CN210403834U - Liquid cooling system of lithium ion power battery - Google Patents
Liquid cooling system of lithium ion power battery Download PDFInfo
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- CN210403834U CN210403834U CN201921486372.4U CN201921486372U CN210403834U CN 210403834 U CN210403834 U CN 210403834U CN 201921486372 U CN201921486372 U CN 201921486372U CN 210403834 U CN210403834 U CN 210403834U
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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 discloses a liquid cooling system of a lithium ion power battery, which comprises a liquid inlet pipe component (1), a liquid outlet pipe component (2) and a plurality of pairs of liquid cooling plates; each pair of liquid cooling plates comprises a top liquid cooling plate and a bottom liquid cooling plate which are distributed at intervals up and down; for each pair of liquid cooling plates, the liquid cooling plates are provided with gaps between the top liquid cooling plate and the bottom liquid cooling plate, and the gaps are used for placing the battery modules needing cooling or heating; for each pair of liquid cooling plates, the front end and the rear end of the top liquid cooling plate and the bottom liquid cooling plate are respectively communicated with the liquid inlet pipe assembly (1) and the liquid outlet pipe assembly (2). The utility model discloses a lithium ion power battery liquid cooling system through the upper and lower both sides at the battery module, sets up the form of liquid cooling board respectively to let the liquid flow opposite direction in the liquid cooling board of both sides about the battery module, can carry out effectual cooling and heating to the battery module, realize good temperature control effect.
Description
Technical Field
The utility model relates to a battery technology field especially relates to a lithium ion power battery liquid cooling system.
Background
At present, lithium ion batteries have the advantages of high specific energy, many recycling times, long storage time and the like, are widely applied to portable electronic equipment such as mobile phones, digital video cameras and portable computers, and are also widely applied to large and medium-sized electric equipment such as electric automobiles, electric bicycles, electric tools and the like, so that the performance requirements on the lithium ion batteries are higher and higher.
The lithium ion power battery is a power source of an electric automobile, the performance and the service life of the lithium ion power battery determine the reliability of the whole automobile to a great extent, the temperature is an important factor influencing the performance of the power battery, the power battery can exert the optimal performance only when working in a proper temperature range, and if the temperature is too high or too low, the performance and the service life of the power battery are greatly influenced. However, the design of the liquid cooling system of the existing lithium ion power battery is not ideal enough, the cooling and heating requirements of the battery system cannot be met, the temperature control is not good, and the overall performance of the battery is seriously influenced. Therefore, efficient temperature control of the battery system is crucial.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a lithium ion power battery liquid cooling system to the technical defect that prior art exists.
Therefore, the utility model provides a liquid cooling system of a lithium ion power battery, which comprises a liquid inlet pipe component, a liquid outlet pipe component and a plurality of pairs of liquid cooling plates;
each pair of liquid cooling plates comprises a top liquid cooling plate and a bottom liquid cooling plate which are distributed at intervals up and down;
for each pair of liquid cooling plates, the liquid cooling plates are provided with gaps between the top liquid cooling plate and the bottom liquid cooling plate, and the gaps are used for placing the battery modules needing cooling or heating;
for each pair of liquid cooling plates, the front end and the rear end of the top liquid cooling plate and the bottom liquid cooling plate are respectively communicated with the liquid inlet pipe assembly and the liquid outlet pipe assembly;
the liquid inlet pipe assembly is used for conveying externally conveyed cooling liquid to the top liquid cooling plate and the bottom liquid cooling plate;
and the liquid outlet pipe assembly is used for outputting the cooling liquid in the top liquid cooling plate and the bottom liquid cooling plate outwards.
Wherein, the top surface and the bottom surface of battery module, respectively with every have between top liquid cooling board and the bottom liquid cooling board to liquid cooling board, be provided with the heat conduction pad.
Wherein, the heat conduction pad bonds in the top surface and the bottom surface of battery module.
