CN111350682A - Axial flow fan - Google Patents
Axial flow fan Download PDFInfo
- Publication number
- CN111350682A CN111350682A CN201911314961.9A CN201911314961A CN111350682A CN 111350682 A CN111350682 A CN 111350682A CN 201911314961 A CN201911314961 A CN 201911314961A CN 111350682 A CN111350682 A CN 111350682A
- Authority
- CN
- China
- Prior art keywords
- control box
- heat
- circuit board
- driving circuit
- machine body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000017525 heat dissipation Effects 0.000 claims abstract description 26
- 238000005192 partition Methods 0.000 claims description 20
- 238000004891 communication Methods 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000033228 biological regulation Effects 0.000 description 7
- 230000001276 controlling effect Effects 0.000 description 4
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/52—Casings; Connections of working fluid for axial pumps
- F04D29/522—Casings; Connections of working fluid for axial pumps especially adapted for elastic fluid pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/52—Casings; Connections of working fluid for axial pumps
- F04D29/54—Fluid-guiding means, e.g. diffusers
- F04D29/541—Specially adapted for elastic fluid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/58—Cooling; Heating; Diminishing heat transfer
- F04D29/5813—Cooling the control unit
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/58—Cooling; Heating; Diminishing heat transfer
- F04D29/582—Cooling; Heating; Diminishing heat transfer specially adapted for elastic fluid pumps
- F04D29/5853—Cooling; Heating; Diminishing heat transfer specially adapted for elastic fluid pumps heat insulation or conduction
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention relates to an axial flow fan, which comprises a machine body, a motor seat, a brushless motor, a fan assembly, a control box and a heat dissipation structure. The bottom of the control box is fixed on the outer side of the machine body, and the control box is provided with a control module and a driving circuit board which are electrically connected. The heat dissipation structure penetrates through the control box, is in contact with the driving circuit board and is exposed out of the control box.
Description
Technical Field
The invention relates to an axial-flow fan.
Background
General fans are widely used in household fans, office air conditioning systems and factory equipment, and motors of fans have a brush type and a brushless type, wherein the brushless type motors have low heat loss and high mechanical energy conversion efficiency, and as electronic control technologies for controlling driving circuit boards of the brushless motors are more and more developed, the brushless motors can reach high wattage and are not easy to generate heat, so that the brushless motors have gradually become a trend of fan applications, and fans of the brushless motors with higher wattage (such as 100 watts to 500 watts) are more and more appeared on the market for large-scale factories and moving sites.
However, such a conventional brushless motor fan has a disadvantage that although the high-wattage brushless motor has a lower heat generation rate than the high-wattage brush motor, the current passing through the driving circuit board is increased along with the increase of wattage, which easily causes the driving circuit board to overheat and even burn out under the high-wattage use condition of the conventional brushless motor fan, and may cause a fire disaster under more serious conditions, thus there is a drawback to be improved.
Therefore, there is a need to provide a new and improved axial flow fan to solve the above problems.
Disclosure of Invention
The present invention is directed to an axial fan, which can effectively dissipate heat of a driving circuit board for controlling the rotation of a brushless motor without causing an excessive temperature when the brushless motor is in a high-wattage use state, so as to prevent the driving circuit board from generating excessive heat or being burnt.
To achieve the above object, the present invention provides an axial flow fan, including:
the air conditioner comprises a machine body, wherein an axially extending air channel is arranged in the machine body, one end of the air channel is provided with an air inlet, and the other end of the air channel is provided with an air outlet;
a motor seat arranged at the center of the air duct of the machine body;
a brushless motor arranged on the motor seat and provided with a rotating shaft facing the air inlet;
a fan assembly connected to the rotating shaft of the brushless motor, the fan assembly having a plurality of blades arranged at intervals;
the bottom of the control box is fixed on the outer side of the machine body, the control box is provided with a control module and a driving circuit board which are electrically connected, the driving power of the driving circuit board is 10-500 watts, and the driving circuit board is respectively and electrically connected with a power line and the brushless motor;
and the heat dissipation structure penetrates through the control box, is in contact with the driving circuit board and is exposed out of the control box.
The driving circuit board is provided with a plurality of pins and a plurality of heat-conducting blocks, the plurality of pins are respectively inserted into the plurality of heat-conducting blocks, and the plurality of heat-conducting blocks are contacted with the heat-radiating structure.
The heat dissipation structure comprises a heat conduction plate and a plurality of heat dissipation fins, wherein one side of the heat conduction plate is contacted with the plurality of heat conduction blocks, the other side of the heat conduction plate is contacted with the plurality of heat dissipation fins, and the plurality of heat dissipation fins are exposed out of the control box.
