CN213520143U - Liquid cooling device for soft package power battery pack - Google Patents
Liquid cooling device for soft package power battery pack Download PDFInfo
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- CN213520143U CN213520143U CN202022065210.2U CN202022065210U CN213520143U CN 213520143 U CN213520143 U CN 213520143U CN 202022065210 U CN202022065210 U CN 202022065210U CN 213520143 U CN213520143 U CN 213520143U
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- liquid cooling
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- cooling pipe
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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 liquid cooling device for a soft package power battery pack, which comprises a battery pack tray, wherein a liquid cooling main pipe is arranged in the battery pack tray, the liquid cooling main pipe comprises a first liquid cooling pipe, a second liquid cooling pipe and a third liquid cooling pipe, the spiral liquid cooling pipe, the fourth liquid cooling pipe and the fifth liquid cooling pipe are formed, the side end of the first liquid cooling pipe is communicated with one end of the second liquid cooling pipe, the other end of the second liquid cooling pipe is vertically connected with the third liquid cooling pipe, the other end of the third liquid cooling pipe is communicated with the middle end of the spiral liquid cooling pipe, the other end of the spiral liquid cooling pipe is communicated with the fourth liquid cooling pipe, the fourth liquid cooling pipe is communicated with the fifth liquid cooling pipe, the first liquid cooling pipe is connected with the liquid inlet pipe, the fifth liquid cooling pipe is connected with the liquid outlet pipe, the liquid outlet pipe is connected with the radiator, the radiator is connected with the oil storage tank through a connecting pipe, an oil pump is installed in the oil storage tank, and the output end of the oil pump is connected with the liquid inlet. The utility model discloses it is big with group battery area of contact, be convenient for carry out the heat exchange with the group battery, the radiating effect is good.
Description
Technical Field
The utility model relates to a group battery liquid cooling technical field, in particular to liquid cooling device for soft packet of power battery group.
Background
One of the key technologies of new energy vehicles is a power battery, and a lithium ion power battery is well applied to a battery pack of an electric vehicle at present due to the advantages of excellent power output characteristics, long service life and the like. However, the performance of the lithium ion power battery is sensitive to temperature change, and particularly the lithium iron phosphate lithium ion battery with high capacity and high power used for a power automobile. The internal loading space of the power automobile is limited, the number of batteries required by the automobile is large, and the batteries are tightly arranged and connected. When the vehicle is operated under different driving conditions of alternating high speed, low speed, acceleration, deceleration, etc., the battery is discharged at different rates, generating a large amount of heat at different heat generation rates, and uneven heat accumulation occurs due to time accumulation and spatial influence. If the battery pack of the electric automobile can not timely dissipate heat at high temperature, the temperature of the battery pack system is overhigh or the temperature distribution is uneven, the charge-discharge cycle efficiency of the battery is reduced, thermal runaway is caused in serious conditions, and the safety and the reliability of the battery are affected. The existing battery pack liquid cooling device has the defects that the contact area between a liquid cooling pipe and a battery pack is small, the heat dissipation effect is poor, and the safety and the reliability of a battery are influenced.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a main aim at provides a liquid cooling device for soft packet of power battery group can effectively solve the problem in the background art.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a liquid cooling device for a soft package power battery pack comprises a battery pack tray, wherein a fixing frame and a partition plate are installed on the battery pack tray, the partition plate divides the fixing frame into a plurality of placing cavities, the battery pack is installed in the placing cavities, a liquid cooling main pipe is arranged in the battery pack tray and consists of a first liquid cooling pipe, a second liquid cooling pipe, a third liquid cooling pipe, a spiral liquid cooling pipe, a fourth liquid cooling pipe and a fifth liquid cooling pipe, the side end of the first liquid cooling pipe is communicated with one end of the second liquid cooling pipe, the other end of the second liquid cooling pipe is vertically connected with the third liquid cooling pipe, the other end of the third liquid cooling pipe is communicated with the middle end of the spiral liquid cooling pipe, the third liquid cooling pipe is arranged at the lower end of the spiral liquid cooling pipe, the spiral liquid cooling pipe is arranged at the end face of the battery pack tray, and the other end of the spiral liquid cooling pipe is communicated with the fourth liquid cooling pipe, the fourth liquid cooling pipe is communicated with the fifth liquid cooling pipe, the first liquid cooling pipe is connected with the liquid inlet pipe, the fifth liquid cooling pipe is connected with the liquid outlet pipe, the liquid outlet pipe is connected with the radiator, the radiator is connected with the oil storage tank through the connecting pipe, an oil pump is installed in the oil storage tank, and the output end of the oil pump is connected with the liquid inlet pipe.
