CN208131312U - A kind of two-stage Charged atomization spray head of induc- tion charging in conjunction with corona charging - Google Patents
A kind of two-stage Charged atomization spray head of induc- tion charging in conjunction with corona charging Download PDFInfo
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- CN208131312U CN208131312U CN201820130968.XU CN201820130968U CN208131312U CN 208131312 U CN208131312 U CN 208131312U CN 201820130968 U CN201820130968 U CN 201820130968U CN 208131312 U CN208131312 U CN 208131312U
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Abstract
The two-stage Charged atomization spray head that the utility model relates to a kind of induc- tion chargings in conjunction with corona charging, including medical fluid jet pipe, air-flow jet pipe, the charged chamber of taper；Embedded with an annular medical fluid electrode in the middle part of medical fluid jet pipe, rear portion is medical fluid entrance, and front is conical nozzle；Air-flow jet pipe is wrapped in outside medical fluid jet pipe, and there is a round wind outlet in jet pipe front, and air outlet angle is identical as the charged chamber opening angle of taper；The charged chamber of taper is connected with medical fluid jet pipe and air-flow jet pipe front, and toroidal inductive electrode is embedded in the middle part of inner wall, has corona electrode at front opening, there is 8 corona pins thereon.Medical fluid electrode and corona electrode connect power cathode, and induction electrode connects anode, and medical fluid induces negative electrical charge while spraying and be atomized from conical nozzle, completes first charged process；8 corona pins on corona electrode discharge under corona voltage effect, and electronegative ion, which is met into the induction electrode motion process with charged droplets, to be merged, and secondary charged process is completed.
Description
Technical field
Two that the utility model relates to plant protection spray technique fields more particularly to a kind of induc- tion charging in conjunction with corona charging
Grade Charged atomization spray head, for realizing higher droplet charge-mass ratio and more preferably medical liquid atomizing effect.
Background technique
Plant protection electrostatic Spraying technique keeps medical liquid atomizing charged in such a way that high-pressure electrostatic is by corona, induction and contact etc.
Droplet, and improve medical liquid atomizing effect.Charged droplets move under electrostatic field to Target crops, and being influenced by electrostatic force can be with
Adhere to and deposit in crop uniform throughout, improves droplet deposition uniformity and medical fluid utilization rate, enhancing application control efficiency.?
In plant protection electrostatic Spraying technique, improving charged effect is key, and the charge-mass ratio of droplet is core parameter.Higher charge-mass ratio can be with
Enhance electrostatic force, to realize preferable control efficiency.
It is found through retrieval, Chinese utility model patent " composite charging electrostatic spraying device ", number of patent application
200620030476.0, a kind of composite charging electrostatic spraying device, including hydraulic type nozzle body are disclosed, is equipped on nozzle body
Combined charging electrode, combined charging electrode are by surrounding the annular shaped charge pole on nozzle body, covering at outside the spout of nozzle body
The conical ring charging electrode of side, the aciculiform being set on conical ring charging electrode opening's edge inner wall charging pole are connected and composed through being powered,
Annular shaped charge pole, conical ring charging electrode outer surface be surrounded with insulating layer.The device is the problem is that only in the outer of electrode
Surface is surrounded with insulating layer, and naked between electrode inner wall and spray, and spray will obtain electrostatic under spraying high humidity environment
Induction is without leaking electricity, and the diameter of conical ring electrode is inevitable very big, and induction charging effect is limited.Its annular is filled simultaneously
Electrode, conical ring charging pole, aciculiform charging pole three are powered and connect, and are in equipotential state；According to electrostatic induction principle, droplet
First induction obtains positive charge under annular shaped charge pole and the effect of conical ring charging electrode, then under the corona effect of needle electrode
Negative electrical charge can be obtained, to the N-process of the self-contained charge of droplet occur, carrying capacity is caused to decline.Application number
201510510830.3 Chinese patent discloses a kind of static nozzle of electrostatic sprayer, including is equipped with fluid-through tube and spout
Hollow disjunctor spray head, nozzle, ring electrode component, annular electrode and atomized drop are kept apart using marine riser, avoid mist
Drip the deposition on annular electrode surface.But according to electrotechnics principle, marine riser will share the exhausted big portion between annular electrode and spray head
Point electrostatic potential is unfavorable for charged suitable of electrostatic induction so that the electric field strength of air gap between marine riser and spray head be made to decline to a great extent
Benefit carries out, thus cannot achieve ideal charge-mass ratio it is horizontal (principle referring to《Journal of Electrostatics》2003
3rd volume 57 page 363~379 of the phase " A capacitive type of electrostatic spraying nozzle ").
