CN101576401B - Spray-volume vertical distribution measuring method and special measuring device - Google Patents
Spray-volume vertical distribution measuring method and special measuring device Download PDFInfo
- Publication number
- CN101576401B CN101576401B CN2009100272715A CN200910027271A CN101576401B CN 101576401 B CN101576401 B CN 101576401B CN 2009100272715 A CN2009100272715 A CN 2009100272715A CN 200910027271 A CN200910027271 A CN 200910027271A CN 101576401 B CN101576401 B CN 101576401B
- Authority
- CN
- China
- Prior art keywords
- droplet
- liquid
- vertical distribution
- acquisition device
- fog
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Measuring Volume Flow (AREA)
Abstract
The invention relates to a spray-volume vertical distribution measuring method and a special measuring device, and belongs to the technical field of agriculture and forestry engineering test. The method comprises the following steps: setting a fog droplet acquisition device and a liquid volume distribution measuring instrument, placing an atomizing machine or a spray head to be measured in front of the fog droplet acquisition device, starting a power device, intercepting droplets after the fog droplets enter the fog droplet acquisition device, depositing the droplets on each layer of liquid accumulating groove from the top to bottom, and reading accumulated liquid volume in each liquid accumulating tube after the droplets enter each liquid accumulating tube of the liquid volume distribution measuring instrument through a guide tube so as to acquire a fog droplet vertical distribution volume measuring result. The fog droplet acquisition device consists of a fog droplet intercepting flowpassage, and the lowest part of the fog droplet intercepting flow passage is provided with the liquid accumulating groove; the liquid volume distribution measuring instrument consists of a row of ver tical liquid accumulating tubes; and the lowest part of each fog droplet intercepting flow passage is connected to the liquid accumulating tubes through the guide tube in turn respectively. The invention not only provides accurate and efficient detection means for the detection of spray volume performance of plant protection machinery, but also provides scientific basis for the optimization of operation parameters of the atomizing machine.
Description
Technical field
The present invention relates to a kind of spray amount assay method, especially a kind of spray-volume vertical distribution measuring method also relates to spray amount vertical distribution special measuring device simultaneously, belongs to agricultural Engineering Testing Technique field.
Background technology
Understand according to the applicant; in the various performance tests of spraying machine; the deposition uniformity of droplet in canopy is to weigh an important indicator of dispenser quality, and it is significant to improving equipment for plant protection detection technique level and optimizing the spraying job parameter therefore to detect the soup deposition distribution of drop (or gas-liquid mixture) in the target canopy quickly and accurately.
At present domestic horizontal distribution to spray amount measure an existing cover in detail, accurate assay method, the Chinese patent application that for example application number is 200520077300.6, name is called " spray nozzle integrative performance microtest platform " promptly discloses a kind of device of realizing the spray nozzle integrative performance test.Therefore yet existing method of testing can't be applied to the vertical distribution measuring of spray amount, and droplet spray-volume vertical distribution measuring on target is still taked the mode of manually layouting, sampling so far, is difficult to obtain quickly and accurately mist droplet deposition information.
Summary of the invention
The technical matters that the present invention mainly solves is: a kind of spray-volume vertical distribution measuring method is provided, thereby be to determine the means that drop (or gas-liquid mixture) mist amount distribution in vertical direction provides science fast, accurately, provide the special measuring device of this method of realization simultaneously.
Technical solution of the present invention is: spray-volume vertical distribution measuring method may further comprise the steps:
The first step, fog droplet acquisition device and liquid measure distribution recognizer are set, described fog droplet acquisition device constitutes by holding back runner by the droplet of measuring requirements arrangement from top to bottom, and the lowest part that described droplet is held back runner has the hydrops ditch; Described liquid measure distribution recognizer is made of the vertical liquid trap of a row, and the quantity that the quantity of described liquid trap and described droplet are held back runner is corresponding; The lowest part that described each droplet is held back runner is connected to each liquid trap according to the order of sequence by skirt respectively;
Second step, spraying machine to be measured or shower nozzle placed fog droplet acquisition device before, device turns on the power;
The 3rd step, treat that droplet enters after fog droplet acquisition device, drop be blocked each lamination liquid ditch that is deposited on from top to bottom and each liquid trap that enters into the liquid measure distribution recognizer by skirt, read the hydrops amount in each liquid trap, thereby obtain droplet vertical distribution quantitative determination result.
