CN106292481B - A kind of the multi-frequency ultrasonic power supply and its control method of touch control - Google Patents
A kind of the multi-frequency ultrasonic power supply and its control method of touch control Download PDFInfo
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- CN106292481B CN106292481B CN201611024073.XA CN201611024073A CN106292481B CN 106292481 B CN106292481 B CN 106292481B CN 201611024073 A CN201611024073 A CN 201611024073A CN 106292481 B CN106292481 B CN 106292481B
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0423—Input/output
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/25—Pc structure of the system
- G05B2219/25257—Microcontroller
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- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Inverter Devices (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Abstract
The invention discloses a kind of multi-frequency ultrasonic power supplys of touch control, including input circuit, current rectifying and wave filtering circuit, chopper circuit, inverter circuit, match circuit and sample circuit；It further include single-chip microcontroller, the single-chip microcontroller is electrically connected with the input circuit, current rectifying and wave filtering circuit, chopper circuit, inverter circuit and match circuit respectively, controls above-mentioned each circuit for sending and receiving electric signal；The input circuit, current rectifying and wave filtering circuit, chopper circuit, inverter circuit, match circuit are sequentially connected in series；The output end of the match circuit is also connected with sample circuit and energy converter；The sample circuit feeds back sampled signal to the single-chip microcontroller.The present invention controls other circuits by single-chip microcontroller, and the electric signal for being received or being exported according to single-chip microcontroller, corresponding circuit exports after handling electric signal, to realize the energy converter of matching different frequency range and the accurate judgement to resonance point.
Description
Technical field
The present invention relates to machinery equipment field, and in terms of belonging to power-supply device more particularly to a kind of multifrequency of touch control is super
Sound wave power supply and its control method.
Background technique
Current ultrasonic power technology mainly has auto-excitation type generator and separated exciting generator.Auto-excitation type generator utilizes
The capacitor and match circuit of energy converter itself form resonance circuit, and each energy converter is both needed to artificial carefully adjustment match circuit parameter
It could work normally, operating frequency range is relatively narrow；With the work of circuit, the fuel factor of device is changing always, thus can
Cause frequency and energy extremely unstable；The control of energy size needs special control module, and can not connect with host computer
It connects.
Separated exciting ultrasonic power can be divided into phase-locking type and monolithic processor controlled ultrasonic power according to its control mode.Lock
Phase formula ultrasonic power uses dedicated phase-locked loop chip, and the work frequency of power supply is determined by adjusting the peripheral components parameter of chip
Section, operating frequency range is generally in 1KHz or so.Due to using Phase Lock Technique, frequency is relatively stable.But with peripheral electricity
The fuel factor of the components such as road capacitance resistance, after a period of work, working condition can vary widely, also, energy is big
Small control is also required to independent module and is controlled.Since above-mentioned generator is not kept pace with an interface for machine exchange, if necessary
It shows current value and frequency values, requires special galvanometer and frequency meter to measure and show.Current is monolithic processor controlled
Separated exciting ultrasonic power mostly uses 51 series monolithics, and since its data-handling capacity is limited, thus single-chip microcontroller is mostly used to make
Phase-locked loop chip is still used for display control and some simple on-off controls, the functions such as frequency scanning, tracking of core
It completes, working principle is identical as phase-locking type separate excitation power supply.
Above-mentioned several ultrasonic powers common at present, since its circuit work frequency is all by adjustment resistance, capacitor
The parameter of equal components is adjusted to realize, operating frequency range is usually no more than 1KHz, cannot achieve multi-frequency energy converter
Driving, if you need to use the energy converter of multi-frequency, then need the professional of power supply manufacturer to power supply hardware parameter again
It is adjusted, general terminal customers cannot achieve simple and quick adjusting, and power parameter then matches originally once adjusting
Energy converter be not available then, this directly results in many users and can only select to buy a power supply again, and this considerably increases super
The use cost of acoustic wave device limits the application and popularizations of ultrasonic power.
Summary of the invention
The present invention is directed to the above technological deficiency of the prior art, provide a kind of touch control multi-frequency ultrasonic power supply and
Its control method controls other circuits by single-chip microcontroller to realize the use of a variety of energy converters；Simultaneously, additionally it is possible to by sentencing
The peak value and waveform for the electric signal that disconnected sample circuit receives judge resonance point more accurately to realize the defeated of ceiling capacity
Out.
