CN104954198A - Intelligent substation process layer exchanger state monitoring device and method - Google Patents
Intelligent substation process layer exchanger state monitoring device and method Download PDFInfo
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- CN104954198A CN104954198A CN201510272319.4A CN201510272319A CN104954198A CN 104954198 A CN104954198 A CN 104954198A CN 201510272319 A CN201510272319 A CN 201510272319A CN 104954198 A CN104954198 A CN 104954198A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/50—Testing arrangements
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Abstract
The invention discloses an intelligent substation process layer exchanger state monitoring device which comprises two circuit modules. The first circuit module is connected to a station control layer network and used for receiving a command message sent by a monitoring host connected with the station control layer network, analyzing the command message and then sending the command message to the second circuit module through a data bus, and the second circuit module is connected to a process layer network and used for receiving the command message, processing the command message and then sending the command message to a target exchanger connected with the process layer network. After the command message is received by the target exchanger and a returned exchanger state message is processed by the second circuit module, the exchanger state message is sent to the first circuit module through the data bus, processed again and sent to the monitoring host. The invention further discloses an intelligent substation process layer exchanger state monitoring method. Information of the process layer network is separated from that of the station control layer network, and the monitoring device can act for the monitoring host.
Description
Technical field
The present invention relates to intelligent substation technical field, be specifically related to a kind of transformer station process layer switch state monitoring apparatus and method.
Background technology
In current intelligent substation centered by networking, switch is a kind of important communication center equipment.Switch running status how, most important to the fail safe of intelligent substation data and information, reliability and validity, therefore needs to monitor the running status of switch.Switch running status comprises port UP/DOWN state, the port error rate, port data bag counting, the state informations such as operating temperature.
Conventional by adopting snmp protocol to carry out information exchange between monitoring main frame and switch to switch status monitoring: to send query message with SNMP message format to switch by monitoring main frame, exchange and return corresponding Query Result in snmp format, monitoring main frame carries out analyzing and processing to Query Result.
For intelligent substation, its network is divided into station level network and process-level network.Because monitoring main frame belongs to station level network, therefore monitor the switch status monitoring of main frame to station level network and can adopt the direct access switch of snmp protocol.But for the switch of process-level network, adopt monitoring main frame with the direct access switch of snmp protocol, then the data of process-level network and information channelling can be caused to arrive at a station control layer network, and this situation is not allowed to.
Therefore need to design a kind of device, this device can be isolated the information of process-level network and station level network; This device can play the agency's effect to monitoring main frame simultaneously, carries out information by the running status of snmp protocol acquisition process layer switch.
Summary of the invention
For above deficiency, an object of the present invention is to provide a kind of transformer station process layer switch state monitoring apparatus, and its major function is that this device can be isolated the information of process-level network and station level network; This device can play the agency's effect to monitoring main frame, and the running status of acquisition process layer switch carries out information.
Device is made up of two circuit modules, first circuit module is connected to station level network, complete monitoring Host Command packet parsing, analysis result delivers to second circuit module, monitoring main frame is delivered in the SNMP message obtained by second circuit module packing simultaneously, in the first functional module, also complete data display, human-computer interaction function.Second circuit model calling, to process-level network, completes and carries out snmp protocol communication to process layer switch.
The object of the present invention is achieved like this:
A kind of transformer station process layer switch state monitoring apparatus, it comprises:
First circuit module, described first circuit module is connected to station level network, for receiving command message that the monitoring main frame that is connected with station level network sends and sending to second circuit module by data/address bus after resolving described command message;
Second circuit module, described second circuit model calling to process-level network, for receiving command message and sending to after described command message process the target switch be connected with process-level network;
After described target switch receives command message, return switch status infomational message after second circuit module processes, deliver to the first circuit module by data/address bus and again process and send to monitoring main frame.
Physically the network port of the first circuit module and second circuit module separate from, the information achieving process-level network and station level network is isolated.
Described second circuit module to the method that switch status infomational message processes is: the IP address information and switch status infomational message that return the target switch of switch status infomational message are delivered to the first circuit module by data/address bus in the lump.
