CN217719770U - Liquid cooling plate group, battery module and electric vehicle - Google Patents
Liquid cooling plate group, battery module and electric vehicle Download PDFInfo
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- CN217719770U CN217719770U CN202220998574.2U CN202220998574U CN217719770U CN 217719770 U CN217719770 U CN 217719770U CN 202220998574 U CN202220998574 U CN 202220998574U CN 217719770 U CN217719770 U CN 217719770U
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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 relates to a power battery technical field especially relates to a liquid cooling plate group, battery module and electric vehicle. The liquid cooling plate group is used for cooling the single battery, the single battery comprises a first side wall and a second side wall which are adjacent to each other, and the liquid cooling plate group comprises a main body part, a bending part and a communicating pipe. The main part is relative with first side wall, and the portion of bending is relative with the end connection of main part, and the portion of bending is relative with the second side wall, and the portion of bending is equipped with the intercommunication mouth, and communicating pipe and intercommunication mouth intercommunication to supply water or discharge rivers from the second cooling channel in to the second cooling channel. The liquid cooling plate set provided by the utility model can utilize the bending structure to improve the assembly stability of the liquid cooling component by arranging the bending part; still do benefit to and set up the partial structure of liquid cooling plate group in the position department that has great installation space, and then be convenient for will bend portion and battery monomer fixed connection to the installation of liquid cooling plate group is convenient for.
Description
Technical Field
The utility model relates to a power battery technical field especially relates to a liquid cooling plate group, battery module and electric vehicle.
Background
In recent years, the power battery industry in China is rapidly developed. The electric vehicle is supported to develop power, including the endurance mileage, the safety performance and the market price of the power battery. The heat dissipation structure of the power battery is directly related to the safety performance of the power battery and the service life of the battery.
SUMMERY OF THE UTILITY MODEL
The utility model provides a liquid cooling plate group, battery module and electric vehicle for solve among the prior art battery module cooling performance poor, lead to battery module life short, the not high defect of security, reach the cooling performance that promotes the battery module, heat exchange efficiency's purpose.
The utility model provides a liquid cooling plate group, liquid cooling plate group is used for cooling battery monomer, battery monomer includes adjacent first lateral wall and second lateral wall, liquid cooling plate group includes:
a main body portion having a first cooling channel therein, the main body portion being opposite to the first sidewall;
the bending part is connected with the end part of the main body part and provided with a second cooling channel, the second cooling channel is communicated with the first cooling channel, the bending part is opposite to the second side wall, and the bending part is provided with a communicating port which is communicated with the second cooling channel;
and the communicating pipe is communicated with the communicating port so as to supply water into the second cooling channel or discharge water flow from the second cooling channel.
According to the liquid cooling plate set provided by the utility model, the number of the bending parts is two, namely a first bending part and a second bending part, the first bending part is positioned at one end of the main body part in the length direction, and the second bending part is positioned at the other end of the main body part in the length direction;
the two communicating pipes are respectively a first communicating pipe and a second communicating pipe, the first communicating pipe is communicated with the communicating port in the first bending portion, and the second communicating pipe is communicated with the communicating port in the second bending portion.
According to the utility model provides a liquid cooling plate group, the portion of bending includes first plate body and second plate body, first plate body with the second plate body all is located same one side of main part, first plate body with the range upon range of setting of second plate body, just first plate body with second plate body sealing connection is in order to inject second cooling channel.
According to the liquid cooling plate set provided by the utility model, the bending part comprises a first plate body, a second plate body and a third plate body, the first plate body is positioned at one side of the main body part, the second plate body is positioned at the other side of the main body part, and the communication port is positioned on the third plate body;
the third plate body and the first plate body are laminated and hermetically connected, a first sub-channel is limited by the third plate body and the first plate body,
the other part of the third plate body is laminated and hermetically connected with the second plate body, a second sub-channel is defined by the third plate body and the second plate body,
the first and second sub-passages are in communication and configure the second cooling passage.
