CN107906827A - Refrigerating equipment - Google Patents

Refrigerating equipment Download PDF

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Publication number
CN107906827A
CN107906827A CN201710909781.XA CN201710909781A CN107906827A CN 107906827 A CN107906827 A CN 107906827A CN 201710909781 A CN201710909781 A CN 201710909781A CN 107906827 A CN107906827 A CN 107906827A
Authority
CN
China
Prior art keywords
fresh
space
hydrogen
keeping space
refrigerating equipment
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201710909781.XA
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Chinese (zh)
Other versions
CN107906827B (en
Inventor
刘浩泉
姜波
辛若武
王丽燕
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Qingdao Haier Refrigerator Co Ltd
Haier Smart Home Co Ltd
Original Assignee
Qingdao Haier Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Qingdao Haier Co Ltd filed Critical Qingdao Haier Co Ltd
Priority to CN201710909781.XA priority Critical patent/CN107906827B/en
Publication of CN107906827A publication Critical patent/CN107906827A/en
Application granted granted Critical
Publication of CN107906827B publication Critical patent/CN107906827B/en
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D11/00—Self-contained movable devices, e.g. domestic refrigerators
    • F25D11/02—Self-contained movable devices, e.g. domestic refrigerators with cooling compartments at different temperatures
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • 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
    • F25D25/00—Charging, supporting, and discharging the articles to be cooled
    • F25D25/02—Charging, supporting, and discharging the articles to be cooled by shelves
    • F25D25/024—Slidable shelves
    • F25D25/025—Drawers
    • 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

Abstract

The present invention provides a kind of refrigerating equipment.Wherein the refrigerating equipment includes：Babinet, inside defines storage space, container for storing is provided with storage space, and fresh-keeping space is defined inside container for storing；Door body, is arranged at the front surface of babinet, for closing storage space；Controlled atmosphere membrane module, it is installed on container for storing and its surrounding space is connected with fresh-keeping space, controlled atmosphere membrane module includes proton exchange membrane and hydrogen device, and it is configured to make the hydrogen in hydrogen device to lead to proton exchange membrane, react after being decomposed into hydrogen ion and electronics with the oxygen in fresh-keeping space, to reduce the oxygen concentration in fresh-keeping space.The refrigerating equipment of the present invention, the process of deoxygenation are not related to electric energy and are converted into kinetic energy or chemical energy, and whole oxygen removal process, furthermore, it is possible to reduce rapidly the oxygen concentration in fresh-keeping space, drastically increases oxygen removal efficiency almost without energy loss.

Description

Refrigerating equipment
Technical field
The present invention relates to article field of storage, more particularly to a kind of refrigerating equipment.
Background technology
As social development and people's living standard increasingly improve, and the rhythm of life of people is getting faster, Ren Menjing Substantial amounts of article can be often bought to be placed in all kinds of refrigerating equipment, but for leafy vegetable and melon and fruit based food, it is cold Hiding the low temperature in the storage space of freezing equipment can not only make the epidermis of these foods the phenomenon of corrugation and spot occur, can also shadow Ring their original tastes and nutrition.
In the preservation technology of refrigerating equipment, oxidation, the respiration of oxygen and food in refrigerating equipment It is all closely related.The breathing of food is slower, and the oxidation of food is lower, and fresh keeping time is also longer.Reduce the oxygen in air Gas content, has food fresh keeping obvious effect.Controlled atmosphere technology refers to by adjusting envelope residing for storage thing in general manner The mode of the atmosphere (gas component ratio or gas pressure) for closing space extends the technology of shelf life of food products, its base Present principles are：In certain enclosure space, the atmosphere different from normal air constituent is obtained by various regulative modes, To suppress to cause the activity for storing the putrid and deteriorated physiological and biochemical procedure of thing (being usually food materials) and microorganism.Especially, at this In application, the controlled atmosphere discussed is by specifically in the controlled atmosphere technology that gas component ratio is adjusted.
