Cooling confluence module, battery, battery pack and electric equipment

Abstract

The invention provides a cooling confluence module, a battery, a battery pack and electric equipment, the cooling confluence module is used for the battery, the battery comprises a plurality of battery cell groups, the cooling confluence module is suitable for being electrically connected with the plurality of battery cell groups, and the cooling confluence module is also suitable for accommodating a cooling medium to cool the plurality of battery cell groups.

Description

Technical Field

[0001] The present invention relates to the field of battery technology, and in particular to a cooling bus module, a battery, a battery pack and an electrical device. Background Art

[0002] In the related art, the batteries used in the energy storage battery pack are cooled by a bottom liquid cooling plate, and a bus is required to be provided on the top of the battery to connect the battery cells in series or in parallel, wherein the liquid cooling plate and the bus are separately provided and occupy the bottom and top spaces of the energy storage battery respectively, which is not conducive to improving the energy density of the energy storage battery pack. Summary of the invention

[0003] The embodiments of the present invention provide a cooling bus module, a battery, a battery pack and an electrical device, which can improve the technical problem that the liquid cooling plate and bus of the battery occupy a large amount of space in the energy storage battery pack.

[0004] In a first aspect, an embodiment of the present invention provides a cooling bus module for a battery, wherein the battery comprises a plurality of battery cell groups, the cooling bus module is suitable for electrically connecting the plurality of battery cell groups, and the cooling bus module is also suitable for accommodating a cooling medium to cool the plurality of battery cell groups.

[0005] In one embodiment, the cooling bus module also includes a plurality of cooling bus assemblies; each of the battery cell groups includes a plurality of battery cells; wherein each of the cooling bus assemblies is suitable for connecting in series the plurality of battery cells of the corresponding battery cell group, and is suitable for accommodating a cooling medium to cool the plurality of battery cells of the battery cell group.

[0006] In one embodiment, each of the cooling busbar assemblies includes two cooling busbars; wherein the two cooling busbars are suitable for connecting the multiple battery cells of the battery cell group in series and are suitable for accommodating a cooling medium to cool the multiple battery cells of the battery cell group.

[0007] In one embodiment, each of the cooling manifolds includes a plurality of branch pipes interconnected with each other; wherein the plurality of branch pipes of the two cooling manifolds are suitable for connecting in series the plurality of battery cells of the corresponding battery cell groups, and each of the branch pipes is provided with a cavity to accommodate a cooling medium.

[0008] In one embodiment, the two cooling manifolds include a first cooling manifold and a second cooling manifold; wherein each of the branch tubes of the first cooling manifold is connected in series with a branch tube of the second cooling manifold via a battery cell, and each of the branch tubes of the second cooling manifold is connected in series with a branch tube of the first cooling manifold via a battery cell, so that the multiple battery cells of the battery cell group are connected in series.

[0009] In one embodiment, the branch pipe is a metal pipe.

[0010] In one embodiment, each of the cooling manifolds is further provided with a plurality of insulating seals, each of which is sealingly connected between two adjacent branch pipes and insulates the two adjacent branch pipes from each other.

[0011] In one embodiment, the insulating seal is a silicone insulating seal.

[0012] In one embodiment, the cooling bus module further includes a plurality of connectors, each of which is connected to two adjacent cooling bus assemblies to connect two adjacent battery cell groups in series.

[0013] In one embodiment, the cooling bus module further includes at least one bus end plate, and each of the bus end plates is suitable for connecting with a plurality of the cooling bus components to circulate cooling medium.

[0014] In one embodiment, at least one of the converging end plates is provided with an inlet and an outlet, wherein the inlet is suitable for the cooling medium to flow in, and the outlet is suitable for the cooling medium to flow out.

[0015] In one embodiment, the cooling bus module further includes at least one fixing belt, each of which surrounds the outer peripheral side of at least one end plate and at least one cooling bus assembly to connect at least one end plate and at least one cooling bus assembly.

[0016] In a second aspect, an embodiment of the present invention provides a battery, comprising a plurality of battery cell groups and the above-mentioned cooling manifold module, wherein the cooling manifold module is disposed on end surfaces or side surfaces of the plurality of battery cell groups.

[0017] In one embodiment, the battery cell group includes a plurality of battery cells, the battery cells include poles, and the cooling bus module is connected to the poles.

