WO2019137375A1 - 送风组件、送风系统及冰箱 - Google Patents

送风组件、送风系统及冰箱 Download PDF

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Publication number
WO2019137375A1
WO2019137375A1 PCT/CN2019/070868 CN2019070868W WO2019137375A1 WO 2019137375 A1 WO2019137375 A1 WO 2019137375A1 CN 2019070868 W CN2019070868 W CN 2019070868W WO 2019137375 A1 WO2019137375 A1 WO 2019137375A1
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WO
WIPO (PCT)
Prior art keywords
air
air supply
duct cover
wind wheel
disposed
Prior art date
Application number
PCT/CN2019/070868
Other languages
English (en)
French (fr)
Inventor
王宁
吴光瑞
李鸿亮
李鹏辉
丁晓
刘畅
徐朝阁
梁星
陈庆
Original Assignee
青岛海尔股份有限公司
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
Priority claimed from CN201810020183.1A external-priority patent/CN110017640B/zh
Priority claimed from CN201810020188.4A external-priority patent/CN110017648B/zh
Priority claimed from CN201810020184.6A external-priority patent/CN110017641B/zh
Priority claimed from CN201810019798.2A external-priority patent/CN110017646B/zh
Application filed by 青岛海尔股份有限公司 filed Critical 青岛海尔股份有限公司
Priority to US16/961,077 priority Critical patent/US11713915B2/en
Priority to AU2019206946A priority patent/AU2019206946B2/en
Priority to MX2020007104A priority patent/MX2020007104A/es
Priority to EP19739003.2A priority patent/EP3722711B1/en
Publication of WO2019137375A1 publication Critical patent/WO2019137375A1/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
    • 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
    • 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
    • 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
    • F25D2317/063—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 with air guides
    • 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
    • F25D2317/068—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
    • 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
    • F25D2317/0683—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 the fans not of the axial type
    • 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
    • F25D2321/00—Details or arrangements for defrosting; Preventing frosting; Removing condensed or defrost water, not provided for in other groups of this subclass
    • F25D2321/14—Collecting condense or defrost water; Removing condense or defrost water
    • F25D2321/144—Collecting condense or defrost water; Removing condense or defrost water characterised by the construction of drip water collection pans
    • F25D2321/1441—Collecting condense or defrost water; Removing condense or defrost water characterised by the construction of drip water collection pans inside a refrigerator

Definitions

  • the present invention relates to the field of refrigeration and refrigeration technology, and more particularly to a blower assembly and a blower system for a refrigerator, and a refrigerator having the blower assembly and the air supply system.
  • the rear side of the existing dual-system refrigerator refrigerating compartment is generally provided with a duct for supplying cold to the refrigerating compartment, and the fan and air duct structure therein occupy a certain volume of the refrigerating compartment, which is disadvantageous for the effective utilization of the compartment space.
  • Another object of the present invention is to prevent the negative pressure in the storage space side chamber of the refrigerator compartment from being too low.
  • a further object of the invention is to simplify the assembly of the blower assembly.
  • the present invention provides a blower assembly for a refrigerator, comprising:
  • the air duct cover together with the inner tank of the refrigerator, defines a ventilation space, and is configured to isolate the air supply space from a storage space located in the compartment of the refrigerator;
  • centrifugal wind wheel disposed in the air supply space to take in air from the axial direction and blow out to the circumference side;
  • a plurality of air return openings are formed on the air duct cover to allow air in the storage space to enter the air supply space;
  • the centrifugal wind wheel is disposed on the inner side of the air duct cover in abutment manner, and is configured to suck air on the rear side to suck air entering the air supply space through the air return port from the rear side of the centrifugal wind wheel.
  • the corresponding area of the inner tank and the centrifugal wind wheel is configured to protrude outwardly away from the air duct cover to increase the air supply space on the suction side of the centrifugal wind wheel.
  • the air supply assembly is configured to be located at a lower rear side of the compartment, and an air flow passage is disposed above the air supply passage;
  • An evaporator is disposed in the airflow passage, and the airflow passage has an air supply port for supplying air to the storage space;
  • the centrifugal rotor is configured to cause the airflow to accelerate upwardly into the airflow passage and through the evaporator to the air supply.
  • the air duct cover is directly mounted and fixed to the inner tank of the refrigerator, and the fan volute is disposed inside the air duct cover, and the centrifugal wind wheel is disposed in the fan volute.
  • a fan volute is formed on the inner side of the duct cover to install the centrifugal wind wheel
  • the fan volute is configured to be integrally formed with the air duct cover.
  • the air supply component further includes:
  • a fan back cover disposed between the centrifugal wind wheel and the inner tank, configured to be fastened from the rear side cover of the centrifugal wind wheel;
  • the rear cover of the fan is provided with an air inlet to allow the centrifugal wind wheel to suck in the air in the air supply space through the air inlet;
  • the fan back cover, the fan volute and the centrifugal wind wheel constitute a centrifugal fan
  • the fan volute has a positioning notch
  • the fan back cover has a positioning post extending forward from the front surface thereof to insert a positioning notch when the fan back cover is installed inside the air duct cover.
  • the fan back cover is configured to be directly mounted and fixed to the air duct cover between the centrifugal wind wheel and the inner tank.
  • the air duct cover includes a main body portion and a guiding portion, and the fan volute is disposed inside the main body portion;
  • the body portion is configured to be disposed away from the inner tank relative to the air flow passage;
  • the guide portion is configured to extend upward from the top end of the main body portion and toward the inner casing to guide the airflow blown by the centrifugal wind wheel to the air flow passage.
  • At least one set of return air groups is disposed on the main body portion, and each return air group includes a plurality of return air ports;
  • the return air group is configured to be located at an area near the lateral end of the main body portion; and the projections of the plurality of return air openings of the return air group on the air duct cover are located outside the projection of the fan volute on the air duct cover.
  • the air supply component further includes:
  • a plurality of shielding caps are disposed on the storage space side respectively disposed above the plurality of return air outlets of the return air group to shield the return air outlet from above, and to cause air in the storage space to flow from the bottom to the inside of the shielding cap and Enter the return air outlet.
  • At least one lateral side end of the air duct cover is provided with a side cover extending toward the inner casing;
  • At least one return air opening is opened on the side cover.
  • the present invention also provides an air supply system for a refrigerator, comprising the air supply assembly of any of the foregoing, and
  • An evaporator disposed above the centrifugal rotor and configured to exchange heat with air flowing therethrough;
  • the centrifugal rotor is configured to draw air from its axial direction and blow it upward;
  • a portion of the bladder located below the evaporator is configured to flex toward the duct cover to form a water receiving bottom, and a portion of the bladder causes the projection of the evaporator in the vertical direction to fall into the bottom of the water.
  • a portion of the inner liner located below the evaporator and above the bottom of the water receiving portion is configured to protrude away from the air duct cover to form a water receiving side portion;
  • the bottom of the water receiving bottom is disposed closer to the side of the air duct cover than the side closer to the water receiving side so that the water droplets falling thereon flow toward the water receiving side;
  • the junction of the water receiving side portion and the water receiving bottom portion is configured to have an inclined angle such that the intermediate position thereof is lower than the intermediate position, and the intermediate position is provided with a drain port to guide the liquid flowing to the junction to flow out from the drain port.
  • the present invention also provides a refrigerator having a casing including at least one compartment and the air supply assembly of any of the above, wherein at least one compartment is a refrigerating compartment, and the air supply unit is disposed in the refrigerating compartment.
  • the air supply assembly of the invention has a return air path from the air return port on the front side of the centrifugal wind wheel to the air inlet port on the rear side of the centrifugal wind wheel, so that there is no need to leave a gap between the centrifugal wind wheel and the air duct cover, which increases The volume of the storage space located in front of the duct cover.
