Soilless culture plant nutrient solution circulating device

Abstract

The soilless culture plant nutrient solution circulating device comprises a planting pipe, a connecting pipe, a nutrient solution storage box, a first water pump, a second water pump, a liquid outlet pipe, a circulating pipe and a position adjusting mechanism, and the position adjusting mechanism comprises a corrugated pipe, an embedded pipe, an electric sliding table, a hydraulic rod, a lifting plate, a rotating motor, an inserting rod, a limiting rod, a first electric push rod and a stress plate. A nutrient solution can circularly flow between a connecting pipe and a planting pipe to provide maximum nutrition for plants, a first electric push rod can drive an embedded pipe to be pulled out of the connecting pipe to achieve separation of the planting pipe, and before separation, an insertion rod on an output shaft of a rotating motor can stretch into the planting pipe and is limited through a limiting rod, and then the planting pipe is inserted into the planting pipe. Under the driving of the hydraulic rod, the planting pipe can be lifted along with the insertion rod, so that the planting pipe can be driven to other positions after being separated, the position replacement of the planting pipe is realized, and the planting pipes at different positions can receive sufficient illumination.

Description

Technical Field

[0001] The invention relates to the technical field of planting, and in particular to a soilless plant nutrient solution circulation device. Background Art

[0002] With the growth of global population and the acceleration of urbanization, traditional agriculture faces a series of challenges such as limited land resources, water shortage, and environmental pollution. Soilless cultivation, as a modern planting technology, has been widely used around the world. Soilless cultivation refers to the use of nutrient solution instead of traditional soil to provide plants with necessary nutrients. This method can not only increase the yield per unit area, but also effectively reduce the use of pesticides and fertilizers. It has the advantages of high efficiency, environmental protection, and easy control, and has positive significance for environmental protection.

[0003] Current soilless cultivation devices generally plant plants on pipes, and then transport nutrient solution in the pipes. The nutrient solution supplies the plant roots to achieve soilless cultivation. The frames used to plant plants are divided into three-dimensional and flat types. Although the three-dimensional type can save space, the high-rise plants will block the light of the lower-rise plants. Although the flat planting method occupies a larger space, the impact between plants is small. However, in the daily planting process, it is found that due to different placement positions, plants in different positions receive different light, resulting in different growth conditions of the plants. The nutrient solution will pass through all plants when circulating, resulting in some plants not being able to absorb sufficient nutrients for growth. Summary of the invention

[0004] In view of this, the present invention proposes a soilless plant nutrient solution circulation device, which can change the position of the planting tube so that the plant can receive sufficient light to grow normally.

[0005] The technical solution of the present invention is achieved in this way:

[0006] A soilless plant nutrient solution circulation device comprises a planting tube, a connecting tube, a nutrient solution storage box, a first water pump, a second water pump, a liquid outlet pipe, a circulation pipe and a position adjustment mechanism, wherein the connecting tubes are arranged opposite to each other, the planting tube is arranged in parallel between the connecting tubes, and a plurality of planting ports are arranged on the upper surface thereof, the first water pump and the second water pump are arranged on both sides of the nutrient solution storage box, the liquid outlet pipe connects the first water pump and the connecting tube on one side, and the circulation pipe connects the second water pump and the connecting tube on the other side; the position adjustment mechanism comprises a bellows, an embedded tube, an electric slide, a hydraulic rod, a lifting plate, a rotating motor, an insertion rod, a limit rod, a first electric push rod and a force plate, the bellows are arranged at both ends of the planting tube, the connecting tube A mounting hole is provided on the side wall of the connecting pipe, one end of the embedded tube is connected to the corrugated tube, and the other end extends into the mounting hole, the electric slide is arranged on the top surface of the connecting tube, the hydraulic rod is arranged on the top surface of the electric slide mover, and its output shaft is connected to the bottom surface of the lifting plate, and one side of the lifting plate extends above the planting tube, the rotating motor is arranged on the bottom surface of the lifting plate, and its output shaft is connected to the top end of the insertion rod, the limiting rod is symmetrically arranged on the outer side wall of the insertion rod, circular grooves are provided on the top surfaces of both ends of the planting tube, and strip grooves are symmetrically arranged on both sides of the circular groove, and the strip grooves are located on the descending path of the limiting rod, the force plate is arranged on the bottom surface of the embedded tube, and the first electric push rod is arranged on the bottom surface of the planting tube, and its output shaft is connected to the side wall of the force plate.

