CN103558047B - Multi-frequency ultrasonic cleaning effect experimental platform - Google Patents
Multi-frequency ultrasonic cleaning effect experimental platform Download PDFInfo
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- CN103558047B CN103558047B CN201310556615.8A CN201310556615A CN103558047B CN 103558047 B CN103558047 B CN 103558047B CN 201310556615 A CN201310556615 A CN 201310556615A CN 103558047 B CN103558047 B CN 103558047B
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Abstract
The invention discloses a kind of multi-frequency ultrasonic cleaning effect experimental platform, it includes kernel control module, the first relay module, the second relay module, the 3rd relay module, input isolation module, power amplifier module, the first matching transformer, the second matching transformer, five ultrasonic signal generation modules, five coupling inductance and five transducer arrays；Wherein, kernel control module, its signal output part respectively with ultrasonic signal generation module, the first relay module, the second relay module, the 3rd relay module control signal input be connected, for according to input operating frequency select signal produce corresponding switch-over control signal be delivered separately to the first relay module, the second relay module and the 3rd relay module.The present invention can adopt many class frequencys to carry out underwater structure and clean soils research, highlights effectiveness and the comparative of cleaning performance, finds out the optimum frequency being best suitable for this underwater structure Fouling Cleaning in real time.
Description
Technical field
The present invention relates to a kind of multi-frequency ultrasonic cleaning effect experimental platform, belong to ultrasonic cleaning technology field.
Background technology
At present, dam gate or dam body etc. are everywhere by the place of the long-term submergence of water, and its surface will deposit certain dirt and affect its normal function even damage equipment.The experience of the washing and cleaning operation at present ultrasonic technique being applied to underwater structure is deficienter, although it has been proposed that the ultrasonic cleaning method of main equipment under water, but is mostly under certain specific environment, adopts single ultrasonic cleaning frequency.And the physical characteristic of dirt, thickness, flintiness etc. are closely bound up with the doping property in the situation of water quality and water, adopt the ultrasonic transducer of single-frequency that underwater structure is carried out, it is difficult to reach engineering demand.On the one hand, owing to signal frequency selects improper, its cleaning performance will be had a greatly reduced quality, it is necessary to extends the working time of ultrasonic transducer, thus energy consumption will be increased, is unfavorable for energy-saving and emission-reduction.On the other hand, if adopt the ultrasonic transducer of single-frequency to remove the surface smut cleaning some wound frangible, easy, it will make surface damage or the damage cleaned.So, according to situations such as different scavenger surface situations, the physical characteristic of dirt, thickness and flintinesses; the signal frequency that appropriate surfaces is cleaned is selected to be carried out, it will to improving underwater structure cleaning performance, to protect dam body; extend the use time of ultrasonic transducer, reduce CO2Discharge produces positive effect.
Therefore, develop a kind of have self-adaptive features, can be applied to clean different surfaces significant with maintenance to the maintenance of water conservancy projects with the underwater structure surface cleaning apparatus removing different dirts.
Summary of the invention
The technical problem to be solved is the defect overcoming prior art, a kind of multi-frequency ultrasonic cleaning effect experimental platform is provided, it can adopt many class frequencys to carry out underwater structure and clean soils research, highlight effectiveness and the comparative of cleaning performance, find out the optimum frequency being best suitable for this underwater structure Fouling Cleaning in real time.
In order to solve above-mentioned technical problem, the technical scheme is that a kind of multi-frequency ultrasonic cleaning effect experimental platform, it includes kernel control module, the first relay module, the second relay module, the 3rd relay module, input isolation module, power amplifier module, the first matching transformer, the second matching transformer, five ultrasonic signal generation modules, five coupling inductance and five transducer arrays；Wherein,
Kernel control module, its signal output part respectively with ultrasonic signal generation module, the first relay module, the second relay module, the 3rd relay module control signal input be connected, for according to input operating frequency select signal produce corresponding switch-over control signal be delivered separately to the first relay module, the second relay module and the 3rd relay module；
Five ultrasonic signal generation modules, its outfan is connected with input isolation module selectivity respectively through the first relay module, for exporting the ultrasound drive signals of different frequency respectively；
First relay module, is used for receiving corresponding switch-over control signal and selecting to connect corresponding ultrasonic signal generation module and input isolation module；
Input isolation module, its outfan is connected with power amplifier module, is used for driving power amplifier module normal operation；
Power amplifier module, its outfan is connected with the first matching transformer and the second matching transformer selectivity respectively by the second relay module；
Second relay module, is used for receiving corresponding switch-over control signal and selecting to connect power amplifier module and corresponding first matching transformer or the second matching transformer；
Five coupling inductance, its respectively with five ultrasonic signal generation module one_to_one corresponding, and wherein the input of three coupling inductance is connected with the first matching transformer selectivity respectively through the 3rd relay module, the input of two other coupling inductance is connected with the second matching transformer selectivity respectively through the 3rd relay module, the outfan of five coupling inductance is connected with corresponding transducer array respectively, for corresponding transducer array is tuned coupling；
First matching transformer and the second matching transformer, for changing the impedance of corresponding transducer array so that it is match with source impedance, it is ensured that corresponding transducer array obtains maximum electrical power；
3rd relay module, is used for receiving corresponding switch-over control signal and selecting to connect corresponding coupling inductance and the first matching transformer；It is additionally operable to receive corresponding switch-over control signal and select to connect corresponding coupling inductance and the second matching transformer.
