CN102723928A - Frequency band searching and matching method of ultrasonic-wave biological treatment - Google Patents
Frequency band searching and matching method of ultrasonic-wave biological treatment Download PDFInfo
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Abstract
A frequency band searching and matching method of an ultrasonic-wave biological treatment is synchronized with frequency band switching of output electric energy of a driving power supply. In a pulse interval of a processing mode, a controller selects to switch a corresponding relay and a corresponding output terminal of the driving power supply is connected to a vibration plate which is connected with a corresponding tap of an inductance coil so as to realize selection switching of a corresponding inductance-vibration plate matching network. The method is characterized in that: during a stride frequency band searching and operation process of the ultrasonic-wave biological treatment, when the high-efficient processing frequency band is not detected, a concentration device switched to a frequency band switching operation working flow; an intermittent point is set in the operation process after the frequency band switching operation working flow is switched into and a step of switching to a next frequency band resonance matching network is executed; after the switching is completed, the next pulse starts and frequency band searching processing operation continues.
Description
Technical field
The present invention relates to a kind of frequency band search transducing matching process of ultrasonic wave biological treatment operation.
Background technology
Ultrasonic wave is to the processing speed and the ultrasonic frequency height correlation of object, and ultrasonic frequency is different, and treatment effeciency differs widely; And, the biological cell kind of process object more with the ultrasonic frequency height correlation, different biological cells differs widely to the hyperacoustic sensitiveness of different frequency.The blindness that this has just caused the first ultrasonic frequency of existing ultrasonic wave bioremediation to confirm, and then, to extra ultrasonic frequency analysis, the definite dependence that forms of carrying out.Practical work process is: utilize the disposition of certain biological cell under different frequency, carry out the contrast of branch frequency band, analyze and confirm, obtain relevant data; In the work afterwards, continue to use the data of this special object, confirm to experience the ultrasonic frequency that is fit to.This has been usual practice.In essence, such method can not guarantee that the ultrasonic frequency of being worked is exactly to object optimum frequency efficiently, can not carry out accurate fine frequency adjustment to different objects, and the experience of accumulation is not an optimised process just also; In addition, the not only a large amount of in the early stage labor intensive of this method, financial resources, material resources, and in the phase of continuing to use also requirement observation frequently, adjustment and maintenance.Given this; Be necessary to research and develop a kind of new efficient strategy; Ultrasonic wave biological treatment work is no longer continued to use earlier through dividing the frequency band contrast, analyzing and confirm ultrasonic frequency; Confirm to experience the poor efficiency way of required frequency again, but the process that will confirm required frequency is efficient to greatest extent, automation is carried out.The efficient scheme that solves such problem is the integral structure of ultrasonic wave biological treatment frequency search control; And the difficult problem of integral structure is a broadband transducing matching technique; Promptly along with search rate changes; Between the broadband vibration plate and driving power of some different center frequency, how to realize the frequency band search transducing coupling of resonant network.
Summary of the invention
For making the surveying of ultrasonic wave biological treatment process, controlled; Realize the broadband transducing resonance coupling in biology-machine-electrical integrated treatment system; The present invention proposes a kind of broadband matching process of ultrasonic wave biological treatment; It is synchronous with the frequency band switching of driving power output electric energy, in the pulse interval of tupe, selects to switch corresponding relay through controller; The driving power corresponding output end is switched to the vibration plate that is connected with the inductance coil respective taps, realizes that the selection of corresponding inductance-vibration plate matching network is switched.That is, in carrying out the big step frequency band search running of ultrasonic wave biological treatment, when concentration device does not detect efficient processing frequency band as yet, change frequency band switchover operation workflow over to; Running after changing frequency band switchover operation workflow over to is set intermittently time point, carries out switching to next frequency band resonance matching network; After switching completion, next pulse begins, and continues the operation of frequency band searching disposal.
The technical solution adopted for the present invention to solve the technical problems is: earlier according to each vibration plate centre frequency, calculate the required inductance value of each matching network, confirm corresponding inductance coil of design and tap thereof; Adopt many taps inductance coil,, realize the matching structure of each frequency output terminal of driving power and corresponding centre frequency vibration plate through being connected of the different taps of inductance coil, vibration plate terminals and relay normally open contact.Synchronous with the switching of driving power different frequency bands output electric energy; In the selected pulse interval of tupe, select to switch through controller, make the normal opened contact of corresponding relay closed; Vibration plate that will be connected with the inductance coil respective taps and driving power corresponding output end are connected; And the normal opened contact of other relay breaks off, and realizes that the selection of corresponding inductance-vibration plate matching network is switched, and constitutes the selected frequency band resonance matching network of driving power-resonant inductance-vibration plate.