[0007] Preferably, it also includes a rubber sealing ring, which is arranged on the outer wall of the embedded tube.

[0008] Preferably, the position adjustment mechanism further comprises a support plate, one side of the support plate is connected to the side wall of the force-bearing plate, and the other side of the support plate extends below the planting tube, and the bottom surface of the corrugated tube is in contact with the top surface of the support plate.

[0009] Preferably, a T-shaped slider is provided on the top surface of the support plate, a T-shaped slide groove is provided on the bottom surface of the planting tube, and the T-shaped slider is located in the T-shaped slide groove.

[0010] Preferably, it also includes a light sensor, a side panel and a host computer, wherein the side panel is arranged on the side wall of the connecting pipe away from each other and located on one side of the planting pipe, the light sensor is arranged on the side panel, and the host computer is electrically connected to the first water pump, the second water pump, the electric slide, the hydraulic rod, the rotating motor, the first electric push rod and the light sensor respectively.

[0011] Preferably, the position adjustment mechanism further comprises an arc-shaped placement rack, which is arranged on one side of the outermost planting tube, and the height of the top surface of the arc-shaped placement rack is lower than the height of the bottom surface of the planting tube.

[0012] Preferably, the position adjustment mechanism further includes an electric turntable and a rotating plate, the bottom surface of the rotating plate is connected to the rotating surface of the electric turntable, the arc-shaped placement frame is arranged on the rotating plate, and the host computer is electrically connected to the electric turntable.

[0013] Preferably, a replenishing pipe is provided on the top surface of the nutrient solution storage box, and a discharge pipe is provided on the side wall thereof, and valves are provided on both the replenishing pipe and the discharge pipe.

[0014] Preferably, it further comprises a filter, wherein the filter is arranged on the circulation pipe.

[0015] Preferably, the position adjustment mechanism also includes a lighting lamp, a lampshade and a second electric push rod, the lampshade is arranged on the bottom surface of the lifting plate, the second electric push rod is arranged inside the lampshade, and its output shaft is connected to the lighting lamp, the light sensor is located below the moving path of the lighting lamp, and the host computer is electrically connected to the lighting lamp and the second electric push rod respectively.

[0016] Compared with the prior art, the present invention has the following beneficial effects:

[0017] ① The nutrient solution in the nutrient solution storage tank can flow into the connecting pipe on one side through the liquid outlet pipe under the drive of the first water pump, and then enter into different planting pipes to provide nutrition for the plants planted at the planting ports. After the nutrient solution flows through the plant roots, it will flow into the circulation pipe from another connecting pipe and enter the nutrient solution storage tank through the second water pump, thus realizing the recycling of the nutrient solution and avoiding the waste of resources.

[0018] ② The two ends of the planting tube are connected to the embedded tube through a corrugated tube. The embedded tube can be inserted into the mounting hole of the connecting tube to achieve docking, and the first electric push rod can drive the embedded tube to be pulled out of the connecting tube through the force plate to achieve separation. The electric slide can drive the rotating motor under the lifting plate to move, so that the insertion rod moves to the top of the circular groove. After the limiting rod passes through the strip groove, the rotating motor drives the insertion rod to rotate to achieve limiting. Then the hydraulic rod can drive the separated planting tube to rise through the lifting plate and can change the position of the planting tube, thereby ensuring that plants in different positions get sufficient light and ensure the normal growth of plants. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only preferred embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0020] Figure 1 It is a schematic diagram of the top view of a soilless cultivation plant nutrient solution circulation device of the present invention;

[0021] Figure 2 It is a schematic diagram of the connection structure between the position adjustment mechanism and the planting tube of a soilless cultivation plant nutrient solution circulation device of the present invention;

[0022] Figure 3 It is a schematic diagram of the connection structure between a support plate and a planting tube of a soilless plant nutrient solution circulation device of the present invention;

