A seedling raising device for greenhouse planting
By combining a servo motor with an electromagnetic slider and an ion-selective electrode probe, flexible irrigation of the greenhouse seedling cultivation device is achieved, solving the problem of poor flexibility of the irrigation nozzle and improving the practicality and resource utilization efficiency of the device.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- LUOYANG FENGZHIYUAN AGRI SCI & TECH CO LTD
- Filing Date
- 2025-07-01
- Publication Date
- 2026-07-07
AI Technical Summary
The irrigation nozzles of existing greenhouse seedling cultivation devices have poor flexibility and cannot provide personalized irrigation according to the different growth stages of seedlings, resulting in waste of nutrients and water resources.
By using a servo motor and an electromagnetic slider in conjunction with an ion-selective electrode probe, the irrigation mechanism can move flexibly and provide precise irrigation. The ion-selective electrode probe can detect the soil and provide personalized irrigation based on the different growth stages of the seedlings.
This improves the practicality of the seedling raising device, avoids the impact of large-scale simultaneous irrigation on the normal growth of seedlings, reduces the waste of nutrient solution and water resources, and facilitates the rapid transplanting of seedlings.
Smart Images

Figure CN224460731U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of seedling cultivation technology, and in particular to a seedling cultivation device for greenhouse cultivation. Background Technology
[0002] Greenhouse cultivation is a method of growing crops in an indoor environment. It provides an effective solution for agricultural production. The principle of greenhouse cultivation is to lock in the heat of sunlight, raise the temperature inside the greenhouse, and meet the growth needs of crops. Greenhouse cultivation also adopts water-saving and energy-saving principles, reducing water waste through water circulation systems and solar panels, and increasing crop yields by realizing soilless cultivation and vertical planting. In addition, greenhouse cultivation can avoid the excessive use of pesticides and fertilizers, reducing environmental pollution.
[0003] In the existing technology, when carrying out greenhouse cultivation, seeds need to be raised into seedlings. When watering seedling devices, most of the watering nozzles are fixed, which has poor flexibility. Moreover, all watering nozzles water at the same time, but the growth status of each seedling may be different, and the amount of water required is also different. Simultaneous watering will affect the normal growth of seedlings and cause waste of nutrients and water resources. Therefore, in order to solve the above problems, this utility model proposes a seedling raising device for greenhouse cultivation. Utility Model Content
[0004] To address the shortcomings of existing technologies, this utility model provides a seedling raising device for greenhouse cultivation. By combining a servo motor with an electromagnetic slider, the flexibility of the irrigation mechanism is improved. The soil is detected using an ion-selective electrode probe, enabling the irrigation mechanism to provide different amounts of water to seedlings at different growth stages. This enhances the practicality of the device, avoids simultaneous irrigation from affecting the normal growth of seedlings, and reduces waste of nutrient solution and water.
[0005] This utility model provides the following technical solution: a seedling raising device for greenhouse cultivation, comprising a base, with four fixing plates evenly fixedly installed on the upper part of the base. A servo motor is fixedly installed on the front of the left fixing plate, and a threaded rod is fixedly connected to the output shaft of the servo motor via a coupling. The threaded rod is movably sleeved with the two left fixing plates. A sliding rod is fixedly sleeved between the two right fixing plates, and sliders are movably sleeved on the threaded rod and the sliding rod, respectively. A track is fixedly installed between the two sliders, and magnets with opposite magnetic poles are sequentially laid in the track. An electromagnetic slider is connected to the device, and an electric actuator is fixedly installed at the bottom of the electromagnetic slider. An ion-selective electrode probe is fixedly installed at the telescopic end of the electric actuator. A connecting block is fixedly installed at the bottom of the electromagnetic slider and to the right of the electric actuator. A watering valve is fixedly installed at the bottom of the connecting block, and a watering port is opened at the bottom of the watering valve. The flexibility of the watering mechanism is improved by a moving mechanism. The ion-selective electrode probe is used to detect the soil, so that the watering mechanism can water seedlings at different growth stages with different amounts of water, improve the practicality of the device, avoid simultaneous watering affecting the normal growth of seedlings, and reduce the waste of nutrient solution and water.
