CN104034115B - Direct cooling refrigerator - Google Patents
Direct cooling refrigerator Download PDFInfo
- Publication number
- CN104034115B CN104034115B CN201310304340.9A CN201310304340A CN104034115B CN 104034115 B CN104034115 B CN 104034115B CN 201310304340 A CN201310304340 A CN 201310304340A CN 104034115 B CN104034115 B CN 104034115B
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- CN
- China
- Prior art keywords
- evaporation tube
- inner bag
- direct cooling
- cooling refrigerator
- flows
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- 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.)
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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
- 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
- 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
- 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 kind of direct cooling refrigerator, it includes inner bag and the evaporation tube group being arranged on described inner bag, described evaporation tube group at least includes the first evaporation tube, the second evaporation tube and the energy-conservation part contacted with described second evaporation tube, described first evaporation tube and at least one in described second evaporation tube are for twining gallbladder formula, the heat transfer coefficient of described energy-conservation part is the most different from the heat transfer coefficient of described first evaporation tube and described second evaporation tube, thus frosting position can not only be control effectively by the direct cooling refrigerator of the present invention, energy-conservation effect can also be played simultaneously.
Description
Technical field
The present invention relates to a kind of direct cooling refrigerator, particularly relate to a kind of energy-conservation direct cooling refrigerator.
Background technology
Electric refrigerator is that a kind of coolant utilized in refrigerating circuit refrigeration when compressing, condense, expand and evaporate will maintain low temperature state inside electric refrigerator, thus preserves the device of food.
Derect refrigerated refrigerator is by persistently driving the method for refrigerating circuit the temperature in casing to be maintained under low temperature state.The refrigerating evaporator of existing derect refrigerated refrigerator uses band-tube type or threaded pipe type design substantially, thus, when using existing derect refrigerated refrigerator, the surface of refrigerating evaporator directly will contact with the damp-heat air within freezing compartment, owing to hot-air density cooler air density is little, thus substantial amounts of damp-heat air can be assembled at the front upper part of freezing compartment, cause local frosting obvious.Along with the growth in the cycle of use, can be easy in refrigerating chamber cause temperature to raise because frost layer is blocked up, thus the refrigeration performance not only resulting in derect refrigerated refrigerator declines, and also results in power consumption higher simultaneously, have a strong impact on the normal use of user.
In view of this, it is necessary to existing derect refrigerated refrigerator is improved, to solve the problems referred to above.
Summary of the invention
It is an object of the invention 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, it includes inner bag and the evaporation tube group being arranged on described inner bag, described evaporation tube group at least includes the first evaporation tube, the second evaporation tube and the energy-conservation part contacted with described second evaporation tube, described first evaporation tube and at least one in described second evaporation tube are for twining gallbladder formula, and the heat transfer coefficient of described energy-conservation part is the most different from the heat transfer coefficient of described first evaporation tube and described second evaporation tube.
As a further improvement on the present invention, described first evaporation tube is aluminum with the material of described second evaporation tube, and the material of described energy-conservation part is copper.
As a further improvement on the present invention, described inner bag includes sidewall that the open side of corresponding door body is adjacent with described open side and the rear wall relative with described open side, described first evaporation tube is wrapped on the sidewall of described inner bag, and described second evaporation tube is arranged on the rear wall of described inner bag.
As a further improvement on the present invention, described first evaporation tube is to the anterior winding of described inner bag from the rear portion of described inner bag.
As a further improvement on the present invention, described second evaporation tube is band-tube type, and described second evaporation tube is heat absorption plate core structure.
As a further improvement on the present invention, described first evaporation tube and a compressor are connected, described second evaporation tube is arranged between described first evaporation tube and described compressor, so that cold-producing medium first flows through described second evaporation tube and flows to described first evaporation tube again from compressor outlet.
As a further improvement on the present invention, between described first evaporation tube and described compressor, it is additionally provided with muffler, so that cold-producing medium first flows through described muffler from the first evaporation tube outlet flows to described compressor again.
As a further improvement on the present invention, described inner bag includes freezing inner bag, and described first evaporation tube and described second evaporation tube are arranged on described freezing inner bag.
As a further improvement on the present invention, described inner bag also includes cold preservation inner bag, described evaporation tube group also includes being arranged between described compressor and described second evaporation tube the 3rd evaporation tube to freeze described cold preservation inner bag, so that cold-producing medium first flows through described 3rd evaporation tube and flows to described second evaporation tube again from compressor outlet.
