CN111614209A - Automatic temperature-adjusting heat-dissipating water channel applied to electric drive system - Google Patents
Automatic temperature-adjusting heat-dissipating water channel applied to electric drive system Download PDFInfo
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- CN111614209A CN111614209A CN202010660314.XA CN202010660314A CN111614209A CN 111614209 A CN111614209 A CN 111614209A CN 202010660314 A CN202010660314 A CN 202010660314A CN 111614209 A CN111614209 A CN 111614209A
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- channel
- cooling
- controller
- motor
- temperature
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/19—Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
- H02K11/30—Structural association with control circuits or drive circuits
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/20—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/19—Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil
- H02K9/20—Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil wherein the cooling medium vaporises within the machine casing
-
- 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
- H05K7/20218—Modifications to facilitate cooling, ventilating, or heating using a liquid coolant without phase change in electronic enclosures
- H05K7/20263—Heat dissipaters releasing heat from coolant
-
- 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
- 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
- H05K7/20936—Liquid coolant with phase change
-
- 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
- H05K7/20945—Thermal management, e.g. inverter temperature control
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Power Engineering (AREA)
- Motor Or Generator Cooling System (AREA)
Abstract
The invention discloses an automatic temperature-adjusting heat-dissipating water channel applied to an electric drive system, which comprises: the device comprises a first channel, a second channel, a controller, a motor, an electric regulating valve and a one-way valve; the first cooling liquid passes through the inside of the first channel, and the second cooling liquid which is lower in temperature than the first cooling liquid or easy to gasify and absorb heat passes through the inside of the second channel; the first cooling liquid in the first channel and the second cooling liquid in the second channel exchange heat; the first channel and the second channel pass through a controller and/or a motor; the electric regulating valve and the one-way valve are arranged on the second channel; the electric adjusting valve is connected with the controller and/or the motor and used for receiving temperature signals of the controller and/or the motor and automatically adjusting the size of the check valve according to the temperature signals. The valve size of the one-way valve on the second channel is automatically adjusted by the electric adjusting valve according to the temperature signal, so that the temperature stability of a motor or a controller in the electric driving system can be ensured.
Description
Technical Field
The invention belongs to the technical field of electric drive cooling, and relates to an automatic temperature-adjusting heat-dissipating water channel applied to an electric drive system.
Background
The controller and the motor share one heat dissipation water channel, cooling liquid firstly passes through the controller to dissipate heat of a power module in the controller and then enters the motor to dissipate heat of a stator winding in the motor, the cooling liquid absorbs the temperature in the controller and then enters the motor, and the heat dissipation effect of the cooling liquid is reduced; in addition, in different areas, the temperature of the cooling liquid is different, and in places with high temperature, the temperature of the cooling liquid is increased, which easily causes the internal temperature of the controller or the motor to be too high, and causes the module or the motor not to work normally.
Disclosure of Invention
The invention aims to: the automatic temperature-regulating heat-dissipating water channel applied to the electric drive system can keep the temperature in a controller or a motor stable.
The technical scheme of the invention is as follows: a self-regulating heat sink channel for use in an electric drive system, comprising: the device comprises a first channel, a second channel, a controller, a motor, an electric regulating valve and a one-way valve;
a first cooling liquid passes through the inside of the first channel, and a second cooling liquid which is lower in temperature than the first cooling liquid or is easy to gasify and absorb heat passes through the inside of the second channel; the first cooling liquid in the first channel and the second cooling liquid in the second channel exchange heat;
the first and second channels pass through the controller and/or the motor;
the electric regulating valve and the one-way valve are arranged on the second channel; the electric adjusting valve is connected with the controller and/or the motor and used for receiving temperature signals of the controller and/or the motor and automatically adjusting the size of the one-way valve according to the temperature signals.
The further technical scheme is as follows: the motor includes motor body and parcel the motor casing of motor body, motor casing is the binary channels structure, motor casing's inside includes first cooling channel and second cooling channel, the motor casing outside include by first cooling entry and first cooling outlet that first cooling channel's both ends were drawn forth and by second cooling entry and second cooling outlet that the both ends of second cooling channel were drawn forth.
The further technical scheme is as follows: the first cooling channel and the second cooling channel adopt at least one of a linear structure, a U-shaped structure and an S-shaped structure.
