CN115324649A - Intelligent monitoring system for shaft drilling machine - Google Patents

Abstract

The invention provides an intelligent monitoring system for a shaft drilling machine, and relates to the technical field of safety monitoring management. The system comprises a ground central station and substations; the ground central station is accessed to the integrated platform of the safety production comprehensive monitoring system through a data uploading terminal; the central station communication host of the ground central station continuously communicates with each substation in turn, each substation continuously detects, transforms and processes each received sensor signal and waits for the inquiry of the host so as to send the detected parameters to the ground. The ground central station is interconnected with the underground substations through the industrial looped network mining optical cables, so that the safety and reliability of information are ensured, parameters and equipment influencing safety production in a mine production environment can be automatically detected and locked, centralized display, alarm, record, automatic report forms and the like are performed on a computer of the ground central station, and danger analysis and prediction are performed, so that the safety and automation level of the shaft building of the mine shaft are improved.

Description

An Intelligent Monitoring System for Vertical Shaft Drilling Rig

technical field

The invention relates to the technical field of safety monitoring and management, in particular to an intelligent monitoring system for a shaft drilling rig.

Background technique

According to Article 487 of the current "Coal Mine Safety Regulations" (2016 Edition), all mines must be equipped with a mine safety monitoring system. According to Article 489 of the current "Coal Mine Safety Regulations" (2016 Edition) and the requirements of "General Technical Requirements for Coal Mine Safety Monitoring System" (AQ6201-2019), the selection of the safety monitoring system complies with the following principles: the system equipment must comply with the "Coal Mine Safety Monitoring System General Technical Requirements" (AQ6201-2019), after passing the joint inspection of a qualified inspection and inspection agency authorized by the State Coal Mine Safety Supervision Bureau, it has obtained the "MA Mark Permit" for the safety mark of coal mine products. Coal mine safety monitoring equipment used in explosive environments must also pass the explosion-proof inspection of a testing agency certified by the State Bureau of Technical Supervision.

In the process of coal mine production, because each system is independent of each other, the functions of personnel in each system are different, and the information obtained is different. In the process of information transmission, information needs to be transmitted to multiple levels. The efficiency of information transmission is low, and it cannot be timely when abnormalities occur. If it is communicated to the management personnel, it is impossible to effectively deal with the incidents in time, which increases the production risk, and the safety and automation level of mine production need to be improved.

Contents of the invention

Aiming at the deficiencies of the prior art, the present invention provides an intelligent monitoring system for shaft drilling rigs, which ensures the safety and reliability of information, adopts an independent networking mode, and independently builds a 1000Mbit Ethernet ring network, which has nothing to do with the industrial Ethernet ring network of the comprehensive monitoring system for mine production. The ground central station is interconnected with the upper and lower sub-stations through the industrial ring network mining optical cable, which can automatically detect and block control the parameters and equipment that affect safe production in the mine production environment, and perform centralized display and alarm on the computer of the ground central station , records and automatic reports, etc., and conduct risk analysis and prediction to improve the safety and automation level of mine production.

In order to achieve the above objectives, the present invention is realized through the following technical solutions: an intelligent monitoring system for shaft drilling rigs, including a ground central station and substations;

The ground central station is connected to the integration platform of the integrated safety production monitoring system through the data upload terminal, and has the function of uploading real-time monitoring data to the integrated platform of the integrated safety production monitoring system;

The central station communication host of the ground central station continuously takes turns to communicate with each of the substations. After each substation receives an inquiry from the central station communication host, it immediately sends the measured points received by the substation to The signal is transmitted to the central station communication host; each substation continuously detects, transforms and processes the received sensor signals, and waits for the inquiry of the central station communication host at all times, so as to send the detected parameters to the ground Central station; when it is necessary to control the underground equipment, the communication host of the central station will transmit the control command and the inspection signal of the substation to the substation, and the output of the substation will control the equipment through the remote switch; the monitoring host will The received real-time signal is processed and saved, and can be displayed.

Preferably, the ground central station is provided with one data upload terminal separately, and the monitoring system software of the data upload terminal is connected to the integration platform of the safety production comprehensive monitoring system through OPC or FTP, and has the ability to provide information to the safety production comprehensive monitoring system The monitoring system integration platform has the function of uploading real-time monitoring data.

Preferably, the substation includes a power protection module, a data processing module, a storage module, a backup power supply, an alarm module, a display module, and a sensing module, and the power protection module, a storage module, a backup power supply, an alarm module, a display module, The sensing modules are all connected to the data processing module;

The power supply protection module has an initialization parameter power-off protection function, and the initialization parameters will not be lost after the substation is powered off; after the grid power failure, the substation is under full load, and the backup power supply is continuously powered for more than 4 hours; the data processing module and the storage module have logic respectively. Judgment, data processing function and storage function; when the substation and the ground host are offline, they can work independently and realize all the original functions; when the monitoring host or the system cable fails and the communication between the substation and the monitoring host is interrupted, the storage The module should save the monitoring data of not less than 4 hours. When the system resumes normal communication, the monitoring data should be sent back to the host; the alarm module has the functions of display alarm and output control; the substation is intrinsically safe, and the analog and digital quantities can be switched to each other ; Real-time monitoring of substation power supply can be realized; maintenance and repair are convenient, and relevant data and fault types can be displayed on the spot through the display module; the sensing module includes various sensors set underground, and the sensing module is Connect to each substation, and communicate with the ground central station through the special ring network for underground safety monitoring.

