CN111685175A - Fresh-keeping device and refrigeration equipment - Google Patents

Fresh-keeping device and refrigeration equipment Download PDF

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Publication number
CN111685175A
CN111685175A CN202010467252.0A CN202010467252A CN111685175A CN 111685175 A CN111685175 A CN 111685175A CN 202010467252 A CN202010467252 A CN 202010467252A CN 111685175 A CN111685175 A CN 111685175A
Authority
CN
China
Prior art keywords
fresh
chamber
humidity
unit
keeping
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.)
Pending
Application number
CN202010467252.0A
Other languages
Chinese (zh)
Inventor
王屋梁
毛佳甜
何丽娜
刘畅
韩鹏
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.)
Gree Electric Appliances Inc of Zhuhai
Original Assignee
Gree Electric Appliances Inc of Zhuhai
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 Gree Electric Appliances Inc of Zhuhai filed Critical Gree Electric Appliances Inc of Zhuhai
Priority to CN202010467252.0A priority Critical patent/CN111685175A/en
Publication of CN111685175A publication Critical patent/CN111685175A/en
Pending legal-status Critical Current

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    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23B—PRESERVING, e.g. BY CANNING, MEAT, FISH, EGGS, FRUIT, VEGETABLES, EDIBLE SEEDS; CHEMICAL RIPENING OF FRUIT OR VEGETABLES; THE PRESERVED, RIPENED, OR CANNED PRODUCTS
    • A23B7/00—Preservation or chemical ripening of fruit or vegetables
    • A23B7/14—Preserving or ripening with chemicals not covered by groups A23B7/08 or A23B7/10
    • A23B7/153—Preserving or ripening with chemicals not covered by groups A23B7/08 or A23B7/10 in the form of liquids or solids
    • A23B7/158—Apparatus for preserving using liquids
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23B—PRESERVING, e.g. BY CANNING, MEAT, FISH, EGGS, FRUIT, VEGETABLES, EDIBLE SEEDS; CHEMICAL RIPENING OF FRUIT OR VEGETABLES; THE PRESERVED, RIPENED, OR CANNED PRODUCTS
    • A23B7/00—Preservation or chemical ripening of fruit or vegetables
    • A23B7/015—Preserving by irradiation or electric treatment without heating effect
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23B—PRESERVING, e.g. BY CANNING, MEAT, FISH, EGGS, FRUIT, VEGETABLES, EDIBLE SEEDS; CHEMICAL RIPENING OF FRUIT OR VEGETABLES; THE PRESERVED, RIPENED, OR CANNED PRODUCTS
    • A23B7/00—Preservation or chemical ripening of fruit or vegetables
    • A23B7/14—Preserving or ripening with chemicals not covered by groups A23B7/08 or A23B7/10
    • A23B7/144—Preserving or ripening with chemicals not covered by groups A23B7/08 or A23B7/10 in the form of gases, e.g. fumigation; Compositions or apparatus therefor
    • A23B7/148—Preserving or ripening with chemicals not covered by groups A23B7/08 or A23B7/10 in the form of gases, e.g. fumigation; Compositions or apparatus therefor in a controlled atmosphere, e.g. partial vacuum, comprising only CO2, N2, O2 or H2O
    • 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
    • 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
    • F25D23/12—Arrangements of compartments additional to cooling compartments; Combinations of refrigerators with other equipment, e.g. stove
    • 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
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23V—INDEXING SCHEME RELATING TO FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES AND LACTIC OR PROPIONIC ACID BACTERIA USED IN FOODSTUFFS OR FOOD PREPARATION
    • A23V2002/00—Food compositions, function of food ingredients or processes for food or foodstuffs
    • 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
    • F25D2317/0413—Treating air flowing to refrigeration compartments by purification by humidification
    • 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
    • F25D2317/0413—Treating air flowing to refrigeration compartments by purification by humidification
    • F25D2317/04131—Control means therefor

Abstract

The application provides a fresh-keeping device and refrigeration equipment, which comprise a box body, wherein a humidifying part and a fresh-keeping chamber are arranged in the box body; the humidifying part comprises a separation unit and a water spraying unit, the separation unit is connected with the water spraying unit, the separation unit is arranged in the box body and used for separating water vapor from other gases, and the water spraying unit sprays the water vapor separated by the separation unit into the fresh-keeping chamber. The embodiment of the application provides a fresh-keeping device can realize reducing manual operation to the automatically regulated of fruit vegetables storage environment's humidity, improves user experience.

