CN213878286U

CN213878286U - Battery structure capable of changing cell string number

Info

Publication number: CN213878286U
Application number: CN202022866426.9U
Authority: CN
Inventors: 何东甫; 刘斌生
Original assignee: Fujian Scud Power Technology Co Ltd
Current assignee: Fujian Scud Power Technology Co Ltd
Priority date: 2020-12-03
Filing date: 2020-12-03
Publication date: 2021-08-03
Anticipated expiration: 2030-12-03

Abstract

The utility model discloses a battery structure of convertible electricity core cluster number, including battery module and adjustable length long screw, the right-hand member of battery module is provided with support A, and the left end of battery module is provided with support B, support A's the right-hand baffle C that is provided with, and baffle C's both sides are provided with battery connection piece A, adjustable length long screw sets up in support A's inboard all around, and the right-hand member of adjustable length long screw is provided with the screw rod lock and pays the screw, the top of battery module is provided with series signal acquisition board A, and the below of battery module is provided with series signal acquisition board B. This battery structure of convertible electricity core cluster number is provided with series signal acquisition board A, and series signal acquisition board A all adopts the processing of customized PCM technology to come with series signal acquisition board B, and the accessible is adjusted different length PCB board length and inside and is walked the line and realize the series number regulation increase of cylinder battery module, improves the suitability of battery module.

Description

Battery structure capable of changing cell string number

Technical Field

The utility model relates to a multisection lithium cell series-parallel's group battery technical field specifically is a battery structure of convertible electric core cluster number.

Background

Nowadays, with the great development of the new energy field, the structures of the battery packs in the power battery products are various, and people have higher and higher requirements on the structural universality of the battery packs. Therefore, how to design a solution to increase the number of strings of batteries without increasing the types of battery holders becomes a problem to be considered in the design process.

Power battery structure in use on market carries out the customization design of dedicated series-parallel connection support scheme according to the electric core series-parallel connection of difference usually, carry out the customization die sinking after the support design is accomplished, the commonality is relatively poor, current general support structure on the market often inlays for combining for each other between the ramuscule and comes, but when meetting the rectangular cylindrical battery package structure that this scheme required, if the increase of electric core cluster number is carried out to needs, the current combination support of inlaying on the market still can't satisfy the demand, for this reason, we propose the battery structure of a convertible electric core cluster number.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a battery structure of convertible electricity core cluster number, carry out the customization design of dedicated cluster parallel support scheme with solving the power battery structure in use who proposes among the above-mentioned background art according to the electricity core cluster parallel connection of difference usually, carry out the customization die sinking after the support design is accomplished, the commonality is relatively poor, current general support structure is usually for piecing together each other between little support and inlay and combine to come on the market, but when meetting the rectangular cylindrical battery package structure that this scheme required, if need carry out the increase of electricity core cluster number, inlay the problem that the combination support still can't satisfy the demand on the current market.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a battery structure of convertible electricity core cluster number, includes battery module and adjustable length long screw, the right-hand member of battery module is provided with support A, and the left end of battery module is provided with support B, support A's the right-hand baffle C that is provided with, and baffle C's both sides are provided with battery connection piece A, adjustable length long screw sets up in support A's inboard all around, and adjustable length long screw's right-hand member is provided with the screw rod lock screw, battery module's rightmost battery connection piece B that is provided with, the top of battery module is provided with series connection signal acquisition board A, and the below of battery module is provided with series connection signal acquisition board B.

Preferably, the support A and the support B are symmetrically distributed along the vertical central axis of the battery module, and the shape and the structure of the support A are matched with those of the support B.

Preferably, the shape and the structure of the bracket B are matched with those of the partition plate C, and the partition plate C is embedded in the surface of the bracket B.

Preferably, the battery tab a is sized 1/2 of battery tab B, and a set of battery tabs a constitutes battery tab B.

Preferably, the series signal acquisition board A and the series signal acquisition board B are symmetrically distributed along the horizontal central axis of the battery module, and the length of the series signal acquisition board A is matched with the length-adjustable long screw rod.

Preferably, the battery module forms a clamping structure with the long screw rod with adjustable length through the bracket A, and the long screw rod with adjustable length is in threaded connection with the screw rod locking screw.

