CN1515147A - Intelligent water-saving irrigation system based on plant organ microsize change detection - Google Patents
Intelligent water-saving irrigation system based on plant organ microsize change detection Download PDFInfo
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- CN1515147A CN1515147A CNA031506909A CN03150690A CN1515147A CN 1515147 A CN1515147 A CN 1515147A CN A031506909 A CNA031506909 A CN A031506909A CN 03150690 A CN03150690 A CN 03150690A CN 1515147 A CN1515147 A CN 1515147A
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Abstract
The present invention discloses an intelligent water-saving irrigation system based on plant organ microsize change detection. It is formed from sensor, conversion amplification circuit and chip microprocessor measuring control communication system. The sensor can be mounted and held on the typical leaf or fruit of tested plant, and the measuring signal outputted by sensor can be transferred into convertion amplification circuit, and amplified, then transferred into the microprocessor, and transferred into main control computer at regular time, according to the result obtained for processing and analyzing measured data the main control computer can define that the electroni switch of said irrigation system is switched on or not so as to implement closed loop control of irrigated plant.
Description
Affiliated technical field
The present invention relates to water-saving irrigation field and sensing observation and control technology field, particularly relate to a kind of intelligent water-saving irrigation system that detects that changes based on the plant organ micro-dimension.
Background technology
Present irrigation system all is the control parameter of the parameters such as temperature of humidity, environment with soil as irrigation system, be not direct parameter, so control accuracy is low, and the problem of bringing is that the irrigation water resource has been caused very big waste.That is to say that mostly former work is to focus on according to the soil water assigns to formulate irrigation program or set up irrigation system in soil one plant one atmosphere continuous system (SPAC).Although obtain using comparatively widely according to soil moisture control irrigation, but still exist and much to be difficult to the difficulty that overcomes, suitable soil moisture for different areas, plant, soil types and plant normal growth differs greatly on the one hand, uses and is limited to.On the other hand, the moisture transducer probe is vulnerable to the interference of multiple factors such as temperature, salt accumulation, and certainty of measurement, response characteristic (comprising hysteresis quality) and reliability are also relatively poor.In fact, soil moisture only is a factor among the SPAC, and the process of plant suction and dehydration is each organ of plant itself and the result of its place environmental interaction, and is subjected to the comprehensive function of each link of SPAC.
At the problems referred to above, the nondestructive plant moisture precise detection technology based on physical method is proposed, realize the closed-loop control irrigation system, the utilization ratio that improves China's water resource is had very important significance.Have in being specifically related to: the research of the little increment flexible measuring of plant organ micron order sensor; Accurate corresponding relation between plant moisture and the little increment changing value of its organ geometric scale; Sensor networkization and Based Intelligent Control water-saving irrigation expert system.The existing researcher of China just used LVDT-5 type (differential transformer type) displacement transducer corn, citrus etc. is measured at the nineties initial stage in 20th century, had obtained 15.6% and 21.4% water-saving result respectively.But LVDT is used for the mechanical manufacturing field industry measurement, and Measurement Resolution and precision can meet the demands, but indexs such as ergometry, volume and anti-environmental disturbances ability but can't satisfy the actual requirement to plant measurement.China fruit tree forest workers measures the citrus size with outside micrometer, works as if find that fruit size does not change (increase) in vegetative period, just fruit tree is in time poured water.But the research level of all things considered this respect China with compared big gap abroad.Recently, the scientist of Hebrew Univ Jerusalem Israel also tests aspect the irrigation system of tomato at application micron order vane thickness sensor, obtain water-saving rate 35%, increased production 40% effect, though also do not reach the degree of practicability at present, the international research latest tendency is represented in this research.Think by analysis: also there are a lot of problems in the micro-displacement sensor that can reach this magnitude at present, and as certainty of measurement and measurement category, ergometry, measurement environment, and all there are contradiction in sensor construction, weight aspect.If the advanced technology of energy integrated use industry measurement field tests, adopt modern Design such as optimal design, design of Simulation, research and development take into full account the characteristics of plant own, meet the novel sensor that plant detects demand, and the problems referred to above will rationally be solved.Then this research just can be applied fast, is China's water-saving irrigation service early.At present, the micron order in the industry measurement is measured and has been reached suitable maturity.Be transplanted to the crossing domain of life science and river construction after this class technology integrated, and develop, have fabulous novelty and practicality according to functional requirement.
