Stevia rebaudiana culture shelf

By designing a stevia cultivation rack with automatic liquid replenishment and uniform lighting, the problems of nutrient solution leakage and uneven lighting are solved, automated management and uniform illumination are achieved, and the growth environment of stevia is improved.

CN223349280UActive Publication Date: 2025-09-19HUAIBEI RUNHUI HORTICULTURE CO LTD
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Patent Information

Application Number
CN202422868802.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-25
Publication Date
2025-09-19
Estimated Expiration
2034-11-25

AI Technical Summary

Technical Problem

The nutrient solution in existing stevia cultivation devices is prone to overflow and leakage, requiring manual supervision, and the uneven distribution of light leads to uneven lighting, which affects growth.

Method used

A stevia culture rack is designed, which adopts a structure of a first connecting tube, a second connecting tube and a liquid replenishing tank. Liquid is automatically replenished by a pump to prevent leakage. At the same time, fluorescent lamps are installed on the top of the rack and the bottom of the nutrient solution tank to ensure that each layer of culture plates is evenly illuminated.

Benefits of technology

Automatic rehydration is achieved without manual supervision, which prevents nutrient solution from leaking and ensures uniform light exposure on each layer of the culture plate, promoting the healthy growth of stevia.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a stevia rebaudiana culture shelf, which belongs to the technical field of culture equipment and comprises a shelf body, fluorescent lamps are mounted at the top of the shelf body and the bottoms of nutrient solution tanks, a liquid supplementing tank is mounted at the bottom of the shelf body, one side of the liquid supplementing tank is connected with a pump, and the output end of the pump is connected with the uppermost nutrient solution tank through a pipeline. A first connecting pipe is connected between every two adjacent nutrient solution grooves, and a second connecting pipe located on the inner side of the liquid supplementing box is connected to the nutrient solution groove located on the lowermost layer. According to the utility model, through the arrangement of the first connecting pipe, the second connecting pipe and the liquid supplementing box, a pump machine pumps a nutrient solution in the liquid supplementing box into the nutrient solution tank at the topmost layer through a pipeline, and after the nutrient solution tank at the topmost layer is filled with the nutrient solution, the nutrient solution overflows and enters the nutrient solution tank at the next layer through the first connecting pipe; and the pump machine is closed until the liquid enters the liquid supplementing box through the second connecting pipe, manual watching is not needed, and spilling and leakage cannot be caused.
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Description

Technical Field

[0001] The utility model relates to a plant cultivation device, in particular to a stevia cultivation rack, and belongs to the technical field of plant cultivation equipment. Background Art

[0002] Stevia is a perennial herb with a height of 1-1.3 meters. It has 50-60 large root tips that can reach 25 centimeters in length. The stem is erect, with a woody tip at the base and tender upper part with dense short hairs. The base of the corolla is light purple or white and the upper part is white. The achenes are linear, slightly flat, brown, and have pappus. The flowering period is from July to September, and the fruiting period is from September to November. A cultivation device is required in the stevia cultivation process.

[0003] According to the Chinese utility model patent (application number: 202120054811.5), a stevia cultivation incubator is disclosed, which has the following beneficial effects: avoiding the manual regular addition of nutrient solution, reducing workload, while reducing labor costs, helping to reduce electricity consumption and better energy conservation and emission reduction.

[0004] However, the device still has the following problems: it uses a pump to inject nutrient solution into multiple nutrient tanks at the same time, which can easily cause the nutrient solution to overflow or leak, requiring manual supervision at all times, which consumes manpower. In addition, the light of the device is only located on the top layer, resulting in uneven lighting on the upper and lower culture plates, affecting growth.

[0005] The utility model proposes a new solution to the above problems. Utility Model Content

[0006] The main purpose of the present utility model is to solve the problem that the above-mentioned device injects nutrient solution into multiple nutrient tanks at the same time through a pump, which easily causes the nutrient solution to overflow or leak, requires manual supervision, and consumes manpower; and the light of the above-mentioned device is only located on the top layer, resulting in uneven lighting of the upper and lower culture plates, which affects the growth. A stevia culture rack is provided.

[0007] The purpose of the utility model can be achieved by adopting the following technical solutions:

[0008] A stevia culture rack comprises a frame body, and a plurality of culture plates installed inside the frame body and evenly distributed up and down, the bottom of the culture plates being fixedly connected to a nutrient solution tank, the top of the frame body and the bottom of the nutrient solution tank being both installed with fluorescent lamps, a fluid replenishing tank being installed at the bottom of the frame body, a pump being connected to one side of the fluid replenishing tank, an output end of the pump being interconnected with the nutrient solution tank located on the uppermost layer through a pipeline, a first connecting pipe being connected between two adjacent nutrient solution tanks, and a second connecting pipe located on the inner side of the fluid replenishing tank being connected to the nutrient solution tank located on the lowermost layer.

[0009] Preferably, the frame includes a top plate and four pillars fixedly connected to the bottom of the top plate.

[0010] Preferably, an inner side of the frame is provided with a mounting groove connected to the pillar and slidably connected to the culture plate.

