CN104954198B - A kind of transformer station process layer switch state monitoring apparatus and method - Google Patents
A kind of transformer station process layer switch state monitoring apparatus and method Download PDFInfo
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- CN104954198B CN104954198B CN201510272319.4A CN201510272319A CN104954198B CN 104954198 B CN104954198 B CN 104954198B CN 201510272319 A CN201510272319 A CN 201510272319A CN 104954198 B CN104954198 B CN 104954198B
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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
Abstract
The invention discloses a kind of transformer station process layer switch state monitoring apparatus comprising：Two circuit modules, wherein the first circuit module is connected to station level network, for receiving the command message sent out with the monitoring host of station level network connection and being sent to second circuit module by data/address bus after being parsed to the command message；Second circuit module is connected to process-level network, for receiving command message and being sent to the target switch being connect with process-level network after command message processing；After the target switch receives command message, switch status infomational message is returned after second circuit module is handled, and be sent to the first circuit module by data/address bus is handled and be sent to monitoring host again.The invention also discloses a kind of transformer station process layer switch state monitoring methods.The present invention realizes that process-level network is isolated with the information of station level network, and can play the role of the agency to monitoring host.
Description
Technical field
The present invention relates to intelligent substation technical fields, and in particular to a kind of transformer station process layer switch state prison
Survey device and method.
Background technology
In intelligent substation centered on now by networking, interchanger is a kind of important communication center equipment.
How is interchanger operating status, most important to the safety of intelligent substation data and information, reliability and validity, therefore
It needs to monitor the operating status of interchanger.Interchanger operating status include port UP/DOWN states, the port bit error rate,
Port data packet counts, the status informations such as running temperature.
Switch status monitoring is commonly used by being handed over into row information using snmp protocol between monitoring host and interchanger
It changes：Query message is sent to interchanger with SNMP message formats from monitoring host, exchange returns to corresponding inquiry in snmp format
As a result, monitoring host carries out analyzing processing to query result.
For intelligent substation, network is divided into station level network and process-level network.Since monitoring host belongs to station control
Layer network, therefore monitoring host may be used snmp protocol to the switch status monitoring of station level network and directly access exchange
Machine.But for the interchanger of process-level network, use monitoring host with the direct access switch of snmp protocol, it will cause processes
The data of layer network and information channelling, which are arrived at a station, controls layer network, and such case is not allowed to.
Therefore it needs to design a kind of device, which process-level network can be isolated with the information of station level network；
The device can play the role of the agency to monitoring host simultaneously, by the operating status of snmp protocol acquisition process layer switch into
Row information.
Invention content
For the above deficiency, one of the objects of the present invention is to provide a kind of transformer station process layer switch state prisons
Device is surveyed, major function is that the device process-level network can be isolated with the information of station level network；The device energy
Play the role of the agency to monitoring host, the operating status of acquisition process layer switch is into row information.
There are two circuit modules to form for device, and the first circuit module is connected to station level network, completes to monitoring host life
Packet parsing is enabled, analysis result is sent to second circuit module, while the SNMP messages obtained by second circuit module packing being sent
To monitoring host, data displaying, human-computer interaction function are also completed in the first function module.Second circuit module is connected to process
Layer network is completed to carry 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 comprising：
First circuit module, first circuit module are connected to station level network, connect with station level network for receiving
Command message that the monitoring host connect is sent out simultaneously is sent to the second electricity after being parsed to the command message by data/address bus
Road module；
Second circuit module, the second circuit module are connected to process-level network, for receiving command message and by institute
It is sent to the target switch being connect with process-level network after stating command message processing；
After the target switch receives command message, return switch status infomational message through second circuit module into
After row processing, the first circuit module is sent to by data/address bus and is handled again and is sent to monitoring host.
Physically the first circuit module and the network port of second circuit module are independently of each other from realizing process layer net
Network is isolated with the information of station level network.
The method that the second circuit module handles switch status infomational message is：Switch status will be returned
The IP address information and switch status infomational message of the target switch of infomational message are sent to first by data/address bus together
Circuit module.
The method that first circuit module handles switch status infomational message is：Pass through the first circuit module
Communication protocol between monitoring host will obtain the IP address information and interchanger shape of target switch from second circuit module
State infomational message is packaged.
