CN219995628U - Fresh-keeping device for storage and transportation - Google Patents
Fresh-keeping device for storage and transportation Download PDFInfo
- Publication number
- CN219995628U CN219995628U CN202321150012.3U CN202321150012U CN219995628U CN 219995628 U CN219995628 U CN 219995628U CN 202321150012 U CN202321150012 U CN 202321150012U CN 219995628 U CN219995628 U CN 219995628U
- Authority
- CN
- China
- Prior art keywords
- storage
- fresh
- air
- air inlet
- 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.)
- Active
Links
- 238000003860 storage Methods 0.000 title claims abstract description 106
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 claims abstract description 110
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 30
- 239000001301 oxygen Substances 0.000 claims abstract description 30
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 30
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 24
- 238000009423 ventilation Methods 0.000 claims description 10
- 229910052757 nitrogen Inorganic materials 0.000 claims description 8
- 238000005096 rolling process Methods 0.000 claims description 8
- 230000007246 mechanism Effects 0.000 claims description 7
- 230000008859 change Effects 0.000 claims description 3
- 230000002035 prolonged effect Effects 0.000 abstract description 5
- 239000000047 product Substances 0.000 description 36
- 235000010726 Vigna sinensis Nutrition 0.000 description 24
- 241000219977 Vigna Species 0.000 description 23
- 235000012055 fruits and vegetables Nutrition 0.000 description 9
- 238000005057 refrigeration Methods 0.000 description 9
- 238000004321 preservation Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 235000013399 edible fruits Nutrition 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000003958 fumigation Methods 0.000 description 4
- 230000032683 aging Effects 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 239000005457 ice water Substances 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 208000009084 Cold Injury Diseases 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 2
- 235000010627 Phaseolus vulgaris Nutrition 0.000 description 2
- 244000046052 Phaseolus vulgaris Species 0.000 description 2
- 230000002595 cold damage Effects 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 238000005562 fading Methods 0.000 description 2
- 238000003306 harvesting Methods 0.000 description 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 2
- 230000001766 physiological effect Effects 0.000 description 2
- 230000000241 respiratory effect Effects 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 235000010523 Cicer arietinum Nutrition 0.000 description 1
- 244000045195 Cicer arietinum Species 0.000 description 1
- 240000004713 Pisum sativum Species 0.000 description 1
- 235000010582 Pisum sativum Nutrition 0.000 description 1
- 240000006677 Vicia faba Species 0.000 description 1
- 235000010749 Vicia faba Nutrition 0.000 description 1
- 235000002098 Vicia faba var. major Nutrition 0.000 description 1
- 244000042327 Vigna sinensis Species 0.000 description 1
- 230000003078 antioxidant effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002316 fumigant Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000035800 maturation Effects 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 235000016709 nutrition Nutrition 0.000 description 1
- 230000035764 nutrition Effects 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000009758 senescence Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Landscapes
- Storage Of Fruits Or Vegetables (AREA)
Abstract
The utility model relates to the technical field of agricultural product fresh-keeping devices, and particularly discloses a storage and transportation fresh-keeping device, which comprises: the cabinet body, the exhaust device, the air inlet device, the refrigerating system and the control system are arranged in the cabinet body, and a storage room is formed in the cabinet body; the exhaust device is used for exhausting air in the storage chamber; the air inlet device is used for inputting nitrogen and nitric oxide into the storage chamber; the refrigerating system is used for sending cool air into the storage room; the control system is used for controlling the opening and closing of the exhaust device and the air inlet device and the working state of the refrigerating system, and comprises an oxygen sensor, a nitric oxide sensor and a temperature sensor, wherein the oxygen sensor is suitable for detecting the oxygen content in the storage chamber, and the nitric oxide sensor is used for detecting the nitric oxide content. According to the utility model, the nitric oxide atmosphere is formed in the storage chamber, so that agricultural products in the storage chamber are preserved, and the agricultural products are stored at low temperature by cold air sent out by the refrigerating system, so that the quality of the agricultural products after being picked is maintained to the greatest extent, and the fresh-keeping period of the agricultural products is prolonged.
