CN213459990U

CN213459990U - Plug-in type connecting device of collection point and point in lithium ion battery module

Info

Publication number: CN213459990U
Application number: CN202021828178.2U
Authority: CN
Inventors: 李龙德; 彭立军
Original assignee: Jiangsu Fengxin Energy Power Technology Co ltd
Current assignee: Jiangsu Fengxin Energy Power Technology Co ltd
Priority date: 2020-08-27
Filing date: 2020-08-27
Publication date: 2021-06-15
Anticipated expiration: 2030-08-27

Abstract

The utility model is suitable for a lithium ion battery technical field provides a collection point and point to inserting type connecting device in lithium ion battery module, the connecting device includes the collet, the upper surface of collet is fixed with the solid fixed splint at even interval, all is equipped with adjustable pressure mechanism between the adjacent solid fixed splint, the bottom of electricity core is installed in adjustable pressure mechanism; the lugs are positioned at the top of the battery cell, and the adjacent lugs are connected through a battery cell connecting mechanism; and an auxiliary pressing mechanism is sleeved on the battery cell connecting mechanism. The utility model discloses consider utilizing bolted connection utmost point ear to cause the problem that drops easily among the prior art, be provided with electric core coupling mechanism very much, cooperate with supplementary hold-down mechanism simultaneously, greatly improved the joint strength between the utmost point ear, avoided causing the defect of bad contact easily because of vibrations, this connecting device is provided with adjustable pressure mechanism of supporting simultaneously, can support to press fixedly to electric core, and convenient subsequent equipment is fixed.

Description

Plug-in type connecting device of collection point and point in lithium ion battery module

Technical Field

The utility model belongs to the technical field of lithium ion battery, especially, relate to a collection point and some to inserting formula connecting device in lithium ion battery module.

Background

A lithium ion battery is a secondary battery (rechargeable battery) that mainly works by lithium ions moving between a positive electrode and a negative electrode, and the lithium ions are inserted and extracted back and forth between the two electrodes during charging and discharging: during charging, lithium ions are extracted from the positive electrode and are inserted into the negative electrode through the electrolyte, the negative electrode is in a lithium-rich state, and during discharging, on the contrary, the lithium ion battery is widely applied to industrial production and daily life due to the characteristics of small volume, light weight, strong electric quantity, no memory, green and environmental protection and the like.

The lithium ion battery module is a product formed by additionally arranging a fixing device after a lithium ion battery cell is combined in a series-parallel connection mode, mostly connecting holes are formed in the tabs of the battery cell in the prior art, and screws are fastened again, so that the lithium ion battery is connected, but the lithium ion battery module is easy to loosen due to vibration when the screws are fastened, and the potential safety hazard of poor contact is easy to exist.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a collection point and some to inserting formula connecting device in lithium ion battery module to solve among the prior art easy problem that contact failure appears because the vibrations pine takes off when utilizing screw fastening to connect electric core.

The embodiment of the utility model provides a realize like this, a collection point and point's to inserting connecting device in lithium ion battery module, the connecting device includes the collet, the upper surface of collet is fixed with the solid fixed splint at even interval, all is equipped with adjustable pressure mechanism between the adjacent solid fixed splint, the bottom of electricity core is installed in adjustable pressure mechanism;

the lugs are positioned at the top of the battery cell, and the adjacent lugs are connected through a battery cell connecting mechanism;

and an auxiliary pressing mechanism is sleeved on the battery cell connecting mechanism.

As a further aspect of the present invention: the adjustable abutting mechanism comprises a moving groove, the moving groove is formed in the upper surface of the bottom support and is positioned between the adjacent fixed clamping plates, a motor is installed on the outer side of the moving groove, the output end of the motor is in driving connection with a rotating shaft through a coupler, and the rotating shaft is rotatably installed in the moving groove;

the outer rings at the two ends of the rotating shaft are provided with threads with opposite rotating directions, and the threads at the outer rings at the two ends are provided with pressing plates.

As a further aspect of the present invention: and a spring is arranged between the outer wall of the pressing plate and the inner wall of the fixed clamping plate to be connected.

As a further aspect of the present invention: the battery cell connecting mechanism comprises a first clamping piece and a second clamping piece, the first clamping piece and the second clamping piece are connected through a connecting piece, and a first line clamping plate and a second line clamping plate are arranged on the upper surface of the connecting piece;

the inner walls of the first clamping piece and the second clamping piece are respectively provided with a first abutting point, and the opposite side walls of the first line clamping plate and the second line clamping plate are respectively provided with a second abutting point;

the auxiliary pressing mechanism is sleeved on the outer sides of the first clamping piece, the second clamping piece, the first line clamping plate and the second line clamping plate.

