CN112564789A - Equipment and method for identifying fault section of multiplexing optical fiber channel - Google Patents

Equipment and method for identifying fault section of multiplexing optical fiber channel Download PDF

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Publication number
CN112564789A
CN112564789A CN202011458188.6A CN202011458188A CN112564789A CN 112564789 A CN112564789 A CN 112564789A CN 202011458188 A CN202011458188 A CN 202011458188A CN 112564789 A CN112564789 A CN 112564789A
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CN
China
Prior art keywords
channel
optical fiber
multiplexing
fiber channel
fibre
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Pending
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CN202011458188.6A
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Chinese (zh)
Inventor
王荣超
罗义晖
赵琰
申狄秋
王靓
欧俊延
石万里
韦德重
刘彬
荣军
孙阔腾
黄聪
田越宇
陈明佳
杨雪飞
宋阳
黄承喜
秦先坤
张鹏
梁君华
夏武
林家成
卢雯兴
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Liuzhou Bureau of Extra High Voltage Power Transmission Co
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Liuzhou Bureau of Extra High Voltage Power Transmission Co
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Application filed by Liuzhou Bureau of Extra High Voltage Power Transmission Co filed Critical Liuzhou Bureau of Extra High Voltage Power Transmission Co
Priority to CN202011458188.6A priority Critical patent/CN112564789A/en
Publication of CN112564789A publication Critical patent/CN112564789A/en
Pending legal-status Critical Current

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B10/00Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/07Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems
    • H04B10/075Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal
    • H04B10/079Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal using measurements of the data signal
    • H04B10/0791Fault location on the transmission path

Abstract

The application provides a device and a method for discriminating a multiplexing optical fiber channel fault section, wherein the device comprises: the optical fiber channel device at the first side and the optical fiber channel device at the second side are symmetrically arranged by the communication connection device to form a multiplexing optical fiber channel; the first side fibre channel device is used for discerning whether the fibre channel section that detects to be located first side is in the fault condition, and first side fibre channel device includes: the first protection device and the first multiplexing device; the communication connecting device is used for connecting the first side optical fiber channel device and the second side optical fiber channel device to form a first line optical fiber channel and a second line optical fiber channel; the second side fibre channel device is used for identifying and detecting whether a fibre channel section located at the second side is in a fault state, and the second side fibre channel device comprises: the second protection device and the second multiplexing device are used for rapidly positioning the multiplexing optical fiber channel fault section.

