CN101086407B - Circulated air channel of three-door refrigerator - Google Patents
Circulated air channel of three-door refrigerator Download PDFInfo
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- CN101086407B CN101086407B CN2006100874129A CN200610087412A CN101086407B CN 101086407 B CN101086407 B CN 101086407B CN 2006100874129 A CN2006100874129 A CN 2006100874129A CN 200610087412 A CN200610087412 A CN 200610087412A CN 101086407 B CN101086407 B CN 101086407B
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Abstract
The invention discloses a circulation air channel of a three-door refrigerator, which comprises the following parts: a casing, an evaporator, a split chilling chamber and refrigerating chamber on the top of the casing, a temperature-change chamber on the bottom of the casing, wherein the temperature-change chamber is an integral big drawer type structure, and the chilling chamber is only equipped with a evaporator, the chilling work, the refrigerating work, the temperature-change work use the evaporator commonly, the chilling chamber, the refrigerating chamber and the temperature-change chamber are equipped with the circulation air channel adjusted the temperature with the same evaporator. The invention saves a temperature-change evaporator by adjusting the needed temperature of the intake air quantity in every chamber space with the circulation air channel, which preferably achieves temperature-change function lonely because the temperature chamber is a lone chamber, achieves the big chilling and refrigerating conversion, meets the users' needs, provides the simple process, the convenient repairing.
Description
Technical field
The present invention relates to a kind of refrigerator, especially a kind of circulation air path of air-cooled three-door refrigerator.
Background technology
Common household refrigerator-freezer is made a general reference two-door two temperature, three three temperature, cabinet type multi-door refrigerator.It has independently refrigerating chamber external door, and the volume of refrigerating chamber is also bigger, is about 1/4～1/2 of total measurement (volume), can store more frozen food.The refrigerating chamber that has also is provided with compartment and door, so that according to the different storage temperature of food and separate storage.
The flow direction of refrigeration systems such as refrigerator solenoid control refrigerant commonly used, supply with refrigerant to each refrigeration (freezing) chamber respectively, it is temperature required that each space of refrigerator is cooled to, and common two-door double temperature double control refrigerator adopts two-position three way magnetic valve to control the refrigerant of supplying with refrigeration and refrigerating chamber respectively.Raising along with people's living standard, people have higher requirement to refrigerator, as for to make refrigerator more can adapt to the refrigeration of various foods, on refrigerator, have additional ice greenhouse (fruit chamber, thin dish chamber), be used to refrigerate the high slightly food of refrigerated storage temperature such as fruit, vegetables, therefore a compressor occurred and supplied with the three temperature three control three-door refrigerators of refrigerant respectively, for realizing the refrigeration respectively of three Room, need to adopt one advance three go out magnetic valve to cryogen flow to control respectively.Because increasing of control channel, single reciprocating type spool difficulty is accomplished, thereby existing refrigerator advances three with one and goes out magnetic valve, more employing rotary valve form, its structure is provided with three outlets for the valve wall, by the rotation of a step motor control spool, when spool rotates to a certain angle one of them outlet is communicated with inlet tube, other two are sealing, reach three passages of control connection three Room respectively with this.Yet rotary valve arrangement complexity, requirement on machining accuracy is high, not only the manufacturing process complexity, present domestic processing technology is difficult to accomplish that even make the also difficult internal leakage requirement of satisfying valve, and spool anglec of rotation control accuracy requires also high, the control circuit complexity, so manufacturing cost is higher.
At this problem, application number is that 02286473.3 Chinese patent discloses a kind of improved refrigerator and advances three with one and go out magnetic valve " Stone Yixing City,Sitong appliances factory ", it is characterized in that being communicated with the import of another valve, and be rigidly connected by one that plate is fixedly connected to be integral by of arbitrary outlet of two reciprocating type two-position three way magnetic valves by a valve.Thereby make two position three-way valve can realize that one advances three and goes out the valve function, can replace all complicated rotary one the advancing three and go out valve of structure and control, be used for three temperature, three control three-door refrigerators, has structure and control simply, processing and manufacturing is easy, in leak for a short time, use reliably, be that a compressor is supplied with three temperature, three control three-door refrigerator refrigerant and found a kind of simple and effective refrigerant control magnetic valve.
Also refrigeration, freezing, alternating temperature are not formed the precedent of circulation air path simultaneously with an evaporimeter in the above-mentioned prior art, still some weak point needs improvement.
