CN104549867A - Ultrasonic-pneumatic nozzle - Google Patents
Ultrasonic-pneumatic nozzle Download PDFInfo
- Publication number
- CN104549867A CN104549867A CN201510048972.2A CN201510048972A CN104549867A CN 104549867 A CN104549867 A CN 104549867A CN 201510048972 A CN201510048972 A CN 201510048972A CN 104549867 A CN104549867 A CN 104549867A
- Authority
- CN
- China
- Prior art keywords
- ultrasonic
- spray boom
- ultrasonic generator
- shower nozzle
- nozzle
- 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.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B17/00—Apparatus for spraying or atomising liquids or other fluent materials, not covered by the preceding groups
- B05B17/04—Apparatus for spraying or atomising liquids or other fluent materials, not covered by the preceding groups operating with special methods
- B05B17/06—Apparatus for spraying or atomising liquids or other fluent materials, not covered by the preceding groups operating with special methods using ultrasonic or other kinds of vibrations
- B05B17/0607—Apparatus for spraying or atomising liquids or other fluent materials, not covered by the preceding groups operating with special methods using ultrasonic or other kinds of vibrations generated by electrical means, e.g. piezoelectric transducers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B17/00—Apparatus for spraying or atomising liquids or other fluent materials, not covered by the preceding groups
- B05B17/04—Apparatus for spraying or atomising liquids or other fluent materials, not covered by the preceding groups operating with special methods
- B05B17/06—Apparatus for spraying or atomising liquids or other fluent materials, not covered by the preceding groups operating with special methods using ultrasonic or other kinds of vibrations
- B05B17/0607—Apparatus for spraying or atomising liquids or other fluent materials, not covered by the preceding groups operating with special methods using ultrasonic or other kinds of vibrations generated by electrical means, e.g. piezoelectric transducers
- B05B17/0653—Details
Landscapes
- Catching Or Destruction (AREA)
- Special Spraying Apparatus (AREA)
Abstract
The invention discloses an ultrasonic-pneumatic nozzle which comprises a spray rod with a tiny liquid flow channel processed in the axis, an ultrasonic generator and a nozzle air tap. A support device is arranged in the middle of the spray rod, the ultrasonic generator is mounted on the support device, the nozzle air tap surrounds the end of the spray rod to form the nozzle, the ultrasonic generator is provided with a piezoelectric wafer, a backseat and a lead, the lead is connected to the piezoelectric wafer, the backseat is located at one end of the piezoelectric wafer and is in contact with the fastening device, the piezoelectric wafer is provided with a piezoelectric ceramic plate and electrode plates, the electrode plates are respectively plated on the front and back sides of the piezoelectric ceramic plate by adopting metallic silver as a conducting material, short pulse of voltage acts on two poles of the piezoelectric wafer through the lead after energization, and due to back voltage effect, the piezoelectric wafer elastically deforms so as to generate elastic oscillation. The nozzle is simple in structure, convenient to operate, safe and reliable, adjustable in spray flux and distance and the like, and is of great significance to spray effect improvement and reduction of chemical waste.
Description
Technical field
The present invention relates to a kind of ultrasonic-pneumatic energy nozzle, particularly one is for improving drop fogging degree, improves crop medicine and nutrient absorption, reduces drug waste, improves the device of spray effect, belong to the corollary apparatus of agriculture, forestry plant protection equipment.
Background technology
Machinery pesticide application technology essence be in order to improve agricultural chemicals on object (i.e. target) to target deposition, reduce or eliminate its deposition in non-targeted thing or region, take rational technical method that the formulation rate of agricultural chemicals is reduced to minimum of a value, thus farthest improve the effective rate of utilization of agricultural chemicals, the harm of agricultural chemicals to operating personnel and the pollution risk to environment will be eliminated simultaneously.Low amounts, low stain spray technique are problems in the urgent need to address in current pesticide application technology field.Practice shows, under applying ultrasonication condition to liquid, effectively can improve the fogging degree of drop, the raising of fogging degree is conducive to the suction-operated of crop to liquid, is beneficial to absorption simultaneously, reduces drug use amount.The additional function pushed with strength, can better blow the liquid of mist state to crop leaf table.At present, domestic mechanical pesticide application technology is ranging in low level always, is difficult to the demand meeting market, and medicine effective rate of utilization is low, and high amount of drug drift is run off, and environmental pollution is serious, and cause agriculture and forestry product drug residue to exceed standard, the serious threat people's is healthy.
