CN210015885U

CN210015885U - Detachable combined battery

Info

Publication number: CN210015885U
Application number: CN201920968029.7U
Authority: CN
Inventors: 沈彩云
Original assignee: Shenzhen Liyawang Battery Co Ltd
Current assignee: Shenzhen Liyawang Battery Co Ltd
Priority date: 2019-06-24
Filing date: 2019-06-24
Publication date: 2020-02-04
Anticipated expiration: 2029-06-24

Abstract

A detachable combined battery comprises a box body, a plurality of negative pole bus plates, a lithium ion battery pack, a plurality of positive pole bus plates and a box cover, wherein the box body comprises a bottom plate, a pair of long side plates and a pair of detachable short side plates, the long side plates and the detachable short side plates extend to the same side along the bottom plate; compared with the prior art, the beneficial effects of the utility model reside in that: each lithium ion battery body is separately installed and fixed, the stability is strong, a plurality of lithium ion battery bodies can be disassembled or additionally installed according to actual requirements, and the normal operation of other lithium ion battery bodies is not influenced.

Description

Detachable combined battery

[ technical field ] A method for producing a semiconductor device

The utility model relates to a lithium ion battery technical field, specificly relate to a detachable assembled battery.

[ background of the invention ]

Lithium batteries are classified into lithium batteries and lithium ion batteries. Lithium ion batteries are used in mobile phones and notebook computers, and are commonly called as lithium batteries. The battery generally adopts a material containing lithium element as an electrode, and is a representative of modern high-performance batteries. The real lithium battery is rarely applied to daily electronic products due to high danger.

The existing lithium ion combined battery mainly has the following defects: each lithium ion battery is fixed in the box body through extrusion between the lithium ion batteries, so that the heat dissipation efficiency in the box body is low; and meet external force extrusion, make the battery take place to warp very easily, and then lead to the explosion incident, the internal line is complicated, and the equipment degree of difficulty is high.

In view of the above, it is desirable to provide a detachable assembled battery to overcome the disadvantages of the prior art.

[ Utility model ] content

The utility model aims at providing a detachable assembled battery, it is fixed to aim at realizing separately installing every lithium ion battery body, and reinforcing stability is dismantled or is installed a plurality of lithium ion battery bodies additional according to actual demand, and the reinforcing heat dissipation reduces the equipment degree of difficulty, reduces the circuit installation, simplifies the structure.

In order to achieve the purpose, the utility model provides a detachable combined battery, which comprises a box body, a plurality of negative pole bus plates, a lithium ion battery pack, a plurality of positive pole bus plates and a box cover;

the box body comprises a bottom plate, a pair of long side plates and a pair of detachable short side plates, wherein the long side plates are provided with a plurality of through holes, the negative pole bus bar is positioned on the bottom plate of the box body, one end of the negative pole bus bar is connected with a negative pole flexible flat cable, the lithium ion battery pack comprises a plurality of fixed dies, a plurality of radiating pipes and a plurality of lithium ion battery bodies, a plurality of first semicircular grooves are arranged at two sides of the fixed dies, each lithium ion battery body is clamped in the first semicircular grooves of the two adjacent fixed dies, the radiating pipes penetrate through the inside of the fixed dies, two ends of each lithium ion battery body respectively penetrate through the through holes of the long side plates, the negative pole of each lithium ion battery body is electrically connected with the negative pole bus bar through a negative pole cell lug, the positive pole bus bar is, the positive pole of lithium ion battery body pass through anodal electric core utmost point ear with anodal cylinder manifold electricity is connected, be equipped with anodal terminal and negative terminal on the case lid, the case lid is established on the box, the flexible winding displacement of negative pole upwards buckle and with the negative terminal electricity of case lid is connected, the flexible winding displacement of positive pole upwards buckle and with the anodal terminal electricity of case lid is connected.

In a preferred embodiment, both sides of each long side plate are provided with first bending edges extending inward, and both sides of each short side plate are provided with second bending edges extending inward, and each short side plate is inserted inside both first bending edges on the same side.

In a preferred embodiment, the lithium ion battery pack further comprises a pair of side fixing plates, each side fixing plate is mounted on two sides of the lithium ion battery pack, a plurality of second semicircular grooves are formed in the inner sides of the side fixing plates, and the outer sides of the side fixing plates are smooth planes.

In a preferred embodiment, the case cover is provided with an explosion-proof valve, and the explosion-proof valve is located between the positive terminal and the negative terminal.

In a preferred embodiment, the fixed mold is an aluminum material.

Compared with the prior art, the utility model provides a pair of detachable assembled battery's beneficial effect lies in: the lithium ion battery pack is internally provided with the plurality of fixed dies, and each lithium ion battery body is clamped in the first semicircular grooves of the two adjacent fixed dies, so that each lithium ion battery body can be separately installed and fixed, the stability is high, the plurality of lithium ion battery bodies can be disassembled or additionally installed according to actual requirements, and the normal operation of other lithium ion battery bodies is not influenced; the fixed die can also increase the contact area with the lithium ion battery body, enhance heat dissipation, and carry heat through the radiating pipe, thereby enhancing heat dissipation; a pair of detachable short side plates is adopted, so that the assembly difficulty can be reduced; the bus board with the flexible flat cable is adopted for flow guiding, so that circuit installation is reduced, and the structure is simplified.

[ description of the drawings ]

Fig. 1 is an exploded view of the detachable assembled battery provided by the present invention.

