A charging pile liquid level monitoring and alarming device and a charging pile

By integrating a liquid level monitoring and alarm device into the charging pile, the water level is monitored in real time and an audible and visual alarm is triggered when the water level exceeds the safety threshold. This solves the problem of water ingress into outdoor charging piles due to seal failure in extreme weather conditions and improves safety.

CN122306187APending Publication Date: 2026-06-30SHAANXI GREEN ENERGY ELECTRONIC TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
SHAANXI GREEN ENERGY ELECTRONIC TECH CO LTD
Filing Date
2026-03-23
Publication Date
2026-06-30

AI Technical Summary

Technical Problem

Outdoor charging stations are prone to water ingress due to seal failure in extreme weather, which can lead to safety accidents such as short circuits. Existing leakage protection devices cannot provide early warning of water accumulation risks.

Method used

Design a charging pile liquid level monitoring and alarm device, including a sensing circuit, a control circuit, an alarm circuit and a display circuit, to monitor the water level in real time and issue an audible and visual alarm when the water level exceeds the safety threshold, so as to remind customers or after-sales personnel to disconnect the power.

Benefits of technology

It enables real-time monitoring and early warning of water levels inside charging piles, avoiding safety accidents caused by water accumulation and improving equipment and personal safety.

✦ Generated by Eureka AI based on patent content.

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Abstract

This application provides a charging pile liquid level monitoring and alarm device and a charging pile, including: a sensing circuit, a control circuit, an alarm circuit, and a display circuit. The sensing circuit collects the pressure value of the water level in the charging pile and outputs a liquid level signal; the control circuit is connected to the sensing circuit; the alarm circuit is connected to the control circuit; the display circuit is connected to the control circuit; the control circuit receives the liquid level signal, processes the signal, and displays it through the display circuit, and simultaneously determines whether to control the alarm circuit to sound an alarm based on the liquid level signal and a minimum safe height value of 142 mm. This application, through the aforementioned charging pile liquid level monitoring and alarm device, based on the sensing circuit, control circuit, alarm circuit, and display circuit, can monitor the water level in real time and issue an alarm when the water level exceeds a set safety threshold, thus improving safety.
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