CN203014492U - Coal mine underground electric power remote monitoring system based on two-layer net and multistage control - Google Patents
Coal mine underground electric power remote monitoring system based on two-layer net and multistage control Download PDFInfo
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- CN203014492U CN203014492U CN2012206672456U CN201220667245U CN203014492U CN 203014492 U CN203014492 U CN 203014492U CN 2012206672456 U CN2012206672456 U CN 2012206672456U CN 201220667245 U CN201220667245 U CN 201220667245U CN 203014492 U CN203014492 U CN 203014492U
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- Prior art keywords
- interface
- ethernet
- mcp2510
- electric power
- at91rm9200
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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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- 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
- Y04S40/128—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 involving the use of Internet protocol
Abstract
The utility model discloses a coal mine underground electric power remote monitoring system based on two-layer net and multistage control. The coal mine underground electric power remote monitoring system comprises a micro controller taking an RAM series chip AT91RM9200 as a core, the AT91RM9200 chip is internally provided with an MAC controller having an MII interface, the MAC controller in the AT91RM9200 chip is connected with an Ethernet physical layer device DM9161 through the MII interface, the Ethernet physical layer device DM9161 is connected with an Ethernet isolator P1012, the Ethernet isolator P1012 is connected with an Ethernet crystal joint RJ-45, the AT91RM9200 chip is integrated with an SPI interface, the SPI interface is connected with an MCP2520, the SPI interface is expanded to have two CAN bus interfaces through the MCP2510, the CAN bus interfaces expanded through the MCP2510 are connected with a CAN bus transceiver 82C250, and the MCP2510 is further in communication connection with an MCU through an SI interface. The coal mine underground electric power remote monitoring system can not only communicate with a main monitoring machine through a CAN bus, but also can be connected with an Intranet or Internet through the Ethernet to realize remote monitoring.
Description
Technical field
The utility model relates generally to technical field, relates in particular to a kind of based on remote monitoriong of electric power system under the coal mine of two layers of mesh and Multistage Control.
Background technology
At present more to the automatic monitored control system of fixed point, in-plant electric substation, but for the particularity of colliery subsurface environment, that is that all right is ripe for the supervisory control system technology of the many and distance of district electric substation.Given this, the utility model proposes by 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 is the core of electric power safety supervisory control system under whole coal mine, and it has connected measurement and control unit and monitoring host computer, is undertaking and is uploading the vital task of assigning.Its major function is exactly the different pieces of information from the scene, down-hole of collecting, with different communications protocol earthward monitoring host computer forward, receive again the order from the ground monitoring main frame simultaneously, pass on to the down-hole field measure-control unit.
Along with the development of computer technology, the communication technology and control technology, traditional industrial control field is just experiencing a unprecedented change, and beginning is to the networking future development.The utility model namely from the needs of following industrial control network development, in view of the particularity of electric power system under coal mine, has been designed and Implemented the embedded monitoring substation take the AT91RM9200 microprocessor as core.
The utility model content
The utility model purpose is exactly in order to make up the defective of prior art, a kind of Ethernet interface that has is provided, the CAN bus interface, 485 interfaces, RS-232 interface, the master and slave interface of USB, 12 A/D and D/A, PWM output, 4 * 4 keyboards, the functional modules such as 64 * 128LCD man-machine interface based on remote monitoriong of electric power system under the coal mine of two layers of mesh and Multistage Control, can communicate by letter with monitoring host computer by the CAN bus, also can receive on Intranet or Internet by Ethernet, thereby realize remote monitoring.
The utility model is achieved through the following technical solutions:
A kind of based on remote monitoriong of electric power system under the coal mine of two layers of mesh and Multistage Control, it is characterized in that: include the microcontroller take RAM family chip AT91RM9200 as core, the AT91RM9200 built-in chip type is with the mac controller of MII interface, mac controller in the AT91RM9200 chip is connected with ethernet physical layer device DM9161 by the MII interface, ethernet physical layer device DM9161 is connected with the Ethernet isolator, and the Ethernet isolator is connected with Ethernet crystal connector RJ-45; Integrated SPI interface on the AT91RM9200 chip, the SPI interface is connected with MCP2510, the SPI interface expands two CAN bus interface by MCP2510, the CAN bus interface that MCP2510 expands is connected with CAN bus transceiver 82C250, and MCP2510 is also by SI interface and MCU communication connection.