To sum up, the generally existing charged voltage of electrostatic atomization spray head employed in plant protection electrostatic Spraying technique is high, charged at present
Effect is undesirable, can not effectively play electrostatic spray advantage.Therefore, it is necessary to design a kind of novel electrostatic atomizer, realize
Higher charge-mass ratio, good functional reliability, structure be simply convenient for using etc. targets.
Summary of the invention
The utility model be intended to the prior art and method there are the problem of, propose a kind of induc- tion charging in conjunction with corona charging
Two-stage Charged atomization spray head, carry out preliminary induc- tion charging in medical liquid atomizing moment using lower electrostatic induction voltage, it is lower
Voltage and annular flow it is possible to prevente effectively from charged droplets deposit on toroidal inductive electrode, improve functional reliability；Then
Charged droplets when by aciculiform corona electrode in corona region free electron and anion to combine progress secondary charged,
It finally realizes that higher charge-mass ratio is horizontal, meets the needs of electrostatic spray application.
Two-stage Charged atomization spray head of the induc- tion charging of the utility model in conjunction with corona charging adopts the following technical scheme that：
Spray head includes medical fluid jet pipe, air-flow jet pipe, the charged chamber of taper.
The medical fluid jet pipe is a hollow cylinder chamber, is located at sprinkler body central axes, and inner wall is embedded with an annular in the middle part of medical fluid jet pipe
Medical fluid electrode, corresponding at outer wall has a fast plug, convenient for power supply；Medical fluid jet pipe rear portion is medical fluid entrance, and front is tapered injection
Mouth.
Air-flow jet pipe rear portion is hollow cylinder chamber, and front is conical hollow chamber, is integrally wrapped in outside medical fluid jet pipe；
There is an air flow inlet at air-flow jet pipe rear portion, and there is a round wind outlet in front, and air outlet angle is identical as the charged chamber opening angle of taper.
The charged chamber of taper is connected with the medical fluid jet pipe and air-flow jet pipe front, is embedded in the middle part of the charged cavity wall of taper
One toroidal inductive electrode；There is a corona electrode at the charged chamber front opening of taper, electrode is integrally annular in shape, has been evenly arranged thereon
8 corona pins, syringe needle is to the charged chamber inner inclination of taper；The charged cavity outer wall of taper has a fast plug, by being atomized cavity wall
Preset conducting wire is that induction electrode and corona electrode are powered.
The medical fluid electrode connects high-voltage DC power supply cathode, and the induction electrode connects high-voltage DC power supply anode, the electricity
Dizzy electrode connects high-voltage DC power supply cathode, induction while medical fluid being made to spray atomization from conical nozzle according to induc- tion charging principle
Negative electrical charge out completes first charged process；The air-flow that the round wind outlet sprays forms one in the charged cavity wall of the taper
Layer air film, avoids charged droplets from depositing to induction electrode；8 corona pin tip curvature radiuses on the corona electrode are minimum,
Corona discharge occurs for corona needle tip under corona voltage effect, forms high concentration free particle in the charged chamber front of the taper
Area, positive charged ions are moved and are deposited to corona electrode in area, and electronegative ion is into the induction electrode motion process in area
It meets and merges with charged droplets, complete secondary charged process, realize ideal charged effect.
Compared with prior art, the utility model has the following advantages that：
1, using the charged mode of two-stage, charged voltage demand is reduced, charged safety and reliability gets a promotion；
2, lower induc- tion charging voltage and annular airflow can deposit to avoid charged droplets to induction electrode, prevent
Back-ionization phenomenon destroys induc- tion charging process；
3, corona charging process realizes the contact of medical fluid with non-corona discharge electrode (induction electrode in the utility model), avoids one
As existing induc- tion charging process during corona charging, eliminate the offseting phenomenon to corona charging process, be conducive to improve lotus
Electric effect.
Detailed description of the invention
Fig. 1 and Fig. 2 be respectively two-stage Charged atomization spray head of the induc- tion charging of the utility model in conjunction with corona charging just
View and corresponding sectional view；
Fig. 3 is fast 3 Local map of plug of two-stage Charged atomization spray head of the utility model；
Fig. 4 is the side view of the two-stage Charged atomization spray head of the utility model；
In figure：1. preset 3. 5. sprinkler body of fast 4. conical nozzle of plug of conducting wire, the 6. medical fluid jet pipe 7. of corona electrode 2.
Fast 9. medical fluid entrance of plug, 10. 11. air flow inlet of annular medical fluid electrode, 12. round wind outlet 13. of air-flow jet pipe 8.
The charged chamber of 14. taper of induction electrode
Specific embodiment
The utility model patent is described further with reference to the accompanying drawing.
A kind of two-stage Charged atomization spray head of the induc- tion charging described in the utility model in conjunction with corona charging, structure is as schemed
Shown in 1~4, spray head includes medical fluid jet pipe 6, air-flow jet pipe 7, the charged chamber 14 of taper.
The medical fluid jet pipe 6 is a hollow cylinder chamber, is located at 5 central axes of sprinkler body, and 5 middle part inner wall of medical fluid jet pipe is embedded with a ring
Shape medical fluid electrode 10, corresponding at jet pipe outer wall has a fast plug 3, convenient for power supply；5 rear portion of medical fluid jet pipe is medical fluid entrance 9, preceding
Portion is conical nozzle 4, and medical fluid is made to form droplet in a manner of pressure atomization.
7 rear portion of air-flow jet pipe is hollow cylinder chamber, and front is conical hollow chamber, is integrally wrapped in outside medical fluid jet pipe 6
Portion；There is an air flow inlet 11 at 7 rear portion of air-flow jet pipe, and there is a round wind outlet 12 in front, and air outlet angle is opened with the charged chamber 14 of taper
Bicker degree is identical, to form one layer of air film in charged cavity wall.
The charged chamber 14 of taper is connected with the medical fluid jet pipe 6 and 7 front of air-flow jet pipe, in charged 14 inner wall of chamber of taper
Portion is embedded with a toroidal inductive electrode 13；There is a corona electrode 1 at charged 14 front opening of chamber of taper, electrode is integrally annular in shape,
On be evenly arranged 8 corona pins, syringe needle is to charged 14 inner inclination of chamber of taper；Charged 14 outer wall of chamber of taper has a fast plug
8, it is that induction electrode 13 and corona electrode 1 are powered by the atomization preset conducting wire 2 of cavity wall.
The annular medical fluid electrode 10 and the corona electrode 1 connect high-voltage DC power supply cathode, and the induction electrode 13 connects
High-voltage DC power supply anode induces negative electrical charge, shape while spraying and be atomized from conical nozzle 4 according to induc- tion charging principle medical fluid
At electronegative droplet group, first charged process is completed；The air-flow that the round wind outlet 12 sprays is in the charged chamber of the taper
14 inner walls form one layer of air film, completely cut off contact of the induction electrode 13 with charged droplets, avoid charged droplets heavy to induction electrode 13
Product；8 corona pin tip curvature radiuses on the corona electrode 1 are minimum, and corona needle tip occurs under the effect of corona high pressure
Corona discharge forms high concentration free particle area in charged 14 front of chamber of the taper, and positive charged ions are to corona electrode 1 in area
Movement and deposition, in area electronegative ion under electric field force effect into 13 motion process of induction electrode with charged droplets phase
Meet simultaneously, complete secondary charged process, realizes the further charged of charged droplets.
Claims (2)
1. a kind of two-stage Charged atomization spray head of induc- tion charging in conjunction with corona charging, it is characterised in that：Including medical fluid jet pipe, gas
Flow jet pipe, the charged chamber of taper；
Inner wall is embedded with an annular medical fluid electrode in the middle part of the medical fluid jet pipe, and corresponding at outer wall has a fast plug, convenient for power supply；Medicine
Liquid jet pipe rear portion is medical fluid entrance, and front is conical nozzle；
The air-flow jet pipe is integrally wrapped in outside medical fluid jet pipe；There is an air flow inlet at air-flow jet pipe rear portion, and there is an annular in front
Air outlet, air outlet angle are identical as the charged chamber opening angle of taper；
The charged chamber of taper is connected with the medical fluid jet pipe and air-flow jet pipe front, is embedded with a ring in the middle part of the charged cavity wall of taper
Shape induction electrode；There is a corona electrode at the charged chamber front opening of taper, has been evenly arranged 8 corona pins thereon.
2. a kind of two-stage Charged atomization spray head of induc- tion charging in conjunction with corona charging, feature exist according to claim 1
In：
The medical fluid electrode and the corona electrode connect high-voltage DC power supply cathode, and the induction electrode is connecing high-voltage DC power supply just
Pole, medical fluid induce negative electrical charge while spraying and be atomized from conical nozzle, complete first charged process；The round wind outlet spray
Air-flow out forms one layer of air film in the charged cavity wall of the taper, and charged droplets is avoided to deposit to induction electrode；The corona
8 corona pins on electrode discharge under corona voltage effect, electronegative ion into the induction electrode motion process with lotus
Electric droplet meets merging, completes secondary charged process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820130968.XU CN208131312U (en) | 2018-01-25 | 2018-01-25 | A kind of two-stage Charged atomization spray head of induc- tion charging in conjunction with corona charging |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820130968.XU CN208131312U (en) | 2018-01-25 | 2018-01-25 | A kind of two-stage Charged atomization spray head of induc- tion charging in conjunction with corona charging |
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| CN208131312U true CN208131312U (en) | 2018-11-23 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108080166A (en) * | 2018-01-25 | 2018-05-29 | 山东农业大学 | The two-stage Charged atomization nozzle that a kind of induc- tion charging is combined with corona charging |
| CN110180693A (en) * | 2019-07-24 | 2019-08-30 | 常州江苏大学工程技术研究院 | A kind of induction electrostatic atomization spray head |
-
2018
- 2018-01-25 CN CN201820130968.XU patent/CN208131312U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108080166A (en) * | 2018-01-25 | 2018-05-29 | 山东农业大学 | The two-stage Charged atomization nozzle that a kind of induc- tion charging is combined with corona charging |
| CN110180693A (en) * | 2019-07-24 | 2019-08-30 | 常州江苏大学工程技术研究院 | A kind of induction electrostatic atomization spray head |
| CN110180693B (en) * | 2019-07-24 | 2019-10-22 | 常州江苏大学工程技术研究院 | A kind of induction electrostatic atomization spray head |
| WO2021012778A1 (en) * | 2019-07-24 | 2021-01-28 | 江苏大学 | Inductive electrostatic atomization nozzle |
| GB2591955A (en) * | 2019-07-24 | 2021-08-11 | Univ Jiangsu | Inductive electrostatic atomization nozzle |
| GB2591955B (en) * | 2019-07-24 | 2022-02-23 | Univ Jiangsu | Inductive electrostatic atomization nozzle |
| US11278917B2 (en) | 2019-07-24 | 2022-03-22 | Jiangsu University | Inductive electrostatic atomization nozzle |
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