CN209786143U - Power battery liquid cooling system and vehicle with same - Google Patents
Power battery liquid cooling system and vehicle with same Download PDFInfo
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- CN209786143U CN209786143U CN201920814664.XU CN201920814664U CN209786143U CN 209786143 U CN209786143 U CN 209786143U CN 201920814664 U CN201920814664 U CN 201920814664U CN 209786143 U CN209786143 U CN 209786143U
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- liquid cooling
- cooling pipe
- battery
- battery pack
- cooling system
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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
Abstract
The utility model provides a power battery liquid cooling system and vehicle that has it, power battery liquid cooling system includes: a mounting cavity is defined in the box body; the first liquid cooling pipe is arranged in the box body; the first battery pack is arranged in the box body and is positioned on the first liquid cooling pipe; the at least one second battery pack is arranged on the first battery pack and is connected with the first battery pack in series; at least one second liquid cooling pipe is established respectively in the below of at least one second battery package, and at least one second liquid cooling pipe links to each other with first liquid cooling pipe respectively, and a second liquid cooling pipe links to each other with inlet tube and outlet pipe. According to the utility model discloses power battery liquid cooling system has not only saved the installation space of battery package, has strengthened the temperature difference control between the module group moreover, has reduced the difference in temperature between the battery, guarantees the life-span uniformity of battery and the uniformity that generates heat, has increased battery life-span.
Description
Technical Field
The utility model relates to a vehicle field, more specifically relates to a power battery liquid cooling system and vehicle that has it.
Background
The new energy automobile is popularized in China gradually as an energy-saving and emission-reducing measure vigorously popularized by the country, and the power battery as a core component has a vital influence on the performance and cost of the whole electric automobile. The power battery pack used at present is mainly a lithium battery, and the temperature characteristic of most lithium batteries directly influences the performance and the service life of the whole vehicle because the working environment temperature of the lithium batteries is 0-40 ℃. The requirement of the service temperature of the battery is greatly different from the requirement of the actual service environment temperature of the whole vehicle, so a battery thermal management system is required to be added to ensure the service environment temperature of the battery. In recent summer, the time of exceeding 40 ℃ is more and more, and the running working condition of the vehicle is complex, so that the over-high temperature and the uneven temperature distribution of the battery core of the power battery are more easily caused, the power and the energy performance of the battery are influenced, and finally, the safety and the reliability of the battery pack are greatly influenced if the temperature and the temperature difference cannot be effectively controlled.
SUMMERY OF THE UTILITY MODEL
in view of this, the utility model provides a power battery liquid cooling system.
The utility model also provides a vehicle of this power battery liquid cooling system has.
In order to solve the technical problem, the utility model discloses a following technical scheme:
According to the utility model discloses power battery liquid cooling system of first aspect embodiment includes:
The box body is internally provided with a mounting cavity in a limiting way;
The first liquid cooling pipe is arranged in the box body;
The first battery pack is arranged in the box body and is positioned on the first liquid cooling pipe;
At least one second battery pack, wherein the at least one second battery pack is arranged on the first battery pack and is connected with the first battery pack in series;
At least one second liquid cooling pipe, at least one the second liquid cooling pipe is established respectively at least one the below of second battery package, at least one the second liquid cooling pipe respectively with first liquid cooling pipe links to each other, one the second liquid cooling pipe links to each other with inlet tube and outlet pipe.
further, the second battery pack and the second liquid cooling pipe are respectively formed into one, and the second liquid cooling pipe is connected with the first liquid cooling pipe in parallel.
further, the first battery pack and the second battery pack are respectively formed by connecting 4 12 strings of modules in series.
Further, the first liquid cooling pipe and the second liquid cooling pipe respectively comprise four U-shaped parts in the same plane, and each U-shaped part is arranged below the 12 strings of modules.
Furthermore, the first liquid cooling pipe and the second liquid cooling pipe are respectively provided with a heat conducting pad.
Further, the inner bottom surface of the box body is limited with a first groove corresponding to the shape of the first liquid cooling pipe for placing the first liquid cooling pipe.
further, power battery liquid cooling system still include: the support is arranged between the first battery pack and the second battery pack, and a second groove corresponding to the second liquid cooling pipe in shape is formed in the support and used for placing the second liquid cooling pipe.
