CN206584918U - A kind of IGBT coolers for electric machine controller - Google Patents
A kind of IGBT coolers for electric machine controller Download PDFInfo
- Publication number
- CN206584918U CN206584918U CN201720273382.4U CN201720273382U CN206584918U CN 206584918 U CN206584918 U CN 206584918U CN 201720273382 U CN201720273382 U CN 201720273382U CN 206584918 U CN206584918 U CN 206584918U
- Authority
- CN
- China
- Prior art keywords
- cooling
- igbt
- surface plate
- electric machine
- machine controller
- 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.)
- Expired - Fee Related
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- Cooling Or The Like Of Electrical Apparatus (AREA)
- Cooling Or The Like Of Semiconductors Or Solid State Devices (AREA)
Abstract
The utility model discloses a kind of IGBT coolers for electric machine controller, in the housing of electric machine controller, including cooling surface plate and IGBT substrate, IGBT substrate is in cooling surface plate, the downside of cooling surface plate is located in the cooling water channel of housing provided with cooling pin, cooling pin.Benefit of the present utility model is the radiator that intensive cooling pin is preformed with by fashion of extrusion, IGBT is in cooling surface plate, heat is led into cooling surface plate, heat exchange is directly carried out with intensive cooling pin and the cooling water in cooling water channel of cooling surface plate one.IGBT cooling effectiveness can greatly be improved, enables IGBT module trouble free service, the service life of electric machine controller is improved.
Description
Technical field
The utility model is related to IGBT field of radiating, especially a kind of IGBT coolers for electric machine controller.
Background technology
IGBT is the english abbreviation of insulated gate bipolar transistor, is by double pole triode and insulating gate type field effect tube
Into compound full-control type voltage driven type power semiconductor, often and FWD（Fly-wheel diode chip）Pass through specific circuit
The modularized semiconductor product of bridged encapsulation；IGBT module after encapsulation directly applies to frequency converter, UPS uninterrupted power sources
Etc. in equipment.IGBT module in the course of work can a large amount of heat production, in order that IGBT module be capable of safety work, IGBT work
Junction temperature have to be lower than the maximum junction temperature of permission, not only it needs to be ensured that simultaneously under excess load abnormality in rated range
It should be ensured that.
Methods for cooling at present in electric machine controller product on the market is varied, but is due to the limitation of casting level,
Generally existing cooling capacity is not enough.Traditional cooling scheme is that rheo-die-casting goes out cooling fins, IGBT peaces in housing cooling water channel
On housing, the heat on IGBT is led on fin by housing, and fin carries out heat exchange with cooling water, and cooling capacity is weak.
For example, in Chinese patent literature, Authorization Notice No. is 205453379U, authorized announcement date is August 10 in 2016
Disclose the utility model patent of entitled " a kind of electric machine controller " day, the utility model includes the cover plate and shell linked together
Body, is sealed between cover plate and housing using rubber weather strip, and the bottom surface and side of housing are respectively equipped with radiation tooth, cover plate
Provided with air bleeding valve and five wiring holes；Power amplifier board, power panel and control panel, power amplifier board are provided with the inner chamber of cover plate and housing composition
It is connected to by power amplifier board screw and insulation sleeve on the inner chamber bottom surface of housing, power panel is connected with power amplifier board, control panel and power supply
Plate is located at the top of power amplifier board using 90 ° of curved row's pin electrical connections, power panel, and control panel is located at the top lateral location of power panel.
It is disadvantageous in that motor is by the radiation tooth wind-cooling heat dissipating on housing, and radiating efficiency is low.
In order to overcome the shortcomings of that the heat-sinking capability of the IGBT inside prior art motor controller is weak, a kind of heat radiation energy is designed
The cooler for being used for IGBT inside electric machine controller of power by force is just necessary.
Utility model content
The utility model will overcome the IGBT in motor in the prior art to be radiated by the fin on housing, and radiating efficiency is low
Under deficiency there is provided a kind of IGBT coolers for electric machine controller, IGBT cooling effectiveness can be improved.
In order to achieve the above object, the utility model uses following technical scheme.
A kind of IGBT coolers for electric machine controller, in the housing of electric machine controller, including cooling surface plate and
IGBT substrate, IGBT substrate is located in cooling surface plate, and the downside of cooling surface plate is provided with cooling pin, and cooling pin is located at the cold of housing
But in water channel.
The radiator of intensive cooling pin is preformed with by fashion of extrusion, IGBT is in cooling surface plate, by heat
Cooling surface plate is led, heat exchange is directly carried out with intensive cooling pin and the cooling water in cooling water channel of cooling surface plate one.
IGBT cooling effectiveness can greatly be improved, enables IGBT module trouble free service, the service life of electric machine controller is improved.
Preferably, the periphery of cooling pin is provided with the cooling fin of strip.