The spray amount vertical distribution special measuring device of realizing said method comprises fog droplet acquisition device and liquid measure distribution recognizer, described fog droplet acquisition device constitutes by holding back runner by the droplet of measuring the requirement arrangement from top to bottom, and the lowest part that described droplet is held back runner has the hydrops ditch; Described liquid measure distribution recognizer is made of the vertical liquid trap of a row, and the quantity that the quantity of described liquid trap and described droplet are held back runner is corresponding; The lowest part that described each droplet is held back runner is connected to each liquid trap according to the order of sequence by skirt respectively.
During mensuration, before spraying machine to be measured (or single shower nozzle) placed fog droplet acquisition device, device turns on the power, after droplet enters fog droplet acquisition device, because the inner droplet of fog droplet acquisition device is held back the physical characteristics of the flow field structure and the drop itself of runner, drop does not have splash (loss) substantially effectively to be tackled in each the lamination liquid ditch that is deposited on from top to bottom, enters into each liquid trap of liquid measure distribution recognizer by skirt, thereby makes droplet vertical distribution amount obtain showing on analyzer.
This shows that the present invention not only provides precisely for spray volume performance detects, detection means efficiently, and provide scientific basis for the optimization of spraying machine job parameter.
Description of drawings
The present invention is further illustrated below in conjunction with accompanying drawing.
Fig. 1 is the structural representation of one embodiment of the invention.
Fig. 2 holds back the cross section structure for amplifying synoptic diagram of runner for droplet among Fig. 1.
Embodiment
Embodiment one
The spray amount vertical distribution special measuring device of present embodiment comprises fog droplet acquisition device 1 and liquid measure distribution recognizer 2 as shown in Figure 1.Fog droplet acquisition device 1 is by being supported on the two side stand 1-1, holding back runner 1-2 by the droplet of measuring the requirement arrangement from top to bottom constitutes, each droplet is held back runner as shown in Figure 2, on V-shaped adjacent in cross section, bottom guide 1-3,1-4 constitutes, the lowest part that droplet is held back runner 1-2 forms circular arc hydrops ditch, the lower surface of upper guide plate 1-3 is positioned at hydrops ditch top place and forms that shape is curved prolongs and opening cuts liquid fork 1-5 facing to first circular arc of airflow direction down, and the upper surface of bottom guide 1-4 is positioned at contiguous exit and forms curved prolong and opening cuts liquid fork 1-6 facing to second circular arc of airflow direction up.Has one group of section liquid rib 1-7 that is parallel to hydrops ditch length direction in the hydrops ditch.By the V-shaped flow road of bending and cut structure such as liquid fork, the lossless substantially quilt of drop effectively interception is deposited in the hydrops ditch, thereby realizes the mensuration of spray amount vertical distribution.
The hydrops groove is formed on the bottom that first circular arc cuts liquid fork 1-5, and the bottom land place of hydrops groove is positioned at 1/2nd places that droplet is held back runner 1-2 Width, and separating effect is ideal like this.
Liquid measure distribution recognizer 2 is made of to the vertical liquid trap 2-1 in support 2-1 a socket as shown in Figure 1, and the quantity of liquid trap 2-1 equates with the quantity that droplet is held back runner.
Droplet is held back the hydrops ditch of runner and all contiguous side stand 1-1 of lowest part of hydrops groove, is communicated with from here to be drawn out to skirt 3, and is connected to each liquid trap 2-2 according to the order of sequence by each skirt respectively.
During mensuration, earlier above-mentioned fog droplet acquisition device and liquid measure distribution recognizer are set; 0.-2 rice before again spraying machine to be measured or shower nozzle being placed before the fog droplet acquisition device, device turns on the power, droplet is under the effect of fluid power (or air-flow is auxiliary), after entering fog droplet acquisition device, because the inner droplet of fog droplet acquisition device is held back the physical characteristics of the flow field structure and the drop itself of runner, drop does not have splash (loss) substantially and is effectively tackled in each the lamination liquid ditch that is deposited on from top to bottom; At last, treat that droplet enters after fog droplet acquisition device, drop be blocked each lamination liquid ditch that is deposited on from top to bottom and each liquid trap that enters into the liquid measure distribution recognizer by skirt, directly read the hydrops amount in each liquid trap, or read hydrops amount in each liquid trap by the liquid capacity metering device, the liquid capacity metering device is separately positioned on each liquid trap, its signal output part connects computing machine, thereby obtains droplet vertical distribution quantitative determination result.
In addition to the implementation, the present invention can also have other embodiments.All employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop on the protection domain of requirement of the present invention.
Claims (10)
1. spray-volume vertical distribution measuring method is characterized in that may further comprise the steps:
The first step, fog droplet acquisition device and liquid measure distribution recognizer are set, described fog droplet acquisition device constitutes by holding back runner by the droplet of measuring requirements arrangement from top to bottom, and the lowest part that described droplet is held back runner has the hydrops ditch; Described liquid measure distribution recognizer is made of the vertical liquid trap of a row, and the quantity that the quantity of described liquid trap and described droplet are held back runner is corresponding; The lowest part that described each droplet is held back runner is connected to each liquid trap according to the order of sequence by skirt respectively;
Second step, spraying machine to be measured or shower nozzle placed fog droplet acquisition device before, device turns on the power;
The 3rd step, treat that droplet enters after fog droplet acquisition device, drop be blocked each lamination liquid ditch that is deposited on from top to bottom and each liquid trap that enters into the liquid measure distribution recognizer by skirt, read the hydrops amount in each liquid trap, thereby obtain droplet vertical distribution quantitative determination result.
2. spray-volume vertical distribution measuring method according to claim 1 is characterized in that: in described second step spraying machine to be measured or shower nozzle placed 0.2-2 rice before the fog droplet acquisition device.
3. spray-volume vertical distribution measuring method according to claim 2, it is characterized in that: on described each liquid trap the liquid capacity metering device is set respectively, the signal output part of described liquid capacity metering device connects computing machine, read hydrops amount in each liquid trap by the liquid capacity metering device in described the 3rd step, obtain droplet vertical distribution quantitative determination result.
4. spray amount vertical distribution special measuring device, it is characterized in that: comprise fog droplet acquisition device and liquid measure distribution recognizer, described fog droplet acquisition device constitutes by holding back runner by the droplet of measuring the requirement arrangement from top to bottom, and the lowest part that described droplet is held back runner has the hydrops ditch; Described liquid measure distribution recognizer is made of the vertical liquid trap of a row, and the quantity that the quantity of described liquid trap and described droplet are held back runner is corresponding; The lowest part that described each droplet is held back runner is connected to each liquid trap according to the order of sequence by skirt respectively.
5. spray amount vertical distribution special measuring device according to claim 4 is characterized in that: described fog droplet acquisition device is held back runner by the droplet that is supported on two side stands, arrange by the mensuration requirement from top to bottom and is constituted.
6. spray amount vertical distribution special measuring device according to claim 5 is characterized in that: described droplet is held back runner and is made of the V-shaped adjacent upper and lower guide plate in cross section, and the lowest part that described droplet is held back runner forms circular arc hydrops ditch.
7. spray amount vertical distribution special measuring device according to claim 6, it is characterized in that: the lower surface of described upper guide plate is positioned at hydrops ditch top place and forms that shape is curved prolongs and opening cuts the liquid fork facing to first circular arc of airflow direction down, and the upper surface of described bottom guide is positioned at contiguous exit and forms curved prolong and opening cuts the liquid fork facing to second circular arc of airflow direction up.
8. spray amount vertical distribution special measuring device according to claim 7 is characterized in that: have one group of section liquid rib that is parallel to hydrops ditch length direction in the described hydrops ditch.
9. spray amount vertical distribution special measuring device according to claim 8 is characterized in that: the place, bottom that described first circular arc cuts the liquid fork is positioned at 1/2nd places that droplet is held back the width of flow path direction.
10. spray amount vertical distribution special measuring device according to claim 9 is characterized in that: described droplet is held back the hydrops ditch of runner and all contiguous side stand of lowest part of hydrops groove, is communicated with from here to be drawn out to skirt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100272715A CN101576401B (en) | 2009-05-25 | 2009-05-25 | Spray-volume vertical distribution measuring method and special measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100272715A CN101576401B (en) | 2009-05-25 | 2009-05-25 | Spray-volume vertical distribution measuring method and special measuring device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101576401A CN101576401A (en) | 2009-11-11 |
| CN101576401B true CN101576401B (en) | 2011-01-12 |
Family
ID=41271396
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009100272715A Expired - Fee Related CN101576401B (en) | 2009-05-25 | 2009-05-25 | Spray-volume vertical distribution measuring method and special measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101576401B (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102506961B (en) * | 2011-10-17 | 2013-07-17 | 江苏大学 | Automatic inspection system of liquid collecting amount of matrix type liquid collecting unit array |
| CN102384857A (en) * | 2011-11-18 | 2012-03-21 | 江苏大学 | Method and device for measuring distribution uniformity of spraying volume |
| CN102564790A (en) * | 2011-12-29 | 2012-07-11 | 北京农业智能装备技术研究中心 | Device and method for measuring spray volume spatial distribution of variable rate spray |
| CN102749213A (en) * | 2012-06-29 | 2012-10-24 | 北京农业信息技术研究中心 | Pesticide spraying machine spraying uniformity testing platform and testing method thereof |
| CN102980614B (en) * | 2012-10-31 | 2015-06-03 | 北京农业信息技术研究中心 | Device and method for testing spray head of orchard spraying machine |
| CN103454112A (en) * | 2013-09-29 | 2013-12-18 | 山东农业大学 | Device and method for testing deposition amount of variable-size fogdrop space |
| CN107449696B (en) * | 2017-07-13 | 2019-06-28 | 华南农业大学 | A kind of Pcnten-1 yne-4 detection device in changeable direction |
| ES2815173B2 (en) * | 2019-09-25 | 2022-11-07 | Univ Leon | DEVICE FOR SAMPLING THE VERTICAL DISTRIBUTION OF LIQUID IN A SPRAYER FOR THE APPLICATION OF PHYTOSANITARY |
-
2009
- 2009-05-25 CN CN2009100272715A patent/CN101576401B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN101576401A (en) | 2009-11-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101576401B (en) | Spray-volume vertical distribution measuring method and special measuring device | |
| CN103424276B (en) | A kind of telecontrolled aircraft variable pesticide spraying test platform device and method | |
| CN202582868U (en) | Testing device for measuring wing type wake flow field | |
| CN103712770B (en) | Gas flow field monitoring system launched by a kind of carrier rocket | |
| CN105676010A (en) | Device for measuring droplet charge-mass ratio of electrostatic spraying droplets | |
| CN107036943B (en) | Droplet deposition test method and device based on crop porosity similarity | |
| EP2518529A3 (en) | Apparatus and method for detecting aircraft icing conditions | |
| CN201662482U (en) | Mist collecting grooves and mist spraying quantity perpendicular distribution tester adopting same | |
| CN102636344B (en) | Integrated measuring device for flow density distribution of large-size spraying field | |
| CN101915664A (en) | Digital full functional water nozzle test system | |
| CN201434709Y (en) | Spray amount vertical distribution measuring device | |
| CN203658010U (en) | Vertical array-type sand sampler | |
| CN105068154B (en) | Density of snow snow depth determining instrument | |
| CN205317497U (en) | Sectional type pesticide spraying volume spray deposition uniformity test system | |
| CN110095163B (en) | Full runoff sediment automatic monitor | |
| CN103018423B (en) | Device and method for measuring frutex rainfall interception quantity | |
| CN104568406B (en) | Spraying nonuniformity coefficient measurement apparatus | |
| CN102706418A (en) | Asphalt dispensing quantity detection device and asphalt dispensing quantity detection method | |
| CN201569461U (en) | Spray nozzle flow detecting fixture | |
| CN105510071B (en) | A kind of segmented pesticide spray amount distributing homogeneity test system and method for testing | |
| CN110487518B (en) | Nozzle spraying uniformity performance testing device | |
| CN202991315U (en) | Automatic electric fuel spray nozzle detecting and analyzing instrument | |
| CN208520713U (en) | A kind of extensometer marking apparatus | |
| CN201837408U (en) | Digital full function water nozzle testing system | |
| CN208127137U (en) | A kind of two-way sample injector |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110112 Termination date: 20140525 |