CN214251056U

CN214251056U - NTC sensor fixing device and battery module

Info

Publication number: CN214251056U
Application number: CN202120588500.7U
Authority: CN
Inventors: 杨晓伟; 何亚飞
Original assignee: Envision Power Technology Jiangsu Co Ltd; Envision Ruitai Power Technology Shanghai Co Ltd
Current assignee: Envision Power Technology Jiangsu Co Ltd; Envision Ruitai Power Technology Shanghai Co Ltd
Priority date: 2021-03-23
Filing date: 2021-03-23
Publication date: 2021-09-21
Anticipated expiration: 2031-03-23

Abstract

The utility model belongs to the technical field of batteries, and discloses an NTC sensor fixing device and a battery module, which comprises a sensor, an isolation plate and a cover plate, wherein the sensor is fixedly arranged on a flexible circuit board and is electrically connected with the flexible circuit board; the isolation plate is made of flexible materials and is fixedly arranged above the battery cell; the isolation plate is provided with a mounting groove, a through hole is formed in the bottom of the mounting groove, the flexible circuit board is fixedly mounted on the isolation plate, and the sensor is arranged in the through hole; the apron can the lock in the mounting groove, can compress tightly fixed sensor, and this NTC sensor fixing device can reduce the clearance between sensor and electric core, guarantees the inseparable laminating of sensor and electric core. Furthermore, the utility model also discloses a battery module has used above-mentioned NTC sensor fixing device, has strengthened the fixed reliability of sensor in the battery module.

Description

NTC sensor fixing device and battery module

Technical Field

The utility model relates to a battery technology field especially relates to a NTC sensor fixing device and battery module.

Background

The fixed mode of current NTC sensor often takes to sticis fixed mode, as shown in FIG. 1, utilize NTC apron 100 and the fixed NTC sensor of support cooperation on the division board 200 of moulding plastics, but because of the division board 200 quality of moulding plastics is heavy, thickness is thick, the plane degree is poor and can not be adjusted after the installation, when NTC apron 100 lock is on the division board 200 of moulding plastics, make NTC sensor and the electric core of its below have the clearance, can not effectively guarantee the inseparable laminating of NTC sensor and electric core, the fixed reliability of NTC sensor has been reduced, lead to NTC sensor to measure a series of problems such as inaccurate.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a NTC sensor fixing device and battery module guarantee the inseparable laminating of sensor and electric core, strengthen the fixed reliability of sensor.

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

in one aspect, the utility model provides a NTC sensor fixing device, include:

the sensor is fixedly arranged on the flexible circuit board and is electrically connected with the flexible circuit board;

the isolation plate is made of flexible materials and is fixedly arranged above the battery cell; the isolation plate is provided with a mounting groove, a through hole is formed in the bottom of the mounting groove, the flexible circuit board is fixedly mounted on the isolation plate, and the sensor is arranged in the through hole; and

the cover plate can be buckled in the mounting groove and can be used for compressing and fixing the sensor.

As the utility model discloses a preferred structure, mounting groove length direction's both ends respectively are provided with a location boss, apron length direction's both ends respectively are provided with a fixed buckle, two fixed buckle and two location boss one-to-one, be provided with the joint hole on the boss of location, fixed buckle can with joint hole joint.

As an optimized structure of the present invention, the fixing buckle is made of an elastic material.

As a preferred structure of the utility model, fixed buckle includes two joint spare, two the joint spare is relative and the interval sets up.

As an optimized structure of the utility model, the joint piece is provided with a guide inclined plane.

As the utility model discloses a preferred structure, be provided with the boss on the apron, the apron lock in during in the mounting groove, the boss stretches into the through-hole is fixed to be compressed tightly the sensor.

As an optimized structure of the utility model, the area of the through hole is larger than or equal to the area of the boss.

As a preferred structure of the utility model, the division board bottom is provided with the double faced adhesive tape, the division board passes through the double faced adhesive tape with the laminating of electricity core upper surface.

As a preferred structure of the utility model, the mounting groove with the apron is provided with two, two respectively the mounting groove and two the apron one-to-one.