Fig. 2 is a connection perspective view of the stationary mold, the heat dissipation pipe and the lithium ion battery body shown in fig. 1.

Fig. 3 is a perspective view of the lateral securing plate shown in fig. 1.

[ detailed description ] embodiments

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will be able to make similar modifications without departing from the spirit and scope of the present invention.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

Referring to fig. 1, the present invention provides a detachable assembled battery 100.

In the embodiment of the present invention, the detachable assembled battery 100 includes a box 10, a plurality of negative bus plates 20, a lithium ion battery pack 30, a plurality of positive bus plates 40, and a box cover 50.

Specifically, referring to fig. 2, the box body 10 includes a bottom plate 11, a pair of long side plates 12 and a pair of detachable short side plates 13 extending from the same side along the bottom plate 11, the long side plates 12 are provided with a plurality of through holes 121, the negative bus plate 20 is located on the bottom plate 11 of the box body 10, and one end of the negative bus plate is connected to a negative flexible flat cable 21, the lithium ion battery pack 30 includes a plurality of fixed molds 31, a plurality of radiating pipes 32 and a plurality of lithium ion battery bodies 33, two sides of the fixed molds 31 are provided with a plurality of first semicircular grooves 311, each lithium ion battery body 33 is clamped in the first semicircular grooves 311 of two adjacent fixed molds 31, the radiating pipes 32 penetrate through the inside of the fixed molds 31, and two ends of each lithium ion battery body 33 respectively penetrate through the through holes 121 of the long side plates 12, and a negative electrode of the lithium ion battery body 33 is electrically connected to the, the positive bus bar 40 is located above the lithium ion battery pack 30, one end of the positive bus bar is connected with a positive flexible flat cable 41, the positive electrode of the lithium ion battery body 33 is electrically connected with the positive bus bar 40 through a positive electrode core tab (not shown), the box cover 50 is provided with a positive terminal 51 and a negative terminal 52, the box cover 50 covers the box body 10, the negative flexible flat cable 21 is bent upwards and electrically connected with the negative terminal 52 of the box cover 50, and the positive flexible flat cable 41 is bent upwards and electrically connected with the positive terminal 51 of the box cover 50.

It can be understood that, by arranging a plurality of fixed molds 31 in the lithium ion battery pack 30, each lithium ion battery body 33 is clamped in the first semicircular groove 311 of two adjacent fixed molds 31, each lithium ion battery body 33 can be separately installed and fixed, the stability is strong, the plurality of lithium ion battery bodies 33 can be detached or additionally installed according to actual requirements, the normal operation of other lithium ion battery bodies 33 is not affected, meanwhile, the fixed molds 31 can also increase the contact area with the lithium ion battery bodies 33 to enhance heat dissipation, the heat dissipation pipe 32 is used for being connected with a fan (not shown) of a heat dissipation system through a pipeline, and heat is carried by the heat dissipation pipe 32 to further enhance heat dissipation. Adopt a pair of short curb plate 13 of detachable, can install a pair of short curb plate 13 again after installing a plurality of negative pole cylinder manifold 20 and lithium ion battery group 30, can reduce the equipment degree of difficulty. The bus board with the flexible flat cable is adopted for flow guiding, so that circuit installation is reduced, and the structure is simplified.

Further, both sides of each long side plate 12 are provided with first bending edges 122 extending inward, both sides of each short side plate 13 are provided with second bending edges 131 extending inward, and each short side plate 13 is inserted inside both first bending edges 122 on the same side. The short side plates 13 can be mounted on the box body 10 by being inserted vertically downward, and can be pulled out by being pulled up forcibly.

Further, referring to fig. 3, the lithium ion battery pack 30 further includes a pair of side fixing plates 34, each side fixing plate 34 is installed on two sides of the lithium ion battery pack 30, the inner side of each side fixing plate 34 is provided with a plurality of second semicircular grooves 341, and the outer side of each side fixing plate 34 is a smooth plane. The space inside the case 10 can be reduced by using a pair of side fixing plates 34 on both sides of the lithium ion battery pack 30.

Further, an explosion-proof valve 53 is arranged on the box cover 50, and the explosion-proof valve 53 is positioned between the positive terminal 51 and the negative terminal 52. The explosion-proof valve 53 can reduce the occurrence of safety accidents.

Further, the fixed mold 31 is made of aluminum. The aluminum fixing mold 31 is adopted, so that the heat conducting performance is good.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. A detachable assembled battery is characterized in that: the lithium ion battery pack comprises a box body, a plurality of negative pole bus plates, a lithium ion battery pack, a plurality of positive pole bus plates and a box cover;

2. The removable assembled battery according to claim 1, wherein: the two sides of each long side plate are provided with first bending edges extending inwards, the two sides of each short side plate are provided with second bending edges extending inwards, and each short side plate is inserted into the inner sides of the two first bending edges on the same side.

3. The removable assembled battery according to claim 1, wherein: the lithium ion battery pack further comprises a pair of side fixing plates, each side fixing plate is arranged on two side edges of the lithium ion battery pack, a plurality of second semicircular grooves are formed in the inner sides of the side fixing plates, and the outer sides of the side fixing plates are smooth planes.

4. The removable assembled battery according to claim 1, wherein: and an explosion-proof valve is arranged on the box cover and is positioned between the positive terminal and the negative terminal.

5. The removable assembled battery according to claim 1, wherein: the fixed die is made of aluminum.