CN208478093U - The transformer of winding construction - Google Patents

Abstract

The utility model provides a kind of transformer of winding construction, comprising: a cyclic annular iron core, an armature winding and a secondary windings；Wherein cyclic annular iron core is a kind of iron core of single magnetic circuit, and cyclic annular iron core includes apart from one another by the first foot arranged side by side and crus secunda；Armature winding using copper wire be looped around the first foot the first insulating part outside and crus secunda the second insulating part outside；Secondary windings uses copper strips, and secondary windings includes the first secondary windings for being looped around the first foot and the second subprime winding for being looped around crus secunda, and the first secondary windings and second subprime winding are looped around the outside of the copper wire of armature winding；The both ends of copper strips as the first secondary windings extend the leading-out terminal for constituting the first secondary windings along the same direction in the axle center of parallel first secondary windings after turning down 90 degree, the both ends of the copper strips as second subprime winding extend the leading-out terminal for constituting second subprime winding along the same direction in the axle center of parallel second subprime winding after turning down 90 degree.

Description

The transformer of winding construction

Technical field

The utility model relates to a kind of winding transformer, especially a kind of transformer of winding construction.

Background technique

Transformer be substantially by cover at one it is iron core-closed on two or more windings (or coil) constitute, transformation The winding that device is connected with power supply is known as armature winding or primary winding, and the winding of load connection is known as secondary windings or auxiliary winding. It is all mutual insulating between winding and winding and winding and iron core.Magnetic circuit needed for iron core constitutes electromagnetic induction.In order to subtract Caused eddy current loss when few flux change, the iron core of transformer are usually by many silicon steel sheet stacks into adjacent two panels It is separated between silicon steel sheet using insulated paint.High magnetic conductivity based on silicon steel sheet, most magnetic flux are confined in iron core, therefore, Armature winding and secondary windings can obtain the magnetic coupling of suitable high level.

Double E shaped iron cores and E I shaped iron core are core structures common in traditional transformer, are surrounded in the center of iron core Armature winding and secondary windings, armature winding and secondary windings use copper wire (usually enameled wire), and the winding mode of copper wire is logical It is often that armature winding and secondary windings are wound on to the same iron core in a coaxial relationship, one of them is located at inner ring another one and is located at Outer ring is separated between armature winding and secondary windings with insulating materials, in this way the transformer of coiling, armature winding and time There is preferable coupling density between grade winding.

Double E shaped iron cores that traditional transformer uses or the iron core that E I shaped iron core is all a kind of double magnetic circuit, volume it is larger and And it be easy to cause bilateral fever uneven, it is all enclosed in inside E shaped iron core, is dissipated using the armature winding and secondary windings of copper wire Hot bad and coiling area is smaller.

Utility model content

In view of this, the technical problem to be solved by the utility model is to provide a kind of transformers of winding construction.

In order to solve the above technical problems, a kind of embodiment of the transformer of the utility model winding construction, comprising: one is cyclic annular Iron core, an armature winding and a secondary windings；Wherein cyclic annular iron core is a kind of iron core of single magnetic circuit, and cyclic annular iron core includes with each other Every the first foot arranged side by side and crus secunda；Armature winding using copper wire be looped around the first foot the first insulating part outside and crus secunda The second insulating part outside；Secondary windings uses copper strips, secondary windings include be looped around the first secondary windings of the first foot with And it is looped around the second subprime winding of crus secunda, the first secondary windings and second subprime winding are looped around the copper wire of armature winding Outside；Along the phase Tongfang in the axle center of parallel first secondary windings after 90 degree of the both ends fold of copper strips as the first secondary windings To the leading-out terminal for constituting the first secondary windings is extended, along parallel after 90 degree of the both ends fold of the copper strips as second subprime winding The same direction in the axle center of second subprime winding extends the leading-out terminal for constituting second subprime winding.

The preferred structure of transformer as the utility model winding construction, wherein the outside of the first foot has one first insulation The outside of part, crus secunda has one second insulating part, and armature winding is looped around the outside and second of the first insulating part of the first foot The outside of second insulating part of foot.

The preferred structure of transformer as the utility model winding construction, wherein cyclic annular iron core is a kind of circular groups of rectangle Part, wherein the first foot and crus secunda are parallel to each other.

The preferred structure of transformer as the utility model winding construction, wherein cyclic annular iron core is mutual by two L-type iron cores It is butted into cricoid structure.

As the preferred embodiment of L-type iron core, wherein two L-type iron core using silicon steel sheet stack at.

