WO2024022393A1 - 保鲜装置及具有该保鲜装置的冰箱 - Google Patents

保鲜装置及具有该保鲜装置的冰箱 Download PDF

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Publication number
WO2024022393A1
WO2024022393A1 PCT/CN2023/109375 CN2023109375W WO2024022393A1 WO 2024022393 A1 WO2024022393 A1 WO 2024022393A1 CN 2023109375 W CN2023109375 W CN 2023109375W WO 2024022393 A1 WO2024022393 A1 WO 2024022393A1
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WO
WIPO (PCT)
Prior art keywords
hole
fresh
cover
installation barrel
keeping device
Prior art date
Application number
PCT/CN2023/109375
Other languages
English (en)
French (fr)
Inventor
吕鹏
张�浩
Original Assignee
沈阳海尔电冰箱有限公司
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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Filing date
Publication date
Application filed by 沈阳海尔电冰箱有限公司, 青岛海尔电冰箱有限公司, 海尔智家股份有限公司 filed Critical 沈阳海尔电冰箱有限公司
Publication of WO2024022393A1 publication Critical patent/WO2024022393A1/zh

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Classifications

    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
    • A23L3/00—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs
    • A23L3/34—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs by treatment with chemicals
    • A23L3/3409—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs by treatment with chemicals in the form of gases, e.g. fumigation; Compositions or apparatus therefor
    • A23L3/3418—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs by treatment with chemicals in the form of gases, e.g. fumigation; Compositions or apparatus therefor in a controlled atmosphere, e.g. partial vacuum, comprising only CO2, N2, O2 or H2O
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
    • A23L3/00—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs
    • A23L3/36—Freezing; Subsequent thawing; Cooling
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
    • A23L3/00—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs
    • A23L3/36—Freezing; Subsequent thawing; Cooling
    • A23L3/363—Freezing; Subsequent thawing; Cooling the materials not being transported through or in the apparatus with or without shaping, e.g. in form of powder, granules, or flakes
    • 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
    • F25D17/045—Air flow control arrangements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D23/00—General constructional features
    • F25D23/12—Arrangements of compartments additional to cooling compartments; Combinations of refrigerators with other equipment, e.g. stove
    • 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
    • F25D29/005—Mounting of control 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 invention relates to the field of article storage, and in particular to a fresh-keeping device and a refrigerator having the fresh-keeping device.
  • Food mildew is mainly caused by microbial activity.
  • the survival of most molds and yeasts depends on oxygen and suitable temperature. By reducing oxygen content and lowering temperature, microbial activity can be reduced and food oxidation can be prevented.
  • a separate vacuum chamber or vacuum drawer is provided in the refrigerator to store food.
  • a separate vacuum chamber or vacuum drawer is large in size, which is not only difficult to sort and pick up food, but also difficult to clean. All things considered, a stable, reliable, easy-to-take-and-place fresh-keeping device and a refrigerator with the fresh-keeping device are needed in the design.
  • An object of the first aspect of the present invention is to overcome at least one technical defect in the prior art and provide a freshness preservation device.
  • a further object of the first aspect of the invention is to facilitate user operation.
  • a further object of the first aspect of the invention is to reduce production costs.
  • An object of the second aspect of the present invention is to provide a refrigerator with the freshness preservation device.
  • a fresh-keeping device which is characterized in that it includes:
  • a crisper box with a pressure relief hole at the bottom A crisper box with a pressure relief hole at the bottom;
  • the base is formed with an air extraction passage for discharging the gas in the crisper box, and the air extraction passage is connected to the pressure relief hole when the crisper box is arranged on the base; wherein, the Base includes:
  • a one-way valve is provided in the air extraction passage and is configured to allow gas to flow from the pressure relief hole to the air extraction passage and to prevent gas from flowing from the air extraction passage to the pressure relief hole.
  • the base also includes:
  • the main body is formed with an upwardly recessed accommodation space, and the bottom wall of the accommodation space is provided with a first through hole;
  • An installation barrel is provided in the accommodation space, the installation barrel has an upward opening for communicating with the first through hole; wherein,
  • the bottom wall of the installation barrel is provided with a second through hole, and the one-way valve is installed in the second through hole;
  • the air extraction passage includes a first through hole, an internal space of the installation barrel, and the second through hole.
  • a first limiting groove is formed on the bottom wall of the accommodation space.
  • the open end of the installation barrel is disposed in the first limiting groove to limit the movement of the installation barrel in its circumferential direction.