[0006] Preferably, a storage box is fixedly installed on the right side of the base, a pump is fixedly installed on the upper part of the storage box, a transmission pipe is fixedly installed on the upper part of the pump, and the end of the transmission pipe away from the pump is fixedly connected to the irrigation valve. The irrigation valve is moved above the seedling, the pump is turned on to transmit the nutrient solution in the storage box to the irrigation valve through the transmission pipe, and the irrigation valve is opened to allow the nutrient solution to irrigate the seedling from the irrigation port.
[0007] Preferably, the upper part of the base and the four fixed plates are evenly provided with grooves, and a culture tube fits in the groove. Nutrient soil is put into the culture tube, and then the seedling is planted in it. After the seedling is grown, the entire culture tube can be removed from the groove on the base by using the handle. Compared with planting seeds in plastic film bags for seedling cultivation, this avoids the problem of discarding waste seedling bags and affecting the environment.
[0008] Preferably, the cultivation tube includes a first tube wall, on the right side of which fixed posts are uniformly fixedly installed, and a second tube wall is provided on the right side of the first tube wall. The left side of the second tube wall has uniformly opened slots that fit with the fixed posts. Handrails are fixedly installed on the upper parts of the first and second tube walls respectively. The fit between the fixed posts and the slots separates the first and second tube walls, making it convenient to take out the cultivated seedlings and facilitating the rapid transplanting of the seedlings.
[0009] Compared with the prior art, the present invention has the following beneficial effects:
[0010] 1. By using a servo motor in conjunction with an electromagnetic slider to move the irrigation device, the flexibility of the irrigation mechanism is greatly improved. The soil is detected by an ion-selective electrode probe, and then the irrigation valve is moved above the seedling. The pump is turned on to transfer the nutrient solution in the storage tank to the irrigation valve through the transmission pipe. The irrigation valve is opened to allow the nutrient solution to be poured onto the seedling from the irrigation port. Different amounts of water are poured onto seedlings at different growth stages, which improves the practicality of the device and avoids large-scale simultaneous irrigation, which would affect the normal growth of the seedlings. At the same time, it reduces the waste of nutrient solution and water.
[0011] 2. By placing nutrient soil into the culture tube and then planting the seedlings in it, the entire culture tube can be removed from the groove on the base by using the handle. The tube wall 1 and tube wall 2 can be separated by the fit between the fixing post and the groove, making it easy to take out the cultivated seedlings. This is conducive to the rapid transplanting of seedlings. Compared with planting seeds in plastic film bags for seedling cultivation, it eliminates the need to tear open the seedling bag before transplanting and avoids the environmental impact of discarding waste seedling bags. Attached Figure Description
[0012] Figure 1 This is a schematic diagram of the external structure of this utility model;
[0013] Figure 2 This is a schematic diagram of the cross-sectional structure of the base of this utility model;
[0014] Figure 3 This is a schematic diagram of the culture tube structure of this utility model.
