Apple fresh-keeping storage device
By using humidity sensors and PLC controllers for zoned humidity control, combined with the sealed design of the dual-head motor drive assembly, the problems of imprecise humidity control and easy opening of the cabinet door in existing technologies have been solved, achieving precise humidity control and environmental stability for apple storage.
Patent Information
- Application Number
- CN202520685470.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-12
- Publication Date
- 2026-02-17
- Estimated Expiration
- 2035-04-12
AI Technical Summary
Existing apple preservation and storage devices are difficult to precisely control humidity, and the doors can be easily opened, affecting the stability of the internal environment.
A humidity sensor is used to monitor the humidity of the internal area. The operation of water pumps and solenoid valves is controlled by a PLC controller to achieve zoned humidity control. A dual-head motor drive assembly is used to achieve sealed storage, ensuring that only authorized personnel can open it.
It enables precise humidity control and sealed storage for different types of apples, maintaining a stable internal environment and preventing humidity fluctuations and unauthorized opening.
Smart Images

Figure CN223919929U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of fruit storage technology, and in particular to an apple preservation and storage device. Background Technology
[0002] Apple preservation and storage devices are specialized equipment or facilities designed to extend the shelf life of apples and maintain their quality. These devices or facilities typically have the ability to regulate temperature, humidity, and gas composition to create an environment conducive to the long-term preservation of apples.
[0003] A reference can be made to an existing apple preservation storage box (CN222292340U). The reference describes a series of structures, including an oxygen concentration detection sensor, a plate-type nitrogen molecular sieve, and a fan, which can effectively reduce the oxygen concentration inside the first box. This invention can effectively prevent apples from rotting due to contact with oxygen and improve the preservation and storage effect of apples.
[0004] As shown in the aforementioned literature, most existing apple preservation and storage devices adopt a box-type design, storing apples centrally in a sealed space. Since apples typically require storage in an environment with a humidity level of no less than 80%, humidifiers are installed in apple preservation and storage devices to ensure that apples are stored in a suitable humidity environment. However, different types of apples have different humidity requirements, and it is difficult to achieve precise humidity control using only a humidifier. Furthermore, box-type apple preservation and storage devices generally have front doors that can be opened freely, and frequent opening of the doors by external personnel can also affect the internal environment. Therefore, an apple preservation and storage device with zoned humidification control and a lockable door is designed. Utility Model Content
[0005] The purpose of this invention is to address the shortcomings of existing technologies by proposing an apple preservation and storage device. During apple storage, this invention uses humidity sensors to monitor humidity in different internal areas. A PLC controller receives the humidity signals and controls the operation of water pumps and solenoid valves to maintain humidity within the preset range of the PLC controller. This zoned control ensures that different types of apples are stored in a suitable humidity environment.
[0006] To achieve the above objectives, the present invention adopts the following technical solution:
[0007] An apple preservation and storage device includes a storage cabinet and a water tank. A drive box is fixedly installed at the bottom of the storage cabinet. The drive box contains a drive assembly, which includes two threaded seats that move linearly in opposite directions. Two push rods are fixed to the ends of the two threaded seats away from the center, and transmission seats are fixed to the other ends of the two push rods. A water guide plate is connected above the transmission seat. Multiple guide tubes and positioning plates are provided at the ends of the two water guide plates near the center. Multiple placement boxes are slidably installed inside the storage cabinet, and their positions are fixed by the two positioning plates. Multiple atomizing nozzles are provided inside the storage cabinet, and the atomizing nozzles are all connected to spray interfaces on both sides of the storage cabinet, with the guide tubes inserted into the spray interfaces. The water tank is fixed above the storage cabinet, and a PLC controller is connected to the front end of the water tank. Multiple humidity sensors are provided inside the storage cabinet.
[0008] The present invention is further configured as follows: the drive assembly includes: a dual-head motor, which is fixedly installed in the middle of the drive box; lead screw one and lead screw two, both fixed to the output end of the dual-head motor, and the threads of lead screw one and lead screw two are opposite, and two threaded seats are respectively threaded to the outside of lead screw one and lead screw two and slidably installed inside the drive box.
[0009] The present invention is further configured such that a partition frame is integrally connected inside the placement box, and inserts are integrally connected to both sides of the placement box. The inserts are all fitted into the inner wall of the storage cabinet, and slots are provided on the surface of the inserts.
[0010] The present invention is further configured such that multiple positioning slots are provided on both sides of the storage cabinet, and the positioning plate passes through the positioning slots and is inserted into the slots to fix the position of the box.
