CN213483828U - Liquid cooling plate, battery liquid cooling system and vehicle with battery liquid cooling system - Google Patents
Liquid cooling plate, battery liquid cooling system and vehicle with battery liquid cooling system Download PDFInfo
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- CN213483828U CN213483828U CN202021615149.8U CN202021615149U CN213483828U CN 213483828 U CN213483828 U CN 213483828U CN 202021615149 U CN202021615149 U CN 202021615149U CN 213483828 U CN213483828 U CN 213483828U
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- 238000001816 cooling Methods 0.000 title claims abstract description 121
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- 230000001070 adhesive effect Effects 0.000 claims description 4
- 238000003475 lamination Methods 0.000 claims description 3
- 238000004080 punching Methods 0.000 claims 1
- 230000008901 benefit Effects 0.000 abstract description 6
- 239000010410 layer Substances 0.000 description 4
- 238000005452 bending Methods 0.000 description 3
- 239000000110 cooling liquid Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
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- 239000004677 Nylon Substances 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
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- 239000002131 composite material Substances 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
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- 238000012986 modification Methods 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 is suitable for a battery cooling technology field discloses a liquid cooling board, battery liquid cooling system and have vehicle of this battery liquid cooling system. The liquid cooling plate comprises a liquid cooling plate body which can be arranged between the upper battery module and the lower battery module, the liquid cooling plate body is provided with a liquid inlet, a liquid outlet and a circulating channel, and two ends of the circulating channel are respectively communicated with the liquid inlet and the liquid outlet; the liquid cooling plate body is integrally formed with an upper limiting connecting part clamped on two sides of the upper battery module and a lower limiting connecting part clamped on two sides of the lower battery module. The battery liquid cooling system comprises the battery liquid cooling plate, and the vehicle is provided with the battery liquid cooling system. The utility model provides a liquid cooling board, battery liquid cooling system and have vehicle of this battery liquid cooling system, it does benefit to the normal use of guaranteeing the battery module.
Description
Technical Field
The utility model belongs to the technical field of the battery cooling, especially, relate to a liquid cooling board, battery liquid cooling system and have vehicle of this battery liquid cooling system.
Background
At present, batteries in electric vehicles generally have a liquid cooling system, and in the current double-layer battery module, a liquid cooling plate is arranged between an upper battery module and a lower battery module and is only fixed with the battery modules on the upper surface and the lower surface in the longitudinal direction, so that the reliability is poor.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of above-mentioned technical problem at least, provide a liquid cooling board, battery liquid cooling system and have vehicle of this battery liquid cooling system, its cooling effect is good, and electric core temperature uniformity is good in the battery module.
The technical scheme of the utility model is that: a liquid cooling plate comprises a liquid cooling plate body which can be arranged between an upper battery module and a lower battery module, wherein the liquid cooling plate body is provided with a liquid inlet, a liquid outlet and a circulating channel, and two ends of the circulating channel are respectively communicated with the liquid inlet and the liquid outlet; the liquid cooling plate body is integrally formed with an upper limiting connecting part clamped on two sides of the upper battery module and a lower limiting connecting part clamped on two sides of the lower battery module.
Optionally, the liquid cooling plate body comprises an upper cover and a lower cover, and the upper cover and the lower cover are arranged in a matching manner; the utility model discloses a safety device, including upper cover, lower cover, upper cover, lower connecting portion, lower limiting plate, upper limiting connecting portion, lower limiting connecting portion, upper limiting plate and lower limiting plate, the both sides integrated into one piece of upper cover is provided with upper limiting plate, the both sides integrated into one piece of lower cover has lower limiting plate, upper limiting connecting portion integrated into one piece in the both ends of upper limiting plate, lower limiting connecting portion integrated into one piece in the both.
Optionally, the upper end surface of the upper cover is an upper gluing surface, the upper end surface of the upper limiting plate is an upper limiting surface, and the upper limiting surface is higher than the upper gluing surface; the lower end face of the lower cover is a lower gluing face, the lower end face of the lower limiting plate is a lower limiting face, and the lower limiting face is lower than the lower gluing face.