[0015] In the diagram: 1. Base; 2. Fixing plate; 3. Servo motor; 4. Threaded rod; 5. Slide rod; 6. Slider; 7. Track; 8. Electromagnetic slider; 9. Electric actuator; 10. Ion selective electrode probe; 11. Connecting block; 12. Irrigation valve; 13. Irrigation port; 14. Storage box; 15. Pump; 16. Transfer pipe; 17. Groove; 18. Culture cylinder; 181. Cylinder wall one; 182. Fixing column; 183. Cylinder wall two; 184. Slot; 185. Handrail. Detailed Implementation
[0016] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0017] Please see Figures 1-3A seedling raising device for greenhouse cultivation includes a base 1. Four fixing plates 2 are evenly fixedly installed on the upper part of the base 1. A servo motor 3 is fixedly installed at the front of the left fixing plate 2. A threaded rod 4 is fixedly connected to the output shaft of the servo motor 3 via a coupling. The threaded rod 4 is movably sleeved with the two left fixing plates 2. A sliding rod 5 is fixedly sleeved between the two right fixing plates 2. Sliding blocks 6 are movably sleeved on the threaded rod 4 and the sliding rod 5, respectively. A track 7 is fixedly installed between the two sliding blocks 6. Magnets with opposite magnetic poles are sequentially laid in the track 7. An electromagnetic slider 8 is movably connected to the track 7. An electric push rod 9 is fixedly installed at the bottom of the electromagnetic slider 8. The telescopic end of the electric push rod 9 is fixedly installed with... An ion-selective electrode probe 10 is provided. A connecting block 11 is fixedly installed at the bottom of the electromagnetic slider 8 and to the right of the electric push rod 9. An irrigation valve 12 is fixedly installed at the bottom of the connecting block 11, and an irrigation port 13 is opened at the bottom of the irrigation valve 12. A storage box 14 is fixedly installed on the right side of the base 1. A pump 15 is fixedly installed on the upper part of the storage box 14. A transmission pipe 16 is fixedly installed on the upper part of the pump 15. The end of the transmission pipe 16 away from the pump 15 is fixedly connected to the irrigation valve 12. During the seedling process, the servo motor 3 is turned on to drive the threaded rod 4 to rotate, so that the slider 6 slides. With the help of the sliding rod 5, the track 7 can move back and forth. When the electromagnetic slider 8 is energized, the track 7 is laid with magnets of opposite magnetic poles. When iron is energized, the electromagnetic slider 8 generates a repulsive magnetic force against the magnets on the track 7, thus propelling the electromagnetic slider 8 to move. When the electromagnetic slider 8 moves to the next opposite magnetic pole of the track 7, the current to the electromagnetic slider 8 is reversed, maintaining the repulsive magnetic force between the electromagnetic slider 8 and the track 7, thus enabling the continuous movement of the electromagnetic slider 8. When the electromagnetic slider 8 needs to stop, the direction of the current on the electromagnetic slider 8 is not changed, causing it to attract the magnets laid on the track 7, thereby fixing the electromagnetic slider 8. The sliding of the electromagnetic slider 8 on the track 7 drives the electric push rod 9 below to move above the seedling, activating the electric push rod 9 to lower the ion-selective electrode probe 10, causing... The ion-selective electrode probe 10 is inserted into the soil and has a selective response to specific ions. The ion concentration is detected by the change in membrane potential, thereby quickly detecting nutrients such as nitrogen, phosphorus, and potassium in the soil. Then, the irrigation valve 12 is moved above the seedlings, and the pump 15 is turned on to transfer the nutrient solution in the storage tank 14 to the irrigation valve 12 through the transmission pipe 16. The irrigation valve 12 is turned on so that the nutrient solution can be used to irrigate the seedlings from the irrigation port 13. This allows the irrigation mechanism to move flexibly and irrigate seedlings at different growth stages with different amounts of water, which improves the practicality of the device and avoids large-scale simultaneous irrigation, which would affect the normal growth of the seedlings. It also reduces the waste of nutrient solution and water.
[0018] The base 1 has grooves 17 evenly spaced on its upper part, between the four fixing plates 2. Culture cylinders 18 fit within these grooves 17. Each culture cylinder 18 includes a first cylinder wall 181. Fixing posts 182 are evenly fixedly installed on the right side of the first cylinder wall 181. A second cylinder wall 183 is located to the right of the first cylinder wall 181. Slots 184 are evenly spaced on the left side of the second cylinder wall 183, fitting into the fixing posts 182. Handrails 185 are fixedly installed on the upper parts of both the first cylinder wall 181 and the second cylinder wall 183, extending towards the culture cylinder. Nutrient soil is placed in the 18, and then the seedlings are planted in it. After the seedlings are cultivated, the entire cultivation cylinder 18 can be removed from the groove 17 on the base 1 by using the handle 185. The cylinder wall 181 and cylinder wall 183 are separated by the fit between the fixing post 182 and the slot 184, which makes it easy to take out the cultivated seedlings and facilitates the rapid transplanting of seedlings. Compared with planting seeds in plastic film bags for seedling cultivation, it eliminates the need to tear open the seedling bags before transplanting and avoids the environmental impact of discarding waste seedling bags.
