CN203812080U - Coal mine downhole gas monitoring and controlling system - Google Patents
Coal mine downhole gas monitoring and controlling system Download PDFInfo
- Publication number
- CN203812080U CN203812080U CN201420246992.1U CN201420246992U CN203812080U CN 203812080 U CN203812080 U CN 203812080U CN 201420246992 U CN201420246992 U CN 201420246992U CN 203812080 U CN203812080 U CN 203812080U
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- coal mine
- interface unit
- gas monitoring
- controller
- controlling system
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
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Abstract
The utility model relates to the coal mine gas monitoring field, especially relates to a coal mine downhole gas monitoring and controlling system comprising a ground part and a downhole part. The ground part comprises a data interface device, a central station computer, and a network terminal. The downhole part comprises a substation device, a sensor, and a controller. The data interface device of the ground part is connected with a firewall server by a data line, and the firewall server is provided with an external network equipment interface. The substation device of the downhole part comprises a substation explosion-proof control case, a touch screen, a control assembly, and a power supply assembly. The coal mine downhole gas monitoring and controlling system is advantageous in that the external network terminal equipment access function is provided, and the downhole device has a small size; the wiring is simple, and the installation, the use, and the maintenance are convenient; the applicability is strong, the stability is high, the safety performance is good; the man-machine communication interface is provided, the man-machine interaction function can be realized, and the control ability can be enhanced.
Description
Technical field
The utility model relates to coal-mine gas monitoring field, relates in particular to safely, and underground equipment volume is little, strong adaptability, and stability is high, installation, use, a kind of coal mine gas monitoring and controlling system easy to maintenance.
Background technology
At present, existing coal mine gas monitoring and controlling system comprises above ground portion and down-hole part, and wherein above ground portion comprises DIU data interface unit, and the central station computer being connected with DIU data interface unit and each network terminal; Down-hole part comprises a plurality of sub-station apparatus that are connected with DIU data interface unit, be connected to various types of sensors and controller and independent setting on each sub-station apparatus, and with sub-station apparatus and sensor, controller is connected, and is the flame-proof mine power supply of sub-station apparatus, sensor, controller power supply.The equipment of above ground portion can only form a LAN (Local Area Network) conventionally, central station computer or other the network terminal by LAN (Local Area Network) inside detect and send other operational orders to whole coal mine gas Inspection and monitoring system, and outer net terminal device cannot conveniently access coal mine gas Inspection and monitoring system running situation is monitored; The split type setting of the different parts of down-hole part, exists volume larger conventionally, and inconvenience is installed when installing and using, wiring is complicated, be prone to mistake, while safeguarding, because circuit is in disorder, cause safeguarding inconvenience, because all stube cables are all exposed to the problem of outer caused safety in utilization deficiency.In addition, existing coal mine gas monitoring and controlling system adopts single-chip microcomputer as the core control element of Control Component in sub-station apparatus conventionally, environment for use inclement condition due to sub-station apparatus, single-chip microcomputer very easily breaks down as the Control Component of core control element, produce wrong report, thereby cause the stability of whole coal mine gas monitoring and controlling system bad, if even single-chip microcomputer is that the Control Component of core control element breaks down, the system that cannot guarantee is normally worked, at gas leakage, it is normally alarm, power-off, also can cause the generation of the even more serious security incident such as gas explosion.The down-hole part of existing coal mine gas monitoring and controlling system does not have man-machine communication interface intuitively, all pilot signals of being collected by sub-station apparatus need send it to central station computer and other network terminals by sub-station apparatus, display monitoring information in real time on the display screen of central station computer or other network terminals, but cannot allow underground work personnel see intuitively on sub-station apparatus, if there is pilot signal is extremely necessary, by ground staff, notify underground staff, by underground staff, checked on the spot again, pilot process trouble, easily delay the processing to abnormal conditions.
Summary of the invention
The purpose of this utility model does not have outer net terminal device access function in order to solve the existing above ground portion of existing coal mine gas monitoring and controlling system exactly, and outer net equipment cannot conveniently access coal mine gas Inspection and monitoring system running situation is monitored; The piece volumes of down-hole part is larger, and wiring is complicated, installs, safeguards inconvenience, safety in utilization is not enough, and failure rate is high, does not have the problem at man-machine communication interface, and provide a kind of outer net terminal device access function that has, underground equipment volume is little, and wiring is simple, installation, use, easy to maintenance, strong adaptability, stability is high, and security is good, has the coal mine gas monitoring and controlling system at man-machine communication interface.