The purpose of the present invention is achieved through the following technical solutions:
A kind of multi-frequency ultrasonic power supply of touch control, including it is input circuit 2, current rectifying and wave filtering circuit 3, chopper circuit 4, inverse
Power transformation road 5, match circuit 6 and sample circuit 8；Further include single-chip microcontroller 1, the single-chip microcontroller 1, respectively with the input circuit 2, whole
It flows filter circuit 3, chopper circuit 4, inverter circuit 5 and match circuit 6 to be electrically connected, for sending and receiving corresponding signal control
Above-mentioned each circuit；The input circuit 2, current rectifying and wave filtering circuit 3, chopper circuit 4, inverter circuit 5, match circuit 6 are sequentially connected in series；
The output end of the match circuit 6 is also connected with sample circuit 8 and energy converter 7；The sample circuit 8 arrives sampled signal feedback
The single-chip microcontroller 1.
Preferably, the input circuit 2, current rectifying and wave filtering circuit 3, chopper circuit 4, inverter circuit 5 and match circuit 6 by
Single-chip microcontroller 1 controls；The single-chip microcontroller 1 controls the input circuit 2 and ac signal is transferred to the current rectifying and wave filtering circuit 3,
DC signal is converted to after rectified filtering processing and is sent to the chopper circuit 4, then is handled and converted through the chopper circuit 4
For the DC signal of adjustable voltage, multiple AC most is converted to through inverter circuit 5 afterwards and is exported again to the match circuit 6.
Preferably, the match circuit 6 receives the multichannel AC telecommunications of the transmission of inverter circuit 5 under the control of single-chip microcontroller 1
Number, and the multichannel AC electric signal is selected under the control of the single-chip microcontroller 1, with export electric current of corresponding size with
The working frequency range of energy converter 7 matches.
Preferably, the single-chip microcontroller 1 receives the feedback signal of the sample circuit 8, by described in analysis, calculating, comparison
The peak value for the electric signal that sample circuit 8 receives and the mode of waveform judge to obtain resonance point, control the match circuit 6 to institute
State the output that energy converter 7 realizes ceiling capacity.
Preferably, the single-chip microcontroller 1 is the ultrahigh speed single-chip microcontroller that DSP and MCU are integrated in one.
Preferably, the chopper circuit 4 is the DC chopper circuit using PWM control mode.
It preferably, further include external power supply 9, touching display screen 10 and display control board 11；The display control panel 11
It is electrically connected respectively with single-chip microcontroller 1 and touching display screen 10；The external power supply 9 is respectively touch display screen 10, display control
Plate 11 and single-chip microcontroller 1 are powered.
A kind of control method of the multi-frequency ultrasonic power supply of touch control, comprising:
A: issuing operational order control input circuit 2 to single-chip microcontroller 1 is current rectifying and wave filtering circuit 3, chopper circuit 4, inversion electricity
Road 5, match circuit 6 provide power supply；
B: the current rectifying and wave filtering circuit 3, chopper circuit 4, inverter circuit 5 and matching are controlled by the single-chip microcontroller 1 respectively
The output of circuit 6, and selected by the multichannel AC electric signal that the single-chip microcontroller 1 exports the match circuit 6, with defeated
The working frequency range of electric current of corresponding size and energy converter 7 matches out.
Preferably, the step B is specifically included:
B1: the input circuit 2 is controlled by the single-chip microcontroller 1, ac signal is transferred to the current rectifying and wave filtering circuit
3；
B2: direct current is converted to after the ac signal is transmitted to the rectified filtering processing of the current rectifying and wave filtering circuit 3
Electric signal；
B3: the straight of adjustable voltage is converted to after the DC signal is sent to the chopped processing of the chopper circuit 4
Galvanic electricity signal；
B4: inverter circuit 5 is sent by the DC signal of the adjustable voltage and is converted to multichannel AC electric signal, then is passed
Give the match circuit 6.
Preferably, further comprise after the step B:
C: the feedback signal that sample circuit 8 acquires is received by the single-chip microcontroller 1, and to the feedback signal received
Frequency, waveform calculated, analyzed and comparison obtains resonance point, then control the match circuit 6 to the energy converter 7 into
The output of row ceiling capacity.