Description

Fresh-keeping device and refrigeration equipment
Technical Field
The application belongs to the technical field of air conditioning, and particularly relates to a fresh-keeping device and refrigeration equipment.
Background
When existing refrigeration equipment refrigerates fruits and vegetables, an external humidifier is generally adopted for humidity adjustment, water needs to be added into the humidifier manually in the actual operation process, working steps are increased, and the poor user experience feeling can lead to the poor refrigeration effect of the fruits and vegetables once the water is forgotten to be added.
Disclosure of Invention
Consequently, the technical problem that this application will be solved lies in providing a fresh-keeping device, can realize reducing manual operation to the automatically regulated of the humidity of fruit vegetables storage environment, improves user experience.
In order to solve the problems, the application provides a fresh-keeping device which comprises a box body, wherein a humidifying part and a fresh-keeping chamber are arranged in the box body;
the humidifying part comprises a separation unit and a water spraying unit, the separation unit is connected with the water spraying unit and used for separating water vapor from other gases, and the water spraying unit sprays the water vapor separated by the separation unit into the fresh-keeping chamber.
Preferably, the separation unit comprises a separation chamber, the water spraying unit comprises a water spraying pipe and a water spraying pump, the water spraying pump is arranged on the water spraying pipe, the inlet end of the water spraying pipe is arranged on the separation chamber, the inlet end of the water spraying pipe is provided with a first separation membrane, the first separation membrane can separate water vapor from other gases, and the separated water vapor enters the water spraying pipe.
Preferably, the humidifying part further comprises a dehumidifying unit, and the dehumidifying unit can suck the water vapor in the box body into the separation chamber.
Preferably, the dehumidifying unit includes an air pumping pipe and an air pumping pump, the air pumping pump is disposed on the air pumping pipe, an outlet end of the air pumping pipe is disposed on the separation chamber, a second separation membrane is disposed at the outlet end of the air pumping pipe, the second separation membrane can separate water vapor from other gases, and the separated water vapor enters the separation chamber.
Preferably, the separation chamber is provided with a first opening and a second opening, the first separation membrane cover is arranged on the first opening, the second separation membrane cover is arranged on the second opening, the inlet end of the water spray pipe is arranged on the first opening, and the outlet end of the air exhaust pipe is arranged on the second opening.
Preferably, the separation chamber is provided with a third opening, a third separation membrane is arranged on the third opening, the third separation membrane can separate water vapor from other gases, the separated water vapor is located in the separation chamber, and the separated other gases are discharged to the outside of the separation chamber.
Preferably, the water spraying unit further comprises a spray head, the discharge port end of the water spraying pipe is communicated with the spray head, and the spray head is arranged on the fresh-keeping chamber.
Preferably, the water jet pump is a micro-fluid pump, and/or the spray head is an ultrasonic spray head.
Preferably, the fresh-keeping device further comprises a humidity monitoring unit, and when the humidity in the fresh-keeping chamber is lower than a first humidity threshold value, the humidity monitoring unit controls the operation of the humidifying part.
Preferably, a control valve is arranged on the exhaust tube;
when the humidity in the fresh-keeping chamber is in a first humidity range, the opening degree of the control valve is 40% -60%, and the rotating speed of the water spraying pump is reduced to a first rotating speed;
when the humidity in the fresh-keeping chamber is in a second humidity range, the opening degree of the control valve is 10% -30%, and the rotating speed of the water spraying pump is reduced to a second rotating speed;
and when the humidity in the fresh-keeping chamber is in a third humidity interval, closing the control valve and reducing the rotating speed of the water spraying pump to a third rotating speed.
Preferably, the humidity monitoring unit comprises a humidity detector and a humidity controller, the humidity detector is arranged in the fresh-keeping chamber, and the humidity controller is in communication connection with the humidity detector, the air suction pump, the water spray pump and the control valve.
Preferably, the fresh-keeping chamber is provided with an opening, and the upper cover of the opening is provided with a modified atmosphere film.
Preferably, the top of the fresh-keeping chamber is open, the modified atmosphere film cover is arranged at the top of the fresh-keeping chamber, a supporting net is arranged at the top of the fresh-keeping chamber, and the modified atmosphere film is arranged on the supporting net.
Preferably, the fresh-keeping device still includes illumination portion, illumination portion includes illumination parameter acquisition unit, irradiation unit and the control unit, illumination parameter acquisition unit with irradiation unit sets up in the fresh-keeping chamber, the control unit with illumination parameter acquisition unit with irradiation unit communication connection.
Preferably, the irradiation unit comprises a red light module and a blue light module, the red light module and the blue light module operate alternately, the alternation interval time is T1, and the total light intensity of the emitted light of the red light module and the blue light module is 10-20umol m-2·s-1。
Preferably, the irradiation unit further includes an ultraviolet module, the on-time length of the ultraviolet module is T2, the on-off time interval of the ultraviolet module is T3, and the light intensity of the ultraviolet light emitted by the ultraviolet module is 4-8umol · m-2·s-1。
Preferably, T1 is 30s, T2 is 15s, and T3 is 5 min.
In another aspect of the application, a cold storage device is provided, comprising a freshness keeping device as described above.
Advantageous effects
The fresh-keeping device provided by the embodiment of the invention can realize automatic adjustment of the humidity of the fruit and vegetable storage environment, reduce manual operation and improve user experience.
Drawings
Fig. 1 is a schematic perspective view of an embodiment of the present application.
The reference numerals are represented as:
1. a box body; 2. a humidity detector; 3. an ultraviolet light module; 4. a red light module; 5. a blue light module; 6. an infrared temperature sensor; 7. a separation chamber; 8. a first separation membrane; 9. a control valve; 10. a second separation membrane; 11. a humidity controller; 12. an air pump; 13. a third separation membrane; 14. a water jet pump; 15. a spray head; 16. fruits and vegetables; 17. air-conditioning film; 18. a support net; 19. a fresh-keeping chamber.
Detailed Description
Referring to fig. 1 in combination, according to an embodiment of the present application, a fresh-keeping device includes a box 1, a humidifying part and a fresh-keeping chamber 19 are provided in the box 1;
the humidification portion includes the separator unit and the water spray unit, and the separator unit is connected with the water spray unit, and the separator unit sets up in box 1, and the separator unit is used for steam and other gas separation, and the water spray unit sprays the steam that the separator unit separated into in the freshfood compartment 19. Can separate the vapor in the box 1 with other gases through setting up the separating unit, make vapor enter into the water spray unit in, through setting up the water spray unit, can spout the vapor of separation into in the fresh-keeping chamber 19, and then adjust the interior humidity of fresh-keeping chamber 19, realize the automatically regulated to the humidity of 16 storage environment of fruit vegetables, need not add water from the outside and can realize humidity control, reduce manual operation, improve user experience.
Furthermore, the box body 1 can be regarded as a refrigerating chamber, the humidity in the refrigerating chamber is higher, and the humidity in the fresh-keeping chamber 19 can be effectively improved by separating water vapor in the box body 1 and then spraying the separated water vapor into the fresh-keeping chamber 19.
