CN108807762B - A reconfigurable battery module - Google Patents

Abstract

The present invention discloses a recombinable and transformable battery module, including a first battery module, a second battery module, and a third battery module. The first battery module is connected to the second battery module by screws, and the third battery module is connected to the second battery module by screws, so that the first battery module, the second battery module, and the third battery module form a combined battery module. The present invention has a simple structure and a reasonable design. The space is reduced by using a combination of brackets, and the one-way fixation is simple to operate and reduces the cost. After the brackets are combined, the middle bracket can not only position the battery cell, but also form an isolation partition, which is safe and reliable. The recombination of different modules and the change of the fixed position direction form a new module, which has strong versatility. The hook fixes the adapter plate or circuit board and the positioning harness, and the process is simple, safe and reliable. Multiple battery modules are connected by laser spot welding of the adapter plate, which is quick and convenient, efficient, safe and reliable.

Description

A reconfigurable battery module

Technical Field

The present invention relates to the technical field of storage batteries, and in particular to a reconfigurable and transformable battery module.

Background technique

With the development of electric vehicles and drones, the shape of batteries needs to become more complex and special due to the need for styling space. However, for battery manufacturing, how to ensure the convenience of battery manufacturing and safety of use while meeting the overall styling requirements is crucial to both battery cost and the overall product styling.

The battery cell bracket generally exists in a sleeve-type solution. During assembly, the upper and lower brackets must be used together. Especially in a shell with limited space, it is necessary to design multiple left and right brackets for use together. The process is complicated and the cost is high. How to achieve the maximum flow rate at the lowest cost is a problem worth studying.

Summary of the invention

The purpose of the present invention is to overcome the deficiencies in the above-mentioned prior art and to provide a reconfigurable and transformable battery module which is simple in structure, convenient in operation and practical.

The present invention is achieved by the following methods:

A reconfigurable battery module, characterized in that it comprises a first battery module, a second battery module and a third battery module, wherein the first battery module comprises a first upper bracket, a first middle bracket and a first lower bracket which are injection-molded by engineering plastics and have regularly distributed circular through holes for positioning battery cells, the first upper bracket and the first lower bracket are provided with regularly distributed circular and/or rectangular grooves which can be used for spot welding and fixing of nickel sheets; the first middle bracket is provided with regularly distributed circular through holes for positioning battery cells;

The second battery module comprises a second upper bracket, a second middle bracket, and a second lower bracket which are injection-molded by engineering plastics and have regularly distributed circular through holes for positioning the battery cells; the second upper bracket and the second lower bracket are provided with regularly distributed circular and/or rectangular grooves which can be used for spot welding and fixing of nickel sheets; the second middle bracket is regularly provided with circular through holes for positioning the battery cells;

The third battery module comprises a third upper bracket and a third lower bracket which are injection-molded by engineering plastics and have regularly distributed circular through holes for positioning the battery cells; the third upper bracket and the third lower bracket are provided with regularly distributed circular and/or rectangular grooves which can be used for spot welding and fixing of nickel sheets;

The first upper bracket and the first lower bracket are provided with first nut columns and first clearance slots on the left and right sides, the second upper bracket and the second lower bracket are provided with a plurality of second nut columns and second clearance slots on the left and right sides, the third upper bracket and the third lower bracket are provided with a plurality of third nut columns and third clearance slots on the left and right sides, the second nut columns on the left side of the second upper bracket and the second lower bracket are connected to the first nut columns on the right side of the first upper bracket and the first lower bracket corresponding thereto by screws, the third nut columns on the left side of the third upper bracket and the third lower bracket are connected to the first nut columns on the right side of the first upper bracket and the first lower bracket corresponding thereto by screws, so that the first battery module, the second battery module and the third battery module form a combined battery module.

Furthermore, hooks for fixing the adapter plate and positioning the wiring harness are respectively extended from the first upper bracket, the first lower bracket, the second upper bracket, the second lower bracket, the third upper bracket and the third lower bracket.

The beneficial effects of the present invention are: simple structure, reasonable design, space reduction through the combined use of brackets, unidirectional fixation, simple operation, and reduced cost; after the brackets are combined, the middle bracket can not only position the battery cell, but also form an isolation partition, which is safe and reliable; different modules can be reorganized and the fixed position direction can be changed to form a new module, which has strong versatility; the adapter plate or circuit board is fixed by a hook and the wiring harness is positioned, and the process is simple, safe and reliable; multiple battery modules are connected by laser spot welding of the adapter plate, which is quick and convenient, efficient, safe and reliable.

BRIEF DESCRIPTION OF THE DRAWINGS

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

FIG2 is a schematic diagram of the structure of a first battery module of the present invention;

FIG3 is a schematic diagram of the structure of a second battery module of the present invention;

FIG4 is a schematic diagram of the structure of a third battery module of the present invention;

Fig. 5 is a schematic diagram of the present invention in use.

