CN102214461A - Ultrasonic generator and applications thereof in ultrasonic nanometer material preparation system - Google Patents
Ultrasonic generator and applications thereof in ultrasonic nanometer material preparation system Download PDFInfo
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- CN102214461A CN102214461A CN2010101441588A CN201010144158A CN102214461A CN 102214461 A CN102214461 A CN 102214461A CN 2010101441588 A CN2010101441588 A CN 2010101441588A CN 201010144158 A CN201010144158 A CN 201010144158A CN 102214461 A CN102214461 A CN 102214461A
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Abstract
The invention relates to an ultrasonic generator which is characterized by comprising a main control single chip, a power amplifying module, a match network, an ultrasonic energy conversion device, a mobile terminal, a central control unit, a thermal protection module and a liquid level protection module; the main control single chip receives the mobile terminal or centrally controls the interface or internal commands to give off driving signals of ultrasonic efficacy to the power amplifying module; the power amplifying module outputs ultrasonic power sources to the match network; a conversion transformer converts the ultrasonic sources into the ultrasonic power signals, outputs the ultrasonic power signals to the ultrasonic energy conversion device through an inductance matching unit and a capacitor matching unit, and drives the ultrasonic energy conversion device to generate high-power ultrasonic waves. The ultrasonic generator provided by the invention can generate uniform sound fields, thus the liquids are distributed uniformly, and further the ultrasonic generator corresponds with the requirement of the preparation of nanometer materials.
Description
Technical field
The present invention relates to a kind of acoustic wave device, relate in particular to a kind of ultrasonic generator, and the application in ultrasonic nano material preparation system.
Background technology
For various components are mixed, produce nano level dispersion effect in the nano material preparation process, quicken chemical reaction, and promote emulsification etc. often can use ultrasonic generator.
Application number is that 93212829.7 utility model patent discloses a kind of automatic frequency tracking power ultrasonic wave-generator, includes direct supply, pulse signal generating circuit, close power amplifier circuit and resonant tank, it is characterized in that:
A. resonant tank is selected for use and is had impedance conversion, the matching transformer B of electric energy transmitting and coupling inductance triple role and the transducer G formation of joining;
B. the power sampled signal of resonant tank output is connected to phase-comparison circuit and carries out bit comparison mutually with 1/4 clock pulse signal that pulse signal generating circuit is exported, error signal after will comparing again is connected to the input end of pulse signal generating circuit, controls 1/4 clock pulse signal Automatic Frequency and follows on the resonance frequency of transducer acquisition peak power;
C. be connected with current foldback circuit and power tube current auto-adjusting circuit between pulse signal generating circuit and the close power amplifier circuit.
Though its technical scheme has realized automatic frequency tracking, the power output of cost 15W just can obtain to have better effect than 200W common power ultrasonic generator.But this instrument applies in the ultrasonic nano material preparation system and has following problem: be subjected to the variation of external conditions such as metal liquid temperature in the preparation process, when mechanical load changes, can cause the systematic parameter conversion, total system is in uncontrollable state, the instrument output frequency is from motion tracking, and transducer power changes thereupon, and sound field is inhomogeneous, the liquid distribution inequality, thus the nano material preparation needs can not be met.
Summary of the invention
The objective of the invention is to make ultrasound wave be in controllable state for a kind of ultrasonic generator is provided, reach sound field and be evenly distributed, dynamics is controlled, thereby more is applicable in the middle of the ultrasonic nano material preparation system.
The present invention is such realization:
Ultrasonic generator of the present invention comprises main control singlechip, power amplifier module, matching network, ultrasonic transducer, portable terminal, central control unit, hot protection module and liquid level protection module.
Main control singlechip 1 is accepted portable terminal 5 or centralized control interface 6 or self internal command and is sent the drive signal of having children outside the state plan power amplifier, driving power amplification module 2 to power amplifier module as main control chip under relevant protection normal condition.
Power amplifier module comprises first sampling module, second sampling module and three phase rectifier unit.First sampling module carries out computing, sampling to the output current and the magnitude of voltage of power amplifier module, and with result transmission to main control module; The output terminal of matching module is electrically connected with second sampling module, and described second sampling module carries out digital sample to output current, the voltage of matching module, and sampled result is transferred to main control module; Thereby it is carried out frequency-tracking.
The power frequency supply that power amplifier module goes out the rectification of three phase rectifier unit according to drive signal is exported to the conversion transformer of matching network after being transformed into ultrasonic-frequency power supply, conversion transformer is transformed into the ultrasonic power signal to supersonic source and exports to ultrasonic transducer through inductance matching unit and electric capacity matching unit, drives the ultrasonic transducer generating high-power ultrasonics to reach cleaning performance.
Main control singlechip in the drive signal of constantly sending ultrasonic power amplifier simultaneously; I/ ￠ in the sampling power amplifier monitors, controls and protect to reach the controlled purpose of ultrasonic power, the resonance effect in the sampling matching network module it; reach the control resonance effect, improve conversion efficiency.
Hot protection module and liquid level protection module send signal to main control unit, and main control unit reaches protective effect to improve the life-span to handling to signal of accepting; Portable terminal and main control singlechip carry out communication and show working condition on portable terminals; Central control unit is sent order to main control singlechip, carries out exchanges data between two modules.
