WO2020134168A1 - Congélateur horizontal - Google Patents

Congélateur horizontal Download PDF

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Publication number
WO2020134168A1
WO2020134168A1 PCT/CN2019/104122 CN2019104122W WO2020134168A1 WO 2020134168 A1 WO2020134168 A1 WO 2020134168A1 CN 2019104122 W CN2019104122 W CN 2019104122W WO 2020134168 A1 WO2020134168 A1 WO 2020134168A1
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WO
WIPO (PCT)
Prior art keywords
air outlet
air
evaporator
wall
liner
Prior art date
Application number
PCT/CN2019/104122
Other languages
English (en)
Chinese (zh)
Inventor
李大伟
丁剑波
成俊亮
彭灿
刘英志
朱蔚莉
Original Assignee
青岛海尔特种电冰柜有限公司
海尔智家股份有限公司
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Publication date
Application filed by 青岛海尔特种电冰柜有限公司, 海尔智家股份有限公司 filed Critical 青岛海尔特种电冰柜有限公司
Publication of WO2020134168A1 publication Critical patent/WO2020134168A1/fr

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    • 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
    • F25D17/042—Air treating means within refrigerated spaces
    • F25D17/045—Air flow control arrangements
    • 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
    • F25D19/00—Arrangement or mounting of refrigeration units with respect to devices or objects to be refrigerated, e.g. infrared detectors
    • 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
    • F25D21/00—Defrosting; Preventing frosting; Removing condensed or defrost water
    • F25D21/14—Collecting or removing condensed and defrost water; Drip trays
    • 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
    • F25D23/00—General constructional features
    • F25D23/006—General constructional features for mounting refrigerating machinery components

Definitions

  • the invention relates to the technical field of refrigeration equipment, in particular to an air-cooled horizontal freezer.
  • Horizontal freezer is a kind of refrigeration equipment that keeps a constant low temperature. It is a kind of electrical appliance commonly used in life to store food or other items at low temperature, and is widely used in commercial and household fields.
  • the refrigeration principle of the horizontal freezer it is generally divided into direct cooling horizontal freezer and air-cooled horizontal freezer.
  • the direct cooling horizontal freezer is prone to frost in the box during use, while the air-cooled horizontal freezer is due to Has the advantage of frost-free, favored by users.
  • the air-cooled horizontal freezer cold air is blown into the freezer to cool the items stored in the freezer, but due to the large proportion of cold air, it is easy to gather at the bottom of the freezer, so that the bottom temperature in the freezer is low, The top temperature is high and the temperature distribution is uneven, which in turn affects the quality of the stored items.
  • the arrangement of the middle evaporator in the existing air-cooled horizontal freezer also has a significant impact on the cooling effect and user experience.
  • the location of the evaporator is too close to the glass door of the air-cooled horizontal freezer. It will occupy more space.
  • the top of the air duct where the evaporator is located is too close to the glass door body, the outer surface of the glass door body is easily condensed, and the top of the air duct is prone to frost.
  • the horizontal freezer is longer in the width direction or the lateral direction.
  • the air outlet and return air of the existing air duct are often set near the left side and the right side of the horizontal freezer, so that the air supply distance is extended. It is not easy to send air to the opposite side of the box. If the air outlet and return air are set on the same side (left side or right side), the air volume in the middle of the box cavity is small, resulting in uneven temperature in the box.
  • the present invention proposes a horizontal air-cooled refrigerator, which overcomes the problems existing in the refrigeration of the existing horizontal refrigerator.
  • the purpose of the present invention is to provide a horizontal freezer, by changing the installation position of the evaporator and the way of circulating the inner liner stroke, the horizontal freezer has a more uniform temperature distribution, and the glass door above the inner liner is not prone to condensation.
  • the invention provides a horizontal freezer, which includes a box body, the box body includes a box shell and an inner tank, the inner tank is embedded in the box shell, the inner tank has an accommodating portion, and the bottom of the inner tank faces the container
  • the concave portion forms a concave portion, the concave portion has a first side wall, one end of the first side wall is connected to the bottom plate of the liner; the air duct plate is disposed adjacent to the first side wall, the air duct plate and the first side wall The space between them constitutes the evaporator chamber; wherein, the air duct plate is located in the accommodating part.
  • the concave portion further includes a second side wall, and the second side wall and the first side wall are perpendicular to each other.
  • the air duct plate includes a first cover plate and a second cover plate, the first cover plate is parallel and opposite to the first side wall, and the second cover plate is parallel and opposite to the bottom plate.
  • the top surface of the first cover plate is flush with the top surface of the second side wall.
  • the first cover plate and the second cover plate are perpendicular to each other.
  • the liner includes a first inner liner wall and a second inner liner wall disposed oppositely;
  • the horizontal refrigerator further includes a fan group, and the fan group is disposed on the first liner wall and the evaporator Between the chambers.
  • an evaporator is further included, and the evaporator is disposed in the evaporator chamber, and the second end of the evaporator near the fan group is higher than the first end of the evaporator away from the fan group The second end is opposite to the first end.
  • the evaporator is arranged horizontally.
  • a water receiving box is further provided, the water receiving box is disposed between the evaporator and the bottom plate, and the water receiving box includes a water outlet, the water outlet is located in the water receiving box away from the fan group Side.
  • a plurality of groups of air outlets are provided on the wall of the first liner, and a plurality of groups of air outlet cover plates are provided in the accommodating portion, and the air outlet cover plates correspond to the plurality of groups of air outlet ports in one-to-one correspondence.
  • the air outlet cover plate is provided with an air outlet microstructure corresponding to the area where the air outlet opening of each air outlet is located.
  • the air outlet microstructure includes an air outlet microhole, and the air outlet microhole penetrates the air outlet cover plate.
  • the air outlet micropores extend diagonally upward from the outer surface of the air outlet cover plate toward the inner surface of the air outlet cover plate and penetrate the air duct plate, wherein the outer surface and the inner surface Oppositely, the air outlet microhole controls the air outlet direction of the plurality of air outlets to be downwind air.
  • the bottom plate is bent toward the accommodating portion to form the concave portion.
  • the evaporator chamber is located on one side of the concave portion at the bottom of the liner; the inner wall of the liner on the opposite side of the liner is provided with a plurality of air outlets and return air outlets, respectively. Adjust the position of the evaporator chamber and the air outlet return air inlet, shorten the distance between the air outlet and the air return, effectively maintain the temperature balance in the liner, and avoid condensation on the glass door.
  • the evaporator is arranged horizontally in the evaporator chamber, and the second end of the evaporator close to the fan group is higher than the first end, which not only facilitates the defrosting water to be discharged outside the evaporator chamber, but also prevents the fan group from inhaling the defrosting water And cause anomalies.
  • FIG. 1 is a partial structural diagram of a horizontal freezer in a first embodiment of the present invention.
  • FIG. 2 is a schematic diagram of the inner tank and the cabinet of the horizontal refrigerator in FIG. 1 after being disassembled.
  • FIG. 3A is an exploded schematic view of the horizontal refrigerator in FIG. 1.
  • FIG. 3B is an enlarged schematic view of the area a in FIG. 3A.
  • FIG. 3C is a schematic diagram of the evaporator in FIG. 3A.
  • 4A to 4C are schematic cross-sectional views of the horizontal refrigerator in FIG. 1 from different viewing angles.
  • 5A to 5C are schematic cross-sectional views of a horizontal freezer in a second embodiment of the present invention under different viewing angles.
  • 6A to 6C are schematic cross-sectional views of a horizontal refrigerator in a third embodiment of the present invention under different viewing angles.
  • FIG. 7A is a schematic top view of a horizontal refrigerator in a fourth embodiment of the present invention.
  • FIG. 7B and 7C are schematic cross-sectional views of a horizontal refrigerator in a fourth embodiment of the present invention at different viewing angles.
  • 7D and 7E are schematic diagrams of the air duct plate of the horizontal refrigerator in the fourth embodiment of the present invention.
  • 7F is a schematic cross-sectional view of the evaporator of the horizontal freezer in the fourth embodiment of the present invention.
  • FIG. 8A is a schematic top view of a horizontal freezer in a fifth embodiment of the invention.
  • 8B to 8D are schematic cross-sectional views of a horizontal refrigerator in a fifth embodiment of the present invention at different viewing angles.
