CN110230907B - Condensation-preventing heat transfer structure for refrigerator and preparation method thereof - Google Patents
Condensation-preventing heat transfer structure for refrigerator and preparation method thereof Download PDFInfo
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- CN110230907B CN110230907B CN201910621200.1A CN201910621200A CN110230907B CN 110230907 B CN110230907 B CN 110230907B CN 201910621200 A CN201910621200 A CN 201910621200A CN 110230907 B CN110230907 B CN 110230907B
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- heat transfer
- condensation
- refrigerator
- shaft sleeve
- double
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- 238000002360 preparation method Methods 0.000 title claims abstract description 14
- 238000009833 condensation Methods 0.000 claims abstract description 35
- 229910052751 metal Inorganic materials 0.000 claims abstract description 11
- 239000002184 metal Substances 0.000 claims abstract description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 10
- 239000002994 raw material Substances 0.000 claims description 20
- 239000004709 Chlorinated polyethylene Substances 0.000 claims description 11
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims description 10
- 235000021355 Stearic acid Nutrition 0.000 claims description 10
- 239000011575 calcium Substances 0.000 claims description 10
- 229910052791 calcium Inorganic materials 0.000 claims description 10
- 239000002131 composite material Substances 0.000 claims description 10
- 238000002156 mixing Methods 0.000 claims description 10
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 claims description 10
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 claims description 10
- 239000012188 paraffin wax Substances 0.000 claims description 10
- 239000008117 stearic acid Substances 0.000 claims description 10
- 238000003756 stirring Methods 0.000 claims description 10
- 238000001816 cooling Methods 0.000 claims description 5
- 238000005303 weighing Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 claims 3
- 230000005494 condensation Effects 0.000 abstract description 12
- 230000002265 prevention Effects 0.000 abstract description 3
- 229920000915 polyvinyl chloride Polymers 0.000 description 8
- 239000004800 polyvinyl chloride Substances 0.000 description 8
- 238000005057 refrigeration Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000010100 anticoagulation Effects 0.000 description 2
- 239000007795 chemical reaction product Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000006097 ultraviolet radiation absorber Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L27/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers
- C08L27/02—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L27/04—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
- C08L27/06—Homopolymers or copolymers of vinyl chloride
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D11/00—Self-contained movable devices, e.g. domestic refrigerators
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D21/00—Defrosting; Preventing frosting; Removing condensed or defrost water
- F25D21/04—Preventing the formation of frost or condensate
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D23/00—General constructional features
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D23/00—General constructional features
- F25D23/10—Arrangements for mounting in particular locations, e.g. for built-in type, for corner type
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
Abstract
The invention discloses a condensation-preventing heat transfer structure of a refrigerator and a preparation method thereof, and relates to the technical field of condensation prevention of refrigerators. The invention relates to a condensation-preventing heat transfer structure of a refrigerator, which comprises supporting feet, a shaft sleeve and a heat transfer boss; the supporting feet are symmetrically arranged on one side surface of the shaft sleeve; the other side surface of the shaft sleeve is a flat and smooth heat transfer boss; the shaft sleeve is provided with a round groove for clamping the refrigerator anti-condensation pipe. According to the invention, the condensation-preventing heat transfer structure is designed on the condensation-preventing pipe of the refrigerator, so that heat of the condensation-preventing pipe can be effectively transferred to the metal vertical beam surface, and the problem of accumulated water condensation on the beam surface is avoided; the complaints and returns caused by the condensation problem of the refrigerator are reduced, and the product performance and the public praise are improved.
Description
Technical Field
The invention belongs to the technical field of refrigeration performance of refrigerators, and particularly relates to a condensation-preventing heat transfer structure for a refrigerator and a preparation method thereof.
Background
The refrigerator manufacturing industry is subjected to the influence of technology update, the experience of a high-end user is gradually improved, the quality of the refrigerator is improved, the high-end product is more required to show the superiority of the refrigeration performance, the condensation prevention performance of the refrigerator belongs to the key factors of the high-end refrigerator manufacturing, the experience effect of a user on the high-end product is directly determined, and the refrigerator is an important index for improving the brand, taste and quality of the high-end refrigerator.
