CN220830091U

CN220830091U - Sampling structure, battery module and battery pack

Info

Publication number: CN220830091U
Application number: CN202322476015.2U
Authority: CN
Inventors: 许杰城; 何宗浩; 杜国球; 吉志宽; 赵文斌; 曹雅倩
Original assignee: Zhuhai Cosmx Power Co Ltd
Current assignee: Zhuhai Cosmx Power Co Ltd
Priority date: 2023-09-12
Filing date: 2023-09-12
Publication date: 2024-04-23
Anticipated expiration: 2033-09-12

Abstract

The application provides a sampling structure, a battery module and a battery pack, wherein the sampling structure comprises: the sampling plate comprises a plate body and a connector arranged on the plate body, wherein the connector is electrically connected with the temperature monitoring terminal and the voltage monitoring terminal through signal wires respectively; the electrode lug support is provided with a first hole and a second hole, the sampling plate is arranged on one side of the electrode lug support, the temperature monitoring tail end penetrates through the first hole and extends to the other side of the electrode lug support far away from the plate body, and the voltage monitoring tail end is opposite to the second hole. The first hole on the lug support is opposite to the temperature monitor, so that the length of a signal wire connected with the temperature monitor is shortened, and wiring of the signal wire is simplified. The second hole is arranged opposite to the voltage monitor, so that the battery cell vertically penetrates out of the lug support and is connected with the voltage monitor, and the monitoring of the internal voltage of the battery cell is simpler.

Description

Sampling structure, battery module and battery pack

Technical Field

The application relates to the technical field of power batteries, in particular to a sampling structure, a battery module and a battery pack.

Background

With the increasing use rate of batteries, the safety problem of batteries is widely focused, and therefore, the sampling of the data in the batteries is particularly important, but the existing sampling structure is complex to install, and the sampling process is not facilitated.

Disclosure of utility model

In view of this, the present application provides a sampling structure, which solves the complexity of the sampling structure and simplifies the sampling process. In addition, the application also provides a battery module with the sampling structure and a battery pack with the battery module.

In order to achieve the above purpose, the present application provides the following technical solutions:

a sampling structure, comprising:

The sampling plate comprises a plate body, and a connector, a temperature monitoring terminal and a voltage monitoring terminal which are arranged on the plate body, wherein the connector is respectively and electrically connected with the temperature monitoring terminal and the voltage monitoring terminal through signal wires;

The electrode lug support is provided with a first hole and a second hole, the sampling plate is arranged on one side of the electrode lug support, the temperature monitoring tail end penetrates through the first hole and extends to the other side, far away from the plate body, of the electrode lug support, and the voltage monitoring tail end is opposite to the second hole.

Optionally, in the above sampling structure, the sampling plate is provided with a plurality of voltage monitoring terminals and a plurality of temperature monitoring terminals;

a plurality of wire clamping parts are further arranged on the plate body at intervals along the length direction of the plate body;

Each wire clamping part comprises a plurality of clamping grooves which are arranged in an array, and each signal wire is clamped in any clamping groove.

Optionally, in the above sampling structure, the plate body is provided with a plurality of heat dissipation holes, and any one of the heat dissipation holes is located between adjacent clamping grooves.

Optionally, in the above sampling structure, a plurality of protruding portions arranged at intervals are provided at an edge of a side of the board body away from the connector, and a limiting groove is formed in each protruding portion;

The voltage monitoring terminal is a nickel sheet, and the nickel sheet is embedded in the limiting groove.

Optionally, in the above sampling structure, the plate body is further provided with a plurality of fixing members, and the plurality of fixing members are distributed at equal intervals along the length direction of the plate body, and the fixing members fix the temperature monitoring terminal.

Optionally, in the above sampling structure, the fixing member is disposed along a direction perpendicular to a plane where the plate body is located, and a cross section of the fixing member is C-shaped.

Optionally, in the above sampling structure, the sampling plate is detachably connected with the tab bracket.

Optionally, in the above sampling structure, the connector is disposed at an edge of one side of the plate body, and a cross section of the connector is L-shaped;

The connector comprises a receiving opening and a transmission opening, wherein the signal wire is electrically connected with the receiving opening, and the receiving opening and the transmission opening are respectively positioned at two ends of the connector.

The battery module comprises the sampling structure and the battery cell module, wherein the battery cell module comprises a plurality of battery cells which are arranged in a stacked mode, and two sampling structure images are arranged on two sides of the battery cell module.