The process of its switching controls is: each parameter initialization of control system that comprises ultrasonic Treatment pulse interval ratio, pulse duration, frequency search speed and search start, end frequency etc. be provided with down, following (or go up frequency band on) of following frequency band limit dot frequency to begin to carry out the frequency search processing and moved; If in running, obtain the frequency band locking signal, then jump out switching flow, otherwise continue operation; When the searching disposal frequency arrived upward (or down) limit value of the frequency band that moves, whether the judgment processing pulse interval arrived; If intermittently time point arrives; Do not obtain jumping out signal again; Then send switching signal by controller; System carries out and to switch to (or down) frequency band resonance matching network, and control handles back one and accomplish before pulse arrives and switch, and switches the back and has limit dot frequency to begin to continue searching disposal with following (or on) of a new frequency band to move; If intermittently time point does not arrive; Do not obtain jumping out signal again; What then be locked in the frequency band that moves goes up (or down) limit frequency, continues to handle operation, and one handles when pulse interval arrives and switch to (or down) frequency band in the back; Handle to accomplish before pulse arrives in back one again and switch, limit dot frequency to begin to continue searching disposal with following (or on) of a new frequency band and moved.If intermittently time point arrives and obtains jumping out signal, then controller does not send switching signal, continues the processing operation that pulse is handled in back one.So continue, go up (or following frequency band is following) of running to frequency band up to searching disposal limit the terminal point frequency.
The process of its operation control is: in each parameter initialization and the setting of control system, promptly the ultrasonic Treatment pulse interval is than given, and pulse duration is given; Frequency search speed is given; The search starting point frequency is given, and the terminal point frequency is fixed, and carries out the big step frequency band search operation of ultrasonic wave biological treatment; When obtaining the frequency band locking signal; Be that treatment trough jar ultraviolet ray concentration detection apparatus detects efficient processing frequency band; And when feeding back to signal processing, feedback control circuit with the concentration feedback signal, control unit sends the frequency band locking signal, and system carries out the operation of small step frequency search; Otherwise, change frequency band switchover operation workflow over to.In service at the small step frequency search; When obtaining the frequency lock signal, promptly dense checkout gear detects efficient processing frequency, and when feeding back to signal processing, feedback control circuit with the concentration feedback signal; Control unit sends jumps out the switching flow signal; Make and handle frequency band bound frequency and converge to detected efficient frequency point, and control, lock onto this efficient frequency, system moves in efficient frequency point locking processing; If do not obtain the frequency lock signal, then judge whether to arrive (descending) limit on the frequency band of place? If then proceed the frequency lock operation of ultrasonic Treatment; Otherwise, proceed the place frequency band small step frequency search operation of ultrasonic wave biological treatment.
The invention has the beneficial effects as follows: adopt many taps inductance, improved the effectiveness/volume ratio of inductance coil; Utilize the processing pulse interval control frequency band of pattern to switch, realized no-voltage, the zero current of diverter switch process, do not have impact, the loss-free effect of relay tip thereby produce system works.Integrative ultrasonic ripple biological treatment system structure and operation are simplified greatly, made the surveying of ultrasonic wave biological treatment process, controlled, realize biology-machine-electrical integrated helping to realize the intellectuality of ultrasonic wave biological treatment; But the frequency of continuous monitoring, adjusting transducer-vibration plate structure is to provide best ultrasonic output; It utilizes process monitoring, the parameter diagram function of display not only can handle operational factor to all to carry out dedicated programmed, can also use the variation of avatars supersonic frequency, power, processing speed and processing procedure physical and chemical parameter; Through the man-machine conversation mode of its operation control terminal, can adjust handling procedure.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the present invention is further specified.
Fig. 1 is system's operation workflow diagram of the embodiment of the invention.
Fig. 2 is the frequency band switchover operation workflow diagram of present embodiment.
Fig. 3 is the system control function structured flowchart of present embodiment.
Fig. 4 is the switching performance element circuit structure diagram of present embodiment
Fig. 5 is the controlled multipath conversion element circuit structure chart of present embodiment.
In Fig. 3～5: 1. working power circuit group, 2. copped wave power regulation circuit, 3. sine wave signal generation unit; 4.PWM driver element, 5.PWM circuit, 6. power match output unit; 7. frequency band commutation circuit, 8. frequency band coupling, transducing network, 9. ultrasonic wave biological treatment terminal; 10. signal processing, feedback control circuit, 11. man-machine interaction terminals; Dr is the PWM drive signal, T
0Be coupling inductance top, T
O1Be power match output first via binding post, T
O2For power match is exported the second road binding post ..., T
O10For power match is exported the ten road binding post; T
Z1Be first via vibration plate first binding post, T
Z2Be the second road vibration plate, first binding post ..., T
Z10It is the ten road vibration plate first binding post; P
CBe power control signal, M
CBe control signal at intermittence, F
CBe frequency control signal, F
TBe frequency band switching controls data, wherein F
1Be first band switching signal, F
2Be second band switching signal ..., F
10It is the tenth band switching signal; V is a voltage feedback signal, and i is a current feedback signal, and De is the concentration feedback signal, and K is the system start-up signal, and M is the given parameter of pattern, and F is the given parameter of frequency, and P is the power given parameter, F
SBe frequency state data, P
SBe the power rating data, Ef is the efficient state data.
