CN101936626A - Fin type evaporator and refrigerator thereof - Google Patents
Fin type evaporator and refrigerator thereof Download PDFInfo
- Publication number
- CN101936626A CN101936626A CN 201010147086 CN201010147086A CN101936626A CN 101936626 A CN101936626 A CN 101936626A CN 201010147086 CN201010147086 CN 201010147086 CN 201010147086 A CN201010147086 A CN 201010147086A CN 101936626 A CN101936626 A CN 101936626A
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- fin
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- producing medium
- coil pipe
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Abstract
The invention relates to a fin type evaporator which comprises a fixed plate, single column or multiple columns of refrigerant coil pipes mounted on the fixed plate and a plurality of fins sheathed on the refrigerant coil pipes, wherein a groove is formed on each fin, a heater pipe clamp for defrosting is mounted in each groove, and each fin is provided with a hem for stably clamping a heater pipe along the edge of the groove. The invention further relates to a refrigerator using the evaporator. The fins of the evaporator are provided with the hems for clamping the heater pipes along the edges of the grooves, and the arrangement of the hems change the traditional line contact to the surface contact, thereby reducing the heat transfer resistance between the heater pipes and the fins, shortening the defrosting time, saving the defrosting energy consumption of the evaporator and mounting the heater pipes on the evaporator more firmly.
Description
Technical field
The present invention relates to refrigeration system, be specifically related to heat exchange performance is good in a kind of refrigeration system, the defrost performance is more excellent finned evaporator and refrigerator thereof.
Background technology
Refrigerator refrigeration system generally comprises compressor, evaporimeter, expansion capillary, condenser and the mobile cold-producing medium of gas-liquid conversion in piping.Wherein, evaporimeter is the important component part of carrying out heat exchange.A large amount of drawing expansion type evaporimeters of laying fin that adopt in the wind cooling refrigerator generally are made up of single-row or multiple row evaporator coil, some fins, fixed head and heater at present.The fin that is used to dispel the heat and enlarges heat exchange area is arranged in the coil pipe outer wall, and the position, fin both sides of evaporimeter has mounting groove, and defrosting heater is fixed in the mounting groove usually.
During the refrigerator refrigeration, fan makes cold wind forced convertion circulation in the refrigerator and refrigeration, frozen food indirectly, the food moisture evaporated is delivered to evaporimeter by the cold wind band of convection circulation in the refrigerator, and the cold wind of band moisture usually freezes to form the frost layer in the fin and the pipeline surface of evaporimeter when the evaporimeter heat exchange under low temperature condition.The existence of frost layer will have influence on the refrigeration performance of refrigerator, even the circulation that can block air, cause fault to take place.
For guaranteeing the normal operation of wind cooling refrigerator, the surface of evaporimeter needs regularly to be defrosted by heater.The general heater that adopts of defrosting melts frost by heating up.
Existing defroster please refer to No. 02130559.5 patent application of Chinese patent application, and it has disclosed a kind of refrigerator with evaporimeter, and this refrigerator comprises refrigerant pipe; And be arranged on the Defrost heater that is used under the evaporimeter evaporator defrost, wherein refrigerant pipe comprises the main refrigerant pipe and the heat transfer refrigerant pipe of vaporized refrigerant.Described heat transfer refrigerant pipe extends from described refrigerant pipe bottom so that heat-shift, and contiguous described Defrost heater.But there are problems such as length, functional reliability difference of complex structure, defrosting cycle in the Defrost mode of this kind from the heat conduction of heat transfer refrigerant pipe to the main refrigerant pipe.
Another kind of defroster ties up to evaporimeter reciprocal winding heater piping on every side, and this kind Defrost mode thaws for the fin direct heat transfer to evaporimeter in fact so defrosts fast.During defrosting, the heat of heater defrosting mainly relies on heat exchange pattern to carry out, and the heat transferred fin is defrosted with heating.Therefore, heater is very big to the influence of defrost performance with the thermal resistance between fin, if the heat of heater can not finely be delivered on the fin, high thermal resistance also is unfavorable for energy efficient not only bad for defrosting.
