High-low collaborative irrigation system for facility agriculture

Abstract

The utility model discloses a high-low collaborative irrigation system for facility agriculture. The high-low collaborative irrigation system comprises a greenhouse frame, a center console, a temperature sensor, a humidity sensor and an irrigation module, the irrigation module comprises a water storage tank, a water pump, a water pipeline and a nozzle assembly; a water outlet of the water storage tank is sequentially connected with water inlets of the water pump, the water pipeline and the nozzle assembly; the temperature sensor and the humidity sensor are electrically connected with the center console, and the center console is electrically connected with the water pump. The nozzle assembly comprises a fixed nozzle, a telescopic nozzle and a telescopic rod; the top of the telescopic rod communicates with the telescopic nozzle, and the bottom of the telescopic rod communicates with the water conveying pipeline. The fixed nozzle is arranged below the telescopic nozzle and is communicated with the interior of the telescopic rod; according to the utility model, environmental parameters are utilized, the center console controls the start and stop of the water pump according to the environmental parameters, and the working height and irrigation opportunity of the telescopic nozzle are adjusted, so that collaborative precise irrigation of crops with different heights in facility agriculture is realized, and the problem of uneven irrigation caused by water demand difference of high and low crops is solved.

Description

Technical Field

[0001] This utility model relates to the field of agricultural irrigation equipment technology, specifically to a high-low coordinated irrigation system for facility agriculture. Background Technology

[0002] In the process of modernizing facility agriculture, the intelligence and precision of irrigation systems are the core to improving water resource utilization efficiency and crop yield. However, existing agricultural greenhouse irrigation systems generally rely on fixed sprinklers and manual control, which makes it difficult to meet the differentiated water requirements of crops. For example, rice seedlings need to be kept moist but cannot tolerate waterlogging, while pepper growth requires control of the amount of irrigation per irrigation to prevent root rot.

[0003] However, current technology can only manage water resources by roughly adjusting the opening and closing time of the sprinklers, resulting in low water resource utilization. At the same time, existing irrigation systems generally lack environmental sensing capabilities and cannot achieve dynamic cooling through intelligent humidification or spraying during high-temperature periods to alleviate heat damage to plants, which significantly increases the risk of crop yield reduction.

[0004] Therefore, it is necessary to propose a high-low coordinated irrigation system for facility agriculture. Summary of the Invention

[0005] The purpose of this utility model is to at least partially address the shortcomings of the existing technology, thereby proposing a high-low coordinated irrigation system for facility agriculture.

[0006] To achieve the above objectives, the present invention adopts the following technical solution:

[0007] This utility model provides a high-low coordinated irrigation system for facility agriculture, including a greenhouse frame, a central control console, a temperature sensor, a humidity sensor, and an irrigation module;

[0008] The irrigation module includes a water storage tank, a water pump, a water delivery pipe, and a sprinkler assembly; the temperature sensor, humidity sensor, water pump, water delivery pipe, and sprinkler assembly are all located inside the greenhouse frame; the water storage tank is located outside the greenhouse frame.

[0009] The outlet of the water storage tank is sequentially connected to the inlet of the water pump, the water supply pipe, and the nozzle assembly; the outputs of the temperature sensor and the humidity sensor are electrically connected to the input of the central control panel, and the output of the central control panel is electrically connected to the input of the water pump.

[0010] The nozzle assembly includes at least one fixed nozzle, at least one telescopic nozzle, and a telescopic rod for supporting and driving the telescopic nozzle to rise and fall; the top of the telescopic rod is connected to the telescopic nozzle, and the bottom of the telescopic rod is connected to the water supply pipe; the fixed nozzle is located below the telescopic nozzle and is connected to the inside of the telescopic rod.

[0011] In one optional embodiment, the telescopic rod includes an outer tube, an inner tube nested within the outer tube, and a drive assembly;

[0012] Both the outer and inner pipes are hollow pipe structures, and the outer pipe is fixedly connected to the water supply pipe. The drive assembly is located inside the outer pipe. The input end of the drive assembly is electrically connected to the output end of the central control panel to drive the inner pipe to move linearly up and down relative to the outer pipe.

[0013] In one alternative embodiment, the water storage tank includes a housing and a filter assembly disposed inside the housing;

[0014] The top of the shell is provided with a rainwater collection port; the two sides of the shell are respectively provided with a water inlet and a water outlet;

[0015] The outlet of the rainwater collection port and the inlet is connected to the inlet of the filter assembly; the outlet of the filter assembly is connected to the inlet of the inlet, the inlet of the inlet is also connected to an external water supply, and the outlet of the inlet is connected to the inlet of the water supply pipe.

