Substrate Nutrient Detection Device with Stratified Synchronous Sampling Function for Soilless Cultivation

Abstract

The present invention discloses a substrate nutrient detection device with a layered synchronous sampling function for soilless cultivation, which relates to the technical field of soilless cultivation substrate nutrient detection. The substrate nutrient detection device with a layered synchronous sampling function for soilless cultivation includes a cabinet. A slide rail is installed on the cabinet, and a slide seat is slidably installed on the slide rail. A nutrient detector is installed on the slide seat, and a carrier plate is installed on the slide seat. A column is installed on the carrier plate, and a top plate is installed at the top of the column. A guide rail is installed at the bottom of the top plate, and a plurality of moving seats are slidably installed on the guide rail. Electric telescopic rods are installed on the plurality of moving seats, and automatic liquid suction tubes are installed on the electric telescopic rods. By starting the plurality of electric telescopic rods, it is convenient for the plurality of electric telescopic rods to control the corresponding automatic liquid suction tubes to extend into different layers of the culture dish for synchronous sampling. Then, by sending the sampled substrate into the nutrient detector, it is beneficial to conduct comprehensive sampling of the substrate.

Description

Technical Field

[0001] The present invention relates to the technical field of nutrient detection for soilless cultivation substrates, and specifically to a substrate nutrient detection device for soilless cultivation with a function of layered synchronous sampling. Background Art

[0002] Soilless cultivation is a cultivation technique that does not use natural soil, but uses nutrient solutions or solid substrates to provide the nutrients and environment required for plant growth. It is achieved by means of media such as water, peat, vermiculite, etc. or directly placing the plant roots in the nutrient solution, and by artificial regulation to meet the nutrient, water and air conditions required for crop growth. It breaks the limitation of the soil and makes it possible for crops to grow in a wider range of environments. Soilless cultivation can save resources, labor, increase yields, reduce pests and diseases, and avoid soil continuous cropping obstacles. It is applicable to various environments, such as deserts, beaches, deserted islands, etc., as long as there is a fresh water supply.

[0003] When the existing substrate nutrient detection devices for soilless cultivation detect the nutrients of liquid substrates, they do not have the function of layered synchronous sampling. Most of them independently detect the substrates on a single layer, resulting in incomplete detection of the substrate nutrients on different layers, and thus unable to accurately reflect the nutrient information of the substrates on different layers. Summary of the Invention

[0004] The purpose of the present invention is to provide a substrate nutrient detection device for soilless cultivation with a function of layered synchronous sampling to solve the problems raised in the prior art.

[0005] To achieve the above object, the present invention provides the following technical solutions: The substrate nutrient detection device with a layered synchronous sampling function for soilless cultivation includes a cabinet. A plurality of culture dishes are placed in the cabinet, and a slide rail is installed on one side of the cabinet. A slide seat is slidably installed on the slide rail. A nutrient detector is installed on the slide seat, and a carrier plate is installed on the slide seat. A column is installed on the carrier plate, and a top plate is installed at the top of the column. A guide rail is installed at the bottom of the top plate. A plurality of moving seats are slidably installed on the guide rail. Electric telescopic rods are installed on the plurality of moving seats, and automatic liquid suction pipes are installed on the electric telescopic rods. A vision detector is installed at the bottom of the top plate. The vision detector is electrically connected to the slide rail. When it is necessary to detect the nutrients of the substrate for soilless cultivation, the slide rail can be started, so that the slide seat can drive the top plate to move above the corresponding culture dish in the cabinet. Then, the guide rail is started, so that the plurality of moving seats can drive the automatic liquid suction pipes to move dispersedly through the electric telescopic rods, which is convenient for sampling the substrates at different positions on the same layer. At the same time, by starting the plurality of electric telescopic rods, it is convenient for the plurality of electric telescopic rods to control the corresponding automatic liquid suction pipes to extend into different layers of the culture dish for synchronous sampling. Then, by sending the sampled substrates into the nutrient detector, it is beneficial to conduct comprehensive sampling of the substrates and accurately reflect the nutrient information of the substrates at different layers.

[0006] Further, a cleaning component, a cleaning positioning component and a cleaning enhancement component are provided on the cabinet. The operation of the cleaning component provides the driving force for the operation of the cleaning positioning component and the cleaning enhancement component.

