CN116112073A - Parameter acquisition and transmission method and device for electric power communication optical cable - Google Patents
Parameter acquisition and transmission method and device for electric power communication optical cable Download PDFInfo
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- CN116112073A CN116112073A CN202310373988.5A CN202310373988A CN116112073A CN 116112073 A CN116112073 A CN 116112073A CN 202310373988 A CN202310373988 A CN 202310373988A CN 116112073 A CN116112073 A CN 116112073A
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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
- H04B10/0795—Performance monitoring; Measurement of transmission parameters
Abstract
The method comprises the steps of controlling a first measuring link of a host and an extension to be conducted according to a first control instruction, and collecting first link parameter data of a measured fiber core of a communication optical cable on an electric transmission line; controlling the conduction of a second measuring link of the host and the extension according to a second control instruction, and collecting second link parameter data of a measured fiber core of the communication optical cable on the power transmission line; and controlling the data transmission links of the host and the extension to be conducted according to the third control instruction so as to enable the first link parameter data and the second link parameter data to be transmitted to the host. According to the method, the attenuation, the distance, the temperature and the strain parameters of the measured fiber core of the communication optical cable are realized by conducting the first measuring link and the second measuring link, and then the collected link parameter data is transmitted by the conducted data transmission link, so that the stability and the reliability of the data transmission of the communication optical cable are ensured, and the resource utilization rate of the communication optical cable is also improved.
Description
Technical Field
The application relates to the technical field of electric power communication optical cables, in particular to a parameter acquisition and transmission method and device of an electric power communication optical cable.
Background
The transmission quality of the power communication optical cable is the weight of the safe dispatching operation of the power grid, and once the operation fault or abnormal interruption occurs, the communication disconnection of the transformer substation is directly caused; in addition, a large number of on-line monitoring substations are installed on the existing transmission line, wireless communication network signals are poor in some special places, the on-line monitoring substations on the transmission line and background communication problems are outstanding, meanwhile, along with the mature application of the transmission line inspection unmanned aerial vehicle in recent years, the line unmanned aerial vehicle nest is required to be built synchronously and forcefully in the future, and the stable and reliable communication between the line unmanned aerial vehicle nest and the background communication is required to be solved preferentially.
Disclosure of Invention
The embodiment of the application provides a parameter acquisition and transmission method and device for an electric power communication optical cable, which are used for solving the technical problems that the communication between an on-line monitoring substation on an existing power transmission line and an unmanned aerial vehicle and the background is unstable, so that data acquisition and transmission are difficult.
In order to achieve the above purpose, the embodiment of the present application provides the following technical solutions:
the parameter acquisition and transmission method of the electric power communication optical cable is applied to a parameter acquisition and transmission device of the electric power communication optical cable, the parameter acquisition and transmission device of the electric power communication optical cable comprises a host and a plurality of extensions in communication connection with the host, each extension is installed on a pole tower of a power transmission line, and the parameter acquisition and transmission method comprises the following steps:
Acquiring a first control instruction, controlling the first measuring links of the host and the extension to be conducted according to the first control instruction, and acquiring first link parameter data of a measured fiber core of a communication optical cable on an electric transmission line, wherein the first link parameter data comprises a link attenuation parameter and a link distance parameter;
acquiring a second control instruction, controlling a second measuring link of the host and the extension to be conducted according to the second control instruction, and acquiring second link parameter data of a measured fiber core of a communication optical cable on an electric transmission line, wherein the second link parameter data comprises a link temperature parameter and a link strain parameter;
and acquiring a third control instruction, and controlling the data transmission links of the host and the extension to be conducted according to the third control instruction so as to enable the first link parameter data and the second link parameter data to be transmitted to the host.
Preferably, controlling the first measurement link between the host and the slave unit to be turned on according to the first control instruction includes:
according to the first control instruction, controlling a secondary optical switch of the host to conduct a link between the host and a first detection module;
according to the first control instruction, a first switch and a second switch of the extension are controlled to conduct a link between a second fiber side port of the first switch and a first fiber side port of the second switch;
The first measurement link comprises a link between the host and a first detection module and a link between a second fiber-side port of the first switch and a first fiber-side port of the second switch.