As a further improvement on the present invention, described evaporation tube group also includes being arranged between described first evaporation tube and described muffler the 4th evaporation tube to freeze described cold preservation inner bag, so that cold-producing medium first flows through described 4th evaporation tube from the first evaporation tube outlet flows to described muffler again.
Compared with prior art, present invention have an advantage that the direct cooling refrigerator of the present invention is by arranging the first evaporation tube, the second evaporation tube and the energy-conservation part contacted with described second evaporation tube on inner bag, at least one in described first evaporation tube and the second evaporation tube is for twining gallbladder formula, the heat transfer coefficient of the most described energy-conservation part is the most different from the heat transfer coefficient of described first evaporation tube and described second evaporation tube, thus frosting position can not only effectively be controlled by the direct cooling refrigerator of the present invention, energy-conservation effect can also be played simultaneously.
Accompanying drawing explanation
Fig. 1 is the main inner mechanisms schematic diagram of the 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 in A-A direction.
Detailed description of the invention
In order to make the object, technical solutions and advantages of the present invention clearer, describe the present invention with specific embodiment below in conjunction with the accompanying drawings.
As shown in Figure 1 to Figure 3, the direct cooling refrigerator of the present invention includes refrigerator body (not shown), there is a next door (not shown) that horizontal direction is formed the centre of described refrigerator body, and described refrigerator body centered by described next door along above-below direction each self-forming cold room (not shown) and refrigerating chamber (not shown).The cold room door body (not shown) and refrigerating chamber door body (not shown) combined by hinge is had at the front openings of described cold room and described refrigerating chamber, described cold room door body and described refrigerating chamber door body rotate, with cold room and the refrigerating chamber of refrigerator body described in opening and closing.
Described refrigerating chamber includes the freezing inner bag 20 being arranged within described refrigerating chamber, and described freezing inner bag 20 is provided with the first evaporation tube 30 and the second evaporation tube 40 freezing described freezing inner bag 20.Four sidewalls 22 that open side 21 that described freezing inner bag 20 includes corresponding described refrigerating chamber door body is adjacent with described open side 21 and the rear wall 23 relative with described open side 21.Described first evaporation tube 30 on four sidewalls 22 of described freezing inner bag 20, and is to be wound around to described the anterior of freezing inner bag 20 from the rear portion of described freezing inner bag 20 in coiled uniform winding.
Described first evaporation tube 30 is connected with a compressor (not shown).Described second evaporation tube 40 is arranged between described compressor and described first evaporation tube 30, so that cold-producing medium first flows through described second evaporation tube 40 and flows to described first evaporation tube 30 again from compressor outlet.Described second evaporation tube 40 is fixedly installed on above the rear wall 23 of described freezing inner bag 20, and is positioned at the rear of described first evaporation tube 30.In present embodiment, described second evaporation tube 40 is heat absorption plate core structure (but being not limited only to heat absorption plate core structure, it is possible to for other kinds of pipe), and is covered in band-tube type above the rear wall 23 of described freezing inner bag 20；And in other embodiments, the position that pastes of described second evaporation tube 40 can be adjusted according to actual needs, the most described second evaporation tube 40 can be configured as being embedded in the inflation type on the upside of described freezing inner bag 20 rear wall 23.
At present, heat transfer has 3 kinds of basic modes: heat conduction, heat convection, radiation heat transfer.Wherein capacity of heat transmission heat conductivity is weighed, and the relating to parameters such as heat conductivity itself and material, density, water capacity, temperature.At least two heat transfer coefficient is included in being provided with heat exchange zone, and described heat exchange zone on the described freezing inner bag 20 of the present invention.