[0016] The filtration assembly consists of a coarse filter screen, an activated carbon adsorption layer, and a precision filter membrane, arranged sequentially from the inlet to the outlet.

[0017] In an optional embodiment, a water level sensor is further provided on the inner wall of the housing; a first solenoid valve is provided on the water inlet, and a second solenoid valve is provided on the water outlet;

[0018] The output terminal of the water level sensor is electrically connected to the input terminal of the central control panel, and the input terminals of the first solenoid valve and the second solenoid valve are respectively electrically connected to the output terminal of the central control panel.

[0019] In one optional embodiment, a drain port is provided at the bottom of the housing, and a third solenoid valve is provided on the drain port. The input end of the third solenoid valve is electrically connected to the output end of the central control panel.

[0020] In an optional implementation, a greenhouse film covering the greenhouse frame is also included;

[0021] The top of the outer side of the greenhouse film is provided with a guide channel for collecting rainwater; the outlet of the guide channel is connected to the inlet of the rainwater collection port through a guide pipe.

[0022] In one optional embodiment, the fixed nozzle is a fan-shaped nozzle; the telescopic nozzle is a rotary atomizing nozzle.

[0023] In one optional implementation, the central control console is communicatively connected to a smart terminal.

[0024] The beneficial effects of the embodiments provided by this utility model include:

[0025] This invention utilizes temperature and humidity sensors to monitor environmental data. The central control unit controls the start and stop of water pumps and solenoid valves based on the environmental data. It can adjust the working height of telescopic nozzles and the timing of irrigation according to the differences in crop growth height and environmental temperature and humidity, thereby achieving coordinated and precise irrigation of crops of different heights in facility agriculture. This effectively solves the problem of uneven irrigation caused by the difference in water requirements of crops of different heights and significantly improves the utilization rate of irrigation water. Attached Figure Description

[0026] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other embodiments can be obtained based on these drawings.

[0027] Figure 1 A schematic diagram of the high-low coordinated irrigation system for facility agriculture is shown in the embodiments of this specification;

[0028] Figure 2 A schematic diagram of the irrigation module in an embodiment of this specification is shown;

[0029] Figure 3 A schematic diagram of the water storage tank in an embodiment of this specification is shown;

[0030] Among them, 1 is the column, 2 is the main beam, 3 is the arch rod, 4 is the greenhouse film, 5 is the guide channel, 6 is the guide pipe, 7 is the water storage tank, 701 is the rainwater collection interface, 702 is the coarse filter screen, 703 is the activated carbon adsorption layer, 704 is the precision filter membrane, 705 is the water inlet, 706 is the water outlet, 707 is the sewage outlet, 8 is the humidity sensor, 9 is the temperature sensor, 10 is the water pump, 11 is the water supply pipe, 12 is the telescopic rod, 13 is the fixed sprinkler head, 14 is the telescopic sprinkler head, and 15 is the central control panel. Detailed Implementation

[0031] The features and exemplary embodiments of various aspects of the present invention will now be described in detail. In the following detailed description, numerous specific details are set forth in order to provide a thorough understanding of the invention. However, it will be apparent to those skilled in the art that the invention may be practiced without requiring some of these specific details. The following description of embodiments is merely intended to provide a better understanding of the invention by illustrating examples of the invention.

[0032] Traditional agricultural greenhouse irrigation systems commonly suffer from severe water waste and low irrigation precision. Existing technologies mostly employ fixed sprinklers and manual control, failing to provide precise irrigation based on the differentiated needs of different crop types. Furthermore, plants are susceptible to heat damage in high-temperature environments, but existing systems lack dynamic cooling capabilities. In addition, water storage tanks rely on manual operation, insufficient filtration precision leads to frequent pipe blockages, and remote monitoring and automated control are not possible. Therefore, there is an urgent need for a water-saving system integrating multi-mode irrigation, intelligent sensing, and remote control to improve water resource utilization and crop yield.

[0033] The technical solution of the present invention will be described in detail below with reference to specific embodiments.

