CN108171930A - A kind of old man's exception tracing system applied to home for destitute - Google Patents
A kind of old man's exception tracing system applied to home for destitute Download PDFInfo
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- CN108171930A CN108171930A CN201810100409.9A CN201810100409A CN108171930A CN 108171930 A CN108171930 A CN 108171930A CN 201810100409 A CN201810100409 A CN 201810100409A CN 108171930 A CN108171930 A CN 108171930A
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/02—Alarms for ensuring the safety of persons
- G08B21/04—Alarms for ensuring the safety of persons responsive to non-activity, e.g. of elderly persons
- G08B21/0407—Alarms for ensuring the safety of persons responsive to non-activity, e.g. of elderly persons based on behaviour analysis
- G08B21/043—Alarms for ensuring the safety of persons responsive to non-activity, e.g. of elderly persons based on behaviour analysis detecting an emergency event, e.g. a fall
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S5/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
- G01S5/0009—Transmission of position information to remote stations
- G01S5/0018—Transmission from mobile station to base station
- G01S5/0027—Transmission from mobile station to base station of actual mobile position, i.e. position determined on mobile
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/02—Alarms for ensuring the safety of persons
- G08B21/04—Alarms for ensuring the safety of persons responsive to non-activity, e.g. of elderly persons
- G08B21/0438—Sensor means for detecting
- G08B21/0446—Sensor means for detecting worn on the body to detect changes of posture, e.g. a fall, inclination, acceleration, gait
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/02—Alarms for ensuring the safety of persons
- G08B21/04—Alarms for ensuring the safety of persons responsive to non-activity, e.g. of elderly persons
- G08B21/0438—Sensor means for detecting
- G08B21/0453—Sensor means for detecting worn on the body to detect health condition by physiological monitoring, e.g. electrocardiogram, temperature, breathing
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- Emergency Management (AREA)
- General Health & Medical Sciences (AREA)
- Gerontology & Geriatric Medicine (AREA)
- Business, Economics & Management (AREA)
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- Heart & Thoracic Surgery (AREA)
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- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Alarm Systems (AREA)
Abstract
The invention discloses a kind of old man's exception tracing systems applied to home for destitute, including at least three-dimensional localization subsystem, bracelet subsystem and central server, three-dimensional localization subsystem disposes home for destitute each region, bracelet subsystem is carried by old man, old man's own bodies health data is acquired, then by radio communication module transfer to central server.Upper computer software and client terminal software are run on central server, for the data for receiving bracelet, base station, camera are sent, and parsing is carried out to base station real time data and obtains three dimensional space coordinate data with conversion process；If being abnormal event, management software sends out alarm at once.Using technical solution of the present invention, the manpower and time cost needed for traditional home for destitute management method can be saved, improve the safety coefficient of old man, the management service level and staffing effectiveness in home for destitute are optimized, while the happy and auspicious living environment of safety and more humane endowment environment can be also provided for old man.
Description
Technical field
The present invention relates to the communication technology, video actions identification technology and field of computer technology more particularly to a kind of applications
Old man's exception tracing system in home for destitute.
Background technology
As China progresses into aged society, endowment discusses topic warmly as China.Home for destitute is as most important endowment
One of form will carry the social responsibility of bigger.At present, home for destitute scale constantly expands, traditional home for destitute management mode
It is difficult that each region and the situation of each old man are arrived in supervision, and old man is abnormal (tumble, morbidity etc.), if sent out not in time
Now and offer is succoured accordingly, it will causes serious consequence or even threat to life safety.Therefore, existing endowment service exists
How potential management danger and security risk improve the home for destitute efficiency of management and provide more good endowment service, become
The hot spot of current research.
In order to improve the efficiency of management, current home for destitute facility is gradually improved, such as using indoor locating system, video monitoring
The technologies such as system, Intelligent bracelet, however, the prior art only by it is above-mentioned it is technically simple be applied to home for destitute scene, each system is each
From to fight, Synergy is not formed, it is impossible to meet the application demand in home for destitute in practice well.Specifically, home for destitute
Have in regional space compared with multi-obstacle avoidance, multipath effect is easily generated in signals transmission influences positioning accuracy and multiple
Old man can have some impact on accuracy of identification when assembling, and traditional positioning method can not meet actual demand；Meanwhile one is supported
Old institute old man quantity is all very big according to transmission and treating capacity in tens to hundreds of unequal numbers, and existing utility rings old man's unusual condition
Answer speed slower；On the other hand, prior art Intelligent bracelet used for positioning usually only setting three axis attitude sensor is as old
The identification of people's unusual condition however, which rate of false alarm is higher, increases the operating pressure of administrative staff instead.
