CN109696010B - Cold-stored air supply assembly and side by side combination refrigerator - Google Patents

Cold-stored air supply assembly and side by side combination refrigerator Download PDF

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Publication number
CN109696010B
CN109696010B CN201810136706.9A CN201810136706A CN109696010B CN 109696010 B CN109696010 B CN 109696010B CN 201810136706 A CN201810136706 A CN 201810136706A CN 109696010 B CN109696010 B CN 109696010B
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China
Prior art keywords
air supply
refrigerating
freezing
air
insulation
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CN201810136706.9A
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Chinese (zh)
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CN109696010A (en
Inventor
杨发林
赵发
张欢
毛宝龙
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Haier Smart Home Co Ltd
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Haier Smart Home Co Ltd
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Priority to CN201810136706.9A priority Critical patent/CN109696010B/en
Priority to PCT/CN2018/123082 priority patent/WO2019153913A1/en
Publication of CN109696010A publication Critical patent/CN109696010A/en
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Publication of CN109696010B publication Critical patent/CN109696010B/en
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D17/00Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
    • F25D17/04Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
    • F25D17/06Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation
    • F25D17/062Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation in household refrigerators
    • F25D17/065Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation in household refrigerators with compartments at different temperatures
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D11/00Self-contained movable devices, e.g. domestic refrigerators
    • F25D11/02Self-contained movable devices, e.g. domestic refrigerators with cooling compartments at different temperatures
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2317/00Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass
    • F25D2317/06Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation
    • F25D2317/066Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation characterised by the air supply
    • F25D2317/0665Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation characterised by the air supply from the top

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)

Abstract

The invention discloses a refrigerating air supply assembly, which is applied to a side-by-side refrigerator, wherein the side-by-side refrigerator comprises a freezing chamber, a refrigerating chamber, a freezing fan, a fan bracket, an evaporator, a foaming box body and a refrigerating and freezing middle beam, and the refrigerating air supply assembly further comprises: the refrigerating air supply air door is arranged in the freezing chamber and close to the freezing fan; the refrigerating air supply duct is communicated with the freezing chamber and the refrigerating chamber at two ends respectively and comprises a first section extending to the upper section of the freezing and refrigerating middle beam along the horizontal direction and a second section extending to the lower section of the freezing and refrigerating middle beam along the horizontal direction; the air door heat insulation piece is coated on the outer side of the refrigerating air supply air door; and the middle beam air duct heat insulation piece is coated on the first section of the refrigerating air supply air duct.

