CN104117478A - System and method for transmitting ultrasonic waves at variable frequency - Google Patents
System and method for transmitting ultrasonic waves at variable frequency Download PDFInfo
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- CN104117478A CN104117478A CN201410388796.2A CN201410388796A CN104117478A CN 104117478 A CN104117478 A CN 104117478A CN 201410388796 A CN201410388796 A CN 201410388796A CN 104117478 A CN104117478 A CN 104117478A
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Abstract
The invention provides a system and method for transmitting ultrasonic waves at a variable frequency, and belongs to the field of ultrasonic wave application. The system comprises a controller, an ultrasonic wave generator and ultrasonic wave transducers. The method includes the steps that frequency intervals are divided according to resonant frequency points of the ultrasonic wave transducers; in the controller, the one-to-one corresponding relation between each ultrasonic wave transducer and the interval which the resonant frequency of the ultrasonic wave transducer belongs to is set up; when the system works, the controller judges the frequency intervals which the frequencies of the ultrasonic waves needing to be transmitted belong to and controls the ultrasonic wave generator to drive the ultrasonic wave transducers corresponding to the frequency intervals to work, so that different ultrasonic wave generation rules are realized, and the ultrasonic wave transducers at different frequencies can transmit the ultrasonic waves in an individual or combined mode according to the different rules or randomly transmit the ultrasonic waves. The ultrasonic waves generated through the method are at the different frequencies and in the various rules and can be applied to ultrasonic wave cleaning, ultrasonic wave bird repellent and other occasions needing to transmit the ultrasonic waves at the variable frequency.
Description
Technical field
The present invention relates to a kind of System and method for of realizing ultrasonic wave frequency conversion transmitting, relate to specifically a kind of hyperacoustic emission system and method that produces the multiple rule of multi-frequency.Belong to ultrasonic wave transmitting field.
Technical background
Along with ultrasonic technology being widely used in people's daily life and in producing, the requirement that ultrasonic wave is produced is more and more higher, many occasions need to be used variable-frequency ultrasonic transmitting, but because the resonant frequency of ultrasonic transducer is fixed, be difficult to realize and in a cover system, realize the transmitting of high-power frequency conversion ultrasonic wave.
Ultrasonic wave at a lot of occasion single-frequencies can not be satisfied the demand, for example, in Ultrasonic Cleaning, adopt traditional single-frequency ultrasonic wave can cause the inhomogeneous cleaning performance of cleaning poor; In supersonic wave bird driving, the ultrasonic wave of single-frequency can make birds produce very soon adaptive capacity, thereby loses effect on driving birds.If adopt variable-frequency ultrasonic can make the problems referred to above be well solved.
Chinese patent " the variable-frequency ultrasonic system driving based on digit pulse " (application number: 201310254782.7) propose the transducing module that ultrasonic transducer is many groups ultrasonic wave transducer unit composition, but do not provide the control method of multi-frequency and mixing transmitting.
Summary of the invention
The object of the invention is to overcome above-mentioned the deficiencies in the prior art, a kind of variable-frequency ultrasonic emission system and method that realizes the multiple rule of multi-frequency is provided, meeting variously in daily production has required occasion to variable-frequency ultrasonic, generation ultrasonic frequency is variable, pests occurrence rule is controlled, can meet the application needs of different occasions, easy to use.
The technical solution adopted in the present invention is as follows:
A kind of System and method for of realizing ultrasonic wave frequency conversion reflection of the present invention, comprises controller, supersonic generator, ultrasonic transducer; In system, the quantity of ultrasonic transducer is N(N>1) individual, the resonant frequency of each transducer is all not identical, is followed successively by from low to high f
1, f
2..., f
n; At f
1, f
2..., f
nin the frequency separation at individual resonant frequency place, choose N+1 separation frequency values, be designated as S
0, S
1..., S
n, utilize described separation frequency that ultrasonic frequency scope is divided into N frequency separation, and meet f
1∈ [S
0, S
1], f
2∈ [S
1, S
2] ..., f
n∈ [S
n-1, S
n]; In controller, one-to-one relationship is set up in interval under each ultrasonic transducer and its resonant frequency, in the time of system works, need the ultrasonic frequency of transmitting to be subordinated to which frequency separation by controller judgement, and control supersonic generator and drive the ultrasonic transducer work that this frequency separation is corresponding.
Described a kind of System and method for of realizing ultrasonic wave frequency conversion transmitting, this system can be by a supersonic generator driving N ultrasonic transducer, and synchronization only has a ultrasonic transducer job, produces a kind of ultrasonic wave of frequency; Or each ultrasonic transducer is driven by supersonic generator independently, adopt and can realize in this way the multiple ultrasonic transducers of synchronization and can work simultaneously, the frequency mixing ultrasonic ripple that transmitting is made up of multi-frequency, makes to send ultrasonic frequency more complicated and changeable.
Described a kind of System and method for of realizing ultrasonic wave frequency conversion transmitting, need the ultrasonic frequency of transmitting can adopt setting rule or random fashion to generate, by the ultrasonic wave transmitting rule of required specific rule, in advance by program writing controller, controller is according to presetting the each continuous working period of the each ultrasonic transducer of rule control.
