CN102223103A - Driving circuit for ultrasonic magnetostrictive transducer - Google Patents
Driving circuit for ultrasonic magnetostrictive transducer Download PDFInfo
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- CN102223103A CN102223103A CN2011100022384A CN201110002238A CN102223103A CN 102223103 A CN102223103 A CN 102223103A CN 2011100022384 A CN2011100022384 A CN 2011100022384A CN 201110002238 A CN201110002238 A CN 201110002238A CN 102223103 A CN102223103 A CN 102223103A
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Abstract
The invention provides a driving circuit for an ultrasonic magnetostrictive transducer, comprising a PWM (pulse-width modulation) input circuit, a driving circuit and a transducer. The driving circuit is characterized by comprising an auxiliary power circuit and a driving control circuit. The driving circuit has the advantages of being simple to apply, realizing online working in real time, avoiding delaying production and life, avoiding adoption of chemical agents, having no secondary pollution, and reducing the corrosion on equipment and the economical cost.
Description
(1) technical field
Patent of the present invention relates to the flexible transducer driving circuit of a kind of ultrasonic wave mangneto.
(2) background technology
All having with big water gaging in electric power, chemical industry, oil, metallurgy, weaving lamp industry is the heat exchanger of carrier.All there is the problem of fouling at work in these heat exchangers, and heat transference efficiency is reduced, and also waste energy, but also can influence device security.Method scale removal such as domestic normal employing chemical cleaning, artificial scale removal at present, chemical cleaning not only will drop into a large amount of moneys, but also can pollute environment.Artificial scale removal efficient is low, needs shortcomings such as arrestment work.
(3) patent of invention content
The drive circuit of the flexible transducer of a kind of ultrasonic wave mangneto of patent of the present invention.The structure of the purpose of patent of the present invention realizes: operating circuit comprises PWM input circuit, drive circuit, transducer, drive circuit is characterized in: drive circuit comprises auxiliary power circuit and Drive and Control Circuit, output termination transducer, under the effect of drive circuit, the vibration that transducer produces, can make the metal structure of heat exchanger and water wherein also produce concussion, under the effect of these vibrations, produce many bubbles of vacuum in the water, hardness salt in the water begins crystallization, form a lot of fine particles that suspend, reach purposes such as scale removal, antiscale.Patent of the present invention is used simple, real-time online work, can not delay production, life; Do not use chemical agent, do not have secondary pollution, alleviated corrosion and Financial cost equipment.
(4) description of drawings
Fig. 1 is the functional-block diagram of the enforcement of patent of the present invention.
(5) embodiment
For a more detailed description to patent of the present invention: referring to accompanying drawing, a kind of ultrasonic wave mangneto transducer driving circuit that stretches, all operating circuits comprise PWM input circuit, drive circuit, transducer, drive circuit comprises auxiliary power circuit and Drive and Control Circuit.Drive and Control Circuit comprises capacitor C 10, diode D3, inductance L 1, field effect transistor Q7:
The grid of field effect transistor Q7 connects the pwm signal input, drain electrode is connected with inductance L 1 one ends, diode D3 positive pole, the negative pole of the source electrode of field effect transistor Q7 and capacitor C 10, the public negative pole of the output of high frequency transformer connect, and the negative pole of diode D3 links to each other with the positive pole of capacitor C 10 and is connected with the D1 of auxiliary power circuit, the negative pole of D2;
Accessory power supply comprises resistance R 1-R4, capacitor C 1, C2, C7, C8, and high frequency transformer T1, field effect transistor Q1, Q2, the grid of diode D1, D2: field effect transistor Q1 is connected with the end of R1, and resistance R 3 is with in parallel with source electrode and the drain electrode of Q1 again after C1 is in parallel; Resistance R 4 and electric capacity are with in parallel with source electrode and the drain electrode of Q2 again after C2 is in parallel, the common point ground connection of the drain electrode of Q2 and resistance R 4 and capacitor C 2, the source electrode of field effect transistor Q1 links to each other with the drain electrode of Q2, tie point links to each other with the input of high frequency transformer with the common point that the end of resistance R 3, R4, capacitor C 1, C2 links to each other, another input of high frequency transformer links to each other with the end of capacitor C 7, C8, the other end ground connection of capacitor C 8, another termination power VCC of capacitor C 7, the output of high frequency transformer are connected with the positive pole of diode D1, D2 respectively.
