CN113365474A - Motor controller for electric vehicle - Google Patents
Motor controller for electric vehicle Download PDFInfo
- Publication number
- CN113365474A CN113365474A CN202110628848.9A CN202110628848A CN113365474A CN 113365474 A CN113365474 A CN 113365474A CN 202110628848 A CN202110628848 A CN 202110628848A CN 113365474 A CN113365474 A CN 113365474A
- Authority
- CN
- China
- Prior art keywords
- motor controller
- cooling
- liquid
- cooling liquid
- flow
- 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.)
- Granted
Links
Images
Classifications
-
- 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
- H05K7/20218—Modifications to facilitate cooling, ventilating, or heating using a liquid coolant without phase change in electronic enclosures
- H05K7/20272—Accessories for moving fluid, for expanding fluid, for connecting fluid conduits, for distributing fluid, for removing gas or for preventing leakage, e.g. pumps, tanks or manifolds
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Motor Or Generator Cooling System (AREA)
Abstract
The invention belongs to the field of motor controllers, and particularly relates to a motor controller for an electric vehicle, which comprises a shell, a capacitor, a power module, a water cooling plate and a junction box, wherein the capacitor and the power module are both arranged on the bottom surface in the shell, the water cooling plate is arranged on the upper surfaces of the power module and the capacitor, the power module is fixedly connected with the water cooling plate, a cooling liquid channel arranged in an S shape is arranged in the water cooling plate, a liquid inlet and a liquid outlet are respectively arranged at two ends of the cooling liquid channel, the liquid inlet and the liquid outlet are both arranged in a conical shape, cooling liquid flows in from the liquid inlet and flows out from the liquid outlet after flowing through the cooling liquid channel, and a plurality of parallel partition plates are equidistantly arranged in the cooling liquid channel. The invention can realize uniform heat dissipation of the whole motor controller by different expansion degrees of the flow-resisting air bags in different temperature areas and different flow-resisting effects on the flow of the cooling liquid, and can improve the flow of the cooling liquid during instantaneous overload output so as to keep the motor controller at normal temperature.
Description
Technical Field
The invention belongs to the field of motor controllers, and particularly relates to a motor controller for an electric vehicle.
Background
Along with the progress of environmental awareness and low-carbon concept, the electric vehicle has become the main direction of automobile development, the motor controller is the core control component for controlling the starting, acceleration and deceleration of the electric vehicle, and when the electric vehicle is in different running states, the output power of the motor controller is different, for example, in the acceleration process of the electric vehicle, the motor controller often adopts an instantaneous overload output mode for larger output power.
In practical use, most of motor controllers adopt a liquid cooling or air cooling mode for heat dissipation, and when the motor controllers output instantaneous overload, the temperature rises quickly, but the water cooling or air cooling efficiency of the motor controllers is always unchanged, so that the temperature of the motor controllers rises and the motor controllers are easy to damage; the current water-cooling heat dissipation mode is the rivers passageway that coils the setting in the water-cooling board mostly to the extension cooling water flows the time of water-cooling board, this just leads to the cooling water to heat up gradually in rivers passageway, and is better to the cooling effect of rivers passageway first half, and the relatively poor problem of second half cooling effect causes the whole radiating inhomogeneous of machine controller, easily causes the power device overheat damage.
Disclosure of Invention
The invention aims to solve the problems of fixed cooling efficiency and uneven heat dissipation and provides a motor controller for an electric vehicle, which has a good cooling effect and is even in heat dissipation.
In order to achieve the purpose, the invention adopts the following technical scheme: a motor controller for an electric vehicle comprises a shell, a capacitor, a power module, a water cooling plate and a junction box, wherein the capacitor and the power module are both arranged on the inner bottom surface of the shell;
the water cooling plate is internally provided with a cooling liquid channel which is arranged in an S shape, two ends of the cooling liquid channel are respectively provided with a liquid inlet and a liquid outlet, the liquid inlet and the liquid outlet are both arranged in a conical shape, and cooling liquid flows in from the liquid inlet and flows out from the liquid outlet after flowing through the cooling liquid channel;
a plurality of parallel partition plates are arranged in the cooling liquid channel at equal intervals, semicircular flow-resisting air bags are arranged on the side walls of the two sides of each partition plate at equal intervals, expansion and contraction media are filled in the flow-resisting air bags, and the flow-resisting air bags on the two adjacent partition plates are arranged in a staggered mode;
the water-cooling plate is fixedly connected with a sliding barrel, a balancing weight is connected in the sliding barrel in a sliding mode, two ends of the balancing weight are fixedly connected with the sliding barrel through springs, a groove located in the middle of the sliding barrel is formed in the water-cooling plate, an elastic corrugated pipe is fixedly connected to the bottom surface of the groove, a permanent magnet is fixedly connected to one end of the elastic corrugated pipe, the balancing weight is made of a magnetic material and repels the permanent magnet in the same polarity, a spherical adjusting air bag is arranged in the liquid inlet, and the spherical adjusting air bag is communicated with the elastic corrugated pipe through a communicating pipe.
