Digitized intelligent ultrasonic power source and use method thereof

An ultrasonic power and intelligent technology, applied in the direction of fluid using vibration, electric pulse generator circuit, etc., can solve the problems of difficult ultrasonic driving signal frequency, difficult adjustment of ultrasonic power, poor dynamic matching effect, etc., and achieve good dynamic matching effect. , low cost, high precision effect

Inactive Publication Date: 2014-09-17
HOHAI UNIV CHANGZHOU
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] The purpose of the present invention is to solve the existing ultrasonic power source, the frequency of the ultrasonic driving signal is no

Method used

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  • Digitized intelligent ultrasonic power source and use method thereof

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Embodiment Construction

[0048] like figure 1 As shown, the digital intelligent ultrasonic power source of the present invention includes

[0049] Microprocessor, used for directly generating PWM excitation pulse signal and controlling the work of ultrasonic power source;

[0050] The voltage adjustable power supply is used to provide the working voltage for the power amplifier circuit;

[0051] Overvoltage and overcurrent monitoring circuit, used for real-time monitoring of the current of industrial frequency mains and the voltage of adjustable voltage power supply;

[0052] The voltage and current sampling circuit is used for real-time sampling of the voltage of the impedance matching circuit and the current of the resonant matching circuit;

[0053] The control panel is used to control the ultrasonic power source to realize human-computer interaction;

[0054] Ultrasonic transducers for electroacoustic energy conversion;

[0055] The first filtering and shaping circuit is used to filter and sha...

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Abstract

The invention discloses a digitized intelligent ultrasonic power source and a use method thereof. A PWM (Pulse Width Modulation) drive pulse signal is directly produced by a microprocessor and is adjusted by a rear-level circuit to be used for driving an ultrasonic transducer; a voltage adjustable power source is adjusted, and the output power of the ultrasonic power source is controlled; the current of a power frequency mains supply and the voltage of the voltage adjustable power source are monitored in real time, and the work state of the ultrasonic power source is adjusted; the voltage of an impedance matching circuit and the current of a resonance matching circuit are sampled in real time, and the frequency of the PWM drive pulse signal is dynamically adjusted through analyzing the impedance characteristic by the microprocessor so as to realize a dynamic matching process, ensure that the transducer always works at a resonance point and output the maximal available power. According to the digitized intelligent ultrasonic power source and the use method thereof, the ultrasonic power is adjustable, the matching mode is simple, the precision is higher, a circuit is simple, the safety and the reliability are realized, the cost is low, and the application prospect is wider.

Description

technical field [0001] The invention relates to a digital intelligent ultrasonic power source and a method for using the same, belonging to the technical field of ultrasonic power sources. Background technique [0002] For any electronic equipment system, realizing its digitalization and intelligence is a direction that is currently being pursued. For the ultrasonic power source, it is also essential to realize its digitization and intelligence. Digitalization lies in replacing the traditional analog way to generate ultrasonic driving signals, but by using a microprocessor to directly generate ultrasonic driving signals, which is convenient for adjusting the frequency and pulse width of ultrasonic driving signals; intelligentization lies in optimizing the function of traditional ultrasonic power sources and realizing The power of the ultrasonic power source can be adjusted, the setting of the ultrasonic driving time, power-on self-test, dynamic matching and other functions,...

Claims

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Application Information

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IPC IPC(8): B06B1/06H03K3/02
Inventor 赵俊阳朱昌平方培森王涵瑜莫正佩朱益鹏何贞兵
Owner HOHAI UNIV CHANGZHOU
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