  • FIG. 1 is a schematic diagram of a partial structure of a horizontal refrigerator in the first embodiment of the present invention
  • FIG. 2 is a schematic diagram of the inner tank and cabinet of the horizontal refrigerator in FIG. 1 after being exploded
  • FIG. 3A is an exploded view of the horizontal refrigerator in FIG. 1
  • 3B is an enlarged schematic view of the area a in FIG. 3A
  • FIG. 3C is a schematic view of the evaporator in FIG. 3A
  • FIGS. 4A to 4C are schematic cross-sectional views of the horizontal freezer in FIG. 1 at different viewing angles.
  • a first embodiment of the present invention provides a horizontal refrigerator 100, in particular to an air-cooled horizontal refrigerator, which includes a cabinet and a door (not shown), the door Located above the cabinet, the door includes, for example, transparent glass, and the user can observe the items stored in the cabinet through the transparent glass; the cabinet includes, for example, the cabinet 10, the foam layer 90, and the liner 20, where the foam layer 90 is located Between the case 10 and the liner 20, the foam layer 90 is made of thermal insulation material.
  • the liner 20 is embedded in the accommodating space 11 of the case 10.
  • the liner 20 has an accommodating portion 21.
  • the accommodating portion 21 stores items to be frozen or refrigerated.
  • the bottom of the liner 20 is recessed toward the accommodating portion 21.
  • the concave portion 22 has a first side wall 221, and one end of the first side wall 221 is connected to the bottom plate 25 of the liner 20, or the first side wall 221 extends from the bottom plate 25 toward the accommodating portion 21; 30 is disposed adjacent to the first side wall 221, and the space between the air duct plate 30 and the first side wall 221 constitutes an evaporator chamber, and the evaporator 50 is disposed in the evaporator chamber; wherein, the air duct plate 30 is located in the housing Department 21.
  • the concave portion 22 further includes a second side wall 222, and the second side wall 222 and the first side wall 221 are perpendicular to each other, that is, the first side wall 221 and the second side wall 222 form a right angle structure, preferably, the first side
  • the wall 221 is perpendicular to the bottom plate 25, for example, one end of the first side wall 221 is vertically connected to the edge of the bottom plate 25; the second side wall 222 is perpendicular to the third liner wall 26 of the liner 20, and one end of the second side wall 222 is The lower edges of the three inner gallbladder walls 26 are vertically connected.
  • the concave portion 22 can be regarded as a right-angle step structure formed by bending the bottom plate 25 toward the accommodating portion 21, but it is not limited thereto.
  • the first side wall 221 of the concave portion 22 can be bent toward the accommodating portion 21 by the bottom plate 25, and the second side wall 222 can be bent toward the accommodating portion by the third liner wall 26, and makes the first The one side wall 221 and the second side wall 222 meet and connect with each other in the accommodating portion 21
  • the air duct plate 30 includes a first cover plate 31 and a second cover plate 32, the first cover plate 31 and the second cover plate 32 are perpendicular to each other, for example, and the first cover plate 31 is parallel to and opposed to the first side wall 221 of the recess 22, The top surface of the second cover plate 32 and the top surface of the second side wall 222 of the recess 22 are flush with each other.
  • the space between the first side wall 221, the first cover plate 31 and the second cover plate 32 is an evaporator chamber, and the evaporator 50 is disposed in the evaporator chamber.
  • the bottom plate 25 of the liner 20 is provided with a mounting groove (not shown) corresponding to the area of the evaporator chamber, so that the evaporator 50 can be positioned in the mounting groove.
  • the evaporator 50 and the fan group 60 can be pre-assembled on a mounting plate (not shown).
  • the mounting plate is fixed in the installation slot by screwing or the like.
  • the fan group 60 is located in the evaporation Between the device chamber and the first liner wall 23 of the liner 20.
  • the wind turbine 60 may further include a housing assembly, which is filled in the gap between the evaporator chamber and the first inner wall 23.
  • the air duct plate 30 is provided with a fixing hole, and the fixing member passes through the fixing hole to fix the air duct plate 30 to the liner 20, but it is not limited to this.
  • the air duct plate 30 may be integrally formed with the recess 22 of the liner 20, that is, the air duct plate 30 may be regarded as the second side wall 222 of the recess 22 extending toward the accommodating portion 21, and then Continue to bend toward the bottom plate 25 to form.
  • the material of the air duct plate 30 may be the same as the material of the liner 20.
  • the liner 20 includes a first inner liner wall 23 and a second inner liner wall 24 that are oppositely arranged.
  • the first inner liner wall 23 and the second inner liner wall 24 extend upward from two opposite sides of the bottom plate 25, respectively;
  • the third liner wall 26 vertically connects the first liner wall 23 and the second liner wall 24 respectively.
  • the inner liner 20 further includes a fourth inner liner wall 27, which is opposite to the third inner liner wall 26.
  • the fourth inner liner wall 27 extends upward from the other side of the bottom plate 25, and is vertically connected to the first The inner gallbladder wall 23 and the second inner gallbladder wall 24, wherein the first inner gallbladder wall 23, the second inner gallbladder wall 24, the third inner gallbladder wall 26, the fourth inner gallbladder wall 27, the bottom plate 25, and the recess 22 are the first The space surrounded by the side wall 221 and the second side wall 222 is the accommodating portion 21 of the liner 20.
  • a plurality of sets of air outlets are provided on the first liner wall 23, and a plurality of sets of air return holes are provided on the second liner wall 24.
  • the plurality of sets of air outlets are used to send the air processed by the evaporator 50 to the accommodating portion 21 of the liner 20 .
  • Multiple sets of return air outlets are used to return the air in the accommodating portion 21 of the liner 20 to the evaporator chamber, and be processed by the evaporator 50 again; the above air supply and return process is regarded as the air of the horizontal refrigerator 100 cycle.
  • the multiple groups of air outlets on the first inner bladder wall 23 include a first air outlet 231, a second air outlet 232, and a third air outlet The air outlet 233 and the fourth air outlet 234, wherein the first air outlet 231 is disposed near the upper edge of the first inner bladder wall 23, and includes a plurality of air outlet openings, the plurality of air outlet openings along the first inner bladder wall 23 is arranged horizontally; the second air outlet 232 is located in the middle of the first inner bladder wall 23, which includes a plurality of air outlet openings, the plurality of air outlet openings are arranged along the lateral direction of the first inner bladder wall 23, the first inner The middle of the gallbladder wall 23 is located between the upper edge of the first inner gallbladder wall 23 and the lower edge of the first inner gallbladder wall 23; the third air outlet 233 is provided on the lower edge of the first inner gallbladder wall 23, the first inner gallbladder wall.
  • the number of air outlet openings of the second air outlet 232 is smaller than the number of air outlet openings of the first air outlet 231, and the number of air outlet openings of the third air outlet 233 and the fourth air outlet 234 The number is one, but not limited to this.
  • the multiple return air outlets include a first return air outlet 241 and a second return air outlet 242.
  • the first return air outlet 241 is disposed in the middle of the second inner bladder wall 24, and includes a plurality of return air openings along the plurality of return air openings.
  • the second inner bladder wall 24 is arranged horizontally, and the middle of the second inner bladder wall 24 is located between the upper edge of the second inner bladder wall 24 and the lower edge of the second inner bladder wall 24; the second return air opening 242 is provided in the second inner
  • the lower edge of the gallbladder wall 24 includes a plurality of return air openings, which are arranged laterally along the second inner gallbladder wall 24.
  • the lower edge of the second inner gallbladder wall 24 is close to the bottom plate 25; Each return air opening penetrates the second inner bladder wall 24 respectively.
  • the number of return air openings in the second air outlet 242 is smaller than the number of return air openings in the first air outlet 241.
  • both the first inner wall 23 and the second inner wall 24 are inner wall extending along the width direction of the horizontal refrigerator 100 or laterally
  • the third inner wall 26 and the fourth inner wall 27 are inner liner walls extending along the longitudinal direction or longitudinal direction of the horizontal refrigerator 100; in other words, the bottom plate 25 includes a pair of long sides and a pair of short sides, and the first inner liner wall 23 and the second inner liner wall 24 are respectively provided On the pair of long sides, the third liner wall 26 and the fourth liner wall 27 are respectively provided on a pair of short sides.
  • the maximum lengths of the first liner wall 23 and the second liner wall 24 are greater than those of the third liner wall 26 and the fourth liner wall 27, respectively. length.
  • the above-mentioned air outlets and return air outlets are provided on the lateral walls of the horizontal refrigerator 100 which are opposite to each other, which shortens the air supply distance, which is beneficial to the temperature balance of each area in the inner tank 20.
  • a food basket (not shown) is generally provided in the horizontal freezer 100.