According to the utility model provides a liquid cooling plate group, be equipped with the mounting hole in the portion of bending.
According to the utility model provides a liquid cooling plate group, communicating pipe includes bayonet joint, collecting pipe and at least one tributary pipe, the bayonet joint with a fixed connection bends, just the bayonet joint passes through the intercommunication mouth with second cooling channel intercommunication, the one end of tributary pipe with the bayonet joint is connected and is linked together, the other end of tributary pipe with collecting pipe connection and intercommunication.
According to the utility model provides a liquid cooling plate group, the main part is including bottom plate and the apron of range upon range of setting, the bottom plate with first cooling channel is injectd to the apron, the bottom plate with apron welded connection.
The utility model also provides a battery module, include:
a housing;
the battery comprises a plurality of battery monomers, a plurality of battery monomers and a plurality of connecting pieces, wherein the battery monomers are arranged in a shell side by side at intervals, each battery monomer comprises a first side wall and a second side wall which are adjacent, a first installation space is defined between the first side walls of any two adjacent battery monomers, the battery monomer which is closest to the shell exists in the battery monomers, and a second installation space is defined between the first side wall of the battery monomer and the inner wall of the shell opposite to the inner wall of the shell;
the liquid cooling plate assembly is as above, at least one of the first installation space and the second installation space is provided with the liquid cooling plate assembly, the liquid cooling plate assembly is used for dissipating heat of the battery monomer, the main body part of the liquid cooling plate assembly is opposite to the first side wall, and the bending part of the liquid cooling plate assembly is opposite to the corresponding second side wall of the battery monomer.
According to the utility model provides a battery module, first installation space with be equipped with the bolster in at least one in the second installation space.
According to the utility model provides a battery module still includes a plurality of end plates, the end plate is fixed the free tip of battery, the portion of bending of liquid cooling board group with end plate fixed connection.
The utility model also provides an electric vehicle, include as above the battery module.
According to the utility model provides an electric vehicle still includes water-chilling unit, battery management system and heating module, the water-chilling unit with first cooling channel, second cooling channel in the liquid cooling board group form circulation circuit, battery management system with heating module the water-chilling unit communication is connected, it is right that heating module is suitable for medium heating in the water-chilling unit.
The utility model provides a liquid cooling board group because still be equipped with second cooling channel in the portion of bending, the portion of bending also has refrigerated effect to battery monomer. In addition, the bending part is arranged, so that on one hand, the main body part can be fixed at the position of the single battery by utilizing the bending structure, and the assembly stability of the liquid cooling assembly can be improved; on the other hand, the design of the bending part is also beneficial to arranging part of the structure of the liquid cooling plate group at the position with a larger installation space, so that the bending part is conveniently and fixedly connected with the battery monomer, and the liquid cooling plate group is convenient to install.
Drawings
In order to more clearly illustrate the technical solutions of the present invention or the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a battery module provided by the present invention;
fig. 2 is a schematic view of a partial structure of a battery module according to the present invention;
fig. 3 is an exploded view of a part of the structure of the battery module provided by the present invention;
fig. 4 is an exploded view of a part of the structure of the battery module provided by the present invention;
FIG. 5 is an enlarged partial schematic view at A of FIG. 4;
fig. 6 is an exploded view of a liquid cooling plate assembly provided by the present invention;
FIG. 7 is a schematic illustration of a powered vehicle cooling system provided by the present disclosure;
reference numerals:
100. a battery module;
110. a housing; 111. a first installation space; 112. a second installation space;
120. a battery cell; 121. a first side wall; 122. a second side wall;
130. an end plate;
200. a liquid cooling plate group;
210. a main body portion; 211. a first cooling channel; 212. a base plate; 213. a cover plate;
220. a bending part; 220a, a first bending part; 220b, a second bending part; 221. a second cooling channel; 221a, a first sub-channel; 221b, a second sub-channel; 222. a communication port; 223. mounting holes;
230. a first plate body; 240. a second plate body;
250. a third plate body;
260. a communicating pipe; 260a, a first communication pipe; 260b, a second communication pipe; 261. a plug-in connector; 262. a collector pipe; 263. a bypass pipe;
310. a water cooling unit; 311. a water pump; 312. a water tank; 320. a battery management system; 330. The module is heated.