Compared with the prior art, the beneficial effects of the utility model are that: the battery structure with the changeable cell string number is provided with a support A, the support A and the support B are symmetrically distributed along the vertical central axis of a battery module, the support A and the support B are both formed by plastic mold injection molding and used for cell assembly, the support A, the support B and the battery module are matched in shape, so that the cell inside the battery module is effectively clamped and limited, the cell is prevented from shaking and falling, the shape structure between the support A and the support B is identical, the universality of the battery module is improved, and the structural complexity of the battery module is reduced;

the shape and structure of the bracket B are matched with those of the partition plate C, the shape and structure of the bracket B is matched with those of the partition plate C, so that the partition plate C is conveniently clamped to the surface of the bracket B, and the partition plate C is formed by injection molding of a plastic mold, so that the partition plate C is effectively used for insulation and protection between the battery modules, avoids the damage caused by cutting and rubbing between the battery modules, reduces the service life of the bracket A and the bracket B, and simultaneously avoids the danger caused by a large amount of heat energy generated by discharge due to collision between the battery cells in the battery modules;

series signal acquisition board A and series signal acquisition board B all adopt the processing of customized PCM technology to come along the horizontal axis line symmetric distribution of battery module, series signal acquisition board A and series signal acquisition board B, the accessible is adjusted different length PCB board length and is walked the line inside and realize the series number regulation increase of cylinder battery module, improve the suitability of battery module, the phase-match between the length of series signal acquisition board A and the adjustable length long screw is convenient for the two and increases simultaneously along with the increase of battery module series number.

Drawings

Fig. 1 is a schematic diagram of the explosion structure of the present invention;

FIG. 2 is a schematic diagram of a single-unit series connection explosion structure of the present invention;

fig. 3 is an enlarged schematic view of a portion a in fig. 1 according to the present invention.

In the figure: 1. a battery module; 2. a bracket A; 3. a bracket B; 4. a separator C; 5. a long screw rod with adjustable length; 6. a battery connecting sheet A; 7. a battery connecting sheet B; 8. a signal acquisition board A is connected in series; 9. a signal acquisition board B is connected in series; 10. the screw rod is locked with the screw.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a battery structure with changeable cell string number comprises a battery module 1, a support A2, a support B3, a partition plate C4, a long screw 5 with adjustable length, a battery connection plate A6, a battery connection plate B7, a series signal acquisition plate A8, a series signal acquisition plate B9 and screw locking screws 10, wherein the support A2 is arranged at the right end of the battery module 1, the support B3 is arranged at the left end of the battery module 1, the partition plate C4 is arranged at the right side of the support A2, the battery connection plate A6 is arranged on two sides of the partition plate C4, the long screw 5 with adjustable length is arranged on the inner side of the periphery of the support A2, the screw locking screws 10 are arranged at the right end of the long screw 5 with adjustable length, the battery connection plate B7 is arranged on the rightmost side of the battery module 1, the series signal acquisition plate A8 is arranged above the battery module 1, and the series signal acquisition plate B9 is arranged below the battery module 1;

the battery module is characterized in that the supports A2 and the supports B3 are symmetrically distributed along the vertical central axis of the battery module 1, the supports A2 and the supports B3 are matched in shape and structure, the supports A2 and the supports B3 are formed by plastic mold injection molding and are used for battery cell assembly, the supports A2 and the supports B3 are matched with the battery module 1 in shape, therefore, the battery cells in the battery module 1 are effectively clamped and limited, the battery cells are prevented from shaking and falling off, the shapes and structures of the supports A2 and the supports B3 are matched, the universality of the battery module 1 is improved, and the structural complexity of the battery module 1 is reduced;

the shape and structure of the bracket B3 are matched with those of the partition plate C4, the partition plate C4 is embedded on the surface of the bracket B3, the shape and structure of the bracket B3 is matched with that of the partition plate C4, so that the partition plate C4 is clamped on the surface of the bracket B3, and the partition plate C4 is formed by injection molding of a plastic mold, so that the insulation and protection among the battery modules 1 are effectively realized, the damage caused by rubbing between the battery modules 1 is avoided, the service life of the bracket A2 and the bracket B3 is reduced, and the danger caused by a large amount of heat energy generated by the collision among the battery cells in the battery modules 1 is avoided;

the size of the battery connecting sheet A6 is 1/2 of the battery connecting sheet B7, and a group of battery connecting sheets A6 form the battery connecting sheet B7, because the size of the battery connecting sheet A6 is 1/2 of the battery connecting sheet B7, the use of materials is reduced, and the series connection of the internal cells of a single battery module 1 is facilitated, so that the battery module 1 effectively forms a power battery structure, the shape of the battery connecting sheet B7 is formed by splicing, welding and integrating a group of battery connecting sheets A6, and the instability of the connecting sheets when the internal cell groups of the final battery module 1 are connected in series is reduced;

the series signal acquisition board A8 and the series signal acquisition board B9 are symmetrically distributed along the horizontal central axis of the battery module 1, the length of the series signal acquisition board A8 is matched with the length-adjustable long screw 5, the series signal acquisition board A8 and the series signal acquisition board B9 are processed by adopting a customized PCM process, the adjustment and the increase of the series number of the cylindrical battery module 1 can be realized by adjusting the lengths of PCBs with different lengths and internal routing, the adaptability of the battery module 1 is improved, and the matching between the length of the series signal acquisition board A8 and the length-adjustable long screw 5 is convenient for the simultaneous increase of the series number of the cylindrical battery module 1;

