CN218101445U - Power battery - Google Patents
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- CN218101445U CN218101445U CN202222308043.9U CN202222308043U CN218101445U CN 218101445 U CN218101445 U CN 218101445U CN 202222308043 U CN202222308043 U CN 202222308043U CN 218101445 U CN218101445 U CN 218101445U
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- 239000007788 liquid Substances 0.000 claims abstract description 454
- 238000001816 cooling Methods 0.000 claims abstract description 160
- 239000000110 cooling liquid Substances 0.000 claims abstract description 12
- 239000000463 material Substances 0.000 claims description 7
- 239000003292 glue Substances 0.000 claims description 4
- 238000009434 installation Methods 0.000 description 14
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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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 provides a power battery, include: the battery structure comprises a plurality of rows of battery cores (10), a plurality of liquid cooling plates (20), a liquid inlet assembly (30) and a liquid outlet assembly (40), wherein the liquid cooling plates (20) are attached to two sides of each row of battery cores (10), and each liquid cooling plate (20) is provided with a liquid inlet (21), a liquid outlet (22) and an internal channel for communicating the liquid inlet (21) with the liquid outlet (22); the liquid inlet assembly (30) is communicated with each liquid inlet (21) and is used for conveying cooling liquid into the liquid cooling plate (20); a liquid outlet assembly (40) communicates with each liquid outlet (22) for receiving the cooling liquid discharged by the liquid cooling plate (20). The utility model discloses power battery all sets up the liquid cooling board through the both sides at each row of electric core to each row of electric core can both be through the cooling of two liquid cooling boards, and cooling area is big, has greatly improved cooling efficiency, has improved life, the security performance of battery and has filled the performance soon.
Description
Technical Field
The utility model relates to a battery and energy storage correlation technique field especially relate to a power battery.
Background
With the development of new energy automobiles, people have higher and higher requirements on energy density, electric quantity, quick charging time, safety performance and the like of power batteries. Cylindrical batteries are continuously favored by host factories and power battery factories due to the advantages of high energy density, good safety performance, low battery internal resistance, high output power and the like. However, the cylindrical batteries are large in arrangement quantity, complex in heat management system and the like, and the heat dissipation performance is poor, so that the service life, the safety performance and the quick charging are influenced to a certain extent. That is, the assembled battery in the related art has the following technical problems: the heat dispersion is poor, and life is low, the security performance is low, and quick charge receives the influence.
SUMMERY OF THE UTILITY MODEL
To the relevant technical problem in the background art, this utility model provides a heat management system who is applicable to but not limited to the cylinder battery, can promote whole battery system's heat dispersion, extension electric core life promotes the security, improves power battery's the ability of filling soon.
The present invention aims at solving at least one of the technical problems in the related art to a certain extent. Therefore, an embodiment of the present invention provides a power battery, including:
a plurality of rows of electric cores are arranged in the battery,
the liquid cooling plates are attached to two sides of each row of the battery cells and are provided with a liquid inlet, a liquid outlet and an internal channel for communicating the liquid inlet with the liquid outlet;
the liquid inlet assembly is communicated with each liquid inlet and is used for conveying cooling liquid into the liquid cooling plate; and
and the liquid outlet assembly is communicated with each liquid outlet and is used for receiving the cooling liquid discharged by the liquid cooling plate.
The utility model discloses power battery all sets up the liquid cooling board through the both sides at each row of electric core to each row of electric core can both be through the cooling of two liquid cooling boards, and cooling area is big, has greatly improved cooling efficiency, has improved life, the security performance of battery and has filled the performance soon.
Optionally, the battery cell is cylindrical, and the liquid cooling plate is wavy, so that the liquid cooling plate is at least partially attached to the surface of the battery cell.
Optionally, a heat-conducting glue is filled between the liquid cooling plate and the battery cell.