For heater is installed, need to offer the installing hole that heater is installed on the fin.Traditional fin is in the slab construction, the import of mounting groove highly is consistent with end, equal or be slightly less than the diameter of heater conduit so that heater conduit is tightened, make mounting groove be linear contact with the part of heater contact, make that the heat transmission resistance between heater and the fin is big, thermal resistance causes defrost periods long greatly, and energy consumption is big.Simultaneously, because the fin mounting groove is linear contact with the part of heater contact, support stable inadequately, refrigerator transportation jolt or the work of expanding with heat and contract with cold for a long time after, because of fixing possibility loosening or that come off is arranged firmly inadequately with the linear heater that contacts of fin, the loosening of heater can the bad problem of initiation defrost.
And existing evaporator fin is for simplified manufacturing technique, and the fin periphery adopts right angle or oblique angle setting more, and some fins of projection scratch operating personnel easily when evaporimeter assembling or maintenance.
And, it is very shallow that existing heater embeds the degree of depth of some fins, make the heater outer wall less with the gap of fin edges, the heat of heater passes to other adjacent component in the refrigerator easily, causes other adjacent component high temperature deformation or quickens the aging of these parts.
Summary of the invention
The purpose of this invention is to provide a kind of finned evaporator that heat exchange performance is good, the defrost performance is more excellent and refrigerator thereof that is used for refrigeration system.
The technical scheme that realizes described purpose is: a kind of finned evaporator, comprise fixed head, be installed in single-row or multiple row cold-producing medium coil pipe on the fixed head, be set in the some fins on the cold-producing medium coil pipe, offer groove on each fin, the heater tube of defrosting is installed in this groove, and each fin is provided with the flanging that clamps heater tube along recess edge.
In order to increase the heat exchanger effectiveness of cold-producing medium coil pipe, each fin has the installing hole that is used to wear the cold-producing medium coil pipe, and fin edge around installing hole extends the circular flanging that is used to support the cold-producing medium coil pipe to the example that flanging is set.
For the ease of the heater piping is installed, the groove of each fin is communicated with the guiding breach that heater tube is installed in a guiding.
For the heat that makes heater is concentrated and guaranteed that heat radiation does not impact adjacent devices, this heater tube is packed into behind the groove, forms heat insulation gap with fin edges.
In preferred embodiment, this heat insulation gap is 1～2 millimeter.
For in the evaporimeter process is installed, do not scratch operating personnel, the peripheral corner of each fin is processed as and prevents the fillet of swiping.
The invention still further relates to a kind of refrigerator refrigeration system, comprise compressor, evaporimeter, expansion capillary, condenser and the cold-producing medium that the gas-liquid conversion is flowed in piping, this evaporimeter comprises single-row or multiple row cold-producing medium coil pipe and is set in some fins on the cold-producing medium coil pipe, offer groove on each fin, the heater tube of defrosting is installed in this groove.Each fin is provided with the flanging that clamps heater tube along recess edge.
The invention further relates to a kind of refrigerator, comprise refrigerating chamber, refrigerating chamber and refrigerator refrigeration system, this refrigerator refrigeration system comprises compressor, evaporimeter, expansion capillary, condenser and the cold-producing medium that the gas-liquid conversion is flowed in piping, this evaporimeter comprises single-row or multiple row cold-producing medium coil pipe and is set in some fins on the cold-producing medium coil pipe, offer groove on each fin, the heater tube of defrosting is installed in this groove, and each fin is provided with the flanging that clamps heater tube along recess edge.
The present invention's beneficial effect compared with prior art is:
Finned evaporator of the present invention, be arranged with some fins of offering groove on the cold-producing medium coil pipe, the heater tube of defrosting is installed in this groove, each fin is provided with the flanging that clamps heater tube along recess edge, the present invention is by being provided with flanging, the contact of relocating is the face contact, reduced heater tube with the heat transfer resistance between the fin, adopt the mode that increases contact area, shortened the defrost time, save the defrost energy consumption of evaporimeter, made more firm being installed on the evaporimeter of heater tube.
Further, by the technical scheme of each specific embodiment, bring following beneficial effect:
Finned evaporator of the present invention, the installing hole periphery that is used to wear the cold-producing medium coil pipe on the fin also is provided with the circular flanging that supports the cold-producing medium coil pipe, this circular flanging has increased the cold-producing medium coil pipe with the contact area between fin, has reduced thermal resistance, has improved the efficient of coil pipe heat exchange.