  • the one-way valve includes:
  • a connecting post is provided in the second through hole
  • a sealing portion configured to extend radially outward from the bottom of the connecting column and seal the second through hole
  • the clamping portion is configured to extend radially outward from the top of the connecting column and limit the downward movement of the one-way valve.
  • the mounting barrel is provided with an annular protrusion, the annular protrusion is provided at the periphery of the second through hole and bulges downward; and
  • the projection of the annular protrusion on the horizontal plane completely falls into the sealing part, and the projected area is smaller than the projected area of the sealing part on the horizontal plane, so that the sealing part can open the second through hole.
  • the base also includes:
  • a cover is provided in the accommodation space, and the installation barrel is provided in the cover;
  • the cover is provided with a third through hole for direct or indirect communication with the air pump.
  • the air extraction passage also includes an internal space of the cover and the third through hole.
  • the installation barrel is provided with at least one limiting rib, and the limiting rib is arranged to extend downward from the bottom wall of the installation barrel for limiting the one-way valve and the cover. spacing in the vertical direction.
  • the cover is configured to be fixedly connected to the main body;
  • the body and the cover are configured to dispose the mounting collet therebetween.
  • a first sealing ring is provided between the installation barrel and the main body;
  • a second sealing ring is provided between the cover and the main body.
  • a refrigerator which is characterized in that it includes:
  • the box is defined with at least one storage compartment
  • At least one door used to open and close the at least one storage compartment
  • the fresh-keeping device according to any one of the above is provided on one of the door bodies.
  • the present invention sets an air extraction passage for discharging the gas in the crisper box at the base below the crisper box, and sets a one-way valve on the air extraction passage to limit the gas flow direction, which not only can
  • the crisper box is set on the base, the crisper box is stably and reliably maintained in a negative pressure state, and when the user removes the crisper box, the crisper box can be restored to atmospheric pressure, making it convenient for the user to open the crisper box and easy to operate.
  • the one-way valve of the present invention includes a connecting column, a sealing part and a clamping part, and the installation barrel is provided with an annular protrusion and a limiting rib, which not only facilitates the sealing part to open the second through hole when the air pump is working , and can avoid interference between the sealing part and the cover, reduce air extraction resistance, improve air extraction efficiency and reduce energy loss.
  • the present invention sets the cover to be fixedly connected to the main body, and clamps and fixes the installation barrel for installing the one-way valve between the main body and the cover through the main body and the cover, without any fasteners and snaps.
  • the structure can fix the installation tube, the structure is simple and reliable, and the assembly efficiency is improved. The production cost is reduced, and the one-way valve can be prevented from being lost due to accidental contact.
  • Figure 1 is a schematic front view of a refrigerator according to an embodiment of the present invention, in which one door body is removed to show a storage compartment, and the outer casing of one door body is removed to show a fresh-keeping device;
  • Figure 2 is a schematic isometric view of the fresh-keeping device in Figure 1;
  • Figure 3 is a schematic cross-sectional view of the fresh-keeping device shown in Figure 2;
  • Figure 4 is a schematic partial enlarged view of area A in Figure 3, showing the air extraction passage
  • Figure 5 is a schematic exploded view of the base of Figure 2 viewed from bottom to top;
  • FIG. 6 is a schematic isometric view of the mounting barrel in FIG. 5 .
  • FIG. 1 is a schematic front view of a refrigerator 100 according to an embodiment of the present invention, in which one door body 120 is removed to illustrate the storage compartment 111 , and the shell of one door body 120 is removed to illustrate the freshness preservation device 200 .
  • the refrigerator 100 may include a box 110 defining at least one storage compartment 111 , at least one door 120 for opening and closing the at least one storage compartment 111 , and a freshness preservation device provided on one door 120 200.
  • at least one is one, two or more than two.
  • the number of storage compartments 111 is two and they are distributed in the vertical direction. Each storage compartment 111 is opened and closed by two oppositely arranged doors 120 .
  • the door body 120 may include an outer shell, an inner bladder defining a storage space, and an insulation layer 121 disposed between the outer shell and the inner bladder.
  • the storage space of the door 120 is connected with the storage compartment 111 of the box 110 to obtain cooling capacity.
  • the fresh-keeping device 200 can be disposed in the storage space of the door body 120 .
  • FIGS. 2 to 4 the fresh-keeping device 200 may include a base 400 and a fresh-keeping box 300 disposed above the base 400 .
