CN102500502A - Two-stage ultrasonic vibration atomizer - Google Patents
Two-stage ultrasonic vibration atomizer Download PDFInfo
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- CN102500502A CN102500502A CN2011103039334A CN201110303933A CN102500502A CN 102500502 A CN102500502 A CN 102500502A CN 2011103039334 A CN2011103039334 A CN 2011103039334A CN 201110303933 A CN201110303933 A CN 201110303933A CN 102500502 A CN102500502 A CN 102500502A
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- ultrasonic vibration
- stage
- atomizing
- radiating surface
- atomization
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- 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
- B05B17/0623—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 coupled with a vibrating horn
- B05B17/063—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 coupled with a vibrating horn having an internal channel for supplying the liquid or other fluent material
Abstract
The invention discloses a two-stage ultrasonic vibration atomizer, which comprises a liquid conveying pipeline, a bolt, a rear cover plate, a piezoelectric ceramic plate, an electrode sheet, an amplitude transformer, a first-stage atomizing spray head and a second-stage atomizing radiation surface, wherein the rear cover plate, the piezoelectric ceramic plate and the electrode sheet are pressed by the connection between the amplitude transformer and the thread at the front end of the bolt, so as to form a second-stage ultrasonic atomizing vibrator; the first-stage atomizing spray head is connected with the front end of the amplitude transformer; and the second-stage atomizing radiation surface is clamped between the front end of the amplitude transformer and the rear end of the first-stage atomizing spray head. According to the invention, the vibrator part adopts a sandwich transducer structure, and has high power capability; the first-stage atomizing is realized by the micro-spraying holes on the first-stage atomizing spray head; the second-stage atomizing is realized by ultrasonic vibration; and through two-stage atomizing, the two-stage ultrasonic vibration atomizer has the advantages of small gas atomizing grains and the like, and can be applied to the fields of cooling of mechanical processing and cutting heat, air moistening, medical treatment, dedusting, deodorizing, weaving, printing and dyeing, tobacco, flowers, papermaking, electronics, spray-coating, chemical industry, granulating, fungus culturing, fruit storage and the like.
Description
Technical field
The present invention relates to utilize the ultrasonic vibration atomizing field of piezo-electric effect, specifically, relate to a kind of secondary ultrasonic vibration atomizer.
Background technology
Atomize at more multi-field liquid towards media that all needs such as cooling, air wetting, medical treatment, dedusting, deodorizing, weaving, printing and dyeing, tobacco, flowers, telecommunications, papermaking, electronics, view, spraying, iron and steel, chemical industry, cleaning, granulation, mushroom cultivation, fruit storages, atomizing materialization mode commonly used has:
(1) mechanical atomization
To liquid pressurization, by nozzle inject static with high speed and high pressure or low speed flow in, jet velocity increases; During the liquid ejection, because pressure lowers suddenly, under actings in conjunction such as surface tension, viscosity and air drag, liquid forms spray flow by drippage, level and smooth stream, wave flow to the spray flow transition.
(2) ultrasonic atomizatio
Drive the ultrasonic vibration transducer by ultrasonic-frequency power supply, make piezoelectric vibrator can produce axial vibration, this mechanical resonance is transferred to the liquid that is in contact with it again, makes liquid generation cavitation, makes liquid surface produce the capillary wave of finite amplitude, thereby makes the atomization of liquid.
Exist problems such as complex structure, cost is high, power consumption is big, the atomizing particle diameter is big, nebulization efficiency is low, the atomizing flow is little in common mechanical atomization and the ultrasonic atomizatio mode; In order to be fit to new commercial Application needs; Exploitation is green, atomization technique has become one of basis and key technology of infant industry technical development efficiently, is guaranteeing good atomizing effect, when improving nebulization efficiency and atomization quality; Reduce the consumption of electric energy as far as possible; Thereby the minimizing environmental pollution realizes green low-carbon production, more easily control and more environmental protection.