Further, the box body 1 is of a hollow structure, the fresh-keeping chamber 19 is approximately arranged at the center of the bottom of the box body 1, the fresh-keeping chamber 19 is of a hollow structure, and the fruits and vegetables 16 to be refrigerated are prevented from being in the fresh-keeping chamber 19. The shape of the fresh-keeping chamber 19 is a cuboid, and the fresh-keeping chamber 19 is made of polyethylene plastic parts.
Further, the fresh food compartment 19 is made of a low density polyethylene plastic member.
The separating unit includes separating chamber 7, and the water spray unit includes spray pipe and spray pump 14, and spray pump 14 sets up on the spray pipe, and the entrance point of spray pipe sets up on separating chamber 7, and the entrance point of spray pipe is provided with first separation membrane 8, and first separation membrane 8 can be with vapor and other gas separation, and the vapor of separation gets into in the spray pipe. Through setting up spray pipe and water jet pump 14, realized spouting the vapor of separating into in the freshfood compartment 19, and then adjust the interior humidity of freshfood compartment 19, realize the automatically regulated to the humidity of 16 storage environment of fruit vegetables, need not add water from the outside and can realize humidity control, reduce manual operation, improve user experience.
Further, the inlet end of the water spray pipe communicates with the interior of the separation chamber 7.
The humidification portion further comprises a dehumidifying unit capable of exhausting the water vapor in the case 1 into the separation chamber 7. By providing the dehumidifying unit, the water vapor in the casing 1 can be quickly sucked into the separation chamber 7.
The dehumidifying unit comprises an air pumping pipe and an air pumping pump 12, the air pumping pump 12 is arranged on the air pumping pipe, a row opening end of the air pumping pipe is arranged on the separation chamber 7, a second separation membrane 10 is arranged at the row opening end of the air pumping pipe, the second separation membrane 10 can separate water vapor from other gases, and the separated water vapor enters the separation chamber 7. By providing the air suction pipe and the air suction pump 12, the steam in the casing 1 can be quickly sucked into the separation chamber 7. Through setting up second separation membrane 10, can guarantee to draw into vapor in separator 7, keep apart other gas outside separator 7, guarantee the content of vapor in separator 7.
Further, an air suction pipe and an air suction pump 12 are provided in the case 1.
Be provided with first opening and second opening on the separating chamber 7, 8 lids of first barrier film are established on first opening, and 10 lids of second barrier film are established on the second opening, and the entrance point setting of spray pipe is on first opening, and the row's mouth end of exhaust tube sets up on the second opening, has guaranteed that the gas that gets into in the separating chamber 7 all separates through second barrier film 10, and the gas that gets into in the spray pipe all separates through first barrier film 8.
Preferably, the first separation membrane 8 is made of polystyrene and the second separation membrane 10 is made of polystyrene.
Further, the first separation film 8 completely covers the first opening, and the second separation film 10 completely covers the second opening.
Be provided with the third opening on the separation chamber 7, the third opening upper cover is equipped with third separation membrane 13, third separation membrane 13 can be with vapor and other gas separation, the vapor of separation is located separation chamber 7, other gas of separation are arranged outside separation chamber 7, through setting up the third opening, and establish third separation membrane 13 at the third opening upper cover, can make other gas except that vapor in the separation chamber 7 discharge from third separation membrane 13, further guaranteed that the gas that gets into in the spray pipe is vapor.
Preferably, the third separation membrane 13 is made of polyethylene.
Further, the third separation film 13 completely covers the third opening.
The water spraying unit also comprises a spray head 15, the discharge port end of the water spraying pipe is communicated with the spray head 15, and the spray head 15 is arranged on the fresh-keeping chamber 19. By arranging the spray head 15, the water vapor in the separation chamber 7 is uniformly sprayed into the fresh-keeping chamber 19.
Further, the spray head 15 is provided on a side wall of the fresh food compartment 19.
Further, at least one spray head 15 is provided on each side wall of the fresh food compartment 19.
The water spray pump is a micro-flow pump, and the spray head 15 is an ultrasonic spray head, so that a good spraying effect is ensured.
Further, the micro-flow pump operates to convey the water vapor in the separation chamber 7 to the ultrasonic spray head through the spray pipe, and the water vapor is sprayed into the fresh-keeping chamber 19 in the form of water mist under the ultrasonic action to improve the relative humidity in the fresh-keeping chamber, so that the water in the water mist state is easily absorbed by the cells of the fruits and vegetables 16.
The fresh-keeping device also comprises a humidity monitoring unit, and when the humidity in the fresh-keeping chamber 19 is lower than a first humidity threshold value, the humidity monitoring unit controls the operation of the humidifying part. Through setting up humidity monitoring unit, realized the control to humidity in the fresh-keeping room 19, through the monitoring data, realized carrying out automatic humidity control to fresh-keeping room 19.
Further, the first humidity threshold is 85%.
Furthermore, the humidification effect of humidification portion is different because of the real environment, and there may be certain hysteresis to the humidity control in the freshfood compartment 15, for example when the humidity in the box 1 is lower, need earlier collect the internal moisture of box, humidify in the freshfood compartment 19 again, for guaranteeing that the fruit vegetables is in the best humidity range, will decide first humidity threshold at 85% in this embodiment.
A control valve 9 is arranged on the exhaust pipe;
when the humidity in the fresh-keeping chamber 19 is in a first humidity range, the opening degree of the control valve 9 is 40% -60%, and the rotating speed of the water spraying pump is reduced to a first rotating speed;
when the humidity in the fresh-keeping chamber 19 is in the second humidity range, the opening degree of the control valve 9 is 10% -30%, and the rotating speed of the water spraying pump is reduced to the second rotating speed;
when the humidity in the fresh-keeping chamber 19 is within the third humidity range, the control valve 9 is closed, the rotating speed of the water spraying pump is reduced to the third rotating speed, so that a proper amount of water supplement is ensured to be carried out in the fresh-keeping chamber 19, and the fruits and vegetables 16 are ensured to be within the most suitable humidity range. The optimal storage relative humidity of the fruits and vegetables 16 is between 85% and 95%, and the relative humidity is too low, so that the respiration of the fruits and vegetables 16 is accelerated, and a large amount of carbohydrate is consumed, and the physiological damage is accompanied. When the relative humidity is too high, a large amount of small liquid drops may be accumulated on the surface of the fruits and vegetables 16, so that the air holes are opened, and the water loss of the fruits and vegetables 16 is accelerated. Therefore, the humidity of the storage environment of the fruits and vegetables 16 needs to be strictly controlled.
Further, the first humidity interval is 78% -80%, the second humidity interval is 82% -85%, and the third humidity interval is 86% -92%.
Further, when the humidity in the fresh food compartment 19 is in the first humidity range, the opening degree of the control valve 9 is 50%. When the humidity in the fresh food compartment 19 is in the second humidity range, the opening of the control valve 9 is 20%.
Further, the first rotation speed is greater than the second rotation speed and greater than the third rotation speed.
And further, after the water spraying pump runs for 3-5min at the third rotating speed, the water spraying pump stops running.
The humidity monitoring unit comprises a humidity detector 2 and a humidity controller 11, the humidity detector 2 is arranged in the fresh-keeping chamber 19, and the humidity controller 11 is in communication connection with the humidity detector 2, the air suction pump 12, the water spray pump 14 and the control valve 9. Accurate monitoring of humidity in the fresh-keeping chamber 19 is guaranteed by arranging the humidity detector 2, the automatic control of the water spraying pump, the control valve 9 and the driving unit is realized by arranging the humidity controller 11, and accurate adjustment of humidity in the fresh-keeping chamber 19 is realized.
Further, a humidity detector 2 is provided on the inner wall of the fresh food compartment 19.
The fresh-keeping chamber 19 is provided with an opening, and the upper cover of the opening is provided with an air adjusting film 17. The fruits and vegetables 16 can breathe during the storage process, and store CO in the environment2And O2Will affect the respiration of the fruits and vegetables 16. In the prior art, the regulation of gas components in the fresh-keeping chamber 19 needs to be realized by a nitrogen generator, a gas component collecting device and a gas analyzing device, and the devices have the disadvantages of high operation difficulty, high maintenance cost and strict requirement on the tightness of a storage environment. In the embodiment, the gas regulating membrane 17 is arranged, and the gas regulating membrane 17 is used for CO2And O2Has different permeability principles, and regulates CO in the storage environment by the respiration of the fruits and vegetables 162And O2In such a ratio that the fruit and vegetable 16 is in a suitable gas composition environment.
The top of the fresh-keeping chamber 19 is opened, the air-conditioning film 17 is covered on the top of the fresh-keeping chamber 19, the top of the fresh-keeping chamber 19 is provided with a supporting net 18, and the air-conditioning film 17 is arranged on the supporting net 18. The air-conditioned film 17 is arranged at the top of the fresh-keeping chamber 19, so that good ventilation of the air-conditioned film 17 is ensured. The damage of the modified atmosphere film 17 can be effectively prevented by arranging the supporting net 18.
Further, the modified atmosphere film 17 completely covers the top of the fresh food compartment 19.
Further, the supporting mesh 18 is a copper-plated metal mesh, and the copper-plated metal mesh has high corrosion resistance under low-temperature and high-humidity conditions.
Further, support nets 18 are provided on the top and bottom surfaces of the modified atmosphere film 17.
Fresh-keeping device still includes illumination portion, and illumination portion includes illumination parameter acquisition unit, shines unit and the control unit, and illumination parameter acquisition unit and the setting of shining the unit are in fresh-keeping room 19, and the control unit and illumination parameter acquisition unit and shine unit communication connection. The fruits and vegetables 16 can still be subjected to photosynthesis within a period of time after being picked; meanwhile, in the storage process of the fruits and vegetables 16, the biological activity of the fruits and vegetables 16 cells can be maintained through illumination treatment, the resistance effect of the fruits and vegetables to spoilage microorganisms is enhanced, and meanwhile, nutrient substances are also maintained. In this embodiment, the irradiation unit is arranged to irradiate the fruits and vegetables 16, so that the fruits and vegetables 16 are under the optimal illumination condition to reduce the reduction of the content of the nutrients.
Further, the illumination parameter acquisition unit is used for monitoring the illumination intensity in the fresh food compartment 19. The control unit controls the starting and stopping of the irradiation unit according to the illumination intensity measured by the illumination parameter acquisition unit.
Further, the irradiation unit is disposed at the top of the fresh food compartment 19.
The irradiation unit comprises a red light module 4 and a blue light module 5, the red light module 4 and the blue light module 5 alternately operate, the alternate interval time is T1, and the total light intensity of the light emitted by the red light module 4 and the blue light module 5 is 10-20 umol.m-2·s-1. By arranging the red light module 4 and the blue light module 5 and switching the red light module 4 and the blue light module 5, the fruits and vegetables 16 are ensured to be in a good illumination condition.
Further, the red light module 4 and the blue light module 5 are arranged at an even interval.
Further, the red light module 4 emits red light, and the blue light module 5 emits blue light.
Further, the red light module 4 and the blue light module 5 are both LED lamps.
Further, T1 was 30 s.