The technical solution adopted in the utility model is:
A kind of coal mine gas monitoring and controlling system, comprise above ground portion and down-hole part, above ground portion comprises DIU data interface unit, by data line and central station computer and the network terminal that in DIU data interface unit, corresponding interface is connected, described DIU data interface unit, central station computer and each network terminal are electrically connected to city by cable respectively respectively; Described down-hole part comprises the sub-station apparatus being connected with DIU data interface unit and sensor and the controller being connected with sub-station apparatus with cable by data line, in described above ground portion, in DIU data interface unit, by data line, be connected with firewall server, described firewall server is provided with outer net equipment interface, and firewall server is electrically connected to city by cable; In the part of described down-hole, sub-station apparatus comprises substation flame proof control box, described substation flame proof control box comprises casing and the spiral-lock case lid on box opening, the upper left side of described case lid embeds a touch-screen is installed, described box house lower left is provided with an employing programmable logic controller (PLC) as the Control Component of core control element, the right side that box house is positioned at touch-screen and Control Component is provided with power supply module, described power supply module is connected with external power source, and is touch-screen, Control Component and the sensor being connected with sub-station apparatus, controller power supply; Described Control Component is connected with touch-screen, DIU data interface unit, sensor, controller respectively by data line.
The programmable logic controller (PLC) that in the part of described down-hole, the Control Component of sub-station apparatus adopts is Siemens S7-300 series programmable logic controller (PLC), on described programmable logic controller (PLC), be provided with RS485 communication interface, Control Component is connected with DIU data interface unit by RS485 communication interface.
In the part of described down-hole, between sub-station apparatus and DIU data interface unit, adopt Profibus-DP communications protocol to carry out communication data transmission, and the data line connecting between the two is special communication cable under coal mine.
Described power supply module comprises external power supply terminal, the voltage transforming rectifier being connected with external power supply terminal and the accumulator being connected with voltage transforming rectifier and direct current source plate, described power supply module is connected with touch-screen, Control Component by voltage transforming rectifier, by direct current source plate, is connected with sensor, controller.
On the sidewall of the casing of described substation flame proof control box, be provided with signal terminal web joint, described signal terminal web joint is connected with the programmable logic controller (PLC) of Control Component by data line, and Control Component is connected with DIU data interface unit, sensor, controller by signal terminal web joint.
The described network terminal being connected with DIU data interface unit comprises display and printer.
Described sensor comprises air door switch sensor, wind tube wind quantity sensor, equipment on/off transducer, methane transducer, air velocity transducer, temperature sensor, carbon monoxide transducer, differential pressure pick-up; Described controller comprises circuit breaking controller.
The beneficial effects of the utility model are:
A kind of coal mine gas monitoring and controlling system that the utility model provides, in its above ground portion, in DIU data interface unit, by data line, be connected with firewall server, described firewall server is provided with outer net equipment interface, make native system have outer net equipment access function, outer net terminal device can conveniently access coal mine gas Inspection and monitoring system running situation is monitored, its down-hole part-structure is reasonable, compact, and Control Component and power supply module are placed in same substation flame proof control box, makes whole device volume small and exquisite, easy for installation, is applicable to the various space requirements in down-hole, and in substation flame proof control box, the required cable of internal circuit is all connected complete, during use, only need on external power supply terminal, access power lead, on signal terminal web joint, connect DIU data interface unit, sensor, controller, install, safeguard very convenient, because all interconnection cables are all arranged in substation flame proof control box, make the security of whole device higher, adopt the core control element that programmable logic controller (PLC) is Control Component, quality assurance due to the manufactured goods of industrial control product, make this sub-station apparatus can keep good stability under the severe service condition in down-hole, and then the failure rate of reduction coal mine gas monitoring and controlling system, especially the programmable logic controller (PLC) of selecting is Siemens S7-300 series programmable logic controller (PLC), and the I/O interface of its abundant switching value, controlled quentity controlled variable, analog quantity makes the circuit of system connect convenient, down-hole part on coal mine gas monitoring and controlling system arranges touch-screen, can use touch-screen to realize inquiry, curve, form, the functions such as record, use after this touch-screen, failure rate is low, can man-machine interaction, strengthen control ability, the pilot signal of being collected by sub-station apparatus need send it to central station computer and other network terminals by sub-station apparatus can allow underground work personnel see intuitively on sub-station apparatus simultaneously, now underground staff can arrive on the spot and check rapidly, omit pilot process, can not delay the processing to abnormal conditions, on the sidewall of the casing of substation flame proof control box, be provided with signal terminal web joint, while connecting DIU data interface unit in coal mine gas monitoring and controlling system, sensor or controller, only the data line of DIU data interface unit, sensor or controller need be inserted to signal terminal web joint by the four fast plugs in hole, make the installation of this device very convenient, in the part of down-hole, between sub-station apparatus and DIU data interface unit, adopt Profibus-DP communications protocol to carry out communication data transmission, and the data line connecting between the two is special communication cable under coal mine, can make the communication data that is sent to DIU data interface unit by sub-station apparatus transmit more stable, and its transmission range is increased greatly, 20Km can be reached farthest, the requirement of colliery underground mining distance can be met.