Preferably, controlling the second measurement link between the host and the slave unit to be turned on according to the second control instruction includes:
according to the second control instruction, controlling a secondary optical switch of the host to conduct a link between the host and a second detection module;
according to the second control instruction, a first switch and a second switch of the extension are controlled to conduct a link between a second fiber side port of the first switch and a first fiber side port of the second switch;
the second measurement link includes a link between the host and a second detection module and a link between a second fiber-side port of the first switch and a first fiber-side port of the second switch.
Preferably, controlling the data transmission links of the host and the slave unit to be turned on according to the third control instruction includes:
according to the third control instruction, controlling a secondary optical switch of the host to conduct a link between the host and the first photoelectric conversion module;
According to the third control instruction, a first switch and a second switch of the extension are controlled to conduct a link between a first fiber side port of the first switch and a fiber inlet side port of the optical splitter, a link between the first fiber side port of the optical splitter and monitoring equipment, and a link between a second fiber side port of the second switch and a second fiber side port of the optical splitter;
the data transmission link comprises a link between the host and the first photoelectric conversion module, a link between a first fiber side port of the first switch and a fiber inlet side port of the optical splitter, a link between the first fiber side port of the optical splitter and monitoring equipment, and a link between a second fiber side port of the second switch and a second fiber side port of the optical splitter.
The application also provides a parameter acquisition and transmission device of the electric power communication optical cable, which comprises a host, a plurality of extensions connected with the host in a communication way and a controller for controlling the extensions to operate with the host, wherein each extension is arranged on a pole tower of a power transmission line, the host is arranged on a transformer substation of a power grid, and the controller acquires and transmits parameters of the electric power communication optical cable according to the parameter acquisition and transmission method of the electric power communication optical cable.
Preferably, the host comprises a main control module connected with the controller, a second detection module, a first photoelectric conversion module and a second photoelectric conversion module, wherein the second detection module, the first photoelectric conversion module and the second photoelectric conversion module are connected with the first photoelectric conversion module, the first photoelectric conversion module is connected with the second photoelectric conversion module, the first photoelectric conversion module comprises at least three first photoelectric switches, the second photoelectric conversion module comprises at least four second photoelectric switches, each second photoelectric switch is connected with the three first photoelectric switches, and the first photoelectric conversion module is also connected with the controller; the second detection module is used for detecting temperature parameters and strain parameters of the conducting link on the power transmission line.
Preferably, the three first-stage optical switches are a first-stage optical switch, a second first-stage optical switch and a third first-stage optical switch, the second detection module is connected with the first-stage optical switch, the first photoelectric conversion module is connected with the second first-stage optical switch, the third first-stage optical switch is connected with the first detection module, and the first detection module is connected with the controller; the first detection module is used for detecting attenuation parameters and distance parameters of the conducting link on the power transmission line.
Preferably, the host computer includes a power module, a communication module and a display module, wherein the power module is connected with the controller, the power module is used for providing power for at least the controller, the main control module and the first detection module, and the communication module is used for being connected with the extension and performing data interaction with the extension.
Preferably, each extension includes an extension main control module, and a first switch, a second switch and a second photoelectric conversion module which are connected with the extension main control module, wherein the first switch and the second switch are both connected with the beam splitter, and the first switch is also connected with the second switch and the second photoelectric conversion module.
Preferably, each extension further comprises a third photoelectric conversion module connected with the optical splitter, and the third photoelectric conversion module is further connected with a connection socket.
