WO2018121202A1 - 具有气压平衡功能的门体及制冷设备 - Google Patents

具有气压平衡功能的门体及制冷设备 Download PDF

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Publication number
WO2018121202A1
WO2018121202A1 PCT/CN2017/114872 CN2017114872W WO2018121202A1 WO 2018121202 A1 WO2018121202 A1 WO 2018121202A1 CN 2017114872 W CN2017114872 W CN 2017114872W WO 2018121202 A1 WO2018121202 A1 WO 2018121202A1
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WO
WIPO (PCT)
Prior art keywords
door
hole
door body
pressure balance
vent pipe
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Application number
PCT/CN2017/114872
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English (en)
French (fr)
Inventor
丁剑波
徐志帅
刘瑾
潘自杰
李建新
Original Assignee
青岛海尔特种电冰柜有限公司
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Application filed by 青岛海尔特种电冰柜有限公司 filed Critical 青岛海尔特种电冰柜有限公司
Publication of WO2018121202A1 publication Critical patent/WO2018121202A1/zh

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D23/00—General constructional features
    • F25D23/02—Doors; Covers
    • 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
    • F25D23/02—Doors; Covers
    • F25D23/028—Details
    • 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
    • F25D2323/00—General constructional features not provided for in other groups of this subclass
    • F25D2323/02—Details of doors or covers not otherwise covered