Optionally, the liquid cooling plate includes a liquid cooling plate body, a liquid inlet adapter and a liquid outlet adapter connected to two ends of the liquid cooling plate body, a liquid cooling plate liquid inlet pipe connected to the liquid inlet adapter, and a liquid cooling plate liquid outlet pipe connected to the liquid outlet adapter, where the liquid inlet is formed in the liquid cooling plate liquid inlet pipe, and the liquid outlet is formed in the liquid cooling plate liquid outlet pipe;
the liquid cooling plate liquid inlet pipe is communicated with the liquid inlet assembly, and the liquid cooling plate liquid outlet pipe is communicated with the liquid outlet assembly.
Optionally, the liquid cooling plate liquid inlet pipes of two adjacent liquid cooling plates are positioned between the two corresponding liquid inlet adapters and are distributed at intervals up and down;
and liquid cooling plate liquid outlet pipes of two adjacent liquid cooling plates are positioned between the two corresponding liquid outlet adapters and are distributed at intervals from top to bottom.
Optionally, the opening directions of the liquid cooling plate liquid inlet pipes of the two adjacent liquid cooling plates are opposite, and the opening directions of the liquid cooling plate liquid outlet pipes of the two adjacent liquid cooling plates are opposite.
Optionally, two the region that does not set up liquid cooling plate feed liquor pipe between the feed liquor adapter is the non-assembly region, and the region that is provided with liquid cooling plate feed liquor pipe is the assembly region, the feed liquor adapter is to closing on the non-assembly region is bent and is extended, so that the width in non-assembly region is less than the width in assembly region.
Optionally, two the region that does not set up the liquid cooling board drain pipe between the liquid outlet adapter is the non-assembly district, and the region that is provided with the liquid cooling board drain pipe is the assembly district, the liquid outlet adapter is to closing on the non-assembly district is bent and is extended, so that the width in non-assembly district is less than the width in assembly district.
Optionally, the liquid inlet assembly comprises a liquid inlet main pipe, and a first liquid inlet branch pipe and a second liquid inlet branch pipe which are communicated with the liquid inlet main pipe, and the first liquid inlet branch pipe and the second liquid inlet branch pipe are distributed at intervals up and down;
the first liquid inlet branch pipe is communicated with the liquid inlet pipe of the liquid cooling plate on the upper row,
and the second liquid inlet branch pipe is communicated with the liquid inlet pipe of the liquid cooling plate arranged at the lower row.
Optionally, the liquid outlet assembly comprises a liquid outlet main pipe, and a first liquid outlet branch pipe and a second liquid outlet branch pipe which are communicated with the liquid outlet main pipe, and the first liquid outlet branch pipe and the second liquid outlet branch pipe are distributed at intervals up and down;
the first liquid outlet branch pipe is communicated with the liquid outlet pipe of the liquid cooling plate arranged on the upper row,
and the second liquid outlet branch pipe is communicated with the liquid outlet pipe of the lower row of liquid cooling plates.
Optionally, the first liquid inlet branch pipe and the second liquid inlet branch pipe are communicated with the liquid inlet main pipe through a first flow dividing valve, and the first liquid outlet branch pipe and the second liquid outlet branch pipe are communicated with the liquid outlet main pipe through a second flow dividing valve.
Optionally, a plurality of first liquid inlet transfer pipes are arranged on the first liquid inlet branch pipe at intervals, and the first liquid inlet transfer pipes are communicated with the liquid inlet pipes of the liquid cooling plates arranged in the upper row;
a plurality of second liquid inlet switching pipes are arranged on the second liquid inlet branch pipe at intervals and communicated with the liquid inlet pipe of the liquid cooling plate at the lower row;
a plurality of first liquid outlet switching tubes are arranged on the first liquid outlet branch tube at intervals and communicated with the liquid outlet tubes of the liquid cooling plates arranged at the upper row;
and a plurality of second liquid outlet switching tubes are arranged on the second liquid outlet branch tubes at intervals, and the second liquid outlet switching tubes are communicated with the lower row of liquid cooling plate liquid outlet tubes.
Optionally, the liquid cooling plate liquid inlet pipe, the liquid cooling plate liquid outlet pipe, the first liquid inlet adapter pipe, the second liquid inlet adapter pipe, the first liquid outlet adapter pipe and the second liquid outlet adapter pipe are made of flexible materials.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description, serve to explain the principles of the invention.