From the above technical solutions, the embodiments of the present application have the following advantages: the parameter acquisition and transmission method of the electric power communication optical cable comprises the steps of acquiring a first control instruction, controlling a first measurement link of a host and an extension to be conducted according to the first control instruction, and acquiring first link parameter data of a measured fiber core of the electric power communication optical cable on an electric transmission line; acquiring a second control instruction, controlling the conduction of a second measurement link of the host and the extension according to the second control instruction, and acquiring second link parameter data of a measured fiber core of the communication optical cable on the power transmission line; and acquiring a third control instruction, and controlling the data transmission links of the host and the extension to be conducted according to the third control instruction so as to enable the first link parameter data and the second link parameter data to be transmitted to the host. According to the parameter acquisition and transmission method of the electric power communication optical cable, the attenuation, the distance, the temperature and the strain parameters of the measured fiber core of the communication optical cable on the power transmission line are realized by conducting the first measuring link and the second measuring link, and then the acquired link parameter data is transmitted by conducting the data transmission link, so that the stability and the reliability of the data transmission of the communication optical cable on the power transmission line are ensured, the resource utilization rate of the communication optical cable on the power transmission line is also improved, and the technical problem that the communication between the on-line monitoring substation on the existing power transmission line and the unmanned aerial vehicle and the background is unstable, so that the data acquisition and the data transmission are difficult is solved.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive faculty for a person skilled in the art.
Fig. 1 is a flowchart of steps of a method for acquiring and transmitting parameters of an electric power communication optical cable according to an embodiment of the present application;
fig. 2 is a schematic frame diagram of a parameter acquisition and transmission device of an electric power communication optical cable according to an embodiment of the present application;
fig. 3 is a schematic frame diagram of a host in a parameter acquisition and transmission device of an electric power communication optical cable according to an embodiment of the present application;
fig. 4 is a schematic diagram of a frame of an extension in the parameter collecting and transmitting device of the electric power communication optical cable according to the embodiment of the present application.
Detailed Description
In order to make the objects, features and advantages of the present invention more obvious and understandable, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is apparent that the embodiments described below are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present disclosure.
The application provides a parameter acquisition and transmission method and device for an electric power communication optical cable, which are used for solving the technical problems of data acquisition and transmission difficulty caused by unstable communication between an on-line monitoring substation on an existing power transmission line and an unmanned aerial vehicle and a background.
Embodiment one:
fig. 1 is a flowchart illustrating steps of a method for acquiring and transmitting parameters of an electric power communication optical cable according to an embodiment of the present application, and fig. 2 is a schematic diagram illustrating a frame of an apparatus for acquiring and transmitting parameters of an electric power communication optical cable according to an embodiment of the present application. In fig. 2, the host is denoted by 39, the extensions are denoted by 42, 40, 44 and 46, the on-line monitoring substations are denoted by 43 and 47, and the nests of the drone are denoted by 41 and 45 in the transmission lines of the network.
As shown in fig. 2, the application provides a method for collecting and transmitting parameters of an electric power communication optical cable, which is applied to a device for collecting and transmitting parameters of the electric power communication optical cable.
The host machine is connected with a plurality of extensions in series through the optical fiber channel, so that the real-time collection and cooperative transmission of parameters of the whole transmission line communication optical cable are realized. One host provides four-core fiber channels to realize networking of multiple lines and multiple devices. In the embodiment, a host is arranged in a communication machine room cabinet of a power grid transformer substation, a communication machine room direct-current power supply of the transformer substation provides a 48V direct-current power supply, each extension is respectively arranged on a pole tower of a power transmission line, and an on-line monitoring substation or an unmanned aerial vehicle nest of the power transmission line provides a 12V direct-current power supply; the controller of the host is connected into the intranet through the network port, so that remote centralized control can be realized; meanwhile, the host can remotely issue control instructions to each extension, so that unified and centralized management is realized.
As shown in fig. 1, the parameter acquisition and transmission method of the electric power communication optical cable comprises the following steps:
s1, acquiring a first control instruction, controlling the first measuring links of the host and the extension to be conducted according to the first control instruction, and acquiring first link parameter data of a measured fiber core of a communication optical cable on an electric transmission line, wherein the first link parameter data comprises a link attenuation parameter and a link distance parameter.
In step S1, a first control instruction for acquiring parameters of a measured fiber core of the power transmission line is acquired, and then, according to the first control instruction, first measurement links on the host machine and the extension are conducted so as to acquire attenuation parameters and distance parameters of a complete link of the measured fiber core of the communication optical cable on the power transmission line.
