CN215990801U - Automatic monitoring and switching device for circuit optical fiber longitudinal protection channel - Google Patents
Automatic monitoring and switching device for circuit optical fiber longitudinal protection channel Download PDFInfo
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- CN215990801U CN215990801U CN202122330631.8U CN202122330631U CN215990801U CN 215990801 U CN215990801 U CN 215990801U CN 202122330631 U CN202122330631 U CN 202122330631U CN 215990801 U CN215990801 U CN 215990801U
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- cabinet body
- switching device
- automatic monitoring
- optical fiber
- protection channel
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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
- H04B10/03—Arrangements for fault recovery
- H04B10/032—Arrangements for fault recovery using working and protection systems
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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
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- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Optical Communication System (AREA)
Abstract
The utility model discloses an automatic monitoring and switching device for a circuit optical fiber longitudinal protection channel, which comprises a storage assembly, a first cabinet body, a second cabinet body, a third cabinet body and a fourth cabinet body, wherein the first cabinet body, the second cabinet body, the third cabinet body and the fourth cabinet body are arranged on one side of the first cabinet body; and the protection assembly comprises a protection device arranged in the first cabinet body and the fourth cabinet body, an optical transceiver arranged in the second cabinet body and the third cabinet body and an automatic monitoring and switching device. The automatic monitoring and switching device provided by the device has the functions of optical power monitoring, automatic light path switching, network management and the like, and effectively monitors and switches the abnormality of the pilot protection channel of the outgoing line of the wind power plant, so that the normality of the outgoing line channel is ensured, the action correctness of the protection devices on two sides of the line is further ensured, and the reliable operation of the outgoing line of the wind power plant is effectively protected.
Description
Technical Field
The utility model relates to the technical field of optical fibers, in particular to an automatic monitoring and switching device for a pilot protection channel of a line optical fiber.
Background
The pilot protection is an important main protection for 220KV and above lines of a wind power plant, namely, the pilot protection is a protection for transmitting electrical information of one side of the line to the other side to realize longitudinal connection of two sides of the line and simultaneously comparing and combining electrical quantities of two sides. Since pilot protection is protection that reflects changes in electrical quantities at both ends, communications are a problem since the two ends of the line exchange information about electrical quantities. Communication needs a channel, and an optical fiber channel is a channel for converting an electrical quantity signal into an optical signal and transmitting the optical signal through an optical fiber as a medium. The pilot protection made with fiber channels is called fiber protection. In the optical signal transmission process, if the optical fiber is damaged by uncontrollable external force on the line or causes the channel to be abnormal, the optical fiber is taken as a pilot protection channel to lose protection significance, so that the line operation of the wind power plant cannot be guaranteed, and the stability and reliability of the power system cannot be guaranteed.
SUMMERY OF THE UTILITY MODEL
This section is for the purpose of summarizing some aspects of embodiments of the utility model and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section as well as in the abstract of the specification and the title of the application to avoid obscuring the purpose of this section, the abstract of the specification and the title of the application, and such simplifications or omissions are not intended to limit the scope of the utility model.
The present invention has been made in view of the above and/or other problems occurring in the prior art apparatus for automatically monitoring and switching a pilot protection channel of a line optical fiber.
Therefore, the problem to be solved by the utility model is how to solve the problem that the pilot protection channel loses the protection significance when the channel is abnormal due to the uncontrollable external force damage on the fiber line or the self reason, so that the line operation of the wind power plant cannot be guaranteed, and the stability and the reliability of the power system cannot be guaranteed.
In order to solve the technical problems, the utility model provides the following technical scheme: the automatic monitoring and switching device for the line optical fiber longitudinal protection channel comprises a storage assembly, a control assembly and a control assembly, wherein the storage assembly comprises a first cabinet body, a second cabinet body arranged on one side of the first cabinet body, a third cabinet body arranged on one side of the second cabinet body and a fourth cabinet body arranged on one side of the third cabinet body; and the protection assembly comprises protection devices arranged inside the first cabinet body and the fourth cabinet body, optical transceivers and automatic monitoring and switching devices arranged inside the second cabinet body and the third cabinet body, and a main optical cable fiber core and a standby optical cable fiber core arranged between the second cabinet body and the third cabinet body.
As a preferred scheme of the automatic monitoring and switching device for the circuit optical fiber pilot protection channel, the utility model comprises the following steps: the first cabinet body is including setting up in the rings at top, rings symmetry is provided with two.
As a preferred scheme of the automatic monitoring and switching device for the circuit optical fiber pilot protection channel, the utility model comprises the following steps: the first cabinet body comprises supporting legs arranged at the bottom, and anti-slip pads are arranged at the bottoms of the supporting legs.