The further technical scheme is as follows: the first cooling channel and the second cooling channel are distributed at intervals or in an upper-lower layer type.
The further technical scheme is as follows: the controller includes power module and hugs closely power module's binary channels water-cooling board, binary channels water-cooling board's inside includes third cooling channel and fourth cooling channel, binary channels water-cooling board's outside include by third cooling entry and third cooling outlet and by that third cooling channel's both ends were drawn forth fourth cooling entry and fourth cooling outlet.
The further technical scheme is as follows: the third cooling channel and the fourth cooling channel adopt at least one of a linear structure, a U-shaped structure and an S-shaped structure.
The further technical scheme is as follows: and the third cooling channel and the fourth cooling channel are distributed at intervals or in an upper-lower layer type.
The further technical scheme is as follows: the size of the check valve is in positive correlation with the temperature of the controller and/or the motor.
The invention has the advantages that:
through letting in first coolant liquid to the inside of first passageway, let in the lower or easy gasified second coolant liquid of temperature to the inside of second passageway, the coolant liquid heat interchange in two passageways because the valve size of the check valve on the second passageway is by electric adjusting valve according to temperature signal automatically regulated to can guarantee the temperature stability of motor or controller in the electric drive system.
Drawings
The invention is further described with reference to the following figures and examples:
FIG. 1 is a schematic diagram of a dual channel controller according to an embodiment of the present disclosure;
FIG. 2 is a schematic diagram of the operation of a dual channel motor provided by one embodiment of the present application;
FIG. 3 is a schematic diagram of the operation of a dual channel controller and a dual channel motor according to an embodiment of the present application;
FIG. 4 is a schematic structural diagram of a motor provided in accordance with an embodiment of the present application;
fig. 5 is a schematic structural view of a motor housing provided in accordance with an embodiment of the present application;
FIG. 6 is a dual channel block diagram of a motor housing according to one embodiment of the present application;
FIG. 7 is a block diagram of a first cooling gallery provided in accordance with an embodiment of the present application;
FIG. 8 is a block diagram of a second cooling gallery provided in accordance with an embodiment of the present application;
FIG. 9 is a schematic diagram of a controller according to an embodiment of the present application;
FIG. 10 is a block diagram of a third cooling gallery provided in accordance with an embodiment of the present application;
FIG. 11 is a block diagram of a fourth cooling gallery provided in accordance with an embodiment of the present application;
FIG. 12 is a block diagram of a third cooling gallery provided in accordance with another embodiment of the present application;
FIG. 13 is a block diagram of a fourth cooling gallery provided in accordance with another embodiment of the present application.
Wherein: 1. a first channel; 2. a second channel; 3. a controller; 4. a motor; 5. an electrically operated regulating valve; 6. a one-way valve; 7. a motor housing; 71. a first cooling channel; 72. a second cooling channel; 73. a first cooling inlet; 74. a first cooling outlet; 75. a second cooling inlet; 76. a second cooling outlet; 8. a power module; 9. a double-channel water cooling plate; 91. a third cooling channel; 92. a fourth cooling channel; 93. a third cooling inlet; 94. a third cooling outlet; 95. a fourth cooling inlet; 96. and a fourth cooling outlet.
Detailed Description
Example (b): the application provides an automatic heat dissipation water course that adjusts temperature for among electric drive system combines to refer to fig. 1 to 3, and this automatic heat dissipation water course that adjusts temperature includes: the device comprises a first channel 1, a second channel 2, a controller 3, a motor 4, an electric adjusting valve 5 and a one-way valve 6.
A first cooling liquid passes through the inside of the first channel 1, and a second cooling liquid which is lower in temperature than the first cooling liquid or is easy to gasify and absorb heat passes through the inside of the second channel 2; the first cooling liquid in the first channel 1 and the second cooling liquid in the second channel 2 exchange heat; the first channel 1 and the second channel 2 pass through a controller 3 and/or a motor 4; the electric regulating valve 5 and the one-way valve 6 are arranged on the second channel 2; the electric adjusting valve 5 is connected with the controller 3 and/or the motor 4 and is used for receiving temperature signals of the controller 3 and/or the motor 4 and automatically adjusting the size of the check valve 6 according to the temperature signals.