[0034] Example 1

[0035] like Figure 1 As shown, this embodiment discloses a high-low coordinated irrigation system for facility agriculture, including a greenhouse frame, a greenhouse film 4 covering the greenhouse frame, a central control console 15, a humidity sensor 8, a temperature sensor 9, and an irrigation module;

[0036] The irrigation module includes a water storage tank 7, a water pump 10, a water delivery pipe 11, and a nozzle assembly;

[0037] For example, the output terminals of temperature sensor 9 and humidity sensor 8 are electrically connected to the input terminals of central control panel 15, and the output terminal of central control panel 15 is electrically connected to the input terminal of water pump 10, so as to adjust the water outlet 706 of water storage tank 7 to be connected in sequence with water pump 10, water supply pipe 11 and nozzle assembly water inlet 705 according to the data collected by temperature sensor 9 and humidity sensor 8.

[0038] like Figure 2 As shown, the nozzle assembly includes at least one fixed nozzle 13, at least one telescopic nozzle 14, and a telescopic rod 12 for supporting and driving the telescopic nozzle 14 to rise and fall; the top of the telescopic rod 12 communicates with the telescopic nozzle 14, and the bottom of the telescopic rod 12 communicates with the water supply pipe 11; the fixed nozzle 13 is located below the telescopic nozzle 14 and communicates with the interior of the telescopic rod 12. Specifically, the temperature sensor 9, humidity sensor 8, water pump 10, water supply pipe 11, and nozzle assembly are all located inside the greenhouse frame; the water storage tank 7 is located outside the greenhouse frame; exemplarily, the telescopic rod 12 includes an outer tube, an inner tube nested within the outer tube, a solenoid valve, and a drive assembly;

[0039] Specifically, both the outer and inner pipes are hollow pipe structures, and the outer pipe is fixedly connected to the water supply pipe 11; the solenoid valve and the drive assembly are both located inside the outer pipe; the input end of the solenoid valve is electrically connected to the output end of the central control panel 15; the input end of the drive assembly is electrically connected to the output end of the central control panel 15 to drive the inner pipe to move linearly up and down relative to the outer pipe.

[0040] In some embodiments, the drive assembly includes a drive motor, a drive solenoid valve, and a lead screw transmission mechanism;

[0041] The lead screw drive mechanism includes a lead screw and a nut that meshes with the lead screw;

[0042] Specifically, the lead screw is connected to the output end of the drive motor, and the nut is fixedly installed on the inner wall of the inner tube; the input end of the drive solenoid valve is electrically connected to the output end of the central control panel 15, and the output end of the solenoid valve is electrically connected to the input end of the drive motor, so as to control the opening and closing of the solenoid valve according to the instructions of the central control panel 15, so as to drive the motor to rotate, and then drive the inner tube to rise and fall through the lead screw transmission mechanism.

[0043] like Figure 3 As shown, exemplarily, the water storage tank 7 includes a housing and a filter assembly disposed inside the housing;

[0044] Specifically, a rainwater collection port 701 is provided on the top of the shell; an inlet 705 and an outlet 706 are provided on the two sides of the shell respectively;

[0045] The outlet of the rainwater collection port 701 and the inlet 705 are connected to the inlet of the filter assembly; the outlet of the filter assembly is connected to the inlet of the inlet 705, the inlet of the inlet 705 is also connected to the external water supply, and the outlet of the inlet 705 is connected to the inlet of the water supply pipe 11.

[0046] The filter assembly consists of a coarse filter screen 702, an activated carbon adsorption layer 703, and a precision filter membrane 704 arranged sequentially from the inlet to the outlet.

[0047] In this embodiment, the coarse filter 702 has a pore size of less than or equal to 2 mm, the activated carbon adsorption layer 703 has a thickness of less than or equal to 3 cm, and the precision filter membrane 704 has a pore size of less than or equal to 0.1 mm. In some embodiments, the water storage tank 7 further includes a water level sensor disposed on the inner wall of the shell; a first solenoid valve is disposed on the water inlet 705, and a second solenoid valve is disposed on the water outlet 706;

[0048] The output of the water level sensor is electrically connected to the input of the central control panel 15, and the inputs of the first solenoid valve and the second solenoid valve are electrically connected to the output of the central control panel 15, respectively.

[0049] In some embodiments, a drain port 707 is provided at the bottom of the housing, and a third solenoid valve is provided on the drain port 707; wherein the input end of the third solenoid valve is electrically connected to the output end of the central control panel 15.

[0050] In some embodiments, a guide channel 5 is provided on the top of the outer side of the greenhouse film 4 to collect rainwater; the outlet end of the guide channel 5 is connected to the inlet end of the rainwater collection port 701 of the water storage tank 7 through a guide pipe 6.