In the anti-condensation performance of the refrigerator, the anti-condensation of the metal beam surface of the refrigerator body is particularly important. According to investigation, in the focus quality problem of market complaints, the beam surface condensation problem causes the customer complaints to repair and return goods to cause the economic loss of adults to be nearly millions yuan; the beam surface condensation problem is mostly caused by heat transfer failure of the refrigerator anti-condensation pipe, and the heat transfer effect of the anti-condensation pipe cannot be well transferred to the metal beam surface, so that the metal beam surface generates accumulated water condensation.
How to improve the condensation prevention problem is one of the problems to be solved in the field of refrigeration performance at present.
Disclosure of Invention
The invention aims to provide a condensation-preventing heat transfer structure for a refrigerator and a preparation method thereof, and solves the problem of condensation of water on the surface of a metal beam caused by heat transfer failure of an existing condensation-preventing pipe of the refrigerator by clamping a heat transfer structural member on the condensation-preventing pipe.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to a condensation-preventing heat transfer structural member for a refrigerator, which comprises supporting feet, a shaft sleeve and a heat transfer boss;
the supporting legs comprise left supporting legs and right supporting legs; the supporting feet are vertically arranged on one side face of the shaft sleeve; the other side surface of the shaft sleeve is a flat and smooth heat transfer boss.
The shaft sleeve is provided with a round groove for clamping the refrigerator anti-condensation pipe.
Further, the supporting legs, the shaft sleeve and the heat transfer boss are of an integrated structure.
Further, the end parts of the left supporting leg and the right supporting leg are provided with round corners.
Further, the end face of the heat transfer boss is flat and smooth, the thickness is 0.5mm-1mm, and the width of the heat transfer boss is 3.4mm-3.6 mm.
Further, the opening sizes of the root parts of the left supporting leg and the right supporting leg are 1.3mm-1.5mm;
the shaft hole of the shaft sleeve is 3.6mm-3.8mm in size, and the wall thickness of the shaft sleeve is 0.4mm-0.6 mm.
Further, the supporting legs are assembled with the lining support, the shaft sleeve is clamped and fixed with the anti-coagulation pipe, and the shaft sleeve is in interference fit with the anti-coagulation pipe by 0.2 mm.
Further, the supporting feet, the shaft sleeve and the heat transfer boss are all made of one or more of PVC S1000, nano calcium, CPE, stearic acid, composite paraffin and UV 531.
The invention also discloses a preparation method of the anti-condensation heat transfer structural member for the refrigerator, and the anti-condensation heat transfer structural member comprises the following raw materials in parts by weight: 1000100-140 parts of PVC, 15-60 parts of CPE, 0.05-0.5 part of nano calcium, 8-65 parts of stearic acid, 20-60 parts of composite paraffin and 5-40 parts of UV 531; the preparation method comprises the following preparation steps:
step 1, weighing PVCS1000, nano calcium, CPE, stearic acid, composite paraffin and UV531 according to the formula
Standby;
step 2, putting the raw materials in the step 1 into a mixing device, and mixing and stirring for 20-55 minutes at the temperature of 55-95 ℃ and the stirring speed of 460-490 r/min to obtain uniformly mixed raw materials;
and 3, putting the raw materials mixed uniformly in the step 2 into a double-screw extruder, and extruding by the double-screw extruder to obtain the anti-condensation heat transfer element.
Further; the temperature of a machine barrel of the double-screw extruder is 145-195 ℃, the temperature of a machine head of the double-screw extruder is 195-215 ℃, the rotating speed of the double-screw extruder is 50-120r/min, the L/D of the double-screw extruder is 17-24, and the temperature of a cooling tank water of the double-screw extruder is 25-45 ℃.
The invention has the following beneficial effects:
1. according to the invention, by designing the anti-condensation heat transfer structural member, the heat of the anti-condensation pipe can be effectively transferred to the metal beam surface, so that the problem of beam area condensation is solved; the complaints and returns caused by condensation water are reduced, and the quality performance and the public praise of the product are improved.