Description

Equipment and method for identifying fault section of multiplexing optical fiber channel
Technical Field
The application relates to the technical field of relay protection communication of transformer substations, in particular to equipment and a method for identifying a multiplexing optical fiber channel fault section.
Background
The optical fiber multiplexing channel plays an important role in optical fiber pilot protection. Since it is not limited by distance, is configured by a communication network and ensures its safety, it is widely used in power systems. In the field application process, some abnormal problems can also occur in the optical fiber multiplexing channel, so that the channel is not smooth, but the maintenance process is more complicated, and therefore, the problem occurring in the channel needs to be quickly positioned, so that the fault maintenance is convenient.
Disclosure of Invention
The application aims to provide equipment and a method for identifying a multiplexing optical fiber channel fault section, which are used for effectively overcoming the technical defects of complex fault maintenance process and slow fault position positioning in the prior art.
In a first aspect, an embodiment of the present application provides an apparatus for identifying a failure zone of a multiplexing fibre channel, where the apparatus includes: the optical fiber channel device at the first side and the optical fiber channel device at the second side are symmetrically arranged by the communication connection device to form a multiplexing optical fiber channel; the first side fibre channel device is used for discerning whether the fibre channel section that detects to be located first side is in the fault condition, and first side fibre channel device includes: the first protection device and the first multiplexing device; the communication connecting device is used for connecting the first side optical fiber channel device and the second side optical fiber channel device to form a first line optical fiber channel and a second line optical fiber channel; the second side fibre channel device is used for identifying and detecting whether a fibre channel section located at the second side is in a fault state, and the second side fibre channel device comprises: a second protection device and a second multiplexing device.
With reference to the first aspect, in a first possible implementation manner, the first protection device is connected to the first multiplexing device through a first optical fiber to form a first optical fiber receiving channel and a first optical fiber sending channel, and the first multiplexing device is configured to identify whether the first optical fiber receiving channel, the first optical fiber sending channel, and the first line optical fiber channel are in a fault state.
With reference to the first possible implementation manner of the first aspect, in a second possible implementation manner, the second protection device is connected to the second multiplexing device through a second optical fiber to form a second optical fiber receiving channel and a second optical fiber transmitting channel, and the second multiplexing device is configured to identify whether the second optical fiber receiving channel, the second optical fiber transmitting channel, and the second line optical fiber channel are in a fault state.
With reference to the second possible implementation manner of the first aspect, in a third possible implementation manner, the first multiplexing device and the second multiplexing device mutually transmit the identification and diagnosis result of the opposite-side optical fiber channel corresponding to the local-side optical fiber channel.
With reference to the first aspect, in a fourth possible implementation manner, the communication connection device is a coaxial cable.
In a second aspect, an embodiment of the present application provides a method for identifying a failure zone of a multiplexed fibre channel, where the method is applied to the first aspect and any possible implementation manner of the first aspect, and the multiplexed fibre channel includes a plurality of channel zones, and the method includes: acquiring state information of each channel section in a multiplexing optical fiber channel; determining a corresponding channel interval according to the channel number of the state information as the fault state and repairing the fault; and updating the state information of each channel section in the current multiplexing optical fiber channel, and judging whether a channel section in a fault state exists or not based on the updated state information of each channel section.
With reference to the second aspect, in a first possible implementation manner, the obtaining the state information of each channel section in the multiplexed fiber channel includes: by changing the working modes of the protection device, the multiplexing device diagnoses whether different channel intervals are in a fault state on line, and the working modes of the protection device and the channel intervals diagnosed by the multiplexing device have a corresponding relation; and summarizing the diagnosis results of the multiple channel sections diagnosed by the multiplexing device to obtain the state information of each channel section in the multiplexing optical fiber channel.
With reference to the first possible implementation manner of the second aspect, in a second possible implementation manner, the method further includes: the method comprises the steps that a local side protection device sends an original message to a local side multiplexing device, and the local side multiplexing device receives the original message and writes state information of a plurality of optical fiber channels diagnosed by the local side into the original message to obtain a first message; and sending the first message to the opposite side multiplexing device, and receiving the first message by the opposite side multiplexing device and forwarding the original message.
Compared with the prior art, the friendship effect of the invention is: by utilizing the channel state online diagnosis function of the multiplexing device, the multiplexing optical fiber channel fault section can be quickly positioned, and the positioning efficiency of the fault channel section is effectively improved; the directional maintenance is carried out through the channel online diagnosis result, and the pertinence of the maintenance work is effectively enhanced.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments of the present application will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and that those skilled in the art can also obtain other related drawings based on the drawings without inventive efforts.
Fig. 1 is a block diagram of a device for identifying a failure zone of a multiplexed fibre channel according to an embodiment of the present disclosure;
fig. 2 is a block diagram of another apparatus for identifying a failure zone of a multiplexed fibre channel according to an embodiment of the present disclosure;
fig. 3 is a flowchart illustrating a method for identifying a failure zone of a multiplexing fibre channel according to an embodiment of the present application.
