CN103283370B - Liquid fertilizer variable rate fertilization system controlled by electric pressure regulating valve - Google Patents
Liquid fertilizer variable rate fertilization system controlled by electric pressure regulating valve Download PDFInfo
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- CN103283370B CN103283370B CN201310266071.1A CN201310266071A CN103283370B CN 103283370 B CN103283370 B CN 103283370B CN 201310266071 A CN201310266071 A CN 201310266071A CN 103283370 B CN103283370 B CN 103283370B
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- liquid fertilizer
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- solenoid directional
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- electric pressure
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Abstract
The invention relates to a liquid fertilizer variable rate fertilization system controlled by an electric pressure regulating valve, and belongs to agricultural machinery. A diesel engine is connected with a liquid fertilizer pump; an entrance of the liquid fertilizer pump is respectively connected with a fertilizer feeding hole and a liquid fertilizer box by an electromagnetic directional valve; an exit of the liquid fertilizer pump is respectively connected with a central pipeline and the liquid fertilizer box by an electromagnetic directional valve; an inlet and an outlet of an overflow valve are respectively connected with the central pipeline and the liquid fertilizer box; an inlet and an outlet of the electric pressure regulating valve are respectively connected with the central pipeline and the liquid fertilizer box; a control end of the electric pressure regulating valve is connected with a fertilizing amount controller; an inlet of a flow transmitter is connected with the central pipeline; an outlet of the flow transmitter is respectively connected with a liquid fertilizer outlet and the liquid fertilizer box by an electromagnetic directional valve; a signal output end of the flow transmitter is connected with the fertilizing amount controller; an inlet of a pressure transmitter is connected with the central pipeline; a signal output end of the pressure transmitter is connected with the fertilizing amount controller. The liquid fertilizer variable rate fertilization system can be used for adjusting the fertilizing amount of a liquid fertilizer in real time in a variable way, and has the characteristics of being reasonable in design, simple in structure, high in adjustment accuracy, reliable in operation and easy to maintain.
Description
Technical field
The invention belongs to agriculture intelligent machine, relates generally to a kind of variable liquid-fertilizer fertilizing mechanism.
Background technology
Variable fertilization refers to according to the difference of factor in the time and space such as plot soil fertility, crop yields, fertilizer is applied to the adjustment and control of carrying out variable, variable executes a kind of fertilizer practice that liquid fertilizing technology is extensive use in agricultural production in recent years, have compared with solid-state fertilising that fertilizer efficiency availability is high, fertilizer efficiency effect is fast, fertilizer efficiency lose the advantages such as few, has become the important directions that fertilizer practice develops.At present, applying of liquid fertilizer mainly sprays as mainly applying mode with continuous and quantitative, according to agricultural production actual needs, can not realize the sowing amount that real-time variable regulates fertilizer, reduce liquid fertilizer result of use.The fertile fertilizer apparatus of liquid towards of the present invention carries out brand-new design, overcomes above-mentioned shortcoming, provides a kind of adjustable liquid fertilizer Variable Fertilization System.
Summary of the invention
The object of the invention is the liquid fertilizer Variable Fertilization System that a kind of electric pressure-regulating valve of design controls, and realizes independently completing real-time variable according to prescription information and executes liquid fertilizer, reach rationally, apply fertilizers scientifically, improve the object of Fertilizer application efficiency.
The object of the invention is achieved in that the liquid fertilizer Variable Fertilization System that a kind of electric pressure-regulating valve controls belongs to agricultural machinery, wherein diesel engine is connected with fertilizer pump, fertilizer pump entrance by solenoid directional control valve respectively with add fertile mouth and liquid fertilizer box is connected, fertilizer pump outlet is connected with center culvert and liquid fertilizer box respectively by solenoid directional control valve, overflow valve entrance and exit is connected with center culvert and liquid fertilizer box respectively, electric pressure-regulating valve entrance and exit is connected with center culvert and liquid fertilizer box respectively, electric pressure-regulating valve control end is connected with fertilizing amount controller, flow transmitter entrance is connected with center culvert, flow transmitter outlet is exported with liquid fertilizer respectively by solenoid directional control valve and liquid fertilizer box is connected, flow transmitter signal output part is connected with fertilizing amount controller, pressure transmitter entrance is connected with center culvert, pressure transmitter signal output part is connected with fertilizing amount controller.