Further, power battery liquid cooling system still include: the heat preservation pad is arranged between the support and the second battery pack.
Further, the first liquid cooling pipe and the second liquid cooling pipe are made of aluminum alloy materials respectively, and the support and the box body are made of magnesium alloy materials respectively.
According to the utility model discloses vehicle of second aspect embodiment includes according to above-mentioned embodiment power battery liquid cooling system.
The utility model discloses an above-mentioned technical scheme's beneficial effect as follows:
According to the utility model discloses power battery liquid cooling system stacks first battery package and at least one second battery package in proper order to cool off first battery package and second battery package respectively through first liquid cooling pipe and second liquid cooling pipe, this power battery liquid cooling system has not only saved the installation space of battery package, has strengthened the temperature difference control to the module group moreover, has reduced the difference in temperature between the battery, guarantees the life-span uniformity of battery and the uniformity that generates heat, has increased battery life.
Drawings
Fig. 1 is a schematic structural diagram of a liquid cooling system of a power battery according to an embodiment of the present invention;
Fig. 2 is according to the utility model discloses in the embodiment first liquid cooling pipe of power battery liquid cooling system and second liquid cooling pipe's schematic structure.
Reference numerals:
A power battery liquid cooling system 100; a case 10; a first liquid-cooled tube 20; a first battery pack 30; a second battery pack 40; a second liquid-cooled tube 50; a water inlet pipe 51; a water outlet pipe 52; a heat insulating pad 60; a bracket 70; and a protective pad 80.
Detailed Description
In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined below to clearly and completely describe the technical solution of the embodiments of the present invention. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. All other embodiments, which can be derived from the description of the embodiments of the present invention by a person skilled in the art, are within the scope of the present invention.
Unless otherwise defined, technical or scientific terms used herein shall have the ordinary meaning as understood by those of ordinary skill in the art to which the invention belongs. The use of "first," "second," and similar terms in the description herein do not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. Also, the use of the terms "a" or "an" and the like do not denote a limitation of quantity, but rather denote the presence of at least one. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships are changed accordingly.
The power battery liquid cooling system 100 according to an embodiment of the present invention will be first described in detail with reference to the drawings.
As shown in fig. 1 and fig. 2, the power battery liquid cooling system 100 according to the embodiment of the present invention includes a box 10, a first liquid cooling pipe 20, a first battery pack 30, at least one second battery pack 40, and at least one second liquid cooling pipe 50.
Specifically, a mounting cavity is defined in the box body 10, the first liquid-cooling pipe 20 is arranged in the box body 10, the first battery pack 30 is arranged in the box body 10 and is located on the first liquid-cooling pipe 20, the at least one second battery pack 40 is arranged on the first battery pack 30 and is connected with the first battery pack 30 in series, the at least one second liquid-cooling pipe 50 is respectively arranged below the at least one second battery pack 40, the at least one second liquid-cooling pipe 50 is respectively arranged and connected with the first liquid-cooling pipe 20, and the one second liquid-cooling pipe 50 is connected with the water inlet pipe 51 and the water outlet pipe 52.
in other words, the power battery liquid cooling system 100 mainly comprises a box body 10, a first liquid cooling pipe 20, a first battery pack 30, at least one second battery pack 40 and at least one second liquid cooling pipe 50, wherein an installation cavity is defined in the box body 10, the box body 10 can be formed into a cuboid, the first battery pack 30 is arranged in the box body 10, the first liquid cooling pipe 20 is arranged below the box body 10, the at least one second battery pack 40 is sequentially stacked above the first battery pack 30, the at least one second liquid cooling pipe 50 is respectively arranged below each second battery pack 40, the first battery pack 30 is connected with the second battery packs 40 in series, the first liquid cooling pipe 20 is communicated with the second liquid cooling pipes 50, and a water inlet pipe 51 and a water outlet pipe 52 can be further arranged on the second liquid cooling pipes 50.
from this, according to the utility model discloses power battery liquid cooling system 100, stack first battery package 30 and at least one second battery package 40 in proper order through with first liquid cooling pipe 20 and second liquid cooling pipe 50 cool off first battery package 30 and second battery package 40 respectively, this power battery liquid cooling system 100 has not only saved the installation space of battery package, and strengthened the temperature difference control between the module group, the difference in temperature between the battery has been reduced, guarantee the life-span uniformity of battery and the uniformity that generates heat, the battery life has been increased.
