CN104034113A - Direct cooling refrigerator - Google Patents
Direct cooling refrigerator Download PDFInfo
- Publication number
- CN104034113A CN104034113A CN201310304254.8A CN201310304254A CN104034113A CN 104034113 A CN104034113 A CN 104034113A CN 201310304254 A CN201310304254 A CN 201310304254A CN 104034113 A CN104034113 A CN 104034113A
- Authority
- CN
- China
- Prior art keywords
- evaporation tube
- evaporation
- inner bag
- direct cooling
- cooling refrigerator
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
-
- 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
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B39/00—Evaporators; Condensers
- F25B39/02—Evaporators
-
- 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
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2339/00—Details of evaporators; Details of condensers
- F25B2339/02—Details of evaporators
- F25B2339/023—Evaporators consisting of one or several sheets on one face of which is fixed a refrigerant carrying coil
Abstract
The invention provides a direct cooling refrigerator. The direct cooling refrigerator comprises an inner container and an evaporation tube stack arranged on the inner container, wherein the evaporation tube stack is a container-winding evaporation tube stack and has at least two heat transfer coefficients. By adopting the direct cooling refrigerator, a frosting position can be controlled effectively, and the effect of saving energy can be achieved.
Description
Technical field
The present invention relates to a kind of direct cooling refrigerator, relate in particular to a kind of energy-conservation direct cooling refrigerator.
Background technology
Refrigerator be a kind of refrigeration while utilizing refrigerant compression in refrigerating circuit, condensation, expansion and evaporation by refrigerator inner sustain at low-temperature condition, thereby preserve the device of food.
Derect refrigerated refrigerator is by continuing to drive the method for refrigerating circuit that the temperature in casing is maintained under low-temperature condition.The refrigerating evaporator of existing derect refrigerated refrigerator adopts band-tube type or threaded pipe type design substantially, thereby, when using existing derect refrigerated refrigerator, the surface of refrigerating evaporator will directly contact with the damp-heat air of freezing compartment inside, because hot-air density is little compared with cold air density, thereby the front upper part in freezing compartment can be assembled a large amount of damp-heat airs, cause local frosting obvious.Along with the growth of life cycle, in refrigerating chamber, can be easy to cause because frost layer is blocked up temperature to raise, thereby not only can cause the refrigeration performance of derect refrigerated refrigerator to decline, also can cause power consumption higher simultaneously, had a strong impact on user's normal use.
In view of this, be necessary existing derect refrigerated refrigerator to be improved, to address the above problem.
Summary of the invention
The object of the present invention is to provide a kind of novel direct cooling refrigerator, this direct cooling refrigerator has energy-conservation effect.
For achieving the above object, the invention provides a kind of direct cooling refrigerator, comprise inner bag and be arranged on the evaporation tube group on described inner bag, described evaporation tube group is for twining courage formula and described evaporation tube group has at least two kinds of heat transfer coefficients.
As a further improvement on the present invention, described evaporation tube group comprises the first evaporation tube being wrapped on described inner bag and is arranged on the second evaporation tube on described inner bag.
As a further improvement on the present invention, the heat transfer coefficient of described the first evaporation tube is different from the heat transfer coefficient of described the second evaporation tube.
As a further improvement on the present invention, the material of described the first evaporation tube is aluminium, and the surface of described the second evaporation tube is formed with copper coating.
As a further improvement on the present invention, described evaporation tube group comprises evaporation tube, and described evaporation tube comprises the first evaporation part and the second evaporation part that heat transfer coefficient is different.
As a further improvement on the present invention, the material of described the first evaporation part is aluminium, and the surface of described the second evaporation part is formed with copper coating.
As a further improvement on the present invention, described the first evaporation tube is connected with a compressor, described the second evaporation tube is arranged between described the first evaporation tube and described compressor, so that cold-producing medium flows to described the first evaporation tube again from compressor outlet described the second evaporation tube of first flowing through.
As a further improvement on the present invention, between described the first evaporation tube and described compressor, be also provided with muffler, so that cold-producing medium exports from the first evaporation tube the described muffler of first flowing through, flow to again described compressor.