On the other hand, the utility model also provides a battery module, including foretell NTC sensor fixing device.

The utility model has the advantages that: the utility model discloses a NTC sensor fixing device's division board is made by flexible material, is provided with mounting groove and through-hole on the division board, and the sensor is adorned admittedly on flexible circuit board, and arranges this through-hole in, compresses tightly fixed sensor through the mode of lock, reduces the clearance between sensor and electric core, guarantees the inseparable laminating of sensor and electric core. Furthermore, the utility model also provides a battery module has used above-mentioned NTC sensor fixing device, has strengthened the fixed reliability of sensor in the battery module.

Drawings

Fig. 1 is a schematic view of a conventional NTC sensor fixing connection manner;

fig. 2 is an installation schematic view of the NTC sensor fixing device according to the embodiment of the present invention installed in the battery module;

FIG. 3 is an enlarged partial schematic view at A in FIG. 2;

fig. 4 is a schematic structural diagram of a partition board according to an embodiment of the present invention;

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

fig. 6 is a top view of a battery module according to an embodiment of the present invention;

FIG. 7 is a partial cross-sectional view taken along A-A of FIG. 6;

FIG. 8 is an enlarged partial schematic view at C of FIG. 7;

fig. 9 is a schematic structural diagram of a cover plate according to an embodiment of the present invention.

In the figure:

1. a sensor;

2. a separator plate; 21. mounting grooves; 211. a through hole; 212. positioning the boss; 2121. a clamping hole;

3. a cover plate; 31. fixing the buckle; 311. a clamping piece; 3111. a guide slope; 32. a boss;

100. an NTC cover plate; 200. injection molding the isolation plate; 300. a flexible circuit board; 400. and (5) battery cores.

Detailed Description

Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar parts throughout, or parts having the same or similar functions. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, unless otherwise expressly specified or limited, the terms "connected," "connected," and "fixed" are to be construed broadly and can include, for example, fixed or removable connections, mechanical or electrical connections, direct connections, indirect connections through an intermediary, communication between two elements, or an interaction between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the description of the present invention, unless otherwise expressly specified or limited, the first feature "on" or "under" the second feature may include both the first and second features being in direct contact, and may also include the first and second features being in contact, not in direct contact, but with another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

As shown in fig. 2-3, the present invention provides an NTC sensor fixing device, which includes a sensor 1, a spacer 2 and a cover plate 3, wherein the sensor 1 is fixedly mounted on a flexible circuit board 300 and electrically connected to the flexible circuit board 300; the isolation plate 2 is made of flexible materials and can be elastically deformed in a proper amount; preferably, the bottom of the isolation plate 2 is provided with a double-sided adhesive tape, and the isolation plate 2 is fixedly attached to the upper surface of the battery core 400 through the double-sided adhesive tape; the isolation plate 2 is provided with a mounting groove 21, a through hole 211 is formed in the bottom of the mounting groove 21, the flexible circuit board 300 is fixedly mounted on the isolation plate 2, and the sensor 1 is arranged in the through hole 211; the cover plate 3 can be buckled in the mounting groove 21, and the cover plate 3 and the mounting groove 21 are matched with each other to compress and fix the sensor 1.

In the embodiment, two mounting grooves 21 and two cover plates 3 are respectively arranged, the two mounting grooves 21 and the two cover plates 3 are in one-to-one correspondence, the sensor 1 is preferably an NTC sensor, and the cover plate 3 is provided with a boss 32, as shown in fig. 9, when the cover plate 3 is fastened in the mounting grooves 21, the boss 32 extends into the through hole 211; specifically, the area of the through hole 211 is larger than or equal to the area of the boss 32, so that the boss 32 can extend into the through hole 211, and then the sensor 1 is fixedly compressed, and the sensor 1 is ensured to be in close contact with the battery core 400.