Those skilled in the art know that normal air constituent includes (pressing volume percentage, hereafter together)：About 78% Nitrogen, about 21% oxygen, about 0.939% rare gas (helium, neon, argon, krypton, xenon, radon), 0.031% carbon dioxide, with And 0.03% other gases and impurity (for example, ozone, nitric oxide, nitrogen dioxide, vapor etc.).Led in controlled atmosphere Domain, generally use to enclosure space are filled with nitrogen-rich gas and obtain the fresh-keeping gas of rich nitrogen oxygen deprivation to reduce the mode of oxygen content Atmosphere.Here, those skilled in the art know, nitrogen-rich gas refer to that nitrogen content exceedes nitrogen content in above-mentioned normal air Gas, such as nitrogen content therein can be 95%~99%, even more high；And the fresh-keeping atmosphere of rich nitrogen oxygen deprivation refers to Nitrogen content is less than the gas atmosphere of oxygen content in above-mentioned normal air more than nitrogen content, oxygen content in above-mentioned normal air Enclose.
Controlled atmosphere is generally traditionally carried out using the method for making nitrogen by pressure swing adsorption, oxygen permeable membrane deoxygenation at present.Pressure-variable adsorption Nitrogen, using adsorbent bed separation oxygen, nitrogen, it is fresh-keeping to be poured closed container progress by scheme by absorbing air.Oxygen permeable membrane side Oxygen in closed container is suctioned out by vacuum pump and oxygen permeable membrane, achievees the purpose that deoxygenation is fresh-keeping by case.But these are traditional Controlled atmosphere scheme deoxygenation speed is excessively slow, usually, the oxygen concentration in 30 liters of containers drop to 15% needs at least 20 minutes with On.In addition, above-mentioned traditional controlled atmosphere scheme, due to being converted into the process of kinetic energy or chemical energy, deoxygenation with electric energy During often power consumption is big, energy loss is more.
The content of the invention
The refrigerating equipment low and high oxygen removal efficiency it is an object of the present invention to provide energy consumption.
The present invention one is further objective is that the storage effect of all kinds of articles in refrigerating equipment will be improved.
Especially, the present invention provides a kind of refrigerating equipment, the refrigerating equipment to include：Babinet, its internal limit Surely there is storage space, container for storing is provided with storage space, and fresh-keeping space is defined inside container for storing；Door body, is set In the front surface of babinet, for closing storage space；And controlled atmosphere membrane module, it is installed on container for storing and its surrounding space is with protecting Fresh space connection, controlled atmosphere membrane module includes proton exchange membrane and hydrogen device, and is configured to make the hydrogen in hydrogen device to lead to Proton exchange membrane, reacts after being decomposed into hydrogen ion and electronics with the oxygen in fresh-keeping space, to reduce in fresh-keeping space Oxygen concentration.
Alternatively, container for storing is sealed drawer, and fresh-keeping space is limited by sealed drawer.
Alternatively, babinet includes：Liner, limits storage space in it, and sealed drawer includes：Drawer cylinder, tool To opening before having, and liner is fixed on, defines fresh-keeping space in it；And drawer body, it is slidably mounted on drawer cylinder In vivo, operationally outwards to extract and be inwardly inserted into drawer cylinder out from the forward direction opening of drawer cylinder.
Alternatively, the accommodating chamber connected with fresh-keeping space is provided with the roof of drawer cylinder, to house proton exchange membrane.
Alternatively, hydrogen device is one or more hydrogen gas tanks, and is arranged at the dorsal part of drawer cylinder.
Alternatively, controlled atmosphere membrane module further includes：Flow valve, is arranged at the pipeline of connection hydrogen device and proton exchange membrane On, to control the hydrogen flowing quantity for leading to proton exchange membrane.
Alternatively, proton exchange membrane includes cathode, anode and membrane body, and wherein cathode is disposed in proximity to fresh-keeping space one Side, anode is arranged to be arranged between anode and cathode away from fresh-keeping space side, membrane body, and platinum catalyst is provided with anode； And sealed drawer further includes：Cover board, is removably covered on the top of accommodating chamber, to close accommodating chamber, by anode and the external world Isolation.
Alternatively, controlled atmosphere membrane module is configured to：The hydrogen in hydrogen device is set to lead to the anode of proton exchange membrane, and in platinum Decompose under the action of catalyst reaction, produce electronics and hydrogen ion, hydrogen ion reaches cathode through membrane body, and electronics passes through the moon Conducting wire between pole and anode reaches cathode, so that the hydrogen ion, electronics at cathode react with the oxygen in fresh-keeping space, Reduce the oxygen concentration in fresh-keeping space.
