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Laboratory ultrasonic biological treatment frequency control system

A technology of biological treatment and frequency control, applied in the general control system, control/regulation system, program control, etc., can solve the fine frequency adjustment of different objects, consume manpower, financial resources, material resources, and cannot guarantee the optimal frequency of high efficiency and other problems, to achieve the effect of reducing the space occupied by the machine body, realizing automatic storage, and improving the utilization rate of detection points

Active Publication Date: 2021-06-18
BEIBU GULF UNIV
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Problems solved by technology

In essence, such a method cannot guarantee that the working ultrasonic frequency is the optimal frequency for the object, nor can it perform precise and fine frequency adjustments for different objects, and the accumulated experience is not the best process; in addition, the The method not only consumes a lot of manpower, financial resources and material resources in the initial stage, but also often requires observation, adjustment and maintenance during the use period.

Method used

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  • Laboratory ultrasonic biological treatment frequency control system
  • Laboratory ultrasonic biological treatment frequency control system
  • Laboratory ultrasonic biological treatment frequency control system

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Embodiment Construction

[0033] exist figure 1 In the structural diagram of the sound intensity detection feedback circuit of the processing tank shown in the figure: the sound intensity detection feedback circuit of the processing tank is based on the sound intensity sensor S s It is the sound intensity detection feedback circuit of the core device. Sound intensity signal bias current resistance R s1 One end of the control circuit is connected to the positive terminal E of the working power supply of the control circuit, and the other end is connected to the sound intensity sensor S of the sound measuring part 14.8 s The output terminal of the sound intensity signal s; the sound intensity sensor S s The ground terminal is grounded. Sound Intensity Sensor S s The output terminal of the sound intensity signal s passes through the sound intensity signal coupling resistor R s2 The sound intensity signal op amp connected to A s Inverting input terminal; sound intensity signal op amp A s The non-inv...

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Abstract

A laboratory ultrasonic biological treatment frequency control system is composed of a comparison link, a frequency control link, a conversion processing link, an amplification link, a transduction execution link and a frequency conversion feedback link. The ultrasonic processing given frequency and the ultrasonic processing feedback frequency are compared in the comparison link stored in a controller chip to generate a deviation frequency ratio; the deviation PWM pulse width duty ratio is converted into a PWM pulse width duty ratio through the conversion processing link; in the amplification link, the PWM pulse width duty ratio controls the transduction driving voltage of the link; the transduction driving voltage generates transduction driving current through matching and resonance of the transduction execution link; and through calculation processing of a frequency conversion feedback link, the transduction driving voltage and the transduction driving current are converted into ultrasonic processing feedback frequency which is introduced into a comparison link.

Description

technical field [0001] The invention relates to a laboratory ultrasonic biological treatment process, method and control system. Background technique [0002] The laboratory equipment, process and method of ultrasonic biological treatment are still in the mode of single-frequency treatment, group control and inductive effect. The current laboratory method of ultrasonic biological treatment is: by setting or selecting a certain working frequency of the ultrasonic generating equipment in advance, and then using the ultrasonic frequency of this frequency to act on the treatment object. However, the processing rate of ultrasonic waves on objects is highly correlated with ultrasonic frequency, and the processing efficiency varies greatly with different ultrasonic frequencies; moreover, the type of biological cells to be processed is highly related to ultrasonic frequency, and different biological cells are sensitive to different frequency ultrasonic waves. very different. This ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05B19/418
CPCG05B19/41875G05B2219/32368Y02P90/02
Inventor 屈百达程宪宝姜愉梁家海农国才
Owner BEIBU GULF UNIV
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