Fig. 1 is a top view of a power battery according to an embodiment of the present invention;
fig. 2 is a perspective view of a power battery according to an embodiment of the present invention;
fig. 3 is a perspective view of the liquid cooling plate, the liquid inlet assembly and the liquid outlet assembly according to an embodiment of the present invention;
fig. 4 is a partial view of an assembly of the battery cell and the liquid cooling plate according to an embodiment of the present invention;
fig. 5 is a plan view of an assembly of the battery cell and the liquid cooling plate according to an embodiment of the present invention;
fig. 6 is a top view of two adjacent liquid-cooled panels in an embodiment of the present invention;
fig. 7 is an assembly diagram of the liquid inlet assembly and the liquid outlet assembly according to an embodiment of the present invention;
fig. 8 is an exploded view of the liquid inlet module and the liquid outlet module according to an embodiment of the present invention.
Reference numerals:
10-battery cell;
20-liquid cooling plate; 21-liquid inlet; 22-a liquid outlet; 201-liquid cooling plate body; 202-a liquid inlet adapter; 203-liquid outlet adapter; 204-liquid cooling plate liquid inlet pipe; 205-liquid cooling plate drain pipe;
30-a liquid inlet component; 31-a liquid inlet main pipe; 32-a first liquid inlet branch pipe; 321-a first liquid inlet adapter tube; 33-a second liquid inlet branch pipe; 331-a second liquid inlet transfer pipe; 34-a first diverter valve;
40-a liquid outlet component; 41-liquid outlet main pipe; 42-first liquid outlet branch pipe; 421-a first liquid outlet transfer pipe; 43-a second liquid outlet branch pipe; 431-a second liquid outlet transfer pipe; 44-second diverter valve.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
The embodiment provides a power battery which can provide electric energy for an electric automobile so as to drive the automobile to run.
Referring to fig. 1-8, in some embodiments, a power cell generally includes: the liquid cooling structure comprises a plurality of rows of cells 10, a plurality of liquid cooling plates 20, a liquid inlet assembly 30 and a liquid outlet assembly 40.
Each row of the battery cells 10 is arranged in a linear array, adjacent battery cells 10 may contact each other to increase the arrangement density of the battery cells, and multiple rows of the battery cells 10 may be distributed in a staggered manner, so as to increase the arrangement density of the battery cells 10.
The liquid inlet assembly 30 is communicated with each liquid inlet 21 and is used for conveying cooling liquid into the liquid cooling plate 20; a liquid outlet assembly 40 communicates with each liquid outlet 22 for receiving the cooling liquid discharged by the liquid cooling plate 20. The cooling liquid in the liquid cooling plate 20 may be water or other medium.
The power battery of the above embodiment all sets up liquid cooling plate 20 through the both sides at each row of electric core 10 to each row of electric core 10 can both be cooled off through two liquid cooling plates 20, and cooling area is big, has greatly improved cooling efficiency, has improved life, security performance and the quick charge performance of battery.
As shown in fig. 1, fig. 2, and fig. 5, the rows of battery cells 10 and the rows of liquid cooling plates 20 are alternately disposed, that is: have a liquid cooling board 20 between two rows of electric cores 10, have one row of electric core 10 between two liquid cooling boards 20, and all in close contact with each other to increase area of contact, improve heat conduction speed.
In some embodiments, referring to fig. 5 and 6, the battery cell 10 has a cylindrical shape, and the fluid-cooled plate 20 has a wavy shape, so that the fluid-cooled plate 20 is at least partially attached to the surface of the battery cell 10. The arc surface of the liquid cooling plate 20 is matched with the outer surface of the battery cell 10, so that the contact area between the liquid cooling plate 20 and the battery cell 10 is increased as much as possible.
Further, a heat-conducting adhesive is filled between the liquid cooling plate 20 and the battery cell 10, so that the heat conduction speed is increased.
