WO2023005461A1 - 冰箱 - Google Patents

冰箱 Download PDF

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Publication number
WO2023005461A1
WO2023005461A1 PCT/CN2022/098433 CN2022098433W WO2023005461A1 WO 2023005461 A1 WO2023005461 A1 WO 2023005461A1 CN 2022098433 W CN2022098433 W CN 2022098433W WO 2023005461 A1 WO2023005461 A1 WO 2023005461A1
Authority
WO
WIPO (PCT)
Prior art keywords
end surface
drawer
humidity
sealed drawer
deflector
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/CN2022/098433
Other languages
English (en)
French (fr)
Inventor
费斌
黄璐璐
张育宁
李孟成
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Qingdao Haier Refrigerator Co Ltd
Haier Smart Home Co Ltd
Chongqing Haier Refrigeration Electric Appliance Co Ltd
Original Assignee
Qingdao Haier Refrigerator Co Ltd
Haier Smart Home Co Ltd
Chongqing Haier Refrigeration Electric Appliance Co Ltd
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 Qingdao Haier Refrigerator Co Ltd, Haier Smart Home Co Ltd, Chongqing Haier Refrigeration Electric Appliance Co Ltd filed Critical Qingdao Haier Refrigerator Co Ltd
Publication of WO2023005461A1 publication Critical patent/WO2023005461A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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
    • 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
    • F25D25/00—Charging, supporting, and discharging the articles to be cooled
    • F25D25/02—Charging, supporting, and discharging the articles to be cooled by shelves
    • 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

Definitions

  • the invention relates to the field of household appliances, in particular to a refrigerator.
  • some refrigerators are provided with drying chambers for storing some articles requiring a dry environment.
  • the following methods are often used: the air outlet of the refrigerated air duct blows dry cold air into the drying room, taking away the moisture inside and storing food, the cold air flows through the evaporator through the return air outlet, and the water condenses into ice in the evaporator , turn into dry cold wind again, and use this cycle to achieve the purpose of drying.
  • the solution is as follows: improve the airtightness of the drawer or combine with a one-way breathable film to prevent moisture from escaping, but this method cannot automatically adjust the humidity and can only slow down the evaporation of the item itself. Or increase the humidity in the drawer, for example, using an ultrasonic humidifier, etc., but this method may cause excessive moisture to adhere to the item and promote its corruption; the user needs to add water regularly to ensure the normal operation of the humidifying device, which will affect the use of the user experience.
  • An object of the present invention is to realize the automatic adjustment of the humidity in the sealed drawer of the refrigerator, so as to improve the user experience.
  • a further object of the present invention is to prevent the interior of the sealed drawer from being affected by external odors and improve the storage effect.
  • the present invention provides a refrigerator, comprising: a box body defining a storage space inside; a door body arranged on the front surface of the box body to close the storage space; a sealed drawer arranged in the storage space , including: a drawer cover, an operation panel is arranged on the upper surface; a drawer body is arranged under the drawer cover, and a through hole is opened on the rear wall; and a humidity controller is embedded in the through hole, configured to adjust the sealed drawer
  • the internal humidity wherein the humidity controller includes: a module integrated shell, which defines a cavity inside; a humidity control module, inserted in the cavity.
  • the humidity control module includes: a semiconductor refrigerating sheet, an insulating frame, two heat-conducting metal plates, and a deflector, wherein the semiconductor refrigerating sheet has a first end face facing inside the sealed drawer and a second end face facing outside the sealed drawer, and the semiconductor refrigerating sheet
  • the cooling plate is embedded in the heat-insulating frame, and two heat-conducting metal plates are respectively attached to the first end surface and the second end surface, and the area of each heat-conducting metal plate covers the heat-insulating frame, and the deflector is attached and wrapped around two pieces of heat-conducting metal plate.
  • two electrode wires are provided on the top of the semiconductive cooling sheet to connect to a DC power supply, and the first end surface and the second end surface can be converted from a cold end surface to a hot end surface by switching the direction of conduction.
  • the water vapor inside the sealed drawer condenses to form water droplets on the first end face, and the humidity inside the sealed drawer is reduced; when the first end face is a hot end face, the diversion The moisture on the board is continuously evaporated by the first end surface, and the humidity inside the sealed drawer increases.
  • the thermal insulation frame is made of a material with poor thermal conductivity, which is used to block and reduce the thermal bridge effect between the first end surface and the second end surface.
  • the deflector is made of a hydrophilic and water-conducting material.
  • the deflector is "U-shaped", and its front and rear sides are provided with circular or grid-shaped matrix openings, so that the heat of the first end surface and the second end surface can be dissipated and absorbed, and the moisture can be diverted. The absorbing diffusion of the plate.
  • the module integration case includes: a case and a cover, a cavity is defined inside the case, and the cover is snap-fitted with the case.
  • a boss is provided on the bottom of the housing to support the humidity control module, and a water storage tank is formed in the gap between the boss and the bottom surface of the housing to temporarily store excess water after the deflector is saturated with water .
  • the refrigerator further includes: a humidity sensor disposed inside the sealed drawer and configured to detect the humidity inside the sealed drawer.