As a preferred scheme of the automatic monitoring and switching device for the circuit optical fiber pilot protection channel, the utility model comprises the following steps: the first cabinet body further comprises heat dissipation holes arranged on the outer side.
As a preferred scheme of the automatic monitoring and switching device for the circuit optical fiber pilot protection channel, the utility model comprises the following steps: the first cabinet body further comprises a baffle arranged inside the heat dissipation hole.
As a preferred scheme of the automatic monitoring and switching device for the circuit optical fiber pilot protection channel, the utility model comprises the following steps: the optical transceiver comprises a first fixed block arranged at the top and a second fixed block arranged at the bottom.
As a preferred scheme of the automatic monitoring and switching device for the circuit optical fiber pilot protection channel, the utility model comprises the following steps: the automatic monitoring and switching device comprises an installation block arranged on the outer side, and the installation block is fixedly matched with the inner wall of the second cabinet body.
As a preferred scheme of the automatic monitoring and switching device for the circuit optical fiber pilot protection channel, the utility model comprises the following steps: the automatic monitoring and switching device consists of an optical line protection device and an operation and maintenance terminal.
As a preferred scheme of the automatic monitoring and switching device for the circuit optical fiber pilot protection channel, the utility model comprises the following steps: the protection device, the optical transceiver and the automatic monitoring switching device are all connected through optical fibers.
As a preferred scheme of the automatic monitoring and switching device for the circuit optical fiber pilot protection channel, the utility model comprises the following steps: the protection device comprises a fixing plate arranged on the outer side and a fixing bolt arranged in the fixing plate.
The utility model has the beneficial effects that: the automatic monitoring and switching device provided by the utility model has the functions of optical power monitoring, automatic light path switching, network management and the like, and can effectively monitor and switch the abnormality of the pilot protection channel of the outgoing line of the wind power plant, so that the normality of the outgoing line channel is ensured, the action correctness of the protection devices on two sides of the line is further ensured, and the reliable operation of the outgoing line of the wind power plant is effectively protected.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise. Wherein:
fig. 1 is a structural diagram of an automatic monitoring and switching device for a pilot protection channel of a line optical fiber.
Fig. 2 is a first cabinet structure diagram of the automatic monitoring and switching device for the line optical fiber pilot protection channel.
Fig. 3 is a structural diagram of an optical transceiver of the automatic monitoring and switching device for the pilot protection channel of the optical fiber line.
Fig. 4 is a second cabinet structure diagram of the automatic monitoring and switching device for the line optical fiber pilot protection channel.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways than those specifically described and will be readily apparent to those of ordinary skill in the art without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.
Furthermore, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one implementation of the utility model. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.
Example 1
Referring to fig. 1, a first embodiment of the present invention provides an automatic monitoring and switching device for a line fiber pilot protection channel, which includes a storage module 100 and a protection module 200. The storage assembly 100 stores various elements, and the protection assembly 200 protects the optical transmission system line.
Specifically, the storage assembly 100 includes a first cabinet 101, a second cabinet 102 disposed on one side of the first cabinet 101, a third cabinet 103 disposed on one side of the second cabinet 102, and a fourth cabinet 104 disposed on one side of the third cabinet 103. The storage assembly 100 composed of the first cabinet 101, the second cabinet 102, the third cabinet 103 and the fourth cabinet 104 stores each electrical component.
Preferably, the protection assembly 200 includes a protection device 201 disposed inside the first cabinet 101 and the fourth cabinet 104, an optical transceiver 202 and an automatic monitoring and switching device 203 disposed inside the second cabinet 102 and the third cabinet 103, and a main optical cable core 204 and a spare optical cable core 205 disposed between the second cabinet 102 and the third cabinet 103. The optical transmission system line is monitored and protected by the protection assembly 200.
When the optical fiber protection device is used, the optical power on the working optical fiber and the spare optical fiber core 205 is monitored in real time through the automatic monitoring switching device 203, when the optical power value on the working optical fiber is monitored to be lower than the set switching threshold, an alarm prompt is immediately sent out, and the spare optical fiber core 205 is automatically switched to, so that the protection of the optical transmission system line is realized.
Example 2
Referring to fig. 1-2, a second embodiment of the present invention is based on the above embodiment.
Specifically, the first cabinet 101 includes two hanging rings 101a disposed at the top, and the two hanging rings 101a are symmetrically disposed. The cabinet body can be conveniently hoisted by a user through the arrangement of the hoisting ring 101.
Preferably, the first cabinet 101 includes a leg 101b disposed at the bottom, and the bottom of the leg 101b is provided with a non-slip mat. The firmness of the cabinet body is improved by arranging the supporting legs 101 b.
