Fruit storage device

Abstract

The utility model discloses a fruit storage device which comprises a storage box, a storage basket and a fresh-keeping mechanism. A rotating shaft is vertically and rotatably arranged in the storage box, a plurality of supporting frames are evenly, horizontally and fixedly arranged on the rotating shaft, and a plurality of storage baskets are evenly arranged on each supporting frame through a fixing mechanism. The fresh-keeping mechanism comprises an atomizer capable of atomizing cooling water stored in the atomizer to form water vapor and a cooling assembly storing the cooling water inside and used for recycling the water vapor. The bottom end of the storage box is fixedly provided with an atomizer which communicates with the interior of the storage box and can convey atomized water vapor into the storage box from the bottom of the storage box, and a cooling assembly which can recycle and cool the atomized water vapor in the storage box is fixedly arranged above the storage box. According to the fruit storage device, the problem that the quality of fruits is affected by wrinkles caused by water loss of the fruits when the fruits are stored for a long time by a storage device in the prior art is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to fruit storage technical field, specifically, relate to a fruit storage device. BACKGROUND

[0002] At present, the storage mode of fruits and vegetables is various, and the selection of storage mode and facility, the maintenance of suitable temperature and humidity or gas composition of storage environment is the first problem we consider. Fruits and vegetables belong to perishable goods. In order to store fresh fruits and vegetables well, in addition to the necessary postharvest commercialization treatment, suitable storage facilities must be provided, so as to reduce the material consumption of fruits and vegetables, delay the maturation and aging process, prolong the postharvest life and shelf life.

[0003] Through the retrieval: the patent application number of China is CN202321246329.7, and a kind of for fresh fruit storage box is disclosed, including box, the inner chamber of box is provided with multiple groups of storage box, storage box is hollowly arranged, and the upper and lower sides of storage box are equally spaced and are provided with placing groove, and the side of placing groove close to the inner chamber of storage box is provided with opening, and the upper and lower sides of storage box are provided with ventilation groove, and the both sides of storage box and the inner wall of box are provided with limiting assembly, and the top of box is hingedly connected with box cover, and box cover and box are provided with locking assembly;The utility model discloses that through the cooperation of air inlet pipe, ventilation groove and exhaust slot, the air circulation in the box can be guaranteed, and the fruits in the box can be kept in contact with cold air to keep its low-temperature storage state.

[0004] The inventor found the following problems in the prior art during the implementation of the utility model.

[0005] In the use process, by sending cold air to the storage device and discharging cold air, the air circulation in the box can be guaranteed, and the fruits in the box can be kept in contact with cold air to keep its low-temperature storage state, while in the long-term refrigeration process, the water in the fruits can be taken away in the process of discharging, which can cause the loss of water in the fruits and cause the phenomenon of wrinkled skin, which affects the quality of fruits.

[0006] Therefore, to provide a kind of fruit storage device, which can continuously release water vapor cooled and atomized in the storage box in the use process by preservation mechanism, so that the humidity and low temperature in the storage box can be kept all the time, to avoid the phenomenon of wrinkled skin of fruits due to water loss in the process of long-term storage of fruits, is the problem that the utility model needs to solve urgently. UTILITY MODEL CONTENT

[0007] The utility model discloses fruit storage device of the fruit quality is influenced by the fruit water loss and the appearance of the wrinkled skin in the long time storage of fruit in the prior art, and the fruit storage device can continuously release the water vapor after cooling and atomization into the storage box through the fresh-keeping mechanism in the use process, so that the humidity and low temperature in the storage box can be kept all the time, so that the fruit can be prevented from appearing the phenomenon of the wrinkled skin due to the water loss in the long time storage of fruit.

[0008] In order to realize the above-mentioned purpose, the utility model provides a kind of fruit storage device, the device includes: storage box, storage basket and fresh-keeping mechanism;

[0009] The inside of the storage box is vertically and rotatably provided with a rotating shaft, a plurality of support frames are uniformly and horizontally fixed on the rotating shaft, and a plurality of storage baskets for storing fruits are uniformly provided on each support frame by a fixing mechanism, the fresh-keeping mechanism comprises: an atomizer for atomizing the cooling water stored inside to form water vapor and a cooling assembly for storing cooling water inside and recycling water vapor, wherein,

[0010] The bottom end of the storage box is fixedly provided with an atomizer connected to the inside thereof and capable of conveying the atomized water vapor from the bottom thereof to the inside thereof, and the upper portion of the storage box is fixedly provided with a cooling assembly capable of recycling and cooling the atomized water vapor in the inside thereof, the cooling assembly is communicated with the atomizer through a liquid outlet pipe, and the liquid outlet pipe is fixedly provided with a switch valve.