A battery pack comprising the battery module, a housing, an electric control module and a liquid cooling module.

The application provides a sampling structure, which comprises a sampling plate and a lug support, wherein the sampling plate is arranged on one side of the lug support, the sampling plate comprises a plate body, and a connector, a temperature monitoring tail end and a voltage monitoring tail end which are arranged on the plate body, and the connector is respectively and electrically connected with the temperature monitoring tail end and the voltage monitoring tail end through signal wires so as to realize the transmission of temperature signals and voltage signals in a battery cell. The electrode lug support is provided with a first hole and a second hole, the first hole is opposite to the temperature monitoring tail end and allows the temperature monitoring tail end to pass through so as to be close to the position where the battery cell is arranged, the electrode lug support is used for monitoring the temperature inside the battery cell, the voltage monitoring tail end is opposite to the second hole and allows the electrode lug of the battery cell to pass through the second hole, and the voltage monitoring tail end is in contact with the electrode lug of the battery cell so as to monitor the voltage inside the battery cell. The first hole on the lug support is opposite to the temperature monitor, so that the length of a signal wire connected with the temperature monitor is shortened, and wiring of the signal wire is simplified. The second hole is arranged opposite to the voltage monitor, so that the battery cell vertically penetrates out of the lug support and is connected with the voltage monitor, and the monitoring of the internal voltage of the battery cell is simpler.

Meanwhile, in the prior art, when the temperature and the voltage inside the battery cell are monitored, a sampling plate is not used, and after the lug support and the battery cell are assembled, a worker is used for installing a sampling component for sampling the temperature and the voltage inside the battery cell on the lug support on site, and the worker on site is not dedicated to the installation work of the sampling component, so that the whole process consumes longer time and has higher working hour unit price, and the installation cost is higher. In the application, the sampling plate can be integrated by using a supplier after being designed, the supplier has a worker who engages in the installation of the sampling component in full time, the working experience is rich, the working hour unit price is low, and the installation of the sampling component can be efficiently completed, so that the installation cost is reduced.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present application, and that other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of a sampling plate according to an embodiment of the present application;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

FIG. 3 is a front view of a sampling plate;

FIG. 4 is a front view of a tab holder;

FIG. 5 is a partial enlarged view at B in FIG. 4;

Fig. 6 is a schematic structural view of a battery module.

In fig. 1-6:

1. A plate body; 2. a connector; 3. a temperature monitoring terminal; 4. a voltage monitoring terminal; 5. a wire clamping part; 6. a clamping groove; 7. a protruding portion; 8. a fixing member; 9. a first hole; 10. a second hole; 11. sampling plate; 12. a tab support; 13. a battery module; 14. a receiving port; 15. a transmission port.

Detailed Description

The application provides a sampling structure, which solves the complexity of the sampling structure and simplifies the sampling process. In addition, the application also provides a battery module with the sampling structure and a battery pack with the battery module.

The following description of the embodiments of the present application 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 application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.

As shown in fig. 1 to 6, an embodiment of the present application provides a sampling structure including a sampling plate 11 and a tab bracket 12, the sampling plate 11 being disposed at one side of the tab bracket 12. Specifically, the sampling board 11 includes a board body 1, and a connector 2, a temperature monitor 3 and a voltage monitor 4 disposed on the board body 1, where the connector 2 is connected to the temperature monitor 3 and the voltage monitor 4 through signal lines respectively to transmit a voltage signal and a temperature signal inside the battery cell. Be provided with first hole 9 and second hole 10 on the utmost point ear support 12, wherein, first hole 9 allows temperature monitor 3 to pass to be close to electric core setting position, in order to realize the monitoring to the inside temperature of electric core, second hole 10 aligns setting with voltage monitor 4, so that the utmost point ear of electric core can pass second hole 10 and be connected with voltage monitor 4 contact, realizes the monitoring to the inside voltage of electric core. The first hole 9 on the lug support 12 is opposite to the temperature monitor 3, so that the length of a signal wire connected with the temperature monitor 3 is shortened, and the trend of the signal wire is simplified. The second hole 10 is opposite to the voltage monitor 4, so that the battery cell vertically penetrates out of the tab bracket 12 and is connected with the voltage monitor 4, and the monitoring of the internal voltage of the battery cell is simpler.