[0011] The present invention is further configured such that the front end of the water guide plate is fixed with a sealing plate by an L-shaped bracket, the two sealing plates are attached to the front end of the storage cabinet and close the front opening, and the two sealing plates are connected to a sealing strip at the end near the center.
[0012] The present invention is further configured to have two water pumps fixedly installed on the upper end of the water tank. The inlets of the two water pumps are connected to the inside of the water tank through pipes, and the outlets of the two water pumps are connected to corrugated hoses. The other end of the corrugated hoses is connected to a water guide plate, and a solenoid valve is provided in the middle section of the guide tube.
[0013] The present invention is further configured such that all humidity sensors are connected to the PLC controller via signal connection, the PLC controller is electrically connected to the water pump and solenoid valve, and the dual-head motor is independently controlled by an external controller.
[0014] The beneficial effects of this utility model are as follows:
[0015] 1. During the apple preservation and storage process, the humidity sensor monitors the humidity of different areas inside the device. The PLC controller receives the humidity signal and controls the operation of the water pump and solenoid valve to keep the humidity of each area within the preset range of the PLC controller. The zoned control allows different types of apples to be stored in a suitable humidity environment. The control method is more precise than that of a single humidifier.
[0016] 2. When the two water guide plates move towards the center, the positioning plates on the surface of the two water guide plates fix the position of the box. At the same time, during the process of moving towards the center, the two sealing plates just close the front opening of the storage cabinet, achieving sealed storage. The drive unit is driven by a dual-head motor, which needs to be independently controlled by an external controller. This prevents external personnel from opening the storage cabinet at will, and requires authorization from the storage personnel to open it, thus ensuring a stable internal environment. Attached Figure Description
[0017] Figure 1 This is a schematic diagram of the overall structure of the apple preservation and storage device proposed in this utility model.
[0018] Figure 2 This is a schematic diagram of the internal structure of the storage cabinet of the apple preservation and storage device proposed in this utility model;
[0019] Figure 3 The apple preservation and storage device proposed in this utility model Figure 2 A schematic diagram of the front structure;
[0020] Figure 4 This is a schematic diagram of the water guide plate structure of the apple preservation and storage device proposed in this utility model;
[0021] Figure 5 This is a schematic diagram of the bottom structure of the drive box of the apple preservation and storage device proposed in this utility model;
[0022] Figure 6 This is a schematic diagram of the placement box structure of the apple preservation and storage device proposed in this utility model.
[0023] In the diagram: 1. Storage cabinet; 2. Water tank; 3. Drive box; 4. PLC controller; 5. Water pump; 6. Water guide plate; 7. Sealing plate; 8. Sealing strip; 9. Placement box; 10. Insert strip; 11. Spray interface; 12. Positioning socket; 13. Humidity sensor; 14. Atomizing nozzle; 15. Conduit; 16. Solenoid valve; 17. Corrugated hose; 18. Positioning insert plate; 19. Transmission seat; 20. Dual-head motor; 21. Lead screw one; 22. Lead screw two; 23. Threaded seat; 24. Top rod; 25. L-shaped bracket; 26. Divider; 27. Slot. Detailed Implementation
[0024] The technical solution of this patent will be further described in detail below with reference to specific embodiments.
[0025] The embodiments of this patent are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this patent, and should not be construed as limiting this patent.
[0026] In the description of this patent, it should be understood that the terms “center,” “upper,” “lower,” “front,” “back,” “left,” “right,” “vertical,” “horizontal,” “top,” “bottom,” “inner,” and “outer,” etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this patent and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this patent.
[0027] In the description of this patent, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," and "setting" should be interpreted broadly. For example, they can refer to a fixed connection or setting, a detachable connection or setting, or an integral connection or setting. Those skilled in the art can understand the specific meaning of the above terms in this patent according to the specific circumstances.
[0028] Reference Figure 1-6 Apple preservation and storage device, including: storage cabinet 1, multiple placement boxes 9 are installed inside the storage cabinet 1, water tank 2 is set on the top of the storage cabinet 1, and drive box 3 is installed at the bottom of the storage cabinet 1.
[0029] Specifically, place box 9 as follows Figure 6 As shown, the placement box 9 has insert strips 10 integrally connected to both sides, and can also be referenced. Figure 2-3 All inserts 10 are fitted into the inner wall of the storage cabinet 1, so that the inserts 10 can be slidably installed inside the storage cabinet 1.
