WO2021047552A1 - 冰箱 - Google Patents

冰箱 Download PDF

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Publication number
WO2021047552A1
WO2021047552A1 PCT/CN2020/114260 CN2020114260W WO2021047552A1 WO 2021047552 A1 WO2021047552 A1 WO 2021047552A1 CN 2020114260 W CN2020114260 W CN 2020114260W WO 2021047552 A1 WO2021047552 A1 WO 2021047552A1
Authority
WO
WIPO (PCT)
Prior art keywords
cooling chamber
evaporator
water
section
water receiving
Prior art date
Application number
PCT/CN2020/114260
Other languages
English (en)
French (fr)
Inventor
朱小兵
刘建如
李孟成
刘山山
曹东强
刘阳
刘昀曦
Original Assignee
青岛海尔电冰箱有限公司
海尔智家股份有限公司
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 CN201921521983.8U external-priority patent/CN210832694U/zh
Priority claimed from CN201921521971.5U external-priority patent/CN210832692U/zh
Priority claimed from CN201910865909.6A external-priority patent/CN112484370A/zh
Application filed by 青岛海尔电冰箱有限公司, 海尔智家股份有限公司 filed Critical 青岛海尔电冰箱有限公司
Priority to US17/642,310 priority Critical patent/US20220341651A1/en
Priority to EP20863546.6A priority patent/EP4006461B1/en
Priority to AU2020346937A priority patent/AU2020346937B2/en
Publication of WO2021047552A1 publication Critical patent/WO2021047552A1/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
    • 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
    • F25D17/062—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
    • F25D21/06—Removing frost
    • F25D21/08—Removing frost by electric heating
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D23/00—General constructional features
    • F25D23/006—General constructional features for mounting refrigerating machinery components
    • 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
    • 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
    • F25D2321/141—Removal by evaporation
    • F25D2321/1413—Removal by evaporation using heat from electric elements or using an electric field for enhancing removal
    • 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
    • F25D2321/143—Collecting condense or defrost water; Removing condense or defrost water characterised by means to fix, clamp, or connect water pipes or evaporation 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
    • 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
    • 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
    • F25D2321/146—Collecting condense or defrost water; Removing condense or defrost water characterised by the pipes or pipe connections

Definitions

  • the invention relates to the field of household electrical appliances, in particular to a refrigerator.
  • Refrigerators generally use an evaporator to provide cold energy to the storage space, and the air whose temperature rises in the storage space returns to the evaporator, thus forming an air circulation. Due to the high humidity of the air in the storage space, returning to the evaporator will cause frosting on the surface of the evaporator. When the frost layer is thick and wraps the evaporator as a whole, it will seriously affect the cooling efficiency of the evaporator. In order to solve the problem of frosting of the evaporator, in the prior art, the evaporator is often heated regularly so that the frost layer is turned into water and then discharged. However, after heating and defrosting the evaporator at present, complete defrosting cannot be guaranteed. Residual ice cubes may block the drain for discharging the defrosting water, affecting normal defrosting and further affecting the cooling efficiency of the evaporator.
  • An object of the present invention is to ensure the complete defrosting of the evaporator and improve the refrigeration efficiency of the evaporator.
  • a further objective of the present invention is to effectively use heat, save energy and protect the environment.
  • Another object of the present invention is to provide a refrigerator that prevents the hot and humid air from entering the cooling chamber from the drain pipe to cause serious frosting of the evaporator.
  • Another further object of the present invention is to improve the reliability of the refrigerator.
  • Another object of the present invention is to provide a refrigerator with a drain pipe that prevents foaming materials from overflowing into the cooling chamber.
  • a further object of the present invention is to prevent foaming material from overflowing into the compressor compartment.
  • the present invention provides a refrigerator including:
  • a box body defining a cooling chamber and at least one storage space inside, the cooling chamber being arranged at the bottom of the box body and directly below the storage space;
  • the door body is arranged on the front surface of the box body to operably open and close the storage space;
  • An evaporator which is placed across the cooling chamber in the shape of a flat cube as a whole, and is configured to provide cold energy to the storage space, wherein a water receiving pan is formed on the bottom wall of the cooling chamber below the evaporator, For receiving the condensed water generated by the evaporator;
  • Compensating heating wires are arranged at the bottom of the water receiving tray.
  • the inside of the box body also defines a compressor compartment, the compressor compartment being arranged at the bottom of the box body and located behind the cooling chamber;
  • the bottom of the water receiving tray is divided into three areas from back to front: a first area, a second area and a third area,
  • the first area is close to the compressor bin, the second area is located between the evaporator and the compressor bin, and the third area is located below the evaporator.
  • the compensation heating wire is not provided in the first area, and a thermally conductive material is attached to conduct the heat of the compressor compartment;
  • the second area is provided with the compensation heating wire of the first density
  • the third area is provided with the compensation heating wire of the second density
  • first density is less than the second density.
  • multiple storage spaces including a refrigerating space and at least one freezing space, and
  • the box body includes a refrigerating liner, the inside of which defines the cooling chamber and at least one of the refrigerating spaces directly above the cooling chamber, wherein the bottom wall of the refrigerating liner serves as the bottom of the cooling chamber
  • the wall is formed with the water receiving tray; and a refrigerating liner, which is arranged directly above the freezing liner, and the refrigerating space is defined inside.
  • the refrigerator further includes:
  • the return air duct is arranged on any side wall of the refrigerating liner and the freezing liner, and the upper end is provided with a return air inlet communicating with the refrigerating space, and the lower end is provided with a return air communicating with the cooling chamber Outlet to realize the return air from the refrigerating space to the cooling chamber.
  • the bottom of the water receiving tray is further divided into a fourth area, and the fourth area is located on the front side of the water receiving tray and is close to the return air outlet, and
  • the fourth area is provided with the compensation heating wire.
  • the refrigerator further includes:
  • the air supply duct is arranged on the inner side of the rear wall of the refrigerating liner and the freezing liner, the bottom end of which has an air supply inlet communicating with the cooling chamber, and is respectively provided corresponding to the refrigerating space and the freezing space There is an air supply outlet to transmit the cold energy provided by the evaporator to the storage space;
  • the evaporator cover plate is arranged above the evaporator and serves as a top wall to define the cooling chamber together with the freezing liner, and
  • the front end of the evaporator cover plate is provided with a refrigerated return air outlet communicating with the refrigerated space, so as to realize the return of air from the refrigerated space to the cooling chamber.
  • a drain opening is opened at the bottom of the water receiving tray, and the refrigerator further includes:
  • the evaporating dish is arranged below the water receiving tray;
  • a drain pipe is connected between the drain port and the evaporating dish, and is used to lead the water in the drain pan to the evaporating dish, and the part of the drain pipe extending into the evaporating dish includes: extension A pipe section and an end pipe section connected to the extension pipe section and located at the end of the drain pipe, the inner diameter of the end pipe section is 10% to 50% of the inner diameter of the extension pipe section, thereby reducing the size of the water outlet of the drain pipe.
  • transition pipe section between the end pipe section and the extension pipe section, and the inner diameter of the transition pipe section is tapered along the drainage direction to form a funnel shape.
  • a floating body is arranged above the transition pipe section in the extension pipe section, the bottom shape of the floating body is adapted to the inner diameter shape of the transition pipe section, and the density of the floating body is less than water to utilize the buoyancy of water. Ascend to open the transition pipe section;
  • the end pipe section and the transition pipe section are both vertically arranged.
  • a water storage part is formed at the bottom of the water receiving tray, and the end pipe section is inserted into the water storage part so that the discharged water overflows into the evaporating dish after filling up the water storage part.
  • the refrigerator also includes:
  • a drain pump connected to the drain pipe, and pumps the water from the drain pan into the evaporating dish;
  • the box body includes a storage liner, and the cooling chamber is located at the inner bottom of the storage liner;
  • a compressor compartment is also formed at the rear below the storage liner, and the evaporating dish is arranged in the compressor compartment;
  • the evaporator is horizontally placed in the cooling chamber in a flat cube shape, and
  • the refrigerator further includes: a blower located in the cooling chamber and obliquely arranged on the rear side of the evaporator, wherein
  • the drainage port is located below the front of the evaporator
  • the ratio of the horizontal distance between the water outlet and the front end of the evaporator and the horizontal distance between the water outlet and the rear end of the evaporator is greater than 1/6 and less than 1/2.
  • a drain opening is opened at the bottom of the water receiving tray, and the refrigerator further includes:
  • the evaporating dish is arranged below the water receiving tray;
  • the connecting seat is attached to the outside of the bottom of the water receiving pan, and is connected with a drain pipe at a position opposite to the drain port, and the drain pipe is used to lead the water from the water receiving pan to the evaporating dish;
  • a protective sheet is attached to the connecting edge of the connecting seat and the water receiving tray to prevent the foaming material from overflowing into the cooling chamber when the box is foamed.
  • the shape of the side of the connecting seat facing the water receiving tray is adapted to the bottom of the water receiving tray;
  • the protective sheet is made of aluminum foil and is pasted on the connecting edge of the connecting seat and the water receiving tray.
  • the box body includes a storage liner, and the cooling chamber is located at the inner bottom of the storage liner;
  • a compressor compartment is also formed at the rear below the storage liner, and the evaporating dish is arranged in the compressor compartment;
  • the drain pipe obliquely passes through the heat insulation layer between the cooling chamber and the compressor compartment; the drain pipe includes:
  • the upper section the upper end of which is fixed to the connecting seat, and extends obliquely downward through the heat insulation layer between the cooling chamber and the compressor compartment;
  • a bellows section the upper end of which is connected to the lower end of the upper section and extends to the evaporating dish;
  • the lower section the upper end of which is connected with the lower end of the bellows section, and is used to drain water into the evaporating dish;
  • the lower section includes:
  • Inclined connecting section connected to the lower end of the bellows section and extending along the length of the bellows section;
  • the vertical water outlet section is connected with the lower end of the inclined connecting section and is used to vertically guide water into the evaporating dish.
  • the box body further includes:
  • the back is located on the back side of the storage liner
  • the partition plate extends obliquely forward from the back to form the top wall of the compressor compartment; and the upper section passes through the through hole of the partition plate and enters the compressor compartment, wherein
  • the upper end of the corrugated pipe section is provided with a bayonet, the lower end of the upper section is provided with a chuck, the upper end of the corrugated pipe section is sleeved on the lower end of the upper section, the chuck and the Bayonet, so that the corrugated tube section is clamped to the upper section;
  • the upper section is respectively provided with flanges and external threads on both sides of the partition plate; and a fixing ring is matched with the external thread, and the fixing ring is screwed with the external thread to make the The partition plate is compressed between the flange and the fixing ring;
  • the flange is also provided with a sealing gasket on the side opposite to the partition plate to prevent the foaming material from overflowing into the compressor compartment when the box is foamed.
  • the refrigerator of the present invention includes: a box body defining a cooling chamber and at least one storage space inside, the cooling chamber is arranged at the bottom of the box body and directly below the storage space; the door body is arranged on the front surface of the box body , To operably open and close the storage space; and the evaporator, which is horizontally placed in the cooling chamber in a flat cube shape, and is configured to provide cold to the storage space, wherein the bottom wall of the cooling chamber below the evaporator is formed with The water receiving pan is used to receive the condensed water generated by the evaporator, and the bottom of the water receiving pan is provided with a compensation heating wire.
