CN2566604Y - Pipe fertilizer filling type variable frequency fertilizer applicator - Google Patents
Pipe fertilizer filling type variable frequency fertilizer applicator Download PDFInfo
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- CN2566604Y CN2566604Y CN 02239255 CN02239255U CN2566604Y CN 2566604 Y CN2566604 Y CN 2566604Y CN 02239255 CN02239255 CN 02239255 CN 02239255 U CN02239255 U CN 02239255U CN 2566604 Y CN2566604 Y CN 2566604Y
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Abstract
The utility model relates to a pipeline fertilizer filling type variable frequency fertilizer applicator which is equipment integrating irrigation and fertilizer application. A liquid inlet of a main pipeline is provided with an irrigating pump and a flow sensor which are controlled by a frequency changer. A fertilizer filling pipeline which is arranged on the main pipeline is provided with a plurality of branch pipelines, and a venturi is arranged on each branch pipeline. The liquid inlet at the middle part of the venturi is connected with a liquid fertilizer pipe which is connected to outside and is controlled by an electromagnetic valve, and the liquid inlet at the middle part of one venturi is communicated with a detecting pipe which is communicated with a liquid outlet of the main pipeline and is provided with an EC sensor and a PH sensor. A filter is arranged in the main pipeline, a convergent pipe of the fertilizer filling pipeline is communicated with the liquid outlets of the all venturis and is arranged on the main pipeline at an inlet side of the filter, and through an inlet of a press pump, a fertilizer application controller is electrically connected with control lines of a controlling frequency changer, the electromagnetic valve, an EC controller, a pH controller, etc. The fertilizer applicator is the fertilizer application equipment which can output multiple constant pressures, and the utility model has the advantages of wide adaptive surfaces and good energy-saving effect.
Description
One, technical field
The utility model relates to the accurately pipeline fertilizer filling type frequency conversion fertilizer distributor of fertilising of a kind of modern agriculture, forestry and flowers industry, is that a kind of nutrient component that crop is required joins the fertigation equipment that forms nutrient solution in the irrigation water.
Two, background technology
The development of modern precision agriculture will be irrigated and fertilising combines together, usually the nutrient component that crop is required joins and forms nutrient solution in the irrigation water, in order to realize applying fertilizer more accurately requirement, fertilizer distributor arises at the historic moment, it adopts computer control, irrigation water is mixed with fertilizer, be defeated by irrigation installation after the formation nutrient solution.And have the output checkout gear, and further adjust the size of fertilizing amount, control the magnetic valve of irrigation simultaneously, to realize the intellectuality control of fertigation.Main pump can only move under a kind of state when existing fertilizer distributor was worked, and the duty of main pump also is certain, and the pressure of supply water of pipeline can only satisfy with a kind of pressure demand.And fertigation has multiple mode, and the required pressure of various fertigation modes also is different, needs lower pressure as drip irrigation system, and sprinkling irrigation system needs higher pressure.When fertilizer distributor was connected to the irrigation system of other different pressures demands, existing fertilizer distributor can't satisfy the pressure requirement of irrigation system, thereby made the fertigation system can't operate as normal.Owing to can not satisfy the demand of multiple fertigation mode, make the application of existing fertilizer distributor be subjected to restriction to a great extent.
Three, summary of the invention:
The purpose of this utility model is to overcome the shortcoming and defect of existing fertilizer distributor, provides a kind of demand that can adapt to multiple Different Irrigation Methods, the pipeline fertilizer filling type frequency conversion fertilizer distributor that main pump is all moved under rational state.