According to some specific embodiments of the present invention, the second battery pack 40 and the second liquid cooling pipe 50 are respectively formed as one, and the second liquid cooling pipe 50 is connected in parallel with the first liquid cooling pipe 20.
that is to say, first battery package 30 and second battery package 40 have constituted bilayer structure, and first liquid-cooled tube 20 and second liquid-cooled tube 50 establish respectively in the below of first battery package 30 and second battery package 40 in order to be used for the cooling of battery package, and first liquid-cooled tube 20 and second liquid-cooled tube 50 also constitute bilayer structure, and first liquid-cooled tube 20 and second liquid-cooled tube 50 are parallelly connected, and parallel structure has guaranteed that the cooling temperature of the liquid-cooled tube of different parts is as unanimous as far as possible, and the flow resistance is little, reduces the difference in temperature between first battery package 30 and the second battery package 40.
Preferably, the first battery pack 30 and the second battery pack 40 are respectively formed by connecting 4 12 strings of modules in series, in other words, the first battery pack 30 and the second battery pack 40 are formed by connecting 8 12 strings of modules in series.
According to an embodiment of the present invention, the first liquid cooling pipe 20 and the second liquid cooling pipe 50 respectively include four "U" shaped portions in the same plane, and each "U" shaped portion is respectively disposed below the 12 strings of modules.
In other words, the first liquid cooling pipe 20 and the second liquid cooling pipe 50 are respectively formed as serpentine liquid cooling pipes, and it is ensured that 2 liquid cooling pipes are arranged at the bottom of each module to contact with the serpentine liquid cooling pipes, so that sufficient heat exchange between the battery cooling liquid and the surfaces of the battery cells is ensured.
Preferably, be equipped with the heat conduction pad (not marked in the drawing) on first liquid-cooled pipe 20 and the second liquid-cooled pipe 50 respectively, the heat conduction pad can ensure that the module contacts well with the bottom of first liquid-cooled pipe 20 or second liquid-cooled pipe 50 to in time take the heat out, the radiating effect is good.
According to an embodiment of the present invention, the inner bottom surface of the case 10 is defined with a first groove having a shape corresponding to the shape of the first liquid cooling pipe 20 for easy installation.
according to the utility model discloses a still another embodiment, power battery liquid cooling system 100 still includes support 70, and support 70 is established between first battery package 30 and second battery package 40, is equipped with the second recess in the support 70, and the shape of second recess and the shape of second liquid cooling pipe 50 are mutually so that the installation, still can be equipped with protection pad 80 below support 70 in order to play the guard action.
optionally, the power battery liquid cooling system 100 further includes a heat insulation pad 60, the heat insulation pad 60 is disposed between the bracket 70 and the second battery pack 40, and the heat insulation pad 60 ensures safety.
In an embodiment of the present invention, the first liquid-cooling pipe 20 and the second liquid-cooling pipe 50 are made of aluminum alloy material, and the aluminum alloy material has light weight and satisfies the requirement of light weight. The bracket 70 and the box body 10 are respectively formed into magnesium alloy material pieces, and the magnesium alloy material is beneficial to heat dissipation of the battery.
To sum up, according to the utility model discloses power battery liquid cooling system 100, through stacking first battery package 30 and at least one second battery package 40 in proper order to cool off first battery package 30 and second battery package 40 respectively through first liquid cooling pipe 20 and second liquid cooling pipe 50, this power battery liquid cooling system 100 has not only saved the installation space of battery package, and strengthened the temperature difference control between the module group, reduced the difference in temperature between the battery, guarantee the life uniformity and the uniformity that generates heat of battery, increased battery life.
