CN101937221A - Moisture and nutrient wireless monitoring network for soilless culture medium - Google Patents
Moisture and nutrient wireless monitoring network for soilless culture medium Download PDFInfo
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- CN101937221A CN101937221A CN201010254412XA CN201010254412A CN101937221A CN 101937221 A CN101937221 A CN 101937221A CN 201010254412X A CN201010254412X A CN 201010254412XA CN 201010254412 A CN201010254412 A CN 201010254412A CN 101937221 A CN101937221 A CN 101937221A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Abstract
The invention discloses a moisture and nutrient wireless monitoring system for a soilless culture medium. The system consists of a sink node (2), a network management microcomputer (1), a cluster node (3), a moisture and nutrient wireless control node (4) and a medium moisture and nutrient integrated wireless detection node (5), wherein the sink node (2) is in wire connection with the microcomputer (1) through an RS232 serial interface and is directly and wirelessly communicated with the sink node (2) or indirectly and wirelessly communicated with the sink node (2) in a multi-hop mode; the moisture and nutrient wireless control node (4) is directly and wirelessly communicated with the cluster node (3) or indirectly and wirelessly communicated with the cluster node (3) in the multi-hop mode; and the medium moisture and nutrient integrated wireless detection node (5) is directly and wirelessly communicated with the moisture and nutrient wireless control node (4) or indirectly and wirelessly communicated with the moisture and nutrient wireless control node (4) in the multi-hop mode. By the technical scheme provided by the invention, the network has the advantages of flexible configuration, convenient integration and high automation degree.
Description
Technical field
The present invention relates to a kind of wireless monitor network, relate in particular in the soilless culture process wireless network to water supply in media, nutrient parameter in situ detection and regulation and control, belong to the observation and control technology field, be mainly used in soilless culture process mesostroma moisture, nutrient wireless monitoring management.
Background technology
In today of modern installations agricultural develop rapidly, the soilless culture planting patterns more and more is used widely.Wherein substrate culture is the main flow of soilless culture, and slot type, pocket type and basin type cultivation mode are arranged, drip irrigation and top layer flood irrigation cultural method.At present substrate soiless cultivation moisture, the relevant in situ detection sensor of nutrient and instrument seldom, the monitoring and the adjusting device of soil humidity, EC and pH value lack very much, have restricted seriously that the soilless culture planting patterns is used and popularization.
Soil moisture in situ detection sensor and instrument have: neutron measurement soil moisture instrument, because radioactive source is arranged, require the pre-buried aluminum casing of putting into inserting tube well of in-site measurement point, and shield, otherwise cause radiation leakage, be detrimental to health contaminated environment; Time domain and frequency domain reflectometry soil water measuring instrument can be realized measuring in real time fast, and the precision height because technology realizes that difficulty is big, therefore costs an arm and a leg, and is not suitable for large scale application; Soil water-containing flowmeter or meter at a low price, as passive soil moisture tacheometer of utility model patent (CN2339988Y) and Related product, function singleness, measuring error is big, poor stability.
Soil nutrient in situ detection sensor and instrument have: the method that the four-end method soil conductivity is measured has probe electrode formula and ring electrode formula.As utility model patent (CN2627503), a kind of probe electrode formula soil conductivity real-time detector is disclosed, volume is bigger, and is portable poor; As utility model patent (CN200972465Y), a kind of ring electrode formula four electrode soil salt determination sensor and analyzers thereof, and EC/ ℃ of product such as analyzer HI98331 of tailored version pen type, the direct mensuration that can be used for soil conductivity, volume is less, but measurement accuracy, stability and not good in actual applications for different levels deep soil mensuration adaptability.Also have in addition based on the contactless soil conductivity of electromagnetic induction principle and survey sensor and instrument, the EM38 that typical case's representative products has Canada to produce, can finish measurement by transversal scanning, but cost an arm and a leg, can't adapt to the needs of large tracts of land agricultural production the farmland.
But no matter the sort of planting type and method, owing to lack water supply in media, nutrient in-situ detection method quick and precisely, in actual production, do not have to realize to cultivation matrix moisture, nutrient effective monitoring, cause crop water and fertilizer irrigation not science, problem such as water and fertilizer utilization is low and the cultivation matrix salination is serious.