The liquid inlet pipe assembly comprises a liquid inlet shared pipe, a first liquid inlet branch and a second liquid inlet branch;
the first liquid inlet branch is positioned behind the second liquid inlet branch;
the left end of the liquid inlet common pipe is provided with a liquid inlet pipe joint;
the right end of the liquid inlet common pipe is respectively communicated with the left ends of the first liquid inlet branch and the second liquid inlet branch;
the first liquid inlet branch is respectively communicated with the top rear end of the bottom liquid cooling plate in the plurality of pairs of liquid cooling plates;
and the second liquid inlet branch is respectively communicated with the front ends of the bottoms of the top liquid cooling plates in the plurality of pairs of liquid cooling plates.
Wherein, install first temperature sensor on the feed liquor sharing pipe.
The liquid pipe assembly comprises a liquid outlet common pipe, a first liquid outlet branch and a second liquid outlet branch;
the first liquid outlet branch is positioned behind the second liquid outlet branch;
the left end of the liquid outlet common pipe is provided with a liquid outlet pipe joint;
the right end of the liquid outlet common pipe is respectively communicated with the left ends of the first liquid outlet branch and the second liquid outlet branch;
the first liquid outlet branch is respectively communicated with the rear ends of the bottoms of the top liquid cooling plates in the plurality of pairs of liquid cooling plates;
and the second liquid outlet branch is respectively communicated with the front ends of the tops of the bottom liquid cooling plates in the plurality of pairs of liquid cooling plates.
Wherein, a second temperature sensor is arranged on the liquid outlet common pipe.
The liquid cooling system comprises a plurality of pairs of liquid cooling plates, a first cooling plate, a second cooling plate, a third cooling plate and a fourth cooling plate, wherein the plurality of pairs of liquid cooling plates specifically comprise a first pair of liquid cooling plates, a second pair of liquid cooling plates, a third pair of liquid cooling plates and a fourth pair of liquid cooling plates;
the first pair of liquid cooling plates comprises a top first liquid cooling plate and a bottom first liquid cooling plate which are distributed at intervals up and down;
the second pair of liquid cooling plates comprises a top second liquid cooling plate and a bottom second liquid cooling plate which are distributed at intervals up and down;
the third pair of liquid cooling plates comprises a top third liquid cooling plate and a bottom third liquid cooling plate which are distributed at intervals up and down;
the fourth pair of liquid cooling plates comprises a top fourth liquid cooling plate and a bottom fourth liquid cooling plate which are distributed at intervals.
The first liquid cooling plate at the bottom comprises harmonica tubes which are longitudinally distributed;
the front end and the rear end of the harmonica tube are respectively communicated with a collecting pipe which is transversely distributed;
each pressure manifold is at the one side towards the battery module, installs the joint.
By the above the technical scheme provided by the utility model it is visible, compare with prior art, the utility model provides a lithium ion power battery liquid cooling system, it is through the upper and lower both sides at the battery module, sets up the form of liquid cooling board respectively to let the liquid cooling inboard liquid flow opposite direction of both sides about the battery module, can carry out effectual cooling and heating to the battery module, realize good temperature control effect, be favorable to promoting power battery system's wholeness ability, have the production practice meaning of great importance.
