CN205019085U

CN205019085U - Medical intelligent stethoscope

Info

Publication number: CN205019085U
Application number: CN201520725167.4U
Authority: CN
Inventors: 张建卿
Original assignee: 张建卿
Current assignee: Henan dragon light Health Management Co., Ltd.
Priority date: 2015-09-18
Filing date: 2015-09-18
Publication date: 2016-02-10
Anticipated expiration: 2025-09-18

Abstract

The utility model provides a medical intelligent stethoscope, it does not have memory function and heart sound waveform display not notable to have solved current stethoscope, is unfavorable for the problem of medical science teaching. Its technical scheme is, including pick -up head, AD converter, a central processing unit, display element, speaker, recording socket and with PC communication unit, the pick -up head is connected with the AD converter, AD converter and a central processing unit, and a central processing unit is with display element, speaker, recording socket and be connected with PC communication unit. The utility model has the characteristics of can save, show in real time, simply easy -to -use, with low costs, can show the heart sound wave form in real time, make the diagnosis more accurate, the medical science of just being convenient for teaching is recorded through recording socket input recorder, can save heart sound signal transmission in the computer with PC communication unit, is favorable to data processing and analysis, can also insert the information system of hospital of hospital, forms a complete set with patient's case history.

Description

A kind of medicinal intelligent stethoscope

Technical field

This utility model relates to stethoscope technical field, particularly a kind of medicinal intelligent stethoscope.

Background technology

Stethoscope is the most frequently used diagnosis apparatus of inside and outside woman doctor, is the mark of doctor, namely modern medicine starts from stethoscopic invention, stethoscope is since being applied to clinical dependence, profile and acoustic mode have continuous improvement, but the change of its basic structure is little, mainly contain pickup part (chest piece), conduction portion (sebific duct) and audition part (ear piece) composition.

Traditional stethoscope does not have memory function, can not compared with medical history, diagnose the state of an illness of patient better, also electronic stethoscope is had in the market, but just amplify after hear sounds collection, although improve stethoscope to a certain extent, hear sounds waveform can't be reacted well, also be unfavorable for medical teaching.

Summary of the invention

For above-mentioned situation, for overcoming the defect of prior art, the object of this utility model is to provide a kind of medicinal intelligent stethoscope, and efficiently solving existing stethoscope does not have memory function and hear sounds waveform to show not obvious, is unfavorable for the problem of medical teaching.

Its technical scheme solved is, comprise pick-up head, A/D converter, CPU, display unit, speaker, recording socket and with PC communication unit, described pick-up head is connected with A/D converter, A/D converter and CPU, CPU is with display unit, speaker, recording socket and be connected with PC communication unit.

This utility model has and can store, shows in real time, is simple and easy to by, feature that cost is low, hear sounds waveform can be shown in real time, make diagnosis more accurate, and be convenient to medical teaching, recorded by recording socket input recording machine, cardiechema signals can be transferred in computer with PC communication unit and store, be conducive to Data Management Analysis, the hospital information system of hospital can also be accessed, supporting with the case history of patient.

Accompanying drawing explanation

Fig. 1 is structured flowchart of the present utility model.

Fig. 2 is circuit connection diagram of the present utility model.

Detailed description of the invention

Below in conjunction with accompanying drawing, detailed description of the invention of the present utility model is described in further detail.

Shown in existing composition graphs 1 and Fig. 2, a kind of medicinal intelligent stethoscope of this utility model, comprise pick-up head, A/D converter, CPU, display unit, speaker, recording socket and with PC communication unit, described pick-up head is connected with A/D converter, A/D converter and CPU, CPU is with display unit, speaker, recording socket and be connected with PC communication unit.

Described pick-up head, A/D converter, CPU, display unit, speaker, recording socket and with PC communication unit, comprise microphone TM, electric capacity C4, NPN type triode Q2, electric capacity C5, resistance R4, ADC0831 transducer U2, model is the single-chip microcomputer U1 of AT89C51, display lcd 1, buzzer LS1, socket XJ and RS232 interface, one end ground connection of described microphone TM, the other end of microphone TM connects one end of electric capacity C4, one end of the other end contact resistance R3 of electric capacity C4, another termination power VCC of resistance R3, one end of resistance R3 connects the base stage of NPN type triode Q2, the colelctor electrode of NPN type triode Q2 meets power supply VCC, one end of the emitter stage contact resistance R4 of NPN type triode Q2, the other end ground connection GND of resistance R4, the emitter stage of NPN type triode Q2 connects one end of electric capacity C5, one end of the other end contact resistance R5 of electric capacity C5, the other end of resistance R5 connects 3 pins of ADC0831 transducer U2, the pin of 3 pins of ADC0831 transducer U2 and 4 pins all ground connection GND, ADC0831 transducer U2, 7 pins and 6 pins are connected 1 pin that model is the single-chip microcomputer U1 of AT89C51 respectively, 2 pins and 3 pins, 5 pins and 8 pins of ADC0831 transducer U2 all meet power supply VCC, and model is 39 pins of the single-chip microcomputer U1 of AT89C51, 38 pins, 37 pins, 36 pins, 35 pins, 34 pins, 33 pins and 32 pins are connected 9 pins of display lcd 1 respectively through exclusion J1, 10 pins, 11 pins, 12 pins, 13 pins, 14 pins, 15 pins and 16 pins, 8 pins of display lcd 1, 7 pins, 6 pins, 2 pins and 1 pin are connected 21 pins that model is the single-chip microcomputer U1 of AT89C51 respectively, 22 pins, 23 pins, 24 pins and 25 pins, model is one end of the 28 pin contact resistance R2 of the single-chip microcomputer U1 of AT89C51, the other end of resistance R2 connects the base stage of PNP type triode Q1, the colelctor electrode of PNP type triode Q1 meets power supply VCC, the emitter stage of PNP type triode Q1 connects one end of buzzer LS1, the other end ground connection GND of buzzer LS1, one end of the emitter stage of PNP type triode Q1 also connection socket XJ, the other end ground connection GND of socket XJ, model is 2 pins and 3 pins that 10 pins and 11 pins of the single-chip microcomputer U1 of AT89C51 are connected RS232 interface respectively.

Described CPU, comprise oscillating circuit, described oscillating circuit comprises crystal oscillator X1, electric capacity C1 and is connected with one end of crystal oscillator X1 described in electric capacity C2 19 pins that model is the single-chip microcomputer U1 of AT89C51, one end of crystal oscillator X1 also connects one end of electric capacity C2, the other end ground connection GND of electric capacity C2, the other end of crystal oscillator X1 connects 18 pins that model is the single-chip microcomputer U1 of AT89C51, and the other end of crystal oscillator X1 also connects one end of electric capacity C2, the other end ground connection GND of electric capacity C2.

Described CPU also comprises reset circuit, described reset circuit comprises electrochemical capacitor C3, button K and resistance R1, one end of one end contact resistance R1 of described electrochemical capacitor C3, one end of resistance R1 connects 9 pins that model is the single-chip microcomputer U1 of AT89C51, one end of resistance R1 also connects one end of button K, the other end ground connection GND of the other end of button K and another termination power VCC of electrochemical capacitor C3, resistance R1.

This utility model in use, the heart, lung, the sound of pulse etc. converts the signal of telecommunication to through microphone TM, this signal of telecommunication is after NPN type triode Q2 amplifies, the signal of telecommunication after amplification converts digital signal to through A/D converter ADC0831, transfer to the single-chip microcomputer U1 that model is AT89C51, digital signal is after the single-chip microcomputer U1 process that model is AT89C51, phonocardiogram is shown through display lcd 1, and export sound by buzzer LS1, that listens to make doctor is clear, diagnosis accurately, recorder can also be inserted socket XJ to record, this utility model can also be connected with PC, data are imported into Computer Storage, the hospital information system of hospital can also be accessed, supporting with the case history of patient.

Claims

1. a medicinal intelligent stethoscope, comprise pick-up head, A/D converter, CPU, display unit, speaker, recording socket and with PC communication unit, it is characterized in that, described pick-up head is connected with A/D converter, A/D converter and CPU, CPU is with display unit, speaker, recording socket and be connected with PC communication unit.

2. a kind of medicinal intelligent stethoscope according to claim 1, is characterized in that, described pick-up head, A/D converter, CPU, display unit, speaker, recording socket and with PC communication unit, comprise microphone TM, electric capacity C4, NPN type triode Q2, electric capacity C5, resistance R4, ADC0831 transducer U2, model is the single-chip microcomputer U1 of AT89C51, display lcd 1, buzzer LS1, socket XJ and RS232 interface, one end ground connection of described microphone TM, the other end of microphone TM connects one end of electric capacity C4, one end of the other end contact resistance R3 of electric capacity C4, another termination power VCC of resistance R3, one end of resistance R3 connects the base stage of NPN type triode Q2, the colelctor electrode of NPN type triode Q2 meets power supply VCC, one end of the emitter stage contact resistance R4 of NPN type triode Q2, the other end ground connection GND of resistance R4, the emitter stage of NPN type triode Q2 connects one end of electric capacity C5, one end of the other end contact resistance R5 of electric capacity C5, the other end of resistance R5 connects 3 pins of ADC0831 transducer U2, the pin of 3 pins of ADC0831 transducer U2 and 4 pins all ground connection GND, ADC0831 transducer U2, 7 pins and 6 pins are connected 1 pin that model is the single-chip microcomputer U1 of AT89C51 respectively, 2 pins and 3 pins, 5 pins and 8 pins of ADC0831 transducer U2 all meet power supply VCC, and model is 39 pins of the single-chip microcomputer U1 of AT89C51, 38 pins, 37 pins, 36 pins, 35 pins, 34 pins, 33 pins and 32 pins are connected 9 pins of display lcd 1 respectively through exclusion J1, 10 pins, 11 pins, 12 pins, 13 pins, 14 pins, 15 pins and 16 pins, 8 pins of display lcd 1, 7 pins, 6 pins, 2 pins and 1 pin are connected 21 pins that model is the single-chip microcomputer U1 of AT89C51 respectively, 22 pins, 23 pins, 24 pins and 25 pins, model is one end of the 28 pin contact resistance R2 of the single-chip microcomputer U1 of AT89C51, the other end of resistance R2 connects the base stage of PNP type triode Q1, the colelctor electrode of PNP type triode Q1 meets power supply VCC, the emitter stage of PNP type triode Q1 connects one end of buzzer LS1, the other end ground connection GND of buzzer LS1, one end of the emitter stage of PNP type triode Q1 also connection socket XJ, the other end ground connection GND of socket XJ, model is 2 pins and 3 pins that 10 pins and 11 pins of the single-chip microcomputer U1 of AT89C51 are connected RS232 interface respectively.

3. a kind of medicinal intelligent stethoscope according to claim 1, it is characterized in that, comprise oscillating circuit, described oscillating circuit, comprise crystal oscillator X1, electric capacity C1 and electric capacity C2, one end of described crystal oscillator X1 connects 19 pins that model is the single-chip microcomputer U1 of AT89C51, one end of crystal oscillator X1 also connects one end of electric capacity C2, the other end ground connection GND of electric capacity C2, the other end of crystal oscillator X1 connects 18 pins that model is the single-chip microcomputer U1 of AT89C51, the other end of crystal oscillator X1 also connects one end of electric capacity C2, the other end ground connection GND of electric capacity C2.

4. a kind of medicinal intelligent stethoscope according to claim 1, it is characterized in that, described CPU also comprises reset circuit, described reset circuit comprises electrochemical capacitor C3, button K and resistance R1, one end of one end contact resistance R1 of described electrochemical capacitor C3, one end of resistance R1 connects 9 pins that model is the single-chip microcomputer U1 of AT89C51, one end of resistance R1 also connects one end of button K, the other end ground connection GND of the other end of button K and another termination power VCC of electrochemical capacitor C3, resistance R1.