Definitions

  • the invention relates to a refrigeration device, in particular to a door body and a refrigeration device with a pressure balance function.
  • the incubator for refrigeration equipment usually includes a box body and a door body.
  • the air pressure inside and outside the box is unbalanced, and a low pressure is formed inside the box body. Therefore, when the door body is opened, the door body is difficult to open due to the negative pressure inside the box.
  • the invention provides a door body and a refrigeration device with a pressure balance function, which realizes the requirement of the pressure balance of the inside and outside of the box when the door is opened, and is convenient for the user to open the door body to improve the user's embodiment.
  • a door body having a pressure balance function comprising a heat preservation door and a handle
  • the heat preservation door comprises a casing and a door lining
  • an insulation layer is arranged between the casing and the door lining
  • the insulation door is further provided with a through hole a gas pipe
  • a side wall of the outer casing is defined in a first through hole
  • a second through hole is defined in the door lining
  • the vent pipe is connected between the first through hole and the second through hole.
  • a valve for opening and closing the first through hole is disposed on the handle.
  • the present invention also provides a refrigeration apparatus comprising the above-described door body having a pressure balance function.
  • the advantages and positive effects of the present invention are: by providing a vent pipe in the heat preservation door and providing a valve for opening and closing the vent pipe on the handle, the user opens the door to open the door, so that the door is opened.
  • the trachea communicates with the outside world.
  • the other outside enters the door through the vent pipe to balance the pressure inside the refrigeration device.
  • the pressure balance between the inside and outside of the box is reached, which is convenient for the user to open the door to improve the user experience. Sex.
  • FIG. 1 is a partial structural schematic view of an embodiment of a door body having a gas pressure balance function according to the present invention.
  • FIG. 2 is an assembled view of a vent pipe and a valve and an elastic air chamber in an embodiment of a door body having a gas pressure balance function according to the present invention
  • Figure 3 is an exploded view of an embodiment of a door body having a pneumatic balance function of the present invention.
  • the door body having the air pressure balance function includes the heat insulating door 1 and the handle 2, and the heat insulating door 1 includes a casing 101 and a door lining 102, and the casing 101 and the door lining 102 An insulating layer is disposed between the insulating door 1 and a vent tube 11 .
  • the sidewall of the housing 101 is defined by a first through hole (not labeled), and the door lining 102 is provided with a second through hole. (Unmarked), the vent pipe 11 is connected between the first through hole and the second through hole, and the handle 2 is provided with a valve 3 for opening and closing the first through hole.
  • the heat insulating door 1 of the door body having the air pressure balance function is provided with a vent pipe 11 communicating with the inside and outside of the refrigeration equipment case, and the outer pipe port of the vent pipe 11 is connected with the first through hole, and the first The through hole is blocked by the valve 3.
  • the vent pipe 11 is connected to the outside through the first through hole, under the action of the external atmospheric pressure, the outside air enters the vent pipe 11 and enters the interior of the refrigeration device case to achieve air pressure balance, thereby realizing the air pressure inside and outside the box. balance.
  • vent pipe in the heat preservation door and a valve for opening and closing the vent pipe on the handle
  • the valve is opened by the drive valve, so that the vent pipe communicates with the outside, so that under the external air pressure, the outside world passes through
  • the vent pipe enters the door body to balance the pressure inside the refrigeration device, and reaches the requirement of the air pressure balance inside and outside the box when the door is opened, so that the user can open the door to improve the user experience.
  • vent pipe 11 can be configured as follows:
  • the inner wall of the vent pipe 11 is provided with a hydrophobic coating (not shown).
  • a hydrophobic coating not shown.
  • the valve 3 is opened, and the outside air enters the vent pipe 11, and the moisture contained in the outside air is pre-cooled to form condensed water.
  • the hydrophobic coating on the inner wall of the vent pipe 11 ensures that the condensed water is quickly discharged from the vent pipe 11 to prevent the condensed water from accumulating in the vent pipe 11 and blocking the vent pipe 11.
  • the door liner 102 on the inner surface of the heat preservation door is provided with an elastic air chamber 4, and the second through hole is in communication with the elastic air chamber 4.
  • the outside air is filled with the elastic air chamber 4 through the vent pipe 11, and the elastic air chamber 4 expands due to the air pressure, and the expanded elastic air chamber 4 will occupy the volume inside the refrigeration equipment box, so that the inside of the box body The volume is reduced to achieve the air pressure balance inside and outside the box; and at the moment when the heat insulating door 1 is opened, the elastic air chamber 4 reverses the air inside the elastic air chamber 4 through the vent pipe 11 by the elastic force of the elastic air chamber 4 itself.
  • the vent pipe 11 may be provided with a molecular sieve as needed.
  • the performance entity of the elastic air chamber 4 can adopt various structures.
  • an elastic film may be used, that is, an inner surface of the heat insulating door 1 is provided with an elastic film, and an edge of the elastic film is sealed on the inner surface of the heat insulating door 1, and the elastic film covers the The elastic tube forms the elastic air chamber 4; or the inner tube of the vent tube 11 is connected with an elastic air bag, and the elastic air bag forms the elastic air chamber 4.
  • the inner surface of the heat insulating door 1 is formed with a groove 12, and the elastic air chamber 4 is located at the Said in the groove 12.
  • the elastic air chamber 4 is disposed in the recess 12, and the expansion process of the elastic air chamber 4 occurs in the recess 12, thereby minimizing the expansion of the elastic air chamber 4 and touching the items stored in the box 1;
  • the cavity 4 is formed of an elastic film, and an elastic film is disposed on a surface of the groove 12 connected to the nozzle of the vent pipe 11. The edge of the elastic film is sealed on the groove 12, and the elastic film covers the space.
  • the elastic membrane forms the elastic air chamber 4; for the elastic air chamber 4, an elastic airbag is used, and the inner nozzle is connected with an elastic airbag.
  • the inner surface of the heat insulating door 1 is provided with a pipe joint 13, a port of the pipe joint 13 is connected to the vent pipe 11, and an edge of the other port of the pipe joint 13 is formed.
  • the manner in which the valve 3 in the embodiment switches the vent tube 11 can take various forms.
  • the handle 2 is provided with a rotatable connecting rod, and the connecting rod is provided with a sealing ball, and the sealing ball is provided.
  • the sealing ball is disposed opposite to the first through hole; when the connecting rod is not stressed, the sealing ball seals the first through hole.
  • the handle 2 includes a base 21 and a rotating bracket 23, the base 21 is fixed on the outer casing 101, and the rotating bracket 23 is rotatably mounted on the base 21, A return torsion spring 231 is further disposed between the rotating bracket 23 and the base 21, and the valve 3 is fixed on the rotating bracket 23 by a sealing ball, and the sealing ball is opposite to the second through hole.
  • the sealing ball seals the first through hole to close the vent pipe when the rotating bracket 23 is unstressed.
  • the base 21 is further provided with an operation hole 211.
  • the bottom of the rotation bracket 23 is provided with a pressing handle 24 inserted into the operation hole 211. When the user opens the door, the handle 2 is pulled.
  • the pressing handle 24 applies an external force, and the rotating bracket 23 is rotated by pressing the handle 24 to move the sealing ball away from the first through hole.
  • the handle 2 is also provided with a decorative cover 22 which is fixed to the base 21 and covers the rotating bracket 23 to enhance the appearance of the product.
  • the invention also discloses a refrigeration device comprising the above-mentioned door body having a pressure balance function.
  • the door body having the air pressure balance function in the embodiment can adopt the door body with the air pressure balance function in the door body embodiment with the air pressure balance function of the present invention, and the specific structure can refer to the air balance function of the present invention.
  • the door body embodiment and the descriptions of FIGS. 1 to 3 are not described herein again.
  • the advantages and positive effects of the present invention are: when the elastic air chamber is connected to the vent pipe, in the actual use process, when the door body is opened under the condition that a negative pressure is formed inside the tank of the refrigeration device, The user drives the valve connected to the vent pipe to open, and the outside air enters the vent pipe, and due to the external pressure, the gas entering the vent pipe is filled with the elastic air cavity and the volume of the elastic air cavity is increased, thereby making the box The internal volume of the body becomes smaller to achieve the air pressure balance inside and outside the box. After the door body is opened, the elastic air chamber automatically resets under the action of its own elastic force to quickly discharge the internal air to the outside.
  • the external gas is It is confined in the elastic air chamber and finally discharged to the outside world, so as to prevent the outside air from entering the tank through the vent pipe, effectively avoiding the occurrence of frosting due to the entry of outside air from the vent pipe into the box, and achieving the door opening.
  • the frost inside the box is reduced due to the balance of the air pressure, so as to improve the user's embodiment.

