WO2022037717A1 - Réfrigérateur comprenant un canal de flux d'air de dissipation de chaleur formé dans une cabine de compresseur - Google Patents

Réfrigérateur comprenant un canal de flux d'air de dissipation de chaleur formé dans une cabine de compresseur Download PDF

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Publication number
WO2022037717A1
WO2022037717A1 PCT/CN2021/123578 CN2021123578W WO2022037717A1 WO 2022037717 A1 WO2022037717 A1 WO 2022037717A1 CN 2021123578 W CN2021123578 W CN 2021123578W WO 2022037717 A1 WO2022037717 A1 WO 2022037717A1
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WIPO (PCT)
Prior art keywords
condenser
compressor
airflow
air
refrigerator
Prior art date
Application number
PCT/CN2021/123578
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English (en)
Chinese (zh)
Inventor
刘山山
曹东强
陈建全
刘会
野田俊典
Original Assignee
青岛海尔电冰箱有限公司
海尔智家股份有限公司
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Publication of WO2022037717A1 publication Critical patent/WO2022037717A1/fr

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D11/00—Self-contained movable devices, e.g. domestic refrigerators
    • F25D11/02—Self-contained movable devices, e.g. domestic refrigerators with cooling 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
    • F25D19/00—Arrangement or mounting of refrigeration units with respect to devices or objects to be refrigerated, e.g. infrared detectors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D21/00—Defrosting; Preventing frosting; Removing condensed or defrost water
    • F25D21/14—Collecting or removing condensed and defrost water; Drip trays
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D23/00—General constructional features
    • 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
    • F25D23/003—General constructional features for cooling refrigerating machinery
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D23/00—General constructional features
    • F25D23/006—General constructional features for mounting refrigerating machinery components

Definitions

  • the invention relates to the field of household appliances, in particular to a refrigerator with a heat dissipation airflow channel formed in a compressor cabin.
  • the heat dissipation structure of the compressor compartment in the refrigerator is mostly provided with air vents on both sides of the box or the rear cover, and the wind enters and exits from the sides or the back to dissipate heat.
  • built-in refrigerators have become the main force leading the trend of home fashion.
  • the two sides of the compressor compartment or the back cover of the refrigerator are easily blocked by the household during heat dissipation, which leads to an increase in the energy consumption of the refrigerator and a deterioration of its performance, which does not meet the policy of energy saving and emission reduction, and reduces the cost of users. user experience.
  • An object of the present invention is to provide a refrigerator capable of solving any of the above-mentioned problems with a cooling air passage formed in a compressor compartment.
  • a further object of the present invention is to optimize the heat dissipation performance of the refrigerator.
  • Another further object of the present invention is to increase the contact area between the cooling airflow and the condenser, so that the cooling is more sufficient.
  • the present invention provides a refrigerator with a cooling airflow channel formed in a compressor compartment, including: a refrigeration system including a compressor and a condenser connected to the compressor; a box body with a compressor compartment behind the bottom of the box, the compressor and The condensers are arranged in the compressor cabin at intervals along the transverse direction of the casing, and the compressor cabin is provided with an airflow suction port in front of the condenser that communicates with the outside of the casing; the air guide assembly is arranged on the side where the condensers are arranged in the compressor cabin , and is configured to form a cooling airflow channel for the air entering from the airflow suction port to flow through the condenser and lead to the area where the compressor is located.
  • the box body also includes: a bottom plate, side plates located on both sides of the bottom plate, a back plate located on the rear side of the bottom plate, and a press room cover, the press room cover and the bottom plate, the side plates, and the back plate jointly define the press room;
  • the condenser is arranged with a space between the rear part and the back plate, and the air flowing through the condenser communicates with the area where the compressor is located through the space.
  • the airflow suction port is opened on the area where the bottom plate is located at the front of the condenser, the bottom plate is located on the area at the front of the compressor, and an airflow discharge port is opened
  • the refrigerator also includes: a cooling fan, which is arranged on the condenser and the compressor. It is configured to promote the formation of a radiating airflow that enters from the airflow suction port and flows through the radiating airflow channel to exchange heat with the condenser, and then is discharged to the airflow discharging port through the compressor.
  • the air guide assembly includes: a wind deflector, which is inclined upward from the front to the rear along the depth direction of the box body from the rear side of the airflow suction port; The air entering the air inlet flows through the condenser along the air baffle.
  • the cover plate of the compressor cabin includes: an inclined front cover, which is inclined upward from the front to the rear along the depth direction of the box body from the front side of the airflow suction port and the airflow discharge port; the top cover is horizontally backward from the rear end of the inclined front cover
  • the inclination angle of the wind deflector is consistent with the inclination angle of the inclined front cover, and is arranged so that the top of the condenser is spaced from the inclined front cover by a set distance.