Reference numbers: 10-equipment for identifying a fault section of a multiplexed fibre channel, 110-a first side fibre channel device, 111-a first protection device, 112-a first multiplexing device, 113-a first optical fibre, 120-a communication connection device, 130-a second side fibre channel device, 131-a second protection device, 132-a second multiplexing device, 133-a second optical fibre.
Detailed Description
The technical solutions in the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures. Meanwhile, in the description of the present application, the terms "first", "second", and the like are used only for distinguishing the description, and are not to be construed as indicating or implying relative importance.
Referring to fig. 1 and fig. 2, in an embodiment of the present application, an apparatus 10 for identifying a failure zone of a multiplexing fibre channel is provided in the embodiment of the present application, and the apparatus includes: the optical fiber channel device comprises a first side optical fiber channel device 110, a communication connection device 120 and a second side optical fiber channel device 130, wherein the first side optical fiber channel device 110 and the second side optical fiber channel device 130 are symmetrically arranged by the communication connection device 120 to form a multiplexing optical fiber channel; the first side fibre channel device 110 is used for identifying and detecting whether a fibre channel section located at the first side is in a fault state, and the first side fibre channel device 110 includes: a first protection device 111 and a first multiplexing device 112; the communication connection device 120 is used for connecting the first side fibre channel device 110 and the second side fibre channel device 130 to form a first line fibre channel and a second line fibre channel; the second side fibre channel device 130 is used for identifying whether the fibre channel section located at the second side is in a fault state, and the second side fibre channel device 130 includes: a second protection device 131 and a second multiplexing device 132.
In detail, the first protection device 111 and the first multiplexing device 112 are connected by a first optical fiber 113 to form a first optical fiber 113 receiving channel and a first optical fiber 113 transmitting channel, and the first multiplexing device 112 is configured to identify whether the first optical fiber 113 receiving channel, the first optical fiber 113 transmitting channel and the first line optical fiber channel are in a fault state.
The second protection device 131 is connected to the second multiplexing device 132 through a second optical fiber 133 to form a second optical fiber 133 receiving channel and a second optical fiber 133 sending channel, and the second multiplexing device 132 is configured to identify whether the second optical fiber 133 receiving channel, the second optical fiber 133 sending channel, and the second line optical fiber channel are in a fault state.
The first multiplexing device 112 and the second multiplexing device 132 mutually transmit the identification and diagnosis result of the opposite side optical fiber channel corresponding to the local side optical fiber channel. And the communication connection device 120 is a coaxial cable.
In the embodiment of the present application, the apparatus 10 for identifying a failure zone of a multiplexing fibre channel includes: the first protection device 111, the first multiplexing device 112, the communication connection device 120, the second protection device 131 and the second multiplexing device 132. The first protection device 111 is connected to the first multiplexing device 112 through a first optical fiber 113, the second protection device 131 is connected to the second multiplexing device 132 through a second optical fiber 133, and the first multiplexing device 112 is connected to the second multiplexing device 132 through a coaxial cable which is the communication connection device 120. All fibre channels between the devices 10 that identify the fibre channel failure zone are determined to form a multiplexed fibre channel.
Referring to fig. 3, fig. 3 is a flowchart illustrating a method for identifying a failure zone of a fiber channel multiplexing device according to an embodiment of the present disclosure. The method for identifying the failure section of the multiplexing optical fiber channel is applied to the above device 10 for identifying the failure section of the multiplexing optical fiber channel, and in the embodiment of the present application, the method for identifying the failure section of the multiplexing optical fiber channel includes: step S11, step S12, and step S13.
Step S11: acquiring state information of each channel section in a multiplexing optical fiber channel;
step S12, determining the corresponding channel interval according to the channel number of the fault state as the state information and repairing the fault;
step S13: and updating the state information of each channel section in the current multiplexing optical fiber channel, and judging whether a channel section in a fault state exists or not based on the updated state information of each channel section.
The specific implementation flow of the method for identifying the failure zone of the multiplexed fibre channel will be described in detail below.
Step S11: and acquiring the state information of each channel section in the multiplexing optical fiber channel.
In detail, the multiplexing device diagnoses whether different channel intervals are in a fault state on line by changing the working modes of the protection device, and the working modes of the protection device and the channel intervals diagnosed by the multiplexing device have a corresponding relation; and summarizing the diagnosis results of the multiple channel sections diagnosed by the multiplexing device to obtain the state information of each channel section in the multiplexing optical fiber channel.
It should be noted that the multiplexed fiber channel includes several channel sections. Specifically, it is assumed that the first fiber 113 transmission channel is set as fiber channel 1, the first line fiber channel is set as fiber channel 2, the second fiber 133 reception channel is set as fiber channel 3, the second fiber 133 transmission channel is set as fiber channel 4, the second line fiber channel is set as fiber channel 5, and the first fiber 113 reception channel is set as fiber channel 6, where the first line fiber channel is a fiber channel formed by the first multiplexing device 112 transmitting a message to the second multiplexing device 132 through the communication connection device 120, and the second line fiber channel is a fiber channel formed by the second multiplexing device 132 transmitting a message to the first multiplexing device 112 through the communication connection device 120. The states of each fibre channel diagnosis correspond to S1, S2, S3, S4, S5, S6, respectively.