[0023] Figure 4 It is a schematic diagram of the connection structure of the electric turntable and the rotating plate of a soilless cultivation plant nutrient solution circulation device of the present invention;

[0024] In the figure, 1, planting tube; 2, connecting tube; 3, nutrient solution storage box; 4, first water pump; 5, second water pump; 6, liquid outlet pipe; 7, circulation pipe; 8, planting port; 9, bellows; 10, embedded tube; 11, electric slide; 12, hydraulic rod; 13, lifting plate; 14, rotating motor; 15, insertion rod; 16, limit rod; 17, first electric push rod; 18, force plate; 19, mounting hole; 20, circular groove; 21, strip groove; 22, rubber sealing ring; 23, support plate; 24, T-type slider; 25, T-type slide; 26, light sensor; 27, side plate; 28, upper computer; 29, arc placement rack; 30, electric turntable; 31, rotating plate; 32, supplementary pipe; 33, discharge pipe; 34, valve; 35, filter; 36, lighting lamp; 37, lampshade; 38, second electric push rod. DETAILED DESCRIPTION

[0025] In order to better understand the technical content of the present invention, a specific embodiment is provided below, and the present invention is further described in conjunction with the accompanying drawings.

[0026] See also Figures 1 to 4The present invention provides a soilless plant nutrient solution circulation device, comprising a planting tube 1, a connecting tube 2, a nutrient solution storage tank 3, a first water pump 4, a second water pump 5, a liquid outlet pipe 6, a circulation pipe 7 and a position adjustment mechanism, wherein the connecting tubes 2 are arranged relatively to each other, the planting tube 1 is arranged in parallel between the connecting tubes 2, and a plurality of planting ports 8 are arranged on its upper surface, the first water pump 4 and the second water pump 5 are arranged on both sides of the nutrient solution storage tank 3, the liquid outlet pipe 6 connects the first water pump 4 with the connecting tube 2 on one side, and the circulation pipe 7 connects the second water pump 5 with the connecting tube 2 on the other side; the position adjustment mechanism comprises a bellows 9, an embedded tube 10, an electric slide 11, a hydraulic rod 12, a lifting plate 13, a rotating motor 14, an insertion rod 15, a limiting rod 16, a first electric push rod 17 and a force plate 18, the bellows 9 are arranged at both ends of the planting tube 1, the connecting tube 2 A mounting hole 19 is provided on the side wall of the tube 2, one end of the embedded tube 10 is connected to the corrugated tube 9, and the other end extends into the mounting hole 19, the electric slide 11 is provided on the top surface of the connecting tube 2, the hydraulic rod 12 is provided on the top surface of the mover of the electric slide 11, and its output shaft is connected to the bottom surface of the lifting plate 13, one side of the lifting plate 13 extends above the planting tube 1, the rotating motor 14 is provided on the bottom surface of the lifting plate 13, and its output shaft is connected to the top of the insertion rod 15, the limiting rod 16 is symmetrically provided on the outer side wall of the insertion rod 15, circular grooves 20 are provided on the top surfaces of both ends of the planting tube 1, and strip grooves 21 are symmetrically provided on both sides of the circular groove 20, and the strip grooves 21 are located on the descending path of the limiting rod 16, the force plate 18 is provided on the bottom surface of the embedded tube 10, and the first electric push rod 17 is provided on the bottom surface of the planting tube 1, and its output shaft is connected to the side wall of the force plate 18.

[0027] The connecting pipes 2 are arranged relatively parallel, and several planting pipes 1 are arranged between the connecting pipes 2. Both ends of the planting pipes 1 are connected to the embedded pipes 10 through the corrugated pipes 9, and the embedded pipes 10 are inserted into the mounting holes 19 on the side walls of the connecting pipes 2. The planting ports 8 arranged on the top surface of the planting pipes 1 can be used for planting plants, and the ends of the connecting pipes 2 on both sides are respectively connected to the liquid outlet pipe 6 and the circulation pipe 7. The nutrient solution in the nutrient solution storage tank 3 can be transported to the connecting pipe 2 on one side through the liquid outlet pipe 6 under the action of the first water pump 4. The nutrient solution in the connecting pipe 2 can be transported to different planting pipes 1 respectively to provide nutrition for the plants, and the nutrient solution after flowing through the plant roots can flow into the connecting pipe 2 on the other side and flow back to the circulation pipe 7. Under the action of the second water pump 5, the nutrient solution will return to the nutrient solution storage tank 3 to realize the recycling of the nutrient solution and avoid wasting resources.

