Control method and system of gas water heater and gas water heater

A technology of a gas water heater and a control method, which is applied to the control of gas water heaters and the field of gas water heaters, and can solve problems such as flameout of gas water heaters and the failure of outlet water temperature to reach the set temperature, so as to meet the needs of use and reduce heat consumption.

Active Publication Date: 2015-01-21
HAIER GRP CORP +1
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] One of the objectives of the present invention is to provide a control method for a gas water heater, so as to solve the problems in the prior art that the gas water heater is turned off due to insufficient gas pressure, sparks fly and the outlet water temperature cannot reach the set temperature

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  • Control method and system of gas water heater and gas water heater
  • Control method and system of gas water heater and gas water heater
  • Control method and system of gas water heater and gas water heater

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Embodiment Construction

[0038] The technical solutions of the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0039] Please refer to figure 1 ,Should figure 1 Shown is a structural block diagram of an embodiment of the control system of the gas water heater of the present invention.

[0040] Such as figure 1 As shown, the structural components included in the control system of this embodiment, the function of each structural component and the connection relationship between them are as follows:

[0041]The water inlet temperature sensor 2 is arranged on the water inlet pipeline of the water heater, and is used for detecting the water inlet temperature of the water heater.

[0042] The outlet water temperature sensor 3 is arranged on the outlet water pipeline of the water heater, and is used to detect the outlet water temperature of the water heater.

[0043] The water flow monitoring sensor 4 is arranged on the ...

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Abstract

The invention discloses a control method and system of a gas water heater and the gas water heater. The control method comprises the following steps that in the working process of the gas water heater, the current opening degree of a gas proportional valve of the water heater is monitored, and current practical combustion heat quantity is worked out; whether the current opening degree of the gas proportional valve and the current practical combustion heat quantity accord with a preset standard function relation is judged; when the current opening degree of the gas proportional valve and the current practical combustion heat quantity do not accord with the preset standard function relation, it is determined that gas pressure is insufficient, and a low pressure control process is executed according to the current low pressure maximum thermal load; when the current opening degree of the gas proportional valve and the current practical combustion heat quantity accord with the preset standard function relation, a normal control process is executed. By applying the method and system to the gas water heater, the problems that because the gas pressure is insufficient, flameout and fire spreading are caused and the temperature of discharged water cannot reach a set temperature can be solved.

Description

technical field [0001] The invention belongs to the technical field of fluid heating, and in particular relates to a control method, a control system and a gas water heater for a gas water heater. Background technique [0002] The control system of the existing blast type gas water heater includes a controller, a blower fan, a gas proportional valve, an igniter, an outlet water temperature sensor, an inlet water temperature sensor and a water flow monitoring sensor. The input end of the controller is electrically connected with the input end of the controller, the output end of the water outlet temperature sensor, the inlet water temperature sensor and the water flow monitoring sensor are electrically connected, the igniter controls the burner in the water heater to enter the combustion state, the fan and the gas proportional valve are Send air and gas into the burner for mixed combustion, and the burner transfers the heat generated to the heat exchanger in the water heater,...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F24H9/20
Inventor 刘联产徐金娟张鑫
Owner HAIER GRP CORP
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