Optionally, the upper limiting surface is at least 0.3mm higher than the upper gluing surface; the lower limiting surface is at least 0.3mm lower than the lower gluing surface.
Optionally, a support structure is disposed between the upper limiting plate and the lower limiting plate.
Optionally, the bearing structure includes integrative stamping forming in go up the division board and with the first bellying or/and integrative stamping forming of division board contact down in the division board and with the second bellying of last division board contact down.
Optionally, bearing structure include integrative stamping forming in go up the limiting plate and with the first bellying and integrative stamping forming that the limiting plate contacted down in the limiting plate down and with the second bellying that the limiting plate contacted, first bellying and second bellying dislocation set just are protruding muscle form.
Optionally, the circulation channel is U-shaped; and runner fins are arranged in the circulating channel of the liquid cooling plate body.
Optionally, the flow channel fin has at least two fins disposed at intervals and along the circulation channel.
Optionally, the runner fin is punched and molded and welded to the upper cover or the lower cover, and the upper end and the lower end of the runner fin are respectively connected with the upper cover and the lower cover.
Optionally, the upper cover or/and the lower cover is punched and formed with a flow guide wall, the flow guide wall is located between the liquid inlet and the inlet end of the runner fin, and/or the flow guide wall is located between the liquid outlet and the outlet end of the runner fin.
The utility model also provides a battery liquid cooling system, including last battery module and lower battery module, still include foretell liquid cooling board, the liquid cooling board body set up in go up the battery module with down between the battery module.
Optionally, the upper battery module includes a plurality of stacked battery cells and two upper end plates, and the upper end plates are respectively disposed on two sides of the upper battery module along a battery cell stacking direction; the upper limiting connecting part is fixedly connected to the upper end plate through a fixing part; the lower battery module comprises a plurality of battery cores and two lower end plates, wherein the battery cores are arranged in a laminated mode, and the lower end plates are respectively arranged on two sides of the lower battery module along the direction of lamination of the battery cores; the lower limiting connecting part is fixedly connected with the lower end plate through a fixing part.
Optionally, a thickness gap for accommodating a heat-conducting adhesive is formed between the liquid cooling plate body and the upper battery module, and a thickness gap for accommodating a heat-conducting adhesive is formed between the liquid cooling plate body and the lower battery module; and heat-conducting glue is arranged in the thickness gaps.
The utility model also provides a vehicle, the vehicle has foretell battery liquid cooling system.
The utility model provides a liquid cooling board, battery liquid cooling system and have vehicle of this battery liquid cooling system, its liquid cooling board can cool off battery module and lower battery module simultaneously, in addition through the card in go up the last spacing connecting portion of battery module both sides and block in the lower spacing connecting portion of battery module both sides down, except vertically fixing a position, can also realize realizing spacing in horizontal direction (electric core array orientation), battery module temperature uniformity is good, does benefit to the normal use of guaranteeing the battery module.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described 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 that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic perspective view of a liquid cooling plate according to an embodiment of the present invention;
fig. 2 is a schematic perspective view illustrating a liquid cooling plate disposed on an upper battery module and a lower battery module according to an embodiment of the present invention;
fig. 3 is another schematic perspective view illustrating a liquid cooling plate disposed on an upper battery module and a lower battery module according to an embodiment of the present invention;
fig. 4 is an exploded perspective view of a liquid cooling plate according to an embodiment of the present invention;
fig. 5 is a schematic perspective view of a liquid cooling plate according to an embodiment of the present invention;
fig. 6 is a perspective non-perspective schematic view of a liquid cooling plate according to an embodiment of the present invention;
fig. 7 is a partial perspective view of a liquid cooling plate according to an embodiment of the present invention;
fig. 8 is a schematic partial plan view of a liquid cooling plate according to an embodiment of the present invention;
fig. 9 is a schematic perspective exploded view of an upper battery module in a battery liquid cooling system according to an embodiment of the present invention;
fig. 10 is a schematic perspective view of a battery liquid cooling system according to an embodiment of the present invention;
fig. 11 is a schematic perspective view of a pipe connection in a battery liquid cooling system according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
It should be noted that the terms "disposed" and "connected" should be interpreted broadly, and may be, for example, directly disposed or connected, or indirectly disposed or connected through intervening elements or intervening structures.