As the preferred embodiment of L-type iron core, wherein there are guiding incline, two L-type iron at the both ends of each L-type iron core The guiding incline of core is closely sealed mutually to be docking together.Under conditions of identical sensibility reciprocal, have that gap is small, low drain sense and efficient excellent Point.

The beneficial effect of the transformer of the utility model winding construction is, is single by the cyclic annular iron core that two L-type iron cores form Magnetic structure has the advantages that miniaturization can also avoid unbalanced problem of generating heat；Secondary windings is had biggish using copper strips Area is outer around having good, the advantages of reducing leakage inductance raising efficiency of radiating, under conditions of same volume, use copper strips as secondary Winding can make coiling area promote one times.

Cooperation schema is described as follows by the specific embodiment and its its advantages and effect related to about the utility model.

Detailed description of the invention

In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, to embodiment or will show below There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this The some embodiments recorded in application, for those of ordinary skill in the art, without creative efforts, It can also be obtained according to these attached drawings other attached drawings.

Fig. 1 is a kind of structural exploded view of embodiment of the transformer of the utility model winding construction.

Fig. 2 is a kind of construction outside drawing of embodiment of the transformer of the utility model winding construction, and it is complete to be painted transformer combination At construction.

Fig. 3 is the vertical view structural map of Fig. 2.

Fig. 4 is structure profile diagram of the Fig. 3 in the position A-A.

Fig. 5 is a kind of structural map of embodiment of the transformer of the utility model winding construction, be painted armature winding and it is secondary around Group is looped around the construction of L-type iron core.

Fig. 6 is that Fig. 5 looks up structural map.

Fig. 7 is structure profile diagram of the Fig. 6 in the position B-B.

Fig. 8 is the structural map of another embodiment of the L-type iron core of the transformer of the utility model winding construction.

Symbol description

10 cyclic annular iron cores

11 first feet

12 crus secundas

13 first insulating parts

14 second insulating parts

20 armature windings

30 secondary windings

31 first secondary windings

311 leading-out terminals

32 second subprime windings

321 leading-out terminals

40A, 40B L-type iron core

The axle center of the first secondary windings of L1

The axle center of L2 second subprime winding

S1, S2 guiding incline

Specific embodiment

To fully understand the purpose of this utility model, feature and effect, hereby by following specific embodiments, and cooperate institute Attached schema, is described in detail the utility model, illustrates as after:

In this article, described term " include including have " or it is other it is any it is similar with the meaning of one's words be non-to be only limitted to this These important documents listed by text, but may include not expressly listed but usually intrinsic other in the component or device Important document.

In this article, described term "a" or "an" describes the component, device etc..This measure is only for side Just illustrate, and provide general meaning to the scope of the utility model.Therefore, unless it is obvious that it is meant otherwise, otherwise Such description is understood to include one or at least one, and odd number also includes multiple simultaneously.

Referring initially to Fig. 1 and Fig. 2, be a kind of embodiment of the transformer of the utility model winding construction structural exploded view and Construct outside drawing.A kind of embodiment of the transformer of the utility model winding construction a, comprising: cyclic annular iron core 10, an armature winding 20 With a secondary windings 30.

Wherein cyclic annular iron core 10 is a kind of iron core of single magnetic circuit, and cyclic annular iron core 10 includes apart from one another by the first foot 11 arranged side by side A kind of better embodiment with crus secunda 12, cyclic annular iron core 10 is a kind of ring-shaped component of rectangle, wherein the first foot 11 and Two feet 12 are parallel to each other.A kind of better embodiment of cyclic annular iron core 10 is connected to each other by two L-type iron cores 40A and 40B Cricoid structure, wherein two L-type iron core 40A and 40B all be using silicon steel sheet stack at.

Referring to Fig. 8, depict a kind of preferred embodiment construction of cyclic annular iron core 10, wherein in two L-type iron core 40A and The both ends of 40B all have guiding incline S1 and S2, and the guiding incline S1 and S2 of two L-type iron cores 40A and 40B are closely sealed mutually to be docked at one It rises.Under conditions of identical sensibility reciprocal, have the advantages that small gap, low drain sense and efficient.

Armature winding 20 uses copper wire, and copper wire is the enameled wire that surface has insulating layer, and armature winding 20 is looped around first The outside of foot 11 and crus secunda 12；In a kind of preferred embodiment construction of the transformer of the utility model winding construction, wherein the first foot 11 outside has one first insulating part 13, and the outside of crus secunda 12 has one second insulating part 14, and armature winding 20 is looped around The outside of second insulating part 14 in the outside and crus secunda 12 of the first insulating part 13 of the first foot 11 (see Fig. 3 and Fig. 4).Wherein A kind of embodiment of one insulating part 13 and the second insulating part 14 is a kind of plastic tube；In other embodiments, the first insulation Part 13 and the second insulating part 14 can be plastic foil or plastic paper.

