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Lithium battery shell leakage detection device

A battery case, lithium battery technology, applied in the direction of detecting the appearance of fluid at the leakage point, using liquid/vacuum degree for liquid tightness measurement, etc., can solve the problems of high leakage detection cost, time-consuming, complicated operation, etc. The effect of low leak detection cost, low production cost and simple operation

Inactive Publication Date: 2015-11-04
JIANGSU ZHIHANG NEW ENERGY
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  • Summary
  • Abstract
  • Description
  • Claims
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Problems solved by technology

However, this method of leak detection is complicated and time-consuming, requiring the use of a more sophisticated and expensive helium mass spectrometer leak detector, and the cost of leak detection is extremely high

Method used

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  • Lithium battery shell leakage detection device
  • Lithium battery shell leakage detection device
  • Lithium battery shell leakage detection device

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Embodiment Construction

[0016] The preferred embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, so as to define the protection scope of the present invention more clearly.

[0017] The advantages of the leakage detection device for the lithium battery case of the present invention are: it has a connecting cylinder and an air charging port, the structure is extremely simple, the production cost is low, the operation is simple, and the leak detection speed is fast, which is beneficial for the operator to quickly grasp, and the leak detection cost is extremely low. Low.

[0018] like figure 1 , figure 2 As shown, a lithium battery casing leak detection device includes an air charging port 2 and a battery casing 3 to be leaked. A sealing ring 11 is arranged on it, the gas filling port 2 is connected to the side of the...

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Abstract

The invention discloses a lithium battery shell leakage detection device which comprises an air charging port and a battery shell to be detected in leakage. The lithium battery shell leakage detection device further comprises a connecting cylinder, wherein the inner surfaces at two ends of the connecting cylinder are provided with sealing rings respectively, the air charging port is connected with the side surface of the connecting cylinder, and the battery shell to be detected in leakage is inserted into the connecting cylinder. The lithium battery shell leakage detection device has the advantages that the connecting cylinder and the air charging port are provided, the structure is extremely simple, the production cost is low, the operation is simple, the leakage detection speed is high, the operating personnel are facilitated to master quickly, and the leakage detection cost is extremely low.

Description

technical field [0001] The invention relates to the field of lithium battery processing, more precisely, it relates to a leak detection device for a lithium battery case. Background technique [0002] In the production process of lithium batteries, it is necessary to carry out sampling leak detection on the casings to prevent large quantities of leaking battery casings from appearing on the assembly line. Chinese utility model patent ZL201320619362.X discloses a non-destructive leak detection device for sodium batteries, including a pressure vessel and a helium mass spectrometer leak detector. The pressure vessel is equipped with a vacuum valve, a pressure gauge, an intake valve, and an exhaust valve. and the pressure vessel suction gun interface, the vacuum valve is connected to the pressure vessel vacuum pump, and the air inlet valve is connected to the helium tank; the helium mass spectrometer leak detector is provided with a helium mass spectrometer leak detector sniffin...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01M3/12
Inventor 吴丽军梁群胡献峰
Owner JIANGSU ZHIHANG NEW ENERGY
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