Preferably, a coolant is arranged in the liquid cooling main pipe, and the coolant is a glycol coolant.
Preferably, the heat sink is an air heat sink.
Preferably, the battery pack tray, the fixing frame and the partition plate are made of aluminum profiles.
Preferably, the battery pack tray is adhered to the battery pack through heat-conducting insulating silica gel.
Preferably, the outer sides of the battery pack tray, the fixing frame and the partition plate are wrapped in a sealing mode through heat-insulating protective films.
Compared with the prior art, the utility model discloses following beneficial effect has: the liquid cooling device for the soft package power battery pack is used, an oil pump is started, the oil pump conveys cooling liquid in an oil storage tank to a first liquid cooling pipe through a liquid inlet pipe and conveys the cooling liquid to a spiral liquid cooling pipe through the first liquid cooling pipe, a second liquid cooling pipe and a third liquid cooling pipe, the spiral liquid cooling pipe is arranged on the end face of a tray of the battery pack and is of a spiral structure, the spiral liquid cooling pipe is large in contact area with the battery pack and is convenient to exchange heat with the battery pack, the heat dissipation effect is good, the cooling liquid is conveyed to a liquid outlet pipe through the spiral liquid cooling pipe, the fourth liquid cooling pipe and a fifth liquid cooling pipe, meanwhile, the first liquid cooling pipe, the second liquid cooling pipe, the third liquid cooling pipe, the fourth liquid cooling pipe and the fifth liquid cooling pipe are in contact with the tray of the battery pack to exchange heat, the heat dissipation is convenient, the hot cooling liquid is conveyed to a radiator through the liquid outlet pipe, the cooling liquid in the radiator is convenient to exchange heat with air, and the cooling liquid in the radiator returns to the oil storage tank through a connecting, can be recycled.
Drawings
Fig. 1 is a schematic view of the overall structure of a liquid cooling device for a soft-package power battery pack according to the present invention;
fig. 2 is a schematic plan view of a battery tray of a liquid cooling device for a soft-package power battery pack according to the present invention;
fig. 3 is a top view of the liquid cooling device for a soft-package power battery pack according to the present invention;
fig. 4 is the utility model relates to a liquid cooling device's schematic structure diagram for soft packet of power battery group.
In the figure: 1. a battery pack tray; 2. a fixing frame; 3. a partition plate; 4. a placement chamber; 5. a battery pack; 6. a first liquid-cooled tube; 7. a second liquid-cooled tube; 8. a third liquid-cooled tube; 9. a spiral liquid-cooled tube; 10. a fourth liquid-cooled tube; 11. a fifth liquid-cooled tube; 12. a liquid inlet pipe; 13. a liquid outlet pipe; 14. a heat sink; 15. a connecting pipe; 16. An oil storage tank; 17. an oil pump; 18. a liquid cooling manifold.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.