It is additionally provided with energy-conservation part 4 on described freezing inner bag 20, described second evaporation tube 40 is covered on described energy-conservation part 4, described energy-conservation part 4 is covered in above the rear wall 23 of described freezing inner bag 20 further, and described energy-conservation part 4 and described second evaporation tube 40 are respectively positioned in described heat exchange zone.Described energy-conservation part 4 uses the material of high thermal conductivity coefficient to make, so that the heat transfer coefficient of described energy-conservation part 4 is higher than the heat transfer coefficient of other positions in described refrigerating chamber (including described freezing inner bag 20, described first evaporation tube 30 and described second evaporation tube 40), thus the temperature on described energy-conservation part 4 surface can be less than the temperature at other positions in described refrigerating chamber, and then the damp-heat air described refrigerating chamber within can be in the preferential frosting in position of the described energy-conservation part 4 of correspondence.Specifically, the material of described energy-conservation part 4 is copper, and the material of described first evaporation tube 30 and described second evaporation tube 40 is aluminum.In present embodiment, described energy-conservation part 4 is arranged to the tabular of rectangle, so that the damp-heat air within described refrigerating chamber is uniform in the position frosting of corresponding described energy-conservation part 4, and in other embodiments, the shape of described energy-conservation part 4 is also dependent on being actually needed regular figure or other irregular figures such as being adjusted to circle.
And then, the direct cooling refrigerator of the present invention is when refrigeration, and the damp-heat air within described refrigerating chamber can be preferentially accumulated in the position of corresponding described energy-conservation part 4 and in this position frosting, decreases the frosting degree at described refrigerating chamber other positions interior, reach to lure the effect of frost, also reach energy-conservation purpose.
Described cold room includes the cold preservation inner bag (not shown) being arranged on described cooling compartment and the 3rd evaporation tube 11 and the 4th evaporation tube 12 freezing described cold preservation inner bag.In present embodiment, described 3rd evaporation tube 11 and described 4th evaporation tube 12 are aluminum pipe, and described 3rd evaporation tube 11 and described 4th evaporation tube 12 are all covered in band-tube type on described cold preservation inner bag；And in other embodiments, described 3rd evaporation tube 11 and described 4th evaporation tube 12 can be configured as the inflation type being embedded in described cold preservation inner bag.
Described first evaporation tube 30, described second evaporation tube 40, described 3rd evaporation tube 11, described 4th evaporation tube 12 and described energy-conservation part 4 jointly connect combination and form an evaporation tube group.
Described 3rd evaporation tube 11 is arranged between described compressor and described second evaporation tube 40, so that cold-producing medium first flows through described 3rd evaporation tube 11 and flows to described second evaporation tube 40 again from compressor outlet.
It is additionally provided with muffler 50 between described first evaporation tube 30 and described compressor, first flows through described muffler 50 flow to described compressor again so that cold-producing medium exports 31 from the first evaporation tube 30.In present embodiment, described muffler 50 is S-type is arranged on the side of described freezing inner bag 20, and in other embodiments, and described muffler 50 also linear or helical form or other shapes can be arranged on the side of described freezing inner bag 20.
Described 4th evaporation tube 12 is arranged between described first evaporation tube 30 and described muffler 50, first flows through described 4th evaporation tube 12 flow to described muffler 50 again so that cold-producing medium exports 31 from the first evaporation tube 30.
So, the direct cooling refrigerator of the present invention is when cooling cycle system is properly functioning, first cold-producing medium flows out from compressor outlet and flows into described 3rd evaporation tube 11, flow into described second evaporation tube 40 the most again, flow into described first evaporation tube 30 the most again, followed by, cold-producing medium first flows into described 4th evaporation tube 12 after described first evaporation tube 30 exports 31 outflows and passes through described muffler 50, finally flow back in described compressor, recycle for next time.
Define in the direct cooling refrigerator casing of the present invention one from back to front, top-down temperature field, hence into the damp-heat air within described refrigerator body can under the effect of said temperature field Automatic Cycle to the position of corresponding described energy-conservation part 4 preferential in this position frosting, with further such that in described refrigerating chamber other positions frosting degree reduce, and then control the position of frosting in described direct cooling refrigerator refrigerating chamber, serve energy-conservation effect.
In sum, the direct cooling refrigerator of the present invention is by arranging heat exchange zone and evaporation tube group on described freezing inner bag 20, and in described heat exchange zone, the heat transfer coefficient of described energy-conservation part 4 is higher than the heat transfer coefficient of described second evaporation tube 40, thus the damp-heat air within described refrigerating chamber can be with the eddy current preferential build in temperature field to the position of corresponding described energy-conservation part 4 and in this position frosting, thus while cooling system performance reaches requirement, not only achieve the frosting degree within refrigerating chamber significantly reduce, frosting position has obtained effective control, also act energy-conservation effect simultaneously.
