Modified atmosphere fresh-keeping storehouse for fruits and vegetables

Abstract

The utility model relates to the technical field of fruit and vegetable fresh-keeping equipment, and discloses a fruit and vegetable controlled atmosphere fresh-keeping storehouse, which comprises a bottom plate, an outer storehouse, an inner storehouse, a storage swing frame, a temperature control system and a cold discharge structure, the lower end of the outer storehouse is fixedly arranged at the peripheral edge position of the upper end of the bottom plate, and the lower end of the inner storehouse is fixedly arranged at the central position of the upper end of the bottom plate. According to the fresh-keeping storehouse, people entering and exiting from the fresh-keeping storehouse are disinfected through the spraying chamber between the entrance of the outer storehouse and the entrance of the inner storehouse, air and fruits and vegetables are disinfected and sterilized through the multiple ultraviolet lamps, and the fresh-keeping storehouse is monitored according to environment information collected by the integrated sensor. The two ethylene excluders and the multiple fans are used for effectively adjusting gas components in the warehouse, the temperature control system and the multiple nozzles are used for finely adjusting the temperature and humidity in the warehouse, meanwhile, a user can remotely connect the PLC module through a control network to control all assemblies in the warehouse, and therefore it is guaranteed that fruits and vegetables are in a proper storage environment all the time.

Description

TECHNICAL FIELD

[0001] The utility model relates to fruit and vegetable fresh -keeping equipment technical field especially relates to a fruit and vegetable controlled atmosphere fresh -keeping storehouse. BACKGROUND

[0002] Fruit and vegetable fresh -keeping storehouse is a kind of storage storehouse specially used to store fruits and vegetables, mainly to prolong the fresh -keeping period of fruit and vegetable, reduce loss, keep fruit and vegetable fresh by controlling temperature, humidity and other environmental conditions.The function of gas regulation is to reduce the respiration of fruit and vegetable by adjusting the proportion of oxygen and carbon dioxide, slow down metabolism and prolong the fresh -keeping time.The existing fruit and vegetable fresh -keeping storehouse mainly realizes preservation through ventilation device, is usually equipped with ventilation equipment inside, but there is the shortcoming of not combining temperature and humidity control system, which can lead to unsatisfactory preservation effect or quality decline of fruit and vegetable.

[0003] Through search, the existing patent (publication number: CN210247591U) discloses a "fruit and vegetable controlled atmosphere fresh -keeping storehouse, including shell, shell outside sleeve connection has outer shell, shell bottom end is fixedly connected with several connecting blocks, the bottom end of connecting block and the bottom end inner side wall of outer shell are fixedly connected, outer shell is placed with side plate, side plate and outer shell are fixedly connected, side plate is away from the side of outer shell and is fixedly connected with the side of shell, side plate one side is opened with rectangular through hole, through hole is placed with door plate, door plate one side is hingedly connected with side plate by hinge, outer shell side is opened with through hole, through hole is through the side wall of shell and the side wall of outer shell, through hole is placed with sleeve, sleeve is placed with filter mechanism, shell inner side is placed with air exchange fan relative to through hole, air exchange fan is connected with control power supply, air exchange fan and shell inner side wall are connected by fixed mechanism, outer shell is installed with sealing mechanism relative to through hole.The utility model structure is simple, and it is worth promoting"

[0004] The inventor finds that the prior art has the following problems in the process of realizing the present application: although the patent technology can replace the air in the fresh -keeping storehouse by setting shell, connecting block, sleeve, filter mechanism and air exchange fan etc. Assemblies, but no temperature and humidity control system is set, only passive rely on double-layer shell and the heat insulation material filled between the shells to reduce the influence of temperature change on fruit and vegetable in fresh -keeping storehouse.

[0005] Therefore, the person skilled in the art provides a fruit and vegetable controlled atmosphere fresh -keeping storehouse to solve the problems in the above background art. UTILITY MODEL CONTENTS

[0006] The utility model discloses a fruit and vegetable controlled atmosphere fresh-keeping storehouse which can ensure that the fruits and vegetables are in a suitable storage environment.