  • the crisper box 300 may include a box body 310 and a box cover 320 disposed on the top of the box body 310 .
  • the top of the box body 310 can be provided with a access opening, and the box cover 320 is used to open the access opening.
  • a pressure relief hole 313 may be provided at the bottom of the crisper box 300 for discharging gas in the crisper box 300 .
  • the box body 310 may include an outer box 311 and an inner box 312 disposed inside the outer box 311 .
  • the pressure relief hole 313 can be opened at the bottom of the outer box 311. There may be a gap between the outer box 311 and the inner box 312 to allow gas flow.
  • the base 400 may be formed with an air extraction passage for discharging the gas in the fresh-keeping box 300 for direct or indirect communication with the air extraction pump 451 .
  • the air extraction passage can be connected to the pressure relief hole 313 when the crisper box 300 is placed on the base 400, so that when the user removes the crisper box 300, the crisper box 300 can be restored to atmospheric pressure, thereby making it easier for the user to open the crisper box 300.
  • Base 400 may include a body 410 .
  • the main body 410 may be formed with a downwardly depressed groove 411 .
  • the bottom of the crisper box 300 can be disposed in the groove 411 to facilitate the installation of the crisper box 300 .
  • the number of crisper boxes 300 and grooves 411 may be the same or multiple.
  • the main body 410 may be formed with an upwardly recessed accommodation space 412 to accommodate a structure forming an air extraction passage.
  • the accommodating space 412 is provided below the groove 411.
  • the bottom wall of the accommodation space 412 may be provided with a first through hole 413 for communicating with the pressure relief hole 313 to discharge the gas in the crisper box 300 .
  • the number of the first through holes 413 may be multiple, respectively connecting the accommodation space 412 and the plurality of grooves 411 to form a negative pressure in each fresh-keeping box 300 provided on the base 400 .
  • base 400 may include a one-way valve 430.
  • the one-way valve 430 can be disposed in the air extraction passage, and is configured to allow gas to flow from the pressure relief hole 313 to the air extraction passage, and to prevent gas from flowing from the air extraction passage to the pressure relief hole 313, so that the crisper box 300 is placed on the base 400 At this time, the crisper box 300 is kept in a negative pressure state stably and reliably.
  • FIG. 5 is a schematic exploded view of the base 400 in FIG. 2 viewed from bottom to top;
  • FIG. 6 is a schematic isometric view of the mounting barrel 420 in FIG. 5 .
  • the base 400 may further include a mounting barrel 420 disposed in the accommodation space 412 .
  • the mounting barrel 420 may have an upward opening for communicating with the first through hole 413 .
  • the bottom wall of the mounting barrel 420 may be provided with a second through hole 421 .
  • the one-way valve 430 can be installed in the second through hole 421 to define the gas flow direction and facilitate assembly.
  • the air extraction passage may include a first through hole 413, an inner space of the installation barrel 420, and a second through hole 421.
  • the bottom wall of the accommodation space 412 may be formed with a first limiting groove.
  • the open end of the mounting barrel 420 may be disposed in the first limiting groove to limit the movement of the mounting barrel 420 in its circumferential direction.
  • the bottom wall of the accommodation space 412 may be provided with first ribs 414 and second ribs 415 extending downward.
  • the first rib 414 and the second rib 415 may both be annular, and the first limiting groove may be surrounded by the first rib 414 and the second rib 415 .
  • a first sealing ring 471 can be provided between the installation barrel 420 and the main body 410 to improve the airtightness of the air extraction passage.
  • the first sealing ring 471 can be disposed in the first groove 411.
  • the one-way valve 430 may include a connecting post 431, a sealing portion 432, and a clamping portion 433.
  • the connecting post 431 can be disposed in the second through hole 421 .
  • the sealing portion 432 may be configured to extend radially outward from the bottom of the connecting post 431 and close the second through hole 421 .
  • the clamping portion 433 may be configured to extend radially outward from the top of the connecting column 431 and limit the downward movement of the one-way valve 430 .
  • the number of clamping parts 433 may be multiple, and they may be evenly distributed in the circumferential direction of the connecting column 431 .
  • the mounting barrel 420 may be provided with an annular protrusion 422 .
  • the annular protrusion 422 may be disposed at the periphery of the second through hole 421 and bulge downward.
  • the projection of the annular protrusion 422 on the horizontal plane completely falls into the sealing part 432 , and the projected area on the horizontal plane is smaller than the projected area of the sealing part 432 on the horizontal plane, so that the sealing part 432 can open the second through hole 421 .
