A gas appliance control system

By introducing a communication connection between the monitor and the main controller in the gas equipment control system, the problem of gas leakage caused by flame detection failure was solved, and automatic valve closure was achieved in the event of failure, ensuring safety.

CN122151631APending Publication Date: 2026-06-05GUANGDONG HUAMEI JUNDA ELECTRIC APPLIANCES
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Patent Information

Authority / Receiving Office
CN Β· China
Patent Type
Applications(China)
Current Assignee / Owner
GUANGDONG HUAMEI JUNDA ELECTRIC APPLIANCES
Filing Date
2026-02-09
Publication Date
2026-06-05

AI Technical Summary

Technical Problem

When the flame detection function of existing gas appliances fails, the control system cannot recognize that the flame has been extinguished, causing the gas valve to remain open, which may lead to gas leakage and threaten the safety of users.

Method used

Design a gas equipment control system, including a power supply module, a main controller, a monitor, an igniter drive module, a flame detection module, a valve drive module, a valve power supply module, and a solenoid valve port. The monitor is communicatively connected to the main controller. In the event of a failure, the monitor controls the valve power supply module to cut off the power supply and close the gas valve based on the main controller signal and the flame detection signal.

Benefits of technology

Effectively prevents gas leaks and improves the safety of gas equipment.

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Abstract

The application discloses a kind of gas equipment control systems, including power supply module, main control unit, monitor, igniter drive module, flame detection module, valve drive module, valve power module and solenoid valve port, wherein monitor is communicated with main control unit to receive the monitoring signal of main control unit, and monitor controls valve power module to cut off the power supply connection of power supply module to solenoid valve port when failure condition occurs in main control unit according to the monitoring signal transmitted by main control unit and the flame detection signal of flame detection module, so that gas valve is closed, to avoid the situation of gas leakage, improve the safety of gas equipment use.
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