Summary of the invention
The purpose of this invention is to provide a kind of intelligent water-saving irrigation system that variation detects based on the plant organ micro-dimension,, need to obtain water information go to control irrigation system, then can reach the purpose of real water saving by the trace variation of the organ of plant own.
In order to achieve the above object, the technical solution used in the present invention is as follows:
Scheme 1: it is made up of sensor, converter amplifier circuit, scm observe and control communication system; Said sensor is a blade sensor, and wherein, blade sensor comprises flexible member, spheric probe, foil gauge, flexible member pressing plate, fixedly gauge head, swash plate, sensor base; Be contained in and spheric probe be housed below the front end of the flexible member above the sensor base, on the top and bottom, rear end of flexible member foil gauge is housed respectively; Be contained in above the front end inclined-plane of the swash plate below the sensor base, the fixedly gauge head that can regulate horizontal level is housed, fixedly gauge head can contact with spheric probe, flexible member pressing plate, flexible member, sensor base and swash plate are affixed with trip bolt, two foil gauges are connected with signal cable through the electrical wiring plates, and the single line in the signal cable is held with the in-phase input end MVIN of the follow-up amplifier of the front end of converter amplifier circuit and linked to each other.
Scheme 2: it is made up of sensor, converter amplifier circuit, scm observe and control communication system; Said sensor is the fruit sensor, and wherein, the fruit sensor comprises shell, stator, hairspring, slider, rotor, movable gauge head, fixing gauge head; The stator that matches with internal diameter of outer cover is an annular resistor; Elastic two sliders that contact with diameter of stator bore are installed in above the external diameter of rotor, and movable gauge head also is installed on the rotor by screw, and movable gauge head drives rotor rotation; Hairspring one end is installed on the stator, and the other end is installed on the rotor, and fixedly gauge head cooperates with mandrel; The differential voltage holding wire of slider connects cable, and two lines in the signal cable link to each other with the in-phase input end of two follow-up amplifiers of converter amplifier circuit front end respectively.
The present invention compares with background technology, and the useful effect that has is:
(1) by the organ blade of plant itself and the sensor of the little increment measurement of fruit are detected the plant moisture change information, implement to irrigate, also can utilize plant that the rule that needs of moisture is implemented to irrigate in the critical condition of lack of water:
(2) under the constant prerequisite of the present irrigation pipe network of China, itself constitute the FEEDBACK CONTROL link, form closed-loop control system, the control accuracy height by the controlled device plant; The advantage of bringing is that water-saving result is good, and the expection water-saving rate is 30%.Can bring tangible economic benefit and social benefit;
(3) can be installed in the indoor and outdoor irrigation systems such as intelligent greenhouse and modern agriculture base, be suitable for crops such as corn, wheat, soybean, fancy fruit saplings such as broad-leaved fast growing forest seedlings such as willow and Li Tao grape, and part landscape flower lawn plant etc.
(4) after the gauge head of fruit sensor is changed, can realize measurement to the cane diameter.
Obviously, compare with the variation of soil moisture, form or the physiological change of plant organ such as leaf, stem, fruit etc., then can be more direct, more comprehensively, quicker, react the situation of the moisture in the plant corpus more delicately.Like this, the measurement of diagnosis of plant moisture can be converted into the research of the certainty of measurement and the mutual corresponding rule of micro-displacement sensor.The irrigation system of Zu Chenging is an optimal control system like this, can improve the utilization ratio of irrigation water, promptly reaches the purpose of water saving.