The utility model can be realized by following technical measures: pipeline fertilizer filling type frequency conversion fertilizer distributor, form by main line, irrigation pump, flow sensor, frequency converter, fertilizer distributor controller, venturi, magnetic valve, pressure reduction pump, EC sensor, PH sensor, filter, pressure sensor etc.End at main line is connected with the irrigation pump delivery port, the control line of irrigation pump links to each other with frequency converter, the control line of frequency converter links to each other with the fertilizer distributor controller, connect at main line and irrigation pump on the main line of side flow sensor is housed, the signal transfer line of flow sensor links to each other with the fertilizer distributor controller, it is the injection tube road that the water outlet oral-lateral of the flow sensor of adorning at main line is drawn an arm, the injection tube road is divided into a plurality of bye-passes again, a venturi is housed in the every bye-pass, the liquid injection port at each venturi middle part all has one to connect outside liquid fertilizer pipe, every connects a magnetic valve all is installed on the outside liquid fertilizer pipe, the control line of magnetic valve links to each other with the fertilizer distributor controller, the injection tube road wherein on a bye-pass venturi is housed, the middle part liquid injection port of venturi is connected with a signal piping, the other end of this signal piping is connected with the fluid oral-lateral of main line, EC sensor and PH sensor are installed in signal piping, the signal transmission of EC sensor and PH sensor is connected with the fertilising controller respectively, the liquid outlet of each venturi and venturi all converges pipe with the injection tube road and is connected, the liquid outlet that pipe is converged on the injection tube road links to each other with the inlet of pressure reduction pump, the liquid outlet of pressure reduction pump is connected with the tapping side of main line, with the liquid outlet of pressure reduction pump and two connectors being connected with the inlet of signal piping between main line on filter is installed, on the pipeline of the fluid oral-lateral of main line, pressure sensor is installed, the signal transfer line of pressure sensor is connected with the fertilizer distributor controller, the liquid outlet of main line has the interface that links to each other with irrigation valve, and the control line of the control valve in the irrigation pipeline of irrigation valve links to each other with the fertilizer distributor controller.
The utility model can also be realized by following technical measures: the fertilizer distributor controller is by the AD analog to digital conversion circuit, central processing unit, the DA D/A converting circuit, photoelectricity is isolated, power module of voltage regulation, latch photoelectricity is isolated, IO output interface plate, data storage is formed, its EC sensor, the PH sensor links to each other with central processing unit through the AD analog to digital conversion circuit with pressure sensor, flow sensor is isolated through photoelectricity and is linked to each other with central processing unit, central processing unit links to each other with frequency converter through the DA D/A converting circuit, and central processing unit is isolated through latch photoelectricity after IO output interface plate links to each other with ancillary equipment with the control driver module.
The injection tube road is divided into 4～10 bye-passes, the liquid outlet place of one of them bye-pass is connected with venturi, the liquid outlet place of remaining bye-pass all is connected with venturi, and the angle of the pipeline at the liquid outlet place on injection tube road and the fluid direction of main line is 5 °-90 °.
Fertilizer distributor controller, frequency converter can be fixed on by main line, connect outside liquid fertilizer pipe, injection tube road converges on the framework that pipe forms, also can be fixed in the external control cabinet, and also can be that they all are fixed on the rigid frame.
The utility model compared with prior art has the following advantages: 1, the constant pressure of the nutrient solution of each fertigation facility output; The irrigation system that 2, can adapt to multiple different pressures requirement; 3, has obvious energy-saving effect.
Four, description of drawings
Fig. 1 is the structural principle schematic diagram of pipeline fertilizer filling type frequency conversion fertilizer distributor
Fig. 2 is the electrical schematic of pipeline fertilizer filling type frequency conversion fertilizer distributor
Fig. 3 is the Venturi tube structure schematic diagram
Fig. 4 is CPU and memory circuitry figure
Fig. 5 is sensor and AD and DA change-over circuit figure
Fig. 6 is IO output circuit figure
Fig. 7 is the strong electrical control circuit figure of irrigation pump
Fig. 8 is the strong electrical control circuit figure of pressure reduction pump
Five, embodiment
Fig. 1, Fig. 2 and shown in Figure 3, pipeline fertilizer filling type frequency conversion fertilizer distributor, by main line 16, irrigation pump 1, flow sensor 2, frequency converter 3, fertilizer distributor controller 4, venturi 5,7, magnetic valve 6, pressure reduction pump 8, EC sensor 9, PH sensor 10, filter 11, pressure sensor 12 compositions such as grade, right-hand member at main line 16 is connected with irrigation pump 1 delivery port, the control line of irrigation pump 1 links to each other with frequency converter 3, the control line of frequency converter 3 links to each other with fertilizer distributor controller 4, main line 16 links to each other the main line 16 of side with irrigation pump 1 on, flow sensor 2 is housed, the signal transfer line of flow sensor 2 links to each other with fertilizer distributor controller 4, it is injection tube road 17 that an arm is drawn in the left side of the flow sensor of being adorned at main line 16 2, injection tube road 17 is divided into 4 bye-passes again, wherein in 3 bye-passes a venturi 5 is housed respectively, the liquid injection port at each venturi 5 middle part all has one to connect outside liquid fertilizer pipe 18, every connects a magnetic valve 6 all is installed on the outside liquid fertilizer pipe 18, the control line of magnetic valve 6 links to each other with fertilizer distributor controller 4, on another root bye-pass on injection tube road 7 venturi 7 is housed, the middle part liquid injection port of venturi 7 is connected with a signal piping, the other end of this signal piping is connected with the liquid outlet place in main line 16 left sides, EC sensor 9 and PH sensor 10 are installed in signal piping, the signal transmission of EC sensor 9 and PH sensor 10 is connected with fertilising controller 4 respectively, the liquid outlet of 3 venturi 5 and venturi 7 all converges pipe 19 with the injection tube road and is connected, the liquid outlet that pipe 19 is converged on the injection tube road links to each other with the inlet of pressure reduction pump 8, the liquid outlet of pressure reduction pump 8 is connected with the middle part of main line 16, with the liquid outlet of pressure reduction pump 8 and two connectors being connected with the inlet of signal piping between main line 16 on the filter 11 that is connected in the pipeline is installed, on the pipeline of the leftmost side at the liquid outlet place of main line 16, pressure sensor 12 is installed, the signal transfer line of pressure sensor 12 is connected with the fertilizer distributor controller, the liquid outlet of main line 16 has with irrigation valve 20 and links to each other, and the control line of the irrigation valve of irrigation valve 20 links to each other with fertilizer distributor controller 4.