Therefore for technical problem of the existing technology, it is really necessary to propose a kind of technical solution to overcome the prior art
The defects of.
Invention content
The technical issues of not convenient enough is managed for current home for destitute, the present invention proposes that the old man applied to home for destitute is abnormal
Tracing system so as to optimum management mode, improves the efficiency of management.
The technical solution adopted by the present invention to solve the technical problems is specific as follows：
A kind of old man's exception tracing system applied to home for destitute, including at least three-dimensional localization subsystem, bracelet subsystem
And central server, wherein,
The bracelet subsystem is used to implement old man's unusual condition and monitoring position, carried including each old man or
The Intelligent bracelet and mobile terminal of wearing, the mobile terminal wirelessly access central server；The Intelligent bracelet
Including at least bracelet main control module, UWB labels, acceleration transducer and biologic resistance resistance sensor, the UWB labels have
Unique mark；The acceleration transducer for acquiring old man's translational acceleration information, use by the biologic resistance resistance sensor
In the skin power information of acquisition old man；Wirelessly carry out data transmission between the Intelligent bracelet and mobile terminal, into
And the sensor information acquired is sent to central server；
The each regional space in home for destitute is respectively provided with three-dimensional localization subsystem, and the three-dimensional localization subsystem includes at least four
Base station, one of them is master base station, remaining is assistant base station；The base station location is fixedly installed and covers entire space, wherein,
At least three base stations are in same level, and at least one base station is arranged on other than the plane and close to ceiling region；Institute
Base station is stated including at least base station main control module and UWB range finder modules, the UWB range finder modules are used to measure end-to-end distance；
Wantonly three base stations form a distance measuring unit, for measuring the distance between base station and UWB labels and each base
The rough location information of UWB labels the distance between is stood and obtained by trilateration algorithm, is obtained by multiple distance measuring units
Multiple rough location information pass through calculating obtain UWB label position information；The location information of the UWB labels includes at least flat
Face location information and elevation information；
The master base station is connected with central server, for by the location information of UWB labels be sent to it is described in it is genuinely convinced
Business device；
The central server be used for the sensor information of acquired Intelligent bracelet and the location information of UWB labels into
Processing judges whether old man unusual condition occurs to row with this in real time.
In the above-mentioned technical solutions, UWB tag locations are realized by UWB three-dimensional localizations, not only increases positioning accuracy, together
When by obtaining spatial altitude residing for label and in this, as one of important parameter judged extremely, effectively reducing abnormal
False alarm rate.
Meanwhile abnormality detection is improved as one of important parameter judged extremely using biologic resistance resistance sensor
Precision.
Further, framework of the present invention realizes location information and heat transfer agent respectively by two independent data channel
Transmission, so as to effectively alleviate data transmission pressure.
In addition, the present invention realizes Intelligent bracelet and the data transmission of central server by mobile terminal, so as to have
Effect reduces the power consumption of Intelligent bracelet, makes it have longer stand-by time.
As preferred technical solution, network communication module is further included, the master base station is accessed by network communication module
The central server.
As preferred technical solution, the mobile terminal is smart mobile phone, between the Intelligent bracelet and mobile terminal
Carried out data transmission in a manner of bluetooth.
As preferred technical solution, APP programs in the mobile terminal are set, intelligent hand is corresponded to for recording it in real time
The sensor information of ring understands body reason situation so that old man consults at any time.
As preferred technical solution, the position of institute base station is for 0.5-1 meters from wall and 2-3 meters liftoff.
As preferred technical solution, the Intelligent bracelet further includes optics heart rate sensor, the optics sensing heart rate
Device is used to acquire the heart rate signal of old man.
As preferred technical solution, the Intelligent bracelet further includes feedback button, and the feedback button is then used for old
It is genuinely convinced in central server alert or when suggested alert notice is wrong when people's unusual condition occurs
Business device sends out feedback information.
By the setting of feedback button, the response speed of unusual condition can be further improved and avoid abnormal false alarm
When human resources waste.
