CN206657708U - Three-phase reactor, motor drive, power governor and machinery or device - Google Patents
Three-phase reactor, motor drive, power governor and machinery or device Download PDFInfo
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- CN206657708U CN206657708U CN201720101799.2U CN201720101799U CN206657708U CN 206657708 U CN206657708 U CN 206657708U CN 201720101799 U CN201720101799 U CN 201720101799U CN 206657708 U CN206657708 U CN 206657708U
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Abstract
A kind of three-phase reactor, motor drive, power governor and machinery or device are provided.A kind of inductance is provided and is not easy unbalance and magnetic flux to the three-phase reactor of the band gap for leaking less, coiling need not being controlled and the loss caused by leakage magnetic flux can be reduced of outside.Three-phase reactor includes peripheral part iron core and at least three iron-core coils, and at least three iron-core coils are contacted with the inner surface of outer circumference portion iron core or combined with the inner surface.At least three iron-core coils include iron core and are wound in the coil of the iron core, formed with the gap for being capable of magnetic link between the iron-core coil adjacent with an iron-core coil of an iron-core coil at least three iron-core coils.
Description
Technical field
It the utility model is related to the three-phase reactor for possessing iron core portion and coil.
Background technology
Generally, three-phase reactor has three iron cores and is wound in three coils of these iron cores.Japanese Unexamined Patent Publication 2-
A kind of three-phase reactor for three coils for possessing and being set up in parallel is disclosed in No. 203507 publications.In addition, International Publication No.
The central axis that the respective central axis of multiple coils is disclosed in No. 2014/033830 around three-phase reactor configures.In addition, day
A kind of three-phase reactor is disclosed in this JP 2008-177500 publications, the three-phase reactor includes radially arranged more
Individual straight line magnetic core, the link magnetic core for linking these straight line magnetic cores and the coil for being wound in straight line magnetic core and link magnetic core.
Utility model content
Here, the coil midstream in each phase of three-phase reactor leads to three-phase alternating current.Moreover, in prior art (Japan
Unexamined Patent 2-203507 publications) three-phase reactor in, electric current be present and flow through magnetic institute caused by the coil of arbitrary two-phase
The length of the magnetic circuit of the circulation situation different according to the combination of phase.Accordingly, there exist problems with：Even in three-phase reactor
In the case of the three-phase alternating current for the balance that circulated in each phase, it is also different to flow through the magnetic flux density of the iron core of each phase, so as to
Inductance is also unbalance.
In addition, in the three-phase reactor of prior art (Japanese Unexamined Patent Publication 2-203507 publications), existing can not be by respectively
The situation that the iron-core coil of phase symmetrically configures.Therefore, the reason for inductance is unbalance is turned into from magnetic flux caused by iron-core coil.In picture
In the case that so inductance is unbalance in three-phase reactor, even if the preferable input of three-phase alternating current be present, three can not be obtained
The preferable output of cross streams.
In addition, the three of prior art (Japanese Unexamined Patent Publication 2-203507 publications, International Publication No. 2014/033830)
In phase reactor, the size (thickness in gap) in gap depends on the size for the gap part that in the market can obtain.Therefore, certainly
When determining the construction of three-phase reactor, the number of turn of coil, sectional area are restricted by the size of gap part sometimes.In addition, three-phase reactor
The precision of inductance in device is determined according to the precision of the thickness of gap part.In general, the precision of the thickness of gap part
For ± 10% or so, therefore the precision of the inductance in three-phase reactor determines also according to the precision.Although in addition, it can also make
Make the gap part with desired size, but the expense increase that gap part is consumed.
In addition, when assembling three-phase reactor, it is necessary to implement the process for repeatedly assembling the core component of three-phase reactor one by one
The process connected to each other with several core components are made.The problem of being managed accordingly, there exist the size for being difficult to gap.Further, since
Make the thickness of gap part precision improve and manufacturing expense further increases.
In addition, core component is formed typically by multiple stacked steel plates are laminated.Moreover, on three-phase reactor, need
The part for wanting core component to be in contact with each other with core component.Moreover, in order to improve the precision of the part of contact, it is sometimes desirable to by laminated steel
Plate is alternately overlapping, and such operation is extremely cumbersome.
In addition, the three of prior art (Japanese Unexamined Patent Publication 2-203507 publications, International Publication No. 2014/033830)
In phase reactor, there is magnetic field to the air partial compromise around the coil of three-phase reactor in coil exposed in outside
The problem of.Pacemaker may be had an impact for the magnetic field of leakage or the magnetic to being present in around three-phase reactor
Heating.Also, in recent years, exist using the switch motion of higher frequency come the trend of driving amplifier, motor etc., therefore also deposit
Become higher possibility in the frequency of high-frequency noise, be also envisioned that the magnetic field of leakage on influenceing to become big caused by outside.
In addition, the three of prior art (Japanese Unexamined Patent Publication 2-203507 publications, International Publication No. 2014/033830)
In phase reactor, by gap it is close be configured with coil, therefore exist and make to produce vortex damage in coil from the magnetic flux of clearance leakage
Consumption is so that the problem of the loss increase of coil.In order to solve the problem, the side for being set to make construction of the coil away from gap be present
Method, but core becomes big or coil winding diameter and becomes big, the shortcomings that weight, expense increase thus be present.
In addition, being directed to the problem of inductance is unbalance, can be solved by only expanding the gap of central phase.If however, expand
Gap, then magnetic field further leak.
In addition, on construction (Japanese Unexamined Patent Publication 2-203507 publications, International Publication No. 2014/033830) in the past
Reactor, the thermal resistance between coil and core is high, therefore the temperature that coil and core be present easily becomes unbalanced trend.In order to disappear
Except the imbalance of the temperature, also coil is integrally moulded with resin to make coil be close to core sometimes, but cost increasing be present
The problem of big.In addition, in order to suppress, from noise caused by gap, can also to carry out to reduce the design of magnetic flux density or with it is foregoing
The problem of similarly being moulded with resin, but still suffering from cost increase.
As solving the unbalance of foregoing inductance, the leakage in magnetic field caused by the coil that is externally exposed, gap size
The problem of means, there is also the method as Japanese Unexamined Patent Publication 2008-177500 publications.In the method, can not set
Gap is put by supplying electric current to control coiling to obtain inductance, but needs the control of the electric current for controlling traffic organising coiling
Circuit processed, the problem of producing the consumption of unnecessary electric power in control coiling be present.In addition, control coiling is externally exposed, therefore
The problem of there is also being leaked from magnetic field caused by control coiling to surrounding.
The utility model be in view of such situation and complete, its object is to provide a kind of inductance to be not easy unbalance and magnetic
Lead to the three-phase for leaking less, coiling need not being controlled and the band gap of the loss caused by leakage magnetic flux can be reduced of outside
Reactor.
In order to realize foregoing purpose, according to first aspect, there is provided a kind of three-phase reactor, it possesses：Peripheral part iron core；
And at least three iron-core coils, at least three iron-core coil contacted with the inner surface of the peripheral part iron core or with the interior table
Face combines, wherein, at least three iron-core coil includes iron core and is wound in the coil of the iron core, described at least three
Between an iron-core coil in the iron-core coil iron-core coil adjacent with an iron-core coil formed with can magnetic link
Gap.
According to second aspect, in the three-phase reactor of first aspect, the quantity of at least three iron-core coil is 3
Multiple.
According to the third aspect, in the three-phase reactor of first aspect or second aspect, at least three iron-core coils
The iron core include multiple core portions, between the plurality of core portion formed with can magnetic link core portion between
Gap.
According to fourth aspect, in the three-phase reactor of first aspect or second aspect, at least three iron core line
Formed with the peripheral part iron core gap for being capable of magnetic link between the iron core and the peripheral part iron core of circle.