The operation principle and the device that Figure 4 shows that the utility model pipeline fertilizer filling type frequency conversion fertilizer distributor controller 4 are formed: central processing unit 14 is formed it by CPU (AT89C52) and peripheral components and is finished the data logical operation and carry out function, data storage 26 is DS1225Y_150, for storage system is provided with parameter, program storage 29 is 27C256, be the storage system performing a programme, decoder 27 is 74LS154, can encode by this chip and select which chip to carry out the data processing.
Fig. 5 and Figure 6 shows that AD analog to digital conversion circuit and IO module: AD analog to digital conversion circuit 13, it is by AD0809,74LS74,74LS02, it mainly gathers EC sensor 9, the real-time Simulation signal of PH sensor 10 and pressure sensor 12 also is processed into data signal and supplies with central processing unit 14 and analyze and export control, DA D/A converting circuit 15 is by AD7524, R1 (10K), R10 (1K), R11 (1K), LM324 forms, it can become the Digital Signal Processing that central processing unit 14 provides the analog signal supply frequency converter 3 of 0-10V to carry out frequency output control, and this circuit is characterised in that and can adjusts in real time according to the loine pressure demand of reality.Latch 21 and IO module 30 constitutes output control modules, and the forceful electric power of magnetic valve 6, irrigation valve 20, irrigation pump 1 and pressure reduction pump 8 is carried out switch control.Flow sensor 2 is given 14 pairs of irrigation volumes of central processing unit data signal by photoisolator 521-1 and is controlled, clock chip 25 is DS12887, for the fertilizer distributor control system provides the standard time, it mainly is made up of man-machine display interface 24 inverter DC-DA, RT1 (1K) and LCD GLS32064.
Fig. 7 and the strong electrical control circuit that Figure 8 shows that irrigation pump 1 and pressure reduction pump 8.Strong electrical control circuit 31 is by frequency converter 3 control irrigation pumps 1.Strong electrical control circuit 32 control pressure reduction pumps 8.
The operation principle of this machine: during work, controller 4 is controlled frequency converter 3 starting irrigation pumps 1 according to predefined pressure, flow sensor 2 is passed to controller 4 with flow signal, the irrigation water major part is delivered to irrigation system by main line, wherein a part enters under the effect of pressure reduction pump in the pipeline of annotating fertile system, form a plurality of branches, and respectively by each venturi 5, in passing through the process of venturi, because the effect of venturi phenomenon is the fertilizer suction line of liquid, thereby reached the purpose of mixed fertilizer, be provided with a filter 11 at the main line end, impurity in the filtered water makes the mixing of fertilizer more even in addition on the one hand.Fertilizer is sneaked into what, control by the magnetic valve 6 that is positioned at the venturi suction inlet, magnetic valve gets electricly then to be opened, fertilizer is inhaled into, the magnetic valve dead electricity is then closed, and inhales fertilizer and stops.And the nutrient solution that venturi 7 is exported main line sucks back sub-fraction, thereby form a loop, detection system is housed: EC sensor 9 and PH sensor 10 in the loop, detection system is given controller 4 with the signal feedback that detects, further adjust magnetic valve 6, realize inhaling fertile closed-loop control system.In the exit of main line pressure sensor 12 is housed and sends the pressure signal in the main line to controller 4, controller converts the analog signal of being received to data signal by AD analog-digital converter 13 and delivers to central processing unit 14, handle with the data of setting, give DA D/A converting circuit 15 with the result, convert analog signal to, control the output frequency of frequency converter 3, and then adjust the rotating speed of irrigation pump, to reach the purpose of adjusting pressure.The venturi operation principle: the water with certain pressure enters the import of venturi, during by the thinnest part of venturi, its flow velocity reaches the highest, law its pressure this moment according to the conservation of energy is minimum, current expand rapidly with the variation of the variation pipeline of pipeline, thereby form vacuum state at the thinnest place liquid fertilizer is sucked from inhaling fertile mouthful, after water mixes, form nutrient solution and flow out from outlet.