  • the food basket is placed on the upper layer of the accommodating portion 21, preferably, the first air outlet 231 located above the first inner wall 23 is higher than the food
  • the upper edge of the basket is located in the middle of the first inner wall 23 and the second air outlet 232 is parallel to or slightly lower than the lower edge of the food basket.
  • the first air return opening 241 located in the middle of the second inner wall 24 is lower than the lower edge of the food basket.
  • a third air outlet 233 is added to the lower edge of the first inner bladder wall 23 close to the corner of the fourth inner bladder wall, and the first inner bladder wall 23 is close to the first
  • a fourth air outlet 234 is added at the second side wall 222, thereby avoiding a region where the accommodating portion 21 has a blind corner.
  • first inner liner wall 23 is also provided with an air passage connection hole 235
  • second inner liner wall 24 is provided with a return air passage connection hole 243
  • the air outlet connection hole 235 and the return air passage connection hole 243 respectively communicate with the evaporator
  • the fan group 60 is close to the air outlet connecting hole 235, and the fan group 60 is, for example, a centrifugal fan or an axial fan.
  • An air duct groove 85 is provided between the first inner liner wall 23 and the cabinet shell 10, and a return air duct groove 86 is provided between the second inner liner wall 24 and the cabinet shell 10, wherein the air duct groove 85 communicates with multiple sets of outlets
  • the air outlet and the air outlet connection hole 235, the return air passage groove 86 respectively connects a plurality of sets of the return air outlet and the return air passage connection hole 243
  • the air passage between the air outlet groove 85 and the first inner wall 23 is the air outlet passage
  • the air passage between the return air channel 86 and the second inner wall 24 is a return air channel.
  • the air sent by the fan unit 60 enters the air outlet from the air outlet connection hole 235 and then enters the accommodating portion 21 of the liner 20 through the plurality of sets of air outlets.
  • the air in the accommodating portion 21 of the liner 20 is blown by the fan group 60 is sucked into the evaporator chamber through the return air channel and then through the return air channel connection hole 243 from the return air port, and the sucked air is filtered by the evaporator 50 to remove water vapor.
  • the air outlet groove 85 is fixed to the side of the first inner wall 23 facing the cabinet 10
  • the air return groove 86 is fixed to the side of the second inner wall 24 facing the cabinet 10.
  • the bubble layer 90 is filled between the inner liner 20 and the case 10 so that the air outlet groove 85 and the return air groove 86 exist in the foam layer.
  • a plurality of sets of air outlet cover plates are also arranged in the accommodating 21 of the inner liner 20, and the multiple sets of air outlet cover plates correspond to the multiple sets of air outlets one by one, and the multiple sets of air outlet cover plates are respectively provided for adjusting the air supply volume and air supply of the air outlets
  • the air outlet microstructures in the wind direction correspond to the air outlet openings one by one.
  • the air outlet microstructures include, but are not limited to, openings and slots that penetrate the air outlet cover.
  • the air outlet cover plate can be combined with the first inner bladder wall 23 by welding, snapping, screw locking, etc., but not limited to this.
  • multiple sets of air outlet cover plates may be integrally formed with the inner wall of the inner bladder, and the air outlet cover plate (or inner wall) may be hollowed out at positions corresponding to the multiple sets of air outlets to form a wind outlet micro Structure to adjust the air volume and direction of the air outlet.
  • multiple sets of air outlet cover plates include a first air outlet cover plate 81, a second air outlet cover plate 82, a third air outlet cover plate 87, and a fourth air outlet cover plate 88.
  • the first air outlet cover plate 81 is adapted to the first air outlet 231
  • the second air outlet cover 82 is adapted to the second air outlet 232
  • the third air outlet cover 87 is adapted to the third air outlet 233
  • the plate 88 is adapted to the fourth air outlet 234.
  • the first air outlet cover 81 will be taken as an example to describe the air outlet microstructure in detail.
  • the air outlet microstructure on the first air outlet cover 81 is, for example, a plurality of air outlet holes 811, the air outlet holes 811 penetrate the upper air outlet cover 81, and the air outlet holes 811 obliquely penetrate the air outlet cover 81, That is, along the thickness direction of the air outlet cover 81, the air outlet microholes 811 extend diagonally upward from the outer surface of the air outlet cover 81 toward the inner surface of the air outlet cover 81 and penetrate the upper air duct plate 81 to achieve The upper air outlet cover 81 tilts down to supply air.
  • the outer surface is opposite to the inner surface, the outer surface faces the second inner bladder wall 24, and the inner surface faces the first inner bladder wall 23.
  • the air outlet micro-holes 811 may be hexagonal, circular, elliptical, quadrangular, etc. shaped openings.
  • the air outlet micro-holes 811 for down-drafting can also be provided in the second air outlet cover 82, the third air outlet cover 87 and the fourth air outlet cover 88.
  • the downward air supply method is conducive to transferring the airflow to the bottom of the freezer, and is convenient for the airflow circulation at the bottom of the freezer.
  • a style grille may be provided at the air outlets of the plurality of airflow cover plates, and the grille blades of the style grille are inclined toward the bottom of the liner.
  • the air outlet grille and the air outlet micro-holes can be provided on the air outlet cover at the same time.
  • the second inner liner wall 23 of the inner liner 20 is also provided with multiple sets of return air cover plates (not shown).
  • the multiple return air cover plates correspond to the multiple sets of return air ports one by one.
  • the return air cover plates are provided for adjusting the return air volume and The return air microstructure in the return air direction.
  • the return air microstructure includes, but is not limited to, openings, slots and the like penetrating through the return air cover plate.
  • the return air cover can be combined with the second inner wall 24 by means of snapping or screw locking, but not limited to this.
  • multiple sets of return air cover plates can be integrally formed with the inner wall of the liner, and the return air microplate can be formed by hollowing out the return air cover plate (or inner wall) at the corresponding return air position to achieve Adjust the air volume and direction of the air outlet.
  • multiple sets of return air cover plates include a first return air cover plate 83 and a second return air cover plate 84.
  • the first return air cover plate 83 is adapted to the second return air port 241, and the first return air cover
  • the plate 84 is adapted to the second return air port 242.
  • the first return air cover plate 83 and the second return air cover plate 84 can be provided with return air microstructures respectively.
  • the return air microstructures are similar to the outlet air microstructures.
  • the openings, the shape of the slots and the inclination direction of the return air microstructure can be changed to obtain the best return air results.
  • the evaporator 50 in the horizontal freezer 100 is located in the middle of the evaporator chamber.
  • the evaporator 50 includes a first end 51 and a second end 52.
  • the first end 51 is close to the second liner Wall 24, the second end 52 is close to the fan group 60, and the fan group 60 is close to the first inner wall 23, wherein the first end 51 is lower than the second end 52, that is, the evaporator 50 is close to the first
  • the second end 52 is higher than the first end 51 of the evaporator 50 close to the second liner wall 24, so that the defrosting water in the evaporator 50 flows from the second end 52 toward the first end 51, facilitating defrosting water At the same time, it avoids inhaling defrosting water and freezing when the fan group 60 rotates, causing abnormality.
  • a water receiving box 70 is provided below the evaporator 50.
  • the water receiving box 70 is used to receive the defrosted water.
  • the drain 71 of the water receiving box 70 is located near the first end 51, and the drain 71 is provided in the water receiving box 70 away from the fan group
  • One side of the 60 can prevent the fan group 60 from sucking air mixed with defrosted water or other water vapor into the fan group 60 directly, causing the fan group 60 to be frozen by the water vapor and unable to work normally.
  • top insulation layer 41 and the bottom insulation layer 42 are respectively provided on the upper and lower sides of the evaporator 50.
  • the top insulation layer 41 is provided between the air duct plate 30 and the evaporator 50.
  • the shape of the top insulation layer 41 and the air duct plate The shape of 30 is similar; the bottom insulation layer 42 is disposed between the water receiving box 70 and the bottom plate 25; wherein, the top insulation layer 41 and the bottom insulation layer 42 jointly support the evaporator 50.
  • the surfaces of the top insulation layer 41 and the bottom insulation layer 42 facing the evaporator 50 are both inclined structures, and the inclined structure gradually increases from one end close to the second liner wall 24 toward the other end close to the first liner wall 23
  • the oblique upward extension; the evaporator 50 is supported on the above-mentioned inclined surface structure to realize that the first end 51 of the evaporator 50 is lower than the second end 52.
  • the slope structure on the top insulation layer 41 and the bottom insulation layer 42 makes the first end 51 of the evaporator 50 lower than the second end 52 is only a preferred embodiment, but not limited to.
