Gas water heater and safety control system and method thereof

A gas water heater and safety control technology, which is applied in the combustion method, control combustion, fluid heater and other directions, can solve the problems of users being unable to use it normally, the gas water heater stops running, and the installation cost is high, so as to ensure safe and reliable operation, low cost, Responsive effect

Inactive Publication Date: 2018-03-09
WUHU MIDEA KITCHEN & BATH APPLIANCES MFG
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Although the wind pressure detection unit can avoid the combustion operation of the gas water heater under the condition of wind pressure backflow, the cost of the d

Method used

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  • Gas water heater and safety control system and method thereof
  • Gas water heater and safety control system and method thereof
  • Gas water heater and safety control system and method thereof

Examples

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Embodiment Construction

[0027] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary and are intended to explain the present invention and should not be construed as limiting the present invention.

[0028] The following describes the gas water heater and its safety control system and method according to the embodiments of the present invention with reference to the accompanying drawings.

[0029] figure 1 It is a block diagram of a safety control system for a gas water heater according to an embodiment of the present invention. Such as figure 1 As shown, the safety control system of the gas water heater includes: an exhaust fan 10 , a rotational speed detection unit 20 , a power acquisition unit 30 and an exhaust air contr...

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Abstract

The invention discloses a gas water heater and a safety control system and method thereof. The system comprises an exhaust fan for exhausting waste gas produced by the gas water heater during burning,a rotary speed detecting unit for detecting the rotary speed of the exhaust fan, a power obtaining unit for obtaining an output power given value of the exhaust fan, and an exhausting control unit connected with the exhaust fan, the rotary speed detecting unit and the power obtaining unit and used for judging the air outlet air pressure situation of the exhaust fan according to the rotary speed of the exhaust fan and the output power given value of the exhaust fan and regulating the output power given value of the exhaust fan according to the air outlet air pressure situation of the exhaust fan. The system can ensure that the gas water heater has good burning conditions and ensure safe and reliable operation of the gas water heater, is high in response speed and lower in cost, can providemore accurate air volume and improves the control accuracy.

Description

technical field [0001] The invention relates to the technical field of water heaters, in particular to a gas water heater and its safety control system and method. Background technique [0002] At present, the common gas water heaters on the market include: D type (natural exhaust), Q type (forced exhaust), P type (natural supply and exhaust), G type (forced supply and exhaust) and W type (outdoor setup), etc. Among them, the Q-type and G-type gas water heaters are directly equipped with an exhaust fan to forcefully discharge the waste gas during combustion to prevent the residual gas from burning and exploding. [0003] In related technologies, Q-type gas water heaters usually use a wind pressure detection unit to detect the wind pressure at the outlet, and then control the exhaust fan and ignition unit according to the detected wind pressure to ensure that the gas water heater can work normally. Although adopting the wind pressure detection unit can avoid the combustion ...

Claims

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Application Information

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IPC IPC(8): F24H9/20
CPCF24H9/2035F23N3/082F24H15/174F24H15/215F24H15/35F24H15/20F24H15/31F24H15/219F24H15/36F24H15/281
Inventor 薛承志代先锋梁国荣唐晓峨钱晓林
Owner WUHU MIDEA KITCHEN & BATH APPLIANCES MFG
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