CN112927471A - Anti-lost monitoring system - Google Patents

Anti-lost monitoring system Download PDF

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Publication number
CN112927471A
CN112927471A CN202110077472.7A CN202110077472A CN112927471A CN 112927471 A CN112927471 A CN 112927471A CN 202110077472 A CN202110077472 A CN 202110077472A CN 112927471 A CN112927471 A CN 112927471A
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Prior art keywords
guardian
information
terminals
wearable
terminal
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CN202110077472.7A
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Chinese (zh)
Inventor
宋轩
谢洪彬
张浩然
江宇辰
陈纪元
黄文杰
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Southern University of Science and Technology
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Southern University of Science and Technology
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Priority to CN202110077472.7A priority Critical patent/CN112927471A/en
Publication of CN112927471A publication Critical patent/CN112927471A/en
Priority to PCT/CN2021/119341 priority patent/WO2022156252A1/en
Pending legal-status Critical Current

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    • GPHYSICS
    • G08SIGNALLING
    • G08BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B21/00Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
    • G08B21/02Alarms for ensuring the safety of persons
    • G08B21/0202Child monitoring systems using a transmitter-receiver system carried by the parent and the child
    • G08B21/0269System arrangements wherein the object is to detect the exact location of child or item using a navigation satellite system, e.g. GPS
    • GPHYSICS
    • G08SIGNALLING
    • G08BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B21/00Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
    • G08B21/02Alarms for ensuring the safety of persons
    • G08B21/0202Child monitoring systems using a transmitter-receiver system carried by the parent and the child
    • G08B21/0277Communication between units on a local network, e.g. Bluetooth, piconet, zigbee, Wireless Personal Area Networks [WPAN]
    • GPHYSICS
    • G08SIGNALLING
    • G08BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B21/00Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
    • G08B21/02Alarms for ensuring the safety of persons
    • G08B21/04Alarms for ensuring the safety of persons responsive to non-activity, e.g. of elderly persons
    • G08B21/0438Sensor means for detecting
    • G08B21/0446Sensor means for detecting worn on the body to detect changes of posture, e.g. a fall, inclination, acceleration, gait
    • GPHYSICS
    • G08SIGNALLING
    • G08BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B21/00Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
    • G08B21/02Alarms for ensuring the safety of persons
    • G08B21/04Alarms for ensuring the safety of persons responsive to non-activity, e.g. of elderly persons
    • G08B21/0438Sensor means for detecting
    • G08B21/0453Sensor means for detecting worn on the body to detect health condition by physiological monitoring, e.g. electrocardiogram, temperature, breathing

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  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Emergency Management (AREA)
  • Business, Economics & Management (AREA)
  • Child & Adolescent Psychology (AREA)
  • Gerontology & Geriatric Medicine (AREA)
  • Engineering & Computer Science (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Pulmonology (AREA)
  • Physiology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Cardiology (AREA)
  • Biophysics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Emergency Alarm Devices (AREA)
  • Alarm Systems (AREA)

Abstract

The embodiment of the invention discloses a lost-prevention monitoring system, which comprises: the system comprises a plurality of wearable terminals, a plurality of guardian terminals and a background server; the wearable terminal is worn on children and/or the old and is connected with each guardian terminal in a Bluetooth mode; the guardian terminal is simultaneously in Bluetooth connection with each wearable terminal, is used for acquiring Bluetooth connection information with each wearable terminal and uploads the Bluetooth connection information to the background server; and the background server is used for judging whether the Bluetooth connection distance between one or more wearable terminals and all guardian terminals exceeds a preset safety threshold value or not according to the Bluetooth connection information, if so, pushing alarm information to all guardian terminals, wherein the alarm information is used for prompting that children and/or old people are possibly lost. According to the technical scheme of the embodiment of the invention, the short-distance monitoring is realized, and meanwhile, the monitoring range and efficiency can be effectively improved and the loss risk is reduced by a many-to-many Bluetooth short-distance monitoring strategy.

