CN117039260B - Water cooling plate flow channel structure for heat dissipation of new energy battery and method thereof - Google Patents
Water cooling plate flow channel structure for heat dissipation of new energy battery and method thereof Download PDFInfo
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- CN117039260B CN117039260B CN202311129820.6A CN202311129820A CN117039260B CN 117039260 B CN117039260 B CN 117039260B CN 202311129820 A CN202311129820 A CN 202311129820A CN 117039260 B CN117039260 B CN 117039260B
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- 238000001816 cooling Methods 0.000 title claims abstract description 42
- 230000017525 heat dissipation Effects 0.000 title claims abstract description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title abstract description 17
- 238000000034 method Methods 0.000 title abstract description 11
- 239000000110 cooling liquid Substances 0.000 claims abstract description 72
- 238000012546 transfer Methods 0.000 claims description 14
- 238000005452 bending Methods 0.000 claims description 5
- 239000002826 coolant Substances 0.000 abstract description 10
- 239000007788 liquid Substances 0.000 abstract description 10
- 239000012530 fluid Substances 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 4
- 238000004146 energy storage Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000010992 reflux Methods 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 241000270295 Serpentes Species 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/613—Cooling or keeping cold
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/617—Types of temperature control for achieving uniformity or desired distribution of temperature
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/63—Control systems
- H01M10/633—Control systems characterised by algorithms, flow charts, software details or the like
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/655—Solid structures for heat exchange or heat conduction
- H01M10/6556—Solid parts with flow channel passages or pipes for heat exchange
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
- H01M10/6567—Liquids
- H01M10/6568—Liquids characterised by flow circuits, e.g. loops, located externally to the cells or cell casings
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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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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Automation & Control Theory (AREA)
- Secondary Cells (AREA)
Abstract
The invention discloses a water cooling plate flow channel structure for heat dissipation of a new energy battery and a method thereof, and belongs to the technical field of battery thermal management. The utility model provides a water-cooling plate runner structure and method for new forms of energy battery heat dissipation, includes the water-cooling plate spare, still includes first order group's electric core, second order group's electric core, third order group's electric core and fourth order group's electric core, and it sets up in the top of water-cooling plate spare, the one end of water-cooling plate spare is provided with the coolant liquid entry, and one side of coolant liquid entry is provided with the coolant liquid export, coolant liquid entry and coolant liquid export all pass through internal thread connection with the water-cooling plate spare, the both ends of first order group's electric core, second order group's electric core, third order group's electric core and fourth order group's electric core are provided with the electric core end plate respectively. In order to solve the problem of large temperature difference of the battery cell at the inlet and the outlet of the cooling liquid, the circulated fluid is wound back to the low-temperature area of the inlet, so that the effect of slightly improving the temperature of the lowest-temperature battery cell of the inlet and reducing the temperature difference is achieved.
Description
Technical Field
The invention relates to the technical field of battery thermal management, in particular to a water cooling plate flow channel structure for heat dissipation of a new energy battery and a method thereof.
Background
With the rapid development of the energy storage industry, the safety performance of the battery is more and more concerned, and the battery thermal management system in the energy storage industry at present mainly takes the heat dissipation of an air conditioner with low heat transfer efficiency, poor heat dissipation uniformity and higher energy consumption as the main part;
Difficulties encountered in conventional energy storage water cooling plate heat dissipation: after the water cooling plate is cooled, the temperature of the battery cells at the inlet of the cooling liquid of the water cooling plate is much lower than that of the battery cells at the outlet, and the current requirements of most customers in the energy storage industry are that the test temperature difference of all battery cells of a single cell pack is not allowed to exceed 3 ℃ and the temperature rise is not allowed to exceed 40 ℃, so that if the problem that the temperature difference of the battery cells at the inlet and the outlet of the cooling liquid is large is solved, the hope that the temperature difference is not more than 3 ℃ is difficult to realize; therefore, the existing requirements are not met, and a water cooling plate flow channel structure for heat dissipation of a new energy battery and a method thereof are provided.
