TWM628440U - Series and parallel connection device of pouch cell - Google Patents

Abstract

The new type is a series-parallel device for soft-pack batteries, which is mainly used for the rapid installation of many soft-pack batteries. It includes a casing, a soft-pack battery module, and a positive and negative electrode connection configuration module. a top and a bottom, the top is hollow and communicated with the interior of the casing, and forms an accommodating space, and the soft pack battery module is inserted into the accommodating space of the casing through the top of the casing, The positive and negative electrode connection configuration module is matched with the arrangement and combination of the positive and negative electrodes of the soft pack battery module, and is arranged on the top of the casing; the series and parallel connection between the positive and negative electrode connection configuration module and the soft pack battery module Configuration, in order to achieve the purpose of reducing production costs, facilitating maintenance and improving the efficiency of assembly and disassembly.

Description

Series-parallel device of soft pack battery

The new model relates to a series-parallel device, especially a series-parallel device of a soft pack battery.

With the issue of global warming, countries are paying more attention to environmental protection and green energy, and gradually focus on the technology development of replacing petrochemical energy with electric energy. With the booming development, many companies have to pay more attention to cost and product convenience in order to catch up with market demand. Therefore, how to improve product convenience and reduce cost has become one of the main issues.

At present, laser welding or ultrasonic welding is generally used in the series and parallel connection of soft pack batteries on the market. Both of these methods require the production of molds and the use of robotic arms for welding, which are more suitable for applications in large or small modules. If the series-parallel connection of pouch batteries is applied to the series-parallel connection of large-scale pouch battery modules, larger molds and stages will be required. As a result, the cost will also be increased, and the practicability will be relatively low.

Furthermore, in order to optimize the cost and efficiency problems caused by laser welding or ultrasonic welding in the prior art, soldering is usually used instead. Troubleshooting, assembly and disassembly are time-consuming, and the soldering method is also easy to melt the insulation layer of the wire due to high temperature during the welding process, thereby causing a short circuit between batteries.

Therefore, the prior art does need to further provide better improvement solutions.

In view of the above-mentioned deficiencies of the prior art, the main purpose of the present invention is to provide a series-parallel device for soft-pack batteries, which is mainly applied to the rapid installation of a large number of soft-pack batteries. , in order to reduce costs, facilitate maintenance and improve assembly and disassembly efficiency.

The main technical means adopted to achieve the above purpose are to make the series-parallel device of the aforementioned soft pack battery include: a casing, which has a top and a bottom, the top is hollow and communicates with the interior of the casing to form an accommodating space; A soft-pack battery module is arranged in the accommodating space of the casing, and the soft-pack battery module includes a plurality of soft-pack batteries; A positive and negative electrode connection configuration module is arranged on the top of the casing, and is matched with the arrangement and combination of the positive and negative electrodes of the soft pack batteries of the soft pack battery module.

Through the above structure, the pouch battery module is inserted into the shell through the top of the shell, and the positive and negative electrode connection configuration module and the pouch battery module are matched with each other, so as to perform the series-parallel configuration of the pouch battery; The series-parallel configuration between the connecting piece and the soft pack battery can achieve the purpose of reducing production cost, facilitating maintenance and improving the efficiency of assembly and disassembly.

For the preferred embodiment of the series-parallel device of the novel pouch battery, please refer to FIGS. 1 and 2 , which includes a casing 10 , a pouch battery module 20 and a positive and negative electrode connection configuration module 30 . The casing 10 has a top 11 and a bottom 12. The top 11 of the casing 10 is hollow and communicates with the interior of the casing 10, and forms an accommodating space 13. In this preferred embodiment, the The soft pack battery module 20 is composed of a plurality of battery boxes 21 , a plurality of soft pack batteries 22 and a plurality of soft pads 23 . The positive and negative electrode connection configuration module 30 is arranged on the top 11 of the casing 10 , and is connected with the casing 10 . The arrangement and combination of the positive and negative electrodes of the soft pack batteries 22 of the soft pack battery module 20 match each other.

Through the above structure, the pouch battery module 20 is placed into the accommodating space 13 through the top 11 of the casing 10, and the positive and negative electrode connection configuration module 30 is matched with the pouch battery module 20, so that the The pouch batteries 22 are arranged in series and parallel; the purpose of reducing production cost, facilitating maintenance and improving assembly and disassembly efficiency is achieved by the series and parallel arrangement between the connecting pieces 32 and the pouch batteries 22 .

