WO2015188623A1 - 风冷电冰箱 - Google Patents

风冷电冰箱 Download PDF

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Publication number
WO2015188623A1
WO2015188623A1 PCT/CN2015/070745 CN2015070745W WO2015188623A1 WO 2015188623 A1 WO2015188623 A1 WO 2015188623A1 CN 2015070745 W CN2015070745 W CN 2015070745W WO 2015188623 A1 WO2015188623 A1 WO 2015188623A1
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WO
WIPO (PCT)
Prior art keywords
air
duct
return
air inlet
greenhouse
Prior art date
Application number
PCT/CN2015/070745
Other languages
English (en)
French (fr)
Inventor
罗洋
Original Assignee
合肥华凌股份有限公司
合肥美的电冰箱有限公司
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 合肥华凌股份有限公司, 合肥美的电冰箱有限公司 filed Critical 合肥华凌股份有限公司
Priority to US15/317,647 priority Critical patent/US10712076B2/en
Priority to EP15806247.1A priority patent/EP3156748B1/en
Priority to KR1020177000614A priority patent/KR101967074B1/ko
Priority to JP2017517161A priority patent/JP6543699B2/ja
Publication of WO2015188623A1 publication Critical patent/WO2015188623A1/zh

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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
    • 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
    • F25D17/062—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 in household refrigerators
    • F25D17/065—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 in household refrigerators with compartments at different temperatures
    • 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
    • F25D17/067—Evaporator fan units
    • 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
    • F25D17/08—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 using ducts
    • 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
    • F25D2317/067—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 air ducts
    • 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
    • F25D2317/067—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 air ducts
    • F25D2317/0671—Inlet ducts
    • 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
    • F25D2317/067—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 air ducts
    • F25D2317/0672—Outlet ducts
    • 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
    • F25D2317/068—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 fans
    • F25D2317/0681—Details thereof
    • 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
    • F25D2500/00—Problems to be solved
    • F25D2500/02—Geometry problems

Definitions

  • the invention relates to the field of living appliances, and more particularly to an air-cooled refrigerator.
  • the refrigerators in the market are mainly divided into two types: direct-cooled refrigerators and air-cooled refrigerators.
  • direct-cooled refrigerators have more Good temperature control ability, no frost in the refrigerator, better preservation effect, etc., have been welcomed by consumers, and gradually become the mainstream products on the market;
  • the cooling method is generally generated by the fan, the cold air from the freezer After the evaporator is sucked out, it is distributed to the respective compartments through the duct means.
  • the electric switching valve is often used to switch the refrigerant, and the air conditioners in the air-cooled refrigerators cannot be simultaneously supplied with cold air, and the cooling speed is slow.
  • the air-conditioning after the evaporator needs to use two or more fans to Output, and the air-conditioning is also sent to the various rooms of the air-cooled refrigerator through different air inlets.
  • the overall structure is complicated, the energy consumption of multiple fans is large, and each compartment needs to input air-conditioning through an independent air inlet.
  • the return air duct of the refrigerating compartment in the air-cooled refrigerator and the return air duct of the greenhouse are mostly The connected structure, the return air in the refrigerating compartment and the returning temperature of the greenhouse change greatly, and together they are concentrated on the evaporator, which easily leads to frosting of the air duct of the evaporator and the return air duct, such as frosting.
  • the use of a larger amount of electricity to defrosting the energy consumption of the air-cooled refrigerator is also improved; in addition, there is generally no air inlet control device in the refrigerator and the greenhouse, so that the air volume of the refrigerator and the greenhouse Be precise control, it reduces the temperature control accuracy for air-cooled refrigerator or increased air consumption of the refrigerator.
  • the present invention aims to solve at least one of the technical problems existing in the prior art.
  • the present invention provides an air-cooled refrigerator which is simple in structure, easy to manufacture, low in manufacturing cost, lower in energy consumption, faster in temperature drop, and more precise in temperature control.
  • An air-cooled refrigerator includes: a freezing compartment; a refrigerating compartment; a greenhouse; a fin evaporator; an intake duct, the inlet duct being installed in a rear wall of the refrigerator, the intake duct including a main air duct, a refrigerating compartment air inlet duct and a greenhouse changing air duct, wherein one end of the main air duct is respectively connected to the refrigerating compartment air inlet duct and the variable greenhouse air inlet duct, and the other end is connected to the fin evaporator
  • the outlets are connected, and the fin evaporator sequentially supplies cold air to the refrigerating chamber and the variable greenhouse through the main air duct, the refrigerating chamber air inlet, and the variable greenhouse air inlet, respectively.
  • the fin evaporator is also cold The freezing compartment provides cold air;
  • the return air duct is installed in the rear wall of the refrigerator, and the return air duct includes: a refrigerating compartment return air duct and a greenhouse return air duct, and the refrigerating compartment return air duct
  • the return air in the refrigerating chamber is introduced below the fin evaporator, and the variable greenhouse return air passage introduces the return air in the variable greenhouse to the lower side of the fin evaporator, and the refrigerating chamber returns to the wind
  • the outlet of the track and the outlet of the variable greenhouse return air passage are spaced apart under the fin evaporator; the electric damper; the electric damper is respectively disposed in the refrigerating compartment inlet duct and the variable greenhouse inlet duct and
  • the amount of intake air entering the refrigerating compartment and the variable greenhouse is independently regulated.
  • the air inlet duct in the air-cooled refrigerator may be connected to the outlets of the refrigerating compartment, the variable greenhouse and the fin evaporator, and the cold air passing through the fin evaporator may pass through the refrigerating compartment
  • the inlet duct and the greenhouse inlet duct are simultaneously transported to the refrigerating compartment and the variable greenhouse, and the structure of the inlet duct is simple, and the occupied space is smaller and the production cost is lower than that of the intake duct in the prior art, and There is no need for electric switching valve to switch refrigerant, the cooling speed is faster, the structure is simpler, and the production cost is lower.
  • the refrigerating compartment return air duct and the greenhouse return air duct are spaced apart under the fin evaporator, which can effectively prevent the temperature.
  • the two kinds of return air mixing with large difference in humidity are used to frost the fin evaporator, the refrigerating chamber return air passage and the greenhouse return air passage, which saves the energy required for defrosting, and enables the air-cooled refrigerator to
  • the utility model has the advantages of lower consumption; in addition, the electric damper can independently adjust the amount of air entering the refrigerating compartment and the changing greenhouse, so that the temperature control of the air-cooled refrigerator is more precise for the refrigerating compartment and the changing greenhouse, and the air-cooled refrigerator is more traditional than the wind. Cold refrigerator Greater advantage, help improve the sales of air-cooled refrigerator.
