CN109640601A - A kind of radiator cooling with medium, and the air conditioning frequency converter with the radiator, electronic equipment - Google Patents
A kind of radiator cooling with medium, and the air conditioning frequency converter with the radiator, electronic equipment Download PDFInfo
- Publication number
- CN109640601A CN109640601A CN201910098027.1A CN201910098027A CN109640601A CN 109640601 A CN109640601 A CN 109640601A CN 201910098027 A CN201910098027 A CN 201910098027A CN 109640601 A CN109640601 A CN 109640601A
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- Prior art keywords
- medium
- radiator
- cooling
- heat
- heat exchange
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Classifications
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2089—Modifications to facilitate cooling, ventilating, or heating for power electronics, e.g. for inverters for controlling motor
- H05K7/20927—Liquid coolant without phase change
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Power Engineering (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The present invention relates to field more particularly to a kind of radiators cooling with medium, and the air conditioning frequency converter with the radiator, electronic equipment.A kind of radiator cooling with medium, including radiator casing；The radiator casing is equipped with cooling medium inlet and cooling medium exports, and the media for heat exchange channel of connection cooling medium inlet and cooling medium outlet is equipped with inside radiator casing；A part of the radiator casing body sidewall constitutes the heat-transfer surface for connecting pyrotoxin.The media for heat exchange channel constituted in the radiator scheme cooled down with medium, it can be uniformly distributed in inside entire radiator casing, and do not need by copper pipe circuit number limit, can so cover entire heat exchange area comprehensively, promote heat transfer effect and guarantee that heat exchange is uniform.
Description
Technical field
The present invention relates to field more particularly to a kind of radiators cooling with medium, and the air-conditioning with the radiator
Frequency converter, electronic equipment.
Background technique
Currently, there are many heat generating components, the heat of these heat generating components to need timely and effectively to be dissipated for meeting in electric appliance
Hair, timely and effectively distributes the using effect and service life that influence whether electric appliance if cannot access.Such as led in electronic equipment
In domain, in order to control the temperature of electronic component within the scope of a suitable temperature, it will usually on electronic component surface
A radiator is fixed, using the fin on radiator by heat to external diffusion, and then reduces the temperature of electronic component.Or
In field of air conditioning, converter module plays the role of a power conversion and amplification in entire frequency converter, wherein due to switch
The resistance of loss and module itself, can generate heat, and the corresponding power of the assembling unit of frequency converter is bigger in the work course, send out
Heat is bigger, if these heats are not to be released in time, will affect module performance or even burns out module.
Currently, common radiating mode mainly has fan forced convection heat dissipation, cooling fin heat loss through radiation, heat-dissipating pipe in industry
Heat dissipation and this several class of water-cooling.Under opposite, water cooling method has better heat-radiation effect, and the noise of generation is smaller excellent
Gesture.But current water cooling method mostly uses refrigerant pipeline+heat dissipation board-like, i.e., pyrotoxin passes through heat conductive silica gel for heat transfer
To heat sink, the copper pipe of carrying main refrigerant circuit is buried in heat sink, is finally taken away heat by the refrigerant in copper pipe.But it is this kind of
Structure is limited by the use of copper pipe and heat conductive silica gel, it is contemplated that cost and process complexity (such as copper pipe detour tube side length), because
And there is heat dissipation unevenly in this radiator, heat dissipation effect is bad, and the higher shortcoming of cost of manufacture.
Summary of the invention
To solve the above-mentioned problems, the first object of the present invention is to provide a kind of radiator cooling with medium, the use
The media for heat exchange channel constituted in the cooling radiator scheme of medium, can be uniformly distributed in inside entire radiator casing, and
Do not need by copper pipe circuit number limit, can so cover entire heat exchange area comprehensively, promote heat transfer effect and guarantee
Heat exchange is uniform.The second object of the present invention is to provide a kind of air conditioning frequency converter, which has above-mentioned radiator.This
The third of invention is designed to provide a kind of electronic equipment, which has above-mentioned radiator.
In order to achieve the above purpose, present invention employs technical solutions below:
A kind of radiator cooling with medium, including radiator casing；It is characterized by: the radiator casing is equipped with
Cooling medium inlet and cooling medium outlet, radiator casing inside are equipped with connection cooling medium inlet and cooling medium outlet
Media for heat exchange channel；A part of the radiator casing body sidewall constitutes the heat-transfer surface for connecting pyrotoxin.
