CN102163043A - Automatic precise controller for water fertilizer - Google Patents
Automatic precise controller for water fertilizer Download PDFInfo
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- CN102163043A CN102163043A CN 201110024570 CN201110024570A CN102163043A CN 102163043 A CN102163043 A CN 102163043A CN 201110024570 CN201110024570 CN 201110024570 CN 201110024570 A CN201110024570 A CN 201110024570A CN 102163043 A CN102163043 A CN 102163043A
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Abstract
The invention provides an automatic precise controller for water fertilizer, comprising a fertilizer liquid tank and an acid liquid tank which are communicated with a main water pipe; a fertilizer filling pump and a fertilizer liquid flowmeter are sequentially installed on a fertilizer liquid pipe; an acid liquid pump is installed on an acid liquid pipe; a fertilizer mixer, a fertilizer mixer outlet electromagnetic valve, a fertilizer mixer outlet flowmeter and a pressure difference valve are sequentially arranged on the main water pipe on the rear end of the joint of the fertilizer liquid pipe, acid liquid pipe and the main water pipe; the tail end of the main water pipe, namely the outlet of the pressure difference valve is connected with a partition filling pipe; a PH meter and an EC meter are connected in parallel on both ends of the pressure difference valve; and the fertilizer filling pump, the fertilizer liquid flowmeter, the acid liquid pump, the fertilizer mixer outlet electromagnetic valve, the fertilizer mixer outlet flowmeter, the PH meter, the EC meter, and a temperature sensor and a humidity sensor arranged in the soil are respectively connected with a control cabinet. During the fertilizing process, non-manual operation can be completely realized by inputting corresponding parameters; a control system can automatically detect the flow of the fertilizer path and automatically switch the electromagnetic valve so as to irrigate with different fertilizer ratios.
Description
Technical field
The present invention relates to the smart amount of a kind of automatic liquid manure controller, be specifically related to the intelligent degree and the higher smart amount of the automatic liquid manure controller of control accuracy of berries industrial crops growth rhythms such as a kind of suitable China the Northeast strawberry, blueberry.
Background technology
Fertigation is will dissolve good solution by fertilizer apparatus to be injected in the irrigation system, and being fertilizer is transported to a kind of advanced fertilization mode in field with irrigation water, is accurately fertilising and accurately irrigate the product that combines, and has realized irrigating with applying fertilizer and has carried out synchronously.The advantage of fertigation is that fertilising is even, accurate.The fertigation system can stablize and control parameters such as duty, rate of fertilizer application, fertilization time accurately, thereby improves the utilization factor of liquid manure, alleviates effectively soil and environmental pollution.
The fertilizer applicator that uses in China's water-saving irrigation project is the product from national imports such as Israel mostly, and is functional, but selling at exorbitant prices, and not exclusively be suitable for Chinese water quality and soil characteristic.Domestic also have part manufacturer to begin production water-saving irrigation fertilizer apparatus, by its principle of work, can be divided into differential, suction-type and pouring-in 3 kinds.Differential fertilizer apparatus is to irrigate fluid reservoir in parallel on the person in charge, and cause pressure reduction at its two ends, be pressed in the irrigation water with the stoste of the water that enters fluid reservoir fluid reservoir, but because the liquid in the fluid reservoir is constantly diluted by water, the concentration of output liquid constantly descends, and the adjusting of liquid manure mixing ratio is difficult, the number of times that adds fertilizer is frequent, labour intensity is big, and has certain loss of flood peak, thereby causes the mixing ratio of itself and water wayward.Suction-type then utilizes Venturi tube, valve or pitot tube etc. to produce local pressure reduction, stoste is sucked in the irrigation water, but the range of regulation of this fertilizer apparatus is limited, and it is higher to the stability requirement of being responsible for flow, the system pressure loss is big, though can reduce system pressure loss with Venturi tube in parallel, its range of regulation is still limited, it is bigger that the stability of being responsible for flow is inhaled fertile flow effect to it.The Mechanical Driven fertilizer-injecting device utilizes driven by power membrane pump or ram pump that solution is injected in the water main road, and advantage is to inject solution exactly in irrigation pipeline, thereby makes the fertilizer solution concentration in the irrigation water keep stable.