Description of drawings
Fig. 1 is a structured flowchart of the present invention;
Fig. 2 is a vane thickness measuring transducer structure principle chart;
Fig. 3 is a fruit diameter measuring transducer structure principle chart;
Fig. 4 is converter amplifier circuit figure;
Fig. 5 is scm observe and control communication system circuit figure.
Among Fig. 2: 1 flexible member, 2 spheric probes, 3 foil gauges, 4 trip bolts, 5 flexible member pressing plates, 6 cable pressing plates, 7 cable clamp screws 8 are gauge head 9 screws 10 swash plates 11 matrixes 12 electrical wiring plates 13 three-core shielding cables fixedly
Among Fig. 3: 14 shell 15 four-core shielded cables, 16 stators (resistance ring) 17 sliders, 18 hairsprings (reaction spring), 19 rotors (movable gauge head fixed disk), 20 bearing assemblies, 21 screws, 22 mandrels, 23 movable gauge heads 24 are gauge head fixedly
Embodiment
As shown in Figure 2, it is made up of sensor, converter amplifier circuit, scm observe and control communication system; Said sensor is a blade sensor, and wherein, blade sensor comprises flexible member 1, spheric probe 2, foil gauge 3, flexible member pressing plate 5, fixedly gauge head 8, swash plate 10, sensor base 11; Be contained in and spheric probe 2 be housed below the front end of the flexible member 1 above the sensor base 11, on the top and bottom, rear end of flexible member 1 foil gauge 3 is housed respectively; Be contained in above the front end inclined-plane of the swash plate 10 below the sensor base 11, the fixedly gauge head 8 that can regulate horizontal level is housed, with screw 9 lockings, fixedly gauge head 8 can contact with spheric probe 2, flexible member pressing plate 5, flexible member 1, sensor base 9 and swash plate 10 4 usefulness trip bolts 4 are affixed, two foil gauges 3 are connected with signal cable 13 through electrical wiring plate 12, signal cable 13 usefulness cable pressing plates 6 are pushed down with cable clamp screw 7 and are clamped, the single line in the signal cable 13 again with the front end follow-up amplifier U of converter amplifier circuit
1In-phase input end MVIN end link to each other.
As shown in Figure 3, it is made up of sensor, converter amplifier circuit, scm observe and control communication system; Said sensor is the fruit sensor, and wherein, the fruit sensor comprises shell 14, stator 16, hairspring 18, slider 17, rotor 19, movable gauge head 23, fixing gauge head 24; The stator 16 that matches with shell 14 internal diameters is annular resistor; Elastic two sliders 17 that contact with stator 16 internal diameters are installed in above the external diameter of rotor 19, and movable gauge head 23 also is installed on the rotor 19 by screw, and movable gauge head 23 drives rotor 19 and rotates; Hairspring 18 1 ends are installed on the stator 16, and the other end is installed on the rotor 19, and fixedly gauge head 24 cooperates with mandrel 2; The differential voltage holding wire of slider 17 connects cable 15, two lines in the signal cable 15 respectively with two follow-up amplifier U of converter amplifier circuit front end
1, U
2In-phase input end link to each other.