Described based on remote monitoriong of electric power system under the coal mine of two layers of mesh and Multistage Control, it is characterized in that: described SPI interface can connect at most 16 peripheral components with SPI interface with 4 sheets choosing ends.
Described based on remote monitoriong of electric power system under the coal mine of two layers of mesh and Multistage Control, it is characterized in that: described MCP2510 includes three transmission buffers, two reception buffers.
Described based on remote monitoriong of electric power system under the coal mine of two layers of mesh and Multistage Control, it is characterized in that: also be integrated with 485 interfaces, RS-232 interface, USB principal and subordinate interface, 12 A/D and D/A, PWM output interface, keyboard interface and man-machine interface on described AT91RM9200 chip.
The utility model has the advantages that:
The utlity model has Ethernet interface, the CAN bus interface, 485 interfaces, RS-232 interface, the master and slave interface of USB, 12 A/D and D/A, PWM output, 4 * 4 keyboards, the functional modules such as 64 * 128LCD man-machine interface, can communicate by letter with monitoring host computer by the CAN bus, also can receive on Intranet or Internet by Ethernet, thereby realize remote monitoring.
Description of drawings
Fig. 1 is the structured flowchart of AT91RM9200.
Fig. 2 is structured flowchart of the present utility model.
Fig. 3 is AT91RM9200 and DM9161 interface circuit block diagram.
Fig. 4 is DM9161 and the block diagram that is connected of net crystal connector RJ-45 too.
Fig. 5 is MCP2510 internal structure schematic diagram.
Fig. 6 is that MCP2510 is connected block diagram with 82C250.
Embodiment
As shown in Figure 1, 2, a kind of based on remote monitoriong of electric power system under the coal mine of two layers of mesh and Multistage Control, include the microcontroller take RAM family chip AT91RM9200 as core, the AT91RM9200 built-in chip type is with the mac controller of MII interface, mac controller in the AT91RM9200 chip is connected with ethernet physical layer device DM9161 by the MII interface, ethernet physical layer device DM9161 is connected with Ethernet isolator P1012, and Ethernet isolator P1012 is connected with Ethernet crystal connector RJ-45; Integrated SPI interface on the AT91RM9200 chip, the SPI interface is connected with MCP2510, the SPI interface expands two CAN bus interface by MCP2510, the CAN bus interface that MCP2510 expands is connected with CAN bus transceiver 82C250, and MCP2510 is also by SI interface and MCU communication connection.
The SPI interface can connect at most 16 peripheral components with SPI interface with 4 sheet choosing ends.
MCP2510 includes three transmission buffers, two reception buffers.
Also be integrated with 485 interfaces, RS-232 interface, USB principal and subordinate interface, 12 A/D and D/A, PWM output interface, keyboard interface and man-machine interface on the AT91RM9200 chip.
DM9161 is a low-power consumption, the high performance CMOS chip that Davicom company produces, it is 10M/100M BASE-T ethernet transceiver, can automatically detect the speed of access network, and LED output indication is arranged, can be connected with the MAC layer device by MII or RMII.DM9161 has played the effect of coding, decoding input and output data, due in the AT91RM9200 sheet with the mac controller of MII interface, and DM9161 also provides the MII interface, the definition of various signals is also very clear and definite, therefore DM9161 is connected with the sequential that is connected of AT91RM9200, and can reach good network signal and transmit purpose.
Shown in Figure 3, the interface signal line that AT91RM9200 provides is more, and the chip select line NCS7 that can utilize its 16 bit data bus D0-D15,5 the address wire A0-A4 that pass through to deposit, reading signal lines NRD, write signal line NWR, produces through decoding and interrupt request line IRQ are connected with an IRO12 in 8 interrupt request lines with data wire SD0-SD15, address wire low 5 SA0-SA4, the I/O reading signal lines IOR of DM9161, I/O write signal line IOW, address enable line AEN respectively.Clock circuit only needs the crystal oscillator of external 1 25MHz and 2 electric capacity to get final product.The DM9161 address wire has totally 20 of SA0-SA19, only uses low 5 SA0-SA4 and is connected with RM9200, and SA5-SA7 ground connection, SA8-SA19 connect high level, the whole ground connection of other upper address bits.This will be for DM9161 inside, and the base address of I/O is 300H.As long as DM9161 selects 1 interrupt request line to be connected with the interrupt line of RM9200 system, other 7 lines are all floating empty.