Summary of the invention
The objective of the invention is to disclose a kind of soilless culture substrate moisture, nutrient wireless monitor network, realization is effectively automatically-monitored and management to cultivation matrix moisture, nutrient, solves crop water and fertilizer irrigation not science, problem such as water and fertilizer utilization is low and the cultivation matrix salination is serious.
To achieve these goals, the present invention includes and be configured in poly-node of management machine room internal exchange and network management microcomputer, be configured in leader cluster node, moisture and nutrient wireless control node and water supply in media and nutrient integrated wireless detection node composition in each soilless culture facility, aggregation node is by RS232 serial line interface microcomputer wired connection, directly or by the multi-hop mode indirectly and the aggregation node radio communication; Moisture and nutrient wireless control node are directly or by the multi-hop mode indirectly and the leader cluster node radio communication; Water supply in media and nutrient integrated wireless detection node are directly or by the multi-hop mode indirectly and moisture and nutrient wireless control node radio communication.
Described wireless monitor program of the present invention comprises the setting of parameter prescription, running state monitoring, operational factor control, the inquiry of historical data and operational factor trend curve Presentation Function module and interface.
Aggregation node of the present invention, leader cluster node are made up of NRF9E5 wireless singlechip and wireless communicator thereof, serial line interface, dry battery power; Wireless singlechip serial input/outlet drives generation standard RS-232 serial port by serial line interface, with the serial communication of network management microcomputer, by radio communication mouth and leader cluster node radio communication; Leader cluster node is by radio communication mouth and moisture and nutrient wireless control node radio communication.
Moisture of the present invention and nutrient wireless control node are made up of NRF9E5 wireless singlechip and wireless communicator thereof, moisture electro hydraulic valve, nutrient electro hydraulic valve, valve-driving circuit, dry battery power; Receive control command and running parameter on the one hand by the radio communication mouth, duty and each detected parameters are returned to the network management microcomputer monitoring, on the other hand, with several water supply in media and nutrient integrated wireless detection node radio communication, gather the water supply in media and the nutrient parameter of institute control area, require to carry out moisture and the regulation and control of nutrient closed loop according to the crop soilless culture.
Moisture of the present invention and nutrient wireless control node program comprise initialization, regularly radio communication judgement, multi-hop forwarding communication process, reception wireless command, reception Information Monitoring, timing parameters control judgement and water parameters is controlled, nutrient parameter control function subroutine.
Water supply in media of the present invention and nutrient integrated wireless detection node are made up of NRF9E5 wireless singlechip and wireless communicator, signal processing circuit, moisture and nutrient integrated sensor, excitation power supply change-over circuit, dry battery power; The water supply in media of timing acquiring region and nutrient parameter, and be defeated by moisture and nutrient wireless control node by the radio communication oral instructions.
Water supply in media of the present invention and nutrient integrated wireless detection node program comprise initialization, regularly radio communication is judged, multi-hop is transmitted communication process, receive wireless command, send Information Monitoring, definition status collection judgement and moisture state collection, nutrient status acquisition function subroutine.
Beneficial effect of the present invention is: moisture, nutrient Detection ﹠ Controling node configuration are flexible, with the integrated convenience of existing cultivation apparatus without soil, and the moisture of matrix, nutrient monitoring automation degree height.
Description of drawings
Fig. 1 is that soilless culture substrate moisture of the present invention, nutrient wireless monitor network are formed structural drawing
Fig. 2 is that aggregation node of the present invention and leader cluster node are formed structural drawing
Fig. 3 is that moisture of the present invention and nutrient wireless control node are formed structural drawing
Fig. 4 is that water supply in media of the present invention and nutrient integrated wireless detection node are formed structural drawing
Fig. 5 is the program function block diagram of soilless culture substrate moisture of the present invention, nutrient wireless monitor network monitoring management computer
Fig. 6 is water supply in media of the present invention and nutrient wireless control node program flow diagram
Fig. 7 is water supply in media of the present invention and nutrient integrated wireless detection node program flow diagram
Embodiment
Below in conjunction with the drawings and specific embodiments the present invention is described in further detail.