The invention with diesel engine for executing liquid fertilizer system dynamic output device, take vehicle power as variable liquid-fertilizer control system power take-off, use with the system support of liquid fertilizer fertilization working machine tool, adopt solenoid directional control valve, overflow valve, electric pressure-regulating valve, flow transmitter and pressure transmitter combined type liquid fertilizer Variable Control structure, realize liquid fertilizer fertilising real-time variable to regulate, have that structure is simple, degree of regulation is high, easy to use, automaticity is high, processing speed is fast, practical, the reliable feature of operation.
Accompanying drawing explanation
Accompanying drawing 1 is the liquid fertilizer Variable Fertilization System General allocation structure schematic diagram controlled with electric pressure-regulating valve.
In figure, piece number illustrates:
1, diesel engine, 2, fertilizer pump, 3, add fertile mouth, 4, liquid fertilizer box, 5, solenoid directional control valve A, 6, solenoid directional control valve B, 7, overflow valve, 8, electric pressure-regulating valve, 9, flow transmitter, 10, solenoid directional control valve C, 11, liquid fertilizer outlet, 12 fertilizing amount controllers, 13, pressure transmitter, 14, center culvert.
Embodiment
Below in conjunction with accompanying drawing, the invention embodiment is described in detail.The liquid fertilizer Variable Fertilization System that electric pressure-regulating valve controls, this system by diesel engine 1, fertilizer pump 2, add fertile mouth 3, liquid fertilizer box 4, solenoid directional control valve A5, solenoid directional control valve B6, overflow valve 7, electric pressure-regulating valve 8, flow transmitter 9, solenoid directional control valve C10, liquid fertilizer export 11, fertilizing amount controller 12, pressure transmitter 13 and center culvert 14 are assembled and formed, it is characterized in that diesel engine 1 is connected with fertilizer pump 2, fertilizer pump 2 entrance by solenoid directional control valve A5 respectively with add fertile mouth 3 liquid fertilizer box 4 and be connected, fertilizer pump 2 is exported and is connected with center culvert 14 liquid fertilizer box 4 respectively by solenoid directional control valve B6, overflow valve 7 entrance and exit is connected with center culvert 14 and liquid fertilizer box 4 respectively, electric pressure-regulating valve 8 entrance and exit is connected with center culvert 14 and liquid fertilizer box 4 respectively, electric pressure-regulating valve 8 control end is connected with fertilizing amount controller 12, flow transmitter 9 entrance is connected with center culvert 14, flow transmitter 9 exports and exports 11 liquid fertilizer box 4 respectively with liquid fertilizer by solenoid directional control valve C10 and be connected, flow transmitter 9 signal output part is connected with fertilizing amount controller 12, pressure transmitter 13 entrance is connected with center culvert 14, pressure transmitter 13 signal output part is connected with fertilizing amount controller 12, wherein solenoid directional control valve A5 is for often to leave, solenoid directional control valve B6 is normally closed, solenoid directional control valve C10 is normally closed.
