CN108548362B - Refrigerator having drying zone and dehumidifying method of drying zone - Google Patents
Refrigerator having drying zone and dehumidifying method of drying zone Download PDFInfo
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- CN108548362B CN108548362B CN201810253209.7A CN201810253209A CN108548362B CN 108548362 B CN108548362 B CN 108548362B CN 201810253209 A CN201810253209 A CN 201810253209A CN 108548362 B CN108548362 B CN 108548362B
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- air
- drying area
- door
- refrigerator
- return
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D11/00—Self-contained movable devices, e.g. domestic refrigerators
- F25D11/02—Self-contained movable devices, e.g. domestic refrigerators with cooling compartments at different temperatures
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- 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
- F25D2317/041—Treating air flowing to refrigeration compartments by purification
- F25D2317/0411—Treating air flowing to refrigeration compartments by purification by dehumidification
Abstract
The invention provides a refrigerator with a drying area, which comprises a refrigerator body and a door body for opening and closing the refrigerator body, wherein the drying area is arranged on the door body, and the refrigerator body is provided with an air blowing port and an air return port; the drying area extends from the door body to the depth direction of the box body, so that when the door body is closed, the drying area enters the interior of the box body and the proportion R of the drying area to the size of the box body along the depth direction is not less than 1/10; the drying area is provided with an independent air supply duct and is positioned on an air return route of the box body from the air blowing port to the air return port. Through setting up the drying area on the return air way line of box for the drying area absorbs the heat and heaies up in the return air through the return air process of box and accomplishes the process of intensification dehumidification at the back of accomplishing the air supply cooling. Compared with the prior art, the heating device has simple structure and easy method, and overcomes the defect caused by heating by using the heating wire.
Description
Technical Field
The invention relates to the field of refrigeration equipment, in particular to a refrigerator with a drying area and a dehumidification method of the drying area.
Background
With the increase of social productivity, the requirements of people on the quality of life are increasingly increased. More and more refrigerators are provided with a dry area so that a user can store dry goods, medicines, and the like, which require humidity control. The drying area is arranged on the refrigeration door body, convenience of taking articles by a user can be improved, the multi-layer drying area on the door body is convenient to classify, the user can finely divide the drying area according to own needs, and different dry goods are prevented from tainting odor.
The dehumidification of the dry area is generally divided into two steps, namely, low-temperature and low-humidity air is fed in, and the original air with relatively high temperature and high humidity is replaced (CD process); and secondly, after the air supply is finished, the air door is closed, the drying area is heated, the saturated vapor pressure is increased along with the temperature increase, and the relative humidity is reduced (DA process).
The door body drying area can supply air through the evaporator, and the air path is added to the foaming layer between the inner container and the U shell to supply air, but the temperature return cannot be realized. For the drying zone provided in the refrigerating compartment, it is currently common to provide a heating wire near the drying zone, which is opened when the air supply damper is closed. Dehumidification is realized through the logic control of heating wires and air doors. However, if the heating wire is also arranged on the door body, the local temperature is high, and the risk of condensation exists.
In view of the above, it is desirable to provide a new refrigerator having a drying area and a method for dehumidifying the drying area to solve the above problems.
Disclosure of Invention
The invention aims to provide a refrigerator with a drying area and a dehumidification method of the drying area, which can realize the temperature return and dehumidification process of the drying area of a door body by a simple air path setting and control mode without arranging a door body heating wire.
In order to achieve the purpose, the invention adopts the following technical scheme:
a refrigerator with a drying area comprises a refrigerator body and a door body for opening and closing the refrigerator body, wherein the drying area is arranged on the door body, and a blowing port and a return air inlet are formed in the refrigerator body; the drying area extends from the door body to the depth direction of the box body, so that when the door body is closed, the drying area enters the interior of the box body and the proportion R of the drying area to the size of the box body along the depth direction is not less than 1/10; the drying area is provided with an independent air supply duct and is positioned on an air return route of the box body from the air blowing port to the air return port.
As a further improved technical scheme of the invention, the box body comprises a rear wall far away from the door body along the depth direction, and the air blowing port and the air return port are arranged on the rear wall.
As a further improved technical scheme of the invention, the box body is provided with a return air door for closing the return air inlet, and the blowing port is arranged above the return air inlet.
As a further improved technical scheme of the invention, the drying area is provided with an air inlet communicated with the air supply duct and an air door for closing the air inlet; when air is supplied to the drying area, the air door is opened; when the refrigerator returns air, the air door is closed.
As a further improved technical scheme of the invention, the drying area is provided with an air outlet and a baffle plate for closing the air outlet; when air is supplied to the drying area, the damp and hot air replaced by dry and cold air blows the baffle; when the refrigerator returns, the baffle is closed.
As a further improved technical scheme of the invention, the refrigerator comprises a controller, a humidity sensor is arranged in the drying area, and the controller selects whether to enter the drying area dehumidification step according to the measured value of the humidity sensor.
In order to achieve the above object, the present invention further provides a dehumidification method of a dry zone for the above refrigerator having the dry zone, including:
detecting the humidity of the drying area;
when the humidity is larger than a preset value, blowing air to the drying area for T1 time;
and after the time T1, stopping supplying air to the drying area, and starting return air for a time T2.
As a further improved technical scheme of the invention, the drying area is provided with an independent air supply duct, an air inlet communicated with the air supply duct and an air door for closing the air inlet, and the air door is opened within the time T1; during the time T2, the damper remains closed.
As a further improved technical scheme of the invention, the drying area is also provided with an air outlet and a baffle plate for closing the air outlet, and the baffle plate is blown open by wind within the time T1; during the time T2, the flapper remains closed.
As a further improved technical scheme of the invention, when the humidity is smaller than a preset value, the air door and the baffle are kept closed.
The invention has the beneficial effects that: according to the refrigerator provided by the invention, the drying area is arranged on the air return path line of the refrigerator body, so that after the air supply and cooling of the drying area are finished, the temperature of the drying area can be raised by absorbing heat from the return air in the air return process of the refrigerator body, and the temperature raising and dehumidifying process is finished. Compared with the prior art, the heating device has simple structure and easy method, and overcomes the defect caused by heating by using the heating wire.
Drawings
FIG. 1 is a schematic view of a refrigerator and its return air circuit in a preferred embodiment of the present invention;
fig. 2 is a schematic flow diagram of a dehumidification method of a drying zone in a preferred embodiment of the present invention.
Detailed Description
The present invention will be described in detail below with reference to specific embodiments shown in the drawings. These embodiments are not intended to limit the present invention, and structural, methodological, or functional changes made by those skilled in the art according to these embodiments are included in the scope of the present invention.
Terms such as "upper," "above," "lower," "below," and the like, used herein to denote relative spatial positions, are used for ease of description to describe one element or feature's relationship to another element or feature as illustrated in the figures. The spatially relative positional terms may be intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" the other elements or features. Thus, the exemplary term "below" can encompass both an orientation of above and below. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly. Also, it should be understood that, although the terms first, second, etc. may be used herein to describe various elements or structures, these described elements should not be limited by these terms. These terms are only used to distinguish these descriptive objects from one another.
As shown in fig. 1, a preferred embodiment of the present invention provides a refrigerator having a drying region 3, including a box body 1 and a door body 2 for opening and closing the box body 1, wherein the drying region 3 is provided on the door body 2, and the box body 1 is provided with an air blowing port (not shown) and an air return port (not shown).
Generally, a refrigerator body 1 includes a refrigerating chamber and a freezing chamber, and in a currently common refrigerator, the refrigerator body 1 further includes a temperature changing chamber or other refrigerating chamber having a specific function. In the present embodiment, the drying section 3 is provided in the refrigerating door 2 for opening and closing the refrigerating chamber, but the present invention is not limited to this, and in another embodiment, the drying section 3 may be provided in a door of a freezing chamber, a temperature-changing chamber, or another refrigerating chamber.
The drying area 3 is defined by a drying cabinet 31 and a drawer 30 disposed in the drying cabinet 31, the drying cabinet 31 is movably connected to the refrigerating door 2, and the drawer 30 can be drawn out relative to the drying cabinet 31 to facilitate the user to access the articles. As regards the structural arrangement of the drying zone 3 on the refrigerating door 2, there are already many publications that can be referred to and will not be described in detail here.
In the embodiment, the drying area 3 extends from the door body 2 to the depth direction of the box body 1, so that when the door body 2 is closed, the drying area 3 enters the inside of the box body 1 and the proportion R of the drying area 3 to the size of the box body 1 along the depth direction is not less than 1/10; the drying area 3 is provided with an independent air supply duct, and the drying area 3 is positioned on a return air route of the box body 1 for returning air from the air blowing port to the return air inlet.
Due to the structural arrangement of the drying area 3, when the box body 1 is in air return, cold air blown out from the air blowing port is heated up due to contact with fruits, vegetables and other foods in the process of flowing to the door body 2 along the depth direction, return air with heat passes through the drying area 3 in the process of continuously flowing to the air return port, the heat is transferred to the drying area 3 to heat the drying area 3, so that after independent air supply and temperature reduction of the drying area 3 are completed, the heat can be absorbed from the return air through the air return process of the box body 1 to heat and dehumidify, and the heating and dehumidifying process is completed.
The size of the drying area 3 entering the box body 1 along the depth direction is different according to the specification of the refrigerator, but the size ratio is not less than 1/10, so that in the process of returning air to the box body 1, the returned air inevitably passes through the drying area 3 and transfers heat to the drying area 3.
The box body 1 comprises a rear wall 11 far away from the door body 2 along the depth direction, and the air blowing port and the air return port are arranged on the rear wall 11. On mouthful and the return air inlet of blowing located back wall 11 for drying zone 3 is located the more end of return air route, and when cold wind flowed to the door body 2 along the direction of depth, must heat up after fruit vegetables and other food, and the outer wall of drying zone 3 is flowed through to the return air after the intensification, must produce the heat exchange with drying zone 3, makes the temperature rise of drying zone 3.
Further, the case 1 is provided with a return air damper (not shown) for closing the return air inlet, and the air outlet is provided above the return air inlet. The air supply from top to bottom of the cold air is beneficial to the uniform cooling of the box body 1, and the uneven wind exposure of the upper area caused by the sinking of the cold air is avoided. In the present embodiment, the refrigerating chamber is provided with a plurality of racks 12 along the height direction, the bottom of the refrigerating chamber is provided with a fruit and vegetable box 13, and the air blowing openings are arranged above the fruit and vegetable box 13 and each rack 12, so that the food stored in the racks 12 and the fruit and vegetable box 13 can be uniformly blown by the air, and the temperature consistency in the box body 1 can be maintained. In addition, the air return opening is formed in the bottom of the fruit and vegetable box 13, so that cold air can flow through each corner and then return air, and a refrigeration blind area is prevented. In the present embodiment, the door 2 is also provided with a plurality of drying zones 3 in the height direction, but the number of drying zones 3 is not limited.
Preferably, the drying area 3 is provided with an air inlet communicated with the air supply duct and an air door (not shown) for closing the air inlet; when air is supplied to the drying zone 3, the air door is opened; when the refrigerator returns, the damper is closed. The arrangement of the air inlet and the air door is beneficial to the refrigerator to accurately control the temperature and humidity of the drying area 3. The independent air supply duct of the drying area 3 and the air supply duct of the refrigerating chamber are mutually independently controlled and do not interfere with each other. Regarding the air ducts of the drying area 3 and the refrigerating chamber, the structure and control method of the micro air duct adopted in the present embodiment can refer to the prior art, and are not described in detail here. In a word, when the drying area 3 is independently supplied with air, the air door is opened to enable cold air to enter the drying area 3, original air with relatively high temperature and high humidity is replaced, and the cooling process is realized; when the refrigerating chamber returns air, cold air flows to the air return opening from the air blowing opening, and the air door of the drying area 3 is closed at the moment, so that moisture mixed in the return air is prevented from entering the drying area 3 to cause humidity rise. The structure and the opening and closing manner of the damper are well described in the prior art, and are not described herein again.
In the present embodiment, the drying zone 3 is provided with an air outlet and a shutter (not shown) for closing the air outlet; when air is supplied to the drying area 3, the damp and hot air replaced by dry and cold air blows the baffle; when the refrigerator returns, the baffle is closed. The setting up of air outlet is convenient for drying zone 3's cooling, improves the efficiency of cold and hot gas exchange when 3 air supplies of drying zone, and the air outlet is closed by the baffle during the return air to prevent that the return air that has the moisture passes through in the air outlet gets into drying zone 3.
Preferably, the refrigerator includes a controller (not shown), a humidity sensor (not shown) is provided in the drying zone 3, and the controller selects whether to enter the dehumidifying step in the drying zone 3 according to a measured value of the humidity sensor. Of course, the controller may control the dehumidification step of the refrigerator operation drying zone 3, and may also be used to control the temperature and humidity of the refrigerating chamber.
Referring to fig. 2, a preferred embodiment of the present invention also provides a dehumidifying method of a drying zone 3, comprising: detecting the humidity of the drying area 3; when the humidity is larger than the preset value, supplying air to the drying area 3 for T1 time; after time T1, the supply of air to the drying zone 3 was stopped, and the return air was started for time T2. Reading real-time humidity data of the drying area 3 by a humidity sensor, comparing the real-time humidity data with a preset standard value (taking 50% as an example), and when the humidity value is higher than the standard value, independently blowing air to the drying area 3 for opening T1 time (taking a second as an example), closing after a second, and completing a cold air replacement process; then, the return air damper is opened for T2 time (for example, b seconds) and then closed, thereby completing the temperature-raising and dehumidifying process.
Furthermore, the drying area 3 is provided with an independent air supply duct, an air inlet communicated with the air supply duct and an air door for closing the air inlet, and the air door is opened within T1 time; during time T2, the damper remains closed.
Preferably, the drying zone 3 is further provided with an air outlet and a baffle plate for closing the air outlet, and the baffle plate is blown away by wind within the time T1; during time T2, the flapper remains closed.
When the humidity is smaller than the preset value, the air door and the baffle are kept closed. Taking the standard value as 50% as an example, when the humidity value of the drying zone 3 is lower than 50%, the humidity of the drying zone 3 is considered to be in a normal state, and at this time, the air supply of the drying zone 3 is closed, that is, the damper and the damper of the drying zone 3 are both closed. The controller operates according to the refrigeration control logic, and the return air door is opened and closed according to the refrigeration control logic.
In conclusion, the refrigerator with the drying area 3 and the dehumidification method of the drying area 3 provided by the invention provide a simpler structure and an easy-to-implement control mode, so that the humidity of the drying area 3 of the door body 2 is accurately and reliably controlled, the real-time and effective adjustment of the humidity of the drying area 3 is realized, and the dehumidification method has obvious progress compared with the prior art.
It should be understood that although the present description refers to embodiments, not every embodiment contains only a single technical solution, and such description is for clarity only, and those skilled in the art should make the description as a whole, and the technical solutions in the embodiments can also be combined appropriately to form other embodiments understood by those skilled in the art.
The above-listed detailed description is only a specific description of a possible embodiment of the present invention, and they are not intended to limit the scope of the present invention, and equivalent embodiments or modifications made without departing from the technical spirit of the present invention should be included in the scope of the present invention.
Claims (4)
1. A refrigerator with a drying area comprises a refrigerator body and a door body for opening and closing the refrigerator body, wherein the drying area is arranged on the door body, and a blowing port and a return air inlet are formed in the refrigerator body; the method is characterized in that: the box body is provided with a return air door for closing the return air inlet, and the drying area extends from the door body to the depth direction of the box body, so that when the door body is closed, the drying area enters the interior of the box body and the proportion R of the drying area to the size of the box body along the depth direction is not less than 1/10; the drying area is provided with an independent air supply duct, an air inlet communicated with the air supply duct, an air door for closing the air inlet, an air outlet and a baffle for closing the air outlet; the refrigerator comprises a controller, and a humidity sensor is arranged in the drying area;
when the humidity of the drying area is smaller than a preset value, the air door and the baffle are kept closed;
when the humidity of the drying area is larger than a preset value, the air door is opened, the baffle is opened, air is supplied to the drying area for T1 time, then the air door and the baffle are closed, the return air door is opened, the refrigerator starts return air for T2 time, the drying area is located on a return air route of the box body, returning air from the air blowing port to the return air port, and then the return air door is closed.
2. The refrigerator having a drying zone as claimed in claim 1, wherein: the box body comprises a rear wall far away from the door body along the depth direction, and the air blowing port and the air return port are arranged on the rear wall.
3. The refrigerator having a drying zone as claimed in claim 2, wherein: the air blowing port is arranged above the air return port.
