CN210894574U - Protection system suitable for long air discharge high-speed optical observation - Google Patents
Protection system suitable for long air discharge high-speed optical observation Download PDFInfo
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- CN210894574U CN210894574U CN201921089748.8U CN201921089748U CN210894574U CN 210894574 U CN210894574 U CN 210894574U CN 201921089748 U CN201921089748 U CN 201921089748U CN 210894574 U CN210894574 U CN 210894574U
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Abstract
The utility model discloses a protection system suitable for long air discharge high-speed optics is surveyd, include: the device comprises an electro-optical converter used for converting a trigger signal into an optical signal, an electro-optical converter connected with the electro-optical converter, a high-speed camera used for receiving an electric signal converted by the electro-optical converter, a lightning arrester connected with the high-speed camera, a network signal-optical signal converter used for converting a network signal sent by the lightning arrester into an optical signal, an optical signal-network signal converter connected with the network signal-optical signal converter, and a processor connected with the optical signal-network signal converter. The utility model discloses a protection system suitable for long air high-speed optics of discharging is surveyd can effectively carry out photoelectric isolation respectively to triggering and network signal transmission of high-speed photographic appearance, guarantees equipment and testing personnel's safety.
Description
Technical Field
The utility model relates to a protection system technical field especially relates to a protection system suitable for long air discharge high-speed optics is surveyd.
Background
The air gap is the main external insulation form of the power grid, and the selection of the insulation distance directly influences the safety performance and the engineering cost of the ultra-high voltage transmission line. In order to improve the technical economy of the transmission line, the discharge characteristics of the air gap, especially the development process of the long air gap discharge, need to be grasped comprehensively. Therefore, researchers often use expensive high-speed cameras to photograph the discharge process. In order to synchronize with the discharge process, the high-speed camera needs to input a trigger signal through a BNC interface; in order to ensure the quality of the image, a high-speed camera needs to be as close to the discharge channel as possible. The long air gap discharge belongs to a strong electromagnetic transient process, and the electromagnetic interference generated when the gap is broken down can generate higher overvoltage on the coaxial cable and the network cable through the coupling action, so that the trigger module and the network port of the high-speed camera are easily damaged. Therefore, when a high-speed camera is used to observe the discharge process of the long air gap, certain protection measures need to be taken.
In the prior art, when a high-speed camera is used to observe a long air gap discharge process, in order to protect the high-speed camera, the following methods are mostly adopted at present: the triggering module mostly adopts photoelectric isolation, and after a triggering optical signal is converted into an electric signal at the high-speed camera side, a short coaxial cable is adopted to access the high-speed camera; the computer is directly connected with the high-speed camera through a short network cable, and then a tester is positioned at the side of the high-speed camera to operate.
The inventor finds that the following technical problems exist in the prior art in the process of implementing the invention:
in the process of observing the discharge of the long air gap by adopting the high-speed camera, air breakdown can generate X rays which can influence workers in a test field, and the breakdown of the long air gap can generate huge sound, so that the conventional method belongs to the safety of replacing the high-speed camera by sacrificing the health of the testers.
Disclosure of Invention
The embodiment of the utility model provides a protection system suitable for long air discharge high-speed optics is surveyd can effectively carry out photoelectric isolation respectively to triggering and network signal transmission of high-speed photographic appearance, guarantees equipment and testing personnel's safety.
In order to achieve the above object, an embodiment of the present invention provides a protection system suitable for long air discharge high-speed optical observation, including: the device comprises an electro-optical converter used for converting a trigger signal into an optical signal, an optical-electrical converter connected with the electro-optical converter, a high-speed camera used for receiving an electrical signal converted by the electro-optical converter, a lightning arrester connected with the high-speed camera, a network signal-optical signal converter used for converting a network signal sent by the lightning arrester into an optical signal, an optical signal-network signal converter connected with the network signal-optical signal converter, and a processor connected with the optical signal-network signal converter;
the processor is mounted on a computing device terminal, and the computing device terminal stores a computing program executed by the processor and used for receiving the network signal converted by the optical signal-network signal converter.
As an improvement of the scheme, the socket with surge protection is also included;
and the high-speed camera is connected with a power supply through the socket with surge protection.
As an improvement of the scheme, the lightning protection device is a single-network lightning protection device.
As an improvement of the above scheme, the electro-optical converter, the optical signal-network signal converter and the processor are arranged in a control room; the photoelectric converter, the lightning protection device, the high-speed camera and the network signal-optical signal converter are arranged in a test field.
The embodiment of the utility model provides a pair of protection system suitable for long air discharge high-speed optics is surveyd compares with prior art, has following beneficial effect:
through electro-optical conversion and network signal-optical signal conversion, the triggering of the high-speed camera and the network signal transmission are respectively and effectively subjected to photoelectric isolation, so that the remote control of the high-speed camera is realized, and the damage to the health of testers in the observation process is prevented; the high-speed camera is connected with a power supply through a socket with surge protection, so that overvoltage coupled with a power line is prevented from damaging the high-speed camera, and the safety of equipment and testing personnel is further ensured.
Drawings
Fig. 1 is a schematic structural diagram of a protection system suitable for long air discharge high-speed optical observation according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1, it is a schematic structural diagram of a protection system suitable for long air discharge high-speed optical observation provided in the embodiment of the present invention, including: an electro-optical converter 10 for converting a trigger signal into an optical signal, an electro-optical converter 20 connected to the electro-optical converter 10, a high-speed camera 30 for receiving an electrical signal converted by the electro-optical converter 20, a lightning arrester 40 connected to the high-speed camera 30, a network signal-to-optical signal converter 50 for converting a network signal emitted by the lightning arrester 40 into an optical signal, an optical signal-to-network signal converter 60 connected to the network signal-to-optical signal converter 50, and a processor 70 connected to the optical signal-to-network signal converter 60;
the processor 70 is mounted on a computing device terminal in which a computing program for receiving the network signal converted by the optical signal-network signal converter is stored, the computing program being executed by the processor 70.
Furthermore, the socket with surge protection is also included; the high-speed camera 30 is connected to a power supply through the socket with surge protection.
Further, the lightning protector 40 is a single-network lightning protector.
Further, the electrical-to-optical converter 10, the optical signal-to-network signal converter 60 and the processor 70 are disposed in a control room; the photoelectric converter 20, the lightning protector 40, the high-speed camera 30 and the network signal-to-optical signal converter 50 are disposed in a test field.
In a specific embodiment, the utility model provides a pair of protection system suitable for long air discharge high speed optics is surveyd mainly protects high-speed camera from three aspects:
(1) protection of a triggering module: the trigger signal of the control room is converted into an optical signal, the optical signal is transmitted to a test field through an optical fiber, then the optical signal is converted into an electric signal, and the electric signal is accessed into the high-speed camera through a coaxial cable which is as short as possible.
(2) Data transmission protection: the network signal output by the high-speed camera is connected into the single-network lightning protection device through a shielding network cable which is as short as possible, then is converted into an optical signal through the network signal-optical signal converter, is transmitted to the control room through the optical fiber, and then is connected with the processor through the optical signal-network signal converter, so that the remote control of the high-speed camera can be realized. Preferably, the converter is a gigabit device because the high-speed camera takes a large number of G pictures at a time.
(3) Power supply protection: the mains supply supplies power to the high-speed camera through the socket with the anti-surge device, and overvoltage coupled by the power line is prevented from damaging the high-speed camera.
The embodiment of the utility model provides a pair of protection system suitable for long air discharge high-speed optics is surveyd compares with prior art, has following beneficial effect:
through electro-optical conversion and network signal-optical signal conversion, the triggering of the high-speed camera and the network signal transmission are respectively and effectively subjected to photoelectric isolation, so that the remote control of the high-speed camera is realized, and the damage to the health of testers in the observation process is prevented; the high-speed camera is connected with a power supply through a socket with surge protection, so that overvoltage coupled with a power line is prevented from damaging the high-speed camera, and the safety of equipment and testing personnel is further ensured.
The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations are also considered as the protection scope of the present invention.
Claims (4)
1. A protection system adapted for long air discharge high speed optical observation, comprising: the device comprises an electro-optical converter used for converting a trigger signal into an optical signal, an optical-electrical converter connected with the electro-optical converter, a high-speed camera used for receiving an electrical signal converted by the electro-optical converter, a lightning arrester connected with the high-speed camera, a network signal-optical signal converter used for converting a network signal sent by the lightning arrester into an optical signal, an optical signal-network signal converter connected with the network signal-optical signal converter, and a processor connected with the optical signal-network signal converter;
the processor is mounted on a computing device terminal, and the computing device terminal stores a computing program executed by the processor and used for receiving the network signal converted by the optical signal-network signal converter.
2. The protection system for long air discharge high speed optical observations as claimed in claim 1 further comprising a socket with surge protection;
and the high-speed camera is connected with a power supply through the socket with surge protection.
3. The protection system for long air discharge high speed optical observations as claimed in claim 1, wherein the lightning protection device is a single network lightning protection device.
4. The protection system for long air discharge high-speed optical observation according to claim 1, wherein the electro-optical converter, the optical signal-to-network signal converter and the processor are disposed in a control room; the photoelectric converter, the lightning protection device, the high-speed camera and the network signal-optical signal converter are arranged in a test field.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921089748.8U CN210894574U (en) | 2019-07-11 | 2019-07-11 | Protection system suitable for long air discharge high-speed optical observation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921089748.8U CN210894574U (en) | 2019-07-11 | 2019-07-11 | Protection system suitable for long air discharge high-speed optical observation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210894574U true CN210894574U (en) | 2020-06-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921089748.8U Active CN210894574U (en) | 2019-07-11 | 2019-07-11 | Protection system suitable for long air discharge high-speed optical observation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210894574U (en) |
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2019
- 2019-07-11 CN CN201921089748.8U patent/CN210894574U/en active Active
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