Disclosure of Invention
The invention aims to provide a water cooling plate flow channel structure for heat dissipation of a new energy battery and a method thereof, and the circulating fluid is wound back to a low-temperature area of an inlet, so that the effect of slightly improving the temperature of a lowest-temperature battery cell of the inlet and reducing the temperature difference is achieved, and the problems in the prior art can be solved.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a be used for radiating water-cooling board runner structure of new forms of energy battery, includes the water-cooling plate, still includes first order group's electric core, second order group's electric core, third order group's electric core and fourth order group's electric core, and it sets up in the top of water-cooling plate, the one end of water-cooling plate is provided with the coolant liquid entry, and one side of coolant liquid entry is provided with the coolant liquid export, coolant liquid entry and coolant liquid export all pass through internal thread connection with the water-cooling plate, the both ends of first order group's electric core, second order group's electric core, third order group's electric core and fourth order group's electric core are provided with the electric core end plate respectively, and electric core end plate and first order group's electric core, second order group's electric core, third order group's electric core and fourth order group's electric core all pass through bolted connection.
Preferably, one end of the cooling liquid inlet is provided with a diversion main cavity, one end inside the diversion main cavity is provided with a triangular diversion block, one side of the triangular diversion block is provided with a diversion block, and the triangular diversion block is perpendicular to the diversion block.
Preferably, the other end inside the split-flow main cavity is respectively in through connection with the backflow cavity and the circulation cavity, and the middle sections of the backflow cavity and the circulation cavity are respectively provided with a transfer cavity.
Preferably, both ends of the transfer cavity channel are provided with tapered flow channels, the cell end plate is arranged above the tapered flow channels, the transfer cavity channel is respectively in through connection with the backflow cavity channel and the circulation cavity channel through the tapered flow channels, and the inner parts of the transfer cavity channel, the backflow cavity channel and the circulation cavity channel are provided with horizontal flow guide blocks.
Preferably, the diversion main cavity, the backflow cavity and the circulation cavity are in through connection with the converging cavity, and the converging cavity is perpendicular to the diversion main cavity, the backflow cavity and the circulation cavity.
Preferably, one end of the converging channel is in through connection with the high-temperature channel, a horizontal flow guide block is arranged in the high-temperature channel, and a vertical flow guide block is arranged in the converging channel.
Preferably, the other end of the high-temperature cavity is communicated with the cooling liquid outlet, and four groups of cavities are arranged in the high-temperature cavity.
A cooling method of a water cooling plate flow channel structure for heat dissipation of a new energy battery comprises the following steps:
Step one: the cooling liquid enters the water-cooling plate through the cooling liquid inlet, and flows into the top backflow cavity and the bottom circulation cavity from the two sides of the diversion main cavity under the influence of the internal diversion structure, and the area dissipates heat of the first-order battery cells and the second-order battery cells;
Step two: the cooling liquid entering the circulating cavity channel flows in a serpentine shape and finally enters the converging cavity channel, the cooling liquid at the reflux cavity channel also flows into the converging cavity channel and finally is converged to the high Wen Qiangdao through the converging cavity channel, at the moment, the temperature of the cooling liquid in the high-temperature cavity channel is higher than that of the cooling liquid in other cavity channels, and the region dissipates heat of the third-order battery cells and the fourth-order battery cells;
Step three: the cooling liquid in the high-temperature cavity can be bent and reflowed when flowing to the cooling liquid outlet, and the bending area is attached to the inlet area of the cooling liquid, so that the cooling liquid at the inlet and the cooling liquid at the outlet can complete one-time heat exchange operation, and the cooling liquid absorbing heat can neutralize the lowest temperature area when passing through the first-order battery cells at the inlet.
Compared with the prior art, the invention has the beneficial effects that:
1. According to the invention, cooling liquid enters the water-cooling plate through the cooling liquid inlet, the cooling liquid flows into the reflux cavity channel at the top and the circulation cavity channel at the bottom from two sides of the diversion main cavity under the influence of the internal diversion structure, the area firstly dissipates heat of the first-order group battery cells and the second-order group battery cells, the cooling liquid entering the circulation cavity channel flows in a snake shape and finally enters the converging cavity channel, the cooling liquid in the reflux cavity channel flows into the converging cavity channel, finally flows into the high Wen Qiangdao through the converging cavity channel, at the moment, the temperature of the cooling liquid in the high-temperature cavity channel is higher than that of the other cavity channels, the area dissipates heat of the cooling liquid in the high-temperature cavity channel flows to the cooling liquid outlet, the bending area is attached to the inlet area of the cooling liquid, so that the cooling liquid at the inlet and the outlet can complete one-time heat exchange operation, and the cooling liquid absorbing heat can neutralize the lowest temperature area when passing through the first-order group battery cells at the inlet;
2. According to the invention, the cell end plate is arranged above the tapered flow channel, the cell end plate is greatly influenced by the external environment temperature, and the cell temperature close to the end plate is lower than that of other cell areas, so that the flow channel can be reduced, the resource waste is avoided, the influence caused by the external environment temperature and the heat generated by the charge and discharge of the battery is reduced, the temperature of the stored energy battery is lower, and the use safety performance of the battery is improved;
3. The invention has the advantages that the temperature difference and the temperature rise of the battery are lower through the design of the water cooling plate, and the service life of the battery is prolonged.