  • a support member may be provided on the bottom plate of the inner tank. The support member makes the second end of the evaporator close to the fan group higher than the first end of the evaporator far from the fan.
  • the evaporator 50 in the horizontal freezer 100, is "horizontal arrangement", “horizontal arrangement” means that when air flows through the evaporator 50 in the flow direction indicated by arrow F, the flow direction of the air is parallel
  • the fins 53 in the evaporator 50 further includes a coil 54 inserted through the plurality of fins 53.
  • a heating tube (not shown) is embedded in the plurality of fins 53 of the evaporator 50, and the heating tube provides heat to perform defrosting operation on the frost condensed in the evaporator 50.
  • the air circulation in the horizontal freezer 100 includes the supply air and the return air.
  • the fan group 60 starts to suck the air on the side of the evaporator 50.
  • the above air enters the air outlet through the air outlet connection hole 235, and then passes through multiple groups of air outlets and groups
  • the air outlet microstructure of the air outlet cover plate is sent out into the accommodating portion 21 of the liner 20; the air in the liner 20 is affected by the suction force generated by the fan group 60, and the air return microstructure of the air return cover plate passes through The return air opening, the return air passage, and then return air to the evaporator chamber through the return air passage connection hole 243, and flow from the first end 51 toward the second end 52 of the evaporator 50, so that After the air is processed, it is sucked in by the fan 60 and sent out again.
  • the first liner wall 23 when the horizontal refrigerator 100 is in use, the first liner wall 23 is located away from the user, that is, the first liner wall 23 can be regarded as the back side of the horizontal refrigerator 100 and the second inner The gallbladder wall 24 is located on the side close to the user, that is, the second inner gallbladder wall 24 can be regarded as the front side of the horizontal freezer 100. Therefore, the above-mentioned wind circulation can be regarded as the circulation of the wind from the back side and the wind from the front side.
  • the evaporator chamber is provided on one side of the recess 22 (or stepped portion), and the top of the second cover plate 32 of the air duct plate 30 constituting the evaporator chamber
  • the surface is flush with the top surface of the second side wall 222 of the recess 22
  • the inner wall of the inner liner 20 is provided with a plurality of air outlets and return air outlets, which shortens the distance between the air outlet and the return air, which can effectively maintain the inner
  • the temperature inside the bile is balanced; the outlet duct 85 and the return duct 86 are built into the foam layer 90 between the inner tank 20 and the cabinet 10, and do not occupy the storage space in the accommodating portion 21 of the inner tank 20 ,
  • the space utilization rate is improved; in addition, the evaporator 50 is horizontally arranged in the evaporator chamber, and the second end 52 of the evaporator 50 close to the fan group 60 is higher than the first end 51, which not only facilitates the defrosting water to be evaporate
  • FIGS. 5A to 5C are schematic cross-sectional views of a horizontal refrigerator in a second embodiment of the present invention at different viewing angles.
  • the elements with the same reference numerals in FIGS. 5A to 5C and those in FIGS. 1 to 4C have similar functions, which will not be repeated here.
  • the difference between the horizontal refrigerator 200 in the second embodiment and the horizontal refrigerator 100 in the first embodiment is that: 1) the structure of the air duct plate 210 in the horizontal refrigerator 200 is different; 2) the location of the return air outlet 205 is different ; 3) The wind circulation caused by different positions of the air outlet and return air outlet is different.
  • the bottom of the inner liner 20 of the horizontal freezer 200 is recessed toward the accommodating portion 21 to form a recess 22 (as shown in FIG. 2 ).
  • the recess 22 has a first side wall 221 and a second side wall 222 that are perpendicular to each other.
  • the first side wall 221 is vertically connected to the bottom plate 25 of the liner 20, the air duct plate 210 is disposed near the first side wall 221, and the air duct plate 210 is located in the accommodating portion 21, between the air duct plate 210 and the first side wall 221
  • the space between them constitutes the evaporator chamber, and the evaporator 50 and the fan group 60 are arranged in the evaporator chamber.
  • the air duct plate 210 includes a first cover plate 211, a second cover plate 212, and a third cover plate 213 connected in sequence, the second cover plate 212 is located between the first cover plate 211 and the second cover plate 213, wherein the first The cover plate 211 is parallel to and opposite to the first side wall 221.
  • the first cover plate 211 is provided with a return air port 205.
  • the return air port 205 is located at the lower edge of the first cover plate 211, and the lower edge of the first cover plate 211 is close to Bottom plate 25.
  • the height of the first cover plate 211 is smaller than the height of the first side wall 221.
  • the two opposite ends of the second cover plate 212 are respectively connected to the first cover plate 211 and the third cover plate 213, wherein the top surface of the third cover plate 213 and the top surface of the second side wall 222 of the recess 22 are flush with each other.
  • the second cover plate 212 is a bent structure, one end of the bent structure is connected to the first cover plate 211, and the other end of the bent structure is connected to the third cover plate 213, wherein the bent portion 214 of the bent structure extends toward the evaporator chamber .
  • the bent portion 214 is bent toward the connection between the first side wall 221 and the second side wall 222.
  • the bent portion 214 extending toward the evaporator chamber in the air duct plate 210 substantially makes the space occupied by the evaporator chamber smaller, that is, the space above the evaporator chamber is compressed, and the upper space is compressed by the evaporator chamber
  • the evaporator 50 in may use a flat evaporator to adapt to the above spatial changes. Wherein, due to the arrangement of the second cover plate 212 and its bent portion 214, the space utilization rate of the accommodating portion 21 of the liner 20 of the horizontal refrigerator 200 can be significantly improved.
  • the inner liner 20 of the horizontal refrigerator 200 includes a first inner liner wall 23 and a second inner liner wall 24 opposite to each other.
  • the first inner liner wall 23 is provided with a first air outlet 201
  • the second inner liner wall 24 is provided with a second outlet
  • the air outlet 203 wherein the first air outlet 201 is located at the upper edge of the first inner wall 23, and the second air outlet 203 is located at the middle or upper part of the second inner wall 24, so that the first air outlet 201 and the second outlet
  • the air outlets 203 are relatively staggered to avoid mutual interference when the wind is out.
  • the first air outlet 201 includes a plurality of first air outlet openings, the plurality of first air outlet openings penetrate the first inner bladder wall 23, and the plurality of first air outlet openings are along the lateral direction of the first bladder wall 23 Arranged; similarly, the second air outlet 203 includes a plurality of second air outlet openings, the plurality of second air outlet openings penetrate the second liner wall 24, and the plurality of second air outlet openings along the second The inner bladder wall 24 is arranged laterally.
  • the first inner liner wall 23 is provided with a first air outlet connection hole (not shown), and the second inner liner wall 24 is provided with a second air outlet connection hole (not shown).
  • the first air outlet 201 is higher than the upper edge of the food basket; the second air outlet 203 is slightly lower than the lower edge of the food basket.
  • air outlet cover plates can be provided on the air outlet sides of the first air outlet 201 and the second air outlet 203 respectively.
  • the air outlet cover is located in the accommodating portion 21, and the air outlet cover is respectively connected to the first air outlet 201 and the second There is a one-to-one correspondence with the air outlets 203, wherein the air outlet cover plate includes air outlet micro holes (refer to the description of the air outlet micro holes 811 in the first embodiment of the present invention), and the air outlet micro holes come from the outer surface of the air outlet cover plate It extends diagonally upward to the opposite inner side surface of the air outlet cover plate through the air outlet cover plate.
  • the air outlet micro-holes it is possible to make the plurality of air outlets wind downward, that is, toward the bottom of the inner tank 20.
  • the wind outlet can also be replaced with a grille design.
  • a first air outlet groove 202 (as shown by the dotted line in FIG. 5A) is provided between the first inner wall 23 and the box shell 10, and a second air outlet groove 204 ( As shown by the dotted line in FIG. 5B), the first air outlet groove 202 communicates with the first air outlet 201 and the first air outlet connecting hole, and between the first air outlet groove 202 and the first inner wall 23
  • the air passage is the first air outlet;
  • the second air outlet groove 204 communicates with the second air outlet and the second air outlet connecting hole, and the air passage between the second air outlet groove 204 and the second inner wall 24
  • the first air duct connection hole may also be located at the lower edge of the first liner wall 23, and the lower edge of the first liner wall 23 is close to the bottom plate 25; the second air outlet connection hole may also Located in the middle of the second liner wall 24.
  • the return air groove (not shown) is provided in the evaporation chamber, for example, to connect the return air port 205 and the evaporator chamber, and guide the return air to the evaporator chamber to enter the evaporator 50 respectively.
