Do you know these electric heaters?
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1. The basic principle of electric heaters
Electric heaters are heating devices that convert electrical energy into thermal energy to achieve the purpose of heating. This conversion process can be achieved in many ways, the most common of which are resistance heating and electric heat wave radiation.
Resistance heating: Using the resistance characteristics of conductive materials, when current passes through conductive materials, due to the resistance inside the material, electrical energy will be converted into thermal energy. The resistance wire in the electric heater is a typical resistance heating element. When current passes through the resistance wire, the resistance wire will quickly heat up and release heat, and transfer the heat to the surrounding air through thermal radiation and convection, thereby achieving the effect of heating. The advantages of resistance heating are that it has a simple structure, low cost and easy control, so it is widely used in various electric heating equipment.
Electric heat wave radiation: Use electrical energy to convert into infrared radiation, directly irradiate objects and generate heat. The electric heat wave radiation element in the electric heater will emit infrared radiation. When the infrared ray shines on the surface of the object, it will cause the particles on the surface of the object to vibrate and generate heat. This method of heating does not require heating the air, but directly acts on the surface of the object, so it can achieve a heating effect in a shorter time. The advantages of electric wave radiation are fast heating speed, high efficiency and precise control of heating area, which is particularly suitable for occasions that require rapid heating.
2. Common types of electric heaters
Small sun heater: a reflective heater that generates heat energy by quartz tubes or halogen tubes. Some emit infrared radiation in a specific direction or space to achieve heat transfer. It has a strong heat-gathering ability, so the heating speed of the irradiated area is very fast, but the heating area is limited, which is suitable for small spaces. Avoid direct viewing when using it to prevent infrared rays from causing damage to the eyes.
Heater: uses a heating element to heat the air and then blow it out, similar to an oversized hair dryer. The heater is suitable for heating in small spaces and has the characteristics of instant heating. Its turbocharged air duct system can significantly increase the air volume and reduce heat loss, thereby achieving rapid heating. However, long-term use may cause dryness and discomfort to the human body, and the heating area is limited.
Electric oil heater: The appearance is similar to that of a radiator. It heats the heat transfer oil by heating it with electricity and circulating it in the radiator. The oil heater is a representative of a stable heating heater. It usually heats up slowly, and the temperature loss is also slow after it is turned off. Its power consumption is relatively large, and the noise during operation is very small.
Electric film heater: It uses silicon crystal electric heating film for heating. The overall shape is very similar to the oil heater, but it is lighter. It heats up quickly and makes no noise, but it cools down quickly after it is turned off. When using it, you should pay attention to waterproofing and dustproofing.
3. Correct use of electric heaters
Placement: Make sure the electric heater is placed in a well-ventilated place and avoid being close to walls or furniture for a long time to prevent overheating and fire.
Power supply check: Before use, check whether the power cord of the electric heater is intact and make sure there are no exposed wires or loose plugs.
Preheating time: When turning on the electric heater, do not approach it immediately to avoid burns. Wait a few minutes for the electric heater to reach a stable temperature before approaching it.
Avoid blocking: Do not place anything on the electric heater to avoid blocking the heat sink and affecting its normal operation.
Turn off in time: After use, turn off the electric heater in time and unplug the power cord to ensure safety.
4. Recommendations for purchasing electric heaters
Brand reputation: Buy products that are certified by the state and produced by regular manufacturers, and the quality is more guaranteed.
Functional requirements: Choose the appropriate type of electric heater according to the heating area and needs, such as small sun is suitable for small spaces, and electric oil heater is suitable for families that need long-term heat preservation.
Safety performance: Choose electric heaters with safety functions such as overheating protection and dumping power off to ensure safety during use.
After-sales service: Understand the after-sales service policy of the product so that problems can be solved in time when they are encountered during use.
In summary, as one of the important equipment for winter heating, electric heaters need to fully understand the relevant knowledge when selecting and using them to ensure the safety and effectiveness of use.
