How the temperature recorder works
basic introduction
thermostat
The thermostat (English: Thermostat Day: サーモスタット) is used to automatically turn on and off various heating equipment, set the indoor temperature, and automatically adjust the room temperature according to a preset program when no one is present; Make it to a comfortable temperature.
working principle
8618 thermostat
The working principle is that the ambient temperature is automatically sampled and monitored by the temperature sensor. When the ambient temperature is higher than the control set value, the control circuit is started, and the control hysteresis can be set. If the temperature is still rising, when the temperature rises to the set over-limit alarm temperature point, the over-limit alarm function is activated. When the controlled temperature cannot be effectively controlled, in order to prevent the destruction of the device, the function of the trip can be used to stop the device from continuing to operate. Mainly used in various high and low voltage switchgears, dry transformers, box substations and other related temperature applications used in the power sector.
Main classification
Folding snap thermostat
The bimetal snap-type thermostat is a heat-sensitive reaction component after the constant temperature of the bimetal. When the temperature of the main component of the product rises, the heat generated is transferred to the bimetal disc to reach the operating temperature setting. Quick action, the contact is opened or closed by the action of the mechanism; when the temperature drops to the reset temperature setting, the bimetal quickly returns to its original state, causing the contact to close or open, thereby achieving the purpose of turning the circuit on or off. Control circuit.
The types of various snap-type thermostats are collectively referred to as KSD. Commonly used as KSD301, KSD302, etc., the thermostat is a new type of bimetal thermostat, mainly used as a heating element for various electric heating products, usually with heat. The fuses are used in series, and the snap-on thermostat is used as the primary protection. The thermal fuse is used as a secondary protection when the sudden-type thermostat fails or fails to cause the electric heating element to overheat, thereby effectively preventing the burning of the electric heating element and the fire accident caused thereby.
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