[0011] Preferably, the cooling assembly comprises: a liquid storage tank, a semiconductor cooler and a collection pipe, wherein,

[0012] The liquid storage tank with an open top and storing cooling water inside is horizontally fixed above the storage box, and a plurality of semiconductor coolers with refrigeration surfaces abutting on the bottom thereof are uniformly and horizontally fixed at the bottom end of the liquid storage tank, and a plurality of collection pipes with free ends extending into the inside of the liquid storage tank from the opening of the liquid storage tank and extending into the cooling water are uniformly and vertically fixed at the top of the liquid storage tank.

[0013] Preferably, each of the collection pipes is fixedly provided with a fan for conveying the atomized water vapor into the storage box.

[0014] Preferably, the atomizer comprises: an atomization tank and an atomization sheet, wherein,

[0015] The upper end of the atomization tank storing cooling water inside is uniformly and vertically provided with a plurality of air outlets communicated with the inside of the storage box, and a plurality of atomization sheets are horizontally fixed in the inside of the atomization tank.

[0016] Preferably, the top of the rotating shaft extends out of the top of the storage tank and into the liquid storage tank, and a plurality of stirring blades are uniformly and horizontally fixed on the rotating shaft in the liquid storage tank.

[0017] Preferably, the fixing mechanism comprises a support plate and a support column, wherein,

[0018] The upper end of the support frame is vertically provided with a plurality of blind holes adapted to the support column at equal intervals along the length direction thereof, and a plurality of support rods are fixedly arranged at intervals on each of the storage baskets on the two sides of the support frame, the top of all the support frames above the support frame is horizontally fixed with a support plate, and a support column capable of being inserted into any blind hole of the support frame is fixedly arranged at the center of the bottom end of the support plate towards the support frame.

[0019] Preferably, the device further comprises a driving mechanism for driving the rotation of the rotating shaft, the driving mechanism comprising a driving gear, a driving toothed plate and a pneumatic cylinder, wherein,

[0020] The driving gear is coaxially fixed on the rotating shaft between the liquid storage tank and the storage tank, the upper end of the storage tank is horizontally and movably provided with a driving toothed plate engaged with the driving gear, and the upper end of the storage tank is further horizontally fixed with a pneumatic cylinder, the telescopic end of the pneumatic cylinder being fixed on the driving toothed plate to drive the horizontal movement thereof.

[0021] Preferably, the upper end of the storage tank is horizontally fixed with a guide rail adapted to the driving toothed plate, and the bottom end of the driving toothed plate is inwardly recessed to form a sliding groove adapted to the guide rail, and the driving toothed plate is horizontally and slidably assembled on the guide rail through the sliding groove.

[0022] According to the above technical solution, the fruit storage device has the following beneficial effects in use:

[0023] (1) The cooling water in the atomizer is atomized into water vapor by starting the atomizer, the water vapor after atomization is very light, can float from bottom to top, enter the inside of the storage tank from the bottom of the storage tank, and then rise and enter the cooling assembly, the water vapor entering the cooling assembly contacts and mixes with the cooling water stored in the cooling assembly, and the cooling water and the water vapor recovered in the cooling assembly are cooled and cooled by the cooling assembly, the on-off valve is opened to make the outlet pipe communicate with the inside of the atomizer, so that the cooling water after cooling and cooling can enter the atomizer through the outlet pipe, and is atomized by the atomizer, so that the temperature of the water vapor after atomization enters the storage tank, the temperature in the storage tank is low, the environment in the storage tank is kept at a certain humidity and low temperature, thereby being beneficial to the preservation of fruits and prolonging the storage period of fruits.

