CN105827729B - Mine emergency communication and monitoring system - Google Patents
Mine emergency communication and monitoring system Download PDFInfo
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- CN105827729B CN105827729B CN201610291878.4A CN201610291878A CN105827729B CN 105827729 B CN105827729 B CN 105827729B CN 201610291878 A CN201610291878 A CN 201610291878A CN 105827729 B CN105827729 B CN 105827729B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
- E21F17/18—Special adaptations of signalling or alarm devices
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Abstract
The invention discloses a mine emergency communication and monitoring system. The system comprises wireless power supply equipment, wireless node equipment, monitoring equipment, underground wireless terminal equipment and other equipment; the wireless power supply equipment supplies power to the wireless node equipment; when disaster accidents happen under the mine, the wireless node equipment forms an emergency wireless communication network to provide communication service for underground wireless terminal equipment. The system can avoid communication interruption between the underground and the uphole caused by the damage of the communication and the power supply cable when the disaster occurs, ensure that reliable communication and positioning service can be provided for underground trapped personnel and rescue workers after the underground disaster occurs, and monitor underground site conditions.
Description
Technical Field
The invention relates to a mine emergency communication and monitoring system, which relates to the fields of sensor technology, wireless communication technology, wireless charging technology and the like.
Background
Coal is the main energy source in China, and accounts for about 70% of the primary energy source. The coal industry is a high-risk industry, and accidents such as gas, flood, fire, roof, coal dust and the like afflict the safe production of the coal mine. The underground communication system is one of the six safety risk avoidance systems of the coal mine, and is an important guarantee for the safety production of the coal mine. The existing underground communication system mainly comprises a wired dispatching system, a mobile communication system, a broadcasting system, a disaster relief system and a through-the-earth communication system. When accidents such as gas outburst, gas explosion, rock burst, roof fall, flood, fire disaster and the like happen underground, various communication equipment, communication cables, power supply cables and underground monitoring equipment in an underground roadway are damaged, so that a wired scheduling system, a mobile communication system and a broadcasting system are easily affected by the disasters and the accidents and cannot be used. The wireless communication system carried by post-disaster rescue personnel in the disaster relief communication system can realize communication within a certain range after the disaster, but can not realize communication in an area which can not be reached by the rescue personnel. The through-the-earth communication system is a communication system based on a low-frequency through-the-earth communication technology, the accident influence is small, the disaster resistance is strong, but the volume of transmitting equipment and transmitting antennas for through-the-earth communication is large, the through-the-earth communication generally adopts a unidirectional broadcast communication mode, underground personnel can only receive information on a well and can not transmit the information, transmitting equipment can only be arranged in a limited underground chamber, the situation of underground personnel and the situation of the site which are not in the chamber can not be known after the accident, and the through-the-earth communication system can not meet the requirement of mine emergency communication. In order to ensure life safety of underground personnel and solve the problems, a new emergency wireless communication and monitoring system is needed, so that communication interruption between underground and uphole caused by damage of communication and power supply cables can be avoided when disasters occur, reliable communication and positioning service can be provided for underground trapped personnel and rescue personnel after the underground disasters occur, and underground site conditions can be monitored.
Disclosure of Invention
The invention provides a mine emergency communication and monitoring system, which mainly comprises wireless power supply equipment, wireless node equipment, monitoring equipment, voice equipment, monitoring equipment, display equipment and underground wireless terminal equipment; the wireless node equipment, the monitoring equipment, the voice equipment, the monitoring equipment and the display equipment are internally provided with storage batteries; the wireless power supply equipment supplies working electric energy and storage battery charging electric energy for the wireless node equipment, the monitoring equipment, the voice equipment, the monitoring equipment and the display equipment in a wireless mode; the wireless power supply equipment is powered by a power supply cable; the wireless node equipment adopts a wireless multi-hop communication mode to form a wireless communication network; the monitoring equipment, the voice equipment, the monitoring equipment, the display equipment and the underground wireless terminal equipment are accessed into a wireless communication network by the wireless node equipment; when the wireless power supply equipment works normally, the equipment powered by the wireless power supply equipment is in a normal working state; when the wireless power supply equipment cannot work, the equipment which is powered by the wireless power supply equipment automatically enters a power saving working state, and the wireless node equipment, the monitoring equipment, the voice equipment, the monitoring equipment and the display equipment which enter the power saving working state can be activated by other adjacent equipment, wherein the monitoring equipment, the voice equipment, the monitoring equipment and the display equipment can be also automatically activated at regular time; the voice device may also be manually activated; when the wireless node equipment, the monitoring equipment, the voice equipment, the monitoring equipment and the display equipment are in the power saving working state, only the wireless signals are received and the wireless signals are not transmitted; when the equipment in the power saving working state is activated to enter a normal working state, the wireless node equipment has complete transmitting and receiving functions and complete networking functions; the activated wireless node equipment, the monitoring equipment, the voice equipment, the monitoring equipment and the display equipment automatically enter a power-saving working state after the working communication is completed.
1. The system further comprises: the bottoms of the wireless node equipment, the monitoring equipment, the voice equipment, the monitoring equipment and the display equipment are tightly attached to the installation plane and are fixed, the section of the shell is characterized in that the side surface is streamline, the top is not acute or right-angled, and the junction angle between the bottom and the top is acute; the bottom material is made of a material with good heat conduction property; the top material of the wireless node equipment adopts a high-temperature-resistant heat-insulating material without a wireless signal shielding effect; the wireless node device housing has a waterproof function.
2. The system further comprises: the wireless node equipment, the monitoring equipment, the voice equipment, the monitoring equipment and the display equipment are arranged on the side wall or the top of the roadway and the wall of the shaft, and can also be arranged on auxiliary facilities which are firm on the side wall or the wall of the shaft at the top of the roadway and permanently reserved in the service life of the roadway; the wireless power supply equipment is arranged close to the wireless node equipment, the monitoring equipment, the voice equipment, the monitoring equipment and the display equipment, and the direction of the power supply antenna and the direction of the electric energy receiving antenna are opposite; a wireless power supply device may power one or more wireless node devices, monitoring devices, voice devices, monitoring devices, display devices.
3. The system further comprises: when the wireless node equipment is activated by the adjacent equipment, if uplink communication is needed, the wireless node equipment activates the adjacent wireless node equipment in the uplink communication direction, and all the wireless node equipment in the uplink direction is activated step by step in a relay mode, so that the network environment construction of a link needed by the communication is completed; when the system needs downlink communication and positioning, all wireless node devices required by the communication or positioning are activated in a relay activation mode, so that the network environment required by the communication is built; when the communication is completed, the activated wireless node device automatically enters a power saving operation state.
4. The system further comprises: the monitoring equipment comprises a temperature sensor, a carbon monoxide sensor, a carbon dioxide sensor, a methane sensor, an oxygen sensor, an air pressure sensor, a humidity sensor and a water immersion sensor.
5. The system further comprises: if the monitoring equipment is in a power saving working state, when the underground equipment needs to collect the environmental data of a specific area, firstly, the monitoring equipment in the communication range is activated by the node equipment of the wireless communication network of the area, the monitoring equipment automatically establishes a data link with the underground equipment, the underground equipment can control the monitoring equipment to collect corresponding data by a specific instruction, and the monitoring equipment uploads the data to the underground equipment by the data link after the data collection is completed; after the activated device completes the working communication, the activated device automatically enters a power saving working state.
6. The system further comprises: the voice equipment comprises a calling button and a voice acquisition and voice amplification element, wherein the calling button is used for emergency call, when the calling button is pressed, the voice equipment is manually activated if in a power saving working state, the voice equipment automatically establishes a data transmission link with the on-well equipment through a wireless communication network, the voice acquisition element is used for acquiring voice signals, and the voice amplification equipment is used for playing the voice signals to realize bidirectional voice communication; after the activated device completes the working communication, the activated device automatically enters a power saving working state.
7. The system further comprises: if the monitoring equipment is in a power saving state, when the above-well equipment needs to collect video or image data of a specific underground area, the monitoring equipment in the communication range is activated by the node equipment of the wireless communication network of the area, the monitoring equipment automatically establishes a data link with the above-well equipment, and the collected data is uploaded to the above-well equipment through the data link; after the activated device completes the working communication, the activated device automatically enters a power saving working state.
8. The system further comprises: the monitoring equipment and the built-in timer of the monitoring equipment can be automatically activated according to the set timing time when in the power saving state, acquire environment data or video image data, automatically establish a data transmission link with the on-well equipment through a wireless communication network, and upload the acquired data through the link; after the activated device completes the working communication, the activated device automatically enters a power saving working state.
9. The system further comprises: the display device is used for displaying the received graphic and text indication information; the display device has a query button for querying the received graphics and text.
10. The system further comprises: the wireless power supply equipment can adopt a partition power supply mode or an alternating current direct power supply mode; when a partition power supply mode is adopted, the wireless power supply equipment of each area is connected in parallel with the direct current power supply cable of the area, so that the direct current power supply cable of the area supplies power, and the power supply is independently provided by the alternating current/direct current conversion equipment of the area; when the alternating current direct power supply mode is adopted, the wireless power supply equipment is internally provided with an alternating current/direct current conversion module, and can be directly connected with an alternating current power supply cable to realize power supply.
11. The system further comprises: the underground wireless terminal equipment comprises a mobile phone, a positioning card, a miner lamp with a wireless communication function, a portable instrument with a wireless communication function and other equipment with the wireless communication function.
Drawings
FIG. 1A schematic diagram 1 of a mine emergency communication and monitoring system is implemented.
Fig. 2 a schematic diagram 2 of a mine emergency communication and monitoring system implementation.
Fig. 3 is a schematic diagram of a wireless power transmitting device.
Fig. 4 is a schematic diagram of wireless powered transmitting device area powering.
Fig. 5 is a schematic diagram of installation and cross-sectional structure of a wireless power supply transmitting device and a wireless node.
Fig. 6 is a schematic diagram of the principle composition of a wireless power supply transmitting device.
Fig. 7 is a schematic diagram of the principle components of a wireless node device.
Fig. 8 is a schematic diagram of the principle composition of the monitoring device.
Fig. 9 is a schematic diagram of the principle components of the speech device.
Fig. 10 is a schematic diagram of the principle components of the monitoring device.
Fig. 11 shows a schematic diagram of the principle composition of the device.
Fig. 12 is a system workflow diagram of a wireless mobile terminal device initiated communication downhole.
FIG. 13 is a system workflow diagram for uploading data by a downhole device.
FIG. 14 is a system workflow diagram of an uphole device calling a wireless mobile terminal device communication downhole.
Detailed Description
Embodiment 1 of the communication and monitoring system is shown in fig. 1, and the composition includes:
1. the monitoring terminal (101) is in bidirectional communication with the underground wireless mobile terminal equipment (106) through a wireless communication network.
2. The switch (102) is responsible for data exchange of all devices accessing the Ethernet and is also responsible for establishment and management of the wireless communication network.
3. The wireless power supply transmitting device (103) is used for supplying power to the wireless node device (104) in a wireless power supply mode, and direct-current electric energy is obtained from the alternating-current/direct-current conversion device (105) through a power supply cable.
4. A wireless node device (104) responsible for constructing a wireless communication network; under the condition that the wireless power supply transmitting equipment (103) cannot work normally, the wireless power supply transmitting equipment automatically enters a power saving working state, can be activated by the wireless mobile terminal equipment (106) and other adjacent equipment to enter the normal working state, and automatically returns to the power saving working state after communication is completed.
5. (105) Comprising the following steps: a downhole monitoring device, a voice device, a monitoring device, or a display device.
6. The alternating current/direct current conversion equipment (106) is used for converting underground alternating current power into direct current and supplying power to the wireless power supply transmitting equipment (103) through the power supply cable; if an alternating current power supply mode is adopted, the wireless power supply transmitting equipment is directly connected with an underground alternating current power supply, and an alternating current/direct current conversion equipment is not needed.
7. Wireless mobile terminal equipment (107) including mobile phones, locator cards, miner's lamps with wireless communication function, portable instruments with wireless communication function and other equipment with wireless communication function is provided with an emergency call button for activating wireless node equipment (104) in a power saving state in a communication area.
FIG. 2 is a schematic diagram showing an embodiment of the communication and monitoring system in an inclined shaft or a footrill.
The power supply mode of the wireless power supply transmitting equipment comprises a unified power supply mode, a partition power supply mode and an alternating current power supply mode. In the implementation of unified power supply, as shown in fig. 3, all wireless power supply transmitting devices (103) are powered by unified power supply cables in a direct current power supply mode, the wireless power supply transmitting devices (103) are connected with the unified power supply cables in a parallel mode, and an alternating current/direct current conversion device (106) is required to be connected in parallel at a certain distance to compensate cable voltage drop during implementation, so that power supply voltage is ensured.
As shown in fig. 4, the embodiment of the partition power supply mode of the wireless power supply transmitting device is different from the unified power supply in that the unified power supply cable is not adopted, and the power supply is supplied on the regional power supply cable, and the power supply is separately provided by the ac/dc conversion device (106) in the region.
Fig. 5 is a schematic diagram of installation and cross-sectional structure of a wireless power supply transmitting device and a wireless node, etc., including:
1. the anchor rod (501) is used for fixedly mounting wireless node equipment, monitoring equipment, voice equipment, monitoring equipment or display equipment, and penetrating into the roadway wall to enable the bottom of the equipment to be tightly attached to a mounting plane for fixing, so that the wireless node equipment can be effectively prevented from falling off when an accident occurs.
2. The bottom (502) of the shell is used for carrying and installing various parts of wireless node equipment, monitoring equipment, voice equipment, monitoring equipment or display equipment, adopts materials with good heat conducting performance, has a waterproof function, and can conduct heat inside the equipment to a medium contacted with the bottom for conducting and radiating.
3. The top (503) of the shell is streamline, and the top material of the shell of the wireless node equipment adopts a high-temperature-resistant heat-insulating material without the wireless signal shielding function and has a waterproof function. The top material of the monitor and display device housings is transparent.
4. And the main board fixing copper columns (504) are used for supporting and fixing 4 main boards (503) of wireless node equipment, monitoring equipment, voice equipment, monitoring equipment or display equipment, and are fixed at the bottom of the equipment.
5. And a battery (505) mounted at the bottom of the housing of the wireless node device, the monitoring device, the voice device, the monitoring device or the display device.
6. And a main board (506) including core constituent elements of the wireless node device, the monitoring device, the voice device, the monitoring device or the display device except for the antenna and the button, and installed above the battery at a certain distance from the battery.
7. And the communication antenna (507) and the FPC board type antenna are connected with an IPX interface on the main board by adopting a flexible special patch cord.
8. A powered receiving antenna (508) is opposite a wireless powered transmitting device transmitting antenna (510).
9. Expansion bolts (509) for mounting a stationary wireless power transmitting device.
10. The wireless power supply transmitting device supplies power to the transmitting antenna (510), and is mounted against the housing wall opposite to the power supply receiving antenna (508).
11. The wireless power supply transmitting device mainboard (511) mainly comprises a wireless power supply transmitting management component.
12. A direct current voltage conversion module (512) of a wireless power transmitting device.
13. A wireless power transmitting device housing (513) is formed of a material that does not have a wireless signal shielding effect.
As shown in fig. 6, the hardware main components of the wireless power supply transmitting device include:
1. and the direct-current voltage conversion module (601) inputs voltage 24V, outputs voltage 12V and outputs current 1A at maximum output.
2. And the wireless power supply emission management module (602) adopts an XKT-830B module and emits 12V of input voltage.
3. The wireless power supply transmitting antenna (603) adopts an annular transmitting coil, the outer diameter of the coil is 48mm, the inner diameter of the coil is 30mm, and the thickness of the coil is 0.6mm.
As shown in fig. 7, the hardware components of the wireless node device are shown in schematic, and the main components include:
1. and a processor (701) which adopts an Atheros AR7161 wireless network processor and has the working frequency of 600Mhz.
2. A storage unit (702); including flash memory and random access memory. The Flash memory adopts 32M Flash; the random access memory adopts 128M SDRAM.
3. Wireless communication unit (703): including a wireless communication module and an antenna. The wireless communication module core chip adopts an Atheres AR9220; the antenna adopts an FPC board type built-in antenna, and is connected with an IPX interface led out by AR9220 on the main board through a flexible special patch cord, and the maximum gain is not less than 3.5dBi.
4. The wireless node equipment closest to the roadway exit has the function of accessing an emergency wireless communication network into an uphole wired network besides the wireless access function of the wireless mobile terminal equipment, so that the wireless node equipment is provided with a wired communication unit. The wired communication unit (704) includes a wired communication module and a communication interface. The core chip of the wired communication module adopts Atheros AR8035 to support gigabit Ethernet. The communication interface is a standard ethernet communication interface.
5. Power supply unit (705): the lithium ion battery has the functions of reverse connection prevention, external protection circuit, overcharge prevention, overdischarge prevention, overcurrent, short circuit and the like, and balanced charge and balanced discharge. The voltage conversion is responsible for converting the output voltage of the lithium battery into the voltage required by other unit elements, and a MAX1724 power chip is adopted. The battery charging management core chip adopts a CS0301 lithium battery charging management chip.
6. Wireless power supply unit (706): the wireless power supply and reception management system comprises a wireless power supply and reception management module and a reception antenna. The wireless power supply receiving management module adopts an XKT-830B receiving module, the receiving antenna adopts a ring-shaped coil, the outer diameter of the receiving coil is 30mm, the inner diameter of the coil is 15mm, and the thickness of the coil is 0.6mm.
Fig. 8 is a schematic diagram of the principle and structure of a monitoring device, where the monitoring device may be equipped with one or more of a temperature sensor, a carbon monoxide sensor, a carbon dioxide sensor, a methane sensor, an oxygen sensor, an air pressure sensor, a humidity sensor, and a water immersion sensor, all of which are modules, have pin connectors, are connected to an acquisition board through pin connectors, obtain power supply, and output acquired analog signals to a processor-supported a/D conversion I/O interface. The monitoring device includes:
1. the processor (801) adopts a three-star S3C2440 processor, the S3C2440 is a microprocessor based on an ARM920T kernel, and is provided with 3 UART interfaces, 2 SPI interfaces, 2 USB interfaces, 1 IIC-BUS interface and an integrated 8-channel 10-bit CMOS A/D converter, and the sensor data output by analog quantity can be directly acquired due to the built-in A/D converter; and carrying a Linux system.
2. A storage unit (802); the EEPROM comprises 256M NAND Flash, one 4M NOR Flash, 128M SDRAM and one IIC-BUS interface.
3. The wireless communication module (803) adopts wireless network card equipment and is provided with an IPX antenna interface, adopts an FPC board type built-in antenna, and is connected with the IPX interface through a flexible special adapter wire, and the maximum gain is not less than 3.5dBi; support is provided by Linux and device drivers.
4. Power supply unit (804): the lithium ion battery has the functions of reverse connection prevention, external protection circuit, overcharge prevention, overdischarge prevention, overcurrent, short circuit and the like, and balanced charge and balanced discharge. The voltage conversion is responsible for converting the output voltage of the lithium battery into the voltage required by other unit elements, and a MAX1724 power chip is adopted. The core chip of the rechargeable battery charging management part adopts a CS0301 lithium battery charging management chip. The processor controls the sensor to supply power, and does not supply power to the sensor in the power saving mode.
5. Wireless power supply unit (805): the wireless power supply and reception management system comprises a wireless power supply and reception management module and a reception antenna. The wireless power supply receiving management module adopts an XKT-830B receiving module, the receiving antenna adopts a ring-shaped coil, the outer diameter of the receiving coil is 30mm, the inner diameter of the coil is 15mm, and the thickness of the coil is 0.6mm.
6. The carbon monoxide sensor (806) adopts an ME2-CO carbon monoxide sensor module, and the measuring range is 0 to 1000ppm.
7. A carbon dioxide sensor (807) using a MG811 carbon dioxide sensor module, the range of measurement being 0 to 10000ppm.
8. An oxygen sensor (808) employing an ME3-O2 oxygen sensor module with a range of 0 to 30%.
9. The methane sensor (809) adopts an MQ-4 methane sensor module, and the measuring range is 300 to 10000ppm.
10. The temperature sensor (810) adopts a DS18B20 temperature sensor module, and the measuring range is-55 ℃ to +125 ℃.
11. The humidity sensor (811) adopts an AM2301 sensor module, and the IIC-BUS interface is used for directly acquiring digital data without A/D conversion.
12. The water immersion sensor (812) is used for detecting the water immersion condition of the roadway, and a plurality of paths of input water immersion sensors are adopted, and each path is correspondingly provided with 1 group of probes; the probes are arranged on the roadway wall, and the number of the probes is not less than 2 groups, namely, the number of the water immersion sensors is not less than 2 paths of input; the probes are sequentially arranged from low to high, the interval between each group of probes is not less than 5 cm, the distance between the lowest group of probes and the bottom of a roadway is not more than 5 cm, and the probes are connected in series with resistors, so that the change of the resistance values of the water and the water-free of the probe induction loop is converted into a voltage change signal which can be acquired by a processor (801).
Fig. 9 is a schematic structural diagram of a voice device, mainly including: processor (901), storage unit (902), wireless communication module (903), power supply unit (904), wireless power supply unit (905), microphone (906), speaker (907), and button (908). The processor (901), the storage unit (902), the wireless communication module (903), the power supply unit (904) and the wireless power supply unit (905) are identical to the scheme of the monitoring equipment, and the scheme of an S3C2440 platform is mainly adopted. The microphone (906) is connected with a Mic interface led out by the processor (901) and is used for collecting voice signals. The loudspeaker (907) is connected with a Phone interface led out by the processor (901) and is used for amplifying and outputting voice signals. A key (908) is used as a call button for emergency calls.
Fig. 10 is a schematic diagram of the principle structure of the monitoring device, mainly including: a processor (1001), a storage unit (1002), a wireless communication module (1003), a power supply unit (1004), a wireless power supply unit (1005), and a digital camera (1006). The basic design schemes of a processor, a storage unit, a wireless communication module, a power supply unit and a wireless power supply unit of the monitoring equipment are the same as those of the monitoring equipment and the voice equipment, and mainly adopt an S3C2440 platform scheme. The digital camera (1006) adopts a USB port digital camera with digital video compression function, and is supported by Linux and a device driver.
Fig. 11 is a schematic diagram of a principle structure of a display device, mainly including: processor (1101), storage unit (1102), wireless communication module (1103), power supply unit (1104), wireless power supply unit (1105), display screen (1106), button (1107). The basic design schemes of a processor, a storage unit, a wireless communication module, a power supply unit and a wireless power supply unit of the display device are the same as those of the monitoring device and the voice device, and the S3C2440 platform scheme is mainly adopted. The display (1106) uses a 4.3 inch LCD display, with Linux providing image, text, and graphics drivers. Two keys (1107) are used as query buttons for querying the received graphics and text.
During emergency communication, for example, the underground wireless mobile terminal equipment initiates communication, the working flow of the system is as shown in fig. 12:
1. (1201) The emergency call button and the call number of the wireless mobile terminal device are pressed, and the wireless mobile terminal device sends a network link establishment request.
2. (1202) And the latest wireless node equipment receives a network link establishment request of the wireless mobile terminal equipment, and if the wireless node equipment is in a power saving state, the wireless node equipment is switched into a normal working state from the power saving state.
3. (1203) The wireless node device queries the route of the called device.
4. (1204) The wireless node device judges the network link direction according to the route, if the called device is accessed by the wireless node device, the method is executed (1207); if the routing level of the called device is low, then executing (1205); if the routing level of the called device is higher, it is executed (1206).
5. (1205) And sequentially waking up the wireless node devices in the power saving state in the uplink direction until the wireless node devices in the area where the called device is located, if the called device is the on-well device, waking up all the wireless node devices in the uplink direction.
6. (1206) And sequentially waking up the wireless node equipment in the power saving state in the downlink direction until the wireless node equipment in the area where the called equipment is located.
7. (1207) After all the devices required by the network link are awakened, the network link between the calling device and the called device is established.
8. (1208) The calling device and the called device communicate over a network link.
9. (1209) Either the calling device or the called device actively ends the communication or the network link is disconnected if no data communication is available in the network link beyond a set time.
10. (1210) After the network link is disconnected and delay is set for a time, the wireless node equipment which is in the power saving state on the network link is switched into the power saving state again.
If the voice device call button is pressed, or the monitoring device and the monitoring device upload data at regular time, the uplink communication is initiated, the working flow of the system is as shown in fig. 13:
1. (1301) Requesting to establish a link with the monitoring terminal.
2. (1302) And receiving a network link establishment request by the nearest wireless node equipment, and switching to a normal working state from the power saving state if the wireless node equipment is in the power saving state.
3. (1303) And sequentially waking up the wireless node equipment in the power saving state in the uplink direction.
4. (1304) A network link between the calling device and the monitoring terminal is established.
5. (1305) The calling device and the monitoring terminal communicate via a network link.
6. (1306) The calling device actively ends the communication to disconnect the network link.
7. (1307) After the network link is disconnected and delay is set for a time, the wireless node equipment which is in the power saving state on the network link is switched into the power saving state again.
During emergency communication, for example, the above-mentioned equipment initiates communication with the underground wireless mobile terminal equipment, the working flow of the system is as shown in fig. 14:
8. (1401) The uphole device calls the wireless mobile terminal device downhole.
9. (1402) A wireless node device accessing a wired network receives a network link establishment request from an uphole device.
10. (1403) The wireless node device queries the route of the called device.
11. (1404) And sequentially waking up the wireless node equipment in the power saving state in the downlink direction until the wireless node equipment in the area where the called equipment is located.
12. (1405) After all the devices required by the network link are awakened, the network link between the calling device and the called device is established.
13. (1406) The calling device and the called device communicate over a network link.
14. (1407) Either the calling device or the called device actively ends the communication or the network link is disconnected if no data communication is available in the network link beyond a set time.
15. (1408) After the network link is disconnected and delay is set for a time, the wireless node equipment which is in the power saving state on the network link is switched into the power saving state again.
Claims (11)
1. The utility model provides a mine emergency communication and monitored control system which characterized in that: the system comprises wireless power supply equipment, wireless node equipment, monitoring equipment, voice equipment, monitoring equipment, display equipment and underground wireless terminal equipment; the wireless node equipment, the monitoring equipment, the voice equipment, the monitoring equipment and the display equipment are internally provided with storage batteries; the wireless power supply equipment supplies working electric energy and storage battery charging electric energy for the wireless node equipment, the monitoring equipment, the voice equipment, the monitoring equipment and the display equipment in a wireless mode; the wireless power supply equipment is powered by a power supply cable; the wireless node equipment adopts a wireless multi-hop communication mode to form a wireless communication network; the monitoring equipment, the voice equipment, the monitoring equipment, the display equipment and the underground wireless terminal equipment are accessed into a wireless communication network by the wireless node equipment; when the wireless power supply equipment works normally, the equipment powered by the wireless power supply equipment is in a normal working state; when the wireless power supply equipment cannot work, the equipment which is powered by the wireless power supply equipment automatically enters a power saving working state, and the wireless node equipment, the monitoring equipment, the voice equipment, the monitoring equipment and the display equipment which enter the power saving working state can be activated by other adjacent equipment, wherein the monitoring equipment, the voice equipment, the monitoring equipment and the display equipment also have a timing automatic activation function; the voice equipment also has a manual activation function; when the wireless node equipment, the monitoring equipment, the voice equipment, the monitoring equipment and the display equipment are in the power saving working state, only the wireless signals are received and the wireless signals are not transmitted; when the equipment in the power saving working state is activated to enter a normal working state, the wireless node equipment has complete transmitting and receiving functions and complete networking functions; the activated wireless node equipment, the monitoring equipment, the voice equipment, the monitoring equipment and the display equipment automatically enter a power-saving working state after completing the working communication;
the bottoms of the wireless node equipment, the monitoring equipment, the voice equipment, the monitoring equipment and the display equipment are tightly attached to the installation plane and are fixed, the section of the shell is characterized in that the side surface is streamline, the top is not acute or right-angled, and the junction angle between the bottom and the top is acute; the bottom material is made of a material with good heat conduction property; the top material of the wireless node equipment adopts a high-temperature-resistant heat-insulating material without a wireless signal shielding effect; the wireless node equipment shell has a waterproof function; the wireless power supply equipment is arranged close to the wireless node equipment, the monitoring equipment, the voice equipment, the monitoring equipment and the display equipment, and the direction of the power supply antenna and the direction of the electric energy receiving antenna are opposite; a wireless power supply device powers one or more wireless node devices, monitoring devices, voice devices, monitoring devices, display devices.
2. The emergency communication and monitoring system of claim 1, wherein: the wireless node equipment, the monitoring equipment, the voice equipment, the monitoring equipment and the display equipment are arranged on the side wall or the top of the roadway and the wall of the well; or on accessory facilities that are firm in the side walls or the wall of the top wellbore and remain permanently during the use period of the roadway.
3. The emergency communication and monitoring system of claim 1, wherein: when the wireless node equipment is activated by the adjacent equipment, if uplink communication is needed, the wireless node equipment activates the adjacent wireless node equipment in the uplink communication direction, and all the wireless node equipment in the uplink direction is activated step by step in a relay mode, so that the network environment construction of a link needed by the communication is completed; when the system needs downlink communication and positioning, all wireless node devices required by the communication or positioning are activated in a relay activation mode, so that the network environment required by the communication is built; when the communication is completed, the activated wireless node device automatically enters a power saving operation state.
4. The emergency communication and monitoring system of claim 1, wherein: the monitoring equipment comprises a temperature sensor, a carbon monoxide sensor, a carbon dioxide sensor, a methane sensor, an oxygen sensor, an air pressure sensor, a humidity sensor and a water immersion sensor.
5. The emergency communication and monitoring system of claim 1, wherein: if the monitoring equipment is in a power saving working state, when the underground equipment needs to collect the environmental data of a specific area, firstly, the monitoring equipment in the communication range is activated by the node equipment of the wireless communication network of the area, the monitoring equipment automatically establishes a data link with the underground equipment, the underground equipment can control the monitoring equipment to collect corresponding data by a specific instruction, and the monitoring equipment uploads the data to the underground equipment by the data link after the data collection is completed; after the activated device completes the working communication, the activated device automatically enters a power saving working state.
6. The emergency communication and monitoring system of claim 1, wherein: the voice equipment comprises a calling button and a voice acquisition and voice amplification element, wherein the calling button is used for emergency call, when the calling button is pressed, the voice equipment is manually activated if in a power saving working state, the voice equipment automatically establishes a data transmission link with the on-well equipment through a wireless communication network, the voice acquisition element is used for acquiring voice signals, and the voice amplification equipment is used for playing the voice signals to realize bidirectional voice communication; after the activated device completes the working communication, the activated device automatically enters a power saving working state.
7. The emergency communication and monitoring system of claim 1, wherein: if the monitoring equipment is in a power saving state, when the above-well equipment needs to collect video or image data of a specific underground area, the monitoring equipment in the communication range is activated by the node equipment of the wireless communication network of the area, the monitoring equipment automatically establishes a data link with the above-well equipment, and the collected data is uploaded to the above-well equipment through the data link; after the activated device completes the working communication, the activated device automatically enters a power saving working state.
8. The emergency communication and monitoring system of claim 1, wherein: the monitoring equipment and the built-in timer of the monitoring equipment can be automatically activated according to the set timing time when in the power saving state, acquire environment data or video image data, automatically establish a data transmission link with the on-well equipment through a wireless communication network, and upload the acquired data through the link; after the activated device completes the working communication, the activated device automatically enters a power saving working state.
9. The emergency communication and monitoring system of claim 1, wherein: the display device is used for displaying the received graphic and text indication information; the display device has a query button for querying the received graphics and text.
10. The emergency communication and monitoring system of claim 1, wherein: the wireless power supply equipment can adopt a partition power supply mode or an alternating current direct power supply mode; when a partition power supply mode is adopted, the wireless power supply equipment of each area is connected in parallel with the direct current power supply cable of the area, so that the direct current power supply cable of the area supplies power, and the power supply is independently provided by the alternating current/direct current conversion equipment of the area; when the alternating current direct power supply mode is adopted, the wireless power supply equipment is internally provided with an alternating current/direct current conversion module, and can be directly connected with an alternating current power supply cable to realize power supply.
11. The emergency communication and monitoring system of claim 1, wherein: the underground wireless terminal equipment comprises a mobile phone, a positioning card, a miner lamp with a wireless communication function, a portable instrument with a wireless communication function and other equipment with the wireless communication function.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610291878.4A CN105827729B (en) | 2016-05-05 | 2016-05-05 | Mine emergency communication and monitoring system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610291878.4A CN105827729B (en) | 2016-05-05 | 2016-05-05 | Mine emergency communication and monitoring system |
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| CN105827729A CN105827729A (en) | 2016-08-03 |
| CN105827729B true CN105827729B (en) | 2023-05-09 |
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| CN107493652A (en) * | 2017-08-30 | 2017-12-19 | 新吉恩（天津）信息技术有限公司 | A kind of rapid free soldered circuit board applied in small space |
| CN110415505A (en) * | 2019-07-31 | 2019-11-05 | 湖南煤矿安全装备有限公司 | Information system, application method and the self-rescuer of mine rescue self-rescuer |
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