First, about the floor heating thermostat
As the name implies, the floor heating thermostat is a device that controls the floor heating temperature. It can set the switch machine or adjust the room temperature according to people's needs, so as to realize the intelligentization of heating.
1, the composition
Temperature control panel, temperature control probe, control line, electric actuator, switch bottom box, line tube.
2, the principle
Floor heating thermostats are mainly divided into two types, mechanical and electronic.
Mechanical type: Temperature control switch that forms a mechanical contact with a sensitive gas capsule or a temperature sensing element. There are many such thermostats in Europe and the United States, and there are few in China. The advantages are low cost, simple installation and use, and good long-term reliability; the disadvantage is that the temperature control switch has large deviation (generally greater than ±3 °C), the display is not intuitive and the function is single; and the output contact current is only 8A, which also limits It is used in electric heating engineering.
Electronic: There are liquid crystal displays (some electronic thermostats with liquid crystal display have programmable functions) and no LCD display. Electronically, the thermistor senses the ambient temperature and controls the operation or stop of the connected heater or cooler through the relay. It has the advantages of low cost, simple operation and high temperature control accuracy (±1 °C). It is superior to mechanical thermostat in terms of function. Individual brand products also feature energy-saving programming, which automatically reduces the set temperature by 5 °C when not at home.
3, classification
According to the type of floor heating, it is divided into electric floor heating temperature controller and water floor heating temperature controller. According to the form of input and output, it can be divided into digital thermostat and analog thermostat.
Digital thermostat: Generally, there is a liquid crystal display or a digital tube display panel, and the temperature is set and controlled by a button. The popularity in China is much higher than that in Europe and the United States. Therefore, there are many forms and varieties in China, and the quality is also uneven. The weekly programming time temperature controller (referred to as: programming temperature controller) is a kind of digital display temperature controller, which can set different temperatures corresponding to different time periods in a week according to different living rules in the heating area to realize automatic control . The energy saving effect is remarkable. According to thousands of people, the other is a non-programmed thermostat, which has the advantages of simple operation, intuitiveness and humanization.
Analog thermostat: Generally, the knob or slider type wave wheel is used to set the control temperature.
As for the wireless control of the floor heating thermostat and the remote (centralized) control thermostat, the domestic development direction should not be described.
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