Explosion-proof shell of aluminum electrolytic capacitor

Abstract

The invention discloses an explosion-proof casing for an aluminum electrolytic capacitor, which belongs to the technical field of capacitors. The solution uses the inert gas in the expansion cavity to expand at high temperature to push the support rod to squeeze the limit rod to separate from the expansion cavity, so that the explosion-proof casing can be expanded. Unlock and enter the explosion-proof mode at any time, and use the limit rod to connect the conductive block, so that the external controller can automatically save the file, and remind the staff to take measures in time to improve safety. Expansion of the explosion-proof shell and expansion cover prevents the explosion caused by the excessive load of the capacitor At the same time, the gas generated by the explosion will push the expansion explosion-proof shell to expand around under the restriction of the expansion bag, which reduces the damage to the surrounding electronic components caused by the explosion, and cooperates with the vent hole on the expansion bag to slowly release the internal pressure outward Security is further improved.

Description

technical field [0001] The invention relates to the technical field of capacitors, and more particularly, to an explosion-proof casing of an aluminum electrolytic capacitor. Background technique [0002] Aluminum electrolytic capacitors are made of an aluminum cylinder as the negative electrode, which contains a liquid electrolyte, and a bent aluminum strip is inserted into the positive electrode. It also needs to be treated with DC voltage to form an oxide film on the positive plate as a medium. It is characterized by large capacity, but large leakage, poor stability, positive and negative polarity, and is suitable for power supply filtering or low-frequency circuits. When using, do not reverse the positive and negative poles. [0003] The use of electrical equipment in modern society is more and more extensive, and a large number of capacitors need to be used in the production of electrical appliances. Aluminum electrolytic capacitors are widely used due to their relativ...

AI Technical Summary

Problems solved by technology

[0003] The use of electrical equipment in modern society is becoming more and more extensive. A large number of capacitors are required in the production of electrical appliances. Aluminum electrolytic capacitors are widely used due to their relatively mature technology and low price, but they are produced under high load conditions. The higher the heat, the faster the aging rate, and it is prone to liquid leakage and explosion during use, which will cause damage to other components on the circuit board or short circuit, resulting in more serious consequences

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