Look the actual conditions difference, one group (several) are clamped in by on the representational blade of measuring plants or the fruit as Fig. 1, Fig. 2 and sensor shown in Figure 3, sensor needs to connect support by auxiliary stand, tested blade or fruit will suitably fixedly make it have certain stability, to guarantee certainty of measurement.The measuring-signal of sensor output is transferred to and is installed in the converter amplifier circuit of measuring in the control electronic box, and to sensor shown in Figure 2, its output signal is a terminal, directly links to each other with MVIN end among Fig. 3 by the single line in the 3 core cables.To sensor shown in Figure 3, its output signal is two terminals, by two lines in the quad and the voltage follow-up amplifier U among Fig. 4
1, U
2In-phase input end link to each other, but resistance R
1, R
2, P
1Three elements will be removed.U
1, U
2The signal of output is through differential amplifier U
3The back is from the output of MVOUT end, the IN end of the CD4051 analog switch (four select 1) among this end and Fig. 5 links to each other, select tested passage by the CD4051 analog switch, signal behind analog switch enters the input IN+ of 14 A/D converter ICL7135, behind the digital quantity process latch 74LS373 after the A/D conversion, send in the memory 2864 by Single-chip Controlling, and the current measured value of demonstration in the liquor charging crystalline substance, storage is one month measurement data of 4 passages in 2864, the measured value that select to show each passage in month of storage in the measured value or 2864 of current any one passage by the function button on the control cabinet, data with storage in 2864 regularly are transferred in the master control host computer by serial port RS232 simultaneously, transmit the measured value of 4 passages at every turn.After in calculator the data of slave computer being carried out statistic sampling and filtering etc. and handle, the form by polygram and form shows any passage measured value or former any one day measured value on the same day.Storing in the calculator by the growth curve of measuring plants, when measured value and growth curve generation deviation, just send remote control commands, open the control valve of irrigation system by relay, plant is carried out microspray irrigation or micro drip-irrigation, irrigation time and frequency are controlled by main control computer.Thereby realized real closed-loop control, can maximally utilise irrigation water.
Claims (2)
1, a kind of intelligent water-saving irrigation system that variation detects based on the plant organ micro-dimension is made up of sensor, converter amplifier circuit, scm observe and control communication system; It is characterized in that: said sensor is a blade sensor, and wherein, blade sensor comprises flexible member (1), spheric probe (2), foil gauge (3), flexible member pressing plate (5), fixedly gauge head (8), swash plate (10), sensor base (11); Be contained in and spheric probe (2) be housed below the front end of the flexible member (1) above the sensor base (11), foil gauge (3) is housed respectively on the top and bottom, rear end of flexible member (1); Be contained in above the front end inclined-plane of the following swash plate (10) of sensor base (9), the fixedly gauge head (8) that can regulate horizontal level is housed, fixedly gauge head (8) can contact with spheric probe (2), flexible member pressing plate (5), flexible member (1), sensor base (9) and swash plate (10) four usefulness trip bolts (4) are affixed, two foil gauges (3) are connected with signal cable (13) through electrical wiring plates (12), and the single line in the signal cable (13) is held with the in-phase input end MVIN of the front end follow-up amplifier (U1) of converter amplifier circuit and linked to each other.