  • the base 400 may further include a cover 440 disposed in the receiving space 412 .
  • the installation barrel 420 can be disposed inside the cover 440 .
  • the cover 440 may be provided with a third through hole 444 for direct or indirect communication with the air pump 451 .
  • the air extraction passage also includes the inner space of the cover 440 and the third through hole 444 .
  • the mounting barrel 420 may be provided with at least one limiting rib 423 .
  • the limiting rib 423 can be configured to extend downward from the bottom wall of the installation barrel 420 to limit the single The distance between the valve 430 and the cover 440 in the vertical direction is adjusted to avoid interference between the sealing portion 432 and the cover 440 and reduce the air extraction resistance.
  • the cover 440 may be configured to be fixedly connected to the main body 410 .
  • the main body 410 and the cover 440 can be configured to sandwich the installation barrel 420 between the main body 410 and the cover 440.
  • the installation barrel 420 can be fixed without any fasteners and clamping structures. The structure is simple and reliable, and the assembly efficiency is improved.
  • the cover 440 may include a bottom plate 441, an inner ring rib 442 extending upward from the bottom plate 441, and an outer ring rib 443.
  • the outer ring rib 443 is arranged around the inner ring rib 442.
  • the bottom wall of the accommodation space 412 may be formed with a second limiting groove.
  • the upper end of the inner ring rib 442 can be disposed in the second limiting groove to facilitate the installation and positioning of the cover 440 .
  • the bottom wall of the accommodation space 412 may also be provided with a third rib 416 extending downward.
  • the third rib 416 may be annular, and the second limiting groove may be surrounded by the second rib 415 and the third rib 416 .
  • a second sealing ring 472 can be provided between the cover 440 and the main body 410 to improve the airtightness of the air extraction passage.
  • the second sealing ring 472 can be disposed in the second groove 411.
  • the mounting barrel 420 may be disposed in the inner ring rib 442 .
  • the bottom wall of the accommodation space 412 may be provided with a plurality of mounting posts 417 extending downward.
  • a plurality of mounting holes may be provided between the inner ring rib plate 442 and the outer ring rib plate 443 , and the cover 440 may be configured to be tightly connected to the main body 410 through the mounting holes and the mounting posts 417 .
  • the outer contour of the projection of the inner ring rib 442 on the horizontal plane can be circular to improve the air extraction efficiency.
  • the outer contour of the projection of the outer ring rib 443 on the horizontal plane may be square.
  • the number of mounting holes of each cover 440 may be four, which are respectively provided corresponding to the four corners of the outer ring to facilitate the installation and positioning of the cover 440 .
  • the base 400 may also include an air pump 451, which is connected to the air pump 451 and is used to extract air from the fresh-keeping box 300. That is, the air pump 451 can be installed in the accommodation space 412 to improve assembly efficiency and reduce modifications to the original structure of the refrigerator 100.
  • the number of air pumps 451 may be one.
  • the number of mounting barrels 420 and covers 440 is the same as the number of grooves 411 of the main body 410 .
  • a gravity switch 460 may be provided at each first through hole 413 .
  • the gravity switch 460 can be configured to move downward to open the first through hole 413 under the gravity of the crisper box 300 when the crisper box 300 is placed on the base 400, and to move upward to close the first through hole 413 when the user removes the crisper box 300. , so that the air extraction pump 451 is only connected to the first through hole 413 located below the crisper box 300, thereby improving the air extraction efficiency.
  • a third sealing ring 473 can be disposed in each groove 411 to improve the airtightness between each crisper box 300 and the first through hole 413 .
  • the base 400 may also include an air pump 452, a silencer 453, a deaeration module 454, and a hose 455.
  • the air pump 452 can be configured to be started after the air pump 451 completes its work, so as to cause the gas to flow from the third through hole 444 to the one-way valve 430, thereby prompting the sealing part 432 to reset.
  • the muffler 453 can be configured to communicate with the exhaust port of the air suction pump 451 to reduce the operating noise of the air suction pump 451 .
  • the deoxygenation module 454 can be arranged in series between the third through hole 444 and the air extraction port of the air extraction pump 451 so that the air extraction pump 451 only extracts oxygen in the crisper box 300 .
  • the hose 455 can be configured to connect the third through hole 444 and the deaeration module 454 , the deoxygenation module 454 and the air pump 451 , the air pump 451 and the muffler 453 , and the air pump 452 and the third through hole 444 .
