CN103675486B - Measuring equipment for electrostatic spraying charge-to-mass ratio of multiple spray heads of spray rod - Google Patents
Measuring equipment for electrostatic spraying charge-to-mass ratio of multiple spray heads of spray rod Download PDFInfo
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- CN103675486B CN103675486B CN201310690188.2A CN201310690188A CN103675486B CN 103675486 B CN103675486 B CN 103675486B CN 201310690188 A CN201310690188 A CN 201310690188A CN 103675486 B CN103675486 B CN 103675486B
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Abstract
The invention relates to a measuring system for the electrostatic spraying charge-to-mass ratio of multiple spray heads of a spray rod. The measuring system comprises an L-shaped support, a vertical movement platform, a horizontal sliding table, a fogdrop collection device (Faraday cylinder), a fogdrop weighing device (precision balance), a fogdrop electricity measuring device (precision ammeter), a parallel four-bar lifting mechanism, bolts, a water outlet, M20 bolts, a graduated scale and the like. Through cooperation of the devices, the vertical movement platform and the horizontal sliding table are adjusted. The measuring system can be used for measuring the charge-to-mass ratio of the multiple spray heads on the spray rod, and assembly and adjustment time of the devices at the time of measuring the electrostatic spraying charge-to-mass ratio of the multiple spray heads of the spray rod is greatly shortened.
Description
Technical field
The present invention relates to electrostatic spray charge-mass ratio measuring apparatus, especially relate to a kind of test spray rod type many shower nozzles electrostatic
The equipment of mist charge-mass ratio, belongs to technical field of plant protection machinery.
Background technology
Charge-mass ratio is to weigh the important indicator of charged effect, and it can affect the parameters such as spray width, particle diameter, speed, right
Droplet movement locus and deposition etc. all have an impact.Researcher both domestic and external has carried out multiple research to charge-mass ratio measurement apparatus.
In State Intellectual property right patent retrieval, Application No. 201010571210.8, entitled " test atomized space in electrostatic spraying
The device of local charge-mass ratio ", it essentially discloses the measurement apparatus of the charge-mass ratio of local in electrostatic spray atomization space；Application number
For 201110156068.5, entitled " a kind of stream grains of sand charge-mass ratio real-time measurement system ", it is mainly realized to dust storm
The real-time high frequency measurement of drift sand grain charge-mass ratio.Application No. 201210457633.6, entitled " electrostatic spray charge-mass ratio measurement dress
Put ", it is mainly for the problem improving electrostatic spray charge-mass ratio certainty of measurement.But, existing research does not also have can be for
Measurement spray rod type spraying is this kind of vertically downward and have the charge-mass ratio measuring system in the case of the spraying of multiple shower nozzles.And spray rod type is quiet
The nebulization efficiency such as electron spray machine and aviation electrostatic spray machine is high, and effect is good, pollutes few spraying mechanical, constantly researches and develops, and
Increasingly it is widely applied in actual production.Therefore, the disclosure for the charge-mass ratio measurement apparatus of this kind of spraying mechanical is compeled
The eyebrows and eyelashes.
Content of the invention
It is an object of the invention to, for such as spray bar type spraying machine this have multiple shower nozzles and spray straight down this kind of
Spraying apparatus, designs a kind of charge-mass ratio measuring apparatus being convenient for measuring.
For achieving the above object, the present invention devises a kind of spray rod type many shower nozzles electrostatic spray charge-mass ratio measuring apparatus, bag
Include l type support 1, vertically move platform 2, horizontal sliding table 3, parallel four-bar elevating mechanism 7, droplet collection device 5, droplet are weighed dress
Put 4 and droplet electric quantity measuring device 6；Wherein: droplet collection device 5 is Faraday cup, droplet weighing device 4 is accurate sky
Flat, droplet electric quantity measuring device 6 is precision ammeter；
Parallel four-bar elevating mechanism 7 bolt is arranged on l type support 1 bottom surface centre position, rotates its handle, by leading screw
Nut drives four bars to move simultaneously, changes angle between symmetrical upper and lower two bars, to adjust to vertically move and move down on platform
Dynamic；Rule 11 is arranged on before the vertical back-panel of l type support 1, can measure the height vertically moving platform.Vertically move flat
Platform 2 is arranged on set lagging, and horizontal sliding table 3 is arranged on and vertically moves on platform 2, and droplet weighing device 4 is placed on level and slides
On platform 3, droplet collection device 5 is placed on droplet weighing device 4, and droplet electric quantity measuring device 6 is used with droplet collection device 5
Wire connects.
