CN216557884U - Heating device for defrosting of refrigerator evaporator - Google Patents
Heating device for defrosting of refrigerator evaporator Download PDFInfo
- Publication number
- CN216557884U CN216557884U CN202220479516.9U CN202220479516U CN216557884U CN 216557884 U CN216557884 U CN 216557884U CN 202220479516 U CN202220479516 U CN 202220479516U CN 216557884 U CN216557884 U CN 216557884U
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- Prior art keywords
- evaporator
- defrosting
- waterproof
- refrigerator
- layer
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 63
- 238000010257 thawing Methods 0.000 title claims abstract description 25
- 239000012528 membrane Substances 0.000 claims description 17
- 239000011248 coating agent Substances 0.000 claims description 4
- 238000000576 coating method Methods 0.000 claims description 4
- 238000001514 detection method Methods 0.000 claims description 4
- 238000003466 welding Methods 0.000 claims description 4
- 230000006978 adaptation Effects 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 239000011347 resin Substances 0.000 claims description 3
- 229920005989 resin Polymers 0.000 claims description 3
- 239000000758 substrate Substances 0.000 abstract description 10
- 239000010410 layer Substances 0.000 description 24
- 230000017525 heat dissipation Effects 0.000 description 12
- 230000000694 effects Effects 0.000 description 6
- 230000002035 prolonged effect Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000005253 cladding Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Defrosting Systems (AREA)
Abstract
The utility model discloses a heating device for defrosting of a refrigerator evaporator, which comprises a film heating plate arranged below the refrigerator evaporator, wherein the film heating plate comprises a substrate, the upper surface of the substrate is sequentially printed or coated with a first insulating layer, a conductive heating layer and a second insulating layer, the outer side wall of the substrate is provided with two electrode ear plates which protrude outwards and are mutually separated, a power supply contact connected with a circuit of the conductive heating layer is welded on the upper surface of the first insulating layer on the electrode ear plate, a waterproof power line is welded on the power supply contact, a waterproof layer is further printed or coated on the upper surface of the second insulating layer, and a radiating fin is arranged on the lower surface of the substrate. Higher defrosting efficiency and the like.
Description
Technical Field
The utility model relates to the technical field of refrigerator defrosting, in particular to a heating device for defrosting of a refrigerator evaporator.
Background
When the refrigerator operates, frost can be formed on the surface of the evaporator, the electric heater is usually adopted to heat the evaporator for defrosting, the influence of the frost on the refrigeration effect of the evaporator is reduced, the conventional defrosting heating device for the evaporator usually adopts the film heating body with higher heating efficiency to defrost, the film heating body is usually composed of an insulating protective layer and a conductive heating layer on a substrate, but the heat dissipation effect of a film heating plate power contact is poor, the power contact has too high temperature to lead to the melting and falling of a waterproof power line, the waterproof performance is poor, the safety performance is poor, the defrosting efficiency is low, the service life of the heating device is short, and the like.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is to overcome the existing defects, and provide a heating device for defrosting of a refrigerator evaporator, which has the advantages that the heat dissipation effect of a power supply contact of a film heating plate is good, the falling of a waterproof power line caused by the overhigh temperature of the power supply contact is prevented, the safety performance of the heating device is good, the service life of the film heating plate is prolonged, the waterproof performance is better, the defrosting efficiency is higher, and the problems in the background art can be effectively solved.
In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a heating device is used in defrosting of refrigerator evaporimeter, is including setting up in the membrane hot plate of refrigerator evaporimeter below, the membrane hot plate includes the base plate, and the upper surface of base plate prints in proper order or the coating has insulating layer one, conductive heating layer and insulating layer two, the lateral wall of base plate is equipped with two outside salient and the electrode otic placodes that separate each other, and lies in on this electrode otic placode that one upper surface of insulating layer welding has the power contact who is connected with conductive heating layer circuit, the welding has waterproof power cord on the power contact, the upper surface of insulating layer two still prints or the coating has the waterproof layer.
Further, the vertical setting in refrigerator evaporimeter below of membrane hot plate, and the length of membrane hot plate and refrigerator evaporimeter's length looks adaptation.
