WO2022000981A1 - Réfrigérateur - Google Patents

Réfrigérateur Download PDF

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Publication number
WO2022000981A1
WO2022000981A1 PCT/CN2020/132962 CN2020132962W WO2022000981A1 WO 2022000981 A1 WO2022000981 A1 WO 2022000981A1 CN 2020132962 W CN2020132962 W CN 2020132962W WO 2022000981 A1 WO2022000981 A1 WO 2022000981A1
Authority
WO
WIPO (PCT)
Prior art keywords
vacuuming
installation cavity
support
vacuum
mounting seat
Prior art date
Application number
PCT/CN2020/132962
Other languages
English (en)
Chinese (zh)
Inventor
王美艳
刘铁伟
杨保强
张建
Original Assignee
海信（山东）冰箱有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 海信（山东）冰箱有限公司 filed Critical 海信（山东）冰箱有限公司
Publication of WO2022000981A1 publication Critical patent/WO2022000981A1/fr

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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
    • 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
    • F25D11/00—Self-contained movable devices, e.g. domestic refrigerators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
    • F25D17/04—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
    • F25D17/04—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
    • F25D17/042—Air treating means within refrigerated spaces
    • 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
    • F25D23/006—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
    • F25D25/00—Charging, supporting, and discharging the articles to be cooled
    • 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
    • F25D25/00—Charging, supporting, and discharging the articles to be cooled
    • F25D25/005—Charging, supporting, and discharging the articles to be cooled using containers
    • 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
    • F25D29/00—Arrangement or mounting of control or safety devices
    • 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
    • F25D29/00—Arrangement or mounting of control or safety devices
    • F25D29/003—Arrangement or mounting of control or safety devices for movable devices
    • 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
    • F25D2317/04—Treating air flowing to refrigeration compartments
    • F25D2317/043—Treating air flowing to refrigeration compartments by creating a vacuum in a storage compartment

Definitions

  • the present disclosure relates to a household appliance, in particular to a refrigerator.
  • a refrigerator is an appliance that maintains a low temperature by keeping food or other items cold at a constant temperature to avoid spoilage.
  • people's demand for food preservation is also increasing.
  • vacuum preservation technology has been applied to the field of refrigerators.
  • the refrigerator forms a certain vacuum area by arranging a vacuum drawer in the box, and the refrigerator performs vacuum preservation of the food in the vacuum area.
  • the user due to the space limitation of the vacuum drawer, the user usually needs to put all the ingredients that need to be vacuum preserved into the vacuum drawer, and then perform the vacuuming operation, so that the vacuum drawer is in a relatively vacuum state. After that, when a certain ingredient in the vacuum drawer needs to be used, the vacuum drawer needs to be opened, which will destroy the vacuum state of the original vacuum drawer. If the vacuum preservation needs to be continued, the vacuum drawer needs to be vacuumed repeatedly and again, resulting in a waste of resources. Therefore, when the traditional refrigerator uses the vacuum drawer for vacuum preservation, the vacuum preservation efficiency is low, which is not conducive to the popularization and application of the vacuum preservation technology.
  • Some embodiments of the present disclosure provide a refrigerator, including:
  • a box body with a low-temperature storage space formed inside the box body is provided with an installation slot, and a sealing plate is arranged at the opening of the installation slot, the sealing plate is used to cover the installation slot, and the sealing plate is provided with a useful into the insertion opening of the packaging bag;
  • the vacuum packaging structure is installed in the installation groove.
  • the vacuum packaging structure includes a first support and a second support.
  • the first support and the second support can move relative to each other to form an evacuation chamber.
  • the port is communicated with the vacuuming chamber, and the packaging bag can enter the vacuuming chamber from the insertion port;
  • the vacuum packaging structure further includes a vacuuming assembly and a mounting seat, a plurality of limiting ribs are arranged on the mounting seat, and the limiting ribs are formed on the mounting seat to form a plurality of mounting cavities, and the vacuuming assembly is The limit is installed in the installation cavity.
