CN215641951U - Optical fiber interface protection device and flexible direct valve control pulse distribution cabinet - Google Patents
Optical fiber interface protection device and flexible direct valve control pulse distribution cabinet Download PDFInfo
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- CN215641951U CN215641951U CN202121439122.2U CN202121439122U CN215641951U CN 215641951 U CN215641951 U CN 215641951U CN 202121439122 U CN202121439122 U CN 202121439122U CN 215641951 U CN215641951 U CN 215641951U
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- fiber interface
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Abstract
The utility model discloses an optical fiber interface protection device and a flexible direct valve control pulse distribution cabinet, wherein the optical fiber interface protection device comprises an optical fiber interface bottom plate, an LC optical fiber interface and a dustproof cap, wherein the optical fiber interface bottom plate is provided with a plurality of mounting holes along the length direction, and the LC optical fiber interface is mounted in the mounting holes; each LC optical fiber interface is provided with a dustproof cap; the optical fiber interface bottom plate is provided with a number. The optical fiber interface protection device saves time for valve control maintenance of the converter valve and simultaneously reliably protects the optical fiber.
Description
Technical Field
The utility model relates to the technical field of power transmission equipment, in particular to an optical fiber interface protection device and a flexible-straight valve-controlled pulse distribution cabinet.
Background
In the valve control system of the flexible direct current converter valve, a pulse distribution cabinet is used for receiving a control protection command issued by an upper-layer VCMI cabinet and feeding back voltage and fault state information of the converter valve to the upper-layer VCMI cabinet; and sending a control protection command to a lower layer power module controller PMC, and receiving the voltage and fault state information of a power module (a sub-module of the modular multilevel converter MMC).
With the continuous improvement of the transmission voltage grade and the capacity, the number of the sub-modules of the converter MMC and the number of the valve control link plates are increased. When a fault occurs in the pulse distribution cabinet and the board card needs to be replaced, the optical fiber connected to the fault board card needs to be detached first, the detached optical fibers can easily pollute an optical fiber interface without arrangement and protection, and a large amount of time is wasted for checking the optical fiber number when the optical fibers are recovered.
In the prior art, the detached optical fiber interface is protected by a dust cap, and the detached optical fiber cable is numbered by label paper or a label plate. The mode of adopting the dustproof cap to protect can waste a large amount of time when optic fibre quantity is numerous, and the dustproof cap is fixed by friction force moreover, and itself drops very easily. Checking the fiber number also consumes a lot of time when restoring the fiber using the conventional fiber number scheme.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the defects in the prior art, and provides an optical fiber interface protection device and a flexible straight valve control pulse distribution cabinet.
In order to achieve the above object, the present invention provides the following technical solutions.
An optical fiber interface protection device comprises an optical fiber interface bottom plate, an LC optical fiber interface and a dustproof cap, wherein the optical fiber interface bottom plate is provided with a plurality of mounting holes along the length direction, and the LC optical fiber interface is mounted in the mounting holes; the end part of each LC optical fiber interface is provided with a dustproof cap; the optical fiber interface bottom plate is provided with a number.
Optionally, the mounting hole penetrates through the optical fiber interface bottom plate along the width direction of the optical fiber interface bottom plate, and both ends of the LC optical fiber interface penetrate through both sides of the mounting hole.
Optionally, the LC optical fiber interface is an LC coupler.
Optionally, the LC optical fiber interface is fixed to the optical fiber interface bottom plate by a screw.
Optionally, the screw is a nylon rivet.
Optionally, the optical fiber interface bottom plate is an acrylic plate.
Optionally, the LC fiber optic interface backplane end has a number.
A flexible direct valve control pulse distribution cabinet comprises the optical fiber interface protection device.
Compared with the prior art, the utility model has the following beneficial effects:
aiming at the problems that in a valve control system of a flexible direct-current converter valve, the number of board cards and optical fibers of a pulse distributor case is huge, the workload is huge and time is consumed during installation or maintenance, and the optical fibers are easily damaged according to the traditional method, the utility model provides the LC optical fiber interface protection device of the valve control pulse distributor case of the flexible direct-current converter valve.
Drawings
The drawings described herein are for illustration purposes only and are not intended to limit the scope of the present disclosure in any way. In addition, the shapes, the proportional sizes, and the like of the respective members in the drawings are merely schematic for facilitating the understanding of the present invention, and do not specifically limit the shapes, the proportional sizes, and the like of the respective members of the present invention. Those skilled in the art, having the benefit of the teachings of this invention, may choose from the various possible shapes and proportional sizes to implement the utility model as a matter of case. In the drawings:
fig. 1 is a schematic diagram of an LC optical fiber protection device for a valve-controlled pulse distribution box of a flexible direct current converter valve according to the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1;
FIG. 3 is a schematic view from another perspective of FIG. 2;
in the figure, 1-optical fiber interface bottom plate, 2-dustproof cap, 3-nylon rivet and 4-LC optical fiber interface.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the drawings in the embodiment of the present invention, and it is obvious that the described embodiment is only a part of the embodiment of the present invention, and not all embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, shall fall within the scope of protection of the present invention.
It will be understood that when an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a single embodiment.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
The utility model discloses an LC optical fiber interface protection device of a valve-controlled pulse distribution cabinet of a flexible and straight converter valve, which is simple in structure and aims to protect LC optical fibers when a board card of the pulse distribution cabinet is replaced and improve the accuracy and efficiency of optical fiber recovery.
