CN204439732U - Portable electrostatic spraying specific charge automatic measuring instrument - Google Patents
Portable electrostatic spraying specific charge automatic measuring instrument Download PDFInfo
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- CN204439732U CN204439732U CN201520116256.9U CN201520116256U CN204439732U CN 204439732 U CN204439732 U CN 204439732U CN 201520116256 U CN201520116256 U CN 201520116256U CN 204439732 U CN204439732 U CN 204439732U
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Abstract
Portable electrostatic spraying specific charge automatic measuring instrument belongs to technical field of plant protection machinery, in transparent shell, metal conductive shell is installed, with the weight sensor of pallet, micro-current sensing and single-chip microcomputer, described metal conductive shell is configured in above the pallet of weight sensor, equipped transparent intercepting basin on pallet, catheter with switch valve is communicated with transparent intercepting basin, equipped multiple layer metal conductive mesh in metal conductive shell, LCDs is arranged on transparent shell sidewall, wire by single-chip microcomputer respectively with weight sensor, micro-current sensing is communicated with LCDs, metal conductive shell is communicated with by wire with micro-current sensing, this instrument structure is simple, cheap for manufacturing cost, is easy to carry, and measuring accuracy is high with measurement efficiency.
Description
Technical field
The invention belongs to technical field of plant protection machinery, relates generally to a kind of device of measurement of electrostatic spraying droplet specific charge in agricultural plant protection spraying operation.
Background technology
At present, electrostatic Spraying technique is widely used in agricultural plant protection operation, the advantage of the spraying facility of use static nozzle is that the droplet sprayed is more evenly fine and closely woven, the adsorptive power of charged droplets to crop surface is stronger simultaneously, especially vacuum side of blade is had to the effect of convolution absorption, droplet is improved greatly at the adhesive rate of crop surface.And specific charge weighs the important indicator of the charged effect of electrostatic spray, it can affect the parameters such as spray width, particle diameter, speed, all has impact to droplet movement locus and deposition etc.Researchist both domestic and external has carried out repeatedly studying to specific charge measurement mechanism.In State Intellectual Property Office's patent retrieval, application number is 201010571210.8, and name is called the device of atomization space local specific charge " in the measurement of electrostatic spraying ", and it to essentially disclose in electrostatic spray atomization space the measurement mechanism of the specific charge of local; Application number is 201210457633.6, name is called " electrostatic spray specific charge measurement mechanism ", which employs graphite tube and collect liquid, be provided with cylindrical copper billet in cylinder to conduct electricity to charged droplets, and measure electric current by Pi Anbiao, be provided with graduated cylinder outside cylinder and the liquid after survey electricity is collected and utilized electronic balance check weighing.Specific charge is drawn after the liquid quality that the electric current utilizing PC to measure Pi Anbiao and electronic balance are measured calculates.There is following problem in this device: 1, because the survey electrolytic copper block surface area in liquid-collecting barrel is less, when mist flow is larger, is very easy to produce hydrops phenomenon at copper block surface, causes declining to the electric conductivity of droplet, reduce measuring accuracy.2, in the graduated cylinder that electronic balance is measured, the weight of the partially liq after the weight of liquid is just flowed out by liquid cylinder, and at liquid cylinder inwall with conduct electricity on copper billet and also can adhere to a large amount of drop, accurate not to the measurement of charged droplets weight in this approach.Application number is 201310690188.2, and name is called " spray rod type many shower nozzles electrostatic spray specific charge measuring equipment ", its complex structural designs, and manufacturing cost is higher, and needs the artificial ratio calculating carrying capacity and quality.And measurement mechanism parts are more, maneuverability underaction, is only applicable to test Indoor measurement.
Summary of the invention
The object of the invention is exactly for above-mentioned prior art Problems existing, design provides a kind of portable electrostatic spraying specific charge automatic measuring instrument of new construction, reaches raising measuring accuracy and measurement efficiency, simplifies apparatus structure, reduces manufacturing cost, portable object.
The object of the invention is achieved in that installs metal conductive shell successively in transparent shell, with the weight sensor of pallet, micro-current sensing and single-chip microcomputer, described metal conductive shell is configured in above the pallet of weight sensor by support, on described pallet, be positioned at metal conductive shell lower portion place and be equipped with transparent intercepting basin, described transparent intercepting basin bottom side is communicated with the catheter installed with switch valve, multiple layer metal conductive mesh is equipped with successively from top to bottom in described metal conductive shell, described transparent shell sidewall installs LCDs, wire by single-chip microcomputer respectively with weight sensor, micro-current sensing is communicated with LCDs, metal conductive shell is communicated with by wire with micro-current sensing, so far portable electrostatic spraying specific charge automatic measuring instrument is formed.
The invention adopts stereo multilayer metallic conduction screen cloth to conduct electricity to charged droplets, farthest decrease the test leakage phenomenon of charged droplets, improve specific charge measuring accuracy, the electric current adopting micro-current sensing measurement charged droplets to produce and weight sensor are directly measured the increment of liquid collector weight, improve check weighing precision; Respectively the signal transmission of the signal of weight sensor and micro-current sensing is carried out specific charge calculating to single-chip microcomputer, and LCDs is integrated on housing, can realize measuring and terminate, specific charge measurement result can be shown immediately, without the need to carrying out secondary calculating, and package unit form construction design is simple, integration is high, is extremely easy to carry.
Accompanying drawing explanation
Fig. 1 is portable electrostatic spraying specific charge automatic measuring instrument general structure schematic diagram.
In figure, piece number illustrates:
1, transparent shell, 2, transparent intercepting basin, 3, pallet, 4, switch valve, 5, catheter, 6, metallic conduction screen cloth, 7, metal conductive shell, 8, micro-current sensing, 9, support, 10, LCDs, 11, single-chip microcomputer, 12, weight sensor.
Embodiment
Below in conjunction with accompanying drawing, the invention embodiment is described in detail.A kind of portable electrostatic spraying specific charge automatic measuring instrument, in transparent shell 1, metal conductive shell 7 is installed successively, with the weight sensor 12 of pallet 3, micro-current sensing 8 and single-chip microcomputer 11, described metal conductive shell 7 is configured in above the pallet 3 of weight sensor 12 by support 9, on described pallet 3, be positioned at metal conductive shell 7 lower portion place and be equipped with transparent intercepting basin 2, described transparent intercepting basin 2 bottom side is communicated with the catheter 5 installed with switch valve 4, multiple layer metal conductive mesh 6 is equipped with successively from top to bottom in described metal conductive shell 7, described transparent shell 1 sidewall installs LCDs 10, wire by single-chip microcomputer 11 respectively with weight sensor 12, micro-current sensing 8 is communicated with LCDs 10, metal conductive shell 7 is communicated with by wire with micro-current sensing 8.
When measuring operation use, multiple layer metal conductive mesh 6 and metal conductive shell 7 conduct electricity to charged droplets jointly, micro-current sensing 8 measures the electric current that charged droplets produces, the recruitment of weight sensor 12 to transparent intercepting basin 2 weight is measured, and respectively by the signal of micro-current sensing 8 and the signal transmission of weight sensor 12 to single-chip microcomputer 11, and carry out specific charge and automatically calculate, the specific charge result of calculation of single-chip microcomputer 11 shows immediately in LCDs 10, completes surveying work.
Claims (1)
1. a portable electrostatic spraying specific charge automatic measuring instrument, it is characterized in that: metal conductive shell (7) is installed successively in transparent shell (1), with the weight sensor (12) of pallet (3), micro-current sensing (8) and single-chip microcomputer (11), described metal conductive shell (7) is configured in pallet (3) top of weight sensor (12) by support (9), on described pallet (3), be positioned at metal conductive shell (7) lower portion place and be equipped with transparent intercepting basin (2), described transparent intercepting basin (2) bottom side is communicated with the catheter (5) installed with switch valve (4), multiple layer metal conductive mesh (6) is equipped with successively from top to bottom in described metal conductive shell (7), described transparent shell (1) sidewall installs LCDs (10), wire by single-chip microcomputer (11) respectively with weight sensor (12), micro-current sensing (8) is communicated with LCDs (10), metal conductive shell (7) is communicated with by wire with micro-current sensing (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520116256.9U CN204439732U (en) | 2015-02-12 | 2015-02-12 | Portable electrostatic spraying specific charge automatic measuring instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520116256.9U CN204439732U (en) | 2015-02-12 | 2015-02-12 | Portable electrostatic spraying specific charge automatic measuring instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204439732U true CN204439732U (en) | 2015-07-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201520116256.9U Expired - Fee Related CN204439732U (en) | 2015-02-12 | 2015-02-12 | Portable electrostatic spraying specific charge automatic measuring instrument |
Country Status (1)
| Country | Link |
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| CN (1) | CN204439732U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105974215A (en) * | 2016-06-23 | 2016-09-28 | 浙江大学 | Online detection method for charge-to-mass ratio of particles in fluidized bed |
| CN107831374A (en) * | 2017-11-06 | 2018-03-23 | 中北大学 | A kind of liquid jet electrostatic accumulation test device and method |
| 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 |
-
2015
- 2015-02-12 CN CN201520116256.9U patent/CN204439732U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105974215A (en) * | 2016-06-23 | 2016-09-28 | 浙江大学 | Online detection method for charge-to-mass ratio of particles in fluidized bed |
| CN107831374A (en) * | 2017-11-06 | 2018-03-23 | 中北大学 | A kind of liquid jet electrostatic accumulation test device and method |
| CN107831374B (en) * | 2017-11-06 | 2020-01-24 | 中北大学 | Liquid jet static accumulation amount testing device and method |
| 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 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150701 Termination date: 20170212 |