2. The invention has simple preparation process and lower cost, and is convenient for mass production.
In addition, it is not necessary for any of the products embodying the invention to achieve all of the advantages set forth above at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed for the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of a construction of an anti-condensation heat transfer structure;
FIG. 2 is a cross-sectional view of the anti-condensation heat transfer structure;
FIG. 3 is a schematic view of a refrigerator having an anti-condensation heat transfer structure installed therein;
FIG. 4 is an enlarged view of a portion of FIG. 3 at A;
in the drawings, the list of components represented by the various numbers is as follows:
1-supporting leg, 2-shaft sleeve, 101-left supporting leg, 102-right supporting leg, 201-shaft sleeve shaft hole, 202-shaft sleeve wall, 3-heat transfer boss, 4-refrigerator anti-condensation pipe, 5-refrigerator metal beam and 6-refrigerator lining.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which some, but not all embodiments of the invention are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be understood that the terms "a side," "an end," "the same side," "an interior," and the like indicate an orientation or a positional relationship, and are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the components or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Referring to fig. 1-4, the invention discloses a condensation-preventing heat transfer structure of a refrigerator, which comprises supporting feet 1, a shaft sleeve 2 and a heat transfer boss 3; the support foot 1 comprises a left support foot 101 and a right support foot 102; the supporting feet are vertically arranged on one side surface of the shaft sleeve 2; the other side surface of the shaft sleeve 2 is a flat and smooth heat transfer boss 3.
In specific implementation, the supporting feet 1 are contacted with the refrigerator lining 6, meanwhile, the refrigerator anti-condensation pipe 4 is clamped by the shaft sleeve 2, and the outer side surface of the heat transfer boss 3 is contacted with the refrigerator metal beam. When the refrigerator works, heat is transferred onto the refrigerator metal beam from the refrigerator anti-condensation pipe 4 through the shaft sleeve 2 and the heat transfer boss 3, condensation water generated by the refrigerator metal beam is evaporated, and the problem of refrigeration performance of the refrigerator is avoided. The supporting leg 1, the shaft sleeve 2 and the heat transfer boss 3 are all made of one or more of PVC S1000, nano calcium, CPE, stearic acid, composite paraffin and UV531, and the Shore hardness is 30-100HS (A).
Wherein, the ends of the left supporting leg 101 and the right supporting leg 102 are provided with rounded corners. The rounded corners are arranged to have a protective effect, and meanwhile, the supporting feet 1 are also convenient to contact with the supporting points of the refrigerator lining 6. The rounded corners may be set as needed in the specific implementation, for example, R0.1, R0.2, etc.
Wherein, supporting legs 1, axle sleeve 2, heat transfer boss 3 are integrated into a whole structure.
Wherein, the length of the supporting legs 101, 102 can be 1.4mm, 1.5mm and 1.6mm; the shaft hole 201 of the shaft sleeve can be 3.6mm, 3.7mm or 3.8mm, the wall thickness 202 of the shaft sleeve can be 0.4mm, 0.5mm or 0.6mm, the width of the heat transfer boss 3 can be 3.4mm, 3.5mm or 3.6mm, and the thickness of the heat transfer boss 3 can be 0.5mm, 0.6mm, 0.7mm, 0.8mm, 0.9mm or 1.0mm;
in specific implementation, the specific size of the condensation-preventing heat transfer structural member is selected according to the sizes of the refrigerator condensation-preventing pipe 4 and the refrigerator lining.
Example 1: the invention provides a preparation method of an anti-condensation heat transfer structural member, which comprises the following steps:
step 1, weighing PVC S1000100 parts, CPE 15 parts, nano calcium 0.05 part, stearic acid 8 parts, composite paraffin 20 parts and UV5315 parts for later use:
step 2, putting the raw materials in the step 1 into a mixing device, and mixing and stirring for 20 minutes at the temperature of 50 ℃ and the stirring speed of 460r/min to obtain uniformly mixed raw materials;
and 3, putting the raw materials mixed uniformly in the step 2 into a double-screw extruder, and extruding the raw materials by the double-screw extruder to obtain the anti-condensation heat transfer structural member.
Wherein; the barrel temperature of the double-screw extruder is 145 ℃, the head temperature of the double-screw extruder is 200 ℃, the rotating speed of the double-screw extruder is 50r/min, the L/D of the double-screw extruder is 17, and the water temperature of a cooling tank of the double-screw extruder is 25 ℃.
