Safety detection method for water heater
A technology for safety detection and water heaters, applied in fluid heaters, lighting and heating equipment, etc., can solve problems such as gas consumption, gas explosion, and incomplete gas combustion
Active Publication Date: 2013-09-18
GRAND MATE
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Problems solved by technology
[0002] After the water heater has been used for a period of time, due to the increase in the number of uses or the influence of the installation environment, the internal parts are prone to aging or damage, and the aging or damaged parts will cause the heating efficiency of the water heater to decrease. At this time When the water heater reaches the preset temperature, the water heater must supply more gas for heating, but this will consume more gas, which will increase the heating cost
[0003] In addition, the aging or damage of the parts may also lead to the incomplete combustion of gas and the possibility of carbon monoxide production.
Furthermore, when the machine parts are damaged, it may cause gas leakage, and then cause the danger of gas explosion
It can be seen from the above that when the internal parts of the water heater are aged or damaged, not only will the combustion efficiency be poor, but it may even endanger the safety of the human body.
Method used
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[0016] In order to illustrate the present invention more clearly, preferred embodiments are given and described in detail in conjunction with the accompanying drawings as follows.
[0017] First, the structure of the water heater 1 used in the preferred embodiment of the present invention will be briefly introduced, and then the method for achieving the purpose of safety inspection will be described later.
[0018] figure 1 The shown water heater 1 includes a temperature setting unit 10, a water delivery pipe 20, a heating unit 30, a gas supply unit 40, two temperature detectors 50, 51, a water flow detector 60, and a controller 70 and a warning device 80. Wherein, the water delivery pipe 20 has a water inlet 20a and a water outlet 20b; the gas supply unit 40 includes a gas pipe 42 and a gas proportional valve 44 arranged on the gas pipe 42, and the gas proportional valve 44 has a function of adjusting the gas supply to the The effect of the 30 gas volume of the heating unit...
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The invention discloses a safety detection method for a water heater. The method comprises the following steps of: setting a using temperature first, measuring the temperature and the water flow of incoming water during starting, calculating an ideal gas total quantity, and supplying gas according to the ideal gas total quantity for heating; when the gas supply reaches the gas total quantity, sensing the temperature of yielding water, and if the temperature of the yielding water does not reach the using temperature, calculating a temperature difference ratio by using the temperature difference between the temperature of the yielding water and the temperature of the incoming water and the temperature difference between the using temperature and the temperature of the incoming water; continuously heating until the temperature of the yielding water reaches the using temperature; comparing the actually provided gas quantity with the ideal gas total quantity to obtain an efficiency ratio; and if the temperature difference ratio is smaller than a preset value, or the efficiency ratio is smaller than a reference value, sending a treatment signal by a detection unit to perform subsequent safety treatment.
Description
technical field [0001] The invention relates to water heaters, and more specifically refers to a safety detection method for water heaters. Background technique [0002] After the water heater has been used for a period of time, due to the increase in the number of uses or the influence of the installation environment, the internal parts are prone to aging or damage, and the aging or damaged parts will cause the heating efficiency of the water heater to decrease. At this time When the water heater reaches the preset operating temperature, the water heater must supply more gas for heating, but this will consume more gas, which will increase the heating cost. [0003] In addition, the aging or damage of the components may also lead to the incomplete combustion of gas and the possibility of producing carbon monoxide. Furthermore, when the mechanical parts are damaged, it may cause gas leakage, and then cause the danger of gas explosion. It can be seen from the above that when...
Claims
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IPC IPC(8): F24H9/20
Inventor 黄重景黄锦颖黄信铭黄信雄林冠州
Owner GRAND MATE