  • the air-cooled refrigerator in the above embodiment provided by the present invention may further have the following additional technical features:
  • the fin evaporator is installed in a refrigeration box, the refrigeration box is disposed at a lower portion of a rear wall of the refrigerator, and the fin evaporator is installed in a middle portion of the refrigeration box.
  • the refrigerating compartment return air duct and the variable greenhouse return air duct are both connected to a lower end of the side wall surface of the refrigerating box, and the refrigerating compartment return air duct and the variable greenhouse return air duct and the refrigerating box
  • One end of the side wall surface connection, a distance between the refrigerating chamber return air passage and the variable greenhouse return air passage is greater than or equal to 10 mm; and an upper end of the side wall surface of the refrigerating box is provided with a freezing chamber communicating with the freezing chamber
  • a lower end of the side wall surface of the refrigeration box is further provided with a freezer return air passage communicating with the freezing chamber; the other end of the main air passage and an upper end of the side wall surface of the refrigeration box Connected, and
  • a refrigerating compartment air inlet and a greenhouse changing air inlet are respectively disposed on the refrigerating compartment air inlet and the variable greenhouse air inlet; the rear wall surface of the refrigerating compartment and the rear of the greenhouse a refrigerating compartment air duct connection position and a variable greenhouse air duct connection position, which are matched with the refrigerating compartment air inlet and the variable greenhouse air inlet, respectively, in the wall surface, the refrigerating compartment air inlet and the variable greenhouse air inlet
  • the refrigerator compartment air duct connection position and the variable greenhouse air duct connection position may be respectively connected; the refrigerating compartment air duct connection position and the variable greenhouse air duct connection position are respectively provided with the electric motor throttle.
  • one end of the refrigerating compartment return air passage is a refrigerating compartment return air outlet, and the other end is a first refrigerating air return port, and the refrigerating compartment return air inlet is connected to the refrigerating compartment, the first freezing The return air outlet is connected to the refrigeration box;
  • one end of the variable greenhouse return air passage is a second freezing air return port, and the other end is a variable greenhouse air return port, and the second freezing air return port is connected with the refrigeration box;
  • a variable greenhouse return air inlet is connected to the variable greenhouse; wherein the first freezing air return port and the second freezing air return port are both connected to a lower end of a side wall surface of the refrigeration box, and the first freezing The distance between the air return port and the second freezing air return port is 10 mm.
  • the main air duct is provided with a main air duct air inlet, and the upper end of the side wall surface of the refrigerating box is provided with a main air duct connection position connected to the air inlet of the main air duct.
  • the main air duct connection position is connected to the freezer compartment air inlet, and the height of the main air duct connection position is higher than the height of the freezer air inlet duct;
  • the main air duct connection position is also provided with a fan motor, when the fan motor rotates, blowing cold air generated by the fin evaporator into the main air passage, and blowing a part of cold air into the freezing chamber through the freezer inlet air passage .
  • a cross-sectional area of the refrigerating compartment return air passage is 1-1.2 times a cross-sectional area of the refrigerating compartment air inlet duct
  • a cross-sectional area of the variable greenhouse return air duct is the The greenhouse cross-sectional area of the inlet duct is 1-1.2 times.
  • a cross-sectional area of the refrigerating compartment return air passage is 1.2 times a cross-sectional area of the refrigerating compartment air inlet duct
  • a cross-sectional area of the variable greenhouse return air duct is the variable greenhouse 1.2 times the cross-sectional area of the inlet duct
  • the air inlet duct includes: an air inlet upper cover and an air inlet lower cover, and the air inlet upper cover and the air inlet lower cover are respectively provided with a buckle and a card position, The air inlet upper cover and the air inlet lower cover are engaged by the engagement of the buckle and the card position to form the air inlet duct, and the outer wall surface of the air inlet duct is also wrapped with a polypropylene tape; the air inlet lower cover is provided with a duct buckle, a rear wall surface of the refrigerator is provided with a duct chuck, and the air inlet passage passes through the wind on the air inlet duct of the refrigerator compartment The mating of the track buckle with the air duct latch is engaged on the rear wall surface of the refrigerator.
  • the return air duct further includes: a fixing plate, the fixing plate is provided with a through hole, and the refrigerating chamber return air passage and the variable greenhouse return air passage are fixedly fixed by the fixing plate Connected together, a threaded hole matching the through hole is disposed on a rear wall surface of the refrigerator, and the fixing plate is screwed to a rear wall surface of the refrigerator.
  • the air inlet duct and the return air duct are both made of polypropylene, and the air inlet duct is also adhered to the rear wall surface of the refrigerator by a tape.
  • FIG. 1 is a front view showing the structure of an air-cooled refrigerator according to an embodiment of the present invention
  • Figure 2 is a front view of the air-cooled refrigerator shown in Figure 1 after removing the door;
  • Figure 3 is an exploded view of the back of the air-cooled refrigerator shown in Figure 1;
  • Figure 4 is a rear view of the air-cooled refrigerator shown in Figure 1;
  • Figure 5 is a cross-sectional structural view of the air-cooled refrigerator shown in Figure 1;
  • Figure 6 is a perspective structural view of the air inlet duct in the air-cooled refrigerator shown in Figure 3;
  • Figure 7 is a perspective structural view of the return air passage in the air-cooled refrigerator shown in Figure 3;
  • Figure 8 is a partial structural view of the portion A of the air-cooled refrigerator shown in Figure 5;
  • Figure 9 is a partial structural schematic view of a portion B of the air-cooled refrigerator shown in Figure 5;
  • Fig. 10 is a partial structural schematic view showing a portion C of the air-cooled refrigerator shown in Fig. 5.
  • 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. Further, in the description of the present invention, the meaning of "a plurality" is two or more unless otherwise specified.
  • Embodiment 1 is a diagrammatic representation of Embodiment 1:
  • an air-cooled refrigerator includes: an air inlet duct 101 and an air return duct 102, and the air inlet duct 101 and the return air duct 102 are both Installed in the rear wall of the refrigerator 108, the refrigerator 108 is provided with: a freezing compartment 103, a refrigerating compartment 104 and a variable greenhouse 105; and further includes: a fin evaporator 106 and an electric damper 107;
  • the air inlet 101 includes a main air duct 1011, a refrigerating compartment air inlet duct 1012, and a greenhouse entrance air duct 1013, and one end of the main air duct 1011 and the refrigerating compartment air inlet duct 1012, respectively Connected to the variable greenhouse inlet duct 1013 and the other end connected to the outlet of the fin evaporator 106, the fin evaporator 106 sequentially passes through the main duct 1011, the refrigerating chamber inlet duct 10
  • the air inlet duct in the air-cooled refrigerator may be connected to the outlets of the refrigerating chamber, the variable greenhouse and the fin evaporator, and the cold air passing through the fin evaporator is passed through the refrigerating chamber inlet duct and the greenhouse changing inlet duct simultaneously It is transported to the refrigerating room and the variable greenhouse.