  • FIG. 1 is a perspective view of a refrigerator according to some embodiments of the present disclosure
  • Fig. 2 is the exploded view of the door body of the refrigerator shown in Fig. 1;
  • Fig. 3 is the sectional view of the door body shown in Fig. 2;
  • FIG. 4 is a perspective view of the vacuum packaging structure shown in FIG. 2;
  • FIG. 5 is an exploded view of the vacuum packaging structure shown in FIG. 4;
  • Figure 6 is a perspective view of the mounting seat shown in Figure 5;
  • Figure 7 is a perspective view of the buffer sleeve shown in Figure 5;
  • FIG. 8 is a cross-sectional view of the vacuum packaging structure shown in FIG. 4;
  • Figure 9 is a perspective view of the five-way valve shown in Figure 5;
  • Figure 10 is a cross-sectional view of the five-way valve shown in Figure 9;
  • FIG. 11 is a schematic diagram of the gas circuit of the vacuum pump shown in FIG. 5 .
  • the present disclosure provides a refrigerator 1 .
  • the refrigerator can be a refrigerator with double doors, multiple doors, French doors, and cross doors.
  • the types of refrigerators are not limited here.
  • FIG. 1 is a perspective view of a refrigerator according to some embodiments of the present disclosure.
  • a low-temperature storage space is formed inside the box body 1 .
  • the refrigerator 1 includes a box body 2 .
  • the box body 2 is substantially rectangular parallelepiped.
  • the box body 2 includes a door body 22 and a storage room for storing food.
  • One side of the storage compartment is open.
  • the door body 22 is provided with an opening of the storage room, and can close the storage room.
  • the inside of the storage compartment forms a storage space of the refrigerator 1 .
  • the interior of the box body 2 can be divided into a plurality of independent functional spaces according to different use functions, which can include a refrigerating room, a freezing room, a quick-freezing room, a thawing room, and the like.
  • the refrigerator compartment is located above the box body 2
  • the freezer compartment is located below the box body 2 .
  • the distribution manner of each space on the box body 2 may also be other manners, which are not limited here.
  • a mutually independent door 22 may be provided between each functional space, so as to seal the functional space.
  • multiple functional spaces can also share one door body 22 to seal the multiple functional spaces at the same time.
  • the correspondence between the door body 22 and the functional space is also not limited here.
  • FIG. 2 is an exploded view of the door body of the refrigerator shown in FIG. 1 ;
  • FIG. 3 is a cross-sectional view of the door body shown in FIG. 2 .
  • the refrigerator 11 in the embodiment of the present disclosure further includes a vacuum packaging structure 3 disposed on the box body 2 .
  • the vacuum packaging structure 3 can be provided on the inner side wall or the outer side wall of the door body 22 of the box body 2 , and can also be provided on the inner side wall or the outer side wall of the storage room. In order to meet the usage habits of most users, the vacuum packaging structure 3 is arranged on the outer side wall of the door body 22 of the box body 2 .
  • a mounting groove 221 for mounting the vacuum packaging structure 3 is opened on the outer side wall of the door body 22 .
  • the vacuum packaging mechanism 3 is fixedly installed in the installation groove 221 by means of screws 9, expansion screws and the like.
  • the installation slot 221 is opened in the upper middle of the door body 22 , and the vacuum packaging structure 3 is located in the middle position of the refrigerator 1 . The user can directly face the vacuum packaging structure, and the operating height of the vacuum packaging structure 3 also meets the ergonomic design requirements.
  • the opening of the installation groove on the door body 22 is provided with a sealing plate 4 .
  • the cover plate 4 is used to cover the installation groove.
  • the sealing plate is provided with an insertion opening 222 for inserting the packaging bag.
  • the insertion port 222 is provided on the door body 22, which is convenient for users to use and operate.
  • the sealing board 4 may be a display control board.
  • the vacuum packaging structure 3 is electrically connected with the display control board.
  • the display control panel 4 can display the working state of the vacuum packaging structure 3 .
  • the working process of the vacuum packaging structure 3 can also be controlled by touching or pressing the display control panel 4 .
  • the vacuum packaging structure 3 includes a first support 31 , a second support 32 , a mounting base 33 , a vacuuming component 35 and a packaging component 38 .
  • the first support 31 and the second support 32 are the main frame structures of the vacuum packaging structure 3 .
  • the first support 31 and the second support 32 can move toward or away from each other to complete clamping and separating the packaging bag 80 .