As shown in fig. 1-4, a liquid cooling device for a soft package power battery pack comprises a battery pack tray 1, wherein a fixed frame 2 and a partition plate 3 are installed on the battery pack tray 1, the partition plate 3 divides the fixed frame 2 into a plurality of placing cavities 4, battery packs 5 are installed in the placing cavities 4, a liquid cooling main pipe 18 is arranged in the battery pack tray 1, the liquid cooling main pipe 18 is composed of a first liquid cooling pipe 6, a second liquid cooling pipe 7, a third liquid cooling pipe 8, a spiral liquid cooling pipe 9, a fourth liquid cooling pipe 10 and a fifth liquid cooling pipe 11, the side end of the first liquid cooling pipe 6 is communicated with one end of the second liquid cooling pipe 7, the other end of the second liquid cooling pipe 7 is vertically connected with the third liquid cooling pipe 8, the other end of the third liquid cooling pipe 8 is communicated with the middle end of the spiral liquid cooling pipe 9, the third liquid cooling pipe 8 is arranged at the lower end of the spiral liquid cooling pipe 9, just spiral liquid-cooled tube 9 establishes the terminal surface at group battery tray 1, the other end and the fourth liquid-cooled tube 10 of spiral liquid-cooled tube 9 are linked together, fourth liquid-cooled tube 10 is linked together with fifth liquid-cooled tube 11, just first liquid-cooled tube 6 is connected with feed liquor pipe 12, fifth liquid-cooled tube 11 is connected with drain pipe 13, drain pipe 13 is connected with radiator 14, radiator 14 is connected with oil storage tank 16 through connecting pipe 15, install oil pump 17 in the oil storage tank 16, the output of oil pump 17 is connected with feed liquor pipe 12.
In this embodiment, preferably, the cooling liquid is provided in the liquid cooling main pipe 18, the cooling liquid is a glycol-type cooling liquid, the glycol-type cooling liquid can be arbitrarily prepared into cooling liquids with various freezing points because glycol is easily dissolved in water, and the lowest freezing point of the glycol-type cooling liquid can reach-68 ℃.
In this embodiment, preferably, the radiator 14 is an air radiator, so that the cooling liquid in the radiator 14 exchanges heat with air conveniently.
In this embodiment, it is preferable that the battery pack tray 1, the fixing frame 2, and the partition plate 3 are made of aluminum profiles, and have good heat conductivity, and are convenient for heat exchange with the coolant in the liquid cooling header pipe 18.
In this embodiment, it is preferred, adopt the adhesion of heat conduction insulating silica gel between group battery tray 1 and the group battery 5, the group battery tray 1 is transmitted through heat conduction insulating silica gel to the temperature of the group battery 5 of being convenient for, is convenient for carry out the heat transfer.
In this embodiment, preferably, the outer sides of the battery tray 1, the fixing frame 2 and the partition plate 3 are wrapped with a heat insulation protective film in a sealing manner, so that external temperature is prevented from being transferred to the liquid cooling device.