As a further improvement on the present invention, described inner bag comprises freezing inner bag and refrigeration inner bag, described the first evaporation tube and described the second evaporation tube are all arranged on described freezing inner bag, described evaporation tube group also comprises the 3rd evaporation tube being arranged between described compressor and described the second evaporation tube with to described refrigeration inner bag refrigeration, so that cold-producing medium flows to described the second evaporation tube again from compressor outlet described the 3rd evaporation tube of first flowing through.
As a further improvement on the present invention, described evaporation tube group also comprises the 4th evaporation tube being arranged between described the first evaporation tube and described muffler with to described refrigeration inner bag refrigeration, so that cold-producing medium flows to described muffler again from the first evaporation tube outlet described the 4th evaporation tube of first flowing through.
Compared with prior art, advantage of the present invention is: direct cooling refrigerator of the present invention is by being provided with the evaporation tube group that twines courage formula, described evaporation tube group has at least two kinds of heat transfer coefficients simultaneously, thereby direct cooling refrigerator of the present invention not only can control effectively to frosting position, can also play energy-conservation effect simultaneously.
Accompanying drawing explanation
Fig. 1 is the main internal structure schematic diagram of direct cooling refrigerator of the present invention.
Fig. 2 is the floor map of refrigerant flow direction in Fig. 1.
Fig. 3 be in Fig. 2 the second evaporation tube in the schematic cross-section of A-A direction.
The specific embodiment
In order to make the object, technical solutions and advantages of the present invention clearer, below in conjunction with the drawings and specific embodiments, describe the present invention.
As shown in Figure 1 to Figure 3, direct cooling refrigerator of the present invention comprises refrigerator body (not shown), the next door (not shown) that the centre of described refrigerator body has horizontal direction to form, and described refrigerator body centered by described next door along each self-forming refrigerating chamber (not shown) of above-below direction and refrigerating chamber (not shown).The front openings place of described refrigerating chamber and described refrigerating chamber has by the refrigerating-chamber door body (not shown) of hinge combination and refrigerating chamber door body (not shown), described refrigerating-chamber door body and described refrigerating chamber door body are rotated, to open and close refrigerating chamber and the refrigerating chamber of described refrigerator body.
Described refrigerating chamber comprises the freezing inner bag 20 that is arranged on described refrigerating chamber inside, is provided with the first evaporation tube 30 and the second evaporation tube 40 that described freezing inner bag 20 is freezed on described freezing inner bag 20.Described freezing inner bag 20 comprises the open side 21 of corresponding described refrigerating chamber door body, four sidewalls 22 and with the described open side 21 relative rear wall 23 adjacent with described open side 21.Described the first evaporation tube 30 is coiled uniform winding on four sidewalls 22 of described freezing inner bag 20, and is that the front portion to described freezing inner bag 20 is wound around from the rear portion of described freezing inner bag 20.
Described the first evaporation tube 30 is connected with a compressor (not shown).Described the second evaporation tube 40 is arranged between described compressor and described the first evaporation tube 30, so that cold-producing medium flows to described the first evaporation tube 30 again from compressor outlet described the second evaporation tube 40 of first flowing through.In present embodiment, rear wall 23 tops of described freezing inner bag 20 are provided with energy-conservation 4, and described the second evaporation tube 40 pastes on described energy-conservation 4, and are positioned at the rear of described the first evaporation tube 30; And in other embodiments, on the rear wall 23 of described freezing inner bag 20, can not arrange described energy-conservation 4, described the second evaporation tube 40 is directly fixed on the rear wall 23 of described freezing inner bag 20.
In present embodiment, described the second evaporation tube 40 is D type pipe (but be not limited only to D type pipe, also can be the pipe of other types), and is band-tube type and pastes above the rear wall 23 of described freezing inner bag 20; And in other embodiments, the position that pastes of described the second evaporation tube 40 can be adjusted according to actual needs, described the second evaporation tube 40 also can be arranged to be embedded in the inflation type of described freezing inner bag 20 rear wall 23 upsides in addition.
At present, conduct heat and have 3 kinds of basic modes: heat conduction, heat convection, radiation heat transfer.Wherein the capacity of heat transmission is weighed with thermal conductivity factor, and the relating to parameters such as thermal conductivity factor itself and material, density, water capacity, temperature.On described freezing inner bag 20 of the present invention, be provided with heat exchange zone, and include at least two kinds of heat transfer coefficients in described heat exchange zone.Described heat exchange zone in the present invention has two kinds of embodiments, below will be elaborated respectively to these two kinds of embodiments.