[0028] During the process of plant planting, due to the difference in their positions, the plants on different planting tubes 1 receive different amounts of light. Therefore, the planting tubes 1 are arranged to be detachable and repositionable. The first electric push rod 17 at the bottom of the planting tube 1 can drive the embedded tube 10 to move toward the center of the planting tube 1 through the force plate 18, so that the corrugated tube 9 is compressed. Finally, the embedded tube 10 can be moved out of the mounting hole 19 to achieve separation from the connecting tube 2. Before separation, the electric slide 11 can drive the hydraulic rod 12 and the lifting plate 13 to move to the side of the planting tube 1 that needs to be separated. At this time, the rotating motor 14 is located above the end of the planting tube 1, and the hydraulic rod 12 drives the lifting plate 13 to move to the side of the planting tube 1 that needs to be separated. After the descending plate 13 descends, the insertion rod 15 and the limiting rod 16 pass through the circular groove 20 and the strip groove 21 respectively, and then the rotating motor 14 drives the insertion rod 15 to rotate, so that the limiting rod 16 leaves the bottom of the strip groove 21 and abuts against the inner top surface of the planting tube 1, and then drives the first electric push rod 17 to separate the planting tube 1 from the connecting tube 2. Under the action of the limiting rod 16, the planting tube 1 as a whole will be suspended in the air, and then the electric slide 11 can drive the planting tube 1 to move. By selecting different planting tubes 1 for separation, movement and re-docking, the position of the planting tube 1 can be changed so that the plants on different planting tubes 1 can receive sufficient sunlight.

[0029] Preferably, it further comprises a rubber sealing ring 22 , which is arranged on the outer wall of the embedding tube 10 .

[0030] When the embedded tube 10 is inserted into the mounting hole 19, the rubber sealing ring 22 will seal the mounting hole 19 to prevent the nutrient solution from overflowing from the gap of the mounting hole 19 during transportation and causing waste.

[0031] Preferably, the position adjustment mechanism also includes a support plate 23, one side of the support plate 23 is connected to the side wall of the force-bearing plate 18, and the other side extends to the bottom of the planting tube 1, the bottom surface of the corrugated tube 9 is in contact with the top surface of the support plate 23, the top surface of the support plate 23 is provided with a T-shaped slider 24, the bottom surface of the planting tube 1 is provided with a T-shaped groove 25, and the T-shaped slider 24 is located in the T-shaped groove 25.

[0032] Since there is a bellows 9 between the planting tube 1 and the embedded tube 10, and the material of the bellows 9 is relatively soft, in order to prevent the planting tube 1 from being deformed when following the rise and fall of the insertion rod 15, a support plate 23 is set at the bottom of the bellows 9 to support the bellows 9 and the planting tube 1. When the first electric push rod 17 drives the embedded tube 10 to move through the force plate 18, the support plate 23 will move at the same time, and the T-shaped slider 24 on the top thereof can move along the T-shaped slide groove 25 to avoid displacement during movement. At the same time, the T-shaped slide groove 25 can limit the T-shaped slider 24 to further prevent the bellows 9 from bending and deformation.

[0033] Preferably, it also includes a light sensor 26, a side plate 27 and a host computer 28, wherein the side plate 27 is arranged on the side walls of the connecting pipe 2 that are away from each other and are located on one side of the planting pipe 1, and the light sensor 26 is arranged on the side plate 27, and the host computer 28 is electrically connected to the first water pump 4, the second water pump 5, the electric slide 11, the hydraulic rod 12, the rotating motor 14, the first electric push rod 17 and the light sensor 26 respectively.

[0034] A side panel 27 is provided on the side wall of the connecting tube 2 on one side of the planting tube 1. A light sensor 26 is provided on the side panel 27, which can be used to detect the light condition at the location of the planting tube 1. The upper computer 28 can judge the growth condition of the plant according to the light intensity at different locations, thereby driving the electric slide 11 to adjust the position of the lifting plate 13, and driving the first electric push rod 17 to separate the corresponding planting tube 1 from the connecting tube 2.