[0007] Further, the cleaning component includes a driving motor, a linkage rod, a water tank, a cleaning box, a two-way pump, a first water pipe, a second water pipe, a liquid level sensor, a delivery pump, a water suction pipe and a water return pipe;

[0008] A driving motor is installed at the bottom of the carrier plate. The output end of the driving motor is connected to the bottom of the column. Linkage rods are installed on both sides of the carrier plate, and a water tank is installed on the linkage rods. A cleaning tank is installed on the carrier plate. A two-way pump is installed on the water tank. One end of the two-way pump is connected to the water tank, and the other end is connected to the bottom of the cleaning tank. A liquid level sensor is installed in the upper part of the cleaning tank. A delivery pump is installed on the cleaning tank. The input end of the delivery pump is connected to the bottom of the cleaning tank through a suction pipe, and the output end of the delivery pump is connected to the upper part of the cleaning tank through a return pipe. The one-way valve is electrically connected to the delivery pump. After the detection is completed, by starting the driving motor, the column can be controlled to drive the top plate to rotate by °, so that the automatic liquid suction pipe can be controlled to extend into the cleaning tank. At this time, by starting the two-way pump, the water flow in the water tank can be transported into the cleaning tank through the first water pipe and the second water pipe, so as to realize the soaking and cleaning of the automatic liquid suction pipe by the water flow. At the same time, when the water flow in the cleaning tank reaches the liquid level sensor, the liquid level sensor can control the two-way pump to stop operating and control the delivery pump to operate, and can suck the water flow at the bottom of the cleaning tank through the suction pipe and then return it from the upper part of the cleaning tank through the return pipe, which is beneficial to form a circulating water flow in the cleaning tank, thereby improving the cleaning effect of the water flow on the automatic liquid suction pipe.

[0009] Further, the cleaning and positioning assembly includes a working cylinder, a piston, a support spring, a negative pressure pipe, a one-way valve, a transmission rod, a sliding hole, a fixed rod, a lifting plate, a connecting plate and a cleaning sleeve;

[0010] A working cylinder is installed on one side of the cleaning tank. A piston is slidably installed in the working cylinder. The piston is connected to the top of the working cylinder through a support spring. The upper part of the working cylinder is connected to the return pipe and the negative pressure pipe. A one-way valve is installed on the negative pressure pipe. The one-way valve is electrically connected to the liquid level sensor. A transmission rod is installed at the bottom of the piston. A sliding hole is opened at the bottom of the working cylinder. The transmission rod passes through the sliding hole. Two fixed rods are symmetrically installed at the bottom of the carrier plate. A lifting plate is slidably installed on the fixed rods. The lifting plate is connected to the transmission rod through a connecting plate. A plurality of cleaning sleeves are arranged in the cleaning tank. The lifting plate is connected to the cleaning sleeve through a lifting member. When the water flow is rapidly transported in the return pipe, the return pipe can form a negative pressure in the working cylinder through the negative pressure pipe, so that the piston can compress the support spring and move upward. During the upward movement of the piston, the piston can drive the lifting plate to move synchronously through the transmission rod and the connecting plate. When the piston moves to the highest position, the lifting plate can drive the cleaning sleeve in the cleaning tank to sleeve on the automatic liquid suction pipe through the lifting member, so that the cleaning sleeve can wipe and clean the automatic liquid suction pipe during the movement.

[0011] Further, the lifting member includes a rotating hole, a rotating rod, a through hole one, a through hole two and a mounting plate;

[0012] A plurality of rotating holes are formed in the lifting plate, and rotating rods are rotatably installed in the plurality of rotating holes. A plurality of through holes one are formed in the carrier plate, and a plurality of through holes two are formed in the bottom of the cleaning tank. The plurality of through holes one are in one-to-one butt joint with the plurality of through holes two. The rotating rod penetrates through the through hole one and the through hole two, and an installation plate is installed at the top of the rotating rod. A cleaning sleeve is installed on the installation plate. Through the arrangement of the lifting member, it can be ensured that while the cleaning sleeve moves, it will not affect the rotation of the cleaning sleeve.

[0013] Further, the cleaning enhancement assembly includes a connecting rod, a pressing plate, a driving airbag, an elastic tie, a stress plate, a pressurizing airbag, an air delivery pipe, an air supply pipe, an air rotating disc, an air spray head and a rotary joint;