Description

Cold-stored air supply assembly and side by side combination refrigerator
Technical Field
The invention relates to the technical field of refrigeration equipment, in particular to a side-by-side combination refrigerator with a pre-assembled refrigerating air supply assembly.
Background
The refrigerating chamber air supply air door of the single-system side-by-side refrigerator in the prior art is generally arranged inside the refrigerating chamber, in order to ensure the sealing of the air door and the air supply effect of the refrigerating chamber, a refrigerating air supply air channel is arranged at the upper part of the refrigerating chamber, the air door is arranged in the air channel, and the air supply quantity entering the refrigerating chamber from the evaporator is controlled, so that the temperature of the refrigerating chamber is controlled.
Fig. 1 is a sectional view illustrating an air duct of a side-by-side refrigerator according to the related art. As shown in the drawings, the freezing chamber a and the refrigerating chamber b of the side-by-side refrigerator further include: the refrigerator comprises a freezing inner container 1, a fan cover plate 2, a freezing fan 3, a fan bracket 4, an evaporator 5, center sill foam 6, a refrigerating air door 7, refrigerating air duct foam 8, a refrigerating air duct cover plate 9 and a foaming box body 10. Wherein, the refrigerating air door 7 is arranged in the refrigerating chamber b.
FIG. 2 is a cross-sectional view of the prior art side-by-side refrigerator of FIG. 1. As shown in the figure, in the operation process of the refrigerator, the evaporator 5 refrigerates, the freezing fan 3 operates, and the freezing fan 3 sends refrigerated air into the freezing chamber a and the refrigerating chamber b through the fan cover plate 2 and the middle beam foam 6 respectively. And a refrigerating air supply duct is arranged at an air supply inlet of the refrigerating chamber b and consists of a refrigerating air door 7, refrigerating air duct foam 8 and a refrigerating air duct cover plate 9. When the refrigerating chamber needs to be refrigerated, the refrigerating air door 7 is opened, and cold air enters the refrigerating chamber through the refrigerating air duct foam 8 and the refrigerating air duct cover plate 9 to refrigerate the refrigerating chamber; when the refrigerating chamber does not need to be cooled, the refrigerating damper 7 is closed, and cold air cannot enter the inside of the refrigerating chamber.
In the refrigerator air duct in the prior art, because the temperature of air entering the refrigerating chamber from the evaporator is low (lower than 10 ℃), in order to avoid condensation of the refrigerating chamber air duct, polystyrene foam is adopted in the refrigerating air supply air duct to insulate heat, so that the size of the refrigerating air supply air duct is large, the effective volume in the refrigerating chamber of the refrigerator is reduced by more than 10L, and the requirement of a user on the capacity of the refrigerating chamber of the refrigerator cannot be met.
Fig. 3 is a schematic view illustrating air circulation in the refrigeration process of the prior art of fig. 1. As shown in the figure, in the refrigerating and refrigerating process, cold air passing through the evaporator passes through the refrigerating fan, one part of the air is directly blown into the freezing chamber a, and the other part of the air passes through the refrigerating air door, then passes through the middle beam foam and then is sent into the refrigerating chamber b through the refrigerating air channel. After the air entering the freezing chamber a and the refrigerating chamber b refrigerates the food, the air reaches the bottom of the evaporator through the refrigerating return air and the freezing return air and circulates in sequence.
In the prior art, refrigeration is not needed in the refrigerating chamber B, and under the condition that a refrigerating air door is closed, once the foam butt joint of a refrigerating air channel is poor or a sealing gasket is deformed, cold air can leak into the refrigerating chamber B through the air channel B, so that the temperature of the refrigerating chamber is too low, and food in the refrigerating chamber B is frozen.
In summary, how to expand the effective capacity of the refrigerating chamber as much as possible and effectively avoid the leakage of cool air is a problem to be solved by those skilled in the art of designing the structure of the refrigerator.
Disclosure of Invention
In order to solve the problems, the invention provides a refrigerating air supply assembly and a door-opening refrigerator, which can enlarge the effective capacity of a refrigerating chamber and effectively avoid cooling leakage.
