CN113180099A - Air-conditioning dynamic fresh-keeping device - Google Patents
Air-conditioning dynamic fresh-keeping device Download PDFInfo
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- CN113180099A CN113180099A CN202110291847.XA CN202110291847A CN113180099A CN 113180099 A CN113180099 A CN 113180099A CN 202110291847 A CN202110291847 A CN 202110291847A CN 113180099 A CN113180099 A CN 113180099A
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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
- A23B7/144—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
- A23B7/152—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 comprising other gases in addition to CO2, N2, O2 or H2O ; Elimination of such other gases
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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
- A23B7/04—Freezing; Subsequent thawing; Cooling
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- Storage Of Fruits Or Vegetables (AREA)
- Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
Abstract
The invention discloses an air-conditioning dynamic fresh-keeping device, which comprises a fresh-keeping storehouse and CO2Removing device, CO2The device comprises a concentration sensor, a humidity sensor, a temperature sensor, an ethylene concentration sensor, an exhaust valve, a lead screw driving part, a moisture supplementing part, an ethylene removing part, a refrigerating part, a nitrogen supplementing part, an ozone generating part, a comb tooth part and a controller; the fresh-keeping storehouse is provided with a fresh-keeping chamber and an equipment chamber; the exhaust valve is arranged in the fresh-keeping chamber; the comb teeth part comprises a first comb teeth part and a second comb teeth part, and comb teeth can be exchanged between the first comb teeth part and the second comb teeth part; CO 22The concentration sensor, the humidity sensor, the temperature sensor, the ethylene concentration sensor, the lead screw driving part and the comb tooth part are all arranged in the fresh-keeping chamber; the second comb tooth piece is arranged on the side surface of the fresh-keeping chamber, the first comb tooth piece is arranged on the lead screw driving part, and the lead screw driving part drives the first comb tooth piece to move up and down corresponding to the second comb tooth piece; the moisture supplementing part, the ethylene removing part, the refrigerating part, the nitrogen supplementing part and the ozone generating part are arranged onThe fresh-keeping storehouses are electrically connected with the controller.
Description
Technical Field
The invention relates to fruit and vegetable fresh-keeping equipment, in particular to an air-conditioning dynamic fresh-keeping device.
Background
With the development of modern science and technology and the improvement of the quality of life of people, the demand of people on agricultural products is also improved. Because of different regions, agricultural products produced in some regions have good quality and high value; when the agricultural products are transported to other regions, the preservation of the agricultural products is a technical problem to be solved urgently.
The agricultural product fresh-keeping mode has been reformed for three times so far; the first time is the traditional fresh-keeping mode, namely a direct natural fresh-keeping mode, such as simple fresh-keeping methods using a cellar, a ventilation warehouse and the like; the second time, a mechanical refrigeration fresh-keeping mode is adopted, such as fresh-keeping equipment such as a high-temperature cold storage, a ventilation storage, a refrigerated container and the like; the third time is the current modified atmosphere preservation mode.
The air-conditioned cold store is also called air-conditioned storage, which is the current common fresh-keeping storage method for fruits and vegetables. On the basis of refrigeration, the air composition regulation is added, and the respiration of fruits and vegetables is inhibited, the metabolism process of the fruits and vegetables is delayed, the freshness and commodity of the fruits and vegetables are better kept, and the storage period and the preservation period of the fruits and vegetables are prolonged by controlling the conditions of temperature, humidity, carbon dioxide, oxygen concentration, ethylene concentration and the like in the storage environment.
Although the air-conditioned cold store becomes the commonly used fresh-keeping equipment at present, the air-conditioned cold store still has innovative improvement; when the vegetable baskets or woven bags containing fruits and vegetables are filled into the air-conditioned storehouse, the vegetable baskets or woven bags are stacked, so that the accumulated height is higher, and inconvenience is brought to storehouse filling.
Disclosure of Invention
The invention aims to provide a modified atmosphere dynamic fresh-keeping device aiming at the defects of the prior art.
In order to realize the purpose of the invention, the following technical scheme is adopted:
an air-conditioning dynamic fresh-keeping device comprises a fresh-keeping storehouse, a fresh-keeping chamber, an equipment chamber and CO2Removing device, CO2The device comprises a concentration sensor, a humidity sensor, a temperature sensor, an ethylene concentration sensor, an exhaust valve, a lead screw driving part, a moisture supplementing part, an ethylene removing part, a refrigerating part, a nitrogen supplementing part, an ozone generating part, a comb tooth part, a first comb tooth part, a second comb tooth part, a nitrogen concentration sensor and a controller; the fresh-keeping storehouse is provided with a fresh-keeping chamber and an equipment chamber; the exhaust valve is arranged in the fresh-keeping chamber; the comb teeth part comprises a first comb teeth part and a second comb teeth part, and comb teeth can be exchanged between the first comb teeth part and the second comb teeth part; the nitrogen concentration sensor and CO2The concentration sensor, the humidity sensor, the temperature sensor, the ethylene concentration sensor, the lead screw driving part and the comb tooth part are all arranged in the fresh-keeping chamber; the second comb teethThe first comb tooth piece is arranged on the side surface of the fresh-keeping chamber, the lead screw driving part drives the first comb tooth piece to move up and down corresponding to the second comb tooth piece; one ends of the moisture supplementing part, the ethylene removing part, the refrigerating part, the nitrogen supplementing part and the ozone generating part are installed in the equipment room, and the other ends of the moisture supplementing part, the ethylene removing part, the refrigerating part, the nitrogen supplementing part and the ozone generating part extend to the fresh-keeping room; wherein said CO is2Removing device, CO2Concentration sensor, nitrogen gas concentration sensor, humidity transducer, temperature sensor, ethylene concentration sensor, lead screw drive portion, moisturizing portion, ethylene desorption portion, refrigeration portion, nitrogen gas make up portion, ozone generation portion all with the controller electricity is connected.