Compared with prior art, the multi-frequency ultrasonic power supply of inventive touch control has at least the following advantages:
The present invention controls other circuits by single-chip microcontroller, the electric signal for being received or being exported according to single-chip microcontroller, accordingly
Circuit exports after handling electric signal, and from single-chip microcontroller, electric signal judges the frequency range of energy converter, monolithic based on the received
Machine controls other each circuits, the electric signal that output matches with energy converter, thus realization according to the difference of energy converter frequency range
Energy converter with different frequency range；The peak value and waveform of the electric signal that sample circuit receives can also be judged by single-chip microcontroller, counted
It calculates the corresponding frequency of current maxima to analyze with to the corresponding waveform of electric current, then be compared with reference waveform, error
In a certain range can accurate judgement resonance point, more accurately judge resonance point to realizing the defeated of ceiling capacity in this way
Out.
Detailed description of the invention
Fig. 1 is a kind of internal circuit blocks schematic diagram of the multi-frequency ultrasonic power supply of touch control provided by the invention；
Fig. 2 is a kind of overall structure diagram of the multi-frequency ultrasonic power supply of touch control provided by the invention.
Specific embodiment
The invention will be further described with reference to the accompanying drawings and examples, following embodiment be it is descriptive, be not
Limited, this does not limit the scope of protection of the present invention.
Fig. 1 is the internal circuit blocks schematic diagram of the multi-frequency ultrasonic power supply of inventive touch control.As shown in Figure 1, this
The multi-frequency ultrasonic power supply of the touch control of utility model, including single-chip microcontroller 1, input circuit 2, current rectifying and wave filtering circuit 3, copped wave electricity
Road 4, inverter circuit 5, match circuit 6 and sample circuit 8.Wherein:
The single-chip microcontroller 1 controls input circuit 2, current rectifying and wave filtering circuit 3, chopper circuit 4, inverter circuit 5 and match circuit
6.Single-chip microcontroller 1 is the ultrahigh speed single-chip microcontroller that DSP and MCU are integrated in one, and calculates and control is integrated in one.Single-chip microcontroller 1 is by connecing
The feedback signal for receiving sample circuit 8 judges the resistance value of energy converter 7 to judge the working frequency range of energy converter 7, and then output is different
Control signal give corresponding each circuit, to realize that control energy converter 7 carries out the purpose of different operating frequency range switching.Single-chip microcontroller
After 1 receives feedback signal from sample circuit 8, by calculating, analyzing the feedback signal received from sample circuit 8, and
Waveform and peak value to electric current in the electric signal received calculated, is analyzed and comparison processing, controls output frequency, then really
Resonance point is determined to export maximum frequency electric signal.Avoid the feelings for causing energy converter to damage due to resonance point judgement is not allowed, is misjudged
Condition.
The input circuit 2 is by the control of single-chip microcontroller 1, and the transmission electric signal of single-chip microcontroller 1 is to input circuit 2, control input electricity
The opening and closing on road 2, to control whether electric signal is transferred to current rectifying and wave filtering circuit 3.
The current rectifying and wave filtering circuit 3 uses the DC chopper circuit of PWM control mode, it may be convenient to control output energy
Size, do not need other additional functional circuits and carry out energy holes；Current rectifying and wave filtering circuit 3 and is connect by the control of single-chip microcontroller 1
Receive the electric signal that input circuit 2 exports；After single-chip microcontroller 1, which controls input circuit 2, to be opened, control current rectifying and wave filtering circuit 3 is to from defeated
Enter the electric signal that circuit 2 receives and carry out arrangement filtering processing, converts alternating current to DC signal, then export.
For the chopper circuit 4 by the control of single-chip microcontroller 1, current rectifying and wave filtering circuit 3 exports the electric signal of rectified filtering processing
Afterwards, chopper circuit 4 receives the electric signal after the rectified filtering processing, and single-chip microcontroller 1 controls chopper circuit 4 to received telecommunications
It number is handled, the DC signal after rectifying and wave-filtering is converted to the direct current of adjustable voltage, is then output to inverter circuit
5.Here, during the direct current that the DC signal is converted to adjustable voltage using the chopper circuit 4, there are also press down
The effect of harmonic current noise processed.
Control of the inverter circuit 5 by single-chip microcontroller 1, the DC signal that the reception chopper circuit 4 of inverter circuit 5 exports,
Single-chip microcontroller 1 controls inverter circuit 5 and handles the direct current of the received adjustable voltage, and received direct current is converted to
Multiple AC is then output to match circuit 6.