Finned evaporator of the present invention, the groove of fin all are communicated with the guiding breach that heater tube is installed in a guiding, and with the convenient heater piping of installing, the flanging of groove can be avoided the phenomenon that heater is loosening or come off simultaneously.
Finned evaporator of the present invention, after heater tube is packed groove into, form 1～2 millimeter heat insulation gap with fin edges, thereby make the heat of heater concentrate on defrost and the heat radiation that guarantees heater does not cause thermal deformation to adjacent devices or influences service life of device.
Finned evaporator of the present invention, the peripheral corner of fin are processed as the operating personnel's that prevent to swipe fillet.
Description of drawings
Below by embodiment also in conjunction with the accompanying drawings, the present invention is described in further detail:
Fig. 1 is the three-dimensional figure of present embodiment finned evaporator;
Fig. 2 is the main TV structure figure of present embodiment finned evaporator;
Fig. 3 is the left TV structure figure of present embodiment finned evaporator;
Fig. 4 is the plan structure figure of present embodiment finned evaporator;
Fig. 5 is the enlarged drawing at A shown in Figure 3 place;
Fig. 6 is the fin master TV structure figure of present embodiment finned evaporator;
Fig. 7 is the fin plan structure figure of present embodiment finned evaporator;
Fig. 8 is the fin side-looking structure chart of present embodiment finned evaporator.
The specific embodiment
Present embodiment relates to a kind of refrigerator with New Evaporator, and this refrigerator comprises refrigerating chamber, refrigerating chamber and refrigerator refrigeration system.The cold-producing medium that this refrigerator refrigeration system comprises the compressor that produces circulation power, the evaporimeter that is used for heat exchange, expands and use capillary, condenser and flow in the conversion of piping gas-liquid.The evaporimeter operated by rotary motion by the variations in temperature of sensor sensing refrigerating chamber, when temperature is lower than setting value, starts the refrigeration system cooling at the refrigerator back.Please refer to Fig. 1, the evaporimeter that is used for heat exchange is the refrigeration critical piece, comprises single-row or multiple row cold-producing medium coil pipe 10 and is set in some fins 30 on the cold-producing medium coil pipe 10.Offer the groove of the heater tube that is used to install defrosting on each fin 30.In the present embodiment, improved the structure of fin, transformation of the way refrigerant tube contacts with the line of fin and is the face contact, changing heater tube contacts with the line of fin and is the face contact, reduce heater tube with the heat transfer resistance between the fin, adopted the mode that increases contact area, shortened the defrost time, save the defrost energy consumption of evaporimeter, made more firm being installed on the evaporimeter of heater tube.
Please also refer to Fig. 2 to Fig. 4, be depicted as finned evaporator, two fixed heads 11,12 about comprising, reciprocating disk is around the cold-producing medium coil pipe 10 between two fixed heads, the heater tube that is used to defrost 20 that is set in the some fins 30 on the cold-producing medium coil pipe 10 and is arranged on the fin periphery.Two fixed heads 11,12 are provided with is convenient to the fixedly fixedly card 14 of evaporimeter.
The concrete structure of fin please further with reference to figure 5 to Fig. 8, be set in the outer some fins 30 structure unanimities of refrigerant pipe 10.In this example, the fin 30 on the evaporimeter is made by the aluminium sheet of 0.15-0.20 millimeter thickness.
The installing hole 31 that is used for accommodating refrigerant pipe 10 that each fin 30 comprises body and is opened in body center, offer a groove 33 respectively in the both sides of fin 30, for the ease of heater tube 20 is snapped in groove 33, the outer end bore of each groove 33 is guided breach 36 greater than the inside bore that cooperates heater tube 20 thereby form one in the exit of groove 33.Can be when the heater tube 20 of defrosting is installed earlier by guiding breach 36 Primary Location, in the groove 33 of firmly heater tube being packed into again.
