WO2018233460A1 - Réfrigérateur à refroidissement à air forcé - Google Patents

Réfrigérateur à refroidissement à air forcé Download PDF

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Publication number
WO2018233460A1
WO2018233460A1 PCT/CN2018/088960 CN2018088960W WO2018233460A1 WO 2018233460 A1 WO2018233460 A1 WO 2018233460A1 CN 2018088960 W CN2018088960 W CN 2018088960W WO 2018233460 A1 WO2018233460 A1 WO 2018233460A1
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WO
WIPO (PCT)
Prior art keywords
air
duct
return
tank
door body
Prior art date
Application number
PCT/CN2018/088960
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English (en)
Chinese (zh)
Inventor
李阳松
付志明
陈国良
李宏志
朱宝平
Original Assignee
海信容声(广东)冷柜有限公司
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 海信容声(广东)冷柜有限公司 filed Critical 海信容声(广东)冷柜有限公司
Publication of WO2018233460A1 publication Critical patent/WO2018233460A1/fr

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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
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
    • F25D17/04—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
    • F25D17/06—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation
    • 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
    • F25D2317/00—Details 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
    • F25D2317/06—Details 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
    • F25D2317/065—Details 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 return

Definitions

  • the present disclosure relates to the field of refrigeration equipment, and in particular to an air-cooled refrigerator.
  • the refrigeration principle of refrigeration equipment mainly includes direct cooling and air cooling.
  • the air-cooled refrigeration equipment has the advantage of no frost, and is favored by users.
  • cold air is blown into the interior of the freezer to cool the items stored in the freezer.
  • the top temperature is high, and the temperature distribution is uneven, which in turn affects the quality of the items stored in the freezer.
  • Some embodiments of the present disclosure provide an air-cooled refrigerator, including a box body and a door body.
  • the door body is disposed on a box frame at an opening of the box body, and the box body is provided with a box return air passage that is sequentially connected,
  • the evaporator tank and the box are supplied to the air duct.
  • An evaporator is disposed in the evaporator chamber. Both the tank air supply duct and the tank return air passage are in communication with the storage chamber of the tank.
  • a door body air duct is disposed in the door body, and a door body air supply hole is disposed on the door body air passage, and the door body air supply hole is in communication with the storage cavity of the box body.
  • the door air duct is further configured to communicate with the box air supply duct when the door body is closed.
  • 1(a) and 1(b) are a bottom view and a cross-sectional view of a door body of an air-cooled refrigerator according to the related art
  • 2(a) and 2(b) are a schematic structural view of an air-cooled refrigerator according to some embodiments of the present disclosure and a cross-sectional view taken along line A-A;
  • FIG. 3 is a schematic exploded view of a door body of an air-cooled refrigerator according to some embodiments of the present disclosure
  • FIG. 4 is a schematic exploded view of a cabinet of an air-cooled refrigerator according to some embodiments of the present disclosure
  • FIG. 5 is a schematic exploded view of a door body and a cabinet combination of an air-cooled refrigerator according to some embodiments of the present disclosure.
  • FIG. 6 is a schematic side view showing the structure of a tank box of an air-cooled refrigerator according to some embodiments of the present disclosure.
  • first and second are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, features defining “first” and “second” may include one or more of the features either explicitly or implicitly. In the description of the present disclosure, "a plurality of” means two or more unless otherwise stated.
  • FIG. 1 it is a horizontal air-cooled freezer.
  • a duct 02 is arranged in the door body 01 above the refrigerator.
  • the air duct 02 is provided with an air inlet 04 for air inlet and a fan 03 for air outlet.
  • the air near the position of the door body 01 enters the air duct 02 from the air inlet 04, and is blown out by the fan 03, thereby accelerating the air circulation near the door body, so as to promote uniform temperature in the refrigerator.