Drawings
Fig. 1 is a schematic perspective view of a liquid cooling system of a lithium ion power battery provided by the present invention;
fig. 2 is a schematic view of a three-dimensional structure of a liquid cooling system of a lithium ion power battery provided by the present invention when the liquid cooling system is installed together with a plurality of battery modules in a matching manner;
fig. 3 is a schematic perspective view of a liquid inlet pipe assembly in a liquid cooling system of a lithium ion power battery provided by the present invention;
fig. 4 is a schematic perspective view of a drain pipe assembly in a liquid cooling system of a lithium ion power battery provided by the present invention;
fig. 5 is a schematic perspective view of a bottom first liquid cooling plate in a liquid cooling system of a lithium ion power battery according to the present invention;
in the figure, 1 is a liquid inlet pipe component; 11 is a liquid inlet pipe joint; 12 is a first temperature sensor; 13 is a straight pipe; 14 is a quick-insert elbow; 15 is a quick-insert tee joint; 16 is a bent pipe;
2 is a liquid outlet pipe component;
21 is a liquid inlet pipe joint; 22 is a second temperature sensor;
3 is a first liquid cooling plate at the bottom; 31 is a collecting pipe; 32 is a joint; 33 is a harmonica tube; 34 is a positioning seat;
4 is a second liquid cooling plate at the bottom; 5 is a third liquid cooling plate at the bottom; 6 is a fourth liquid cooling plate at the bottom;
7 is a fourth liquid cooling plate at the top; 8 is a third liquid cooling plate at the top; 9 is a second liquid cooling plate at the top; 10 is a first liquid cooling plate at the top;
17 is a battery module; and 18 is a heat conducting pad.
Detailed Description
In order to make the technical field of the present invention better understand, the present invention is further described in detail with reference to the accompanying drawings and embodiments.
Referring to fig. 1 to 5, the utility model provides a liquid cooling system for a lithium ion power battery, which comprises a liquid inlet pipe assembly 1, a liquid outlet pipe assembly 2 and a plurality of pairs of liquid cooling plates;
each pair of liquid cooling plates comprises a top liquid cooling plate and a bottom liquid cooling plate which are distributed at intervals up and down;
for each pair of liquid cooling plates, the liquid cooling plates are provided with a gap between the top liquid cooling plate and the bottom liquid cooling plate, and the gap is used for placing a battery module (specifically, one or two battery modules, specifically, the shape and the size of a battery cell) needing to be cooled or heated;
for each pair of liquid cooling plates, the front end and the rear end of the top liquid cooling plate and the bottom liquid cooling plate are respectively communicated with the liquid inlet pipe assembly 1 and the liquid outlet pipe assembly 2;
the liquid inlet pipe assembly 1 is used for conveying externally conveyed cooling liquid to the top liquid cooling plate and the bottom liquid cooling plate;
and the liquid outlet pipe assembly 2 is used for outputting the cooling liquid in the top liquid-cooling plate and the bottom liquid-cooling plate outwards.
The utility model discloses in, on specifically realizing, the top surface and the bottom surface of battery module respectively with every between the top liquid cooling board that has and the bottom liquid cooling board, be provided with heat conduction pad 18 to the liquid cooling board.
In a specific implementation, the thermal pads 18 may be bonded to the top and bottom surfaces of the battery module.
The utility model discloses in, on specifically realizing, the feed liquor pipe joint 11 of the 1 left end of feed liquor pipe assembly and the drain pipe joint 21 of the 2 left ends of drain pipe assembly are linked together through hollow connecting tube respectively, correspond liquid outlet and the inlet with an external cooling pump (like the water pump), it has the coolant liquid to pour into in advance in connecting tube and feed liquor pipe assembly 1, the drain pipe assembly 2.
The coolant is a flame-retardant coolant. Wherein, the effect of outside cooling pump (such as water pump) is for providing circulating power for the coolant liquid in feed pipe subassembly 1, drain pipe subassembly 2 and the connecting tube to guarantee that the coolant liquid can flow in the circulating water channel and hollow connecting tube that constitute by feed pipe subassembly 1 and drain pipe subassembly 2, and steerable coolant liquid's velocity of flow.
In the concrete realization, install radiator and heater on the connecting tube to conveniently carry out the heat dissipation to the coolant liquid when summer and when winter, carry out heat treatment to the coolant liquid. This is prior art and is not specifically described herein.