Control of the match circuit 6 by single-chip microcontroller 1, the alternating current that the reception inverter circuit 5 of match circuit 6 exports；Then
Match circuit 6 is handled the alternating current received under the control of single-chip microcontroller 1, carries out corresponding according to energy converter 7
Match, then exports electric current of corresponding size to energy converter 7 and sample circuit 8.
The sample circuit 8 receives the output of match circuit 6 to the electric signal of energy converter 7, and acquisition electric current is exported to single-chip microcontroller
1.Single-chip microcontroller 1 obtains the information of electric current by calculating analysis, is then controlled according to the information of the working frequency range of energy converter 7 and electric current
Current rectifying and wave filtering circuit 3, chopper circuit 4, inverter circuit 5 and match circuit 6 to handle and convert accordingly, then output phase
The electric signal answered is to energy converter 7.
Match circuit 6 exports electric signal to energy converter 7, while sample circuit 8 receives the output of match circuit 6 to energy converter 7
Electric signal, then single-chip microcontroller 1 receives the feedback signal of sample circuit 8, and the received feedback signal of 1 pair of single-chip microcontroller institute is divided
The processing such as analysis, calculating, and waveform and reference waveform are compared and analyzed, error in a certain range can accurate judgement resonance
Point.Avoid the case where causing energy converter to damage due to resonance point judgement is not allowed, is misjudged.
It is illustrated in figure 2 the overall structure diagram of the utility model.The multi-frequency ultrasonic power supply as shown in Figure 2, packet
Include external power supply 9, touch display screen 10, display control panel 11 and single-chip microcontroller 1.Wherein:
Shown external power supply 9 is used to provide power supply to touch display screen 10, display control panel 11 and single-chip microcontroller 1.
The touch display screen 10 is used to show and be arranged parameter, parameter is arranged by touch display screen 10, wherein transducing
The frequency range of device can be set multiple, and then electric signal is exported to display control panel 11, and display control panel 11 carries out accordingly
Work exports electric signal and shows to touch display screen 10；It exports electric signal and carries out corresponding Electric signal processing then to single-chip microcontroller 1
It exports to energy converter 7, the electric signal that single-chip microcontroller 1 controls is exported to display control panel 11, and then display control panel 11 is phase
The electric signal answered is exported to touch display 10, and touch display 10 shows the parameter of electric signal.
The electric signal of the corresponding different frequency range of the energy converter 7 of different frequency range, single-chip microcontroller 1 is by judging that the frequency range of energy converter 7 is defeated
Electric signal is to display controller 11 out, and then display controller 11 exports electric signal and shows transducing to touch display screen 10
Then the frequency range of device 7 adjusts the frequency range of the utility model according to the frequency range of energy converter 7, opposite with the frequency range of energy converter 7 after adjustment
It answers.
The control method of the multi-frequency ultrasonic power supply of inventive touch control, comprising:
A: operational order is issued to single-chip microcontroller 1 by touch display screen 10, it is rectification filter that single-chip microcontroller 1, which controls input circuit 2,
Wave circuit 3, chopper circuit 4, inverter circuit 5, match circuit 6 provide power supply；
B: the defeated of current rectifying and wave filtering circuit 3, chopper circuit 4, inverter circuit 5 and match circuit 6 is controlled by single-chip microcontroller 1 respectively
Out, and by the multichannel AC electric signal that single-chip microcontroller 1 exports match circuit 6 it selects, to export electric current of corresponding size
Match with the working frequency range of energy converter 7.
B1: input circuit 2 is controlled by single-chip microcontroller 1, ac signal is transferred to current rectifying and wave filtering circuit 3；
B2: single-chip microcontroller 1 controls input circuit 2 and ac signal is transmitted to current rectifying and wave filtering circuit 3, single-chip microcontroller control rectification
Ac signal is carried out rectifying and wave-filtering processing by filter circuit 3, and ac signal is converted to direct current after rectified filtering processing
Electric signal；
B3: single-chip microcontroller 1 controls current rectifying and wave filtering circuit 3 and DC signal is sent to chopper circuit 4, and the control of single-chip microcontroller 1 is cut
Wave circuit 4 handles DC signal, and DC signal is converted to the direct current telecommunications of adjustable voltage after chopped processing
Number；
B4: single-chip microcontroller 1 controls chopper circuit 4 and sends inverter circuit 5, single-chip microcontroller 1 for the DC signal of adjustable voltage
Control inverter circuit 5 handles the DC signal of pressure-adjustable, and the DC signal of pressure-adjustable is converted to multichannel AC
Then electric signal sends match circuit 6 to again；6 output end of match circuit export all the way ac signal to energy converter 7 and sampling
Circuit 8, the ac signal that 8 feedback reception of sample circuit arrives carry out the feedback signal received to single-chip microcontroller 1, single-chip microcontroller 1
It calculates, analysis, then judges the frequency range of energy converter and then control match circuit 6 exports and exchanges telecommunications with what energy converter 7 matched
Number.