The command message is query message, the format of the query message according to the first circuit module and monitoring host it
Between communication protocol generate.
The communication protocol includes IP address information, message length, SNMP messages and the check code of target switch.
The switch status infomational message is SNMP formats.
First circuit module includes the first CPU, network controller, exchange chip, the tune for being articulated in station level network
Examination network interface and the network interface being connected with the data/address bus of bus plate, wherein the network-control end of the first CPU and network control
The first network control terminal of device processed is connected, and the second control terminal of network controller is connected with the first exchange end of exchange chip, hands over
The second exchange end for changing chip is respectively connected to debugging serial interface and network interface.In addition in the first circuit module equipped with panel and keypad and
The letter of the communication packet between device and monitoring host, between device and process layer switch may be implemented in liquid crystal display
Breath display, and complete the setting to operating parameters such as setup time information.
The first CPU in first circuit module receives command message (the i.e. inquiry report that monitoring host is sent from debugging serial interface
Text), after carrying out dissection process by the first CPU, the IP address information of acquisition process layer switch and SNMP reports from query message
Style (SNMP query messages), analysis result are sent to second circuit module by being connected to the network interface of data/address bus through data/address bus
It is handled；When second circuit module is from the query result of data/address bus return course layer switch (target switch), including
The SNMP status information messages that the IP address information and target switch of target switch return press the first circuit by the first CPU
The SNMP states that message format returns to the IP address information and target switch of target switch between module and monitoring host
Infomational message is packaged, and is handled by being sent to monitoring host on debugging serial interface.
The second circuit module includes the 2nd CPU, FPGA and external optical electrical mouth, and the 2nd CPU is through Ethernet
PHY network interface cards are connected with the external optical electrical mouth for being articulated to process-level network, and the 2nd CPU is simultaneously connected to bus board by FPGA
On the data/address bus of card.
Second circuit mould the 2nd CPU in the block obtains the process layer switch sent by the first circuit module from data/address bus
IP address information and SNMP message bodies after, the 2nd CPU is according to the IP address information of process layer switch to one of process layer
Interchanger (i.e. target switch) sends SNMP query messages；When the target switch of process layer returns to the inquiry knot of SNMP formats
Fruit (i.e. switch status infomational message), the 2nd CPU is by data/address bus by the IP address information of the interchanger and SNMP messages
Body is sent to the first circuit module and is handled.
Another object of the present invention is to provide a kind of transformer station process layer switch state monitoring methods, can be right
Process-level network is isolated with the information of station level network and can play the role of the agency to monitoring host, and acquisition process layer is handed over
The operating status changed planes is into row information.
To achieve the above object, the technical solution adopted by the present invention is that：
A kind of transformer station process layer switch state monitoring method comprising following steps：
Step 1 defines the first circuit module and monitors the communication protocol between host：It is wrapped in the format of the communication protocol
Include IP address information, message length, SNMP messages and the check code of target switch；
Step 2, monitoring host send the command message to target switch to the first circuit module, and command message format is pressed
It is generated according to the communication protocol between the first circuit module and monitoring host, the first circuit module receives query message and to the life
After enabling message carry out dissection process, the IP address information and SNMP message bodies of target switch are obtained from command message, then
The IP address information of target switch and SNMP messages body are sent to second circuit module by data/address bus to handle；
Step 3, second circuit module obtain the IP address information and SNMP message bodies of target switch from data/address bus, warp
Second circuit module is handled, and SNMP query messages are sent to target switch；
After step 4, target switch receive SNMP query messages, the switch status information of corresponding SNMP formats is returned
Message is to second circuit module, after second circuit module is to switch status information processing, together with the IP address of target switch
Information and switch status infomational message are sent to the first circuit module by data/address bus；
Step 5, the first circuit module receive IP address information and the exchange of the target switch obtained from data/address bus
Machine status information message, by the first circuit module according to the communication protocol between the first circuit module and monitoring host, by target
The IP address information and switch status infomational message of interchanger are packaged, and are sent to monitoring host, and monitoring host is to exchanging
After machine status information message is analyzed, the status information of target switch is got.
