Thermostat refers to a series of automatic control components that produce certain special effects and produce turn-on or turn-off actions according to the physical deformation inside the switch according to the temperature change of the working environment. It is also called temperature control switch and temperature protector.
Two layers of metals with different thermal expansion coefficients are mechanically pressed together. When the temperature changes, its curvature will change. When the curvature reaches a certain degree, the circuit is connected (or disconnected) to make cooling (or heating) ) The equipment works.
Since entering June, various promotional activities of "6.18" have started, which has once again spurred the battle for air-conditioning sales. After the baptism of the epidemic last year, people's attention to the health of human settlements has further increased. As a healthy product, fresh air air conditioners have become the focus of the layout and marketing of air conditioners this year.
The market prospects of sweeping robots are opening up. Based on the data from the pre-sale stage of the 6.18 promotion this year, among the sub-sectors of small household appliances, cleaning appliances have the best prosperity