In summer, it helps people escape the heat and bring coolness; in winter, it helps people avoid the cold and bring warmth. With the rapid development of science and technology and the improvement of people's economic level, it has entered thousands of households. Everyone has probably guessed the product I am talking about, which is the common air conditioner in our lives. Everyone is familiar with air conditioners, but do you really know them well? Do you know what air conditioner electric auxiliary heating means? Many people are certainly unclear. Let's learn about it together. The auxiliary heating of an air conditioner should refer to the auxiliary electric heating function. The cooling and heating of an air conditioner generally depend on the power of the compressor, and the basic principle is the same. In summer, the air conditioner can achieve the cooling effect by lowering the temperature by a few degrees, but in winter, the temperature usually needs to be raised by tens of degrees. At this time, it is difficult to achieve the ideal effect by relying solely on the compressor's work, so auxiliary electric heating is needed, that is, a heating rod-like bent tube added inside the indoor unit to assist heating and achieve the ideal effect. The electric auxiliary heating technology of air conditioners is PTC electric auxiliary heating technology. PTC is a semiconductor heating ceramic. When the external temperature decreases, the heating value increases accordingly. Based on this principle, air conditioners using PTC electric auxiliary heating technology can automatically change the heating value according to changes in room temperature and the indoor unit's air volume, thereby appropriately adjusting the indoor temperature to achieve rapid and powerful heating. Generally speaking, cold weather seriously affects the normal performance of the air conditioner's heating function, while air conditioners with electric auxiliary heating function, due to the regulation and auxiliary effect of electric auxiliary heating on the heating value of the air conditioner, overcome this disadvantage well and are very suitable for use in cold regions. In winter, because the outdoor temperature is already low, and the outdoor unit blows cold air outdoors, the cold source dissipates relatively slowly, which directly affects the heating efficiency of the compressor. Many air conditioner manufacturers, in order to meet the national heating standard, have to add an electric auxiliary heating function. Of course, there are also some cases where the heating capacity is too slow at startup, so an electric auxiliary heating function is added. Therefore, from the perspective of efficacy, electric auxiliary heating is optional. At the same time, you can roughly know whether the heating capacity of your air conditioner meets the standard. Working principle of electric auxiliary heating: Using a thermistor, the resistance increases sharply naturally, and the current decreases rapidly accordingly, allowing the electric auxiliary heating to maintain a relatively constant temperature. It is composed of ceramic and metal materials. First, the heating efficiency is very poor. Compared with the heating of the air conditioner, the energy efficiency of PTC heating is very poor, only 1/3 to 1/4 of the thermal efficiency of the air conditioner's heating. Therefore, from the perspective of energy efficiency, PTC electric auxiliary heating is unnecessary. Second, from the perspective of comfort, because the temperature of the electric auxiliary heating element is very high, the air blown out by the air conditioner is relatively dry, making it easy to cause respiratory diseases. The reason is that the air temperature around the electric auxiliary heating is very high, but the moisture in the air does not increase correspondingly, resulting in a very low relative humidity, making the blown air feel irritable. After reading the above introduction, I wonder if you have some understanding of air conditioner electric auxiliary heating. Technology is always endless. More and more technological products appear in our lives. They have changed our lives and brought us a lot of convenience. However, many of us only know how to use the products and do not understand their structure very well. But if we want to be more familiar with an item, we still need to know more about it, so that we can keep up with the pace of the times.