Preferably, the heat-transfer surface is the plane for being in close contact directly or by heat-conducting medium and pyrotoxin.It should
In technical solution, contact area can be made even closer using plane, guarantee heat transfer efficiency.Further, the inside of heat-transfer surface
Wall surface constitutes a part of medium runner, carries out heat exchange, improving heat exchanging efficiency with cooling medium.
Preferably, be equipped with the assignment channel communicated with cooling medium inlet inside the radiator casing, and with it is cold
But the collection channel that media outlet communicates；The both ends connection assignment channel and collection channel in the media for heat exchange channel.
Preferably, it is a plurality of mutually only for being equipped with first partition inside the radiator casing for media for heat exchange channel partition
Vertical medium runner；Medium runner is linear, fold-line-shaped or corrugated.In the present solution, being more by media for heat exchange channel partition
The mutually independent medium runner of item, can be oriented to cooling medium；A plurality of Jie is flowed into after the distribution of above-mentioned assignment channel
In mass flow road, keep the media for heat exchange in entire media for heat exchange channel uniform.
Preferably, the media for heat exchange channel includes a plurality of medium runner in netted intersection；It can make cooling medium
Turbulent flow and turbulent flow are formed in medium runner, so that the thermal stratification of medium be made to be disturbed, heat transfer effect is greatly promoted.
Preferably, the radiator casing is made of two pieces of housing unit docking, the inside docking of two pieces of housing units
Mutually independent multiple medium runners are equipped on face；Medium when two pieces of housing unit composite joints, on two pieces of housing units
Runner is in netted intersection.On the scheme basis that the medium runner of netted intersection constitutes media for heat exchange channel, further limit
How the medium runner of above-mentioned netted intersection is realized, two pieces of housing unit composite joints are used in scheme, make separate housing unit
Above mutually independent medium runner is staggeredly constituted netted, and generally housing unit integral production can be obtained, this scheme simplifies knot
Structure, improving production efficiency.
Preferably, the radiator casing is made of two pieces of housing unit docking, the inside of one of housing unit
Interface is equipped with the medium runner of a plurality of netted intersection.The program makes the medium of netted intersection on monolithic shell unit
Then runner docks with another housing unit and constitutes radiator casing.
Preferably, be equipped with second partition inside the radiator casing, second partition is by cooling medium inlet and cooling
Media for heat exchange channel partition between media outlet is multiple circuitous channel sections.In this scheme, separate to obtain by second partition
Multiple circuitous channel sections increase tube side of the cooling medium in radiator casing body, also extend cooling medium in radiator casing
Internal heat-exchange time, to guarantee heat transfer effect.
Preferably, being equipped with third partition inside the radiator casing, circuitous channel section is divided into more by third partition
The mutually independent medium runner of item.On the above-mentioned scheme basis for making cooling medium multiple detour heat exchange, further using the
Circuitous channel section is divided into a plurality of mutually independent medium runner, in contrast, the cooling medium in medium runner by three partitions
Thermal stratification it is smaller, heat exchange efficiency is more preferable.
A kind of air conditioning frequency converter, which is characterized in that including a kind of heat dissipation cooling with medium described in any one of as above
Device.
A kind of electronic equipment, which is characterized in that including a kind of radiator cooling with medium described in any one of as above.
The present invention by adopting the above technical scheme, a kind of radiator cooling with medium of above-mentioned technical proposal, and having should
Air conditioning frequency converter, the electronic equipment of radiator.Media for heat exchange channel is directly constituted in the radiator, inside radiator casing, and
With cooling medium inlet and the entire heat transferring medium path of cooling medium export mixes, in use, cooling medium flows into above-mentioned heat exchange
Out of radiator is taken heat in media for heat exchange channel.Compared to the scheme for using copper pipe to constitute medium channel in traditional scheme, the party
Case omits copper pipe and has to the heat conductive silica gel used, reduces costs.Also, it in contrast, is constituted in the program
Media for heat exchange channel can be uniformly distributed in inside entire radiator casing, and not need to be limited by the number in copper pipe circuit, such as
This can cover entire heat exchange area comprehensively, promote heat transfer effect and guarantee that heat exchange is uniform.
Detailed description of the invention
Fig. 1 is the radiator positive structure schematic cooling with medium.
Fig. 2 is the radiator side structure schematic diagram cooling with medium.
Fig. 3 is the radiator top surface structure schematic diagram cooling with medium.
Fig. 4 is the first embodiment of radiator in embodiment 1.
