CN210136946U

CN210136946U - Battery pack fixing and connecting structure

Info

Publication number: CN210136946U
Application number: CN201921410393.8U
Authority: CN
Inventors: 吴宏兵
Original assignee: Suzhou Pronoying Precision Technology Co Ltd
Current assignee: Suzhou Pronoying Precision Technology Co Ltd
Priority date: 2019-08-28
Filing date: 2019-08-28
Publication date: 2020-03-10
Anticipated expiration: 2029-08-28

Abstract

The utility model discloses a battery pack fixing and connecting structure, which comprises a battery pack fixing plate and an electrode connecting sheet arranged in the battery fixing plate; the surface of the battery pack fixing plate is provided with a fixing groove arranged along the extension direction of the battery pack fixing plate; the electrode connecting sheet is embedded in the fixing groove; be connected with fusing rupture disc between two adjacent electrode connection pieces, group battery fixed connection structure can carry out the group battery that a plurality of batteries constitute to establish ties circular telegram and fixed group battery, group battery fixed connection structure can fix the group battery on the one hand, and on the other hand can establish ties each battery of group battery, when whole group battery takes place to transship when using, fusing rupture disc can fuse by oneself, prevent that the group battery from exploding, the emergence incident such as firing. Has high practical value.

Description

Battery pack fixing and connecting structure

Technical Field

The utility model relates to a battery technology field, concretely relates to group battery fixed connection structure.

Background

The battery is used as an energy source, can obtain current with stable voltage and stable current, stably supplies power for a long time and is slightly influenced by the outside, has simple structure, convenient carrying, simple and easy charging and discharging operation, is not influenced by the outside climate and temperature, has stable and reliable performance, plays an important role in various aspects of modern social life, and occupies a large proportion in the use of electric energy.

In order to realize the mass production of the battery, people often need to install and connect a plurality of module batteries together; in order to achieve the required voltage or current. The module battery is usually designed in a three-dimensional shape, and the positive and negative electrodes thereof are respectively arranged at the diagonal positions of the bottom surface or the upper surface. Usually, the positive and negative electrodes of the battery are connected with the battery pole piece through a connecting sheet and are used as leading-out terminals to play a role in conduction. When the battery is discharged at a high power to cause an overload, the safety of the battery pack is low.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model aims to provide a battery pack fixing and connecting structure which can improve the stability of the battery pack installation and the safety of the battery pack use; the specific technical scheme is as follows:

a battery pack fixing and connecting structure comprises a battery pack fixing plate and an electrode connecting sheet arranged in the battery fixing plate; the surface of the battery pack fixing plate is provided with a fixing groove arranged along the extending direction of the battery pack fixing plate; the electrode connecting sheet is embedded in the fixing groove, an electrode fixing cap is stamped on the electrode connecting sheet, and a first conductive contact which is electrically contacted with the battery is arranged on the bottom wall of the electrode fixing cap; and a fusing safety piece is connected between every two adjacent electrode connecting pieces and is paved on the bottom wall of the fixing groove.

In the technical scheme, the battery pack fixing and connecting structure can fix the battery pack on one hand and can be connected with each battery of the battery pack in series on the other hand, wherein the battery pack fixing plate can fix the whole structure of the battery pack, and the electrode connecting sheet can be used for connecting electrodes of the batteries in series; the electrode connecting sheet is arranged in a fixing groove of the battery pack fixing plate, an electrode of the battery can be embedded on the electrode fixing cap to be fixed in a spot welding mode, and the electrode connecting sheet is electrically connected with the electrode of the battery through the first conductive contact; the fusing safety piece arranged in the fixed groove can be connected with two adjacent electrode connecting pieces, so that the batteries are connected in series; when whole group battery takes place to transship when using, fusing rupture disc can fuse by oneself, prevents that the group battery from taking place the incident such as explosion, catching fire.

The electrode connecting sheet is provided with clamping parts which are clamped into the clamping grooves corresponding to the edges of the clamping grooves.

The preferable technical scheme is characterized in that a fixing cap mounting groove matched with the electrode fixing cap in a clamping manner is formed in the bottom wall of the fixing groove.

The preferable technical scheme is characterized in that a plurality of radiating grooves penetrating through the battery pack fixing plate are formed in the bottom of the fixing cap mounting groove.

The preferred technical scheme, its additional technical feature is that be equipped with the rupture disc mounting groove of inlaying the dress fusing rupture disc between two adjacent locking cap mounting grooves of fixed slot diapire correspondence.