As a further aspect of the present invention: the auxiliary pressing mechanism comprises two pressing assisting plates, and the inner walls of the two pressing assisting plates are connected with and provided with automatic telescopic rods.

Compared with the prior art, the beneficial effects of the utility model are that: this collection point and some to inserting formula connecting device in lithium ion battery module, the problem that utilizes bolted connection utmost point ear to cause easily to drop among the consideration prior art is provided with electric core coupling mechanism very much, cooperatees with supplementary hold-down mechanism simultaneously, has greatly improved the joint strength between the utmost point ear, has avoided leading to the fact the defect of bad contact easily because of vibrations, and this connecting device is provided with adjustable pressure mechanism that supports simultaneously, can support to press fixedly to electric core, and convenient subsequent equipment is fixed.

Drawings

In order to illustrate the technical solutions in the embodiments of the present invention more clearly, the drawings that are needed in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention.

Fig. 1 is a schematic structural diagram of a plug-in type connection device for collection points and points in a lithium ion battery module.

Fig. 2 is a schematic structural diagram of a bottom support in the plug-in connection device for the collection point and the point in the lithium ion battery module.

Fig. 3 is a top view of an adjustable pressing mechanism in the plug-in connection device for the collection point and the point in the lithium ion battery module.

Fig. 4 is an enlarged schematic structural diagram of a cell connecting mechanism in the plug-in connecting device of the acquisition point and the point in the lithium ion battery module.

Fig. 5 is a schematic structural diagram of an auxiliary pressing mechanism in the plug-in type connecting device of the collection point and the point in the lithium ion battery module.

In the figure: 1-a bottom support, 2-a fixed splint, 3-an electric core, 4-a lug, 5-a pressing plate, 6-a spring, 7-a moving groove, 8-a motor, 9-a rotating shaft, 10-a first clamping piece, 11-a second clamping piece, 12-a first pressing point, 13-a connecting piece, 14-a first line splint, 15-a second line splint, 16-a second pressing point, 17-a pressing assisting plate and 18-an automatic telescopic rod.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

The following detailed description is provided for the specific embodiments of the present invention.

Example 1

As shown in fig. 1, an embodiment of the present invention provides an opposite-insertion type connection device for collection points and points in a lithium ion battery module, the connection device includes a bottom support 1, fixed clamp plates 2 are fixed on the upper surface of the bottom support 1 at uniform intervals, an adjustable pressing mechanism is arranged between adjacent fixed clamp plates 2, and the bottom of an electrical core 3 is installed in the adjustable pressing mechanism; the lugs 4 are positioned at the top of the battery cell 3, and the adjacent lugs 4 are connected through a battery cell connecting mechanism; and an auxiliary pressing mechanism is sleeved on the battery cell connecting mechanism.

This collection point and some to inserting formula connecting device in lithium ion battery module, the problem that utilizes bolted connection utmost point ear 4 to cause easily to drop among the consideration prior art is provided with electric core coupling mechanism very much, cooperatees with supplementary hold-down mechanism simultaneously, has greatly improved the joint strength between utmost point ear 4, has avoided leading to the fact the defect of bad contact easily because of vibrations, and this connecting device is provided with adjustable mechanism of pressing of supporting simultaneously, can support to press fixedly electric core 3, and convenient subsequent equipment is fixed.

During assembly and connection, the battery cell 3 required by the lithium ion battery module is inserted into the adjustable abutting mechanism, the adjacent lug 4 is connected by utilizing the battery cell connecting mechanism, and meanwhile, the auxiliary pressing mechanism is sleeved on the battery cell connecting mechanism to drive the lug 4 to abut and be fixedly connected.

As shown in fig. 4, in the embodiment of the present invention, the cell connecting mechanism includes a first clamping member 10 and a second clamping member 11, the first clamping member 10 and the second clamping member 11 are connected through a connecting member 13, and a first wire clamping plate 14 and a second wire clamping plate 15 are mounted on an upper surface of the connecting member 13; the inner walls of the first clamping piece 10 and the second clamping piece 11 are respectively provided with a first abutting point 12, and the opposite side walls of the first line clamping plate 14 and the second line clamping plate 15 are respectively provided with a second abutting point 16; the auxiliary pressing mechanism is sleeved on the outer sides of the first clamping piece 10, the second clamping piece 11, the first line clamping plate 14 and the second line clamping plate 15.

Insert first holder 10 and second holder 11 respectively on utmost point ear 4 of adjacent electric core 3, with the electric wire insert between first line splint 14 and second line splint 15, start supplementary hold-down mechanism and drive first holder 10, second holder 11 and first line splint 14 and second line splint 15 draw in and compress tightly, improve to utmost point ear 4 to press the linkage effect, under first 12 and the second 16 effects of pressing, further to utmost point ear 4 and electric wire press, the linkage effect has been improved.