In addition, in the embodiments of the present invention, if there are terms of orientation or positional relationship indicated by "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., it is based on the orientation or positional relationship shown in the drawings or the conventional placement state or use state, and it is only for convenience of description and simplification of description, but does not indicate or imply that the structures, features, devices or elements referred to must have a specific orientation or positional relationship, nor must be constructed and operated in a specific orientation, and therefore, should not be construed as limiting the present invention. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
The various features and embodiments described in the detailed description may be combined in any suitable manner, for example, different embodiments may be formed by combining different features/embodiments, and various combinations of features/embodiments are not separately described in order to avoid unnecessary repetition in the present disclosure.
As shown in fig. 1 to 4, a liquid cooling plate provided in an embodiment of the present invention includes a liquid cooling plate body 20 that can be disposed between an upper battery module 921 and a lower battery module 922, where the liquid cooling plate body 20 has a liquid inlet 201, a liquid outlet 202, and a circulation channel, and two ends of the circulation channel are respectively communicated with the liquid inlet 201 and the liquid outlet 201; the liquid cooling plate body 20 is integrally formed with an upper limit connection part 211 clamped at both sides of the upper battery module 921 and a lower limit connection part 221 clamped at both sides of the lower battery module 922, the liquid cooling plate body 20 can be clamped between the upper battery module 921 and the lower battery module, the upper limit connecting part 211 can be clamped at two outer sides of the upper battery module 921, the lower limit connecting part 221 can be clamped at two outer sides of the lower battery module 922, the liquid cooling plate (the liquid cooling plate body 20) can cool the upper battery module 921 and the lower battery module 922 simultaneously, and through the card in go up the spacing connecting portion 211 of the last battery module 921 both sides and the card is in the lower spacing connecting portion 221 of battery module 922 both sides down, except vertically fixing a position, can also realize realizing spacing in horizontal direction (electric core direction of arranging), prevents the relative displacement between the electric core in the battery module, and structural reliability is better.
Specifically, the liquid cooling plate body 20 includes an upper cover 21 and a lower cover 22, and the upper cover 21 and the lower cover 22 are disposed in an involution manner. The upper cover 21 is integrally formed with upper limiting plates 212 at two sides thereof, the lower cover 22 is integrally formed with lower limiting plates 222 at two sides thereof, the upper limiting connection parts 211 are integrally formed at two ends of the upper limiting plates 212, and the lower limiting connection parts 221 are integrally formed at two ends of the lower limiting plates 222. The upper limiting connection portion 211 may be perpendicular to the upper limiting plate 212, and in a specific application, the upper limiting connection portion 211 may be formed by bending or the like. The lower limiting connection portion 221 may be perpendicular to the lower limiting plate 222, and in a specific application, the lower limiting connection portion 221 may be formed by bending or the like. The upper limiting plate 212 may be used to interface with the bottom of the upper battery module 921 and the lower limiting plate 222 may be used to interface with the top of the lower battery module 922.
Specifically, the upper end surface of the upper cover 21 is an upper gluing surface 203, the upper end surface of the upper limiting plate 212 is an upper limiting surface 204, and the upper limiting surface 204 is higher than the upper gluing surface 203, so as to form a space for accommodating the heat-conducting glue, and prevent the heat-conducting glue from being pressed to completely overflow or the heat-conducting glue from being uneven in thickness.
Specifically, the lower end surface of the lower cover 22 is a lower gluing surface, the lower end surface of the lower limiting plate 222 is a lower limiting surface, and the lower limiting surface is lower than the lower gluing surface, so as to form a space for accommodating the heat-conducting glue, and prevent the heat-conducting glue from being pressed to overflow completely or the heat-conducting glue from being uneven in thickness.
Specifically, the upper limiting surface 204 may be at least 0.3mm higher than the upper gluing surface 203; the lower limiting surface can be lower than the lower gluing surface by at least 0.3mm, so that the heat conducting glue above and below the liquid cooling plate body 20 can keep the uniform thickness of at least 0.3mm, and the heat conducting effect is good.