Alternatively, which further includes：Oxygen sensor, is arranged in fresh-keeping space, to detect fresh-keeping sky Interior actual oxygen concentration, and flow valve is configured to：Actual oxygen concentration in fresh-keeping space is more than the fresh-keeping sky Between preset concentration threshold value when open.
Alternatively, which further includes：Heating unit, is arranged at proton exchange membrane, to carry when heated Temperature at high-quality proton exchange, so as to strengthen the catalytic action of platinum catalyst.
The refrigerating equipment of the present invention, including：Babinet, inside define storage space, storage are provided with storage space Thing container, and fresh-keeping space is defined inside container for storing；Door body, is arranged at the front surface of babinet, for closing storage space； And controlled atmosphere membrane module, it is installed on container for storing and its surrounding space is connected with fresh-keeping space, controlled atmosphere membrane module is handed over including proton Film and hydrogen device are changed, and is configured to make the hydrogen in hydrogen device to lead to proton exchange membrane, after being decomposed into hydrogen ion and electronics React with the oxygen in fresh-keeping space, to reduce the oxygen concentration in fresh-keeping space, the process of deoxygenation is not related to electric energy and turns Kinetic energy or chemical energy are turned to, whole oxygen removal process is almost without energy loss, furthermore, it is possible to reduce rapidly the oxygen in fresh-keeping space Gas concentration, drastically increases oxygen removal efficiency.
Further, refrigerating equipment of the invention, container for storing are sealed drawer, are limited by sealed drawer fresh-keeping Space, babinet include：Liner, limits storage space in it, and sealed drawer includes：Drawer cylinder, have it is preceding to opening, And liner is fixed on, fresh-keeping space is defined in it；And drawer body, it is slidably mounted in drawer cylinder, with from pumping Drawer cylinder is operationally outwards extracted and be inwardly inserted into the forward direction opening of drawer cylinder out, is provided with and protects in the roof of drawer cylinder The accommodating chamber of fresh space connection, to house proton exchange membrane, hydrogen device is one or more hydrogen gas tanks, and is arranged at drawer cylinder The dorsal part of body, realizes the adjusting to the atmosphere in fresh-keeping space with a kind of simple structure, effectively reduces controlled atmosphere Cost and technology difficulty, and ensure that the atmosphere of fresh-keeping interior volume meets the storage demand of food, improve the storage of food Effect.
According to the accompanying drawings will be brighter to the detailed description of the specific embodiment of the invention, those skilled in the art Above-mentioned and other purposes, the advantages and features of the present invention.
Brief description of the drawings
Some specific embodiments of detailed description of the present invention by way of example, and not by way of limitation with reference to the accompanying drawings hereinafter. Identical reference numeral denotes same or similar component or part in attached drawing.It should be appreciated by those skilled in the art that these What attached drawing was not necessarily drawn to scale.In attached drawing：
Fig. 1 is the schematic diagram of refrigerating equipment according to an embodiment of the invention；
Fig. 2 is the schematic local structural graph of refrigerating equipment according to an embodiment of the invention；
Fig. 3 is the schematic diagram of sealed drawer in refrigerating equipment according to an embodiment of the invention；
Fig. 4 is the schematic, exploded of the sealed drawer shown in Fig. 3；
Fig. 5 is the schematic diagram of part-structure in sealed drawer shown in Fig. 3；And
Fig. 6 is the schematic diagram of the controlled atmosphere membrane module in refrigerating equipment according to an embodiment of the invention.
Embodiment
A kind of refrigerating equipment is present embodiments provided, controlled atmosphere low energy consumption quickly can be realized to fresh-keeping space, with Meet the storage requirements of article in fresh-keeping space.Wherein refrigerating equipment can be refrigerator, refrigerator-freezer etc..Fig. 1 is according to this hair The schematic diagram of the refrigerating equipment 100 of bright one embodiment；Fig. 2 is that refrigeration according to an embodiment of the invention is cold Freeze the schematic local structural graph of equipment 100；Fig. 3 is sealed in refrigerating equipment 100 according to an embodiment of the invention The schematic diagram of drawer 11；Fig. 4 is the schematic, exploded of the sealed drawer 11 shown in Fig. 3；Fig. 5 is close shown in Fig. 3 Seal the schematic diagram of part-structure in drawer 11；And Fig. 6 is refrigerating equipment according to an embodiment of the invention The schematic diagram of controlled atmosphere membrane module 30 in 100.As shown in Figures 1 to 6, which in general manner may be used With including：Babinet 10, door body and controlled atmosphere membrane module 30.
