CN111240230A - Medical ultrasonic detection control system - Google Patents

Medical ultrasonic detection control system Download PDF

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Publication number
CN111240230A
CN111240230A CN202010127764.2A CN202010127764A CN111240230A CN 111240230 A CN111240230 A CN 111240230A CN 202010127764 A CN202010127764 A CN 202010127764A CN 111240230 A CN111240230 A CN 111240230A
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China
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resistor
signal
operational amplifier
circuit
diode
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CN202010127764.2A
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Chinese (zh)
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李韬
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Individual
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Individual
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    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00Programme-control systems
    • G05B19/02Programme-control systems electric
    • G05B19/04Programme control other than numerical control, i.e. in sequence controllers or logic controllers
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B8/00Diagnosis using ultrasonic, sonic or infrasonic waves
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00Arrangements for measuring currents or voltages or for indicating presence or sign thereof

Abstract

The invention discloses a medical ultrasonic detection control system, which comprises a signal voltage acquisition circuit, a peak value differential circuit and an operational amplifier output circuit, wherein the signal voltage acquisition circuit acquires the waveform voltage of an output signal of an ultrasonic detection module, the peak value differential circuit uses an operational amplifier AR1, an operational amplifier AR2, a diode D1-a diode D3 to form a peak value detection circuit to screen out a peak value signal, simultaneously uses a push-pull circuit formed by a triode Q1 and a triode Q2 to prevent signal distortion, finally, the output signal of the push-pull circuit is input into a differential circuit formed by a triode Q3, a triode Q4, a resistor R8-a resistor R10, and uses a silicon controlled rectifier VTL1 and a voltage stabilizing tube D4 to form a detection circuit to detect an abnormal high-level signal, the differential circuit inputs the signal into the operational amplifier output circuit after differential adjustment, the operational amplifier output circuit outputs the signal after the signal is amplified in phase by the operational amplifier AR4, and can detect the waveform voltage of, and converted into a compensation signal of the controller receiving signal.

Description

Medical ultrasonic detection control system
Technical Field
The invention relates to the technical field of circuits, in particular to a medical ultrasonic detection control system.
Background
At present, medical ultrasonic testing control system mainly includes ultrasonic testing module, a controller, a display module, signal transmission module, ultrasonic testing module gathers patient's position signal that awaits measuring, transmit to the controller in through signal transmission module, the controller controls display module to show patient's information that awaits measuring, signal conditioning module connects ultrasonic testing module and controller, and the controller passes through the output signal of signal transmission module receipt ultrasonic testing module, and the signal can accumulate the noise in the transmission, can lead to the signal distortion situation to appear when the noise accumulation is too big, lead to the signal accuracy that the controller received to reduce, error signal appears even.
Disclosure of Invention
In view of the above situation, in order to overcome the defects of the prior art, the present invention provides a medical ultrasonic detection control system, which has the characteristics of ingenious design and humanized design, and can detect the waveform voltage of the output signal of the ultrasonic detection module in real time and convert the waveform voltage into a compensation signal of the signal received by the controller.
The technical scheme includes that the medical ultrasonic detection control system comprises an ultrasonic detection module, a controller, a display module, a signal transmission module and a signal adjusting module, wherein the ultrasonic detection module collects signals of a part to be detected of a patient and transmits the signals to the controller through the signal transmission module, the controller controls the display module to display information to be detected of the patient, the signal adjusting module is connected with the ultrasonic detection module and the controller and comprises a signal voltage collecting circuit, a peak difference circuit and an operational amplifier output circuit, the signal voltage collecting circuit collects waveform voltage of the output signals of the ultrasonic detection module by using a voltage collector with the model of ZCPTC03, the peak difference circuit selects peak signals by using a peak detection circuit consisting of an operational amplifier AR1, an operational amplifier AR2 and a diode D1-a diode D3, and simultaneously prevents signal distortion by using a push-pull circuit consisting of a triode Q1 and a triode Q2, finally, the output signal of the push-pull circuit is input into a differential circuit consisting of a triode Q3, a triode Q4, a resistor R8 and a resistor R10, a detection circuit consisting of a controlled silicon VTL1 and a voltage regulator tube D4 is used for detecting an abnormally high level signal, the signal is rectified and then input into the differential circuit through a rectifier circuit consisting of an operational amplifier AR3, a diode D5 and a diode D6, the differential circuit carries out differential regulation on the signal and then inputs the signal into an operational amplifier output circuit, and the operational amplifier output circuit carries out in-phase amplification on the signal through an operational amplifier AR4 and then outputs the signal, namely inputs the signal into a controller.
Due to the adoption of the technical scheme, compared with the prior art, the invention has the following advantages;
1. the peak detection circuit consisting of the operational amplifier AR1, the operational amplifier AR2 and the diode D1-diode D3 is used for screening out peak signals, abnormal low-level signals can be filtered, meanwhile, the signal unicity is guaranteed, then, the push-pull circuit consisting of the triode Q1 and the triode Q2 is used for preventing signal distortion and compensating signal cross distortion, finally, the output signals of the push-pull circuit are input into a differential circuit consisting of the triode Q3, the triode Q4, the resistor R8 and the resistor R10, and the reliability is high.
2. A detection circuit consisting of a thyristor VTL1 and a voltage regulator tube D4 is used for detecting an abnormal high-level signal, the switching property of a thyristor VTL1 is used for detecting whether an output signal of an operational amplifier AR1 is abnormal or not, when the signal is in an abnormal high level, the thyristor VTL1 is conducted, the signal is rectified by a rectifying circuit consisting of an operational amplifier AR3, a diode D5 and a diode D6, the rectified signal is input into a differential circuit, the waveform of the signal is adjusted, the accuracy of a compensation signal is ensured, otherwise, the thyristor VTL1 is not conducted, the differential circuit plays a role in resisting common-mode interference, the operational amplifier AR4 is used for in-phase amplification, the conduction loss of the signal is compensated, and the accuracy of the signal received by a controller is improved by means of the compensation signal.
Drawings
Fig. 1 is a signal voltage acquisition circuit diagram of a medical ultrasonic detection control system of the invention.
Fig. 2 is a peak difference circuit diagram of a medical ultrasonic detection control system according to the present invention.
Fig. 3 is an operational amplifier output circuit diagram of a medical ultrasonic detection control system according to the present invention.
Detailed Description
The foregoing and other aspects, features and advantages of the invention will be apparent from the following more particular description of embodiments of the invention, as illustrated in the accompanying drawings in which reference is made to figures 1 to 3. The structural contents mentioned in the following embodiments are all referred to the attached drawings of the specification.
The first embodiment of the invention relates to a medical ultrasonic detection control system, which comprises a signal voltage acquisition circuit, a peak value differential circuit and an operational amplifier output circuit, wherein the signal voltage acquisition circuit acquires waveform voltage of an output signal of an ultrasonic detection module by using a voltage acquisition device with the model number of ZCPTC03, the peak value differential circuit selects a peak value signal by using a peak value detection circuit consisting of an operational amplifier AR1, an operational amplifier AR2, a diode D1-a diode D3, and simultaneously uses a push-pull circuit consisting of a triode Q1 and a triode Q2 to prevent signal distortion, finally, the output signal of the push-pull circuit is input into a differential circuit consisting of a triode Q3, a triode Q4, a resistor R8-a resistor R10, and uses a thyristor VTL1 and a voltage regulator D4 to detect an abnormal high-level signal, the abnormal high-level signal is input into the differential circuit after being rectified by using a rectifying circuit consisting of the operational amplifier AR3, the diode, the differential circuit performs differential regulation on signals and then inputs the signals into the operational amplifier output circuit, and the operational amplifier output circuit outputs the signals after amplifying the signals in phase by using the operational amplifier AR4, namely inputs the signals into the controller;
the peak value differential circuit utilizes a peak value detection circuit consisting of an operational amplifier AR1, an operational amplifier AR2 and a diode D1-a diode D3 to screen out a peak value signal, can filter out an abnormal low level signal, simultaneously ensures the singleness of the signal, then utilizes a push-pull circuit consisting of a triode Q1 and a triode Q2 to prevent signal distortion and can prevent compensation signal crossover distortion, finally, the output signal of the push-pull circuit is input into a differential circuit consisting of a triode Q3, a triode Q4 and a resistor R8-a resistor R10, and utilizes a thyristor VTL1 and a voltage stabilizing tube D4 to detect an abnormal high level signal, utilizes the switching property of a thyristor VTL1 to detect whether the output signal of the operational amplifier AR1 is abnormal or not, when the signal is abnormal high level, the thyristor VTL1 is conducted, rectifies the signal through a rectifying circuit consisting of the operational amplifier AR3, the diode D5 and the diode D6, rectifies the signal and inputs the rectified signal, the signal waveform is adjusted to ensure the accuracy of the compensation signal, otherwise, the controlled silicon VTL1 is not conducted, and the differential circuit plays a role in resisting common-mode interference; the inverting input end of the operational amplifier AR1 is connected with the anode of the diode D1 and one end of the resistor R6, the output end of the operational amplifier AR1 is connected with the cathode of the diode D1, the anode of the diode D2, the anode of the thyristor VTL1 and the cathode of the voltage regulator tube D1, the cathode of the diode D1 is connected with the anode of the diode D1 and one end of the resistor R1, the cathode of the diode D1 is connected with the non-inverting input end of the operational amplifier AR1 and one end of the capacitor C1, the other end of the capacitor C1 is grounded, the other end of the resistor R1 is connected with the other end of the resistor R1 and the inverting input end of the operational amplifier AR1, the output end of the operational amplifier AR1 is connected with the base of the transistor Q1 and the collector of the transistor Q1, the collector of the transistor Q1 is connected with a power supply +5V, the collector of the transistor Q1 is grounded, the emitter of the transistor Q1 is connected with the emitter of the transistor Q1, the base of the transistor Q1, the emitter of the transistor, One end of a capacitor C3, the other ends of a resistor R3 and a capacitor C3 are grounded, the negative electrode of a thyristor VTL1 is connected with one end of a resistor R4, the other end of a resistor R4 is connected with one end of a resistor R16, the anode of a diode D5 and one end of a capacitor C5, the inverting input end of an operational amplifier AR3 is connected with one ends of the resistor R17 and the resistor R18, the other end of the resistor R17 is grounded, the output end of the operational amplifier AR3 is connected with the other ends of the resistor R18, the capacitor C5 and the resistor R10, the resistor R12, one end of the capacitor C6, an emitter of the triode Q4 and an anode of the diode D6, a cathode of the diode D6 is connected with a cathode of the diode D5, the other ends of the resistor R12 and the capacitor C6 are grounded, a base of the triode Q4 is connected with the other end of the resistor R10 and the other end of the resistor R9, a collector of the triode Q4 is connected with one end of the resistor R11, the other end of the resistor R11 is connected with an emitter of the triode Q3, and a collector of the triode Q3 and the other end of the resistor R8 are connected with +5V power supply.
In a second embodiment, on the basis of the first embodiment, the operational amplifier output circuit utilizes an operational amplifier AR4 to amplify in phase and compensate for conduction loss of signals, the in-phase input end of the operational amplifier AR4 is connected with one end of a resistor R13 and the collector of a triode Q4, the anti-phase input end of the operational amplifier AR4 is connected with one end of a resistor R14, the other end of a resistor R14 is grounded, the output end of the operational amplifier AR4 is connected with the other end of the resistor R13, one end of the resistor R15 and the negative electrode of a voltage regulator tube D7, the positive electrode of a voltage regulator tube D7 is grounded, and the other end of the resistor R15 is connected with a;
the signal voltage acquisition circuit adopts a voltage collector J1 with the model number of ZCPTC03 to acquire waveform voltage of an output signal of an ultrasonic detection module, pi-type filter circuit consisting of an inductor L2, a capacitor C1 and a capacitor C2 is used for filtering, a power supply end of a voltage collector J1 is connected with +5V, a grounding end of the voltage collector J1 is grounded, an output end of the voltage collector J1 is connected with one end of a resistor R1, the other end of the resistor R1 is connected with one end of an inductor L2, a resistor R2 and a capacitor C1, the other end of the inductor L2 is connected with one end of a capacitor C2 and a non-inverting input end of an operational amplifier AR1, and the other ends of the resistor R2, the capacitor C1 and the capacitor C.
When the medical ultrasonic detection control system is used, the medical ultrasonic detection control system comprises an ultrasonic detection module, a controller, a display module, a signal transmission module and a signal adjusting module, wherein the ultrasonic detection module collects signals of a part to be detected of a patient and transmits the signals into the controller through the signal transmission module, the controller controls the display module to display information to be detected of the patient, the signal adjusting module is connected with the ultrasonic detection module and the controller and comprises a signal voltage collecting circuit, a peak difference circuit and an operational amplifier output circuit, the signal voltage collecting circuit collects waveform voltage of the signals output by the ultrasonic detection module by using a voltage collector with the model of ZCPTC03, the peak difference circuit utilizes an operational amplifier AR1, the operational amplifier AR2 and a diode D1-diode D3 to form a peak detection circuit to screen peak signals, abnormal low-level signals can be filtered, and the signal singleness is ensured at the same time, then, a push-pull circuit composed of a triode Q1 and a triode Q2 is used for preventing signal distortion and compensating signal cross-over distortion, finally, the output signal of the push-pull circuit is input into a differential circuit composed of a triode Q3, a triode Q4, a resistor R8 and a resistor R10, a detection circuit composed of a thyristor VTL1 and a voltage regulator tube D4 is used for detecting an abnormal high-level signal, the switching property of the thyristor VTL1 is used for detecting whether the output signal of an operational amplifier AR1 is abnormal or not, when the signal is in an abnormal high level, the thyristor VTL1 is conducted, the signal is rectified by a rectifying circuit composed of the operational amplifier AR3, a diode D5 and a diode D6, the signal is input into the differential circuit after being rectified, the signal waveform is adjusted, the accuracy of the compensating signal is ensured, otherwise, the thyristor VTL1 is not conducted, the differential circuit has the function of resisting common mode interference, the operational amplifier output circuit utilizes the operational amplifier AR, i.e. into the controller.
While the invention has been described in further detail with reference to specific embodiments thereof, it is not intended that the invention be limited to the specific embodiments thereof; for those skilled in the art to which the present invention pertains and related technologies, the extension, operation method and data replacement should fall within the protection scope of the present invention based on the technical solution of the present invention.

Claims (3)

1. A medical ultrasonic detection control system comprises an ultrasonic detection module, a controller, a display module, a signal transmission module and a signal adjusting module, wherein the ultrasonic detection module collects signals of a part to be detected of a patient and transmits the signals to the controller through the signal transmission module, the controller controls the display module to display information to be detected of the patient, the signal adjusting module is connected with the ultrasonic detection module and the controller and comprises a signal voltage collecting circuit, a peak difference circuit and an operational amplifier output circuit, the medical ultrasonic detection control system is characterized in that the signal voltage collecting circuit collects waveform voltage of the output signals of the ultrasonic detection module by using a voltage collector with the model of ZCPTC03, the peak difference circuit screens out peak signals by using a peak detection circuit composed of an operational amplifier AR1, an operational amplifier AR2 and a diode D1-diode D3, and simultaneously, a push-pull circuit composed of a triode Q1 and a triode Q2 is used for preventing signal distortion, finally, the output signal of the push-pull circuit is input into a differential circuit consisting of a triode Q3, a triode Q4, a resistor R8 and a resistor R10, a detection circuit consisting of a controlled silicon VTL1 and a voltage regulator tube D4 is used for detecting an abnormal high level signal, the signal is rectified and then input into the differential circuit through a rectifier circuit consisting of an operational amplifier AR3, a diode D5 and a diode D6, the differential circuit carries out differential regulation on the signal and then inputs the signal into an operational amplifier output circuit, and the operational amplifier output circuit carries out in-phase amplification on the signal through an operational amplifier AR4 and then outputs the signal, namely inputs the signal into a controller;
the peak value difference circuit comprises an operational amplifier AR1, an inverting input end of the operational amplifier AR1 is connected with an anode of a diode D1 and one end of a resistor R6, an output end of the operational amplifier AR 6 is connected with a cathode of the diode D6, an anode of a thyristor VTL 6 and a cathode of a regulator tube D6, a cathode of the diode D6 is connected with an anode of the diode D6 and one end of the resistor R6, a cathode of the diode D6 is connected with a non-inverting input end of the operational amplifier AR 6 and one end of a capacitor C6, the other end of the capacitor C6 is grounded, the other end of the resistor R6 is connected with the other end of the resistor R6 and the inverting input end of the operational amplifier AR 6, an output end of the operational amplifier AR 6 is connected with a base of a transistor Q6 and a base of the transistor Q6, a collector of the transistor Q6 is connected with a power supply +5V, a collector of the transistor Q6 is grounded, an emitter of the transistor Q6 is connected with an emitter of the transistor Q6, a control resistor R6 and a control resistor VTL 36, One end of a capacitor C3, the other ends of a resistor R3 and a capacitor C3 are grounded, the negative electrode of a thyristor VTL1 is connected with one end of a resistor R4, the other end of a resistor R4 is connected with one end of a resistor R16, the anode of a diode D5 and one end of a capacitor C5, the inverting input end of an operational amplifier AR3 is connected with one ends of the resistor R17 and the resistor R18, the other end of the resistor R17 is grounded, the output end of the operational amplifier AR3 is connected with the other ends of the resistor R18, the capacitor C5 and the resistor R10, the resistor R12, one end of the capacitor C6, an emitter of the triode Q4 and an anode of the diode D6, a cathode of the diode D6 is connected with a cathode of the diode D5, the other ends of the resistor R12 and the capacitor C6 are grounded, a base of the triode Q4 is connected with the other end of the resistor R10 and the other end of the resistor R9, a collector of the triode Q4 is connected with one end of the resistor R11, the other end of the resistor R11 is connected with an emitter of the triode Q3, and a collector of the triode Q3 and the other end of the resistor R8 are connected with +5V power supply.
2. The medical ultrasonic detection control system as claimed in claim 1, wherein the operational amplifier output circuit comprises an operational amplifier AR4, the non-inverting input terminal of the operational amplifier AR4 is connected with one end of a resistor R13 and the collector of a triode Q4, the inverting input terminal of the operational amplifier AR4 is connected with one end of a resistor R14, the other end of the resistor R14 is grounded, the output terminal of the operational amplifier AR4 is connected with the other end of the resistor R13, one end of a resistor R15 and the negative electrode of a voltage regulator tube D7, the positive electrode of the voltage regulator tube D7 is grounded, and the other end of the resistor R15 is connected with a signal output port.
3. The medical ultrasonic detection control system as claimed in claims 1 and 2, wherein the signal voltage acquisition circuit comprises a voltage collector J1 with model number zcpc C03, a power supply terminal of the voltage collector J1 is connected with +5V, a ground terminal of the voltage collector J1 is connected with ground, an output terminal of the voltage collector J1 is connected with one end of a resistor R1, the other end of the resistor R1 is connected with one end of an inductor L2, a resistor R2 and a capacitor C1, the other end of the inductor L2 is connected with one end of a capacitor C2 and a non-inverting input terminal of an operational amplifier AR1, and the other ends of the resistor R2, the capacitor C1 and the capacitor C2 are connected with ground.
CN202010127764.2A 2020-02-28 2020-02-28 Medical ultrasonic detection control system Pending CN111240230A (en)

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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109557602A (en) * 2018-12-29 2019-04-02 河南鑫安利安全科技股份有限公司 Portable meteorological measuring set control system
CN110138409A (en) * 2019-05-30 2019-08-16 郑州金居建筑科技有限公司 Intelligent tower crane runs deflection calibration system
CN110161348A (en) * 2019-06-26 2019-08-23 郑州工程技术学院 A kind of new-energy automobile fault detection system
CN110417433A (en) * 2019-08-30 2019-11-05 黄河科技学院 A kind of agricultural greenhouse data transmission system
CN110533966A (en) * 2019-10-14 2019-12-03 郑州铁路职业技术学院 A kind of Foreigh-language oral-speech correction system
CN110554289A (en) * 2019-10-14 2019-12-10 河南理工大学 Low-voltage series fault arc detection system
CN110658773A (en) * 2019-11-04 2020-01-07 郑州工程技术学院 Robot scram control circuit
CN110830059A (en) * 2019-10-21 2020-02-21 河南工业贸易职业学院 Intelligent logistics system with real-time information exchange function

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109557602A (en) * 2018-12-29 2019-04-02 河南鑫安利安全科技股份有限公司 Portable meteorological measuring set control system
CN110138409A (en) * 2019-05-30 2019-08-16 郑州金居建筑科技有限公司 Intelligent tower crane runs deflection calibration system
CN110161348A (en) * 2019-06-26 2019-08-23 郑州工程技术学院 A kind of new-energy automobile fault detection system
CN110417433A (en) * 2019-08-30 2019-11-05 黄河科技学院 A kind of agricultural greenhouse data transmission system
CN110533966A (en) * 2019-10-14 2019-12-03 郑州铁路职业技术学院 A kind of Foreigh-language oral-speech correction system
CN110554289A (en) * 2019-10-14 2019-12-10 河南理工大学 Low-voltage series fault arc detection system
CN110830059A (en) * 2019-10-21 2020-02-21 河南工业贸易职业学院 Intelligent logistics system with real-time information exchange function
CN110658773A (en) * 2019-11-04 2020-01-07 郑州工程技术学院 Robot scram control circuit

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