  • the refrigerator of the present invention comprises: a box body, which defines a storage space inside; a door body, arranged on the front surface of the box body, to close the storage space; a sealed drawer, arranged in the storage space, comprising: a drawer cover plate , the upper surface is provided with an operation panel; the drawer body is arranged under the drawer cover, and a through hole is opened on the rear wall; and a humidity controller is embedded in the through hole, configured to adjust the humidity inside the sealed drawer, wherein the humidity
  • the controller includes: a module integration shell, which defines a cavity inside; and a humidity control module, which is inserted in the cavity.
  • the humidity controller is suitable for any type of refrigerator, which can adjust and compensate the humidity in the sealed drawer, and can achieve constant; it solves the situation of "drying room” or "humidity room” that can only realize a single function before; no user manual Intervention, realizes the automatic cycle of moisture absorption and desorption, and improves the user experience.
  • the semiconductive refrigeration sheet has a first end surface facing the inside of the sealed drawer and a second end surface facing the outside of the sealed drawer.
  • the direction makes the first end surface and the second end surface realize the conversion of cold end surface and hot end surface.
  • the first end surface is a cold end surface
  • the water vapor inside the sealed drawer condenses on the first end surface to form water droplets, and the humidity inside the sealed drawer is reduced.
  • the first end face is a hot end face
  • the moisture on the deflector is continuously evaporated by the first end face, and the humidity inside the sealed drawer rises.
  • the humidity controller utilizes the characteristics of semiconductor refrigeration to adjust the humidity inside the sealed drawer through the semiconductor refrigeration sheet, avoiding the influence of external odor on the inside of the sealed drawer caused by wind circulation, and also avoiding the excessive moisture attached to the food caused by traditional humidification equipment to promote corruption situation, effectively improving the storage effect of items.
  • Fig. 1 is a schematic structural view of a refrigerator according to an embodiment of the present invention
  • Fig. 2 is a structural schematic diagram of a sealed drawer in a refrigerator according to an embodiment of the present invention
  • Fig. 3 is an exploded schematic diagram of a drawer body and a humidity controller in a refrigerator according to an embodiment of the present invention
  • FIG. 4 is an exploded schematic diagram of a humidity controller in a refrigerator according to an embodiment of the present invention.
  • Fig. 5 is an exploded schematic diagram of a humidity control module in a refrigerator according to an embodiment of the present invention.
  • FIG. 1 is a schematic structural view of a refrigerator 100 according to an embodiment of the present invention
  • Fig. 2 is a schematic structural view of a sealed drawer 200 in a refrigerator 100 according to an embodiment of the present invention
  • Fig. 3 is a drawer in a refrigerator 100 according to an embodiment of the present invention
  • the refrigerator 100 of this embodiment may generally include: a box body 110 , a door body 120 , a sealed drawer 200 and a humidity controller 300 .
  • a storage space is defined inside the box body 110 .
  • the number and structure of storage spaces can be configured according to needs.
  • the storage space can be configured as a refrigerated space, a frozen space, a variable temperature space or a fresh-keeping space according to different purposes.
  • Each storage space can be divided into multiple storage areas by partition boards, and items can be stored using shelves or drawers.
  • three storage spaces may be defined inside the cabinet 110 of the refrigerator 100 in this embodiment from top to bottom.
  • the door body 120 may be disposed on the front surface of the box body 110 to close the storage space.
  • the door body 120 may be provided corresponding to the storage space, that is, each storage space corresponds to one or more door bodies 120 .
  • the door body 120 can be pivotally opened or can be opened in a drawer style.
  • the door body 120 corresponding to the first upper storage space can be pivotally opened, and the remaining storage spaces can be opened in a drawer style.
  • the airtight drawer 200 can be arranged in the storage space, including: a drawer cover 210 with an operation panel 211 on its upper surface;
  • the humidity controller 300 may be embedded in the through hole 221 and configured to adjust the humidity inside the sealed drawer 200 .
  • the humidity controller 300 may include: a module integration case 310 defining a cavity inside; a humidity control module 320 inserted in the cavity.
  • the humidity controller 300 in this embodiment is suitable for any type of refrigerator, such as air-cooled refrigerators and direct-cooled refrigerators, and can adjust and compensate the humidity in the sealed drawer 200, and can achieve constant; solves the problem that only a single function can be realized before The situation of "drying room” or "humidity room”; without human intervention by the user, it realizes the automatic cycle of moisture absorption and desorption, and improves the user experience.
  • the humidity control module 320 includes: a semiconductor cooling plate 321 , an insulating frame 322 , two heat-conducting metal plates 323 and a deflector 324 .
  • the semiconductor cooling sheet 321 has a first end surface 331 facing the inside of the sealed drawer 200 and a second end surface 332 facing outside the sealing drawer 200, the semiconductor cooling sheet 321 is embedded in the heat insulating frame 322, and two heat-conducting metal plates 323 are attached to each other respectively.
  • each heat-conducting metal plate 323 Attached to the first end surface 331 and the second end surface 332 , and the area of each heat-conducting metal plate 323 covers the heat-insulating frame 322 , and the deflector 324 is attached to and wraps the two heat-conducting metal plates 323 .
  • Two electrode wires 333 are provided on the top of the semiconductor cooling plate 321 to connect to a DC power supply, and the first end surface 331 and the second end surface 332 realize the conversion of the cold end surface and the hot end surface by switching the direction of electricity supply.
  • the two electrode wires 333 may be red and black columns respectively.
  • the semiconductor cooling plate 321 can utilize the Peltier effect of semiconductor materials. When direct current passes through a galvanic couple formed by two different semiconductor materials in series, heat can be absorbed and released at both ends of the galvanic couple, and the purpose of cooling can be achieved. , When the positive and negative poles are switched on, the hot and cold sides will also be switched. It is a refrigeration technology that produces negative thermal resistance. It is characterized by no moving parts and relatively high reliability. It is used in some occasions where space is limited, high reliability is required, and there is no refrigerant pollution.
  • the first end surface 331 when the first end surface 331 is a cold end surface, the water vapor inside the sealed drawer 200 condenses on the first end surface 331 to form water drops, and the humidity inside the sealed drawer 200 decreases;
  • 331 is a hot end surface, the moisture on the deflector 324 is continuously evaporated by the first end surface 331, and the humidity inside the sealed drawer 200 rises.
  • the heat insulating frame 322 can be made of a material with poor thermal conductivity, so as to block and reduce the thermal bridge effect of the first end surface 331 and the second end surface 332 .
  • the heat insulating frame 322 may be made of EPS material.
  • Polystyrene foam (Expanded Polystyrene, referred to as EPS) is a light polymer. It uses polystyrene resin to add foaming agent, while heating to soften, generate gas, and form a foam plastic with a rigid closed-cell structure.
  • the deflector 324 may be made of a hydrophilic and water-conducting material.
  • the deflector 324 can be "U-shaped", and its front and rear sides are provided with circular or grid-shaped matrix openings 341, so that the heat from the first end surface 331 and the second end surface 332 Diverge and absorb, and promote the absorption and diffusion of moisture in the deflector 324.
  • the deflector 324 may also be "L-shaped".
  • the module integration case 310 may include: a housing 311 and a cover 312 , a cavity is defined inside the housing 311 , and the cover 312 is snap-connected with the housing 311 .
  • the humidity control module 320 is inserted into the cavity of the casing 311 , and then the cover 312 is fastened, and the casing 311 and the cover 312 are fastened together to form a complete humidity controller 300 .
  • Holes for the electrode wires 333 to pass through may be provided above the heat insulating frame 322 and on the cover 312 .
  • the bottom of the casing 311 is provided with a boss to support the humidity control module 320, and the gap between the boss and the bottom surface of the casing 311 forms a water storage tank, which is used as a temporary storage of excess water after the deflector 324 is saturated with water . It should be noted that, due to viewing angle, neither the boss nor the water storage tank is shown in the figure.
  • the refrigerator 100 may further include: a humidity sensor (not shown in the figure), disposed inside the sealed drawer 200 and configured to detect the humidity inside the sealed drawer 200 .
  • the humidity controller 300 can perform specific adjustments according to the humidity detected by the humidity sensor.
  • the sealed drawer 200 can also be configured as a cabin or a compartment.
  • the airtight drawer 200 can be pulled out or inserted inwardly, and when the airtight drawer 200 is inserted inwardly and resets, it has good sealing performance with the drawer cover plate 210 .
  • the operation panel 211 provided on the upper surface of the drawer cover 210 the user can set the humidity requirement with one click, or preset several humidity modes according to the requirements of different storage items.
  • the airtight drawer 200 in this embodiment has a through hole 221 on the rear wall. In other embodiments, it can also be arranged on other side walls of the airtight drawer 200, including the bottom wall of the airtight drawer 200 and the bottom of the drawer cover plate 210. .
  • the shape of the through hole 221 is equal to the outer dimensions of the humidity controller 300 , and the humidity controller 300 is tightly embedded in the through hole 221 to ensure sealing.
  • the first end surface 331 of the humidity controller 300 faces inside the drawer and is in direct contact with the air in the drawer, and the second end surface 332 faces outside the drawer.
  • the cold end surface and the hot end surface will be formed when the semiconductor refrigeration sheet 321 is energized, and the switching of the positive and negative poles will also produce the basic characteristics of conversion, combined with the detection of the humidity sensor and Signal feedback, through logic setting, controls the working time and conversion of the hot and cold ends of the semiconductor cooling chip 321 .
  • the humidity needs to be reduced, switch the first end surface 331 facing the inside of the sealed drawer 200 to the cold end, so that the water vapor in contact with it can condense and condense; Switch to the hot end, so that the water in the deflector attached to it is heated and evaporated, and enters the air.
  • the humidity inside the sealed drawer 200 reaches a set constant value, so as to meet the optimal humidity requirements for storage of different items.
  • the positive and negative poles of the humidity controller 300 are energized, the first end surface 331 facing the inside of the drawer is a cold end surface, and the second end surface 332 facing the outside of the drawer is a hot end surface; at this time, the water vapor inside the sealed drawer 200 is at the first When the end surface 331 encounters condensation, it forms water droplets, which are continuously absorbed by the hydrophilic deflector 324, and the humidity in the sealed drawer 200 continues to drop; after finally reaching the set value, the humidity controller 300 stops under the feedback signal of the humidity sensor. Work.
  • the excess condensed water absorbed by the hydrophilic deflector 324 on the first end surface 331 will accumulate in the water storage tank at the bottom of the housing 311, and then penetrate to the surface of the second end surface 332 through capillary action , is evaporated by the second end surface 332 and diffuses to the outside of the sealed drawer 200 , completing the transfer process of water vapor from the inside of the sealed drawer 200 to the outside.
  • the positive and negative poles of the humidity controller 300 are energized, the first end surface 331 facing the inside of the drawer is the hot end surface, and the second end surface 332 facing the outside of the drawer is the cold end surface;
  • the moisture is continuously evaporated by the first end surface 331, and the humidity in the sealed drawer 200 gradually rises; when finally reaching the set value, the humidity controller 300 stops working under the feedback signal of the humidity sensor.
  • the humidity controller 300 continues to work, the excess condensed water on the second end surface 332 outside the sealed drawer 200 will accumulate in the bottom water storage tank, penetrate into the first end surface 331 inside the sealed drawer 200, and be heated and evaporated. , diverge into the internal air, and complete the transfer of water vapor from the outside to the inside.
  • the humidity sensor in the sealed drawer 200 detects the real-time humidity in the sealed drawer 200, and continuously feeds back; if the real-time humidity is higher than the target humidity , the humidity controller 300 is in the working state of "moisture absorption" through the adjustment of the positive and negative electrodes; if the real-time humidity is lower than the target humidity, the humidity controller 300 is in the working state of "dehumidification” through the adjustment of the positive and negative electrodes; Wet" interaction, so that the interior of the sealed drawer 200 maintains the set target humidity and remains constant.
  • the refrigerator 100 may also include a compression refrigeration system to provide cold energy to the storage space.
  • a compression refrigeration system to provide cold energy to the storage space.
  • the temperature in the refrigerated space is generally between 2°C and 10°C, preferably 4°C to 7°C.
  • the temperature range in the refrigerated space is typically -22°C to -14°C.
  • the optimal storage temperature for different types of items is not the same, and the suitable storage space for storage is also different. For example, fruits and vegetables are suitable for storage in refrigerated space or fresh-keeping space, while meat food is suitable for storage in freezer space.
  • the refrigerator 100 in this embodiment can effectively adjust both the temperature and the humidity to fully meet storage requirements.
  • the refrigerator 100 of this embodiment includes: a box body 110, which defines a storage space inside; a door body 120, which is arranged on the front surface of the box body 110, to close the storage space; a sealed drawer 200, which is arranged in the storage space , including: a drawer cover 210, an operation panel 211 is arranged on its upper surface; a drawer body 220 is arranged below the drawer cover 210, and a through hole 221 is opened on the rear wall; and a humidity controller 300 is embedded in the through hole 221 is configured to adjust the humidity inside the sealed drawer 200, wherein the humidity controller 300 includes: a module integrated case 310 defining a cavity inside; a humidity control module 320 inserted in the cavity.
  • the humidity controller 300 is suitable for any type of refrigerator, and can adjust and compensate the humidity in the sealed drawer 200, and can achieve constant; it solves the situation of "drying room” or “humidity room” that can only realize a single function before; no need
  • the human intervention of the user realizes the automatic cycle of moisture absorption and release, which improves the user experience.
  • the semiconductor cooling sheet 321 has a first end surface 331 facing the inside of the sealed drawer 200 and a second end surface 332 facing outside the sealing drawer 200, and the top of the semiconductor cooling sheet 321 is provided with two electrode wires 333 , to connect a DC power supply, by switching the direction of conduction, the first end surface 331 and the second end surface 332 realize the conversion of the cold end surface and the hot end surface.
  • One end surface 331 condenses to form water droplets, and the humidity inside the sealed drawer 200 decreases; when the first end surface 331 is a hot end surface, the moisture on the deflector 324 is continuously evaporated by the first end surface 331, and the humidity inside the sealed drawer 200 rises. high.
  • the humidity controller 300 utilizes the characteristics of semiconductor refrigeration to adjust the humidity inside the sealed drawer 200 through the semiconductor refrigeration sheet 321, avoiding the influence of external odor on the inside of the sealed drawer 200 caused by wind circulation, and also avoiding the excessive moisture attached to the food caused by traditional humidification equipment
  • the environment that promotes corruption can effectively improve the storage effect of items.

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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)
  • Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
  • Devices That Are Associated With Refrigeration Equipment (AREA)

Abstract

一种冰箱，包括：箱体（110），其内部限定有储物空间；门体（120），设置于箱体（110）的前表面，以封闭储物空间；密封抽屉（200），设置于储物空间内，包括：抽屉盖板（210），其上表面设置有操作面板（211）；抽屉本体（220），设置于抽屉盖板（210）下方，其后壁开设有通孔（221）；以及湿度控制器（300），嵌设于通孔（221）处，配置成调节密封抽屉（200）内部的湿度，其中湿度控制器（300）包括：模块集成壳（310），其内部限定有空腔；湿度控制模块（320），插设于空腔中。该冰箱可对密封抽屉（200）内的湿度进行调节补偿，并可实现恒定；解决了之前只能实现功能单一的"干燥室"或者"湿度室"情况；不需要用户人为干预，实现了吸放湿的自动循环，提升用户的使用体验。

Description

冰箱 技术领域
本发明涉及家电设备领域，特别是涉及一种冰箱。
背景技术
随着社会日益发展和人们生活水平不断提高，人们的生活节奏也越来越快，可能会一次性购买储备很多食物。为了保证食物的存储效果，冰箱已经成为人们日常生活中不可缺少的家用电器之一。
目前有一部分冰箱设置有干燥室，用于存储一些需要干燥环境的物品。实现干燥室干燥的目的往往采用以下方式：冷藏风道的出风口吹出干燥冷风进入干燥室，带走其内部和存储食物的水分，冷风通过回风口流经蒸发器，水分在蒸发器凝结成冰，再次变为干燥冷风吹出，以此循环达到干燥目的。
但上述方式存在下列缺点：第一，由于循环冷风会带入冰箱内的异味，时间稍长，异味会被干燥室内部的物品吸附，原有气味品质下降。例如：若冰箱内原本存储有榴莲等重气味食物，那么循环冷风则会把榴莲的气味也带入干燥室；第二，仅能实现干燥功能，无法同时增加湿度，功能单一。
为了实现调节湿度的目的，解决方案如下：提高抽屉的密封性或结合单向透气膜等，避免水分逃逸，但是这种方式湿度无法自动调节，仅能减缓物品自身的水分蒸发。或者增加抽屉内的湿度，例如，利用超声波加湿器等，但是这种方式使得过多的水分可能附着在物品上，促使其腐败；用户需要定期加水，保证加湿设备的正常工作，影响用户的使用体验。
发明内容
本发明的一个目的是实现冰箱的密封抽屉内湿度自动调节，提升用户的使用体验。
本发明一个进一步的目的是避免密封抽屉内部受到外部异味的影响，提升储物效果。
特别地，本发明提供了一种冰箱，包括：箱体，其内部限定有储物空间；门体，设置于箱体的前表面，以封闭储物空间；密封抽屉，设置于储物空间内，包括：抽屉盖板，其上表面设置有操作面板；抽屉本体，设置于抽屉盖板下方，其后壁开设有通孔；以及湿度控制器，嵌设于通孔处，配置成调节 密封抽屉内部的湿度，其中湿度控制器包括：模块集成壳，其内部限定有空腔；湿度控制模块，插设于空腔中。
可选地，湿度控制模块包括：半导体制冷片、绝热框、两片导热金属板以及导流板，其中半导体制冷片具有朝向密封抽屉内部的第一端面和朝向密封抽屉外的第二端面，半导体制冷片嵌设于绝热框内，两片导热金属板，分别贴附于第一端面和第二端面，且每片导热金属板的面积覆盖绝热框，导流板贴附并包裹两片导热金属板。
可选地，半导体制冷片的顶端设置有两个电极线，以连接直流电源，通过切换通电方向使得第一端面和第二端面实现冷端面和热端面的转换。
可选地，在第一端面为冷端面的情况下，密封抽屉内部的水蒸气在第一端面冷凝形成水珠，密封抽屉内部的湿度降低；在第一端面为热端面的情况下，导流板上的水分被第一端面不断蒸发，密封抽屉内部的湿度升高。
可选地，绝热框由热的不良导体材料制成，用于阻断和降低第一端面和第二端面的热桥效应。
可选地，导流板由亲水且导水的材料制成。
可选地，导流板为“U型”，其前后两面设置有圆形或栅格形的矩阵开窗，以使第一端面和第二端面的热量发散和吸收，并促使水分在导流板的吸收扩散。
可选地，模块集成壳包括：壳体和盖体，壳体内部限定有空腔，盖体与壳体卡扣连接。
可选地，壳体底部设置有凸台，以支撑湿度控制模块，且凸台和壳体底面之间的间隙形成有储水槽，以在导流板吸水饱和后，用作过量水分的临时存储。
可选地，冰箱还包括：湿度传感器，设置于密封抽屉的内部，配置成检测密封抽屉内部的湿度。
本发明的冰箱，包括：箱体，其内部限定有储物空间；门体，设置于箱体的前表面，以封闭储物空间；密封抽屉，设置于储物空间内，包括：抽屉盖板，其上表面设置有操作面板；抽屉本体，设置于抽屉盖板下方，其后壁开设有通孔；以及湿度控制器，嵌设于通孔处，配置成调节密封抽屉内部的湿度，其中湿度控制器包括：模块集成壳，其内部限定有空腔；湿度控制模块，插设于空腔中。湿度控制器适用于任何类型的冰箱，可对密封抽屉内的 湿度进行调节补偿，并可实现恒定；解决了之前只能实现功能单一的“干燥室”或者“湿度室”情况；不需要用户人为干预，实现了吸放湿的自动循环，提升用户的使用体验。
进一步地，本发明的冰箱，半导体制冷片具有朝向密封抽屉内部的第一端面和朝向密封抽屉外部的第二端面，半导体制冷片的顶端设置有两个电极线，以连接直流电源，通过切换通电方向使得第一端面和第二端面实现冷端面和热端面的转换，在第一端面为冷端面的情况下，密封抽屉内部的水蒸气在第一端面冷凝形成水珠，密封抽屉内部的湿度降低；在第一端面为热端面的情况下，导流板上的水分被第一端面不断蒸发，密封抽屉内部的湿度升高。湿度控制器利用半导体制冷特性，通过半导体制冷片实现对密封抽屉内部湿度调节，避免风循环导致密封抽屉内部受到外部异味的影响，还可以避免传统加湿设备造成过多水分附着在食物上促使腐败的情况，有效提升物品的存储效果。
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结构示意图；
图2是根据本发明一个实施例的冰箱中密封抽屉的结构示意图；
图3是根据本发明一个实施例的冰箱中抽屉本体与湿度控制器的分解示意图；
图4是根据本发明一个实施例的冰箱中湿度控制器的分解示意图；以及
图5是根据本发明一个实施例的冰箱中湿度控制模块的分解示意图。
具体实施方式
本实施例提供了一种冰箱，可以对密封抽屉内的湿度进行调节补偿，并可实现恒定；解决了之前只能实现功能单一的“干燥室”或者“湿度室”情况；不需要用户人为干预，实现了吸放湿的自动循环，提升用户的使用体验。 图1是根据本发明一个实施例的冰箱100的结构示意图；图2是根据本发明一个实施例的冰箱100中密封抽屉200的结构示意图；图3是根据本发明一个实施例的冰箱100中抽屉本体220与湿度控制器300的分解示意图；图4是根据本发明一个实施例的冰箱100中湿度控制器300的分解示意图；以及图5是根据本发明一个实施例的冰箱100中湿度控制模块320的分解示意图。如图1至图3所示，本实施例的冰箱100一般性地可以包括：箱体110、门体120、密封抽屉200以及湿度控制器300。
其中，箱体110的内部限定有储物空间。实际上，储物空间的数量以及结构可以根据需求进行配置。并且，储物空间按照用途不同可以配置为冷藏空间、冷冻空间、变温空间或者保鲜空间。各个储物空间可以由分隔板分割为多个储物区域，利用搁物架或者抽屉储存物品。如图1所示，本实施例的冰箱100的箱体110内部可以由上至下限定有三个储物空间。
门体120可以设置于箱体110的前表面，以封闭储物空间。门体120可以与储物空间对应设置，即每一个储物空间都对应有一个或多个门体120。门体120可以枢转开启或者可以抽屉式开启，例如上方第一个储物空间对应的门体120为枢转开启，其余几个储物空间则可以是抽屉式开启。
密封抽屉200可以设置于储物空间内，包括：抽屉盖板210，其上表面设置有操作面板211；抽屉本体220，设置于抽屉盖板210下方，其后壁开设有通孔221。湿度控制器300可以嵌设于通孔221处，配置成调节密封抽屉200内部的湿度。如图4所示，湿度控制器300可以包括：模块集成壳310，其内部限定有空腔；湿度控制模块320，插设于空腔中。
本实施例中的湿度控制器300适用于任何类型的冰箱，例如风冷冰箱和直冷冰箱，可对密封抽屉200内的湿度进行调节补偿，并可实现恒定；解决了之前只能实现功能单一的“干燥室”或者“湿度室”情况；不需要用户人为干预，实现了吸放湿的自动循环，提升用户的使用体验。
在一种具体的实施例中，如图5所示，湿度控制模块320包括：半导体制冷片321、绝热框322、两片导热金属板323以及导流板324。其中，半导体制冷片321具有朝向密封抽屉200内部的第一端面331和朝向密封抽屉200外的第二端面332，半导体制冷片321嵌设于绝热框322内，两片导热金属板323，分别贴附于第一端面331和第二端面332，且每片导热金属板323的面积覆盖绝热框322，导流板324贴附并包裹两片导热金属板323。
半导体制冷片321的顶端设置有两个电极线333，以连接直流电源，通过切换通电方向使得第一端面331和第二端面332实现冷端面和热端面的转换。两个电极线333可以分别为红黑柱状体。具体地，半导体制冷片321可以利用半导体材料的Peltier效应，当直流电通过两种不同半导体材料串联成的电偶时，在电偶的两端即可分别吸收热量和放出热量，可以实现制冷的目的，通电时正负极切换冷热面也会切换。它是一种产生负热阻的制冷技术，其特点是无运动部件，可靠性也比较高，应用在一些空间受到限制，可靠性要求高，无制冷剂污染的场合。
在一种优选的实施例中，在第一端面331为冷端面的情况下，密封抽屉200内部的水蒸气在第一端面331冷凝形成水珠，密封抽屉200内部的湿度降低；在第一端面331为热端面的情况下，导流板324上的水分被第一端面331不断蒸发，密封抽屉200内部的湿度升高。
具体地，绝热框322可以由热的不良导体材料制成，用于阻断和降低第一端面331和第二端面332的热桥效应。例如绝热框322可以由EPS材料制成。聚苯乙烯泡沫(Expanded Polystyrene，简称EPS)是一种轻型高分子聚合物。它是采用聚苯乙烯树脂加入发泡剂，同时加热进行软化，产生气体，形成一种硬质闭孔结构的泡沫塑料。
导流板324可以由亲水且导水的材料制成。在一种具体地实施例中，导流板324可以为“U型”，其前后两面设置有圆形或栅格形的矩阵开窗341，以使第一端面331和第二端面332的热量发散和吸收，并促使水分在导流板324的吸收扩散。在其他一些实施例中，导流板324还可以是“L型”。
如图4所示，模块集成壳310可以包括：壳体311和盖体312，壳体311内部限定有空腔，盖体312与壳体311卡扣连接。湿度控制模块320插入壳体311的空腔内，再扣上盖体312，壳体311与盖体312卡扣牢固后形成完整的湿度控制器300。绝热框322的上方和盖体312上均可以设置有供电极线333穿出的开孔。
壳体311底部设置有凸台，以支撑湿度控制模块320，且凸台和壳体311底面之间的间隙形成有储水槽，以在导流板324吸水饱和后，用作过量水分的临时存储。需要说明的是，由于视角关系，凸台和储水槽在图中均未示出。
在一种优选的实施例中，冰箱100还可以包括：湿度传感器(图中未示出)，设置于密封抽屉200的内部，配置成检测密封抽屉200内部的湿度。 湿度控制器300则可以根据湿度传感器检测得到的湿度进行具体调节。此外，在其他一些实施例中，密封抽屉200还可以设置为舱体或间室等。
密封抽屉200可以向外抽出或向内插入，在密封抽屉200向内插入复位时，和抽屉盖板210具有良好的密封性。抽屉盖板210上表面设置的操作面板211，用户可以一键设置湿度需求，或针对不同储存物品需求预设几种湿度模式。
本实施例中的密封抽屉200在后壁开设有通孔221，在其他一些实施例中，还可以设置在密封抽屉200的其他侧壁，包括密封抽屉200的底壁、抽屉盖板210的底部。通孔221的形状等同于湿度控制器300的外廓尺寸，湿度控制器300紧密嵌装于通孔221上，保证密封性。湿度控制器300的第一端面331面向抽屉内部，与抽屉内空气直接接触，第二端面332面向抽屉外部。
也就是说，本实施例的冰箱100，利用半导体制冷片321在通电时会形成冷端面和热端面，且正负极切换冷热端也会相应产生转换的基本特性，结合湿度传感器的检测和信号反馈，通过逻辑设定，控制半导体制冷片321的冷热端的工作时间及转换。当需要降低湿度时，将朝向密封抽屉200内部的第一端面331切换为冷端，使与之接触的水蒸汽冷凝结露；当需要提升湿度时，将朝向密封抽屉200内部的第一端面331切换为热端，使贴附其上的导流片中的水受热蒸发，进入空气中。最终密封抽屉200内部的湿度达到设定的恒定值，以满足不同物品的存储的最佳湿度要求。
以下对几个实施例进行具体介绍：
关于吸湿过程，湿度控制器300正负极转换通电，朝向抽屉内部的第一端面331为冷端面，朝向抽屉外部的第二端面332为热端面；此时密封抽屉200内部的水蒸气在第一端面331遇冷凝结形成水珠，同时被亲水的导流板324不断吸收，密封抽屉200内的湿度不断下降；最终达到设定值后，湿度控制器300在湿度传感器的反馈信号下，停止工作。当湿度控制器300持续工作时，亲水的导流板324在第一端面331吸收的过量冷凝水会蓄积在壳体311底部的储水槽中，再通过毛细作用，渗透到第二端面332表面，被第二端面332蒸发后发散到密封抽屉200外部，完成水汽从密封抽屉200内往外的传递过程。
关于放湿过程，湿度控制器300正负极转换通电，朝向抽屉内部的第一 端面331为热端面，朝向抽屉外部的第二端面332为冷端面；此时亲水的导流板324上的水分被第一端面331不断蒸发，密封抽屉200内的湿度逐渐上升；最终达到设定值后，湿度控制器300在湿度传感器的反馈信号下，停止工作。同样地，当湿度控制器300持续工作时，密封抽屉200外部的第二端面332上的过量冷凝水会蓄积到底部储水槽中，渗透至密封抽屉200内部的第一端面331上，被加热蒸发，发散到内部空气中，完成水汽由外向内的传递转移。
关于恒湿控制过程，用户通过操作面板211为密封抽屉200设定某一目标湿度后，密封抽屉200内的湿度传感器检测密封抽屉200内的实时湿度，并持续反馈；若实时湿度高于目标湿度，湿度控制器300通过正负极调整处于“吸湿”工作状态；若实时湿度低于目标湿度，湿度控制器300通过正负极调整处于“放湿”工作状态；通过上述“吸湿”和“放湿”的交互作用，使得密封抽屉200内部保持设定的目标湿度，并恒定。