Specifically, as shown in fig. 5 to 8, a support structure is disposed between the upper limiting plate 212 and the lower limiting plate 222 to prevent the upper limiting plate 212 and the lower limiting plate 222 from deforming to affect the reliability.
Specifically, the supporting structure comprises an upper limiting plate 212 and a first protruding portion 213 or/and a second protruding portion 223, wherein the first protruding portion 213 or/and the second protruding portion 223 are in contact with the lower limiting plate 222 in an integrated stamping mode, the first protruding portion is in contact with the lower limiting plate 222 in an integrated stamping mode, and the structure is simple and reliable.
In this embodiment, bearing structure include integrative stamping forming in go up the limiting plate 212 and with first bellying 213 and integrative stamping forming that limiting plate 222 contacted down in limiting plate 222 down and with the second bellying 223 that limiting plate 212 contacted, first bellying 213 and second bellying 223 dislocation set just are protruding muscle form, go up and can bear bigger pressure between limiting plate 212 and the lower limiting plate 222, go up limiting plate 212 and lower limiting plate 222 and can support well between last battery module 921 and lower battery module 922.
Specifically, the circulation channel may be in a U shape or the like, and the cooling effect thereof is excellent.
Specifically, the circulation channel of the liquid cooling plate body 20 may be provided therein with a flow channel fin 210. The flow channel fin 210 can divide the circulation channel into a plurality of sub-channels, which is beneficial to improving the heat exchange efficiency. The flow channel fins 210 can be supported on the upper and lower inner walls of the circulation channel, and the structural strength of the liquid cooling plate can be effectively improved. The flow channel fin 210 has at least two fins disposed at intervals and along the circulation passage. In a specific application, the flow channel fin 210 may be formed by stamping or bending a metal plate, and in this embodiment, the fin may be U-shaped, so as to divide the circulation channel into a plurality of U-shaped sub-flow channels. Alternatively, the liquid-cooled plate body 20 may be punched from the upper end or the lower end thereof to the other end thereof to form the branch passages inside the liquid-cooled plate body 20.
In the specific application, the flow channel fin 210 is formed by stamping and welded to the upper cover 21 or the lower cover 22, and the upper end and the lower end of the flow channel fin 210 are respectively connected with the upper cover 21 and the lower cover 22, so that the structural strength is improved.
Specifically, upper cover 21 or/and lower cover 22 stamping forming has water conservancy diversion wall 23, water conservancy diversion wall 23 is located the inlet with between the entry end of runner fin 210, and/or, water conservancy diversion wall 23 is located the liquid outlet with between the exit end of runner fin 210. The flow guide wall 23 can be provided with one or more flow guide walls which can be arc-shaped, so that the cooling liquid can be favorably divided into the sub-channels (the flow channel fins 210), the uniform flowing of the cooling liquid through the sub-channels can be favorably ensured, the fluid in the liquid cooling plate can be more uniformly distributed, the consistency of the cooling temperature of the liquid cooling plate is better, and the mechanical strength of the liquid cooling plate is enhanced.
The utility model also provides a battery liquid cooling system, as shown in fig. 1 to 8, comprising an upper battery module 921 and a lower battery module 922, and the liquid cooling plate, the liquid cooling plate body 20 of the liquid cooling plate is disposed between the upper battery module 921 and the lower battery module 922, the upper limit connecting part 211 can be fastened to both outer sides of the upper battery module 921, the lower limit connecting part 221 can be fastened to both outer sides of the lower battery module 922, the liquid cooling plate can cool the upper battery module 921 and the lower battery module 922 simultaneously, and through the card in go up the spacing connecting portion 211 of the last battery module 921 both sides and the card is in the lower spacing connecting portion 221 of battery module 922 both sides down, except vertically fixing a position, can also realize realizing spacing in horizontal direction (electric core direction of arranging), prevents the relative displacement between the electric core in the battery module, and structural reliability is better.
