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Overtemperature control method for gas water heater and gas water heater

A technology of a gas water heater and a control method, which is applied in the fields of gas water heater control and gas water heater overtemperature control, and can solve the problems of high overheating protection temperature of gas water heaters, achieve the effects of improving bathing experience, avoiding hot water burns, and meeting needs

Active Publication Date: 2020-11-24
VATTI CORP LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a gas water heater overtemperature control method, which solves the problem of high overheat protection temperature of gas water heaters with overheat protection function in the prior art

Method used

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  • Overtemperature control method for gas water heater and gas water heater
  • Overtemperature control method for gas water heater and gas water heater
  • Overtemperature control method for gas water heater and gas water heater

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Embodiment Construction

[0026] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0027] Embodiment 1 of the present invention provides a gas water heater overtemperature control method, such as figure 1 As shown, it specifically includes the following steps:

[0028] Start the gas water heater according to the preset temperature, and collect the outlet water temperature of the gas water heater;

[0029] determining an overtemperature temperature that matches the preset temperature according to a mapping relationship between the preset temperature and the overtemperature temperature;

[0030] Determine whether the outlet water temperature is greater than or equal to the protec...

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Abstract

The invention discloses an overtemperature control method for a gas water heater and the gas water heater. The overtemperature control method for the gas water heater comprises the steps that the gaswater heater is started according to a preset temperature, and a water outlet temperature of the gas water heater is collected; according to the mapping relation between the preset temperature and anovertemperature temperature, the overtemperature temperature matched with the preset temperature is determined; whether the outlet water temperature is larger than or equal to a protection temperatureor nor is judged, wherein the protection temperature is the sum of the preset temperature and the overtemperature temperature; if yes, gas supply is stopped; and if not, the gas water heater works normally. The gas water heater has an overtemperature protection function, the preset temperature is mapped with the corresponding overtemperature temperature, the water outlet temperature can fluctuateadaptively at different preset temperatures for overtemperature protection, and the user experience is improved.

Description

technical field [0001] The invention belongs to the technical field of gas water heater control, and in particular relates to a gas water heater overtemperature control method and a gas water heater. Background technique [0002] At present, there are two ways to realize the gas water heater with overheating protection function. One of the implementation methods: add a thermostat to the hot water pipe of the heat exchanger, and the thermostat circuit is connected in series with the gas cut-off valve. When the water temperature is higher than the thermostat protection temperature (such as 90 ℃), the gas The shut-off valve circuit automatically shuts off the gas and flame; another implementation method is to set a temperature probe on the outlet pipe to monitor that the outlet water temperature is higher than a fixed value (such as 75°C), and the controller will actively cut off the current of the gas shut-off valve and stop Gas off. Because the temperature of the overheatin...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F24H9/20
CPCF24H9/2035
Inventor 郭灵华谢志辉邓飞忠仇明贵潘叶江
Owner VATTI CORP LTD
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