2, a kind of intelligent water-saving irrigation system that variation detects based on the plant organ micro-dimension is made up of sensor, converter amplifier circuit, scm observe and control communication system; It is characterized in that: said sensor is the fruit sensor, and wherein, the fruit sensor comprises shell (14), stator (16), hairspring (18), slider (17), rotor (19), movable gauge head (23), fixing gauge head (24); The stator (16) that matches with shell (14) internal diameter is an annular resistor; Elastic two sliders (17) that contact with stator (16) internal diameter are installed in above the external diameter of rotor (19), and movable gauge head (23) also is installed on the rotor (19) by screw, and movable gauge head (23) drives rotor (19) and rotates; Hairspring (18) one ends are installed on the stator (16), and the other end is installed on the rotor (19), and fixedly gauge head (24) cooperates with mandrel (22); Differential voltage signal that slider (17) picks up inserts signal cable (15), two lines in the signal cable (15) respectively with two follow-up amplifier (U of converter amplifier circuit front end
1, U
2) in-phase input end link to each other.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03150690 CN1215758C (en) | 2003-08-25 | 2003-08-25 | Intelligent water-saving irrigation system based on plant organ microsize change detection |
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| CN 03150690 CN1215758C (en) | 2003-08-25 | 2003-08-25 | Intelligent water-saving irrigation system based on plant organ microsize change detection |
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| CN1515147A true CN1515147A (en) | 2004-07-28 |
| CN1215758C CN1215758C (en) | 2005-08-24 |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100342206C (en) * | 2004-09-07 | 2007-10-10 | 中国农业科学院农田灌溉研究所 | Plant stalk diameter variation measuring transmitter |
| CN102243069A (en) * | 2011-06-22 | 2011-11-16 | 华南农业大学 | Method and device for determining leaf area index |
| CN102980848A (en) * | 2012-11-16 | 2013-03-20 | 中国计量学院 | Electronic tooth type rapid measuring method of frozen grain moisture |
| CN103439187A (en) * | 2013-09-04 | 2013-12-11 | 中国农业科学院农田灌溉研究所 | Stem diameter variation monitoring transmitter for crop moisture state |
| CN103512494A (en) * | 2013-07-16 | 2014-01-15 | 宁波职业技术学院 | Visual inspection system and method for scale micro changes of plant fruits |
| CN103826437A (en) * | 2011-07-27 | 2014-05-28 | 陶氏益农公司 | Plant growth kinetics captured by motion tracking |
| CN105518546A (en) * | 2013-09-06 | 2016-04-20 | 胡斯华纳有限公司 | Sprinkler control system |
| CN106525127A (en) * | 2016-11-10 | 2017-03-22 | 广东东软学院 | Device for monitoring growth of root tuber plant roots |
| CN109997680A (en) * | 2017-12-27 | 2019-07-12 | 株式会社安川电机 | Plant cultivation system and plant cultivation method |
-
2003
- 2003-08-25 CN CN 03150690 patent/CN1215758C/en not_active Expired - Fee Related
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100342206C (en) * | 2004-09-07 | 2007-10-10 | 中国农业科学院农田灌溉研究所 | Plant stalk diameter variation measuring transmitter |
| CN102243069B (en) * | 2011-06-22 | 2013-05-01 | 华南农业大学 | Method and device for determining leaf area index |
| CN102243069A (en) * | 2011-06-22 | 2011-11-16 | 华南农业大学 | Method and device for determining leaf area index |
| CN103826437A (en) * | 2011-07-27 | 2014-05-28 | 陶氏益农公司 | Plant growth kinetics captured by motion tracking |
| CN102980848A (en) * | 2012-11-16 | 2013-03-20 | 中国计量学院 | Electronic tooth type rapid measuring method of frozen grain moisture |
| CN103512494A (en) * | 2013-07-16 | 2014-01-15 | 宁波职业技术学院 | Visual inspection system and method for scale micro changes of plant fruits |
| CN103512494B (en) * | 2013-07-16 | 2017-02-08 | 宁波职业技术学院 | Visual inspection system and method for scale micro changes of plant fruits |
| CN103439187A (en) * | 2013-09-04 | 2013-12-11 | 中国农业科学院农田灌溉研究所 | Stem diameter variation monitoring transmitter for crop moisture state |
| CN105518546A (en) * | 2013-09-06 | 2016-04-20 | 胡斯华纳有限公司 | Sprinkler control system |
| CN105518546B (en) * | 2013-09-06 | 2018-02-02 | 胡斯华纳有限公司 | Spray irrigation control system |
| US10433502B2 (en) | 2013-09-06 | 2019-10-08 | Husqvarna Ab | Sprinkler control system |
| CN106525127A (en) * | 2016-11-10 | 2017-03-22 | 广东东软学院 | Device for monitoring growth of root tuber plant roots |
| CN106525127B (en) * | 2016-11-10 | 2019-05-24 | 广东东软学院 | A kind of growth monitoring device of root crops root |
| CN109997680A (en) * | 2017-12-27 | 2019-07-12 | 株式会社安川电机 | Plant cultivation system and plant cultivation method |
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| Publication number | Publication date |
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| CN1215758C (en) | 2005-08-24 |
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