Various types of household heaters commonly used

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Various types of household heaters commonly used

Update:28 Nov 2020
PTC heater is an abbreviation of ceramic heating element. It uses a fan to blow air through the PTC heating element for forced convection, which is the main heat exchange method. It is equipped with a temperature limiter inside, when the air outlet is blocked by the fan, it can automatically cut off the power. Some also have automatic power-off function when tilted to the ground. Even when the heater is tilted or overturned, it can automatically cut off the power. The output power of the PTC heater is 800-1200 watts, and the temperature can be adjusted at will. Advantages: soft air supply during work, fast heating, automatic constant temperature function, PTC components generally have waterproof function, small size, and can be used in the bathroom. Disadvantages: low power, can only be used in a small area. Blowing at the same place for a long time will cause discomfort to the human skin. And if it is used for a long time without cleaning in time, the bacteria on the heater will be accelerated into the air and become a health hazard. In addition, the power of the heater is generally relatively small, and the noise when starting up is also a headache.
The upper part of the convection heater cover is the air outlet, and the lower part is the air inlet. After power on, the air around the heating tube is heated up and flows out from the air outlet, while the surrounding cold air enters the supplement from the air inlet . Such repeated cycles can increase the indoor temperature. When the inlet and outlet are blocked or the ambient temperature is too high, the temperature control element will automatically cut off the power supply of the electric heating tube. The power of this kind of electric heater is about 800 watts, and the power can be adjusted by increasing or decreasing the number of electric heating tubes. Advantages: The electric heater has high safety performance and quiet operation. Disadvantages: the temperature rises slowly and the environmental humidity drops significantly.
Electric heaters are also called oil-filled electric heaters. This kind of electric heater is filled with a new type of heat-conducting oil. When the power is turned on, the heat-conducting oil around the electric heating tube is heated, and then the heat is dissipated along the heat pipe or diffuser. When the oil temperature reaches 85°C, its temperature control element is automatically powered off. This kind of heating oil does not need to be replaced and has a long service life. The price is generally between 400 and 500 yuan. It is suitable for use in the living room, bedroom, aisle and families with elderly and children. It has the advantages of safety, hygiene, dust-free and tasteless. The disadvantage is slow heat dissipation and high power consumption. There are 7 fins, 9 fins, 10 fins, 12 fins, and so on. The power can be adjusted by selecting the number of fins. The power consumption is about 1200 watts.
The electric heating film heating adopts a hot air duct structure, the heat transfer method is enhanced convection, the heat start speed is fast, and the air outlet temperature can reach over 100°C within 3 minutes. Advantages: The electric heating film has no oxidation when it is heated, so the service life can be 100,000 hours, and it has the characteristics of small size and beautiful appearance. It is a new generation product of the electric heater family. Disadvantages: rapid cooling after power failure. The appearance is relatively thin, similar to the general shape of an LCD TV. This kind of heater heats up quickly, and is easy to cool down quickly after power failure.
The high-temperature far-infrared radiant heater uses a photocatalytic coating composition surface radiating plate, which is heated by an armored electric heating tube, and converts electrical energy into heat energy, and then the heat energy is converted into far infrared rays through the radiant plate. The radiation area is heated uniformly, and the entire system is mainly heated by far infrared radiation. Advantages: no heat transfer through convection, almost no effect on air humidity, high power, 1500w to 4000w available in the market, high comfort, uniform heating in fixed areas, only heating the active area, it is faster to use for a short time and save electricity. Use outside the window. Disadvantages: fixed wall construction and installation, part of the power must be installed with lead wires.