Wherein, storage space 102 is defined inside babinet 10.The quantity and structure of storage space 102 can be according to need Ask and configured, Fig. 1 shows the feelings of the first storage space set gradually up and down, the second storage space and the 3rd storage space Condition；Above storage space is configurable to refrigerating space, reefer space, alternating temperature space or fresh-keeping space according to purposes difference. Each storage space can be divided into multiple storage areas by demarcation strip, utilize rack or drawer storage article.
Door body is arranged at the front surface of babinet 10, for closing storage space 102.Door body corresponding with storage space can be set Put, i.e., each storage space is corresponding with one or more door body.And the work(of the quantity of storage space and door body, storage space Energy can be by concrete condition actual selection.It is empty that the refrigerating equipment 100 of the present embodiment corresponds to the first storing set gradually up and down Between, the second storage space, the 3rd storage space, be respectively arranged with the first door body 21, the second door body 22, the 3rd door body 23.Door body The front surface of babinet 10 can be pivotally installed in, drawer type can also be used to open, to realize the storage space of drawer type, its The storage space of middle drawer type is often provided with metal sliding rail, it is ensured that effect is soft during drawer open and close, and can To reduce noise.
Container for storing can be provided with storage space 102, and fresh-keeping space is defined inside container for storing.Controlled atmosphere film group Part 30 can be installed on container for storing and its surrounding space is connected with fresh-keeping space, and controlled atmosphere membrane module 30 includes proton exchange membrane 31 With hydrogen device 32, and it is configured to make the hydrogen in hydrogen device 32 to lead to proton exchange membrane 31, is decomposed into hydrogen ion and electronics React afterwards with the oxygen in fresh-keeping space, to reduce the oxygen concentration in fresh-keeping space.
As shown in Fig. 2, the container for storing of the refrigerating equipment 100 of the present embodiment can be sealed drawer 11, sealing is taken out Drawer 11 is arranged in storage space 102, and fresh-keeping space is limited by sealed drawer 11.It is above-mentioned in some optional embodiments Fresh-keeping space can also be limited by seal box, hermetically sealed can, seal box etc..It should be noted that the quantity of sealed drawer 11 can Think one or more, the fresh-keeping space limited by sealed drawer 11 can also correspond to one or more.
The babinet 10 of the refrigerating equipment 100 of the present embodiment can include liner, limit storage space 102 in it. Sealed drawer 11 includes：Drawer cylinder 12, has preceding to opening, and is fixed on liner, defines fresh-keeping space in it；And take out Drawer body 13, is slidably mounted in drawer cylinder 12, operationally outwards to be extracted out from the forward direction opening of drawer cylinder 12 Be inwardly inserted into drawer cylinder 12.In the present embodiment, liner and drawer cylinder 12 can be separately formed and then be installed again.
In some embodiments of the invention, as shown in Figures 3 to 6, controlled atmosphere membrane module 30 may be disposed at drawer cylinder 12 On.Specifically, the accommodating chamber 121 connected with fresh-keeping space is provided with the roof of drawer cylinder 12, to house proton exchange membrane 31.The accommodating chamber 121 of the roof of drawer cylinder 12 can be with offering one or more ventilations in the wall between fresh-keeping space Hole, to connect accommodating chamber 121 and fresh-keeping space.As shown in Figure 3 and Figure 4, sealed drawer 11 can also include：Cover board 14 is removable It is covered on the top of accommodating chamber 121 with unloading, to close accommodating chamber 121, proton exchange membrane 31 is isolated from the outside world.
Hydrogen device 32 is one or more hydrogen gas tanks, and is arranged at the dorsal part of drawer cylinder 12.As shown in Figures 3 to 6, The hydrogen gas tank of the present embodiment is two, and in some other embodiment, the quantity of hydrogen gas tank can be set according to actual conditions Put.In addition, sealed drawer 11 can also include rear cover 15, so that hydrogen gas tank is isolated from the outside world, hydrogen gas tank is avoided to receive extraneous ring Border influences, so as to extend its service life.It should be noted that the hydrogen of high-purity is stored with hydrogen gas tank, and hydrogen gas tank is pacified Can be exhausted after dorsal part loaded on drawer cylinder 12 or pumping process, avoid running into during conveying hydrogen oxygen or Person's air, influences follow-up chemical reaction.
Controlled atmosphere membrane module 30 can also include：Flow valve, is arranged at the pipe of connection hydrogen device 32 and proton exchange membrane 31 Lu Shang, the hydrogen flowing quantity of proton exchange membrane 31 is led to control.Specifically, flow valve can be electronic flow valve, accurately to control System is led to the hydrogen flowing quantity of proton exchange membrane 31 by hydrogen device 32.
Multiple air equalizer openings can be offered on drawer cylinder 12, to connect storage space 102 and fresh-keeping space.Storing is empty Between 102 can be connected with fresh-keeping space via multiple air equalizer openings.Each air equalizer opening can be millimetre-sized micropore, such as A diameter of 0.1mm to 3mm of each air equalizer opening.Multiple air equalizer openings are set to be unlikely to the pressure in fresh-keeping space Too low, the setting of multiple air equalizer openings will not be such that the nitrogen in fresh-keeping space is flowed to big storage space, even if flowing And very little is even negligible, the preservation of food in fresh-keeping space is not interfered with.In other embodiments, take out Also air equalizer opening can be not provided with drawer cylinder 12, even if in this way, also there is the gas such as substantial amounts of nitrogen to exist in fresh-keeping space, User,, then can be significantly laborsaving compared to existing vacuum storing room without too sweat when pulling the drawer out body 13.
As shown in fig. 6, proton exchange membrane 31 includes cathode 312, anode 311 and membrane body 313, wherein cathode 312 is set In close to fresh-keeping space side, anode 311 is arranged at is arranged at anode 311 and cathode away from fresh-keeping space side, membrane body 313 Between 312, platinum catalyst is provided with anode 311；And cover board 14, is removably covered on the top of accommodating chamber 121, with envelope Accommodating chamber 121 is closed, anode 311 is isolated from the outside world, the decomposition reaction for avoiding occurring at anode 311 is subject to ectocine.Such as Fig. 5 Shown, the hydrogen in hydrogen device 32 can lead to accommodating chamber 121, so that reaction of decomposing at anode 311.
In a kind of specific embodiment, controlled atmosphere membrane module 30 is configured to：The hydrogen in hydrogen device 32 is set to lead to proton The anode 311 of exchange membrane 31, and reaction of decomposing under the action of platinum catalyst, produce electronics and hydrogen ion, hydrogen ion are worn Cross membrane body 313 and reach cathode 312, electronics reaches cathode 312 by the conducting wire between cathode 312 and anode 311, so that cathode Hydrogen ion, electronics at 312 react with the oxygen in fresh-keeping space, reduce the oxygen concentration in fresh-keeping space.Specifically Chemical equation is as follows：Decompose reaction in anode 311 first, 2H2- 4e=4H+；Then occur instead in cathode 312 Should：O2+4e+4H+=2H2O.The water of generation is present in fresh-keeping space, if air therein is not up to saturation, water is gas State, if saturation, water is liquid.Since the water of generation is few, the storage effect of food in fresh-keeping space is not interfered with.
In a kind of preferred embodiment, refrigerating equipment 100 can also include：Heating unit, is arranged at proton friendship Change at film 31, to improve the temperature at proton exchange membrane 31 when heated, so as to strengthen the catalytic action of platinum catalyst.It can keep away Exempt from that temperature is too low to cause platinum catalyst hydrogen catalyzed not decompose, thereby may be ensured that oxygen removal process is smoothed out.In platinum catalysis Under the catalytic action of agent, the decomposition efficiency of hydrogen is high, and substantial amounts of hydrogen ion and electronics come 312 side of cathode, in fresh-keeping space Oxygen consumption speed it is very fast.Inventor has found that the controlled atmosphere membrane module 30 of the present embodiment was at 10 minutes by many experiments Within, the oxygen concentration in 30 liter capacity sealed drawers can be down to less than 8%.