  • the air guide assembly also includes: first sealing strips, which are arranged on both sides of the condenser and abut against the cover plate of the compressor cabin to prevent the air entering from the airflow suction port from escaping from both sides of the condenser.
  • the condenser as a whole is in the shape of a flat cuboid, and is installed horizontally in the compressor room; and the air guide assembly includes: a top cover plate, which is arranged on the top of the condenser and extends from the front of the condenser to the top of the interval, so as to prevent air from flowing from The top of the condenser dissipates; the first side baffle is arranged on the side of the condenser facing the compressor to prevent air from escaping from the side of the condenser facing the compressor; the second side baffle is arranged on the condenser The side facing away from the compressor, and extending from the rear end of the condenser to the back plate, the side facing away from the compressor at a closed interval.
  • the first side baffle includes: a front end plate segment extending from the front end of the condenser to the airflow suction port to block air from leading to the cooling fan from the front part of the condenser; and a top end plate segment from the top cover plate toward the compressor One end extends up to the compressor compartment cover to block the top of the air condenser from leading to the cooling fan.
  • the air guide assembly further includes: a second sealing strip disposed between the air guide assembly and the cover plate and the back plate of the compressor cabin for sealing the gap between the air guide assembly and the cover plate and the back plate of the compressor cabin.
  • the air guide assembly further includes: a second sealing strip disposed between the air guide assembly and the cover plate and the back plate of the compressor cabin for sealing the gap between the air guide assembly and the cover plate and the back plate of the compressor cabin.
  • the refrigerator further includes: an evaporating dish arranged below the condenser and configured to receive the defrosting water of the refrigerator; a partition member arranged on the bottom surface of the bottom plate and configured to isolate the airflow suction port and the airflow discharge port.
  • the condenser is arranged in the compressor compartment, and the front of the condenser is arranged with an airflow suction port which communicates with the outside of the box.
  • the air guide assembly makes the air flowing in from the airflow suction port fully exchange heat with the condenser, thereby improving the heat dissipation performance of the refrigerator and further optimizing the heat dissipation structure of the refrigerator.
  • the radiating fins of the condenser extend along the depth direction of the box body, and the front of the condenser is provided with an airflow suction port that communicates with the outside of the box body, so that the sucked air can directly pass along the cooling fins of the condenser.
  • the gap between the condensers passes through the condenser, and the heat exchange with the heat sink is fully and uniformly, and the heat dissipation performance of the refrigerator is improved.
  • the condenser of the refrigerator of the present invention is inclined upward from front to back along the depth direction of the box body.
  • An airflow suction port is opened in front of the condenser to increase the contact area between the air entering from the airflow suction port and the condenser, fully dissipating heat from the condenser and enhancing the heat dissipation performance of the refrigerator.
  • FIG. 1 is a schematic front view of a refrigerator according to an embodiment of the present invention.
  • FIG. 2 is a schematic side sectional view of a refrigerator according to an embodiment of the present invention.
  • Fig. 3 is a schematic perspective view of the refrigerator medium pressure cabin shown in Fig. 2;
  • Figure 4 is a schematic rear view of the press room shown in Figure 3;
  • Figure 5 is a schematic side view of the compressor nacelle shown in Figure 3;
  • Figure 6 is a schematic exploded view of the compressor compartment shown in Figure 3;
  • Figure 7 is a schematic bottom view of the compressor nacelle shown in Figure 3;
  • Fig. 8 is the schematic diagram of the connection structure of the condenser and the evaporating dish in the compressor cabin shown in Fig. 3;
  • FIG. 9 is a schematic diagram of the connection structure of the wind deflector and the evaporating dish in the compressor cabin shown in FIG. 3;
  • FIG. 10 is a schematic side sectional view of a refrigerator according to another embodiment of the present invention.
  • Fig. 11 is a schematic perspective view of the medium pressure engine compartment of the refrigerator shown in Fig. 10;
  • Figure 12 is a schematic rear view of the press room shown in Figure 11;
  • Figure 13 is a schematic side view of the press room shown in Figure 11;
  • Figure 14 is a schematic exploded view of the compressor compartment shown in Figure 11;
  • Fig. 15 is a schematic diagram of the connection structure between the condenser and the evaporating dish in the compressor cabin shown in Fig. 11;
  • Figure 16 is a schematic diagram of the connection structure of the air guide assembly and the evaporating dish in the connection structure shown in Figure 11;
  • FIG. 17 is a schematic structural diagram of the air guide assembly described in FIG. 16 .
