Special connector for battery cell of energy storage system

Abstract

The invention belongs to the technical field of battery cells of energy storage systems, and discloses a special connector for battery cells of energy storage systems, which comprises a battery panel I and a battery panel II, the outer end of the battery panel I is abutted against the outer end of the battery panel II, and the battery cell of the battery panel I is fixedly connected with a movable copper bar. One end of the movable copper bar is fixedly connected with a busbar contact elastic sheet, the copper bar is inserted into the inner side of one end of the busbar contact elastic sheet, and the outer end of the copper bar is fixedly connected with the battery cell of the second battery panel, so that the maintenance cost of the battery cell of the energy storage battery system can be effectively reduced, and the utilization rate of the battery cell of the energy storage battery system is improved; the battery cell replacement efficiency of an energy storage battery system can be improved, the maintenance time can be shortened, rapid replacement of battery cells of an energy storage power station can be accelerated, overheat of the battery cells caused by over-current of the battery cells can be reduced, multi-claw elastic sheet contact is adopted, the problems of temperature rise, over-current and the like can be reduced, and a protection can be provided for a new energy battery; and a powerful guarantee is provided for promoting social intellectualization and pollution-free advancement.

Description

Technical Field

[0001] The present invention relates to the technical field of battery cells for energy storage systems, and in particular to a special connector for battery cells for energy storage systems. Background Art

[0002] With the advancement of global carbon neutrality and energy transformation, new energy storage is facing unprecedented development opportunities worldwide. In 2023, China's energy storage industry has achieved leapfrog development under the favorable policies, business models and other factors, and has become a strong support for my country's energy transformation. Energy storage is an indispensable force for my country to achieve carbon neutrality and build a clean, low-carbon, safe and efficient new power system. Ensuring safety, reducing costs and improving efficiency are the issues we need to face.

[0003] In this context, this patent solves the problem from a practical perspective and provides impetus for the development of energy storage battery systems. Summary of the invention

[0004] The purpose of the present invention is to solve the problems of improving the connection efficiency of energy storage battery cells, improving the maintainability and replaceability of energy storage battery cell monomers, reducing the cell maintenance cost, and reducing the operation and maintenance cost of the energy storage system. The present invention provides a special connector for battery cells of an energy storage system.

[0005] In order to achieve the above-mentioned purpose, the present invention specifically adopts the following technical solutions: A special connector for battery cells of an energy storage system comprises a battery plate 1 and a battery plate 2, wherein the outer end of the battery plate 1 abuts against the outer end of the battery plate 2, the battery cell of the battery plate 1 is fixedly connected with a movable copper bar, one end of the movable copper bar is fixedly connected with a bus contact spring sheet, a copper bar is inserted inside one end of the bus contact spring sheet, and the outer end of the copper bar is fixedly connected with the battery cell of the battery plate 2.

[0006] Furthermore, an insulating protective sleeve is fixedly mounted on the outer end of the busbar contact spring.

[0007] Furthermore, an insulating protective sleeve fixing buckle is slidably connected to the inner wall of the insulating protective sleeve, and an outer end of the insulating protective sleeve fixing buckle abuts against an outer end of the busbar contact spring.

[0008] Furthermore, two ends of the insulating protective sleeve fixing buckle are clamped with the outer end of the insulating protective sleeve.

[0009] Furthermore, heat dissipation holes are arranged on both sides of the outer end of the insulating protective sleeve.

[0010] Furthermore, the bus contact spring piece is composed of multi-claw spring pieces.

[0011] The beneficial effects of the present invention are as follows: 1. The present invention can effectively reduce the maintenance cost of the battery cells of the energy storage battery system and improve the utilization rate of the battery cells of the energy storage battery system; 2. The present invention can improve the efficiency of replacing battery cells in energy storage battery systems, reduce maintenance time, and speed up the rapid replacement of battery cells in energy storage power stations; 3. The present invention can reduce the problem of overcurrent in the battery cell, which leads to overheating of the battery cell. The multi-claw spring contact can reduce the problems of temperature rise and overcurrent. 4. The present invention can provide protection for new energy batteries and provide a strong guarantee for promoting the advancement of intelligent, green and pollution-free society. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 It is a schematic diagram of the connection structure of the copper busbar and the movable copper busbar of the present invention; Figure 3 It is a schematic diagram of the busbar contact spring structure of the present invention.

[0013] Figure numerals: 1. copper busbar; 2. insulating protective cover; 3. insulating protective cover fixing buckle; 4. busbar contact spring; 5. movable copper busbar; 6. battery panel one; 7. battery panel two. DETAILED DESCRIPTION

[0014] 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, not all of the embodiments. Generally, the components of the embodiments of the present invention described and shown in the drawings here can be arranged and designed in various different configurations.

[0015] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the invention claimed for protection, but merely represents 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 creative work are within the scope of protection of the present invention.

[0016] It should be noted that similar reference numerals and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further defined and explained in the subsequent drawings. In addition, the terms "first", "second", etc. are only used to distinguish the description and cannot be understood as indicating or implying relative importance.

[0017] In the description of the embodiments of the present invention, it should be noted that the terms "inside", "outside", "upper", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, or are the orientations or positional relationships in which the utility model product is usually placed when in use. They 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 a limitation on the present invention.