  • the structure of the inlet duct is simple. Compared with the inlet duct in the prior art, the occupied space is smaller, the production cost is lower, and the electric switching valve is not required to switch the refrigerant, and the cooling speed is faster.
  • the structure is simpler and the production cost is lower; in addition, the refrigerating compartment return air passage and the variable greenhouse return air passage are spaced apart under the fin evaporator, which can effectively prevent two kinds of return air mixing with large difference in temperature and humidity.
  • the refrigerating compartment return air duct and the greenhouse return air duct the energy consumption required for defrosting is saved, and the air-cooling refrigerator has lower energy consumption; in addition, the electric damper can be independently adjusted The amount of air entering the refrigerating compartment and the changing greenhouse makes the air-cooled refrigerator more precise in temperature control of the refrigerating compartment and the greenhouse.
  • the fin evaporator 106 is installed in a refrigerating tank 1081, and the refrigerating tank 1081 is disposed at a lower portion of a rear wall of the refrigerator 108, and the fins are evaporated.
  • the device 106 is installed in a middle portion of the refrigerating box 1081, and the refrigerating chamber return air passage 1021 and the variable greenhouse return air passage 1022 are both connected to a lower end of a side wall surface of the refrigerating box 1081, in the refrigerating chamber
  • the upper end of the side wall surface of the refrigerating box 1081 is provided with a freezing chamber inlet duct 1082 communicating with the freezing chamber 103, and a lower end of the side wall surface of the refrigerating box 1081 is further provided with the freezing chamber 103.
  • a freezer compartment return air passage 1083; the other end of the main air duct 1011 is in communication with an upper end of a side wall surface of the refrigeration box 1081, and a height of the main air duct 1011 is higher than an air intake of the freezer compartment The height of the road 1082.
  • the refrigerating compartment return air duct and the variable greenhouse return air duct are connected with the lower end of the side wall surface of the refrigerating box, which can effectively prevent the two return air mixtures of the refrigerating chamber and the greenhouse having a large difference in temperature and humidity to evaporate the fins.
  • the cold air passing through the fin evaporator can be directly transported to the refrigerating chamber, the changing greenhouse and the freezing chamber through the main air duct and the freezer inlet air passage, and has a simple structure and is easy to manufacture.
  • the refrigerating compartment air inlet 1012 and the variable greenhouse air inlet 1013 are respectively provided with a refrigerating compartment air inlet 10121 and a change.
  • the rear wall of the storage compartment 104 and the rear wall of the variable greenhouse 105 are respectively provided with a refrigerating compartment air duct connection position 1041 and a greenhouse in cooperation with the refrigerating compartment air inlet 10121 and the variable greenhouse air inlet 10131.
  • the refrigerating compartment air inlet 10121 and the variable greenhouse air inlet 10131 may be respectively connected to the refrigerating compartment air duct connection position 1041 and the variable greenhouse air duct connection position 1051;
  • the electric damper 107 is disposed in both the air duct connection position 1041 and the variable greenhouse air duct connection position 1051.
  • the electric damper is disposed in the refrigerating compartment air duct connection position and the variable greenhouse air duct connection position, and can independently adjust the air intake amount into the refrigerating compartment and the changing greenhouse, so that the air-cooled refrigerator has more temperature control for the refrigerating compartment and the greenhouse. Precision.
  • one end of the refrigerating compartment return air passage 1021 is a refrigerating compartment return air outlet 10211, and the other end is a first refrigerating air return opening 10212.
  • the tuyere 10211 is connected to the refrigerating chamber 104, the first refrigerating air return port 10212 is connected to the refrigerating box 1081; one end of the variable greenhouse return air passage 1022 is a second freezing air return port 10222, and the other end is changed.
  • a greenhouse return air port 10221 the second freezing air return port 10222 is connected to the refrigeration box 1081, and the variable greenhouse air return port 10221 is connected to the variable greenhouse 105; wherein the first freezing air return port 10212 and the The second freezing air return port 10222 is connected to the lower end of the side wall surface of the refrigeration box 1081, and the distance between the first freezing air return port 10212 and the second freezing air return port 10222 is 10 mm.
  • the main air duct 1011 is provided with a main air duct air inlet 10111, and the upper end of the side wall surface of the refrigerating box 1081 is provided with the main a main air duct connection position 10811 connected to the air duct air inlet 10111, the main air duct connection position 10811 is in communication with the freezer compartment air inlet 1082, and a height of the main air duct connection position 10811 is higher than the The height of the freezer inlet air passage 1082; the main air duct connection position 10811 is further provided with a fan motor 10812. When the fan motor 10812 rotates, the cold air generated by the fin evaporator 106 can be blown into the air. In the main duct 1011, part of the cold air is blown into the freezer compartment 103 through the freezer inlet duct 1082.
  • the cold air generated by the fin evaporator can be blown into the main air duct, and under the action of the fan motor, the cold air passes through the freezer inlet air passage during the blowing into the main air duct. Furthermore, it is blown into the freezing chamber, and the overall structure is simple.
  • the cooling chamber can be introduced with a separate fan motor to introduce cold air, which can effectively reduce costs and save energy.
  • the cross-sectional area of the refrigerating compartment return air passage 1021 is 1-1.2 times of the cross-sectional area of the refrigerating compartment air inlet duct 1012, and the variable greenhouse return air duct
  • the cross-sectional area of 1022 is 1-1.2 times the cross-sectional area of the variable greenhouse inlet duct 1013.
  • the cross-sectional area of the refrigerating compartment return air passage 1021 is 1.2 times the cross-sectional area of the refrigerating compartment air inlet duct 1012, and the variable greenhouse return air duct 1022
  • the cross-sectional area is 1.2 times the cross-sectional area of the variable greenhouse inlet duct 1013.
  • the cross-sectional area of the recirculation duct of the refrigerating compartment is 1.2 times of the cross-sectional area of the inlet duct of the refrigerating compartment
  • the cross-sectional area of the returning duct of the greenhouse is 1.2 times of the cross-sectional area of the inlet duct of the greenhouse
  • the air inlet duct 101 includes: an air inlet duct cover 1014 and the air inlet lower cover 1015, the air inlet upper cover 1014 and the air inlet lower cover 1015 are respectively provided with a buckle and a card position, the air inlet upper cover 1014 and the air inlet The cover 1015 is engaged by the engagement of the buckle and the card position to form the air inlet duct, and the outer wall surface of the air inlet duct is also wrapped with a polypropylene tape; the air inlet lower cover 1015 A duct buckle 10151 is disposed on the rear wall surface of the refrigerator 108, and the air duct latch 1084 is disposed through the air duct buckle 10151 on the air inlet duct 1012 of the refrigerator compartment. The engagement of the air duct latch 1084 is engaged with the rear wall surface of the refrigerator 108.