Summary of the invention
For overcoming the deficiency that exists in the existing atomization technique, the object of the present invention is to provide a kind of secondary ultrasonic vibration atomizer, technical scheme of the present invention is:
A kind of secondary ultrasonic vibration atomizer; Comprise liquor charging pipeline, bolt, back shroud, electrode slice, piezoelectric ceramic piece, horn, secondary atomization radiating surface and primary atomization shower nozzle; Be set in the said back shroud on the said bolt, said electrode slice, said piezoelectric ceramic piece and said horn successively, constitute the oscillator part of said ultrasonic vibration atomizer with said bolt; Said primary atomization shower nozzle is connected the front end of horn,
Preferably, said primary atomization shower nozzle is through the front end that is threaded in horn of its rear end.
Said secondary atomization radiating surface is arranged between horn front end and the primary atomization shower nozzle rear end, is atomized once more behind the water smoke directive secondary atomization radiating surface of primary atomization shower nozzle ejection.
Said primary atomization shower nozzle is one to have the cylinder of axial centre blind hole; This cylinder connects firmly through screw thread and said horn front end at through hole end; The radial pore that circumference uniform distribution is arranged on the face of cylinder, this micropore and axial centre blind hole connect, and opening is towards said secondary atomization radiating surface.
Said secondary atomization radiating surface can be made as flat radiating surface, divergence form radiating surface or convergent type radiating surface according to actual needs.
The secondary atomization radiating surface is that the atomizer of divergence form radiating surface is applicable to that the atomizing zone requires bigger occasion, and the secondary atomization radiating surface is that the atomizer of convergent type radiating surface is applicable to that the atomizing zone requires the occasion of relatively concentrating.
Said liquor charging pipeline runs through said bolt, said back shroud, said piezoelectric ceramic piece, said horn and the said secondary atomization radiating surface that connects successively, is connected to said primary atomization shower nozzle.
Further, said liquor charging pipeline is connected with liquid feed device.
Further, said secondary ultrasonic atomizer is connected with a ultrasonic-frequency power supply.
During operation, the secondary ultrasonic atomizer connects ultrasonic-frequency power supply, and the liquor charging pipeline in the secondary ultrasonic atomizer is connected with liquid feed device.
After the electrode slice of oscillator inserted ultrasonic electrical signal, the oscillator part will produce the longitudinal ultrasonic vibration, and the horn front end amplifies the amplitude of ultrasonic vibration, and the secondary atomization radiating surface produces the ultrasonic vibration of certain amplitude.Liquid with certain pressure flows to the horn front end through the liquor charging pipeline, through the micropore ejection of primary atomization shower nozzle; Change steam fog into, and spray to the secondary atomization radiating surface, the minor diameter steam fog that makes primary atomization is under the ultrasonic vibration effect of secondary atomization radiating surface; Produce secondary-atomizing; Thereby obtain better atomization quality, The droplet sizes is tiny evenly, and atomizing effect is controlled easily.
The present invention also has the following advantages:
1. adopt the sandwich transducer structure
Oscillator according to the invention partly adopts the sandwich transducer structure, has advantages such as power capacity is big, simple in structure, adjustable power, the steam fog droplet is even, diameter is adjustable.
2. green low-carbon
On the basis that guarantees high-efficient atomizing, can reduce the liquid medium consumption to greatest extent, thereby realize environmental protection production.
3. atomizing medium is extensive
Various liquid mediums can atomize.
4. be widely used
It is more multi-field that the present invention not only can be used in air wetting, medical treatment, dedusting, deodorizing, weaving, printing and dyeing, tobacco, flowers, telecommunications, papermaking, electronics, view, spraying, iron and steel, chemical industry, cleaning, granulation, mushroom cultivation, fruit storage etc., can also be used in the cooling of technical fields such as hone, milling, Laser Processing, welding processing.
Description of drawings
Fig. 1 is the structural representation of a kind of secondary ultrasonic vibration atomizer of the present invention.