In an embodiment of the present application, controlling the first measurement link conduction of the host and the slave unit according to the first control instruction includes:
according to the first control instruction, the second-level optical switch of the control host switches on a link between the host and the first detection module;
according to the first control instruction, a first switch and a second switch of the extension are controlled to conduct a link between a second fiber side port of the first switch and a first fiber side port of the second switch;
the first measurement link comprises a link between the host and the first detection module and a link between the second fiber-side optical port of the first switch and the first fiber-side optical port of the second switch.
It should be noted that, the parameter acquisition and transmission method of the electric power communication optical cable can remotely issue the first control instruction to the controller in the host through the background, and the controller controls to switch one of the three primary optical switches to be connected with one of the four secondary optical switches, so that the link conduction between any one of the four core optical fiber channels on the transmission line and the optical port of the first detection module is realized. The first control instruction is transmitted to an extension main control module through a second photoelectric conversion module of the extension, and the extension main control module switches the first switch and the second switch to conduct a link between a second fiber side port of the first switch and a first fiber side port of the second switch. And then all first measuring links connected in series with all extensions on the transmission line tower are conducted in sequence, namely, the optical port of the first detection module is conducted with the whole-course link of the measured fiber core in the communication optical cable, so that real-time measurement of the attenuation parameters and the distance parameters of the whole-course link of the measured fiber core of the communication optical cable on the transmission line is realized. In this embodiment, the first detection module includes an optical time domain reflectometer, that is, the parameter acquisition and transmission method of the power communication optical cable may detect, by using the optical time domain reflectometer, first link parameter data of a measured fiber core on the power transmission line.
S2, acquiring a second control instruction, controlling the conduction of a second measuring link of the host and the extension according to the second control instruction, and acquiring second link parameter data of a measured fiber core of the communication optical cable on the power transmission line, wherein the second link parameter data comprises a link temperature parameter and a link strain parameter.
It should be noted that, in step S2, a second control instruction for acquiring parameters of the measured fiber core of the power transmission line is acquired, and then, according to the second control instruction, the second measurement links on the host machine and the extension machine are turned on, so as to acquire temperature parameters and strain parameters of the complete link of the measured fiber core of the communication optical cable on the power transmission line.
In an embodiment of the present application, controlling the second measurement link conduction of the host and the slave unit according to the second control instruction includes:
according to the second control instruction, the second-level optical switch of the control host switches on a link between the host and the second detection module;
according to the second control instruction, the first switch and the second switch of the extension are controlled to conduct a link between the second fiber side port of the first switch and the first fiber side port of the second switch;
the second measurement link includes a link between the host and the second detection module and a link between the second fiber-side port of the first switch and the first fiber-side port of the second switch.
It should be noted that, the parameter acquisition and transmission method of the electric power communication optical cable can remotely issue the second control instruction to the controller in the host through the background, and the controller controls to switch one of the three primary optical switches to be connected with one of the four secondary optical switches, so as to realize the link conduction between any one core optical fiber channel in the four-core optical fiber channels on the power transmission line and the optical port of the second detection module. The second control instruction is transmitted to the main control module of the extension through the second photoelectric conversion module of the extension, the main control module of the extension switches the first switch and the second switch, and the link between the second fiber side port of the first switch and the first fiber side port of the second switch is conducted. And then all second measurement links of all extensions connected in series on the transmission line tower are conducted in sequence, namely that the optical port of the second detection module is conducted with the whole-course link of the measured fiber core in the communication optical cable, and the main control module of the host controls the second detection module to realize real-time measurement of the temperature parameter and the strain parameter of the whole-course link of the measured fiber core of the communication optical cable on the transmission line. In this embodiment, the second detection module includes a brillouin optical time domain reflectometer, that is, the method for acquiring and transmitting parameters of the power communication optical cable may detect, by using the brillouin optical time domain reflectometer, second link parameter data of a measured fiber core on the power transmission line.
S3, acquiring a third control instruction, and controlling the data transmission links of the host and the extension to be conducted according to the third control instruction so as to enable the first link parameter data and the second link parameter data to be transmitted to the host.
It should be noted that, in step S3, a third control instruction for acquiring data transmission of the power transmission line is obtained, and then, according to the third control instruction, data transmission links on the host and the slave units are turned on so as to acquire transmission of the first link parameter data and the second link parameter data.