Detailed Description
To make the objects, technical solutions and advantages of the present invention clearer, the drawings in the present invention will be combined to clearly and completely describe the technical solutions of the present invention, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without making creative efforts belong to the protection scope of the present invention.
The liquid cooling plate set 200 of the present invention will be described with reference to fig. 1 to 6. It should be noted that the liquid cooling plate set 200 can dissipate heat from the battery module 100, and the battery module 100 can generate a large amount of heat during charging and discharging processes, so that when the temperature of the battery module 100 is too high, on one hand, the charging and discharging efficiency of the battery module 100 can be reduced, and on the other hand, the safety of the battery module 100 can be affected, and explosion and the like can be caused. In order to facilitate the temperature control of the battery module 100, a cooling component may be disposed inside the battery module 100, for example, the cooling component may be a liquid cooling plate set 200, the heat of the battery module 100 may be transferred to the liquid cooling plate set 200, a flowing fluid medium (such as water) is disposed inside the liquid cooling plate set 200, and the fluid medium takes away the heat of the liquid cooling plate set 200 during flowing circulation, so as to achieve the purpose of cooling the battery module 100.
As shown in fig. 3 and 5, the liquid cooling plate set 200 is used to cool the battery cells 120. The battery cell 120 includes adjacent first and second sidewalls 121 and 122.
The liquid cooling plate assembly 200 includes: body 210, bent portion 220, and communication tube 260. The main body 210 has a first cooling channel 211 therein, and the main body 210 is opposite to the first sidewall 121. Here, it should be noted that the main body portion 210 may be substantially parallel to the first sidewall 121, so that heat on the battery cell 120 may be rapidly transferred to the main body portion 210. Further, the first sidewall 121 may be a wall surface with a larger sidewall area on the battery cell 120, so that the heat dissipation area may be increased, and the heat dissipation efficiency may be improved. In addition, the surface area of the surface of the body portion 210 facing the first sidewall 121 may be substantially equal to the area of the first sidewall 121, thereby increasing the heat dissipation surface and enhancing the heat dissipation efficiency.
The bent portion 220 is connected to an end portion of the main body portion 210, the bent portion 220 has a second cooling channel 221, the second cooling channel 221 communicates with the first cooling channel 211, the bent portion 220 faces the second side wall 122, the bent portion 220 is provided with a communication port 222, and the communication port 222 communicates with the second cooling channel 221. In the layout of the battery module 100, the bent portion 220 may be disposed at a side having a large installation space. For example, a plurality of battery cells 120 are arranged side by side, the first side walls 121 of two adjacent battery cells 120 are arranged oppositely, the second side wall 122 of each battery cell 120 is located at an end, and the bending portion 220 is fixedly connected with the second side wall 122, so that the space at the end of the battery cell 120 can provide a larger installation space for the bending portion 220.
As shown in fig. 2 and 3, the communication pipe 260 communicates with the communication port 222 to supply water into the second cooling passage 221 or discharge water from the second cooling passage 221. For example, when the communication pipe 260 is used as a water inlet pipe, water in the communication pipe 260 may flow to the second cooling passage 221 through the communication port 222. The water in the second cooling channel 221 can flow to the first cooling channel 211, so that the heat can be taken away by the flowing of the liquid, and the purpose of heat dissipation is achieved; when the communication pipe 260 is used as a water outlet pipe, the water of the first cooling passage 211 and the second cooling passage 221 may directly or indirectly flow into the communication pipe 260 through the communication port 222, and the heat-absorbed liquid may be discharged.
