CN106121728A - A kind of coal mine safety monitoring system based on the transmission of Ethernet platform - Google Patents
A kind of coal mine safety monitoring system based on the transmission of Ethernet platform Download PDFInfo
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- CN106121728A CN106121728A CN201610758111.8A CN201610758111A CN106121728A CN 106121728 A CN106121728 A CN 106121728A CN 201610758111 A CN201610758111 A CN 201610758111A CN 106121728 A CN106121728 A CN 106121728A
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- E—FIXED CONSTRUCTIONS
- E21—EARTH 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
Abstract
The invention discloses a kind of coal mine safety monitoring system based on the transmission of Ethernet platform, belong to mining machine electrical information technical field, the technical problem to be solved in the present invention is how to be capable of the electric discharge operation of power-supply battery, improves the safety and reliability of coal mine safety monitoring system.Technical scheme is: its structure includes ground switch, server, work station, main control computer, hot standby machine, Monitor And Control Subsystem one, Monitor And Control Subsystem two and Monitor And Control Subsystem three, and described ground switch Connection Service device, work station, main control computer, hot standby machine, Monitor And Control Subsystem one, Monitor And Control Subsystem two and Monitor And Control Subsystem three respectively and ground switch use the consensus standard of Ethernet to realize and server, work station, main control computer, hot standby machine, Monitor And Control Subsystem one, Monitor And Control Subsystem two and the communication of Monitor And Control Subsystem three.
Description
Technical field
The present invention relates to mining machine electrical information technical field, a kind of coal based on the transmission of Ethernet platform
Ore deposit safety monitoring system.
Background technology
Coal Mine Safety Monitoring Systems plays the most important as the scientific management means that a kind of colliery modernizes
Effect, monitoring with various kinds of sensors use frequency transmission, frequency signal must not superposition, so each sensor will be with a prison
Electric control cable；Additionally outstation power line is connected on switch inlet wire side, it is impossible to discharging power-supply battery, battery was constantly in
Fill state, it is impossible to carry out operation of discharging.
The patent documentation of Patent No. CN 203012468 U discloses a kind of embedded underground coal mine based on Ethernet
Electric power safety monitoring system, includes bottom surface microcomputer management system, embedded monitoring substation, intelligent power device, ground computer
Management system includes ethernet interface, monitoring host computer, and monitoring host computer is directly and ethernet interface, CAN communication interface
It is connected；CAN fieldbus and Ethernet two is used between monitoring host computer and the embedded monitoring substation of ground computer management system
Plant communication modes and carry out communication, between embedded monitoring substation and intelligent power device, use the communication modes of RS-485 to lead to
News.But this technical scheme exists, and structure is complicated, operation is inconvenient, high in cost of production shortcoming.
Summary of the invention
The technical assignment of the present invention is for above not enough, it is provided that a kind of safety of coal mines prison based on the transmission of Ethernet platform
Ore-controlling Role, solves how to be capable of the electric discharge operation of power-supply battery, improve coal mine safety monitoring system safety and can
Problem by property.
The technical solution adopted for the present invention to solve the technical problems is: a kind of colliery based on the transmission of Ethernet platform peace
Full monitoring system, including ground switch, server, work station, main control computer and hot standby machine, also includes Monitor And Control Subsystem one, prison
Control subsystem two and Monitor And Control Subsystem three, described ground switch Connection Service device, work station, main control computer, hot standby machine, prison respectively
Control subsystem is unified, Monitor And Control Subsystem two and Monitor And Control Subsystem three and ground switch use the consensus standard of Ethernet realize with
Server, work station, main control computer, hot standby machine, Monitor And Control Subsystem one, Monitor And Control Subsystem two and the communication of Monitor And Control Subsystem three；Institute
State Monitor And Control Subsystem one and include fiber optical transceiver, ground substation one, ring exchanger one, ring exchanger two, ring exchanger
Three, universal monitor substation one, sensor one and power supply box one, ground switch connects fiber optical transceiver, and ground substation one connects
Fiber optical transceiver, light line transceiver connects ring exchanger one and ring exchanger two by optical fiber cable for mine respectively, and looped network exchanges
Machine one and ring exchanger two connect ring exchanger three respectively, and ring exchanger three is monitored by RS485 bus connection universal
Substation one, universal monitor substation one connects sensor one and power supply box one by RS485 bus respectively；Power supply box one includes intrinsic safety
Type uninterrupted power source one and relay one, intrinsic safety type uninterrupted power source one connects relay one, and relay one is by RS485 bus
Connection universal outstation one, realizes can remotely managing of power supply by RS485 bus, and then achieves putting of power-supply battery
Electricity, improves the safety and reliability of coal mine safety monitoring system.