Fig. 5 is second of embodiment of radiator in embodiment 1.
Fig. 6 is the housing unit schematic diagram in second of embodiment shown in fig. 5.
Fig. 7 is the first embodiment of radiator in embodiment 2.
Fig. 8 is second of embodiment of radiator in embodiment 2.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to is used to explain the present invention, and is not considered as limiting the invention.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", " clockwise ", " inverse
The orientation or positional relationship of the instructions such as hour hands " is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description originally
Invention and simplified description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with specific side
Position construction and operation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more of the features.In the description of the present invention, unless otherwise indicated, the meaning of " plurality " is two
It is a or more than two, unless otherwise restricted clearly.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can be machine
Tool connection, is also possible to be electrically connected；It can be directly connected, two members can also be can be indirectly connected through an intermediary
Connection inside part.For the ordinary skill in the art, above-mentioned term can be understood in this hair as the case may be
Concrete meaning in bright.
In the present invention unless specifically defined or limited otherwise, fisrt feature second feature "upper" or "lower"
It may include that the first and second features directly contact, also may include that the first and second features are not direct contacts but pass through it
Between other characterisation contact.Moreover, fisrt feature includes the first spy above the second feature " above ", " above " and " above "
Sign is right above second feature and oblique upper, or is merely representative of first feature horizontal height higher than second feature.Fisrt feature exists
Second feature " under ", " lower section " and " following " include that fisrt feature is directly below and diagonally below the second feature, or is merely representative of
First feature horizontal height is less than second feature.
Embodiment 1:
A kind of radiator cooling with medium as shown in figs. 1 to 6, including radiator casing 1.The radiator casing 1
Be equipped with cooling medium inlet 11 and cooling medium outlet 12, be equipped with inside radiator casing 1 connection cooling medium inlet 11 with
The media for heat exchange channel of cooling medium outlet 12.In scheme as shown in the figure, it is equipped with and cooling inside the radiator casing 1
The assignment channel 13 that medium entrance 11 communicates, and the collection channel 14 communicated with cooling medium outlet 12, media for heat exchange channel
Both ends connection assignment channel 13 and collection channel 14.Above-mentioned cooling medium inlet 11 can be ipsilateral with cooling medium outlet 12
Arrangement or heteropleural arrangement, but medium process must not short circuit (i.e. cooling medium does not pass through media for heat exchange channel and flows directly out).At it
In a kind of middle embodiment, as shown in figure 4, being equipped with first partition 15 inside the radiator casing 1 for media for heat exchange channel point
It is divided into a plurality of mutually independent medium runner 16, medium runner 16 shown in figure is linear, naturally it is also possible to by medium flow field
Road 16 is set as fold-line-shaped or corrugated, by the shape for changing first partition 15.In the program, by media for heat exchange channel
It is divided into a plurality of mutually independent medium runner 16, cooling medium can be oriented to.Through above-mentioned 13 distribution of assignment channel
After flow into a plurality of medium runner 16, keep the media for heat exchange in entire media for heat exchange channel uniform.In an alternate embodiment
In, as shown in figure 5, the media for heat exchange channel includes a plurality of medium runner 16 in netted intersection, cooling medium can be made to exist
Turbulent flow and turbulent flow are formed in medium runner 16, so that the thermal stratification of medium be made to be disturbed, heat transfer effect is greatly promoted.Above-mentioned net
The medium runner 16 that shape intersects can be separated by the way that the docking point that multiple composite weldings inside radiator casing 1 are constituted is arranged in
Form, if the docking point after compound is in similar rectangular arrangement, the medium runner 16 between docking point in honeycomb shape or
Other irregular shapes.In another scheme, the radiator casing is made of two pieces of housing unit docking, one of shell
The inside interface of body unit is equipped with the medium runner of a plurality of netted intersection；The program makes net on monolithic shell unit
Then the medium runner that shape intersects docks with another housing unit and constitutes radiator casing.It is as shown in FIG. 6 another more
It is that radiator casing 1 is made of two pieces of housing unit docking, on the inside interface of housing unit for superior technical solution
Equipped with mutually independent multiple medium runners 16.Medium runner when two pieces of housing unit composite joints, on two pieces of housing units
16 be in netted intersection.On the scheme basis that the medium runner 16 of netted intersection constitutes media for heat exchange channel, further limit
How the medium runner 16 of above-mentioned netted intersection is realized, two pieces of housing unit composite joints are used in scheme, make separate housing list
Mutually independent medium runner 16 is staggeredly constituted netted in member, generally housing unit integration production can be obtained, this scheme
Simplify structure, improving production efficiency.