Described a kind of System and method for of realizing ultrasonic wave frequency conversion transmitting, each ultrasonic transducer can adopt amplitude modulation mode in the time driving, change amplitude size by constant of driving signal frequency and adjust sent out hyperacoustic sound intensity, and can with the work that cooperatively interacts of other ultrasonic transducers, produce the ultrasonic wave that multi-frequency, the sound intensity combine.
Brief description of the drawings
Fig. 1 is a kind of system construction drawing of the System and method for of realizing ultrasonic wave frequency conversion transmitting.
Fig. 2 is a kind of frequency separation division figure of the System and method for of realizing ultrasonic wave frequency conversion transmitting.
Fig. 3 is a kind of driving carrier wave schematic diagram of the System and method for of realizing ultrasonic wave frequency conversion transmitting.
In figure: 1-controller, 2-supersonic generator, 3-ultrasonic transducer.
Detailed description of the invention
Below in conjunction with accompanying drawing, the invention will be further described:
As shown in Figure 1, a kind of System and method for of realizing ultrasonic wave frequency conversion transmitting of the present invention, formed by controller (1), supersonic generator (2), ultrasonic transducer (3), the ultrasonic wave that controller (1) is controlled supersonic generator (2) generation different frequency drives signal, drives ultrasonic transducer (3) work; The quantity of ultrasonic transducer (3) is N(N>1) individual, the resonant frequency of each ultrasonic transducer (3) is all not identical, and every kind of ultrasonic transducer (3) can only send the ultrasonic wave of its particular resonant frequency.
System has two kinds of implementations, one is by a supersonic generator (2) driving N ultrasonic transducer (3), according to the difference that drives ultrasonic transducer (3) resonant frequency, supersonic generator (2) can produce the driving signal of different resonant frequencies, this kind of mode synchronization only has a ultrasonic transducer job, can only produce a kind of ultrasonic wave of frequency; To be each ultrasonic transducer (3) driven by supersonic generator (2) independently another kind, and the multiple ultrasonic transducers of synchronization can be worked simultaneously, this method transmitting frequency mixing ultrasonic ripple.These two kinds of mode supersonic generators (2) produce the ultrasonic signal of which kind of frequency and drive the ultrasonic transducer (3) of which kind of resonant frequency all to be controlled by controller (1).
As shown in Figure 2, in system, the resonant frequency of N ultrasonic transducer (3) is respectively f from low to high
1, f
2..., f
n, on the continuous frequency separation forming in resonant frequency, get N+1 separation frequency values, be designated as S
0, S
1..., S
n, utilize described separation frequency that ultrasonic frequency scope is divided into N frequency separation, and meet f
1∈ [S
0, S
1], f
2∈ [S
1, S
2] ..., f
n∈ [S
n-1, S
n]; In controller (1), one-to-one relationship is set up in affiliated to each ultrasonic transducer (3) and its resonant frequency interval, in the time of system works, need the ultrasonic frequency f of transmitting to be subordinated to which frequency separation by controller (1) judgement, control supersonic generator (2) and drive the ultrasonic transducer that this frequency separation is corresponding (3) work.
The ultrasonic wave rule of system transmitting can adopt good audio file prepared in advance, when work, carries out real time parsing and control by controller (1).Good audio file prepared in advance can be music or the song melody that can hear, is mapped on above-mentioned ultrasonic wave interval according to the rule of setting, and drives the ultrasonic transducer (3) corresponding with this interval to send ultrasonic wave.This audio file can be also that tweedle is mapped to ultrasonic frequency interval by algorithm.
As shown in Figure 3, each ultrasonic transducer can adopt amplitude modulation mode to drive, it is carrier system, the frequency of carrier signal has determined ultrasonic transducer audible frequency, by regulating the amplitude of carrier wave, can change accordingly the output of ultrasonic power (2), thereby change the sounding sound intensity of ultrasonic transducer (2).Also can on its frequency, superpose and form the sound wave of a lower frequency, thereby widen musical note scope.
The foregoing is only better embodiment of the present invention, in order to limit the present invention, within the spirit and principles in the present invention not all, any amendment of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (5)
1. realize the System and method for of ultrasonic wave frequency conversion transmitting for one kind, system comprises controller, supersonic generator, ultrasonic transducer, it is characterized in that, in system, the quantity of ultrasonic transducer is N(N>1) individual, the resonant frequency of each transducer is all not identical, is followed successively by from low to high f
1, f
2..., f
n;
Choose N+1 separation frequency values, be designated as S
0, S
1..., S
n, utilize described separation frequency that ultrasonic frequency scope is divided into N frequency separation, and meet f
1∈ [S
0, S
1], f
2∈ [S
1, S
2] ..., f
n∈ [S
n-1, S
n];
In controller, one-to-one relationship is set up in interval under each ultrasonic transducer and its resonant frequency, in the time of system works, need the ultrasonic frequency of transmitting to be subordinated to which frequency separation by controller judgement, control supersonic generator and drive the ultrasonic transducer work that this frequency separation is corresponding.