In this example, for more firm installation heater tube, simultaneously also in order fully to reduce the thermal resistance between heater tube 20 and the fin 30, change traditional line contact and be the face contact, each fin 30 all is used for clamping the flanging 34 of heater tube in the setting of groove inward flange, the effect of this flanging 34 not only is to reduce heater tube 20 and shortens the defrost time with the heat transfer resistance between the fin 30, has also reached the purpose of saving energy consumption simultaneously.Same, in order fully to improve the heat exchanger effectiveness of refrigerant pipe 10, the heat exchange of refrigerant pipe 10 is extended on the fin 30, in this example, changing traditional line contact is the face contact, and each fin 30 all extends the annular hem 36 that setting is used for supporting refrigerant pipe 10 at installing hole 31 peripheries.
In this example, the heater tube 20 that is installed on the evaporimeter is embedded in the groove 33 of some fins 30 more deeply, thereby forms certain heat insulation gap D1 between heater tube 20 and fin 30 edges.The effect of this heat insulation gap D1 is to guarantee that heat that heater tube 20 is produced is concentrated to be used for defrosting and to thaw, and avoids the device heat radiation distortion contiguous to evaporimeter, and guarantees that the heat radiation of heater tube 20 does not impact adjacent devices.
In preferred embodiment, this heat insulation gap D1 is 1～2 millimeter.
Simultaneously, in the evaporimeter process is installed, avoid fin 30 to scratch operating personnel, in this example, the peripheral corner of each fin 30 all is processed as and prevents the fillet 39 of swiping, and forms evaporimeter by the fin 30 of these fillet 39 structures, in whole Transporting or installation process, safety and reliability.
Above content be in conjunction with concrete preferred implementation to further describing that the present invention did, can not assert that concrete enforcement of the present invention is confined to these explanations.For the general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, can also make some simple deduction or replace, all should be considered as belonging to protection scope of the present invention.
Claims (10)
1. finned evaporator, comprise single-row or multiple row cold-producing medium coil pipe, be set in the some fins on the cold-producing medium coil pipe, offer groove on each fin, the heater tube of defrosting is installed in the described groove, it is characterized in that: each fin is provided with the flanging of the steady heater tube of folder along recess edge.
2. finned evaporator according to claim 1 is characterized in that: each fin has the installing hole that is used to wear the cold-producing medium coil pipe, and fin extends the circular flanging that is used to support the cold-producing medium coil pipe at the periphery of installing hole to the side that flanging is set.
3. finned evaporator according to claim 2 is characterized in that: the groove of each fin is communicated with a guiding breach that is used for the guide heaters pipe when installing.
4. finned evaporator according to claim 3 is characterized in that: described heater tube is packed into behind the groove, forms heat insulation gap with fin edges.
5. finned evaporator according to claim 4 is characterized in that: described heat insulation gap is 1～2 millimeter.
6. according to any described finned evaporator of claim 1-5, it is characterized in that: the peripheral corner of each fin is processed as and prevents the fillet of swiping.
7. refrigerator refrigeration system, comprise compressor, evaporimeter, expansion capillary, condenser and the cold-producing medium that the gas-liquid conversion is flowed in piping, described evaporimeter comprises single-row or multiple row cold-producing medium coil pipe and is set in some fins on the cold-producing medium coil pipe, offer groove on each fin, the heater tube of defrosting is installed in the described groove, it is characterized in that: each fin is provided with the flanging of the steady heater tube of folder along recess edge.
8. finned evaporator according to claim 7 is characterized in that: each fin has the installing hole that is used to wear the cold-producing medium coil pipe, and fin extends the circular flanging that is used to support the cold-producing medium coil pipe at the periphery of installing hole to the side that flanging is set.
9. refrigerator, comprise refrigerator refrigeration system, described refrigerator refrigeration system comprises compressor, evaporimeter, expansion capillary, condenser and the cold-producing medium that the gas-liquid conversion is flowed in piping, described evaporimeter comprises single-row or multiple row cold-producing medium coil pipe and is set in some fins on the cold-producing medium coil pipe, offer groove on each fin, the heater tube of defrosting is installed in the described groove, it is characterized in that: each fin is provided with the flanging of the steady heater tube of folder along recess edge.