Further, described five ultrasonic signal generation modules respectively the first ultrasonic signal generation module, second ultrasonic signal generation module, 3rd ultrasonic signal generation module, 4th ultrasonic signal generation module and the 5th ultrasonic signal generation module, the first described ultrasonic signal generation module output frequency is the ultrasound drive signals of 20KHz, second ultrasonic signal generation module output frequency is the ultrasound drive signals of 40KHz, 3rd ultrasonic signal generation module output frequency is the ultrasound drive signals of 80KHz, 4th ultrasonic signal generation module output frequency is the ultrasound drive signals of 160KHz, 5th ultrasonic signal generation module output frequency is the ultrasound drive signals of 200KHz.
Further, described five coupling inductance respectively the first coupling inductance, second coupling inductance, 3rd coupling inductance, 4th coupling inductance and the 5th coupling inductance, first coupling inductance and the first ultrasonic signal generation module are corresponding, and its resonant frequency is 20KHz, second coupling inductance and the second ultrasonic signal generation module are corresponding, and its resonant frequency is 40KHz, 3rd coupling inductance and the 3rd ultrasonic signal generation module are corresponding, and its resonant frequency is 80KHz, 4th coupling inductance and the 4th ultrasonic signal generation module are corresponding, and its resonant frequency is 160KHz, 5th coupling inductance and the 5th ultrasonic signal generation module are corresponding, and its resonant frequency is 200KHz.
Further, described input isolation module is formed by connecting by drive circuit and isolating transformer.
Further, power amplifier module adopts semi-bridge type ultrasonic power amplifying circuit.
Further, device battle array can be made up of multiple transducers, and each transducer is formed in parallel by multi-disc piezoelectric ceramic piece.
After have employed technique scheme, (can be 20kHz owing to adopting adaptive technique that different underwater structure and different conditions can be utilized five kinds of frequencies under different frequency range, 40kHz, 80kHz, 160kHz and 200kHz) transducer array carry out underwater structure clean soils research, highlight effectiveness and the comparative of cleaning performance, and the multi-frequency ultrasonic cleaning effect experimental platform of the present invention has simple in construction, cost is low, energy-conservation, easy to operate and cleaning performance substantially and is prone to the features such as contrast, in ultrasonic cleaning technique research significant.
Accompanying drawing explanation
Fig. 1 is the theory diagram of the multi-frequency ultrasonic cleaning effect experimental platform of the present invention.
Detailed description of the invention
Being clearly understood to make present disclosure be easier to, below according to specific embodiment and in conjunction with accompanying drawing, the present invention is further detailed explanation.
As shown in Figure 1, a kind of multi-frequency ultrasonic cleaning effect experimental platform, it includes kernel control module, first relay module the 1, second relay module the 2, the 3rd relay module 3, input isolation module, power amplifier module, the first matching transformer, the second matching transformer, five ultrasonic signal generation modules, five coupling inductance and five transducer arrays 4；Wherein,
Kernel control module, its signal output part is connected with the control signal input of ultrasonic signal generation module, first relay module the 1, second relay module the 2, the 3rd relay module 3 respectively, selects signal to produce corresponding switch-over control signal for the operating frequency according to input and is delivered separately to the first relay module the 1, second relay module 2 and the 3rd relay module 3；
Five ultrasonic signal generation modules, its outfan is connected with input isolation module selectivity respectively through the first relay module 1, for exporting the ultrasound drive signals of different frequency respectively；
First relay module 1, for receiving corresponding switch-over control signal and selecting to connect corresponding ultrasonic signal generation module and input isolation module, thus selecting the frequency of ultrasound drive signals, the public port of the first relay module 1 connects input isolation module, five select port to connect five ultrasonic signal generation modules respectively, and it is by kernel control module control.