Furthermore, the lower surface of the base plate is provided with radiating fins.
Further, the waterproof layer is made of waterproof resin film materials.
Furthermore, all be equipped with waterproof cover on the electrode otic placode of base plate, and be located power contact and the waterproof power cord on the electrode otic placode and all be wrapped by waterproof cover.
Furthermore, a fixing and mounting hole for fixing and mounting the film heating plate is formed in the substrate.
Furthermore, a temperature detection device is arranged on the film heating plate.
Compared with the prior art, the utility model has the beneficial effects that: according to the heating device for defrosting of the refrigerator evaporator, the power supply contact is welded on the electrode lug plates which are separated from each other, so that the heat dissipation effect of the power supply contact is improved, the waterproof power line is prevented from falling off due to overhigh temperature of the power supply contact, the power supply contact can be prevented from being damaged due to long-time high-temperature work, and the service life of the film heating plate is prolonged; the waterproof performance of the membrane heating plate is further increased through the waterproof layer and the waterproof sleeve, the situation that frosting on the refrigerator evaporator is low and falls on the membrane heating plate to cause short circuit is prevented, the safety performance of the heating device is good, the heat dissipation efficiency of the membrane heating plate is increased through the heat dissipation fins, and the defrosting efficiency of the refrigerator evaporator is further increased.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a top plan view of the film heater plate circuit of the present invention;
FIG. 3 is an enlarged partial view of the membrane heater plate of the present invention;
FIG. 4 is a schematic diagram of the present invention.
In the figure: the refrigerator comprises a 1-film heating plate, a 101 substrate, a 102 first insulating layer, a 103 conductive heating layer, a 104 power contact, a 105 second insulating layer, a 106 waterproof layer, a 107 fixed mounting hole, a 2 waterproof power line, a 3 waterproof sleeve, a 4 radiating fin and a 5 refrigerator evaporator.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example one
Referring to fig. 1-4, the present invention provides a technical solution: a heating device for defrosting of a refrigerator evaporator comprises a film heating plate 1 arranged below a refrigerator evaporator 5, wherein the film heating plate 1 comprises a substrate 101, the upper surface of the substrate 101 is sequentially printed or coated with a first insulating layer 102, a conductive heating layer 103 and a second insulating layer 105, two electrode ear plates which protrude outwards and are separated from each other are arranged on the outer side wall of the substrate 101, a power contact 104 connected with a circuit of the conductive heating layer 103 is welded on the upper surface of the first insulating layer 102 on each electrode ear plate, a waterproof power line 2 is welded on each power contact 104, a waterproof layer 106 is further printed or coated on the upper surface of the second insulating layer 105, the film heating plate 1 is fixed below the refrigerator evaporator 5, and the refrigerator evaporator 5 is defrosted through heating of the film heating plate 1; the power supply contact 104 is welded on the electrode ear plates which are separated from each other, so that the heat dissipation effect of the power supply contact 104 is improved, the waterproof power line 2 is prevented from falling off due to overhigh temperature of the power supply contact 104, the power supply contact 104 can be prevented from being damaged due to long-time high-temperature work, and the service life of the membrane heating plate 1 is prolonged; the waterproof property of the film heating panel 1 is further increased by the waterproof layer 106, and the occurrence of short circuit due to the frost water on the refrigerator evaporator 5 falling to the film heating panel 1 is prevented.
Further, 1 vertical the setting in 5 below refrigerator evaporimeters of membrane hot plate, and the length looks adaptation of the length of membrane hot plate 1 and refrigerator evaporimeter 5, the vertical setting of membrane hot plate 1 not only does benefit to the drainage, makes the hot-air of intensification more concentrate upward flow moreover, increases refrigerator evaporimeter 5's defrosting efficiency.
Further, the lower surface of the base plate 101 is provided with the heat dissipation fins 4, and the heat dissipation efficiency of the film heating plate 1 is increased through the heat dissipation fins 4, so that the defrosting efficiency of the refrigerator evaporator 5 is further increased.
Further, the waterproof layer 106 is a waterproof resin film material.