  • the air inlet duct is a snap-in structure, which is easy to be assembled into the production and assembly of the air duct; and, in the process of assembling the air inlet duct on the air-cooled refrigerator, no screw is needed for fixing
  • the assembly efficiency is also included; in addition, the outer wall surface of the air inlet is also wrapped with a polypropylene tape, which has a low cost, a good sealing effect, and is easy to assemble.
  • the return air duct 102 further includes: a fixing plate 1023, the fixing plate 1023 is provided with a through hole, the refrigerating chamber return air passage 1021 and the The variable greenhouse return air ducts 1022 are fixedly connected together by the fixing plate 1023.
  • the rear wall surface of the refrigerator 108 is provided with a threaded hole matching the through hole, and the fixing plate 1023 is screwed to the refrigerator. 108 on the back wall.
  • the refrigerating compartment return air duct and the variable greenhouse return air duct are fixedly connected by the fixing plate, so that the connection between the refrigerating compartment return air duct and the variable greenhouse return air passage is more stable, more reliable in use, and convenient for production. Assembly.
  • the air inlet duct 101 and the return air duct 102 are both made of polypropylene, and the air inlet duct 101 is also adhered to the refrigerator 108 by a tape. On the wall.
  • the inlet duct and the return duct are made of polypropylene, which is different from the EPS foam duct of the traditional air-cooled refrigerator.
  • the polypropylene duct has better airtightness, simpler structure and less damage during transportation. And the cost is lower.
  • Embodiment 2 is a diagrammatic representation of Embodiment 1:
  • an air-cooled refrigerator includes the air-cooled refrigerator according to any of the above embodiments.
  • the air-cooled refrigerator equipped with the air-cooled refrigerator is easier to produce and assemble, thereby making the air-cooled refrigerator more efficient; and the structure of the air-cooled refrigerator in the air-cooled refrigerator is simpler, The production cost of the air-cooled refrigerator is lower, thereby effectively improving the economic efficiency of the product.
  • the fin evaporator of the air-cooled refrigerator does not need defrosting, and the energy consumption is lower, and the air inlet is opposite to the cold room and the greenhouse.
  • the cooling speed can be made faster, and the electric damper can accurately control the air intake volume of the refrigerating room and the changing greenhouse, thereby making the temperature control of the refrigerating room and the changing greenhouse more precise. Therefore, the air-cooled refrigerator is more conventional than the conventional one. Air-cooled refrigerators have greater advantages and help increase sales of the air-cooled refrigerator.
  • the air inlet duct in the air-cooled refrigerator can be connected to the outlets of the refrigerating chamber, the variable greenhouse and the fin evaporator, and the cold air passing through the fin evaporator can pass through the refrigerating chamber into the air duct and the greenhouse.