Fig. 2 is the structural representation of the another kind of secondary atomization radiating surface of the present invention secondary ultrasonic vibration atomizer that is the divergence form radiating surface.
Fig. 3 is the structural representation of another secondary atomization radiating surface of the present invention secondary ultrasonic vibration atomizer that is the convergent type radiating surface.
Fig. 4 is the application example sketch map of a kind of secondary ultrasonic vibration atomizer of the present invention.
Label declaration among the figure: 1. liquor charging pipeline 2. bolts, 3. back shroud, 4. electrode slice, 5. piezoelectric ceramic piece, 6. horn, 7. secondary atomization radiating surface, 8. primary atomization shower nozzle, 9. liquid feed device, 10. ultrasonic-frequency power supply.
The specific embodiment
As shown in Figure 1; Embodiments of the invention secondary ultrasonic vibration atomizer has adopted the piezoelectric ceramics sandwich type structural; Comprise bolt 2 and be set in back shroud 3, piezoelectric ceramic piece 5, electrode slice 4 and the horn 6 on the said bolt successively, and be arranged on the secondary atomization radiating surface 7 of horn 6 front ends and connect firmly primary atomization shower nozzle 8 at the horn front end through screw thread.Clamp back shroud 2, piezoelectric ceramic piece 3 and electrode slice 4 through the screw thread of bolt 2 front ends and the connection of horn 6; Described back shroud 3, described piezoelectric ceramic piece 5 and described electrode slice 4 screw thread and the described horn 6 through described bolt 2 front ends connects and compresses; Constitute elementary ultrasonic atomizatio oscillator; Described secondary atomization radiating surface 7 is positioned at the oscillator front end, and described primary atomization shower nozzle 8 is positioned at secondary atomization radiating surface 7 front ends.
After the electrode slice 4 of oscillator inserted ultrasonic electrical signal, the oscillator part will produce the longitudinal ultrasonic vibration, and horn 6 front ends amplify the amplitude of ultrasonic vibration, the ultrasonic vibration that secondary atomization radiating surface 7 produces certain amplitude.Liquid with certain pressure flows to horn 6 front ends through liquor charging pipeline 1, through the micropore ejection of primary atomization shower nozzle 8; Change steam fog into, and spray to secondary atomization radiating surface 7, the minor diameter steam fog that makes primary atomization is under the ultrasonic vibration effect of secondary atomization radiating surface 7; Produce secondary-atomizing; Thereby obtain better atomization quality, The droplet sizes is tiny evenly, and atomizing effect is controlled easily.
Shown in Figure 2 is the another kind of version of secondary ultrasonic vibration atomizer; Different with Fig. 1 is that its front end secondary atomization face is the divergence form radiating surface; Be applicable to that atomizing zone requires bigger occasion, the pipeline of liquid medium through liquor charging pipeline 1, horn 6, be delivered to primary atomization shower nozzle 8 front ends to liquid cooling medium.
Shown in Figure 3 is another version of secondary ultrasonic vibration atomizer; Different with Fig. 1 is that its front end secondary atomization face is the convergent type radiating surface; Be applicable to that atomizing zone requires the occasion of relatively concentrating, the pipeline of liquid medium through liquor charging pipeline 1, horn 6, be delivered to primary atomization shower nozzle 8 front ends to liquid cooling medium.
Shown in Figure 4 for adopting the secondary ultrasonic vibration atomization system of secondary ultrasonic vibration atomizer shown in Figure 1, it comprises the secondary ultrasonic vibration atomizer that is made up of liquor charging pipeline 1, bolt 2, back shroud 3, piezoelectric ceramic piece 5, electrode slice 4, horn 6, primary atomization shower nozzle 8 and secondary atomization radiating surface 7, quantitative liquid feed device 9 and ultrasonic-frequency power supply 10.Secondary ultrasonic vibration atomizer is under the driving of ultrasonic-frequency power supply 10; Through the vibration of ultrasonic vibrator, being transported to primary atomization shower nozzle 8, through the micropore ejection of primary atomization shower nozzle 8 front ends through quantitative liquid feed device 9; Change steam fog into; And spraying to secondary atomization radiating surface 7, the minor diameter steam fog that makes primary atomization produces secondary-atomizing under the ultrasonic vibration effect of secondary atomization radiating surface 7.