According to the utility model discloses liquid cooling plate group 200, because still be equipped with second cooling channel 221 in the portion 220 of bending, the portion 220 of bending also has refrigerated effect to battery monomer 120. In addition, by providing the bending portion 220, on one hand, the main body portion 210 can be fixed at the position of the battery cell 120 by using a bending structure, so that the assembly stability of the liquid cooling assembly can be improved; on the other hand, the design of the bending portion 220 is also beneficial to arranging a part of the structure of the liquid cooling plate set 200 at a position with a larger installation space, so that the bending portion 220 and the battery cell 120 are conveniently and fixedly connected, and the installation of the liquid cooling plate set 200 is convenient.
Referring to fig. 4 and 6, according to some embodiments of the present invention, the number of the bending portions 220 may be two, and the first bending portion 220a and the second bending portion 220b are respectively, the first bending portion 220a is located at one end of the main body portion 210 in the length direction, and the second bending portion 220b is located at the other end of the main body portion 210 in the length direction. The communication pipe 260 may be two, and includes a first communication pipe 260a and a second communication pipe 260b, where the first communication pipe 260a communicates with the communication port 222 of the first bent portion 220a, and the second communication pipe 260b communicates with the communication port 222 of the second bent portion 220 b. Thereby facilitating water circulation within the liquid-cooled panel set 200.
In some examples, the first communication pipe 260a may be an inlet pipe, and the second communication pipe 260b may be an outlet pipe. Further, the position of the communication port 222 on the first bent portion 220a may be lower than the position of the communication port 222 on the second bent portion 220 b. In this way, the flow rate of the fluid medium flowing from the first bent portion 220a to the second bent portion 220b can be reduced, and the fluid medium can sufficiently exchange heat with the main body portion 210.
According to some embodiments of the present invention, referring to fig. 6, the bending portion 220 may include a first plate 230 and a second plate 240, the first plate 230 and the second plate 240 are both located on the same side of the main body 210, the first plate 230 and the second plate 240 are stacked, the first plate 230 and the second plate 240 are hermetically connected to define a second cooling channel 221, and the communication port 222 is located on the second plate 240. The second cooling channel 221 is thus defined by the stacked plate body structure, and the purpose of simplifying the structure can be achieved.
Further, the first plate body 230 and the second plate body 240 can be welded together by brazing, which simplifies the process steps and has good sealing performance. In order to improve the welding stability of the first plate body 230 and the second plate body 240, in some examples, a surface of the first plate body 230 surrounding the outer circumference of the second cooling channel 221 is a flat surface; likewise, the surface of the second plate body 240 surrounding the outer periphery of the second cooling channel 221 is a flat surface.
According to some embodiments of the present invention, referring to fig. 4 and 5, the bending portion 220 includes a first plate 230, a second plate 240 and a third plate 250, the first plate 230 is located on one side of the main body 210, the second plate 240 is located on the other side of the main body 210, and the communication port 222 is located on the third plate 250. Portions of the third plate body 250 are stacked and hermetically connected with the first plate body 230, and the third plate body 250 and the first plate body 230 define a first sub-channel 221a. Another portion of the third plate 250 is stacked and hermetically connected to the second plate 240, the third plate 250 and the second plate 240 define a second sub-channel 221b, and the first sub-channel 221a and the second sub-channel 221b are communicated to form a second cooling channel 221.
It should be noted that the liquid cooling plate set 200 may be interposed between two battery cells 120, so that the battery cell 120 located on one side of the main body portion 210 may exchange heat with the main body portion 210, and the battery cell 120 located on the other side of the main body portion 210 may also exchange heat with the main body portion 210. Therefore, the same main body portion 210 can exchange heat for the two battery cells 120, and therefore heat exchange efficiency can be improved.
For the bending portion 220 on the main body portion 210, a portion of the third plate 250 is stacked and hermetically connected to the first plate 230, and another portion of the third plate 250 is stacked and hermetically connected to the second plate 240, so that a portion of the bending portion 220 may be fixedly connected to the battery cell 120 located on one side of the main body portion 210, and another portion of the bending portion 220 may be fixedly connected to the battery cell 120 located on the other side of the main body portion 210, thereby improving the installation stability of the liquid cooling plate set 200. Further, in order to facilitate mounting of the bent portion 220 on the battery cell 120, the bent portion 220 is provided with a mounting hole 223. The mounting hole 223 may be a threaded hole, that is, the bent portion 220 may be fixed to the battery cell 120 by a screw.