Above equipped with two vertical guide rails 13 in the vertical back-panel of l type support 1, vertically move platform 2 for installing；Backboard
Open two grooves 14 below；
Vertically move the following of platform 2 to be connected with parallel four-bar elevating mechanism；Have two below to carry on the back with support 1
Panel guide, apart from wide guide-track groove 15, is installed on the guide rail 13 of l type set lagging；According to backboard two after platform
The distance of groove 14, makes a call to two screwed holes 19, is arranged on l type support with the bolt of two m20；Platform two water installed above
Level gauge 16.
Horizontal sliding table 3 following open two with vertically move platform upper rail 16 apart from wide guide-track groove 17, be arranged on
Vertically move on the guide rail of platform, and can horizontally slip on platform vertically moving along horizontal guide rail；In two guide-track grooves
End positions, make a call to a screwed hole respectively, and are stained with the bolt of a piece of rubber blanket under all loading one in through-holes, work as level
When slide unit slides into the position of needs, respectively four bolts are screwed down, so that horizontal sliding table is maintained static.
Droplet weighing device 4, i.e. precision balance, it is placed on horizontal sliding table 3, droplet collection device 5, i.e. Faraday cup,
It is placed on precision balance.Faraday cup is used for the measurement of droplet carried charge additionally it is possible to measure the quality of droplet.Precision balance
For measuring the quality of droplet, precision ammeter is connected with Faraday cup wire, measures droplet group's electric current.
One delivery port 9 is arranged at described droplet collection device 5 bottom, during measurement closes delivery port 9, open after measurement by
Water is discharged.
Brief description
Fig. 1 is spray rod type many shower nozzles electrostatic spray charge-mass ratio measuring system structural representation of the present invention.
Fig. 2 is the front view of spray rod type many shower nozzles electrostatic spray charge-mass ratio measuring system of the present invention.
Fig. 3 vertically moves platform rearview.
Fig. 4 horizontal sliding table top view.
Fig. 5 is set lagging rearview of the present invention.
Fig. 6 is support top view of the present invention.
Fig. 7 is parallel four-bar elevating mechanism structure chart of the present invention.
Fig. 8 is the operating diagram of spray rod type many shower nozzles electrostatic spray charge-mass ratio measuring system of the present invention.
In accompanying drawing: 1 l type support, 2 vertically move platform, 3 horizontal sliding tables, 4 droplet weighing devices, 5 droplets
Collection device, 6 droplet electric quantity measuring devices, 7 parallel four-bar elevating mechanisms, 8 screws, 9 delivery ports, 10 m20
Screw rod, 11 rules, 12 rubber blankets, 13 guide rails, 14 grooves, 15 guide-track grooves, 16 guide rails, 17 guide-track grooves,
18 shower nozzles, 19 m20 screwed holes, 20 screwed holes.
Specific embodiment
A kind of spray rod type many shower nozzles electrostatic spray charge-mass ratio measuring apparatus, including l type support 1, vertically move platform 2, water
Somoothing board 3, droplet collection device 5, droplet weighing device 4 and droplet electric quantity measuring device 6, wherein droplet collection device are methods
Draw, droplet weighing device is precision balance, and droplet electric quantity measuring device is precision ammeter.In addition, l type support 1 is carried on the back
Before plate install rule 11, after open two grooves 14；Parallel four-bar elevating mechanism 7 upper and lower surface is arranged on bolt respectively
L type support 1 bottom surface is middle and vertically moves in the middle of below platform 2；On horizontal sliding table 3, respectively open at the two ends of two guide-track grooves 17
Two screwed holes 20, load onto altogether four bolts 8, and bolt 8 is stained with rubber blanket 12 below；Droplet collection device 5 is powered with droplet
Measuring device 6 is connected with a wire；The lower section of droplet collection device 5 has a delivery port 9.Vertically move platform and use two
Individual m20 bolt 10 is arranged on l type support 1.
When being embodied as the present invention, the height of the shower nozzle 18 surveyed as required, rotating parallel four bar elevating mechanism 7 handle,
Drive four bars to move by feed screw nut simultaneously, change angle between symmetrical upper and lower two bars, adjust and vertically move platform 2
Position is so as to move up and down along guide rail on l type support 1.After being adjusted to the height of suitable measurement, rule 11 reads simultaneously
Record reading.Screw two m20 bolts, platform 2 will be vertically moved and be fixed on support 1, can be by parallel four-bar elevating mechanism 7
Remove.Further according to the horizontal level of the shower nozzle 18 needing measurement, along the guide rail vertically moving on platform 2, the level that moves left and right is slided
Platform 3.When moving to the position of suitable measurement, screw four bolts 8, allow the rubber blanket 12 that bolt is adhered below to be close to following
Vertically move on the guide rail of platform 2, make horizontal sliding table 3 be fixed on measurement position.
Subsequently, open sprayer, start to measure.The droplet that shower nozzle 18 sprays enters in droplet collection device 5, by droplet
Weighing device 4 measures the quality spraying into droplet.Meanwhile, droplet electric quantity measuring device 6 and droplet collection device 5 wire phase
Even, measure the carried charge of droplet.Difference between current between adjacent two moment is compared with of poor quality, then can obtain in this time period
The charge-mass ratio of droplet.
After one shower nozzle is measured, close sprayer, open the delivery port 9 below droplet collection device 5, discharge previous
The liquid spraying in droplet collection device 5 during measurement.Or, droplet weighing device 4 is removed the peel, when this sprayer institute is in need
After the shower nozzle of measurement is all measured, discharge all liq again.Then four bolts 8 are unscrewed, horizontal sliding table 3 is mobile
To the correct position of next measurement, then screwing bolts 8, measure.So repeat, until measurement in need shower nozzle complete
Portion's measurement finishes.
Claims (5)
1. a kind of spray rod type many shower nozzles electrostatic spray charge-mass ratio measuring apparatus it is characterised in that: include l type support (1), vertical move
Moving platform (2), horizontal sliding table (3), parallel four-bar elevating mechanism (7), droplet collection device (5), droplet weighing device (4) and mist
Drip electric quantity measuring device (6)；Wherein: droplet collection device (5) is Faraday cup, droplet weighing device (4) is precision balance,
Droplet electric quantity measuring device (6) is precision ammeter；Parallel four-bar elevating mechanism (7) bolt is arranged on l type support (1) bottom
Face centre position, vertically moves platform (2) and is arranged on l type support (1) backboard, horizontal sliding table (3) be arranged on vertically move flat
On platform (2), droplet weighing device (4) is placed on horizontal sliding table (3), and droplet collection device (5) is placed on droplet weighing device
(4), on, droplet electric quantity measuring device (6) is connected with wire with droplet collection device (5)；Droplet collection device (5) bottom has
One delivery port (9).
2. a kind of spray rod type many shower nozzles electrostatic spray charge-mass ratio measuring apparatus according to claim 1 it is characterised in that: l
Above equipped with two vertical guide rails (13) in the vertical back-panel of type support (1), after backboard, open two grooves (14).
3. a kind of spray rod type many shower nozzles electrostatic spray charge-mass ratio measuring apparatus according to claim 1 it is characterised in that: hang down
Translation moving platform (2) is connected with parallel four-bar elevating mechanism (7) below；Have two and l type support (1) backboard below
Guide rail, apart from wide guide-track groove (15), makes a call to two screwed holes (19) according to the distance of two grooves (14) of backboard after platform,
Platform two horizontal guide rails (16) installed above.
4. a kind of spray rod type many shower nozzles electrostatic spray charge-mass ratio measuring apparatus according to claim 3 it is characterised in that: water
Somoothing board (3) following open two with vertically move platform upper rail (16) apart from wide guide-track groove (17), in two guide rails
The end positions of groove (17), make a call to a screwed hole (20) respectively, and all load in this screwed hole and be stained with a piece of rubber under one
The bolt of rubber cushion.
5. a kind of spray rod type many shower nozzles electrostatic spray charge-mass ratio measuring apparatus according to claim 3 it is characterised in that: also
Including rule (11), it is arranged on before the vertical back-panel of l type support (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310690188.2A CN103675486B (en) | 2013-12-17 | 2013-12-17 | Measuring equipment for electrostatic spraying charge-to-mass ratio of multiple spray heads of spray rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310690188.2A CN103675486B (en) | 2013-12-17 | 2013-12-17 | Measuring equipment for electrostatic spraying charge-to-mass ratio of multiple spray heads of spray rod |
Publications (2)
| Publication Number | Publication Date |
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| CN103675486A CN103675486A (en) | 2014-03-26 |
| CN103675486B true CN103675486B (en) | 2017-01-18 |
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| CN201310690188.2A Active CN103675486B (en) | 2013-12-17 | 2013-12-17 | Measuring equipment for electrostatic spraying charge-to-mass ratio of multiple spray heads of spray rod |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104596755B (en) * | 2015-01-29 | 2017-02-22 | 农业部南京农业机械化研究所 | Spray drift performance testing device |
| CN105891616B (en) * | 2016-06-15 | 2018-06-15 | 北京航空航天大学 | It is a kind of to study charged particle and the experimental provision of flame interaction |
| CN107024622A (en) * | 2017-05-02 | 2017-08-08 | 江苏大学 | A kind of single droplet charge-mass ratio measurement apparatus and method |
| CN107831374B (en) * | 2017-11-06 | 2020-01-24 | 中北大学 | Liquid jet static accumulation amount testing device and method |
| CN108152176B (en) * | 2018-01-11 | 2024-01-23 | 华南农业大学 | Fogdrop sensor calibration device and calibration method thereof |
| CN109975623B (en) | 2019-03-15 | 2020-12-18 | 江苏大学 | Electrostatic atomization nozzle charge-to-mass ratio measuring system and measuring method thereof |
| CN114089052A (en) * | 2021-10-27 | 2022-02-25 | 江苏大学 | Portable charged liquid droplet beam charge-to-mass ratio measuring device and method |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US6498908B2 (en) * | 2001-02-20 | 2002-12-24 | Hewlett-Packard Company | Electrophotographic measurement system |
| CN102052943B (en) * | 2010-11-24 | 2012-05-30 | 集美大学 | Device for testing partial charge-to-mass ratio of fogging space in electrostatic spraying |
| JP5474001B2 (en) * | 2011-07-15 | 2014-04-16 | 春日電機株式会社 | Charge measurement device |
| CN103149461B (en) * | 2012-11-15 | 2015-04-22 | 江苏大学 | Static electricity atomizing charge-to-mass ratio measuring device |
| CN202870183U (en) * | 2012-11-21 | 2013-04-10 | 东北师范大学 | Charged droplet charge-to-mass ratio automatic measuring apparatus |
| CN103163388B (en) * | 2013-03-01 | 2015-08-26 | 江苏大学 | A kind of contactless electrostatic spray specific charge measuring method and device thereof |
| CN103439589B (en) * | 2013-08-19 | 2015-10-28 | 江苏大学 | A kind of charged droplets specific charge real-time measurement apparatus easy to assemble |
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