Common clamshell doors refrigerator, refrigerating chamber is narrow, is not suitable for depositing big pallet, can not solve the requirement of U.S. user to big and wide refrigerating chamber.
Common clamshell doors refrigerator, generally there is not temperature-changing chamber, even have, also be to be placed on the refrigerating chamber foot, and can not realize from refrigeration to soft freezing to freezing alternating temperature function, only can refrigeration with soft freezing between the adjusting, minimum temperature can not satisfy particularly U.S. user's demand of user about-8 ℃.
In view of the above problems, the present invention is proposed.
Summary of the invention
The technical problem to be solved in the present invention is to overcome the deficiencies in the prior art, a kind of circulation air path of improved three-door refrigerator is provided, together with an evaporimeter, the intake of regulating each refrigerating space by circulation air path reaches temperature required in freezing, refrigeration, alternating temperature work.
For solving the problems of the technologies described above, the present invention adopts the basic design of technical scheme to be: a kind of circulation air path of three-door refrigerator, the top that comprises casing, casing is provided with refrigerating chamber and the refrigerating chamber of splitting, the bottom of casing is provided with the temperature-changing chamber of whole drawer type, and only in refrigerating chamber, be provided with an evaporimeter, it is characterized in that: be provided with between described refrigerating chamber, refrigerating chamber and the temperature-changing chamber with same evaporimeter and regulate its circulation air path of indoor temperature separately.
Described circulation air path has the shared blower fan of refrigerating chamber, refrigerating chamber and temperature-changing chamber, and this blower fan is located at the top of the evaporimeter in the refrigerating chamber.
Be provided with the air-return duct and the return air inlet of temperature-changing chamber between the diapire of described refrigerating chamber and the roof of temperature-changing chamber.
Also be provided with the air channel in the described refrigerating chamber, the upper end in this air channel is connected with and the corresponding wind scoop that is subjected to of blower fan, diapire is passed in the lower end in this air channel, alternating temperature air inlet and the alternating temperature air door thereof set by the top of temperature-changing chamber communicate with temperature-changing chamber, and the top of this temperature-changing chamber also is provided with the alternating temperature air outlet that communicates with air-return duct and return air inlet and constitutes the circulation air path of the temperature of regulating temperature-changing chamber.
Be provided with division board between described refrigerating chamber and the refrigerating chamber, the top of this division board is provided with the refrigeration shutter that is fed refrigerating chamber by refrigerating chamber, this refrigeration shutter is corresponding with blower fan, the bottom of this division board is provided with the refrigeration return air inlet that refrigerating chamber communicates with refrigerating chamber, thereby constitutes the circulation air path of regulating refrigerating chamber.
Also be provided with the fan housing plate that adapts with blower fan in the described refrigerating chamber, the top of this fan housing plate is provided with the upper shed of air draft, and the bottom of this fan housing plate is provided with the under shed of return air, thereby constitutes the circulation air path of refrigerating chamber.
Be respectively equipped with first temperature detector and second temperature detector that are connected with refrigerator control part and can record refrigerating chamber and alternating temperature indoor temperature in described refrigerating chamber and the temperature-changing chamber.
Described alternating temperature air door is identical with the structure of refrigeration shutter, comprises the air door seat, is located at rotatable blinker on the air door seat, and an end of this rotatable blinker is provided with the driving section that is connected with control part.
Described air door seat is provided with the air port, and this air port and rotatable blinker adapt.
The section configuration in described air channel is circular, perhaps square, perhaps rectangle.
After adopting technique scheme, the present invention compared with prior art has following beneficial effect.
The structure of the circulation air path of three-door refrigerator of the present invention is to be provided with refrigerating chamber and the refrigerating chamber of splitting on casing top, and the bottom of casing is provided with temperature-changing chamber, only is provided with an evaporimeter in refrigerating chamber.Therefore the such evaporimeter of common use is controlled temperature in freezing, refrigeration, alternating temperature work, and utilizes the formed circulation air path of blower fan of the present invention, air channel and air door, just can reach required temperature by the intake of regulating each interior space.