Meanwhile, in the using process of the battery cell, the internal temperature and voltage can change, the change condition of the temperature and voltage in the battery cell also represents the health condition of the battery cell, in order to know the health condition of the battery cell in time, in the prior art, after the battery cell and the tab bracket 12 are assembled, a follow-up worker installs a sampling component for monitoring the internal temperature and voltage of the battery cell on the tab bracket 12 so as to monitor the health condition of the battery cell, and because the on-site worker does not perform the installation work of the sampling component, the installation difficulty is increased due to the fact that the installation of the sampling component on the tab bracket 12, the whole installation process consumes longer time, the unit price of the worker is higher, and the installation cost is higher.

In the application, the sampling plate 11 can be integrated by a supplier after the design, the supplier has a worker who engages in the installation of the sampling assembly in full time, the working experience is rich, the working hour unit price is low, the installation of the sampling plate 11 can be efficiently completed, the installation cost is reduced, and meanwhile, the number and the positions of the connectors 2, the temperature monitors 3 and the voltage monitors 4 arranged on the plate body 1 of the sampling plate 11 can be arranged according to the requirements, so that the positions of all the components are clear, the routing of signal wires is orderly, and the maintenance and the overhaul of the sampling plate 11 are convenient.

Further, as shown in fig. 1 and 3, a plurality of voltage monitors 4 and a plurality of temperature monitors 3 are provided on the sampling plate 11. The battery module is internally provided with a plurality of battery cells for more accurately monitoring the temperature and the voltage in the battery cells, so that the battery module is provided with a plurality of voltage monitors 4 and battery cell monitors so as to ensure that temperature signals and voltage signals can accurately react to the health conditions in the battery cells.

Meanwhile, a plurality of wire clamping parts 5 are arranged on the plate body 1 at intervals along the length direction of the plate body 1; each wire clamping part 5 comprises a plurality of clamping grooves 6 which are arranged in an array, and each signal wire is clamped in any clamping groove 6. The connector 2 is connected with the temperature monitors 3 and the voltage monitors 4 through signal wires, so that a plurality of signal wires are visible, the signal wires are easy to overlap and cross when arranged on the board body 1, wiring of the signal wires is not facilitated, the wire clamping part 5 is arranged to improve the uniformity of wiring of the signal wires, working hours of delay caused by unknown wiring of the signal wires are reduced, and labor cost is reduced. The arrangement of the plurality of wire clamping parts 5 enables the signal wires to selectively pass through the wire clamping parts 5 according to the arrangement positions, each wire clamping part 5 comprises a plurality of clamping grooves 6, and the signal wires can be fixed in the clamping grooves 6 to strengthen the fixation of the signal wires. The wire clamping portion 5 may not be provided along the longitudinal direction of the board body 1, and may be fixed to the board body 1 by gluing along the direction of the signal wire.

Further, the plate body 1 is provided with a plurality of heat dissipation holes, and any heat dissipation hole is positioned between the adjacent clamping grooves 6. Be provided with a plurality of signal lines on the plate body 1, the signal line links to each other with temperature monitor 3 and voltage monitor 4 respectively, and signal line transmission signal's in-process can give off a large amount of heat, in addition, temperature monitor 3 and voltage monitor 4 during operation also produce higher heat to it is visible, gather a plurality of heating elements on the plate body 1, the setting of louvre does benefit to the heat on the plate body 1 and dredges, thereby avoids each part to drop because of the function that the heat gathers leads to. In addition, the plurality of heat dissipation holes provided in the plate body 1 may be distributed randomly, not between the adjacent card slots 6.

In an alternative embodiment, as shown in fig. 1-3, a plurality of protruding parts 7 are arranged at intervals at the edge of one side of the board body 1 away from the connector 2, and limit grooves are formed in the protruding parts 7; the voltage monitor 4 is a nickel plate which is embedded in the limit groove. The board body 1 is provided with two edge areas which are oppositely arranged, namely a first edge area and a second edge area, wherein the first edge area is provided with a connector 2, the second edge area is provided with a protruding part 7 protruding in the length direction of the board body 1 at intervals, the position and the number of the protruding part 7 are the same as those of the nickel sheets, and a limiting groove is formed in the protruding part 7 and used for embedding the voltage monitor 4, wherein the voltage monitor 4 is a nickel sheet, namely the nickel sheet is embedded in the limiting groove, the limiting groove is in a convex shape and is matched with the shape of the nickel sheet connected with a signal line, the fixation of the nickel sheet is facilitated, and glue filling treatment can be carried out in a gap between the limiting groove and the nickel sheet for strengthening the fixation of the nickel sheet. In addition, instead of providing a plurality of protruding portions 7 arranged at intervals at the edge of the side of the board body 1 away from the connector 2, the nickel plate may be adhered to the board body 1 corresponding to the tab position of the battery cell.

In an alternative embodiment, the plate body 1 is further provided with a plurality of fixing members 8, the plurality of fixing members 8 are distributed at equal intervals along the length direction of the plate body 1, and the fixing members 8 fix the temperature monitor 3. In the application, the temperature monitor 3 is a temperature probe, and the fixing member 8 is used for fixing the temperature probe, which means that the temperature probes are distributed at equal intervals in the length direction of the plate body 1, for example, the temperature probes are provided with three, and the temperature of the battery cells in different areas can be respectively monitored so as to master the overall temperature condition of the battery cells. In other embodiments, the fixing members 8 on the board body 1 may be randomly distributed to monitor the cell temperature in the area where the fixing members 8 are located.

Further, as shown in fig. 1 to 5, the fixing member 8 is disposed along a direction perpendicular to the plane of the plate body 1, and the cross section of the fixing member 8 is C-shaped. The signal line is connected with the temperature monitor 3, and the temperature monitor 3 is fixed through the fixing piece 8, generally, the fixing piece 8 fixes the temperature monitor 3 at a position perpendicular to the plate body 1 through the fixing signal line, so that the temperature monitor 3 vertically passes through the first hole 9, specifically, the position of the signal line clamped by the fixing piece 8 is close to the position where the temperature monitor 3 exists, so that the temperature monitor 3 can vertically pass through the first hole 9 to reach the position where the battery cell is located. The cross section shape of the fixing piece 8 is C-shaped and is matched with the diameter of the signal wire so as to be convenient for better fixing the signal wire and the temperature probe, after the signal wire is fixed by the fixing piece 8, the signal wire passes through the notch of the C-shaped, so that the extrusion of the signal wire is avoided, and the normal work of the signal wire is ensured. The cross-sectional shape of the fixing member 8 may be a U-shape instead of a C-shape, and the signal may be passed through a U-shaped notch after being newly fixed.

In an alternative embodiment, as shown in fig. 1 and 4, the sampling plate 11 is removably attached to the tab support 12. In the present application, one side of the sampling plate 11, which is disposed near the connector 2, is connected to the tab support 12 by a buckle, a hole is disposed on one side of the sampling plate 11, which is disposed far from the connector 2, and a hole is also disposed on the tab support 12 corresponding to the position of the hole disposed on the sampling plate 11, that is, one side of the sampling plate, which is disposed far from the connector 2, the sampling plate 11 and the tab support 12 pass through the hole by a bolt or a bolt, and the sampling plate 11 and the tab support 12 are connected together. The sampling plate 11 is detachably connected with the lug support 12, so that maintenance and overhaul of each part on the sampling plate 11 are facilitated, and convenience is brought to maintenance and overhaul of the sampling plate 11. The sampling plate 11 and the tab holder 12 may be connected by welding.

In an alternative embodiment, as shown in fig. 1 and 3, the connector 2 is disposed at one side edge of the board 1, and the cross-sectional shape of the connector 2 is L-shaped, that is, the connector 2 has a bent portion with respect to the board 1, and the occupation of the height space is reduced after the connector 2 is bent.

Meanwhile, the connector 2 includes a receiving opening 14 and a transmitting opening 15, the signal line is electrically connected to the receiving opening 14, and the receiving opening 14 and the transmitting opening 15 are respectively located at two ends of the connector 2. The connector 2 is L-shaped, receiving ports 14 for receiving temperature signals and voltage signals and transmission ports 15 for transmitting the temperature signals and the voltage signals are respectively arranged at two ends of the L-shaped, the receiving ports 14 are connected with a plurality of signal wires, the temperature and the voltage in the battery core are collected and summarized, the summarized temperature and voltage are transmitted to the transmission ports 15, and the temperature and the voltage are transmitted to the outside through the transmission ports 15 so as to grasp the health condition of the battery core in time. The arrangement of the receiving port 14 and the transmitting port 15 simplifies the components used in the transmission of the temperature signal and the voltage signal, and saves the space occupation.

In addition, as shown in fig. 6, the embodiment of the application further provides a battery module 13, where the battery module 13 includes the above-mentioned sampling structure and a battery cell module, and the battery cell module includes a plurality of battery cells stacked and disposed, and the sampling structure is mirror-image disposed on two sides of the battery cell module, and it is to be noted that the transmission ports 15 of the connectors 2 on the mirror-image disposed sampling structure are disposed opposite to each other, so as to reduce space occupation. The beneficial effects of the above-mentioned sampling structure of the battery module 13 are referred to the description of the above-mentioned sampling structure, and are not repeated here.