Embodiment one, described the first evaporation tube 30 and described the second evaporation tube 40 are all arranged in described heat exchange zone, and described the second evaporation tube 40 has the material of high thermal conductivity coefficient, so that the heat transfer coefficient of described the second evaporation tube 40 is higher than the heat transfer coefficient of (comprising described freezing inner bag 20 and described the first evaporation tube 30) of other positions in described refrigerating chamber, thereby the temperature on described the second evaporation tube 40 surfaces can be lower than the temperature at other positions in described refrigerating chamber, and then the damp-heat air of described refrigerating chamber inside can be in the preferential frosting in the position of described the second evaporation tube 40 of correspondence.Specifically, the material of described the first evaporation tube 30 is aluminium, and described the second evaporation tube 40 comprises aluminum pipe and is formed on the copper coating of aluminum tube surfaces, thereby the heat transfer coefficient of described the second evaporation tube 40 is higher than the heat transfer coefficient of described the first evaporation tube 30.
Embodiment two, described the second evaporation tube 40 are arranged in described heat exchange zone, and described the second evaporation tube 40 comprises the first evaporation part and the second evaporation part being connected with described the first evaporation part.Described the second evaporation part has the material of high thermal conductivity coefficient, so that the heat transfer coefficient of described the second evaporation part is higher than the heat transfer coefficient of (comprising described freezing inner bag 20 and described the first evaporation tube 30) of other positions in described the first evaporation part and described refrigerating chamber, thereby the temperature on described the second surface, evaporation part can be lower than the temperature at other positions in described refrigerating chamber, and then the damp-heat air of described refrigerating chamber inside can be in the preferential frosting in the position of described the second evaporation part of correspondence.Specifically, the material of described the first evaporation part is aluminium, and described the second evaporation part comprises aluminum pipe and is formed on the copper coating of aluminum tube surfaces, thereby the heat transfer coefficient of described the second evaporation part is higher than the heat transfer coefficient of described the first evaporation part.
And then, direct cooling refrigerator of the present invention is when refrigeration, the damp-heat air of described refrigerating chamber inside can preferentially accumulate in the higher position Bing Gai position frosting of heat transfer coefficient in corresponding described heat exchange zone, reduced the frosting degree at other positions in described refrigerating chamber, reached and lured white effect, also reached energy-conservation object.
Described refrigerating chamber comprises and is arranged on the refrigeration inner bag (not shown) of described refrigerating chamber inside and the 3rd evaporation tube 11 that described refrigeration inner bag is freezed and the 4th evaporation tube 12.In present embodiment, described the 3rd evaporation tube 11 and described the 4th evaporation tube 12 are aluminum pipe, and described the 3rd evaporation tube 11 and described the 4th evaporation tube 12 are all band-tube type and paste on described refrigeration inner bag; And in other embodiments, described the 3rd evaporation tube 11 and described the 4th evaporation tube 12 also can be arranged to be embedded in the inflation type in described refrigeration inner bag.
Described the first evaporation tube 30, described the second evaporation tube 40, described the 3rd evaporation tube 11, described the 4th evaporation tube 12 and described energy-conservation 4 common connection are combined to form an evaporation tube group.
Described the 3rd evaporation tube 11 is arranged between described compressor and described the second evaporation tube 40, so that cold-producing medium flows to described the second evaporation tube 40 again from compressor outlet described the 3rd evaporation tube 11 of first flowing through.
Between described the first evaporation tube 30 and described compressor, be also provided with muffler 50, so that cold-producing medium flows to described compressor again from the first evaporation tube 30 outlet 31 described muffler 50 of first flowing through.In present embodiment, the S-type side that is arranged on described freezing inner bag 20 of described muffler 50, and in other embodiments, also linearly shape or helical form or other shapes are arranged on a side of described freezing inner bag 20 to described muffler 50.
Described the 4th evaporation tube 12 is arranged between described the first evaporation tube 30 and described muffler 50, so that cold-producing medium flows to described muffler 50 again from the first evaporation tube 30 outlet 31 described the 4th evaporation tube 12 of first flowing through.
