CN212585868U

CN212585868U - Temperature sampling structure of battery module

Info

Publication number: CN212585868U
Application number: CN202020810503.6U
Authority: CN
Inventors: 韩文刚; 卢雨龙; 吴俊涛; 李阳; 王修远
Original assignee: FAW Group Corp
Current assignee: FAW Group Corp
Priority date: 2020-05-15
Filing date: 2020-05-15
Publication date: 2021-02-23
Anticipated expiration: 2030-05-15

Abstract

The utility model relates to the technical field of batteries, in particular to a temperature sampling structure of a battery module, which comprises a clamping column fixedly arranged on the battery module; one end of the temperature sampling sheet is provided with a bending part which can be abutted against the battery cell; the apron, with joint post joint, and press and establish on the temperature sampling piece, can make the portion of bending produces elastic deformation, thereby with the inseparable butt of electric core. The utility model discloses can be accurate sample the temperature of electric core.

Description

Temperature sampling structure of battery module

Technical Field

The utility model relates to a battery technology field especially relates to a temperature sampling structure of battery module.

Background

The battery module is the core component of battery system among the electric automobile, and the temperature of electric core in the battery module is battery system's core parameter, consequently, the temperature sampling to electric core temperature directly influences electric automobile's performance and security. When the electric vehicle runs or is charged, the battery core can generate a large amount of heat, so that the temperature of the battery module rises, and the thermal runaway of the battery pack can be caused by overhigh temperature; the battery works at low temperature to cause internal damage of the battery core, and the service life of the battery pack is shortened. Therefore, the temperature of the battery cell needs to be accurately sampled.

Mostly carry out the temperature sampling with the busbar through the laser welding mode with the temperature sampling piece among the prior art, the reliability that the temperature sampling piece is connected with electric core is relatively poor, leads to the temperature of unable accuracy to electric core to sample.

Therefore, a temperature sampling structure of a battery module is needed to solve the above-mentioned problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a temperature sampling structure of battery module can be accurate samples the temperature of electric core.

To achieve the purpose, the utility model adopts the following technical proposal:

a temperature sampling structure of a battery module includes:

the clamping column is fixedly arranged on the battery module;

one end of the temperature sampling sheet is provided with a bending part which can be abutted against the battery cell;

the apron, with joint post joint, and press and establish on the temperature sampling piece, can make the portion of bending produces elastic deformation, thereby with the inseparable butt of electric core.

Optionally, the cover plate is provided with a positioning hole, and the clamping column penetrates through the positioning hole and is clamped with the cover plate.

Optionally, the joint post includes first half post and second half post that the interval set up relatively, it is protruding to be provided with first joint on the first half post, it is protruding to be provided with the second joint on the second half post, first half post with the second half post is worn to locate during the locating hole, first joint protruding with the second joint protruding all with the apron joint.

Optionally, the positioning holes are provided in plural, and the clamping columns are arranged in one-to-one correspondence with the positioning holes.

Optionally, the temperature sampling sheet includes a horizontal portion, one end of the horizontal portion is provided with the bending portion, and the cover plate is pressed on the horizontal portion.

Optionally, the cover plate is provided with a positioning groove, and the horizontal portion is disposed in the positioning groove.

Optionally, a buffer pad is disposed on a side of the positioning groove facing the horizontal portion.

Optionally, the material of the cushion pad is rubber.

Optionally, one end of the horizontal portion, which is far away from the bending portion, is provided with a temperature probe.

Optionally, the bending portion includes a connecting portion and an abutting portion, one end of the connecting portion is vertically connected to the horizontal portion, the abutting portion is connected to the other end of the connecting portion, and an included angle between the abutting portion and the connecting portion is an obtuse angle.

The utility model has the advantages that:

the utility model provides a temperature sampling structure of battery module through apron and joint post joint, and the apron is pressed and is established on the temperature sampling piece simultaneously, and the one end of temperature sampling piece is provided with the portion of bending, presses when establishing on the temperature sampling piece when the apron, and the butt of bending is on electric core, and produces elastic deformation to closely the butt with electric core. Through the arrangement, the reliability of connection of the temperature sampling sheet and the battery cell is ensured, so that accurate sampling of the temperature of the battery cell is realized.

