CN101170281B - Ultrasonic bar electric controlled system - Google Patents
Ultrasonic bar electric controlled system Download PDFInfo
- Publication number
- CN101170281B CN101170281B CN200610063353A CN200610063353A CN101170281B CN 101170281 B CN101170281 B CN 101170281B CN 200610063353 A CN200610063353 A CN 200610063353A CN 200610063353 A CN200610063353 A CN 200610063353A CN 101170281 B CN101170281 B CN 101170281B
- Authority
- CN
- China
- Prior art keywords
- frequency
- ultrasonic
- controlled system
- signal
- bar electric
- 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.)
- Expired - Fee Related
Links
Images
Abstract
The invention relates to an ultrasonic rod electric control system, which comprises: a high-frequency inverter, a high-frequency transformer and at least one ultrasonic energy converter. The high-frequency inverter, high-frequency transformer and the ultrasonic energy converter are connected with each other in sequence; moreover, the ultrasonic rod electric control system is composed of a micro-processor and a frequency generator; wherein, the micro-processor controls the frequency generator to create control signals, so as to control the working status of the ultrasonic energy converter. Themicro-processor controls the frequency generator to produce control signals, in order to control the working status of the ultrasonic energy converter; the output power of the ultrasonic energy converter can be fulfilled through adjusting duty cycles of the PMW signals; the micro-processor can regulate the frequency generator through the current detection signals, so that the output current of theultrasonic energy converter can be in the maximum value; thus, the invention can realize that the ultrasonic energy converter can always output rather high working power.
Description
[technical field]
The present invention relates to a kind of ultrasonic bar electric controlled system, particularly relate to a kind of ultrasonic bar electric controlled system that big power output can be provided.
[background technology]
Ultrasonic rod is mainly used in aspects such as cleaning, phonochemistry, sewage disposal, crude Treatment, medium-height grass extraction, food and bioengineering, existing cleaning equipment makes and adopts a plurality of ultrasonic transducers of small-power to form, because the special structural characteristics of ultrasonic rod adopts prior art ultrasonic cleaning device control model that ultrasonic rod is effectively worked.The electric control technology of ultrasonic rod must adopt electric control technological synthesis utilizations such as frequency-tracking, power compensate automatically, frequency sweep, so that equipment can operate as normal when parameters such as temperature, load change.Cleaning equipment generally adopts the method for floating voltage current phase to carry out frequency-tracking at present, the perhaps independent method of frequency sweep, but frequency-tracking and frequency sweep can not be used simultaneously, adopt traditional ultrasonic cleaning device control model to control ultrasonic rod, ultrasonic excellent power output is little, efficient is low, cleaning performance is poor.
[summary of the invention]
The present invention the invention provides a kind of ultrasonic bar electric controlled system that big power output can be provided in order to overcome above-mentioned the deficiencies in the prior art.
The technical solution adopted for the present invention to solve the technical problems is: a kind of ultrasonic bar electric controlled system is provided, it comprises: a high-frequency inverter, one high frequency transformer, at least one ultrasonic transducer, this high-frequency inverter, high frequency transformer and ultrasonic transducer connect successively, it is characterized in that: this ultrasonic bar electric controlled system further comprises a microprocessor and a frequency generator, this microprocessor is controlled this frequency generator and is produced the operating state that control signal is controlled this ultrasonic transducer, the frequency adjustment of this frequency generator produces pwm signal by microprocessor, pass through low-pass filtering again, voltage follow obtains d. c. voltage signal, come the frequency of control frequency generator, power adjustments produces pwm signal by this microprocessor, pass through low-pass filtering again, voltage follow obtains d. c. voltage signal, comes the duty ratio of control frequency generator output pwm signal.
The scheme that the present invention solves further technical problem is: what this frequency generator produced is the PMW control signal, and this PMW control signal is added on this ultrasonic transducer by a PMW driver.
The scheme that the present invention solves further technical problem is: the power output of this ultrasonic transducer recently realizes by the duty of adjusting this PMW signal.
The scheme that the present invention solves further technical problem is: this microprocessor is regulated this frequency generator by current detection signal, makes the output current of this ultrasonic transducer be in maximum.
The scheme that the present invention solves further technical problem is: this microprocessor is with certain frequency output swept-frequency signal, this swept-frequency signal is by low frequency pulse signal of this microprocessor output, through dividing potential drop, integrating circuit obtains a voltage that slowly rises, and is added to frequency generator.
The scheme that the present invention solves further technical problem is: this ultrasonic bar electric controlled system further comprises a scr voltage regula-tor unit, the power output of this ultrasonic transducer realizes by the mode of adjusting silicon-controlled voltage regulation, this microprocessor detects the voltage zero-crossing signal of this ultrasonic transducer, by light activated power thyristor MOC30xx isolated controlling The Trigger of Bidirectional Triode Thyristor angle, realize the pressure regulation adjusting power.
