CN109855348B - Refrigerating and freezing device - Google Patents
Refrigerating and freezing device Download PDFInfo
- Publication number
- CN109855348B CN109855348B CN201711243149.2A CN201711243149A CN109855348B CN 109855348 B CN109855348 B CN 109855348B CN 201711243149 A CN201711243149 A CN 201711243149A CN 109855348 B CN109855348 B CN 109855348B
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- freezer
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- 238000007710 freezing Methods 0.000 title claims abstract description 26
- 230000008014 freezing Effects 0.000 title claims abstract description 26
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 81
- 239000001301 oxygen Substances 0.000 claims abstract description 81
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 81
- 239000007789 gas Substances 0.000 claims abstract description 47
- 239000003570 air Substances 0.000 claims description 31
- 239000012528 membrane Substances 0.000 claims description 31
- 238000005057 refrigeration Methods 0.000 claims description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 20
- -1 hydrogen ions Chemical class 0.000 claims description 12
- 239000001257 hydrogen Substances 0.000 claims description 11
- 229910052739 hydrogen Inorganic materials 0.000 claims description 11
- 238000006243 chemical reaction Methods 0.000 claims description 8
- 238000009792 diffusion process Methods 0.000 claims description 8
- 239000012080 ambient air Substances 0.000 claims description 5
- 238000006392 deoxygenation reaction Methods 0.000 claims description 2
- 230000005611 electricity Effects 0.000 claims description 2
- 238000005868 electrolysis reaction Methods 0.000 abstract description 13
- 235000013305 food Nutrition 0.000 abstract description 13
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 abstract description 8
- 230000029058 respiratory gaseous exchange Effects 0.000 abstract description 6
- 238000009434 installation Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 4
- 235000012055 fruits and vegetables Nutrition 0.000 abstract description 4
- 229910052757 nitrogen Inorganic materials 0.000 abstract description 4
- 230000004099 anaerobic respiration Effects 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000009920 food preservation Methods 0.000 abstract description 2
- 230000002000 scavenging effect Effects 0.000 description 13
- 230000004308 accommodation Effects 0.000 description 8
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 5
- 210000000078 claw Anatomy 0.000 description 4
- 239000002322 conducting polymer Substances 0.000 description 4
- 229920001940 conductive polymer Polymers 0.000 description 4
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 4
- 238000004321 preservation Methods 0.000 description 4
- 239000004812 Fluorinated ethylene propylene Substances 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 229920009441 perflouroethylene propylene Polymers 0.000 description 3
- 239000000376 reactant Substances 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical group O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 239000004480 active ingredient Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- HQQADJVZYDDRJT-UHFFFAOYSA-N ethene;prop-1-ene Chemical group C=C.CC=C HQQADJVZYDDRJT-UHFFFAOYSA-N 0.000 description 2
- 238000005187 foaming Methods 0.000 description 2
- XLYOFNOQVPJJNP-ZSJDYOACSA-N heavy water Substances [2H]O[2H] XLYOFNOQVPJJNP-ZSJDYOACSA-N 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910052697 platinum Inorganic materials 0.000 description 2
- 229920000172 poly(styrenesulfonic acid) Polymers 0.000 description 2
- 229940005642 polystyrene sulfonic acid Drugs 0.000 description 2
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 2
- 239000004810 polytetrafluoroethylene Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000000741 silica gel Substances 0.000 description 2
- 229910002027 silica gel Inorganic materials 0.000 description 2
- 229920002134 Carboxymethyl cellulose Polymers 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 230000004103 aerobic respiration Effects 0.000 description 1
- 230000003851 biochemical process Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 238000005370 electroosmosis Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000010408 film Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 239000002241 glass-ceramic Substances 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000035790 physiological processes and functions Effects 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 229920005594 polymer fiber Polymers 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
Images
Classifications
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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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D23/00—General constructional features
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- 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
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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
The present invention provides a refrigerating and freezing apparatus, comprising: storage drawer, electrolysis deoxidization subassembly, touch sensing device and electronic pneumatic valve. The electrolytic oxygen removal assembly is used for consuming oxygen in air in the storage space, so that nitrogen-rich and oxygen-poor gas atmosphere is obtained in the space to be beneficial to food preservation. The gas atmosphere reduces the oxygen breathing intensity of food (especially fruits and vegetables) by reducing the content of oxygen in the storage space, ensures the basic respiration effect, prevents the food from anaerobic respiration, and achieves the purpose of keeping the food fresh for a long time. When the touch sensing device detects that a user is about to open the storage drawer, the electric air valve opens the through hole in the drawer, so that the storage space is communicated with the inside and the outside, the pressure difference inside and the outside of the drawer is eliminated, and the problem that the drawer is difficult to open due to the installation of the electrolytic oxygen removal assembly is solved. The storage drawer is convenient for a user to open more laborsavingly, and the user experience is improved.
Description
Technical Field
The invention relates to the field of refrigeration and freezing, in particular to a refrigeration and freezing device.
Background
Modified atmosphere technology generally refers to technology for prolonging the storage life of food by adjusting the gas atmosphere (gas component ratio or gas pressure) of a closed space where stored objects are located, and the basic principle is as follows: in a certain closed space, a gas atmosphere different from normal air components is obtained through various regulation modes so as to inhibit physiological and biochemical processes and activities of microorganisms which cause the putrefaction and deterioration of stored objects (generally food materials). In particular, in the present application, the modified atmosphere preservation discussed will be specific to modified atmosphere preservation techniques that regulate the proportions of the gas components.
In some existing refrigerators, an oxygen reduction device is arranged in a certain closed space (drawer or compartment) inside the refrigerator, and the oxygen reduction device can reduce the oxygen content of the closed space, so that the purpose of modified atmosphere preservation is achieved. However, since the interior of these refrigerators is provided with an oxygen reduction device, the oxygen concentration inside the closed space gradually decreases and the air pressure becomes low. This situation tends to create a pressure differential between the interior and exterior of the enclosed space, which can lead to difficulty in opening by the user.
Disclosure of Invention
In view of the above, the present invention has been developed to provide a refrigeration and freezing apparatus that overcomes, or at least partially solves, the above-mentioned problems.
It is an object of the present invention to provide a gaseous atmosphere that is rich in nitrogen and lean in oxygen to facilitate the preservation of food.
It is another object of the present invention to facilitate the opening of the storage drawer by a user.
In one aspect, the present invention provides a refrigeration and freezing apparatus comprising: a box body, the interior of which forms a storage compartment of the refrigerating and freezing device; the storing drawer sets up inside the storage compartment, and its inside storing space that forms, it includes: the surface of the cylinder is provided with a through hole; the drawing part can be pushed into the cylinder body or drawn out from the cylinder body so as to open or close the storage space; the touch sensing device is arranged on the front end face of the drawing part and is configured to generate a trigger signal when a user contacts the front end face of the drawing part; the electric air valve is arranged on the through hole in an openable and closable manner, is electrically connected with the touch sensing device, and is configured to open the through hole when receiving the trigger signal so that the storage space is communicated with the external environment air.
Optionally, the electric gas valve comprises: the air valve body is fixed in the through hole, and an air channel for communicating the storage space with external ambient air is formed in the air valve body; the valve core is arranged in the gas channel and can move in two directions along the extending direction of the gas channel; and the motor is connected with the tail end of the valve core and is configured to drive the valve core to move for a preset distance along the direction far away from the cylinder body after receiving the trigger signal so as to open the gas channel.
Optionally, the motor is further configured to wait for a preset time after the valve plug is driven to open the gas passage, and then drive the valve plug to move a preset distance in a direction close to the cylinder to close the gas passage again.
Alternatively, the through hole is provided on the back surface of the cylinder, and the gas passage extends in the front-rear direction of the refrigerating and freezing apparatus.
Optionally, the refrigeration and freezing apparatus further comprises: the inner container is arranged on the inner side of the box body; wherein the motor is fixedly arranged on the inner container at the rear part of the cylinder body.
Optionally, a groove for a user to grasp is formed in the front end face of the drawing part, and the touch sensing device is arranged in the groove.
Optionally, the refrigeration and freezing apparatus further comprises: an electrolytic deoxygenation assembly; wherein the top surface of barrel is provided with the opening on, and electrolysis deoxidization subassembly detachably sets up in the opening part, configures to through the inside oxygen of electrolysis reaction consumption storing space.
Optionally, the electrolytic oxygen removal assembly further comprises: an anode plate configured to electrolyze water vapor to generate hydrogen ions and oxygen; a cathode plate configured to generate water by reacting hydrogen ions with oxygen; and a proton exchange membrane sandwiched between the cathode plate and the anode plate, configured to transport hydrogen ions from the anode plate side to the cathode plate side; wherein the surface of the cathode plate, which faces away from the proton exchange membrane, is at least partially exposed inside the storage space, and the surface of the anode plate, which faces away from the proton exchange membrane, is at least partially exposed outside the storage space.
Optionally, the electrolytic oxygen removal assembly further comprises: and the fan is arranged on one side of the anode plate back to the proton exchange membrane so as to blow the water vapor outside the storage drawer to the anode plate.
Optionally, the electrolytic oxygen removal assembly further comprises: and the two diffusion layers are respectively arranged between the anode plate and the proton exchange membrane and between the cathode plate and the proton exchange membrane and are used for conducting electricity and allowing water vapor to diffuse.
The invention provides a device for refrigerating and freezing, comprising: storage drawer, electrolysis deoxidization subassembly, touch sensing device and electronic pneumatic valve. The electrolytic oxygen removal assembly is used for consuming oxygen in air in the storage space, so that nitrogen-rich and oxygen-poor gas atmosphere is obtained in the space to be beneficial to food preservation. The gas atmosphere reduces the oxygen breathing intensity of food (especially fruits and vegetables) by reducing the content of oxygen in the storage space, ensures the basic respiration effect, prevents the food from anaerobic respiration, and achieves the purpose of keeping the food fresh for a long time. Because the battery that supplies power to positive plate and negative plate can set up in cold-stored refrigeration plant's box foaming layer, sets up electrolysis deoxidization subassembly at storage drawer top surface, is convenient for supply power to electrolysis deoxidization subassembly from the box, and the user of being convenient for simultaneously still installs and dismantles electrolysis deoxidization subassembly. The electrolysis deoxidization subassembly sets up and can fully contact with the indoor air in cold-stored room at storing drawer top, and after near aqueous vapor of electrolysis deoxidization subassembly was consumed, the aqueous vapor of other positions can be supplemented fast, maintains that the reaction goes on fast. Thus, this arrangement also improves the operating efficiency of the electrolytic oxygen removal assembly.
Further, the refrigerating and freezing apparatus of the present invention further comprises: a touch sensing device and an electric gas valve. When the electrolytic deoxidizing component works, oxygen in the storage space is consumed, so that the air pressure in the storage space is reduced. Therefore, the storage drawer with the electrolytic oxygen removal assembly is easy to generate pressure difference between the inside of the storage space and the outside, thereby causing difficulty for users to open the drawer. The cold-stored refrigerating plant of this embodiment, when touch sensing device detects the user and will open the storing drawer, the through-hole on the drawer is opened to electronic pneumatic valve for the inside and outside intercommunication of storing space eliminates the inside and outside pressure differential of drawer, has solved the problem that the drawer that causes is difficult to open because installation electrolysis deoxidization subassembly. The storage drawer is convenient for a user to open more laborsavingly, and the user experience is improved.
Furthermore, each part of the electrolytic oxygen removal assembly is integrated in the containing box, when a user needs to use the oxygen removal function of the storage drawer, the containing box is inserted into the preset opening of the cylinder body, the power supply of the battery is switched on, and the electrolytic oxygen removal assembly starts to perform electrolytic oxygen removal. If the user does not need the deoxidization function, will hold the box and wholly extract can. According to the storage drawer, the electrolytic deoxidizing component is more convenient to disassemble and install, and the use experience of a user is improved.
The above and other objects, advantages and features of the present invention will become more apparent to those skilled in the art from the following detailed description of specific embodiments thereof, taken in conjunction with the accompanying drawings.
Drawings
Some specific embodiments of the invention will be described in detail hereinafter, by way of illustration and not limitation, with reference to the accompanying drawings. The same reference numbers in the drawings identify the same or similar elements or components. Those skilled in the art will appreciate that the drawings are not necessarily drawn to scale. In the drawings:
FIG. 1 is a schematic view of a refrigeration freezer apparatus according to one embodiment of the invention;
figure 2 is a partial side sectional view of a refrigeration freezer in accordance with one embodiment of the invention;
FIG. 3 is a schematic view of a storage drawer of a refrigerated freezer according to one embodiment of the present invention;
FIG. 4 is an exploded schematic view of a storage drawer of a refrigerated freezer according to one embodiment of the present invention;
FIG. 5 is a rear view of a storage drawer of a refrigerated freezer according to one embodiment of the present invention;
FIG. 6 is a partial schematic view of the rear side of a storage drawer of a refrigerated freezer according to one embodiment of the invention;
FIG. 7 is a schematic view of an electrolytic oxygen scavenging assembly of a refrigeration freezer in accordance with one embodiment of the present invention;
FIG. 8 is an exploded schematic view of an electrolytic oxygen scavenging assembly of a refrigeration freezer in accordance with one embodiment of the present invention;
FIG. 9 is a schematic view of a containment case for an electrolytic oxygen scavenging assembly of a refrigerated freezer in accordance with one embodiment of the present invention;
figure 10 is a top partial schematic view of a storage drawer of a refrigerated freezer according to one embodiment of the present invention.
Detailed Description
The invention provides a refrigerating and freezing device which can be a refrigerator, an ice chest and the like. In this embodiment, the refrigerating and freezing device is an air-cooled refrigerator, as shown in fig. 1 and 2, the refrigerator includes: a cabinet, a locker drawer 100, a touch sensing device 500, and an electric gas valve 300. The interior of the box body forms a storage compartment of the refrigerating and freezing device. The storage compartment of the refrigerator includes: a refrigerating compartment and a freezing compartment located below the refrigerating compartment. The locker drawer 100 is composed of a cylinder 111 and a drawing part 112, and the locker drawer 100 is disposed at the bottom of a refrigerating compartment of the refrigerator. The refrigerating and freezing device further comprises: the inner container 410, the inner container 410 is arranged inside the box body. A plurality of pairs of ribs are provided at both sides of the inside of the refrigerating compartment inner container 410, wherein a pair of ribs at the bottom of the refrigerating compartment is used to define the installation position of the drawer. The surface of the cylinder 111 is provided with a through hole for installing the electric air valve 300. The drawing part 112 may be pushed into or drawn out of the inside of the cylinder 111 to open or close the storage space.
The touch sensing device 500 is disposed on the front end surface of the drawing part and configured to generate a trigger signal when a user contacts the front end surface of the drawing part. In this embodiment, the touch sensing device 500 may be a pressure sensor that determines whether the user grips the drawer by detecting a pressure change of the front end surface of the drawer 112. The front end surface of the pull-out portion 112 is further provided with a groove for a user to grasp, and the touch sensing device 500 is disposed in the groove. In other embodiments, the touch sensing device 500 may be any one of an electrostatic touch switch, a temperature sensor, and the like.
The electric air valve 300 is openably and closably disposed on the through hole and configured to open the through hole when receiving a trigger signal, so that the storage space communicates with the external ambient air.
The electric gas valve 300 further comprises: a valve body 310, a valve core 320 and a motor 330. The valve body 310 is fixed in the through hole. In this embodiment, the valve body 310 can be glued to the edge of the through hole. The size of the cross section of the air valve body 310 is the same as the aperture size of the through hole so as to prevent the gas inside the storage space from leaking, and a gas channel for communicating the storage space with the external ambient air is formed inside the air valve body 310. The valve element 320 is disposed in the gas passage and can move in both directions along the extending direction of the gas passage. The length of the valve spool 320 is greater than the length of the gas passage to facilitate movement of the valve spool 320 within the gas passage. The motor 330 is connected to the end of the valve core 320 located outside the storage space. In this embodiment, the motor 330 is a stepping motor 330, which can drive the valve core 320 to move in both directions in the gas passage. The motor 330 is configured to drive the valve core 320 to move a preset distance in a direction away from the cylinder 111 when receiving a trigger signal, so that the valve core 320 is away from the gas valve body 310 to open a gas passage. The motor 330 is further configured to wait a predetermined time after driving the valve plug 320 to open the gas passage, and then drive the valve plug 320 to move a predetermined distance in a direction close to the cylinder 111 to re-close the gas passage. In this embodiment, the predetermined distance may be 2-3mm, and the predetermined time may be 1-2 s.
In the present embodiment, as shown in fig. 5, the through hole is provided on the back surface of the cylinder, and the gas passage extends in the front-rear direction of the refrigerating and freezing apparatus. The motor 330 is fixed on the inner container 410 behind the cylinder and is located in the space formed by the inner container 410 and the box body. The motor 330 may be integrated into a case integrally fixed to the rear surface of the inner container 410. A circular hole is formed in the inner container to allow one end of the valve core 320 to pass therethrough and be connected to the motor 330 on the other side.
The working process of the electric air valve 300 of the embodiment is specifically as follows: when a user wishes to open the storage drawer 100, the user first grasps the recess in the front face of the drawer 112. The touch sensing device 500 inside the groove generates a trigger signal and transmits the trigger signal to the electric gas valve 300 after sensing the user contact. The electric gas valve 300 receives the trigger signal and drives the valve core 320 to move backwards to expose the gas channel. The storage space is in communication with the ambient atmosphere and the pressure within and outside the storage drawer 100 will remain the same. In the refrigerating and freezing device of the present embodiment, the storage drawer 100 is in the closed state for a long time, and the gas composition in the storage space may be changed, for example: aerobic respiration of fruits and vegetables can result in a decrease in oxygen concentration inside the space. As a result, the internal air pressure within the storage space may be lower than the external air pressure, causing a difference in internal and external pressure within the storage drawer, which may result in resistance to the user opening the storage drawer 100. The cold-stored refrigeration device of this embodiment when detecting that the user will open the storing drawer, makes the inside and outside intercommunication of storing space through controlling electronic pneumatic valve 300, eliminates the inside and outside pressure differential of drawer to the user opens storing drawer 100 more laborsavingly.
In this embodiment, as shown in fig. 3 and 4, the refrigerating and freezing apparatus further includes: electrolytic oxygen scavenging assembly 200. The top surface of the cylinder 111 is provided with an opening. An electrolytic oxygen scavenging assembly 200 is formed at the opening and is configured to consume oxygen within the modified atmosphere space via an electrolytic reaction.
In this embodiment, the opening is a rectangular opening for mounting the electrolytic oxygen scavenging assembly 200. The electrolytic oxygen removal assembly 200 is sized to fit the opening so that it can completely close the opening and prevent gas exchange between the interior of the storage space and the outside.
As shown in fig. 8, electrolytic oxygen scavenging assembly 200 comprises: a cell, an anode plate 220, a cathode plate 230, and a proton exchange membrane 210 sandwiched between the cathode plate 230 and the anode plate 220. The battery may be disposed on the storage drawer 100 or may be disposed outside of the storage drawer 100. The surface of the cathode plate 230 facing away from the pem 210 is at least partially exposed to the interior of the storage space, and the surface of the anode plate 220 facing away from the pem 210 is at least partially exposed to the exterior of the storage space. That is, the electrolytic oxygen removal assembly 200 has at least 3 layers, which are an anode plate 220, a proton exchange membrane 210 and a cathode plate 230 from top to bottom, wherein the anode plate 220 faces the outside of the storage space, and the cathode plate 230 faces the inside of the storage space. Each layer of structure is parallel to the plane of the opening, and the area of each layer is the same as the size of the opening.
Preferably, the cathode plate 230 and the anode plate 220 are carbon electrode plates or platinum electrode plates, and carbon electrodes with platinum plating on the surfaces are generally used. The edges of the anode plate 220 and the cathode plate 230 are each provided with a terminal, an anode plate terminal 221 and a cathode plate terminal 231, respectively, for connecting the anode and cathode of the cell, respectively. The cell provides electrons to the cathode plate 230 while the anode plate 220 provides electrons to the cell anode. The anode plate 220 is configured to electrolyze water vapor, producing protons and oxygen. The proton exchange membrane 210 is configured to transport protons from the anode plate 220 side to the cathode plate 230 side. The cathode plate 230 is configured to generate water by reacting protons and oxygen. Wherein, the chemical reaction formula of anode plate and negative plate is respectively:
an anode plate: 2H2O→O2+4H++4e-
A negative plate: o is2+4H++4e-→2H2O
Specifically, the anode of the battery charges the anode plate 220, water vapor outside the storage drawer 100 is electrolyzed at one side of the anode plate 220 to generate hydrogen ions and oxygen, the oxygen is discharged to the outside of the storage space, and the hydrogen ions enter the proton exchange membrane 210. The cathode of the battery charges the cathode plate 230 and provides electrons to the cathode plate 230, and the hydrogen ions provided by the proton exchange membrane 210 react with the oxygen inside the storage space on one side of the cathode plate 230 to generate water, thereby consuming the oxygen inside the storage space.
The proton exchange membrane 210 includes: a proton-conducting polymer, a porous membrane, and at least one active ingredient. At least one active ingredient is dispersed in the proton-conducting polymer, and the proton-conducting polymer is absorbed into and fills the pores of the porous film. The proton exchange membrane 210 serves to allow hydrogen ions to pass through, so that hydrogen ions generated by the reaction of the anode plate 220 are transported to the cathode plate 230 for reaction of the cathode plate 230.
Preferably, the proton conducting polymer is polystyrene sulfonic acid (PSSA) or carboxymethyl cellulose (CMC). The porous membrane is Polytetrafluoroethylene (PTFE) or Fluorinated Ethylene Propylene (FEP) or polyolefin film or fluorinated ethylene propylene or glass fiber or ceramic fiber or polymer fiber; the active component is silica gel suitable for electroosmotic flow, and the dispersed silica gel concentration is no more than 5% of the mass of the proton exchange membrane.
In this embodiment, the electrolytic oxygen scavenging assembly 200 may further comprise: two elastic plates 240 are respectively disposed at the outer sides of the anode plate 220 and the cathode plate 230 for clamping the anode plate 220, the proton exchange membrane 210 and the cathode plate 230. The electrolytic oxygen removing assembly 200 further comprises a plurality of fastening screws, a plurality of screw holes 201 are formed in the positions, close to the edges, of the two elastic plates 240, the anode plate 220, the proton exchange membrane 210 and the cathode plate 230, and each fastening screw penetrates through the screw holes 201 in the same position of the plurality of parts in sequence to realize the fixation and clamping of the multilayer parts. The sides of the two elastic plates 240 facing the cathode plate 230 and the anode plate 220 are respectively provided with a plurality of elastic protrusions 284, and the positions of the elastic protrusions 284 on the two elastic plates 240 correspond, that is, each elastic protrusion 284 can be matched with one elastic protrusion 284 on the other plate to press the anode plate 220 and the cathode plate 230 together for further clamping the proton exchange membrane 210. The middle part of each elastic plate 240 is hollowed out, or a plurality of air holes are uniformly formed, so as to allow air to pass through.
In this embodiment, electrolytic oxygen scavenging assembly 200 can further comprise: a diffusion layer 270, an activated carbon filter screen, and one or more gaskets 260. The diffusion layer 270 is located between the anode plate 220 and the proton exchange membrane 210 and between the cathode plate 230 and the proton exchange membrane 210, and the material of the diffusion layer 270 is a titanium mesh with a platinum-plated surface, which is used for facilitating electric conduction and allowing water vapor to diffuse. The activated carbon filter screen is disposed on a side of the anode opposite to the proton exchange membrane 210 for purifying the gas entering the anode plate 220. At least one gasket 260 may be positioned between the above-described multi-layered structures, and each gasket 260 is a thin rectangular ring having the same size as the cathode plate 230 and the anode plate 220. Each gasket 260 is made of an elastic material to buffer a pressing force between adjacent layers.