  • the groove 411 of the body 410 may also be provided with a pressure switch 465.
  • the pressure switch 465 may be configured to sense pressure and trigger the air extraction pump 451 when the crisper box 300 is placed on the base 400 .

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
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  • Combustion & Propulsion (AREA)
  • Health & Medical Sciences (AREA)
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  • Life Sciences & Earth Sciences (AREA)
  • Food Science & Technology (AREA)
  • Polymers & Plastics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)

Abstract

本发明提供了一种保鲜装置及具有该保鲜装置的冰箱。保鲜装置包括保鲜盒和底座。保鲜盒底部开设有泄压孔。底座形成有用于排出保鲜盒内的气体的抽气通路。底座包括单向阀，单向阀设置于抽气通路。本发明可使保鲜盒稳定可靠地保持在负压状态，而且可在用户取下保鲜盒时使保鲜盒恢复至大气压，便于用户打开保鲜盒。

Description

保鲜装置及具有该保鲜装置的冰箱 技术领域
本发明涉及物品储存领域，特别是涉及一种保鲜装置及具有该保鲜装置的冰箱。
背景技术
食品霉变主要是由微生物活动造成的，大多数霉菌和酵母菌的生存依赖氧气和适宜的温度，通过减少氧气含量和降低温度可以降低微生物活性、防止食品氧化。
现有技术在冰箱中设置单独的真空间室、或真空抽屉，来储存食品。然而，单独的真空间室、或真空抽屉体积较大，不仅不易于食物分类、取放，而且不利于清洁。综合考虑，在设计上需要一种稳定可靠、便于取放操作的保鲜装置及具有该保鲜装置的冰箱。
发明内容
本发明第一方面的一个目的是要克服现有技术中的至少一个技术缺陷，提供一种保鲜装置。
本发明第一方面的一个进一步的目的是要便于用户操作。
本发明第一方面的另一个进一步的目的是要降低生产成本。
本发明第二方面的一个目的是要提供一种具有该保鲜装置的冰箱。
根据本发明的第一方面，提供了一种保鲜装置，其特征在于，包括：
保鲜盒，底部开设有泄压孔；和
底座，形成有用于排出所述保鲜盒内的气体的抽气通路，所述抽气通路在所述保鲜盒设置于所述底座上时与所述泄压孔连通；其中，所述 底座包括：
单向阀，设置于所述抽气通路，并设置为允许气体由所述泄压孔向所述抽气通路流动、阻止气体由所述抽气通路向所述泄压孔流动。
可选地，所述底座还包括：
主体，形成有向上凹陷的容置空间，所述容置空间的底壁开设有第一通孔；以及
安装筒，设置于所述容置空间，所述安装筒具有向上开口，用于与所述第一通孔连通；其中，
所述安装筒的底壁开设有第二通孔，所述单向阀安装于所述第二通孔；且
所述抽气通路包括第一通孔、所述安装筒的内部空间、和所述第二通孔。
可选地，所述容置空间的底壁形成有第一限位槽；且
所述安装筒的开口端部设置于所述第一限位槽，以限定所述安装筒在其周向方向上的运动。
可选地，所述单向阀包括：
连接柱，设置于所述第二通孔内；
密封部，设置为自所述连接柱的底部径向向外延伸，并封闭所述第二通孔；以及
卡固部，设置为自所述连接柱的顶部径向向外延伸，并限定所述单向阀向下的运动。
可选地，所述安装筒设置有环形凸起，所述环形凸起设置于所述第二通孔的周缘处并向下隆起；且
所述环形凸起在水平面上的投影完全落入所述密封部，且投影面积小于所述密封部在水平面上的投影面积，以便于所述密封部打开所述第二通孔。
可选地，所述底座还包括：
罩盖，设置于所述容置空间，且所述安装筒设置于所述罩盖内；其中，
所述罩盖开设有第三通孔，用于与抽气泵直接或间接地连通；且
所述抽气通路还包括所述罩盖的内部空间和所述第三通孔。
