CN103091502B - Mobile device for measuring soil fertility by multichannel ion selective electrode method - Google Patents
Mobile device for measuring soil fertility by multichannel ion selective electrode method Download PDFInfo
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- CN103091502B CN103091502B CN201110344124.8A CN201110344124A CN103091502B CN 103091502 B CN103091502 B CN 103091502B CN 201110344124 A CN201110344124 A CN 201110344124A CN 103091502 B CN103091502 B CN 103091502B
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- 239000002689 soil Substances 0.000 title claims abstract description 49
- 238000000034 method Methods 0.000 title claims abstract description 15
- 230000035558 fertility Effects 0.000 title claims abstract description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 38
- 238000001514 detection method Methods 0.000 claims abstract description 24
- 239000000523 sample Substances 0.000 claims description 103
- 150000002500 ions Chemical class 0.000 claims description 32
- 239000007788 liquid Substances 0.000 claims description 10
- 229910019142 PO4 Inorganic materials 0.000 claims description 5
- 239000010452 phosphate Substances 0.000 claims description 5
- 229910001414 potassium ion Inorganic materials 0.000 claims description 5
- 229910002651 NO3 Inorganic materials 0.000 claims description 4
- NPYPAHLBTDXSSS-UHFFFAOYSA-N Potassium ion Chemical compound [K+] NPYPAHLBTDXSSS-UHFFFAOYSA-N 0.000 claims description 4
- 239000008367 deionised water Substances 0.000 claims description 4
- 229910021641 deionized water Inorganic materials 0.000 claims description 4
- MPNNOLHYOHFJKL-UHFFFAOYSA-N peroxyphosphoric acid Chemical compound OOP(O)(O)=O MPNNOLHYOHFJKL-UHFFFAOYSA-N 0.000 claims description 4
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 claims description 3
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 2
- 238000005259 measurement Methods 0.000 abstract description 7
- 238000003756 stirring Methods 0.000 abstract description 6
- 235000015097 nutrients Nutrition 0.000 abstract description 5
- 238000005070 sampling Methods 0.000 abstract description 5
- 238000009826 distribution Methods 0.000 abstract description 3
- 230000035945 sensitivity Effects 0.000 abstract description 3
- 238000011160 research Methods 0.000 abstract description 2
- 238000004364 calculation method Methods 0.000 abstract 1
- 230000001360 synchronised effect Effects 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 4
- 238000011010 flushing procedure Methods 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000010365 information processing Effects 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000009514 concussion Effects 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 235000021049 nutrient content Nutrition 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- MMDJDBSEMBIJBB-UHFFFAOYSA-N [O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O.[NH6+3] Chemical compound [O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O.[NH6+3] MMDJDBSEMBIJBB-UHFFFAOYSA-N 0.000 description 1
- 238000012271 agricultural production Methods 0.000 description 1
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000000476 body water Anatomy 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009313 farming Methods 0.000 description 1
- 230000008635 plant growth Effects 0.000 description 1
- 230000009885 systemic effect Effects 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
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Abstract
The invention discloses a mobile device for measuring soil fertility by a multichannel ion selective electrode method. The mobile device comprises a casing of which a lower end is not closed, a traction device which is arranged at a front end of the casing and is connected to an automotive vehicle, a control panel which is arranged above a rear end of the casing, and a split water tank which is installed on the top of the casing. The mobile device is characterized in that road wheels are arranged at two ends of the bottom of the casing; a slope-type V-shaped plowshare is installed below the front end bottom of the casing by a rotation shaft; the rotation shaft controls the slope-type V-shaped plowshare to carry out soil rotation shoveling and dumping; and a GPS is arranged on the casing top close to a split water tank side. The mobile device can freely move in the field, can realize controllable and continuous fixed point soil collection, stirring, detection, calculation and process recording, does not produce the pollution, is suitable for multipoint continuous sampling detection in a large-area field, has high sensitivity and short response time, can realize fixed-point real-time accurate soil measurement, utilizes multichannel ion selective electrodes to carry out synchronous measurement, and can simultaneously research content distribution of a plurality of nutrients in soil.