In the present invention, in particular, the liquid inlet pipe assembly 1 includes a liquid inlet common pipe 100, a first liquid inlet branch 101 and a second liquid inlet branch 102;
the first liquid inlet branch 101 is positioned behind the second liquid inlet branch 102;
the left end of the liquid inlet common pipe 100 is provided with a liquid inlet pipe joint 11;
the right end of the liquid inlet common pipe 100 is respectively communicated with the left ends of the first liquid inlet branch 101 and the second liquid inlet branch 102;
the first liquid inlet branch 101 is respectively communicated with the top rear end of the bottom liquid cooling plate in the plurality of pairs of liquid cooling plates;
and the second liquid inlet branch 102 is respectively communicated with the front ends of the bottoms of the top liquid cooling plates in the plurality of pairs of liquid cooling plates.
In particular, the first temperature sensor 12 is installed on the liquid inlet common pipe 100.
In particular, the first liquid inlet branch 101 and the second liquid inlet branch 102 both include a straight pipe 13 and a bent pipe 16 which are communicated with each other;
a plurality of quick-insertion tee joints 15 are arranged on the straight pipe 13 at intervals;
the right end of the straight pipe 13 is provided with a quick-insertion elbow 14;
the quick-plug tee 15 and the quick-plug elbow 14 are used for being communicated with the bottom liquid cooling plate and the top liquid cooling plate;
the bottom liquid cooling plate and the top liquid cooling plate are both of hollow structures.
It should be noted that the straight pipe 13 may include multiple sections of branch pipes, the branch pipes are communicated with each other by the fast-plugging tee 15, and the communication with the liquid cooling plate (specifically, the connector 32 therein) is ensured by the fast-plugging tee 15 and the fast-plugging elbow 14.
In the present invention, in particular, the liquid outlet pipe assembly 2 includes a liquid outlet common pipe 200, a first liquid outlet branch 201 and a second liquid outlet branch 202;
the first liquid outlet branch 201 is positioned behind the second liquid outlet branch 202;
the left end of the liquid outlet common pipe 200 is provided with a liquid outlet pipe joint 21;
the right end of the liquid outlet common pipe 200 is respectively communicated with the left ends of the first liquid outlet branch 201 and the second liquid outlet branch 202;
the first liquid outlet branch 201 is respectively communicated with the rear ends of the bottoms of the top liquid cooling plates in the plurality of pairs of liquid cooling plates.
And the second liquid outlet branch 202 is respectively communicated with the front ends of the tops of the bottom liquid cooling plates in the plurality of pairs of liquid cooling plates.
It should be noted that, based on above structural design, to the utility model discloses, can be so that the flow direction of the inside coolant liquid of the liquid cooling board of both sides is opposite about the battery module (wherein, the liquid cooling board flow direction above the battery module is for the past backward, and the flow direction of following liquid cooling board is for following forward) to, each liquid cooling board parallel connection.
In concrete implementation, the liquid outlet common pipe 200 is provided with a second temperature sensor 22.
It should be noted that, the first liquid outlet branch 201 and the second liquid outlet branch 202, like the first liquid inlet branch 101 and the second liquid inlet branch 102, also include the straight pipe 13 and the bent pipe 16 which are communicated with each other;
a plurality of quick-insertion tee joints 15 are arranged on the straight pipe 13 at intervals;
the right end of the straight pipe 13 is provided with a quick-insertion elbow 14;
the quick-plug tee 15 and the quick-plug elbow 14 are used for being communicated with the bottom liquid cooling plate and the top liquid cooling plate;
the bottom liquid cooling plate and the top liquid cooling plate are both of hollow structures.
In the present invention, in particular, the plurality of pairs of liquid cooling plates may specifically include a first pair of liquid cooling plates, a second pair of liquid cooling plates, a third pair of liquid cooling plates, and a fourth pair of liquid cooling plates;
the first pair of liquid cooling plates comprises a top first liquid cooling plate 10 and a bottom first liquid cooling plate 3 which are distributed at intervals up and down;
the second pair of liquid cooling plates comprises a top second liquid cooling plate 9 and a bottom second liquid cooling plate 4 which are distributed at intervals up and down;
the third pair of liquid cooling plates comprises a top third liquid cooling plate 8 and a bottom third liquid cooling plate 5 which are distributed at intervals up and down;
the fourth pair of liquid cooling plates comprises a top fourth liquid cooling plate 7 and a bottom fourth liquid cooling plate 6 which are distributed at intervals up and down.