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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)

Abstract

提供一种具有气压平衡功能的门体及制冷设备。门体包括保温门（1）和把手（2）。保温门（1）包括外壳（101）和门衬（102），外壳（101）和门衬（102）之间设置有保温层。保温门（1）中还设置有通气管（11），外壳（101）的侧壁开设有第一通孔，门衬（102）上开设有第二通孔，通气管（11）连接在第一通孔和第二通孔之间。把手（2）上设置有用于开关第一通孔的阀门（3）。在实现开门时达到箱体内外气压平衡的要求下，方便用户打开门体，以提高用户体验性。

Description

具有气压平衡功能的门体及制冷设备 技术领域
本发明涉及制冷设备，尤其涉及一种具有气压平衡功能的门体及制冷设备。
 背景技术
目前，制冷设备（冰箱、冷柜等）用的保温箱通常包括箱体和门体，在实际使用过程中，由于箱体内部的温度较低，导致箱体内外气压不平衡，箱体内部形成低压，这样在打开门体时，由于箱体内部负压作用，导致门体很难打开。
 技术问题
如何设计一种方便打开以提高用户体验性的制冷设备是本发明所要解决的技术问题。
 技术解决方案
本发明提供了一种具有气压平衡功能的门体及制冷设备，实现开门时达到箱体内外气压平衡的要求下，方便用户打开门体，以提高用户体现性。
为达到上述技术目的，本发明采用以下技术方案实现：
一种具有气压平衡功能的门体，包括保温门和把手，所述保温门包括外壳和门衬，所述外壳和所述门衬之间设置有保温层，所述保温门中还设置有通气管，所述外壳的侧壁开设在有第一通孔，所述门衬上开设有第二通孔，所述通气管连接在所述第一通孔和所述第二通孔之间，所述把手上设置有用于开关所述第一通孔的阀门。
本发明还提供一种制冷设备，包括上述具有气压平衡功能的门体。
 有益效果
与现有技术相比，本发明的优点和积极效果是：通过在保温门中设置通气管，并在把手上设置有用于开关通气管的阀门，用户在开门时，通过驱动阀门打开，使得通气管与外界连通，这样，在外界气压作用下，外界其他经过通气管进入到门体中以平衡制冷设备内的压力，开门时达到箱体内外气压平衡的要求下，方便用户开门以提高用户体验性。
 附图说明
图1为本发明具有气压平衡功能的门体实施例的局部结构示意图。
图2为本发明具有气压平衡功能的门体实施例中通气管与阀门和弹性气腔的组装图；
图3为本发明具有气压平衡功能的门体实施例的爆炸图。
 本发明的最佳实施方式
如图1-图3所示，本实施例具有气压平衡功能的门体，包括保温门1和把手2，所述保温门1包括外壳101和门衬102，所述外壳101和门衬102之间设置有保温层，所述保温门1中还设置有通气管11，所述外壳101的侧壁开设在有第一通孔（未标记），所述门衬102上开设有第二通孔（未标记），所述通气管11连接在所述第一通孔和所述第二通孔之间，所述把手2上设置有用于开关所述第一通孔的阀门3。
具体而言，本实施例具有气压平衡功能的门体的保温门1中设置有连通制冷设备箱体内外的通气管11，而通气管11的外管口与第一通孔连接，而第一通孔则通过阀门3进行封堵，在实际使用过程中，在保温门1关闭状态下，制冷设备箱体内部因温度低将形成负压，当用户需要打开保温门1时，仅需要驱动阀门3动作，使得通气管11通过第一通孔与外界连通，在外部的大气压的作用下，外界空气进入到通气管11中并进入到制冷设备箱体内部实现气压平衡，从而实现箱体内外气压平衡。
通过在保温门中设置通气管，并在把手上设置有用于开关通气管的阀门，用户在开门时，通过驱动阀门打开，使得通气管与外界连通，这样，在外界气压作用下，外界其他经过通气管进入到门体中以平衡制冷设备内的压力，开门时达到箱体内外气压平衡的要求下，方便用户开门以提高用户体验性。
其中，根据实际需要，通气管11可以进行如下配置：
一、所述通气管11的内壁设置疏水涂层（未图示），在实际使用过程中，阀门3打开，外界空气进入到通气管11中，外界空气所含有的水分预冷形成冷凝水，而通气管11内壁的疏水涂层能够确保冷凝水快速从通气管11排出，避免冷凝水在通气管11中积累而堵塞通气管11。
二、保温门的内表面的门衬102上设置有弹性气腔4，所述第二通孔与所述弹性气腔4连通。具体的，阀门3打开后，外界空气经过通气管11充满弹性气腔4，弹性气腔4因气压发生膨胀，膨胀的弹性气腔4将占用制冷设备箱体内部的容积，使得箱体内部的容积变小，从而实现箱体内外气压平衡；而在打开保温门1的瞬间，在弹性气腔4自身弹力作用下，弹性气腔4将其内部的空气又反向通过通气管11排到的外部，使得从通气管11进入的气体不会进入到制冷设备内部，从而可以杜绝在通气管11的内管口处发生结霜。优选的，通气管11可以根据需要设置有分子筛。其中，弹性气腔4的表现实体可以采用多种结构。例如：可以采用弹性膜的方式，即所述保温门1的内表面上设置有弹性膜，所述弹性膜的边缘密封设置在所述保温门1的内表面上，所述弹性膜遮盖住所述通气管11的内管口，所述弹性膜形成所述弹性气腔4；或者，所述通气管11的内管口连接有弹性气囊，所述弹性气囊形成所述弹性气腔4。优选的，为了避免弹性气腔4在充气膨胀过程中与制冷设备内部盛放的物品发生接触而破损，所述保温门1的内表面上形成有凹槽12，所述弹性气腔4位于所述凹槽12中。具体的，弹性气腔4设置在凹槽12中，弹性气腔4膨胀过程发生在凹槽12中，最大限度的减少弹性气腔4膨胀触碰到箱体1内存储的物品；对于弹性气腔4采用弹性膜，则在凹槽12与所述通气管11内管口连接的表面设置有弹性膜，所述弹性膜的边缘密封设置在所述凹槽12上，所述弹性膜遮盖住所述内管口，所述弹性膜形成所述弹性气腔4；对于弹性气腔4采用弹性气囊，则所述内管口连接有弹性气囊。进一步的，为了便于后期维护，所述保温门1的内表面设置有管道接头13，所述管道接头13的一端口与所述通气管11连接，所述管道接头13的另一端口的边缘形成有外翻边结构131，所述外翻边结131构贴靠在所述保温门1的内表面，所述外翻边结构131上设置有所述弹性气腔4，而所述管道接头13采用可拆卸的安装在所述保温门1上，以便于安装和后期维护。
另外，本实施例中的阀门3开关通气管11的方式可以采用多种形式，例如：所述把手2上设置有可转动的连接杆，所述连接杆上设置有密封球，所述密封球为所述阀门3，所述密封球与所述第一通孔相对设置；当所述连接杆未受力时，所述密封球封堵住所述第一通孔。优选的，为了方便用户使用，把手2包括基座21和转动支架23，所述基座21固定在所述外壳101上，所述转动支架23可转动的安装在所述基座21上，所述转动支架23与所述基座21之间还设置有复位扭簧231，阀门3采用密封球的结构形式并固定在所述转动支架23上，所述密封球与所述第二通孔相对设置；当所述转动支架23未受力时，所述密封球封堵住第一通孔以关闭所述通气管。具体的，所述基座21上还开设在有操作孔211，所述转动支架23的底部设置有插入到所述操作孔211中的按压手柄24，用户在开门时，手拉动把手2将对按压手柄24施加外力，通过按压手柄24带动转动支架23转动，以使得密封球远离第一通孔。而把手2还设置有装饰罩壳22，所述装饰罩壳22固定在所述基座21上并遮盖住所述转动支架23，以提高产品的外观效果。
本发明还公开了一种制冷设备包括上述具有气压平衡功能的门体。
具体而言，本实施例中的具有气压平衡功能的门体可以采用本发明具有气压平衡功能的门体实施例中的具有气压平衡功能的门体，其具体结构可以参见本发明具有气压平衡功能的门体实施例以及附图1-图3的记载，在此不再赘述。
与现有技术相比，本发明的优点和积极效果是：通过在通气管上连接弹性气腔，在实际使用过程中，当制冷设备的箱体内部形成负压的情况下打开门体时，用户通过把手驱动连接通气管的阀门打开，外界空气进入到通气管中，而由于外界压力较大，进入到通气管中的气体充满弹性气腔并使得弹性气腔的容积增大，从而使得箱体内部容积变小以实现箱体内外气压平衡，而在门体打开后，弹性气腔在自身弹力作用下自动复位将其内部的空气快速排出到外部，在气压平衡过程中，外界的气体被限制在弹性气腔中并最终被重新排放到外界，杜绝外界气体经由通气管进入到箱体内，有效的避免因外界气体由通气管进入到箱体而发生结霜的现象发生，实现开门时达到箱体内外气压平衡的要求下，减少因气压平衡而导致箱体内部结霜，以提高用户体现性。