[0014] The two sides of the lifting plate are symmetrically installed with connecting rods, and a pressing plate is installed on the connecting rods. The pressing plate and the bottom of the carrier plate are connected through a driving airbag. Both sides of the bottom of the carrier plate are installed with stress plates through elastic ties. The stress plate and the carrier plate are connected through a pressurizing airbag. The output end of the driving airbag is connected to the input end of the pressurizing airbag through an air delivery pipe. The lower end of the rotating rod is installed with an air rotating disc. A plurality of air spray heads are directionally installed on the side wall of the air rotating disc. The output end of the air rotating disc is installed with a rotary joint. The rotary joint is connected to the output end of the pressurizing airbag through an air supply pipe. When the lifting plate moves upward, the lifting plate can drive the pressing plate to move upward synchronously through the connecting rod during the movement, so that the pressing plate compresses the driving airbag during the upward movement, and the air flow in the driving airbag can enter the pressurizing airbag through the air delivery pipe. It can drive the stress plate to stretch the elastic tie and move downward through the volume expansion of the pressurizing airbag under the action of the air flow. When the air flow in the pressurizing airbag enters the air rotating disc through the air supply pipe, it can drive the air rotating disc to rotate by spraying the air flow force through the air spray head, so that the air rotating disc drives the cleaning sleeve to rotate synchronously through the rotating rod, and further can improve the cleaning effect of the cleaning sleeve on the automatic liquid suction pipe.

[0015] Further, a touch switch is installed on the pressing plate, an electric control air valve is installed on the air supply pipe, and the touch switch is electrically connected to the electric control air valve. When the pressing plate moves to the highest position, the touch switch is pressed and controls the electric control air valve to open, which can ensure that the cleaning sleeve rotates after being sleeved on the automatic liquid suction pipe. An air inlet pipe is installed at the input end of the driving airbag, and both the air inlet pipe and the air delivery pipe are one-way pipes, which can ensure the directional flow of the air flow.

[0016] Further, a pressure relief valve is installed on the upper part of the working cylinder, and the pressure relief valve is electrically connected to the driving motor. When the driving motor drives the top plate to rotate and reset, the pressure relief valve can be controlled to open, which is beneficial to realize the downward reset of the piston and can realize the reset of the cleaning positioning assembly and the cleaning enhancement assembly.

[0017] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0018] When it is necessary to detect the nutrients of the substrate for soilless cultivation, the slide rail can be started, so that the sliding seat can drive the top plate to move above the corresponding cultivation dish in the cabinet. Then, the guide rail is started, so that multiple moving seats can drive the automatic liquid suction pipes to move dispersedly through the electric telescopic rods, which is convenient for sampling the substrates at different positions on the same layer. At the same time, by starting multiple electric telescopic rods, it is convenient for multiple electric telescopic rods to control the corresponding automatic liquid suction pipes to extend into different layers of the cultivation dish for synchronous sampling. Then, by sending the sampled substrates into the nutrient detector, it is beneficial to conduct comprehensive sampling of the substrates and accurately reflect the nutrient information of the substrates at different layers.

[0019] Through the cleaning component provided in the present application, the automatic liquid suction pipe can be soaked and cleaned by water flow, and a circulating water flow can be formed in the cleaning box, thereby improving the cleaning effect of the water flow on the automatic liquid suction pipe.

[0020] Through the cleaning positioning component provided in the present application, the cleaning sleeve in the cleaning box can be sleeved on the automatic liquid suction pipe by using the negative pressure acting force, and the cleaning sleeve can wipe and clean the automatic liquid suction pipe during the movement.

[0021] Through the cleaning enhancement component provided in the present application, after the cleaning sleeve is sleeved on the automatic liquid suction pipe, the air nozzle can be used to spray the air flow acting force to drive the air turntable to rotate, thereby driving the cleaning sleeve to rotate, and further improving the cleaning effect of the cleaning sleeve on the automatic liquid suction pipe. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 is the single perspective structural schematic diagram of the present invention;

[0023] Figure 2 is the second perspective structural schematic diagram of the present invention;

[0024] Figure 3 is the third perspective structural schematic diagram of the present invention;

[0025] Figure 4 is the first sectional structural schematic diagram of the present invention;

[0026] Figure 5 is the second sectional structural schematic diagram of the present invention;

[0027] Figure 6 is the partial structural schematic diagram of the present invention;

[0028] Figure 7 is Figure 3 the enlarged structural schematic diagram at A in

[0029] Figure 8 isFigure 4 Schematic diagram of the enlarged structure at position B in

[0030] Figure 9 is Figure 6 Schematic diagram of the enlarged structure at position C in

[0031] Figure 10 is Figure 5 Schematic diagram of the enlarged structure at position D in

[0032] In the figure: 1. Cabinet; 2. Cultivation dish; 3. Slide rail; 4. Slide seat; 5. Nutrient detector; 6. Column; 7. Top plate; 8. Guide rail; 9. Moving seat; 10. Electric telescopic rod; 11. Automatic liquid suction pipe; 12. Carrier plate;

[0033] 13. Cleaning assembly; 1301. Driving motor; 1302. Linking rod; 1303. Water tank; 1304. Cleaning tank; 1305. Double - acting pump; 1306. First water pipe; 1307. Second water pipe; 1308. Liquid level sensor; 1309. Delivery pump; 1310. Suction water pipe; 1311. Return water pipe;