As shown in fig. 5, in the present novel embodiment, the auxiliary pressing mechanism includes two pressing-assisting plates 17, and the inner walls of the two pressing-assisting plates 17 are connected to and installed with automatic telescopic rods 18.

The two pressure-assisting plates 17 are sleeved on the outer sides of the first clamping piece 10, the second clamping piece 11, the first line clamping plate 14 and the second line clamping plate 15, the automatic telescopic rod 18 is started to stretch, the automatic telescopic rod 18 is used for driving the two pressure-assisting plates 17 to fold, and the two pressure-assisting plates 17 are used for inwards abutting against, pressing and folding the first clamping piece 10, the second clamping piece 11, the first line clamping plate 14 and the second line clamping plate 15.

Example 2

As shown in fig. 2 to 3, in another embodiment of the present invention, the adjustable abutting mechanism includes a moving slot 7, the moving slot 7 is disposed on the upper surface of the bottom support 1, the moving slot 7 is located between the adjacent fixing splints 2, a motor 8 is installed outside the moving slot 7, an output end of the motor 8 is drivingly connected to a rotating shaft 9 through a shaft coupling, and the rotating shaft 9 is rotatably installed in the moving slot 7; the outer rings of the two ends of the rotating shaft 9 are provided with threads with opposite rotating directions, and the pressing plates 5 are arranged on the threads of the outer rings of the two ends.

Furthermore, a spring 6 is arranged between the outer wall of the pressing plate 5 and the inner wall of the fixed clamping plate 2 for connection.

According to the width starter motor 8 of electricity core 3, motor 8 drives pivot 9 at the 7 internal rotations of shifting chute to drive two and support clamp plate 5 and do the motion that is close to each other or keep away from each other, settle electricity core 3 between two support clamp plates 5, utilize two motions that support clamp plate 5 to support to press electricity core 3 fixed, electricity core 3 is when the motion, and the passive tensile compression of spring 6 resumes under the trend of deformation at spring 6, further supports to press fixedly to electricity core 3 through supporting clamp plate 5.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The opposite-insertion type connecting device for the acquisition points and the points in the lithium ion battery module is characterized by comprising a bottom support (1), wherein fixed clamping plates (2) are uniformly fixed on the upper surface of the bottom support (1) at intervals, an adjustable abutting mechanism is arranged between every two adjacent fixed clamping plates (2), and the bottom of a battery cell (3) is arranged in the adjustable abutting mechanism;

the lugs (4) are positioned at the top of the battery cell (3), and the adjacent lugs (4) are connected through a battery cell connecting mechanism;

2. The opposite-insertion type connecting device for the acquisition point and the point in the lithium ion battery module according to claim 1, wherein the adjustable abutting mechanism comprises a moving groove (7), the moving groove (7) is formed in the upper surface of the bottom support (1), the moving groove (7) is located between the adjacent fixed clamping plates (2), a motor (8) is installed on the outer side of the moving groove (7), the output end of the motor (8) is in driving connection with a rotating shaft (9) through a coupler, and the rotating shaft (9) is rotatably installed in the moving groove (7);

the outer rings of the two ends of the rotating shaft (9) are provided with threads with opposite rotating directions, and pressing plates (5) are mounted on the threads of the outer rings of the two ends.

3. The opposite-insertion type connecting device for the acquisition point and the point in the lithium ion battery module according to claim 2 is characterized in that a spring (6) is arranged between the outer wall of the pressing plate (5) and the inner wall of the fixed clamping plate (2) for connection.

4. The opposite-insertion type connecting device for the acquisition point and the point in the lithium ion battery module according to claim 1, wherein the cell connecting mechanism comprises a first clamping piece (10) and a second clamping piece (11), the first clamping piece (10) and the second clamping piece (11) are connected through a connecting piece (13), and a first wire clamping plate (14) and a second wire clamping plate (15) are mounted on the upper surface of the connecting piece (13);

the inner walls of the first clamping piece (10) and the second clamping piece (11) are respectively provided with a first abutting point (12), and the opposite side walls of the first line clamping plate (14) and the second line clamping plate (15) are respectively provided with a second abutting point (16);

the auxiliary pressing mechanism is sleeved on the outer sides of the first clamping piece (10), the second clamping piece (11), the first line clamping plate (14) and the second line clamping plate (15).

5. The opposite-insertion type connecting device for the acquisition point and the point in the lithium ion battery module according to claim 4, wherein the auxiliary pressing mechanism comprises two pressing assisting plates (17), and an automatic telescopic rod (18) is connected and mounted on the inner walls of the two pressing assisting plates (17).