According to the 5th aspect, in the three-phase reactor of first aspect or second aspect, the peripheral part iron core includes more
Individual peripheral part core portion.
According to the 6th aspect, in the three-phase reactor of the 5th aspect, that in the multiple peripheral part core portion
Formed with peripheral part core portion gap between this adjacent peripheral part core portion.
According to the 7th aspect, in the three-phase reactor of first aspect or second aspect, at least three iron-core coils
Symmetrically configure.
According to eighth aspect, in the three-phase reactor of first aspect or second aspect, the three-phase reactor include by
First group formed and second group be made up of other at least three iron-core coils of at least three iron-core coils.
According to the 9th aspect, in the three-phase reactor of eighth aspect, the three-phase reactor with more than three groups by
The group that three iron-core coils are formed.
According to the tenth aspect, in the three-phase reactor of first aspect or second aspect, in the institute of the three-phase reactor
State insertion or gap part or insulating paper or resin filled with nonmagnetic substance in gap.
According to the tenth on the one hand, in the three-phase reactor of first aspect or second aspect, in the three-phase reactor
The inner side of the peripheral part iron core is filled with the gap part or insulating part or resin of nonmagnetic substance.
According to the 12nd aspect, there is provided a kind of three-phase reactor, it possesses：Peripheral part iron core；And at least three iron core
Coil, at least three iron-core coil are contacted with the inner surface of the peripheral part iron core or combined with the inner surface, wherein, it is described
At least three iron-core coils include iron core and are wound in the coil of the iron core, and the three-phase reactor is also equipped with iron core between coil,
Core configuration is between at least three iron-core coil between the coil, between at least three iron-core coil and the coil
Formed with the gap for being capable of magnetic link between iron core.
According to the 13rd aspect, in the three-phase reactor of the 12nd aspect, iron core has at an acute angle between the coil
Two faces, two faces are opposite with the iron-core coil across the gap respectively.
According to fourteenth aspect, in the three-phase reactor of the 12nd aspect or the 13rd aspect, at least three iron
The quantity of core coil is 3 multiple.
According to the 15th aspect, in the three-phase reactor of the 12nd aspect or the 13rd aspect, at least three iron
The iron core of core coil includes multiple core portions, formed with the iron core portion for being capable of magnetic link between the plurality of core portion
Subdivided gap.
According to the 16th aspect, in the three-phase reactor of the 12nd aspect or the 13rd aspect, described at least three
Formed with the peripheral part iron core gap for being capable of magnetic link between the iron core of iron-core coil and the peripheral part iron core.
According to the 17th aspect, in the three-phase reactor of the 12nd aspect or the 13rd aspect, iron core between the coil
Including core portion between multiple coils, formed with being capable of iron core between the coil that links of magnetic between core portion between the plurality of coil
Portion gap.
According to the 18th aspect, in the three-phase reactor of the 12nd aspect or the 13rd aspect, the peripheral part iron core
Including multiple peripheral part core portions.
According to the 19th aspect, in the three-phase reactor of the 18th aspect, in the multiple peripheral part core portion
Peripheral part core portion adjacent to each other between formed with peripheral part core portion gap.
According to the 20th aspect, in the three-phase reactor of the 12nd aspect or the 13rd aspect, three iron core lines
Circle symmetrically configures.
According to the 20th on the one hand, in the three-phase reactor of the 12nd aspect or the 13rd aspect, the three-phase reactor
Device includes first group be made up of three iron-core coils and second group be made up of other three iron-core coils.
According to the 22nd aspect, in the three-phase reactor of the 20th one side, the three-phase reactor has three groups
The group being made up of three iron-core coils above.
According to the 23rd aspect, in the three-phase reactor of the 12nd aspect or the 13rd aspect, in the three-phase electricity
Insertion or gap part or insulating paper or resin filled with nonmagnetic substance in the gap of anti-device.
According to twenty-fourth aspect, in the three-phase reactor of the 12nd aspect or the 13rd aspect, in the three-phase electricity
The inner side of the peripheral part iron core of anti-device is filled with the gap part or insulating part or resin of nonmagnetic substance.
According to the 25th aspect, there is provided a kind of motor drive, it possesses first aspect to twenty-fourth aspect
In either side reactor.
According to the 26th aspect, there is provided a kind of machinery, it possesses the motor drive of the 25th aspect.
According to the 27th aspect, there is provided a kind of power governor, it possesses first aspect into twenty-fourth aspect
The reactor of either side.
According to twenty-eighth aspect, there is provided a kind of machinery or device, it possesses the power governor of the 27th aspect.
The detailed description of shown with reference to the accompanying drawings typical embodiment of the present utility model, it is of the present utility model these
And other objects, features and advantages can further become clear and definite.
Brief description of the drawings
Figure 1A is the top view of the three-phase reactor based on first embodiment of the present utility model.
Figure 1B is the sectional view of the three-phase reactor shown in Figure 1A.
Fig. 1 C are the stereograms of the three-phase reactor shown in Figure 1A.
Fig. 2 is the sectional view of the three-phase reactor based on second embodiment of the present utility model.
Fig. 3 A are the sectional views of the three-phase reactor based on the 3rd embodiment of the present utility model.
Fig. 3 B are the sectional views of other three-phase reactors based on the 3rd embodiment of the present utility model.
Fig. 4 is the sectional view of the three-phase reactor based on the 4th embodiment of the present utility model.
Fig. 5 is the sectional view of the three-phase reactor based on the 5th embodiment of the present utility model.
Fig. 6 is the sectional view of the three-phase reactor based on the 6th embodiment of the present utility model.
Fig. 7 is the sectional view of the three-phase reactor based on the 7th embodiment of the present utility model.
Fig. 8 is the sectional view of the three-phase reactor based on the 8th embodiment of the present utility model.
Fig. 9 is the sectional view of the three-phase reactor based on the 9th embodiment of the present utility model.
Figure 10 is the sectional view of the three-phase reactor based on the tenth embodiment of the present utility model.
Figure 11 is the sectional view of the three-phase reactor based on embodiment of the present utility model.
Figure 12 is the top view of the three-phase reactor based on other embodiments of the present utility model.
Figure 13 A are the top views of three-phase reactor of the prior art.
Figure 13 B are the figures for the magnetic flux for representing the three-phase reactor shown in Figure 13 A.
Figure 13 C are Figure 13 B partial enlarged drawings.
Figure 14 A are the sectional views of the three-phase reactor based on the 11st embodiment of the present utility model.
Figure 14 B are the stereograms of the three-phase reactor shown in Figure 14 A.
Figure 14 C are the figures for the magnetic flux for representing the three-phase reactor shown in Figure 14 A.
Figure 14 D are Figure 14 C partial enlarged drawings.
Figure 15 A are the figures for the variation for representing the 11st embodiment of the present utility model.
Figure 15 B are the figures for the other variations for representing the 11st embodiment of the present utility model.
Figure 15 C are the figures for another other variations for representing the 11st embodiment of the present utility model.
Figure 16 A are the sectional views of the three-phase reactor based on the 12nd embodiment of the present utility model.
Figure 16 B are the figures for the magnetic flux for representing the three-phase reactor shown in Figure 16 A.
Figure 16 C are Figure 16 B partial enlarged drawings.
Figure 17 is the sectional view of the three-phase reactor based on the 13rd embodiment of the present utility model.
Figure 18 A are the sectional views of the three-phase reactor based on the 14th embodiment of the present utility model.
Figure 18 B are the sectional views of other three-phase reactors based on the 14th embodiment of the present utility model.
Figure 18 C are the sectional views of another other three-phase reactors based on the 14th embodiment of the present utility model.