Summary of the invention
The object of the present invention is to provide a kind ofly, utilize switch board to realize annotating automatically fertile, reduced system cost based on the smart amount of monolithic processor controlled automatic liquid manure controller, compact conformation, simple to operation, and be easy to promote the use of.
For achieving the above object, the technical solution used in the present invention is: the solution jar and the acid solution jar that comprise main water pipeline and be connected with main water pipeline, on the solution pipeline, be equipped with successively and annotate fertile pump and solution flowmeter, on the acid solution pipeline, acid pump is installed, on the rear end main water pipeline of solution, acid solution pipeline and main water pipeline contact, also be provided with and mix fertile device, mix fertile device outlet solenoid valve successively, mix fertile device rate of discharge meter, valve for pressure difference, the end of main water pipeline is that the outlet of valve for pressure difference links to each other with subregion filling pipeline, and described valve for pressure difference two ends are parallel with PH meter and EC meter; The fertile pump of described notes, solution flowmeter, acid pump, mixed fertile device outlet solenoid valve, mixed fertile device rate of discharge meter, PH meter and EC meter and the temperature sensor that is arranged in the soil link to each other with switch board respectively with humidity sensor.
Solution jar of the present invention comprises nitrogen, phosphorus, potassium and four solution jars of trace element, and is separately installed with the solution outlet solenoid valve that links to each other with switch board in the outlet of four solution jars;
The outlet of described acid solution jar is provided with the acid solution primary filter that links to each other with switch board;
Pipeline between fertile pump of described notes and the solution flowmeter also is equipped with the solution primary filter;
Before the contact of described solution, acid solution pipeline and main water pipeline the solution retaining valve is installed;
On the described main water pipeline before solution jar, acid solution jar main water pipeline retaining valve and main water pipeline flowmeter are installed also;
Before the mixed fertile device of described main water pipeline after solution jar, acid solution jar accurate filter is installed also;
Being separately installed with the PH meter that is connected with switch board and EC on the pipeline between described valve for pressure difference and PH meter and the EC meter counts mouthful solenoid valve and PH meter and EC and counts and export retaining valve;
The cyclone of one cylindrical shape or cone shape is set in the described mixed fertile device.
The whole solenoid valves of the present invention, flowmeter, solution pump, acid pump, PH meter and EC meter, soil moisture sensor all are connected with switch board with soil humidity sensor, realizing real-time Detection ﹠ Controling function, and be provided with the cascade filtration device and guarantee the unimpeded of each pipeline.The solution retaining valve has effectively stoped aqueous reflux in the water main road to solution jar and acid solution jar, PH meter and EC meter outlet retaining valve equally effectively stoped in the water main road water from PH meter and EC meter export to its importer to mobile, and effectively kept hydraulic pressure in the water main road.PH meter and EC count a mouthful solenoid valve, can realize the timing of the pH value of water main Lu Zhongshui and EC value, reach round-the-clock measuring ability at random.Soil moisture sensor and soil humidity sensor are gathered temperature, the humidity information of field soil in real time, and it are passed to switch board carry out comprehensively, realize the liquid manure precision irrigation in conjunction with soil moisture content.
Mix two kinds of designs of fertile device, simple in structure, and can reach well mixed fertile purpose.The present invention adopts Single-chip Controlling to combine with the variable frequency adjustment technology, realized irrigating in the drip irrigation system with the accurate control of fertilising with carry out synchronously.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Fig. 2 is the control block diagram.
Embodiment
Below in conjunction with accompanying drawing the present invention is described in further detail.
