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Cylindrical battery pack battery

A technology of battery packs and batteries, which is applied to battery pack parts, circuits, electrical components, etc., can solve problems such as leakage of cylindrical battery packs, and achieve the effect of no false welding, avoiding leakage, and firm welding

Pending Publication Date: 2021-11-26
SHENZHEN UTILITY POWER SOURCE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to solve the hidden danger of virtual welding existing in the prior art, and at the same time, the shortcoming that the cylindrical battery pack is prone to leakage, and proposes a cylindrical battery pack battery

Method used

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  • Cylindrical battery pack battery
  • Cylindrical battery pack battery
  • Cylindrical battery pack battery

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] refer to Figure 1-4 , a cylindrical battery cell, comprising a battery cell 1, a battery cell bracket 2, a circuit board 3, a nickel sheet 4, a terminal wire 5, an insulating highland barley paper 6, an epoxy frame 8 and a PVC heat shrinkable sleeve 9, wherein:

[0024] Cell 1 is fixedly connected to cell bracket 2, cell bracket 2 is used to support cell 1, circuit board 3 is fixedly connected to cell 1, nickel sheet 4 is fixedly connected to the bottom of cell 1, nickel sheet 4 It is a nickel sheet formed by a punch, the terminal wire 5 is connected to the circuit board 3, the terminal wire 5 is convenient to connect with the external structure, the epoxy board frame 8 is fixedly connected to the outside of the battery cell 1, and the epoxy board frame 8 is used to connect the battery cell 1 package, to protect the battery cell 1, the terminal wire 5 passes through the epoxy board frame 8, and the epoxy board frame 8 is fixedly connected with a sealing ring, and the s...

Embodiment 2

[0026] refer to Figure 1-4 , as another preferred embodiment of the present invention, the difference from Embodiment 1 is that the PVC heat shrink sleeve 9 includes an outer sleeve 91, a connecting post 92, an inner sleeve 93 and an elastic post 94, and one end of the connecting post 92 is fixedly connected to the outer cover 91 , the connecting post 92 is used to fix the outer cover 91 and the inner cover 93, the other end of the connecting post 92 is fixedly connected to the inner cover 93, and there is a gap between the outer cover 91 and the inner cover 93, which can effectively reduce the Collision strength, the inner sleeve 93 is socketed with the epoxy frame 8 , the elastic column 94 is connected to the inner sleeve 93 , and one end of the elastic column 94 is located in the connecting column 92 .

Embodiment 3

[0028] refer to Figure 1-5 , as another preferred embodiment of the present invention, on the basis of Embodiment 1, an elastic member 11 is also included. The elastic member 11 is used to reduce the vibration intensity suffered by the cell 1. The elastic member 11 includes a first elastic plate 111, Spring 112, second elastic plate 113, movable rod 114 and limit seat 115, the first elastic plate 111 is connected to the battery support 2, one end of the spring 112 is fixedly connected to the first elastic plate 111, and the spring 112 is used to connect the first The elastic plate 111 and the second elastic plate 113, the other end of the spring 112 is fixedly connected to the second elastic plate 113, the limit seat 115 is fixedly connected to the upper end of the second elastic plate 113, and the limit seat 115 is used to adjust the movable rod 114 To limit the position, one end of the movable rod 114 is fixedly connected to the bottom end of the first elastic plate 111, an...

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PUM

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Abstract

The invention relates to the technical field of batteries, in particular to a cylindrical battery pack battery which comprises a battery cell, a battery cell support, a circuit board, a nickel sheet, a terminal wire, insulating highland barley paper, an epoxy plate frame and a PVC thermal shrinkable sleeve, the battery cell is fixedly connected to the battery cell support, the circuit board is fixedly connected to the battery cell, the nickel sheet is fixedly connected to the bottom end of the battery cell, the terminal wire is connected to the circuit board, the epoxy plate frame is fixedly connected to the outer side of the battery cell, the terminal wire is fixedly connected to the epoxy plate frame through the epoxy plate frame and the insulating highland barley paper, the insulating highland barley paper is located between the battery cell and the epoxy plate frame, and the PVC thermal shrinkage sleeve is connected to the epoxy plate frame in a sleeving mode. The nickel sheet is the male die forming nickel sheet, the protruding surface of the male die forming nickel sheet is in better contact with the surface of the battery cell, welding is firmer, pseudo soldering is avoided, meanwhile, the insulating highland barley paper is fixedly connected to the epoxy plate frame and located between the battery cell and the epoxy plate frame, the epoxy plate frame and the insulating highland barley paper insulate the battery cell, and electric leakage is avoided.

Description

technical field [0001] The invention relates to the technical field of batteries, in particular to a cylindrical battery pack battery. Background technique [0002] At present, with the continuous improvement of people's material and cultural living standards and the rapid development of the electronic product market, the performance of various digital electronic products such as smart phones, digital cameras, electronic bracelets, lighting, and robotic products has improved and the manufacturing costs of factory production lines have increased. The increase in production efficiency, the increase in defect rate, and the safety and quality assurance are very common in the cylindrical battery pack product market in the battery industry. They are used in robotic products and various digital electronic products, etc. [0003] In the existing cylindrical battery pack, the nickel sheet connected to the battery pack is usually a simple planar nickel sheet. This kind of nickel sheet...

Claims

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Application Information

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IPC IPC(8): H01M50/213H01M50/227H01M50/242H01M50/503H01M50/522H01M50/474
CPCH01M50/213H01M50/227H01M50/242H01M50/503H01M50/522H01M50/474Y02E60/10
Inventor 邓海强
Owner SHENZHEN UTILITY POWER SOURCE