Compared with prior art, the beneficial effects of the present invention are：
1, being isolated to process-level network and station level network is realized, while realizing and process layer switch status is believed
The acquisition of breath.
2, from the design, the message body of SNMP is formed by monitoring host completely, is convenient for monitoring host to process in this way
Layer switch and station level interchanger carry out integrated be uniformly processed.
3, in terms of the action of device, play the role of the agency to monitoring host, this sampling device is further expanded
After exhibition application, the specific information of process layer other equipment can be got from station level.
4, from the second circuit module design of device, the physical communication interface of the types such as redundancy serial ports is also convenient for
The realization of particular application.
Description of the drawings
Fig. 1 is the system construction drawing of apparatus of the present invention application composition；
Fig. 2 is the device of the invention circuit block diagram；
Fig. 3 is the communication protocol between present invention monitoring host and device；
Fig. 4 is the first circuit modular structure figure of the present invention；
Fig. 5 is the second circuit function structure chart of the present invention.
Specific implementation mode
The present invention is further illustrated With reference to embodiment.
A kind of transformer station process layer switch state monitoring apparatus, as shown in Fig. 2, be made of two circuit modules,
Two circuit modules carry out data and information exchange by data/address bus.The network port connection of wherein the first circuit module is arrived at a station
Layer network is controlled, the network port of second circuit module is connected to process-level network, and the network port of two circuit modules is physically
It is completely independent, realizes the mutual indepedent of station level network and process-level network.
Wherein：
First circuit module：Data exchange, presentation of information and device between device and the monitoring host of station level are run
Parameter setting.
Second circuit module：Interchanger operating status letter is obtained by snmp protocol between device and process layer switch
Breath.
101：First circuit module issues the IP address information of target switch by data/address bus and SNMP message bodies arrive
Second circuit module；The IP address information of target switch and the friendship by being sent in second circuit module are received by data/address bus
Status information of changing planes message.
102：Second circuit module is by sending the IP address information and switch status of target switch on data/address bus
Infomational message is to the first circuit module；The IP address of the target switch issued by the first circuit module is received by data/address bus
Information and SNMP message bodies.
103：Information exchange is carried out between first circuit module docking station control layer network, with monitoring host.
104：Second circuit module connection procedure layer network, carries out information exchange between interchanger.
Data exchange, presentation of information and device between first circuit module finishing device and the monitoring host of station level are transported
Row parameter setting.As shown in figure 4, being equipped with the first CPU in the first circuit module：First CPU uses the S3C2410 of Samsung Group
(ARM9), the data storage of the synchronous DRAM SDRAM of the first the data storage end and 16M × 16 of the first CPU
End connection, initial address 0x0C000000, the BIT SDRAM storage mediums of tyre 4M × 16, initial address 0x0 are used
In deposit operation system and application system, the second the data storage end of the first CPU connects with the data storage end of 8M flash memories FLASH
It connects, the clock end of the first CPU and the clock end of clock circuit connect；The liquid crystal display panel signal end of first CPU and one 4 inches
The liquid crystal display panel signal end of 320 × 240 thin film field effect transistor TFT connects, and the first CPU's is connected by strong end with 8 buttons
It connects, the network-control end of the first CPU is connect with the first network control terminal of a piece of 100M network controllers, and network controller uses
AX88796B chips, the second network-control end of network controller and the first exchange end of 5 mouthfuls of exchange chips of a piece of 100M connect
Connect, 5 mouthfuls of exchange chips use RTL8305SC, the second exchange end of 5 mouthfuls of exchange chips respectively with debugging serial interface, network interface 1, network interface 2
It is connected with network interface 3.Network interface 1, network interface 2 and network interface 3 are connect by the bus board of equipment with data/address bus.
In the first circuit module be furnished with panel and keypad and liquid crystal display, may be implemented to device with monitoring host it
Between, the presentation of information of communication packet between device and process layer switch, and complete to join the operations such as setup time information
Several settings.