Description
Technical field
The present invention relates to a kind of sensor measurement soil fertility device, an a kind of mobile device of measuring soil fertility based on hyperchannel ion selective electrode method of soil nutrient sensor specifically, multiple nutrient (nitrate nitrogen, ammonium nitrogen, phosphate radical, peroxophosphoric acid root, potassium ion and the pH value) content that is mainly used in soil fertility carries out in real time, online, contamination-freely mobile detection.
Background technology
Precision agriculture is the hot fields of research of agricultural science in the world in recent years, it is the emerging agrotechnique that modern information technologies, biotechnology, agricultural cience and farming techniques and agricultural machinery engineering equipment technology are combined, it is comprised of three parts: Information Acquisition System, the information processing system intelligentized agricultural machinery of unifying, and wherein the technology of obtaining of field information is the gordian technique of precision agriculture;
Soil fertility information has considerable position in the information of field, it is to weigh the ability that soil offers the required nutrient of plant growth, monoblock field soil fertility is obtained real-time and accurately, it is the important content of setting up agricultural information system, can directly instruct next step accurate fertilising, for modern agricultural production provides reliable decision support, protection agroecological environment, the natural resourcess such as soil protection, obtain higher yield and larger economic benefit;
It is main that conventional ion selects electrode method to detect mainly with field sampling, laboratory the detection of soil nutrient, has the shortcomings such as sample representativeness is not enough, analysis efficiency is low, cost is high, real-time is poor, is difficult to realize the overall understanding to monoblock field soil fertility.
Summary of the invention
The object of this invention is to provide a kind of can moving freely in field, can make whole fixed point fetch earth, stir, detect, calculate, record, topple over and serialization controlled with flushing process, and water replaces use for laboratory extractant, pollution-free, not damage test system, is applicable to the multiple spot serial sampling pick-up unit of acre; It is highly sensitive, and most ion-selective electrode sensitivity can reach 1mg/L, and its response time is short, only needs a few minutes even shorter, can to soil fixed point in real time, Measurement accuracy; Adopt hyperchannel ion-selective electrode to measure simultaneously, can study the multiple nutrient content distribution situation of soil simultaneously.
Technical matters to be solved by this invention realizes by the following technical solutions,
A kind of mobile device of measuring soil fertility based on hyperchannel ion selective electrode method comprises an inc casing in lower end and is located at draw-gear that casing front end is connected with motor vehicles, is located at the control desk of box back top and is arranged on the split water tank at casing top, it is characterized in that: described bottom half two ends are equipped with road wheel, under the front end of described casing, square tube is crossed rotating shaft one ramped shaped V-type colter is installed, and can control ramped shaped V-type colter by rotating shaft and rotate shovel soil and unload soil; Described casing top is near the other GPS that is also provided with of split water tank.
Described casing inner bottom part is provided with a sample cell, the height of described sample cell is consistent with ramped shaped V-type colter peak, be convenient to the soil in ramped shaped V-type colter to be offloaded in sample cell, sample cell surrounding is also provided with sample stage, is provided with for record the pressure transducer of fetch earth earth and the soil liquid quality that configures at every turn in described sample stage.
Described casing both sides are respectively equipped with slide rail, on two described slide rails, be separately installed with slide track seat, described sample cell is connected with the slide track seat on two slide rails respectively by turning axle, described slide track seat is by turning axle and drive sample cell parallel on slide rail, sample cell can drive to realize by turning axle and rotate freely simultaneously, is convenient to after measurement finishes soil to topple in time.
Described box house top is provided with a probe dividing plate is installed, on described installation dividing plate, be provided with ultrasonic probe and detection probe, V-shaped shape between its two probe, the extended line of two probes meets at sample cell center simultaneously, described ultrasonic probe is provided with sleeve, and can realize probe free-extension by sleeve.
Described detection probe comprises: a temperature sensing probe, a contrast electrode and six ion-selective electrodes, described temperature sensing probe and ion-selective electrode branch are in contrast electrode surrounding, six described ion-selective electrodes are respectively nitrate electrode, ammonium root electrode, phosphate radical electrode, peroxophosphoric acid root electrode, potassium ion electrode and pH electrode, on described temperature sensing probe, contrast electrode and ion-selective electrode, be separately installed with sleeve, and can realize temperature sensing probe, contrast electrode and ion-selective electrode free-extension by sleeve.
Described split water tank is equipped with respectively deionized water and light water, described split water tank bottom is respectively equipped with two water pipes, wherein one leads in sample cell through dividing plate is installed, as the configuration soil liquid, another root is also to lead to sample stage through dividing plate is installed, as rinsing sample stage and other parts, described separate water box top is provided with a valve, and is realized and being supplied water and the water yield regulates by valve.
The whole Circuits System of the present invention is positioned at the top that box house is installed dividing plate, by power supply, control module, controller, storer and display, formed, described control module be the high speed general controls chips such as DSP (microprocessor chip) or FPGA (programmable logic device (PLD)) wherein any one, and startup and the shift position thereof by DSP (microprocessor chip) or FPGA (programmable logic device (PLD)), controlling the module that fetches earth, stir module, detection probe and wash module.
Described controller is comprised of signal picker, A/D change-over circuit, information-processing circuit and data operator; The output terminal of ion-selective electrode in described detection probe, contrast electrode, temperature sensing probe, pressure transducer and GPS is connected with the input end of signal picker on controller respectively.
Described information-processing circuit comprises amplifier and wave filter, by amplifier and wave filter, can amplify electric signal measured between each detection period and the processing such as filtering.
The output port of described controller is connected storage and display respectively.
The present invention has following obvious advantage and beneficial effect:
1, install easyly, can move freely in field, can make whole fixed point fetch earth, stir, detect, calculate, record, topple over and serialization controlled with flushing process, and water replaces use for laboratory extractant, pollution-free, not damage test system, the multiple spot serial sampling that is applicable to acre detects;
2, highly sensitive, most ion-selective electrode sensitivity can reach 1mg/L, and its response time is short, only needs a few minutes even shorter, can to soil fixed point in real time, Measurement accuracy;
3, adopt hyperchannel ion-selective electrode to measure simultaneously, can study the multiple nutrient content distribution situation of soil simultaneously.
Accompanying drawing explanation
Fig. 1 is side of the present invention cut-away view;
Fig. 2 is sample cell of the present invention and slide rail connection diagram;
Fig. 3 is detection probe structural representation of the present invention;
Fig. 4 is the figure of branch of ion-selective electrode, contrast electrode and temperature sensing probe in detection probe of the present invention;
Fig. 5 is the whole control system schematic diagram of the present invention.
Wherein: 1-casing; 2-draw-gear; 3-control desk; 4-split water tank; 5-road wheel; 6-ramped shaped V-type colter; 7-GPS; 8-sample cell; 9-slide rail; 10-slide track seat; 11-turning axle; 12-installs dividing plate; 13-ultrasonic probe; 14-detection probe; 15-sleeve; 16-pressure transducer; 17-water pipe; 18-valve; 19-Circuits System; 20-contrast electrode; 21-ion-selective electrode; 22-temperature sensing probe; 23-sample stage; 24-rotating shaft; 211-ammonium root electrode; 212-nitrate electrode; 213-phosphate radical electrode; 214-peroxophosphoric acid root electrode; 215-potassium ion electrode; 216-pH electrode.
Embodiment
For technological means, creation characteristic that the present invention is realized, reach object and effect is easy to understand, below in conjunction with concrete diagram, further set forth the present invention.
