CN201372811Y - Autonomous call for help and gas concentration dynamic monitoring system for coal mine underground personnel - Google Patents

Abstract

The utility model discloses a coal mine underground personnel's autonomous call for help and gas concentration dynamic monitoring system, which is based on wireless sensor network technology for dynamic monitoring of gas concentration and personnel's own call for help after an accident, including: a monitoring terminal upper computer and wired communication with the monitoring terminal upper computer The fixed monitoring device; also includes: terminal portable monitoring device, the terminal portable monitoring device has a rescue device, when it is unsafe or an accident occurs, the underground personnel will automatically send a distress signal through the distress device, and the distress signal is sent to the fixed monitoring device through wireless. And forwarded by the fixed monitoring device to the monitoring terminal host computer. The coal mine underground personnel's autonomous call for help and gas concentration dynamic monitoring system of the utility model has an emergency call for help function. When an accident occurs to the underground personnel, such as injury or roof collapse, the above-ground personnel can know in time and understand the gas and other environments where the underground personnel are located. Factors to facilitate the evacuation and rescue of personnel.

Description

Autonomous call for help and gas concentration dynamic monitoring system for coal mine underground personnel

technical field

The utility model relates to a coal mine underground personnel's autonomous call for help and gas concentration dynamic monitoring system, which realizes underground gas concentration dynamic monitoring and personnel's autonomous call for help after an accident is based on wireless sensor network technology, and belongs to the electronic field.

Background technique

The coal industry is a special industry. Various safety hazards such as gas, mine dust, fire, water leakage, and top pressure seriously threaten the personal safety of mine workers. Therefore, to effectively prevent the above accidents, it is necessary to make full use of Modern high-tech methods improve the safety level of coal mines as a whole and strengthen the safety awareness of staff.

The coal industry is a special industry. Various safety hazards such as gas, mine dust, fire, flood, and top pressure seriously threaten the personal safety of mine workers. In order to effectively prevent the above accidents, my country's coal mines have been equipped with a large number of coal mine safety Production monitoring system, these safety monitoring systems have greatly improved the production status of my country's coal mines. However, when an accident occurs to the underground personnel, such as injury or roof collapse, the above-mentioned system does not have an emergency call function, and the above-ground personnel cannot timely understand the situation of environmental factors such as gas at the location of the underground personnel, which affects personnel evacuation and rescue.

Wireless sensor network technology can fundamentally solve the deficiencies in the environmental monitoring system. Wireless sensor network technology is a globally unified standard and open network using mature wireless communication technology. Based on the IEEE802.15.4 protocol, it is committed to realizing a short-distance two-way wireless communication with low complexity, low cost, low power consumption, and low speed, which is suitable for fixed, portable or mobile devices. It uses wireless communication for data transmission processing. With the extension of the roadway, the system incorporating wireless sensor network technology can add wireless network nodes in these areas in time to expand the network scale. The research and application of wireless sensor network technology in mine environment monitoring will bring huge performance improvement and economic benefits.

Utility model content

In order to overcome the deficiencies of the existing technical structure, the utility model provides a coal mine underground personnel autonomous call for help and gas concentration dynamic monitoring system, based on wireless sensor network technology for dynamic monitoring of gas concentration and personnel autonomous call for help after an accident occurs.

The utility model relates to a coal mine underground personnel autonomous calling for help and gas concentration dynamic monitoring system, which is based on wireless sensor network technology for dynamic monitoring of gas concentration and personnel autonomous calling for help after an accident, including: a monitoring terminal upper computer and a wired connection with the monitoring terminal upper computer A fixed monitoring device for communication; it also includes: a terminal portable monitoring device, which collects the first environmental data of the mine in real time and the vital sign data of the personnel held by the terminal portable monitoring device, and sends them to the fixed monitoring device wirelessly, And forwarded by the fixed monitoring device to the host computer of the monitoring terminal; the portable monitoring device has a rescue device, when it is unsafe or an accident occurs, the underground personnel will automatically send a distress signal through the rescue device, and the distress signal is sent to the fixed monitoring device wirelessly. And forwarded by the fixed monitoring device to the monitoring terminal host computer.

In the above-mentioned coal mine underground personnel's autonomous call for help and gas concentration dynamic monitoring system, when the terminal portable monitoring device detects that the mine is in an unsafe state, it sends out the first alarm signal; when the fixed monitoring device detects that the mine is in an unsafe state, it sends out The second alarm signal, when the host computer of the monitoring terminal detects that the mine or the holder is in an unsafe state, the terminal portable monitoring device sends out the first alarm signal and/or the fixed monitoring device sends out the second alarm signal.

In the above-mentioned coal mine underground personnel autonomous call for help and gas concentration dynamic monitoring system, the terminal portable monitoring device includes a first sensor, a first wireless communication module, a first processor and a first power supply module, and the first sensor is used to collect the first Environmental data and vital sign data are sent through the first wireless communication module; the first wireless communication module receives the first alarm command from the monitoring terminal host computer; when the first processor receives the first alarm command from the monitoring terminal through the first wireless communication module When an alarm instruction is issued, the first alarm signal is sent; moreover, the first processor receives the collected first environmental data and vital sign data from the first sensor, and monitors the safety status of the mine. In the safe state, the first alarm signal is sent; the distress signal sent by the rescue device is transmitted to the first processor for processing, and the first processor sends it to the fixed monitoring device through the first wireless communication module; the first power supply module is the first sensor , the first wireless communication module, the first processor and the rescue device provide power.

In the above-mentioned coal mine underground personnel's autonomous call for help and gas concentration dynamic monitoring system, the fixed monitoring device includes a second sensor, a network coordinator, a second processor, a second wireless communication module that communicates with the first wireless communication module, and a second wireless communication module. Two power supply modules, the second sensor is used to collect the second environmental data of the mine, and send it through the network coordinator; the network coordinator receives the second alarm command from the monitoring terminal host computer, and forwards it to the second processor, and sends The first environmental data, vital sign data and the distress signal received from the first wireless communication module through the second wireless communication module are forwarded to the monitoring terminal host computer, and the second processor When the second alarm command of the terminal host computer is issued, the second alarm signal is sent, and the second processor receives the second environmental data collected from the second sensor to monitor the safety status of the mine. When it is detected that the mine is in an unsafe state, a second alarm signal is sent; the second power supply module provides power for the second sensor, the network coordinator, the second processor and the second wireless communication module.

In the above-mentioned coal mine underground personnel's autonomous call for help and gas concentration dynamic monitoring system, the upper computer of the monitoring terminal detects the gas concentration within 4%, and when the gas concentration is detected to be higher than 1% for half a minute, it notifies the corresponding first processor send out the first alarm signal and/or the second processor sends out the second alarm signal; the monitoring terminal host computer monitors the water leakage in the mine, and when it detects the water leakage in the mine, it notifies the corresponding first processor to send out the first alarm signal. An alarm signal and/or the second processor sends out a second alarm signal; the first processor of the terminal portable monitoring device detects that the gas concentration is within 4%, and when the gas concentration is detected to be higher than 1% for half a minute, a second alarm signal is sent. An alarm signal, and monitor the water leakage in the mine. When the water leakage in the mine is detected, the first alarm signal will be sent; the second processor of the fixed monitoring device will detect the gas concentration within 4%. When the gas concentration is detected to be higher than 1% within one minute, a second alarm signal is sent, and the water seepage in the mine is monitored. When the water seepage in the mine is detected, the second alarm signal is sent.

In the above-mentioned coal mine underground personnel's autonomous call for help and gas concentration dynamic monitoring system, wired communication is carried out between the fixed monitoring device and the monitoring terminal host computer through the CAN (Controller Area Network, Controller Area Network) bus; the fixed monitoring device and the terminal portable monitoring device There are multiple fixed monitoring devices for wired communication with each other; the terminal portable monitoring devices perform wireless communication through fixed monitoring devices. The first wireless communication module and the second wireless communication module have a 64-bit address respectively. Sensor network technology enables wireless data transmission and reception.

In the above-mentioned coal mine underground personnel's autonomous call for help and gas concentration dynamic monitoring system, the first power supply module and the second power supply module dynamically display the power of the power supply, and give a reminder when the power is insufficient.

The terminal portable monitoring device has a call for help button, and the holding person presses the call for help button, and the terminal portable monitoring device sends a call for help signal.

In the above-mentioned coal mine underground personnel autonomous call for help and gas concentration dynamic monitoring system, the network coordinator analyzes the first environmental data, vital sign data, first alarm signal, said call for help signal, second environmental data and second alarm signal , select the route to send out.

In the above-mentioned coal mine underground personnel's autonomous call for help and gas concentration dynamic monitoring system, the monitoring terminal host computer responds to the first alarm signal and the second alarm signal, starts safety control measures; and responds and makes decisions on the received call for help signal, Recording the location of the person holding the distress signal.

The beneficial effect of the utility model is that, according to the utility model, a high-efficiency, low-cost, low-power consumption coal mine personnel's autonomous call for help and gas concentration dynamic monitoring system can be provided. The device is easy to follow up with the coal mine excavation surface, and can realize real-time monitoring of the environment and personnel information of the more important excavation surface. At the same time, it has an emergency call function. The personnel can know and understand the gas and other environmental factors where the underground personnel are located in a timely manner. As long as the terminal address is recorded, the identity of the miner can be easily determined. The location is convenient for rescue.

Description of drawings

A more complete and better understanding of the invention, and many of its attendant advantages, will be readily appreciated by reference to the following detailed description when considered in conjunction with the accompanying drawings, but the accompanying drawings illustrated herein are intended to provide a further understanding of the invention , constituting a part of the present application, the exemplary embodiments of the present utility model and their descriptions are used to explain the present utility model, and do not constitute an improper limitation of the present utility model, wherein:

Fig. 1 is a schematic block diagram of a coal mine underground personnel's autonomous call for help and gas concentration dynamic monitoring system 100 of the present utility model;

Fig. 2 is a detailed block diagram of the coal mine underground personnel's autonomous call for help and gas concentration dynamic monitoring system 100 of the present invention; and

Fig. 3 is a structural schematic diagram of an embodiment of the utility model embodiment of the coal mine underground personnel's autonomous call for help and gas concentration dynamic monitoring system.

Detailed ways

Below in conjunction with accompanying drawing the utility model is further described.

Fig. 1 is a schematic block diagram of a coal mine underground personnel's autonomous call for help and gas concentration dynamic monitoring system 100 of the utility model, as shown in Fig. 1 , the coal mine underground personnel's autonomous call for help and gas concentration dynamic monitoring system 100 includes: a monitoring terminal host computer 30 and a The fixed monitoring device (FFD, gateway equipment, fixed node in the mine roadway) 20 that the monitoring terminal host computer 30 carries out wired communication; It also includes: terminal portable monitoring device (RFD, wireless sensor network technology terminal portable node worn by underground personnel) 10. The terminal portable monitoring device 10 collects the first environmental data of the mine and the vital sign data of the personnel held by the terminal portable monitoring device 10 in real time, and sends them wirelessly to the fixed monitoring device 20, and the fixed monitoring device 20 forwards them to the monitoring terminal PC 30.

Fig. 2 is a detailed block diagram of the coal mine underground personnel's autonomous call for help and gas concentration dynamic monitoring system 100 of the present utility model, as shown in Fig. The distress signal, the distress signal is sent to the fixed monitoring device 20 in a wireless manner, and is forwarded by the fixed monitoring device 20 to the monitoring terminal host computer 30 .

In addition, when the terminal portable monitoring device 10 detects that the mine is in an unsafe state, it sends a first warning signal, and when the fixed monitoring device 20 detects that the mine is in an unsafe state, it sends a second warning signal. When the mine or the holder is in an unsafe state, the terminal portable monitoring device 10 sends out a first alarm signal and/or the fixed monitoring device 20 sends out a second alarm signal.

In addition, as shown in Figure 2, in the coal mine underground personnel autonomous call for help and gas concentration dynamic monitoring system 100 of the present invention, the terminal portable monitoring device 10 also includes a first sensor 12, a first wireless communication module 14, a first processor 16 and a first power supply module 19, the first sensor 12 is used to collect environmental data and vital sign data in real time, and send through the first wireless communication module 14; the first wireless communication module 14 receives the first alarm of the monitoring terminal host computer 30 instruction; the first processor 16 sends a first alarm signal when receiving the first alarm command from the monitoring terminal host computer 30 through the first wireless communication module 14; the first processor 16 receives the collected first sensor from the first sensor Environmental data and vital sign data, monitor the safety state of the mine, when it is detected that the mine is in an unsafe state, a first alarm signal is sent, and the distress signal sent by the rescue device 18 is transmitted to the first processor 16 for processing, the second A processor 16 sends data through the first wireless communication module 14 ; the first power supply module 19 provides power for the first sensor 12 , the first wireless communication module 14 , the first processor 16 and the emergency caller 18 .

In addition, the fixed monitoring device 20 includes a second sensor 22, a network coordinator 24, a second processor 28, a second wireless communication module 26 that communicates with the first wireless communication module 14, and a second power supply module 29. The second sensor 22 is used to collect the second environmental data of the mine in real time, and send it through the network coordinator 24; The first environmental data, vital sign data and call for help signals received by the second wireless communication module 26 from the first wireless communication module 14 are forwarded to the monitoring terminal host computer 30, and when the second processor 28 receives the information from the network coordinator 24 When monitoring the second alarm command of the terminal host computer 30, a second alarm signal is sent, and the second processor 28 receives the second environmental data collected from the second sensor to monitor the safety status of the mine. In the safe state, a second alarm signal is sent; the second power supply module 29 provides power for the second sensor 22 , the network coordinator 24 , the second processor 28 and the second wireless communication module 26 .

Here, the first environmental data and the second environmental data respectively include: gas concentration, leakage water, air humidity and temperature; vital sign data include: pulse, blood pressure, respiration, body temperature.

The monitoring terminal host computer 30 detects the gas concentration within 4%, and when the gas concentration is detected to be higher than 1% for half a minute, it notifies the corresponding first processor 16 to send a first alarm signal and/or the second processor 28 sends a warning signal. The second alarm signal: the monitoring terminal host computer 30 monitors the water leakage in the mine, and when it detects the water leakage in the mine, it notifies the corresponding first processor 16 to send the first alarm signal and/or the second processor 28 Send out a second warning signal.

In addition, the first processor 16 detects the gas concentration within 4%, and when the gas concentration is detected to be higher than 1% for half a minute, the first processor 16 sends a first alarm signal and monitors the mine seepage water, When it is detected that water seepage occurs in the mine, the first processor 16 sends out a first alarm signal.

Moreover, the second processor 28 detects the gas concentration within 4%, and when it is detected that the gas concentration is higher than 1% for half a minute, the second processor 28 sends a second alarm signal and monitors the mine seepage water, When it is detected that water seepage occurs in the mine, the second processor 28 sends out a second alarm signal.

In addition, wired communication is carried out between the fixed monitoring device 20 and the monitoring terminal host computer 30 through the CAN (Controller Area Network, controller area network) bus; the fixed monitoring device 20 and the terminal portable monitoring device 10 have multiple respectively, and the fixed monitoring device 20 Conduct wired communication with each other; terminal portable monitoring devices 10 perform wireless communication through the fixed monitoring device 20 .

Moreover, the first wireless communication module 14 and the second wireless communication module 26 have a 64-bit address respectively, and adopt wireless sensor network technology to realize wireless data transmission and reception; the first processor 16 and the second processor 28 are ATmega 16; the first wireless communicator 14 and the second wireless communicator 26 are CC2420.

Moreover, the first power supply module 19 and the second power supply module 29 dynamically display the electric power of the power supply, and give a prompt when the electric power is insufficient.

The terminal portable monitoring device 10 has a call for help button. In an emergency, the holder presses the call for help button, and the terminal portable monitoring device 10 sends the call for help signal.

The network coordinator 24 analyzes the first environmental data, the vital sign data, the first alarm signal, the distress call signal, the second environmental data and the second alarm signal, and selects a route to send out. The monitoring terminal host computer 30 processes and fuses the received first environmental data, vital sign data, and second environmental data to judge the safety status of the mine, and when it is judged that the mine is in an unsafe state, issue a first alarm command and/or The second alarm command is to start a safety control measure; and respond and make a decision on the received distress signal, and record the position of the holder who sent the distress signal.

The devices in the ZigBee network technology network are divided into FFD (Full Function Device) devices and RFD (Reduced Function Device) devices, and FFD devices can also be used as a coordinator. FFD is a network node with routing and relay functions. It can communicate with RFD nodes and other FFD nodes. As network terminal nodes, RFD nodes cannot communicate directly with each other, and can only send and receive information through FFD nodes. Does not have routing and relay functions. The hardware structure of RFD and FFD is basically the same, but the network layer is different; the coordinator is the network organizer, responsible for network construction and information routing.

Miners wear terminal portable devices (RFD) integrated with sensors, microprocessors and ZigBee modules, which are mainly composed of emergency call system modules, sensor modules, alarms and ZigBee transmitting and receiving modules. The sensor is mainly divided into two parts: one part is used for environmental monitoring, gas concentration, leakage water, air humidity, etc.; the other part is used for the collection of miners' vital signs, such as pulse, blood pressure, respiration, body temperature, etc. After the above-mentioned signals are collected by the sensor, they are amplified, A/D converted, signal processed, etc., and finally wirelessly transmitted by the ZigBee transmitter module to the gateway device on the wall of the mine roadway. Of course, the sensors used to detect environmental data can be divided into temperature and humidity sensors and gas sensors.

Each RFD has a 64-bit IEEE address, and a 16-bit short address can also be used to reduce the size of the data packet. As long as the terminal address is recorded, the identity of the miner can be easily determined. The records find the specific location of each miner, which is convenient for rescue.

Fixed gateway devices (FFD) should be erected every tens of meters in the roadway. Its hardware composition is roughly the same as that of RFD, and it is also composed of various sensors, alarms, and ZigBee transmitting and receiving modules. FFD sensors are mainly used for environmental monitoring, such as gas concentration, water leakage and air temperature and humidity. The FFD is connected with a cable to collect the wireless signal of the ZigBee network, and transmit the collected data to the monitoring terminal host computer on the ground through a wired method. Due to the continuous extension of the mining surface of the mine, it is inconvenient for the frame of the wired device to follow up in time, so a ZigBee wireless relay device should be used near the mining surface to transmit the signal to the FFD. The signal collected by FFD is transmitted to the ground by wire.

The main task of the monitoring terminal host computer is the decision-making and control of the entire system: after data processing and fusion, it is judged whether the system is in an unsafe state, so as to decide whether to send out an alarm signal and start the executive mechanism for safety maintenance; Rescue; automatic backup of the data of the entire system, etc.

Specifically, as shown in FIG. 3 , FIG. 3 is a structural schematic diagram of an embodiment of the utility model embodiment of a system for autonomously calling for help and dynamic monitoring of gas concentration for underground personnel in a coal mine. The components of the coal mine underground personnel's autonomous call for help and gas concentration dynamic monitoring system include monitoring terminal host computer 212, multiple FFDs (gateway devices, fixed nodes in mine tunnels) 214 and multiple RFDs (zigbee terminal portable worn by underground personnel) 216, wherein the monitoring terminal host computer 212 is connected to the FFD 214 through the CAN bus, the RFD216 worn by the miner and the power supply module of the fixed gateway device FFD 214 have the function of dynamically displaying the power supply, and when the power is insufficient, a reminder will be issued. The mine environment monitoring module 210 can meet the requirements of the complex underground environment of the coal mine for the small size of the nodes in the sensor network and the wireless communication to receive and send data; Information such as gas concentration, leakage water conditions, temperature and humidity in the working environment is transmitted to the host computer to determine whether the mining environment is safe and to take corresponding measures. The completed functions are as follows:

1) Real-time acquisition and processing of underground gas concentration, seepage water status, temperature and humidity signals.

2) The gas concentration can be detected within 4%, and when the gas concentration is detected to be higher than 1% for half a minute, the node can send an alarm signal.

3) The detection of water leakage can be realized, and when the water leakage is found, the node can send out an alarm signal.

4) LCD liquid crystal can dynamically display the temperature and humidity of the environment, the concentration of gas and the situation of water leakage.

5) RFD can form a network between nodes, and has the function of wireless transmission and reception. The wireless module can send the measured gas concentration information to FFD, and then to the host computer of the monitoring terminal to realize real-time monitoring and control.

6) The sensor node adopts low power consumption technology and has various working modes such as sleep.

7) Support the integration and access of multi-channel sensors and special-demand functions for underground coal mine industry applications.

It is worth noting that the monitoring terminal host computer 212, fixed monitoring device FFD214 and terminal portable monitoring device RFD216 involved in the coal mine underground personnel autonomous call for help and gas concentration dynamic monitoring system 100 described in FIG. The structures and functions of the monitoring terminal host computer 30 , the fixed monitoring device 20 and the terminal portable monitoring device 10 are the same.

According to the coal mine underground personnel's autonomous call for help and gas concentration dynamic monitoring system of the utility model, the monitoring facilities can be flexibly configured, and the location is not limited. Real-time monitoring of environment and personnel information. At the same time, it has an emergency call function. When an accident occurs to the underground personnel, such as injury or roof collapse, the above-ground personnel can keep abreast of the gas and other environmental factors at the location of the underground personnel. As long as the terminal address is recorded, the miner can be easily identified. Identity, in the event of a mining disaster, it is easy to find the specific location of each miner according to the last record of the gateway, which is convenient for rescue.

As mentioned above, the embodiment of the present invention has been described in detail, but it is obvious to those skilled in the art that many modifications can be made as long as the utility model points and effects of the present invention are not substantially deviated from. Therefore, such modified examples are all included in the protection scope of the present invention.

Claims (10)

1. A coal mine underground personnel autonomous call for help and gas concentration dynamic monitoring system, including: A monitoring terminal host computer and a fixed monitoring device for wired communication with the monitoring terminal host computer; it is characterized in that it also includes: The terminal portable monitoring device collects the first environmental data of the mine and the vital sign data of the personnel held by the terminal portable monitoring device in real time, and sends them wirelessly to the fixed monitoring device, and the The fixed monitoring device is forwarded to the host computer of the monitoring terminal, The terminal portable monitoring device has a rescue device. When it is unsafe or an accident occurs, the underground personnel automatically send a distress signal through the rescue device, and the distress signal is sent to the fixed monitoring device in a wireless manner, and the fixed The monitoring device forwards it to the monitoring terminal host computer. 2. The coal mine underground personnel autonomous call for help and gas concentration dynamic monitoring system according to claim 1, characterized in that: When the terminal portable monitoring device monitors that the mine is in an unsafe state, it sends out a first warning signal, When the fixed monitoring device detects that the mine is in an unsafe state, a second alarm signal is sent, When the host computer of the monitoring terminal detects that the mine or the holder is in an unsafe state, it notifies the terminal portable monitoring device to send the first alarm signal and/or the fixed monitoring device to send the second alarm Signal. 3. The coal mine underground personnel autonomous call for help and gas concentration dynamic monitoring system according to claim 2, characterized in that: said terminal portable monitoring device also includes a first sensor, a first wireless communication module, a first processor and a first power supply module, The first sensor is used to collect the first environmental data and the vital sign data, and send them through the first wireless communication module; The first wireless communication module receives the first alarm instruction from the host computer of the monitoring terminal; When the first processor receives the first alarm instruction from the host computer of the monitoring terminal through the first wireless communication module, it sends out the first alarm signal; the first processor sends the first alarm signal from the The first sensor receives the collected first environmental data and the vital sign data, monitors the safety state of the mine, and sends the first alarm signal when it detects that the mine is in an unsafe state; The distress signal sent by the rescue device is transmitted to the first processor for processing, and the first processor sends it to the fixed monitoring device through the first wireless communication module; The first power supply module provides power for the first sensor, the first wireless communication module, the first processor and the emergency caller. 4. The coal mine underground personnel autonomous call for help and gas concentration dynamic monitoring system according to claim 3, characterized in that: the fixed monitoring device includes a second sensor, a network coordinator, a second processor, and the first wireless A second wireless communication module for communication with the communication module, and a second power supply module, The second sensor is used to collect the second environmental data of the mine and send it through the network coordinator; The network coordinator receives the second alarm command from the host computer of the monitoring terminal and forwards it to the second processor, and transmits the command received from the first wireless communication module through the second wireless communication module The first environmental data, the vital sign data and the distress signal are forwarded to the monitoring terminal host computer, When the second processor receives the second alarm instruction from the monitoring terminal host computer forwarded by the network coordinator, it sends out a second alarm signal, and the second processor sends out a second alarm signal from the first The second sensor receives the collected second environmental data, monitors the safety state of the mine, and sends the second alarm signal when it detects that the mine is in an unsafe state; The second power supply module provides power for the second sensor, the network coordinator, the second processor and the second wireless communication module. 5. The coal mine underground personnel autonomous call for help and gas concentration dynamic monitoring system according to claim 4, characterized in that: The upper computer of the monitoring terminal detects the gas concentration within 4%, and when the gas concentration is detected to be higher than 1% for half a minute, it notifies the corresponding first processor to send the first alarm signal and/or the The second processor sends out the second alarm signal, and monitors the water seepage in the mine, and notifies the corresponding first processor to send the first alarm signal and/or when the water seepage in the mine is detected. or the second processor sends the second alarm signal; The first processor of the terminal portable monitoring device detects the gas concentration within 4%, and when the gas concentration is detected to be higher than 1% for half a minute, the first alarm signal is issued, and the mine leakage water is detected. monitoring, when the water seepage occurs in the mine, the first warning signal is sent; The second processor of the fixed monitoring device detects the gas concentration within 4%, and when the gas concentration is detected to be higher than 1% for half a minute, the second alarm signal is sent, and the mine leakage water is detected. monitoring, and sending the second alarm signal when it is detected that water seepage occurs in the mine. 6. The coal mine underground personnel autonomous call for help and gas concentration dynamic monitoring system according to claim 4, characterized in that: Wired communication is performed between the fixed monitoring device and the monitoring terminal host computer through a controller local area network bus; The fixed monitoring device and the terminal portable monitoring device have multiple respectively, and the fixed monitoring devices perform wired communication with each other; the terminal portable monitoring devices perform wireless communication through the fixed monitoring device; The first wireless communication module and the second wireless communication module each have a 64-bit address, and wireless sensor network technology is used to realize data transmission and reception in a wireless manner. 7. The coal mine underground personnel autonomous call for help and gas concentration dynamic monitoring system according to claim 4, characterized in that the first power supply module and the second power supply module dynamically display the power supply power, and when the power is insufficient, Issue a reminder. 8. The coal mine underground personnel autonomous call for help and gas concentration dynamic monitoring system according to claim 4, characterized in that: the network coordinator controls the first environmental data, the vital sign data, and the first alarm signal , the distress call signal, the second environmental data and the second alarm signal are analyzed, and a route is selected to be sent out. 9. According to the coal mine underground personnel's autonomous call for help and gas concentration dynamic monitoring system according to any one of claims 1 to 8, it is characterized in that: The emergency call device has a call for help button, and the holder presses the call for help button, and the terminal portable monitoring device sends the call for help signal. 10. The coal mine underground personnel autonomous call for help and gas concentration dynamic monitoring system according to any one of claims 1 to 8, characterized in that: the monitoring terminal host computer responds to the first alarm signal and the second alarm signal, start safety control measures; and respond to and make decisions on the received distress signal, and record the location of the holder who sent the distress signal.

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