Above example is only in order to illustrate technical scheme and unrestricted, although the present invention being described in detail with reference to preferred embodiment, it will be understood by those within the art that, technical scheme can be modified or equivalent, without deviating from the spirit and scope of technical solution of the present invention.
Claims (10)
1. a direct cooling refrigerator, including inner bag and the evaporation tube group being arranged on described inner bag, it is characterized in that: described evaporation tube group at least includes the first evaporation tube, the second evaporation tube and the energy-conservation part contacted with described second evaporation tube, described first evaporation tube and at least one in described second evaporation tube are for twining gallbladder formula, and the heat transfer coefficient of described energy-conservation part is the most different from the heat transfer coefficient of described first evaporation tube and described second evaporation tube.
Direct cooling refrigerator the most according to claim 1, it is characterised in that: described first evaporation tube is aluminum with the material of described second evaporation tube, and the material of described energy-conservation part is copper.
Direct cooling refrigerator the most according to claim 1, it is characterized in that: described inner bag includes sidewall that the open side of corresponding door body is adjacent with described open side and the rear wall relative with described open side, described first evaporation tube is wrapped on the sidewall of described inner bag, and described second evaporation tube is arranged on the rear wall of described inner bag.
Direct cooling refrigerator the most according to claim 3, it is characterised in that: described first evaporation tube is to the anterior winding of described inner bag from the rear portion of described inner bag.
Direct cooling refrigerator the most according to claim 3, it is characterised in that: described second evaporation tube is band-tube type, and described second evaporation tube is heat absorption plate core structure.
Direct cooling refrigerator the most according to claim 1, it is characterized in that: described first evaporation tube and a compressor are connected, described second evaporation tube is arranged between described first evaporation tube and described compressor, so that cold-producing medium first flows through described second evaporation tube and flows to described first evaporation tube again from compressor outlet.
Direct cooling refrigerator the most according to claim 6, it is characterised in that: it is additionally provided with muffler between described first evaporation tube and described compressor, so that cold-producing medium first flows through described muffler from the first evaporation tube outlet flows to described compressor again.
Direct cooling refrigerator the most according to claim 7, it is characterised in that: described inner bag includes freezing inner bag, and described first evaporation tube and described second evaporation tube are arranged on described freezing inner bag.
Direct cooling refrigerator the most according to claim 8, it is characterized in that: described inner bag also includes cold preservation inner bag, described evaporation tube group also includes being arranged between described compressor and described second evaporation tube the 3rd evaporation tube to freeze described cold preservation inner bag, so that cold-producing medium first flows through described 3rd evaporation tube and flows to described second evaporation tube again from compressor outlet.
Direct cooling refrigerator the most according to claim 9, it is characterized in that: described evaporation tube group also includes being arranged between described first evaporation tube and described muffler the 4th evaporation tube to freeze described cold preservation inner bag, so that cold-producing medium first flows through described 4th evaporation tube from the first evaporation tube outlet flows to described muffler again.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310304340.9A CN104034115B (en) | 2013-03-18 | 2013-07-19 | Direct cooling refrigerator |
| PCT/CN2013/085251 WO2015007025A1 (en) | 2013-07-19 | 2013-10-15 | Direct-cooling refrigerator |
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310085333.4 | 2013-03-18 | ||
| CN 201310085333 CN103185435A (en) | 2013-03-18 | 2013-03-18 | Direct-cooling refrigerator |
