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Defrost heater of electric refrigerator

A defrosting heater and heater technology, applied in defrosting, lighting and heating equipment, household appliances, etc., can solve the problems of sealing cover 8 deformation, heater tube 4 moisture infiltration, and poor insulation effects, etc., to achieve full absorption , the effect of preventing penetration

Inactive Publication Date: 2005-09-21
LG ELECTRONICS (TIANJIN) APPLIANCES CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] However, the prior art with the above-mentioned structure has the following disadvantages: since the inside of the above-mentioned heater tube 4 is sealed by the above-mentioned sealing cover 8, when the above-mentioned electric heating wire integrated electric wire 6 inside the above-mentioned heater tube 4 generates too much heat, The sealing type thermal shock that occurs inside the above-mentioned heater tube 4 will cause the above-mentioned sealing cover 8 to deform
If the above-mentioned sealing cover 8 is deformed, moisture will infiltrate into the inside of the above-mentioned heater tube 4, which will have an undesirable adverse effect on insulation.

Method used

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  • Defrost heater of electric refrigerator
  • Defrost heater of electric refrigerator
  • Defrost heater of electric refrigerator

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Embodiment Construction

[0019] image 3 A cross-sectional view showing the connection relationship between the heating wire integrated electric wire 10 and the heater tube 20 . As shown in the figure, the electric heating wire integrated electric wire 10 is inserted into the inside of the heater tube 20 , and the end of the heater tube 20 is provided with a sealing cover 12 .

[0020] Since the sealing cover 12 completely seals the outer portion of the integrated heating wire 10 and the inner surface of the heater tube 20 , it can effectively prevent moisture from penetrating into the heater tube 20 . In the present invention, the above-mentioned sealing cover 12 is not made of materials such as ABS resin in the prior art, but is made of silicon resin (silicone) material.

[0021] In the present invention, since the above-mentioned sealing cover 12 made of silicone resin material has good flexibility, even in the inside of the above-mentioned heater tube 20, the electric heating wire integrated elec...

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Abstract

A defrosting heater for refrigerator is composed of electrothermal wire integrated conductor, heater tube for containing said electrothermal wire, and sealing covers made of silica resin for both ends of said heater tube.

Description

technical field [0001] The invention relates to a defrosting heater for a refrigerator, in particular to a defrosting heater capable of preventing moisture from penetrating into the defrosting heater. Background technique [0002] The cold air in a refrigerator is generated by the air coming into contact with the surface of the evaporator. The air around the evaporator exchanges heat with the medium flowing inside the evaporator to generate cold air, which is then supplied to the refrigerator and freezer inside the refrigerator to keep the refrigerator as a whole at a low temperature. [0003] The air inside the above-mentioned refrigerator passes through continuous circulation, and forms cold air after exchanging heat with the evaporator. After the above-mentioned cold air exchanges heat with the food in storage inside the refrigerator, it becomes a gas with a relatively high temperature. The above-mentioned high-temperature gas contacts the above-mentioned evaporator and...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F25D21/08
Inventor 郑观识
Owner LG ELECTRONICS (TIANJIN) APPLIANCES CO LTD