Referring to Fig. 1, the solution jar that the present invention includes main water pipeline 1 and be connected with main water pipeline 1 is a nitrogen, phosphorus, potassium, four solution jars 23 of trace element, 24,25,26 and acid solution jar 22, the solution jar, on the main water pipeline 1 before the acid solution jar main water pipeline retaining valve 4 and main water pipeline flowmeter 6 are installed, on the solution pipeline, be equipped with successively and annotate fertile pump 2, solution primary filter 3 and solution flowmeter 5, acid pump 20 is installed on the acid solution pipeline, solution, solution retaining valve 7 is installed before the contact of acid solution pipeline and main water pipeline 1, at solution, also be provided with accurate filter 8 on the main water pipeline of the rear end of acid solution pipeline and main water pipeline contact successively, mix fertile device 9, mix fertile device outlet solenoid valve 10, mix fertile device rate of discharge meter 11, valve for pressure difference 12, the end of main water pipeline 1 is that the outlet of valve for pressure difference 12 links to each other with subregion filling pipeline 15, described valve for pressure difference 12 two ends are parallel with PH meter and EC meter 16, PH meter and EC are installed on the entrance pipe of PH meter and EC meter 16 count mouthful solenoid valve 13, PH meter and EC count PH meter and EC meter outlet retaining valve 14 are installed on 16 export pipelines, the fertile pump 2 of described notes, solution flowmeter 5, acid pump 20, mix fertile device outlet solenoid valve 10, mix fertile device rate of discharge meter 11, PH meter and EC meter 16, the temperature sensor 17 that PH meter and EC count in the soil of mouthful solenoid valve 13 and setting links to each other with switch board 19 respectively with humidity sensor 18, and the outlet of four solution jars and acid solution jar 22 is separately installed with solution outlet solenoid valve 27 and the acid solution primary filter 21 that links to each other with switch board 19, the cyclone of one cylindrical shape or cone shape is set in the described mixed fertile device 9, for the cone shape cyclone, its bottom is positioned at the inlet end that mixes fertile device.
Two flowmeters of the present invention are that solution flowmeter 5 and mixed fertile device rate of discharge meter 11 output to flow information switch board 19 respectively, and switch board 19 is made analysis and judgement and controlled the rotating speed of two pump housings with this this information.The feedback signal that PH meter and EC meter obtain detection is input to the single-chip microcomputer of 19 li of switch boards, and the signal output part of single-chip microcomputer is annotated fertile pump with control respectively and linked to each other with the frequency converter of annotating sour revolution speed.Soil moisture sensor that is provided with from the farmland and soil humidity sensor are transferred to soil temperature, humidity information in the farmland in the switch board respectively, to be used for the controlling smart irrigation volume of measuring controller of liquid manure in real time.
Referring to Fig. 2, core of the present invention is STC89C58RD+, and this chip has the Flash program storage of general 51 single-chip microcomputer kernels, 32K and the data-carrier store of 1280 bytes, be simple and easy to and also have advantages such as high reliability, low price and low-power consumption.The input signal that this controller detects has the soil moisture, soil moisture, flow and EC/PH value etc., the signal of sensor carries out the A/D conversion through ADC0809, MCU carries out computational analysis to data converted, thereby controls the unlatching and the power output of each solenoid valve, pump, frequency converter.In the irrigation process, MCU obtains the flow information of fertile road and main pipe rail by sampling, by the flow contrast required with reality, utilize self-adaptation grey fuzzy pid control algorithm, can make the fertile road flow and the ratio of the flow of main pipe rail remain on certain ratio, thereby the liquid manure of control solution when being poured onto crop is than being lower than certain threshold values.By the variable frequency adjustment technology, i.e. the digital signal of MCU output is converted to certain magnitude of voltage through D/A, utilizes the output power of this magnitude of voltage control of conversion device then during the flow regulation of wherein fertile road pump, reaches the purpose of the fertile road of control flow.This controller can be realized the irrigation process of robotization, in the fertilising process, only needs the input relevant parameters, just can realize not having completely artificial operation, control system can detect the flow on fertile road automatically, and according to the parameter of importing, the automatic switchover solenoid valve is realized different fertile irrigations.