Figure 19 is the sectional view of the three-phase reactor based on the 15th embodiment of the present utility model.
Figure 20 is the sectional view of the three-phase reactor based on the 16th embodiment of the present utility model.
Figure 21 is the sectional view of the three-phase reactor based on the 17th embodiment of the present utility model.
Figure 22 is the sectional view of the three-phase reactor based on the 18th embodiment of the present utility model.
Figure 23 is the sectional view of the three-phase reactor based on the 19th embodiment of the present utility model.
Figure 24 A are the sectional views of the three-phase reactor based on another other embodiments of the present utility model.
Figure 24 B are the sectional views of other three-phase reactors based on another other embodiments of the present utility model.
Figure 25 is the sectional view of the three-phase reactor based on another other embodiments of the present utility model.
Figure 26 is to represent to include the machinery of three-phase reactor of the present utility model or the figure of device.
Figure 27 is to represent to include the others machinery of three-phase reactor of the present utility model or the figure of device.
Embodiment
Hereinafter, it is explained with reference to embodiment of the present utility model.In figures in the following, to identical component mark
Note identical reference.In order to be readily appreciated that, engineer's scale is suitably changed to these accompanying drawings.
Figure 1A is the top view of the three-phase reactor based on first embodiment of the present utility model.Also, Figure 1B is figure
The sectional view of three-phase reactor shown in 1A, Fig. 1 C are the stereograms of the three-phase reactor shown in Figure 1A.
As shown in Figure 1A, Figure 1B and Fig. 1 C, three-phase reactor 5 include peripheral part iron core 20 and with peripheral part iron core 20
Three iron-core coils 31~33 that magnetic links each other.In figure ia, it is cored in the inner side configuration of the peripheral part iron core 20 of ring-type
Coil 31~33.These iron-core coils 31~33 equally spaced configure in the circumference of three-phase reactor 5.
Understand with reference to the accompanying drawings, each iron-core coil 31~33 includes the iron core 41~43 radially extended and is wound in the iron core
Coil 51~53.The radial outside end of each iron core 41~43 contacted with peripheral part iron core 20 or with the shape of peripheral part iron core 20
It is integrally formed.
Also, the radially inner side end of each iron core 41~43 is located at the immediate vicinity of peripheral part iron core 20.In Figure 1A etc.,
The radially inner side end of each iron core 41~43 is restrained towards the center of peripheral part iron core 20, and its top angle is about 120 degree.And
And the radially inner side end of iron core 41~43 separates each other across the gap 101~103 for being capable of magnetic link.
In other words, in the first embodiment, the radially inner side end of iron core 41 and adjacent two iron cores 42,43 are respective
Radially inner side end separated each other across gap 101,102.Other iron cores 42,43 are also identical.In addition, set gap 101
~103 size is equal.In addition, in embodiment described later, the diagram in gap 101~103 is omitted sometimes.
So, in the utility model, it is not necessary to positioned at the central part iron core of the central part of three-phase reactor 5, therefore energy
Enough light weights and simply composition three-phase reactor 5.Also, three iron-core coils 31~33 are surrounded by peripheral part iron core 20, because
This will not also leak into the outside of peripheral part iron core 20 from magnetic field caused by coil 51~53.In addition, can be with arbitrary thickness
Gap 101~103 is set at low cost, therefore is favourable in design compared with the reactor constructed in the past.
Also, in three-phase reactor 5 of the present utility model, compared with the reactor constructed in the past, the magnetic between phase
The difference of road length is small.Therefore, in the utility model, additionally it is possible to mitigate the unbalance of the inductance as caused by the difference of the length of magnetic path.
Fig. 2 is the sectional view of the three-phase reactor based on second embodiment of the present utility model.Three-phase electricity shown in Fig. 2
Anti- device 5 include peripheral part iron core 20 and with peripheral part iron core 20 each other magnetic link, with foregoing iron-core coil identical iron
Core coil 31~36.Each iron-core coil 31~36 includes the iron core 41~46 radially extended and the coil 51 for being wound in the iron core
~56.
The top angle of the radially inner side end of each iron core 41~46 of three-phase reactor 5 shown in Fig. 2 is about 60 degree.And
And the radially inner side end of iron core 41~46 separates each other across the gap 101~106 for being capable of magnetic link.So, three-phase electricity
Anti- device 5 can also include the iron-core coil 31~36 for the multiple that quantity is 3.
Obviously, the effect being substantially the same with foregoing effect can be also obtained in this second embodiment.Also, second
In embodiment, if the quantity of iron-core coil 31~36 is 3 multiple, therefore multiple iron-core coils be present for a phase.And
And by the way that multiple iron-core coils are connected in parallel with each other, the sectional area of the coil of each iron-core coil can be reduced.
Fig. 3 A are the sectional views of the three-phase reactor based on the 3rd embodiment of the present utility model.Three-phase shown in Fig. 3 A
The iron core 41~43 radially extended along iron-core coil 31~33 in reactor 5 includes the first iron positioned at radially inner side respectively
Core segment 41a~43a and second core portion 41b~43b positioned at radial outside.In these first core portions 41a~43a
Formed with the core portion gap 111~113 for being capable of magnetic link between second core portion 41b~43b.Also, three-phase electricity
Anti- device 5 include being wound in first core portion 41a~43a and second core portion 41b~43b shared coil 51~
53。
Also, Fig. 3 B are the sectional views of other three-phase reactors based on the 3rd embodiment of the present utility model.Edge
Each iron core 41~43 radially extended of iron-core coil 31~33 includes first core portion 41a~43a positioned at radially inner side
With second core portion 41b~43b positioned at radial outside.In these the first core portion 41a~43a and the second core portion
Formed with the core portion gap 111~113 for being capable of magnetic link between 41b~43b.Also, three-phase reactor 5 includes being wound in
First core portion 41a~43a first coil 51a~53a and the second coil for being wound in second core portion 41b~43b
51b~53b.
In other words, in the embodiment shown in Fig. 3 A and Fig. 3 B, each iron core 41~43 includes be configured to a row two
Core portion.Moreover, each iron-core coil 31~33 is included in the core portion gap 111~113 formed between core portion.
In the embodiment shown in Fig. 3 A and Fig. 3 B, core portion gap is also formed with addition to gap 101~103
111~113, therefore the size in the gap included in iron-core coil 31~33 and core portion gap can be reduced.Further, it is possible to
Reduce leakage of the magnetic flux from gap 101~103 and core portion gap 111~113.In addition, in the nature of things, each iron core 41~
43 can also include being configured to the core portion of more than three of a row.
Fig. 4 is the sectional view of the three-phase reactor based on the 4th embodiment of the present utility model.Three-phase electricity shown in Fig. 4
The iron-core coil 31~33 of anti-device 5 includes the iron core 41'~43' radially extended and the coil 51~53 for being wound in the iron core.
In the same manner as foregoing embodiment, each iron core 41'~43' radially inner side end across gap 101~103 and each other phase
It is adjacent.
In the 4th embodiment, shape is distinguished between iron core 41'~43' radial outside end and peripheral part iron core 20
Into have be capable of magnetic link peripheral part iron core gap 121~123.When three-phase reactor 5 is acted, iron-core coil 31~33
It is middle to produce heat.In the 4th embodiment, formed with peripheral part iron core gap 121~123, therefore with from iron-core coil 31~
Heat caused by 33 is difficult to the effect transmitted to peripheral part iron core 20.