[0007] To achieve the above object, the utility model provides the following technical scheme: a fruit and vegetable controlled atmosphere fresh-keeping storehouse, including bottom plate, outer storehouse, inner storehouse, article rotatable support, temperature control system and cold row structure, the outer storehouse lower end fixed setting is to the bottom plate upper end four periphery edge position, the inner storehouse lower end fixed setting is to the bottom plate upper end center position, the article rotatable support lower end fixed setting is to the inner storehouse inside lower the bottom plate upper end center position of, the temperature control system fixed setting is to the outer storehouse upper end and the inner storehouse both sides sideboard inner wall, the cold row structure lower end fixed setting is to the outer storehouse upper end four periphery edge position,

[0008] The outer storehouse includes an outer frame, a spraying chamber and two first ultraviolet lamps, the inner storehouse includes an inner frame, a plurality of fluorescent lamps and two ethylene eliminators, the article rotatable support includes a rotating shaft, four baffles, five layer plates, a plurality of second ultraviolet lamps, a plurality of spray heads and a plurality of integrated sensors, and the temperature control system includes a hot water tank, a cold water tank, a water pump, two three-way valves, a liquid delivery pipe, a liquid return pipe and two temperature control pipes.

[0009] Through the above technical scheme, the outer storehouse effectively disinfects the personnel entering the inner storehouse through the spraying chamber, the outer storehouse effectively disinfects and sterilizes the air between the outer storehouse and the inner storehouse through the two first ultraviolet lamps, the double-layer structure design plays a good auxiliary role for the temperature control system, the inner storehouse plays a good regulation and control role for the ethylene content in the air in the storehouse through the two ethylene eliminators, the article rotatable support facilitates the operator to check the fruits to be checked at any position of the storehouse through the rotating shaft, the temperature control system facilitates the user to adjust in time according to the information of the integrated sensors, and the cold row structure plays a good auxiliary heat dissipation role for the liquid in the liquid return pipe.

[0010] Further, the outer frame lower end is fixedly arranged on the upper end of the bottom plate, the spray chamber is fixedly arranged on the lower middle part between the front end of the outer frame and the inner frame, the front end of the outer frame is fixedly arranged with an outer warehouse door, the two first ultraviolet lamps are fixedly arranged on the upper middle part of the inner surface of the front end and the rear end of the outer frame, and the upper middle part of the two side walls of the outer frame is fixedly arranged with two air exchange fans provided with electric door plates.

[0011] Through the above technical scheme, the spray chamber can effectively disinfect the personnel entering the warehouse, the two first ultraviolet lamps can effectively disinfect the air in the interlayer between the outer frame and the inner frame, and the two air exchange fans provided with electric door plates can exchange the air in the interlayer and the air outside, so as to control the gas composition and humidity in the warehouse.

[0012] Further, the inner frame lower end is fixedly arranged on the upper end of the bottom plate, the spray chamber is fixedly arranged on the lower middle part between the front end of the outer frame and the inner frame, the front end of the outer frame is fixedly arranged with an outer warehouse door, the two first ultraviolet lamps are fixedly arranged on the upper middle part of the inner surface of the front end and the rear end of the outer frame, and the upper middle part of the two side walls of the outer frame is fixedly arranged with two air exchange fans provided with electric door plates.

[0013] Through the above technical scheme, the spray chamber can effectively disinfect the personnel entering the warehouse, the two first ultraviolet lamps can effectively disinfect the air in the interlayer between the outer frame and the inner frame, and the two air exchange fans provided with electric door plates can exchange the air in the interlayer and the air outside, so as to control the gas composition and humidity in the warehouse.

[0014] Further, the lower end of the rotating shaft is rotatably arranged at the center of the platform, which is arranged at the center of the bottom plate and has a size matching the lower end of the inner frame, five layer plates are fixedly arranged at the center of the rotating shaft from bottom to top, the upper end of each of the five layer plates is recessed towards the center, four baffles are fixedly arranged vertically through the five layer plates and arranged at the front end, rear end and both sides of the rotating shaft in a central symmetric manner, and a plurality of second ultraviolet lamps are fixedly arranged at the upper side of each layer of the baffles separated by the five layer plates.

[0015] Through the above technical solution, the rotating shaft enables the storage rotating frame to be flexibly rotated according to the actual use needs of the user, facilitating transportation or inspection operation, the upper end of each of the five layer plates is recessed towards the center, which not only reduces the possibility of fruit and vegetable rolling, but also enables the liquid on the fruit and vegetable to gather at the position of the rotating shaft under the action of gravity, the four baffles and the five layer plates provide sufficient classified and ordered storage space for the fruit and vegetable, the plurality of second ultraviolet lamps kill microorganisms by releasing ultraviolet rays in the UV-C band, prolonging the shelf life of the fruit and vegetable, and the operation is simple, low in cost and free of chemical residues.

