The thermostat is also called the temperature controller. According to the temperature change of the working environment, a physical change occurs inside the switch, which produces some special effects, a series of automatic control elements that produce conduction or disconnection actions, or electronic components in different Under the temperature, the different principles of the working state provide temperature data to the circuit for the circuit to collect temperature data.
A thermostatic controller is a temperature controller that controls the temperature at a fixed value. A constant temperature controller refers to a control device used to maintain the temperature of the main body at a certain point or a certain temperature range. It mainly senses and regulates the temperature of the main body through circuits and sensing elements. Widely used in chemistry, physics, biology and other fields, and also widely used in daily life, such as incubators, refrigerators and so on.
The fluid medium temperature controller is based on the principle of thermal expansion and contraction of temperature-sensing fluid and liquid incompressibility to realize automatic adjustment. When the control temperature rises, the thrust generated by the expansion of the temperature-sensing liquid will close the heat medium to reduce the output temperature; when the control temperature decreases, the temperature-sensing liquid will shrink, and the heat medium will be opened to increase the output temperature under the action of the reset device. , so that the controlled temperature reaches and maintains within the set temperature range.
The working principle of the bimetal thermostat is based on the principle of thermal expansion and contraction of objects. Expansion with heat and contraction with cold is a common feature of objects, but different objects have different degrees of thermal expansion and contraction. The two sides of the double gold sheet are conductors of different materials. Under the changing temperature, the double gold sheet bends due to the different degrees of expansion and contraction, and when it touches the set contact or switch, the set circuit (protection) starts to work.
Color temperature type thermostat, the working principle is based on the principle that some paints will produce different colors at different temperatures. For example, liquid crystals can produce different colors at different temperatures, and then use a camera-like color collector to provide different data to the circuit to control the circuit.