In a specific implementation, the shape and the structure of each liquid cooling plate are substantially the same (substantially the same as those of the bottom first liquid cooling plate 3), and taking the bottom first liquid cooling plate 3 as an example, the bottom first liquid cooling plate 3 includes harmonica tubes 33 distributed longitudinally;
the front end and the rear end of the harmonica tube 33 are respectively communicated with a collecting pipe 31 which is transversely distributed;
each header 31 is mounted with a tab 32 on the side facing the cell module 17.
In a specific implementation, a positioning seat 34 is fixedly connected (e.g., clamped) to each of the left and right ends of each header 31.
In a specific implementation, for the first liquid-cold plate 3 at the bottom and each of the other liquid-cold plates, the harmonica tube 33, the header 31, the joint 32, and the positioning seat 34 are welded into a whole.
It should be noted that the shape and structure of each liquid cooling plate are substantially the same (substantially the same as the bottom first liquid cooling plate 3), except that the length of the harmonica tubes 33 distributed longitudinally and the transverse width of the header 31 are adjusted accordingly according to the shape and size of the battery module to be cooled or heated.
It should be noted that, for liquid cooling plates of different shapes and sizes, the diameters of the joints 32 are different, and the diameters of the joints of liquid cooling plates of the same shape and size are the same, so as to achieve the purpose of flow distribution.
In the concrete implementation, the number of the harmonica tubes 33 forming the liquid cooling plate is determined according to the width of the harmonica tubes and the width of the module, and the harmonica tubes 33 are brazed with the collecting pipe 31;
in particular, the shape of the collecting pipe 31 is square or round, and the shape of the harmonica tube 33 is U-shaped;
in the concrete implementation, the liquid inlet pipe assembly 1 is composed of a liquid inlet pipe joint 11, a first temperature sensor 12, a straight pipe 13, a quick-insertion elbow 14, a quick-insertion tee joint 15 and a bent pipe 16.
It should be noted that, referring to fig. 2, each pair of liquid cooling plates may specifically cool or heat two battery modules. Each battery module is provided with an upper liquid cooling plate and a lower liquid cooling plate for cooling or heating, and the flowing directions of liquid in each pair of liquid cooling plates are opposite; the liquid inlet pipe assembly and the liquid outlet pipe assembly are communicated with each liquid cooling plate, and the eight liquid cooling plates are connected in parallel.
The utility model discloses in, on specifically realizing, for further reinforcing the radiating effect, eight liquid cooling boards are counted with the lower floor in total to the upper strata, adopt parallelly connected form.
In particular, each liquid cold plate is composed of a collecting pipe 31, a joint 32, a harmonica tube 33 and a positioning seat 34, as with the first liquid cold plate 3 at the bottom.
The utility model discloses in, on specifically realizing, the mouth organ pipe number in every liquid cooling board is not limited to 2 or 4, and the joint diameter is confirmed according to flow distribution.
To the utility model provides a pair of lithium ion power battery liquid cooling system, the parallelly connected form of eight two-layer liquid cooling boards about its adoption, harmonica pipe number is decided according to harmonica pipe width, module width in the liquid cooling board. According to the size of the module and the size of the system, the liquid cooling plate can be flexibly and conveniently designed; meanwhile, the joint diameter of each liquid cooling plate is determined according to flow distribution, so that the temperature uniformity, the system environment adaptability, the low-temperature endurance mileage, the power performance and the charging characteristic are improved.
It should be noted that, the utility model provides a pair of lithium ion power battery liquid cooling system is a new structural style, two-layer liquid cooling board form about adopting, and the battery module is located between the two-layer liquid cooling board from top to bottom to the liquid flow opposite direction in the two-layer liquid cooling board from top to bottom, thereby guarantee to the effective cooling or the heating of battery module, finally reach the even effect of temperature between the battery module.