The preferable technical scheme is characterized in that a plurality of heat dissipation holes are formed in the bottom wall of the electrode fixing cap.

The preferable technical scheme is characterized in that two ends of the fusing safety piece are provided with second conductive contacts in conductive contact with the electrode connecting pieces.

The preferable technical scheme is characterized in that the electrode connecting sheet is formed by stamping a nickel sheet.

The utility model has the advantages that: the battery pack fixing and connecting structure can connect the battery packs consisting of a plurality of batteries in series to electrify and fix the battery packs, on one hand, the battery packs can be fixed, on the other hand, each battery of the battery packs can be connected in series, and when the whole battery pack is overloaded in use, the fusing safety piece can be fused automatically, so that the battery packs are prevented from being exploded, ignited and the like to cause safety accidents. The utility model discloses rational in infrastructure, safety in utilization are high, have higher practical value.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.

Fig. 1 is a sectional view of an electrode tab of a battery pack fixing and connecting structure according to an embodiment.

Fig. 2 is a top view of a battery fixing plate of the battery fixing and connecting structure according to an embodiment.

Fig. 3 is an installation diagram of a battery pack fixing and connecting structure according to an embodiment.

The meanings indicated by the respective reference numerals are as follows; the electrode connecting piece 100, the electrode fixing cap 110, the heat dissipation hole 111, the first conductive contact 112, the clamping portion 120, the battery pack fixing plate 200, the fixing groove 210, the fixing cap mounting groove 211, the heat dissipation groove 212, the safety disc mounting groove 213, the fuse safety disc 300, and the second conductive contact 310.

Detailed Description

Here, it is to be noted that the functions, methods, and the like related to the present invention are only conventional adaptive applications of the related art. Therefore, the present invention is an improvement of the prior art, which substantially lies in the connection relationship between hardware, not in the functions and methods themselves, that is, the present invention relates to a few functions and methods, but does not include the improvements proposed in the functions and methods themselves. The present invention is described for better illustration of the function and method for better understanding of the present invention.

As shown in fig. 1 to fig. 3, in an embodiment, the present invention provides a battery pack fixing and connecting structure, which can fix a battery pack on one hand and connect each battery of the battery pack in series on the other hand, and includes a battery pack fixing plate 200 and an electrode connecting sheet 100 disposed in the battery fixing plate; the pack fixing plate 200 may fix the overall structure of the pack, and the electrode tabs 100 may be used to connect the electrodes of the cells in series.

As shown in fig. 1 to 3, the battery pack fixing plate 200 is provided at the surface thereof with fixing grooves 210 arranged in the extending direction of the battery pack fixing plate 200; the electrode connecting sheet 100 is embedded in the fixing groove 210, an electrode fixing cap 110 is stamped on the electrode connecting sheet 100, and a first conductive contact 112 which is electrically contacted with the battery is arranged on the bottom wall of the electrode fixing cap 110; a fusing fuse piece 300 is connected between two adjacent electrode connecting pieces 100, and the fusing fuse piece 300 is laid on the bottom wall of the fixing groove 210. The electrode connecting sheet 100 is arranged in the fixing groove 210 of the battery pack fixing plate 200, the electrode of the battery can be embedded on the electrode fixing cap 110 to be fixed in a spot welding mode, and the electrode connecting sheet 100 is electrically connected with the electrode of the battery through the first conductive contact 112; the fusing rupture discs 300 disposed in the fixing grooves 210 may connect two adjacent electrode connection tabs 100, so that the batteries are connected in series; when the whole battery pack is overloaded during use, the fusing safety piece 300 can be automatically fused, so that safety accidents such as explosion, fire and the like of the battery pack are prevented.

As shown in fig. 1 to 3, in order to prevent the electrode connecting sheet 100 from falling off, in this embodiment, two opposite side walls of the fixing groove 210 are provided with a clamping groove, and the electrode connecting sheet 100 is provided with a clamping portion 120, which is clamped into the clamping groove, corresponding to an edge of the clamping groove. Thus, after the electrode connecting sheet 100 is inserted into the mounting groove, the engaging portion 120 engages with the engaging groove of the sidewall of the fixing groove 210, thereby preventing the electrode fixing sheet from falling off. After the electrode connecting piece 100 is inserted into the mounting groove, a gap is formed between the electrode fixing cap 110 and the bottom wall of the fixing groove 210, and therefore, the fixing cap mounting groove 211 which is engaged with the electrode fixing cap 110 is formed in the bottom wall of the fixing groove 210. Thus, the electrode fixing cap 110 can be completely inserted into the fixing cap mounting groove 211, and the stability of connection between the electrode fixing tab and the battery pack fixing plate 200 is improved.