As shown in fig. 1, the controller 3 adopts a dual-channel structure for cooling, the cooling liquid enters the first channel 1 in the controller 3 through the inlet to cool the module in the controller 3, when the temperature of the module is too high, the electric regulating valve 5 receives a temperature signal, the size of the valve of the one-way valve 6 is automatically regulated, the second channel 2 is started, the cooling liquid with lower temperature or the liquid which is easy to gasify and absorbs heat is arranged in the second channel 2, the liquid in the second channel 2 and the liquid in the first channel 1 perform heat exchange, and the temperature balance in the controller 3 is kept.
The controller 3 is internally provided with a double-cooling channel structure, cooling liquid with normal temperature is introduced into one channel, cooling liquid with relatively low temperature or cooling liquid easy to gasify is introduced into the other channel, and the heat of the liquid in the two channels is exchanged, so that the heat absorption capacity is enhanced, and the temperature in the electric drive system is kept stable. The opening size of the second channel 2 is controlled by the temperature in the controller 3, and the higher the temperature is, the larger the opening is, so that the temperature in the controller 3 is ensured to be stable.
As shown in fig. 2, the motor 4 is cooled by two channels, the cooling liquid enters the controller 3 through the inlet, the cooling liquid enters the first channel 1 of the motor 4 through the controller 3, the stator winding in the motor 4 is cooled, when the winding temperature is too high, the electric regulating valve 5 receives a temperature signal, the size of the check valve 6 is automatically regulated, the second channel 2 is started, the cooling liquid with lower temperature or the liquid which is easy to gasify and absorbs heat is arranged in the second channel 2, the liquid in the second channel 2 exchanges heat with the liquid in the first channel 1, and the temperature balance in the motor 4 is kept.
The motor 4 adopts a double-cooling channel structure, after the cooling liquid absorbs heat through the controller 3, the temperature is increased, through one channel of the two channels, the cooling liquid without temperature rise or the cooling liquid with lower temperature or the liquid easy to gasify passes through the other channel, and the heat of the liquid in the two channels is exchanged, so that the heat absorption capacity is enhanced, and the temperature stability in the electric driving system is kept. The opening size of the second channel 2 is controlled by the temperature in the motor 4, and the higher the temperature is, the larger the opening is, so that the temperature stability in the motor 4 is ensured.
As shown in fig. 3, the motor 4 and the controller 3 are both cooled by two channels, the cooling liquid enters the first channel 1 of the controller 3 through the inlet, enters the first channel 1 of the motor 4 through the first channel 1 of the controller 3, cools the module and the motor winding in the controller 3, when the temperature in the controller 3 or the temperature of the winding in the motor 4 is too high, the electric regulating valve 5 receives a temperature signal, automatically regulates the size of the check valve 6, starts the second channel 2, the cooling liquid with lower temperature or the liquid which is easy to vaporize and absorb heat is in the second channel, the liquid in the second channel 2 exchanges heat with the liquid 1 in the first channel, and the temperature balance between the controller 3 and the motor 4 is maintained.
The opening size of the second channel 2 is controlled by the temperature in the controller 3 and the temperature in the motor 4 at the same time, and the opening size is larger when the temperature is higher, so that the temperature stability in the controller 3 and the temperature stability in the motor 4 are ensured.
In practical application, the size of the check valve 6 is positively correlated with the temperature of the controller 3 and/or the motor 4.
The cooling liquid with relatively low temperature or the liquid easy to gasify is introduced into the input port, a valve controlled by a temperature signal is added, when the temperature is high, the valve is opened, when the temperature is normal, the valve is closed, and the size of the valve opening can be adjusted according to the change of the temperature.
Referring to fig. 4 to 8 in combination, the motor 4 includes a motor body and a motor housing 7 wrapping the motor body, the motor housing 7 has a double-channel structure, the interior of the motor housing 7 includes a first cooling channel 71 and a second cooling channel 72, and the exterior of the motor housing 7 includes a first cooling inlet 73 and a first cooling outlet 74 from both ends of the first cooling channel 71 and a second cooling inlet 75 and a second cooling outlet 76 from both ends of the second cooling channel 72.
Alternatively, the first cooling channel 71 and the second cooling channel 72 may have at least one of a straight structure, a U-shaped structure, and an S-shaped structure.
Illustratively, the first cooling channel 71 shown in FIG. 7 is a straight configuration and the second cooling channel 72 shown in FIG. 8 is a straight configuration.
Optionally, the first cooling channel 71 and the second cooling channel 72 are distributed in a spaced manner or in an upper-lower layer manner.