Ethernet controller DM9161 is very simple with being connected of network, as long as receiving holding wire RX
+, RX
-With transmitted signal line TX
+, TX
-Being connected with Ethernet crystal connector RJ45 by Ethernet isolator (Transformer) gets final product, as shown in Figure 4.Wherein Ethernet isolator (Transformer) is mainly that embedded system and Ethernet is isolated, in order to avoid the phase mutual interference.DM9161 has 3 working station indicators, is used for showing the operating state of Ethernet.
MCP2510 is a kind of CAN controller with the SPI interface, and it supports CAN technical specification V2.0A/B; And the reception standard that can send and information frame expansion, have simultaneously and accept filter and the function of information management.MCP2510 carries out transfer of data by SI interface and MCU, and the maximum data transmission rate can reach 5Mb/s, and MCU can be by other MCU unit communications on MCP2510 and CAN bus.MCP2510 includes three transmission buffers, two reception buffers.Also have simultaneously interrupt management ability flexibly, these characteristics make MCU become very easy to the operation of CAN bus.
MCP2510 has PDIP, SOIC and three kinds of packing forms of TSSOP, and 18 pins are arranged.Adopt 18 pin PDIP packing forms in the native system design.MCP2510 internal structure and operation principle are as shown in Figure 5.
Native system utilizes CAN bus transceiver 82C250 as the interface of MCP2510 and physical bus, if need the antijamming capability of further raising system, can add a photoisolator between MCP2510 and 82C250 again.Its connection diagram as shown in Figure 6.
Hardware designs by Ethernet and CAN bus interface, embed embedded TCP/IP stack and embedded type C ANopen protocol stack on based on μ C/OS-II, outstation can be communicated by letter with monitoring host computer by the CAN bus, also can receive on Intranet or Internet by Ethernet, thereby realize remote monitoring.
Claims (4)
1. one kind based on remote monitoriong of electric power system under the coal mine of two layers of mesh and Multistage Control, it is characterized in that: include the microcontroller take RAM family chip AT91RM9200 as core, the AT91RM9200 built-in chip type is with the mac controller of MII interface, mac controller in the AT91RM9200 chip is connected with ethernet physical layer device DM9161 by the MII interface, ethernet physical layer device DM9161 is connected with the Ethernet isolator, and the Ethernet isolator is connected with Ethernet crystal connector RJ-45; Integrated SPI interface on the AT91RM9200 chip, the SPI interface is connected with MCP2510, the SPI interface expands two CAN bus interface by MCP2510, the CAN bus interface that MCP2510 expands is connected with CAN bus transceiver 82C250, and MCP2510 is also by SI interface and MCU communication connection.
2. according to claim 1 based on remote monitoriong of electric power system under the coal mine of two layers of mesh and Multistage Control, it is characterized in that: described SPI interface can connect at most 16 peripheral components with SPI interface with 4 sheets choosing ends.
3. according to claim 1 based on remote monitoriong of electric power system under the coal mine of two layers of mesh and Multistage Control, it is characterized in that: described MCP2510 includes three transmission buffers, two reception buffers.
4. according to claim 1 based on remote monitoriong of electric power system under the coal mine of two layers of mesh and Multistage Control, it is characterized in that: also be integrated with 485 interfaces, RS-232 interface, USB principal and subordinate interface, 12 A/D and D/A, PWM output interface, keyboard interface and man-machine interface on described AT91RM9200 chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012206672456U CN203014492U (en) | 2012-12-06 | 2012-12-06 | Coal mine underground electric power remote monitoring system based on two-layer net and multistage control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012206672456U CN203014492U (en) | 2012-12-06 | 2012-12-06 | Coal mine underground electric power remote monitoring system based on two-layer net and multistage control |
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| Publication Number | Publication Date |
|---|---|
| CN203014492U true CN203014492U (en) | 2013-06-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012206672456U Expired - Fee Related CN203014492U (en) | 2012-12-06 | 2012-12-06 | Coal mine underground electric power remote monitoring system based on two-layer net and multistage control |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108306743A (en) * | 2017-01-08 | 2018-07-20 | 恩新通科技有限公司 | The network equipment being electrically isolated with multistage |
-
2012
- 2012-12-06 CN CN2012206672456U patent/CN203014492U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108306743A (en) * | 2017-01-08 | 2018-07-20 | 恩新通科技有限公司 | The network equipment being electrically isolated with multistage |
| US10539991B2 (en) | 2017-01-08 | 2020-01-21 | ANEWCOM, Inc. | Network devices with multi-level electrical isolation |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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 |