In this embodiment, controlling, according to the third control instruction, the data transmission link between the host and the slave unit to be turned on includes:
according to a third control instruction, the second-level optical switch of the control host switches on a link between the host and the first photoelectric conversion module;
according to a third control instruction, the first switch and the second switch of the extension are controlled to conduct a link between a first fiber side port of the first switch and a fiber inlet side port of the optical splitter, a link between the first fiber side port of the optical splitter and monitoring equipment, and a link between a second fiber side port of the second switch and a second fiber side port of the optical splitter;
the data transmission link comprises a link between the host and the first photoelectric conversion module, a link between a first fiber side port of the first switch and a fiber inlet side port of the optical splitter, a link between the first fiber side port of the optical splitter and the monitoring equipment, and a link between a second fiber side port of the second switch and a second fiber side port of the optical splitter.
It should be noted that, the parameter acquisition and transmission method of the electric power communication optical cable can remotely issue a third control instruction to the controller in the host through the background, and the controller controls to switch one of the three primary optical switches to be connected with one of the four secondary optical switches, so that the link conduction between any one of the four core optical fiber channels on the transmission line and the first photoelectric conversion module is realized. The third control instruction is transmitted to an extension main control module through a second photoelectric conversion module of the extension, the extension main control module switches the first switch to conduct a link between a first fiber side port of the first switch and a fiber inlet side port of the optical splitter, and a first fiber outlet side port of the optical splitter is connected with an on-line monitoring substation or an unmanned aerial vehicle nest of the power transmission line through a connection socket through the third photoelectric conversion module; and switching the second switch by adopting the extension main control module according to a third control instruction to conduct a link between a second fiber side port of the second switch and a second fiber side port of the optical splitter. And then all data transmission links of all extensions on the transmission line pole tower in series are sequentially conducted, namely, the first photoelectric conversion module of the host computer is conducted with the whole-course link of the transmission fiber core in the communication optical cable, all on-line monitoring substations or unmanned aerial vehicle nests on the transmission line pole tower are serially connected into the data transmission links, finally, the data acquisition instructions are sequentially issued to the extensions through the controller of the host computer according to the third control instructions, the extensions acquire the data of the on-line monitoring substations or the unmanned aerial vehicle nests of the transmission line one by one and transmit the data back to the controller of the host computer, and one fiber core in the communication optical cable is used as optical fiber sensing and is used as data transmission. In this embodiment, the monitoring device may be an on-line monitoring substation or an unmanned aerial vehicle nest on the power line.
The parameter acquisition and transmission method of the power communication optical cable comprises the following steps: acquiring a first control instruction, controlling the first measuring links of the host and the extension to be conducted according to the first control instruction, and acquiring first link parameter data of a measured fiber core of a communication optical cable on the power transmission line; acquiring a second control instruction, controlling the conduction of a second measurement link of the host and the extension according to the second control instruction, and acquiring second link parameter data of a measured fiber core of the communication optical cable on the power transmission line; and acquiring a third control instruction, and controlling the data transmission links of the host and the extension to be conducted according to the third control instruction so as to enable the first link parameter data and the second link parameter data to be transmitted to the host. According to the parameter acquisition and transmission method of the electric power communication optical cable, the attenuation, the distance, the temperature and the strain parameters of the measured fiber core of the communication optical cable on the power transmission line are realized by conducting the first measuring link and the second measuring link, and then the acquired link parameter data is transmitted by conducting the data transmission link, so that the stability and the reliability of the data transmission of the communication optical cable on the power transmission line are ensured, the resource utilization rate of the communication optical cable on the power transmission line is also improved, and the technical problem that the communication between the on-line monitoring substation on the existing power transmission line and the unmanned aerial vehicle and the background is unstable, so that the data acquisition and the data transmission are difficult is solved.
It should be noted that, the first link parameter data collected by the parameter collection and transmission method of the electric power communication optical cable can be used as data for analyzing the transmission quality of the whole communication optical cable, and also can be used as data for judging the fault type according to the event point information and accurately positioning according to the distance data. The second link parameter data acquired by the parameter acquisition and transmission method of the electric power communication optical cable can be used as analysis data for providing whether the communication optical cable is iced or not and the mountain fire early warning of the corridor of the electric transmission line. The data transmission link conducted by the parameter acquisition and transmission method of the electric power communication optical cable realizes on-line monitoring of the substation or the unmanned aerial vehicle nest of the series transmission line, and the operation condition data of the whole transmission line is transmitted to the host in real time.
Embodiment two:
fig. 3 is a schematic frame diagram of a host in the parameter collection and transmission device of the electric power communication optical cable according to the embodiment of the application, and fig. 4 is a schematic frame diagram of an extension in the parameter collection and transmission device of the electric power communication optical cable according to the embodiment of the application.
As shown in fig. 3 and fig. 4, the present application further provides a parameter collecting and transmitting device for an electric power communication optical cable, which includes a host, a plurality of extensions connected with the host in a communication manner, and a controller 21 for controlling the extensions and the host to operate, wherein each extension is installed on a tower of a power transmission line, the host is installed on a transformer substation of a power grid, and the controller collects and transmits parameters of the electric power communication optical cable according to the parameter collecting and transmitting method for the electric power communication optical cable.
It should be noted that, in the second embodiment, the content of the method for acquiring and transmitting the parameters of the power communication optical cable is described in detail in the first embodiment, and in this embodiment, the content of the method for acquiring and transmitting the parameters of the power communication optical cable is not repeated.
As shown in fig. 3, in one embodiment of the present application, the host includes a main control module 28 connected with the controller 21, and a second detection module 2, a first photoelectric conversion module 4, a primary switch module, and a secondary optical switch module connected with the main control module 28, where the second detection module 2 and the first photoelectric conversion module 4 are both connected with the primary switch module, the primary switch module is connected with the secondary optical switch module, the primary switch module includes at least three primary optical switches, the secondary optical switch module includes at least four secondary optical switches, each secondary optical switch is connected with three primary optical switches, and the first photoelectric conversion module 4 is also connected with the controller 21; the second detection module 2 is used for detecting temperature parameters and strain parameters of the conductive link on the power transmission line.
It should be noted that, the host computer is installed in the communication computer lab rack of electric wire netting transformer substation, and the host computer adopts integrated structure.
In the embodiment of the application, the three primary optical switches are a first primary optical switch 6, a second primary optical switch 7 and a third primary optical switch 8 respectively, the second detection module 2 is connected with the first primary optical switch 6, the first photoelectric conversion module 4 is connected with the second primary optical switch 7, the third primary optical switch 8 is connected with the first detection module 22, and the first detection module 22 is connected with the controller 21; the first detection module 22 is configured to detect attenuation parameters and distance parameters of the conductive link on the power line. The four second-level optical switches are denoted as first 10, second 12, third 14 and fourth 16 second-level optical switches, respectively. In this embodiment, the first optical fiber interface 9 is disposed on the first second optical switch 10, the second optical fiber interface 11 is disposed on the second optical switch 12, the third optical fiber interface 13 is disposed on the third second optical switch 14, and the fourth optical fiber interface 15 is disposed on the fourth second optical switch 16.
It should be noted that, the second detection module 2 may be connected to the main control module 28 through the cable 5, the optical signal output end of the second detection module 2 is connected to the fiber inlet side optical port of the first primary optical switch 6, and the second detection module 2 is connected to the first primary optical switch 6 by using the optical fiber jumper 3. The optical signal interface of the first photoelectric conversion module is connected with the fiber inlet side optical port of the second primary optical switch 7, the electrical signal interface of the first photoelectric conversion module 4 is connected with the controller 21 through a cable, and the first photoelectric conversion module can realize data transmission of four paths of optical fiber channels. The fiber inlet side optical port of the first primary optical switch 6 is connected with the optical signal output end of the second detection module 2, the four fiber outlet side optical ports of the first primary optical switch 6 are respectively connected with the first secondary optical switch 10, the second secondary optical switch 12, the third secondary optical switch 14 and the fourth secondary optical switch 16, and the first primary optical switch 6 is connected with the main control module 28 through cables, so that the first primary optical switch 6 can receive a control instruction sent by the main control module 28, and the optical signals of the second detection module 2 can be output through the first optical fiber interface 9, the second optical fiber interface 11, the third optical fiber interface 13 and the fourth optical fiber interface 15. In this embodiment, the optical fiber jumper is only used for connection among each module, the optical switch and the optical fiber interface. The cable can be realized by adopting 7-core copper wires to provide direct current power supply and 485 control. The first optical fiber interface 9, the second optical fiber interface 11, the third optical fiber interface 13 and the fourth optical fiber interface 15 are respectively connected with the first secondary optical switch 10, the second secondary optical switch 12, the third secondary optical switch 14 and the fourth secondary optical switch 16, so that the multi-parameter real-time acquisition cooperative transmission of 4 communication optical cables is realized.
In this embodiment of the present application, the fiber inlet side port of the second primary optical switch 7 is connected with the optical signal end of the first photoelectric conversion module 4, four fiber outlets of the second primary optical switch 7 are respectively connected with the first secondary optical switch 10, the second secondary optical switch 12, the third secondary optical switch 14 and the fourth secondary optical switch 16, the second primary optical switch 7 is connected with the main control module 28 through the cable 5, the second primary optical switch 7 receives the control instruction sent by the main control module 28, and the controller 21 is implemented to collect the link parameter data monitored by the real-time transmission of the first optical fiber interface 9, the second optical fiber interface 11, the third optical fiber interface 13 and the fourth optical fiber interface 15.
In this embodiment of the present application, the fiber-feeding side optical port of the third primary optical switch 8 is connected to the optical signal output end of the first detection module 22, the four fiber-outputting paths of the third primary optical switch 8 are respectively connected to the first secondary optical switch 10, the second secondary optical switch 12, the third secondary optical switch 14 and the fourth secondary optical switch 16, the third primary optical switch 8 is connected to the main control module 28 through the cable 5, the third primary optical switch 8 receives the control instruction sent by the main control module 28, and the optical signal of the first detection module 22 can be output through the first optical fiber interface 9, the second optical fiber interface 11, the third optical fiber interface 13 and the fourth optical fiber interface 15.
In the embodiment of the application, the 1 st, 2 nd and 3 rd cores of the four-way fiber outlet side optical ports of the first second-level optical switch 10 are respectively connected with the first-level optical switch 6, the second first-level optical switch 7 and the third first-level optical switch 8, and the 4 th core of the four-way fiber outlet side optical port of the first second-level optical switch 10 is used as a standby fiber outlet side optical port; the fiber inlet side port of the first secondary optical switch 10 is connected with the first fiber interface 9, and the first secondary optical switch 10 is connected with the main control module 28 through the cable 5 to receive the control instruction of the main control module 28. The 1 st, 2 nd and 3 rd cores of the four fiber outlet side optical ports of the second secondary optical switch 12 are respectively connected with the first primary optical switch 6, the second primary optical switch 7 and the third primary optical switch 8, and the 4 th core of the four fiber outlet side optical ports of the second secondary optical switch 12 is used as a standby fiber outlet side optical port; the fiber inlet side port of the second-stage optical switch 12 is connected with the second optical fiber interface 11, and the second-stage optical switch 12 is connected with the main control module 28 through the cable 5 to receive the control instruction of the main control module 28. The 1 st, 2 nd and 3 rd cores of the four-way fiber outlet side optical port of the third second-stage optical switch 14 are respectively connected with the first-stage optical switch 6, the second first-stage optical switch 7 and the third first-stage optical switch 8, and the 4 th core of the four-way fiber outlet side optical port of the third second-stage optical switch 14 is used as a standby fiber outlet side optical port; the fiber inlet side port of the third second-stage optical switch 14 is connected with the third fiber interface 13, and the third second-stage optical switch 14 is connected with the main control module 28 through the cable 5 to receive the control instruction of the main control module 28. The 1 st, 2 nd and 3 rd cores of the four fiber outlet side optical ports of the fourth second-stage optical switch 16 are respectively connected with the first-stage optical switch 6, the second first-stage optical switch 7 and the third first-stage optical switch 8, and the 4 th core of the four fiber outlet side optical ports of the fourth second-stage optical switch 16 is used as a standby fiber outlet side optical port; the fiber inlet side port of the fourth second-stage optical switch 16 is connected with the fourth optical fiber interface 15, and the fourth second-stage optical switch 16 is connected with the main control module 28 through the cable 5 to receive the control instruction of the main control module 28.