High concentration trace elements in high concentration solution in nitrogen of the present invention, phosphorus, the potassium jar 23,24,25 and the trace element jar 26 has the fertile pump of notes to smoke and be injected in the water main road through elementary solution filtrator 3, is provided with accurate filter 8 at water main Lu Shangzai and carries out cascade filtration.PH meter and EC meter 16 are used for detecting the fertilizer solution concentration and the trace element concentration on water main road, the concentration signal that detection obtains is input to single-chip microcomputer in the switch board 19 and setting value and compares and obtain difference signal, the rotating speed that difference signal regulate to be annotated fertile pump 2 by frequency converter is regulated fertilizer-injecting quantity, and solution in the water main road and trace element concentration value and predefined ideal value are consistent.The adjusting of potential of hydrogen is regulated identical with fertilizer solution concentration.Mixed fertile device 9 has been installed in the water main road, solution, liquid microelement, acid ﹠ alkali liquid are fully mixed with irrigation water.The end on water main road also is provided with solenoid valve 10, and its control end links to each other with switch board, is used to control the open and close on water main road.The PH meter is connected with switch board with the control end that EC counts 16 left end solenoid valves 13, to realize the automatic open and close of solenoid valve 13.Soil moisture sensor 17 is transferred to soil temperature, humidity information in the farmland in the switch board respectively with soil humidity sensor 18, is used for controlling in real time the smart irrigation volume of measuring controller of automatic liquid manure.
Because solution mixes inhomogeneously with water in irrigating main water route 1, and make the accuracy reduction of detection system, so the present invention has designed mixed fertile device 9 according to the whirlpool occurring principle.Before PH meter and EC meter mixed fertile device 9 is installed solution is fully mixed by whirlpool, a series of values that record can be accurate more, stable.
The present invention adopts Single-chip Controlling to combine with the variable frequency adjustment technology, has realized the essence amount proportioning and the supply of liquid manure, and it is pouring-in to belong to machinery, its fertilising efficient and fertilising ratio of precision venturi type and differential significantly improving, volume is small and exquisite, easy operating, use single-chip computer control system, lowered cost.
Claims (9)
1. an automatic liquid manure essence is measured controller, it is characterized in that: comprise main water pipeline (1) and solution jar that is connected with main water pipeline (1) and acid solution jar (22), on the solution pipeline, be equipped with successively and annotate fertile pump (2) and solution flowmeter (5), acid pump (20) is installed on the acid solution pipeline, at solution, also be provided with successively on the rear end main water pipeline of acid solution pipeline and main water pipeline contact and mix fertile device (9), mix fertile device outlet solenoid valve (10), mix fertile device rate of discharge meter (11), valve for pressure difference (12), the end of main water pipeline (1) is that the outlet of valve for pressure difference (12) links to each other with subregion filling pipeline (15), and described valve for pressure difference (12) two ends are parallel with PH meter and EC meter (16); The fertile pump of described notes (2), solution flowmeter (5), acid pump (20), mixed fertile device outlet solenoid valve (10), mixed fertile device rate of discharge meter (11), PH meter and EC meter (16) and the temperature sensor (17) that is arranged in the soil link to each other with switch board (19) respectively with humidity sensor (18).
2. the smart amount of automatic liquid manure according to claim 1 controller, it is characterized in that: described solution jar comprises nitrogen, phosphorus, potassium and trace element four solution jars (23,24,25,26), and is separately installed with the solution outlet solenoid valve (27) that links to each other with switch board (19) in the outlet of four solution jars.
3. the smart amount of automatic liquid manure according to claim 1 controller, it is characterized in that: the outlet of described acid solution jar (22) is provided with the acid solution primary filter (21) that links to each other with switch board (19).
4. the smart amount of automatic liquid manure according to claim 1 controller, it is characterized in that: the pipeline between fertile pump of described notes (2) and the solution flowmeter (5) also is equipped with solution primary filter (3).
5. the smart amount of automatic liquid manure according to claim 1 controller is characterized in that: before the contact of described solution, acid solution pipeline and main water pipeline (1) solution retaining valve (7) is installed.
6. the smart amount of automatic liquid manure according to claim 1 controller is characterized in that: on the described main water pipeline (1) before solution jar, acid solution jar main water pipeline retaining valve (4) and main water pipeline flowmeter (6) are installed also.
7. the smart amount of automatic liquid manure according to claim 1 controller, it is characterized in that: the mixed fertile device (9) of described main water pipeline (1) after solution jar, acid solution jar also is equipped with accurate filter (8) before.