[0051] In some embodiments, the greenhouse frame includes columns 1, main beams 2, arches 3, and support rods; multiple columns 1 are arrayed on the ground; adjacent columns 1 are connected by main beams 2 arranged horizontally or longitudinally; the two ends of the arches 3 are respectively connected to the two ends of the horizontally arranged main beams 2; the support rods are connected to the top center of multiple arches in the longitudinal direction to improve the stress stability of the overall structure of the greenhouse roof and increase its compressive strength.

[0052] In this embodiment, the length of the greenhouse body is longitudinal, and the width of the greenhouse body is transverse.

[0053] In some embodiments, the greenhouse film 4 is made of a material with good light transmittance and strong heat preservation performance; wherein, the material of the greenhouse film 4 is one or more of polyethylene, polyolefin, and ethylene-vinyl acetate.

[0054] In some embodiments, the telescopic rod 12 is vertically installed on the water supply pipe 11 through a tee fitting, the bottom of the telescopic rod 12 is connected to the vertical outlet end of the tee fitting, and the outlet 706 of the water supply pipe 11 is connected to the vertical inlet end of the tee fitting.

[0055] In some embodiments, the fixed nozzle 13 is a fan-shaped nozzle; the telescopic nozzle 14 is a rotary atomizing nozzle.

[0056] In this embodiment, a fixed nozzle 13 located at a low position is used to spray a fan-shaped jet through a fan-shaped nozzle to cover the middle and lower parts of the plant, meeting the high flow rate requirements during the crop growth period; a telescopic nozzle 14 located at a high position is used to generate micron-level water mist through ultrasonic technology using atomizing nozzles, which regulates the humidity in the greenhouse and reduces evaporation.

[0057] The fixed nozzle 13 has a height of 0.3 meters and a spray radius of 0.5-1 meters, which can provide precise root irrigation for crops with dispersed root systems (such as chili peppers); the telescopic nozzle 14 has an automatically adjustable height range of 1-2.5 meters and a spray radius of 2-4 meters, which is suitable for rice seedling cultivation or for cooling plants in high-temperature environments.

[0058] In some embodiments, the central control console 15 is communicatively connected to a smart terminal to receive user instructions and / or send status information of the irrigation system.

[0059] In this embodiment, the smart terminal can remotely control the central control console 15 by sending user commands to achieve adjustment; the smart terminal supports viewing real-time temperature and humidity curves and historical irrigation records.

[0060] In some embodiments, the temperature sensor 9 is installed at the environmental monitoring point of the greenhouse to monitor the temperature data inside the greenhouse in real time; the humidity sensor 8 is installed at the crop growth microenvironment monitoring point inside the greenhouse to monitor the humidity data of the crop growth microenvironment in real time.

[0061] Among them, the environmental monitoring points in the greenhouse include the heat-prevention area at the top of the greenhouse; the crop growth microenvironment monitoring points inside the greenhouse include the soil inside the greenhouse and the substrate inside the seedling trays.

[0062] The working principle of this embodiment is as follows:

[0063] The central control panel 15 acquires real-time monitoring data from the temperature sensor 9, humidity sensor 8, and water level sensor.

[0064] When the water level sensor detects that the water level in the water storage tank 7 is lower than the set lower limit, the central control panel 15 sends an opening command to the first solenoid valve, allowing external water to enter the water storage tank 7 through the inlet 705; at the same time, when the rainwater collection port 701 receives rainwater through the guide channel 5, the rainwater flows into the water storage tank 7 after being purified through three stages: the coarse filter 702, the activated carbon adsorption layer 703, and the precision filter membrane 704.

[0065] When the water level sensor detects that the water level in the water storage tank 7 is higher than the set upper limit, the central control panel 15 sends a closing command to the first solenoid valve to stop the external water supply from entering the water storage tank 7.

[0066] When the soil moisture is lower than the set lower limit, the central control panel 15 controls the second solenoid valve to open and simultaneously starts the water pump 10. The water flows through the water supply pipe 11 to the nozzle assembly. At this time, the fixed nozzle 13 uses a fan-shaped nozzle to precisely irrigate the roots of the crops with dispersed roots. The telescopic nozzle 14 sprays at different heights through a rotating atomizing nozzle until the soil moisture recovers to the set upper limit and then automatically shuts off the water pump 10.