As Figure 1-5, a kind of mobile device of measuring soil fertility based on hyperchannel ion selective electrode method comprises an inc casing 1 in lower end and is located at draw-gear 2 that casing 1 front end is connected with motor vehicles, is located at the control desk 3 of casing 1 top, rear end and is arranged on the split water tank 4 at casing 1 top, it is characterized in that: casing 1 two ends, bottom are equipped with road wheel 5, under the front end of described casing 1, square tube is crossed rotating shaft 24 a ramped shaped V-type colter 6 is installed, and can control ramped shaped V-type colter 6 by rotating shaft 24 and rotate shovel soil and unload soil; Described casing 1 top is near the other GPS7 that is also provided with of split water tank 4.
Casing 1 both sides are respectively equipped with slide rail 9, on two slide rails 9, be separately installed with slide track seat 10, sample cell 8 is connected with the slide track seat 10 on two slide rails 9 respectively by turning axle 11, slide track seat 10 is by turning axle 11 and drive sample cell 8 parallel on slide rail 9, sample cell 8 can drive to realize by turning axle 11 and rotate freely simultaneously, is convenient to after measurement finishes soil to topple in time.
The whole Circuits System 19 of the present invention is positioned at the inner top that dividing plate 12 is installed of casing 1, by power supply, control module, controller, storer and display, formed, control module be the high speed general controls chips such as DSP (microprocessor chip) or FPGA (programmable logic device (PLD)) wherein any one, and startup and the shift position thereof by DSP (microprocessor chip) or FPGA (programmable logic device (PLD)), controlling the module that fetches earth, stir module, detection probe 14 and wash module.
Controller is comprised of signal picker, A/D change-over circuit, signal processing circuit and data operator; The output terminal of ion-selective electrode 21 in detection probe 14, contrast electrode 20, temperature sensing probe 22, pressure transducer 16 and GPS7 is connected with the input end of signal picker on controller respectively.
Signal processing circuit comprises amplifier and wave filter, by amplifier and wave filter, can amplify electric signal measured between each detection period and the processing such as filtering.
The output port of controller is connected storage and display respectively.
Principle of work of the present invention is achieved in that
1) after first the draw-gear in the present invention 2 being connected in to motor vehicles, connect circuit, start control module;
2) after contrive equipment Following Car now, move, be parked in certain field or soil region fixed point, then start the module that fetches earth, by rotating shaft 24, rotate and drive ramped shaped V-type colter 6 to shovel geotechnique and do, after shoveling soil, continues on ramped shaped V-type colter 6 to rotate and raise ramped shaped V-type colter 6 by rotating shaft 24, now the sample cell 8 being installed on 1 liang of wood side-guide 9 of casing is moved near ramped shaped V-type colter 6 places by slide track seat 10, fetch earth appropriate;
3) starting pressure sensor 16, record soil sample quality, then open the valve 18 on split water tank 4, inject at preset timed intervals deionized water appropriate, again record soil liquid quality;
4) sample cell 8 is retracted to casing 1 centre position, started and stir module, ultrasonic probe 13 is stretched to concussion in the sample cell 8 that the soil liquid is housed by sleeve 15, finish at preset timed intervals concussion, then by sleeve 15, ultrasonic probe 13 is shunk;
5) start detection module, ion-selective electrode in detection probe 14 21 and contrast electrode 20 and temperature sensing probe 22 will be stretched in the sample cell 8 that the soil liquid is housed and be waited for (systemic presupposition time) after a few minutes by sleeve 15 according to demand, then by sleeve 15, the ion-selective electrode in detection probe 14 21 and contrast electrode 20 and temperature sensing probe 22 are shunk;
6) start controller, read various types of signal and processed, by pre-set programs, calculate all kinds of concentration of element, by reading signal later, be transferred to display, also the result of detection is transferred to the storage that storer carries out all kinds of data, to check later simultaneously;
7) after detection completes, by turning axle 11, drive sample cell 8 to rotate, the soil liquid having detected is toppled over, and open that valve 18 use light waters on split water tank 4 carry out sample stage 23 and other parts carry out flushing work, after flushing completes, the present invention is moved to next sampling spot place, repeat above-mentioned steps.
Finally it should be noted that: above embodiment is only in order to illustrate the present invention and unrestricted technical scheme described in the invention; Therefore, although this instructions has been described in detail the utility model with reference to each above-mentioned embodiment,, those of ordinary skill in the art should be appreciated that still and can modify or be equal to replacement the present invention; And all do not depart from technical scheme and the improvement thereof of the spirit and scope of invention, it all should be encompassed in the middle of claim scope of the present invention.
Claims (3)
1. a mobile device of measuring soil fertility based on hyperchannel ion selective electrode method, after being connected in motor vehicles, it is characterized in that: comprise an inc casing in lower end, and be located at the draw-gear that casing front end is connected with motor vehicles, be located at the control desk and the split water tank that is arranged on casing top of box back top, described bottom half two ends are equipped with road wheel, under the front end of described casing, square tube is crossed rotating shaft one ramped shaped V-type colter is installed, and can control ramped shaped V-type colter by rotating shaft and rotate shovel soil and unload soil, described casing top is near the other GPS that is also provided with of split water tank, described casing inner bottom part is provided with a sample cell, the height of described sample cell is consistent with ramped shaped V-type colter peak, described sample cell surrounding is provided with sample stage, in described sample stage, be provided with for record the pressure transducer of fetch earth earth and the soil liquid quality that configures at every turn, described casing both sides are respectively equipped with slide rail, on two described slide rails, be separately installed with slide track seat, described sample cell is connected with the slide track seat on two slide rails respectively by turning axle, described slide track seat is by turning axle and drive sample cell parallel on slide rail, sample cell can drive to realize by turning axle and rotate freely simultaneously, described box house top is provided with a probe dividing plate is installed, on described installation dividing plate, be provided with ultrasonic probe and detection probe, V-shaped shape between its two probe, the extended line of two probes meets at sample cell center simultaneously, described ultrasonic probe is provided with sleeve, and can realize probe free-extension by sleeve.
2. a kind of mobile device of measuring soil fertility based on hyperchannel ion selective electrode method according to claim 1, it is characterized in that: described detection probe comprises: a temperature sensing probe, a contrast electrode and six ion-selective electrodes, described temperature sensing probe and ion-selective electrode are distributed in contrast electrode surrounding, six described ion-selective electrodes are respectively ammonium root electrode, nitrate electrode, phosphate radical electrode, peroxophosphoric acid root electrode, potassium ion electrode and pH electrode, described temperature sensing probe, on contrast electrode and ion-selective electrode, be separately installed with sleeve, and can realize temperature sensing probe by sleeve, contrast electrode and ion-selective electrode free-extension.
3. a kind of mobile device of measuring soil fertility based on hyperchannel ion selective electrode method according to claim 1, it is characterized in that: described split water tank is equipped with respectively deionized water and light water, described split water tank bottom is respectively equipped with two water pipes, wherein one leads in sample cell through dividing plate is installed, as the configuration soil liquid, another root is also to lead to sample stage through dividing plate is installed, as rinsing sample stage and other parts, described separate water box top is provided with a valve, and is realized and being supplied water and the water yield regulates by valve.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201110344124.8A CN103091502B (en) | 2011-11-03 | 2011-11-03 | Mobile device for measuring soil fertility by multichannel ion selective electrode method |
