CN208175231U - A kind of water-cooling structure of electric machine controller - Google Patents
A kind of water-cooling structure of electric machine controller Download PDFInfo
- Publication number
- CN208175231U CN208175231U CN201820861754.XU CN201820861754U CN208175231U CN 208175231 U CN208175231 U CN 208175231U CN 201820861754 U CN201820861754 U CN 201820861754U CN 208175231 U CN208175231 U CN 208175231U
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- China
- Prior art keywords
- water
- electric machine
- controller housing
- igbt module
- heat exchanger
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Abstract
The utility model relates to electric vehicle engineering fields, and disclose a kind of water-cooling structure of electric machine controller, including controller housing, the bottom end of controller housing is fixedly installed with heat dissipation tank, the top of controller shell intracoelomic cavity is fixedly installed with thin film capacitor ontology, the two sides of controller shell intracoelomic cavity are fixedly connected to support plate, the front of support plate, which is screwed, is equipped with PCB circuit board, the positive side of PCB circuit board is fixedly installed with IGBT drive circuit plate and IGBT module, and the output end of IGBT drive circuit plate is electrically connected with the input terminal of IGBT module.The water-cooling structure of the electric machine controller, by the way that water-cooled block is arranged in the inside of controller housing and positioned at the surface of IGBT module, so that the water-cooling circulating system that water pump, water-cooled block, heat exchanger and water cooling tube form directly radiates to IGBT module, to which IGBT module and electric machine controller and magnetism servo-electric motor water-cooling are formed integral structure, system thermal resistance is effectively reduced, guarantees the stability of system operation.
Description
Technical field
The utility model relates to electric vehicle engineering field, specially a kind of water-cooling structure of electric machine controller.
Background technique
Electric machine controller be controlled by active motor according to the direction of setting, speed, angle, the response time into
The integrated circuit of row work, in electric vehicle, the function of electric machine controller is instructed according to gear, throttle, brake etc., will be moved
Electric energy needed for the electric energy that power battery is stored is converted into driving motor, come control the starting operation of electric vehicle, advance and retreat speed,
The driving status such as climbing dynamics, or electric vehicle brake will be helped, and by the storage of part brake energy into power battery.Electricity
Machine controller generally comprises driving plate, control panel, barricade, IGBT module and motor controller box body, works in said mechanism
In the process, IGBT module can generate a large amount of heat, need to disperse in time, otherwise will affect the normal working performance of IGBT module.
In the prior art, electric machine controller is all by cooling fin by the heat transfer in motor controller box body to cabinet
Surface, then dispersed heat by radiator fan, since IGBT module is that heat is reached cabinet table by air in cabinet
The cooling fin in face, radiating efficiency is low, but also can reduce heat dissipation capacity as the temperature of cabinet working environment increases, so that
System thermal resistance is lasting higher, influences system operation.
Utility model content
(1) the technical issues of solving
In view of the deficiencies of the prior art, the utility model provides a kind of water-cooling structure of electric machine controller, has water cooling
The advantages that integral type directly radiates, radiating efficiency is high, anti-cooling drop leakage, solves since IGBT module is to pass through in cabinet
Heat is reached the cooling fin of tank surface by air, and radiating efficiency is low, but also can be increased with the temperature of cabinet working environment
And heat dissipation capacity is reduced, so that system thermal resistance is lasting higher, influence the problem of system is run.
(2) technical solution
To realize that above-mentioned water cooling integral type directly radiates, radiating efficiency is high and the purpose of anti-cooling drop leakage, this is practical new
Type provides the following technical solutions：A kind of water-cooling structure of electric machine controller, including controller housing, the bottom of the controller housing
End is fixedly installed with heat dissipation tank, and the top of the controller shell intracoelomic cavity is fixedly installed with thin film capacitor ontology, the control
The two sides of device housing cavity are fixedly connected to support plate, and the front of the support plate, which is screwed, is equipped with PCB circuit
Plate, the positive side of PCB circuit board are fixedly installed with IGBT drive circuit plate and IGBT module, the IGBT drive circuit
The output end of plate is electrically connected with the input terminal of IGBT module, the bottom end of the controller shell intracoelomic cavity and be located at IGBT module under
Side is fixedly connected with support plate, and the front of the support plate is fixedly installed with water-cooled block, and one end of the heat dissipation box cavity is fixed
Water pump is installed, the heat dissipation tank, which is located in the siding of water pump side, is embedded with heat exchanger, and the other end of heat exchanger protrudes into control
The inside of device shell processed, the inlet of the water-cooled block, water pump and heat exchanger passes through water cooling tube with liquid outlet respectively and is connected to, described
Controller housing, which is located in the siding at heat exchanger, is embedded with thermal insulation board, and the heat exchanger and controller housing junction are equipped with rubber
Gum cover, the left and right ends of the heat exchanger are fixedly connected to oblong slots mounting seat, the inside of the oblong slots mounting seat
Bolt is slidably connected, the other end of the bolt is threadedly coupled with the front of controller housing.
Preferably, thermal conductive silicon fat pad is equipped between the front of the IGBT module and the back side of water-cooled block.
Preferably, the outer wall that the water cooling tube is located in controller shell body is enclosed with water-absorbing sponge layer, water-absorbing sponge
The material of layer is polyurethane foam cotton, and the water cooling tube uses silicon rubber hose.
Preferably, the tank material of the heat dissipation tank is aluminium, and the bottom end of heat dissipation tank is equipped with ripple glaze.
Preferably, the coolant liquid inlet of the water-cooled block is located at close to the top of support plate.
Preferably, the gap between the heat exchanger and controller housing is interference fitted by rubber sleeve.
(3) beneficial effect
Compared with prior art, the utility model provides a kind of water-cooling structure of electric machine controller, has following beneficial
Effect：
1, the water-cooling structure of the electric machine controller, by the inside of controller housing and positioned at the surface of IGBT module
Water-cooled block is set, so that the water-cooling circulating system that water pump, water-cooled block, heat exchanger and water cooling tube form carries out directly IGBT module
System thermal resistance is effectively reduced so that IGBT module and electric machine controller and magnetism servo-electric motor water-cooling are formed integral structure in heat dissipation, protects
The stability of card system operation.
2, the water-cooling structure of the electric machine controller, by the way that the water cooling tube in controller shell body is wrapped up using water-absorbing sponge,
It can effectively occur for the fortuitous event of water-cooling system leakage, cause leakage not generate leakage risk to PCB circuit board, together
When, the package of water-absorbing sponge can effectively prevent coolant liquid from first carrying out to the heat in controller shell body before without water-cooled block
The case where absorption, to ensure that water-cooling system to the preferential heat dissipation performance of IGBT module.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is that the utility model controller housing and heat exchanger are embedded connection front view.
In figure：1 controller housing, 2 heat dissipation tanks, 3 thin film capacitor ontologies, 4 support plates, 5PCB circuit board, 6IGBT driving
Circuit board, 7IGBT module, 8 support plates, 9 water-cooled blocks, 10 water pumps, 11 heat exchangers, 12 water cooling tubes, 13 thermal insulation boards, 14 rubber sleeves,
15 oblong slots mounting seats, 16 bolts.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
A kind of water-cooling structure of electric machine controller referring to FIG. 1-2, including controller housing 1, the bottom of controller housing 1
End is fixedly installed with heat dissipation tank 2, and the tank material of heat dissipation tank 2 is aluminium, and the bottom end of heat dissipation tank 2 is equipped with ripple glaze, heat dissipation tank 2
The heat generated to water pump 10 and the heat to exchange heat from heat exchanger 11 is needed to carry out Quick diffusing, aluminum tank can use up
It radiates fastly, heat dissipation area can be improved in ripple glaze, and the top of 1 inner cavity of controller housing is fixedly installed with thin film capacitor ontology
3, the two sides of 1 inner cavity of controller housing are fixedly connected to support plate 4, and the front of support plate 4, which is screwed, is equipped with PCB
Circuit board 5, the positive side of PCB circuit board 5 are fixedly installed with IGBT drive circuit plate 6 and IGBT module 7, IGBT drive circuit
The output end of plate 6 is electrically connected with the input terminal of IGBT module 7, is equipped with and is led between the front of IGBT module 7 and the back side of water-cooled block 9
Hot silicone grease pad improves the heat exchange efficiency between IGBT module 7 and water-cooled block 9, so that the heat that IGBT module 7 generates is with most quickly
Degree be transferred on water-cooled block 9, the bottom end of 1 inner cavity of controller housing and be located at IGBT module 7 lower section be fixedly connected with support plate
8, the front of support plate 8 is fixedly installed with water-cooled block 9, and the coolant liquid inlet of water-cooled block 9 is located at close to the top of support plate 8,
Guarantee quickly to reduce preferentially to carry out heat exchange absorption to the heat generated in IGBT module 7 in the cryogenic liquid of water cooling tube 12
The temperature of IGBT module 7, to guarantee that IGBT module 7 works normally, one end of 2 inner cavity of heat dissipation tank is fixedly installed with water pump 10,
Heat dissipation tank 2, which is located in the siding of 10 side of water pump, is embedded with heat exchanger 11, and the gap between heat exchanger 11 and controller housing 1 is logical
The interference fit of rubber sleeve 14 is crossed, so that rubber sleeve 14 heat exchanging device 11 has certain antidetonation buffering effect, and heat exchanger 11
The other end protrudes into the inside of controller housing 1, and water-cooled block 9, the inlet of water pump 10 and heat exchanger 11 and liquid outlet pass through respectively
Water cooling tube 12 is connected to, and the outer wall that water cooling tube 12 is located in controller housing 1 is enclosed with water-absorbing sponge layer, water-absorbing sponge layer
Material is polyurethane foam cotton, and water cooling tube 12 uses silicon rubber hose, the spy that polyurethane foam cotton has heat-resisting water absorbing properties good
Point, at the first time carries out leakage at the case where can effectivelying prevent water cooling tube 12 in car running process because of unexpected unexpected leakage
Thoroughly absorption, to protect phenomenon of the PCB circuit board 5 not by leakage short circuit, controller housing 1 is located at the siding at heat exchanger 11
It is inside embedded with thermal insulation board 13, heat exchanger 11 and 1 junction of controller housing are equipped with rubber sleeve 14, and the left and right ends of heat exchanger 11 are equal
Be fixedly connected with oblong slots mounting seat 15, the internal slide of oblong slots mounting seat 15 is connected with bolt 16, bolt 16 it is another
One end is threadedly coupled with the front of controller housing 1, is consolidated using oblong slots mounting seat 15 and 16 heat exchanging device 11 of bolt
Dingan County's dress, while the oblong slots of oblong slots mounting seat 15 being made to be oriented automobile head direction, so as to guarantee heat exchanger
11 displacement buffering effect.
When work, start water pump 10, cryogenic liquid is imported in water-cooled block 9 by water cooling tube 12, IGBT module 7 generates
After a large amount of heat is had the heat pad of 9 bottom of water-cooled block and cryogenic liquid heat exchange, then heat exchanger 11 is guided the coolant into, led to
It crosses heat exchanger 11 and heat exchange cooling is carried out to coolant liquid, coolant liquid is again introduced into the recycling of water pump 10 after cooling, and heat exchanger 11 exchanges heat
The heat obtained afterwards is dissipated on the shell of heat dissipation tank 2 by the cooling mechanism of heat exchanger 11, then is distributed, entire radiation processes
In, thermal insulation board 13 is obstructed the heat in heat dissipation tank 2 and controller housing 1, prevents heat crossfire.
In conclusion the water-cooling structure of the electric machine controller, by the inside of controller housing 1 and positioned at IGBT module
Water-cooled block 9 is arranged in 7 surface, so that the water-cooling circulating system that water pump 10, water-cooled block 9, heat exchanger 11 and water cooling tube 12 form
It is directly radiated to IGBT module 7, thus by IGBT module 7 and electric machine controller and magnetism servo-electric motor water-cooling composition integration knot
System thermal resistance is effectively reduced in structure, guarantees the stability of system operation；It is inhaled by using the water cooling tube 12 in controller housing 1
Water sponge wrapping can effectively occur for the fortuitous event of water-cooling system leakage, leakage is caused not generate to PCB circuit board 5
Leakage risk, meanwhile, the package of water-absorbing sponge can effectively prevent coolant liquid before without water-cooled block 9 first to controller housing
The case where heat in 1 is adsorbed, to ensure that water-cooling system to the preferential heat dissipation performance of IGBT module 7；Solve by
It is the cooling fin that heat is reached to tank surface by air in cabinet in IGBT module, radiating efficiency is low, but also can be with
Cabinet working environment temperature increase and reduce heat dissipation capacity so that system thermal resistance continue it is higher, influence system operation
Problem.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (6)
1. a kind of water-cooling structure of electric machine controller, including controller housing (1), it is characterised in that：The controller housing (1)
Bottom end be fixedly installed with heat dissipation tank (2), the top of controller housing (1) inner cavity is fixedly installed with thin film capacitor ontology
(3), the two sides of controller housing (1) inner cavity are fixedly connected to support plate (4), and the front of the support plate (4) passes through
Screw is fixedly installed with PCB circuit board (5), and the positive side of the PCB circuit board (5) is fixedly installed with IGBT drive circuit plate
(6) it is electrically connected with IGBT module (7), the output end of the IGBT drive circuit plate (6) with the input terminal of IGBT module (7), institute
It states the bottom end of controller housing (1) inner cavity and is located at below IGBT module (7) and be fixedly connected with support plate (8), the support
The front of plate (8) is fixedly installed with water-cooled block (9), and one end of heat dissipation tank (2) inner cavity is fixedly installed with water pump (10), described
Heat dissipation tank (2), which is located in the siding of water pump (10) side, to be embedded with heat exchanger (11), and the other end of heat exchanger (11) protrudes into control
The inside of device shell (1) processed, the inlet and liquid outlet of the water-cooled block (9), water pump (10) and heat exchanger (11) pass through respectively
Water cooling tube (12) connection, the controller housing (1), which is located in the siding at heat exchanger (11), is embedded with thermal insulation board (13), described
Heat exchanger (11) and controller housing (1) junction are equipped with rubber sleeve (14), and the left and right ends of the heat exchanger (11) are fixed
It is connected with oblong slots mounting seat (15), the internal slide of the oblong slots mounting seat (15) is connected with bolt (16), described
The other end of bolt (16) is threadedly coupled with the front of controller housing (1).
2. a kind of water-cooling structure of electric machine controller according to claim 1, it is characterised in that：The IGBT module (7)
Front and the back side of water-cooled block (9) between equipped with thermal conductive silicon fat pad.
3. a kind of water-cooling structure of electric machine controller according to claim 1, it is characterised in that：Water cooling tube (12) position
It is enclosed with water-absorbing sponge layer in the outer wall in controller housing (1), the material of water-absorbing sponge layer is polyurethane foam cotton, institute
Water cooling tube (12) are stated using silicon rubber hose.
4. a kind of water-cooling structure of electric machine controller according to claim 1, it is characterised in that：The heat dissipation tank (2)
Tank material is aluminium, and the bottom end of heat dissipation tank (2) is equipped with ripple glaze.
5. a kind of water-cooling structure of electric machine controller according to claim 1, it is characterised in that：The water-cooled block (9)
Coolant liquid inlet is located at close to the top of support plate (8).
6. a kind of water-cooling structure of electric machine controller according to claim 1, it is characterised in that：The heat exchanger (11) with
Gap between controller housing (1) is interference fitted by rubber sleeve (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820861754.XU CN208175231U (en) | 2018-06-05 | 2018-06-05 | A kind of water-cooling structure of electric machine controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820861754.XU CN208175231U (en) | 2018-06-05 | 2018-06-05 | A kind of water-cooling structure of electric machine controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208175231U true CN208175231U (en) | 2018-11-30 |
Family
ID=64365000
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820861754.XU Expired - Fee Related CN208175231U (en) | 2018-06-05 | 2018-06-05 | A kind of water-cooling structure of electric machine controller |
Country Status (1)
| Country | Link |
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| CN (1) | CN208175231U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112135032A (en) * | 2020-10-20 | 2020-12-25 | 攀枝花恒威化工有限责任公司 | Monitoring device for explosive storehouse and using method thereof |
| CN112867347A (en) * | 2020-12-31 | 2021-05-28 | 徐州科亚机电有限公司 | Water cooling device of electric vehicle controller |
| CN114391211A (en) * | 2020-08-17 | 2022-04-22 | 华为数字能源技术有限公司 | Conduction piece, liquid cooling conductive structure, motor and electric automobile power assembly |
-
2018
- 2018-06-05 CN CN201820861754.XU patent/CN208175231U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114391211A (en) * | 2020-08-17 | 2022-04-22 | 华为数字能源技术有限公司 | Conduction piece, liquid cooling conductive structure, motor and electric automobile power assembly |
| CN112135032A (en) * | 2020-10-20 | 2020-12-25 | 攀枝花恒威化工有限责任公司 | Monitoring device for explosive storehouse and using method thereof |
| CN112867347A (en) * | 2020-12-31 | 2021-05-28 | 徐州科亚机电有限公司 | Water cooling device of electric vehicle controller |
| CN112867347B (en) * | 2020-12-31 | 2022-05-03 | 徐州科亚机电有限公司 | Water cooling device of electric vehicle controller |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181130 Termination date: 20210605 |
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| CF01 | Termination of patent right due to non-payment of annual fee |