  • the first support 31 and the second support 32 move toward each other to clamp the packaging bag 80 .
  • the first support 31 and the second support 32 can be separated from each other, so that the packaging bag 80 can be removed from the vacuum packaging structure 3 to complete the vacuum sealing package.
  • the movement relationship between the first support 31 and the second support 32 may be: the first support 31 moves toward or away from the second support 32; or, the second support 32 moves toward or away from the first support
  • the support 31 moves; alternatively, both the first support 31 and the second support 32 move toward or away from each other.
  • the vacuum packaging structure 3 further includes a driving device 34 .
  • the driving device 34 drives the assembly to drive the first support 31 and the second support 32 to move toward or away from each other.
  • the driving device 34 can control the automatic up-and-down movement of the first support 31 and/or the second support 32 to realize automatic vacuum packaging and improve the automation performance of the refrigerator 1.
  • the driving device 34 may also be omitted. Then the first support 31 or the second support 32 can be moved by manual driving, and the movement mode of the first support 31 or the second support 32 is not limited here.
  • the setting positions of the first support 31 and the second support 32 may be determined according to the user's usage habits, space division of the door body 22 of the refrigerator 1, and the like.
  • the first support 31 and the second support 32 may be disposed on the door body 22 in the upper and lower positions opposite to each other; or, the first support 31 and the second support 32 may also be oppositely disposed on the door body 22 on the left and right sides ; even, the first support 31 and the second support 32 can be obliquely arranged on the door body 22 .
  • the description of "up, down, left and right” here refers to the up, down, left, right and other orientations when the refrigerator 1 is facing the refrigerator when the refrigerator 1 is upright and vertically placed.
  • the first support 31 is disposed above the second support 32 .
  • the first support 31 moves downward relative to the second support 32 so that the first support 31 and the second support 32 are butted against each other.
  • the top and bottom of the first support 31 and the second support 32 are arranged opposite to each other, which can be more in line with the user's usage habits.
  • the first support 31 presses down the packaging bag 80 on the second support 32, which is convenient for the user to hold.
  • the left and right ends of the packaging bag 80 can prevent the ingredients in the packaging bag 80 from being overturned.
  • the first support 31 and the second support 32 can move relative to each other to form an evacuation cavity 36 .
  • the first support 31 is provided with a first cavity 311
  • the second support 32 is provided with a second cavity 322 .
  • the shapes of the first support 31 and the second support 32 are adapted. When the first support 31 and the second support 32 move toward each other and are butted against each other, the first cavity 311 and the second cavity 322 form a sealed vacuuming cavity 36 .
  • the insertion port 222 communicates with the vacuuming chamber 36 , and the packaging bag 80 can enter the vacuuming chamber 36 from the insertion port 222 . Then, the packaging bag 80 can directly enter the vacuum chamber 36 from the outside of the door body 22 . Then, the opening of the packaging bag 80 is located in the vacuuming chamber 36, and the inner space of the packaging bag 80 is communicated with the vacuuming chamber 36 through the opening to form a complete closed chamber.
  • the first cavity 311 or the second cavity 321 is provided with a stopper 314 for stopping the packaging bag 80 inserted into the vacuuming chamber 36 to prevent the opening of the packaging bag 80 from protruding out of the vacuuming chamber 36.
  • the stopper portion 314 is disposed in the first cavity 311 , and the height of the stopper portion 314 is greater than the depth of the first cavity 311 .
  • the stopper portion 314 can prevent the packaging bag from continuing to be inserted inward.
  • the vacuum chamber 36 can also be provided with a position detection device, specifically, a microwave sensor or an infrared sensor can be used to detect whether the packaging bag is inserted into the vacuum chamber 36, and send a signal whether the packaging bag is in position , control the vacuum operation.
  • a position detection device specifically, a microwave sensor or an infrared sensor can be used to detect whether the packaging bag is inserted into the vacuum chamber 36, and send a signal whether the packaging bag is in position , control the vacuum operation.
  • the vacuuming assembly 35 communicates with the vacuuming chamber 36 .
  • the evacuation assembly 35 is used to evacuate or depressurize the evacuation chamber.
