CN103944751A - Intelligent power distribution terminal based on SNMP and communication quality real-time feedback method thereof - Google Patents
Intelligent power distribution terminal based on SNMP and communication quality real-time feedback method thereof Download PDFInfo
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- CN103944751A CN103944751A CN201410122380.6A CN201410122380A CN103944751A CN 103944751 A CN103944751 A CN 103944751A CN 201410122380 A CN201410122380 A CN 201410122380A CN 103944751 A CN103944751 A CN 103944751A
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Abstract
The invention relates to an intelligent power distribution terminal based on the SNMP and a communication quality real-time feedback method of the intelligent power distribution terminal. The intelligent power distribution terminal based on the SNMP comprises a first CPU and a second CPU in which the SNMP is set, the first CPU and the second CPU are connected through a serial port, real-time three remote data are acquired by the first CPU, transmitted to the second CPU through the serial port and then transmitted to the outside through a communication interface of the second CPU. According to the intelligent power distribution terminal based on the SNMP and the communication quality real-time feedback method of the intelligent power distribution terminal, messages received and transmitted by each communication port of the intelligent power distribution terminal are analyzed through the SNMP in the communication data transmission process; then, by responding to polling of monitoring software and actively uploading the abnormal state in the communication process, the communication quality of the terminal can be fed back in real time so that the communication quality in actual operation of the intelligent power distribution terminal can be accurately reflected, it is guaranteed that communication transmission of an intelligent power distribution network in actual operation is more reliable, and the intelligent power distribution terminal is of vital practical engineering significance.
Description
Technical field
The invention discloses a kind of Intelligent power distribution terminal and communication quality real-time feedback method thereof based on snmp protocol, be mainly used in electrical power distribution automatization system, belong to Power System and its Automation field.
Background technology
Distribution Automation Construction is the inexorable trend of following intelligent grid development.In distribution automatic system nowadays, adopt Intelligent power distribution terminal to carry out voltage, electric current, switch tool deciliter position to distribution line and carry out observing and controlling, and fault message is reacted in time, analyzes, isolated, this has just produced a large amount of network data exchanges.But in the distribution network of practical application at present, do not have the detection means for the communication data quality of distribution terminal own, this just makes the event such as packet loss, error code occurring in Intelligent power distribution network actual motion have no way of finding, has no way of processing.
At present, snmp protocol ripe utilization in communication equipment, the communication equipment in Intelligent power distribution network can obtain and feedback communication link on communication quality.But, the communication quality of pointing out terminal equipment that communication equipment can not be clear and definite, when this just makes to find communication quality problem, we can not more reasonably find problem root knot place sooner.And adopt two CPU based on the Intelligent power distribution terminal of snmp protocol, communication is separate with collection, be applicable to SNMP to introduce distribution field, the real-time and historical communication quality that reflects current terminal that can be clear and definite, makes the Intelligent power distribution network stable maintenance of communicating by letter more real reliable.
Summary of the invention
Problem for current distribution network communication quality without monitoring feedback in real time, the object of the invention provides a kind of Intelligent power distribution terminal based on snmp protocol, enable to reflect accurately the communication quality of Intelligent power distribution terminal in actual motion, thereby ensure that Intelligent power distribution network communications in actual motion is more reliable.
To achieve these goals, the present invention realizes by the following technical solutions:
A kind of Intelligent power distribution terminal based on snmp protocol, it comprises for being responsible for gathering and a CPU processor of data processing and with responsible correspondence with foreign country, and insert the 2nd CPU processor of snmp protocol, be connected by serial ports with the 2nd CPU processor at a described CPU processor, a described CPU processor collects real-time three distant data and is transferred on the 2nd CPU processor by serial ports, and externally transmit by the communication interface of the 2nd CPU processor, described the 2nd CPU processor is by calling the OID(object identity in linux system, Object identifier) storehouse, realize the real-time reflection of communication quality.
As preferably, on described the 2nd CPU processor, be provided with Bluetooth transmission module, infrared transmission module and RS232 debug port, easy to use.
As preferably, on described the 2nd CPU processor, be also provided with and extend out serial ports control chip 16C2552, be convenient to communication quality on give.
As preferably, a described CPU processor adopting be BF533 plate, described the 2nd CPU processor adopting be BF518 plate.
A kind of method of utilizing the above-mentioned Intelligent power distribution terminal communication quality Real-time Feedback based on snmp protocol, its method is: by utilizing in snmp protocol analyzing communication data transmitting procedure, the message of receiving and dispatching in each communication port of above-mentioned Intelligent power distribution terminal self, and calculate and record the error rate of port, the communication quality important indicator of data traffic by the 2nd CPU processor of above-mentioned Intelligent power distribution terminal; Then pass through response monitoring software polling, and send the abnormality in communication process initiatively, realize the Real-time Feedback to terminal communication quality.
Further, described monitoring software poll is the abbreviation that main station monitoring backstage adopts UDP(User Datagram Protocol, Chinese name is User Datagram Protoco (UDP)) broadcast polling mode communicates the calling of qualitative data to above-mentioned Intelligent power distribution terminal, and the part communication quality statistics that described Intelligent power distribution terminal will the error rate, data traffic in udp protocol mode simultaneously be sent main station monitoring backstage on initiatively.