Interchanger operating status is obtained by snmp protocol between second circuit module finishing device and process layer switch
Information.As shown in figure 5, being equipped with the 2nd CPU in second circuit module：2nd CPU is had using Freescale Semiconductor (China)
The CPU of limit company, the sudden strain of a muscle that model MPC8247, the 2nd CPU pass through data/address bus and the memory chip, 8M of 8 16M × 16
It deposits FLASH, clock circuit and BOOTROM sockets to be separately connected, every 4 memory chips constitute the random access memory of 16M × 64
The areas RAM, the piece that the areas Liang Ge RAM occupy MPC8247 respectively select CS1 and CS7, and initial address is 0x0 and 0x11000000 respectively,
FLASH configures system for deposit operation system, application system and FPGA, and FLASH takes 16 bit manipulations, occupies MPC8247's
CS2 pieces select, initial address 0x30000000；Capacity is the CF cards (data storage device Compact Flash) of 2G, is occupied
The CS4 pieces of MPC8247 select, initial address 0x16000000；2nd CPU connects optical electrical mouth and debugging through ethernet PHY network interface card
Interface, when 4 serial ports that circuit module is connect by interface bus with 4 serial ports, 16V554 serioparallel exchange mouths, the two-way schools GPS
Connection carries out IEEE1588 network clock synchronizations；(i.e. data are total for input and output IO buses of 2nd CPU through FPGA and bus board
Line), school when bus connect, FPGA be altera corp of the U.S. EP3C16F484C8N type fpga chips；2nd CPU is through board
Three media access control layer MAC, ethernet PHY network interface card be separately connected 3 external optical electrical mouths.
Operation principle：
A, the communication protocol between definition device and monitoring host：
Communication protocol between definition device and monitoring host, as shown in figure 3, including process in the format of communication protocol
IP address information, message length, SNMP messages and the check code of layer target switch.
The IP address information of process layer target switch：Need the target switch address accessed, length：4 bytes.
Message length：2 bytes, high-order preceding, low level is rear.
Snmp protocol：Agreement particular content.
Check code：After adding up to all bytes in switch ip address, length, snmp protocol, low byte is taken to make
For check code (or verification and).
B, system forms：
By device, monitoring host and process layer group of switches at system, as shown in Figure 1, wherein the first circuit module of device
Debugging serial interface and monitoring host be articulated on station level network, two external optical electrical mouths of second circuit module mount respectively
A nets and B to process layer is online, interchanger be distributed in process-level network A nets or B it is online.
C, the first circuit module is to monitoring host Message processing：
Query message of the host to device transmission to some interchanger of process layer is monitored, message format is according to device and monitoring
Communication protocol between host generates.After first circuit module of device receives message, after carrying out dissection process by the first CPU,
The IP address information of acquisition process layer target switch and SNMP message bodies, address information and SNMP messages pass through number from message
Second circuit module is sent to according to bus to be handled.
D, second circuit module sends querying command to process layer switch：
After second circuit module obtains IP address information and the SNMP message bodies of mark interchanger from data/address bus, through second
CPU processing sends SNMP query messages to target switch.
E, second circuit module obtains switch status information processing：
After process layer switch receives the SNMP query messages of device, the switch status letter of corresponding SNMP formats is returned
Cease message arrive device second circuit module, the 2nd CPU handle after, by the IP address information of interchanger and switch status information
Message is sent to the first circuit module by data/address bus and is handled.
F, the first circuit module is to status information Message processing：
First circuit module receives the switch ip address information obtained from data/address bus and switch status infomational message,
By the first CPU according to the communication protocol between device and monitoring host, IP address information and switch status infomational message are beaten
Packet, and it is sent to monitoring host, after monitoring host analyzes message, get the status information of interchanger.
Above-listed detailed description is illustrating for possible embodiments of the present invention, which is not to limit this hair
Bright the scope of the claims, all equivalence enforcements or change without departing from carried out by the present invention are intended to be limited solely by the scope of the claims of this case.
Claims (7)
1. a kind of transformer station process layer switch state monitoring apparatus, which is characterized in that it includes：
First circuit module, first circuit module are connected to station level network, for receiving and station level network connection
Second circuit mould is sent to by data/address bus after monitoring the command message that host is sent out and being parsed to the command message
Block；
Second circuit module, the second circuit module are connected to process-level network, for receiving command message and by the life
It is sent to the target switch being connect with process-level network after enabling Message processing；
After the target switch receives command message, return switch status infomational message through second circuit module at
After reason, the first circuit module is sent to by data/address bus and is handled again and is sent to monitoring host；
The method that the second circuit module handles switch status infomational message is：Switch status information will be returned
The IP address information and switch status infomational message of the target switch of message are sent to the first circuit by data/address bus together
Module；
The method that first circuit module handles switch status infomational message is：Pass through the first circuit module and prison
The communication protocol between host is surveyed by the IP address information and switch status of the target switch obtained from second circuit module
Infomational message is packaged.
2. transformer station process layer switch state monitoring apparatus according to claim 1, which is characterized in that the life
It is query message to enable message, and the format of the query message is given birth to according to the communication protocol between the first circuit module and monitoring host
At.
3. transformer station process layer switch state monitoring apparatus according to claim 1 or 2, which is characterized in that institute
State IP address information, message length, SNMP messages and the check code that communication protocol includes target switch.
4. transformer station process layer switch state monitoring apparatus according to claim 3, which is characterized in that the friendship
Status information of changing planes message is SNMP formats.
5. transformer station process layer switch state monitoring apparatus according to claim 1, which is characterized in that described
One circuit module include the first CPU, network controller, exchange chip, the debugging serial interface for being articulated in station level network and with it is total
The connected network interface of the data/address bus of line board, wherein the first network at the network-control end and network controller of the first CPU
Control terminal is connected, and the second control terminal of network controller is connected with the first exchange end of exchange chip, and the second of exchange chip hands over
It changes end and is respectively connected to debugging serial interface and network interface.
6. transformer station process layer switch state monitoring apparatus according to claim 1 or 5, which is characterized in that institute
It includes the 2nd CPU, FPGA and external optical electrical mouth to state second circuit module, and the 2nd CPU is through ethernet PHY network interface card and extension
The external optical electrical mouth for being connected to process-level network is connected, and the 2nd CPU is connected to the data/address bus of bus board by FPGA
On.
7. a kind of transformer station process layer switch state monitoring method, which is characterized in that it includes the following steps：
Step 1 defines the first circuit module and monitors the communication protocol between host：The format of the communication protocol includes mesh
Mark IP address information, message length, SNMP messages and the check code of interchanger；
Step 2, monitoring host are sent to the first circuit module to the command message of target switch, and command message format is according to the
Communication protocol between one circuit module and monitoring host generates, and the first circuit module receives query message and reported to the order
After text carries out dissection process, the IP address information and SNMP message bodies of target switch are obtained from command message, then by mesh
The IP address information and SNMP messages body for marking interchanger are sent to second circuit module by data/address bus and are handled；
Step 3, second circuit module obtain the IP address information and SNMP message bodies of target switch from data/address bus, through second
Circuit module is handled, and SNMP query messages are sent to target switch；
After step 4, target switch receive SNMP query messages, the switch status infomational message of corresponding SNMP formats is returned
To second circuit module, after second circuit module is to switch status information processing, together with the IP address information of target switch
And switch status infomational message is sent to the first circuit module by data/address bus；
Step 5, the first circuit module receive the IP address information and interchanger shape of the target switch obtained from data/address bus
State infomational message exchanges target by the first circuit module according to the communication protocol between the first circuit module and monitoring host
The IP address information and switch status infomational message of machine are packaged, and are sent to monitoring host, and monitoring host is to interchanger shape
After state infomational message is analyzed, the status information of target switch is got；
The command message and query message are same message.
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Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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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 |
| JP7007570B2 (en) * | 2017-12-27 | 2022-01-24 | 株式会社ソシオネクスト | Processing equipment, semiconductor integrated circuits and condition monitoring methods |
| CN109347207A (en) * | 2018-11-23 | 2019-02-15 | 中国南方电网有限责任公司超高压输电公司南宁局 | A kind of telecontrol device state monitoring apparatus and method based on substation |
| CN109856532A (en) * | 2019-02-25 | 2019-06-07 | 许昌开普检测研究院股份有限公司 | A kind of Intelligent protective relaying device process layer exception Auto-Test System |
| 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 |
| 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 |
| 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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