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Apparatus for testing weeping of plastic fluid container

A liquid container and detection device technology, which is applied in the field of plastic liquid container sealing performance detection device, can solve the problems of unreported structure and parameters, and achieve the effects of long service life, high detection efficiency and simple electrode structure

Inactive Publication Date: 2007-05-16
INST OF ELECTRICAL ENG CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, its specific structure and parameters have not been reported

Method used

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  • Apparatus for testing weeping of plastic fluid container
  • Apparatus for testing weeping of plastic fluid container

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Embodiment Construction

[0018] The content of the present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0019] As shown in FIG. 1 , the present invention includes a high-voltage variable-frequency power supply 1 , a high-voltage electrode 2 , a high-voltage electrode transmission mechanism 3 , a low-voltage electrode 4 , a current detection unit 5 and a container 6 to be inspected. The high-voltage variable-frequency power supply 1 is used to generate a voltage output of 500 Hz to 30 kHz and 10-45 kV. The high-voltage electrode 2 is made of a metal material, such as stainless steel or copper, and is a point-to-point pole structure or a ring structure, and is fixed on the insulating support 7. The insulating support 7 is connected with the high-voltage electrode transmission mechanism 3, and the high-voltage electrode transmission mechanism 3 can make The high-voltage electrode 2 produces rotary motion or linear motion. The low-vol...

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Abstract

This invention relates to plastic liquid capacitor leakage test device, which comprises high voltage transducer power, high voltage electrode, high voltage electrode drive structure, low voltage electrode, current test unit and capacitor to be tested, wherein, the high voltage electrode adopts metal materials of top to top electrode structure or ring structure fixed on insulation rack; the insulation rack is connected to high voltage drive structure to make the high voltage electrode generate rotation or line movement; the low voltage electrode is of metal board to put capacitor onto low voltage electrode; high voltage electrode, low voltage electrode and capacitor form discharge circuit and the current test unit tests discharge circuit current signals.

Description

technical field [0001] The invention relates to a device for detecting the sealing performance of a plastic liquid container, in particular to a device for detecting liquid leakage by using high-voltage pulse discharge. Background technique [0002] At present, plastic containers are mostly used for packaging liquids in the pharmaceutical and beverage industries, and such liquid containers usually include a bottle body and a bottleneck. Since the sealing performance of the container directly affects the shelf life of the products contained in it, which in turn affects human health and life safety, it is necessary to test its sealing performance. Most enterprises use random sampling for detection, and manual or machine video detection has low detection efficiency, narrow scope, poor reliability and poor effect. [0003] Chinese patent 03157083 is based on the difference in liquid impedance sensed by the leakage sensor, as the basis for judging whether the leakage sensor is i...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01M3/40
Inventor 严萍崔光华孙鹞鸿赵常伟高迎慧邵建设
Owner INST OF ELECTRICAL ENG CHINESE ACAD OF SCI