Further, described Intelligent power distribution terminal distributes or ring topology structure distribution with star topology, and the communication quality information of each terminal in whole distribution network is fed back to main station monitoring backstage in time.
The present invention is on the Intelligent power distribution terminal basis that meets power distribution network demand, add snmp protocol, utilize in snmp protocol analyzing communication data transmitting procedure, the message of receiving and dispatching in each communication port of Intelligent power distribution terminal self, calculates and records the communication quality such as the error rate, the data traffic important indicator of port.Then by response monitoring software polling, and send the abnormality in communication process initiatively, realize the Real-time Feedback to terminal communication quality, enable to reflect accurately the communication quality of Intelligent power distribution terminal in actual motion, thereby ensure Intelligent power distribution network, in actual motion, communications is more
Reliably, there is very great engineering significance.
Brief description of the drawings
Describe the present invention in detail below in conjunction with the drawings and specific embodiments;
Fig. 1 is the structured flowchart of the Intelligent power distribution terminal based on snmp protocol of the present embodiment;
Fig. 2 send ideograph in the Intelligent power distribution terminal information of the present embodiment based on snmp protocol;
Fig. 3 is the communication monitoring star topology figure based on snmp protocol of the present invention;
Fig. 4 is the communication monitoring ring topology structure chart based on snmp protocol of the present invention.
Embodiment
For technological means, creation characteristic that the present invention is realized, reach object and effect is easy to understand, below in conjunction with embodiment, further set forth the present invention.
Referring to Fig. 1, the present embodiment is to provide a kind of Intelligent power distribution terminal based on snmp protocol, adopt dual CPU pattern, it can calculate the terminal of current terminal communication state in real time, in terminal CPU, introduce snmp protocol, resolve the transceiving data of terminal each communication port, record communication quality-critical index, and calculate the important information of communication quality.This Intelligent power distribution terminal comprises for being responsible for and gathering and a CPU processor of data processing, and for responsible correspondence with foreign country and insert the 2nd CPU processor of snmp protocol; The one CPU processor is connected with the 2nd CPU processor by serial ports, a described CPU processor collects real-time three distant data and is transferred on the 2nd CPU processor by serial ports, and externally transmit by the communication interface such as serial ports, Ethernet interface of the 2nd CPU processor, described the 2nd CPU processor, by calling the OID storehouse in linux system, is realized the real-time reflection of communication quality.
In the present embodiment, a CPU processor adopting be BF533 plate, described the 2nd CPU processor adopting be BF518 plate, on BF518 plate, be provided with Bluetooth transmission module, infrared transmission module and RS232 debug port, easy to use.In addition, on BF518 plate, be also provided with and extend out serial ports control chip 16C2552, be convenient to communication quality on give.
It should be noted that, the present embodiment enters snmp protocol on BF518 plate, snmp protocol is implanted in BF518, by calling i.e. " linux system in microcontroller field " of uCLinux(micro-control linux. on BF518 plate) OID storehouse in system, realize the real-time reflection of communication quality; Its implementation is as follows:
The sum of the bag of receiving:
TOTAL_INPUT_PACK-ETS=ifInUcastPkts+ifInNUcastPkts；
The sum of the bag sending:
TOTAL_OUTPUT_PACK-ETS=ifOutUcastPkts+ifOutNUcastP?kts；
Input packet loss=ifInDiscards/ (ifInUcastPkts+ifInNUcastPkts) * 100%;
Output packet loss=ifOutDiscards/ (ifInUcastPkts+ifInNUcastPkts) * 100%;
Loading error rate=ifInErrors/ (ifInUcastPkts+ifInNUcastPkts) * 100%;
Output error rate=ifOuterrors/ (ifOutUcastPkts+
ifOutNUcastPkts)*100％；
Interface input flow rate=ifInOctets*8/sysUpTime;
Interface output flow=ifOutOctets*8/sysUpTime;
Interface utilization=((ifInOctes+ifOUtOetets) * 8)/(T*ifSpeed) * 100%;
On send the implementation method that has disclosed Intelligent power distribution terminal application snmp protocol real time reaction terminal communication quality, the present embodiment utilizes the method for the above-mentioned Intelligent power distribution terminal communication quality Real-time Feedback based on snmp protocol, its method is: by utilizing in snmp protocol analyzing communication data transmitting procedure, the message of receiving and dispatching in each communication port of above-mentioned Intelligent power distribution terminal self, and calculate and record the error rate of port, the communication quality important indicator of data traffic by the 2nd CPU processor of above-mentioned Intelligent power distribution terminal; Then pass through response monitoring software polling, and send the abnormality in communication process initiatively, realize the Real-time Feedback to terminal communication quality.Wherein, referring to Fig. 2, monitoring software poll is that main station monitoring backstage adopts udp broadcast polling mode above-mentioned Intelligent power distribution terminal to be communicated to the calling of qualitative data, and described Intelligent power distribution terminal will send main station monitoring backstage in the part communication quality statistics actives such as the part error rate, data traffic in udp protocol mode simultaneously.Its concrete grammar is: in the time that Intelligent power distribution terminal is received the udp broadcast poll based on snmp protocol, first resolve the UDP message receiving, then call operation system OID storehouse, takes out the data of inquiring about in polling message, then assembles UDP message and sends back to main station monitoring backstage; Meanwhile, in the time that operating system finds that significant problem appears in communication quality, Automatically invoked OID storehouse, assembling UDP message, delivers to main station monitoring backstage in active.
Accompanying drawing 3 is the communication monitoring star topologies based on snmp protocol, and accompanying drawing 4 is the communication monitoring ring topology structures based on snmp protocol.Intelligent power distribution terminal distributes or ring topology structure distribution with star topology, and the communication quality information of each terminal in whole distribution network is fed back to main station monitoring backstage in time.
Every important communication technical indicators such as the mutual flow of the actual distribution network of terminal energy real-time report of the present invention its data in service, the error rate, be mainly used in electrical power distribution automatization system, belong to Power System and its Automation field, thereby ensure that Intelligent power distribution network communications in actual motion is more reliable, there is very great engineering significance.
More than show and described general principle of the present invention and principal character and advantage of the present invention.The technical staff of the industry should understand; the present invention is not restricted to the described embodiments; that in above-described embodiment and specification, describes just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.The claimed scope of the present invention is defined by appending claims and equivalent thereof.
Claims (7)
1. the Intelligent power distribution terminal based on snmp protocol, it is characterized in that, it comprises the CPU processor for being responsible for collection and data processing, and for being responsible for correspondence with foreign country and inserting the 2nd CPU processor of snmp protocol, be connected by serial ports with the 2nd CPU processor at a described CPU processor, a described CPU processor collects real-time three distant data and is transferred on the 2nd CPU processor by serial ports, and externally transmit by the communication interface of the 2nd CPU processor, described the 2nd CPU processor is by calling the object identity storehouse in linux system, realize the real-time reflection of communication quality.
2. the Intelligent power distribution terminal based on snmp protocol according to claim 1, is characterized in that, as preferably, on described the 2nd CPU processor, is provided with Bluetooth transmission module, infrared transmission module and RS232 debug port, easy to use.
3. the Intelligent power distribution terminal based on snmp protocol according to claim 1, is characterized in that, on described the 2nd CPU processor, is also provided with and extends out serial ports control chip.
4. the Intelligent power distribution terminal based on snmp protocol according to claim 1, is characterized in that, a described CPU processor adopting be BF533 plate, described the 2nd CPU processor adopting be BF518 plate.
5. one kind is utilized the method for the Intelligent power distribution terminal communication quality Real-time Feedback of claim 1-5 any one based on snmp protocol, its method is: by utilizing in snmp protocol analyzing communication data transmitting procedure, the message of receiving and dispatching in each communication port of above-mentioned Intelligent power distribution terminal self, and calculate and record the error rate of port, the communication quality important indicator of data traffic by the 2nd CPU processor of above-mentioned Intelligent power distribution terminal; Then pass through response monitoring software polling, and send the abnormality in communication process initiatively, realize the Real-time Feedback to terminal communication quality.
6. method according to claim 1, it is characterized in that, described monitoring software poll is that main station monitoring backstage adopts udp broadcast polling mode above-mentioned Intelligent power distribution terminal to be communicated to the calling of qualitative data, and described Intelligent power distribution terminal will send main station monitoring backstage in the part communication quality statistics active of the error rate, data traffic in udp protocol mode simultaneously.
7. method according to claim 1, is characterized in that, described Intelligent power distribution terminal distributes or ring topology structure distribution with star topology, and the communication quality information of each terminal in whole distribution network is fed back to main station monitoring backstage in time.
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| CN104184633A (en) * | 2014-09-11 | 2014-12-03 | 国家电网公司 | Intelligent power distribution terminal and communication quality detection method |
| CN106780133A (en) * | 2016-12-12 | 2017-05-31 | 国网北京市电力公司 | Electrical power distribution automatization system appraisal procedure and device |
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| CN203368147U (en) * | 2013-07-10 | 2013-12-25 | 国家电网公司 | Intelligent distribution terminal with Bluetooth function |
| CN203457167U (en) * | 2013-04-24 | 2014-02-26 | 国家电网公司 | SNMP-based network management interface remote data acquisition adapter |
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| CN203457167U (en) * | 2013-04-24 | 2014-02-26 | 国家电网公司 | SNMP-based network management interface remote data acquisition adapter |
| CN203368147U (en) * | 2013-07-10 | 2013-12-25 | 国家电网公司 | Intelligent distribution terminal with Bluetooth function |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104184633A (en) * | 2014-09-11 | 2014-12-03 | 国家电网公司 | Intelligent power distribution terminal and communication quality detection method |
| CN106780133A (en) * | 2016-12-12 | 2017-05-31 | 国网北京市电力公司 | Electrical power distribution automatization system appraisal procedure and device |
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Application publication date: 20140723 |