CN213636215U

CN213636215U - Battery module electric connection structure

Info

Publication number: CN213636215U
Application number: CN202022459943.4U
Authority: CN
Inventors: 黄伟鸣; 吴施荣; 康士健; 林宗源
Original assignee: Shenzhen Kexun Technology Co ltd
Current assignee: Shenzhen Kexun Technology Co ltd
Priority date: 2020-10-29
Filing date: 2020-10-29
Publication date: 2021-07-06
Anticipated expiration: 2030-10-29

Abstract

The utility model discloses a battery module electricity connection structure, including two at least battery modules, every battery module includes a plurality of monomer electricity cores and a pair of fixed bolster, still is equipped with anodal cylinder manifold and negative pole cylinder manifold on the anodal of monomer electricity core and the negative pole, and anodal cylinder manifold and negative pole cylinder manifold are connected with monomer electricity core electricity respectively, and the both ends tip of anodal cylinder manifold is equipped with at least one mold insert respectively, and the both ends tip of negative pole cylinder manifold is equipped with at least one mounting respectively, and two adjacent battery modules pass through in the mold insert embedding mounting, form the electricity and connect. Compared with the prior art, beneficial effect lies in: two adjacent battery modules pass through the cooperation of mold insert and mounting, form two battery modules and connect electrically, reduce the use of material, assemble simple and conveniently, greatly reduce assembly cost, need not to use screwed connection simultaneously, avoided the potential safety hazard that the screw dropped, greatly reduce the installation space of battery module, the utilization ratio in very big increase user equipment space.

Description

Battery module electric connection structure

[ technical field ] A method for producing a semiconductor device

The utility model relates to a power battery technical field, specificly relate to a battery module electricity connection structure.

[ background of the invention ]

With the increasing pollution degree of the environment and the problem of resource shortage, new energy automobiles become a new generation of clean vehicles for human beings. At present, automobiles using novel clean energy as a power source, such as fuel cell automobiles, hybrid automobiles, solar automobiles and the like, are used. The power battery is used as a power source of a new energy power automobile and has the characteristics of high energy, less self-discharge, long service life, good safety performance and the like. In the prior art, the battery module is an important component of the power battery, and when a plurality of battery modules are connected together, an extra metal piece is usually needed and the battery modules are fixed by a large number of screws, but the structure of the battery module is too complex, the operation is complex, and the cost is increased.

In view of the above, it is desirable to provide an electrical connection structure for a battery module to overcome the disadvantages of the prior art.

[ Utility model ] content

The utility model aims at providing a battery module electrical connection structure aims at simplifying the structure of battery module, convenient operation reduces assembly cost.

In order to achieve the above object, the utility model provides a battery module electrical connection structure, a serial communication port, include: at least two battery modules, each battery module comprises a plurality of single battery cores with anodes and cathodes and a pair of fixing supports respectively arranged at the two ends of the anodes and the cathodes of the single battery cores, an anode bus bar is further arranged between the anodes of the single battery cores and the fixing supports, the anode bus bar is electrically connected with the anodes of the single battery cores, a cathode bus bar is further arranged between the cathodes of the single battery cores and the fixing supports, the cathode bus bar is electrically connected with the cathodes of the single battery cores, at least one insert extending in the direction away from the single battery cores is respectively arranged at the two end parts of the anode bus bar, at least one fixing part extending in the direction close to the single battery cores is respectively arranged at the two end parts of the cathode bus bar, and two adjacent battery modules are embedded into the fixing parts through the insert, an electrical connection is formed.

In a preferred embodiment, the positive electrode bus bar and the negative electrode bus bar are respectively provided with a plurality of connecting holes corresponding to the individual electric cores one to one, and the positive electrodes and the negative electrodes of the individual electric cores are respectively embedded into the corresponding connecting holes.

In a preferred embodiment, the insert is provided with at least one ring of stop collar protruding from the surface.

In a preferred embodiment, the fixing part is provided with at least one circle of limiting groove matched with the limiting ring.

In a preferred embodiment, a plurality of fixing holes corresponding to the individual electric cores one to one are formed in one surface, close to the individual electric cores, of the fixing support.

In a preferred embodiment, the fixing support is square, and four corners of the fixing support are respectively provided with a connecting piece for fixedly connecting the fixing supports at two ends of the single battery cell.

In a preferred embodiment, a collecting portion is extended from one side of the bus board and used for collecting temperature and voltage.