In this preferred embodiment, the positive and negative electrode connection configuration module 30 is composed of an insulating plate 31 and a plurality of connecting pieces 32. The insulating plate 31 is further provided with a plurality of air-permeable structures 311. Each of the inner side walls of the structure 311 is further provided with a support surface 312, and the support surface 312 is used to support the connection pieces 32. Then, the positive and negative electrodes of the soft pack batteries 22 are connected to the insulating plate of the configuration module 30 through the positive and negative electrodes. 31 and the arrangement and combination of the connecting pieces 32 are matched with each other, so that the positive and negative electrodes of the soft pack batteries 22 can be connected in series and parallel through the insulating plate 31 and the connecting pieces 32. Specifically, the connecting pieces 32 Different arrangements and combinations can be made according to the user's requirements for the series-parallel configuration of the soft pack batteries 22 , and the structure of the insulating plate 31 is further matched and designed according to the arrangement and combination of the connecting pieces 32 .

The edge of the top 11 of the casing 10 and the insulating plate 31 are further respectively provided with a plurality of corresponding openings 14 , and the insulating plate 31 is locked on the insulating plate 31 through the openings 14 through one or more fixing members 41 . on the housing 10 . In this preferred embodiment, the fixing members 41 can be composed of a plurality of screws and a plurality of nuts, and the openings 14 can be composed of a plurality of screw holes, through which the screws pass through the screw holes to constitute the screw holes. They are fixed together, and then locked through these nuts to prevent loosening.

For example, the assembly structure of the soft pack battery module 20 is to put five soft pack batteries 22 into the battery box 21, and place the soft pads 23 between the soft pack batteries 22 as required to serve as 1 20 battery packs are arranged in series and parallel according to the user's needs to form the soft pack battery module 20. In this preferred embodiment, the soft pads 23 can be a silicone pad for To dissipate heat and buffer vibrations of the pouch batteries 22 , the assembly structure of the pouch battery module of this embodiment is merely an example, rather than a limitation.

Further, as shown in FIGS. 1 and 3 , the connection pieces 32 in the positive and negative electrode connection configuration module 30 may have different structures according to different series-parallel applications, and the connection pieces 32 further include a plurality of first The connection pieces 32A, the plurality of second connection pieces 32B, and the plurality of third connection pieces 32C.

In this preferred embodiment, the first connecting piece 32A is in the shape of an L-shaped piece, and has a plurality of tab slots 321A and a plurality of connecting piece openings 322A, and the tab slots 321A are parallel to each other, and The tab grooves 321A and the connecting piece openings 322A are alternately arranged with each other. The second connecting piece 32B is sheet-shaped and has a plurality of tab slots 321B and a plurality of connecting piece openings 322B. 321B are parallel to each other, and the lug grooves 321B and the connecting piece openings 322B are alternately arranged with each other. The third connecting piece 32C is in the shape of a sheet, and has most of the lug grooves 321C and most of the connecting piece openings. In the hole 322C, the tab slots 321C are arranged in a plurality of rows, wherein the tab slots 321C arranged in the same row are parallel to each other, and the tab slots 321C arranged in different rows may not be connected, and the tab slots 321C arranged in different rows are not connected. The lug grooves 321C and the connecting plate openings 322C are alternately arranged. The above-mentioned tab slots 321A, 321B, 321C are for convenience of installation, and each mainly provides a single-polarity tab through which one pole tab slot provides one polarity tab. connections to provide complex polarity settings.

In this preferred embodiment, the tab slots 321A, 321B, and 321C are used for the positive and negative electrodes of the soft pack batteries 22 to be pierced. During application, it should be noted that the positive and negative electrodes of the same battery pack cannot be connected at the same time. On the same connecting piece 32, otherwise there will be a risk of short circuit, the positive and negative electrodes of the soft pack batteries 22 can be further provided with tab openings, so that the positive and negative electrodes of the soft pack batteries 22 can pass through the The fixing member 41 is locked on the connecting pieces 32 through the connecting piece openings 321 .