As preferred technical solution, the biologic resistance resistance sensor is measured using LM4041 and LMP2231 elements
Skin resistance changes so as to obtain skin power information.
As preferred technical solution, monitoring mobile terminal is further included, it is genuinely convinced in the monitoring mobile terminal remote access
Business device simultaneously obtains the data information of corresponding old man so that family members understand situation of the old man in home for destitute at any time in real time.
As preferred technical solution, the three-dimensional localization subsystem further includes camera, and the camera is used to record
The monitoring video information in the region, and when abnormal conditions occur, the camera turn to and the scene of recording exceptional position with
Just administrative staff understand abnormal conditions in time, and abnormal conditions are handled in time.
The present invention has the beneficial effect that：
Technical solution using the present invention can pass UWB location datas, bracelet health data and camera head monitor data
It is defeated to arrive central server, and real-time update.Administrative staff can by the management software of terminal to the label entrained by old man into
Row inquiry, understands old man's coordinate information, and camera head monitor data can be called to carry out the action message of old man in real time
Solution.When old man is abnormal, management software sends out alarm and reminding administrative staff and carries out emergency measure in time in time.Save biography
Manpower and time cost needed for home for destitute management method of uniting, improve the safety coefficient of old man, optimize the management in home for destitute
Service level and staffing effectiveness, while the happy and auspicious living environment of safety and more humane can be also provided for old man
Endowment environment.
Description of the drawings
Fig. 1 is the system architecture block diagram of the present invention.
Fig. 2 is three-dimensional localization subsystem structure schematic diagram in the present invention.
Fig. 3 is bracelet subsystem structure schematic diagram in the present invention.
Fig. 4 is architecture of base station schematic diagram in the present invention.
Fig. 5 is Intelligent bracelet structure diagram in the present invention.
Fig. 6 is the system architecture diagram of another embodiment of the present invention.
Specific embodiment
The invention will be further described with reference to the accompanying drawings and examples.
In the application environment in home for destitute, old man can be because the people of surrounding or object cause to block now when moving or sitting quietly
As being had an impact to the precision of video identification.Accuracy of identification can be had some impact on when multiple old men assemble.Meanwhile it manages
Reason personnel but can not possibly be with respect to every old man of every nook and cranny, therefore brings potential management danger and security risk.
For this purpose, a kind of old man's exception tracing system applied to home for destitute of framework of the present invention, establishes a set of indoor positioning system
System and camera monitoring system, for old man's abnormal (tumble, morbidity etc.), information data is collected and analysis, can be applied to support parents
Institute or other similar environment.Under introducing first below, some prior arts employed in the present invention.
First, the development of technology causes various circles of society to gradually increase high-precision wireless location demand.Indoor positioning skill
Art has some similitudes compared with outdoor positioning technology, but indoor environment is complicated, and localizing environment is severe, the interior space generally compared with
It is small, and there is serious multipath effect and reflexes, this requires corresponding indoor positioning algorithms to the Shandong of various errors
Stick is eager to excel.Super-broadband tech (Ultra Wide Band, UWB) is that the novel radio electricity that a kind of tool has great prospects for development leads to
Letter technology has been considered to one of ten big technologies of future communications.Ultra wide band has great bandwidth, can realize short distance
The data transmission of high-speed.It not only has higher temporal resolution, and with stronger anti-multipath fading ability, high-precision
It is of considerable interest in the ranging and positioning of degree.
And on the other hand, video monitoring has been widely used in airport, bank, railway station etc. to safety requirements sensitivity now
Occasion, but its effect is extremely limited, because they are typically to record the output result of video camera, works as abnormal conditions
After (vehicle in such as parking lot is stolen) occurs, security personnel just observes the fact that occur by the result of record, but is often
When it is late.And intelligent monitor system can then automatically analyze the video data of cameras capture, when there is abnormal operation hair
When raw, system can be discovered and send out alarm to Security Personnel in time, so as to avoid the generation of crime, while can also save big
The human and material resources and financial resources of amount.It may be said that the hot spot that the human action identification based on video is computer vision field is asked
Topic.It can be seen that the technology applies the safety that can significantly promote old man in home for destitute.
