CN220041980U - Module cooling mechanism and battery module - Google Patents
Module cooling mechanism and battery module Download PDFInfo
- Publication number
- CN220041980U CN220041980U CN202321021478.3U CN202321021478U CN220041980U CN 220041980 U CN220041980 U CN 220041980U CN 202321021478 U CN202321021478 U CN 202321021478U CN 220041980 U CN220041980 U CN 220041980U
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- battery
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- 238000001816 cooling Methods 0.000 title claims abstract description 303
- 230000000712 assembly Effects 0.000 claims abstract description 15
- 238000000429 assembly Methods 0.000 claims abstract description 15
- 238000004804 winding Methods 0.000 claims description 18
- 239000000178 monomer Substances 0.000 claims description 9
- 238000004891 communication Methods 0.000 claims description 6
- 230000007704 transition Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 22
- 239000007788 liquid Substances 0.000 description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 12
- 239000012790 adhesive layer Substances 0.000 description 5
- 230000017525 heat dissipation Effects 0.000 description 5
- 239000000110 cooling liquid Substances 0.000 description 3
- 239000003792 electrolyte Substances 0.000 description 2
- 239000002826 coolant Substances 0.000 description 1
- 239000012809 cooling fluid Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The utility model provides a module cooling mechanism and a battery module. The module cooling mechanism is used for being arranged at the end part of the battery cell and comprises a first main path cooling assembly, a second main path cooling assembly and a plurality of branch path cooling assemblies, wherein the first main path cooling assembly is formed with a first straight flow channel, the second main path cooling assembly is formed with a second straight flow channel, each branch path cooling assembly is formed with a branch path straight flow channel, and each branch path straight flow channel is respectively communicated with the first straight flow channel and the second straight flow channel. The module cooling mechanism has a good cooling effect.
Description
Technical Field
The utility model relates to the technical field of batteries, in particular to a module cooling mechanism and a battery module.
Background
The liquid cooling mechanism of the current cylindrical battery PACK system is divided into two types, one is to adopt a coiled pipe to encircle a winding core for cooling, and the other is to adopt a liquid cooling plate to cool the end part of the battery.
However, these two cooling methods have the following problems:
1) The coiled pipe is arranged around the winding core, so that the coiled pipe is easy to be attached to the winding core poorly, and the coiled pipe is arranged in a tortuous way, so that a waterway is longer, and the cooling effect is poorer;
2) The water path on the liquid cooling plate is also arranged in a tortuous way, and the circulation path of the cooling liquid battery can be increased, but the water path is also longer, so that the cooling effect is poorer.
For example, chinese patent publication No. CN114927793a proposes a liquid cooling plate and a battery pack, which includes a cold plate main body, the cold plate main body defines a total liquid inlet channel and a total liquid outlet channel extending along a length direction of the cold plate main body, one end of the total liquid inlet channel forms a liquid inlet on the cold plate main body, one end of the total liquid outlet channel forms a liquid outlet on the cold plate main body, a plurality of cooling areas independent of each other are further provided along the length direction of the cold plate main body at intervals, a meandering cooling channel is defined in the cooling areas, one end of each cooling channel is communicated with the total liquid inlet channel, and the other end is communicated with the total liquid outlet channel, however, a waterway of the meandering cooling channel is longer, so that heat taken away by water in the cooling channel stays in the waterway for a longer time, and further, the cooling effect is worse.
Disclosure of Invention
The utility model aims to overcome the defects in the prior art and provide a module cooling mechanism with a good cooling effect and a battery module.
The aim of the utility model is realized by the following technical scheme:
the utility model provides a module cooling mechanism for set up in free tip of battery, includes first main road cooling module, second main road cooling module and a plurality of branch road cooling module, first main road cooling module is formed with first straight runner, second main road cooling module is formed with the second straight runner, every branch road cooling module is formed with the branch road straight runner, every branch road straight runner communicate respectively in first straight runner with the second straight runner.
In one embodiment, a plurality of said bypass cooling assemblies are arranged side by side.
In one embodiment, each of the bypass direct current channels includes a positive cooling channel and a negative cooling channel, which are disposed separately from each other, the positive cooling channel is respectively in communication with the first direct current channel and the second direct current channel, and the negative cooling channel is respectively in communication with the first direct current channel and the second direct current channel.
In one embodiment, each of the branch cooling assemblies includes a positive cooling interference tube and a negative cooling interference tube connected side by side.