Specifically, the first multiplexing device 112 and the second multiplexing device 132 each have a function of identifying a fibre channel fault section online. The first multiplexing device 112 can diagnose the optical fiber channel 1, the optical fiber channel 5, and the optical fiber channel 6 on line according to the optical input information, the electrical input information, and the message information sent by the first protection device 111, so as to obtain the diagnostic states S1, S5, S6 corresponding to the optical fiber channel 1, the optical fiber channel 5, and the optical fiber channel 6. It should be noted that the optical fiber channel of the online diagnosis of the first multiplexing device 112 is the optical fiber channel between the first multiplexing device 112 and the first protection device 111 closest to the first multiplexing device 112, and the second multiplexing device 132 is the optical fiber channel formed by sending a message to the first multiplexing device 112 through the communication connection device 120.
Similarly, the second multiplexing device 132 may diagnose the optical fiber channel 2, the optical fiber channel 3, and the optical fiber channel 4 on line according to the optical input information, the electrical input information, and the message information sent by the second protection device 131, so as to obtain the diagnostic states S2, S3, and S4 corresponding to the optical fiber channel 2, the optical fiber channel 3, and the optical fiber channel 4. It should be noted that the optical fiber channel for the online diagnosis of the second multiplexing device 132 is an optical fiber channel between the second multiplexing device 132 and the second protection device 131 closest to the second multiplexing device, and the optical fiber channel formed by the first multiplexing device 112 sending the message to the second multiplexing device 132 through the communication connection device 120. Through the above description, the state information of the channel section corresponding to each optical fiber channel in the multiplexed optical fiber channel can be obtained.
And step S12, determining the corresponding channel section according to the channel number of the fault state of the state information and repairing the fault.
In detail, the fault interval is manually checked according to the 'nearest principle of a sending end'. The "nearest transmitting end principle" refers to a nearest fault section near the transmitting end of the protection device, and the fault section can be quickly located through online diagnosis results of the first multiplexing device 112 and the second multiplexing device 132, so that specific reasons can be further manually checked, and fault repair can be performed.
Step S13: and updating the state information of each channel section in the current multiplexing optical fiber channel, and judging whether a channel section in a fault state exists or not based on the updated state information of each channel section.
In detail, in the embodiment of the present application, the online diagnosis status of the first and second multiplexing devices 112 and 132 is checked again, whether there is still a fault, and if there is still a fault, the steps S11 and S12 are repeated; if the failure has disappeared, it is checked whether the first protection device 111 and the second protection device 131 are restored to normal.
Checking whether the first protection device 111 and the second protection device 131 are restored to normal, and if not, repeating the steps S11 and S12; if the fiber channel between the first protection device 111 and the second protection device 131 is restored to normal, the failure is released.
And after all fault sections are repaired, restoring the field environment, checking whether connection of on-site optical fibers, coaxial cables and the like is reliable or not, checking whether the labels are correct or not, checking the channel states of the first protection device 111, the second protection device 131, the first multiplexing device 112 and the second multiplexing device 132, and resetting the alarm information.
As a possible implementation manner, in an embodiment of the present application, the method further includes: the method comprises the steps that a local side protection device sends an original message to a local side multiplexing device, and the local side multiplexing device receives the original message and writes state information of a plurality of optical fiber channels diagnosed by the local side into the original message to obtain a first message; and sending the first message to the opposite side multiplexing device, and receiving the first message by the opposite side multiplexing device and forwarding the original message.
In detail, the first multiplexing device 112 may transmit the states S1, S5, S6 to the second multiplexing device 132, and the second multiplexing device 132 may transmit the states S2, S3, S4 to the first multiplexing device 112. Therefore, both the first multiplexing device 112 and the second multiplexing device 132 can sense the status of the two side channels on line.
The process of the first multiplexing device 112 transmitting messages to the second multiplexing device 132 will be described in detail as follows: the first protection device 111 sends an original message to the first multiplexing device 112, after receiving the first protection device 111 message, the first multiplexing device 112 fills real-time channel states S1, S5, and S6 into a first multiplexing device 112 short message, and sends the whole segment of the message to the second multiplexing device 132 through the communication network, after receiving the whole segment of the message, the second multiplexing device 132 only forwards the first protection device 111 original message, and the position of the original first multiplexing device 112 short message is filled according to the format of an idle message. To sum up, the embodiment of the present application provides an apparatus for discriminating a fault section of a multiplexing optical fiber channel, where the apparatus includes: the optical fiber channel device at the first side and the optical fiber channel device at the second side are symmetrically arranged by the communication connection device to form a multiplexing optical fiber channel; the first side fibre channel device is used for discerning whether the fibre channel section that detects to be located first side is in the fault condition, and first side fibre channel device includes: the first protection device and the first multiplexing device; the communication connecting device is used for connecting the first side optical fiber channel device and the second side optical fiber channel device to form a first line optical fiber channel and a second line optical fiber channel; the second side fibre channel device is used for identifying and detecting whether a fibre channel section located at the second side is in a fault state, and the second side fibre channel device comprises: a second protection device and a second multiplexing device.
The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present application, and shall be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims (8)

