CN202585681U - Air cooling and heat pipe radiating power battery device - Google Patents
Air cooling and heat pipe radiating power battery device Download PDFInfo
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- CN202585681U CN202585681U CN 201220244491 CN201220244491U CN202585681U CN 202585681 U CN202585681 U CN 202585681U CN 201220244491 CN201220244491 CN 201220244491 CN 201220244491 U CN201220244491 U CN 201220244491U CN 202585681 U CN202585681 U CN 202585681U
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Abstract
The utility model provides an air cooling and heat pipe radiating power battery device which comprises a battery module, a forced air cooling device and a heat pipe radiating device, wherein the battery module includes a plurality of parallelly arranged single batteries, every single battery is provided with a radiating fin extending from one side of the single battery, the forced air cooling device comprises an air guiding box disposed on one side of the battery module, a plurality of air outlets are disposed on a main panel of the air guiding box, an air inlet is arranged on the top of the air guiding box, the heat pipe radiating device includes a plurality of heat pipes in one to one correspondence to the single batteries, a front water collecting pipe and a rear water collecting pipe, the front water collecting pipe and the rear water collecting pipe are respectively connected with two ends of the plurality of heat pipes, the plurality of heat pipes are arranged in the air guiding box, the front water collecting pipe and the rear water collecting pipe are disposed on two sides of the air guiding box respectively, every radiating fin radiates heat to one heat pipe by being connected with the heat pipe or by means of heat radiation.
Description
Technical field
The utility model relates to the electric powered motor source domain, particularly a kind of power battery device that is used for air-cooled, the heat pipe heat radiation of electric automobile.
Background technology
Because environmental problem and energy crisis become increasingly conspicuous, energy-conserving and environment-protective become the inexorable trend of automobile industry.The maximum characteristics of electric automobile are in the process of moving seldom even do not have an exhaust emission, the low and environmental friendliness of thermal radiation.Undoubtedly, electric automobile is the new traffic tool of a kind of energy-conserving and environment-protective, sustainable development, has vast potential for future development.
Restriction electric automobile development key technology is the lifting of battery performance, yet the heat radiation of electrokinetic cell has crucial meaning to the lifting of battery performance.For the material of electrokinetic cell high activityization, big electric current charge and discharge frequent in the electric automobile cause the fast rise of battery temperature easily, and then cause the serious safety problem such as thermal runaway and blast of power brick.In the integrated bag of electrokinetic cell, owing to there is not good radiating condition, may cause some local heat integrated, thereby quicken the aging even destruction of this zone battery, influence the use of other battery greatly, and then influence the whole performance performance of battery pack.Therefore, the electrokinetic cell of high efficiency and heat radiation performance becomes the key factor of decision electric automobile performance quality.
At present, the electrokinetic cell that is used for electric automobile adopts air blast cooling or liquid cooling to dispel the heat mostly.Air blast cooling is taken away the heat in the power brick through wind, and the maximum shortcoming of this mode is the local temperature skewness that causes in the power brick, and near the temperature the air inlet is low often, and the temperature of air outlet is high.The inhomogeneities of this temperature can directly have influence on the consistency of cell in the power brick, can quicken the deterioration of power brick serviceability.Though and the mode radiating effect of liquid cooling is better,,, the heat pipe of liquid cooling can cause battery short circuit to damage easily if breaking because the inside of power brick is made up of many cell connection in series-parallel.Therefore, how can the mode of air blast cooling and liquid cooling heat radiation be applied to electrokinetic cell with combining,, become the key factor of decision electric automobile performance quality to realize the electrokinetic cell of high efficiency and heat radiation performance.
The utility model content
In view of this, the utility model provides a kind of power battery device that is used for air-cooled, the heat pipe heat radiation of electric automobile.
That the utility model provides is a kind of air-cooled, the power battery device of heat pipe heat radiation, comprising: battery module, air blast cooling device and heat-pipe radiating apparatus,
Battery module comprises a plurality of cells that are arranged in parallel, and each cell has the fin that stretches out from a side of this cell;
Said air blast cooling device comprises the wind-guiding case of a side that is arranged at this battery module, and a plurality of air outlets are set on the main panel of said wind-guiding case, and the top of wind-guiding case is provided with an air inlet;
Said heat-pipe radiating apparatus comprises a plurality of and cell heat pipe and the preceding collector pipe and the rear water collecting pipe that are communicated with the two ends of said a plurality of heat pipes respectively one to one; Said a plurality of heat pipe is arranged in the wind-guiding case, and said preceding collector pipe and rear water collecting pipe are installed in the both sides of said wind-guiding case;
Each said fin through be connected with each said heat pipe or thermal radiation to this heat pipe heat radiation.