According to the utility model discloses the vehicle includes the power battery liquid cooling system 100 according to above-mentioned embodiment, because according to the utility model discloses the power battery liquid cooling system 100 of above-mentioned embodiment has above-mentioned technological effect, consequently, according to the utility model discloses the vehicle also has corresponding technological effect, has increased battery life.
The construction and operation of a vehicle according to embodiments of the present invention are understood and readily implemented by those skilled in the art, and therefore will not be described in detail.
The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (10)
1. The utility model provides a power battery liquid cooling system which characterized in that includes:
The box body is internally provided with a mounting cavity in a limiting way;
the first liquid cooling pipe is arranged in the box body;
the first battery pack is arranged in the box body and is positioned on the first liquid cooling pipe;
at least one second battery pack, wherein the at least one second battery pack is arranged on the first battery pack and is connected with the first battery pack in series;
At least one second liquid cooling pipe, at least one the second liquid cooling pipe is established respectively at least one the below of second battery package, at least one the second liquid cooling pipe respectively with first liquid cooling pipe links to each other, one the second liquid cooling pipe links to each other with inlet tube and outlet pipe.
2. The power battery liquid cooling system of claim 1, wherein the second battery pack and the second liquid cooling pipe are respectively formed in one, and the second liquid cooling pipe is connected in parallel with the first liquid cooling pipe.
3. The power battery liquid cooling system of claim 2, wherein the first battery pack and the second battery pack are each formed by connecting 4 12 series modules in series.
4. the power battery liquid cooling system of claim 3, wherein the first liquid cooling pipe and the second liquid cooling pipe respectively comprise four U-shaped portions in the same plane, and each U-shaped portion is arranged below the 12 series of modules.
5. The power battery liquid cooling system of claim 2, wherein the first liquid cooling pipe and the second liquid cooling pipe are respectively provided with a heat conducting pad.
6. The power battery liquid cooling system of claim 2, wherein the inner bottom surface of the box defines a first groove corresponding to the shape of the first liquid cooling tube for receiving the first liquid cooling tube.
7. The power battery liquid cooling system of claim 2, further comprising:
The support is arranged between the first battery pack and the second battery pack, and a second groove corresponding to the second liquid cooling pipe in shape is formed in the support and used for placing the second liquid cooling pipe.
8. the power battery liquid cooling system of claim 7, further comprising:
The heat preservation pad is arranged between the support and the second battery pack.
9. the power battery liquid cooling system of claim 7, wherein the first liquid cooling pipe and the second liquid cooling pipe are aluminum alloy pieces, and the bracket and the box body are formed into magnesium alloy pieces.
10. a vehicle comprising the power battery liquid cooling system of any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920814664.XU CN209786143U (en) | 2019-05-31 | 2019-05-31 | Power battery liquid cooling system and vehicle with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920814664.XU CN209786143U (en) | 2019-05-31 | 2019-05-31 | Power battery liquid cooling system and vehicle with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209786143U true CN209786143U (en) | 2019-12-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920814664.XU Active CN209786143U (en) | 2019-05-31 | 2019-05-31 | Power battery liquid cooling system and vehicle with same |
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| Country | Link |
|---|---|
| CN (1) | CN209786143U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113054299A (en) * | 2021-03-12 | 2021-06-29 | 安徽舟之航电池有限公司 | Novel liquid cooling integrated power battery system for new energy automobile |
| CN114300780A (en) * | 2021-12-24 | 2022-04-08 | 中车资阳机车有限公司 | High-voltage and large-electric-quantity vehicle-mounted power battery device capable of expanding power |
| 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 |
-
2019
- 2019-05-31 CN CN201920814664.XU patent/CN209786143U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113054299A (en) * | 2021-03-12 | 2021-06-29 | 安徽舟之航电池有限公司 | Novel liquid cooling integrated power battery system for new energy automobile |
| CN113054299B (en) * | 2021-03-12 | 2022-05-31 | 安徽舟之航电池有限公司 | Liquid cooling integrated power battery system for new energy automobile |
| CN114300780A (en) * | 2021-12-24 | 2022-04-08 | 中车资阳机车有限公司 | High-voltage and large-electric-quantity vehicle-mounted power battery device capable of expanding power |
| 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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