CN203012468U - Embedded coal mine underground electric power safety monitoring system based on Ethernet - Google Patents
Embedded coal mine underground electric power safety monitoring system based on Ethernet Download PDFInfo
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- CN203012468U CN203012468U CN2012206686567U CN201220668656U CN203012468U CN 203012468 U CN203012468 U CN 203012468U CN 2012206686567 U CN2012206686567 U CN 2012206686567U CN 201220668656 U CN201220668656 U CN 201220668656U CN 203012468 U CN203012468 U CN 203012468U
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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 discloses an embedded coal mine underground electric power safety monitoring system based on the Ethernet. The embedded coal mine underground electric power safety monitoring system based on the Ethernet comprises a ground microcomputer management system, embedded monitoring substations and intelligent electric power devices, wherein the ground microcomputer management system comprises an Ethernet communication interface and a monitoring host, the monitoring host is directly connected with the Ethernet communication interface and a CAN communication interface, communication between the monitoring host of the ground microcomputer management system and the embedded monitoring substations is realized in two communication modes employing a CAN field bus and the Ethernet, and communication between the embedded monitoring substations and the intelligent electric power devices is realized by a communication mode employing an RS-485. The embedded coal mine underground electric power safety monitoring system based on the Ethernet can not only monitor an operation mode and related electrical parameters of a power supply system, but also carry out dynamic management on all power supply equipment in a whole mine, greatly improves a management level of a coal mine electrical network and use efficiency of equipment and facilitates safety production of the coal mine.
Description
Technical field
The utility model relates generally to technical field, relates in particular to a kind of based on electric power safety supervisory system under the embedded coal mine of Ethernet.
Background technology
Along with the increase with underground power supply used distance of improving constantly of colliery up-to-dateness, under coal mine, power system device reliability of operation, continuity and security have become one of key of Safety of Coal Mine Production.Be widely used in the coal in China industry as the computer technology of representative is own take PC and PLC in early days.At present Coal Mine Power Distribution System computer utility is mainly reflected in the aspects such as the Microcomputer Protection, computer management, microcomputer detection of electric substation on coal mine, and has obtained effect preferably.Yet the colliery form of substation in underground mining area is mainly the important production link services such as coal mining, ventilation, driving, transportation, draining in contrast to this
[1-4], due to these workplace complex geologic conditions, there are the gas and coal dust events such as roof fall accident of gathering, drip, insulation of electrical installation intensity is reduced gradually, a series of faults such as electric leakage and single-phase earthing easily appear.If the untimely eliminating of this class fault can cause under each phase line long-time running on-Line Voltage of electrical network, so that insulation breakdown, two-phase or three-phase shortcircuit accident even occur.The arc energy that produces when breaking down can cause gas, coal dust explosion, directly jeopardizes personal safety and mine production.So, colliery underground power supply system Real Time Monitoring is seemed very important.
In addition, wide due to the zone that needs under mine to monitor, the control point disperses, the object of monitoring is of a great variety, need a large amount of human and material resources and the financial resources of cost carry out administering and maintaining of equipment, and the maintainer is not enough, the maintenance service backwardness oneself become weak link in management.And the occurrence probability of this class event is less, and have randomness and a uncertainty, can not the on-line monitoring on-the-spot all equipment running status of traditional supervisory system method, in time carry out fault diagnosis, in advance fault is got rid of, but just carry out fault diagnosis after equipment paralysis by the time, to increase the difficulty of maintenance for this reason, this equipment is scrapped owing in time not rushing to repair, the equipment work that can affect whole production line out of service, and also most of accident is because these hidden danger occur.
Given this, the utility model has designed and based on electric power safety supervisory system under the embedded coal mine of Ethernet, this system passes through the embedded monitoring substation as relay station, the speed and the shortening system that improve the system acquisition data patrol the survey cycle, thereby improve the overall performance of system, play a part to form a connecting link in the whole system structure.The intelligent electric power device surface carries out real-time data acquisition to on-the-spot power equipment.
