Precise circulating nutrient solution supply system for plant factory
By designing a precise circulating supply system for nutrient solutions in plant factories, the problem of filtering and collecting impurities in the nutrient solution is solved by using a filter screen and a collection tank, thus achieving efficient utilization of the nutrient solution and optimization of plant growth.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-28
- Publication Date
- 2026-03-27
AI Technical Summary
In existing technologies, impurities in the nutrient solution are difficult to filter and collect during hydroponic plant cultivation, which affects the plant's absorption of the nutrient solution.
A precise circulating supply system for nutrient solution in a plant factory was designed, including a hydroponic box, hydroponic cups, connecting pipes, a water pump, a filter screen, and a collection tank. Impurities are intercepted by the filter screen and collected in the collection tank, and a sliding plate and a pull rod facilitate the cleaning of impurities.
This method effectively filters and collects impurities in the nutrient solution, ensuring the plant's absorption of the nutrient solution and improving its utilization rate.
Smart Images

Figure CN224038112U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to plant factory technical field, concretely is plant factory nutrient solution precision circulation supply system. BACKGROUND
[0002] The basic principle of plant hydroponics is to immerse the root system of the plant directly in a nutrient solution to supply the plant with the required water and nutrients, and the plant roots can more conveniently absorb and utilize the nutrients in the water, thereby promoting the growth and development of the plant, compared with traditional soil planting cultivation, plant hydroponics can improve the growth rate of vegetables and herbaceous plants, while polluting small, nutrient utilization rate is high, can significantly improve the economic benefit of plant cultivation.
[0003] When the plant is hydroponically cultured, a precision circulation supply system is usually used to deliver the nutrient solution, and after a period of supply, the content of the nutrient solution is easy to fall into more and more impurities, affecting the absorption of the plant to the nutrient solution, and the existing technology is not convenient for filtering and collecting the impurities, therefore, the plant factory nutrient solution precision circulation supply system is developed. UTILITY MODEL CONTENT
[0004] The utility model discloses a plant factory nutrient solution precision circulation supply system, which is convenient for filtering the impurities in the nutrient solution, collecting the filtered impurities and cleaning the collected impurities, and ensures the absorption of the plant to the nutrient solution, to solve the problems in the above background technology.
[0005] To achieve the above object, the utility model provides the following technical scheme:
[0006] Plant factory nutrient solution precision circulation supply system, including the hydroponic box and the hydroponic cup, a plurality of hydroponic boxes are set from top to bottom interval spacing, and the first connecting pipe is fixedly connected between two adjacent hydroponic boxes, the second connecting pipe is fixedly connected between the uppermost side and the lowermost side two hydroponic boxes, the water pump is fixedly arranged in the lower side of the second connecting pipe, a plurality of through holes are evenly arranged in the upper end of the hydroponic box, the hydroponic cup is arranged in the through hole, a plurality of liquid inlet holes for supplying nutrient solution are evenly arranged on the side wall of the hydroponic cup, the side of the hydroponic box is equipped with strip hole, the sliding plate is slidably arranged in the strip hole, and the filter unit is arranged on the sliding plate.
[0007] As a further scheme of the utility model, the filter unit includes a filter screen, the sliding plate is provided with a filter hole at the first connecting pipe interface, and the filter screen is arranged inside the filter hole.
[0008] As a further scheme of the utility model, the filter screen is arranged at the side away from the hydroponic cup in the filter hole.
[0009] As a further scheme of the utility model, the lower side of the filter hole is equipped with a collecting groove for collecting the filtered impurities.
[0010] As a further scheme of the utility model, the upper end of the sliding plate is fixedly equipped with a pull rod for facilitating the removal of the sliding plate.
[0011] As a further scheme of the utility model, the liquid inlet hole is in a strip shape, which can improve the liquid inlet efficiency.
[0012] As a further scheme of the utility model, the filter screen is a stainless steel mesh, which improves the rust prevention effect.
[0013] Compared with the prior art, the utility model has the beneficial effects that:
[0014] The plant factory nutrient solution precise circulation supply system, through the water pump, the second connecting pipe, the first connecting pipe, the sliding plate, the water culture box, the water culture cup, the liquid inlet hole, the filter screen, the collecting groove, the filter hole and the pull rod, sufficient nutrient solution is poured into the water culture boxes through the through holes, then the water pump is started, the water pump pumps the nutrient solution in the bottommost water culture box into the uppermost water culture box through the second connecting pipe, then the nutrient solution is circulated and supplied from high to low through the first connecting pipe, the impurities in the nutrient solution enter the filter hole and are intercepted by the filter screen, the nutrient solution passes through the filter screen, the intercepted impurities fall into the collecting groove, when sufficient impurities are collected, the pull rod is pulled to drive the sliding plate to leave the water culture box, the impurities in the collecting groove can be cleaned, the impurities in the nutrient solution can be filtered, the filtered impurities can be collected, the collected impurities can be cleaned, and the absorption of the nutrient solution by plants is ensured. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 It is a structural schematic view of the plant factory nutrient solution precise circulation supply system.
[0016] Figure 2 It is an internal structural schematic view of the plant factory nutrient solution precise circulation supply system.
[0017] Figure 3 It is Figure 2 It is an enlarged schematic view of the local part A.
[0018] In the figure: 1, water pump; 2, second connecting pipe; 3, first connecting pipe; 4, sliding plate; 5, water culture box; 6, water culture cup; 7, liquid inlet hole; 8, filter screen; 9, collecting groove; 10, filter hole; 11, pull rod. DETAILED DESCRIPTION
[0019] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be described clearly and completely. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.
[0020] Please refer to Figures 1 to 3 The present application provides a technical solution:
[0021] The plant factory nutrient solution precise circulation supply system comprises a water culture box 5 and a water culture cup 6, a plurality of water culture boxes 5 are arranged at equal intervals from top to bottom, first connecting pipes 3 are fixedly connected between adjacent two water culture boxes 5, second connecting pipes 2 are fixedly connected between the uppermost and lowermost two water culture boxes 5, a water pump 1 is fixedly arranged at the lower side of the second connecting pipe 2, a plurality of through holes are uniformly arranged at the upper end of the water culture box 5, the water culture cup 6 is arranged in the through hole, a plurality of liquid inlet holes 7 for supplying nutrient solution are uniformly arranged on the side wall of the water culture cup 6, a strip-shaped hole is arranged on one side of the water culture box 5, a sliding plate 4 is slidingly arranged in the strip-shaped hole, and a filter unit is arranged on the sliding plate 4.
[0022] The filter unit comprises a filter screen 8, the sliding plate 4 is provided with a filter hole 10 at the interface of the first connecting pipe 3, and the filter screen 8 is arranged inside the filter hole 10.
[0023] Referring to Figure 3 The filter screen 8 is arranged at the side, away from the water culture cup 6, of the filter hole 10.
[0024] A collecting groove 9 is arranged at the lower side of the filter hole 10, and is used for collecting the filtered impurities.
[0025] Referring to Figure 3 A pull rod 11 is fixedly arranged at the upper end of the sliding plate 4, and is used for facilitating the taking out of the sliding plate 4.
[0026] Referring to Figure 1 The liquid inlet hole 7 is arranged in a strip shape, and the liquid inlet efficiency can be improved.
[0027] The filter screen 8 is arranged in a stainless steel mesh, and the rust prevention effect is improved.
[0028] In use, first, through the through hole to the plurality of water culture box 5 pour in enough nutrient solution, then start water pump 1, water pump 1 will the bottom water culture box 5 in the nutrient solution through the second connecting pipe 2 into the uppermost water culture box 5, then from high to low through the first connecting pipe 3 circulation feed nutrient solution, the impurities in the nutrient solution into the filter hole 10 after, by filter screen 8 intercept, nutrient solution through filter screen 8, the impurities intercepted fall into the collection tank 9, when collecting enough impurities, pull the pull rod 11, pull rod 11 drive slide 4 away from water culture box 5, can the impurities in the collection tank 9 carry out cleaning, filter screen 8 is set to stainless steel mesh, improve the rustproof effect, the upper end of slide 4 is fixedly provided with pull rod 11, for facilitating the slide 4, convenient to the impurities in the nutrient solution carry out filtration, convenient to the filtered impurities carry out collection, also can conveniently the collected impurities carry out cleaning, ensure the plant to the absorption of nutrient solution.
[0029] Although the embodiments of the present application have been shown and described, it is to be understood that for the purpose of the present application, the embodiments can be substantially changed without departing from the spirit and the scope of the present application, the scope of the present application is defined by the appended claims and their equivalents.
Claims
1. A precision circulation feeding system for plant factory nutrient solution, comprising a hydroponic box (5) and a hydroponic cup (6), a plurality of said hydroponic boxes (5) are arranged at equal intervals from top to bottom, characterized in that: Two adjacent hydroponic boxes (5) are fixedly connected with a first connecting pipe (3), and the uppermost and lowermost two hydroponic boxes (5) are fixedly connected with a second connecting pipe (2), the lower side of the second connecting pipe (2) is fixedly provided with a water pump (1), the upper end of the hydroponic box (5) is uniformly provided with a plurality of through holes, the hydroponic cup (6) is arranged in the through hole, the side wall of the hydroponic cup (6) is uniformly provided with a plurality of liquid inlet holes (7) for supplying nutrient solution, one side of the hydroponic box (5) is provided with a strip-shaped hole, the strip-shaped hole is slidably provided with a sliding plate (4), and the sliding plate (4) is provided with a filter unit.
2. The plant factory nutrient solution precision circulation feeding system according to claim 1, characterized in that: The filter unit comprises a filter screen (8), and the sliding plate (4) is provided with a filter hole (10) at the interface of the first connecting pipe (3).
3. The plant factory nutrient solution precision circulation feeding system according to claim 2, characterized in that: The filter screen (8) is arranged inside the filter hole (10).
4. The plant factory nutrient solution precision circulation feeding system according to claim 3, characterized in that: The lower side of the filter hole (10) is provided with a collecting groove (9) for collecting the filtered impurities.
5. The plant factory nutrient solution precision circulation feeding system according to claim 4, characterized in that: The upper end of the sliding plate (4) is fixedly provided with a pull rod (11) for facilitating the removal of the sliding plate (4).
6. The plant factory nutrient solution precision circulation feeding system according to claim 5, characterized in that: The liquid inlet hole (7) is arranged in a long strip shape, which can improve the liquid inlet efficiency.
7. The plant factory nutrient solution precision circulation feeding system according to claim 6, characterized in that: The filter screen (8) is arranged as a stainless steel mesh, which improves the rust prevention effect.