Of course, the bent portion 220 and the battery cell 120 may also be connected together by welding or riveting. The number of the mounting holes 223 is not particularly limited as long as it can satisfy the assembling requirement of the bent portion 220.
According to some embodiments of the present invention, as shown in fig. 3 and 4, the communication pipe 260 may include a plug 261, a manifold 262, and at least one branch pipe 263. The plug 261 is fixedly connected to the bent portion 220, so that the communication pipe 260 is conveniently fixed to the communication port 222. The plug 261 is communicated with the second cooling channel 221 through the communication port 222, one end of the branch pipe 263 is connected and communicated with the plug 261, and the other end of the branch pipe 263 is connected and communicated with the collecting pipe 262. Here, the connection pipe 260 may be a plastic pipe or an aluminum pipe or a stainless steel pipe.
According to some embodiments of the present invention, the main body portion 210 includes a bottom plate 212 and a cover plate 213, which are stacked, the bottom plate 212 and the cover plate 213 defining the first cooling channel 211, and the bottom plate 212 and the cover plate 213 being welded. The welding may be brazing. On one hand, the welding process steps are simple, and on the other hand, the welded part has good sealing performance.
Referring to fig. 1 and 2, the present invention also provides a battery module 100, including: a housing 110, a set of liquid cooled plates 200, and a plurality of battery cells 120. Specifically, the plurality of battery cells 120 are arranged in the housing 110 side by side and at intervals, each battery cell 120 includes a first side wall 121 and a second side wall 122 which are adjacent to each other, a first installation space 111 is defined between the first side walls 121 of any two adjacent battery cells 120, a battery cell 120 which is closest to the housing 110 exists in the plurality of battery cells 120, and a second installation space 112 is defined between the first side wall 121 and the inner wall of the housing 110 on the battery cell 120 opposite to the inner wall of the housing 110.
The liquid cooling plate group 200 is the liquid cooling plate group 200 as described above, and at least one of the first installation space 111 and the second installation space 112 is provided with the liquid cooling plate group 200. The liquid cooling plate set 200 is used for dissipating heat of the battery cells 120, the main body portion 210 of the liquid cooling plate set 200 is opposite to the first side wall 121, and the bending portion 220 of the liquid cooling plate set 200 is opposite to the second side wall 122 of the corresponding battery cell 120. Here, it should be noted that the liquid cooling plate assembly 200 may be vertically disposed in the first installation space 111 or the second installation space 112, so that the heat dissipation efficiency of the liquid cooling plate assembly may be improved, and the service life of the battery cell 120 may be prolonged. In addition, the liquid cooling plate set 200 can also play a role in fixing. The number of the liquid cooling plate sets 200 is not particularly limited as long as the heat dissipation requirements of the battery module 100 can be satisfied.
According to the utility model discloses battery module 100, owing to still be equipped with second cooling channel 221 in the portion of bending 220, the portion of bending 220 also has refrigerated effect to battery monomer 120. In addition, by providing the bending portion 220, on one hand, the main body portion 210 can be fixed at the position of the battery cell 120 by using a bending structure, so that the assembly stability of the liquid cooling assembly can be improved; on the other hand, the design of the bending portion 220 is also beneficial to arranging a part of the structure of the liquid cooling plate set 200 at a position with a larger installation space, so that the bending portion 220 and the battery cell 120 are conveniently and fixedly connected, and the installation of the liquid cooling plate set 200 is convenient.
According to some embodiments of the present invention, the main body 210 of the liquid cooling plate set 200 and the battery cell 120 are hard and hard, and in order to avoid collision between the main body 210 and the battery cell 120, a buffer is disposed in at least one of the first installation space 111 and the second installation space 112. The buffer member may be an insulating member, such as a rubber pad or the like
Referring to fig. 4, according to some embodiments of the present invention, the battery module 100 further includes a plurality of end plates 130, the end plates 130 are fixed to the ends of the battery cells 120, and the bent portions 220 of the liquid cooling plate set 200 are fixedly connected to the end plates 130. The end plate 130 may be an aluminum plate, which may improve the weight of the battery cell 120.