Summary of the invention
The technical problem to be solved in the present invention is: provide a kind of ultrasonic-pneumatic energy nozzle, improve drop fogging degree, improve crop medicine and nutrient absorption, reduce drug waste, improve spray effect.
The technical solution adopted for the present invention to solve the technical problems is: a kind of ultrasonic-pneumatic energy nozzle, comprise the spray boom (or claiming middle spray boom) that axle center is processed with fine liquid runner, also be provided with ultrasonic generator, shower nozzle valve, bracing or strutting arrangement is provided with in the middle part of described spray boom, ultrasonic generator is set on spray boom, ultrasonic generator is positioned at the side of bracing or strutting arrangement away from shower nozzle, fastener is adopted to be pressed abd fixed on bracing or strutting arrangement by ultrasonic generator, shower nozzle valve arranges to be enclosed in and forms shower nozzle in spray boom end, described ultrasonic generator is provided with piezoelectric chip, back seat and wire, wire is connected on piezoelectric chip, back seat is positioned at piezoelectric chip one end and contacts with described fastener, described piezoelectric chip is provided with piezoelectric ceramic piece, electrode slice, electrode slice adopts argent to be plated in the tow sides of piezoelectric ceramic piece respectively as conductive material, after energising, voltage short pulse will act on piezoelectric chip the two poles of the earth by wire, due to inverse pressure effect, generation elastic deformation is produced elastic oscillation by piezoelectric chip.
Described ultrasonic generator core is provided with the through hole adapted with described spray boom, the piezoelectric chip of ultrasonic generator and back seat and spray boom contact portion installing insulating rubber cushion, the position uniform application insulating cement of corresponding piezoelectric chip on the bar wall of spray boom.
Described piezoelectric ceramic piece is flat circle tray type structure.
Described shower nozzle valve is provided with air volume regulating valve, and the change of air volume regulating valve aperture can change the size of throughput, changes by regulating the pressure size of external feeder the pressure passing into gas.
Described fastener comprises pad, spring shim and hold-down nut, described spray boom is provided with screw thread away from the end of shower nozzle, pad, spring shim, hold-down nut are successively set on spray boom end, and be fastened on the back seat of ultrasonic generator by hold-down nut, ensureing under fastening prerequisite, need suitable tightness to adapt to the normal work of ultrasonic generator, pad, spring shim and hold-down nut adopt stainless steel material.
Described air volume regulating valve adopts magnetic valve, controls aperture by external circuits.
Described shower nozzle valve, spray boom and back seat all adopt LY12 aluminum alloy materials to make.
Described wire adopts insulated electric conductor, and after importing piezoelectric chip, exposed part insulating cement seals.
Described shower nozzle valve is threaded with spray boom, can regulate the gap with spray boom by turn shower nozzle valve.
Described bracing or strutting arrangement is plate-like round platform.
The present invention is simply rational in infrastructure, ultrasonic generator is applied in the middle of spraying apparatus, effectively improves drop fogging degree, adopt shower nozzle valve simultaneously, the gap with spray boom can be regulated by turn shower nozzle valve, shower nozzle valve is provided with air volume regulating valve, by regulating the aperture of air volume regulating valve, adjustment throughput, further raising drop atomizing effect, be conducive to crop to medicine and nutrient absorption, reduce drug waste, improve spray effect.Easy to operate, safe and reliable, mist flow and apart from the feature such as adjustable, significant for the quality improving agriculture and forestry spraying protection operation.
During work, on the one hand, electric current passes in ultrasonic generator, and will be produced the vibration of a hyperfrequency by ultrasonic generator, the effect of this vibration will act on middle spray boom, and produces the vibration of amplitude peak at middle spray boom top end.On the other hand, air-flow is flow on shower nozzle valve by outside feeder.Now when liquid flow through middle spray boom flow to middle spray boom top end time, it will be subject to the effect of middle spray boom sonic oscillation and from percussion shower nozzle valve spraying into air-flow simultaneously, liquid is atomized significantly and has possessed and sprayed into the speed that air-flow is close and spray under double action, and better expanding is to crop belts and be attached on crop.The speed of drop fogging degree and droplet ejection can be regulated respectively by the screw-in depth of adjustment shower nozzle valve on middle spray boom and adjustment air volume regulating valve.