In some embodiments, the liquid cooling plate 20 includes a liquid cooling plate body 201, a liquid inlet adapter 202 and a liquid outlet adapter 203 connected to two ends of the liquid cooling plate body 201, a liquid cooling plate liquid inlet pipe 204 connected to the liquid inlet adapter 202, and a liquid cooling plate liquid outlet pipe 205 connected to the liquid outlet adapter 203, wherein the liquid inlet 21 is formed in the liquid cooling plate liquid inlet pipe 204, and the liquid outlet 22 is formed in the liquid cooling plate liquid outlet pipe 205; the liquid cooling plate inlet pipe 204 is communicated with the liquid inlet assembly 30, the liquid cooling plate outlet pipe 205 is communicated with the liquid outlet assembly 40, and the internal channel is mainly formed in the cold plate body 201.
The main heat exchange part of the liquid cooling plate 20 is a cold plate body 201, the cold plate body 201 is in contact with the battery cell 10 to absorb heat of the battery cell 10, and the cold plate body 201 can be wavy, so as to be better attached to the cylindrical battery cell 10.
The liquid inlet adapter 202 and/or the liquid inlet pipe 204 of the cold plate may be made of flexible material, so as to absorb the installation tolerance of the cold plate body 201, thereby making the installation operation simple and easy to implement.
The liquid outlet adapter 203 and/or the liquid cooling plate liquid outlet pipe 205 may be made of flexible material, so as to absorb the installation tolerance of the cold plate body 201, thereby making the installation operation simple and easy to implement.
Referring to fig. 4, the liquid inlet pipes 204 of two adjacent liquid cooling plates 20 are located between the two corresponding liquid inlet joints 202 and are vertically spaced, so that the two liquid inlet pipes 204 are staggered from each other and connected to the liquid inlet assembly 30 in a limited space.
Further, the liquid cooling plate liquid outlet pipes 205 of two adjacent liquid cooling plates 20 are located between the two corresponding liquid outlet adapters 203 and are distributed at intervals up and down, so that the two liquid cooling plate liquid outlet pipes 205 are staggered with each other, and are connected with the liquid outlet assembly 40 in a limited space.
In some embodiments, the liquid cooling plate liquid inlet pipes 204 of two adjacent liquid cooling plates 20 have opposite opening directions, so that the two liquid cooling plate liquid inlet pipes 204 are connected with the liquid inlet assembly 30 in different orientations, and the installation operation is simple and easy to implement.
The opening directions of the liquid cooling plate liquid outlet pipes 205 of two adjacent liquid cooling plates 20 are opposite, so that the two liquid cooling plate liquid outlet pipes 205 are connected with the liquid outlet assembly 40 in different directions, and the installation operation is simple and easy to realize.
In some embodiments, the area between the two liquid inlet adapters 202 where the liquid inlet pipe 204 is not disposed is a non-assembly area, the area where the liquid inlet pipe 204 is disposed is an assembly area, and the liquid inlet adapter 202 bends and extends to the adjacent non-assembly area, so that the width of the non-assembly area is smaller than the width of the assembly area.
As shown in fig. 4-6, two liquid inlet adapters 202 are bent and extended towards the adjacent non-assembly area, so as to compress the width of the non-assembly area and increase the width of the assembly area, so that the liquid inlet pipe 204 of the liquid cooling plate located in the assembly area has a more sufficient installation space, so that the connection is more reliable, the assembly quality of the power battery is improved, the installation operation of the power battery is simple, and the manufacturing cost is reduced.
Further, the area between the two liquid outlet adapters 203 where the liquid cooling plate liquid outlet pipe 205 is not arranged is a non-assembly area, the area where the liquid cooling plate liquid outlet pipe 205 is arranged is an assembly area, and the liquid outlet adapters 203 bend and extend to the adjacent non-assembly area, so that the width of the non-assembly area is smaller than that of the assembly area.
As shown in fig. 4-6, the two liquid outlet adapters 203 are bent and extended towards the adjacent non-assembly area, so as to reduce the width of the non-assembly area, and increase the width of the assembly area, so that the liquid cooling plate liquid outlet pipe 205 located in the assembly area has a more sufficient installation space, so that the connection is more reliable, the assembly quality of the power battery is improved, the installation operation of the power battery is simple, and the manufacturing cost is reduced.
Referring to fig. 7 and 8, the liquid inlet assembly 30 includes a liquid inlet main pipe 31, and a first liquid inlet branch pipe 32 and a second liquid inlet branch pipe 33 which are communicated with the liquid inlet main pipe 31, wherein the first liquid inlet branch pipe 32 and the second liquid inlet branch pipe 33 are distributed at intervals up and down; the first branch liquid inlet pipe 32 is communicated with the liquid cooling plate liquid inlet pipe 204 on the upper row, and the second branch liquid inlet pipe 33 is communicated with the liquid cooling plate liquid inlet pipe 204 on the lower row.
Therefore, the liquid cooling plate liquid inlet pipe 204 distributed up and down is connected through the first liquid inlet branch pipe 32 and the second liquid inlet branch pipe 33 distributed up and down, so that the installation operation is simple, and the manufacturing cost is reduced.
Referring to fig. 7 and 8, the liquid outlet assembly 40 includes a liquid outlet main pipe 41, and a first liquid outlet branch pipe 42 and a second liquid outlet branch pipe 43 communicated with the liquid outlet main pipe 41, wherein the first liquid outlet branch pipe 42 and the second liquid outlet branch pipe 43 are distributed at intervals up and down; the first liquid outlet branch pipe 42 is communicated with the upper row of liquid cooling plate liquid outlet pipes 205, and the second liquid outlet branch pipe 43 is communicated with the lower row of liquid cooling plate liquid outlet pipes 205.
Therefore, the liquid cooling plate liquid outlet pipe 205 distributed up and down is connected through the first liquid outlet branch pipe 42 and the second liquid outlet branch pipe 43 distributed up and down, so that the installation and the operation are simple, and the manufacturing cost is reduced.
Further, the first branch liquid inlet pipe 32 and the second branch liquid inlet pipe 33 are communicated with the main liquid inlet pipe 31 through the first branch valve 34, the first and second liquid outlet branch pipes 42 and 43 are communicated with the liquid outlet main pipe 41 through the second flow dividing valve 44.
The cooling liquid firstly enters the liquid inlet main pipe 31, then enters the first liquid inlet branch pipe 32 and the second liquid inlet branch pipe 33 through the first flow dividing valve 34, then enters the corresponding liquid cooling plate 20 from the first liquid inlet branch pipe 32 and the second liquid inlet branch pipe 33, absorbs heat in the liquid cooling plate 20, then flows into the first liquid outlet branch pipe 42 and the second liquid outlet branch pipe 43, then enters the liquid outlet main pipe 41 through the second flow dividing valve 44, and flows to a designated position from the liquid outlet main pipe 41. Wherein, the cooling liquid can be recycled after being cooled.
In some embodiments, a plurality of first liquid inlet transit pipes 321 are arranged at intervals on the first liquid inlet branch pipe 32, and the first liquid inlet transit pipes 321 are communicated with the liquid inlet pipes 204 of the liquid cooling plates in the upper row; a plurality of second liquid inlet transfer pipes 331 are arranged on the second liquid inlet branch pipe 33 at intervals, and the second liquid inlet transfer pipes 331 are communicated with the liquid inlet pipes 204 of the liquid cooling plates in the lower row; a plurality of first liquid outlet transfer pipes 421 are arranged on the first liquid outlet branch pipe 42 at intervals, and the first liquid outlet transfer pipes 421 are communicated with the liquid outlet pipes 205 of the liquid cooling plates arranged on the upper row; a plurality of second liquid outlet adapter pipes 431 are arranged on the second liquid outlet branch pipe 43 at intervals, and the second liquid outlet adapter pipes 431 are communicated with the liquid cooling plate liquid outlet pipe 205 arranged at the lower row.
The first liquid inlet adapter pipe 321 and the second liquid inlet adapter pipe 331 are both bent pipes so as to be communicated with the liquid cooling plate liquid inlet pipe 204; the first liquid outlet adapter tube 421 and the second liquid outlet adapter tube 431 are both bent tubes so as to be communicated with the liquid cooling plate outlet tube 205.