The utility model discloses, the diameter that each liquid cooling plate connects is different, and every liquid cooling plate is parallelly connected, and its cooling and heating performance are excellent, can dispel the heat to battery system fully to improve the rate of heating to battery module, and make the difference in temperature in the battery system including a plurality of battery modules little, thereby improve battery system's environmental suitability, low temperature continuation of the journey mileage, dynamic behavior and charging characteristic.
To sum up, compare with prior art, the utility model provides a pair of lithium ion power battery liquid cooling system, it sets up the form of liquid cooling board respectively through the upper and lower both sides at battery module to let the liquid cooling inboard liquid flow opposite direction of both sides about the battery module, can carry out effectual cooling and heating to the battery module, realize good temperature control effect, be favorable to promoting power battery system's wholeness ability, have the production practice meaning of great importance.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (9)
1. A liquid cooling system of a lithium ion power battery is characterized by comprising a liquid inlet pipe assembly (1), a liquid outlet pipe assembly (2) and a plurality of pairs of liquid cooling plates;
each pair of liquid cooling plates comprises a top liquid cooling plate and a bottom liquid cooling plate which are distributed at intervals up and down;
for each pair of liquid cooling plates, the liquid cooling plates are provided with gaps between the top liquid cooling plate and the bottom liquid cooling plate, and the gaps are used for placing the battery modules needing cooling or heating;
for each pair of liquid cooling plates, the front end and the rear end of the top liquid cooling plate and the rear end of the bottom liquid cooling plate are respectively communicated with the liquid inlet pipe assembly (1) and the liquid outlet pipe assembly (2);
the liquid inlet pipe assembly (1) is used for conveying externally conveyed cooling liquid to the top liquid cooling plate and the bottom liquid cooling plate;
and the liquid outlet pipe assembly (2) is used for outputting the cooling liquid in the top liquid cooling plate and the bottom liquid cooling plate outwards.
2. The liquid cooling system for lithium ion power battery of claim 1, wherein the top and bottom surfaces of the battery module are respectively provided with a heat conducting pad (18) between the top and bottom liquid cooling plates of each pair of liquid cooling plates.
3. The liquid cooling system for lithium ion power battery of claim 2, wherein the heat conducting pads (18) are bonded to the top and bottom surfaces of the battery module.
4. The liquid cooling system for the lithium-ion power battery as defined in claim 1, wherein the liquid inlet pipe assembly (1) comprises a liquid inlet common pipe (100), a first liquid inlet branch (101) and a second liquid inlet branch (102);
the first liquid inlet branch (101) is positioned behind the second liquid inlet branch (102);
the left end of the liquid inlet common pipe (100) is provided with a liquid inlet pipe joint (11);
the right end of the liquid inlet common pipe (100) is respectively communicated with the left ends of the first liquid inlet branch (101) and the second liquid inlet branch (102);
the first liquid inlet branch (101) is respectively communicated with the top rear end of the bottom liquid cooling plate in the plurality of pairs of liquid cooling plates;
and the second liquid inlet branch (102) is respectively communicated with the front ends of the bottoms of the top liquid cooling plates in the plurality of pairs of liquid cooling plates.
5. The liquid cooling system for the lithium-ion power battery as claimed in claim 4, wherein the first temperature sensor (12) is installed on the liquid inlet common pipe (100).
6. The liquid cooling system for the lithium-ion power battery as claimed in claim 1, wherein the liquid pipe assembly (2) comprises a liquid outlet common pipe (200), a first liquid outlet branch (201) and a second liquid outlet branch (202);
the first liquid outlet branch (201) is positioned behind the second liquid outlet branch (202);
the left end of the liquid outlet common pipe (200) is provided with a liquid outlet pipe joint (21);
the right end of the liquid outlet common pipe (200) is respectively communicated with the left ends of the first liquid outlet branch (201) and the second liquid outlet branch (202);
the first liquid outlet branch (201) is respectively communicated with the rear ends of the bottoms of the top liquid cooling plates in the plurality of pairs of liquid cooling plates;
and the second liquid outlet branch (202) is respectively communicated with the front ends of the tops of the bottom liquid cooling plates in the plurality of pairs of liquid cooling plates.
7. The liquid cooling system for the lithium-ion power battery as claimed in claim 6, wherein the common liquid outlet pipe (200) is provided with a second temperature sensor (22).
8. The liquid cooling system of any one of claims 1 to 7, wherein the plurality of pairs of liquid cooling plates comprise a first pair of liquid cooling plates, a second pair of liquid cooling plates, a third pair of liquid cooling plates, and a fourth pair of liquid cooling plates;
the first pair of liquid cooling plates comprises a top first liquid cooling plate (10) and a bottom first liquid cooling plate (3) which are distributed at intervals up and down;
the second pair of liquid cooling plates comprises a top second liquid cooling plate (9) and a bottom second liquid cooling plate (4) which are distributed at intervals up and down;
the third pair of liquid cooling plates comprises a top third liquid cooling plate (8) and a bottom third liquid cooling plate (5) which are distributed at intervals up and down;
the fourth pair of liquid cooling plates comprises a top fourth liquid cooling plate (7) and a bottom fourth liquid cooling plate (6) which are distributed at intervals up and down.
9. The li-ion power battery liquid cooling system of claim 8 wherein the bottom first liquid cooling plate (3) comprises a longitudinal distribution of harmonica tubes (33);
the front end and the rear end of the harmonica tube (33) are respectively communicated with a collecting pipe (31) which is transversely distributed;
each header 31 is provided with a tab 32 on the side facing the cell module 17.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921486372.4U CN210403834U (en) | 2019-09-09 | 2019-09-09 | Liquid cooling system of lithium ion power battery |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921486372.4U CN210403834U (en) | 2019-09-09 | 2019-09-09 | Liquid cooling system of lithium ion power battery |
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| CN210403834U true CN210403834U (en) | 2020-04-24 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111883877A (en) * | 2020-08-04 | 2020-11-03 | 广东工业大学 | Electric automobile battery heat management device of collection forced air cooling and liquid cooling |
| CN113871753A (en) * | 2021-09-24 | 2021-12-31 | 远景动力技术(江苏)有限公司 | Battery pack |
| CN114628819A (en) * | 2021-09-18 | 2022-06-14 | 万向一二三股份公司 | Battery module liquid cooling board and mounting structure thereof |
| CN114824552A (en) * | 2022-03-11 | 2022-07-29 | 安徽工程大学 | Battery core cooling device and power battery cooling system using same |
-
2019
- 2019-09-09 CN CN201921486372.4U patent/CN210403834U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111883877A (en) * | 2020-08-04 | 2020-11-03 | 广东工业大学 | Electric automobile battery heat management device of collection forced air cooling and liquid cooling |
| CN114628819A (en) * | 2021-09-18 | 2022-06-14 | 万向一二三股份公司 | Battery module liquid cooling board and mounting structure thereof |
| CN114628819B (en) * | 2021-09-18 | 2023-11-03 | 万向一二三股份公司 | Battery module liquid cooling plate and mounting structure thereof |
| CN113871753A (en) * | 2021-09-24 | 2021-12-31 | 远景动力技术(江苏)有限公司 | Battery pack |
| CN114824552A (en) * | 2022-03-11 | 2022-07-29 | 安徽工程大学 | Battery core cooling device and power battery cooling system using same |
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Effective date of registration: 20220129 Address after: 266500 Minshan Road, Huangdao District, Qingdao, Shandong Patentee after: LISHEN (QINGDAO) NEW ENERGY CO.,LTD. Address before: 300384 Tianjin Binhai New Area Binhai high tech Industrial Development Zone Huayuan science and Technology Park (outer ring) 38 Haitai South Road Patentee before: LISHEN POWER BATTERY SYSTEMS Co.,Ltd. |