| CN2013100853334 | 2013-03-18 | ||
| CN201310304340.9A CN104034115B (en) | 2013-03-18 | 2013-07-19 | Direct cooling refrigerator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104034115A CN104034115A (en) | 2014-09-10 |
| CN104034115B true CN104034115B (en) | 2016-08-10 |
Family
ID=52346999
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310304340.9A Active CN104034115B (en) | 2013-03-18 | 2013-07-19 | Direct cooling refrigerator |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN104034115B (en) |
| WO (1) | WO2015007025A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106766607A (en) * | 2016-12-29 | 2017-05-31 | 安徽金诚天骏汽车零部件制造有限公司 | Car refrigerator |
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|---|---|---|---|---|
| CN2088674U (en) * | 1991-01-18 | 1991-11-13 | 叶启勤 | Tube plate welding type heat exchanger for refrigerator (freezer) |
| JPH07120108A (en) * | 1993-10-25 | 1995-05-12 | Hitachi Ltd | Refrigerator |
| CN1420332A (en) * | 2001-11-16 | 2003-05-28 | Lg电子株式会社 | Direct cooling refrigerator |
| CN101566415A (en) * | 2009-05-19 | 2009-10-28 | 广东奥马电器股份有限公司 | Energy-conserving refrigerator |
| KR20110045470A (en) * | 2009-10-27 | 2011-05-04 | 위니아만도 주식회사 | Evaporator Pipe Structure for Refrigerator and Evaporator Pipe |
| CN202470576U (en) * | 2011-12-16 | 2012-10-03 | 合肥美菱股份有限公司 | Refrigerator |
| DE102011006953A1 (en) * | 2011-04-07 | 2012-10-11 | BSH Bosch und Siemens Hausgeräte GmbH | Domestic refrigerating appliance with vaporiser plates connected by webs |
| CN102829598A (en) * | 2012-08-23 | 2012-12-19 | 海信容声(广东)冰箱有限公司 | Automatic refrigerator defrosting system and control method |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4141641A1 (en) * | 1991-12-17 | 1993-06-24 | Bosch Siemens Hausgeraete | SECOND TEMPERATURE REFRIGERATOR |
| ITMI20052331A1 (en) * | 2004-12-17 | 2006-06-18 | Lg Electronics Inc | EVAPORATION TUBE ANTIBRINES FOR DRAWER REFRIGERATOR |
| DE202008009956U1 (en) * | 2008-04-15 | 2009-08-20 | Liebherr-Hausgeräte Lienz Gmbh | Fridge and / or freezer |
| CN202501696U (en) * | 2012-01-06 | 2012-10-24 | 无锡松下冷机有限公司 | Evaporator structure |
| CN102997552B (en) * | 2012-12-14 | 2015-07-01 | 广东奥马电器股份有限公司 | Multidimensional refrigeration energy-saving refrigerator |
| CN103134227B (en) * | 2013-02-26 | 2015-02-25 | 合肥美的电冰箱有限公司 | Refrigeration circulating system and single-system direct air-cooling refrigerator with same |
| CN103185435A (en) * | 2013-03-18 | 2013-07-03 | 海尔集团公司 | Direct-cooling refrigerator |
-
2013
- 2013-07-19 CN CN201310304340.9A patent/CN104034115B/en active Active
- 2013-10-15 WO PCT/CN2013/085251 patent/WO2015007025A1/en active Application Filing
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2088674U (en) * | 1991-01-18 | 1991-11-13 | 叶启勤 | Tube plate welding type heat exchanger for refrigerator (freezer) |
| JPH07120108A (en) * | 1993-10-25 | 1995-05-12 | Hitachi Ltd | Refrigerator |
| CN1420332A (en) * | 2001-11-16 | 2003-05-28 | Lg电子株式会社 | Direct cooling refrigerator |
| CN101566415A (en) * | 2009-05-19 | 2009-10-28 | 广东奥马电器股份有限公司 | Energy-conserving refrigerator |
| KR20110045470A (en) * | 2009-10-27 | 2011-05-04 | 위니아만도 주식회사 | Evaporator Pipe Structure for Refrigerator and Evaporator Pipe |
| DE102011006953A1 (en) * | 2011-04-07 | 2012-10-11 | BSH Bosch und Siemens Hausgeräte GmbH | Domestic refrigerating appliance with vaporiser plates connected by webs |
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| CN102829598A (en) * | 2012-08-23 | 2012-12-19 | 海信容声(广东)冰箱有限公司 | Automatic refrigerator defrosting system and control method |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2015007025A1 (en) | 2015-01-22 |
| CN104034115A (en) | 2014-09-10 |
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Inventor after: Zhu Xiaobing Inventor after: Wu Xiandong Inventor after: Zhang Kui Inventor after: Song Yan Inventor after: Wang Jian Inventor after: Ren Xianwei Inventor before: Wu Xiandong Inventor before: Zhang Kui Inventor before: Song Yan Inventor before: Wang Jian Inventor before: Ren Xianwei |
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Address after: 266101 Haier Industrial Park, No. 1, Haier Road, hi tech park, Laoshan District, Shandong, China Co-patentee after: Haier Zhijia Co., Ltd. Patentee after: haier group corporation Address before: 266101 Haier Industrial Park, No. 1, Haier Road, hi tech park, Laoshan District, Shandong, China Co-patentee before: Qingdao Hair Co., Ltd. Patentee before: haier group corporation |
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