CN105788169A - Anti-lost system and anti-lost method for children - Google Patents
Anti-lost system and anti-lost method for children Download PDFInfo
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- CN105788169A CN105788169A CN201610349751.3A CN201610349751A CN105788169A CN 105788169 A CN105788169 A CN 105788169A CN 201610349751 A CN201610349751 A CN 201610349751A CN 105788169 A CN105788169 A CN 105788169A
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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
- G08B21/0261—System arrangements wherein the object is to detect trespassing over a fixed physical boundary, e.g. the end of a garden
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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]
Abstract
The invention discloses an anti-lost system and an anti-lost method for children and is mainly designed for sending out alarm information quickly and conveniently when the children are in danger. The anti-lost system comprises an anti-lost terminal and a mobile terminal, wherein the anti-lost terminal at least comprises a triaxial-acceleration sensor unit and a danger alarm unit; the danger alarm unit comprises an alarm-time setting module, a Bluetooth search module and an alarm output module; the alarm-time setting module is used for setting a period of time when the anti-lost terminal can upload alarm data to the mobile terminal; the Bluetooth search module is used for searching the matched mobile terminal when the triaxial-acceleration sensor unit obtains a preset shape drawn/walked by single foot or a preset figure is drawn/walked by double feet, if the matched mobile terminal is not searched, the alarm output module sends out alarm information.
Description
Technical field
The present invention relates to a kind of preventing child to wander away system and method.
Background technology
Children loss problem is for each family, and losing child is all the disaster as a sky collapses, and not only causes the misfortune of family, also a serious social problem has been become, cause a degree of society panic, added factors leading to social instability, have a strong impact on the harmonious development of society；Except some are grabbed and swindle, wherein also having is due to or other occasions many people greatly, causes children loss owing to child and guardian wander away, and owing to not finding not search in time in time, result in children loss.
Currently also there are some children loss prevention devices, but these devices are mostly based on GPS location and monitor the current location of child, and then prevent children loss, during due to GPS in building, location is easily forbidden or cannot be carried out being accurately positioned, such then cannot position quickly and accurately after children loss, and miss best searching opportunity.It addition, preventing child wander-away device is all adopt GPS to position mostly, trader in human beings is allowed by GPS interference unit, child's positioner to be lost efficacy.
It addition, existing preventing child wander-away device general utility functions are more single, the structure comparison of device big, identification is higher.
Summary of the invention
For the problems referred to above, the present invention provides a kind of child when facing a danger, it is possible to the preventing child of alert is wandered away system and method quickly and easily.
For reaching above-mentioned purpose, preventing child of the present invention is wandered away system, including anti-wander away terminal, mobile terminal；Described anti-terminal of wandering away at least includes 3-axis acceleration sensor unit, danger warning unit, and described danger warning unit includes: time of fire alarming setting module, bluetooth discovery module, alarm output module；
Described time of fire alarming setting module, sets anti-terminal of wandering away and can upload the alert data time period to mobile terminal；
Bluetooth discovery module, draws/walks out reservation shape by single foot or when both feet draw/walk out predetermined pattern acquiring 3-axis acceleration, scan for the mobile terminal matched,
If not searching the mobile terminal matched, then described alarm output module alert.
Further, described predetermined shape includes straight path and/or angle of turn track.
Further, described reservation shape is for be sent to a location point by starting point, then is returned by this location point, the shape being terminal with the location point around this starting point or starting point.
Further, described time of fire alarming setting module, including the first setting module, the second setting module, wherein
First setting module, receiving user is time of fire alarming section the time period set in advance；
Second setting module, the mobile terminal that anti-terminal of wandering away is matched by bluetooth discovery block search at predetermined intervals,
If searching, then set current search moment to next a period of time searching between moment as non-time of fire alarming section；
If not searching, then set current search moment to next a period of time searching between moment as time of fire alarming section.
Further, described danger warning unit also includes reporting to the police connecting terminal PRI module, when alert data module can send alert data at least two mobile terminal, report to the police and connect terminal PRI module, set alarm output module preferentially to that mobile terminal alert, alert data module sends the warning message of pre-determined number one by one according to the alarm priority order that warning connection priority stores to each mobile terminal, so circulates, until receiving echo message of reporting to the police successively.
Further, described warning connection priority module, including the first priority level initializing module, described first priority level initializing module, set the warning connection priority sequence list of each time of fire alarming section for user.
Further, described anti-system of wandering away also includes GPS module, described warning connection priority module, also include the second priority level initializing module, one of them mobile terminal that can accept warning message obtains self current location, anti-wander away terminal current location, other mobile terminal current locations with predetermined time interval
Alarming mobile terminal can be accepted according to described and prevent that the distance wandering away between terminal from the close-by examples to those far off carries out prioritization, and updating the alarm priority of the second priority level initializing module.
Further, described mobile terminal also includes warning shape recognition module, draws/walks out reservation shape by the 3-axis acceleration received by single foot or both feet draw/walk out predetermined pattern and are converted into the discernible warning message of corresponding word or voice or other forms and export.
Further, described danger warning unit also includes motionless alarm module, when the acceleration information of 3-axis acceleration sensor acquisition within a predetermined period of time is not within the scope of predetermined acceleration, then triggers described alarm output module alert.