可选地，所述安装筒设置有至少一个限位肋板，所述限位肋板设置为自所述安装筒的底壁向下延伸，用于限定所述单向阀与所述罩盖在竖直方向上的间距。
可选地，所述罩盖设置为与所述主体固定连接；且
所述主体和所述罩盖设置为将所述安装筒夹置于其间。
可选地，所述安装筒与所述主体之间设置有第一密封圈；和/或
所述罩盖与所述主体之间设置有第二密封圈。
根据本发明的第二方面，提供了一种冰箱，其特征在于，包括：
箱体，限定有至少一个储物间室；
至少一个门体，用于开闭所述至少一个储物间室；以及
根据以上任一所述的保鲜装置，设置于一个所述门体。
本发明通过在保鲜盒的底部设置泄压孔，将用于排出保鲜盒内气体的抽气通路设置在保鲜盒下方的底座，并在抽气通路上设置限定气体流向的单向阀，不仅可在保鲜盒设置在底座上时使保鲜盒稳定可靠地保持在负压状态，而且可在用户取下保鲜盒时使保鲜盒恢复至大气压，进而便于用户打开保鲜盒，操作方便。
进一步地，本发明的单向阀包括连接柱、密封部和卡固部，安装筒设置有环形凸起和限位肋板，不仅有利于密封部在抽气泵工作的情况下打开第二通孔，而且可避免密封部与罩盖发生干涉，降低抽气阻力，提高抽气效率并降低能源损耗。
进一步地，本发明将罩盖设置为与主体固定连接，并通过主体和罩盖将用于安装单向阀的安装筒夹置固定在主体和罩盖之间，无需任何紧固件和卡接结构便能够固定安装筒，结构简单可靠，提高了装配效率， 降低了生产成本，而且可防止单向阀因误触脱离丢失。
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示意性正视图，其中一个门体被去除以示出储物间室、一个门体的外壳被去除以示出保鲜装置；
图2是图1中保鲜装置的示意性轴测图；
图3是图2所示保鲜装置的示意性剖视图；
图4是图3中区域A的示意性局部放大视图，其中示出了抽气通路；
图5是从下向上观察图2中底座的示意性爆炸视图；
图6是图5中安装筒的示意性轴测图。
具体实施方式
图1是根据本发明一个实施例的冰箱100的示意性正视图，其中一个门体120被去除以示出储物间室111、一个门体120的外壳被去除以示出保鲜装置200。参见图1，冰箱100可包括限定有至少一个储物间室111的箱体110、用于开闭至少一个储物间室111的至少一个门体120、以及设置于一个门体120的保鲜装置200。在本发明中，至少一个为一个、两个或两个以上的更多个。
在图1所示实施例中，储物间室111的数量为两个且沿竖直方向分布，每个储物间室111由两个相对设置的门体120开闭。
门体120可包括外壳、限定有储物空间的内胆、以及设置于外壳和内胆之间的保温层121。门体120的储物空间与箱体110的储物间室111连通，以获得冷量。保鲜装置200可设置于门体120的储物空间内。
图2是图1中保鲜装置200的示意性轴测图；图3是图2所示保鲜装置200的示意性剖视图；图4是图3中区域A的示意性局部放大视图，其中示出了抽气通路。参见图2至图4，保鲜装置200可包括底座400和设置于底座400上方的保鲜盒300。
保鲜盒300可包括盒体310和设置于盒体310的顶部的盒盖320。盒体310的顶部可开设有取放口，盒盖320用于打开取放口。
保鲜盒300的底部可开设有泄压孔313，用于排出保鲜盒300内的气体。
在一些实施例中，盒体310可包括外盒311和设置于外盒311内的内盒312。泄压孔313可开设于外盒311的底部。外盒311和内盒312可留有间隙，以允许气体流动。
底座400可形成有用于排出保鲜盒300内的气体的抽气通路，用于与抽气泵451直接或间接地连通。抽气通路可在保鲜盒300设置于底座400上时与泄压孔313连通，以在用户取下保鲜盒300时使保鲜盒300恢复至大气压，进而便于用户打开保鲜盒300。
底座400可包括主体410。主体410可形成有向下凹陷的凹槽411。保鲜盒300的底部可设置于凹槽411内，以便于保鲜盒300的安装。在图1至图4所示实施例中，保鲜盒300与凹槽411的数量可相同并为多个。
主体410可形成有向上凹陷的容置空间412，以容置形成抽气通路的结构。容置空间412设置于凹槽411的下方。
容置空间412的底壁可开设有第一通孔413，用于与泄压孔313连通，以排出保鲜盒300内的气体。
第一通孔413的数量可为多个，分别连通容置空间412与多个凹槽411，以在设置于底座400上的每一个保鲜盒300内形成负压。