The working principle is as follows:
the controller is based on the nitrogen concentration sensor and CO2The data signal information of the concentration sensor, the humidity sensor, the temperature sensor and the ethylene concentration sensor regulates and controls CO2The remover, the moisture supplementing part, the ethylene removing part, the refrigerating part, the nitrogen supplementing part and the ozone generating part work in a cooperative mode, so that a fresh-keeping environment is provided for the fruits and the vegetables in the fresh-keeping chamber, and dynamic adjustment can be achieved. As the common knowledge in the field, the controller used in the scheme and the action control of each device connected with the controller belong to mature singlechip technology, can be easily purchased from the market, and can be used after being simply debugged.
As a further improvement of the technical scheme, the screw driving part comprises a screw driving motor, a screw and a thread sleeve; the lead screw is in transmission connection with a lead screw driving motor; the threaded sleeve is sleeved with the lead screw and is in threaded connection with the lead screw; wherein, the first comb tooth part is connected with the threaded sleeve.
As a further improvement of the technical scheme, the moisture supplementing part comprises a moisture supplementing part, a water tank, a water suction pump and a moisture supplementing main pipe; the moisture supplementing piece is arranged in the fresh-keeping chamber; the water tank is arranged in the equipment room; the suction pump is installed in the water tank, and its one end and the water tank of this suction pump are connected.
As a further improvement of the technical scheme, the air-conditioning dynamic fresh-keeping device also comprises a water-controlling electromagnetic valve and a liquid level meter; the water control electromagnetic valve is arranged on the moisturizing main pipe; the liquid level meter is arranged in the water tank and used for monitoring the liquid level in the water tank.
As a further improvement of the technical scheme, the water tank comprises a water storage chamber and a refrigerant chamber; the water storage chamber and the refrigerant chamber are arranged in parallel; wherein, the refrigerant chamber is used for placing refrigerant.
As a further improvement of the technical proposal, the ozone generating part comprises an ozone generator, an ozone conveying pipe and an ozone nozzle; the ozone generator is arranged in the equipment chamber; one end of the ozone conveying pipe is connected with the ozone generator, the other end of the ozone conveying pipe extends towards the fresh-keeping chamber, and at least one ozone nozzle is arranged at the other end of the ozone conveying pipe.
As a further improvement of the technical scheme, at least two ozone conveying pipes are arranged in the fresh-keeping chamber.
As a further improvement of the technical scheme, the nitrogen supplementing part comprises a nitrogen tank, a nitrogen electromagnetic valve and a nitrogen conveying pipe; the nitrogen tank is arranged in the equipment room; one end of the nitrogen conveying pipe is connected with the nitrogen tank, and the other end of the nitrogen conveying pipe extends into the fresh-keeping chamber; the nitrogen electromagnetic valve is arranged on the nitrogen conveying pipe and is positioned in the equipment room; wherein, the nitrogen solenoid valve is electrically connected with the controller.
As a further improvement of the technical scheme, the air-conditioning dynamic fresh-keeping device also comprises a nitrogen pressure sensor; the nitrogen pressure sensor is arranged in the nitrogen tank and used for monitoring the air pressure in the nitrogen tank; wherein, the nitrogen pressure sensor is electrically connected with the controller.
As a further improvement of the technical scheme, the air-conditioning dynamic fresh-keeping device also comprises a support frame; the support frame is arranged in the equipment room and divides the equipment room into two layers.
Compared with the prior art, the invention has the remarkable improvements that:
1. the lead screw driving part and the comb tooth part are arranged in the fresh-keeping chamber, the comb tooth part is divided into the first comb tooth part and the second comb tooth part, comb teeth of the first comb tooth part and the second comb tooth part are exchanged, the lead screw driving part drives the first comb tooth part to be separated from the second comb tooth part, fruits and vegetables which are firstly arranged on the first comb tooth part can be lifted upwards, and then the fruits and vegetables are arranged on the second comb tooth part, so that the problem that the fruits and vegetables are not easy to arrange when the stacking height is too high during arrangement of the fruits and vegetables is solved, the convenience for arrangement of the fruits and vegetables is improved, the arrangement workload is saved, and the warehousing efficiency of the fruits and vegetables can be effectively improved.