  • FIG. 1 is a schematic front view of a refrigerator according to an embodiment of the present invention.
  • FIG. 2 is a schematic side sectional view of the refrigerator shown in FIG. 1 .
  • the refrigerator may generally include a box body 10, and the box body 10 includes an outer shell, an inner container and other accessories.
  • the outer shell is the outer structure of the refrigerator and protects the entire refrigerator.
  • a heat insulating layer is added between the outer shell and the inner tank of the box body 10 , and the heat insulating layer is generally formed by a foaming process.
  • the inner liner can be divided into one or more, and the inner liner can be divided into refrigerating inner liner, temperature-changing inner liner, and freezing inner liner according to the function.
  • the specific number of inner liner and function can be configured according to the use requirements of the refrigerator.
  • the inner container at least includes a bottom inner container 110, and the bottom inner container 110 can generally be a frozen inner container.
  • the bottom liner 110 is the inner liner at the bottom of the box body 10 and defines a storage space.
  • the bottom inner container 110 can generally be a freezing inner container, and the bottom inner container 110 defines a storage space and a cooling chamber 100 located below the storage space.
  • the evaporator 60 may be arranged at the center front of the cooling chamber 100 .
  • the bottom of the box body 10 defines a press chamber 400 , and the press chamber 400 is located behind the cooling chamber 100 , that is, the press chamber 400 is located behind the lower part of the bottom inner bladder 110 .
  • the bottom wall of the bottom inner container 110 has an inner container inclined portion 111 inclined upward from front to back at the rear of the cooling chamber 100, and the inclination angle range is set to 30° to 40°, for example, it can be set to 33°, 35°, 38°, preferably 36.7°, to provide sufficient space for the press room 400 .
  • the box body 10 further includes a bottom plate 210 , side plates 250 located on both sides of the bottom plate 210 , a back plate 240 located on the rear side of the bottom plate 210 , and a press room cover plate 230 .
  • the press compartment cover 230 together with the bottom plate 210 , the side plates 250 and the back plate 240 define the press compartment 400 .
  • the condenser 40 is provided with a space between the rear portion and the back plate 240 , and the air flowing through the condenser 40 communicates with the area where the compressor 20 is located through the space.
  • the airflow suction port 2121 is opened on the area of the bottom plate 210 at the front of the condenser 40
  • the airflow discharge port 2122 is opened on the area of the bottom plate 210 at the front of the compressor 20 .
  • the airflow direction in the compressor chamber 400 is as follows: the air at the bottom of the box 10 enters the compressor chamber 400 from the airflow suction port 2121, passes through the condenser 40, enters the space between the rear of the condenser 40 and the back plate 240, and flows to the compressor 20.
  • the casing 10 is discharged from the airflow discharge port 2122 at the front of the compressor 20.
  • the above-mentioned cooling airflow can take away the heat of the condenser 40 and the compressor 20 to ensure the normal operation of the refrigeration system of the refrigerator.
  • the press compartment cover 230 includes a top cover 232 and an inclined front cover 231 .
  • the inclined front cover 231 is inclined upward from the front to the rear along the depth direction of the case 10 from the front sides of the airflow suction port 2121 and the airflow discharge port 2122 .
  • the top cover 232 extends horizontally backward from the rear end of the inclined front cover 231 to connect with the back panel of the box body 10 .
  • the projection of the compressor cabin 400 on the horizontal plane is located behind the projection of the evaporator 60 on the horizontal plane, that is, the compressor cabin 400 and the evaporator 60 are staggered in the horizontal direction, reducing the installation height of the evaporator 60 and increasing the volume of the storage space.
  • the inclined front cover 231 can be arranged in parallel with the inclined portion 111 of the inner container, and the inclination angle is the same.
  • a partition member 213 is provided on the bottom surface of the bottom plate 210 and is configured to isolate the airflow suction port 2121 and the airflow discharge port 2122 .
  • the external air enters the compressor compartment 400 through the airflow suction port 2121 on one side of the partition 213, flows through the condenser 40, the compressor 20, and finally flows out from the airflow discharge port 2122 on the other side of the partition 213 to prevent the air from being discharged.
  • the gas re-enters the airflow suction port 2121, causing the gas to circulate in a small range near the box 10, reducing the heat dissipation efficiency.
  • An air guide assembly 320 is provided in the compressor cabin 400 .
  • the air guide assembly 320 is disposed on the side of the compressor compartment 400 where the condenser 40 is arranged, and is configured to form a cooling airflow channel for the air entering from the airflow suction port 2121 to flow through the condenser 40 and lead to the area where the compressor 20 is located.
  • the air guide assembly 320 is used to restrict the airflow direction of the cooling airflow entering the compressor chamber 400 to ensure that the airflow flows through the entire condenser 40 .
  • the air guide assembly 320 may be a special-shaped structure, which may be determined according to the shapes of the condenser 40 and the compressor 20 , for example, may be provided as a wind baffle 220 .
  • the cooling fan 50 is arranged between the condenser 40 and the compressor 20, and is configured to facilitate the formation of the cooling airflow channel after entering from the airflow suction port 2121 to exchange heat with the condenser 40, and then exhaust to the airflow through the compressor 20.
  • the cooling fan 50 can be an axial flow fan, whose axial direction is along the left and right lateral directions of the compressor chamber 400 , so that the airflow from the condenser 40 side flows to the compressor 20 side, forming an airflow channel from the condenser 40 to the compressor 20 .
  • the cooling fan 30 in the refrigerator is arranged on the inclined portion 111 of the inner container in the cooling chamber 100, and is configured to draw the return air into the cooling chamber 100, cool it by the evaporator 60, and promote the cooled Air flows towards the storage space.
  • the refrigerator of this embodiment further includes an air supply air duct for the storage space, and the air supply air duct for the storage space communicates with the air outlet end of the cooling fan 30 and is configured to deliver part of the airflow cooled by the evaporator 60 to the storage space,
  • the air supply air duct of the storage space is arranged on the inner side of the rear wall of the freezing inner tank, and has a plurality of air supply outlets that communicate with the storage space.
  • the front side of the cooling chamber 100 is formed with at least one front return air inlet that communicates with the storage space, so that the return air flow of the storage space enters the cooling chamber 100 through the at least one front return air inlet and is cooled by the evaporator 60, so as to be cooled during cooling.
  • Air circulation is formed between the chamber 100 and the storage space.
  • the evaporating dish 214 is disposed below the condenser 40 and is configured to receive the defrosting water of the refrigerator.
  • the evaporating dish 214 of the refrigerator is a substantially rectangular parallelepiped structure with an opening at the top, and has a bottom wall and four side walls extending upward from the bottom wall.
  • the refrigeration system of the refrigerator in this embodiment includes a throttling element (not shown in the figure), an evaporator 60 , a cooling fan 30 , a compressor 20 and a condenser connected to the compressor 20 . 40.
  • the evaporator 60 is disposed in the cooling chamber 100 and is configured to directly or indirectly provide cooling capacity into the storage space.
  • the refrigerator realizes the circulation of cooling air in the evaporator 60 and the storage space through the air duct system. Since the circulation structure and working principle of the refrigeration system itself are well known to those skilled in the art and are easy to implement, in order not to obscure and obscure the invention point of the present application, the refrigeration system itself will not be described in detail below.
  • the compressor cabin 400 is provided with a compressor 20 , a cooling fan 50 , a condenser 40 and a wind deflector 220 for installing the condenser 40 .
  • the press cabin 400 further includes a press cabin cover plate 230 , a bottom plate 210 , a back plate 240 and side plates 250 on both sides.
  • the compressor 20 and the condenser 40 are arranged at intervals along the lateral direction of the casing 10 in the compressor cabin 400 , and the compressor cabin 400 is provided with an airflow suction port 2121 in front of the condenser 40 that communicates with the outside of the casing 10 .
  • the cooling fan 50 When the cooling fan 50 is activated, the ambient airflow enters the compressor chamber 400 from the airflow suction port 2121 and passes through the condenser 40 to dissipate heat from the condenser 40 .
  • the condenser 40 is inclined upward from front to back along the depth direction of the box body 10, which can effectively utilize the air sucked in the airflow suction port 2121, so that the air can fully contact the condenser 40 and enhance the heat dissipation effect.
  • the wind deflector 220 is inclined upward from the rear side of the airflow suction port 2121 along the depth direction of the box body 10 from front to rear.
  • the inclination angle of the wind deflector 220 is consistent with the inclination angle of the inclined front cover 231 , and is set so that the top of the condenser 40 is spaced from the inclined front cover 231 by a set distance.
  • the inclined front cover 231 and the wind deflector 220 are arranged in parallel and spaced apart, and the inclination angle is the same.
  • the condenser 40 is fixed on the air baffle 220 , so that the air entering from the airflow suction port 2121 flows through the condenser 40 along the air baffle 220 to dissipate heat from the condenser 40 .
  • the evaporating dish 214 is disposed below the wind baffle 220 for receiving the condensed water generated by the evaporator 60 .