[0018] In a third aspect, an embodiment of the present invention provides a battery pack, the energy storage battery pack comprising a box and a plurality of batteries arranged in the box, the batteries comprising the above-mentioned battery.

[0019] In a fourth aspect, an embodiment of the present invention provides an electrical device, wherein the electrical device includes the above-mentioned battery pack.

[0020] Beneficial effects of the embodiments of the present invention:

[0021] In an embodiment of the present invention, a cooling plate for cooling a plurality of battery cell groups and a busbar for electrically connecting a plurality of battery cell groups are integrated into a cooling busbar module, and the cooling busbar module can reduce the internal space occupied by the battery pack relative to the cooling plate and busbar that are separately arranged, thereby facilitating the improvement of the energy density of the battery pack. Furthermore, by integrating the cooling plate and the busbar into a cooling busbar module, the overall structure of the battery is simplified, and the assembly efficiency of the battery is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative work.

[0023] Figure 1 is a three-dimensional structural diagram of a battery provided by an embodiment of the present invention;

[0024] Figure 2 is a three-dimensional schematic diagram of a battery cell group and a cooling bus module separated from each other according to an embodiment of the present invention;

[0025] Figure 3 is a three-dimensional structural diagram of a cooling confluence module provided by an embodiment of the present invention;

[0026] Figure 4 is a three-dimensional diagram of a cooling manifold provided by an embodiment of the present invention;

[0027] Figure 5 is a stereoscopic diagram of a branch pipe provided by an embodiment of the present invention;

[0028] Figure 6 is a three-dimensional diagram of an insulating seal provided by an embodiment of the present invention from one viewing angle;

[0029] Figure 7 is a stereoscopic view of an insulating seal provided by an embodiment of the present invention from another viewing angle;

[0030] Figure 8 is a stereoscopic diagram of a connector provided by an embodiment of the present invention connected to a cooling manifold;

[0031] Fig. 9 is a three-dimensional diagram of a confluence end plate provided by an embodiment of the present invention;

[0032] Figure Number:

[0033] 10. Cell group; 1. Cell; 11. Post; 12. Positive post; 13. Negative post; 14. Top end surface; 15. Bottom end surface; 16. Side surface; 17. First cell; 18. Second cell;

[0034] 20. Cooling confluence module;

[0035] 2. Cooling manifold assembly; 21. branch pipe; 211. first branch pipe; 212. second branch pipe; 22. connecting portion; 221. connecting groove; 222. connecting protrusion; 23. cooling manifold; 231. first cooling manifold; 232. second cooling manifold; 24. cooling cavity;

[0036] 3. Insulating seal; 31. Main body; 32. First sealing part; 33. Second sealing part; 34. Through hole; 35. Sealing groove; 36. Sealing protrusion;

[0037] 4. confluence end plate; 41. end plate portion; 42. interface portion; 43. inlet; 44. outlet;

[0038] 5. Fixing belt;

[0039] 6. Cooling plate;

[0040] 7. Connectors; DETAILED DESCRIPTION

[0041] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments in the present invention, all other embodiments obtained by those skilled in the art without creative work are within the scope of protection of the present invention. In addition, it should be understood that the specific implementation methods described herein are only used to illustrate and explain the present invention, and are not used to limit the present invention. In the present invention, unless otherwise specified, the directional words used, such as "upper" and "lower", generally refer to the upper and lower parts of the device in actual use or working state, specifically the drawing direction in the drawings; while "inside" and "outside" refer to the outline of the device.

[0042] In the related art, the batteries used in the energy storage battery pack are cooled by a bottom liquid cooling plate, and a bus is required to be provided on the top of the battery to connect the battery cells in series or in parallel, wherein the liquid cooling plate and the bus are separately provided and occupy the bottom and top spaces of the energy storage battery respectively, which is not conducive to improving the energy density of the energy storage battery pack.

[0043] The embodiments of the present application provide a battery for an energy storage battery pack or a power battery pack, such as Figure 1 and Figure 2 As shown, the battery includes a plurality of battery cell groups 10 and a cooling manifold module 20 .

[0044] The battery cell group 10 includes a plurality of battery cells 1 arranged side by side in the length direction, and the plurality of battery cell groups 10 are arranged side by side in the width direction. The battery cell 1 has a top end face 14 and a bottom end face 15 opposite to each other, and a plurality of side faces 16 located between the top end face 14 and the bottom end face 15. The battery cell 1 includes at least one pole 11. In a specific implementation, a positive pole 12 and a negative pole 13 are protrudingly provided on the top end face of the battery cell 1, and the positive pole 12 and the negative pole 13 are spaced apart in the width direction of the battery cell group.

[0045] The cooling bus module 20 is provided with a cooling cavity 24 for accommodating a cooling medium and is disposed on the end surfaces or side surfaces 16 of the plurality of battery cell groups 10 to cool the plurality of battery cell groups 10 , wherein the cooling bus module 20 is also used to electrically connect the plurality of battery cell groups 10 .

[0046] By integrating the cooling plate and the bus bar into a cooling bus module 20, the cooling bus module 20 provides a cooling function and a bus function at the same time. Compared with the cooling plate and the bus bar that are separately arranged, the cooling bus module 20 can reduce the internal space occupied by the battery pack. For example, the cooling bus module 20 is arranged on the top surface of the plurality of battery cell groups 10, so that the cooling bus module only occupies the top space of the battery without occupying the bottom space of the battery, which is conducive to improving the energy density of the energy storage battery pack. Furthermore, by integrating the cooling plate and the bus bar into a cooling bus module, the overall structure of the battery is simplified and the assembly efficiency of the battery is improved.

[0047] In some embodiments, continue to refer to Figure 1 and Figure 2 As shown, the cooling bus module 20 is located at the top end surface 14 of the plurality of battery cell groups 10, and a positive electrode column 12 and a negative electrode column 13 are protrudingly provided on the top end surface of each battery cell 1, and the positive electrode column 12 and the negative electrode column 13 are arranged at intervals along the width direction of the battery cell group 10, and the cooling bus module 20 is arranged to connect the positive electrode column 12 and the negative electrode column 13 of two adjacent battery cells 1.

[0048] It can be understood that the pole 11 of the battery cell 1 is electrically connected to the pole piece assembly of the battery cell 1, and the pole 11 is made of a metal material with good thermal conductivity and electrical conductivity. By bringing the cooling bus module 20 into contact with the pole 11, it is beneficial to rapid heat conduction and heat dissipation on the one hand, and on the other hand, it is beneficial to connect multiple battery cells 1 of the same battery cell group 10 in series, parallel or mixed.

[0049] The top end surface of the pole 11 is set as a plane, and the bottom end surface of the cooling confluence module 20 is set as a plane, which is conducive to forming a stable large-area contact between the two and improving the heat transfer performance and the electrical conductivity.

[0050] In one embodiment, reference Figure 3 and Figure 4As shown, the cooling bus module 20 includes a plurality of cooling bus assemblies 2 , a bus end plate 4 , a fixing belt 5 and a connecting piece 7 .

[0051] Each cooling bus assembly 2 corresponds to a cell group 10 . Each cooling bus assembly 2 is suitable for connecting multiple cells 1 of the same cell group 10 in series. The cooling bus assembly 2 is provided with a cooling cavity 24 for accommodating a cooling medium to cool the multiple cells of the cell group 10 .

[0052] In some embodiments, each cooling busbar assembly 2 includes two cooling busbars 23 , which are suitable for connecting the multiple battery cells 1 of the corresponding battery cell group 10 in series and for accommodating a cooling medium to cool the multiple battery cells 1 of the battery cell group 10 .

[0053] Among them, the two cooling manifolds 23 include a first cooling manifold 231 and a second cooling manifold 232, each cooling manifold 23 includes a plurality of branch pipes 21 that are interconnected, the plurality of branch pipes 21 of the two cooling manifolds 23 are used to connect in series a plurality of battery cells 1 of a corresponding battery cell group 10, each branch pipe 21 is provided with a cooling cavity 24, and the plurality of cooling cavities 24 of the plurality of branch pipes 21 of the same cooling manifold 23 are interconnected, so that the cooling medium can flow in from one end of the cooling manifold 23 and circulate to the other end of the cooling manifold 23 to provide cooling for the plurality of battery cells 1 of the battery cell group 10.

[0054] Each branch pipe 21 of the first cooling manifold 231 is connected in series with a branch pipe 21 of the second cooling manifold 232 through a battery cell 1. Each branch pipe 21 of the second cooling manifold 232 is connected in series with a branch pipe 21 of the first cooling manifold 231 through a battery cell 1, so that multiple battery cells 1 of the battery cell group 10 are connected in series.

