How fast do PTC heaters age?
PTC heater heats up quickly, can also automatically control the temperature in case of fan failure, long service life, wide voltage use limit, can be planned between 12V-380V according to demand, planning is convenient, can be planned from small power to high power arbitrarily, the shape can also be planned according to requirements, no incineration, safe and reliable, PTC fever does not red, no open flame. In small and medium-power heating places, PTC heating has the upper wind of ancient fever components that cannot be compared with ancient fever components, such as constant temperature fever, no open flame, high heat conversion rate, minimal influence by power supply voltage, and long natural life, and the use of electric heating appliances is increasingly favored by R&D engineers.
Aging attenuation is one of the key parameters to weigh the quality of PTC heater heater, the first 400 hours of use aging speed is faster, and then gradually moderated, after 1000 hours of continuous work, good component output power attenuation about 10% at the mercy, high temperature fan then tends to be stable, which has little impact on the heating effect of the heater. As the room temperature rises, the output power slowly drops, and the heating effect becomes sluggish.
High power density is also one of the distinctive features of fan heaters. However, with the passage of time, the aging decay is very obvious. PTC heater heater uses forced convection to heat room temperature, because the heat transfer coefficient of forced convection air is dozens of times that of natural convection, so the heat exchange area required to transfer the same heat is as small as a few tenths, and a 100-120W component can be made to 24×15×2.2 mm3 such a small volume, which is exactly the same power environment. Pneumatic ball valve affects the aging attenuation of the factors are very many, the Curie point is high is its important reason, the higher the Curie point, the faster the aging, some miscellaneous manufacturers for the festival of the old and one-sided pursuit of high power, often choose TC≥ 260 °C components to make the fever heater in the early stage of use as if there is no PTC heater heater fan can do a sophisticated and simple link.