[0016] Further, a plurality of groups of five spray heads are fixedly arranged vertically through the rotating shaft in a plurality of rotating shaft portions separated by the five layer plates and the four baffles, the integrated sensor is fixedly arranged above each group of five spray heads among the plurality of spray heads on the cylindrical surface of the rotating shaft, the rotating shaft has a double-layer structure, a pipe system is fixedly arranged inside the central cylinder of the rotating shaft, the input end of the pipe system is fixedly connected to one input end of the lower end of the water pump through a pipeline penetrating the upper end of the outer frame, the pipe system is fixedly connected to the plurality of spray heads, and a drain port is fixedly arranged at the staggered position of the outer layer of the rotating shaft and the five layer plates;

[0017] Through the above technical solution, the user can spray water vapor on the fruit and vegetable or the air in the library through the plurality of spray heads according to the actual use needs during use, the air humidity is increased, the transpiration of the fruit and vegetable is reduced, thereby delaying the water loss and aging of the fruit and vegetable, and the freshness of the fruit and vegetable is maintained, the plurality of integrated sensors detect the temperature, humidity and concentrations of carbon dioxide, oxygen and ethylene at the corresponding positions at multiple points, providing detailed library environment information for the PLC module and the user, and the drain port facilitates good drainage of the residual liquid gathered at the rotating shaft through the water pipe network fixedly connected to the lower end of the rotating shaft.

[0018] Further, the hot water tank and the cold water tank are respectively arranged symmetrically to the axis and fixed to the upper end of the outer frame, the water pump is fixed to the upper end of the outer frame near the spray chamber, the hot water tank and the cold water tank are fixed to the lower end of the water pump away from the spray chamber through the pipeline and one of the two three-way valves between the hot water tank and the cold water tank, and the other of the two three-way valves is fixed to the middle of the pipe body of the liquid return pipe.

[0019] According to the temperature and humidity information provided by the plurality of integrated sensors, the user can control the liquid in the hot water tank or the cold water tank to form hot liquid or cold liquid circulation through the water pump, the liquid delivery pipe, the two temperature control pipes, and the liquid return pipe, thereby adjusting the temperature inside the inner frame, and the plurality of spray heads spray hot water vapor or cold water vapor to improve the temperature adjustment and humidity adjustment effect.

[0020] Further, the two temperature control pipes are respectively arranged flatly and fixed to the inner surfaces of the side walls of the inner frame, the two lower ends of the liquid return pipe are respectively fixed to the liquid return ports of the two temperature control pipes through the upper end of the outer frame, and the middle of the pipe body of the liquid delivery pipe is fixed to one output end of the water pump through the pipeline.

[0021] According to the above technical solution, the two temperature control pipes are respectively arranged flatly and fixed to the inner surfaces of the side walls of the inner frame, which helps to uniformly and stably control the temperature in the library, and the liquid delivery pipe, the liquid return pipe, and the two temperature control pipes cooperate with the hot water tank, the cold water tank, and the water pump to form hot circulation and cold circulation according to actual use needs, thereby facilitating the regulation of the temperature in the library.

[0022] Further, the lower end of the cooling structure is fixed to the upper end of the outer frame, the front end, the rear end, and the two sides of the cooling structure are fixed with louver structures, the front end and the rear end of the cooling structure are respectively fixed with cooling fans at the central positions, the bottom plate, the upper end of the outer frame, and the inside of the inner frame are fixed with heat insulation materials, the inside of the front end of the inner frame is fixed with a PLC module, and the PLC module is wirelessly connected to the control network.

[0023] Through the technical scheme, the cold arrangement structure plays a good auxiliary heat dissipation effect for the liquid in the liquid return pipe according to actual use needs through two cooling fans and a louver structure, the heat insulation material plays a good auxiliary effect for the temperature control system to control the temperature in the warehouse, when in use, a user remotely controls the PLC module through a control network according to environmental information collected by the plurality of integrated sensors, and then controls two air exchange fans, two ventilation fans, two cooling fans, a plurality of nozzles, a water pump, two three-way valves, two ethylene eliminators, two first ultraviolet lamps, a plurality of second ultraviolet lamps and a plurality of fluorescent lamps to finely adjust the temperature, humidity and air composition in the warehouse, so that the fruits and vegetables in the warehouse are always in the best storage state.