  • the air supply assembly of the present invention extends the return air path by setting the return air path to bypass the centrifugal wind wheel main body from the front to the rear, thereby avoiding the sudden change of the flow direction of the air that has just entered the air supply space through the return air inlet, thereby extending the return air path.
  • the return air flow is smoothed to reduce the return air noise, and the negative pressure on the storage space side is prevented from being too low.
  • the fan back cover of the present invention can be fixed to the air duct cover and installed on the inner tank through the air duct cover, thereby forming a modular member together with the air duct cover, thereby further simplifying the air supply. Assembly process of components.
  • FIG. 1 is a schematic front view of a blower assembly in accordance with one embodiment of the present invention.
  • Figure 2 is a schematic cross-sectional view taken along line A-A of Figure 1, in which the dotted line with arrows shows the direction of air flow;
  • Figure 3 is a schematic exploded view of a blower assembly in accordance with one embodiment of the present invention.
  • Figure 4 is a schematic exploded view of the air supply assembly as viewed from another angle, in accordance with one embodiment of the present invention.
  • Figure 5 is a schematic rear elevational view of a duct cover in accordance with one embodiment of the present invention.
  • Figure 6 is a schematic partial enlarged view of the air duct cover shown in Figure 5, showing a blind hole
  • Figure 7 is a schematic cross-sectional view taken along line B-B of Figure 6;
  • Figure 8 is a schematic front view of a fan back cover in accordance with one embodiment of the present invention.
  • Figure 9 is a schematic side view of a fan back cover in accordance with one embodiment of the present invention.
  • Figure 10 is a schematic side cross-sectional view of a compartment having a blower assembly, in accordance with one embodiment of the present invention.
  • Figure 11 is a schematic front view of a portion of a liner in accordance with one embodiment of the present invention.
  • Figure 12 is a schematic front view of an evaporator in accordance with one embodiment of the present invention.
  • Figure 13 is a schematic cross-sectional view taken along line C-C of Figure 12;
  • Figure 14 is a schematic exploded view of a fin in accordance with one embodiment of the present invention.
  • the present invention provides a blower assembly for a refrigerator, which can be further included in a blower system and applied to a refrigerator.
  • the refrigerator may generally have a casing outer casing as its outer surface and a inner casing located inside the casing outer casing.
  • the bladder can define a compartment, and at least a portion of the space within the compartment can be a storage space.
  • There may be a plurality of compartments, and may be provided as a refrigerating compartment, a freezing compartment, or a temperature changing compartment as needed.
  • airflow passages are generally provided in the refrigerating compartments of some air-cooled or dual-system refrigerators to provide cooling air for the storage space of the refrigerating compartment.
  • a blower assembly may be disposed in the airflow passage to form a fast flowing air, or the airflow passage may also be combined with the blower assembly to form a blower system that provides a cooling air to the refrigerating compartment.
  • the air supply assembly can be disposed at the most upstream of the air supply system. It can be understood that the most upstream here refers to the source of the air supply path, not the actual installation position of the air supply assembly.
  • the air supply system for the refrigerator may include a blower assembly and a heat exchange device.
  • the blower assembly may include a duct cover 200 and a centrifugal wind wheel 400.
  • the air duct cover 200 may be disposed substantially in parallel with the inner tank 100 of the refrigerator compartment 1 to define a supply air space 20 together with the inter-refrigerator inter-chamber 100, and configured to store the air supply space 20 and the compartment 1
  • the object space 10 is isolated.
  • the centrifugal rotor 400 may be disposed in the air supply space 20 to take in air from the axial direction and blow it toward the circumferential side.
  • the heat exchange device can be an evaporator 500 disposed above the centrifugal rotor 400 and configured to exchange heat with the air flowing therethrough.
  • a plurality of air return openings 201 may be defined in the air duct cover 200 to allow air in the storage space 10 to enter the air supply space 20.
  • the centrifugal rotor 400 is disposed inwardly of the duct cover 200 and is disposed to suck the rear side to draw air entering the air supply space 20 via the return air opening 201 from the rear side of the centrifugal wind wheel 400.
  • the inner side of the air duct cover 200 refers to the side of the air duct cover 200 facing the air supply space 20.
  • orientations of “upper”, “lower”, “front” and “rear” mentioned in the specification are defined according to the spatial positional relationship in the normal working state of the refrigerator, for example, the side of the refrigerator facing the user is front, and is placed toward it. One side of the wall of the position is the rear.
  • the air duct cover 200 may be disposed in front of the inner tank 100 on the rear side of the refrigerator compartment 1 to form a ventilation space 20 on the rear side of the compartment 1.
  • the return air opening 201 formed in the air duct cover 200 allows the air in the storage space 10 to flow into the air supply space 20 from the front to the rear.
  • the centrifugal wind wheel 400 configured to inhale on the rear side urges the air entering the air supply space 20 to continue to flow backward and to flow toward the center of the centrifugal wind wheel 400 at a position substantially behind the centrifugal wind wheel 400 and be sucked therein.
  • the air supply assembly of the present invention has a return air path from the air return port 201 on the front side of the centrifugal wind wheel 400 to the air intake port 302 on the rear side of the centrifugal wind wheel 400, so that there is no need to leave between the centrifugal wind wheel 400 and the air duct cover 200. There is a gap that increases the volume of the storage space 10 located in front of the duct cover 200.
  • the air supply assembly of the present invention bypasses the main body of the centrifugal wind wheel 400 from the front to the rear by the return air path, thereby avoiding the sudden change of the flow direction of the air that has just entered the air supply space 20 via the return air opening 201, so that the flow of the return air It is smoother and extends the return air path, which makes the return air flow gently reduce the return air noise, and avoids the storage due to the large amount of air being sucked to the air supply space side in a short time and concentrated at the centrifugal wind wheel.
  • the negative pressure on the space side is too low, which is convenient for the user to open the refrigerator door.
  • a fan volute 204 may be disposed inside the air duct cover 200, and the centrifugal wind wheel 400 may be disposed in the fan volute 204.
  • the fan volute 204 can be integrally formed with the air duct cover 200, that is, formed inside the air duct cover 200, and the air duct cover 200 can be directly mounted and fixed to the refrigerator compartment 1 through the connecting member. 100 to reduce the components of the air supply assembly and to simplify the assembly process of the air supply assembly.
  • a plurality of blind holes 204b are disposed in an inner portion of the air duct cover 200 inside the fan volute 204, and a center of each blind hole 204b protrudes outward to form a mounting post 204c.
  • the outer peripheral side of the centrifugal wind wheel 400 is provided with a plurality of mounting rings 400a configured to have an annular shape to be embedded in the blind holes 204b and sleeved on the mounting post 204c in the blind hole 204b, thereby mounting the centrifugal wind wheel 400 The location is limited.
  • the air supply assembly further includes a fan back cover 300 disposed between the centrifugal wind wheel 400 and the inner liner 100 and configured to be from the rear side cover of the centrifugal wind wheel 400. It is buckled on the outside to protect the centrifugal rotor 400.
  • the fan back cover 300 can be configured to be directly mounted and fixed to the air duct cover 200 between the centrifugal wind wheel 400 and the inner liner 100.
  • An air intake port 302 is opened in the fan back cover 300 to allow the centrifugal wind wheel 400 to draw air in the air supply space 20 via the air intake port 302.
  • the fan back cover 300 and the fan volute 204 together with the centrifugal wind wheel 400 constitute a centrifugal fan.
  • the centrifugal wind wheel 400 can draw air from the axial direction and blow the air upwards out of the centrifugal fan.
  • the fan back cover 300 can be directly fixed to the air duct cover 200 and mounted on the inner liner 100 through the air duct cover 200, thereby making the fan rear cover 300, the fan volute 204 and the centrifugal wind wheel 400 common.
  • the centrifugal fan is formed together with the air duct cover 200 to form a modular member, which further simplifies the assembly process of the air supply assembly, and is fixed to the air duct cover as compared with the centrifugal fan directly fixed to the inner liner 100.
  • the 200 centrifugal fan has less noise during operation.
  • the fan volute 204 may have a positioning notch 204a.
  • the fan back cover 300 may have a positioning post 301a extending forward from the front surface thereof to insert the positioning notch 204a when the fan back cover 300 is mounted inside the duct cover 200.
  • the inner side of the fan back cover 300 may have a double-layered rib 301 shaped with the fan volute 204, and configured to face the fan back cover 300 when the fan back cover 300 is mounted to the air duct cover 200. The ends are inserted into the gap between the double ribs 301.
  • the positioning notch 204a may be disposed at a lower side portion of the fan volute 204.
  • the positioning post 301a can be disposed between the double-layer ribs 301 and has an arc shape and is the same as the arc of the corresponding positions of the double-layer ribs 301 and the fan volute 204 to embed the positioning notches 204a to complete the fan volute 204.
  • the blower assembly is configured to be located on the lower rear side of the compartment 1 above which the airflow passage 22 is disposed.
  • An evaporator 500 may be disposed in the air flow passage 22, and a portion of the air flow passage 22 downstream (in the present embodiment, that is, in an upper region of the air flow passage 22) may be provided with an air supply port for supplying air to the storage space 10.
  • the centrifugal rotor 400 can be configured to blow up to cause the airflow to accelerate upwardly into the airflow passage 22 and through the evaporator 500 to the air supply. That is, in the vertical direction, the air supply assembly may be located below the lowermost layer of the shelf in the compartment 1 to save the upper space of the storage space 10, increasing the effective volume of the storage space 10.
  • the duct cover 200 may include a main body portion 200b and a guide portion 200a, and the fan volute 204 may be disposed inside the main body portion 200b.
  • the air duct cover 200 may be composed of upper and lower portions, and the guide portion 200a is located above the main body portion 200b.
  • the body portion 200b can be configured to be disposed away from the bladder 100 relative to the airflow passage 22.
  • the guide portion 200a may be configured to extend upward from the top end of the main body portion 200b and toward the inner liner 100 to guide the airflow blown by the centrifugal wind wheel 400 to the air flow passage 22. That is, the guide portion 200a and the top of the fan back cover 300 together define the air supply duct of the centrifugal fan.
  • the guiding portion 200a is closer to the side of the inner tank 100 with respect to the main body portion 200b of the centrifugal wind wheel 400, thereby gradually reducing the cross-sectional area of the air outlet duct of the centrifugal fan from bottom to top, thereby accelerating the air. flow.
  • the cover defining the airflow passage 22 may be configured to extend upwardly from the guide portion 200a of the air duct cover 200. That is, the air flow passage 22 and the air supply space 20 may be separated from the storage space 10 by the same complete cover.
  • the corresponding region of the inner liner 100 and the centrifugal rotor 400 is configured to protrude outwardly away from the air duct cover 200 to increase the air supply space 20 on the suction side of the centrifugal wind wheel 400.
  • the extent to which the inner liner 100 protrudes outward may be greater than the extent that the main body portion 200b advances "occupies" the storage space 10 to secure the volume of the storage space 10.
  • "occupied" herein means that the main body portion 200b is closer to the front side of the casing with respect to the guide portion 200a.
  • the rear side of the inner liner 100 is a foamed layer of the refrigerator, the front and rear positions of the inner liner 100 do not significantly affect the foaming effect of the foamed layer.
  • the rear side suction centrifugal wind wheel 400 is disposed close to the main body portion 200b, the main body portion 200b does not need to be disposed too far forward, and the air supply assembly of the present invention is reduced in comparison with the front side suction air supply assembly.
  • the demand for the wind space 20 is such that the volume of the storage space 10 is larger.
  • outwardly protruding refers to the exterior of the air supply space 20, and may be toward the storage space 10 or a foamed layer of the refrigerator facing the rear side of the inner liner 100.
  • the present invention also provides an air supply system that can include the aforementioned air supply assembly, heat exchange device (e.g., evaporator 500), and a refrigerator interior that is at least partially used to assist in the delivery of refrigeration air.
  • heat exchange device e.g., evaporator 500
  • refrigerator interior that is at least partially used to assist in the delivery of refrigeration air.
  • a portion of the inner liner 100 of the air supply system located below the evaporator 500 is configured to be bent toward the air duct cover 200 to form a water receiving bottom portion 101 so that the projections of the evaporator 500 in the vertical direction are all dropped.
  • the water bottom 101 is connected. That is, the water tank of the refrigerator can be directly formed by bending and extending the inner liner 100 without additional arrangement.
  • a portion of the inner liner 100 located below the evaporator 500 and above the water receiving bottom 101 is configured to protrude away from the air duct cover 200 to form the water receiving side portion 102.
  • the water receiving bottom portion 101 is disposed closer to the side of the air duct cover 200 than to the side closer to the water receiving side portion 102 so that the water droplets falling thereon flow toward the water receiving side portion 102.
  • the intersection of the water receiving side portion 102 and the water receiving bottom portion 101 is configured to have an inclination angle such that the intermediate position thereof is lower than the intermediate position, and the intermediate position is provided with the drainage opening 103 to guide the liquid flowing to the junction.
  • the drain port 103 flows out.
  • the water receiving side portion 102 can be configured to protrude toward the foam layer to further guide the intersection of the water receiving bottom portion 101 and the water receiving side portion 102 obliquely downward and away from the air outlet duct.
  • the air blowing system of the refrigerator of the present invention does not require the use of an additional water tank component, and guides the defrosting water generated in the air blowing system through the inner tank 100 having the water receiving shape. Thereby, the manufacturing cost of the refrigerator is further reduced, and the fitting of the water tank structure and the inner liner 100 is avoided while the defrosting water is completely discharged.
  • the air supply assembly may further include a plurality of flow guiding ribs 202 disposed inside the air duct cover 200 and configurable to be located downstream of the air outlet path of the centrifugal wind wheel 400 for centrifuging
  • the airflow blown by the wind wheel 400 is divided into multiple strands.
  • the duct cover 200 generally has a certain width, and a plurality of guide bars 202 are sequentially disposed laterally along the duct cover 200.
  • the plurality of flow guiding ribs 202 may be disposed to be disposed inside the guiding portion 200a at the same interval to divide the airflow blown by the centrifugal wind wheel 400 into multiple strands, and the plurality of airflows are respectively separated by two adjacent The guide bars 202 flow backwards and upwards. Thereby, the wind blown by the centrifugal wind wheel 400 is uniformly flowed to the circumferential side of the evaporator 500 in the air flow passage 22 through the plurality of flow guiding ribs 202 to improve the heat exchange efficiency of the evaporator 500.
  • a plurality of water guiding strips 203 may be disposed above the plurality of flow guiding ribs 202 to prevent water droplets from entering the centrifugal fan.
  • the water barrier 203 may be disposed at an upper end edge of the guiding portion 200a facing the inner liner 100, and has an oblique downward angle in a direction from the air duct cover 200 to the inner liner 100 to block the portion from the upper portion. The opening of the wind duct. Since the guide portion 200a guides the air blown by the centrifugal fan to blow air backward, the water stop bar 203 located above the guide rib 202 does not adversely affect the amount of airflow and the wind speed of the cooling air sent backward.
  • the top of the fan back cover 300 may be provided with a shielding strip 303 configured to extend rearward from the top of the fan back cover 300 to and over the water receiving bottom 101 to shield the inner liner 100 and A return air area 21 between the fan back covers 300. That is, the shielding strip 303 at the top end of the fan back cover 300 completely separates the return air region 21 from the water receiving liner 100, and directs the liquid thereon to flow toward the water receiving liner 100, thereby completely avoiding condensation or water. The frost water enters the centrifugal fan.
  • connection of the shielding strip 303 on the side of the fan back cover 300 may be slightly lower than the top end of the fan back cover 300 to prevent the water droplets falling thereon from splashing into the air outlet duct by the top end of the fan back cover 300. Further, the connection of the shielding strip 303 may be disposed on a side of the fan back cover 300 higher than a side overlapping the water receiving bottom 101 to guide the water droplets thereon to flow toward the water receiving bottom 101.
  • the body portion 200b is provided with at least one set of return air groups, and each of the return air groups includes a plurality of return air ports 201.
  • the return air group may be disposed at an area near the lateral end of the main body portion 200b, and the projections of the plurality of return air openings 201 of the return air group on the air duct cover 200 are located on the air duct cover 200 of the fan volute 204. The outside of the projection.
  • the plurality of return air ports 201 can be configured as two return air groups, and each of the return air groups has a plurality of return air ports 201.
  • the two return air groups are respectively disposed at positions close to the lateral ends of the main body portion 200b. Thereby, the air in the storage space 10 enters the air supply space 20 from the circumferential side (mainly the lateral sides) of the fan volute 204, so that the change of the flow direction of the return air flow is more gentle, avoiding more excessively large Turn.
  • the air return port 201 on the circumferential side of the fan volute 204 of the present invention and the rear side suction air of the centrifugal wind wheel 400 are arranged to reduce the steering angle required for the return air flow, and provide sufficient return flow for the return air flow.
  • the direction of the space facilitates the return airflow to be continuously inhaled by the centrifugal wind wheel 400.
  • the blower assembly further includes a plurality of shadow caps 201a.
  • the plurality of shielding caps 201a may be disposed to be disposed above the plurality of return air openings 201 of the return air group on the storage space 10 side, respectively, to shield the return air outlet 201 from above, and to cause air in the storage space 10 to flow from bottom to top. It is inside the shielding cap 201a and enters the return air opening 201.
  • the air return opening 201 on the main body portion 200b may extend in the lateral direction, and a shielding cap 201a is disposed above each of the laterally extending return air outlets 201 to prevent solids such as liquid or particulate debris in the storage space 10 from entering with air. Air supply space 20.
  • At least one lateral side end of the duct cover 200 has a side cover 200c that extends toward the inner liner 100.
  • At least one return air opening 201 is defined in the side cover 200c.
  • the side cover 200c may be formed at one lateral side end of the main body portion 200b.
  • the side cover 200c may be formed on both the right and left sides of the main body portion 200b.
  • the side cover 200c can abut back against the inner liner 100 to isolate the air supply space 20 and the storage space 10.
  • Each of the side cover plates 200c can be provided with a plurality of return air openings 201 to promote air circulation in the compartments 1 and accelerate heat exchange efficiency.
  • the return air opening 201 on the side cover 200c may be configured to extend in the vertical direction, and a shielding cap 201a is provided on the front side of each of the air return ports 201 (that is, on the side close to the storage space 10).
  • evaporator 500 can have a plurality of linear conduits 501 extending laterally and vertically spaced and a plurality of transition conduits 502 connecting linear conduits 501.
  • a plurality of fins 503 are mounted in parallel and spaced apart on each of the straight lines 501, and the plate body 503a of the fins 503 is disposed to be disposed perpendicular to the inner liner 100.
  • the oblique portion 503b is located at the bottom of the side of the plate body 503a facing away from the inner liner 100, and is perpendicular to the plate body 503a.
  • each of the fins 503 has a bent portion.
  • the fins 503 may be configured in a rectangular sheet shape, one corner of which is configured to bend a plane in which most of the plate body 503a of the fin 503 is located to form a chamfered portion 503b, a plate of the obliquely folded portion 503b and the fin 503.
  • the bent portion 503c is formed at the bent portion of the body 503a.
  • the obliquely folded portion 503b may preferably be an angle located outside the lower end of each of the fins 503 to guide the liquid such as defrosting water on the fins 503 to flow toward the inner side of each of the fins 503 along the obliquely folded side 503c.
  • the water droplets dropped from the evaporator 500 as a whole are closer to the inner liner 100, reducing the width requirement of the docking water structure.
  • the obliquely folded portion 503b is disposed to be disposed perpendicular to the plate body 503a of the fin 503 such that the end of the obliquely folded portion 503b is as inward as possible while the plate of the fin 503 is made
  • the surface of the body 503a and the oblique portion 503b are kept at a certain distance to ensure the contact of the evaporator 500 with the air flowing therethrough, thereby enhancing the heat exchange efficiency.
  • the plurality of fins 503 mounted on each of the straight tubes 501 may be disposed such that the respective oblique portions 503b are bent in the same direction, thereby ensuring the defrosting water and the like dripped from the evaporator 500.
  • the plurality of linear conduits 501 and the plurality of transition conduits 502 may together form a serpentine conduit, and the plurality of fins 503 located on the plurality of linear conduits 501 at the upper portion of the serpentine conduit may be arranged to be serpentine
  • the plurality of fins 503 on the plurality of linear conduits 501 in the lower portion of the conduit are densely arranged.
  • the evaporator 500 may have two vertically extending support plates, respectively a left support plate 504a at the left end of the plurality of linear conduits 501, and a right end located at the right end of the plurality of linear conduits 501.
  • Support plate 504b Further, the bottom ends of the left support plate 504a and the right support plate 504b each have a fin 503 having a beveled portion 503b, and the two oblique portions 503b of the fins 503 at the ends of the support plate are disposed to face a straight line. The middle portion of the pipe 501 is bent.
  • the fin 503 at the end of the support plate may have a plate body 503a and a chamfered portion 503b which are substantially the same as the fin 503 of the linear pipe 501.
  • one of the end fins 503 can be configured to have exactly the same structure as the fins 503 of the linear conduit 501, and the other end fins 503 can be configured to mirror the fins 503 of the linear conduit 501. Symmetrical structure.
  • the oblique portion 503b of the end fin 503 in the bending direction of the oblique portion 503b of the fin 503 on the straight line 501 is disposed to be curved with the oblique portion 503b of the fin 503 of the straight line 501.
  • the folding direction is reversed, that is, it is bent relative to the oblique portion 503b of the straight line 501 fin 503.
  • the end portions of the outermost fins 503 of the evaporator 500 are all bent toward the inner side of the evaporator 500, thereby improving the position of the defrosting water flowing and dripping, and reducing the structural size of the docking water tank or the water receiving liner 100. Requirements.
  • the evaporator 500 of the present invention can realize the internal movement of the liquid dropping position such as defrosting water only by bending one end angle of the ordinary fin, and the technical solution is simple and easy to implement without other complicated structures.
  • bent oblique portion 503b is located between the adjacent two fins 503, that is, on the path of the flow of the heat exchange gas flow, increasing the spoiler 503 to the heat exchange gas flow, and improving the heat exchange efficiency.
  • the evaporator 500 having the above-described fins 503 is particularly suitable for mounting in cooperation with the above-described air blowing assembly. Due to the special structure of the air supply assembly described above, a partial area of the inner liner 100 needs to protrude beyond the inside of the air supply space 20 beyond the size of the general evaporator 500.
  • the evaporator 500 having the above-mentioned fins 503 can guide the defrosting water to the inside of the evaporator 500 under the premise of ensuring the heat exchange area, and prevent the defrosting water droplets from falling on the water receiving structure (that is, the water receiving bottom of the inner tank 100).
  • the water retaining structure of the duct cover 200 such as 200 and the mounting structure connected to the inner liner 100.
  • the present invention also provides a refrigerator 1 having a casing 2 including at least one compartment and the above-described air blowing assembly. At least one compartment is the refrigerating compartment 3, and the air supply unit is disposed in the refrigerating compartment 3.
  • the refrigerator 1 also has the evaporator 500 described above to simplify the assembly of the blower assembly within the refrigerator.

Abstract

一种用于冰箱的送风组件，包括：与冰箱内胆（100）共同限定出送风空间（20）且配置成将送风空间（20）与位于冰箱的间室（1）内的储物空间（10）隔离的风道盖板（200）；设置于送风空间（20）内且以自轴向吸入空气并向周侧吹出的离心风轮（400）。其中，风道盖板（200）上开设多个回风口（201）以允许储物空间（10）内的空气进入送风空间（20）。离心风轮（400）贴靠地设置于风道盖板（200）内侧，且配置成后侧吸风，以将经由回风口（201）进入送风空间（20）的空气自离心风轮（400）的后侧吸入。

Description

送风组件、送风系统及冰箱 技术领域
本发明涉及冷藏冷冻技术领域，特别是涉及用于冰箱的送风组件及送风系统，和具有该送风组件及送风系统的冰箱。
背景技术
现有双系统冰箱冷藏室后侧一般设置有用于向冷藏室提供冷量的风道，其内的风机及风道结构会占用一定的冷藏室容积，不利于间室空间的有效利用。
发明内容
本发明的一个目的是要提供一种占用空间较小的用于冰箱的送风组件。
本发明的另一个目的是要避免冰箱间室的储物空间侧间室负压过低。
本发明的一个进一步的目的是要简化送风组件的装配。
特别地，本发明提供了一种用于冰箱的送风组件，包括：
风道盖板，与冰箱的内胆共同限定出送风空间，且配置成将送风空间与位于冰箱的间室内的储物空间隔离；
离心风轮，设置于送风空间内，以自轴向吸入空气并向周侧吹出；其中
风道盖板上开设有多个回风口，以允许储物空间内的空气进入送风空间；且
离心风轮贴靠地设置于风道盖板内侧，且配置成后侧吸风，以将经由回风口进入送风空间的空气自离心风轮的后侧吸入。
可选地，内胆的与离心风轮的对应区域配置成背离风道盖板向外凸出，以增大位于离心风轮吸风侧的送风空间。
可选地，送风组件配置成位于间室的下部后侧，其上方设置有气流通道；
气流通道内设置有蒸发器，且气流通道具有用于向储物空间送风的送风口；以及
离心风轮配置成促使气流加速向上流动进入气流通道并通过蒸发器流向送风口。
可选地，风道盖板直接安装固定于冰箱的内胆，风道盖板内侧设有风机蜗壳，离心风轮设置于风机蜗壳内。
可选地，风道盖板内侧形成有风机蜗壳，以安装离心风轮；且
风机蜗壳配置成与风道盖板一体成型制造而成。
可选地，送风组件还包括：
风机后盖，设于离心风轮和内胆之间，配置成自离心风轮后侧罩扣于其外部；其中
风机后盖开设有吸气口以允许离心风轮经由吸气口将送风空间内的空气吸入；以及
风机后盖、风机蜗壳和离心风轮组成离心风机；且
风机蜗壳具有定位缺口，风机后盖具有自其前表面向前伸出的定位柱，以在风机后盖安装于风道盖板内侧时插入定位缺口。
可选地，风机后盖配置成于离心风轮和内胆之间直接安装固定于风道盖板。
可选地，风道盖板包括主体部和导向部，风机蜗壳设置于主体部内侧；
主体部配置成相对于气流通道远离内胆设置；以及
导向部配置成自主体部的顶端向上且朝向内胆弯折延伸以引导离心风轮吹出的气流 流向气流通道。
可选地，主体部上设置有至少一组回风组，每个回风组包括多个回风口；
回风组配置成位于主体部的靠近横向端部的区域；且回风组的多个回风口在风道盖板上的投影均位于风机蜗壳在风道盖板上的投影的外部。
可选地，送风组件还包括：
多个遮蔽帽，配置成分别在储物空间侧设置于回风组的多个回风口的上方，以自上方遮蔽回风口，且使储物空间内的空气自下向上流动至遮蔽帽内侧并进入回风口。
可选地，风道盖板的至少一个横向侧端设置有朝向内胆弯折延伸的侧部盖板；且
侧部盖板上开设有至少一个回风口。
本发明还提供一种用于冰箱的送风系统，包括前述任一项的送风组件，以及
蒸发器，设置于离心风轮上方，配置成与流经其的空气换热；其中
离心风轮配置成自其轴向吸入空气并向上吹出；以及
位于蒸发器下方的部分内胆配置成朝向风道盖板弯折延伸以形成接水底部，且部分内胆使蒸发器在竖直方向上的投影均落入接水底部。
可选地，位于蒸发器下方且位于接水底部上方的部分内胆配置成背离风道盖板凸出以形成接水侧部；
接水底部配置成靠近风道盖板的一侧高于靠近接水侧部的一侧，以使落在其上的水滴朝向接水侧部流动；以及
接水侧部与接水底部的交汇处配置成具有使其中间位置低于远离中间位置的倾斜角度，且中间位置开设有排水口，以引导流动至交汇处的液体自排水口流出。
本发明还提供一种冰箱，具有包括至少一个间室的箱体和前述任一项的送风组件，其中，至少一个间室为冷藏间室，且送风组件设置于冷藏间室内。
本发明的送风组件具有自离心风轮前侧的回风口至离心风轮后侧的吸气口的回风路径，使得离心风轮与风道盖板之间无需留有间隙，增大了位于风道盖板前方的储物空间的容积。
进一步地，本发明的送风组件通过将回风路径设置为自前向后绕过离心风轮主体，由此避免刚经由回风口进入送风空间的空气突然改变流动方向，延长了回风路径，使得回风气流平缓以降低回风噪音，且避免储物空间侧的负压过低。
进一步地，本发明的风机后盖可固定于风道盖板，并通过风道盖板安装于内胆上，由此使离心风机与风道盖板共同构成一个模块化构件，进一步简化送风组件的装配工艺。
附图说明
后文将参照附图以示例性而非限制性的方式详细描述本发明的一些具体实施例。附图中相同的附图标记标示了相同或类似的部件或部分。本领域技术人员应该理解，这些附图未必是按比例绘制的。附图中：
图1是根据本发明一个实施例的送风组件的示意性主视图；
图2是沿图1中的剖切线A-A截取的示意性剖视图，其中带有箭头的虚线示出了空气流动方向；
图3是根据本发明一个实施例的送风组件的示意性分解图；
图4是根据本发明的一个实施例的送风组件自另一角度观察的示意性分解图；
图5是根据本发明一个实施例的风道盖板的示意性后视图；
图6是图5所示风道盖板的示意性局部放大视图，其中示出了盲孔；
图7是沿图6中的剖切线B-B截取的示意性剖视图；
图8是根据本发明一个实施例的风机后盖的示意性主视图；
图9是根据本发明一个实施例的风机后盖的示意性侧视图。
图10是根据本发明一个实施例的具有送风组件的间室的示意性侧视剖视图；
图11是根据本发明一个实施例的部分内胆的示意性主视图；
图12是根据本发明一个实施例的蒸发器的示意性主视图；
图13是沿图12中的剖切线C-C截取的示意性剖视图；
图14是根据本发明一个实施例的翅片的示意性展开图。
具体实施方式
本发明提供一种用于冰箱的送风组件，该送风组件可进一步地被包含在一种送风系统中并应用于冰箱。冰箱一般可具有作为其外表面的箱体外壳和位于箱体外壳内部的内胆。内胆可限定出间室，且间室内的至少部分空间可以为储物空间。间室可以为多个，并可根据需要设置为冷藏室、冷冻室或变温间室等。进一步地，在一些风冷或双系统冰箱的冷藏室内一般设置有气流通道，以为冷藏室的储物空间提供制冷风。气流通道内可设置有送风组件以形成快速流动的空气，或者气流通道也可以与送风组件共同构成为冷藏室提供冷却风的送风系统。送风组件可设置于送风系统的最上游。可以理解的，此处最上游是指送风路径的源头，并非是送风组件的实际安装位置。
用于冰箱的送风系统可包括送风组件和换热装置，参见图1至4，送风组件可包括风道盖板200和离心风轮400。风道盖板200可大致与冰箱间室1的内胆100平行设置，以与冰箱间室内胆100共同限定有送风空间20，且配置成将送风空间20与间室1内的储物空间10隔离。离心风轮400可设置于送风空间20内，以自轴向吸入空气并向周侧吹出。换热装置可以为蒸发器500，设置于离心风轮400上方，配置成与流经其的空气换热。进一步地，风道盖板200上可开设有多个回风口201，以允许储物空间10内的空气进入送风空间20。特别地，离心风轮400贴靠地设置于风道盖板200内侧，且配置成后侧吸风，以将经由回风口201进入送风空间20的空气自离心风轮400的后侧吸入。本领域技术人员均可以理解，风道盖板200内侧即是指风道盖板200朝向送风空间20的一侧。为了便于描述，说明书中提及的“上”“下”“前”“后”等方位均按冰箱正常工作状态下的空间位置关系进行限定，例如冰箱面向用户的一侧为前，朝向其放置位置的墙体的一侧为后。
具体地,风道盖板200可设置于冰箱间室1后侧的内胆100前方，以在间室1后侧形成送风空间20。风道盖板200上开设的回风口201允许储物空间10内空气自前向后流入送风空间20。由此，配置成后侧吸气的离心风轮400促使进入送风空间20的空气继续向后流动并在大致位于离心风轮400后方的位置朝向离心风轮400中心流动并被吸入其中。
本发明的送风组件具有自离心风轮400前侧的回风口201至离心风轮400后侧的吸气口302的回风路径，使得离心风轮400与风道盖板200之间无需留有间隙，增大了位于风道盖板200前方的储物空间10的容积。
本发明的送风组件通过将回风路径设置为自前向后绕过离心风轮400主体，由此避免刚经由回风口201进入送风空间20的空气突然改变流动方向，使得回风空气的流动更 为顺畅，同时延长了回风路径，进而使得回风气流平缓降低了回风噪音，且避免由于空气短时间内被大量抽吸至送风空间侧并聚集在离心风轮处而导致储物空间侧的负压过低，便于用户开启冰箱门。
在本发明的一些实施例中，风道盖板200内侧可设有风机蜗壳204，离心风轮400可设置于风机蜗壳204内。具体地，风机蜗壳204可与风道盖板200一体制造成型，也即是形成在风道盖板200内侧，且风道盖板200可通过连接件直接安装固定于冰箱间室1内胆100，以减少送风组件的零部件，且简化了送风组件的装配工艺。
具体地，参见图5至图7，风道盖板200内侧、位于风机蜗壳204内部的区域设置有多个盲孔204b，每个盲孔204b的中心向外伸出形成有安装柱204c。离心风轮400的外周侧设置有多个安装环400a，配置成具有环形以嵌入在盲孔204b内且套设在该盲孔204b内的安装柱204c上，由此对离心风轮400的安装位置进行限定。
在本发明的一些实施例中，参见图8和图9，送风组件还包括风机后盖300，设置于离心风轮400和内胆100之间，且配置成自离心风轮400后侧罩扣于其外部，以保护离心风轮400。具体地，风机后盖300可配置成于离心风轮400和内胆100之间直接安装固定于风道盖板200。风机后盖300上开设有吸气口302，以允许离心风轮400经由吸气口302将送风空间20内的空气吸入。也即是，风机后盖300和风机蜗壳204共同与离心风轮400构成离心风机。在风机蜗壳204的限定下，离心风轮400可自轴向吸入空气并使空气向上吹出离心风机。
也即是,风机后盖300可直接固定于风道盖板200,并通过风道盖板200安装于内胆100上,由此使风机后盖300、风机蜗壳204和离心风轮400共同构成的离心风机与风道盖板200一起形成一个模块化构件，进一步简化送风组件的装配工艺,且相比于将离心风机直接固定于内胆100上,本发明的固定于风道盖板200的离心风机在运行时具有更小的噪音。
在本发明的一些实施例中，风机蜗壳204可具有定位缺口204a。相对应地，风机后盖300可具有自其前表面向前伸出的定位柱301a，以在风机后盖300安装于风道盖板200内侧时插入所述定位缺口204a。风机后盖300的内侧可具有与风机蜗壳204仿形的双层凸条301，并配置成当风机后盖300安装于风道盖板200时，使风机蜗壳204的朝向风机后盖300的端部插入双层凸条301之间的间隙。具体地，定位缺口204a可设置于风机蜗壳204的下侧部。定位柱301a可设置于双层凸条301之间，且呈弧形并与双层凸条301及风机蜗壳204相应位置的弧度相同，以嵌入定位缺口204a使风机蜗壳204完整。
在本发明的一些实施例中，送风组件配置成位于间室1下部后侧，其上方设置有气流通道22。气流通道22内可设置有蒸发器500，其下游的部分气流通道22(在本实施例中，也即是位于气流通道22的上部区域)可开设有用于向储物空间10送风的送风口。相应地，离心风轮400可配置成向上吹风，以促使气流加速向上流动进入气流通道22并通过蒸发器500流向送风口。也即是，在竖直方向，送风组件可位于间室1内搁物架的最下层下方，以节约储物空间10的上部空间，增加储物空间10的有效容积。
参见图3和图10，风道盖板200可包括主体部200b和导向部200a，风机蜗壳204可设置于主体部200b内侧。具体地，风道盖板200可由上下两部分组成，导向部200a位于主体部200b的上方。主体部200b可配置成相对于气流通道22远离内胆100设置。导向部200a可配置成自主体部200b的顶端向上且朝向内胆100弯折延伸以引导离心风轮400吹出的气流流向气流通道22。也即是，导向部200a与风机后盖300的顶部可共同 限定出离心风机的送风风道。导向部200a相对于正对离心风轮400的主体部200b更靠近内胆100一侧，由此使离心风机的出风风道的横截面积自下向上地逐渐减小，从而可促使空气加速流动。在本发明的一些实施例中，限定出气流通道22的盖板可以配置成自风道盖板200的导向部200a向上延伸。也即是，气流通道22和送风空间20可由同一块完整的盖板与储物空间10隔开。
在本发明的一些实施例中，内胆100的与离心风轮400的对应区域配置成背离风道盖板200向外凸出，以增大位于离心风轮400吸风侧的送风空间20。具体地，内胆100向外的凸出的程度可大于主体部200b前移“占用”储物空间10的程度，以保证储物空间10的容积。可以理解的，此处的“占用”是指主体部200b相对于导向部200a更靠近箱体前侧。由于内胆100后侧为冰箱发泡层，内胆100的前后位置并不会对发泡层的发泡效果产生明显影响。同时，由于后侧吸风的离心风轮400靠近主体部200b设置，使主体部200b无需过于靠前设置，相比于前侧吸风的送风组件，本发明的送风组件降低了对送风空间20的需求，从而使得储物空间10的容积更大。
可以理解的，上文所提到的“向外凸出”是指朝向送风空间20的外部，可以是朝向储物空间10，也可以是朝向内胆100后侧的冰箱发泡层。