battery module 1 constitutes the block structure through support A2 and adjustable length long screw 5, and be threaded connection between adjustable length long screw 5 and the screw locking screw 10, thereby the user is manual to pass adjustable length long screw 5 through the support A2 of different battery module 1 both sides and the surperficial through-hole of support B3 and effectively run through fixedly between the different battery modules 1, adjustable length long screw 5 adopts low carbon steel machine tooling to form, carry out the locking between the different quantity battery modules 1 through the regulation of different length and pay, the screw locking screw 10 set up be used for the dismantlement between adjustable length long screw 5 and the battery module 1.

The working principle is as follows: for the battery structure with the changeable cell string number, firstly, a support A2 and a support B3 are both formed by injection molding of plastic molds and are used for cell assembly, the support A2 is matched with the support B3 in shape with the battery module 1, so that the cell inside the battery module 1 is clamped and limited, the shapes and the structures of the support A2 and the support B3 are matched, the universality of the battery module 1 is improved, the shapes and the structures of the support B3 and the partition C4 are matched and are used for clamping the partition C4 to the surface of the support B3, the partition C4 is formed by injection molding of the plastic molds and is used for insulation and protection between the battery modules 1, because the size of a battery connecting sheet A6 is 1/2 of a battery connecting sheet B7, the serial connection of the cells inside a single battery module 1 is facilitated while the use of materials is reduced, the battery module 1 forms a power battery structure, and the shape of the battery connecting sheet B7 is formed by splicing and welding a group of battery connecting sheets A6, the instability of connecting sheets when the last battery core group in the battery module 1 at the tail end is connected in series is reduced, the series signal acquisition board A8 and the series signal acquisition board B9 are processed by adopting a customized PCM process, the adjustment increase of the series number of the cylindrical battery module 1 can be realized by adjusting the lengths of PCBs with different lengths and internal routing, the adaptability of the battery module 1 is improved, the length of the series signal acquisition board A8 is matched with the long screw 5 with adjustable length, so that the lengths of the series signal acquisition board A8 and the long screw 5 with adjustable length are increased along with the increase of the series number of the battery module 1, a user manually penetrates the long screw 5 with adjustable length through holes on the surfaces of a bracket A2 and a bracket B3 on two sides of different battery modules 1 so as to penetrate and fix the different battery modules 1, the long screw 5 with adjustable length is machined by adopting low carbon steel, and the locking between the battery modules 1 with different numbers is realized by the adjustment of different lengths, the screw locking screw 10 is provided for the detachment between the length-adjustable long screw 5 and the battery module 1.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a battery structure of convertible electricity core cluster number, includes battery module (1) and adjustable length long screw (5), its characterized in that: the right-hand member of battery module (1) is provided with support A (2), and the left end of battery module (1) is provided with support B (3), the right-hand baffle C (4) that is provided with of support A (2), and the both sides of baffle C (4) are provided with battery connection piece A (6), adjustable length long screw rod (5) set up inboard all around in support A (2), and the right-hand member of adjustable length long screw rod (5) is provided with screw rod lock screw (10), the rightmost battery connection piece B (7) that is provided with of battery module (1), the top of battery module (1) is provided with series connection signal acquisition board A (8), and the below of battery module (1) is provided with series connection signal acquisition board B (9).

2. The battery structure capable of changing the number of the cell strings according to claim 1, wherein: the support A (2) and the support B (3) are symmetrically distributed along the vertical central axis of the battery module (1), and the shape and the structure of the support A (2) are matched with those of the support B (3).

3. The battery structure capable of changing the number of the cell strings according to claim 1, wherein: the shape and the structure of the bracket B (3) are matched with those of the partition plate C (4), and the partition plate C (4) is embedded on the surface of the bracket B (3).

4. The battery structure capable of changing the number of the cell strings according to claim 1, wherein: the size of the battery connecting sheet A (6) is 1/2 of the battery connecting sheet B (7), and a group of battery connecting sheets A (6) form the battery connecting sheet B (7).

5. The battery structure capable of changing the number of the cell strings according to claim 1, wherein: the series signal acquisition board A (8) and the series signal acquisition board B (9) are symmetrically distributed along the horizontal central axis of the battery module (1), and the length of the series signal acquisition board A (8) is matched with the length-adjustable long screw rod (5).

6. The battery structure capable of changing the number of the cell strings according to claim 1, wherein: the battery module (1) and the long screw rod (5) with adjustable length form a clamping structure through the support A (2), and the long screw rod (5) with adjustable length is in threaded connection with the screw rod locking screw (10).