In order to achieve the above object, an embodiment of the present invention provides a refrigerating air supply assembly, which is applied to a side-by-side refrigerator, where the side-by-side refrigerator includes a freezing chamber and a refrigerating chamber, a freezing fan, a fan bracket, an evaporator, a foaming cabinet, and a freezing and refrigerating center sill, and the refrigerating air supply assembly further includes: the refrigerating air supply air door is arranged in the freezing chamber and close to the freezing fan; the refrigerating air supply duct is communicated with the freezing chamber and the refrigerating chamber at two ends respectively and comprises a first section extending to the upper section of the freezing and refrigerating middle beam along the horizontal direction and a second section extending to the lower section of the freezing and refrigerating middle beam along the horizontal direction; the air door heat insulation piece is coated on the outer side of the refrigerating air supply air door; and the middle beam air duct heat insulation piece is coated on the first section of the refrigerating air supply air duct.
As a further improvement of an embodiment of the present invention, the side-by-side refrigerator further includes a bracket claw, and the refrigerating air supply damper is fixed to the fan bracket by the damper heat insulator and the bracket claw.
As a further improvement of an embodiment of the present invention, the fan bracket, the freezing fan, the refrigerating air supply damper, the damper heat insulation member, and the center sill air duct heat insulation member are pre-assembled into the refrigerating air supply assembly.
As a further improvement of an embodiment of the present invention, the damper thermal insulation and the center sill duct thermal insulation are made of polystyrene foam.
As a further improvement of an embodiment of the present invention, the thickness of the damper insulation and the centre sill duct insulation is in the range of 15mm to 25 mm.
As a further improvement of an embodiment of the present invention, the thickness of the damper insulation and the center sill duct insulation is 20 mm.
As a further improvement to one embodiment of the present invention, the damper insulation and the centre sill duct insulation are other types of plastic.
As a further improvement of an embodiment of the present invention, the plastic heat insulator or the novel composite heat insulator is provided with heating wires or vacuum insulation panels.
As a further improvement of one embodiment of the present invention, the length ratio of the second section of the refrigerating air supply duct to the freezing and refrigerating center sill is between 0.2 and 0.9.
The invention further provides a side-by-side refrigerator which comprises a freezing chamber, a refrigerating chamber, a freezing fan, a fan bracket, an evaporator, a foaming box body and the refrigerating and air supply assembly.
Compared with the prior art, the invention can enlarge the effective capacity of the refrigerating chamber and effectively avoid cooling leakage.
Drawings
FIG. 1 is a cross-sectional view of an air duct of a side-by-side combination refrigerator according to the prior art;
FIG. 2 is a cross-sectional view of the prior art side-by-side refrigerator of FIG. 1;
FIG. 3 is a schematic view of an air cycle in the prior art refrigeration process of FIG. 1;
FIG. 4 is a cross-sectional view of an air duct of a side-by-side combination refrigerator according to an embodiment of the present invention;
FIG. 5 is a cross-sectional view of the side-by-side refrigerator of the embodiment of FIG. 4;
fig. 6 is a schematic view illustrating an air circulation in the refrigeration process according to the embodiment of fig. 4.
Detailed Description
The present invention will be described in detail below with reference to specific embodiments shown in the drawings. These embodiments are not intended to limit the present invention, and structural, methodological, or functional changes made by those skilled in the art according to these embodiments are included in the scope of the present invention.
It is to be understood that, unless otherwise expressly specified or limited, in the description of the present invention, the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", and the like indicate orientations or positional relationships that are determined based on the viewing angle of the user facing the door body side of the refrigerator, merely for convenience of description and simplification of the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Fig. 3 is a cross-sectional view of an air duct of a side-by-side combination refrigerator according to an embodiment of the present invention. As shown in the drawings, the freezing chamber a 'and the refrigerating chamber b' of the side-by-side refrigerator further include: the refrigerator comprises a freezing inner container 1 ', a fan bracket 2', a freezing fan 3 ', an evaporator 4', a refrigerating air supply air door 5 ', an air door heat insulation piece 6', a refrigerating inner container 7 ', a middle beam air supply heat insulation piece 8', a refrigerating air duct 9 'and a foaming box body 10'.