Example 2: the invention provides a preparation method of an anti-condensation heat transfer structural member, which comprises the following steps:
step 1, 120 parts of PVC S, 40 parts of CPE, 0.2 part of nano calcium, 30 parts of stearic acid, 30 parts of composite paraffin and 20 parts of UV531 for standby;
step 2, putting the raw materials in the step 1 into a mixing device, and mixing and stirring for 35 minutes at the temperature of 65 ℃ and the stirring speed of 470r/min to obtain uniformly mixed raw materials;
and 3, putting the raw materials mixed uniformly in the step 2 into a double-screw extruder, and extruding the raw materials by the double-screw extruder to obtain the anti-condensation heat transfer structural member.
Wherein; the barrel temperature of the double-screw extruder is 175 ℃, the head temperature of the double-screw extruder is 210 ℃, the rotating speed of the double-screw extruder is 90r/min, the L/D of the double-screw extruder is 20, and the water temperature of a cooling tank of the double-screw extruder is 25 ℃.
Example 3: the invention provides a preparation method of an anti-condensation heat transfer structural member, which comprises the following steps:
step 1, PVC S1000 parts, CPE 60 parts, nano calcium 0.5 parts, stearic acid 65 parts, composite paraffin 60 parts and UV531 40 parts for standby;
step 2, putting the raw materials in the step 1 into a mixing device, and mixing and stirring for 55 minutes at the temperature of 95 ℃ and the stirring speed of 490r/min to obtain uniformly mixed raw materials;
and 3, putting the raw materials mixed uniformly in the step 2 into a double-screw extruder, and extruding by the double-screw extruder to obtain the protective piece 1.
Wherein; the barrel temperature of the double-screw extruder is 195 ℃, the head temperature of the double-screw extruder is 215 ℃, the rotating speed of the double-screw extruder is 120r/min, the L/D of the double-screw extruder is 24, and the water temperature of a cooling tank of the double-screw extruder is 45 ℃.
The PVC mentioned in the invention is the English abbreviation of polyvinyl chloride, the CPE is the English abbreviation of chlorinated polyethylene, the UV531 is the English abbreviation of ultraviolet absorber, and the L/D refers to the optimal screw angle of the screw of the double screw extruder.
In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended only to assist in the explanation of the invention. The preferred embodiments are not exhaustive or to limit the invention to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best understand and utilize the invention. The invention is limited only by the claims and the full scope and equivalents thereof.
Claims (7)
1. The condensation-preventing heat transfer structure of the refrigerator is characterized by comprising supporting feet (1), a shaft sleeve (2) and a heat transfer boss (3);
the supporting leg (1) comprises a left supporting leg (101) and a right supporting leg (102) which are symmetrical; the supporting feet (1) are vertically arranged on one side face of the shaft sleeve (2); the root opening sizes of the left supporting leg (101) and the right supporting leg (102) are 1.3mm-1.5mm;
the other side surface of the shaft sleeve (2) is a flat and smooth heat transfer boss (3); the shaft sleeve (2) is provided with a shaft hole (201) for clamping the refrigerator anti-condensation pipe (4); the shaft hole of the shaft sleeve (2) is 3.6mm-3.8mm in size, and the wall thickness of the shaft sleeve (2) is 0.4mm-0.6 mm;
the end face of the heat transfer boss (3) is flat and smooth, the thickness is 0.5mm-1mm, and the width of the heat transfer boss (3) is 3.4mm-3.6 mm.
2. The refrigerator condensation-proof heat transfer structure according to claim 1, wherein the supporting leg (1), the shaft sleeve (2) and the heat transfer boss (3) are integrated.
3. The condensation-preventing heat transfer structure of a refrigerator according to claim 1, wherein the ends of the left supporting leg (101) and the right supporting leg (102) are provided with rounded corners.
4. The refrigerator condensation-preventing heat transfer structure according to claim 1, wherein the supporting legs (1) are in supporting assembly with the refrigerator lining (6), the shaft sleeve (2) is clamped and fixed with the refrigerator condensation-preventing pipe (4), the shaft sleeve (2) is in interference fit with the refrigerator condensation-preventing pipe (4) by 0.2mm, and the outer surface of the heat transfer boss (3) is in contact application with the refrigerator metal beam (5).
