CN110891242A - Outdoor trapped person search and rescue system based on Beidou and Zigbee - Google Patents
Outdoor trapped person search and rescue system based on Beidou and Zigbee Download PDFInfo
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- H04W4/02—Services making use of location information
- H04W4/029—Location-based management or tracking services
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- G—PHYSICS
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- 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
- G08B21/0205—Specific application combined with child monitoring using a transmitter-receiver system
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- 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
- G08B21/0269—System arrangements wherein the object is to detect the exact location of child or item using a navigation satellite system, e.g. GPS
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- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
- G08B25/01—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium
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- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
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Abstract
The invention provides an outdoor trapped person search and rescue system based on Beidou and Zigbee, which comprises a monitoring device carried by a user; the monitoring device comprises a main control module, an attitude sensor, a positioning module and a communication module which can be connected with a remote search and rescue mechanism in a wireless mode; the main control module acquires attitude change data and a current geographic position of the monitoring device, deduces a current state value of a user from the attitude change data, and when the main control module confirms that the user is in a state needing rescue, the main control module enters a distress mode and sends a distress signal to a rescue mechanism through the communication module, wherein the distress signal comprises current longitude and latitude coordinates of the user; the invention can actively monitor the state of outdoor sports personnel and actively send out a distress signal when judging that the personnel is in a state needing rescue, thereby ensuring that rescue work has more abundant rescue time.
Description
Technical Field
The invention relates to the technical field of rescue, in particular to an outdoor trapped person search and rescue system based on Beidou and Zigbee.
Background
Outdoor crossing motion is dangerous motion, when motion personnel meet danger, because the coordinate is many in the field, it is very important how to obtain more abundant rescue time, and the distress device of the past mostly needs the user to initiate voluntarily, when the user loses the mobility ability, just can't initiate the distress, has wasted valuable distress time.
Disclosure of Invention
The invention provides an outdoor trapped person search and rescue system based on Beidou and Zigbee, which can actively monitor the state of outdoor sporters and actively send out a distress signal when judging that the persons are in a state needing rescue, so that rescue work has more abundant rescue time.
The invention adopts the following technical scheme.
The outdoor trapped person search and rescue system based on the Beidou and the Zigbee comprises a monitoring device which can be carried by a user; the monitoring device comprises a main control module, an attitude sensor, a positioning module and a communication module which can be connected with a remote search and rescue mechanism in a wireless mode; the main control module acquires gesture change data and a current geographic position of the monitoring device, deduces a current state value of a user from the gesture change data, and when the main control module confirms that the user is in a state needing rescue, the main control module enters a distress mode and sends a distress signal to a rescue mechanism through the communication module, wherein the distress signal comprises current longitude and latitude coordinates of the user.
The attitude sensor comprises a three-axis gyroscope and a three-axis accelerometer; the positioning module is a Beidou navigation positioning module or a GNSS module; the communication module comprises a GPRS module and a Zigbee module; when the main control module enters a distress mode, the main control module sends a distress signal to the search and rescue mechanism through the GPRS module, and broadcasts the distress signal to the adjacent area through the Zigbee module according to a preset frequency.
The monitoring device also comprises an audible alarm; when the main control module broadcasts a distress signal to the outside, if the adjacent equipment responds in a Zigbee communication mode, the main control module starts the sound alarm to identify the direction of the user to the rescue workers.
The monitoring device is connected to the search and rescue mechanism through the GPRS module after being started, and automatically uploads longitude and latitude coordinates of a user to the search and rescue mechanism according to a preset frequency.
The master control module is internally stored with a user state safety value; and when the current state value of the user inferred by the main control module exceeds the user state safety value, the main control module judges that the user is in a state needing rescue.
The monitoring device also comprises a sound module connected with the main control module; when the main control module considers that the user is in a state needing rescue; the main control module sends a voice prompt to a user through the sound module and requires the user to confirm a judgment result of the main control module;
if the user responds to the main control module in a double-click main control module key mode within the preset time, the main control module judges that the user is not in a rescue-needing state and does not enter a help-seeking mode;
if the user does not respond to the main control module within the preset time, the main control module confirms that the user is in a state needing rescue, and the main control module enters a help seeking mode.
The monitoring device is also provided with a help-seeking key, and when the help-seeking key is triggered in a double-click mode, the main control module enters a help-seeking mode.
The monitoring device is characterized in that a main body of the monitoring device is arranged in a backpack of a user, a rechargeable battery in the backpack is used as a power supply, and an antenna is arranged at the top of the backpack and connected with a positioning module; the top of the backpack is also provided with a sound alarm; the shoulder straps of the backpack are provided with keys; the outer wall of the backpack is also provided with a solar cell panel for charging the rechargeable battery.
The monitoring device is fixed at the backpack of the user according to a set posture, and the search and rescue system further comprises a remote server of a search and rescue center; the work flow of the search and rescue system comprises the following steps;
step A1, after the monitoring device is started, a built-in Beidou navigation positioning module is used for acquiring current longitude and latitude coordinates, TCP connection is established with a remote server through a GPRS module, login information is sent, and after a response of the remote server is received, coordinate return operation is started;
a2, uploading current longitude and latitude coordinates to a remote server through a GPRS module by a monitoring device according to a preset frequency, wherein the preset frequency is not lower than 10 seconds/time; the remote server stores the received user coordinates into a database;
a3, acquiring posture change data of the backpack by a main control module through a posture sensor, deducing a current state value of a user from the posture change data of the backpack, entering a distress mode when the main control module confirms that the user is in a state needing rescue, uploading the current state value of the user, longitude and latitude coordinates of the user and distress signals to a remote server through a GPRS module, and broadcasting the distress signals to an adjacent area through a Zigbee module according to set frequency;
step A4, when the remote server receives the distress signal sent by the main control module, integrating the longitude and latitude coordinates of the user sent by the main control module and the coordinates of the user stored in the database into a user action track, and informing rescuers of the search and rescue center;
step A5, determining the position of a user by a rescuer through the action track of the user, and carrying rescue equipment with a monitoring device to rescue;
a6, detecting the rescue actions and the action postures of the rescuers by a remote server through a monitoring device carried by the rescuers so as to prevent the rescuers from generating dangers;
step A7, in the rescue operation, when the rescue worker moves to the area adjacent to the user, the monitoring device carried by the rescue worker receives the distress signal broadcast sent by the monitoring device carried by the user through the Zigbee module and sends a response signal, and after receiving the response signal, the monitoring device carried by the user starts the audible alarm to identify the user direction to the rescue worker.
The remote server is a server arranged at a search and rescue center, the remote server communicates with a monitoring device of a user through search and rescue service software and manages search and rescue information, a rear-end frame adopted by the search and rescue service software is a lightweight frame springmvc + mybatis, and an interactive interface of the search and rescue service software is a front-end page compiled by jsp;
the search and rescue service software is also in butt joint with the social network platform; the social network platform comprises an APP (application) for mutual positioning for outdoor sports personnel.
The invention mainly applies the Beidou satellite positioning technology, the Zigbee wireless transmission technology, the attitude sensing technology, the auxiliary positioning system and the construction of a database, and information collection and feedback are carried out through the Beidou satellite positioning technology and the attitude sensing technology; the database is constructed to provide path parameters for the rescue scheme, different positioning schemes are integrated, on one hand, the user state can be monitored in real time, and automatic alarm of abnormal conditions is realized; on the other hand, the system can provide related data for a search and rescue center, assist rescue workers to find wounded persons, improve search and rescue efficiency and the like.
The invention can broadcast the distress signal in a power-saving short-distance communication mode such as zigbee, thereby providing good rescue guidance for rescue workers, and the broadcast of the distress signal can be maintained for a long time due to the extremely low energy consumption of zigbee.
The invention has the advantages that:
1. compared with the traditional autonomous help-seeking method, the device utilizes the attitude sensor to continuously monitor the state of the user, realizes timely automatic alarm when the user loses consciousness, and provides a safety guarantee for outdoor personnel.
2. The historical track information of the user activities is stored in the server, and when the user needs to rescue, reference is provided for the travelling path of rescuers, and the personnel searching efficiency is improved.
3. By utilizing Zigbee communication, the method combines two positioning methods of longitude and latitude coordinate positioning and sound source positioning to realize the quick and reliable positioning of the cooperative target.
4. The platform system can be used for outdoor exploration organization activities, is combined with traditional exploration equipment, can realize an intelligent help seeking function, and provides safety guarantee for outdoor exploration personnel.
5. The comprehensive positioning scheme of the system can provide reference for searching and rescuing of post-disaster personnel, an accident first-aid system can be established in the disaster-prone area, and the efficiency of post-disaster personnel rescue is improved.
6. The platform can be combined with the work of firemen, the personal safety of the firemen can be monitored in real time in the fire scene rescue, and unnecessary sacrifice is reduced.
7. The platform may combine Location Based Services (LBS) with Social Networking Services (SNS), such as designing an App based on the platform. Provides mutual positioning service for donkey friends, can know the mutual distance and direction and provides convenience for communication. The professional exploration company can realize real-time monitoring and intelligent management of exploration personnel.
Drawings
The invention is described in further detail below with reference to the following figures and detailed description:
FIG. 1 is an integrated schematic diagram of a monitoring device of the present invention at a backpack;
FIG. 2 is a functional schematic of the present invention;
FIG. 3 is a schematic flow diagram of the present invention;
FIG. 4 is a schematic diagram of the monitoring device of the present invention;
FIG. 5 is a schematic flow chart of the coordinate return operation of the present invention;
FIG. 6 is a schematic diagram of a workflow of the present invention when a user is required to confirm a determination result of a main control module;
FIG. 7 is a schematic view of the flow of the present invention when seeking help with a help button;
fig. 8 is a schematic flow chart illustrating the process of broadcasting the distress signal and guiding rescue by using the Zigbee module according to the present invention;
FIG. 9 is a schematic system flow diagram of a remote server of the search and rescue mechanism according to the present invention;
in the figure: 1-control key area of main control module; 2-the area where the antenna and the audible alarm are located; 3-area of solar panel.
Detailed Description
As shown in fig. 1-9, the Beidou and Zigbee-based outdoor trapped person search and rescue system comprises a monitoring device which can be carried by a user; the monitoring device comprises a main control module, an attitude sensor, a positioning module and a communication module which can be connected with a remote search and rescue mechanism in a wireless mode; the main control module acquires gesture change data and a current geographic position of the monitoring device, deduces a current state value of a user from the gesture change data, and when the main control module confirms that the user is in a state needing rescue, the main control module enters a distress mode and sends a distress signal to a rescue mechanism through the communication module, wherein the distress signal comprises current longitude and latitude coordinates of the user.
The attitude sensor comprises a three-axis gyroscope and a three-axis accelerometer; the positioning module is a Beidou navigation positioning module or a GNSS module; the communication module comprises a GPRS module and a Zigbee module; when the main control module enters a distress mode, the main control module sends a distress signal to the search and rescue mechanism through the GPRS module, and broadcasts the distress signal to the adjacent area through the Zigbee module according to a preset frequency.
The monitoring device also comprises an audible alarm; when the main control module broadcasts a distress signal to the outside, if the adjacent equipment responds in a Zigbee communication mode, the main control module starts the sound alarm to identify the direction of the user to the rescue workers.
The monitoring device is connected to the search and rescue mechanism through the GPRS module after being started, and automatically uploads longitude and latitude coordinates of a user to the search and rescue mechanism according to a preset frequency.
The master control module is internally stored with a user state safety value; and when the current state value of the user inferred by the main control module exceeds the user state safety value, the main control module judges that the user is in a state needing rescue.
The monitoring device also comprises a sound module connected with the main control module; when the main control module considers that the user is in a state needing rescue; the main control module sends a voice prompt to a user through the sound module and requires the user to confirm a judgment result of the main control module;
if the user responds to the main control module in a double-click main control module key mode within the preset time, the main control module judges that the user is not in a rescue-needing state and does not enter a help-seeking mode;
if the user does not respond to the main control module within the preset time, the main control module confirms that the user is in a state needing rescue, and the main control module enters a help seeking mode.
The monitoring device is also provided with a help-seeking key, and when the help-seeking key is triggered in a double-click mode, the main control module enters a help-seeking mode.
The monitoring device is characterized in that a main body of the monitoring device is arranged in a backpack of a user, a rechargeable battery in the backpack is used as a power supply, and an antenna is arranged at the top of the backpack and connected with a positioning module; the top of the backpack is also provided with a sound alarm; the shoulder straps of the backpack are provided with keys; the outer wall of the backpack is also provided with a solar cell panel for charging the rechargeable battery.
The monitoring device is fixed at the backpack of the user according to a set posture, and the search and rescue system further comprises a remote server of a search and rescue center; the work flow of the search and rescue system comprises the following steps;
step A1, after the monitoring device is started, a built-in Beidou navigation positioning module is used for acquiring current longitude and latitude coordinates, TCP connection is established with a remote server through a GPRS module, login information is sent, and after a response of the remote server is received, coordinate return operation is started;
a2, uploading current longitude and latitude coordinates to a remote server through a GPRS module by a monitoring device according to a preset frequency, wherein the preset frequency is not lower than 10 seconds/time; the remote server stores the received user coordinates into a database;
a3, acquiring posture change data of the backpack by a main control module through a posture sensor, deducing a current state value of a user from the posture change data of the backpack, entering a distress mode when the main control module confirms that the user is in a state needing rescue, uploading the current state value of the user, longitude and latitude coordinates of the user and distress signals to a remote server through a GPRS module, and broadcasting the distress signals to an adjacent area through a Zigbee module according to set frequency;
step A4, when the remote server receives the distress signal sent by the main control module, integrating the longitude and latitude coordinates of the user sent by the main control module and the coordinates of the user stored in the database into a user action track, and informing rescuers of the search and rescue center;
step A5, determining the position of a user by a rescuer through the action track of the user, and carrying rescue equipment with a monitoring device to rescue;
a6, detecting the rescue actions and the action postures of the rescuers by a remote server through a monitoring device carried by the rescuers so as to prevent the rescuers from generating dangers;
step A7, in the rescue operation, when the rescue worker moves to the area adjacent to the user, the monitoring device carried by the rescue worker receives the distress signal broadcast sent by the monitoring device carried by the user through the Zigbee module and sends a response signal, and after receiving the response signal, the monitoring device carried by the user starts the audible alarm to identify the user direction to the rescue worker.
The remote server is a server arranged at a search and rescue center, the remote server communicates with a monitoring device of a user through search and rescue service software and manages search and rescue information, a rear-end frame adopted by the search and rescue service software is a lightweight frame springmvc + mybatis, and an interactive interface of the search and rescue service software is a front-end page compiled by jsp;
the search and rescue service software is also in butt joint with the social network platform; the social network platform comprises an APP (application) for mutual positioning for outdoor sports personnel.
Example (b):
when outdoor sports personnel carry out wilderness crossing exploration, the backpack integrated with the monitoring device is carried, when a user explores, the user sets the work and rest time of the exploration at the main control module, the monitoring device sends the longitude and latitude coordinates of the user to a search and rescue center every 10 seconds (the time interval is adjustable), when the user is in a coma due to falling down or beast assault in the field, the monitoring device detects that the posture of the backpack is not changed for a long time within the action time preset by the user, the monitoring device evaluates that the user is possibly in a dangerous state, a voice prompt is sent to the user through a sound module, the user is required to confirm whether the backpack is in a state needing rescue, if the user does not double-hit a key of the main control module at the shoulder strap within 10 minutes, the main control module enters a distress mode, a distress signal is sent to a search and rescue signal broadcasting is initiated through a zigbee module.
When the search and rescue mechanism receives a distress signal, search and rescue personnel are arranged to go to rescue, the search and rescue personnel also carry the backpack integrated with the monitoring device, and in the search and rescue process, the search and rescue mechanism monitors the actions of the search and rescue personnel through the monitoring device carried by the search and rescue personnel so as to prevent the search and rescue personnel from being in danger.
When the search and rescue personnel move to the position near the distress position of the outdoor sports personnel, the monitoring device carried by the search and rescue personnel receives distress signal broadcast sent by the monitoring device carried by the user through the Zigbee module and sends a response signal.
In this example, the control keys of the monitoring device are arranged at the control key area 1 of the main control module at the shoulder straps of the backpack, the positioning module antenna, the communication module antenna and the sound alarm of the monitoring device are all arranged at the area 2 where the antenna and the sound alarm are arranged at the top of the backpack, and the solar cell panel of the monitoring device is arranged at the area 3 where the solar cell panel is arranged at the front side of the backpack.
Claims (10)
1. Outdoor trapped person search and rescue system based on big dipper and Zigbee, its characterized in that: the search and rescue system comprises a monitoring device which can be carried by a user; the monitoring device comprises a main control module, an attitude sensor, a positioning module and a communication module which can be connected with a remote search and rescue mechanism in a wireless mode; the main control module acquires gesture change data and a current geographic position of the monitoring device, deduces a current state value of a user from the gesture change data, and when the main control module confirms that the user is in a state needing rescue, the main control module enters a distress mode and sends a distress signal to a rescue mechanism through the communication module, wherein the distress signal comprises current longitude and latitude coordinates of the user.
2. The outdoor trapped person search and rescue system based on the Beidou and Zigbee according to claim 1, which is characterized in that: the attitude sensor comprises a three-axis gyroscope and a three-axis accelerometer; the positioning module is a Beidou navigation positioning module or a GNSS module; the communication module comprises a GPRS module and a Zigbee module; when the main control module enters a distress mode, the main control module sends a distress signal to the search and rescue mechanism through the GPRS module, and broadcasts the distress signal to the adjacent area through the Zigbee module according to a preset frequency.
3. The outdoor trapped person search and rescue system based on the Beidou and Zigbee according to claim 2, characterized in that: the monitoring device also comprises an audible alarm; when the main control module broadcasts a distress signal to the outside, if the adjacent equipment responds in a Zigbee communication mode, the main control module starts the sound alarm to identify the direction of the user to the rescue workers.
4. The outdoor trapped person search and rescue system based on the Beidou and Zigbee according to claim 2, characterized in that: the monitoring device is connected to the search and rescue mechanism through the GPRS module after being started, and automatically uploads longitude and latitude coordinates of a user to the search and rescue mechanism according to a preset frequency.
5. The outdoor trapped person search and rescue system based on the Beidou and Zigbee according to claim 1, which is characterized in that: the master control module is internally stored with a user state safety value; and when the current state value of the user inferred by the main control module exceeds the user state safety value, the main control module judges that the user is in a state needing rescue.
6. The outdoor trapped person search and rescue system based on the Beidou and Zigbee according to claim 5, characterized in that: the monitoring device also comprises a sound module connected with the main control module; when the main control module considers that the user is in a state needing rescue; the main control module sends a voice prompt to a user through the sound module and requires the user to confirm a judgment result of the main control module;
if the user responds to the main control module in a double-click main control module key mode within the preset time, the main control module judges that the user is not in a rescue-needing state and does not enter a help-seeking mode;
if the user does not respond to the main control module within the preset time, the main control module confirms that the user is in a state needing rescue, and the main control module enters a help seeking mode.
7. The outdoor trapped person search and rescue system based on the Beidou and Zigbee according to claim 1, which is characterized in that: the monitoring device is also provided with a help-seeking key, and when the help-seeking key is triggered in a double-click mode, the main control module enters a help-seeking mode.
8. The outdoor trapped person search and rescue system based on Beidou and Zigbee according to claim 6 or 7, which is characterized in that: the monitoring device is characterized in that a main body of the monitoring device is arranged in a backpack of a user, a rechargeable battery in the backpack is used as a power supply, and an antenna is arranged at the top of the backpack and connected with a positioning module; the top of the backpack is also provided with a sound alarm; the shoulder straps of the backpack are provided with keys; the outer wall of the backpack is also provided with a solar cell panel for charging the rechargeable battery.
9. The outdoor trapped person search and rescue system based on the Beidou and Zigbee according to claim 4, characterized in that: the monitoring device is fixed at the backpack of the user according to a set posture, and the search and rescue system further comprises a remote server of a search and rescue center; the work flow of the search and rescue system comprises the following steps;
step A1, after the monitoring device is started, a built-in Beidou navigation positioning module is used for acquiring current longitude and latitude coordinates, TCP connection is established with a remote server through a GPRS module, login information is sent, and after a response of the remote server is received, coordinate return operation is started;
a2, uploading current longitude and latitude coordinates to a remote server through a GPRS module by a monitoring device according to a preset frequency, wherein the preset frequency is not lower than 10 seconds/time; the remote server stores the received user coordinates into a database;
a3, acquiring posture change data of the backpack by a main control module through a posture sensor, deducing a current state value of a user from the posture change data of the backpack, entering a distress mode when the main control module confirms that the user is in a state needing rescue, uploading the current state value of the user, longitude and latitude coordinates of the user and distress signals to a remote server through a GPRS module, and broadcasting the distress signals to an adjacent area through a Zigbee module according to set frequency;
step A4, when the remote server receives the distress signal sent by the main control module, integrating the longitude and latitude coordinates of the user sent by the main control module and the coordinates of the user stored in the database into a user action track, and informing rescuers of the search and rescue center;
step A5, determining the position of a user by a rescuer through the action track of the user, and carrying rescue equipment with a monitoring device to rescue;
a6, detecting the rescue actions and the action postures of the rescuers by a remote server through a monitoring device carried by the rescuers so as to prevent the rescuers from generating dangers;
step A7, in the rescue operation, when the rescue worker moves to the area adjacent to the user, the monitoring device carried by the rescue worker receives the distress signal broadcast sent by the monitoring device carried by the user through the Zigbee module and sends a response signal, and after receiving the response signal, the monitoring device carried by the user starts the audible alarm to identify the user direction to the rescue worker.
10. The Beidou and Zigbee based outdoor trapped person search and rescue system according to claim 9, characterized in that: the remote server is a server arranged at a search and rescue center, the remote server communicates with a monitoring device of a user through search and rescue service software and manages search and rescue information, a rear-end frame adopted by the search and rescue service software is a lightweight frame springmvc + mybatis, and an interactive interface of the search and rescue service software is a front-end page compiled by jsp;
the search and rescue service software is also in butt joint with the social network platform; the social network platform comprises an APP (application) for mutual positioning for outdoor sports personnel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911289121.1A CN110891242A (en) | 2019-12-16 | 2019-12-16 | Outdoor trapped person search and rescue system based on Beidou and Zigbee |
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