According to the present invention, an electric vehicle includes the battery module 100 as described above. The electric vehicle may be an electric construction machine such as an electric loader or an electric excavator.
According to the utility model discloses electric vehicle, owing to still be equipped with second cooling channel 221 in the portion of bending 220, the portion of bending 220 also has the refrigerated effect to battery monomer 120. In addition, by providing the bending portion 220, on one hand, the main body portion 210 can be fixed at the position of the battery cell 120 by using a bending structure, so that the assembly stability of the liquid cooling assembly can be improved; on the other hand, the design of the bending portion 220 is also beneficial to arranging a part of the structure of the liquid cooling plate set 200 at a position with a larger installation space, so that the bending portion 220 and the battery cell 120 are conveniently and fixedly connected, and the installation of the liquid cooling plate set 200 is convenient.
According to some embodiments of the present invention, referring to fig. 7, the electric vehicle further includes a water chiller 310, a battery management system 320 and a heating module 330, the water chiller 310 and the first cooling channel 211 and the second cooling channel 221 in the liquid cooling plate set 200 form a circulation loop, for example, the fluid medium of the water chiller 310 may flow into the first cooling channel 211, the fluid medium in the first cooling channel 211 may flow into the second cooling channel 221, and the fluid medium in the second cooling channel 221 may return to the water chiller 310, so that the circulation loop may be constructed.
The water chiller 310 may also include a water pump 311 and a water tank 312, the water pump 311 may provide power for fluid flow, and the water tank 312 may store a fluid medium. In some examples, the water tank 312 may be an expansion tank.
The battery management system 320 is communicatively connected to the heating module 330 and the water chiller 310. The heating module 330 is adapted to heat the medium within the water chiller 310. This can satisfy the thermal management requirements of the battery module 100. This can satisfy the thermal management requirements of the battery module 100. For example, the heating module 330 may be a PTC. It should be noted that, when the battery module 100 is in a cold environment, the ambient temperature of the battery module 100 is low, and when the battery module 100 is started, the battery module 100 needs to be heated first, and at this time, the heating module 330 may be used for heating. It should be noted that the heating module 330 may be disposed outside the housing 110, and the liquid flowing to the liquid cooling plate group 200 is heated by the heating module 330, so that a component for separately heating the battery cells 120 may be omitted, and the size of the battery module 100 may be further reduced.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (12)
1. The utility model provides a liquid cooling plate group, its characterized in that, liquid cooling plate group is used for cooling battery monomer, battery monomer includes adjacent first lateral wall and second lateral wall, liquid cooling plate group includes:
a main body portion having a first cooling channel therein, the main body portion being opposite to the first sidewall;
the bending part is connected with the end part of the main body part and provided with a second cooling channel, the second cooling channel is communicated with the first cooling channel, the bending part is opposite to the second side wall, and the bending part is provided with a communicating port which is communicated with the second cooling channel;
and the communicating pipe is communicated with the communicating port so as to supply water into the second cooling channel or discharge water flow from the second cooling channel.
2. The set of liquid cooling plates of claim 1, wherein the number of the bending portions is two, and the bending portions are a first bending portion and a second bending portion, respectively, the first bending portion is located at one end of the main body portion in the length direction, and the second bending portion is located at the other end of the main body portion in the length direction;
the two communicating pipes are respectively a first communicating pipe and a second communicating pipe, the first communicating pipe is communicated with the communicating port in the first bending portion, and the second communicating pipe is communicated with the communicating port in the second bending portion.
3. The liquid cooling plate set of claim 1, wherein the bend portion comprises a first plate and a second plate, the first plate and the second plate are located on the same side of the main body portion, the first plate and the second plate are stacked, and the first plate and the second plate are hermetically connected to define the second cooling channel.
