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A welding-free combined battery pack

A battery pack, welding-free technology, applied in battery pack parts, circuits, electrical components, etc., can solve product quality problems, leakage welding, virtual welding and other problems, to facilitate rapid maintenance, reduce costs, and save process steps Effect

Active Publication Date: 2020-06-23
浙江鑫联新能源科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Adjacent single batteries are generally connected by conductive sheets, and the positive and negative electrodes of the battery are connected to the conductive sheets by spot welding. There is a risk of false welding or missing welding during the welding process, resulting in product quality problems

Method used

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  • A welding-free combined battery pack
  • A welding-free combined battery pack
  • A welding-free combined battery pack

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] Embodiment 1: A kind of weld-free combined battery pack (see attached figure 1 to attach image 3 ), including a number of assemblies 1 connected together. In this embodiment, there are two groups of assemblies. The assembly includes an upper cover 2, a lower cover 3, and several sets of battery cells 4 installed between the upper cover and the lower cover. Each Four sets of battery cells are arranged in a combination, and the upper cover and the lower cover are closely connected together. Fastening screws 5 are connected to the battery pack, and the fastening screws fasten the upper cover and the lower cover of the assembly and the two adjacent assemblies together. A fastening screw is connected to the four corners of the battery pack. Between the upper cover and the lower cover of two adjacent assemblies is connected the connecting sheet assembly 6 for conducting the battery unit, between the upper cover of the assembly at the upper end of the battery pack and the u...

Embodiment 2

[0028] Embodiment 2: A kind of weld-free combined battery pack (see attached Figure 4 to attach Image 6 ), its structure is similar to that of Embodiment 1, the main difference is that in this embodiment, between the upper cover and the lower cover of two adjacent assemblies and between the upper cover and the lower cover of the same assembly through the tongue 25 and the card Slot 26 is engaged. An extension plate 27 is arranged on the upper cover of the same assembly, a card slot is arranged on the extension plate, and a tab is arranged on the lower cover. In two adjacent assemblies, an extension plate is arranged on the lower cover of the upper assembly, and a tab is arranged on the upper cover of the lower assembly.

[0029] The assembly columns above all the battery units are connected together by the upper pull plate 28 to form a whole, the assembly columns below all the battery units are connected together by the lower pull plate to form a whole, and the upper cover...

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Abstract

The invention discloses a welding-free combined battery pack, which aims to solve the problem of spot welding the two stages of the battery and the conductive sheet when the combined battery pack is assembled, and there is a risk of virtual welding and missing welding, which affects product quality and increases spot welding. The process steps increase the lack of cost. The invention includes several assemblies connected together. The assembly includes an upper cover, a lower cover, and several sets of battery cells installed between the upper cover and the lower cover. The upper cover and the lower cover are closely connected together. Two adjacent assemblies The upper cover and the lower cover of the battery pack are connected to the connecting plate assembly for conducting the battery unit, the upper cover of the battery pack at the upper end and the upper end of the battery unit, and the lower cover of the battery pack at the lower end of the battery pack and the lower end of the battery unit. A plurality of conductive sheets for connecting the battery cells are installed, the conductive sheets are abutted on the electrodes of the battery cells, and the connecting sheet assembly and the electrodes of the battery cells are abutted together.

Description

technical field [0001] The present invention relates to a battery pack, more particularly, it relates to a welding-free assembled battery pack. Background technique [0002] The battery pack is generally composed of single cells connected in series and in parallel to meet various applicable occasions. Adjacent single batteries are generally connected with conductive sheets, and the positive and negative electrodes of the battery are connected with the conductive sheets by spot welding. There is a risk of false welding or missing welding during the welding process, resulting in product quality problems. Contents of the invention [0003] The invention overcomes the need to spot weld the two stages of the battery and the conductive sheet when assembling the combined battery pack, which has the risk of virtual welding and missing welding, which affects product quality, and increases the process steps of spot welding, which increases the cost. A welding-free combined battery ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01M2/20H01M2/10H01M50/147H01M50/20H01M50/502
CPCY02E60/10
Inventor 李星辉李文杰
Owner 浙江鑫联新能源科技有限公司
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