As preferably, described Monitor And Control Subsystem two includes spark gap one, spark gap two, spark gap three, ground substation two, leads to
With outstation two, sensor two and power supply box two, ground switch connects spark gap one by KJJ14A coffret, lightning-arrest
Device one connects spark gap two and spark gap three respectively, and spark gap two connects ground substation two；Spark gap three is by mine cable even
Connecting and use outstation two, universal monitor substation two connects sensor two and power supply box two by RS485 bus respectively；Power supply box
Two include intrinsic safety type uninterrupted power source two and relay two, and intrinsic safety type uninterrupted power source two connects relay two, relay two-way
Cross RS485 bus connection universal outstation two.
As preferably, described Monitor And Control Subsystem three includes data transmission system, spark gap four, ground substation three, intrinsic safety type
Optical transmitter and receiver, universal monitor substation three, sensor three and power supply box three, ground switch connects data transmission system by Ethernet
System, data transmission system connects spark gap four, and spark gap four connects ground substation three；Data transmission system is by optical fiber cable for mine even
Connecing intrinsic safety type optical transmitter and receiver, intrinsic safety type optical transmitter and receiver connection universal outstation three, universal monitor substation three is respectively by RS485 bus
Connect sensor three and power supply box three；Power supply box three includes intrinsic safety type uninterrupted power source three and relay three, and intrinsic safety type is uninterrupted
Power supply three connects relay three, and relay three is by RS485 bus connection universal outstation three.
More preferably, described sensor one is connected to the sensor input signal Wiring area of universal monitor substation one or general
The control output of outstation one, feed input signal Wiring area；Sensor two is connected to the sensor of universal monitor substation two
The control output of input signal Wiring area or universal monitor substation two, feed input signal Wiring area；Sensor three is connected to
The sensor input signal Wiring area of universal monitor substation three or the control output of universal monitor substation three, feed input signal
Wiring area.
More preferably, described sensor one is connected to the power supply of universal monitor substation one by main transmission line, system transfers is believed
Number Wiring area；Sensor two is connected to the power supply of universal monitor substation two, system transfers signal Wiring area by main transmission line；Pass
Sensor three is connected to the power supply of universal monitor substation three, system transfers signal Wiring area by main transmission line.
KJF16B universal monitor substation is the important component part of KJ95N Coalmine Comprehensive Monitoring System, have data acquisition,
Control output, keyboard and remote control input, liquid crystal display, the function of data transmission.Universal monitor substation both can be used as system and joined
Set product, it is also possible to as independent wind-powered electricity gas blocking device.KJF16B universal monitor substation has three wire areas: (1),
Sensor input signal Wiring area, be positioned on the left of substation mainboard 8 tetrads can plug binding post, accessible 8 road frequency types or
Switch-type sensor；(2), controlling output, feed input signal Wiring area, being positioned at 8 tetrads on the right side of substation mainboard can connect in plug
Line terminals, can access 8 way switch amount output control signal and 8 way switch type input signals；(3), power supply, system transfers signal
Wiring area, be positioned at circuit board has 1 six tie terminal and 2 three tie terminals below, and wherein six tie terminals are
Substation power supply terminal, three tie terminals are substation and other device talk terminals.
More preferably, described sensor one, sensor two and sensor three are firedamp sensor (KGJ16B), carbon monoxide biography
Sensor (KGA5), oxygen sensor (KGQ7), carbon dioxide sensor (KGQ9), air velocity transducer (GFY15), temperature sensor
(KG3007A), dust sensor (GCG1000), pressure transducer (KGY3A) or level sensor (KGU9).
More preferably, described power supply box one, power supply box two and power supply box three the most also include isolating transformer, accumulator, open
Pass, battery management circuit, AC/DC transducer, DC/DC mono-(dc chopper), intrinsic safety process circuit, data acquisition and communicate
Module and liquid crystal display, the alternating current power supply of different electric pressures connects the input of isolating transformer, isolating transformer defeated
Going out end and connect AC/DC transducer, AC/DC transducer output galvanic current pressure, this DC voltage one tunnel is through battery management
Circuit is connected to accumulator and installs switch between accumulator and battery management circuit, and the effect of switch is after power supply is uncapped,
Accumulator and battery management circuit are disconnected；Other three tunnels process the stable intrinsic safety type of circuit output not through DC/DC mono-and intrinsic safety
Uninterruptible power and intrinsic safety process circuit and battery management circuit is all connected with data acquisition and communication module, data acquisition with communicate
Module connects liquid crystal display；For meeting essential safety performance requirement, use dual over-current over-voltage protection, make output meet this
Peace performance requirement；When AC outage, in accumulator, the electric energy of storage processes circuit discharging by DC/DC and intrinsic safety, protects
The power supply output keeping steady fixed, it is achieved uninterrupted power supply function；The voltage and current of 3 road intrinsic safety electric source outputs, battery-operated shape
State, alternate current states can show on LCD panel, simultaneously by the connection of RS485 bus, it is achieved that power-supply battery can
Control remotely management.
As preferably, described ring exchanger one, ring exchanger two, ring exchanger (SICOM3024) three all use
The embedded networking module of NE-4100T() serial data of RS485 bus is converted into Ethernet data by industrial network, it is achieved that
The serial data of RS485 bus and the conversion of Ethernet data.
More preferably, the embedded networking module of described NE-4100T() include power input, power supply adjustment unit, Ethernet
Switch unit, Ethernet turn TTL module, light-coupled isolation unit, DC/DC bis-and RS485 driver element, and power input is respectively
Connecting a road power supply adjustment unit, a road power supply adjustment unit connects Ethernet switch unit, and Ethernet switch unit is even
Connect Ethernet and turn TTL module, Ethernet switch unit is provided with Ethernet optical fiber and Ethernet electrical interface；Another road power supply
Adjustment unit connects DC/DC bis-respectively and Ethernet turns TTL module, and Ethernet turns TTL module and connects light-coupled isolation unit, optocoupler
Isolated location connects RS485 driver element, and RS485 driver element connects DC/DC bis-, NE-4100T and realizes ethernet signal and turn
Turn to the output of RS485 signal, electrolyte ethernet signal is changed light medium transmission simultaneously.
Compared to the prior art, have following has the coal mine safety monitoring system based on the transmission of Ethernet platform of the present invention
Benefit effect:
1, the present invention can by use that RS485 bus achieves the conllinear transmission problem of all kinds of monitoring sensor and power-supply battery
Control remotely management, main signal is by transmitting with EPA, it is achieved that device level transmission conllinear and factory level control in real time, carry
The high safety and reliability of Colliery Security System；
2, the transmission of Ethernet platform is applied in coal mine safety monitoring system by the present invention, simple with it by RS485 bus,
The feature such as economic, easy to control, it is achieved that key-course and fieldbus set between data transmission, ensure transmission in real time simultaneously
Reliability and the opening of information is realized in the case of property；
3, the transmission of Ethernet platform is applied in coal mine safety monitoring system by the present invention, it is achieved that subtracts people and carries effect and science pipe
Reason, monitoring system based on EPA and field bus technique wiring is simple, greatly reduces mine operating cost, improves
Safety and reliability；
4, the present invention is at down-hole ring online operation, reliable and stable, safety is high, transfer rate is fast, resource sharing capability is strong, it is achieved
The monitoring of mine upper and lower all kinds of ambient parameters, manufacturing parameter with show, report to the police automatic with the real-time remote monitoring such as control and data
Gather, improve accurately judging and Ability of emergency management all kinds of problems.
Therefore the present invention has the features such as reasonable in design, simple in construction, easy to use, one-object-many-purposes, thus, have well
Popularizing value.
Accompanying drawing explanation
The present invention is further described below in conjunction with the accompanying drawings.
Accompanying drawing 1 is the structured flowchart of coal mine safety monitoring system based on the transmission of Ethernet platform；
Accompanying drawing 2 is the schematic diagram of the connected mode of sensor one in accompanying drawing 1, sensor two or sensor three；
Accompanying drawing 3 is the schematic diagram of the another kind of connected mode of sensor one in accompanying drawing 1, sensor two or sensor three；
Accompanying drawing 4 is the operation principle block diagram of power supply box one in accompanying drawing 1, power supply box two and power supply box three；
Accompanying drawing 5 is the electrical structure block diagram of NE-4100T.