Description
Technical Field
The utility model relates to the technical field of agricultural product fresh-keeping devices, in particular to a storage and transportation fresh-keeping device.
Background
Cowpea (Vigna sinensis) is a leguminous plant, belonging to annual winding, grassy vine or near-vertical herbaceous plants. At present, the planting area of the global cowpea exceeds 12500 ten thousand hm 2 And the third is the second only to the beans and chickpeas of the main beans in the world, and exceeds the planting scale of peas and broad beans. The cowpea is rich in nutrition and has relatively high economic value. Is popular with consumers. However, cowpea is a respiratory transition type fruit, is extremely not stored after picking, and if commercialized treatment is not carried out in time, the phenomena of wilting, empty shells, fading, lignification, rust spots and the like can occur in a short time, so that the commodity and edibility of the cowpea are seriously affected, and the great waste of resources is caused. Therefore, it is necessary to provide a storage and transportation fresh-keeping device capable of effectively keeping fresh of agricultural products such as cowpea, maintaining the quality of the picked agricultural products to the maximum extent, and prolonging the fresh-keeping period of the agricultural products.
Disclosure of Invention
The utility model aims to solve the problems, and aims to provide a storage and transportation fresh-keeping device which aims to keep fresh of agricultural products in a storage room by forming a nitric oxide atmosphere in the storage room and store the agricultural products at a low temperature by cold air sent by a refrigerating system, so that the quality of the picked agricultural products is maintained to the greatest extent and the fresh-keeping period of the agricultural products is prolonged.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
a storage and shipping preservation device comprising: the cabinet body, the exhaust device, the air inlet device, the refrigerating system and the control system are arranged in the cabinet body, and a storage room is formed in the cabinet body; the exhaust device is used for exhausting air in the storage chamber; the air inlet device is used for inputting nitrogen and nitric oxide into the storage chamber; the refrigerating system is used for sending cool air into the storage room; the control system is used for controlling the opening and closing of the exhaust device and the air inlet device and the working state of the refrigerating system, and comprises an oxygen sensor, a nitric oxide sensor and a temperature sensor, wherein the oxygen sensor is suitable for detecting the oxygen content in the storage chamber, and the nitric oxide sensor is used for detecting the nitric oxide content.
According to some embodiments of the utility model, the exhaust device comprises a first air inlet pipe for connecting with a nitrogen source, a second air inlet pipe for connecting with a nitric oxide source, and an air inlet valve device arranged on the first air inlet pipe and the second air inlet pipe.
According to some embodiments of the utility model, the first air inlet pipe and the second air inlet pipe are arranged on one side wall body of the cabinet body in a close manner, and the exhaust device is arranged on the other side wall body which is away from the first air inlet pipe.
According to some embodiments of the utility model, the intake valve means is located outside the cabinet.
According to some embodiments of the utility model, the exhaust device is provided with an exhaust valve device.
According to some embodiments of the utility model, the refrigeration system is disposed at the top of the storage compartment.
According to some embodiments of the utility model, the oxygen sensor, the nitric oxide sensor and the temperature sensor are connected to the underside of the refrigeration system at intervals.
According to some embodiments of the utility model, the control system further comprises a control panel exposed on a side wall of the cabinet.
According to some embodiments of the utility model, the storage and delivery preservation apparatus further comprises a negative pressure ventilation system comprising: the air return device comprises an axial flow fan, an air return opening and an air return channel, wherein the axial flow fan and the air return opening are arranged away from each other, the air return channel is used for communicating the axial flow fan with the air return opening, and the axial flow fan is used for enabling air in the storage chamber to enter the air return channel through the air return opening and then flow back into the storage chamber.