[0030] Furthermore, the interior of the placement box 9 is integrally connected with a divider 26, which allows the apples to be placed independently to avoid collisions between them.
[0031] The drive box 3 contains drive components, such as... Figure 5 As shown, the driving source of the drive assembly is a dual-head motor 20. The dual-head motor 20 is fixedly installed in the middle of the drive box 3. Lead screw 1 21 and lead screw 22 are fixed on the two output ends of the dual-head motor 20 respectively. Lead screw 1 21 and lead screw 22 are threadedly connected to the outside of both lead screw 1 21 and lead screw 22. The two threaded seats 23 are slidably installed inside the drive box 3.
[0032] Furthermore, the threads of lead screw 21 and lead screw 22 have opposite directions.
[0033] In this embodiment, the rotation of the two output ends of the dual-head motor 20 in the same direction drives the lead screw 1 21 and lead screw 22 to rotate synchronously. Since the threads run in opposite directions, the two thread seats 23 move in opposite linear directions around the dual-head motor 20.
[0034] Meanwhile, two push rods 24 are fixed at the ends of the two threaded seats 23 away from the center, and both push rods 24 extend out of the drive box 3.
[0035] Specifically, this device also includes a water guide plate 6, such as Figure 4 As shown, the water guide plate 6 has a hollow interior, and a transmission seat 19 is installed at the bottom, which can be referred to. Figure 1-2 Both transmission seats 19 are fixed to the other end of the two push rods 24, so the push rods 24 can drive the two water guide plates 6 to move in opposite directions in a straight line.
[0036] Furthermore, multiple conduits 15 and positioning plates 18 are provided at the center end of each of the two water guide plates 6, with each conduit 15 and positioning plate 18 forming a set corresponding to a placement area.
[0037] like Figure 2 As shown, spray ports 11 and positioning sockets 12 are provided on both sides of the storage cabinet 1. Each spray port 11 and positioning socket 12 is a set corresponding to a placement area. At the same time, the other end of each spray port 11 is connected to an atomizing nozzle 14.
[0038] Therefore, when the two water guide plates 6 move closer to the center, the conduit 15 can be inserted into the spray port 11 to complete the connection.
[0039] Furthermore, a solenoid valve 16 is installed in the middle section of the conduit 15, and each placement area is humidified independently by controlling the opening and closing of the solenoid valve 16.
[0040] Furthermore, slots 27 are provided on the sides of the insert 10. Therefore, when the two water guide plates 6 move toward the center, the positioning insert 18 enters the positioning socket 12 and is simultaneously inserted into the slot 27 to fix the position of the placement box 9.
[0041] At the same time, such as Figure 1 As shown, the front ends of the two water guide plates 6 are connected to the sealing plates 7 by L-shaped brackets 25. Therefore, when the two water guide plates 6 move closer to the center, the two sealing plates 7 just close the front opening of the storage cabinet 1. The contact ends of the two sealing plates 7 are provided with sealing strips 8 to improve the tightness of the connection.
[0042] It should be noted that the dual-head motor 20, the drive source of the drive component, is independently controlled by an external controller and needs to be opened independently by the storage personnel. Therefore, when the storage cabinet 1 is closed, external personnel must be authorized by the storage personnel to open it and cannot open it at will.
[0043] Specifically, such as Figure 1 As shown, two water pumps 5 are fixedly installed at the upper end of the water tank 2. The inlets of the two water pumps 5 are connected to the inside of the water tank 2 through pipes, and the outlets of the two water pumps 5 are connected to corrugated hoses 17. The other end of the corrugated hoses 17 is connected to the top of the water guide plate 6.
[0044] The corrugated hose 17 is able to move in a straight line following the water guide plate 6 due to its telescopic properties.
[0045] Specifically, a PLC controller 4 is connected to the front end of water tank 2, and at the same time... Figure 3 As shown, a humidity sensor 13 is installed in each placement area inside the storage cabinet 1.
[0046] PLC controller 4 is connected to humidity sensor 13 via signal, and PLC controller 4 is electrically connected to water pump 5 and solenoid valve 16.
[0047] In this embodiment, the PLC controller 4 presets the humidity threshold for each area. When the humidity of the placement area is lower than the preset threshold, the PLC controller 4 starts the water pump 5 and opens the solenoid valve 16 of the corresponding area to humidify the designated area to reach the required humidity threshold, ensuring that each area can be processed independently.