Preferably, the various sensors installed downhole include wellbore pressure sensors, temperature and humidity sensors, drill pipe pressure sensors, mud pH value sensors, and mud viscosity sensors.

Preferably, the integration platform of the safety production comprehensive monitoring system includes a safety monitoring and monitoring system, and the safety monitoring and monitoring system adopts a coal mine digital safety monitoring system. The Ethernet ring network has nothing to do with the industrial Ethernet ring network of the mine production comprehensive monitoring system. The ground central station is connected to the underground substations through the industrial ring network mine optical cable. Carry out automatic detection and block control, and perform centralized display, alarm, record and automatic report on the computer of the ground central station, and carry out risk analysis and prediction to improve the safety and automation level of mine production. A safety monitoring system for the safety signs of mining products, and configure corresponding equipment according to regulations.

Preferably, it also includes an underground personnel management system. The underground personnel management system is configured with 2 monitoring hosts, dual-machine hot backup, one working and one hot standby. The monitoring host provides an Ethernet electrical port, and the monitoring host software should pass OPC Or FTP access to the mine comprehensive monitoring integration platform; the main transmission network of the underground personnel management system uses the special industrial ring network of the mine safety monitoring system as the transmission trunk line; each underground positioning sub-station is connected to the dedicated ring network switch of the mine safety monitoring system nearby, which can realize on-site The operator management system, the mine safety monitoring system, and the broadcasting system realize the integration and emergency linkage of the ground and drilling rig intelligent control systems.

The invention provides an intelligent monitoring system for a shaft drilling rig. Has the following beneficial effects:

The present invention communicates with each substation continuously in turn through the central station communication host of the ground center station, and each substation immediately transmits the signals of each measuring point received by the substation to the host after receiving the inquiry from the host. Each substation continuously detects, transforms and processes the received sensor signals, and waits for the inquiry of the host at all times, so as to send the detected parameters to the ground; The signals are transmitted to the sub-station together, and the output of the sub-station controls the equipment through the remote switch; the monitoring host processes and saves the received real-time signal, and displays it through the local monitor, TV wall and other peripherals, and adopts an independent networking method , set up a 1000Mbit Ethernet ring network separately, and the ground central station is interconnected with the upper and lower sub-stations through the industrial ring network mining optical cable, which ensures the safety and reliability of information, and can automatically detect and block the parameters and equipment that affect safe production in the mine production environment Control, and perform centralized display, alarm, record and automatic report on the computer of the ground central station, and carry out risk analysis and prediction to improve the safety and automation level of mine production.

Description of drawings

Fig. 1 is the network topological diagram of the present invention and superior safety supervision bureau;

Fig. 2 is a system frame diagram of the present invention;

Fig. 3 is a schematic diagram of the substation structure of the present invention.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

Example:

As shown in Figures 1-3, an embodiment of the present invention provides an intelligent monitoring system for a shaft drilling rig, including a ground central station and substations;

The ground central station is connected to the integrated platform of the safety production comprehensive monitoring system through the data upload terminal, and has the function of uploading real-time monitoring data to the upper-level safety monitoring network center;

The central station communication host of the ground center station communicates with each substation continuously in turn. After each substation receives the inquiry from the host, it immediately transmits the signals of each measuring point received by the substation to the host. Each substation continuously detects, transforms and processes the received sensor signals, and waits for the inquiry of the host at all times, so as to send the detected parameters to the ground; The signals are transmitted to the substation together, and the output of the substation controls the equipment through the remote switch; the monitoring host processes and saves the received real-time signal, and displays it through the local display, TV wall and other peripherals.

The mine dispatch center is a primary load, not only has dual power supply from different bus sections of the 10kV power distribution room near the mine, but also must be equipped with a UPS power supply with excellent performance. The present invention is equipped with an independent UPS power supply at the center station on the ground. Under normal circumstances, the power supply provided by the special distribution box of the dispatching center supplies power for computer equipment through the UPS and charges the UPS backup battery at the same time; The power supply after UPS inversion ensures uninterrupted power supply to the safety monitoring equipment, ensures the reliability and quality of power supply, and ensures the safe operation of the safety monitoring equipment.

After the grid power failure, the uninterruptible power supply (UPS) guarantees the normal working time of the system for not less than 4 hours.

The host computer at the ground center station continuously communicates with each substation in turn. After each substation receives an inquiry from the host computer, it immediately transmits the signals of each measuring point received by the substation to the host computer. Each substation continuously detects, transforms and processes the received sensor signals (switching value, analog value), and waits for the query from the host at all times, so as to send the detected parameters to the ground. When it is necessary to control the underground equipment, the host sends the control command and the inspection signal of the substation to the substation, and the output of the substation controls the equipment through the remote switch. The monitoring host processes and saves the received real-time signals, and displays them through local monitors, TV walls and other peripherals. It can display various process simulation disks, measurement parameter tables, real-time or historical curves of various parameters, histograms, pie charts, etc. It can also print various reports through the printer, or draw various charts and curves through the plotter.

A separate data upload terminal is set up at the ground center station, and the monitoring system software is connected to the integrated platform of the safety production comprehensive monitoring system through OPC or FTP. The system has the function of uploading real-time monitoring data to the upper level security monitoring network center.

OPC (OLE for Process Control), OLE for process control, is an industry standard. File Transfer Protocol (File Transfer Protocol, FTP) is a set of standard protocols for file transfer on the network. It works on the seventh layer of the OSI model and the fourth layer of the TCP model, that is, the application layer. Instead of UDP, the client has to go through a "three-way handshake" process before establishing a connection with the server to ensure that the connection between the client and the server is reliable, and it is connection-oriented, providing a reliable guarantee for data transmission.

Central station equipment has reliable grounding devices and lightning protection devices. The host must run 24 hours without interruption. When the working host fails, the standby host will be put into work within 60s. The central station is powered by double circuits and is equipped with an online uninterruptible power supply of not less than 4h.

Host and terminal configuration: The ground central station of the mine safety monitoring system is equipped with 2 monitoring hosts, dual-machine hot backup, one working and one hot standby, and equipped with integrated servers, industrial core switches, firewalls, printers and other equipment, 24h uninterrupted run.

The configuration of the ground central station complies with Article 9 of the "Management Regulations for the Use of Coal Mine Safety Monitoring Systems and Testing Instruments" (AQ1029-2019).

Substation and transmission cable settings: According to the requirements of "General Technical Requirements for Coal Mine Safety Monitoring System" (AQ6201-2019), the sensor of the present invention is transmitted digitally to the substation to realize the digitization of the safety monitoring system. All sensors are digital sensors. The power supply time of the UPS backup power supply for the security monitoring system is 4h. The sensor protection level of the underground mining face is IP65.

Substation and explosion-proof power supply setting: substation has multiple functions: wind, electricity, gas blocking function and fault blocking function; initialization parameter power-down protection function; initialization parameters will not be lost after power failure of substation; Under the condition of full load of the station, the continuous power supply of the backup power supply is greater than 4 hours; the substation has logic judgment, data processing function and storage function; when the substation is offline with the ground host, it can work independently and realize all the original functions; When the monitoring host or system cable fails and the communication between the substation and the monitoring host is interrupted, the substation should save the monitoring data for not less than 4 hours. When the system resumes normal communication, the monitoring data should be sent back to the host; it has display alarm and output control functions ;The substation is intrinsically safe, and the analog and digital quantities can be switched each other; it can realize real-time monitoring of the power supply of the substation; it is convenient for maintenance and repair, and can display relevant data and fault types on the spot.

The substation setting of the embodiment of the present invention: a total of 40 KJF130 monitoring substations are set up underground; one KJF130 type is respectively set up on the ground central return air shaft, the north first return air shaft ventilator room, the main inclined shaft drive room, and the raw coal bunker Monitor substations. Another 10 are spared, so there are a total of 54 mine monitoring sub-stations. Various sensors installed underground are connected to each substation, and communicate with the ground central station through the special ring network for underground safety monitoring. When the substation is installed, the power supply must be taken from the power side of the controlled switch, and it is strictly prohibited to be connected to the load side of the controlled switch.

The underground substation should be installed in the air inlet tunnel or chamber with good support, no dripping water and no sundries, which is convenient for personnel to observe, debug, inspect and support. It can also be installed in the underground substation where it is convenient for the personnel on duty to observe. When installing, the support should be padded so that the distance from the roadway floor is not less than 0.3m.

Both underground substations and surface substations are mine intrinsically safe, with explosion-proof certificates, product inspection certificates and safety signs for coal mine products.

The installation location, installation method, and power cut-off range of the explosion-proof power supply in the embodiment of the present invention: the underground power distribution system has provided a special power supply circuit for the weak current system, and the power supply for the underground safety monitoring equipment is directly powered from 660V used by the substation. The explosion-proof power supply of the underground safety monitoring substation is installed in the underground main substation, the 11-panel substation, the 14-panel substation, the power distribution room of the 11-panel drainage pump room, the transportation lane of the 11217 intelligent fully mechanized mining face, 14201 Intelligent fully mechanized mining working face transportation lane, underground permanent refuge chamber, 11-panel and 14-panel permanent refuge chamber, and temporary refuge chambers of each working face are strictly prohibited to be set up within the scope of power outage, coal mining face, return air alley. The explosion-proof power supply is generally set in the roadway with no water spray and reliable roof support, and is powered by a mine-used explosion-proof and intrinsically safe DC regulated power supply. The scope of power outage is when the gas exceeds the limit, disconnect all non-intrinsically safe electrical equipment in the working face and its return air lane.

The power supply of the monitoring substation installed in the power outage area must be powered from outside the power outage area. The capacity of the backup power supply for the monitoring sub-station of the refuge chamber shall meet the requirement that the rated protection time shall not be less than 96 hours.

Transmission cable laying in the embodiment of the present invention: According to the requirements of "General Technical Requirements for Coal Mine Safety Monitoring System" (AQ6201-2019), the system backbone network should adopt industrial Ethernet. According to Article 489 of the 2016 edition of the "Coal Mine Safety Regulations", the main cable of the mine safety monitoring system should be divided into two, and enter the underground from different shafts. In order to ensure information security and reliability, the security monitoring system in this embodiment is independently networked and adopts the transmission architecture of "industrial Ethernet ring network + bus mode". The safety monitoring system lays two downhole optical cables respectively from the shaft of the main inclined shaft and the auxiliary inclined shaft. The system has lightning protection, and a lightning protector is installed at the entrance of the well cable.

The inspection period of the monitoring and monitoring system is not more than 20s, the distance between the main station and the substation is not less than 20km, and the longest distance between the substation and the sensor can reach 6km.

The main transmission cable of the safety monitoring system is the MGXTSV-8B mine communication optical cable, and the substation to the sensor is the MHYVR1×4×7/0.43 mine flame-retardant signal cable. The transmission cable used in the system complies with the MT818 standard.

In one embodiment, a comprehensive dispatching building is set up on the ground, with a dispatching command center and a data processing center inside, and an integrated intelligent mine management and control platform is configured. The integrated construction of the comprehensive monitoring platform realizes real-time, stable, and reliable collection, processing, and classified storage of multi-source heterogeneous data in the mine, and at the same time issues collaborative control commands in a timely manner through independent low-latency control commands. It is mainly used to realize the unified integration and scheduling management of mine environment and personnel monitoring information, "excavation, mining, machine, transportation, communication, selection" and other production and transportation information, and realize the integration and coordination of various real-time data in a set of platforms control. The platform provides unified and reliable basic data for applications such as upper-layer business processing, AI and big data analysis through the bus.

In one embodiment, a data upload terminal is separately set up at the ground central station, and the monitoring system software of the data upload terminal is connected to the integrated platform of the safety production comprehensive monitoring system through OPC or FTP, and has the ability to upload real-time monitoring to the upper-level safety monitoring network center. function of the data.

In one embodiment, the safety monitoring and monitoring system adopts the KJ95X coal mine digital safety monitoring system. In order to ensure the safety and reliability of information, the safety monitoring and monitoring system adopts an independent networking mode, and a 1000Mbit Ethernet ring network is formed separately, which is integrated with the comprehensive monitoring system for mine production. The Ethernet ring network has nothing to do with it. The ground central station is interconnected with the upper and lower substations through the industrial ring network mining optical cable MGXTSV-8B1. The safety monitoring and monitoring system automatically detects and locks the parameters and equipment that affect safe production in the mine production environment, and Perform centralized display, alarm, record and automatic report on the computer of the ground central station, and carry out risk analysis and prediction, so as to improve the safety and automation level of mine production, and select safety monitoring with coal mine product safety signs during design system, and configure the corresponding equipment according to regulations. Ground central station configuration: The ground central station is set in the mine production dispatching center, and the dispatching center adopts dual power supply for the primary load and has good grounding. The computer room of the dispatching center is dust-proof, fire-proof, and set up in a place far away from electromagnetic radiation interference. Configure 2 monitoring hosts, dual-machine hot backup, one working, one hot standby, and equipped with a firewall, 24h uninterrupted operation. When the working host fails, the backup host can be put into work within 60s. The monitoring host provides an Ethernet electrical port, and communicates with ground and underground substations through an independent industrial Ethernet ring network.

In one embodiment, the underground personnel management system is configured with 2 monitoring hosts, dual-machine hot backup, one working and one hot standby, the monitoring host provides an Ethernet electrical port, and the monitoring host software should be connected via OPC or FTP. Comprehensive monitoring and integration platform for entering the mine; the main transmission network of the underground personnel management system uses the industrial ring network dedicated to the mine safety monitoring system as the transmission trunk line; each positioning sub-station in the mine is connected to the dedicated ring network switch of the mine safety monitoring system nearby, which can realize the underground personnel management system Combined with the mine safety monitoring system and emergency broadcasting system, it realizes multi-system integration and emergency linkage between ground and underground systems.

In accordance with "Coal Mine Safety Regulations" (2016 Edition), "Coal Industry Mine Design Specifications" (GB50215-2015), "Coal Mine Underground Personnel Management System Use Management Specifications" (AQ1048-2007), "Coal Industry Mine Monitoring and Monitoring System Equipment Configuration Standards" "(GB50581-2020), in order to ensure the safety of the underground personnel and keep abreast of the current number and distribution of underground personnel, the present invention selects a set of KJ69J mine underground personnel precise positioning and management system. The system meets the requirements of the "Coal Industry Mine Monitoring and Monitoring System Equipment Configuration Standard" (GB 50581-2020), and all equipment has the MA certification mark.

This system can monitor the location of underground personnel, and has the monitoring, display, Printing, storage, query, alarm, management and other functions. This system has the function of vehicle positioning; it has the function of alarming abnormal states such as stranded people, stationary people, crossing boundaries and overcrowding. In order to avoid redundant construction, the vehicle positioning system is not set up separately, and the vehicle positioning system is realized by using the vehicle positioning function of the personnel position monitoring system. The vehicle positioning system and the personnel position monitoring system are the same system.

The system adopts the domestic leading UWB precise positioning technology to realize the precise positioning of underground personnel in a single base station (positioning accuracy is less than 0.5m), real-time personnel monitoring, track tracking, emergency alarm, emergency evacuation, attendance management and other functions.

Set up the underground personnel management system monitoring host in the mine production dispatching center, configure 2 monitoring hosts, dual-machine hot backup, one working and one hot standby. The monitoring host provides an Ethernet electrical port, and the monitoring system software should be connected to the integrated mine monitoring platform through OPC or FTP.

The main transmission network of the underground personnel management system uses the industrial ring network dedicated to the mine safety monitoring system as the transmission trunk line. Each positioning substation in the mine is connected to the dedicated ring network switch of the mine safety monitoring system nearby, which can realize the integration and emergency linkage of the underground personnel management system, the mine safety monitoring system, and the emergency broadcasting system.

The present invention does not separately set personnel positioning substations underground, and the system substations are shared with the location service system substations.

According to the number of registered workers in the mine (718 people), the number of management personnel (50 people) and considering the spare factor and other factors, the number of identification (location) cards for the underground personnel positioning system is designed to be 1000. According to the number of underground trackless rubber-tyred vehicles and considering the spare quantity, 110 vehicle identification (positioning) cards are designed and configured.

The wireless coverage radius of the underground positioning substation is not less than 100m.

In order to realize the unique detection function of the personnel who go down the well, a set of LED wellhead display system and a control host computer are designed to be installed at the wellhead of the auxiliary inclined shaft. The system can display the confirmation information such as the normal operation of the identification card, the relevant information of the cardholder, the total number of underground personnel, the total number of team personnel in each district and other important information. The LED display system should be able to continuously display 365d×24h. Equipped with 3 unique detection devices (security gates), 2 for the detection of personnel who go down the well, and 1 for the personnel of the well. The unique detection device (security gate) uses image recognition technology to realize the unique detection of people who go down the well.

In order to improve the modern management level of the mine, a set of mine industrial video monitoring system is equipped in the mine. The industrial video monitoring system has a strong intuitiveness, can be connected to the computer management network information layer, and is organically combined with other systems.

Preferably, the industrial video monitoring system is composed of terminal equipment (high-definition digital matrix, video server, optical transceiver), transmission optical cable and camera installed in the mine production dispatching center. Mine underground all use mine intrinsically safe network cameras to realize real-time image monitoring of production links such as underground mining and transportation; mine ground cameras use high-definition color network cameras to realize real-time image monitoring of mine ground production links; and use anti-lightning and strong electrical jamming technology. The industrial video monitoring system is networked separately, and the ground video 10G industrial ring network and the underground video 10G industrial ring network are respectively constructed. A total of 174 network cameras are installed in the industrial video monitoring system, including 142 in the ground office area and important places in the industrial site, and 32 low-light mining intrinsically safe cameras in the underground. The underground cameras all adopt integrated mine-used optical fiber network cameras, and the video optical signal is output, and the video signal is transmitted to the dispatching center through the underground ring network switch. The ground cameras all adopt optical fiber transmission. A high-definition digital system is adopted, and a digital matrix and video server are set up in the production dispatching center. The digital matrix synchronously transmits the original high-definition image signals to the large-screen projection system, and the video server adopts digital video compression technology to upload the signals to the comprehensive mine production monitoring system. Network, each network workstation can browse various video signals in real time through B/S mode. Set up a set of domestically leading bright high-definition LED small-pitch splicing display system in the mine production dispatching center to provide a centralized monitoring platform, information sharing platform, analysis and decision-making platform and dispatching command platform for the mine. Because all coal seams in this mine belong to Class I coal seams that are prone to spontaneous combustion, the belt conveyors in the underground main inclined shaft, belt conveyors in the north wing of No. 2 coal, belt conveyors in the south wing of No. 2 coal, and mining Areas that are prone to fire, such as the trough belt on the coal face, are equipped with mine-used infrared imaging cameras. In order to realize real-time monitoring and forecasting and early warning of underground fire areas.

The mine hydrogeological type is considered as complex, so a set of KJ117 mine hydrological real-time monitoring system is set up. The system is mainly used to automatically monitor and record the water pressure, water temperature, discharge hole flow, drainage ditch flow, and the water level and temperature of the constant observation hole on the coal mine underground. The network and information network realize the upload of hydrogeological information of coal mines and share them with higher authorities. The system has MA certification for the entire system.

The system has the functions of real-time dynamic observation, data analysis, early warning and alarm of mine hydrology for the main aquifer; it has the functions of real-time statistics, data analysis, early warning and alarm of water inflow during the recovery of the working face; it has the data of drainage system and dispatching communication system Sharing and linkage control functions.

The mine hydrological real-time monitoring system is mainly composed of ground central station, underground industrial Ethernet ring network, mine optical transceiver, underground monitoring sub-station, measured physical quantity sensor, underground explosion-proof power supply, etc.

The ground central station is located in the mine production dispatching center, equipped with one monitoring host, one 22-inch LCD color liquid crystal display, one database server, two ground transmission interfaces (one for use and one for standby), and one set of system software.

The monitoring host sends relevant instructions to the underground substation through the underground industrial Ethernet ring network, and the underground substation analyzes, confirms, executes relevant functions and uploads the data through the industrial Ethernet ring network to complete the data information exchange between the underground substation and the central station.

The underground monitoring sub-station is used for data collection and communication of the water pressure, temperature, and flow of the water discharge hole and the regular observation hole of the coal mine, as well as the flow of the roadway drainage ditch. Each substation simultaneously receives 1 to 10 sensors. Complete the collection, conversion, storage, and display of signals from channels 1 to 10; when the communication network fails, the substation can still operate independently.