Specifically, as shown in fig. 4 and 5, two ends of the mounting groove 21 in the length direction are respectively provided with a positioning boss 212, and two ends of the cover plate 3 in the length direction are respectively provided with a fixing buckle 31; preferably, the fixing catch 31 is made of an elastic material; the two fixing buckles 31 correspond to the two positioning bosses 212 one by one, clamping holes 2121 are formed in the positioning bosses 212, and the fixing buckles 31 can be clamped with the clamping holes 2121. In this embodiment, the connection mode through the buckle makes apron 3 fixed mounting in division board 2, can dismantle connection and simple to operate, prevents to produce relative displacement between apron 3 and division board 2, influences sensor 1's fixed effect. In addition, the positioning boss 212 can also ensure that the cover plate 3 is not easy to deform during installation, so that the installation precision is improved, and the service life of the whole device is prolonged.

Specifically, as shown in fig. 9, the fixing buckle 31 includes two clamping members 311, and the two clamping members 311 are disposed opposite to each other and spaced apart from each other. The two clamping pieces 311 are clamped with the clamping holes 2121 as a fixed buckle 31; preferably, the latch 311 is provided with a guiding slope 3111 for facilitating the latch 311 to extend into and latch with the latch hole 2121.

In addition, as shown in fig. 6 to 8, the embodiment further discloses a battery module, where the NTC sensor fixing device is installed on the battery module, the isolation plate 2 is fixedly installed above the battery cell 400, an installation groove 21 is formed on the isolation plate 2, positioning bosses 212 with clamping holes 2121 are arranged at two ends of the installation groove 21, and a through hole 211 is formed at the bottom of the installation groove 21; the cover plate 3 is provided with a fixing buckle 31 and a boss 32; sensor 1 fixed mounting just arranges in through-hole 211 on flexible circuit board 300, and when apron 3 lock mounting groove 21 was in, fixed buckle 31 and the joint hole 2121 joint on the boss 212 of fixing a position, boss 32 compresses tightly fixed sensor 1, has strengthened the fixed reliability of sensor among the battery module.

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. An NTC sensor fixing device, comprising:

the sensor (1), the sensor (1) is fixedly installed on a flexible circuit board (300), and is electrically connected with the flexible circuit board (300);

the isolation plate (2) is made of a flexible material and is fixedly arranged above the battery cell (400); the isolation plate (2) is provided with a mounting groove (21), a through hole (211) is formed in the bottom of the mounting groove (21), the flexible circuit board (300) is fixedly mounted on the isolation plate (2), and the sensor (1) is arranged in the through hole (211); and

the cover plate (3) can be buckled in the mounting groove (21) and can be used for compressing and fixing the sensor (1).

2. The NTC sensor fixing device of claim 1, characterized in that, the both ends of mounting groove (21) length direction respectively are provided with a location boss (212), the both ends of apron (3) length direction respectively are provided with a fixed buckle (31), two fixed buckles (31) and two location boss (212) one-to-one, be provided with joint hole (2121) on location boss (212), fixed buckle (31) can with joint hole (2121) joint.

3. The NTC sensor fixing device according to claim 2, wherein the fixing catch (31) is made of an elastic material.

4. The NTC sensor fixing device of claim 2, characterized in that the fixing clip (31) comprises two clips (311), and the two clips (311) are disposed oppositely and at a distance.

5. The NTC sensor fixing device of claim 4, characterized in that the snap-in member (311) is provided with a guide slope (3111).

6. The NTC sensor fixing device of claim 1, wherein the cover plate (3) is provided with a protrusion (32), and when the cover plate (3) is fastened in the mounting groove (21), the protrusion (32) extends into the through hole (211) to fix and compress the sensor (1).

7. The NTC sensor fixture of claim 6, wherein the through-hole (211) area is greater than or equal to the boss (32) area.

8. The NTC sensor fixing device of any of claims 1-7, wherein the bottom of the isolation plate (2) is provided with a double-sided adhesive tape, and the isolation plate (2) is attached to the upper surface of the battery core (400) through the double-sided adhesive tape.

9. The NTC sensor fixing device according to any of claims 1-7, characterized in that the mounting groove (21) and the cover plate (3) are provided in two, respectively, and two mounting grooves (21) and two cover plates (3) correspond one to one.

10. A battery module comprising the NTC sensor fixing apparatus of any one of claims 1 to 9.