The principle of ultrasonic generator realizes ultrasonic generation by the inverse pressure effect of piezoelectric ceramics.After energising, voltage short pulse will act on piezoelectric chip the two poles of the earth by wire, and due to inverse pressure effect, generation elastic deformation is produced elastic oscillation by wafer.Required ultrasonic wave can be obtained by selecting suitable piezoelectric ceramic thickness.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is ultrasonic generator partial enlargement structural representation of the present invention.
In figure: 1, shower nozzle, 2, ultrasonic generator, 3, insulation rubber cushion, 4, air volume regulating valve, 5, fastener, 6, shower nozzle valve, 7, middle spray boom, 8, piezoelectric chip, 9, wire, 10, back seat, 11, piezoelectric ceramic piece, 12, electrode slice, 13, pad, 14, spring shim, 15, hold-down nut, 16, insulating cement.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is further described.
As Fig. 1, shown in Fig. 2, a kind of ultrasonic-pneumatic energy nozzle, comprise the spray boom that axle center is processed with fine liquid runner, ultrasonic generator, shower nozzle valve, the bracing or strutting arrangement of plate-like frustum cone structure is provided with in the middle part of spray boom, ultrasonic generator is set on spray boom, ultrasonic generator is positioned at the side of bracing or strutting arrangement away from shower nozzle, fastener is adopted to be pressed abd fixed on bracing or strutting arrangement by ultrasonic generator, shower nozzle valve arranges to be enclosed in and forms shower nozzle in spray boom end, ultrasonic generator is provided with piezoelectric chip, back seat and wire, wire is connected on piezoelectric chip, wire adopts insulated electric conductor, after importing piezoelectric chip, exposed part insulating cement seals.Back seat is positioned at piezoelectric chip one end and contacts with described fastener, described piezoelectric chip is provided with piezoelectric ceramic piece, electrode slice, electrode slice adopts argent to be plated in the tow sides of piezoelectric ceramic piece respectively as conductive material, after energising, voltage short pulse will act on piezoelectric chip the two poles of the earth by wire, due to inverse pressure effect, generation elastic deformation is produced elastic oscillation by piezoelectric chip.
Ultrasonic generator core is provided with the through hole adapted with described spray boom, the piezoelectric chip of ultrasonic generator and back seat and spray boom contact portion installing insulating rubber cushion, the position uniform application insulating cement of corresponding piezoelectric chip on the bar wall of spray boom.Piezoelectric ceramic piece is flat circle tray type structure, and piezoelectric ceramic piece and back seat core are provided with the through hole adapted with described spray boom.Shower nozzle valve is threaded with spray boom, and shower nozzle valve 6 inner contact place is processed with closely-pitched internal thread, is connected with the fine thread on spray boom 7 effect playing sealing, can regulate the gap with middle spray boom 7 by turn shower nozzle valve 6.Shower nozzle valve 6 is provided with air volume regulating valve 4, air volume regulating valve adopts magnetic valve, is controlled the aperture of air volume regulating valve 4 by external circuits, regulates the pressure size of external feeder to change the pressure passing into gas, adjustment throughput.
Fastener comprises pad, spring shim and hold-down nut, described spray boom is provided with screw thread away from the end of shower nozzle, pad, spring shim, hold-down nut are successively set on spray boom end, and be fastened on the back seat of ultrasonic generator by hold-down nut, ensureing under fastening prerequisite, need suitable tightness to adapt to the normal work of ultrasonic generator, pad, spring shim and hold-down nut adopt stainless steel material.Shower nozzle valve, spray boom and back seat all adopt LY12 aluminum alloy materials to make.
Ultrasonic generator realizes ultrasonic generation by the inverse pressure effect of piezoelectric ceramics, and when after energising, voltage short pulse will act on piezoelectric chip the two poles of the earth by wire, and generation elastic deformation is produced elastic oscillation by wafer.Required ultrasonic wave can be obtained by selecting suitable piezoelectric ceramic thickness.
A kind of ultrasonic-pneumatic energy nozzle, electric current passes in ultrasonic generator, and will be produced the vibration of a hyperfrequency by ultrasonic generator, the effect of this vibration will act on middle spray boom, and produces the vibration of amplitude peak at middle spray boom top end.Outside feeder flow into shower nozzle valve overdraught and flow to middle spray boom top end liquid stream and be combined, liquid stream will be subject to the effect of middle spray boom sonic oscillation and from percussion shower nozzle valve spraying into air-flow simultaneously, liquid is atomized significantly and has possessed and sprayed into the speed that air-flow is close and spray under double action, and better expanding is to crop belts and be attached on crop.The speed of drop fogging degree and droplet ejection can be regulated respectively by the screw-in depth of adjustment shower nozzle valve on middle spray boom and adjustment air volume regulating valve.
Claims (10)
1. ultrasonic-pneumatic energy nozzle, comprise the spray boom that axle center is processed with fine liquid runner, it is characterized in that, be provided with ultrasonic generator, shower nozzle valve, bracing or strutting arrangement is provided with in the middle part of described spray boom, ultrasonic generator is set on spray boom, ultrasonic generator is positioned at the side of bracing or strutting arrangement away from shower nozzle, fastener is adopted to be pressed abd fixed on bracing or strutting arrangement by ultrasonic generator, shower nozzle valve arranges to be enclosed in and forms shower nozzle in spray boom end, described ultrasonic generator is provided with piezoelectric chip, back seat and wire, wire is connected on piezoelectric chip, back seat is positioned at piezoelectric chip one end and contacts with described fastener, described piezoelectric chip is provided with piezoelectric ceramic piece, electrode slice, electrode slice adopts argent to be plated in the tow sides of piezoelectric ceramic piece respectively as conductive material, after energising, voltage short pulse will act on piezoelectric chip the two poles of the earth by wire, due to inverse pressure effect, generation elastic deformation is produced elastic oscillation by piezoelectric chip.
2. one according to claim 1 ultrasonic-pneumatic energy nozzle, it is characterized in that, described ultrasonic generator core is provided with the through hole adapted with described spray boom, the piezoelectric chip of ultrasonic generator and back seat and spray boom contact portion installing insulating rubber cushion, the position uniform application insulating cement of corresponding piezoelectric chip on the bar wall of spray boom.
3. one according to claim 1 ultrasonic-pneumatic energy nozzle, it is characterized in that, described piezoelectric ceramic piece is flat circle tray type structure.
4. one according to claim 1 ultrasonic-pneumatic energy nozzle, it is characterized in that, described shower nozzle valve is provided with air volume regulating valve, and the change of air volume regulating valve aperture can change the size of throughput, changes by regulating the pressure size of external feeder the pressure passing into gas.
5. one according to claim 1 ultrasonic-pneumatic energy nozzle, it is characterized in that, described fastener comprises pad, spring shim and hold-down nut, described spray boom is provided with screw thread away from the end of shower nozzle, pad, spring shim, hold-down nut are successively set on spray boom end, and be fastened on the back seat of ultrasonic generator by hold-down nut, ensureing under fastening prerequisite, need suitable tightness to adapt to the normal work of ultrasonic generator, pad, spring shim and hold-down nut adopt stainless steel material.
6. one according to claim 4 ultrasonic-pneumatic energy nozzle, it is characterized in that, described air volume regulating valve adopts magnetic valve, controls aperture by external circuits.
7. one according to claim 1 ultrasonic-pneumatic energy nozzle, it is characterized in that, described shower nozzle valve, spray boom and back seat all adopt LY12 aluminum alloy materials to make.
8. one according to claim 1 ultrasonic-pneumatic energy nozzle, it is characterized in that, described wire adopts insulated electric conductor, and after importing piezoelectric chip, exposed part insulating cement seals.
9. one according to claim 1 ultrasonic-pneumatic energy nozzle, it is characterized in that, described shower nozzle valve is threaded with spray boom, can regulate the gap with spray boom by turn shower nozzle valve.
10. one according to claim 1 ultrasonic-pneumatic energy nozzle, it is characterized in that, described bracing or strutting arrangement is plate-like round platform.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510048972.2A CN104549867A (en) | 2015-01-30 | 2015-01-30 | Ultrasonic-pneumatic nozzle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510048972.2A CN104549867A (en) | 2015-01-30 | 2015-01-30 | Ultrasonic-pneumatic nozzle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104549867A true CN104549867A (en) | 2015-04-29 |
Family
ID=53067560
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510048972.2A Pending CN104549867A (en) | 2015-01-30 | 2015-01-30 | Ultrasonic-pneumatic nozzle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104549867A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110787397A (en) * | 2019-11-17 | 2020-02-14 | 扬州大学 | All-dimensional space integrated multi-terrain fireproof flame-proof intelligent fire-fighting robot |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7712249B1 (en) * | 2007-11-16 | 2010-05-11 | Monster Mosquito Systems, Llc | Ultrasonic humidifier for repelling insects |
| CN102784738A (en) * | 2012-07-06 | 2012-11-21 | 江苏大学 | Low-frequency ultrasonic atomizing spray nozzle with large atomization amount |
| CN102861693A (en) * | 2012-10-15 | 2013-01-09 | 哈尔滨工业大学 | Piezoelectric micro-spraying device based on longitudinal vibration sandwich transducer |
| CN103056061A (en) * | 2013-01-27 | 2013-04-24 | 苏州科技学院 | Ultrasonic vibration atomizer |
| CN103567106A (en) * | 2012-08-10 | 2014-02-12 | 苏州宏久航空防热材料科技有限公司 | Ultrasonic atomizing device and atomizing method for liquid-containing binder for glass cotton |
-
2015
- 2015-01-30 CN CN201510048972.2A patent/CN104549867A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7712249B1 (en) * | 2007-11-16 | 2010-05-11 | Monster Mosquito Systems, Llc | Ultrasonic humidifier for repelling insects |
| CN102784738A (en) * | 2012-07-06 | 2012-11-21 | 江苏大学 | Low-frequency ultrasonic atomizing spray nozzle with large atomization amount |
| CN103567106A (en) * | 2012-08-10 | 2014-02-12 | 苏州宏久航空防热材料科技有限公司 | Ultrasonic atomizing device and atomizing method for liquid-containing binder for glass cotton |
| CN102861693A (en) * | 2012-10-15 | 2013-01-09 | 哈尔滨工业大学 | Piezoelectric micro-spraying device based on longitudinal vibration sandwich transducer |
| CN103056061A (en) * | 2013-01-27 | 2013-04-24 | 苏州科技学院 | Ultrasonic vibration atomizer |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110787397A (en) * | 2019-11-17 | 2020-02-14 | 扬州大学 | All-dimensional space integrated multi-terrain fireproof flame-proof intelligent fire-fighting robot |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104549813A (en) | Ultrasonic-pneumatic electrostatic nozzle | |
| AU2009337337B2 (en) | Atomization Cooling Equipment and Atomizing Method | |
| GB0524979D0 (en) | An electrospray device and a method of electrospraying | |
| CN105499048A (en) | Gas-assisted type low-frequency electrostatic ultrasonic atomization nozzle | |
| CN102500502B (en) | A kind of two-stage ultrasonic vibration atomizer | |
| CN104874515B (en) | Low-frequency ultrasonic secondary atomizing spraying head controlled in electromagnetic mode | |
| CN103056061A (en) | Ultrasonic vibration atomizer | |
| CN102294313B (en) | Low-frequency ultrasonic secondary atomizing sprayer with adjustable spray angle | |
| JP2006521915A (en) | Spray electrode | |
| CN103062607A (en) | Minimal quantity of lubricant control system using air to drive lubricant | |
| CN104549867A (en) | Ultrasonic-pneumatic nozzle | |
| CN113877756B (en) | Active fog ion generating device and control system thereof | |
| ES2893409T3 (en) | Coating system with ultrasonic spray head and electrostatic field | |
| CN103997842A (en) | Method of improving space uniformity of atmospheric pressure plasma jet array | |
| JP5290561B2 (en) | Spray cooling equipment and spraying method | |
| CN201913041U (en) | Ultrasonic atomizer | |
| KR20090104404A (en) | Multiplexed Grooved Nozzles Electrospray Apparatus Having Extractor of Insulated Electric Potential and Method Thereof | |
| CN103794462A (en) | Ultrasonic atomization plasma processing device | |
| WO2019019556A1 (en) | Nano water ion generating device | |
| CN107413544B (en) | A kind of device of the contactless porous preparation liquid metal droplet of more regulations of on-demand | |
| Wei et al. | Droplet size and spray pattern characteristics of PWM-based continuously variable spray | |
| CN101879493A (en) | Ultrasonic focusing liquid sprayer | |
| CN204734576U (en) | Contamination double atomization device is breathed to liquid aerosol | |
| WO2014139665A1 (en) | Ultrasonic nebuliser | |
| CN203400818U (en) | Ultrasonic atomizer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150429 |