Preferably, an insulating heat conduction gasket is arranged between the capacitor and the water cooling plate, and the insulating heat conduction gasket is made of a heat conduction silica gel material.
Preferably, the junction box is fixedly connected to the side wall of the shell, a plurality of wiring holes arranged side by side are formed in the junction box, and elastic pressing sheets are arranged in the wiring holes.
Preferably, the partition plate is a heat-conducting copper plate.
Preferably, the medium for expansion with heat and contraction with cold is one or a mixture of cyclopentane, trichlorotrifluoroethane and mercury.
Preferably, the distance between the two partition plates is 5mm, and the maximum expansion radius of the choke air bag is 2 mm.
Compared with the prior art, the motor controller for the electric vehicle has the advantages that:
1. the cooling liquid channel and the plurality of clapboards are arranged in the S shape, so that the flowing distance and time of the cooling liquid in the cooling liquid channel can be prolonged, the cooling liquid can fully absorb heat, a good cooling effect is realized, the contact area between the clapboard and the cooling liquid is effectively increased, and the heat exchange effect of the cooling liquid is enhanced.
2. According to the invention, the flow-resisting air bags are arranged, the temperatures of all the parts in the cooling plate are different, so that the expansion states of the thermal expansion and cold contraction media in the flow-resisting air bags are different, the flow-resisting effect of the flow-resisting air bags in the expansion and contraction states on the flowing of the cooling liquid is different, the time for the cooling liquid to flow in a higher-temperature area is longer, and the cooling liquid can rapidly flow in a lower-temperature area, namely, the heating speed of the cooling liquid in the lower-temperature area is reduced, a better cooling and heat dissipation effect is provided for the higher-temperature area, and the uniform heat dissipation of the whole motor controller is realized.
3. According to the invention, by arranging the balancing weight and the spherical adjusting air bag, the instantaneous overload output temperature of the motor controller is higher in the acceleration or deceleration process of the electric vehicle, at the moment, the balancing weight slides forwards or backwards under the inertia effect to adjust the volume of the spherical adjusting air bag, so that the effective liquid inlet area of the liquid inlet is increased, the flow of cooling liquid in the cooling liquid channel is improved, the instantaneous overload output of the motor controller is kept at a normal temperature, and the dangerous accident of overheating damage is avoided.
Drawings
FIG. 1 is a schematic structural diagram of a motor controller for an electric vehicle according to the present invention;
FIG. 2 is a schematic structural diagram of a water cooling plate in a motor controller for an electric vehicle according to the present invention;
FIG. 3 is a schematic diagram illustrating an internal structure of a water cooling plate in a motor controller for an electric vehicle according to the present invention;
fig. 4 is an enlarged view of a in fig. 3.
Fig. 5 is a schematic structural diagram of a partition plate in a motor controller for an electric vehicle according to the present invention.
In the figure, 1 a housing; 2, capacitance; 3 a power module; 4, water cooling plates; 41 coolant channels; 42 liquid inlet; 43 a liquid outlet; 44 a partition plate; 45 flow-blocking air bags; 5, a junction box; 51 a wiring hole; 6, a slide cylinder; 61, a balancing weight; 62 a spring; 63 grooves; 64 an elastic bellows; 65 permanent magnet blocks; 66 spherical adjusting air bags; 7 insulating heat conducting gasket.
Detailed Description
The following examples are for illustrative purposes only and are not intended to limit the scope of the present invention.
Example 1
As shown in fig. 1-5, a motor controller for electric vehicle comprises a housing 1, a capacitor 2, a power module 3, a water-cooling plate 4 and a junction box 5, wherein the junction box 5 is fixedly connected to the side wall of the housing 1, a plurality of wiring holes 51 arranged side by side are formed in the junction box 5, the wiring holes 51 are used for accommodating and arranging control lines, elastic pressing pieces are arranged in the wiring holes 51, and the elastic pressing pieces can compress and fix the control lines in the wiring holes 51 to prevent the control lines from being wound.