在一些实施例中，底座400可包括单向阀430。单向阀430可设置于抽气通路，并设置为允许气体由泄压孔313向抽气通路流动、阻止气体由抽气通路向泄压孔313流动，以在保鲜盒300设置在底座400上时使保鲜盒300稳定可靠地保持在负压状态。
图5是从下向上观察图2中底座400的示意性爆炸视图；图6是图5中安装筒420的示意性轴测图。参见图2至图6，在一些实施例中，底座400还可包括设置于容置空间412的安装筒420。安装筒420可具有向上开口，用于与第一通孔413连通。
安装筒420的底壁可开设有第二通孔421。单向阀430可安装于第二通孔421，以限定气体流动方向并便于装配。抽气通路可包括第一通孔413、安装筒420的内部空间、和第二通孔421。
容置空间412的底壁可形成有第一限位槽。安装筒420的开口端部可设置于第一限位槽，以限定安装筒420在其周向方向上的运动。
在图4实施例中，容置空间412的底壁可设置有向下延伸的第一肋条414和第二肋条415。第一肋条414和第二肋条415可均呈环形，第一限位槽可由第一肋条414和第二肋条415围成。
安装筒420与主体410之间可设置有第一密封圈471，以提高抽气通路的气密性。第一密封圈471可设置于第一凹槽411内。
在一些实施例中，单向阀430可包括连接柱431、密封部432、以及卡固部433。连接柱431可设置于第二通孔421内。
密封部432可设置为自连接柱431的底部径向向外延伸，并封闭第二通孔421。
卡固部433可设置为自连接柱431的顶部径向向外延伸，并限定单向阀430向下的运动。卡固部433的数量可为多个，且在连接柱431的周向方向上均匀分布。
当抽气泵451工作，在第二通孔421的下方产生负压，密封部432被吸起一角，以使空气流过。
在一些进一步的实施例中，安装筒420可设置有环形凸起422。环形凸起422可设置于第二通孔421的周缘处并向下隆起。
环形凸起422在水平面上的投影完全落入密封部432，且在水平面上的投影面积小于密封部432在水平面上的投影面积，以便于密封部432打开第二通孔421。
在一些实施例中，底座400还可包括设置于容置空间412的罩盖440。安装筒420可设置于罩盖440内。
罩盖440可开设有第三通孔444，用于与抽气泵451直接或间接地连通。抽气通路还包括罩盖440的内部空间和第三通孔444。
在一些进一步的实施例中，安装筒420可设置有至少一个限位肋板423。限位肋板423可设置为自安装筒420的底壁向下延伸，用于限定单 向阀430与罩盖440在竖直方向上的间距，以避免密封部432与罩盖440发生干涉，降低抽气阻力。
罩盖440可设置为与主体410固定连接。主体410和罩盖440可设置为将安装筒420夹置于主体410和罩盖440之间，无需任何紧固件和卡接结构便能够固定安装筒420，结构简单可靠，提高了装配效率。
罩盖440可包括底板441、自底板441向上延伸的内圈肋板442和外圈肋板443，外圈肋板443环绕内圈肋板442设置。
容置空间412的底壁可形成有第二限位槽。内圈肋板442的上侧端部可设置于第二限位槽，以便于罩盖440的安装定位。
容置空间412的底壁还可设置有向下延伸的第三肋条416。第三肋条416可呈环形，第二限位槽可由第二肋条415和第三肋条416围成。
罩盖440与主体410之间可设置有第二密封圈472，以提高抽气通路的气密性。第二密封圈472可设置于第二凹槽411内。安装筒420可设置于内圈肋板442中。
容置空间412的底壁可设置有多个向下延伸的安装柱417。内圈肋板442和外圈肋板443之间可设置有多个安装孔，罩盖440可设置为通过安装孔和安装柱417与主体410紧固连接。
内圈肋板442在水平面上的投影的外轮廓可呈圆形，以提高抽气效率。
在图5所示实施例中，外圈肋板443在水平面上的投影的外轮廓可呈方形。每个罩盖440的安装孔的数量可为四个，分别对应外圈的四个拐角设置，以便于罩盖440的安装定位。
在一些实施例中，底座400还可包括抽气泵451，用于与抽气通路连通，抽取保鲜盒300内的空气。即，抽气泵451可设置于容置空间412内，以提高装配效率，减少对冰箱100原结构的修改。
在图5所示实施例中，抽气泵451的数量可为一个。安装筒420和罩盖440的数量均与主体410的凹槽411的数量相同。