  • the compensating heating wire set at the bottom of the water receiving tray can fully melt the remaining ice cubes, avoiding the remaining ice cubes from blocking the drain, ensuring the evaporator is completely defrosted, and improving the cooling of the evaporator effectiveness.
  • the bottom of the drain pan is divided into three areas from back to front: a first area, a second area, and a third area.
  • the first area is close to the compressor compartment, and the second area is located in the evaporator and the evaporator. Between the compressor compartments, the third area is located below the evaporator.
  • There is no compensation heating wire in the first area and a heat-conducting material is attached to conduct the heat of the compressor compartment.
  • the second area is provided with compensation heating wires of the first density
  • the third area is provided with the compensation heating wires of the second density, wherein the first density is less than the second density.
  • the compensation heating wire set in the third area under the evaporator has a higher density, which can provide a large amount of heat and ensure that the remaining ice cubes are melted.
  • the bottom of the water receiving tray is also divided into a fourth area.
  • the fourth area is located on the front side of the water receiving tray and is close to the return air outlet.
  • the fourth area is equipped with a compensation heating wire to avoid condensation and ice at the return air outlet to ensure the return air. Smooth.
  • the inner diameter of the end pipe section in the part where the drain pipe extends into the evaporating dish is 10% to 50% of the inner diameter of the extending pipe section above, thereby reducing the size of the water outlet of the drain pipe, that is, shrinking at the end of the drain pipe
  • the inner diameter is convenient to seal the water outlet of the drainage pipe, avoid the hot and humid air inside the compressor compartment to cool the room, reduce the possibility of severe icing at the bottom of the evaporator, thereby solving the problem of severe icing at the bottom of the evaporator, which is prone to ice block during defrosting The problem of blocking the drain. .
  • the drain outlet is arranged far away from the air blower, which can also prevent the air blower from being frosted or even frozen.
  • the refrigerator of the present invention can effectively seal the drain pipe by arranging a float at the end of the drain port.
  • the drain pipe is installed at the drain port of the water receiving tray by using a connecting seat attached to the outer side of the bottom of the water receiving tray, and the installation and fixing structure is simple.
  • a protective sheet (such as aluminum foil) is attached to the connecting edge of the connecting seat and the water receiving tray, which can prevent the foaming material from overflowing into the cooling chamber during foaming, and avoiding the quality problem caused by the overflow.
  • the upper section of the drain pipe is provided with flanges and external threads on both sides of the partition plate; the fixing ring is screwed with the external threads, so that the partition plate is pressed against the flange and Between the fixing rings, the drainage pipe and the partition plate are reliably fixed, and the flange is also provided with a gasket on the side of the partition plate to prevent the foaming material from overflowing into the compressor during the foaming process. warehouse.
  • Fig. 1 is a schematic view of the front structure of a refrigerator according to an embodiment of the present invention
  • Fig. 2 is a schematic side view of a refrigerator according to an embodiment of the present invention.
  • Fig. 3 is a schematic structural diagram of a freezer liner in a refrigerator according to an embodiment of the present invention.
  • Figure 4 is a bottom schematic view of a water tray in a refrigerator according to an embodiment of the present invention.
  • Fig. 5 is a schematic diagram of the distribution of compensation heating wires at the bottom of the water tray in a refrigerator according to an embodiment of the present invention
  • Fig. 6 is a schematic side view of a refrigerator with a drain pipe according to an embodiment of the present invention.
  • Fig. 7 is an exploded schematic view of a refrigerator with a drain pipe according to an embodiment of the present invention.
  • Fig. 8 is a schematic side view of a lower part of a refrigerator with a drain pipe according to an embodiment of the present invention.
  • Fig. 9 is a schematic diagram of a part of a refrigerator with a drain pipe extending into an evaporating dish in a refrigerator according to an embodiment of the present invention.
  • FIG. 10 is an enlarged schematic view of the end of the drain pipe in the refrigerator with a drain pipe according to an embodiment of the present invention
  • FIG. 11 is a schematic side view of the lower part of a refrigerator with a drain pipe according to another embodiment of the present invention.
  • Figure 12 is a schematic diagram of a drainage system in a refrigerator with a drainage pipe according to an embodiment of the present invention
  • Fig. 13 is a partial enlarged view at A in Fig. 12;
  • Fig. 14 is a partial enlarged view at B in Fig. 12.
  • Fig. 1 is a front structural diagram of a refrigerator 100 according to an embodiment of the present invention
  • Fig. 2 is a side structural diagram of a refrigerator 100 according to an embodiment of the present invention
  • Fig. 1 is a front structural diagram of a refrigerator 100 according to an embodiment of the present invention
  • Fig. 2 is a side structural diagram of a refrigerator 100 according to an embodiment of the present invention
  • Fig. 1 is a front structural diagram of a refrigerator 100 according to an embodiment of the present invention
  • Fig. 2 is a side structural diagram of a refrigerator 100 according to an embodiment of the present invention
  • FIGS. 1 to 5 the refrigerator 100 of this embodiment may generally include: a box body 10, a door body 20 and an evaporator 21.
  • the box body 10 defines a cooling chamber 11 and at least one storage space inside, and the cooling chamber 11 is arranged at the bottom of the box body 10 and directly below the storage space.
  • the refrigerator 100 of this embodiment may include two storage spaces arranged from top to bottom: a first space 131 and a second space 132.
  • the first space 131 and the second space 132 can be configured as a refrigerating space, a freezing space, a temperature-changing space, or a fresh-keeping space according to different uses.
  • Each storage space can be divided into multiple storage areas by dividing panels, and shelves or drawers are used to store items.
  • the door body 20 is arranged on the front surface of the box body 10 to operably open and close the storage space.
  • the door body 20 is arranged corresponding to the storage space, that is, each storage space corresponds to one or more door bodies 20.
  • the door body 20 can be pivotally provided on the front surface of the box body 10.
  • the door body 20 can also be opened in a drawer type, and a drawer slide rail can be provided at the bottom of the drawer to ensure a gentle effect during the opening and closing process of the drawer and reduce noise.
  • the evaporator 21 is horizontally placed in the cooling chamber 11 in the shape of a flat cube as a whole, and is configured to provide cold energy to the storage space.
  • the evaporator 21 is horizontally placed in the cooling chamber 11 in a flat cube shape, that is, the long and wide surfaces of the evaporator 21 are parallel to the horizontal plane, and the thickness surface is placed perpendicular to the horizontal plane.
  • the cooling capacity provided by the evaporator 21 to various types of storage spaces is different, so that the temperatures in the various types of storage spaces are also different.
  • the temperature in the refrigerated space is generally between 2°C and 10°C, preferably between 4°C and 7°C.
  • the temperature range in the refrigerated space is generally -22°C to -14°C.
  • the optimal storage temperature for different kinds of items is not the same, and the storage space suitable for storage is also different. For example, fruit and vegetable foods are suitable for storage in refrigerated space or fresh-keeping space, while meat foods are suitable for storage
  • the bottom wall of the cooling chamber 11 below the evaporator 21 is formed with a water receiving pan 40 for receiving the condensed water generated by the evaporator 21.
  • the front bottom wall and the rear bottom wall of the cooling chamber 11 are both inclined surfaces that are inclined downward in the direction of each other.
  • the front bottom wall and the rear bottom wall of the cooling chamber 11 have a certain angle with the horizontal plane, so that the condensed water generated by the evaporator 21 can smoothly enter the water receiving tray 40, and can ensure that all is discharged, effectively ensuring the reliable operation of the evaporator 21 Sex.
  • a drain port 41 is provided at the junction of the front bottom wall and the rear bottom wall of the cooling chamber 11, and the drain port 41 is located below the evaporator 21. And the slope of the bottom wall of the front section is greater than the slope of the bottom wall of the rear section, so that the drain port 41 is close to the front end of the evaporator 21 in the horizontal direction. It is possible to make the outside air enter the cooling chamber 11 through the drain port 41 and then pass through the evaporator 21 first, without directly forming undesirable phenomena such as frost and ice formation on the refrigerating fan 22.
  • the inside of the box body 10 also defines a compressor compartment 12, and the compressor compartment 12 is arranged at the bottom of the box body 10 and located behind the cooling chamber 11.
  • the compressor compartment 12 may be provided with a condenser, a heat dissipation fan, and a compressor.
  • the above-mentioned components are not shown in the figure because they are arranged inside the compressor compartment 12.
  • the refrigerator 100 may further include: an evaporating dish 50 arranged below the condenser, so as to use the heat of the condenser to evaporate the moisture in the evaporating dish 50, and take the moisture away by a heat dissipation fan. Perform heat dissipation.
  • the refrigerator 100 of this embodiment may further include: a drain pipe 42, one end of which is connected to the drain port 41 of the water receiving tray 40, and the other end of which is connected to the evaporating dish 50 to remove the condensation in the water receiving tray 40.
  • the water is transferred to the evaporating dish 50.
  • the drain pipe 42 is placed obliquely, and one end of the drain pipe 42 connected to the drain port 41 is higher than the other end thereof, and the angle between the drain pipe 42 and the horizontal plane is greater than or equal to a preset angle.
  • the inclined angle of the drain pipe 42 matches the inclined angle of the drain pan 40, so that the condensed water in the drain pan 40 can be drained smoothly.
  • the refrigerator 100 of this embodiment has multiple storage spaces, including a refrigerating space and at least one freezing space.
  • the box body 10 may include: a refrigerating liner 72 and a freezing liner 71.
  • the freezer liner 71 defines a cooling chamber 11 and at least one freezer space directly above the cooling chamber 11.
  • the bottom wall of the freezer liner 71 serves as the bottom wall of the cooling chamber 11 with a water receiving pan 40 formed therein.
  • the refrigerating liner 72 is arranged directly above the freezing liner 71, and a refrigerating space is defined inside.
  • the inside of the refrigerating liner 72 of this embodiment defines a first space 131, and can be set as a refrigerating space
  • the inside of the refrigerating liner 71 defines a second space 132 and the cooling chamber 11, and the second space 132 can be Set up as a freezer space.
  • the second space 132 of the refrigerator 100 of this embodiment is adjacently arranged above the cooling chamber 11, and the first space 131 is arranged above the cooling chamber 11 at intervals.
  • the box body 10 may further include: a shell 60 and a foam layer 73.
  • the casing 60 is provided outside the freezing liner 71 and the refrigerating liner 72.
  • the foam layer 73 is disposed between the casing 60 and the refrigerating liner 72 and the freezing liner 71 to isolate the heat from the outside of the refrigerator 100.
  • the bottom wall of the freezing liner 71 is formed with a water receiving pan 40 as the bottom wall of the cooling chamber 11.
  • Figure 4 shows the bottom of the water tray 40.
  • the bottom of the water tray 40 can be divided into three areas from back to front: a first area 81, a second area 82 and a third area 83.
  • the first area 81 is close to the compressor bin 12, the second area 82 is located between the evaporator 21 and the compressor bin 12, and the third area 83 is located below the evaporator 21.
  • the first area 81 is not provided with a compensation heating wire 80, but is attached with a thermally conductive material 85 to conduct the heat of the compressor compartment 12.
  • the thermally conductive material 85 may be aluminum foil, which can effectively improve the heat conduction efficiency and improve the uniformity of heating.
  • the second area 82 is provided with a compensation heating wire 80 of a first density
  • the third area 83 is provided with a compensation heating wire 80 of a second density, wherein the first density is less than the second density.
  • Different areas at the bottom of the water receiving tray 40 are provided with compensation heating wires 80 with different densities corresponding to different heating requirements, and the heat of the compressor compartment 12 is effectively used to realize energy saving and environmental protection.
  • the compensation heating wire 80 provided in the third area 83 below the evaporator 21 has a relatively high density and can provide a large amount of heat to ensure that the remaining ice cubes are melted.
  • the refrigerator 100 may further include: a return air duct 32, which is arranged on either side wall of the refrigerating liner 72 and the freezing liner 71, and the upper end of which is provided with return air communicating with the refrigerating space
  • the lower end of the inlet 321 is provided with a return air outlet 323 communicating with the cooling chamber 11 to realize the return of air from the refrigerating space to the cooling chamber 11.
  • the return air inlet 321 is provided at the front of the side wall of the refrigerating liner 72
  • the return air outlet 323 is provided at the front of the side wall on the same side of the refrigerating liner 71
  • the return air outlet 323 is provided at the front of the cooling chamber 11.
  • the freezing liner 71 is on the side wall.
  • the return air inlet 321 and the return air outlet 323 are arranged at the front of the side walls of the refrigerating liner 72 and the freezing liner 71, so that the cold capacity inside the refrigerating space can be sufficiently cooled from the back to the front to pass through the return air duct 32 Return to the cooling chamber 11.
  • two return air ducts 32 can be provided, and they can be symmetrically provided on the two side walls of the refrigerating liner 72 and the freezing liner 71.
  • the bottom of the water receiving tray 40 is further divided into a fourth area 84, the fourth area 84 is located on the front side of the water receiving tray 40 and close to the return air outlet 323, and the fourth area 84 is provided with a compensation heating wire 80.
  • the return air duct 32 is symmetrically arranged on the two side walls of the refrigerating liner 72 and the freezing liner 71, the return air outlets 323 on the corresponding two sides are divided into two fourth regions 84, and each fourth region 84 is divided into two fourth regions 84.
  • a compensation heating wire 80 is provided.
  • the fourth area 84 is provided with a compensating heating wire 80 to avoid condensation and icing at the return air outlet 323 and ensure smooth return air.
  • the refrigerator 100 may further include: an air supply duct 31, which is provided on the inner side of the rear wall of the refrigerating liner 72 and the freezing liner 71, and has an air supply inlet 312 connected to the cooling chamber 11 at the bottom end. , And corresponding to the refrigerating space and the freezing space are respectively provided with air outlets 311 to transmit the cold energy provided by the evaporator 21 to the storage space. Since the air supply outlet 311 is located at the rear side of each storage space, the cold energy of each storage space is transferred from the rear side to the front side.
  • a refrigerating fan 22 may be further provided on the rear side of the evaporator 21, and the refrigerating fan 22 may be arranged forwardly on the rear side of the evaporator 21, and the outlet of the refrigerating fan 22
  • the wind direction may be directly opposite to the air supply inlet 312 so that the cold generated by the evaporator 21 can smoothly enter the air supply duct 31.
  • the air supply duct 31 may also be provided with a damper 313, which opens and closes in a controlled manner to adjust the amount of cold entering the refrigerating space.
  • the refrigerator 100 may further include: an evaporator cover 111, which is arranged above the evaporator 21 and serves as a top wall to define the cooling chamber 11 together with the freezing liner 71.
  • the front end of the evaporator cover 111 is provided with a refrigerating return air outlet 112 communicating with the refrigerating space, so as to realize the return of air from the refrigerating space to the cooling chamber 11.
  • the freezing return air opening 112 may be in the shape of a louver.
  • the second space 132 in this embodiment is used as a refrigerated space, and is arranged adjacent to the upper side of the cooling chamber 11, and can quickly return air to the cooling chamber 11 through the refrigerating return air opening 112.
  • the refrigerator 100 of this embodiment includes: a box body 10 defining a cooling chamber 11 and at least one storage space inside.
  • the cooling chamber 11 is provided at the bottom of the box body 10 and directly below the storage space; a door body 20, Is arranged on the front surface of the box body 10 to operably open and close the storage space; and the evaporator 21, which is horizontally placed in the cooling chamber 11 in the shape of a flat cube, and is configured to provide cold energy to the storage space, wherein the evaporator A water receiving pan 40 is formed on the bottom wall of the cooling chamber 11 below the evaporator 21 to receive the condensed water generated by the evaporator 21, and different areas of the bottom of the water receiving pan 40 are provided with compensation heating wires 80 with different densities.
  • the compensation heating wire 80 provided at the bottom of the water receiving tray 40 can fully melt the remaining ice cubes, avoiding the remaining ice cubes from blocking the drain port 41, and ensuring the complete defrosting of the evaporator 21. Improve the cooling efficiency of the evaporator 21.
  • the bottom of the water receiving tray 40 is divided into three areas from back to front: a first area 81, a second area 82, and a third area 83, where the first area 81 is close to the compressor compartment 12 , The second area 82 is located between the evaporator 21 and the compressor compartment 12, and the third area 83 is located below the evaporator 21.
  • the first area 81 is not provided with a compensating heating wire 80, and a heat-conducting material 85 is attached to conduct the heat of the compressor compartment 12.
  • the second area 82 is provided with a compensation heating wire 80 of a first density
  • the third area 83 is provided with a compensation heating wire 80 of a second density, wherein the first density is less than the second density.
  • the compensation heating wire 80 provided in the third area 83 below the evaporator 21 has a relatively high density and can provide a large amount of heat to ensure that the remaining ice cubes are melted.
  • the bottom of the water receiving tray 40 is also divided into a fourth area 84.
  • the fourth area 84 is located in front of the water receiving tray 40 and is close to the return air outlet 323.
  • the fourth area 84 is provided with a compensation heating wire 80 to avoid the return air outlet 323. Condensation and icing ensure a smooth return air.
  • FIG. 6 is a schematic side view of a refrigerator 10 with a drain pipe 130 according to an embodiment of the present invention
  • FIG. 7 is an exploded schematic view of a refrigerator 10 with a drain pipe according to an embodiment of the present invention (in order to show the internal structure of the refrigerator 10, hidden Without the door and heat insulation layer)
  • FIG. 8 is a schematic side view of the lower part of the refrigerator 10 with a drain pipe according to an embodiment of the present invention.
  • the position of the evaporator 210 in the refrigeration system is changed from the rear of the storage compartment 220 to the bottom of the storage compartment 220, and the vertical installation method of the evaporator 210 is changed to a horizontal placement.
  • the height of the storage compartment 220 is increased, which is convenient for users to operate.
  • the evaporator 210 is no longer arranged on the back, the utilization efficiency of the storage space of the ice box 10 is improved.
  • the compressor 214 and the condenser are arranged at the bottom and rear of the evaporator 210, so that the storage compartment 220 at the bottom is flat, and the space utilization rate of the storage space of the refrigerator 10 is improved.
  • the refrigerator 10 of this embodiment may include: a cabinet 200, a door 230, a refrigeration system, and the like.
  • the box 200 includes a box shell 201, a storage liner 202, a heat insulation layer 203, and other accessories.
  • the box shell 201 is the outer structure of the refrigerator 10 and protects the entire refrigerator 10. In order to isolate the heat conduction from the outside, there is a heat insulation layer 203 between the box shell 201 and the box inner bladder 202, and the heat insulation layer 203 can be processed by a foaming process.
  • the box body 200 defines at least one storage compartment 220 with an open front side, usually multiple, such as a refrigerator compartment, a freezer compartment, a greenhouse and so on.
  • the number and functions of specific storage compartments 220 can be configured according to pre-demand. In this embodiment, the number, structure, and function of each storage compartment 220 can be configured according to specific conditions. Generally, In other words, the storage compartment 220 whose bottom is close to the evaporator 210 can be used as a freezing compartment.
  • the box 200 may also define a cooling chamber 211 for arranging the evaporator 210.
  • the evaporator 210 is horizontally placed in the cooling chamber 211 in the shape of a flat cube, that is, the long and wide surfaces of the evaporator 210 are parallel to the horizontal plane, and the thickness surface is placed perpendicular to the horizontal plane.
  • the evaporator 210 is generally parallel to the ground, and the thickness is significantly smaller than that of the evaporator.
  • the length and width of the device 210 is generally parallel to the ground, and the thickness is significantly smaller than that of the evaporator.
  • the cooling chamber 211 is located at the inner bottom of the storage liner 202; a compressor compartment 213 is also formed at the rear below the storage liner 202.
  • the compressor 214 and the condenser (not shown in the figure) are laterally spaced apart in the compressor compartment 213.
  • a heat dissipation fan (not shown in the figure) is arranged between the condenser and the compressor 214. The heat dissipation fan promotes the formation of a heat dissipation airflow flowing through the condenser and the compressor 214 to achieve heat dissipation.
  • the refrigeration system may be a refrigeration cycle system composed of a compressor 214, a condenser, a throttling device (not shown in the figure), an evaporator 210, and the like.
  • the evaporator 210 is configured to provide cold energy into the storage compartment 220, and the cold energy can be transferred through an air duct system, and air flow circulation is achieved through a fan. Since the refrigeration system itself is well-known and easy to implement by those skilled in the art, in order not to obscure or obscure the invention of the present application, the working principle of the refrigeration system will not be described in detail in the following.
  • the air supply duct 215 may be arranged on the back of the storage liner 202, and it has an air inlet arranged in the cooling chamber 211 and an air outlet respectively opened on the back of the storage compartment 220, and the air inlet is provided for forming a cooling air flow.
  • the air supply fan 212 The air supply duct 215 is used to distribute the cooling air flow, so that the storage compartment 220 can reach the respective set temperature.
  • the blower 212 may be located in the cooling chamber 211 and obliquely disposed on the rear side of the evaporator 210.
  • the blower 212 is obliquely installed on the rear side of the evaporator 210, and the blower 212 is in an inclined posture as a whole. As a result, the height space occupied by the air blower 212 is reduced, thereby reducing the height space occupied by the cooling chamber 211, and the storage volume of the storage compartment 220 at the upper portion of the cooling chamber 211 is ensured.
  • the return airflow of the storage compartment 220 enters the cooling chamber 211 from the return air port 216 opened in the front of the cooling chamber 211, and exchanges heat with the evaporator 210.
  • the evaporator 210 may also be provided with heating devices such as heating wires. When defrosting is required, the heating wire is heated to defrost the frost attached to the evaporator 210.
  • the heating wire may be embedded in a channel formed by a plurality of fin gaps of the evaporator 210, or may be integrally installed at the top and bottom of the evaporator 210 to directly heat the evaporator 210 to improve the defrosting effect.