In the invention, a capacitor 2 and a power module 3 are both arranged on the inner bottom surface of a shell 1, a water cooling plate 4 is arranged on the upper surfaces of the power module 3 and the capacitor 2, the power module 3 is fixedly connected with the water cooling plate 4, an insulating heat conduction gasket 7 is arranged between the capacitor 2 and the water cooling plate 4, the insulating heat conduction gasket 7 is made of a heat conduction silicon material, and the capacitor 2 is prevented from being affected with damp and short circuit due to leakage of the water cooling plate 4;
in the invention, a cooling liquid channel 41 arranged in an S shape is arranged in the water cooling plate 4, a liquid inlet 42 and a liquid outlet 43 are respectively arranged at two ends of the cooling liquid channel 41, the liquid inlet 42 and the liquid outlet 43 are both arranged in a conical shape, and cooling liquid flows in from the liquid inlet 42 and flows out from the liquid outlet 43 after flowing through the cooling liquid channel 41;
in the present invention, a plurality of parallel partition plates 44 are equidistantly arranged in the coolant channel 41, it should be noted that the partition plates 44 are heat-conducting copper plates, which have good heat-conducting performance, so as to effectively increase the contact area with the coolant, and improve the heat dissipation and cooling efficiency, semicircular flow-blocking airbags 45 are equidistantly arranged on the side walls on both sides of the partition plates 44, the flow-blocking airbags 45 on two adjacent partition plates 44 are arranged in a staggered manner, and a thermal expansion and contraction medium is filled in the flow-blocking airbags 45, it should be noted that the thermal expansion and contraction medium is one or a mixture of several of cyclopentane, trichlorotrifluoroethane and mercury, and expands when the temperature rises, and it should be noted that the distance between two partition plates 44 is 5mm, and the maximum expansion radius of the flow-blocking airbags 45 is 2 mm.
In the invention, a sliding cylinder 6 is fixedly connected to a water cooling plate 4, a balancing weight 61 is connected in the sliding cylinder 6 in a sliding manner, two ends of the balancing weight 61 are fixedly connected with the sliding cylinder 6 through springs 62, a groove 63 located in the middle of the sliding cylinder 6 is arranged on the water cooling plate 4, an elastic corrugated pipe 64 is fixedly connected to the bottom surface of the groove 63, a permanent magnet 65 is fixedly connected to one end of the elastic corrugated pipe 64, the balancing weight 61 is made of a magnetic material and is repelled with the permanent magnet 65 in a same polarity, a spherical adjusting air bag 66 is arranged in a liquid inlet 42, the spherical adjusting air bag 66 is communicated with the elastic corrugated pipe 64 through a communicating pipe 67, the balancing weight 61 is located in the center of the sliding cylinder 6 under a natural state through the springs 62, namely, the balancing weight is opposite to the permanent magnet 65, the repulsion effect on the permanent magnet 65 is large, and the elastic corrugated pipe 64 is in a contraction state.
The working principle of the embodiment is as follows: the cooling liquid flows into the water-cooling plate 4 from the liquid inlet 42, flows through the cooling liquid channel 41 and is discharged from the liquid outlet 43, the cooling liquid channel 41 arranged in the S shape can prolong the flowing distance and time of the cooling liquid in the water-cooling plate 4, so that the cooling liquid can fully absorb heat, a good cooling effect is realized, the contact area of the cooling liquid is effectively increased by the plurality of partition plates 44, and the heat exchange effect of the cooling liquid is enhanced.
When the coolant flows in the coolant passage 41, the flow-blocking air bags 45 located in the lower surface temperature area of the cooling plate 4 are cooled and contracted by the internal thermal expansion and cold contraction medium, so that the flow-blocking air bags 45 are in a contraction state, the flow-blocking air bags 45 located in the higher surface temperature area of the cooling plate 4 are heated and expanded by the internal thermal expansion and cold contraction medium, so that the flow-blocking air bags 45 in an expansion state are different in flow-blocking effect on the flow of the coolant, so that the coolant flows in the higher temperature area for a longer time, and can flow rapidly in the lower temperature area, namely, the temperature rise speed of the coolant in the lower temperature area is reduced, a better cooling and heat dissipation effect is provided for the higher temperature area, and the uniform heat dissipation of the whole motor controller is realized.