2. The controller is adopted to control all the components to work coordinately, so that automatic fresh keeping in the fresh-keeping chamber is realized; i.e. the controller according to the nitrogen concentration sensor and CO2The data signal information of the concentration sensor, the humidity sensor, the temperature sensor and the ethylene concentration sensor regulates and controls CO2The remover, the moisture supplementing part, the ethylene removing part, the refrigerating part, the nitrogen supplementing part and the ozone generating part work in a cooperative mode, so that a fresh-keeping environment is provided for the fruits and the vegetables in the fresh-keeping chamber, and dynamic adjustment can be achieved. Can effectively prolong the storage period of the fruits and the vegetables and keep the quality of the fruits and the vegetables.
3. When the nitrogen is introduced into the fresh-keeping chamber to replace gas, the gas in the fresh-keeping chamber is discharged outwards through the exhaust valve, so that oxygen, carbon dioxide and ethylene generated in the fresh-keeping chamber can be discharged outwards together, and the concentrations of the oxygen, the carbon dioxide and the ethylene are reduced; can greatly realize the fresh-keeping effect in the fresh-keeping chamber and is beneficial to keeping the quality of fruits and vegetables.
4. According to the invention, the moisturizing part is arranged in the middle of the first comb tooth part, and can moisturize the fruits and vegetables below the first comb tooth part, so that moisturizing can be better realized in the whole fresh-keeping chamber.
Drawings
In order to more clearly illustrate the detailed description of the invention or the technical solutions in the prior art, the drawings that are needed in the detailed description of the invention or the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
FIG. 1 is a schematic view of a modified atmosphere dynamic preservation apparatus according to the present invention;
FIG. 2 is a schematic structural view of the installation of the lead screw driving part and the first comb tooth member in the present invention;
FIG. 3 is a schematic structural view of the first comb-shaped member of FIG. 2 with a moisture compensating member mounted thereon;
FIG. 4 is a schematic structural diagram of the screw driving part, the first comb tooth member and the second comb tooth member according to the present invention;
FIG. 5 is a schematic view of the water tank and the water pump of the moisturizing section of the present invention;
FIG. 6 is a schematic view showing the construction of a nitrogen tank in a nitrogen gas section in the present invention;
FIG. 7 is a schematic structural view of a moisturizing member of the moisturizing portion of the present invention;
FIG. 8 is a schematic view showing the structure of the connection between an ozone supply pipe and an ozone nozzle in an ozone generating part according to the present invention;
FIG. 9 is a schematic view of the structure of the fresh-keeping storehouse of the present invention;
FIG. 10 is a comparison of 8 days after the sugar orange is preserved according to the present invention;
FIG. 11 is a comparison of the fresh keeping of sugar oranges for 16 days according to the present invention;
names and serial numbers of the components in the figure:
1-fresh-keeping storehouse, 101-fresh-keeping room, 102-equipment room, 1021-support frame, 103-storehouse door, 2-lead screw driving part, 201-lead screw driving motor, 202-lead screw, 203-thread sleeve, 3-CO2Concentration sensor, 4-ozone nozzle, 5-ozone delivery pipe, 6-comb part, 61-first comb tooth part, 62-second comb tooth part, 7-moisturizing part, 71-moisturizing pipe, 72-atomizing nozzle, 8-humidity sensor, 9-temperature sensor, 10-ethylene concentration sensor, 11-exhaust valve, 12-nitrogen solenoid valve, 13-ozone generator, 14-nitrogen pressure sensor, 15-nitrogen tank, 16-refrigeration part, 17-ethylene remover, 18-water tank, 181-water storage chamber, 182-refrigerant chamber, 19-water pump, 20-water control solenoid valve, 21-moisturizing header pipe, 22-liquid level meter, 23-CO2A remover, 24-a controller, 25-a nitrogen conveying pipe and 26-a nitrogen concentration sensor.
Detailed Description
In order to make the technical solutions in the present application better understood, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings and embodiments, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and all other embodiments obtained by a person of ordinary skill in the art without making creative efforts based on the embodiments in the present application shall fall within the protection scope of the present application.
Example 1:
as shown in figures 1 to 9, the air-conditioning dynamic fresh-keeping device comprises a fresh-keeping storehouse 1, a fresh-keeping chamber 101, an equipment chamber 102 and CO2Remover 23, CO2The system comprises a concentration sensor 3, a humidity sensor 8, a temperature sensor 9, an ethylene concentration sensor 9, an exhaust valve 11, a lead screw driving part 2, a moisture supplementing part, an ethylene removing part, a refrigerating part, a nitrogen supplementing part, an ozone generating part, a comb tooth part 6, a first comb tooth part 61, a second comb tooth part 62, a nitrogen concentration sensor 26 and a controller 24; the fresh-keeping warehouse 1 is provided with a fresh-keeping chamber 101 and an equipment chamber 102; the exhaust valve 11 is shown mounted in the fresh food compartment 101; the comb-tooth part 6 comprises a first comb-tooth piece 61 and a second comb-tooth piece 62, and the first comb-tooth piece 61 and the second comb-tooth piece 62 can be subjected to comb tooth exchange; the nitrogen concentration sensor 26, CO2The concentration sensor 3, the humidity sensor 8, the temperature sensor 9, the ethylene concentration sensor 9, the lead screw driving part 2 and the comb tooth part 6 are all arranged in the fresh-keeping chamber 101; the second comb-tooth part 62 is installed at the side of the fresh food compartment 101, the first comb-tooth part 61 is installed at the screw driving part 2, and the screw driving part 2 drives the first comb-tooth part 61 to move up and down corresponding to the second comb-tooth part 62; one end of the moisture supplementing part, the ethylene removing part, the refrigerating part, the nitrogen supplementing part and the ozone generating part is arranged in the equipment room 102, and the other end of the moisture supplementing part, the ethylene removing part, the refrigerating part, the nitrogen supplementing part and the ozone generating part extends to the fresh-keeping room 101; wherein said CO is2Remover 23, CO2The concentration sensor 3, the nitrogen concentration sensor 26, the humidity sensor 8, the temperature sensor 9, the ethylene concentration sensor 9, the lead screw driving part 2, the moisture supplementing part, the ethylene removing part, the refrigerating part, the nitrogen supplementing part and the ozone generating part are all electrically connected with the controller 24.
