In our daily life, the refrigerator is one of the indispensable household appliances for storing food and keeping it fresh. However, some people may find that defrost heating tubes sometimes appear inside the refrigerator when they use it, which raises the question of why there is stainless steel defrost heater in the refrigerator. This article will give you the answer to that question.
First, the role of tubular defrost heater
Defrost heating tube is a kind of stainless steel heating tube that can heat up after being energized. It is widely used in various heating and insulation equipment. In refrigerators, defrost heating tubes are commonly used for the following functions:
Defrost: When the refrigerator is running, due to the low temperature of the evaporator, the water vapor in the air will condense on the surface of the evaporator to form frost. Over time, these creams will accumulate and become thicker, affecting the effectiveness of the refrigerator. To solve this problem, refrigerators are often equipped with defrosting systems. As part of the freezer defrost system, the freezer defrost heater is powered to melt the frost from the evaporator to achieve the purpose of frost removal.
Temperature control: Some high-end refrigerators use defrost heating tube for precise temperature control. By adjusting the power time and power of the defrost heater tube, the temperature inside the refrigerator can be controlled to ensure the freshness of food.
Sterilization: Some high-end refrigerators will also use defrost tubular heater for sterilization. By means of electric heating, the defrost heating tube can kill bacteria and viruses attached to the internal surface of the refrigerator, improving the safety of food.
Second, the position of defrosting tube heater
The defrost tube heaters are usually installed on the evaporator of the refrigerator. The evaporator is part of the refrigeration system of the refrigerator and is located on the back or bottom of the refrigerator. When the defrost heating pipe is energized, it melts the frost on the evaporator and drains out of the refrigerator through the drainage system. So if you see a defrost heating pipe while cleaning or servicing your refrigerator, it’s likely set up for defrost.
Third, safety of defrost heating tube
Some people may be concerned about the safety of the defrost heating tube, after all, it involves electrification and heating. However, as long as it is properly installed and used, the defrost heater is safe. High-quality refrigerators usually have protection mechanisms, such as overheat protection and overcurrent protection, to ensure that the defrost heater will not continue to heat or produce sparks due to failure. In addition, the design and materials of defrost heater tubes must also comply with relevant standards and regulations to ensure their safety and reliability.
Fourth, How to maintain defrost heater tube
For household refrigerators, the defrosting system is usually automatic and does not require too much user intervention. However, in order to ensure the normal operation of the defrost heater tube and extend the service life of the refrigerator, here are some suggestions:
Regular cleaning: Keeping the inside of the refrigerator clean is an important step in maintaining the defrost heater. Regular cleaning and defrosting can prevent excessive accumulation of frost from affecting the normal operation of the defrost heater.
Check the drainage system: If the drainage system is blocked or malfunctioning, it will cause the melted water to not be discharged in time, which may affect the normal operation of the refrigerator defrost heater. Therefore, it is also necessary to regularly check whether the drainage system is smooth.
Avoid overuse: While freezer defrost heating tube protects the freezer from frost to a certain extent, overuse may accelerate the aging of the evaporator. Therefore, rational use and avoiding frequent initiation of defrost mode are necessary.
Contact a professional repair: If you suspect a malfunction or problem with the defrost heating tube, it is best to contact a professional appliance repairman for inspection and repair. They have the expertise and experience to accurately identify problems and provide appropriate solutions.
The defrost heating element is installed in the refrigerator for functions such as defrost, temperature control and sterilization. By understanding the role, location, safety and maintenance methods of defrost heating element, we can better understand its importance and role in refrigerators. Attention to maintenance and maintenance in daily use can ensure the normal operation of defrost heating element and extend the service life of the refrigerator.
Post time: Jul-30-2024