Input isolation module, its outfan is connected with power amplifier module, for ultrasound drive signals carrying out prime amplification and by ultrasonic signal generation module and power amplifier module isolation, thus driving power amplifier module normal operation；
Power amplifier module, its outfan is connected with the first matching transformer and the second matching transformer selectivity respectively by the second relay module 2, for ultrasound drive signals is carried out power amplification；
Second relay module 2, is used for receiving corresponding switch-over control signal and selecting to connect power amplifier module and corresponding first matching transformer or the second matching transformer；The public port of the second relay module 2 connects power amplifier module, and two select port to connect the first matching transformer and the second matching transformer respectively, and it is by kernel control module control.
Five coupling inductance, its respectively with five ultrasonic signal generation module one_to_one corresponding, and wherein the input of three coupling inductance is connected with the first matching transformer selectivity respectively through the 3rd relay module 3, the input of two other coupling inductance is connected with the second matching transformer selectivity respectively through the 3rd relay module 3, the outfan of five coupling inductance is connected with corresponding transducer array 4 respectively, for corresponding transducer array 4 is tuned coupling, corresponding transducer array 4 circuit is made to tend to purely resistive；
First matching transformer and the second matching transformer, for changing the impedance of corresponding transducer array 4 so that it is match with source impedance, it is ensured that corresponding transducer array 4 obtains maximum electrical power；
3rd relay module 3, is used for receiving corresponding switch-over control signal and selecting to connect corresponding coupling inductance and the first matching transformer；It is additionally operable to receive corresponding switch-over control signal and select to connect corresponding coupling inductance and the second matching transformer.
Kernel control module, with MSP430F149 single-chip microcomputer for core, controls the break-make mode of three relay module according to the information of key-press input, thus realizing the function selecting the ultrasonic signal of required frequency to drive ultrasonic transducer work.
Five ultrasonic signal generation module respectively the first ultrasonic signal generation modules, second ultrasonic signal generation module, 3rd ultrasonic signal generation module, 4th ultrasonic signal generation module and the 5th ultrasonic signal generation module, the first described ultrasonic signal generation module output frequency is the ultrasound drive signals of 20KHz, second ultrasonic signal generation module output frequency is the ultrasound drive signals of 40KHz, 3rd ultrasonic signal generation module output frequency is the ultrasound drive signals of 80KHz, 4th ultrasonic signal generation module output frequency is the ultrasound drive signals of 160KHz, 5th ultrasonic signal generation module output frequency is the ultrasound drive signals of 200KHz.
Five coupling inductance respectively the first coupling inductance, second coupling inductance, 3rd coupling inductance, 4th coupling inductance and the 5th coupling inductance, first coupling inductance and the first ultrasonic signal generation module are corresponding, and its resonant frequency is 20KHz, second coupling inductance and the second ultrasonic signal generation module are corresponding, and its resonant frequency is 40KHz, 3rd coupling inductance and the 3rd ultrasonic signal generation module are corresponding, and its resonant frequency is 80KHz, 4th coupling inductance and the 4th ultrasonic signal generation module are corresponding, and its resonant frequency is 160KHz, 5th coupling inductance and the 5th ultrasonic signal generation module are corresponding, and its resonant frequency is 200KHz.Five coupling inductance can adopt PQ-28 type skeleton, E-E type ferrite, silk-covered wire coiling to form.
Five ultrasonic signal generation modules are respectively provided with SG3525 chip, by changing the resistance value of chip the 6th foot, produce the ultrasound drive signals of 20kHz, 40kHz, five kinds of frequencies of 80kHz, 160kHz and 200kHz.
Input isolation module is formed by connecting by drive circuit and isolating transformer, input isolation module is constituted with the drive circuit that TIP122 chip NPN Darlington power transistor and TIP127 chip PNP Darlington power transistor are core, reach to drive the purpose of MOSFET, input isolation module is the isolating transformer of 1:1 containing adopting PQ-26 type skeleton, E-E type magnetic core, 0.27mm diameter enamel-covered wire coiling, former secondary coil turn ratio, avoids the interference of forward and backward level circuit signal.
Power amplifier module adopts semi-bridge type ultrasonic power amplifying circuit, by the ultrasound drive signals power amplification of five kinds of different frequencies to 100W.
Transducer array 4 can be made up of multiple transducers, and each transducer is formed in parallel by multi-disc piezoelectric ceramic piece.The transducer array 4 of the present embodiment is made up of 3 × 3 transducer arrays, mid frequency respectively 20kHz, 40kHz, 80kHz, 160kHz and 200kHz, it is achieved with corresponding transducer array 4 direct capacitance C0Resonance matching.For the supersonic frequency signal of telecommunication is converted into ultrasonic mechanical vibration, and driving waterproof case to vibrate, thus producing ultrasonic cavitation in water, peeling off the dirt on construction, reach the purpose cleaned.
