CN103393418A - Portable electrocardiograph monitoring system - Google Patents
Portable electrocardiograph monitoring system Download PDFInfo
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- CN103393418A CN103393418A CN2013101206365A CN201310120636A CN103393418A CN 103393418 A CN103393418 A CN 103393418A CN 2013101206365 A CN2013101206365 A CN 2013101206365A CN 201310120636 A CN201310120636 A CN 201310120636A CN 103393418 A CN103393418 A CN 103393418A
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Abstract
The invention discloses a portable electrocardiograph monitoring system. The portable electrocardiograph monitoring system comprises two non-contact electrode slices, a pectoral girdle, a Zigbee ECG collecting and transmitting module, a Zigbee wireless receiving module and an embedded displaying and alarming module. The two non-contact electrode slices are mounted on circular electrode slice clamping grooves in the inner side of the pectoral girdle respectively. The Zigbee ECG collecting and transmitting module is mounted on a fixed clamping groove in the outer side of the pectoral girdle. The Zigbee ECG collecting and transmitting module is connected with the two non-contact electrode slices through signal output lines. The Zigbee wireless receiving module is connected with the embedded displaying and alarming module through a serial port circuit. The portable electrocardiograph monitoring system has the advantages that operation is simple, moving is convenient, the system is in a non-contact type, the electrocardiogram and heart rate of a user can be displayed in real time, an alarming short message can be sent when the heart rate is abnormal, ECG data can be stored in an SD card, and the ECG data can be further analyzed conveniently.
Description
Technical field
The invention belongs to technical field of medical instruments, further relate to a kind of instrument of cardioelectric monitor of portable domestic.The present invention is used in the indoor environment of non-high-intensity magnetic field user is carried out to real-time electrocardiogram acquisition and monitoring, assists medical personnel and household to carry out auxiliary diagnosis and treatment to user.
Background technology
Electrocardiosignal is the important indicator of observing health; old people, child and the patient that suffers from various heart diseases are carried out to real-time electrocardio monitoring; and, to the monitoring of changes in heart rate in healthy adult's motor process, for protection people healthy, has important function.At present, most electrocardios is measured portable equipment and is worn on the positions such as finger, wrist, cervical region, and is namely not attractive in appearance, affects again people's proper motion, is unsuitable for daily Real Time Monitoring.
Patent " portable electrocardiograph " (the application notification number CN 10636091A that Japan Ao Mulong health medical treatment cause strain commercial firm applies for, application number 200680052231.0) a kind of loading and unloading unit that is provided with the main unit of negative electrode and is provided with anelectrode is disclosed, utilize the variation of current potential between master unit and loading and unloading unit to measure electrocardiosignal, main unit and loading and unloading unit link together by connection cord, EGC pattern shows on master unit instrument.The deficiency that this patent application exists is: the measuring method that adopts contact due to this portable electrocardiograph, while measuring electrocardio, on electrode, need to smear conductive paste, while carrying out for a long time the electrocardio measurement, conductive paste can be killed gradually, thereby to such an extent as to increase gradually the continuous variation influence monitoring effect of the impedance electrocardiosignal of measurement electrode; Because the main unit of this portable electrocardiograph and loading and unloading unit link together by connection cord, connection cord can be because carrier be turned round while sleeping, limbs shake and disconnect or come off, thereby can't continue to monitor electrocardiosignal when carrier sleep; Because this portable electrocardiograph can't be extraneous in carrier anomalous ecg time notice, thereby carrier can't be succoured timely when electrocardiosignal is abnormal; This portable electrocardiograph can't be stored electrocardiosignal for use in further analyzing the electrocardio test result.
The patented technology that Peking University has " a kind of portable electrocardiosignal measuring device and electrocardio measuring system " (application number 20920490523.0, Granted publication CN 202446077U) disclose and a kind ofly by small-sized fixture, will be fixed on difference 2 points on the medicated clothing of being close to human body skin for the electrometric positive and negative electrode of the heart, by the potential difference of measuring this point-to-point transmission, changed to realize the instrument of measurement, wireless transmission and the demonstration of electrocardiosignal.The deficiency that this patented technology exists is: at first, measuring method due to this portable electrocardiosignal measuring device and electrocardio measuring system employing contact, electrode will use conductive paste while using, while measuring electrocardio, on electrode, need to smear conductive paste, while carrying out for a long time the electrocardio measurement, conductive paste can be killed gradually, thereby to such an extent as to increases gradually the continuous variation influence monitoring effect of the impedance electrocardiosignal of measurement electrode.Secondly, due to this portable electrocardiosignal measuring device and electrocardio measuring system can't be when the carrier anomalous ecg notice extraneous, thereby carrier can't be succoured timely when electrocardiosignal is abnormal.
Summary of the invention
The object of the invention is to overcome above-mentioned the deficiencies in the prior art, propose a kind of simple to operate, be convenient to mobile, contactless electrocardiogram acquisition and the cardiac monitoring equipment of wireless transmission, with realization, in the indoor environment of non-high-intensity magnetic field, user is carried out to real-time electrocardiogram acquisition and monitoring.
Concrete thought of the present invention is: on existing cardiac monitoring technical foundation, utilize contactless electrode, wireless transport module and flush bonding module to gather, transmit, process the electrocardio of user, to reach, can when sleeping, user carry out electrocardiogram acquisition, at the anomalous ecg alarm, thereby complete the effect to the user ECG real-time monitor.
For achieving the above object, the present invention specifically comprises two contactless electrode slices, pectoral girdle, purple honeybee Zigbee electrocardiogram acquisition and sending module, purple honeybee Zigbee wireless receiving module, embedded demonstration and alarm module; Two contactless electrode slices are arranged on respectively in the circular electric pole piece draw-in groove of pectoral girdle inboard; Purple honeybee Zigbee electrocardiogram acquisition and sending module are arranged on the fixed card slot in the pectoral girdle outside; Purple honeybee Zigbee electrocardiogram acquisition is connected by output line with two contactless electrode slices with sending module; Purple honeybee Zigbee receiver module is connected with alarm module with embedded demonstration by serial port circuit, and embedded demonstration and alarm module store electrocardiosignal in safe digital SD card into, and send alarming short message when anomalous ecg.
The present invention compared with prior art has following advantage:
The first, due to the present invention, adopt the mode of wireless transmission, overcome the deficiency that the equipment of available technology adopting wire transmission mode can't arbitrarily move due to the restriction that is subject to length of transmission line, the present invention who makes can not be subjected to the restriction of length of transmission line, random mobile device, even when the user sleep state, also can wear equipment of the present invention, the advantage of monitoring ECG Signal Analysis user health status.
The second, because adopting contactless electrode, the present invention gathers electrocardio, overcome when contact electrode of the prior art uses and need to smear conductive paste, the long-time electrode impedance that uses can become large, the deficiency that causes the conductive effect variation, the present invention who makes has and can use for a long time, uses more comfortable advantage.
Three, because the present invention adopts safe digital SD card storage electrocardiogram (ECG) data, safe digital SD jig has the characteristics that volume is little, memory space large, easily read and write, having overcome electrocardio equipment of the prior art can't store electrocardiogram (ECG) data and maybe can't allow user obtain easily the deficiency of the electrocardiogram (ECG) data of storing, the present invention who makes can allow user at home or any indoor environment is carried out cardiac monitoring, facilitates user to carry to store the safe digital SD of electrocardiogram (ECG) data to snap into hospital and carries out the advantage that electrocardiogram (ECG) data is further analyzed.
Four, because the present invention adopts alarm module, overcome electrocardio equipment of the prior art and can't when the user electrocardiosignal is abnormal, in time notify extraneous deficiency, the present invention who makes can in time notify extraneous when the user anomalous ecg, make the user be succoured timely.
The accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the structural representation of the contactless electrode slice of the present invention;
Fig. 3 is signal flow block diagram of the present invention;
Fig. 4 is the electrocardiosignal and the comparison diagram that is stored in the electrocardiosignal of safe digital SD card of the purple honeybee Zigbee electrocardiogram acquisition of the present invention and sending module 3 outputs.
The specific embodiment
Below in conjunction with accompanying drawing, the present invention is described further.
With reference to Fig. 1, the present invention includes two contactless electrode slices 1, pectoral girdle 2, purple honeybee Zigbee wireless receiving module 4, embedded demonstration and alarm module 5; Two contactless electrode slices 1 are arranged on respectively on the circular electric pole piece draw-in groove of pectoral girdle 2 inboards; Purple honeybee Zigbee electrocardiogram acquisition and sending module 3 are arranged in the fixed card slot in pectoral girdle 2 outsides; Purple honeybee Zigbee electrocardiogram acquisition is connected by output line with two contactless electrode slices 1 with sending module 3; Purple honeybee Zigbee wireless receiving module 4 is connected with alarm module 5 with embedded demonstration by serial port circuit, and embedded demonstration and alarm module (5) store electrocardiosignal in safe digital SD card into, and send alarming short message when anomalous ecg.
User is arranged on two contactless electrode slices 1 in the circular electric pole piece draw-in groove of pectoral girdle 2 inboards, purple honeybee Zigbee electrocardiogram acquisition and sending module 3 that battery is installed are arranged in the fixed card slot in pectoral girdle 2 outsides, adopt the chest mode of leading to gather electrocardiosignal, the one side with electrocardioelectrode on pectoral girdle 2 inwardly is fixed on to the chest of user across frivolous medicated clothing.According to measured's chest measurement difference, regulate pectoral girdle 2 and make two contactless electrode slices 1 lay respectively at the position of right border of sternum the 4th intercostal and left anterior axillary line and left mid-clavicular line the 5th intercostal.The voltage that two contactless electrode slices are 1 is transferred to purple honeybee Zigbee electrocardiogram acquisition and sending module 3 by output line, purple honeybee Zigbee electrocardiogram acquisition and sending module 3 electrocardiosignal is carried out to the AD conversion and will change after the electrocardiosignal wireless transmission go out.
Purple honeybee Zigbee electrocardiogram acquisition and sending module 3 comprise frontend amplifying circuit, low-pass filter circuit, high-pass filtering circuit, level lifting circuit, equal proportion translation circuit, trap circuit, purple honeybee Zigbee control circuit.Frontend amplifying circuit is connected with low-pass filter circuit, and the electrocardiosignal after amplifying, after the noise of low-pass filter circuit filtering higher than 100Hz, is obtained to the electrocardiosignal of filter away high frequency noise.Low-pass filter circuit is connected with high-pass filtering circuit, and the electrocardiosignal of filter away high frequency noise, through the noise of high-pass filtering circuit filtering lower than 5Hz, is obtained to the electrocardiosignal of filtering low-frequency noise.High-pass filtering circuit is connected with level lifting circuit, and the electrocardiosignal of filtering low-frequency noise, through level lifting circuit, is obtained to the one pole electrocardiosignal.Level lifting circuit is connected with the equal proportion translation circuit, the one pole electrocardiosignal is obtained to the electrocardiosignal between 0-3V after the equal proportion translation circuit.The equal proportion translation circuit is connected with trap circuit, and the electrocardiosignal between 0-3V, through trap circuit filtering 50Hz industrial frequency noise, is obtained to the electrocardiosignal of filtering industrial frequency noise.Trap circuit is connected with purple honeybee Zigbee control circuit, and the electrocardiosignal of filtering industrial frequency noise, through the embedded analog-digital converter of purple honeybee Zigbee control circuit, is obtained to digitized electrocardiosignal.Digitized electrocardiosignal sends to purple honeybee Zigbee wireless receiving module 4 through the embedded radio transmitters of purple honeybee Zigbee control circuit.
Frontend amplifying circuit, low-pass filter circuit, high-pass filtering circuit, level lifting circuit, equal proportion translation circuit, trap circuit in purple honeybee Zigbee electrocardiogram acquisition and sending module 3 all adopts SMD integrated transporting discharging to build, and makes whole collection front end volume little.Purple honeybee Zigbee control circuit comprises radio transmitter, power circuit, clock circuit, the reset circuit that adopts wireless receiving and dispatching CC2530 chip.In radio transmitter wireless receiving and dispatching CC2530 chip as control chip with power circuit, clock circuit, reset circuit, be connected.In wireless receiving and dispatching CC2530 chip, be integrated with analog-digital converter and wireless transmitter.
Purple honeybee Zigbee electrocardiogram acquisition and sending module 3 and 4 wireless connections of purple honeybee Zigbee wireless receiving module; User can be centered by purple honeybee Zigbee wireless receiving module 4 after wearing this equipment, and 20 meters is interior random movement of scope of radius, can under sleep state, optionally stand up, and does not worry that coming off of electrode or wire causes monitoring to be interrupted.
Purple honeybee Zigbee wireless receiving module 4 comprises wireless receiving circuit, serial port circuit, power circuit, the clock circuit that adopts wireless receiving and dispatching CC2530 chip.In purple honeybee Zigbee wireless receiving module 4, wireless receiving and dispatching CC2530 chip is connected with serial port circuit, power circuit, clock circuit, reset circuit as control chip.
On purple honeybee Zigbee electrocardiogram acquisition and sending module 3 and embedded demonstration and alarm module 5, be equipped with battery case, ac power supply is convenient, safety than using to use battery powered.
Embedded demonstration and alarm module 5 comprise that embedded Control circuit, display circuit, client identify SIM circuit, safe digital SD card circuit; The electrocardiosignal that purple honeybee Zigbee wireless receiving module 4 receives transfers to the embedded Control circuit through serial port circuit; The embedded Control circuit is connected with display circuit, and the embedded Control circuit is processed electrocardiogram (ECG) data, by controlling display circuit, on touch screen, realizes the demonstration of Electrocardiographic demonstration and heart rate.The client identifies the SIM circuit and is connected with the embedded Control circuit, for the electrocardiosignal to abnormal, by the client, identifies the SIM circuit and sends alarming short message.Safe digital SD card circuit is connected with the embedded Control circuit, the embedded Control circuit with the synchronous serial interface communication mode by total line traffic control safe digital SD card circuit, the electrocardiogram (ECG) data of user is stored in safe digital SD card, for use in further analyzing the electrocardio test result.
The embedded Control circuit comprises STM32 processor, clock circuit, power circuit, reset circuit, serial port circuit.The STM32 processor is connected with clock circuit, power circuit, reset circuit, serial port circuit.
With reference to Fig. 2, contactless electrode slice 1 comprises battery lead plate 9, insulating barrier 8, gauze screen 6, output line 7.Battery lead plate 9 is positioned at the bottom of contactless electrode slice 1, and insulating barrier 8 is between gauze screen 6 and battery lead plate 9.Output line 7 passes gauze screen 6 and is connected with battery lead plate 9 with the aperture on insulating barrier 8.
Battery lead plate 9 adopts circular copper sheet to make, and can across between the skin of frivolous medicated clothing and human body, form the impulse electricity of electric capacity, thereby collect electrocardiosignal.Gauze screen 6 can reduce the interference that electrocardiosignal is subject to external electrical field; Electrocardiosignal is drawn by the output line 7 that passes insulating barrier 8 and gauze screen 6.
With reference to Fig. 3, electrocardiosignal is introduced pre-amplification circuit by output line faint electrocardiosignal is carried out to the electrocardiosignal that differential amplification obtains amplification.The electrocardiosignal of amplifying enters low-pass filter circuit, due to the frequency of electrocardiosignal below 100Hz, so the high-frequency signal of the electrocardiosignal that will amplify with the low-pass filter circuit filtering obtains the electrocardiosignal of filtering high-frequency signal.The electrocardiosignal of high-frequency signal enters high-pass filtering circuit, owing in the signal that gathers, also containing, breathes the low frequency component that produces, so will obtain with the low frequency signal in high-pass filtering filtering electrocardiosignal the electrocardiosignal of filtering low frequency signal.The electrocardiosignal of filtering low frequency signal enters level lifting circuit, equal proportion translation circuit, because signal is ambipolar and the excessive analog digital conversion that is unfavorable for of amplitude, so will the electrocardiosignal of filtering low frequency signal be transformed to the one pole electrocardiosignal of amplitude at 0-3V with level lifting circuit, equal proportion translation circuit.The one pole electrocardiosignal enters trap circuit, due to the power frequency component that has civil power to produce in the one pole electrocardiosignal and also disturb very large, so with trap circuit, the power frequency component of one pole electrocardiosignal is removed to the electrocardiosignal that obtains.The electrocardiosignal of removing power frequency component enters radio transmitter, and radio transmitter carries out analog digital conversion by being integrated in analog-digital converter in wireless receiving and dispatching CC2530 chip, obtains digitized electrocardiosignal.Digitized electrocardiosignal sends by the wireless transmitter that is integrated in wireless receiving and dispatching CC2530 chip.The electrocardiosignal that radio transmitter sends enters wireless receiving circuit, and the electrocardiosignal that wireless receiving circuit will receive is transferred to the embedded Control circuit by serial ports.The electrocardiosignal that the embedded Control circuit will receive shows electrocardiogram and heart rate by total line traffic control display circuit.The embedded Control circuit stores electrocardiogram (ECG) data into safe digital SD card memory circuit by bus; When anomalous ecg, the embedded Control circuit is extraneous by total line traffic control warning circuit notice.
With reference to Fig. 4, the electrocardiosignal and the comparison diagram that is stored in the electrocardiosignal of safe digital SD card of the purple honeybee Zigbee electrocardiogram acquisition of the present invention and sending module 3 outputs.Wherein, what Fig. 4 (a) represented is the purple honeybee Zigbee electrocardiogram acquisition of oscilloscope display and the electrocardiosignal of sending module 3 outputs, and what Fig. 4 (b) represented is to read out in from safe digital SD card the electrocardiosignal that touch screen shows.Contrasting two figure can find, although the EGC pattern in two figure is in difference to some extent in shape, but the nearly all feature that has electrocardiosignal in Fig. 4 (a) in Fig. 4 (b), R ripple as the highest as amplitude, follow the T ripple shorter than R ripple after the R ripple closely, and the trough S ripple between R ripple and T ripple.Can illustrate that the electrocardiogram (ECG) data that is stored in safe digital SD card does not have serious distortion, can be used for being further analyzed the electrocardio test result.
Claims (6)
1. a portable cardiac monitor system, comprise two contactless electrode slices (1), pectoral girdle (2), purple honeybee Zigbee electrocardiogram acquisition and sending module (3), purple honeybee Zigbee wireless receiving module (4), embedded demonstration and alarm module (5); Described two contactless electrode slices (1) are arranged on respectively in the inboard circular electric pole piece draw-in groove of pectoral girdle (2); Described purple honeybee Zigbee electrocardiogram acquisition and sending module (3) are arranged on the fixed card slot in pectoral girdle (2) outside; Described purple honeybee Zigbee electrocardiogram acquisition is connected by output line (7) with two contactless electrode slices (1) with sending module (3); Described purple honeybee Zigbee wireless receiving module (4) is connected with alarm module (5) with embedded demonstration by serial port circuit, embedded demonstration and alarm module (5) store electrocardiosignal in safe digital SD card into, and send alarming short message when anomalous ecg.
2. portable cardiac monitor system according to claim 1, is characterized in that, described two contactless electrode slices (1) comprise battery lead plate (9), insulating barrier (8), gauze screen (6), output line (7); Described battery lead plate (9) is positioned at the bottom of contactless electrode slice (1), and insulating barrier (8) is positioned between gauze screen (6) and battery lead plate (9); Described output line (7) passes gauze screen (6) and is connected with battery lead plate (9) with the aperture on insulating barrier (8).
3. portable cardiac monitor system according to claim 1, it is characterized in that, described purple honeybee Zigbee electrocardiogram acquisition and sending module (3) comprise frontend amplifying circuit, low-pass filter circuit, high-pass filtering circuit, level lifting circuit, equal proportion translation circuit, trap circuit, purple honeybee Zigbee control circuit; Described frontend amplifying circuit is connected with low-pass filter circuit, and the electrocardiosignal after amplifying, through the noise of low-pass filter circuit filtering higher than 100Hz, is obtained to the electrocardiosignal of filter away high frequency noise; Described low-pass filter circuit is connected with high-pass filtering circuit, and the electrocardiosignal of filter away high frequency noise, through the noise of high-pass filtering circuit filtering lower than 5Hz, is obtained to the electrocardiosignal of filtering low-frequency noise; Described high-pass filtering circuit is connected with level lifting circuit, and the electrocardiosignal of filtering low-frequency noise, through level lifting circuit, is obtained to the one pole electrocardiosignal; Described level lifting circuit is connected with the equal proportion translation circuit, and the one pole electrocardiosignal, through the equal proportion translation circuit, is obtained to the electrocardiosignal between 0-3V; Described equal proportion translation circuit is connected with trap circuit, and the electrocardiosignal between 0-3V, through trap circuit filtering 50Hz industrial frequency noise, is obtained to the electrocardiosignal of filtering industrial frequency noise; Described trap circuit is connected with purple honeybee Zigbee control circuit, by the electrocardiosignal of filtering industrial frequency noise through the embedded analog-digital converter of purple honeybee Zigbee control circuit, obtain digitized electrocardiosignal, digitized electrocardiosignal sends to purple honeybee Zigbee wireless receiving module (4) through the embedded radio transmitters of purple honeybee Zigbee control circuit.
4. portable cardiac monitor system according to claim 1, is characterized in that, described purple honeybee Zigbee electrocardiogram acquisition and sending module (3) and purple honeybee Zigbee wireless receiving module (4) wireless connections.
5. portable cardiac monitor system according to claim 1, is characterized in that, on described purple honeybee Zigbee electrocardiogram acquisition and sending module (3) and embedded demonstration and alarm module (5), is equipped with battery case.
6. portable cardiac monitor system according to claim 1, is characterized in that, described embedded demonstration and alarm module (5) comprise that embedded Control circuit, display circuit, client identify SIM circuit, safe digital SD card circuit; The electrocardiosignal that described purple honeybee Zigbee wireless receiving module (4) receives transfers to the embedded Control circuit through serial port circuit; Described embedded Control circuit is connected with display circuit, and the embedded Control circuit is processed electrocardiogram (ECG) data, by controlling display circuit, on touch screen, realizes the demonstration of Electrocardiographic demonstration and heart rate; Described SIM circuit is connected with the embedded Control circuit, for the electrocardiosignal to abnormal, by the client, identifies the SIM circuit and sends alarming short message; Described safe digital SD card circuit is connected with the embedded Control circuit, the embedded Control circuit with the synchronous serial interface communication mode by total line traffic control safe digital SD card circuit, the electrocardiogram (ECG) data of user is stored in safe digital SD card, for use in further analyzing the electrocardio test result.
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| CN103860170A (en) * | 2014-03-11 | 2014-06-18 | 天津师范大学 | Electrical conductance biological feedback training instrument |
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| CN103976731A (en) * | 2014-05-29 | 2014-08-13 | 上海理工大学 | Multimodal communication monitoring portable electrocardiogram instrument and communication method |
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| CN105946825A (en) * | 2016-05-09 | 2016-09-21 | 安徽机电职业技术学院 | Vehicle-mounted intelligent emergency braking system |
| CN105997050A (en) * | 2016-05-12 | 2016-10-12 | 东北大学 | Wearable non-contact electrocardio acquisition device and non-contact electrocardio acquisition method |
| CN114366120A (en) * | 2022-01-25 | 2022-04-19 | 西安电子科技大学 | Annular strip wireless portable electrocardiogram monitoring system |
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Application publication date: 20131120 |