4. A dehumidification method of a drying area is used for a refrigerator with the drying area, the refrigerator comprises a refrigerator body and a door body for opening and closing the refrigerator body, the drying area is arranged on the door body, and an air blowing port and an air return port are arranged on the refrigerator body; the method is characterized in that: the box body is provided with a return air door for closing the return air inlet, and the drying area extends from the door body to the depth direction of the box body, so that when the door body is closed, the drying area enters the interior of the box body and the proportion R of the drying area to the size of the box body along the depth direction is not less than 1/10; the drying area is provided with an independent air supply duct, an air inlet communicated with the air supply duct, an air door for closing the air inlet, an air outlet and a baffle for closing the air outlet; the dehumidification method comprises the following steps:
detecting the humidity of the drying area;
when the humidity of the drying area is smaller than a preset value, the air door and the baffle are kept closed;
when the humidity is larger than a preset value, the air door is opened, the baffle is opened, air is supplied to the drying area and lasts for T1 time, after T1 time, the air door and the baffle are closed, the return air door is opened, air supply to the drying area is stopped, return air is started and lasts for T2 time, the drying area is located on an air return route of the box body from the air blowing port to the return air port, and then the return air door is closed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810253209.7A CN108548362B (en) | 2018-03-26 | 2018-03-26 | Refrigerator having drying zone and dehumidifying method of drying zone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810253209.7A CN108548362B (en) | 2018-03-26 | 2018-03-26 | Refrigerator having drying zone and dehumidifying method of drying zone |
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| Publication Number | Publication Date |
|---|---|
| CN108548362A CN108548362A (en) | 2018-09-18 |
| CN108548362B true CN108548362B (en) | 2021-05-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810253209.7A Active CN108548362B (en) | 2018-03-26 | 2018-03-26 | Refrigerator having drying zone and dehumidifying method of drying zone |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103968632A (en) * | 2013-01-31 | 2014-08-06 | 松下电器产业株式会社 | Drying device and refrigerator with same |
| CN104344633A (en) * | 2013-07-29 | 2015-02-11 | 苏州三星电子有限公司 | Refrigerator with humidity chamber |
| CN104567189A (en) * | 2014-11-26 | 2015-04-29 | 青岛海尔股份有限公司 | Dry storage device and ventilation method thereof |
| CN105466103A (en) * | 2014-08-29 | 2016-04-06 | 青岛海尔智能技术研发有限公司 | Refrigerator |
| CN206648393U (en) * | 2017-02-21 | 2017-11-17 | 青岛海高设计制造有限公司 | Door body assembly and refrigerator |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100276442A1 (en) * | 2009-05-01 | 2010-11-04 | Whirlpool Corporation | Personalized dry or bulk dispensing system |
-
2018
- 2018-03-26 CN CN201810253209.7A patent/CN108548362B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103968632A (en) * | 2013-01-31 | 2014-08-06 | 松下电器产业株式会社 | Drying device and refrigerator with same |
| CN104344633A (en) * | 2013-07-29 | 2015-02-11 | 苏州三星电子有限公司 | Refrigerator with humidity chamber |
| CN105466103A (en) * | 2014-08-29 | 2016-04-06 | 青岛海尔智能技术研发有限公司 | Refrigerator |
| CN104567189A (en) * | 2014-11-26 | 2015-04-29 | 青岛海尔股份有限公司 | Dry storage device and ventilation method thereof |
| CN206648393U (en) * | 2017-02-21 | 2017-11-17 | 青岛海高设计制造有限公司 | Door body assembly and refrigerator |
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| Publication number | Publication date |
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| CN108548362A (en) | 2018-09-18 |
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Address after: 266101 Haier Road, Laoshan District, Qingdao, Qingdao, Shandong Province, No. 1 Applicant after: Haier Zhijia Co.,Ltd. Address before: 266101 Haier Industrial Park, 1 Haier Road, Laoshan District, Shandong, Qingdao Applicant before: Qingdao Haier Joint Stock Co.,Ltd. |
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Effective date of registration: 20210423 Address after: 400000 No.1 Gangcheng South Road, Jiangbei District, Chongqing Applicant after: CHONGQING HAIER REFRIGERATION ELECTRIC Co.,Ltd. Applicant after: QINGDAO HAIER REFRIGERATOR Co.,Ltd. Applicant after: Haier Zhijia Co.,Ltd. Address before: 266101 No. 1 Haier Road, Laoshan District, Shandong, Qingdao Applicant before: Haier Zhijia Co.,Ltd. |
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