CN213042954U - Hybrid commercial vehicle battery pack module capable of achieving rapid cooling - Google Patents
Hybrid commercial vehicle battery pack module capable of achieving rapid cooling Download PDFInfo
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- CN213042954U CN213042954U CN202022303754.8U CN202022303754U CN213042954U CN 213042954 U CN213042954 U CN 213042954U CN 202022303754 U CN202022303754 U CN 202022303754U CN 213042954 U CN213042954 U CN 213042954U
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- liquid cooling
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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 relates to a rapid cooling's mixed dynamic commercial car battery package module, the battery package comprises a plurality of electric cores of interval arrangement, and it includes: the main liquid cooling plate pipeline is a hollow frame body and wraps the battery pack in a shape matching mode; the liquid cooling plate branch pipelines are arranged in the main liquid cooling plate pipeline at intervals and are staggered with the battery cell of the battery pack, and the liquid cooling plate branch pipelines are communicated with the interior of the main liquid cooling plate pipeline; the bottom plate is arranged at the bottom of the main pipeline of the liquid cooling plate; the water inlet is connected to the outer side wall of the main liquid-cooling plate pipeline and is close to the bottom plate; and the water outlet is connected to the outer side wall of the main pipeline of the liquid cooling plate and is far away from the bottom plate. The utility model discloses rapid cooling's mixed dynamic commercial car battery package module simple structure, the on-vehicle installation of being convenient for, the radiating effect is obvious, can satisfy the heat dissipation requirement of high multiplying power electricity core, practices thrift the cost.
Description
Technical Field
The utility model belongs to the technical field of the battery package cooling, concretely relates to rapid cooling's hybrid commercial car battery package module.
Background
With the further development of new energy vehicles, lithium battery systems become mainstream energy storage devices at present, the temperature environment of each battery cell in the whole life cycle is one of the most critical external factors influencing the life, and how to make each battery cell work in the most appropriate temperature environment becomes a technical problem to be solved by technicians in the industry. Among various heat management schemes, the liquid cooling scheme is the best effect at present and is also one with higher technical difficulty.
Referring to fig. 1, a conventional battery pack module structure is shown, the battery pack is composed of a plurality of battery cells 1 arranged at intervals, and the battery pack module includes a bracket 2, a horizontal liquid cooling plate 3, a water inlet 4 and a water outlet 5.
The support 2 is a hollow frame body, the battery pack is wrapped in the support 2 in a shape matching mode, and a baffle is arranged in the middle of the support 2 and can be determined according to the number of the battery packs.
This horizontal liquid cooling board 3 level sets up in support 2 bottoms for contact electric core 1 bottom is in order to play the cooling effect to electric core 1, and this horizontal liquid cooling board 3's length and width is greater than support 2's length and width.
The water inlet 4 and the water outlet 5 are arranged on the upper surface of the horizontal liquid cooling plate 3 at intervals and communicated with the inside of the horizontal liquid cooling plate 3 for the inlet and outlet of cooling liquid.
After the mixed commercial car battery package of moving of above-mentioned battery package module installation, because 1 charge-discharge multiplying power of electricity core is high, the power of generating heat is big, level liquid cold plate 3 is installed in 1 bottom of electricity core, only 1 bottom of electricity core of the contact surface of electricity core 1 and level liquid cold plate 3, area of contact is little, the heat-sinking capability is limited for when electric core 5C, 6C charge-discharge multiplying power, this battery package module can satisfy the demand, when electric core 1 is used for about 30C when charging and discharging, the heat exchange capacity of this scheme will be not enough.
Hybrid commercial vehicle in the existing market adopts a scheme of a low-energy high-rate battery system, so that a large amount of heat generated by an electric core when in use needs to be taken away more quickly and stably. Based on the defects, the inventor provides a hybrid commercial vehicle battery pack module capable of cooling rapidly to solve the technical problem.
Disclosure of Invention
The utility model aims at overcoming the not enough of prior art and providing a rapid cooling's hybrid commercial car battery package module.
In order to achieve the above purpose, the utility model adopts the technical scheme that: the utility model provides a rapid cooling's mixed moving commercial car battery package module, the battery package comprises a plurality of electric cores of interval arrangement, and it includes:
the main liquid cooling plate pipeline is a hollow frame body and wraps the battery pack in a shape matching mode;
the liquid cooling plate branch pipelines are arranged in the main liquid cooling plate pipeline at intervals and are staggered with the battery cell of the battery pack, and the liquid cooling plate branch pipelines are communicated with the interior of the main liquid cooling plate pipeline;
the bottom plate is arranged at the bottom of the main pipeline of the liquid cooling plate;
the water inlet is connected to the outer side wall of the main liquid-cooling plate pipeline and is close to the bottom plate;
and the water outlet is connected to the outer side wall of the main pipeline of the liquid cooling plate and is far away from the bottom plate.