Claims (4)
1, pipeline fertilizer filling type frequency conversion fertilizer distributor, by main line (16), irrigation pump (1), flow sensor (2), frequency converter (3), fertilizer distributor controller (4), venturi (5,7), magnetic valve (6), pressure reduction pump (8), EC sensor (9), PH sensor (10), filter (11), pressure sensor compositions such as (12), it is characterized in that: the end at main line (16) is connected with irrigation pump (1) delivery port, the control line of irrigation pump (1) links to each other with frequency converter (3), the control line of frequency converter (3) links to each other with fertilizer distributor controller (4), main line (16) links to each other the main line (16) of side with irrigation pump (1) on, flow sensor (2) is housed, the signal transfer line of flow sensor (2) links to each other with fertilizer distributor controller (4), it is injection tube road (17) that the water outlet oral-lateral of the flow sensor of being adorned on main line (16) (2) is drawn an arm, injection tube road (17) is divided into a plurality of bye-passes again, a venturi (5) is housed in the every bye-pass, the liquid injection port at each venturi (5) middle part all has one to connect outside liquid fertilizer pipe (18), every connects a magnetic valve (6) all is installed on the outside liquid fertilizer pipe (18), the control line of magnetic valve (6) links to each other with fertilizer distributor controller (4), injection tube road (17) wherein on a bye-pass venturi (7) is housed, the middle part liquid injection port of venturi (7) is connected with a signal piping, the other end of this signal piping is connected with the fluid oral-lateral of main line (16), EC sensor (9) and PH sensor (10) are installed in signal piping, the signal transmission of EC sensor (9) and PH sensor (10) is connected with fertilising controller (4) respectively, the liquid outlet of each venturi (5) and venturi (7) all converges pipe (19) with the injection tube road and is connected, the liquid outlet that pipe (19) is converged on the injection tube road links to each other with the inlet of pressure reduction pump (8), the liquid outlet of pressure reduction pump (8) is connected with the tapping side of main line (16), with the liquid outlet of pressure reduction pump (8) and two connectors being connected with the inlet of signal piping between main line (16) on filter (11) is installed, on the pipeline of the fluid oral-lateral of main line (16), pressure sensor (12) is installed, the signal transfer line of pressure sensor (12) is connected with fertilizer distributor controller (4), the liquid outlet of main line (16) has the interface that links to each other with irrigation valve (20), and the control line of the control valve in the irrigation pipeline of irrigation valve (20) links to each other with fertilizer distributor controller (4).
2, pipeline fertilizer filling type frequency conversion fertilizer distributor according to claim 1, it is characterized in that: fertilizer distributor controller (4) is by AD analog to digital conversion circuit (13), central processing unit (14), DA D/A converting circuit (15), photoelectricity is isolated, power module of voltage regulation, latch photoelectricity is isolated, IO output interface plate, data storage is formed, its EC sensor (9), PH sensor (10) links to each other with central processing unit (14) through AD analog to digital conversion circuit (13) with pressure sensor (12), flow sensor (2) is isolated through photoelectricity and is linked to each other with central processing unit (14), central processing unit (14) links to each other with frequency converter (3) through DA D/A converting circuit (15), and central processing unit (14) is isolated through latch photoelectricity after IO output interface plate links to each other with ancillary equipment with the control driver module.
3, pipeline fertilizer filling type frequency conversion fertilizer distributor according to claim 1, it is characterized in that: injection tube road (17) are divided into 4～10 bye-passes, the liquid outlet place of one of them bye-pass is connected with venturi (7), the liquid outlet place of remaining bye-pass all is connected with venturi (5), and the angle of the fluid direction of the pipeline at the liquid outlet place of injection tube road (17) and main line (16) is 5 °-90 °.