[0034] 14. Cleaning positioning assembly; 1401. Working cylinder; 1402. Piston; 1403. Support spring; 1404. Negative pressure pipe; 1405. Check valve; 1406. Transmission rod; 1407. Slide hole; 1408. Fixed rod; 1409. Lifting plate; 1410. Connecting plate; 1411. Cleaning sleeve;

[0035] 15. Lifting member; 1501. Rotation hole; 1502. Rotating rod; 1503. First through - hole; 1504. Second through - hole; 1505. Mounting plate;

[0036] 16. Cleaning enhancement assembly; 1601. Connecting rod; 1602. Extrusion plate; 1603. Driving airbag; 1604. Elastic tie; 1605. Force - receiving plate; 1606. Pressurizing airbag; 1607. Air delivery pipe; 1608. Air supply pipe; 1609. Air rotating disc; 1610. Air spray head; 1611. Rotary joint; 1612. Air inlet pipe; 1613. Pressure relief valve. Detailed implementation manners

[0037] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0038] Embodiment: As Figures 1 - 5As shown in the figure, the present invention provides a technical solution for a substrate nutrient detection device with a layered synchronous sampling function for soilless cultivation. The substrate nutrient detection device with a layered synchronous sampling function for soilless cultivation includes a cabinet 1, in which a plurality of culture dishes 2 are placed. A slide rail 3 is installed on one side of the cabinet 1. A slide seat 4 is slidably installed on the slide rail 3. A nutrient detector 5 is installed on the slide seat 4, and a carrier plate 12 is installed on the slide seat 4. A column 6 is installed on the carrier plate 12. A top plate 7 is installed at the top of the column 6. A guide rail 8 is installed at the bottom of the top plate 7. A plurality of moving seats 9 are slidably installed on the guide rail 8. Electric telescopic rods 10 are installed on the plurality of moving seats 9. An automatic liquid suction pipe 11 is installed on the electric telescopic rod 10. A vision detector is installed at the bottom of the top plate 7. The vision detector is electrically connected to the slide rail 3. When it is necessary to detect the nutrients of the substrate for soilless cultivation, the slide rail 3 can be started, so that the slide seat 4 can drive the top plate 7 to move above the corresponding culture dish 2 in the cabinet 1. At this time, the position of the plant in the culture dish 2 is detected by the vision detector, which is convenient for controlling the moving position of the slide seat 4 and can avoid the position of the plant in the culture dish 2. Then, the guide rail 8 is started, so that the plurality of moving seats 9 can drive the automatic liquid suction pipe 11 to move dispersedly through the electric telescopic rods 10, which is convenient for sampling the substrates at different positions on the same layer. At the same time, by starting the plurality of electric telescopic rods 10, it is convenient for the plurality of electric telescopic rods 10 to control the corresponding automatic liquid suction pipes 11 to extend into different layers of the culture dish 2 for synchronous sampling. Then, by sending the sampled substrate into the nutrient detector 5, it is beneficial to conduct comprehensive sampling of the substrate and can accurately reflect the nutrient information of the substrates at different layers.

[0039] A cleaning component 13, a cleaning positioning component 14 and a cleaning enhancement component 16 are arranged on the cabinet 1. The operation of the cleaning component 13 provides driving force for the operation of the cleaning positioning component 14 and the cleaning enhancement component 16.

[0040] As Figures 1 - 7 and Figures 9 - 10 As shown in the figure, the cleaning component 13 includes a driving motor 1301, a linkage rod 1302, a water tank 1303, a cleaning box 1304, a two-way pump 1305, a first water pipe 1306, a second water pipe 1307, a liquid level sensor 1308, a delivery pump 1309, a water suction pipe 1310 and a water return pipe 1311;

