CN113318952A - Full-digital ultrasonic generator control system and method - Google Patents
Full-digital ultrasonic generator control system and method Download PDFInfo
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- CN113318952A CN113318952A CN202110727200.7A CN202110727200A CN113318952A CN 113318952 A CN113318952 A CN 113318952A CN 202110727200 A CN202110727200 A CN 202110727200A CN 113318952 A CN113318952 A CN 113318952A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
- B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
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Abstract
The invention discloses a full-digital ultrasonic generator control system and a method, wherein the control system comprises a transducer, a first analog-to-digital converter chip, a second analog-to-digital converter chip, a digital signal processor chip and a power amplifier; the digital signal processor chip comprises a first digital filter, a second digital filter, a first FFT spectrum analysis module, a second FFT spectrum analysis module, an amplitude-phase processing circuit, a logic processing circuit, a frequency-power combined processing circuit, a DDS waveform generator and a PWM generator; the control system has the advantages that all chips are utilized in a matched mode, full digital processing can be conducted on current and voltage, the reliability is high, intelligent processing can be achieved, parameter setting before work is not needed, operation such as frequency sweeping is not needed to determine working parameters, load characteristics can be intelligently analyzed in a working frequency range, plug and play can be achieved, the control system can deal with different application scenes, and the use is very convenient.
Description
Technical Field
The invention relates to the technical field of ultrasonic waves, in particular to a full-digital ultrasonic generator control system and method.
Background
An ultrasonic generator, also called an ultrasonic driving power supply, an electronic box and an ultrasonic controller, is an important component of a high-power ultrasonic system. The ultrasonic generator is used for converting commercial power into a high-frequency alternating current signal matched with the ultrasonic transducer and driving the ultrasonic transducer to work. The high-power ultrasonic power supply generally adopts a circuit form of a switching power supply in view of conversion efficiency. The ultrasonic power supply is divided into a self-excited power supply and a separate-excited power supply, the self-excited power supply is called an ultrasonic simulation power supply, and the separate-excited power supply is called an ultrasonic generator.
The existing ultrasonic generator mainly adopts analog signals to control the ultrasonic transducer, the control method has low reliability, parameter setting is needed before work, frequency sweeping and other operations are needed to determine working parameters, and the use is inconvenient. Therefore, there is a need to develop a solution to the above problems.
Disclosure of Invention
In view of the above, the present invention is directed to the deficiency of the prior art, and the main objective of the present invention is to provide a full-digital ultrasonic generator control system and method, which can effectively solve the problems of low reliability and inconvenient use of the conventional ultrasonic generator.
In order to achieve the purpose, the invention adopts the following technical scheme:
a full-digital ultrasonic generator control system comprises a transducer, a first analog-to-digital converter chip, a second analog-to-digital converter chip, a digital signal processor chip and a power amplifier; the first analog-to-digital converter chip and the second analog-to-digital converter chip are both connected with the transducer; the digital signal processor chip comprises a first digital filter, a second digital filter, a first FFT spectrum analysis module, a second FFT spectrum analysis module, an amplitude-phase processing circuit, a logic processing circuit, a frequency-power combined processing circuit, a DDS waveform generator and a PWM generator; the first digital filter and the second digital filter are respectively connected with a first analog-to-digital converter chip and a second analog-to-digital converter chip, the first FFT spectrum analysis module and the second FFT spectrum analysis module are respectively connected with a first digital filter and a second digital filter, the amplitude-phase processing circuit is connected with the first FFT spectrum analysis module and the second FFT spectrum analysis module, the logic processing circuit is connected with the amplitude-phase processing circuit, the frequency-power combined processing circuit is connected with the amplitude-phase processing circuit and the logic processing circuit, the DDS waveform generator is connected with the frequency-power combined processing circuit, the PWM generator is connected with the DDS waveform generator, and the power amplifier is connected with the PWM generator and the energy converter.
Preferably, the digital signal processor chip further comprises a network communication circuit.
As a preferred scheme, the digital signal processor chip is an intel series FPGA chip.
A full digitalization ultrasonic generator control method uses the full digitalization ultrasonic generator control system, comprising the following steps:
(1) the first analog-to-digital converter chip and the second analog-to-digital converter chip respectively collect current and voltage of the transducer and perform analog-to-digital conversion;
(2) filtering the digital signals of the current and the voltage by a first digital filter and a second digital filter respectively;
(3) the first FFT spectrum analysis module and the second FFT spectrum analysis module respectively carry out FFT spectrum analysis on the digital signals of the current and the voltage;
(4) the amplitude-phase processing circuit performs amplitude-phase processing on the digital signal subjected to the FFT spectrum analysis;
(5) the logic processing circuit performs logic processing on the digital signal after the amplitude and phase processing;
(6) the frequency and power combined processing circuit combines the digital signal after logic processing and the digital signal after amplitude and phase processing to carry out frequency and power combined processing;
(7) the DDS waveform generator generates DDS waveforms according to the result after the joint processing;
(8) the PWM generator generates a PWM waveform according to the DDS waveform;
(9) the power amplifier amplifies power according to the PWM waveform and transmits the amplified power to the transducer.
Compared with the prior art, the invention has obvious advantages and beneficial effects, and specifically, the technical scheme includes that:
the control system has the advantages that all chips are utilized in a matched mode, full digital processing can be conducted on current and voltage, the reliability is high, intelligent processing can be achieved, parameter setting before work is not needed, operation such as frequency sweeping is not needed to determine working parameters, load characteristics can be intelligently analyzed in a working frequency range, plug and play can be achieved, the control system can deal with different application scenes, and the use is very convenient.
To more clearly illustrate the structural features and effects of the present invention, the present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
Drawings
FIG. 1 is a schematic block diagram of a preferred embodiment of the present invention.
The attached drawings indicate the following:
10. transducer 20, first analog-to-digital converter chip
30. Second analog-to-digital converter chip 40, digital signal processor chip
41. First digital filter 42, second digital filter
43. A first FFT spectrum analysis module 44 and a second FFT spectrum analysis module
45. Amplitude-phase processing circuit 46 and logic processing circuit
47. Frequency and power joint processing circuit 48 and DDS waveform generator
49. PWM generator 401 and network communication circuit
50. A power amplifier.
Detailed Description
Referring to fig. 1, a detailed structure of a full digital ultrasonic generator control system according to a preferred embodiment of the invention is shown, which includes a transducer 10, a first analog-to-digital converter chip 20, a second analog-to-digital converter chip 30, a digital signal processor chip 40 and a power amplifier 50.
The first analog-to-digital converter chip 20 and the second analog-to-digital converter chip 30 are both connected to the transducer 10, and the first analog-to-digital converter chip 20 and the second analog-to-digital converter chip 30 are respectively used for collecting current and voltage of the transducer 10 and performing analog-to-digital conversion.
The digital signal processor chip 40 includes a first digital filter 41, a second digital filter 42, a first FFT spectrum analysis module 43, a second FFT spectrum analysis module 44, an amplitude-phase processing circuit 45, a logic processing circuit 46, a frequency-power joint processing circuit 47, a DDS waveform generator 48, and a PWM generator 49; the first digital filter 41 and the second digital filter 42 are respectively connected to the first analog-to-digital converter chip 20 and the second analog-to-digital converter chip 30, the first FFT spectrum analysis module 43 and the second FFT spectrum analysis module 44 are respectively connected to the first digital filter 41 and the second digital filter 42, the amplitude-phase processing circuit 45 is connected to the first FFT spectrum analysis module 43 and the second FFT spectrum analysis module 44, the logic processing circuit 46 is connected to the amplitude-phase processing circuit 45, the frequency-power joint processing circuit 47 is connected to the amplitude-phase processing circuit 46 and the logic processing circuit 46, the DDS waveform generator 48 is connected to the frequency-power joint processing circuit 47, the PWM generator 49 is connected to the DDS waveform generator 48, and the power amplifier 50 is connected to the PWM generator 49 and the transducer 10.
In this embodiment, the digital signal processor chip 40 further includes a network communication circuit 401, and the digital signal processor chip 40 is an intel series FPGA chip.
The invention also discloses a control method of the full-digital ultrasonic generator, and the control system of the full-digital ultrasonic generator comprises the following steps:
(1) the first analog-to-digital converter chip 20 and the second analog-to-digital converter chip 30 respectively collect current and voltage of the transducer 10 and perform analog-to-digital conversion.
(2) The digital signals of the current and the voltage are filtered by the first digital filter 41 and the second digital filter 42, respectively.
(3) The digital signals of the current and the voltage are subjected to FFT spectrum analysis by the first FFT spectrum analysis module 43 and the second FFT spectrum analysis module 44, respectively.
(4) The digital signal after the FFT spectrum analysis is subjected to amplitude-phase processing by the amplitude-phase processing circuit 45.
(5) The amplitude-phase processed digital signal is subjected to logic processing by a logic processing circuit 46.
(6) The frequency-power joint processing circuit 47 combines the digital signal after the logic processing and the digital signal after the amplitude-phase processing to perform the frequency-power joint processing.
(7) The DDS waveform generator 48 generates a DDS waveform based on the result of the joint processing.
(8) The PWM generator 49 generates a PWM waveform from the DDS waveform.
(9) The power amplifier 50 amplifies power according to the PWM waveform and supplies the amplified power to the transducer 10.
The design of the invention is characterized in that: the control system has the advantages that all chips are utilized in a matched mode, full digital processing can be conducted on current and voltage, the reliability is high, intelligent processing can be achieved, parameter setting before work is not needed, operation such as frequency sweeping is not needed to determine working parameters, load characteristics can be intelligently analyzed in a working frequency range, plug and play can be achieved, the control system can deal with different application scenes, and the use is very convenient.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that any minor modifications, equivalent changes and modifications made to the above embodiment according to the technical spirit of the present invention are within the technical scope of the present invention.
Claims (4)
1. A full digital ultrasonic generator control system is characterized in that: the device comprises a transducer, a first analog-to-digital converter chip, a second analog-to-digital converter chip, a digital signal processor chip and a power amplifier; the first analog-to-digital converter chip and the second analog-to-digital converter chip are both connected with the transducer; the digital signal processor chip comprises a first digital filter, a second digital filter, a first FFT spectrum analysis module, a second FFT spectrum analysis module, an amplitude-phase processing circuit, a logic processing circuit, a frequency-power combined processing circuit, a DDS waveform generator and a PWM generator; the first digital filter and the second digital filter are respectively connected with a first analog-to-digital converter chip and a second analog-to-digital converter chip, the first FFT spectrum analysis module and the second FFT spectrum analysis module are respectively connected with a first digital filter and a second digital filter, the amplitude-phase processing circuit is connected with the first FFT spectrum analysis module and the second FFT spectrum analysis module, the logic processing circuit is connected with the amplitude-phase processing circuit, the frequency-power combined processing circuit is connected with the amplitude-phase processing circuit and the logic processing circuit, the DDS waveform generator is connected with the frequency-power combined processing circuit, the PWM generator is connected with the DDS waveform generator, and the power amplifier is connected with the PWM generator and the energy converter.
2. The fully digitized sonotrode control system of claim 1, wherein: the digital signal processor chip also comprises a network communication circuit.
3. The fully digitized sonotrode control system and method of claim 1, wherein: the digital signal processor chip is an Intel series FPGA chip.
4. A method of controlling an all-digital sonotrode, characterized in that use is made of an all-digital sonotrode control system according to any one of claims 1 to 3, comprising the following steps:
(1) the first analog-to-digital converter chip and the second analog-to-digital converter chip respectively collect current and voltage of the transducer and perform analog-to-digital conversion;
(2) filtering the digital signals of the current and the voltage by a first digital filter and a second digital filter respectively;
(3) the first FFT spectrum analysis module and the second FFT spectrum analysis module respectively carry out FFT spectrum analysis on the digital signals of the current and the voltage;
(4) the amplitude-phase processing circuit performs amplitude-phase processing on the digital signal subjected to the FFT spectrum analysis;
(5) the logic processing circuit performs logic processing on the digital signal after the amplitude and phase processing;
(6) the frequency and power combined processing circuit combines the digital signal after logic processing and the digital signal after amplitude and phase processing to carry out frequency and power combined processing;
(7) the DDS waveform generator generates DDS waveforms according to the result after the joint processing;
(8) the PWM generator generates a PWM waveform according to the DDS waveform;
(9) the power amplifier amplifies power according to the PWM waveform and transmits the amplified power to the transducer.
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101468347A (en) * | 2007-12-28 | 2009-07-01 | 北京奥麦特科技有限公司 | Automatic frequency tracking method of supersonic transducer and system thereof |
| CN101787363A (en) * | 2009-12-28 | 2010-07-28 | 江南大学 | Parallel frequency search control method of ultrasonic biological treatment |
| CN102969977A (en) * | 2012-11-07 | 2013-03-13 | 吴彪 | Digital full-intelligent ultrasonic generator and automatic frequency correcting method thereof |
| CN104202101A (en) * | 2014-09-09 | 2014-12-10 | 西安烽火电子科技有限责任公司 | Short wave/ultra-short wave instant dynamic spectrum sensing system and method |
| CN205041485U (en) * | 2015-08-18 | 2016-02-24 | 汪亚飞 | Apply to ultrasonic wave rubble control system of medical science treatment |
| CN110702971A (en) * | 2019-09-10 | 2020-01-17 | 天津大学 | Ultrasonic driving power supply capable of automatically tracking series resonant frequency of transducer |
| CN111375538A (en) * | 2018-12-29 | 2020-07-07 | 重庆西山科技股份有限公司 | Frequency control circuit and ultrasonic transducer system |
| CN111842094A (en) * | 2020-07-25 | 2020-10-30 | 广州革云士智能科技有限公司 | Digital full-intelligent ultrasonic generator and automatic frequency matching method thereof |
| CN112994688A (en) * | 2021-02-03 | 2021-06-18 | 常州大学 | High-resolution ultrasonic frequency source signal processing device and method |
-
2021
- 2021-06-29 CN CN202110727200.7A patent/CN113318952A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101468347A (en) * | 2007-12-28 | 2009-07-01 | 北京奥麦特科技有限公司 | Automatic frequency tracking method of supersonic transducer and system thereof |
| CN101787363A (en) * | 2009-12-28 | 2010-07-28 | 江南大学 | Parallel frequency search control method of ultrasonic biological treatment |
| CN102969977A (en) * | 2012-11-07 | 2013-03-13 | 吴彪 | Digital full-intelligent ultrasonic generator and automatic frequency correcting method thereof |
| CN104202101A (en) * | 2014-09-09 | 2014-12-10 | 西安烽火电子科技有限责任公司 | Short wave/ultra-short wave instant dynamic spectrum sensing system and method |
| CN205041485U (en) * | 2015-08-18 | 2016-02-24 | 汪亚飞 | Apply to ultrasonic wave rubble control system of medical science treatment |
| CN111375538A (en) * | 2018-12-29 | 2020-07-07 | 重庆西山科技股份有限公司 | Frequency control circuit and ultrasonic transducer system |
| CN110702971A (en) * | 2019-09-10 | 2020-01-17 | 天津大学 | Ultrasonic driving power supply capable of automatically tracking series resonant frequency of transducer |
| CN111842094A (en) * | 2020-07-25 | 2020-10-30 | 广州革云士智能科技有限公司 | Digital full-intelligent ultrasonic generator and automatic frequency matching method thereof |
| CN112994688A (en) * | 2021-02-03 | 2021-06-18 | 常州大学 | High-resolution ultrasonic frequency source signal processing device and method |
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