What is self regulating heating cable

Self-regulating heating cable is an intelligent heating device that is widely used in industry, construction, pipelines and other fields. It has the ability to automatically adjust the temperature and can automatically adjust the heating power according to changes in ambient temperature to ensure a constant temperature on the material surface. This article will introduce the principle, working principle and application areas of self-temperature heating cables.

1. Principle of self-temperature heating cable

Self-temperature heating cable is mainly composed of inner conductor, insulation layer, self-temperature material and outer sheath. Among them, the self-temperature material is a key part. It has the characteristic of negative temperature coefficient, that is, its resistance decreases as the temperature increases. When the ambient temperature is lower than the set temperature, the resistance of the self-tempering material is high, and the heat generated when the current passes through is correspondingly low; when the ambient temperature reaches the set temperature, the resistance of the self-tempering material decreases and the current passes through The heat generated will also increase accordingly to keep the set temperature constant.

2. Working principle of self-temperature heating cable

The working principle of self-regulating heating cable can be briefly described as the following steps:

1). Heating starts: When the ambient temperature is lower than the set temperature, the resistance of the self-tempering material is high, and the heat generated when the current passes is low. The heating cable starts working, providing the right amount of heat to the object being heated.

2). Self-heating of self-tempering materials: During the heating process, the resistance of self-tempering materials decreases as the temperature increases, and the heat generated also increases accordingly. This self-heating characteristic allows the heating cable to automatically adjust the heating power to maintain a constant surface temperature.

3). Temperature reaches the set value: When the ambient temperature reaches the set temperature, the resistance of the self-tempering material stabilizes at a lower value, and the heat generated also stabilizes at an appropriate level. Heating cables no longer provide excessive heat to maintain a constant surface temperature.

4). Temperature drop: Once the ambient temperature begins to drop, the resistance of the self-tempering material will increase accordingly, reducing the heat passing through the current. The heating power of the heating cable is reduced to avoid overheating.

3. Application areas of self-temperature heating cables

Self-regulating heating cables have a wide range of applications, including but not limited to the following aspects:

1). Industrial heating: Self-regulating heating cables can be used for heating industrial equipment, pipes and containers to maintain a constant operating temperature and prevent the occurrence of icing, frost and condensation.

2). Building heating: Self-regulating heating cables can be used in floor heating systems, snow melting systems and anti-freeze systems to provide comfortable heat sources and prevent freezing.

3). Petrochemical industry: Self-temperature heating cables can be used for oil fields, refineries, storage tanks and pipeline insulation to ensure the fluidity of the medium and the stable operation of the system.

4. Food processing: Self-regulating heating cables can be used for food heating, insulation and preservation to meet the temperature requirements during food production.

The above introduces to you "some relevant information about self-regulating heating cable". Self-regulating heating cable is an intelligent, efficient and energy-saving heating device. By automatically adjusting the temperature, it can ensure a constant temperature of the heated object and is widely used in industry, construction, pipelines and other fields. With the continuous development of technology, self-regulating heating cables will continue to innovate and improve to provide people with more reliable, safe and energy-saving heating solutions.