CN216157717U - Coal mine safety monitoring system - Google Patents
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- CN216157717U CN216157717U CN202122294476.9U CN202122294476U CN216157717U CN 216157717 U CN216157717 U CN 216157717U CN 202122294476 U CN202122294476 U CN 202122294476U CN 216157717 U CN216157717 U CN 216157717U
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Abstract
The utility model discloses a coal mine safety monitoring system, which comprises at least one of an aboveground central station, an underground comprehensive substation, a sensor, a breaker, a card reader, an information miner lamp, a personnel identification card and a vehicle identification card; the underground comprehensive substation adopts a card insertion type design and comprises an underground safety monitoring module, an underground personnel positioning module, a back plate, an intelligent power supply, a liquid crystal display screen, an underground main control module and an underground switch module; the aboveground central station comprises a monitoring host and a monitoring standby machine. According to the embodiment, the safety monitoring function and the personnel positioning function are managed respectively or are integrated, the management capability of the coal mine safety monitoring system is improved, 2 sets of systems are not required to be built separately, and the building cost of the 2 sets of systems is reduced.
Description
Technical Field
The utility model relates to the technical field of safety monitoring, in particular to a coal mine safety monitoring system.
Background
The coal mine safety monitoring system is mainly used for monitoring underground methane concentration, carbon monoxide concentration, carbon dioxide concentration, oxygen concentration, wind speed, wind pressure, temperature, smoke, feed state, air door state, air window state, air duct state, local ventilator on-off, main ventilator on-off and the like of a coal mine, and realizing methane over-limit acousto-optic alarm, power-off, methane wind power locking control and the like.
The underground coal mine personnel positioning system mainly monitors the position of underground personnel and has the functions of monitoring, displaying, printing, storing, inquiring, alarming, managing and the like of card carrying personnel position and time, well entering/exiting time, key area entering/exiting time, limited area entering/exiting time, super-layer boundary crossing starting/stopping time, old goaf starting/stopping time approaching, coal and gas outburst dangerous area approaching starting/stopping time, impact ground pressure danger area approaching starting/stopping time, working time/detention time, underground and key area personnel number, underground personnel moving routes and the like.
In order to improve the accuracy, the sensitivity, the reliability, the stability and the easy maintenance of a coal mine safety monitoring system and enhance the safety guarantee capability of a coal mine, the national coal mine safety supervision agency releases 'technical scheme for upgrading and transforming the coal mine safety monitoring system' on 2016, 12, 29 days, and provides brand-new requirements for the coal mine safety monitoring system from thirteen aspects of transmission digitization, enhancement of electromagnetic interference resistance, popularization and application of advanced sensing technology and equipment, promotion of the protection level of a sensor, perfection of control functions such as alarming, power failure and the like, support of multi-network, multi-system fusion, format standardization, increase of self-diagnosis, self-evaluation function, enhancement of data application analysis, emergency linkage, promotion of system performance indexes, increase of encryption storage requirements, convenience of use, maintenance, training and the like.
The safety monitoring system in the prior industry mainly has the following defects: 1) the underground fusion of the safety monitoring service and the personnel positioning service is not supported; 2) the safety monitoring substation and the personnel positioning substation can not be completely fused; 3) and under the condition that the central station and the substations are disconnected, the substations cannot work independently.
SUMMERY OF THE UTILITY MODEL
The utility model provides a coal mine safety monitoring system, which solves the technical problem that the coal mine safety monitoring system in the prior art cannot integrate a safety monitoring function and a personnel positioning function, and realizes the functions of respectively managing or integrating the safety monitoring function and the personnel positioning function.