With combined reference to fig. 9 to 13, the controller 3 includes a power module 8 and a two-channel water-cooling plate 9 closely attached to the power module 8, an inside of the two-channel water-cooling plate 9 includes a third cooling channel 91 and a fourth cooling channel 92, and an outside of the two-channel water-cooling plate 9 includes a third cooling inlet 93 and a third cooling outlet 94 led from both ends of the third cooling channel 91 and a fourth cooling inlet 95 and a fourth cooling outlet 96 led from both ends of the fourth cooling channel 92.
Alternatively, the third cooling channel 91 and the fourth cooling channel 92 may have at least one of a straight structure, a U-shaped structure, and an S-shaped structure.
Illustratively, the third cooling channel 91 in fig. 10 is a straight structure, the fourth cooling channel 92 in fig. 11 is a straight structure, the third cooling channel 91 in fig. 12 is a U-shaped structure, and the fourth cooling channel 92 in fig. 13 is a U-shaped structure.
Optionally, the third cooling channel 91 and the fourth cooling channel 92 are distributed at intervals or in an upper-lower layer type.
In practical applications, the first cooling channel 71 and the third cooling channel 91 form part of the first channel 1, and the second cooling channel 72 and the fourth cooling channel 92 form part of the second channel 2.
To sum up, what this application provided is applied to automatic temperature regulation heat dissipation water course among the electric drive system lets in first coolant liquid through the inside to first passageway, lets in the lower or easy gasified second coolant liquid of temperature to the inside of second passageway, and the coolant liquid heat interchange in two passageways because the valve size of the check valve on the second passageway is by electric adjusting valve according to temperature signal automatically regulated to can guarantee the temperature stability of the motor in the electric drive system or controller.
The terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying a number of the indicated technical features. Thus, a defined feature of "first", "second", may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless otherwise specified.
The above-mentioned serial numbers of the embodiments of the present application are merely for description and do not represent the merits of the embodiments.
The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.
Claims (8)
1. The utility model provides an automatic heat dissipation water course that adjusts temperature for among electric drive system which characterized in that includes: the device comprises a first channel, a second channel, a controller, a motor, an electric regulating valve and a one-way valve;
a first cooling liquid passes through the inside of the first channel, and a second cooling liquid which is lower in temperature than the first cooling liquid or is easy to gasify and absorb heat passes through the inside of the second channel; the first cooling liquid in the first channel and the second cooling liquid in the second channel exchange heat;
the first and second channels pass through the controller and/or the motor;
the electric regulating valve and the one-way valve are arranged on the second channel; the electric adjusting valve is connected with the controller and/or the motor and used for receiving temperature signals of the controller and/or the motor and automatically adjusting the size of the one-way valve according to the temperature signals.
2. The water channel of claim 1, wherein the electric machine includes a body and a housing enclosing the body, the housing has a dual-channel structure, the housing includes a first cooling channel and a second cooling channel inside, and the housing includes a first cooling inlet and a first cooling outlet from two ends of the first cooling channel and a second cooling inlet and a second cooling outlet from two ends of the second cooling channel outside.
3. The self-regulating cooling waterway according to claim 2, wherein the first cooling channel and the second cooling channel are at least one of straight, U-shaped, and S-shaped.
4. The self-regulating cooling water channel for use in an electric drive system according to claim 3, wherein the first cooling channel and the second cooling channel are spaced apart or stacked.
5. The self-regulating cooling waterway as set forth in claim 1, wherein the controller comprises a power module and a two-channel water-cooling plate proximate to the power module, wherein the two-channel water-cooling plate comprises a third cooling channel and a fourth cooling channel on the inside thereof, and wherein the two-channel water-cooling plate comprises a third cooling inlet and a third cooling outlet on the outside thereof, which are led out from both ends of the third cooling channel, and a fourth cooling inlet and a fourth cooling outlet on the outside thereof, which are led out from both ends of the fourth cooling channel.
6. The self-regulating cooling channel for use in an electric drive system according to claim 5, wherein the third cooling channel and the fourth cooling channel are at least one of straight, U-shaped, and S-shaped.
7. The self-regulating cooling water channel for use in an electric drive system according to claim 6, wherein the third cooling channel and the fourth cooling channel are spaced apart or stacked.