本发明还提供一种送风系统，送风系统可包括前述的送风组件、换热装置(例如，蒸发器500)以及至少部分用于辅助输送制冷风的冰箱内胆。
参见图11，送风系统的位于蒸发器500下方的部分内胆100配置成朝向风道盖板200弯折延伸形成接水底部101，以使蒸发器500在竖直方向上的投影均落入接水底部101。也即是，冰箱的接水槽可直接由内胆100弯曲延伸形成，无需额外设置。
具体地,位于蒸发器500下方且位于接水底部101上方的部分内胆100配置成背离风道盖板200凸出设置以形成接水侧部102。接水底部101配置成靠近风道盖板200的一侧高于靠近接水侧部102的一侧，以使落在其上的水滴朝向接水侧部102流动。进一步地，接水侧部102与接水底部101的交汇处配置成具有使其中间位置低于远离中间位置的倾斜角度，且中间位置开设有排水口103，以引导流动至交汇处的液体自排水口103流出。
在本发明的一些实施例中，接水侧部102可配置成朝向发泡层凸出，以进一步引导接水底部101与接水侧部102交汇处倾斜向下并远离出风风道。
本发明的冰箱的送风系统无需使用额外的接水槽零部件，通过具有接水形状的内胆100，引导送风系统中产生的化霜水排出。由此，进一步降低冰箱的制造成本，并在实现完全将化霜水排出的同时，避免进行接水槽结构与内胆100的配合安装。
在本发明的一些实施例中，送风组件还可包括多个导流筋202，设置于风道盖板200内侧，且可配置成位于离心风轮400的出风路径的下游，以将离心风轮400吹出的气流均分为多股。风道盖板200一般具有一定宽度，多个导流筋202沿风道盖板200横向依次设置。具体地，多个导流筋202可配置成具有相同间隔地设置于导向部200a内侧，以将离心风轮400吹出的气流均分为多股，并使多股气流分别由每两个相邻导流筋202之间向后向上流动。由此，使离心风轮400吹出的风通过多个导流筋202均匀流到气流通道22内的蒸发器500周侧，以提升蒸发器500的换热效率。
在本发明的一些实施例中，多个导流筋202的上方可设置有挡水条203，以防止水滴进入离心风机。具体地，挡水条203可设置于导向部200a的朝向内胆100的上端缘，且在自风道盖板200至内胆100的方向上具有倾斜向下的角度，以自上方遮挡部分送风风 道的开口。由于导向部200a引导离心风机吹出的空气向后送风，因此位于导流筋202的上方的挡水条203不会对向后送出的制冷风的出风风量和风速等不利产生影响。
在本发明的一些实施例中，风机后盖300的顶部可设置有遮蔽条303，配置成自风机后盖300顶部向后延伸至并搭接在接水底部101上，以遮蔽内胆100和风机后盖300之间的回风区域21。也即是，风机后盖300顶端的遮蔽条303将回风区域21和接水内胆100完全隔离开，且引导其上的液体朝向接水内胆100流动，由此完全避免冷凝水或化霜水进入离心风机。进一步地，遮蔽条303的连接在风机后盖300的一侧可略低于风机后盖300的顶端，以利用风机后盖300的顶端避免落在其上的水滴飞溅进入出风风道。此外，遮蔽条303的连接在风机后盖300的一侧可配置成高于搭接在接水底部101的一侧，以引导其上水滴朝向接水底部101流动。
在一些实施例中,主体部200b上设置有至少一组回风组,每个回风组包括多个回风口201。回风组可配置成位于主体部200b的靠近横向端部的区域，回风组的多个回风口201在风道盖板200上的投影均位于风机蜗壳204在风道盖板200上的投影的外部。
在一些实施例中,多个回风口201可配置成分为两个回风组,每个回风组均具有多个回风口201。两个回风组分别设置于主体部200b的靠近横向两端的位置。由此,储物空间10内空气自风机蜗壳204的周侧(主要是横向两侧)进入送风空间20，使得回风气流的流动方向的改变更为平缓,避免出现较多过大的转向。本发明的位于风机蜗壳204周侧的回风口201和离心风轮400后侧吸风的设置为降低了回风气流所需的转向角度,且为回风气流提供了足够的用于改变流动方向的空间，便于回风气流持续稳定地被离心风轮400吸入。
在本发明的一些实施例中，送风组件还包括多个遮蔽帽201a。多个遮蔽帽201a可配置成分别在储物空间10侧设置于回风组的多个回风口201的上方，以自上方遮蔽回风口201，且使储物空间10内的空气自下向上流动至遮蔽帽201a内侧并进入回风口201。
具体地，主体部200b上的回风口201可沿横向延伸，每个横向延伸的回风口201的上方设置有一个遮蔽帽201a，以防止储物空间10内液体或颗粒碎屑等固体随空气进入送风空间20。
在本发明的一些实施例中，风道盖板200的至少一个横向侧端具有朝向内胆100弯折延伸的侧部盖板200c。侧部盖板200c上开设有至少一个回风口201。具体地，侧部盖板200c可形成于主体部200b的一个横向侧端。或者，主体部200b的左右两侧也可均形成有侧部盖板200c。侧部盖板200c可向后抵靠在内胆100上以隔离送风空间20和储物空间10。每个侧部盖板200c均可开设有多个回风口201，以促使间室1内的空气循环，加快换热效率。侧部盖板200c上的回风口201可配置成沿竖向延伸，并在每个回风口201的前侧(也即是靠近储物空间10一侧)设置遮蔽帽201a。
参见图12至14，在本发明的一些实施例中，蒸发器500可具有横向延伸且竖向间隔排列的多个直线管路501及连接直线管路501的多个过渡管路502。每个直线管路501上均平行且间隔地安装有多个翅片503,且翅片503的板体503a配置成垂直于内胆100设置。具体地,斜折部503b位于板体503a的背离内胆100的一侧底部，且与板体503a垂直。
也即是，每个翅片503的一个端部均具有一个弯折部分。翅片503可以配置为呈长方形的片状，其一个角配置成弯折出翅片503的大部分板体503a所在的平面，以形成斜折部503b，斜折部503b与翅片503的板体503a的弯折处形成斜折边503c。具体地，该斜折部503b可优选为位于每个翅片503的下端外侧的角，以引导翅片503上的化霜水等 液体沿斜折边503c朝向每个翅片503内侧流动，进而整体上使自蒸发器500滴落的水滴更靠近内胆100，降低对接水结构的宽度要求。
进一步地，在本发明的一些实施例中，斜折部503b配置成与翅片503的板体503a垂直设置，以使斜折部503b的末端尽可能地向内，同时使翅片503的板体503a和斜折部503b的表面保持一定距离，保证蒸发器500与流经其空气的接触，增强其换热效率。
每个直线管路501上安装的多个翅片503可配置成使其各自的斜折部503b的弯折方向相同,由此保证自蒸发器500滴落的化霜水等均。多个直线管路501和多个过渡管路502可共同构成蛇形管路,位于蛇形管路上部的多个直线管路501上的多个翅片503的排列可配置成比位于蛇形管路下部的多个直线管路501上的多个翅片503的排列密集。
在本发明的一些实施例中，蒸发器500可具有两个竖直延伸的支撑板，分别为位于多个直线管路501左端的左支撑板504a，和位于多个直线管路501右端的右支撑板504b。进一步地，左支撑板504a和右支撑板504b的底端各具有一个具有斜折部503b的翅片503，这两个位于支撑板端部的翅片503的斜折部503b均配置成朝向直线管路501的中部弯折。也即是，支撑板端部的翅片503可具有与直线管路501的翅片503大致相同的板体503a和斜折部503b。特别地，其中一个端部的翅片503可配置成具有与直线管路501的翅片503完全相同的结构，另一个端部的翅片503可配置成与直线管路501的翅片503镜像对称的结构。