Preferably, said battery module further comprises plastic spacer and the working of plastics that is arranged at this upper and lower bottom surface of battery module, and said plastic spacer is fixedly connected with battery module through securing member with working of plastics;
Each cell comprises battery, insulating heat-conductive sheet, fin and plastic washer, and said insulating heat-conductive sheet has the groove that is used to hold said battery, and said fin has the groove that is used to hold said insulating heat-conductive sheet;
Battery and insulating heat-conductive sheet and said fin fit tightly, and battery, insulating heat-conductive sheet, fin and plastic washer are fixed as one through securing member.
Preferably, said before collector pipe and rear water collecting pipe comprise the plug receptacle of a plurality of vertical arrangements respectively, the two ends of each heat pipe are fastenedly connected with the corresponding preceding collector pipe and the plug receptacle of rear water collecting pipe respectively.
Preferably, further comprise the installation panel of a side that is fixed in battery module, the positive and negative electrode earhole is set on the said installation panel;
Form a battery unit after at least two cells are connected in parallel according to positive and negative lug, a plurality of battery units are arranged according to the positive and negative electrode earhole on the installation panel and are connected in series.
Preferably, the side towards heat pipe of the said fin winding portion that has the connecting portion that is connected with heat sink body and be attached at heat pipe outer surface.
Preferably, the connecting portion of said fin and/or winding portion surface tool is provided with fold or fin.
Preferably, the side towards heat pipe of said fin has the connecting portion that is connected with heat sink body and is set in the outside ring part of heat pipe.
Preferably, the internal diameter of said ring part is greater than the external diameter of heat pipe, and said fin carries out the thermal radiation heat radiation through ring part to heat pipe.
Preferably, the inner surface of the said ring part outer surface of said heat pipe of fitting.
Preferably, the side towards heat pipe of said fin is fixedly connected with the outer surface of heat pipe.
Visible by technique scheme, adopt the utility model can produce following beneficial effect:
Than common wind-cooling heat dissipating system; Electric automobile not only can high efficiency and heat radiation at rugged environment medium power battery relatively, between cell the distribution of temperature also relatively more balanced, ensured the stability of electrokinetic cell; Also prolong the life-span of electrokinetic cell, improved the power performance of electric automobile.
In addition; After cell process working of plastics and plastic washer are fastening, can avoid electric automobile when operation is jolted, to cause the vibrations of electrokinetic cell, when cell damages, can change simultaneously to the cell that damages; Need not to change the entire cell module, simple and convenient and saving cost.
Description of drawings
Fig. 1 is the structural representation of power battery device of air-cooled, the heat pipe heat radiation of the utility model;
Fig. 2 is the explosive view of power battery device of air-cooled, the heat pipe heat radiation of the utility model;
Fig. 3 is the explosive view of cell of power battery device of air-cooled, the heat pipe heat radiation of the utility model;
Fig. 4 is the structural representation of forward and backward collector pipe of power battery device of air-cooled, the heat pipe heat radiation of the utility model;
Fig. 5 is the structural representation of installation panel of power battery device of air-cooled, the heat pipe heat radiation of the utility model;
Fig. 6 a-Fig. 6 f is the sketch map that is connected of fin and heat pipe of power battery device of air-cooled, the heat pipe heat radiation of the utility model.
Embodiment
For the purpose, technical scheme and the advantage that make the utility model is clearer, below with reference to the accompanying drawing embodiment that develops simultaneously, to the utility model further explain.
In the utility model; The power battery device that is applied to electric automobile has increased the mode of heat pipe heat radiation on the basis of wind-cooling heat dissipating system; And heat pipe is arranged in the wind-cooling heat dissipating system; Not only can high efficiency and heat radiation, keep Temperature Distribution balanced between the cell, and heat pipe is separated with cell, avoided the problem of the battery short circuit damage that causes because heat pipe breaks.