According to some embodiments of the utility model, the axial flow fan is arranged near the top of the storage room, the return air inlet is positioned below the axial flow fan, and the return air channel is formed in the cabinet body.
According to some embodiments of the utility model, a cabinet door is hinged to the front side wall of the cabinet body, the return air channel is formed in the cabinet door, and the axial flow fan and the return air inlet are arranged on the inner side wall surface of the front side wall of the cabinet body.
According to some embodiments of the utility model, the negative pressure ventilation system further comprises: the electric rolling mechanism is arranged on the inner side wall surface of the cabinet body between the axial flow fan and the air return opening and is suitable for extending out of the rolling curtain to the storage room to change the air flow path sent out by the axial flow fan.
According to some embodiments of the utility model, the storage and transportation fresh-keeping device further comprises a plurality of layers of fresh-keeping drawers arranged in the storage chamber, wherein the fresh-keeping drawer wall body is provided with vent holes, and the fresh-keeping drawers are suitable for being pulled out of the storage chamber after the cabinet door is opened.
According to some embodiments of the utility model, a sponge is laid in the fresh-keeping drawer.
Due to the adoption of the technical scheme, the utility model has at least the following advantages:
1. nitric Oxide (NO) is a small molecular signal gas which widely exists in various tissues in the fruit and vegetable body and participates in various physiological activities, can directly act on the inside of the fruit and vegetable tissues, has certain penetrability, and can regulate and control fruit and vegetable aging, cold injury and the like, so that nitric oxide required by agricultural product preservation is input into a storage chamber through an air inlet device and a nitric oxide atmosphere is formed, and the effective preservation is realized;
2. cold air is input into the storage chamber through the refrigerating system so as to store agricultural products at low temperature, and especially, the nitric oxide fresh-keeping effect is matched with the low-temperature storage, so that the quality of the agricultural products after being picked can be maintained to the greatest extent, and the fresh-keeping period of the agricultural products can be prolonged;
3. the air exhaust device is used for exhausting the air containing oxygen in the storage room in the process of inputting nitrogen, the oxygen sensor is used for detecting the oxygen content in the storage room, when detecting that the oxygen content is low enough, nitric oxide is input, the nitric oxide sensor can detect the nitric oxide content in the storage room in real time, so that the control system can control the opening and closing of the air inlet device according to a preset nitric oxide content threshold value, and the temperature detection control system in the storage room is used for adjusting the refrigerating power of the refrigerating system in real time according to the temperature sensor, therefore, the intelligent refrigerating, storing and transporting of agricultural products can be realized;
4. the utility model can effectively maintain the quality of the picked agricultural products and prolong the fresh-keeping period of the agricultural products, thereby improving the commodity value of the agricultural products such as cowpea and providing sufficient technical support for the high-quality development of the agricultural product industry such as cowpea.
Drawings
Fig. 1 is a schematic view of a storage and delivery fresh-keeping apparatus according to some embodiments of the present utility model.
The reference numerals in the drawings:
1 is a refrigerating system;
2 is a cabinet door;
3 is an exhaust device;
4 is a temperature sensor;
5 is an oxygen sensor;
6 is a nitric oxide sensor;
7 is a vent hole;
8 is a fresh-keeping drawer;
9 is a control system;
10 is a first air inlet pipe;
11 is a second air inlet pipe;
12 is an intake valve device;
13 is a touch panel;
14 is an air return port;
15 is an electric roller shutter mechanism;
and 16 is an axial flow fan.
Detailed Description
In order to make the objects, technical solutions and advantages of the present utility model more apparent, the technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings. It will be apparent that the described embodiments are some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be noted that the azimuth or positional relationship indicated by the terms "upper", "lower", "front", "rear", etc. are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the system or element referred to must have a specific azimuth, be configured and operated in a specific azimuth, and thus should not be construed as limiting the present utility model.
