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Heating pipe for defrosting

A heating tube and tube body technology, applied in the direction of the shape of the heating element, can solve the problems of high defrost heater, easy damage and short life, and achieve the effects of improving insulation resistance, good adaptability and simple structure

Inactive Publication Date: 2012-10-17
ANHUI HAOLAIXI TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The frosting phenomenon not only affects the transparency of the glass of the refrigerated display cabinet, but also the door and window glass is easy to freeze, which makes it inconvenient to store and take out food, so the display cabinet and refrigerator must be equipped with a defrosting heater
Due to the characteristics of high indoor humidity, low temperature, and frequent cold and heat shocks when the refrigeration equipment is working, the technical performance requirements for the defrosting heater are particularly high. The main heating element of the existing heater in the market is an electric heating tube, while ordinary electric Tubes are easily damaged and have a short lifespan under low temperature and high humidity working conditions in display cabinets and refrigerators

Method used

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  • Heating pipe for defrosting

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Embodiment Construction

[0010] The present invention will be described in further detail below in conjunction with the accompanying drawings and specific embodiments.

[0011] see figure 1 , defrosting heating tube, including a tube body (1), the tube body (1) is provided with a heating wire (2), and the two ends of the tube body (1) are fixedly connected with an insulating layer (3), so The insulation layer (3) is connected with wires (4), the tube body (1) is made of aluminum foil, and the gap in the tube is filled with compacted magnesia sand, and the material of the heating wire (2) is iron chromium alloy, the tube body (1) is designed as "ε" type, and there are three wires (4).

[0012] Based on the above, the beneficial effects of the present invention are: the structure is simple, the aluminum foil tube body has good adaptability under low temperature and high humidity conditions, and the insulation resistance of the tubular electric heating element at low temperature is improved by filling c...

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Abstract

The invention discloses a heating pipe for defrosting, which comprises a pipe body, wherein an electric heating wire is arranged in the pipe body, both ends of the pipe body are fixedly connected with an insulating layer, the insulating layer is connected with conducting wires, the material of the pipe body is an aluminum foil, a clearance in the pipe of the pipe body is filled with compacted magnesia sand, the material of the electric heating wire is ferrochromium, the pipe body is designed into an E shape, and the number of the conducting wires is 3. The structure is simple. The aluminum foil pipe body has very good adaptability under the conditions of low temperature and high humidity, and the insulation resistance of the low-temperature state of a pipe-shaped electric heating element is enhanced by filling the compacted magnesia sand. Meanwhile, leakage current at a low-temperature state is lowered, and the E-shaped pipe body which is exclusively arranged can be inlaid on the fins of an air cooler and a condenser and at a chassis of a water accumulating disk more conveniently for defrosting.

Description

technical field [0001] The invention relates to an electric heating tube, in particular to a defrosting heating tube applied to freezing equipment such as freezing and refrigerating display cabinets and household refrigerators. Background technique [0002] The frosting phenomenon not only affects the transparency of the glass of the refrigerated display cabinet, but also the door and window glass is easy to freeze, which makes it inconvenient to store and take out food. Therefore, the display cabinet and refrigerator must be equipped with defrosting heaters. Due to the characteristics of high indoor humidity, low temperature and frequent cold and heat shocks when the refrigeration equipment is working, the technical performance requirements of the defrosting heater are particularly high. The main heating element of the existing heater in the market is an electric heating tube, while the ordinary electric Tubes are easily damaged and have a short lifespan under low temperatu...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H05B3/48
Inventor 李剑峰徐雪杨涛
Owner ANHUI HAOLAIXI TECH
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