CN101507428A - Suspension type pipeline spraying system and control method thereof - Google Patents
Suspension type pipeline spraying system and control method thereof Download PDFInfo
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- CN101507428A CN101507428A CNA2009100382630A CN200910038263A CN101507428A CN 101507428 A CN101507428 A CN 101507428A CN A2009100382630 A CNA2009100382630 A CN A2009100382630A CN 200910038263 A CN200910038263 A CN 200910038263A CN 101507428 A CN101507428 A CN 101507428A
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Abstract
The invention relates to the technical field of spraying of farmland spraying operation, and discloses a suspended pipeline spraying system. The system comprises a pipeline, a pipeline suspension control module, a pipeline winding and unwinding control module, a liquor feeding and spraying control module, a first power chassis and a second power chassis, wherein the pipeline suspension control module and the liquor feeding and spraying control module are arranged on the first power chassis; the pipeline winding and unwinding control module is arranged on the second power chassis; one end of the pipeline is connected to the pipeline winding and unwinding control module, and the other end of the pipeline is connected to the pipeline suspension control module and the liquor feeding and spraying control module; the pipeline is suspended above crops in virtue of the longitudinal suspension force of suspended air flow provided by the pipeline suspension control module and the transverse tension force of the pipeline winding and unwinding control module; a plurality of spraying outlets are arranged on the pipeline; and a feed liquor provided by the liquor feeding and spraying control module is sprayed on the crops through spraying outlets. The suspended pipeline spraying system has the advantages of wide operation scope and high work efficiency and precision.
Description
Technical field
The present invention relates to the technology that sprays that the farmland sprays operation, relate in particular to a kind of suspension type pipeline spraying system and control method thereof.
Background technology
Survey data shows that the annual whole world due to illness grain of Chinese caterpillar fungus plague of rats loss reaches 600,000,000 tons; In China, nearly 3 years (2004-2006), area takes place and reaches 52.3 hundred million mu times in the sick Chinese caterpillar fungus plague of rats every year, and average annual actual loss grain reaches 1,560 ten thousand tons, accounts for 3.3% of national total output of grain.Use agricultural chemicals can make grain reduce the loss about 15%, the protections of crops is had irreplaceable effect.At present; the equipment for plant protection that use in the whole nation is based on the manual and moving sprayer of minicomputer (); wherein manually dispenser medical instruments, power knapsack medical instruments account for 93.07% and 5.53% of domestic equipment for plant protection recoverable amount respectively, and tractor mounted equipment for plant protection accounts for 0.57% (Chinese plant protection plant quarantine net statistical data in 2006).In the process that adopts the conventional method spraying pesticide, the agricultural chemicals that spreads out from spraying equipment has only 25%-50% can be deposited on the crop leaf, the medicament of less than 1% can be deposited on the target pest, the medicament of less than 0.03% can cause insecticidal action, and the agricultural chemicals of all the other 50%-75% is then with forms such as volatilization, drifts and scatter and disappear.According to the agricultural product sample investigation of China Ministry of Agriculture to 26 bases of 6 provinces county, grain middle peasant medicine recall rate is 60.1%, and residual exceeding standard rate reaches 1.12%.(list of references: Fu Zetian, Qi Lijun. agricultural chemicals behaviour in service and solution agricultural chemicals excess are used the approach of problem both at home and abroad.Transactions of the Chinese Society of Agricultural Engineering, 1998,14 (2): 7-12; 2007 Chinese agricultures machinery statistics annual report; China plant protection plant quarantine net http://www.ppq.gov.cn/)
The backwardness and the agricultural resources effective rate of utilization that spray apparatus are low, have not only caused massive losses economically, and have brought problems such as serious water and soil resources pollute, the ecosystem is unbalance, quality of agricultural product descends and people's health is on the hazard.In order accurately to use agricultural chemicals, improve the rate that hits of agricultural chemicals, waste that the dispenser of effectively reduction blindness causes and the pollution that brings, improve operating efficiency, after the seventies in 20th century, some advanced persons' the technology that sprays is at home and abroad used successively, comprises that mainly automatic target detection spraying, wind send low volume, wind to send remote spray, electrostatic spray, recovery circulation spraying, anti-droplet drift spraying (with anti-waft shower nozzle and air curtain technology), aviation dispenser, large-scale spray boom spraying etc.But all there is different limitations in prior art, and some technology are still under test, does not see large-scale marketing application; Though some technology are applied, be difficult to average out at the aspects such as operating cost, efficient, accuracy, reliability and regional adaptability of dispenser.For example: the boom sprayer tool, usually adopt tractor mounted, common type has the serial sprayer of GreenSeeker RT200 spraying system, the UX of AMAZONE company of Ntech company, 4030 serial spraying machines of John Deere company, the 3WQX series wind curtain type boom sprayer of China Academy of Agriculture Mechanization etc., the maximum operation fabric width can reach 36 meters, the operating efficiency height; And can independently control the switching of shower nozzle, realize