In the description of the present utility model, it should be noted that, unless explicitly stated and limited otherwise, the terms "mounted," "disposed," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
In the related art, the technical problems to be solved urgently exist in the storage and preservation of agricultural products, taking cowpea as an example, the cowpea fruits with respiratory transition are extremely not storable after picking, and if commercialization treatment is not carried out in time, phenomena such as wilting, empty shells, fading, lignification, rust spots and the like can occur in a short time, the commodity property and the edibility of the cowpea are seriously affected, and the great waste of resources is caused. The cowpea is generally pre-cooled after being picked by adopting an ice-water mixture, however, the ice-water mixture limits the pre-cooling temperature of the cowpea, the draining difficulty is increased, and the drying in an industrialized mode requires 7-8 hours, so that the energy consumption is high and the time consumption is long.
In view of the above, the present utility model provides a storage and transportation fresh-keeping device, which can be used for the storage and fresh-keeping of agricultural products such as cowpea, and the like, and the fresh-keeping of agricultural products in the storage room is performed by forming a nitric oxide atmosphere in the storage room, and the agricultural products are stored at a low temperature by cold air sent out by a refrigerating system, so that the quality of the agricultural products after harvest is maintained to the greatest extent, and the fresh-keeping period of the agricultural products is prolonged. In addition, the cowpea is precooled by adopting cold air, so that the technical problem caused by adopting an ice-water mixture for post-harvest precooling can be avoided.
It is worth pointing out that the gas fumigation fresh-keeping is a relatively advanced control technology, and the fumigant can be utilized to quickly and uniformly permeate into fruits, so that fruits and vegetables can be regulated and controlled, microorganisms on the surfaces of the fruits can be inhibited or killed, and the purposes of maintaining the quality of the fruits and vegetables and prolonging the shelf life are achieved. The Nitric Oxide (NO) used in the utility model is a small molecular signal gas which widely exists in various tissues in the fruit and vegetable body and participates in various physiological activities, can directly act on the inside of the fruit and vegetable tissues, has certain penetrability, and can regulate and control the aging, cold injury and the like of the fruit and vegetable. In particular, the NO treatment with proper concentration can effectively delay the senescence and browning of fruits, maintain higher antioxidant activity and improve the storage quality of the picked fruits and vegetables.
The storage and transportation fresh-keeping device provided by the embodiment of the utility model is described in detail below with reference to the accompanying drawings.
Referring to fig. 1, a storage and transportation fresh-keeping apparatus according to an embodiment of the present utility model includes: the cabinet body, the exhaust device 3, the air inlet device, the refrigerating system 1 and the control system 9, wherein a storage room is formed in the cabinet body; the exhaust device 3 is used for exhausting air in the storage room; the air inlet device is used for inputting nitrogen and nitric oxide into the storage chamber; the refrigerating system 1 is used for sending cool air into the storage room; the control system 9 is used for controlling the opening and closing of the exhaust means 3 and the intake means and the operating state of the refrigeration system 1, and comprises an oxygen sensor 5 adapted to detect the oxygen content in the storage compartment, a nitric oxide sensor 6 to detect the nitric oxide content, and a temperature sensor 4.
In the above embodiment, nitric oxide required for agricultural product preservation is input into the storage chamber through the air inlet device and a nitric oxide atmosphere is formed, so that effective preservation is realized. Cold air is input into the storage room through the refrigerating system 1 so as to store agricultural products at low temperature, and especially, the nitric oxide fresh-keeping effect is matched with the low-temperature storage, so that the quality of the agricultural products after being picked can be maintained to the greatest extent, and the fresh-keeping period of the agricultural products can be prolonged.