In one embodiment, the positive cooling channel of the bypass flow channel of each bypass cooling assembly is formed in the corresponding positive cooling interference tube, and the positive cooling interference tube of each bypass cooling assembly is used for cooling the positive post of the corresponding battery cell.
In one embodiment, the negative cooling channel of the bypass flow channel of each bypass cooling assembly is formed in the corresponding negative cooling interference tube, and the negative cooling interference tube of each bypass cooling assembly is used for cooling the negative electrode post of the corresponding battery cell.
In one embodiment, the connection part of the anode cooling interference tube and the cathode cooling interference tube is in chamfer transition.
In one embodiment, the anode cooling interference tube and the cathode cooling interference tube are integrally formed.
In one embodiment, the positive cooling interference tube is provided with a positive post abutment surface for abutment with a positive post of a corresponding battery cell.
In one embodiment, the negative cooling interference tube is provided with a negative post abutment surface for abutment with a negative post of a corresponding cell.
In one embodiment, the negative pole abutment surface of each of the bypass cooling assemblies is higher than the corresponding positive pole abutment surface.
The battery module comprises a module support, a battery monomer and the module cooling mechanism in any embodiment, wherein the module support is provided with a battery monomer mounting hole, the battery monomer is arranged in the battery monomer mounting hole, and the module cooling mechanism is arranged at the end part of the battery monomer.
In one embodiment, the battery unit is provided with a positive electrode post and a negative electrode post, the positive electrode post and the negative electrode post are convexly arranged on the same end face of the battery unit, the positive electrode post is provided with a positive electrode post cooling surface, a positive electrode post abutting surface of the positive electrode cooling abutting pipe is arranged on the positive electrode post cooling surface, the negative electrode post is provided with a negative electrode post cooling surface, and a negative electrode post abutting surface of the negative electrode cooling abutting pipe is arranged on the negative electrode post cooling surface.
In one embodiment, the battery cell is further provided with a winding core, the positive electrode post and the negative electrode post are both arranged at the same end of the winding core, and the distance from the cooling surface of the positive electrode post to the winding core is smaller than the distance from the cooling surface of the negative electrode post to the winding core.
Compared with the prior art, the utility model has at least the following advantages:
according to the module cooling mechanism, the first main path cooling component is provided with the first straight flow passage, the second main path cooling component is provided with the second straight flow passage, and each branch path cooling component is provided with the branch path straight flow passage, so that the problems that a water path is long and heat dissipation is slow due to the fact that the cooling flow passage of the traditional module cooling mechanism is arranged in a tortuous manner are avoided, and the cooling efficiency and the cooling effect of the module cooling mechanism on a battery module are further ensured.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a sectional view of a battery module according to an embodiment of the present utility model;
fig. 2 is a partial enlarged view of the battery module shown in fig. 1 at a;
fig. 3 is a top view of a battery module according to another embodiment of the present utility model;
FIG. 4 is a schematic view of a module cooling mechanism according to an embodiment of the present utility model;
FIG. 5 is a schematic view of a module cooling mechanism according to another embodiment of the present utility model.
Detailed Description
In order that the utility model may be readily understood, a more complete description of the utility model will be rendered by reference to the appended drawings. The drawings illustrate preferred embodiments of the utility model. This utility model may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
The utility model provides a module cooling mechanism. The module cooling mechanism is used for being arranged at the end part of the battery cell and comprises a first main path cooling assembly, a second main path cooling assembly and a plurality of branch path cooling assemblies, wherein the first main path cooling assembly is formed with a first straight flow channel, the second main path cooling assembly is formed with a second straight flow channel, each branch path cooling assembly is formed with a branch path straight flow channel, and each branch path straight flow channel is respectively communicated with the first straight flow channel and the second straight flow channel.
The module cooling mechanism comprises a first main path cooling component and a second main path cooling component, wherein the first main path cooling component is provided with a first straight flow passage, the second main path cooling component is provided with a second straight flow passage, each branch path cooling component is provided with a branch path straight flow passage, the problem that the cooling flow passage of the traditional module cooling mechanism is arranged in a tortuous manner to cause a longer water path, and then the problem that heat dissipation is slower is caused is solved, and the cooling efficiency and the cooling effect of the module cooling mechanism to the battery module are further ensured.