[0055] In a specific implementation, the two cooling manifolds 2 include two cooling manifolds 23, each cell 1 of the cell group 10 is provided with a positive pole 12 and a negative pole 13, the two cooling manifolds 23 include a first cooling manifold 231 and a second cooling manifold 232, the plurality of cells 1 include adjacent first cells 17 and second cells 18, the positive pole 12 of the first cell 17 is connected in series with the negative pole 13 of the second cell 18 through a branch pipe 21 of the first cooling manifold 231, and the negative pole 13 of the first cell 17 is connected in series with the positive pole 12 of the second cell 18 through a branch pipe 21 of the second cooling manifold 232. The positive poles 12 and negative poles 13 of the plurality of cells 1 of the cell group 10 are connected in series and converged through the plurality of branch pipes 21 of the first cooling manifold 231 and the plurality of branch pipes 21 of the second cooling manifold 232.

[0056] The branch pipe 21 is configured as a metal pipe, so that the branch pipe 21 has conductive properties. In a specific implementation, the cooling manifold 23 is made of a metal material with good thermal and electrical conductivity, and suitable metal materials include aluminum, copper or metal composite materials. The cooling manifold 23 is configured as a hollow columnar structure, and the bottom end surface of the cooling manifold 23 is configured as a plane to form a larger contact area with the pole 11.

[0057] In some embodiments, the cooling manifold 23 includes a plurality of branch pipes 21 and a plurality of insulating seals 3, each insulating seal 3 is sealed and connected between two adjacent branch pipes 21, and insulates the two adjacent branch pipes 21 from each other. The insulating seal 3 is made of a flexible silicone material.

[0058] In the specific implementation, Figures 5 to 7 As shown, the insulating seal 3 is sealed and connected to two adjacent branch pipes 21. The insulating seal 3 includes a main body 31 and a first sealing part 32 and a second sealing part 33 located on both sides of the main body 31. The two adjacent branch pipes 21 include a first branch pipe 211 and a second branch pipe 212. The first sealing part 32 is connected to the first branch pipe 211, and the second sealing part 33 is connected to the second branch pipe 212. The insulating seal 3 also includes a through hole 34, which passes through the main body 31, the first sealing portion 32 and the second sealing portion 33. The through hole 34 connects the cooling cavity 24 of the first branch pipe 211 and the cooling cavity 24 of the second branch pipe 212, thereby connecting the cooling cavities 24 of two adjacent branch pipes 21 of the cooling manifold 23. The multiple insulating seals 3 are configured to connect the cooling cavities 24 of the multiple branch pipes 21, so that the cooling medium flows from one end of the cooling manifold 23 to the other end of the cooling manifold 23, thereby providing cooling for the multiple battery cells 1 of the same battery cell group 10, and at the same time, the multiple battery cells 1 of the same battery cell group 10 are connected in series through the multiple branch pipes 21 for convergence.

[0059] Each branch pipe 21 is provided with a connecting portion 22 at both ends, and a first sealing portion 32 and a second sealing portion 33 are plugged into the connecting portion 22. Specifically, the first sealing portion 32 and the second sealing portion 33 each include a sealing groove 35 and a sealing protrusion 36, the sealing groove 35 is provided around the through hole 34, and the sealing protrusion 36 is provided around the sealing groove 35, wherein the sealing groove 35 is recessed relative to the main body 31, and the sealing protrusion 36 is raised relative to the main body 31. The connecting portion 22 of the branch pipe 21 includes a connecting protrusion 222 and a connecting groove 221, wherein the connecting groove 221 is provided around the connecting protrusion 222, the connecting groove 221 is recessed relative to the end surface of the branch pipe 21, and the connecting protrusion 222 is raised relative to the connecting groove 221, wherein the connecting protrusion 222 is provided to be embedded in the sealing groove 321, and the sealing protrusion 36 is provided to be embedded in the connecting groove 221, so that a double-layer sealing structure is formed between the branch pipe 21 and the insulating seal 3.

[0060] In some embodiments, continue to refer to Figure 2 and Figure 8 The cooling bus module 20 further includes a plurality of connectors 7, each connector 8 being connected to two adjacent cooling bus assemblies 2 to connect two adjacent battery cell groups 10 in series. The connector 7 may be a copper bar, an aluminum bar, or a copper-aluminum composite bar.

[0061] In some embodiments, reference Figures 1 to 3 as well as Fig. 9 The cooling manifold module 20 includes two manifold end plates 4, which are respectively located at the two ends of the cooling manifold module 20. The manifold end plates 4 extend along the width direction of the battery, wherein one manifold end plate 4 is configured to connect one end of a plurality of cooling manifolds 23, and the other manifold end plate 4 is configured to connect the other end of a plurality of cooling manifolds 23. The inner cavities of the two manifold end plates 4 are configured to communicate with the cooling cavities 24 of the plurality of cooling manifolds 23 to circulate the cooling medium.

[0062] The confluence end plate 4 serves as the main flow channel of the cooling medium, and each cooling confluence pipe 23 serves as a branch flow channel of the cooling medium. An inlet 43 and an outlet 44 are provided on one of the confluence end plates 4. The inlet is used for the cooling medium to flow in, and the outlet 44 is used for the cooling medium to flow out.

[0063] In a specific embodiment, continue to refer to Figures 1 to 3 as well as Figure 8 The confluence end plate 4 includes an end plate portion 41 and a plurality of interface portions 42 connected to the end plate portion 41. One end of each cooling confluence pipe 23 is sealed and connected to an interface portion 42 of one confluence end plate 4, and the other end of each cooling confluence pipe 23 is sealed and connected to an interface portion 42 of another confluence end plate 4. Specifically, the branch pipe 21 at the end of each cooling confluence pipe 23 is connected to the interface portion 42 through an insulating seal 3.

[0064] Among them, a plurality of interfaces 42 are located on one side of the end plate 41, and an inlet 43 and an outlet 44 are located on the other side of the end plate 41. The end plate 41 has a hollow inner cavity, and the interface 42 serves as a flow dividing interface. The cooling medium enters the inner cavity of the end plate 41 through the inlet 43, and is provided to the plurality of cooling manifolds 23 through the plurality of interface 42. The cooling medium flows into and flows to the other end of the cooling manifold 23 through one end of the cooling manifold 23, thereby cooling the plurality of battery cells 1 of the battery cell group 10. The cooling medium flows back to one end of the cooling manifold 23 through the inner cavity of the cooling manifold 23, and flows out through the inner cavity of the end plate 41 into the outlet 44.

[0065] In some embodiments, the cooling manifold module 20 further includes a plurality of fixing belts 5, each of which surrounds the outer circumference of at least one manifold end plate 4 and at least one cooling manifold 23 to connect at least one manifold end plate 4 and at least one cooling manifold 23. The fixing belts 5 may be steel belts.

[0066] In a specific implementation, each fixing band 5 is used to fix two busbar end plates 4 and at least one cooling busbar 23. The fixing band 5 is configured as a closed rectangular band, and each fixing band 5 is fixed between the two busbar end plates 4 and sleeved on the outer peripheral side of a cooling busbar 23 to fix the cooling busbar 23 between the two busbar end plates 4, thereby maintaining a stable connection between the cooling busbar 23 and the two busbar end plates 4.

[0067] In some embodiments, the cooling manifold module 20 is disposed on the top end surface 14 of the plurality of battery cell groups 10, and a cooling plate 6 is disposed on the bottom end surface 15 of the plurality of battery cell groups 10, thereby improving the cooling capacity of the battery to meet the working conditions of high-rate discharge of the battery.

[0068] The cooling manifold 23 is manufactured by a metal casting process, wherein the cooling manifold 23 is in direct contact with the pole 11 of the battery cell 1 without heat-conducting insulating silicone. Taking the cooling medium as a coolant as an example, the coolant flows in the cooling manifold 23 to cool multiple battery cells 1. In order to ensure that the coolant can meet the insulation performance for a longer time in the cooling manifold 23, after the cooling manifold 23 is manufactured, the cooling manifold 23 needs to be fully cleaned with deionized water to remove the metal residue in the cooling manifold 23, and then assembled and sealed in a clean room. The coolant components are water and ethylene glycol, so the coolant itself does not have conductive properties.

[0069] An embodiment of the present application also provides a battery pack, which may be an energy storage battery pack or a power battery pack. The energy storage battery pack may be an energy storage container or an energy storage battery cabinet. The battery pack includes a box body and a plurality of batteries arranged in the box body. The batteries include the batteries provided in the above embodiments.

[0070] The embodiments of the present application also provide an electric device, which includes the above-mentioned battery pack, and the battery pack can provide electrical energy for the electric device. The electric device can be an electric vehicle, a hybrid electric vehicle, or a ship. In some embodiments, the electric device is an electric vehicle, which is a pure electric vehicle, a hybrid electric vehicle, or an extended-range vehicle. In other embodiments, the electric device can also be other devices, which are not specifically limited here.

[0071] The embodiments of the present invention are described in detail above. Specific examples are used herein to illustrate the principles and implementation methods of the present invention. The description of the above embodiments is only used to help understand the method of the present invention and its core idea. At the same time, for those skilled in the art, according to the idea of ​​the present invention, there will be changes in the specific implementation methods and application scope. In summary, the content of this specification should not be understood as a limitation on the present invention.

Claims

1. A cooling bus module for a battery, wherein the battery comprises a plurality of battery cell groups, characterized in that: The cooling bus module is suitable for electrically connecting the plurality of battery cell groups, and the cooling bus module is also suitable for accommodating a cooling medium to cool the plurality of battery cell groups.

2. The cooling manifold module according to claim 1, characterized in that: The cooling bus module also includes a plurality of cooling bus assemblies; each of the battery cell groups includes a plurality of battery cells; wherein each of the cooling bus assemblies is suitable for connecting in series the plurality of battery cells of the corresponding battery cell group, and is suitable for accommodating a cooling medium to cool the plurality of battery cells of the battery cell group.

3. The cooling manifold module according to claim 2, characterized in that: Each of the cooling busbar assemblies includes two cooling busbars, wherein the two cooling busbars are suitable for connecting the multiple battery cells of the battery cell group in series and are suitable for accommodating a cooling medium to cool the multiple battery cells of the battery cell group.

4. The cooling manifold module according to claim 3, characterized in that: Each of the cooling manifolds includes a plurality of branch pipes that are interconnected; wherein the plurality of branch pipes of the two cooling manifolds are suitable for connecting the plurality of battery cells of the corresponding battery cell groups in series, and each of the branch pipes is provided with a cavity to accommodate a cooling medium.

5. The cooling manifold module according to claim 4, characterized in that: The two cooling manifolds include a first cooling manifold and a second cooling manifold; wherein each branch of the first cooling manifold is connected in series with a branch of the second cooling manifold via a battery cell, and each branch of the second cooling manifold is connected in series with a branch of the first cooling manifold via a battery cell, so that the multiple battery cells of the battery cell group are connected in series.

6. The cooling manifold module according to claim 4, characterized in that: The branch pipe is a metal pipe.

7. The cooling manifold module according to claim 4, characterized in that: Each of the cooling manifolds is also provided with a plurality of insulating seals, each of which is sealingly connected between two adjacent branch pipes and insulates the two adjacent branch pipes from each other.

8. The cooling manifold module according to claim 7, characterized in that: The insulating seal is a silicone insulating seal.

9. The cooling manifold module according to claim 2, characterized in that: The cooling bus module further includes a plurality of connectors, each of which is connected to two adjacent cooling bus assemblies to connect two adjacent battery cell groups in series.

10. The cooling manifold module according to claim 2, characterized in that: The cooling and confluence module further includes at least one confluence end plate, and each of the confluence end plates is suitable for connecting with a plurality of the cooling and confluence components to circulate cooling medium.

11. The cooling manifold module according to claim 10, characterized in that: At least one of the converging end plates is provided with an inlet and an outlet, wherein the inlet is suitable for the cooling medium to flow in, and the outlet is suitable for the cooling medium to flow out.

12. The cooling manifold module according to claim 10, characterized in that: The cooling bus module further includes at least one fixing belt, each of which surrounds the outer peripheral side of at least one end plate and at least one cooling bus assembly to connect at least one end plate and at least one cooling bus assembly.

13. A battery, characterized in that: The battery comprises a plurality of battery cell groups and a cooling manifold module according to any one of claims 1 to 12, wherein the cooling manifold module is arranged on end surfaces or side surfaces of the plurality of battery cell groups.

14. The battery according to claim 13, characterized in that The battery cell group includes a plurality of battery cells, each of which includes a pole, and the cooling bus module is connected to the pole.

15. A battery pack, characterized in that: The battery pack includes a box body and a plurality of batteries arranged inside the box body, and the batteries are configured as the batteries described in claim 13 or 14.

16. An electrical equipment, characterized in that: The electrical equipment comprises the battery pack according to claim 15.

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