accurately spray medicine.But increase along with working width, operation quality and functional reliability that this is mechanical descend thereupon, show as: along with the increase of working width, need more large-scale dynamic power machine supporting with it, the overall weight that sprays machinery increases, the farm work through performance descends, and energy consumption strengthens, and operating cost rises; When the spraying operation, owing to being uneven of soil, farmland, spray boom easily produces swing during machine-walking, is difficult to make spray boom and ground to be moved in parallel; Along with the increase of spray bar length, the more difficult control of the balance of spray boom, easily contacting to earth in two ends, causes parts damages; And spray boom can produce vibration during with the power machine-walking unavoidably, easily causes the spray boom crossbeam to damage; In addition, when the less crop of agriculture requirement line-spacing is sprayed operation, because dynamic power machines such as tractor are difficult to enter the field piece, therefore it sprays function and is very limited, especially wet crop, for example paddy rice, line-spacing is little, and when paddy growth after seal the departure date, the row ridge is unintelligible, adopts the boom sprayer tool to be difficult to enter the field piece and realizes the operation of spray medicine.Again for example: the air-assisted spraying machine, usually be installed on the road vehicles, add the high-speed centrifugal fan supply air system on the basis of hydraulic atomization, to reach secondary-atomizing and the remote spray to droplet, atomizing effect is good, and can be with droplet by the nearly mist curtain that extremely far forms, far firing range, droplet is evenly distributed, and penetration power is strong, labour intensity is low, high efficiency.But this machinery exists droplet easily to drift about, accurately control limitations such as spraying effect is relatively poor, is generally used for large tracts of land such as tall and big crop, fruit tree and forest and sprays operation, the difficult needs that the less crop of agriculture requirement line-spacing sprayed operation that adapt to; In addition, when the land for growing field crops piece crop that increases range at needs sprays operation, the demand of power of fan is sharply increased, and it is wayward to spray precision.
Summary of the invention
At the shortcoming of prior art, the purpose of this invention is to provide a kind of scope that can widen operation, improve operating efficiency, can accurately be transported to feed liquid at position that the field piece need spray, closely crop be sprayed, can improve homework precision and reduce the suspension type pipeline spraying system of feed liquid loss again.The present invention also provides a kind of control method of suspension type pipeline spraying system.
For achieving the above object, technical scheme of the present invention is: a kind of suspension type pipeline spraying system comprises that pipeline, pipeline suspension control module, pipeline twine the expansion control module, feed liquid is supplied with and sprayed control module, first power chassis and second power chassis; Pipeline suspension control module and feed liquid supply spray control module and are installed on first power chassis, and pipeline twines the expansion control module and is installed on second power chassis;
One end of pipeline is connected pipeline and twines on the expansion control module, and the other end is connected pipeline suspension control module and the feed liquid supply sprays on the control module; Vertical suspending power of the suspension air-flow that pipeline provides by pipeline suspension control module and pipeline twine the lateral tension power of launching control module and are suspended in the crop top;
Pipeline is provided with a plurality of outlets that spray, and the feed liquid that the feed liquid supply sprays control module to be provided sprays on crop by spraying outlet.
Described pipeline adopts the single cavity tubular construction, after the suspension air-flow that pipeline suspension control module provides and feed liquid the feed liquid that sprays control module and provide are provided are mixed, blow out from spraying outlet, spray on crop, the reaction force that sprays the air-flow formation of outlet ejection provides vertical suspending power to pipeline.
Described pipeline adopts double lumen, comprises suspension lumen and feed liquid lumen; The suspension air-flow that is provided by pipeline suspension control module that makes pipeline produce vertical suspending power is provided in the suspension lumen, and the density of the air-flow that wherein suspends is less than atmospheric density; The feed liquid lumen is provided with a plurality of outlets that spray, and feed liquid is provided by the feed liquid spray control module and provide is sprayed on crop from spraying outlet.
Described pipeline adopts three lumen structures, comprises the auxiliary lumen that sprays of suspension lumen, feed liquid lumen and air-flow; The suspension air-flow that is provided by pipeline suspension control module that makes pipeline produce vertical suspending power is provided in the suspension lumen, and the density of the air-flow that wherein suspends is less than atmospheric density; The feed liquid lumen is provided with a plurality of outlets that spray, feed liquid is provided by the feed liquid spray control module and provide sprays on crop from spraying outlet, air-flow is auxiliary to spray lumen and is provided with a plurality of exhaust vents, exhaust vent is arranged in the adjacent position that sprays outlet of feed liquid lumen, and the high pressure draught that the feed liquid supply sprays control module to be provided forms the air curtain of giving vent to anger together by the auxiliary exhaust vent that sprays lumen of air-flow along the direction that sprays that sprays outlet.
Described pipeline suspension control module comprises air accumulator, gas compressor, air bleeding valve, extraction valve, pressure sensor and first controller; Air accumulator is connected with pipeline by air bleeding valve, and gas compressor is connected with pipeline by extraction valve, and pressure sensor is used to detect ducted gas pressure value, and first controller is used to control gas compressor, air bleeding valve and extraction valve.
Described pipeline twines and launches control module is can be according to the pipeline hoist of pre-tension auto-tensioning, it comprises tensile force sensor, hoist rotary machine and pivoting controller, the tensile force sensor is used to detect the tensile force F of pipeline, and pivoting controller launches or winding pipeline according to the comparative result control hoist rotary machine of tensile force F and pre-tension G.
Described feed liquid is supplied with and sprayed control module is the controllable sprayer of feed liquid conveying capacity or fogger or duster, and it comprises feed liquid storage bin, feed liquid processing conveying plant, feed liquid gage probe, control valve and second controller; When spraying operation, feed liquid in the storage bin is handled through the processing conveying plant, obtains the feed liquid that needs, and controller is handled control valve according to the feedback of feed liquid gage probe, with feed liquid by needed flow volume delivery to pipeline.
Described pipeline suspension control module and feed liquid are supplied with the terrain clearance that sprays control module and can be regulated by the actuation means on first power chassis, and pipeline twines the terrain clearance of launching control module also can be regulated by the actuation means on second power chassis.
Described pipeline is made by flexible material; Described first power chassis and second power chassis are the farmland operation dynamic power machine.
The present invention also provides a kind of control method of suspension type pipeline spraying system, and it may further comprise the steps:
A, before operation the preparatory stage, at first first power chassis and second power chassis are placed the same end on corresponding two ridges of field piece or special use row ridge respectively, and regulate pipeline suspension control module, pipeline winding expansion control module and feed liquid according to the height of crop with the needs that spray operation and supply with the terrain clearance that sprays control module; Start pipeline then and twine the expansion control module, one end of being in charge of is pulled out it from pipeline twine to launch control module, and the joint on each lumen of this end is securely sealed to pipeline suspension control module and feed liquid respectively supplies with and spray on the interface of control module correspondence; Then pipeline suspension control module provides the suspension air-flow by air bleeding valve to pipeline, so that pipeline obtains required suspending power; According to the needs pre-tension that sprays operation, make pipeline twine the expansion control module and enter the auto-tensioning state of a control; Start the feed liquid supply and spray control module, feed liquid is transported to pipeline;
B, spraying sessions, making spraying operation and covering whole field piece of pipeline by the motion of controlling first power chassis and second power chassis; Supply with the regulation and control that spray control module by feed liquid feed liquid is transported to the position that the field piece need spray, realize accurately spraying; When the field piece was irregular, pipeline twined and launches control module is adjusted pipeline automatically according to pre-tension length; When the gas pressure change in the pipeline, pipeline suspension control module detects the comparative result of ducted gas pressure and preset pressure value according to pressure sensor, inflation or bleed in the trend pipeline;
C, after operation clean-up phase, close feed liquid and supply with and to spray control module, stop to carry feed liquid to pipeline; Then the extraction valve of opening conduits suspension control module is closed air bleeding valve, and the gas in the suspension lumen is recovered in the air accumulator; Supply sprays being connected of control module corresponding interface with feed liquid with pipeline suspension control module to unclamp each lumen top connection of pipeline at last, twines the expansion control module by pipeline pipeline is regained.
Compared with prior art, the invention has the beneficial effects as follows:
The vaporific feed liquid or powdery feed liquid or cigarette shape feed liquid or the liquid feed liquid that adopt the pipe method guiding to spray, the pipeline fabric width can be regulated, can widen the scope of operation, improve operating efficiency, can accurately be transported to the position that the field piece need spray to feed liquid again, can closely spray, improve homework precision, reduce the feed liquid loss crop.Pipeline adopts the form of multi-lumen tube, and the suspension lumen is exclusively used in to pipeline provides suspending power, guarantees still to be unlikely to excessive sag when the pipeline fabric width surpasses 30 meters, can widen the coverage that single sprays operation; The auxiliary lumen that sprays of air-flow can improve the defensive ability/resistance ability that when spraying operation natural wind is disturbed, and reduces the drift that sprays feed liquid.Pipeline adopts flexibility can draw curling material in, and is equipped with pipeline winding expansion control module, and the length of pipeline can be adjusted automatically according to the working width that sprays of reality, makes the whole operation that sprays operating system become easier, quick, reliable.Spraying operation part is installed on respectively on two dynamic power machine chassis, only pipeline is suspended in the crop top, two power chassis need not enter the field piece, can on ridge or special-purpose capable ridge, walk, solve the problem that dynamic power machine such as when the less crop of agriculture requirement line-spacing is sprayed operation tractor is difficult to enter the field piece.Enforcement of the present invention, can widen the coverage that single sprays operation greatly, improve operating efficiency, reduce drift, improve the adhesive force of agricultural chemicals and the rate that hits, improve the availability of agricultural chemicals, reduce operating cost, reduce pollution, improve agroecological environment environment, improve quality of agricultural product, ensure the sustainable development of agricultural.
Description of drawings
Fig. 1 is the structure principle chart of suspension type pipeline spraying system of the present invention;
Fig. 2 is the cutaway view of employing single cavity tubular construction pipeline of the present invention;
Fig. 3 is the cutaway view of employing double lumen pipeline of the present invention;
Fig. 4 is the cutaway view of employing three lumen structure pipelines of the present invention;
Fig. 5 is the structural representation of pipeline suspension control module of the present invention;
Fig. 6 is that pipeline of the present invention twines the structural representation that launches control module;
Fig. 7 supplies with the structural representation that sprays control module for feed liquid of the present invention;
Fig. 8 is a use flow chart embodiment illustrated in fig. 1.
Embodiment
Below in conjunction with accompanying drawing the present invention is described in detail.
As Fig. 1, a kind of suspension type pipeline spraying system, it is twined by pipeline 1, pipeline suspension control module 2, pipeline and launches control module 3, feed liquid and supply with and spray control module 4, first power chassis 5, second power chassis, 6 six parts and form; One end of pipeline 1 is connected pipeline and twines on the expansion control module 3, and the other end is connected pipeline suspension control module 2 and the feed liquid supply sprays on the control module 4; Pipeline suspension control module 2 and feed liquid supply spray control module 4 and are installed on first power chassis 5, and pipeline twines expansion control module 3 and is installed on second power chassis 6; Pipeline suspension control module 2, pipeline twine and launch control module 3, feed liquid is supplied with the terrain clearance that sprays control module 4 and can suitably be regulated by the actuation means on first power chassis 5 and second power chassis 6; Pipeline 1 is suspended in the crop top by the vertical suspending power of pipeline suspension control module 2 and the lateral tension power of pipeline winding expansion control module 3; Feed liquid is supplied with to spray through feed liquid and is transported to the position that the field piece need spray by pipeline 1 after control module 4 is regulated and control; Appropriate exercise by first power chassis 5 and second power chassis 6 makes spraying operation and covering whole field piece of pipeline 1.Pipeline 1 is provided with a plurality of outlets 101 that spray, and the feed liquid that the feed liquid supply sprays control module 4 to be provided sprays on crop by spraying outlet 101.Describedly spray outlet 101 and can be and spray hole or nozzle.
Said pipeline 1 is made by flexible material in this suspension type pipeline spraying system, and is collapsible, can curl.As shown in Figure 2, pipeline 1 can adopt the single cavity tubular construction, be provided with a plurality of outlets 101 that spray thereon, the suspension air-flow that pipeline suspension control module 2 provides and feed liquid are supplied with and are sprayed after powdery feed liquid that control module 4 provides or cigarette shape feed liquid or fine mist feed liquid mix, blow out from spraying outlet 101, spray on crop, simultaneously, the reaction force that sprays the air-flow formation of outlet 101 ejections provides vertical suspending power for pipeline 1.As shown in Figure 3, pipeline 1 also can adopt double lumen, comprises suspension lumen 102 and feed liquid lumen 103; Suspension lumen 102 is specifically designed to vertical suspending power to pipeline 1 is provided; Feed liquid lumen 103 is provided with a plurality of outlets 101 that spray, and feed liquid is supplied with sprayed vaporific feed liquid that control module 4 provides or powdery feed liquid or cigarette shape feed liquid or liquid feed liquid from spraying outlet 101 ejections, sprays on crop.As shown in Figure 4, pipeline 1 also can adopt three lumen structures, comprises the auxiliary lumen 104 that sprays of suspension lumen 102, feed liquid lumen 103 and air-flow; Suspension lumen 102 is specifically designed to vertical suspending power to pipeline 1 is provided; Feed liquid lumen 103 is provided with a plurality of outlets 101 that spray, and feed liquid is supplied with sprayed vaporific feed liquid that control module 4 provides or powdery feed liquid or cigarette shape feed liquid or liquid feed liquid from spraying outlet 101 ejections, sprays on crop; Air-flow is auxiliary to spray lumen and is provided with a plurality of exhaust vents 105, be arranged in the adjacent position that sprays outlet 101 of feed liquid lumen 103, with feed liquid supply with spray high pressure draught that control module 4 provides by the auxiliary exhaust vent 105 of lumen 104 that sprays of air-flow along the air curtain of giving vent to anger that direction ejection back forms one cone-shaped that sprays that sprays outlet 101, this air curtain of giving vent to anger can effectively blow feed liquid to crop, and the minimizing feed liquid sprays the drift in the process; In addition, the air curtain of giving vent to anger of formation can also overturn blade of crop etc., makes integral body such as blade can both be sprayed application to feed liquid, has improved spraying effect.In suspension lumen 102, charge into gas or the mist of density,, vertical suspending power is provided for pipeline 1 to produce suspending power upwards less than air.
As shown in Figure 5, said pipeline suspension control module 2 comprises air accumulator 201, gas compressor 202, air bleeding valve 203, extraction valve 204, pressure sensor 205 and first controller 206 in this suspension type pipeline spraying system; When suspension type pipeline spraying system starts, extraction valve 204 is closed, air bleeding valve 203 is opened, gas in the air accumulator 201 enters the suspension lumen 102 of pipeline 1 through air bleeding valve 203, make pipeline 1 produce vertical suspending power, when pressure sensor 205 detected that gas pressure reaches the preset value scope in the suspension lumen 102, air bleeding valve 203 was closed.In spraying operation process, pipeline suspension control module 2 enters automatic adjustment state, when pressure sensor 205 detects that gas pressure is lower than the preset value scope in the suspension lumen 102, extraction valve 204 is closed, air bleeding valve 203 is opened, and the gas process air bleeding valve 203 in the air accumulator 201 is to suspension lumen 102 make-up gas; When pressure sensor 205 detected that gas pressure is in the preset value scope in the suspension lumen 102, extraction valve 204 was closed, and air bleeding valve 203 is closed; When pressure sensor 205 detected in the suspension lumen 102 gas pressure and surpasses the preset value scope, extraction valve 204 was opened, and air bleeding valve 203 is closed, and gas compressor 202 runnings are withdrawn into the portion gas in the suspension lumen 102 in the air accumulator 201.During the suspension type pipeline spraying system end-of-job, extraction valve 204 is opened, and air bleeding valve 203 is closed, and gas compressor 202 runnings are recovered to the gas in the suspension lumen 102 in the air accumulator 201.
As shown in Figure 6, said pipeline winding expansion control module 3 is to comprise tensile force sensor 301 and hoist rotary machine 302 and pivoting controller 303 according to the pipeline hoist of pre-tension auto-tensioning in this suspension type pipeline spraying system; In suspension type pipeline spraying system when work,, if when tensile force sensor 301 detects tensile force F on the pipeline 1 greater than pre-tension G, hoist rotary machine 302 rotates to the direction of launching pipeline 1, is deployed into needed length up to pipeline 1; When if tensile force sensor 301 detects tensile force F on the pipeline 1 less than pre-tension G, hoist rotary machine 302 rotates to the direction of winding pipeline 1, draws needed length in up to pipeline 1.
As shown in Figure 7, to supply with and spray control module 4 be the controllable sprayer of feed liquid conveying capacity or fogger or duster for said feed liquid in this suspension type pipeline spraying system, comprises feed liquid storage bin 401, feed liquid processing conveying plant 402, feed liquid gage probe 403, control valve 404 and second controller 405; When spraying operation, feed liquid in the storage bin 401 is handled through processing conveying plant 402, obtain vaporific feed liquid or powdery feed liquid or the cigarette shape feed liquid or the liquid feed liquid of needs, second controller 405 is handled control valve 404 according to the feedback of feed liquid gage probe 403, and feed liquid is pressed needed flow volume delivery to feed liquid lumen 103.
Said first power chassis 5 and second power chassis 6 are farmland operation dynamic power machines in this suspension type pipeline spraying system.
As shown in Figure 8, the control method of this suspension type pipeline spraying system is as follows: will spray operation process and be divided into before the operation and prepare, clear up three phases after spraying operation, operation.
(1) preparatory stage before operation, at first first power chassis 5 and second power chassis 6 are placed the same end on corresponding two ridges of field piece or special use row ridge respectively, and regulate pipeline suspension control module 2, pipeline winding expansion control module 3 and feed liquid according to the height of crop with the needs that spray operation and supply with the terrain clearance that sprays control module 4; Start pipeline then and twine expansion control module 3, be in charge of an end of 1 and it is twined from pipeline launch to pull out the control module 3, and the joint on each lumen of this end is connected to the supply of pipeline suspension control module 2 and feed liquid respectively fit sealing sprays on the interface of control module 4 correspondences; Then the air bleeding valve 203 of opening conduits suspension control module 2 makes pipeline 1 obtain required suspending power; According to the needs pre-tension that sprays operation, make pipeline twine expansion control module 3 and enter the auto-tensioning state of a control; Start feed liquid at last and supply with and to spray control module 4, with feed liquid by needed flow volume delivery to feed liquid lumen 103, high pressure draught is imported air-flow assists and spray lumen 104, suspension type pipeline spraying system enters job state.
(2) spraying sessions, making spraying operation and covering whole field piece of pipeline 1 by the appropriate exercise of controlling first power chassis 5 and second power chassis 6.Supply with the regulation and control that spray control module 4 by feed liquid feed liquid is transported to the position that the field piece need spray, realize accurately spraying.When the field piece is irregular, pipeline twines and launches control module 3 is adjusted pipeline 1 automatically according to pre-tension length, if the field piece broadens, tensile force sensor 301 detects tensile force F on the pipeline 1 greater than pre-tension G, hoist rotary machine 302 rotates to the direction of launching pipeline 1, is deployed into needed length up to pipeline 1; If the field piece narrows down, tensile force sensor 301 detects tensile force F on the pipeline 1 less than pre-tension G, and hoist rotary machine 302 rotates to the direction of winding pipeline 1, draws needed length in up to pipeline 1.When the length variations of pipeline 1, pipeline suspension control module 2 is regulated gas pressure in the suspension lumen 102 automatically, when pressure sensor 205 detects that gas pressure is lower than the preset value scope in the suspension lumen 102, extraction valve 204 is closed, air bleeding valve 203 is opened, and the gas process air bleeding valve 203 in the air accumulator 201 is to suspension lumen 102 make-up gas; When pressure sensor 205 detected that gas pressure is in the preset value scope in the suspension lumen 102, extraction valve 204 was closed, and air bleeding valve 203 is closed; When pressure sensor 205 detected in the suspension lumen 102 gas pressure and surpasses the preset value scope, extraction valve 204 was opened, and air bleeding valve 203 is closed, and gas compressor 202 runnings are withdrawn into the portion gas in the suspension lumen 102 in the air accumulator 201.
(3) clean-up phase after operation is at first closed the feed liquid supply and is sprayed control module 4, stops to carry feed liquids to feed liquid lumen 103, stops to the auxiliary lumen 104 input high pressure draughts that spray of air-flow.Power chassis stops.Then the extraction valve 204 of opening conduits suspension control module 2 is closed air bleeding valve 203, and gas compressor 202 runnings are recovered to the gas in the suspension lumen 102 in the air accumulator 201.Supply sprays being connected of control module 4 corresponding interfaces with feed liquid with pipeline suspension control module 2 to unclamp pipeline 1 each lumen top connection then, is twined by pipeline and launches control module 3 with pipeline 1 withdrawal.
Claims (10)
1, a kind of suspension type pipeline spraying system is characterized in that comprising pipeline (1), provides the pipeline suspension control module (2) of suspension air-flow, pipeline winding expansion control module (3), the feed liquid of lateral tension power being provided for pipeline (1) to supply with and spray control module (4), first power chassis (5) and second power chassis (6) to pipeline (1); Pipeline suspension control module (2) and feed liquid supply spray control module (4) and are installed on first power chassis (5), and pipeline twines expansion control module (3) and is installed on second power chassis (6);
One end of pipeline (1) is connected pipeline and twines on the expansion control module (3), and the other end is connected pipeline suspension control module (2) and the feed liquid supply sprays on the control module (4); Vertical suspending power that the suspension air-flow that pipeline (1) provides by pipeline suspension control module (2) forms and pipeline twine the lateral tension power of launching control module (3) and are suspended in the crop top;
Pipeline (1) a plurality of feed liquids that will spray control module (4) and provide is provided sprays spray outlet (101) on crop.
2, suspension type pipeline spraying system according to claim 1, it is characterized in that: described pipeline (1) adopts the single cavity tubular construction, after the suspension air-flow that pipeline suspension control module (2) provides and feed liquid the feed liquid that sprays control module (4) and provide are provided are mixed, blow out from spraying outlet (101), spray on crop, the reaction force that sprays the air-flow formation of outlet (101) ejection provides vertical suspending power for pipeline (1).
3, suspension type pipeline spraying system according to claim 1 is characterized in that: described pipeline (1) adopts double lumen, comprises suspension lumen (102) and feed liquid lumen (103); The suspension air-flow that is provided by pipeline suspension control module (2) that makes pipeline produce vertical suspending power is provided in the suspension lumen (102), and the density of the air-flow that wherein suspends is less than atmospheric density; Feed liquid lumen (103) is provided with a plurality of outlets (101) that spray, and feed liquid is provided by the feed liquid spray control module (4) and provide is sprayed on crop from spraying outlet (101).