The foregoing description just is to let the one of ordinary skilled in the art can understand content of the present invention and enforcement according to this in order technical conceive of the present invention and characteristics to be described, to be its objective is, can not limit protection scope of the present invention with this.The variation or the modification of every equivalence that the essence of content has been done according to the present invention all should be encompassed in protection scope of the present invention.
Claims (4)
1. secondary ultrasonic vibration atomizer; Comprise liquor charging pipeline (1), bolt (2), back shroud (3), electrode slice (4), piezoelectric ceramic piece (5), horn (6); It is characterized in that; Also comprise secondary atomization radiating surface (7) and primary atomization shower nozzle (8); Be set in the said back shroud (3) on the said bolt (2), said electrode slice (4), said piezoelectric ceramic piece (5) and said horn (6) successively, with the oscillator part of the said ultrasonic vibration atomizer of said bolt (2) formation; Said primary atomization shower nozzle (8) is connected the front end of horn (6), and said secondary atomization radiating surface (7) is arranged between horn (6) front end and primary atomization shower nozzle (8) rear end.
2. secondary ultrasonic vibration atomizer according to claim 1 is characterized in that said primary atomization shower nozzle (8) is through the front end that is threaded in horn (6) of its rear end.
3. secondary ultrasonic vibration atomizer according to claim 1; It is characterized in that; Said primary atomization shower nozzle (8) is one to have the cylinder of axial centre blind hole, and this cylinder connects firmly through screw thread and said horn (6) front end at through hole end, and the radial pore of circumference uniform distribution is arranged on the face of cylinder; This micropore and axial centre blind hole connect, and opening is towards said secondary atomization radiating surface (7).
4. secondary ultrasonic vibration atomizer according to claim 1 is characterized in that said secondary atomization radiating surface (7) can be made as flat radiating surface, divergence form radiating surface or convergent type radiating surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110303933.4A CN102500502B (en) | 2011-10-10 | 2011-10-10 | A kind of two-stage ultrasonic vibration atomizer |
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| CN201110303933.4A CN102500502B (en) | 2011-10-10 | 2011-10-10 | A kind of two-stage ultrasonic vibration atomizer |
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| CN102500502A true CN102500502A (en) | 2012-06-20 |
| CN102500502B CN102500502B (en) | 2016-02-10 |
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| CN201110303933.4A Expired - Fee Related CN102500502B (en) | 2011-10-10 | 2011-10-10 | A kind of two-stage ultrasonic vibration atomizer |
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Cited By (29)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103056061A (en) * | 2013-01-27 | 2013-04-24 | 苏州科技学院 | Ultrasonic vibration atomizer |
| CN103071612A (en) * | 2012-12-28 | 2013-05-01 | 深圳职业技术学院 | Sandwich type piezoelectric ceramic ultrasonic transducer |
| CN103084981A (en) * | 2013-01-27 | 2013-05-08 | 苏州科技学院 | Split type ultrasonic focusing steam fog cooling device |
| 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 |
| CN104209222A (en) * | 2014-09-19 | 2014-12-17 | 江苏大学 | Bernoulli twisted-pair low-frequency ultrasonic triple atomizing spray nozzle |