During operation, diesel engine 1 drives fertilizer pump 2 to work, and fertilizing amount controller 12 powers up work;
When operation starts to add fertilizer, fertilizing amount controller 12 controls solenoid directional control valve A5 cut out, solenoid directional control valve B6 opens, solenoid directional control valve A5 and liquid fertilizer box 4 are cut off, with add fertile mouth 3, fertilizer pump 2 forms path, solenoid directional control valve B6 and center culvert 14 are cut off, forms path with liquid fertilizer box 4, fertilizer pump 2; During work liquid fertilizer through adding fertile mouth 3, solenoid directional control valve A5, fertilizer pump 2, solenoid directional control valve B6 enter liquid fertilizer box 4;
When operation starts to stop, fertilizing amount controller 12 controls that solenoid directional control valve A5 opens, solenoid directional control valve B6 closes, solenoid directional control valve C10 closes, make solenoid directional control valve A5 and add fertile mouth 3 to cut off, path is formed with liquid fertilizer box 4, fertilizer pump 2, solenoid directional control valve B6 and liquid fertilizer box 4 are cut off, form path with center culvert 14, fertilizer pump 2, make solenoid directional control valve C10 and liquid fertilizer export 11 and cut off, form path with flow transmitter 9, liquid fertilizer box 4; During work, liquid fertilizer enters center culvert 14 by liquid fertilizer box 4 through solenoid directional control valve A5, fertilizer pump 2, solenoid directional control valve B6, combines respectively return liquid fertilizer box 4 through overflow valve 7, electric pressure-regulating valve 8, flow transmitter 9 and solenoid directional control valve C10;
When operation is open to traffic, fertilizing amount controller 12 controls that solenoid directional control valve A5 opens, solenoid directional control valve B6 closes, solenoid directional control valve C10 opens, make solenoid directional control valve A5 and add fertile mouth 3 to cut off, path is formed with liquid fertilizer box 4, fertilizer pump 2, solenoid directional control valve B6 and liquid fertilizer box 4 are cut off, form path with center culvert 14, fertilizer pump 2, solenoid directional control valve C10 and liquid fertilizer box 4 are cut off, exports 11 UNICOMs with flow transmitter 9, liquid fertilizer; During work, liquid fertilizer enters center culvert 14 by liquid fertilizer box 4 through solenoid directional control valve A5, fertilizer pump 2, solenoid directional control valve B6, apply fertilizer and export 11 row replacements in fertile ditch soil through flow transmitter 9, solenoid directional control valve C10, liquid fertilizer, unnecessary fertilizer returns liquid fertilizer box 4 through overflow valve 7, electric pressure-regulating valve 8 respectively;
In operation process, flow transmitter 9, pressure transmitter 13 provide feedback signal to fertilizing amount controller 12, and fertilizing amount controller, by adjustment electric pressure-regulating valve 8 openings of sizes, realizes the flow-control of liquid towards fertilizer outlet 11, completes variable and execute liquid fertilizer operation.
Claims (1)
1. with the liquid fertilizer Variable Fertilization System that electric pressure-regulating valve controls, this system by diesel engine (1), fertilizer pump (2), add fertile mouth (3), liquid fertilizer box (4), solenoid directional control valve A(5), solenoid directional control valve B(6), overflow valve (7), electric pressure-regulating valve (8), flow transmitter (9), solenoid directional control valve C(10), liquid fertilizer outlet (11), fertilizing amount controller (12), pressure transmitter (13) and center culvert (14) assemble and form; it is characterized in that diesel engine (1) is connected with fertilizer pump (2), fertilizer pump (2) entrance is by solenoid directional control valve A(5) respectively with add fertile mouth (3) liquid fertilizer box (4) and be connected, fertilizer pump (2) outlet is by solenoid directional control valve B(6) be connected with center culvert (14) liquid fertilizer box (4) respectively, overflow valve (7) entrance and exit is connected with center culvert (14) and liquid fertilizer box (4) respectively, electric pressure-regulating valve (8) entrance and exit is connected with center culvert (14) and liquid fertilizer box (4) respectively, electric pressure-regulating valve (8) control end is connected with fertilizing amount controller (12), flow transmitter (9) entrance is connected with center culvert (14), flow transmitter (9) outlet is by solenoid directional control valve C(10) export (11) liquid fertilizer box (4) respectively with liquid fertilizer and be connected, flow transmitter (9) signal output part is connected with fertilizing amount controller (12), pressure transmitter (13) entrance is connected with center culvert (14), pressure transmitter (13) signal output part is connected with fertilizing amount controller (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310266071.1A CN103283370B (en) | 2013-06-28 | 2013-06-28 | Liquid fertilizer variable rate fertilization system controlled by electric pressure regulating valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310266071.1A CN103283370B (en) | 2013-06-28 | 2013-06-28 | Liquid fertilizer variable rate fertilization system controlled by electric pressure regulating valve |
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| Publication Number | Publication Date |
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| CN103283370A CN103283370A (en) | 2013-09-11 |
| CN103283370B true CN103283370B (en) | 2015-04-22 |
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| CN201310266071.1A Expired - Fee Related CN103283370B (en) | 2013-06-28 | 2013-06-28 | Liquid fertilizer variable rate fertilization system controlled by electric pressure regulating valve |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI608792B (en) * | 2015-12-11 | 2017-12-21 | Iseki & Co Ltd | Work vehicle |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107801464B (en) * | 2017-10-23 | 2023-08-29 | 华南农业大学 | Liquid fertilizer flow regulating device, fertilizer application system and method |
| CN109874484A (en) * | 2019-04-16 | 2019-06-14 | 中国农业科学院农田灌溉研究所 | A kind of auto-irrigation fertilizer apparatus for barrel plant test |
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| GB1473930A (en) * | 1974-03-01 | 1977-05-18 | Lestradet M C J | Supply system and vehicle equipped with such a system |
| CN1136882A (en) * | 1995-05-26 | 1996-12-04 | 渡边惠秀 | Sprinkler |
| CN102150597A (en) * | 2010-12-14 | 2011-08-17 | 江苏大学 | Electrical control system of irrigation fertilizer distributor capable of realizing manual and automatic switching |
| CN202285553U (en) * | 2011-08-24 | 2012-07-04 | 李谟军 | System for automatically detecting and preparing fertilizer |
| CN102929183A (en) * | 2012-11-26 | 2013-02-13 | 东北农业大学 | Control device for variable-rate liquid fertilizer application |
| CN102934559A (en) * | 2012-11-26 | 2013-02-20 | 东北农业大学 | Liquid fertilizer variable rate fertilization system controlled by electro-hydraulic proportional flowrate regulating valve |
| CN103053385A (en) * | 2013-01-10 | 2013-04-24 | 中国水利水电科学研究院 | Mobile multifunctional constant-pressure irrigation fertilizer distributor and irrigation and fertilizer distribution method thereof |
| CN203313657U (en) * | 2013-06-28 | 2013-12-04 | 东北农业大学 | Liquid fertilizer variable rate fertilization system controlled through electric pressure-regulating valve |
-
2013
- 2013-06-28 CN CN201310266071.1A patent/CN103283370B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1473930A (en) * | 1974-03-01 | 1977-05-18 | Lestradet M C J | Supply system and vehicle equipped with such a system |
| CN1136882A (en) * | 1995-05-26 | 1996-12-04 | 渡边惠秀 | Sprinkler |
| CN102150597A (en) * | 2010-12-14 | 2011-08-17 | 江苏大学 | Electrical control system of irrigation fertilizer distributor capable of realizing manual and automatic switching |
| CN202285553U (en) * | 2011-08-24 | 2012-07-04 | 李谟军 | System for automatically detecting and preparing fertilizer |
| CN102929183A (en) * | 2012-11-26 | 2013-02-13 | 东北农业大学 | Control device for variable-rate liquid fertilizer application |
| CN102934559A (en) * | 2012-11-26 | 2013-02-20 | 东北农业大学 | Liquid fertilizer variable rate fertilization system controlled by electro-hydraulic proportional flowrate regulating valve |
| CN103053385A (en) * | 2013-01-10 | 2013-04-24 | 中国水利水电科学研究院 | Mobile multifunctional constant-pressure irrigation fertilizer distributor and irrigation and fertilizer distribution method thereof |
| CN203313657U (en) * | 2013-06-28 | 2013-12-04 | 东北农业大学 | Liquid fertilizer variable rate fertilization system controlled through electric pressure-regulating valve |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI608792B (en) * | 2015-12-11 | 2017-12-21 | Iseki & Co Ltd | Work vehicle |
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| CN103283370A (en) | 2013-09-11 |
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