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Failure monitoring system and method for gas valve of gas heating water heater

A technology for gas heating and failure monitoring, which is applied to the control of fluid heaters, lighting and heating equipment, and fluid heaters. It can solve the problems of increasing the risk of gas leakage, failure monitoring and early warning, and not being able to use a single valve.

Pending Publication Date: 2022-01-18
MACRO THERMAL ENERGY TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

One valve switch circuit is used to control the synchronous switch of two electric gas valves, and it is impossible to monitor and give an early warning for the failure of a single valve; when one of the two valves in series is not closed tightly, the gas passage is equivalent to only one valve that can be closed, which increases the Risk of Gas Leakage

Method used

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  • Failure monitoring system and method for gas valve of gas heating water heater
  • Failure monitoring system and method for gas valve of gas heating water heater

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Embodiment Construction

[0026] In the description of the present invention, it should be noted that for orientation words, such as the terms "center", "horizontal", "longitudinal", "length", "width", "thickness", "upper", "lower" , "Front", "Back", "Left", "Right", "Vertical", "Horizontal", "Top", "Bottom", "Inner", "Outer", "Clockwise", "Counterclockwise " and other indication orientations and positional relationships are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, or in a specific orientation. The structure and operation should not be construed as limiting the specific protection scope of the present invention.

[0027] In addition, terms such as "first" and "second" are used for descriptive purposes only, and cannot be understood as indicating or implying rel...

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Abstract

The invention discloses a failure monitoring system and method for a gas valve of a gas heating water heater. The system is characterized in that the system comprises an integrated gas valve and a control device which are connected to a combustor, the combustor is provided with a flame probe, one end of the flame probe is disposed above the combustion surface of the combustor and is in contact with flame generated by gas combustion, so as to directly detect flame, and the other end of the flame probe is electrically connected to the control device; the integrated gas valve is provided with a gas inlet and a gas outlet, the gas inlet is connected to a household gas pipeline, and the gas outlet is connected to the combustor; the integrated gas valve is provided with an electromagnetic valve S1, an electromagnetic valve S2 and a regulating valve, and is used for executing on-off control of gas and gas flow regulation; and the control device is provided with a valve switch circuit K1 and a valve switch circuit K2, the valve switch circuit K1 is electrically connected with the electromagnetic valve S1, and the valve switch circuit K2 is electrically connected with the electromagnetic valve S2 to control opening and closing of the electromagnetic valves. The system is simple in structure and convenient to operate.

Description

technical field [0001] The invention relates to the technical field of gas heating and water heaters, and more specifically relates to a gas valve failure monitoring system and monitoring method for gas heating and water heaters. Background technique [0002] GB25034 "Gas Heated Hot Water Heater" requires that the gas passage of the gas heated water heater should be connected in series with two valves, and the non-volatile locking signal generated by the safety device should be synchronously closed to the two series connected valves of the gas passage. The possibility of failure such as lax closure of one valve is much higher than the possibility of failure of two valves in series, such as lax closure. By connecting the valves in series, the risk of gas leakage is reduced. At present, two electric gas valves are connected in series on the gas passage of the heating furnace of the manufacturer, and a valve switch circuit is used to control the synchronous switching of the two...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F24H15/112F24H15/20F24H15/36F24H15/395
CPCF24H9/2035
Inventor 艾穗江汪为彪赵志勇
Owner MACRO THERMAL ENERGY TECH
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