Wind speed measuring assembly, gas combustion equipment and control method of gas combustion equipment
A technology of wind speed measurement and gas combustion, which is applied in combustion methods, fluid speed measurement, gas fuel burners, etc., can solve problems such as insufficient wind speed accuracy, insufficient gas combustion, hidden dangers, etc., so as to improve wind resistance performance and improve combustion efficiency. condition, the effect of reducing emissions
Pending Publication Date: 2021-03-30
WUHU MIDEA KITCHEN & BATH APPLIANCES MFG CO LTD +1
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Problems solved by technology
[0005] At present, gas water heaters generally detect the change of wind speed of the fan by installing a wind pressure sensor or the current value of the motor, but there are still installation positions and angle deviations of the wind pressure sensor that have a great influence on the measured value, and the accuracy of judging the wind speed by the current value is not enough, etc. problems, resulting in gas water heaters not being able to adjust the air supply volume in real time, resulting in insufficient combustion of gas, increasing the emission of harmful gases in the exhaust gas, and when the external wind pressure is too high, it may also lead to safety hazards such as tempering
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[0034] 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.
[0035] In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be interpreted as indicating or implying relative importance or implicitly specifying the quantity of indicated technical features. Thus, a feature defined as "first" and "second" may explicitly or implicitly include one or more of these features. In the description of the present invention, "plurality" means at least two, such as two, three, etc., unless specifically defined otherwise.
[0036] In the present invention, unless ...
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The invention discloses a wind speed measuring assembly, gas combustion equipment and a control method of the gas combustion equipment. The wind speed measuring assembly comprises an air supply assembly, a measurement unit and a control unit; the air supply assembly is used for conveying combustion-supporting gas; the measurement unit is provided with a resistance element which is changed along with the change of temperature; and the control unit determines a resistance value of the measurement unit based on a voltage value of the measurement unit at a constant current. By arranging the measurement unit, the wind speed of the combustion-supporting gas can be measured timely, stably and accurately, the wind resistance of the gas combustion equipment is improved, moreover, when the air supply amount is changed, the combustion-supporting gas can be better matched with the gas, so that the combustion working condition of the gas combustion equipment is improved, and the emission of harmfulgas in tail gas of the gas combustion equipment is reduced.
Description
[0001] Cross References to Related Applications [0002] This application claims the priority of the application date of September 30, 2019, the application number is 201921674133.1, and the patent application name is "hot water equipment", and the application date is September 30, 2019, the application number is 201910943633.9, and the patent application name is For "hot water equipment" priority. technical field [0003] The invention relates to the field of gas water heaters, in particular to a wind speed measurement component, a gas combustion device and a control method for the gas combustion device. Background technique [0004] When the gas combustion equipment (take gas water heater as an example) is running, it will drive the airflow to move. When the external resistance changes, the movement state of the airflow is different. By monitoring the airflow state and adjusting the gas volume and air volume accordingly, it can not only improve the gas The comfort, safety...
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IPC IPC(8): F24H9/18F24H9/20F23N3/00G01P5/00
CPCF24H9/1836F24H9/2035F23D14/02F23N3/002G01P5/00
Inventor 大林利彦李茂照黄官贤梁国荣邓丽敏
Owner WUHU MIDEA KITCHEN & BATH APPLIANCES MFG CO LTD