10. finned evaporator according to claim 9 is characterized in that: each fin has the installing hole that is used to wear the cold-producing medium coil pipe, and fin extends the circular flanging that is used to support the cold-producing medium coil pipe at the periphery of installing hole to the side that flanging is set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010147086 CN101936626A (en) | 2010-04-08 | 2010-04-08 | Fin type evaporator and refrigerator thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010147086 CN101936626A (en) | 2010-04-08 | 2010-04-08 | Fin type evaporator and refrigerator thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101936626A true CN101936626A (en) | 2011-01-05 |
Family
ID=43390086
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010147086 Pending CN101936626A (en) | 2010-04-08 | 2010-04-08 | Fin type evaporator and refrigerator thereof |
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| Country | Link |
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| CN (1) | CN101936626A (en) |
Cited By (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102706073A (en) * | 2012-06-20 | 2012-10-03 | 海信容声(广东)冰箱有限公司 | Defrosting heating device for evaporator of refrigerator and control method |
| CN103662417A (en) * | 2013-11-30 | 2014-03-26 | 南通四方冷链装备股份有限公司 | Cold chain heat-insulation box with heat exchanging plates |
| CN104833088A (en) * | 2015-05-18 | 2015-08-12 | 都匀市嘉予新能源科技发展有限公司 | Outer machine of air source water heater |
| JP2015148403A (en) * | 2014-02-07 | 2015-08-20 | 株式会社東芝 | refrigerator |
| CN107192174A (en) * | 2017-06-06 | 2017-09-22 | 安徽春辉仪表线缆集团有限公司 | It is a kind of quick from defrosting finned evaporator |
| CN108645076A (en) * | 2018-03-22 | 2018-10-12 | 河南新科隆电器有限公司 | A kind of tube-expanding type heat exchanger and preparation method thereof |
| CN109028662A (en) * | 2018-06-29 | 2018-12-18 | 安徽新店软件开发有限公司 | A kind of finned evaporator and refrigeration equipment |
| CN109070697A (en) * | 2016-06-01 | 2018-12-21 | 株式会社电装 | cold-storage heat exchanger |
| CN109341146A (en) * | 2018-09-27 | 2019-02-15 | 海信（山东）冰箱有限公司 | A kind of Thermal Performance of Micro Channels device assembly and refrigerator |
| CN110044119A (en) * | 2019-04-15 | 2019-07-23 | 合肥华凌股份有限公司 | Heat-exchanging component and refrigeration equipment with it |
| CN110332735A (en) * | 2019-08-08 | 2019-10-15 | 长虹美菱股份有限公司 | A kind of evaporator fin component |
| CN111102766A (en) * | 2018-10-29 | 2020-05-05 | 博西华电器（江苏）有限公司 | Microchannel heat exchanger and refrigeration appliance |
| CN111964309A (en) * | 2020-07-27 | 2020-11-20 | 万江新能源集团有限公司 | Large-interval fin evaporator device for heating |
| CN112503808A (en) * | 2019-09-16 | 2021-03-16 | 青岛海尔电冰箱有限公司 | Evaporator assembly and refrigerator comprising same |
| CN112696861A (en) * | 2019-10-23 | 2021-04-23 | 博西华电器（江苏）有限公司 | Refrigerator waste heat collecting system, refrigerator defrosting system and refrigerator condensation preventing system |
| CN112984052A (en) * | 2015-09-18 | 2021-06-18 | 萧爱工业有限公司 | Advanced component based conveyor belt splicer |
| CN113865154A (en) * | 2021-10-12 | 2021-12-31 | 珠海格力电器股份有限公司 | Finned evaporator, defrosting control method and device thereof and refrigeration equipment |
| CN114322421A (en) * | 2021-12-31 | 2022-04-12 | 长虹美菱股份有限公司 | Refrigerator defrosting device and control method |
| CN115325729A (en) * | 2022-07-01 | 2022-11-11 | 镇江市威胜电气有限公司 | Evaporator assembly with defrosting function |
| WO2023208160A1 (en) * | 2022-04-29 | 2023-11-02 | 宁波韩电电器有限公司 | Heat exchange device having compensation heating function for refrigerator |