Further, all be equipped with waterproof cover 3 on the electrode otic placode of base plate 101, and be located power contact 104 and the waterproof power cord 2 on the electrode otic placode and all by waterproof cover 3 cladding, carry out the cladding with power contact 104 and the waterproof power cord 2 on the electrode otic placode through waterproof cover 3, further improve the waterproof performance of membrane hot plate 1.
Further, the base plate 101 is provided with a fixing hole 107 for fixing and mounting the film heating plate 1.
Furthermore, a temperature detection device is arranged on the film heating plate.
When in use: the film heating plate 1 is vertically fixed below a refrigerator evaporator 5 in a refrigerator, the film heating plate 1 generates heat to defrost the refrigerator evaporator 5, and the heat dissipation fins 4 increase the heat dissipation efficiency of the film heating plate 1 and improve the defrosting efficiency of the refrigerator evaporator 5; the power supply contact 104 is welded on the electrode ear plates which are separated from each other, so that the heat dissipation effect of the power supply contact 104 is improved, and the waterproof power line 2 is prevented from falling off due to overhigh temperature of the power supply contact 104; the waterproof layer 106 and the waterproof jacket 3 increase the waterproof performance of the film heating plate 1, prevent the frosted water on the refrigerator evaporator 5 from falling on the film heating plate 1 to cause short circuit, and the temperature detection device detects the temperature of the film heating plate 1.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a heating device is used in refrigerator evaporator defrosting, is including setting up in the membrane hot plate of refrigerator evaporator below, its characterized in that: the membrane hot plate includes the base plate, and the upper surface of base plate prints in proper order or the coating has insulating layer one, conductive heating layer and insulating layer two, the lateral wall of base plate is equipped with two outside salient and the electrode otic placodes that separate each other, and lies in insulating layer one upper surface welding on this electrode otic placode and have the power contact who is connected with conductive heating layer circuit, the welding has waterproof power cord on the power contact, the upper surface of insulating layer two still prints or the coating has the waterproof layer.
2. The heating apparatus for defrosting an evaporator of a refrigerator according to claim 1, wherein: the vertical setting of membrane hot plate is in refrigerator evaporator below, and the length of membrane hot plate and refrigerator evaporator's length looks adaptation.
3. The heating apparatus for defrosting an evaporator of a refrigerator according to claim 1, wherein: and the lower surface of the base plate is provided with radiating fins.
4. The heating apparatus for defrosting an evaporator of a refrigerator according to claim 1, wherein: the waterproof layer is made of waterproof resin film materials.
5. The heating apparatus for defrosting an evaporator of a refrigerator according to claim 1, wherein: all be equipped with waterproof cover on the electrode otic placode of base plate, and be located power contact and the waterproof power cord on the electrode otic placode and all be covered by waterproof cover.
6. The heating apparatus for defrosting an evaporator of a refrigerator according to claim 1, wherein: the base plate is provided with a fixed mounting hole for fixing and mounting the film heating plate.
7. The heating apparatus for defrosting an evaporator of a refrigerator according to claim 1, wherein: and a temperature detection device is arranged on the film heating plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220479516.9U CN216557884U (en) | 2022-03-07 | 2022-03-07 | Heating device for defrosting of refrigerator evaporator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220479516.9U CN216557884U (en) | 2022-03-07 | 2022-03-07 | Heating device for defrosting of refrigerator evaporator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216557884U true CN216557884U (en) | 2022-05-17 |
Family
ID=81562565
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220479516.9U Active CN216557884U (en) | 2022-03-07 | 2022-03-07 | Heating device for defrosting of refrigerator evaporator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216557884U (en) |
-
2022
- 2022-03-07 CN CN202220479516.9U patent/CN216557884U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: No. 7 Xinru Street, Hongqi District, Xinxiang City, Henan Province, 453000, No. 18 Xindong Industrial Park, Liandong U Valley, Xinxiang, Henan Province Patentee after: XINXIANG JIEDA PRECISION ELECTRONICS CO.,LTD. Country or region after: China Address before: 453000 torch Park, 1789 High-tech Zone, Xinfei Avenue, Xinxiang, Henan Patentee before: XINXIANG JIEDA PRECISION ELECTRONICS CO.,LTD. Country or region before: China |