As shown in fig. 1 to 3, when the battery pack supplies power, the electrodes of the battery generate heat, and a plurality of heat dissipation grooves 212 penetrating through the battery pack fixing plate 200 are formed at the bottom of the fixing cap mounting groove 211 in order to dissipate heat from the electrodes of the battery. The temperature of battery electrode can be reduced under the radiating effect of radiating groove 212, the safety in utilization of battery pack is improved, simultaneously, still be equipped with a plurality of louvres 111 at electrode fixing cap 110 diapire, avoid electrode fixing cap 110 to block up the exhaust hole of electrode terminal to it is smooth and easy that the guarantee battery exhausts when using, makes the battery pack normal use, more is favorable to the electrode heat dissipation of battery.

As shown in fig. 1 to 3, in the present embodiment, a rupture disc installation groove 213 for installing a rupture disc 300 is formed between two adjacent fixing cap installation grooves 211 corresponding to the bottom wall of the fixing groove 210. Thus, the rupture disc 300 can be fitted in the disc mounting groove 213; the fuse rupture disk 300 is provided at both ends thereof with second conductive contacts 310 which are in conductive contact with the electrode tab 100. Under the action of the second conductive contact 310, the fuse protector 300 can be electrically connected with the electrode connection tab 100, thereby improving the series stability of the battery pack.

The electrode connecting sheet 100 is formed by stamping a nickel sheet. The nickel sheet has stable chemical properties, is not easy to oxidize, and can improve the conductive stability after punch forming. Engineering plastics are selected for use to the group battery stationary blade, and not only the structure is firm and have higher insulating effect, more is favorable to the installation to use.

In the specification of the present invention, a large number of specific details are explained. It can be understood, however, that embodiments of the invention may be practiced without these specific details. In some instances, well-known methods, systems, and techniques have not been shown in detail in order not to obscure an understanding of this description.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments can be modified, or some or all of the technical features can be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.

Claims

1. The utility model provides a group battery fixed connection structure which characterized in that: comprises a battery pack fixing plate (200) and an electrode connecting sheet (100) arranged in the battery fixing plate; the surface of the battery pack fixing plate (200) is provided with fixing grooves (210) arranged along the extending direction of the battery pack fixing plate (200);

the electrode connecting piece (100) is embedded in the fixing groove (210), an electrode fixing cap (110) is stamped on the electrode connecting piece (100), and a first conductive contact (112) which is electrically contacted with the battery is arranged on the bottom wall of the electrode fixing cap (110); and a fusing safety disc (300) is connected between every two adjacent electrode connecting sheets (100), and the fusing safety disc (300) is paved on the bottom wall of the fixing groove (210).

2. The battery pack fixing-connecting structure according to claim 1, wherein: two opposite side walls of the fixing groove (210) are provided with clamping grooves, and the electrode connecting sheet (100) is provided with clamping portions (120) clamped into the clamping grooves corresponding to the edges of the clamping grooves.

3. The battery pack fixing-connecting structure according to claim 1, wherein: the bottom wall of the fixing groove (210) is provided with a fixing cap mounting groove (211) matched with the electrode fixing cap (110) in a clamping manner.

4. The battery pack fixing-connecting structure according to claim 3, wherein: the bottom of the fixing cap mounting groove (211) is provided with a plurality of radiating grooves (212) which penetrate through the battery pack fixing plate (200).

5. The battery pack fixing-connecting structure according to claim 1, wherein: and a safety piece mounting groove (213) for embedding a fusing safety piece (300) is formed between the bottom wall of the fixing groove (210) and the two adjacent fixing cap mounting grooves (211).

6. The battery pack fixing-connecting structure according to claim 1, wherein: the bottom wall of the electrode fixing cap (110) is provided with a plurality of heat dissipation holes (111).

7. The battery pack fixing-connecting structure according to claim 1, wherein: and second conductive contacts (310) which are in conductive contact with the electrode connecting sheet (100) are arranged at two ends of the fusing safety sheet (300).

8. The battery pack fixing-connecting structure according to claim 1, wherein: the electrode connecting sheet (100) is formed by stamping a nickel sheet.