  • the inlet duct is simultaneously transported to the refrigerating compartment and the variable greenhouse.
  • the structure of the inlet duct is simple, and the occupied space is smaller, the production cost is lower, and the electric switching valve is not required to switch the refrigerant compared with the prior art intake duct.
  • the cooling speed is faster, the structure is simpler, and the production cost is lower; in addition, the refrigerating compartment return air passage and the variable greenhouse return air passage are spaced apart under the fin evaporator, which can effectively prevent a large difference in temperature and humidity.
  • Two kinds of return air mixing to make the fin evaporator, the refrigerating chamber return air passage and the greenhouse return air duct knot The frost saves the energy required for the defrosting, so that the air-cooled refrigerator has lower energy consumption; in addition, the electric damper can independently adjust the amount of air entering the refrigerating chamber and the greenhouse, so that the air-cooled refrigerator is for the cold room And the temperature control of the greenhouse is more precise; and the air-cooled refrigerator equipped with the air-cooled refrigerator is easier to produce and assemble, thereby making the air-cooled refrigerator more efficient; and the wind in the air-cooled refrigerator
  • the structure of the cold refrigerator is simpler, so that the production cost of the air-cooled refrigerator is lower, thereby effectively improving the economic efficiency of the product, and the fin evaporator
  • the air inlet can transport the cold air to the cold storage room and the greenhouse, which can make the cooling speed faster, and the electric damper can accurately control the air intake volume of the cold storage room and the greenhouse, thereby making the temperature control of the cold storage room and the greenhouse more precise. Therefore, the air-cooled refrigerator has a greater advantage than the conventional air-cooled refrigerator, and helps to increase the sales of the air-cooled refrigerator.

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Abstract

一种风冷电冰箱（108），包括冷冻室（103）、冷藏室（104）、变温室（105）、翅片蒸发器（106）、电动风门（107）、进风道（101）和回风道（102）。进风道（101）包括主风道（1011）、冷藏室进风道（1012）和变温室进风道（1013）。主风道（1011）的一端分别与冷藏室进风道（1012）和变温室进风道（1013）相连接，另一端与翅片蒸发器（106）的出口相连接。回风道（102）包括冷藏室回风道（1021）和变温室回风道（1022），冷藏室回风道（1021）和变温室回风道（1022）均将回气导入至翅片蒸发器（106）的下方。冷藏室进风道（1012）和变温室进风道（1013）内分别设置有电动风门（107），电动风门（107）可独立调节进入冷藏室（104）和变温室（105）内的进风量。

Description

风冷电冰箱 技术领域
本发明涉及生活电器领域，更具体而言，涉及一种风冷电冰箱。
背景技术
目前，现在市面的电冰箱按制冷方式主要分为直冷电冰箱与风冷电冰箱两种，随着用户使用需求的不断提升以及冰箱行业内制造技术的不断提升，风冷冰箱因其具有较好的温度控制能力、冰箱内无冰霜产生、保鲜效果更好等优点而备受消费者的欢迎，逐渐成为市场上主流产品；其制冷方式一般均是由风扇产生风压，将冷气从冷冻室蒸发器吸出后，在通过风道装置分配到各个间室。
现有的风冷电冰箱中多使用电动切换阀切换冷媒，不能同时给风冷电冰箱内的各个间室提供冷气，降温速度慢，经过蒸发器后的冷气需要使用两个或多个风扇以输出，并且冷气还需通过不同的进风道被送至风冷电冰箱的各个间室内，整体结构复杂，多个风扇的能耗较大，并且各个间室需要通过独立的进风道输入冷气，占用了风冷电冰箱背部有限的空间，并且多个独立的进风道会提高产品的生产成本；另外，风冷电冰箱中的冷藏室的回风道与变温室的回风道多为连通的结构，冷藏室内的回气与变温室的回气的温度和湿度差异较大，共同汇聚于蒸发器上，极易导致蒸发器和回风道的风道口结霜，如结霜则需要使用较大的电量来化霜，该风冷电冰箱的能耗也因此而被提高；此外，冷藏室与变温室内一般不设置有进风控制装置，使冷藏室与变温室的进风量不能被精准的控制，会降低风冷电冰箱对于温度控制的精准度或提高风冷电冰箱的能耗。
发明内容
本发明旨在至少解决现有技术中存在的技术问题之一。为此，本发明提供了一种结构简单、易于生产制造、生产制造成本低、能耗更低、降温速度更快、温度控制更为精准的风冷电冰箱。
