Electrode connection structure of soft core battery module

Abstract

The utility model discloses an electrode connecting structure of a soft-core battery module, which comprises a soft-core battery module formed by stacking and assembling soft-package battery cells, and an adapter plate is arranged at an electrode end connected with the soft-core battery module; the adapter plate is provided with a plurality of electrical connection areas, the positive electrodes and the negative electrodes of the adjacent soft package battery cells are electrically connected in sequence by the electrical connection areas to form a series-connected soft core battery module, and the adapter plate is provided with a connector lug for electrically connecting the soft core battery module with a battery control system. According to the utility model, the adapter plate with the connector lug is subjected to the structural design of electrical and insulating partition, so that the adapter plate can directly participate in the electrical connection of the electrodes, the battery electrode connection structure is simplified, and the wiring convenience is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the soft core battery package technical field especially relates to an electrode connecting structure of soft core battery module. BACKGROUND

[0002] In the soft core battery package, the electrode of the battery core passes through the adapter plate, and is electrically connected in series or parallel through the bus bars on the adapter plate. Since the multiple bus bars are integrated on the adapter plate, the structure is relatively complex. The bus bars are prone to falling off due to vibration, poor welding, and other factors, and the weight and manufacturing cost of the battery package are increased. Meanwhile, it is not convenient to connect the bus bars to the battery control system. SUMMARY

[0003] The utility model provides an electrode connecting structure of soft core battery module, which overcomes the deficiencies in the prior art. The adapter plate with the terminal is electrically and insulatively partitioned, so that the adapter plate can directly participate in the electrical connection of the electrode, simplifying the battery electrode connecting structure and improving the convenience of wiring.

[0004] Technical scheme: To achieve the above object, the utility model discloses an electrode connecting structure of soft core battery module, which comprises a soft core battery module stacked and assembled by soft package battery cores, and an adapter plate connected to the electrode end of the soft core battery module.

[0005] The adapter plate has a plurality of electrical connection areas, which are sequentially connected to the positive and negative electrodes of the adjacent soft package battery cores, forming a series-connected soft core battery module. The adapter plate is provided with terminal heads for electrically connecting the soft core battery module to the battery control system.

[0006] Further, the adapter plate also has an insulating area. The plate body part of the adapter plate, except for the electrical connection area, is the insulating area.

[0007] Further, the plate surface area of the insulating area is lower than the plate surface area of the electrical connection area on the plate surface of the adapter plate facing the soft core battery module, and the plate surface area of the insulating area is supported by the soft core battery module.

[0008] Further, the adapter plate has through holes corresponding to the positions of the positive and negative electrodes of the soft package battery cores. The positive and negative electrode plates of the soft package battery cores pass through the corresponding through holes, and the positive and negative electrode plates of the soft package battery cores are respectively connected to the electrical connection area of the adapter plate by welding.

[0009] Further, the upper plate surface of the adapter plate is provided with an epoxy plate.

[0010] Further, the terminal head comprises a positive terminal head and a negative terminal head, and the positive terminal head and the negative terminal head have the same structure.

[0011] Further, the positive or negative terminal includes a base and a terminal head which are integrally formed, the base is welded to the electrically connecting area of the adapter plate, and the terminal head is connected to the wire of the battery control system.

[0012] Further, the terminal head is a threaded stud head, and the end of the wire of the battery control system is provided with an electric contact ring which is fastened on the threaded stud head by a nut.

[0013] Beneficial effects: the adapter plate with the terminal is designed to be electrically and insulatively divided, so that the adapter plate can directly participate in the electrical connection of the electrode, thereby eliminating the use of the busbar, simplifying the battery electrode connection structure, reducing the weight, manufacturing cost and failure rate of the soft core battery pack, and in the electrical connection with the battery control system, the terminal is connected to the wire of the battery control system to facilitate wiring. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0015] Figure 2 It is a schematic diagram of the structure of the adapter plate, terminal and soft pack battery core. DETAILED DESCRIPTION

[0016] The utility model will be further described below in combination with the drawings.

[0017] As shown in Figure 1 and Figure 2 , an electrode connection structure of a soft core battery module, comprising a soft core battery module 2 stacked and assembled by soft pack battery cores 1, and an adapter plate 3 is arranged on the electrode end of the soft core battery module 2; the adapter plate 3 has a plurality of electrically connecting areas 4, the electrically connecting areas 4 are sequentially electrically connected to the positive and negative electrodes of adjacent soft pack battery cores 1, to form a series-connected soft core battery module 2, and the adapter plate 3 is provided with a terminal 5 for electrically connecting the soft core battery module 2 and a battery control system. The adapter plate 3 with the terminal 5 is designed to be electrically and insulatively divided, so that the adapter plate 3 can directly participate in the electrical connection of the electrode, thereby eliminating the use of the busbar, simplifying the battery electrode connection structure, reducing the weight, manufacturing cost and failure rate of the soft core battery pack, and in the electrical connection with the battery control system, the terminal 5 is connected to the wire of the battery control system to facilitate wiring.