[0024] The utility model has the advantages of the following:

[0025] 1. The fruit and vegetable controlled atmosphere fresh-keeping warehouse, the temperature control system is combined with the plurality of integrated sensors, heat circulation or cold circulation is carried out by the plurality of nozzles on the rotating shaft controlled by the two three-way valves, so as to adjust the temperature and humidity, and the remote control function of the PLC module is matched, the user can accurately control the environment in the warehouse according to real-time data, so that the fruits and vegetables in the warehouse are always in the best storage state, and the fresh-keeping effect and the quality of the fruits and vegetables are further improved.

[0026] 2. The fruit and vegetable controlled atmosphere fresh-keeping warehouse, the fresh-keeping warehouse is combined with the environmental information collected by the plurality of integrated sensors through the two ethylene eliminators and the plurality of fans, accurate regulation and control of the carbon dioxide, oxygen and ethylene gas components in the warehouse are realized, the fresh-keeping period of the fruits and vegetables is prolonged, the ripening process is delayed, the physiological loss of the fruits and vegetables is reduced, and the freshness and nutritional value of the fruits and vegetables are maintained.

[0027] 3. The fruit and vegetable controlled atmosphere fresh-keeping warehouse, the outer warehouse room is provided with a spraying chamber and the two first ultraviolet lamps, effective disinfection of the entering personnel and sufficient sterilization and disinfection of the air in the warehouse are realized. This double disinfection mechanism effectively prevents microbial pollution and guarantees the health and safety of the fruits and vegetables in the warehouse, providing a basis for prolonging the fresh-keeping period of the fruits and vegetables. DRAWINGS

[0028] Figure 1 It is a schematic view of the shaft measurement of the utility model;

[0029] Figure 2 It is a schematic view of the shaft measurement of the utility model;

[0030] Figure 3 It is a schematic view of the front view of the utility model;

[0031] Figure 4 It is a schematic view of the top view of the shaft measurement of the utility model;

[0032] Figure 5 It is a top view top section view schematic diagram of the utility model;

[0033] Figure 6 It is a top view structure schematic diagram of the temperature control system of the utility model;

[0034] Figure 7 It is a side view structure schematic diagram of the temperature control system of the utility model;

[0035] Figure 8 It is an axonometric structure schematic diagram of the utility model's storage rotating frame;

[0036] Figure 9 It is the A place structure enlarged schematic diagram of the utility model; Figure 8

[0037] Figure 10 It is a top view top section view schematic diagram of the utility model's rotating shaft.

[0038] Legend:

[0039] 1, bottom plate; 2, outer warehouse; 3, inner warehouse; 4, storage rotating frame; 5, temperature control system; 6, cold row structure; 201, outer frame; 202, spraying chamber; 203, first ultraviolet lamp; 301, inner frame; 302, fluorescent lamp; 303, ethylene remover; 401, rotating shaft; 402, baffle; 403, layer plate; 404, second ultraviolet lamp; 405, spray head; 406, integrated sensor; 501, hot water tank; 502, cold water tank; 503, water pump; 504, three-way valve; 505, infusion tube; 506, liquid return pipe; 507, temperature control pipe. DETAILED DESCRIPTION

[0040] The technical scheme in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0041] Refer to Figures 1-10 ​The utility model provides an embodiment: a kind of fruit and vegetable controlled atmosphere fresh-keeping store, including bottom plate 1, outer storehouse 2, inner storehouse 3, article rotating frame 4, temperature control system 5 and cold row structure 6, outer storehouse 2 lower end is fixedly arranged to the upper end of bottom plate 1 four around edge positions, inner storehouse 3 lower end is fixedly arranged to the upper end center position of bottom plate 1, article rotating frame 4 lower end is fixedly arranged to the upper end center position of bottom plate 1 in inner storehouse 3 inside lower, temperature control system 5 is fixedly arranged to the upper end of outer storehouse 2 and the inner wall of the two sides of inner storehouse 3, cold row structure 6 lower end is fixedly arranged to the upper end four around edge positions of outer storehouse 2.

[0042] Outer storehouse 2 is effectively disinfected to the personnel entering inner storehouse 3 by spray chamber 202, outer storehouse 2 is effectively disinfected to the air between the interlayer of outer storehouse 2 and inner storehouse 3 by two first ultraviolet lamps 203, double-layer structure design plays good auxiliary role to temperature control system 5, inner storehouse 3 plays good regulation and control role to the ethylene content in the air in store by two ethylene eliminators 303, article rotating frame 4 is convenient for operator to check the fruit needing to be checked at any position of storehouse by rotating shaft 401, temperature control system 5 is convenient for user to adjust in time according to the information of integrated sensor 406, cold row structure 6 plays good auxiliary heat dissipation effect to the liquid in return liquid pipe 506.

