CN215451547U - New energy automobile power battery package structure - Google Patents
New energy automobile power battery package structure Download PDFInfo
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- CN215451547U CN215451547U CN202122103498.2U CN202122103498U CN215451547U CN 215451547 U CN215451547 U CN 215451547U CN 202122103498 U CN202122103498 U CN 202122103498U CN 215451547 U CN215451547 U CN 215451547U
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- liquid cooling
- new energy
- box body
- battery module
- energy automobile
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- 238000001816 cooling Methods 0.000 claims abstract description 70
- 239000007788 liquid Substances 0.000 claims abstract description 54
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 29
- 238000007599 discharging Methods 0.000 claims abstract description 13
- 230000017525 heat dissipation Effects 0.000 claims abstract description 12
- 230000003014 reinforcing effect Effects 0.000 claims description 12
- 238000007789 sealing Methods 0.000 claims description 11
- 238000004891 communication Methods 0.000 claims description 8
- 238000012423 maintenance Methods 0.000 claims description 7
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- 239000000741 silica gel Substances 0.000 claims description 3
- 229910002027 silica gel Inorganic materials 0.000 claims description 3
- 206010000369 Accident Diseases 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 9
- 238000000034 method Methods 0.000 description 5
- 238000011161 development Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The utility model discloses a new energy automobile power battery pack structure which comprises a battery box, a liquid cooling heat dissipation mechanism, a battery module and an electric control board. The battery box comprises a box body and a box cover which are fixedly connected, and a closed cavity is formed between the box body and the box cover. The outer wall of the box body is provided with a charging plug-in, a discharging plug-in, a water inlet and a water outlet. The liquid cooling heat dissipation mechanism comprises a plurality of liquid cooling plates which are distributed in parallel and liquid cooling channels fixed on the liquid cooling plates, and a cooling area is formed between every two adjacent liquid cooling plates. The inlet of the liquid cooling runner is communicated with the water inlet, and the outlet of the liquid cooling runner is communicated with the water outlet. The battery module is a plurality of, and every battery module all is located cooling zone. The electric control board is respectively and electrically connected with the battery module, the charging connector and the discharging connector so as to control the battery module to perform charging and discharging work. Compared with the prior art, the new energy automobile power battery pack structure is high in heat dissipation performance, so that fire accidents are avoided.
Description
Technical Field
The utility model relates to the technical field of new energy automobiles, in particular to a power battery pack structure of a new energy automobile.
Background
With the rapid development of the automobile industry, the quantity of automobile reserves in China is rapidly increased, the consumption of the existing non-renewable resources in the world is accelerated, and meanwhile, the exhaust gas discharged in the automobile driving process also causes huge atmospheric pollution, such as increasingly serious atmospheric pollution problems like haze and the like. In order to relieve the pressure of the current non-renewable resources and the atmospheric environment, research and development of new energy automobiles such as pure electric vehicles and hybrid electric vehicles are very important for all countries and automobile manufacturers. The pure electric vehicle is one of the development directions of new energy vehicles, and the new energy vehicles adopt the battery pack to store electric energy as a power source for driving of the electric vehicles, so that the power battery system is a key component of the new energy vehicles. The battery pack of the electric automobile needs to be provided with a certain number of battery modules so as to ensure the power input and the driving power supply voltage requirements required in the driving process of the electric automobile.
In order to enable the new energy electric automobile to have long-distance cruising ability, a high-capacity and high-density power battery pack needs to be adopted, so that the arrangement of the single batteries is compact, a large amount of heat is easy to accumulate in the high-power discharging process of the electric automobile, and the temperature of the battery pack is continuously increased. In addition, the internal structure of the battery pack is complex, the heat dissipation effect and the heat productivity of each part are different, and the temperature distribution of the battery pack is easy to be uneven, so that the service performance and the cycle life of the single battery are reduced, and more serious safety accidents such as electric automobile fire and the like can be caused.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a new energy automobile power battery pack structure which is used for improving the heat dissipation performance of the new energy automobile power battery pack structure, so that the service performance of the new energy automobile power battery pack structure is improved, the service life of the new energy automobile power battery pack structure is prolonged, and the occurrence of fire accidents is avoided.
In order to achieve the purpose, the utility model provides the following scheme:
the utility model discloses a new energy automobile power battery pack structure, which comprises:
the battery box comprises a box body and a box cover which are fixedly connected, and a closed cavity is formed between the box body and the box cover; a charging connector, a discharging connector, a water inlet and a water outlet are arranged on the outer wall of the box body;
the liquid cooling heat dissipation mechanism comprises a plurality of liquid cooling plates which are distributed in parallel and liquid cooling channels which are fixed on the liquid cooling plates, and a cooling area is formed between every two adjacent liquid cooling plates; the inlet of the liquid cooling runner is communicated with the water inlet, and the outlet of the liquid cooling runner is communicated with the water outlet;
the battery modules are multiple, and each battery module is located in the cooling area;
and the electric control board is respectively and electrically connected with the battery module, the charging connector and the discharging connector so as to control the battery module to perform charging and discharging work.