  • the mounting seat 33 is used for carrying the vacuuming assembly 35 .
  • the vacuuming assembly 35 is fixedly installed in the installation groove 221 of the door body 22 through the installation seat 33 .
  • the edge position of the mounting seat 33 is provided with a connecting ear 330 , and the mounting seat 33 is connected to the door body 22 through the connecting ear 330 .
  • the connecting ears 330 may be in the form of a buckle, a slot, a screw hole, or the like.
  • the mounting seat 33 is mounted above the first support 31 . In other embodiments, according to the spatial layout of the door body 22 , the mounting seat 33 may also be installed below the first support.
  • the mounting seat 33 is mounted on the door body 22 , and its shape is adapted to the shape of the door body 22 .
  • the mounting seat 33 is a plate-like structure, and the mounting direction of the mounting seat 33 is parallel to the direction of the door body 22 . Then, one side of the mounting seat 33 parallel to the door body 22 is used for mounting the vacuuming assembly.
  • the mounting seat 33 is provided with a plurality of limiting ribs.
  • the mounting seat 33 may be an integrally injection-molded plate-like structure.
  • the limit ribs are also integrally injection-molded.
  • the structure of the mounting seat 33 is simple, the assembly of the vacuuming assembly can be completed without additional fixing parts, and the operation is convenient.
  • the limiting ribs surround the mounting seat 33 to form a plurality of mounting cavities, and the vacuuming assembly 35 is limitedly mounted in the mounting cavities.
  • the installation cavity can be designed into a corresponding shape structure according to the specific device to be assembled, and the installation cavity can meet the installation requirements of a variety of different equipment to be assembled.
  • the mounting cavity can be square, arc, etc.
  • the specific shape of the installation cavity is not limited here.
  • the vacuuming assembly 35 includes a vacuum pump 351 , a pressure detection device 352 and a pressure relief device 353 .
  • the vacuum pump 351 is used to evacuate the evacuation chamber 36 .
  • the pressure detection device 352 is used to detect the pressure in the vacuum chamber 36 .
  • the pressure relief device 353 is used to relieve the pressure of the vacuum chamber 36 .
  • FIG. 5 is an exploded view of the vacuum packaging structure shown in FIG. 4
  • FIG. 6 is a perspective view of the mounting base shown in FIG. 5
  • the mounting seat 33 is provided with a first limiting rib 331 .
  • the first limiting rib 331 defines a first installation cavity 3310 for accommodating the vacuum pump 351 .
  • the first installation cavity 331 is adapted to the vacuum pump 351 .
  • the vacuum pump 351 is substantially cylindrical, and the bottom of the first installation cavity 331 is an arc-shaped bottom that matches the vacuum pump 351 .
  • the bottom of the first installation cavity 331 is provided with a protruding column 3311 .
  • the protruding post 3311 is provided with a screw hole for screw connection.
  • the outside of the vacuum pump 351 may also be covered with a buffer sleeve 354 .
  • the buffer sleeve 354 can absorb the vibration potential energy of the vacuum pump 351 .
  • the buffer sleeve 354 is made of soft material.
  • the buffer sleeve 354 can be a rubber sleeve or a silicone rubber sleeve or the like.
  • An outer cover 355 is also provided outside the vacuum pump 351 .
  • the outer cover limits and fixes the vacuum pump 351 from the outside of the buffer sleeve 354 .
  • the outer cover 355 is a rigid element.
  • the buffer sleeve 354 vibrates with the vacuum pump 351 and is limited to the inside of the outer cover 355, and the outer cover 355 can play a role of damping vibration.
  • the shape of the outer cover 355 is adapted to the shape of the buffer sleeve 354 to complete covering the outer side of the buffer sleeve 354 .
  • the buffer sleeve 354 includes a cylindrical body 3541 for receiving the vacuum pump 351 .
  • Two sides of the cylinder body 3541 are provided with connecting arms 3542 for fixed connection.
  • Mounting holes are provided at corresponding positions of the outer cover 355 and the connecting arm 3542 .
  • the outer cover 355 , the buffer sleeve 354 and the vacuum pump 351 are fixedly installed in the first installation cavity 331 by the screws passing through the installation holes and the screw holes on the protruding post 3311 .