The irradiation unit further comprises an ultraviolet light module 3, the on-time length of the ultraviolet light module 3 is T2, the on-off time interval of the ultraviolet light module 3 is T3, and the light intensity of the ultraviolet light emitted by the ultraviolet light module 3 is 4-8 umol.m-2·s-1Preferably emitted by the uv module 3The light intensity of the ultraviolet light is 6-7 umol.m-2·s-1. The ultraviolet rays can not only inhibit the degradation of chlorophyll related to photosynthesis, but also have a certain killing effect on bacteria attached to the surfaces of the fruits and vegetables 16. In this embodiment, through setting up ultraviolet ray module 3 both can restrain the degradation of chlorophyll in fruit vegetables 16, still have the effect of disinfecting simultaneously.
Further, the ultraviolet light module 3 is disposed at the top of the fresh food compartment 19.
Further, T2 was 15s, and T3 was 5 min.
In another aspect of the present embodiment, a refrigeration device is provided, which comprises the fresh keeping device as described above.
Further, the refrigeration device may be a refrigerator, freezer, or the like.
Further, the refrigerating apparatus includes a refrigerating system for supplying cold to the cabinet 1 so that the temperature inside the cabinet 1 is at 2 ℃ to 8 ℃, preferably so that the temperature inside the cabinet 1 is at 4 ℃ to 6 ℃.
Further, an infrared temperature sensor 6 is arranged on the inner wall of the box body 1 and used for monitoring the temperature in the box body 1.
The preservation device provided by the embodiment of the invention can realize automatic adjustment of the humidity of the storage environment of the fruits and vegetables 16, reduce manual operation and improve user experience. The fresh-keeping device can enable the fruits and vegetables 16 to be in a good storage environment, greatly prolong the storage period of the fruits and vegetables 16, ensure the freshness of the fruits and vegetables 16 and improve the eating quality of the fruits and vegetables 16.
It is readily understood by a person skilled in the art that the advantageous ways described above can be freely combined, superimposed without conflict.
The present invention is not intended to be limited to the particular embodiments shown and described, but is to be accorded the widest scope consistent with the principles and novel features herein disclosed. The foregoing is only a preferred embodiment of the present application, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present application, and these modifications and variations should also be considered as the protection scope of the present application.

Claims (18)

1. The fresh-keeping device is characterized by comprising a box body (1), wherein a humidifying part and a fresh-keeping chamber (19) are arranged in the box body (1);
the humidifying part comprises a separation unit and a water spraying unit, the separation unit is connected with the water spraying unit and used for separating water vapor from other gases, and the water spraying unit sprays the water vapor separated by the separation unit into the fresh-keeping chamber (19).
2. The freshness retaining device according to claim 1, characterized in that the separation unit comprises a separation chamber (7), the water spray unit comprises a water spray pipe and a water spray pump (14), the water spray pump (14) is arranged on the water spray pipe, the inlet end of the water spray pipe is arranged on the separation chamber (7), the inlet end of the water spray pipe is provided with a first separation membrane (8), the first separation membrane (8) is capable of separating water vapor from other gases, and the separated water vapor enters the water spray pipe.
3. Fresh-keeping device according to claim 2, characterized in that the humidification section further comprises a dehumidification unit capable of evacuating the water vapour inside the tank (1) into the separation chamber (7).
4. The freshness retaining device according to claim 3, characterized in that the dehumidifying unit comprises an air suction pipe and an air suction pump (12), the air suction pump (12) is arranged on the air suction pipe, a discharge end of the air suction pipe is arranged on the separation chamber (7), a discharge end of the air suction pipe is provided with a second separation membrane (10), the second separation membrane (10) is capable of separating water vapor from other gases, and the separated water vapor enters the separation chamber (7).
5. Fresh-keeping device according to claim 4, characterized in that the separating chamber (7) is provided with a first opening and a second opening, the first separating membrane (8) is arranged to cover the first opening, the second separating membrane (10) is arranged to cover the second opening, the inlet end of the water spray pipe is arranged to cover the first opening, and the outlet end of the air exhaust pipe is arranged to cover the second opening.
6. Fresh-keeping device according to claim 2, characterized in that the separating chamber (7) is provided with a third opening, the third opening is covered with a third separating film (13), the third separating film (13) can separate water vapor from other gases, the separated water vapor is located in the separating chamber (7), and the separated other gases are discharged out of the separating chamber (7).
7. The freshness retaining device according to claim 2, wherein the water spray unit further comprises a spray head (15), a discharge end of the water spray pipe is communicated with the spray head (15), and the spray head (15) is provided on the freshness keeping chamber (19).
8. The freshness retaining device according to claim 7, wherein the water jet pump is a micro-fluid pump and/or the spray head (15) is an ultrasonic spray head.
9. Fresh-keeping device according to claim 4, characterized in that the fresh-keeping device further comprises a humidity monitoring unit which controls the operation of the humidifying section when the humidity in the fresh-keeping chamber (19) is lower than a first humidity threshold.
10. Fresh-keeping device according to claim 9, characterized in that the suction pipe is provided with a control valve (9);
when the humidity in the fresh-keeping chamber (19) is in a first humidity interval, the opening degree of the control valve (9) is 40% -60%, and the rotating speed of the water spraying pump is reduced to a first rotating speed;
when the humidity in the fresh-keeping chamber (19) is in a second humidity range, the opening degree of the control valve (9) is 10% -30%, and the rotating speed of the water spraying pump is reduced to a second rotating speed;
and when the humidity in the fresh-keeping chamber (19) is in a third humidity interval, closing the control valve (9) and reducing the rotating speed of the water spraying pump to a third rotating speed.
11. Fresh-keeping device according to claim 10, characterized in that the humidity monitoring unit comprises a humidity detector (2) and a humidity controller (11), the humidity detector (2) being arranged inside the fresh-keeping chamber (19), the humidity controller (11) being in communication connection with the humidity detector (2), the suction pump (12), the water spray pump (14), the control valve (9).
12. The preservation device according to claim 1, characterized in that the preservation chamber (19) is provided with an opening, and the opening is covered with a modified atmosphere film (17).
13. The preservation apparatus according to claim 12, wherein the top of the preservation chamber (19) is open, the modified atmosphere film (17) is covered on the top of the preservation chamber (19), a support net (18) is arranged on the top of the preservation chamber (19), and the modified atmosphere film (17) is arranged on the support net (18).
14. The freshness keeping device according to claim 1, further comprising an illumination portion, wherein the illumination portion comprises an illumination parameter acquisition unit, an illumination unit and a control unit, the illumination parameter acquisition unit and the illumination unit are arranged in the freshness keeping chamber (19), and the control unit is in communication connection with the illumination parameter acquisition unit and the illumination unit.
15. The freshness protection device according to claim 14, wherein the illumination unit comprises a red light module (4) and a blue light module (5), the red light module (4) and the blue light module (5) operate alternately with an interval of T1, and the total light intensity of the emitted light of the red light module (4) and the blue light module (5) is 10-20 umol-m-2·s-1。
16. The freshness keeping device according to claim 15, wherein the irradiation unit further comprises an ultraviolet light module (3), the on time length of the ultraviolet light module (3) is T2, the on and off time interval of the ultraviolet light module (3) is T3, and the light intensity of the ultraviolet light emitted by the ultraviolet light module (3) is 4-8 umol-m-2·s-1。
17. The freshness preservation device of claim 16, wherein T1 is 30s, T2 is 15s, and T3 is 5 min.
18. A cold storage device, comprising a freshness retaining device according to any one of claims 1 to 17.
CN202010467252.0A 2020-05-28 2020-05-28 Fresh-keeping device and refrigeration equipment Pending CN111685175A (en)

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CN202010467252.0A CN111685175A (en) 2020-05-28 2020-05-28 Fresh-keeping device and refrigeration equipment

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CN111685175A true CN111685175A (en) 2020-09-22

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