CN103056061A - Ultrasonic vibration atomizer - Google Patents
Ultrasonic vibration atomizer Download PDFInfo
- Publication number
- CN103056061A CN103056061A CN2013100292170A CN201310029217A CN103056061A CN 103056061 A CN103056061 A CN 103056061A CN 2013100292170 A CN2013100292170 A CN 2013100292170A CN 201310029217 A CN201310029217 A CN 201310029217A CN 103056061 A CN103056061 A CN 103056061A
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- Prior art keywords
- ultrasonic
- ultrasonic vibration
- bolt
- atomizer
- oscillating plate
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- 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.)
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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
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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
- B05B17/0638—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 spray being produced by discharging the liquid or other fluent material through a plate comprising a plurality of orifices
Landscapes
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
- Special Spraying Apparatus (AREA)
Abstract
The invention discloses an ultrasonic vibration atomizer which comprises a liquid delivery pipeline, a bolt, a rear cover plate, a piezoelectric ceramic wafer, an electrode piece, an amplitude changing rod and a mesh vibration plate. The rear cover plate, the piezoelectric ceramic wafer, the electrode piece and the amplitude changing rod are sequentially sleeved on the bolt and connected and clamped through the bolt, the liquid delivery pipeline is connected at the rear end of the bolt, and the mesh vibration plate is arranged at the front end of the amplitude changing rod. An energy converter is of a sandwich type structure, and the ultrasonic vibration atomizer has the advantages of large power capacity, tiny and uniform in fogdrop after atomizing, effective in liquid medium atomizing, easy to control atomizing amount 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 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 type commonly used has following several:
(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 the 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 liquid atomization.
Exist the problems such as complex structure, cost is high, power consumption is large, the atomizing particle diameter is large, 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, developing green, efficiently atomization technique has become one of the basis of infant industry technical development and key technology, guaranteeing good atomizing effect, when improving nebulization efficiency and atomization quality, reduce the consumption of electric energy as far as possible, thereby environmental contamination reduction, the realization green low-carbon is produced, easier control and more environmental protection.
In order to overcome the deficiency of above atomization technique, publication number is that the patent documentation of CN102500502A discloses a kind of two-stage ultrasonic vibration atomizer, this ultrasonic vibration atomizer adopts the sandwich transducer structure, it is larger to have power capacity, the advantage that atomization ability is stronger, but this ultrasonic atomizer also exists some defectives, it is larger that the inclination micropore of this atomizer primary atomization shower nozzle is made installation difficulty, reduce the vibration frequency that fogdrop diameter need to improve system, further increased manufacture difficulty, fogdrop diameter after the atomizing of secondary-atomizing face is even not, although atomizing effect is compared general ultrasonic vibration atomizer and made moderate progress, the inhomogeneous problem of fogdrop diameter is not solved at all.
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 ultrasonic vibration atomizer, technical scheme of the present invention is:
A kind of ultrasonic vibration atomizer, comprise the liquor charging pipeline, bolt, back shroud, piezoelectric ceramic piece, electrode slice, ultrasonic transformer and mesh oscillating plate, described back shroud, described piezoelectric ceramic piece, described electrode slice and described ultrasonic transformer are set on the described bolt successively, described back shroud, described piezoelectric ceramic piece, described electrode slice and described ultrasonic transformer clamp by described bolt-connection, described liquor charging pipeline is connected in the rear end of described bolt, described mesh oscillating plate is arranged on the front end of described ultrasonic transformer, this ultrasonic vibration atomizer does not need significantly to improve the system vibration frequency and reduces fogdrop diameter, but the synergy of the micropore on the dependence mesh oscillating plate and ultrasonic vibration limits the diameter of droplet, micropore on the mesh oscillating plate adopts the laser beam perforation machine to machine, and processing cost is lower.
Further, described liquor charging pipeline is connected with a certain amount of liquid feed device.
Further, described ultrasonic vibration atomizer is connected with a ultrasonic-frequency power supply.