In a word, a kind of coal mine gas monitoring and controlling system that the utility model provides has outer net terminal device access function, underground equipment volume is little, and wiring is simple, installation, use, easy to maintenance, strong adaptability, stability is high, and security is good, has man-machine communication interface, can man-machine interaction, strengthen the advantage of control ability.
Accompanying drawing explanation
Fig. 1 is that each parts of a kind of coal mine gas monitoring and controlling system of providing of the utility model connect block diagram.
Fig. 2 is the perspective view of the sub-station apparatus of down-hole part in a kind of coal mine gas monitoring and controlling system of providing of the utility model.
Fig. 3 is that the sub-station apparatus of down-hole part in a kind of coal mine gas monitoring and controlling system of providing of the utility model is removed after case lid, box inner structure schematic diagram.
In figure: 1, DIU data interface unit; 2, central station computer; 3, the network terminal 4, sub-station apparatus; 5, sensor; 6, controller; 7, firewall server; 41, substation flame proof control box; 42, touch-screen; 43; Control Component; 44, power supply module; 45, signal terminal web joint; 411, casing; 412, case lid; 441, external power supply terminal; 442, voltage transforming rectifier; 443, accumulator; 444, direct current source plate.
Embodiment
Core of the present utility model is to provide a kind of coal mine gas monitoring and controlling system.
Below in conjunction with accompanying drawing, content of the present utility model is described further:
A kind of coal mine gas monitoring and controlling system, as shown in Fig. 1 ~ Fig. 3, comprise above ground portion and down-hole part, above ground portion comprises DIU data interface unit 1, in DIU data interface unit 1 corresponding interface by data line respectively with central station computer 2, the network terminal 3 and firewall server 7 connect, firewall server 7 is provided with outer net equipment interface, the network terminal 3 being connected with DIU data interface unit 1 comprises display and printer, DIU data interface unit 1, central station computer 2, each network terminal 3 and firewall server 7 are connected with 220V electric main by cable respectively, down-hole part comprises the sub-station apparatus 4 being connected with DIU data interface unit 1 and sensor 5 and the controller 6 being connected with sub-station apparatus 4 with cable by data line, in the part of described down-hole, sub-station apparatus 4 comprises substation flame proof control box 41, substation flame proof control box 41 comprises casing 411 and the case lid 412 of spiral-lock on casing 411 openings, the upper left side of case lid 412 embeds a touch-screen 42 is installed, the inner lower left of casing 411 is provided with one and adopts Siemens S7-300 series programmable logic controller (PLC) as the Control Component 43 of core control element, on programmable logic controller (PLC), be provided with RS485 communication interface, Control Component 43 is connected with DIU data interface unit 1 by special communication cable under RS485 communication interface and coal mine, and adopt Profibus-DP communications protocol to carry out communication data transmission between sub-station apparatus 4 and DIU data interface unit 1, Control Component 43 is connected with touch-screen 42 by data line, the right side that casing 411 inside are positioned at touch-screen 42 and Control Component 43 is provided with power supply module 44, power supply module 44 comprises external power supply terminal 441, the voltage transforming rectifier 442 being connected with external power supply terminal 441 and the accumulator 443 being connected with voltage transforming rectifier 442 and direct current source plate 444, wherein external power supply terminal 441 comprises that 660V exchanges access digit, 380V exchanges access digit and 220V exchanges access digit, direct current source plate 444 comprises 12V direct current source plate and 18V direct current source plate, power supply module 44 is connected with external power source by external power supply terminal 441, by voltage transforming rectifier 442 and touch-screen 42, Control Component 43 connects, by direct current source plate 444 and sensor 5, controller 6 connects, for touch-screen 42, Control Component 43 and the sensor 5 being connected with sub-station apparatus 4, controller 6 power supplies, on the sidewall of the casing 411 of substation flame proof control box 41, be provided with signal terminal web joint 45, signal terminal web joint 45 is connected with RS485 communication interface and other I/O ports of programmable logic controller (PLC) by data line, and DIU data interface unit 1, sensor 5, controller 6 are inserted into signal terminal web joint 45 by the four fast plugs in hole that connect cable head and install and are connected with Control Component 43, sensor 5 in the part of down-hole comprises air door switch sensor, wind tube wind quantity sensor, the equipment on/off transducer that sends switching value signal, send methane transducer, air velocity transducer, temperature sensor, carbon monoxide transducer, the differential pressure pick-up of analog signals, controller 6 in the part of down-hole comprises circuit breaking controller, the free-ended end of the data line of the connection of each sensor 5 and controller 6 is all provided with the four fast plugs in hole, and the described four fast plugs in hole can be inserted in the corresponding terminal jacks of signal terminal web joint 45.
During use, the four fast plugs in hole of first DIU data interface unit 1, sensor 5, controller 6 connection data the end of a thread portions being installed are inserted into signal terminal web joint 45, then on external power supply terminal 441, connect external power supply according to the voltage condition of external power supply.A kind of coal mine gas monitoring and controlling system that the utility model provides, adopt Siemens S7-300 series programmable logic controller (PLC) as the core control element of sub-station apparatus 4 Control Components in the part of down-hole, this programmable logic controller (PLC) can receive 8 way switch amount signals, 8 road analog signalses, export 8 tunnel controlled quentity controlled variable signals, wherein, send the air door switch sensor of switching value signal, wind tube wind quantity sensor, equipment on/off transducer accesses the switching value signal access terminal of this programmable logic controller (PLC), send the methane transducer of analog signals, air velocity transducer, temperature sensor, carbon monoxide transducer, differential pressure pick-up accesses the analog signals access terminal of this programmable logic controller (PLC), and its 8 tunnel controlled quentity controlled variable signal output terminal can be controlled at most 8 electromechanical equipments.During work, controlled quentity controlled variable signal is associated with methane transducer, methane concentration in coal mine gas monitoring and controlling system monitoring gas, carbon monoxide, wind speed, differential pressure, equipment start-stop, the parameters such as temperature, when the methane in methane gas being detected transfinites, programmable logic controller (PLC) receives concentration signal, output signal is controlled, by circuit breaking controller, performed an action, disconnect corresponding electromechanical equipment, warning staff withdraws from, simultaneously, be installed on the RS485 interface on Siemens S7-300 series programmable logic controller (PLC), can be by the analog quantity receiving, switching value signal passes through interface, transfer to DIU data interface unit 1, after modulation /demodulation, be presented on central station computer 2 and other network terminals 3, by the various states of underground equipment, employing configuration picture shows, and can realize printing, form, warning function, when gas density drops to telegram in reply value, manual release, again to equipment energising running.
In a word, a kind of coal mine gas monitoring and controlling system that the utility model provides has outer net terminal device access function, underground equipment volume is little, and wiring is simple, installation, use, easy to maintenance, strong adaptability, stability is high, and security is good, has man-machine communication interface, can man-machine interaction, strengthen the advantage of control ability.
Claims (7)
1. a coal mine gas monitoring and controlling system, comprise above ground portion and down-hole part, above ground portion comprises DIU data interface unit (1), the central station computer (2) and the network terminal (3) that by the upper corresponding interface of data line and DIU data interface unit (1), are connected respectively, described DIU data interface unit (1), central station computer (2) and each network terminal (3) are electrically connected to city by cable respectively, described down-hole part comprises the sub-station apparatus (4) being connected with DIU data interface unit (1) and sensor (5) and the controller (6) being connected with sub-station apparatus (4) with cable by data line, it is characterized in that: DIU data interface unit in described above ground portion (1) is upper is connected with firewall server (7) by data line, described firewall server (7) is provided with outer net equipment interface, and firewall server (7) is electrically connected to city by cable, in the part of described down-hole, sub-station apparatus (4) comprises substation flame proof control box (41), described substation flame proof control box (41) comprises casing (411) and the case lid (412) of spiral-lock on casing (411) opening, the upper left side of described case lid (412) embeds a touch-screen (42) is installed, the inner lower left of described casing (411) is provided with an employing programmable logic controller (PLC) as the Control Component (43) of core control element, the right side that casing (411) inside is positioned at touch-screen (42) and Control Component (43) is provided with power supply module (44), described power supply module (44) is connected with external power source, and be touch-screen (42), Control Component (43) and the sensor (5) being connected with sub-station apparatus (4), controller (6) power supply, described Control Component (43) is connected with touch-screen (42), DIU data interface unit (1), sensor (5), controller (6) respectively by data line.
2. coal mine gas monitoring and controlling system according to claim 1, it is characterized in that: the programmable logic controller (PLC) that in the part of described down-hole, the Control Component (43) of sub-station apparatus (4) adopts is Siemens S7-300 series programmable logic controller (PLC), on described programmable logic controller (PLC), be provided with RS485 communication interface, Control Component (43) is connected with DIU data interface unit (1) by RS485 communication interface.
3. coal mine gas monitoring and controlling system according to claim 2, it is characterized in that: in the part of described down-hole, between sub-station apparatus (4) and DIU data interface unit (1), adopt Profibus-DP communications protocol to carry out communication data transmission, and the data line connecting between the two is special communication cable under coal mine.
4. coal mine gas monitoring and controlling system according to claim 1, it is characterized in that: described power supply module (44) comprises external power supply terminal (441), the voltage transforming rectifier (442) being connected with external power supply terminal (441) and the accumulator (443) being connected with voltage transforming rectifier (442) and direct current source plate (444), described power supply module (44) is connected with touch-screen (42), Control Component (43) by voltage transforming rectifier (442), by direct current source plate (444), is connected with sensor (5), controller (6).
5. coal mine gas monitoring and controlling system according to claim 1, it is characterized in that: on the sidewall of the casing (411) of described substation flame proof control box (41), be provided with signal terminal web joint (45), described signal terminal web joint (45) is connected with the programmable logic controller (PLC) of Control Component (43) by data line, and Control Component (43) is connected with DIU data interface unit (1), sensor (5), controller (6) by signal terminal web joint (45).
6. coal mine gas monitoring and controlling system according to claim 1, is characterized in that: the described network terminal (3) being connected with DIU data interface unit (1) comprises display and printer.
7. coal mine gas monitoring and controlling system according to claim 1, is characterized in that: described sensor (5) comprises air door switch sensor, wind tube wind quantity sensor, equipment on/off transducer, methane transducer, air velocity transducer, temperature sensor, carbon monoxide transducer, differential pressure pick-up; Described controller (6) comprises circuit breaking controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420246992.1U CN203812080U (en) | 2014-05-15 | 2014-05-15 | Coal mine downhole gas monitoring and controlling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420246992.1U CN203812080U (en) | 2014-05-15 | 2014-05-15 | Coal mine downhole gas monitoring and controlling system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203812080U true CN203812080U (en) | 2014-09-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420246992.1U Expired - Fee Related CN203812080U (en) | 2014-05-15 | 2014-05-15 | Coal mine downhole gas monitoring and controlling system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203812080U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104020734A (en) * | 2014-05-15 | 2014-09-03 | 河南工程技术学校 | Underground coal mine gas monitoring system |
| CN107701238A (en) * | 2017-11-13 | 2018-02-16 | 中煤科工集团重庆研究院有限公司 | Coal and gas outburst early warning device and method |
| CN111005765A (en) * | 2019-12-31 | 2020-04-14 | 重庆菲莫科技有限公司 | Underground coal mine data transmission method and system |
-
2014
- 2014-05-15 CN CN201420246992.1U patent/CN203812080U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104020734A (en) * | 2014-05-15 | 2014-09-03 | 河南工程技术学校 | Underground coal mine gas monitoring system |
| CN107701238A (en) * | 2017-11-13 | 2018-02-16 | 中煤科工集团重庆研究院有限公司 | Coal and gas outburst early warning device and method |
| CN107701238B (en) * | 2017-11-13 | 2019-05-03 | 中煤科工集团重庆研究院有限公司 | Coal and gas outburst early warning device and method |
| CN111005765A (en) * | 2019-12-31 | 2020-04-14 | 重庆菲莫科技有限公司 | Underground coal mine data transmission method and system |
| CN111005765B (en) * | 2019-12-31 | 2021-06-11 | 重庆菲莫科技有限公司 | Underground coal mine data transmission method and system |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140903 Termination date: 20150515 |
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| EXPY | Termination of patent right or utility model |