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Testing device and testing method for spark voltage of electrolyte under non-critical state

A technology of flashing voltage and testing equipment, applied in the direction of measuring current/voltage, measuring device, measuring electrical variables, etc., can solve problems such as flicker, fluctuation of the measured area, and asynchrony

Active Publication Date: 2012-07-04
SHENZHEN JIANGHAO ELECTRON
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] like figure 2 As shown in the figure, it is a single anode test, and there are also problems such as test artifacts. The reason is that the foil electrode is fixed by the plexiglass splint, and the edge gap will also cause the measured area to fluctuate, and it will also become asynchronous at the edge, which is easy Edge ionization flicker, the same test value is false image value

Method used

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  • Testing device and testing method for spark voltage of electrolyte under non-critical state
  • Testing device and testing method for spark voltage of electrolyte under non-critical state
  • Testing device and testing method for spark voltage of electrolyte under non-critical state

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Embodiment Construction

[0022] Such as Figures 3 to 4 Shown: a testing device for the flash voltage of the electrolyte in a non-critical state, including a 1000V-T-V tester, a beaker, a high-voltage electrolyte 3 and an electrode foil 1, the middle of the electrode foil 1 is wrapped more A layer of insulating tape 2, the insulating tape 2 separates the electrode foil 1 into a floating area 101 and a sinking area 102.

[0023] The electrode foil 1 is a pure aluminum product with a specification of 50*10mm, and the liquid sink area 102 of the electrode foil 1 is 40*10mm.

[0024] The most readily available test electrode materials are as follows:

[0025] Electrolyte theoretical flash voltage value Electrode foil selection Electrode foil type

[0026] >480V 600WV chaff 10mm wide chaff

[0027] >530V 600WV chaff 10mm wide chaff

[0028] >550V 620VF plain foil 110UM

[0029] >580V 640VF plain foil 110um

[0030] >600V 660VF plain foil 110um

[0031] >630V 720VF plain foil 110um

[0032] >750V 85...

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PUM

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Abstract

The invention discloses a testing device for spark voltage of electrolyte under non-critical state. The testing device is provided with a 1000V-T-V tester, a beaker, high-voltage electrolyte and an electrode foil. The middle part of the electrode foil is wrapped with a plurality of layers of insulation tapes, and the insulation tapes separate the electrode foil into a suspending area and a liquidprecipitating area. The operation steps are as follows: 1) the suspending area of the electrode foil is connected with the 1000V-T-V tester, and an ammeter and a voltmeter are connected between the electrode foil and the 1000V-T-V tester in series; 2) a proper amount of high-voltage electrolyte is injected into the beaker according to the height of the liquid precipitating area of the electrode foil; 3) the electrode foil is placed and suspended in the electrolyte, and half of the insulation tape is immersed in the electrolyte; and 4) a power supply is switched on to input current of 5mA-10mA, and the voltage of the sparks of the electrolyte is tested. The safe surge voltage of the product at high temperature can be ensured by the variation of the sparks of the electrolyte at each temperature section, and the stability of the product at high temperature is ensured.

Description

technical field [0001] The invention relates to a test device and a test method for the flashover voltage of an electrolyte in a non-critical state. Background technique [0002] The existing method of testing the flashover voltage is as follows, such as figure 1 As shown, the more commonly used test method is the double anode test, but because this method is tested under normal conditions, there are many unreasonable points. The reason is that during the test, the contact surface between the test anode sheet and the electrolyte is exposed to the air, which is easy to ionize. At the same time, during the test, the air bubbles generated during the test make the liquid level of the electrolyte fluctuate, and even splash the liquid, so that the range of the test electrode is constantly changing. In terms of change, the mechanism shows that the electrical polarization is not synchronized, and the test results are flickering false image values. [0003] Such as figure 2 As sh...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01R19/00
Inventor 尹志华秦美云尹志刚
Owner SHENZHEN JIANGHAO ELECTRON
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