1. An apparatus for identifying a multiplexed fibre channel failure zone, the apparatus comprising: the optical fiber channel device comprises a first side optical fiber channel device, a communication connection device and a second side optical fiber channel device, wherein the first side optical fiber channel device and the second side optical fiber channel device are symmetrically arranged by the communication connection device to form a multiplexing optical fiber channel;
the first side fibre channel device is used for identifying and detecting whether a fibre channel section located at a first side is in a fault state, and the first side fibre channel device comprises: the first protection device and the first multiplexing device;
the communication connecting device is used for connecting the first side optical fiber channel device and the second side optical fiber channel device to form a first line optical fiber channel and a second line optical fiber channel;
the second-side fibre channel device is used for identifying and detecting whether a fibre channel section located at a second side is in a fault state, and the second-side fibre channel device comprises: a second protection device and a second multiplexing device.
2. The apparatus for identifying a failure zone of a multiplexing fiber channel according to claim 1, wherein the first protection device is connected to the first multiplexing device through a first optical fiber to form a first fiber receiving channel and a first fiber transmitting channel, and the first multiplexing device is configured to identify whether the first fiber receiving channel, the first fiber transmitting channel, and the first line fiber channel are in a failure state.
3. The apparatus for identifying a failure zone of a multiplexing fibre channel according to claim 2, wherein the second protection device and the second multiplexing device are connected by a second optical fiber to form a second receiving fibre channel and a second sending fibre channel, and the second multiplexing device is configured to identify whether the second receiving fibre channel, the second sending fibre channel and the second sending fibre channel are in a failure state.
4. The apparatus for identifying a failure zone of a multiplexing optical fiber channel according to claim 3, wherein the first multiplexing device and the second multiplexing device mutually transmit the identification and diagnosis result of the opposite side optical fiber channel corresponding to the own side optical fiber channel.
5. The apparatus for identifying a fibre channel multiplex fault zone as in claim 1 wherein said communication connection means is a coaxial cable.
6. A method for identifying a failure zone of a fibre channel multiplex, the method being applied to the apparatus for identifying a failure zone of a fibre channel multiplex according to claims 1-4, wherein the fibre channel multiplex comprises a plurality of channel zones, the method comprising:
acquiring state information of each channel section in the multiplexing optical fiber channel;
determining a corresponding channel interval according to the channel number of the state information as the fault state and repairing the fault;
and updating the state information of each channel section in the current multiplexing optical fiber channel, and judging whether a channel section in a fault state exists or not based on the updated state information of each channel section.
7. The method of claim 6, wherein the obtaining the status information of each channel section in the multiplexing fibre channel comprises:
by changing the working modes of the protection device, the multiplexing device diagnoses whether different channel intervals are in a fault state on line, and the working modes of the protection device and the channel intervals diagnosed by the multiplexing device have a corresponding relation;
and summarizing the diagnosis results of the multiple channel sections diagnosed by the multiplexing device to obtain the state information of each channel section in the multiplexing optical fiber channel.
8. The method of identifying a multiplexed fibre channel failure zone in accordance with claim 7, further comprising:
the method comprises the steps that a local side protection device sends an original message to a local side multiplexing device, and the local side multiplexing device receives the original message and writes state information of a plurality of optical fiber channels diagnosed by the local side into the original message to obtain a first message;
and the opposite side multiplexing device receives the first message and forwards the original message.
CN202011458188.6A 2020-12-10 2020-12-10 Equipment and method for identifying fault section of multiplexing optical fiber channel Pending CN112564789A (en)

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