In some embodiments, the liquid cooling plate inlet pipe 204, the liquid cooling plate outlet pipe 205, the first inlet adapter pipe 321, the second inlet adapter pipe 331, the first outlet adapter pipe 421, and the second outlet adapter pipe 431 are made of flexible materials. Therefore, the flexibility of each pipe fitting is kept while the cooling area is ensured, and the installation tolerance of the liquid cooling plate 20 can be absorbed, so that the installation operation is simple and easy to realize.
Firstly, providing a first liquid cooling plate 20, coating heat-conducting glue, stacking the battery cells on the liquid cooling plate 20, then providing a second fast liquid cooling plate 20, coating heat-conducting glue, placing the second fast liquid cooling plate on the other side of the battery cells, and then repeating the above operations to sequentially install the battery cells 10 and the liquid cooling plates 20 until all the battery cells and the liquid cooling plates are completely installed; then, the first branch liquid inlet pipe 32, the second branch liquid inlet pipe 33, the first branch liquid outlet pipe 42 and the second branch liquid outlet pipe 43 are installed, then the first flow dividing valve 34 and the second flow dividing valve 44 are installed, and finally the main liquid inlet pipe 31 and the main liquid outlet pipe 41 are installed, so that the partial assembly of the power battery is completed.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; it may be a mechanical connection that is connected to, or may be electrically connected or communicable with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the present disclosure, the terms "one embodiment," "some embodiments," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present disclosure. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.
Claims (13)
1. A power cell, comprising:
a plurality of rows of electric cores (10),
the liquid cooling plates (20) are attached to two sides of each row of the battery cells (10), and each liquid cooling plate (20) is provided with a liquid inlet (21), a liquid outlet (22) and an internal channel for communicating the liquid inlet (21) with the liquid outlet (22);
the liquid inlet assembly (30) is communicated with each liquid inlet (21) and is used for conveying cooling liquid into the liquid cooling plate (20); and
a liquid outlet assembly (40), said liquid outlet assembly (40) being in communication with each said liquid outlet (22) for receiving cooling liquid discharged by said liquid cooling plate (20).
2. The power battery according to claim 1, wherein the battery core (10) is cylindrical, and the liquid cooling plate (20) is wavy, so that the liquid cooling plate (20) is at least partially attached to the surface of the battery core (10).
3. The power battery according to claim 2, characterized in that a heat-conducting glue is filled between the liquid cooling plate (20) and the battery core (10).
4. The power battery according to claim 1, wherein the liquid cooling plate (20) comprises a liquid cooling plate body (201), an inlet adapter (202) and an outlet adapter (203) connected to two ends of the liquid cooling plate body (201), a liquid cooling plate inlet pipe (204) connected to the inlet adapter (202), and a liquid cooling plate outlet pipe (205) connected to the outlet adapter (203), wherein the inlet (21) is formed in the liquid cooling plate inlet pipe (204), and the outlet (22) is formed in the liquid cooling plate outlet pipe (205);
the liquid cooling plate liquid inlet pipe (204) is communicated with the liquid inlet assembly (30), and the liquid cooling plate liquid outlet pipe (205) is communicated with the liquid outlet assembly (40).
5. The power battery according to claim 4, wherein the liquid cooling plate liquid inlet pipes (204) of two adjacent liquid cooling plates (20) are positioned between the corresponding two liquid inlet joints (202) and are distributed at intervals up and down;
liquid cooling plate liquid outlet pipes (205) of two adjacent liquid cooling plates (20) are positioned between the two corresponding liquid outlet adapters (203) and are distributed at intervals up and down.
6. The power battery according to claim 5, characterized in that the liquid-cooled plate inlet pipes (204) of two adjacent liquid-cooled plates (20) are opened in opposite directions, and the liquid-cooled plate outlet pipes (205) of two adjacent liquid-cooled plates (20) are opened in opposite directions.
7. The power battery according to claim 4, wherein the region between two liquid inlet adapters (202) where no liquid cooling plate liquid inlet pipe (204) is arranged is a non-assembly region, the region where the liquid cooling plate liquid inlet pipe (204) is arranged is an assembly region, and the liquid inlet adapters (202) are bent and extended towards the adjacent non-assembly region, so that the width of the non-assembly region is smaller than that of the assembly region.
8. The power battery according to claim 4, wherein the area between two liquid outlet adapters (203) where no liquid cooling plate liquid outlet pipe (205) is arranged is a non-assembly area, the area where the liquid cooling plate liquid outlet pipe (205) is arranged is an assembly area, and the liquid outlet adapters (203) are bent and extended towards the adjacent non-assembly area, so that the width of the non-assembly area is smaller than that of the assembly area.
9. The power battery according to claim 4, wherein the liquid inlet assembly (30) comprises a liquid inlet main pipe (31) and a first liquid inlet branch pipe (32) and a second liquid inlet branch pipe (33) which are communicated with the liquid inlet main pipe (31), and the first liquid inlet branch pipe (32) and the second liquid inlet branch pipe (33) are distributed at intervals up and down;
the first liquid inlet branch pipe (32) is communicated with the liquid inlet pipe (204) of the liquid cooling plate on the upper row,
and the second liquid inlet branch pipe (33) is communicated with the liquid cooling plate liquid inlet pipe (204) at the lower row.
10. The power battery according to claim 9, wherein the liquid outlet assembly (40) comprises a liquid outlet main pipe (41) and a first liquid outlet branch pipe (42) and a second liquid outlet branch pipe (43) communicated with the liquid outlet main pipe (41), and the first liquid outlet branch pipe (42) and the second liquid outlet branch pipe (43) are distributed at intervals up and down;
the first liquid outlet branch pipe (42) is communicated with the liquid outlet pipe (205) of the liquid cooling plate on the upper row,
and the second liquid outlet branch pipe (43) is communicated with the liquid cooling plate liquid outlet pipe (205) arranged at the lower part.
11. A power cell according to claim 10, characterized in that said first liquid inlet branch pipe (32) and said second liquid inlet branch pipe (33) are in communication with said liquid inlet main pipe (31) through a first flow divider valve (34), and said first liquid outlet branch pipe (42) and said second liquid outlet branch pipe (43) are in communication with said liquid outlet main pipe (41) through a second flow divider valve (44).
12. The power cell of claim 10,
a plurality of first liquid inlet transfer pipes (321) are arranged on the first liquid inlet branch pipe (32) at intervals, and the first liquid inlet transfer pipes (321) are communicated with the liquid inlet pipes (204) of the liquid cooling plates arranged in the upper row;
a plurality of second liquid inlet transfer pipes (331) are arranged on the second liquid inlet branch pipe (33) at intervals, and the second liquid inlet transfer pipes (331) are communicated with the liquid inlet pipe (204) of the liquid cooling plate at the lower row;
a plurality of first liquid outlet switching tubes (421) are arranged on the first liquid outlet branch tube (42) at intervals, and the first liquid outlet switching tubes (421) are communicated with the liquid outlet tubes (205) of the liquid cooling plates arranged on the upper row;
a plurality of second liquid outlet switching tubes (431) are arranged on the second liquid outlet branch tube (43) at intervals, and the second liquid outlet switching tubes (431) are communicated with the lower row of liquid cooling plate liquid outlet tubes (205).
13. The power battery of claim 12, wherein the liquid cooling plate inlet pipe (204), the liquid cooling plate outlet pipe (205), the first inlet adapter pipe (321), the second inlet adapter pipe (331), the first outlet adapter pipe (421), and the second outlet adapter pipe (431) are made of flexible materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222308043.9U CN218101445U (en) | 2022-08-29 | 2022-08-29 | Power battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222308043.9U CN218101445U (en) | 2022-08-29 | 2022-08-29 | Power battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218101445U true CN218101445U (en) | 2022-12-20 |
Family
ID=84449670
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222308043.9U Active CN218101445U (en) | 2022-08-29 | 2022-08-29 | Power battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218101445U (en) |
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2022
- 2022-08-29 CN CN202222308043.9U patent/CN218101445U/en active Active
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