Drawings

Fig. 1 is an assembly diagram of a temperature sampling structure of a battery module according to the present invention;

fig. 2 is an exploded view of the temperature sampling structure of the battery module according to the present invention.

In the figure:

1-cover plate; 11-a positioning hole; 12-positioning grooves; 2-temperature sampling sheet; 21-a horizontal portion; 22-bending part; 221-a connecting portion; 222-an abutment; 3-clamping the column; 31-first half-column; 311-a first clamping projection; 32-a second half-column; 321-a second clamping bulge; and 4-electric core.

Detailed Description

The technical solution of the present invention will be further explained with reference to the accompanying drawings and embodiments. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some but not all of the elements related to the present invention are shown in the drawings.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection or a removable connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In order to improve the reliability that temperature sampling piece and electric core are connected, can accurately sample the temperature of electric core simultaneously, as shown in fig. 1 and fig. 2, the utility model provides a temperature sampling structure of battery module. This temperature sampling structure of battery module includes: the temperature sampling device comprises a clamping column 3, a temperature sampling sheet 2 and a cover plate 1, wherein the clamping column 3 is fixedly arranged on a battery module; one end of the temperature sampling sheet 2 is provided with a bending part 22, and the bending part 22 can be abutted against the battery cell 4; the 1 joint of apron post 3 joint, and press and establish on temperature sampling piece 2, can make the portion of bending 22 produce elastic deformation to with the inseparable butt of electric core 4.

Through

apron

1 and 3 joints of joint post, apron 1 pressure is established on temperature sampling piece 2 simultaneously, and the one end of temperature sampling piece 2 is provided with the portion of bending 22, when apron 1 pressure is established on temperature sampling piece 2, the portion of bending 22 butt on electric core 4, and produce elastic deformation to closely the butt with electric core 4. Through the arrangement, the reliability of connection of the temperature sampling sheet 2 and the battery cell 4 is ensured, so that accurate sampling of the temperature of the battery cell 4 is realized. Adopt

apron

1 and 3 joints of joint post simultaneously, conveniently assemble the temperature sampling structure of this battery module, reduced the installation degree of difficulty.

Furthermore, the cover plate 1 is provided with a positioning hole 11, and the clamping column 3 penetrates through the positioning hole 11 and is clamped with the cover plate 1. Specifically, joint post 3 includes first half post 31 and the half post 32 of second that the interval set up relatively, is provided with first joint arch 311 on the first half post 31, is provided with the protruding 321 of second joint on the half post 32 of second, and first half post 31 and half post 32 of second wear to locate locating hole 11 time, first joint arch 311 and the protruding 321 and apron 1 joint of second joint.

In the present embodiment, the diameter of the locking post 3 composed of the first half-post 31 and the second half-post 32 is smaller than the diameter of the positioning hole 11; the distance between the first clamping protrusion 311 and the second clamping protrusion 321 is greater than the diameter of the positioning hole 11. When joint post 3 and apron 1 joint, first half post 31 and second half post 32 are close to each other and produce elastic deformation, and joint post 3 wears to establish back in locating hole 11, and first half post 31 and second half post 32 produce elastic deformation and resume, and the protruding 311 and the protruding 321 equal joint of second joint is in the one side of keeping away from temperature sampling piece 2 of apron 1. Adopt

joint post

3 and 1 joint of apron, the connected mode is simple, convenient to detach.

Further, in order to ensure that the cover plate 1 is stable after being pressed on the temperature sampling sheet 2, the positioning holes 11 are formed in a plurality, and the clamping columns 3 are arranged in one-to-one correspondence with the positioning holes 11. Through a plurality of locating holes 11 and the joint of joint post 3 for the stability of apron 1 can improve.

Furthermore, the temperature sampling sheet 2 comprises a horizontal part 21, one end of the horizontal part 21 is provided with a bending part 22, and the cover plate 1 is pressed on the horizontal part 21. The bending portion 22 includes a connecting portion 221 and an abutting portion 222, one end of the connecting portion 221 is vertically connected to the horizontal portion 21, the abutting portion 222 is connected to the other end of the connecting portion 221, and an included angle between the abutting portion 222 and the connecting portion 221 is an obtuse angle. When butt portion 222 and electric core 4 butt, press through apron 1 and establish on horizontal part 21 for butt portion 222 produces elastic deformation, and under the effect of elastic restoring force, butt portion 222 and electric core 4 zonulae occludens guarantee the temperature of accurate collection electric core 4.

Further, the cover plate 1 is provided with a positioning groove 12, and the horizontal portion 21 is disposed in the positioning groove 12. The position of the horizontal portion 21 can be defined by providing the positioning groove 12, and the relative position stability of the horizontal portion 21 is ensured. In order to prevent the horizontal portion 21 from being scratched by the pressing of the cover plate 1 on the horizontal portion 21, optionally, in the present embodiment, a cushion pad is provided on the side of the positioning groove 12 facing the horizontal portion 21. Specifically, the material of the cushion pad is rubber. Rigid contact between the cover plate 1 and the horizontal portion 21 is avoided by providing a cushion pad, thereby protecting the horizontal portion 21.

Further, a temperature probe is disposed at one end of the horizontal portion 21 away from the bent portion 22. The temperature of the abutting portion 222 abutting against the battery core 4 is acquired by the temperature probe, and the temperature signal is transmitted to the battery control and management system.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. The utility model provides a temperature sampling structure of battery module which characterized in that includes:

the clamping column (3) is fixedly arranged on the battery module;

the temperature sampling sheet (2), one end of the temperature sampling sheet (2) is provided with a bending part (22), and the bending part (22) can be abutted against the battery cell (4);

apron (1), with joint post (3) joint, and press and establish on temperature sample piece (2), can make bend portion (22) and produce elastic deformation, thereby with electric core (4) inseparable butt.

2. The temperature sampling structure of the battery module as set forth in claim 1, wherein the cover plate (1) is provided with a positioning hole (11), and the clamping column (3) is inserted into the positioning hole (11) and clamped with the cover plate (1).

3. The temperature sampling structure of a battery module according to claim 2, characterized in that the clamping column (3) comprises a first half column (31) and a second half column (32) which are oppositely arranged at intervals, a first clamping protrusion (311) is arranged on the first half column (31), a second clamping protrusion (321) is arranged on the second half column (32), and when the first half column (31) and the second half column (32) penetrate through the positioning hole (11), the first clamping protrusion (311) and the second clamping protrusion (321) are clamped with the cover plate (1).

4. The temperature sampling structure of a battery module according to claim 3, wherein a plurality of positioning holes (11) are formed, and the clamping posts (3) and the positioning holes (11) are arranged in a one-to-one correspondence manner.

5. The temperature sampling structure of a battery module according to claim 1, wherein the temperature sampling sheet (2) comprises a horizontal portion (21), one end of the horizontal portion (21) is provided with the bending portion (22), and the cover plate (1) is pressed on the horizontal portion (21).

6. The temperature sampling structure of a battery module according to claim 5, wherein the cover plate (1) is provided with a positioning groove (12), and the horizontal portion (21) is disposed in the positioning groove (12).

7. The temperature sampling structure of a battery module according to claim 6, wherein a buffer pad is provided at one side of the positioning groove (12) facing the horizontal part (21).

8. The temperature sampling structure of a battery module according to claim 7, wherein the cushion is made of rubber.

9. The temperature sampling structure of a battery module according to claim 5, wherein a temperature probe is disposed at one end of the horizontal portion (21) away from the bent portion (22).

10. The temperature sampling structure of a battery module according to claim 5, wherein the bending portion (22) comprises a connecting portion (221) and an abutting portion (222), one end of the connecting portion (221) is vertically connected to the horizontal portion (21), the abutting portion (222) is connected to the other end of the connecting portion (221), and an included angle between the abutting portion (222) and the connecting portion (221) is an obtuse angle.