First matching transformer can with PQ-28 type skeleton, E-E type ferrite, silk-covered wire coiling transformator, realize the impedance matching of rear end respective transducer battle array 4 circuit and front-end circuit when frequency is 20kHz, 40kHz and 80kHz.
Second matching transformer can adopt the transformator of PQ-28 type skeleton, E-E type ferrite, silk-covered wire coiling, realizes the impedance matching of rear end respective transducer battle array 4 circuit and front-end circuit when frequency is 160kHz and 200kHz.
3rd relay module 3 is when frequency is 20kHz, 40kHz and 80kHz, its top public port connects the first matching transformer, corresponding three select port to connect the first coupling inductance, the second coupling inductance, the 3rd coupling inductance respectively, it is by kernel control module control, 3rd relay module 3 is when frequency is 160kHz and 200kHz, its underpart public port connects the second matching transformer, corresponding two select port to connect the 4th coupling inductance, the 5th coupling inductance respectively, and it is by kernel control module control.
The operation principle of the present invention is as follows:
When testing the five changeable ultrasonic cleaning experimentatioies of frequency, choice experiment ultrasonic signal frequencies as required.By kernel control module, selected ultrasound drive signals frequency is set, kernel control module controls corresponding ultrasonic signal generation module and the first relay module 1 co-ordination, control the second relay module 2 simultaneously and the 3rd relay module 3 connects corresponding first matching transformer or the second matching transformer, and mate inductance accordingly.Ultrasonic signal generation module produces the unipolar square wave signal that two-way with same frequency and reversed-phase peak value be 5V corresponding with institute selected frequency, the drive circuit in input isolation module is given through the first relay module 1 output, two-way with same frequency and reversed-phase peak value is that the unipolar square wave signal of 5V is amplified is shaped as the bipolar square wave signal that a road peak value is 12V, signal is divided into two-way with same frequency and reversed-phase signal via the isolating transformer that turn ratio is 1:1, drives coupled power amplifier module.The outfan of power amplifier module connects the second relay module 2, selection outfan gating first matching transformer of the second relay module 2 or the second matching transformer, the supply voltage of power amplifier module is 310V, first matching transformer and the second matching transformer are for realizing and the impedance matching of transducer array 4, the outfan of the first matching transformer connects the upper public port of the 3rd relay module 3, and corresponding selection port connects the first coupling inductance, the second coupling inductance and the 3rd coupling inductance；The outfan of the second matching transformer connects the lower public port of the 3rd relay module 3, and corresponding selection port connects the 4th coupling inductance and the 5th coupling inductance.Kernel control module will control the second relay module 2 and the 3rd relay module 3 selects the signal transmission path that sets, the each of 3rd relay module 3 selects port to be connected with each coupling inductance, mated inductance accordingly to be connected with corresponding transducer array 4 by gating, it is achieved resonance matching.The ultrasonic electric signal of input is converted into ultrasonic mechanical vibration by corresponding transducer array 4, so that the water generation ultrasound cavitation effect before and after transducer array 4, the surface treating cleaning materials carries out ultrasonic cleaning.Change selected hyperacoustic frequency, repeat above procedure, Fouling Cleaning effect is carried out specific aim and probes into.
Particular embodiments described above; to present invention solves the technical problem that, technical scheme and beneficial effect further described; it is it should be understood that; the foregoing is only specific embodiments of the invention; it is not limited to the present invention; all within the spirit and principles in the present invention, any amendment of making, equivalent replacement, improvement etc., should be included within protection scope of the present invention.
