CN103956098B - Biomedical Instruments comprehensive test instrument - Google Patents

Biomedical Instruments comprehensive test instrument Download PDF

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Publication number
CN103956098B
CN103956098B CN201410176241.1A CN201410176241A CN103956098B CN 103956098 B CN103956098 B CN 103956098B CN 201410176241 A CN201410176241 A CN 201410176241A CN 103956098 B CN103956098 B CN 103956098B
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China
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pin
chip
power supply
connects
module
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CN201410176241.1A
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Chinese (zh)
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CN103956098A (en
Inventor
赵伟杰
付全胜
薛凌云
祝磊
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杭州电子科技大学
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Abstract

The invention discloses a kind of Biomedical Instruments comprehensive test instrument.The present invention include in pulses measure module, electrocardio measurement module, heart sound measurement module, measurement of bldy temperature module, blood pressure measurement module, respiration measurement module is as physiological signal collection front end, signal will be collected MCU system module is sent to by I/O port, MCU system module is shown on LCD MODULE or digital tube module after treatment, can also be communicated by RS232 communication modules with host computer, clock module, EEPROM module, AD D/A module, Keysheet module as MCU system module peripheral circuit.Circuit of the present invention is simple, in modularized design, and the module that can select to need to learn to use by way of toggle switch and plug jump cap for module user involved in system facilitates daily teaching and management.

Description

Biomedical Instruments comprehensive test instrument

Technical field

The invention belongs to embedded system technology field, and in particular to a kind of Biomedical Instruments comprehensive test instrument.

Background technology

Contemporary medical electronics development is very rapid, under the stimulation of the market demand and the support of country, existing at present many high School opens up or is ready for open up the subject being combined with instrument about biomedicine, and by more than ten development several years ago by now Tens.

But, but slowly without medical educational instrument suitable accordingly in society, it is impossible to meet increasingly complicated subject The demand of background, it is difficult in terms of corresponding personnel training.Main difficulty is the shortage of instruments used for education.And existing In major universities and colleges, the hardware device of the perfect medical science of a few full sets and instrument.First, most of medical instruments all prices are not It is striking, dedicated for teaching cost will increase, even and if disregard cost cannot guarantee that teaching required for all categories with Quantity;Second, existing equipment can not unite medicine principle with principle of instrument, it is impossible to realize medical instrument well Teaching;If third, waste and old or superseded instrument is brought up into classroom, obviously it cannot be guaranteed that the advance of the structure of knowledge and reality The property used.

It is excessively poor in the domestic existing properties of product of instruments used for education function aspects, medical science is not closely connected with instrument, Particularly in terms of Biomedical Instruments.Biomedical Instruments is closed, only gives result, not the phenomenon to internal structure, allows same Learn can not raw doctor's signal detection formation mechenism, the understanding to bio signal lacks sense organ forming process.For learning special instrument Classmate, if without specific application background, cannot preferably research and develop high-level instrument.

The content of the invention

There is provided a kind of Biomedical Instruments comprehensive test instrument in view of the shortcomings of the prior art by the present invention.

The present invention include be connected with MCU system module LCD MODULE, clock module, AD D/A module, EEPOM moulds Block, RS232 communication modules, matrix keyboard input module, numeral method module, pulses measure module, heart sound measurement module, the heart Electrical measuring module, blood pressure measurement module, respiration measurement module and measurement of bldy temperature module.

The MCU system module uses chip 12C5A60S2.

The pulses measure module includes HK-2000A pulse transducers, COBBAIF J1, the first chip LM324, decoupling Electric capacity C1, row's pin JP5.HK-2000A pulse transducers are accessed by COBBAIF J1, and first pin of COBBAIF J1 connects power supply VCC, second pin connects the first chip LM324 the 3rd pin, and the 3rd pin is with connecing power supply.Mono- pin of decoupling capacitor C1 connects power supply VCC, another pin is with connecing power supply.First pin of chip LM324 second are connected with first pin, and the 4th pin meets power supply VCC, the 11 pin are with connecing power supply.Single mono- pin of pin JP5 connects the first chip LM324 first pin, and another pin connects chip 12C5A60S2 P3.2 mouths.

The heart sound measurement module includes HKY-06B heart sound transducers, COBBAIF J2, the second chip LM324, decoupling electricity Hold C2, filter capacitor C4, C5, capacitance C3, pull down resistor R6, single pin JP6.HKY-06B heart sound transducers pass through audio Interface J2 is accessed, and first pin of COBBAIF J2 meets power supply VCC, and second pin connects an electric capacity C3 pin, and electric capacity C3's is another Pin connects the second chip LM324 the 3rd pin, and the 3rd pin of COBBAIF J2 is with connecing power supply.Mono- pin of decoupling capacitor C2 connects electricity Source VCC, another pin is with connecing power supply.Second pin of chip LM324 second are connected with first pin, and the 4th pin meets power supply VCC, 11st pin is with connecing power supply.Single mono- pin of pin JP6 connects the second chip LM324 first pin, and another pin connects chip 12C5A60S2 P1.1 mouths.Mono- pin of filter capacitor C4 connects COBBAIF J2 second pin, and another pin with connecing power supply, is filtered Mono- pin of ripple electric capacity C5 runs in pin JP6 second pin, and another pin is with connecing power supply.Mono- pin of pull down resistor R6 connects the second chip LM324 the 3rd pin, another pin is with connecing power supply.