Fig. 1 is the structural representation of power battery device of air-cooled, the heat pipe heat radiation of the utility model.Fig. 2 is the explosive view of power battery device of air-cooled, the heat pipe heat radiation of the utility model.As depicted in figs. 1 and 2, the power battery device air-cooled, heat pipe heat radiation of the utility model comprises: battery module 101, air blast cooling device 102 and heat-pipe radiating apparatus.Wherein, battery module 101 comprises a plurality of cells that are arranged in parallel 202, and each cell 202 has the fin that stretches out from a side of this cell 202.Air blast cooling device 102 comprises the wind-guiding case 203 that is arranged at battery module 101 1 sides, is provided with a plurality ofly according to the certain rule setting and the air outlet 205 of arranging on the main panel 204 of wind-guiding case 203, and the top of wind-guiding case 203 is provided with an air inlet 206.Heat-pipe radiating apparatus comprises a plurality of and cell 202 heat pipe (not shown) and preceding collector pipe 207 that is communicated with the two ends of a plurality of heat pipes respectively and rear water collecting pipe 208 one to one; A plurality of heat pipes are arranged in the wind-guiding case 203, and preceding collector pipe 207 and rear water collecting pipe 208 are installed in the both sides of wind-guiding case 203.The fin of each cell through be connected with each heat pipe or thermal radiation to this heat pipe heat radiation.
A plurality of cells 202 horizontal parallel settings of the power battery device of the utility model are arranged in battery module 101, and are fastenedly connected through bolt, and every cell 202 is all corresponding with a heat pipe.Cell 202 produces heat during power battery device work, and heat is delivered to fin through the insulation conducting strip, and fin absorbs heat and is transmitted in the heat pipe with certain amount of area.Fin is connected with contact of face face or thermal-radiating mode with heat pipe, strengthens heat-conducting area, has accelerated the transfer rate of heat.Carry out heat exchange by the cooling liquid of filling in the heat pipe to transmitting the heat of coming in, finally make cell 202 cool down.Set certain pressure in the heat pipe, after the absorption of the cooling liquid in heat pipe heat reaches the uniform temperature evaporation, heat is taken away from rear water collecting pipe 208 discharges.Again with its condensation, make it become liquid state and flow back in the heat pipe through preceding collector pipe 207 behind the high-temperature gas discharge rear water collecting pipe 208, so periodic duty is carried out heat pipe heat radiation to electrokinetic cell.
Further; The air inlet 206 of air blast cooling device is arranged on the top of wind-guiding case 203; After cold wind got into the air blast cooling device from air inlet 206, each cell 202 in the cell apparatus 101 of flowing through and the heat pipe that is positioned at wind-guiding case 203 were discharged by air outlet 205 at last.
The power battery device air-cooled, heat pipe heat radiation of the utility model combines wind-cooling heat dissipating and these two kinds of radiating modes of heat pipe heat radiation; Not only with heat pipe heat radiation this efficiently radiating mode introduced in the power battery device of wind-cooling heat dissipating; Make electrokinetic cell under bad working environment, still can realize good heat radiation; And, further improved the effect and the efficient of heat pipe heat radiation through using air blast cooling device opposite heat tube heat abstractor to carry out cooling effect in the wind-guiding case that heat pipe is arranged on the air blast cooling device.
In addition,, make itself and cell apparatus apart arrangement, avoided owing to the break problem of the battery short circuit damage that causes of heat pipe because heat pipe is arranged in the wind-guiding case of air blast cooling device.
Further; Battery module 101 further comprises the plastic spacer 104 and working of plastics 105 of the upper and lower bottom surface that is arranged at battery module 101; Plastic spacer 104 is fixedly connected with battery module 101 through securing member with working of plastics 105, avoids battery module 101 when the fastening force of securing member is excessive, to cause distortion.Also have pad between working of plastics 105 and the battery module 101,, avoid being stressed the excessive effect that causes battery module 101 or cell 202 distortion thereby play to the fastening cushioning effect that plays of the installation of entire cell module 101.