Fig. 5 is the sectional view of the three-phase reactor based on the 5th embodiment of the present utility model.Three-phase electricity shown in Fig. 5
The iron-core coil that the iron-core coil 31~33 of anti-device 5 illustrates with reference picture 1 is substantially the same.In the 5th embodiment, peripheral part
Iron core 20 includes multiple, such as three arc-shapeds peripheral part core portion 21~23.In Figure 5, peripheral part core portion 21
Contact or be integrally constituted with iron core 41.Similarly, peripheral part core portion 22,23 is contacted or formed with iron core 42,43 respectively
It is integrated.In the embodiment shown in Fig. 5, in the case that peripheral part iron core 20 is large-scale, also can easily it manufacture
Such peripheral part iron core 20.
Fig. 6 is the sectional view of the three-phase reactor based on the 6th embodiment of the present utility model.In the 6th embodiment
In, between peripheral part core portion 21 and peripheral part core portion 22 formed with can magnetic link peripheral part core portion between
Gap 61.Similarly, between peripheral part core portion 22 and peripheral part core portion 23 and peripheral part core portion 23 with it is outer
The peripheral part core portion gap 62,63 for being capable of magnetic link is respectively formed between all portion's core portions 21.
In other words, each peripheral part core portion 21~23 configures across peripheral part core portion gap 61~63 each other.
Under such circumstances, by adjusting the length of peripheral part core portion 21~23, peripheral part core portion gap 61 can be adjusted
~63.Understand, the result is that the unbalance of the inductance of three-phase reactor 5 can be adjusted.
Three-phase reactor 5 shown in Fig. 6 is only with shown in this point of peripheral part core portion gap 61~63 and Fig. 5
Three-phase reactor 5 is different.In other words, in the 5th embodiment, the non-shape between adjacent peripheral part core portion 21~23
Into peripheral part core portion gap 61~63.It is large-scale even in peripheral part iron core 20 in the embodiment shown in Fig. 5 and Fig. 6
In the case of, it also can easily manufacture such peripheral part iron core 20.
Fig. 7 is the sectional view of the three-phase reactor based on the 7th embodiment of the present utility model.Three-phase electricity shown in Fig. 7
Three-phase reactor 5 shown in anti-device 5 and Fig. 2 is substantially the same, therefore omits detailed description.In the figure 7, each iron-core coil 31~
36 iron core 41~46, coil 51~56 and gap 101~106 it is equal sized.
In addition, iron-core coil 31~36 symmetrically configures in three-phase reactor 5.Thus, it can be known that shown in Fig. 7
In three-phase reactor 5, the unbalance minimum of the inductance as caused by the configuration of six iron-core coils 31~36 can be made.On the feelings
Condition is also identical in the embodiment shown in the Fig. 1 for possessing three iron-core coils 31~33.
Also, Fig. 8 is the sectional view of the three-phase reactor based on the 8th embodiment of the present utility model.Shown in Fig. 8
Three-phase reactor 5 shown in three-phase reactor 5 and Fig. 7 is substantially the same.However, the iron core 41 of three-phase reactor 5 shown in Fig. 8,
43rd, 45 width is bigger than the width of remaining iron core 42,44,46.Also, it is wound in the coil 51,53,55 of iron core 41,43,45
Coil 52,54,56 of the sectional area than being wound in remaining iron core 42,44,46 sectional area it is small.
In other words, the three-phase reactor 5 shown in Fig. 8 include first group be made up of three iron-core coils 31,33,35 and by
Second group of other three iron-core coils 32,34,36 compositions.First group and second group respectively include six iron-core coils 31~
Three iron-core coils every an iron-core coil configuration in 36.Moreover, in first group and second group of each group, iron core line
Circle symmetrically configures.
In the three-phase reactor 5 shown in Fig. 8, section of the size of iron core and coil between first group and second group is located at
Area and the number of turn are different.In addition it is also possible to set the size in first group of gap of three-phase reactor 5 and second group of gap
Size it is different.
In the embodiment shown in Fig. 8, two different reactance of characteristic are actually included in a three-phase reactor 5
Device.In addition, in the embodiment shown in figure, a three-phase reactor 5 includes two reactors of characteristic identical.In Fig. 7 and
In embodiment shown in Fig. 8, make including two reactors that characteristic is identical or different in a reactor, therefore can reduce
Installation space.In addition we know, by the way that two reactors are connected in serial or parallel with each other, inductance value can be adjusted.In addition, also may be used
To be, make in a three-phase reactor 5 including characteristic is different or reactor, i.e. three of characteristic identical more than three more than
Foregoing group.Obviously, identical effect can be also obtained in this case.
Fig. 9 is the sectional view of the three-phase reactor based on the 9th embodiment of the present utility model.Three-phase electricity shown in Fig. 9
The three-phase reactor 5 that anti-device 5 illustrates with reference picture 1A is substantially the same, therefore omits explanation again.As shown in figure 9, in three-phase
The gap part 71 of resin-made is filled with the gap 101~103 of reactor 5.
In this case, by the way that resin only is filled in into gap 101~103 and is allowed to solidification gap part can be made
71.Therefore, it is possible to easily make gap part 71.In addition it is also possible to it is pre-production and the gap part identical shown in Fig. 9
The substantially gap part 71 of Y-shaped shape, the gap part 71 is inserted into gap 101~103, to replace potting resin.So
In the case of, gap part 71 suppresses the vibration of the iron core contacted with gap 101~103, therefore can reduce from caused by iron core
Noise.
Also, Figure 10 is the sectional view of the three-phase reactor based on the tenth embodiment of the present utility model.Shown in Figure 10
The three-phase reactor 5 that illustrates with reference picture 1A of three-phase reactor 5 be substantially the same, therefore omit explanation again.Such as Figure 10 institutes
Show, the inside of the peripheral part iron core 20 of three-phase reactor 5 is filled by the insulating part 72 of resin-made.
In this case and, by being only filled in the inside of peripheral part iron core 20 by resin and being allowed to solidification and can hold
Change places and make insulating part 72.In this case, insulating part 72 suppresses iron-core coil 31~33, peripheral part iron core 20 shakes
It is dynamic, thus, it is possible to reduce caused noise.Also, in the embodiment shown in Figure 10, additionally it is possible to promote iron-core coil 31~
Equalized temperature between 33 and peripheral part iron core 20.
Figure 11 is the sectional view of the three-phase reactor based on embodiment of the present utility model.Also, Figure 12 is to be based on this reality
With the top view of the three-phase reactor of new embodiment.Three-phase reactor 5 shown in Figure 11 and Figure 12 includes substantially hexagon
Peripheral part iron core 20.The peripheral part iron core 20 includes three peripheral part core portions 24~26.Each peripheral part core portion 24
~26 contact or are formed with iron core 41~43 and are integrated.As illustrated, peripheral part core portion 24~26 is only by straight section
Formed.
As is illustrated by figs. 11 and 12, as long as peripheral part iron core 20 surrounds the shape of iron-core coil 31~33, it is not required to
It to be ring-type.In addition, even if peripheral part iron core 20 is the other shapes beyond hexagon, model of the present utility model is also contained in
Enclose.In addition, several embodiments in foregoing embodiment are combined as being aobvious to those skilled in the art
And it is clear to.
Also, Figure 13 A are the top views with Fig. 3 A identical three-phase reactors.In figure 13a, three of three-phase reactor
Iron-core coil 31~33 is formed by iron core 41~43 and coil 51~53 respectively, is formed between adjacent iron-core coil 31~33
There is the gap 101~103 for being capable of magnetic link.Also, iron core 41~43 respectively include multiple core portion 41a, 41b, 42a,
42b, 43a, 43b, formed with the core portion gap 111~113 for being capable of magnetic link between core portion.
Also, Figure 13 B are the figures for the magnetic flux for representing the three-phase reactor shown in Figure 13 A.As shown in Figure 13 B, exist from iron
The problem of leakage magnetic flux near core subdivided gap 111~113 runs through neighbouring coil 51~53 and makes coil produce eddy-current loss.
