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Temperature switch working principle and
The temperature switch is a switch that determines the on/off according to the te
Three control states of the temperature c
First, the vapor pressure type temperature control switch The action of the bello

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Temperature switch working principle and installation precau
Release Time:2019-03-08    Clicks:   
The temperature switch is a switch that determines the on/off according to the temperature of the object to be controlled; it is divided into two types according to the principle of operation: bimetal, pressure and thermal ferrite. Regarding the bimetal temperature switch: all kinds of metals have the characteristics of heat expansion and contraction, and the expansion coefficients of different metals vary with temperature. The bimetal temperature switch works according to this principle. The bimetal is composed of the upper layer. "High manganese alloy § and the lower layer of "Invar § composition. The former's expansion coefficient is several tens of times that of the latter, respectively called "active layer § and "passive layer §, at normal temperature, the contact between the copper sheet and the contact of the spring piece A and B is connected, the whole The circuit is in the on state. When the temperature rises, the active layer expands more than the passive layer, and the bimetal is bent downward. When the temperature rises to a certain extent, the circuit is broken. After cooling to a certain extent, the bimetal is restored and the circuit is turned on.
Temperature switch installation precautions:
1. During installation and use, do not touch the shrapnel and the temperature sensing part. Otherwise, the temperature of the protector will be out of alignment, and the contact will be bad and the action will be abnormal.
2. When installing, the contact contact surface is facing the leeward side, so as to avoid the influence of the blowing amount on the function of the shrapnel and the accumulation of dust on the surfaces of the contacts A and B, resulting in poor conduction.

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