Fig. 3 is the explosive view of cell of power battery device of air-cooled, the heat pipe heat radiation of the utility model.As shown in Figure 3; Each cell 202 comprises battery 301, insulating heat-conductive sheet 302, fin 303 and plastic washer 304; Insulating heat-conductive sheet 302 has the groove that is used to hold battery 301, and fin 303 has the groove that is used for housing insulation conducting strip 302; Battery 301 fits tightly with insulating heat-conductive sheet 302 and fin 303, and then the heat that distributes of battery 301 work blazes abroad through fin 303.Battery 301, insulating heat-conductive sheet 302, fin 303 and plastic washer 304 are fixed as one through securing member.Fin 303 stretches out from a side of cell 202, dispels the heat to heat pipe 305 through contact or non-contacting mode.
Filling phase-change material between two adjacent cells 202, each cell is fastenedly connected by bolt through the screwed hole on the plastic washer 304 on each cell.When single cell is damaged, only need turn on bolt and just can change the cell of this damage, simple to operation, and, therefore can save cost owing to need not to change the entire cell module.
Fig. 4 is the structural representation of forward and backward collector pipe of power battery device of air-cooled, the heat pipe heat radiation of the utility model.As shown in Figure 4, forward and backward collector pipe comprises the plug receptacle 401 of a plurality of vertical arrangements respectively, and the two ends of each heat pipe are fastenedly connected with the corresponding preceding collector pipe and the plug receptacle of rear water collecting pipe respectively.Forward and backward collector pipe also is provided with an entery and delivery port 402, and the entery and delivery port of preceding collector pipe and the entery and delivery port of rear water collecting pipe be through connection processing, makes cooling water recycle in heat-pipe radiating apparatus in the heat pipe.
The dorsal part of forward and backward collector pipe also is provided with ribs 403, and on ribs 403, is provided with screwed hole 404, its with the wind-guiding case on corresponding screwed hole connect through bolted.
Like Fig. 2 and shown in Figure 5; The power battery device air-cooled, heat pipe heat radiation of the utility model further comprises the installation panel 501 that is fixed in battery module 101 1 sides; Positive and negative electrode earhole 502 is set on the installation panel 501; A plurality of cells 202 form a battery unit after being connected in parallel according to positive and negative lug, and are connected in series according to the deployment scenarios of the positive and negative electrode earhole 502 on the installation panel 501 and other battery unit.
Also be provided with screwed hole 503 on the installation panel 501, connect the fastening entire cell module 101 that makes in conjunction with the screwed hole 106 of two working of plasticss 105 of battery module 201 upper and lower bottom surfaces through bolt and be fastenedly connected into an integral body.
Be provided with mounting bracket 504 on the installation panel 501, be used for being fastenedly connected with wind-guiding case 203 with ribs.
In the electrokinetic cell of the utility model, the heat of each cell also dispels the heat through the mode of heat pipe heat radiation except through the wind-cooling heat dissipating.As stated, each cell is passed to heat pipe with heat through contact of face face or thermal-radiating this non-contacting mode through its fin, and then utilizes the form of heat exchange of heat pipe that heat is taken away, and realizes the purpose of heat radiation.
Multiple connected mode is arranged between fin and the heat pipe, and Fig. 6 a-Fig. 6 f is the sketch map of several kinds of connected modes of fin and heat pipe of power battery device of air-cooled, the heat pipe heat radiation of the utility model.
Shown in Fig. 6 a, fin 303 has the 602a of winding portion of connecting portion 601a that is connected with heat sink body and the outer surface that is attached at heat pipe 305 towards a side of heat pipe 305.The heat of fin 303 is passed to heat pipe via connecting portion 601a, the 602a of winding portion, and the outer surface of 602a of winding portion and heat pipe 305 is intertwined and connected, fits tightly, and uses the mode of face face contact to transmit heat to heat pipe 305.
Further; Shown in Fig. 6 b, Fig. 6 c; In order to improve radiating effect; Be convenient to utilize the radiating effect of air blast cooling simultaneously, can be on the connecting portion 601b shown in Fig. 6 b surface, or the winding portion 602c surface shown in Fig. 6 c fold 603b, 603c or fin are set, also can fold or fin all be set at connecting portion and winding portion surface.