Also, Figure 13 C are Figure 13 B partial enlarged drawings.As shown in fig. 13 c, the portion near the radial outside of coil 52,53
Magnetic flux density B at position PD, PE is 0.001T, than relatively low.On the other hand, between adjacent core portion 42a, 43a
Magnetic flux density B at the position PA of gap is more than 0.08T.Moreover, the magnetic at position PB, the PC in core portion gap 112,113
Flux density B is also more than 0.08T, higher.In such opening position, coil is set to produce eddy-current loss as described above.
Figure 14 A are the sectional views of the three-phase reactor based on the 11st embodiment of the present utility model.Also, Figure 14 B
It is the stereogram of the three-phase reactor shown in Figure 14 A.
As shown in figs. 14 a and 14b, three-phase reactor 5 includes peripheral part iron core 20 and contacted with peripheral part iron core 20
Or three iron-core coils 31~33 combined with the inner surface of peripheral part iron core 20.In Figure 14 A, in the peripheral part of hexagon shape
The inner side of iron core 20 is configured with iron-core coil 31~33.Circumference first-class of these iron-core coils 31~33 in three-phase reactor 5
Configured every ground, three-phase reactor 5 is rotational symmetry.In addition, peripheral part iron core 20 can also be other polygon-shaped or ring-type.
Understand with reference to the accompanying drawings, each iron-core coil 31~33 includes the iron core 41~43 radially extended and is wound in the iron core
Coil 51~53.The radial outside end of each iron core 41~43 contacts with peripheral part iron core 20, but can also be with peripheral part iron
Core 20 is formed and is integrated.
Also, the radially inner side end of each iron core 41~43 is located at the immediate vicinity of peripheral part iron core 20.In Figure 14 A etc.
In, the radially inner side end of each iron core 41~43 is restrained towards the center of peripheral part iron core 20, and its top angle is about 120
Degree.
Moreover, in Figure 14 A, iron core 81~83 between three coils is configured between iron-core coil 31~33.Specifically
Say, the configuration of iron core 81~83 is near the radially inner side end of the iron core 41~43 of iron-core coil 31~33 between coil.Scheming
In 14A, iron core 81~83 is mutually the same shape between coil.Moreover, between coil iron core 81~83 section for two sides that
This parallel pentagon.
Also, formed with the gap 101 for being capable of magnetic link between iron core 81 and iron core 41,42 between coil.Similarly, exist
Formed with the gap 102 for being capable of magnetic link between iron core 82 and iron core 42,43 between coil.Between coil iron core 83 and iron core 43,
Formed with the gap 103 for being capable of magnetic link between 41.In addition, set the equal sized of gap 101~103.In addition, in reality described later
Apply in mode, omit the diagram in gap 101~103 sometimes.
In addition, Figure 14 C are the figures for the magnetic flux for representing the three-phase reactor shown in Figure 14 A.Figure 14 C and Figure 13 B are compared
Relatively know can, in the utility model, the leakage magnetic flux leaked near gap 101~103 is weaker, thus less run through near
Coil 51~53.Accordingly, it is difficult to coil is set to produce eddy-current loss.
Also, Figure 14 D are Figure 14 C partial enlarged drawings.Position P1, the P2 in the gap 102 of the both sides of iron core 82 between coil
The magnetic flux density B at place is more than 0.08T, higher.On the other hand, position P3, P4 near the radial outside of coil 52,53
The magnetic flux density B at place is 0.001T, than relatively low.
However, in Figure 14 D, position that magnetic flux density B is more than 0.08T is only the gap of the both sides of iron core 82 between coil
102 position P1, P2.Therefore, it is few from the position of the neighbouring leakage magnetic flux in gap 102 to Figure 14 D compared with Figure 13 C, thus
It may be said that less run through neighbouring coil 52.That is, formed with gap 102 between iron core 82 between iron core 42,43 and coil, because
The magnetic flux of this leakage is weak, being capable of caused eddy-current loss in suppression coil 52,53.Other gaps 101,103 also have identical
Effect.
Figure 15 A~Figure 15 C are the figures for the variation for representing the 11st embodiment of the present utility model, are and Figure 14 A phases
Same figure.In Figure 15 A, the rectangular cross-section of iron core 81~83 between coil, formed with opening between iron core 81~83 between coil
Oral area 60.In this case, gap 101~103 is identical with foregoing gap.
Also, in the structure shown in Figure 15 B, add at the opening portion 60 and be configured with iron core between the coil of equilateral triangle
84.Between additional coil between iron core 84 and coil between iron core 81~83 formed with the identical gap of gap 101~103.
Also, iron core 80 between single coil in figure 15 c, is configured between iron-core coil 31~33.As illustrated,
Formed with foregoing gap 101~103 between iron core 80 and iron core 41~43 between coil.So, even in changing coil
Between iron core 81 quantity in the case of, gap 101~103 is also as hereinbefore, therefore can obtain identical effect.
Figure 16 A are the sectional views of the three-phase reactor based on the 12nd embodiment of the present utility model.In Figure 16 A,
The top angle of the radially inner side end of each iron core 41~43 is about 90 degree.As a result, between coil iron core 81~83 section
For isosceles triangle shape.That is, iron core 81~83 has two faces at an acute angle between coil.Moreover, in the two faces
Each formed with the gap 101~103 for being capable of magnetic link between face and iron-core coil iron core 41~43.
Figure 16 B are the figures for the magnetic flux for representing the three-phase reactor shown in Figure 16 A.Can compared with Figure 13 B to Figure 16 B
Know, it is few from the position of the neighbouring leakage magnetic flux in gap 101~103 in the utility model, thus less run through neighbouring coil
51~53.Accordingly, it is difficult to coil is set to produce eddy-current loss.
Also, Figure 16 C are Figure 16 B partial enlarged drawings.Position P1, the P2 in the gap 102 of the both sides of iron core 82 between coil
The magnetic flux density B at place is more than 0.08T, higher.On the other hand, position P3, P4 near the radial outside of coil 52,53
The magnetic flux density B at place is 0.001T, than relatively low.Moreover, in Figure 16 C, the position that magnetic flux density B is more than 0.08T is only wired
Position P1, the P2 in the gap 102 of the both sides of iron core 82 between circle.Therefore, in the 12nd embodiment, can also obtain with it is foregoing
Identical effect.
Also, in the 12nd embodiment, the section of iron core 81~83 is isosceles triangle between coil, therefore compared to
The situation of 11st embodiment, the area in gap 101~103 are big.Thus, it can be known that the ratio the 11st in the 12nd embodiment
Embodiment is more effective.In addition it is possible between suppression coil iron core 81~83 quantity.
Also, Figure 17 is the sectional view of the three-phase reactor based on the 13rd embodiment of the present utility model.Figure 17 institutes
The three-phase reactor 5 shown include peripheral part iron core 20 and with foregoing iron-core coil identical iron-core coil 31~36.Each iron
Core coil 31~36 includes the iron core 41~46 radially extended and the coil 51~56 for being wound in the iron core.
The top angle of the radially inner side end of each iron core 41~46 of three-phase reactor 5 shown in Figure 17 is about 60 degree.
In fig. 17, iron core 81~86 is mutually the same shape between coil.Moreover, the section of iron core 81~86 is two sides between coil
Pentagon parallel to each other.In the same manner as foregoing, formed with being capable of magnetic between iron core 81~86 and iron core 41~46 between coil
The gap 101~106 (not shown) of link.So, three-phase reactor 5 can also include the iron-core coil for the multiple that quantity is 3
31~36.
