CN104408872B - Method of improving children's security by utilizing portable equipment - Google Patents
Method of improving children's security by utilizing portable equipment Download PDFInfo
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- CN104408872B CN104408872B CN201410667316.6A CN201410667316A CN104408872B CN 104408872 B CN104408872 B CN 104408872B CN 201410667316 A CN201410667316 A CN 201410667316A CN 104408872 B CN104408872 B CN 104408872B
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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
- G08B21/0202—Child monitoring systems using a transmitter-receiver system carried by the parent and the child
- G08B21/0277—Communication between units on a local network, e.g. Bluetooth, piconet, zigbee, Wireless Personal Area Networks [WPAN]
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Abstract
The invention relates to a method of monitoring children's activities by utilizing portable equipment to improve child's security. Convenient and effective methods of monitoring children's security are unavailable at present; it is necessary to provide a system for parents and guardians to check children's security at any time and at any place, so that children's security in daily life can be ensured. The method comprises the steps: dividing children's safe scene into an accompanying mode and an independent mode; in the accompanying mode, monitoring whether a child walks away from guardians' visions; in the independent mode, monitoring whether the child occur in the preset occasion according to the preset trace and immediately prompting the child when walking in an important prevention area. children's prevention consciousness for behaviors, which may threaten children's security, can be improved; guardians can know children's conditions in real time, so that the possible occurrence of security incidents can be avoided immediately and children's security can be improved effectively.
Description
Technical field
The invention belongs to embedded system field is and in particular to a kind of supervised to the activity of children using portable set
Survey, the method improving its personal safety.
Background technology
Children are a country and national future, and the happy and healthy growth of children be unable to do without the environment of a safety.With
Chinese Urbanization and industrialized fast development, rural area permanent resident population gradually decrease, counted according to 2012, China's urban population
It is about 7.1 hundred million people.Substantial amounts of children studying and living in city, city one side can provide for their living and studying
Better environment, on the other hand because of complex environment in city, such as：Numerous construction sites, substantial amounts of contact vehicle, Pang
The big stream of people and complicated personnel component, bring huge challenge also to the safety of children.Only taking Hangzhou as a example, in 2012 years
Summer vacation short two months,《Qianjiang Evening News》Children's event of falling down from the building of report occurs three, and children are abducted by stranger
Event has one.
Trace it to its cause, the safety problem one side of children is owing to their innately curious, the active and necessary safety of shortage
Knowledge and awareness of safety, on the other hand due to natural environment complicated at present and huge social mobility of people.In this feelings
Under condition, the craft relying solely on WatchChild personnel is taken care of, and has been increasingly difficult to protect for children's safety to meet current social
The requirement of shield.
Existing safety precautions at present is based on monitoring mostly, but current monitoring is either deployed in cell, street
All there is dead angle in the monitoring system in road or school, the main purpose of monitoring is to take precautions against burglar or unlawful practice, and
And these monitoring systems belong to different departments, for the head of a family or guardian of care of real moment children, have no use
Authority and may.Therefore, it is necessary to exploitation one kind is available for Parents and guardian uses, can check children whenever and wherever possible
The system of safety, thus ensure children's safety in daily life.
Content of the invention
The present invention is directed to the deficiencies in the prior art, provides one kind children's safety can be effectively ensured, prevent from wandering away, evade and
Monitor the Mobile Security Monitoring System of potential security risk.It according to the feature of children's safety monitoring, that is, has guardian adjoint
No guardian, with two kinds of scenes, safety detection is divided into pattern and autonomous mode together, different special according to both of which
Point, the information such as the position of monitoring children and activity in time, prevent dangerous generation.
The key point that the present invention solves that its technical problem adopted is：Under pattern together, wireless using Bluetooth short distance
Whether apart from guardian too far the communication technology, by the periodic communication at guardian end and children end, judge children, thus preventing
Child wanders away.In autonomous mode, positional information and the action message of children are gathered by GPS and vibrating sensor etc., in combination
Reason information system, according to zone of action set in advance, judges whether children are in hazardous area, or is in safety zone, and
When to children's possible danger of prompting.Meanwhile, it is used public network server as the relaying of information transfer, children end will gather
To the positional information of children and action message guardian end is sent to the predetermined cycle, at guardian end in time with map and
Alert, or the mode of status information shows, watches for guardian and according to circumstances takes measures.