The controller 24 is provided with a touch display screen, and data can be input on the touch display screen so as to modify the regulation and control parameters of the corresponding components. Touch display screen displaying CO2Remover 23, CO2The working conditions of a concentration sensor 3, a humidity sensor 8, a temperature sensor 9, an ethylene concentration sensor 9, a screw driving part 2, a moisture supplementing part, an ethylene removing part, a refrigerating part, a nitrogen supplementing part and an ozone generating part.
The ethylene removing part adopts an ethylene removing machine, and the ethylene removing part extracts gas in the fresh-keeping chamber and returns the fresh-keeping chamber after removing ethylene. The ethylene is effectively removed, so that the fruits and vegetables in the fresh-keeping chamber are protected, and the fresh-keeping time of the fruits and vegetables in the fresh-keeping chamber is prolonged.
The refrigeration portion provides the refrigeration for the fresh-keeping room, can make the temperature of fresh-keeping room be 0 ~ 8 ℃, can provide better fresh-keeping temperature for the fruit vegetables.
The fresh-keeping chamber 101 is provided with a constant pressure sensor, which is beneficial to regulating and controlling the air pressure in the fresh-keeping chamber to be stable. The constant voltage sensor is electrically connected with the controller.
The fresh-keeping chamber 101 is provided with a storage door 103 through which fruits and vegetables can be conveniently loaded into or unloaded from the fresh-keeping chamber.
The specific working mode is as follows:
the first comb-tooth part 61 of the comb-tooth part 6 is adjusted to the second comb-tooth part 62 through the lead screw driving part 2, the first comb-tooth part 61 is in comb-tooth fit with the second comb-tooth part 62, the first comb-tooth part 61 is inserted into the second comb-tooth part 62, and the top surface of the first comb-tooth part 61 is aligned with the top surface of the second comb-tooth part 62; at this moment, the fruits and vegetables are loaded on the top of the comb tooth part 6, when the loaded fruits and vegetables are cumulatively increased to the half height of the top surface of the first comb tooth part 61 from the top surface of the fresh keeping chamber 101, the lead screw driving part 2 can be started through the controller 24, the lead screw driving part 2 drives the first comb tooth part 61 to move upwards from the second comb tooth part 62, when the fruits and vegetables are moved to the position about 10cm away from the top surface of the fresh keeping chamber, the lead screw driving part 2 can be stopped, the first comb tooth part 61 stops rising, and the lead screw driving part 2 props up the first comb tooth part 61.
After the screw driving part 2 is stopped, the fruits and vegetables can be loaded into the top of the second comb-tooth part 62, and the first comb-tooth part 61 is loaded with the fruits and vegetables at first and then ascends, so that the height of the fruits and vegetables to be loaded on the second comb-tooth part 62 is reduced; the method can greatly save the labor amount of warehousing, can greatly shorten the time of warehousing the fruits and the vegetables, strives for precious preservation time for the fruits and the vegetables, and is favorable for maintaining the quality of the fruits and the vegetables.
After the fruits and vegetables are put in the warehouse, an automatic control command is input into the controller through the touch display screen of the controller 24, and the controller 24 completes automatic fresh-keeping control work on the fresh-keeping chamber 101 according to the command.
The fresh-keeping working process comprises the following steps:
the refrigerating part refrigerates the fresh-keeping chamber 101, and the refrigerating temperature is set according to the variety of the fruits and vegetables; then, conveying ozone into the fresh-keeping chamber 101 through the ozone generating part, and keeping for 20-25 minutes; sterilizing the fresh-keeping chamber 101 by ozone; the fresh-keeping room is refrigerated through the refrigeration portion, and the room temperature in fresh-keeping room reduces, and the fruit vegetables temperature in the fresh-keeping room is along with descending, and the fruit vegetables breathing weakens, reduces the nutrient substance loss.