[0041] A driving motor 1301 is installed at the bottom of the carrier plate 12. The output end of the driving motor 1301 is connected to the bottom of the column 6. Linkage rods 1302 are installed on both sides of the carrier plate 12. A water tank 1303 is installed on the linkage rod 1302. A cleaning tank 1304 is installed on the carrier plate 12. A two-way pump 1305 is installed on the water tank 1303. One end of the two-way pump 1305 is connected to the water tank 1303, and the other end is connected to the bottom of the cleaning tank 1304. A liquid level sensor 1308 is installed at the upper part inside the cleaning tank 1304. A delivery pump 1309 is installed on the cleaning tank 1304. The input end of the delivery pump 1309 is connected to the bottom of the cleaning tank 1304 through a suction pipe 1310, and the output end of the delivery pump 1309 is connected to the upper part of the cleaning tank 1304 through a return pipe 1311. The one-way valve 1405 is electrically connected to the delivery pump 1309. After the detection is completed, by starting the driving motor 1301, the column 6 is controlled to drive the top plate 7 to rotate 180°, and the automatic liquid suction pipe 11 can be controlled to extend into the cleaning tank 1304. At this time, by starting the two-way pump 1305, the water flow in the water tank 1303 can be delivered to the cleaning tank 1304 through the first water pipe 1306 and the second water pipe 1307, so as to realize the soaking and cleaning of the automatic liquid suction pipe 11 by the water flow. At the same time, when the water flow in the cleaning tank 1304 reaches the liquid level sensor 1308, the liquid level sensor 1308 can control the two-way pump 1305 to stop operating and control the delivery pump 1309 to operate, and the water flow at the bottom of the cleaning tank 1304 can be sucked through the suction pipe 1310 and then returned from the upper part of the cleaning tank 1304 through the return pipe 1311, which is beneficial to forming a circulating water flow in the cleaning tank 1304, thereby improving the cleaning effect of the water flow on the automatic liquid suction pipe 11.

[0042] As Figures 2 - 6 and Figures 8 - 10 shown, the cleaning and positioning assembly 14 includes a working cylinder 1401, a piston 1402, a support spring 1403, a negative pressure pipe 1404, a one-way valve 1405, a transmission rod 1406, a sliding hole 1407, a fixing rod 1408, a lifting plate 1409, a connecting plate 1410 and a cleaning sleeve 1411;

[0043] A working cylinder 1401 is installed on one side of the cleaning box 1304, and a piston 1402 is slidably installed in the working cylinder 1401. The piston 1402 is connected to the top of the working cylinder 1401 through a supporting spring 1403. The upper part of the working cylinder 1401 is connected to the return pipe 1311 and the negative pressure pipe 1404. A one-way valve 1405 is installed on the negative pressure pipe 1404, and the one-way valve 1405 is electrically connected to the liquid level sensor 1308. A transmission rod 1406 is installed at the bottom of the piston 1402. A sliding hole 1407 is opened at the bottom of the working cylinder 1401, and the transmission rod 1406 passes through the sliding hole 1407. Two fixed rods 1408 are symmetrically installed at the bottom of the carrier plate 12. A lifting plate 1409 is slidably installed on the fixed rod 1408, and the lifting plate 1409 is connected to the connecting plate 1410 is connected to the transmission rod 1406, and a plurality of cleaning sleeves 1411 are arranged in the cleaning box 1304. The lifting plate 1409 is connected to the cleaning sleeve 1411 through the lifting piece 15. When the water flow in the return pipe 1311 is transported quickly, the return pipe 1311 can form a negative pressure in the working cylinder 1401 through the negative pressure pipe 1404, so that the piston 1402 can compress the support spring 1403 to move upward. During the upward movement of the piston 1402, the lifting plate 1409 can be driven to move synchronously through the transmission rod 1406 and the connecting plate 1410. When the piston 1402 moves to the highest point, the lifting plate 1409 can drive the cleaning sleeve 1411 in the cleaning box 1304 through the lifting piece 15 to be mounted on the automatic liquid suction pipe 11, so that the cleaning sleeve 1411 can wipe and clean the automatic liquid suction pipe 11 during the movement.

[0044] The lifting member 15 includes a rotating hole 1501, a rotating rod 1502, a through hole 1503, a through hole 2 1504 and a mounting plate 1505;

[0045] The lifting plate 1409 is provided with a plurality of rotating holes 1501, and a rotating rod 1502 is rotatably installed in each of the plurality of rotating holes 1501. The carrier plate 12 is provided with a plurality of through holes 1503. The bottom of the cleaning box 1304 is provided with a plurality of through holes 1504, and the plurality of through holes 1503 are connected one by one with the plurality of through holes 2 1504. The rotating rod 1502 passes through the through holes 1503 and the through holes 2 1504, and a mounting plate 1505 is installed on the top of the rotating rod 1502, and a cleaning cover 1411 is installed on the mounting plate 1505. The setting of the lifting member 15 can ensure that the cleaning cover 1411 can move while not affecting the rotation of the cleaning cover 1411.

[0046] like Figures 2 - 6 and Figures 8 - 10As shown, the cleaning enhancement component 16 includes a connecting rod 1601, a pressing plate 1602, a driving airbag 1603, an elastic lace 1604, a stress plate 1605, a pressurizing airbag 1606, an air delivery pipe 1607, an air supply pipe 1608, an air rotating disc 1609, an air nozzle 1610, and a rotary joint 1611;

[0047] On both sides of the lifting plate 1409, connecting rods 1601 are symmetrically installed. The pressing plate 1602 is installed on the connecting rod 1601. The pressing plate 1602 and the bottom of the carrier plate 12 are connected by the driving airbag 1603. On both sides of the bottom of the carrier plate 12, stress plates 1605 are installed through elastic laces 1604. The stress plates 1605 and the carrier plate 12 are connected by a pressurizing airbag 1606. The output end of the driving airbag 1603 and the input end of the pressurizing airbag 1606 are connected by an air delivery pipe 1607. The lower end of the rotating rod 1502 is installed with an air rotating disc 1609. A plurality of air nozzles 1610 are directionally installed on the side wall of the air rotating disc 1609. The output end of the air rotating disc 1609 is installed with a rotary joint 1611. The rotary joint 1611 and the output end of the pressurizing airbag 1606 are connected by an air supply pipe 1608. When the lifting plate 1409 moves upward, during the movement of the lifting plate 1409, it can drive the pressing plate 1602 to move upward synchronously through the connecting rod 1601, so that the pressing plate 1602 compresses the driving airbag 1603 during the upward movement, allowing the air flow in the driving airbag 1603 to enter the pressurizing airbag 1606 through the air delivery pipe 1607. It can drive the stress plate 1605 to stretch the elastic lace 1604 and move downward through the volume expansion of the pressurizing airbag 1606 under the action of the air flow. When the air flow in the pressurizing airbag 1606 enters the air rotating disc 1609 through the air supply pipe 1608, it can drive the air rotating disc 1609 to rotate by jetting the air flow force through the air nozzle 1610, so that the air rotating disc 1609 drives the cleaning sleeve 1411 to rotate synchronously through the rotating rod 1502, and further improves the cleaning effect of the cleaning sleeve 1411 on the automatic liquid suction pipe 11.

[0048] A touch switch is installed on the pressing plate 1602, and an electric control air valve is installed on the air supply pipe 1608. The touch switch is electrically connected to the electric control air valve. When the pressing plate 1602 moves to the highest position, the touch switch is pressed and controls the opening of the electric control air valve, which can ensure that the cleaning sleeve 1411 rotates after being sleeved on the automatic liquid suction pipe 11. An air inlet pipe 1612 is installed on the input end of the driving airbag 1603. Both the air inlet pipe 1612 and the air delivery pipe 1607 are one-way pipes, which can ensure the directional flow of the air flow.

[0049] A pressure relief valve 1613 is installed on the upper part of the working cylinder 1401. The pressure relief valve 1613 is electrically connected to the drive motor 1301. After the drive motor 1301 drives the top plate 7 to rotate and reset, the pressure relief valve 1613 can be controlled to open, which is beneficial to realizing the downward reset of the piston 1402 and enabling the cleaning positioning assembly 14 and the cleaning enhancement assembly 16 to return to their positions.

[0050] The working principle of the present invention:

[0051] When it is necessary to detect the nutrients in the substrate for soilless cultivation, the slide rail 3 can be started, so that the slide seat 4 drives the top plate 7 to move above the corresponding cultivation dish 2 in the cabinet 1. At this time, the position of the plants in the cultivation dish 2 is detected by the vision detector, which is convenient for controlling the moving position of the slide seat 4 and can avoid the position of the plants in the cultivation dish 2. Then, the guide rail 8 is started, so that a plurality of moving seats 9 can drive the automatic liquid suction pipes 11 to move dispersedly through the electric telescopic rods 10, which is convenient for sampling the substrates at different positions on the same level. At the same time, by starting a plurality of electric telescopic rods 10, it is convenient for the plurality of electric telescopic rods 10 to control the corresponding automatic liquid suction pipes 11 to extend into different levels of the cultivation dish 2 for synchronous sampling. Then, by sending the sampled substrates into the nutrient detector 5, it is beneficial to conduct comprehensive sampling of the substrates and can accurately reflect the nutrient information of the substrates at different levels.

[0052] After the detection is completed, by starting the drive motor 1301, the column 6 is controlled to drive the top plate 7 to rotate 180°, so that the automatic liquid suction pipe 11 can be controlled to extend into the cleaning box 1304. At this time, the two-way pump 1305 is started, and the water flow in the water tank 1303 can be transported into the cleaning box 1304 through the first water pipe 1306 and the second water pipe 1307, so as to realize the soaking and cleaning of the automatic liquid suction pipe 11 by the water flow. At the same time, when the water flow in the cleaning box 1304 reaches the liquid level sensor 1308, the liquid level sensor 1308 can control the two-way pump 1305 to stop operating and control the transport pump 1309 to operate, and the water flow at the bottom of the cleaning box 1304 can be sucked through the water suction pipe 1310 and then returned from the upper part of the cleaning box 1304 through the return water pipe 1311, which is beneficial to forming a circulating water flow in the cleaning box 1304, thereby improving the cleaning effect of the water flow on the automatic liquid suction pipe 11.

[0053] When water flows rapidly in the return water pipe 1311, the return water pipe 1311 can form a negative pressure in the working cylinder 1401 through the negative pressure pipe 1404, enabling the piston 1402 to compress the support spring 1403 and move upward. During the upward movement of the piston 1402, it can drive the lifting plate 1409 to move synchronously through the transmission rod 1406 and the connecting plate 1410. When the piston 1402 moves to the highest position, the lifting plate 1409 can drive the cleaning sleeve 1411 in the cleaning tank 1304 to be sleeved on the automatic liquid suction pipe 11 through the lifting member 15, allowing the cleaning sleeve 1411 to wipe and clean the automatic liquid suction pipe 11 during the movement.

[0054] When the lifting plate 1409 moves upward, it can drive the extrusion plate 1602 to move synchronously upward through the connecting rod 1601 during the movement, causing the extrusion plate 1602 to compress the driving airbag 1603 during the upward movement, enabling the air flow in the driving airbag 1603 to enter the pressurizing airbag 1606 through the air delivery pipe 1607. The volume expansion of the pressurizing airbag 1606 under the action of the air flow can drive the force-bearing plate 1605 to stretch the elastic lace 1604 and move downward. When the extrusion plate 1602 moves to the highest position, the touch switch is squeezed and controls the opening of the electric control air valve. The air flow in the pressurizing airbag 1606 enters the air turntable 1609 through the air delivery pipe 1608, and the air flow force can be sprayed through the air nozzles 1610 to drive the air turntable 1609 to rotate, so that the air turntable 1609 drives the cleaning sleeve 1411 to rotate synchronously through the rotating rod 1502, thereby further improving the cleaning effect of the cleaning sleeve 1411 on the automatic liquid suction pipe 11.

[0055] For those skilled in the art, it is obvious that the present invention is not limited to the details of the above exemplary embodiments, and without departing from the spirit or basic characteristics of the present invention, the present invention can be implemented in other specific forms. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting. The scope of the present invention is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present invention. Any reference signs in the claims should not be regarded as limiting the claimed claims.

Claims

1. A substrate nutrient detection device with a layered synchronous sampling function for soilless cultivation, characterized in that: The substrate nutrient detection device with a layered synchronous sampling function for soilless cultivation includes a cabinet (1). A plurality of culture dishes (2) are placed inside the cabinet (1). One side of the cabinet (1) is equipped with a slide rail (3). A slide seat (4) is slidably mounted on the slide rail (3). A nutrient detector (5) is mounted on the slide seat (4). A carrier plate (12) is mounted on the slide seat (4). A column (6) is mounted on the carrier plate (12). A top plate (7) is mounted on the top of the column (6). A guide rail (8) is mounted on the bottom of the top plate (7). A plurality of moving seats (9) are slidably mounted on the guide rail (8). Electric telescopic rods (10) are mounted on the plurality of moving seats (9). An automatic liquid suction pipe (11) is mounted on the electric telescopic rod (10). A visual detector is mounted on the bottom of the top plate (7). The visual detector is electrically connected to the slide rail (3); A cleaning component (13), a cleaning positioning component (14) and a cleaning enhancement component (16) are provided on the cabinet (1). The operation of the cleaning component (13) provides the operating driving force for the cleaning positioning component (14) and the cleaning enhancement component (16); The cleaning component (13) includes a driving motor (1301), a linkage rod (1302), a water tank (1303), a cleaning tank (1304), a two-way pump (1305), a first water pipe (1306), a second water pipe (1307), a liquid level sensor (1308), a delivery pump (1309), a water suction pipe (1310) and a water return pipe (1311); The cleaning positioning component (14) includes a working cylinder (1401), a piston (1402), a support spring (1403), a negative pressure pipe (1404), a one-way valve (1405), a transmission rod (1406), a sliding hole (1407), a fixed rod (1408), a lifting plate (1409), a connecting plate (1410) and a cleaning sleeve (1411); One side of the cleaning tank (1304) is provided with a working cylinder (1401). A piston (1402) is slidably installed in the working cylinder (1401). The piston (1402) is connected to the top of the working cylinder (1401) through a support spring (1403). The upper part of the working cylinder (1401) is connected to a return water pipe (1311) and a negative pressure pipe (1404). A one-way valve (1405) is installed on the negative pressure pipe (1404). The one-way valve (1405) is electrically connected to a liquid level sensor (1308). The one-way valve (1405) is electrically connected to a delivery pump (1309). A transmission rod (1406) is installed at the bottom of the piston (1402). A sliding hole (1407) is formed at the bottom of the working cylinder (1401). The transmission rod (1406) penetrates through the sliding hole (1407). Two fixing rods (1408) are symmetrically installed at the bottom of the carrier plate (12). A lifting plate (1409) is slidably installed on the fixing rods (1408). The lifting plate (1409) is connected to the transmission rod (1406) through a connecting plate (1410). A plurality of cleaning sleeves (1411) are arranged in the cleaning tank (1304). The lifting plate (1409) is connected to the cleaning sleeve (1411) through a lifting member (15). The cleaning enhancement assembly (16) includes a connecting rod (1601), a pressing plate (1602), a driving airbag (1603), an elastic lace (1604), a stress plate (1605), a boosting airbag (1606), an air delivery pipe (1607), an air supply pipe (1608), an air rotating disc (1609), an air spray head (1610) and a rotary joint (1611).