The scheme that the present invention solves further technical problem is: this ultrasonic bar electric controlled system further comprises a line filter, a rectifying device and a filter, is added to this high-frequency inverter behind this line filter, rectifying device and the filter voltage signal rectifying and wave-filtering with electrical network.
The scheme that the present invention solves further technical problem is: power output, operating frequency, the indication of time-controlled information, show by light beam bar and charactron, or by liquid crystal display.
Compared to prior art, the invention has the beneficial effects as follows: this microprocessor is controlled this frequency generator and is produced the operating state that the PMW control signal is controlled this ultrasonic transducer, the power output of this ultrasonic transducer recently realizes by the duty of adjusting this PMW signal, this microprocessor is regulated this frequency generator by current detection signal, make the output current of this ultrasonic transducer be in maximum, thereby realize that this ultrasonic transducer exports bigger operating power all the time.
[description of drawings]
Fig. 1 is the circuit system theory diagram of ultrasonic bar electric controlled system of the present invention.
Fig. 2 is the circuit diagram of ultrasonic bar electric controlled system of the present invention.
[embodiment]
Below in conjunction with drawings and Examples ultrasonic bar electric controlled system of the present invention is described further.
See also Fig. 1 and Fig. 2, this ultrasonic bar electric controlled system 1 comprises a line filter 11, a scr voltage regula-tor unit (indicating), a rectifying device 12, a filter 13, a high-frequency inverter 14, a high frequency transformer 15, at least one ultrasonic transducer 16, a microprocessor 20, frequency power adjusting frequency sweep circuit 23, a frequency generator 21, a current sensing means 17 and a PMW driver 22.This line filter 11, rectifying device 12, filter 13, high-frequency inverter 14, high frequency transformer 15 and ultrasonic transducer 16 connect successively.This microprocessor 20 produces control signal and regulates the operating state that frequency sweep circuit 23, frequency generator 21 and this PMW driver 22 are controlled this ultrasonic transducer 16 by this frequency power.This ultrasonic bar electric controlled system 1 further comprises a temperature-detecting device and a button display unit, and this temperature-detecting device links to each other with this high-frequency inverter 14 and microprocessor 20, this button display unit and this microprocessor 20.
From the voltage of the 220V of electrical network through this line filter 11, rectifying device 12, the filtering of filter 13, full-bridge rectification, obtain the direct voltage about 300V after the filtering, this direct voltage is added on the high-frequency inverter 14 of semibridge system, power switch pipe leads to and ends at the square-wave pulse triggering lower whorl conductance of a pair of mutual deviation 180 degree, dc voltage conversion is become the high frequency square wave voltage of alternation, be added to this ultrasonic transducer 16 and mate on the inductor, resonant circuit through output after these high frequency transformer 15 conversion, according to the resonance frequency and the impedance of this ultrasonic transducer 16, select the size of coupling inductance.
This microprocessor 20 control frequency generators 21 produce one with come the power controlling switching tube according to the consistent pwm signal of the resonance frequency of ultrasonic transducer by driving, this PMW driver 22 is added to this pwm signal on this ultrasonic transducer 16 by this high-frequency inverter 14 and high frequency transformer 15, reaches this ultrasonic transducer 16 of drive controlling.
This microprocessor 20 with certain frequency output swept-frequency signal, is added on the frequency generator 21 simultaneously, makes frequency generator 21 produce swept-frequency signal.Microprocessor 20 by output current signal being detected, finely tuning the frequency of frequency generator 21 according to the current signal of current sensing means 17, makes output current always be in maximum simultaneously, and just ultrasonic transducer 16 always is in resonance condition.The adjustment of ultrasonic power output recently realizes by the duty that changes pwm signal.By button the size of power output can be set, the timing shutdown time is provided with, the setting of vibration reference frequency.Power shows intuitively that by the light beam bar frequency, timing show by charactron.
Frequency adjustment produces pwm signal by microprocessor, obtains d. c. voltage signal by the low-pass filtering voltage follow again, comes control frequency generator 21.
Power adjustments produces pwm signal by this microprocessor 20, obtains d. c. voltage signal by the low-pass filtering voltage follow again, comes the duty ratio of control frequency generator 21 output pwm signals.
Swept-frequency signal is by low frequency pulse signal of these microprocessor 20 outputs, and through dividing potential drop, integrating circuit obtains a voltage that slowly rises, and is added to frequency generator 21.
Current detection signal is to change by current/voltage by the electric current that current transformer detects, and obtains by these microprocessor 20 samplings again.