[0035] Preferably, the position adjustment mechanism further comprises an arc-shaped placement frame 29 , which is arranged on one side of the outermost planting tube 1 , and the top surface height thereof is lower than the bottom surface height of the planting tube 1 .

[0036] When the position of the planting tube 1 needs to be replaced, the separated planting tube 1 can be placed on the arc-shaped placement rack 29 for temporary storage. After the position of another planting tube 1 is adjusted, the planting tube 1 on the arc-shaped placement rack 29 can be transferred to the corresponding position for installation.

[0037] Preferably, the position adjustment mechanism further includes an electric turntable 30 and a rotating plate 31 , the bottom surface of the rotating plate 31 is connected to the rotating surface of the electric turntable 30 , the arc-shaped placement frame 29 is arranged on the rotating plate 31 , and the host computer 28 is electrically connected to the electric turntable 30 .

[0038] During the planting process, there may be differences in the light received by the two sides of the same planting tube 1. Therefore, light sensors 26 are set on the outside of the connecting tubes 2 on both sides to detect the difference in light on the two sides of the same planting tube 1. When there is a difference, the planting tube 1 can be separated and transferred to the arc-shaped placement rack 29, and then the upper computer 28 controls the electric turntable 30 to rotate. The electric turntable 30 drives the arc-shaped placement rack 29 to rotate through the rotating plate 31. After the planting tube 1 is turned 180 degrees, the position of the plant can be changed to ensure that the plants on the same planting tube 1 can receive sufficient sunlight.

[0039] Preferably, a supplementary pipe 32 is disposed on the top surface of the nutrient solution storage box 3 , and a discharge pipe 33 is disposed on the side wall thereof. Valves 34 are disposed on both the supplementary pipe 32 and the discharge pipe 33 .

[0040] After the nutrient solution has been circulated for many times, it contains a lot of waste. At this time, the valve 34 on the discharge pipe 33 can be opened to discharge the waste liquid from the nutrient solution storage tank 3. After the discharge is completed, the valve 34 on the replenishment pipe 32 can be opened to replenish new nutrient solution into the nutrient solution storage tank 3 through the replenishment pipe 32.

[0041] Preferably, a filter 35 is further included, and the filter 35 is arranged on the circulation pipe 7.

[0042] When the nutrient solution flowing through the plant roots enters the circulation pipe 7, the filter 35 can filter the nutrient solution to remove the particulate impurities and some waste contained therein, so as to prevent the waste from being carried to the plant roots during the circulation of the nutrient solution.

[0043] Preferably, the position adjustment mechanism also includes a lighting lamp 36, a lampshade 37 and a second electric push rod 38, the lampshade 37 is arranged on the bottom surface of the lifting plate 13, the second electric push rod 38 is arranged inside the lampshade 37, and its output shaft is connected to the lighting lamp 36, the light sensor 26 is located below the moving path of the lighting lamp 36, and the host computer 28 is electrically connected to the lighting lamp 36 and the second electric push rod 38 respectively.

[0044] In order to ensure that the position adjustment function of the planting tube 1 is normal, a lighting lamp 36 is set on the bottom surface of the lifting plate 13. The lighting lamp 36 can illuminate the light sensor 26, so as to detect the light collection ability of the light sensor 26. At the same time, it can detect whether the upper computer 28 has the ability to evaluate the plant growth status and the ability of each component to separate and replace the planting tube 1 is normal. In addition, the lighting lamp 36 is set in a lampshade 37, and the lighting lamp 36 can be driven to rise and fall by a second electric push rod 38, so that the lighting range of the lighting lamp 36 can be adjusted to illuminate one or more light sensors 26 for self-inspection of different groups.