Regarding the specific application mode of the preferred embodiment of the present invention, as shown in FIG. 4 , the positive and negative electrodes of the soft pack batteries 22 pass through the lug grooves 321A, 321B, 321C of the connecting pieces 32 , and then Fold the protruding parts of the positive and negative ears to the positions of the connecting sheet openings 322A, 322B, 322C, and then lock them through the fixing parts 41, and before locking, you can smear the fixing parts glue to make it not easy to be damaged. Vibration leads to loosening. By the mutual arrangement of the connecting pieces 32 and the soft pack batteries 22, the positive and negative terminals of the soft pack batteries 22 are in series relationship as a whole. The mutual arrangement of the soft pack batteries 22 makes the positive and negative terminals of the soft pack batteries 22 in a series relationship as a whole, which is only an example and not a limitation.

10: Shell 11: Top 12: Bottom 13: accommodating space 14: Opening 20: Soft pack battery module 21: Battery box 22: Soft pack battery 23: Upholstered 30: Positive and negative connection configuration module 31: Insulation board 311: Permeable structure 312: Support surface 32: connecting piece 32A: The first connecting piece 321A: pole lug groove 322A: Connection piece opening 32B: Second connecting piece 321B: pole lug groove 322B: Connection piece opening 32C: The third connecting piece 321C: pole lug groove 322C: Connection piece opening 41: Fixing parts

FIG. 1 is a schematic view of the appearance of a preferred embodiment of the present invention. FIG. 2 is another schematic view of the appearance of the preferred embodiment of the present invention. FIG. 3 is a schematic diagram of a connecting piece of a preferred embodiment of the present invention. FIG. 4 is a schematic diagram of the application of the preferred embodiment of the present invention.

10: Shell

11: Top

12: Bottom

13: accommodating space

14: Opening

20: Soft pack battery module

21: Battery box

22: Soft pack battery

23: Upholstered

30: Positive and negative connection configuration module

31: Insulation board

311: Permeable structure

312: Support surface

32: connecting piece

41: Fixing parts

Claims (8)

A series-parallel device for a soft pack battery, comprising: a casing, which has a top and a bottom, the top is hollow and communicates with the interior of the casing to form an accommodating space; A soft-pack battery module is arranged in the accommodating space of the casing, and the soft-pack battery module includes a plurality of soft-pack batteries; A positive and negative electrode connection configuration module is arranged on the top of the casing, and is matched with the arrangement and combination of the positive and negative electrodes of the soft pack batteries of the soft pack battery module. The series-parallel device for soft-pack batteries according to claim 1, wherein the soft-pack battery module further comprises a plurality of battery boxes and a plurality of soft pads, and the soft pads are arranged between the soft-pack batteries. The series-parallel device of the soft-pack battery according to claim 1, wherein the positive and negative electrode connection configuration module is composed of an insulating plate and a plurality of connecting pieces, and the insulating plate is further provided with a plurality of air-permeable structures, The inner sidewalls of the permeable structures are further provided with a supporting surface to support the connecting pieces. The series-parallel device of the soft pack battery as claimed in claim 3, wherein the edge of the top of the casing and the insulating plate are further provided with a corresponding number of openings, and through one or more fixing parts through the The insulating plate is locked on the casing by opening holes. The series-parallel device for soft-pack batteries according to claim 3, wherein the connecting pieces further comprise a plurality of first connecting pieces, the first connecting pieces are L-shaped pieces, and have a plurality of tab grooves and a plurality of The connecting piece openings are parallel to each other, and the pole ear grooves are arranged alternately with the connecting piece openings. The series-parallel device for soft-pack batteries according to claim 5, wherein the connecting pieces further comprise a plurality of second connecting pieces, the second connecting pieces are sheet-shaped and have a plurality of tab grooves and a plurality of connections The tab openings are parallel to each other, and are alternately arranged with the connecting tab openings. The series-parallel device for soft-pack batteries according to claim 6, wherein the connecting pieces further comprise a plurality of third connecting pieces, the third connecting pieces are sheet-shaped and have a plurality of tab grooves and a plurality of connections The tab openings are arranged in a plurality of rows, and the tabs are parallel to each other, and are alternately arranged with the connecting tab openings. The series-parallel device for soft-pack batteries according to claim 4, wherein the fixing members are composed of a plurality of screws and a plurality of nuts, and the openings are composed of a plurality of screw holes.

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