  • the bottom wall of the cooling chamber 211 may be formed with a water receiving pan 110 for receiving water dripping from the evaporator 210.
  • a drain 111 is opened at the bottom of the water receiving pan 110.
  • the water receiving tray 110 may be a concave structure disposed under the evaporator 210.
  • a recessed water receiving pan 110 is formed under the evaporator 210, and the refrigerator 10 may further include an evaporating dish 120 and a drain pipe 130.
  • the evaporating dish 120 is arranged at the bottom of the condenser in the compressor compartment 213 to use the heat of the condenser to evaporate the moisture in the evaporating dish 120 and to use the heat dissipation airflow to accelerate the efficiency of the evaporator 210.
  • the evaporating dish 120 is entirely arranged below the water receiving pan 110.
  • the drain pipe 130 is connected between the drain port 111 and the evaporating dish 120, and is used to lead the water in the water receiving pan 110 to the evaporating dish 120.
  • the drain pipe 130 can incline through the insulating layer 203 and enter the compressor compartment 213.
  • the inclination angle of the drain pipe 130 can make the water flow to the evaporating dish naturally. 120 in.
  • the inclination angle of the drain pipe 130 may be set to be greater than or equal to 5° and less than or equal to 10° with the horizontal plane.
  • the setting of the inclination angle takes into account the drainage angle of the drain pipe 130 and the compactness of space.
  • the drain 111 may be located below the front of the evaporator 210, for example, the ratio of the horizontal distance between the drain 111 and the front end of the evaporator 210 and the horizontal distance between the drain 111 and the rear end of the evaporator 210 is greater than 1/6 and less than 1/2.
  • the ratio of the horizontal distance between the drain port 111 and the front end of the evaporator 210 and the horizontal distance between the drain port 111 and the rear end of the evaporator 210 may be 1/3, that is, the drain port 111 is located below the front third of the evaporator 210 .
  • FIG. 9 is a schematic diagram of the part of the drain pipe 130 extending into the evaporating dish 120 in the refrigerator 10 with a drain pipe according to an embodiment of the present invention.
  • FIG. 10 is an enlarged schematic view of the end of the drain pipe 130 in the refrigerator 10 with a drain pipe according to an embodiment of the present invention.
  • the hot and humid air in the compressor compartment 213 easily enters the cooling chamber 211 from the drain pipe 130, resulting in icing at the bottom of the evaporator 210.
  • the humid and hot air in the compressor compartment 213 has a higher humidity and a higher temperature. The ice cubes formed in this way are not easily melted by the heating wire, and the ice cubes fall off.
  • the water outlet 111 is in the water outlet 111, the water outlet 111 will be blocked by ice, causing hidden dangers to the refrigeration performance and safety performance of the refrigerator 10.
  • the part of the drain pipe 130 extending into the evaporating dish 120 may include: an extension pipe section 131 and an end pipe section 132 connected to the extension pipe section 131 and located at the end of the drain pipe 130.
  • the inner diameter of the end pipe section 132 is 10% to the inner diameter of the extension pipe section 131. 50%, thereby reducing the size of the water outlet of the drain pipe 130.
  • the inner diameter of the end pipe section 132 is 20% to 40%, such as 30%, of the inner diameter of the extension pipe section 131.
  • Such a proportional relationship can ensure the smooth discharge of water and at the same time facilitate the formation of sealing structures such as water seals.
  • the end pipe section 132 of the drain pipe 130 becomes thinner, while ensuring that the condensed water or defrosting water can flow out normally, the flow area of the hot and humid air from the compressor compartment 213 into the cooling chamber 211 can also be reduced.
  • transition pipe section 133 between the end pipe section 132 and the extension pipe section 131.
  • the inner diameter of the transition pipe section 133 is tapered along the drainage direction to form a funnel shape.
  • the transition pipe section 133 is used to avoid water accumulation on the top of the end pipe section 132 so that water can flow down naturally.
  • a floating body 114 is arranged above the transition pipe section 133 in the extension pipe section 131, and the shape of the bottom of the floating body 114 is adapted to the inner diameter shape of the transition pipe section 133.
  • the density of the floating body 114 is less than that of water, and the buoyancy of the water can be used to rise to open the transition pipe section 133.
  • the water level of the evaporating dish 120 increases, and after entering the end of the drain pipe 130, the floating body 114 is lifted up to achieve water sealing. When the water level in the evaporating dish 120 is low and there is no water flowing down, the floating body 114 falls, forming a seal with the pipe wall of the transition pipe section 133.
  • the end pipe section 132 and the transition pipe section 133 may both be vertically arranged.
  • a water storage part 115 is formed at the bottom of the water receiving pan 110, and the end pipe section 132 is inserted into the water storage part 115 so that the discharged water fills the water storage part 115 and overflows into the evaporating dish 120.
  • the entire end pipe section 132 is located in the water storage part 115.
  • the water level of the water reservoir 115 is higher than the evaporating dish 120, and the end of the drain pipe 130 can also be water sealed.
  • the structure of the above-mentioned floating body 114 and the water storage part 115 can be selected and used according to needs. In some embodiments, only the floating body 114 or only the water storage part 115 may be used; in other embodiments, the floating body 114 and the water storage part may also be provided at the same time. ⁇ 115.
  • Fig. 11 is a schematic side view of a lower part of a refrigerator 10 with a drain pipe according to another embodiment of the present invention.
  • the refrigerator 10 may also be provided with a drain pump 140 which is connected to the drain pipe 130 and pumps the water in the water receiving pan 110 into the evaporating dish 120.
  • the drain pump 140 may be installed in the evaporating dish 120 and turned on when it is necessary to pump water (for example, when defrosting). During normal operation, the drain pump 140 is closed, and the drain pipe 130 can be closed to prevent hot and humid air from entering the cooling chamber 211.
  • the drain pan 110 under the evaporator 210 can be a flat surface or the drain pan 110 can be omitted directly.
  • the evaporator 210 defrosts, the defrosting water accumulates on the bottom wall of the cooling chamber 211; After the end (or during the defrosting process), the drain pump 140 is turned on, and the defrosting water flows into the evaporating dish 120 through the drain pipe 130 and the drain pump 140.
  • the water receiving tray 110 at the bottom of the evaporator 210 can be made into a flat surface or a surface with a small inclination angle, which can save the cost of molds and process costs for the production of the refrigerator 10.
  • Fig. 12 is a schematic diagram of a drainage system in a refrigerator 10 with a drain pipe according to an embodiment of the present invention
  • Fig. 13 is a partial enlarged view of A in Fig. 12
  • Fig. 14 is a partial enlarged view of B in Fig. 12.
  • the box 200 may further include a back 204 located at the rear side of the storage liner 202, and the back 204 is used as a part of the box shell 201.
  • the partition plate extends obliquely forward from the back 204 to form the top wall of the compressor compartment 213.
  • the partition plate may also be called a sump, the upper side of which is used for foaming to form the heat insulation layer 203, and the lower side of which defines the compressor compartment 213.
  • the refrigerator 10 of this embodiment may also be provided with a connecting seat 112 and a protective sheet 113.
  • the connecting seat 112 is attached to the outside of the bottom of the water receiving tray 110, and a drain pipe 130 is connected at a position opposite to the drain outlet 111 to utilize the drain pipe. 130 leads the water in the water receiving tray 110 to the evaporating dish 120. Since the drain pipe 130 is installed at the drain outlet 111 of the water receiving tray 110 by using the connecting seat 112 attached to the outside of the bottom of the water receiving tray 110, the installation and fixing structure is simple and reliable.
  • the protective sheet 113 is attached to the connecting edge of the connecting seat 112 and the water receiving tray 110 to prevent the foaming material from overflowing into the cooling chamber 211 during the foaming of the box 200, thereby avoiding quality problems caused by overflow.
  • the shape of the side of the connecting seat 112 facing the water receiving tray 110 is adapted to the bottom of the water receiving tray 110, for example, it has a disk shape.
  • the protective sheet 113 may be made of aluminum foil and stuck to the connecting edge of the connecting seat 112 and the water receiving tray 110.
  • the drain pipe 130 of the refrigerator 10 of this embodiment can also use a hose, which can be bent and squeezed to a certain extent.
  • the two ends of the hose are respectively connected to the drain pan 110 and the compressor compartment 213.
  • the hose can compensate for the position deviation of the installation through deformation, reducing the difficulty of installation.
  • the drain pipe 130 may include an upper section 136, a bellows section 137, and a lower section 138.
  • the upper end of the upper section 136 is fixed to the connecting seat 112 and extends obliquely downward through the heat insulation layer 203 between the cooling chamber 211 and the compressor compartment 213, that is, the upper section 136 serves as a pipe section connected to the connecting seat 112.
  • the upper end of the bellows section 137 is connected to the lower end of the upper section 136 and extends to the evaporating dish 120.
  • the lower section 138 the upper end of which is connected with the lower end of the bellows section 137, is used for draining water into the evaporating dish 120.
  • the use of the bellows section 137 reduces the difficulty of installation.
  • the bellows section 137 may be replaced by a pipe that is bent or deformed to a certain extent along its length direction, or is deformed by compression along its length direction.
  • the upper end of the bellows section 137 is provided with a bayonet 151, and the lower end of the upper section 136 is provided with a chuck 152. After the upper end of the bellows section 137 is sleeved on the lower end of the upper section 136, the chuck 152 is clamped with the bayonet 151 , So that the bellows section 137 snaps to the upper section 136.
  • the corrugated pipe section 137 is fixed by a clamping structure, which is simple to install and securely fixed.
  • the upper section 136 is respectively provided with flanges 153 and external threads 154 on both sides of the partition plate; and a fixing ring 156 is matched with the external thread 154, and the fixing ring 156 is screwed with the external thread 154 to press the partition plate. Tightly between the flange 153 and the fixing ring 156.
  • the flange 153 is also provided with a sealing gasket 155 on the side opposite to the partition plate to prevent the foaming material from overflowing into the compressor compartment 213 when the box 200 is foamed.
  • the gasket 155 is compressed.
  • the gasket 155 can block the foaming material.
  • the lower section 138 may include an inclined connecting section 134 and a vertical water outlet section 135.
  • the inclined connecting section 134 is connected to the lower end of the bellows section 137 and extends along the length of the bellows section 137;
  • the vertical water outlet section 135 is connected to the lower end of the inclined connecting section 134 and is used to vertically guide water into the evaporating dish 120. Since the vertical water outlet section 135 is arranged vertically, the water outlet direction in the drain pipe 130 is vertically downward, which facilitates water outlet and produces a water seal.
  • the above-mentioned drainage pipe 130 structure uses the deformation of the bellows section 137 to compensate for the installation deviation, which reduces the installation difficulty; on the other hand, it can prevent the foaming material from overflowing into the cooling chamber 211 and the compressor compartment 213, thereby improving the production quality.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
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  • Removal Of Water From Condensation And Defrosting (AREA)

Abstract

一种冰箱，包括：箱体（10），其内部限定有冷却室（11）和至少一个储物空间，冷却室（11）设置于箱体（10）的底部且处于储物空间的正下方；门体（20），设置于箱体（10）的前表面，以可操作地开闭储物空间；以及蒸发器（21），其整体呈扁平立方体状横置于冷却室（11），且配置成向储物空间提供冷量，其中蒸发器（21）下方的冷却室（11）的底壁形成有接水盘（40），用于承接蒸发器（21）产生的冷凝水；接水盘底（40）部设置有补偿加热丝（80）。

Description

冰箱 技术领域
本发明涉及家电设备领域，特别是涉及一种冰箱。
背景技术
随着社会日益发展和人们生活水平不断提高，人们的生活节奏也越来越快，可能会一次性购买储备很多食物。为了保证食物的存储效果，冰箱已经成为人们日常生活中不可缺少的家用电器之一。
冰箱一般利用蒸发器向储物空间提供冷量，储物空间内温度升高的空气再返回至蒸发器处，如此形成空气循环。由于储物空间内的空气湿度较高，返回至蒸发器处会导致蒸发器表面出现结霜现象。当霜层的厚度较厚并将蒸发器整体包裹后，会严重影响蒸发器的制冷效率。为了解决蒸发器结霜的问题，现有技术中常常定期对蒸发器进行加热，以使霜层化成水后排出。但是目前对蒸发器进行加热化霜之后，并不能保证完全化霜，可能会有残留的冰块堵塞用于排出化霜水的排水口，影响正常化霜，进而影响蒸发器的制冷效率。
发明内容
本发明的一个目的是保证蒸发器完全化霜，提升蒸发器的制冷效率。
本发明的一个进一步的目的是有效利用热量，节能环保。
本发明的另一个目的是要提供一种避免湿热空气从排水管进入冷却室使蒸发器严重结霜的冰箱。
本发明的另一个进一步的目的是要提高冰箱的使用可靠性。
本发明的又一个目的是要提供一种避免发泡料溢入冷却室的具有排水管的冰箱。
本发明的又一个进一步的目的是要避免发泡料溢入压缩机仓。
特别地，本发明提供了一种冰箱，包括：
箱体，其内部限定有冷却室和至少一个储物空间，所述冷却室设置于所述箱体的底部且处于所述储物空间的正下方；
门体，设置于所述箱体的前表面，以可操作地开闭所述储物空间；以及
蒸发器，其整体呈扁平立方体状横置于所述冷却室，且配置成向所述储物空间提供冷量，其中所述蒸发器下方的所述冷却室的底壁形成有接水盘，用于承接所述蒸发器产生的冷凝水；
所述接水盘底部设置有补偿加热丝。
可选地，所述接水盘底部的不同区域设置有密度不同的补偿加热丝；
所述箱体内部还限定有压缩机仓，所述压缩机仓设置于所述箱体的底部且位于所述冷却室的后方；
所述接水盘底部由后至前划分为三个区域：第一区域、第二区域和第三区域，
其中所述第一区域靠近所述压缩机仓，所述第二区域位于所述蒸发器和所述压缩机仓之间，所述第三区域位于所述蒸发器下方。
可选地，所述第一区域未设置所述补偿加热丝，贴设有导热材料，以传导所述压缩机仓的热量；
所述第二区域设置有第一密度的所述补偿加热丝，
所述第三区域设置有第二密度的所述补偿加热丝，
其中所述第一密度小于所述第二密度。
可选地，所述储物空间为多个，包括冷藏空间和至少一个冷冻空间，且
所述箱体包括：冷冻内胆，其内部限定有所述冷却室和位于所述冷却室正上方的至少一个所述冷冻空间，其中所述冷冻内胆的底壁作为所述冷却室的底壁形成有所述接水盘；以及冷藏内胆，设置于所述冷冻内胆正上方，其内部限定有所述冷藏空间。
可选地，所述冰箱还包括：
回风风道，设置于所述冷藏内胆和冷冻内胆的任一侧壁上，且其上端设置有连通所述冷藏空间的回风入口，其下端设置有连通所述冷却室的回风出口，以实现所述冷藏空间向所述冷却室回风。
可选地，所述接水盘底部还划分有第四区域，所述第四区域位于所述接水盘前侧且靠近所述回风出口，且
所述第四区域设置有所述补偿加热丝。
可选地，所述冰箱还包括：
送风风道，设置于所述冷藏内胆和所述冷冻内胆的后壁内侧，其底端具有连通所述冷却室的送风入口，且对应所述冷藏空间和所述冷冻空间分别设置有送风出口，以将所述蒸发器提供的冷量传输至所述储物空间；
蒸发器盖板，罩设于所述蒸发器上方，并作为顶壁与所述冷冻内胆共同限定出所述冷却室，且
所述蒸发器盖板的前端设置有与所述冷冻空间连通的冷冻回风口，以实现所述冷冻空间向所述冷却室回风。
可选地，所述接水盘的底部开有排水口，所述冰箱还包括：
蒸发皿，设置于所述接水盘的下方；
排水管，连接于所述排水口与所述蒸发皿之间，用于将所述接水盘的水导出至所述蒸发皿，并且所述排水管伸入所述蒸发皿的部分包括：延伸管段以及与所述延伸管段相连且位于所述排水管末端的末端管段，所述末端管段内径为所述延伸管段内径的10％至50％，从而减小所述排水管的出水口的大小。
可选地，所述末端管段与所述延伸管段之间还具有过渡管段，所述过渡管段的内径沿排水方向渐缩，形成漏斗状。
可选地，所述延伸管段内在所述过渡管段的上方布置有浮体，所述浮体的底部外形与所述过渡管段的内径形状相适配，所述浮体的密度小于水，以利用水的浮力上升从而 打开所述过渡管段；
所述末端管段以及所述过渡管段均竖直设置。
可选地，所述接水盘的底部形成有蓄水部，所述末端管段插入所述蓄水部内，使得排出的水蓄满所述蓄水部后溢出至所述蒸发皿内，所述冰箱还包括：
排水泵，与所述排水管相连，将所述接水盘的水抽至所述蒸发皿内；其中
所述箱体包括储物内胆，所述冷却室位于所述储物内胆的内侧底部；
所述储物内胆的下方的后部还形成有压缩机仓，所述蒸发皿设置于所述压缩机仓内；
所述冷却室与所述压缩机仓之间具有隔热层，所述排水管倾斜穿过所述隔热层，进入所述压缩机仓。
可选地，所述蒸发器，其整体呈扁平立方体状横置于所述冷却室内，并且
所述冰箱还包括：送风风机，位于所述冷却室中并倾斜地设置于所述蒸发器后侧，其中
所述排水口位于所述蒸发器前部的下方；
所述排水口与所述蒸发器前端的水平距离和所述排水口与所述蒸发器后端的水平距离之比大于1/6且小于1/2。
可选地，所述接水盘的底部开有排水口，所述冰箱还包括：
蒸发皿，设置于所述接水盘的下方；
连接座，贴附于所述接水盘底部外侧，其在所述排水口相对的位置处连接有排水管，所述排水管用于将所述接水盘的水导出至所述蒸发皿；以及
防护片，附着于所述连接座与所述接水盘的连接边缘，以防止所述箱体在进行发泡时发泡材料溢入所述冷却室。
可选地，所述连接座朝向所述接水盘一侧的外形与所述接水盘的底部相适配；
所述防护片由铝箔制成，粘贴于所述连接座与所述接水盘的连接边缘。
可选地，所述箱体包括储物内胆，所述冷却室位于所述储物内胆的内侧底部；
所述储物内胆的下方的后部还形成有压缩机仓，所述压缩机仓内布置有所述蒸发皿；
所述排水管倾斜穿过所述冷却室与所述压缩机仓之间的隔热层；所述排水管包括：
上部区段，其上端与所述连接座固定，并倾斜向下延伸穿过所述冷却室与所述压缩机仓之间的隔热层；
波纹管区段，其上端与所述上部区段的下端相连，并延伸至所述蒸发皿；
下部区段，其上端与所述波纹管区段的下端相连，用于向所述蒸发皿内排水；其中
所述下部区段包括：
倾斜连接段，与所述波纹管区段的下端相连，并沿所述波纹管区段的长度方向延伸；
竖直出水段，与所述倾斜连接段的下端相连，并用于将水竖直导入所述蒸发皿。
可选地，所述箱体还包括：
后背，位于所述储物内胆的后侧；
分隔板，从所述后背倾斜向前延伸，以形成所述压缩机仓的顶壁；并且上部区段从所述分隔板的通孔中穿出，进入所述压缩机仓，其中
所述波纹管区段的上端设置有卡口，所述上部区段的下端设置有卡头，所述波纹管区段的上端套设于所述上部区段的下端后，所述卡头与所述卡口卡接，以使得所述波纹管区段卡接与所述上部区段；
所述上部区段在所述分隔板的两侧分别设置有凸缘以及外螺纹；并且所述外螺纹处配合设置有固定环，所述固定环通过与所述外螺纹旋接，使所述分隔板压紧在所述凸缘与所述固定环之间；
所述凸缘相对于所述分隔板的一侧还设置有密封垫，以防止所述箱体在进行发泡时发泡材料溢入所述压缩机仓。
本发明的冰箱，包括：箱体，其内部限定有冷却室和至少一个储物空间，冷却室设置于箱体的底部且处于储物空间的正下方；门体，设置于箱体的前表面，以可操作地开闭储物空间；以及蒸发器，其整体呈扁平立方体状横置于冷却室，且配置成向储物空间提供冷量，其中蒸发器下方的冷却室的底壁形成有接水盘，用于承接蒸发器产生的冷凝水，且接水盘底部设置有补偿加热丝。在蒸发器正常的加热化霜之余，接水盘底部设置的补偿加热丝能够将残留的冰块充分融化，避免残留的冰块堵塞排水口，保证蒸发器化霜完全，提升蒸发器的制冷效率。
进一步地，本发明的冰箱，接水盘底部由后至前划分为三个区域：第一区域、第二区域和第三区域，其中第一区域靠近压缩机仓，第二区域位于蒸发器和压缩机仓之间，第三区域位于蒸发器下方。第一区域未设置补偿加热丝，贴设有导热材料，以传导压缩机仓的热量。第二区域设置有第一密度的补偿加热丝，第三区域设置有第二密度的补偿加热丝，其中第一密度小于第二密度。接水盘底部的不同区域对应其不同的加热需求设置有密度不同的补偿加热丝，并有效利用压缩机仓的热量，实现节能环保。蒸发器下方的第三区域设置的补偿加热丝密度较大，能够提供大量热量，保证将残留冰块融化。此外，接水盘底部还划分有第四区域，第四区域位于接水盘前侧且靠近回风出口，第四区域设置有补偿加热丝，避免回风出口处凝露结冰，保证回风顺畅。
本发明的冰箱，排水管伸入蒸发皿的部分中的末端管段内径为其上方延伸管段内径的10％至50％，从而减小排水管的出水口的大小，也即在排水管的末端缩小内径，便于密封排水管出水口，避免压缩机仓内部湿热空气进行冷却室，减小蒸发器底部严重结冰的可能性，从而解决了蒸发器底部严重结冰，化霜时容易出现冰块封堵排水口的问题。。
进一步地，本发明的冰箱，排水口远离送风风机设置，也可以避免送风风机结霜甚至冻结。
更进一步的，本发明的冰箱，通过在排水口末段设置浮子，可以有效密封排水管。
本发明的具有排水管的冰箱，利用贴附于接水盘底部外侧的连接座将排水管安装于接水盘的排水口处，安装固定结构简单。并且在连接座与接水盘的连接边缘附着防护片(例如铝箔)，在进行发泡时可以阻挡发泡材料溢入冷却室，避免溢料导致质量问题。
进一步地，本发明的冰箱，排水管的上部区段在分隔板的两侧分别设置有凸缘以及外螺纹；利用固定环通过与外螺纹旋接，使分隔板压紧在凸缘与固定环之间，保证了排水管与分隔板的可靠固定，并且凸缘相对于分隔板的一侧还设置有密封垫，以防止箱体 在进行发泡时发泡材料溢入压缩机仓。
根据下文结合附图对本发明具体实施例的详细描述，本领域技术人员将会更加明了本发明的上述以及其他目的、优点和特征。
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冰箱的正面结构示意图；
图2是根据本发明一个实施例的冰箱的侧面结构示意图；
图3是根据本发明一个实施例的冰箱中冷冻内胆的结构示意图；
图4是根据本发明一个实施例的冰箱中接水盘的底部示意图；以及
图5是根据本发明一个实施例的冰箱中接水盘底部的补偿加热丝的分布示意图；
图6是根据本发明一个实施例的具有排水管的冰箱的侧面示意图；
图7是根据本发明一个实施例的具有排水管的冰箱的分解示意图；
图8是根据本发明一个实施例的具有排水管的冰箱下部的侧面示意图；
图9是根据本发明一个实施例的具有排水管的冰箱中排水管伸入蒸发皿内部分的示意图；
图10是根据本发明一个实施例的具有排水管的冰箱中排水管末端的放大示意图；
图11是根据本发明另一实施例的具有排水管的冰箱下部的侧面示意图；
图12是根据本发明一个实施例的具有排水管的冰箱中排水系统的示意图；
图13是图12中A处的局部放大图；
图14是图12中B处的局部放大图。
具体实施方式
本实施例提供了一种冰箱，接水盘底部设置的补偿加热丝能够将残留的冰块充分融化，避免残留的冰块堵塞排水口，保证蒸发器化霜完全，提升蒸发器的制冷效率。图1是根据本发明一个实施例的冰箱100的正面结构示意图，图2是根据本发明一个实施例的冰箱100的侧面结构示意图，图3是根据本发明一个实施例的冰箱100中冷冻内胆71的结构示意图，图4是根据本发明一个实施例的冰箱100中接水盘40的底部示意图，图5是根据本发明一个实施例的冰箱100中接水盘40底部的补偿加热丝80的分布示意图。如图1至图5所示，本实施例的冰箱100一般性地可以包括：箱体10、门体20以及蒸发器21。
其中，箱体10，其内部限定有冷却室11和至少一个储物空间，冷却室11设置于箱体10的底部且处于储物空间的正下方。如图1和图2所示，本实施例的冰箱100可以包括由上至下设置的两个储物空间：第一空间131和第二空间132。其中第一空间131和第二空间132按照用途不同可以配置为冷藏空间、冷冻空间、变温空间或者保鲜空间。各 个储物空间可以由分割板分割为多个储物区域，利用搁物架或者抽屉储存物品。
门体20设置于箱体10的前表面，以可操作地开闭储物空间。门体20与储物空间对应设置，即每一个储物空间都对应有一个或多个门体20。如图2所示，门体20可以枢转地设置于箱体10的前表面。在其他一些实施例中，门体20还可以是抽屉式开启，抽屉的底部可以设置有抽屉滑轨，以保证抽屉开启关闭过程中效果轻柔，减少噪音。
蒸发器21，整体呈扁平立方体状横置于冷却室11，且配置成向储物空间提供冷量。蒸发器21整体呈扁平立方体状横置于冷却室11，即蒸发器21的长、宽面平行于水平面，厚度面垂直于水平面放置。蒸发器21向各种类型的储物空间提供的冷量不同，使得各种类型的储物空间内的温度也不相同。例如冷藏空间内的温度一般处于2℃至10℃之间，优先为4℃至7℃。冷冻空间内的温度范围一般处于-22℃至-14℃。不同种类的物品的最佳存储温度并不相同，进而适宜存放的储物空间也并不相同。例如果蔬类食物适宜存放于冷藏空间或者保鲜空间，而肉类食物适宜存放于冷冻空间。
如图1至图3所示，蒸发器21下方的冷却室11的底壁形成有接水盘40，用于承接蒸发器21产生的冷凝水。在一种优选的实施例中，如图2所示，冷却室11的前段底壁和后段底壁均为沿彼此方向倾斜向下的斜面。冷却室11的前段底壁和后段底壁与水平面均具有一定夹角，可以使得蒸发器21产生的冷凝水顺利进入接水盘40，并可以保证全部排出，有效保证蒸发器21的工作可靠性。
冷却室11的前段底壁和后段底壁的交接处设置有排水口41，排水口41位于蒸发器21的下方。且前段底壁的斜度大于后段底壁的斜度，以使排水口41在水平方向上靠近蒸发器21的前端。可以使得外部空气通过排水口41进入冷却室11后先经过蒸发器21，而不会直接在制冷风机22上形成结霜、结冰等不良现象。
需要强调的是，如图1和图2所示，除了蒸发器21的顶部和底部设置的化霜加热丝90，本实施例的接水盘40底部的不同区域设置有密度不同的补偿加热丝80。化霜加热丝90用于对蒸发器21进行加热，以使蒸发器21化霜。在蒸发器21正常的加热化霜之余，补偿加热丝80能够将残留的冰块充分融化，避免残留的冰块堵塞排水口41，保证蒸发器21化霜完全，提升蒸发器21的制冷效率。
如图2所示，箱体10内部还限定有压缩机仓12，压缩机仓12设置于箱体10的底部且位于冷却室11的后方。在压缩机仓12中可以设置有冷凝器、散热风机和压缩机，上述各部件由于设置于压缩机仓12内部并未在图中示出。在一种具体的实施例中，冰箱100还可以包括：蒸发皿50，设置于冷凝器的下方，以利用冷凝器的热量使蒸发皿50中的水分蒸发，并通过散热风机将水分带走以进行散热。
如图2所示，本实施例的冰箱100还可以包括：排水管42，其一端连接接水盘40的排水口41，其另一端连通至蒸发皿50，以将接水盘40中的冷凝水传输至蒸发皿50。具体地，排水管42倾斜放置，且其连接排水口41的一端高于其另一端，排水管42与水平面的夹角大于等于预设角度。排水管42倾斜的角度与接水盘40的斜面角度配合，使得接水盘40中的冷凝水可以顺利排出。
在一种具体地实施例中，本实施例的冰箱100的储物空间为多个，包括冷藏空间和 至少一个冷冻空间。如图1和图2所示，箱体10可以包括：冷藏内胆72和冷冻内胆71。其中，冷冻内胆71，其内部限定有冷却室11和位于冷却室11正上方的至少一个冷冻空间，其中冷冻内胆71的底壁作为冷却室11的底壁形成有接水盘40。冷藏内胆72，设置于冷冻内胆71正上方，其内部限定有冷藏空间。具体地，本实施例的冷藏内胆72的内部限定有第一空间131，且可以设置为冷藏空间，冷冻内胆71的内部限定有第二空间132和冷却室11，且第二空间132可以设置为冷冻空间。也就是说，本实施例的冰箱100的第二空间132邻接设置于冷却室11上方，而第一空间131间隔设置于冷却室11上方。
此外，箱体10还可以包括：壳体60和发泡层73。其中，壳体60设置于冷冻内胆71和冷藏内胆72的外部。发泡层73设置于壳体60与冷藏内胆72和冷冻内胆71之间，以隔绝冰箱100外部的热量。
如图2和图3所示，冷冻内胆71的底壁作为冷却室11的底壁形成有接水盘40。图4示出的是接水盘40的底部，如图4所示，接水盘40底部由后至前可以划分为三个区域：第一区域81、第二区域82和第三区域83，其中第一区域81靠近压缩机仓12，第二区域82位于蒸发器21和压缩机仓12之间，第三区域83位于蒸发器21下方。在一种优选的实施例中，第一区域81未设置补偿加热丝80，而是贴设有导热材料85，以传导压缩机仓12的热量。例如，导热材料85可以是铝箔，铝箔可以有效提升热传导效率并使受热均匀度提升。
第二区域82设置有第一密度的补偿加热丝80，第三区域83设置有第二密度的补偿加热丝80，其中第一密度小于第二密度。接水盘40底部的不同区域对应其不同的加热需求设置有密度不同的补偿加热丝80，并有效利用压缩机仓12的热量，实现节能环保。蒸发器21下方的第三区域83设置的补偿加热丝80密度较大，能够提供大量热量，保证将残留冰块融化。
如图1和图2所示，冰箱100还可以包括：回风风道32，设置于冷藏内胆72和冷冻内胆71的任一侧壁上，且其上端设置有连通冷藏空间的回风入口321，其下端设置有连通冷却室11的回风出口323，以实现冷藏空间向冷却室11回风。具体地，回风入口321设置于冷藏内胆72的侧壁前部，回风出口323设置于冷冻内胆71同一侧的侧壁前部，并且，回风出口323设置于冷却室11处的冷冻内胆71侧壁上。回风入口321和回风出口323设置于冷藏内胆72和冷冻内胆71的侧壁前部，可以使冷藏空间内部的冷量由后向前对冷藏空间充分降温后，通过回风风道32返回至冷却室11。在一种优选的实施例中，回风风道32可以设置有两条，并可以对称设置于冷藏内胆72和冷冻内胆71的两个侧壁上。
如图4和图5所示，接水盘40底部还划分有第四区域84，第四区域84位于接水盘40前侧且靠近回风出口323，且第四区域84设置有补偿加热丝80。在回风风道32对称设置于冷藏内胆72和冷冻内胆71的两个侧壁上时，对应两侧的回风出口323划分有两个第四区域84，每个第四区域84均设置有补偿加热丝80。第四区域84设置有补偿加热丝80，避免回风出口323处凝露结冰，保证回风顺畅。
如图1和图2所示，冰箱100还可以包括：送风风道31，设置于冷藏内胆72和冷冻 内胆71的后壁内侧，其底端具有连通冷却室11的送风入口312，且对应冷藏空间和冷冻空间分别设置有送风出口311，以将蒸发器21提供的冷量传输至储物空间。由于送风出口311位于每个储物空间的后侧，各个储物空间的冷量由后侧向前侧传递。
在一种优选的实施例中，如图2所示，蒸发器21后侧还可以设置有制冷风机22，该制冷风机22可以前倾地设置于蒸发器21后侧，且制冷风机22的出风方向可以正对着送风入口312，以使得蒸发器21产生的冷量顺利进入送风风道31。送风风道31中还可以设置有风门313，风门313受控地开闭以调节进入冷藏空间的冷量。
如图1和图2所示，冰箱100还可以包括：蒸发器盖板111，罩设于蒸发器21上方，并作为顶壁与冷冻内胆71共同限定出冷却室11。在一种优选的实施例中，蒸发器盖板111的前端设置有与冷冻空间连通的冷冻回风口112，以实现冷冻空间向冷却室11回风。具体地，冷冻回风口112可以为百叶窗形。本实施例的第二空间132作为冷冻空间，邻接设置于冷却室11的上方，可以快速地通过冷冻回风口112实现向冷却室11回风。
本实施例的冰箱100，包括：箱体10，其内部限定有冷却室11和至少一个储物空间，冷却室11设置于箱体10的底部且处于储物空间的正下方；门体20，设置于箱体10的前表面，以可操作地开闭储物空间；以及蒸发器21，其整体呈扁平立方体状横置于冷却室11，且配置成向储物空间提供冷量，其中蒸发器21下方的冷却室11的底壁形成有接水盘40，用于承接蒸发器21产生的冷凝水，且接水盘40底部的不同区域设置有密度不同的补偿加热丝80。在蒸发器21正常的加热化霜之余，接水盘40底部设置的补偿加热丝80能够将残留的冰块充分融化，避免残留的冰块堵塞排水口41，保证蒸发器21化霜完全，提升蒸发器21的制冷效率。
进一步地，本实施例的冰箱100，接水盘40底部由后至前划分为三个区域：第一区域81、第二区域82和第三区域83，其中第一区域81靠近压缩机仓12，第二区域82位于蒸发器21和压缩机仓12之间，第三区域83位于蒸发器21下方。第一区域81未设置补偿加热丝80，贴设有导热材料85，以传导压缩机仓12的热量。第二区域82设置有第一密度的补偿加热丝80，第三区域83设置有第二密度的补偿加热丝80，其中第一密度小于第二密度。接水盘40底部的不同区域对应其不同的加热需求设置有密度不同的补偿加热丝80，并有效利用压缩机仓12的热量，实现节能环保。蒸发器21下方的第三区域83设置的补偿加热丝80密度较大，能够提供大量热量，保证将残留冰块融化。此外，接水盘40底部还划分有第四区域84，第四区域84位于接水盘40前侧且靠近回风出口323，第四区域84设置有补偿加热丝80，避免回风出口323处凝露结冰，保证回风顺畅。
以下参见图6至图14。
图6是根据本发明一个实施例的具有排水管130的冰箱10的侧面示意图，图7是根据本发明一个实施例的具有排水管的冰箱10的分解示意图(为了示出冰箱10内部结构，隐去了门体以及隔热层)，图8是根据本发明一个实施例的具有排水管的冰箱10下部的侧面示意图。本实施例的冰箱10将制冷系统中的蒸发器210的位置从储物间室220后部变更至储物间室220的底部，将蒸发器210的立式安装方式变更为横置式放置，从而提高了储物间室220的高度，便于用户操作。并且由于背部不再布置蒸发器210，提高了冰 箱10储物空间的利用效率。另外将压缩机214和冷凝器布置于蒸发器210的下后方，使得底部的储物间室220平整，提高了冰箱10储物空间的空间使用率。
本实施例的冰箱10可以包括：箱体200、门体230、制冷系统等。其中箱体200包括：箱体外壳201、储物内胆202、隔热层203以及其他附件，箱体外壳201是冰箱10的外层结构，保护着整个冰箱10。为了隔绝与外界的热传导，在箱体外壳201和箱体内胆202之间具有隔热层203，隔热层203可以通过发泡工艺加工而成。
箱体200限定出至少一个前侧敞开的储物间室220，通常为多个，如冷藏室、冷冻室、变温室等等。具体的储物间室220的数量和功能可以根据预先的需求进行配置，在本实施例中可以根据具体情况配置储物间室220的数量、构造、以及各储物间室220的功能，一般而言，底部靠近于蒸发器210的储物间室220可以作为冷冻室。
箱体200还可以限定出用于布置蒸发器210的冷却室211。蒸发器210整体呈扁平立方体状横置于冷却室211内，也即蒸发器210的长、宽面平行于水平面，厚度面垂直于水平面放置，蒸发器210整体平行于地面，而且厚度明显小于蒸发器210的长度及宽度。
冷却室211位于储物内胆202的内侧底部；储物内胆202的下方的后部还形成有压缩机仓213。压缩机214和冷凝器(图中未示出)横向间隔布置于压缩机仓213内。冷凝器和压缩机214之间设置散热风机(图中未示出)。散热风机促使形成流经冷凝器和压缩机214的散热气流，实现散热。
制冷系统可为由压缩机214、冷凝器、节流装置(图中未示出)和蒸发器210等构成的制冷循环系统。蒸发器210配置成向储物间室220内提供冷量，冷量的传递可以通过风路系统实现，通过风机实现气流循环。由于制冷系统本身是本领域技术人员习知且易于实现的，为了不掩盖和模糊本申请的发明点，后文制冷系统的工作原理不做赘述。
送风风道215可以设置于储物内胆202的背部，其具有设置于冷却室211内的进风口以及分别开设于储物间室220背部的送风口，进风口处设置有用于形成制冷气流的送风风机212。利用送风风道215对制冷气流进行分配，可以使储物间室220达到各自设置的温度。送风风机212可以位于冷却室211中并倾斜地设置于蒸发器210后侧。
送风风机212倾斜地设置于蒸发器210后侧，送风风机212整体呈现为倾斜的姿势。由此减小送风风机212所占的高度空间，从而减小冷却室211所占的高度空间，保证了冷却室211上部的储物间室220的存储容积。
储物间室220的返回气流从冷却室211的前部开设的回风口216进入冷却室211，与蒸发器210进行换热。在换热过程中，蒸发器210表面可能出现冷凝水以及结霜的情况。因此蒸发器210上还可以设置有加热丝等加热装置。在需要进行化霜时，加热丝加热，化除蒸发器210上附着的冰霜。加热丝可以嵌设于蒸发器210的多个翅片缺口形成的通道中，或可以一体式地设置于蒸发器210的顶部和底部，对蒸发器210直接加热，提升化霜效果。
为了顺利导出冷凝水或化霜水，冷却室211的底壁可以形成接水盘110，以供承接蒸发器210上滴落的水，接水盘110的底部开有排水口111。在一些实施例中，接水盘110可以为设置于蒸发器210下方的下凹结构。
在蒸发器210下方形成下凹的接水盘110，冰箱10还可以包括蒸发皿120以及排水管130。该蒸发皿120设置于压缩机仓213中冷凝器的底部，以利用冷凝器的热量使蒸发皿120中的水分蒸发，并利用散热气流加快蒸发器210效率。
蒸发皿120整体设置于接水盘110的下方。排水管130连接于排水口111与蒸发皿120之间，用于将接水盘110的水导出至蒸发皿120。冷却室211与压缩机仓213之间具有隔热层203，排水管130可以倾斜穿过隔热层203，进入压缩机仓213，利用排水管130的倾斜角度可以使得水可以自然流动至蒸发皿120中。例如排水管130的倾斜角度可以设置为与水平面的夹角大于等于5°且小于等于10°，该倾斜角度的设置兼顾排水管130的排水角度和空间紧凑性。
为了避免排水口111的位置靠近送风风机212，可能导致送风风机212处冷凝严重甚至被冻结的情况。排水口111可以位于蒸发器210前部的下方，例如排水口111与蒸发器210前端的水平距离和排水口111与蒸发器210后端的水平距离之比大于1/6且小于1/2。例如，排水口111与蒸发器210前端的水平距离和排水口111与蒸发器210后端的水平距离之比可为1/3，也即排水口111位于蒸发器210前三分之一处的下方。从而使得排水口111远离送风风机212，即使出现湿热空气从排水口111进入冷却室211的情况，也可以避免在送风风机212处冷凝。
图9是根据本发明一个实施例的具有排水管的冰箱10中排水管130伸入蒸发皿120内部分的示意图。图10是根据本发明一个实施例的具有排水管的冰箱10中排水管130末端的放大示意图。
由于本实施例的冰箱10中，冷却室211与压缩机仓213的距离相对较短，压缩机仓213的湿热空气容易从排水管130进入冷却室211，导致蒸发器210底部结冰。而且压缩机仓213的湿热空气相比于从储物间室220的送回的气流相比，湿度更大，温度更高，这样形成的冰块不容易被加热丝融化，而且冰块掉落在排水口111时，会使排水口111冰堵，为冰箱10制冷性能和安全性能造成隐患。
基于上述问题，排水管130伸入蒸发皿120的部分可以包括：延伸管段131以及与延伸管段131相连且位于排水管130末端的末端管段132，末端管段132内径为延伸管段131内径的10％至50％，从而减小排水管130的出水口的大小。在一些更优选的实施例中，末端管段132内径为延伸管段131内径的20％至40％，例如30％。这样的比例关系，可以保证水顺利排出，同时有利于形成水封等密封结构。由于排水管130的末端管段132变细，在保证冷凝水或化霜水可以正常流出的情况下，还可以减小湿热空气从压缩机仓213进入冷却室211的流通面积。
末端管段132与延伸管段131之间还具有过渡管段133，过渡管段133的内径沿排水方向渐缩，形成漏斗状，利用过渡管段133避免在末端管段132的顶部积水，使得水可以自然流下。
延伸管段131内在过渡管段133的上方布置有浮体114，浮体114的底部外形与过渡管段133的内径形状相适配。浮体114的密度小于水，可以利用水的浮力上升从而打开过渡管段133。蒸发皿120的水位提高，进入排水管130末端后，将浮体114托起，可以 实现水封。蒸发皿120内水位较低时，且没有水流下时浮体114下落，与过渡管段133的管壁形成密封。
末端管段132以及过渡管段133可以均竖直设置。接水盘110的底部形成有蓄水部115，末端管段132插入蓄水部115内，使得排出的水蓄满蓄水部115后溢出至蒸发皿120内。末端管段132的整体位于蓄水部115内。蓄水部115的水位高于蒸发皿120，也可以使排水管130末端实现水封。
上述浮体114以及蓄水部115的构造可以根据需要选择使用，在一些实施例中可以仅使用浮体114，或者仅使用蓄水部115；在另一些实施例中也可以同时设置浮体114以及蓄水部115。
图11是根据本发明另一实施例的具有排水管的冰箱10下部的侧面示意图。冰箱10还可以设置排水泵140，该排水泵140与排水管130相连，将接水盘110的水抽至蒸发皿120内。排水泵140可以安装于蒸发皿120内，在需要对抽水时(例如化霜时)打开。在正常运行时，排水泵140关闭，可以封闭排水管130，避免湿热空气进入冷却室211。
在使用排水泵140时，蒸发器210下面的接水盘110可以为平整面或者直接省去接水盘110，蒸发器210化霜时，化霜水囤积在冷却室211底壁上；化霜结束后(或者化霜过程中)排水泵140打开，化霜水经排水管130、排水泵140流入蒸发皿120内。
该种结构可以保证蒸发器210底部、风机叶片不结霜。蒸发器210底部的接水盘110可以做成平面或倾斜角度较小的面，可以节省冰箱10生产的模具成本、工艺成本降低。
图12是根据本发明一个实施例的具有排水管的冰箱10中排水系统的示意图，图13是图12中A处的局部放大图，图14是图12中B处的局部放大图。箱体200还可以包括：后背204，位于储物内胆202的后侧，后背204作为箱体外壳201的一部分。分隔板，从后背204倾斜向前延伸，以形成压缩机仓213的顶壁。分隔板也可称为底缸，其上侧用于发泡，形成隔热层203，其下侧限定出压缩机仓213。
本实施例的冰箱10还可以设置有连接座112以及防护片113，连接座112贴附于接水盘110底部外侧，其在排水口111相对的位置处连接有排水管130，以利用排水管130将接水盘110的水导出至蒸发皿120。由于利用贴附于接水盘110底部外侧的连接座112将排水管130安装于接水盘110的排水口111处，安装固定结构简单可靠。防护片113，附着于连接座112与接水盘110的连接边缘，以防止箱体200在进行发泡时发泡材料溢入冷却室211，从而避免溢料导致质量问题。
连接座112朝向接水盘110一侧的外形与接水盘110的底部相适配，例如为盘形等。防护片113可以由铝箔制成，粘贴于连接座112与接水盘110的连接边缘。
本实施例的冰箱10的排水管130还可以使用软管，可在一定程度上被弯曲和挤压，软管的两端分别连接至接水盘110以及压缩机仓213。软管可以通过变形对安装的位置偏差进行补偿，降低安装难度。例如排水管130可以包括：上部区段136、波纹管区段137、下部区段138。上部区段136的上端与连接座112固定，并倾斜向下延伸穿过冷却室211与压缩机仓213之间的隔热层203，也即上部区段136作为与连接座112连接的管段。波纹管区段137的上端与上部区段136的下端相连，并延伸至蒸发皿120。下部区段138， 其上端与波纹管区段137的下端相连，用于向蒸发皿120内排水。从而利用波纹管区段137降低了安装难度。
波纹管区段137，可以采用在一定程度上发生弯曲变形或沿其长度方向上的拉伸变形或沿其长度方向上的压缩变形的管件进行替代。
波纹管区段137的上端设置有卡口151，上部区段136的下端设置有卡头152，波纹管区段137的上端套设于上部区段136的下端后，卡头152与卡口151卡接，以使得波纹管区段137卡接与上部区段136。波纹管区段137通过卡接结构固定，安装简单，固定牢靠。
上部区段136在分隔板的两侧分别设置有凸缘153以及外螺纹154；并且外螺纹154处配合设置有固定环156，固定环156通过与外螺纹154旋接，使分隔板压紧在凸缘153与固定环156之间。凸缘153相对于分隔板的一侧还设置有密封垫155，以防止箱体200在进行发泡时发泡材料溢入压缩机仓213。在固定环156旋接的过程中，密封垫155被压紧。在发泡过程中，密封垫155可以阻挡发泡料。
下部区段138可以包括：倾斜连接段134以及竖直出水段135。倾斜连接段134与波纹管区段137的下端相连，并沿波纹管区段137的长度方向延伸；竖直出水段135，与倾斜连接段134的下端相连，并用于将水竖直导入蒸发皿120。由于竖直出水段135竖直布置，故排水管130中出水方向竖直向下，便于出水以及产生水封。
上述排水管130结构一方面利用波纹管区段137的变形量进行补偿安装偏差，降低了安装难度；另一方面可以避免发泡材料溢入冷却室211以及压缩机仓213，提高了生产质量。
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 (16)

  1. 一种冰箱，包括：
    箱体，其内部限定有冷却室和至少一个储物空间，所述冷却室设置于所述箱体的底部且处于所述储物空间的正下方；
    门体，设置于所述箱体的前表面，以可操作地开闭所述储物空间；以及
    蒸发器，其整体呈扁平立方体状横置于所述冷却室，且配置成向所述储物空间提供冷量，其中所述蒸发器下方的所述冷却室的底壁形成有接水盘，用于承接所述蒸发器产生的冷凝水；
    所述接水盘底部设置有补偿加热丝。
  2. 根据权利要求1所述的冰箱，其中，
    所述接水盘底部的不同区域设置有密度不同的补偿加热丝；
    所述箱体内部还限定有压缩机仓，所述压缩机仓设置于所述箱体的底部且位于所述冷却室的后方；
    所述接水盘底部由后至前划分为三个区域：第一区域、第二区域和第三区域，
    其中所述第一区域靠近所述压缩机仓，所述第二区域位于所述蒸发器和所述压缩机仓之间，所述第三区域位于所述蒸发器下方。
  3. 根据权利要求2所述的冰箱，其中，
    所述第一区域未设置所述补偿加热丝，贴设有导热材料，以传导所述压缩机仓的热量；
    所述第二区域设置有第一密度的所述补偿加热丝，
    所述第三区域设置有第二密度的所述补偿加热丝，
    其中所述第一密度小于所述第二密度。
  4. 根据权利要求1所述的冰箱，其中，
    所述储物空间为多个，包括冷藏空间和至少一个冷冻空间，且
    所述箱体包括：冷冻内胆，其内部限定有所述冷却室和位于所述冷却室正上方的至少一个所述冷冻空间，其中所述冷冻内胆的底壁作为所述冷却室的底壁形成有所述接水盘；以及冷藏内胆，设置于所述冷冻内胆正上方，其内部限定有所述冷藏空间。
  5. 根据权利要求4所述的冰箱，还包括：
    回风风道，设置于所述冷藏内胆和冷冻内胆的任一侧壁上，且其上端设置有连通所述冷藏空间的回风入口，其下端设置有连通所述冷却室的回风出口，以实现所述冷藏空间向所述冷却室回风。
  6. 根据权利要求5所述的冰箱，其中，
    所述接水盘底部还划分有第四区域，所述第四区域位于所述接水盘前侧且靠近所述回风出口，且
    所述第四区域设置有所述补偿加热丝。
  7. 根据权利要求4所述的冰箱，还包括：
    送风风道，设置于所述冷藏内胆和所述冷冻内胆的后壁内侧，其底端具有连通所述冷却室的送风入口，且对应所述冷藏空间和所述冷冻空间分别设置有送风出口，以将所述蒸发器提供的冷量传输至所述储物空间；
    蒸发器盖板，罩设于所述蒸发器上方，并作为顶壁与所述冷冻内胆共同限定出所述冷却室，且
    所述蒸发器盖板的前端设置有与所述冷冻空间连通的冷冻回风口，以实现所述冷冻空间向所述冷却室回风。
  8. 根据权利要求1所述的冰箱，其中，所述接水盘的底部开有排水口，所述冰箱还包括：
    蒸发皿，设置于所述接水盘的下方；
    排水管，连接于所述排水口与所述蒸发皿之间，用于将所述接水盘的水导出至所述蒸发皿，并且所述排水管伸入所述蒸发皿的部分包括：延伸管段以及与所述延伸管段相连且位于所述排水管末端的末端管段，所述末端管段内径为所述延伸管段内径的10％至50％，从而减小所述排水管的出水口的大小。
  9. 根据权利要求8所述的冰箱，其中
    所述末端管段与所述延伸管段之间还具有过渡管段，所述过渡管段的内径沿排水方向渐缩，形成漏斗状。
  10. 根据权利要求9所述的冰箱，其中
    所述延伸管段内在所述过渡管段的上方布置有浮体，所述浮体的底部外形与所述过渡管段的内径形状相适配，所述浮体的密度小于水，以利用水的浮力上升从而打开所述过渡管段；
    所述末端管段以及所述过渡管段均竖直设置。
  11. 根据权利要求8所述的冰箱，其中
    所述接水盘的底部形成有蓄水部，所述末端管段插入所述蓄水部内，使得排出的水蓄满所述蓄水部后溢出至所述蒸发皿内，所述冰箱还包括：
    排水泵，与所述排水管相连，将所述接水盘的水抽至所述蒸发皿内；其中
    所述箱体包括储物内胆，所述冷却室位于所述储物内胆的内侧底部；
    所述储物内胆的下方的后部还形成有压缩机仓，所述蒸发皿设置于所述压缩机仓内；
    所述冷却室与所述压缩机仓之间具有隔热层，所述排水管倾斜穿过所述隔热层，进入所述压缩机仓。
  12. 根据权利要求8所述的冰箱，其中
    所述蒸发器，其整体呈扁平立方体状横置于所述冷却室内，并且
    所述冰箱还包括：送风风机，位于所述冷却室中并倾斜地设置于所述蒸发器后侧，其中
    所述排水口位于所述蒸发器前部的下方；
    所述排水口与所述蒸发器前端的水平距离和所述排水口与所述蒸发器后端的水平距离之比大于1/6且小于1/2。
  13. 根据权利要求1所述的冰箱，其中，所述接水盘的底部开有排水口，所述冰箱还包括：
    蒸发皿，设置于所述接水盘的下方；
    连接座，贴附于所述接水盘底部外侧，其在所述排水口相对的位置处连接有排水管，所述排水管用于将所述接水盘的水导出至所述蒸发皿；以及
    防护片，附着于所述连接座与所述接水盘的连接边缘，以防止所述箱体在进行发泡时发泡材料溢入所述冷却室。
  14. 根据权利要求13所述的冰箱，其中
    所述连接座朝向所述接水盘一侧的外形与所述接水盘的底部相适配；
    所述防护片由铝箔制成，粘贴于所述连接座与所述接水盘的连接边缘。
  15. 根据权利要求13所述的冰箱，其中
    所述箱体包括储物内胆，所述冷却室位于所述储物内胆的内侧底部；
    所述储物内胆的下方的后部还形成有压缩机仓，所述压缩机仓内布置有所述蒸发皿；
    所述排水管倾斜穿过所述冷却室与所述压缩机仓之间的隔热层；所述排水管包括：
    上部区段，其上端与所述连接座固定，并倾斜向下延伸穿过所述冷却室与所述压缩机仓之间的隔热层；
    波纹管区段，其上端与所述上部区段的下端相连，并延伸至所述蒸发皿；
    下部区段，其上端与所述波纹管区段的下端相连，用于向所述蒸发皿内排水；其中所述下部区段包括：
    倾斜连接段，与所述波纹管区段的下端相连，并沿所述波纹管区段的长度方向延伸；
    竖直出水段，与所述倾斜连接段的下端相连，并用于将水竖直导入所述蒸发皿。
  16. 根据权利要求15所述的冰箱，所述箱体还包括：
    后背，位于所述储物内胆的后侧；
    分隔板，从所述后背倾斜向前延伸，以形成所述压缩机仓的顶壁；并且上部区段从所述分隔板的通孔中穿出，进入所述压缩机仓，其中
    所述波纹管区段的上端设置有卡口，所述上部区段的下端设置有卡头，所述波纹管区段的上端套设于所述上部区段的下端后，所述卡头与所述卡口卡接，以使得所述波纹管区段卡接与所述上部区段；
    所述上部区段在所述分隔板的两侧分别设置有凸缘以及外螺纹；并且所述外螺纹处配合设置有固定环，所述固定环通过与所述外螺纹旋接，使所述分隔板压紧在所述凸缘与所述固定环之间；
    所述凸缘相对于所述分隔板的一侧还设置有密封垫，以防止所述箱体在进行发泡时发泡材料溢入所述压缩机仓。
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