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|PTC Ceramic Heating Tech
Ceramic electric heaters are available in ring type and plate shape, with reliable operation, long life, sturdy and durable, energy saving, convenient installation, high temperature resistance, fast heat transfer, good insulation, and the production is not limited by model and size. According to the wiring method required by the user, the voltage is from 36V, 110V, 180V, 220V, 380V, and the maximum power load is 6.5W per square. Compared with the traditional electric heater, the energy consumption can be reduced by 30%. Ceramic heaters are suitable for electric heating products such as electric splints for straight hair, hair curlers, electric irons, electric irons, hair dryers, dryers, steamers, heaters, toilet seats with warm water, and medical equipment.
In terms of safety and reliability, PTC heaters are generally safer than traditional heating wires, with higher insulation voltage, smaller and more stable leakage current. In some applications, traditional heating wires cannot pass safety certification, but PTC heaters can pass safety certification, so PTC can be used in occasions with relatively high safety requirements. However, not all manufacturers’ PTC, all PTC, and safety will meet the requirements, so it is necessary to choose high-quality PTC manufacturers to supply. PTC is used for solid heating. The main safety and reliability issues are: first, the PTC ceramic body breaks down and burns, resulting in a short circuit and burns the insulating layer; second, the insulating layer breaks down and leaks, which makes the shell electrified.
Main advantages: The surface temperature of the PTC ceramic heating element can be automatically controlled and constant, which can prevent dry burning.
Main disadvantages: The surface of the PTC ceramic heating element itself is charged, and it needs to be installed in a special heat dissipation component after surface insulation treatment, which increases the assembly cost; the product and the object to be heated are indirectly heated due to heat loss, which leads to a decrease in thermal efficiency; PTC ceramic heating element is heated The power will gradually attenuate as the working time increases; the lead in the product does not meet the environmental protection requirements. Product structure of ceramic heater: The ceramic heater is made of stainless steel skin, with a resistance wire inside the ceramic with high insulation and fire resistance, and then mechanically twisted into shape, connected to the power supply, and ready to use. Heating up to 500 degrees in 30 seconds.