Specifically, as shown in fig. 1 to 9, the upper battery module 921 includes a plurality of stacked cells and two upper end plates 141, where the upper end plates 141 are respectively disposed on two sides of the upper battery module 921 along a cell stacking direction; the upper limit connecting part 211 is fixedly connected to the upper end plate through a fixing part; the lower battery module 922 comprises a plurality of battery cells arranged in a laminated manner and two lower end plates, and the lower end plates are respectively arranged on two sides of the lower battery module 922 along the lamination direction of the battery cells; the lower limit connecting portion 221 is fixedly connected to the lower end plate through a fixing member. The fasteners may be rivets or the like.
The upper end plate 141 can be a metal plate or the like, an insulating plate 142 can be arranged between the upper end plate 141 and the battery core, the upper end plate 141 can be located on the left side and the right side of the upper battery module 921, the front side and the rear side of the upper battery module 921 can be provided with the protective covers 143, the protective covers 143 can cover the poles, the poles can be connected with the connecting pieces 145, the connecting pieces 145 can be connected with the FPC (flexible circuit board) 146, the bottom of the upper battery module 921 can be connected with the bottom plate (composite material plate) 144, and glue can be arranged on the inner. The upper battery module 921 may also be connected with a power bracket 147. The lower end plate and the lower battery module 922 have the same or similar structure as the upper end plate and the upper battery module 921.
Specifically, a thickness gap for accommodating heat-conducting glue is formed between the liquid cooling plate body 20 and the upper battery module 921, and a thickness gap for accommodating heat-conducting glue is formed between the liquid cooling plate body 20 and the lower battery module 922; all be provided with heat-conducting glue in the thickness clearance, can guarantee that heat-conducting glue can set up evenly, steadily between beating to glue face and spacing face, the heat conduction is effectual, and the heat conduction uniformity is better.
The utility model also provides a vehicle, the vehicle has foretell battery liquid cooling system, and the whole package temperature uniformity of battery is good, does benefit to the normal use of guaranteeing the battery module. The vehicle can be a hybrid vehicle or a pure electric vehicle and the like which is provided with a power battery system, and the power battery can adopt the arrangement that the front row is a single-layer battery module and the rear row is a double-layer battery module. The battery module of back row adopts the double-deck setting, is provided with the liquid cooling board between the upper and lower two-layer battery module (go up battery module 921 and lower battery module 922). The first liquid cooling plate 10 is disposed on the top of the front row of battery modules 91.
As shown in fig. 10 and fig. 11, the battery liquid cooling system has an inlet connector 31 and an outlet connector 32, the inlet connector 31 is connected to the inlet of the first liquid-cooling plate 10 through a first inlet pipe 33, and the outlet connector 32 is connected to the outlet of the first liquid-cooling plate 10 through a first outlet pipe 34. The liquid cooling plate can be provided with at least two, including first back flowing back cold plate and second back flowing back cold plate. The liquid inlet of the first rear liquid discharge cold plate is connected to the first liquid inlet pipe 33 or the liquid inlet joint 31 through a second liquid inlet pipe 35, and the liquid outlet of the second rear liquid discharge cold plate is connected to the first liquid outlet pipe 34 or the liquid outlet joint 32 through a second liquid outlet pipe 36; the liquid outlet of the first back flowing back cold plate connect in through first connecting branch pipe 38 second drain pipe 36, the inlet of the second back flowing back cold plate connect in through second connecting branch pipe 37 first feed liquor pipe 33, its connected mode is reasonable, and occupation space is little, and the pipeline total length is shorter relatively, does benefit to and reduces cooling liquid pressure loss and reduction application cost.
In specific application, the first liquid inlet pipe 33, the first liquid outlet pipe 34, the second liquid inlet pipe 35, the first liquid outlet pipe 34, the first connecting branch pipe 38 and the second connecting branch pipe 37 may be PA pipes (nylon pipes), and reliability is good. In this embodiment, the liquid inlet joint 31 and the liquid outlet joint 32 may be a three-way pipe or a three-way electromagnetic valve. Available PA union coupling between each liquid cooling board can guarantee that every liquid cooling board inserts the coolant liquid that the temperature is unanimous, and each other does not influence to can utilize the PA pipe reposition of redundant personnel, guarantee that every cooling circuit flow is reasonable, thereby guarantee the uniformity of the whole package temperature of battery module.