In Fig. 4,5: T
F1Be the first band switching signal terminals, T
F2Be the second band switching signal terminals, T
F3Be the 3rd band switching signal terminals, T
F3Be the 4th band switching signal terminals, T
F5Be the 5th band switching signal terminals, T
F6Be the 6th band switching signal terminals, T
F7Be the 7th band switching signal terminals, T
F8Be the 8th band switching signal terminals, T
F9Be the 9th band switching signal terminals, T
F10Be the tenth band switching signal terminals; E is a DC15V working power positive terminal; R
1Be first via switching signal coupling resistance, T
1Be first via switching transistor, J
1For the first via is switched execution electromagnetic coil relay, J
1-1 is first via switching execution relay normally open contact, Z
1Be first via vibration plate, T
L1Be coupling inductance first via binding post; R
2Be the second tunnel switching signal coupling resistance, T
2Be the second way switch transistor, J
2Be that electromagnetic coil relay, J are carried out in the second tunnel switching
2-1 is that relay normally open contact, Z are carried out in the second tunnel switching
2Be the second road vibration plate, T
L2Be coupling inductance the second road binding post; ...; R
10Be the ten tunnel switching signal coupling resistance, T
10Be the tenth way switch transistor, J
10Be that electromagnetic coil relay, J are carried out in the ten tunnel switching
10-1 is that relay normally open contact, Z are carried out in the ten tunnel switching
10Be the ten road vibration plate, T
L10Be coupling inductance the ten road binding post.
In Fig. 5: U is a multiplexer, E
0Be DC5V working power positive terminal; C
0Be terminals of frequency band switching controls sign indicating number, C
1Be two terminals of frequency band switching controls sign indicating number, C
2Be four terminals of frequency band switching controls sign indicating number, C
3Be eight terminals of frequency band switching controls sign indicating number;
Be time point arriving signal terminals at intermittence.
Embodiment
In system's operation workflow diagram shown in Figure 1:
St1. start, control system and each parameter initialization and setting: the ultrasonic Treatment pulse interval is than given, and pulse duration is given, and frequency search speed is given, and the search starting point frequency is given, and the terminal point frequency is given; Beginning;
St2. carry out the big step frequency band search operation of ultrasonic wave biological treatment;
St3. ought obtain the frequency band locking signal, promptly concentration device detects efficient processing frequency band, and when feeding back to signal processing, feedback control circuit with the concentration feedback signal, carries out the operation of small step frequency search; Otherwise, change frequency band switchover operation workflow over to;
St4. in service in the preceding step, when obtaining the frequency lock signal, promptly concentration device detects efficient processing frequency, and when feeding back to signal processing, feedback control circuit with the concentration feedback signal, carries out the frequency lock operation of ultrasonic Treatment; Otherwise, judge whether to arrive (descending) limit on the frequency band of place? If then proceed the frequency lock operation of ultrasonic Treatment; Otherwise, change St2.;
St5. in service in preceding step locking, when obtaining stopping processing signals, stop; Otherwise, proceed the frequency lock operation of ultrasonic Treatment.
In frequency band switchover operation workflow diagram shown in Figure 2:
St1. start, control system and each parameter initialization and setting: the ultrasonic Treatment pulse interval is than given, and pulse duration is given, and frequency search speed is given, and the search starting point frequency is given, and the terminal point frequency is given; Beginning;
St2. carry out the big step frequency band search operation of ultrasonic wave biological treatment;
St3. ought obtain the frequency band locking signal, promptly concentration device detects efficient processing frequency band, and when feeding back to signal processing, feedback control circuit with the concentration feedback signal, jumps out this flow process, promptly carries out the small step frequency search operation of system's operation workflow; Otherwise, judge whether to arrive (descending) limit on the frequency band of place?
If St4. the frequency search operation of ultrasonic wave biological treatment arrives (descending) limit on the frequency band of place, then judge whether to arrive the initial time point of pulse interval of set operational mode?
Arrive intermittently time point if St5. go up the step running, judge whether to obtain jumping out the signal of this flow process?
If St6. obtain jumping out the signal of this flow process, forward St2. to; Otherwise, send switching signal, carry out switching to next frequency band resonance matching network then;
St7. do you judge to switch and accomplish?
Accomplish if St8. switch, then intermittently the period finishes, and next pulse begins, and continues the operation of frequency band searching disposal, promptly forwards St2. to; Otherwise, prolong the intermittently period, promptly next pulse delay begins, and forwards St7. to.
In system control function structured flowchart shown in Figure 3:
Whole system is made up of carry out a biological disposal upon terminal 9, signal processing, feedback control circuit 10, man-machine interaction terminal 11 and man-machine interaction terminal 11 of working power circuit group 1, copped wave power regulation circuit 2, sine wave signal generation unit 3, PWM driver element 4, pwm circuit 5, power match output unit 6, frequency band commutation circuit 7, frequency band coupling, transducing network 8, ultrasonic wave.