This microprocessor is controlled this frequency generator and is produced the operating state that the PMW control signal is controlled this ultrasonic transducer, the power output of this ultrasonic transducer recently realizes by the duty of adjusting this PMW signal, this microprocessor is regulated this frequency generator by current detection signal, make the output current of this ultrasonic transducer be in maximum, thereby realize that this ultrasonic transducer exports bigger operating power all the time.
This ultrasonic transducer power output is regulated and also can be realized by silicon-controlled voltage regulation, and the silicon-controlled voltage regulation principle is that microprocessor detects voltage zero-crossing signal, by light activated power thyristor MOC30xx isolated controlling The Trigger of Bidirectional Triode Thyristor angle, realizes the pressure regulation adjusting power.
The indication of information such as the power output of this ultrasonic bar electric controlled system 1, operating frequency, timing controlled shows that by light beam bar and charactron this part also can substitute by liquid crystal display.
It is to stick a thermistor on power tube that driving power pipe excess temperature detects protection, and the temperature of the real-time detection power pipe of microprocessor is monitored.
It is to realize by a high-speed power driver IC 4 that the PWM of power controlling pipe drives, and isolates by pulse transformer, and power tube can be 1～4 parallel connection.
Claims (7)
1. ultrasonic bar electric controlled system, it comprises: a high-frequency inverter, one high frequency transformer, at least one ultrasonic transducer, this high-frequency inverter, high frequency transformer and ultrasonic transducer connect successively, it is characterized in that: this ultrasonic bar electric controlled system further comprises a microprocessor and a frequency generator, this microprocessor is controlled this frequency generator and is produced the operating state that control signal is controlled this ultrasonic transducer, the frequency adjustment of this frequency generator produces pwm signal by microprocessor, pass through low-pass filtering again, voltage follow obtains d. c. voltage signal, come the frequency of control frequency generator, power adjustments produces pwm signal by this microprocessor, pass through low-pass filtering again, voltage follow obtains d. c. voltage signal, comes the duty ratio of control frequency generator output pwm signal.
2. ultrasonic bar electric controlled system according to claim 1 is characterized in that: what this frequency generator produced is the PMW control signal, and this PMW control signal is added on this ultrasonic transducer by a PMW driver.
3. ultrasonic bar electric controlled system according to claim 2 is characterized in that: the power output of this ultrasonic transducer recently realizes by the duty of adjusting this PMW signal.
4. ultrasonic bar electric controlled system according to claim 3 is characterized in that: this microprocessor is regulated this frequency generator by current detection signal, makes the output current of this ultrasonic transducer be in maximum.
5. ultrasonic bar electric controlled system according to claim 3, it is characterized in that: this ultrasonic bar electric controlled system further comprises a scr voltage regula-tor unit, the power output of this ultrasonic transducer realizes by the mode of adjusting silicon-controlled voltage regulation, this microprocessor detects the voltage zero-crossing signal of this ultrasonic transducer, by light activated power thyristor MOC30xx isolated controlling The Trigger of Bidirectional Triode Thyristor angle, realize the pressure regulation adjusting power.
6. ultrasonic bar electric controlled system according to claim 1, it is characterized in that: this ultrasonic bar electric controlled system further comprises a line filter, a rectifying device and a filter, is added to this high-frequency inverter behind this line filter, rectifying device and the filter voltage signal rectifying and wave-filtering with electrical network.
7. ultrasonic bar electric controlled system according to claim 1 is characterized in that: power output, operating frequency, the indication of time-controlled information, show by light beam bar and charactron, or by liquid crystal display.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200610063353A CN101170281B (en) | 2006-10-27 | 2006-10-27 | Ultrasonic bar electric controlled system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200610063353A CN101170281B (en) | 2006-10-27 | 2006-10-27 | Ultrasonic bar electric controlled system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101170281A CN101170281A (en) | 2008-04-30 |
| CN101170281B true CN101170281B (en) | 2010-05-26 |
Family
ID=39390776
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200610063353A Expired - Fee Related CN101170281B (en) | 2006-10-27 | 2006-10-27 | Ultrasonic bar electric controlled system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101170281B (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101658838B (en) * | 2009-09-17 | 2011-07-06 | 东莞市长江超声波机有限公司 | Supersonic generator |
| JP5538831B2 (en) * | 2009-11-17 | 2014-07-02 | キヤノン株式会社 | Control device and control method of electromechanical transducer, and measurement system |
| CN101969302A (en) * | 2010-09-01 | 2011-02-09 | 中国石油大学(华东) | Novel switch resonant power ultrasonic generating circuit |
| CN102420590A (en) * | 2011-11-23 | 2012-04-18 | 深圳职业技术学院 | Digital frequency generating device for power ultrasonic power supply and frequency generating method |
| CN107860464B (en) * | 2017-12-09 | 2020-02-18 | 玉环震浪超声股份有限公司 | Ultrasonic generator working frequency point searching method |
| CN110801160B (en) * | 2018-08-06 | 2021-06-18 | 佛山市顺德区美的电热电器制造有限公司 | Control method and system of cooking device and cooking device |
| CN109938803B (en) * | 2019-02-28 | 2021-02-23 | 重庆西山科技股份有限公司 | Ultrasonic surgical equipment based on active power tuning and method for determining resonant frequency |
| CN112618972B (en) * | 2020-12-28 | 2022-06-03 | 中聚科技股份有限公司 | Ultrasonic transducer driving method, storage medium, system and device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1071764A (en) * | 1991-10-18 | 1993-05-05 | 杨政 | Single-chip computer controlled ultrasonic processing circuit |
| US5496411A (en) * | 1991-06-14 | 1996-03-05 | Halcro Nominees Pty. Ltd. | Ultrasonic vibration generator and use of same for cleaning objects in a volume of liquid |
| CN2286538Y (en) * | 1996-03-07 | 1998-07-22 | 北京市三士电力电子应用技术研究所 | Sweep frequency type power supply used for ultrasonic wave cleaning machine |
-
2006
- 2006-10-27 CN CN200610063353A patent/CN101170281B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5496411A (en) * | 1991-06-14 | 1996-03-05 | Halcro Nominees Pty. Ltd. | Ultrasonic vibration generator and use of same for cleaning objects in a volume of liquid |
| CN1071764A (en) * | 1991-10-18 | 1993-05-05 | 杨政 | Single-chip computer controlled ultrasonic processing circuit |
| CN2286538Y (en) * | 1996-03-07 | 1998-07-22 | 北京市三士电力电子应用技术研究所 | Sweep frequency type power supply used for ultrasonic wave cleaning machine |
Non-Patent Citations (2)
| Title |
|---|
| 马刚，邓志良，谢成祥，姜文刚.用于焊后处理的超声波功率电源的研究与实现.华东船舶工业学院学报（自然科学版）18 5.2004,18(5),82-85. |
| 马刚,邓志良,谢成祥,姜文刚.用于焊后处理的超声波功率电源的研究与实现.华东船舶工业学院学报(自然科学版)18 5.2004,18(5),82-85. * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101170281A (en) | 2008-04-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101170281B (en) | Ultrasonic bar electric controlled system | |
| CN101309529B (en) | Intelligent control apparatus and method for high-power energy saving electromagnetic stove | |
| CN204795667U (en) | Electromagnetic heating system and electromagnetic heating system's drive arrangement | |
| WO2017101322A1 (en) | Radio frequency generator, and method for using radio frequency generator to generate radio frequency energy | |
| CN107623452B (en) | A kind of ultrasonic power and control method | |
| CN101159998A (en) | Synchronous control method and circuit of electromagnetic stove | |
| CN100561628C (en) | Low voltage electrical appliance intelligent control method based on current-varying mode | |
| CN201238406Y (en) | Intelligent control apparatus of high-power energy-saving electromagnetic range | |
| CN202998534U (en) | Electromagnetic field generator circuit structure | |
| CN203313438U (en) | An induction cooker and a control circuit thereof | |
| WO2020237863A1 (en) | Operation control method and apparatus, and circuit, household appliance and computer storage medium | |
| CN111600488A (en) | Method for improving efficiency of power electronic transformer by using zero-crossing detection technology | |
| CN102554441B (en) | Constant-current control device for welding power source of medium-frequency inverter resistance electric welding machine and control method for welding power source | |
| CN208094825U (en) | heating circuit and induction cooker | |
| CN203299657U (en) | Liquid level control system for water purification device | |
| CN101969302A (en) | Novel switch resonant power ultrasonic generating circuit | |
| CN108513381A (en) | Electromagnetic heating device and power control method | |
| CN201528313U (en) | Speed regulating circuit with variable frequency and variable pulse width of AC series motor as well as soy-bean milk machine | |
| CN107172733A (en) | A kind of electromagnetic heating system and its method of work | |
| CN201282420Y (en) | HF switch power supply device | |
| CN107508484A (en) | A kind of grid-connected micro- inverter of stage photovoltaic single and its control method with high-frequency rectification control | |
| CN105471279A (en) | Ultraviolet lamp drive power supply | |
| CN103108423A (en) | Single tube electromagnetic field generator | |
| CN111596130A (en) | Method for improving efficiency of energy router by utilizing resonant frequency detection technology | |
| CN103336538B (en) | Liquid level control system of water purification device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100526 Termination date: 20111027 |