In this embodiment, be provided with foretell liquid cold plate 20 between double-deck battery module, liquid cold plate 20 is integrated between upper and lower layer electricity core, utilizes heat conduction structure to glue liquid cold plate 20 and electricity core bonding, recycles the rivet riveting on the end plate 141 of battery module, has strengthened battery module overall structure, makes the battery module satisfy mechanical vibration intensity requirement, and liquid cold plate 20 can pass through rivet connection in the end plate of battery module, and structural reliability is higher. And be provided with the heat conduction glue between liquid cooling plate 20 and the battery module, cancelled original thermal-insulated board subassembly, avoided relative movement between liquid cooling plate 20 and the electric core to utilize the mechanical strength of liquid cooling plate reinforcing module, the reliability is good.
The embodiment of the utility model provides a vehicle of liquid cooling board, battery liquid cooling system and this battery liquid cooling system has, the liquid cooling board can cool off battery module 921 and lower battery module 922 simultaneously, moreover through the card in go up spacing connecting portion 211 and the card of battery module 921 both sides in the lower spacing connecting portion 221 of lower battery module 922 both sides, except vertically fixing a position, can also realize realizing spacing in horizontal direction (electric core array orientation), battery module temperature uniformity is good, does benefit to the normal use of guaranteeing battery module.
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 modification, equivalent replacement or improvement made within the spirit and principle of the present invention should be included in the present invention.
Claims (15)
1. A liquid cooling plate is characterized by comprising a liquid cooling plate body which can be arranged between an upper battery module and a lower battery module, wherein the liquid cooling plate body is provided with a liquid inlet, a liquid outlet and a circulating channel, and two ends of the circulating channel are respectively communicated with the liquid inlet and the liquid outlet; the liquid cooling plate body is integrally formed with an upper limiting connecting part clamped on two sides of the upper battery module and a lower limiting connecting part clamped on two sides of the lower battery module.
2. The liquid cooling plate as claimed in claim 1, wherein the liquid cooling plate body comprises an upper cover and a lower cover, the upper cover and the lower cover are arranged in an involution manner; the utility model discloses a safety device, including upper cover, lower cover, upper cover, lower connecting portion, lower limiting plate, upper limiting connecting portion, lower limiting connecting portion, upper limiting plate and lower limiting plate, the both sides integrated into one piece of upper cover is provided with upper limiting plate, the both sides integrated into one piece of lower cover has lower limiting plate, upper limiting connecting portion integrated into one piece in the both ends of upper limiting plate, lower limiting connecting portion integrated into one piece in the both.
3. The liquid cooling plate as claimed in claim 2, wherein the upper end surface of the upper cover is an upper gluing surface, the upper end surface of the upper limiting plate is an upper limiting surface, and the upper limiting surface is higher than the upper gluing surface; the lower end face of the lower cover is a lower gluing face, the lower end face of the lower limiting plate is a lower limiting face, and the lower limiting face is lower than the lower gluing face.
4. A liquid cooling plate as claimed in claim 3, wherein the upper limiting surface is at least 0.3mm higher than the upper gluing surface; the lower limiting surface is at least 0.3mm lower than the lower gluing surface.
5. The liquid cooling panel as recited in claim 2, wherein a support structure is disposed between the upper restrictor plate and the lower restrictor plate.
6. The liquid cooling plate of claim 5, wherein the support structure includes a first protrusion integrally stamped and formed on the upper restrictor plate and in contact with the lower restrictor plate or/and a second protrusion integrally stamped and formed on the lower restrictor plate and in contact with the upper restrictor plate.
7. The liquid cooling plate of claim 6, wherein the support structure comprises a first protruding portion and a second protruding portion, the first protruding portion and the second protruding portion are integrally formed in the upper limiting plate in a stamping mode and are in contact with the lower limiting plate, the second protruding portion and the second protruding portion are integrally formed in the lower limiting plate in a stamping mode and are in contact with the upper limiting plate, and the first protruding portion and the second protruding portion are arranged in a staggered mode and are in a rib shape.
8. The liquid cooling plate of claim 2, wherein the circulation channel is U-shaped; and runner fins are arranged in the circulating channel of the liquid cooling plate body.
9. The liquid cooling plate as recited in claim 8, wherein the flow channel fin has at least two fins spaced apart and disposed along the circulation channel.
10. The liquid cooling plate of claim 8, wherein the flow channel fin is formed by punching and welded to the upper cover or the lower cover, and the upper end and the lower end of the flow channel fin are respectively connected with the upper cover and the lower cover.
11. The liquid cooling plate of claim 8, wherein a flow guide wall is stamped and formed on the upper cover or/and the lower cover, and the flow guide wall is located between the liquid inlet and the inlet end of the flow channel fin, and/or the flow guide wall is located between the liquid outlet and the outlet end of the flow channel fin.
12. A battery liquid cooling system comprising an upper battery module and a lower battery module, further comprising a liquid cooling plate according to any one of claims 1 to 11, wherein the liquid cooling plate is disposed between the upper battery module and the lower battery module.
13. The battery liquid cooling system of claim 12, wherein the upper battery module comprises a plurality of stacked cells and two upper end plates, and the upper end plates are respectively disposed on two sides of the upper battery module along a cell stacking direction; the upper limiting connecting part is fixedly connected to the upper end plate through a fixing part; the lower battery module comprises a plurality of battery cores and two lower end plates, wherein the battery cores are arranged in a laminated mode, and the lower end plates are respectively arranged on two sides of the lower battery module along the direction of lamination of the battery cores; the lower limiting connecting part is fixedly connected with the lower end plate through a fixing part.
14. The battery liquid cooling system of claim 12, wherein a thickness gap for accommodating a heat conducting adhesive is formed between the liquid cooling plate body and the upper battery module, and a thickness gap for accommodating a heat conducting adhesive is formed between the liquid cooling plate body and the lower battery module; and heat-conducting glue is arranged in the thickness gaps.
15. A vehicle having a battery liquid cooling system as claimed in any one of claims 12 to 14.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021615149.8U CN213483828U (en) | 2020-08-05 | 2020-08-05 | Liquid cooling plate, battery liquid cooling system and vehicle with battery liquid cooling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021615149.8U CN213483828U (en) | 2020-08-05 | 2020-08-05 | Liquid cooling plate, battery liquid cooling system and vehicle with battery liquid cooling system |
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| Publication Number | Publication Date |
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| CN213483828U true CN213483828U (en) | 2021-06-18 |
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| CN202021615149.8U Active CN213483828U (en) | 2020-08-05 | 2020-08-05 | Liquid cooling plate, battery liquid cooling system and vehicle with battery liquid cooling system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113611949A (en) * | 2021-08-04 | 2021-11-05 | 浙江银轮新能源热管理系统有限公司 | Heat exchange structure and system thereof |
| CN113782883A (en) * | 2021-08-11 | 2021-12-10 | 东风汽车集团股份有限公司 | Battery module strutting arrangement and vehicle |
| CN113871753A (en) * | 2021-09-24 | 2021-12-31 | 远景动力技术(江苏)有限公司 | Battery pack |
| CN115832516A (en) * | 2022-12-12 | 2023-03-21 | 江西远东电池有限公司 | Liquid-cooled double-layer cylindrical battery large module and assembly process thereof |
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2020
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| CN113782883A (en) * | 2021-08-11 | 2021-12-10 | 东风汽车集团股份有限公司 | Battery module strutting arrangement and vehicle |
| CN113782883B (en) * | 2021-08-11 | 2023-06-20 | 东风汽车集团股份有限公司 | Battery module strutting arrangement and vehicle |
| CN113871753A (en) * | 2021-09-24 | 2021-12-31 | 远景动力技术(江苏)有限公司 | Battery pack |
| CN115832516A (en) * | 2022-12-12 | 2023-03-21 | 江西远东电池有限公司 | Liquid-cooled double-layer cylindrical battery large module and assembly process thereof |
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