Novel vehicle alternating current lightning surge protector

By designing a new vehicle AC lightning surge protector, the circuit structure of metal shells, thermal protection fuses and other components is used to solve the destructive problem of lightning surges on modern electronic equipment, and effective lightning surge protection and system stability are achieved.

CN222691384UActive Publication Date: 2025-03-28JILIN TAIHUA ELECTONIC CO LTD
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Patent Information

Application Number
CN202421254087.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-04
Publication Date
2025-03-28
Estimated Expiration
2034-06-04

AI Technical Summary

Technical Problem

Existing lightning disasters are extremely destructive to modern electronic equipment. Although modern vehicles have lightning protection facilities, these facilities cannot effectively protect the electronic equipment in the vehicle. When lightning occurs, high pulse currents and surge peak voltages will be generated in the power cord, causing damage to the electronic equipment or fire.

Method used

A new type of vehicle AC lightning surge protector is designed, using a metal shell and a thermal protection fuse. It is equipped with an AC power input line, a varistor, a gas discharge tube, an inductor and a remote signal output line. The circuit formed by these components can absorb and limit pulse current during lightning surges, preventing the surge peak voltage from causing damage to the equipment.

Benefits of technology

It effectively prevents lightning surges from destroying the electronic equipment in the car, ensures the normal operation of the system, and prevents the power supply from being interfered by external signals through independent grounding terminals and reserved conductive surfaces, improving the reliability and safety of the equipment.

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Abstract

The utility model discloses a novel vehicle AC lightning surge protector comprising a housing which is internally provided with an AC power supply input line, a piezoresistor, a gas discharge tube, an inductor, an AC power supply output line and a remote signaling signal output line. The alternating current power supply input line is connected with the piezoresistor, and the piezoresistor is respectively connected with the alternating current power supply output line and the remote signaling signal output line. The shell is a closed metal shell, so that external electromagnetic interference is effectively prevented. And the anti-electromagnetic interference capability is realized. No movable part is exposed, and the reliability is high. The shell of the product is provided with the independent grounding terminal, and the power supply can be prevented from being interfered by external signals through a reserved conductive surface.
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