[0024] (2) The preservation mechanism can drive all fruits in the storage box to rotate slowly by rotating the rotating shaft during work, so that the fruits in the storage box can be fully contacted with the atomized water vapor released into the storage box by the atomizer during slow rotation, so as to moisturize the fruits and overcome the problem that the existing refrigerator causes the fruits to lose water and wrinkle during long-term storage of the fruits, thereby affecting the quality of the fruits and prolonging the storage time of the fruits.

[0025] (3) The existing fruit stall in the supermarket is provided with fruits, and the atomized water vapor is sprayed on the fruits by the atomizer to moisturize the fruits, but the water is wasted, and the preservation mechanism can continuously realize the preservation effect by using the cooling assembly and the atomizer, and the cooling water can be recycled during the preservation process, thereby achieving the energy-saving and environmental protection effect.

[0026] In summary, the preservation mechanism can continuously release the cooled and atomized water vapor into the storage box, so that the storage box can always maintain a certain humidity and low temperature, thereby avoiding the phenomenon that the fruits wrinkle due to water loss during long-term storage of the fruits.

[0027] Other features and advantages of the present application will be described in detail in the following specific embodiments; and the parts not involved in the present application are the same as or can be realized by the prior art. BRIEF DESCRIPTION OF DRAWINGS

[0028] The accompanying drawings are used to provide a further understanding of the present application, and constitute a part of the specification, and are used to explain the present application together with the following specific embodiments, but do not constitute a limitation on the present application. In the drawings:

[0029] Fig. 1 is a structure diagram of a fruit storage device provided in a preferred embodiment of the present application;

[0030] Fig. 2 is a structure diagram of a fruit storage device provided in a preferred embodiment of the present application;

[0031] Fig. 3 is a structure diagram of a fruit storage device provided in a preferred embodiment of the present application;

[0032] Explanation of reference signs

[0033] 1, storage box; 2, rotating shaft; 3, support frame; 4, storage basket; 5, cooling assembly; 501, liquid storage tank; 502, semiconductor refrigerator; 503, collection pipe; 6, atomizer; 601, atomizing box; 602, atomizing piece; 7, fan; 8, stirring blade; 9, liquid outlet pipe; 10, on-off valve; 11, drive gear; 12, drive gear plate; 13, air cylinder; 14, controller; 15, liquid level sensor; 16, support plate; 17, support column. DETAILED DESCRIPTION

[0034] The specific embodiments of the utility model are described in detail below in combination with the drawings. It should be understood that the specific embodiments described herein are only used to illustrate and explain the utility model, and are not used to limit the utility model.

[0035] As Figs. 1-3 indicated, the utility model provides a fruit storage device, the device includes: storage box 1, storage basket 4 and fresh-keeping mechanism,

[0036] The inside of storage box 1 is vertically and rotatably provided with rotating shaft 2, a plurality of support frames 3 are uniformly and horizontally fixed on rotating shaft 2, and a plurality of storage baskets 4 for storing fruits are uniformly arranged on each support frame 3 through fixing mechanism and open upward, and the fresh-keeping mechanism includes: atomizer 6 capable of atomizing the cooling water stored inside to form water vapor and cooling assembly 5 for storing cooling water inside and recycling water vapor, wherein,

[0037] The bottom end of storage box 1 is fixedly provided with atomizer 6 connected with its inside and capable of conveying atomized water vapor from its bottom to its inside, and the upper part of storage box 1 is fixedly provided with cooling assembly 5 capable of recycling and cooling the atomized water vapor in its inside, cooling assembly 5 is communicated with atomizer 6 through liquid outlet pipe 9, and on-off valve 10 is fixedly arranged on liquid outlet pipe 9.

[0038] In the above scheme, when in use, each storage basket 4 in storage box 1 stores fruits, after the fruits are placed, the switch door of storage box 1 is closed, and the fresh-keeping mechanism is started to work to preserve the fruits stored in storage box 1, thereby prolonging the storage time.

[0039] The working process of the fresh-keeping mechanism is as follows: the cooling water in the atomizer 6 is atomized into water vapor, the atomized water vapor is light in quality, floats from bottom to top, enters the storage box 1 from the bottom of the storage box 1, and then rises into the cooling assembly 5, the water vapor in the cooling assembly 5 contacts and mixes with the cooling water stored in the cooling assembly 5, and the cooling water and the water vapor in the cooling assembly 5 are cooled and cooled by the cooling assembly 5, the switch valve 10 is opened to connect the outlet pipe 9 with the inside of the atomizer 6, and the cooled cooling water is atomized into the atomizer 6 through the outlet pipe 9, so that the temperature of the atomized water vapor is lower than the temperature of the storage box 1, and the environment in the storage box 1 is kept at a certain humidity and low temperature, thereby facilitating the fresh-keeping of fruits and prolonging the storage period of fruits.