The ac input end mouth of working power circuit group 1 is connected to～220V civil power cut-in operation network; The DC250V output port of working power circuit group 1 and the corresponding connection of the power input mouth of copped wave power regulation circuit 2; The DC15V output port while of working power circuit group 1 and corresponding connection of DC15V working power port at sine wave signal generation unit 3, PWM driver element 4, frequency band commutation circuit and man-machine interaction terminal 11; The DC5V output port of working power circuit group 1 simultaneously and corresponding connection of DC5V working power port at ultrasonic wave biological treatment terminal 9, signal processing, feedback control circuit 10 and man-machine interaction terminal 11.
The corresponding connection of working power port of the output port of power source of copped wave power regulation circuit 2 and pwm circuit 5; The corresponding connection of signal input port of the signal output port of sine wave signal generation unit 3 and PWM driver element 4; The corresponding connection of signal input end mouth of the signal output port of PWM driver element 4 and pwm circuit 5, Dr sends into pwm circuit 5 with the PWM drive signal; The power take-off mouth of pwm circuit 5 and the corresponding connection of the power input port of power match output unit 6.
The power take-off mouth of power match output unit 6 is connected to the voltage feedback signal input port corresponding end of signal processing, feedback control circuit 10 through the voltage detecting network, and voltage feedback signal v is sent into signal processing, feedback control circuit 10; The power take-off mouth top of power match output unit 6 is connected to the coupling inductance top T of frequency band coupling, transducing network 8
0The first order output of power match output unit 6 power take-off mouths, second level output ..., the tenth grade of output be respectively through power match output first via binding post T
O1, power match exports the second road binding post T
O2..., power match exports the ten road binding post T
O10Be connected to the inlet wire corresponding wiring terminal of frequency band commutation circuit 7; The outlet corresponding wiring terminal of frequency band commutation circuit 7 is connected respectively to the first via vibration plate first binding post T of frequency band coupling, transducing network 8
Z1, the second road vibration plate, the first binding post T
Z2..., the ten road vibration plate first binding post T
Z10The coupling inductance top T of frequency band coupling, transducing network 8
0Lead-in wire is connected to the current feedback signal input port corresponding end of signal processing, feedback control circuit 10 through the current signal detection means, and electric current phasor feedback signal i is sent into signal processing, feedback control circuit 10.
The inner-immersed type vibration plate structure and the treatment fluid concentration detection apparatus of frequency band coupling, transducing network 8 are assemblied in the ultrasonic wave biological treating tank, constitute ultrasonic wave biological treatment terminal 9.Ultrasonic wave biological treatment terminal 9 is connected to signal processing, feedback control circuit 10 through the treatment fluid concentration detection apparatus, and concentration feedback signal De is sent into signal processing, feedback control circuit 10.
Signal processing, feedback control circuit 10 are connected to frequency band commutation circuit 7 through the corresponding frequency band terminals of switch data interface, with frequency band switching controls data F
T, i.e. wherein the first band switching signal F
1, the second band switching signal F
2..., the tenth band switching signal F
10Send into frequency band commutation circuit 7 simultaneously; The frequency control signal outlet terminal of signal processing, feedback control circuit 10 is connected to the frequency control signal input terminal of sine wave signal generation unit 3, with frequency control signal F
CSend into sine wave signal generation unit 3; The power control signal outlet terminal of signal processing, feedback control circuit 10 and intermittently the control signal outlet terminal be connected respectively to the power control signal input terminal of copped wave power regulation circuit 2 and control signal input terminal intermittently, with power control signal F
CWith control signal M at intermittence
CFor sending into copped wave power regulation circuit 2.Signal processing, feedback control circuit 10 are connected with man-machine interaction terminal 11 composition datas through the corresponding data interface, with frequency state data F
S, power rating data F
CEf sends into man-machine interaction terminal 11 with the efficient state data.
Man-machine interaction terminal 11 is connected with signal processing, feedback control circuit 10 composition datas through the corresponding data interface, and the settings of power given parameter P, the given parameter M of pattern and the given parameter F of frequency is sent into signal processing, feedback control circuit 10; Man-machine interaction terminal 11 constitutes signal through the corresponding signal interface with signal processing, feedback control circuit 10 and is connected, and system start-up signal K is sent into signal processing, feedback control circuit 10.
