CN220021540U

CN220021540U - CCS assembly and battery module

Info

Publication number: CN220021540U
Application number: CN202320993694.8U
Authority: CN
Inventors: 杨美燕; 李何鑫; 孙慧
Original assignee: Wuhan Eve Energy Storage Co ltd
Current assignee: Wuhan Eve Energy Storage Co ltd
Priority date: 2023-04-24
Filing date: 2023-04-24
Publication date: 2023-11-14
Anticipated expiration: 2033-04-24

Abstract

The utility model provides a CCS assembly and a battery module, wherein the CCS assembly comprises: the aluminum row is provided with an opening; the thermistor terminal is provided with a head part and a tail part, the head part is in press fit connection with a thermistor piece, the thermistor piece is abutted against the surface of the aluminum row, the head part is also provided with a through hole, and the tail part is provided with a first plug connector; and a bolt passing through the through hole and inserted into the opening. According to the utility model, the head of the thermistor terminal is fixed by the bolt, and the other end of the thermistor terminal is connected by plugging, so that when the thermistor needs to be replaced, the plug connector is pulled out, and the bolt is unscrewed, so that the thermistor can be replaced, and the replacement difficulty of the thermistor is reduced.

Description

CCS assembly and battery module

Technical Field

The utility model relates to the technical field of batteries, in particular to a CCS assembly and a battery module.

Background

Along with the development of economy and the progress of science and technology, the power battery is widely applied to industries such as electric automobiles. In order to ensure that the power battery can operate within a specified temperature range, the temperature signal of the battery cells in the battery module needs to be acquired through a CCS assembly (acquisition integration).

In CCS assemblies, the thermistor is typically mounted on an aluminum row by glue for temperature acquisition. However, when the thermistor is failed and needs to be replaced, the thermistor is difficult to replace due to the fixing mode of the thermistor.

Therefore, how to reduce the difficulty of replacing the thermistor is a technical problem to be solved by the current CCS assembly.

Disclosure of Invention

The embodiment of the utility model provides a CCS assembly and a battery module, which are used for reducing the replacement difficulty of a thermistor.

Embodiments of the present utility model provide a CCS assembly comprising:

the aluminum row is provided with an opening;

the thermistor terminal is provided with a head part and a tail part, the head part is in pressure connection with a thermistor piece, the thermistor piece is abutted against the surface of the aluminum row, the head part is further provided with a through hole, and the tail part is provided with a first plug connector;

and a bolt passing through the through hole and inserted into the opening.

In one embodiment, the CCS assembly further comprises:

the temperature acquisition wire harness, the one end of temperature acquisition wire harness is provided with the second plug connector, the second plug connector be used for with first plug connector plug connection.

In one embodiment, the CCS assembly further comprises:

and the other end of the temperature acquisition wire harness is fixedly connected with the temperature sampling interface.

In one embodiment, the CCS assembly further comprises:

the first fuse is connected in series in the temperature acquisition wire harness.

In one embodiment, the CCS assembly further comprises:

the plastic support, the aluminium row is fixed in on the plastic support, the plastic support still is provided with and is used for the holding the passageway of temperature acquisition pencil, be provided with in the passageway and be used for placing the holding chamber of first fuse.

In an embodiment, the accommodating cavity is provided with an opening, and the opening is used for communicating the first fuse to the external environment of the plastic bracket.

In an embodiment, the size of the opening matches the size of the first fuse.

In an embodiment, the first fuse is connected in series in the temperature acquisition wire harness through a welding process, and a heat shrinkage sleeve is wrapped at a welding point between the first fuse and the temperature acquisition wire harness.

In one embodiment, the CCS assembly further comprises:

the voltage acquisition wire harness is used for acquiring a current core voltage signal;

and the second fuse is connected in series in the voltage acquisition wire harness.

The embodiment of the utility model also provides a battery module, which comprises the CCS assembly.

The utility model provides a CCS component and a battery module, wherein the CCS component comprises: the aluminum row is provided with an opening; the thermistor terminal is provided with a head part and a tail part, the head part is in press fit connection with a thermistor piece, the thermistor piece is abutted against the surface of the aluminum row, the head part is also provided with a through hole, and the tail part is provided with a first plug connector; and a bolt passing through the through hole and inserted into the opening. According to the utility model, the head of the thermistor terminal is fixed by the bolt, and the other end of the thermistor terminal is connected by plugging, so that when the thermistor needs to be replaced, the plug connector is pulled out, and the bolt is unscrewed, so that the thermistor can be replaced, and the replacement difficulty of the thermistor is reduced.

