A gas water heater control method and system thereof

A technology of a gas water heater and a control method, which is applied in the directions of fluid heaters, lighting and heating equipment, etc., can solve the problems of water temperature drop, large water temperature difference in heat exchange pipelines, inability to achieve bath comfort, etc., so as to increase bath comfort, The effect that the water temperature will not drop

Active Publication Date: 2020-12-08
ZHONGSHAN CITY HENG YUE ELECTRICAL APPLIANCE CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The existing gas instantaneous water heaters all have the problem of "cold water interlayer", that is, during the use of hot water, when the user turns on the water again in a short period of time after being turned off, due to the delay in ignition preparation when starting, the water temperature drops when stopping, etc. , resulting in a large temperature difference in the water in the heat exchange pipeline, which cannot achieve the effect of bathing comfort

Method used

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  • A gas water heater control method and system thereof
  • A gas water heater control method and system thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0029] see figure 1 , providing a gas water heater control method, comprising the following steps:

[0030] Step S1, turn on the water heater, the main control module receives the working signal to judge and send out the control signal; further, this step specifically includes the following steps:

[0031] The user turns on the power of the water heater, and the monitoring module is connected to the main control module circuit and starts to work; the monitoring module can be specifically a water flow sensor, and the main control module can be a central processing unit; the monitoring module monitors the water flow signal and sends it to the main control module; Water flow sensors are installed at the water inlet and water outlet to monitor the water flow signal. When the water inlet valve is opened and the water flow sensor detects that there is water flow passing through, the signal is transmitted to the main control module. When the main control module receives the water flo...

Embodiment 2

[0041] This embodiment also provides a gas water heater control system, including a main control module 1, a monitoring module 2, a main combustion solenoid valve 3 and an open flame solenoid valve 4, a main control module 1 and a monitoring module 2, a main combustion solenoid valve 3 and The pilot flame solenoid valve 4 is electrically connected, and the main control module 1 controls the opening and closing of the main combustion solenoid valve 3 and the pilot flame solenoid valve 4 according to the signal monitored by the monitoring module 2 .

[0042] In this embodiment, the main control module 1 includes a first computing unit 11 and a second computing unit 12, the monitoring module 2 includes a flame monitoring module 21 and a water flow monitoring module 22, and the first computing unit 11 monitors the flame of the flame monitoring module 21. The signal is calculated, and the second calculation unit 12 performs calculation on the water flow signal monitored by the water...

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Abstract

The invention relates to a control method of a gas water heater. The control method of the gas water heater comprises the following steps that a water heater is switched on, a master control module receives a work signal to conduct judgment and sends out a control signal; the control signal sent out by the master control module is received to control a long open fire electromagnetic valve and a main combustion electromagnetic valve, the water heater starts combustion work; during combustion work, a monitoring module continuously monitors a flame signal and a water flow signal and feeds back the flame signal and the water flow signal to the master control module, if the flame existence signal and the water flow existence signal are both monitored, the step continues being executed, and if the flame existence signal is monitored, but a no-water signal is monitored, a next step is executed; the master control module sends out a control signal to switch off the main combustion electromagnetic valve, and the long open fire electromagnetic valve keeps the switched-on state; within the preset long open fire work time, if the monitoring module monitors the water flow existence signal, thesecond step is executed again, and if the monitoring module monitors the no-water signal, the master control module sends out a signal to switch off all the electromagnetic valves. By the adoption ofthe control method of the gas water heater, when a user takes a bath, it is guaranteed that if a water source is closed for a short time, the water temperature cannot descend when the water source isopened again, and therefore the comfort is improved during bath.

Description

technical field [0001] The invention relates to the technical field of gas appliances, in particular to a gas water heater control method and its system. Background technique [0002] With the improvement of people's living standards, people's requirements for comfort in family life are getting higher and higher. The following various electrical products facilitate human life and also occupy a lot of space. For this reason more and more multifunctional electrical appliances have entered people's lives. Water heaters have also experienced development in different eras. [0003] The existing gas instantaneous water heaters all have the problem of "cold water interlayer", that is, during the use of hot water, when the user turns on the water again in a short period of time after being turned off, due to the delay in ignition preparation when starting, the water temperature drops when stopping, etc. , resulting in a large water temperature difference in the heat exchange pipe...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F24H9/20
CPCF24H9/2035
Inventor 徐宁向熹杨文雄
Owner ZHONGSHAN CITY HENG YUE ELECTRICAL APPLIANCE CO LTD
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