CN103876726A - Intelligent electrocardiograph monitoring device based on potential and photoelectric detection method - Google Patents
Intelligent electrocardiograph monitoring device based on potential and photoelectric detection method Download PDFInfo
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- CN103876726A CN103876726A CN201310566441.3A CN201310566441A CN103876726A CN 103876726 A CN103876726 A CN 103876726A CN 201310566441 A CN201310566441 A CN 201310566441A CN 103876726 A CN103876726 A CN 103876726A
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Abstract
The invention discloses an intelligent electrocardiograph monitoring device based on a potential and photoelectric detection method. The intelligent electrocardiograph monitoring device comprises a watch body and a watch cover. Two electrodes are positioned on the lower side of the watch body, and a third electrode positioned on the watch cover needs to be pressed by fingers when in use. When the electrode on the watch cover is touched by the fingers, the device can sense finger touch automatically and collect electrocardiograms. When the electrode on the watch cover is not touched by the fingers, the device is automatically switched into a photoelectric mode to enable a photoelectric driving module to drive a photoelectric emitting tube, a photoelectric receiving tube can transmit received photoelectric signals to a signal amplification module, the signals enter an analog-to-digital conversion module to be converted into digital signals after passing a signal filtering module, and finally, the digital signals are processed by a processor to acquire photoelectric volume tracing waves for heart rate calculation. The intelligent electrocardiograph monitoring device has the greatest advantage that heart rate measurement can be directly completed by a single hand, and can automatically identify connection of electrocardiograph electrodes.
Description
Technical field
The present invention relates to a kind of intelligent cardiac monitor device, especially a kind of intelligent cardiac monitor device combining with photoelectric measurement method that electrode potential is measured.
Background technology
Electrocardio-monitor of the prior art detects dual-use function with electrocardio and blood oxygen, can on a watch, detect blood oxygen and electrocardio simultaneously.This equipment has portable, the feature such as is simple and easy to use.But this device must depend on two good contacts with top electrode, tester must bimanualness, and needs when test relatively static to avoid motion artifacts.In addition, reflective blood oxygen saturation detection method, because photoelectric receiving tube device is positioned at the homonymy of photoelectron emission device, this is merely able to ensure to receive the light that homonymy photoelectron emission device sends, but the reception light of this method is faint and reflection path is not unique (in its tangible human body, having diffuse-reflectance) compared with transmission-type, so be difficult to converse transmitting and the relation of accepting, the metering system of so reflective blood oxygen is measured blood oxygen saturation, its accuracy still remains to be discussed.
Summary of the invention
Technical problem solved by the invention is:
Tester must bimanualness ensures the good contact of two electrodes, can only obtain ecg wave form testing result, in real time the Heartbeat State of supervisory user.The photoelectricity receiving device that is positioned at wrist homonymy can only, in order to detect transillumination, reduce sensitivity and the reliability of photoelectricity receiving device.Meanwhile, the maximum problem that Wearable optoelectronic device faces is " close contact " that how to keep photoelectric sensor and skin, and does not make again people feel to feel bad.
In order to solve the problems of the technologies described above, the technical solution adopted in the present invention is:
On a watch device end, traditional potentiometric method ecg measurement and photoelectric method measurement volume wave technology are combined, unitary construction comprises screen, table body, watchband, and sensor (electrode, photoemission cell, photoelectric receiving tube).Potentiometric method is measured, had 3 electrodes, two electrode electrodes 1, electrodes 2 are positioned at below table, press close to skin, and another one electrode 3 is positioned in table cover, needs another finger presses when use.In the time that electrode 3 has finger contact, equipment can automatically induce finger contact and carry out electrocardiogram collection.In the time there is no finger contact, equipment automatically switches to photoelectricity pattern, now photoelectricity driver module drives photoemission cell, the light of launching certain wavelength receives through photoelectric receiving tube after human skin tissue reflection, by signal amplification module, faint photosignal is amplified to the scope that subsequent conditioning circuit can receive, then enter analog-to-digital conversion module through signal filtering module, convert digital signal to processor.Processor can be adjusted automatically according to the situation that receives signal driving intensity and the driving frequency etc. of LED driver module, receives the data from electrocardio module simultaneously.The output data of electrocardio module are ecg wave forms.Two kinds of data of the issuable data of foregoing circuit, a kind of is simple PPG, and this can be used for calculating heart rate, and a LED driver module demand motive monochromatic light in this case can select to drive the also optional driven of selecting simultaneously; Another kind is blood oxygen saturation information, and photoelectricity driver module needs driven bi-coloured light in this case.
Potentiometric method certainty of measurement is high, has diagnostic significance.And when equipment in the time that single electrode is singlehanded state mostly in sleep, walk, running state, at this moment equipment can automatic switchover mode to photoelectric sensing pattern, the Heartbeat State of supervisory user in real time.Simultaneously this integration of equipments telecommunication system, the electrocardiogram (ECG) data of adopting can be wirelessly sent to back-end server/specialist system through GPRS/GSM network remote, provide suggestion by specialist system.In addition, this device can also increase Gravity accelerometer and GPRS positioner, convenient quantity of motion and the positioning help-seeking of calculating.
The invention has the beneficial effects as follows:
Automatically detecting electrode connects, thereby determines that mode of operation is potential measurement or photoelectric measurement method; Potentiometric method measurement is conducive to realize the electrocardiogram of diagnosis level, and photoelectric method measurement is conducive to realize heart rate measurement easily, is particularly conducive to and in the time sleeping, walk, run, detects heart rate; Gravity accelerometer and GPRS positioner, convenient quantity of motion and the positioning help-seeking of calculating.The present invention is the long-distance intelligent wireless terminal based on the Internet, and all information can send to background server through terminal, provides Health & Fitness Tip by background server, and this pattern can reduce the cost of terminal greatly;
Brief description of the drawings
Fig. 1 is the intelligent cardiac monitor device system construction drawing that the present invention is based on electromotive force and photoelectric detection method.
Fig. 2 is the circuit frame figure that the present invention is based on the intelligent cardiac monitor device of electromotive force and photoelectric detection method.
Fig. 3 is the mechanical construction drawing that the present invention is based on the intelligent cardiac monitor device of electromotive force and photoelectric detection method.
Detailed description of the invention
Below in conjunction with Figure of description, the present invention is further illustrated.
Fig. 1 is the structure chart of whole system, and this system is the equipment of a watch shape, and unitary construction comprises screen 11, table body 13, watchband 19, and sensor ( electrode 12,14,18, photoemission cell 15,17, photoelectric receiving tube 16,110).Potentiometric method is measured, have 3 electrodes, two electrode electrodes 1 (14), electrodes 2 (18) are positioned at below table, press close to skin, another one electrode 3 (12) is positioned in table cover, needs another finger presses when use.In the time that electrode 3 (12) has finger contact, equipment can automatically induce finger contact and carry out electrocardiogram collection.In the time there is no finger contact, equipment automatically switches to photoelectricity pattern, and this pattern can be used in the time of inconvenient bimanualness, as sleep, walk, the state such as running.This mode of operation is by LED luminous tube LED1 (15), LED2 (17) and photoelectric receiving tube 1 (16), receiving tube 2 (110) compositions, it can be also monochromatic light of the same race that LED1 (15) and LED2 (16) can make the light of different wave length, the light that they are launched is after human skin tissue absorbs reflection, after receiving tube 1 (16) and receiving tube 2 (110) receptions, obtain photoplethaysmography ripple (Photoplethysmography through further digital processing, hereinafter to be referred as PPG), obtained the variation of heart rate by the wave energy of PPG, know blood oxygen saturation if measure, LED1 (15), LED2 (17) must be just that different wavelengths of light alternately irradiates, as common HONGGUANG and infrared light.Heart rate measuring does not have specific requirement to optical wavelength, can select low-yield spectrum to reduce system power dissipation as blue light, green glow etc.
Should be mentioned that especially, because people's carpal joint is mainly made up of radius and ulna, the two is light tight, so it is also very exquisite selecting the position of photoelectric receiving tube, here receiving tube 1 (16) is positioned at the homonymy of transmitting tube, this can ensure to receive the light that homonymy luminous tube LED1 (15) and LED2 (17) send, this is the method for typical reflective blood oxygen, but the reception light of this method is faint and reflection path is not unique (in its tangible human body, having diffuse-reflectance) compared with transmission-type, so be difficult to converse transmitting and the relation of accepting (this is on no impact of heart rate measuring).Therefore, another one receiving tube 2 (110) heteropleurals to wrist are increased in order to detect transillumination, in this case, how no matter show body moves, the light that always has a luminous tube LED1 (15) or LED2 (17) to send is transmitted to receiving tube 2 (110) through skin histology, and this technology has improved the sensitivity and the reliability that receive.
Fig. 2 is the circuit frame figure of whole system, the realization of sensor circuit as shown in the figure, LED driver module (22) drives Fig. 1 LED1 (15) and LED2 (17) fluorescent tube, the light of launching certain wavelength after human skin tissue (21) reflection through photoelectric receiving tube, Fig. 1 receiving tube 1 (16) and receiving tube 2 (110), by signal amplification module (23), faint photosignal is amplified to the scope that subsequent conditioning circuit can receive, then enter analog-to-digital conversion module (25) through signal filtering module (24), convert digital signal to processor (27).Processor (27) can be adjusted automatically according to the situation that receives signal driving intensity and the driving frequency etc. of LED driver module (22), receives the data from electrocardio module (26) simultaneously.The output data of electrocardio module (26) are ecg wave forms.Meanwhile, in order to reduce the cost of terminal, processor also can be wirelessly sent to back-end server/specialist system through communication interface (28) by GPRS/GSM network remote by the electrocardiogram (ECG) data of adopting, and provides suggestion by specialist system.Two kinds of data of the issuable data of foregoing circuit, a kind of is simple PPG, this can be used for calculating heart rate, LED driver module (22) the monochromatic Fig. 1 LED1 of a demand motive (15) and LED2 (17) in this case, as blue light or green light source cheaply, can select to drive the also optional driven of selecting simultaneously; Another kind is blood oxygen saturation information, LED driver module (22) needs Fig. 1 LED1 (15) and the LED2 (17) of driven bi-coloured light in this case, classical way is one and chooses HONGGUANG (660nm wavelength), and another chooses infrared light (910nm wavelength).It should be noted that the driving effect of choosing classical bi-coloured light is reasonable, cause too much the problems such as detection signal is extremely faint but problem is the higher and HONGGUANG of the cost of its photocell and infrared light through absorption of human body.
Fig. 3 is the Design of Mechanical Structure of device end about photoelectric sensor, the maximum problem that Wearable optoelectronic device faces is " close contact " that how to keep photoelectric sensor and skin, and " close contact " here refers to that should make sensor not leave skin does not make again people feel to feel bad.Therefore, the present invention has provided a design example, for overcoming contact comfort level problem.Here LED1 luminous tube (15), LED2 luminous tube (17) and receiving tube (16) three are linked together by the torsion beam (35) of a rigidity, separately placed below a spring part in order to regulate and the order of contact of skin, have a fixed axis to be arranged in PD1 receiving tube (33), LED1 luminous tube (15) and LED2 luminous tube 2 (17) can rotate taking receiving tube (16) as axle center and ensure to have at least a luminous tube and contact skin when stressed like this.Table body is placed with the interference that shade (36) blocks natural light the Western Zhou Dynasty.Simultaneously this device can integrated telecommunication system, the electrocardiogram (ECG) data of adopting can be wirelessly sent to back-end server/specialist system through GPRS/GSM network remote, provides suggestion by specialist system.In addition, this device can also increase Gravity accelerometer and GPRS positioner, convenient quantity of motion and the positioning help-seeking of calculating.
More than show and described ultimate principle of the present invention and principal character and advantage of the present invention.The technical staff of the industry should understand; the present invention is not restricted to the described embodiments; that in above-described embodiment and description, describes just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.The claimed scope of the present invention is defined by appending claims and equivalent thereof.
Claims (9)
1. the intelligent cardiac monitor device based on electromotive force and photoelectric detecting method, comprise table body (13), electrode 1 (14), electrode 3 (12), these two electrodes lay respectively at below table body and in table cover, detect in order to ecg wave form, it is characterized in that, table body (13) arranges another electrode electrode 2 (18) below, in the time that electrode 3 (12) is not touched, device can automatically switch to photoelectricity pattern, make photoelectricity driver module (22) drive photoemission cell, photoelectric receiving tube 1 (16) and the homonymy of photoemission cell in tested position, photoelectricity adopter 1 (16) can be by the photosignal input signal amplification module (23) receiving, enter analog-to-digital conversion module (25) through signal filtering module (24), the digital signal transforming is finally processed and is obtained photoplethaysmography ripple by processor (27).
2. a kind of intelligent cardiac monitor device based on electromotive force and photoelectric detecting method as claimed in claim 1, is characterized in that, also comprises communication interface (28), is connected, for external device communication with described processor.
3. a kind of intelligent cardiac monitor device based on electromotive force and photoelectric detecting method as claimed in claim 1, is characterized in that, the light that two photoemission cells can be launched different wave length is measured blood oxygen saturation.
4. a kind of intelligent cardiac monitor device based on electromotive force and photoelectric detecting method as claimed in claim 1, is characterized in that, photoemission cell is LED fluorescent tube (15,17).
5. a kind of intelligent cardiac monitor device based on electromotive force and photoelectric detecting method as claimed in claim 3, is characterized in that, the light of two photoemission cell transmittings is respectively the HONGGUANG of 660nm wavelength and the infrared light of 910nm wavelength.
6. a kind of intelligent cardiac monitor device based on electromotive force and photoelectric detecting method as claimed in claim 3, is characterized in that, has increased heteropleural that another one photoelectricity adopter (110) is positioned at tested position in order to detect transillumination.
7. a kind of intelligent cardiac monitor device based on electromotive force and photoelectric detecting method as claimed in claim 1, is characterized in that, table body surrounding is provided with shade (36), for blocking the interference of natural light.
8. a kind of intelligent cardiac monitor device based on electromotive force and photoelectric detecting method as claimed in claim 1, it is characterized in that, two photoemission cells, photoelectric receiving tube 1 (16) these threes are linked together by a rigidity torsion beam (35), place separately the order of contact of a spring part in order to adjusting and skin below, there is a fixed axis to be arranged in adopter, photoelectron emission device can be rotated taking receiving tube as axle center when stressed and ensure to have at least a photoelectron emission device and contact skin.
9. a kind of intelligent cardiac monitor device based on electromotive force and photoelectric detecting method as claimed in claim 1, is characterized in that, has also increased integrated Gravity accelerometer and GPRS positioner.
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| CN105988584A (en) * | 2015-03-19 | 2016-10-05 | 宏达国际电子股份有限公司 | Detecting system and mobile electronic apparatus, and method for detecting physiological characteristic thereof method thereof |
| CN105997026A (en) * | 2016-06-13 | 2016-10-12 | 北京阿纽山医药科技有限公司 | Intelligent portable health detection equipment |
| CN106999046A (en) * | 2014-12-11 | 2017-08-01 | 英特尔公司 | The technology monitored for biofeedback electrode contact |
| CN107661094A (en) * | 2016-07-29 | 2018-02-06 | 飞比特公司 | Circuit and method for photo-plethysmographic sensor |
| TWI622380B (en) * | 2017-01-17 | 2018-05-01 | 正崴精密工業股份有限公司 | Physiological Signal Measuring Device and Blood Oxygen Calculation Method |
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| CN110292369A (en) * | 2019-07-03 | 2019-10-01 | 浙江大学 | Chest non-invasive blood pressure detection probe and its device based on pulse wave translation time |
| TWI790480B (en) * | 2019-09-27 | 2023-01-21 | 美商蘋果公司 | Physiological monitoring system for measuring oxygen saturation |
| US11573351B2 (en) | 2020-03-06 | 2023-02-07 | Apple, Inc. | Optical sensor having a magnetic optical barrier |
| US11723563B1 (en) | 2020-09-11 | 2023-08-15 | Apple Inc. | Correcting for emitted light wavelength variation in blood-oxygen saturation measurements at wearable electronic device |
| US11857298B1 (en) | 2019-09-06 | 2024-01-02 | Apple Inc. | Devices having matter differentiation detectors |
| US12074244B2 (en) | 2020-09-14 | 2024-08-27 | Apple Inc. | Optical sensor package with magnetic component for device attachment |
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| TWI622380B (en) * | 2017-01-17 | 2018-05-01 | 正崴精密工業股份有限公司 | Physiological Signal Measuring Device and Blood Oxygen Calculation Method |
| CN108918473A (en) * | 2018-09-10 | 2018-11-30 | 广州益得智教育科技有限公司 | Light transmittance measuring instrument |
| CN110292369A (en) * | 2019-07-03 | 2019-10-01 | 浙江大学 | Chest non-invasive blood pressure detection probe and its device based on pulse wave translation time |
| US11857298B1 (en) | 2019-09-06 | 2024-01-02 | Apple Inc. | Devices having matter differentiation detectors |
| US12042255B2 (en) | 2019-09-06 | 2024-07-23 | Apple Inc. | Devices having matter differentiation detectors |
| TWI790480B (en) * | 2019-09-27 | 2023-01-21 | 美商蘋果公司 | Physiological monitoring system for measuring oxygen saturation |
| US11717197B2 (en) | 2019-09-27 | 2023-08-08 | Apple Inc. | Physiological monitoring system for measuring oxygen saturation |
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| US11573351B2 (en) | 2020-03-06 | 2023-02-07 | Apple, Inc. | Optical sensor having a magnetic optical barrier |
| US11723563B1 (en) | 2020-09-11 | 2023-08-15 | Apple Inc. | Correcting for emitted light wavelength variation in blood-oxygen saturation measurements at wearable electronic device |
| US12074244B2 (en) | 2020-09-14 | 2024-08-27 | Apple Inc. | Optical sensor package with magnetic component for device attachment |
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