Drawings
FIG. 1 is an overall front view of the present invention;
FIG. 2 is an overall top view of the present invention;
FIG. 3 is a schematic view of the internal structure of the water-cooled panel of the present invention;
FIG. 4 is a schematic diagram of cell temperature monitoring according to the present invention;
FIG. 5 is a schematic diagram of a simulated water cooling structure according to the present invention;
Fig. 6 is a schematic diagram of a simulated cell temperature monitoring system according to the present invention.
In the figure: 1. a first sequence of cells; 2. a second sequence of cells; 3. a third sequence of cells; 4. a fourth set of cells; 5. water-cooling the plate; 6. a cell end plate; 501. a cooling liquid inlet; 502. a cooling liquid outlet; 503. a main shunt chamber; 504. a reflow channel; 505. a circulation channel; 506. a high temperature channel; 507. transferring the cavity channel; 508. a confluence channel; 5071. the flow channel is tapered.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1:
Referring to fig. 1-3, a water cooling plate flow path structure for heat dissipation of a new energy battery includes a water cooling plate 5, and further includes a first-order battery cell 1, a second-order battery cell 2, a third-order battery cell 3 and a fourth-order battery cell 4, which are disposed above the water cooling plate 5, one end of the water cooling plate 5 is provided with a cooling liquid inlet 501, one side of the cooling liquid inlet 501 is provided with a cooling liquid outlet 502, the cooling liquid inlet 501 and the cooling liquid outlet 502 are connected with the water cooling plate 5 through internal threads, two ends of the first-order battery cell 1, the second-order battery cell 2, the third-order battery cell 3 and the fourth-order battery cell 4 are respectively provided with a battery cell end plate 6, and the battery cell end plate 6 is connected with the first-order battery cell 1, the second-order battery cell 2, the third-order battery cell 3 and the fourth-order battery cell 4 through bolts.
A diversion main cavity 503 is arranged at one end of a cooling liquid inlet 501, a triangular diversion block is arranged at one end of the interior of the diversion main cavity 503, a diversion block is arranged at one side of the triangular diversion block, the triangular diversion block is perpendicular to the diversion block, the other end of the interior of the diversion main cavity 503 is respectively and thoroughly connected with a backflow cavity channel 504 and a circulation cavity channel 505, a transfer cavity channel 507 is arranged in the middle section of the backflow cavity channel 504 and the circulation cavity channel 505, tapered flow channels 5071 are arranged at two ends of the transfer cavity channel 507, a cell end plate 6 is arranged above the tapered flow channels 5071, 6 series aluminum materials are arranged at the front end and the rear end of the cell as the cell end plate 6, the cell end plate 6 is greatly influenced by the temperature of the external environment, the cell temperature close to the end plate is lower than that of other cell areas, so that the flow channels can be reduced, the condition of resource waste is avoided, the transfer cavity channel 507 is respectively and thoroughly connected with the backflow cavity channel 504 and the circulation cavity channel 505, the interior of the transfer cavity channel 504 and the circulation cavity channel 505, the transfer cavity channel 504 and the circulation cavity channel 505 are respectively provided with horizontal diversion blocks, the flow channels 504, the backflow cavity 504 and the circulation cavity channel 505 are respectively, the tapered flow channel 508 are respectively, the high temperature channels 506 are respectively and thoroughly connected with the inner cavity channels 506 of the circulation cavity 506, the high temperature channels 506 are respectively, and the inner cavity 506 is respectively, and the inner cavity channels 506 is respectively, and the high temperature channels are respectively;
The cooling liquid in the high temperature cavity 506 will bend and flow back when flowing to the cooling liquid outlet 502, the bending area is attached to the inlet area of the cooling liquid, so that the cooling liquid at the inlet and the cooling liquid at the outlet can complete a heat exchange operation, the cooling liquid absorbing heat can neutralize the lowest temperature area when passing through the first order cell 1 at the inlet, and the lowest temperature is moved from the first cell of the second row to the first cell of the first row;
the minimum temperature was 37.7℃and the maximum temperature was 39.9 ℃.