Described first circuit module to the method that switch status infomational message processes is: the IP address information and switch status infomational message that obtain target switch from second circuit module are packed by the communication protocol between the first circuit module and monitoring main frame.
Described command message is query message, and the form of described query message generates according to the communication protocol between the first circuit module and monitoring main frame.
Described communication protocol comprises the IP address information of target switch, message length, SNMP message and check code.
Described switch status infomational message is SNMP form.
Described first circuit module comprises a CPU, network controller, exchange chip, the debugging serial interface being articulated in station level network and the network interface be connected with the data/address bus of bus plate, wherein, the described network control end of a CPU is connected with the first network control end of network controller, second control end of network controller is connected with the first exchange end of exchange chip, and the second exchange end of exchange chip is connected to debugging serial interface and network interface respectively.In the first circuit module, be furnished with panel and keypad and LCDs in addition, the information displaying to the communication packet between device and monitoring main frame, between device and process layer switch can be realized, and complete the setting to operational factors such as setup time information.
A CPU in first circuit module receives the command message (i.e. query message) of monitoring main frame and sending here from debugging serial interface, after carrying out dissection process by a CPU, the IP address information of acquisition process layer switch and SNMP message body (SNMP query message) from query message, analysis result is delivered to second circuit module by the network interface being connected to data/address bus through data/address bus and is processed; When second circuit module is from the Query Result of data/address bus return course layer switch (target switch), comprise the SNMP state information message that the IP address information of target switch and target switch return, the SNMP state information message returned by IP address information and the target switch of message format to target switch between the first circuit module and monitoring main frame by a CPU is packed, and processes by debugging serial interface being delivered to monitoring main frame.
Described second circuit module comprises the 2nd CPU, FPGA and external light/electric mouth, described 2nd CPU is connected with the external light/electric mouth being articulated to process-level network through ethernet PHY network interface card, and described 2nd CPU is also connected to by FPGA on the data/address bus of bus board.
After the IP address information that the 2nd CPU in second circuit module obtains from data/address bus the process layer switch sent here by the first circuit module and SNMP message body, the 2nd CPU sends SNMP query message according to the IP address information of process layer switch to a switch (i.e. target switch) of process layer; When the target switch of process layer returns the Query Result (i.e. switch status infomational message) of SNMP form, the IP address information of this switch and SNMP message body are delivered to the first circuit module by data/address bus and are processed by the 2nd CPU.
Another object of the present invention is to provide a kind of transformer station process layer switch state monitoring method, it can carry out isolating to the information of process-level network and station level network and the agency that can play monitoring main frame acts on, and the running status of acquisition process layer switch carries out information.
For achieving the above object, the technical scheme that the present invention takes is:
A kind of transformer station process layer switch state monitoring method, it comprises the following steps:
Step 1, the communication protocol defining the first circuit module and monitor between main frame: the form of described communication protocol comprises the IP address information of target switch, message length, SNMP message and check code;
Step 2, monitoring main frame send the command message to target switch to the first circuit module, command message form generates according to the communication protocol between the first circuit module and monitoring main frame, first circuit module receives query message after carrying out dissection process to described command message, from command message, obtain IP address information and the SNMP message body of target switch, then the IP address information of target switch and SNMP message body are delivered to second circuit module by data/address bus and process;
Step 3, second circuit module obtain IP address information and the SNMP message body of target switch from data/address bus, process through second circuit module, send SNMP query message to target switch;
After step 4, target switch receive SNMP query message, return the switch status infomational message of corresponding SNMP form to second circuit module, second circuit module, to after switch status information processing, delivers to the first circuit module together with the IP address information of target switch and switch status infomational message by data/address bus;
Step 5, the first circuit module receive IP address information and the switch status infomational message of the target switch obtained from data/address bus, by the first circuit module according to the communication protocol between the first circuit module and monitoring main frame, by the IP address information of target switch and the packing of switch status infomational message, and be sent to monitoring main frame, monitoring main frame gets the state information of target switch after analyzing switch status infomational message.
Compared with prior art, beneficial effect of the present invention is:
1, achieve the isolation to process-level network and station level network, achieve the acquisition to process layer switch status information simultaneously.