  • the connecting arm 3542 is provided with elastic bumps 3543 . Then the connection position between the outer cover 355 and the connecting arm 3542 is in contact with the elastic bumps.
  • the elastic bumps 3543 can reduce the contact area between the outer cover 355 and the buffer sleeve 354, which can buffer the vibration of the vacuum pump 351 and reduce the vibration transmission. .
  • the support ribs 3544 may support the outer cover 355 .
  • the support ribs 3544 form limit positions on both sides of the cylinder body 3541 , which limit the position of the vacuum pump 351 located in the cylinder body 3541 and ensure that the vacuum pump 351 can be stably accommodated in the cylinder body 3541 .
  • the pressure detection device 352 communicates with the vacuuming chamber 36 , and the pressure detecting device 352 is used to detect the pressure in the vacuuming chamber 36 .
  • the pressure detection device 352 may be a pressure sensor. Before the vacuuming operation is performed on the vacuuming chamber 36 , a threshold value of the pressure sensor may be set for the degree of vacuum in the vacuuming chamber 36 . When the vacuum pump 351 is turned on, the pressure in the vacuum pump 351 decreases. When the pressure value reaches the threshold value, the vacuum pump 351 stops working to ensure the vacuum pumping effect.
  • the mounting seat 33 is provided with a second limiting rib 332 .
  • the second limiting rib 332 encloses a second installation cavity 3320 for installing the pressure detection device 352 , and the second installation cavity 3320 is adapted to the pressure detection device 352 .
  • two sides of the second installation cavity 3320 are provided with hooks 3321 engaged with the pressure detection device 352 .
  • the second installation cavity 3320 is connected with the pressure detection device 352 by means of the hook 3321 to achieve a snap-fit connection, so as to ensure that the pressure detection device 352 can be stably accommodated in the second installation cavity 3320 .
  • the pressure relief device 353 communicates with the vacuum chamber 36 , and the pressure relief device 353 is used to relieve the pressure of the vacuum chamber 36 .
  • the pressure relief device 353 may be an electric pressure relief valve. After the vacuuming and packaging operations are completed, the vacuuming chamber 36 can be depressurized through the decompression device 353 to facilitate the user to take out the packaging bag.
  • the mounting seat 33 is provided with a third limiting rib 333 .
  • the third limiting rib 333 encloses a third installation cavity 3330 for installing the pressure relief device 353 , and the third installation cavity 3330 is adapted to the pressure relief device 353 .
  • a convex rib 3331 is provided in the third installation cavity 3330, and the convex rib 3331 is used to abut against the outer side surface of the pressure relief device 353, so that the pressure relief device 353 is clamped and limited.
  • the arrangement position of the protruding ribs 3331 is adapted to the concave structure on the outer surface of the pressure relief device 353 , so that the protruding ribs 3331 cooperate with the concave to realize clamping and limiting.
  • the vacuuming assembly 35 also includes an air circuit system.
  • the air circuit system can be formed by interconnecting air pipes, air valves and the like.
  • the air path can be realized by a conduit, an air flow channel, or a pipeline integrally formed on the mounting seat 33, or the like. Specifically, in this embodiment, the air path is described by taking an airway as an example, and the other descriptions are omitted.
  • the air circuit system includes the main air circuit 356 .
  • the main air passage 356 communicates with the vacuuming chamber 36 .
  • the main air passage 356 is led out from the vacuum chamber 36 of the first support 31 .
  • the mounting seat 33 is provided with a fourth limiting rib 334 .
  • the fourth limiting rib 334 encloses a fourth installation cavity 3340 for accommodating the main air passage 356 .
  • the fourth installation cavity 3340 is provided with an arc-shaped bending portion 3341 , and the main air passage 356 is bent along the bending portion 3341 .
  • the main air path 356 only needs to be embedded in the fourth installation cavity 3340 to realize the installation, and the operation is convenient.
  • bent portion 3341 of the fourth installation cavity 3340 can guide the extension of the main air passage 356 , so as to prevent the main air passage 356 from being excessively bent to produce dead bends, which affects the conduction effect of the main air passage 356 .
  • the fourth limiting rib 334 includes an upper limiting rib 3342 and a lower limiting rib 3343 .