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 description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of a partial plan configuration of a CCS assembly provided by an embodiment of the present utility model;

FIG. 2 is a schematic plan view of a CCS assembly according to an embodiment of the present utility model;

FIG. 3 is a schematic diagram of another partial plan view of a CCS assembly provided by an embodiment of the present utility model;

FIG. 4 is a schematic diagram of another planar configuration of a CCS assembly provided by an embodiment of the present utility model;

FIG. 5 is a schematic diagram of yet another partial plan view of a CCS assembly provided by an embodiment of the present utility model.

Reference numerals illustrate:

10. an aluminum row; 20. a thermistor terminal; 21. a head; 22. a first plug member; 23. a thermistor member; 30. a bolt; 40. a temperature acquisition wire harness; 41. a second plug member; 50. a temperature sampling interface; 60. a first fuse; 70. a receiving chamber; 80. a heat-shrinkable sleeve; 90. a plastic bracket; 100. a voltage acquisition harness; 110. a second fuse; 120. a channel.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to fall within the scope of the utility model. Furthermore, it should be understood that the detailed description is presented herein for purposes of illustration and description only, and is not intended to limit the utility model. In the present utility model, unless otherwise indicated, terms of orientation such as "upper" and "lower" are used to generally refer to the upper and lower positions of the device in actual use or operation, and specifically the orientation of the drawing figures; while "inner" and "outer" are for the outline of the device.

In order to reduce the replacement difficulty of the thermistor, the embodiment of the utility model provides a CCS assembly and a battery module, wherein the head of a thermistor terminal is fixed by a bolt, and the other end of the thermistor terminal is connected by plugging, so that when the thermistor needs to be replaced, the plugging piece is pulled out, and the bolt is unscrewed, so that the thermistor can be replaced, and the replacement difficulty of the thermistor is reduced. The specific scheme is described in detail below.

Referring to fig. 1, a CCS assembly according to an embodiment of the present utility model includes an aluminum row 10, a thermistor terminal 20, and a bolt 30.

The aluminum row 10 is provided with openings, which are generally circular holes. The bore is adapted to the bolt 30, e.g. the inner wall of the bore is provided with threads matching the bolt 30.

The thermistor terminals 20 are generally OT terminals, the heads of which are circular and the tails of which are cylindrical, and the appearance of which assumes an "OT" form, and are therefore called OT terminals. The thermistor terminal 20 has a head portion 21 and a tail portion, and the head portion 21 is crimped with the thermistor member 23 to ensure sufficient contact of the thermistor member 23 with the structure of the head portion 21. The head 21 is also provided with through holes through which bolts 30 can be passed and then inserted into the openings to effect the fixing of the head 21. And, because the bolt 30 is in the cooperation locking with the trompil, bolt 30 pushes down head 21 for thermistor spare 23 butt is on the surface of aluminium row 10, realizes the collection of temperature. The tail part is provided with a first plug connector 22, the first plug connector 22 is used for plug connection with a second plug connector 41, so that connection of a circuit is realized, and the tail part and the first plug connector 22 can be fixed through a welding process.

It can be seen that when the thermistor fails and needs to be replaced, the plug connection between the first plug connector 22 and the second plug connector 41 can be pulled out, the old thermistor terminal 20 can be detached by unscrewing the bolt 30, then the first plug connector 22 and the second plug connector 41 of the new thermistor terminal 20 are plug-connected, and the bolt 30 is screwed on, so that the replacement of the thermistor is realized.

In some embodiments of the present utility model, referring to FIG. 1, the CCS assembly further includes a temperature acquisition harness 40. One end of the temperature acquisition wire harness 40 is provided with a second plug connector 41, and the second plug connector 41 is used for being in plug connection with the first plug connector 22 so as to facilitate the transmission of the temperature signals of the battery cells.

In some embodiments of the present utility model, referring to FIG. 2, the CCS assembly further includes a temperature sampling interface 50, and the other end of the temperature acquisition harness 40 is fixedly connected to the temperature sampling interface 50. Thus, the temperature acquisition harness 40 can transmit the acquired battery cell temperature signal to the temperature sampling interface 50, and then the temperature sampling interface 50 can output the battery cell temperature signal to the outside, so as to realize the management of the battery cell temperature.