  • the return air flows from the first end of the evaporator 50 toward the second end of the evaporator 50, and the first end is opposite to the second end.
  • the air channel between the return air channel and the air duct plate 210 is a return air channel.
  • the evaporator 50 in the horizontal freezer 200 is "horizontal arrangement", “horizontal arrangement” means that when air flows through the evaporator 50 in the flow direction indicated by the arrow F, the flow direction of the air is parallel to the evaporator 50 Fins 53 (as shown in Figure 3C).
  • a plurality of fins of the evaporator 50 are embedded with a heating tube, and the heating tube provides heat to perform defrosting operation on the frost condensed in the evaporator 50.
  • the second end of the evaporator 50 close to the fan group 60 is lower than the first end of the evaporator 50 far from the fan group 60.
  • the fan group 60 is, for example, a centrifugal fan, the fan group 60 is disposed between the first side wall 221 and the evaporator chamber, and the evaporator 50 is disposed between the first cover plate 211 and the fan group 60 between.
  • the third cover plate 213 of the air duct plate 210 can be regarded as a part of the housing of the fan group 60.
  • the air unit 60 When the air unit 60 sends air, it distributes the inhaled air to the first outlet connection hole of the first inner liner wall 23 through the first distribution channel 1 and to the second inner liner wall 24 through the second distribution channel 2 In the connecting hole of the second air outlet.
  • the first splitting channel 1 and the second splitting channel 2 can be provided by providing corresponding first splitting partitions and second splitting partitions in the evaporator chamber, wherein the first splitting partitions and the first side wall 221 The space is the first shunt channel 1; the space between the second shunt partition and the first side wall 222 is the second shunt channel 2, but not limited to this.
  • the first branch channel and the second branch channel are, for example, a pipe structure
  • the air inlet of the pipe structure communicates with the fan group
  • the air outlet of the pipe structure is connected to the first air outlet or the second air outlet
  • the connecting holes are connected.
  • the air circulation of the horizontal freezer 200 includes the supply air and the return air.
  • the fan group 60 sucks the air on the side of the evaporator 50 and enters the first connecting the first outlet connecting hole and the second outlet connecting hole In the diversion channel 1 and the second diversion channel 2, through the first air outlet connection hole and the second air outlet connection hole, they enter the first air outlet and the second air outlet respectively; and then pass through the corresponding first air outlet 201
  • the second air outlet 203 sends air into the inner liner 20; the air in the inner liner 20 is guided into the evaporator chamber from the return air port 205 of the first cover plate 211 through the return air channel groove, and the return air channel groove will The air in 20 is guided to the evaporator 50, flows from the first end to the second end of the evaporator 50, is sucked into the fan unit 60 again, and is sent out.
  • the first inner wall 23 is located away from the user, that is, the first inner wall 23 can be regarded as the back side of the horizontal refrigerator 100, and the second inner wall 24 is located Close to the user's side, that is, the second liner wall 24 can be regarded as the front side of the horizontal refrigerator 100, and the first cover plate 211 is close to the bottom plate 25, therefore, the above-mentioned air circulation can be regarded as the back side and the front side out Wind, return air circulation at the bottom.
  • the second cover plate 212 of the air duct plate 210 has a bent portion 214, and the bent portion 214 lowers the distance between the air duct plate 210 and the first side wall 221 of the recess 22
  • the occupied space of the evaporator chamber improves the space utilization rate of the accommodating portion 21 of the liner 20.
  • the opposite sides of the inner bladder wall are also provided with air, and the inner bladder is near the bottom of the return air circulation.
  • FIGS. 6A to 6C are schematic cross-sectional views of a horizontal refrigerator in a third embodiment of the present invention at different viewing angles. Among them, the elements with the same reference numerals in FIGS. 6A to 6C as in FIGS. 1 to 4C have similar functions, which are not repeated here.
  • the difference between the horizontal freezer 300 provided in the third embodiment of the present invention and the horizontal freezer 100 provided in the first embodiment of the present invention is that 1) the structure of the concave portion of the liner 20 is different; 2) the structure of the air duct plate 310 is different from The structure of the air duct plate 30 is different; 3) The wind circulation in the liner 20 is different.
  • the bottom of the inner liner 20 of the horizontal freezer 300 forms a concave portion toward the accommodating portion 21, the concave portion is an arc-shaped side wall 223, one end of the arc-shaped side wall 223 is connected to the bottom plate 25, and the opposite side of the arc-shaped side wall 223 One end is connected to the third inner wall 26;
  • the air duct plate 310 is disposed on one side of the arc-shaped side wall 223 and is located in the accommodating portion 21, and the space between the air duct plate 310 and the arc-shaped side wall 223 constitutes an evaporator cavity Chamber, the evaporator 50 is disposed in the evaporator chamber; preferably, the arc-shaped side wall 223 has a slope, and the evaporator 50 is combined with the slope of the arc-shaped side wall 223.
  • the concave portion at the bottom of the liner 20 in the horizontal refrigerator 300 replaces the first side wall 221 and the second side wall 222 of the concave portion 22 at the bottom of the liner 20 in the horizontal refrigerator 100 by the arc-shaped side wall 223.
  • the arc-shaped side wall 223 extends diagonally upward from the bottom plate 25 toward the third liner wall 25 to connect the bottom plate 25 and the third liner wall 26 respectively.
  • the arc-shaped side wall 223 is formed by bending the bottom plate 25 toward the accommodating portion 21, for example.
  • the air duct plate 310 includes a first cover plate 311, a second cover plate 312, and a third cover plate 313, wherein the first cover plate 311 is substantially parallel to the obliquely extending area of the arc-shaped side wall 223, and the second cover plate 312 The two ends of the two are respectively connected to the first cover plate 311 and the bottom plate 25 of the liner 20, the angle between the second cover plate 312 and the first cover plate 311 is an obtuse angle; the third cover plate 313 is connected to the first cover plate 311 and The angle between the third inner wall 26, the third cover 313 and the first cover 311 is also an obtuse angle.
  • the first cover plate 311 since the first cover plate 311 is substantially parallel to the obliquely extending area of the arc-shaped side wall 223, that is, the first cover plate 311 can also be regarded as an obliquely extending cover plate.
  • the liner 20 includes a first inner liner wall 23 and a second inner liner wall 24.
  • the first inner liner wall 23 is provided with a first air outlet 301
  • the second inner liner wall 24 is provided with a second air outlet 303.
  • One air outlet 301 is located at the upper edge of the first inner wall 23, and the second air outlet 303 is located at the middle or upper part of the second inner wall 24, so that the first air outlet 301 and the second air outlet 303 are relatively staggered, and It is avoided that the first air outlet 301 and the second air outlet 303 simultaneously emit air and interfere with each other.
  • the first air outlet 301 includes a plurality of first air outlet openings, the plurality of first air outlet openings penetrate the first liner wall 23, and the plurality of first air outlet openings are along the lateral direction of the first liner wall 23 Arranged; similarly, the second air outlet 303 includes a plurality of second air outlet openings, the plurality of second air outlet openings penetrate the second liner wall 24, and the plurality of second air outlet openings along the second The inner bladder wall 24 is arranged laterally.
  • a third air outlet 307 is provided on the third inner container wall 26 of the inner container 20, the third inner container wall 26 is located between the first inner container wall 23 and the second inner container wall 24, and the third air outlet 307 emits air The position is slightly lower than the first air outlet 301 (as shown in FIG. 6C).
  • the first air outlet 301 is higher than the upper edge of the food basket; the second air outlet 303 and the third air outlet 307 are respectively slightly lower than the lower edge of the food basket .
  • air outlet cover plates can be provided on the air outlet sides of the first air outlet 301, the second air outlet 303, and the third air outlet 307, respectively, and the air outlet cover includes air outlet micro holes (refer to the first embodiment of the present invention) Description of the air outlet micropores 811), the air outlet micropores extend diagonally upward from the outer surface of the air outlet cover plate to the opposite inner surface of the air outlet cover plate penetrating the air outlet cover plate.
  • a first air outlet groove 302 (shown by a dotted line in FIG. 6A) is provided between the first liner wall 23 and the cabinet 10, and a second air outlet groove 304 is provided between the second liner wall 24 and the cabinet 10 ( 6B), a third air outlet groove 308 is provided between the third liner wall 26 and the cabinet 10, and the first air outlet groove 302 to the third air outlet groove are respectively fixed to the inner liner 20.
  • the first to third air outlet grooves 302 to 308 do not occupy the space of the accommodating portion 21 of the inner gallbladder 20.