In switching performance element circuit structure diagram shown in Figure 4:
First via switching signal coupling resistance R
1An end be connected to the first band switching signal terminals T
F1, the other end and first via switching transistor T
1Base stage connect; First via switching transistor T
1Collector electrode be connected to DC15V working power positive terminal E, first via switching transistor T
1Emitter be connected to the first via and switch carry out electromagnetic coil relay J
1An end; The first via is switched execution electromagnetic coil relay J
1Other end ground connection; The first via is switched execution relay normally open contact J
1-1 end of incoming cables is connected to power match output first via binding post T
O1, the first via is switched execution relay normally open contact J
1-1 leading-out terminal is connected to first via vibration plate Z
1The first via vibration plate first binding post T
Z1First via vibration plate Z
1First via vibration plate second binding post be connected to coupling inductance first via binding post T
L1
The second tunnel switching signal coupling resistance R
2An end be connected to the second band switching signal terminals T
F2, the other end and the second way switch transistor T
2Base stage connect; The second way switch transistor T
2Collector electrode be connected to DC15V working power positive terminal E, the second way switch transistor T
2Emitter be connected to the second the tunnel and switch carry out electromagnetic coil relay J
2An end; The second the tunnel switches execution electromagnetic coil relay J
2Other end ground connection; The second the tunnel switches execution relay normally open contact J
2-1 end of incoming cables is connected to power match and exports the second road binding post T
O2, the second tunnel switches execution relay normally open contact J
2-1 leading-out terminal is connected to the second road vibration plate Z
2The second road vibration plate, the first binding post T
Z2The second road vibration plate Z
2The second road vibration plate, second binding post be connected to coupling inductance the second road binding post T
L2
......
The ten tunnel switching signal coupling resistance R
10An end be connected to the tenth band switching signal terminals T
F10, the other end and the tenth way switch transistor T
10Base stage connect; The tenth way switch transistor T
10Collector electrode be connected to DC15V working power positive terminal E, the tenth way switch transistor T
10Emitter be connected to the ten the tunnel and switch carry out electromagnetic coil relay J
10An end; The ten the tunnel switches execution electromagnetic coil relay J
10Other end ground connection; The ten the tunnel switches execution relay normally open contact J
10-1 end of incoming cables is connected to power match and exports the ten road binding post T
O10, the ten the tunnel switches execution relay normally open contact J
10-1 leading-out terminal is connected to the ten road vibration plate Z
10The ten road vibration plate the tenth binding post T
Z10The ten road vibration plate Z
10The ten road vibration plate second binding post be connected to coupling inductance the ten road binding post T
L10
The coupling inductance top T of frequency band coupling, transducing network 8
0Be connected to the power take-off mouth top of power match output unit 6.
In controlled multipath conversion element circuit structure chart shown in Figure 5: controlled multipath conversion unit is for being the circuit structure of core with DG406 type multiplexer U chip; As the frequency band switch data transform part of signal processing, feedback control circuit 10 inside, with the frequency band switching controls sign indicating number (C of feedback control circuit generation
0, C
1, C
2And C
3) convert frequency band switching controls data F into
T(F
1, F
2..., F
10).1 pin of multiplexer U and 28 pin all are connected to DC5V working power positive terminal E
04 pin of multiplexer U, 5 pin, 6 pin, 26 pin, 25 pin, 24 pin, 23 pin, 22 pin, 21 pin and 20 pin are connected respectively to the first band switching signal terminals T
F1, the second band switching signal terminals T
F2, the 3rd band switching signal terminals T
F3, T the 4th band switching signal terminals
F3, the 5th band switching signal terminals T
F5, the 6th band switching signal terminals T
F6, the 7th band switching signal terminals T
F7, the 8th band switching signal terminals T
F8, the 9th band switching signal terminals T
F9With the tenth band switching signal terminals T
F10The 12 pin ground connection of multiplexer U; 14 pin of multiplexer U, 15 pin, 16 pin and 17 pin respectively with terminals C of frequency band switching controls sign indicating number
0, two terminals C of frequency band switching controls sign indicating number
1, four terminals C of frequency band switching controls sign indicating number
2With eight terminals C of frequency band switching controls sign indicating number
3Connect; 18 pin of multiplexer U and time point arriving signal terminals at intermittence
Connect.
Claims (6)
1. the frequency band searching and matching method of ultrasonic wave biological treatment is characterized in that:
According to each vibration plate centre frequency, calculate the required inductance value of each matching network, confirm corresponding inductance coil of design and tap thereof; Adopt many taps inductance coil,, realize the matching structure of each frequency output terminal of driving power and corresponding centre frequency vibration plate through being connected of the different taps of inductance coil, vibration plate terminals and relay normally open contact.Synchronous with the switching of driving power different frequency bands output electric energy; In the selected pulse interval of tupe, select to switch through controller, make the normal opened contact of corresponding solid-state relay closed; Vibration plate that will be connected with the inductance coil respective taps and driving power corresponding output end are connected; And the normal opened contact of other solid-state relay breaks off, and realizes that the selection of corresponding inductance-vibration plate matching network is switched, and constitutes the selected frequency band resonance matching network of driving power-resonant inductance-vibration plate.
