CN103488162A - Detection method based on heartbeat model for communication state of large rectifying device - Google Patents
Detection method based on heartbeat model for communication state of large rectifying device Download PDFInfo
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- CN103488162A CN103488162A CN201310280519.5A CN201310280519A CN103488162A CN 103488162 A CN103488162 A CN 103488162A CN 201310280519 A CN201310280519 A CN 201310280519A CN 103488162 A CN103488162 A CN 103488162A
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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
- H04L43/10—Active monitoring, e.g. heartbeat, ping or trace-route
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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
- H04L43/08—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters
- H04L43/0805—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters by checking availability
- H04L43/0811—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters by checking availability by checking connectivity
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/14—Session management
- H04L67/143—Termination or inactivation of sessions, e.g. event-controlled end of session
- H04L67/145—Termination or inactivation of sessions, e.g. event-controlled end of session avoiding end of session, e.g. keep-alive, heartbeats, resumption message or wake-up for inactive or interrupted session
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- Health & Medical Sciences (AREA)
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Abstract
Provided is a detection method based on a heartbeat model for a communication state of a large rectifying device. The network node state is designed, a heartbeat mechanism is improved, and a heartbeat data packet protocol is defined, so the heartbeat model for improving the heartbeat mechanism is provided. A heartbeat packet is transmitted between a remote monitoring end located on a network application layer and a monitored end located on an on-site monitoring layer through the heartbeat model to judge the condition of communication connection between the monitored end and the remote monitoring end, so corresponding measures are taken to improve availability and reliability of network node service and communication; meanwhile, network burdens of a server under the operating mode of a remote monitoring server and multiple monitoring ends are effectively relieved.
Description
Technical field
The present invention relates to industrial control field, especially a kind of large-scale fairing communication state detection method based on Heartbeat model.
Background technology
High-power rectifying device has been widely used in the industries such as smelting, chemical industry, and its operation directly concerns the stable and safety of production.But, due to problems such as production on-site environment are severe, power grid quality is unstable and failure rate is high, make the remote monitoring of large-scale fairing and safeguard particularly difficulty.At present, long distance control system mainly is comprised of remote maintenance layer, network application layer and field monitoring layer.The field monitoring layer be responsible for by bus by data acquisition in the field monitoring station, on the spot some equipment is monitored and simply fault diagnosis and warning, and production data is sent in long-range data server.Network application layer gathers running state data by network technology from the field monitoring point that is distributed in diverse geographic location, and carries out effective store and management.The remote maintenance layer utilizes plant maintenance and the management of the remote data of remote collection.At present, introduce the flow of equipment room data link in the radio network technique safeguards system based on the tcp/ip agreement, prevented broken string.But do not have at present a kind of technology can proper communication for detection of each equipment in system, can affect like this normal operation of each equipment in system, especially can make the slip-stick artist long-rangely to fairing, carry out fault diagnosis.
Summary of the invention
Technical matters to be solved by this invention is to provide a kind of detection method of the large-scale fairing communications status based on Heartbeat model, not only can detect the communications status of remote monitoring end and monitored end, and, the data volume of communications is little, reliability is high, between remote monitoring end and monitored end, can not produce the phenomenon of invalid transmission data.
For solving the problems of the technologies described above, technical scheme of the present invention is: a kind of detection method of the large-scale fairing communications status based on Heartbeat model, its be applied to one by the remote monitoring server that is arranged in network application layer, a plurality ofly be positioned at the monitored end of Site Detection layer and be under the jurisdiction of the large-scale fairing long distance control system that a plurality of large-scale rectifier of these monitored ends forms, detection method comprises the following steps:
(1) design Heartbeat model is set as the communications status of remote supervisory and control(ling) equipment:
" communication disruption ", mean not connect link;
" in communication ", mean that attempting/wait for setting up Socket connects, or the heartbeat packet transmitting-receiving is undesired;
" communication is normal ", mean that link is normal, and the heartbeat packet transmitting-receiving is normal;
(2) set up heartbeat mechanism, the remote monitoring end that is positioned at network application layer adopts identical heartbeat mechanism with the monitored end that is positioned at the field monitoring layer, when monitoring client is received heartbeat data, should return to a corresponding heartbeat packet to monitored end;
(3) when the remote monitoring end monitors a plurality of monitored end, network load is overweight, so, adopt the monitored end of field monitoring layer initiatively to send heartbeat packet;
(4) in heartbeat packet, comprise for detection of the test data connected, test data is unfixing, while sending heartbeat packet, from one group of data sequence, circularly, sequentially chooses one at every turn; In the sequence of test data of monitored end, specify wherein one to be special checking data, only have while in the heartbeat packet data that the server of remote monitoring end is received, comprising special check bit data, just return to corresponding heartbeat packet, otherwise, do not do any operation, continue to receive next heartbeat packet.
