How heating cables work
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- Time of issue:2023-04-25
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(Summary description)The inner core of the heating cable is composed of cold wire and hot wire, and the outer surface is composed of insulating layer, grounding layer, shielding layer and outer sheath. The heating cable transmits heat energy to the heating body through heat conduction (convection) and the emitted 8-13um far-infrared radiation.
How heating cables work
(Summary description)The inner core of the heating cable is composed of cold wire and hot wire, and the outer surface is composed of insulating layer, grounding layer, shielding layer and outer sheath. The heating cable transmits heat energy to the heating body through heat conduction (convection) and the emitted 8-13um far-infrared radiation.
- Categories:Industry News
- Author:
- Origin:
- Time of issue:2023-04-25
- Views:0
The working principle of the heating cable:
The inner core of the heating cable is composed of a cold wire hot wire, the outside is composed of an insulating layer, grounding, shielding layer and outer sheath, after the heating cable is energized, the hot wire heats up and runs between the temperature of 40~60 °C, the heating cable buried in the filling layer, the heat energy is transmitted to the heating body by heat conduction (convection) and the far-infrared radiation emitted by 8-13um.
The composition and working principle of the ground radiant heating system of the heating cable:
Power supply lines→ transformers→ low-voltage distribution devices→ household electricity meters→ thermostats→ heating cables→ radiate heat to the room through the floor
a. Electricity as an energy source
b. Use the heating cable as the heating element
c. Heat conduction mechanism of heating cable
(1) The heating cable will heat up after being energized, and its temperature is 40 °C-60 °C, through contact conduction, heating the cement layer surrounding it, and then transmitting to the floor or tiles, and then heating the air by convection, the conduction heat accounts for 50% of the heating capacity of the heating cable.
(2) The second part is that after the heating cable is energized, it will produce 7-10 micron far-infrared rays suitable for the human body, which will radiate to the human body and space. This part of the heat also accounts for 50% of the heat generation, and the heating efficiency of the heating cable is almost full.
After the heating cable is energized, the hot wire composed of nickel alloy metal inside heats up, and runs at a low temperature of 40~60 °C, and the heating cable buried in the filling layer transmits heat energy to the heating body through heat conduction (convection) and far-infrared radiation emitted by 8-13μm.
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