WO2019127330A1 - Coal mine safety monitoring system - Google Patents
Coal mine safety monitoring system Download PDFInfo
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- WO2019127330A1 WO2019127330A1 PCT/CN2017/119749 CN2017119749W WO2019127330A1 WO 2019127330 A1 WO2019127330 A1 WO 2019127330A1 CN 2017119749 W CN2017119749 W CN 2017119749W WO 2019127330 A1 WO2019127330 A1 WO 2019127330A1
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- sensor
- mine
- safety monitoring
- monitoring system
- coal mine
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 74
- 239000003245 coal Substances 0.000 title claims abstract description 25
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 56
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 6
- 239000007789 gas Substances 0.000 claims description 6
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 4
- 229910002091 carbon monoxide Inorganic materials 0.000 claims description 4
- 238000005065 mining Methods 0.000 claims description 4
- 239000000779 smoke Substances 0.000 claims description 4
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 claims description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 3
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 3
- 239000001569 carbon dioxide Substances 0.000 claims description 3
- 239000000428 dust Substances 0.000 claims description 3
- 229910000037 hydrogen sulfide Inorganic materials 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 3
- 230000003287 optical effect Effects 0.000 claims description 3
- 239000001301 oxygen Substances 0.000 claims description 3
- 229910052760 oxygen Inorganic materials 0.000 claims description 3
- 230000000007 visual effect Effects 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 230000003278 mimic effect Effects 0.000 abstract 1
- 230000005540 biological transmission Effects 0.000 description 8
- 238000004891 communication Methods 0.000 description 6
- 238000012545 processing Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000013500 data storage Methods 0.000 description 1
- 230000009849 deactivation Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012806 monitoring device Methods 0.000 description 1
- 238000011328 necessary treatment Methods 0.000 description 1
- 230000006855 networking Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 238000004886 process control Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
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Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
- E21F17/18—Special adaptations of signalling or alarm devices
Definitions
- the invention relates to a coal mine safety monitoring system, belonging to the technical field of mine monitoring equipment.
- the technical problem to be solved by the present invention is to overcome the defects of the prior art and provide a coal mine safety monitoring system, which can not only accurately and timely reflect the underground environmental parameters, but also achieve early prediction of disasters, necessary treatment of accidents, and It can provide the operation status of various equipments in time for production scheduling, and then effectively command production.
- the present invention provides a coal mine safety monitoring system, including an upper portion and a downhole portion, wherein the upper portion includes a power surge arrester, a monitoring host, and a standby monitoring host sequentially connected to the power source, and the monitoring The host and the standby monitoring host are respectively connected to the main standby heartbeat, and the monitoring host is also connected to the uphole switch and the downhole switch in turn, and the monitoring host is also connected to the display, the printer, the large screen, and the analog disk respectively;
- the downhole portion includes at least one safety monitoring substation connected to the downhole switch, the safety monitoring substation being coupled to the sensor, the breaker, and the DC power source, respectively.
- the sensor comprises a mine methane sensor, a mine carbon monoxide sensor, a mine negative pressure sensor, a temperature sensor, a mine input liquid level sensor, a dust sensor, a mine infrared methane sensor, a mine oxygen sensor, hydrogen sulfide Sensor, mine laser methane sensor, infrared carbon dioxide sensor, mine air duct air volume switch sensor, mine two-way wind speed air volume sensor, mine smoke sensor, mine equipment start-stop sensor, mine damper opening and closing state sensor, mine gas Drain multi-parameter sensors.
- the safety monitoring substation comprises 16 intrinsically safe sensor input interfaces, each interface is compatible with analog and switching sensors, and provides an intrinsically safe power supply; and also includes 8-way power-off control output, wherein the local power-off setting There are 2 roads and 6 power cuts for remote power failure to achieve local power outage and remote power outage control.
- the uphole portion further includes a mine station, a total workstation, and other workstations connected in series with the power source, and the mine station is sequentially connected to the hub and the network server.
- optical transceiver is disposed between the downhole switch and the security monitoring substation.
- a gas drainage pump is disposed between the safety monitoring substation and the DC power source.
- the uphole portion is further provided with an audible and visual alarm connected to the monitoring host.
- the uphole portion is further provided with a signal lightning arrester connected to the monitoring host.
- the safety monitoring substation is a KJ379G-F mine intrinsically safe monitoring substation.
- the DC power source is a KDW660/24BG or KDY660/18BG mine explosion-proof and intrinsically safe DC power supply.