A part of the housing sidewall of above-mentioned radiator casing 1 constitutes the heat-transfer surface 2 for connecting pyrotoxin 3, general next
It says, 2 area of heat-transfer surface contacted with pyrotoxin 3 is not less than the summation of all 3 heat transfer areas of pyrotoxin, i.e. 2 area of heat-transfer surface is big
In the thermal conductive surface area of pyrotoxin 3.When pyrotoxin is connected on the heat-transfer surface of radiator, heat is conducted first to radiator casing
On body, then brought by internal cooling medium to radiator.In general, being covered on the rest part 20 of radiator casing 1
There is thermal insulation material or directly exposed in air environment.In addition, the lateral surface of heat-transfer surface 2 is plane, for directly or by leading
Thermal medium and pyrotoxin 3 are in close contact.The outer side surface of heat-transfer surface 2 can make to contact for connecting pyrotoxin 3 using plane
Face is even closer, guarantees heat transfer efficiency.Further, the interior sidewall surface of heat-transfer surface constitutes a part of medium runner, with cooling
Medium carries out heat exchange, improving heat exchanging efficiency.
A kind of radiator cooling with medium of above-mentioned technical proposal in the radiator, directly constitutes inside radiator casing 1
Media for heat exchange channel, and entire heat transferring medium path is constituted with cooling medium inlet 11 and cooling medium outlet 12.In use,
Cooling medium flows into above-mentioned heat transferring medium heat exchanger channels and takes heat out of radiator.Copper pipe is used to constitute compared in traditional scheme
The scheme of medium channel, the program omit copper pipe and have to the heat conductive silica gel used, reduce costs.Also, compare it
Under, the media for heat exchange channel constituted in the program can be uniformly distributed in inside entire radiator casing, and not needed by copper
How much restrictions of tube loop can so cover entire heat exchange area comprehensively, promote heat transfer effect and guarantee that heat exchange is uniform.
Embodiment 2:
The present embodiment also relates to a kind of radiator cooling with medium, including radiator casing 1.The radiator casing
1 is equipped with cooling medium inlet 11 and cooling medium outlet 12, be equipped with inside radiator casing 1 connection cooling medium inlet 11 with
The media for heat exchange channel of cooling medium outlet 12.The present embodiment is identical as the principle of embodiment 1 and usage mode, and difference only exists
Structure in media for heat exchange channel is different.In embodiments, as shown in fig. 7, inside the radiator casing 1 be equipped with second every
Media for heat exchange channel partition between cooling medium inlet 11 and cooling medium outlet 12 is multiple circuitous by plate 18, second partition 18
Return channel section 19.In this scheme, cooling medium is increased by multiple circuitous channel sections 19 that the separation of second partition 18 obtains and is existed
Tube side in radiator casing 1 also extends cooling medium heat-exchange time in radiator casing 1, to guarantee heat transfer effect.
On above-mentioned basis, further preferred embodiment as shown in figure 8, be additionally provided with third partition 10 inside the radiator casing 1,
Circuitous channel section 19 is divided into a plurality of mutually independent medium runner 16 by third partition 10.Keep cooling medium repeatedly circuitous above-mentioned
It returns on the scheme basis of heat exchange, circuitous channel section 19 is further divided by a plurality of mutually independent Jie using third partition 10
Mass flow road 16, in contrast, the thermal stratification of the cooling medium in medium runner 16 is smaller, and heat exchange efficiency is more preferable.
Embodiment 3:
The present embodiment is related to a kind of electronic equipment, including as in embodiment 1 or a kind of described in embodiment 2 used medium
Cooling radiator.
Embodiment 4:
The present embodiment is related to a kind of air conditioning frequency converter, including as a kind of with being situated between in embodiment 1 or described in embodiment 2
The cooling radiator of matter.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not
Centainly refer to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be any
One or more embodiment or examples in can be combined in any suitable manner.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is not considered as limiting the invention, those skilled in the art are not departing from the principle of the present invention and objective
In the case where can make changes, modifications, alterations, and variations to the above described embodiments within the scope of the invention.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not
Centainly refer to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be any
One or more embodiment or examples in can be combined in any suitable manner.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is not considered as limiting the invention, those skilled in the art are not departing from the principle of the present invention and objective
In the case where can make changes, modifications, alterations, and variations to the above described embodiments within the scope of the invention.