Further, be distributed with the micropore of 25-300 diameter 5-30 μ m on every square millimeter of the described mesh oscillating plate.
During operation, after the electrode slice of ultrasonic vibration atomizer accesses the signal of telecommunication of ultrasonic-frequency power supply, the PZT (piezoelectric transducer) section of ultrasonic vibration atomizer will produce the longitudinal ultrasonic simple harmonic oscillation, and the mesh oscillating plate that drives ultrasonic transformer 1 front end carries out ultrasonic vibration, under the longitudinal vibration excitation of ultrasonic transformer, the mesh oscillating plate has formed flexural vibrations, and reach certain vibration amplitude, liquid medium is flowed through the liquor charging pipeline during to the mesh oscillating plate, be subject to the effect of contraction of micropore on the mesh oscillating plate, and being subject to the high frequency ultrasound effect of vibration of mesh oscillating plate, liquid medium is flowed through and is formed mist droplet in the place ahead of atomizer mesh oscillating plate behind the micropore of mesh oscillating plate, and sprays forward.Because flexural vibrations coefficient of coup when realizing the coupling of ultrasonic and air is higher, the ultrasonic vibrational energy conversion ratio is higher, therefore the flexural vibrations of mesh oscillating plate can improve the directive property that droplet sprays, on the basis that guarantees high-efficient atomizing, can significantly reduce the liquid medium consumption, thereby realize environmental protection production.
The present invention also has the following advantages:
1. transducer portion adopts sandwich type structural
Transducer portion of the present invention adopts sandwich type structural, has that power capacity is large, simple in structure, power is adjustable, a big or small advantage such as adjustable of atomization quantity;
2. droplet is tiny, and droplet is even
Fogdrop diameter is subjected to effect of contraction and the high frequency ultrasound effect of vibration of micropore on the mesh oscillating plate, has limited fogdrop diameter, and has guaranteed the uniformity of fogdrop diameter;
3. atomizing medium is extensive
Can realize the atomizing of plurality of liquid medium;
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 the technical fields such as honing, milling, Laser Processing, welding processing.
Description of drawings:
Fig. 1 is the structural representation of a kind of ultrasonic vibration atomizer of the present invention;
Fig. 2 is the mesh vibration board structure schematic diagram of ultrasonic vibration atomizer front end of the present invention;
Fig. 3 is the application example schematic diagram of a kind of ultrasonic vibration atomizer of the present invention;
Number in the figure explanation: 1. liquor charging pipeline, 2. bolt, 3. back shroud, 4. electrode slice, 5. piezoelectric ceramic piece, 6. ultrasonic transformer, 7. mesh oscillating plate, 8. quatitative liquid supplying device, 9. ultrasonic-frequency power supply
The specific embodiment
As shown in Figure 3, embodiments of the invention have adopted the piezoelectric ceramics sandwich type structural, comprise liquor charging pipeline (1), bolt (2), back shroud (3), electrode slice (4), piezoelectric ceramic piece (5), ultrasonic transformer (6) and mesh oscillating plate (7), described back shroud (3), described electrode slice (4), described piezoelectric ceramic piece (5) and described ultrasonic transformer (6) are set on the described bolt (2) successively, described back shroud (3), described electrode slice (4), described piezoelectric ceramic piece (5) and described ultrasonic transformer (6) connect clamping by described bolt (2), described liquor charging pipeline (1) is connected in the rear end of bolt (2), and described mesh oscillating plate (7) is arranged on the front end of described ultrasonic transformer (6).Described liquor charging pipeline (1) is connected with a certain amount of liquid feed device (8).The electrode slice of described ultrasonic vibration atomizer is connected with a ultrasonic-frequency power supply (9).
Ultrasonic vibration atomizer piezoelectric ceramic transducer section diameter 30mm, piezoelectric ceramic piece is PZT-8, is of a size of,
Ф 30 * Ф 15 * 5Ultrasonic transformer section diameter 15mm, the transducer intrinsic frequency is 36.32KHz, and impedance is 100 ohm, and dynamic electric resistor is 16 ohm.The ultrasonic-frequency power supply output voltage range is 0-400V, and current range is 0-4A, and output frequency is 36.32 ± 0.01KHz.
During operation, after the electrode slice of ultrasonic vibration atomizer accesses the signal of telecommunication of ultrasonic-frequency power supply, ultrasonic-frequency power supply 1 output voltage is 220V, electric current is 1.5A, the PZT (piezoelectric transducer) section of ultrasonic vibration atomizer produces the longitudinal ultrasonic simple harmonic oscillation, and the mesh oscillating plate that drives ultrasonic transformer 1 front end carries out ultrasonic vibration, under the longitudinal vibration excitation of ultrasonic transformer, the mesh oscillating plate has formed flexural vibrations, and reach certain vibration amplitude, liquid medium is flowed through the liquor charging pipeline during to the mesh oscillating plate, be subject to the effect of contraction of micropore on the mesh oscillating plate, and being subject to the high frequency ultrasound effect of vibration of mesh oscillating plate, liquid medium is flowed through and is formed mist droplet in the place ahead of atomizer mesh oscillating plate behind the micropore of mesh oscillating plate, and sprays forward.Because flexural vibrations coefficient of coup when realizing the coupling of ultrasonic and air is higher, the ultrasonic vibrational energy conversion ratio is higher, so the flexural vibrations of mesh oscillating plate can improve the directive property that droplet sprays.Because transducer adopts sandwich type structural, therefore have the advantages such as power capacity is large.Fogdrop diameter is subjected to the effect of contraction of micropore on the mesh oscillating plate, has limited fogdrop diameter, and has guaranteed the uniformity of fogdrop diameter.On the basis that guarantees high-efficient atomizing, can significantly reduce the liquid medium consumption, thereby realize environmental protection production.
Claims (4)
1. ultrasonic vibration atomizer, it is characterized in that, comprise liquor charging pipeline (1), bolt (2), back shroud (3), electrode slice (4), piezoelectric ceramic piece (5), ultrasonic transformer (6) and mesh oscillating plate (7), described back shroud (3), described electrode slice (4), described piezoelectric ceramic piece (5) and described ultrasonic transformer (6) are set on the described bolt (2) successively, described back shroud (3), described electrode slice (4), described piezoelectric ceramic piece (5) and described ultrasonic transformer (6) connect clamping by described bolt (2), described liquor charging pipeline (1) is connected in the rear end of bolt (2), and described mesh oscillating plate (7) is arranged on the front end of described ultrasonic transformer (6).
2. ultrasonic vibration atomizer according to claim 1, described liquor charging pipeline is connected with a certain amount of liquid feed device.
3. ultrasonic vibration atomizer according to claim 1, described ultrasonic vibration atomizer is connected with a ultrasonic-frequency power supply.