  • the upper limit rib 3342 and the lower limit rib 3343 form a fourth installation cavity 3340 .
  • the main air passage 356 is located in the fourth installation cavity 3340 , and the fourth installation cavity 3340 has a certain movement space relative to the main air passage 356 .
  • the first support 31 reciprocates up and down, it will drive the main air path 356 to move to a certain extent.
  • the main air path 356 is limited by the lower limit ribs 3343 ; when the first support 31 moves upward, the main air path 356 is limited by the upper limit ribs 3343 . Therefore, the above-mentioned fixing method of the main air passage 356 can keep the main air passage 356 moving within a certain range, and ensure its conduction effect.
  • FIG. 9 is a perspective view of the five-way valve shown in FIG. 5 ;
  • FIG. 10 is a cross-sectional view of the five-way valve shown in FIG. 9 .
  • the vacuuming assembly 35 further includes a connection valve.
  • the connecting valve may be a five-way valve 37 .
  • the five-way valve 37 includes five ports, namely a first port 371 , a second port 372 , a third port 373 , a fourth port 374 and a fifth port 375 .
  • the first interface 371 , the second interface 372 , the third interface 373 , the fourth interface 374 and the fifth interface 375 are all connected.
  • a guide surface 376 is provided on the outer surface of each interface. The guide surface 376 facilitates the sealing connection between the port and the airway.
  • the main air passage 356 is connected to the first port 371 of the five-way valve 37 . Then, the other air passages of the vacuuming assembly are communicated with the main air passage 356 through the five-way valve 37 .
  • the five-way valve 37 realizes the communication of multiple air passages, which simplifies the air passage system of the vacuuming assembly.
  • the assembly between each gas path and the five-way valve 37 is convenient and easy to operate.
  • the five-way valve 37 may also be a combination of other connecting valves such as three-way, four-way, etc., or a combination of connecting valves, and the specific form of the connecting valve is not limited here.
  • the mounting base 33 is provided with a plurality of positioning ribs 336 .
  • the positioning ribs 336 enclose a positioning cavity 3360 for installing the five-way valve 37 .
  • the positioning rib 336 is provided with a clamping slot 3361 .
  • the five-way valve 37 can be fixed in the positioning cavity 3360 through the clamping groove 3361 .
  • the air passage communicating with the interface of the five-way valve 37 can be fixedly held by the clamping groove 3361, and the clamping groove 3361 can position the air passage. Therefore, the positioning ribs 336 can not only prevent the five-way valve 37 from falling off, but also can position the air passage.
  • a clamping groove 3361 may also be opened on the limiting rib.
  • the card slot 3361 can fix and position the incoming air path, which can ensure the stability of the position of the entire air path system.
  • the air circuit system includes an evacuation air circuit 3562 .
  • the vacuuming air passage 3562 communicates with the main air passage 356 through the second port 372 of the five-way valve 37 .
  • the air inlet of the vacuum pump 351 communicates with the main air passage 356 through the vacuuming air passage 3562 .
  • the vacuuming air passage 3562 is used to communicate with the vacuum pump 351 .
  • FIG. 9 is a perspective view of the five-way valve shown in FIG. 5
  • FIG. 10 is a cross-sectional view of the five-way valve shown in FIG. 9
  • the vacuuming assembly 35 is further provided with a one-way valve 357 .
  • the vacuum pump 351 communicates with the vacuuming chamber 36 .
  • One end of the one-way valve 357 is communicated with the air inlet of the vacuum pump 351 , and the other end is communicated with the vacuuming chamber 36 .
  • the vacuum pump 351 is evacuating, the one-way valve 357 is opened, and the air in the vacuuming chamber 36 can be evacuated, so that the vacuuming chamber 36 is in a negative pressure state.
  • the vacuum pump 351 stops working.
  • the packaging assembly 38 encapsulates the packaging bag 80 .
  • the vacuuming chamber 36 needs to maintain a negative pressure state.
  • the one-way valve 357 can prevent the air leakage from the vacuum pump 351 from entering the vacuum chamber 36 and destroy the negative pressure state of the vacuum chamber 36 . Therefore, the one-way valve 357 in the above refrigerator can reduce the leakage point of the air circuit system, keep the vacuum chamber 36 in a negative pressure state, and ensure the vacuum packaging effect of the packaging bag 80 .
