CN112564788A - Multiplex channel maintenance system capable of identifying channel faults on line - Google Patents
Multiplex channel maintenance system capable of identifying channel faults on line Download PDFInfo
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- CN112564788A CN112564788A CN202011458165.5A CN202011458165A CN112564788A CN 112564788 A CN112564788 A CN 112564788A CN 202011458165 A CN202011458165 A CN 202011458165A CN 112564788 A CN112564788 A CN 112564788A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/07—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems
- H04B10/075—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal
- H04B10/079—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal using measurements of the data signal
- H04B10/0791—Fault location on the transmission path
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Abstract
The invention discloses a multiplex channel maintenance system capable of identifying channel faults on line, which comprises a protection device, a multiplex device, electric power communication network equipment, a channel monitoring device and a monitoring system, wherein the protection device is connected with an optical port of the channel monitoring device, the optical port of the channel monitoring device is connected with the optical port of the multiplex device, an electric port of the multiplex device is connected with an electric port of the channel monitoring device, the electric port of the channel monitoring device is connected with the electric power communication network equipment, and the channel monitoring device is connected with the monitoring system through a communication line. The problem of multiplex channel troubleshooting inefficiency that exists among the prior art is solved.
Description
Technical Field
The invention relates to the technical field of relay protection communication of transformer substations, in particular to a multiplexing channel maintenance system capable of identifying channel faults on line.
Background
The optical fiber multiplexing channel plays an important role in optical fiber pilot protection. The system is widely applied to a power system because the system is not limited by distance, is configured by a communication network and ensures the safety of the communication network. In the field application process, some abnormal problems can also occur in the optical fiber multiplexing channel, so that the channel is not smooth, the overhauling process is more complicated, and when the condition of instantaneous channel fault occurs, the channel is not easy to capture, so that the problem occurring in the channel needs to be monitored on line, and the fault overhauling is convenient.
The current maintenance process mainly depends on the frame loss and error frame statistical results of the protection device, the channel alarm and fault time record of the protection device and the alarm lamp of the multiple connection device for maintenance, because the multiple connection device has no record and usually has no pertinence, when the protection device discovers the frame loss, error frame, channel alarm or channel fault, the maintenance is slow by adopting a step-by-step self-loop mode, and particularly, the instantaneous fault is usually not recorded, so that the maintenance process is difficult to track, and the efficiency of the whole maintenance process is low.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a multiplex channel maintenance system capable of identifying channel faults on line, so as to solve the problem of low efficiency of multiplex channel fault maintenance in the prior art.
The invention discloses a multiplexing channel maintenance system capable of identifying channel faults on line, which comprises a protection device, a multiplexing device, electric power communication network equipment, a channel monitoring device and a monitoring system, wherein the protection device is connected with an optical port of the channel monitoring device, the optical port of the channel monitoring device is connected with the optical port of the multiplexing device, an electric port of the multiplexing device is connected with an electric port of the channel monitoring device, the electric port of the channel monitoring device is connected with the electric power communication network equipment, and the channel monitoring device is connected with the monitoring system through a communication line.
According to one embodiment of the present invention, the channel monitoring device includes two sets of optical ports and two sets of electrical ports.
According to one embodiment of the present invention, the optical port 1 transmission interface of the channel monitoring device and the optical port reception interface of the multiplexing device are connected by an optical fiber, the optical port 1 reception interface of the channel monitoring device and the optical port transmission interface of the protection device are connected by an optical fiber, the transmission interface of the optical port 2 of the channel monitoring device and the optical port reception interface of the protection device are connected by an optical fiber, and the optical port 2 reception interface of the channel monitoring device and the optical port transmission interface of the multiplexing device are connected by an optical fiber.
According to one embodiment of the present invention, the electric port 1 transmission interface of the passage monitoring device and the electric port reception interface of the power communication network equipment are connected by a coaxial cable, the electric port 1 reception interface of the passage monitoring device and the electric port transmission interface of the multiplexing device are connected by a coaxial cable, the electric port 2 transmission interface of the passage monitoring device and the electric port reception interface of the multiplexing device are connected by a coaxial cable, and the electric port 2 reception interface of the passage monitoring device and the electric port transmission interface of the power communication network equipment are connected by a coaxial cable.
According to an embodiment of the present invention, two sets of channel monitoring devices are connected to the monitoring system at the same time.
Compared with the prior art, the invention has the following beneficial effects:
1. by utilizing the monitoring function of the channel optical port and the electrical port of the channel monitoring device, the real-time states of the optical port and the electrical port of the optical fiber multiplexing channel can be monitored in real time, abnormal states can be captured and recorded in time, the positioning efficiency of instantaneous faults of the channel is effectively improved, and then, after the maintainers comprehensively judge according to the monitoring results of the channel monitoring devices on two sides, the maintainers carry out directional maintenance, and the pertinence of maintenance work is effectively improved.
2. The channel monitoring device is used for rapidly judging the result on line in the maintenance system to carry out directional maintenance, so that the process that each link needs to be operated once is omitted, and the maintenance efficiency can be improved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
FIG. 1 is a schematic structural diagram of a multiplexing channel maintenance system capable of identifying channel faults online according to the present invention;
fig. 2 is a schematic diagram of a topology structure for normal operation of an optical fiber multiplexing channel in a multiplexing channel maintenance system capable of identifying a channel fault on line according to the present invention.
Description of reference numerals: 1. the system comprises a protection device, 2 a multiplexing device, 3 power communication network equipment, 4 a channel monitoring device and 5 a monitoring system.
Detailed Description
In the following description, for purposes of explanation, numerous implementation details are set forth in order to provide a thorough understanding of the various embodiments of the present invention. It should be understood, however, that these implementation details are not to be interpreted as limiting the invention. That is, in some embodiments of the invention, such implementation details are not necessary. In addition, some conventional structures and components are shown in simplified schematic form in the drawings.
In addition, the descriptions related to the first, the second, etc. in the present invention are only used for description purposes, do not particularly refer to an order or sequence, and do not limit the present invention, but only distinguish components or operations described in the same technical terms, and are not understood to indicate or imply relative importance or implicitly indicate the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
The invention discloses a multiplex channel maintenance system capable of identifying channel faults on line, which has a structure shown in figure 1 and comprises a protection device 1, a multiplex device 2, electric power communication network equipment 3, a channel monitoring device 4 and a monitoring system 5, wherein the protection device 1 is connected with an optical port of the channel monitoring device 4, the optical port of the channel monitoring device 4 is connected with the optical port of the multiplex device 2, an electric port of the multiplex device 2 is connected with an electric port of the channel monitoring device 4, the electric port of the channel monitoring device 4 is connected with the electric power communication network equipment 3, and the channel monitoring device 4 is connected with the monitoring system 5 through a communication line.
The channel monitoring device 4 includes two sets of optical ports and two sets of electrical ports.
The transmission interface of the optical port 1 of the channel monitoring device 4 is connected with the reception interface of the optical port of the multiplexing device 2 through an optical fiber, the reception interface of the optical port 1 of the channel monitoring device 4 is connected with the transmission interface of the optical port of the protection device 1 through an optical fiber, the transmission interface of the optical port 2 of the channel monitoring device 4 is connected with the reception interface of the optical port of the protection device 1 through an optical fiber, and the reception interface of the optical port 2 of the channel monitoring device 4 is connected with the transmission interface of the optical port of the multiplexing device 2 through an optical fiber.
The electric port 1 transmitting interface of the channel monitoring device 4 is connected with the electric port receiving interface of the power communication network equipment 3 through a coaxial cable, the electric port 1 receiving interface of the channel monitoring device 4 is connected with the electric port transmitting interface of the multiplexing device 2 through a coaxial cable, the electric port 2 transmitting interface of the channel monitoring device 4 is connected with the electric port receiving interface of the multiplexing device 2 through a coaxial cable, and the electric port 2 receiving interface of the channel monitoring device 4 is connected with the electric port transmitting interface of the power communication network equipment 3 through a coaxial cable.
Two sets of channel monitoring devices 4 are connected to the monitoring system 5.
The invention relates to a multiplex channel maintenance system capable of identifying channel faults on line, wherein an optical fiber multiplex channel operates according to a topological structure shown in figure 2 when in normal operation, and field maintenance personnel can access a channel monitoring device into the channel maintenance system according to the topological structure shown in figure 1 when channel alarm information appears in a protection device.
When the optical fiber multiplexing channel normally operates, the protection device 1 has the function that the optical port transmits source data to the opposite side protection device and receives the source data transmitted by the opposite side protection device. The function of the multiple connection device 2 is that its electric port receives the source data sent by the optical port of the protection device 1, converts the source data into electric port data, and sends the electric port data to the power communication network equipment 3; another function is to convert the electric port data received by the electric port and transmitted by the electric power communication network equipment 3 into the optical port data receivable by the protection device 1. The power communication network equipment 3 functions as a hard channel to transmit electric port signals transmitted by the two-side multiplexing device 2.
The invention relates to a multiplex channel maintenance system capable of identifying channel faults on line, wherein an optical port of a protection device 1 is connected to an optical port of a channel monitoring device 4, the optical port of the channel monitoring device 4 is connected to an optical port of a multiplex device 2, optical port signals can be transmitted in the channel multiplex device 2 through the connection, and meanwhile, a monitoring module arranged in the channel multiplex device 2 can monitor the correctness of information sent by the optical ports of the protection device 1 and the multiplex device 2 and transmit a judgment result to a monitoring system 5. The electric port of the multiplexing device 2 is connected to the electric port of the channel monitoring device 4, the electric port of the channel monitoring device 4 is connected to the electric port of the multiplexing device 2, through the connection, the electric port signal can be transmitted in the channel multiplexing device 2, meanwhile, the built-in monitoring module of the channel multiplexing device 2 can monitor the correctness of the information sent by the electric ports of the multiplexing device 2 and the power communication network equipment 3, and the judgment result is transmitted to the monitoring system 4. And the field maintainer can directionally overhaul according to the judgment result of the channel monitoring device.
The above description is only an embodiment of the present invention, and is not intended to limit the present invention. Various modifications and alterations to this invention will become apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.
Claims (5)
1. The multiplex channel maintenance system capable of identifying channel faults on line is characterized by comprising a protection device (1), a multiplex device (2), electric power communication network equipment (3), a channel monitoring device (4) and a monitoring system (5), wherein the protection device (1) is connected with an optical port of the channel monitoring device (4), the optical port of the channel monitoring device (4) is connected with the optical port of the multiplex device (2), an electric port of the multiplex device (2) is connected with an electric port of the channel monitoring device (4), the electric port of the channel monitoring device (4) is connected with the electric power communication network equipment (3), and the channel monitoring device (4) is connected with the monitoring system (5) through a communication line.
2. A multiplexed channel inspection system that identifies channel faults online in accordance with claim 1, wherein the channel monitoring device (4) includes two sets of optical ports and two sets of electrical ports.
3. The system for repairing a multiplexing channel capable of identifying channel faults online as claimed in claim 2, wherein the transmission interface of the optical port 1 of the channel monitoring device (4) is connected with the reception interface of the optical port of the multiplexing device (2) through an optical fiber, the reception interface of the optical port 1 of the channel monitoring device (4) is connected with the transmission interface of the optical port of the protection device (1) through an optical fiber, the transmission interface of the optical port 2 of the channel monitoring device (4) is connected with the reception interface of the optical port of the protection device (1) through an optical fiber, and the reception interface of the optical port 2 of the channel monitoring device (4) is connected with the transmission interface of the optical port of the multiplexing device (2) through an optical fiber.
4. The system for repairing a multiplexing channel capable of identifying channel faults online as claimed in claim 2, wherein the electrical port 1 transmission interface of the channel monitoring device (4) is connected with the electrical port receiving interface of the power communication network equipment (3) through a coaxial cable, the electrical port 1 receiving interface of the channel monitoring device (4) is connected with the electrical port transmission interface of the multiplexing device (2) through a coaxial cable, the electrical port 2 transmission interface of the channel monitoring device (4) is connected with the electrical port receiving interface of the multiplexing device (2) through a coaxial cable, and the electrical port 2 receiving interface of the channel monitoring device (4) is connected with the electrical port transmission interface of the power communication network equipment (3) through a coaxial cable.
5. A multiplex channel servicing system for on-line identification of channel faults according to claim 1, characterized in that two sets of channel monitoring devices (4) are connected to the monitoring system (5) simultaneously.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011458165.5A CN112564788A (en) | 2020-12-10 | 2020-12-10 | Multiplex channel maintenance system capable of identifying channel faults on line |
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| CN202011458165.5A CN112564788A (en) | 2020-12-10 | 2020-12-10 | Multiplex channel maintenance system capable of identifying channel faults on line |
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Citations (4)
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|---|---|---|---|---|
| US20120212066A1 (en) * | 2006-12-06 | 2012-08-23 | Solaredge Technologies Ltd. | Safety Mechanisms, Wake Up and Shutdown Methods in Distributed Power Installations |
| CN106253978A (en) * | 2016-07-31 | 2016-12-21 | 孙文兵 | A kind of Fibre-optical Pilot Protection on-line fault diagnosis method |
| US20170187468A1 (en) * | 2013-09-19 | 2017-06-29 | Radius Universal Llc | Fiber optic communications and power network |
| CN107396214A (en) * | 2017-07-31 | 2017-11-24 | 广东中云海科技有限公司 | 128 × 128 tunnel baseband data signals real-time exchange systems and exchange method |
-
2020
- 2020-12-10 CN CN202011458165.5A patent/CN112564788A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120212066A1 (en) * | 2006-12-06 | 2012-08-23 | Solaredge Technologies Ltd. | Safety Mechanisms, Wake Up and Shutdown Methods in Distributed Power Installations |
| US20170187468A1 (en) * | 2013-09-19 | 2017-06-29 | Radius Universal Llc | Fiber optic communications and power network |
| CN106253978A (en) * | 2016-07-31 | 2016-12-21 | 孙文兵 | A kind of Fibre-optical Pilot Protection on-line fault diagnosis method |
| CN107396214A (en) * | 2017-07-31 | 2017-11-24 | 广东中云海科技有限公司 | 128 × 128 tunnel baseband data signals real-time exchange systems and exchange method |
Non-Patent Citations (2)
| Title |
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| 李响等人: "光纤纵联保护通道故障在线诊断方法", 《电力系统保护与控制》 * |
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Application publication date: 20210326 |