Preferably, the solar water heater further comprises a supporting plate, the supporting plate comprises a bottom plate and two side plates fixed on the bottom plate, the battery module, the electric control plate and the liquid cooling plate are fixed on the upper surface of the bottom plate and located between the two side plates, the side plates are in contact with the inner side wall of the box body, cooling fins are arranged on the outer side wall of the box body, and the cooling fins are opposite to the side plates.
Preferably, the battery pack further comprises a reinforcing plate fixed to the lower surface of the case cover, and the top end of the battery module is in contact with the lower surface of the reinforcing plate.
Preferably, the reinforcing plate is provided with a hollow structure, and the hollow structure is triangular.
Preferably, the case lid lower extreme is equipped with the first fixed limit of outside extension, the case body upper end is equipped with the second fixed limit of outside extension, first fixed limit with the second fixed limit passes through the detachable fixed connection of fastener.
Preferably, the lower end of the box cover is provided with an annular sealing edge, and the outer side wall of the sealing edge can be in sealing contact with the inner side wall of the box body.
Preferably, the outer wall of the box body is further provided with a communication interface and a maintenance switch, and the communication interface and the maintenance switch are electrically connected with the electric control board.
Preferably, the box body is provided with a connecting bracket, the connecting bracket is fixed on the outer side wall of the box body, and the connecting bracket is used for connecting the box body with an external structure.
Preferably, the battery module is in direct contact with the liquid cooling plate.
Preferably, still include the heat-conducting plate, the heat-conducting plate is located the battery module with between the liquid cooling board, the coating has the heat conduction silica gel layer on the heat-conducting plate, the heat-conducting plate respectively with the battery module with liquid cooling board direct contact.
Compared with the prior art, the utility model has the following technical effects:
according to the utility model, the cooling area is formed between two adjacent liquid cooling plates, each battery module is positioned in the cooling area, namely, liquid cooling channels for cooling are arranged on two sides of each battery module, so that the heat exchange area of the battery modules is increased, the cooling effect of the battery modules is improved, and the surface temperature distribution of the battery modules is more uniform.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic overall structure diagram of a power battery pack structure of the new energy vehicle according to the embodiment;
FIG. 2 is an exploded view of FIG. 1;
FIG. 3 is an enlarged view of a portion A of FIG. 2;
FIG. 4 is a schematic view of the case separated from the cover;
FIG. 5 is a schematic view of a liquid-cooled heat dissipation mechanism;
description of reference numerals: 1-a box body; 2-box cover; 3-connecting a bracket; 4-a water inlet; 5-water outlet; 6-charging plug-in; 7-a communication interface; 8-a discharge connector; 9-maintenance switch; 10-a heat sink; 11-a support plate; 12-an electrical control board; 13-a battery module; 14-liquid cooling heat dissipation mechanism; 15-a reinforcing plate; 16-a water inlet pipeline; 17-sealing edge; 18-a first fixed edge; 19-a second fixed edge; 20-inner edge; 21-liquid cooling plate; 22-liquid cooling flow path.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The utility model aims to provide a new energy automobile power battery pack structure which is used for improving the heat dissipation performance of the new energy automobile power battery pack structure, so that the service performance of the new energy automobile power battery pack structure is improved, the service life of the new energy automobile power battery pack structure is prolonged, and the occurrence of fire accidents is avoided.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
As shown in fig. 1 to 5, the present embodiment provides a new energy vehicle power battery pack structure, which includes a battery box, a liquid cooling heat dissipation mechanism 14, a battery module 13, and an electrical control board 12.