Further, the exhaust device 3 is used for exhausting the air containing oxygen in the storage room in the process of inputting nitrogen, the oxygen sensor 5 is used for detecting the oxygen content in the storage room, when detecting that the oxygen content is low enough, nitric oxide is input instead, the nitric oxide sensor 6 can detect the nitric oxide content in the storage room in real time, so that the control system 9 can control the opening and closing of the air inlet device according to a preset threshold value of the nitric oxide content, and the temperature detection control system 9 in the storage room is subjected to real-time adjustment of the refrigerating power of the refrigerating system 1 according to the temperature sensor 4, so that the intelligent refrigerating, storing and transporting of agricultural products can be realized.
Furthermore, the utility model can effectively maintain the quality of the picked agricultural products and prolong the fresh-keeping period of the agricultural products, thereby improving the commodity value of the agricultural products such as cowpea and providing enough technical support for the high-quality development of the agricultural product industry such as cowpea.
Optionally, in some embodiments, the exhaust device 3 comprises a first intake pipe 10 for connecting to a nitrogen source, a second intake pipe 11 for connecting to a nitric oxide source, and intake valve means 12 provided in the first intake pipe 10 and the second intake pipe 11. Therefore, the nitrogen and the nitric oxide can be respectively input, and the problems of complex structure and difficult conversion caused by sharing the same air inlet pipe are avoided. One ends of the first air inlet pipe 10 and the second air inlet pipe 11 are connected to the wall of the cabinet body to communicate with the internal storage room, and the air inlet valve devices 12 of the first air inlet pipe 10 and the second air inlet pipe 11 are controlled by the control system 9 to be opened and closed respectively, alternatively, the air inlet valve devices 12 can be opened and closed manually.
Optionally, in some embodiments, the first air inlet pipe 10 and the second air inlet pipe 11 are disposed on one side wall of the cabinet body closely, and the exhaust device 3 is disposed on the other side wall facing away. Therefore, the two air inlet pipes are arranged close to each other, so that centralized operation is facilitated, and wire layout is facilitated.
Alternatively, in some embodiments, the intake valve assembly 12 is located outside the cabinet. In this way, the operation such as the disassembly and the manual opening and closing of the intake valve can be facilitated.
Optionally, in some embodiments, the exhaust means 3 is provided with exhaust valve means. The exhaust valve device is optionally controlled to be opened and closed by a control device, and when nitrogen is input to discharge oxygen-containing air, the exhaust valve device is controlled to be opened; when the oxygen sensor 5 detects that the oxygen content is sufficiently low, the exhaust valve means is controlled to be closed. Alternatively, the exhaust valve device may be configured to be opened and closed manually.
Alternatively, in some embodiments, the refrigeration system 1 is provided at the top of the storage compartment. In this way, the cold air sent by the refrigeration system 1 can adapt to the law that the cold air tends to fall.
Optionally, in some embodiments, the oxygen sensor 5, the nitric oxide sensor 6 and the temperature sensor 4 are connected to the underside of the refrigeration system 1 at a distance from each other. The oxygen sensor 5, the nitric oxide sensor 6 and the temperature sensor 4 are sequentially arranged at intervals and are arranged on the protruding ends which extend downwards.
Optionally, in some embodiments, the control system 9 further comprises a control panel exposed on a side wall of the cabinet. Further, the exposed touch screen of the control panel is suitable for human-computer interaction of a user, a control instruction is input to the storage and transportation fresh-keeping device, and the user can obtain the working state of the storage and transportation fresh-keeping device, such as oxygen concentration, nitric oxide concentration and the like, according to the display content of the storage and transportation fresh-keeping device. The control system 9 sets the required nitric oxide fumigation concentration and time and displays it on the touch panel 13. During the storage and transportation process, the control system 9 can automatically regulate the temperature, and keep the temperature constant during the storage and transportation process.