The circulation air path of three-door refrigerator of the present invention, on split, be respectively refrigerating chamber and refrigerating chamber, the bottom is the drawer type temperature-changing chamber, having solved common clamshell doors refrigerator does not so generally have the problem of temperature-changing chamber, even perhaps have, also be to be placed on the refrigerating chamber foot, and can not realize from refrigerating soft freezing again to the problem of freezing alternating temperature function, common clamshell doors refrigerator only can refrigeration with soft freezing between the adjusting, minimum temperature is about-8 ℃, the present invention is owing to free soft freezing chamber in refrigerating chamber, form an independent space, fully independently realize its alternating temperature function, the temperature of drawer type temperature-changing chamber can be regulated continuously from-18 ℃～5 ℃, knows by second set in this temperature-changing chamber temperature detector how many indoor temperatures is, can control intake by the adjusting of alternating temperature air door size then, just can reach the purpose of control temperature-changing chamber temperature height.Simultaneously, because temperature-changing chamber can just can be realized big refrigeration or big freezing conversion from refrigerating soft freezingly regulate continuously to freezing again, for example big refrigeration in summer, winter is freezing greatly.
The circulation air path of three-door refrigerator of the present invention, because designed is the top clamshell doors, the bottom is holistic big drawer, and it is narrow then can to solve common clamshell doors cold compartment of refrigerator effectively, be not suitable for depositing the problem of big pallet, thereby satisfied the requirement of U.S. user big and wide refrigerating chamber.
In addition, the air channel of the circulation air path of three-door refrigerator of the present invention also has its unique advantage, from the refrigerating chamber air-out, enter refrigerating chamber and temperature-changing chamber, owing to the outside of air channel at the cavity of inner bag and cabinet shell formation, the air channel is the installation of foaming back, be convenient to maintenance, technology is simple simultaneously.And, just can save an evaporimeter of temperature-changing chamber owing to regulate three indoor temperature together with an evaporimeter.
Below in conjunction with accompanying drawing the specific embodiment of the present invention is described in further detail.
Description of drawings
Fig. 1 is the circulation air path perspective view of three-door refrigerator of the present invention;
Fig. 2 is the refrigerating chamber and the refrigerating chamber ventilation state schematic diagram of the circulation air path of three-door refrigerator of the present invention;
Fig. 3 is the temperature-changing chamber ventilation state vertical section schematic diagram of the circulation air path of three-door refrigerator of the present invention;
Fig. 4 is the front schematic view of the circulation air path of three-door refrigerator of the present invention towards the user;
Fig. 5 is the air door structure schematic diagram that piece number 15 is illustrated among piece number 10 and Fig. 2 among Fig. 1.
The specific embodiment
As shown in Figure 1, the structure of the circulation air path of three-door refrigerator of the present invention comprises casing 50, evaporimeter 4, and the top of described casing 50 is provided with refrigerating chamber 17 and the refrigerating chamber of splitting 12, the bottom of described casing 50 is provided with temperature-changing chamber 9, and only is provided with an evaporimeter 4 in refrigerating chamber 17.The big drawer that described temperature-changing chamber 9 is as a whole, i.e. drawer type temperature-changing chamber.That is to say that in the circulation air path of whole three-door refrigerator, refrigerating chamber 17, refrigerating chamber 12 and temperature-changing chamber 9 with this evaporimeter 4, reach required temperature by the intake of regulating each refrigerating space at work.The most outstanding characteristics are to be provided with between described refrigerating chamber 17, refrigerating chamber 12 and the temperature-changing chamber 9 with the refrigeration of same evaporimeter 4 and to regulate its circulation air path of indoor temperature separately.
As Fig. 1, Fig. 2 and shown in Figure 3,, in the casing 50 of the circulation air path of described three-door refrigerator, be provided with the device of a cover air-supply, i.e. circulation air path for the cold air that evaporimeter 4 in the refrigerating chamber 17 is produced is sent into refrigerating chamber 12 and temperature-changing chamber 9.Wherein,
Described circulation air path has the shared blower fan 1 of refrigerating chamber 17, refrigerating chamber 12 and temperature-changing chamber 9, and this blower fan 1 is located at the top of the evaporimeter 4 in the refrigerating chamber 17.
Between the roof of the diapire 7 of described refrigerating chamber 17 and temperature-changing chamber 9, be provided with the air-return duct 6 and the return air inlet 5 (consulting Fig. 3) of temperature-changing chamber 9.