根据本发明实施例的风冷电冰箱，包括：冷冻室；冷藏室；变温室；翅片蒸发器；进风道，所述进风道安装于冰箱的后壁内，所述进风道包括主风道、冷藏室进风道和变温室进风道，所述主风道的一端分别与所述冷藏室进风道和变温室进风道相连接、另一端与所述翅片蒸发器的出口相连接，所述翅片蒸发器依次通过所述主风道、所述冷藏室进风道和所述变温室进风道分别向所述冷藏室和所述变温室提供冷气，所述翅片蒸发器还向所述冷 冻室提供冷气；回风道，所述回风道安装于冰箱的后壁内，所述回风道包括：冷藏室回风道和变温室回风道，所述冷藏室回风道将所述冷藏室内的回气导入至所述翅片蒸发器的下方，所述变温室回风道将所述变温室内的回气导入至所述翅片蒸发器的下方，且所述冷藏室回风道的出口和所述变温室回风道的出口在所述翅片蒸发器的下方间隔开；电动风门；所述电动风门分别设置在所述冷藏室进风道和变温室进风道内且可独立调节进入所述冷藏室和所述变温室内的进风量。
根据本发明实施例的风冷电冰箱，该风冷电冰箱中的进风道可与冷藏室、变温室和翅片蒸发器的出口连接，并将经过翅片蒸发器后的冷气通过冷藏室进风道和变温室进风道同时地输送至冷藏室和变温室内，进风道的结构简单，相比现有技术中的进风道而言，占用空间更小，生产成本更低，并且无需电动切换阀切换冷媒，降温速度更快，结构更为简单，生产成本更低；此外，冷藏室回风道与变温室回风道在翅片蒸发器的下方被间隔开，可有效防止温度和湿度差异较大的两种回气混合以使翅片蒸发器、冷藏室回风道和变温室回风道结霜，节省了化霜所需要的能耗，使该风冷电冰箱的能耗更低；另外，电动风门可独立调节进入冷藏室和变温室内的进风量，使该风冷电冰箱对于冷藏室和变温室的温度控制更为精准，该风冷电冰箱相比传统的风冷电冰箱均具有更大的优势，有助于提高该风冷电冰箱的销量。
另外，本发明提供的上述实施例中的风冷电冰箱还可以具有如下附加技术特征：
根据本发明的一个示例，所述翅片蒸发器安装于制冷箱中，所述制冷箱设置于所述冰箱后壁的下部，所述翅片蒸发器安装于所述制冷箱内的中部，所述冷藏室回风道和所述变温室回风道均与所述制冷箱的侧壁面的下端相连接，在所述冷藏室回风道和所述变温室回风道与所述制冷箱的侧壁面连接的一端，所述冷藏室回风道和所述变温室回风道之间的距离大于等于10mm；所述制冷箱的侧壁面的上端设置有与所述冷冻室相连通的冷冻室进风道，所述制冷箱的侧壁面的下端还设置有与所述冷冻室相连通的冷冻室回风道；所述主风道的所述另一端与所述制冷箱的侧壁面的上端相连通，且所述主风道的高度高于所述冷冻室进风道的高度。
根据本发明的一个示例，所述冷藏室进风道上和所述变温室进风道上分别设置有冷藏室进风口和变温室进风口；所述冷藏室的后壁面内和所述变温室的后壁面内还分别设置有与所述冷藏室进风口和所述变温室进风口相配合的冷藏室风道连接位和变温室风道连接位，所述冷藏室进风口和所述变温室进风口可分别与所述冷藏室风道连接位和所述变温室风道连接位相连接；所述冷藏室风道连接位和所述变温室风道连接位内均设置有所述电动 风门。
根据本发明的一个示例，所述冷藏室回风道的一端为冷藏室回风口、另一端为第一冷冻回风口，所述冷藏室回风口与所述冷藏室相连接、所述第一冷冻回风口与所述制冷箱相连接；所述变温室回风道的一端为第二冷冻回风口、另一端为变温室回风口，所述第二冷冻回风口与所述制冷箱相连接、所述变温室回风口与所述变温室相连接；其中，所述第一冷冻回风口和所述第二冷冻回风口均与所述制冷箱的侧壁面的下端相连接，且所述第一冷冻回风口和所述第二冷冻回风口之间的距离为10mm。
根据本发明的一个示例，所述主风道上设置有主风道进风口，所述制冷箱的侧壁面的上端上设有与所述主风道进风口相连接的主风道连接位，所述主风道连接位与所述冷冻室进风道相连通，且所述主风道连接位的高度高于所述冷冻室进风道的高度；所述主风道连接位内还设置有风扇电机，所述风扇电机转动时，可将所述翅片蒸发器所产生的冷气吹入至所述主风道内，并将部分冷气通过所述冷冻室进风道吹入至所述冷冻室内。
根据本发明的一个示例，所述冷藏室回风道的横截面积为所述冷藏室进风道的横截面积的1-1.2倍，所述变温室回风道的横截面积为所述变温室进风道的横截面积的1-1.2倍。
根据本发明的一个示例，所述冷藏室回风道的横截面积为所述冷藏室进风道的横截面积的1.2倍，所述变温室回风道的横截面积为所述变温室进风道的横截面积的1.2倍。
根据本发明的一个示例，所述进风道包括：进风道上盖和进风道下盖，所述进风道上盖上和所述进风道下盖上分别设置有卡扣和卡位，所述进风道上盖和所述进风道下盖通过所述卡扣和所述卡位的配合相卡接，组成所述进风道，且所述进风道的外壁面上还缠绕有聚丙烯胶带；所述进风道下盖上设置有风道卡扣，所述冰箱的后壁面上设置有风道卡位，所述进风道通过所述冷藏室进风道上的所述风道卡扣与所述风道卡位的配合卡接于所述冰箱的后壁面上。
根据本发明的一个示例，所述回风道还包括：固定板，所述固定板上设置有通孔，所述冷藏室回风道和所述变温室回风道通过所述固定板固定地连接在一起，所述冰箱的后壁面上设置有与所述通孔相匹配的螺纹孔，所述固定板螺接于所述冰箱的后壁面上。
根据本发明的一个示例，所述进风道和所述回风道均为聚丙烯材质，且所述进风道还通过胶带粘附于所述冰箱的后壁面上。
本发明的附加方面和优点将在下面的描述中部分给出，部分将从下面的描述中变得明显，或通过本发明的实践了解到。
附图说明
本发明的上述和/或附加的方面和优点从结合下面附图对实施例的描述中将变得明显和容易理解，其中：
图1是根据本发明一个实施例所述的风冷电冰箱的主视结构示意图；
图2是图1中所示的风冷电冰箱去掉箱门后的主视结构示意图；
图3是图1中所示的风冷电冰箱背部的爆炸图；
图4是图1中所示的风冷电冰箱后视结构示意图；
图5是图1中所示的风冷电冰箱的剖视结构示意图；
图6是图3中所示的风冷电冰箱中的所述进风道的立体结构示意图；
图7是图3中所示的风冷电冰箱中的所述回风道的立体结构示意图；
图8是图5中所示的风冷电冰箱中A部的局部结构示意图；
图9是图5中所示的风冷电冰箱中B部的局部结构示意图；
图10是图5中所示的风冷电冰箱中C部的局部结构示意图。
具体实施方式
下面详细描述本发明的实施例，所述实施例的示例在附图中示出，其中自始至终相同或类似的标号表示相同或类似的元件或具有相同或类似功能的元件。下面通过参考附图描述的实施例是示例性的，仅用于解释本发明，而不能理解为对本发明的限制。
在本发明的描述中，需要理解的是，术语“中心”、“上”、“下”、“前”、“后”、“左”、“右”、“竖直”、“水平”、“顶”、“底”“内”、“外”等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本发明和简化描述，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本发明的限制。
需要说明的是，术语“第一”、“第二”仅用于描述目的，而不能理解为指示或暗示相对重要性或者隐含指明所指示的技术特征的数量。由此，限定有“第一”、“第二”的特征可以明示或者隐含地包括一个或者更多个该特征。进一步地，在本发明的描述中，除非另有说明，“多个”的含义是两个或两个以上。
在下面的描述中阐述了很多具体细节以便于充分理解本发明，但是，本发明还可以采用其他不同于在此描述的方式来实施，因此，本发明的保护范围并不受下面公开的具体实施例的限制。
实施例一：