Then, the controller 24 sends control instruction signals to the nitrogen supplementing part, the exhaust valve 11 and the moisture supplementing part respectively, and the nitrogen supplementing part starts to work according to the received corresponding control instructions, namely, nitrogen is filled into the fresh-keeping chamber 101; meanwhile, the exhaust valve 11 is opened according to the received corresponding control instruction, the gas in the fresh-keeping chamber 101 is exhausted outwards through the exhaust valve 11, ozone is unstable and is converted into oxygen in the fresh-keeping chamber, nitrogen is introduced into the fresh-keeping chamber, and the gas in the fresh-keeping chamber is exhausted outwards through the exhaust valve; meanwhile, the moisturizing part moisturizes the fresh-keeping chamber according to a control instruction sent by the controller; in the process, the gas in the fresh-keeping chamber is replaced by nitrogen, so that the oxygen concentration in the fresh-keeping chamber is effectively reduced by converting ozone into oxygen in the ozone sterilization process, the moisture supplementing part timely supplements moisture to the fresh-keeping chamber, and the water transpiration effect of fruits and vegetables caused by gas flow can be reduced; when the nitrogen concentration sensor 26 monitors that the nitrogen concentration reaches a set value, a signal is sent to the controller 24, and the controller 24 controls the discharge valve 11 to be closed according to the signal; when the constant pressure sensor monitors that the air pressure in the fresh-keeping chamber reaches a set value, the controller 24 controls the nitrogen supplementing part to stop conveying nitrogen.
When the temperature sensor 9 monitors that the room temperature in the fresh-keeping chamber 101 reaches a set temperature, the temperature sensor 9 sends a signal to the controller 24, and the controller 24 sends a control signal to the refrigerating part according to the signal, so that the refrigerating part performs constant-temperature refrigeration, and the relative constant temperature of the fresh-keeping chamber 101 is favorably realized; when the humidity sensor 8 monitors that the humidity in the fresh-keeping chamber 101 is lower than a set value, a signal is sent to the controller 24, the controller 24 controls the moisture supplementing part to supplement moisture into the fresh-keeping chamber 101 according to the signal, and the moisture supplementing part supplements moisture into the fresh-keeping chamber in time, so that the air temperature drying in the fresh-keeping chamber is avoided, the transpiration of fruits and vegetables is effectively reduced, and the moisture of the fruits and vegetables is powerfully protected; the ethylene concentration sensor 10 monitors the ethylene concentration in the fresh-keeping chamber 101, when the ethylene concentration is monitored to reach a set value, the ethylene concentration sensor 10 sends a signal to the controller 24, the controller sends a control instruction to the ethylene removal part according to the signal to control the ethylene removal part to start, the ethylene removal part extracts gas in the fresh-keeping chamber to remove ethylene, and the gas after ethylene removal returns to the fresh-keeping chamber; CO 22Concentration sensor 3 monitors CO in the fresh food compartment 1012Concentration of when CO2The concentration sensor 3 monitors CO in the fresh-keeping chamber 1012When the concentration reaches the set value, CO2The concentration sensor 3 sends a signal to the controller 24, and the controller 24 controls the CO according to the signal2The ejector 23 is activated, CO2The remover 23 extracts the gas in the fresh-keeping chamber 101 for CO2Removing CO and CO2The latter gas is returned to the fresh food compartment 101. When the ethylene and the carbon dioxide are removed, the air pressure in the fresh keeping chamber is relatively reduced, and at the moment, the controller 24 controls the nitrogen supplementing part to supplement nitrogen into the fresh keeping chamber so as to compensate the pressure difference.
The lead screw driving part and the comb tooth part are arranged in the fresh-keeping chamber, the comb tooth part is divided into the first comb tooth part and the second comb tooth part, comb teeth of the first comb tooth part and the second comb tooth part are exchanged, the lead screw driving part drives the first comb tooth part to be separated from the second comb tooth part, fruits and vegetables which are firstly arranged on the first comb tooth part can be lifted upwards, and then the fruits and vegetables are arranged on the second comb tooth part, so that the problem that the fruits and vegetables are not easy to arrange when the stacking height is too high during arrangement of the fruits and vegetables is solved, the convenience for arrangement of the fruits and vegetables is improved, the arrangement workload is saved, and the warehousing efficiency of the fruits and.
The controller is adopted to control all the components to work coordinately, so that automatic fresh keeping in the fresh-keeping chamber is realized; i.e. the controller according to the nitrogen concentration sensor and CO2The data signal information of the concentration sensor, the humidity sensor, the temperature sensor and the ethylene concentration sensor regulates and controls CO2The remover, the moisture supplementing part, the ethylene removing part, the refrigerating part, the nitrogen supplementing part and the ozone generating part work in a cooperative mode, so that a fresh-keeping environment is provided for the fruits and the vegetables in the fresh-keeping chamber, and dynamic adjustment can be achieved. Can effectively prolong the storage period of the fruits and the vegetables and keep the quality of the fruits and the vegetables.
Example 2:
compared with example 1, the difference is that: a structural form of the screw drive is provided.
As shown in fig. 2 and 3, the screw driving part 2 includes a screw driving motor 201, a screw 202, and a thread bush 203; the lead screw 202 is in transmission connection with a lead screw driving motor 201; the threaded sleeve 203 is sleeved on the lead screw 202 and is in threaded connection with the lead screw 202; wherein the first comb member 61 is connected with the thread bushing 203.
The threaded sleeve 203 is threadedly connected with the lead screw 202. The rotation is stable.