Also be provided with air channel 3 in described refrigerating chamber 17, the section configuration in described air channel 3 is circular, perhaps square, perhaps rectangle.The upper end in this air channel 3 is connected with and the blower fan 1 corresponding wind scoop 2 that is subjected to, and diapire 7 is passed in the lower end in this air channel 3, by set alternating temperature air inlet 14 in the top of temperature-changing chamber 9 and alternating temperature air door 15 thereof communicate with temperature-changing chamber 9 (consulting Fig. 1 and Fig. 2).
Thereby the top of this temperature-changing chamber 9 also is provided with the circulation air path (consulting Fig. 2) that the alternating temperature air outlet 8 that communicates with air-return duct 6 and return air inlet 5 constitutes the temperature of regulating temperature-changing chamber 9.
Be provided with division board 11 between described refrigerating chamber 17 of the circulation air path of three-door refrigerator of the present invention and the refrigerating chamber 12, the top of this division board 11 is provided with the refrigeration shutter 10 that is fed refrigerating chamber 12 by refrigerating chamber 17, this refrigeration shutter 10 is corresponding with blower fan 1, and the bottom of this division board 11 is provided with the refrigeration return air inlet 13 (consulting Fig. 3) that refrigerating chamber 12 communicates with refrigerating chamber 17.Thereby constitute the circulation air path of refrigerating chamber 12, so that finish the task of sending into cold wind from refrigerating chamber 17 to refrigerating chamber 12.
Also be provided with the fan housing plate 60 that adapts with blower fan 1 in the described refrigerating chamber 17, the top of this fan housing plate 60 is provided with the upper shed 16 of air draft, and the bottom of this fan housing plate 60 is provided with the under shed 18 of return air, thereby constitutes the circulation air path of refrigerating chamber 17.
In order to know how many temperature in refrigerating chamber 12 and the temperature-changing chamber 9 is, the present invention is respectively equipped with first temperature detector 25 and second temperature detector 26 (consulting Fig. 4) that can be connected with refrigerator control part 22 and can record temperature in refrigerating chamber 12 and the temperature-changing chamber 9 in described refrigerating chamber 12 and temperature-changing chamber 9.But control part 22 is not shown in Fig. 4, sees also control part shown in Figure 5 22.These control part 22 control alternating temperature air door 15 and refrigeration shutters 10, and first temperature detector 25 and second temperature detector 26, and the control circuit by control part 22 links to each other with control panel on the door-plate, thereby show and control the temperature in each greenhouse, the details of this control section omits not shown in the drawings.
As shown in Figure 5, in the circulation air path of three-door refrigerator of the present invention, described alternating temperature air door 15 is identical with the structure of refrigeration shutter 10, comprises air door seat 20, be located at rotatable blinker 21 on the air door seat 20, an end of this rotatable blinker 21 is provided with the driving section 30 that is connected with control part 22.Described air door seat 20 is provided with air port 31, and this air port 31 adapts with rotatable blinker 21.Above-mentioned driving section 30 is not shown specifically in the drawings, can be that motor directly drives, and can be that motor drives by train of reduction gears yet, and its motor is connected with control part 22 by electric wire.Drive blinker 21 rotations by driving section 30, regulate the size that changes the air port 31 on the air door seat 20, control the size of intake, thereby change the temperature in refrigerating chamber 12 and the temperature-changing chamber 9.
The operation principle of the circulation air path of three-door refrigerator of the present invention.
The circulation air path of three-door refrigerator of the present invention, owing to be to be provided with refrigerating chamber 17 and the refrigerating chamber of splitting 12 on the top of casing 50, the bottom of casing 50 is provided with temperature-changing chamber 9, and only is provided with an evaporimeter 4 in refrigerating chamber 17.Therefore in freezing, refrigeration, alternating temperature work, use such evaporimeter 4 jointly, utilize blower fan 1, air channel 3 and air door 10,15 formed circulation air paths, reach required temperature by regulating each indoor intake.Cold wind circulates in circulation air path and carries out.
As shown in Figure 3, in refrigerating chamber 17, blower fan 1 is discharged cold wind by the upper shed 16 of fan housing plate 60, by under shed 18 backspaces of fan housing plate 60.In refrigerating chamber 12, cold wind enters in the refrigerating chamber 12 with the refrigeration shutter 10 of blower fan 1 by division board 11 tops, by the refrigeration return air inlet 13 backspace refrigerating chambers 17 of division board 11 bottoms.Air port size by control break refrigeration shutter 10 is controlled the size of intake, thereby changes the temperature of refrigerating chamber 12.