The utility model provides a coal mine safety monitoring system, which comprises at least one of an aboveground central station, an underground comprehensive substation, a sensor, an electrical breaker, a card reader, an information miner lamp, a personnel identification card and a vehicle identification card, wherein the aboveground central station is connected with the underground comprehensive substation and adopts industrial looped network communication, the underground comprehensive substation is connected with the sensor and adopts RS485 communication, the underground comprehensive substation is connected with the card reader and adopts CAN bus communication, the underground comprehensive substation is connected with the electrical breaker through a mine cable, the intrinsically safe information miner lamp carries out bidirectional communication with the card reader through a wireless communication mode, and the personnel identification card and the vehicle identification card carry out communication with the card reader through a wireless communication mode;
the underground comprehensive substation adopts a card-inserting type design and comprises an underground safety monitoring module, an underground personnel positioning module, a back plate, an intelligent power supply, a liquid crystal display screen, an underground main control module and an underground switch module, wherein the safety monitoring module and the personnel positioning module share the back plate, the intelligent power supply, the liquid crystal display screen, the underground main control module and the underground switch module;
the underground central station comprises a monitoring host and a monitoring standby machine, wherein the monitoring host and the monitoring standby machine are communicated with the underground safety monitoring module through an industrial looped network.
In the embodiment of the utility model, the underground main control module is connected with the safety monitoring module, the underground personnel positioning module and the underground switch module through the back plate, the back plate is provided with less than or equal to 7 functional slots, and the underground main control module is connected with the liquid crystal display screen through a flat cable.
In the embodiment of the utility model, RS485 signals acquired by the underground main control module and the underground safety monitoring module are sent to the underground switch module, and are subjected to photoelectric conversion by the underground switch module and then are transmitted to the outside.
In the embodiment of the utility model, the underground comprehensive substation is connected with the intelligent power supply through a 14-core mining cable, the intelligent power supply is directly connected with other substations of the underground comprehensive substation, the sensor, the breaker, the card reader and the broadcasting terminal and supplies power, or the underground comprehensive substation is connected with the underground comprehensive substation and other substations, the sensor, the breaker, the card reader and the broadcasting terminal through the mining cable passing through the horn mouth and supplies power.
In the embodiment of the utility model, the communication cables of the intelligent power supply, the sensor and the breaker are connected to the underground comprehensive substation through the horn nozzle, and the communication cables are connected to the wiring rows on two sides in the box body of the underground comprehensive substation.
In the embodiment of the utility model, the underground main control module acquires data of the intelligent power supply through 1 path of RS485, the underground safety monitoring module acquires data of the sensor through 2 paths of RS485, the sensor is a digital signal sensor, and the underground personnel positioning module is externally connected with less than or equal to 4 card readers through the CAN bus.
In the embodiment of the utility model, the underground comprehensive substation adopts 2 paths of RS485 for communication, each path of RS485 can be connected with less than or equal to 13 pieces of communication equipment of RS485, and the communication equipment of RS485 comprises 8 sensors, 4 breakers and 1 audible and visual alarm.
In an embodiment of the utility model, the wired communication distance between the underground comprehensive substation and the card reader is less than or equal to 2 km;
the wireless communication distance among the underground comprehensive substation, the card reader, the personnel identification card and the vehicle identification card is smaller than or equal to 400m, wherein the underground comprehensive substation is communicated with the personnel identification card in a radio frequency communication mode, and the communication distance is smaller than or equal to 250 m.
In the embodiment of the utility model, each path of the communication port of the underground comprehensive substation can be connected with less than or equal to 3 intelligent power supplies, and when the alternating current is powered off, the underground comprehensive substation can work for 4 hours in cooperation with the power supply box.
In an embodiment of the utility model, the card reader is an intrinsic safety type card reader, and the information mine lamp is an intrinsic safety type information mine lamp.
One or more embodiments of the present invention may have the following advantages over the prior art:
the utility model constructs the center station on the well and the comprehensive substation under the well, and arranges the sensor, the breaker, the card reader, the information miner lamp and the identification card, all parts are connected or communicated in a wired or wireless way, the underground comprehensive substation adopts the card-inserting type design, so that the underground safety monitoring module and the underground personnel positioning module can be arranged in the same substation, and the aboveground central station is provided with management software which can respectively manage or integrate the functions of the aboveground central station and the aboveground central station, so that the hardware support and the software support are combined together, thereby realized that safety monitoring function and personnel locate function manage respectively or fuse function between them, promoted coal mine safety monitoring system's managerial ability, promoted coal mine managerial efficiency, need not 2 sets of systems and separately builds, reduced the quantity of downhole equipment, reduced the equipment maintenance work load to the cost of building of 2 sets of systems of deployment has been reduced.
Additional features and advantages of the utility model will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the utility model. The objectives and other advantages of the utility model will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:
FIG. 1 is a schematic diagram of a logical framework of main components of a coal mine safety monitoring system according to embodiment 1 of the present invention;
fig. 2 is a logic framework diagram of main components of the underground integrated substation of the coal mine safety monitoring system according to embodiment 1 of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the following detailed description of the present invention with reference to the accompanying drawings is provided to fully understand and implement the technical effects of the present invention by solving the technical problems through technical means. It should be noted that, as long as there is no conflict, the embodiments and the features of the embodiments of the present invention may be combined with each other, and the technical solutions formed are within the scope of the present invention.
First embodiment
FIG. 1 is a schematic diagram of a logical framework of main components of a coal mine safety monitoring system according to the embodiment;
fig. 2 is a schematic logic framework diagram of main components of the underground comprehensive substation of the coal mine safety monitoring system in the embodiment.
The embodiment provides a coal mine safety monitoring system which comprises at least one of an aboveground central station, an underground comprehensive substation, a sensor, a breaker, a card reader, an intrinsic safety type information miner lamp, a personnel identification card and a vehicle identification card, and further comprises system software which is management software for respectively managing or fusing a safety monitoring function and a personnel positioning function.
The underground comprehensive substation is connected with a card reader and communicates by a CAN bus, the underground comprehensive substation is connected with a breaker by a mining cable, the intrinsic safety type information mining lamp is in two-way communication with the card reader in a wireless communication mode, and a personnel identification card and a vehicle identification card are in communication with the card reader in a wireless communication mode;
specifically, in the embodiment, the underground comprehensive substation acquires underground environment information including underground methane concentration, carbon monoxide concentration, carbon dioxide concentration, oxygen concentration, wind speed, wind pressure, temperature, smoke condition, feed state, air door state, air window state, air duct state, local ventilator start-stop state, main ventilator start-stop state and the like by adopting RS485 communication through sensors, the underground comprehensive substation acquires various information and then realizes methane overrun acousto-optic alarm through installed system software, the underground comprehensive substation is connected with a breaker through a mine cable, and the breaker is controlled by the system software to realize power failure and methane wind power locking control functions; in addition, the card reader communicates with the personnel identification card and the vehicle identification card through a wireless communication mode to acquire the positioning information of personnel and vehicles, the underground comprehensive substation communicates with the card reader through a CAN bus mode to acquire the real-time positions of the personnel and the vehicles in the card reader, and acquires the positions and the moments of the personnel or the vehicles carrying the cards, the well entry/exit moments, the key area entry/exit moments, the limited area entry/exit moments, the super-layer boundary crossing start/stop moments, the old-zone-approaching start/stop moments, the coal and gas outburst danger zone approaching start/stop moments, the impact-impact, the underground central station is connected with the underground comprehensive substation, the Ethernet ring network communication in the industrial ring network is adopted to acquire all information in the underground comprehensive substation, and corresponding measures are taken according to all the information, so that the management of respectively managing or fusing the safety monitoring function and the personnel positioning function is realized.
Specifically, in this embodiment, the above-ground central station includes a monitoring host, a monitoring backup, and a database cluster server, where the monitoring host and the monitoring backup communicate with the downhole safety monitoring module through an industrial ring network, and in one implementation, the database cluster server may be built in 3 monoogodb database cluster modes, and the database cluster server may be built in a master-slave mode, and a master database node and a slave database node in the database cluster server may automatically synchronize service data, so that when a master database node fails, the database cluster server may automatically switch to the slave database node, thereby implementing seamless switching of data reading and writing.
The underground central station also comprises system software, wherein the system software is management software for respectively managing or fusing a safety monitoring function and a personnel positioning function, the system software applies a UWB ultra-wideband high-precision positioning technology and adopts a TOA algorithm for positioning, the positioning precision is high, and the coverage distance is long. Further, in the present embodiment, the positioning accuracy of the system software is greater than or equal to 0.3 meter. The system software is installed in the monitoring host and the monitoring standby machine, and the database cluster server is used for storing various data and calling the monitoring host and the monitoring standby machine.