The process of its switching controls is: each parameter initialization of control system that comprises ultrasonic Treatment pulse interval ratio, pulse duration, frequency search speed and search start, end frequency etc. be provided with down, following (or go up frequency band on) of following frequency band limit dot frequency to begin to carry out the frequency search processing and moved; If in running, obtain the frequency band locking signal, then jump out switching flow, otherwise continue operation; When the searching disposal frequency arrived upward (or down) limit value of the frequency band that moves, whether the judgment processing pulse interval arrived; If intermittently time point arrives; Do not obtain jumping out signal again; Then send switching signal by controller; System carries out and to switch to (or down) frequency band resonance matching network, and control handles back one and accomplish before pulse arrives and switch, and switches the back and has limit dot frequency to begin to continue searching disposal with following (or on) of a new frequency band to move; If intermittently time point does not arrive; Do not obtain jumping out signal again; What then be locked in the frequency band that moves goes up (or down) limit frequency, continues to handle operation, and one handles when pulse interval arrives and switch to (or down) frequency band in the back; Handle to accomplish before pulse arrives in back one again and switch, limit dot frequency to begin to continue searching disposal with following (or on) of a new frequency band and moved.If intermittently time point arrives and obtains jumping out signal, then controller does not send switching signal, continues the processing operation that pulse is handled in back one.So continue, go up (or following frequency band is following) of running to frequency band up to searching disposal limit the terminal point frequency.
The process of its operation control is: in each parameter initialization and the setting of control system, promptly the ultrasonic Treatment pulse interval is than given, and pulse duration is given; Frequency search speed is given; The search starting point frequency is given, and the terminal point frequency is fixed, and carries out the big step frequency band search operation of ultrasonic wave biological treatment; When obtaining the frequency band locking signal; Be that treatment trough jar ultraviolet ray concentration detection apparatus detects efficient processing frequency band; And when feeding back to signal processing, feedback control circuit with the concentration feedback signal, control unit sends the frequency band locking signal, and system carries out the operation of small step frequency search; Otherwise, change frequency band switchover operation workflow over to.In service at the small step frequency search; When obtaining the frequency lock signal, promptly dense checkout gear detects efficient processing frequency, and when feeding back to signal processing, feedback control circuit with the concentration feedback signal; Control unit sends jumps out the switching flow signal; Make and handle frequency band bound frequency and converge to detected efficient frequency point, and control, lock onto this efficient frequency, system moves in efficient frequency point locking processing; If do not obtain the frequency lock signal, then judge whether to arrive (descending) limit on the frequency band of place? If then proceed the frequency lock operation of ultrasonic Treatment; Otherwise, proceed the place frequency band small step frequency search operation of ultrasonic wave biological treatment.
2. the frequency band searching and matching method of ultrasonic wave biological treatment according to claim 1 is characterized in that:
System's operation workflow is:
St1 starts, and control system and each parameter initialization and setting: the ultrasonic Treatment pulse interval is than given, and pulse duration is given, and frequency search speed is given, and the search starting point frequency is given, and the terminal point frequency is given; Beginning;
St2. carry out the big step frequency band search operation of ultrasonic wave biological treatment;
St3. ought obtain the frequency band locking signal, promptly concentration device detects efficient processing frequency band, and when feeding back to signal processing, feedback control circuit with the concentration feedback signal, carries out the operation of small step frequency search; Otherwise, change frequency band switchover operation workflow over to;
St4. in service in the preceding step, when obtaining the frequency lock signal, promptly concentration device detects efficient processing frequency, and when feeding back to signal processing, feedback control circuit with the concentration feedback signal, carries out the frequency lock operation of ultrasonic Treatment; Otherwise, judge whether to arrive (descending) limit on the frequency band of place? If then proceed the frequency lock operation of ultrasonic Treatment; Otherwise, change St2.;
St5. in service in preceding step locking, when obtaining stopping processing signals, stop; Otherwise, proceed the frequency lock operation of ultrasonic Treatment.
3. the frequency band searching and matching method of ultrasonic wave biological treatment according to claim 1 is characterized in that:
Frequency band switchover operation workflow is:
St1 starts, and control system and each parameter initialization and setting: the ultrasonic Treatment pulse interval is than given, and pulse duration is given, and frequency search speed is given, and the search starting point frequency is given, and the terminal point frequency is given; Beginning;
St2. carry out the big step frequency band search operation of ultrasonic wave biological treatment;
St3. ought obtain the frequency band locking signal, promptly concentration device detects efficient processing frequency band, and when feeding back to signal processing, feedback control circuit with the concentration feedback signal, jumps out this flow process, promptly carries out the small step frequency search operation of system's operation workflow; Otherwise, judge whether to arrive (descending) limit on the frequency band of place?
If St4. the frequency search operation of ultrasonic wave biological treatment arrives (descending) limit on the frequency band of place, then judge whether to arrive the initial time point of pulse interval of set operational mode?
Arrive intermittently time point if St5. go up the step running, judge whether to obtain jumping out the signal of this flow process?
If St6. obtain jumping out the signal of this flow process, forward St2. to; Otherwise, send switching signal, carry out switching to next frequency band resonance matching network then;
St7. do you judge to switch and accomplish?
Accomplish if St8. switch, then intermittently the period finishes, and next pulse begins, and continues the operation of frequency band searching disposal, promptly forwards St2. to; Otherwise, prolong the intermittently period, promptly next pulse delay begins, and forwards St7. to.