[0011] Preferably, a connecting pipe is fixedly connected to one side of the frame close to the pump, the bottom of the connecting pipe is connected to the output end of the pump, and the top of the connecting pipe is connected to a third connecting pipe.

[0012] Preferably, the first connecting pipe, the second connecting pipe and the third connecting pipe are all hoses.

[0013] Preferably, planting grooves are evenly arranged on the top of the culture plate.

[0014] Preferably, a water inlet pipe interconnected with the first connecting pipe is fixedly connected to the top of the culture plate, and a drain pipe interconnected with the first connecting pipe is fixedly connected to the side wall of the nutrient solution tank.

[0015] Preferably, the culture plate and the nutrient solution tank are connected to each other via screws.

[0016] Preferably, screw holes that cooperate with the screw threads are provided at the four corners of the top of the nutrient solution tank.

[0017] Preferably, a mounting hole corresponding to the screw hole is provided on the top of the culture plate.

[0018] The beneficial technical effects of the present invention are as follows: according to the stevia culture rack of the present invention, through the arrangement of the first connecting tube, the second connecting tube and the liquid replenishing tank, the pump pumps the nutrient solution in the liquid replenishing tank into the nutrient solution tank on the top layer through the pipeline. When the nutrient solution tank on the top layer is full of nutrient solution, it will overflow and enter the nutrient solution tank on the next layer through the first connecting tube, until it finally enters the liquid replenishing tank through the second connecting tube. The pump can be turned off, and no manual supervision is required, and no leakage will be caused. Through the arrangement of fluorescent lamps, the fluorescent lamps are installed on the top of the rack and the bottom of the nutrient solution tank, so that each layer of culture plates can be ensured to be fully irradiated, which can avoid the situation where the growth of stevia is affected by different light. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of a preferred embodiment provided by the utility model;

[0020] Figure 2 A side view of the overall structure of a preferred embodiment provided by the utility model;

[0021] Figure 3A schematic diagram of a frame structure according to a preferred embodiment of the present invention;

[0022] Figure 4 This is a schematic diagram of the connection between a culture plate and a nutrient solution tank according to a preferred embodiment of the present invention;

[0023] Figure 5 This is a schematic diagram of the disassembly of a culture plate and a nutrient solution tank according to a preferred embodiment of the present invention;

[0024] Figure 6 The figure is a schematic structural diagram of a fluid replenishment tank according to a preferred embodiment of the present invention.

[0025] In the figure: 1. frame; 2. culture plate; 3. nutrient solution tank; 4. refilling tank; 5. pump; 6. first connecting pipe; 7. fluorescent lamp; 8. second connecting pipe; 9. top plate; 10. support; 11. mounting groove; 12. connecting pipe; 13. third connecting pipe; 14. planting trough; 15. water inlet pipe; 16. drainage pipe; 17. screw; 18. screw hole; 19. mounting hole. DETAILED DESCRIPTION

[0026] In order to make the technical solution of the present invention more clear and specific to those skilled in the art, the present invention is described in further detail below with reference to embodiments and drawings, but the implementation manner of the present invention is not limited thereto.

[0027] like Figures 1-6 As shown, the stevia culture rack provided in this embodiment includes a frame 1, and a plurality of culture plates 2 installed on the inner side of the frame 1 and evenly distributed up and down, the bottom of the culture plate 2 is fixedly connected to a nutrient solution tank 3, the top of the frame 1 and the bottom of the nutrient solution tank 3 are both installed with fluorescent lamps 7, a fluid replenishing tank 4 is installed at the bottom of the frame 1, a pump 5 is connected to one side of the fluid replenishing tank 4, the output end of the pump 5 is interconnected with the nutrient solution tank 3 located on the uppermost layer through a pipeline, a first connecting pipe 6 is connected between two adjacent nutrient solution tanks 3, and the nutrient solution tank 3 located on the lowermost layer is connected to a second connecting pipe 8 located on the inner side of the fluid replenishing tank 4. Through the arrangement of the first connecting pipe 6, the second connecting pipe 8 and the liquid replenishing tank 4, the pump 5 pumps the nutrient solution in the liquid replenishing tank 4 into the top-layer nutrient solution tank 3 through the pipeline. When the top-layer nutrient solution tank 3 is full of nutrient solution, it will overflow and enter the next layer of nutrient solution tank 3 through the first connecting pipe 6, until it finally enters the liquid replenishing tank 4 through the second connecting pipe 8. Then, the pump 5 can be turned off. No manual supervision is required and no leakage will be caused. Through the arrangement of the fluorescent lamp 7, the fluorescent lamp 7 is installed at the top of the frame 1 and the bottom of the nutrient solution tank 3, so that each layer of culture plate 2 can be ensured to be fully irradiated, which can avoid the situation where stevia is affected by different light and its growth is affected.

[0028] In this embodiment, if Figure 1 、 Figure 2 and Figure 3 As shown, the frame 1 includes a top plate 9 and four pillars 10 fixedly connected to the bottom of the top plate 9. The inner side of the frame 1 is provided with a mounting groove 11 connected to the pillars 10 and slidably connected to the culture plate 2. A connecting pipe 12 is fixedly connected to the side of the frame 1 near the pump 5. The bottom of the connecting pipe 12 is connected to the output end of the pump 5. The top of the connecting pipe 12 is connected to a third connecting pipe 13. Planting grooves 14 are evenly distributed on the top of the culture plate 2. The mounting groove 11, as well as the first connecting pipe 6, the second connecting pipe 8, and the third connecting pipe 13 are all arranged in a hose configuration, making it convenient to pull out the culture plate 2 at any time to observe the growth of stevia. The planting grooves 14 are used for planting stevia.

[0029] In this embodiment, if Figure 1 、 Figure 4 and Figure 5 As shown, a water inlet pipe 15, which is interconnected with the first connecting pipe 6, is fixedly connected to the top of the culture plate 2. A drain pipe 16, which is interconnected with the first connecting pipe 6, is fixedly connected to the side wall of the nutrient solution tank 3. The culture plate 2 and the nutrient solution tank 3 are connected to each other by screws 17. Screw holes 18 that threadably mate with the screws 17 are defined at the four corners of the top of the nutrient solution tank 3. Mounting holes 19 corresponding to the screw holes 18 are defined at the top of the culture plate 2. The arrangement of the screws 17, screw holes 18, and mounting holes 19 facilitates assembly and disassembly, thereby facilitating cleaning of the nutrient solution tank 3.

[0030] In this embodiment, if Figures 1-6 As shown, the working process of a stevia culture rack provided in this embodiment is as follows:

[0031] Step 1: Put the nutrient solution into the rehydration tank 4 in advance. When the nutrient solution needs to be added, start the pump 5;

[0032] Step 2: The pump 5 pumps the nutrient solution in the replenishment tank 4 into the topmost nutrient solution tank 3 through the pipeline. When the topmost nutrient solution tank 3 is full of nutrient solution, it will overflow and enter the next nutrient solution tank 3 through the first connecting pipe 6, until it finally enters the replenishment tank 4 through the second connecting pipe 8. Then, the pump 5 can be turned off.

[0033] Step 3: When light is needed, directly turn on the fluorescent lights 7 on each floor.

[0034] The above is only a further embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes based on the technical solution and concept of the present invention within the scope disclosed by the present invention, which falls within the protection scope of the present invention.

Claims

1. A stevia culture rack, comprising a rack body (1), and a plurality of culture plates (2) mounted on the inner side of the rack body (1) and evenly distributed above and below, wherein the bottom of the culture plates (2) is fixedly connected to a nutrient solution tank (3), characterized in that: Fluorescent lamps (7) are installed on the top of the frame (1) and the bottom of the nutrient solution tank (3); a fluid replenishment tank (4) is installed on the bottom of the frame (1); a pump (5) is connected to one side of the fluid replenishment tank (4); an output end of the pump (5) is connected to the nutrient solution tank (3) located on the uppermost layer through a pipeline; a first connecting pipe (6) is connected between two adjacent nutrient solution tanks (3); and a second connecting pipe (8) located on the inner side of the fluid replenishment tank (4) is connected to the nutrient solution tank (3) located on the lowermost layer.

2. The stevia cultivation rack according to claim 1, wherein: The frame (1) comprises a top plate (9) and four pillars (10) fixedly connected to the bottom of the top plate (9).

3. The stevia cultivation rack according to claim 2, characterized in that: The inner side of the frame (1) is provided with a mounting groove (11) connected to the support (10) and slidably connected to the culture plate (2).

4. The stevia cultivation rack according to claim 1, wherein: A connecting pipe (12) is fixedly connected to one side of the frame (1) close to the pump (5), the bottom of the connecting pipe (12) is connected to the output end of the pump (5), and the top of the connecting pipe (12) is connected to a third connecting pipe (13).

5. The stevia cultivation rack according to claim 4, characterized in that: The first connecting pipe (6), the second connecting pipe (8) and the third connecting pipe (13) are all hoses.

6. The stevia cultivation rack according to claim 1, characterized in that: Planting grooves (14) are evenly arranged on the top of the culture plate (2).

7. The stevia culture rack according to claim 1, wherein: A water inlet pipe (15) interconnected with the first connecting pipe (6) is fixedly connected to the top of the culture plate (2), and a drainage pipe (16) interconnected with the first connecting pipe (6) is fixedly connected to the side wall of the nutrient solution tank (3).

8. The stevia cultivation rack according to claim 1, characterized in that: The culture plate (2) and the nutrient solution tank (3) are connected to each other via screws (17).

9. The stevia cultivation rack according to claim 8, characterized in that: The four corners of the top of the nutrient solution tank (3) are each provided with screw holes (18) that are threadably matched with the screws (17).

10. The stevia cultivation rack according to claim 9, characterized in that: The top of the culture plate (2) is provided with a mounting hole (19) corresponding to the screw hole (18).

Citation Information

Patent Citations

  • Stevia rebaudiana planting incubator

    CN214677001U