As depicted in figs. 1 and 2, cold wind enters in the temperature-changing chamber 9 by being subjected to wind scoop 2, air channel 3, alternating temperature air inlet 14, alternating temperature air door 15 with blower fan 1.Pass through alternating temperature air outlet 8, air-return duct 6, the return air inlet 5 backspace refrigerating chambers 17 of temperature-changing chamber again.Control the size of air quantity by the air port size of alternating temperature air door 15 in the control break temperature-changing chamber 9, thereby change the temperature of temperature-changing chamber 9, its temperature can be regulated continuously from-18 ℃～5 ℃.
The advantage of the circulation air path of three-door refrigerator of the present invention: solved the requirement of U.S. user to big and wide refrigerating chamber, common side by side combination refrigerator, refrigerating chamber is narrow, be not suitable for depositing big pallet, and the newly-designed side-by-side three-door refrigerator of the present invention, because the bottom is the big drawer of an integral body, then can satisfy this demand fully; Simultaneously, because temperature-changing chamber can freezingly be regulated to freezing to soft from refrigeration more continuously by its circulation air path, can realize big refrigeration or big freezing conversion (such as big refrigeration in summer, winter is greatly freezing).
The circulation air path of three-door refrigerator of the present invention also has a advantage the most outstanding to be: freezing air-out, enter refrigeration and alternating temperature, install for foaming is rear in the air channel, be convenient to maintenance, technology is simple simultaneously, and because freezing, refrigeration and three indoor adjustment of alternating temperature with an evaporimeter, just can be saved an evaporimeter of temperature-changing chamber.
The circulation air path of three-door refrigerator of the present invention, on split, be respectively refrigerating chamber and refrigerating chamber, the bottom is the drawer type temperature-changing chamber, and common side by side combination refrigerator does not generally have temperature-changing chamber, even have, also be to be placed on the refrigerating chamber foot, and can not realize from refrigeration to soft freezing again to freezing alternating temperature function, only can refrigeration with soft freezing between adjusting, minimum temperature is about-8 ℃. And three an of evaporimeter of the present invention split refrigerator, and soft freezing chamber is freed in refrigerating chamber, form one independent between the chamber, realize its alternating temperature function fully.
Claims (7)
1. the circulation air path of a three-door refrigerator, wherein said refrigerator comprises that the top of casing (50), casing (50) is provided with refrigerating chamber (17) and the refrigerating chamber of splitting (12), the bottom of casing (50) is provided with the temperature-changing chamber (9) of whole drawer type, and only in refrigerating chamber (17), be provided with an evaporimeter (4), it is characterized in that: be provided with same evaporimeter (4) between described refrigerating chamber (17), refrigerating chamber (12) and the temperature-changing chamber (9) and regulate its circulation air path of indoor temperature separately;
Be provided with air channel (3) in the described refrigerating chamber (17), the upper end in this air channel (3) is connected with and the corresponding wind scoop (2) that is subjected to of blower fan (1), diapire (7) is passed in the lower end in this air channel (3), alternating temperature air inlet (14) and the alternating temperature air door (15) thereof set by the top of temperature-changing chamber (9) communicate with temperature-changing chamber (9), and the top of this temperature-changing chamber (9) also is provided with the alternating temperature air outlet (8) that communicates with air-return duct (6) and return air inlet (5) and constitutes the temperature-changing chamber air channel of the temperature of regulating temperature-changing chamber (9);
Be provided with division board (11) between described refrigerating chamber (17) and the refrigerating chamber (12), the top of this division board (11) is provided with the refrigeration shutter (10) that is fed refrigerating chamber (12) by refrigerating chamber (17), this refrigeration shutter (10) is corresponding with blower fan (1), the bottom of this division board (11) is provided with the refrigeration return air inlet (13) that refrigerating chamber (12) communicates with refrigerating chamber (17), thereby constitutes the refrigerating chamber air channel of regulating refrigerating chamber (12);
Also be provided with the fan housing plate (60) that adapts with blower fan (1) in the described refrigerating chamber (17), the top of this fan housing plate (60) is provided with the upper shed (16) of air draft, the bottom of this fan housing plate (60) is provided with the under shed (18) of return air, thereby constitutes the refrigerating chamber air channel of refrigerating chamber (17).
2. the circulation air path of a kind of three-door refrigerator according to claim 1, it is characterized in that: described circulation air path has the shared blower fan (1) of refrigerating chamber (17), refrigerating chamber (12) and temperature-changing chamber (9), and this blower fan (1) is located at the top of the evaporimeter (4) in the refrigerating chamber (17).
3. the circulation air path of a kind of three-door refrigerator according to claim 1 is characterized in that: the air-return duct (6) and the return air inlet (5) that are provided with temperature-changing chamber (9) between the diapire (7) of described refrigerating chamber (17) and the roof of temperature-changing chamber (9).
4. the circulation air path of a kind of three-door refrigerator according to claim 1 is characterized in that: be respectively equipped with first temperature detector (25) and second temperature detector (26) that is connected with refrigerator control part (22) and can record refrigerating chamber (12) and the interior temperature of temperature-changing chamber (9) in described refrigerating chamber (12) and the temperature-changing chamber (9).
5. the circulation air path of a kind of three-door refrigerator according to claim 1, it is characterized in that: described alternating temperature air door (15) is identical with the structure of refrigeration shutter (10), comprise air door seat (20), be located at air door seat (20) and go up rotatable blinker (21), an end of this rotatable blinker (21) is provided with the driving section (30) that is connected with control part (22).
6. the circulation air path of a kind of three-door refrigerator according to claim 5, it is characterized in that: described air door seat (20) is provided with air port (31), and this air port (31) adapt with rotatable blinker (21).
7. the circulation air path of a kind of three-door refrigerator according to claim 1 is characterized in that: the section configuration of described air channel (3) is for circular, perhaps rectangle.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2006100874129A CN101086407B (en) | 2006-06-09 | 2006-06-09 | Circulated air channel of three-door refrigerator |
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| CN2006100874129A CN101086407B (en) | 2006-06-09 | 2006-06-09 | Circulated air channel of three-door refrigerator |
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| CN101086407A CN101086407A (en) | 2007-12-12 |
| CN101086407B true CN101086407B (en) | 2011-06-15 |
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| CN101839602B (en) * | 2009-03-20 | 2013-04-24 | 海尔集团公司 | Refrigeration device and temperature control method of cold rooms thereof |
| CN101922846A (en) * | 2010-08-17 | 2010-12-22 | 海信容声(广东)冰箱有限公司 | Control system for single-door frostless refrigerator |
| CN102331138B (en) * | 2011-09-22 | 2013-11-06 | 海信容声(广东)冰箱有限公司 | Refrigerator air channel structure capable of synchronously adjusting refrigeration and freezing |
| CN102494460A (en) * | 2011-12-05 | 2012-06-13 | 海尔集团公司 | Refrigerator |
| CN106568271A (en) * | 2016-10-25 | 2017-04-19 | 青岛海尔股份有限公司 | Single system air-cooled refrigerator and control method thereof |
| CN107421205B (en) * | 2017-06-30 | 2019-10-01 | 青岛海尔特种电冰箱有限公司 | Refrigerating device |
| CN107543329A (en) * | 2017-08-14 | 2018-01-05 | 宁波华斯特林电机制造有限公司 | A kind of vehicle-mounted multi-temperature zone refrigerator |
| CN107300288A (en) * | 2017-08-25 | 2017-10-27 | 合肥美菱股份有限公司 | A kind of cross side-by-side combination refrigerator with temperature cycling |
| CN107806733A (en) * | 2017-10-31 | 2018-03-16 | 澳柯玛股份有限公司 | Refrigerator with refrigerating chamber, refrigerating chamber and temperature-changing chamber |
| CN108088147B (en) * | 2017-12-07 | 2020-11-06 | 合肥华凌股份有限公司 | Refrigerator with a door |
| CN108548355B (en) * | 2018-03-09 | 2020-06-23 | 青岛海尔股份有限公司 | Air duct integrated module and refrigerator with same |
| CN108955038A (en) * | 2018-09-05 | 2018-12-07 | 长虹美菱股份有限公司 | A kind of three Horizontal type wind-cooling refrigerator-freezers |
| CN111578594A (en) * | 2020-05-20 | 2020-08-25 | 长虹美菱股份有限公司 | Cold-stored wind channel and refrigerator |
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| CN2392142Y (en) * | 1999-09-14 | 2000-08-16 | 合肥美菱股份有限公司 | Volume changeable refrigerator |
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| US5816060A (en) * | 1996-12-23 | 1998-10-06 | General Electric Company | Air flow control in a side-by-side refrigerator |
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