Like this, direct cooling refrigerator of the present invention is when cooling cycle system normally moves, first cold-producing medium flows out and flows into described the 3rd evaporation tube 11 from compressor outlet, then flow into again described the second evaporation tube 40, and then flow into described the first evaporation tube 30, and then to follow, cold-producing medium first flows into described the 4th evaporation tube 12 described muffler 50 of flowing through again from described the first evaporation tube 30 outlets 31 are flowed out, finally flow back in described compressor, for recycling next time.
In direct cooling refrigerator casing of the present invention, formed one from back to front, top-down temperature field, thereby the damp-heat air that enters into described refrigerator body inside can be under the effect of said temperature field automatic cycle to the higher position of heat transfer coefficient in corresponding described heat exchange zone and preferentially in this position frosting, further to make the frosting degree at other positions except this position in described refrigerating chamber reduce, and then controlled the position of frosting in described direct cooling refrigerator refrigerating chamber, played energy-conservation effect.
In sum, direct cooling refrigerator of the present invention by arranging heat exchange zone and evaporation tube group on described freezing inner bag 20, and in described heat exchange zone, described evaporation tube group has at least two kinds of heat transfer coefficients, thereby the damp-heat air of described refrigerating chamber inside can preferentially gather with the eddy current in temperature field the higher position Bing Gai position frosting of heat transfer coefficient in corresponding described heat exchange zone, thereby in cooling system performance, meet the requirements of the frosting degree of simultaneously not only having realized refrigerating chamber inside and obviously reduce, frosting position has obtained effective control, also played energy-conservation effect simultaneously.
Above embodiment is only unrestricted in order to technical scheme of the present invention to be described, although the present invention is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can modify or be equal to replacement technical scheme of the present invention, and not depart from the spirit and scope of technical solution of the present invention.
Claims (10)
1. a direct cooling refrigerator, comprises inner bag and is arranged on the evaporation tube group on described inner bag, it is characterized in that: described evaporation tube group is for twining courage formula and described evaporation tube group has at least two kinds of heat transfer coefficients.
2. direct cooling refrigerator according to claim 1, is characterized in that: described evaporation tube group comprises the first evaporation tube being wrapped on described inner bag and is arranged on the second evaporation tube on described inner bag.
3. direct cooling refrigerator according to claim 2, is characterized in that: the heat transfer coefficient of described the first evaporation tube is different from the heat transfer coefficient of described the second evaporation tube.
4. direct cooling refrigerator according to claim 3, is characterized in that: the material of described the first evaporation tube is aluminium, and the surface of described the second evaporation tube is formed with copper coating.
5. direct cooling refrigerator according to claim 1, is characterized in that: described evaporation tube group comprises evaporation tube, and described evaporation tube comprises the first evaporation part and the second evaporation part that heat transfer coefficient is different.
6. direct cooling refrigerator according to claim 5, is characterized in that: the material of described the first evaporation part is aluminium, and the surface of described the second evaporation part is formed with copper coating.
7. direct cooling refrigerator according to claim 2, it is characterized in that: described the first evaporation tube is connected with a compressor, described the second evaporation tube is arranged between described the first evaporation tube and described compressor, so that cold-producing medium flows to described the first evaporation tube again from compressor outlet described the second evaporation tube of first flowing through.
8. direct cooling refrigerator according to claim 7, is characterized in that: between described the first evaporation tube and described compressor, be also provided with muffler, so that cold-producing medium exports from the first evaporation tube the described muffler of first flowing through, flow to described compressor again.
9. direct cooling refrigerator according to claim 8, it is characterized in that: described inner bag comprises freezing inner bag and refrigeration inner bag, described the first evaporation tube and described the second evaporation tube are all arranged on described freezing inner bag, described evaporation tube group also comprises the 3rd evaporation tube being arranged between described compressor and described the second evaporation tube with to described refrigeration inner bag refrigeration, so that cold-producing medium flows to described the second evaporation tube again from compressor outlet described the 3rd evaporation tube of first flowing through.