In addition, selectively, shown in Fig. 6 d, the ring part 602d that the side towards heat pipe 305 of fin 303 has the connecting portion 601d that is connected with heat sink body and is set in heat pipe 305 outsides.Can the fit outer surface of heat pipe 305 of the inner surface of ring part 602d, adopt as mode that face face that Fig. 6 a-Fig. 6 c is identical contacts with heat transferred to heat pipe.Perhaps, can adopt the mode shown in Fig. 6 e, promptly there is the gap in the internal diameter of ring part 602e between ring part 602e and the heat pipe 305 greater than the external diameter of heat pipe 305, and fin 303 adopts thermal-radiating mode to heat pipe 305 heat radiations through ring part 602e.This radiating mode also can utilize the effect of air blast cooling heat radiation further.
In addition, selectively, shown in Fig. 6 f; Side towards heat pipe 305 of fin 303 can directly be fixedly connected with the outer surface of heat pipe 305; This connected mode manufacture craft is the simplest, but because contact-making surface is less, thus radiating effect be not so good as more than the radiating effect of several kinds of connected modes.
To sum up; The power battery device air-cooled, heat pipe heat radiation of the utility model combines wind-cooling heat dissipating and these two kinds of radiating modes of heat pipe heat radiation; Not only with heat pipe heat radiation this efficiently radiating mode introduced in the power battery device of wind-cooling heat dissipating; Make electrokinetic cell under bad working environment, still can realize good heat radiation; And, further improved the effect and the efficient of heat pipe heat radiation through using air blast cooling device opposite heat tube heat abstractor to carry out cooling effect in the wind-guiding case that heat pipe is arranged on the air blast cooling device.
In addition,, make itself and cell apparatus apart arrangement, avoided owing to the break problem of the battery short circuit damage that causes of heat pipe because heat pipe is arranged in the wind-guiding case of air blast cooling device.
The above is merely the preferred embodiment of the utility model; Not in order to restriction the utility model; All within the spirit and principle of the utility model, any modification of being made, be equal to replacement, improvement etc., all should be included within the scope of the utility model protection.
Claims (10)
1. the power battery device of air-cooled a, heat pipe heat radiation is characterized in that, comprising: battery module, air blast cooling device and heat-pipe radiating apparatus,
Battery module comprises a plurality of cells that are arranged in parallel, and each cell has the fin that stretches out from a side of this cell;
Said air blast cooling device comprises the wind-guiding case of a side that is arranged at battery module, and a plurality of air outlets are set on the main panel of said wind-guiding case, and the top of wind-guiding case is provided with an air inlet;
Said heat-pipe radiating apparatus comprises a plurality of and cell heat pipe and the preceding collector pipe and the rear water collecting pipe that are communicated with the two ends of said a plurality of heat pipes respectively one to one; Said a plurality of heat pipe is arranged in the wind-guiding case, and said preceding collector pipe and rear water collecting pipe are installed in the both sides of said wind-guiding case;
Each said fin through be connected with each said heat pipe or thermal radiation to this heat pipe heat radiation.
2. the power battery device of a kind of air-cooled, heat pipe heat radiation according to claim 1; It is characterized in that; Said battery module further comprises the plastic spacer and the working of plastics of the upper and lower bottom surface that is arranged at battery module, and said plastic spacer is fixedly connected with this battery module through securing member with working of plastics;
Each cell comprises battery, insulating heat-conductive sheet, fin and plastic washer, and said insulating heat-conductive sheet has the groove that is used to hold said battery, and said fin has the groove that is used to hold said insulating heat-conductive sheet;
Battery and insulating heat-conductive sheet and said fin fit tightly, and battery, insulating heat-conductive sheet, fin and plastic washer are fixed as one through securing member.
3. the power battery device of a kind of air-cooled, heat pipe heat radiation according to claim 2; It is characterized in that; Collector pipe and rear water collecting pipe comprise the plug receptacle of a plurality of vertical arrangements respectively before said, and the two ends of each heat pipe are fastenedly connected with the corresponding preceding collector pipe and the plug receptacle of rear water collecting pipe respectively.
4. the power battery device of a kind of air-cooled, heat pipe heat radiation according to claim 3 is characterized in that, further comprises the installation panel of a side that is fixed in battery module, and the positive and negative electrode earhole is set on the said installation panel;
Form a battery unit after at least two cells are connected in parallel according to positive and negative lug, a plurality of battery units are arranged according to the positive and negative electrode earhole on the installation panel and are connected in series.
5. according to the power battery device of claim 1 or 4 described a kind of air-cooled, heat pipe heat radiations, it is characterized in that,
The winding portion that a side towards heat pipe of said fin has the connecting portion that is connected with heat sink body and is attached at heat pipe outer surface.
6. the power battery device of a kind of air-cooled, heat pipe heat radiation according to claim 5 is characterized in that,
The connecting portion of said fin and/or winding portion surface tool are provided with fold or fin.
7. according to the power battery device of claim 1 or 4 described a kind of air-cooled, heat pipe heat radiations, it is characterized in that,
Side towards heat pipe of said fin has the connecting portion that is connected with heat sink body and is set in the outside ring part of heat pipe.
8. the power battery device of a kind of air-cooled, heat pipe heat radiation according to claim 7 is characterized in that,
The internal diameter of said ring part is greater than the external diameter of heat pipe, and said fin carries out the thermal radiation heat radiation through ring part to heat pipe.
9. the power battery device of a kind of air-cooled, heat pipe heat radiation according to claim 7 is characterized in that,
The fit outer surface of said heat pipe of the inner surface of said ring part.
10. according to the power battery device of claim 1 or 4 described a kind of air-cooled, heat pipe heat radiations, it is characterized in that the side towards heat pipe of said fin is fixedly connected with the outer surface of heat pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220244491 CN202585681U (en) | 2012-05-28 | 2012-05-28 | Air cooling and heat pipe radiating power battery device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220244491 CN202585681U (en) | 2012-05-28 | 2012-05-28 | Air cooling and heat pipe radiating power battery device |
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| Publication Number | Publication Date |
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| CN202585681U true CN202585681U (en) | 2012-12-05 |
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| CN 201220244491 Expired - Fee Related CN202585681U (en) | 2012-05-28 | 2012-05-28 | Air cooling and heat pipe radiating power battery device |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106627085A (en) * | 2017-03-08 | 2017-05-10 | 祝凤娟 | Chassis cooling system for battery pack |
| CN106937516A (en) * | 2017-04-07 | 2017-07-07 | 广西中川信息工程有限公司 | A kind of pipe radiating network equipment |
| CN107146923A (en) * | 2017-05-17 | 2017-09-08 | 南京林业大学 | A kind of power battery pack temperature uniforming heat radiation device being made up of cold drawing array and processing method |
| CN107394073A (en) * | 2017-07-19 | 2017-11-24 | 北京军秀咨询有限公司 | A kind of removable lithium battery of removing stage makeup and costume of good heat dissipation |
| CN106129529B (en) * | 2016-08-17 | 2019-04-19 | 合肥国轩高科动力能源有限公司 | Hybrid heat dissipation type power battery pack |
| CN113794002A (en) * | 2021-09-16 | 2021-12-14 | 浙江长兴中俄新能源材料技术研究院有限公司 | Battery module samming heat radiation structure and air conditioning connection structure |
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2012
- 2012-05-28 CN CN 201220244491 patent/CN202585681U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106129529B (en) * | 2016-08-17 | 2019-04-19 | 合肥国轩高科动力能源有限公司 | Hybrid heat dissipation type power battery pack |
| CN106627085A (en) * | 2017-03-08 | 2017-05-10 | 祝凤娟 | Chassis cooling system for battery pack |
| CN106937516A (en) * | 2017-04-07 | 2017-07-07 | 广西中川信息工程有限公司 | A kind of pipe radiating network equipment |
| CN107146923A (en) * | 2017-05-17 | 2017-09-08 | 南京林业大学 | A kind of power battery pack temperature uniforming heat radiation device being made up of cold drawing array and processing method |
| CN107146923B (en) * | 2017-05-17 | 2023-09-22 | 南京林业大学 | Power battery pack uniform temperature heat dissipation device composed of cold plate arrays and processing method |
| CN107394073A (en) * | 2017-07-19 | 2017-11-24 | 北京军秀咨询有限公司 | A kind of removable lithium battery of removing stage makeup and costume of good heat dissipation |
| CN113794002A (en) * | 2021-09-16 | 2021-12-14 | 浙江长兴中俄新能源材料技术研究院有限公司 | Battery module samming heat radiation structure and air conditioning connection structure |
| CN113794002B (en) * | 2021-09-16 | 2024-06-11 | 浙江长兴中俄新能源材料技术研究院有限公司 | Battery module samming heat radiation structure and air conditioning connection structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20121205 Termination date: 20190528 |