As improvement, the remote monitoring end of network application layer with after the monitored end of field monitoring layer is set up TCP and is connected, needs some initiation parameters of initialization heartbeat data packets to comprise:
1) be set the transmission cycle of heartbeat packet,
2) arrange and connect normal zone bit,
3) heartbeat packet test bit data sequence is set,
4) special check bit is set,
5) number of times of the server that reconnects the remote monitoring end is set,
6) be set the cycle of the server that reconnects the remote monitoring end.
As improvement, heartbeat data comprises the heart-beat test position and adopts data sequence 0～N, complete data sequence and set when the signal procedure initialization, and one of them sequence is set to the distinctive mark position.
As improvement, the heartbeat frame comprises: packet header, factory's station number, data bit, heart-beat test position, effect and bag tail.In this agreement: packet header, bag tail are all used 2 bytes; Data bit length is indefinite, for meaning to be sent to real time data and the length of far-end; In the heartbeat data packets that the multiplex monitored end in monitor layer at the scene of factory's station number sends to the server of remote monitoring end, for meaning the ID of monitored end, use 2 byte representations here.
The beneficial effect that the present invention compared with prior art brought is:
Because the improved heartbeat mechanism adopted can reduce, in network, exist in a plurality of monitored end situations, the network burden of the server of remote monitoring end, and the model data packet protocol has good extendability, so the method not only can detect the communications status of remote monitoring end and monitored end, and the data volume of communications is little, reliability is high, between remote monitoring end and monitored end, can not produce the phenomenon of invalid transmission data.
The accompanying drawing explanation
Fig. 1 is the system construction drawing that the present invention is based on large-scale rectification dress long distance control system processed.
Fig. 2 the present invention is based on the realization flow figure that the Heartbeat model communications status detects.
Embodiment
Below in conjunction with Figure of description, the invention will be further described.
Large-scale rectification dress long distance control system processed, adopt the mixed mode of C/S and B/S to carry out remote maintenance, short range adopt C/S model carry out field data collection, supervision and with the exchanges data of long-range Web server, long-range employing B/S pattern is carried out long-range plant maintenance and management.The large-scale fairing communication state detection method of communication based on Heartbeat model in this system is mainly used in field monitoring layer and network application layer.This is two-layer is mainly to adopt the C/S model design, comprise a plurality of local supervising and measuring equipments in the rig-site utilization layer, they are responsible for gathering by 485 buses the field data of a plurality of large-scale rectifying installations, transmit these data by wireless network toward far-end as client simultaneously, network application layer is responsible for receiving the real-time field data that a plurality of monitored ends that are positioned at the field monitoring layer detect, and real-time demonstration and the fault alarm of responsible field data.
The remote monitoring end of network application layer with after the monitored end of field monitoring layer is set up TCP and is connected, needs some initiation parameters of initialization heartbeat data packets to comprise:
1) be set the transmission cycle of heartbeat packet.
2) arrange and connect normal zone bit.
3) heartbeat packet test bit data sequence is set
4) special check bit is set
5) number of times of the server that reconnects the remote monitoring end is set
6) be set the cycle of the server that reconnects the remote monitoring end.