| CN104275266A (en) * | 2013-07-11 | 2015-01-14 | 江苏大学 | Medium-frequency ultrasonic atomizing nozzle with Fourier-shaped angle and design method |
| CN104550875A (en) * | 2014-12-17 | 2015-04-29 | 浙江大学 | Ultrasonic auxiliary upper mold structure with cooling device |
| CN104689945A (en) * | 2013-12-10 | 2015-06-10 | 财团法人精密机械研究发展中心 | Ultrasonic spraying module and amplitude-change pole thereof |
| CN105499048A (en) * | 2016-01-19 | 2016-04-20 | 江苏大学 | Gas-assisted type low-frequency electrostatic ultrasonic atomization nozzle |
| CN105537047A (en) * | 2016-03-09 | 2016-05-04 | 苏州科技学院 | Novel cultivation ultrasonic atomization device with gathering function |
| JP2016147248A (en) * | 2015-02-13 | 2016-08-18 | 学校法人日本大学 | Atomizer |
| CN106423607A (en) * | 2016-10-19 | 2017-02-22 | 江苏大学 | Gas-liquid two-phase secondary atomization nozzle |
| CN106914459A (en) * | 2017-03-27 | 2017-07-04 | 徐州冀华金属材料科技有限公司 | A kind of dust arrester based on PZT (piezoelectric transducer) |
| WO2017166350A1 (en) * | 2016-04-01 | 2017-10-05 | 江苏大学 | Low frequency electrostatic ultrasonic atomising nozzle |
| WO2017193507A1 (en) * | 2016-05-13 | 2017-11-16 | 江苏大学 | Piezoelectric two-phase flow ultrasonic atomization nozzle |
| CN108044299A (en) * | 2018-02-07 | 2018-05-18 | 陕西超克能机电科技发展有限公司 | For lathe can tool changing excess sound pressure electro-optical device |
| CN108686915A (en) * | 2018-05-17 | 2018-10-23 | 广东固特超声股份有限公司 | A kind of sonic washing machine |
| WO2018192039A1 (en) * | 2017-04-18 | 2018-10-25 | 江苏大学 | Low-frequency ultrasonic atomizing device having large atomization quantity |
| CN108749006A (en) * | 2018-07-25 | 2018-11-06 | 安徽宜万丰电器有限公司 | A kind of automotive plastic parts combination assembly bonding machine |
| CN109967466A (en) * | 2019-04-09 | 2019-07-05 | 哈尔滨工业大学 | A kind of inner cylinder face robot and its motivational techniques using piezoelectric vibrator |
| CN110976181A (en) * | 2019-11-25 | 2020-04-10 | 湖南嘉业达电子有限公司 | Energy-gathering piezoelectric ceramic atomizing sheet |
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| WO2021031187A1 (en) * | 2019-08-22 | 2021-02-25 | 深圳市乐而信科技服务有限公司 | Needle-type vibration atomization device and essential oil diffuser |
| CN112604929A (en) * | 2015-10-15 | 2021-04-06 | 优威富有限公司 | Vibration exciting method for langevin type ultrasonic transducer, ultrasonic processing method, and ultrasonic transmission method |
| CN112701954A (en) * | 2020-12-24 | 2021-04-23 | 江苏大学 | Ultrasonic stepping superfine single fog drop generator |
| CN114178116A (en) * | 2021-12-16 | 2022-03-15 | 广州大学 | Ultrasonic atomization device for high-viscosity liquid |
| CN114176255A (en) * | 2021-11-02 | 2022-03-15 | 深圳爱芯怡科技有限公司 | Atomizing core and atomizing device |
| CN114871008A (en) * | 2022-04-24 | 2022-08-09 | 广州大学 | Ultrasonic atomization device |
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| WO2022135069A1 (en) * | 2020-12-24 | 2022-06-30 | 江苏大学 | Ultrasonic stepping superfine single droplet generator |
| US11779958B2 (en) | 2020-12-24 | 2023-10-10 | Jiangsu University | Ultrasonic stepping motor device for generating ultra-fine single droplet |
| CN114176255A (en) * | 2021-11-02 | 2022-03-15 | 深圳爱芯怡科技有限公司 | Atomizing core and atomizing device |
| CN114178116A (en) * | 2021-12-16 | 2022-03-15 | 广州大学 | Ultrasonic atomization device for high-viscosity liquid |
| CN114871008A (en) * | 2022-04-24 | 2022-08-09 | 广州大学 | Ultrasonic atomization device |
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