Cooling fin can increase area of dissipation, while guide functions are played, when cooling water is flowing between cooling down pin, cooling
The cooled fin of water constrains in the bottom of cooling surface plate, can help through IGBT Homogeneouslly-radiating, so as to play raising radiating effect
The purpose of rate.
Preferably, the bottom surface of IGBT substrate is fitted with the upper side of cooling surface plate.Increase area of dissipation, improve radiating effect
Rate.
Preferably, the edge that cooling surface plate is contacted with housing is provided with sealing ring.Cooling water channel and IGBT are kept completely separate,
Ensure that IGBT working environment is dried, improve IGBT ability to work.
Preferably, four angles of cooling surface plate are respectively equipped with screw hole, cooling surface plate is fixed by screws on housing.
The fixation of cooling surface plate is completed, makes whole cooling device and housing formation fixed structure, it is convenient to install,
It is of the present utility model to be beneficial in that：IGBT cooling effectiveness can greatly be improved, enables IGBT module
Trouble free service, improves the service life of electric machine controller；The cooled fin of cooling water constrains in the bottom of cooling surface plate, can help
IGBT Homogeneouslly-radiating is completed, so as to play the purpose for improving radiating efficiency.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation of cooling surface plate in the utility model.
In figure：The cooling cooling of pin 11 12 screw hole of fin, 13 housing, 2 IGBT substrates 3 of cooling surface plate 1 are close
Seal 4.
Embodiment
The utility model is further described with specific embodiment below in conjunction with the accompanying drawings.
In Fig. 1, a kind of IGBT coolers for electric machine controller, in the housing 2 of electric machine controller, including cooling
Panel 1 and IGBT substrate 3, four angles of cooling surface plate 1 are respectively equipped with screw hole 13, and cooling surface plate 1 connects 2 tactile edges with housing
Provided with sealing ring 4, cooling surface plate 1 is fixed by screws on housing 2.
IGBT substrate 3 is located in cooling surface plate 1, and the bottom surface of IGBT substrate 3 is fitted with the upper side of cooling surface plate 1.Such as Fig. 1
With shown in Fig. 2, the downside of cooling surface plate 1 is provided with cooling pin 11, and cooling pin 11 is located in the cooling water channel 21 of housing 2.Cooling
On panel 1, the cooling that outer two side boundaries for being trapped among the width of cooling surface plate 1 of cooling pin 11 are respectively equipped with strip is convex
Rib 12.
The radiator of intensive cooling pin 11 is preformed with by fashion of extrusion, IGBT is in cooling surface plate 1, by heat
Amount leads cooling surface plate 1, and heat is directly carried out with intensive cooling pin 11 and the cooling water in cooling water channel of the one of cooling surface plate 1
Exchange.IGBT cooling effectiveness can greatly be improved, enables IGBT module trouble free service, the use of electric machine controller is improved
Life-span.
Claims (5)
1. a kind of IGBT coolers for electric machine controller, in the housing of electric machine controller, it is characterized in that, including cooling
Panel and IGBT substrate, IGBT substrate are located in cooling surface plate, and the downside of cooling surface plate is provided with cooling pin, and cooling pin is located at shell
In the cooling water channel of body.
2. a kind of IGBT coolers for electric machine controller according to claim 1, it is characterized in that, the cooling surface plate
Periphery provided with cooling pin is provided with the cooling fin of strip.
3. a kind of IGBT coolers for electric machine controller according to claim 1, it is characterized in that, the IGBT substrate
Bottom surface fitted with the upper side of cooling surface plate.
4. a kind of IGBT coolers for electric machine controller according to claim 1 or 3, it is characterized in that, the cooling
The edge that panel is contacted with housing is provided with sealing ring.
5. a kind of IGBT coolers for electric machine controller according to claim 1, it is characterized in that, the cooling surface plate
Four angles be respectively equipped with screw hole, cooling surface plate is fixed by screws on housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720273382.4U CN206584918U (en) | 2017-03-20 | 2017-03-20 | A kind of IGBT coolers for electric machine controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720273382.4U CN206584918U (en) | 2017-03-20 | 2017-03-20 | A kind of IGBT coolers for electric machine controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206584918U true CN206584918U (en) | 2017-10-24 |
Family
ID=60114670
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720273382.4U Expired - Fee Related CN206584918U (en) | 2017-03-20 | 2017-03-20 | A kind of IGBT coolers for electric machine controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206584918U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020019183A1 (en) * | 2018-07-25 | 2020-01-30 | 深圳市大疆创新科技有限公司 | Heat dissipation structure for controller, and controller |
-
2017
- 2017-03-20 CN CN201720273382.4U patent/CN206584918U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020019183A1 (en) * | 2018-07-25 | 2020-01-30 | 深圳市大疆创新科技有限公司 | Heat dissipation structure for controller, and 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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171024 Termination date: 20200320 |