5. The refrigerator condensation-proof heat transfer structure according to claim 1, wherein the supporting leg (1), the shaft sleeve (2) and the heat transfer boss (3) are made of one or more of PVC S1000, nano calcium, CPE, stearic acid, composite paraffin, and UV 531.
6. The method for preparing the refrigerator condensation-proof heat transfer structure according to claim 1, wherein the refrigerator condensation-proof heat transfer structure comprises the following raw materials in parts by weight: 1000100-140 parts of PVC S, 15-60 parts of CPE, 0.05-0.5 part of nano calcium, 8-65 parts of stearic acid, 20-60 parts of composite paraffin and 5315-40 parts of UV; the preparation method comprises the following preparation steps:
step 1, weighing PVC S1000, nano calcium, CPE, stearic acid, composite paraffin and UV531 according to a formula for standby;
step 2, putting the raw materials in the step 1 into a mixing device, and mixing and stirring for 20-55 minutes at the temperature of 55-95 ℃ and the stirring speed of 460-490 r/min to obtain uniformly mixed raw materials;
and 3, putting the raw materials mixed uniformly in the step 2 into a double-screw extruder, and extruding the raw materials by the double-screw extruder to obtain the condensation-preventing heat transfer structure of the refrigerator.
7. The method for preparing the condensation-preventing and heat-transferring structure of the refrigerator according to claim 6, wherein the method comprises the following steps of; the temperature of a machine barrel of the double-screw extruder is 145-195 ℃, the temperature of a machine head of the double-screw extruder is 195-215 ℃, the rotating speed of the double-screw extruder is 50-120r/min, the L/D of the double-screw extruder is 17-24, and the temperature of a cooling tank water of the double-screw extruder is 25-45 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910621200.1A CN110230907B (en) | 2019-07-10 | 2019-07-10 | Condensation-preventing heat transfer structure for refrigerator and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910621200.1A CN110230907B (en) | 2019-07-10 | 2019-07-10 | Condensation-preventing heat transfer structure for refrigerator and preparation method thereof |
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| CN110230907A CN110230907A (en) | 2019-09-13 |
| CN110230907B true CN110230907B (en) | 2024-01-30 |
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| CN201910621200.1A Active CN110230907B (en) | 2019-07-10 | 2019-07-10 | Condensation-preventing heat transfer structure for refrigerator and preparation method thereof |
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| CN110657630A (en) * | 2019-10-25 | 2020-01-07 | 长虹美菱股份有限公司 | Anti-condensation pipe for refrigerator |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103047814A (en) * | 2012-12-29 | 2013-04-17 | 合肥华凌股份有限公司 | Refrigerator and liner |
| WO2016019601A1 (en) * | 2014-08-08 | 2016-02-11 | 海信容声(广东)冰箱有限公司 | Refrigerator |
| CN205138040U (en) * | 2015-10-28 | 2016-04-06 | 苏州三星电子有限公司 | Condensation structure, refrigerator are prevented to refrigerator |
| CN205279576U (en) * | 2015-11-02 | 2016-06-01 | 合肥晶弘三菱电机家电技术开发有限公司 | Prevent that condensation pipe fixed knot constructs and refrigerator |
-
2019
- 2019-07-10 CN CN201910621200.1A patent/CN110230907B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103047814A (en) * | 2012-12-29 | 2013-04-17 | 合肥华凌股份有限公司 | Refrigerator and liner |
| WO2016019601A1 (en) * | 2014-08-08 | 2016-02-11 | 海信容声(广东)冰箱有限公司 | Refrigerator |
| CN205138040U (en) * | 2015-10-28 | 2016-04-06 | 苏州三星电子有限公司 | Condensation structure, refrigerator are prevented to refrigerator |
| CN205279576U (en) * | 2015-11-02 | 2016-06-01 | 合肥晶弘三菱电机家电技术开发有限公司 | Prevent that condensation pipe fixed knot constructs and refrigerator |
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| CN110230907A (en) | 2019-09-13 |
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