The electrocardio measurement module include HKD-10B EGC sensors, chip U8,12M crystal oscillator Y1, resonant capacitance C10, C11, decoupling capacitor C13, C14, current-limiting resistance R10, R11, pull-up resistor R12, COBBAIF J3, double-row needle JP8.HKD-10B EGC sensor is accessed by double-row needle JP8, and first pin of double-row needle JP8 and second pin meet power supply VCC, the 3rd pin order P3.0 mouthfuls of piece machine, the 5th pin connects P3.1 mouthfuls of single-chip microcomputer, and the 4th pin connects chip U8 first pin, and the 5th pin meets chip U8 The 5th pin, the 7th pin and the 8th pin are with connecing power supply.The 28th pin of chip U8 connects crystal oscillator Y1 one end, the 20th Seven pin connect the crystal oscillator Y1 other end, the 25th pin of chip U8, the 26th pin, the 21st pin, the 18th With connecing power supply, the 20th pin meets power supply VCC to pin.Mono- pin of current-limiting resistance R10 connects chip U8 the 16th pin, another pin Connect COBBAIF J3 second pin.Mono- pin of current-limiting resistance R11 connects chip U8 the 15th pin, and another pin connects audio and connect Mouth J3 the 3rd pin.The chip termination U8 of pull-up resistor R12 mono- the 17th pin, another termination meets the 3rd of COBBAIF J3 Pin.Mono- pin of resonant capacitance C10 connects chip U8 the 28th pin, and another pin is with connecing power supply.Resonant capacitance C11 mono- Pin connects chip U8 the 27th pin, and another pin is with connecing power supply.Mono- pin of electric capacity C13 connects chip U8 the 17th pin, Another pin is with connecing power supply.Electric capacity C14 positive poles connect chip U8 the 17th pin, negative pole with connecing power supply, the chip U8 models For PL2303HX.

The blood pressure measurement module include HKB-08 blood pressure sensors, chip U7,12M crystal oscillator Y0, resonant capacitance C6, C7, Decoupling capacitor C8, C9, current-limiting resistance R7, R8, pull-up resistor R9, USB interface USB1, double-row needle JP7.HKB-08 blood pressure sensors Accessed by double-row needle JP7, first pin of double-row needle JP7 and second pin meet power supply VCC, and the 3rd pin meets single-chip microcomputer P3.0 Mouthful, the 5th pin connects P3.1 mouthfuls of single-chip microcomputer, and the 4th pin connects chip U7 first pin, and the 5th pin meets the 5th of chip U7 Pin, the 7th pin and the 8th pin are with connecing power supply.The 28th pin of chip U7 connects crystal oscillator Y0 one end, and the 27th pin connects The crystal oscillator Y0 other end, the 25th pin of chip U7, the 26th pin, the 21st pin, the 18th pin connect power supply Ground, the 20th pin meets power supply VCC.Mono- pin of current-limiting resistance R7 connects chip U7 the 16th pin, another pin USB interface USB1 second pin.Mono- pin of current-limiting resistance R8 connects chip U7 the 15th pin, and another pin connects USB interface USB1's D-.The chip termination U7 of pull-up resistor R9 mono- the 17th pin, another termination meets USB interface USB1 D+.Resonant capacitance C6 mono- Pin connects chip U7 the 28th pin, and another pin is with connecing power supply.Mono- pin of resonant capacitance C7 connects the 20th of chip U7 Seven pin, another pin is with connecing power supply.Mono- pin of electric capacity C8 connects chip U7 the 17th pin, and another pin is with connecing power supply.Electricity Hold C9 positive poles and connect chip U7 the 17th pin, negative pole with connecing power supply, the chip U7 models PL2303HX.

The respiration measurement module include HKH-11C respiratory wave sensors, chip U9,12M crystal oscillator Y2, resonant capacitance C15, C16, decoupling capacitor C17, C18, current-limiting resistance R13, R14, pull-up resistor R5, USB interface USB2, double-row needle JP9.HKH-11C Respiratory wave sensor is accessed by double-row needle JP9, and first pin of double-row needle JP9 and second pin meet power supply VCC, and the 3rd pin connects P3.0 mouthfuls of single-chip microcomputer, the 5th pin connects P3.1 mouthfuls of single-chip microcomputer, and the 4th pin connects chip U9 first pin, and the 5th pin connects chip U9 the 5th pin, the 7th pin and the 8th pin are with connecing power supply.The 28th pin of chip U9 connects crystal oscillator Y2 one end, second 17 pin connect the crystal oscillator Y2 other end, the 25th pin of chip U9, the 26th pin, the 21st pin, the 18th With connecing power supply, the 20th pin meets power supply VCC for pin.Mono- pin of current-limiting resistance R13 connects chip U9 the 16th pin, another Pin USB interface USB2 D-.Mono- pin of current-limiting resistance R14 connects chip U9 the 15th pin, and another pin meets USB interface USB2 D+.The chip termination U9 of pull-up resistor R15 mono- the 17th pin, another termination meets USB interface USB2 D+.Resonant capacitance Mono- pin of C15 connects chip U9 the 28th pin, and another pin is with connecing power supply.Mono- pin of resonant capacitance C16 connects chip U9's 27th pin, another pin is with connecing power supply.Mono- pin of electric capacity C17 connects chip U9 the 17th pin, and another pin connects electricity Source.Electric capacity C18 positive poles connect chip U9 the 17th pin, negative pole with connecing power supply, the chip U9 models PL2303HX.

The measurement of bldy temperature module, including body temperature sensing chip 18B20, pull-up resistor R16, single pin JP10.Body temperature is passed First pin of sense chip 18B20 meets VCC, second pin order row's pin JP10 first pin, body temperature sensing chip 18B20 the 3rd Pin is with connecing power supply.The termination power VCC of resistance R16 mono-, another terminal body temperature sensing chip 18,B20 second pin, row's pin is another One chip termination 12C5A60S2 P3.3 mouths.

Beneficial effects of the present invention:Whole system of the present invention is using 51 series monolithic 12C5A60S2 as control chip, to insert Physiological signal sensor is accessed Signal-regulated kinase by the mode pulled out, and single-chip microcomputer gathers these signals, and it is included in liquid crystal On screen.Circuit of the present invention is simple, in modularized design, by toggle switch and can be inserted for module user involved in system The mode for pulling out jump cap selects the module for needing to learn to use, and facilitates daily teaching and management.

Brief description of the drawings

Fig. 1 is system architecture diagram of the invention;

Fig. 2 is LCD MODULE of the invention;

Fig. 3 is clock module of the invention;

Fig. 4 for the present invention AD D/A module;

Fig. 5 is EEPOM modules of the invention;

Fig. 6 is RS232 communication modules of the invention;

Fig. 7 is matrix keyboard input module of the invention;

Fig. 8 is numeral method module of the invention;

Fig. 9 is MCU system module of the invention;

Figure 10 is pulses measure module of the invention;

Figure 11 is heart sound measurement module of the invention;

Figure 12 is electrocardio measurement module of the invention;

Figure 13 is blood pressure measurement module of the invention;

Figure 14 is respiration measurement module of the invention;

Figure 15 is measurement of bldy temperature module of the invention.

Embodiment

Specific description is done to modules in the present invention below in conjunction with the accompanying drawings.

As shown in figure 1, the present embodiment include LCD MODULE, clock module, AD D/A module, EEPROM module, RS232 communication modules, Keysheet module, digital tube module, MCU system module, pulses measure module, electrocardio measurement module, heart sound Measurement module, measurement of bldy temperature module, blood pressure measurement module, respiration measurement module.Pulses measure module, electrocardio measurement module, the heart Sound measurement module, measurement of bldy temperature module, blood pressure measurement module, respiration measurement module will be gathered as physiological signal collection front end MCU system module is sent to by I/O port to signal, MCU system module is after treatment in LCD MODULE or digital pipe die On block show, can also be communicated by RS232 communication modules with host computer, clock module, EEPROM module, AD D/A module, key Disk module as MCU system module peripheral circuit.

It is illustrated in figure 2 LCD MODULE, including liquid crystal JM12864M-2 modules, the 1 of liquid crystal JM12864M-2 modules Pin is grounded, and 2 pin of liquid crystal JM12864M-2 modules connect VCC power supplys, the 15 pin connection liquid crystal of liquid crystal JM12864M-2 modules 16 pin of JM12864M-2 modules are to VCC power supplys.

It is illustrated in figure 3 clock module, including the first clock chip U1, decoupling capacitor Cd1, the first pull-up resistor Rd1, Two pull-up resistor Rd2, the 3rd pull-up resistor Rd3, the first clock crystal oscillator X1, double-row needle JP2, the first clock chip U1 are used DS1302 chips, the double-row needle JP2 uses Header 2x4.

First clock chip U1 1 pin connection decoupling capacitor Cd1 one end, the first pull-up resistor Rd1 one end, on second 7 pin of pull-up resistor Rd2 one end, the 3rd pull-up resistor Rd3 one end and double-row needle JP2, the first clock chip U1 2 pin connection First clock crystal oscillator X1 one end, the first clock chip U1 3 pin connect the first clock crystal oscillator X1 other end, the first clock core The piece U1 4 pin connection decoupling capacitor Cd1 other end is to ground, and the first pull-up resistor Rd1 other end connects the 5 of double-row needle JP2 5 pin of pin, the first clock chip U1, the second pull-up resistor Rd2 other end connection double-row needle JP2 3 pin, the first clock chip U1 6 pin, the 3rd pull-up resistor Rd3 other end connection double-row needle JP2 1 pin, the first clock chip U1 7 pin, double-row needle JP2 8 pin connect VCC power supplys.

Be illustrated in figure 4 AD D/A module, including the second chip U2, the 3rd chip U3, the first decoupling capacitor C1, second go It is coupling electric capacity C2, resistance R1, potentiometer R2, resistance R3, resistance R4, resistance R5, the first LED DS1, row pin P1, row's pin P2, double Pin JP3, the second chip U2 use TLC5615 chips, and the 3rd chip U3 uses TLV1549 chips, described double Row pin JP3 uses Header 7X2.

Second chip U2 1 pin connection double-row needle JP3 1 pin, the second chip U2 2 pin connection double-row needle JP3 3 pin, Second chip U2 3 pin connection double-row needle JP3 5 pin, the second chip U2 5 pin ground connection, the second chip U2 6 pin connection resistance R4 one end, resistance R5 one end, resistance R5 another termination VCC power supplys, the resistance R4 other end connect the first LED DS1 Negative pole to ground, the first LED DS1 positive pole connection resistance R3 one end, resistance R3 other end connection row's pin P1 2 pin, 1 pin for arranging pin P1 connects the second chip U2 7 pin, and the second chip U2 the first decoupling capacitor C1 of 8 pin connection one end, second go Coupling electric capacity C2 one end, the 3rd chip U3 8 pin, the 3rd chip U3 1 pin, resistance R1 one end to double-row needle JP3 13 pin, First decoupling capacitor C1 the second decoupling capacitor of another termination C2 other end is to ground, and the 3rd chip U3 2 pin run in the 1 of pin P2 Pin, row's pin P2 2 pin connect potentiometer R2 sliding end, and potentiometer R2 one end connects the resistance R1 other end, potentiometer R2's The other end is grounded, and the 3rd chip U3 3 pin connect the 3rd chip U3 4 pin to ground, and the 3rd chip U3 5 pin connect double-row needle JP3 11 pin, the 3rd chip U3 6 pin connection double-row needle JP3 9 pin, the 7 of the 3rd chip U3 7 pin connection double-row needle JP3 Pin, double-row needle JP3 14 pin connect VCC power supplys.

It is illustrated in figure 5 EEPROM module, including fourth chip U4, the 3rd decoupling capacitor C3, double-row needle JP4, described Four chip U4 use AT24C02 chips, and double-row needle JP4 uses Header 3X2.

Fourth chip U4 1 pin connection fourth chip U4 2 pin, 3 pin, 4 pin, the 3rd decoupling capacitor C3 one end to, Fourth chip U4 5 pin connection double-row needle JP4 5 pin, fourth chip U4 6 pin connection double-row needle JP4 3 pin, fourth chip U4 7 pin ground connection, fourth chip U4 8 pin connection double-row needle JP4 1 pin, the 3rd decoupling capacitor C3 other end, double-row needle JP4 2 pin connect VCC power supplys.

It is illustrated in figure 6 RS232 communication modules, including chip MAX232, nine needles serial port J0, electric capacity C24, electric capacity C25, electricity Hold C26, electric capacity C27, electric capacity C28, double-row needle JP11.

Chip MAX232 1 pin connection electric capacity C24 one end, the chip MAX232 3 pin connection electric capacity C24 other end, Chip MAX232 4 pin connection electric capacity C25 one end, the chip MAX232 5 pin connection electric capacity C25 other end, chip MAX232 2 pin connection electric capacity C27 one end, electric capacity C27 other end connection electric capacity C28 one end, the 16 of chip MAX232 Pin is to VCC power supplys, and the electric capacity C28 other end is grounded, chip MAX232 11 pin connection double-row needle JP11 4 pin, chip MAX232 12 pin connection double-row needle JP11 6 pin, chip MAX232 15 pin ground connection, chip MAX232 6 pin meet electric capacity C26 One end, electric capacity C26 other end connection nine needles serial port J0 5 pin to ground, chip MAX232 13 pin connect nine needles serial port J0 3 pin, chip MAX232 14 pin connection nine needles serial port J0 2 pin, double-row needle JP11 2 pin connect VCC power supplys, double-row needle JP11 7 pin ground connection, double-row needle JP11 8 pin ground connection, double-row needle JP11 1 pin connects VCC power supplys.

It is illustrated in figure 7 matrix keyboard input module, including button S0, button S1, button S2, button S3, button S4, presses Key S5, button S6, button S7, button S8, button S9, button S10, button S11, button S12, button S13, button S14, button S15, double-row needle JP1, row pin P3, double-row needle JP1 use Header 2X8.

Double-row needle JP1 1 pin connection button S0 one end, button S4 one end, button S8 one end, the one of button S12 End, double-row needle JP1 3 pin connection button S1 one end, button S5 one end, button S9 one end, button S13 one end are double 5 pin for arranging pin JP1 connect button S2 one end, button S6 one end, button S10 one end, button S14 one end, double-row needle JP1 7 pin connection button S3 one end, button S7 one end, button S11 one end, button S15 one end, double-row needle JP1's The 9 pin connection button S0 other end, the button S1 other end, the button S2 other end, the button S3 other end are to arranging the 1 of pin P3 Pin, row's pin P3 2 pin are connected to ground, the double-row needle JP1 11 pin connection button S4 other end, the button S5 other end, button The S6 other end, the button S7 other end, double-row needle JP1 13 pin connect the button S8 other end, the button S9 other end, pressed The key S10 other end, the button S11 other end, the double-row needle JP1 15 pin connection button S12 other end, button S13 it is another One end, the button S14 other end, the button S15 other end.

It is illustrated in figure 8 numeral method module, including common cathode charactron LED-8, current-limiting resistance RS1, current-limiting resistance RS2, current-limiting resistance RS3, current-limiting resistance RS4, NPN triode Q0, NPN triode Q1, NPN triode Q2, NPN triode Q3, Single pin P4, double-row needle JP12.

Double-row needle JP12 1 pin connection current-limiting resistance RS1 one end, current-limiting resistance RS1 other end connection NPN triode Q0 colelctor electrode, double-row needle JP12 3 pin connection current-limiting resistance RS2 one end, current-limiting resistance RS2 other end connection NPN tri- Pole pipe Q1 colelctor electrode, double-row needle JP12 5 pin connection current-limiting resistance RS3 one end, current-limiting resistance RS3 other end connection NPN triode Q2 colelctor electrode, double-row needle JP12 7 pin connection current-limiting resistance RS4 one end, the current-limiting resistance RS4 other end Connection NPN triode Q3 colelctor electrode, an emitter stage of NPN triode Q0 emitter stage connection NPN triode Q1, 1 pin of a NPN triode Q2 emitter stage, a NPN triode Q3 emitter stage to single pin P4, single pin P4 2 pin Ground connection, NPN triode Q0 another emitter stage connection common cathode charactron LED-8 12 pin, another hair of NPN triode Q1 Emitter-base bandgap grading connection common cathode charactron LED-8 9 pin, the 8 of NPN triode Q2 another emitter stage connection common cathode charactron LED-8 Pin, NPN triode Q3 another emitter stage connection common cathode charactron LED-8 6 pin, double-row needle JP12 9 pin connection common cathode Charactron LED-8 11 pin, double-row needle JP12 11 pin connection common cathode charactron LED-8 7 pin, double-row needle JP12 13 pin connect Common cathode charactron LED-8 4 pin are connect, double-row needle JP12 15 pin connect common cathode charactron LED-8 2 pin, double-row needle JP12's 17 pin connection common cathode charactron LED-8 1 pin, double-row needle JP12 19 pin connection common cathode charactron LED-8 10 pin, double-row needle JP12 21 pin connection common cathode charactron LED-8 5 pin, double-row needle JP12 23 pin connection common cathode charactron LED-8 3 pin.

It is illustrated in figure 9 MCU system module, including chip 12C5A60S2, exclusion R20, current-limiting resistance R18, divider resistance R17, divider resistance R19, reset key RES, storage capacitor C29, resonant capacitance C30, resonant capacitance C31, power supply indicator DS2,12M crystal oscillator X2.

Chip 12C,5A6,0S2 1 pin connects 6 pin of liquid crystal JM12864M-2 modules, chip 12C,5A6,0S2 2 pin connection 7 pin of liquid crystal JM12864M-2 modules, chip 12C,5A6,0S2 3 pin connect 8 pin of liquid crystal JM12864M-2 modules, chip 12C5A60S2 4 pin connect 9 pin of liquid crystal JM12864M-2 modules, chip 12C,5A6,0S2 5 pin connection liquid crystal JM12864M- 10 pin of 2 modules, chip 12C,5A6,0S2 6 pin connect 11 pin of liquid crystal JM12864M-2 modules, chip 12C,5A6,0S2 7 pin 12 pin of liquid crystal JM12864M-2 modules are connected, chip 12C,5A6,0S2 8 pin connect 13 pin of liquid crystal JM12864M-2 modules, Chip 12C,5A6,0S2 9 pin connection divider resistance R17 one end, divider resistance R19 one end, the divider resistance R17 other end Connect reset key RES one end, reset key RES other end connection storage capacitor C29 one end to VCC power supplys, partial pressure The resistance R19 other end connects the storage capacitor C29 other end to ground, chip 12C,5A6,0S2 10 pin connection double-row needle JP1's 2 pin, chip 12C,5A6,0S2 11 pin connection double-row needle JP1 4 pin, the 6 of chip 12C,5A6,0S2 12 pin connection double-row needle JP1 Pin, chip 12C,5A6,0S2 13 pin connection double-row needle JP1 8 pin, the 10 of chip 12C,5A6,0S2 14 pin connection double-row needle JP1 Pin, chip 12C,5A6,0S2 15 pin connection double-row needle JP1 12 pin, chip 12C,5A6,0S2 16 pin connection double-row needle JP1's 14 pin, chip 12C,5A6,0S2 17 pin connection double-row needle JP1 16 pin, chip 12C,5A6,0S2 18 pin connection 12M crystal oscillators X2 One end, resonant capacitance C31 one end, the chip 12C,5A6,0S2 19 pin connection 12M crystal oscillators X2 other end, resonant capacitance C30 One end, the resonant capacitance C30 other end, the resonant capacitance C31 other end, chip 12C,5A6,0S2 20 pin, power supply indicator DS2 negative pole is connected and is grounded, power supply indicator DS2 positive pole connection current-limiting resistance R18 one end, and current-limiting resistance R18's is another One end connects VCC power supplys, and chip 12C,5A6,0S2 32 pin run in resistance R20 9 pin, and chip 12C,5A6,0S2 33 pin run in resistance R20 8 pin, chip 12C,5A6,0S2 34 pin, which run in, hinders R20 7 pin, and chip 12C,5A6,0S2 35 pin, which run in, hinders R20 6 pin, Chip 12C,5A6,0S2 36 pin, which run in, hinders R20 5 pin, and chip 12C,5A6,0S2 37 pin, which run in, hinders R20 4 pin, chip 12C5A60S2 38 pin, which run in, hinders R20 3 pin, and chip 12C,5A6,0S2 39 pin, which run in, hinders R20 2 pin, chip 12C5A60S2 40 pin run in resistance R20 1 pin to VCC power supplys.

As shown in Figure 10 be pulses measure module, including HK-2000A pulse transducers, COBBAIF J1, chip LM324, Decoupling capacitor C1, row's pin JP5, HK-2000A pulse transducer access circuit by COBBAIF J1, and COBBAIF J1 1 pin connects Power supply VCC, COBBAIF J1 2 pin connect chip LM324 3 pin, COBBAIF J1 3 pin ground connection, decoupling capacitor C1 one end Connect power supply VCC, decoupling capacitor C1 other end ground connection, chip LM324 2 pin and chip LM324 1 pin, row's pin JP5 1 pin It is connected, chip LM324 4 pin meet power supply VCC, and chip LM324 11 pin ground connection, row's pin JP5 2 pin meet chip 12C5A60S2 P3.2 mouths.

As shown in figure 11 be heart sound measurement module, including HKY-06B heart sound transducers, COBBAIF J2, chip LM324, Decoupling capacitor C2, electric capacity C3, filter capacitor C4, filter capacitor C5, capacitance C3, pull down resistor R6, single pin JP6.

HKY-06B heart sound transducers access circuit by COBBAIF J2, and COBBAIF J2 1 pin meets power supply VCC, audio Interface J2 2 pin connect electric capacity C3 one end, filter capacitor C4 one end, electric capacity C3 another termination pull down resistor R6 one end, Chip LM324 3 pin, the pull down resistor R6 other end connection filter capacitor C4 other end to, COBBAIF J2 3 pin connect Ground, chip LM324 4 pin connect VCC power supplys, and chip LM324 2 pin connect chip LM324 1 pin, single pin JP6 1 pin, chip LM324 11 pin ground connection, single pin JP6 2 pin connect filter capacitor C5 one end, filter capacitor C5 other end ground connection, decoupling An electric capacity C2 termination VCC power supplys, decoupling capacitor C2 other end ground connection.

It is as shown in figure 12 electrocardio measurement module, including HKD-10B electrocardios module, chip U8,12M crystal oscillator Y1, resonance electricity Hold C10, resonant capacitance C11, decoupling capacitor C13, decoupling capacitor C14, current-limiting resistance R10, current-limiting resistance R11, pull-up resistor R12, COBBAIF J3, double-row needle JP8, chip U8 use PL2303HX.

Double-row needle JP8 1 pin and 2 pin meets power supply VCC, and double-row needle JP8 3 pin connect chip 12C,5A6,0S2 10 pin, double Pin JP8 5 pin connect chip 12C,5A6,0S2 11 pin, and double-row needle JP8 7 pin ground connection, double-row needle JP8 4 pin connect the 1 of chip U8 Pin, double-row needle JP8 6 pin connect chip U8 5 pin, double-row needle JP8 8 pin ground connection, chip U8 7 pin ground connection, the 15 of chip U8 Pin connects current-limiting resistance R11 one end, and the current-limiting resistance R11 other end connects pull-up resistor R12 one end, COBBAIF J3 3 pin, Chip U8 16 pin connect current-limiting resistance R10 one end, current-limiting resistance R10 another termination COBBAIF J3 2 pin, chip U8's 17 pin connect the pull-up resistor R12 other end, decoupling capacitor C13 one end, decoupling capacitor C14 one end to power supply VCC, decouple electricity Hold the C13 other end, the decoupling capacitor C14 other end and be connected to ground, chip U8 18 pin, chip U8 21 pin, chip U8 25 pin, chip U8 26 pin, resonant capacitance C11 one end, resonant capacitance C10 one end connect and are grounded, chip U8 27 pin Connect 12M crystal oscillators Y1 one end, the resonant capacitance C11 other end, it is the chip U8 28 pin connection 12M crystal oscillators Y1 other end, humorous Shake the electric capacity C10 other end.

It is as shown in figure 13 blood pressure measurement module, including HKB-08 blood pressure modules, chip U7,12M crystal oscillator Y0, resonant capacitance C6, resonant capacitance C7, decoupling capacitor C8, decoupling capacitor C9, current-limiting resistance R7, current-limiting resistance R8, pull-up resistor R9, USB interface USB1, double-row needle JP7, chip U7 use PL2303HX.

Double-row needle JP7 1 pin and 2 pin meets power supply VCC, and double-row needle JP7 3 pin connect chip 12C,5A6,0S2 10 pin, double Pin JP7 5 pin connect chip 12C,5A6,0S2 11 pin, and double-row needle JP7 7 pin ground connection, double-row needle JP7 4 pin connect the 1 of chip U7 Pin, double-row needle JP7 6 pin connect chip U7 5 pin, double-row needle JP7 8 pin ground connection, chip U7 7 pin ground connection, the 15 of chip U7 Pin connects current-limiting resistance R8 one end, and the current-limiting resistance R8 other end connects pull-up resistor R9 one end, USB interface USB1 D+ pin, Chip U7 16 pin connect current-limiting resistance R7 one end, current-limiting resistance R7 another termination USB interface USB1 D- pin, chip U7's 17 pin connect the pull-up resistor R9 other end, decoupling capacitor C8 one end, decoupling capacitor C9 one end to power supply VCC, decoupling capacitor The C8 other end, the decoupling capacitor C9 other end be connected to ground, chip U7 18 pin, chip U7 21 pin, chip U7 25 pin, Chip U7 26 pin, resonant capacitance C7 one end, resonant capacitance C6 one end connect and are grounded, chip U7 27 pin connection 12M Crystal oscillator Y0 one end, the resonant capacitance C7 other end, the chip U7 28 pin connection 12M crystal oscillators Y0 other end, resonant capacitance C6 The other end.

It is respiration measurement module as shown in figure 14, including it is HKH-11C respiratory wave sensors, chip U9,12M crystal oscillator Y2, humorous Shake electric capacity C15, resonant capacitance C16, decoupling capacitor C17, decoupling capacitor C18, current-limiting resistance R13, current-limiting resistance R14, pull-up electricity R5, USB interface USB2, double-row needle JP9 are hindered, chip U9 uses PL2303HX chips.

Double-row needle JP9 1 pin and 2 pin meets power supply VCC, and double-row needle JP9 3 pin connect chip 12C,5A6,0S2 10 pin, double Pin JP9 5 pin connect chip 12C,5A6,0S2 11 pin, and double-row needle JP9 7 pin ground connection, double-row needle JP9 4 pin connect the 1 of chip U9 Pin, double-row needle JP9 6 pin connect chip U9 5 pin, double-row needle JP9 8 pin ground connection, chip U9 7 pin ground connection, the 15 of chip U9 Pin connects current-limiting resistance R14 one end, and the current-limiting resistance R14 other end connects pull-up resistor R15 one end, USB interface USB2 D+ Pin, chip U9 16 pin connect current-limiting resistance R13 one end, current-limiting resistance R13 another termination USB interface USB1 D- pin, core Piece U9 17 pin connect the pull-up resistor R15 other end, decoupling capacitor C17 one end, decoupling capacitor C18 one end to power supply VCC, The decoupling capacitor C17 other end, the decoupling capacitor C18 other end are connected to ground, chip U9 18 pin, chip U9 21 pin, core Piece U9 25 pin, chip U9 26 pin, resonant capacitance C16 one end, resonant capacitance C15 one end connect and are grounded, chip U9 27 pin connection 12M crystal oscillators Y2 one end, the resonant capacitance C16 other end, chip U9 28 pin connection 12M crystal oscillators Y2's is another End, the resonant capacitance C15 other end.

It is as shown in figure 15 measurement of bldy temperature module, including chip 18B20, pull-up resistor R16, single pin JP10.Chip 18B20 1 pin connects pull-up resistor R16 one end to power supply VCC, and chip 18,B20 2 pin orders row's pin JP10 1 pin, pull-up are electric The R16 other end is hindered, chip 18,B20 3 pin ground connection, single pin JP10 2 pin connect chip 12C5A60S2 P3.3 mouths.

Claims (1)

1. Biomedical Instruments comprehensive test instrument, including be connected with MCU system module LCD MODULE, clock module, AD D/A module, EEPOM modules, RS232 communication modules, matrix keyboard input module, numeral method module, pulses measure module, Heart sound measurement module, electrocardio measurement module, blood pressure measurement module, respiration measurement module and measurement of bldy temperature module, it is characterised in that:
The MCU system module uses chip 12C5A60S2;
The pulses measure module includes HK-2000A pulse transducers, COBBAIF J1, the first chip LM324, decoupling capacitor C1, row's pin JP5;HK-2000A pulse transducers are accessed by COBBAIF J1, and first pin of COBBAIF J1 meets power supply VCC, Second pin connects the first chip LM324 the 3rd pin, and the 3rd pin is with connecing power supply;Mono- pin of decoupling capacitor C1 meets power supply VCC, Another pin is with connecing power supply;First pin of chip LM324 second are connected with first pin, and the 4th pin meets power supply VCC, the 11st Pin is with connecing power supply;Single mono- pin of pin JP5 connects the first chip LM324 first pin, and another pin meets chip 12C5A60S2 P3.2 mouths;
The heart sound measurement module includes HKY-06B heart sound transducers, COBBAIF J2, the second chip LM324, decoupling capacitor C2, filter capacitor C4, C5, capacitance C3, pull down resistor R6, single pin JP6;HKY-06B heart sound transducers are connect by audio Mouth J2 accesses, first pin of COBBAIF J2 meets power supply VCC, and second pin connects an electric capacity C3 pin, electric capacity C3 another Pin connects the second chip LM324 the 3rd pin, and the 3rd pin of COBBAIF J2 is with connecing power supply;Mono- pin of decoupling capacitor C2 connects power supply VCC, another pin is with connecing power supply;Second pin of chip LM324 second are connected with first pin, and the 4th pin meets power supply VCC, the 11 pin are with connecing power supply;Single mono- pin of pin JP6 connects the second chip LM324 first pin, and another pin connects chip 12C5A60S2 P1.1 mouths;Mono- pin of filter capacitor C4 connects COBBAIF J2 second pin, and another pin with connecing power supply, is filtered Mono- pin of ripple electric capacity C5 runs in pin JP6 second pin, and another pin is with connecing power supply;Mono- pin of pull down resistor R6 connects the second chip LM324 the 3rd pin, another pin is with connecing power supply;
The electrocardio measurement module includes HKD-10B EGC sensors, and chip U8,12M crystal oscillator Y1, resonant capacitance C10, C11 are gone Coupling electric capacity C13, C14, current-limiting resistance R10, R11, pull-up resistor R12, COBBAIF J3, double-row needle JP8;HKD-10B electrocardios are passed Sensor is accessed by double-row needle JP8, and first pin of double-row needle JP8 and second pin meet power supply VCC, and the 3rd pin connects single-chip microcomputer P3.0 mouthfuls, the 5th pin connects P3.1 mouthfuls of single-chip microcomputer, and the 4th pin connects chip U8 first pin, and the 6th pin connects the of chip U8 Five pin, the 7th pin and the 8th pin are with connecing power supply;The 28th pin of chip U8 connects crystal oscillator Y1 one end, the 27th Pin connects the crystal oscillator Y1 other end, and the 25th pin of chip U8, the 26th pin, the 21st pin, the 18th pin connect Power supply, the 20th pin meets power supply VCC;Mono- pin of current-limiting resistance R10 connects chip U8 the 16th pin, and another pin connects sound Frequency interface J3 second pin;Mono- pin of current-limiting resistance R11 connects chip U8 the 15th pin, and another pin meets COBBAIF J3 The 3rd pin;The chip termination U8 of pull-up resistor R12 mono- the 17th pin, another termination meets the 3rd of COBBAIF J3 Pin;Mono- pin of resonant capacitance C10 connects chip U8 the 28th pin, and another pin is with connecing power supply;Mono- pin of resonant capacitance C11 Chip U8 the 27th pin is connect, another pin is with connecing power supply;Mono- pin of electric capacity C13 connects chip U8 the 17th pin, separately One pin is with connecing power supply;Electric capacity C14 positive poles connect chip U8 the 17th pin, negative pole with connecing power supply, the chip U8 models PL2303HX;
The blood pressure measurement module includes HKB-08 blood pressure sensors, chip U7,12M crystal oscillator Y0, resonant capacitance C6, C7, decoupling Electric capacity C8, C9, current-limiting resistance R7, R8, pull-up resistor R9, USB interface USB1, double-row needle JP7;HKB-08 blood pressure sensors pass through Double-row needle JP7 is accessed, and first pin of double-row needle JP7 and second pin meet power supply VCC, and the 3rd pin connects P3.0 mouthfuls of single-chip microcomputer, the Five pin connect P3.1 mouthfuls of single-chip microcomputer, and the 4th pin connects chip U7 first pin, and the 6th pin connects chip U7 the 5th pin, the Seven pin and the 8th pin are with connecing power supply;The 28th pin of chip U7 connects crystal oscillator Y0 one end, and the 27th pin connects crystal oscillator The Y0 other end, the 25th pin of chip U7, the 26th pin, the 21st pin, the 18th pin with connecing power supply, 20 pin meet power supply VCC;Mono- pin of current-limiting resistance R7 connects chip U7 the 16th pin, another pin USB interface USB1's Second pin;Mono- pin of current-limiting resistance R8 connects chip U7 the 15th pin, and another pin meets USB interface USB1 D-;Pull-up The chip termination U7 of resistance R9 mono- the 17th pin, another termination meets USB interface USB1 D+;Mono- pin of resonant capacitance C6 connects core Piece U7 the 28th pin, another pin is with connecing power supply;Mono- pin of resonant capacitance C7 connects chip U7 the 27th pin, separately One pin is with connecing power supply;Mono- pin of electric capacity C8 connects chip U7 the 17th pin, and another pin is with connecing power supply;Electric capacity C9 positive poles connect Chip U7 the 17th pin, negative pole with connecing power supply, the chip U7 models PL2303HX;
The respiration measurement module include HKH-11C respiratory wave sensors, chip U9,12M crystal oscillator Y2, resonant capacitance C15, C16, Decoupling capacitor C17, C18, current-limiting resistance R13, R14, pull-up resistor R5, USB interface USB2, double-row needle JP9;HKH-11C is breathed Wave sensor is accessed by double-row needle JP9, and first pin of double-row needle JP9 and second pin meet power supply VCC, the 3rd pin order piece P3.0 mouthfuls of machine, the 5th pin connects P3.1 mouthfuls of single-chip microcomputer, and the 4th pin connects chip U9 first pin, and the 6th pin connects chip U9's 5th pin, the 7th pin and the 8th pin are with connecing power supply;The 28th pin of chip U9 connects crystal oscillator Y2 one end, the 27th Pin connects the crystal oscillator Y2 other end, the 25th pin of chip U9, the 26th pin, the 21st pin, the 18th pin With connecing power supply, the 20th pin meets power supply VCC;Mono- pin of current-limiting resistance R13 connects chip U9 the 16th pin, and another pin connects USB interface USB2 D-;Mono- pin of current-limiting resistance R14 connects chip U9 the 15th pin, and another pin connects USB interface USB2's D+;The chip termination U9 of pull-up resistor R15 mono- the 17th pin, another termination meets USB interface USB2 D+;Resonant capacitance C15 One pin connects chip U9 the 28th pin, and another pin is with connecing power supply;Mono- pin of resonant capacitance C16 connects the second of chip U9 17 pin, another pin is with connecing power supply;Mono- pin of electric capacity C17 connects chip U9 the 17th pin, and another pin is with connecing power supply; Electric capacity C18 positive poles connect chip U9 the 17th pin, negative pole with connecing power supply, the chip U9 models PL2303HX;
The measurement of bldy temperature module, including body temperature sensing chip 18B20, pull-up resistor R16, single pin JP10;Body temperature senses core First pin of piece 18B20 meets VCC, second pin order row's pin JP10 first pin, the 3rd pin of body temperature sensing chip 18B20 With connecing power supply;The termination power VCC of resistance R16 mono-, another terminal body temperature sensing chip 18,B20 second pin arranges the pin other end Connect chip 12C5A60S2 P3.3 mouths.
CN201410176241.1A 2014-04-28 2014-04-28 Biomedical Instruments comprehensive test instrument CN103956098B (en)

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