4. the frequency band searching and matching method of ultrasonic wave biological treatment according to claim 1 is characterized in that:
Whole ultrasonic ripple biological treatment system is made up of carry out a biological disposal upon terminal, signal processing, feedback control circuit, man-machine interaction terminal and man-machine interaction terminal of working power circuit group, copped wave power regulation circuit, sine wave signal generation unit, PWM driver element, pwm circuit, power match output unit, frequency band commutation circuit, frequency band coupling, transducing network, ultrasonic wave.
The corresponding connection of working power port of the output port of power source of copped wave power regulation circuit and pwm circuit; The corresponding connection of signal input port of the signal output port of sine wave signal generation unit and PWM driver element; The corresponding connection of signal input end mouth of the signal output port of PWM driver element and pwm circuit, Dr sends into pwm circuit with the PWM drive signal; The power take-off mouth of pwm circuit and the corresponding connection of the power input port of power match output unit.
The power take-off mouth of power match output unit is connected to the voltage feedback signal input port corresponding end of signal processing, feedback control circuit through the voltage detecting network, and voltage feedback signal v is sent into signal processing, feedback control circuit; The power take-off mouth top of power match output unit is connected to the coupling inductance top T of frequency band coupling, transducing network
0The first order output of power match output unit power take-off mouth, second level output ..., the tenth grade of output be respectively through power match output first via binding post T
O1, power match exports the second road binding post T
O2..., power match exports the ten road binding post T
O10Be connected to the inlet wire corresponding wiring terminal of frequency band commutation circuit; The outlet corresponding wiring terminal of frequency band commutation circuit is connected respectively to the first via vibration plate first binding post T of frequency band coupling, transducing network
Z1, the second road vibration plate, the first binding post T
Z2..., the ten road vibration plate first binding post T
Z10The coupling inductance top T of frequency band coupling, transducing network
0Lead-in wire is connected to the current feedback signal input port corresponding end of signal processing, feedback control circuit through the current signal detection means, and i sends into signal processing, feedback control circuit with the electric current phasor feedback signal.
The inner-immersed type vibration plate structure and the treatment fluid concentration detection apparatus of frequency band coupling, transducing network are assemblied in the ultrasonic wave biological treating tank, constitute ultrasonic wave biological treatment terminal.Ultrasonic wave biological treatment terminal is connected to signal processing, feedback control circuit through the treatment fluid concentration detection apparatus, and De sends into signal processing, feedback control circuit with the concentration feedback signal.
Signal processing, feedback control circuit are connected to the frequency band commutation circuit through the corresponding frequency band terminals of switch data interface, with frequency band switching controls data F
T, i.e. wherein the first band switching signal F
1, the second band switching signal F
2..., the tenth band switching signal F
10Send into the frequency band commutation circuit simultaneously; The frequency control signal outlet terminal of signal processing, feedback control circuit is connected to the frequency control signal input terminal of sine wave signal generation unit, with frequency control signal F
CSend into the sine wave signal generation unit; The power control signal outlet terminal of signal processing, feedback control circuit and intermittently the control signal outlet terminal be connected respectively to the power control signal input terminal of copped wave power regulation circuit and control signal input terminal intermittently, with power control signal F
CWith control signal M at intermittence
CFor sending into the copped wave power regulation circuit.Signal processing, feedback control circuit are connected with man-machine interaction terminal composition data through the corresponding data interface, with frequency state data F
S, power rating data F
CEf sends into the man-machine interaction terminal with the efficient state data.
The man-machine interaction terminal is connected with signal processing, feedback control circuit composition data through the corresponding data interface, and the settings of power given parameter P, the given parameter M of pattern and the given parameter F of frequency is sent into signal processing, feedback control circuit; The man-machine interaction terminal constitutes signal through the corresponding signal interface with signal processing, feedback control circuit and is connected, and K sends into signal processing, feedback control circuit with the system start-up signal.