Further, described anti-terminal of wandering away includes GPS module, for setting the safety zone of child；Described danger warning unit also includes pressure alarm module, for, in time of fire alarming section, detecting whether child's foot has pressure with predetermined time interval,
If detecting, child's foot does not have pressure, then whether GPS module detection child is in safety zone, if, then do not process；If not existing, then alarm output module, export warning message；
If detecting, child's foot has pressure, then whether GPS module detection child is in safety zone, if, then do not process；If not existing, then alarm output module, export warning message.
Further, described anti-terminal of wandering away also includes GPS module, indoor positioning unit, described indoor positioning unit, when GPS lost efficacy, rectangular coordinate system is set up for initial point in the position recorded before losing efficacy with GPS, and Z axis is perpendicular to ground, X-axis is directed straight ahead, and Y-axis points to front-right；X-direction displacement is calculated by integral formula ∫ 0.5*a (x) * t*t*dt with predetermined integration time interval, Y direction displacement is calculated by integral formula ∫ 0.5*a (y) * t*t*dt, Z-direction displacement is calculated by integral formula ∫ 0.5*a (z) * t*t*dt, repeat cumulative integrated value, obtain user current location, and by current location output to track memory element.
Further, described anti-terminal of wandering away also includes motion and accompanies timing unit, 3-axis acceleration sensor detects that user carries out predetermined athletic performance and/or detects that the motion index of user reaches movement threshold, then the bluetooth discovery module of anti-terminal of wandering away sends connection enabling signal to mobile terminal, and mobile terminal records the time that wearable device is connected with this mobile terminal.
Further, described anti-terminal of wandering away also includes province's electric unit, communication unit, and described province electric unit includes data uplink time setting module, upload frequencies setting module；Uplink time setting module, carries out uploading to mobile terminal the time period of data for setting communication unit, and described uplink time section is divided into idle time period, busy time period；Upload frequencies setting module, for setting communication unit to the upload frequencies in each time period that mobile terminal uploads data, upload frequencies setting module sets the data upload frequencies data upload frequencies more than the idle time period of busy time period.
Further, described province electric unit includes also including upload frequencies change module, is used for detecting whether user is moving,
If within the idle time period, detect that user is moving, then the frequency that wearable device is uploaded data is updated to the data upload frequencies of busy time period；
If within the busy time period, it does not have detect that user is moving, then the frequency that wearable device is uploaded data is updated to the data upload frequencies of idle time period.
Further, described communication unit includes bluetooth module, SIM, and described province electric unit also includes uploading selection module, is used for monitoring whether wearable device mobile terminal is connected with mobile terminal bluetooth,
If wearable device is connected with mobile terminal bluetooth, then uploads selection module startup bluetooth module and carry out data transmission；
If wearable device does not have bluetooth to be connected with mobile terminal, then upload selection module startup bluetooth module and send connection enabling signal to mobile terminal,
If wearable device is connected with mobile terminal bluetooth, then uploads selection module startup bluetooth module and carry out data transmission；
If wearable device does not have bluetooth to be connected with mobile terminal, then upload selection module startup SIM and carry out data transmission to mobile terminal.
Further, the bluetooth module of anti-terminal of wandering away sends connection enabling signal to mobile terminal,
If being connected to a mobile terminal, then wearable device is connected with this mobile terminal bluetooth；
If being connected at least two mobile terminal, then wearable device carries out timesharing bluetooth with each mobile terminal and is connected.
Further, described uplink time setting module receives the movement time section distribution of section of the upper a statistical time statistics based on mobile terminal output, carries out the setting of idle time period, busy time period.
Further, described motion accompanies timing unit also to include accompanying time calculating unit when bluetooth disconnects, and the bluetooth module for calculating anti-terminal of wandering away is again coupled to the company time of communication after disconnecting communication with mobile terminal, including
Time threshold setting module, is used for setting very first time threshold value and the second time threshold, and wherein, the duration of the second time threshold is more than the duration of very first time threshold value；
Accompany time judgment module, the interval again searched when being connected also communication for judging wearable device to be disconnected to mobile terminal,
If this interval is in very first time threshold range, then this period of turn-off time is counted the company time；
If this interval is within the scope of the second time threshold, then range ability computing module carries out following steps:
Mobile terminal, when bluetooth communication connects and disconnects, positions the initial position of mobile terminal by GPS, does radiation circle, the initial position of wearable device certain point on this Circular test with bluetooth radiation length for radius
With predetermined time interval, obtain the current location of mobile terminal, calculate the displacement of mobile terminal current location relative initial position, the direction of motion；
The wearable device movement locus by 3-axis acceleration sensor record wearable device；
With the initial position of mobile terminal for round dot, draw radiation circle with the connection distance of mobile terminal bluetooth with wearable device bluetooth for radius, described radiation circle selects some points as the standby initial position of wearable device；
The standby current location of the wearable device of each described standby initial position of moving track calculation according to wearable device；
Calculate respectively distance between the current location of mobile terminal and each standby current location and, average, compare this meansigma methods whether within the scope of default distance threshold,
If this meansigma methods is in default distance threshold scope, then this interval is the company time；
If this meansigma methods distance is less than default distance threshold scope, then this interval is the non-company time.