4. one of according to claim 1-3 described ultrasonic vibration atomizer is characterized in that: every square millimeter of micropore that is distributed with 25-300 diameter 5-30 μ m on the described mesh oscillating plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100292170A CN103056061A (en) | 2013-01-27 | 2013-01-27 | Ultrasonic vibration atomizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100292170A CN103056061A (en) | 2013-01-27 | 2013-01-27 | Ultrasonic vibration atomizer |
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|---|---|
| CN103056061A true CN103056061A (en) | 2013-04-24 |
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|---|---|---|---|
| CN2013100292170A Pending CN103056061A (en) | 2013-01-27 | 2013-01-27 | Ultrasonic vibration atomizer |
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Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103341439A (en) * | 2013-07-24 | 2013-10-09 | 苏州科技学院 | Large-power air coupling ultrasonic vibration transducer |
| CN103599867A (en) * | 2013-08-29 | 2014-02-26 | 咸威 | Ultrasonic spraying device for atomizing viscous liquid and suspension liquid |
| CN103769338A (en) * | 2014-01-15 | 2014-05-07 | 江苏大学 | Medium-frequency ultrasonic atomizing spray head with polarizing in radial thickness direction |
| CN104174511A (en) * | 2014-08-14 | 2014-12-03 | 北京东方金荣超声电器有限公司 | Ultrasonic spray-drying nozzle |
| CN104209222A (en) * | 2014-09-19 | 2014-12-17 | 江苏大学 | Bernoulli twisted-pair low-frequency ultrasonic triple atomizing spray nozzle |
| CN104549867A (en) * | 2015-01-30 | 2015-04-29 | 扬州大学 | Ultrasonic-pneumatic nozzle |
| CN104689946A (en) * | 2014-07-30 | 2015-06-10 | 北京东方金荣超声电器有限公司 | Superfine ultrasonic sprayer |
| CN105451891A (en) * | 2013-08-08 | 2016-03-30 | 东芝三菱电机产业系统株式会社 | Atomizer |
| WO2017166350A1 (en) * | 2016-04-01 | 2017-10-05 | 江苏大学 | Low frequency electrostatic ultrasonic atomising nozzle |
| CN107899846A (en) * | 2017-11-21 | 2018-04-13 | 江西天祥通用航空股份有限公司 | A kind of ultrasonic atomizatio shower nozzle |
| 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 |
| CN112044668A (en) * | 2020-09-03 | 2020-12-08 | 桐乡清锋科技有限公司 | Leadless piezoelectric atomization element and vibrating sieve hole type atomizer |
| US10863293B2 (en) | 2017-05-24 | 2020-12-08 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Electro-acoustic conversion device and terminal |
| CN112275057A (en) * | 2020-10-19 | 2021-01-29 | 邹海川 | Long service life's chemical waste gas extraction equipment |
| WO2021092853A1 (en) * | 2019-11-11 | 2021-05-20 | 咸威 | Bidirectional reflective ultrasonic atomization transducer |
| EP3782681A4 (en) * | 2018-04-20 | 2022-01-12 | Sunshine Lake Pharma Co., Ltd. | Atomization apparatus and quick atomization method |
| CN113977344A (en) * | 2021-11-19 | 2022-01-28 | 南京航空航天大学 | Ultrasonic vibration atomization rotating jet cooling device and operation process thereof |
| CN114178116A (en) * | 2021-12-16 | 2022-03-15 | 广州大学 | Ultrasonic atomization device for high-viscosity liquid |
| WO2022247144A1 (en) * | 2021-05-24 | 2022-12-01 | 深圳市帝拓电子有限公司 | Transverse wave-type high-frequency atomization method and transverse wave atomization structure |
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| US4796807A (en) * | 1987-03-17 | 1989-01-10 | Lechler Gmbh & C. Kg | Ultrasonic atomizer for liquids |
| CN201519640U (en) * | 2009-07-21 | 2010-07-07 | 王成 | Microporous piezoceramic atomization sheet |
| CN102274810A (en) * | 2010-06-08 | 2011-12-14 | 中研应用感测科技股份有限公司 | Separating-type ultrasonic atomizer |
| CN102365132A (en) * | 2009-03-31 | 2012-02-29 | 株式会社村田制作所 | Atomizing unit and atomizer provided with same |
| CN102500502A (en) * | 2011-10-10 | 2012-06-20 | 苏州科技学院 | Two-stage ultrasonic vibration atomizer |
-
2013
- 2013-01-27 CN CN2013100292170A patent/CN103056061A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4796807A (en) * | 1987-03-17 | 1989-01-10 | Lechler Gmbh & C. Kg | Ultrasonic atomizer for liquids |
| CN102365132A (en) * | 2009-03-31 | 2012-02-29 | 株式会社村田制作所 | Atomizing unit and atomizer provided with same |
| CN201519640U (en) * | 2009-07-21 | 2010-07-07 | 王成 | Microporous piezoceramic atomization sheet |
| CN102274810A (en) * | 2010-06-08 | 2011-12-14 | 中研应用感测科技股份有限公司 | Separating-type ultrasonic atomizer |
| CN102500502A (en) * | 2011-10-10 | 2012-06-20 | 苏州科技学院 | Two-stage ultrasonic vibration atomizer |
Cited By (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103341439B (en) * | 2013-07-24 | 2015-06-24 | 苏州科技学院 | Large-power air coupling ultrasonic vibration transducer |
| CN103341439A (en) * | 2013-07-24 | 2013-10-09 | 苏州科技学院 | Large-power air coupling ultrasonic vibration transducer |
| CN105451891B (en) * | 2013-08-08 | 2018-09-14 | 东芝三菱电机产业系统株式会社 | Atomising device |
| CN105451891A (en) * | 2013-08-08 | 2016-03-30 | 东芝三菱电机产业系统株式会社 | Atomizer |
| CN103599867A (en) * | 2013-08-29 | 2014-02-26 | 咸威 | Ultrasonic spraying device for atomizing viscous liquid and suspension liquid |
| CN103769338A (en) * | 2014-01-15 | 2014-05-07 | 江苏大学 | Medium-frequency ultrasonic atomizing spray head with polarizing in radial thickness direction |
| CN103769338B (en) * | 2014-01-15 | 2016-03-09 | 江苏大学 | A kind of mid-frequency ultrasonic atomizer of radial thickness direction polarization |
| CN104689946A (en) * | 2014-07-30 | 2015-06-10 | 北京东方金荣超声电器有限公司 | Superfine ultrasonic sprayer |
| CN104174511A (en) * | 2014-08-14 | 2014-12-03 | 北京东方金荣超声电器有限公司 | Ultrasonic spray-drying nozzle |
| CN104209222B (en) * | 2014-09-19 | 2016-06-15 | 江苏大学 | A kind of Bernoulli Jacob's three atomizers of twisted-pair cable type low frequency ultrasound |
| CN104209222A (en) * | 2014-09-19 | 2014-12-17 | 江苏大学 | Bernoulli twisted-pair low-frequency ultrasonic triple atomizing spray nozzle |
| CN104549867A (en) * | 2015-01-30 | 2015-04-29 | 扬州大学 | Ultrasonic-pneumatic nozzle |
| US10610880B2 (en) | 2016-04-01 | 2020-04-07 | Jiangsu University | Low frequency electrostatic ultrasonic atomising nozzle |
| WO2017166350A1 (en) * | 2016-04-01 | 2017-10-05 | 江苏大学 | Low frequency electrostatic ultrasonic atomising nozzle |
| US10863293B2 (en) | 2017-05-24 | 2020-12-08 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Electro-acoustic conversion device and terminal |
| CN107899846A (en) * | 2017-11-21 | 2018-04-13 | 江西天祥通用航空股份有限公司 | A kind of ultrasonic atomizatio shower nozzle |
| EP3782681A4 (en) * | 2018-04-20 | 2022-01-12 | Sunshine Lake Pharma Co., Ltd. | Atomization apparatus and quick atomization method |
| 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 |
| WO2021092853A1 (en) * | 2019-11-11 | 2021-05-20 | 咸威 | Bidirectional reflective ultrasonic atomization transducer |
| CN112044668A (en) * | 2020-09-03 | 2020-12-08 | 桐乡清锋科技有限公司 | Leadless piezoelectric atomization element and vibrating sieve hole type atomizer |
| CN112275057A (en) * | 2020-10-19 | 2021-01-29 | 邹海川 | Long service life's chemical waste gas extraction equipment |
| WO2022247144A1 (en) * | 2021-05-24 | 2022-12-01 | 深圳市帝拓电子有限公司 | Transverse wave-type high-frequency atomization method and transverse wave atomization structure |
| CN113977344A (en) * | 2021-11-19 | 2022-01-28 | 南京航空航天大学 | Ultrasonic vibration atomization rotating jet cooling device and operation process thereof |
| CN114178116A (en) * | 2021-12-16 | 2022-03-15 | 广州大学 | Ultrasonic atomization device for high-viscosity liquid |
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Application publication date: 20130424 |