[0040] During the working process of the fresh-keeping mechanism, the rotation shaft 2 is rotated to drive the fruits in all the fruit baskets 4 to slowly rotate in the storage box 1, so that the fruits in the fruit baskets 4 can be fully contacted with the atomized water vapor released into the storage box 1 by the atomizer 6 during the slow rotation, thereby moisturizing the fruits and overcoming the problem that the existing refrigerator causes the fruits to lose water and wrinkle during long-term storage, thereby prolonging the storage time of the fruits.

[0041] Compared with the existing fruit stalls in supermarkets, the fruits are placed on the fruit stalls, and the atomized water vapor is sprayed on the fruits by the atomizer to moisturize the fruits, but the water is wasted, the fresh-keeping mechanism can continuously realize the fresh-keeping effect by using the cooling assembly 5 and the atomizer 6, and the cooling water can be recycled during the fresh-keeping process, thereby achieving the energy-saving and environmental protection effect.

[0042] In addition, the liquid level sensor 15 is fixedly arranged in the atomizer 6, the controller 14 is fixedly arranged on the storage box 1, the liquid level sensor 15 and the switch valve 10 are electrically connected with the controller 14, the liquid level sensor 15 is used for detecting the water level in the atomizer 6 and sending the detected signal to the controller 14, the controller 14 is used for receiving and processing the liquid level signal detected by the liquid level sensor 15, when the liquid level signal detected by the liquid level sensor 15 received by the controller 14 reaches the preset threshold value, the controller 14 sends an instruction to the switch valve 10 and starts the switch valve 10 to open, so that the cooling assembly 5 is connected with the inside of the atomizer 6 through the outlet pipe 9, and the cooled cooling water in the cooling assembly 5 enters the atomizer 6 through the outlet pipe 9 for use.

[0043] In the above scheme, the controller 14, the liquid level sensor 15 and the switch valve 10 are all prior known technical means, thus their structure and principle of use will not be repeated here.

[0044] In a preferred embodiment of the present application, the cooling assembly 5 comprises a liquid storage tank 501, a semiconductor cooler 502 and a collection pipe 503.

[0045] The liquid storage tank 501, which is open upward and stores cooling water inside, is horizontally fixed above the storage tank 1, and the bottom end of the liquid storage tank 501 is uniformly and horizontally fixed with a plurality of semiconductor coolers 502 whose cooling surfaces abut on the bottom of the liquid storage tank 501, and the top of the liquid storage tank 501 is uniformly and vertically fixed with a plurality of collection pipes 503, whose interiors are connected and whose free ends extend into the cooling water inside the liquid storage tank 501 from the opening of the liquid storage tank 501.

[0046] In the above scheme, the semiconductor cooler (Thermoelectric cooler) refers to a device that uses the thermoelectric effect of semiconductors to produce cold, also known as a thermoelectric cooler. Connecting two different metals with a conductor and connecting a direct current will lower the temperature at one junction and raise the temperature at the other. The semiconductor cooler has the characteristics of no noise, no vibration, no refrigerant, small size, light weight, reliable operation, simple operation and easy cold adjustment.

[0047] Since the cooling end (cooling surface) of the semiconductor cooler 502 abuts inside the liquid storage tank 501, the cooling water inside the liquid storage tank 501 can be cooled by a plurality of semiconductor coolers 502.

[0048] When the water vapor after atomization in the storage tank 1 is very light in quality, the water vapor will rise upward from the bottom end and enter the cooling water inside the liquid storage tank 501 through a plurality of collection pipes 503 to form cooling water, and the cooling water and the cooling water formed by the collected atomized water vapor are cooled by a plurality of semiconductor coolers 502, and the cooled cooling water can be returned to the atomizer 6 through the liquid outlet pipe 9 for recycling.