The effect of technical solution of the present invention:
One is that high-speed microprocessor carries out the accurately reliable control of high speed of frequency, power, phase place and realization and peripheral centralized control module and carries out interface communication; It is two for utilizing three phase rectifier to realize large power supersonic output; It is adjusted resonance effect and improves conversion efficiency three for to carry out sample detecting at the matching network output terminal; It is four for to sample in power amplifier module, the near and protection equipment of power controlling; It is five for providing capacitor and inductor fine setting coupling in original state for the coupling transducer.
Description of drawings
Fig. 1 is the structural representation of ultrasonic generator of the present invention.
Embodiment
Below in conjunction with drawings and Examples the present invention is described in detail.
Referring to Fig. 1, ultrasonic generator of the present invention comprises main control singlechip 1, power amplifier module 2, matching network 3, ultrasonic transducer 4, portable terminal 5, central control unit 6, hot protection module 7 and liquid level protection module 8.
Main control singlechip 1 is accepted portable terminal 5 or centralized control interface 6 or self internal command and is sent the drive signal of having children outside the state plan power amplifier, driving power amplification module 2 to power amplifier module 2 as main control chip under relevant protection normal condition.
Power amplifier module 2 comprises first sampling module 21, second sampling module 22 and three phase rectifier unit 23.The power frequency supply that power amplifier module 2 goes out 23 rectifications of three phase rectifier unit according to drive signal is exported to the conversion transformer 31 of matching network 3 after being transformed into ultrasonic-frequency power supply, conversion transformer 31 is transformed into the ultrasonic power signal to supersonic source and exports to ultrasonic transducer 4 through inductance matching unit 32 and electric capacity matching unit 33, drives ultrasonic transducer 4 and produces high-power ultrasonicss to reach cleaning performance.
Main control singlechip 1 in the drive signal of constantly sending ultrasonic power amplifier 2 simultaneously; I/ ￠ in the sampling power amplifier monitors, controls and protect to reach the controlled purpose of ultrasonic power, the resonance effect in the sampling matching network module 3 it; reach the control resonance effect, improve conversion efficiency.
Claims (3)
1. a ultrasonic generator is characterized in that comprising main control singlechip, power amplifier module, matching network, ultrasonic transducer, portable terminal, central control unit, hot protection module and liquid level protection module;
Main control singlechip is accepted portable terminal or centralized control interface or self internal command and is sent the drive signal of having children outside the state plan power amplifier, driving power amplification module to power amplifier module as main control chip under relevant protection normal condition;
The power frequency supply that power amplifier module goes out the rectification of three phase rectifier unit according to drive signal is exported to the conversion transformer of matching network after being transformed into ultrasonic-frequency power supply, conversion transformer is transformed into the ultrasonic power signal to supersonic source and exports to ultrasonic transducer through inductance matching unit and electric capacity matching unit, drives the ultrasonic transducer generating high-power ultrasonics.
2. ultrasonic generator according to claim 1; it is characterized in that also comprising hot protection module and liquid level protection module; described hot protection module and described liquid level protection module send signal to described main control unit, and described main control unit is to handling to signal of accepting.
3. ultrasonic generator according to claim 1, the application in ultrasonic nano material preparation system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101441588A CN102214461A (en) | 2010-04-09 | 2010-04-09 | Ultrasonic generator and applications thereof in ultrasonic nanometer material preparation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101441588A CN102214461A (en) | 2010-04-09 | 2010-04-09 | Ultrasonic generator and applications thereof in ultrasonic nanometer material preparation system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102214461A true CN102214461A (en) | 2011-10-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010101441588A Pending CN102214461A (en) | 2010-04-09 | 2010-04-09 | Ultrasonic generator and applications thereof in ultrasonic nanometer material preparation system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106877628A (en) * | 2015-12-09 | 2017-06-20 | 无锡小天鹅股份有限公司 | Ultrasonic car washing installation |
| CN108821264A (en) * | 2018-07-10 | 2018-11-16 | 杭州高烯科技有限公司 | A kind of nanoscale sonic generator |
| CN113985795A (en) * | 2021-11-26 | 2022-01-28 | 广东亲太智能厨电有限公司 | Intelligent digital dry-burning-resistant ultrasonic device |
-
2010
- 2010-04-09 CN CN2010101441588A patent/CN102214461A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106877628A (en) * | 2015-12-09 | 2017-06-20 | 无锡小天鹅股份有限公司 | Ultrasonic car washing installation |
| CN108821264A (en) * | 2018-07-10 | 2018-11-16 | 杭州高烯科技有限公司 | A kind of nanoscale sonic generator |
| CN113985795A (en) * | 2021-11-26 | 2022-01-28 | 广东亲太智能厨电有限公司 | Intelligent digital dry-burning-resistant ultrasonic device |
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| DD01 | Delivery of document by public notice |
Addressee: Zhao Dongfang Document name: Notification of before Expiration of Request of Examination as to Substance |
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| DD01 | Delivery of document by public notice |
Addressee: Zhao Dongfang Document name: Notification that Application Deemed to be Withdrawn |
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Application publication date: 20111012 |