Comparative example 1:
Referring to fig. 5-6, after fluid enters from the upper side and passes through the bottoms of the first-order battery cells 1, the second-order battery cells 2 and the third-order battery cells 3, the low-temperature fluid absorbs heat emitted by the battery cells, the temperature gradually rises, and finally, when the fluid passes through the fourth-order battery cells 4, the heat dissipation effect is far less than that of the fluid passing through the first three-row battery cells, so that the fourth-order battery cells 4 far advance the three-row battery cells, and the limit temperature difference is reflected in the middle area of the first-order battery cells 1 and the fourth-order battery cells 4 at the inlet;
the minimum temperature was 37.7℃and the maximum temperature was 39.9 ℃.
Comparing example 1 with comparative example 1 concludes: under the condition of constant heating power, if the temperature rise of the battery core can meet the condition within 40 ℃, the smaller the temperature difference is, the longer the service life of the battery is, so if the lowest temperature of the battery core cannot be reduced at the moment, the lowest temperature can be considered to be tried to be improved, and the circulated fluid is wound back to the low-temperature area of the inlet again according to the research project, thereby achieving the effect of slightly improving the temperature of the lowest temperature battery core of the inlet and reducing the temperature difference.
According to the working principle, cooling liquid enters the water-cooling plate 5 through the cooling liquid inlet 501, the cooling liquid flows into the backflow cavity 504 at the top and the circulation cavity 505 at the bottom respectively from two sides of the diversion main cavity 503 under the influence of an internal diversion structure, the area firstly dissipates heat of the first-order battery cell 1 and the second-order battery cell 2, the cooling liquid entering the circulation cavity 505 flows in a serpentine shape and finally enters the confluence cavity 508, the cooling liquid in the backflow cavity 504 flows into the confluence cavity 508, finally flows into the high-temperature cavity 506 through the confluence cavity 508, at the moment, the temperature of the cooling liquid in the high-temperature cavity 506 is higher than that of the cooling liquid in other cavities, the area dissipates heat of the third-order battery cell 3 and the fourth-order battery cell 4, the cooling liquid in the high-temperature cavity 506 flows back when flowing to the cooling liquid outlet 502, the bending area is jointed with the inlet area of the cooling liquid, the cooling liquid at the inlet and the outlet is enabled to complete a heat exchange operation, and the cooling liquid absorbing heat can flow into the lowest area of the first-order battery cell 1 at the inlet.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. The water-cooling plate flow passage structure for heat dissipation of the new energy battery comprises a water-cooling plate (5) and is characterized in that the water-cooling plate is provided with a water-cooling plate body;
The battery pack comprises a first-order battery pack (1), a second-order battery pack (2), a third-order battery pack (3) and a fourth-order battery pack (4), and is characterized in that the battery pack is arranged above a water-cooling plate (5), a cooling liquid inlet (501) is arranged at one end of the water-cooling plate (5), a cooling liquid outlet (502) is arranged at one side of the cooling liquid inlet (501), the cooling liquid inlet (501) and the cooling liquid outlet (502) are connected with the water-cooling plate (5) through internal threads, battery end plates (6) are respectively arranged at two ends of the first-order battery pack (1), the second-order battery pack (2), the third-order battery pack (3) and the fourth-order battery pack (4), and the battery end plates (6) are connected with the first-order battery pack (1), the second-order battery pack (2), the third-order battery pack (3) and the fourth-order battery pack (4) through bolts;
One end of the cooling liquid inlet (501) is provided with a diversion main cavity (503), one end of the inside of the diversion main cavity (503) is provided with a triangular diversion block, one side of the triangular diversion block is provided with a diversion block, and the triangular diversion block is perpendicular to the diversion block;
The other end of the inside of the split-flow main cavity (503) is respectively and communicated with a backflow cavity channel (504) and a circulation cavity channel (505), and the middle sections of the backflow cavity channel (504) and the circulation cavity channel (505) are respectively provided with a transfer cavity channel (507);
Both ends of the transfer cavity channel (507) are provided with tapered flow channels (5071), the battery cell end plate (6) is arranged above the tapered flow channels (5071), the transfer cavity channel (507) is respectively communicated with the backflow cavity channel (504) and the circulation cavity channel (505) through the tapered flow channels (5071), and horizontal flow guide blocks are arranged in the transfer cavity channel (507), the backflow cavity channel (504) and the circulation cavity channel (505);
the split-flow main cavity (503), the backflow cavity (504) and the circulation cavity (505) are in through connection with the converging cavity (508), and the converging cavity (508) is perpendicular to the split-flow main cavity (503), the backflow cavity (504) and the circulation cavity (505).
2. The water-cooled plate flow channel structure for heat dissipation of a new energy battery according to claim 1, wherein: one end of the converging cavity channel (508) is in through connection with the high-temperature cavity channel (506), a horizontal flow guide block is arranged in the high-temperature cavity channel (506), and a vertical flow guide block is arranged in the converging cavity channel (508).
3. The water-cooled plate flow channel structure for heat dissipation of new energy battery as set forth in claim 2, wherein: the other end of the high-temperature cavity channel (506) is in through connection with the cooling liquid outlet (502), and four groups of cavity channels are arranged in the high Wen Qiangdao (506).
4. A cooling method of a water-cooled plate runner structure for heat dissipation of a new energy battery based on the water-cooled plate runner structure for heat dissipation of a new energy battery according to claim 3, wherein the cooling method comprises the following steps:
Step one: cooling liquid enters the water-cooling plate (5) through the cooling liquid inlet (501), and flows into the top backflow cavity (504) and the bottom circulation cavity (505) from two sides of the diversion main cavity (503) under the influence of the internal diversion structure, and the area dissipates heat of the first-order battery cells (1) and the second-order battery cells (2);
Step two: the cooling liquid entering the circulating cavity channel (505) flows in a serpentine shape and finally enters the converging cavity channel (508), the cooling liquid at the position of the backflow cavity channel (504) also flows into the converging cavity channel (508), finally flows into the high Wen Qiangdao (506) through the converging cavity channel (508), at the moment, the temperature of the cooling liquid in the high-temperature cavity channel (506) is higher than that of other cavity channels, and the region dissipates heat of the third-order battery cells (3) and the fourth-order battery cells (4);
step three: the cooling liquid in the high-temperature cavity (506) can bend and flow back when flowing to the cooling liquid outlet (502), and the bending area is attached to the inlet area of the cooling liquid, so that the cooling liquid at the inlet and the cooling liquid at the outlet can complete one-time heat exchange operation, and the cooling liquid absorbing heat can neutralize the lowest temperature area when passing through the first-order battery cells (1) at the inlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202311129820.6A CN117039260B (en) | 2023-09-04 | 2023-09-04 | Water cooling plate flow channel structure for heat dissipation of new energy battery and method thereof |
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| CN202311129820.6A CN117039260B (en) | 2023-09-04 | 2023-09-04 | Water cooling plate flow channel structure for heat dissipation of new energy battery and method thereof |
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| CN117039260B true CN117039260B (en) | 2024-04-30 |
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| CN216648424U (en) * | 2021-11-30 | 2022-05-31 | 江苏正力新能电池技术有限公司 | Battery water cooling plate and battery water cooling system |
| CN217114544U (en) * | 2022-04-12 | 2022-08-02 | 马鞍山纳百川热交换器有限公司 | Bridge type runner stamping liquid cooling plate |
| CN217848077U (en) * | 2022-05-17 | 2022-11-18 | 瑞浦兰钧能源股份有限公司 | A trilateral liquid cooling structure and battery module for battery module |
| CN217589125U (en) * | 2022-06-15 | 2022-10-14 | 上海爱斯达克汽车空调***有限公司 | Battery water cooling board and electric automobile |
| CN218996863U (en) * | 2022-12-29 | 2023-05-09 | 珠海冠宇动力电源有限公司 | Liquid cooling plate and battery pack |
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|---|---|
| CN117039260A (en) | 2023-11-10 |
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