In order to avoid the cold storage air duct from occupying the effective volume of the refrigerating chamber, the invention cancels a cold storage air door arranged in the refrigerating chamber in the prior art, and replaces the cold storage air supply air door arranged in the freezing chamber, the cold storage air supply air door is integrated on the upper part of the evaporator, so that the volume rate of the refrigerating chamber can be effectively improved, meanwhile, in order to facilitate the sealing of the cold storage air supply air door, an air door heat insulation piece is also coated on the outer side of the cold storage air supply air door, and the cold storage air supply air door is fixed on the fan bracket through the air. When the refrigerator is assembled, firstly, the fan bracket 2 ', the freezing fan 3', the refrigerating air supply air door 5 'and the air door heat insulation piece 6' are integrated and assembled together in advance to form a refrigerating air supply assembly; the refrigerated air supply assembly is then installed directly into the freezer compartment.
Further, since the refrigerating air supply damper is provided in the freezing chamber, a cover plate is generally additionally provided on the refrigerating air supply damper and a heating wire is installed on the cover plate in order to prevent the refrigerating air supply damper from freezing.
Furthermore, in order to prevent the freezing of the interior of the refrigerated air supply channel in the freezing chamber, the air door heat insulation piece needs to extend and cover at least part of the refrigerated air supply channel and has a certain heat insulation thickness. In one embodiment, the damper insulation is polystyrene foam and has a thickness in the range of 15mm to 25 mm. Most preferably, the polystyrene foam has a thickness of about 20 mm.
Further, if other materials than polystyrene foam are used, for example, other types of plastics. If other materials are used, the thickness of the insulation may vary accordingly.
Further, in order to prevent freezing of the refrigerating damper, a heating wire or a vacuum insulation panel is generally provided on the plastic insulation member.
Furthermore, the refrigerating air duct can only extend to the upper section of the middle beam along the horizontal direction and is led out to the refrigerating chamber through fewer air outlets. Preferably, the refrigerating air duct comprises a first section extending to the upper section of the middle beam along the horizontal direction, and a second section extending downwards along the middle beam, and the second section is led out to the refrigerating chamber from more air outlets, so that the refrigerating efficiency of the refrigerating chamber of the refrigerator is improved.
Fig. 6 is a schematic view of air circulation in a refrigeration process according to an embodiment of the present invention, in which a refrigerating air supply damper is disposed inside a freezing chamber a', and the problem of air leakage of a refrigerating air duct in the prior art can be effectively solved. As shown in the figure, when the refrigerating chamber b ' needs to be refrigerated, the freezing fan works, the refrigerating air door is opened, and cold air enters the refrigerating chamber through the refrigerating air supply air door 5 ' → the air door heat insulation piece 6 ' → the center sill air duct heat insulation piece 8 ' → the refrigerating air duct 9 '; when the refrigerating chamber b 'does not need to refrigerate, the refrigerating air door is closed, and the freezing chamber a' and the refrigerating air supply air door 5 'can be completely cut off, so that air leakage of the refrigerating chamber b' is avoided.
Further, as shown in fig. 6, the outer sides of different positions of the refrigerating air duct are coated with heat insulation pieces, for example, the air door heat insulation pieces coated on the outer sides of the refrigerating air supply air doors are coated with the middle beam air duct heat insulation pieces which extend to the first section of the air duct of the upper section of the middle beam along the horizontal direction, so that the condensation phenomenon of the inner wall of the refrigerating chamber close to the freezing chamber is relieved. In other embodiments of the invention, the second section extending along the lower section of the freezing and refrigerating center sill can be further coated with an additional heat insulation piece, so that the condensation phenomenon of the inner wall of the refrigerating chamber close to one side of the freezing chamber can be further relieved.
Compared with the prior art, the side-by-side combination refrigerator provided by the embodiment of the invention has the advantages that the refrigerating chamber is larger, the capacity is small, and cold air leakage is effectively avoided.
It should be understood that although the present description refers to embodiments, not every embodiment contains only a single technical solution, and such description is for clarity only, and those skilled in the art should make the description as a whole, and the technical solutions in the embodiments can also be combined appropriately to form other embodiments understood by those skilled in the art.
The detailed description set forth above is merely a specific description of possible embodiments of the present invention and is not intended to limit the scope of the invention, which is intended to include within the scope of the invention equivalent embodiments or modifications that do not depart from the technical spirit of the present invention.