  • the evacuation assembly 35 also includes a muffler 358 .
  • the air circuit system also includes a muffler air circuit 3563 .
  • the muffler air passage 3581 communicates with the air outlet of the vacuum pump 351 .
  • the muffler device 358 communicates with the muffler air passage 3563 .
  • the muffler 358 has a hollow structure.
  • the muffling device 358 includes two interfaces 3581 . One of the ports 3581 is connected to the outlet of the vacuum pump 351 .
  • the hollow structure 3582 of the muffler device 358 can change the size of the internal cross-section of the entire muffler device 358, so that the phase of the sound wave energy is canceled, so as to achieve the effect of reducing noise.
  • the gas circuit system further includes a pressure detection gas circuit 3564 .
  • the pressure detection air passage 3564 communicates with the main air passage 356 through the third port 373 of the five-way valve 37 .
  • the pressure detection device 352 communicates with the pressure detection air passage 3564 .
  • the pressure detection device 352 detects the pressure of the air circuit system in real time. When the pressure reaches the threshold value, the vacuum pump 351 stops the vacuuming operation of the vacuuming chamber 36 .
  • the air line system also includes a pressure relief air line 3565 .
  • the relief air passage 3565 communicates with the main air passage 356 through the fourth port 374 of the five-way valve 37 .
  • the pressure relief device 353 communicates with the relief air passage 3565 .
  • the pressure relief device 353 communicates with the main gas passage 356 through the pressure relief air passage 3565 . After working as a vacuum package, the decompression air circuit 3565 is used to decompress the vacuum chamber 36 .
  • the vacuuming assembly 35 further includes a tank pumping air circuit 3566 and a tank pumping joint 359 arranged on the tank pumping air circuit 3566 .
  • the extraction tank connector 359 is used for connecting and communicating with the packaging tank (not shown).
  • the can suction air circuit 3566 is communicated with the main air circuit 356 through the fifth interface 375 of the five-way valve 37, and the can suction air circuit 3566 is used for vacuuming the packaging can.
  • the can suction joint 359 is in a normally closed state.
  • the joint of the packaging can is butted with the can suction joint 359 , thereby opening the can suction joint 359 .
  • the tank extraction connector 359 is communicated with the packaging tank, and through the tank extraction air circuit 3566, the packaging in the form of a tank can be vacuum-sealed.
  • the canister connection 359 may be a one-way valve.
  • the above-mentioned vacuum packaging structure is not limited to vacuum packaging the packaging in the form of a packaging bag, but can also perform vacuum packaging for the packaging in the packaging can type.
  • the driving device 34 is used to drive the first support 31 to move toward the second support 32 .
  • there are two driving devices 34 and the two driving devices 34 are respectively disposed at both ends of the first support 31 , so the two driving devices 34 are respectively drivingly connected to the two ends of the first support 31 .
  • the two driving devices 34 can keep the first support 31 moving toward the second support 32 while maintaining a force balance.
  • the driving device 34 stops moving the driving device 34 applies a uniform pressure to the first support 31 , so that the vacuum chamber 36 between the first support 31 and the second support 32 is tightly sealed.
  • the drive device 34 is also mounted on the mount 33 .
  • the mounting seat 33 is provided with a fifth limiting rib 335 .
  • the fifth limiting rib 335 encloses a fifth installation cavity 3350 for installing the driving device 34 .
  • There are also two fifth installation cavities 3350 and the two fifth installation cavities 3350 are respectively disposed on two sides of the installation seat 33 .
  • the fifth installation cavity 3350 is adapted to the driving device 34 .
  • the drive device 34 includes an electric motor.
  • the driving device 34 needs to be fixedly installed in the fifth installation cavity 3350 by screws, so as to ensure that the driving device 34 can be set stably.
  • the packaging assembly 38 is used for sealing the sealing of the packaging bag after the vacuuming is completed.
  • the package assembly 38 is installed in the first support 31 .
  • the package assembly 38 is located on one side of the vacuum chamber 36 .
  • the packaging assembly 38 corresponds to the sealing position of the packaging bag.