Optionally, in some embodiments, the storage and delivery preservation apparatus further comprises a negative pressure ventilation system comprising: the axial flow fan 16 and the return air inlet 14 are arranged far away from each other, and the return air channel is used for communicating the axial flow fan 16 and the return air inlet 14, and the axial flow fan 16 is used for enabling air in the storage chamber to enter the return air channel through the return air inlet 14 and then flow back into the storage chamber. Therefore, the air in the storage room can form a pressure gradient, cold air is effectively driven to pass through each gap, and the air storage room has the advantages of high precooling speed, high precooling uniformity and the like, and can form circulation flow of cold air.
Further, in some embodiments, the axial flow fan 16 is disposed near the top of the storage compartment, the return air opening 14 is located below the axial flow fan 16, and the return air channel is formed in the cabinet. In this way, the cold air blown out by the refrigerating system 1 is fully heat-exchanged with cowpea in a forced convection heat exchange and heat conduction mode, and the heat-exchanged hot air is sucked into the return air channel by the axial flow fan 16 and then sent out from the upper part to form a differential pressure ventilation cycle. Optionally, a refrigeration device may be provided within the return air duct to further cool the air flow flowing through the return air duct.
It is worth noting that the return air channel is arranged in the wall body of the cabinet body, so that the volume of the storage chamber can be increased, more agricultural products can be conveniently contained, and other devices are arranged.
Further, in some embodiments, the front side wall of the cabinet body is hinged with the cabinet door 2, and a return air channel is formed in the cabinet body, and an axial flow fan 16 and a return air inlet 14 are arranged on the inner side wall surface of the front side wall of the cabinet body. In this embodiment, the left side wall of the cabinet body is provided with an air exhaust device, the front part of the right side wall is provided with an air inlet device, the rear part of the right side wall is provided with a touch panel 13, and the front side wall is provided with a cabinet door 2, an axial flow fan 16 and an air return opening 14. After the cabinet door 2 is opened, agricultural products can be taken and placed in the storage room.
Optionally, in some embodiments, the negative pressure ventilation system further comprises: the electric rolling shutter mechanism 15 is arranged on the inner side wall surface of the cabinet body between the axial flow fan 16 and the air return opening 14, and the electric rolling shutter mechanism 15 is suitable for extending the rolling shutter to the storage room to change the air flow path sent out by the axial flow fan 16. It will be appreciated that, after the motorized roller shutter mechanism 15 extends beyond the roller shutter, the roller shutter is capable of partially insulating the storage area adjacent to both the axial flow fan 16 and the return air inlet 14, and the air from the axial flow fan 16 bypasses the roller shutter and then flows downward to be sucked back into the return air channel through the return air inlet 14. Through setting up the coverage area of rolling up the curtain to can make cold wind flow through the target area, optimize the refrigeration effect to the agricultural product.
Without loss of generality, in some embodiments, the storage and transportation fresh-keeping device further comprises a plurality of layers of fresh-keeping drawers 8 arranged in the storage room, the walls of the fresh-keeping drawers 8 are provided with ventilation holes 7, and the multi-layer fresh-keeping drawers 8 are suitable for being pulled out of the storage room after the cabinet door 2 is opened. The vent holes 7 are arranged to facilitate cold air to flow through each area of the fresh-keeping drawer 8 so as to ensure the refrigerating effect. The multi-layered fresh drawer 8 is optionally provided in different sizes.
Further, in some embodiments, sponge is laid in the fresh-keeping drawer 8 to prevent the agricultural products from being damaged during transportation.
The following provides the operation of the storage and transportation fresh-keeping device according to some embodiments of the present utility model:
(1) And starting a control system 9, and setting the values of the precooling temperature and the precooling time of the device.
(2) Fresh cowpeas with consistent maturity, equal length, thickness and weight are bundled into bundles, orderly placed into the fresh-keeping drawer 8, and after being fully filled, the fresh-keeping drawer 8 is pulled back to the original position, and the cabinet door 2 is closed.
(3) The electric roller shutter mechanism 15 expands the roller shutter, the axial flow fan 16 draws air to generate pressure difference, cold air blown out by the refrigeration system 1 exchanges heat with cowpea fully in a forced convection heat exchange and heat conduction mode, and hot air after heat exchange is sucked back to the air return channel by the axial flow fan 16.