[0043] Outer storehouse 2 includes outer frame 201, spray chamber 202 and two first ultraviolet lamps 203, outer frame 201 lower end is fixedly arranged to the upper end of bottom plate 1 four around edge positions, spray chamber 202 is fixedly arranged to the position between the front end of outer frame 201 and inner frame 301 middle lower, spray chamber 202 is effectively disinfected to the personnel entering storehouse, and outer storehouse door is fixedly set in the front end profile of spray chamber 202 through the front end middle lower position of outer frame 201.

[0044] Two first ultraviolet lamps 203 are respectively fixedly arranged to the inner surface middle upper position of the front end and rear end of outer frame 201, and two first ultraviolet lamps 203 play good sterilization and disinfection effect to the air in the interlayer between outer frame 201 and inner frame 301, two air exchange fans equipped with electric door plate are fixedly set in the middle upper position of the sidewall of outer frame 201, and in use, according to actual use needs, staff can fully exchange the air in interlayer and external air through two air exchange fans equipped with electric door plate, to play the role of controlling storehouse gas composition and humidity.

[0045] The inner warehouse 3 includes an inner frame 301, multiple fluorescent lamps 302 and two ethylene eliminators 303. The lower end of the inner frame 301 is fixedly set in the middle position of the upper end of the bottom plate 1. The middle and lower position of the front end of the inner frame 301 coincides with the rear end contour of the spray chamber 202 and is fixedly provided with an inner warehouse door. The inner warehouse door cooperates with the outer warehouse door and the spray chamber 202 to effectively solve the potential pollution problem caused by people entering the warehouse. Multiple fluorescent lamps 302 are evenly fixed to the inner surface of the front end and the inner surface of the rear end of the inner frame 301. When in use, the user can use multiple fluorescent lamps 302 to simulate the natural environment according to actual needs, which helps to maintain the color and freshness of fruits and vegetables.

[0046] Two ethylene eliminators 303 are respectively fixedly set to the middle of the front inner surface and the rear inner surface of the inner frame 301 near the upper end. The two ethylene eliminators 303 can be used to adjust the ethylene concentration in the air in the warehouse according to actual needs, thereby effectively extending the shelf life of fruits and vegetables, delaying the ripening process, reducing the physiological loss of fruits and vegetables, and maintaining the freshness and nutritional value of fruits and vegetables. Two ventilation fans equipped with electric door panels are fixedly set in the middle of the front and rear ends of the inner frame 301, just below the two ethylene eliminators 303. The staff can use the two ventilation fans equipped with electric door panels to fully exchange the disinfected and sterilized air in the interlayer with the air in the inner frame 301, thereby controlling the gas composition and humidity in the warehouse while avoiding pollution.

[0047] The storage rotating rack 4 includes a rotating shaft 401, four baffles 402, five layers 403, multiple second ultraviolet lamps 404, multiple nozzles 405 and multiple integrated sensors 406. The lower end of the rotating shaft 401 is rotatably set to the center position of the bottom plate 1, which matches the center position of the platform of the lower end size of the inner frame 301. The five layers 403 are fixed in the center position from bottom to top by the rotating shaft 401. The rotating shaft 401 allows the storage rotating rack 4 to be flexibly rotated according to the actual needs of the user, which is convenient for carrying or inspection operations. The upper ends of the five layers 403 are respectively recessed toward the center. The recessed upper ends of the five layers 403 toward the center not only reduces the possibility of fruits and vegetables rolling down, but also allows the liquid on the fruits and vegetables to gather toward the position of the rotating shaft 401 under the action of gravity. The four baffles 402 are symmetrically centered and vertically penetrate the five layers 403 and are fixed to the front end, rear end and both sides of the rotating shaft 401. The four baffles 402 and five layers 403 provide sufficient classified and orderly storage space for fruits and vegetables.