The present invention by the security scenario of children is divided into pattern and autonomous mode both of which together, in pattern together
Whether lower monitoring children walk out outside the tutorial visual field, and whether monitoring children occur according to predetermined track in autonomous mode
In predetermined place, and the guard key region that children pass through in walking is reminded in time, improve children for can
The prevention awareness of personal safety behavior can be threatened, and make guardian can understand the situation of children in real time, thus avoid in time can
The security incident of energy occurs, and effectively improves the personal safety of children.
The present invention solves the technical scheme taken of technical problem：
1. pattern together
Under pattern together, between guardian end and children end, connection each other is set up by bluetooth, it is mainly thought
Want whether normally to connect by monitoring, thus outside judging whether children already at safe range.Under pattern together, prison
The flow process at shield people end and children end is as described below respectively.
1）The flow process of guardian end technical scheme
Step (1) measures timer interval.Timer interval is the time-out time of a timer setting, and it is as effective
Whether monitoring children walk out the time quantum in the guardian visual field, need on the basis of the speed of service of evaluation and test equipment and call duration time
It is configured, can effectively monitor whether children walk out the guardian visual field to reach, and reduce embedded device resource as far as possible
The purpose of utilization rate.Being spaced apart of timer is set：
(formula 1)
Wherein, I represents the interval of timer, and S represents the ultimate range of monitoring under pattern together, and V represents children's walking
Maximal rate.Using the 1/3 of I as Timer interval I in emergency situationsE
Step (2) initializes guardian's end equipment.In initialization, children's end equipment that setting guardian requires to look up
Bluetooth title, opens the bluetooth equipment at guardian end, and setting guardian end bluetooth equipment keeps wireless calling when being communicated
Maximum time interval is I.
Step (3) sets up the connection between guardian's end equipment and children's end equipment.It is divided into following operation：
A. visible bluetooth equipment around the scanning of guardian end.If can not find the bluetooth device name at children end, carry
Show error message, otherwise continue following operation.
B. send pairing request to children's end equipment.According to the device name at the children end being pre-configured with, set to children end
Preparation plays pairing request.
Step (4) guardian's end equipment to children's end equipment send Hello request, children's end equipment after receiving the request to
Guardian's end equipment replys Reply information to be responded.If guardian's end equipment smoothly receives the sound of children's end equipment
Answer information, then carry out step（5), otherwise, release and be connected with the pairing at children end, come back to step（3）In a swept
Retouch.
The state that step (5) display connects.Guardian end sends Keep information to children end, if receiving children end
Alive replys, and shows to be between children and guardian in safe distance range, dispaly state normal information；Otherwise, in youngster
When disconnecting in Tong Duan and guardian end, change time interval I that timer interval is under the state of emergencyEIf, continuously
Still can not recover normal with guardian end twice to connect, then send vibration and sound alarm, remind guardian to find children.No
Then, if connecting normal, returning to normal timer interval, i.e. I, and being in normal condition.
2）The flow process of children end technical scheme
Step (1) initializes children's end equipment.In initialization, configuration children's end equipment can accept the guardian matching
The title of bluetooth equipment, and open the bluetooth equipment at children end.
Step (2) receives the pairing request from guardian end.Children's end equipment is according to the indigo plant initiating request detecting
The title of tooth equipment, if from the bluetooth device name at guardian end, then accept pairing request.
Step (3) waits the Hello information from guardian end.Children's end equipment with guardian's end equipment successful matching
Afterwards, wait the Hello solicited message from guardian end.Without receiving, then wait always, if received, to
Guardian end sends Reply information to respond.
Step (4) waits the Keep information from guardian end.Children end waits the Keep request letter from guardian end
Breath.Without receiving, then waiting always, if received, sending Alive information response to guardian end, to show
It is in normal connection status.
2. autonomous mode
In autonomous mode it is necessary first to set up the data structure of traffic path.Traffic path is made up of region and line.Area
Domain includes the region that children understand here stop, and danger zone.These area flags title and purposes attribute, and safety
With harmful grade etc., line has then indicated crossing and harmful grade etc..Subsequently, the flow process at guardian end and children end is as follows respectively
Described.
1) flow process of guardian end technical scheme
Step (1) initializes the communication interface at guardian end.3G the or WIFI communications setting at initialization guardian end, in prison
Shield people end configures the information such as address and the port of public network server, and configures the time interval being communicated with public network server
IA.
Step (2) initializes the display information at guardian end.The map denotation information at initialization guardian end, including acquiescence
Map denotation position, the initial position of children, the task of children, the trip mode of children, arrangement of time etc..
