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Structural principle and test of Thermostats

In order to control the cooling temperature of refrigeration equipment such as refrigerators and air conditioners and the heating temperature of electric heating devices, thermostats are installed on both refrigeration equipment and electric heating devices. 1. Classification of thermostats (1) C... Read More

Principle of thermal protector

With the development of science and technology, the demand for electronic products is increasing, and electrical accidents have become common. Equipment damage caused by voltage instability, sudden voltage changes, surges, line aging, and lightning strikes is even more numerous.Therefore, thermal... Read More

Principle of thermal fuse

A thermal fuse or thermal cutoff is a safety device which open circuits against overheat. It detects the heat caused by the over-current due to short circuit or component breakdown. Thermal fuses do not reset themselves when the temperature drops like a circuit breaker would. A thermal fuse must ... Read More

Main uses and precautions of NTC thermistor

NTC stands for “Negative Temperature Coefficient”. NTC thermistors are resistors with a negative temperature coefficient, which means that the resistance decreases with increasing temperature. It is made of manganese, cobalt, nickel,copper and other metal oxides as the main materials ... Read More

Principle and characteristics of refrigerator defrost heater

The refrigerator is a kind of home appliance that we use more often now. It can help us store the freshness of many foods,However,the refrigerator will freeze and frost during the use process, so the refrigerator is generally equipped with a defrost heater. What exactly is defrost heater?Let̵... Read More

Basic knowledge of electronic wire harness

The wire harness provides an overall set of service equipment for a certain load source group, such as trunk lines, switching devices, control systems, etc. The basic research content of traffic theory is to study the relationship among traffic volume, call loss and wire harness capacity, so wire... Read More

Application of aluminum foil heater

Aluminum foil heaters are cost-effective and reliable heating solutions, which find crucial applications across industries. The heating element can be composed of PVC or silicone insulated heating wires. The heating wire is placed between two sheets of aluminum foil or heat-fused to a single laye... Read More