During the acceleration or deceleration process of the electric vehicle, the instantaneous overload output temperature of the motor controller is higher, at the moment, the counterweight block 61 slides forwards or backwards under the inertia effect and is far away from the permanent magnet block 65, the repulsive force generated by the permanent magnet block 65 is reduced, the elastic corrugated pipe 64 bounces and extends under the elastic action, gas in the spherical adjusting air bag 66 is sucked, the volume of the spherical adjusting air bag 66 is reduced, the effective liquid inlet area of the liquid inlet 42 is increased, the flow of cooling liquid in the cooling liquid channel 41 is improved, the motor controller is enabled to keep normal temperature under the instantaneous overload output, and the dangerous accident of excessive heat damage is avoided; after the electric vehicle runs stably or stops, the counterweight 61 moves to the initial position under the elastic force of the spring 62, and generates a large repulsive force to the permanent magnet 65, so that the elastic corrugated pipe 64 is compressed, and the flow rate of the cooling liquid in the cooling liquid channel 41 is restored to a normal state.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (6)
1. A motor controller for an electric vehicle is characterized by comprising a shell (1), a capacitor (2), a power module (3), a water cooling plate (4) and a junction box (5), wherein the capacitor (2) and the power module (3) are both arranged on the inner bottom surface of the shell (1), the water cooling plate (4) is arranged on the upper surfaces of the power module (3) and the capacitor (2), and the power module (3) is fixedly connected with the water cooling plate (4);
a cooling liquid channel (41) which is arranged in an S shape is arranged in the water cooling plate (4), a liquid inlet (42) and a liquid outlet (43) are respectively arranged at two ends of the cooling liquid channel (41), the liquid inlet (42) and the liquid outlet (43) are both arranged in a conical shape, cooling liquid flows in from the liquid inlet (42) and flows out from the liquid outlet (43) after flowing through the cooling liquid channel (41);
a plurality of parallel partition plates (44) are arranged in the cooling liquid channel (41) at equal intervals, semicircular flow-resisting airbags (45) are arranged on the side walls of the two sides of each partition plate (44) at equal intervals, expansion and contraction media are filled in the flow-resisting airbags (45), and the flow-resisting airbags (45) on the two adjacent partition plates (44) are arranged in a staggered mode;
fixedly connected with slide cartridge (6) on water-cooling board (4), sliding connection has balancing weight (61) in slide cartridge (6), the both ends of balancing weight (61) all are through spring (62) and slide cartridge (6) fixed connection, be equipped with recess (63) that are located slide cartridge (6) middle part on water-cooling board (4), the bottom surface fixed connection of recess (63) has elastic bellows (64), the one end fixedly connected with permanent magnetism piece (65) of elastic bellows (64), balancing weight (61) are made by magnetic material and repel each other with permanent magnetism piece (65) homopolar, be equipped with spherical regulation gasbag (66) in inlet (42), spherical regulation gasbag (66) are through communicating pipe (67) and elastic bellows (64) intercommunication.
2. The motor controller for the electric vehicle as claimed in claim 1, wherein an insulating and heat-conducting gasket (7) is arranged between the capacitor (2) and the water cooling plate (4), and the insulating and heat-conducting gasket (7) is made of a heat-conducting silicon rubber material.
3. The motor controller for the electric vehicle according to claim 1, wherein the junction box (5) is fixedly connected to a side wall of the housing (1), the junction box (5) is provided with a plurality of wiring holes (51) arranged side by side, and elastic pressing sheets are arranged in the wiring holes (51).
4. The motor controller for electric vehicles according to claim 1, wherein the partition plate (44) is a heat conductive copper plate.
5. The motor controller for the electric vehicle as claimed in claim 1, wherein the thermal expansion and contraction medium is one or more of cyclopentane, trichlorotrifluoroethane and mercury.
6. The motor controller for electric vehicles according to claim 1, wherein the distance between the two partitions (44) is 5mm, and the maximum expansion radius of the choke bladder (45) is 2 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110628848.9A CN113365474B (en) | 2021-06-07 | 2021-06-07 | Motor controller for electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110628848.9A CN113365474B (en) | 2021-06-07 | 2021-06-07 | Motor controller for electric vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113365474A true CN113365474A (en) | 2021-09-07 |
| CN113365474B CN113365474B (en) | 2021-11-30 |
Family
ID=77532498
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110628848.9A Active CN113365474B (en) | 2021-06-07 | 2021-06-07 | Motor controller for electric vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113365474B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7413221B2 (en) * | 2005-06-27 | 2008-08-19 | Tk Holdings Inc. | Airbag apparatus with accumulator |
| CN102609059A (en) * | 2011-01-19 | 2012-07-25 | 富泰华工业（深圳）有限公司 | Radiating device and electronic equipment with same |
| CN204931837U (en) * | 2015-08-14 | 2016-01-06 | 南京瀚雅健康科技有限公司 | Ultralow temperature freeze therapy unit |
| CN107940649A (en) * | 2018-01-04 | 2018-04-20 | 宋扬 | A kind of intelligent electric fan |
| CN207682896U (en) * | 2018-01-03 | 2018-08-03 | 苏福（深圳）科技有限公司 | A kind of double-screw extruder cooling water tank |
| CN108401405A (en) * | 2018-04-28 | 2018-08-14 | 合肥巨动力系统有限公司 | Water-cooled motor controller |
| WO2019189205A1 (en) * | 2018-03-27 | 2019-10-03 | 日本アメリケア株式会社 | Hot balloon catheter |
| CN111998580A (en) * | 2020-09-19 | 2020-11-27 | 北京首钢国际工程技术有限公司 | Operation maintenance structure of high-voltage frequency converter evaporation cooling system |
| CN212157483U (en) * | 2020-01-02 | 2020-12-15 | 邳州泰利恒商贸有限公司 | Room temperature adjusting device |
| CN212588691U (en) * | 2020-05-11 | 2021-02-23 | 河南邦宁工程技术有限公司 | Building intelligent system |
-
2021
- 2021-06-07 CN CN202110628848.9A patent/CN113365474B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7413221B2 (en) * | 2005-06-27 | 2008-08-19 | Tk Holdings Inc. | Airbag apparatus with accumulator |
| CN102609059A (en) * | 2011-01-19 | 2012-07-25 | 富泰华工业（深圳）有限公司 | Radiating device and electronic equipment with same |
| CN204931837U (en) * | 2015-08-14 | 2016-01-06 | 南京瀚雅健康科技有限公司 | Ultralow temperature freeze therapy unit |
| CN207682896U (en) * | 2018-01-03 | 2018-08-03 | 苏福（深圳）科技有限公司 | A kind of double-screw extruder cooling water tank |
| CN107940649A (en) * | 2018-01-04 | 2018-04-20 | 宋扬 | A kind of intelligent electric fan |
| WO2019189205A1 (en) * | 2018-03-27 | 2019-10-03 | 日本アメリケア株式会社 | Hot balloon catheter |
| CN108401405A (en) * | 2018-04-28 | 2018-08-14 | 合肥巨动力系统有限公司 | Water-cooled motor controller |
| CN212157483U (en) * | 2020-01-02 | 2020-12-15 | 邳州泰利恒商贸有限公司 | Room temperature adjusting device |
| CN212588691U (en) * | 2020-05-11 | 2021-02-23 | 河南邦宁工程技术有限公司 | Building intelligent system |
| CN111998580A (en) * | 2020-09-19 | 2020-11-27 | 北京首钢国际工程技术有限公司 | Operation maintenance structure of high-voltage frequency converter evaporation cooling system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113365474B (en) | 2021-11-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR100937903B1 (en) | Sealed Type Heat Exchanging System of Battery Pack | |
| CN112072203B (en) | Battery pack of electric vehicle and battery module heat management unit thereof | |
| GB2588520A (en) | Battery cooling system for new energy vehicle | |
| CN103106987A (en) | Liquid-cooled resistor device | |
| KR20180080614A (en) | Water cooling battery module of electric vehicle | |
| CN104604019A (en) | Battery module | |
| KR101988621B1 (en) | Heat Pipe For Battery Cooling | |
| CN108390123A (en) | A kind of power battery pack heat management system and automobile | |
| CN112382805A (en) | Cylindrical battery thermal management module based on pulsating heat pipe | |
| CN111725586B (en) | Lithium ion battery pack heat management device | |
| CN113873849B (en) | Self-adaptive adjustment semi-immersed liquid cooling heat dissipation cavity, circulation system and application | |
| US10696184B2 (en) | Onboard charger heat dissipation | |
| CN113365474B (en) | Motor controller for electric vehicle | |
| CN108417753B (en) | Expansion absorbing device of soft package battery and battery module | |
| CN112054268A (en) | Battery temperature control system and charging system | |
| CN113067054B (en) | Battery based on phase-change material coupling fin and battery thermal management system thereof | |
| CN213873267U (en) | Semiconductor refrigerating and heating module | |
| CN107425235A (en) | Heat abstractor and battery system | |
| CN201805315U (en) | Cooling system and motor controller including same | |
| CN109066007B (en) | Large-scale battery module integration box cooling system based on heat pipe | |
| CN113871746A (en) | Battery and battery module | |
| CN207149667U (en) | Heat abstractor and battery system | |
| JP2013098081A (en) | Battery temperature control system | |
| CN217086698U (en) | Battery module and electronic equipment | |
| CN111613422A (en) | Wireless charging seat |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |