CN105078405A - Firefighter vital sign monitoring and information synergy oriented portable device - Google Patents

Abstract

The invention provides a firefighter vital sign monitoring and information synergy oriented portable device which comprises portable terminals, visual terminals and a server. Heart rate, respiration rate, temperature, gesture and acceleration sensors and Bluetooth modules are integrated with the portable terminals, and important physiological data of firefighters can be monitored by the sign sensors in real time. The visual terminals are provided with portable display screens of Android systems and can be in data connection with the portable terminals, information of signs, positions and the like can be displayed in real time, and position and state information of the firefighters and teammates can be queried in real time. The server is provided with interface programs and B/S (browser/server) architecture browser programs. Data transmitted by the visual terminals can be parsed by the interface programs and can be stored in local databases according to fixed formats. Interactive interfaces which can be updated in real time can be remotely provided by the B/S architecture browser programs for command staffs, and the sign and position information of the firefighters can be queried in real time. The firefighter vital sign monitoring and information synergy oriented portable device has the advantages that the multiple firefighters in fire scenes can be monitored in real time, and accordingly the safety can be effectively guaranteed.

Description

Portable device for vital sign monitoring and information collaboration of firefighters

technical field

The invention relates to the field of wireless sensor network, the field of sensor electronics technology, the field of wireless communication, and the field of computer management technology, in particular to a portable device for firefighters' vital signs monitoring and information coordination.

Background technique

After entering the new century of "knowledge economy", the frequency of fires and various disasters and accidents has increased rapidly, the degree of danger has continued to increase, and the difficulty of disposal has become more and more difficult. As the security measures cannot keep up with the needs of the development of the situation, the number of sacrificed, injured and disabled firefighters is increasing year by year. As more and more attention has been paid to the life safety of fire officers and soldiers in the process of completing emergency rescue tasks, the life safety guarantee system for firefighters has also emerged as the times require.

With the in-depth research and wide application of Internet of Things technology, embedded systems and wireless communication technologies are becoming more and more mature. As an emerging advanced technology, it has the advantages of small size, low cost, and strong perception performance, and is widely used in various fields such as military, medical, disaster relief, and environmental monitoring.

Since the strength of the vital sign signal is very weak, the acquisition of the vital sign data is easily affected by various interferences. At the same time, the harsh environment in the disaster rescue site will also have a great impact on the quality and real-time performance of data transmission. Therefore, in the design of sensor hardware circuits and communication solutions, various factors must be fully considered to make data collection and better transmission performance.

The portable display screen based on the Android system has inherited the characteristics of the Android platform, such as strong open source and rich hardware options. It can provide firefighters with a real-time visual dynamic interface, which is convenient for observing their own status and the location of teammates at all times. The B/S architecture is the browser/server mode, which can be operated anywhere without installing any special software. It has the advantages of simple maintenance and upgrade methods and low cost, which can reduce the burden on the server and increase human-computer interaction. It is very suitable for fire rescue and other sudden and highly flexible application backgrounds.

Integrate the sensor technology that can perceive the vital signs of firefighters, wireless data transmission, inertial navigation positioning technology, and computer management technology to discuss the key technologies in the process of realizing the firefighters' life safety guarantee system, in order to ensure that firefighters and soldiers are performing emergency rescue tasks Provide safeguards for your own safety in the process.

Contents of the invention

Aiming at the deficiencies of the prior art, the present invention provides a vital sign monitoring device for firefighters that is carried by firefighters and capable of real-time monitoring of their physical sign information and location. The device can monitor a variety of signs and information, is easy to carry, can monitor multiple firefighters at the same time, and can stably send the necessary information to the server, providing reliable data and basis for the command center to effectively organize rescue operations. For real-time Ensure effective monitoring of firefighters in the fire scene, and then realize effective coordinated rescue in the entire fire scene.

The technical scheme of the present invention is: integrate various physical sign sensors and bluetooth modules on the embedded platform, use the Android portable terminal to receive, display and send data, and combine the inertial navigation and GPRS modules to obtain the position information of the firefighters, and the firefighters can Real-time understanding of its own status and environmental information The data of the portable terminal is transmitted to the server through the wireless mobile network, and the B/S structure is used to display the firefighters' physical signs and location information in real time through the webpage, so that the commander can understand the status, location and fire situation of the firefighters, and realize Collaborative command.

Portable terminals integrate various physical sign sensors, including heart rate sensors, respiration rate sensors, attitude sensors, acceleration sensors and temperature sensors. At the same time, the Bluetooth module is integrated as a communication method for sending physical sign data to the visualization terminal. The portable terminal can be conveniently fixed on the left chest of the firefighter through a strap. The back is equipped with infrared probe, fixed metal buckle, charging interface and data reading interface.

The strap is approximately T-shaped, with the main strap in the horizontal direction, and four metal concealed buckles arranged on the outside, distributed in a rectangle, which can fix the portable terminal.

The switch button has a light display function, which is divided into red, green and orange, which respectively indicate the states of "starting operation", "connected" and "low battery".

The visual terminal uses a portable display screen of the Android system, which can be connected to the portable terminal for data. The data of the inertial navigation and GPS modules carried on the firefighters can be processed to obtain location information, and its display interface can display information such as signs and locations in real time. The display interface is divided into three levels, namely the login interface, the main interface and several sub-interfaces. The visualization terminal can perform data connection with the server through the wireless mobile network, and send physical signs and location information to it. The visualization terminal has an alarm function, which can send out sound, vibration and visual alarm information when a certain sign data exceeds the safety threshold.

The inertial navigation module is connected with the portable terminal through the serial port. Since the inertial navigation module is relatively easy to produce "zero drift", that is, there is still acceleration output when it is stationary, and the output of the inertial navigation needs to be cleared regularly, so the inertial navigation module is fixed on the firefighter's feet. The initial position of the inertial navigation module can be set manually or obtained by the GPS module.

The login interface can set and select operating parameters such as Bluetooth address and server IP.

The main interface is a selection list, which is convenient for switching between the information of oneself and teammates.

The sub-interface includes real-time display of physical signs and location information, which can help firefighters observe the physical signs and location information of themselves and teammates in real time.

The server side is divided into two parts, namely the C/S framework interface program and the B/S framework browser program. The interface program receives the data sent by the visual terminal through the fixed port, and stores it in the local database after parsing. The B/S architecture software can call the vital sign data and location information in the database, and display them in real time on the browser interface. Authorized commanders can use portable devices or computers to access web pages as long as they are connected to the Internet, and can graphically observe the vital signs and positioning information of multiple firefighters at any location. The upper computer system can also give alarm information at the same time.

The C/S architecture interface program mainly implements the function of the receiving port, that is, when the visualization terminal sends data to the server, the host computer software receives and analyzes the data, and stores the data in the database.

The B/S structure is the browser and server structure, which is the core part of the host computer program. It can provide a human-computer interaction interface through WEB, which is convenient for commanders to log in to the system platform through the network anytime and anywhere, and can operate anywhere without installing any special software. Its human-computer interaction interface is divided into two levels, namely the main interface and several sub-interfaces. The B/S architecture has the advantages of simple maintenance and upgrade methods and low cost, which can reduce the burden on the server and increase human-computer interaction. The B/S architecture program can also send an alarm message for the phenomenon that a certain physical sign data exceeds the threshold, so as to provide necessary reminders to the commander and avoid the occurrence of dangerous situations.

The left side of the main interface is an electronic map, which can display the location information of several firefighters in real time, so as to facilitate the commanders to have a comprehensive understanding of the coverage of the firefighters in the fire scene. The list of firefighters on the right side is convenient for commanders to view the physical information of different firefighters in real time.

The sub-interface includes the real-time display of the three curves of heartbeat, breathing rate and temperature, and the right side contains the gesture arrow and the digital real-time display of information such as heartbeat, breathing rate, temperature, posture and acceleration.

Preferably, the portable terminal is flat, which can improve wearing comfort as much as possible. The portable terminal only has a switch button in the middle of the front, so as to reduce unnecessary operations by firefighters in the fire scene as much as possible.

Preferably, the visualization terminal is provided with 4 ports, except for Bluetooth connection, serial port and wireless network support, a free port is reserved for later expansion.

Preferably, the connection mode between the portable terminal and the visualization terminal adopts Bluetooth communication, which can effectively simplify the communication between mobile communication terminal devices, so that data transmission becomes more rapid and efficient. The wireless communication method also reduces the restrictions on the firefighters as much as possible.

With reference to accompanying drawing 1-9, concrete steps of the present invention are as follows:

Step 1: The firefighter wears the strap 107 on the upper limb, and fixes the portable terminal 1 to the concealed buckle 108 of the strap;

Step 2: Long press the switch button 102 of the portable terminal to activate the portable terminal, at this time the indicator light 101 is red and starts to flash;

Step 3: Open the visual terminal 2, click the setting button 204 to enter the setting interface, set the necessary information such as the Bluetooth address and server IP, click the confirmation button to confirm, and click the return button to return to the main interface 201. At this time, the indicator light 101 turns green, indicating that the portable terminal and the visual terminal are successfully connected. At the same time, the electronic map of the visualization terminal can realize its own position. Click the Upload button. The visualization terminal can send data to the set IP address. Click the corresponding firefighter list to enter the physical sign data interface to monitor the physical sign data of a specific firefighter in real time.

Step 4: Open the server-side interface program, click the start button, the interface program will open the interface, receive the data and store it in the specified location in the database according to a certain format.

Step 5: Open the server-side B/S framework program to monitor the position of firefighters in real time intuitively in the fire scene. Click the corresponding firefighter number to enter the corresponding physical sign data display interface. For a specific firefighter Real-time monitoring of staff's physical signs and data.

Advantages and positive effects of the present invention

The present invention is a portable device for firefighters' vital signs monitoring and information collaboration, which can ensure real-time and stable monitoring of multiple firefighters in the fire scene; The limitation of rescue operations improves the flexibility of the system; the server adopts B/S architecture as a solution, which greatly improves the flexibility of the system, and at the same time has the advantages of simple upgrade and maintenance methods and low server load; Convenient, easy to use and high flexibility.

Description of drawings:

FIG. 1 is a schematic structural diagram of a portable terminal;

Fig. 2 is a schematic diagram of a strap supporting a portable terminal;

Fig. 3 is a schematic diagram of the initial interface of the visual terminal;

Fig. 4 is a schematic side view of the visualized terminal;

Fig. 5 is a schematic diagram of a visual terminal setting interface;

Fig. 6 is a schematic diagram of the display interface of the visual terminal firefighter's vital signs data;

Fig. 7 is a schematic diagram of the operation interface of the server-side interface program;

Fig. 8 is a schematic diagram of the main interface of the server-side B/S architecture browser program;

Fig. 9 is a schematic diagram of the display interface of the server-side B/S architecture browser program sign data;

Figure 10 is a flowchart of the system work.

Detailed ways

Below in conjunction with example the present invention is described in further detail.

Referring to the attached figure, a firefighter's vital signs and status monitoring device according to the present invention is composed of a portable terminal, a visual terminal and a server. The portable terminal is fixed on the side of the firefighter's body by a strap, and the physiological data of the firefighter collected in real time can be transmitted to the visualization terminal through Bluetooth. The terminal is connected, and the output multi-axis acceleration information is processed by the visual terminal. The visualization terminal can process and display the physical signs and location information in real time, and is connected to the server through the wireless mobile network. The server receives and processes the data through the interface program, and uses the B/S framework program for real-time display.

The portable terminal 1 includes an indicator light 101, a switch button 102, an infrared probe 103, a fixed hidden buckle 104, a portable terminal serial number identification 105, a data reading interface 106, a fixed strap 107, and a strap hidden buckle 108. The indicator light 101 can indicate different states of the portable terminal. When the portable terminal is activated by pressing the switch button 102 for a long time, the indicator light 101 starts to flicker. At this time, the light is red, indicating the state of "activated, not connected". The infrared probe 103 is located on the back of the portable terminal, and can detect information such as temperature. The fixed concealed buckles 104 are divided into four and distributed in a rectangular shape, so that the portable terminal can be stably fixed at the strap concealed buckles 108 .

If the indicator light 101 is blinking in orange, it means that the portable terminal has insufficient power to maintain the functions of physical sign detection and transmission, and needs to be charged immediately.

The data reading interface 106 is used to read the physical sign data stored locally by the portable terminal. The portable terminal number identification 105 can number different sensors, which is convenient for matching use and management. The strap 107 is made of elastic material, which can be fixed on the fireman's upper limbs.

The visualization terminal 2 includes three sets of display interfaces, namely a main interface 201 , a setting interface 206 and a sign data display interface 207 . The visualization terminal can read the physical sign data collected by the portable terminal through Bluetooth, and read the multi-axis acceleration information sent by the inertial navigation module through the serial port. The visual terminal can process and store the above data through its own program.

The left side of the main page 201 is an electronic map combined with an indoor map, which can display the position of firefighters in real time. There are two buttons on the lower right side, which are upload button 203 and setting button 204 respectively. Click the setting button 204 to enter the setting interface 206 . In the setting interface 206, information such as a connectable Bluetooth address and server IP can be set. Click the upload button 203 on the main page 201 to send information to the previously set server IP in a fixed format, including physical sign data and location information, etc. At this time, the indicator light 101 of the portable terminal turns green, indicating the status of "activated and connected" . Click the firefighter list 202 on the right side of the main interface 201 to enter the physical sign information display interface 207 .

The physical sign data display interface 207 can display the physical sign information of a specific firefighter in real time.

Referring to Fig. 4, preferably, the visual terminal is provided with 4 serial ports, three of which are respectively used as Bluetooth module connection, inertial navigation module connection and wireless communication module connection, and the last serial port is used as a backup serial port for function expansion.

Referring to FIG. 7 , the server-side interface program 3 mainly implements functions such as data reception and storage. Its interface includes a start button 301 and a stop button 302. After the program starts running, click the start button 301, and the interface program will open the corresponding port to start receiving and analyzing data, and the data will be stored in the database according to a fixed format. Click the stop button 302 to close the port and stop receiving data.

Referring to Fig. 7, the interface program 3 can display the data being received in real time, and the update frequency is 1 time/second.

The host computer B/S framework program 4 is mainly divided into two levels, namely the main interface and the information real-time display interface. The main interface includes an electronic map 401 combined with a floor plan and a firefighter list 402 . The electronic map 401 can display the location information of all the firefighters on the floor in real time, so that the commanders can have a better understanding of the coverage of the entire fire scene. The firefighter list 402 includes the numbers of all firefighters in the fire scene. Click on the number of the corresponding firefighter to jump to the display interface of the physical sign data of the corresponding firefighter.

See Figure 9, the display interface of the firefighters' signs data, which can display the three sign curves of heart rate, breathing rate and body temperature in real time, and the commander can use it to analyze the changes of the firefighters' signs in the past period of time for necessary analysis. On the right side of the interface, the attitude information will be displayed intuitively in the form of arrows. At the same time, all the physical signs information will also be jumped in real time in the form of numbers.

For specific use:

Step 1: Wear the strap 107 on the upper limbs, and fix the portable terminal 1 on the concealed buckle 108 of the strap;

Step 2: Press and hold the switch button 102 to activate the portable terminal, at this time the indicator light 101 is red and starts to flash;

Step 3: Open the visual terminal 2, click the setting button 204 to enter the setting interface, set the necessary information such as the Bluetooth address and server IP, click the confirmation button to confirm, and click the return button to return to the main interface 201. At this time, the indicator light 101 turns green, indicating that the portable terminal and the visual terminal are successfully connected. At the same time, the electronic map of the visualization terminal can realize its own position. Click the Upload button. The visualization terminal can send data to the set IP address. Click the corresponding firefighter list to enter the physical sign data interface to monitor the physical sign data of a specific firefighter in real time.

Step 4: Open the server-side interface program, click the start button, the interface program will open the interface, receive the data and store it in the designated location in the database according to a certain format.

Step 5: Open the server-side B/S framework program to monitor the position of firefighters in real time intuitively in the fire scene. Click the corresponding firefighter number to enter the corresponding physical sign data display interface. For a specific firefighter Real-time monitoring of staff's physical signs and data.

Claims (5)

1. A portable device for firefighters’ vital signs monitoring and information collaboration, including a portable terminal, a visualization terminal and a server; the portable terminal collects the firefighters’ vital signs data by using its own integrated sign detection module; the visualization terminal uses Bluetooth and The serial port is connected to the portable terminal for data to obtain physical signs and location information, and then perform necessary processing and real-time display of the data; the visual terminal sends the data to the server through the wireless mobile network; the server-side interface program receives and stores it in the database; The server-side B/S framework program uses a real-time refresh interface to display the location and sign information of multiple firefighters in real time. 2. The portable terminal according to claim 1, characterized in that: a sign detection terminal, a bluetooth module and a data storage module are integrated, wherein, Signs detection module: use its own integrated multiple signs monitoring sensors to detect heart rate, breathing rate, body surface temperature, attitude, and acceleration information in real time; Bluetooth module: Bluetooth data module with a unique communication address, used for short-distance Wireless communication; the data collected by the portable terminal can be transmitted to the visual terminal for further processing; data storage module: while detecting and transmitting the physical sign data, the data is also stored locally, which can realize the total time A total of 480 hours of continuous data storage. 3. The visual terminal device according to claim 1, characterized in that: integrate and develop based on an Android development board, and integrate a wireless module and a data serial port; connect with a portable terminal through Bluetooth, and read physical sign data; Connect with inertial navigation to read real-time location information; the visualization terminal can display the signs and location information of multiple firefighters as necessary; the integrated wireless module can be used to transmit data to the remote server through the mobile wireless network. 4. The server end according to claim 1, characterized in that it combines the browser/server architecture and the client/server architecture simultaneously; the browser/server architecture program reads data from the database, and executes in the browser webpage Data display; the client/server architecture realizes the function of the data interface, and receives, verifies and stores the data sent by the visual terminal. 5. Adopting the portable device for firefighters vital signs monitoring and information coordination according to claim 1, characterized in that it comprises the following steps: Step 1. The portable terminal monitors the heart rate, breathing rate, posture, acceleration and temperature information of the firefighters in real time, and connects the Bluetooth to the visual terminal for real-time data connection; Step 2. Use the inertial navigation module to locate the firefighters in real time, and connect the real-time data with the visualization terminal through the serial port; Step 3. The visual terminal adopts the portable display screen of the Android system, which can process the data of the portable terminal and the inertial navigation module, and perform necessary display after processing. The visual terminal can send the data to the server in a certain format through the wireless mobile network ; Step 4. The interface program on the server side opens the port specified by the server side, receives and analyzes the data sent by the visualization terminal, and stores it in the database according to a fixed format; Step 5, the server-side real-time display interface adopts B/S architecture, and provides an electronic map of the firefighter position display interface in combination with the floor plan of the fixed building; Step 6. The server can update the physical signs and location information of multiple firefighters in real time, and the commander can have a comprehensive understanding of the rescue situation in the fire scene through the browser interface at any place.