It should be noted that, when the liquid cooling device for the soft package power battery pack is used, the oil pump 17 is started, the oil pump 17 conveys the cooling liquid in the oil storage tank 16 to the first liquid cooling pipe 6 through the liquid inlet pipe 12, the cooling liquid is conveyed to the spiral liquid cooling pipe 9 through the first liquid cooling pipe 6, the second liquid cooling pipe 7 and the third liquid cooling pipe 8, the spiral liquid cooling pipe 9 is arranged on the end surface of the battery pack tray 1, the spiral liquid cooling pipe 9 is of a spiral structure, the contact area between the spiral liquid cooling pipe 9 and the battery pack 5 is large, heat exchange with the battery pack 5 is facilitated, the heat dissipation effect is good, the cooling liquid is conveyed to the liquid outlet pipe 13 through the spiral liquid cooling pipe 9, the fourth liquid cooling pipe 10 and the fifth liquid cooling pipe 11, meanwhile, the first liquid cooling pipe 6, the second liquid cooling pipe 7, the third liquid cooling pipe 8, the fourth liquid cooling pipe 10 and the fifth liquid cooling pipe 11 are in contact with the battery pack tray 1 for heat exchange, heat dissipation is facilitated, the liquid outlet pipe 13 conveys the hot coolant to the radiator 14, so that the coolant in the radiator 14 exchanges heat with air, and the coolant in the radiator 14 returns to the oil storage tank 16 through the connecting pipe 15 for recycling.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides a liquid cooling device for soft packet of power battery group, includes group battery tray (1), its characterized in that: the battery pack tray is characterized in that a fixed frame (2) and a partition plate (3) are installed on the battery pack tray (1), the partition plate (3) divides the fixed frame (2) into a plurality of placing cavities (4), a battery pack (5) is installed in each placing cavity (4), a liquid cooling main pipe (18) is arranged in the battery pack tray (1), the liquid cooling main pipe (18) is composed of a first liquid cooling pipe (6), a second liquid cooling pipe (7), a third liquid cooling pipe (8), a spiral liquid cooling pipe (9), a fourth liquid cooling pipe (10) and a fifth liquid cooling pipe (11), the side end of the first liquid cooling pipe (6) is communicated with one end of the second liquid cooling pipe (7), the other end of the second liquid cooling pipe (7) is vertically connected with a third liquid cooling pipe (8), the other end of the third liquid cooling pipe (8) is communicated with the middle end of the spiral liquid cooling pipe (9), and the third liquid cooling pipe (8) is arranged at the lower end of the spiral liquid cooling pipe (9), just the terminal surface at group battery tray (1) is established in spiral liquid cold tube (9), the other end and the fourth liquid cold tube (10) of spiral liquid cold tube (9) are linked together, fourth liquid cold tube (10) are linked together with fifth liquid cold tube (11), just first liquid cold tube (6) are connected with feed liquor pipe (12), fifth liquid cold tube (11) are connected with drain pipe (13), drain pipe (13) are connected with radiator (14), radiator (14) are connected with oil storage tank (16) through connecting pipe (15), install oil pump (17) in oil storage tank (16), the output of oil pump (17) is connected with feed liquor pipe (12).
2. The liquid cooling device for the soft package power battery pack according to claim 1, wherein: and a cooling liquid is arranged in the liquid cooling main pipe (18), and the cooling liquid is glycol type cooling liquid.
3. The liquid cooling device for the soft package power battery pack according to claim 1, wherein: the heat sink (14) is an air heat sink.
4. The liquid cooling device for the soft package power battery pack according to claim 1, wherein: the battery pack tray (1), the fixing frame (2) and the partition plate (3) are made of aluminum profiles.
5. The liquid cooling device for the soft package power battery pack according to claim 4, wherein: and the battery pack tray (1) is adhered to the battery pack (5) through heat-conducting insulating silica gel.
6. The liquid cooling device for the soft package power battery pack according to claim 5, wherein: the outer sides of the battery pack tray (1), the fixing frame (2) and the partition plate (3) are wrapped by heat-insulating protective films in a sealing mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022065210.2U CN213520143U (en) | 2020-09-21 | 2020-09-21 | Liquid cooling device for soft package power battery pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022065210.2U CN213520143U (en) | 2020-09-21 | 2020-09-21 | Liquid cooling device for soft package power battery pack |
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| CN213520143U true CN213520143U (en) | 2021-06-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022065210.2U Active CN213520143U (en) | 2020-09-21 | 2020-09-21 | Liquid cooling device for soft package power battery pack |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117596838A (en) * | 2023-11-20 | 2024-02-23 | 广东翼丰盛科技有限公司 | Cooling fin for liquid cooling system and liquid cooling radiator adopting cooling fin |
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2020
- 2020-09-21 CN CN202022065210.2U patent/CN213520143U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117596838A (en) * | 2023-11-20 | 2024-02-23 | 广东翼丰盛科技有限公司 | Cooling fin for liquid cooling system and liquid cooling radiator adopting cooling fin |
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