  • first air outlet groove 302 communicates with the first air outlet 301 and the first air passage connection hole (not shown), the air passage between the first air outlet groove 302 and the first inner wall 23 is the first One air duct;
  • the second air duct groove 304 communicates with the second air outlet 303 and the second air duct connecting hole (not shown), the air between the second air duct groove 304 and the second inner wall 24
  • the channel is the second air outlet;
  • the third air outlet groove 308 connects the third air outlet 307 and the third air outlet connection hole, and the air passage between the third air outlet groove 308 and the third inner wall 26 is The third air outlet; wherein, the first air outlet connection hole, the second air outlet connection hole and the third air outlet connection hole can be provided in the first inner bladder wall 23, the second inner bladder wall 24 and the first Three inner gallbladder walls 26, but not limited to this.
  • the first to third air duct connection holes may be combined into one, for example, provided on the third liner wall of the liner.
  • the first air duct groove and the second The structure of the air duct groove and the third air duct groove realizes the effect that one air duct connection hole simultaneously sends air to multiple air duct grooves.
  • the airflow channel formed between the third cover plate 313 and the corresponding partial arc-shaped side wall 223 is used to communicate the first to third air passage connection holes.
  • the air return opening 305 is disposed on the second cover plate 312.
  • the air return opening 305 is disposed on the lower edge of the second cover plate 312, and the lower edge of the second cover plate 312 is close to the bottom plate 25.
  • the return air opening 305 includes, for example, a plurality of return air openings. The return air openings penetrate the second cover plate 312 and are arranged longitudinally along the surface of the second cover plate 312.
  • the return air channel groove (not shown) is provided in the evaporator chamber, for example, for connecting the return air port and the evaporator cavity, and the return air channel groove guides the return air entering the evaporator cavity into the evaporator 50
  • the return air is circulated from the first end 51 of the evaporator 50 toward the second end 52 of the evaporator 50.
  • the air circulation channel between the return air channel and the air channel plate 310 is a return air channel.
  • the fan group 60 and the evaporator 50 are arranged on the surface of the arc-shaped side wall 223 in sequence, the fan group 60 is located above the evaporator 50, and the fan group 60 is close to the inner container provided in the inner container 20
  • the air outlet connecting hole on the wall, the evaporator 50 is close to the bottom plate 25 of the liner 20.
  • the evaporator 50 is substantially provided by the arc-shaped side wall 223, and the arc-shaped side wall 223 makes the evaporator 50 closer to the second end 52 of the fan group 60 and higher than the evaporator 50 away from the wind The first end 51 of the unit 60.
  • the function of the arc-shaped side wall 223 is similar to that of the top insulation layer 41 and the bottom insulation layer 42 having the inclined structure in the horizontal refrigerator 100 in the first embodiment of the present invention, that is, to maintain the tilt of the evaporator 50.
  • the cooperative action of the arc-shaped side wall 223 and the first cover plate 311 that is substantially parallel thereto can further reduce the space occupied by the evaporator chamber and improve the space utilization of the liner 20.
  • the evaporator 50 in the horizontal freezer 300 is “horizontal arrangement", “horizontal arrangement” means that when air flows through the evaporator 50 in the flow direction indicated by arrow F, the flow direction of the air is parallel to the evaporation
  • the fins 53 in the device 50 (as shown in FIG. 3C).
  • a plurality of fins of the evaporator 50 are embedded with a heating tube, and the heating tube provides heat to perform defrosting operation on the frost condensed in the evaporator 50.
  • the air circulation of the horizontal freezer 300 includes supply air and return air.
  • the number of air duct connection holes can be one or more) respectively enter the first air outlet, the second air outlet, and the third air outlet, and then pass through the corresponding first air outlet 301, second air outlet 303, and the first
  • the three air outlets 307 enter the inner liner 20; the air in the inner liner 20 returns from the return air port 305 and enters the evaporator chamber through the return air channel groove.
  • the evaporator 50 treats the return air, it is again The air unit 60 sucks in and sends it out.
  • the first liner wall 23 is away from the user, for example, on the back side of the horizontal refrigerator 200; the second liner wall 24 is close to the user, for example, on the front side of the horizontal refrigerator 200; the third liner wall For example, 26 is located on the right side of the user; the air return opening 205 on the second cover plate 312 is close to the bottom plate 25 of the liner 20.
  • the process of the above-mentioned wind circulation can be regarded as that the back side, the front side and the right side simultaneously supply air and the bottom returns.
  • the side wall of the concave portion of the liner 20 is set as an arc-shaped side wall
  • the first cover plate of the air duct plate is substantially parallel to the arc-shaped side wall
  • the evaporator is combined with the arc
  • the inclined structure of the side wall further reduces the occupied space of the evaporator chamber between the air duct plate and the arc-shaped side wall of the recess, and improves the space utilization rate of the accommodating portion 21 of the liner 20.
  • the air outlet and the air outlet it also provides the opposite sides of the inner wall and the right side of the three sides to supply the air at the same time, the inner liner close to the bottom of the return air circulation.
  • FIGS. 7A is a schematic top view of a horizontal freezer in a fourth embodiment of the present invention
  • FIGS. 7B and 7C are cross-sectional schematic views of a horizontal freezer in a fourth embodiment of the present invention at different viewing angles
  • FIGS. 7D and 7E are the present invention
  • FIG. 7F is a schematic cross-sectional view of the evaporator of the horizontal refrigerator in the fourth embodiment of the present invention.
  • the elements in FIGS. 7A to 7F that have the same reference numerals as those in FIGS. 1 to 4C have similar functions, which are not described in detail.
  • a horizontal refrigerator 400 is provided in the fourth embodiment of the present invention.
  • the difference between the horizontal refrigerator 400 and the horizontal refrigerator 100 provided in the first embodiment of the present invention is that 1) the duct plate 410 The installation position and structure are different; 2) The evaporator 50' in the evaporator chamber is in a "vertical arrangement"; 3) The evaporator 50' and the inner tank 20 are assembled in different ways.
  • the horizontal freezer 400 includes an inner liner 20.
  • the bottom of the inner liner 20 is recessed toward the accommodating portion 21 of the inner liner 20 to form a recess.
  • the recess includes a first side wall 221 and a second side wall 222 that are perpendicular to each other.
  • One end of the side wall 221 is vertically connected to the bottom plate 25, and the second side wall 222 is vertically connected to the third liner wall 26 of the liner 20;
  • the air duct plate 410 is disposed on one side of the first side wall 21, and the air duct plate 410 and the inner
  • the space between the first inner bladder walls 23 of the bladder 20 constitutes an evaporator chamber, and the evaporator 50' is disposed in the evaporator chamber.
  • the air duct plate 410 includes a first cover plate 411, a second cover plate 412, a third cover plate 413, and a fourth cover plate 414.
  • One end of the first cover plate 411 is vertically connected to the second cover plate 412.
  • the opposite end of the first cover plate 411 is coupled to the first liner wall 23 of the liner 20, the second cover plate 412 is parallel to the first liner wall 23, and the third cover plate 413 is parallel to the fourth cover plate 414 and
  • the third cover 413 and the fourth cover 414 are respectively coupled to the first cover 411 and the second cover 412.
  • the space between the first, second, third, and fourth cover plates 411, 412, 413, 414 and the first liner wall 23 constitutes an evaporator chamber, and the evaporator 50' is installed in the evaporator chamber.
  • the fan group 60 is installed in the evaporator chamber, and the fan group 60 is installed above the evaporator 50'.
  • the position of the air unit 60 above the evaporator 50' means that the fan group 60 is located between the evaporator 50' and the first cover plate 411, and the fan group 60 is substantially located in the upper space of the evaporator chamber.
  • the second cover plate 412 has an extension boss 420 on the side facing the evaporator chamber, and the fan group 60 is fixed on the extension boss 420.
  • the surface of the extension boss 420 fixing the fan group 60 is an inclined surface, so that the upper side of the fan group 60 is inclined toward the first inner wall 23, that is, the fan group 60 is inclinedly disposed above the evaporator 50'.
  • the extension boss 420 having a slope does not affect the fan group 60 to suck air from the evaporator 50 ′ side, that is, it does not affect the wind circulation in the accommodating portion 21 of the entire liner 20.
  • the air duct plate 410 is not limited to the structure shown in FIGS. 7D and 7E.
  • the air duct plate is, for example, a U-shaped structure, and the opening of the U-shaped structure faces the first liner wall, wherein ,
  • the fan group is located on the upper side of the air duct plate of the U-shaped structure, the bottom wall of the U-shaped structure is parallel and opposite to the first liner wall, and the outer shell of the fan group is inclinedly fixed on the bottom wall of the U-shaped structure and faces the first The liner wall is inclined.
  • the outer shell of the fan group, the U-shaped structure and the first inner bladder wall together form a channel for air circulation.
  • the evaporator 50' is a "vertical arrangement", and “vertical arrangement” means that when air flows through the evaporator 50', the flow direction of the air is perpendicular to the fins in the evaporator 50'.
  • a heating pipe is provided at the bottom of the evaporator 50', and the heating pipe provides heat to defrost the frost condensed in the evaporator 50'.
  • the evaporator 50' includes a hook 501.
  • a mounting hole (not shown) is provided on the first liner wall 23 of the liner 20. The hook 501 is snapped into the mounting hole to directly hook the evaporator 50' The first inner bladder wall 23 facilitates the assembly of the evaporator 50'.
  • the evaporator 50' in this embodiment is a "vertical arrangement", compared with the "horizontal arrangement” of the evaporator 50 in the horizontal refrigerator 100, the air duct plate 410 and the first liner wall in the horizontal refrigerator 400
  • the longitudinal depth of the evaporator chamber between 23 is small, wherein the evaporator chamber with a small longitudinal depth occupies a small space, and the space utilization rate of the inner tank 20 is improved.
  • a fan group 60 is provided in the evaporator chamber with a small longitudinal depth, and an extension boss 420 is formed inside the air duct plate 410.
  • the fan unit 60 is inclinedly fixed on the extension boss 420. This is a preferred design method.
  • the extension boss 420 is not limited to protrude from the second cover plate 412 of the air duct plate 410. In other embodiments of the present invention, the extension boss may protrude from the air duct plate or the first liner wall 23 toward the evaporator chamber.
  • the wind turbine 60 is, for example, a centrifugal fan, but it is not limited thereto.
  • the fan group 60 may also be an axial fan.
  • the liner 20 of the horizontal refrigerator 400 includes a first liner wall 23, a first air outlet 401 is provided on the first liner wall 23, between the first liner wall 23 and the cabinet 10 A first air outlet groove (not shown) is provided, wherein a first air outlet connection hole (not shown) communicating with the fan group 60 is also provided on the first inner wall 23, and the first air outlet groove
  • the first air outlet is connected to the first air outlet 401 and the first air outlet connecting hole, the airflow channel between the first air outlet groove and the first inner wall 23 is the first air passage, and the air sent by the fan group 60 comes from the first air outlet
  • the channel connecting hole enters the first air outlet channel and then enters the accommodating portion 21 of the liner 20 through the first air outlet 401.
  • the first air outlet 401 is higher than the upper edge of the food basket.
  • the air outlet side of the first air outlet 401 may be provided with air outlet cover plates, the air outlet cover plate includes air outlet micro holes (refer to the description of the air outlet micro holes 811 in the first embodiment of the present invention), the air outlet The micro holes extend diagonally upward from the outer surface of the air outlet cover plate to the opposite inner surface of the air outlet cover plate penetrating the air outlet cover plate.
  • the first air outlet 401 can be tilted out of the wind, that is, toward the bottom of the inner tank 20.
  • the wind outlet can also be replaced with a grille design.
  • the liner 20 of the horizontal freezer 400 includes a bottom plate 25, a return air port 402 is provided on the bottom plate 25, and a return air channel (not shown) is provided between the bottom plate 25 and the cabinet 10.
  • the return air port 402 is located near the bottom plate 25
  • One side of the second liner wall 24, the second liner wall 24 and the first liner wall 23 are respectively located on two opposite sides of the bottom plate 23, wherein the bottom plate 25 is also provided with a return air channel connection hole (not shown) ), the return air connection hole is located in the area of the bottom plate 25 near the evaporator 50', and the preferred return air connection hole is located in the evaporator chamber.
  • the return air channel connects the return air port 402 and the return air channel connection hole, the air channel between the return air channel groove and the bottom plate 25 is the return air channel, and the middle air in the accommodating portion 21 of the liner 20 enters the return air channel from the return air port It enters the evaporator 50' through the return air passage connection hole, is processed by the evaporator 50', and is sucked in by the fan group 60 and sent out again.
  • the air circulation in the horizontal freezer 400 includes the supply air and the return air.
  • the air is sucked in from the evaporator 50' side, and the air is sent through the other side of the fan group 60.
  • the connection hole of the air outlet enters the first air channel, and then enters the inner liner 20 through the first air outlet 401; the air in the inner liner 20 returns from the return air port 402, and the return air is connected from the return air channel through the return air channel
  • the hole enters the evaporator chamber, flows from the lower part of the evaporator 50' toward the upper part, is removed by the evaporator 50', and is sucked into the fan group 60 again.
  • the first liner wall 23 is located away from the user, for example, on the back side of the horizontal freezer 200; and the return air inlet 402 is close to the bottom plate 25 of the liner 20.
  • the above-mentioned process of wind circulation can be regarded as air supply from the back side and air return from the bottom side.
  • the air outlet of the horizontal freezer 400 is not limited to the first inner liner wall 23, and the second inner liner wall 26 and the fourth inner liner wall 27 may be provided with a second The air outlet (not shown) and the third air outlet (not shown), the second air outlet and the connection hole of the first air outlet are connected by a second air outlet groove (not shown) (not shown) , The third air outlet and the first air duct connection hole are connected by a third air duct groove (not shown), the second air duct groove is provided between the third inner wall 26 and the cabinet 10, The third air outlet groove is disposed between the fourth inner liner wall 27 and the box shell 10, and the air passage between the second air outlet groove and the third inner liner wall 26 is the second air passage, and the third air passage The air passage between the groove and the fourth liner wall 27 is the third air passage.
  • the air sent by the fan unit 60 passes through the first air duct, the second air duct and the third air duct from the first air duct connection hole, and then from the first air outlet 401, the second air outlet and the third air outlet respectively Into the accommodating part of the liner.
  • the third liner wall 26 is located on the right side of the user
  • the fourth liner wall 27 is located on the left side of the user
  • the return air inlet 402 is still disposed on the bottom plate 25 close to the second liner wall
  • One side of the 24, so the above wind can also be regarded as the circulation of the back side, left side, and right side at the same time, and the bottom return air.
  • the horizontal freezer 400 in the fourth embodiment of the present invention simplifies the installation step of the evaporator 50' and reduces the evaporator by hanging the vertically arranged evaporator 50' on the first inner wall 23 of the inner tank 20
  • the longitudinal depth of the chamber reduces the lateral space occupation of the evaporator chamber, and improves the space utilization of the accommodating portion 21 of the liner 20.
  • a back-side air supply, bottom air return or back-side, left and right side air supply, bottom air return air circulation is provided.
  • FIGS. 8A is a schematic top view of a horizontal refrigerator in a fifth embodiment of the present invention
  • FIGS. 8B to 8D are schematic cross-sectional views of a horizontal refrigerator in a fifth embodiment of the present invention at different viewing angles.
  • the elements in FIGS. 8A to 8D that have the same reference numerals as those in FIGS. 1 to 4C have similar functions, which are not described in detail.
  • the fifth embodiment of the present invention provides a horizontal freezer 500.
  • the difference between the horizontal freezer 500 and the horizontal freezer 100 provided in the first embodiment of the present invention is: 1) the relative position between the fan group 60 and the evaporator 50 Different; 2) The air circulation of the horizontal refrigerator 500 is different from that of the horizontal refrigerator 100.
  • the bottom of the inner liner 20 of the horizontal refrigerator 500 is recessed toward the accommodating portion 21 to form a recess.
  • the recess includes a first side wall 221 and a second side wall 222 that are perpendicular to each other, and the first side wall 221
  • the bottom plate 25 is vertically connected, and the second side wall 222 is vertically connected to the third liner wall 26;
  • the air duct plate 510 is disposed on one side of the first side wall 221, and the space between the air duct plate 510 and the first side wall 221 constitutes evaporation
  • the evaporator 50 is disposed in the evaporator chamber; wherein, the air duct plate 510 is located in the accommodating portion 21 of the liner 20.
  • the air duct plate 510 includes a first cover plate 511 and a second cover plate 512 that are perpendicular to each other, the first cover plate 511 is parallel to the first side wall 221, and the second cover plate 512 is located between the first cover plate 511 and the first side wall 221 The top surface of the second cover plate 512 and the top surface of the second side wall 222 are flush with each other.
  • a return air port 505 is provided on the first cover plate 511, and the return air port 505 is close to the lower edge of the first cover plate 511 close to the bottom plate 25, wherein the return air port 505 may include a plurality of return air openings, a plurality of return air The openings penetrate through the first cover plate 511, and a plurality of return air openings are arranged longitudinally along the first cover plate 511, but not limited to this.
  • the air return opening 505 is, for example, a longitudinally extending elongated opening, and the elongated opening penetrates the first cover plate 511.
  • a return air channel groove 506 is provided between the first cover plate 511 and the evaporator 50.
  • a return air channel connection hole 507 is provided on the side of the return air channel groove 506 near the second liner wall 24; the return air channel groove 506 communicates with the return air port 505 and The return air passage connection hole 507; the air passage between the return air passage groove 506 and the first cover plate 511 is a return air passage.
  • the inner liner 20 includes a first inner liner wall 23 and a second inner liner wall 24 that are oppositely arranged.
  • the first inner liner wall 23 is provided with a first air outlet 501, and the second inner liner wall 24 is provided with a second air outlet 503;
  • a first air outlet groove 502 (as shown by the dotted line in FIG. 8B) is provided between an inner liner wall 23 and the cabinet 10, and a second air outlet groove 504 is provided between the second inner liner wall 24 and the cabinet 10 ( As shown by the dotted line in FIG. 8C);
  • the first inner liner wall 23 is provided with a first air outlet connection hole (not shown), and the second inner liner wall 24 is provided with a second air outlet connection hole (not shown).
  • the first air outlet groove 502 connects the first air outlet 501 and the first air outlet connecting hole respectively, and the second air outlet groove 504 connects the second air outlet 503 and the second air outlet connecting hole respectively; the first air outlet
  • the air channel between the air channel 502 and the first liner wall 23 is the first air outlet
  • the air channel between the second air channel groove 504 and the second liner 24 is the second air channel.
  • the first air outlet 501 is provided on the upper side of the first liner wall 23, and the second air outlet 503 is provided on the second liner wall 24 Central. If a storage basket is placed in the liner 20, preferably, the first air outlet 501 is higher than the upper edge of the storage basket (not shown) in the liner 20, and the second air outlet 503 is slightly lower than the storage in the liner 20 The lower edge of the object basket (not shown).
  • the first air outlet 501 includes a plurality of first air outlet openings, the plurality of first air outlet openings penetrate the first inner bladder wall 23, and the plurality of first air outlet openings are along the lateral direction of the first bladder wall 23 Arranged; similarly, the second air outlet 503 includes a plurality of second air outlet openings, the plurality of second air outlet openings penetrate the second inner wall 24, and the plurality of second air outlet openings along the second The inner bladder wall 24 is arranged laterally.
  • An air outlet cover plate may be provided on the air outlet side of the first air outlet 501 and the second air outlet 503 respectively, and the air outlet cover plate includes air outlet micro holes (refer to the description of the air outlet micro holes 811 in the first embodiment of the present invention) ), the air outlet micropores extend diagonally upward from the outer surface of the air outlet cover plate to the opposite inner surface of the air outlet cover plate penetrating the air outlet cover plate.
  • air outlet micro-holes With the design of the above-mentioned air outlet micro-holes, it is possible to make the plurality of air outlets wind downward, that is, toward the bottom of the inner tank 20.
  • the wind outlet can also be replaced with a grille design.
  • the fan group 60 is disposed in the evaporator chamber, the fan group 60 is disposed near the first inner wall 23, and the fan group 60 is located above the evaporator 50 in the evaporator chamber, that is, the fan group 60 is located in the second cover plate
  • a support structure may be provided in the evaporator chamber, and the support structure is located between the first inner bladder wall 23 and the second end 52 of the evaporator 50.
  • the wind turbine 60 is located on the upper side of the support structure, and the evaporator 50 is located on the lower side of the support structure.
  • the evaporator chamber further includes a partition 508.
  • the partition 508 is disposed on the upper side of the evaporator 50.
  • the air passage between the partition 508 and the second cover plate 512 is the third air outlet. Both ends of the third air outlet communicate with the first air outlet connection hole and the second air outlet connection hole, respectively.
  • the partition 508 is located in the evaporator chamber, which essentially divides the evaporator chamber into an upper region and a lower region, and the upper region is the region between the partition 508 and the second cover plate 512, which serves as The third air outlet; the lower area is the area between the partition 508 and the bottom plate 25, which is used as a storage space for the evaporator 50.
  • the fan unit 60 is a centrifugal fan.
  • the centrifugal fan draws air from the side of the evaporator 50 and sends air toward the third air outlet.
  • the evaporator 50 in the horizontal freezer 500 is "horizontal arrangement", “horizontal arrangement” means that when air flows through the evaporator 50 in the flow direction shown by arrow F, the flow direction of the air is parallel to the evaporator 50 Fins 53 (as shown in Figure 3C).
  • a plurality of fins of the evaporator 50 are embedded with a heating tube, and the heating tube provides heat to perform defrosting operation on the frost condensed in the evaporator 50.
  • the evaporator 50 is placed obliquely in the evaporator chamber.
  • the second end 52 of the evaporator 50 close to the fan group 60 is higher than the first end 51 of the evaporator 50 far from the fan group 60, which prevents the defrosted water in the evaporator 50 from flowing to the fan group 60, causing the fan group 60 to be sucked After frost, the frost is frozen and works abnormally.
  • a top insulation layer may be provided between the evaporator 50 and the partition plate 508, and a water receiving box and a bottom insulation layer 42 stacked in sequence may be provided between the evaporator 50 and the bottom plate 25.
  • the top insulation layer and the bottom insulation layer are used to isolate the evaporator 50 from the external environment.
  • the bottom insulation layer 42 has a slope structure, and the slope structure makes the first end 51 of the evaporator 50 lower than the second end 52.
  • the description of the top insulation layer and the bottom insulation layer 42 in this embodiment can refer to the description of the top insulation layer 41 and the bottom insulation layer 42 in the first embodiment of the present invention.
  • the air circulation in the horizontal freezer 500 includes the supply air and the outlet air.
  • the fan of the fan group 60 is a centrifugal fan. When the centrifugal fan works, the air is sucked from one side of the evaporator 50, and the air is sent through the other side of the fan group 60.
  • the first liner wall 23 is located away from the user, which can be regarded as the back side of the horizontal refrigerator 500; the second liner wall 24 is located near the user, which can be regarded as The near side of the horizontal freezer 500; and the air return port 505 is provided near the bottom plate 25 of the inner tank 20; therefore, the above-mentioned air circulation can also be regarded as the circulation of the back side and the front side, and the bottom return air circulation.
  • the above-mentioned horizontal refrigerator provided by the present invention, by arranging the air duct plate on one side of the concave portion of the liner, the space between the air duct plate and the side wall of the concave portion of the liner or the liner wall serves as the evaporator chamber In order to accommodate the evaporator; and adjust the setting positions of the air outlet and the air outlet on the inner tank, the purpose of uniformly controlling the temperature of the inner tank is achieved, and the phenomenon of dew condensation on the glass door of the horizontal freezer is effectively solved. In addition, improving the structure of the concave portion and the air duct plate can effectively reduce the occupied space of the evaporator chamber, thereby improving the space utilization rate of the accommodating portion of the liner.

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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

Congélateur horizontal (100), comprenant un corps de boîte et un corps de porte. Le corps de boîte comprend une coque de boîte (10) et un réservoir interne (20). Le réservoir interne (20) est pourvue d'une partie de réception (21); le fond du réservoir interne (20) est en retrait vers la partie de réception (21) pour former une partie d'évidement (22); la partie d'évidement (22) a une première paroi latérale (221) qui est reliée à la plaque inférieure (25) du réservoir interne (20); une plaque de canal d'air (30) est disposée adjacente à la première paroi latérale (221); une chambre d'évaporateur est constituée entre la plaque de canal d'air (30) et la première paroi latérale (221); la plaque de canal d'air (30) est située dans la partie de réception (21).
PCT/CN2019/104122 2018-12-24 2019-09-03 Congélateur horizontal WO2020134168A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201811583440.9 2018-12-24
CN201811583440.9A CN111351280B (zh) 2018-12-24 2018-12-24 卧式冷柜

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WO2020134168A1 true WO2020134168A1 (fr) 2020-07-02

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CN113154751A (zh) 2021-07-23
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CN113154748A (zh) 2021-07-23
CN113154751B (zh) 2022-12-30
CN113154748B (zh) 2023-02-21

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