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Testing method for durability of aluminum electrolytic capacitor

A technology of aluminum electrolytic capacitors and detection methods, which is applied to instruments, measuring devices, scientific instruments, etc., can solve the problems of high energy consumption, high cost, low efficiency, etc., and achieves low equipment power consumption, low experimental equipment investment, and shortened experiments. effect of time

Inactive Publication Date: 2018-10-26
GREE ELECTRIC APPLIANCES INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0008] The present invention aims to provide a detection method for the durability of aluminum electrolytic capacitors, which solves the technical problems of high energy consumption, low efficiency and high cost in existing aluminum electrolytic capacitor durability (life) experiments

Method used

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  • Testing method for durability of aluminum electrolytic capacitor
  • Testing method for durability of aluminum electrolytic capacitor
  • Testing method for durability of aluminum electrolytic capacitor

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Embodiment 1

[0028] Embodiment one: if figure 2 As shown, the detection method of the durability of the aluminum electrolytic capacitor of the present invention, the detection method comprises: a chloride ion detection step and a durability judgment step, detecting the chloride ion content C in the aluminum electrolytic capacitor 1 ; Endurance judgment step, if the chloride ion content in the aluminum electrolytic capacitor C 1 If it is greater than the specified content C, it is judged that the aluminum electrolytic capacitor is an unqualified capacitor; otherwise, it is judged that the aluminum electrolytic capacitor is a qualified capacitor.

Embodiment 2

[0029] Embodiment two: if image 3 Shown, the detection method of aluminum electrolytic capacitor durability of the present invention, comprises the steps:

[0030] The step of weighing the aluminum electrolytic capacitor is a step of weighing the aluminum electrolytic capacitor before disassembly, and the mass of the aluminum electrolytic capacitor obtained by weighing is M.

[0031] In the chlorine ion extraction step, first soak the disassembled aluminum electrolytic capacitor in a certain amount of pure water, then vibrate and clean the aluminum electrolytic capacitor soaked in pure water, and then extract the chloride ions from the aluminum electrolytic capacitor , so that chloride ions dissolved in pure water.

[0032] Chloride ion detection step, detection of chloride ion content dissolved in pure water C 2 , according to the chloride ion content C 2 Calculate the chloride ion content C in the aluminum electrolytic capacitor 1 . Chloride ion content in aluminum ele...

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Abstract

The invention discloses a detection method for the durability of an aluminum electrolytic capacitor. The detection method comprises the following steps: detecting the content C1 of chloride ions in the aluminum electrolytic capacitor; and if the content C1 of the chloride ions is greater than the regulated content C, judging that the aluminum electrolytic capacitor is an unqualified capacitor, and otherwise, judging that the aluminum electrolytic capacitor is a qualified capacitor. According to the detection method for the durability of the aluminum electrolytic capacitor, the experiment time is commonly controlled to be within 2-3 hours; and compared with the condition that the conventional experiment time of the durability of an existing aluminum electrolytic capacitor is more than 1000 hours, the experiment time of the durability of the aluminum electrolytic capacitor is greatly shortened and the testing efficiency is very high. Furthermore, the investment of experiment equipment and equipment power consumption used in the detection method for the durability of the aluminum electrolytic capacitor are very low; and compared with the conventional durability experiment investment cost of the existing aluminum electrolytic capacitor, the experiment testing cost is very low.

Description

technical field [0001] The invention relates to the technical field of electrolytic capacitors, in particular to a method for detecting the durability of aluminum electrolytic capacitors. Background technique [0002] An electrolytic capacitor is a capacitor formed by anodizing a thin layer of oxide on the surface of valve metals such as aluminum, tantalum, niobium, and titanium as a dielectric, and using the electrolyte as a cathode. At present, the electrolytic capacitors produced industrially are mainly aluminum electrolytic capacitors and tantalum electrolytic capacitors. Aluminum electrolytic capacitors are mainly made of foil anodes and electrolyte cathodes, and most of them are cylindrical in appearance. Tantalum electrolytic capacitors use sintered block anodes, and semiconductor material manganese dioxide as cathodes. Most of them are chip shapes, which are suitable for SMDs required by SMT technology. [0003] The role of electrolytic capacitors in electronic cir...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N17/00G01N17/02
Inventor 彭楚堂方祥建姜富林
Owner GREE ELECTRIC APPLIANCES INC
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