8. The automatic temperature-regulating heat-dissipating water channel applied to the electric drive system according to any one of claims 1 to 7, wherein the size of the check valve is in positive correlation with the temperature of the controller and/or the motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010660314.XA CN111614209A (en) | 2020-07-10 | 2020-07-10 | Automatic temperature-adjusting heat-dissipating water channel applied to electric drive system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010660314.XA CN111614209A (en) | 2020-07-10 | 2020-07-10 | Automatic temperature-adjusting heat-dissipating water channel applied to electric drive system |
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| CN111614209A true CN111614209A (en) | 2020-09-01 |
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| CN202010660314.XA Pending CN111614209A (en) | 2020-07-10 | 2020-07-10 | Automatic temperature-adjusting heat-dissipating water channel applied to electric drive system |
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| JPH1122466A (en) * | 1997-07-04 | 1999-01-26 | Nissan Motor Co Ltd | Cooling device for hybrid type electric vehicle |
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| CN203974530U (en) * | 2014-06-26 | 2014-12-03 | 北京新能源汽车股份有限公司 | Integrated cooling system for electric automobile |
| JP5676737B2 (en) * | 2011-02-21 | 2015-02-25 | 株式会社日立製作所 | Cooling device, and motor and inverter provided with the cooling device |
| CN107196461A (en) * | 2017-07-24 | 2017-09-22 | 北京金风科创风电设备有限公司 | Composite cooling system |
| CN108321984A (en) * | 2018-02-06 | 2018-07-24 | 苏州盱酋汽车科技有限公司 | A kind of the high-efficiency and energy-saving type motor and its working method of electric vehicle |
| US10272767B1 (en) * | 2018-03-23 | 2019-04-30 | Sf Motors, Inc. | Dual loop liquid cooling of integrated electric drivetrain |
| CN109756058A (en) * | 2019-03-13 | 2019-05-14 | 江西理工大学南昌校区 | A kind of integrated electric control system |
| CN209016890U (en) * | 2018-11-13 | 2019-06-21 | 邯郸钢铁集团有限责任公司 | A kind of Large Air Separation Devices compressor electric motor emergency cooling system |
| CN210724467U (en) * | 2019-11-15 | 2020-06-09 | 乐清市天力电机有限公司 | Alternating current motor with good heat dissipation performance |
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2020
- 2020-07-10 CN CN202010660314.XA patent/CN111614209A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1122466A (en) * | 1997-07-04 | 1999-01-26 | Nissan Motor Co Ltd | Cooling device for hybrid type electric vehicle |
| CN103560609A (en) * | 2009-05-19 | 2014-02-05 | 福特全球技术公司 | Electric motor |
| CN102130542A (en) * | 2010-01-14 | 2011-07-20 | 株式会社安川电机 | Motor and vehicle |
| JP5676737B2 (en) * | 2011-02-21 | 2015-02-25 | 株式会社日立製作所 | Cooling device, and motor and inverter provided with the cooling device |
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| CN202586769U (en) * | 2012-04-17 | 2012-12-05 | 嘉善华瑞赛晶电气设备科技有限公司 | Double-water-channel water cooling plate for power module |
| CN203974530U (en) * | 2014-06-26 | 2014-12-03 | 北京新能源汽车股份有限公司 | Integrated cooling system for electric automobile |
| CN107196461A (en) * | 2017-07-24 | 2017-09-22 | 北京金风科创风电设备有限公司 | Composite cooling system |
| CN108321984A (en) * | 2018-02-06 | 2018-07-24 | 苏州盱酋汽车科技有限公司 | A kind of the high-efficiency and energy-saving type motor and its working method of electric vehicle |
| US10272767B1 (en) * | 2018-03-23 | 2019-04-30 | Sf Motors, Inc. | Dual loop liquid cooling of integrated electric drivetrain |
| CN209016890U (en) * | 2018-11-13 | 2019-06-21 | 邯郸钢铁集团有限责任公司 | A kind of Large Air Separation Devices compressor electric motor emergency cooling system |
| CN109756058A (en) * | 2019-03-13 | 2019-05-14 | 江西理工大学南昌校区 | A kind of integrated electric control system |
| CN210724467U (en) * | 2019-11-15 | 2020-06-09 | 乐清市天力电机有限公司 | Alternating current motor with good heat dissipation performance |
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Application publication date: 20200901 |
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