Detection method of the present invention comprises the following steps:
(1) design Heartbeat model is set as the communications status of remote supervisory and control(ling) equipment:
" communication disruption ", mean not connect link;
" in communication ", mean that attempting/wait for setting up Socket connects, or the heartbeat packet transmitting-receiving is undesired;
" communication is normal ", mean that link is normal, and the heartbeat packet transmitting-receiving is normal;
(2) set up heartbeat mechanism, the remote monitoring end that is positioned at network application layer adopts identical heartbeat mechanism with the monitored end that is positioned at the field monitoring layer, when monitoring client is received heartbeat data, should return to a corresponding heartbeat packet to monitored end;
(3) when the remote monitoring end monitors a plurality of monitored end, network load is overweight, so, adopt the monitored end of field monitoring layer initiatively to send heartbeat packet;
(4) in heartbeat packet, comprise for detection of the test data connected, test data is unfixing, while sending heartbeat packet, from one group of data sequence, circularly, sequentially chooses one at every turn; In the sequence of test data of monitored end, specify wherein one to be special checking data, only have while in the heartbeat packet data that the server of remote monitoring end is received, comprising special check bit data, just return to corresponding heartbeat packet, otherwise, do not do any operation, continue to receive next heartbeat packet.It is pointed out that the positive and negative direction element adopts identical criterion form.
The whole Frame based on heartbeat mechanism is as shown in the table:
| Packet header | Data bit | Factory's station number | The heart-beat test position | Effect | The bag tail |
In this agreement: packet header, bag tail are all used 2 bytes; Data bit length is indefinite, for meaning to be sent to real time data and the length of far-end; In the heartbeat data packets that the multiplex monitored end in monitor layer at the scene of factory's station number sends to the server of remote monitoring end, for meaning the ID of monitored end, use 2 byte representations here; The heart-beat test position is for detection of the customizing messages connected, the heart-beat test position has adopted a data unit sequence, here adopt data sequence 0～N. different from the heartbeat mechanism of server due to monitored end, when therefore monitored end sends heartbeat packet at every turn, circularly, sequentially data in Selective sequence as test bit, and server returns to a heartbeat packet only after receiving the heartbeat packet that comprises special check bit, its heart-beat test position value is special check bit.
Because the improved heartbeat mechanism adopted can reduce, in network, exist in a plurality of monitored end situations, the network burden of the server of remote monitoring end, and the model data packet protocol has good extendability, so the method not only can detect the communications status of remote monitoring end and monitored end, and the data volume of communications is little, reliability is high, between remote monitoring end and monitored end, can not produce the phenomenon of invalid transmission data.
Claims (4)
1. the detection method of the large-scale fairing communications status based on Heartbeat model, its be applied to one by the remote monitoring server that is arranged in network application layer, a plurality ofly be positioned at the monitored end of Site Detection layer and be under the jurisdiction of the large-scale fairing long distance control system that a plurality of large-scale rectifier of these monitored ends forms, it is characterized in that, detection method comprises the following steps:
(1) design Heartbeat model is set as the communications status of remote supervisory and control(ling) equipment:
" communication disruption ", mean not connect link;
" in communication ", mean that attempting/wait for setting up Socket connects, or the heartbeat packet transmitting-receiving is undesired;
" communication is normal ", mean that link is normal, and the heartbeat packet transmitting-receiving is normal;
(2) set up heartbeat mechanism, the remote monitoring end that is positioned at network application layer adopts identical heartbeat mechanism with the monitored end that is positioned at the field monitoring layer, when monitoring client is received heartbeat data, should return to a corresponding heartbeat packet to monitored end;
(3) when the remote monitoring end monitors a plurality of monitored end, network load is overweight, so, adopt the monitored end of field monitoring layer initiatively to send heartbeat packet;
(4) in heartbeat packet, comprise for detection of the test data connected, test data is unfixing, while sending heartbeat packet, from one group of data sequence, circularly, sequentially chooses one at every turn; In the sequence of test data of monitored end, specify wherein one to be special checking data, only have while in the heartbeat packet data that the server of remote monitoring end is received, comprising special check bit data, just return to corresponding heartbeat packet, otherwise, do not do any operation, continue to receive next heartbeat packet.
