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Defrosting apparatus and cooling equipment

A technology of cooling equipment and refrigerant, which is applied in defrosting, household refrigeration equipment, lighting and heating equipment, etc. It can solve the problems that it is difficult to provide explosion-proof technology, and achieve the effect of suppressing fire outbreaks

Active Publication Date: 2008-04-16
PANASONIC CORP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, only from the disclosure of Patent Document 1, it is difficult to say that sufficient explosion-proof technology is provided.

Method used

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  • Defrosting apparatus and cooling equipment
  • Defrosting apparatus and cooling equipment
  • Defrosting apparatus and cooling equipment

Examples

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Embodiment Construction

[0050] Hereinafter, as an embodiment of the defrosting device of the present invention, a glass tube heater for defrosting with an explosion-proof function will be described using the drawings. FIG. 1 is a longitudinal side view of a glass tube heater for defrosting, and FIG. 2 is a cross-sectional view of the glass tube heater.

[0051] As shown in FIG. 1 , the glass tube heater 31 for defrosting with an explosion-proof function in this embodiment includes a glass tube 32 , a deodorizing catalyst 33 , a cover 34 made of silicon rubber installed at both ends of the glass tube 32 , and a glass tube 32 . The heating wire 38 connected to the wiring 35 at both ends of the cover 34 and the metal mesh 36 separated from the surface of the glass tube 32 by a gap C to surround the entire surface of the glass tube 32 .

[0052] The heating wire 38 is a heating element for heat generation, and the heating wire 38 is heated by the current flowing from the power source through the wiring 3...

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PUM

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Abstract

The present invention provides a defrosting device and a cooling equipment. The security can be more reliable when the defrosting device is assembled on the cooling equipment using combustible refrigerant. The device is composed by surrounding the glass tube heater 37 composed of a heating wire 38 for heating and a glass tube 32 for containing the heating wire with the using the metal mesh 36 with mesh opening below 0.813 and grit number less than 30 mu.

Description

technical field [0001] The present invention relates to a defrosting device for cooling equipment and cooling equipment using the defrosting device. Background technique [0002] Recently, HCFC (hydrochlorofluorocarbon)-based refrigerants, represented by R22, which are used in cooling devices instead of Freon, cause damage to the ozone layer of the atmosphere. In addition, HFC (hydrofluorocarbon) refrigerants have begun to be used as substitute refrigerants for the HCFC refrigerants, but the HFC refrigerants have a property of exacerbating the greenhouse effect. Therefore, HC (hydrocarbon)-based refrigerants that do not cause damage to the ozone layer or exert an influence on the greenhouse effect are beginning to be used. However, since this HC-based refrigerant is a flammable refrigerant, a technique for preventing explosion or ignition and ensuring safety is required. [0003] For example, Patent Document 1 discloses an explosion-proof device for refrigeration equipment...

Claims

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Application Information

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IPC IPC(8): F25D21/08
Inventor 三宅博
Owner PANASONIC CORP