Refrigerating equipment 100 can also include：Oxygen sensor (not shown), is arranged in fresh-keeping space, with The actual oxygen concentration in fresh-keeping space is detected, and flow valve is configured to：Actual oxygen concentration in fresh-keeping space is big Opened when the preset concentration threshold value in the fresh-keeping space.It is minimum to oxygen to contain since different types of article is in controlled atmosphere The requirement of amount also and differs, and the preset concentration threshold value in fresh-keeping space can be configured according to actual food fresh-keeping requirement. Usually, food fresh-keeping requires higher, and preset concentration threshold value can be set smaller.
Refrigerating equipment 100 can also include：Refrigeration system, the refrigeration system can be by compressor, condenser, section Flow the cooling cycle system of the composition such as device and evaporator.Compressor is installed in compressor bin.Evaporator be configured to directly or Indirectly to offer cold in storage space 102.For example, when the refrigerating equipment 100 is family expenses compression direct cooling refrigerator, Evaporator may be disposed on the outside of the rear surface of liner or inner side.When the refrigerating equipment 100 is family expenses compression wind cooling refrigerator When, also there is evaporator room in babinet 10, evaporator room is connected by air path system with storage space 102, and in evaporator room Evaporator is set, and exit is provided with wind turbine, to carry out circularly cooling to storage space 102.
The refrigerating equipment 100 of the present embodiment includes：Babinet 10, inside define storage space 102, storage space Container for storing is provided with 102, and fresh-keeping space is defined inside container for storing；Door body, is arranged at the front surface of babinet 10, with For closing storage space 102；Controlled atmosphere membrane module 30, is installed on container for storing and its surrounding space is connected with fresh-keeping space, controlled atmosphere Membrane module 30 includes proton exchange membrane 31 and hydrogen device 32, and is configured to make the hydrogen in hydrogen device 32 lead to proton exchange Film 31, and react with the oxygen in fresh-keeping space, to reduce the oxygen concentration in fresh-keeping space, the process of deoxygenation is not related to Electric energy is converted into kinetic energy or chemical energy, and whole oxygen removal process is almost without energy loss, furthermore, it is possible to reduce rapidly fresh-keeping space Interior oxygen concentration, drastically increases oxygen removal efficiency.
Further, the refrigerating equipment 100 of the present embodiment, wherein container for storing are sealed drawer 11, are taken out by sealing Drawer 11 limits fresh-keeping space, and babinet 10 includes：Liner, limits storage space 102 in it, and sealed drawer 11 includes： Drawer cylinder 12, has preceding to opening, and is fixed on liner, defines fresh-keeping space in it；And drawer body 13, slidably Ground is installed in drawer cylinder 12, operationally outwards to extract and be inwardly inserted into drawer cylinder out from the forward direction opening of drawer cylinder 12 Body 12, is provided with the accommodating chamber 121 connected with fresh-keeping space in the roof of drawer cylinder 12, to house proton exchange membrane 31, hydrogen Device of air 32 is one or more hydrogen gas tanks, and is arranged at the dorsal part of drawer cylinder 12, is realized with a kind of simple structure to protecting The adjusting of atmosphere in fresh space, effectively reduces the cost and technology difficulty of controlled atmosphere, and ensures fresh-keeping interior volume Atmosphere meet the storage demand of food, improve the storage effect of food.
So far, although those skilled in the art will appreciate that detailed herein have shown and described multiple showing for the present invention Example property embodiment, still, without departing from the spirit and scope of the present invention, still can according to the present invention disclosure it is direct Determine or derive many other variations or modifications for meeting the principle of the invention.Therefore, the scope of the present invention is understood that and recognizes It is set to and covers other all these variations or modifications.