- the system realizes the integration of underground transmission channels, the network management of various coal mine monitoring systems in the whole mine, the networking with the computer network of the bureau, and the connection of remote terminals through the public telephone network. Reduce channel and equipment investment.
- the system has good compatibility and protects the original equipment investment: the system can be compatible with other coal mine safety monitoring and control systems.
- the transmission network is simple and reliable: the standard network transmission protocol is adopted, the transmission rate is high, the transmission error rate is lower than 10 -8 , and the transmission distance without using the repeater is long.
- Substation autonomy and adaptability The work unit consisting of substation, sensor and actuator can work independently. When the central station loses contact with the substation, the substation has the functions of wind, electricity and gas lock; It can display the connected sensor type, real-time parameters, open/stop sensor status; infrared remote control settings modify sensor type, alarm value, power-off value and other parameters; analog port and switch port can be interchanged, can add some classes as needed The number of ports. Supports a variety of standard or non-standard signal formats such as voltage, current, frequency and contact signals.
- the system composition can be large or small, and the user can flexibly configure according to the actual situation of the coal mine.
- Figure 1 is a schematic block diagram of the present invention.
- a coal mine safety monitoring system includes an upper portion and a downhole portion, and the upper portion includes a power surge arrester, a monitoring host, and an alternate monitoring host sequentially connected to the power source, wherein the monitoring host and the standby monitoring host respectively
- the main standby machine is connected to the heartbeat machine, and the monitoring host is also connected to the uphole switch and the downhole switch in turn, and the monitoring host is also respectively connected with the display, the printer, the large screen and the analog disk.
- the uphole portion further includes a mine station, a total workstation, and other workstations connected in series with the power source, and the mine station is sequentially connected to the hub and the network server.
- the uphole portion is further provided with an audible and visual alarm connected to the monitoring host and a signal lightning arrester connected to the monitoring host.
- the downhole portion includes at least one safety monitoring substation connected to a downhole switch, the safety monitoring substation being a KJ379G-F mine intrinsically safe safety monitoring substation.
- the safety monitoring substation is respectively connected to a sensor, a breaker and a DC power source, and the DC power source is a KDW660/24BG or KDY660/18BG mine explosion-proof and intrinsically safe DC power source.
- An optical transceiver is disposed between the downhole switch and the safety monitoring substation.
- the sensor includes a mine methane sensor, a mine carbon monoxide sensor, a mine negative pressure sensor, a temperature sensor, a mine input liquid level sensor, a dust sensor, a mine infrared methane sensor, a mine oxygen sensor, a hydrogen sulfide sensor, and a mine.
- the safety monitoring substation includes 16 intrinsically safe sensor input interfaces, each interface is compatible with analog and switching sensors, and provides an intrinsically safe power supply; and also includes 8-way power-off control output, wherein the local power-off has 2 channels There are 6 remote power-offs to achieve local power-off and remote power-off control.
- the safety monitoring substation can display the values of the respective sensors, display the control output status, the communication status, etc., and has a real-time clock display function. Communicate with the ground center station to transmit acquisition data and receive control commands.
- the central processing unit of the substation selects 16-bit single-chip microcomputer.
- the peripheral circuits include: human-machine interface circuit such as display and infrared remote control, signal processing circuit such as preamplifier, channel switching, linear isolation amplifier, control output, main communication and intelligent port communication. Interface circuits and data storage circuits.
- the system has analog quantity, switch quantity, cumulative quantity acquisition, transmission, storage, processing, display, printing, sound and light alarm, control function, etc., used to monitor methane concentration, carbon monoxide concentration, wind speed, wind pressure, wind direction, temperature, smoke , Feed status, damper status, air duct status, local fan on/off, main fan on and off, and methane over-limit sound and light alarm, power off and methane wind power lockout control.
- Methane concentration over-limit sound and light alarm and power-off / re-power control functions :
- the local ventilator stops running.
- the concentration of methane in the heading or return air flow is greater than 3.0% CH 4 .
- the local ventilator must be locked so that it cannot be started. It can only be manually unlocked by password operation software or special tools. Automatically unlock when the methane concentration in the heading face or return air flow is less than 1.5% CH 4 ;
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
- Emergency Alarm Devices (AREA)
Abstract
Disclosed is a coal mine safety monitoring system. The system comprises an uphole part and a downhole part, the uphole part comprising a power source lightning arrester, a monitoring host and a standby monitoring host connected to a power source in sequence, wherein the monitoring host and the standby monitoring host are respectively connected to a heartbeat machine of a host-standby machine; the monitoring host is further connected to an uphole switch and a downhole switch in sequence; and the monitoring host is further respectively connected to a display, a printer, a big screen and a mimic panel; and the downhole part comprising at least one safety monitoring substation connected to the downhole switch, wherein the safety monitoring substation is respectively connected to a sensor, a circuit breaker and a direct-current power source. By means of the coal mine safety monitoring system, downhole environment parameters can be accurately reflected in a timely manner so as to achieve early prediction of a disaster and necessary handling of an accident, and the operating states of various devices can further be provided in a timely manner for production scheduling, thereby effectively directing production.
Description
本发明涉及一种煤矿安全监测系统，属于矿用监控设备技术领域。The invention relates to a coal mine safety monitoring system, belonging to the technical field of mine monitoring equipment.
近年来煤矿安全事故频繁发生，国务院下令治理整顿低水平开采小煤矿，要求提高煤矿开采的安全系数。煤矿安全监测系统是提高煤矿开采安全的重要保障，但是传统的矿用监测装置设计不够完善，其存在抗干扰能力差、传感技术落后、数据处理能力差等问题，这些问题往往造成矿井安全监测不到位。In recent years, coal mine safety accidents have occurred frequently. The State Council has ordered the rectification and low-level mining of small coal mines to increase the safety factor of coal mining. Coal mine safety monitoring system is an important guarantee for improving coal mine safety. However, the traditional mine monitoring device is not well designed. It has problems such as poor anti-interference ability, backward sensing technology and poor data processing capability. These problems often lead to mine safety monitoring. Did not do well.
发明内容Summary of the invention
本发明所要解决的技术问题是克服现有技术的缺陷，提供一种煤矿安全监测系统，不仅能够准确、及时地反映井下环境参数，达到对灾害的早期预测、对事故进行必要的处理，而且还能为生产调度及时提供各种设备的运行状况，进而有效地指挥生产。The technical problem to be solved by the present invention is to overcome the defects of the prior art and provide a coal mine safety monitoring system, which can not only accurately and timely reflect the underground environmental parameters, but also achieve early prediction of disasters, necessary treatment of accidents, and It can provide the operation status of various equipments in time for production scheduling, and then effectively command production.
为解决上述技术问题，本发明提供一种煤矿安全监测系统，包括井上部分和井下部分，其特征是，所述井上部分包括与电源依次连接的电源避雷器、监控主机和备用监控主机，所述监控主机和备用监控主机分别与主备机心跳机相连接，所述监控主机还依次与井上交换机、井下交换机相连接，所述监控主机还分别与显示器、打印机、大屏幕、模拟盘相连接；所述井下部分包括与井下交换机相连接的至少一个安全监控分站，所述安全监控分站分别与传感器、断电器和直流电源相连接。In order to solve the above technical problem, the present invention provides a coal mine safety monitoring system, including an upper portion and a downhole portion, wherein the upper portion includes a power surge arrester, a monitoring host, and a standby monitoring host sequentially connected to the power source, and the monitoring The host and the standby monitoring host are respectively connected to the main standby heartbeat, and the monitoring host is also connected to the uphole switch and the downhole switch in turn, and the monitoring host is also connected to the display, the printer, the large screen, and the analog disk respectively; The downhole portion includes at least one safety monitoring substation connected to the downhole switch, the safety monitoring substation being coupled to the sensor, the breaker, and the DC power source, respectively.
进一步地，所述传感器包括矿用甲烷传感器、矿用一氧化碳传感器、矿用负压传感器、温度传感器、矿用投入式液位传感器、粉尘传感器、矿用红外甲烷传感器、矿用氧气传感器、硫化氢传感器、矿用激光甲烷传感器、红外二氧化碳传感器、矿用风筒风量开关传感器、矿用双向风速风量传感器、矿用烟雾传感器、矿用设备开停传感器、矿用风门开闭状态传感器、矿用瓦斯抽放多参数传感器。Further, the sensor comprises a mine methane sensor, a mine carbon monoxide sensor, a mine negative pressure sensor, a temperature sensor, a mine input liquid level sensor, a dust sensor, a mine infrared methane sensor, a mine oxygen sensor, hydrogen sulfide Sensor, mine laser methane sensor, infrared carbon dioxide sensor, mine air duct air volume switch sensor, mine two-way wind speed air volume sensor, mine smoke sensor, mine equipment start-stop sensor, mine damper opening and closing state sensor, mine gas Drain multi-parameter sensors.
进一步地，所述安全监控分站包括16路本质安全传感器输入接口，每路接口能兼容模拟量及开关量传感器，并提供本质安全电源；还包括8路断电控制输出，其中本地断电设有2路，远程断电设有6路，实现本地断电和远程断电控制。Further, the safety monitoring substation comprises 16 intrinsically safe sensor input interfaces, each interface is compatible with analog and switching sensors, and provides an intrinsically safe power supply; and also includes 8-way power-off control output, wherein the local power-off setting There are 2 roads and 6 power cuts for remote power failure to achieve local power outage and remote power outage control.
进一步地，所述井上部分还包括与电源依次连接的矿长工作站、总工工作站、 其他工作站，所述矿长工作站依次与集线器、网络服务器相连接。Further, the uphole portion further includes a mine station, a total workstation, and other workstations connected in series with the power source, and the mine station is sequentially connected to the hub and the network server.
进一步地，所述井下交换机与安全监控分站之间设有光端机。Further, an optical transceiver is disposed between the downhole switch and the security monitoring substation.
进一步地，所述安全监控分站与直流电源之间设有瓦斯抽采用传感器。Further, a gas drainage pump is disposed between the safety monitoring substation and the DC power source.
进一步地，所述井上部分还设有与监控主机相连接的声光报警器。Further, the uphole portion is further provided with an audible and visual alarm connected to the monitoring host.
进一步地，所述井上部分还设有与监控主机相连接的信号避雷器。Further, the uphole portion is further provided with a signal lightning arrester connected to the monitoring host.
进一步地，所述安全监控分站为KJ379G-F矿用本安型安全监控分站。Further, the safety monitoring substation is a KJ379G-F mine intrinsically safe monitoring substation.
进一步地，所述直流电源为KDW660/24BG或KDY660/18BG矿用隔爆兼本安型直流电源。Further, the DC power source is a KDW660/24BG or KDY660/18BG mine explosion-proof and intrinsically safe DC power supply.
本发明所达到的有益效果：The beneficial effects achieved by the invention:
1.技术先进、多种组合方式：该系实现井下传输信道合一、全矿范围内各类煤矿监控系统组网管理、与局计算机网络联网、与远程终端通过公用电话网联接等，大幅度减少信道与设备投资。1. Advanced technology and multiple combinations: the system realizes the integration of underground transmission channels, the network management of various coal mine monitoring systems in the whole mine, the networking with the computer network of the bureau, and the connection of remote terminals through the public telephone network. Reduce channel and equipment investment.
2.系统功能强大：具有强大的数据采集功能、先进的数据处理技术，每隔5min形成模拟量传感器的最大、最小及平均值记录，随时统计各分站的通信、供电、报警、断电和复电状态、机电设备开停和运行状态；报警与控制功能完备，可实现中心站程控或手动强行控制异地断电、分站和传感器就地断电及分站区域断电功能；具有声光、语音报警、报警联动及可通过程控调度通信网对井下局部或全矿井进行语音扩播报警等多种类型的报警功能；具有传输故障、设备故障、供/断电状况和软件运行故障等的自诊断功能，还具有远程维护功能。2. Powerful system: With powerful data acquisition function and advanced data processing technology, the maximum, minimum and average records of analog sensors are formed every 5 minutes, and communication, power supply, alarm, power failure and communication of each substation are counted at any time. Re-power status, electromechanical equipment start-stop and running status; alarm and control functions are complete, which can realize central station program control or manual forced control of off-site power-off, sub-station and sensor local power-off and sub-station area power-off function; , voice alarm, alarm linkage and the process control dispatching communication network can perform various types of alarm functions such as voice expansion and alarm for underground or full mine; with transmission failure, equipment failure, power supply/deactivation status and software operation failure, etc. Self-diagnostic function with remote maintenance.
3.系统兼容性能好、保护原有设备投资：该系统可与其他煤矿安全监测监控系统保持兼容。3. The system has good compatibility and protects the original equipment investment: the system can be compatible with other coal mine safety monitoring and control systems.
4.传输网络简单、可靠：采用标准网络传输协议，传输速率高，传输误码率低于10
-8，不使用中继器传输距离长。
4. The transmission network is simple and reliable: the standard network transmission protocol is adopted, the transmission rate is high, the transmission error rate is lower than 10 -8 , and the transmission distance without using the repeater is long.
5.分站自主性、适应性强：由分站、传感器及执行器组成的工作单元可独立工作，当中心站与分站失去联系时，分站具有风、电、瓦斯闭锁功能；分站可显示所接传感器类型、实时参数、开/停传感器状态；红外遥控设定修改传感器类型、报警值、断电值等参数；模拟量端口与开关量端口可互换，可按需增加某类端口的数量。支持多种标准或非标准信号制式，如电压、电流、频率和触点信号等。5. Substation autonomy and adaptability: The work unit consisting of substation, sensor and actuator can work independently. When the central station loses contact with the substation, the substation has the functions of wind, electricity and gas lock; It can display the connected sensor type, real-time parameters, open/stop sensor status; infrared remote control settings modify sensor type, alarm value, power-off value and other parameters; analog port and switch port can be interchanged, can add some classes as needed The number of ports. Supports a variety of standard or non-standard signal formats such as voltage, current, frequency and contact signals.
6.系统组成可大可小，用户可以根据煤矿的实际情况，灵活地进行配置。6. The system composition can be large or small, and the user can flexibly configure according to the actual situation of the coal mine.
图1是本发明的原理框图。BRIEF DESCRIPTION OF THE DRAWINGS Figure 1 is a schematic block diagram of the present invention.
下面结合附图对本发明作进一步描述。以下实施例仅用于更加清楚地说明本发明的技术方案，而不能以此来限制本发明的保护范围。The invention is further described below in conjunction with the drawings. The following examples are only intended to more clearly illustrate the technical solutions of the present invention, and are not intended to limit the scope of the present invention.
如图1所示，一种煤矿安全监测系统，包括井上部分和井下部分，所述井上部分包括与电源依次连接的电源避雷器、监控主机和备用监控主机，所述监控主机和备用监控主机分别与主备机心跳机相连接，所述监控主机还依次与井上交换机、井下交换机相连接，所述监控主机还分别与显示器、打印机、大屏幕、模拟盘相连接。所述井上部分还包括与电源依次连接的矿长工作站、总工工作站、其他工作站，所述矿长工作站依次与集线器、网络服务器相连接。所述井上部分还设有与监控主机相连接的声光报警器以及与监控主机相连接的信号避雷器。As shown in FIG. 1 , a coal mine safety monitoring system includes an upper portion and a downhole portion, and the upper portion includes a power surge arrester, a monitoring host, and an alternate monitoring host sequentially connected to the power source, wherein the monitoring host and the standby monitoring host respectively The main standby machine is connected to the heartbeat machine, and the monitoring host is also connected to the uphole switch and the downhole switch in turn, and the monitoring host is also respectively connected with the display, the printer, the large screen and the analog disk. The uphole portion further includes a mine station, a total workstation, and other workstations connected in series with the power source, and the mine station is sequentially connected to the hub and the network server. The uphole portion is further provided with an audible and visual alarm connected to the monitoring host and a signal lightning arrester connected to the monitoring host.
所述井下部分包括与井下交换机相连接的至少一个安全监控分站，所述安全监控分站为KJ379G-F矿用本安型安全监控分站。所述安全监控分站分别与传感器、断电器和直流电源相连接，所述直流电源为KDW660/24BG或KDY660/18BG矿用隔爆兼本安型直流电源。所述井下交换机与安全监控分站之间设有光端机。The downhole portion includes at least one safety monitoring substation connected to a downhole switch, the safety monitoring substation being a KJ379G-F mine intrinsically safe safety monitoring substation. The safety monitoring substation is respectively connected to a sensor, a breaker and a DC power source, and the DC power source is a KDW660/24BG or KDY660/18BG mine explosion-proof and intrinsically safe DC power source. An optical transceiver is disposed between the downhole switch and the safety monitoring substation.
所述传感器包括矿用甲烷传感器、矿用一氧化碳传感器、矿用负压传感器、温度传感器、矿用投入式液位传感器、粉尘传感器、矿用红外甲烷传感器、矿用氧气传感器、硫化氢传感器、矿用激光甲烷传感器、红外二氧化碳传感器、矿用风筒风量开关传感器、矿用双向风速风量传感器、矿用烟雾传感器、矿用设备开停传感器、矿用风门开闭状态传感器、矿用瓦斯抽放多参数传感器。The sensor includes a mine methane sensor, a mine carbon monoxide sensor, a mine negative pressure sensor, a temperature sensor, a mine input liquid level sensor, a dust sensor, a mine infrared methane sensor, a mine oxygen sensor, a hydrogen sulfide sensor, and a mine. Laser methane sensor, infrared carbon dioxide sensor, mine air duct air volume switch sensor, mine two-way wind speed air volume sensor, mine smoke sensor, mining equipment start-stop sensor, mine damper opening and closing state sensor, mine gas drainage Parameter sensor.
所述安全监控分站包括16路本质安全传感器输入接口，每路接口能兼容模拟量及开关量传感器，并提供本质安全电源；还包括8路断电控制输出，其中本地断电设有2路，远程断电设有6路，实现本地断电和远程断电控制。所述安全监控分站可以巡回显示各路传感器的值，显示控制输出状态、通讯状态等，具备实时时钟显示功能。与地面中心站通讯，传送采集数据和接收控制命令。该分站的中央处理器选用16位单片机，外围电路包括：显示、红外遥控等人机接口电路，前置放大、通道切换、线性隔离放大器等信号处理电路、控制输出、主通讯及智能口通讯等接口电路和数据存储电路。The safety monitoring substation includes 16 intrinsically safe sensor input interfaces, each interface is compatible with analog and switching sensors, and provides an intrinsically safe power supply; and also includes 8-way power-off control output, wherein the local power-off has 2 channels There are 6 remote power-offs to achieve local power-off and remote power-off control. The safety monitoring substation can display the values of the respective sensors, display the control output status, the communication status, etc., and has a real-time clock display function. Communicate with the ground center station to transmit acquisition data and receive control commands. The central processing unit of the substation selects 16-bit single-chip microcomputer. The peripheral circuits include: human-machine interface circuit such as display and infrared remote control, signal processing circuit such as preamplifier, channel switching, linear isolation amplifier, control output, main communication and intelligent port communication. Interface circuits and data storage circuits.
本系统具有模拟量、开关量、累计量采集、传输、存储、处理、显示、打印、 声光报警、控制功能等，用于监测甲烷浓度、一氧化碳浓度、风速、风压、风向、温度、烟雾、馈电状态、风门状态、风筒状态、局部通风机开停、主通风机开停、并实现甲烷超限声光报警、断电和甲烷风电闭锁控制。The system has analog quantity, switch quantity, cumulative quantity acquisition, transmission, storage, processing, display, printing, sound and light alarm, control function, etc., used to monitor methane concentration, carbon monoxide concentration, wind speed, wind pressure, wind direction, temperature, smoke , Feed status, damper status, air duct status, local fan on/off, main fan on and off, and methane over-limit sound and light alarm, power off and methane wind power lockout control.
1.甲烷浓度超限声光报警和断电/复电控制功能：1. Methane concentration over-limit sound and light alarm and power-off / re-power control functions:
a)甲烷浓度达到或超过报警浓度时，声光报警；a) Sound and light alarm when the methane concentration reaches or exceeds the alarm concentration;
b)甲烷浓度达到或超过断电浓度时，切断被控设备电源并闭锁；甲烷浓度低于复电浓度时，自动解锁；b) When the methane concentration reaches or exceeds the power-off concentration, the power of the controlled equipment is cut off and blocked; when the methane concentration is lower than the re-concentration concentration, it is automatically unlocked;
c)与闭锁控制有关的设备(含甲烷传感器、分站、电源、断电控制器、线缆、接线盒等)未投入正常运行或故障时，切断该设备所监控区域的全部非本质安全型电气设备的电源并闭锁；当与闭锁控制有关的设备工作正常并稳定运行后，自动解锁。c) When the equipment related to the lockout control (methane-containing sensor, substation, power supply, power-off controller, cable, junction box, etc.) is not put into normal operation or failure, cut off all non-intrinsically safe areas of the area monitored by the equipment. The power supply of the electrical equipment is locked; when the equipment related to the lockout control works normally and runs stably, it is automatically unlocked.
2.风电甲烷闭锁功能：2. Wind power methane blocking function:
a)掘进工作面甲烷浓度达到或超过1.0％CH
4时，声光报警；掘进工作面甲烷浓度达到或超过1.5％CH
4时，切断掘进巷道内全部非本质安全型电气设备的电源并闭锁；当掘进工作面甲烷浓度低于1.0％CH
4时，自动解锁；
a) When the methane concentration of the heading face reaches or exceeds 1.0% CH 4 , the sound and light alarm is issued; when the methane concentration of the heading face reaches or exceeds 1.5% CH 4 , the power supply of all non-intrinsically safe electrical equipment in the roadway is cut off and locked; When the methane concentration in the heading face is lower than 1.0% CH 4 , it is automatically unlocked;
b)掘进工作面回风流中的甲烷浓度达到或超过1.0％CH
4时，声光报警，切断掘进巷道内全部非本质安全型电气设备的电源并闭锁；当掘进工作面回风流中的甲烷浓度低于1.0％CH
4时，自动解锁；
b) When the methane concentration in the return flow of the heading face reaches or exceeds 1.0% CH 4 , the sound and light alarms, cut off the power supply of all non-intrinsically safe electrical equipment in the roadway and lock; when the methane concentration in the return flow of the heading face Automatically unlocked when less than 1.0% CH 4 ;
c)被串掘进工作面入风流中甲烷浓度达到或超过0.5％CH
4时，声光报警，切断被串掘进巷道内全部非本质安全型电气设备的电源并闭锁；当被串掘进工作面入风流中甲烷浓度低于0.5％CH
4时，自动解锁；
c) When the concentration of methane in the incoming airflow entering or exiting the working surface reaches or exceeds 0.5% CH 4 , the sound and light alarms, cut off the power supply of all non-intrinsically safe electrical equipment in the tunnel, and locks; When the methane concentration in the wind current is lower than 0.5% CH 4 , it is automatically unlocked;
d)局部通风机停止运转或风筒风量低于规定值时，声光报警，切断供风区域的全部非本质安全型电气设备的电源并闭锁；当局部通风机或风筒恢复正常工作时，自动解锁；d) When the local ventilator stops running or the air volume of the air duct is lower than the specified value, the sound and light alarms, cut off the power supply of all non-intrinsically safe electrical equipment in the air supply area and lock; when the local ventilator or air duct returns to normal operation, Automatic unlocking;
e)局部通风机停止运转，掘进工作面或回风流中甲烷浓度大于3.0％CH
4，必须对局部通风机进行闭锁使之不能起动，只有通过密码操作软件或使用专用工具方可人工解锁；当掘进工作面或回风流中甲烷浓度低于1.5％CH
4时，自动解锁；
e) The local ventilator stops running. The concentration of methane in the heading or return air flow is greater than 3.0% CH 4 . The local ventilator must be locked so that it cannot be started. It can only be manually unlocked by password operation software or special tools. Automatically unlock when the methane concentration in the heading face or return air flow is less than 1.5% CH 4 ;
f)与闭锁控制有关的设备(含分站、甲烷传感器、电源、断电控制器、线缆、接线盒等)故障或断电时，声光报警，切断该设备所监控区域的全部非本质安全型电气设备的电源并闭锁；与闭锁控制有关的设备接通电源1min内，继续 闭锁该设备所监控区域的全部非本质安全型电气设备的电源；当与闭锁控制有关的设备工作正常并稳定运行后，自动解锁。严禁对局部通风机进行故障闭锁控制。f) When the equipment related to the lockout control (including substation, methane sensor, power supply, power failure controller, cable, junction box, etc.) is faulty or powered off, the sound and light alarms, cutting off all non-essence of the area monitored by the equipment The power supply of the safety-type electrical equipment is blocked; the equipment related to the lock-up control is turned on for 1 min, and the power supply of all non-intrinsically safe electrical equipment in the area monitored by the equipment is continuously blocked; when the equipment related to the lockout control works normally and is stable After running, it is automatically unlocked. It is strictly forbidden to perform fault blocking control on the local fan.
以上所述仅是本发明的优选实施方式，应当指出，对于本技术领域的普通技术人员来说，在不脱离本发明技术原理的前提下，还可以做出若干改进和变形，这些改进和变形也应视为本发明的保护范围。The above is only a preferred embodiment of the present invention, and it should be noted that those skilled in the art can make several improvements and modifications without departing from the technical principles of the present invention. It should also be considered as the scope of protection of the present invention.
Claims (10)
- 煤矿安全监测系统，包括井上部分和井下部分，其特征是，所述井上部分包括与电源依次连接的电源避雷器、监控主机和备用监控主机，所述监控主机和备用监控主机分别与主备机心跳机相连接，所述监控主机还依次与井上交换机、井下交换机相连接，所述监控主机还分别与显示器、打印机、大屏幕、模拟盘相连接；所述井下部分包括与井下交换机相连接的至少一个安全监控分站，所述安全监控分站分别与传感器、断电器和直流电源相连接。The coal mine safety monitoring system includes an upper portion and a downhole portion, wherein the upper portion includes a power surge arrester, a monitoring host and a standby monitoring host sequentially connected to the power source, wherein the monitoring host and the standby monitoring host respectively have a heartbeat with the primary standby machine The monitoring host is also connected to the uphole switch and the downhole switch in turn, and the monitoring host is also connected to the display, the printer, the large screen and the analog disk respectively; the downhole portion includes at least a connection with the downhole switch. A safety monitoring substation is connected to the sensor, the breaker and the DC power source.
- 根据权利要求1所述的煤矿安全监测系统，其特征是，所述传感器包括矿用甲烷传感器、矿用一氧化碳传感器、矿用负压传感器、温度传感器、矿用投入式液位传感器、粉尘传感器、矿用红外甲烷传感器、矿用氧气传感器、硫化氢传感器、矿用激光甲烷传感器、红外二氧化碳传感器、矿用风筒风量开关传感器、矿用双向风速风量传感器、矿用烟雾传感器、矿用设备开停传感器、矿用风门开闭状态传感器、矿用瓦斯抽放多参数传感器。The coal mine safety monitoring system according to claim 1, wherein the sensor comprises a mine methane sensor, a mine carbon monoxide sensor, a mine negative pressure sensor, a temperature sensor, a mine input liquid level sensor, a dust sensor, Mine infrared methane sensor, mine oxygen sensor, hydrogen sulfide sensor, mine laser methane sensor, infrared carbon dioxide sensor, mine air duct air volume switch sensor, mine two-way wind speed air volume sensor, mine smoke sensor, mining equipment start and stop Sensor, mine damper opening and closing state sensor, mine gas drainage multi-parameter sensor.
- 根据权利要求1所述的煤矿安全监测系统，其特征是，所述安全监控分站包括16路本质安全传感器输入接口，每路接口能兼容模拟量及开关量传感器，并提供本质安全电源；还包括8路断电控制输出，其中本地断电设有2路，远程断电设有6路，实现本地断电和远程断电控制。The coal mine safety monitoring system according to claim 1, wherein the safety monitoring substation comprises 16 intrinsically safe sensor input interfaces, each of which is compatible with analog and switching sensors and provides an intrinsically safe power supply; It includes 8-way power-off control output, including 2 channels for local power-off and 6 channels for remote power-off, to achieve local power-off and remote power-off control.
- 根据权利要求1所述的煤矿安全监测系统，其特征是，所述井上部分还包括与电源依次连接的矿长工作站、总工工作站、其他工作站，所述矿长工作站依次与集线器、网络服务器相连接。The coal mine safety monitoring system according to claim 1, wherein the upper portion of the well includes a mine station, a total workstation, and other workstations connected in series with the power source, and the mine station is sequentially connected to the hub and the network server. connection.
- 根据权利要求1所述的煤矿安全监测系统，其特征是，所述井下交换机与安全监控分站之间设有光端机。The coal mine safety monitoring system according to claim 1, wherein an optical transceiver is disposed between the downhole switch and the safety monitoring substation.
- 根据权利要求1所述的煤矿安全监测系统，其特征是，所述安全监控分站与直流电源之间设有瓦斯抽采用传感器。The coal mine safety monitoring system according to claim 1, wherein a gas drainage pump is disposed between the safety monitoring substation and the DC power source.
- 根据权利要求1所述的煤矿安全监测系统，其特征是，所述井上部分还设有与监控主机相连接的声光报警器。The coal mine safety monitoring system according to claim 1, wherein the upper portion of the well is further provided with an audible and visual alarm connected to the monitoring host.
- 根据权利要求1所述的煤矿安全监测系统，其特征是，所述井上部分还设有与监控主机相连接的信号避雷器。The coal mine safety monitoring system according to claim 1, wherein the upper portion of the well is further provided with a signal lightning arrester connected to the monitoring host.
- 根据权利要求1所述的煤矿安全监测系统，其特征是，所述安全监控分站为KJ379G-F矿用本安型安全监控分站。The coal mine safety monitoring system according to claim 1, wherein the safety monitoring substation is a KJ379G-F mine intrinsically safe safety monitoring substation.
- 根据权利要求1所述的煤矿安全监测系统，其特征是，所述直流电源为 KDW660/24BG或KDY660/18BG矿用隔爆兼本安型直流电源。The coal mine safety monitoring system according to claim 1, wherein the DC power source is a KDW660/24BG or KDY660/18BG mine explosion-proof and intrinsically safe DC power source.
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