In figure: 1, ground switch, 2, server, 3, work station, 4, main control computer, 5, hot standby machine, 6, fiber optical transceiver, 7,
Ground substation one, 8, ring exchanger one, 8.1, power input, 8.2, power supply adjustment unit, 8.3, Ethernet switch list
Unit, 8.4, Ethernet turn TTL module, 8.5, light-coupled isolation unit, 8.6, RS485 driver element, 8.7, DC/DC bis-, 8.8, with
Too net optical fiber, 8.9, Ethernet electrical interface, 9, ring exchanger two, 10, ring exchanger three, 11, universal monitor substation one,
12, sensor one, 13, power supply box one, 13.1, intrinsic safety type uninterrupted power source one, 13.2, relay one, 13.3, isolation transformation
Device, 13.4 accumulator, 13.5, switch, 13.6, battery management circuit, 13.7, AC/DC transducer, 13.8, DC/DC mono-, 13.9,
Intrinsic safety processes circuit, 13.10, data acquisition and communication module, 13.11, liquid crystal display, 14, spark gap one, 15, spark gap
Two, 16. spark gaps three, 17, ground substation two, 18, universal monitor substation two, 19, sensor two, 20, power supply box two, 20.1,
Intrinsic safety type uninterrupted power source two, 20.2, relay two, 21, data transmission system, 22, spark gap four, 23, ground substation three,
24, intrinsic safety type optical transmitter and receiver, 25, universal monitor substation three, 26, sensor three, 27, power supply box three, 27.1, intrinsic safety type the most electric
Source three, 27.2, relay three, 28, sensor input signal Wiring area, 29, the control of universal monitor substation one output, feed defeated
Enter signal Wiring area, 30, power supply, system transfers signal Wiring area, 31, RS485 bus, 32, optical fiber cable for mine, 33, KJJ14A passes
Defeated interface.
Detailed description of the invention
The invention will be further described with specific embodiment below in conjunction with the accompanying drawings.
Embodiment 1:
As shown in Figure 1, the coal mine safety monitoring system based on the transmission of Ethernet platform of the present invention, its structure includes that ground is handed over
Change planes 1, server 2, work station 3, main control computer 4, hot standby machine 5, Monitor And Control Subsystem one, Monitor And Control Subsystem two and Monitor And Control Subsystem
Three, ground switch 1 Connection Service device 2, work station 3, main control computer 4, hot standby machine 5, Monitor And Control Subsystem one, Monitor And Control Subsystem respectively
Two and Monitor And Control Subsystem three and ground switch 1 use the consensus standard of Ethernet to realize and server 2, work station 3, master control
Machine 4, hot standby machine 5, Monitor And Control Subsystem one, Monitor And Control Subsystem two and the communication of Monitor And Control Subsystem three；Monitor And Control Subsystem one includes light
Fine transceiver 6, ground substation 1, ring exchanger 1, ring exchanger 29, ring exchanger 3 10, universal monitor substation
One 11, sensor 1 and power supply box 1, ground switch 1 connects fiber optical transceiver 6, and ground substation 1 connects optical fiber and receives
Sending out device 6, light line transceiver 6 connects ring exchanger 1 and ring exchanger 29 by optical fiber cable for mine 32 respectively, and looped network exchanges
Machine 1 and ring exchanger 29 connect ring exchanger 3 10 respectively, and ring exchanger 3 10 is connected by RS485 bus 31
Universal monitor substation 1, universal monitor substation 1 connects sensor 1 and power supply box one by RS485 bus 31 respectively
13；Power supply box 1 includes intrinsic safety type uninterrupted power source 1 and relay 1, intrinsic safety type uninterrupted power source 1
Connecting relay 1, relay 1 is by RS485 bus 31 connection universal outstation 1, total by RS485
Line 31 realizes can remotely managing of power supply, and then achieves the electric discharge of power-supply battery, improves the peace of coal mine safety monitoring system
Full property and reliability.Monitor And Control Subsystem two includes spark gap 1, spark gap 2 15, spark gap 3 16, ground substation 2 17, leads to
With outstation 2 18, sensor 2 19 and power supply box 2 20, ground switch 1 connects lightning-arrest by KJJ14A coffret 33
Device 1, spark gap 1 connects spark gap 2 15 and spark gap 3 16 respectively, and spark gap 2 15 connects ground substation 2 17；Keep away
Thunder device 3 16 is by mine cable 32 connection universal outstation 2 18, and universal monitor substation 2 18 is respectively by RS485 bus
31 connect sensor 2 19 and power supply box 2 20；Power supply box 2 20 includes intrinsic safety type uninterrupted power source 2 20.1 and relay two
20.2, intrinsic safety type uninterrupted power source 2 20.1 connects relay 2 20.2, and relay 2 20.2 connects logical by RS485 bus 31
With outstation 2 18.Monitor And Control Subsystem three includes data transmission system 21, spark gap 4 22, ground substation 3 23, intrinsic safety type
Optical transmitter and receiver 24, universal monitor substation 3 25, sensor 3 26 and power supply box 3 27, ground switch 1 connects number by Ethernet
According to transmission system 21, data transmission system 21 connects spark gap 4 22, and spark gap 4 22 connects ground substation 3 23；Data are transmitted
System 21 connects intrinsic safety type optical transmitter and receiver 24, intrinsic safety type optical transmitter and receiver 24 connection universal outstation 3 25 by optical fiber cable for mine 32, leads to
Sensor 3 26 and power supply box 3 27 is connected by RS485 bus 31 respectively with outstation 3 25；Power supply box 3 27 includes this
Peace type uninterrupted power source 3 27.1 and relay 3 27.2, intrinsic safety type uninterrupted power source 3 27.1 connects relay 3 27.2, continues
Electrical equipment 3 27.2 is by RS485 bus 31 connection universal outstation 3 25.
As shown in Figure 2, sensor 1 is connected to the sensor input signal Wiring area 28 of universal monitor substation 1
Or the control output of universal monitor substation 1, feed input signal Wiring area 29；Sensor 2 19 is connected to universal monitor
The sensor input signal Wiring area 28 of substation 2 18 or the control of universal monitor substation 2 18 export, feed input signal connects
Line district 29；Sensor 3 26 is connected to the sensor input signal Wiring area 28 of universal monitor substation 3 25 or universal monitor divides
Stand 3 25 control output, feed input signal Wiring area 29.
As shown in Figure 3, sensor 1 is connected to the power supply of universal monitor substation 1 by main transmission line, system passes
Defeated signal Wiring area 30；Sensor 2 19 is connected to the power supply of universal monitor substation 2 18 by main transmission line, system transfers is believed
Number Wiring area 30；Sensor 3 26 is connected to the power supply of universal monitor substation 3 25 by main transmission line, system transfers signal connects
Line district 30.
Sensor one, sensor two and sensor three be firedamp sensor (KGJ16B), carbon monoxide transducer (KGA5),
Oxygen sensor (KGQ7), carbon dioxide sensor (KGQ9), air velocity transducer (GFY15), temperature sensor (KG3007A),
Dust sensor (GCG1000), pressure transducer (KGY3A) or level sensor (KGU9).
As a example by KGA5 carbon monoxide transducer, sensor is by sensing head, testing circuit, direct current amplifier, A/D conversion
Device, infrared receiving terminal, single-chip microcomputer and the part composition such as display circuit and output circuit.
The external cabling of sensor uses aviation socket mode, joins outward 1.5 meters of cable (models of a band aviation plug
MHYVR-1 × 5 × 7/0.3, external diameter about 8 mm).The definition of each pin of aviation plug and the corresponding relation of cable core:
No. 1 foot～the red core of cable～power supply+
No. 2 feet～the white core of cable～power supply-
No. 3 feet～cable indigo plant core～signal+
No. 4 feet～the green core of cable～signal
No. 5 feet～cable Huang core～NC(are empty)
When sensor carries out data communication with 485 interfaces and outside, first have to set address with remote controller, to guarantee simultaneously
Communication protocol is consistent with the special puppy parc of this sensor.Red light emitting diodes (H2) instruction of wiring board display window connects
Receive data, green LED (H3) instruction the machine sends data.Shorting stub K3 is used for arranging the terminal resistance of 485 interfaces
(when sensor is in the end of data telecommunication line, short circuit K3).
The remote control of sensor adjusts: can be adjusted after preheating 15 minutes, and normal adjustment should possess two conditions: fresh
Air, the standard gas sample of fixed concentration.Adjustment order should be first zeroising, then Adjustment precision.After sensor energising, LED is first
Show that "-CO-", the most successively display alarm point, sensor address, initialization have shown and show the concentration value recorded afterwards.Sensing
The adjustment of device by remote controller operation, first red numeral method function number when sensor enters adjustment state, latter three
Display measurement data, the numeral method of Suitable content and correspondence is as follows:
Zero point: " 1 ××× "
Precision: " 2 ××× "
Alarm point: " 3 ××× "
Address value: " 4 ××× "
When sensor adjusts, remote controller need to be directed at display window, after pressing " CO " key, enter adjustment state (function 1).By " function
+ " key time, function number is added to function 4 from function 1, then reduces to function 1 from function 4 by " function-".After user adjusts
" exiting " key must be pressed and exit remote control debugging mode, enter normal display state.
Debugging step:
(1) zeroising: when being passed through fresh air, by " function+" on remote controller or " function-", enters state 1, and charactron shows
Registration is " 1 XXX ", then by " parameter+" or " parameter-", makes numeral method " 1 000 "；
(2) precision is adjusted: be passed through the standard CO gas sample of about 200 × 10-6 concentration to sensor, by " the merit on telecontrol panel
Can+" or " function-", making numeral method value is " 2 XXX ", then by " parameter+" or " parameter-", makes show value correspondence Standard Gases
The concentration of body.Then pass to fresh air, make numeral method 000, then be passed through the standard CO gas more than 700 × 10-6 concentration
Sample, adjusts remote controller by same method, makes numeral method value in the range of error of measured value；
(3) alarm point: by " function+" or " function-" on telecontrol panel, makes numeral method " 3 XXX " (set when dispatching from the factory
It is 24), when user needs to adjust, make numeral method be user's required value by " parameter+" or " parameter-"；
(4) address number: the adjustment of address parameter only just needs when using RS485 communication to arrange.By on telecontrol panel
" function+" or " function-" makes numeral method " 4 XXX " (0≤XXX≤255), when user needs to adjust, by " parameter+" or
" parameter-", making numeral method is user's required value.
As shown in Figure 4, power supply box 1, power supply box 2 20 and power supply box 3 27 the most also include isolating transformer
13.3, accumulator 13.4, switch 13.5, battery management circuit 13.6, AC/DC transducer 13.7, DC/DC mono-(DC chopped-wave
Device) 13.8, intrinsic safety process circuit 13.9, data acquisition and communication module 13.10 and liquid crystal display 13.11, different voltages etc.
The alternating current power supply of level connects the input of isolating transformer 13.3, and the outfan of isolating transformer 13.3 connects AC/DC transducer
13.7, AC/DC transducers 13.7 export galvanic current pressure, and this DC voltage one tunnel connects through battery management circuit 13.6
To accumulator 13.4 and between accumulator 13.4 and battery management circuit 13.6 install switch 13.5, switch 13.5 effect be
After power supply is uncapped, accumulator 13.4 and battery management circuit 13.6 are disconnected；Other three tunnels are at DC/DC 1 and intrinsic safety
Reason circuit 13.9 exports stable intrinsic safety type uninterrupted power source and intrinsic safety processes circuit 13.9 and battery management circuit 13.6 all connects
Connect data acquisition and communication module 13.10, data acquisition and communication module 13.10 and connect liquid crystal display 13.11；For satisfied basis
Matter security performance requirement, uses dual over-current over-voltage protection, makes output meet intrinsic safety performance requirement；When AC outage, store
In battery, the electric energy of storage processes circuit discharging by DC/DC and intrinsic safety, and the power supply keeping stable exports, it is achieved uninterruptedly supply
Electricity Functional；Voltage and current, the battery-operated state of 3 road intrinsic safety electric sources outputs, alternate current states can be on LCD panel
Display, simultaneously by the connection of RS485 bus, it is achieved that the controlled long-range management of power-supply battery.
Power supply control with display monitoring power supply use KDW65 mine explosion-suppression and intrinsic safety type uninterrupted power source, intrinsic safety type not between
Power-off source is D.C. regulated power supply, is suitable to there being gas, the environment of coal dust explosion hazard is powered to mining intrinsic safety type equipment.
This power supply provides 3 road intrinsic safety electric source outputs, the output of power supply state signal.The voltage and current of 3 road intrinsic safety electric source outputs, storage
Cell operating status, power supply state signal can show on LCD panel, can upload simultaneously.
As shown in Figure 5, ring exchanger 1, ring exchanger 29, ring exchanger 10(SICOM3024) three all adopt
With the embedded networking module of NE-4100T() serial data of RS485 bus 31 is converted into Ethernet data by industrial network, real
The serial data of RS485 bus and the conversion of Ethernet data are showed.The embedded networking module of NE-4100T() include that power supply is defeated
Enter end 8.1, power supply adjustment unit 8.2, Ethernet switch unit 8.3, Ethernet turn TTL module 8.4, light-coupled isolation unit
8.5, DC/DC 2 8.7 and RS485 driver element 8.6, power input 8.1 connects a road power supply adjustment unit 8.2 respectively, and one
Road power supply adjustment unit 8.2 connects Ethernet switch unit 8.3, and Ethernet switch unit 8.3 connects Ethernet and turns TTL mould
Block 8.4, Ethernet switch unit 8.3 is provided with Ethernet optical fiber 8.8 and Ethernet electrical interface 8.9；Another road power supply is adjusted
Whole unit 8.2 connects DC/DC 2 8.7 respectively and Ethernet turns TTL module 8.4, Ethernet turn TTL module 8.4 connect optocoupler every
From unit 8.5, light-coupled isolation unit 8.5 connects RS485 driver element 8.6, and RS485 driver element 8.6 connects DC/DC bis-
8.7, NE-4100T realize ethernet signal is converted into the output of RS485 signal, electrolyte ethernet signal conversion light is situated between simultaneously
Matter is transmitted.
By detailed description of the invention above, described those skilled in the art can readily realize the present invention.But should
Working as understanding, the present invention is not limited to above-mentioned detailed description of the invention.On the basis of disclosed embodiment, described technical field
Technical staff can the different technical characteristic of combination in any, thus realize different technical schemes.
In addition to the technical characteristic described in description, it is the known technology of those skilled in the art.
Claims (9)
1. based on Ethernet platform transmission a coal mine safety monitoring system, including ground switch, server, work station,
Main control computer and hot standby machine, it is characterised in that: also include Monitor And Control Subsystem one, Monitor And Control Subsystem two and Monitor And Control Subsystem three, described
Ground switch Connection Service device respectively, work station, main control computer, hot standby machine, Monitor And Control Subsystem one, Monitor And Control Subsystem two and monitoring
Subsystem three and ground switch use the consensus standard of Ethernet to realize and server, work station, main control computer, hot standby machine, prison
Control subsystem unification, Monitor And Control Subsystem two and the communication of Monitor And Control Subsystem three；Described Monitor And Control Subsystem one include fiber optical transceiver,
Face substation one, ring exchanger one, ring exchanger two, ring exchanger three, universal monitor substation one, sensor one and power supply
Case one, ground switch connects fiber optical transceiver, and ground substation one connects fiber optical transceiver, and light line transceiver is respectively by mining
Optical cable connects ring exchanger one and ring exchanger two, ring exchanger one and ring exchanger two connect looped network exchange respectively
Machine three, ring exchanger three is by RS485 bus connection universal outstation one, and universal monitor substation one passes through RS485 respectively
Bus connects sensor one and power supply box one；Power supply box one includes intrinsic safety type uninterrupted power source one and relay one, and intrinsic safety type is not
Uninterruptible power one connects relay one, and relay one is by RS485 bus connection universal outstation one.
Coal mine safety monitoring system based on the transmission of Ethernet platform the most according to claim 1, it is characterised in that: described
Monitor And Control Subsystem two includes spark gap one, spark gap two, spark gap three, ground substation two, universal monitor substation two, sensor two
With power supply box two, ground switch connects spark gap one by KJJ14A coffret, and spark gap one connects spark gap two respectively
With spark gap three, spark gap two connects ground substation two；Spark gap three is by mine cable connection universal outstation two, general
Outstation two connects sensor two and power supply box two by RS485 bus respectively；Power supply box two includes that intrinsic safety type is the most electric
Source two and relay two, intrinsic safety type uninterrupted power source two connects relay two, and relay two is supervised by RS485 bus connection universal
Control substation two.
Coal mine safety monitoring system based on the transmission of Ethernet platform the most according to claim 1 and 2, it is characterised in that:
Described Monitor And Control Subsystem three includes that data transmission system, spark gap four, ground substation three, intrinsic safety type optical transmitter and receiver, universal monitor divide
Standing three, sensor three and power supply box three, ground switch connects data transmission system by Ethernet, and data transmission system connects
Spark gap four, spark gap four connects ground substation three；Data transmission system connects intrinsic safety type optical transmitter and receiver, intrinsic safety by optical fiber cable for mine
Type optical transmitter and receiver connection universal outstation three, universal monitor substation three connects sensor three and power supply by RS485 bus respectively
Case three；Power supply box three includes intrinsic safety type uninterrupted power source three and relay three, and intrinsic safety type uninterrupted power source three connects relay three,
Relay three is by RS485 bus connection universal outstation three.
Coal mine safety monitoring system based on the transmission of Ethernet platform the most according to claim 3, it is characterised in that: described
The control that sensor one is connected to the sensor input signal Wiring area of universal monitor substation one or universal monitor substation one is defeated
Go out, feed input signal Wiring area；Sensor two be connected to universal monitor substation two sensor input signal Wiring area or
The control output of universal monitor substation two, feed input signal Wiring area；Sensor three is connected to the biography of universal monitor substation three
The control output of sensor input signal Wiring area or universal monitor substation three, feed input signal Wiring area.
Coal mine safety monitoring system based on the transmission of Ethernet platform the most according to claim 3, it is characterised in that: described
Sensor one is connected to the power supply of universal monitor substation one, system transfers signal Wiring area by main transmission line；Sensor two-way
Cross main transmission line and be connected to the power supply of universal monitor substation two, system transfers signal Wiring area；Sensor three passes through main transmission line
It is connected to the power supply of universal monitor substation three, system transfers signal Wiring area.
Coal mine safety monitoring system based on the transmission of Ethernet platform the most according to claim 5, it is characterised in that: described
Sensor one, sensor two and sensor three are firedamp sensor, carbon monoxide transducer, oxygen sensor, carbon dioxide biography
Sensor, air velocity transducer, temperature sensor, dust sensor, pressure transducer or level sensor.
Coal mine safety monitoring system based on the transmission of Ethernet platform the most according to claim 3, it is characterised in that: described
Power supply box one, power supply box two and power supply box three the most also include isolating transformer, accumulator, switch, battery management circuit, AC/
DC transducer, DC/DC mono-, intrinsic safety process circuit, data acquisition and communication module and liquid crystal display, different electric pressures
Alternating current power supply connects the input of isolating transformer, and the outfan of isolating transformer connects AC/DC transducer, and AC/DC changes
Device output galvanic current pressure, this DC voltage one tunnel is connected to accumulator and accumulator and battery through battery management circuit
Between management circuit, switch is installed；The intrinsic safety type that other three tunnels process circuit output stable through DC/DC mono-and intrinsic safety is the most electric
Source and intrinsic safety process circuit and battery management circuit is all connected with data acquisition and communication module, data acquisition and communication module even
Connect liquid crystal display.
Coal mine safety monitoring system based on the transmission of Ethernet platform the most according to claim 1, it is characterised in that: described
Ring exchanger one, ring exchanger two, ring exchanger three all use NE-4100T industrial network by the serial ports of RS485 bus
Data are converted into Ethernet data.
Coal mine safety monitoring system based on the transmission of Ethernet platform the most according to claim 8, it is characterised in that: described
NE-4100T includes that power input, power supply adjustment unit, Ethernet switch unit, Ethernet turn TTL module, light-coupled isolation
Unit, DC/DC bis-and RS485 driver element, power input connects a road power supply adjustment unit respectively, and a road power supply adjusts single
Unit connects Ethernet switch unit, and Ethernet switch unit connects Ethernet and turns TTL module, on Ethernet switch unit
It is provided with Ethernet optical fiber and Ethernet electrical interface；Another road power supply adjustment unit connects DC/DC bis-respectively and Ethernet turns TTL
Module, Ethernet turns TTL module and connects light-coupled isolation unit, and light-coupled isolation unit connects RS485 driver element, and RS485 drives
Unit connects DC/DC bis-.
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Application publication date: 20161116 |