Optimally, the battery core of the battery pack is a high-rate charging and discharging battery core used by a hybrid commercial vehicle.
Optimally, the water inlet and the water outlet are distributed at two ends of the diagonal line of the same side wall of the main pipeline of the liquid cooling plate.
Optimally, the battery core is connected with the main pipeline of the liquid cooling plate and the branch pipelines of the liquid cooling plate in a seamless mode through heat conducting glue.
Optimally, the bottom plate, the main liquid cooling plate pipeline, the branch liquid cooling plate pipeline and the battery cell are connected into a whole through structural adhesive.
Because of above-mentioned technical scheme's application, compared with the prior art, the utility model have the following advantage: the utility model discloses rapid cooling's mixed dynamic commercial car battery package module passes through the electric core side direct contact of liquid cold plate trunk line, liquid cold plate small transfer line and battery package, and the embedment heat conduction is glued between the contact surface, and then realizes seamless connection formation heat dissipation channel, through the design of low water inlet and high delivery port, makes the coolant liquid pass through liquid cold plate trunk line and liquid cold plate small transfer line, can be fast effectual take away the heat that electric core produced. The utility model discloses rapid cooling's mixed dynamic commercial car battery package module simple structure, the on-vehicle installation of being convenient for, the radiating effect is obvious, can satisfy the heat dissipation requirement of high multiplying power electricity core, practices thrift the cost.
Drawings
Fig. 1 is a schematic structural view of a conventional battery pack module;
fig. 2 is a schematic structural view of the battery pack module of the present invention;
fig. 3 is a thermal simulation diagram of a conventional battery pack module;
fig. 4 is a thermal simulation diagram of a conventional battery pack module after being supplied with a cooling liquid;
fig. 5 is a thermal simulation diagram of the battery pack module of the present invention;
fig. 6 is a thermal simulation diagram of the battery pack module according to the present invention after being filled with the cooling liquid;
description of reference numerals:
1. an electric core; 2. a support; 3. a horizontal liquid-cooled plate; 4. a water inlet; 5. a water outlet; 6. a main liquid cooling plate pipeline; 7. a base plate; 8. the liquid cooling plate is provided with a branch pipe.
Detailed Description
The invention will be further described with reference to examples of embodiments shown in the drawings.
As shown in fig. 2, the utility model discloses rapid cooling's hybrid commercial car battery package module is installed on hybrid commercial car usually to carry on the required battery package of vehicle. The device mainly comprises a main liquid cooling plate pipeline 6, a bottom plate 7, a branch liquid cooling plate pipeline 8, a water inlet 4, a water outlet 5 and the like.
The main liquid cooling plate pipeline 6 is a hollow frame body and wraps the battery pack in a shape matching mode (the interior of the main liquid cooling plate pipeline 6 is in a communicated state; in the embodiment, the battery pack is composed of a plurality of battery cores 1 which are arranged at intervals, and the height of the main liquid cooling plate pipeline 6 is larger than or equal to that of the battery cores 1). Liquid cooling board lateral conduit 8 interval arrangement in liquid cooling board trunk line 6 and with the battery package electric core 1 staggered arrangement (liquid cooling board lateral conduit 8 is the rectangular plate, its inside for the connected state, with electric core 1's staggered arrangement make things convenient for electric core 1's insertion, liquid cooling board lateral conduit 8 and liquid cooling board trunk line 6 integrated into one piece and inside intercommunication each other). The bottom plate 7 is a plastic part and is arranged at the bottom of the liquid cooling plate main pipeline 6 (a groove matched with the battery cell 1 is formed in the bottom plate 7 and used for fixing the liquid cooling plate main pipeline 6 and the battery cell 1). The water inlet 4 is connected on the outer side wall of the main pipeline 6 of the liquid cooling plate and is close to the bottom plate 7 (the water inlet 4 is externally connected with a water inlet pipeline). The water outlet 5 is connected to the outer side wall of the main pipeline 6 of the liquid cooling plate and is far away from the bottom plate 7 (the water outlet 5 is externally connected with a water outlet pipeline).
Further, the battery cell 1 of the battery pack is a high-rate charging and discharging battery cell used by a hybrid commercial vehicle.