10. direct cooling refrigerator according to claim 9, it is characterized in that: described evaporation tube group also comprises the 4th evaporation tube being arranged between described the first evaporation tube and described muffler with to described refrigeration inner bag refrigeration, so that cold-producing medium flows to described muffler again from the first evaporation tube outlet described the 4th evaporation tube of first flowing through.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310304254.8A CN104034113B (en) | 2013-03-18 | 2013-07-19 | Direct cooling refrigerator |
| PCT/CN2013/084675 WO2015007019A1 (en) | 2013-07-19 | 2013-09-30 | Direct-cooling refrigerator |
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310085333.4 | 2013-03-08 | ||
| CN 201310085333 CN103185435A (en) | 2013-03-18 | 2013-03-18 | Direct-cooling refrigerator |
| CN2013100853334 | 2013-03-18 | ||
| CN201310304254.8A CN104034113B (en) | 2013-03-18 | 2013-07-19 | Direct cooling refrigerator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104034113A true CN104034113A (en) | 2014-09-10 |
| CN104034113B CN104034113B (en) | 2017-01-18 |
Family
ID=52346995
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310304254.8A Active CN104034113B (en) | 2013-03-18 | 2013-07-19 | Direct cooling refrigerator |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN104034113B (en) |
| WO (1) | WO2015007019A1 (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4227379A (en) * | 1978-02-23 | 1980-10-14 | Tokyo Shibaura Denki Kabushiki Kaisha | Cooling apparatus |
| US4294081A (en) * | 1978-05-02 | 1981-10-13 | Tokyo Shibaura Denki Kabushiki Kaisha | Freezing refrigerator |
| CN2188731Y (en) * | 1994-01-27 | 1995-02-01 | 成都集翔电子电器公司 | Refrigerator evaporator |
| CN2540609Y (en) * | 2002-04-23 | 2003-03-19 | 广东科龙电器股份有限公司 | Direct-cooling refrigerator with drawer |
| CN1420332A (en) * | 2001-11-16 | 2003-05-28 | Lg电子株式会社 | Direct cooling refrigerator |
| CN2563529Y (en) * | 2002-08-30 | 2003-07-30 | 广东科龙电器股份有限公司 | Inner tube combination structure for electric refrigerator |
| CN2711648Y (en) * | 2004-06-22 | 2005-07-20 | 河南新飞电器有限公司 | Evaporator for refrigerator |
| CN101566415A (en) * | 2009-05-19 | 2009-10-28 | 广东奥马电器股份有限公司 | Energy-conserving refrigerator |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100520252C (en) * | 2004-12-28 | 2009-07-29 | 利勃海尔-家用电器奥克森豪森有限责任公司 | Refrigerating and freezing appliance |
| CN2913984Y (en) * | 2006-03-04 | 2007-06-20 | 海尔集团公司 | Fixing structure for cover board of refrigerator evaporator inner container |
| CN201129899Y (en) * | 2007-12-04 | 2008-10-08 | 海尔集团公司 | Refrigerator with three doors |
| JP2009168280A (en) * | 2008-01-11 | 2009-07-30 | Hoshizaki Electric Co Ltd | Cooling storage |
| CN103185435A (en) * | 2013-03-18 | 2013-07-03 | 海尔集团公司 | Direct-cooling refrigerator |
-
2013
- 2013-07-19 CN CN201310304254.8A patent/CN104034113B/en active Active
- 2013-09-30 WO PCT/CN2013/084675 patent/WO2015007019A1/en active Application Filing
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4227379A (en) * | 1978-02-23 | 1980-10-14 | Tokyo Shibaura Denki Kabushiki Kaisha | Cooling apparatus |
| US4294081A (en) * | 1978-05-02 | 1981-10-13 | Tokyo Shibaura Denki Kabushiki Kaisha | Freezing refrigerator |
| CN2188731Y (en) * | 1994-01-27 | 1995-02-01 | 成都集翔电子电器公司 | Refrigerator evaporator |
| CN1420332A (en) * | 2001-11-16 | 2003-05-28 | Lg电子株式会社 | Direct cooling refrigerator |
| CN2540609Y (en) * | 2002-04-23 | 2003-03-19 | 广东科龙电器股份有限公司 | Direct-cooling refrigerator with drawer |
| CN2563529Y (en) * | 2002-08-30 | 2003-07-30 | 广东科龙电器股份有限公司 | Inner tube combination structure for electric refrigerator |
| CN2711648Y (en) * | 2004-06-22 | 2005-07-20 | 河南新飞电器有限公司 | Evaporator for refrigerator |
| CN101566415A (en) * | 2009-05-19 | 2009-10-28 | 广东奥马电器股份有限公司 | Energy-conserving refrigerator |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2015007019A1 (en) | 2015-01-22 |
| CN104034113B (en) | 2017-01-18 |
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