4, pipeline fertilizer filling type frequency conversion fertilizer distributor according to claim 1, it is characterized in that: fertilizer distributor controller (4), frequency converter (3) can be fixed on by main line (16), connect outside liquid fertilizer pipe (18), injection tube road converges on the framework that pipe (19) forms, also can be fixed in the external control cabinet, also can be that they all are fixed on the rigid frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02239255 CN2566604Y (en) | 2002-06-20 | 2002-06-20 | Pipe fertilizer filling type variable frequency fertilizer applicator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02239255 CN2566604Y (en) | 2002-06-20 | 2002-06-20 | Pipe fertilizer filling type variable frequency fertilizer applicator |
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| Publication Number | Publication Date |
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| CN2566604Y true CN2566604Y (en) | 2003-08-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02239255 Expired - Fee Related CN2566604Y (en) | 2002-06-20 | 2002-06-20 | Pipe fertilizer filling type variable frequency fertilizer applicator |
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| CN (1) | CN2566604Y (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101803507A (en) * | 2010-03-03 | 2010-08-18 | 北京农业智能装备技术研究中心 | Bypass automatic fertigation device and method thereof |
| CN103141204A (en) * | 2013-03-13 | 2013-06-12 | 中国农业科学院农业环境与可持续发展研究所 | Passive type formula fertilizer applicator and fertilizer applying method thereof |
| CN103210733A (en) * | 2013-04-28 | 2013-07-24 | 中国农业科学院农业环境与可持续发展研究所 | Formula fertilizer distributor |
| CN104798522A (en) * | 2015-05-06 | 2015-07-29 | 江苏大学 | Irrigating and disinfecting integrated testing device |
| CN105188343A (en) * | 2013-01-14 | 2015-12-23 | 亚拉国际有限公司 | Continuous dry particulate matter injection device for fertigation applications |
| CN105183054A (en) * | 2015-09-30 | 2015-12-23 | 江苏农林职业技术学院 | Remote precise irrigation and fertilization system and method for orchard |
| CN107593374A (en) * | 2017-10-26 | 2018-01-19 | 山东大学 | A kind of the water-fertilizer integral irrigation system and control method of branch road detection |
| CN108934390A (en) * | 2018-09-14 | 2018-12-07 | 农业部南京农业机械化研究所 | Automatic fine fertilizer applicator test platform and method |
| CN111010963A (en) * | 2019-12-24 | 2020-04-17 | 中国农业大学 | Fertilizing flow control method and system of differential pressure type fertilizing tank |
-
2002
- 2002-06-20 CN CN 02239255 patent/CN2566604Y/en not_active Expired - Fee Related
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101803507A (en) * | 2010-03-03 | 2010-08-18 | 北京农业智能装备技术研究中心 | Bypass automatic fertigation device and method thereof |
| US9961827B2 (en) | 2013-01-14 | 2018-05-08 | Yara International Asa | Continuous dry particulate matter injection device for fertigation applications |
| CN105188343A (en) * | 2013-01-14 | 2015-12-23 | 亚拉国际有限公司 | Continuous dry particulate matter injection device for fertigation applications |
| CN103141204B (en) * | 2013-03-13 | 2015-11-11 | 中国农业科学院农业环境与可持续发展研究所 | Passive type formula fertilizer distributor and fertilizing method |
| CN103141204A (en) * | 2013-03-13 | 2013-06-12 | 中国农业科学院农业环境与可持续发展研究所 | Passive type formula fertilizer applicator and fertilizer applying method thereof |
| CN103210733B (en) * | 2013-04-28 | 2015-04-08 | 中国农业科学院农业环境与可持续发展研究所 | Formula fertilizer distributor |
| CN103210733A (en) * | 2013-04-28 | 2013-07-24 | 中国农业科学院农业环境与可持续发展研究所 | Formula fertilizer distributor |
| CN104798522A (en) * | 2015-05-06 | 2015-07-29 | 江苏大学 | Irrigating and disinfecting integrated testing device |
| CN104798522B (en) * | 2015-05-06 | 2016-12-07 | 江苏大学 | The sterilization integrated assay device of a kind of irrigation |
| CN105183054A (en) * | 2015-09-30 | 2015-12-23 | 江苏农林职业技术学院 | Remote precise irrigation and fertilization system and method for orchard |
| CN107593374A (en) * | 2017-10-26 | 2018-01-19 | 山东大学 | A kind of the water-fertilizer integral irrigation system and control method of branch road detection |
| CN108934390A (en) * | 2018-09-14 | 2018-12-07 | 农业部南京农业机械化研究所 | Automatic fine fertilizer applicator test platform and method |
| CN111010963A (en) * | 2019-12-24 | 2020-04-17 | 中国农业大学 | Fertilizing flow control method and system of differential pressure type fertilizing tank |
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| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |