CN205317497U - Sectional type pesticide spraying volume spray deposition uniformity test system - Google Patents
Sectional type pesticide spraying volume spray deposition uniformity test system Download PDFInfo
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- CN205317497U CN205317497U CN201620031182.3U CN201620031182U CN205317497U CN 205317497 U CN205317497 U CN 205317497U CN 201620031182 U CN201620031182 U CN 201620031182U CN 205317497 U CN205317497 U CN 205317497U
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Abstract
The utility model relates to a sectional type pesticide spraying volume spray deposition uniformity test system belongs to agricultural machine technical field. This system includes that the bottom has the collection fog device of servo motor drive leading wheel, collection fog device contains the collection fog groove at the bottom of a set of funnel of following the range of direction, a collection fog test tube is settled to lower at the bottom of the funnel, the bottom of collection fog test tube has the solenoid valve, and lower part installation trigger sensor, predetermined altitude installs level sensor, trigger sensor and level sensor's signal output part meets control computer's collection signal input part, control computer's corresponding control output connects the controlled end of servo motor and solenoid valve respectively. Adopt the utility model discloses afterwards, not only realized at the interval dynamic real -time measurement of each sampling to but effective control test error, debugging, calibration, maintenance are all very convenient, thereby when raising the efficiency greatly, have guaranteed the measuring accuracy conscientiously.
Description
Technical field
The utility model relates to the test set of a kind of computer control, and especially a kind of sectional type pesticide spray amount distributing homogeneity test macro, belongs to agricultural technical field of measurement and test.
Background technology
According to the applicant understood, China's agricultural disease pest and weed year occurring area, more than 400,000,000 hectares times, uses preparation agricultural chemicals more than 1,500,000 tons in year. But pesticide application technology falls behind with equipment, and pesticide efficacy is only about 30%, and all the other a large amount of agricultural chemicals are lost in soil, water body, air, or remain in agricultural-food, seriously affect environmental safety, agricultural product quality and safety, and national healthy.
Pesticide spray amount distributing homogeneity is one of key factor determining pesticide efficacy, is also the main foundation evaluating pesticide application technology equipment environmental pollution, agricultural product quality and safety influence degree. up to now, pesticide spray amount distributing homogeneity testing method is: gathers liquid droplet by fixed collection mist groove, more manually weighs the spray amount in each testing section unit time one by one by measuring cup. it is low that this type of method not only tests efficiency, and measuring error is big, test precision is difficult to ensure. specifically, the mensuration of the characteristic that spray amount distributed needs the vapour inhalation parameter to the full range of spray gun (or spray boom sprays width entirely) synchronously to gather, the length (useful range) of the fixed collection mist groove of required test macro need to be greater than spray gun maximum range (or spray boom maximum spout width), usually 20m～30m is needed could to meet long-range spray gun and the test request of large-scale spray boom spraying machine, not only floor space is big, and maintenance, the calibration work of collection mist groove is also very complicated. in addition, the existing test to vapour inhalation characteristic adopts the method directly measured and collect Quality of fogdrop that each runner of mist groove gathers or volume in the identical time, namely in tested injecting-unit spraying certain time and after stopping, the Quality of fogdrop or the volume that are gathered by the collection each runner of mist groove successively by balance or graduated cylinder carry out manual measurement, or adopt bridge type LOAD CELLS to measure, not only level of automation is low, measuring accuracy also is difficult to ensure, the stability measured, reliability and precisely degree are all poor, and often need to its one by one to carry out method code more accurate, considerably increase the debugging of test macro, maintenance difficulties, reduce test efficiency.
Summary of the invention
The purpose of this utility model is: for above-mentioned technology Problems existing; propose a kind of test efficiency and test precision to be significantly increased; and compact construction, maintenance calibrate sectional type pesticide spray amount distributing homogeneity test macro easily; provide corresponding testing method simultaneously, thus provide the means of testing of more science for evaluating plant protection machinery environmental pollution and the impact on agricultural product quality and safety.
In order to reach above object, the basic technical scheme of sectional type pesticide spray amount distributing homogeneity test macro of the present utility model is: comprise the collection mist device that bottom has driven by servomotor guide deflection sheave, described collection mist device contains the collection mist groove of one group of hopper base along guide direction arrangement, and the lowest part of described hopper base settles collection mist test tube; The bottom of described collection mist test tube has magnetic valve, and triggering sensor is installed in bottom, predetermined height installs liquid level sensor; The signal of described triggering sensor and liquid level sensor exports the acquired signal input terminus of termination control computer, and the corresponding control output end of described control computer connects the controlled end of servomotor and magnetic valve respectively.
When adopting the test of said system, control computer runs by following basic step:
The first step, control driven by servomotor guide deflection sheave, drive collection mist device to arrive predetermined test station;
2nd step, control close each magnetic valve;
3rd step, when receive trigger sensor experience liquid mist time start timing;
4th step, when receiving the liquid level signal of liquid level sensor, the timing time of record respective episode mist groove, and determines whether last liquid level sensor; As no, then continue to receive record; In this way, then next step is carried out after recording;
5th step, control are opened each magnetic valve, and have been judged whether the test of predetermined spray area; As no, then control driven by servomotor guide deflection sheave, drive collection mist device to arrive next predetermined test station, repeat above 2nd step to the 4th step; In this way, then next step is carried out;
6th step, stopping test, output test result.
Can find out, after adopting the utility model, the vapour inhalation parameter in spray gun range (or spray boom spray width) direction can carry out aggregation process after segmentation collection, and the length therefore collecting mist groove can obviously shorten, and can meet the test needs of range (or spray width) different various injecting-unit. And the utility model adopts and measures the time test vapour inhalation characteristic that each collection mist test tube gathers same volume droplet, automatically area of a room when recording corresponding is measured by computer, thus obtain the test results such as vapour inhalation curve, not only achieve the dynamic real-time measurement between each sample region, as long as and ensure trigger sensor and the relative positional accuracy of liquid level sensor, can effectively control test error, therefore debug, calibration, safeguard all very convenient, thus while greatly raising the efficiency, conscientiously ensure that test precision.
Further, described guide deflection sheave is positioned on guide rail, and described guide rail is intervally distributed with the sensing chip corresponding to predetermined segment, and described collection mist device is equipped with the proximity switch that signal exports termination control computer corresponding signal input terminus.
Further again, the signal output terminal of described triggering sensor, liquid level sensor and proximity switch by be placed in collection mist device on wireless receiving and dispatching device and be positioned at control side wireless transmitter with control computer acquired signal input terminus be connected, the control output end of described control computer connects servomotor and the controlled end of each magnetic valve respectively by described wireless transmitter and wireless receiving and dispatching device.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is further described.
Fig. 1 is the structural representation of the utility model embodiment.
Fig. 2 is the vertical view of Fig. 1.
Fig. 3 is the side-view of Fig. 1.
Fig. 4 is that Fig. 1 embodiment once tests the Pcnten-1 yne-4 analysis diagram obtained.
Embodiment
Embodiment one
The sectional type pesticide spray amount distributing homogeneity test macro of the present embodiment as shown in Figure 1 to Figure 3, collection mist device be supported on bottom be positioned on assembly type guide rail 7 active guide deflection sheave 13 and driven guide wheel 11 on, each guide deflection sheave is connected by support 10.Transmission rig 14 driving coupling that active guide deflection sheave 13 wherein is consisted of bevel gear pair with the servomotor 8 being placed in collection mist device bottom. Assembly type guide rail 7 is provided with a proximity switch induction metal plate 4 every 1m, and collection mist device is equipped with proximity switch 12, and rechargeable battery 5 is for power supply. The top of collection mist device arranges the collection mist groove 1(length × wide 100cm × 10cm of one group of ten arc hopper base along guide direction), the lowest part of hopper base settles collection mist test tube 2. The bottom of collection mist test tube 2 has magnetic valve 3, and triggering sensor 6 ' is installed in the bottom of collection mist test tube 2, and predetermined height installs liquid level sensor 6. Trigger sensor 6 ', with the bottom collecting mist test tube 2, there is suitable distance (this distance can be determined by test according to the spray condition of collection mist test tube internal diameter and tested injecting-unit). Because the tested injecting-unit of whole test process is in atomize always, when test macro starts to test at a station, collection mist test tube there is raffinate unavoidably. The bottom triggering sensor and being placed in collection mist test tube is made the liquid collected arrive trigger sensor after just start timing, until the liquid level sensor that liquid arrives top stops timing, thus this guarantees that the present embodiment test macro can at multiple station continuously tested, without the need to allowing one of spraying machine crucial cause stopping spraying avoiding the liquid measuring error that causes of residual.
Triggering sensor 6 ' collects wireless receiving and dispatching device 16 on mist device with the signal output terminal of liquid level sensor 6 and the signal output terminal of proximity switch 12 by being placed in and connects, with the wireless transmitter 17 being positioned at control side, the acquired signal input terminus controlling computer 15, and the corresponding control output end of this control computer 15 then connects servomotor 8 and the controlled end of each magnetic valve 3 respectively by wireless transmitter 17 and wireless receiving and dispatching device 16.
During test, the main operation step of control computer 15 is:
The first step, control servomotor 8 drive guide deflection sheave 13, drive collection mist device to arrive the predetermined test station near tested injecting-unit along guide rail;
2nd step, control close each magnetic valve 3 so that it is start to receive the liquid mist of tested injecting-unit sprinkling;
3rd step, when receive trigger sensor 6 ' experience liquid mist time start timing;
4th step, when receiving the liquid level signal of a certain liquid level sensor 6, the timing time of record respective episode mist groove 2, and determine whether last (namely the tenth receive) liquid level sensor; As no, then continue to receive record; In this way, then next step is carried out after recording;
5th step, control are opened each magnetic valve 3, and have been judged whether the test of predetermined spray area, namely judge whether to be positioned at last test station; As no, then control driven by servomotor guide deflection sheave, drive collection mist device to arrive next predetermined test station, repeat above 2nd step to the 4th step; In this way, then next step is carried out;
6th step, stopping test, output test result.
After adopting the utility model, the vapour inhalation parameter in spray gun range (or spray boom spray width) direction can be carried out aggregation process after segmentation collection, therefore the length collecting mist groove can obviously shorten, and can meet the test needs of range (or spray width) different various injecting-unit. And the utility model adopts and measures the time test vapour inhalation characteristic that each collection mist test tube gathers same volume droplet, automatically area of a room when recording corresponding is measured by computer, thus obtain the test results such as vapour inhalation curve, not only achieve the dynamic real-time measurement between each sample region, as long as and ensure trigger sensor and the relative positional accuracy of liquid level sensor, can effectively control test error, therefore debug, calibration, safeguard all very convenient, thus while greatly raising the efficiency, conscientiously ensure that test precision.
Specifically, during test operation, test operation personnel input the relevant essential informations such as the model of tested plant protection injecting-unit facility, manufacturing enterprise, flow, spray pressure, range (or spray width) by the man-machine interface of control computer, and set the test parameter information such as the stroke range (range of >=tested injecting-unit or spray width) determining this test zone, initial station, then click startup test.Initiatively guide deflection sheave will rotate thereupon under the driving of servomotor, collection mist plant running is to the initial test station set in advance, the proximity switch being arranged on collection mist bottom of device senses the tinsel being arranged on assembly type guide rail, servomotor stall, collection mist device stops in required test station immediately.
Collection mist device is in the process moving to this station, and the magnetic valve that bottom is installed is in the state of opening; When, after collection mist plant running to this station, closed electromagnetic valve, collection mist test tube starts to collect liquid droplet. When the liquid collected arrives the triggering sensor of collection mist test tube bottom, control computer starts the mist test tube timing of corresponding collection (10 collection mist test tube timing respectively), when the liquid collected arrives the liquid level sensor on collection mist test tube top, computer stops timing, and show that respective episode mist test tube herb liquid arrives the time area of a room of upper sensor from lower sensor respectively.
After the liquid in last root collection mist test tube arrives top liquid level sensor, during the liquid collecting of 10 collection mist test tubes, the area of a room all measures complete, and all magnetic valves are controlled opens beginning discharge opeing. Meanwhile, servomotor is started working, and drives initiatively guide deflection sheave to rotate, and collection mist device is run to next station. When the proximity switch collected on mist device senses the next tinsel being arranged on assembly type guide rail, servomotor stopping work, collection mist device is also out of service immediately. In collection mist plant running process, the liquid in collection mist test tube is emptied completely.
After collection mist plant running reaches next station and stops, each closed electromagnetic valve, collection mist test tube starts to collect liquid droplet again, and the process of area of a room when repeating above-mentioned timing and draw each collection mist test tube liquid collecting respectively. So circulation, until all measuring complete by the spray amount distribution parameter needed for (i.e. the tested full range of plant protection facility or entirely spray width) in the stroke range set in advance.
The data that above segmentation gathers are processed by control computer, form the spray amount distribution rational curve of the tested full range of plant protection facility (or entirely spraying width), and can form analysis diagram, printout.
In the present embodiment, forming owing to collection mist device collects mist groove by 10, to there being 10 collection mist test tubes, the timing of each collection mist test tube independently carries out, and respectively collect mist test tube and trigger the amount of liquid medicine q sensor to top liquid level sensor from bottomsIt is certain, therefore according to the time of record, it is possible to converse the spray amount q that in the unit time, each collection mist test tube collectsi(i=1～10), i.e. qi=qs/Mj, MjFor collection mist test tube time the area of a room (j=1～10). Accordingly, computer is not difficult by qiValue draws the distribution rational curve of the spray amount in each cycle of operation one by one, and finally generate spray amount distribution rational curve (see Fig. 4) of the tested plant protection full range of injecting-unit facility (or entirely spraying width), and then calculate the spray amount distributing homogeneity variation coefficient according to calculation formula.
(1)
(2)
(3)
In formula:
N is along the testing section number (namely collecting mist groove number, the present embodiment n=10) in range (or spray width) direction
In unit time, 10 collect the mean number of the spray amount that mist test tube collects
q1、q2……qnThe spray amount that in unit time, each collection mist test tube collects
S standard deviation
The V variation coefficient
Being summed up, the present embodiment compared with prior art, has following obvious useful effect:
1) by " the breaking the whole up into parts " of test macro and test procedure so that structure is very compact, applying more flexible, data sectional collection manipulation is convenient, result is accurate
The mensuration of existing spray amount distribution characteristic needs the vapour inhalation parameter to the full range of spray gun (or spray boom sprays width entirely) synchronously to gather, fixed collection mist slot length (useful range) of required test macro need to be greater than spray gun maximum range (or spray boom maximum spout width, usual 20m～30m) long-range spray gun and the test request of large-scale spray boom spraying machine could be met, not only floor space is big, and maintenance, the calibration of collection mist groove is very numerous and diverse, apply limited.
The test macro of the present embodiment adopts and vapour inhalation parameter segmentation is gathered along spray gun range (or spray boom spray width) direction, carry out the testing method of full range (or entirely spraying width) data processing again, the length collecting mist groove is made to shorten between a sample region (1m), useful range is then by the random change of assembly type guide rail length, thus meet the needs seeing the different range of surveyed injecting-unit (or spray width), the ingenious drawback overcoming prior art and existing.
2) vapour inhalation characteristic test method not only level of automation height, and be easy to ensure test precision
The existing test to vapour inhalation characteristic adopts the method directly measured and collect Quality of fogdrop that each runner of mist groove gathers or volume in the identical time, namely in tested injecting-unit spraying certain time and after stopping, the Quality of fogdrop that the collection each runner of mist groove is gathered by employing balance or graduated cylinder successively or volume carry out manual measurement, or adopt bridge type LOAD CELLS to measure, not only labour intensity is big, and measuring accuracy also is difficult to ensure, it is subject to the multifactor impact such as Working environment, working condition, stability, reliability and the accurate degree measured are poor, and test efficiency is low.
The test macro innovation of the present embodiment adopt measure each collection mist groove (collection mist test tube) gather same volume droplet time the area of a room method, indirectly testing vapour inhalation characteristic, thus obtain vapour inhalation curve, not only achieve the dynamic real-time measurement between each sample region, and only need to ensure that in the course of processing of collection mist test tube the relative positional accuracy of sensor and top liquid level sensor is triggered in bottom, the error that when can effectively control to adopt, area of a room distribution characteristic present's vapour inhalation characteristic causes, thus ensure test precision.
3) very convenient by control data transfer of computer, Treatment Analysis, formation chart, printout
The remote automation to whole test process can be realized by supporting control computer to control, and in good time signals collecting, transfer, storage, process, formation characteristic curve, and by diagrammatic form printout, achieve collection mist device at each sampling, the precise positioning between test zone, slitless connection, and sampling, test deciding field whole-course automation control, it is to increase the overall measurement accuracy of sectional type pesticide spray amount distributing homogeneity test macro.
Claims (3)
1. a sectional type pesticide spray amount distributing homogeneity test macro, it is characterized in that: comprise the collection mist device that bottom has driven by servomotor guide deflection sheave, described collection mist device contains the collection mist groove of one group of hopper base along guide direction arrangement, and the lowest part of described hopper base settles collection mist test tube; The bottom of described collection mist test tube has magnetic valve, and triggering sensor is installed in bottom, predetermined height installs liquid level sensor; The signal of described triggering sensor and liquid level sensor exports the acquired signal input terminus of termination control computer, and the corresponding control output end of described control computer connects the controlled end of servomotor and magnetic valve respectively.
2. sectional type pesticide spray amount distributing homogeneity test macro according to claim 1, it is characterized in that: described guide deflection sheave is positioned on guide rail, described guide rail is intervally distributed with the sensing chip corresponding to predetermined segment, and described collection mist device is equipped with the proximity switch that signal exports termination control computer corresponding signal input terminus.
3. sectional type pesticide spray amount distributing homogeneity test macro according to claim 2, it is characterized in that: the signal output terminal of described triggering sensor, liquid level sensor and proximity switch by be placed in collection mist device on wireless receiving and dispatching device and be positioned at control side wireless transmitter with control computer acquired signal input terminus be connected, the control output end of described control computer connects servomotor and the controlled end of each magnetic valve respectively by described wireless transmitter and wireless receiving and dispatching device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620031182.3U CN205317497U (en) | 2016-01-13 | 2016-01-13 | Sectional type pesticide spraying volume spray deposition uniformity test system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620031182.3U CN205317497U (en) | 2016-01-13 | 2016-01-13 | Sectional type pesticide spraying volume spray deposition uniformity test system |
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| CN205317497U true CN205317497U (en) | 2016-06-15 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105510071A (en) * | 2016-01-13 | 2016-04-20 | 农业部南京农业机械化研究所 | System and method for testing distribution uniformity of sectional pesticide mist spraying quantity |
| CN112547393A (en) * | 2020-11-30 | 2021-03-26 | 浙江瑞丰五福气动工具有限公司 | Pneumatic spray gun paint spraying workbench |
| CN112896517A (en) * | 2021-02-05 | 2021-06-04 | 海南天然橡胶产业集团股份有限公司 | Rubber forest unmanned aerial vehicle effect testing arrangement that dusts |
-
2016
- 2016-01-13 CN CN201620031182.3U patent/CN205317497U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105510071A (en) * | 2016-01-13 | 2016-04-20 | 农业部南京农业机械化研究所 | System and method for testing distribution uniformity of sectional pesticide mist spraying quantity |
| CN105510071B (en) * | 2016-01-13 | 2017-10-20 | 农业部南京农业机械化研究所 | A kind of segmented pesticide spray amount distributing homogeneity test system and method for testing |
| CN112547393A (en) * | 2020-11-30 | 2021-03-26 | 浙江瑞丰五福气动工具有限公司 | Pneumatic spray gun paint spraying workbench |
| CN112896517A (en) * | 2021-02-05 | 2021-06-04 | 海南天然橡胶产业集团股份有限公司 | Rubber forest unmanned aerial vehicle effect testing arrangement that dusts |
| CN112896517B (en) * | 2021-02-05 | 2023-02-07 | 海南天然橡胶产业集团股份有限公司 | Forest unmanned aerial vehicle of rubber effect testing arrangement that dusts |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160615 Effective date of abandoning: 20171020 |
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| AV01 | Patent right actively abandoned |