5. according to the frequency band searching and matching method of claim 1 or ultrasonic wave according to claim 4 biological treatment, it is characterized in that:
First via switching signal coupling resistance R
1An end be connected to the first band switching signal terminals T
F1, the other end and first via switching transistor T
1Base stage connect; First via switching transistor T
1Collector electrode be connected to DC15V working power positive terminal E, first via switching transistor T
1Emitter be connected to the first via and switch carry out electromagnetic coil relay J
1An end; The first via is switched execution electromagnetic coil relay J
1Other end ground connection; The first via is switched execution relay normally open contact J
1-1 end of incoming cables is connected to power match output first via binding post T
O1, the first via is switched execution relay normally open contact J
1-1 leading-out terminal is connected to first via vibration plate Z
1The first via vibration plate first binding post T
Z1First via vibration plate Z
1First via vibration plate second binding post be connected to coupling inductance first via binding post T
L1
The second tunnel switching signal coupling resistance R
2An end be connected to the second band switching signal terminals T
F2, the other end and the second way switch transistor T
2Base stage connect; The second way switch transistor T
2Collector electrode be connected to DC15V working power positive terminal E, the second way switch transistor T
2Emitter be connected to the second the tunnel and switch carry out electromagnetic coil relay J
2An end; The second the tunnel switches execution electromagnetic coil relay J
2Other end ground connection; The second the tunnel switches execution relay normally open contact J
2-1 end of incoming cables is connected to power match and exports the second road binding post T
O2, the second tunnel switches execution relay normally open contact J
2-1 leading-out terminal is connected to the second road vibration plate Z
2The second road vibration plate, the first binding post T
Z2The second road vibration plate Z
2The second road vibration plate, second binding post be connected to coupling inductance the second road binding post T
L2
The ten tunnel switching signal coupling resistance R
10An end be connected to the tenth band switching signal terminals T
F10, the other end and the tenth way switch transistor T
10Base stage connect; The tenth way switch transistor T
10Collector electrode be connected to DC15V working power positive terminal E, the tenth way switch transistor T
10Emitter be connected to the ten the tunnel and switch carry out electromagnetic coil relay J
10An end; The ten the tunnel switches execution electromagnetic coil relay J
10Other end ground connection; The ten the tunnel switches execution relay normally open contact J
10-1 end of incoming cables is connected to power match and exports the ten road binding post T
O10, the ten the tunnel switches execution relay normally open contact J
10-1 leading-out terminal is connected to the ten road vibration plate Z
10The ten road vibration plate the tenth binding post T
Z10The ten road vibration plate Z
10The ten road vibration plate second binding post be connected to coupling inductance the ten road binding post T
L10
The coupling inductance top T of frequency band coupling, transducing network
0Be connected to the power take-off mouth top of power match output unit.
6. according to the frequency band searching and matching method of claim 1 or ultrasonic wave according to claim 4 biological treatment; It is characterized in that: controlled multipath conversion unit is for being the circuit structure of core with DG406 type multiplexer U chip; As the frequency band switch data transform part of signal processing, feedback control circuit 10 inside, with the frequency band switching controls sign indicating number (C of feedback control circuit generation
0, C
1, C
2And C
3) convert frequency band switching controls data F into
T(F
1, F
2..., F
10).1 pin of multiplexer U and 28 pin all are connected to DC5V working power positive terminal E
04 pin of multiplexer U, 5 pin, 6 pin, 26 pin, 25 pin, 24 pin, 23 pin, 22 pin, 21 pin and 20 pin are connected respectively to the first band switching signal terminals T
F1, the second band switching signal terminals T
F2, the 3rd band switching signal terminals T
F3, T the 4th band switching signal terminals
F3, the 5th band switching signal terminals T
F5, the 6th band switching signal terminals T
F6, the 7th band switching signal terminals T
F7, the 8th band switching signal terminals T
F8, the 9th band switching signal terminals T
F9With the tenth band switching signal terminals T
F10The 12 pin ground connection of multiplexer U; 14 pin of multiplexer U, 15 pin, 16 pin and 17 pin respectively with terminals C of frequency band switching controls sign indicating number
0, two terminals C of frequency band switching controls sign indicating number
1, four terminals C of frequency band switching controls sign indicating number
2With eight terminals C of frequency band switching controls sign indicating number
3Connect; 18 pin of multiplexer U and time point arriving signal terminals at intermittence
Connect.
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| CN102594295A (en) * | 2012-03-01 | 2012-07-18 | 江南大学 | Frequency band matching structure of ultrasonic frequency search biological processing system |
| CN109428507A (en) * | 2017-08-24 | 2019-03-05 | 南京感控通化工产品经营部 | Inductance switching method during a kind of Driven by Ultrasonic Motors |
| CN112987989A (en) * | 2019-12-18 | 2021-06-18 | 北部湾大学 | Screen display interaction process for laboratory ultrasonic biological treatment |
| CN113014100A (en) * | 2019-12-18 | 2021-06-22 | 北部湾大学 | Laboratory ultrasonic biological treatment operation flow |
| CN113009853A (en) * | 2019-12-18 | 2021-06-22 | 北部湾大学 | PWM driving process for ultrasonic biological treatment in laboratory |
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| CN102594295A (en) * | 2012-03-01 | 2012-07-18 | 江南大学 | Frequency band matching structure of ultrasonic frequency search biological processing system |
| CN109428507A (en) * | 2017-08-24 | 2019-03-05 | 南京感控通化工产品经营部 | Inductance switching method during a kind of Driven by Ultrasonic Motors |
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| CN112987989A (en) * | 2019-12-18 | 2021-06-18 | 北部湾大学 | Screen display interaction process for laboratory ultrasonic biological treatment |
| CN113014100A (en) * | 2019-12-18 | 2021-06-22 | 北部湾大学 | Laboratory ultrasonic biological treatment operation flow |
| CN113009853A (en) * | 2019-12-18 | 2021-06-22 | 北部湾大学 | PWM driving process for ultrasonic biological treatment in laboratory |
| CN113009853B (en) * | 2019-12-18 | 2022-02-11 | 北部湾大学 | PWM driving process for ultrasonic biological treatment in laboratory |
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