Electric heaters are heating devices that convert electrical energy into thermal energy to achieve the purpose of heating. This conversion process can be achieved in many ways, the most common of which are resistance heating and electric heat wave radiation.
Resistance heating: Using the resistance characteristics of conductive materials, when current passes through conductive materials, due to the resistance inside the material, electrical energy will be converted into thermal energy. The resistance wire in the electric heater is a typical resistance heating element. When current passes through the resistance wire, the resistance wire will quickly heat up and release heat, and transfer the heat to the surrounding air through thermal radiation and convection, thereby achieving the effect of heating. The advantages of resistance heating are that it has a simple structure, low cost and easy control, so it is widely used in various electric heating equipment.
Electric heat wave radiation: Use electrical energy to convert into infrared radiation, directly irradiate objects and generate heat. The electric heat wave radiation element in the electric heater will emit infrared radiation. When the infrared ray shines on the surface of the object, it will cause the particles on the surface of the object to vibrate and generate heat. This method of heating does not require heating the air, but directly acts on the surface of the object, so it can achieve a heating effect in a shorter time. The advantages of electric wave radiation are fast heating speed, high efficiency and precise control of heating area, which is particularly suitable for occasions that require rapid heating.
2. Common types of electric heaters
Small sun heater: a reflective heater that generates heat energy by quartz tubes or halogen tubes. Some emit infrared radiation in a specific direction or space to achieve heat transfer. It has a strong heat-gathering ability, so the heating speed of the irradiated area is very fast, but the heating area is limited, which is suitable for small spaces. Avoid direct viewing when using it to prevent infrared rays from causing damage to the eyes.
Heater: uses a heating element to heat the air and then blow it out, similar to an oversized hair dryer. The heater is suitable for heating in small spaces and has the characteristics of instant heating. Its turbocharged air duct system can significantly increase the air volume and reduce heat loss, thereby achieving rapid heating. However, long-term use may cause dryness and discomfort to the human body, and the heating area is limited.
Electric oil heater: The appearance is similar to that of a radiator. It heats the heat transfer oil by heating it with electricity and circulating it in the radiator. The oil heater is a representative of a stable heating heater. It usually heats up slowly, and the temperature loss is also slow after it is turned off. Its power consumption is relatively large, and the noise during operation is very small.
Electric film heater: It uses silicon crystal electric heating film for heating. The overall shape is very similar to the oil heater, but it is lighter. It heats up quickly and makes no noise, but it cools down quickly after it is turned off. When using it, you should pay attention to waterproofing and dustproofing.
3. Correct use of electric heaters
Placement: Make sure the electric heater is placed in a well-ventilated place and avoid being close to walls or furniture for a long time to prevent overheating and fire.
Power supply check: Before use, check whether the power cord of the electric heater is intact and make sure there are no exposed wires or loose plugs.
Preheating time: When turning on the electric heater, do not approach it immediately to avoid burns. Wait a few minutes for the electric heater to reach a stable temperature before approaching it.
Avoid blocking: Do not place anything on the electric heater to avoid blocking the heat sink and affecting its normal operation.
Turn off in time: After use, turn off the electric heater in time and unplug the power cord to ensure safety.
4. Recommendations for purchasing electric heaters
Brand reputation: Buy products that are certified by the state and produced by regular manufacturers, and the quality is more guaranteed.
Functional requirements: Choose the appropriate type of electric heater according to the heating area and needs, such as small sun is suitable for small spaces, and electric oil heater is suitable for families that need long-term heat preservation.
Safety performance: Choose electric heaters with safety functions such as overheating protection and dumping power off to ensure safety during use.
After-sales service: Understand the after-sales service policy of the product so that problems can be solved in time when they are encountered during use.
In summary, as one of the important equipment for winter heating, electric heaters need to fully understand the relevant knowledge when selecting and using them to ensure the safety and effectiveness of use.