Secondary windings 30 uses copper strips, and the surface of copper strips has insulating layer, and insulating layer can be insulated paint, plastic foil or modeling Expect paper, secondary windings 30 is including being looped around the first secondary windings 31 of the first foot 11 and being looped around the second subprime of crus secunda 12 Winding 32, the first secondary windings 31 and second subprime winding 32 are looped around the outside of the copper wire of armature winding 20, wherein as the (the fold mode indicated see Fig. 2 dotted arrow) is along parallel first time after the both ends of the copper strips of one secondary windings 31 turn down 90 degree The same direction of the axle center L1 of grade winding 31 extends the leading-out terminal 311 for constituting the first secondary windings 31, as second subprime winding The both ends of 32 copper strips, which extend after turning down 90 degree along the same direction of the axle center L2 of parallel second subprime winding 32, constitutes second The leading-out terminal 321 of secondary windings 32.Wherein the first secondary windings 31 and second subprime winding 32 are according to 30 needs of secondary windings Circular the number of turns selects required amount of copper strips to be looped around the outside of the copper wire of armature winding 20 respectively.

A kind of preferable assembling mode of the transformer of the utility model winding construction please refers to Fig. 5 to Fig. 7, wherein armature winding 20 are looped around the first insulating part 13 of the first foot 11 (being located at L-type iron core 40A) of cyclic annular iron core 10 using copper wire first, then again It is looped around the second insulating part 14 of the crus secunda 12 (being located at L-type iron core 40B) of cyclic annular iron core 10；Then it is needed according to secondary windings 30 The number of turns to be surround, select required amount of copper strips be looped around respectively the copper wire of armature winding 20 outside complete first grade around Group 31 and second subprime winding 32；It will finally be surrounded with armature winding 20, the first secondary windings 31 and second subprime winding 32 again Two L-type iron cores 40A and 40B be connected to each other the assembling that structure circlewise completes the utility model transformer.

It is disclosed as above although the utility model has passed through the above embodiments, so it is not intended to limit the utility model, Those skilled in the art, without departing from the spirit and scope of the utility model, when can make some changes and embellishment, therefore this The scope of patent protection of utility model must regard subject to claims hereof institute defender.

Claims (8)

1. a kind of transformer of winding construction characterized by comprising a cyclic annular iron core, an armature winding and a secondary windings； The ring-type iron core is a kind of iron core of single magnetic circuit, which includes apart from one another by one first foot arranged side by side and a crus secunda； The armature winding is looped around the outside of first foot and the crus secunda using copper wire；The secondary windings use copper strips, the secondary around Group includes being looped around one first secondary windings of first foot and being looped around a second subprime winding of the crus secunda, this first Secondary windings and the second subprime winding are looped around the outside of the copper wire of the armature winding；Copper strips as first secondary windings Both ends turn down 90 degree after along the same direction in the axle center of parallel first secondary windings extend composition first secondary windings A leading-out terminal, the both ends of the copper strips as the second subprime winding turn down 90 degree after along the second subprime winding in parallel axis The same direction of the heart extends the leading-out terminal for constituting the second subprime winding.

2. the transformer of winding construction as described in claim 1, it is characterised in that: the outside of first foot is exhausted with one first The outside of edge part, the crus secunda has one second insulating part；The armature winding is looped around first insulating part of first foot The outside of second insulating part of outside and the crus secunda.

3. the transformer of winding construction as claimed in claim 2, it is characterised in that: first insulating part and second insulating part It can be plastic tube, plastic foil or plastic paper.

4. the transformer of winding construction as described in claim 1, it is characterised in that: the copper wire of the armature winding is that surface has The surface of the enameled wire of insulating layer, the copper strips has insulating layer, and the insulating layer of the copper strips can be insulated paint, plastic foil or modeling Expect paper.

5. the transformer of winding construction as described in claim 1, it is characterised in that: the ring-type iron core is a kind of annular of rectangle Component, first foot and the crus secunda are parallel to each other.

6. the transformer of winding construction as described in claim 1, it is characterised in that: the ring-type iron core is by two L-type iron cores It is connected to each other structure circlewise.

7. the transformer of winding construction as claimed in claim 6, it is characterised in that: two L-type iron cores use silicon steel sheet stack At.

8. the transformer of winding construction as claimed in claim 6, it is characterised in that: the both ends of each L-type iron core have Guiding incline, the guiding incline of two L-type iron cores is closely sealed mutually to be docking together.