[0018] like Figures 1 to 3 As shown, a special connector for battery cells of an energy storage system includes a battery plate 1 6 and a battery plate 2 7, the outer end of the battery plate 1 6 is abutted against the outer end of the battery plate 2 7, the battery cell of the battery plate 1 6 is fixedly connected with a movable copper bus 5, one end of the movable copper bus 5 is fixedly connected with a bus contact spring 4, a copper bus 1 is inserted into the inner side of one end of the bus contact spring 4, and the outer end of the copper bus 1 is fixedly connected to the battery cell of the battery plate 2 7; specifically, the battery cell is taken out from the battery plate 1 6 and the battery 2 7, and the movable copper bus 5 and the copper bus 1 are separated by the action of the bus contact spring 4, so as to improve the efficiency of replacing the battery cells of the energy storage battery system, reduce the maintenance time, and speed up the rapid replacement of the battery cells of the energy storage power station.

[0019] like Figure 1 and Figure 2 As shown, the outer end of the busbar contact spring piece 4 is fixedly mounted with an insulating protective sleeve 2, the inner wall of the insulating protective sleeve 2 is slidably connected with an insulating protective sleeve fixing buckle 3, the outer end of the insulating protective sleeve fixing buckle 3 abuts against the outer end of the busbar contact spring piece 4, and the two ends of the insulating protective sleeve fixing buckle 3 are clamped with the outer end of the insulating protective sleeve 2; Specifically, the bus contact spring piece 4 at the connection between the movable copper bus 5 and the copper bus 1 is protected by the insulating protective cover 2, and the insulating protective cover fixing buckle 3 is passed through the insulating protective cover 2 and fixed on the insulating protective cover 2, so that the outer end of the insulating protective cover fixing buckle 3 contacts the bus contact spring piece 4, so that the insulating protective cover 2 is stably fixed on the bus contact spring piece 4, thereby improving the protection effect of the connector.

[0020] like Figure 1 , Figure 2 and Figure 3 As shown, heat dissipation holes are arranged on both sides of the outer end of the insulating protective cover 2, and the bus contact spring 4 is composed of multi-claw springs; specifically, the use of multi-claw spring contact can reduce the problem of overcurrent in the battery cell causing overheating of the battery cell.

[0021] In summary: when the battery cells need to be connected, the movable copper busbar 5 equipped with the busbar contact spring 5 is fixed on the battery cell, the insulating protective cover 2 is put on the busbar contact spring 4 and the insulating protective cover fixing buckle 3 passes through the insulating protective cover 2, the insulating protective cover 2 is fixed on the busbar contact spring 4, one end of the copper busbar 1 is inserted into the busbar contact spring 4, and the other end is fixed on the battery cell, so as to facilitate the connection of the battery cells; When the battery cell needs maintenance, the insulating protective cover fixing buckle 3 is taken out from the insulating protective cover 2 to separate the insulating protective cover fixing buckle 3 and the bus contact spring sheet 4, so that the copper bus 1 and the bus contact spring sheet 4 can be quickly separated, which facilitates the replacement efficiency of the energy storage battery system and improves the utilization rate of the energy storage battery system cells; The copper bar 1 and the busbar contact spring 4 adopt multi-claw spring contact, which can reduce the problem of overcurrent in the battery cell causing overheating of the battery cell.

[0022] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions only describe the principles of the present invention. The present invention may be subject to various changes and improvements without departing from the spirit and scope of the present invention. These changes and improvements fall within the scope of the present invention. The scope of protection claimed by the present invention is defined by the attached claims and their equivalents.

Claims

1. A special connector for battery cells of an energy storage system, comprising a battery board 1 (6) and a battery board 2 (7), characterized in that: The outer end of the battery panel 1 (6) is in contact with the outer end of the battery panel 2 (7); the battery cell of the battery panel 1 (6) is fixedly connected to a movable copper busbar (5); one end of the movable copper busbar (5) is fixedly connected to a busbar contact spring sheet (4); a copper busbar (1) is inserted into the inner side of one end of the busbar contact spring sheet (4); and the outer end of the copper busbar (1) is fixedly connected to the battery cell of the battery panel 2 (7).

2. A special connector for battery cells of an energy storage system as claimed in claim 1, characterized in that: An insulating protective sleeve (2) is fixedly mounted on the outer end of the busbar contact spring (4).

3. A special connector for battery cells of an energy storage system as claimed in claim 2, characterized in that: An insulating protective sleeve fixing buckle (3) is slidably connected to the inner wall of the insulating protective sleeve (2), and the outer end of the insulating protective sleeve fixing buckle (3) abuts against the outer end of the busbar contact spring (4).

4. A special connector for battery cells of an energy storage system as claimed in claim 3, characterized in that: Two ends of the insulating protective sleeve fixing buckle (3) are clamped with the outer end of the insulating protective sleeve (2).

5. A special connector for battery cells of an energy storage system as claimed in claim 1, characterized in that: Heat dissipation holes are provided on both sides of the outer end of the insulating protective sleeve (2).

6. A special connector for battery cells of an energy storage system as claimed in claim 1, characterized in that: The bus contact spring piece (4) is composed of multiple claw spring pieces.

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