CN212542541U - Liquid cooling plate, battery box and power battery - Google Patents
Liquid cooling plate, battery box and power battery Download PDFInfo
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- CN212542541U CN212542541U CN202021386593.7U CN202021386593U CN212542541U CN 212542541 U CN212542541 U CN 212542541U CN 202021386593 U CN202021386593 U CN 202021386593U CN 212542541 U CN212542541 U CN 212542541U
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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
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- Y02E60/10—Energy storage using batteries
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Abstract
The utility model relates to the technical field of power batteries, a liquid cooling plate, a battery box and a power battery are provided, a cooling flow passage is formed in the liquid cooling plate, the cooling flow passage comprises a liquid inlet flow passage, a liquid outlet flow passage and at least one first branch flow passage, each first branch flow passage comprises a first branch flow section, a second branch flow section, a third branch flow section, a fourth branch flow section and a fifth branch flow section which are sequentially communicated, one end of the second branch flow section and one end of the fourth branch flow section are communicated with the liquid inlet flow passage, one end of the first branch flow section, one end of the third branch flow section and one end of the fifth branch flow section are communicated with the liquid outlet flow passage, each first branch flow passage of the liquid cooling plate forms a flow passage structure of 'two inlets and three outlets', thereby being capable of reasonably distributing flow resistance of the cooling liquid, reducing the cooling liquid in the cooling flow passage, thereby effectively improving the heat exchange performance of the liquid cooling plate, and further improving the heat dissipation performance of the power battery, the working safety performance of the power battery is effectively ensured.
Description
Technical Field
The utility model relates to a power battery technical field especially provides a liquid cooling board, battery box and power battery.
Background
With the development of new energy industry, electric vehicles are gradually popularized, and the power battery is used as a core component of the electric vehicle, so that the popularization and application of the electric vehicle are directly influenced by the working safety performance of the power battery.
At present, the power battery usually can set up the liquid cooling board in the inside of battery box, however, because the cooling runner design of traditional liquid cooling board is unreasonable, can't carry out rational distribution to the flow of coolant liquid, the flow resistance that makes the coolant liquid circulate in the cooling runner increases, leads to the heat transfer performance of liquid cooling board to descend, makes the heat dispersion of power battery also descend thereupon, has brought adverse effect for power battery's work safety.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a liquid cooling board, battery box and power battery aim at solving the relatively poor technical problem of heat transfer performance of current liquid cooling board.
In order to achieve the above object, the embodiment of the present invention adopts the following technical solutions: the utility model provides a liquid cooling board, form cooling flow in the liquid cooling board, cooling flow includes the inlet channel, go out liquid flow and an at least first tributary runner, each first tributary runner all includes the first tributary section that communicates in proper order, the second tributary section, the third tributary section, fourth tributary section and fifth tributary section, the one end of second tributary section and the one end of fourth tributary section all are linked together with the inlet channel, the one end of first tributary section, the one end of third tributary section and the one end of fifth tributary section all are linked together with going out the liquid flow.
The embodiment of the utility model provides a liquid cooling plate has following beneficial effect at least: when the liquid cooling plate works, cooling liquid flows into the second branch flow section and the fourth branch flow section from the liquid inlet flow channel, the cooling liquid flows into the first branch flow section and the third branch flow section after flowing through the second branch flow section respectively, meanwhile, the cooling liquid flows into the third branch flow section and the fifth branch flow section after flowing through the fourth branch flow section respectively, and finally, the cooling liquid flows out to the liquid outlet flow channel from the first branch flow section, the third branch flow section and the fifth branch flow section.
In one embodiment, there are a plurality of first branch flow channels, and the plurality of first branch flow channels are sequentially arranged between the liquid inlet flow channel and the liquid outlet flow channel side by side.
By adopting the technical scheme, the covering area of the cooling flow channel on the liquid cooling plate can be increased to the greatest extent, so that the heat exchange area of the liquid cooling plate is increased, and the heat exchange performance of the liquid cooling plate is further improved.
In one embodiment, the flow area of the liquid inlet flow channel and the flow area of the liquid outlet flow channel are larger than the flow area of each of the first branch flow section, the second branch flow section, the third branch flow section, the fourth branch flow section and the fifth branch flow section.
By adopting the technical scheme, the flow resistance of the cooling liquid in the cooling flow channel can be further reduced, so that the heat exchange performance of the plate replacement is further improved.
In one embodiment, the cooling flow passage further comprises a second branch flow passage, the liquid inlet flow passage has an inlet flow section, the liquid outlet flow passage has an outlet flow section, and the second branch flow passage is communicated between the inlet flow section of the liquid inlet flow passage and the outlet flow section of the liquid outlet flow passage.
By adopting the technical scheme, the second branch flow channel and each first branch flow channel jointly divide the cooling liquid, the flow distribution of the cooling liquid can be more reasonably carried out, the flow resistance of the cooling liquid in the cooling flow channel can be further reduced, and the heat exchange performance of the liquid cooling plate is further improved
In order to achieve the above object, the embodiment of the present invention further provides a battery box, which includes a frame body and the above liquid cooling plate, wherein the liquid cooling plate is installed at the bottom of the frame body.
Since the battery box adopts all the embodiments of the liquid cooling plate, at least all the advantages of the embodiments are achieved, and no further description is given here.
In one embodiment, the battery box further comprises a liquid inlet joint and a liquid outlet joint which are both arranged outside the frame body, the liquid inlet joint is communicated with the liquid inlet end of the liquid inlet flow channel of the liquid cooling plate, and the liquid outlet joint is communicated with the liquid outlet end of the liquid outlet flow channel of the liquid cooling plate.
By adopting the technical scheme, the cooling flow channel of the liquid cooling plate can be directly communicated with the automobile waterway system through the liquid inlet joint and the liquid outlet joint to form a circulating cooling waterway without additionally arranging a liquid guide pipe in the battery box, so that the whole weight of the power battery can be effectively reduced, the liquid guide pipe can be prevented from occupying the inner space of the battery box, the size of the battery box is effectively reduced, and the energy density of the power battery is improved.
In one embodiment, the liquid cooling plate is provided with a first extension portion and a second extension portion which extend out of the frame body, the liquid inlet end of the liquid inlet flow channel extends out of the frame body through the first extension portion, and the liquid outlet end of the liquid outlet flow channel extends out of the frame body through the second extension portion.
By adopting the technical scheme, the frame body is arranged outside the connecting part of the liquid inlet joint and the liquid inlet end of the cooling flow channel and the connecting part of the liquid outlet joint and the liquid outlet end of the cooling flow channel, so that the cooling liquid is effectively prevented from leaking into the battery box, the short circuit of the power battery is effectively prevented, and the working safety performance of the power battery is improved.
In one embodiment, the battery box further includes at least one cross beam, the liquid cooling plate is provided with at least one through hole or at least one concave portion, the bottom of each cross beam is provided with at least one convex portion, and each convex portion is correspondingly matched with each through hole or each concave portion.
Through adopting above-mentioned technical scheme, make the liquid cooling plate can shift up as far as possible and install in the framework to reduce the height of battery box, thereby effectively reduce the volume of battery box, with the energy density that improves power battery.
In one embodiment, the part of the liquid inlet flow channel of the liquid cooling plate, which is close to the corresponding through hole or the corresponding concave part, is bent to form a first flow avoiding section; and/or the part of the liquid outlet flow channel of the liquid cooling plate, which is close to the corresponding through hole or the corresponding concave part, is bent to form a second flow avoiding section.
By adopting the technical scheme, the interference between the liquid cooling plate and the joint structure of each cross beam and the cooling flow channel is effectively avoided.
In order to achieve the above object, the embodiment of the present invention further provides a power battery, which includes the above battery box.
Since the power battery adopts all the embodiments of the battery box, at least all the advantages of the embodiments are achieved, and detailed description is omitted.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.
Fig. 1 is a schematic view of a first view structure of a battery box according to an embodiment of the present invention;
fig. 2 is an exploded view of the battery case shown in fig. 1;
fig. 3 is a schematic diagram of a second view structure of a battery box according to an embodiment of the present invention;
fig. 4 is a schematic view of a cooling flow path structure of a liquid cooling plate of a battery box according to an embodiment of the present invention.
Wherein, in the figures, the respective reference numerals:
10. the cooling plate comprises a liquid cooling plate, 11, a cooling flow channel, 111, a liquid inlet flow channel, 1111, a liquid inlet end, 1112, an inlet flow section, 1113, a first bypass flow section, 112, a liquid outlet flow channel, 1121, a liquid outlet end, 1122, an outlet flow section, 1123, a second bypass flow section, 113, a first branch flow channel, 1131, a first branch flow section, 1132, a second branch flow section, 1133, a third branch flow section, 1134, a fourth branch flow section, 1135, a fifth branch flow section, 114, a second branch flow channel, 12, a first plate body, 121, a first channel, 122, a first opening, 13, a second plate body, 131, a second opening, 14, a first extension portion, 15, a second extension portion, 16, a through hole, 20, a frame body, 21, a first notch, 22, a second notch, 30, a liquid inlet joint, 40, a liquid outlet joint, 50, a beam, 51 and a protrusion.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. 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.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second", "third", "fourth", "fifth" 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, features defined as "first", "second", "third", "fourth", "fifth" may explicitly or implicitly include one or more of the features. In the description of the present invention, "a plurality" means two or more 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; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
Referring to fig. 1 to 4, in a liquid cooling plate 10, a cooling flow channel 11 is formed in the liquid cooling plate 10, the cooling flow channel 11 includes a liquid inlet flow channel 111, a liquid outlet flow channel 112, and at least one first branch flow channel 113, each first branch flow channel 113 includes a first branch flow section 1131, a second branch flow section 1132, a third branch flow section 1133, a fourth branch flow section 1134, and a fifth branch flow section 1135, which are sequentially connected, one end of the second branch flow section 1132 and one end of the fourth branch flow section 1134 are both communicated with the liquid inlet flow channel 111, and one end of the first branch flow section 1131, one end of the third branch flow section 1133, and one end of the fifth branch flow section 1135 are all communicated with the liquid outlet flow channel 112.
During operation, the cooling liquid flows into the second branch flow section 1132 and the fourth branch flow section 1134 from the liquid inlet channel 111, the cooling liquid flows into the first branch flow section 1131 and the third branch flow section 1133 respectively after flowing through the second branch flow section 1132, and simultaneously, the cooling liquid flows into the third branch flow section 1133 and the fifth branch flow section 1135 respectively after flowing through the fourth branch flow section 1134, and finally, the cooling liquid flows out to the liquid outlet channel 112 through the first branch flow section 1131, the third branch flow section 1133 and the fifth branch flow section 1135, so that each first branch flow channel 113 forms a "two-in three-out" flow channel structure, thereby performing reasonable flow distribution on the cooling liquid, reducing the flow resistance of the cooling liquid in the cooling flow channel 11, effectively improving the heat exchange performance of the liquid cooling plate 10, further improving the heat dissipation performance of the power battery, and effectively ensuring the operation safety performance of the power battery.
Specifically, as shown in fig. 4 and fig. 3, the first tributary section 1131 and the second tributary section 1132 are connected in an "S" shape; the second tributary section 1132 and the third tributary section 1133 are communicated to form an "S" shaped structure; the third branch section 1133 and the fourth branch section 1134 are communicated to form an S-shaped structure; a fourth branch section 1134 and a fifth branch section 1135; the communication is in an S-shaped structure. The flow distribution and the heat exchange area are larger, the heat exchange performance of the liquid cooling plate 10 is effectively improved, and the heat dissipation performance of the power battery is further improved.
Specifically, as shown in fig. 1 and fig. 2, the liquid cooling plate 10 includes a first plate 12 and a second plate 13;
the first plate body 12 is punched to form a plurality of first channels 121 which are mutually communicated, and the second plate body 13 is hermetically covered with the first plate body 12 so as to seal the plurality of first channels 121 to form the cooling flow channel 11;
or, the first plate body 12 is stamped to form a plurality of first channels 121 that are mutually communicated, the second plate body 13 is stamped to form a plurality of second channels that are mutually communicated, and the second plate body 13 and the first plate body 12 are hermetically covered, so that the first channels 121 and the second channels are correspondingly enclosed to form the cooling flow channel 11.
The surface of the second plate 13 away from the first plate 12 is a planar structure for supporting components such as a battery module and a battery management module, and meanwhile, the second plate 13 serves as a heat conducting component to transfer heat inside the power battery to the cooling liquid in the cooling channel 11, so that the purpose of dissipating heat of the power battery is achieved.
The first board body 12 and the second board body 13 are connected in various ways, such as welding, fastening, bonding, etc., and are not limited in detail herein. When the first plate 12 and the second plate 13 are connected by fastening, a sealing member such as a sealing gasket may be disposed between the first plate 12 and the second plate 13 to ensure the sealing performance of the liquid cooling plate 10.
In this embodiment, as shown in fig. 1 to fig. 4, there are a plurality of first branch flow channels 113, and the plurality of first branch flow channels 113 are sequentially arranged between the liquid inlet flow channel 111 and the liquid outlet flow channel 112 in parallel. By adopting the technical scheme, the coverage area of the cooling flow channel 11 on the liquid cooling plate 10 can be increased to the greatest extent, so that the heat exchange area of the liquid cooling plate 10 is increased, and the heat exchange performance of the liquid cooling plate 10 is further improved.
In this embodiment, the flow area of the inlet flow channel 111 and the flow area of the outlet flow channel 112 are both larger than the flow area of each of the first branch flow section 1131, the second branch flow section 1132, the third branch flow section 1133, the fourth branch flow section 1134 and the fifth branch flow section 1135, that is, the flow area of the inlet flow channel 111 is larger than the flow area of any one of the first branch flow section 1131, the second branch flow section 1132, the third branch flow section 1133, the fourth branch flow section 1134 and the fifth branch flow section 1135, and the flow area of the outlet flow channel 112 is larger than the flow area of any one of the first branch flow section 1131, the second branch flow section 1132, the third branch flow section 1133, the fourth branch flow section 1134 and the fifth branch flow section 1135. By adopting the technical scheme, the flow resistance of the cooling liquid in the cooling flow channel 11 can be further reduced, so that the heat exchange performance of the plate replacement is further improved.
The flow area is a minimum area through which the coolant flows in the corresponding pipe per unit time.
After the first plate body 12 and/or the second plate body 13 are subjected to a stamping process and the first plate body 12 and the second plate body 13 are hermetically connected, the depths of the formed liquid inlet flow channel 111 and the liquid outlet flow channel 112 are greater than the depths of the first branch flow channels 113, so that the flow area of the liquid inlet flow channel 111 and the flow area of the liquid outlet flow channel 112 are both greater than the flow area of any one of the first branch flow sections 1131, the second branch flow section 1132, the third branch flow section 1133, the fourth branch flow section 1134 and the fifth branch flow section 1135.
In this embodiment, as shown in fig. 1 to fig. 4, the cooling flow channel 11 further includes a second branch flow channel 114, the liquid inlet flow channel 111 has an inlet flow section 1112, the liquid outlet flow channel 112 has an outlet flow section 1122, the second branch flow channel 114 is connected between the inlet flow section 1112 of the liquid inlet flow channel 111 and the outlet flow section 1122 of the liquid outlet flow channel 112, and the second branch flow channel 114 is in an "S" shape. The second branch flow channel 114 and each first branch flow channel 113 are used for distributing the cooling liquid together, so that the flow distribution of the cooling liquid can be more reasonably performed, the flow resistance of the cooling liquid in the cooling flow channel 11 can be further reduced, and the heat exchange performance of the liquid-cooled plate 10 can be further improved.
Referring to fig. 1 to 4, a battery box includes a frame 20 and the liquid cooling plate 10, wherein the liquid cooling plate 10 is mounted at the bottom of the frame 20.
Since the battery box adopts all the embodiments of the liquid cooling plate 10, at least all the advantages of the embodiments are achieved, and no further description is given here.
The connection between the liquid cooling plate 10 and the frame 20 may be made in various ways, such as welding, fastening, and bonding, and is not limited in particular.
In this embodiment, please refer to fig. 1 to fig. 3, the battery box further includes a liquid inlet connector 30 and a liquid outlet connector 40 both disposed outside the frame 20, the liquid inlet connector 30 is communicated with the liquid inlet end 1111 of the liquid inlet channel 111 of the liquid cooling plate 10, and the liquid outlet connector 40 is communicated with the liquid outlet end 1121 of the liquid outlet channel 112 of the liquid cooling plate 10. By adopting the above technical scheme, the cooling flow channel 11 of the liquid cooling plate 10 can be directly communicated with the automobile waterway system through the liquid inlet connector 30 and the liquid outlet connector 40 to form a circulating cooling waterway without additionally arranging a liquid guide pipe in the battery box, so that the whole weight of the power battery can be effectively reduced, the liquid guide pipe can be prevented from occupying the inner space of the battery box, the size of the battery box can be effectively reduced, and the energy density of the power battery can be improved.
Specifically, as shown in fig. 1 to fig. 3, the liquid cooling plate 10 is provided with a first extension portion 14 and a second extension portion 15 both extending outward from the frame 20, the liquid inlet end 1111 of the liquid inlet channel 111 extends outward from the frame 20 through the first extension portion 14, and the liquid outlet end 1121 of the liquid outlet channel 112 extends outward from the frame 20 through the second extension portion 15. By adopting the technical scheme, the connection part of the liquid inlet joint 30 and the liquid inlet end 1111 of the cooling flow channel 11 and the connection part of the liquid outlet joint 40 and the liquid outlet end 1121 of the cooling flow channel 11 are ensured to be arranged outside the frame body 20, so that the cooling liquid is effectively prevented from leaking into the battery box, the short circuit of the power battery is effectively prevented, and the working safety performance of the power battery is improved.
Specifically, as shown in fig. 1 to fig. 3, a first notch 21 and a second notch 22 are formed at the bottom of the frame 20, the first extension portion 14 of the liquid cooling plate 10 passes through the first notch 21 and then extends out of the frame 20, and the second extension portion 15 of the liquid cooling plate 10 passes through the second notch 22 and then extends out of the frame 20. By adopting the technical scheme, the liquid cooling plate 10 can move upwards as much as possible and is installed on the frame body 20 so as to reduce the height of the battery box, thereby effectively reducing the volume of the battery box and improving the energy density of the power battery.
In this embodiment, please refer to fig. 1 to fig. 3, the battery box further includes at least one cross member 50, the liquid cooling plate 10 is provided with at least one through hole 16 or at least one concave portion, the bottom of each cross member 50 is provided with at least one convex portion 51, and each convex portion 51 is correspondingly matched with each through hole 16 or each concave portion. By adopting the above-mentioned joint structure between the liquid cooling plate 10 and each cross beam 50, the liquid cooling plate 10 can be moved upward as much as possible and mounted on the frame 20 to reduce the height of the battery box, thereby effectively reducing the volume of the battery box and improving the energy density of the power battery.
Specifically, as shown in fig. 1 to fig. 3, when the liquid-cooled plate 10 and each cross beam 50 adopt a through hole 16-protrusion 51 matching structure, the first plate 12 is provided with at least one first opening 122, the second plate 13 is provided with at least one second opening 131, each first opening 122 and each second opening 131 are correspondingly communicated to form the through hole 16, and the protrusion 51 of each cross beam 50 is inserted into the corresponding through hole 16, so as to achieve the engagement between the liquid-cooled plate 10 and each cross beam 50.
Specifically, as shown in fig. 1 to fig. 4, a portion of the liquid inlet flow channel 111 of the liquid cooling plate 10, which is close to each through hole 16 or each concave portion, is bent to form a first avoiding flow segment 1113; and/or the part of the liquid outlet flow passage 112 of the liquid cooling plate 10, which is close to each through hole 16 or each concave part, is bent to form a second avoiding flow section 1123. By adopting the technical scheme, the interference between the joint structure of the liquid cooling plate 10 and each cross beam 50 and the cooling flow channel 11 is effectively avoided.
In order to achieve the above object, the embodiment of the present invention further provides a power battery, which includes the above battery box.
Since the power battery adopts all the embodiments of the battery box, at least all the advantages of the embodiments are achieved, and detailed description is omitted.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. The utility model provides a liquid cooling board, form cooling flow path in the liquid cooling board, its characterized in that: the cooling flow channel includes the feed liquor runner, goes out liquid flow channel and an at least first branch runner, each first branch runner all includes first tributary section, second tributary section, third tributary section, fourth tributary section and the fifth tributary section that communicates in proper order, the second tributary section one end with the fourth tributary section one end all with the feed liquor runner is linked together, the first tributary section one end the third tributary section one end and the fifth tributary section one end all with it is linked together to go out the liquid flow channel.