Detailed ways

In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, rather than all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work belong to the scope of protection of the present invention. Therefore, the following detailed description of the embodiments of the present invention provided in the drawings is not intended to limit the scope of the invention claimed for protection, but merely represents the selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work belong to the scope of protection of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

Example:

A reconfigurable battery module, as shown in FIG1, FIG2, FIG3, and FIG4, includes a first battery module A, a second battery module B, and a third battery module C. The first battery module A includes a first upper bracket 1, a first middle bracket 2, and a first lower bracket 3, which are injection-molded by engineering plastics and have regularly distributed circular through holes for positioning battery cells. The first upper bracket 1 and the first lower bracket 3 are provided with regularly distributed circular and/or rectangular grooves that can be used for spot welding and fixing of nickel sheets; the first middle bracket 2 is regularly distributed with circular through holes for positioning battery cells;

The second battery module B comprises a second upper bracket 4, a second middle bracket 5, and a second lower bracket 6 which are injection-molded by engineering plastics and have regularly distributed circular through holes for positioning the battery cells. The second upper bracket 4 and the second lower bracket 6 are provided with regularly distributed circular and/or rectangular grooves which can be used for spot welding and fixing of the nickel sheet; the second middle bracket 5 is regularly distributed with circular through holes for positioning the battery cells;

The third battery module C comprises a third upper bracket 7 and a third lower bracket 8 which are injection-molded by engineering plastics and have regularly distributed circular through holes for positioning the battery cells; the third upper bracket 7 and the third lower bracket 8 are provided with regularly distributed circular and/or rectangular grooves which can be used for spot welding and fixing of nickel sheets;

The first upper bracket 1 and the first lower bracket 3 are provided with first nut columns 11 and first clearance slots 12 on the left and right sides, the second upper bracket 4 and the second lower bracket 6 are provided with a plurality of second nut columns 41 and second clearance slots 42 on the left and right sides, the third upper bracket 7 and the third lower bracket 8 are provided with a plurality of third nut columns 71 and third clearance slots 72 on the left and right sides, the second nut column 41 on the left side of the second upper bracket 4 and the second lower bracket 6 is connected to the corresponding first nut column 11 on the right side of the first upper bracket 1 and the first lower bracket 3 by screws, the third nut column 71 on the left side of the third upper bracket 7 and the third lower bracket 8 is connected to the corresponding first nut column 11 on the right side of the first upper bracket 1 and the first lower bracket 3 by screws, so that the first battery module A, the second battery module B, and the third battery module C form a combined battery module.

In this embodiment, hooks 9 for fixing the adapter plate and positioning the wiring harness are respectively extended from the first upper bracket 1, the first lower bracket 3, the second upper bracket 4, the second lower bracket 6, the third upper bracket 7 and the third lower bracket 8.

In this embodiment, as shown in FIG. 5 , two assembled battery modules are assembled together, and the battery bracket is composed of two assembled battery modules; the left and right sides of the battery bracket are provided with nut columns of varying numbers, and the nut columns match the clearance slots on the bracket, and the battery bracket locks the nut columns of the next battery bracket by screws passing through the clearance slots on the sides that match the bracket, thereby forming an assembled battery module.

In this embodiment, the structural commonality of the first battery module A, the second battery module B, and the third battery module C is utilized, and the directions are adjusted and the modules are fixed in different positions, so that the modules become modules with mirror structures or special structures, which have strong commonality and reduce costs.

In this embodiment, the two combined battery modules are connected by an adapter plate fixed on the hook 9; a mounted nickel sheet is welded on the adapter plate, and the nickel sheets on different modules are laser spot welded to the mounted nickel sheet of the adapter plate. The connection of different modules or modules can be achieved by connecting multiple adapter plates.

The above descriptions are merely embodiments of the present invention and are not intended to limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made using the contents of the present invention specification and drawings, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims (2)

1. A reconfigurable battery module, characterized in that it comprises a first battery module (A), a second battery module (B), and a third battery module (C), wherein the first battery module (A) comprises a first upper bracket (1), a first middle bracket (2), and a first lower bracket (3) which are injection-molded from engineering plastics and have regularly distributed circular through holes for positioning battery cells, the first upper bracket (1) and the first lower bracket (3) are provided with regularly distributed circular and/or rectangular grooves which can be used for spot welding and fixing of nickel sheets; the first middle bracket (2) is regularly provided with circular through holes for positioning battery cells; The second battery module (B) comprises a second upper bracket (4), a second middle bracket (5), and a second lower bracket (6) which are injection-molded from engineering plastics and have regularly distributed circular through holes for positioning the battery cells; the second upper bracket (4) and the second lower bracket (6) are provided with regularly distributed circular and/or rectangular grooves which can be used for spot welding and fixing of the nickel sheet; the second middle bracket (5) is regularly provided with circular through holes for positioning the battery cells; The third battery module (C) comprises a third upper bracket (7) and a third lower bracket (8) which are injection-molded from engineering plastics and have regularly distributed circular through holes for positioning the battery cells; the third upper bracket (7) and the third lower bracket (8) are provided with regularly distributed circular and/or rectangular grooves which can be used for spot welding and fixing of nickel sheets; The first upper bracket (1) and the first lower bracket (3) are provided with first nut columns (11) and first clearance slots (12) on the left and right sides, the second upper bracket (4) and the second lower bracket (6) are provided with a plurality of second nut columns (41) and second clearance slots (42) on the left and right sides, the third upper bracket (7) and the third lower bracket (8) are provided with a plurality of third nut columns (71) and third clearance slots (72) on the left and right sides, the second nut columns (41) on the left side of the second upper bracket (4) and the second lower bracket (6) are connected to the first nut columns (11) on the right side of the first upper bracket (1) and the first lower bracket (3) corresponding thereto by screws, the third nut columns (71) on the left side of the third upper bracket (7) and the third lower bracket (8) are connected to the first nut columns (11) on the right side of the first upper bracket (1) and the first lower bracket (3) corresponding thereto by screws, so that the first battery module (A), the second battery module (B) and the third battery module (C) form a combined battery module. 2. A reconfigurable battery module according to claim 1, characterized in that: the first upper bracket (1), the first lower bracket (3), the second upper bracket (4), the second lower bracket (6), the third upper bracket (7) and the third lower bracket (8) are respectively extended with hooks (9) for fixing the adapter plate and positioning the wiring harness.