4. The liquid cooling plate set of claim 1, wherein the bend portion includes a first plate, a second plate, and a third plate, the first plate being located on one side of the main body portion, the second plate being located on the other side of the main body portion, the communication port being located on the third plate;
the third plate body is partially laminated and hermetically connected with the first plate body, a first sub-channel is defined by the third plate body and the first plate body,
the other part of the third plate body is laminated and hermetically connected with the second plate body, a second sub-channel is limited by the third plate body and the second plate body,
the first and second sub-passages are in communication and configure the second cooling passage.
5. The set of liquid cooling plates of claim 1, wherein the bent portions are provided with mounting holes.
6. The liquid cooling plate set as claimed in claim 1, wherein the communication pipe includes a connector, a manifold and at least one branch pipe, the connector is fixedly connected to the bent portion and is connected to the second cooling channel through the connection opening, one end of the branch pipe is connected to and connected to the connector, and the other end of the branch pipe is connected to and connected to the manifold.
7. The set of liquid cooling plates of claim 1, wherein the body portion includes a base plate and a cover plate in a stacked arrangement, the base plate and the cover plate defining a first cooling passage, the base plate and the cover plate being welded together.
8. A battery module, comprising:
a housing;
the battery comprises a plurality of battery monomers, a plurality of battery monomers and a plurality of connecting pieces, wherein the battery monomers are arranged in a shell side by side at intervals, each battery monomer comprises a first side wall and a second side wall which are adjacent, a first installation space is defined between the first side walls of any two adjacent battery monomers, the battery monomer which is closest to the shell exists in the battery monomers, and a second installation space is defined between the first side wall of the battery monomer and the inner wall of the shell opposite to the inner wall of the shell;
the liquid cooling plate set according to any one of claims 1 to 7, wherein at least one of the first installation space and the second installation space is provided with the liquid cooling plate set, the liquid cooling plate set is used for dissipating heat of the battery monomer, a main body portion of the liquid cooling plate set is opposite to the first side wall, and a bending portion of the liquid cooling plate set is opposite to the corresponding second side wall of the battery monomer.
9. The battery module according to claim 8, wherein a buffer member is provided in at least one of the first mounting space and the second mounting space.
10. The battery module according to claim 8, further comprising a plurality of end plates, wherein the end plates are fixed to the ends of the battery cells, and the bent portions of the liquid cooling plate group are fixedly connected to the end plates.
11. An electric vehicle characterized by comprising the battery module according to any one of claims 8 to 10.
12. The electric vehicle of claim 11, further comprising a water chiller, a battery management system, and a heating module, wherein the water chiller forms a circulation loop with the first cooling channel and the second cooling channel of the liquid cooling plate set, the battery management system is in communication with the heating module and the water chiller, and the heating module is adapted to heat a medium in the water chiller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220998574.2U CN217719770U (en) | 2022-04-26 | 2022-04-26 | Liquid cooling plate group, battery module and electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220998574.2U CN217719770U (en) | 2022-04-26 | 2022-04-26 | Liquid cooling plate group, battery module and electric vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217719770U true CN217719770U (en) | 2022-11-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220998574.2U Active CN217719770U (en) | 2022-04-26 | 2022-04-26 | Liquid cooling plate group, battery module and electric vehicle |
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| Country | Link |
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| CN (1) | CN217719770U (en) |
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2022
- 2022-04-26 CN CN202220998574.2U patent/CN217719770U/en active Active
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| GR01 | Patent grant | ||
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230721 Address after: 410100 201, Floor 2, Maker Building, Sany Industrial City, No. 1, Sany Road, Changsha Economic Development Zone, Changsha, Hunan Province, China (Hunan) Pilot Free Trade Zone Patentee after: Sany Lithium Energy Co.,Ltd. Address before: 102206 5th floor, building 6, 8 Beiqing Road, Changping District, Beijing Patentee before: SANY HEAVY INDUSTRY Co.,Ltd. |