As shown in Figure 1, a kind of soilless culture substrate moisture of the present invention, nutrient wireless monitor network, comprise: be configured in poly-node 2 of management machine room internal exchange and network management microcomputer 1, be configured in leader cluster node 3, moisture and nutrient wireless control node 4 and water supply in media and nutrient integrated wireless detection node 5 compositions in each soilless culture facility, aggregation node 2 is by RS232 serial line interface microcomputer 1 wired connection; Leader cluster node 3 can directly or pass through indirect and aggregation node 2 radio communications of multi-hop mode according to 1 of per 100 square metres of configuration, and wireless communication distance is at 50 meters; Moisture and nutrient wireless control node 4 can directly or pass through indirect and leader cluster node 3 radio communications of multi-hop mode according to 1 of per 50 square metres of configuration, and wireless communication distance is at 25 meters; Water supply in media and nutrient integrated wireless detection node 5 can directly or be passed through multi-hop mode indirect and moisture and nutrient wireless control node 4 radio communications according to 1 of per 10 square metres of configuration, and wireless communication distance is at 10 meters.
As shown in Figure 2, aggregation node 2 of the present invention, leader cluster node 3, comprise NRF9E5 wireless singlechip and wireless communicator thereof, serial line interface, dry battery power, wireless singlechip serial input/outlet drives generation standard RS-232 serial port by serial line interface, and power supply is powered to each several part; Aggregation node 2 is by RS-232 serial line interface and 1 serial communication of network management microcomputer, by radio communication mouth and leader cluster node 3 radio communications; Leader cluster node 3 is by radio communication mouth and moisture and nutrient wireless control node 4 radio communications.
As shown in Figure 3, moisture of the present invention and nutrient wireless control node 4, comprise NRF9E5 wireless singlechip and wireless communicator thereof, the moisture electro hydraulic valve, the nutrient electro hydraulic valve, valve-driving circuit, dry battery power, receive control command and running parameter on the one hand by the radio communication mouth, duty and each detected parameters are returned to microcomputer 1 supervision, on the other hand, with several water supply in media and nutrient integrated wireless detection node 5 radio communications, gather the water supply in media and the nutrient parameter of institute control area, require to carry out moisture and the regulation and control of nutrient closed loop according to the crop soilless culture.
As shown in Figure 4, water supply in media of the present invention and nutrient integrated wireless detection node 5, comprise NRF9E5 wireless singlechip and wireless communicator thereof, signal processing circuit, water supply in media and nutrient integrated sensor, excitation power supply change-over circuit, dry battery power, the water supply in media and the nutrient parameter of water supply in media and nutrient integrated wireless detection node 5 timing acquiring regions, and be defeated by moisture and nutrient wireless control node 4 by the radio communication oral instructions.
As shown in Figure 5, soilless culture substrate moisture of the present invention, nutrient wireless monitor network comprise functional module and interfaces such as the setting of parameter prescription, running state monitoring, operational factor control, the inquiry of historical data and the demonstration of operational factor trend curve.
As shown in Figure 6, water supply in media of the present invention and nutrient wireless control node program comprise initialization, regularly radio communication judgement, multi-hop forwarding communication process, receive function subprograms such as wireless command, reception Information Monitoring, timing parameters control judgement and moisture control, nutrient control.
As shown in Figure 7, water supply in media of the present invention and nutrient integrated wireless detection node program comprise initialization, regularly radio communication is judged, multi-hop is transmitted communication process, receive wireless command, send Information Monitoring, definition status collection judgement and moisture state collection, nutrient status acquisition function subroutine.
The present invention regularly collects water supply in media and the nutrient information that each radio detection node is gathered by operation microcomputer network supervisor, realizes moisture, nutrient wireless surveillance to soilless culture process mesostroma; According to crop soilless culture requirement, by each wireless control node, control moisture and nutrient drip irrigation or flood irrigation electro hydraulic valve are realized the moisture of soilless culture process mesostroma, the wireless regulation and control of nutrient.
Claims (7)
1. a soilless culture substrate moisture, nutrient wireless monitor network, comprise and be configured in poly-node (2) of management machine room internal exchange and network management microcomputer (1), be configured in leader cluster node (3), moisture and nutrient wireless control node (4) and water supply in media and nutrient integrated wireless detection node (5) composition in each soilless culture facility, it is characterized in that: aggregation node (2) is by RS232 serial line interface microcomputer (1) wired connection, directly or by the multi-hop mode indirectly and aggregation node (2) radio communication; Moisture and nutrient wireless control node (4) are directly or by the multi-hop mode indirectly and leader cluster node (3) radio communication; Water supply in media and nutrient integrated wireless detection node (5) are directly or by the multi-hop mode indirectly and moisture and nutrient wireless control node (4) radio communication.
