LU501802B1 - Tunnel disaster early-warning system for coal-rich rock stratum with gas - Google Patents
Tunnel disaster early-warning system for coal-rich rock stratum with gas Download PDFInfo
- Publication number
- LU501802B1 LU501802B1 LU501802A LU501802A LU501802B1 LU 501802 B1 LU501802 B1 LU 501802B1 LU 501802 A LU501802 A LU 501802A LU 501802 A LU501802 A LU 501802A LU 501802 B1 LU501802 B1 LU 501802B1
- Authority
- LU
- Luxembourg
- Prior art keywords
- module
- electrically connected
- output end
- wire
- power source
- Prior art date
Links
- 239000003245 coal Substances 0.000 title claims abstract description 26
- 239000011435 rock Substances 0.000 title claims abstract description 12
- 238000012544 monitoring process Methods 0.000 claims abstract description 25
- 238000012545 processing Methods 0.000 claims description 31
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 24
- 230000008054 signal transmission Effects 0.000 claims description 7
- 230000002787 reinforcement Effects 0.000 description 10
- 238000013480 data collection Methods 0.000 description 4
- 238000011157 data evaluation Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 230000010365 information processing Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 239000003415 peat Substances 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK 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
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Alarm Systems (AREA)
Abstract
Disclosed is a tunnel disaster early-warning system for a coal-rich rock stratum with gas. The system includes a real-time monitoring unit and an early warning unit, where the real-time monitoring unit is electrically connected to a power source module, the power source module is electrically connected to a standby power source module, and the standby power source module is electrically connected to the real-time monitoring unit. According to system, when a power supply circuit is powered off, the standby power source module can be started to energize the real-time monitoring unit, so as to prevent the situation that danger cannot be accurately predicted in real time during power-off time, a signal can be transmitted to a remote early warning module after the circuit breaks down, so as to remind a worker to timely repair faults, and therefore, reliability of the early warning system is improved.
Description
TUNNEL DISASTER EARLY-WARNING SYSTEM FOR COAL-RICH ROCK 4501802
STRATUM WITH GAS
[01] The present invention relates to the technical field of early warning systems, in particular to a tunnel disaster early warning system for a coal-rich stratum with gas.
[02] The coal-rich units with certain forms in space refer to the thicker and stably distributed parts of one coal seam, namely, the parts beneficial to peat accumulation in ancient geography and ancient construction, the coal-rich units are delineated according to the main coal seams respectively, and the contours of the coal-rich units are determined according to the thickness of coal seam development. One depositional system unit or system domain unit in the coal accumulating basin can have a plurality of coal-rich units, and the plane distribution style of the coal-rich units is obviously controlled by the depositional system. The coal-rich units are controlled by the ancient geographical background more besides the structural settlement and the substrate syndepositional fault network, complex stress state problems of uneven stress (strain gradient), repeated action of load (stress), boundary constraint, different ways for reaching the same stress value, etc. frequently occur in construction of a large-section tunnel crossing coal-rich soft rock, so after tunnel construction and during the using process, danger early warning is needed in the tunnel in real time for improving the safety.
[03] An existing tunnel disaster early warning system always depends on an external power source for power supply, and once power is cut off or the circuit fails to supply power, the early warning system cannot be used, which is low in reliability, so the tunnel disaster early warning system for a coal-rich stratum with gas is provided for solving the problems above.
[04] (1) Solved technical problem
[05] As for the defects in the prior art, the present invention provides a tunnel disaster early-warning system for a coal-rich rock stratum with gas, such that the problem that an existing system depends on an external power source for power supply, and once power is cut off or a circuit fails to supply power, the early warning system may not be used, which is low in reliability is solved.
[06] (2) Technical solution
[07] For achieving the above objective, the present invention is achieved by means of the following technical solution: a tunnel disaster early-warning system for a coal-rich rock stratum with gas includes a real-time monitoring unit and an early warning unit, where an input end of the real-time monitoring unit is electrically connected to an output end of a power source module by means of a wire, the output end of the power source module is electrically connected to an input end of a standby power source module by means of a wire, and an output end of the standby power 1 source module is electrically connected to the input end of the real-time monitoring unit LU501802 by means of a wire.
[08] The real-time monitoring unit includes a central processing unit, an output end of the central processing unit is electrically connected to the input end of the standby power source module by means of a wire, an input end of the central processing unit is electrically connected to an output end of a circuit self-check module by means of a wire, and the output end of the central processing unit is electrically connected to an input end of a wireless signal sending module by means of a wire.
[09] The early warning unit includes a remote early warning module and a tunnel portal warning module.
[10] (3) Beneficial effect
[11] The present invention provides a tunnel disaster early-warning system for a coal-rich rock stratum with gas. Compared to the prior art, the present invention has the following beneficial effects:
[12] (1) According to the tunnel disaster early-warning system for a coal-rich rock stratum with gas, an input end of a real-time monitoring unit is electrically connected to an output end of a power source module by means of a wire, the output end of the power source module is electrically connected with an input end of a standby power source module by means of a wire, an output end of the standby power source module is electrically connected to the input end of the real-time monitoring unit by means of a wire, the output end of the central processing unit is electrically connected to the input end of the standby power source module by means of a wire, an input end of the central processing unit is electrically connected to an output end of a circuit self-check module by means of a wire, and the circuit self-check module and the standby power source module are arranged, such that when a power supply circuit breaks down or is powered off, the standby power source module may be started to energize the real-time monitoring unit, so as to prevent the situation that danger may not be accurately predicted in real time during power-off time, a signal may be directly transmitted to a remote early warning module after the circuit breaks down, so as to remind a worker to timely repair faults and further to avoid the situation that the real-time monitoring unit fails after power in the standby power source module is used up, and therefore, reliability of the early warning system is improved.
[13] (2) According to the tunnel disaster early-warning system for a coal-rich rock stratum with gas, the output end of the central processing unit is electrically connected to an input end of a wireless signal sending module by means of a wire, and an output end of the wireless signal sending module is wirelessly in signal transmission with input ends of a remote early warning module and a tunnel portal warning module, such that when the system monitors a dangerous condition, a warning signal may be sent to passing vehicles by the tunnel portal warning module in time, a worker may also warn in speech by means of an intelligent terminal, so as to greatly save early warning time, the passing vehicles may be warned even if no person is on duty, which improves safety.
[14] FIG 1 is a structural functional block diagram of the present invention; 2
[15] FIG 2 is a structural functional block diagram of a remote early warning LU501802 module in the present invention; and
[16] FIG 3 is a structural functional block diagram of a tunnel portal warning module in the present invention.
[17] In the figures, 1 real-time monitoring unit, 11 central processing unit, 12 circuit self-check module, 13 wireless signal sending module, 14 methane sensor, 15 comparison module, 16 feedback module, 17 reinforcement meter, 18 stress gauge, 19 data collection module, 110 data evaluation module, 2 early warning unit, 21 remote early warning module, 211 wireless signal transceiving module, 212 intelligent terminal, 22 tunnel portal warning module, 221 controller, 222 wireless signal reception module, 223 alarm, 224 LED display screen, 225 loudspeaker, 3 power source module, and 4 standby power source module.
[18] The technical solutions of embodiments of the present invention will be described below clearly and comprehensively in conjunction with accompanying drawings of the embodiments of the present invention.
[19] With reference to FIG 1, the embodiment of the present invention provides a technical solution: a tunnel disaster early-warning system for a coal-rich rock stratum with gas includes a real-time monitoring unit 1 and an early warning unit 2, where an input end of the real-time monitoring unit 1 is electrically connected to an output end of a power source module 3 by means of a wire, the output end of the power source module 3 is electrically connected to an input end of a standby power source module 4 by means of a wire, and an output end of the standby power source module 4 is electrically connected to the input end of the real-time monitoring unit 1 by means of a wire.
[20] With reference to FIG 1, the real-time monitoring unit 1 includes a central processing unit 11 with a model of ARMY, and the central processing unit 11 is an operation core and a control core of a computer and is a final execution unit for information processing and program running; an input end of the central processing unit 11 is electrically connected to output ends of a reinforcement meter 17 and a stress gauge 18 by means of wires, the reinforcement meter 17 is suitable for monitoring stress changes of reinforcement or anchor rods in concrete or other structures, has high precision, high sensitivity, excellent waterproof performance and long-term stability, and is internally provided with a temperature sensor to monitor an environment temperature around an installation position, a special anti-interference four-core shielding cable is used for transmitting frequency and temperature resistance signals, and measured values are not influenced by a length of a cable, such that changes of reinforcement stress and anchor rod stress of a building may be monitored for a long time in various severe environments, and the stress gauge 18 is an instrument for measuring ground stress; an output end of the central processing unit 11 is electrically connected to an input end of a data collection module 19 by means of a wire, an output end of the data collection module 19 is electrically connected to an input end of a data evaluation module 110 by means of a wire, an output end of the data evaluation module 3
110 is electrically connected to an input end of a feedback module 16 by means of a LU501802 wire; the output end of the central processing unit 11 is electrically connected to an input end of a methane sensor 14 by means of a wire, the methane sensor 14 is configured to continuously monitor a methane concentration at a coal mine roadway, a mining working face, a goaf, an air return roadway, an electromechanical chamber, etc. in a coal mine safety detection system, an output end of the methane sensor 14 is electrically connected to an input end of a comparison module 15 by means of a wire, and an output end of the comparison module 15 is electrically connected to the input end of the feedback module 16 by means of a wire; and the output end of the central processing unit 11 is electrically connected to an input end of the comparison module 15 by means of a wire, the output end of the central processing unit 11 is electrically connected to the input end of the standby power source module 4 by means of a wire, the input end of the central processing unit 11 is electrically connected to an output end of a circuit self-check module 12 by means of a wire, and the output end of the central processing unit 11 is electrically connected to an input end of a wireless signal sending module 13 by means of a wire.
[21] With reference to FIGs. 1-2, in an embodiment of the present invention, the early warning unit 2 includes a remote early warning module 21 and a tunnel portal warning module 22, where the remote early warning module 21 includes a wireless signal transceiving module 211 and an intelligent terminal 212, the wireless signal transceiving module 211 is wirelessly in signal transmission with the intelligent terminal 212, an output end of the wireless signal sending module 13 is wirelessly in signal transmission with input ends of the remote early warning module 21 and the tunnel portal warning module 22, and an output end of the remote early warning module 21 is wirelessly in signal transmission with the input end of the tunnel portal warning module 22.
[22] With reference to FIG 3, in an embodiment of the present invention, the tunnel portal warning module 22 includes a controller 221, a wireless signal reception module 222, an alarm 223, an LED display screen 224 and loudspeakers 225, the alarm 223 and the LED display screen 224 are both arranged 100 m-200 m away from a tunnel portal, one of the several loudspeakers 225 may be arranged near the alarm 223 and the LED display screen 224, and other loudspeakers are arranged in a tunnel, the specific number may be determined according to actual conditions, an output end of the wireless signal reception module 222 is wirelessly in signal transmission with an input end of the controller 221, and an output end of the controller 221 is electrically connected to input ends of the alarm 223, the LED display screen 224 and the loudspeakers 225 by means of wires.
[23] During use, several reinforcement meters 17 and stress gauges 18 are arranged at proper positions in the tunnel, the reinforcement meters 17 monitor stress changes of reinforcements in the tunnel in real time, the stress gauges 18 monitor stress changes of an inner wall of the tunnel in real time and transmit a detection result to the central processing unit 11, the central processing unit 11 transmits a signal to the data collection module 19 to sort data, the sorted data is transmitted to the data evaluation module 110 to evaluate the various data in real time, an evaluation result is transmitted to the central 4 processing unit 11 by means of the feedback module 16 meanwhile, the methane sensor LU501802 14 monitors the content of methane in the tunnel in real time and transmits a detected numerical value to the comparison module 15, and the comparison module 15 compares the detected numerical value with a set methane content threshold and transmits a comparison result to the central processing unit 11 by means of the feedback module 16.
[24] Under the condition that the reinforcement meters 17 and the stress gauges 18 detect that stress of the reinforcement or the inner wall of the tunnel changes obviously, or a detected methane content value is larger than the set methane content threshold, the central processing unit 11 directly transmits a signal to the remote early warning module 21 and the tunnel portal warning module 22 by means of the wireless signal sending module 13, and after receiving the signal, the wireless signal transceiving module 211 in the remote early warning module 21 directly sends an early warning signal to the intelligent terminal 212 to remind a worker of timely handling.
[25] The worker determines a possible dangerous situation according to the early warning signal and sends speech information out by means of the intelligent terminal 212, the signal is transmitted to the tunnel portal warning module 22 by means of the wireless signal transceiving module 211, in such a case, the wireless signal reception module 222 receives two signals sent from the real-time monitoring unit 1 and the remote early warning module 21 and transmits the two signals to the controller 221, the controller 221 controls the alarm 223 to give out a sound alarm according to the signals and controls the LED display screen 224 to show a character or image early warning prompt, and speech information, sent by the intelligent terminal 212, of the worker is played by the loudspeaker 225 to remind passing vehicles to leave in time.
[26] In the working process, the power source module 3 supplies power to the real-time monitoring unit 1 and charges the standby power source module 4, the standby power source module 4 is automatically powered off after being fully charged, the circuit self-check module 12 automatically monitors a running state of a circuit and transmits a detection result to the central processing unit 11 in real time, when the circuit breaks down or is powered off, the circuit self-check module 12 transmits a signal to the central processing unit 11 by means of pulses, the central processing unit 11 controls the standby power source module 4 to be started to energize the real-time monitoring unit 1, and transmits circuit fault or power failure information to the remote early warning module 21 by means of the wireless signal sending module 13 to remind the worker of overhauling the circuit in time.
Claims (3)
1. A tunnel disaster early-warning system for a coal-rich rock stratum with gas, comprising a real-time monitoring unit (1) and an early warning unit (2), wherein an input end of the real-time monitoring unit (1) is electrically connected to an output end of a power source module (3) by means of a wire, the output end of the power source module (3) is electrically connected to an input end of a standby power source module (4) by means of a wire, and an output end of the standby power source module (4) is electrically connected to the input end of the real-time monitoring unit (1) by means of a wire; the real-time monitoring unit (1) comprises a central processing unit (11), an output end of the central processing unit (11) is electrically connected to the input end of the standby power source module (4) by means of a wire, an input end of the central processing unit (11) is electrically connected to an output end of a circuit self-check module (12) by means of a wire, and the output end of the central processing unit (11) is electrically connected to an input end of a wireless signal sending module (13) by means of a wire; and the early warning unit (2) comprises a remote early warning module (21) and a tunnel portal warning module (22).
2. The tunnel disaster early-warning system for a coal-rich rock stratum with gas according to claim 1, wherein an output end of the wireless signal sending module (13) is wirelessly in signal transmission with input ends of the remote early warning module (21) and the tunnel portal warning module (22), and an output end of the remote early warning module (21) is wirelessly in signal transmission with the input end of the tunnel portal warning module (22).
3. The tunnel disaster early-warning system for a coal-rich rock stratum with gas according to claim 1, wherein the output end of the central processing unit (11) is electrically connected to an input end of a methane sensor (14) by means of a wire, an output end of the methane sensor (14) is electrically connected to an input end of a comparison module (15) by means of a wire, an output end of the comparison module (15) is electrically connected to an input end of a feedback module (16) by means of a wire, and the output end of the central processing unit (11) is electrically connected to the input end of the comparison module (15) by means of a wire. 1
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| LU501802A LU501802B1 (en) | 2022-04-05 | 2022-04-05 | Tunnel disaster early-warning system for coal-rich rock stratum with gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| LU501802A LU501802B1 (en) | 2022-04-05 | 2022-04-05 | Tunnel disaster early-warning system for coal-rich rock stratum with gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| LU501802B1 true LU501802B1 (en) | 2023-10-05 |
Family
ID=88244298
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| LU501802A LU501802B1 (en) | 2022-04-05 | 2022-04-05 | Tunnel disaster early-warning system for coal-rich rock stratum with gas |
Country Status (1)
| Country | Link |
|---|---|
| LU (1) | LU501802B1 (en) |
-
2022
- 2022-04-05 LU LU501802A patent/LU501802B1/en active IP Right Grant
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| Date | Code | Title | Description |
|---|---|---|---|
| FG | Patent granted |
Effective date: 20231005 |