[0048] In practical use, the working principle of this utility model is as follows:
[0049] Firstly, when using this utility model, during the storage of apples, the humidity sensor 13 monitors the humidity of different areas inside. The PLC controller 4 receives the humidity signal and controls the operation of the water pump 5 and the solenoid valve 16 to keep the humidity of each area within the preset range of the PLC controller 4. The zone control allows different types of apples to be stored in a suitable humidity environment. The control method is more precise than that of a single humidifier.
[0050] Next, as the two water guide plates 6 move toward the center, the positioning inserts 18 on the surface of the two water guide plates 6 fix the position of the box 9. At the same time, as they move toward the center, the two sealing plates 7 just close the front opening of the storage cabinet 1, thus achieving sealed storage.
[0051] Finally, the drive source for the drive component is a dual-head motor 20. The dual-head motor 20 needs to be independently controlled by an external controller, which prevents external personnel from opening the storage cabinet 1 at will. Only authorized personnel can open it, thus ensuring the stability of the internal environment.
[0052] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.
Claims
1. An apple fresh-keeping storage device, comprising: Storage cabinet (1) and water tank (2), characterized in that the bottom of the storage cabinet (1) is fixedly provided with a drive box (3), the drive box (3) is internally provided with a drive assembly, the drive assembly comprises two opposite linearly moving threaded seats (23), two top rods (24) are fixedly arranged at the end away from the center of each threaded seat (23), the other end of each top rod (24) is fixedly provided with a transmission seat (19), the upper side of the transmission seat (19) is connected with a water guide plate (6), the end close to the center of each water guide plate (6) is provided with a plurality of guide pipes (15) and positioning plug plates (18), a plurality of placing boxes (9) are slidably arranged in the storage cabinet (1), the positions of the placing boxes (9) are fixed by the two positioning plug plates (18), a plurality of atomizing nozzles (14) are arranged in the storage cabinet (1), the atomizing nozzles (14) are connected with the spray interfaces (11) on the two sides of the storage cabinet (1), and the guide pipes (15) are inserted into the spray interfaces (11); The water tank (2) is fixed above the storage cabinet (1), the front end of the water tank (2) is connected with a PLC controller (4), and a plurality of humidity sensors (13) are arranged in the storage cabinet (1).
2. The apple fresh-keeping storage device according to claim 1, characterized in that, The drive assembly comprises: A double-head motor (20) is fixedly arranged in the middle end of the inside of the drive box (3); A lead screw one (21) and a lead screw two (22) are fixedly arranged at the output end of the double-head motor (20), and the threads of the lead screw one (21) and the lead screw two (22) are opposite, and the two threaded seats (23) are threadedly connected to the outside of the lead screw one (21) and the lead screw two (22) and are slidably arranged in the drive box (3).
3. The apple fresh keeping storage device according to claim 1, characterized in that, The inside of the placing box (9) is integrally connected with a partition frame (26), the two sides of the placing box (9) are integrally connected with plug strips (10), the plug strips (10) are fitted and inserted into the inner wall of the storage cabinet (1), and the surfaces of the plug strips (10) are provided with plug grooves (27).
4. The apple fresh keeping storage device according to claim 1, characterized in that, The two sides of the storage cabinet (1) are provided with a plurality of positioning sockets (12), the positioning plug plates (18) are inserted into the plug grooves (27) through the positioning sockets (12) to fix the positions of the placing boxes (9).
5. The apple fresh keeping storage device according to claim 1, characterized in that, The front ends of the water guide plates (6) are fixedly provided with sealing plates (7) through L-shaped supports (25), the two sealing plates (7) are attached to the front end of the storage cabinet (1) and close the front opening, and the ends close to the center of the two sealing plates (7) are connected with sealing rubber strips (8).
6. The apple fresh keeping storage device according to claim 1, characterized in that, Two water pumps (5) are fixedly arranged at the upper end of the water tank (2), the water inlets of the two water pumps (5) are connected with the inside of the water tank (2) through pipelines, the water outlets of the two water pumps (5) are connected with corrugated hoses (17), the other ends of the corrugated hoses (17) are connected with the water guide plates (6), and electromagnetic valves (16) are arranged at the middle sections of the guide pipes (15).
7. The apple fresh keeping storage device according to claim 1, characterized in that, The humidity sensors (13) are signal connected with the PLC controller (4), the PLC controller (4) is electrically connected with the water pumps (5) and the electromagnetic valves (16), and the double-head motor (20) is independently controlled by an external controller.
Citation Information
Patent Citations
Apple fresh-keeping storage box
CN222292340U