Electrolytic oxygen scavenging assembly 200 further comprises: a fan 250. The fan 250 may be a micro axial fan 250. The blower 250 is disposed on a side of the anode plate 220 opposite to the pem 210, and has a rotation axis perpendicular to the anode plate 220 for blowing the water vapor outside the storage drawer 100 toward the anode. The reactant of the anode plate of the electrolytic oxygen removal assembly 200 of this embodiment is water vapor, and therefore, the anode plate needs to be continuously replenished with water so that the electrolytic reaction can be continuously performed. When the electrolytic oxygen removal assembly 200 is turned on, the battery supplies power to the cathode plate 230 and the anode plate 220 respectively, the fan 250 is turned on, and the fan 250 blows air to the anode plate 220 and simultaneously blows water vapor in the air to the anode plate 220 so as to provide reactants to the anode plate 220. Because of the generally low internal temperature of a refrigeration and freezing apparatus, the storage compartment within the refrigeration and freezing apparatus has a relatively humid atmosphere, which contains a significant amount of water vapor in the air. Thus, the air in the storage compartment can provide sufficient reactant to the anode plates 220 without the need for a separate water source or delivery device for the electrolytic oxygen scavenging assembly 200.
In this embodiment, the multi-layer structure of the cathode plate 230, the anode plate 220, and the proton exchange membrane 210 are integrated into a container 280 to facilitate the assembly and disassembly of the electrolytic oxygen removal assembly 200. The containment box 280 may be completely embedded within the walls of the storage drawer 100 or may be partially embedded.
As shown in FIG. 9, the X direction is defined as the length direction of the housing box 280, Y is the width direction, and Z is the height direction. The top of the containing box 280 is opened with a rectangular mounting opening for installing each component in the electrolytic oxygen removing assembly 200, and the size of the mounting opening is matched with the size of the cathode plate 230 and the anode plate 220. The bottom surface of the containment box 280 is hollowed out to allow gas to pass through, and in this embodiment, a cross bracket 286 is also secured to the bottom surface of the containment box 280 to support the various components of the electrolytic oxygen removal assembly 200.
One of the side walls of the accommodation box 280 is also provided with two through holes 285 to allow the anode plate terminal 221 and the cathode plate terminal 231 to protrude. The anode plate terminal 221 or the cathode plate terminal 231 extends out of the containing box 280 and then is connected with the cathode and the anode of the external battery through a line.
The edge of the mounting opening also has a collar 282 projecting outwardly of the receptacle 280 for overlapping the receptacle 280 at the edge of the opening. When the container 280 is overlapped at the opening edge, the flange 282 may seal the gap between the cylinder and the container 280 to prevent the gas inside the storage space from leaking. The flange 282 has at least two spaced notches 283, wherein the two notches 283 are positioned to face the anode plate terminal 221 and the cathode plate terminal 231 to expose the two terminals for easy connection of wires, and the notches 283 also provide convenience for a user to take the container 280 during the process of disassembling the electrolytic oxygen removal assembly 200.
As shown in FIG. 10, a plurality of jaws 113 are provided at the opening edge of the cylinder 111, and a plurality of protrusions 284 are correspondingly provided on the outer side surface of the accommodation box 280, and the jaws 113 catch the protrusions 284 to enable the accommodation box 280 to be mounted. In the present embodiment, the outer surface of each sidewall of the accommodation box 280 is provided with two protrusions 284, the two protrusions 284 are disposed at intervals along the length or width direction of the accommodation box 280, and the two protrusions 284 are at the same height position of the accommodation box 280. Two claws 113 are correspondingly arranged on each edge of the opening of the cylinder body 111, the two claws 113 are vertically arranged upwards, and the tail ends of the claws are used for clamping protrusions 284 on the side wall of the accommodating box 280 so as to fix the accommodating box 280.
When assembling the electrolytic oxygen removal assembly 200, the cathode plate 230, the anode plate 220, the proton exchange membrane 210, the gasket 260, the elastic plate 240, the diffusion layer 270 and other components are arranged according to the above-mentioned positional relationship to form a multi-layer structure, and then the multi-layer structure is integrally placed inside the accommodation box 280. The layer arrangement direction of the multi-layer structure coincides with the height direction of the accommodation box 280. In this embodiment, the multilayer structure inside the housing box 280 is, from top to bottom: fan 250, spring plate 240, gasket 260, anode plate 220, gasket 260, diffusion layer 270, proton exchange membrane 210, diffusion layer 270, gasket 260, cathode plate 230, gasket 260, and spring plate 240. When the electrolytic oxygen removal assembly 200 is installed, the assembled electrolytic oxygen removal assembly 200 is inserted into the opening of the cylinder 111 as a whole, and when the flange of the housing box 280 abuts against the edge of the opening, the plurality of claws 113 just catch the protrusions 284 on the side wall of the housing box 280, so that the housing box 280 is fixed, and the installation of the electrolytic oxygen removal assembly 200 is completed. If the user does not require the oxygen scavenging function of the storage drawer 100, the entire containment box 280 may be removed.
The storage drawer 100 of the present embodiment includes: electrolytic oxygen scavenging assembly 200. The electrolytic oxygen removal assembly 200 is used to consume oxygen from the air in the storage space to obtain a nitrogen-rich and oxygen-lean atmosphere in the space that is conducive to preserving food. The gas atmosphere reduces the oxygen breathing intensity of food (especially fruits and vegetables) by reducing the content of oxygen in the storage space, ensures the basic respiration effect, prevents the food from anaerobic respiration, and achieves the purpose of keeping the food fresh for a long time.