Obviously, can also be obtained in the 13rd embodiment and the foregoing effect being substantially the same.It is also, real the 13rd
Apply in mode, if the quantity of iron-core coil 31~36 is 3 multiple, therefore multiple iron-core coils be present for a phase.Moreover,
By the way that multiple iron-core coils are connected in parallel with each other, the sectional area of the coil of each iron-core coil can be reduced.
Figure 18 A are the sectional views of the three-phase reactor based on the 14th embodiment of the present utility model.Shown in Figure 18 A
Iron core 81~83 includes iron between core portion 81a~83a and the second coil between first coil between each coil in three-phase reactor 5
Core segment 81b~83b.Core portion 81b is parallelly disposed with respect to one another between core portion 81a and the second coil between first coil.It is other
First coil between core portion 82a, 83a and other second coil core portion 82b, 83b it is also identical.
Also, formed between first coil between core portion 81a~83a and the second coil between core portion 81b~83b
Have can magnetic link coil between core portion gap 111~113.In addition, it is located at core portion 81a and iron core between first coil
(do not show in Figure 18 A etc. formed with foregoing gap 101 between 41 and between the second coil between core portion 81b and iron core 42
Go out).If similarly formed with other gaps 102,103.
Also, Figure 18 B are the sectional views of other three-phase reactors based on the 14th embodiment of the present utility model.
And, iron core 81~83 includes core portion 81a~83a between the first coil that is parallelly disposed with respect to one another between each coil in this case
And the second core portion 81b~83b between coil.Core portion 82a, 83a and other second coils between other first coils
Between core portion 82b, 83b it is also identical.Also, similarly formed with can magnetic link coil between core portion gap 111
~113 and foregoing gap 101~103.
In other words, the structure shown in Figure 18 A be by iron core 81~83 between the coil shown in Figure 14 A with gap 101~103
Obtained from parallel face is divided into two.Also, the structure shown in Figure 18 B is by iron core 81~83 between the coil shown in Figure 16 A
Obtained from being divided into two.Moreover, between coil iron core 81~83 include being formed at respectively between coil core portion 81a~83a with
Core portion gap 111~113 between coil between 81b~83b.
Also, Figure 18 C are cutting for another other three-phase reactors based on the 14th embodiment of the present utility model
Face figure.Structure shown in Figure 18 C is that the fore-end of the iron core 41~43 in the structure shown in Figure 18 B is replaced into iron between coil
Obtained from core 81c~83c.Thus, core portion 81a~83a, between the structure shown in Figure 18 C includes first coil
Core portion 81c~83c between core portion 81b~83b and tertiary coil between two coil.
It can be seen from Figure 18 C, core portion 81b~83b between core portion 81a~83a and the second coil between first coil
It is the shape being mutually symmetrical.However, between tertiary coil core portion 81c~83c be between first coil core portion 81a~
Isosceles triangle different core portion 81b~83b between 83a and the second coil.Also, core portion 81c between tertiary coil~
Core portion and iron core 41~43 do not contact 83c between adjacent other coils, and formed with gap.
So, in the 14th embodiment, formed with core portion gap 111 between gap 101~103 and coil~
113 this two side, therefore the size in the gap of everywhere can be reduced.By in such manner, it is possible to reduce the magnetic flux from clearance leakage, because
This can further reduce the eddy-current loss as caused by leakage magnetic flux in coil.Certainly, iron core 81~83 also may be used between each coil
To be made up of core portion between more than three that are configured to row coils.
Figure 19 is the sectional view of the three-phase reactor based on the 15th embodiment of the present utility model.Three shown in Figure 19
The iron-core coil 31~33 of phase reactor 5 is substantially the same with the reference picture 14A iron-core coils illustrated.In the 15th embodiment
In, peripheral part iron core 20 includes multiple, such as three peripheral part core portions 21~23.Peripheral part core portion 21~23 is distinguished
Including iron core 41~43.In Figure 19, peripheral part core portion 21~23 is in contact with each other.In the embodiment shown in Figure 19,
In the case that peripheral part iron core 20 is large-scale, such peripheral part iron core 20 also can be easily manufactured.In addition, in Figure 17
In shown embodiment, peripheral part iron core 20 includes multiple peripheral part core portions 21~26.
Figure 20 is the sectional view of the three-phase reactor based on the 16th embodiment of the present utility model.Implement the 16th
In mode, formed with the peripheral part iron core portion for being capable of magnetic link between peripheral part core portion 21 and peripheral part core portion 22
Subdivided gap 21a.Similarly, between peripheral part core portion 22 and peripheral part core portion 23 and peripheral part core portion 23
Peripheral part core portion gap 21b, the 21c for being capable of magnetic link are respectively formed between peripheral part core portion 21.
In other words, each peripheral part core portion 21~23 is matched somebody with somebody across peripheral part core portion gap 21a~21c each other
Put.In this case, by adjusting the length of peripheral part core portion 21~23, can adjust between peripheral part core portion
Gap 21a~21c.Understand, the result is that the unbalance of the inductance of three-phase reactor 5 can be adjusted.
Three-phase reactor 5 shown in Figure 20 is only with peripheral part core portion gap 21a~21c this point and Figure 19 institutes
The three-phase reactor 5 shown is different.In other words, in the 15th embodiment, adjacent peripheral part core portion 21~23 it
Between do not form peripheral part core portion gap 21a~21c.In the embodiment shown in Figure 19 and Figure 20, even in peripheral part
In the case that iron core 20 is large-scale, such peripheral part iron core 20 also can be easily manufactured.
Figure 21 is the sectional view of the three-phase reactor based on the 17th embodiment of the present utility model.Three shown in Figure 21
Three-phase reactor 5 shown in phase reactor 5 and Fig. 4 is substantially the same.However, the iron core 41 of three-phase reactor 5 shown in Figure 21,
43rd, 45 width is bigger than the width of remaining iron core 42,44,46.Also, it is wound in the coil 51,53,55 of iron core 41,43,45
Coil 52,54,56 of the sectional area than being wound in remaining iron core 42,44,46 sectional area it is small.
In other words, the three-phase reactor 5 shown in Figure 21 include first group be made up of three iron-core coils 31,33,35 and
Second group be made up of other three iron-core coils 32,34,36.First group and second group includes six iron-core coils 31 respectively
Three iron-core coils every an iron-core coil configuration in~36.Moreover, in first group and second group of each group, iron core
Coil symmetrically configures.
In the three-phase reactor 5 shown in Figure 21, the size of iron core between first group and second group and coil are located at
Sectional area and the number of turn are different.In addition it is also possible to set between the size in first group of gap of three-phase reactor 5 and second group
The size of gap is different.
In the embodiment shown in Figure 21, make to substantially comprise two different electricity of characteristic in a three-phase reactor 5
Anti- device.In addition, in the embodiment shown in Figure 17, a three-phase reactor 5 is set to include two reactors of characteristic identical.
In embodiment shown in Figure 17 and Figure 21, make to include two identical or different reactors of characteristic in a reactor, therefore
Installation space can be reduced.In addition we know, by the way that two reactors are connected in serial or parallel with each other, inductance value can be adjusted.
Alternatively, it is also possible to make in a three-phase reactor 5 including characteristic is different or reactor, i.e. three of characteristic identical more than three
Foregoing group above.Obviously, identical effect can be also obtained in this case.
Figure 22 is the sectional view of the three-phase reactor based on the 18th embodiment of the present utility model.Three shown in Figure 22
The three-phase reactor 5 that phase reactor 5 illustrates with reference picture 14A is substantially the same, therefore omits explanation again.As shown in figure 22,
The gap part 71 of resin-made is filled with the gap 101~103 of three-phase reactor 5.