  • the wind deflector 220 is inclined relative to the evaporating dish 214, so that the condenser 40 fixed on the wind deflector 220 and the condensed water in the evaporating dish 214 can ensure a certain distance, so as to avoid long-term contact with the condensed water and cause the condenser 40 to be corroded and shortened. service life.
  • the evaporating dish 214 is disposed under the condenser 40 , and the heat generated by the condenser 40 can be used to evaporate the condensed water in the evaporating dish 214 , and at the same time, the condenser 40 can be cooled and dissipated.
  • the box 10 has a bottom plate 210 , and the bottom plate 210 includes a first plate portion 211 and a second plate portion 212 .
  • the first plate portion 211 serves as the bottom wall of the compressor cabin 400 ; the second plate portion 212 extends forward from the front end of the first plate portion 211 .
  • the first plate portion 211 is provided with an evaporating dish 214 for receiving the defrosted water from the cooling chamber 100 and a press support seat.
  • the condenser 40 is disposed above the evaporating dish 214, and the compressor 20 is installed on the compressor support base.
  • the second plate portion 212 is provided with an airflow intake port 2121 at the front portion of the evaporating dish 214, and the second plate portion 212 is provided with an airflow outlet port 2122 at the front portion of the press support base.
  • the airflow suction port 2121 and the airflow exhaust port 2122 can both be set in the shape of a grille, that is, communicate with the outside of the box 10 through the ventilation holes between the grilles, so as to prevent foreign objects (such as small animals, etc.) from passing through the airflow suction port 2121 or the airflow exhaustion.
  • the outlet 2122 enters the inside of the box 10 .
  • the condenser 40 is inclined upward from front to back along the depth direction of the box body 10, which can effectively utilize the air sucked in the airflow suction port 2121, so that the contact area between the air and the condenser 40 is increased, and the heat dissipation effect is enhanced.
  • the condenser 40 is in the shape of a flat cuboid as a whole, and is fixed on the windshield plate 220 , so that the air entering from the airflow suction port 2121 flows through the condenser 40 along the windshield plate 220 .
  • the thickness of the condenser 40 perpendicular to the direction of the wind deflector 220 is smaller than its length from front to back and its width along the lateral direction of the box 10 , that is, the condenser 40 is thinner in the thickness direction relative to the wind deflector 220 and expands in the length direction. , making full use of the plate surface space of the wind shield 220, so that the condenser 40 can be in contact with the air in a large area, and the heat dissipation effect is enhanced.
  • the low point of the front end of the condenser 40 can be set to be flush with the airflow suction port 2121 in the vertical direction, and the air entering from the airflow suction port 2121 can directly contact the condenser 40 to make the heat exchange more sufficient.
  • the condenser 40 may be a finned condenser, the fins of which are arranged in parallel along the depth direction of the box body 10, and the condenser tube of the finned condenser 40 includes a straight tube section that runs through the fins and is arranged on both sides of the fins for connecting the straight tube sections. the connecting pipe segment.
  • the fins are arranged in parallel along the depth direction and the condenser 40 is inclined along the depth direction of the box 10 as a whole.
  • the condenser 40 may also use a microchannel heat exchanger.
  • a plurality of fixing posts 221 are provided on the windward side of the windshield plate 220 .
  • the top of the fixing columns 221 forms a clamping slot 2211 , and the connecting pipe section is clamped in the clamping slot 2211 to fix the finned condenser 40 to the windshield plate 220 .
  • the condenser 40 is stably installed on the wind deflector 220 through the card slot 2211, the structure is simple, and due to the special design of the card slot 2211, the installation process is simple and convenient.
  • the air guide assembly 320 may also include first sealing strips (not shown in the figure), the first sealing strips are arranged on both sides of the condenser 40 and are in contact with the compressor compartment cover plate 230, so as to prevent the air entering from the airflow suction port 2121 from entering from the air inlet 2121. Both sides of the condenser 40 are diffused. That is to say, the air baffle 220 is provided with first sealing strips on both sides of the condenser 40 to prevent the air entering from the airflow suction port 2121 from escaping from both sides of the condenser 40 .
  • the first sealing strips can be arranged on both sides and the upper part of the condenser 40, so that the incoming air needs to pass through the condenser 40 completely before entering the space between the rear part of the condenser 40 and the back plate 240, so that the condenser 40 Heat dissipation is sufficient.
  • the refrigerator further includes a cooling fan 50 .
  • the cooling fan 50 is disposed between the condenser 40 and the compressor 20 , and is configured to promote the formation of a cooling airflow that flows from the airflow suction port 2121 through the condenser 40 and the compressor 20 in sequence and then is discharged to the airflow outlet 2122 .
  • the refrigerator further includes a fan holder (not shown in the figures).
  • the fan fixing frame is fixed in the compressor compartment 400 along the front and rear directions, and is located between the compressor 20 and the condenser 40 for fixing the cooling fan 50 .
  • the air enters the compressor chamber 400 from the airflow suction port 2121, is guided by the air baffle 220 and evenly contacts the condenser 40 to dissipate heat from the condenser 40, and then blows through the compressor 20 through the cooling fan 50, Part of the heat generated during the operation of the compressor 20 is taken away to increase the service life of the compressor 20 , and then it is blown out from the airflow outlet 2122 in front of the compressor 20 .
  • a partition 213 is provided on the bottom surface of the bottom plate 210 , and is arranged to isolate the airflow suction port 2121 and the airflow discharge port 2122 .
  • the external air enters the compressor chamber 400 through the airflow suction port 2121 located on one side of the partition member 213, flows through the condenser 40, the compressor 20, and finally exits from the airflow outlet located on the other side of the partition member 213.
  • 2122 flows out to prevent the exhausted gas from directly entering the airflow suction port 2121, and does not fully exchange heat with the ambient gas, causing the gas to circulate in a small area near the box 10, reducing the heat dissipation efficiency.
  • the partitions 213 may be elongated, and the width may be the distance between the bottom surface of the bottom plate 210 and the ground. There are intervals between the rear end of the condenser 40 and the back plate of the compressor compartment 400, and between the side of the condenser 40 close to the compressor 20 and the cooling fan 50, which can reduce the wind resistance of the cooling airflow.
  • the section of the back plate 240 facing the condenser 40 is a continuous plate surface, that is, the plate section of the back plate 240 facing the condenser 40 has no heat dissipation holes.
  • the applicant breaks through the conventional design idea, designs the plate section corresponding to the back plate 240 and the condenser 40 as a continuous plate surface, and seals the cooling airflow entering the compressor chamber 400 at the condenser 40, so that the The ambient air entering from the airflow suction port 2121 is more concentrated at the condenser 40, which ensures the heat exchange uniformity of each condensing section of the condenser 40, and is conducive to the formation of a better heat dissipation airflow path, which can also achieve better heat dissipation. heat radiation.
  • the plate section of the back plate 240 facing the condenser 40 is a continuous plate surface and does not have air inlet holes, it is avoided that both the outlet air and the inlet air are concentrated at the rear of the compressor chamber 400 in the conventional design and blow out from the compressor chamber 400 The generated hot air is not cooled by the ambient air in time and enters the compressor chamber 400 again, which adversely affects the heat exchange of the condenser 40 , thereby ensuring the heat exchange efficiency of the condenser 40 .
  • the compressor compartment 400 of the refrigerator in this embodiment is disposed behind the bottom of the box body 10 .
  • the compressor cabin 400 is provided with a compressor 20 , a cooling fan 50 , a wind baffle 220 and a condenser 40 .
  • the wind deflector 220 is inclined along the depth direction of the box body 10 , and the condenser 40 is fixed on the wind deflector 220 .
  • An air intake port 2121 is opened in front of the wind deflector 220 .
  • the heat generated by the operation is exhausted from the compressor chamber 400 via the airflow outlet 2122 .
  • the inclined arrangement of the air baffle 220 and the condenser 40 increases the contact area between the airflow and the condenser 40, so that the condenser 40 can fully dissipate heat, thereby optimizing the heat dissipation performance of the refrigerator and improving the heat dissipation structure.
  • the condenser 40 in this embodiment is in the shape of a flat cuboid as a whole, is installed horizontally in the compressor chamber 400 , and is horizontally spaced from the compressor 20 along the lateral direction of the casing 10 .
  • the cooling fins 216 of the condenser 40 may extend along the depth direction of the casing 10 .
  • the compressor chamber 400 is provided with an air intake 2121 in front of the condenser 40 and communicated with the outside of the casing 10 , so that the air sucked from the air intake flows along the gaps between the cooling fins 216 .
  • the cooling fins 216 of the condenser 40 extend along the depth direction of the box 10, so that the air flowing in from the airflow suction port 2121 directly enters the channel between the cooling fins 216 of the condenser 40, reducing the flow distance of the airflow and increasing the condensation The contact area between the radiator 40 and the cooling airflow.
  • the air guide assembly 320 is disposed on the outer periphery of the condenser 40 and is configured to guide the air sucked from the air intake port 2121 to pass through the condenser 40 into the air flow passage, so as to prevent the air from escaping from the outer periphery of the condenser 40 .
  • the air guide assembly 320 will cover all directions of the cooling fins 216 except for the airflow channel formed with the compressor 20. , the heat dissipation airflow is only directed to the airflow channel, so that the heat dissipation airflow is fully contacted with the condenser 40, and the heat dissipation performance is enhanced.
  • the air guide assembly 320 includes a top cover plate 321 , a first side baffle 322 and a second side baffle 323 .
  • the top cover plate 321 is disposed on the top of the condenser 40 and extends from the front of the condenser 40 to above the airflow channel.
  • the front end of the top cover plate 321 can keep a certain distance from the front end of the condenser 40, that is to say, the upper end of the condenser 40 can be partially exposed, and when the airflow enters the compressor chamber 400, it can also enter the condenser 40 from the exposed part of the upper end of the condenser 40. In the process, the heat exchange with the condenser 40 is completed, and the heat exchange effect of the condenser 40 is improved.
  • the first side baffle 322 is disposed on the side of the condenser 40 facing the compressor 20 , and includes a front end plate section 3221 and a top end plate section 3222 .
  • the front end plate section 3221 extends from the front end of the condenser 40 to the airflow suction port 2121 ;
  • the front end plate section 3221 is arranged to be flush with the front end of the airflow suction port 2121, which can sufficiently guide the inflowing air to the condenser 40 and prevent it from being scattered to the surrounding space.
  • the second side baffle 323 is disposed on the side of the condenser 40 away from the compressor 20 and extends from the rear end of the condenser 40 to the back plate 240 of the compressor compartment 400 to close the end of the airflow channel away from the compressor 20 .
  • the top cover plate 321 and the second side baffle 323 restrict the airflow channel between the back plate 240, the top cover plate 321 and the condenser 40, the airflow can fully exchange heat with the condenser 40, and then flow to the compressor 20 to take away the compressed air The heat generated by the operation of the machine 20 then flows out from the airflow outlet 2122 .
  • the air guide assembly 320 may further include: a second sealing strip.
  • the second sealing strip is disposed between the air guide assembly 320 , the compressor cabin cover 230 and the back plate 240 , and is used to seal the gap between the air guide assembly 320 , the compressor cabin cover 230 and the back plate 240 . That is to say, a second sealing strip is provided between the air guide assembly 320 and the bulkhead of the compressor compartment 400 for sealing the gap between the air guide assembly 320 and the compressor compartment 400 .
  • the gap between the air guide assembly 320 and the compressor compartment 400 is sealed by the second sealing strip, which can sufficiently restrict the air flow in the condenser 40 and the air flow channel, so as to avoid insufficient contact between the air and the condenser 40 or the air not in contact with the condenser 40 Instead, it flows directly to the compressor 20, thereby enhancing the heat exchange performance.
  • the evaporating dish 214 is disposed on the side of the compressor compartment 400 where the condenser 40 is located, and is configured to receive the defrosting water from the refrigerator.
  • the evaporating dish 214 is disposed below the condenser 40 , and a plurality of support columns extending upward may be disposed in the evaporating dish 214 , and the condenser 40 is fixedly connected to the supporting columns.
  • the heat generated in the condenser 40 can evaporate the defrosting water in the evaporating dish 214 , and the defrosting water can also play a role in cooling the condenser 40 and dissipating heat.
  • the support column separates the condenser 40 from the defrost water, so as to maintain a certain distance between the two, so as to avoid corrosion on the surface of the condenser 40 in contact with the defrost water for a long time.
  • the evaporating dish 214 of the refrigerator is a substantially rectangular parallelepiped structure with an opening at the top, and has a bottom wall and four side walls extending upward from the bottom wall.
  • the supporting side plates 217 are arranged at both ends of the condenser 40 and are arranged in parallel with the radiating fins 216 to support the condensing pipes passing through between the radiating fins 216. Flanging, so as to be fixedly connected to the support column by using the flanging.
  • the supporting side plate 217 can be a part of the condenser 40, which is fixed in parallel with the radiating fins 216.
  • the condenser 40 and the evaporating dish 214 can be stably installed together through the flanging of the supporting side plate 217.
  • the structure is simple and the installation process is easy. More concise and convenient.
  • the refrigerator compressor compartment 400 in this embodiment is disposed behind the bottom of the box body 10 .
  • the compressor cabin 400 is provided with a compressor 20 , a cooling fan 50 , a condenser 40 and an air guide assembly 320 .
  • the compressor 20 , the cooling fan 50 and the condenser 40 are arranged at intervals along the lateral direction of the casing 10 , and the cooling fan 50 is located between the compressor 20 and the condenser 40 .