[0049] In a preferred embodiment of the present application, a fan 7 is fixedly arranged on each collection pipe 503 to transport the atomized water vapor into the liquid storage tank 501.

[0050] In the above scheme, the fan 7 can accelerate the flow speed of the water vapor in the storage tank 7, so that the atomized water vapor from the atomizer 6 quickly enters the inside of the storage tank 1 and rises from bottom to top, so that the rising water vapor enters the liquid storage tank 501 through the collecting pipe 503 for recycling and utilization, which has the effects of energy saving and environmental protection.

[0051] In a preferred embodiment of the utility model, the atomizer 6 comprises: an atomization tank 601 and an atomization sheet 602; wherein,

[0052] The upper end of the atomization tank 601, which stores cooling water, is uniformly and vertically provided with a plurality of air outlet holes communicated with the inside of the storage tank 1, and a plurality of atomization sheets 602 are horizontally and fixedly arranged in the inside of the atomization tank 601.

[0053] In the above scheme, the atomization sheet (electronic instrument) uses electronic high-frequency oscillation (oscillation frequency is 1.7MHz or 2.4MHz, which exceeds the human hearing range, and the electronic oscillation is harmless to human body and animals) to disperse the liquid water molecule structure to generate natural and flowing water mist without heating or adding any chemical reagent. Compared with the heating atomization mode, the energy is saved by 90%. In addition, a large amount of fine water beads are released in the atomization process.

[0054] In use, the cooling water in the atomization tank 601 is atomized by a plurality of atomization sheets 602 to form water vapor, which can float upward due to its light mass, so that the atomized water vapor enters the storage tank 601 from the air outlet holes at the top of the atomization tank 601, and the atomized water vapor rises from bottom to top to the top and is recycled into the cooling water in the liquid storage tank 501 through the collecting pipe 503 by the fan 7, so that the atomized water vapor is mixed in the cooling water, and the recycled atomized water vapor is finally stored in the cooling water in the liquid storage tank 501 and is refrigerated by the semiconductor refrigerator 502 to realize the cooling function.

[0055] In a preferred embodiment of the utility model, the top of the rotating shaft 2 penetrates the top of the storage tank 1 and extends into the liquid storage tank 501, and a plurality of stirring blades 8 are uniformly and horizontally fixed on the rotating shaft 2 in the liquid storage tank 501.

[0056] In the above scheme, the rotating shaft 2 and the liquid storage tank 501 can be assembled together through a sealing bearing, that is, the top of the rotating shaft 2 is vertically and rotatably assembled on the bottom of the liquid storage tank 501 through a sealing bearing, and the sealing bearing plays a sealing role to prevent water in the liquid storage tank 501 from leaking from the assembly position of the liquid storage tank 501 and the rotating shaft 2. Another assembly method can also be used, that is, an avoiding hole is formed at the center position of the bottom end of the liquid storage tank 501 for the rotating shaft 2 to pass through, and a rubber sealing ring is fixedly arranged in the avoiding hole to match the rotating shaft 2, so that the rotating shaft 2 always matches the rubber sealing ring in the avoiding hole during rotation, thereby preventing water in the liquid storage tank 501 from leaking out of the avoiding hole and playing a sealing role.

[0057] In use, when the rotating shaft 2 rotates to drive all the storage baskets 4 in the storage tank 1 and the fruits stored therein to rotate, the fruits are fully contacted with the atomized water vapor to prevent the fruits from losing moisture during long-term storage. At the same time, the rotating shaft 2 can also drive all the stirring blades 8 on the top thereof to rotate in the liquid storage tank 501 to stir the cooling water in the liquid storage tank 501, so that the plurality of semiconductor refrigerators 502 can uniformly cool the cooling water in the liquid storage tank 501, thereby improving the refrigeration effect.

[0058] In a preferred embodiment of the utility model, the fixing mechanism comprises: a support plate 16 and a support column 17; wherein,

[0059] The upper end of the support frame 3 is vertically provided with a plurality of blind holes adapted to the support column 17 at equal intervals along the length direction, a plurality of support rods are fixedly arranged on each of the storage baskets 4 on the two sides of the support frame 3 at intervals and vertically, a support plate 16 is fixedly arranged horizontally on the top of all the support frames 3 above the support frame 3, and a support column 17 capable of being inserted into any blind hole of the support frame 3 is fixedly arranged vertically at the center position of the bottom end of the support plate 16 towards the support frame 3.