Claims (10)

  1. 一种具有气压平衡功能的门体，其特征在于，包括保温门和把手，所述保温门包括外壳和门衬，所述外壳和所述门衬之间设置有保温层，所述保温门中还设置有通气管，所述外壳的侧壁开设在有第一通孔，所述门衬上开设有第二通孔，所述通气管连接在所述第一通孔和所述第二通孔之间，所述把手上设置有用于开关所述第一通孔的阀门。
  2. 根据权利要求1所述的具有气压平衡功能的门体，其特征在于，所述通气管的内壁设置疏水涂层。
  3. 根据权利要求1所述的具有气压平衡功能的门体，其特征在于，所述门衬上设置有弹性气腔，所述第二通孔与所述弹性气腔连通。
  4. 根据权利要求3所述的具有气压平衡功能的门体，其特征在于，所述保温门的内表面上设置有弹性膜，所述弹性膜的边缘密封设置在所述保温门的内表面上，所述弹性膜遮盖住所述通气管的内管口，所述弹性膜形成所述弹性气腔。
  5. 根据权利要求3所述的具有气压平衡功能的门体，其特征在于，所述第二通孔有弹性气囊，所述弹性气囊形成所述弹性气腔。
  6. 根据权利要求5所述的具有气压平衡功能的门体，其特征在于，所述保温门的内表面上形成有凹槽，所述弹性气囊位于所述凹槽中。
  7. 根据权利要求3所述的具有气压平衡功能的门体，其特征在于，所述第二通孔设置有管道接头，所述管道接头的一端口与所述通气管连接，所述管道接头的另一端口的边缘形成有外翻边结构，所述外翻边结构贴靠在所述保温门的内表面，所述外翻边结构上设置有所述弹性气腔。
  8. 根据权利要求1所述的具有气压平衡功能的门体，其特征在于，所述把手上设置有可转动的连接杆，所述连接杆上设置有密封球，所述密封球为所述阀门，所述密封球与所述通气管的外管口相对设置；当所述连接杆未受力时，所述密封球封堵住所述通气管的外管口。
  9. 根据权利要求1所述的具有气压平衡功能的门体，其特征在于，所述通气管中设置有分子筛。
  10. 一种制冷设备，其特征在于，包括如权利要求1-9任一所述的具有气压平衡功能的门体。
PCT/CN2017/114872 2016-12-30 2017-12-06 具有气压平衡功能的门体及制冷设备 WO2018121202A1 (zh)

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