A kind of control method of gas water heater

A gas-fired water heater and control method technology, which is applied to fluid heaters, lighting and heating equipment, etc., can solve the problems of increased parts coding maintenance costs, limited versatility, and cumbersome production process procedures, and achieves the effect of improving user experience.

Active Publication Date: 2021-09-17
VATTI CORP LTD
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Problems solved by technology

[0002] Gas water heaters are mainly divided into natural gas models, liquefied gas models, and special gas sources (artificial gas, specific regional gas types) according to the different gas sources used. Different gas types have different gas source components and characteristics (density, combustion Potential, calorific value, reaction speed, etc.) As a result, the use of the same combustion system or exhaust system under current conditions cannot meet the overall performance requirements of the product, such as flue gas performance indicators, thermal efficiency indicators, flame state indicators, etc. The structure and software of the required system are very different, mainly because the hardware structure of the same system has limited its versatility.
[0003] The burner structure of different gas sources (fire row single piece, fire hole size, fire hole shape, etc. may be different), nozzle aperture, etc. are different. When changing the gas source, the parameters and gas source code need to be reset, resulting in the same The increase in the types of parts and components, the increase in the maintenance cost of parts coding, and the cumbersome production process

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[0034] In order to enable those skilled in the art to better understand the solutions of the present invention, the following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only It is an embodiment of a part of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts shall fall within the scope of the technical solutions claimed in the present invention.

[0035] Such as figure 1 As shown, this embodiment provides a control method for a gas water heater. By applying the control method of this embodiment, the gas water heater can automatically identify the gas type of the input gas source. The type outputs the corresponding control program. By adjusting the gas source...

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Abstract

The invention discloses a control method of a gas water heater, which includes: starting the gas water heater; collecting the gas source entering the gas water heater and identifying the gas type of the gas source; Adjust until the flow rate of the current gas source satisfies the preset condition; compare the fan speed corresponding to the flow rate of the current gas source with the fan speed required by the current load of the gas water heater; decide whether to The gas water heater is controlled to work according to the current fan speed. The method is feasible, and the gas water heater can realize multi-gas source adaptive control, thereby effectively achieving a stable combustion state.

Description

technical field [0001] The invention relates to the technical field of household appliances, in particular to a control method for a gas water heater. Background technique [0002] Gas water heaters are mainly divided into natural gas models, liquefied gas models, and special gas sources (artificial gas, specific regional gas types) according to the different gas sources used. Different gas types have different gas source components and characteristics (density, combustion Potential, calorific value, reaction speed, etc.) As a result, the use of the same combustion system or exhaust system under the current conditions cannot meet the overall performance requirements of the product, such as flue gas performance indicators, thermal efficiency indicators, flame state indicators, etc. The required system structure and software are very different, mainly because the hardware structure of the same system has limited its versatility. [0003] The structure of the burner with diffe...

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Application Information

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Patent Type & AuthorityPatents(China)
IPC IPC(8): F24H9/20
CPCF24H9/2035
Inventor李志敏吴桂安朱莲宗王修东邓飞忠仇明贵潘叶江
OwnerVATTI CORP LTD