2. a kind of System and method for of realizing ultrasonic wave frequency conversion transmitting according to claim 1, is characterized in that, can be by a supersonic generator driving N ultrasonic transducer, and synchronization only has a ultrasonic transducer job; Or each ultrasonic transducer is driven by supersonic generator independently, and the multiple ultrasonic transducers of synchronization can be worked simultaneously, transmitting frequency mixing ultrasonic ripple.
3. a kind of System and method for of realizing ultrasonic wave frequency conversion transmitting according to claim 1, it is characterized in that, need the ultrasonic frequency of transmitting can adopt setting rule or random fashion to generate, the each continuous working period of each ultrasonic transducer is controlled by controller.
4. a kind of System and method for of realizing ultrasonic wave frequency conversion transmitting according to claim 1, is characterized in that, needs the ultrasonic frequency of transmitting can adopt good audio file prepared in advance, when work, carries out real time parsing and control by controller.
5. a kind of System and method for of realizing ultrasonic wave frequency conversion transmitting according to claim 1, is characterized in that, each ultrasonic transducer can adopt amplitude modulation mode in the time driving, and with the work that cooperatively interacts of other ultrasonic transducers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410388796.2A CN104117478B (en) | 2014-08-10 | A kind of System and method for realizing ultrasound wave frequency conversion transmitting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410388796.2A CN104117478B (en) | 2014-08-10 | A kind of System and method for realizing ultrasound wave frequency conversion transmitting |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104117478A true CN104117478A (en) | 2014-10-29 |
| CN104117478B CN104117478B (en) | 2016-11-30 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107202517A (en) * | 2017-06-27 | 2017-09-26 | 西安欣业科技发展有限公司 | Directional ultrasonic disperser |
| CN112816558A (en) * | 2021-01-07 | 2021-05-18 | 中国航空制造技术研究院 | Frequency-conversion ultrasonic detection method and device for silicon carbide fiber reinforced composite material |
| CN114027933A (en) * | 2021-11-15 | 2022-02-11 | 苏州领微医疗科技有限公司 | Ultrasonic soft tissue cutting hemostasis equipment and control method and control system thereof |
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|---|---|---|---|---|
| WO2009085035A1 (en) * | 2007-12-21 | 2009-07-09 | Kulicke And Soffa Industries, Inc. | Method of calibrating a constant voltage supply for an ultrasonic transducer of a wire bonding machine |
| US20130061736A1 (en) * | 2011-09-09 | 2013-03-14 | Tomokuni Wauke | Vibration generator |
| CN103302055A (en) * | 2013-06-25 | 2013-09-18 | 中国石油大学(北京) | Variable-frequency ultrasonic system based on digital pulse driving |
| CN103657997A (en) * | 2012-09-05 | 2014-03-26 | 赵铁军 | Ultrasonic device |
| CN204018180U (en) * | 2014-08-10 | 2014-12-17 | 哈尔滨理工大学 | A kind of system realizing ultrasonic wave frequency conversion and launch |
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009085035A1 (en) * | 2007-12-21 | 2009-07-09 | Kulicke And Soffa Industries, Inc. | Method of calibrating a constant voltage supply for an ultrasonic transducer of a wire bonding machine |
| US20130061736A1 (en) * | 2011-09-09 | 2013-03-14 | Tomokuni Wauke | Vibration generator |
| CN103657997A (en) * | 2012-09-05 | 2014-03-26 | 赵铁军 | Ultrasonic device |
| CN103302055A (en) * | 2013-06-25 | 2013-09-18 | 中国石油大学(北京) | Variable-frequency ultrasonic system based on digital pulse driving |
| CN204018180U (en) * | 2014-08-10 | 2014-12-17 | 哈尔滨理工大学 | A kind of system realizing ultrasonic wave frequency conversion and launch |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107202517A (en) * | 2017-06-27 | 2017-09-26 | 西安欣业科技发展有限公司 | Directional ultrasonic disperser |
| CN107202517B (en) * | 2017-06-27 | 2021-04-02 | 西安欣业科技发展有限公司 | Directional ultrasonic wave dispersing device |
| CN112816558A (en) * | 2021-01-07 | 2021-05-18 | 中国航空制造技术研究院 | Frequency-conversion ultrasonic detection method and device for silicon carbide fiber reinforced composite material |
| CN114027933A (en) * | 2021-11-15 | 2022-02-11 | 苏州领微医疗科技有限公司 | Ultrasonic soft tissue cutting hemostasis equipment and control method and control system thereof |
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Effective date of registration: 20171207 Address after: 163458 Heilongjiang Province, Daqing City Ranghulu District No. 409 South Central Avenue Co-patentee after: Zhou Feng Patentee after: DAQING POWER SUPPLY COMPANY OF STATE GRID HEILONGJIANG ELECTRIC POWER COMPANY LIMITED Co-patentee after: State Grid Corporation of China Address before: 150080 Harbin, Heilongjiang, Nangang District Road, No. 52 Co-patentee before: Zhou Feng Patentee before: Harbin University of Science and Technology |