Specifically, in this embodiment, synthesize the substation in the pit and adopt the plug-in card formula design, including safety monitoring module in the pit, personnel's orientation module in the pit, backplate, intelligent power, liquid crystal display, host system in the pit, switch module in the pit, safety monitoring module and personnel's orientation module share backplate, intelligent power, liquid crystal display, host system in the pit, switch module in the pit.
Specifically, in this embodiment, synthesize each module partial shipment of substation in the pit on case lid and box, host system passes through the backplate with safety monitoring module, personnel positioning module in the pit, switch module in the pit and is connected, and further, the backplate is provided with and is less than or equal to 7 function slots, and host system passes through the winding displacement with liquid crystal display in the pit and is connected.
In this embodiment, the underground integrated substation is connected to the intelligent power supply through a 14-core mining cable, and the intelligent power supply is directly connected to and supplies power to other substations, sensors, breakers, card readers and broadcast terminals of the underground integrated substation, or the underground integrated substation is connected to the underground integrated substation through a horn nozzle by the mining cable and then supplies power to the corresponding connection terminals of the other substations, sensors, breakers, card readers and broadcast terminals. In this embodiment, the communication cables of the intelligent power supply, the sensor and the breaker are connected to the underground comprehensive substation through the horn nozzle, and the communication cables are connected to the wiring rows on two sides in the box body of the underground comprehensive substation.
In this embodiment, each path of the communication port of the underground comprehensive substation can be connected with less than or equal to 3 intelligent power supplies, and when the alternating current is powered off, the underground comprehensive substation can work for 4 hours in cooperation with the power supply box.
In the embodiment, the underground main control module acquires data of the intelligent power supply through the 1-path RS485, the underground safety monitoring module acquires data of the sensor through the 2-path RS485 acquisition ports, the sensor is a digital signal sensor,
in this embodiment, the downhole integrated substation is provided with 2 paths of RS485 communication ports to communicate with lower-level equipment, each path of RS485 communication equipment can be connected with less than or equal to 13 pieces of RS485 communication equipment, and the RS485 communication equipment comprises 8 sensors, 4 breakers and 1 audible and visual alarm.
In this embodiment, the RS485 signals collected by the downhole main control module and the downhole safety monitoring module are sent to the downhole switch module, and then are transmitted to the outside after being subjected to photoelectric conversion by the downhole switch module.
In this embodiment, the downhole integrated substation is provided with a CAN bus interface connected with a card reader for personnel positioning, the downhole personnel positioning module is externally connected with less than or equal to 4 card readers through a CAN bus, and further, the wired communication distance between the downhole integrated substation and the card readers is less than or equal to 2 km.
In this embodiment, the card reader receives the wireless personnel code signal sent by the identification card, makes a "group call" to all identification cards in the signal coverage area, makes a "paging" to a certain identification card in the signal coverage area, and performs distance measurement and accurate positioning with the identification card. The wireless communication distance between the underground comprehensive substation and the card reader and between the personnel identification card and the vehicle identification card is less than or equal to 400m, manual intervention is not needed in identification work, and the underground comprehensive substation and the card reader can work in various severe environments. The underground comprehensive substation is communicated with the personnel identification card in a radio frequency communication mode, and the communication distance is less than or equal to 250 m.
The underground comprehensive substations can communicate with each other through an industrial ring network, and the comprehensive substations store various configuration strategies including alarming, power failure and the like issued by an underground central station. In this embodiment, when the communication between the above-ground central station and the underground integrated substation is interrupted, the underground integrated substation can still work independently to complete operations such as alarming and power off at different places, and after the communication is recovered to normal, the underground integrated substation can supplement the stored data and then transmit the data to the above-ground central station.
In this embodiment, the intrinsically safe information miner lamp has the functions of positioning and lighting, unique ID number, general identification card function, emergency help seeking, evacuation prompt, call prompt, audible and visual alarm, battery under-voltage indication and the like, and is capable of ranging and accurately positioning with a card reader. And wireless two-way communication is carried out with the card reading substation and the card reader. In case of emergency, an emergency help-seeking signal can be transmitted to a ground monitoring center, and the ground can save the emergency help-seeking signal.
The personnel identification cards are IP65 protection grade products, and even under the underground severe weather conditions of a mine, besides artificial damage, the personnel identification cards can ensure high reliability of the products and can ensure absolute correctness of emission and transmission of personal positions.
The vehicle identification card may be installed in a downhole vehicle, powered using locomotive input DC 9-24V.
The coal mine safety monitoring system of the embodiment has the following advantages:
1) the system simultaneously provides a safety monitoring service function and a personnel positioning service function, and realizes the underground fusion of safety monitoring and personnel positioning through the underground comprehensive substation. The underground comprehensive substation comprises a safety monitoring module and a personnel positioning module, and the two modules share a back plate, a main control board and a power supply, so that underground emergency linkage can be performed. When the safety monitoring module gives an important alarm, the safety monitoring module can immediately inform the personnel positioning module to give an audible and visual alarm, so that the alarm efficiency is improved.
2) The system can realize deployment in three modes through configuration, which are respectively as follows: the system comprises an independent safety monitoring system, an independent personnel positioning system and a system integrating safety monitoring and personnel positioning.
3) The deployment of the underground comprehensive substation can greatly reduce the deployment and maintenance workload of underground equipment. The space occupied by the underground comprehensive substation equipment, the power supply, the connecting cables and the like are combined into one system by two original systems.
4) The system software is management software integrating safety monitoring and personnel positioning services, and safety monitoring service data and personnel positioning service data can be monitored simultaneously in one set of software.
5) Under the condition that the network of the underground comprehensive substation is disconnected with the aboveground central station, the underground comprehensive substation can independently work to complete operations such as alarming, power off at different places and the like. And after the communication is recovered to be normal, the underground comprehensive substation can supplement and transmit the stored data to the aboveground central station.
6) The underground monitoring substation is internally provided with the switching module, and can realize networking in various modes without independently configuring an exchanger, so that the system is flexible to arrange.
7) The underground comprehensive substation adopts a plug-in card type design, 7 functional slots are designed on a back plate, and a main control module, a safety supervision module, a personnel positioning module and a switch module can be installed. Different numbers of safety supervision modules and personnel positioning modules can be configured according to the needs.
In summary, in the embodiment, an aboveground central station and an underground comprehensive substation are constructed, and a sensor, a breaker, a card reader, an information miner lamp and an identification card are arranged, wherein all parts are connected or communicated in a wired or wireless manner, and the underground comprehensive substation adopts a card insertion type design, so that an underground safety monitoring module and an underground personnel positioning module can be installed in the same substation, and management software capable of respectively managing or fusing the functions of the underground safety monitoring module and the underground personnel positioning module is installed in the aboveground central station, so that hardware support and software support are combined together, the functions of respectively managing or fusing the safety monitoring function and the personnel positioning function are realized, the management capability of a coal mine safety monitoring system is improved, the coal mine management efficiency is improved, 2 sets of systems are not required to be separately built, and the building cost of 2 sets of systems is reduced.
Although the embodiments of the present invention have been described above, the above description is only for the convenience of understanding the present invention, and is not intended to limit the present invention. It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the utility model as disclosed, and that the scope of the utility model is not to be limited to the particular embodiments disclosed herein but is to be accorded the full scope of the claims.
Claims (10)
1. A coal mine safety monitoring system is characterized in that,
the underground comprehensive substation is connected with the card reader and is communicated by a CAN bus, the underground comprehensive substation is connected with the breaker by a mine cable, the information mining lamp is in two-way communication with the card reader by a wireless communication mode, and the personnel identification card and the vehicle identification card are in communication with the card reader by a wireless communication mode;
the underground comprehensive substation adopts a card-inserting type design and comprises an underground safety monitoring module, an underground personnel positioning module, a back plate, an intelligent power supply, a liquid crystal display screen, an underground main control module and an underground switch module, wherein the safety monitoring module and the personnel positioning module share the back plate, the intelligent power supply, the liquid crystal display screen, the underground main control module and the underground switch module;
the above-well central station comprises a monitoring host and a monitoring standby machine, wherein the monitoring host and the monitoring standby machine are communicated with the underground safety monitoring module through the industrial ring network.
2. The system of claim 1, wherein the downhole main control module is connected with the safety monitoring module, the downhole personnel positioning module and the downhole switch module through the back plate, the back plate is provided with less than or equal to 7 functional slots, and the downhole main control module is connected with the liquid crystal display screen through a flat cable.
3. The system of claim 2, wherein the RS485 signals collected by the downhole main control module and the downhole safety monitoring module are sent to the downhole switch module, and then are subjected to photoelectric conversion by the downhole switch module and then are transmitted to the outside.
4. The system according to claim 1, wherein the downhole integrated substation is connected with the intelligent power supply through a 14-core mining cable, the intelligent power supply is directly connected with and supplies power to other substations of the downhole integrated substation, the sensor, the breaker, the card reader and the broadcasting terminal, or the downhole integrated substation is connected with the corresponding connection terminals of the downhole integrated substation, the other substations, the sensor, the breaker, the card reader and the broadcasting terminal through a horn mouth by using the mining cable for supplying power.
5. The system of claim 4, wherein the communication cables of the intelligent power supply, the sensor and the breaker are connected to the underground comprehensive substation through the horn nozzle, and the communication cables are connected to wiring rows on two sides in a box body of the underground comprehensive substation.
6. The system of claim 3, wherein the downhole master control module collects data of the intelligent power supply through 1 RS485, the downhole safety monitoring module collects data of the sensor through 2 RS485, the sensor is a digital signal sensor, and the downhole personnel positioning module is externally connected with less than or equal to 4 card readers through the CAN bus.
7. The system of claim 6, wherein the downhole integrated substation uses 2 RS485 channels for communication, each channel can be connected with less than or equal to 13 RS485 communication devices, and the RS485 communication devices comprise 8 sensors, 4 circuit breakers and 1 audible and visual alarm.
8. The system of claim 6,
the wired communication distance between the underground comprehensive substation and the card reader is less than or equal to 2 km;
the wireless communication distance among the underground comprehensive substation, the card reader, the personnel identification card and the vehicle identification card is smaller than or equal to 400m, wherein the underground comprehensive substation is communicated with the personnel identification card in a radio frequency communication mode, and the communication distance is smaller than or equal to 250 m.
9. The system of claim 6, wherein each path of the communication port of the downhole integrated substation can be connected with less than or equal to 3 intelligent power supplies, and when the alternating current is cut off, the downhole integrated substation can work for 4 hours again in cooperation with the power supply box.
10. The system of claim 1, wherein the card reader is an intrinsically safe card reader and the information mine lamp is an intrinsically safe information mine lamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122294476.9U CN216157717U (en) | 2021-09-22 | 2021-09-22 | Coal mine safety monitoring system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122294476.9U CN216157717U (en) | 2021-09-22 | 2021-09-22 | Coal mine safety monitoring system |
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| CN216157717U true CN216157717U (en) | 2022-04-01 |
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| CN202122294476.9U Active CN216157717U (en) | 2021-09-22 | 2021-09-22 | Coal mine safety monitoring system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115324649A (en) * | 2022-07-26 | 2022-11-11 | 陕西延长石油矿业有限责任公司 | Intelligent monitoring system for shaft drilling machine |
| CN116343381A (en) * | 2022-12-28 | 2023-06-27 | 镇江中煤电子有限公司 | System and method for identifying uniqueness of entry of mine personnel |
-
2021
- 2021-09-22 CN CN202122294476.9U patent/CN216157717U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115324649A (en) * | 2022-07-26 | 2022-11-11 | 陕西延长石油矿业有限责任公司 | Intelligent monitoring system for shaft drilling machine |
| CN116343381A (en) * | 2022-12-28 | 2023-06-27 | 镇江中煤电子有限公司 | System and method for identifying uniqueness of entry of mine personnel |
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