Compared with the prior art, the utility model discloses battery module electricity connection structure's beneficial effect lies in: the cylinder manifold is equipped with two, be anodal cylinder manifold and negative pole cylinder manifold respectively, correspond respectively and set up anodal and the negative pole at monomer electricity core, it is equipped with at least one mold insert to extend respectively on the both ends of anodal cylinder manifold, be equipped with at least one and mold insert complex mounting on the both ends of negative pole cylinder manifold respectively, two adjacent battery modules pass through the cooperation of mold insert and mounting, form the electricity with two battery modules and connect, need not to use other metal to connect two battery modules, reduce the use of material, the assembly is simple and convenient, greatly reduce assembly cost, need not to use screwed connection simultaneously, the potential safety hazard that the screw dropped has been avoided.

[ description of the drawings ]

Fig. 1 is a perspective view of the present invention providing an electrical connection structure for a battery module;

fig. 2 is a sectional view of an electrical connection structure of the battery module shown in fig. 1;

fig. 3 is a structural view of a fixing bracket of the electrical connection structure of the battery module shown in fig. 1;

fig. 4 is a structural view of a positive electrode bus plate of the battery module electrical connection structure shown in fig. 1;

fig. 5 is a structural view of a negative electrode bus plate of the battery module electrical connection structure shown in fig. 1.

[ detailed description ] embodiments

In order to make the objects, technical solutions and advantageous technical effects of the present invention more clearly understood, the present invention is further described in detail with reference to the accompanying drawings and the following detailed description. It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration only and not by way of limitation.

Referring to fig. 1 to 5, the present invention provides an electrical connection structure 100 for battery modules, which is mainly used to reduce the potential safety hazard, simplify the connection operation, reduce the assembly time, and improve the assembly efficiency.

The embodiment of the utility model provides an in, battery module electrical connection structure 100 includes battery module 10, and this battery module 10 is by a plurality of monomer battery cores 11 that possess anodal and negative pole and a pair of fixed bolster 12 that is used for fixed a plurality of monomer battery cores 11, and this fixed bolster 12 sets up at the anodal and the negative pole of monomer battery core 11, constitutes battery module 10 together with a plurality of monomer battery cores 11 are fixed.

Further, fixed bolster 12 is squarely, be equipped with a plurality of fixed orificess 121 with 11 one-to-one of monomer electricity core on the fixed bolster 12, the anodal of monomer electricity core 11 and the negative pole imbed respectively in the fixed orifices 121 that corresponds, thereby fix monomer electricity core 11, prevent it to take place the aversion, break away from out monomer electricity core 11 for preventing fixed bolster 12 and be equipped with a connecting piece 122 on four angles of fixed bolster 12 respectively, this connecting piece 122 is in the same place with the fixed bolster 12 at 11 both ends of monomer electricity core, prevent that fixed bolster 12 from breaking away from or dropping.

It should be noted that, when there are more than two battery modules 100, the plurality of battery modules 100 may be connected in series by the elongated connecting members 122 having threads at both ends, and the nuts at both ends of the connecting members 122 may be tightened.

In the embodiment of the utility model, a positive pole confluence plate 13 is arranged at one end of the positive pole of the single battery cell 11, the positive pole bus board 13 is electrically connected with the positive pole of the monomer battery cell 11 and is positioned between the fixed bracket 12 and the monomer battery cell 11, can prevent the positive pole bus bar 13 from being exposed outside, a negative pole bus bar 14 is arranged at one end of the negative pole of the monomer battery cell 11, the negative pole bus board 14 is electrically connected with the negative poles of the single battery cells 11, is positioned between the fixed bracket 12 and the single battery cells 11, wherein, two inserts 131 are respectively arranged on two ends of the positive electrode bus bar 13, the inserts 131 extend from the edge of the end part of the positive electrode bus bar 13 to the direction far away from the single battery cell 11, the battery cell structure is L-shaped with the positive bus bar 13, a plurality of connecting holes 133 which are correspondingly matched with the battery cells 11 are also arranged on the positive bus bar 13, and the positive electrodes of the battery cells 11 are embedded into the connecting holes 133 to form electric connection; two fixing pieces 141 matched with the insert 131 are respectively arranged at two ends of the negative bus bar 14, the fixing pieces 141 extend from the edge of the end part of the negative bus bar 14 to the direction close to the single battery cell 11, wherein the fixing pieces 141 are annular, so that the insert 131 is conveniently embedded into the fixing pieces 141, a plurality of connecting holes 133 matched with the single battery cells 11 are also arranged on the negative bus bar 14, and the negative electrodes of the single battery cells 11 are embedded into the connecting holes 133 to form electric connection; the two adjacent battery modules 100 are embedded into the fixing member 141 of one battery module through the insert 131 of the other battery module to form a passage, so that the two adjacent battery modules 100 are connected together without using an additional fitting, the assembly cost is reduced, and the two battery modules are close together, and the use space for installation is reduced.

It should be noted that the inserts 131 and the fixtures 141 may be similarly provided at the side ends of the positive electrode bus bar 13 and the negative electrode bus bar 14, and the number of the inserts 131 and the fixtures 141 may be one or more.