Based on the above battery module 13, the embodiment of the application further provides a battery pack, which comprises the above battery module 13, a housing, an electric control module and a liquid cooling module. The beneficial effects of the battery pack brought by the battery module 13 are described in the above description of the battery module 13, and are not repeated here.

The basic principles of the present application have been described above in connection with specific embodiments, but it should be noted that the advantages, benefits, effects, etc. mentioned in the present application are merely examples and not intended to be limiting, and these advantages, benefits, effects, etc. are not to be construed as necessarily possessed by the various embodiments of the application. Furthermore, the specific details disclosed herein are for purposes of illustration and understanding only, and are not intended to be limiting, as the application is not necessarily limited to practice with the above described specific details.

The block diagrams of the devices, apparatuses, devices, systems referred to in the present application are only illustrative examples and are not intended to require or imply that the connections, arrangements, configurations must be made in the manner shown in the block diagrams. As will be appreciated by one of skill in the art, the devices, apparatuses, devices, systems may be connected, arranged, configured in any manner. Words such as "including," "comprising," "having," and the like are words of openness and mean "including but not limited to," and are used interchangeably therewith. The terms "or" and "as used herein refer to and are used interchangeably with the term" and/or "unless the context clearly indicates otherwise. The term "such as" as used herein refers to, and is used interchangeably with, the phrase "such as, but not limited to.

It is also noted that in the apparatus, devices and methods of the present application, the components or steps may be disassembled and/or assembled. Such decomposition and/or recombination should be considered as equivalent aspects of the present application.

The previous description of the disclosed aspects is provided to enable any person skilled in the art to make or use the present application. Various modifications to these aspects will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other aspects without departing from the scope of the application. Thus, the present application is not intended to be limited to the aspects shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

It should be understood that the terms "first", "second", "third", "fourth", "fifth" and "sixth" used in the description of the embodiments of the present application are used for more clearly describing the technical solutions, and are not intended to limit the scope of the present application.

The foregoing description has been presented for purposes of illustration and description. Furthermore, this description is not intended to limit embodiments of the application to the form disclosed herein. Although a number of example aspects and embodiments have been discussed above, a person of ordinary skill in the art will recognize certain variations, modifications, alterations, additions, and subcombinations thereof.

Claims

1. A sampling structure, comprising:

The sampling plate comprises a plate body, and a connector, a temperature monitor and a voltage monitor which are arranged on the plate body, wherein the connector is electrically connected with the temperature monitor and the voltage monitor through signal wires respectively;

The electrode lug support is provided with a first hole and a second hole, the sampling plate is arranged on one side of the electrode lug support, the temperature monitor penetrates through the first hole and extends to the other side of the electrode lug support away from the plate body, and the voltage monitor is arranged opposite to the second hole.

2. The sampling structure of claim 1, wherein a plurality of said voltage monitors and a plurality of said temperature monitors are disposed on said sampling plate;

3. The sampling structure according to claim 2, wherein a plurality of heat dissipation holes are formed in the plate body, and any one of the heat dissipation holes is located between adjacent clamping grooves.

4. The sampling structure according to claim 1, wherein a plurality of protruding portions arranged at intervals are arranged at an edge of one side of the plate body away from the connector, and limiting grooves are formed in the protruding portions;

The voltage monitor is a nickel sheet, and the nickel sheet is embedded in the limit groove.

5. The sampling structure according to claim 1, wherein the plate body is further provided with a plurality of fixing members, the plurality of fixing members are distributed at equal intervals along the length direction of the plate body, and the fixing members fix the temperature monitor.

6. The sampling structure of claim 5, wherein the fixing member is disposed along a direction perpendicular to a plane of the plate body, and the fixing member has a C-shaped cross-section.

7. The sampling structure of claim 1, wherein the sampling plate is removably connected to the tab support.

8. The sampling structure according to claim 1, wherein the connector is provided at one side edge of the plate body, and the connector has an L-shape in cross-section;

9. A battery module, characterized by comprising the sampling structure and the battery cell module according to any one of claims 1-8, wherein the battery cell module comprises a plurality of battery cells which are arranged in a stacked manner, and two sampling structures are arranged on two sides of the battery cell module in a mirror image manner.

10. A battery pack comprising the battery module, the housing, the electronic control module, and the liquid cooling module according to claim 9.