4, suspension type pipeline spraying system according to claim 1 is characterized in that: described pipeline (1) adopts three lumen structures, comprises the auxiliary lumen (104) that sprays of suspension lumen (102), feed liquid lumen (103) and air-flow; The suspension air-flow that is provided by pipeline suspension control module (2) that makes pipeline produce vertical suspending power is provided in the suspension lumen (102), and the density of the air-flow that wherein suspends is less than atmospheric density; Feed liquid lumen (103) is provided with a plurality of outlets (101) that spray, feed liquid is provided by the feed liquid spray control module (4) and provide sprays on crop from spraying outlet (101), air-flow is auxiliary to spray lumen (104) and is provided with a plurality of exhaust vents (105), exhaust vent (105) is arranged in the adjacent position that feed liquid lumen (103) sprays outlet (101), and the high pressure draught that the feed liquid supply sprays control module (4) to be provided forms the air curtain of giving vent to anger together by the auxiliary exhaust vent (105) that sprays lumen (104) of air-flow along the direction that sprays that sprays outlet (101).
5, according to each described suspension type pipeline spraying system of claim 1 to 4, it is characterized in that: described pipeline suspension control module (2) comprises air accumulator (201), gas compressor (202), air bleeding valve (203), extraction valve (204), pressure sensor (205) and first controller (206); Air accumulator (201) is connected with pipeline (1) by air bleeding valve (203), gas compressor (202) is connected with pipeline (1) by extraction valve (204), pressure sensor (205) is used for detecting the gas pressure value of pipeline (1), and first controller (206) is used to control gas compressor (202), air bleeding valve (203) and extraction valve (204).
6, suspension type pipeline spraying system according to claim 1, it is characterized in that: described pipeline twines and launches control module (3) is can be according to the pipeline hoist of pre-tension auto-tensioning, it comprises tensile force sensor (301), hoist rotary machine (302) and pivoting controller (303), tensile force sensor (301) is used to detect the tensile force F of pipeline (1), and pivoting controller (303) launches or winding pipeline (1) according to the comparative result control hoist rotary machine (302) of tensile force F and pre-tension G.
7, suspension type pipeline spraying system according to claim 1, it is characterized in that: described feed liquid is supplied with and sprayed control module (4) is the controllable sprayer of feed liquid conveying capacity or fogger or duster, and it comprises feed liquid storage bin (401), feed liquid processing conveying plant (402), feed liquid gage probe (403), control valve (404) and second controller (405); When spraying operation, feed liquid in the storage bin (401) is handled through processing conveying plant (402), obtain the feed liquid of needs, controller (405) is handled control valve (404) according to the feedback of feed liquid gage probe (403), and feed liquid is arrived pipeline (1) by needed flow volume delivery.
8, suspension type pipeline spraying system according to claim 1, it is characterized in that: described pipeline suspension control module (2) and feed liquid are supplied with the terrain clearance that sprays control module (4) and can be regulated by the actuation means on first power chassis (5), and pipeline twines the terrain clearance of launching control module (3) also can be regulated by the actuation means on second power chassis (6).
9, suspension type pipeline spraying system according to claim 1 is characterized in that: described pipeline (1) is made by flexible material; Described first power chassis (5) and second power chassis (6) are the farmland operation dynamic power machine.