Claims (10)

  1. A kind of 1. refrigerating equipment, it is characterised in that including：
    Babinet, defines storage space inside it, container for storing is provided with the storage space, and inside the container for storing Define fresh-keeping space；
    Door body, is arranged at the front surface of the babinet, for closing the storage space；And
    Controlled atmosphere membrane module, is installed on the container for storing and its surrounding space is connected with the fresh-keeping space, the controlled atmosphere film group Part includes proton exchange membrane and hydrogen device, and is configured to make the hydrogen in the hydrogen device to lead to the proton exchange membrane, React after being decomposed into hydrogen ion and electronics with the oxygen in the fresh-keeping space, to reduce the oxygen in the fresh-keeping space Concentration.
  2. 2. refrigerating equipment according to claim 1, it is characterised in that
    The container for storing is sealed drawer, and the fresh-keeping space is limited by the sealed drawer.
  3. 3. refrigerating equipment according to claim 2, it is characterised in that the babinet includes：
    Liner, limits the storage space in it, and
    The sealed drawer includes：Drawer cylinder, has preceding to opening, and is fixed on the liner, defines the guarantor in it Fresh space；And drawer body, it is slidably mounted in the drawer cylinder, with can from the forward direction opening of the drawer cylinder Operatively outwards extract and be inwardly inserted into the drawer cylinder out.
  4. 4. refrigerating equipment according to claim 3, it is characterised in that
    The accommodating chamber connected with the fresh-keeping space is provided with the roof of the drawer cylinder, to house the proton exchange Film.
  5. 5. refrigerating equipment according to claim 4, it is characterised in that
    The hydrogen device is one or more hydrogen gas tanks, and is arranged at the dorsal part of the drawer cylinder.
  6. 6. refrigerating equipment according to claim 5, it is characterised in that
    The controlled atmosphere membrane module further includes：Flow valve, is arranged at the pipeline for connecting the hydrogen device and the proton exchange membrane On, to control the hydrogen flowing quantity for leading to the proton exchange membrane.
  7. 7. refrigerating equipment according to claim 6, it is characterised in that
    The proton exchange membrane includes cathode, anode and membrane body, wherein the cathode is disposed in proximity to the fresh-keeping space one Side, the anode is arranged to be arranged between the anode and the cathode away from the fresh-keeping space side, the membrane body, institute State and platinum catalyst is provided with anode；And
    The sealed drawer further includes：Cover board, is removably covered on the top of the accommodating chamber, to close the accommodating chamber, The anode is isolated from the outside world.
  8. 8. refrigerating equipment according to claim 7, it is characterised in that
    The controlled atmosphere membrane module is configured to：The hydrogen in the hydrogen device is set to lead to the anode of the proton exchange membrane, and Decompose under the action of the platinum catalyst reaction, produce electronics and hydrogen ion, the hydrogen ion is through membrane body arrival The cathode, the electronics reaches the cathode by the conducting wire between the cathode and the anode, so that at the cathode Hydrogen ion, electronics react with the oxygen in the fresh-keeping space, reduce the oxygen concentration in the fresh-keeping space.
  9. 9. refrigerating equipment according to claim 6, it is characterised in that further include：
    Oxygen sensor, is arranged in the fresh-keeping space, to detect the actual oxygen concentration in the fresh-keeping space, and
    The flow valve is configured to：Actual oxygen concentration in the fresh-keeping space is more than the preset concentration in the fresh-keeping space Opened during threshold value.
  10. 10. refrigerating equipment according to claim 8, it is characterised in that further include：
    Heating unit, is arranged at the proton exchange membrane, to improve the temperature at the proton exchange membrane when heated, so that Strengthen the catalytic action of the platinum catalyst.
CN201710909781.XA 2017-09-29 2017-09-29 Refrigerating and freezing equipment Active CN107906827B (en)

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Application Number Priority Date Filing Date Title
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CN107906827B CN107906827B (en) 2020-01-03

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111912158A (en) * 2020-07-23 2020-11-10 珠海格力电器股份有限公司 Electrolysis device, control method and low-temperature storage equipment
WO2020238258A1 (en) * 2019-05-24 2020-12-03 青岛海尔电冰箱有限公司 Oxygen reduction control method for refrigeration device
CN115581273A (en) * 2022-10-20 2023-01-10 江西省凯骏实业有限公司 Oxygen-controlled fresh-keeping container

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JP2010243103A (en) * 2009-04-08 2010-10-28 Panasonic Corp Method of adjusting oxygen concentration in food storage space
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