2. The liquid cold plate of claim 1, wherein: the first branch flow channel is provided with a plurality of first branch flow channels which are sequentially arranged between the liquid inlet flow channel and the liquid outlet flow channel side by side.
3. The liquid cold plate of claim 1, wherein: the flow area of the liquid inlet flow channel and the flow area of the liquid outlet flow channel are respectively larger than the flow area of the first branch flow section, the flow area of the second branch flow section, the flow area of the third branch flow section, the flow area of the fourth branch flow section and the flow area of the fifth branch flow section.
4. A liquid-cooled panel as claimed in any one of claims 1 to 3, wherein: the cooling flow channel further comprises a second branch flow channel, the liquid inlet flow channel is provided with an inlet flow section, the liquid outlet flow channel is provided with an outlet flow section, and the second branch flow channel is communicated with the inlet flow section of the liquid inlet flow channel and the outlet flow section of the liquid outlet flow channel.
5. A battery box, characterized in that it comprises a frame body and the liquid-cooled plate of any one of claims 1 to 4, said liquid-cooled plate being mounted at the bottom of said frame body.
6. The battery box according to claim 5, characterized in that: the battery box further comprises a liquid inlet connector and a liquid outlet connector which are arranged outside the frame body, the liquid inlet connector is communicated with the liquid inlet end of the liquid inlet flow channel of the liquid cooling plate, and the liquid outlet connector is communicated with the liquid outlet end of the liquid outlet flow channel of the liquid cooling plate.
7. The battery box according to claim 6, characterized in that: the liquid cooling board is equipped with all to first extension portion and the second extension portion that the frame stretches out outward, the feed liquor runner the feed liquor end passes through first extension portion to the frame extends outward, and, go out the liquid runner go out the liquid end and pass through the second extension portion to the frame extends outward.
8. The battery box according to any one of claims 5 to 7, characterized in that: the battery box also comprises at least one cross beam, the liquid cooling plate is provided with at least one through hole or at least one concave part, the bottom of each cross beam is provided with at least one convex part, and each convex part is correspondingly matched with each through hole or each concave part.
9. The battery box according to claim 8, characterized in that: the liquid inlet flow channel of the liquid cooling plate is bent to form a first flow avoiding section at a part close to the corresponding through hole or the corresponding concave part; and/or the part of the liquid outlet flow channel of the liquid cooling plate, which is close to the corresponding through hole or the corresponding concave part, is bent to form a second flow avoiding section.
10. A power battery, characterized by: comprising a battery compartment according to any of claims 5-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021386593.7U CN212542541U (en) | 2020-07-14 | 2020-07-14 | Liquid cooling plate, battery box and power battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021386593.7U CN212542541U (en) | 2020-07-14 | 2020-07-14 | Liquid cooling plate, battery box and power battery |
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| CN212542541U true CN212542541U (en) | 2021-02-12 |
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| CN202021386593.7U Active CN212542541U (en) | 2020-07-14 | 2020-07-14 | Liquid cooling plate, battery box and power battery |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113178639A (en) * | 2021-04-27 | 2021-07-27 | 北京理工大学重庆创新中心 | Fractal network runner cooling plate |
| CN114824568A (en) * | 2022-05-17 | 2022-07-29 | 江苏大学 | Bionic runner structure liquid cooling plate for lithium ion battery pack |
| WO2024136313A1 (en) * | 2022-12-21 | 2024-06-27 | 주식회사 포스코 | Battery case |
-
2020
- 2020-07-14 CN CN202021386593.7U patent/CN212542541U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113178639A (en) * | 2021-04-27 | 2021-07-27 | 北京理工大学重庆创新中心 | Fractal network runner cooling plate |
| CN114824568A (en) * | 2022-05-17 | 2022-07-29 | 江苏大学 | Bionic runner structure liquid cooling plate for lithium ion battery pack |
| WO2024136313A1 (en) * | 2022-12-21 | 2024-06-27 | 주식회사 포스코 | Battery case |
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