One side of the control box is provided with a detachably assembled partition plate, the heat dissipation structure comprises a frame piece, and the heat conduction plate is arranged in the frame piece.
The partition board is provided with a group of connecting holes in a penetrating mode, at least one of two opposite sides of each group of connecting holes transversely extends to form a connecting plate, and the frame piece abuts against the at least one group of connecting plates and is fixedly locked to the at least one group of connecting plates.
One of the partition board and the control box is provided with at least one first folded edge in an extending manner, the other one of the partition board and the control box is provided with at least one first locking hole, and each first locking hole is locked with one first folded edge by a locking piece.
The driving circuit board is further provided with a remote control module, the remote control module is connected with a remote control antenna, and the remote control antenna penetrates through the heat conducting plate, so that one end of the remote control antenna is positioned outside the control box and between two adjacent radiating fins.
The control module is provided with a motor starting switch, a motor speed regulating switch and a motor speed regulating display.
One side of the control box is provided with a plurality of telecommunication connectors, each telecommunication connector is electrically connected with the driving circuit board respectively, so that the driving circuit board can receive a speed regulation setting mode input from the outside through the telecommunication connector, and then a motor speed regulation setter of the control module is matched to control the brushless motor to run.
The axial flow fan also comprises a fixed frame, two sides of the fixed frame are respectively provided with an upper supporting rod in a bending way, the machine body is arranged between the two upper supporting rods, and two adjusting bolts are respectively locked on the two upper supporting rods and two sides of the machine body; the bottom of the control box is arc-shaped and is attached to the arc-shaped outer side surface of the machine body, two outer folding edges are respectively arranged on two sides of the bottom of the control box, the outer folding edges are locked with the arc-shaped outer side surface of the machine body through a plurality of locking pieces, and the caliber of the air inlet is larger than that of the air outlet; the motor seat is provided with a plurality of air guide sheets extending outwards and radially at intervals, and the tail ends of the air guide sheets are fixed on the periphery of the air duct; the bottom of the control box is fixed on the outer side surface of the machine body; the frame piece can be fixedly arranged on the partition plate of the control box in a penetrating way; the plurality of heat conducting blocks are locked and fixed on the heat conducting plate, so that the driving circuit board, the partition plate and the heat radiating structure are fixed.
The invention has the beneficial effects that: the axial flow fan can effectively ensure that the driving circuit board for controlling the rotation of the brushless motor can effectively dissipate heat without causing overhigh temperature under the using state of the brushless motor with high wattage, and can avoid the generation of heat or burning of the driving circuit board, so the axial flow fan has higher durability and safety.
Drawings
Fig. 1 is a perspective view of a preferred embodiment of the present invention.
FIG. 2 is a side perspective view of a preferred embodiment of the present invention.
Fig. 3 and 4 are perspective views of a control box according to a preferred embodiment of the present invention.
Fig. 5 is a side perspective view of fig. 4.
Fig. 6 is an exploded view of fig. 4.
FIG. 7 is a partially enlarged view of the control box according to a preferred embodiment of the present invention.
FIG. 8 is a partial side cross-sectional view of a control box according to a preferred embodiment of the present invention.
1: the body 57: outer folded edge
2: motor mount 511: motor starting switch
3: brushless motor 512: motor speed regulation switch
4: the fan assembly 513: motor speed regulation display
5: the control box 514: motor speed regulation setting device
6: the heat dissipation structure 521: stitch pin
7: the fixing frame 522: heat conducting block
11: air duct 523: remote control module
12: air inlet 524: remote control antenna
13: an air outlet 541: connecting hole
21: air guide sheet 542: assembled plate
31: a rotating shaft 543: first folded edge
41: the blades 544: the first locking hole
51: the control module 61: heat conducting plate
52: the drive circuit board 62: heat radiation fin
53: power supply line 63: frame piece
54: partition plate 71: upper supporting rod
55: the telecommunication connector 72: adjusting bolt
56: locking part
Detailed Description
The following description is given by way of example only, and is not intended to limit the scope of the invention.
Referring to fig. 1 to 8, which illustrate a preferred embodiment of the present invention, an axial flow fan of the present invention includes a housing 1, a motor base 2, a brushless motor 3, a fan assembly 4, a control box 5 and a heat dissipation structure 6.
An axially extending air duct 11 is provided in the machine body 1, one end of the air duct 11 is provided with an air inlet 12, and the other end is provided with an air outlet 13.
The motor base 2 is disposed at the center of the air duct 11 of the machine body 1, in this embodiment, the motor base 2 is further provided with a plurality of air guiding sheets 21 extending outward and radially at intervals, and the tail end of each air guiding sheet 21 is fixed at the periphery of the air duct 11.
The brushless motor 3 is disposed on the motor base 2, and the brushless motor 3 has a rotating shaft 31 facing the air inlet 12.
The fan assembly 4 is connected to the rotating shaft 31 of the brushless motor 3, and the fan assembly 4 has a plurality of blades 41 arranged at intervals.
The bottom of the control box 5 is fixed to the outer side of the machine body 1, in this embodiment, the bottom of the control box 5 is fixed to the outer side surface of the machine body 1, the control box 5 is provided with a control module 51 and a driving circuit board 52 which are electrically connected, the driving power of the driving circuit board 52 is 10 watts to 500 watts, and the driving circuit board 52 is electrically connected to a power line 53 and the brushless motor 3 respectively. In the present embodiment, the control module 51 is provided with a motor start switch 511, a motor speed regulation switch 512 and a motor speed regulation display 513, so as to start the brushless motor 3, regulate and control the rotation speed of the brushless motor 3 and display the currently adjusted rotation number or the set number of steps.
The heat dissipation structure 6 penetrates through the control box 5 and contacts with the driving circuit board 52 and is exposed out of the control box 5.
In practical use, the control box 5 is used to control the brushless motor 3 to drive the fan assembly 4 to rotate, so as to draw the air flow to enter the air duct 11 and the air guiding sheets 21 from the air inlet 12 in sequence, and then blow out the straight axial flow air flow through the air outlet 13, because the driving power of the driving circuit board 52 is 10 watts to 500 watts, the brushless motor 3 can have high-power rotation efficiency to greatly improve the air supply distance and the air volume and enhance the air supply effect, and because the control box 5 is arranged outside the machine body 1 and can not contact the water vapor contained in the axial flow air flow, the damage caused by failure can be avoided, the service life can be prolonged, and the operation and use are more convenient. In addition, because the heat dissipation structure 6 penetrates through the control box 5, contacts with the driving circuit board 52 and is exposed outside the control box 5, the driving circuit board 52 of the control box 5 can effectively dissipate heat without causing overhigh temperature, so as to prevent the driving circuit board 52 from generating heat or being burnt, therefore, the axial flow fan of the invention can have large air supply distance and air volume, and has high durability and high safety.
Specifically, the driving circuit board 52 is provided with a plurality of pins 521 and a plurality of heat-conducting blocks 522, the pins 521 are respectively inserted into the heat-conducting blocks 522, and the heat-conducting blocks 522 are in contact with the heat dissipation structure 6, so that heat generated when the driving circuit board 52 is powered on can be conducted to the heat-conducting blocks 522 through the pins 521, and then conducted to the heat dissipation structure 6 for heat dissipation. In the embodiment, the heat dissipation structure 6 includes a heat conduction plate 61 and a plurality of heat dissipation fins 62, one side of the heat conduction plate 61 contacts with the heat conduction blocks 522, the other side contacts with the heat dissipation fins 62, the heat dissipation fins 62 are exposed out of the control box 5, and the heat dissipation fins 62 can increase the heat dissipation area with the outside air, thereby greatly improving the heat dissipation capability.
Furthermore, a detachably assembled partition plate 54 is disposed on one side of the control box 5, the heat dissipation structure 6 includes a frame 63, the heat conduction plate 61 is disposed in the frame 63, and the frame 63 can be fixedly inserted through the partition plate 54 of the control box 5. Furthermore, the partition plate 54 is provided with a set of connection holes 541 through, at least one of the two opposite sides of the set of connection holes 541 extends transversely to form a set of connection plates 542, in the embodiment, both of the two connection plates 542 are provided with the set of connection plates 542, the frame 63 abuts against the two set of connection plates 542 and is locked to at least one of the set of connection plates 542, so that the frame 63 and the partition plate 54 are fixed together, and in the embodiment, the heat conduction blocks 522 are locked to the heat conduction plate 61, so that the driving circuit board 52 is fixed to the partition plate 54 and the heat dissipation structure 6. Therefore, the control box 5 is convenient to assemble or disassemble, and the components are not scattered. Preferably, one of the partition plate 54 and the control box 5 is extended with at least one first folding edge 543, and the other is provided with at least one first locking hole 544, in the embodiment, the partition plate 54 is provided with two first folding edges 543, two side plates of the control box 5 are provided with a plurality of first locking holes 544, and each first locking hole 544 is locked with one first folding edge 543 by a locking member 56.
In the embodiment, the driving circuit board 52 is further provided with a remote control module 523, the remote control module 523 is in communication connection with a wireless remote controller to control the on/off and the rotation speed of the brushless motor 3, the remote control module 523 is connected with a remote control antenna 524, and the remote control antenna 524 is disposed through the heat conducting plate 61, so that one end of the remote control antenna 524 is located outside the control box 5 and between two adjacent heat dissipation fins 62, thereby preventing the control box 5 from shielding the remote control antenna for receiving signals.
Preferably, a plurality of telecommunication connectors 55 are disposed on one side of the control box 5, each telecommunication connector 55 is electrically connected to the driving circuit board 52, so that the driving circuit board 52 can receive an externally inputted speed-adjusting setting mode (such as DMX multiple digital communication protocol) via the telecommunication connector 55, and then cooperate with a motor speed-adjusting setting device 514 of the control module 51 to control the operation of the brushless motor 3, so as to achieve remote and timely accurate control of the operation of the brushless motor 3.
In detail, the present embodiment further includes a fixing frame 7, two sides of the fixing frame 7 are respectively and oppositely bent to form an upper supporting rod 71, the machine body 1 is disposed between the two upper supporting rods 71, and two adjusting bolts 72 are respectively locked to two sides of the machine body 1 and the two upper supporting rods 71, so as to adjust an angle of the machine body 1 relative to the fixing frame 7. In addition, the bottom of the control box 5 is arc-shaped and is attached to the arc-shaped outer side surface of the machine body 1, two outer folding edges 57 are respectively arranged on two sides of the bottom of the control box 5, the outer folding edges 57 are locked with the arc-shaped outer side surface of the machine body 1 through a plurality of locking pieces 56, the outer folding edges can be fixed on the machine body 1, and the caliber of the air inlet 12 is larger than that of the air outlet 13.
In summary, the axial flow fan of the present invention can effectively dissipate heat of the driving circuit board for controlling the rotation of the brushless motor without causing excessive temperature when the brushless motor is in a high-wattage use state, so as to prevent the driving circuit board from generating heat or being burnt, and therefore, the axial flow fan of the present invention has high durability and safety.
Claims (10)
1. An axial flow fan, comprising:
the air conditioner comprises a machine body, wherein an axially extending air channel is arranged in the machine body, one end of the air channel is provided with an air inlet, and the other end of the air channel is provided with an air outlet;
a motor seat arranged at the center of the air duct of the machine body;
a brushless motor arranged on the motor seat and provided with a rotating shaft facing the air inlet;
a fan assembly connected to the rotating shaft of the brushless motor, the fan assembly having a plurality of blades arranged at intervals;
the bottom of the control box is fixed on the outer side of the machine body, the control box is provided with a control module and a driving circuit board which are electrically connected, the driving power of the driving circuit board is 10-500 watts, and the driving circuit board is respectively and electrically connected with a power line and the brushless motor;
and the heat dissipation structure penetrates through the control box, is in contact with the driving circuit board and is exposed out of the control box.
2. The axial fan of claim 1, wherein the driving circuit board has a plurality of pins and a plurality of heat-conducting blocks, the plurality of pins are respectively inserted into the plurality of heat-conducting blocks, and the plurality of heat-conducting blocks are in contact with the heat-dissipating structure.
3. The axial flow fan of claim 2, wherein the heat dissipating structure comprises a heat conducting plate and a plurality of heat dissipating fins, one side of the heat conducting plate contacts with the plurality of heat conducting blocks, the other side contacts with the plurality of heat dissipating fins, and the plurality of heat dissipating fins are exposed out of the control box.
4. The axial flow fan of claim 3, wherein a detachably assembled partition is provided at one side of the control box, and the heat radiating structure includes a frame member in which the heat conducting plate is provided.
5. The axial fan of claim 4, wherein the partition plate has a plurality of holes formed therethrough, at least one of opposite sides of the holes having a plurality of connection plates extending transversely therethrough, and the frame member abuts against and is locked to the at least one connection plate.
6. The axial fan of claim 4, wherein one of the partition plate and the control box is extended with at least one first folded edge, and the other one of the partition plate and the control box is extended with at least one first locking hole, each of the first locking holes is locked with one of the first folded edges by a locking member.
7. The axial fan of claim 3, wherein the driving circuit board further comprises a remote control module, the remote control module is connected to a remote control antenna, the remote control antenna is disposed through the heat conducting plate, such that one end of the remote control antenna is located outside the control box and between two adjacent heat dissipating fins.
8. The axial fan of claim 1, wherein the control module includes a motor start switch, a motor speed control switch and a motor speed control display.
9. The axial fan of claim 8, wherein a plurality of communication connectors are disposed on one side of the control box, each of the communication connectors is electrically connected to the driving circuit board, so that the driving circuit board can receive an externally inputted speed setting mode through the communication connector, and then the brushless motor is controlled to operate by a motor speed setting device of the control module.
10. The axial fan of claim 4, further comprising a fixing frame, wherein an upper supporting rod is bent at each of two sides of the fixing frame, the body is disposed between the two upper supporting rods, and two adjusting bolts are respectively fastened to the two upper supporting rods and two sides of the body; the bottom of the control box is arc-shaped and is attached to the arc-shaped outer side surface of the machine body, two outer folding edges are respectively arranged on two sides of the bottom of the control box, the outer folding edges are locked with the arc-shaped outer side surface of the machine body through a plurality of locking pieces, and the caliber of the air inlet is larger than that of the air outlet; the motor seat is provided with a plurality of air guide sheets extending outwards and radially at intervals, and the tail ends of the air guide sheets are fixed on the periphery of the air duct; the bottom of the control box is fixed on the outer side surface of the machine body; the frame piece can be fixedly arranged on the partition plate of the control box in a penetrating way; the plurality of heat conducting blocks are locked and fixed on the heat conducting plate, so that the driving circuit board, the partition plate and the heat radiating structure are fixed.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
TW107146685A TWI675966B (en) | 2018-12-22 | 2018-12-22 | Axial-flow blower |
TW107146685 | 2018-12-22 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN111350682A true CN111350682A (en) | 2020-06-30 |
Family
ID=69188766
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201911314961.9A Pending CN111350682A (en) | 2018-12-22 | 2019-12-19 | Axial flow fan |
Country Status (2)
Country | Link |
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CN (1) | CN111350682A (en) |
TW (1) | TWI675966B (en) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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CN101513152A (en) * | 2006-09-07 | 2009-08-19 | 株式会社安川电机 | Motor controller |
JP4777762B2 (en) * | 2005-12-02 | 2011-09-21 | アスモ株式会社 | motor |
CN205694033U (en) * | 2016-06-14 | 2016-11-16 | 株式会社安川电机 | A kind of servo amplifier and servosystem |
TWM549992U (en) * | 2017-07-07 | 2017-10-01 | Jian-Wu Hong | Axial-flow type fan |
WO2018140902A1 (en) * | 2017-01-27 | 2018-08-02 | Franklin Electric Co., Inc. | Motor drive system including removable bypass circuit and/or cooling features |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
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TW545798U (en) * | 2002-03-18 | 2003-08-01 | Walrus Pump Co Ltd | Motor housing structure with frequency conversion device accommodation |
DE202006016349U1 (en) * | 2006-10-23 | 2007-01-11 | Hanning Elektro-Werke Gmbh & Co. Kg | Electric motor drive for use in e.g. food industry, has heat dissipation unit whose contact surface lies at rear side of printed circuit board, where heat dissipation unit is connected with printed circuit board by screw connection |
TWM471102U (en) * | 2013-09-06 | 2014-01-21 | Csim Inc | Driver structure of motor |
CN204578954U (en) * | 2015-05-05 | 2015-08-19 | 遵义天义利威机电有限责任公司 | A kind of cooling mechanism of modified model brushless motor controller |
CN207218458U (en) * | 2017-10-12 | 2018-04-10 | 谱罗顿智控电子科技(浙江)有限公司 | A kind of intelligent electric pump of good heat dissipation effect |
-
2018
- 2018-12-22 TW TW107146685A patent/TWI675966B/en active
-
2019
- 2019-12-19 CN CN201911314961.9A patent/CN111350682A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4777762B2 (en) * | 2005-12-02 | 2011-09-21 | アスモ株式会社 | motor |
CN101513152A (en) * | 2006-09-07 | 2009-08-19 | 株式会社安川电机 | Motor controller |
CN205694033U (en) * | 2016-06-14 | 2016-11-16 | 株式会社安川电机 | A kind of servo amplifier and servosystem |
WO2018140902A1 (en) * | 2017-01-27 | 2018-08-02 | Franklin Electric Co., Inc. | Motor drive system including removable bypass circuit and/or cooling features |
TWM549992U (en) * | 2017-07-07 | 2017-10-01 | Jian-Wu Hong | Axial-flow type fan |
Also Published As
Publication number | Publication date |
---|---|
TW202024488A (en) | 2020-07-01 |
TWI675966B (en) | 2019-11-01 |
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Application publication date: 20200630 |
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