2. soilless culture substrate moisture according to claim 1, nutrient wireless monitor network is characterized in that: described wireless monitor program comprises the setting of parameter prescription, running state monitoring, operational factor control, the inquiry of historical data and operational factor trend curve Presentation Function module and interface.
3. soilless culture substrate moisture according to claim 1, nutrient wireless monitor network is characterized in that: aggregation node (2), leader cluster node (3) are made up of NRF9E5 wireless singlechip and wireless communicator thereof, serial line interface, dry battery power; Wireless singlechip serial input/outlet drives generation standard RS-232 serial port by serial line interface, with network management microcomputer (1) serial communication, by radio communication mouth and leader cluster node (3) radio communication; Leader cluster node (3) is by radio communication mouth and moisture and nutrient wireless control node (4) radio communication.
4. soilless culture substrate moisture according to claim 1, nutrient wireless monitor network is characterized in that: moisture and nutrient wireless control node (4) are made up of NRF9E5 wireless singlechip and wireless communicator thereof, moisture electro hydraulic valve, nutrient electro hydraulic valve, valve-driving circuit, dry battery power; Receive control command and running parameter on the one hand by the radio communication mouth, duty and each detected parameters are returned to network management microcomputer (1) supervision, on the other hand, with several water supply in media and nutrient integrated wireless detection node (5) radio communication, gather the water supply in media and the nutrient parameter of institute control area, require to carry out moisture and the regulation and control of nutrient closed loop according to the crop soilless culture.
5. soilless culture substrate moisture according to claim 4, nutrient wireless monitor network is characterized in that described moisture and nutrient wireless control node (4) program comprise initialization, regularly radio communication judgement, multi-hop forwarding communication process, reception wireless command, reception Information Monitoring, timing parameters control judgement and water parameters is controlled, nutrient parameter control function subroutine.
6. soilless culture substrate moisture according to claim 1, nutrient wireless monitor network is characterized in that: water supply in media and nutrient integrated wireless detection node (5) are made up of NRF9E5 wireless singlechip and wireless communicator, signal processing circuit, moisture and nutrient integrated sensor, excitation power supply change-over circuit, dry battery power; The water supply in media of timing acquiring region and nutrient parameter, and be defeated by moisture and nutrient wireless control node (4) by the radio communication oral instructions.
7. soilless culture substrate moisture according to claim 6, nutrient wireless monitor network is characterized in that: water supply in media and nutrient integrated wireless detection node (5) program comprise initialization, regularly radio communication is judged, multi-hop is transmitted communication process, receive wireless command, send Information Monitoring, definition status collection judgement and moisture state collection, nutrient status acquisition function subroutine.
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| CN201010254412XA CN101937221A (en) | 2010-08-16 | 2010-08-16 | Moisture and nutrient wireless monitoring network for soilless culture medium |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103782876A (en) * | 2014-01-20 | 2014-05-14 | 中国科学院地球化学研究所 | Intelligent, automatic and efficient drip irrigation system meeting requirement of soil for water and nutrients |
| CN110208139A (en) * | 2019-06-26 | 2019-09-06 | 北京农业智能装备技术研究中心 | A kind of water supply in media sticking characteristic curve measuring device and its application method |
| CN111693092A (en) * | 2020-06-12 | 2020-09-22 | 响水县春秋园农副产品有限公司 | Intelligent plant water planting environmental parameter detecting system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103782876A (en) * | 2014-01-20 | 2014-05-14 | 中国科学院地球化学研究所 | Intelligent, automatic and efficient drip irrigation system meeting requirement of soil for water and nutrients |
| CN110208139A (en) * | 2019-06-26 | 2019-09-06 | 北京农业智能装备技术研究中心 | A kind of water supply in media sticking characteristic curve measuring device and its application method |
| CN110208139B (en) * | 2019-06-26 | 2021-11-05 | 北京农业智能装备技术研究中心 | Substrate moisture holding characteristic curve measuring device and using method thereof |
| CN111693092A (en) * | 2020-06-12 | 2020-09-22 | 响水县春秋园农副产品有限公司 | Intelligent plant water planting environmental parameter detecting system |
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Application publication date: 20110105 |