10, a kind of control method of suspension type pipeline spraying system is characterized in that may further comprise the steps:
A, before operation the preparatory stage, at first first power chassis (5) and second power chassis (6) are placed the same end on corresponding two ridges of field piece or special use row ridge respectively, and regulate pipeline suspension control module (2), pipeline winding expansion control module (3) and feed liquid according to the height of crop with the needs that spray operation and supply with the terrain clearance that sprays control module (4); Start pipeline then and twine expansion control module (3), one end of being in charge of (1) twines it and launches to pull out the control module (3) from pipeline, and the joint on each lumen of this end is securely sealed to pipeline suspension control module (2) respectively and feed liquid is supplied with on the interface that sprays control module (4) correspondence; Then pipeline suspension control module (2) provides the suspension air-flow for pipeline (1) by air bleeding valve (203), so that pipeline (1) obtains required suspending power; According to the needs pre-tension that sprays operation, make pipeline twine expansion control module (3) and enter the auto-tensioning state of a control; Start the feed liquid supply and spray control module (4), feed liquid is transported to pipeline (1);
B, spraying sessions, making spraying operation and covering whole field piece of pipeline (1) by the motion of controlling first power chassis (5) and second power chassis (6); Supply with the regulation and control that spray control module (4) by feed liquid feed liquid is transported to the position that the field piece need spray, realize accurately spraying; When the field piece was irregular, pipeline twined and launches control module (3) is adjusted pipeline (1) automatically according to pre-tension length; When the gas pressure change in the pipeline (1), pipeline suspension control module (2) detects the gas pressure in the pipeline (1) and the comparative result of preset pressure value according to pressure sensor (205), inflation or bleed in trend pipeline (1);
C, after operation clean-up phase, close feed liquid and supply with and to spray control module (4), stop to carry feed liquid to pipeline (1); Then the extraction valve (204) of opening conduits suspension control module (2) is closed air bleeding valve (203), and the gas in the suspension lumen (102) is recovered in the air accumulator (201); Supply sprays being connected of control module (4) corresponding interface with feed liquid with pipeline suspension control module (2) to unclamp each lumen top connection of pipeline (1) at last, twines expansion control module (3) by pipeline pipeline (1) is regained.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100382630A CN101507428B (en) | 2009-03-27 | 2009-03-27 | Suspension type pipeline spraying system and control method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100382630A CN101507428B (en) | 2009-03-27 | 2009-03-27 | Suspension type pipeline spraying system and control method thereof |
Publications (2)
| Publication Number | Publication Date |
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| CN101507428A true CN101507428A (en) | 2009-08-19 |
| CN101507428B CN101507428B (en) | 2011-01-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2009100382630A Expired - Fee Related CN101507428B (en) | 2009-03-27 | 2009-03-27 | Suspension type pipeline spraying system and control method thereof |
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| Country | Link |
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| CN (1) | CN101507428B (en) |
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| CN102823572A (en) * | 2012-09-10 | 2012-12-19 | 闫鹏 | Sliding suspension type balance system |
| CN103350926A (en) * | 2013-07-31 | 2013-10-16 | 华南农业大学 | Automatic unwinding and rewinding control system and method for flexible pipeline |
| CN107372427A (en) * | 2017-07-31 | 2017-11-24 | 华南农业大学 | One kind is floated to spray operating system and its control method |
| CN107509715A (en) * | 2017-09-13 | 2017-12-26 | 芜湖皖江知识产权运营中心有限公司 | Chemical application to fruit tree equipment |
| CN107567796A (en) * | 2017-09-13 | 2018-01-12 | 芜湖皖江知识产权运营中心有限公司 | Farmland application equipment |
| CN108651241A (en) * | 2018-07-18 | 2018-10-16 | 沈阳农业大学 | A kind of gas-liquid two-phase is from suspension type mobile sprinkling irrigation equipment |
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| CN2369494Y (en) * | 1999-05-03 | 2000-03-22 | 浙江大学 | Movable sprayer suitable for pesticide biological determination |
| US6820828B1 (en) * | 2002-10-23 | 2004-11-23 | Arnold J Greenwalt | Circle irrigation chemical application |
| CN2724411Y (en) * | 2004-05-11 | 2005-09-14 | 蔡基松 | Suspension type liquid spraying tube |
| CN2855546Y (en) * | 2005-12-30 | 2007-01-10 | 张宏芝 | Pressure-regulation type sprayer coordinated with agricultural machinery |
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| CN102823572A (en) * | 2012-09-10 | 2012-12-19 | 闫鹏 | Sliding suspension type balance system |
| CN102823572B (en) * | 2012-09-10 | 2013-11-06 | 闫鹏 | Sliding suspension type balance system |
| CN103350926A (en) * | 2013-07-31 | 2013-10-16 | 华南农业大学 | Automatic unwinding and rewinding control system and method for flexible pipeline |
| CN103350926B (en) * | 2013-07-31 | 2016-01-20 | 华南农业大学 | A kind of flexible duct automatic deploying and retracting control system and method |
| CN107372427A (en) * | 2017-07-31 | 2017-11-24 | 华南农业大学 | One kind is floated to spray operating system and its control method |
| CN107509715A (en) * | 2017-09-13 | 2017-12-26 | 芜湖皖江知识产权运营中心有限公司 | Chemical application to fruit tree equipment |
| CN107567796A (en) * | 2017-09-13 | 2018-01-12 | 芜湖皖江知识产权运营中心有限公司 | Farmland application equipment |
| JP2019165750A (en) * | 2017-11-06 | 2019-10-03 | 株式会社エアロネクスト | Flight unit and control method of flight unit |
| CN108651241A (en) * | 2018-07-18 | 2018-10-16 | 沈阳农业大学 | A kind of gas-liquid two-phase is from suspension type mobile sprinkling irrigation equipment |
| CN112400845A (en) * | 2020-11-26 | 2021-02-26 | 华南农业大学 | Parameter-adjustable pneumatic auxiliary electrostatic sprayer |
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