  • the air inlet 04 and the blower fan 03 are all located on the door body 01, so that only the air with a relatively high temperature near the door body is circulated, and the actual effect is not satisfactory.
  • FIG. 2(a), 2(b), and 3 such as an air-cooled horizontal freezer.
  • the air-cooling refrigerator includes a cabinet 1 and a door body 2, and the door body 2 is disposed on the box frame 11 at the opening of the cabinet 1.
  • the casing 1 is provided with a tank return air passage 12, an evaporator tank 13 and a tank air supply duct 14 which are sequentially connected.
  • An evaporator 3 is disposed in the evaporator chamber 13, and a fan 4 is disposed in the tank supply duct 14. Both the tank air supply duct 14 and the tank return air duct 12 are in communication with the storage chamber 15 of the tank 1.
  • the door body 2 is provided with a door body air passage 21, and the door body air passage 21 is distributed with a door body air supply hole 24, and the door body air supply hole 24 communicates with the storage chamber 15 of the box body 1, and the door body air passage 21 is further It is configured such that when the door body 2 is closed, the door body air passage 21 communicates with the box air supply duct 14.
  • one end of the door body duct 21 is provided with a return air joint 22, and the other end is provided with an air inlet joint 23.
  • a door air supply opening 24 is also disposed on the door air duct 21, and the door body air supply opening 24 communicates with the storage chamber 15 of the casing 1.
  • the inlet frame 16 is provided with an inlet air vent 16 at a position corresponding to the air inlet joint 23, and the return position of the box frame 11 corresponding to the return air connection 22 is provided with a return air. Hole 17.
  • the inlet air vent 16 is in communication with the tank air duct 14, and the return air vent 17 is in communication with the tank return duct 12.
  • the air inlet joint 23 When the door body 1 is closed, the air inlet joint 23 is sealingly abutted with the air inlet air hole 16 to form a cavity connecting the box air supply duct 14 and the door body air duct 21; the return air joint 22 and the return air vent hole 17 are sealed. Docking to form a cavity that connects the door body air duct 21 and the tank return air duct 12.
  • the gas can enter the door body duct 21 from the tank air duct 14, and a part of the gas in the door body duct 21 can enter the storage chamber 15 from the door body air supply hole 24, and a part of the gas from the door body air passage 21 from the other.
  • the return air vent 17 at one end enters the tank return air duct 12.
  • the air in the storage chamber 15 passes through the tank return air duct 12, the evaporator chamber 13 and the tank air supply duct 14 in order to make the storage chamber 15 therein.
  • the air is converted into low temperature air by heat exchange, and re-enters the storage chamber 15 from the tank supply duct 14 to cool the inside of the storage chamber 15.
  • the tank return air duct 12, the evaporator tank 13, the tank air supply duct 14 and the door body air duct 21 are connected. When the fan is in operation, the air is in the body return air duct 12, the evaporator tank 13, and the tank air supply duct 14 And circulating in the door air duct 21 .
  • the air in the storage chamber 15 enters through the tank return air passage 12 communicating with the storage chamber 15, and performs heat exchange at the evaporator 3 to form cold air, which can be supplied from the door body air supply hole 24 and the cabinet.
  • the supply duct 14 enters the storage chamber 15 to cool the interior of the storage chamber 15.
  • gas can enter the door air duct 21 from the box air duct 14; in still other embodiments, the gas can still be blown from the box when the door body is opened.
  • the track 14 enters the door body duct 21.
  • the door body air duct 21 is provided with an air inlet joint 23 at one end, and a door body air supply hole 24 is further distributed on the door body air passage 21, and the door body air supply hole 24 and the box body are arranged.
  • the storage chamber 15 of Fig. 1 is in communication, and the other positions of the door body air passage 21 except the air inlet joint 23 and the door body air supply opening 24 are closed.
  • An air inlet vent 16 is disposed at a position corresponding to the air inlet joint 23 of the box frame 11.
  • the air inlet vent 16 is in communication with the box air supply duct 14, and the air inlet joint 23 is sealingly butted with the air inlet vent 16 to form a communication.
  • the chamber is provided with a duct 14 and a cavity of the door duct 21 .
  • the gas enters the door air duct 21 from the tank air supply duct 14, and the gas in the door body air passage 21 enters the storage chamber 15 through the door body air supply hole 24. Since the air inlet joint 23 and the inlet air outlet 16 are sealingly butted to form a cavity connecting the box air supply duct 14 and the door body air duct 21, no gas is supplied from the tank air supply duct regardless of whether the door body is opened or closed or not. 14 enters the door air duct 21, and carries out the storage chamber 15 through the door air supply hole 24. At this time, it is not necessary to provide a return air hole on the box.
  • the air circulation is performed not only in the tank return air duct 12 and the tank air supply duct 14, but also The door air duct 21 is carried out, and the circulating air in the door body duct 21 is cold air which is exchanged with the evaporator 3, so that the temperature distribution at each position in the storage chamber 15 can be made uniform, which is advantageous for the storage of articles.
  • the cabinet air duct 14 includes The main air supply duct 141 and the upper air supply duct 142, the inlet of the main air supply duct 141 is in communication with the evaporator tank 13, the fan 4 is disposed in the main air supply duct 141, and the main air supply duct 141 includes a first air outlet 1411 and a Two air outlets 1412, the first air outlet 1411 communicates with the inlet of the upper air supply duct 142, the second air outlet 1412 communicates with the air inlet vent 16 of the box frame 11, and the outlet of the upper air supply duct 142 and the storage chamber 15
  • the upper space is connected, and the inlet air vent 16 communicates with the
  • the tank return air passage 12 in order to avoid affecting the return air effect due to object occlusion, as shown in FIG. 2( a ) and FIG. 2( b ), the tank return air passage 12 includes a main return air passage 121 and a lower return air passage. 122 and return air duct 123.
  • the outlet of the main return air passage 121 is in communication with the evaporator compartment 13 .
  • the main return air passage 121 includes a first air inlet 1211 and a second air inlet 1212.
  • the first air inlet 1211 communicates with the outlet of the lower return air passage 122.
  • the tuyere 1212 is in communication with the outlet of the return air duct 123.
  • the inlet of the lower return air passage 122 communicates with the lower space of the storage chamber 15.
  • the inlet of the return air duct 123 is in communication with the return air connection 22.
  • the return air duct 123 is in communication with the main return duct 121, and the lower return duct 122 is also in communication with the main return duct 121.
  • the lower return duct 122 and the return air duct 123 are simultaneously directed from the lower space of the storage chamber 15.
  • the main return air passage 121 returns to the wind, which can avoid the effect of returning wind due to the obstruction of the article, thereby improving the return air effect and further enhancing the air circulation efficiency.
  • the second air outlet 1412 of the main air supply duct 141 communicates with the air inlet plenum 16 on the box frame 11, that is, the main air supply duct 141 and the door body wind.
  • One end of the passage 21 is connected; the inlet 1231 of the return air duct 123 is in communication with the return air joint 22, that is, the return air duct 123 communicates with the other end of the door air duct 21, as shown in FIG.
  • the air inlet connector 23 is sealingly butted with the air inlet vent 16 and the return air connector 22 is sealingly butted with the return air vent hole 17, which may be a conventional seal. Since the air inlet joint 23 and the return air joint 22 are located on the door body 2, the door body can be opened when needed. Therefore, in order to facilitate the air inlet joint 23 and the inlet air outlet hole 16 to be sealingly butted, and the return air joint 22 and the return air wind The holes 17 are sealingly abutted.
  • the inlet vent 23 and the return vent 22 may both be flexible bellows structures. The flexible bellows can ensure that the inlet joint 23 and the inlet plenum 16 and the return vent 22 are in flexible contact with the return plenum 17 when the door 2 is closed to seal the joint.
  • the mating surface of the air inlet vent 16 and the air inlet joint 23 is a slope 171
  • the mating surface of the return air vent 17 and the return air joint 22 is a slope 171.
  • the door body duct 21 extends along the length of the door body 2 to increase the circulation range of the air-cooled medium.
  • the door body duct 21 extending in the longitudinal direction of the door body 2 extends in the width direction, and has a large span to increase the circulation range.
  • the door body air supply holes 24 are plural and arranged along the length direction of the door body air passage 21.
  • the air supply is uniform, in some embodiments of the present disclosure, The air outlet area of the door air blowing hole 24 gradually increases along the flow direction of the air in the door body air passage 21.
  • the door body 2 is formed by a foaming process. Therefore, the air duct structure in the door body 2 is as shown in FIG. 3: the door body 2 includes a door shell 25 and is disposed inside the door shell 25 The door sill 26, the door shell 25 and the door sill 26 are filled with a foam layer, the door body duct 21 is disposed in the foam layer, and the return air joint 22 and the air inlet joint 23 are at the contact surface of the door lining and the box body. Set through the door biliary 26.
  • the casing 1 also employs a foaming process, and the air duct structure in the casing 1 is as shown in FIGS. 4 and 5:
  • the casing 1 includes a casing 18 and is disposed in the casing
  • the tank 19 in the 18, the main air supply duct 141, the evaporator tank 13, the main return air duct 121, and the return air duct 123 are surrounded by the inner wall of the tank 19 and the duct cover 5 provided in the tank 19.
  • the upper air supply duct 142 and the lower air return duct 122 are surrounded by an outer side wall of the tank 19 and an air duct cover 5 provided outside the tank 19.
  • the main air supply duct 141, the evaporator compartment 13, the main return air duct 121, and the return air duct 123 are surrounded by the inner wall of the tank 19 and the duct cover 5 provided in the tank 19.
  • the air duct cover 5 in order to increase the return air effect, is provided with a plurality of return air openings 124 corresponding to the positions of the main return air passage 121 and the return air duct air passage 123.
  • the air duct cover 5 in order to increase the air blowing effect, is provided with a plurality of air blowing ports 143 corresponding to the position of the main air supply duct 141.
  • two opposite side walls of the storage chamber 15 are correspondingly provided with two upper air supply ducts 142.
  • two lower air supply ducts 122 that is, two upper air supply ducts 142 are provided in the embodiment, and are respectively disposed on two opposite outer side walls of the tank 19, and two lower backs are also provided in this embodiment.
  • the air ducts 122 are two and are disposed below the two upper air supply ducts 142, respectively.
  • the upper air supply duct 142 and the lower air return duct 122 extend along the length direction of the cabinet 1.
  • the upper air supply duct 142 extends along the longitudinal direction of the casing 1, and the upper air supply duct 142 has a plurality of outlets and is arranged along the longitudinal direction of the upper air supply duct 142; the lower return air duct 122 is parallel to the upper air supply duct 142, and the lower return air passage 122 has a plurality of inlets and is arranged along the longitudinal direction of the lower return air passage 122.
  • the upper air supply duct 142 and the lower air return duct 122 extend along the length direction of the cabinet 1 and are respectively provided with a plurality of outlets to increase the air circulation range.
  • the plurality of outlets of the upper air supply duct 142 are the reference numeral 1421 shown in FIG. 4
  • the plurality of inlets of the lower return air passage 122 are the reference numeral 1221 shown in FIG.
  • the air supply amount of the outlets of the plurality of upper air supply ducts 142 is substantially the same.
  • the air supply is uniform, and the air outlet area of the outlet of the upper air supply duct 142 gradually increases along the flow direction of the air in the upper air supply duct 142.
  • the wind since the wind is returned along the lower return air passage 122, the wind force is generated by the suction of the wind speed, and the wind force becomes weaker and weaker along the flow direction of the air, in order to make the plurality of lower return air passages 122
  • the return air volume of the outlet is substantially the same, the air supply is uniform, and the return air area of the outlet of the lower return air passage 122 gradually decreases along the flow direction of the air in the lower return air passage 122.

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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

L'invention concerne un réfrigérateur à refroidissement à air forcé qui comprend un corps d'armoire (1) et un corps de porte (2). Le corps de porte (2) est disposé sur un cadre d'armoire (11) au niveau d'une ouverture du corps d'armoire (1). Le corps d'armoire (1) est pourvu d'un conduit d'air de retour de corps d'armoire (12), d'un compartiment d'évaporateur (13) et d'un conduit d'alimentation en air de corps d'armoire (14) communiquant l'un avec l'autre. Un évaporateur (3) est disposé dans le compartiment d'évaporateur (13). Un ventilateur (4) est disposé dans le conduit d'alimentation en air de corps d'armoire (14). Le conduit d'alimentation en air de corps d'armoire (14) et le conduit d'air de retour de corps d'armoire (12) communiquent avec une cavité de stockage (15) du corps d'armoire (1). Un conduit d'air de corps de porte (21) est disposé dans le corps de porte (2) et est pourvu de trous d'alimentation en air de corps de porte (24). Les trous d'alimentation en air du corps de porte communiquent avec la cavité de stockage (15) du corps d'armoire (1). Le conduit d'air de corps de porte (21) est également conçu pour communiquer avec le conduit d'alimentation en air du corps d'armoire (14) lorsque le corps de porte (2) est fermé.
PCT/CN2018/088960 2017-06-22 2018-05-30 Réfrigérateur à refroidissement à air forcé WO2018233460A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201710481906.3 2017-06-22
CN201710481906.3A CN107246754B (zh) 2017-06-22 2017-06-22 一种风冷卧式冷柜

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WO2018233460A1 true WO2018233460A1 (fr) 2018-12-27

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WO (1) WO2018233460A1 (fr)

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CN108061416A (zh) * 2017-12-01 2018-05-22 海信容声(广东)冷柜有限公司 一种双内胆风冷无霜卧式冷柜
CN108224875A (zh) * 2018-04-13 2018-06-29 合肥美菱股份有限公司 一种卧式无霜双温冷柜
CN109114857B (zh) * 2018-07-09 2023-04-11 青岛海尔特种电冰柜有限公司 卧式风冷冷柜
CN109140863B (zh) * 2018-07-09 2022-11-25 青岛海尔特种电冰柜有限公司 卧式风冷冷柜
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CN108981256B (zh) * 2018-07-09 2020-12-11 青岛海尔特种电冰柜有限公司 卧式风冷冷柜
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CN113154751B (zh) * 2018-12-24 2022-12-30 青岛海尔特种电冰柜有限公司 风冷卧式冷柜
CN117366959A (zh) * 2018-12-24 2024-01-09 青岛海尔特种电冰柜有限公司 卧式冷柜
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JP2020101351A (ja) * 2018-12-25 2020-07-02 アクア株式会社 冷蔵庫
CN111457637B (zh) * 2019-01-22 2023-07-14 青岛海尔特种电冰柜有限公司 冰箱
CN112413963A (zh) * 2019-08-23 2021-02-26 青岛海尔特种电冰柜有限公司 风冷卧式冷柜
CN112413964B (zh) * 2019-08-23 2023-05-16 青岛海尔特种电冰柜有限公司 风冷卧式冷柜
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CN113899143B (zh) * 2020-07-06 2023-08-18 青岛海尔特种电冰柜有限公司 风冷冷柜
CN111765706A (zh) * 2020-07-06 2020-10-13 青岛海尔特种电冰柜有限公司 风冷冷柜门体和具有其的风冷冷柜
CN112797697A (zh) * 2020-12-30 2021-05-14 长虹美菱股份有限公司 一种具有循环风路的冰箱

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CN204944020U (zh) * 2015-06-29 2016-01-06 澳柯玛股份有限公司 一种带循环风道的冷柜门及卧式冷柜
CN106642906A (zh) * 2017-02-17 2017-05-10 合肥美菱股份有限公司 一种卧式无霜冷柜
CN107246754A (zh) * 2017-06-22 2017-10-13 海信容声(广东)冷柜有限公司 一种风冷卧式冷柜

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