[0048] The plurality of spray heads 405 are fixed in sequence vertically through the rotating shaft 401 in groups of five, and are separated by the five layer plates 403 and the four baffles 402. The rotating shaft 401 has a double-layer structure, and a pipe system is fixedly arranged in the center of the inner cylinder of the rotating shaft 401. The input end of the pipe system is fixedly connected to one input end of the lower end center of the water pump 503 through a pipeline penetrating the upper end of the outer frame 201, and the pipe system is fixedly connected to the plurality of spray heads 405. During use, the user can spray water vapor on fruits and vegetables or air in the warehouse through the plurality of spray heads 405 according to actual needs, increase air humidity, reduce transpiration of fruits and vegetables, delay water loss and aging of fruits and vegetables, and maintain freshness.

[0049] Drainage openings are fixedly arranged at staggered positions of the outer column wall of the rotating shaft 401 and the five layer plates 403. The drainage openings facilitate good drainage of residual liquid collected in the rotating shaft 401 through the water pipe network fixedly connected to the lower end of the rotating shaft 401. The integrated sensor 406 is fixedly arranged above every group of five spray heads 405 on the cylindrical surface of the rotating shaft 401. The plurality of integrated sensors 406 detect temperature, humidity, and concentrations of carbon dioxide, oxygen, and ethylene at corresponding positions at multiple points, and provide detailed information of the environment in the warehouse to the PLC module and the user. The plurality of second ultraviolet lamps 404 are fixedly arranged on one side of each layer of the baffles 402 separated by the five layer plates 403. The plurality of second ultraviolet lamps 404 kill microorganisms by releasing ultraviolet light in the UV-C band, prolong the shelf life of fruits and vegetables, and are simple to operate, low in cost, and free of chemical residues.

[0050] The temperature control system 5 includes a hot water tank 501, a cold water tank 502, a water pump 503, two three-way valves 504, a liquid delivery pipe 505, a liquid return pipe 506, and two temperature control pipes 507. The hot water tank 501 and the cold water tank 502 are fixedly arranged on both sides of the center of the upper end of the outer frame 201 in axial symmetry, respectively. The water pump 503 is fixedly arranged on one side of the center of the upper end of the outer frame 201 close to the spraying chamber 202. The hot water tank 501 and the cold water tank 502 are fixedly connected to the lower center of one end of the water pump 503 away from the spraying chamber 202 through a pipeline and one of the two three-way valves 504 located between the hot water tank 501 and the cold water tank 502. The other of the two three-way valves 504 is fixedly connected to the middle position of the pipe body of the liquid return pipe 506 through a pipeline.

[0051] According to the temperature and humidity information provided by the plurality of integrated sensors 406, the user can control the liquid of the hot water tank 501 or the cold water tank 502 to form hot liquid or cold liquid circulation through the water pump 503, the liquid delivery pipe 505, the two temperature control pipes 507 and the liquid return pipe 506, thereby adjusting the temperature inside the inner frame 301, and cooperating with the plurality of spray heads 405 to spray hot water vapor or cold water vapor to improve the temperature adjustment and humidity adjustment effect.

[0052] The two temperature control pipes 507 are respectively laid flat and fixedly arranged on the inner surfaces of the two side walls of the inner frame 301. The two lower ends of the liquid return pipe 506 respectively penetrate the upper end of the outer frame 201 and are fixedly connected to the liquid return ports of the two temperature control pipes 507. The middle position of the pipe body of the liquid delivery pipe 505 penetrates and is fixedly connected to one output end at the center position of the end of the water pump 503 away from the spray chamber 202. The two lower ends of the liquid delivery pipe 505 respectively penetrate the upper end of the outer frame 201 and are fixedly connected to the liquid inlet ports of the two temperature control pipes 507. The two temperature control pipes 507 respectively laid flat and fixed to the inner surfaces of the two side walls of the inner frame 301 help to uniformly and stably control the temperature in the library. The liquid delivery pipe 505, the liquid return pipe 506 and the two temperature control pipes 507 cooperate with the hot water tank 501, the cold water tank 502 and the water pump 503 to form hot circulation and cold circulation according to actual use needs, thereby facilitating the regulation of the temperature in the library.

[0053] The lower end of the cooling structure 6 is fixedly arranged at the upper end of the outer frame 201 around the edge position. The front end, the rear end and the two sides of the cooling structure 6 are fixedly arranged with louver structures. The front end and the rear end of the cooling structure 6 are respectively fixedly arranged with cooling fans at the center positions. The cooling structure 6 plays a good auxiliary heat dissipation role for the liquid in the liquid return pipe 506 through the two cooling fans and the louver structures according to actual use needs. The bottom plate 1, the upper end of the outer frame 201 and the inside of the inner frame 301 are fixedly arranged with heat insulation materials, which play a good auxiliary role for the temperature control system 5 to regulate the temperature in the library.

