CN218549921U - Communication optical cable on-line monitoring device - Google Patents
Communication optical cable on-line monitoring device Download PDFInfo
- Publication number
- CN218549921U CN218549921U CN202223020006.4U CN202223020006U CN218549921U CN 218549921 U CN218549921 U CN 218549921U CN 202223020006 U CN202223020006 U CN 202223020006U CN 218549921 U CN218549921 U CN 218549921U
- Authority
- CN
- China
- Prior art keywords
- optical
- fiber
- power
- switch
- time domain
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Optical Communication System (AREA)
Abstract
The utility model relates to a communication optical cable on-line monitoring device, it includes the device shell, installs optical time domain reflectometer, fiber grating wavelength demodulation appearance, optical switch, the fine box of dish, wavelength division multiplexer and power module, external sensor in the device shell. This device passes through fiber grating wavelength demodulation appearance, and wavelength division multiplexer and sensor collocation can monitor the continuation of light signal in 16 optic fibres simultaneously, and when light signal lost, OTRD (optical time domain reflectometer) and photoswitch can carry out state monitoring to the optic fibre that light signal lost in the twinkling of an eye to feedback status information realizes the real-time supervision to the cable state, and the monitoring is convenient and the input cost is lower.
Description
Technical Field
The utility model belongs to the technical field of the optical cable monitoring and specifically relates to a communication optical cable monitoring online device suitable for electric power industry is related to.
Background
At present, an electric power communication optical cable network is huge and complex, the development speed of the optical cable network greatly exceeds the development of maintenance force, the electric power communication optical cable bears a plurality of very important services such as electric power monitoring, dispatching, relay protection, information communication and the like, once the optical cable fails, electric power communication is affected, and therefore the safe operation of a power grid is threatened. Therefore, a device capable of effectively monitoring the state of the optical cable is very important for the operation and maintenance of the power communication optical cable.
At present, the optical cable safety monitoring device based on optical power detection is mainly applicable to the power industry, and the device can be used for monitoring a service optical fiber and a redundant optical fiber, judging the running state of the optical cable according to the optical power loss data of the optical fiber and judging the on-off condition of the optical cable. The device has inherent disadvantages because it is capable of monitoring both the service fiber and the redundant fiber, which is inevitable. Firstly, monitoring of the service optical fiber avoids introduction of monitoring light through the optical coupler, but the optical coupler splits the service signal to bring extra power loss to the service signal and bring risks to the service itself. Secondly, the optical fiber to be monitored needs to be provided with an optical coupler and an optical power meter in front of the optical transceivers at the two ends, a light source is additionally arranged for redundant spare optical fiber, meanwhile, the scheme needs to modify the optical transceivers at the two ends of the optical cable, and the equipment cost and the modification cost are high.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a communication optical cable on-line monitoring device.
In order to realize the purpose, the utility model discloses a technical scheme as follows:
an on-line monitoring device for a communication optical cable comprises a device shell, an optical time domain reflectometer, a fiber bragg grating wavelength demodulator, an optical switch, a fiber coiling box, a wavelength division multiplexer, a power supply module and an external sensor, wherein the optical time domain reflectometer, the fiber bragg grating wavelength demodulator, the optical switch, the fiber coiling box, the wavelength division multiplexer and the power supply module are arranged in the device shell;
the sensor is independent from the device shell, is arranged at the tail end of the measured optical fiber when in use, and is matched with the fiber bragg grating wavelength demodulator to monitor an optical signal;
one end of the fiber grating wavelength demodulator is connected with a wavelength division multiplexer positioned in the fiber winding box through optical fibers to realize wavelength division multiplexing, one end of the fiber grating wavelength demodulator is connected with the power supply module through a power line to realize power supply of the fiber grating wavelength demodulator, and the other end of the fiber grating wavelength demodulator is connected with a network port connector of the device shell through a twisted pair;
one end of the optical time domain reflector is connected with the optical switch through an optical fiber to realize monitoring of the optical fiber, one end of the optical time domain reflector is connected with the power module through a power line to realize power taking, and the other end of the optical time domain reflector is connected with a net port connector of the device shell through a twisted pair;
the optical fiber box is used for optical fiber coiling of an optical time domain reflectometer, an optical fiber grating wavelength demodulator and an optical switch side, and 8 wavelength division multiplexers are arranged in each layer.
One end of the wavelength division multiplexer is connected with the optical switch and the fiber bragg grating wavelength demodulator through optical fibers respectively, and the other end of the wavelength division multiplexer is connected with an optical fiber connector on the device shell through optical fibers.