The working mode is as follows:
the screw rod driving motor 201 drives the screw rod 202 to rotate, and the screw rod 202 drives the threaded sleeve 203 to move up and down along the screw rod 202; that is, when the first comb tooth part 61 needs to be separated from the second comb tooth part 62, the lead screw 202 drives the threaded sleeve 203 to move upwards, so that the threaded sleeve 203 drives the first comb tooth part 61 to move upwards, and the first comb tooth part is separated from the second comb tooth part; when the first comb tooth piece 61 is required to be downwards moved to the second comb tooth piece 62, the screw rod 202 drives the threaded sleeve 203 to move downwards, so that the threaded sleeve 203 drives the first comb tooth piece 61 to move downwards, and the first comb tooth piece is inserted into the second comb tooth piece.
Example 3:
compared with example 1 or 2, the difference is that: one structural form of the moisturizing part is given.
As shown in fig. 1 and 5, the moisturizing part comprises a moisturizing piece 7, a water tank 18, a water suction pump 19 and a moisturizing main pipe 21; the moisture supplementing piece 7 is arranged in the fresh-keeping chamber 101; the water tank 18 is mounted in the equipment room 102; the water pump 19 is installed on the water tank 18, and one end of the water pump 19 is connected with the water tank 18.
The suction pump 19 is electrically connected to the controller 24.
The middle part of the first comb tooth piece 61 is provided with a moisturizing piece which can moisturize the fruits and vegetables below the first comb tooth piece, so that the fruits and vegetables in the fresh-keeping chamber can be effectively moisturized; can effectively improve the fresh-keeping effect and keep the quality of the fruits and the vegetables.
As shown in fig. 7, the humidifying element 7 includes a humidifying pipe 71 and a plurality of atomizing nozzles 72, and the humidifying pipe 71 is provided with the plurality of atomizing nozzles 72. The number of the atomizing nozzles on each moisturizing pipe is usually 1, 2, 3, 4, 5, 6, 7, 8, 9 or 10. The atomizing nozzle can spray water conveyed by the moisturizing pipe outwards in an atomizing mode, so that the water is softer, fruits and vegetables are effectively protected, and the fruits and vegetables are prevented from being damaged.
The working mode is as follows:
when the moisture is supplemented, the controller 24 controls the water suction pump 19 to work, the water suction pump 19 sucks water in the water tank 18 and then conveys the water to the moisture supplementing main pipe 21, the moisture supplementing main pipe 21 conveys the water to the moisture supplementing piece 7, and the moisture supplementing piece 7 supplements moisture to the fresh-keeping chamber 101 in an atomization mode;
when the humidity sensor 8 detects the required humidity, a signal is sent to the controller 24, and the controller 24 controls the water pump 19 to stop working according to the signal, that is, the moisture supplement member 7 stops supplementing moisture to the fresh food compartment 101.
Example 4:
compared with example 3, the difference is that: a water control electromagnetic valve 20 and a liquid level meter 22 are additionally installed.
As shown in fig. 1 and 5, the water control solenoid valve 20 is installed in the moisturizing main pipe 21; the level gauge 22 is mounted to the tank 18 for monitoring the level of liquid in the tank 18. The water control solenoid valve 20 and the liquid level meter 22 are electrically connected with a controller 24.
The water control electromagnetic valve 20 can regulate the water quantity delivered to the moisturizing piece 7 by the moisturizing main pipe 21, so that the atomization quantity sprayed by the moisturizing piece can be regulated.
The gauge 22 conveys the level information in the tank 18 to the controller 24 and displays it on a touch screen display of the controller 24 so that the operator knows the level of the liquid in the tank.
Example 5:
the difference compared to example 3 or 4 is that: one structural form of the water tank is provided.
As shown in fig. 5, the water tank 18 includes a water storage chamber 181 and a refrigerant chamber 182; the water storage chamber 181 is arranged in parallel with the refrigerant chamber 182; wherein the refrigerant chamber 182 is used for placing refrigerant.
The heat exchange between the refrigerant in the refrigerant chamber 182 and the water in the water storage chamber 181 is realized, which is beneficial to ensuring that the temperature of the water in the water storage chamber 181 is close to 0 ℃; therefore, in the process of moisturizing, the temperature difference between the temperature and the water in the fresh-keeping chamber can be greatly reduced, the severe heat exchange between the room temperature and the water in the fresh-keeping chamber during moisturizing is avoided, the freshness of fruits and vegetables can be favorably kept, and the nutrition loss of the fruits and vegetables is greatly reduced.
Example 6:
compared with any of examples 1 to 5, the difference is that: one structural form of the ozone generating part is given.
As shown in fig. 1 and 8, the ozone generating part comprises an ozone generator 13, an ozone delivery pipe 5 and an ozone nozzle 4; the ozone generator 13 is arranged in the equipment chamber 102; one end of the ozone conveying pipe 5 is connected with the ozone generator 13, the other end of the ozone conveying pipe extends towards the fresh-keeping chamber 101, and at least one ozone nozzle 4 is arranged at the other end of the ozone conveying pipe.
The number of the ozone shower heads 4 is usually 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, or the like. When a plurality of shower nozzles are installed to the quantity, can more do benefit to and disinfect in the fresh-keeping room, can realize disinfecting comprehensively, can improve the efficiency of disinfecting again. And gas can be supplemented into the fresh-keeping chamber to reach gaseous equilibrium quickly.
Example 7:
compared with example 6, the difference is that: a plurality of ozone conveying pipes are arranged in the fresh-keeping chamber.
As shown in fig. 1, at least two ozone delivering pipes 5 are installed in the fresh food compartment 101. The ozone delivery pipe 5 is usually installed in 2, 3, 4, 5, 6, 7, 8, 9 or 10 pieces. When in installation, the ozone conveying pipe 5 is arranged on the side surface of the fresh-keeping chamber; can be arranged on the inner side surfaces of two corresponding fresh-keeping chambers, and is beneficial to quickly filling ozone into the fresh-keeping chambers for sterilization.
Example 8:
compared with any of examples 1 to 7, the difference is that: one structural form of the nitrogen supplement part is given.
As shown in fig. 1 and 6, the nitrogen supplementing part includes a nitrogen tank 15, a nitrogen solenoid valve 12, and a nitrogen delivery pipe 25; the nitrogen tank 15 is installed in the equipment room 102; one end of the nitrogen conveying pipe 25 is connected with the nitrogen tank 15, and the other end thereof extends into the fresh-keeping chamber 101; the nitrogen electromagnetic valve 12 is arranged on the nitrogen conveying pipe 25 and is positioned in the equipment room 102; wherein, the nitrogen electromagnetic valve 12 is electrically connected with the controller 24.
Example 9:
compared with example 8, the difference is that: a nitrogen pressure sensor 14 is additionally installed.
As shown in fig. 1 and 6, the nitrogen pressure sensor 14 is installed in the nitrogen tank 15 for monitoring the gas pressure inside the nitrogen tank 14; wherein the nitrogen pressure sensor 14 is electrically connected to the controller 24.
The nitrogen pressure sensor 14 monitors the air pressure in the nitrogen tank 15 in real time, transmits the monitored air pressure data to the controller 24, and displays the data on a touch screen display of the controller; the operating personnel of being convenient for reads the nitrogen gas atmospheric pressure information in the nitrogen gas jar from touch display screen. When the air pressure in the nitrogen tank is too low, an operator can timely supplement nitrogen into the nitrogen tank after knowing the air pressure through the touch display screen.
Example 10:
compared with any of examples 1 to 9, the difference is that: a support frame 1021 is additionally installed.
As shown in fig. 9, the support frame 1021 is placed in the equipment room 102 to divide the equipment room 102 into two layers. The parts installed in the equipment room can be installed in a layered mode, and the parts in the equipment room can be integrally installed.
The modified atmosphere dynamic preservation device is used for preserving sugar oranges, fig. 10 is a comparison graph of sugar oranges preserved for 8 days by adopting the modified atmosphere dynamic preservation device and low-temperature refrigeration respectively, fig. 10A in fig. 10 is the sugar oranges preserved by the modified atmosphere dynamic preservation device, and fig. 10B in fig. 10 is the sugar oranges preserved by the low-temperature refrigeration. The comparison shows that the sugar oranges obtained by the method are bright in appearance, free of wrinkles and shrivelled leaves, and good in fruit quality; as can be seen from fig. 10B, the surface of the sugar oranges obtained by low-temperature refrigeration had appeared remarkably wrinkled, partially rotted and severely lost nutrients.
Fig. 11 is a comparison graph of sugar oranges kept fresh for 16 days by the modified atmosphere dynamic preservation device and the low-temperature refrigeration respectively, fig. 11A in fig. 11 is the sugar oranges kept fresh by the modified atmosphere dynamic preservation device, and fig. 11B in fig. 11 is the sugar oranges kept cold at the low temperature. The comparison shows that after 16 days of fresh keeping, the sugar oranges obtained by the fresh keeping method have bright appearance, slight wrinkles, slightly shriveled leaves and good fruit quality; as can be seen from fig. 10B, the surface of the sugar oranges obtained by low-temperature refrigeration has severe wrinkles, the fruit rot is increased, and the fruit nutrition loss is severe.
Therefore, the air-conditioning dynamic fresh-keeping device has good effect on keeping fruits and vegetables fresh, can be beneficial to prolonging the storage period, has no obvious difference in freshness of the fruits and vegetables, and keeps the quality of the fruits and vegetables.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are intended to be within the scope of the invention.