Description

Anti-lost monitoring system
Technical Field
The embodiment of the invention relates to the technical field of health monitoring, in particular to a lost-prevention monitoring system.
Background
With the development of social economy and the acceleration of life rhythm, the collective family outdoor playing and traveling are more and more frequent, and how to prevent children and old people from carelessly losing and losing becomes the focus of attention of many families in places such as tourist attractions, stations, large shopping malls and the like with dense people flow and complex environment. Most wearable equipment such as intelligent bracelet can be through adopting GPS positioning technology to trail children and old man's whereabouts on the market at present, but can't accomplish short distance control and very first time early warning risk. Meanwhile, a small part of intelligent bracelets adopt the Bluetooth technology to realize short-distance monitoring, but only one-to-one monitoring is available, the monitoring range is small, and many-to-many monitoring cannot be realized. When children or old people are lost, the traditional lost-prevention equipment often adopts the GPS technology to calculate and search a path, and the problem of the path planning accuracy for searching people in indoor spaces such as superstores cannot be effectively solved. In the aspect of risk early warning, the conventional anti-lost equipment has the conditions of misinformation and delay, and the condition that children or old people take the anti-lost equipment or lose the anti-lost equipment cannot be well identified, so that potential risks are caused.
Disclosure of Invention
The embodiment of the invention provides an anti-lost monitoring system, which is used for realizing short-distance monitoring, expanding the monitoring range, improving the monitoring efficiency and reducing the risk of losing.
The embodiment of the invention provides a lost-prevention monitoring system, which comprises: the system comprises a plurality of wearable terminals, a plurality of guardian terminals and a background server; the plurality of wearable terminals and the plurality of guardian terminals form a guardian network group formed by Bluetooth connection, and the background server is connected with the plurality of guardian terminals of the guardian network group through a communication network;
the wearable terminal is worn on children and/or the old and is connected with each guardian terminal in a Bluetooth mode;
the guardian terminal is simultaneously in Bluetooth connection with each wearable terminal, is used for acquiring Bluetooth connection information with each wearable terminal and uploads the Bluetooth connection information to the background server; the Bluetooth connection information comprises Bluetooth connection distances between the guardian terminal and each wearable terminal;
and the background server is used for judging whether the Bluetooth connection distance between one or more wearable terminals and all guardian terminals exceeds a preset safety threshold value or not according to the Bluetooth connection information, if so, pushing alarm information to all guardian terminals, wherein the alarm information is used for prompting that children and/or old people are possibly lost.
Optionally, the guardian terminal is further configured to receive the preset safety threshold set by the user.
Optionally, the background server is further configured to calculate, after the alarm information is pushed to all the guardian terminals, respective first shortest path information of all the guardians and the lost children and/or the elderly according to the real-time GPS data of each guardian terminal and the wearable terminals of the lost children and/or the elderly, and push the respective corresponding first shortest path information to all the guardian terminals.
Optionally, the wearable terminal further includes a direction sensor and a height sensor; wherein: the direction sensor is used for acquiring direction information between each guardian terminal and the direction sensor and uploading the direction information to the background server; and the height sensor is used for acquiring the current floor position information of the wearable terminal and uploading the information to the background server.
Optionally, the background server is further configured to calculate respective second shortest path information of all guardians and the lost child and/or the lost old according to the direction information, the current floor position information, and the real-time GPS data, and push the respective corresponding second shortest path information to all guardians terminals.
Optionally, the guardian terminal is further configured to check the position information of the wearable terminal and corresponding shortest path information in real time.
Optionally, the wearable terminal further includes a calling module, which is used for realizing a call with each guardian terminal.
Optionally, the wearable terminal further includes a temperature sensor, which is used for acquiring current temperature information in real time and uploading the current temperature information to the background server;
the background server is further used for judging whether the current temperature information is lower than a preset temperature threshold value and continuously exceeds a preset time threshold value, and if yes, prompting that the child and/or the old possibly take off the wearable terminal to all guardian terminals.
Optionally, the wearable terminal further includes an acceleration sensor, which is used for acquiring current motion information in real time and uploading the current motion information to the background server;
the background server is further used for not prompting all guardian terminals if the wearable terminal is in a motion state when the current temperature information is lower than a preset temperature threshold and continuously exceeds a preset time threshold.
Optionally, the number of the wearable terminals and the number of the guardian terminals are both 3.
According to the technical scheme of the embodiment of the invention, the short-distance monitoring is realized, and meanwhile, the monitoring range and efficiency can be effectively improved and the loss risk is reduced by a many-to-many Bluetooth short-distance monitoring strategy.
Drawings
FIG. 1 is a schematic diagram of an anti-lost monitoring system according to an embodiment of the present invention;
fig. 2 is a block diagram of a wearable terminal in an embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
Before discussing exemplary embodiments in more detail, it should be noted that some exemplary embodiments are described as processes or methods depicted as flowcharts. Although a flowchart may describe the steps as a sequential process, many of the steps can be performed in parallel, concurrently or simultaneously. In addition, the order of the steps may be rearranged. The process may be terminated when its operations are completed, but may have additional steps not included in the figure. The processes may correspond to methods, functions, procedures, subroutines, and the like.
Furthermore, the terms "first," "second," and the like may be used herein to describe various orientations, actions, steps, elements, or the like, but the orientations, actions, steps, or elements are not limited by these terms. These terms are only used to distinguish one direction, action, step or element from another direction, action, step or element. For example, the first shortest path information may be referred to as second shortest path information, and similarly, the second shortest path information may be referred to as first shortest path information, without departing from the scope of the present application. Both the first shortest path information and the second shortest path information are shortest path information, but they are not the same shortest path information. The terms "first", "second", etc. are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
Fig. 1 is a schematic system diagram of an anti-lost monitoring system according to an embodiment of the present invention, which is applicable to prevent children and/or elderly people from being lost. Referring to fig. 1, the anti-lost monitoring system according to the embodiment of the present invention specifically includes: a plurality of wearable terminals 11, 12 … … 1M (M is a positive integer, M ≧ 1, e.g., 1M can be 19, 110, 111, etc.), a plurality of guardian terminals 21, 22 … … 2N (N is a positive integer, N ≧ 1, e.g., 2N can be 29, 210, 211, etc.), and a backend server 3; the plurality of wearable terminals 11, 12 … … 1M and the plurality of guardian terminals 21, 22 … … 2N form a guardian network group formed by bluetooth connection, and the background server 3 is connected with the plurality of guardian terminals 21, 22 … … 2N of the guardian network group through a communication network. Wherein:
the wearable terminals 11, 12 … … 1M are worn by children and/or elderly people, and are connected to the respective guardian terminals 21, 22 … … 2N via bluetooth.
Specifically, when a family collectively goes out to carry one or more children and/or old people, each child and/or old people wears a wearable terminal 1i (i is greater than or equal to 1 and less than or equal to M, i is a positive integer), each wearable terminal 1i includes a bluetooth module for simultaneously making bluetooth connection with each guardian terminal 21, 22 … … 2N, for example, as shown in fig. 2, the wearable terminal 11 may include: processor 111, bluetooth module 112, GPS module 113, direction sensor 114, altitude sensor 115, call module 116, temperature sensor 117, acceleration sensor 118, power module 119. The bluetooth module 112 is configured to perform bluetooth connection with each guardian terminal 21, 22 … … 2N simultaneously, for example, there are 3 guardian terminals in the system, and the bluetooth module 112 performs bluetooth connection with the 3 guardian terminals simultaneously to form a monitoring network group together with other wearable terminals.
The guardian terminals 21 and 22 … … 2N are simultaneously in bluetooth connection with the wearable terminals 11 and 12 … … 1M, and are used for acquiring bluetooth connection information between the guardian terminals and the wearable terminals 11 and 12 … … 1M and uploading the bluetooth connection information to the background server 3; wherein the bluetooth connection information includes bluetooth connection distances between the guardian terminal 21, 22 … … 2N and the respective wearable terminals 11, 12 … … 1M.
Specifically, the guardian terminals 21 and 22 … … 2N may be electronic devices such as a smartphone and a tablet computer of the guardian, an application APP corresponding to the system is installed on the electronic device, each guardian terminal 2j (j is equal to or greater than 1 and equal to or less than N, j is a positive integer) is also provided with a bluetooth module, and is simultaneously in bluetooth connection with each wearable terminal 11 and 12 … … 1M, for example, there are 3 wearable terminals in the system, and the bluetooth module is simultaneously in bluetooth connection with the 3 wearable terminals to form a monitoring network group together with other guardian terminals.
When the monitoring terminal is going out to play, a plurality of guardians simultaneously carry a plurality of children and/or old people, after the plurality of wearable terminals 11, 12 … … 1M and the plurality of guardian terminals 21, 22 … … 2N form a monitoring network group formed by bluetooth connection, the guardian terminals 21, 22 … … 2N are further used for acquiring bluetooth connection information between the plurality of wearable terminals 11, 12 … … 1M and uploading the bluetooth connection information to the background server 3; the Bluetooth connection information comprises Bluetooth connection distances between the guardian terminal and each wearable terminal. For example, there are 3 wearable terminals 11, 12, 13 and 3 guardian terminals 21, 22, 23 in the system, and the guardian terminal 21 can respectively acquire the bluetooth connection distances, such as 1 meter, 2 meters, between the wearable terminals 11, 12, 13 and upload the bluetooth connection distances to the background server 3; the guardian terminal 22 respectively obtains the bluetooth connection distances, such as 1 meter, 1 meter and 1 meter, between the guardian terminal and the wearable terminals 11, 12 and 13, and uploads the bluetooth connection distances to the background server 3; the guardian terminal 23 obtains the bluetooth connection distances, such as 1 meter, 2 meters, and 1 meter, from the wearable terminals 11, 12, and 13, respectively, and uploads the distances to the background server 3.
The background server 3 is configured to determine whether the bluetooth connection distance between one or more wearable terminals 11, 12 … … 1M and all guardian terminals 21, 22 … … 2N exceeds a preset safety threshold according to the bluetooth connection information, if so, push alarm information to all guardian terminals 21, 22 … … 2N, where the alarm information is used to prompt that a child and/or an old person may be lost.
Specifically, the background server 3 obtains the bluetooth connection distances between all wearable terminals 11, 12 … … 1M and all guardian terminals 21, 22 … … 2N, and then stores the bluetooth connection distances in real time, and simultaneously determines whether the bluetooth connection distances between one or more wearable terminals 1i and all guardian terminals 21, 22 … … 2N exceed a preset safety threshold, if yes, it indicates that children and/or old people corresponding to the wearable terminal 1i have lost, and then pushes alarm information to all guardian terminals 21, 22 … … 2N to prompt that children and/or old people may lose, so that short-distance monitoring is achieved, and discovery of the risk of losing a person under guardianship is achieved at the first time.
As an optional embodiment, the guardian terminal is further configured to receive the preset safety threshold set by the user. For example, the user may set the preset safety threshold to be 20 meters in the APP of the guardian terminal, and when the bluetooth connection distance between one of the wearable terminals and all guardian terminals exceeds 20 meters, it indicates that the child and/or the old person corresponding to the wearable terminal may be lost, and then pushes alarm information to all guardian terminals to prompt that the child and/or the old person may be lost.
According to the technical scheme of the embodiment of the invention, the short-distance monitoring is realized, and meanwhile, the monitoring range and efficiency can be effectively improved and the loss risk is reduced by a many-to-many Bluetooth short-distance monitoring strategy.
On the basis of implementing a many-to-many bluetooth short-distance monitoring strategy in the above embodiment, the embodiment can also implement a person-seeking optimal path strategy. Specifically, the background server 3 is further configured to calculate, after pushing the alarm information to all the guardian terminals 21 and 22 … … 2N, respective first shortest path information of all the guardians and the lost children and/or the elderly according to the real-time GPS data of each guardian terminal 21 and 22 … … 2N and the wearable terminal 1i of the lost children and/or the elderly, and push the respective corresponding first shortest path information to all the guardian terminals 21 and 22 … … 2N.
Specifically, once the real-time distance between a child and/or an old person and all the guardians exceeds a preset safety threshold, for example, 20 meters, the background server 3 can push alarm information to all the guardians at the first time. As shown in fig. 2, the wearable terminal further includes a calling module 116 for enabling a call with each guardian terminal, at this time, the guardian can utilize the APP of the guardian terminal to enable a call with the child and/or the elderly by connecting the calling module of the wearable terminal, can be called that children and/or old people stand in place preferentially and wait for the guardian to search in the past, meanwhile, the system can calculate respective first shortest path information of all guardians and the children and/or the old according to the GPS position information uploaded by the wearable terminals on the children and/or the old and the guardian terminals of all guardians in real time, and the corresponding first shortest path information is pushed to all guardian terminals, and the guardian can look up the position information of the wearable terminal of the child and/or the old and the corresponding shortest path information in real time on an application program APP of the guardian terminal to search.
As an optional embodiment, the wearable terminal further comprises a direction sensor and a height sensor; wherein: the direction sensor is used for acquiring direction information between each guardian terminal and the direction sensor and uploading the direction information to the background server; and the height sensor is used for acquiring the current floor position information of the wearable terminal and uploading the information to the background server. The background server is further configured to calculate respective second shortest path information of all guardians and the lost children and/or the lost old according to the direction information, the current floor position information, and the real-time GPS data, and push the respective corresponding second shortest path information to all guardian terminals.
Specifically, for example, as shown in fig. 2, one of the wearable terminals 11 includes a direction sensor 114 and a height sensor 115; the direction sensor 114 is used for acquiring direction information between each guardian terminal 21 and 22 … … 2N and uploading the direction information to the background server 3; and the height sensor 115 is used for acquiring the current floor position information of the wearable terminal 11, 12 … … 1M and uploading the information to the background server 3. For indoor places such as superstores, aiming at the problem that the relative spatial positions of the two parties cannot be effectively identified by the GPS positioning technology, the indoor monitoring mode can be set to be started in the embodiment, the relative direction and the height information of the two parties are collected by adding the direction sensor and the height sensor in the wearable terminal, and simultaneously the GPS position information is combined, the background server 3 gives an optimal searching path based on the plane position according to the GPS position information, and simultaneously gives searching guidance based on the spatial position according to the relative direction and the height information of the two parties, so that the efficiency and the accuracy for searching the person under guardianship are improved.
According to the technical scheme of the embodiment of the invention, the direction and the floor position of the lost person under guardianship relative to the guardian can be effectively deduced by adding the direction sensor and the height sensor on the wearable terminal, so that the defect that the GPS technology cannot accurately position in the indoor space is overcome.
On the basis of realizing a many-to-many Bluetooth short-distance monitoring strategy and a person-finding optimal path strategy, the embodiment can also realize a risk-reduction false alarm strategy. Specifically, the wearable terminal further comprises a temperature sensor, and the temperature sensor is used for acquiring current temperature information in real time and uploading the current temperature information to the background server; the background server is further used for judging whether the current temperature information is lower than a preset temperature threshold value and continuously exceeds a preset time threshold value, and if yes, prompting that the child and/or the old possibly take off the wearable terminal to all guardian terminals. The wearable terminal also comprises an acceleration sensor, and the acceleration sensor is used for acquiring current motion information in real time and uploading the current motion information to the background server; the background server is further used for not prompting all guardian terminals if the wearable terminal is in a motion state when the current temperature information is lower than a preset temperature threshold and continuously exceeds a preset time threshold.
Specifically, for example, as shown in fig. 2, one of the wearable terminals 11 includes a temperature sensor 117 and an acceleration sensor 118; the temperature sensor 117 is used for collecting current temperature information in real time and uploading the current temperature information to the background server 3; and the acceleration sensor 118 is used for acquiring the current motion information in real time and uploading the current motion information to the background server 3. Aiming at the problems of risk misinformation and low early warning accuracy of equipment loss prevention, the embodiment provides a strategy for reducing the risk misinformation, the temperature sensor and the acceleration sensor are additionally arranged on the wearable terminal to collect human body temperature and motion state data and upload the data to the background server, the background server can monitor the collected human body temperature in real time to judge whether the person under guardianship has the risk of taking off or losing the wearable terminal, only when the duration time of not collecting the human body temperature exceeds a certain time threshold value, the person under guardianship is judged to have taken off the wearable equipment, all guardians are informed, and the risk misinformation caused by the fact that the person under guardianship takes off the wearable terminal occasionally in a short time can be effectively reduced. Under the condition that temperature information is not collected, the background system can also calculate the acceleration information of the wearable terminal in real time, when the monitored person is judged to meet a certain moving state and be in an effective monitoring range, risk early warning cannot be carried out by the system, the situation of false alarm caused by the fact that the monitored person puts the wearable terminal in a bag or a pocket can be effectively avoided, and therefore the accuracy of the risk early warning is effectively improved.
According to the technical scheme of the embodiment of the invention, whether the wearable terminal normally works on the person under guardianship can be effectively identified, the risk false alarm rate is reduced, and the risk early warning accuracy is improved.
According to the technical scheme of the embodiment of the invention, the wearable terminals on children and old people are interconnected with the guardian by adopting the joint sealing technology based on the low-power-consumption Bluetooth connection, so that the short-distance and many-to-many monitoring effect is achieved, the monitoring range is effectively expanded, and the risk can be early warned at the first time. Meanwhile, the direction and the floor position of the lost person under guardianship can be effectively deduced by adding the direction sensor and the height sensor on the wearable terminal, so that the defect that the GPS technology cannot accurately position in the indoor space is overcome. Furthermore, by adding the temperature sensor and the acceleration sensor to the wearable terminal, whether the wearable terminal normally works on the person under guardianship or not can be effectively identified, the risk false alarm rate is reduced, and the accuracy of risk early warning is improved.
It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.

Claims (10)

1. An anti-lost monitoring system, comprising: the system comprises a plurality of wearable terminals, a plurality of guardian terminals and a background server; the plurality of wearable terminals and the plurality of guardian terminals form a guardian network group formed by Bluetooth connection, and the background server is connected with the plurality of guardian terminals of the guardian network group through a communication network;
the wearable terminal is worn on children and/or the old and is connected with each guardian terminal in a Bluetooth mode;
the guardian terminal is simultaneously in Bluetooth connection with each wearable terminal, is used for acquiring Bluetooth connection information with each wearable terminal and uploads the Bluetooth connection information to the background server; the Bluetooth connection information comprises Bluetooth connection distances between the guardian terminal and each wearable terminal;
and the background server is used for judging whether the Bluetooth connection distance between one or more wearable terminals and all guardian terminals exceeds a preset safety threshold value or not according to the Bluetooth connection information, if so, pushing alarm information to all guardian terminals, wherein the alarm information is used for prompting that children and/or old people are possibly lost.
2. The system according to claim 1, wherein the guardian terminal is further configured to receive a user setting the preset safety threshold.
3. The system according to claim 1, wherein the backend server is further configured to calculate respective first shortest path information of all guardians and the lost children and/or the elderly according to real-time GPS data of each guardian terminal and the wearable terminals of the lost children and/or the elderly after pushing the alarm information to all guardian terminals, and push the respective corresponding first shortest path information to all guardian terminals.
4. The system according to claim 3, wherein the wearable terminal further comprises an orientation sensor and a height sensor; wherein: the direction sensor is used for acquiring direction information between each guardian terminal and the direction sensor and uploading the direction information to the background server; and the height sensor is used for acquiring the current floor position information of the wearable terminal and uploading the information to the background server.
5. The system according to claim 4, wherein the backend server is further configured to calculate respective second shortest path information of all guardians and the lost children and/or the lost elderly according to the direction information, the current floor position information, and the real-time GPS data, and push the respective corresponding second shortest path information to all guardian terminals.
6. The system according to claim 5, wherein the guardian terminal is further configured to view the position information of the wearable terminal and the corresponding shortest path information in real time.
7. The system according to claim 3, wherein the wearable terminal further comprises a calling module for communicating with each of the guardian terminals.
8. The system for monitoring the loss of the body as claimed in claim 1, wherein the wearable terminal further comprises a temperature sensor for collecting the current temperature information in real time and uploading the current temperature information to the background server;
the background server is further used for judging whether the current temperature information is lower than a preset temperature threshold value and continuously exceeds a preset time threshold value, and if yes, prompting that the child and/or the old possibly take off the wearable terminal to all guardian terminals.
9. The system for monitoring the loss of body according to claim 8, wherein the wearable terminal further comprises an acceleration sensor for acquiring current motion information in real time and uploading the current motion information to a background server;
the background server is further used for not prompting all guardian terminals if the wearable terminal is in a motion state when the current temperature information is lower than a preset temperature threshold and continuously exceeds a preset time threshold.
10. The system of claim 1, wherein the number of wearable terminals and guardian terminals is 3.
CN202110077472.7A 2021-01-20 2021-01-20 Anti-lost monitoring system Pending CN112927471A (en)

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CN202110077472.7A CN112927471A (en) 2021-01-20 2021-01-20 Anti-lost monitoring system
PCT/CN2021/119341 WO2022156252A1 (en) 2021-01-20 2021-09-18 Anti-lost monitoring system

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Cited By (5)

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WO2022156252A1 (en) * 2021-01-20 2022-07-28 南方科技大学 Anti-lost monitoring system
CN115052250A (en) * 2022-05-31 2022-09-13 广东职业技术学院 Method, system and equipment for preventing old people from getting lost when going out and computer storage medium
CN115294724A (en) * 2022-06-28 2022-11-04 歌尔科技有限公司 Child anti-lost monitoring and warning method, device, equipment and readable storage medium
WO2023109780A1 (en) * 2021-12-15 2023-06-22 华为技术有限公司 Device monitoring method and electronic device
CN118230499A (en) * 2024-05-22 2024-06-21 南通英可达信息技术有限公司 Intelligent pension flat-plate system based on Internet of things

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