The electrolytic oxygen removal assembly 200 is placed on the upper portion of the drawer, and batteries supplying power to the anode plate 220 and the cathode plate 230 can be arranged in the foaming layer of the box body, so that the electrolytic oxygen removal assembly 200 is conveniently powered from the box body, and meanwhile, a user can conveniently install and detach the electrolytic oxygen removal assembly. Because the drawer sets up in cold-stored room bottom, electrolysis deoxidization subassembly 200 sets up and can fully contact with the indoor air in cold-stored room at the drawer top, and after near the aqueous vapor of electrolysis deoxidization subassembly was consumed, the air cycle of air-cooled refrigerator was very fast, and the aqueous vapor of other positions can be replenished fast, and it goes on fast to maintain the reaction. Thus, positioning the electrolytic oxygen removal assembly 200 on top of the drawer can improve the operating efficiency of the electrolytic oxygen removal assembly 200.
When the electrolytic oxygen removal assembly 200 is in operation, oxygen in the storage space is consumed, which may result in a gradual decrease in the pressure of the interior of the storage space. Thus, the storage drawer 100 with the electrolytic oxygen removal assembly 200 installed therein is more likely to have a pressure differential between the interior of the storage space and the outside, which can make it difficult for a user to open the drawer. The cold-stored refrigeration device of this embodiment detects the user at touch sensing device 500 and will open the storing and take out, and during 100, electric air valve 300 opens the through-hole on the drawer for the inside and outside intercommunication of storing space eliminates the inside and outside pressure differential of drawer, has solved the problem that the drawer that causes is difficult to open because the installation electrolysis deoxidization subassembly. The storage drawer 100 is convenient for a user to open more laborsavingly, and the user experience is improved.
It will be understood by those skilled in the art that, unless otherwise specified, terms used to indicate orientation or positional relationship in the embodiments of the present invention such as "upper", "lower", "left", "right", "front", "rear", and the like are based on actual use of the refrigeration and freezing apparatus, and are used only for convenience of description and understanding of the technical solutions of the present invention, and do not indicate or imply that the apparatus or components referred to must have a specific orientation, and therefore, are not to be construed as limiting the present invention.
Thus, it should be appreciated by those skilled in the art that while a number of exemplary embodiments of the invention have been illustrated and described in detail herein, many other variations or modifications consistent with the principles of the invention may be directly determined or derived from the disclosure of the present invention without departing from the spirit and scope of the invention. Accordingly, the scope of the invention should be understood and interpreted to cover all such other variations or modifications.
Claims (10)
1. A refrigeration chiller comprising:
a box body, wherein a storage compartment of the refrigerating and freezing device is formed inside the box body;
the storage drawer, set up in inside the storage compartment, its inside storing space that forms, it includes:
the surface of the cylinder is provided with a through hole; and
a drawing part which can be pushed into the cylinder body or drawn out from the cylinder body so as to open or close the storage space;
the touch sensing device is arranged on the front end face of the drawing part and is configured to generate a trigger signal when a user contacts the front end face of the drawing part;
and the electric air valve is arranged on the through hole in an openable and closable manner, is electrically connected with the touch sensing device and is configured to open the through hole after receiving the trigger signal so that the storage space is communicated with the external ambient air.
2. The refrigeration chiller of claim 1, wherein the electrically powered gas valve comprises:
the air valve body is fixed in the through hole, and an air channel for communicating the storage space with external ambient air is formed in the air valve body;
the valve core is arranged in the gas channel and can move in two directions along the extending direction of the gas channel; and
and the motor is connected with the tail end of the valve core and is configured to drive the valve core to move for a preset distance along the direction away from the cylinder body so as to open the gas channel when receiving the trigger signal.
3. A refrigerator-freezer as claimed in claim 2, wherein the freezer is arranged to cool the container
The motor is also configured to wait for a preset time after the valve core is driven to open the gas channel, and then drive the valve core to move for the preset distance along the direction close to the cylinder body so as to close the gas channel again.
4. A refrigerator-freezer according to claim 3, wherein the freezer is a refrigerator-freezer
The through hole is arranged on the back surface of the cylinder, and the gas channel extends along the front-back direction of the refrigeration and freezing device.
5. The refrigeration freezer of claim 4, further comprising:
the inner container is arranged on the inner side of the box body; wherein
The motor is fixedly arranged on the inner container behind the barrel.
6. A refrigerator-freezer as claimed in claim 1, wherein the freezer is arranged to cool the container
The front end face of the drawing part is provided with a groove for a user to grasp, and the touch sensing device is arranged in the groove.
7. The refrigeration freezer of any one of claims 1-6, further comprising:
an electrolytic deoxygenation assembly; wherein
The top surface of the barrel is provided with an opening, and the electrolytic oxygen removal assembly is detachably arranged at the opening and is configured to consume oxygen in the storage space through electrolytic reaction.
