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Method and device for igniting gas water heater

A gas water heater and ignition device technology, which is applied in the field of ignition devices and gas water heater ignition, can solve problems such as insufficient intake air volume and unsuccessful ignition once, and achieve the effect of increasing the success rate of ignition and improving the success rate

Active Publication Date: 2010-02-17
HAIER GRP CORP +1
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The object of the present invention is to provide an ignition method for a gas water heater, which solves the problem that one ignition fails due to insufficient intake air, and thus needs to be restarted and re-ignited

Method used

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  • Method and device for igniting gas water heater
  • Method and device for igniting gas water heater
  • Method and device for igniting gas water heater

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Embodiment Construction

[0029] The present invention will be described in detail below in conjunction with specific embodiments.

[0030] figure 1 It is a schematic structural diagram of a specific embodiment of the ignition device of the gas water heater in the present invention. Such as figure 1 As shown, in this embodiment, the ignition device mainly includes an igniter 2 , a flame detector 3 and a proportional valve 4 respectively controlled by a controller 1 . Among them, the igniter 2 is connected with the driving end of the controller 1, such as a pulse high-voltage generator, and is used to provide ignition to the burner; the flame detector 3 is used to detect whether the ignition of the igniter 2 at the burner is successful, and it is related to the control The drive end of the flame detector 1 is connected to the input end, and its action can be controlled by the controller 1, and the signal of whether the ignition is successful is returned to the controller 1. Of course, the flame detect...

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Abstract

The invention relates to a method for controlling a gas water heater, in particular to a method for igniting the gas water heater. The method comprises the following steps that: A, an igniter ignites a combustor of the gas water heater; B, a flame detector detects whether the ignition of the igniter is successful or not, and if the ignition is successful, the ignition is finished, otherwise, the next step is executed; and C, a controller increases the opening of a proportional valve for controlling the gas inlet of gas supplied to the combustor of the gas water heater, and the step A is executed agin. The method improves the success ratio of gas ignition. The invention also relates to a device for igniting the gas water heater, which comprises the igniter used for igniting the combustor of the gas water heater, the flame detector used for detecting whether the ignition of the igniter is successful or not, the proportional valve used for controlling the gas inlet of the gas supplied tothe combustor of the gas water heater, and the controller used for adjusting the opening of the proportional valve according to a signal showing that whether the ignition of the igniter is successfulor not which is detected by the flame detector.

Description

technical field [0001] The invention relates to a control method of a gas water heater, in particular to an ignition method of a gas water heater. The invention also relates to an ignition device for a gas water heater. Background technique [0002] In currently commercially available gas water heaters, the ignition process is automatically controlled by gas, water, and electricity joint control, such as the controller device for safely and automatically controlling gas appliances disclosed in Chinese utility model patent 92203937.2. The ignition control device in this utility model mainly includes the main controller for controlling the combined control of gas, water and electricity of the entire gas water heater, a pulse high voltage generator for ignition, that is, the igniter, and a flame sensor composed of a flame probe and a flame identification circuit. detection device, and the main fire valve and main fire valve driver device for controlling the gas intake amount. ...

Claims

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Application Information

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IPC IPC(8): F24H9/20F24H9/18
Inventor 孙京岩王任华郑涛孙京军沈予朗
Owner HAIER GRP CORP
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