[0067] When the temperature inside the greenhouse is higher than the set upper limit, the central control console 15 controls the second solenoid valve to open and simultaneously starts the water pump 10. The water flows through the water supply pipe 11 to the nozzle assembly. The central control console 15 first starts the telescopic nozzle 14, raising the telescopic nozzle 14 to a high position and atomizing at full power to spray water on the plants to cool them down. The water pump 10 is automatically turned off after the soil moisture returns to the set upper limit.

[0068] The third solenoid valve is opened under timed control of the central control panel 15, and the impurities trapped by the filter components in the water storage tank 7 are discharged through the drain port 707.

[0069] It should be noted that the beneficial effects of this utility model are derived from the hardware structure design in the above embodiments, rather than the software methods or algorithms executed thereon.

[0070] In summary, the above embodiments do not involve the formulation of strategies or the improvement of methods.

[0071] The above-described embodiments are merely one implementation of this utility model, and while the descriptions are specific and detailed, they should not be construed as limiting the scope of the utility model patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and these all fall within the protection scope of this utility model. Therefore, the protection scope of this utility model patent should be determined by the appended claims.

Claims

1. A high-low coordinated irrigation system for facility agriculture, comprising a greenhouse frame, characterized in that, It also includes a central control panel, temperature sensor, humidity sensor, and irrigation module; The irrigation module includes a water storage tank, a water pump, a water delivery pipe, and a sprinkler assembly; the temperature sensor, humidity sensor, water pump, water delivery pipe, and sprinkler assembly are all located inside the greenhouse frame; the water storage tank is located outside the greenhouse frame. The outlet of the water storage tank is sequentially connected to the inlet of the water pump, the water supply pipe, and the nozzle assembly; the outputs of the temperature sensor and the humidity sensor are electrically connected to the input of the central control panel, and the output of the central control panel is electrically connected to the input of the water pump. The nozzle assembly includes at least one fixed nozzle, at least one telescopic nozzle, and a telescopic rod for supporting and driving the telescopic nozzle to rise and fall; the top of the telescopic rod is connected to the telescopic nozzle, and the bottom of the telescopic rod is connected to the water supply pipe; the fixed nozzle is located below the telescopic nozzle and is connected to the inside of the telescopic rod.

2. The system according to claim 1, characterized in that, The telescopic rod includes an outer tube, an inner tube nested within the outer tube, and a drive assembly; Both the outer and inner pipes are hollow pipe structures, and the outer pipe is fixedly connected to the water supply pipe. The drive assembly is located inside the outer pipe. The input end of the drive assembly is electrically connected to the output end of the central control panel to drive the inner pipe to move linearly up and down relative to the outer pipe.

3. The system according to claim 1, characterized in that, The water storage tank includes a shell and a filter assembly disposed inside the shell; The top of the shell is provided with a rainwater collection port; the two sides of the shell are respectively provided with a water inlet and a water outlet; The outlet of the rainwater collection port and the inlet is connected to the inlet of the filter assembly; the outlet of the filter assembly is connected to the inlet of the inlet, the inlet of the inlet is also connected to an external water supply, and the outlet of the inlet is connected to the inlet of the water supply pipe. The filtration assembly consists of a coarse filter screen, an activated carbon adsorption layer, and a precision filter membrane, arranged sequentially from the inlet to the outlet.

4. The system according to claim 3, characterized in that, It also includes a water level sensor disposed on the inner wall of the housing; a first solenoid valve is disposed on the water inlet and a second solenoid valve is disposed on the water outlet; The output terminal of the water level sensor is electrically connected to the input terminal of the central control panel, and the input terminals of the first solenoid valve and the second solenoid valve are respectively electrically connected to the output terminal of the central control panel.

5. The system according to claim 3, characterized in that, The bottom of the housing is provided with a drain port, and a third solenoid valve is provided on the drain port. The input end of the third solenoid valve is electrically connected to the output end of the central control panel.

6. The system according to claim 3, characterized in that, It also includes a greenhouse film covering the greenhouse frame; the top of the outer side of the greenhouse film is provided with a guide channel for collecting rainwater; the outlet of the guide channel is connected to the inlet of the rainwater collection port through a guide pipe.

7. The system according to claim 1, characterized in that, The fixed nozzle is a fan-shaped nozzle; the telescopic nozzle is a rotary atomizing nozzle.

8. The system according to claim 1, characterized in that, The central control console is communicatively connected to the smart terminal.

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