2, from the design, the message body of SNMP is formed by monitoring main frame completely, is convenient to like this monitor main frame carries out integration unified process to process layer switch and station level switch.
3, from the action of device, serve the agency's effect to monitoring main frame, after this sampling device further expands application, the specific information of other equipment of process layer can be got from station level.
4, from the second circuit modular design of device, the redundancy physical communication interface of the types such as serial ports, also facilitates the realization of particular application.
Accompanying drawing explanation
Fig. 1 is the system construction drawing of apparatus of the present invention application composition;
Fig. 2 is device circuit block diagram of the present invention;
Fig. 3 is the communication protocol that the present invention monitors between main frame and device;
Fig. 4 is the first circuit modular structure figure of the present invention;
Fig. 5 is second circuit function structure chart of the present invention.
Embodiment
Below in conjunction with embodiment, the present invention is further illustrated.
A kind of transformer station process layer switch state monitoring apparatus, as shown in Figure 2, be made up of two circuit modules, two circuit modules carry out data and information exchange by data/address bus.Wherein the network port of the first circuit module is connected to station level network, and the network port of second circuit module is connected to process-level network, and the network port of two circuit modules is physically completely independent, achieves the separate of station level network and process-level network.
Wherein:
First circuit module: the exchanges data between the monitoring main frame of device and station level, information displaying and plant running optimum configurations.
Second circuit module: obtain switch running state information by snmp protocol between device and process layer switch.
101: the first circuit modules issue the IP address information of target switch and SNMP message body to second circuit module by data/address bus; Received by the IP address information of the target switch that second circuit module is sent and switch status infomational message by data/address bus.
102: second circuit module is by data/address bus sending the IP address information of target switch and switch status infomational message to the first circuit module; IP address information and the SNMP message body of the target switch issued by the first circuit module is received by data/address bus.
103: the first circuit module docking station control layer networks, and carry out information interaction between monitoring main frame.
104: second circuit model calling process-level network, and carry out information interaction between switch.
Exchanges data between first circuit module finishing device and the monitoring main frame of station level, information displaying and plant running optimum configurations.As shown in Figure 4, the S3C2410 (ARM9) that the one CPU: the one CPU adopts Samsung Group is provided with in first circuit module, first data of the one CPU store end and store to hold with the data of the synchronous DRAM SDRAM of 16M × 16 and be connected, initial address is 0x0C000000, the in addition BIT SDRAM storage medium of 4M × 16, initial address is 0x0, for deposit operation system and application system, the second data storage end of the one CPU stores to hold with the data of 8M flash memory FLASH and is connected, and the clock end of a CPU is connected with the clock end of clock circuit, the liquid crystal panel signal end of the one CPU is connected with the liquid crystal panel signal end of the Thin Film Transistor (TFT) TFT of 4 inches 320 × 240, one CPU is connected with 8 buttons by strong end, the network control end of the one CPU is connected with the first network control end of a slice 100M network controller, network controller adopts AX88796B chip, the second network control end of network controller is connected with the first exchange end of 5 mouthfuls of exchange chips of a slice 100M, 5 mouthfuls of exchange chips adopt RTL8305SC, second exchange end of 5 mouthfuls of exchange chips respectively with debugging serial interface, network interface 1, network interface 2 is connected with network interface 3.Network interface 1, network interface 2 are connected with data/address bus with the bus board of network interface 3 by equipment.
In the first circuit module, be furnished with panel and keypad and LCDs, the information displaying to the communication packet between device and monitoring main frame, between device and process layer switch can be realized, and complete the setting to operational factors such as setup time information.
