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What is PTC in the car?

Nov 16, 2022

PTC refers to car heaters.


On-board PTC refers to car heaters, which are mainly used to warm up the engine and heat the cab in winter.


PTC can be used as a ceramic heater element for automobiles to start at low temperatures, and it can be made into different structural forms of bright stool tube type and flat disc type, and the result of this is that the thermal efficiency generated by PTC is fully utilized.


These two types of structure are simple, small in size and easy to install, generally fixed directly on the inner wall of the vaporization chamber, and directly heating the gasoline in the gasification chamber in the vaporization chamber.


Its temperature rises rapidly, which improves the fuel combustion gasification effect, which is not only conducive to the normal start of the car in a low temperature environment, but also reduces the pollution caused by the generation of automobile exhaust gas, and reduces fuel consumption and fuel consumption.

Because the temperature PTC thermistor element has the characteristics of automatic control of constant temperature heating, and these PTC heater components operate in a contactless state when controlling the temperature, they are very suitable for use in automobiles with changing conditions in peak wave environments.


Electric vehicles have always used PTC (Positive Temperature Coefficient) heaters. For example, Mitsubishi Motors' i‐MiEV uses a PTC heater to heat circulating water, and Nissan's "Leaf" to be launched in FY2010 uses a PTC heater to heat air directly.


Later, Nissan's air heaters were understood to have undergone considerable changes or been abandoned, in favor of point-to-point, face-to-face heating.


PTC can be used as a ceramic heater element that is started at low temperatures in automobiles, and can be made into different structural forms of branch pipe key type and flat disc type, which results in making full use of the thermal efficiency generated by PTC.


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