[0060] In the above scheme, in use, the fruits are placed in the storage baskets 4, the support plate 16 is held to move the storage baskets 4 from the free end of the support frame 3 to a suitable position, and the support plate 16 is moved downward, so that the support column 17 on the support plate 16 can be inserted into the blind hole on the support frame 3 directly below, thereby enabling quick assembly and improving the assembly efficiency.

[0061] In addition, the storage basket 4 is of a hollow structure, so that the atomized water vapor can contact the fruits stored in the storage basket 4 through the gaps on the storage basket 4.

[0062] In a preferred embodiment of the utility model, the device further includes a driving mechanism for driving the rotation of the rotating shaft 2, the driving mechanism includes: a driving gear 11, a driving toothed plate 12 and a cylinder 13; wherein,

[0063] The driving gear 11 is coaxially fixed on the rotating shaft 2 between the liquid storage tank 501 and the storage tank 1, the upper end of the storage tank 1 is horizontally and movably provided with the driving toothed plate 12 engaged with the driving gear 11, and the upper end of the storage tank 1 is also horizontally fixedly provided with the cylinder 13, and the telescopic end of the cylinder 13 is fixed on the driving toothed plate 12 to drive the horizontal movement thereof.

[0064] In the above scheme, the cylinder 13 is started to drive the driving toothed plate 12 to move back and forth in the horizontal direction, and in the process of moving back and forth, the driving gear 11 engaged with the driving toothed plate 12 drives the rotating shaft 2 to drive all the baskets 4 and all the stirring blades 8 to rotate alternately clockwise and counterclockwise.

[0065] The cylinder 13 is a known technical means, and therefore its specific structure and use principle will not be repeated here. In addition, the cylinder 13 can also be replaced by a servo cylinder to achieve the same function. The servo cylinder is a modular product designed by integrating a servo motor and a screw rod, and its speed is 0.1-2 m / s. Because of closed-loop servo control, the control accuracy is high. It has the characteristics of low cost and flexible configuration, and is the best substitute for hydraulic cylinders and air cylinders.

[0066] In the working process of the fresh-keeping mechanism, the rotating shaft 2 can be rotated to drive the fruits in all the baskets 4 to slowly rotate in the storage tank 1, so that the fruits in the baskets 4 can be fully contacted with the atomized water vapor released into the storage tank 1 by the atomizer 6 in the process of slow rotation, so as to play a moisturizing role on the fruits, overcome the problem that the existing refrigerator causes the loss of water in fruits and causes wrinkles when storing fruits for a long time, and prolong the storage time of fruits.

[0067] In a preferred embodiment of the utility model, the upper end of the storage tank 1 is horizontally fixedly provided with a guide rail matched with the driving toothed plate 12, and the bottom end of the driving toothed plate 12 is recessed inward to form a sliding groove matched with the guide rail, and the driving toothed plate 12 is horizontally and slidably assembled on the guide rail through the sliding groove.

[0068] In the above scheme, the guide rail and the sliding groove on the bottom of the driving toothed plate 12 are used in cooperation to enable the cylinder 13 to stably and reliably move linearly in the horizontal direction when driving the driving toothed plate 12, preventing the driving toothed plate 12 from deviating during movement.

[0069] In conclusion, the fruit storage device overcomes the problem of the fruit quality being affected by the fruit skin being wrinkled due to the fruit moisture being lost when the fruit is stored for a long time in the prior art storage device (refrigerator).

[0070] The preferred embodiments of the present application are described in detail above with reference to the drawings, but the present application is not limited to the specific details in the above-described embodiments, and various simple modifications can be made to the technical solutions of the present application within the technical concept of the present application, and these simple modifications all belong to the protection scope of the present application.

[0071] In addition, it should be noted that each specific technical feature described in the above specific embodiments can be combined in any appropriate manner without contradiction, and in order to avoid unnecessary repetition, the present application will not further describe various possible combination manners.

[0072] In addition, various different embodiments of the present application can also be combined in any manner, as long as they do not deviate from the technical concept of the present application, and they should also be considered as disclosed content of the present application.