Preferably, the first cabinet 101 further includes a heat dissipation hole 101c disposed at an outer side. The heat dissipation treatment of the interior of the cabinet body is facilitated by the arrangement of the heat dissipation holes 101 c.
The first cabinet 101 further includes a baffle 101d disposed inside the heat dissipation hole 101 c. Can protect louvre 101c through setting up baffle 101d, prevent that the inside that the pollutant got into the cabinet body from causing the pollution.
When using, through automatic monitoring auto-change over device 203, the optical power on real-time supervision working optical fiber and the reserve optical cable fibre core 205, when monitoring the optical power value on the working optical fiber and being less than the switching threshold of settlement, send out immediately and report an emergency and ask for help or increased vigilance suggestion and automatic switch to reserve optical cable fibre core 205, thereby the realization is to the protection of optical transmission system circuit, through setting up rings 101 person of facilitating the use to the hoist and mount of the cabinet body, through setting up the firmness that landing leg 101b improved the cabinet body, through the heat dissipation treatment that sets up the internal portion of louvre 101c of being convenient for, can protect louvre 101c through setting up baffle 101d, prevent that the pollutant from getting into the inside of the cabinet body and causing the pollution.
Example 3
Referring to FIGS. 1-4, a third embodiment of the present invention is based on the first two embodiments.
Specifically, the optical transceiver 202 includes a first fixing block 202a disposed at the top, and a second fixing block 202b disposed at the bottom. By providing the first fixing block 202a, the firmness of the optical transceiver 202 is improved.
Preferably, the automatic monitoring and switching device 203 comprises a mounting block 203a disposed at the outer side, and the mounting block 203a is fixedly matched with the inner wall of the second cabinet 102. By arranging the mounting block 203a, the firmness of the automatic monitoring and switching device 203 is improved.
Preferably, the automatic monitoring and switching device 203 is composed of an optical line protection device and an operation and maintenance terminal. The optical line protection equipment and the operation maintenance terminal have the functions of optical power monitoring, automatic optical path switching, network management and the like.
The protection device 201, the optical transceiver 202 and the automatic monitoring and switching device 203 are all connected through optical fibers. The respective electrical components are connected by optical fibers.
The protector 201 includes a fixing plate 201a disposed outside, and a fixing bolt 201b disposed inside the fixing plate 201 a. The stability of the protection device 201 during use is improved by the fixing plate 201a and the fixing bolt 201 b.
When the device is used, the automatic monitoring and switching device 203 of the optical fiber pilot protection channel of the outgoing line of the wind power plant is used for detecting the optical fiber pilot protection channel, the detection method is completed by matching a sender and a receiver together, and the sender and the receiver respectively detect the optical fiber pilot protection channel at a physical layer, a data link layer and an application layer; the whole scheme realizes the unique identification of the channel on the premise of not increasing the user fixed value, and solves the problem that the existing scheme can not distinguish the master channel from the slave channel; the detection scheme can automatically complete the verification of the program versions of the protection devices at two sides, ensure the consistency of the program versions at two sides and eliminate the operation risk of manually correcting the versions; the information coding efficiency is high, one information word simultaneously contains a channel identifier and program version 2 type information, only 2 bytes of transmission quantity are increased, the influence on a protection program is extremely small, and after the channel abnormality is monitored, the switching device intervenes to cut off a fault or abnormal channel of a new energy station and an opposite station end, namely, the new energy station and the opposite station end are switched to a normal standby core of an optical channel, so that the stability and the reliability are realized.
It should be noted that the above-mentioned embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the claims of the present invention.
Claims (10)
1. Line optic fibre pilot protection passageway automatic monitoring and auto-change over device, its characterized in that: comprises the steps of (a) preparing a mixture of a plurality of raw materials,
the storage assembly (100) comprises a first cabinet body (101), a second cabinet body (102) arranged on one side of the first cabinet body (101), a third cabinet body (103) arranged on one side of the second cabinet body (102), and a fourth cabinet body (104) arranged on one side of the third cabinet body (103); and the number of the first and second groups,
the protection assembly (200) comprises a protection device (201) arranged inside the first cabinet body (101) and the fourth cabinet body (104), an optical transceiver (202) and an automatic monitoring switching device (203) arranged inside the second cabinet body (102) and the third cabinet body (103), and a main optical cable fiber core (204) and a spare optical cable fiber core (205) arranged between the second cabinet body (102) and the third cabinet body (103).
2. The automatic monitoring and switching device for the pilot protection channel of line optical fiber according to claim 1, characterized in that: the first cabinet body (101) comprises two hanging rings (101a) arranged at the top, and the two hanging rings (101a) are symmetrically arranged.
3. The automatic monitoring and switching device for the pilot protection channel of line optical fiber according to claim 1, characterized in that: the first cabinet body (101) comprises supporting legs (101b) arranged at the bottom, and anti-slip pads are arranged at the bottoms of the supporting legs (101 b).
4. The automatic monitoring and switching device for the pilot protection channel of line optical fiber according to claim 1, characterized in that: the first cabinet body (101) further comprises a heat dissipation hole (101c) arranged on the outer side.
5. The automatic monitoring and switching device for the pilot protection channel of line optical fiber according to claim 4, characterized in that: the first cabinet body (101) further comprises a baffle (101d) arranged inside the heat dissipation hole (101 c).
6. The automatic monitoring and switching device for the pilot protection channel of line optical fiber according to claim 1, characterized in that: the optical transceiver (202) comprises a first fixed block (202a) arranged at the top and a second fixed block (202b) arranged at the bottom.
7. The automatic monitoring and switching device for the pilot protection channel of line optical fiber according to claim 1, characterized in that: the automatic monitoring and switching device (203) comprises a mounting block (203a) arranged on the outer side, and the mounting block (203a) is fixedly matched with the inner wall of the second cabinet body (102).
8. The automatic monitoring and switching device for the pilot protection channel of line optical fiber according to claim 1, characterized in that: the automatic monitoring and switching device (203) consists of optical line protection equipment and an operation and maintenance terminal.
9. The automatic monitoring and switching device for the pilot protection channel of line optical fiber according to claim 7, wherein: the protection device (201), the optical transceiver (202) and the automatic monitoring switching device (203) are all connected through optical fibers.
10. The automatic monitoring and switching device for the pilot protection channel of line optical fiber according to claim 1, characterized in that: the protection device (201) comprises a fixing plate (201a) arranged on the outer side and a fixing bolt (201b) arranged inside the fixing plate (201 a).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122330631.8U CN215990801U (en) | 2021-09-26 | 2021-09-26 | Automatic monitoring and switching device for circuit optical fiber longitudinal protection channel |
| PCT/CN2022/108134 WO2023045546A1 (en) | 2021-09-26 | 2022-07-27 | Automatic monitoring and switching device for line fiber pilot protection channel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122330631.8U CN215990801U (en) | 2021-09-26 | 2021-09-26 | Automatic monitoring and switching device for circuit optical fiber longitudinal protection channel |
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| Publication Number | Publication Date |
|---|---|
| CN215990801U true CN215990801U (en) | 2022-03-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202122330631.8U Active CN215990801U (en) | 2021-09-26 | 2021-09-26 | Automatic monitoring and switching device for circuit optical fiber longitudinal protection channel |
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| Country | Link |
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| CN (1) | CN215990801U (en) |
| WO (1) | WO2023045546A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023045546A1 (en) * | 2021-09-26 | 2023-03-30 | 华能潍坊风力发电有限公司 | Automatic monitoring and switching device for line fiber pilot protection channel |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8041810B2 (en) * | 2008-11-05 | 2011-10-18 | At&T Intellectual Property I, L.P | Apparatus and method for managing a network |
| CN104753585A (en) * | 2015-04-13 | 2015-07-01 | 国家电网公司 | Intelligent optical fiber distribution device |
| CN106253978A (en) * | 2016-07-31 | 2016-12-21 | 孙文兵 | A kind of Fibre-optical Pilot Protection on-line fault diagnosis method |
| CN106549707A (en) * | 2016-10-21 | 2017-03-29 | 南京南瑞继保电气有限公司 | A kind of method of pilot protection multiplex channel fault location |
| CN107370537B (en) * | 2017-06-21 | 2019-10-25 | 积成软件有限公司 | A kind of detection method of Fibre-optical Pilot Protection |
| CN211579588U (en) * | 2020-02-11 | 2020-09-25 | 广东电网有限责任公司 | Circuit pilot direction protection switching channel detection device and system |
| CN215990801U (en) * | 2021-09-26 | 2022-03-08 | 华能潍坊风力发电有限公司 | Automatic monitoring and switching device for circuit optical fiber longitudinal protection channel |
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2021
- 2021-09-26 CN CN202122330631.8U patent/CN215990801U/en active Active
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2022
- 2022-07-27 WO PCT/CN2022/108134 patent/WO2023045546A1/en active Application Filing
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023045546A1 (en) * | 2021-09-26 | 2023-03-30 | 华能潍坊风力发电有限公司 | Automatic monitoring and switching device for line fiber pilot protection channel |
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| WO2023045546A1 (en) | 2023-03-30 |
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