在一些进一步的实施例中，每个第一通孔413处可设置有重力开关460。重力开关460可设置为在保鲜盒300设置于底座400上时在保鲜盒300的重力作用下向下运动打开第一通孔413、在用户取下保鲜盒300时向上运动封闭第一通孔413，以使抽气泵451仅与位于保鲜盒300下方的第一通孔413连通，提高抽气效率。
每个凹槽411内可设置有第三密封圈473，以提高每个保鲜盒300与第一通孔413的气密性。
在一些进一步的实施例中，底座400还可包括充气泵452、消音器453、除氧模块454和软管455。
充气泵452可设置为在抽气泵451工作完成后启动，促使气体由第三通孔444流向单向阀430，进而促使密封部432复位。
消音器453可设置为与抽气泵451的排气口连通，以减少抽气泵451的工作噪音。
除氧模块454可设置为串联在第三通孔444与抽气泵451的抽气口之间，以使抽气泵451仅抽取保鲜盒300内的氧气。
软管455可设置为连通第三通孔444与除氧模块454、除氧模块454与抽气泵451、抽气泵451与消音器453、充气泵452与第三通孔444。
主体410的凹槽411还可设置由压力开关465。压力开关465可设置为在保鲜盒300设置于底座400上时感测到压力并触发抽气泵451。
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 (10)

  1. 一种保鲜装置，其特征在于，包括：
    保鲜盒，底部开设有泄压孔；和
    底座，形成有用于排出所述保鲜盒内的气体的抽气通路，所述抽气通路在所述保鲜盒设置于所述底座上时与所述泄压孔连通；其中，所述底座包括：
    单向阀，设置于所述抽气通路，并设置为允许气体由所述泄压孔向所述抽气通路流动、阻止气体由所述抽气通路向所述泄压孔流动。
  2. 根据权利要求1所述的保鲜装置，其特征在于，所述底座还包括：
    主体，形成有向上凹陷的容置空间，所述容置空间的底壁开设有第一通孔；以及
    安装筒，设置于所述容置空间，所述安装筒具有向上开口，用于与所述第一通孔连通；其中，
    所述安装筒的底壁开设有第二通孔，所述单向阀安装于所述第二通孔；且
    所述抽气通路包括第一通孔、所述安装筒的内部空间、和所述第二通孔。
  3. 根据权利要求2所述的保鲜装置，其特征在于，
    所述容置空间的底壁形成有第一限位槽；且
    所述安装筒的开口端部设置于所述第一限位槽，以限定所述安装筒在其周向方向上的运动。
  4. 根据权利要求2所述的保鲜装置，其特征在于，所述单向阀包括：
    连接柱，设置于所述第二通孔内；
    密封部，设置为自所述连接柱的底部径向向外延伸，并封闭所述第二通孔；以及
    卡固部，设置为自所述连接柱的顶部径向向外延伸，并限定所述单向阀向下的运动。
  5. 根据权利要求4所述的保鲜装置，其特征在于，
    所述安装筒设置有环形凸起，所述环形凸起设置于所述第二通孔的周缘处并向下隆起；且
    所述环形凸起在水平面上的投影完全落入所述密封部，且投影面积小于所述密封部在水平面上的投影面积，以便于所述密封部打开所述第二通孔。
  6. 根据权利要求2所述的保鲜装置，其特征在于，所述底座还包括：
    罩盖，设置于所述容置空间，且所述安装筒设置于所述罩盖内；其中，
    所述罩盖开设有第三通孔，用于与抽气泵直接或间接地连通；且
    所述抽气通路还包括所述罩盖的内部空间和所述第三通孔。
  7. 根据权利要求6所述的保鲜装置，其特征在于，
    所述安装筒设置有至少一个限位肋板，所述限位肋板设置为自所述安装筒的底壁向下延伸，用于限定所述单向阀与所述罩盖在竖直方向上的间距。
  8. 根据权利要求7所述的保鲜装置，其特征在于，
    所述罩盖设置为与所述主体固定连接；且
    所述主体和所述罩盖设置为将所述安装筒夹置于其间。
  9. 根据权利要求6所述的保鲜装置，其特征在于，
    所述安装筒与所述主体之间设置有第一密封圈；和/或
    所述罩盖与所述主体之间设置有第二密封圈。
  10. 一种冰箱，其特征在于，包括：
    箱体，限定有至少一个储物间室；
    至少一个门体，用于开闭所述至少一个储物间室；以及
    根据权利要求1所述的保鲜装置，设置于一个所述门体。
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