  • An airflow intake port 2121 is arranged in front of the condenser 40
  • an airflow discharge port 2122 is arranged in front of the compressor 20 .
  • the air guide assembly 320 is disposed on the outer periphery of the condenser 40 , and the uppermost end can reach the cover plate 230 of the compressor cabin, the rearmost end can reach the back plate 240 of the compressor cabin 400 , and the forwardmost end can reach the airflow suction port 2121 .
  • the cooling fan 50 When the cooling fan 50 is started, the air enters the compressor chamber 400 through the airflow suction port 2121. At this time, the air is guided through the air guide assembly 320 and enters into the gap of the cooling fins 216 of the condenser 40 to fully exchange heat with the cooling fins 216.
  • the air assembly 320 functions to prevent the airflow from escaping from the outer periphery of the condenser 40 .
  • the air flows to the compressor 20 through the airflow channel formed by the air guide assembly 320 and the back plate 240 of the compressor cabin 400 .
  • the air flows through the compressor 20 , the heat generated during the operation of the compressor 20 will be taken away, and then discharged to the outside of the casing 10 through the air discharge port 2122 .
  • the condenser 40 is arranged in the compressor compartment 400 , and an airflow suction port 2121 is arranged in front of the condenser 40 which communicates with the outside of the box body 10 .
  • the air guide assembly 320 enables the air flowing in from the airflow suction port 2121 to fully exchange heat with the condenser 40, thereby improving the heat dissipation performance of the refrigerator and further optimizing the heat dissipation structure of the refrigerator.
  • the cooling fins of the condenser 40 extend along the depth direction of the box, so that the air sucked from the airflow suction port 2121 can pass through the condenser 40 directly along the gap between the cooling fins, and is fully connected to the cooling fins. Uniform heat exchange to improve the cooling performance of the refrigerator.
  • the condenser 40 is inclined upward along the depth direction of the box body 10 from front to back.
  • An air intake port is provided in front of the condenser 40 to increase the contact area between the air entering from the air intake port and the condenser 40, and to fully dissipate heat from the condenser 40, thereby enhancing the heat dissipation performance of the refrigerator.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Devices That Are Associated With Refrigeration Equipment (AREA)

Abstract

Réfrigérateur comprenant un canal de flux d'air de dissipation de chaleur formé dans une cabine de compresseur, comprenant : un système de réfrigération comprenant un compresseur, et un condenseur relié au compresseur ; un corps de réfrigérateur comprenant une cabine de compresseur à l'arrière de la partie inférieure du corps de réfrigérateur, le compresseur et le condenseur étant disposés à distance l'un de l'autre dans la cabine de compresseur dans la direction horizontale du corps de réfrigérateur, et un orifice d'aspiration de flux d'air communiquant avec l'extérieur du corps de réfrigérateur étant disposé sur la cabine de compresseur à l'avant du condenseur ; et un ensemble de guidage d'air, disposé sur le côté de la cabine de compresseur comprenant le condenseur, et conçu pour former un canal de flux d'air de dissipation de chaleur afin que l'air entrant depuis l'orifice d'aspiration de flux d'air circule à travers le condenseur et soit guidé vers la région où le compresseur se situe. Dans la présente solution, l'ensemble de guidage d'air permet à l'air entrant depuis l'orifice d'aspiration de flux d'air d'échanger suffisamment de chaleur avec le condenseur, ce qui permet d'améliorer les performances de dissipation de chaleur du réfrigérateur et d'optimiser la structure de dissipation de chaleur du réfrigérateur.
PCT/CN2021/123578 2020-08-18 2021-10-13 Réfrigérateur comprenant un canal de flux d'air de dissipation de chaleur formé dans une cabine de compresseur WO2022037717A1 (fr)

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CN202010833072.XA CN114076456A (zh) 2020-08-18 2020-08-18 压机舱内形成散热气流通道的冰箱

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CN1704706A (zh) * 2004-05-27 2005-12-07 乐金电子(天津)电器有限公司 冰箱机械室的冷却结构
CN202158706U (zh) * 2010-04-26 2012-03-07 株式会社东芝 冰箱
CN210220344U (zh) * 2019-02-26 2020-03-31 青岛海尔电冰箱有限公司 送风机呈竖向布置于蒸发器后方的冰箱
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114992964A (zh) * 2022-06-28 2022-09-02 Tcl家用电器（合肥）有限公司 散热结构和冰箱
CN114992964B (zh) * 2022-06-28 2024-04-02 Tcl家用电器（合肥）有限公司 散热结构和冰箱

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