In this case, by only filling resin to gap 101~103 and being allowed to solidification gap part can be made
71.Therefore, it is possible to easily make gap part 71.In addition it is also possible to pre-production shape and the shape of the gap part shown in Figure 22
Shape identical gap part 71, the gap part 71 is inserted into gap 101~103, to replace potting resin.In such situation
Under, gap part 71 suppresses the vibration of iron core 81~83 between the iron core and coil that are contacted with gap 101~103, therefore can reduce
From noise caused by iron core.In addition, gap part 71 can also be insulating part.
Also, Figure 23 is the sectional view of the three-phase reactor based on the 19th embodiment of the present utility model.Figure 23 institutes
The three-phase reactor 5 that the three-phase reactor 5 shown illustrates with reference picture 14A is substantially the same, therefore omits explanation again.Such as Figure 23
Shown, the inside of the peripheral part iron core 20 of three-phase reactor 5 is filled by the insulating part 72 of resin-made.In addition, insulating part 72 also may be used
To be gap part.
In this case and, by being only filled into the inside of peripheral part iron core 20 by resin and being allowed to solidification and can hold
Change places and make insulating part 72.In this case, insulating part 72 suppresses iron-core coil 31~33, peripheral part iron core 20, coil
Between iron core 81~83 vibration, thus, it is possible to reduce caused noise.Also, in the embodiment shown in Figure 23, additionally it is possible to
Promote the equalized temperature between iron core 81~83 between iron-core coil 31~33, peripheral part iron core 20, coil.
Figure 24 A and Figure 24 B are the sectional views of the three-phase reactor based on another other embodiments of the present utility model.
Figure 24 A and Figure 24 B are the figures being substantially the same with Fig. 3 A and Fig. 3 B, therefore omit the local explanation repeated.Other accompanying drawings
It is identical.
In Figure 24 A and Figure 24 B, iron core between three coils is configured between the iron core 41~43 of iron-core coil 31~33
81~83.Specifically, iron core 81~83 is configured near the radially inner side end of iron core 41~43 between coil.Also,
Formed with the gap 101 for being capable of magnetic link between iron core 81 and iron core 41,42 between coil.Iron core 82,83 between other coils
It is identical.
In this case, due to formed with gap 101~103 and this two side of core portion gap 111~113, because
This can reduce the size in the gap of everywhere.Understand, by can so reduce the magnetic flux from clearance leakage, therefore can subtract
Few eddy-current loss as caused by leakage magnetic flux in coil.
Also, Figure 25 is based on another other embodiments of the present utility model and Fig. 4 identical three-phase reactors
Sectional view.The iron-core coil 31~33 of three-phase reactor 5 shown in Figure 25 include iron core 41'~43' for radially extending and
It is wound in the coil 51~53 of the iron core.Moreover, iron core 81~83 between three coils is configured between iron core 41'~43'.And
And between coil between iron core 81 and iron core 41', 42' formed be capable of magnetic link gap 101.Iron core between other coils
82nd, 83 is also identical.
In this case, due to formed with gap 101~103 and peripheral part iron core gap 121~123 this two side,
Therefore the size in the gap of everywhere can be reduced.Further, it is possible to obtain being difficult to peripheral part iron from heat caused by iron-core coil
The effect of core transmission.
Figure 26 is to represent to include the machinery of three-phase reactor of the present utility model or the figure of device.In fig. 26, three-phase electricity
Anti- device 5 is used in motor drive.Moreover, machinery or device include such motor drive.
Figure 27 is to represent to include the others machinery of three-phase reactor of the present utility model or the figure of device.In figure 27,
Three-phase reactor 5 is equipped on power governor.Moreover, machinery or device include such power governor.
Understand, motor drive including three-phase reactor 5 etc. can be easily provided in this case.Separately
Outside, the mode that several embodiments in foregoing embodiment are combined as also is contained in model of the present utility model
Enclose.
The effect of utility model
In a first aspect, compared to the reactor constructed in the past, the difference of the length of magnetic path between phase diminishes, therefore can subtract
Gently the inductance as caused by the difference of the length of magnetic path is unbalance.Also, at least three iron-core coils is most of by peripheral part iron core institute
Surround, therefore can reduce from leakage magnetic field caused by coil to the ratio of the outside of peripheral part iron core.In addition, can with it is low into
The gap of the arbitrary thickness of this setting, therefore be favourable in design compared to the reactor constructed in the past.Also, due to being
Set gap to obtain the construction of inductance, therefore coiling need not be controlled, therefore light weight and can simply form three-phase reactor
Device.
In second aspect, if the quantity of iron-core coil is 3 multiple, therefore multiple iron-core coils be present for a phase.
Moreover, by the way that multiple iron-core coils are connected in parallel with each other, the sectional area of the coil of each iron-core coil can be reduced.It is in addition, logical
Cross and be serially connected multiple iron-core coils, the number of turn of the coil of each iron-core coil can be reduced.
In the third aspect, formed with the core portion gap between the gap between iron-core coil and multiple core portions this
Two sides, therefore the size in the gap of everywhere can be reduced.By in such manner, it is possible to reduce the magnetic flux from clearance leakage, therefore energy
Enough reduce the eddy-current loss as caused by leakage magnetic flux in coil.
In fourth aspect, formed with peripheral part iron core gap between peripheral part iron core and iron-core coil, therefore from iron core
Heat caused by coil is difficult to peripheral part iron core transmission.
At the 5th aspect, peripheral part iron core is divided into it is multiple, therefore in the case that peripheral part iron core is large-scale,
Peripheral part iron core can easily be manufactured.
At the 6th aspect, by adjusting peripheral part core portion gap, the unbalance of inductance can be easily adjusted.
In terms of the 7th, the unbalance minimum of the inductance as caused by the configuration of at least three iron-core coils can be made.
In eighth aspect, make to include two reactors in a reactor, therefore in the case where needing two reactors
Installation space can be reduced.In addition, by the way that these reactors are connected in parallel to each other or are connected in series, inductance value can be adjusted.
At the 9th aspect, make to include the reactor of more than three in a reactor, therefore in the electricity for needing more than three
Installation space can be reduced in the case of anti-device.In addition, by the way that the reactor of more than three to be connected in parallel to each other or be connected in series, energy
Enough adjust inductance value.
At the tenth aspect, it can suppress and the vibration of the iron core of gap-contact and reduce from noise caused by iron core.
The tenth on the one hand, the equalized temperature between iron-core coil and peripheral part iron core can be promoted and reduced from iron core
Noise caused by coil, peripheral part iron core.
In terms of the 12nd, formed with gap between iron core between iron-core coil and coil, therefore compared in the absence of line
The situation of iron core between circle, the gap of everywhere are narrow.Therefore, the magnetic flux of leakage is few.Further, since the distance between gap and coil
Far, thus thorough coil magnetic flux it is less, in coil it is caused vortex reduce, therefore can reduce in coil it is caused vortex damage
Consumption.
In the 13rd aspect, the area increase in gap, therefore the magnetic flux that the magnetic flux density in gap declines and leaked tails off, and passes through
The magnetic flux of threading circle tails off, therefore being capable of further caused eddy-current loss in suppression coil.
In fourteenth aspect, if the quantity of iron-core coil is 3 multiple, therefore multiple iron core lines be present for a phase
Circle.Moreover, by the way that multiple iron-core coils are connected in parallel with each other, the sectional area of the coil of each iron-core coil can be reduced.In addition,
By the way that multiple iron-core coils are serially connected, the number of turn of the coil of each iron-core coil can be reduced.
In terms of the 15th, formed with the core portion gap between the gap between iron-core coil and multiple core portions
This two side, therefore the size in the gap of everywhere can be reduced.By in such manner, it is possible to reduce the magnetic flux from clearance leakage, therefore
The eddy-current loss in coil as caused by leakage magnetic flux can be reduced.