Claims (4)
1. a multi-frequency ultrasonic cleaning effect experimental platform, it is characterised in that: it includes kernel control module, the first relay module (1), the second relay module (2), the 3rd relay module (3), input isolation module, power amplifier module, the first matching transformer, the second matching transformer, five ultrasonic signal generation modules, five coupling inductance and five transducer arrays (4)；Wherein,
Kernel control module, its signal output part respectively with ultrasonic signal generation module, the first relay module (1), the second relay module (2), the 3rd relay module (3) control signal input be connected, for according to input operating frequency select signal produce corresponding switch-over control signal be delivered separately to the first relay module (1), the second relay module (2) and the 3rd relay module (3)；
Five ultrasonic signal generation modules, its outfan is connected with input isolation module selectivity respectively through the first relay module (1), for exporting the ultrasound drive signals of different frequency respectively；
First relay module (1), is used for receiving corresponding switch-over control signal and selecting to connect corresponding ultrasonic signal generation module and input isolation module；
Input isolation module, its outfan is connected with power amplifier module, is used for driving power amplifier module normal operation；
Power amplifier module, its outfan is connected with the first matching transformer and the second matching transformer selectivity respectively by the second relay module (2)；
Second relay module (2), is used for receiving corresponding switch-over control signal and selecting to connect power amplifier module and corresponding first matching transformer or the second matching transformer；
Five coupling inductance, its respectively with five ultrasonic signal generation module one_to_one corresponding, and wherein the input of three coupling inductance is connected with the first matching transformer selectivity respectively through the 3rd relay module (3), the input of two other coupling inductance is connected with the second matching transformer selectivity respectively through the 3rd relay module (3), the outfan of five coupling inductance is connected with corresponding transducer array (4) respectively, for corresponding transducer array (4) is tuned coupling；
First matching transformer and the second matching transformer, for changing the impedance of corresponding transducer array (4) so that it is match with source impedance, it is ensured that corresponding transducer array (4) obtains maximum electrical power；
3rd relay module (3), is used for receiving corresponding switch-over control signal and selecting to connect corresponding coupling inductance and the first matching transformer；It is additionally operable to receive corresponding switch-over control signal and select to connect corresponding coupling inductance and the second matching transformer；
Described five ultrasonic signal generation modules respectively the first ultrasonic signal generation module, second ultrasonic signal generation module, 3rd ultrasonic signal generation module, 4th ultrasonic signal generation module and the 5th ultrasonic signal generation module, the first described ultrasonic signal generation module output frequency is the ultrasound drive signals of 20KHz, second ultrasonic signal generation module output frequency is the ultrasound drive signals of 40KHz, 3rd ultrasonic signal generation module output frequency is the ultrasound drive signals of 80KHz, 4th ultrasonic signal generation module output frequency is the ultrasound drive signals of 160KHz, 5th ultrasonic signal generation module output frequency is the ultrasound drive signals of 200KHz；
Described five coupling inductance respectively the first coupling inductance, second coupling inductance, 3rd coupling inductance, 4th coupling inductance and the 5th coupling inductance, first coupling inductance and the first ultrasonic signal generation module are corresponding, and its resonant frequency is 20KHz, second coupling inductance and the second ultrasonic signal generation module are corresponding, and its resonant frequency is 40KHz, 3rd coupling inductance and the 3rd ultrasonic signal generation module are corresponding, and its resonant frequency is 80KHz, 4th coupling inductance and the 4th ultrasonic signal generation module are corresponding, and its resonant frequency is 160KHz, 5th coupling inductance and the 5th ultrasonic signal generation module are corresponding, and its resonant frequency is 200KHz.
2. multi-frequency ultrasonic cleaning effect experimental platform according to claim 1, it is characterised in that: described input isolation module is formed by connecting by drive circuit and isolating transformer.
3. multi-frequency ultrasonic cleaning effect experimental platform according to claim 1 and 2, it is characterised in that: described power amplifier module adopts semi-bridge type ultrasonic power amplifying circuit.
4. multi-frequency ultrasonic cleaning effect experimental platform according to claim 1, it is characterised in that: transducer array (4) is made up of multiple transducers, and each transducer is formed in parallel by multi-disc piezoelectric ceramic piece.
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| CN103876655A (en) * | 2014-03-27 | 2014-06-25 | 河海大学常州校区 | Kitchen cleaning and disinfecting machine with sound-light and ozone combined and working method thereof |
| CN106353118B (en) * | 2016-08-29 | 2019-11-22 | 南京巨鲨显示科技有限公司 | A kind of supersonic wave cleaning machine cleaning effect monitoring device |
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| KR100972085B1 (en) * | 2009-12-15 | 2010-07-22 | 김윤수 | Method for suppling maximum efficiency power of ultrasonic cleaner |
| CN103341466A (en) * | 2013-07-29 | 2013-10-09 | 河海大学常州校区 | Multi-frequency switchable underwater construction cleaning and maintenance device |
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| US6538360B2 (en) * | 1996-08-05 | 2003-03-25 | William L. Puskas | Multiple frequency cleaning system |
| CN2726745Y (en) * | 2004-06-28 | 2005-09-21 | 上海科导超声仪器有限公司 | Multi-frequency ultrasonic cleaning device |
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| CN103341466A (en) * | 2013-07-29 | 2013-10-09 | 河海大学常州校区 | Multi-frequency switchable underwater construction cleaning and maintenance device |
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