With the development of radio network technique, facility is provided for people at more and more aspects.Bluetooth technology is mesh
The highly advanced radio network technique of previous item, it can replace cable by one based on low cost, short-range wireless link
The computer and communication equipment for determining range connect, and realize the quick interconnection between distinct device, are primarily adapted for use in data biography
The not high mobile equipment of defeated rate requirement and portable equipment.Current Bluetooth technology is not only only applicable to WPAN, but
Collect the indigo plant of IEEE 802.15.1 conventional Bluetooths, 802.11 physical layers of IEEE and " three-in-one " of MAC layer and Wibree standards
Tooth.
In the prior art, the infrastructure in home for destitute also has using above-mentioned technology, but is generally only simple set, each
System or independent operating, there is no Synergy is formed, therefore, operational efficiency, response time and accuracy of detection are both needed to
It further improves.
Referring to Fig. 1, a kind of system architecture block diagram of old man's exception tracing system applied to home for destitute of the invention is shown,
Including at least three-dimensional localization subsystem, bracelet subsystem and central server, home for destitute is disposed with these three-dimensional localization subsystems
Each region, bracelet subsystem are carried by old man, old man's own bodies health data are acquired, then by radio communication
Module transfer is to central server.Upper computer software and client terminal software are run on central server, host computer is used to receive
The data that bracelet, base station, camera are sent, and parsing is carried out to base station real time data and obtains three dimensions seat with conversion process
Data are marked, are stored in local data base.Client terminal can carry out extract real-time with operation management software to data in database,
Monitor video and display old man's location information can be watched on software.It and can be with real time inspection aged health information, if hair
Raw anomalous event, management software send out alarm at once.
Bracelet subsystem is used to implement old man's unusual condition and monitoring position, referring to Fig. 3, show the knot of bracelet subsystem
Structure block diagram, the Intelligent bracelet carried or worn including each old man and mobile terminal, Intelligent bracelet are old for acquiring in real time
People's health and fitness information, the mobile terminal wirelessly access central server；Integrated wireless communication module in mobile terminal,
For accessing central server in a manner of WIFI or 4G；
In a preferred embodiment, mobile terminal is smart mobile phone, and Intelligent bracelet is respectively provided with indigo plant with mobile terminal
Tooth communication module, is carried out data transmission in a manner of bluetooth.
In a preferred embodiment, APP programs in the mobile terminal are set, old man is added in data and is compiled
Number, the sensor information of Intelligent bracelet is corresponded to so that old man consults understanding body reason situation at any time for recording it in real time, is led to simultaneously
It crosses wireless communication module and transfers data to central server.
Referring to Fig. 5, the structure diagram of Intelligent bracelet in the present invention is shown, is marked including at least bracelet main control module, UWB
Label, acceleration transducer and biologic resistance resistance sensor, the UWB labels have unique mark；The acceleration transducer
For acquiring old man's translational acceleration information, the biologic resistance resistance sensor is used to acquire the skin power information of old man；Institute
It states and wirelessly carries out data transmission between Intelligent bracelet and mobile terminal, and then the sensor information acquired is sent
To central server.
In a preferred embodiment, the Intelligent bracelet further includes optics heart rate sensor, the optics heart rate
Sensor is used to acquire the heart rate signal of old man.
In a preferred embodiment, the Intelligent bracelet further includes feedback button, and the feedback button is then used for
When old man's unusual condition occurs to central server alert or when suggested alert notice is wrong in
Central server sends out feedback information.If old man's shock, button can not be clicked situations such as can not seriously taking action by falling or falling ill, lead to
It crosses the information such as skin power information and translational acceleration information and judges whether unusual condition occur.
By the setting of feedback button, the response speed of unusual condition can be further improved and avoid abnormal false alarm
When human resources waste.
In a preferred embodiment, the biologic resistance resistance sensor utilizes LM4041 and LMP2231 elements
Skin resistance variation is measured so as to obtain skin power information.Skin power information is a mood physical signs of human body, in exception
In the case of, which necessarily varies widely；For example, its significantly change, necessarily corresponds to old man's mood swing fierceness, it is greatly general
It is abnormal that tumble, epilepsy, heart disease etc. occur for rate old man.In the prior art, judge whether occur only with translational acceleration information
It is abnormal, however translational acceleration information only reflects the motion state of old man, can not effectively reflect whether to occur abnormal.The present invention
By skin power information and translational acceleration information collectively as the criterion of abnormality detection, so as to substantially increase abnormal shape
The accuracy of detection of state.
The each regional space in home for destitute is respectively provided with three-dimensional localization subsystem, referring to Fig. 2, show three-dimensional localization subsystem
System structure diagram, including at least four base stations, one of them is master base station, remaining is assistant base station；The base station location is consolidated
It sets calmly and covers entire space, wherein, at least three base stations are in same level, and at least one are arranged on ceiling；
Arrangement of base stations should be as wide as possible the entire space of covering, and base station will be 0.5-1 meters from wall, 2-3 meters liftoff.Once pacify base station
Dress, position immobilizes.Master base station is for collecting all label informations and other base station informations, then by measurement data
Real-time resolving obtains the distance between base station i and base station j (0≤i<J≤3), the distance between base station m and label n (0≤m≤3,
n>0), measurement result is exported by network communication module to server.
Wherein, wantonly three base stations form a distance measuring unit, for measure the distance between base station and UWB labels with it is each
The distance between a base station and the rough location information that UWB labels are obtained by trilateration algorithm, pass through multiple distance measuring units
The multiple rough location information obtained obtain UWB label position information by calculating；The location information of the UWB labels at least wraps
Include plan position information and elevation information.
System shown in Figure 4 for base station realizes structure chart, including at least base station main control module and UWB range finder modules,
The UWB range finder modules are used to measure end-to-end distance；Certainly power module, LED indication module, reset circuit etc. are further included
Composition.The data of UWB range finder modules acquisition can be read in base station main control module, and UWB range finder modules can measure end-to-end distance, institute
It states master base station with central server to be connected, for the location information of UWB labels to be sent to the central server；LED refers to
Show module can the working condition current to module show that reset circuit provides the initialization work(in the case of system exception
Energy.
The central server be used for the sensor information of acquired Intelligent bracelet and the location information of UWB labels into
Processing judges whether old man unusual condition occurs, and in the case where there is unusual condition to row with this in real time, reads in the database at once
The location of UWB labels information to prompt in time.
In the above-mentioned technical solutions, UWB tag locations are realized by UWB three-dimensional localizations, not only increases positioning accuracy, together
When by obtaining spatial altitude residing for label and in this, as one of important parameter judged extremely, effectively reducing abnormal
False alarm rate.
Meanwhile abnormality detection is improved as one of important parameter judged extremely using biologic resistance resistance sensor
Precision.
Further, framework of the present invention realizes location information and heat transfer agent respectively by two independent data channel
Transmission, so as to effectively alleviate data transmission pressure.
In addition, the present invention realizes Intelligent bracelet and the data transmission of central server by mobile terminal, so as to have
Effect reduces the power consumption of Intelligent bracelet, makes it have longer stand-by time.
In a preferred embodiment, network communication module is further included, the master base station is connect by network communication module
Enter the central server.
In a preferred embodiment, referring to Fig. 6, it show the system architecture frame of another embodiment of the present invention
Figure, further includes monitoring mobile terminal, and the monitoring mobile terminal remote access central server simultaneously obtains corresponding old man's in real time
Data information, so as to which family members or guardian can remotely understand situation of the old man in home for destitute at any time.
In a preferred embodiment, the three-dimensional localization subsystem further includes camera, and camera and base station are mating
Installation, and it by network communication module sends video and flows to central server and is stored in real time.The camera is used for
The monitoring video information in the region is recorded, and when abnormal conditions occur, the camera turns to and the field of recording exceptional position
Scape understands abnormal conditions in time so as to administrative staff, and abnormal conditions are handled in time.
The course of work of lower present system is described in detail again below, specifically comprises the following steps：
Step (1)：Opening system opens base station, camera and bracelet.It is real-time that camera begins through network communication module
Monitoring data is sent in the form of video flowing to central server and is stored in database.
Step (2)：Old man's account is logged in cell phone application, and passes through bluetooth connection bracelet.Bracelet passes through the multiple of itself
The information such as acceleration, heart rate and the skin pricktest of sensor acquisition old man, are then transmitted to mobile phone by bluetooth, are shown in cell phone application
Show and pass through wireless network transmissions and stored to central server.
Step (3)：UWB impulse starters in bracelet are constantly to base station transmission data, and then each base station will processing
The bracelet and base station of acquisition, the distance between base station and base station are pooled to master base station.Then, master base station is connected by network communication module
Router is connected to, then central server is transmitted information to by the LAN that router connects.
Step (4)：Central server is stored into data after the data that master base station is sent are handled by trilateration algorithm
In library.
Step (5)：Management software is opened, starts positioning function, extracts data from database in real time and in management software
In map shown in the form of coordinate points, and start constantly update coordinate point data.Base station data is also from database at this time
Extraction, shows on map.Then video monitoring function is opened again, corresponding information is extracted from database and in management software
It has been shown that, monitors the daily routines of old man in real time.
Step (6)：Bracelet up-to-date information is constantly updated by network communication module, central server constantly detects acquisition
Whether the data such as old man's acceleration, heart rate, coordinate z-axis occur significantly change, then can tentatively judge that old man may be abnormal.
Bracelet ejector button at this time, whether display body is abnormal, if it is that information is fed back to central server that old man, which clicks,
Client is alarmed.If old man's shock, button can not be clicked by falling or falling ill situations such as can not seriously taking action, skin telecommunications is called
Breath understands that skin pricktest is a mood physical signs, so its significantly change, necessarily corresponds to old man's mood swing and swash by principle
Strong, it is abnormal that tumble, epilepsy, heart disease etc. occur for maximum probability old man.Video data is immediately transferred, it can using action recognition algorithm
Know that old man obtains state at this time, if old man it is motionless or it is violent shake if exception necessarily has occurred, abnormal data is fed back at this time
To client, alarm is sent out.And immediately pop up the corresponding monitor video in old man their location.
The achievable following items location technology of the present invention：(1) help administrative staff that old man position is accurately positioned：Base station
The signal that bracelet is sent is passed into central server, central server is by handling, by the information of old man in the client
Figure is shown, then calls the camera nearest from herein, and administrative staff can accurately find old man position in real time.(2) judge old
Whether people falls：If Falls Among Old People, (old man's daily routines movement is slow and will not accelerate to run quickly suddenly for translational acceleration
Run) and the elements of a fix z-axis numerical value significantly change necessarily has occurred, but this result is also likely to be caused by bracelet comes off, this is
System is aided with changes in heart rate, skin Electrical change video identification is judged.Heart rate and skin can not be detected if bracelet comes off
Point data, therefore old man is safe, not feedback data to central server；If measure heart rate, the skin pricktest (mood that can generate a panic of falling
Lead to skin pricktest variation abnormality) change dramatically occurs, then data feedback is transferred video actions identification, sentenced to central server
Whether disconnected old man falls down, while meets the above situation, and tumble accident occurs for old man.(3) judge whether old man's body occurs
Morbidity：If central server receives the data that bracelet is sent, changes in heart rate is higher or lower than the normal heart extremely whithin a period of time
Rate range, with reference to skin power information, (seizures of disease such as epilepsy, heart disease can bring panic mood that skin pricktest is caused to become to old man
Change), then can derive old man has certain probability to fall ill, and feeds back to central server.Video actions recognizer is enabled at this time to judge
Whether old man's action is abnormal, if normal movement, old man's safety；If old man can not move or body is acutely shaken, always
Human hair disease, feedback data to central server, old man are abnormal.(4) administrative staff is helped to check senior activity's situation：In the middle
Central server sends out alarm and reminding administrative staff old man and accident occurs, and client can quickly screen calling and be imaged recently from old man
Head learns the possible accident pattern of old man, more preferably makes reply in time.(5) judge whether old man wanders away：If night rests
When, the coordinate that occurs in the bracelet presentation of information room that central server is obtained counts out and should have number not with known old man
Together, then it represents old man and is not returned to room.(6) to tracking old man's video location：The UWB location informations of analysis tracking old man, find
Corresponding camera, position of the central server by contrast judgement target old man in video, and it is aided with video human face identification
Technology judges whether object is the mankind, if so, calling camera to its real-time tracking；Otherwise fitting old man position is compared again
It puts.
The explanation of above example is only intended to facilitate the understanding of the method and its core concept of the invention.It should be pointed out that pair
For those skilled in the art, without departing from the principle of the present invention, the present invention can also be carried out
Some improvements and modifications, these improvement and modification are also fallen within the protection scope of the claims of the present invention.
The foregoing description of the disclosed embodiments enables professional and technical personnel in the field to realize or use the present invention.
A variety of modifications of these embodiments will be apparent for those skilled in the art, it is as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, it is of the invention
The embodiments shown herein is not intended to be limited to, and is to fit to and the principles and novel features disclosed herein phase one
The most wide range caused.
Claims (10)
1. a kind of old man's exception tracing system applied to home for destitute, which is characterized in that including at least three-dimensional localization subsystem, hand
Loop subsystems and central server, wherein,
The bracelet subsystem is used to implement old man's unusual condition and monitoring position, carries or wears including each old man
Intelligent bracelet and mobile terminal, the mobile terminal wirelessly access central server；The Intelligent bracelet is at least
Including bracelet main control module, UWB labels, acceleration transducer and biologic resistance resistance sensor, the UWB labels have unique
Mark；For acquiring old man's translational acceleration information, the biologic resistance resistance sensor is used to adopt the acceleration transducer
Collect the skin power information of old man；Wirelessly carry out data transmission between the Intelligent bracelet and mobile terminal, and then will
Its sensor information acquired is sent to central server；
The each regional space in home for destitute is respectively provided with three-dimensional localization subsystem, and the three-dimensional localization subsystem includes at least four bases
It stands, one of them is master base station, remaining is assistant base station；The base station location is fixedly installed and covers entire space, wherein, until
Few three base stations are in same level, and at least one base station is arranged on other than the plane and close to ceiling region；It is described
Base station includes at least base station main control module and UWB range finder modules, and the UWB range finder modules are used to measure end-to-end distance；
Wantonly three base stations form a distance measuring unit, for measure the distance between base station and UWB labels and each base station it
Between distance and the rough location information of UWB labels is obtained by trilateration algorithm, multiple distance measuring units obtain it is multiple just
It walks location information and UWB label position information is obtained by calculating；The location information of the UWB labels is believed including at least plan-position
Breath and elevation information；
The master base station is connected with central server, for the location information of UWB labels to be sent to the central server；
The central server is used to carry out the sensor information of acquired Intelligent bracelet and the location information of UWB labels real
When processing with this judge whether old man unusual condition occurs.
2. it is applied to old man's exception tracing system in home for destitute according to claim 1, which is characterized in that further include network and lead to
Believe module, the master base station accesses the central server by network communication module.
3. old man's exception tracing system according to claim 1 or claim 2 applied to home for destitute, which is characterized in that the movement
Terminal is smart mobile phone, is carried out data transmission in a manner of bluetooth between the Intelligent bracelet and mobile terminal.
4. it is applied to old man's exception tracing system in home for destitute according to claim 3, which is characterized in that the mobile terminal
Middle setting APP programs correspond to the sensor information of Intelligent bracelet so that old man consults at any time for recording it in real time.
5. old man's exception tracing system according to claim 1 or claim 2 applied to home for destitute, which is characterized in that institute base station
Position is for 0.5-1 meters from wall and 2-3 meters liftoff.
6. old man's exception tracing system according to claim 1 or claim 2 applied to home for destitute, which is characterized in that the intelligence
Bracelet further includes optics heart rate sensor, and the optics heart rate sensor is used to acquire the heart rate signal of old man.
7. old man's exception tracing system according to claim 1 or claim 2 applied to home for destitute, which is characterized in that the intelligence
Bracelet further includes feedback button, and the feedback button is then used to send out alarm to central server when old man's unusual condition occurs
Information sends out feedback information when suggested alert notice is wrong to central server.
8. old man's exception tracing system according to claim 1 or claim 2 applied to home for destitute, which is characterized in that the biology
Electric resistivity sensor measures skin resistance variation so as to obtain skin power information using LM4041 and LMP2231 elements.
9. old man's exception tracing system according to claim 1 or claim 2 applied to home for destitute, which is characterized in that further include prison
Control mobile terminal, the monitoring mobile terminal remote access central server and the data information for obtaining corresponding old man in real time.
10. old man's exception tracing system according to claim 1 or claim 2 applied to home for destitute, which is characterized in that the three-dimensional
Positioning subsystem further includes camera, and the camera is used to record the monitoring video information in the region, and when abnormal conditions are sent out
When raw, the camera turns to and the scene of recording exceptional position.
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| CN201810100409.9A CN108171930A (en) | 2018-02-01 | 2018-02-01 | A kind of old man's exception tracing system applied to home for destitute |
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