Further, timing unit is accompanied in described motion, also includes motion duration calculation unit, is used for calculating
The motion duration of user within the motion company time；
Described motion duration calculation unit, including
Motion capture module, is arranged in wearable device, obtains the motion trace data of the 3-axis acceleration sensor collection moved in the company time period and/or the motion stress data of pressure transducer collection with tentation data transmission cycle；
Motion model memory module, it is arranged in described wearable device, for storing in a upper measurement period, for in memory mobile terminal transmission to a upper measurement period of wearable device, the motion model that the longest sports events of motion duration is corresponding, described motion model includes foot movement locus model and/or foot movement pressure model；
Motion model the first matching module, the foot movement locus model of motion trace data in each data transfer cycle with the storage of described motion model memory module is matched and/or described in motion stress data, the foot movement pressure model of motion model memory module storage matches
If movement locus coupling and/or pressure data coupling, then recording this transmission cycle is the actual motion time；
If movement locus coupling and pressure data do not mate, then the motion trace data obtained and/or motion stress data are exported to mobile terminal by motion capture module；
Motion of mobile terminals model fitting module, is arranged in described mobile terminal, and for storing the motion model of every motion, described motion model includes foot movement locus model and/or foot movement pressure model；
Described motion model the second matching module is chosen motion trace data in foot movement locus model and each data transfer cycle of respective items motion and is matched and/or described second matching module chooses foot movement pressure model and the motion stress data match in each data transfer cycle of respective items motion
If movement locus coupling and/or pressure data coupling, then recording this transmission cycle is the actual motion time；
If movement locus coupling and pressure data do not mate, then this transmission cycle is the non-actual period of motion.
For reaching above-mentioned purpose, preventing child of the present invention is wandered away method, including
Set the time period that alert data can be uploaded；
When getting the figure that 3-axis acceleration sensor was drawn by both feet/walked out reservation shape, scan for the mobile terminal matched,
If searching the mobile terminal matched, then do not process；
If not searching the mobile terminal matched, then described alarm output module by SIM to mobile terminal alert.
Further, described predetermined shape includes straight path, angle of turn track, returns track.
Further, described reservation shape is for be sent to a location point by starting point, then is returned by this location point, the shape being terminal with the location point around this starting point or starting point.
Further, also include setting time of fire alarming step, specifically include, including the first setting module, the second setting module, wherein
First setting module, receiving user is time of fire alarming section the time period set in advance；
Second setting module, the mobile terminal that anti-terminal of wandering away is matched by bluetooth discovery block search at predetermined intervals,
If searching, then set current search moment to next a period of time searching between moment as non-time of fire alarming section；
If not searching, then set current search moment to next a period of time searching between moment as time of fire alarming section.
Further, also include warning connection priority setting procedure, when alert data can be sent at least two mobile terminal, set alarm output module preferentially to that mobile terminal alert, alarm priority order according to the storage of warning connection priority sends the warning message of pre-determined number one by one to each mobile terminal, so circulation, until receiving echo message of reporting to the police successively.
Further, described alarm priority is the warning connection priority sequence list that user sets each time of fire alarming section.
Further, described alarm priority is obtained self current location, anti-wander away terminal current location, other mobile terminal current locations by one of them mobile terminal that can accept alarming mobile terminal with predetermined time interval, can accept alarming mobile terminal according to described and prevent that the distance wandering away between terminal from the close-by examples to those far off carries out prioritization.
Further, described mobile terminal also includes warning shape recognition module, draws/walks out reservation shape by the 3-axis acceleration received by single foot or both feet draw/walk out predetermined pattern and are converted into the discernible warning message of corresponding word or voice or other forms and export.
Further, also include the acceleration information working as 3-axis acceleration sensor acquisition within a predetermined period of time not within the scope of predetermined acceleration, then trigger described alarm output module alert.
Further, the safety zone setting child is also included；In time of fire alarming section, detect whether child's foot has pressure with predetermined time interval,
If detecting, child's foot does not have pressure, then whether detection child is in safety zone, if, then do not process；If not existing, then export warning message；
If detecting, child's foot has pressure, then whether detection child is in safety zone, if, then do not process；If not existing, then alarm output module, export warning message.
Further, also including indoor positioning step, specifically include, when GPS lost efficacy, rectangular coordinate system is set up for initial point in the position recorded before losing efficacy with GPS module, and Z axis is perpendicular to face, ground, and X-axis is directed straight ahead, and Y-axis points to front-right；X-direction displacement is calculated by integral formula ∫ 0.5*a (x) * t*t*dt with predetermined integration time interval, Y direction displacement is calculated by integral formula ∫ 0.5*a (y) * t*t*dt, Z-direction displacement is calculated by integral formula ∫ 0.5*a (z) * t*t*dt, repeat cumulative integrated value, obtain user current location, and by current location output to track memory element.
Further, also include motion and accompany timed process, specifically include 3-axis acceleration sensor and detect that user carries out predetermined athletic performance and/or detects that the motion index of user reaches movement threshold, then bluetooth discovery module sends connection enabling signal to mobile terminal, and mobile terminal records the time connected.
Further, also include the step that with battery saving mode, the data dressing terminal are uploaded to mobile terminal, specifically include: setting the time period carrying out uploading data to mobile terminal, described uplink time section is divided into idle time period, busy time period；Setting to the upload frequencies in each time period that mobile terminal uploads data, upload frequencies setting module sets the data upload frequencies data upload frequencies more than the idle time period of busy time period.
Further, also include upload frequencies change step, specifically include whether detection user is moving,
If within the idle time period, detect that user is moving, then the frequency uploading data is updated to the data upload frequencies of busy time period；
If within the busy time period, it does not have detect that user is moving, then the frequency uploading data is updated to the data upload frequencies of idle time period.
Further, also include selecting data to upload the step adopting bluetooth or SIM, specifically include whether monitoring wearable device mobile terminal is connected with mobile terminal bluetooth,
If wearable device is connected with mobile terminal bluetooth, then starts bluetooth module and carry out data transmission；
If wearable device does not have bluetooth to be connected with mobile terminal, then start bluetooth module and send connection enabling signal to mobile terminal,
If wearable device is connected with mobile terminal bluetooth, then starts bluetooth module and carry out data transmission；
If wearable device does not have bluetooth to be connected with mobile terminal, then start SIM and carry out data transmission to mobile terminal.
Further, based on the movement time section distribution of section of the upper a statistical time statistics of mobile terminal output, the setting of idle time period, busy time period is carried out.
Further, set very first time threshold value, the second time threshold, the duration of the second time threshold more than the duration of very first time threshold value,
If wearable device is connected with mobile terminal is disconnected to the interval again searching the mobile terminal matched in very first time threshold range, then this period of turn-off time is counted the company time；
If wearable device is connected with mobile terminal is disconnected to the interval again searching the mobile terminal matched within the scope of the second time threshold, and the GPS of mobile terminal is effective, then carry out following steps:
When bluetooth connects disconnection, positioned the initial position of mobile terminal by GPS, do radiation with bluetooth radiation length for radius round, the initial position of wearable device certain point on this Circular test,
With predetermined time interval, obtain mobile whole current location, calculate the displacement of mobile terminal current location relative initial position, the direction of motion, by the movement locus of 3-axis acceleration sensor record wearable device；
The current location of wearable device is determined respectively in conjunction with the movement locus of wearable device with the alternative initial position that some points of choosing on radiation circle are wearable device；
Calculate the distance of wearable device and mobile terminal current location,
If this distance is less than threshold range, then this interval is the company time；
If this distance is less than threshold range, then this interval is the non-company time.
Further, also including actual motion duration and judge step, described step includes:
The motion trace data of the 3-axis acceleration sensor collection moved in the company time period and/or the motion stress data of pressure transducer collection are obtained with tentation data transmission cycle；
Storing in a upper measurement period, the motion model that the longest sports events of actual motion duration is corresponding, described motion model includes foot movement locus model and/or foot movement pressure model；
The foot movement locus model of motion trace data in each data transfer cycle with the storage of described motion model the first matching module is matched and/or described in motion stress data, the foot movement pressure model of motion model the first matching module storage matches,
If movement locus coupling and/or pressure data coupling, then recording this transmission cycle is the actual motion time；
If movement locus coupling and pressure data do not mate, then the motion trace data obtained and/or motion stress data are exported to mobile terminal by motion capture module；
Storing the motion model of every motion, described motion model includes foot movement locus model and/or foot movement pressure model；
Choose motion trace data in foot movement locus model and each data transfer cycle of respective items motion to match and/or described second matching module chooses foot movement pressure model and the motion stress data match in each data transfer cycle of respective items motion,
If movement locus coupling and/or pressure data coupling, then recording this transmission cycle is the actual motion time；
If movement locus coupling and pressure data do not mate, then this transmission cycle is the non-actual period of motion.
Further, the bluetooth module of anti-terminal of wandering away sends connection enabling signal to mobile terminal,
If being connected to a mobile terminal, then wearable device is connected with this mobile terminal bluetooth；
If being connected at least two mobile terminal, then wearable device carries out timesharing bluetooth with each mobile terminal and is connected.
Preventing child of the present invention is wandered away system and method, pass through 3-axis acceleration sensor, in time of fire alarming section, detect after the predetermined pattern drawing with foot or walking out of child the quick alert of mobile terminal, warning facilitates, is swift in response, and 3-axis acceleration sensor is not easily found, small in volume.
Detailed description of the invention
The present invention will be further described below.
Embodiment 1
The present embodiment preventing child is wandered away system, including anti-wander away terminal, mobile terminal,
Described anti-terminal of wandering away includes danger warning unit, including time of fire alarming setting module, bluetooth discovery module, alarm output module,
Wherein said time of fire alarming setting module, for setting the time period that alert data can be uploaded；
Bluetooth discovery module, for when getting the figure that 3-axis acceleration sensor was drawn by both feet/walked out reservation shape, scanning for the mobile terminal matched,
If searching the mobile terminal matched, then do not process；
If not searching the mobile terminal matched, then described alarm output module by SIM to mobile terminal alert.
Described predetermined shape includes straight path, angle of turn track, returns track.
The present embodiment the present embodiment preventing child is wandered away method, including
Set the time period that alert data can be uploaded；
When getting the figure that 3-axis acceleration sensor was drawn by both feet/walked out reservation shape, scan for the mobile terminal matched,
If searching the mobile terminal matched, then do not process；
If not searching the mobile terminal matched, then described alarm output module by SIM to mobile terminal alert.
Described predetermined shape includes straight path, angle of turn track, returns track.
Above-mentioned preventing child is wandered away in system embodiment, described time of fire alarming setting module, including the first setting module, the second setting module, wherein
First setting module, receives the time of fire alarming section that user sets；
Second setting module, the mobile terminal that anti-terminal of wandering away is matched by bluetooth discovery block search at predetermined intervals,
If searching, then set this time period as non-time of fire alarming section；
If not searching, then set this time period as time of fire alarming section.
Above-mentioned preventing child is wandered away embodiment of the method, and being set by of described time of fire alarming receives the time of fire alarming section that user sets or the mobile terminal matched at predetermined intervals by anti-terminal of wandering away by bluetooth discovery block search,
If searching, then set this time period as non-time of fire alarming section；
If not searching, then set this time period as time of fire alarming section.
Embodiment 2
The battery of wearable device at least needs to adhere to the time of one day, owing to the wearable device needs of child are lightweight, volume is little.
The present embodiment preventing child is wandered away system, including anti-wander away terminal, mobile terminal；
Described anti-terminal of wandering away also includes province's electric unit, and described motion identifying unit includes movement locus module, and described movement locus module is 3-axis acceleration sensor, and communication unit includes bluetooth module；
3-axis acceleration sensor detects the exercise data of user, by these data by communication unit transmission to mobile terminal；
Described province electric unit includes uplink time setting module, upload frequencies setting module；Uplink time setting module, carries out uploading to mobile terminal the time period of data for setting communication unit, and described uplink time section is divided into idle time period, busy time period；Upload frequencies setting module, for setting communication unit to the upload frequencies in each time period that mobile terminal uploads data, upload frequencies setting module sets the data upload frequencies data upload frequencies more than the idle time period of busy time period.
Described province electric unit includes also including upload frequencies change module, is used for detecting whether user is moving,
If within the idle time period, detect that user is moving, then the frequency that wearable device is uploaded data is updated to the data upload frequencies of busy time period；
If within the busy time period, it does not have detect that user is moving, then the frequency that wearable device is uploaded data is updated to the data upload frequencies of idle time period.
Described uplink time setting module receives the movement time section distribution of section of the upper a statistical time statistics based on mobile terminal output, carries out the setting of idle time period, busy time period.
The present embodiment preventing child is wandered away method, including anti-wander away terminal, mobile terminal；
3-axis acceleration sensor detects the exercise data of user；
Setting communication unit to carry out uploading the time period of data to mobile terminal, described uplink time section is divided into idle time period, busy time period；
Setting communication unit to the upload frequencies in each time period that mobile terminal uploads data, upload frequencies setting module sets the data upload frequencies data upload frequencies more than the idle time period of busy time period.
The present embodiment preventing child is wandered away method, and wearable device is uploaded data acquisition power saving mode to mobile terminal and uploaded, and the method that described power saving mode is uploaded specifically includes:
Setting wearable device to carry out uploading the time period of data to mobile terminal, described uplink time section is divided into idle time period, busy time period；Upload frequencies setting module, for setting wearable device to the upload frequencies in each time period that mobile terminal uploads data, upload frequencies setting module sets the data upload frequencies data upload frequencies more than the idle time period of busy time period.
Whether detection user is moving,
If within the idle time period, detect that user is moving, then the frequency that wearable device is uploaded data is updated to the data upload frequencies of busy time period；
If within the busy time period, it does not have detect that user is moving, then the frequency that wearable device is uploaded data is updated to the data upload frequencies of idle time period.
Based on the movement time section distribution of section of the upper a statistical time statistics of mobile terminal output, carry out the setting of idle time period, busy time period.
Embodiment 3
On the basis of embodiment 1, the present embodiment preventing child is wandered away system, described anti-terminal of wandering away also includes: motion company time statistic unit, 3-axis acceleration sensor detects that user carries out predetermined action and/or detects that the motion index of user reaches movement threshold, then the bluetooth module of anti-terminal of wandering away sends connection enabling signal to mobile terminal, and mobile terminal records the time that wearable device is connected with this mobile terminal.
The bluetooth module of anti-terminal of wandering away sends connection enabling signal to mobile terminal,
If being connected to a mobile terminal, then wearable device is connected with this mobile terminal bluetooth；
If being connected at least two mobile terminal, then wearable device carries out timesharing bluetooth with each mobile terminal and is connected.
In the present embodiment, mobile terminal is the mobile phone carried with of Parents, that accompany children's sport is a head of a family sometimes, sometimes it is the plural head of a family, if the plural head of a family, the mobile phone that multiple heads of a family are carried carries out timesharing connection, then the company time of each head of a family is the single record time be multiplied by head of a family's number.
The method of the present embodiment motion company time statistics, also include movement time statistic unit, detect that user carries out predetermined action and/or detects that the motion index of user reaches movement threshold for including 3-axis acceleration sensor, then the bluetooth module of anti-terminal of wandering away sends connection enabling signal to mobile terminal, and mobile terminal records the time that wearable device is connected with this mobile terminal.
The bluetooth module of anti-terminal of wandering away sends connection enabling signal to mobile terminal,
If being connected to a mobile terminal, then wearable device is connected with this mobile terminal bluetooth；
If being connected at least two mobile terminal, then wearable device carries out timesharing bluetooth with each mobile terminal and is connected.
In the present embodiment, mobile terminal is the mobile phone carried with of Parents, that accompany children's sport is a head of a family sometimes, sometimes it is the plural head of a family, if the plural head of a family, the mobile phone that multiple heads of a family are carried carries out timesharing connection, then the company time of each head of a family is the single record time be multiplied by head of a family's number.
Embodiment 4
Owing to the connection of bluetooth is apart from limited, the present embodiment preventing child is wandered away system, although so it sometimes appear that bluetooth disconnects, but the head of a family accompanies near children, and the head of a family is actually and accompanies child's.
The present embodiment, on the basis of embodiment 1, also includes accompanying time calculating unit when bluetooth disconnects, and the bluetooth module for calculating anti-terminal of wandering away is again coupled to the company time of communication after disconnecting communication with mobile terminal, including
Time threshold setting module, is used for setting very first time threshold value and the second time threshold, and wherein, the duration of the second time threshold is more than the duration of very first time threshold value；
Accompany time judgment module, the interval again searched when being connected also communication for judging wearable device to be disconnected to mobile terminal,
If this interval is in very first time threshold range, then this period of turn-off time is counted the company time；
If this interval is within the scope of the second time threshold, then range ability computing module carries out following steps:
Mobile terminal, when bluetooth communication connects and disconnects, positions the initial position of mobile terminal by GPS, does radiation with bluetooth radiation length for radius round, the initial position of wearable device certain point on this Circular test,
With predetermined time interval, obtain the current location of mobile terminal, calculate the displacement of mobile terminal current location relative initial position, the direction of motion；
The wearable device movement locus by 3-axis acceleration sensor record wearable device；
With the initial position of mobile terminal for round dot, draw radiation circle with the connection distance of mobile terminal bluetooth with wearable device bluetooth for radius, described radiation circle selects some points as the standby initial position of wearable device；
The standby current location of the wearable device of each described standby initial position of moving track calculation according to wearable device；
Calculate respectively distance between the current location of mobile terminal and each standby current location and, average, compare this meansigma methods whether within the scope of default distance threshold,
If this meansigma methods is in default distance threshold scope, then this interval is the company time；
If this meansigma methods distance is less than default distance threshold scope, then this interval is the non-company time.
Embodiment 5
The present embodiment is on the basis of embodiment 4, and described communication unit also includes SIM, and described province electric unit also includes uploading selection module, is used for monitoring whether wearable device mobile terminal is connected with mobile terminal bluetooth,
If wearable device is connected with mobile terminal bluetooth, then uploads selection module startup bluetooth module and carry out data transmission；
If wearable device does not have bluetooth to be connected with mobile terminal, then upload selection module startup bluetooth module and send connection enabling signal to mobile terminal,
If wearable device is connected with mobile terminal bluetooth, then uploads selection module startup bluetooth module and carry out data transmission；
If wearable device does not have bluetooth to be connected with mobile terminal, then upload selection module startup SIM and carry out data transmission to mobile terminal.
Transmitting electricity consumption in bluetooth to save than SIM, so the present embodiment is when wearable device is connected with mobile terminal bluetooth, data acquisition bluetooth connects.
Embodiment 6
The present embodiment is on the basis of a upper embodiment, and the present embodiment preventing child system dangerous alarm unit of wandering away also includes pressure detecting module, pressure alarm module, GPS locating module,
Pressure detecting module, in time of fire alarming section, detects foot pressure, if GPS module detects that user moves carrying out position, and foot pressure does not have pressure or pressure data abnormal, then described pressure alarm module is to mobile terminal alert.
In the present embodiment, it is to avoid the foot of child cannot move, so cannot alert when facing a danger.GPS module can be also used for where measuring child simultaneously, arranges deathtrap, safety zone.
The present embodiment preventing child is wandered away system approach, also includes foot pressure determination step, in time of fire alarming section, detects foot pressure, if GPS module detects that user moves carrying out position, and foot pressure does not have
Pressure or pressure data are abnormal, then described pressure alarm module is to mobile terminal alert.
The present embodiment 7
If GPS lost efficacy, then cannot detect the current location of child and displacement, in order to make up this defect, the present embodiment, on the basis of a upper embodiment, also includes run trace record unit, including GPS module, travel time axle module, described GPS module records current location when GPS lost efficacy, and sets up rectangular coordinate system with described current location for initial point, and z-axis is perpendicular to face, ground, x-axis is directed straight ahead, and y-axis points to front-right；Obtained the 3-axis acceleration value produced when people walks by 3-axis acceleration sensor, detect the paces that people walks, and record the timestamp of these paces；According to direction sensor obtain detect user walk paces time direction；According to detecting that the difference of the timestamp of adjacent paces is walked by People's Bank of China, calculate cadence when people walks, cadence when walking and the relation table of height, step-length when assessor walks further according to people；The direction of step-length when walking according to people and people's walking, calculates the changes in coordinates value of the physical location after people's walking, thus navigating to the real-time run trace of people.
The present embodiment preventing child is wandered away method, the basis of a upper embodiment also includes run trace recording step, the method of described run trace recording step is with travel time axle module, described GPS module records current location when GPS lost efficacy, rectangular coordinate system is set up for initial point with described current location, z-axis is perpendicular to face, ground, and x-axis is directed straight ahead, and y-axis points to front-right；Obtained the 3-axis acceleration value produced when people walks by 3-axis acceleration sensor, detect the paces that people walks, and record the timestamp of these paces；According to direction sensor obtain detect user walk paces time direction；According to detecting that the difference of the timestamp of adjacent paces is walked by People's Bank of China, calculate cadence when people walks, cadence when walking and the relation table of height, step-length when assessor walks further according to people；The direction of step-length when walking according to people and people's walking, calculates the changes in coordinates value of the physical location after people's walking, thus navigating to the real-time run trace of people.
Embodiment 8
Within the time period that terminal is connected with bluetooth, to run, if running 30 minutes, resting 10 minutes, again carrying out running, then not running in 30 minutes now rested, then need to add up the actual time run, specifically comprise the following steps that
The present embodiment preventing child is wandered away system, also includes motion duration calculation unit, for calculating the motion duration of user within the motion company time；
Described motion duration calculation unit, including
Motion capture module, is arranged in wearable device, obtains the motion trace data of the 3-axis acceleration sensor collection moved in the company time period and/or the motion stress data of pressure transducer collection with tentation data transmission cycle；
Motion model memory module, it is arranged in described wearable device, for storing in a upper measurement period, for in memory mobile terminal transmission to a upper measurement period of wearable device, the motion model that the longest sports events of motion duration is corresponding, described motion model includes foot movement locus model and/or foot movement pressure model；
Motion model the first matching module, the foot movement locus model of motion trace data in each data transfer cycle with the storage of described motion model memory module is matched and/or described in motion stress data, the foot movement pressure model of motion model memory module storage matches
If movement locus coupling and/or pressure data coupling, then recording this transmission cycle is the actual motion time；
If movement locus coupling and pressure data do not mate, then the motion trace data obtained and/or motion stress data are exported to mobile terminal by motion capture module；
Motion of mobile terminals model fitting module, is arranged in described mobile terminal, and for storing the motion model of every motion, described motion model includes foot movement locus model and/or foot movement pressure model；
Described motion model the second matching module is chosen motion trace data in foot movement locus model and each data transfer cycle of respective items motion and is matched and/or described second matching module chooses foot movement pressure model and the motion stress data match in each data transfer cycle of respective items motion
If movement locus coupling and/or pressure data coupling, then recording this transmission cycle is the actual motion time；If movement locus coupling and pressure data do not mate, then this transmission cycle is the non-actual period of motion.
The present embodiment preventing child is wandered away method, also includes actual motion duration and judges step, and described step includes:
The motion trace data of the 3-axis acceleration sensor collection moved in the company time period and/or the motion stress data of pressure transducer collection are obtained with tentation data transmission cycle；
Storing in a upper measurement period, the motion model that the longest sports events of actual motion duration is corresponding, described motion model includes foot movement locus model and/or foot movement pressure model；
The foot movement locus model of motion trace data in each data transfer cycle with the storage of described motion model the first matching module is matched and/or described in motion stress data, the foot movement pressure model of motion model the first matching module storage matches,
If movement locus coupling and/or pressure data coupling, then recording this transmission cycle is the actual motion time；
If movement locus coupling and pressure data do not mate, then the motion trace data obtained and/or motion stress data are exported to mobile terminal by motion capture module；
Storing the motion model of every motion, described motion model includes foot movement locus model and/or foot movement pressure model；
Choose motion trace data in foot movement locus model and each data transfer cycle of respective items motion to match and/or described second matching module chooses foot movement pressure model and the motion stress data match in each data transfer cycle of respective items motion,
If movement locus coupling and/or pressure data coupling, then recording this transmission cycle is the actual motion time；
If movement locus coupling and pressure data do not mate, then this transmission cycle is the non-actual period of motion.
Embodiment 9
The present embodiment preventing child is wandered away system, including anti-wander away terminal, mobile terminal；
Described anti-terminal of wandering away at least includes 3-axis acceleration sensor unit, danger warning unit, and described danger warning unit includes: time of fire alarming setting module, bluetooth discovery module, alarm output module；
Described time of fire alarming setting module, sets anti-terminal of wandering away and can upload the alert data time period to mobile terminal；
Bluetooth discovery module, draws/walks out reservation shape by single foot or when both feet draw/walk out predetermined pattern acquiring 3-axis acceleration, scan for the mobile terminal matched,
If not searching the mobile terminal matched, then described alarm output module alert.
Further, described predetermined shape includes straight path and/or angle of turn track.
Further, described reservation shape is for be sent to a location point by starting point, then is returned by this location point, the shape being terminal with the location point around this starting point or starting point.
Further, described time of fire alarming setting module, including the first setting module, the second setting module, wherein
First setting module, receiving user is time of fire alarming section the time period set in advance；
Second setting module, the mobile terminal that anti-terminal of wandering away is matched by bluetooth discovery block search at predetermined intervals,
If searching, then set current search moment to next a period of time searching between moment as non-time of fire alarming section；
If not searching, then set current search moment to next a period of time searching between moment as time of fire alarming section.
Further, described danger warning unit also includes reporting to the police connecting terminal PRI module, when alert data module can send alert data at least two mobile terminal, report to the police and connect terminal PRI module, set alarm output module preferentially to that mobile terminal alert, alert data module sends the warning message of pre-determined number one by one according to the alarm priority order that warning connection priority stores to each mobile terminal, so circulates, until receiving echo message of reporting to the police successively.
Further, described warning connection priority module, including the first priority level initializing module, described first priority level initializing module, set the warning connection priority sequence list of each time of fire alarming section for user.
Further, described anti-system of wandering away also includes GPS module, described warning connection priority module, also include the second priority level initializing module, one of them mobile terminal that can accept warning message obtains self current location, anti-wander away terminal current location, other mobile terminal current locations with predetermined time interval
Alarming mobile terminal can be accepted according to described and prevent that the distance wandering away between terminal from the close-by examples to those far off carries out prioritization, and updating the alarm priority of the second priority level initializing module.
The various embodiments described above, described mobile terminal also includes warning shape recognition module, draws/walks out reservation shape by the 3-axis acceleration received by single foot or both feet draw/walk out predetermined pattern and are converted into the discernible warning message of corresponding word or voice or other forms and export.
Such as drawing a circle to represent, I is embraced away by stranger, draws a triangle and represents that I am at the train station, walks out a reciprocal straight line and indicates that a stranger to abduct me.
The various embodiments described above, described danger warning unit also includes motionless alarm module, when the acceleration information of 3-axis acceleration sensor acquisition within a predetermined period of time is not within the scope of predetermined acceleration, then triggers described alarm output module alert.
The predetermined acceleration at this place, such as this time period is child's break at school, or child is going to school, on the road finished classes and leave school, namely during this period of time child needs to walk, anti-terminal of wandering away is worn on foot, and the walking of foot can make 3-axis acceleration sensor output acceleration information, without output, then it is possible that it is that something unexpected happened for child, for instance carried off away by people, or embraced away by people.Namely for being likely to unexpected situation outside predetermined acceleration scope, this scope sets according to practical situation particular user.
The various embodiments described above, described anti-terminal of wandering away includes GPS module, for setting the safety zone of child；Described danger warning unit also includes pressure alarm module, for, in time of fire alarming section, detecting whether child's foot has pressure with predetermined time interval,
If detecting, child's foot does not have pressure, then whether GPS module detection child is in safety zone, if, then do not process；If not existing, then alarm output module, export warning message；
If detecting, child's foot has pressure, then whether GPS module detection child is in safety zone, if, then do not process；If not existing, then alarm output module, export warning message.
In the various embodiments described above, described anti-terminal of wandering away also includes GPS module, indoor positioning unit, described indoor positioning unit, when GPS lost efficacy, rectangular coordinate system is set up for initial point in the position recorded before losing efficacy with GPS module, and Z axis is perpendicular to face, ground, X-axis is directed straight ahead, and Y-axis points to front-right；X-direction displacement is calculated by integral formula ∫ 0.5*a (x) * t*t*dt with predetermined integration time interval, Y direction displacement is calculated by integral formula ∫ 0.5*a (y) * t*t*dt, Z-direction displacement is calculated by integral formula ∫ 0.5*a (z) * t*t*dt, repeat cumulative integrated value, obtain user current location, and by current location output to track memory element.
Owing to, in some large-scale interior architectures such as megastore, railway station, airport, having very much GPS location to lose efficacy or inaccurate, thus by this indoor unit, it is possible to navigate to the current location of child accurately.
Above; being only presently preferred embodiments of the present invention, but protection scope of the present invention is not limited thereto, any those familiar with the art is in the technical scope that the invention discloses; the change that can readily occur in or replacement, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain that claim defines.
Claims (10)
1. a preventing child is wandered away system, it is characterised in that include anti-wander away terminal, mobile terminal；
Described anti-terminal of wandering away at least includes 3-axis acceleration sensor unit, danger warning unit, and described danger warning unit includes: time of fire alarming setting module, bluetooth discovery module, alarm output module；
Described time of fire alarming setting module, sets anti-terminal of wandering away and can upload the alert data time period to mobile terminal；
Bluetooth discovery module, draws/walks out reservation shape by single foot or when both feet draw/walk out predetermined pattern acquiring 3-axis acceleration, scan for the mobile terminal matched,
If not searching the mobile terminal matched, then described alarm output module alert.
2. preventing child according to claim 1 is wandered away system, it is characterised in that described predetermined shape includes straight path and/or angle of turn track.
3. preventing child according to claim 1 is wandered away system, it is characterised in that described reservation shape is for be sent to a location point by starting point, then is returned by this location point, the shape being terminal with the location point around this starting point or starting point.
4. preventing child according to claim 1 is wandered away method, it is characterised in that described time of fire alarming setting module, including the first setting module, the second setting module, wherein
First setting module, receiving user is time of fire alarming section the time period set in advance；
Second setting module, the mobile terminal that anti-terminal of wandering away is matched by bluetooth discovery block search at predetermined intervals,
If searching, then set current search moment to next a period of time searching between moment as non-time of fire alarming section；
If not searching, then set current search moment to next a period of time searching between moment as time of fire alarming section.
5. preventing child according to claim 1 is wandered away system, it is characterized in that, described danger warning unit also includes reporting to the police connecting terminal PRI module, when alert data module can send alert data at least two mobile terminal, report to the police and connect terminal PRI module, set alarm output module preferentially to that mobile terminal alert, alert data module sends the warning message of pre-determined number one by one according to the alarm priority order that warning connection priority stores to each mobile terminal, so circulation, until receiving echo message of reporting to the police successively.
6. preventing child according to claim 5 is wandered away system, it is characterized in that, described warning connection priority module, including the first priority level initializing module, described first priority level initializing module, sets the warning connection priority sequence list of each time of fire alarming section for user.
7. preventing child according to claim 6 is wandered away system, it is characterized in that, described anti-system of wandering away also includes GPS module, described warning connection priority module, also include the second priority level initializing module, one of them mobile terminal that can accept warning message obtains self current location, anti-wander away terminal current location, other mobile terminal current locations with predetermined time interval
Alarming mobile terminal can be accepted according to described and prevent that the distance wandering away between terminal from the close-by examples to those far off carries out prioritization, and updating the alarm priority of the second priority level initializing module.
8. a preventing child is wandered away method, it is characterised in that include
Set the time period that alert data can be uploaded；
When getting the figure that 3-axis acceleration sensor was drawn by both feet/walked out reservation shape, scan for the mobile terminal matched,
If searching the mobile terminal matched, then do not process；
If not searching the mobile terminal matched, then described alarm output module by SIM to mobile terminal alert.
9. preventing child according to claim 8 is wandered away method, it is characterised in that described predetermined shape includes straight path, angle of turn track, returns track.
10. preventing child according to claim 9 is wandered away method, it is characterised in that described reservation shape is for be sent to a location point by starting point, then is returned by this location point, the shape being terminal with the location point around this starting point or starting point.
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