Claims (10)
1. The air-conditioning dynamic fresh-keeping device is characterized by comprising a fresh-keeping storehouse (1) and a fresh-keeping chamber (10)1) An equipment room (102), CO2A remover (23), CO2The device comprises a concentration sensor (3), a humidity sensor (8), a temperature sensor (9), an ethylene concentration sensor (9), an exhaust valve (11), a lead screw driving part (2), a moisture supplementing part, an ethylene removing part, a refrigerating part, a nitrogen supplementing part, an ozone generating part, a comb tooth part (6), a first comb tooth part (61), a second comb tooth part (62), a nitrogen concentration sensor (26) and a controller (24);
the fresh-keeping storehouse (1) is provided with a fresh-keeping chamber (101) and an equipment chamber (102);
the exhaust valve (11) is arranged in the fresh-keeping chamber (101);
the comb teeth part (6) comprises a first comb teeth part (61) and a second comb teeth part (62), and comb teeth of the first comb teeth part (61) and the second comb teeth part (62) can be exchanged;
the CO is2A concentration sensor (3), a nitrogen concentration sensor (26), a humidity sensor (8), a temperature sensor (9), an ethylene concentration sensor (9), a screw rod driving part (2) and a comb tooth part (6) are all arranged in the fresh-keeping chamber (101);
the second comb-tooth part (62) is arranged on the side surface of the fresh-keeping chamber (101), the first comb-tooth part (61) is arranged on the lead screw driving part (2), and the lead screw driving part (2) drives the first comb-tooth part (61) to move up and down corresponding to the second comb-tooth part (62);
one ends of the moisture supplementing part, the ethylene removing part, the refrigerating part, the nitrogen supplementing part and the ozone generating part are installed in the equipment room (102), and the other ends of the moisture supplementing part, the ethylene removing part, the refrigerating part, the nitrogen supplementing part and the ozone generating part extend to the fresh-keeping room (101);
wherein the exhaust valve (11), the nitrogen concentration sensor (26), and CO2A remover (23), CO2Concentration sensor (3), humidity transducer (8), temperature sensor (9), ethylene concentration sensor (9), lead screw drive portion (2), moisturizing portion, ethylene desorption portion, refrigeration portion, nitrogen gas supplement portion, ozone generation portion all with controller (24) electricity is connected.
2. A modified atmosphere dynamic preservation apparatus according to claim 1, characterized in that: the screw driving part (2) comprises a screw driving motor (201), a screw (202) and a threaded sleeve (203);
the lead screw (202) is in transmission connection with a lead screw driving motor (201);
the threaded sleeve (203) is sleeved with the lead screw (202) and is in threaded connection with the lead screw (202);
wherein the first comb (61) is connected with a threaded sleeve (203).
3. A modified atmosphere dynamic preservation apparatus according to claim 1, characterized in that: the moisture supplementing part comprises a moisture supplementing part (7), a water tank (18), a water pump (19) and a moisture supplementing header pipe (21);
the moisture supplementing piece (7) is arranged in the fresh-keeping chamber (101);
the water tank (18) is mounted to an equipment room (102);
the water suction pump (19) is installed on the water tank (18), and one end of the water suction pump (19) is connected with the water tank (18).
4. A modified atmosphere dynamic preservation apparatus according to claim 3, characterized in that: the device also comprises a water control electromagnetic valve (20) and a liquid level meter (22);
the water control electromagnetic valve (20) is arranged on the moisture supplementing main pipe (21);
the level gauge (22) is mounted to the tank (18) for monitoring the level of liquid in the tank (18).
5. A modified atmosphere dynamic preservation apparatus according to claim 3 or 4, characterized in that: the water tank (18) comprises a water storage chamber (181) and a refrigerant chamber (182);
the water storage chamber (181) and the refrigerant chamber (182) are arranged in parallel;
wherein the refrigerant chamber (182) is used for placing refrigerant.
6. A modified atmosphere dynamic preservation apparatus according to claim 1, characterized in that: the ozone generating part comprises an ozone generator (13), an ozone conveying pipe (5) and an ozone nozzle (4);
the ozone generator (13) is mounted in the equipment chamber (102);
one end of the ozone conveying pipe (5) is connected with the ozone generator (13), the other end of the ozone conveying pipe extends towards the fresh-keeping chamber (101), and at least one ozone nozzle (4) is arranged at the other end of the ozone conveying pipe.
7. An air-conditioning dynamic fresh-keeping device according to claim 6, characterized in that: at least two ozone conveying pipes (5) are arranged in the fresh-keeping chamber (101).
8. A modified atmosphere dynamic preservation apparatus according to claim 1, characterized in that: the nitrogen supplementing part comprises a nitrogen tank (15), a nitrogen electromagnetic valve (12) and a nitrogen conveying pipe (25);
the nitrogen tank (15) is arranged in the equipment room (102);
one end of the nitrogen conveying pipe (25) is connected with the nitrogen tank (15), and the other end of the nitrogen conveying pipe extends into the fresh-keeping chamber (101);
the nitrogen electromagnetic valve (12) is arranged on the nitrogen conveying pipe (25) and is positioned in the equipment chamber (102);
wherein the nitrogen electromagnetic valve (12) is electrically connected with a controller (24).
9. An air-conditioning dynamic fresh-keeping device according to claim 8, characterized in that: also comprises a nitrogen pressure sensor (14);
the nitrogen pressure sensor (14) is arranged on the nitrogen tank (15) and used for monitoring the air pressure in the nitrogen tank (14);
wherein the nitrogen pressure sensor (14) is electrically connected with a controller (24).
10. A modified atmosphere dynamic preservation apparatus according to any one of claims 1 to 4 and 6 to 8, wherein: also comprises a supporting frame (1021);
the support frame (1021) is arranged in the equipment room (102) to divide the equipment room (102) into two layers.
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| CN202110291847.XA CN113180099A (en) | 2021-03-18 | 2021-03-18 | Air-conditioning dynamic fresh-keeping device |
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| CN202110291847.XA CN113180099A (en) | 2021-03-18 | 2021-03-18 | Air-conditioning dynamic fresh-keeping device |
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Cited By (1)
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| CN114766545A (en) * | 2022-04-15 | 2022-07-22 | 赣州市冠城制冷设备工程有限公司 | Citrus preservation technology |
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