The embedded monitoring substation has designed CAN bus communication interface, ethernet interface and RS-485 and RS-232 serial ports, has so just formed the supervisory system of two layers of mesh and Multistage Control.Namely be connected to the ground monitoring main frame by the CAN bus, ethernet interface is connected on Intranet and Internet, communicates by RS-485 and intelligent electric power device simultaneously.
The utility model content
The utility model purpose is exactly in order to make up the defective of prior art, a kind of method of operation of electric power system and relevant electric parameter, duty of electrical equipment of not only can monitoring is provided, and can to all power-supply units in full ore deposit carry out dynamic management based on electric power safety supervisory system under the embedded coal mine of Ethernet, greatly improve the management level of Coal Mine Power Network and the service efficiency of equipment, be conducive to the safety in production in colliery.
The utility model is achieved through the following technical solutions:
A kind of based on electric power safety supervisory system under the embedded coal mine of Ethernet, it is characterized in that: include ground computer management system, embedded monitoring substation, intelligent electric power device, described ground computer management system includes ethernet interface, monitoring host computer, a plurality of network computer, a plurality of network computers and monitoring host computer communicate by LAN (Local Area Network), and monitoring host computer directly is connected with ethernet interface, CAN communication interface; It is core processor that described embedded monitoring substation adopts AT91RM9200, and AT91RM9200 is built-in with storage unit, communication interface, input-output unit, man-machine interface, support circuit, power supply and power down protection unit; Described intelligent electric power device adopts 16 single-chip microcomputer 80C196KB as the core, and single-chip microcomputer 80C196KB is connected with power module, input and output photoelectric isolation module, RS-485 communication interface, liquid crystal display and keyboard circuit, warning circuit; Adopt CAN fieldbus and two kinds of communication modes of Ethernet to carry out communication between the monitoring host computer of ground computer management system and embedded monitoring substation, adopt the communication modes of RS-485 to carry out communication between embedded monitoring substation and intelligent electric power device.
Described based on electric power safety supervisory system under the embedded coal mine of Ethernet, it is characterized in that: the built-in storage unit of the AT91RM9200 of described embedded monitoring substation comprises the SDRAM of Flash, 32MB of 8MB and the I of 512KB
2C EEPROM; Communication interface includes Ethernet interface, 2 road CAN interfaces, RS-232 interface, RS-485 interface, USB Device interface and Host interface; Input-output unit comprises 32 road I/O, 8 road A/D, 2 road D/A and 2 road PWM; Man-machine interface comprises 47 sections LED, 4x4 keyboard and 1 's 64 * 128 LCD display interface; Support circuit comprises crystal oscillator, PLL and reset circuit; 5V, 3.6V, 1.8V voltage and real-time clock power down protection that power supply and power down protection unit provide system to need.
Described based on electric power safety supervisory system under the embedded coal mine of Ethernet, it is characterized in that: described embedded monitoring substation can also be connected on Intranet and Internet by ethernet interface, carries out remote monitoring.
The utility model has the advantages that:
The utility model has been studied based on electric power safety supervisory system under the embedded coal mine of Ethernet and has been monitored down-hole power equipment, make the managerial personnel of ground monitoring dispatching center just can directly carry out Real Time Monitoring to underground equipment, can not only monitor intuitively and record working condition and the safety in production situation of down-hole power system equipment, and can in time find accident danger, prevent trouble before it happens, also can provide the relevant firsthand information for the ex-post analysis accident.Can realize simultaneously centralized management and the unmanned of down-hole central substation, working section substation, for the reliability and the economical operation index that improve electric power system, promote scientific, the modernization of Power supply system management, very important realistic meaning is arranged, and is the developing direction of Modern Pit safety production monitoring system.
Description of drawings
Fig. 1 is structural representation block diagram of the present utility model.
Fig. 2 is embedded monitoring substation design entire block diagram.
Fig. 3 is that embedded monitoring sub-station communication interface connects block diagram.
Fig. 4 is intelligent electric power device the general frame.
Embodiment
As shown in Figure 1, a kind of based on electric power safety supervisory system under the embedded coal mine of Ethernet, include ground computer management system 1, embedded monitoring substation 2, intelligent electric power device 3, ground computer management system 1 includes ethernet interface 4, monitoring host computer 5, a plurality of network computer, a plurality of network computers and monitoring host computer 5 communicate by LAN (Local Area Network), and monitoring host computer 5 directly is connected with ethernet interface 4, CAN communication interface; Adopt CAN fieldbus and two kinds of communication modes of Ethernet to carry out communication between the monitoring host computer 5 of ground computer management system 1 and embedded monitoring substation 2, adopt the communication modes of RS-485 to carry out communication between embedded monitoring substation 2 and intelligent electric power device 3.Each intelligent electric power device 3 is separate, concurrent working, and each electric substation's substation of embedded monitoring substation 2 is also separate, is independent of each other.So the whole system structure is DCS distributed computer monitoring system, reliable operation is efficient; Substation band reserve battery, when guaranteeing that each power distribution equipment breaks down in the down-hole, system can continue reliably working.
Ground computer management system 1 main task is that the information of whole form of substation in underground mining area is carried out Storage and Processing, and realizes monitoring and the management of all working section substations by advanced friendly man-machine interface.Only have monitoring host computer 5 to carry out the manual control operation to controller switching equipment in underground equipment electric substation, it directly is connected with communication interface, carry out data acquisition and control output, but other computing machine LAN (Local Area Network) display part or whole monitored picture and data can be passed through, but control operation can not be carried out.
As shown in Fig. 2,3, embedded monitoring substation 2 is cores of native system design, it collects the information of uploading of each preposition intelligent electric power terminal by network information passage, and be communicated to the monitoring host computer 5 of ground computer management system 1, with passing at present control that monitoring host computer 5 assigns and adjusting order to all intelligent electric power devices 3 that is connected with it.Embedded monitoring substation 2 can also be connected on Intranet and Internet by ethernet interface, realizes remote monitoring.It is core processor that the embedded monitoring substation adopts AT91RM9200, and AT91RM9200 is built-in with storage unit, communication interface, input-output unit, man-machine interface, support circuit, power supply and power down protection unit; Storage unit comprises the SDRAM of Flash, 32MB of 8MB and the I of 512KB
2C EEPROM; Communication interface includes Ethernet interface, 2 road CAN interfaces, RS-232 interface, RS-485 interface, USB Device interface and Host interface; Input-output unit comprises 32 road I/O, 8 road A/D, 2 road D/A and 2 road PWM; Man-machine interface comprises 47 sections LED, 4x4 keyboard and 1 's 64 * 128 LCD display interface; Support circuit comprises crystal oscillator, PLL and reset circuit; 5V, 3.6V, 1.8V voltage and real-time clock power down protection that power supply and power down protection unit provide system to need.Therefore substation speed and the shortening system that can improve the system acquisition data patrols the survey cycle, thereby improves the overall performance of system, plays a part to form a connecting link in the whole system structure.
As shown in Figure 4, the intelligent electric power device adopts 16 single-chip microcomputer 80C196KB as the core, and single-chip microcomputer 80C196KB is connected with power module, input and output photoelectric isolation module, RS-485 communication interface, liquid crystal display and keyboard circuit, warning circuit; The intelligent electric power device adopts unified module, is positioned in high and low pressure switch explosion-proof chamber, forms Microcomputer Protection and SCADA(data acquisition and monitoring on the spot) the preposition intelligent measurement and control unit that is integrated.
Claims (3)
1. one kind based on electric power safety supervisory system under the embedded coal mine of Ethernet, it is characterized in that: include ground computer management system, embedded monitoring substation, intelligent electric power device, described ground computer management system includes ethernet interface, monitoring host computer, a plurality of network computer, a plurality of network computers and monitoring host computer communicate by LAN (Local Area Network), and monitoring host computer directly is connected with ethernet interface, CAN communication interface; It is core processor that described embedded monitoring substation adopts AT91RM9200, and AT91RM9200 is built-in with storage unit, communication interface, input-output unit, man-machine interface, support circuit, power supply and power down protection unit; Described intelligent electric power device adopts 16 single-chip microcomputer 80C196KB as the core, and single-chip microcomputer 80C196KB is connected with power module, input and output photoelectric isolation module, RS-485 communication interface, liquid crystal display and keyboard circuit, warning circuit; Adopt CAN fieldbus and two kinds of communication modes of Ethernet to carry out communication between the monitoring host computer of ground computer management system and embedded monitoring substation, adopt the communication modes of RS-485 to carry out communication between embedded monitoring substation and intelligent electric power device.
2. according to claim 1 based on electric power safety supervisory system under the embedded coal mine of Ethernet, it is characterized in that: the built-in storage unit of the AT91RM9200 of described embedded monitoring substation comprises the SDRAM of Flash, 32MB of 8MB and the I of 512KB
2C EEPROM; Communication interface includes Ethernet interface, 2 road CAN interfaces, RS-232 interface, RS-485 interface, USB Device interface and Host interface; Input-output unit comprises 32 road I/O, 8 road A/D, 2 road D/A and 2 road PWM; Man-machine interface comprises 47 sections LED, 4x4 keyboard and 1 's 64 * 128 LCD display interface; Support circuit comprises crystal oscillator, PLL and reset circuit; 5V, 3.6V, 1.8V voltage and real-time clock power down protection that power supply and power down protection unit provide system to need.
3. according to claim 1 and 2 based on electric power safety supervisory system under the embedded coal mine of Ethernet, it is characterized in that: described embedded monitoring substation can also be connected on Intranet and Internet by ethernet interface, carries out remote monitoring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012206686567U CN203012468U (en) | 2012-12-06 | 2012-12-06 | Embedded coal mine underground electric power safety monitoring system based on Ethernet |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012206686567U CN203012468U (en) | 2012-12-06 | 2012-12-06 | Embedded coal mine underground electric power safety monitoring system based on Ethernet |
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| CN203012468U true CN203012468U (en) | 2013-06-19 |
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| CN2012206686567U Expired - Fee Related CN203012468U (en) | 2012-12-06 | 2012-12-06 | Embedded coal mine underground electric power safety monitoring system based on Ethernet |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103809570A (en) * | 2013-12-25 | 2014-05-21 | 浙江图维电力科技有限公司 | Underground shaftway multi-data collecting and controlling system |
| CN104753899A (en) * | 2013-12-31 | 2015-07-01 | 中核控制***工程有限公司 | Open bus structure with multi-stage expansion structure |
| CN112127953A (en) * | 2020-10-16 | 2020-12-25 | 怀化新大地电脑有限公司 | Mine monitoring system |
-
2012
- 2012-12-06 CN CN2012206686567U patent/CN203012468U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103809570A (en) * | 2013-12-25 | 2014-05-21 | 浙江图维电力科技有限公司 | Underground shaftway multi-data collecting and controlling system |
| CN104753899A (en) * | 2013-12-31 | 2015-07-01 | 中核控制***工程有限公司 | Open bus structure with multi-stage expansion structure |
| CN104753899B (en) * | 2013-12-31 | 2018-02-13 | 中核控制***工程有限公司 | A kind of open bus structures with multi-tier structure |
| CN112127953A (en) * | 2020-10-16 | 2020-12-25 | 怀化新大地电脑有限公司 | Mine monitoring system |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130619 Termination date: 20131206 |