The hydrological monitoring system includes a mine hydrological real-time monitoring system and a mine-wide intelligent spray dust suppression system. The mine hydrological real-time monitoring system adopts the KJ117 mine hydrological real-time monitoring system, which is mainly used to monitor the water pressure, water temperature, discharge hole flow, and drainage channels of the underground coal mine. The flow rate and the water level and temperature of the observation hole on the ground of the coal mine are automatically monitored and recorded. The real-time hydrological data is managed by the database, and the hydrogeological information of the coal mine is uploaded through the integrated mine automation network and information network, and shared with the superior department. The system has MA certification for the entire system. The mine hydrological real-time monitoring system has the functions of real-time dynamic observation, data analysis, early warning and alarm of mine hydrology for the main aquifer; it has the functions of real-time statistics, data analysis, early warning and alarm of water inflow during the mining of the working face; it has the functions of drainage system, scheduling Data sharing and linkage control functions of the communication system. The mine hydrological real-time monitoring system is mainly composed of ground central station, underground industrial Ethernet ring network, mine optical transceiver, underground monitoring sub-station, measured physical quantity sensor, underground explosion-proof power supply, etc. The ground central station is located in the mine production dispatching center, equipped with one monitoring host, one 22-inch LCD color liquid crystal display, one database server, two ground transmission interfaces (one for use and one for standby), and one set of system software. The monitoring host sends relevant instructions to the underground substation through the underground industrial Ethernet ring network, and the underground substation analyzes, confirms, executes relevant functions and uploads the data through the industrial Ethernet ring network to complete the data information exchange between the underground substation and the central station. The underground monitoring sub-station is used for data collection and communication of the water pressure, temperature, and flow of the water discharge hole and the regular observation hole of the coal mine, as well as the flow of the roadway drainage ditch. Each substation simultaneously receives 1 to 10 sensors. Complete the collection, conversion, storage, and display of signals from channels 1 to 10; when the communication network fails, the substation can still operate independently.

Because each coal seam in the mine has explosive hazards, a mine-wide intelligent spray dust suppression system was established to realize dust monitoring, data analysis, early warning and alarm.

The mine-wide intelligent spray dust suppression system integrates the dust online monitoring system and the automatic spray sprinkler control system, realizes online monitoring of the dust concentration, temperature and humidity in the coal mine underground, and realizes automatic linkage with the spray sprinkler device. The mine-wide intelligent spray dust suppression system integrates dust monitoring technology, infrared pyrolysis sensing technology, temperature and humidity sensing technology, etc., and realizes the linkage between dust and spray water curtain and remote monitoring, dust volume monitoring and statistical functions. Software to realize systematic remote monitoring and management. The system has data sharing and linkage control functions with the security monitoring system. It is designed to install dust sensors and electric control valves every 500m in the underground auxiliary transportation lane to realize 24-hour continuous detection of underground dust and realize linkage control with the fire sprinkler system. Thereby improving the harsh working environment of underground tunnels and protecting the physical and mental health of underground workers. The mine-wide intelligent spray dust suppression system reserves an Ethernet interface, and the communication protocol is OPC, which can be connected to the production comprehensive monitoring platform to realize data monitoring.

The mine pressure comprehensive monitoring system has data sharing and linkage control functions with the personnel positioning system and dispatching communication system. In order to prevent accidents such as roof fall, a set of wireless mine pressure comprehensive monitoring system is installed in this mine. The above-ground and underground equipment of the mine pressure comprehensive monitoring system include: ground monitoring server, mine-use intrinsically safe optical transceiver, mine-use intrinsically-safe pressure monitoring sub-station, working face wireless digital pressure gauge, wireless surrounding rock movement sensor, wireless mine It is composed of safety bolt (cable) stress sensor, wireless mining intrinsically safe laser range finder, flameproof and intrinsically safe power supply and communication cable, etc. The monitoring host provides an Ethernet electrical port, and the monitoring system software should be connected to the safety production comprehensive monitoring platform through OPC or FTP.

The ground center station of mine pressure comprehensive monitoring system is located in the mine production dispatching center, with one monitoring host, one 22-inch LCD color liquid crystal display, two ground transmission interfaces (one for use and one for standby), and one set of system software.

Wireless monitoring of roof mine pressure in fully mechanized mining face

The roof pressure monitoring of the 11217 and 14201 fully mechanized mining working faces in the underground are all considered by the intelligent fully mechanized mining face control system.

On-line monitoring of roadway roof separation layer:

In the 11217 working face roadway (each 4000m), arrange and install a separation layer measuring point every 100m, install it on the roof of the roadway, and consider adding 30 separation layer measurement points at the entrance of the roadway, beside the chamber or in the broken area of the roof, two A total of 90 separation layer measuring points (wireless transmission type surrounding rock movement sensors) are arranged in each roadway.

In the 14201 working face roadway (5500m each), arrange and install a separation layer measuring point every 100m, and install it on the roof of the roadway. It is also considered to add 30 separation layer measurement points at the entrance of the roadway, beside the chamber or in the broken area of the roof. A total of 130 separation layer measuring points (wireless transmission type surrounding rock movement sensors) are arranged in each roadway.

Wireless monitoring of roadway bolt stress:

A bolt/cable stress measuring point is arranged and installed every 100m in the roadway of the 11217 working face. Each anchor/cable stress measuring point monitors a roadway section. A total of 60 anchor/cable stress monitoring points are arranged in the two roadways.

A bolt/cable stress measuring point is arranged and installed every 100m in the roadway of the 14201 working face, each anchor/cable stress measuring point monitors a roadway section, and a total of 100 bolt/cable stress monitoring points are arranged in the two roadways.

The monitoring data is uploaded to the mine production dispatching center through the communication sub-station of the working face and the communication master station of the auxiliary transportation lane.

Mining roadway monitoring layout:

Bolt/cable stress sensors, surrounding rock movement sensors, roof and floor approach laser sensors and drilling stress sensors are arranged in the mining roadway for observation. Generally, a uniform arrangement is adopted, and the distance between the measuring stations is 50m (there is no strict requirement, (20-50)m spacing can be selected for the experimental roadway, key roadway or geological structure section) to arrange a group of bolt/cable stress sensors and surrounding rock movement sensors. At the measuring point, the sensors are arranged in pairs on the roof in the middle of the roadway. A group of mine-used intrinsically safe laser ranging sensors are arranged every (100-200) m to monitor the approaching amount of the roof and the bottom plate and the shrinkage of the two sides. In the fully mechanized mining face, one observation station is arranged in the initial mining stage (50-100) m of the auxiliary transportation channel, the normal mining stage and the final mining stage in the middle, and each station is arranged with 10 measuring points, which are respectively arranged in the auxiliary transportation channel. In the coal pillars and solid coal at the corresponding positions on both sides of the groove, observe the supporting stress distribution within 200m behind the corresponding working face.

The mine earthquake monitoring system adopts a set of KJ551 mine microseismic monitoring system. Monitoring and early warning of mine disasters such as mine earthquake, rock burst (rock burst), floor water inrush, roof water collapse, coal (mine) pillar rupture, etc. The mine earthquake monitoring system consists of ground host, on-site sensors, transmission network and monitoring software. Combined with the existing data of the coal mine, this mine is not a rock burst mine, and the microseismic system is mainly aimed at the auxiliary application of the hydrological monitoring system.

The present invention sets a set of mine power monitoring system in mine. The 110kV substation at the mine industrial site, the 35kV substation at the wind shaft site, the 10/0.4kV substations on the ground, and the underground substations are equipped with integrated microcomputer protection devices, which can realize the real-time collection of main power parameters of the station (station), Monitoring, control, protection and alarm functions, through the three-phase voltage, current and frequency parameters, real-time calculation of active power, reactive power and power factor, and through the communication interface equipment (power monitoring sub-station needs to be configured in the mine), use the comprehensive monitoring The system network is transmitted to the ground dispatching center, so that mine power dispatchers can keep abreast of the operating status of the main power equipment on the ground and underground. And according to the needs of production management, functions such as remote control, fixed value setting, signal reset, feed switch lock, and electric energy metering are realized.

At the same time, an underground anti-overstepping trip protection subsystem will be built and incorporated into the mine-wide power monitoring system to avoid overstepping trips and large-scale power outages, improve the reliability of the coal mine power supply network, and realize unattended substations.

On the basis of remote monitoring, inspection robots are installed in the ground 110kV substation, underground main substation, and panel substation. The inspection robot is equipped with multi-functional sensors to monitor visible light, infrared, ultraviolet, noise, and vibration, and accurately measure data such as main transformer vibration, temperature and humidity, and realize data linkage after integration with the previous remote monitoring system and video system. Realize intelligent operation.

Various sensors installed underground include methane sensor, wind speed sensor, carbon monoxide sensor, oxygen sensor, carbon dioxide sensor, temperature and humidity sensor, negative pressure sensor, smoke sensor, dust sensor, switch value sensor.

The mine ventilator intelligent monitoring system is used for information collection and program control of fan bearing temperature, damper position status, air duct air volume, negative pressure, and remote control of the fan. The online fan monitor is equipped with an Ethernet interface module, through industrial The Ethernet is connected to the ground industrial Ethernet of the mine comprehensive monitoring system, and the information of the ventilator room is uploaded to the mine production dispatching center to realize remote monitoring.

The underground drainage intelligent control system is connected to the ground industrial Ethernet of the mine production integrated monitoring system through the industrial Ethernet switch installed in the underground main drainage pump room, and uploads the information to the mine production dispatching center to meet the remote monitoring requirements and realize the underground water pump. The room is unattended;

The underground drainage intelligent control system includes several drainage monitoring subsystems. The drainage monitoring subsystems are respectively set up in the underground main drainage pump room, the 11-panel pump room and the disaster relief drainage pump room. The underground drainage intelligent control system also includes pressure sensors, negative pressure sensors, Flow sensor, liquid level sensor, submersible pump motor temperature protection sensor, motor inner chamber poor water protection sensor, dynamic and static insulation monitoring protection sensor.

The underground drainage intelligent control system can combine GIS, hydrogeological report, hydrological monitoring system and meteorological data to predict the mine water inflow, and arrange the start time and quantity of the main drainage pump in advance. During the normal water gushing period, 2 pumps are working, 2 are standby, and 1 is for maintenance; when the water gushing is maximum, 3 pumps work at the same time. If the water inflow exceeds the limit, the anti-disaster submersible pump will be automatically started, and the personnel in the dangerous area will be evacuated according to the disaster avoidance route according to the emergency plan.

Set up a set of drainage monitoring subsystems in the underground main drainage pump room, the 11-panel pump room and the disaster relief drainage pump room respectively. The drainage monitoring subsystem is equipped with PLC control station, on-site intelligent sensors, instruments and other equipment to realize the "three remote" control of drainage equipment. According to the change of underground water consumption, the linkage between the water distribution pump and the water level is optimized, and the automatic cycle operation is performed.

The main underground drainage control equipment is programmable logic controller PLC, combined with the pressure sensor installed on the outlet pipeline of the drainage pump, the negative pressure sensor on the vacuum pipeline, the flow sensor on the total outlet pipeline, and the liquid level sensor in the water tank , as well as submersible pump motor temperature protection, motor cavity poor water protection, dynamic and static insulation monitoring and protection sensors, etc., together constitute an intelligent control system for underground drainage.

The underground drainage intelligent control system is connected to the ground industrial Ethernet of the mine production integrated monitoring system through the industrial Ethernet switch installed in the underground main drainage pump room, and uploads the information to the mine production dispatching center to meet the remote monitoring requirements and realize the underground water pump. The room is unattended.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes, modifications and substitutions can be made to these embodiments without departing from the principle and spirit of the present invention. and modifications, the scope of the invention is defined by the appended claims and their equivalents.

Claims (6)

1. An intelligent monitoring system for shaft drilling rigs, characterized in that: it comprises a ground central station and a substation, the ground central station is connected with several substations through the central station communication host, and the ground central station is connected to the terminal through a data upload terminal. Into the safety production comprehensive monitoring system integration platform; The central station communication host of the ground central station continuously takes turns to communicate with each of the substations. After each substation receives an inquiry from the central station communication host, it immediately sends the measured points received by the substation to The signal is transmitted to the central station communication host; each substation continuously detects, transforms and processes the received sensor signals, and sends the detected parameters to the ground central station; when it is necessary to control the downhole equipment, the The central station communication host transmits the control command and the substation inspection signal to the substation, and the output of the substation is controlled by the remote switch; the monitoring host of the ground central station performs the real-time signal received Processing and saving, and can be displayed. 2. A kind of intelligent monitoring system for shaft drilling rig according to claim 1, characterized in that: said ground central station is provided with one said data upload terminal separately, and the monitoring system software of said data upload terminal is connected via OPC or FTP into the integration platform of the integrated safety production monitoring system, and has the function of uploading real-time monitoring data to the integrated platform of the integrated safety production monitoring system. 3. A kind of shaft drilling rig intelligent monitoring system according to claim 1, characterized in that: said substation comprises a power supply protection module, a data processing module, a storage module, a backup power supply, an alarm module, a display module, and a sensor module, And the power protection module, storage module, backup power supply, alarm module, display module, sensor module are all connected with the data processing module; The power supply protection module has an initialization parameter power-down protection function; the data processing module has logic judgment and data processing functions; when the monitoring host breaks down and the communication between the substation and the monitoring host is interrupted, the storage module should save no less than 4h When the system resumes normal communication, the monitoring data should be sent back to the monitoring host; the alarm module has the functions of display alarm and output control; the substation is intrinsically safe, and the analog and digital quantities can be switched between each other; The sensing module includes various sensors installed underground, and the sensing modules are all connected to each substation, and communicate with the ground central station through a dedicated ring network for underground safety monitoring. 4. A kind of shaft drilling rig intelligent monitoring system according to claim 3, characterized in that: the various sensors arranged downhole include well wall pressure sensors, temperature and humidity sensors, drill pipe pressure sensors, mud pH value sensors, A mud viscosity sensor, and the borehole wall pressure sensor, temperature and humidity sensor, drill pipe pressure sensor, mud pH value sensor, and mud viscosity sensor are all connected to the substation. 5. A kind of intelligent monitoring system for shaft drilling rig according to claim 1, characterized in that: the integrated platform of the comprehensive monitoring system for safe production comprises a safety monitoring monitoring system, and the safety monitoring monitoring system adopts a coal mine digital safety monitoring system, and the The safety monitoring and monitoring system adopts an independent networking mode, and a 1000Mbit Ethernet ring network is formed separately. The substations are connected to the safety monitoring and monitoring system through the ground central station. The equipment performs automatic detection and block control, and performs centralized display, alarm, record and automatic report at the ground central station, and carries out risk analysis and prediction. 6. An intelligent monitoring system for a shaft drilling rig according to claim 1, characterized in that: it also includes an underground personnel management system, the underground personnel management system is equipped with two monitoring hosts, dual-machine hot backup, one for work, one for monitoring The monitoring host provides an Ethernet electrical port, and the monitoring host software should be connected to the integrated mine monitoring platform through OPC or FTP; the main transmission network of the underground personnel management system uses the industrial ring network dedicated to the mine safety monitoring system as the transmission trunk line; The positioning substation is connected to the dedicated ring network switch of the mine safety monitoring system nearby, which can realize the integration and emergency linkage of the on-site operator management system, the mine safety monitoring system, and the broadcasting system for the ground and drilling rig intelligent control systems.

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