For a better understanding of the modular cooling mechanism of the present utility model, the modular cooling mechanism of the present utility model is further explained below:
referring to fig. 1, 3 and 4, a module cooling mechanism 10 according to an embodiment is configured to be disposed at an end of a battery cell 20; and/or it includes a first main circuit cooling assembly 100, a second main circuit cooling assembly 200, and a plurality of branch circuit cooling assemblies 300; and/or, the first main cooling module 100 is formed with a first straight flow passage 102; and/or, the second main cooling assembly 200 is formed with a second straight flow passage 202; and/or, each of the bypass cooling assemblies 300 is formed with a bypass sprue 304; and/or, each of the branched straight flow channels 304 is respectively connected to the first straight flow channel 102 and the second straight flow channel 202.
The module cooling mechanism 10 described above, the first main path cooling assembly 100 is formed with the first straight flow channel 102, the second main path cooling assembly 200 is formed with the second straight flow channel 202, each branch path cooling assembly 300 is formed with the branch path straight flow channel 304, which avoids the problems of longer water path and slower heat dissipation caused by the tortuous setting of the cooling flow channel of the traditional module cooling mechanism, and further ensures the cooling efficiency and the cooling effect of the module cooling mechanism 10 on the plurality of battery cells 20.
Referring to fig. 1, 4 and 5, in one embodiment, a plurality of branch cooling modules 300 are disposed side by side. It can be understood that the contact area of the module cooling mechanism 10 with the end face of the battery module 10A is increased, and the cooling effect and the cooling efficiency of the module cooling mechanism 10 on the plurality of battery cells 20 are improved.
Referring to fig. 2 and 4 together, it can be understood that the positive electrode post 400 and the negative electrode post 500 of the battery cell 20 are located on the same side of the winding core, and the positive electrode post 400 is lower than the negative electrode post 500, however, the conventional module cooling mechanism adopts the same cooling flow channel to cool the positive electrode post and the negative electrode post, so that the cooling effect of the post far from the cooling flow channel is poor. In order to ensure the cooling effect of the module cooling mechanism 10 on the positive electrode post 400 and the negative electrode post 500 at the same time, in one embodiment, each of the branch straight flow passages 304 includes a positive cooling passage 301 and a negative cooling passage 302 that are disposed apart from each other, the positive cooling passage 301 communicates with the first straight flow passage 102 and the second straight flow passage 202, respectively, and the negative cooling passage 302 communicates with the first straight flow passage 102 and the second straight flow passage 202, respectively.
Referring to fig. 2 and fig. 4, in one embodiment, each of the branch cooling assemblies 300 includes a positive cooling support tube 310 and a negative cooling support tube 320 connected side by side.
Referring to fig. 2 and 4 together, in one embodiment, the positive cooling channels 301 of the bypass flow channels 304 of each bypass cooling assembly 300 are formed in the corresponding positive cooling interference pipes 310, and the positive cooling interference pipes 310 of each bypass cooling assembly 300 are used to cool the positive electrode posts 400 of the corresponding battery cells 20.
Referring to fig. 2 and 4 together, in one embodiment, the negative cooling channels 302 of the bypass flow channels 304 of each bypass cooling assembly 300 are formed in the corresponding negative cooling interference pipes 320, and the negative cooling interference pipes 320 of each bypass cooling assembly 300 are used for cooling the negative poles 500 of the corresponding battery cells 20.
Referring to fig. 2 and 4 together, in one embodiment, the positive cooling channels 301 of the bypass flow channels 304 of each bypass cooling assembly 300 are formed in the corresponding positive cooling interference pipes 310, and the positive cooling interference pipes 310 of each bypass cooling assembly 300 are used for cooling the positive posts 400 of the corresponding battery cells 20; the negative cooling channel 302 of the bypass flow channel 304 of each bypass cooling assembly 300 is formed at the corresponding negative cooling interference tube 320, and the negative cooling interference tube 320 of each bypass cooling assembly 300 is used for cooling the negative electrode post 500 of the corresponding battery cell 20. It can be understood that the positive cooling abutting pipe 310 plays a role in cooling the positive electrode post 400, and the negative cooling abutting pipe 320 plays a role in cooling the negative electrode post 500, so that the cooling efficiency and the cooling effect of the module cooling mechanism 10 on the two posts are ensured at the same time, and the cooling effect of the module cooling mechanism 10 on the battery cell 20 is ensured.