8. The refrigeration chiller of claim 7, wherein the electrolytic oxygen removal assembly further comprises:
an anode plate configured to electrolyze water vapor to generate hydrogen ions and oxygen;
a cathode plate configured to generate water by reacting hydrogen ions with oxygen; and
a proton exchange membrane sandwiched between the cathode plate and the anode plate, configured to transport hydrogen ions from the anode plate side to the cathode plate side; wherein
The side of the cathode plate, which faces away from the proton exchange membrane, is at least partially exposed inside the storage space, and the side of the anode plate, which faces away from the proton exchange membrane, is at least partially exposed outside the storage space.
9. The refrigeration chiller of claim 8, wherein the electrolytic oxygen removal assembly further comprises:
and the fan is arranged on one side of the anode plate, which faces away from the proton exchange membrane, so as to blow water vapor outside the storage drawer towards the anode plate.
10. The refrigeration chiller of claim 9, wherein the electrolytic oxygen removal assembly further comprises:
and the two diffusion layers are respectively arranged between the anode plate and the proton exchange membrane and between the cathode plate and the proton exchange membrane and are used for conducting electricity and allowing water vapor to diffuse.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711243149.2A CN109855348B (en) | 2017-11-30 | 2017-11-30 | Refrigerating and freezing device |
| PCT/CN2018/117316 WO2019105306A1 (en) | 2017-11-30 | 2018-11-23 | Refrigeration and freezing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711243149.2A CN109855348B (en) | 2017-11-30 | 2017-11-30 | Refrigerating and freezing device |
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| Publication Number | Publication Date |
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| CN109855348A CN109855348A (en) | 2019-06-07 |
| CN109855348B true CN109855348B (en) | 2020-03-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711243149.2A Active CN109855348B (en) | 2017-11-30 | 2017-11-30 | Refrigerating and freezing device |
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| Country | Link |
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| CN (1) | CN109855348B (en) |
| WO (1) | WO2019105306A1 (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112747549B (en) * | 2019-10-31 | 2022-09-20 | 青岛海尔电冰箱有限公司 | Storage device for refrigerator and refrigerator with storage device |
| CN112747538B (en) * | 2019-10-31 | 2023-03-17 | 青岛海尔电冰箱有限公司 | Refrigerator |
| CN112747526A (en) * | 2019-10-31 | 2021-05-04 | 青岛海尔电冰箱有限公司 | Refrigerator with a door |
| CN112747524A (en) * | 2019-10-31 | 2021-05-04 | 青岛海尔电冰箱有限公司 | Refrigerator with a door |
| CN113446793B (en) * | 2020-03-24 | 2022-12-06 | 合肥华凌股份有限公司 | Fresh-keeping device and refrigerator |
| CN116222113A (en) * | 2021-12-03 | 2023-06-06 | 青岛海尔电冰箱有限公司 | Refrigerator and electrolytic deoxidizing device thereof |
| WO2023123060A1 (en) * | 2021-12-29 | 2023-07-06 | 合肥美的电冰箱有限公司 | Storage apparatus, storage method and device thereof and storage cabinet |
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| JP2004293827A (en) * | 2003-03-25 | 2004-10-21 | Toshiba Corp | Refrigerator |
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| US20140139088A1 (en) * | 2012-11-21 | 2014-05-22 | Whirlpool Corporation | Transparent touch displays for refrigerator drawers |
| US10684063B2 (en) * | 2015-12-28 | 2020-06-16 | Whirlpool Corporation | Easy open drawer/door with rotating handle |
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| CN106595177B (en) * | 2017-02-06 | 2020-03-31 | 青岛海尔股份有限公司 | Opening and closing control method of refrigerator storage drawer and refrigerator |
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| CN1699893A (en) * | 2004-05-17 | 2005-11-23 | 宣昌黎 | Electronic vacuum sterilizing fresh-keeping and energy-saving refrigerator |
| CN106016934A (en) * | 2016-05-23 | 2016-10-12 | 青岛海尔股份有限公司 | Refrigerator and storage device thereof |
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Also Published As
| Publication number | Publication date |
|---|---|
| WO2019105306A1 (en) | 2019-06-06 |
| CN109855348A (en) | 2019-06-07 |
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Address after: 266101 Haier Industrial Park, Haier Road, Laoshan District, Shandong, Qingdao, China Patentee after: Haier Smart Home Co., Ltd. Address before: 266101 Haier Industrial Park, Haier Road, Laoshan District, Shandong, Qingdao, China Patentee before: Qingdao Haier Joint Stock Co.,Ltd. |
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Effective date of registration: 20200923 Address after: 266101 Haier Industrial Park, Haier Road, Laoshan District, Shandong, Qingdao, China Patentee after: QINGDAO HAIER REFRIGERATOR Co.,Ltd. Patentee after: Haier Smart Home Co., Ltd. Address before: 266101 Haier Industrial Park, Haier Road, Laoshan District, Shandong, Qingdao, China Patentee before: Haier Smart Home Co., Ltd. |