In some embodiments of the present utility model, since the temperature acquisition harness 40 may have an abnormal condition such as an overcurrent, the safety of the circuit is low, and thus referring to fig. 3, the ccs assembly further includes a first fuse 60, and the first fuse 60 is connected in series in the temperature acquisition harness 40. The first fuse 60 is a device for fusing the melt by heat generated by itself when the current in the temperature acquisition harness 40 exceeds a prescribed value, and breaking the circuit, so that the safety of the circuit can be improved.

In some embodiments of the present utility model, referring to fig. 2, 3 and 4, the ccs assembly further includes a plastic carrier 90, and the aluminum row 10 is fixed to the plastic carrier 90. The plastic bracket 90 is also provided with a channel 120 for receiving the temperature acquisition harness 40 to facilitate routing of the temperature acquisition harness 40. The passage 120 has a receiving cavity 70 for receiving the first fuse 60 therein to facilitate installation of the first fuse 60.

In some embodiments of the present utility model, the receiving cavity 70 is provided with an opening for communicating the first fuse 60 to the external environment of the plastic holder 90. Thus, after the first fuse 60 is blown and fails, the failed first fuse 60 can be directly taken out through the opening, so that the first fuse 60 can be replaced conveniently. Wherein the size of the opening matches the size of the first fuse 60 or the size of the opening is larger than the size of the first fuse 60.

In some embodiments of the present utility model, referring to fig. 3, the first fuse 60 is connected in series in the temperature acquisition wire harness 40 through a welding process, and a welding point between the first fuse 60 and the temperature acquisition wire harness 40 is wrapped with a heat shrinkage sleeve 80. The heat-shrinkable sleeve 80 plays roles of insulating protection, rust prevention, corrosion prevention and the like for welding points. In fig. 3, the first fuse 60 has welding points with the temperature acquisition wire harness 40 at both ends, and the welding points at both ends can wrap the heat shrinkage sleeve 80.

In some embodiments of the present utility model, the wire harness protection structure of the first fuse 60 described above may be applied to other wire harnesses in CCS assemblies, such as the voltage acquisition wire harness 100 in CCS assemblies, in addition to the temperature acquisition wire harness 40. Specifically, referring to fig. 5, the ccs assembly further includes a voltage acquisition harness 100 and a second fuse 110, the voltage acquisition harness 100 is used for acquiring a core voltage signal, and the second fuse 110 is connected in series with the voltage acquisition harness 100, so that protection of the voltage acquisition harness 100 can be achieved through the second fuse 110. It should be noted that, the second fuse 110 is disposed in a corresponding accommodating cavity of the second fuse 110, and the accommodating cavity of the second fuse 110 is also provided with a corresponding opening, so as to facilitate replacement of the second fuse 110.

In some embodiments of the present utility model, a battery module is further provided, where the battery module includes the CCS assembly according to any one of the embodiments above, so as to reduce the difficulty in replacing the thermistor.

The foregoing has outlined rather broadly the more detailed description of embodiments of the utility model in order that the detailed description of the principles and embodiments of the utility model may be implemented in conjunction with the detailed description of embodiments that follows, the above examples being provided to facilitate the understanding of the principles and concepts of the utility model; meanwhile, as those skilled in the art will have variations in the specific embodiments and application scope in light of the ideas of the present utility model, the present description should not be construed as limiting the present utility model.

Claims

1. A CCS assembly, the CCS assembly comprising:

the aluminum row is provided with an opening;

and a bolt passing through the through hole and inserted into the opening.

2. The CCS assembly of claim 1, wherein the CCS assembly further comprises:

3. The CCS assembly of claim 2, wherein the CCS assembly further comprises:

4. The CCS assembly of any one of claims 2 to 3, further comprising:

5. The CCS assembly of claim 4, wherein the CCS assembly further comprises:

6. The CCS assembly as claimed in claim 5, wherein said housing cavity is provided with an opening for communicating said first fuse to an external environment of said plastic carrier.

7. The CCS assembly of claim 6, wherein a size of the opening matches a size of the first fuse.

8. The CCS assembly as claimed in claim 4 wherein said first fuse is connected in series in said temperature acquisition harness by a welding process, a weld between said first fuse and said temperature acquisition harness being wrapped with a heat shrink.

9. The CCS assembly of claim 1, wherein the CCS assembly further comprises:

10. A battery module characterized in that the battery module comprises the CCS assembly of any one of claims 1 to 9.