Referring to fig. 2 and 4, in one embodiment, the connection between the positive cooling interference tube 310 and the negative cooling interference tube 320 is chamfered. It will be appreciated that since the height of the positive electrode post 400 is different from the height of the negative electrode post 500, the height of the positive electrode cooling interference tube 310 and the height of the negative electrode cooling interference tube 320 are also different, and thus the junction of the positive electrode cooling interference tube 310 and the negative electrode cooling interference tube 320 is chamfered.
Referring to fig. 2 and fig. 4, in one embodiment, the positive cooling support tube 310 and the negative cooling support tube 320 are integrally formed, so as to improve the installation convenience of the bypass cooling assembly 300.
Referring to fig. 2 and fig. 4 together, in one embodiment, the positive cooling abutting tube 310 is provided with a positive post abutting surface 3031, and the positive post abutting surface 3031 is used for abutting against the positive post 400 of the corresponding battery cell 20. It can be appreciated that the positive electrode post abutting surface 3031 abuts against the positive electrode post 400, so that the positive electrode cooling abutting tube 310 can rapidly take away the heat on the positive electrode post 400, and the thermal conductivity of the positive electrode post 400 is better, so that the heat of the winding core and the electrolyte can be rapidly conducted onto the positive electrode post 400, and the cooling effect of the module cooling mechanism 10 on the battery module 10A is ensured.
Referring to fig. 2 and fig. 4 together, in one embodiment, the anode cooling abutting tube 320 is provided with an anode post abutting surface 3032, and the anode post abutting surface 3032 is used for abutting against the anode post 500 of the corresponding battery cell 20. It can be appreciated that the anode post abutting surface 3032 abuts against the anode post 500, so that the anode cooling abutting tube 320 can rapidly take away the heat on the anode post 500, and the anode post 500 has better thermal conductivity, so that the heat of the winding core and the electrolyte can be rapidly conducted to the anode post 500, and the cooling effect of the module cooling mechanism 10 on the plurality of battery cells 20 is ensured.
Referring to fig. 2-4, in one embodiment, the anode post contact surface 3032 of each branch cooling assembly 300 is higher than the corresponding cathode post contact surface 3031. It can be appreciated that, in order to make the branch cooling assemblies 300 better fit to the two types of poles, the anode pole abutment surface 3032 of each branch cooling assembly 300 is higher than the corresponding cathode pole abutment surface 3031, so as to ensure the cooling effect of the module cooling mechanism 10 on the plurality of battery cells 20.
Referring to fig. 1, the present utility model further provides a battery module 10A, which includes a module support, a battery unit 20, and the module cooling mechanism 10 according to any of the foregoing embodiments, wherein the module support is formed with a battery unit mounting hole, the battery unit 20 is disposed in the battery unit mounting hole, and the module cooling mechanism 10 is disposed at an end of the battery unit 20. Further, referring to fig. 3 and 4 together, in the present embodiment, the module cooling mechanism 10 is configured to be disposed at an end of the battery cell 20, and includes a first main cooling unit 100, a second main cooling unit 200 and a plurality of branch cooling units 300, wherein the first main cooling unit 100 is formed with a first straight flow channel 102, the second main cooling unit 200 is formed with a second straight flow channel 202, each branch cooling unit 300 is formed with a branch straight flow channel 304, and each branch straight flow channel 304 is respectively connected to the first straight flow channel 102 and the second straight flow channel 202.
The battery module 10A described above, the first main cooling assembly 100 is formed with the first straight flow channel 102, the second main cooling assembly 200 is formed with the second straight flow channel 202, each branch cooling assembly 300 is formed with the branch straight flow channel 304, which avoids the problems of longer water channel and slower heat dissipation caused by the tortuous arrangement of the cooling flow channel of the conventional module cooling mechanism, and further ensures the cooling efficiency and cooling effect of the module cooling mechanism 10 on the battery module 10A.
Referring to fig. 2, in one embodiment, a battery cell 20 is provided with a positive electrode post 400 and a negative electrode post 500, the positive electrode post 400 and the negative electrode post 500 are protruded on the same end surface of the battery cell 20, the positive electrode post 400 is formed with a positive electrode post cooling surface 401, a positive electrode post contact surface 3031 of the positive electrode cooling abutting tube 310 is mounted on the positive electrode post cooling surface 401, the negative electrode post 500 is formed with a negative electrode post cooling surface 402, and a negative electrode post contact surface 3032 of the negative electrode cooling abutting tube 320 is mounted on the negative electrode post cooling surface 402.
Referring to fig. 1 and fig. 2 together, in one embodiment, the battery cell 20 is further provided with a winding core, and the positive electrode post 400 and the negative electrode post 500 are disposed at the same end of the winding core, and the distance from the positive electrode post cooling surface 401 to the winding core is smaller than the distance from the negative electrode post cooling surface 402 to the winding core.
Further, referring to fig. 1 and fig. 4 together, in one embodiment, the positive electrode post contact surface 3031 is a first plane. It can be appreciated that the positive electrode post abutting surface 3031 is smoother, so that the positive electrode post 400 can be better attached, the cooling effect of the module cooling mechanism 10 on the battery cell 20 is ensured, and the convenience in assembling the battery module 10A is improved. Further, in this embodiment, the positive electrode cooling abutting tube 310 is adhered to the positive electrode post 400 through the heat conducting structural adhesive layer, and the positive electrode post abutting surface 3031 is the first plane, so that the convenience in assembling the battery module 10A is further improved, and the use of the heat conducting structural adhesive layer is reduced.
Further, referring to fig. 1 and 4 together, in one embodiment, the anode post contact surface 3032 is a second plane. It can be appreciated that the anode post abutting surface 3032 is smoother, so that the anode post 400 can be better attached, the cooling effect of the module cooling mechanism 10 on the battery cell 20 is ensured, and the assembling convenience of the battery module 10A is improved. Further, in the present embodiment, the anode cooling abutting tube 320 is adhered to the anode post 500 through the heat conductive adhesive layer, and the anode post abutting surface 3032 is a second plane, so that the convenience of assembling the battery module 10A is further improved, and the use of the heat conductive adhesive layer is reduced.
Referring to fig. 1, 3 and 4, in one embodiment, the first main cooling assembly 100 is formed with a liquid inlet 101, and the liquid inlet 101 is communicated with the first straight flow channel 102; the second main cooling assembly 200 is formed with a liquid outlet 201, and the liquid outlet 201 is communicated with the second straight flow channel 202. The cooling liquid enters the first straight flow channel 102 from the liquid inlet 101, flows to the plurality of branch straight flow channels 304 respectively, then flows to the second straight flow channel 202, and then flows out from the liquid outlet 201, so that heat emitted by the battery cell 20 is taken away, and the cooling effect of the module cooling mechanism 10 on the battery cell 20 is ensured.
Further, referring to fig. 1 to 4, in one embodiment, the cooling liquid flows from the first straight flow channel 102 to the plurality of positive cooling channels 301 and the plurality of negative cooling channels 302, then flows to the second straight flow channel 202, and then flows out from the liquid outlet 201, so as to take away the heat emitted by the battery cells 20, and further ensure the cooling effect of the module cooling mechanism 10 on the battery cells 20.
Referring to fig. 3, in one embodiment, the coolant within the modular cooling mechanism 10 flows in the direction of the arrows.
In one embodiment, the cooling fluid is water.
Referring to fig. 3, in one embodiment, the module cooling mechanism 10 further includes a first water pipe connector disposed at the liquid inlet 101 and in communication with the first main cooling assembly 100.
Referring to fig. 3, in one embodiment, the module cooling mechanism 10 further includes a second water pipe connector disposed at the liquid outlet 201 and in communication with the second main cooling assembly 200.
Referring to FIG. 3, in one embodiment, a first water pipe joint is welded to a first main cooling assembly 100.
Referring to FIG. 3, in one embodiment, a second water pipe joint is welded to the second main cooling assembly 200.
Referring to FIG. 3, in one embodiment, each of the bypass cooling assemblies 300 is welded to the first main cooling assembly 100.
Referring to FIG. 3, in one embodiment, each of the bypass cooling assemblies 300 is welded to the second main cooling assembly 200.
Referring to fig. 1, in one embodiment, the battery module 10A further includes connection assemblies respectively connected to the poles of the battery cells 20 and the module cooling mechanism 10.
Referring to fig. 2 and fig. 4 together, in one embodiment, the connection component is a thermal conductive adhesive layer.
Compared with the prior art, the utility model has at least the following advantages:
the first main path cooling assembly 100 is formed with a first straight flow channel 102, the second main path cooling assembly 200 is formed with a second straight flow channel 202, each branch path cooling assembly 300 is formed with a branch path straight flow channel 304, the problems that the water path is long, heat dissipation is slow, and the cooling efficiency and the cooling effect of the module cooling mechanism 10 on a plurality of battery cells 20 are guaranteed due to the fact that the cooling flow channels of the traditional module cooling mechanism are arranged in a roundabout way are avoided.
The above examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.
Claims (10)
1. The utility model provides a module cooling mechanism for set up in free tip of battery, includes first main road cooling module, second main road cooling module and a plurality of branch road cooling module, its characterized in that, first main road cooling module is formed with first straight runner, second main road cooling module is formed with the second straight runner, every branch road cooling module is formed with the branch road straight runner, every the branch road straight runner communicate respectively in first straight runner with the second straight runner.
2. The modular cooling mechanism of claim 1, wherein a plurality of the bypass cooling assemblies are disposed side-by-side.
3. The modular cooling mechanism of claim 1, wherein each of the bypass direct current channels includes a positive cooling channel and a negative cooling channel disposed in spaced relation to each other, the positive cooling channel being in communication with the first direct current channel and the second direct current channel, respectively, and the negative cooling channel being in communication with the first direct current channel and the second direct current channel, respectively.
4. A modular cooling mechanism as claimed in claim 3, wherein each of the bypass cooling assemblies comprises a positive cooling interference tube and a negative cooling interference tube connected side by side;
the positive electrode cooling channel of the branch straight flow channel of each branch cooling assembly is formed on the corresponding positive electrode cooling abutting pipe, and the positive electrode cooling abutting pipe of each branch cooling assembly is used for cooling the positive electrode post of the corresponding battery cell;
the negative electrode cooling channels of the branch straight flow channels of each branch cooling assembly are formed in the corresponding negative electrode cooling abutting pipes, and the negative electrode cooling abutting pipes of each branch cooling assembly are used for cooling the corresponding negative electrode posts of the battery cells.
5. The modular cooling mechanism of claim 4, wherein the positive cooling interference tube and the negative cooling interference tube are joined at a chamfer transition; and/or the number of the groups of groups,
the anode cooling abutting pipe and the cathode cooling abutting pipe are of an integrated structure.
6. The module cooling mechanism of claim 4, wherein the positive cooling interference tube is provided with a positive post abutment surface for abutment with a positive post of a corresponding battery cell; and/or the number of the groups of groups,
the negative electrode cooling abutting pipe is provided with a negative electrode pole abutting surface, and the negative electrode pole abutting surface is used for abutting with a corresponding battery single negative electrode pole.
7. The modular cooling mechanism of claim 6, wherein the negative pole terminal abutment surface of each of the bypass cooling assemblies is higher than the corresponding positive pole terminal abutment surface.
8. A battery module, characterized by including module support, battery monomer and the module cooling body of any one of claims 1-7, the module support is formed with battery monomer mounting hole, the battery monomer set up in the battery monomer mounting hole, the module cooling body set up in the free tip of battery.
9. The battery module according to claim 8, wherein the battery cell is provided with a positive electrode post and a negative electrode post, the positive electrode post and the negative electrode post are convexly provided on the same end face of the battery cell, the positive electrode post is formed with a positive electrode post cooling surface, a positive electrode post abutting surface of the positive electrode cooling abutting pipe is mounted on the positive electrode post cooling surface, the negative electrode post is formed with a negative electrode post cooling surface, and a negative electrode post abutting surface of the negative electrode cooling abutting pipe is mounted on the negative electrode post cooling surface.
10. The battery module of claim 9, wherein the battery cell is further provided with a winding core, the positive electrode post and the negative electrode post are both disposed at the same end of the winding core, and a distance from the positive electrode post cooling surface to the winding core is smaller than a distance from the negative electrode post cooling surface to the winding core.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321021478.3U CN220041980U (en) | 2023-04-28 | 2023-04-28 | Module cooling mechanism and battery module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321021478.3U CN220041980U (en) | 2023-04-28 | 2023-04-28 | Module cooling mechanism and battery module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220041980U true CN220041980U (en) | 2023-11-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321021478.3U Active CN220041980U (en) | 2023-04-28 | 2023-04-28 | Module cooling mechanism and battery module |
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|---|---|
| CN (1) | CN220041980U (en) |
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- 2023-04-28 CN CN202321021478.3U patent/CN220041980U/en active Active
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