Further, water inlet 4 and delivery port 5 distribute at the both ends department of 6 homonymy wall diagonals of liquid cold plate trunk line (do not have fixed position relation between water inlet 4 and the delivery port 5, as long as water inlet 4 is less than delivery port 5 can, the design of low water inlet and high delivery port can make abundant the stretching of coolant liquid at 1 lateral wall of electric core, can effectually play the radiating action to electric core 1).
Further, seamless connection is carried out between electric core 1 and liquid cooling board trunk line 6 and the liquid cooling board branch pipe 8 through heat-conducting glue (heat-conducting glue can realize seamless connection between each structure, and then forms heat dissipation channel).
Further, the bottom plate 7, the main liquid cooling plate pipeline 6, the branch liquid cooling plate pipeline 8 and the battery cell 1 are connected into a whole through structural adhesive.
As shown in fig. 3 and 5, the heating power of monomer electricity core is 18W, and coolant flow is 10L/min, and the initial temperature of coolant liquid is 20 ℃, and ambient temperature is 25 degrees centigrade, under the same condition respectively to conventional battery package module and the utility model discloses a battery package module carries out simulation analysis.
As shown in fig. 4, in the liquid cooling state, after the thermal equilibrium state is finally reached, the maximum temperature of the cell is 43.3 ℃, and the temperature difference is 3.2 ℃.
As shown in fig. 6, in the liquid cooling state, after the thermal equilibrium state is finally reached, the maximum temperature of the cell is 30.9 ℃, and the temperature difference is 1.6 ℃.
The simulation results of two times show that the temperature of the lithium battery pack can be optimized from 43.3 ℃ to 30.9 ℃ and reduced by 28.6 percent; the temperature difference is optimized from 3.2 ℃ to 1.6 ℃, and is reduced by 50%, so that the structure has an obvious effect on the temperature management of the battery core.
The utility model discloses a on the basis, optimize the contact area of liquid cold plate and electric core 1 and the flow of coolant liquid, can further control the temperature rise and the difference in temperature.
The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable people skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.
Claims (5)
1. The utility model provides a rapid cooling's mixed power commercial car battery package module, the battery package comprises a plurality of electric cores (1) of interval arrangement, its characterized in that, it includes:
the liquid cooling plate main pipeline (6), the liquid cooling plate main pipeline (6) is a hollow frame body and wraps the battery pack in a shape matching mode;
the liquid cooling plate branch pipelines (8) are arranged in the liquid cooling plate main pipeline (6) at intervals and are staggered with the battery core (1) of the battery pack, and the liquid cooling plate branch pipelines (8) are communicated with the inside of the liquid cooling plate main pipeline (6);
the bottom plate (7), the said bottom plate (7) is set up in the bottom of the said liquid cold plate main pipe (6);
the water inlet (4) is connected to the outer side wall of the main liquid cooling plate pipeline (6) and is close to the bottom plate (7);
and the water outlet (5) is connected to the outer side wall of the liquid cooling plate main pipeline (6) and is far away from the bottom plate (7).
2. The battery pack module for the hybrid commercial vehicle capable of being cooled rapidly according to claim 1, wherein: the battery core (1) of the battery pack is a high-rate charging and discharging battery core used by a hybrid commercial vehicle.
3. The battery pack module for the hybrid commercial vehicle capable of being cooled rapidly according to claim 1, wherein: the water inlet (4) and the water outlet (5) are distributed at two ends of a diagonal line of the side wall of the main liquid cooling plate pipeline (6).
4. The battery pack module for the hybrid commercial vehicle capable of being cooled rapidly according to claim 1, wherein: the battery core (1) is connected with the liquid cooling plate main pipeline (6) and the liquid cooling plate branch pipelines (8) in a seamless mode through heat conducting glue.
5. The battery pack module for the hybrid commercial vehicle capable of being cooled rapidly according to claim 1, wherein: the bottom plate (7) is connected with the main liquid cooling plate pipeline (6), the branch liquid cooling plate pipeline (8) and the battery cell (1) into a whole through structural adhesive.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022303754.8U CN213042954U (en) | 2020-10-16 | 2020-10-16 | Hybrid commercial vehicle battery pack module capable of achieving rapid cooling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022303754.8U CN213042954U (en) | 2020-10-16 | 2020-10-16 | Hybrid commercial vehicle battery pack module capable of achieving rapid cooling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213042954U true CN213042954U (en) | 2021-04-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022303754.8U Active CN213042954U (en) | 2020-10-16 | 2020-10-16 | Hybrid commercial vehicle battery pack module capable of achieving rapid cooling |
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| CN (1) | CN213042954U (en) |
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- 2020-10-16 CN CN202022303754.8U patent/CN213042954U/en active Active
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