Furthermore, in order to prevent the insert 131 from being separated from the fixing member 141, at least one circle of limiting ring 132 protruding from the outer surface of the insert 131 is arranged on the outer side surface of the insert 131, and the cross section of the limiting ring 132 is arc-shaped, so that the insert 131 can be conveniently embedded into the fixing member 141; in order to match with the limiting ring 132 of the insert 131, a limiting groove 142 correspondingly matched with the limiting ring 132 is arranged on the inner wall of the fixing member 141, when the insert 131 enters the fixing member 141, the limiting ring 132 falls into the limiting groove 142, and the limiting groove 142 limits the limiting ring 132 so as to limit the insert 131, prevent the insert 131 from moving in the fixing member 141, and prevent the insert 131 from accidentally falling off the fixing member 141.

Further, for observing the temperature and the voltage of the battery module 100 in real time, the collecting parts 15 are respectively arranged on one side ends of the positive bus plate 13 and the negative bus plate 14 and used for collecting the temperature and the voltage information of the battery module 100 by connecting the positive bus plate 13 and the negative bus plate 14 with collecting equipment.

During the use, only need with the mold insert 131 of one of them battery module 100 imbed in the mounting 141 of another battery module 100 can, the latter circulation in proper order can be in the same place a plurality of battery modules 100 are connected, and need not extra metal accessories and connect, reduce assembly cost, and easy operation, convenient assembly, reduce the assemble duration, when a plurality of battery modules 100 connect simultaneously, adjacent battery module 100 is close together, greatly reduce the installation space of battery module 100, the very big utilization ratio that increases the use equipment space.

In summary, the two bus bars in the battery module electrical connection structure provided by the utility model are respectively the positive bus bar 13 and the negative bus bar 14, which are respectively correspondingly arranged on the positive electrode and the negative electrode of the single battery cell 11, at least one insert 131 is respectively extended from two ends of the positive bus bar 13, at least one fixing member 141 matched with the insert 131 is respectively arranged at two ends of the negative bus bar 14, two adjacent battery modules 100 are electrically connected through the matching of the insert 131 and the fixing member 141, the two battery modules 100 are connected without using other metal fittings, the use of materials is reduced, the assembly is simple and convenient, the assembly cost is greatly reduced, meanwhile, the screws are not required to be connected, the potential safety hazard that the screws fall is avoided, the installation space of the battery module 100 is greatly reduced, and the utilization rate of the space of the used equipment is greatly increased.

The invention is not limited solely to that described in the specification and the embodiments, and additional advantages and modifications will readily occur to those skilled in the art, and it is not intended to be limited to the specific details, representative apparatus, and illustrative examples shown and described herein, without departing from the spirit and scope of the general concept as defined by the appended claims and their equivalents.

Claims

1. The utility model provides a battery module electrical connection structure which characterized in that includes: at least two battery modules, each battery module comprises a plurality of single battery cores with anodes and cathodes and a pair of fixing supports respectively arranged at the two ends of the anodes and the cathodes of the single battery cores, an anode bus bar is further arranged between the anodes of the single battery cores and the fixing supports, the anode bus bar is electrically connected with the anodes of the single battery cores, a cathode bus bar is further arranged between the cathodes of the single battery cores and the fixing supports, the cathode bus bar is electrically connected with the cathodes of the single battery cores, at least one insert extending in the direction away from the single battery cores is respectively arranged at the two end parts of the anode bus bar, at least one fixing part extending in the direction close to the single battery cores is respectively arranged at the two end parts of the cathode bus bar, and two adjacent battery modules are embedded into the fixing parts through the insert, an electrical connection is formed.

2. The battery module electrical connection structure of claim 1, wherein the positive bus bar and the negative bus bar are respectively provided with a plurality of connection holes corresponding to the battery cells one by one, and the positive electrodes and the negative electrodes of the battery cells are respectively embedded into the corresponding connection holes.

3. The electrical connection structure for battery modules according to claim 1, wherein the insert has at least one ring of stopper protruding from the surface.

4. The electrical connection structure for battery modules according to claim 3, wherein the fixing member is provided with at least one circle of limiting groove matched with the limiting ring.

5. The battery module electrical connection structure of claim 1, wherein a plurality of fixing holes corresponding to the individual electric cores one to one are formed in one surface of the fixing bracket, which is close to the individual electric cores.

6. The battery module electrical connection structure of claim 1, wherein the fixing bracket is square, and four corners of the fixing bracket are respectively provided with a connecting piece for fixedly connecting the fixing brackets at two ends of the single battery cell.

7. The battery module electrical connection structure of claim 1, wherein a collecting portion is extended from one side of the bus bar for collecting temperature and voltage.