Claims (9)

1. The utility model provides a cold-stored air supply assembly, is applied to the refrigerator of running from opposite directions, and this refrigerator of running from opposite directions is including freezing room and walk-in, freezing fan, fan support, evaporimeter, foaming box, the cold-stored roof beam that freezes side by side, its characterized in that, cold-stored air supply assembly includes: the refrigerator air supply duct comprises a first section and a second section, wherein the first section extends to the upper section of the freezing and refrigerating middle beam along the horizontal direction, and the second section extends to the lower section of the freezing and refrigerating middle beam along the horizontal direction; the refrigerating air supply air door is arranged in the freezing chamber and close to the freezing fan; the air door heat insulation piece is coated on the outer side of the refrigerating air supply air door; the middle beam air duct heat insulation piece is coated on the first section of the refrigerating air supply air duct; the refrigeration air supply air door is fixed on the fan bracket through the air door heat insulation piece and the bracket clamping jaw; when the freezing fan works and the cold storage air supply air door is opened, cold air passes through the freezing and cold storage middle beam from the cold storage air supply air door and enters the cold storage chamber.
2. A refrigerated air supply assembly as recited in claim 1 wherein said fan mount, freezing fan, refrigerated air supply damper, damper insulation, and center sill duct insulation are preassembled into said refrigerated air supply assembly.
3. A refrigerated air supply assembly as recited in claim 1 wherein said damper insulation and center sill air duct insulation are polystyrene foam.
4. A refrigerated air supply assembly as recited in claim 3 wherein the thickness of said damper insulation and center sill duct insulation is in the range of 15mm to 25 mm.
5. A refrigerated air supply assembly as recited in claim 4 wherein said damper insulation and center sill duct insulation are 20mm thick.
6. A refrigerated air supply assembly as recited in claim 1 wherein said damper insulation is plastic other than polystyrene foam.
7. A refrigerated air supply assembly as recited in claim 6 wherein the damper insulation is provided with heating wire or vacuum insulation panels.
8. A refrigerated air supply assembly as recited in claim 1 wherein a ratio of a length of the second section of the refrigerated air supply duct to the length of the refrigerated center sill is between 0.2 and 0.9.
9. A side-by-side refrigerator comprising a freezing chamber and a refrigerating chamber arranged side by side, a freezing fan, a fan bracket, an evaporator, a foaming box body and a refrigerating air supply assembly according to any one of claims 1 to 8.
CN201810136706.9A 2018-02-09 2018-02-09 Cold-stored air supply assembly and side by side combination refrigerator Active CN109696010B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201810136706.9A CN109696010B (en) 2018-02-09 2018-02-09 Cold-stored air supply assembly and side by side combination refrigerator
PCT/CN2018/123082 WO2019153913A1 (en) 2018-02-09 2018-12-24 Refrigerating air supply assembly and side-by-side refrigerator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810136706.9A CN109696010B (en) 2018-02-09 2018-02-09 Cold-stored air supply assembly and side by side combination refrigerator

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CN109696010A CN109696010A (en) 2019-04-30
CN109696010B true CN109696010B (en) 2020-12-01

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WO (1) WO2019153913A1 (en)

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US20220099352A1 (en) 2019-02-01 2022-03-31 Samsung Electronics Co., Ltd. Refrigerator
CN111306865A (en) * 2020-03-03 2020-06-19 广东奥马冰箱有限公司 A kind of refrigerator
CN111578594A (en) * 2020-05-20 2020-08-25 长虹美菱股份有限公司 Cold-stored wind channel and refrigerator
CN213273353U (en) * 2020-09-10 2021-05-25 青岛海尔电冰箱有限公司 Refrigerator with a door
CN113915853B (en) * 2021-01-04 2023-06-30 海信冰箱有限公司 Refrigerator with a refrigerator body
CN113915852B (en) * 2021-01-04 2023-07-21 海信冰箱有限公司 Refrigerator with a refrigerator body
CN113915851B (en) * 2021-01-04 2023-07-21 海信冰箱有限公司 Refrigerator with a refrigerator body
CN114001513A (en) * 2021-11-03 2022-02-01 重庆海尔制冷电器有限公司 Refrigeration device

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JP2003090671A (en) * 2001-09-17 2003-03-28 Daiwa Industries Ltd Preventive device of condensation for center pillar of refrigerator
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CN101413747A (en) * 2007-10-19 2009-04-22 苏州三星电子有限公司 Improved refrigerator with temperature-variable room
CN202024565U (en) * 2011-03-14 2011-11-02 海尔集团公司 Air flue assembly for refrigerator and refrigerator with same
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CN109696010A (en) 2019-04-30

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