Claims (11)
1. a kind of radiator cooling with medium, including radiator casing；It is characterized by: the radiator casing is equipped with cold
But medium entrance and cooling medium outlet, radiator casing inside are equipped with Jie of connection cooling medium inlet and cooling medium outlet
Matter heat exchanger channels；A part of the radiator casing body sidewall constitutes the heat-transfer surface for connecting pyrotoxin.
2. a kind of radiator cooling with medium according to claim 1, it is characterised in that: the heat-transfer surface is for straight
The plane for connecing or being in close contact by heat-conducting medium and pyrotoxin.
3. a kind of radiator cooling with medium according to claim 1, it is characterised in that: inside the radiator casing
The collection channel communicated is exported equipped with the assignment channel communicated with cooling medium inlet, and with cooling medium；The medium changes
The both ends connection assignment channel and collection channel of the passage of heat.
4. a kind of radiator cooling with medium according to claim 3, it is characterised in that: inside the radiator casing
Equipped with first partition by media for heat exchange channel partition be a plurality of mutually independent medium runner；Medium runner is linear, broken line
Shape is corrugated.
5. a kind of radiator cooling with medium according to claim 3, it is characterised in that: the media for heat exchange channel packet
Include a plurality of medium runner in netted intersection.
6. a kind of radiator cooling with medium according to claim 5, it is characterised in that: the radiator casing is by two
The docking of block housing unit is constituted, and is equipped with mutually independent multiple medium runners on the inside interface of two pieces of housing units；Two
When block housing unit composite joint, the medium runner that two pieces of housing units are constituted is in netted intersection.
7. a kind of radiator cooling with medium according to claim 5, it is characterised in that: the radiator casing is by two
The docking of block housing unit is constituted, and the inside interface of one of housing unit is equipped with the medium runner of a plurality of netted intersection.
8. a kind of radiator cooling with medium according to claim 1, it is characterised in that: inside the radiator casing
Equipped with second partition, the media for heat exchange channel partition between cooling medium inlet and cooling medium outlet is multiple by second partition
Circuitous channel section.
9. a kind of radiator cooling with medium according to claim 8, it is characterised in that: inside the radiator casing
Equipped with third partition, circuitous channel section is divided into a plurality of mutually independent medium runner by third partition.
10. a kind of air conditioning frequency converter, which is characterized in that including such as according to any one of claims 1 to 9 a kind of cold with medium
But radiator.
11. a kind of electronic equipment, which is characterized in that including such as according to any one of claims 1 to 9 a kind of cooling with medium
Radiator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910098027.1A CN109640601A (en) | 2019-01-31 | 2019-01-31 | A kind of radiator cooling with medium, and the air conditioning frequency converter with the radiator, electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910098027.1A CN109640601A (en) | 2019-01-31 | 2019-01-31 | A kind of radiator cooling with medium, and the air conditioning frequency converter with the radiator, electronic equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109640601A true CN109640601A (en) | 2019-04-16 |
Family
ID=66064512
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910098027.1A Pending CN109640601A (en) | 2019-01-31 | 2019-01-31 | A kind of radiator cooling with medium, and the air conditioning frequency converter with the radiator, electronic equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109640601A (en) |
Cited By (3)
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| CN112247415A (en) * | 2020-10-22 | 2021-01-22 | 湖南蓝天机器人科技有限公司 | Automatic welding backing plate |
| WO2021191191A1 (en) * | 2020-03-27 | 2021-09-30 | Valeo Systemes De Controle Moteur | Electronic system comprising a system for cooling an electrical device |
| WO2022246813A1 (en) * | 2021-05-28 | 2022-12-01 | 舍弗勒技术股份两合公司 | Power module having heat dissipation system, and inverter |
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| WO2021191191A1 (en) * | 2020-03-27 | 2021-09-30 | Valeo Systemes De Controle Moteur | Electronic system comprising a system for cooling an electrical device |
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| WO2022246813A1 (en) * | 2021-05-28 | 2022-12-01 | 舍弗勒技术股份两合公司 | Power module having heat dissipation system, and inverter |
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Address after: 313300, Huzhou Industrial Zone, Anji Economic Development Zone, Zhejiang, three Applicant after: Zhejiang Intech Technology Co., Ltd Address before: 313300, Huzhou Industrial Zone, Anji Economic Development Zone, Zhejiang, three Applicant before: EXTEK ENERGY EQUIPMENT (ZHEJIANG) Ltd. |