Claims (3)
1. the flexible transducer driving circuit of a ultrasonic wave mangneto, all operating circuits comprise PWM input circuit, drive circuit, transducer, it is characterized in that: drive circuit comprises auxiliary power circuit and Drive and Control Circuit.
2. according to claim 1, described Drive and Control Circuit is characterized in that: Drive and Control Circuit comprises capacitor C 10, diode D3, inductance L 1, field effect transistor Q7:
The grid of field effect transistor Q7 connects the pwm signal input, drain electrode is connected with inductance L 1 one ends, diode D3 positive pole, the negative pole of the source electrode of field effect transistor Q7 and capacitor C 10, the public negative pole of the output of high frequency transformer connect, and the negative pole of diode D3 links to each other with the positive pole of capacitor C 10 and is connected with the D1 of auxiliary power circuit, the negative pole of D2;
3. according to claim 1, described accessory power supply is characterized in that: accessory power supply comprises resistance R 1-R4, capacitor C 1, C2, C7, C8, and high frequency transformer T1, field effect transistor Q1, Q2, diode D1, D2:
The grid of field effect transistor Q1 is connected with the end of R1, and resistance R 3 is with in parallel with source electrode and the drain electrode of Q1 again after C1 is in parallel; Resistance R 4 and electric capacity are with in parallel with source electrode and the drain electrode of Q2 again after C2 is in parallel, the common point ground connection of the drain electrode of Q2 and resistance R 4 and capacitor C 2, the source electrode of field effect transistor Q1 links to each other with the drain electrode of Q2, tie point links to each other with the input of high frequency transformer with the common point that the end of resistance R 3, R4, capacitor C 1, C2 links to each other, another input of high frequency transformer links to each other with the end of capacitor C 7, C8, the other end ground connection of capacitor C 8, another termination power VCC of capacitor C 7, the output of high frequency transformer are connected with the positive pole of diode D1, D2 respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100022384A CN102223103A (en) | 2011-01-07 | 2011-01-07 | Driving circuit for ultrasonic magnetostrictive transducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100022384A CN102223103A (en) | 2011-01-07 | 2011-01-07 | Driving circuit for ultrasonic magnetostrictive transducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102223103A true CN102223103A (en) | 2011-10-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011100022384A Pending CN102223103A (en) | 2011-01-07 | 2011-01-07 | Driving circuit for ultrasonic magnetostrictive transducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102223103A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5543679A (en) * | 1993-08-31 | 1996-08-06 | Nippondenso Co., Ltd. | Piezolectric-element drive apparatus |
| CN2255118Y (en) * | 1995-10-10 | 1997-05-28 | 邹国华 | Power supply of ultrasonic cleaning machine |
| CN2389037Y (en) * | 1999-08-09 | 2000-07-26 | 余小龙 | Automatic ultrasoic wave die polishing machine |
| CN201994872U (en) * | 2011-01-13 | 2011-09-28 | 谭定忠 | Supersonic wave magnetic induced shrinkage or elongation energy transducer drive circuit |
-
2011
- 2011-01-07 CN CN2011100022384A patent/CN102223103A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5543679A (en) * | 1993-08-31 | 1996-08-06 | Nippondenso Co., Ltd. | Piezolectric-element drive apparatus |
| CN2255118Y (en) * | 1995-10-10 | 1997-05-28 | 邹国华 | Power supply of ultrasonic cleaning machine |
| CN2389037Y (en) * | 1999-08-09 | 2000-07-26 | 余小龙 | Automatic ultrasoic wave die polishing machine |
| CN201994872U (en) * | 2011-01-13 | 2011-09-28 | 谭定忠 | Supersonic wave magnetic induced shrinkage or elongation energy transducer drive circuit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20111019 |