(4) The nitrogen is introduced through the first air inlet pipe 10, the air in the storage chamber is discharged through the air discharging device 3, when the oxygen content is 0 as indicated by the oxygen sensor 5, the air inlet valve device 12 of the first air inlet pipe 10 is closed, the air inlet valve device 12 of the second air inlet pipe 11 is opened, and nitric oxide is introduced through the second air inlet pipe 11.
(5) The control system 9 sets the required nitric oxide fumigation concentration and time, displays the required nitric oxide fumigation concentration and time on the touch panel 13, closes the air inlet valve device 12 of the second air inlet pipe 11 when the nitric oxide concentration reaches a preset value, opens the cabinet door 2 to be ventilated with air after the nitric oxide treatment for corresponding time, and enables cowpea to be stored and transported at low temperature under the air condition.
(6) In the process of storage and transportation, the ventilation holes 7 among the drawers of each layer are beneficial to the air exchange of cowpea, further delay the maturation and aging process of cowpea, and simultaneously, the control system 9 can automatically regulate temperature and humidity, and keep the temperature constant in the process of storage and transportation.
It should be noted that "and/or" in the whole text includes three schemes, taking "a and/or B" as an example, including a technical scheme, a technical scheme B, and a technical scheme that a and B meet simultaneously.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.
Claims (10)
1. A storage and transportation fresh-keeping device, comprising:
a cabinet body, in which a storage room is formed;
an exhaust means for exhausting air within the storage chamber;
the air inlet device is used for inputting nitrogen and nitric oxide into the storage chamber;
a refrigerating system for feeding cool air into the storage chamber;
the control system is used for controlling the opening and closing of the exhaust device and the air inlet device and the working state of the refrigerating system, and comprises an oxygen sensor, a nitric oxide sensor and a temperature sensor, wherein the oxygen sensor is suitable for detecting the oxygen content in the storage chamber, and the nitric oxide sensor is used for detecting the nitric oxide content.
2. The storage and transportation fresh-keeping device according to claim 1, wherein,
the exhaust device comprises a first air inlet pipe used for being connected with a nitrogen source, a second air inlet pipe used for being connected with a nitric oxide source, and an air inlet valve device arranged on the first air inlet pipe and the second air inlet pipe.
3. The storage and transportation fresh-keeping device according to claim 2, wherein,
the first air inlet pipe and the second air inlet pipe are arranged on one side wall body of the cabinet body in a way of being close to each other, and the exhaust device is arranged on the other side wall body which is away from each other; and/or
The air inlet valve device is positioned outside the cabinet body; and/or
The exhaust device is provided with an exhaust valve device.
4. The storage and transportation fresh-keeping device according to claim 1, wherein,
the refrigerating system is arranged at the top of the storage room; and/or
The oxygen sensor, the nitric oxide sensor and the temperature sensor are connected to the lower side of the refrigerating system at intervals; and/or
The control system also comprises a control panel exposed on one side wall body of the cabinet body.
5. The storage and delivery fresh-keeping apparatus according to any one of claims 1 to 4, wherein,
the storage and transportation fresh-keeping device also comprises a negative pressure ventilation system, and the negative pressure ventilation system comprises:
the air return device comprises an axial flow fan, an air return opening and an air return channel, wherein the axial flow fan and the air return opening are arranged away from each other, the air return channel is used for communicating the axial flow fan with the air return opening, and the axial flow fan is used for enabling air in the storage chamber to enter the air return channel through the air return opening and then flow back into the storage chamber.
6. The storage and delivery fresh-keeping device according to claim 5, wherein,
the axial flow fan is arranged close to the top of the storage room, the return air inlet is positioned below the axial flow fan, and the return air channel is formed in the cabinet body.