As shown in fig. 1, the optical fiber interface protection device for a flexible-straight valve-controlled pulse distribution chassis of the present invention includes an optical fiber interface bottom plate 1, an LC optical fiber interface 4 and a dust cap 2, wherein the optical fiber interface bottom plate 1 is provided with a plurality of mounting holes along a length direction, and the LC optical fiber interface 4 is mounted in the mounting holes; each LC optical fiber interface 4 is provided with a dustproof cap 2; the fiber optic interface backplane 1 ends with numbering.
The mounting hole is followed 1 width direction of fiber interface bottom plate sets up, and the mounting hole outside is all worn out at the both ends of LC fiber interface 4. The LC optical fiber interface 4 is fixed with the optical fiber interface bottom plate 1 through screws.
The LC optical fiber is protected when the board card of the pulse distribution cabinet is replaced, and meanwhile, the accuracy and efficiency of the optical fiber during recovery can be improved. To improve the maintenance efficiency during the down time of the converter station.
The utility model also provides a flexible straight valve control pulse distribution cabinet which comprises the optical fiber interface protection device. Other elements are the same as those of the prior art.
The present invention will be described in detail below with reference to specific embodiments and the accompanying drawings.
Examples
As shown in fig. 1 to fig. 3, the utility model discloses an LC fiber protection device for a valve-controlled pulse distribution enclosure of a flexible direct current converter valve, which comprises an optical fiber interface base plate 1, an LC fiber interface 4 and a dust cap 2. The optical fiber interface base plate 1 is an acrylic plate, 12 square holes are reserved for installing LC optical fiber interfaces 4, the LC optical fiber interfaces 4 are LC couplers, and the LC optical fiber interfaces 4 are provided with dust caps 2.
According to the utility model, the LC optical fiber interfaces 4 are fixed on the bottom plate in order, the dustproof cap 2 is arranged at the position of each LC optical fiber interface 4, so that the LC optical fiber interfaces can be protected from dust when not in use, and optical fibers which are clamped and removed are connected in sequence when the optical fibers are removed.
As a further description of the above technical solution:
the size of the optical fiber interface base plate 1 is 15mm by 300mm by 1.5mm, and the size of the mounting hole is 9mm by 13 mm.
As a further description of the above technical solution:
As a further description of the above technical solution:
the optical fiber interface bottom plate 1 is marked with a number for distinguishing a plurality of board cards. For ease of identification, the numbering is provided at the end of the base plate.
It should be noted that, in the description of the present invention, the terms "first", "second", and the like are used for descriptive purposes only and for distinguishing similar objects, and no precedence between the two is considered as indicating or implying relative importance. In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.
It is to be understood that the above description is intended to be illustrative, and not restrictive. Many embodiments and many applications other than the examples provided would be apparent to those of skill in the art upon reading the above description. The scope of the present teachings should, therefore, be determined not with reference to the above description, but should instead be determined with reference to the appended claims, along with the full scope of equivalents to which such claims are entitled. The disclosures of all articles and references, including patent applications and publications, are hereby incorporated by reference for all purposes. The omission in the foregoing claims of any aspect of the subject matter that is disclosed herein is not intended to forego such subject matter, nor should the applicants be construed as having contemplated such subject matter as being part of the disclosed subject matter.
Claims (8)
1. An optical fiber interface protection device is characterized by comprising an optical fiber interface bottom plate, an LC optical fiber interface and a dustproof cap, wherein the optical fiber interface bottom plate is provided with a plurality of mounting holes along the length direction, and the LC optical fiber interface is mounted in the mounting holes; the end part of each LC optical fiber interface is provided with a dustproof cap; the optical fiber interface bottom plate is provided with a number.
2. The device of claim 1, wherein the mounting hole penetrates the fiber optic interface substrate along a width direction of the fiber optic interface substrate, and both ends of the LC fiber optic interface penetrate both sides of the mounting hole.
3. A fiber optic interface protection device according to claim 1, wherein the LC fiber optic interface is an LC coupler.
4. The device of claim 1, wherein the LC fiber optic interface is secured to the fiber optic interface backplane by screws.
5. An optical fiber interface protection device as claimed in claim 4, wherein said screws are nylon rivets.
6. The device of claim 1, wherein the fiber optic interface substrate is an acrylic substrate.
7. A fiber optic interface protection device according to claim 1, wherein the LC fiber optic interface backplane end has a numerical designation.
8. A flexible direct valve controlled pulse distributor cabinet comprising the fiber interface protection device of any one of claims 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121439122.2U CN215641951U (en) | 2021-06-25 | 2021-06-25 | Optical fiber interface protection device and flexible direct valve control pulse distribution cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121439122.2U CN215641951U (en) | 2021-06-25 | 2021-06-25 | Optical fiber interface protection device and flexible direct valve control pulse distribution cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215641951U true CN215641951U (en) | 2022-01-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121439122.2U Active CN215641951U (en) | 2021-06-25 | 2021-06-25 | Optical fiber interface protection device and flexible direct valve control pulse distribution cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215641951U (en) |
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2021
- 2021-06-25 CN CN202121439122.2U patent/CN215641951U/en active Active
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