CN213693710U - Lightning protection communication device - Google Patents
Lightning protection communication device Download PDFInfo
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- CN213693710U CN213693710U CN202022787781.7U CN202022787781U CN213693710U CN 213693710 U CN213693710 U CN 213693710U CN 202022787781 U CN202022787781 U CN 202022787781U CN 213693710 U CN213693710 U CN 213693710U
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- photoelectric conversion
- conversion module
- cabinet
- module
- lightning protection
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Abstract
The utility model provides a lightning protection communication device, it includes isolator cabinet, first connecting wire, first photoelectric conversion module, multimode optic fibre, second photoelectric conversion module and terminal cabinet, first connecting wire one end with the isolator cabinet output is connected, the other end with the input of first photoelectric conversion module is connected, multimode optic fibre one end with first photoelectric conversion module output is connected, the other end with the input of second photoelectric conversion module is connected, the output of second photoelectric conversion module with the terminal cabinet electricity is connected. The utility model discloses integrated photoelectric conversion module, changed the control interlocking signal between isolator cabinet and the indoor terminal cabinet into through high-rate optical fiber transmission by signal transmission, can be with the damage of overvoltage or overcurrent, keep apart in isolator cabinet's scope, overvoltage or overcurrent can't transmit indoor other direct current switch cabinets through optic fibre, and fundamentally has reduced the damage of thunderbolt.
Description
Technical Field
The utility model relates to a circuit power supply technical field, concretely relates to lightning protection communication device.
Background
In the existing rail transit direct current system, an internet isolating switch cabinet and a cross-area isolating switch cabinet which are used for controlling direct current to be fed out to a contact net or a contact rail are generally installed in the protection range of two sides of a subway platform far away from a distribution room, a parking lot or a battle field of a vehicle section, and the internet isolating switch cabinet and a contact isolating switch cabinet are installed in the outdoor environment far away from the platform.
Corresponding cable connections are arranged between the isolation switch cabinet and the terminal cabinet in the power distribution room and are used for the functions of electrical control, signal uploading and control interlocking; once the condition that the isolating switch cabinet is struck by lightning or is hit by discharge occurs, the overvoltage can extend the cable connection while the isolating switch cabinet is burnt, and then other direct current switch cabinets including the terminal cabinet in the distribution room are burnt, so that huge damage is caused.
SUMMERY OF THE UTILITY MODEL
The utility model provides a lightning protection communication device to solve among the prior art technical problem of isolator cabinet and terminal cabinet lightning protection isolation difference.
The utility model provides a scheme as follows of above-mentioned technical problem:
a lightning protection communication device, comprising:
the photoelectric conversion module comprises an isolation switch cabinet, a first connecting wire, a first photoelectric conversion module, a multimode optical fiber, a second photoelectric conversion module and a terminal cabinet, wherein one end of the first connecting wire is connected with the output end of the isolation switch cabinet, the other end of the first connecting wire is connected with the input end of the first photoelectric conversion module, one end of the multimode optical fiber is connected with the output end of the first photoelectric conversion module, the other end of the multimode optical fiber is connected with the input end of the second photoelectric conversion module, and the output end of the second photoelectric conversion module is electrically connected with the terminal cabinet.
Furthermore, the isolation switch cabinet comprises an operation control module, an input/output processing module and a communication module, wherein the input/output processing module and the communication module are electrically connected with the operation control module, and one end of the first connecting wire is connected with the communication module.
Further, the first connection line is an Rj45 network line.
Furthermore, the model of the first photoelectric conversion module and the second photoelectric conversion module is SFP-10 GB-T-PLUS.
The utility model provides a lightning protection communication device, the photoelectric conversion module has been integrateed, change the control interlocking signal between isolator cabinet and the indoor terminal cabinet into through high speed optical fiber transmission by signal transmission, because the photoelectric isolation effect of optic fibre connection, can be with the damage of overvoltage or overcurrent, keep apart the scope at isolator cabinet, overvoltage or overcurrent can't transmit indoor other direct current switch cabinets through optic fibre, fundamentally has reduced the damage scope of thunderbolt, the effect of taking shelter from thunder has been played.
The above description is only an overview of the technical solution of the present invention, and in order to make the technical means of the present invention clearer and can be implemented according to the content of the description, the following detailed description is made with reference to the preferred embodiments of the present invention and accompanying drawings. The detailed description of the present invention is given by the following examples and the accompanying drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without undue limitation to the invention. In the drawings:
fig. 1 is a schematic structural diagram of the lightning protection communication device provided by the present invention.
Detailed Description
The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention. The invention is described in more detail in the following paragraphs by way of example with reference to the accompanying drawings. The advantages and features of the present invention will become more fully apparent from the following description and appended claims. It should be noted that the drawings are in simplified form and are not to precise scale, and are provided for convenience and clarity in order to facilitate the description of the embodiments of the present invention.
It will be understood that when an element is referred to as being "mounted on" another element, it can be directly mounted on the other element or intervening elements may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. When an element is referred to as being "secured to" another element, it can be directly secured to the other element or intervening elements may also be present.
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 invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "or/and" includes any and all combinations of one or more of the associated listed items.
As shown in fig. 1, for the first lightning protection communication device provided by the embodiment of the present invention, it includes: the photoelectric conversion system comprises an isolation switch cabinet 1, a first connecting wire 2, a first photoelectric conversion module 3, a multimode optical fiber 4, a second photoelectric conversion module 5 and a terminal cabinet 6, wherein one end of the first connecting wire 2 is connected with the output end of the isolation switch cabinet 1, the other end of the first connecting wire is connected with the input end of the first photoelectric conversion module 3, one end of the multimode optical fiber 4 is connected with the output end of the first photoelectric conversion module 3, the other end of the multimode optical fiber is connected with the input end of the second photoelectric conversion module 5, and the output end of the second photoelectric conversion module 5 is electrically connected with the terminal cabinet 6.
The isolation switch cabinet 1 comprises an operation control module 11, an input/output processing module 12 and a communication module 13, wherein the input/output processing module 12 and the communication module 13 are electrically connected with the operation control module 11, and one end of the first connecting wire 2 is connected with the communication module 13.
The first connecting line 2 is an Rj45 network line.
The first photoelectric conversion module 3 and the second photoelectric conversion module 5 are SFP-10GB-T-PLUS in model number.
The device integrates a photoelectric conversion module, and changes the control interlocking signal between the isolating switch cabinet 1 and the indoor terminal cabinet 6 from electric signal transmission into high-speed optical fiber transmission, so that the problems of slow signal transmission, poor anti-interference capability, poor safety isolation and more misoperation between the isolating switch cabinet 1 and the terminal cabinet 6 are solved. The control interlocking signal between the isolation switch cabinet 1 and the indoor terminal cabinet 6 is changed from electric signal transmission to high-speed optical fiber transmission, so that the speed is improved qualitatively, the external electromagnetic interference can be resisted, and the malfunction is solved.
The lightning protection problem of outdoor isolation switch cabinet has been solved in optical fiber transmission, makes whole power supply system possess segmentation lightning protection isolation function. Under the conditions of sudden lightning strike and the condition of discharging, the damage of overvoltage or overcurrent can be isolated within the range of an isolating switch cabinet due to the photoelectric isolation effect of optical fiber connection, and the overvoltage or overcurrent cannot be transmitted to other indoor direct current switch cabinets through the optical fiber, so that the damage range of the lightning strike is fundamentally reduced, and the lightning protection effect is achieved.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way; the present invention can be smoothly implemented by those skilled in the art according to the drawings and the above description; however, those skilled in the art should understand that changes, modifications and variations made by the above-described technology can be made without departing from the scope of the present invention, and all such changes, modifications and variations are equivalent embodiments of the present invention; meanwhile, any changes, modifications, evolutions, etc. of the above embodiments, which are equivalent to the actual techniques of the present invention, still belong to the protection scope of the technical solution of the present invention.
Claims (4)
1. A lightning protection communication device, comprising: the photoelectric conversion module comprises an isolation switch cabinet, a first connecting wire, a first photoelectric conversion module, a multimode optical fiber, a second photoelectric conversion module and a terminal cabinet, wherein one end of the first connecting wire is connected with the output end of the isolation switch cabinet, the other end of the first connecting wire is connected with the input end of the first photoelectric conversion module, one end of the multimode optical fiber is connected with the output end of the first photoelectric conversion module, the other end of the multimode optical fiber is connected with the input end of the second photoelectric conversion module, and the output end of the second photoelectric conversion module is electrically connected with the terminal cabinet.
2. The lightning protection communication device according to claim 1, wherein the isolation switch cabinet comprises an operation control module, an input/output processing module and a communication module, the input/output processing module and the communication module are electrically connected to the operation control module, and one end of the first connection line is connected to the communication module.
3. The lightning protection communication device according to claim 1 or 2, wherein the first connection line is an Rj45 network line.
4. The lightning protection communication device according to claim 1, wherein the first and second photoelectric conversion modules are SFP-10GB-T-PLUS in model.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022787781.7U CN213693710U (en) | 2020-11-26 | 2020-11-26 | Lightning protection communication device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022787781.7U CN213693710U (en) | 2020-11-26 | 2020-11-26 | Lightning protection communication device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213693710U true CN213693710U (en) | 2021-07-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022787781.7U Active CN213693710U (en) | 2020-11-26 | 2020-11-26 | Lightning protection communication device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213693710U (en) |
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2020
- 2020-11-26 CN CN202022787781.7U patent/CN213693710U/en active Active
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