2. the detection method of a kind of large-scale fairing communications status based on Heartbeat model according to claim 1, it is characterized in that: the remote monitoring end of network application layer with after the monitored end of field monitoring layer is set up TCP and is connected, needs some initiation parameters of initialization heartbeat data packets to comprise:
1) be set the transmission cycle of heartbeat packet,
2) arrange and connect normal zone bit,
3) heartbeat packet test bit data sequence is set,
4) special check bit is set,
5) number of times of the server that reconnects the remote monitoring end is set,
6) be set the cycle of the server that reconnects the remote monitoring end.
3. the detection method of a kind of large-scale fairing communications status based on Heartbeat model according to claim 1, it is characterized in that: heartbeat data comprises the heart-beat test position and adopts data sequence 0～N, complete data sequence and set when the signal procedure initialization, and one of them sequence is set to the distinctive mark position.
4. the detection method of a kind of large-scale fairing communications status based on Heartbeat model according to claim 1, it is characterized in that: the heartbeat frame comprises: packet header, factory's station number, data bit, heart-beat test position, effect and bag tail.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310280519.5A CN103488162A (en) | 2013-07-04 | 2013-07-04 | Detection method based on heartbeat model for communication state of large rectifying device |
| PCT/CN2013/084389 WO2015000229A1 (en) | 2013-07-04 | 2013-09-27 | Heartbeat model-based method for detecting communication state of large rectifying apparatus |
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| CN201310280519.5A CN103488162A (en) | 2013-07-04 | 2013-07-04 | Detection method based on heartbeat model for communication state of large rectifying device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109274748A (en) * | 2018-09-30 | 2019-01-25 | 西安科技大学 | Reliable data transmission method and the power equipment monitoring data transmission method for applying it |
| CN109901561A (en) * | 2019-04-18 | 2019-06-18 | 北京汇通天下物联科技有限公司 | A kind of EMS terminal equipment failure remote diagnosis method based on various dimensions statistics |
| CN113805476A (en) * | 2021-09-01 | 2021-12-17 | 武汉市政工程设计研究院有限责任公司 | High-reliability network early warning method and system |
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| US7330444B1 (en) * | 2003-07-21 | 2008-02-12 | Symantec Operating Corporation | Cluster communication in heartbeat messages |
| US20070280256A1 (en) * | 2006-06-01 | 2007-12-06 | Jan Forslow | Systems and methods for providing a heartbeat in a communications network |
| JP5558279B2 (en) * | 2010-09-13 | 2014-07-23 | 株式会社東芝 | MONITORING / CONTROL SYSTEM, MONITORING / CONTROL DEVICE USED FOR SAME, AND MONITORING / CONTROL METHOD |
| CN103064391B (en) * | 2012-12-28 | 2015-11-18 | 广州数控设备有限公司 | Based on the long-range DNC control method of digital control system of ICP/IP protocol and Linux network programming |
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2013
- 2013-07-04 CN CN201310280519.5A patent/CN103488162A/en active Pending
- 2013-09-27 WO PCT/CN2013/084389 patent/WO2015000229A1/en active Application Filing
Non-Patent Citations (1)
| Title |
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| 鄢锋等: ""一种网络节点通信控制的心跳模型"", 《信息与控制》 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109274748A (en) * | 2018-09-30 | 2019-01-25 | 西安科技大学 | Reliable data transmission method and the power equipment monitoring data transmission method for applying it |
| CN109274748B (en) * | 2018-09-30 | 2021-06-25 | 西安科技大学 | Reliable data transmission method and power equipment monitoring data transmission method applying same |
| CN109901561A (en) * | 2019-04-18 | 2019-06-18 | 北京汇通天下物联科技有限公司 | A kind of EMS terminal equipment failure remote diagnosis method based on various dimensions statistics |
| CN113805476A (en) * | 2021-09-01 | 2021-12-17 | 武汉市政工程设计研究院有限责任公司 | High-reliability network early warning method and system |
| CN113805476B (en) * | 2021-09-01 | 2024-05-14 | 武汉市政工程设计研究院有限责任公司 | High-reliability network early warning method and system |
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| WO2015000229A1 (en) | 2015-01-08 |
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