[0054] The PLC module is fixedly arranged inside the front end of the inner frame 301. The PLC module is wirelessly connected with the control network. When in use, the user remotely controls the PLC module through the control network according to the environmental information collected by the plurality of integrated sensors 406, thereby controlling the two air exchange fans, the two ventilation fans, the two cooling fans, the plurality of spray heads 405, the water pump 503, the two three-way valves 504, the two ethylene removers 303, the two first ultraviolet lamps 203, the plurality of second ultraviolet lamps 404 and the plurality of fluorescent lamps 302 to finely adjust the temperature, humidity and air composition in the library, so as to ensure that the fruits and vegetables in the library are always in the best storage state.

[0055] Working principle: When in use, the outer warehouse 2 effectively disinfects the personnel entering the warehouse through the spray chamber 202, and uses two first ultraviolet lamps 203 to fully sterilize and disinfect the air between the outer warehouse 2 and the inner warehouse 3. The inner warehouse 3 uses two ethylene eliminators 303 and two ventilation fans equipped with electric door panels to adjust the gas composition in the warehouse according to the warehouse environment information collected by multiple integrated sensors 406, thereby extending the shelf life of fruits and vegetables. The rotating rack 4 uses the rotating shaft 401 to facilitate operators to rotate, inspect or transport fruits and vegetables. The temperature control system 5 adjusts the temperature and humidity according to the warehouse environment information collected by multiple integrated sensors 406 in conjunction with the multiple nozzles 405 on the rotating shaft 401 to maintain a suitable environment. Users can remotely connect to the PLC module through the control network according to actual needs and then control the various components in the warehouse to achieve precise control and optimization of the warehouse environment, thereby ensuring that the freshness and nutritional value of fruits and vegetables are retained to the greatest extent.

[0056] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent replacements for some of the technical features therein. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A fruit and vegetable controlled atmosphere fresh-keeping warehouse, comprising a bottom plate (1), an outer warehouse (2), an inner warehouse (3), a rotating rack (4), a temperature control system (5) and a cold row structure (6), characterized in that: The lower end of the outer warehouse (2) is fixedly arranged to the edge positions around the upper end of the base plate (1), the lower end of the inner warehouse (3) is fixedly arranged to the center position of the upper end of the base plate (1), the lower end of the storage rotating rack (4) is fixedly arranged to the center position of the upper end of the base plate (1) inside the inner warehouse (3), the temperature control system (5) is fixedly arranged to the upper end of the outer warehouse (2) and the inner walls of the side panels on both sides of the inner warehouse (3), and the lower end of the cold row structure (6) is fixedly arranged to the edge positions around the upper end of the outer warehouse (2); The outer warehouse (2) includes an outer frame (201), a spray chamber (202) and two first ultraviolet lamps (203); the inner warehouse (3) includes an inner frame (301), multiple fluorescent lamps (302) and two ethylene excluders (303); the storage rotating rack (4) includes a rotating shaft (401), four baffles (402), five layers (403), multiple second ultraviolet lamps (404), multiple nozzles (405) and multiple integrated sensors (406); the temperature control system (5) includes a hot water tank (501), a cold water tank (502), a water pump (503), two three-way valves (504), a liquid infusion pipe (505), a liquid return pipe (506) and two temperature control pipes (507).

2. The controlled atmosphere fresh-keeping storage for fruits and vegetables according to claim 1, characterized in that: The lower end of the outer frame (201) is fixedly arranged at the edge positions around the upper end of the bottom plate (1); the spray chamber (202) is fixedly arranged at the middle lower position between the front ends of the outer frame (201) and the inner frame (301); an outer door is fixedly arranged through the middle lower position of the front end of the outer frame (201) to match the front end contour of the spray chamber (202); the two first ultraviolet lamps (203) are respectively fixedly arranged at the middle upper position of the inner surface of the front end and the rear end of the outer frame (201); and two ventilation fans equipped with electric door panels are fixedly arranged through the middle upper position of the side walls on both sides of the outer frame (201).