Claims

1. A fruit storage device, characterized in that, The device comprises a storage box (1), a storage basket (4) and a fresh-keeping mechanism; The inside of the storage box (1) is vertically and rotatably provided with a rotating shaft (2), a plurality of support frames (3) are uniformly and horizontally fixed on the rotating shaft (2), and each of the support frames (3) is uniformly provided with a plurality of storage baskets (4) for storing fruits with open tops through a fixing mechanism, the fresh-keeping mechanism comprises an atomizer (6) capable of atomizing the cooling water stored inside to form water vapor and a cooling assembly (5) for storing cooling water and recycling water vapor, and The bottom end of the storage box (1) is fixedly provided with the atomizer (6) which is connected with the inside of the storage box (1) and can transport the atomized water vapor from the bottom to the inside, and the upper part of the storage box (1) is fixedly provided with the cooling assembly (5) which can recycle and cool the atomized water vapor in the inside, the cooling assembly (5) is communicated with the atomizer (6) through a liquid outlet pipe (9), and the liquid outlet pipe (9) is fixedly provided with a switch valve (10).

2. The fruit storage device of claim 1, wherein, The cooling assembly (5) comprises a liquid storage tank (501), a semiconductor cooler (502) and a collection pipe (503), wherein The liquid storage tank (501) with an open top and storing cooling water is horizontally fixed above the storage box (1), and a plurality of semiconductor coolers (502) with cooling surfaces abutting on the bottom are uniformly and horizontally fixed at the bottom end of the liquid storage tank (501), and a plurality of collection pipes (503) are uniformly and vertically fixed at the top of the liquid storage tank (501) and connected with the inside of the liquid storage tank (501), and the free ends of the collection pipes (503) extend into the cooling water from the opening of the liquid storage tank (501).

3. The fruit storage device of claim 2, wherein, Each of the collection pipes (503) is fixedly provided with a fan (7) for transporting the atomized water vapor into the liquid storage tank (501).

4. The fruit storage device of claim 1, wherein, The atomizer (6) comprises an atomizing box (601) and an atomizing sheet (602), wherein The upper end of the atomizing box (601) storing cooling water is uniformly and vertically provided with a plurality of air outlets communicated with the inside of the storage box (1), and a plurality of atomizing sheets (602) are horizontally fixed in the inside of the atomizing box (601).

5. The fruit storage device of claim 2, wherein, The top of the rotating shaft (2) extends into the liquid storage tank (501) from the top of the storage box (1), and a plurality of stirring blades (8) are uniformly and horizontally fixed on the rotating shaft (2) in the liquid storage tank (501).

6. The fruit storage device of claim 1, wherein, The fixing mechanism comprises a support plate (16) and a support column (17), wherein The upper end of the support frame (3) is vertically provided with a plurality of blind holes adapted to the support column (17) at equal intervals along the length direction thereof, and each of the storage baskets (4) located on both sides of the support frame (3) is fixedly provided with a plurality of support rods at intervals and vertically, and the top of all the support frames (3) above the support frame (3) is fixedly provided with a support plate (16), and the support column (17) capable of being inserted into any blind hole of the support frame (3) is fixedly provided at the center position of the bottom end of the support plate (16) of the support frame (3).

7. The fruit storage device of claim 5, wherein, The device further comprises a driving mechanism for driving the rotation of the rotating shaft (2), and the driving mechanism comprises a driving gear (11), a driving toothed plate (12) and a pneumatic cylinder (13); wherein, The driving gear (11) is coaxially fixedly arranged on the rotating shaft (2) between the liquid storage tank (501) and the storage tank (1), the upper end of the storage tank (1) is horizontally and movably provided with the driving toothed plate (12) engaged with the driving gear (11), and the upper end of the storage tank (1) is further horizontally fixedly provided with the pneumatic cylinder (13), and the telescopic end of the pneumatic cylinder (13) is fixed on the driving toothed plate (12) to drive the horizontal movement thereof.

8. The fruit storage device of claim 7, wherein, The upper end of the storage tank (1) is horizontally fixedly provided with a guide rail adapted to the driving toothed plate (12), and the bottom end of the driving toothed plate (12) is inwardly recessed to form a sliding groove adapted to the guide rail, and the driving toothed plate (12) is horizontally and slidably assembled on the guide rail through the sliding groove.

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