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A frost sensor utilizing an evaporating pipe as an electrode

A technology of evaporating tubes and sensors, which is applied in the field of sensors, can solve the problems of reducing sensor sensitivity, etc., and achieve the effects of improving defrosting effect, improving refrigeration efficiency, and improving detection accuracy

Active Publication Date: 2017-12-19
CHIPSEA TECH SHENZHEN CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

If the amount of frost on the sensor is small, the sensitivity of the sensor to frost detection will be reduced

Method used

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  • A frost sensor utilizing an evaporating pipe as an electrode
  • A frost sensor utilizing an evaporating pipe as an electrode
  • A frost sensor utilizing an evaporating pipe as an electrode

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Embodiment Construction

[0028] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0029] see figure 1 As shown, it is a common refrigerator finned evaporator 100 at present, in which the frame 102 is used for fixing; Large heat exchange area, so the fins 103 must have good thermal contact with the evaporation tube 101. Evaporation tubes are generally made of copper / aluminum tubes with a circular outer diameter, and the common size generally ranges from 6 to 9 mm; the fins are made of aluminum alloy sheets, which is conducive to heat dissipation. Usually the frosting of the evaporator starts from the evaporating tube and is mainly attached to the fins. The frosting efficiency o...

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Abstract

A frost sensor utilizing an evaporating pipe as an electrode is disclosed. The frost sensor includes a concave base, a detection electrode A, a detection electrode B, a filling member and a circuit board, wherein the concave base is provided with a circular-arc-shaped metal sheet utilized as a detection electrode G, the inside of the concave base is also provided with a clamping base used for clamping the sensor to the evaporating pipe of an evaporator, and the detection electrode G and the evaporating tube are electrically short-circuit. The original structure of an evaporator that is refrigeration equipment is fully utilized, the degree of complexity and the size of a frost detecting mechanism can be effectively reduced, the cost is reduced, and the detection accuracy is increased, thus improving defrosting effects of the refrigeration equipment, effectively increasing the refrigeration efficiency, improving stability and saving electric energy.

Description

technical field [0001] The invention belongs to the technical field of sensors, in particular to a frosting sensor used in refrigeration equipment. Background technique [0002] In the application of refrigeration equipment such as refrigerators, the surface temperature of the evaporator used for refrigeration and heat exchange is below zero; when there is water vapor in the air, it is easy to form frost and adhere to the evaporator. When frost forms on the evaporator, it will seriously affect the cooling efficiency, resulting in poor cooling effect of refrigeration equipment such as refrigerators and increased power consumption. [0003] In the existing technology, the refrigerator uses a heating device to periodically heat and defrost the evaporator, which significantly increases the power consumption of the refrigerator, and the effect is not good; for example, the timer may not start when defrosting is required The heater defrosts; when defrosting is not needed, heating...

Claims

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Application Information

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IPC IPC(8): G01N27/22F25B39/02F25D21/06
CPCF25B39/02F25D21/06G01N27/22
Inventor 李晓
Owner CHIPSEA TECH SHENZHEN CO LTD
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