3. The controlled atmosphere fresh-keeping storage for fruits and vegetables according to claim 1, characterized in that: The lower end of the inner frame (301) is fixedly set to the middle position of the upper end of the base plate (1); the inner door is fixedly set through the middle lower position of the front end of the inner frame (301) to match the rear end contour of the spray chamber (202); a plurality of fluorescent lamps (302) are evenly fixedly set on the front inner surface and the rear inner surface of the inner frame (301); the two ethylene excluders (303) are respectively fixedly set to the middle of the front inner surface and the rear inner surface of the inner frame (301) near the upper end; two ventilation fans equipped with electric door panels are fixedly set through the middle of the front and rear ends of the inner frame (301) and located directly below the two ethylene excluders (303).

4. The controlled atmosphere fresh-keeping warehouse for fruits and vegetables according to claim 1, characterized in that: The lower end of the rotating shaft (401) is rotated and set to the center position of the platform of the bottom plate (1) that matches the size of the lower end of the inner frame (301). The five layers (403) are fixed in the center position sequentially from bottom to top by the rotating shaft (401). The upper ends of the five layers (403) are respectively recessed toward the center. The four baffles (402) are respectively vertically penetrated through the five layers (403) in a centrally symmetrical manner and are fixed to the front end, the rear end and both sides of the rotating shaft (401). The plurality of the second ultraviolet lamps (404) are respectively fixed to the upper position on one side of each layer of baffles (402) separated by the five layers (403).

5. The controlled atmosphere fresh-keeping warehouse for fruits and vegetables according to claim 1, characterized in that: A plurality of the nozzles (405) are vertically and sequentially fixed in groups of five to the plurality of rotating shafts (401) separated by the five layers (403) and the four baffles (402) of the rotating shaft (401). The integrated sensor (406) is fixedly arranged above each group of five nozzles (405) in the plurality of the nozzles (405) on the cylindrical surface of the rotating shaft (401). The rotating shaft (401) is a double-layer structure. A pipe system is fixedly arranged inside the central cylinder of the rotating shaft (401). The input end of the pipe system passes through the upper end of the outer frame (201) and is fixedly connected to an input end at the center position of the lower end of the water pump (503) through a pipe. The pipe system is fixedly connected to the plurality of the nozzles (405). A drainage outlet is fixedly opened at the staggered position of the outer column wall of the rotating shaft (401) and the five layers (403).

6. The controlled atmosphere fresh-keeping warehouse for fruits and vegetables according to claim 1, characterized in that: The hot water tank (501) and the cold water tank (502) are respectively fixedly arranged on both sides of the center position of the upper end of the outer frame (201) in an axisymmetric manner. The water pump (503) is fixedly arranged at a position in the middle of the upper end of the outer frame (201) close to one side of the spray chamber (202). The hot water tank (501) and the cold water tank (502) are fixedly connected to the lower center position of the end of the water pump (503) away from the spray chamber (202) through a pipeline and one of the two three-way valves (504) located between the hot water tank (501) and the cold water tank (502). The middle position of the end of the hot water tank (501) and the cold water tank (502) away from the spray chamber (202) is respectively fixedly connected to the middle position of the pipe body of the return pipe (506) through a pipeline and the other of the two three-way valves (504).

7. The controlled atmosphere fresh-keeping warehouse for fruits and vegetables according to claim 1, characterized in that: The two temperature control pipes (507) are respectively laid flat and fixedly arranged on the inner surfaces of the side walls on both sides of the inner frame (301); the two lower ends of the return liquid pipe (506) respectively penetrate the upper end of the outer frame (201) and are fixedly connected to the return liquid ports of the two temperature control pipes (507); the middle position of the pipe body of the liquid delivery pipe (505) is fixedly connected to an output end of the water pump (503) at the center position of one end away from the spray chamber (202) through a pipeline; the two lower ends of the liquid delivery pipe (505) respectively penetrate the upper end of the outer frame (201) and are fixedly connected to the liquid inlets of the two temperature control pipes (507).

8. The controlled atmosphere fresh-keeping warehouse for fruits and vegetables according to claim 1, characterized in that: The lower end of the cooling structure (6) is fixedly arranged at the edge positions around the upper end of the outer frame (201); the front end, the rear end and both sides of the cooling structure (6) are fixedly provided with louver structures; the center positions of the front end and the rear end of the cooling structure (6) are fixedly provided with cooling fans; the bottom plate (1), the upper end of the outer frame (201) and the interior of the inner frame (301) are fixedly provided with heat insulation materials; the interior of the front end of the inner frame (301) is fixedly provided with a PLC module; and the PLC module is wirelessly connected to the control network.

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