CN1985751A - Wearable physical sign detector, physical sign telemetering and warning system and method - Google Patents
Wearable physical sign detector, physical sign telemetering and warning system and method Download PDFInfo
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Abstract
The present invention is wearable physical sign detector, physical sign telemetering and warning system and method. The system includes a physical sign detector, an analysis and judgment base station and an emergency treatment device. The physical sign detector sends detected physical sign information to the analysis and judgment base station in radio or wired mode. In case of emergency, the analysis and judgment base station sends first-aid signal and the detected physical sign information to the emergency treatment device automatically in radio or wired mode. The present invention senses PPG signal from the ear of the wearer of the physical sign detector, and has raised comfort deg and decreased sports pseudo image interference. The present invention may join to automatic emergency alarm service system for sending emergency calling to the emergency aid center and transmitting physical sign information.
Description
Technical field
The present invention relates to a kind of Worn type physiology sign detector, the remote measurement of physiology sign and warning system and method, particularly a kind of from the wearer ear rear sensing PPG signal and calculate pulse rate and Worn type physiology sign detector, the remote measurement of physiology sign and the warning system and the method for oxygen saturation.
Background technology
As everyone knows, the whole world has entered the aged tendency of population epoch.How to ensure that it is a specific question in many social problems that the old people spends remaining years in comfort.Provide according to relevant expert and medical health care department numeral to show, sudden illness, in rising trend in the old people in recent years, and rejuvenation fast.With Hong Kong is example, and the old people who surpasses 60 years old now has 1,000,000 crowd, and simultaneously, the old people who surpasses 65 years old among them has 800,000 people.More it is worth noting increase rapidly " long-lived crowd ", just those surpass 80 years old old people.Among these old peoples, surpass 100,000 and live alone at present.Also have 400,000 old peoples in addition, when other kinsfolks go out work, be in alone.They are faced with and the closely similar problem of old people of living separately.Other country of the whole world all has similar situation.
Follow the trend in the whole world, Hong Kong just is being transformed into the pattern of the medical retirement pension system of costliness more thrifty based on community with based on the endowment pattern of family.Yet these responsibilities often can not very be fulfiled hand and foot by family and community.Along with the increase of aging population, the physiology sign of paying close attention to the old people continuously becomes very important.
For these reasons, after 1996, a self-emergency alarm service (EAS) of 24 hours to the middle-aged and elderly people service has been set up in Hong Kong.When emergency, the wearer can press the emergency button that is worn on one's body or places at one's side, and the first aid signal just can be issued service centre via telephone line.Although EAS is successful, but when burst accident takes place, the wearer in critical condition, in the time of may having little time maybe can not send the first aid signal to EAS, be starved of the instant urgent call that starts automatically service centre, promptly monitor wearer's physiology sign information at any time by Worn type physiology sign detector, when emergency situation appears in wearer's physiology sign information, at once with the emergency situation that monitors and old people's present physiology sign signal and before calling out physiology sign historical record send to service centre, thereby increase safer guarantee for the old people.
The implementation of Worn type physiology sign detector all adopts two kinds of technology at present, a kind of signal that is to use electrode senses chest electrocardiogram (ECG), and another method is for using light sensor sensation pulse or other relevant parameter.The electrocardiogram of the chest of sensing monitoring target (ECG) signal demand is in the chest adhesive electrodes, because the ECG electrodes is very poor to wearer's affinity on skin of chest; Use light sensor (photoplethysmography, PPG), its pick off of the method for sensing of having reported is positioned at finger clip, ring, on ear-lobe clip, earplug, the wrist strap, position sensing pulse signal in finger or wrist, because finger and wrist take regular exercise, the PPG signal that senses is subject to the interference of motion artifacts; In addition, use this method to obtain reliable PPG signal at above-mentioned position, need the measuring point is applied certain pressure, make monitoring target feel not really comfortable.Also have and a kind ofly use with the location point of ear-lobe as transmission pulse blood oxygen test, yet, be used on ear-lobe, supporting the clamping device of pick off, concerning the wearer, long periods of wear is uncomfortable; Also once reported the PPG signal that in auditory meatus, inserts optical pickocff sensing contact tissue.But the comfortable wearing degree of this mode still is not ideal.
These methods or need pressure to act on the sensing position, otherwise when health moves its test result owing to the interference that is subject to motion artifacts become not really reliable.On the other hand, traditional Worn type physiology sign detector is not monitored wearer's kinestate or ability.
Summary of the invention
Purpose of the present invention is for providing a kind of from postauricular position sensing PPG signal and calculate pulse rate, the physiology sign detector of blood oxygen saturation, and this physiology sign detector is worn on the auricle rear portion, can increase wearer's comfortable wearing degree.In addition, can measure wearer's the skin part or the signal of ambient temperature in conjunction with temperature sensor.And, and make motion and pulse signal interrelated, thereby the interference of minimizing motion artifacts so that motion artifacts is compensated in conjunction with pulse signal, comprehensive sensing when motion can provide wearer figure flip-flop with signal.
The remote measurement of a kind of physiology sign and warning system and the method for providing is provided, when the wearer occurs that the situation is critical, can from trend emergency treatment device or emergency center send call out and transmit present physiology sign signal and calling out before physiology sign historical record.
Based on above-mentioned purpose, the invention provides a kind of Worn type physiology sign detector, be applied to the front end of remote measurement of physiology sign and warning system, this Worn type physiology sign detector comprises physiology condition sensor and main body fixed mount, the physiology condition sensor is arranged in the main body fixed mount, is used for sensing wearer's physiology sign information; Described main body fixed mount is a supra-aural main body fixed mount, and it is hung on wearer's auricle rear portion and the physiology condition sensor is close to wearer's ear rear.
According to described Worn type physiology sign detector, described physiology condition sensor comprises photoelectric sensor, photoelectric sensor is made up of a pair of visible light/infrarede emitting diode and a phototransistor at least, and the physiology sign information of pulse rate and oxygen saturation is calculated in the ear rear of coming sensing to be positioned at the wearer.
According to described Worn type physiology sign detector, described physiology condition sensor comprises many group photoelectric sensors, organizes the different parts that photoelectric sensor is installed on described supra-aural main body fixed mount respectively more.
According to described Worn type physiology sign detector, described physiology condition sensor also comprises: the signal amplification module, and itself and photoelectric sensor are electrical connected, and the physiology sign information that senses is amplified; The CPU microprocessor module, itself and photoelectric sensor and signal amplification module are electrical connected respectively, its control photosensor senses physiology sign information and the physiology sign information that senses is input in the signal amplification module is amplified, and receives the physiology sign information through the transmission of signal amplification module; Sending module, it links to each other with the CPU microprocessor module, under the control of CPU microprocessor module, by wireless or wired mode the physiology sign information that senses is sent.
According to described Worn type physiology sign detector, described physiology condition sensor also comprises motion sensor, be arranged in the described supra-aural main body fixed mount and link to each other respectively with the CPU microprocessor module, sensing wearer's head movement parameter and amplifying under the control of described CPU microprocessor module with described signal amplification module.
According to described Worn type physiology sign detector, described CPU microprocessor module also comprises motion compensating module, and this motion compensating module receives the signal of motion sensor, and according to the suitable compensation way of the feature selection of the motor message that senses; The kinematic parameter that senses when this motion sensor is during less than a threshold value A, and the signal that transmission comes to photoelectric sensor does not carry out the output valve of any compensation and this physiology sign detector of buffer memory; The kinematic parameter that senses when this motion sensor is greater than a threshold value A during simultaneously less than another threshold value B, compensate by this kinematic parameter signal that transmission comes to photoelectric sensor, and the signal value after will compensating is as the output of this physiology sign detector, simultaneously the output valve of this physiology condition sensor of buffer memory; The kinematic parameter that senses when this motion sensor is during greater than threshold value B, and the signal that transmission comes to photoelectric sensor does not restore and with the output valve of this buffer memory output valve as this physiology sign detector.
According to described Worn type physiology sign detector, described physiology condition sensor also comprises temperature sensor, be arranged in the described supra-aural main body fixed mount and link to each other respectively with the signal amplification module, the temperature of sensitive context or skin surface and amplifying under the control of described CPU microprocessor module with described CPU microprocessor module.
According to described Worn type physiology sign detector, the position of photoelectric sensor is installed on the described supra-aural main body fixed mount, be close to by the material and the ear skin of layer of transparent.
According to described Worn type physiology sign detector, the shape of described supra-aural main body fixed mount and big I flexible adjustment.
According to described Worn type physiology sign detector, described supra-aural main body fixed mount is fixed on the spectacle frame.
According to described Worn type physiology sign detector, described physiology condition sensor comprises that also LCD display is used for showing the physiology sign information that senses.
According to described Worn type physiology sign detector, described physiology condition sensor also comprises the phonetic synthesis module, and the physiology sign information translation that this phonetic synthesis module is used for sensing becomes voice signal and sends by sound-producing device.
According to described Worn type physiology sign detector, described physiology condition sensor also comprises reminding module, belongs to undesired if detect the physiology sign, and described reminding module will be reminded the wearer by sound-producing device, color break-up device or shaking device.
According to described Worn type physiology sign detector, the CPU microprocessor module of described physiology condition sensor comprises that also a power management module optimizes the life-span of battery and cell voltage is monitored.
The present invention also provides remote measurement of a kind of physiology sign and warning system, comprises Worn type physiology sign detector; Described Worn type physiology sign detector is close to wearer's ear rear; This physiology sign remote measurement and warning system also comprise: the analytical judgment base station, with the physiology condition sensor by wireless connections, it comprises: receiver module is used to receive the sensing physiology sign information that the physiology condition sensor is sent; Memory module is used to store the sensing physiology sign information that described receiver module receives; Emergency sends judge module, is used for the physiology sign information that senses is analyzed, and judges the generation of emergency; The automatic sending module of emergency sends the first aid signal automatically by wireless mode when being used for the generation of emergency, and sends the information of institute's sensing; Emergency treatment device, the first aid signal that send receiving and analyzing judgement base station and the information of sensing produce Emergency Countermeasures.
According to remote measurement of described physiology sign and warning system, this Worn type physiology sign detector comprises: supra-aural main body fixed mount, and it is hung on wearer's auricle rear portion and the physiology condition sensor is close to wearer's ear rear; Photoelectric sensor is arranged in the supra-aural main body fixed mount, and its sensing points is positioned at wearer's ear rear, is used for the physiology sign information that sensing calculates pulse rate and oxygen saturation; The signal amplification module, itself and photoelectric sensor are electrical connected, and the physiology sign information that receives is amplified; The CPU microprocessor module, itself and photoelectric sensor and signal amplification module are electrical connected respectively, its control photosensor senses physiology sign information and the physiology sign information that senses is input in the signal amplification module is amplified, and receives the signal through the transmission of signal amplification module; Sending module, it links to each other with the CPU microprocessor module, under the control of CPU microprocessor module, sends the physiology sign information that senses by wireless or wired mode.
According to remote measurement of described physiology sign and warning system, this Worn type physiology sign detector also comprises motion sensor, be arranged in the described supra-aural main body fixed mount and link to each other respectively with the signal amplification module, sensing wearer's head movement parameter and amplifying under the control of described CPU microprocessor module with described CPU microprocessor module.
According to remote measurement of described physiology sign and warning system, described CPU microprocessor module also comprises motion compensating module, and this motion compensating module receives the signal of motion sensor, and according to the suitable compensation way of the feature selection of the motor message that senses; The kinematic parameter that senses when this motion sensor is during less than a threshold value A, and the signal that transmission comes to photoelectric sensor does not carry out the output valve of any compensation and this physiology sign detector of buffer memory; The kinematic parameter that senses when this motion sensor is greater than a threshold value A during simultaneously less than another threshold value B, compensate by this kinematic parameter signal that transmission comes to photoelectric sensor, and the signal value after will compensating is as the output of this physiology sign detector, simultaneously the output valve of this physiology condition sensor of buffer memory; The kinematic parameter that senses when this motion sensor is during greater than threshold value B, and the signal that transmission comes to photoelectric sensor does not restore and with the output valve of this buffer memory output valve as this physiology sign detector.
According to remote measurement of described physiology sign and warning system, described Worn type physiology sign detector also comprises temperature sensor, be arranged in the described supra-aural main body fixed mount and link to each other respectively with the signal amplification module, the temperature of sensitive context or skin surface and amplifying under the control of described CPU microprocessor module with described CPU microprocessor module.
According to remote measurement of described physiology sign and warning system, the automatic sending module of described emergency manually sends the first aid signal when also being used for the generation of emergency, and sends the information of institute's sensing.
According to remote measurement of described physiology sign and warning system, described analytical judgment base station is a PC, and it links to each other by antenna wirelessly with described Worn type physiology sign detector.
According to remote measurement of described physiology sign and warning system, described analytical judgment base station is the webserver.
According to remote measurement of described physiology sign and warning system, described emergency treatment device is the webserver.
According to remote measurement of described physiology sign and warning system, the physiology sign information of described sensing is current physiology sign information and calls out preceding physiology sign historical record.
According to remote measurement of described physiology sign and warning system, described physiology condition sensor also comprises a communications reception module, reception is from the numeral at analytical judgment base station and emergency processing center, and literal or voice messaging are also informed the wearer with these information with corresponding manner.
According to remote measurement of described physiology sign and warning system, described physiology condition sensor also comprises a two way voice communication module, and this two way voice communication module is used to carry out communicating by letter of wearer and emergency treatment device.
The present invention also provides remote measurement of a kind of physiology sign and alarming method, remote measurement of physiology sign and the warning system of implementing its method configuration comprise physiology sign detector, analytical judgment base station and emergency treatment device, link to each other by wireless or wired mode between physiology sign detector and analytical judgment base station, the analytical judgment base station links to each other by wired or wireless mode; This physiology sign remote measurement and alarming method comprise the steps:
Step 1, by the physiology sign detector senses physiology sign information that is worn on wearer's ear rear, next the physiology sign information that senses is amplified, by wireless or wired mode the physiology sign information that senses is sent to the analytical judgment base station then;
Step 2, receive the sensitive information that physiology sign detector sends by the analytical judgment base station, next the sensitive information that comes is stored and whether analytical judgment has the generation of emergency to transmitting, if having, and execution in step 3, if do not have, execution in step 1;
The first aid signal that send step 4, emergency treatment device receiving and analyzing judgement base station and the physiology sign information of sensing produce Emergency Countermeasures.
According to remote measurement of described physiology sign and alarming method, the physiology sign information of physiology sign detector senses comprises person's to be measured pulse rate and oxygen saturation, head movement parameter and/or body temperature and ambient temperature in the described step 1.
According to remote measurement of described physiology sign and alarming method,, also comprise the compensation process that the physiology sign information of sensing is carried out motion artifacts according to the head movement parameter in the then described step 2 if the physiology sign information of sensing comprises the head movement parameter.
According to remote measurement of described physiology sign and alarming method, the described compensation process that the physiology sign information of sensing is carried out motion artifacts according to the head movement parameter specifically comprises: this motion sensor kinematic parameter that senses and the threshold value of presetting compared, and according to the suitable compensation way of the feature selection of the motor message that senses; When promptly the kinematic parameter that senses when this motion sensor was less than a threshold value A, the signal that transmission comes to photoelectric sensor did not carry out the output valve of any compensation and this physiology sign detector of buffer memory.The kinematic parameter that senses when this motion sensor is greater than a threshold value A during simultaneously less than another threshold value B, compensate by this kinematic parameter signal that transmission comes to photoelectric sensor, and the signal value after will compensating is as the output of this physiology condition sensor, the output valve of while this Worn type physiology sign detector of buffer memory, the kinematic parameter that senses when this motion sensor is during greater than threshold value B, thinks that signal that the photoelectric sensor transmission comes has been difficult to restore and with the output valve of this buffer memory output valve as this physiology sign detector.
From above technical scheme we as can be seen: Worn type physiology sign detector of the present invention has following advantage:
1) when the wearer wears it, after sensing points was positioned at ear, pick off was completely fixed in the ear back, and it is very gentle to ear institute applied pressure, has improved wearer's comfortable wearing degree, and motion artifacts is less by comparison with other method; Because after pick off is ensconced ear, so do not affect the appearance.
2) the physiology condition sensor comprises motion sensor, to have monitored wearer's head movement parameter simultaneously.Can find athletic posture as this abnormality of falling; And this head movement parameter and pulse signal is interrelated that motion artifacts is compensated is for the urgent abnormal conditions of finding the wearer provide comprehensive and accurate information.
3) the user pick off also comprises temperature sensor, is used for the temperature and the ambient temperature of sensing skin surface.
The present invention also provides remote measurement of physiology sign and the alarming method based on the system of this Worn type physiology sign detector.Complete consideration the optimization of power supply, the warning of low supply voltage, the detection of abnormal physiology sign and notice, communicating by letter between wearer and the emergency processing center.
Physiology sign of the present invention remote measurement and warning system and method monitor old people who is in alone and the physiology sign that loses the viability people.It adds present existing " safety clock " system, when finding that the wearer has the situation of unusual physiology sign sometimes, especially situation is very urgent, when not free the or ability oneself of wearer goes to press pushbutton enable to the urgent call of server, physiology sign of the present invention remote measurement and warning system can start the urgent call to server automatically, for the old people has increased safe guarantee.
In addition, when the wearer manually boots or the remote measurement of physiology sign and warning system start driving surveillance to server automatically, the present physiology sign signal that the person on duty can the at-once monitor wearer and check the historical record of his physiology sign before calling immediately.
Description of drawings
Fig. 1 is the circuit diagram of the physiology sign detector of the embodiment of the invention;
Fig. 2 (a) is the method flow block diagram of the Worn type physiology sign detector of the demonstration embodiment of the invention;
Fig. 2 (b) is the PIC scm software program flow diagram of the Worn type physiology sign detector of the demonstration embodiment of the invention;
Fig. 3 (a) is the structure of 1 pair of light emitting diode, photodiode and supra-aural main body fixed mount in the Worn type physiology sign detector that shows the embodiment of the invention, has removed earphone this moment;
Fig. 3 (b) is supra-aural main body fixed mount, pick off, circuit board and the cell integrated enlarged drawing of the Worn type physiology sign detector of the embodiment of the invention;
Fig. 4 is the pulse signal waveform that writes down when health is static of the physiology sign detector of the embodiment of the invention;
Fig. 5 (a) is the distortion of the pulse signal waveform that write down because the wearer slightly beats for the physiology sign detector of the embodiment of the invention;
Fig. 5 (b) and 5 (c) are the motor message of the physiology sign detector of the embodiment of the invention by two passage acceleration device sensings;
Fig. 6 is the physiology sign remote measurement of the embodiment of the invention and the structure of warning system;
Fig. 7 is for showing PC software program flow chart in embodiment of the invention Worn type physiology sign remote measurement and the warning system.
Wherein, description of reference numerals is as follows:
1 photoelectric sensor
2 motion sensors
3 temperature sensors
4 signal amplification modules
The 5CPU microprocessor
6 sending modules
7 supra-aural main body fixed mounts
8 antennas
The specific embodiment
See also Fig. 1 and Fig. 2 (a), Fig. 1 is the circuit diagram of the physiology sign detector of the embodiment of the invention; Fig. 2 (a) is the method flow block diagram of the Worn type physiology sign detector of the demonstration embodiment of the invention; From above-mentioned figure, can see, this Worn type physiology sign detector specifically can comprise: be used for sensing pulse rate and oxygen saturation level flashlight electric transducer 1, be used for the sensing wearer head movement motion sensor 2 and be used for sensitive context or the temperature sensor of skin surface temperature 3, these pick offs are arranged in the supra-aural main body fixed mount 7, and its sensing points is positioned at wearer's ear rear; Signal amplification module 4, itself and above-mentioned photoelectric sensor 1, motion sensor 2 and temperature sensor 3 are electrically connected, and receive the next physiology sign information of the sensor transmission and carry out processing and amplifying; CPU microprocessor 5, itself and photoelectric sensor 1, motion sensor 2, temperature sensor 3 and signal amplification module 4 are electrical connected respectively, its above-mentioned these pick off sensing physiology sign information of control and the physiology sign information that senses is input in the signal amplification module 4 are amplified, and receive the physiology sign information through 4 transmission of signal amplification module; Sending module 6, it links to each other with CPU microprocessor 5, under 5 controls of CPU microprocessor, by antenna the physiology sign information that senses is sent.
See also Fig. 2 (b), Fig. 2 (b) is the PIC scm software program flow diagram of the Worn type physiology sign detector of the demonstration embodiment of the invention; As shown in the figure, photoelectric sensor 1 adopts a pair of infrarede emitting diode and phototransistor, passes through 1 or 2 channel sensing PPG signals in reflective-mode, just after the ear that both light transmits and receiving sensor all is positioned at.As only being used to monitor pulse, can use visible light or ultrared a pair of light emitting diode (LED) and phototransistor.When the monitoring blood oxygen saturation, the light emitting diode of a pair of different wave length (HONGGUANG is an infrared light with another) and phototransistor are by two channel monitoring PPG signals.The light of different wavelength also can a shared phototransistor that is used to receive.The operation method of blood oxygen saturation is very ripe, just repeats no more at this.
See also Fig. 3 (a) and Fig. 3 (b), Fig. 3 (a) is the structure of 1 pair of light emitting diode, photodiode and supra-aural main body fixed mount in the Worn type physiology sign detector that shows the embodiment of the invention, has removed earphone this moment; Fig. 3 (b) is the whole enlarged drawing of supra-aural main body fixed mount, sensor probe, circuit board and battery of the Worn type physiology sign detector of the embodiment of the invention.
Shown in Fig. 3 (a) and Fig. 3 (b), supra-aural main body fixed mount 7 is resilient, thereby can apply a very little power to skin in the position of photoelectric sensor 1 on being applied to auricle the time, so that photoelectric sensor 1 is close to skin.The shape of supra-aural main body fixed mount 7 and size can be regulated within the specific limits, so that be fit to the ear of difformity and size.Supra-aural main body fixed mount 7 can also be fixed on the spectacle frame.
Photoelectric sensor 1 can be installed on the diverse location on the supra-aural main body fixed mount 7: as be close to the top of auricle, the rear portion of ear-lobe, the middle part of auricle, and other position of auricle.Be close between photoelectric sensor 1 and the ear skin.Material and being close to of ear skin of photoelectric sensor 1 by layer of transparent.Transparent material is generally silica gel or other materials similar.
The diverse location that photoelectric sensor 1 can also have some right visible light/infrarede emitting diodes and phototransistor to be installed in described supra-aural main body fixed mount 7 is for the strongest a pair of of CPU microprocessor module 5 automatic selecting signals.Photoelectric sensor 1 also can have several visible light/infrarede emitting diodes and phototransistor to be installed in the same position of supra-aural main body fixed mount 7, need light how many individual and which visible light/infrarede emitting diodes for the 5 automatic selections of CPU microprocessor module, power consumption is less simultaneously to reach strong signal.Several visible light/infrarede emitting diodes can be arranged in specific shape, such as annular, linear, arc etc.
Based on the basic configuration of above-mentioned Worn type physiology sign detector, integrate the adding motion sensor again, motion sensor is selected from one of them of following set: accelerometer, gyroscope, angular accelerometer and optical motion pick off; It is arranged in the supra-aural main body fixed mount 7 and with CPU microprocessor 5 and links to each other, and is used for sensing wearer's head movement parameter.In conjunction with the sensing and the pulse rate of kinematic parameter, very effective to the warning of wearer's tumbling down suddenly, after the big vibration of falling, pulse rate will unusually increase, and the monitoring of two signal corrections connection can improve certainty factor.The multi-functional of this motion sensor is as follows:
1) is used for sensing wearer's mobility, so that wearer's actual physical state is monitored;
2) motion sensor such as accelerograph can be experienced gravity and provide the information of head pose so that estimate that probably it still is recumbency that the wearer is standing;
3) motion sensor can be felt wearer's tumbling down suddenly, and under this situation, motion sensor can provide a big acceleration to us;
4) kinematic parameter can be used for compensating the interference of the motion artifacts of PPG signal.
In this case, CPU microprocessor module 5 has also comprised motion compensating module, and this motion compensating module receives the signal of motion sensor 2, and according to the suitable compensation way of the feature selection of the motor message that senses.The kinematic parameter that measures when this motion sensor sense 2 is during less than a threshold value A, and the signal that 1 transmission comes to photoelectric sensor does not carry out the output valve of any compensation and this physiology sign detector of buffer memory.The kinematic parameter that senses when this motion sensor 2 is greater than a threshold value A during simultaneously less than another threshold value B, compensate by this kinematic parameter signal that 1 transmission comes to photoelectric sensor, and the signal value after will compensating is as the output of this physiology condition sensor, the output valve of while this Worn type physiology sign detector of buffer memory, the kinematic parameter that senses when this motion sensor 2 is during greater than threshold value B, thinks that signal that photoelectric sensor 1 transmission comes has been difficult to restore and with the output valve of this buffer memory output valve as this physiology sign detector.
Kinematic parameter can be used for compensating the motion artifacts of PPG signal specifically referring to the patent application that is entitled as a kind of portable health-care monitoring arrangement with motion compensation function and compensation method thereof of being applied on August 5th, 2004 by the inventor.
In addition, this Worn type physiology sign detector also further comprises temperature sensor 3, it is arranged in the supra-aural main body fixed mount 7 and with CPU microprocessor 5 and links to each other, it is used for the temperature of sensitive context or skin surface, the temperature that is used for sensitive context or skin surface, the association of parameter between pulse rate and environment or the body skin surface temperature can provide than more comprehensive supervision for the wearer.
When the wearer wore supra-aural main body fixed mount 7, sensing points was positioned at the ear rear, pick off be hidden in postauricular.Also because the standing part of pick off in auricle top and ear rear, and it can bestow gentle pressure to ear-lobe, has increased the comfort level of wearing.With other method, such as detecting wrist or finger, by comparison, because the motion of head is less than the motion of wrist, consequent motion artifacts is smaller, and kinematic parameter and pulse signal, skin surface and ambient temperature are interrelated so that motion artifacts is compensated, and provide comprehensive information to find to use the abnormal conditions of object.
The physiology condition sensor comprises that also LCD display is used for showing any one or the several physiology sign information in pulse rate, blood oxygen saturation, motion amplitude and the temperature that senses.
The CPU microprocessor module of physiology condition sensor comprises that also a phonetic synthesis module becomes voice signal with any one or several physiology sign information translation in the pulse rate, blood oxygen saturation, motion amplitude and the temperature that sense, and allows the wearer hear by sound-producing device.Sound-producing device can be mounted in the Microspeaker in the described supra-aural main body fixed mount, is installed in the Microspeaker in the described physiology condition sensor, or in the earphone that fuses with supra-aural main body fixed mount any one.
The CPU microprocessor module of physiology condition sensor also comprises an alarm reminding module.Belong to undesired if detect the physiology sign, described alarm reminding module will pass through sound-producing device, and color break-up device or shaking device are reminded the wearer.
The CPU microprocessor module of physiology condition sensor comprises that also a power management module optimizes the life-span of battery and cell voltage is monitored.Signal driving amplification module, CPU microprocessor module, sending module and other correlation module that power management module can be controlled described physiology condition sensor are operated in switching mode, promptly work time-out a period of time a period of time, to prolong the working life of battery.When needs, such as detecting abnormal conditions, power management module can be controlled all or part module and enter continuous duty to improve measuring reliability.In addition, power management module can be controlled amplitude that the signal of photoelectric sensor drives and signal amplification multiple to reach compromise between signal quality and the power supply power consumption.Power management module can also be monitored cell voltage, in case find that cell voltage will be lower than normal working voltage, will pass through sound-producing device, color break-up device or shaking device are reminded the wearer, also can this information be sent by sending module simultaneously.
Whole modules of physiology condition sensor and supra-aural main body fixed mount become one.Being used for of physiology condition sensor informs that the LCD display of physiology sign information or sound-producing device can be shared with existing LCD display in the portable type electronic product or sound-producing device.
Above-mentioned Worn type physiology sign detector is applied to the front end of remote measurement of physiology sign and warning system, and automatic or manual sends the first aid signal when being used for the generation of emergency, and sends the information of institute's sensing.See also Fig. 6 and Fig. 7, Fig. 6 is the physiology sign remote measurement of the embodiment of the invention and the structure of warning system; Fig. 7 is for showing PC software program flow chart in embodiment of the invention Worn type physiology sign remote measurement and the warning system; As shown in the figure, this remote measurement of physiology sign and warning system comprise physiology sign detector, analytical judgment base station and emergency treatment device, send the physiology sign information that senses by wireless or wired mode between physiology sign detector and analytical judgment base station; This analytical judgment base station and physiology sign detector be by wireless or wired connection, and it comprises the receiver module that is used to receive the sensing physiology sign information that physiology sign detector sends, be used to store the memory module of the sensing physiology sign information that described receiver module receives, be used for the physiology sign information that senses is analyzed and the emergency of judging the generation of emergency is sent the first aid signal automatically by wireless or wired mode when sending judge module and being used for the generation of emergency and sent the automatic sending module of emergency of the physiology sign information of institute's sensing.The analytical judgment base station is sent the first aid signal to the emergency treatment device automatic or manual by wireless mode when the generation of emergency, and sends the physiology sign information of institute's sensing; The physiology sign information of sensing is current physiology sign information and calls out preceding physiology sign historical record.Emergency treatment device, the first aid signal that send receiving and analyzing judgement base station and the information of sensing produce Emergency Countermeasures.
The information of the physiology sign of Worn type physiology sign detector senses is sent to the analytical judgment base station.The analytical judgment base station may be personal computer or reach this purpose specific device that the emergency processing center is a webserver (Web server).The physiology sign parameter that it can will be sent by described Worn type physiology sign detector by the Internet (Internet) or Intranet (Intranet) is or/and physiology sign signal sends the Internet of mandate or the user of Intranet to.The analytical judgment base station is personal computer and analytical judgment application software in the present embodiment, this analytical judgment application software as shown in Figure 7, this application software finish from the PC serial ports read data, storage and more new data, calculate instant heart rate, calculate average heart rate, send pulse tone, show heart rate data, draw the functions such as Real-time and Dynamic ripple curve that pulse involves acceleration wave.When this software is judged the generation of emergency, then by modem (modem) via wireless or wired communication network (such as telephone, GSM, CDMA or 3G mobile phone, wired Internet network, WiFi or WiMAX wireless network or other similar networks) from trend emergency processing center or emergency center send the physiology sign information of distress signal and sensing, the physiology sign information of this sensing be current physiology sign information and call out before physiology sign historical record.When the wearer goes outdoor when movable, Worn type pick off monitoring wearer's kinematic parameter and parameters such as pulse signal, skin surface and ambient temperature, detected physiology sign information also can be delivered to the analytical judgment base station or the emergency processing center of installing in wearer's the family by cordless communication network.
The PPG signal is handled by the microprocessor processes or the analytical judgment base station of Worn type physiology sign device.Abnormal conditions can be by sensing wearer's pulse rate and blood oxygen saturation.See also Fig. 4, Fig. 5 (a) and Fig. 5 (b) and 5 (c), Fig. 4 is the pulse signal waveform that writes down when health is static of the physiology sign detector of the embodiment of the invention; Fig. 5 (a) is the distortion of the pulse signal waveform that write down because the wearer slightly beats for the physiology sign detector of the embodiment of the invention; Fig. 5 (b) and 5 (c) are the motor message of the physiology sign detector of the embodiment of the invention by two passage acceleration device sensings.At a pinch, wearer's unusual physiology sign is received in the analytical judgment base station, sends the treatment people of different alarm signals to all wearers at once, and the wearer also can send the help signal by dedicated button on the pick off in emergency.Report to the police to the kinsfolk who stays in another room, same apartment with the wearer by voice guard, also can also can report to the police certainly by phone to reporting to the police wearer's the neighbour or the security personnel in apartment by the caretaker of phone to the wearer.Then, the related personnel takes suitable first aid action to this emergency.
The physiology condition sensor also comprises a two way voice communication module.After the wearer manually sends described first aid signal or receive numeral from analytical judgment base station and emergency processing center, behind literal or the voice messaging, the wearer can engage in the dialogue by the service personal at described two way voice communication module and emergency processing center.Simultaneously, the physiology condition sensor comprises that also a communications reception module is responsible for receiving the numeral from analytical judgment base station and emergency processing center, and literal or voice messaging are also informed the wearer with these information with corresponding manner.Described numeral, literal or voice messaging can be relevant physiology sign abnormal conditions, change battery and remind, or other relevant information on services.
Therefore, a kind of physiology sign of the present invention remote measurement and alarming method, remote measurement of physiology sign and the warning system of implementing its method configuration comprise physiology sign detector, analytical judgment base station and emergency treatment device, link to each other by wireless or wired mode between physiology sign detector and analytical judgment base station, the analytical judgment base station links to each other by wired or wireless mode; This physiology sign remote measurement and alarming method comprise the steps:
Step 1, by the physiology sign detector senses physiology sign information that is worn on wearer's ear rear, next the physiology sign information that senses is amplified, by wireless or wired mode the physiology sign information that senses is sent to the analytical judgment base station then;
Step 2, receive the sensitive information that physiology sign detector sends by the analytical judgment base station, next the sensitive information that comes is stored and whether analytical judgment has the generation of emergency to transmitting, if having, and execution in step 3, if do not have, execution in step 1;
The first aid signal that send step 4, emergency treatment device receiving and analyzing judgement base station and the physiology sign information of sensing produce Emergency Countermeasures.
The physiology sign information of physiology sign detector senses comprises person's to be measured pulse rate and oxygen saturation, head movement parameter and/or body temperature and ambient temperature in the step 1.If the physiology sign information of sensing comprises the head movement parameter, also comprise the compensation process that the physiology sign information of sensing is carried out motion artifacts according to the head movement parameter in the then described step 2.Compensation process specifically comprises: this motion sensor kinematic parameter that senses and the threshold value of presetting compared, and according to the suitable compensation way of the feature selection of the motor message that senses; The kinematic parameter that senses when this motion sensor is during less than a threshold value A, and the signal that transmission comes to photoelectric sensor does not carry out the output valve of any compensation and this physiology sign detector of buffer memory.The kinematic parameter that senses when this motion sensor is greater than a threshold value A during simultaneously less than another threshold value B, compensate by this kinematic parameter signal that transmission comes to photoelectric sensor, and the signal value after will compensating is as the output of this physiology condition sensor, the output valve of while this Worn type physiology sign detector of buffer memory, the kinematic parameter that senses when this motion sensor is during greater than threshold value B, thinks that signal that the photoelectric sensor transmission comes has been difficult to restore and with the output valve of this buffer memory output valve as this physiology sign detector.
The present invention's expectation monitors old people who is in alone and the physiology sign that loses the viability people.The Worn type physiology sign detector that the present invention discloses is worn on the ear rear with motion sensor, temperature sensor together with light sensor.When unusual physiology sign situation occurring, when situation was very urgent, if the wearer does not have ability and time oneself to send calling to emergency treatment device, this calling this moment can be carried out automatically.This invention uses also can for the personage be engaged in high risk work, such as the fireman of execution work and police etc.In this case, the Worn type physiology sign detector of the present invention's announcement can combine with the wireless interspeaker of uses such as fireman and police.This invention also can be given any detection of making physiology sign parameter when needing the personage to do outdoor activity that has in addition.Every physiology sign parameter when the athlete can detect training better with the Worn type physiology sign detector that discloses is so that reach better training effect.Even general personage also can write down and detect one day physiology sign parameter and quantity of motion so that keep better condition with the Worn type physiology sign detector that is disclosed.
In addition, when the wearer manually booted or drive emergency treatment device automatically, the person on duty can monitor wearer's present physiology sign signal immediately and check his physiology sign historical record before calling out immediately.The set of cells of this Worn type physiology sign detector can place wearer's cervical region, and places the finger or the pick off of wrist by comparison, can be relatively large, so this Worn type physiology sign sensors work life-span is longer.
The above for the preferred embodiment among the present invention, is not to be used for limiting practical range of the present invention only; Be that all equalizations of being done according to the present patent application claim change and modification, be all claim of the present invention and contain.
Claims (30)
1, a kind of Worn type physiology sign detector, be applied to the front end of remote measurement of physiology sign and warning system, this Worn type physiology sign detector comprises physiology condition sensor and main body fixed mount, and the physiology condition sensor is arranged in the main body fixed mount, is used for sensing wearer's physiology sign information; It is characterized in that described main body fixed mount is a supra-aural main body fixed mount (7), it is hung on wearer's auricle rear portion and the physiology condition sensor is close to wearer's ear rear.
2, Worn type physiology sign detector according to claim 1, it is characterized in that, described physiology condition sensor comprises photoelectric sensor (1), photoelectric sensor (1) is made up of a pair of visible light/infrarede emitting diode and a phototransistor at least, and the physiology sign information of pulse rate and oxygen saturation is calculated in the ear rear of coming sensing to be positioned at the wearer.
3, Worn type physiology sign detector according to claim 1 is characterized in that, described physiology condition sensor comprises many group photoelectric sensors (1), organizes the different parts that photoelectric sensor (1) is installed on described supra-aural main body fixed mount respectively more.
4, according to claim 2 or 3 described Worn type physiology sign detectors, it is characterized in that described physiology condition sensor also comprises:
Signal amplification module (4), itself and photoelectric sensor (1) are electrical connected, and the physiology sign information that senses is amplified;
CPU microprocessor module (5), itself and photoelectric sensor (1) and signal amplification module (4) are electrical connected respectively, its control photoelectric sensor (1) sensing physiology sign information and the physiology sign information that senses is input in the signal amplification module (4) is amplified, and receives the physiology sign information through signal amplification module (4) transmission;
Sending module (6), it links to each other with CPU microprocessor module (5), under CPU microprocessor module (5) control, by wireless or wired mode the physiology sign information that senses is sent.
5, according to claim 2 or 3 described Worn type physiology sign detectors, it is characterized in that, described physiology condition sensor also comprises motion sensor (2), be arranged in the described supra-aural main body fixed mount (7) and link to each other respectively with CPU microprocessor module (5), sensing wearer's head movement parameter and amplifying under the control of described CPU microprocessor module (5) with described signal amplification module (4).
6, Worn type physiology sign detector according to claim 5, it is characterized in that, described CPU microprocessor module (5) also comprises motion compensating module, this motion compensating module receives the signal of motion sensor (2), and according to the suitable compensation way of the feature selection of the motor message that senses; The kinematic parameter that senses when this motion sensor (2) is during less than a threshold value A, and the signal that transmission comes to photoelectric sensor does not carry out the output valve of any compensation and this physiology sign detector of buffer memory; The kinematic parameter that senses when this motion sensor is greater than a threshold value A during simultaneously less than another threshold value B, compensate by this kinematic parameter signal that transmission comes to photoelectric sensor (1), and the signal value after will compensating is as the output of this physiology sign detector, simultaneously the output valve of this physiology condition sensor of buffer memory; The kinematic parameter that senses when this motion sensor (2) is during greater than threshold value B, and the signal that transmission comes to photoelectric sensor does not restore and with the output valve of this buffer memory output valve as this physiology sign detector.
7, according to claim 2 or 3 described Worn type physiology sign detectors, it is characterized in that, described physiology condition sensor also comprises temperature sensor (3), be arranged in the described supra-aural main body fixed mount (7) and link to each other respectively with signal amplification module (4), the temperature of sensitive context or skin surface and amplifying under the control of described CPU microprocessor module (5) with described CPU microprocessor module (5).
8, Worn type physiology sign detector according to claim 1 is characterized in that, the position of photoelectric sensor (1) is installed on the described supra-aural main body fixed mount (7), is close to by the material and the ear skin of layer of transparent.
9, Worn type physiology sign detector according to claim 1 is characterized in that, the shape of described supra-aural main body fixed mount (7) and big I flexible adjustment.
10, Worn type physiology sign detector according to claim 1 is characterized in that described supra-aural main body fixed mount (7) is fixed on the spectacle frame.
11, Worn type physiology sign detector according to claim 1 is characterized in that, described physiology condition sensor comprises that also LCD display is used for showing the physiology sign information that senses.
12, Worn type physiology sign detector according to claim 1, it is characterized in that, described physiology condition sensor also comprises the phonetic synthesis module, and the physiology sign information translation that this phonetic synthesis module is used for sensing becomes voice signal and sends by sound-producing device.
13, Worn type physiology sign detector according to claim 1, it is characterized in that, described physiology condition sensor also comprises reminding module, belongs to undesired if detect the physiology sign, and described reminding module will be reminded the wearer by sound-producing device, color break-up device or shaking device.
14, Worn type physiology sign detector according to claim 1 is characterized in that, the CPU microprocessor module of described physiology condition sensor comprises that also a power management module optimizes the life-span of battery and cell voltage is monitored.
15, remote measurement of a kind of physiology sign and warning system comprise Worn type physiology sign detector; It is characterized in that described Worn type physiology sign detector is close to wearer's ear rear; This physiology sign remote measurement and warning system also comprise:
The analytical judgment base station, with the physiology condition sensor by wireless connections, it comprises:
Receiver module is used to receive the sensing physiology sign information that the physiology condition sensor is sent;
Memory module is used to store the sensing physiology sign information that described receiver module receives;
Emergency sends judge module, is used for the physiology sign information that senses is analyzed, and judges the generation of emergency;
The automatic sending module of emergency sends the first aid signal automatically by wireless mode when being used for the generation of emergency, and sends the information of institute's sensing;
Emergency treatment device, the first aid signal that send receiving and analyzing judgement base station and the information of sensing produce Emergency Countermeasures.
16, physiology sign according to claim 15 remote measurement and warning system is characterized in that, this Worn type physiology sign detector comprises:
Supra-aural main body fixed mount (7), it is hung on wearer's auricle rear portion and the physiology condition sensor is close to wearer's ear rear;
Photoelectric sensor (1) is arranged in the supra-aural main body fixed mount (7), and its sensing points is positioned at wearer's ear rear, is used for the physiology sign information that sensing calculates pulse rate and oxygen saturation;
Signal amplification module (4), itself and photoelectric sensor (1) are electrical connected, and the physiology sign information that receives is amplified;
CPU microprocessor module (5), itself and photoelectric sensor (1) and signal amplification module (4) are electrical connected respectively, its control photoelectric sensor (1) sensing physiology sign information and the physiology sign information that senses is input in the signal amplification module (4) is amplified, and receives the signal through signal amplification module (4) transmission;
Sending module (6), it links to each other with CPU microprocessor module (5), under CPU microprocessor module (5) control, sends the physiology sign information that senses by wireless or wired mode.
17, physiology sign according to claim 16 remote measurement and warning system, it is characterized in that, this Worn type physiology sign detector also comprises motion sensor (2), be arranged in the described supra-aural main body fixed mount (7) and link to each other respectively with signal amplification module (4), sensing wearer's head movement parameter and amplifying under the control of described CPU microprocessor module (5) with described CPU microprocessor module (5).
18, physiology sign according to claim 17 remote measurement and warning system, it is characterized in that, described CPU microprocessor module (5) also comprises motion compensating module, this motion compensating module receives the signal of motion sensor (2), and according to the suitable compensation way of the feature selection of the motor message that senses; The kinematic parameter that senses when this motion sensor (2) is during less than a threshold value A, and the signal that transmission comes to photoelectric sensor does not carry out the output valve of any compensation and this physiology sign detector of buffer memory; The kinematic parameter that senses when this motion sensor is greater than a threshold value A during simultaneously less than another threshold value B, compensate by this kinematic parameter signal that transmission comes to photoelectric sensor (1), and the signal value after will compensating is as the output of this physiology sign detector, simultaneously the output valve of this physiology condition sensor of buffer memory; The kinematic parameter that senses when this motion sensor (2) is during greater than threshold value B, and the signal that transmission comes to photoelectric sensor does not restore and with the output valve of this buffer memory output valve as this physiology sign detector.
19, physiology sign according to claim 16 remote measurement and warning system, it is characterized in that, described Worn type physiology sign detector also comprises temperature sensor (3), be arranged in the described supra-aural main body fixed mount (7) and link to each other respectively with signal amplification module (4), the temperature of sensitive context or skin surface and amplifying under the control of described CPU microprocessor module (5) with described CPU microprocessor module (5).
20, physiology sign according to claim 15 remote measurement and warning system is characterized in that, the automatic sending module of described emergency manually sends the first aid signal when also being used for the generation of emergency, and send the information of institute's sensing.
21, physiology sign according to claim 15 remote measurement and warning system is characterized in that, described analytical judgment base station is a PC, and it links to each other by antenna (8) wirelessly with described Worn type physiology sign detector.
22, physiology sign according to claim 15 remote measurement and warning system is characterized in that, described analytical judgment base station is the webserver.
23, physiology sign according to claim 15 remote measurement and warning system is characterized in that, described emergency treatment device is the webserver.
24, physiology sign according to claim 15 remote measurement and warning system is characterized in that, the physiology sign information of described sensing is current physiology sign information and calls out preceding physiology sign historical record.
25, physiology sign according to claim 15 remote measurement and warning system, it is characterized in that, described physiology condition sensor also comprises a communications reception module, reception is from the numeral at analytical judgment base station and emergency processing center, and literal or voice messaging are also informed the wearer with these information with corresponding manner.
26, physiology sign according to claim 15 remote measurement and warning system is characterized in that, described physiology condition sensor also comprises a two way voice communication module, and this two way voice communication module is used to carry out communicating by letter of wearer and emergency treatment device.
27, remote measurement of a kind of physiology sign and alarming method, remote measurement of physiology sign and the warning system of implementing its method configuration comprise physiology sign detector, analytical judgment base station and emergency treatment device, link to each other by wireless or wired mode between physiology sign detector and analytical judgment base station, the analytical judgment base station links to each other by wired or wireless mode; This physiology sign remote measurement and alarming method comprise the steps:
Step 1, by the physiology sign detector senses physiology sign information that is worn on wearer's ear rear, next the physiology sign information that senses is amplified, by wireless or wired mode the physiology sign information that senses is sent to the analytical judgment base station then;
Step 2, receive the sensitive information that physiology sign detector sends by the analytical judgment base station, next the sensitive information that comes is stored and whether analytical judgment has the generation of emergency to transmitting, if having, and execution in step 3, if do not have, execution in step 1;
Step 3, automatically send the first aid signal to emergency treatment device by wireless mode, and send the physiology sign information of institute's sensing by the analytical judgment base station.
The first aid signal that send step 4, emergency treatment device receiving and analyzing judgement base station and the physiology sign information of sensing produce Emergency Countermeasures.
28, physiology sign according to claim 27 remote measurement and alarming method, it is characterized in that the physiology sign information of physiology sign detector senses comprises person's to be measured pulse rate and oxygen saturation, head movement parameter and/or body temperature and ambient temperature in the described step 1.
29, physiology sign according to claim 28 remote measurement and alarming method, it is characterized in that, if the physiology sign information of sensing comprises the head movement parameter, also comprise the compensation process that the physiology sign information of sensing is carried out motion artifacts according to the head movement parameter in the then described step 2.
30, physiology sign according to claim 29 remote measurement and alarming method, it is characterized in that, the described compensation process that the physiology sign information of sensing is carried out motion artifacts according to the head movement parameter specifically comprises: this motion sensor kinematic parameter that senses and the threshold value of presetting compared, and according to the suitable compensation way of the feature selection of the motor message that senses; The kinematic parameter that senses when this motion sensor is during less than a threshold value A, and the signal that transmission comes to photoelectric sensor does not carry out the output valve of any compensation and this physiology sign detector of buffer memory.The kinematic parameter that senses when this motion sensor is greater than a threshold value A during simultaneously less than another threshold value B, compensate by this kinematic parameter signal that transmission comes to photoelectric sensor, and the signal value after will compensating is as the output of this physiology condition sensor, the output valve of while this Worn type physiology sign detector of buffer memory, the kinematic parameter that senses when this motion sensor is during greater than threshold value B, thinks that signal that the photoelectric sensor transmission comes has been difficult to restore and with the output valve of this buffer memory output valve as this physiology sign detector.
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