如图1至图10所示，根据本发明一些实施例提供的一种风冷电冰箱，包括：进风道101和回风道102，所述进风道101和所述回风道102均安装于冰箱108的后壁内，所述冰箱108内设置有：冷冻室103、冷藏室104和变温室105；还包括：翅片蒸发器 106和电动风门107；所述进风道101包括主风道1011、冷藏室进风道1012和变温室进风道1013，所述主风道1011的一端分别与所述冷藏室进风道1012和变温室进风道1013相连接、另一端与所述翅片蒸发器106的出口相连接，所述翅片蒸发器106依次通过所述主风道1011、所述冷藏室进风道1012和所述变温室进风道1013分别向所述冷藏室104和所述变温室105提供冷气，所述翅片蒸发器106还向所述冷冻室103提供冷气；所述回风道102包括：冷藏室回风道1021和变温室回风道1022，所述冷藏室回风道1021将所述冷藏室104内的回气导入至所述翅片蒸发器106的下方，所述变温室回风道1022将所述变温室105内的回气导入至所述翅片蒸发器106的下方，且所述冷藏室回风道1021的出口和所述变温室回风道1022的出口在所述翅片蒸发器106的下方间隔开；所述电动风门107分别设置在所述冷藏室进风道1012和变温室进风道1013内，所述电动风门107可独立调节进入所述冷藏室104和所述变温室105内的进风量。
该风冷电冰箱中的进风道可与冷藏室、变温室和翅片蒸发器的出口连接，并将经过翅片蒸发器后的冷气通过冷藏室进风道和变温室进风道同时地输送至冷藏室和变温室内，进风道的结构简单，相比现有技术中的进风道而言，占用空间更小，生产成本更低，并且无需电动切换阀切换冷媒，降温速度更快，结构更为简单，生产成本更低；此外，冷藏室回风道与变温室回风道在翅片蒸发器的下方被间隔开，可有效防止温度和湿度差异较大的两种回气混合以使翅片蒸发器、冷藏室回风道和变温室回风道结霜，节省了化霜所需要的能耗，使该风冷电冰箱的能耗更低；另外，电动风门可独立调节进入冷藏室和变温室内的进风量，使该风冷电冰箱对于冷藏室和变温室的温度控制更为精准。
具体地，如图3至图6和图10所示，所述翅片蒸发器106安装于制冷箱1081中，所述制冷箱1081设置于所述冰箱108后壁的下部，所述翅片蒸发器106安装于所述制冷箱1081内的中部，所述冷藏室回风道1021和所述变温室回风道1022均与所述制冷箱1081的侧壁面的下端相连接，在所述冷藏室回风道1021和所述变温室回风道1022与所述制冷箱1081的侧壁面连接的一端，所述冷藏室回风道1021和所述变温室回风道1022之间的距离大于等于10mm；所述制冷箱1081的侧壁面的上端设置有与所述冷冻室103相连通的冷冻室进风道1082，所述制冷箱1081的侧壁面的下端还设置有与所述冷冻室103相连通的冷冻室回风道1083；所述主风道1011的所述另一端与所述制冷箱1081的侧壁面的上端相连通，且所述主风道1011的高度高于所述冷冻室进风道1082的高度。
冷藏室回风道和变温室回风道均与制冷箱的侧壁面的下端相连接，可有效防止冷藏室的和变温室的温度和湿度差异较大的两种回气混合以使翅片蒸发器、冷藏室回风道和变温室回风道结霜，节省了化霜所需要的能耗，使该风冷电冰箱的能耗更低；另外，主风道与冷冻室进风道相连通，经过翅片蒸发器的冷气可直接通过主风道和冷冻室进风道分别输送至冷藏室、变温室和冷冻室内，结构简单，易于生产制造。
具体地，如图3、图5、图6、图8和图9所示，所述冷藏室进风道1012上和所述变温室进风道1013上分别设置有冷藏室进风口10121和变温室进风口10131；所述冷 藏室104的后壁面内和所述变温室105的后壁面内还分别设置有与所述冷藏室进风口10121和所述变温室进风口10131相配合的冷藏室风道连接位1041和变温室风道连接位1051，所述冷藏室进风口10121和所述变温室进风口10131可分别与所述冷藏室风道连接位1041和所述变温室风道连接位1051相连接；所述冷藏室风道连接位1041和所述变温室风道连接位1051内均设置有所述电动风门107。
电动风门设置于冷藏室风道连接位和变温室风道连接位内，可独立地调节进入冷藏室和变温室内的进风量，使该风冷电冰箱对于冷藏室和变温室的温度控制更为精准。
具体地，如图3、图5、图7和图10所示，所述冷藏室回风道1021的一端为冷藏室回风口10211、另一端为第一冷冻回风口10212，所述冷藏室回风口10211与所述冷藏室104相连接、所述第一冷冻回风口10212与所述制冷箱1081相连接；所述变温室回风道1022的一端为第二冷冻回风口10222、另一端为变温室回风口10221，所述第二冷冻回风口10222与所述制冷箱1081相连接、所述变温室回风口10221与所述变温室105相连接；其中，所述第一冷冻回风口10212和所述第二冷冻回风口10222均与所述制冷箱1081的侧壁面的下端相连接，且所述第一冷冻回风口10212和所述第二冷冻回风口10222之间的距离为10mm。
当然，如图3、图5、图6和图10所示，所述主风道1011上设置有主风道进风口10111，所述制冷箱1081的侧壁面的上端上设有与所述主风道进风口10111相连接的主风道连接位10811，所述主风道连接位10811与所述冷冻室进风道1082相连通，且所述主风道连接位10811的高度高于所述冷冻室进风道1082的高度；所述主风道连接位10811内还设置有风扇电机10812，所述风扇电机10812转动时，可将所述翅片蒸发器106所产生的冷气吹入至所述主风道1011内，并将部分冷气通过所述冷冻室进风道1082吹入至所述冷冻室103内。
风扇电机转动时，经过翅片蒸发器所产生的冷气可被吹入至主风道内，而在风扇电机的作用下，冷气在向主风道吹入的过程中会经过冷冻室进风道，进而被吹入至冷冻室内，整体结构简单，冷冻室内无需单独设置风扇电机即可引入冷气，可有效降低成本、节约能耗。
具体地，如图3至图10所示，所述冷藏室回风道1021的横截面积为所述冷藏室进风道1012的横截面积的1-1.2倍，所述变温室回风道1022的横截面积为所述变温室进风道1013的横截面积的1-1.2倍。
优选地，如图3至图10所示，所述冷藏室回风道1021的横截面积为所述冷藏室进风道1012的横截面积的1.2倍，所述变温室回风道1022的横截面积为所述变温室进风道1013的横截面积的1.2倍。
当冷藏室回风道的横截面积为冷藏室进风道的横截面积的1.2倍，变温室回风道的横截面积为变温室进风道的横截面积的1.2倍时，可使进风与回风达到平衡，提高冷风的循环效率，进而提高了风冷电冰箱的制冷效率，降低风冷电冰箱的能耗。
在本发明的一个实施例中，如图3至图6所示，所述进风道101包括：进风道上盖 1014和进风道下盖1015，所述进风道上盖1014上和所述进风道下盖1015上分别设置有卡扣和卡位，所述进风道上盖1014和所述进风道下盖1015通过所述卡扣和所述卡位的配合相卡接，组成所述进风道，且所述进风道的外壁面上还缠绕有聚丙烯胶带；所述进风道下盖1015上设置有风道卡扣10151，所述冰箱108的后壁面上设置有风道卡位1084，所述进风道101通过所述冷藏室进风道1012上的所述风道卡扣10151与所述风道卡位1084的配合卡接于所述冰箱108的后壁面上。
区别于传统风冷电冰箱的风道，该进风道为卡接结构，易于进风道的生产组装；并且，进风道装配于风冷电冰箱上的过程中，无需螺钉进行固定，提高了组装效率；另外，进风道的外壁面上还缠绕有聚丙烯胶带，聚丙烯胶带的成本低，密封效果良好，易于组装。
具体地，如图3、图4和图7所示，所述回风道102还包括：固定板1023，所述固定板1023上设置有通孔，所述冷藏室回风道1021和所述变温室回风道1022通过所述固定板1023固定地连接在一起，所述冰箱108的后壁面上设置有与所述通孔相匹配的螺纹孔，所述固定板1023螺接于所述冰箱108的后壁面上。
冷藏室回风道和变温室回风道通过固定板固定地连接在一起，可使冷藏室回风道与变温室回风道之间的连接更为稳固，使用中更为可靠，并且便于生产组装。
具体地，如图4至图7所示，所述进风道101和所述回风道102均为聚丙烯材质，且所述进风道101还通过胶带粘附于所述冰箱108的后壁面上。
进风道和回风道均为聚丙烯材质，区别于传统风冷电冰箱的EPS泡沫风道，该聚丙烯材质的风道密封性更好，结构更为简单，运输过程中不易发生损坏，且成本更低。
实施例二：
如图1至图5所示，根据本发明一些实施例提供的一种风冷电冰箱，所述风冷电冰箱包括有上述任一实施例所述的风冷电冰箱。
装配有该风冷电冰箱的风冷电冰箱更易于生产组装，从而使该风冷电冰箱的生产效率更高；并且该风冷电冰箱中的风冷电冰箱的结构更为简单，使该风冷电冰箱的生产成本更低，进而有效提高产品的经济效益，另外，该风冷电冰箱的翅片蒸发器不需要化霜，能耗更低，进风道对冷藏室和变温室同时输送冷气，可使降温速度更快，而电动风门可精准地控制冷藏室和变温室的进风量，进而使冷藏室和变温室的温度控制更为精准因此，该风冷电冰箱相比传统的风冷电冰箱均具有更大的优势，有助于提高该风冷电冰箱的销量。
综上所述，该风冷电冰箱中的进风道可与冷藏室、变温室和翅片蒸发器的出口连接，并将经过翅片蒸发器后的冷气通过冷藏室进风道和变温室进风道同时地输送至冷藏室和变温室内，进风道的结构简单，相比现有技术中的进风道而言，占用空间更小，生产成本更低，并且无需电动切换阀切换冷媒，降温速度更快，结构更为简单，生产成本更低；此外，冷藏室回风道与变温室回风道在翅片蒸发器的下方被间隔开，可有效防止温度和湿度差异较大的两种回气混合以使翅片蒸发器、冷藏室回风道和变温室回风道结 霜，节省了化霜所需要的能耗，使该风冷电冰箱的能耗更低；另外，电动风门可独立调节进入冷藏室和变温室内的进风量，使该风冷电冰箱对于冷藏室和变温室的温度控制更为精准；而装配有该风冷电冰箱的风冷电冰箱更易于生产组装，从而使该风冷电冰箱的生产效率更高；并且该风冷电冰箱中的风冷电冰箱的结构更为简单，使该风冷电冰箱的生产成本更低，进而有效提高产品的经济效益，另外，该风冷电冰箱的翅片蒸发器不需要化霜，能耗更低，进风道对冷藏室和变温室同时输送冷气，可使降温速度更快，而电动风门可精准地控制冷藏室和变温室的进风量，进而使冷藏室和变温室的温度控制更为精准因此，该风冷电冰箱相比传统的风冷电冰箱均具有更大的优势，有助于提高该风冷电冰箱的销量。
在本说明书的描述中，参考术语“一个实施例”、“一些实施例”、“示意性实施例”、“示例”、“具体示例”、或“一些示例”等的描述意指结合该实施例或示例描述的具体特征、结构、材料或者特点包含于本发明的至少一个实施例或示例中。在本说明书中，对上述术语的示意性表述不一定指的是相同的实施例或示例。而且，描述的具体特征、结构、材料或者特点可以在任何的一个或多个实施例或示例中以合适的方式结合。
尽管已经示出和描述了本发明的实施例，本领域的普通技术人员可以理解：在不脱离本发明的原理和宗旨的情况下可以对这些实施例进行多种变化、修改、替换和变型，本发明的范围由权利要求及其等同物限定。

Claims (10)

  1. 一种风冷电冰箱，其特征在于，包括：
    冷冻室；
    冷藏室；
    变温室；
    翅片蒸发器；
    进风道，所述进风道安装于冰箱的后壁内，所述进风道包括主风道、冷藏室进风道和变温室进风道，所述主风道的一端分别与所述冷藏室进风道和变温室进风道相连接、另一端与所述翅片蒸发器的出口相连接，所述翅片蒸发器依次通过所述主风道、所述冷藏室进风道和所述变温室进风道分别向所述冷藏室和所述变温室提供冷气，所述翅片蒸发器还向所述冷冻室提供冷气；
    回风道，所述回风道安装于冰箱的后壁内，所述回风道包括：冷藏室回风道和变温室回风道，所述冷藏室回风道将所述冷藏室内的回气导入至所述翅片蒸发器的下方，所述变温室回风道将所述变温室内的回气导入至所述翅片蒸发器的下方，且所述冷藏室回风道的出口和所述变温室回风道的出口在所述翅片蒸发器的下方间隔开；
    电动风门；所述电动风门分别设置在所述冷藏室进风道和变温室进风道内且可独立调节进入所述冷藏室和所述变温室内的进风量。
  2. 根据权利要求1所述的风冷电冰箱，其特征在于，所述翅片蒸发器安装于制冷箱中，所述制冷箱设置于所述冰箱后壁的下部，所述翅片蒸发器安装于所述制冷箱内的中部，所述冷藏室回风道和所述变温室回风道均与所述制冷箱的侧壁面的下端相连接，在所述冷藏室回风道和所述变温室回风道与所述制冷箱的侧壁面连接的一端，所述冷藏室回风道和所述变温室回风道之间的距离大于等于10mm；
    所述制冷箱的侧壁面的上端设置有与所述冷冻室相连通的冷冻室进风道，所述制冷箱的侧壁面的下端还设置有与所述冷冻室相连通的冷冻室回风道；
    所述主风道的所述另一端与所述制冷箱的侧壁面的上端相连通，且所述主风道的高度高于所述冷冻室进风道的高度。
  3. 根据权利要求2所述的风冷电冰箱，其特征在于，所述冷藏室进风道上和所述变温室进风道上分别设置有冷藏室进风口和变温室进风口；
    所述冷藏室的后壁面内和所述变温室的后壁面内还分别设置有与所述冷藏室进风口和所述变温室进风口相配合的冷藏室风道连接位和变温室风道连接位，所述冷藏室进风口和所述变温室进风口可分别与所述冷藏室风道连接位和所述变温室风道连接位相连接；
    所述冷藏室风道连接位和所述变温室风道连接位内均设置有所述电动风门。
  4. 根据权利要求3所述的风冷电冰箱，其特征在于，所述冷藏室回风道的一端为冷藏室回风口、另一端为第一冷冻回风口，所述冷藏室回风口与所述冷藏室相连接、所述第一 冷冻回风口与所述制冷箱相连接；
    所述变温室回风道的一端为第二冷冻回风口、另一端为变温室回风口，所述第二冷冻回风口与所述制冷箱相连接、所述变温室回风口与所述变温室相连接；
    其中，所述第一冷冻回风口和所述第二冷冻回风口均与所述制冷箱的侧壁面的下端相连接，且所述第一冷冻回风口和所述第二冷冻回风口之间的距离为10mm。
  5. 根据权利要求4所述的风冷电冰箱，其特征在于，所述主风道上设置有主风道进风口，所述制冷箱的侧壁面的上端上设有与所述主风道进风口相连接的主风道连接位，所述主风道连接位与所述冷冻室进风道相连通，且所述主风道连接位的高度高于所述冷冻室进风道的高度；
    所述主风道连接位内还设置有风扇电机，所述风扇电机转动时，可将所述翅片蒸发器所产生的冷气吹入至所述主风道内，并将部分冷气通过所述冷冻室进风道吹入至所述冷冻室内。
  6. 根据权利要求1-5中任一项所述的风冷电冰箱，其特征在于，所述冷藏室回风道的横截面积为所述冷藏室进风道的横截面积的1-1.2倍，所述变温室回风道的横截面积为所述变温室进风道的横截面积的1-1.2倍。
  7. 根据权利要求6所述的风冷电冰箱，其特征在于，所述冷藏室回风道的横截面积为所述冷藏室进风道的横截面积的1.2倍，所述变温室回风道的横截面积为所述变温室进风道的横截面积的1.2倍。
  8. 根据权利要求1-7中任一项所述的风冷电冰箱，其特征在于，所述进风道包括：
    进风道上盖和进风道下盖，所述进风道上盖上和所述进风道下盖上分别设置有卡扣和卡位，所述进风道上盖和所述进风道下盖通过所述卡扣和所述卡位的配合相卡接，组成所述进风道，且所述进风道的外壁面上还缠绕有聚丙烯胶带；
    所述进风道下盖上设置有风道卡扣，所述冰箱的后壁面上设置有风道卡位，所述进风道通过所述冷藏室进风道上的所述风道卡扣与所述风道卡位的配合卡接于所述冰箱的后壁面上。
  9. 根据权利要求1-8中任一项所述的风冷电冰箱，其特征在于，所述回风道还包括：
    固定板，所述固定板上设置有通孔，所述冷藏室回风道和所述变温室回风道通过所述固定板固定地连接在一起，所述冰箱的后壁面上设置有与所述通孔相匹配的螺纹孔，所述固定板螺接于所述冰箱的后壁面上。
  10. 根据权利要求9所述的风冷电冰箱，其特征在于，所述进风道和所述回风道均为聚丙烯材质，且所述进风道还通过胶带粘附于所述冰箱的后壁面上。
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