2. The substrate nutrient detection device with a hierarchical synchronous sampling function for soilless cultivation according to claim 1, wherein: A driving motor (1301) is installed at the bottom of the carrier plate (12). The output end of the driving motor (1301) is connected to the bottom of the column (6). Linkage rods (1302) are installed on both sides of the carrier plate (12). A water tank (1303) is installed on the linkage rods (1302). A cleaning tank (1304) is installed on the carrier plate (12). A two-way pump (1305) is installed on the water tank (1303). One end of the two-way pump (1305) is connected to the water tank (1303), and the other end is connected to the bottom of the cleaning tank (1304). A liquid level sensor (1308) is installed in the upper part of the cleaning tank (1304). A delivery pump (1309) is installed on the cleaning tank (1304). The input end of the delivery pump (1309) is connected to the bottom of the cleaning tank (1304) through a suction pipe (1310), and the output end of the delivery pump (1309) is connected to the upper part of the cleaning tank (1304) through a return water pipe (1311).

3. The substrate nutrient detection device with a layered synchronous sampling function for soilless cultivation according to claim 2, characterized in that: The lifting member (15) includes a rotating hole (1501), a rotating rod (1502), a through hole one (1503), a through hole two (1504) and a mounting plate (1505). A plurality of rotation holes (1501) are formed in the lifting plate (1409). A rotating rod (1502) is rotatably installed in each of the plurality of rotation holes (1501). A plurality of through holes one (1503) are formed in the carrier plate (12). A plurality of through holes two (1504) are formed in the bottom of the cleaning tank (1304). The plurality of through holes one (1503) are in one-to-one correspondence and butt joint with the plurality of through holes two (1504). The rotating rod (1502) penetrates through the through hole one (1503) and the through hole two (1504), and an installation plate (1505) is installed at the top of the rotating rod (1502). A cleaning sleeve (1411) is installed on the installation plate (1505).

4. The substrate nutrient detection device with a hierarchical synchronous sampling function for soilless cultivation according to claim 3, wherein: Connecting rods (1601) are symmetrically installed on both sides of the lifting plate (1409). An extrusion plate (1602) is installed on the connecting rod (1601). The extrusion plate (1602) and the bottom of the carrier plate (12) are connected by a driving airbag (1603). Force-bearing plates (1605) are installed on both sides of the bottom of the carrier plate (12) through elastic laces (1604). The force-bearing plates (1605) and the carrier plate (12) are connected by a pressurizing airbag (1606). The output end of the driving airbag (1603) and the input end of the pressurizing airbag (1606) are connected by an air pipe (1607). An air rotating disc (1609) is installed at the lower end of the rotating rod (1502). A plurality of air spray heads (1610) are directionally installed on the side wall of the air rotating disc (1609). A rotary joint (1611) is installed on the output end of the air rotating disc (1609). The rotary joint (1611) and the output end of the pressurizing airbag (1606) are connected by an air supply pipe (1608).

5. The substrate nutrient detection device for soilless cultivation with a layered synchronous sampling function according to claim 4, characterized in that: A touch switch is installed on the extrusion plate (1602). An electric control air valve is installed on the air supply pipe (1608). The touch switch is electrically connected to the electric control air valve. When the extrusion plate (1602) moves to the highest position, the touch switch is squeezed and controls the opening of the electric control air valve. An air inlet pipe (1612) is installed on the input end of the driving airbag (1603). The air inlet pipe (1612) and the air pipe (1607) are both one-way pipes.

6. The substrate nutrient detection device with a layered synchronous sampling function for soilless cultivation according to claim 5, characterized in that: A pressure relief valve (1613) is installed on the upper part of the working cylinder (1401). The pressure relief valve (1613) is electrically connected to the driving motor (1301).

Images