此外，冰箱100还可以包括压缩制冷系统，向储物空间提供冷量。需要说明的是，压缩制冷系统140向各种类型的储物空间提供的冷量不同，使得各种类型的储物空间内的温度也不相同。其中冷藏空间内的温度一般处于2℃至10℃之间，优先为4℃至7℃。冷冻空间内的温度范围一般处于-22℃至-14℃。不同种类的物品的最佳存储温度并不相同，进而适宜存放的储物空间也并不相同。例如果蔬类食物适宜存放于冷藏空间或者保鲜空间，而肉类食物适宜存放于冷冻空间。本实施例的冰箱100可以对温度和湿度均进行有效调节，充分满足储物需求。
本实施例的冰箱100，包括：箱体110，其内部限定有储物空间；门体120，设置于箱体110的前表面，以封闭储物空间；密封抽屉200，设置于储物空间内，包括：抽屉盖板210，其上表面设置有操作面板211；抽屉本体220，设置于抽屉盖板210下方，其后壁开设有通孔221；以及湿度控制器300，嵌设于通孔221处，配置成调节密封抽屉200内部的湿度，其中湿度控制器300包括：模块集成壳310，其内部限定有空腔；湿度控制模块320，插设于空腔中。湿度控制器300适用于任何类型的冰箱，可对密封抽屉200内的湿度进行调节补偿，并可实现恒定；解决了之前只能实现功能单一的“干燥室”或者“湿度室”情况；不需要用户人为干预，实现了吸放湿的自动循环，提升用户的使用体验。
进一步地，本实施例的冰箱100，半导体制冷片321具有朝向密封抽屉200内部的第一端面331和朝向密封抽屉200外部的第二端面332，半导体制冷片321的顶端设置有两个电极线333，以连接直流电源，通过切换通电方向使得第一端面331和第二端面332实现冷端面和热端面的转换，在第一端面331为冷端面的情况下，密封抽屉200内部的水蒸气在第一端面331冷凝形成水珠，密封抽屉200内部的湿度降低；在第一端面331为热端面的情况下，导流板324上的水分被第一端面331不断蒸发，密封抽屉200内部的湿度升高。湿度控制器300利用半导体制冷特性，通过半导体制冷片321实现对密封抽屉200内部湿度调节，避免风循环导致密封抽屉200内部受到外部异味的影响，还可以避免传统加湿设备造成过多水分附着在食物上促使腐败的情况，有效提升物品的存储效果。
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. 一种冰箱，包括：
    箱体，其内部限定有储物空间；
    门体，设置于所述箱体的前表面，以封闭所述储物空间；
    密封抽屉，设置于所述储物空间内，包括：抽屉盖板，其上表面设置有操作面板；抽屉本体，设置于所述抽屉盖板下方，其后壁开设有通孔；以及
    湿度控制器，嵌设于所述通孔处，配置成调节所述密封抽屉内部的湿度，其中所述湿度控制器包括：模块集成壳，其内部限定有空腔；湿度控制模块，插设于所述空腔中。
  2. 根据权利要求1所述的冰箱，其中，
    所述湿度控制模块包括：半导体制冷片、绝热框、两片导热金属板以及导流板，
    其中所述半导体制冷片具有朝向所述密封抽屉内部的第一端面和朝向所述密封抽屉外的第二端面，
    所述半导体制冷片嵌设于所述绝热框内，
    两片所述导热金属板，分别贴附于所述第一端面和所述第二端面，且每片所述导热金属板的面积覆盖所述绝热框，
    所述导流板贴附并包裹两片所述导热金属板。
  3. 根据权利要求2所述的冰箱，其中，
    所述半导体制冷片的顶端设置有两个电极线，以连接直流电源，通过切换通电方向使得所述第一端面和所述第二端面实现冷端面和热端面的转换。
  4. 根据权利要求3所述的冰箱，其中，
    在所述第一端面为冷端面的情况下，所述密封抽屉内部的水蒸气在所述第一端面冷凝形成水珠，所述密封抽屉内部的湿度降低；
    在所述第一端面为热端面的情况下，所述导流板上的水分被所述第一端面不断蒸发，所述密封抽屉内部的湿度升高。
  5. 根据权利要求2所述的冰箱，其中，
    所述绝热框由热的不良导体材料制成，用于阻断和降低所述第一端面和 所述第二端面的热桥效应。
  6. 根据权利要求2所述的冰箱，其中，
    所述导流板由亲水且导水的材料制成。
  7. 根据权利要求6所述的冰箱，其中，
    所述导流板为“U型”，其前后两面设置有圆形或栅格形的矩阵开窗，以使所述第一端面和所述第二端面的热量发散和吸收，并促使水分在所述导流板的吸收扩散。
  8. 根据权利要求1所述的冰箱，其中，
    所述模块集成壳包括：壳体和盖体，所述壳体内部限定有所述空腔，所述盖体与所述壳体卡扣连接。
  9. 根据权利要求8所述的冰箱，其中，
    所述壳体底部设置有凸台，以支撑所述湿度控制模块，且所述凸台和所述壳体底面之间的间隙形成有储水槽，以在所述导流板吸水饱和后，用作过量水分的临时存储。
  10. 根据权利要求1所述的冰箱，还包括：
    湿度传感器，设置于所述密封抽屉的内部，配置成检测所述密封抽屉内部的湿度。
PCT/CN2022/098433 2021-07-30 2022-06-13 冰箱 Ceased WO2023005461A1 (zh)

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