CN103948376A - Wrist-type remote human pulse monitoring system - Google Patents
Wrist-type remote human pulse monitoring system Download PDFInfo
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- CN103948376A CN103948376A CN201410204803.9A CN201410204803A CN103948376A CN 103948376 A CN103948376 A CN 103948376A CN 201410204803 A CN201410204803 A CN 201410204803A CN 103948376 A CN103948376 A CN 103948376A
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Abstract
The invention relates to a wrist-type remote human pulse monitoring system. The wrist-type remote human pulse monitoring system adopts the technical scheme as follows: a signal output end 1a of a PVDF (polyvinylidene fluoride) pulse sensor (1) is connected with a signal input end 2a of a signal conditioning unit (2); pins of a singlechip (5) are correspondingly connected with the signal conditioning unit (2), a GPRS (general packet radio service) data transmission unit (3), a GPS (global positioning system) module (6), an SD card (7), an LCD (liquid crystal display) (8), an alarm button (9), a power module (10) and a serial clock chip (11); the GPRS data transmission unit (3) communicates with a PC (personal computer) (4) of a medical centre through a wireless network; and the PC (4) of the medical centre is installed with wrist-type remote human pulse monitoring software. The wrist-type remote human pulse monitoring system has the characteristics of small size, light weight, accurate measurement, high anti-interference capability, capability of performing wireless monitoring on human pulse, capability of acquiring the accurate position of a monitored person in real time, and capability of continuously working for a long time.
Description
Technical field
The invention belongs to human pulse Remote Monitoring Technology field.Be specifically related to a kind of wrist formula human pulse remote supervision system.
Background technology
In recent years, the attention with people to personal health, modern medical service pattern is changed to early prevention and diagnosis by clinical treatment.Human pulse contains abundant physiology and pathological information, have very closely and contact with the physiological and pathological state of cardiovascular system, pulse wave is carried out to long-term detection and diagnosis, health status and the variation tendency that can grasp in time custodial person, have great importance to the prevention of middle-aged and elderly people cardiovascular disease and diagnosis and treatment.
In recent decades, scholar both domestic and external is devoted to the research of human pulse monitoring system always, yet current existing human body pulse condition monitoring instrument adopts PC and industrial computer as waveform processing and display device more, due to factors such as volume, cost and ease for use, mostly use in patient's clinical diagnosis and treatment and rehabilitation nursing stage, and be not suitable for being generalized to community and family carries out long-term remote monitoring and wireless diagnostics to mid-aged population.
Summary of the invention
The present invention is intended to overcome above technological deficiency, object be to provide volume little, lightweight, measure accurately, capacity of resisting disturbance is strong, accurate location that can Real-time Obtaining custodial person and wrist formula human pulse remote supervision system that can long-term continuous operation.
For achieving the above object, the technical solution adopted in the present invention is: described wrist formula human pulse remote supervision system is comprised of PVDF pulse transducer, signal condition unit, GPRS data transmission unit, PC, single-chip microcomputer, GPS module, SD card, LCD, alarm button, power module and serial clock chip.
The signal input part 2a of signal condition unit is connected with the signal output part 1a of PVDF pulse transducer, and the signal output part 2b of signal condition unit is connected with the I/O mouth P6.2 of single-chip microcomputer, the pin PWR of GPRS data transmission unit, TXD, RXD successively with the I/O mouth P1.3 of single-chip microcomputer, pin URXD1, pin UTXD1 is corresponding to be connected, GPRS data transmission unit is by the PC communication of wireless network and medical centre, the pin RST of GPS module, TXD, RXD successively with the I/O mouth P2.2 of single-chip microcomputer, pin URXD0, pin UTXD0 is corresponding to be connected, the pin DAT3 of SD card, CMD, DAT0, CLK successively with the corresponding connection of I/O mouth P4.2-P4.5 of single-chip microcomputer, the FPDP DB0-DB7 of LCD successively with the corresponding connection of I/O mouth P3.0-P3.7 of single-chip microcomputer, the control port LCDE of LCD, RW, RS successively with the corresponding connection of I/O mouth P5.5-P5.7 of single-chip microcomputer, the outfan of alarm button is connected with the I/O mouth P1.4 of single-chip microcomputer, the outfan VCC of power module is connected with the I/O mouth P6.1 of single-chip microcomputer, the corresponding connection of I/O mouth P1.2, P1.3 of pin SCL, the SDA of serial clock chip and single-chip microcomputer.
The PC of medical centre is equipped with wrist formula human pulse remote monitoring software.
Described signal condition unit is by prime buffer circuit, for instrument, amplifying circuit, baseline restorer circuit, low pass filter, high pass filter and power frequency notch filter form.
The signal output part 12b of prime buffer circuit is connected with the signal input part 13a of amplifying circuit with instrument, instrument is connected with the signal output part 13b of amplifying circuit and the signal input part 14a of baseline restorer circuit, the signal output part 14b of baseline restorer circuit is connected with the signal input part 15a of low pass filter, the signal output part 15b of low pass filter is connected with the signal input part 16a of high pass filter, and the signal output part 16b of high pass filter is connected with the signal input part 17a of power frequency notch filter.
The signal input part 12a of prime buffer circuit is connected with the signal output part 1a of PVDF pulse transducer, and the signal output part 17b of power frequency notch filter is connected with the I/O mouth P6.2 of single-chip microcomputer.
Described GPRS data transmission unit is comprised of GPRS module, audio frequency output module, audio frequency input module, electrostatic defending module, SIM module, antenna and start button.
Pin SKPN, the SKPP of GPRS module and the corresponding connection of pin SKPN, the SKPP of audio frequency output module, pin MICN, the MICP of GPRS module and the corresponding connection of pin MICN, the MICP of audio frequency input module; Pin VCC, the RST of GPRS module, CLK, GND, DATA successively with the corresponding connection of pin SVCC, SRST, SCLK, SGND, SDAT of SIM module; The outfan of electrostatic defending module is connected with SIM module; GPRS module is connected with antenna by antenna connector; The outfan of start button is connected with the pin IGT of GPRS module.
Pin PWR, the TXD of GPRS module, RXD successively with the corresponding connection of I/O mouth P1.3, pin URXD1, UTXD1 of single-chip microcomputer.
The main flow of described wrist formula human pulse remote monitoring software is:
S-1: wrist formula human pulse remote monitoring software initialization;
S-2: receive custodial person's pulse data bag;
S-3: pulse data bag is decrypted and format conversion processing;
S-4: the data of pulse data bag are compared with the pulse frequency threshold values in user's pulse information data base, judge that whether pulse frequency is normal, if pulse frequency is normal, skip to S-7, if pulse frequency is undesired, carry out next step;
S-5: obtain custodial person's current location;
S-6: send early warning information;
S-7: storage data are to user's pulse information data base;
S-8: call cardiovascular disease analysis module, generate analysis report;
S-9: continue to wait for reception custodial person pulse data bag.
Owing to adopting technique scheme, the present invention compared with prior art, has following good effect:
Because human pulse signal has weak output signal, frequency is low, signal to noise ratio is low basic feature, and pulse signal is affected by the breathing of human body own, motion and extraneous power frequency interference etc., signal verity and accuracy are had relatively high expectations to the processing mode of the type selecting of sensor and signal conditioning circuit, the present invention selects PVDF pulse transducer, utilize that PVDF piezoelectric membrane piezoelectric constant is high, acoustic impedance is close with human body soft tissue, the frivolous pliable and tough feature that is suitable for skin, can extract required human pulse information in complete and accurate ground.This sensor internal structure is exquisite, lightweight and volume is little, can effectively reduce PVDF thin film because skin surface temperature changes the interference bringing, and makes measurement result accurate, and capacity of resisting disturbance is strong.
The present invention adopts GPRS module by wireless network, pulse data bag to be sent to the PC of medical centre, and the situation for medical centre remote reviewing and analysis custodial person, realizes the wireless monitor to human pulse.When the situations such as pulse frequency is abnormal appear in custodial person, monitoring equipment and medical centre can be sent early warning simultaneously, simultaneously by GPS module location custodial person, Real-time Obtaining custodial person's accurate location.
The present invention has adopted the integrated GPRS module of function height and GPS module, has also adopted super low power consuming single chip processor, serial clock chip and LCD, has not only guaranteed that the volume of monitoring system is little, lightweight and low in energy consumption, can also guarantee long time continuous working.
Therefore, the present invention have volume little, lightweight, measure accurately, capacity of resisting disturbance is strong, can realize wireless monitor, energy Real-time Obtaining custodial person's accurate location and the feature of energy long time continuous working to human pulse.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation of the present invention;
Fig. 2 is the structural representation of signal condition unit 2 in Fig. 1;
Fig. 3 is the structural representation of GPRS data transmission unit 3 in Fig. 1;
Fig. 4 is the main flow block diagram of wrist formula human pulse remote monitoring software of the present invention.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, the present invention will be further described, not the restriction to protection domain:
embodiment 1
A kind of wrist formula human pulse remote supervision system, described wrist formula human pulse remote supervision system as shown in Figure 1, is comprised of PVDF pulse transducer 1, signal condition unit 2, GPRS data transmission unit 3, PC 4, single-chip microcomputer 5, GPS module 6, SD card 7, LCD8, alarm button 9, power module 10 and serial clock chip 11.
As shown in Figure 1, the signal input part 2a of signal condition unit 2 is connected with the signal output part 1a of PVDF pulse transducer 1, and the signal output part 2b of signal condition unit 2 is connected with the I/O mouth P6.2 of single-chip microcomputer 5, the pin PWR of GPRS data transmission unit 3, TXD, RXD successively with the I/O mouth P1.3 of single-chip microcomputer 5, pin URXD1, pin UTXD1 is corresponding to be connected, GPRS data transmission unit 3 is by PC 4 communications of wireless network and medical centre, the pin RST of GPS module 6, TXD, RXD successively with the I/O mouth P2.2 of single-chip microcomputer 5, pin URXD0, pin UTXD0 is corresponding to be connected, the pin DAT3 of SD card 7, CMD, DAT0, CLK successively with the corresponding connection of I/O mouth P4.2-P4.5 of single-chip microcomputer 5, the FPDP DB0-DB7 of LCD8 successively with the corresponding connection of I/O mouth P3.0-P3.7 of single-chip microcomputer 5, the control port LCDE of LCD8, RW, RS successively with the corresponding connection of I/O mouth P5.5-P5.7 of single-chip microcomputer 5, the outfan of alarm button 9 is connected with the I/O mouth P1.4 of single-chip microcomputer 5, the outfan VCC of power module 10 is connected with the I/O mouth P6.1 of single-chip microcomputer 5, the corresponding connection of I/O mouth P1.2, P1.3 of pin SCL, the SDA of serial clock chip 11 and single-chip microcomputer 5.
The PC 4 of medical centre is equipped with wrist formula human pulse remote monitoring software.
Signal condition unit 2 described in the present embodiment as shown in Figure 2, by prime buffer circuit 12, for instrument, amplifying circuit 13, baseline restorer circuit 14, low pass filter 15, high pass filter 16 and power frequency notch filter 17 form.
As shown in Figure 2, the signal output part 12b of prime buffer circuit 12 is connected with the signal input part 13a of amplifying circuit 13 with instrument, instrument is connected with the signal output part 13b of amplifying circuit 13 and the signal input part 14a of baseline restorer circuit 14, the signal output part 14b of baseline restorer circuit 14 is connected with the signal input part 15a of low pass filter 15, the signal output part 15b of low pass filter 15 is connected with the signal input part 16a of high pass filter 16, and the signal output part 16b of high pass filter 16 is connected with the signal input part 17a of power frequency notch filter 17.
The signal input part 12a of prime buffer circuit 12 is connected with the signal output part 1a of PVDF pulse transducer 1, and the signal output part 17b of power frequency notch filter 17 is connected with the I/O mouth P6.2 of single-chip microcomputer 5.
GPRS data transmission unit 3 described in the present embodiment as shown in Figure 3, is comprised of GPRS module 18, audio frequency output module 19, audio frequency input module 20, electrostatic defending module 21, SIM module 22, antenna 23 and start button 24.
As shown in Figure 3, pin SKPN, the SKPP of GPRS module 18 and the corresponding connection of pin SKPN, the SKPP of audio frequency output module 19, pin MICN, the MICP of GPRS module 18 and the corresponding connection of pin MICN, the MICP of audio frequency input module 20; Pin VCC, the RST of GPRS module 18, CLK, GND, DATA successively with the corresponding connection of pin SVCC, SRST, SCLK, SGND, SDAT of SIM module 22; The outfan of electrostatic defending module 21 is connected with SIM module 22; GPRS module 18 is connected with antenna 23 by antenna connector; The outfan of start button 24 is connected with the pin IGT of GPRS module 18.
Pin PWR, the TXD of GPRS module 18, RXD successively with the corresponding connection of I/O mouth P1.3, pin URXD1, UTXD1 of single-chip microcomputer 5.
The main flow of the wrist formula human pulse remote monitoring software described in the present embodiment is as shown in Figure 4:
S-1: wrist formula human pulse remote monitoring software initialization;
S-2: receive custodial person's pulse data bag;
S-3: pulse data bag is decrypted and format conversion processing;
S-4: the data of pulse data bag are compared with the pulse frequency threshold values in user's pulse information data base, judge that whether pulse frequency is normal, if pulse frequency is normal, skip to S-7, if pulse frequency is undesired, carry out next step;
S-5: obtain custodial person's current location;
S-6: send early warning information;
S-7: storage data are to user's pulse information data base;
S-8: call cardiovascular disease analysis module, generate analysis report;
S-9: continue to wait for reception custodial person pulse data bag.
This specific embodiment compared with prior art, has following good effect:
Because human pulse signal has weak output signal, frequency is low, signal to noise ratio is low basic feature, and pulse signal is affected by the breathing of human body own, motion and extraneous power frequency interference etc., signal verity and accuracy are had relatively high expectations to the processing mode of the type selecting of sensor and signal conditioning circuit, this specific embodiment is selected PVDF pulse transducer 1, utilize that PVDF piezoelectric membrane piezoelectric constant is high, acoustic impedance is close with human body soft tissue, the frivolous pliable and tough feature that is suitable for skin, can extract required human pulse information in complete and accurate ground.1 internal structure of PVDF pulse transducer is exquisite, lightweight and volume is little, can effectively reduce PVDF thin film because skin surface temperature changes the interference bringing, and makes measurement result accurate, and capacity of resisting disturbance is strong.
This specific embodiment adopts GPRS module 18 by wireless network, pulse data bag to be sent to the PC 4 of medical centre, and the situation for medical centre remote reviewing and analysis custodial person, realizes the wireless monitor to human pulse.When the situations such as pulse frequency is abnormal appear in custodial person, monitoring equipment and medical centre can be sent early warning simultaneously, simultaneously by GPS module 6 location custodial persons, Real-time Obtaining custodial person's accurate location.
This specific embodiment has adopted the integrated GPRS module 18 of function height and GPS module 6, super low power consuming single chip processor 5, serial clock chip 11 and LCD8 have also been adopted, the volume of not only having guaranteed monitoring system is little, lightweight and low in energy consumption, can also guarantee long time continuous working.
Therefore, this specific embodiment have volume little, lightweight, measure accurately, capacity of resisting disturbance is strong, can realize wireless monitor, energy Real-time Obtaining custodial person's accurate location and the feature of energy long time continuous working to human pulse.
Claims (4)
1. a wrist formula human pulse remote supervision system, is characterized in that described wrist formula human pulse remote supervision system is by PVDF pulse transducer (1), signal condition unit (2), GPRS data transmission unit (3), PC (4), single-chip microcomputer (5), GPS module (6), SD card (7), LCD(8), alarm button (9), power module (10) and serial clock chip (11) form;
The signal input part 2a of signal condition unit (2) is connected with the signal output part 1a of PVDF pulse transducer (1), and the signal output part 2b of signal condition unit (2) is connected with the I/O mouth P6.2 of single-chip microcomputer (5), the pin PWR of GPRS data transmission unit (3), TXD, RXD successively with the I/O mouth P1.3 of single-chip microcomputer (5), pin URXD1, pin UTXD1 is corresponding to be connected, GPRS data transmission unit (3) is by PC (4) communication of wireless network and medical centre, the pin RST of GPS module (6), TXD, RXD successively with the I/O mouth P2.2 of single-chip microcomputer (5), pin URXD0, pin UTXD0 is corresponding to be connected, the pin DAT3 of SD card (7), CMD, DAT0, CLK successively with the corresponding connection of I/O mouth P4.2-P4.5 of single-chip microcomputer (5), LCD(8) FPDP DB0-DB7 successively with the corresponding connection of I/O mouth P3.0-P3.7 of single-chip microcomputer (5), LCD(8) control port LCDE, RW, RS successively with the corresponding connection of I/O mouth P5.5-P5.7 of single-chip microcomputer (5), the outfan of alarm button (9) is connected with the I/O mouth P1.4 of single-chip microcomputer (5), the outfan VCC of power module (10) is connected with the I/O mouth P6.1 of single-chip microcomputer (5), the corresponding connection of I/O mouth P1.2, P1.3 of pin SCL, the SDA of serial clock chip (11) and single-chip microcomputer (5),
The PC of medical centre (4) is equipped with wrist formula human pulse remote monitoring software.
2. wrist formula human pulse remote supervision system according to claim 1, is characterized in that described signal condition unit (2) is by prime buffer circuit (12), amplifying circuit (13), baseline restorer circuit (14), low pass filter (15), high pass filter (16) and power frequency notch filter (17) form for instrument;
The signal output part 12b of prime buffer circuit (12) is connected with the signal input part 13a of amplifying circuit for instrument (13), the signal output part 13b of amplifying circuit for instrument (13) is connected with the signal input part 14a of baseline restorer circuit (14), the signal output part 14b of baseline restorer circuit (14) is connected with the signal input part 15a of low pass filter (15), the signal output part 15b of low pass filter (15) is connected with the signal input part 16a of high pass filter (16), the signal output part 16b of high pass filter (16) is connected with the signal input part 17a of power frequency notch filter (17),
The signal input part 12a of prime buffer circuit (12) is connected with the signal output part 1a of PVDF pulse transducer (1), and the signal output part 17b of power frequency notch filter (17) is connected with the I/O mouth P6.2 of single-chip microcomputer (5).
3. wrist formula human pulse remote supervision system according to claim 1, is characterized in that described GPRS data transmission unit (3) is comprised of GPRS module (18), audio frequency output module (19), audio frequency input module (20), electrostatic defending module (21), SIM module (22), antenna (23) and start button (24); The corresponding connection of pin SKPN, SKPP of pin SKPN, the SKPP of GPRS module (18) and audio frequency output module (19), the corresponding connection of pin MICN, MICP of pin MICN, the MICP of GPRS module (18) and audio frequency input module (20); Pin VCC, the RST of GPRS module (18), CLK, GND, DATA successively with the corresponding connection of pin SVCC, SRST, SCLK, SGND, SDAT of SIM module (22); The outfan of electrostatic defending module (21) is connected with SIM module (22); GPRS module (18) is connected with antenna (23) by antenna connector; The outfan of start button (24) is connected with the pin IGT of GPRS module (18);
Pin PWR, the TXD of GPRS module (18), RXD successively with the corresponding connection of I/O mouth P1.3, pin URXD1, UTXD1 of single-chip microcomputer (5).
4. wrist formula human pulse remote supervision system according to claim 1, is characterized in that the main flow of described wrist formula human pulse remote monitoring software is:
S-1: wrist formula human pulse remote monitoring software initialization;
S-2: receive custodial person's pulse data bag;
S-3: pulse data bag is decrypted and format conversion processing;
S-4: the data of pulse data bag are compared with the pulse frequency threshold values in user's pulse information data base, judge that whether pulse frequency is normal, if pulse frequency is normal, skip to S-7, if pulse frequency is undesired, carry out next step;
S-5: obtain custodial person's current location;
S-6: send early warning information;
S-7: storage data are to user's pulse information data base;
S-8: call cardiovascular disease analysis module, generate analysis report;
S-9: continue to wait for reception custodial person pulse data bag.
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| CN201410204803.9A CN103948376A (en) | 2014-05-15 | 2014-05-15 | Wrist-type remote human pulse monitoring system |
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| CN201410204803.9A CN103948376A (en) | 2014-05-15 | 2014-05-15 | Wrist-type remote human pulse monitoring system |
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| CN106343970A (en) * | 2016-09-29 | 2017-01-25 | 江苏铂英特电子科技有限公司 | Radio frequency based human body pulse detecting device |
| CN109998546A (en) * | 2019-01-25 | 2019-07-12 | 芯海科技（深圳）股份有限公司 | A kind of evaluation method of human body impedance signal's mass |
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Application publication date: 20140730 |