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| US4492851A (en) * | 1980-12-29 | 1985-01-08 | Brazeway, Inc. | Swap action arrangement mounting an electric defroster heater to a finned refrigeration unit |
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| US4369350A (en) * | 1978-11-29 | 1983-01-18 | Hitachi, Ltd. | Electric defroster heater mounting arrangement for stacked finned refrigeration evaporator |
| US4492851A (en) * | 1980-12-29 | 1985-01-08 | Brazeway, Inc. | Swap action arrangement mounting an electric defroster heater to a finned refrigeration unit |
| JPH0336480A (en) * | 1989-06-30 | 1991-02-18 | Showa Alum Corp | Heat exchanger |
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Cited By (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102706073A (en) * | 2012-06-20 | 2012-10-03 | 海信容声(广东)冰箱有限公司 | Defrosting heating device for evaporator of refrigerator and control method |
| CN103662417A (en) * | 2013-11-30 | 2014-03-26 | 南通四方冷链装备股份有限公司 | Cold chain heat-insulation box with heat exchanging plates |
| JP2015148403A (en) * | 2014-02-07 | 2015-08-20 | 株式会社東芝 | refrigerator |
| CN104833088A (en) * | 2015-05-18 | 2015-08-12 | 都匀市嘉予新能源科技发展有限公司 | Outer machine of air source water heater |
| CN112984052A (en) * | 2015-09-18 | 2021-06-18 | 萧爱工业有限公司 | Advanced component based conveyor belt splicer |
| CN109070697A (en) * | 2016-06-01 | 2018-12-21 | 株式会社电装 | cold-storage heat exchanger |
| CN107192174A (en) * | 2017-06-06 | 2017-09-22 | 安徽春辉仪表线缆集团有限公司 | It is a kind of quick from defrosting finned evaporator |
| CN107192174B (en) * | 2017-06-06 | 2020-02-11 | 安徽春辉仪表线缆集团有限公司 | Quick self-defrosting finned evaporator |
| CN108645076A (en) * | 2018-03-22 | 2018-10-12 | 河南新科隆电器有限公司 | A kind of tube-expanding type heat exchanger and preparation method thereof |
| CN109028662A (en) * | 2018-06-29 | 2018-12-18 | 安徽新店软件开发有限公司 | A kind of finned evaporator and refrigeration equipment |
| CN109341146A (en) * | 2018-09-27 | 2019-02-15 | 海信（山东）冰箱有限公司 | A kind of Thermal Performance of Micro Channels device assembly and refrigerator |
| CN111102766A (en) * | 2018-10-29 | 2020-05-05 | 博西华电器（江苏）有限公司 | Microchannel heat exchanger and refrigeration appliance |
| CN110044119A (en) * | 2019-04-15 | 2019-07-23 | 合肥华凌股份有限公司 | Heat-exchanging component and refrigeration equipment with it |
| CN110332735A (en) * | 2019-08-08 | 2019-10-15 | 长虹美菱股份有限公司 | A kind of evaporator fin component |
| CN112503808A (en) * | 2019-09-16 | 2021-03-16 | 青岛海尔电冰箱有限公司 | Evaporator assembly and refrigerator comprising same |
| CN112696861A (en) * | 2019-10-23 | 2021-04-23 | 博西华电器（江苏）有限公司 | Refrigerator waste heat collecting system, refrigerator defrosting system and refrigerator condensation preventing system |
| CN111964309A (en) * | 2020-07-27 | 2020-11-20 | 万江新能源集团有限公司 | Large-interval fin evaporator device for heating |
| CN113865154A (en) * | 2021-10-12 | 2021-12-31 | 珠海格力电器股份有限公司 | Finned evaporator, defrosting control method and device thereof and refrigeration equipment |
| CN113865154B (en) * | 2021-10-12 | 2022-05-31 | 珠海格力电器股份有限公司 | Finned evaporator, defrosting control method and device thereof and refrigeration equipment |
| CN114322421A (en) * | 2021-12-31 | 2022-04-12 | 长虹美菱股份有限公司 | Refrigerator defrosting device and control method |
| WO2023208160A1 (en) * | 2022-04-29 | 2023-11-02 | 宁波韩电电器有限公司 | Heat exchange device having compensation heating function for refrigerator |
| CN115325729A (en) * | 2022-07-01 | 2022-11-11 | 镇江市威胜电气有限公司 | Evaporator assembly with defrosting function |
| CN115325729B (en) * | 2022-07-01 | 2024-01-30 | 镇江市威胜电气有限公司 | Evaporator assembly with defrosting function |
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Application publication date: 20110105 |