  • the packaging bag 80 is evacuated and packaged by the vacuum packaging structure 3, so as to realize the independent and vacuum packaging of various food materials. Therefore, when a variety of ingredients are vacuum-preserved, they will not interact with each other, and there will be no mutual contamination between the ingredients. Moreover, when taking the ingredients, the packaging bags containing the corresponding ingredients can be taken out respectively. The destruction of the vacuum state of a certain packaging bag will not affect the vacuum state of other packaging bags. Bags containing other ingredients can be kept in a vacuum state without having to vacuum multiple times. Therefore, compared with the traditional refrigerator, the vacuum preservation space of the refrigerator of this embodiment is not limited to the space size of the vacuum drawer, which expands the vacuum preservation range of the refrigerator 1 and improves the vacuum preservation efficiency of the refrigerator 1 .
  • the mounting seat 33 is provided with a plurality of limiting ribs, and a plurality of mounting cavities for mounting the vacuum pumping components are formed.
  • the structure of the mounting seat 33 is simple, and the use of other fixing parts to fix the vacuuming assembly 35 is avoided.
  • only the corresponding vacuuming assembly 35 needs to be installed in the corresponding installation cavity, which is easy to operate and easy to implement.

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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)
  • Vacuum Packaging (AREA)
  • Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)

Abstract

La présente invention concerne un réfrigérateur, comprenant un corps de réfrigérateur et une structure d'emballage sous vide. Une rainure de montage est disposée sur le côté extérieur du corps de réfrigérateur ; une plaque d'étanchéité est disposée au niveau d'une ouverture de la rainure de montage, est utilisée pour sceller la rainure de montage et est pourvue d'un orifice d'insertion pour insérer un sac d'emballage. La structure d'emballage sous vide est montée dans des cavités de montage, et comprend une première base de support et une seconde base de support ; la première base de support et la seconde base de support peuvent se déplacer l'une par rapport à l'autre pour former une cavité de mise sous vide ; l'orifice d'insertion est en communication avec la cavité de mise sous vide, de telle sorte que le sac d'emballage peut entrer dans la cavité de mise sous vide à partir de l'orifice d'insertion. La structure d'emballage sous vide comprend en outre un ensemble de mise sous vide et une base de montage ; la base de montage est pourvue de multiples nervures de limitation ; les nervures de limitation entourent pour former de multiples cavités de montage sur la base de montage ; et l'ensemble de mise sous vide est limité dans les cavités de montage.
PCT/CN2020/132962 2020-07-01 2020-11-30 Réfrigérateur WO2022000981A1 (fr)

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CN204718229U (zh) * 2015-05-29 2015-10-21 广州美的华凌冰箱有限公司 冰箱及其风道面板
CN105222515A (zh) * 2015-10-27 2016-01-06 合肥华凌股份有限公司 冰箱主控板的安装盒及冰箱
CN106705559A (zh) * 2017-01-04 2017-05-24 合肥华凌股份有限公司 可调节抽屉和冰箱
CN210532794U (zh) * 2019-05-27 2020-05-15 海信（山东）冰箱有限公司 一种冰箱
CN210772962U (zh) * 2019-05-27 2020-06-16 海信（山东）冰箱有限公司 一种冰箱

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CN108791805B (zh) * 2018-06-22 2020-09-08 深圳市道通智能航空技术有限公司 无人飞行器及其机臂组件和转轴机构
CN210772967U (zh) * 2019-09-30 2020-06-16 海信（山东）冰箱有限公司 一种冰箱

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Publication number Priority date Publication date Assignee Title
CN204718229U (zh) * 2015-05-29 2015-10-21 广州美的华凌冰箱有限公司 冰箱及其风道面板
CN105222515A (zh) * 2015-10-27 2016-01-06 合肥华凌股份有限公司 冰箱主控板的安装盒及冰箱
CN106705559A (zh) * 2017-01-04 2017-05-24 合肥华凌股份有限公司 可调节抽屉和冰箱
CN210532794U (zh) * 2019-05-27 2020-05-15 海信（山东）冰箱有限公司 一种冰箱
CN210772962U (zh) * 2019-05-27 2020-06-16 海信（山东）冰箱有限公司 一种冰箱

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