CN113541318A - Remote monitoring device for underground power distribution point - Google Patents
Remote monitoring device for underground power distribution point Download PDFInfo
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- CN113541318A CN113541318A CN202110862785.3A CN202110862785A CN113541318A CN 113541318 A CN113541318 A CN 113541318A CN 202110862785 A CN202110862785 A CN 202110862785A CN 113541318 A CN113541318 A CN 113541318A
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- switch
- personal computer
- fan
- industrial personal
- point
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00002—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by monitoring
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00006—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment
- H02J13/00016—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment using a wired telecommunication network or a data transmission bus
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00032—Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02B90/20—Smart grids as enabling technology in buildings sector
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/124—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wired telecommunication networks or data transmission busses
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The invention discloses a remote monitoring device for an underground distribution point, which comprises an industrial personal computer positioned at a work substation, a local fan point substation PLC positioned at an operation field, a plurality of detection sensors, a proximity switch, a ground switch and an uninterruptible power supply, wherein the industrial personal computer is connected with the local fan point substation PLC; the industrial personal computer is communicated with the local fan point substation PLC through the industrial Ethernet, the nearby switch and the ground switch in sequence, collects the voltage and current of each sensor fed back, the switch of each power distribution point on a working surface and the running state parameters of the equipment, stores the data of each sensor in a database of the industrial personal computer, and visually displays the running state of the equipment on the industrial personal computer; when the industrial personal computer detects that the equipment parameters are abnormal, the local fan point substation PLC and the industrial personal computer are communicated in real time, an interface prompts an abnormal alarm and sends a corresponding control command to the local fan substation PLC to control the action of the local fan, so that the fault condition of the state of the local fan is monitored in real time, and the real-time online detection and control of each running state of a power distribution point are realized.
Description
Technical Field
The invention relates to an underground remote monitoring device, in particular to a centralized remote control device for an underground power distribution point.
Background
Because coal mine safety accident frequently happens, there are problems such as gas explosion that the mine gas accumulates and leads to. The main reasons are the installation and power supply requirements of the underground working face equipment of the coal mine, numerous power supply nodes, abnormal fire of the equipment and the like can cause great potential safety hazards. Therefore, the monitoring problem of the underground power distribution node needs to be solved urgently. With the maturity of remote monitoring technology, industrial ethernet has shown great advantages in underground coal mines. The centralized state monitoring of the distribution points of the underground equipment (various sensors, equipment switch states and the like) of the coal mine is realized through the industrial Ethernet by adopting a mode of matching the working substation with the local substation.
Disclosure of Invention
The invention aims to provide a remote monitoring device for an underground distribution point, which realizes centralized state monitoring of the underground equipment distribution point of a coal mine by an industrial Ethernet in a mode of matching a work substation with a local substation.
The invention has the technical scheme that the remote monitoring device for the underground distribution points is characterized by comprising an industrial personal computer positioned in a work substation, a local fan point substation PLC positioned in an operation field, a plurality of detection sensors, a proximity switch, a ground switch, switches of the distribution points on the work surface and an uninterruptible power supply;
each distribution point switch of working face includes: the system comprises a working face power main feed switch, a main fan inlet switch, an auxiliary fan inlet switch, a dual-power switch, a fan dual-frequency-conversion switch and an air duct switch;
local fan point substation PLC includes: the switch control module and the data acquisition module;
the industrial personal computer software system comprises: the system comprises a state real-time monitoring module and an exception handling module;
the local fan point substation PLC controls a working surface power main feed switch, and the working surface power main feed switch is connected with an uninterrupted power supply of a driving working surface to realize the starting and stopping of the power supply under an abnormal condition;
the industrial personal computer is communicated with the local fan point substation PLC through the industrial Ethernet, the nearby switch and the ground switch in sequence, collects the voltage and current of each sensor fed back, the switch of each power distribution point on a working surface and the running state parameters of the equipment, stores the data of each sensor in a database of the industrial personal computer, and visually displays the running state of the equipment on the industrial personal computer; when the industrial personal computer detects that the equipment parameters are abnormal, the local fan point substation PLC and the industrial personal computer are communicated in real time, an interface prompts an abnormal alarm and sends a corresponding control command to the local fan substation PLC to control the action of the local fan, so that the fault condition of the state of the local fan is monitored in real time, and the real-time online detection and control of each running state of a power distribution point are realized.
The invention has the advantages that:
(1) the visual monitoring of the power distribution points of the work substation and the operation site is realized;
(2) the problem of electrical fault of equipment can be conveniently and rapidly found under the coal mine;
(3) the alarm of the abnormal power supply state of the equipment is realized, and unsafe accidents caused by the abnormal power supply of the equipment are reduced;
(4) the automation level of coal mine production is improved;
(5) the efficiency and the safety level of coal mine production are improved.
Compared with the existing remote monitoring device for the power distribution point, the remote monitoring device for the power distribution point is characterized by diversity of the monitored power distribution nodes and particularity of a power distribution network for a coal mine ventilator, and comprises switches of all working surfaces, voltage and current parameters of sensors and the like.
Drawings
Fig. 1 is a diagram of a distribution point monitoring device.
Fig. 2 is a wiring diagram of a mining low-noise intelligent local ventilation system.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the examples of the present invention without any inventive step, are within the scope of the present invention.
As shown in fig. 1, a remote monitoring device for an underground distribution point includes an industrial personal computer located at a work substation, a local fan point substation PLC located at a work site, various detection sensors (current and voltage sensors, etc.), a proximity switch, a ground switch, and an uninterruptible power supply.
Each distribution point switch of working face includes: the working face power main feed switch, the main fan inlet wire switch, the auxiliary fan inlet wire switch, the dual-power switch, the fan dual-frequency switch and the air duct switch.
The structural network is shown in fig. 2: the local fan point substation PLC comprises a switch control module and a data acquisition module; the industrial personal computer software system comprises a state real-time monitoring module and an exception handling module.
A data acquisition module: the power switch state, the on-off state of each distribution point of a working face and the voltage and current data acquisition of various detection sensors are realized, the double-frequency conversion of the fan is communicated with a local fan substation PLC through a 485 communication interface, each sensor transmits data to a local ventilator substation PLC module through 4-20MA current signals, the PLC converts the data into data for displaying, storing and judging alarm, the acquired sensor data is uploaded to an industrial personal computer through a nearby switch and a ground switch and an industrial Ethernet, and the acquired data is stored on the industrial personal computer.
The switch control module: the local fan point substation PLC and an inlet wire switch of the local fan point substation, a power main feed switch of a working face, a fan frequency converter switch and a dual-power switch are communicated with each other through RS485 communication, and signal transmission is achieved through master operation. The local fan point substation PLC sends a control instruction, the opening and closing and remote resetting of an inlet wire switch, a dual-power switch and a working face power main feed switch of the local ventilator are realized through the control of the I/O port, the starting, stopping, switching, remote resetting and air volume adjusting of a fan frequency converter are controlled, and meanwhile, the remote setting function is achieved.
The state real-time monitoring module: the data transmission and control interface utilizes a DLL function carried by the multi-channel data acquisition card and an API interface function of the MySQL database to realize the acquisition and analysis of the switch control state and establish and store the instruction analysis result to the corresponding field of the MySQL database on the industrial personal computer. And calling collected data is realized, corresponding instructions correspond to corresponding programmable controllers I/O, and sensor data collection and power distribution point state monitoring are realized.
An exception handling module: the local fan point substation PLC is connected with the voltage and current sensors, and the alarm module is located on the PLC. The detection of the conditions such as current and voltage abnormity is realized, the alarm module realizes the alarm under the condition of electrical data abnormity, and the real-time monitoring of the working states of the dual-power switch and the inlet wire switch of the main fan and the auxiliary fan is achieved.
And the local fan point substation PLC controls a working surface power main feed switch, and the working surface power main feed switch is connected with an uninterrupted power supply of the tunneling working surface, so that the power supply is started and stopped under an abnormal condition.
The industrial personal computer is communicated with the local fan point substation PLC through the industrial Ethernet, the nearby switch and the ground switch in sequence, the fed-back voltage and current of the sensor and parameters such as the switch of each power distribution point on a working surface, the running state of equipment and the like are collected, the data of each sensor are stored in a database of the industrial personal computer, and the running state of the equipment is visually displayed on the industrial personal computer; when the industrial personal computer detects that the equipment parameters are abnormal, the local fan point substation PLC and the industrial personal computer are communicated in real time, an interface prompts an abnormal alarm and sends a corresponding control command to the local fan substation PLC to control the action of the local fan, so that the fault condition of the state of the local fan is monitored in real time, and the real-time online detection and control of each running state of a power distribution point are realized.
The monitoring power distribution point comprises a main fan incoming line switch, an auxiliary fan incoming line switch, a dual-power switch, an air duct switch, power supply states of gas sensors, a monitoring substation power supply state, a vibration sensor, an air duct state, an air quantity sensor power supply state, a temperature sensor power supply state, a camera and the like, and a Siemens S7 series is used as a power distribution point monitoring core and connected with each power distribution point to realize real-time state monitoring and alarming of various switches and equipment.
Specifically, the industrial personal computer adopts the Hua IPC610L, and is provided with an Intel i7 processor, an 8G memory and a 1T mechanical hard disk. Has the characteristics of low price, high quality, large output, rich software/hardware resources and the like, and is familiar and accepted by vast technical personnel. The main components of the system are an industrial chassis, a passive bottom plate and various board cards which can be inserted on the passive bottom plate, such as a CPU card, an I/O card and the like. And the design of an all-steel shell, a machine card pressing bar filter screen, a double positive pressure fan and the like and the EMC technology are adopted to solve the problems of electromagnetic interference, vibration, dust, high/low temperature and the like in an industrial field.
Specifically, the mining explosion-proof programmable control box, namely a local fan point substation PLC, is marked as 'ExdI Mb'. The structure of the machine is divided into a box body and a machine core. The door cover of the box body adopts a quick-opening door type structure. The box door is provided with an observation window, operation buttons (starting, stopping, scram, resetting and the like) and a working mode change-over switch. The upper part of the box body is a wiring cavity which is connected with the main cavity through a circular wall-through terminal. The cable enters through the outlet nozzle.
The main functions that can be achieved include:
can automatically collect and display various operation parameters of the local fan
Secondly, displaying the states and parameters of the dual-power switch and the incoming line switch and controlling the closing, opening and fault resetting of the dual-power switch and the incoming line switch;
thirdly, the system displays the communication state of each level of equipment in real time;
and fourthly, displaying the contents of parameters, faults and the like on the substation and the ground host computer in a liquid crystal manner, and simultaneously having the functions of memorizing and maintaining data faults and the like.
The system has a sensor self-checking function and can automatically detect faults of disconnection, short circuit, power failure and the like of the sensor.
The above description is only an embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are intended to be covered by the scope of the present invention.
Claims (6)
1. A remote monitoring device for underground distribution points is characterized by comprising an industrial personal computer positioned in a work substation, a local fan point substation PLC positioned in an operation field, a plurality of detection sensors, a proximity switch, a ground switch, switches of the distribution points on the work surface and an uninterrupted power supply;
each distribution point switch of working face includes: the system comprises a working face power main feed switch, a main fan inlet switch, an auxiliary fan inlet switch, a dual-power switch, a fan dual-frequency-conversion switch and an air duct switch;
local fan point substation PLC includes: the switch control module and the data acquisition module;
the industrial personal computer software system comprises: the system comprises a state real-time monitoring module and an exception handling module;
the local fan point substation PLC controls a working surface power main feed switch, and the working surface power main feed switch is connected with an uninterrupted power supply of a driving working surface to realize the starting and stopping of the power supply under an abnormal condition;
the industrial personal computer is communicated with the local fan point substation PLC through the industrial Ethernet, the nearby switch and the ground switch in sequence, collects the voltage and current of each sensor fed back, the switch of each power distribution point on a working surface and the running state parameters of the equipment, stores the data of each sensor in a database of the industrial personal computer, and visually displays the running state of the equipment on the industrial personal computer; when the industrial personal computer detects that the equipment parameters are abnormal, the local fan point substation PLC and the industrial personal computer are communicated in real time, an interface prompts an abnormal alarm and sends a corresponding control command to the local fan substation PLC to control the action of the local fan, so that the fault condition of the state of the local fan is monitored in real time, and the real-time online detection and control of each running state of a power distribution point are realized.
2. The remote monitoring device for the underground power distribution point as claimed in claim 1, wherein the data acquisition module: the power switch state, the on-off state of each distribution point of a working face and the voltage and current data acquisition of various detection sensors are realized, the double-frequency conversion of the fan is communicated with a local fan substation PLC through a 485 communication interface, each sensor transmits data to a local ventilator substation PLC module through 4-20MA current signals, the PLC converts the data into data for displaying, storing and judging alarm, the acquired sensor data is uploaded to an industrial personal computer through a nearby switch and a ground switch and an industrial Ethernet, and the acquired data is stored on the industrial personal computer.
3. The remote monitoring device of the underground distribution point of claim 1, wherein the switch control module: the local fan point substation PLC and an incoming line switch of the local fan, a power main feed switch of a working face, a fan frequency converter switch and a dual-power switch are communicated in an RS485 mode, signal transmission is achieved through master operation, the local fan point substation PLC sends out a control instruction, the incoming line switch, the dual-power switch and the power main feed switch of the local fan are controlled through an I/O port to achieve opening and closing and remote resetting of the local fan, starting, stopping, switching, remote resetting and air quantity adjusting of the fan frequency converter are controlled, and meanwhile, the remote setting function is achieved.
4. The remote monitoring device for the underground power distribution point as claimed in claim 1, wherein the state real-time monitoring module: the data transmission and control interface realizes the acquisition and analysis of the on-off control state by utilizing a DLL function carried by a multi-channel data acquisition card and an API (application programming language) interface function of a MySQL database, establishes and stores an instruction analysis result to a corresponding field of the MySQL database on an industrial personal computer, realizes the calling of the acquired data, corresponds a corresponding instruction to a corresponding programmable controller I/O (input/output), and realizes the data acquisition of the sensor and the state monitoring of the power distribution point.
5. The remote monitoring device for the underground power distribution point as claimed in claim 1, wherein the abnormality processing module: the local fan point substation PLC is connected with the voltage and current sensors, and the alarm module is located on the PLC. The detection of the conditions such as current and voltage abnormity is realized, the alarm module realizes the alarm under the condition of electrical data abnormity, and the real-time monitoring of the working states of the dual-power switch and the inlet wire switch of the main fan and the auxiliary fan is achieved.
6. The remote monitoring device of the underground distribution point as claimed in claim 1, wherein the local fan point substation PLC is a mining explosion-proof programmable control box.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110862785.3A CN113541318A (en) | 2021-07-29 | 2021-07-29 | Remote monitoring device for underground power distribution point |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110862785.3A CN113541318A (en) | 2021-07-29 | 2021-07-29 | Remote monitoring device for underground power distribution point |
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| CN113541318A true CN113541318A (en) | 2021-10-22 |
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| CN202110862785.3A Pending CN113541318A (en) | 2021-07-29 | 2021-07-29 | Remote monitoring device for underground power distribution point |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114400779A (en) * | 2022-01-18 | 2022-04-26 | 上海山源电子科技股份有限公司 | Rapid networking system and rapid networking method for underground unattended substation |
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| CN211737523U (en) * | 2020-03-02 | 2020-10-23 | 山西潞安环保能源开发股份有限公司 | Local fan monitoring system based on Internet of things and three-level management and control mechanism |
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2021
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| US20020002593A1 (en) * | 1996-07-23 | 2002-01-03 | Ewing Carrel W. | Vertical-mount electrical power distribution plugstrip |
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| CN110685948A (en) * | 2019-09-29 | 2020-01-14 | 西安重装韩城煤矿机械有限公司 | Control method, device and processor of automatic monitoring system for local ventilation of coal mine |
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