Ultrasonic anti-scaling and descaling control system
A scale control and scale inhibition technology, applied in the field of signal processing, can solve the problem of not being able to work at the resonant frequency in real time, and achieve the effect of improving electro-acoustic conversion efficiency and high power factor
Active Publication Date: 2016-04-20
SHANGHAI ACOUSTICS LAB CHINESE ACADEMY OF SCI
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Problems solved by technology
[0006] The technical problem to be solved by the present invention is to provide an ultrasonic antiscaling and descaling control system, which solves the problem that the ultrasonic antiscaling and antiscaling device in the traditional technology cannot work on the resonance frequency in real time when the load changes, and realizes the automatic control of the load change by the control system. adaptive frequency adjustment
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[0031] In order to make the above objects, features and advantages of the present invention more comprehensible, specific implementations of the present invention will be described in detail below in conjunction with the accompanying drawings.
[0032] In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. However, the present invention can be implemented in many other ways different from those described here, and those skilled in the art can make similar extensions without violating the connotation of the present invention, so the present invention is not limited by the specific implementations disclosed below.
[0033] figure 1 It shows a kind of ultrasonic anti-scaling and descaling control system of the present invention, including a controller 1 connected in sequence, a power amplifier circuit 3, a matching circuit 4 and a current-voltage feedback circuit 6, the controller 1 outputs a co...
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The invention provides an ultrasonic anti-scaling and descaling control system. The ultrasonic anti-scaling and descaling control system comprises a controller, a power amplifying circuit and a matching circuit which are connected in sequence, as well as a current and voltage feedback circuit, wherein the current and voltage feedback circuit comprises a feeding module, a phase difference extraction module, an impedance characteristic judging module and a signal processing module; the phase difference extraction module is used for outputting a phase difference signal according to received voltage signal and current signal output by the output terminal of the sampling module; the impedance characteristic judging module is used for judging the impedance characteristic of an output signal of the matching circuit and outputting an impedance characteristic judging signal; and the signal processing module is used for receiving the current signal, the phase difference signal and the impedance characteristic judging signal, carrying out frequency tracing according to the phase difference signal and the impedance characteristic judging signal so as to obtain a plurality of initial resonance points, determining a required resonance point according to the current signal, outputting a resonance signal of the required resonance point, and feeding the resonance signal back to the controller. The system can solve the problem of the prior art that an ultrasonic anti-scaling and descaling device cannot work on the resonance frequency in real time when load changes.
Description
technical field [0001] The invention relates to the field of signal processing, in particular to a signal control technology for ultrasonic scale inhibition and descaling. Background technique [0002] The existing ultrasonic descaling and antiscaling system includes a controller, a driving circuit, a power amplifier circuit, a matching circuit and an ultrasonic descaling and antiscaling device. The controller is used to generate the control signal and process the alarm signal of the circuit, the driving circuit will drive the power amplifier circuit according to the control signal given by the controller, and the matching circuit is responsible for matching the power and system impedance, so that the ultrasonic descaling and antiscaling device can Resonate and work. [0003] Ultrasonic transducer is a kind of ultrasonic descaling and antiscaling device. It is a nonlinear resonant load different from loads such as motors and electric furnaces. Its resonance point will vary ...
Claims
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Login to View More IPC IPC(8): B06B1/06
CPCB06B1/06
Inventor 周红生刘逍逸范彬彬王欢杨长庚刘春泽
Owner SHANGHAI ACOUSTICS LAB CHINESE ACADEMY OF SCI