C: by single-chip microcontroller 1 receive sample circuit 8 acquire feedback signal, and to the frequency of the feedback signal received,
Waveform is calculated, analyzed and is compared, error in a certain range can accurate judgement resonance point, then control match circuit 6
The output of ceiling capacity is carried out to energy converter 7.
More than, it is merely preferred embodiments of the present invention, but the protection scope invented is not limited thereto, it is any ripe
Know those skilled in the art in the technical scope disclosed by the present invention, any changes or substitutions that can be easily thought of, should all contain
Lid is within protection scope of the present invention.Therefore, the scope of protection of the invention shall be subject to the scope of protection specified in the patent claim.
Claims (8)
1. a kind of multi-frequency ultrasonic power supply of touch control, including input circuit (2), current rectifying and wave filtering circuit (3), chopper circuit
(4), inverter circuit (5), match circuit (6) and sample circuit (8)；It is characterized in that, further including single-chip microcontroller (1), the monolithic
Machine (1), respectively with the input circuit (2), current rectifying and wave filtering circuit (3), chopper circuit (4), inverter circuit (5) and match circuit
(6) it is electrically connected, controls above-mentioned each circuit for sending and receiving corresponding signal；The input circuit (2), current rectifying and wave filtering circuit
(3), chopper circuit (4), inverter circuit (5), match circuit (6) are sequentially connected in series；The output end of the match circuit (6) is also connected with
There are sample circuit (8) and energy converter (7)；The sample circuit (8) feeds back sampled signal to the single-chip microcontroller (1)；It is described defeated
Enter circuit (2), current rectifying and wave filtering circuit (3), chopper circuit (4), inverter circuit (5) and match circuit (6) to be controlled by single-chip microcontroller (1)
System；The single-chip microcontroller (1) controls the input circuit (2) and ac signal is transferred to the current rectifying and wave filtering circuit (3), through whole
DC signal is converted to after stream filtering processing to be sent to the chopper circuit (4), then is handled and converted through the chopper circuit (4)
For the DC signal of adjustable voltage, multiple AC most is converted to through inverter circuit (5) afterwards and is exported again to the match circuit
(6)；The match circuit (6) receives the multichannel AC electric signal of inverter circuit (5) transmission under the control of single-chip microcontroller (1), and
The multichannel AC electric signal is selected under the control of the single-chip microcontroller (1), to export electric current of corresponding size and change
The working frequency range of energy device (7) matches.
2. the multi-frequency ultrasonic power supply of touch control according to claim 1, which is characterized in that the single-chip microcontroller (1) connects
The feedback signal for receiving the sample circuit (8), the electric signal received by analysis, calculating, the sample circuit (8)
The mode of peak value and waveform judges to obtain resonance point, controls the match circuit (6) Xiang Suoshu energy converter (7) and realizes ceiling capacity
Output.
3. the multi-frequency ultrasonic power supply of touch control according to claim 1, which is characterized in that the single-chip microcontroller (1) is
The ultrahigh speed single-chip microcontroller that DSP and MCU are integrated in one.
4. the multi-frequency ultrasonic power supply of touch control according to claim 1, which is characterized in that the chopper circuit (4)
For using the DC chopper circuit of PWM control mode.
5. one kind includes the described in any item multi-frequency ultrasonic power supplys of Claims 1 to 4, which is characterized in that further include external electrical
Source (9), touching display screen (10) and display control board (11)；The display control panel (11) respectively with single-chip microcontroller (1) and touching
Control display screen (10) electrical connection；The external power supply (9) is respectively touch display screen (10), display control panel (11) and monolithic
Machine (1) power supply.
6. a kind of control method of the multi-frequency ultrasonic power supply of touch control characterized by comprising
A: to single-chip microcontroller (1) issue operational order control input circuit (2) be current rectifying and wave filtering circuit (3), it is chopper circuit (4), inverse
Power transformation road (5), match circuit (6) provide power supply；
B: by the single-chip microcontroller (1) control respectively the current rectifying and wave filtering circuit (3), chopper circuit (4), inverter circuit (5) and
The output of match circuit (6), and the multichannel AC electric signal that the match circuit (6) is exported by the single-chip microcontroller (1) into
Row selection, is matched with exporting the working frequency range of electric current of corresponding size and energy converter (7).
7. the control method of the multi-frequency ultrasonic power supply of touch control according to claim 6, which is characterized in that the step
B is specifically included:
B1: the input circuit (2) is controlled by the single-chip microcontroller (1), ac signal is transferred to the current rectifying and wave filtering circuit
(3)；
B2: direct current is converted to after the ac signal is transmitted to the current rectifying and wave filtering circuit (3) rectified filtering processing
Signal；
B3: the DC signal is sent to the direct current that adjustable voltage is converted to after the chopper circuit (4) chopped processing
Electric signal；
B4: inverter circuit (5) is sent by the DC signal of the adjustable voltage and is converted to multichannel AC electric signal, then is transmitted
Give the match circuit (6).
8. the multi-frequency ultrasonic power control method of touch control according to claim 6, which is characterized in that the step B
Further comprise later:
C: the feedback signal of sample circuit (8) acquisition is received by the single-chip microcontroller (1), and to the feedback signal received
Frequency, waveform calculated, analyzed and comparison obtains resonance point, then control the match circuit (6) Xiang Suoshu energy converter
(7) output of ceiling capacity is carried out.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201611024073.XA CN106292481B (en) | 2016-11-14 | 2016-11-14 | A kind of the multi-frequency ultrasonic power supply and its control method of touch control |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611024073.XA CN106292481B (en) | 2016-11-14 | 2016-11-14 | A kind of the multi-frequency ultrasonic power supply and its control method of touch control |
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| CN106292481A CN106292481A (en) | 2017-01-04 |
| CN106292481B true CN106292481B (en) | 2019-05-24 |
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| CN201611024073.XA Expired - Fee Related CN106292481B (en) | 2016-11-14 | 2016-11-14 | A kind of the multi-frequency ultrasonic power supply and its control method of touch control |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107377342A (en) * | 2017-07-06 | 2017-11-24 | 上海骄成机电设备有限公司 | A kind of large power supersonic generator for metal welding |
| CN107377534B (en) * | 2017-07-20 | 2020-06-19 | 南京理工大学 | Frequency conversion vibration dust collector based on transducer |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203741382U (en) * | 2014-03-25 | 2014-07-30 | 冯友兵 | Novel welding stress eliminating machine |
| CN103973262A (en) * | 2014-04-04 | 2014-08-06 | 华南理工大学 | Ultrasonic power source for transducer cascading |
| CN204134714U (en) * | 2014-08-22 | 2015-02-04 | 苏州大学 | non-contact ultrasonic cracking system |
| CN104883074A (en) * | 2015-06-11 | 2015-09-02 | 杭州电子科技大学 | Fractal ultrasonic power supply apparatus |
| CN204856138U (en) * | 2015-08-21 | 2015-12-09 | 西安邮电大学 | Invariable power output control circuit of ultrasonic wave |
| CN206193486U (en) * | 2016-11-14 | 2017-05-24 | 济南辉腾机电设备有限公司 | Touch panel's multifrequency ultrasonic power supply |
-
2016
- 2016-11-14 CN CN201611024073.XA patent/CN106292481B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203741382U (en) * | 2014-03-25 | 2014-07-30 | 冯友兵 | Novel welding stress eliminating machine |
| CN103973262A (en) * | 2014-04-04 | 2014-08-06 | 华南理工大学 | Ultrasonic power source for transducer cascading |
| CN204134714U (en) * | 2014-08-22 | 2015-02-04 | 苏州大学 | non-contact ultrasonic cracking system |
| CN104883074A (en) * | 2015-06-11 | 2015-09-02 | 杭州电子科技大学 | Fractal ultrasonic power supply apparatus |
| CN204856138U (en) * | 2015-08-21 | 2015-12-09 | 西安邮电大学 | Invariable power output control circuit of ultrasonic wave |
| CN206193486U (en) * | 2016-11-14 | 2017-05-24 | 济南辉腾机电设备有限公司 | Touch panel's multifrequency ultrasonic power supply |
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| CN106292481A (en) | 2017-01-04 |
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