7. The storage and transportation fresh-keeping device according to claim 6, wherein,
the cabinet is characterized in that a cabinet door is hinged to the front side wall of the cabinet body, a return air channel is formed in the cabinet door, and an axial flow fan and a return air inlet are arranged on the inner side wall surface of the front side wall of the cabinet body.
8. The storage and delivery fresh-keeping device according to claim 7, wherein,
the negative pressure ventilation system further includes:
the electric rolling mechanism is arranged on the inner side wall surface of the cabinet body between the axial flow fan and the air return opening and is suitable for extending out of the rolling curtain to the storage room to change the air flow path sent out by the axial flow fan.
9. The storage and delivery fresh-keeping device according to claim 8, wherein,
the storage and transportation fresh-keeping device further comprises a plurality of layers of fresh-keeping drawers arranged in the storage chamber, the wall body of the fresh-keeping drawers is provided with vent holes, and the cabinet door is suitable for pulling out the plurality of layers of fresh-keeping drawers to the outside of the storage chamber after being opened.
10. The storage and delivery fresh-keeping device according to claim 9, wherein,
sponge is paved in the fresh-keeping drawer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321150012.3U CN219995628U (en) | 2023-05-12 | 2023-05-12 | Fresh-keeping device for storage and transportation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321150012.3U CN219995628U (en) | 2023-05-12 | 2023-05-12 | Fresh-keeping device for storage and transportation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219995628U true CN219995628U (en) | 2023-11-10 |
Family
ID=88604750
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321150012.3U Active CN219995628U (en) | 2023-05-12 | 2023-05-12 | Fresh-keeping device for storage and transportation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219995628U (en) |
-
2023
- 2023-05-12 CN CN202321150012.3U patent/CN219995628U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111503970B (en) | Intelligent fruit and vegetable fresh-keeping warehouse and method for sweet potato fresh-keeping storage by using same | |
| CN205619656U (en) | Special freezer of energy -efficient type fruit vegetables | |
| CN105746685A (en) | Method for preserving fresh plants by synchronously combining vacuum precooling with gas conditioning technique | |
| CN109827375B (en) | Storage box and refrigeration equipment | |
| CN109291847A (en) | A kind of intelligent multifunctional gas molecule cold chain vehicle | |
| CN208515461U (en) | A kind of intelligent multifunctional gas molecule cold chain vehicle | |
| CN102840734B (en) | Refrigerator | |
| CN215775251U (en) | Fruit and vegetable storage and preservation warehouse | |
| JP5129661B2 (en) | Freezer refrigerator | |
| CN219995628U (en) | Fresh-keeping device for storage and transportation | |
| CN207095121U (en) | Multifunctional display freezer with thawing and fresh-keeping device | |
| KR20210141926A (en) | Food refrigeration system and method for manufacturing frozen ingredients | |
| CN207741406U (en) | A kind of grain storage freezer automatically adjusting interior cycle | |
| CN207590005U (en) | A kind of beef preservation device | |
| CN203646420U (en) | Multispecies small-batch fruit and vegetable modified atmosphere preservation device | |
| CN216154561U (en) | Storage warehouse after orchard harvest | |
| CN209978468U (en) | Movable differential pressure precooling and refrigerating integrated equipment | |
| CN209524672U (en) | A kind of refrigerator | |
| CN105300005B (en) | A kind of chilled freezer of quiet wind | |
| CN210276629U (en) | Direct-cooling service type refrigerated display cabinet | |
| CN209290260U (en) | A kind of dry ice air adjusting refrigerated vehicle | |
| CN206399081U (en) | Refrigerating equipment | |
| CN213029639U (en) | Air replacement system for fruit and vegetable fresh keeping | |
| CN205262028U (en) | Large -scale fresh -keeping freezer apparatus of oxygen supply | |
| CN104713289B (en) | A kind of refrigerator with keepalive feature |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |