CN106618588A - Automatic detection human body tripping sensing method and device based on pulse feedback - Google Patents

Automatic detection human body tripping sensing method and device based on pulse feedback Download PDF

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Publication number
CN106618588A
CN106618588A CN201710113684.XA CN201710113684A CN106618588A CN 106618588 A CN106618588 A CN 106618588A CN 201710113684 A CN201710113684 A CN 201710113684A CN 106618588 A CN106618588 A CN 106618588A
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pulse
human body
signal
judging
feedback
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Inventor
吴佩萱
梁烽
张克维
陈新
王晗
张麟
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Jiangsu Connecticut Intelligent Technology Co., Ltd.
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Guangdong University of Technology
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Measuring for diagnostic purposes; Identification of persons
    • A61B5/103Detecting, measuring or recording devices for testing the shape, pattern, colour, size or movement of the body or parts thereof, for diagnostic purposes
    • A61B5/11Measuring movement of the entire body or parts thereof, e.g. head or hand tremor, mobility of a limb
    • A61B5/1116Determining posture transitions
    • A61B5/1117Fall detection
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Measuring for diagnostic purposes; Identification of persons
    • A61B5/02Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Measuring for diagnostic purposes; Identification of persons
    • A61B5/103Detecting, measuring or recording devices for testing the shape, pattern, colour, size or movement of the body or parts thereof, for diagnostic purposes
    • A61B5/11Measuring movement of the entire body or parts thereof, e.g. head or hand tremor, mobility of a limb
    • A61B5/1126Measuring movement of the entire body or parts thereof, e.g. head or hand tremor, mobility of a limb using a particular sensing technique
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Measuring for diagnostic purposes; Identification of persons
    • A61B5/68Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
    • A61B5/6801Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be attached to or worn on the body surface
    • A61B5/6802Sensor mounted on worn items
    • A61B5/681Wristwatch-type devices
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Measuring for diagnostic purposes; Identification of persons
    • A61B5/68Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
    • A61B5/6801Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be attached to or worn on the body surface
    • A61B5/6813Specially adapted to be attached to a specific body part
    • A61B5/6824Arm or wrist
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Measuring for diagnostic purposes; Identification of persons
    • A61B5/72Signal processing specially adapted for physiological signals or for diagnostic purposes
    • A61B5/7271Specific aspects of physiological measurement analysis
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Measuring for diagnostic purposes; Identification of persons
    • A61B5/74Details of notification to user or communication with user or patient ; user input means
    • A61B5/746Alarms related to a physiological condition, e.g. details of setting alarm thresholds or avoiding false alarms

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • General Health & Medical Sciences (AREA)
  • Veterinary Medicine (AREA)
  • Biophysics (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • Physics & Mathematics (AREA)
  • Public Health (AREA)
  • Pathology (AREA)
  • Physiology (AREA)
  • Dentistry (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Cardiology (AREA)
  • Artificial Intelligence (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Psychiatry (AREA)
  • Signal Processing (AREA)
  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)

Abstract

The embodiment of the invention discloses an automatic detection human body tripping sensing method and device based on pulse feedback. Microwaves are transmitted and received by a microwave sensor, and the human body activity phenomenon is detected by means of the Doppler effect; meanwhile, whether a human trips or not is judged by means of pulse information detected by a pulse detection wristband so as to achieve the effects of improving the accuracy and decreasing the misjudgment rate.

Description

A kind of automatic detection falling over of human body method for sensing fed back based on pulse and device
Technical field
The present invention relates to falling over of human body sensor field is detected, more particularly to a kind of automatic detection people fed back based on pulse Body falls down method for sensing and device.
Background technology
The problem of an aging population has become the significant problem involved the interests of the state and the people with national long-term stability.China facing is increasingly Severe aging population situation, year《Countries population's Study of developing strategy is reported》Point out:China over-65s elderly population oneself Up to 1.43 hundred million, the 11% of total population is accounted for, the middle of this century is up to more than 400,000,000, proportion will be up to 30%, and Chinese oneself formally enters " aged epoch ".Nearly 3/4ths with a kind of or even various chronic diseases in the elderly of over-65s, and these diseases one Denier outbreak can all cause serious consequence mostly, such as suffering a shock, faint etc. causes the elderly to fall suddenly.It is the elderly to fall down Outstanding problem, the elderly of over-65s has every year 30%~40% to fall down, wherein 50% old age having artificially falls down people repeatedly Group;Fall down incidence to increase with age growth, firmly annual 50% fall down in the elderly of home for destitute and hospital, Falls Among Old People is sent out Raw rate is high, harmfulness is big, is shown according to a statistics from the U.S., and the 6th of old man's cause of death is exactly injury Fall, because of tumble, died accounts for 70%, more than 80 years old Falls Among Old People be in the cause of the death first three.The daily monitoring of patient the old and the weak is no longer Only family problem, it has also become the social concern for affecting China's economic development to solve.
The elderly falls down the method for detection and can be generally divided into three classes:1 detection method based on video, is remembered using camera The moving situation of record human body, through specific image processing algorithm, judges whether to fall.Fall detection system based on video System by camera since it is desired that be arranged on fixed place, therefore the scope that can be monitored is limited.In addition, it is also possible to being supervised Survey person causes the leakage of individual privacy.2 methods based on sound signal, this method installs more complicated, and fund input is also compared It is larger, and good precision cannot be obtained, so the method is seldom used in practical application.3 devices based on Wearable Monitoring, this system is that sensor is embedded into wearable device or the privileged site of human body is directly worn on, so as to reality Now to the monitor in real time of monitoring individual, but the system is insensitive to falling laterally.
Therefore, for above-mentioned technical problem, it is necessary to provide a kind of accurate rate high automatic detection falling over of human body sensing side Method and device, to solve the problems of existing detection technique.
The content of the invention
A kind of automatic detection falling over of human body method for sensing fed back based on pulse and device are embodiments provided, can To realize pinpoint accuracy automatic detection falling over of human body, and lower False Rate.
A kind of automatic detection falling over of human body method for sensing fed back based on pulse is embodiments provided, including:
S1:Control microwave remote sensor transmitting microwave signal, is got and the microwave signal by the microwave remote sensor Corresponding feedback wave signal;
S2:After judging that the feedback wave signal is equal with default value, confirm that physical activity is abnormal and performs S3;
Or
After judging the feedback wave signal in pre- feedback range of signal, confirm that physical activity is normal and out of service Preset time, then re-execute S1;
S3:The beat pulse data sent by pulse detection bracelet are got, judges that whether the beat pulse data exist In preset normal pulse beating scope, if not existing, operation of reporting to the police is performed, if performing S4;
S4:Cycle-index k=k+1 is made, judges that k, whether more than preset loop number of times, if being more than, performs operation of reporting to the police, If being not more than, S2 is performed.
Preferably, the pulse detection bracelet is pulse detection sensor.
Preferably, it is described to report to the police operation to send alarm or giving notice note to mobile terminal.
Preferably, the embodiment of the present invention additionally provides a kind of automatic detection falling over of human body sensing dress fed back based on pulse Put, including:
Control unit, for controlling microwave remote sensor transmitting microwave signal, is got and institute by the microwave remote sensor State the corresponding feedback wave signal of microwave signal;
Confirmation unit, for after judging that the feedback wave signal is equal with default value, confirming that physical activity is abnormal And trigger the first judging unit;
Or
After judging the feedback wave signal in pre- feedback range of signal, confirm that physical activity is normal and out of service Preset time, then retriggered described control unit;
First judging unit, for getting the beat pulse data sent by pulse detection bracelet, judges described Beat pulse data, if not existing, perform operation of reporting to the police whether in preset normal pulse beating scope, if performing second and sentencing Disconnected unit;
Whether second judging unit, for making cycle-index k=k+1, judge k more than preset loop number of times, if greatly In, then operation of reporting to the police is performed, if being not more than, trigger the confirmation unit.
Preferably, the pulse detection bracelet is pulse detection sensor.
Preferably, it is described to report to the police operation to send alarm or giving notice note to mobile terminal.
As can be seen from the above technical solutions, the embodiment of the present invention has advantages below:
A kind of automatic detection falling over of human body method for sensing fed back based on pulse and device are embodiments provided, is led to Cross microwave remote sensor transmitting and receive the active situation that microwave detects human body using Doppler effect, in combination with pulse detection hand Pulse information detected by ring improves the effect that accuracy lowers False Rate judging whether human body is fallen down to reach.
Description of the drawings
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing The accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are only this Some embodiments of invention, for those of ordinary skill in the art, without having to pay creative labor, may be used also To obtain other accompanying drawings according to these accompanying drawings.
Fig. 1 is a kind of stream of automatic detection falling over of human body method for sensing fed back based on pulse provided in an embodiment of the present invention Journey schematic diagram;
Fig. 2 is a kind of knot of automatic detection falling over of human body sensing device fed back based on pulse provided in an embodiment of the present invention Structure schematic diagram.
Specific embodiment
A kind of automatic detection falling over of human body method for sensing fed back based on pulse and device are embodiments provided, can To realize pinpoint accuracy automatic detection falling over of human body, and lower False Rate.
To enable goal of the invention, feature, the advantage of the present invention more obvious and understandable, below in conjunction with the present invention Accompanying drawing in embodiment, is clearly and completely described, it is clear that disclosed below to the technical scheme in the embodiment of the present invention Embodiment be only a part of embodiment of the invention, and not all embodiment.Based on the embodiment in the present invention, this area All other embodiment that those of ordinary skill is obtained under the premise of creative work is not made, belongs to protection of the present invention Scope.
Refer to Fig. 1, a kind of automatic detection falling over of human body sensing side fed back based on pulse provided in an embodiment of the present invention One embodiment of method, including:
101st, microwave remote sensor transmitting microwave signal is controlled, is got by microwave remote sensor corresponding with microwave signal anti- Feedback ripple signal;
Control microwave remote sensor transmitting microwave signal, by microwave remote sensor feedback wave corresponding with microwave signal is got Signal, to realize the accurate judgement to body state.
102nd, after judging that feedback wave signal is equal with default value, confirm that physical activity is abnormal and performs 103;
Or
After judging feedback wave signal in pre- feedback range of signal, confirm that physical activity is normal and out of service preset Time, then re-execute 101;
After feedback wave signal is got, if judging, feedback wave signal is equal with default value, confirms physical activity Abnormal and execution step 103, if judging feedback wave signal in pre- feedback range of signal, confirms that physical activity is normal and stops Preset time is only run, then re-executes step 101.
Wherein, data are judged by presetting two groups of microwave signals:(1) falling over of human body state (motionless or faint activity of lying down) When feedback signal x be equal to a default steady state value (Human feed back's signal be x;Feedback signal x is close to constant when falling down state Value);(2) feedback signal m during human normal activity (i.e. normal stand, bends over, and squats down, activity of lying down)<x<N (human normals X values are always in dynamic change when movable;Lower threshold value in the feedback signal that n and m is produced when being human body normal activity), concurrently set Normal pulse beating scope data.
After judging that body state is normal, can stop detection 30~60 seconds (the step be in order to avoid will bend over and under Crouching or these postures wrong reports that may occur of having a bath of sitting down are falling over of human body).Then proceed to start detection.
103rd, the beat pulse data sent by pulse detection bracelet are got, judges beat pulse data whether preset In normal pulse beating scope, if not existing, operation of reporting to the police is performed, if performing 104;
The beat pulse data sent by pulse detection bracelet are got, judges beat pulse data whether preset normal In the range of beat pulse, if not existing, operation of reporting to the police is performed, if in execution step 104.Wherein, pulse detection bracelet by people with In wrist, for detecting the pulse state of people, because people is different in the different state rhythms of the heart, if falling over of human body is so The rhythm of the heart can undergo mutation.
When physical activity it is abnormal, by start read pulse bracelet data and default normal pulse beating scope number According to comparing to judge whether pulse beats normally.
104th, cycle-index k=k+1 is made, judges that k, whether more than preset loop number of times, if being more than, performs operation of reporting to the police, If being not more than, 102 are performed.
Detection cycle-index k can set, if performing warning operation if the cycle-index, if without departing from continuing to return Return microwave signal detection.
It is provided in an embodiment of the present invention it is a kind of based on pulse feed back automatic detection falling over of human body method for sensing another Embodiment, including:
201st, microwave remote sensor transmitting microwave signal is controlled, is got by microwave remote sensor corresponding with microwave signal anti- Feedback ripple signal;
Control microwave remote sensor transmitting microwave signal, by microwave remote sensor feedback wave corresponding with microwave signal is got Signal, to realize the accurate judgement to body state.
Microwave remote sensor detects the active state of human body using Doppler effect, and the wavelength or frequency of sensor emission is because of people The relative motion of body and sensor and produce change and realize to human normal state or fall down the detection of state.When human body and microwave are passed When sensor distance is fixed, its echo wavelength or frequency immobilize.When human body is to microwave remote sensor direction minute movement, wavelength Shorten, frequency is uprised (blue shift);In the same manner, when human body minute movement reverse to microwave remote sensor, wavelength is elongated, frequencies go lower (red shift).
202nd, after judging that feedback wave signal is equal with default value, confirm that physical activity is abnormal and performs 203;
Or
After judging feedback wave signal in pre- feedback range of signal, confirm that physical activity is normal and out of service preset Time, then re-execute 201;
After feedback wave signal is got, if judging, feedback wave signal is equal with default value, confirms physical activity Abnormal and execution step 203, if judging feedback wave signal in pre- feedback range of signal, confirms that physical activity is normal and stops Preset time is only run, then re-executes step 201.
Wherein, data are judged by presetting two groups of microwave signals:(1) falling over of human body state (motionless or faint activity of lying down) When feedback signal x be equal to a default steady state value (Human feed back's signal be x;Feedback signal x is close to constant when falling down state Value);(2) feedback signal m during human normal activity (i.e. normal stand, bends over, and squats down, activity of lying down)<x<N (human normals X values are always in dynamic change when movable;Lower threshold value in the feedback signal that n and m is produced when being human body normal activity), concurrently set Normal pulse beating scope data.
After judging that body state is normal, can stop detection 30~60 seconds (the step be in order to avoid will bend over and under Crouching or these postures wrong reports that may occur of having a bath of sitting down are falling over of human body), then proceed to start to detect.
203rd, the beat pulse data sent by pulse detection bracelet are got, judges beat pulse data whether preset In normal pulse beating scope, if not existing, operation of reporting to the police is performed, if performing 204;
The beat pulse data sent by pulse detection bracelet are got, judges beat pulse data whether preset normal In the range of beat pulse, if not existing, operation of reporting to the police is performed, if in execution step 204.Wherein, pulse detection bracelet by people with In wrist, for detecting the pulse state of people, because people is different in the different state rhythms of the heart, if falling over of human body is so The rhythm of the heart can undergo mutation.
When physical activity it is abnormal, by start read pulse bracelet data and default normal pulse beating scope number According to comparing to judge whether pulse beats normally.
Can accurately judge whether human body is fallen down with reference to pulse state and human body active state both information, reduce erroneous judgement Rate.
204th, make cycle-index k=k+1, judge k whether more than preset loop number of times, if being more than, send alarm or to Mobile terminal is given notice note, if being not more than, performs 202.
Detection cycle-index k can set, and send alarm if beyond cycle-index or give notice to mobile terminal Note, if without departing from continuation returns microwave signal detection.
Refer to Fig. 2, a kind of automatic detection falling over of human body sensing dress fed back based on pulse provided in an embodiment of the present invention The one embodiment put, including:
Control unit 301, for controlling microwave remote sensor transmitting microwave signal, is got and microwave by microwave remote sensor The corresponding feedback wave signal of signal;
Confirmation unit 302, for after judging that feedback wave signal is equal with default value, confirming that physical activity is abnormal simultaneously Trigger the first judging unit 303;
Or
After judging feedback wave signal in pre- feedback range of signal, confirm that physical activity is normal and out of service preset Time, then retriggered control unit 301;
First judging unit 303, for getting the beat pulse data sent by pulse detection bracelet, judges that pulse is jumped Dynamic data, if not existing, perform operation of reporting to the police whether in preset normal pulse beating scope, if performing the second judging unit 304;
Whether second judging unit 304, for making cycle-index k=k+1, judge k more than preset loop number of times, if greatly In, then operation of reporting to the police is performed, if being not more than, trigger confirmation unit 302.
Further, pulse detection bracelet is pulse detection sensor.
Further, operation is reported to the police to send alarm or giving notice note to mobile terminal.
In the present embodiment, pulse detection bracelet can detect the pulse state of human body, and by being wirelessly transmitted in real time Judgement system (a kind of automatic detection falling over of human body sensing device fed back based on pulse as provided in an embodiment of the present invention, with Under repeat no more), pulse detection bracelet is pulse detection sensor with the carrying of bracelet form, can be integrated on Multifunctional bracelet.
Real-time judge system can in real time calculate the microwave signal that microwave remote sensor received and pass with reference to pulse detection bracelet The defeated pulse signal for coming, accurately judges the state of human body.The active state of real-time judge system real-time judge human body, if living There is mutation in dynamic state, then reads the data that pulse bracelet is transmitted.
Microwave remote sensor can send and receive all types of ripples, including sound wave and electromagnetic wave.
When using, the activity for first microwave remote sensor and real-time judge system being installed to the closings such as toilet or bathroom is empty Between, user takes pulse detection bracelet in wrist, and real-time judge system starts control microwave remote sensor and sends microwave, and connects Feedback wave signal is received, compares to judge whether physical activity is normal with presetting data.When physical activity it is abnormal, So real-time judge system starts the data and default normal pulse beating scope data for reading pulse bracelet, compares to judge Whether pulse beats normally.If beat pulse is abnormal, system sends immediately alarm or SMS notification;If normal, Then continue to return microwave signal detection.Detection cycle-index k can set, if the system if the cycle-index send alarm or Person's SMS notification.
Those skilled in the art can be understood that, for convenience and simplicity of description, the system of foregoing description, The specific work process of device and unit, may be referred to the corresponding process in preceding method embodiment, will not be described here.
In several embodiments provided herein, it should be understood that disclosed system, apparatus and method can be with Realize by another way.For example, device embodiment described above is only schematic, for example, the unit Divide, only a kind of division of logic function can have other dividing mode, such as multiple units or component when actually realizing Can with reference to or be desirably integrated into another system, or some features can be ignored, or not perform.It is another, it is shown or The coupling each other for discussing or direct-coupling or communication connection can be the indirect couplings by some interfaces, device or unit Close or communicate to connect, can be electrical, mechanical or other forms.
The unit as separating component explanation can be or may not be it is physically separate, it is aobvious as unit The part for showing can be or may not be physical location, you can with positioned at a place, or can also be distributed to multiple On NE.Some or all of unit therein can according to the actual needs be selected to realize the mesh of this embodiment scheme 's.
In addition, each functional unit in each embodiment of the invention can be integrated in a processing unit, it is also possible to It is that unit is individually physically present, it is also possible to which two or more units are integrated in a unit.Above-mentioned integrated list Unit both can be realized in the form of hardware, it would however also be possible to employ the form of SFU software functional unit is realized.
If the integrated unit is realized using in the form of SFU software functional unit and as independent production marketing or used When, during a computer read/write memory medium can be stored in.Based on such understanding, technical scheme is substantially The part for contributing to prior art in other words or all or part of the technical scheme can be in the form of software products Embody, the computer software product is stored in a storage medium, including some instructions are used so that a computer Equipment (can be personal computer, server, or network equipment etc.) performs the complete of each embodiment methods described of the invention Portion or part steps.And aforesaid storage medium includes:USB flash disk, portable hard drive, read-only storage (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), magnetic disc or CD etc. are various can store journey The medium of sequence code.
The above, above example only to illustrate technical scheme, rather than a limitation;Although with reference to front State embodiment to be described in detail the present invention, it will be understood by those within the art that:It still can be to front State the technical scheme described in each embodiment to modify, or equivalent is carried out to which part technical characteristic;And these Modification is replaced, and does not make the spirit and scope of the essence disengaging various embodiments of the present invention technical scheme of appropriate technical solution.

Claims (6)

1. it is a kind of based on pulse feed back automatic detection falling over of human body method for sensing, it is characterised in that include:
S1:Control microwave remote sensor transmitting microwave signal, is got corresponding with the microwave signal by the microwave remote sensor Feedback wave signal;
S2:After judging that the feedback wave signal is equal with default value, confirm that physical activity is abnormal and performs S3;
Or
After judging the feedback wave signal in pre- feedback range of signal, confirm that physical activity is normal and out of service preset Time, then re-execute S1;
S3:The beat pulse data sent by pulse detection bracelet are got, judges the beat pulse data whether preset In normal pulse beating scope, if not existing, operation of reporting to the police is performed, if performing S4;
S4:Cycle-index k=k+1 is made, judges that k, whether more than preset loop number of times, if being more than, performs operation of reporting to the police, if not It is more than, then performs S2.
2. it is according to claim 1 based on pulse feed back automatic detection falling over of human body method for sensing, it is characterised in that institute Pulse detection bracelet is stated for pulse detection sensor.
3. it is according to claim 1 based on pulse feed back automatic detection falling over of human body method for sensing, it is characterised in that institute Warning operation is stated to send alarm or giving notice note to mobile terminal.
4. it is a kind of based on pulse feed back automatic detection falling over of human body sensing device, it is characterised in that include:
Control unit, for controlling microwave remote sensor transmitting microwave signal, is got micro- with described by the microwave remote sensor The corresponding feedback wave signal of ripple signal;
Confirmation unit, for after judging that the feedback wave signal is equal with default value, confirming that physical activity is abnormal and touches Send out the first judging unit;
Or
After judging the feedback wave signal in pre- feedback range of signal, confirm that physical activity is normal and out of service preset Time, then retriggered described control unit;
First judging unit, for getting the beat pulse data sent by pulse detection bracelet, judges the pulse Bounce data, if not existing, perform operation of reporting to the police whether in preset normal pulse beating scope, if performing second and judging single Unit;
Whether second judging unit, for making cycle-index k=k+1, judge k more than preset loop number of times, if being more than, Operation of reporting to the police is performed, if being not more than, the confirmation unit is triggered.
5. it is according to claim 4 based on pulse feed back automatic detection falling over of human body sensing device, it is characterised in that institute Pulse detection bracelet is stated for pulse detection sensor.
6. it is according to claim 4 based on pulse feed back automatic detection falling over of human body sensing device, it is characterised in that institute Warning operation is stated to send alarm or giving notice note to mobile terminal.
CN201710113684.XA 2017-02-28 2017-02-28 Automatic detection human body tripping sensing method and device based on pulse feedback Pending CN106618588A (en)

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