8. the smart amount of automatic liquid manure according to claim 1 controller is characterized in that: be separately installed with the PH meter that is connected with switch board (19) on the pipeline between described valve for pressure difference (12) and PH meter and the EC meter (16) and EC counts a mouthful solenoid valve (13) and PH counts and EC counts and exports retaining valve (14).
9. the smart amount of automatic liquid manure according to claim 1 controller is characterized in that: the cyclone that a cylindrical shape or cone shape are set in the described mixed fertile device (9).
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| CN 201110024570 CN102163043A (en) | 2011-01-24 | 2011-01-24 | Automatic precise controller for water fertilizer |
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| CN 201110024570 CN102163043A (en) | 2011-01-24 | 2011-01-24 | Automatic precise controller for water fertilizer |
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| CN102487782A (en) * | 2011-12-20 | 2012-06-13 | 深圳市芭田生态工程股份有限公司 | Fertigation control system |
| CN102499023A (en) * | 2011-09-28 | 2012-06-20 | 北京市水利科学研究所 | Planting bed irrigation device utilizing capillary action of planting medium |
| CN102523812A (en) * | 2011-12-16 | 2012-07-04 | 西安瑞特快速制造工程研究有限公司 | Proportional water and fertilizer controlling machine |
| CN102523813A (en) * | 2011-12-16 | 2012-07-04 | 西安瑞特快速制造工程研究有限公司 | Hanging-type water-fertilizer precision controller |
| CN102681505A (en) * | 2012-04-27 | 2012-09-19 | 中国农业科学院农业资源与农业区划研究所 | Single fruiter management control system and control method thereof |
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| CN103477954A (en) * | 2013-09-29 | 2014-01-01 | 黑龙江八一农垦大学 | Intelligent targeted water jetting irrigation machine |
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| 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 |
| CN104429268A (en) * | 2014-11-24 | 2015-03-25 | 沈阳远大科技园有限公司 | Fertilization method |
| CN104871935A (en) * | 2015-05-08 | 2015-09-02 | 大禹节水（天津）有限公司 | Drip fertigation system with correction apparatus and correction method |
| CN104885727A (en) * | 2015-05-06 | 2015-09-09 | 广西大学 | High-yield trickle irrigation planting method for strawberries |
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| CN105660319A (en) * | 2016-01-08 | 2016-06-15 | 西安交通大学 | Soil effective component online detection device and method |
| CN105676895A (en) * | 2016-01-08 | 2016-06-15 | 西安交通大学 | Nutrient solution on-line detection and precise control device |
| CN105993354A (en) * | 2016-07-14 | 2016-10-12 | 山东农业大学 | Water and fertilizer integrated portable fertilizer dissolving and injecting machine applicable to surface irrigation |
| WO2016176991A1 (en) * | 2015-05-06 | 2016-11-10 | 江苏大学 | Testing device for integrated irrigation and disinfection |
| CN106171913A (en) * | 2016-06-30 | 2016-12-07 | 宾川县华侨庄园农业科技开发有限公司 | A kind of irrigation method of coconut palm bran soilless culture Fructus Vitis viniferae water-saving fertilizer-saving |
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| CN102523812A (en) * | 2011-12-16 | 2012-07-04 | 西安瑞特快速制造工程研究有限公司 | Proportional water and fertilizer controlling machine |
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| GB2542049B (en) * | 2015-05-06 | 2020-10-07 | Univ Jiangsu | Testing device for integrated irrigation and disinfection |
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| CN104871935A (en) * | 2015-05-08 | 2015-09-02 | 大禹节水（天津）有限公司 | Drip fertigation system with correction apparatus and correction method |
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| CN109310047A (en) * | 2016-04-28 | 2019-02-05 | 阿哥罗奎梅考斯-德莱万特公司 | Chemicals control and measuring equipment for farm land sterilizing machine |
| CN106171913A (en) * | 2016-06-30 | 2016-12-07 | 宾川县华侨庄园农业科技开发有限公司 | A kind of irrigation method of coconut palm bran soilless culture Fructus Vitis viniferae water-saving fertilizer-saving |
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Application publication date: 20110824 |