Switch running state information is obtained by snmp protocol between second circuit module finishing device and process layer switch.As shown in Figure 5, the CPU that the 2nd CPU: the two CPU adopts TM (China) Co., Ltd is provided with in second circuit module, model is MPC8247, 2nd CPU is by the memory chip of data/address bus and 8 16M × 16, the flash memory FLASH of 8M, clock circuit is connected respectively with BOOTROM socket, every 4 memory chips form the random access memory ram district of 16M × 64, the sheet that Liang Ge RAM district takies MPC8247 respectively selects CS1 and CS7, initial address is 0x0 and 0x11000000 respectively, FLASH is used for deposit operation system, application system and FPGA configuration-system, FLASH takes 16 bit manipulations, take the CS2 sheet choosing of MPC8247, initial address is 0x30000000, capacity is the CF card (data storage device Compact Flash) of 2G, and take the CS4 sheet choosing of MPC8247, initial address is 0x16000000, 2nd CPU connects light/electric mouth and debugging interface through ethernet PHY network interface card, connects, when carrying out IEEE1588 network pair when 4 serial ports that circuit module is connected with 4 serial ports, 16V554 serioparallel exchange mouth by interface bus, two-way GPS school, 2nd CPU through FPGA and bus board input and output IO bus (i.e. data/address bus), school time bus be connected, FPGA is the EP3C16F484C8N type fpga chip of altera corp of the U.S., 2nd CPU connects 3 external light/electric mouth respectively through three media access control layer MAC of board, ethernet PHY network interface card.
Operation principle:
A, communication protocol between definition device and monitoring main frame:
Communication protocol between definition device and monitoring main frame, as shown in Figure 3, includes the IP address information of process layer target switch, message length, SNMP message and check code in the form of communication protocol.
The IP address information of process layer target switch: the target switch address needing access, length: 4 bytes.
Message length: 2 bytes, high-order front, low level is rear.
Snmp protocol: agreement particular content.
Check code: to all bytes in switch ip address, length, snmp protocol carry out cumulative after, get low byte as check code (or School Affairs).
B, system form:
System is formed by device, monitoring main frame and process layer switch, as shown in Figure 1, wherein the debugging serial interface of device first circuit module is articulated on station level network with monitoring main frame, two the external light/electric mouth of second circuit module be articulated to the A net of process layer respectively and B online, switch be distributed in the A net of process-level network or B online.
C, the first circuit module are to monitoring main frame Message processing:
Monitoring main frame sends the query message to certain switch of process layer to device, and message format generates according to the communication protocol between device and monitoring main frame.After first circuit module reception message of device, after carrying out dissection process by a CPU, the IP address information of acquisition process layer target switch and SNMP message body from message, address information and SNMP message are delivered to second circuit module by data/address bus and are processed.
D, second circuit module send querying command to process layer switch:
Second circuit module through the 2nd CPU process, sends SNMP query message to target switch obtain the IP address information and SNMP message body marking switch from data/address bus after.
E, second circuit module obtain switch status information processing:
After process layer switch receives the SNMP query message of device, return the second circuit module of the switch status infomational message auto levelizer of corresponding SNMP form, after 2nd CPU process, the IP address information of switch and switch status infomational message are delivered to the first circuit module by data/address bus and processes.
F, the first circuit module are to state information Message processing:
First circuit module receives the switch ip address information and switch status infomational message that obtain from data/address bus, by a CPU according to the communication protocol between device and monitoring main frame, by IP address information and the packing of switch status infomational message, and be sent to monitoring main frame, monitoring main frame gets the state information of switch after analyzing message.
Above-listed detailed description is illustrating for possible embodiments of the present invention, and this embodiment is also not used to limit the scope of the claims of the present invention, and the equivalence that all the present invention of disengaging do is implemented or changed, and all should be contained in the scope of the claims of this case.
Claims (9)
1. a transformer station process layer switch state monitoring apparatus, is characterized in that, it comprises:
First circuit module, described first circuit module is connected to station level network, for receiving command message that the monitoring main frame that is connected with station level network sends and sending to second circuit module by data/address bus after resolving described command message;
Second circuit module, described second circuit model calling to process-level network, for receiving command message and sending to after described command message process the target switch be connected with process-level network;
After described target switch receives command message, return switch status infomational message after second circuit module processes, deliver to the first circuit module by data/address bus and again process and send to monitoring main frame.
2. transformer station process layer switch state monitoring apparatus according to claim 1, it is characterized in that, described second circuit module to the method that switch status infomational message processes is: the IP address information and switch status infomational message that return the target switch of switch status infomational message are delivered to the first circuit module by data/address bus in the lump.
3. transformer station process layer switch state monitoring apparatus according to claim 2, it is characterized in that, described first circuit module to the method that switch status infomational message processes is: the IP address information and switch status infomational message that obtain target switch from second circuit module are packed by the communication protocol between the first circuit module and monitoring main frame.