[0019] Working principle: Nutrient soil is placed in the cultivation cylinder 18, and seedlings are planted in it. During the seedling process, the servo motor 3 is activated to drive the threaded rod 4 to rotate, causing the slider 6 to slide. This, combined with the sliding rod 5, allows the track 7 to move back and forth. When the electromagnetic slider 8 is energized, magnets with opposite poles are sequentially laid in the track 7. Energizing the electromagnetic slider 8 generates a repulsive magnetic force against the magnets in the track 7, thus propelling it forward. When the electromagnetic slider 8 moves to the next track with the opposite magnetic pole, the current to the electromagnetic slider 8 is reversed, maintaining a repulsive magnetic force between the electromagnetic slider 8 and the track 7, allowing the electromagnetic slider 8 to move continuously. When the electromagnetic slider 8 needs to stop, the direction of the current on it is not changed, causing it to attract the magnets laid in the track 7, thus fixing the electromagnetic slider 8 in place. Sliding on track 7 moves the electric actuator 9 below to above the seedling. The electric actuator 9 is activated, causing the ion-selective electrode probe 10 to descend and insert into the soil. The probe selectively responds to specific ions and detects the ion concentration by measuring the membrane potential change. This allows for rapid detection of nutrients such as nitrogen, phosphorus, and potassium in the soil. Then, the irrigation valve 12 is moved above the seedling, and the pump 15 is activated to transfer the nutrient solution in the storage tank 14 to the irrigation valve 12 through the transmission pipe 16. The irrigation valve 12 is then activated to irrigate the seedling with the nutrient solution from the irrigation port 13. After the seedlings are cultivated, the entire cultivation cylinder 18 can be removed from the groove 17 on the base 1 using the handle 185. The cylinder wall 181 and cylinder wall 183 are separated by the engagement of the fixing post 182 and the slot 184, making it easy to remove the cultivated seedlings.
Claims
1. A seedling raising device for greenhouse cultivation, comprising a base (1), characterized in that: The base (1) is uniformly fixed with four fixing plates (2). A servo motor (3) is fixedly installed at the front of the left fixing plate (2). A threaded rod (4) is fixedly connected to the output shaft of the servo motor (3) through a coupling. The threaded rod (4) is movably sleeved with the two left fixing plates (2). A sliding rod (5) is fixedly sleeved between the two right fixing plates (2). A slider (6) is movably sleeved on the threaded rod (4) and the sliding rod (5). The two sliders (6) are fixedly installed between each other. The track (7) is equipped with magnets of opposite magnetic poles laid in sequence. An electromagnetic slider (8) is movably connected to the track (7). An electric push rod (9) is fixedly installed at the bottom of the electromagnetic slider (8). An ion-selective electrode probe (10) is fixedly installed at the telescopic end of the electric push rod (9). A connecting block (11) is fixedly installed at the bottom of the electromagnetic slider (8) and to the right of the electric push rod (9). A pouring valve (12) is fixedly installed at the bottom of the connecting block (11). A pouring port (13) is opened at the bottom of the pouring valve (12).
2. The seedling raising device for greenhouse cultivation according to claim 1, characterized in that: A storage box (14) is fixedly installed on the right side of the base (1), a pump (15) is fixedly installed on the upper part of the storage box (14), a transmission pipe (16) is fixedly installed on the upper part of the pump (15), and the end of the transmission pipe (16) away from the pump (15) is fixedly connected to the irrigation valve (12).
3. The seedling raising device for greenhouse cultivation according to claim 1, characterized in that: The base (1) has grooves (17) evenly spaced on its upper part and between the four fixing plates (2), and a culture tube (18) fits into the groove (17).
4. The seedling raising device for greenhouse cultivation according to claim 3, characterized in that: The culture tube (18) includes a first tube wall (181), a fixing column (182) is uniformly fixedly installed on the right side of the first tube wall (181), a second tube wall (183) is provided on the right side of the first tube wall (181), and slots (184) are uniformly opened on the left side of the second tube wall (183). The slots (184) fit with the fixing column (182), and handrails (185) are fixedly installed on the upper parts of the first tube wall (181) and the second tube wall (183).