Wherein, the battery box includes fixed box 1 and case lid 2 that links to each other, forms airtight cavity between box 1 and the case lid 2 to play dustproof effect to airtight cavity inner structure. The outer wall of the box body 1 is provided with a charging connector 6, a discharging connector 8, a water inlet 4 and a water outlet 5. The charging plug connector is used for connecting an external power supply to charge the battery module 13; the discharge connector 8 is used for connecting an external electric device such as a motor to supply power to the electric device. The water inlet 4 is used for connecting outside water source, and the rivers that come from outside water source carry out the heat exchange with the inside battery module 13 of battery box after 4 entering battery boxes of water inlet, later flow out of battery box through delivery port 5 to take away the heat of battery box inside, play the effect of cooling. The liquid cooling heat dissipation mechanism 14 includes a plurality of liquid cooling plates 21 distributed in parallel and liquid cooling channels 22 fixed on the liquid cooling plates 21, and a cooling zone is formed between two adjacent liquid cooling plates 21. The inlet of the liquid cooling flow passage 22 is communicated with the water inlet 4, and the outlet of the liquid cooling flow passage 22 is communicated with the water outlet 5. Battery module 13 is a plurality of, and every battery module 13 all is located cooling zone, and the both sides of every battery module 13 all have the liquid cooling runner 22 that is used for the cooling promptly, have increased battery module 13's heat transfer area to improve battery module 13's cooling effect, made battery module 13 surface temperature distribution more even. The electric control board 12 is electrically connected to the battery module 13, the charging connector 6, and the discharging connector 8, respectively, to control the charging and discharging operations of the battery module 13. It should be noted that, in addition to water, those skilled in the art may also use other liquids such as oil to cool the battery box. In this embodiment, the battery modules 13 and the liquid cooling plate 21 are both arranged in two rows, and those skilled in the art may select other distribution forms according to different actual needs. In this embodiment, the liquid cooling channels 22 are connected in series to form an integral channel, one end of the integral channel is connected to the water inlet 4 through the water inlet pipeline 16, and the other end of the integral channel is connected to the water outlet 5 through the water outlet pipeline. Other connection methods such as parallel connection of the liquid cooling channels 22 may be selected by those skilled in the art according to actual needs.
In order to further improve the cooling effect of the battery module 13, the present embodiment further includes a supporting plate 11, and the supporting plate 11 includes a bottom plate and two side plates fixed on the bottom plate. Battery module 13, electric control board 12 and liquid cold plate 21 all are fixed in the upper surface of bottom plate and are located between two curb plates, and the curb plate contacts with the inside wall of box 1, and liquid cold plate 21 is located between two curb plates and with curb plate mutually perpendicular. The outer side wall of the box body 1 is provided with a radiating fin 10, and the radiating fin 10 is opposite to the side plate. The supporting plate 11 and the heat sink 10 are made of a material with good thermal conductivity, such as aluminum alloy, so as to improve the thermal conductivity. For the battery module 13, except that both side surfaces of the battery module 13 can exchange heat with the liquid cooling flow channel 22, the lower end of the battery module 13 can also exchange heat with the supporting plate 11, and heat on the supporting plate 11 is conducted to the outer side of the battery box through the box body 1 and the radiating fins 10, so that the cooling effect of the battery module 13 is further improved.
In order to reinforce the overall strength of the cover 2, the present embodiment further includes a reinforcing plate 15. The reinforcing plate 15 is fixed to the lower surface of the case cover 2, and the top end of the battery module 13 is in contact with the lower surface of the reinforcing plate 15.
In order to ensure the strength of the reinforcing plate 15 while reducing the weight and saving the cost, the reinforcing plate 15 is provided with a hollow structure in this embodiment, and the hollow structure is triangular. The triangle shape has stability, so that the phenomenon that the box cover 2 is bent due to vibration can be effectively prevented, and the stability of the device is improved.
The connection mode of the box body 1 and the box cover 2 has various modes, and the skilled person can select the connection mode according to the actual requirement. In this embodiment, the lower end of the box cover 2 is provided with a first fixing edge 18 extending outwards, the upper end of the box body 1 is provided with a second fixing edge 19 extending outwards, and the first fixing edge 18 and the second fixing edge 19 are detachably and fixedly connected through a fastener. According to different actual needs, the skilled person can connect the box body 1 and the box cover 2 by other means such as hinge joint. In order to improve the sealing effect, in the embodiment, the lower end of the box cover 2 is provided with an annular sealing edge 17, and the outer side wall of the sealing edge 17 can be in sealing contact with the inner side wall (i.e. the inner edge 20) of the box body 1.
Further, in this embodiment, the outer wall of the box body 1 is further provided with a communication interface 7 and a maintenance switch 9, and the communication interface 7 and the maintenance switch 9 are electrically connected with the electrical control board 12. The communication interface 7 is used for being electrically connected with the vehicle-mounted controller so as to know the electric quantity of the battery module 13. The service switch 9 is a commonly used manually operated device for disconnecting high voltage electricity in the vehicle at the time of service.
In order to fix the battery box on the vehicle, the present embodiment further includes a connecting bracket 3, and the connecting bracket 3 is fixed on the outer side wall of the box body 1. The connecting bracket 3 is provided with a mounting hole for mounting a fastener, and the box body 1 can be connected with an external structure through the fastener.
The battery module 13 may be in direct contact with the liquid cooling plate 21, or an intermediate structure for conducting heat may be provided therebetween. In this embodiment, a heat conducting plate is arranged between the battery module 13 and the liquid cooling plate 21, the heat conducting plate is fixed on the supporting plate 11, a heat conducting silica gel layer is coated on the heat conducting plate, and the heat conducting plate is in direct contact with the battery module 13 and the liquid cooling plate 21 respectively and transfers heat through the heat conducting plate.
The principle and the implementation mode of the present invention are explained by applying specific examples in the present specification, and the above descriptions of the examples are only used to help understanding the method and the core idea of the present invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the utility model.
Claims (10)
1. The utility model provides a new energy automobile power battery package structure which characterized in that includes:
the battery box comprises a box body and a box cover which are fixedly connected, and a closed cavity is formed between the box body and the box cover; a charging connector, a discharging connector, a water inlet and a water outlet are arranged on the outer wall of the box body;
the liquid cooling heat dissipation mechanism comprises a plurality of liquid cooling plates which are distributed in parallel and liquid cooling channels which are fixed on the liquid cooling plates, and a cooling area is formed between every two adjacent liquid cooling plates; the inlet of the liquid cooling runner is communicated with the water inlet, and the outlet of the liquid cooling runner is communicated with the water outlet;
the battery modules are multiple, and each battery module is located in the cooling area;
and the electric control board is respectively and electrically connected with the battery module, the charging connector and the discharging connector so as to control the battery module to perform charging and discharging work.
2. The new energy automobile power battery pack structure as claimed in claim 1, further comprising a support plate, wherein the support plate comprises a bottom plate and two side plates fixed on the bottom plate, the battery module, the electrical control board and the liquid cooling plate are all fixed on the upper surface of the bottom plate and located between the two side plates, the side plates are in contact with the inner side wall of the box body, and the outer side wall of the box body is provided with a heat sink, and the heat sink is opposite to the side plates.
3. The new energy automobile power battery pack structure of claim 1, further comprising a reinforcing plate fixed to a lower surface of the box cover, and a top end of the battery module is in contact with a lower surface of the reinforcing plate.
4. The new energy automobile power battery pack structure as claimed in claim 3, wherein a hollowed-out structure is arranged on the reinforcing plate, and the hollowed-out structure is triangular.
5. The new energy automobile power battery pack structure as claimed in claim 1, wherein a first fixing edge extending outwards is arranged at the lower end of the box cover, a second fixing edge extending outwards is arranged at the upper end of the box body, and the first fixing edge and the second fixing edge are detachably and fixedly connected through a fastener.
6. The new energy automobile power battery pack structure as claimed in claim 1, wherein the lower end of the box cover is provided with an annular sealing edge, and the outer side wall of the sealing edge can be in sealing contact with the inner side wall of the box body.
7. The new energy automobile power battery pack structure as claimed in claim 1, wherein a communication interface and a maintenance switch are further arranged on the outer wall of the box body, and the communication interface and the maintenance switch are both electrically connected with the electrical control board.
8. The new energy automobile power battery pack structure as claimed in claim 1, further comprising a connecting bracket fixed to an outer side wall of the box body, wherein the connecting bracket is used for connecting the box body with an external structure.
9. The new energy automobile power battery pack structure as claimed in claim 1, wherein the battery module is in direct contact with the liquid cooling plate.
10. The new energy automobile power battery pack structure of claim 1, further comprising a heat conducting plate, wherein the heat conducting plate is located between the battery module and the liquid cooling plate, a heat conducting silica gel layer is coated on the heat conducting plate, and the heat conducting plate is in direct contact with the battery module and the liquid cooling plate respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122103498.2U CN215451547U (en) | 2021-09-02 | 2021-09-02 | New energy automobile power battery package structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122103498.2U CN215451547U (en) | 2021-09-02 | 2021-09-02 | New energy automobile power battery package structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215451547U true CN215451547U (en) | 2022-01-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202122103498.2U Active CN215451547U (en) | 2021-09-02 | 2021-09-02 | New energy automobile power battery package structure |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115084728A (en) * | 2022-07-11 | 2022-09-20 | 安徽舟之航电池有限公司 | A liquid-cooled battery pack for electric vehicles |
| CN115091934A (en) * | 2022-07-04 | 2022-09-23 | 岚图汽车科技有限公司 | Battery package, thermal management system and vehicle |
-
2021
- 2021-09-02 CN CN202122103498.2U patent/CN215451547U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115091934A (en) * | 2022-07-04 | 2022-09-23 | 岚图汽车科技有限公司 | Battery package, thermal management system and vehicle |
| CN115084728A (en) * | 2022-07-11 | 2022-09-20 | 安徽舟之航电池有限公司 | A liquid-cooled battery pack for electric vehicles |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: Room 306, building 4, future venture Plaza, hi tech Zone, Jinan City, Shandong Province Patentee after: Shandong Zhongke advanced technology Co.,Ltd. Country or region after: China Address before: Room 306, building 4, future venture Plaza, hi tech Zone, Jinan City, Shandong Province Patentee before: Shandong Zhongke Advanced Technology Research Institute Co.,Ltd. Country or region before: China |
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