At the 16th aspect, formed with peripheral part iron core gap between peripheral part iron core and iron-core coil, therefore from iron
Heat caused by core coil is difficult to peripheral part iron core transmission.
At the 17th aspect, formed with this two side of core portion gap between the gap between iron-core coil and coil, therefore
The size in the gap of everywhere can be reduced.By in such manner, it is possible to reduce the magnetic flux from clearance leakage, therefore can further subtract
Few eddy-current loss as caused by leakage magnetic flux in coil.
At the 18th aspect, peripheral part iron core is divided into it is multiple, therefore in the case that peripheral part iron core is large-scale
Also peripheral part iron core can easily be manufactured.
At the 19th aspect, by adjusting peripheral part core portion gap, the unbalance of inductance can be easily adjusted.
In terms of the 20th, the unbalance minimum of the inductance as caused by the configuration of at least three iron-core coils can be made.
The 20th on the one hand, make to include two reactors in a reactor, therefore in the feelings for needing two reactors
Installation space can be reduced under condition.In addition, by the way that these reactors are connected in parallel to each other or are connected in series, inductance value can be adjusted.
At the 22nd aspect, make to include the reactor of more than three in a reactor, therefore needing more than three
Reactor in the case of can reduce installation space.In addition, by the way that the reactor of more than three is connected in parallel to each other or connected company
Connect, inductance value can be adjusted.
At the 23rd aspect, the vibration of the iron core between the iron core and coil of gap-contact can be suppressed and reduced from iron
Noise caused by core.
In twenty-fourth aspect, equalized temperature between iron-core coil, peripheral part iron core, coil between iron core can be promoted simultaneously
And reduce from noise caused by iron core between iron-core coil, peripheral part iron core, coil.
At the 25th aspect to twenty-eighth aspect, the motor drive including reactor can be easily provided
And the machinery including such motor drive and the power governor including reactor and adjusted including such power
Save the machinery or device of device.
The utility model is illustrated using typical embodiment, but those skilled in the art will be understood that and can not take off
Foregoing change and other various changes from the scope of the utility model are carried out, omits, is additional.
Claims (15)
1. a kind of three-phase reactor, it is characterised in that possess：
Peripheral part iron core；And
At least three iron-core coils, at least three iron-core coil contacted with the inner surface of the peripheral part iron core or with the interior table
Face combines,
Wherein, at least three iron-core coil includes iron core and is wound in the coil of the iron core,
An iron-core coil at least three iron-core coil iron-core coil adjacent with an iron-core coil it
Between formed be capable of magnetic link gap.
2. three-phase reactor according to claim 1, it is characterised in that
The quantity of at least three iron-core coil is 3 multiple.
3. three-phase reactor according to claim 1 or 2, it is characterised in that
The iron core of at least three iron-core coil includes multiple core portions,
Formed with the core portion gap for being capable of magnetic link between the plurality of core portion.
4. three-phase reactor according to claim 1 or 2, it is characterised in that
Between the iron core and the peripheral part iron core of at least three iron-core coil formed be capable of magnetic link it is outer
All portion's iron core gaps.
5. three-phase reactor according to claim 1 or 2, it is characterised in that
The peripheral part iron core includes multiple peripheral part core portions.
6. three-phase reactor according to claim 5, it is characterised in that
Formed with peripheral part iron core between peripheral part core portion adjacent to each other in the multiple peripheral part core portion
Portion gap.
7. three-phase reactor according to claim 1 or 2, it is characterised in that
At least three iron-core coil symmetrically configures.
8. three-phase reactor according to claim 1 or 2, it is characterised in that
Insertion or gap part or insulating paper or resin filled with nonmagnetic substance in the gap of the three-phase reactor.
9. three-phase reactor according to claim 1 or 2, it is characterised in that
The three-phase reactor the peripheral part iron core inner side filled with nonmagnetic substance gap part or insulating part or
Resin.
10. a kind of three-phase reactor, it is characterised in that possess：
Peripheral part iron core；And
At least three iron-core coils, at least three iron-core coil contacted with the inner surface of the peripheral part iron core or with the interior table
Face combines,
Wherein, at least three iron-core coil includes iron core and is wound in the coil of the iron core,
The three-phase reactor is also equipped with iron core between coil, between the coil core configuration at least three iron-core coil it
Between,
Formed with the gap for being capable of magnetic link between iron core between at least three iron-core coil and the coil.
11. three-phase reactor according to claim 10, it is characterised in that
Iron core has two faces at an acute angle between the coil, two faces respectively across the gap and with the iron-core coil
In opposite directions.
12. a kind of motor drive, it is characterised in that possess the electricity according to any one of claim 1 to 11
Anti- device.
13. a kind of machinery, it is characterised in that possess motor drive according to claim 12.
14. a kind of power governor, it is characterised in that possess the reactor according to any one of claim 1 to 11.
15. a kind of machinery or device, it is characterised in that possess power governor according to claim 14.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2016-014484 | 2016-01-28 | ||
| JP2016014484 | 2016-01-28 | ||
| JP2016160747A JP6450717B2 (en) | 2016-01-28 | 2016-08-18 | Three-phase reactor with iron core and coil |
| JP2016-160747 | 2016-08-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206657708U true CN206657708U (en) | 2017-11-21 |
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ID=59566466
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| CN201720101799.2U Active CN206657708U (en) | 2016-01-28 | 2017-01-25 | Three-phase reactor, motor drive, power governor and machinery or device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110364332A (en) * | 2018-04-09 | 2019-10-22 | 发那科株式会社 | Polyphase transformer |
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| JP1590158S (en) | 2017-03-23 | 2017-11-06 | ||
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| JP1590156S (en) | 2017-03-23 | 2017-11-06 | ||
| JP1590155S (en) | 2017-03-23 | 2017-11-06 | ||
| JP6640898B2 (en) * | 2018-02-28 | 2020-02-05 | ファナック株式会社 | Electromagnetic equipment |
| JP6717883B2 (en) * | 2018-06-20 | 2020-07-08 | ファナック株式会社 | Electromagnetic equipment with iron core support structure |
| JP7448391B2 (en) | 2020-03-24 | 2024-03-12 | ファナック株式会社 | reactor with substrate |
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| JPS5373352A (en) * | 1976-12-13 | 1978-06-29 | Fujitsu Ltd | Multiiphase choke coil |
| EP1269494A1 (en) * | 2000-04-03 | 2003-01-02 | Abb Ab | A multiphase induction device |
| JP2007300700A (en) * | 2006-04-27 | 2007-11-15 | Sanken Electric Co Ltd | Noise reducing reactor and noise reducing device |
| JP4646327B2 (en) * | 2007-01-22 | 2011-03-09 | 国立大学法人東北大学 | Three-phase electromagnetic equipment |
| JP2010252539A (en) * | 2009-04-16 | 2010-11-04 | Toyota Central R&D Labs Inc | Onboard multi-phase converter |
| US8653931B2 (en) * | 2010-10-27 | 2014-02-18 | Rockwell Automation Technologies, Inc. | Multi-phase power converters and integrated choke therfor |
| JP5709711B2 (en) * | 2011-09-28 | 2015-04-30 | 三菱電機株式会社 | Filter reactor and manufacturing method thereof |
| JP5977773B2 (en) * | 2014-02-24 | 2016-08-24 | 株式会社豊田中央研究所 | Method of using composite magnetic parts and power supply system |
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| CN110364332A (en) * | 2018-04-09 | 2019-10-22 | 发那科株式会社 | Polyphase transformer |
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| JP2017139438A (en) | 2017-08-10 |
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