One end of the power supply module is respectively connected with the optical time domain reflectometer, the fiber bragg grating wavelength demodulator and the optical switch through power lines to supply power to each component; the other end is connected to a power switch embedded in the device shell, and power is taken from the outside.
Furthermore, 16 optical fiber connectors are arranged on the surface of the device shell in 4 rows in an embedded mode, one end of the inner portion of the optical fiber connectors is connected to the fiber coiling box, and the outer portion of the optical fiber connectors is used for monitoring the external air effect and connecting the inner optical fiber with the external monitored optical fiber.
Further, the number of the net port connectors is four.
Furthermore, the power switch is an AC power switch, is embedded in the device shell and provides an AC power taking port.
Further, the sensor is a fiber bragg grating sensor, and the sensor is practically armored and packaged by a steel pipe, so that the safety of the internal fiber bragg grating is guaranteed.
Furthermore, the optical fiber connector uses an FC flange plate for connecting the detected optical fiber, and the network port connector is suitable for an RJ45 network port to realize the communication between the device and an external server; the power switch joint uses an AC power switch to realize that the device takes 220V alternating current from the outside.
Furthermore, the optical switch is a mechanical optical switch, which can realize OTDR multiplexing, and the advantage of high switching speed of the optical switch channel is utilized to achieve the effect of monitoring a plurality of optical cables by combining the space division multiplexing of OTDR.
The utility model has the advantages that: the on-line monitoring device for the communication optical cable is composed of an OTDR (optical time domain reflectometer), a fiber grating wavelength demodulator, a mechanical optical switch, a fiber coiling box, a wavelength division multiplexer, a power supply module and a customized device outer box, wherein the monitoring device main body part is formed by matching a sensor. Through fiber grating wavelength demodulation appearance, wavelength division multiplexer and sensor collocation can monitor the existence of light signal among 16 optic fibre simultaneously, and when light signal lost, OTRD (optical time domain reflectometer) and optical switch can carry out state monitoring to the optic fibre that light signal lost in the twinkling of an eye to feedback status information realizes the real-time supervision to the cable state, and monitoring is convenient and the input cost is lower.
Drawings
FIG. 1 is a schematic diagram of the present invention;
FIG. 2 is a schematic diagram of the effect of the present invention;
FIG. 3 is a schematic view of the structure of the housing of the device of the present invention;
fig. 4 is a schematic structural diagram of the optical time domain reflectometer of the present invention;
fig. 5 is a schematic structural diagram of the power module of the present invention;
fig. 6 is a schematic structural diagram of the fiber grating wavelength demodulator of the present invention;
fig. 7 is a schematic structural diagram of the optical switch of the present invention.
Detailed Description
As shown in fig. 1 to 7, an on-line monitoring device for a communication optical cable includes a device housing 1,1 OTRD (optical time domain reflectometer 2), 1 power module 3, 2 fiber bragg grating wavelength demodulators 4, 1 fiber coiling box (two layers), 1 optical switch 5, 16 optical fiber connectors, 1 power switch connector, and 4 network port connectors; the sensor (independent from the device) is connected with the tail end of the measured optical fiber and is matched with the fiber grating wavelength demodulator 4 to monitor the optical signal; one end of each of 2 fiber grating wavelength demodulators 4 is connected with a wavelength division multiplexer positioned in the fiber coiling box through 8 tail fibers to realize wavelength division multiplexing, one end of each fiber grating wavelength demodulator 4 is connected with the power module 3 through 1 power line to realize power supply of the fiber grating wavelength demodulator 4, and the other end of each fiber grating wavelength demodulator is connected with a network port connector of the device shell 1 through 1 twisted pair; one end of the OTDR is connected with an optical switch through 1 optical fiber to realize monitoring of the optical fiber (when an optical signal between a fiber grating wavelength demodulator and a sensor is interrupted by a monitored optical fiber, the OTDR starts to detect the state of the optical fiber), one end of the OTDR is connected with a power module 3 through 1 power line to realize power getting of the OTDR, and the other end of the OTDR is connected with a network interface connector of a device shell through 1 twisted pair; the fiber coiling and wavelength division multiplexer assembly is carried out in the fiber coiling box, one end of the fiber coiling box is respectively connected with the optical switch through 16 optical fibers, one end of the fiber coiling box is connected with the fiber bragg grating wavelength demodulator (an upper layer and a lower layer which are equally divided) through 16 optical fibers, and the other end of the fiber coiling box is connected with 16 optical fiber connectors (an upper layer and a lower layer which are equally divided) on the shell of the fiber connection device through 16 optical fibers; 16 wavelength division multiplexers are arranged on the upper layer and the lower layer (equal division) of the disc fiber box, and the effect that 1 demodulator optical fiber and 1 optical switch optical fiber are multiplexed into 1 outlet optical fiber is realized; one end of the optical switch is connected with the OTDR through 1 optical fiber to realize the time division multiplexing of the OTDR, one end of the optical switch is respectively connected with the wavelength division multiplexer in the disc fiber box through 16 optical fibers, and the other end of the optical switch is connected with the power module through 1 power line; one end of the power module is provided with 4 power lines which are respectively connected with the optical switch, the fiber bragg grating wavelength demodulator and the OTDR to supply power to each component, and the other end of the power module is provided with 1 power line which is connected with a power switch joint of the device shell; the number of the optical fiber connectors is 16, the optical fiber connectors are embedded in 4 rows and are arranged on the surface of the device shell, one end of the inside of the optical fiber connectors is connected to the optical fiber coiling box, and the outside of the optical fiber connectors is used for monitoring the idle operation and is used for connecting the internal optical fiber with the external monitored optical fiber; 4 network port connectors which are embedded in a row and are arranged on the surface of the device shell, one end of the inside of the device shell is connected with a fiber bragg grating wavelength demodulator, an OTDR (optical time domain reflectometer) and an optical switch by utilizing 4 twisted pairs, and the other end of the device shell is empty and is used for the communication between the components and a system server; the power switch is embedded in the surface of the device shell, the external end of the power switch is used for taking electricity from the outside through a power line, and the internal end of the power switch is connected with the power module through the power line to take electricity for the power module.
The utility model discloses before monitoring the optical cable, need assemble the device earlier. 4 RJ45 network ports of the device outer box are connected and communicated with a server system through a network cable; connecting an AC power switch with an alternating current 220kV power supply through a power line to supply power to the device; an FC joint of an FC-FC optical fiber jumper is connected to an FC flange plate on a device shell, and the other end of the FC-FC optical fiber jumper is connected with a flange plate of spare optical fibers of monitored optical cables (the maximum can be connected with 16 spare optical fibers, if each optical cable monitors only one spare optical fiber, 16 optical cables can be monitored simultaneously); inserting a sensor at the other end of the monitored optical fiber to realize the monitoring of the optical signal; the monitoring work of a plurality of communication optical cables can be carried out by starting the power switch starting equipment.
In summary, the on-line monitoring device for the communication optical cable is composed of an OTDR (optical time domain reflectometer), a fiber bragg grating wavelength demodulator, a mechanical optical switch, a fiber reel box, a wavelength division multiplexer, a power module and a customized device outer box, and is further configured with a sensor. Through fiber grating wavelength demodulation appearance, wavelength division multiplexer and sensor collocation can monitor the existence of light signal among 16 optic fibre simultaneously, and when light signal lost, OTRD (optical time domain reflectometer) and optical switch can carry out state monitoring to the optic fibre that light signal lost in the twinkling of an eye to feedback status information realizes the real-time supervision to the cable state, and monitoring is convenient and the input cost is lower.
The above, only be the embodiment of the preferred of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, which are designed to be replaced or changed equally, all should be covered within the protection scope of the present invention.
Claims (8)
1. An on-line monitoring device for a communication optical cable is characterized by comprising a device shell, an optical time domain reflectometer, a fiber bragg grating wavelength demodulator, an optical switch, a fiber coiling box, a wavelength division multiplexer, a power module and an external sensor, wherein the optical time domain reflectometer, the fiber bragg grating wavelength demodulator, the optical switch, the fiber coiling box, the wavelength division multiplexer and the power module are arranged in the device shell;
the sensor is independent from the device shell, is arranged at the tail end of the measured optical fiber when in use, and is matched with the fiber bragg grating wavelength demodulator to monitor an optical signal;
one end of the fiber grating wavelength demodulator is connected with a wavelength division multiplexer positioned in the fiber coiling box through an optical fiber to realize wavelength division multiplexing, one end of the fiber grating wavelength demodulator is connected with the power supply module through a power line to realize power supply of the fiber grating wavelength demodulator, and the other end of the fiber grating wavelength demodulator is connected with a network port connector of a device shell through a twisted pair;
one end of the optical time domain reflector is connected with the optical switch through an optical fiber to realize monitoring of the optical fiber, one end of the optical time domain reflector is connected with the power module through a power line to realize power taking, and the other end of the optical time domain reflector is connected with a net port connector of the device shell through a twisted pair;
the fiber coiling box is used for optical fiber coiling of an optical time domain reflectometer, an optical fiber grating wavelength demodulator and an optical switch side, and 8 wavelength division multiplexers are arranged in each layer;
one end of the wavelength division multiplexer is respectively connected with the optical switch and the fiber bragg grating wavelength demodulator through optical fibers, and the other end of the wavelength division multiplexer is connected with an optical fiber connector on the device shell through optical fibers;
one end of the power supply module is respectively connected with the optical time domain reflectometer, the fiber bragg grating wavelength demodulator and the optical switch through power lines to supply power to each component; the other end is connected to a power switch embedded in the device shell, and power is taken from the outside.
2. The on-line monitoring device for communication optical cable of claim 1, wherein the optical fiber connectors are 16, and are embedded in 4 rows and installed on the surface of the device shell, one end of the inner part of the optical fiber connectors is connected to the fiber coiling box, and the outer part of the optical fiber connectors is used for monitoring, so that the inner optical fiber is connected with the outer monitored optical fiber.
3. An in-line monitoring device for communication optical cable according to claim 1, wherein the number of the net-mouth joints is four.
4. An in-line monitoring device for communication optical cable as claimed in claim 1, wherein the power switch is an AC power switch embedded in the device housing and providing an AC power supply port.
5. An in-line monitoring device for optical communication cable according to claim 1, wherein the sensor is a fiber bragg grating sensor.
6. The on-line monitoring device for communication optical cable according to claim 1, wherein the optical fiber connector uses an FC flange for connecting the optical fiber to be tested, and the network port connector is adapted to RJ45 network port.
7. An in-line monitoring device for communication optical cable according to claim 1, wherein the optical switch is a mechanical optical switch.
8. An on-line monitoring device for communication optical cable as claimed in claim 1, wherein the fiber coiling box is divided into an upper layer and a lower layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223020006.4U CN218549921U (en) | 2022-11-15 | 2022-11-15 | Communication optical cable on-line monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223020006.4U CN218549921U (en) | 2022-11-15 | 2022-11-15 | Communication optical cable on-line monitoring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218549921U true CN218549921U (en) | 2023-02-28 |
Family
ID=85263366
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223020006.4U Active CN218549921U (en) | 2022-11-15 | 2022-11-15 | Communication optical cable on-line monitoring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218549921U (en) |
-
2022
- 2022-11-15 CN CN202223020006.4U patent/CN218549921U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208508943U (en) | A kind of fibre circuit monitoring system | |
| CN206332672U (en) | A kind of fiber optic protection monitoring device and its application circuit | |
| CN101162943A (en) | Optical cable monitoring system and method combined with broken wire automatic switching protection | |
| CN110086531A (en) | A kind of fiber optic testing system based on local area network | |
| CN104009799B (en) | Optical bypass switch module and online equipment matched with same | |
| CN116972343A (en) | Optical fiber sensing system suitable for pipeline leakage monitoring | |
| CN109540184A (en) | A kind of automatic switching system and its application method of sea cable distributed monitoring optical path | |
| CN218549921U (en) | Communication optical cable on-line monitoring device | |
| WO2018216883A1 (en) | Repeater optical core monitoring system using otdr | |
| CN110086529A (en) | A kind of detecting and analysing system based on fiber optic cable monitor station | |
| CN206481303U (en) | A kind of optical fiber detector and its application circuit for spare fibre | |
| CN109921850A (en) | A kind of Cable's Fault analysis system | |
| CN103684619A (en) | Power supply and communication method and system based on optical fibers, power supply equipment and power receiving equipment | |
| CN201008160Y (en) | Single fiber bidirectional protection optical module with return loss monitoring function | |
| US20240126030A1 (en) | Multi-center non-reflective termination and optical line test method | |
| CN104796192A (en) | Intelligent real-time multichannel optical fibre monitoring system and method | |
| CN210986119U (en) | Mining intrinsic safety type kilomega ring network switch and mining industrial ring network system | |
| CN206670563U (en) | A kind of time-multiplexed powerline ice-covering on-line monitoring system based on long range | |
| CN208939964U (en) | A kind of optical cable intelligent early-warning monitoring system | |
| CN203981187U (en) | Distributed power transmission line OPGW condition monitoring system based on-48V power supply | |
| CN103162860A (en) | Optical fiber temperature measurement system of high voltage distribution cabinet | |
| CN110071758A (en) | A kind of optical cable on-line monitoring system based on local area network | |
| KR100576152B1 (en) | Optical signal detector | |
| CN215268278U (en) | Power optical cable network line detection system | |
| CN107769844A (en) | A kind of independent plug-in optical multiplexer and on-line monitoring system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |