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The gas water heater thermostat is an important component in the gas water heater control system. Its main function is to automatically adjust the temperature of hot water and maintain the stability of the water temperature output of the water heater. The following will introduce in detail the working principle of the gas water heater thermostat.
The working principle of the gas water heater thermostat is mainly divided into three links: temperature acquisition, temperature control and output control.
Temperature acquisition: The gas water heater thermostat obtains the actual temperature inside the water heater through a built-in sensor. Usually, the temperature acquisition device is a thermocouple or thermistor, which can output corresponding electrical signals according to the temperature changes of the object. In gas water heaters, the temperature acquisition device is usually installed in the water tank of the water heater or in the hot water pipe to monitor the temperature of the hot water in real time.
Temperature control: The thermostat temperature control switch processes and judges the collected temperature signals to achieve automatic control of the hot water temperature. The basic principle of temperature control is to determine whether the heating power of the gas water heater needs to be adjusted by comparing the difference between the set temperature and the actual temperature. When the temperature difference is too large, the thermostat will output a corresponding control signal to adjust the temperature of the hot water by controlling the fuel supply and combustion state of the gas water heater.
Output control: The output control part of the gas water heater thermostat is mainly responsible for transmitting the control signal to the gas supply system of the gas water heater, thereby adjusting the heating power of the gas water heater. The output control part usually consists of a microcontroller or control chip, which can convert the control signal of the thermostat into a corresponding electrical signal, and control the operation of the gas water heater's gas supply valve or burner and other equipment through electrical components such as relays or switches. , thereby realizing the adjustment of hot water temperature.
Generally speaking, the working principle of a heater temperature control switch can be summarized as the following steps:
1. The sensor obtains the actual temperature inside the water heater and converts it into an electrical signal.
2. The thermostat compares the collected temperature signal with the set temperature to determine whether the heating power of the gas water heater needs to be adjusted.
3. The thermostat outputs the corresponding control signal according to the comparison result, and transmits the control signal to the gas water heater's gas supply system through the output control part.
4. The air supply system of the water heater adjusts the heating power of the gas water heater according to the received control signal, thereby adjusting the temperature of the hot water.
To sum up, the gas water heater thermostat automatically adjusts the temperature of hot water through three links: temperature acquisition, temperature control and output control. By collecting the actual temperature signal, comparing it with the set temperature, and then controlling the output, the heating power of the gas water heater is adjusted, and ultimately the purpose of stabilizing the output hot water temperature is achieved.
ZHONGSHAN VANGOOD APPLIANCES MFG CO.,LTD
Post time: Dec-07-2023