具体地，位于直线管路501上翅片503的斜折部503b的弯折方向上的端部翅片503的斜折部503b配置成与直线管路501翅片503的斜折部503b的弯折方向相反，也即是与直线管路501翅片503的斜折部503b相对弯折。由此，使得位于蒸发器500最外侧翅片503的端部均朝向蒸发器500内侧弯折，改善了化霜水流动滴落的位置，降低了对接水槽或接水内胆100的结构尺寸的要求。
本发明的蒸发器500可仅通过将普通翅片的一个端角进行弯折，即可实现化霜水等液体滴落位置内移，无需其他复杂结构，技术方案简单易行。
进一步地，弯折的斜折部503b位于相邻两个翅片503之间，也即是正位于换热气流流动的路径上，增加翅片503对换热气流的扰流，提高了换热效率。
特别地，具有上述翅片503的蒸发器500尤其适用于与上述送风组件相配合安装。由于上述送风组件的特殊结构，内胆100的局部区域需向送风空间20内部伸出超过一般蒸发器500的尺寸。而具有上述翅片503的蒸发器500可在保证换热面积的前提下，将化霜水导向蒸发器500内部，防止化霜水滴落在接水结构(也即是内胆100的接水底部101)外，从而简化了内胆100结构，避免内胆100由于其自身弯折部或延伸部的设置而发生吸附或安装不牢固的问题，从而进一步地简化了风机后盖300和风道盖板200等风道盖板200的挡水结构和与内胆100连接的安装结构等。
本发明还提供一种冰箱1，具有包括至少一个间室的箱体2和上述送风组件。至少一个间室为冷藏间室3，且送风组件设置于冷藏间室3内。优选地，冰箱1还具有上述蒸发器500以简化送风组件在冰箱内的装配。
至此，本领域技术人员应认识到，虽然本文已详尽示出和描述了本发明的多个示例性实施例，但是，在不脱离本发明精神和范围的情况下，仍可根据本发明公开的内容直接确定或推导出符合本发明原理的许多其他变型或修改。因此，本发明的范围应被理解和认定为覆盖了所有这些其他变型或修改。

Claims (14)

  1. 一种用于冰箱的送风组件，包括：
    风道盖板，与所述冰箱的内胆共同限定出送风空间，且配置成将所述送风空间与位于所述冰箱的间室内的储物空间隔离；
    离心风轮，设置于所述送风空间内，以自轴向吸入空气并向周侧吹出；其中
    所述风道盖板上开设有多个回风口，以允许所述储物空间内的空气进入所述送风空间；且
    所述离心风轮贴靠地设置于所述风道盖板内侧，且配置成后侧吸风，以将经由所述回风口进入所述送风空间的空气自所述离心风轮的后侧吸入。
  2. 根据权利要求1所述的送风组件，其中，
    所述内胆的与所述离心风轮的对应区域配置成背离所述风道盖板向外凸出，以增大位于所述离心风轮吸风侧的所述送风空间。
  3. 根据权利要求1所述的送风组件，其中，
    所述送风组件配置成位于所述间室的下部后侧，其上方设置有气流通道；
    所述气流通道内设置有蒸发器，且所述气流通道具有用于向所述储物空间送风的送风口；以及
    所述离心风轮配置成促使气流加速向上流动进入所述气流通道并通过所述蒸发器流向所述送风口。
  4. 根据权利要求3所述的送风组件，其中
    所述风道盖板直接安装固定于所述冰箱的所述内胆，所述风道盖板内侧设有风机蜗壳，所述离心风轮设置于所述风机蜗壳内。
  5. 根据权利要求4所述的送风组件，其中
    所述风道盖板内侧形成有所述风机蜗壳，以安装所述离心风轮；且
    所述风机蜗壳配置成与所述风道盖板一体成型制造而成。
  6. 根据权利要求4所述的送风组件，还包括：
    风机后盖，设置于所述离心风轮和所述内胆之间，且配置成自所述离心风轮后侧罩扣于其外部；其中
    所述风机后盖上开设有吸气口，以允许所述离心风轮经由所述吸气口将所述送风空间内的空气吸入；以及
    所述风机后盖、所述风机蜗壳和所述离心风轮组成离心风机；且
    所述风机蜗壳具有定位缺口，所述风机后盖具有自其前表面向前伸出的定位柱，以在所述风机后盖安装于所述风道盖板内侧时插入所述定位缺口。
  7. 根据权利要求6所述的送风组件，其中，
    所述风机后盖配置成于所述离心风轮和所述内胆之间直接安装固定于所述风道盖板。
  8. 根据权利要求4所述的送风组件，其中，
    所述风道盖板包括主体部和导向部，所述风机蜗壳设置于所述主体部内侧；
    所述主体部配置成相对于所述气流通道远离所述内胆设置；以及
    所述导向部配置成自所述主体部的顶端向上且朝向内胆弯折延伸以引导所述离心风 轮吹出的气流流向所述气流通道。
  9. 根据权利要求8所述的送风组件，其中，
    所述主体部上设置有至少一组回风组，每个所述回风组包括多个所述回风口；
    所述回风组配置成位于所述主体部的靠近横向端部的区域；且
    所述回风组的多个所述回风口在所述风道盖板上的投影均位于所述风机蜗壳在所述风道盖板上的投影的外部。
  10. 根据权利要求9所述的送风组件，还包括：
    多个遮蔽帽，配置成分别在所述储物空间侧设置于所述回风组的多个所述回风口的上方，以自上方遮蔽所述回风口，且使所述储物空间内的空气自下向上流动至遮蔽帽内侧并进入所述回风口。
  11. 根据权利要求1所述的送风组件，其中，
    所述风道盖板的至少一个横向侧端设置有朝向所述内胆弯折延伸的侧部盖板；且
    所述侧部盖板上开设有至少一个所述回风口。
  12. 一种用于冰箱的送风系统，包括根据权利要求1所述的送风组件，以及
    蒸发器，设置于所述离心风轮上方，配置成与流经其的空气换热；其中
    所述离心风轮配置成自其轴向吸入空气并向上吹出；以及
    位于所述蒸发器下方的部分所述内胆配置成朝向所述风道盖板弯折延伸以形成接水底部，且所述部分内胆使所述蒸发器在竖直方向上的投影均落入所述接水底部。
  13. 根据权利要求12所述的送风系统，其中，
    位于所述蒸发器下方且位于所述接水底部上方的部分内胆配置成背离所述风道盖板凸出以形成接水侧部；
    所述接水底部配置成靠近所述风道盖板的一侧高于靠近所述接水侧部的一侧，以使落在其上的水滴朝向所述接水侧部流动；以及
    所述接水侧部与所述接水底部的交汇处配置成具有使其中间位置低于远离所述中间位置的倾斜角度，且所述中间位置开设有排水口，以引导流动至所述交汇处的液体自所述排水口流出。
  14. 一种冰箱，具有包括至少一个所述间室的箱体和根据权利要求1至11任一所述的送风组件，其中，
    至少一个所述间室为冷藏间室，且所述送风组件设置于所述冷藏间室内。
PCT/CN2019/070868 2018-01-09 2019-01-08 送风组件、送风系统及冰箱 WO2019137375A1 (zh)

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MX2020007104A MX2020007104A (es) 2018-01-09 2019-01-08 Ensamble de suministro de aire, sistema de suministro de aire y refrigerador.
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CN201810020188.4A CN110017648B (zh) 2018-01-09 2018-01-09 送风组件及具有其的冰箱
CN201810020184.6A CN110017641B (zh) 2018-01-09 2018-01-09 送风系统及具有其的冰箱
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