Step (3) sets up the communication connection at guardian end and public network server.Guardian opens at end the connection with public network, and
Wait the test information occurring from public network server end, the identification information according to extracting distinguishes oneself required message, return
The test information that multiple connection receives.
Step (4) processes the information receiving from children's termination.Guardian end is according to predetermined time cycle IAFrom server
End receives message, if not receiving fresh information, continues waiting for；If receiving the information that children end is sent, in map
On show the position that children are presently in, and according to the analysis to child behavior, according to present position danger set in advance
Pattern classification, and its size of risk factor, decide whether to send alarm to guardian.If children present position is without exception,
Then only show the current state of children, in such as moving, static etc..Otherwise, alert to guardian.
2) flow process of children end technical scheme
Step (1) initializes the communication interface at children end.3G the or WIFI communications setting at initialization children end, at children end
The information such as the address of configuration public network server and port, and configure the time interval sending information to public network server.
Step (2) sets up the communication connection at children end and public network server.Children open at end the connection with public network server,
One message is sent to public network server from children end, this message, in addition to including identification information, also includes the mark tested
Know.Whether can proper communication to test guardian end and children end.
Step (3) monitors position and the action message at children end.When communication, children end is in the position to children and work
After dynamic information is monitored, it is respectively processed according to situations below：
A. the monitoring result according to position, if being in danger zone, such as through the crossing of traffic lights, or through one
When construction site is other, according to harmful grade, with the auditory tone cues such as " paying special attention to * * * ", " noting * * * ", " noticing * * * ",
Remind children's attention safety precaution, and according to predetermined time cycle IATo server messaging.
B. the result according to position monitoring, if being in safety dwelling region, such as in school, then extends to public network service
Device carries out the time interval of status data transmission to IS.According to the result that the action message of children is monitored, will monitor
The static, information such as walk about and and time when information sends as content sent along to public network server.
The invention has the advantages that：
1. the present invention is divided into pattern and autonomous mode both of which together children's safety management, guards under pattern together
Whether people passes through to set children's route in activity in the range of can setting at one's side with real-time monitoring children in autonomous mode
And region, whether scene prompting is normally carried out in time for its whereabouts and activity and is sent to guardian, thus being conducive to guarding
People, according to different scene needs, carries out safety monitoring to children, improves children's personal safety.
2., when timer is arranged, under pattern together, whether monitoring can be changed with normally associate according to children end
Frequency, improves the real-time of monitoring；Only send the information of position in autonomous mode, and the result of motion state, reduce
The data volume of transmission, and by carrying out data processing at children end and guardian end simultaneously, improve and children are reminded
With the promptness being alerted to guardian.
3., in terms of transmission reliability, under pattern together, the short-distance wireless communication using bluetooth can pass through barrier
With the advantage of 10 meters about of visual range, and the feature of low energy consumption, improve adaptability and the energy efficiency of equipment；?
Under autonomous mode, using the extensive spreadability of 3G and WIFI network and the outdoor navigation feature of GPS it is ensured that taking action for children
The reliability of monitoring, and by the data buffering of public network server it is ensured that when guardian end and children end distributed monitoring, number
According to asynchronism interference will not be produced to the reliability of data transfer.
Present invention achieves short range and long-range two ways, for the real-time monitoring of children's activity and prompting, are very suitable for
Guardian is for having certain mobility, but the children not possessing stronger sense of self-protection carry out safety monitoring, to prevent
Children loss or run into unexpected danger.
Brief description
Fig. 1 accompany pattern under guardian end flow chart；
Fig. 2 accompany pattern under children end flow chart；
Guardian end flow chart under Fig. 3 autonomous mode；
Children end flow chart under Fig. 4 autonomous mode；
The structure chart of communication under Fig. 5 autonomous mode.
Specific embodiment
Comprised the steps using the method that portable set improves children's personal safety：
1. accompany pattern
1）The flow process of guardian end technical scheme, referring to Fig. 1.
Step (1) measures and setting timer interval.The bluetooth procedures being carried by Android mobile phone, test is in market, meeting
Average communication distance when is as the monitoring ultimate range under this scene, the then maximum speed when running for the children
As the maximal rate of the walking of children, S represents the ultimate range of monitoring under pattern together to degree, and V represents the maximum of children's walking
Speed.Calculate the time interval that under the pattern that accompanies, timer sets according to following formula:
And using the 1/3 of this time interval as time interval I in emergency situationsE.
Step (2) initializes guardian's end equipment.In initialization, children's end equipment that setting guardian requires to look up
Bluetooth title is known title, obtains the indigo plant at guardian end by BluetoothAdapter.getDefaultAdapter ()
After tooth equipment, open the bluetooth equipment at guardian end using enable () method, setting guardian end bluetooth equipment is communicated
When keep wireless calling maximum time interval be iInterval=I.
Step (3) sets up the connection between guardian's end equipment and children's end equipment.It is divided into following operation：
A. visible bluetooth equipment around the scanning of guardian end.If can not find the bluetooth equipment of children end title, carry
Show error message, otherwise continue following operation.
B. send pairing request to children's end equipment.According to the device name at the children end being pre-configured with, set to children end
Preparation plays pairing request.
C. create BluetoothSocket, send connection request to children's end equipment.
Step (4) guardian's end equipment to children's end equipment send Hello request, children's end equipment after receiving the request to
Guardian's end equipment replys Reply information to be responded.If guardian's end equipment smoothly receives the response of children's end equipment
Information, then carry out step（5), otherwise, release and be connected with the pairing at children end, come back to step a and be scanned.
The state that step (5) display connects.Guardian end sends Keep information to children end, if receiving children end
Alive replys, and shows to be between children and guardian in safe distance range, dispaly state normal information；Otherwise, in youngster
When disconnecting in Tong Duan and guardian end, change the interval I that timer interval is under the state of emergencyEIf, double
Still can not recover normal with guardian end to connect, then send vibration and sound alarm, remind guardian to find children.Otherwise,
If connecting normal, returning to normal timer interval, i.e. I, and being in normal condition.
2）The flow process of children end technical scheme, referring to Fig. 2.
Step (1) initializes children's end equipment.In initialization, configuration children's end equipment can accept the guardian matching
The title of bluetooth equipment, and open the bluetooth equipment at children end.
Step (2) receives the pairing request from guardian end.Children's end equipment is according to the indigo plant initiating request detecting
The title of tooth equipment, if from the bluetooth device name at guardian end, then accept pairing request.
Step (3) creates BluetoothServerSocket, waits the connection request from guardian end.Receiving
After this connection request, accept it, thus setting up connection.
Step (4) waits the Hello information from guardian end.Children's end equipment with guardian's end equipment successful matching
Afterwards, receive the Hello solicited message from guardian end from inlet flow.Without receiving, then wait always, if connect
Receive, then send Reply information to respond to guardian end.
Step (5) waits the Keep information from guardian end.Children end receives from guardian end from inlet flow
Keep solicited message.Without receiving, then wait always, if receiving, guardian end being flowed to by output and sends
Alive information response, to show to be in normal connection status.
2. autonomous mode
1) flow process of guardian end technical scheme, referring to Fig. 3 and Fig. 5.
Step (1) initializes the communication interface at guardian end.Prison is obtained by the ConnectivityManager class of Android
The information whether 3G and WIFI at shield people end connects, if being not connected with, pointing out user to open 3G or WIFI, joining at guardian end
Put the information such as IP address and the serve port of public network server, and selected between the time being communicated with public network server by user
Every, can select 10 seconds, 30 seconds, 1 minute, 3 minutes, 5 minutes etc., also can be by user input time interval as IA.
Step (2) initializes the display information at guardian end.Carry out the initialization of map layer first, then initialize silent
The map denotation position recognized, the initial position of children（The position that for example its address is located）, the trip task of children (e.g. goes
Park, go to school, buy book etc.), the vehicles such as the employing walking of children or bus, and plan departure time, during return
Between etc..
Step (3) sets up the communication connection at guardian end and public network server.Guardian end uses him in step（1）In
The IP address of public network and serve port are opened and are connected with the Socket of public network, arrange the max-timeout stand-by period.Connect setting up
Afterwards, inlet flow and output stream are opened, the application layer protocol that the public network server according to using provides in this port, using this agreement
Specification flow to public network server from output and send request, retrieve the test post at the children end that it receives, root from inlet flow
Distinguish oneself required message according to the identification information AC extracting, reply the test information receiving.
Step (4) processes the information receiving from children's termination.Guardian end according to the predetermined time cycle, according to use
The application layer protocol of public network server, flows to public network server using the specification of this agreement from output and sends request, from inlet flow
Retrieve the message at the children end that it receives.If not receiving fresh information, continue waiting for；If receiving children end to send
Information, then the position that children are presently in is shown on map, and according to the analysis to child behavior, according to present position
Limit risk classification set in advance, and its size of risk factor, decide whether to send alarm to guardian.If children institute
Place position is without exception, then only show the current state of children, in such as moving, static etc..Otherwise, alert to guardian.
2) flow process of children end technical scheme, referring to Fig. 4 and Fig. 5.
Step (1) initializes the communication interface at children end.Children are obtained by the ConnectivityManager class of Android
The information whether 3G and WIFI at end connects, if be not connected with, pointing out user to open 3G or WIFI, configuring at guardian end public
The information such as the IP address of network server and serve port, and the time interval being communicated with public network server is selected by user,
Can select 10 seconds, 30 seconds, 1 minute, 3 minutes, 5 minutes etc., also can be by user input time interval as IA.Should be noted
It is, between the time interval that children end is communicated with public network server and the time that guardian end is communicated with public network server
Consistent every needing.
Step (2) sets up the communication connection at children end and public network server.Children end uses him in step（1）In public network
IP address and serve port open and be connected with the Socket of public network, arrange maximum latency Twc.Children open at end and public network
After the connection of server, open inlet flow and output stream, assisted according to the application layer that the public network server using provides in this port
View, flows to public network server using the specification of this agreement from output and sends a message, this message is except including identification information AC
Outward, also include mark TestC tested, then wait, from inlet flow, the information returning from guardian end, to test monitoring
Whether people end and children end can proper communications.
Step (3) monitors position and the action message at children end.Children end by being connected with the Socket of server end, from
According to predetermined time cycle I in output streamASend the child position monitoring and the message of action message, children to server
End is handled as follows while sending message：
A. the monitoring result according to position, if being in prompting point or reminding at region, such as through the crossing of traffic lights,
Or when a construction site is other, according to harmful grade, with " paying special attention to * * * ", " noting * * * ", " noticing * * * "
Deng auditory tone cues, remind children's attention safety precaution.
B. the result according to position monitoring, if being in safety dwelling region in the time of regulation, extends to public network clothes
Business device carries out the time interval of status data transmission to IS（ISBy user setup）.And the action message of children is monitored, will
The static, information such as walk about that monitors and and time when information sends as content sent along to public network server.
Claims (1)
1. utilize portable set improve children's personal safety method it is characterised in that：The security scenario of children is divided into
Pattern and autonomous mode both of which together, outside under pattern together, whether monitoring children walk out the tutorial visual field, certainly
Under holotype, whether monitoring children occur in predetermined place, and the emphasis that children are passed through in walking according to predetermined track
Taking precautions against region to be reminded in time, thus avoiding possible security incident to occur in time, and so that guardian can be understood in real time
Virgin situation；
Described pattern together refers to that children lead the pattern of action by guardian；Guardian end and children in such a mode
Between end, connection each other being set up by bluetooth, whether normal being connected by monitoring, thus judging whether that children have located
Outside safe range, specifically：
1) guardian end：
Step (1-1) measures timer interval；Timer interval is the time-out time of a timer setting, and it is supervised as effective
Survey the time quantum whether children walk out the guardian visual field, need to enter on the basis of the speed of service of evaluation and test equipment and call duration time
Row setting, can effectively monitor whether children walk out the guardian visual field to reach, and reduces embedded device resource profit as far as possible
Purpose with rate；Being spaced apart of timer is set：
Wherein, I represents the interval of timer, and S represents the ultimate range of monitoring under pattern together, and V represents the maximum of children's walking
Speed；Using the 1/3 of I as Timer interval I in emergency situationsE
Step (1-2) initializes guardian's end equipment；In initialization, the indigo plant of children's end equipment that setting guardian requires to look up
Tooth title, opens the bluetooth equipment at guardian end, and setting guardian end bluetooth equipment keeps wireless calling when being communicated
Big time interval is I；
Step (1-3) sets up the connection between guardian's end equipment and children's end equipment；It is divided into following operation：
Visible bluetooth equipment around the scanning of 1-a. guardian end；If can not find the bluetooth device name at children end, point out
Error message, otherwise continues following operation；
1-b. sends pairing request to children's end equipment；According to the device name at the children end being pre-configured with, to children's end equipment
Initiate pairing request；
Step (1-4) guardian's end equipment sends Hello request to children's end equipment, and children's end equipment is after receiving the request to prison
Shield people's end equipment replys Reply information to be responded；If guardian's end equipment smoothly receives the response of children's end equipment
Information, then carry out step (1-5), otherwise, releases and is connected with the pairing at children end, the 1-a coming back in step (1-3) is carried out
Scanning；
The state that step (1-5) display connects；Guardian end sends Keep information to children end, if receiving children end
Alive replys, and shows to be between children and guardian in safe distance range, dispaly state normal information；Otherwise, in youngster
When disconnecting in Tong Duan and guardian end, change time interval I that timer interval is under the state of emergencyEIf, continuously
Still can not recover normal with guardian end twice to connect, then send vibration and sound alarm, remind guardian to find children；No
Then, if connecting normal, returning to normal timer interval, i.e. I, and being in normal condition；
2) children end：
Step (2-1) initializes children's end equipment；In initialization, the guardian that configuration children's end equipment can accept to match is blue
The title of tooth equipment, and open the bluetooth equipment at children end；
Step (2-2) receives the pairing request from guardian end；Children's end equipment is according to the bluetooth initiating request detecting
The title of equipment, if from the bluetooth device name at guardian end, then accept pairing request；
Step (2-3) waits the Hello information from guardian end；Children's end equipment with guardian's end equipment successful matching
Afterwards, wait the Hello solicited message from guardian end；Without receiving, then wait always, if received, to
Guardian end sends Reply information to respond；
Step (2-4) waits the Keep information from guardian end；Children end waits the Keep solicited message from guardian end；
Without receiving, then waiting always, if received, sending Alive information response to guardian end, to show to be in
Normal connection status；
Described autonomous mode, refers to children in guardian not at one's side, uninfluenced pattern；In such a mode firstly the need of
Set up the data structure of traffic path；Traffic path is made up of region and line；Region include children understand here stop region with
And danger zone；These area flags title and purposes attribute, and safety and harmful grade, line then indicated crossing and
Harmful grade；
3) guardian：
Step (3-1) initializes the communication interface at guardian end；3G the or WIFI communications setting at initialization guardian end, in monitoring
People end configures address and the port information of public network server, and configures time interval I being communicated with public network serverA；
Step (3-2) initializes the display information at guardian end；The map denotation information at initialization guardian end, including acquiescence
Map denotation position, the initial position of children, the task of children, the trip mode of children, arrangement of time；
Step (3-3) sets up the communication connection at guardian end and public network server；Guardian opens at end the connection with public network, and waits
Treat the test information occurring from public network server end, the identification information according to extracting distinguishes oneself required message, replys
The test information receiving；
Step (3-4) processes the information receiving from children's termination；Guardian end is according to the time being communicated with public network server
Interval IAFrom received server-side message, if not receiving fresh information, continue waiting for；If receiving what children end was sent
Information, then show the position that children are presently on map, and according to the analysis to child behavior, pre- according to present position
The limit risk classification first setting, and its size of risk factor, decide whether to send alarm to guardian；If residing for children
Position is without exception, then only show the current state of children；Otherwise, alert to guardian；
4) children end：
Step (4-1) initializes the communication interface at children end；3G the or WIFI communications setting at initialization children end, joins at children end
Put the information such as address and the port of public network server, and configure time interval I sending information to public network serverB；
Step (4-2) sets up the communication connection at children end and public network server；Children open at end the connection with public network server, by
Children end sends a message to public network server, and this message, in addition to including identification information, also includes the mark tested；
Whether can proper communication to test guardian end and children end；
Step (4-3) monitors position and the action message at children end；When communication, children end is entered in the action message to children
After row monitoring, it is respectively processed according to situations below：
4-a. is according to the monitoring result of position, if being in danger zone, with auditory tone cues, reminds children's attention safety precaution,
And according to predetermined time interval I sending information to public network serverBTo server messaging；
4-b., according to the result of position monitoring, if being in safety dwelling region, extending and carrying out state to public network server
The time interval of data is activation is to IS；According to the result that the action message of children is monitored, by monitor static, walk about
Information and and information send when time as content sent along to public network server.
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| CN201410667316.6A CN104408872B (en) | 2014-11-20 | 2014-11-20 | Method of improving children's security by utilizing portable equipment |
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| CN201410667316.6A CN104408872B (en) | 2014-11-20 | 2014-11-20 | Method of improving children's security by utilizing portable equipment |
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| CN104408872B true CN104408872B (en) | 2017-02-08 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| CN110477495A (en) * | 2019-07-09 | 2019-11-22 | 济南大学 | Children's rpyroelectric infrared detects safety cap, detection system and application method |
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