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| CN201110344124.8A CN103091502B (en) | 2011-11-03 | 2011-11-03 | Mobile device for measuring soil fertility by multichannel ion selective electrode method |
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| CN103091502B true CN103091502B (en) | 2014-02-12 |
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| US9281219B2 (en) * | 2013-09-18 | 2016-03-08 | Suprasensor Technologies, Llc | Molecular receptor-based chemical field-effect transistor (CHEMFET) devices, systems, and methods for in-situ nitrate monitoring in field soils |
| CN104198445A (en) * | 2014-08-29 | 2014-12-10 | 中国科学院合肥物质科学研究院 | Laser breakdown spectroscopy-based Movable device for detecting soil constituents based on |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US5887491A (en) * | 1997-05-14 | 1999-03-30 | Ag-Chem Equipment, Co., Inc. | Soil analysis assembly and system |
| AU2945697A (en) * | 1997-05-23 | 1998-12-11 | Applied Microelectronics Incorporated | Soil nutrient monitoring system |
| US20030112152A1 (en) * | 2001-12-19 | 2003-06-19 | Pickett Terence D. | Robotic vehicle and method for soil testing |
| CN201277945Y (en) * | 2008-10-14 | 2009-07-22 | 浙江大学 | Portable plant soil nutrient fast tester |
| CN201464408U (en) * | 2009-07-28 | 2010-05-12 | 吴宏 | Measuring instrument of moisture and nutrient of soil |
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Effective date of registration: 20181227 Address after: Room 225, Building 2, Pioneering Avenue, 8 Longhu Road, Sanshan District, Wuhu City, Anhui Province, 241000 Patentee after: ANHUI ZHONGKE INTELLIGENT PERCEPTION BIG DATA INDUSTRY TECHNOLOGY RESEARCH INSTITUTE Co.,Ltd. Address before: 230088 Hefei Institute of Material Science, Chinese Academy of Sciences, 350 Shushan Lake Road, Hefei City, Anhui Province Patentee before: HEFEI INSTITUTES OF PHYSICAL SCIENCE, CHINESE ACADEMY OF SCIENCES |
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Address after: Room 225, Building 2, Pioneering Avenue, 8 Longhu Road, Sanshan District, Wuhu City, Anhui Province, 241000 Patentee after: ANHUI ZHONGKE INTELLIGENT SENSING INDUSTRY TECHNOLOGY RESEARCH INSTITUTE Co.,Ltd. Address before: Room 225, Building 2, Pioneering Avenue, 8 Longhu Road, Sanshan District, Wuhu City, Anhui Province, 241000 Patentee before: ANHUI ZHONGKE INTELLIGENT PERCEPTION BIG DATA INDUSTRY TECHNOLOGY RESEARCH INSTITUTE Co.,Ltd. |
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Effective date of registration: 20190529 Address after: 230031 No. 350 Shushan Lake Road, Shushan District, Wuhu City, Anhui Province Patentee after: HEFEI INSTITUTES OF PHYSICAL SCIENCE, CHINESE ACADEMY OF SCIENCES Address before: Room 225, Building 2, Pioneering Avenue, 8 Longhu Road, Sanshan District, Wuhu City, Anhui Province, 241000 Patentee before: ANHUI ZHONGKE INTELLIGENT SENSING INDUSTRY TECHNOLOGY RESEARCH INSTITUTE Co.,Ltd. |
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Effective date of registration: 20190604 Address after: Room 225, Building 2, Pioneering Avenue, 8 Longhu Road, Sanshan District, Wuhu City, Anhui Province, 241000 Patentee after: ANHUI ZHONGKE INTELLIGENT SENSING INDUSTRY TECHNOLOGY RESEARCH INSTITUTE Co.,Ltd. Address before: 230031 No. 350 Shushan Lake Road, Shushan District, Wuhu City, Anhui Province Patentee before: HEFEI INSTITUTES OF PHYSICAL SCIENCE, CHINESE ACADEMY OF SCIENCES |
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Address after: Room 225, Building 2, Pioneering Avenue, 8 Longhu Road, Sanshan District, Wuhu City, Anhui Province, 241000 Patentee after: Anhui Zhongke intelligent perception Technology Co.,Ltd. Address before: Room 225, Building 2, Pioneering Avenue, 8 Longhu Road, Sanshan District, Wuhu City, Anhui Province, 241000 Patentee before: ANHUI ZHONGKE INTELLIGENT SENSING INDUSTRY TECHNOLOGY RESEARCH INSTITUTE Co.,Ltd. |