[0018] As shown in Figure 2As shown, the adapter plate 3 also has an insulating area 6, the plate body part of the adapter plate 3 except the electrically connecting area 4 is the insulating area 6, the electrically connecting area 4 is used for electrical connection, and the insulating area 6 is used for insulation protection to prevent short circuit.

[0019] The adapter plate 3 is provided with a through hole 30 corresponding to the positive and negative electrode positions of the soft package battery cell 1, the positive and negative electrode plates of the soft package battery cell 1 pass through the corresponding through hole 30, and the positive and negative electrode plates of the soft package battery cell 1 are respectively welded and connected with the electrically connecting area 4 of the adapter plate 3. When assembling the adapter plate 3, the adapter plate 3 is temporarily supported by the soft core battery module 2, the plate surface area of the insulating area 6 is lower than the plate surface area of the electrically connecting area 4 on the plate surface of the adapter plate 3 facing the soft core battery module 2, and the plate surface area of the insulating area 6 is supported by the soft core battery module 2, so as to avoid the electrically connecting area 4 directly contacting the soft core battery module 2, thereby improving safety.

[0020] In order to improve the insulation protection of the space between the adapter plate 3 and the battery pack control system, as shown in the drawings, Figure 1 As shown, the upper plate surface of the adapter plate 3 is provided with an epoxy plate 7.

[0021] As shown in the drawings, Figure 2 As shown, the terminal 5 includes a positive terminal and a negative terminal, and the positive terminal and the negative terminal have the same structure. The positive terminal or the negative terminal includes a plate seat 51 and a terminal part 52 which are integrally formed, the plate seat 51 is welded and connected with the electrically connecting area 4 of the adapter plate 3, and the terminal part 52 is connected with the wire of the battery control system. The terminal part 52 is a threaded column head, the end of the wire of the battery control system is provided with an electric contact ring, the electric contact ring is sleeved on the threaded column head and fastened by a nut, and the wiring is more convenient.

[0022] The above is only the preferred embodiment of the present application, and it should be pointed out that for ordinary skilled in the art, without departing from the principle of the present application, a number of improvements and refinements can be made, and these improvements and refinements should be regarded as the protection scope of the present application.

Claims

1. A kind of electrode connection structure of soft-core battery module, comprising soft-core battery module (2) stacked by soft package battery core (1) assembly, the electrode end of connecting soft-core battery module (2) is provided with adapter board (3); characterized in that The adapter board (3) has several electric connection areas (4), the electric connection areas (4) are sequentially connected with the positive and negative poles of adjacent soft package battery core (1) electrically, to form the soft-core battery module (2) of series connection, and the adapter board (3) is provided with the terminal (5) of electrically connecting soft-core battery module (2) and battery control system.

2. The electrode connection structure of a soft-core battery module according to claim 1, characterized by: The adapter board (3) also has insulation area (6), the plate body part of the adapter board (3) except electric connection area (4) is all the insulation area (6).

3. The electrode connection structure of a soft-core battery module according to claim 2, characterized by: The plate surface area of the insulation area (6) is lower than the plate surface area of the electric connection area (4) on the plate surface of the adapter board (3) towards soft-core battery module (2), and the plate surface area of the insulation area (6) is contacted and supported by the soft-core battery module (2).

4. The electrode connection structure of a soft-core battery module according to claim 1, characterized by: The adapter board (3) is provided with through hole (30) corresponding to the positive and negative pole position of the soft package battery core (1), the positive plate and negative plate of the soft package battery core (1) are all through the corresponding through hole (30), and the positive plate and negative plate of the soft package battery core (1) are respectively welded and connected with the electric connection area (4) of the adapter board (3).

5. The electrode connection structure of a soft-core battery module according to claim 1, characterized by: The upper plate surface of the adapter board (3) is provided with epoxy plate (7).

6. The electrode connection structure of a soft-core battery module according to claim 1, characterized by: The terminal (5) includes positive terminal and negative terminal, and the positive terminal and the negative terminal are the same in structure.

7. The electrode connection structure of a soft-core battery module according to claim 6, characterized by: The positive terminal or the negative terminal includes plate seat (51) and terminal part (52) integrally formed, the plate seat (51) is welded and connected with the electric connection area (4) of the adapter board (3), and the terminal part (52) is connected with the wire of battery control system.

8. The electrode connection structure of a soft-core battery module according to claim 7, characterized by: The terminal part (52) is screw head, and the end of the wire of battery control system is provided with electric contact ring, the electric contact ring is sleeved on the screw head and fastened by nut.

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