[0045] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A soilless plant nutrient solution circulation device, characterized in that: It includes a planting tube, a connecting tube, a nutrient solution storage box, a first water pump, a second water pump, a liquid outlet pipe, a circulation pipe and a position adjustment mechanism, the connecting pipes are arranged relatively to each other, the planting tube is arranged in parallel between the connecting pipes, and a plurality of planting ports are arranged on the upper surface thereof, the first water pump and the second water pump are arranged on both sides of the nutrient solution storage box, the liquid outlet pipe connects the first water pump and the connecting pipe on one side, and the circulation pipe connects the second water pump and the connecting pipe on the other side; the position adjustment mechanism includes a bellows, an embedded tube, an electric slide, a hydraulic rod, a lifting plate, a rotating motor, an insertion rod, a limit rod, a first electric push rod and a force plate, the bellows are arranged at both ends of the planting tube, and the side wall of the connecting tube is provided with a mounting hole. The mounting hole is provided, one end of the embedded tube is connected to the corrugated tube, and the other end extends into the mounting hole, the electric slide is arranged on the top surface of the connecting tube, the hydraulic rod is arranged on the top surface of the electric slide mover, and its output shaft is connected to the bottom surface of the lifting plate, and one side of the lifting plate extends above the planting tube, the rotating motor is arranged on the bottom surface of the lifting plate, and its output shaft is connected to the top end of the insertion rod, the limiting rod is symmetrically arranged on the outer side wall of the insertion rod, the top surfaces of both ends of the planting tube are provided with circular grooves, and strip grooves are symmetrically arranged on both sides of the circular groove, and the strip grooves are located on the descending path of the limiting rod, the force plate is arranged on the bottom surface of the embedded tube, and the first electric push rod is arranged on the bottom surface of the planting tube, and its output shaft is connected to the side wall of the force plate.

2. A soilless plant nutrient solution circulation device according to claim 1, characterized in that: It also includes a rubber sealing ring, which is arranged on the outer wall of the embedded tube.

3. The device for circulating nutrient solution for soilless cultivation of plants according to claim 1, characterized in that: The position adjustment mechanism also includes a support plate, one side of which is connected to the side wall of the force-bearing plate, and the other side of which extends below the planting tube, and the bottom surface of the corrugated tube is in contact with the top surface of the support plate.

4. A soilless plant nutrient solution circulation device according to claim 3, characterized in that: The top surface of the support plate is provided with a T-shaped sliding block, the bottom surface of the planting tube is provided with a T-shaped sliding groove, and the T-shaped sliding block is located in the T-shaped sliding groove.

5. The device for circulating nutrient solution for soilless cultivation of plants according to claim 1, characterized in that: It also includes a light sensor, a side plate and a host computer. The side plate is arranged on the side wall of the connecting pipe that is away from each other and is located on one side of the planting pipe. The light sensor is arranged on the side plate. The host computer is electrically connected to the first water pump, the second water pump, the electric slide, the hydraulic rod, the rotating motor, the first electric push rod and the light sensor respectively.

6. A soilless plant nutrient solution circulation device according to claim 5, characterized in that: The position adjustment mechanism also includes an arc-shaped placement frame, which is arranged on one side of the outermost planting tube, and the height of the top surface of the arc-shaped placement frame is lower than the height of the bottom surface of the planting tube.

7. A soilless plant nutrient solution circulation device according to claim 6, characterized in that: The position adjustment mechanism also includes an electric turntable and a rotating plate, the bottom surface of the rotating plate is connected to the rotating surface of the electric turntable, the arc-shaped placement frame is arranged on the rotating plate, and the host computer is electrically connected to the electric turntable.

8. The device for circulating nutrient solution for soilless cultivation of plants according to claim 1, characterized in that: The top surface of the nutrient solution storage box is provided with a supplementary pipe, and the side wall thereof is provided with a discharge pipe. Both the supplementary pipe and the discharge pipe are provided with valves.

9. The device for circulating nutrient solution for soilless cultivation of plants according to claim 1, characterized in that: The invention also comprises a filter, wherein the filter is arranged on the circulation pipe.

10. The device for circulating nutrient solution for soilless cultivation of plants according to claim 6, characterized in that: The position adjustment mechanism also includes a lighting lamp, a lampshade and a second electric push rod. The lampshade is arranged on the bottom surface of the lifting plate, the second electric push rod is arranged inside the lampshade, and its output shaft is connected to the lighting lamp. The light sensor is located below the moving path of the lighting lamp, and the host computer is electrically connected to the lighting lamp and the second electric push rod respectively.

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