4. transformer station process layer switch state monitoring apparatus according to claim 1, is characterized in that, described command message is query message, and the form of described query message generates according to the communication protocol between the first circuit module and monitoring main frame.
5. the transformer station process layer switch state monitoring apparatus according to claim 3 or 4, is characterized in that, described communication protocol comprises the IP address information of target switch, message length, SNMP message and check code.
6. transformer station process layer switch state monitoring apparatus according to claim 5, is characterized in that, described switch status infomational message is SNMP form.
7. transformer station process layer switch state monitoring apparatus according to claim 1, it is characterized in that, described first circuit module comprises a CPU, network controller, exchange chip, the debugging serial interface being articulated in station level network and the network interface be connected with the data/address bus of bus plate, wherein, the described network control end of a CPU is connected with the first network control end of network controller, second control end of network controller is connected with the first exchange end of exchange chip, and the second exchange end of exchange chip is connected to debugging serial interface and network interface respectively.
8. the transformer station process layer switch state monitoring apparatus according to claim 1 or 7, it is characterized in that, described second circuit module comprises the 2nd CPU, FPGA and external light/electric mouth, described 2nd CPU is connected with the external light/electric mouth being articulated to process-level network through ethernet PHY network interface card, and described 2nd CPU is connected on the data/address bus of bus board by FPGA.
9. a transformer station process layer switch state monitoring method, is characterized in that, it comprises the following steps:
Step 1, the communication protocol defining the first circuit module and monitor between main frame: the form of described communication protocol comprises the IP address information of target switch, message length, SNMP message and check code;
Step 2, monitoring main frame send the command message to target switch to the first circuit module, command message form generates according to the communication protocol between the first circuit module and monitoring main frame, first circuit module receives query message after carrying out dissection process to described command message, from command message, obtain IP address information and the SNMP message body of target switch, then the IP address information of target switch and SNMP message body are delivered to second circuit module by data/address bus and process;
Step 3, second circuit module obtain IP address information and the SNMP message body of target switch from data/address bus, process through second circuit module, send SNMP query message to target switch;
After step 4, target switch receive SNMP query message, return the switch status infomational message of corresponding SNMP form to second circuit module, second circuit module, to after switch status information processing, delivers to the first circuit module together with the IP address information of target switch and switch status infomational message by data/address bus;
Step 5, the first circuit module receive IP address information and the switch status infomational message of the target switch obtained from data/address bus, by the first circuit module according to the communication protocol between the first circuit module and monitoring main frame, by the IP address information of target switch and the packing of switch status infomational message, and be sent to monitoring main frame, monitoring main frame gets the state information of target switch after analyzing switch status infomational message.
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| CN106451785A (en) * | 2016-11-10 | 2017-02-22 | 国网江西省电力公司检修分公司 | Clustered measuring and control device with centralized type backup function and data recognition function |
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| CN110177117A (en) * | 2019-06-11 | 2019-08-27 | 长园深瑞继保自动化有限公司 | Adapt to the gateway machine device and method of relay protection remote operation |
| CN110224894A (en) * | 2019-06-18 | 2019-09-10 | 国网四川省电力公司内江供电公司 | A kind of transformer station process layer network management system for monitoring |
| CN110224894B (en) * | 2019-06-18 | 2021-01-05 | 国网四川省电力公司内江供电公司 | Intelligent substation process level network monitoring management system |
| CN111885002A (en) * | 2020-06-28 | 2020-11-03 | 中国南方电网有限责任公司 | Monitoring networking method for process layer switch of transformer substation |
| CN112737930A (en) * | 2020-12-18 | 2021-04-30 | 国网辽宁省电力有限公司 | Intelligent data communication network shutdown delay processing system and delay processing method |
| CN113313616A (en) * | 2021-04-21 | 2021-08-27 | 中国南方电网有限责任公司超高压输电公司南宁局 | Remote control question-setting system |
| CN113313616B (en) * | 2021-04-21 | 2024-01-02 | 中国南方电网有限责任公司超高压输电公司南宁局 | Remote control question system |
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