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Battery pack

A technology for battery packs and bare cells, which is used in battery pack components, circuits, and secondary battery repair/maintenance. Effect

Active Publication Date: 2012-03-21
SAMSUNG SDI CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, the space for installing other components in the PCM is minimal, that is, the distance between each component is narrow, which can complicate the assembly process

Method used

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Examples

Experimental program
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Embodiment Construction

[0042] Hereinafter, a connection circuit board and a battery pack including the connection circuit board according to embodiments of the present invention will be described in more detail with reference to the accompanying drawings.

[0043] First, a connection circuit board and a battery pack including the connection circuit board according to an aspect of the present invention will be described.

[0044] figure 1 is a perspective view of a battery pack according to an embodiment of the present invention, figure 2 Yes figure 1 An enlarged perspective view of part A of, image 3 is constituted figure 1 A partial perspective view of a unit cell of the battery pack shown in, Figure 4 is showing image 3 A partial perspective view of the connection relationship between the unit cell and the connection circuit board shown in, Figure 5 is showing figure 1 A perspective view of the shown conductive leads and openings separated from each other, Image 6 Yes Figure 5 fron...

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Abstract

The invention provides a battery pack having improved product reliability by minimizing a height of a solder portion when a multi-cell is connected to a printed circuit module (PCM) in series or parallel, and including a connecting circuit board. The battery pack comprises one or more battery cells, a connecting circuit board connected to the one or more battery cells, a conductive lead electrically coupled to the circuit board, a printed circuit module having an opening where the conductive lead is inserted, and a solder portion formed through soldering connection, wherein the conductive lead is inserted into the opening, and has an insertion portion for inserting into the opening, a bend portion bending from the insertion portion and an recess from which the insertion portion is separated.

Description

technical field [0001] Aspects of the invention relate to battery packs. Background technique [0002] A battery pack generally includes a printed circuit module (PCM) and a multi-cell assembly having a plurality of unit cells. [0003] The unit cells include bare cells that exclusively perform only charging / discharging operations. [0004] The PCM includes field effect transistors (FETs), resistors, condensers, and the like as switching elements that block current. The PCM controls charging / discharging operations of the cell batteries, and prevents overcharging, overdischarging, overcurrent, and the like. [0005] The PCM is often electrically connected to the unit cells by soldering. [0006] However, in order to increase the bonding force between the PCM and the unit cells, a large amount of solder is used. Thus, the height of the solder portion will be rather large and the distance between the PCM and the shell will be minimal. Therefore, the space for mounting othe...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01M10/42H01M2/20H01M50/502H01M50/519H01M50/528H01M50/533H01M50/536
CPCH05K2201/10037H05K3/3426H01M10/425H05K2201/09427Y02E60/12H05K3/363H01M2/202Y02E60/10H01M50/502H01M50/533H01M50/536H01M50/519H01M50/572H01M50/543H01M50/528H01M10/42
Inventor 朴相勋
Owner SAMSUNG SDI CO LTD
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