CN102429642B - Method and system for acquiring physiological information and converter - Google Patents
Method and system for acquiring physiological information and converter Download PDFInfo
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- CN102429642B CN102429642B CN201110288365.5A CN201110288365A CN102429642B CN 102429642 B CN102429642 B CN 102429642B CN 201110288365 A CN201110288365 A CN 201110288365A CN 102429642 B CN102429642 B CN 102429642B
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Abstract
The invention discloses a method and a system for acquiring physiological information, a collector and a converter. The method comprises the steps of: amplifying initial physiological signals collected; filtering the amplified initial physiological signals according to the frequency of the physiological signal required and acquiring at least two physiological signals required; and performing Fourier transform respectively for the at least two physiological signals to acquire the physiological information corresponding to the at least two physiological signals. The invention can respectively filter the initial physiological signals collected to acquire single and clear physiological signals and then carries out Fourier transform for the at least two physiological signals to acquire the accurate physiological information corresponding to the physiological signals.
Description
Technical field
The present invention relates to physiologic information and obtain technology, specially refer to method, system and conversion equipment that a kind of physiologic information obtains.
Background technology
Physiology signal harvester of the prior art, need to pass through signal electrode and human body skin close contact, to gather the pressure signal of muscle generation and to be converted to the signal of telecommunication, process, obtain the physiological signal that body weight for humans is wanted, such as physiological signals such as heart beating, breathing and tics.
Above-mentioned physiology signal harvester needs and human body skin close contact in the gatherer process that carries out physiological signal, in use will bring inconvenience to user; Simultaneously, during collection, signal electrode need be sticked in to human body skin surface, may be because the not equal reason in the human body skin position of pasting forms different impedances at every turn, thereby cause the intensity (amplitude) of the signal that gathers unstable, making possibly cannot accurately collect needed physiological signal, such as the strength signal of heart beating etc.
Summary of the invention
The method of main purpose of the present invention for providing a kind of physiologic information to obtain, can conveniently obtain physiologic information accurately.
The present invention proposes a kind of method that physiologic information obtains, and comprises step:
The initial physiological signal gathering is amplified; Described initial physiological signal refers to, by contactless physiological signal collecting device, by corrugated flexible body is set, human pressure is converted to tensile force, and utilizes tensile force sensor to produce the signal of telecommunication according to this tensile force, this signal of telecommunication is initial physiological signal;
According to the frequency of needed physiological signal, filter the initial physiological signal after amplifying, obtain needed at least two physiological signals;
By described at least two physiological signals carry out respectively Fourier transform obtain described at least two physiologic informations that physiological signal is corresponding;
After the described step of obtaining needed at least two physiological signals, also comprise:
By the parsing to the amplitude discrimination of described at least two physiological signals and phase place, judge human action; Concrete steps are, by the accidental strong signal of two physiological signals gathering is carried out to phase place comparison, just can analyze human body and get up or lie down, by the strong periodic signal occurring in one of them physiological signal being carried out to amplitude discrimination, just can judge tic or breathe.
Preferably, described by the parsing to the amplitude discrimination of described at least two physiological signals and phase place, after the step of judgement human action, also comprise:
According to described physiologic information, generate list, carry out record.
Preferably, described by the parsing to the amplitude discrimination of described at least two physiological signals and phase place, after the step of judgement human action, also comprise:
According to described physiologic information, report to the police.
Preferably, after obtaining the step of needed at least two physiological signals described in, also comprise:
Described at least two physiological signals are carried out to digitized;
By wireless transparent transmission mode, export.
The present invention also proposes a kind of physiologic information conversion equipment, comprising:
Converter unit, by least two physiological signals carry out respectively Fourier transform obtain described at least two physiologic informations that physiological signal is corresponding;
Identifying unit, by the parsing to the amplitude discrimination of described at least two physiological signals and phase place, judges human action; Specifically for, by the accidental strong signal of two physiological signals gathering is carried out to phase place comparison, just can analyze human body and get up or lie down, by the strong periodic signal occurring in one of them physiological signal being carried out to amplitude discrimination, just can judge tic or breathe.
The present invention also proposes the system that a kind of physiologic information obtains, and comprises physiology signal acquisition device and physiologic information conversion equipment;
Described physiology signal acquisition device comprises:
Signal amplification unit, amplifies the initial physiological signal gathering; Described initial physiological signal refers to, by contactless physiological signal collecting device, by corrugated flexible body is set, human pressure is converted to tensile force, and utilizes tensile force sensor to produce the signal of telecommunication according to this tensile force, this signal of telecommunication is initial physiological signal;
Filter unit, according to the frequency of needed physiological signal, filters the initial physiological signal after amplifying, and obtains needed at least two physiological signals;
Described physiologic information conversion equipment comprises:
Converter unit, by described at least two physiological signals carry out respectively Fourier transform obtain described at least two physiologic informations that physiological signal is corresponding;
Identifying unit, by the parsing to the amplitude discrimination of described at least two physiological signals and phase place, judges human action; Specifically for, by the accidental strong signal of two physiological signals gathering is carried out to phase place comparison, just can analyze human body and get up or lie down, by the strong periodic signal occurring in one of them physiological signal being carried out to amplitude discrimination, just can judge tic or breathe.
The present invention can be by filtering respectively the initial physiological signal gathering, and obtains single, physiological signal clearly, more at least two these physiological signals are carried out to Fourier transform and obtain the physiologic information accurately that physiological signal is corresponding; Meanwhile, can carry out the parsing of amplitude discrimination and phase place at least two these physiological signals, thereby know human action; And can build table to above-mentioned physiologic information and preserve, be convenient to analysis in the future and consult; Separately can report to the police according to physiologic information, ensure the personal safety of user.
Accompanying drawing explanation
Fig. 1 is the steps flow chart schematic diagram of method one embodiment that obtains of physiologic information of the present invention;
Fig. 2 is the steps flow chart schematic diagram of another embodiment of method of obtaining of physiologic information of the present invention;
Fig. 3 is the structural representation of physiology signal acquisition device one embodiment of the present invention;
Fig. 4 is the structural representation of physiologic information conversion equipment one embodiment of the present invention;
Fig. 5 is the structural representation of system one embodiment that obtains of physiologic information of the present invention.
The realization of the object of the invention, functional characteristics and advantage, in connection with embodiment, are described further with reference to accompanying drawing.
The specific embodiment
Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
With reference to Fig. 1, an embodiment of the method that a kind of physiologic information of proposition the present invention obtains.The method can comprise:
Step S10, the initial physiological signal gathering is amplified;
Step S11, according to the frequency of needed physiological signal, the initial physiological signal after filter amplifying, obtains needed at least two physiological signals;
Step S12, by described at least two physiological signals carry out respectively Fourier transform obtain described at least two physiologic informations that physiological signal is corresponding.
In the present embodiment, first, can carry out the collection of initial physiological signal by least two physiological signal collecting devices are set, obtain at least two parts of initial physiological signals.This physiological signal collecting device can be contactless physiological signal collection, by corrugated flexible body is set, human pressure is converted to tensile force, and utilize tensile force sensor to produce the signal of telecommunication according to this tensile force, this signal of telecommunication is initial physiological signal, and this signal of telecommunication is generally analog electrical signal.Then, by signal amplification circuit, above-mentioned initial physiological signal is amplified.Again, to carrying out filtering and Fourier transform etc., to obtain the physiologic information of human body.Above-mentioned physiological signal comprises the signals such as breathing, heart beating, tic and motion.
In the present embodiment, for obtaining needed physiological signal clearly, two physiological signal collecting devices can be set, to obtain two parts of initial physiological signals and to amplify respectively, simultaneously, by two filter circuits, respectively two parts of initial physiological signals after amplifying are carried out to filtering, utilize two filter circuits are carried out respectively to frequency configuration, can obtain respectively single, physiological signal clearly.Such as the frequency separation of heartbeat signal is generally 0.7Hz to 3Hz, its amplitude is when magnify 20, and about 400mvpp, can filter the breath signal of 0.7Hz to 3Hz or interfering signal etc. by the parameter of filtered circuit is set, thereby obtains single, heartbeat signal clearly.
With reference to Fig. 2, after above-mentioned steps S11, also can comprise:
Step S111, described at least two physiological signals are carried out to digitized;
Step S112, by wireless transparent transmission mode, export.
Obtain single, clearly after physiological signal, by A/D(Analog/Digital, analog/digital) change-over circuit 23, this physiological signal is carried out to digitized, analogue signal is converted to digital signal, then exports by wireless transparent transmission mode.
The physiological signal that reception is exported by above-mentioned wireless transparent transmission mode, and carry out Fourier transform and obtain physiologic information, this physiologic information can comprise the numerical value that physiological signal is corresponding etc.Such as carrying out Fourier transform to above-mentioned heartbeat signal, read frequency spectrum maximum as heart rate data accurately.The Fourier of above-mentioned at least two physiological signals changes and can carry out respectively.
After above-mentioned steps S11, also can comprise:
Step S13, by the parsing to the amplitude discrimination of described at least two physiological signals and phase place, judge human action.
Above-mentioned at least two physiological signals are carried out to amplitude discrimination and the parsing to signal phase, just can know and use to as if twitch, get up, sit down or lie down etc.Suppose that physiological signal collecting device A and B obtain respectively after heart beating and breath signal, also can responsive this heart beating of transmission and breath signal.And heart rate is relevant with the phase place of this heart beating and breath signal with breathing rate, heart beating intensity is relevant with the amplitude of this heart beating and breath signal with respiratory intensity, the signal that exceeds heart beating and breath signal amplitude set point can be understood as the action of health, as twitched, get up, under time, stir etc., by the accidental strong signal of two physiological signals that gather carried out to phase place comparison, just can analyze monitored object gets up or lies down, by the strong periodic signal occurring in one of them physiological signal being carried out to amplitude discrimination, just can judge tic or breathe.
After above-mentioned steps S12 and/or step S13, also can comprise:
Step S121, according to described physiologic information, generate list, carry out record.The above-mentioned physiologic information (such as data such as heart beating, breathings) obtaining and/or human action can be set up to list and preserve, be convenient to post analysis with consult.
After above-mentioned steps S12, also can comprise:
Step S122, according to described physiologic information, report to the police.
The threshold value of above-mentioned physiologic information can be set, and when physiologic information exceeds or during lower than this threshold value, can report to the police, this warning can be onsite alarming or long-distance alarm etc., can be used for reminding user, user relatives or medical worker etc.This threshold value can customize setting.
The method that physiologic information of the present invention obtains, can be by filtering respectively the initial physiological signal gathering, and obtains single, physiological signal clearly, more at least two these physiological signals are carried out to Fourier transform and obtain the physiologic information accurately that physiological signal is corresponding; Meanwhile, can carry out the parsing of amplitude discrimination and phase place at least two these physiological signals, thereby know human action; And can build table to above-mentioned physiologic information and preserve, be convenient to analysis in the future and consult; Separately can report to the police according to physiologic information, ensure the personal safety of user.
With reference to Fig. 3, an embodiment of a kind of physiology signal acquisition device 20 of the present invention is proposed.This harvester 20 can comprise: signal amplification unit 21 and filter unit 22; This signal amplification unit 21, amplifies the initial physiological signal gathering; This filter unit 22, according to the frequency of needed physiological signal, filters the initial physiological signal after amplifying, and obtains needed at least two physiological signals.
In the present embodiment, first, can carry out the collection of initial physiological signal by least two physiological signal collecting devices are set, obtain at least two parts of initial physiological signals.This physiological signal collecting device can be contactless physiological signal collection, by corrugated flexible body is set, human pressure is converted to tensile force, and utilize tensile force sensor to produce the signal of telecommunication according to this tensile force, this signal of telecommunication is initial physiological signal, and this signal of telecommunication is generally analog electrical signal.Then, by above-mentioned signal amplification unit 21(signal amplification circuit) above-mentioned initial physiological signal is amplified.Again, to carrying out filtering and Fourier transform etc., to obtain the physiologic information of human body.Above-mentioned physiological signal comprises the signals such as breathing, heart beating, tic and motion.
In the present embodiment, for obtaining needed physiological signal clearly, two physiological signal collecting devices can be set, to obtain two parts of initial physiological signals and to amplify respectively, simultaneously, two filter circuits that arrange by filter unit 22 carry out filtering to two parts of initial physiological signals after amplifying respectively, utilize two filter circuits are carried out respectively to frequency configuration, can obtain respectively single, physiological signal clearly.Such as the frequency separation of heartbeat signal is generally 0.7Hz to 3Hz, its amplitude is when magnify 20, and about 400mvpp, can filter the breath signal of 0.7Hz to 3Hz or interfering signal etc. by the parameter of filtered circuit is set, thereby obtains single, heartbeat signal clearly.
Above-mentioned harvester 20 also can comprise: A/D(Analog/Digital, analog/digital) change-over circuit 23 and wireless transparent transmission circuit 24; This A/D change-over circuit 23 can carry out digitized by described at least two physiological signals; This wireless transparent transmission circuit 24 can be exported by wireless transparent transmission mode.
Obtain single, clearly after physiological signal, by A/D change-over circuit 23, this physiological signal is carried out to digitized, analogue signal is converted to digital signal, then exports in wireless transparent transmission mode by wireless transparent transmission circuit 24.
With reference to Fig. 4, an embodiment of a kind of physiologic information conversion equipment 30 of the present invention is proposed.This conversion equipment 30 can comprise: converter unit 31, by least two physiological signals carry out respectively Fourier transform obtain described at least two physiologic informations that physiological signal is corresponding.
Above-mentioned converter unit 31 can receive the physiological signal of exporting by above-mentioned wireless transparent transmission mode, and carries out Fourier transform and obtain physiologic information, and this physiologic information can comprise the numerical value that physiological signal is corresponding etc.Such as carrying out Fourier transform to above-mentioned heartbeat signal, read frequency spectrum maximum as heart rate data accurately.The Fourier of above-mentioned at least two physiological signals changes and can carry out respectively.
Above-mentioned conversion equipment 30 also comprises: identifying unit 32, by the parsing to the amplitude discrimination of described at least two physiological signals and phase place, judge human action.
Above-mentioned identifying unit 32 can carry out amplitude discrimination and the parsing to signal phase to above-mentioned at least two physiological signals, just can know to use to as if twitch, get up, sit down or lie down etc.Suppose that physiological signal collecting device A and B obtain respectively after heart beating and breath signal, also can responsive this heart beating of transmission and breath signal.And heart rate is relevant with the phase place of this heart beating and breath signal with breathing rate, heart beating intensity is relevant with the amplitude of this heart beating and breath signal with respiratory intensity, the signal that exceeds heart beating and breath signal amplitude set point can be understood as the action of health, as twitched, get up, under time, stir etc., by the accidental strong signal of two physiological signals that gather carried out to phase place comparison, just can analyze monitored object gets up or lies down, by the strong periodic signal occurring in one of them physiological signal being carried out to amplitude discrimination, just can judge tic or breathe.
Above-mentioned conversion equipment 30 also can comprise: storage unit 33, according to described physiologic information, generate list, and carry out record.This storage unit 33 can be set up list by the above-mentioned physiologic information (such as data such as heart beating, breathings) obtaining and/or human action and preserve, be convenient to post analysis with consult.
Above-mentioned conversion equipment 30 also can comprise: alarm unit 34, according to described physiologic information, report to the police.This alarm unit 34 can arrange the threshold value of above-mentioned physiologic information, when physiologic information exceeds or during lower than this threshold value, can report to the police, this warning can be onsite alarming or long-distance alarm etc., can be used for reminding user, user relatives or medical worker etc.This threshold value can customize setting.
With reference to Fig. 5, an embodiment of the system that a kind of physiologic information of proposition the present invention obtains.This system can comprise physiology signal acquisition device 20 and physiologic information conversion equipment 30; This physiology signal acquisition device 20 comprises: signal amplification unit 21 and filter unit 22, and this signal amplification unit 21, amplifies the initial physiological signal gathering; This filter unit 22, according to the frequency of needed physiological signal, filters the initial physiological signal after amplifying, and obtains needed at least two physiological signals; This physiologic information conversion equipment 30 comprises: converter unit 31, by described at least two physiological signals carry out respectively Fourier transform obtain described at least two physiologic informations that physiological signal is corresponding.
In the present embodiment, the harvester 20 in said system and conversion equipment 30 can be distinguished independent setting, by wireless transparent transmission mode, carry out transfer of data.This harvester 20 and conversion equipment 30 can be the harvester 20 described in above-described embodiment and conversion equipment 30.
The system that physiologic information of the present invention obtains, can be by filtering respectively the initial physiological signal gathering, and obtains single, physiological signal clearly, more at least two these physiological signals are carried out to Fourier transform and obtain the physiologic information accurately that physiological signal is corresponding; Meanwhile, can carry out the parsing of amplitude discrimination and phase place at least two these physiological signals, thereby know human action; And can build table to above-mentioned physiologic information and preserve, be convenient to analysis in the future and consult; Separately can report to the police according to physiologic information, ensure the personal safety of user.
The foregoing is only the preferred embodiments of the present invention; not thereby limit the scope of the claims of the present invention; every equivalent structure or conversion of equivalent flow process that utilizes description of the present invention and accompanying drawing content to do; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (6)
1. the method that physiologic information obtains, is characterized in that, comprises step:
The initial physiological signal gathering is amplified; Described initial physiological signal refers to, by contactless physiological signal collecting device, by corrugated flexible body is set, human pressure is converted to tensile force, and utilizes tensile force sensor to produce the signal of telecommunication according to this tensile force, this signal of telecommunication is initial physiological signal;
According to the frequency of needed physiological signal, filter the initial physiological signal after amplifying, obtain needed at least two physiological signals;
By described at least two physiological signals carry out respectively Fourier transform obtain described at least two physiologic informations that physiological signal is corresponding;
After the described step of obtaining needed at least two physiological signals, also comprise:
By the parsing to the amplitude discrimination of described at least two physiological signals and phase place, judge human action; Concrete steps are, by the accidental strong signal of two physiological signals gathering is carried out to phase place comparison, just can analyze human body and get up or lie down, by the strong periodic signal occurring in one of them physiological signal being carried out to amplitude discrimination, just can judge tic or breathe.
2. the method that physiologic information according to claim 1 obtains, is characterized in that, described by the parsing to the amplitude discrimination of described at least two physiological signals and phase place, after the step of judgement human action, also comprises:
According to described physiologic information, generate list, carry out record.
3. the method that physiologic information according to claim 1 and 2 obtains, is characterized in that, described by the parsing to the amplitude discrimination of described at least two physiological signals and phase place, after the step of judgement human action, also comprises:
According to described physiologic information, report to the police.
4. the method that physiologic information according to claim 1 obtains, is characterized in that, described in also comprise after obtaining the step of needed at least two physiological signals:
Described at least two physiological signals are carried out to digitized;
By wireless transparent transmission mode, export.
5. a physiologic information conversion equipment, is characterized in that, comprising:
Converter unit, by least two physiological signals carry out respectively Fourier transform obtain described at least two physiologic informations that physiological signal is corresponding;
Identifying unit, by the parsing to the amplitude discrimination of described at least two physiological signals and phase place, judges human action; Specifically for, by the accidental strong signal of two physiological signals gathering is carried out to phase place comparison, just can analyze human body and get up or lie down, by the strong periodic signal occurring in one of them physiological signal being carried out to amplitude discrimination, just can judge tic or breathe.
6. the system that physiologic information obtains, is characterized in that, comprises physiology signal acquisition device and physiologic information conversion equipment;
Described physiology signal acquisition device comprises:
Signal amplification unit, amplifies the initial physiological signal gathering; Described initial physiological signal refers to, by contactless physiological signal collecting device, by corrugated flexible body is set, human pressure is converted to tensile force, and utilizes tensile force sensor to produce the signal of telecommunication according to this tensile force, this signal of telecommunication is initial physiological signal;
Filter unit, according to the frequency of needed physiological signal, filters the initial physiological signal after amplifying, and obtains needed at least two physiological signals;
Described physiologic information conversion equipment comprises:
Converter unit, by described at least two physiological signals carry out respectively Fourier transform obtain described at least two physiologic informations that physiological signal is corresponding;
Identifying unit, by the parsing to the amplitude discrimination of described at least two physiological signals and phase place, judges human action; Specifically for, by the accidental strong signal of two physiological signals gathering is carried out to phase place comparison, just can analyze human body and get up or lie down, by the strong periodic signal occurring in one of them physiological signal being carried out to amplitude discrimination, just can judge tic or breathe.
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| CN105278481A (en) * | 2014-07-08 | 2016-01-27 | 昆山研达电脑科技有限公司 | Intelligent household control system and method |
| CN105595672A (en) * | 2016-01-13 | 2016-05-25 | 上海乔马电子科技有限公司 | Intelligent mattress system and method for accurately acquiring human body vital sign data on mattress |
| WO2018027529A1 (en) * | 2016-08-09 | 2018-02-15 | 深圳市汇顶科技股份有限公司 | Button operation method, apparatus, and system based on heart-rate signal |
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Effective date of registration: 20191008 Address after: 518000 405A, 01B, E District, industrial park, Nantou street, Nanshan District, Guangdong, China Patentee after: Shenzhen Zhiwin Technology Co., Ltd. Address before: 510000, room 126, 2107 Xin Xin Road, Yuexiu District temple, Guangdong, Guangzhou Patentee before: Yang Song |