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Flexible packaging article airtightness detection device and detection method

A technology of airtightness detection and flexible packaging, which is applied in the direction of measuring devices, liquid tightness measurement using liquid/vacuum degree, optical devices, etc., can solve the problems that the airtightness detection of flexible packaging batteries cannot be applied, and achieve the effect of high sensitivity

Active Publication Date: 2011-12-07
DONGGUAN AMPEREX TECH +1
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Problems solved by technology

Therefore, the traditional vacuum method cannot be applied to the airtightness detection of flexible packaging batteries

Method used

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  • Flexible packaging article airtightness detection device and detection method
  • Flexible packaging article airtightness detection device and detection method
  • Flexible packaging article airtightness detection device and detection method

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Embodiment Construction

[0025] In order to make the purpose, technical solution and beneficial technical effects of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments. It should be understood that the specific implementations described in this specification are only for explaining the present invention, not for limiting the present invention.

[0026] It should be noted that although the present invention is only described by taking the soft package battery 40 as an example in this specification, it can be understood that the flexible package article airtightness detection device and detection method of the present invention can also be applied to other flexible package article seals. rapid detection of sex.

[0027] see Figure 1 to Figure 3 As shown, the airtightness detection device for flexible packaging articles of the present invention includes: a detection chamber 10, a vacuuming...

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Abstract

The invention discloses a device for detecting the tightness of a flexible packaged article, comprising: a detection chamber, a vacuuming device capable of evacuating the detection chamber, and a device for real-time and continuous detection of the thickness of the flexible packaging article in the detection chamber during the vacuuming process. Laser thickness measurement system, and identification system for automatic judgment of tightness. The device for detecting the tightness of the flexible package article of the present invention has the advantages of defect quantification, defect location, high sensitivity, and accurate detection of tiny air leakage. The sealing detection device adopts optical measurement system, software automatic recording and judgment integration technology, and is suitable for high-efficiency and automatic online continuous production detection. In addition, the invention also discloses a method for detecting the tightness of a flexible package.

Description

technical field [0001] The invention relates to a detection device and a detection method for the airtightness of soft packaging articles. Background technique [0002] The packaging material of flexible packaging batteries (such as flexible packaging lithium-ion batteries) is generally a layer of 60-150 micron aluminum-plastic composite film, which is used to vacuum-seal electrode materials and electrolytes to isolate them from the atmosphere. Any damage to the flexible packaging bag will cause outside air to enter the electrolyte and pole pieces, resulting in electrolyte leakage and inflation. In the use of flexible packaging batteries, gas inflation and liquid leakage will not only greatly shorten the life of the battery, but may also damage the entire electrical appliance. Therefore, preventing gas inflation and liquid leakage is an important issue for flexible packaging batteries. [0003] Commonly used methods for testing the airtightness of flexible packaging batteri...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01M3/36G01B11/06
Inventor 贾宝安高羿谢磊方宏新
Owner DONGGUAN AMPEREX TECH
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