In this embodiment, the host includes a power module 26 connected to the controller 21, a communication module 19, and a display module 17, where the power module 26 is configured to provide power to at least the controller 21, the main control module 28, and the first detection module 22, and the communication module 19 is configured to connect to and interact with the slave set.
It should be noted that the communication module 19 may be a 5G communication module, and the display module 17 includes a liquid crystal display. In the present embodiment, the communication module 19 is connected to the controller 21 through a USB port; the parameter acquisition and transmission device of the electric power communication optical cable can access the controller 21 through the communication module 19, so that real-time control and data acquisition and transmission of a host are realized. The input end of the power supply module 23 is connected with the 48V direct current power supply port 25, is connected with a 48V direct current communication power supply, and simultaneously provides multiple paths of 12V direct current power supply outputs to supply power to the controller 21, the display module 17, the first detection module 22 and the main control module 28. The 12V power cord 27 is a 2-core copper wire.
In the embodiment of the present application, the controller 21 is embedded in the liunx system, and runs a program of a parameter acquisition and transmission method of the electric power communication cable; the controller 21 is provided with a direct current 12V power supply by a power supply module 26; the controller 21 controls the main control module 26 to be connected with the first detection module 22 by adopting a TCP protocol through a network cable, and simultaneously acquires the link parameter data measured by the second detection module 2 and the first detection module 22 directly and acquires the data transmitted by the first photoelectric conversion module through the main control module 28; the controller 21 provides the network port 20 to realize remote connection control and transmission.
It should be noted that, the first detection module 22 is provided with 12V dc power by the power module 26; the optical signal output of the first detection module 22 is connected with a fiber inlet side optical port of the third primary optical switch; the first detection module 22 is connected with the controller 21 through a network cable 23 to finish instruction receiving and test data uploading. Wherein the network cable 23 provides data transmission using twisted pair 5 types. The main control module 28 is provided with 12V and 3A direct current power by the power supply module 26; the main control module 28 is connected with the primary switch module, the secondary optical switch module and the second detection module through cables 5, and the main control module 28 is connected with the controller 21 through a network cable 23; the main control module 28 receives the instruction from the controller 21, completes the control of the primary switch module, the secondary optical switch module and the second detection module, and collects the measurement data of the second detection module and transmits the measurement data to the controller 21.
In the embodiment of the application, the display module 17 is provided with 12V and 2A direct current power by the power module 26, and the display module 17 is connected with the controller 21 to realize the window operation of the parameter acquisition and transmission method program of the power communication optical cable. The host computer is arranged in the case 1, the 5G antenna 18 is arranged on the side surface of the case 1, and the 5G antenna 18 is connected with the communication module 19. The net mouth 20 is arranged on the side surface of the case 1 and is led out by an extension line of the net mouth of the controller 21. The power switch 24 is installed on the side of the chassis 1, the power switch 24 may be a rotary switch, and the power switch 24 is used for disconnecting the positive pole of the 48V dc power line of the power module 26. The direct current 48V power port 25 is arranged on the side face of the case 1, the direct current 48V power port 25 adopts a two-core misplug prevention design, and the access station uses 48V direct current communication power supply.
In one embodiment of the present application, each slave unit includes a slave unit main control module 31, and a first switch 35, a second switch 36 and a second photoelectric conversion module 32 connected to the slave unit main control module 31, where the first switch 35 and the second switch 36 are connected to a splitter 37, and the first switch 35 is also connected to the second switch 36 and the second photoelectric conversion module 32. Each extension further comprises a third photoelectric conversion module 30 connected to the optical splitter 37, the third photoelectric conversion module 30 being further connected to the connection socket 38.
The sealing housing 29 is provided outside the extension, a flange for mounting the optical fiber inlet port 33 and a flange for mounting the optical fiber outlet port 34 are provided in front of the sealing housing 29, and the connection socket 38 is provided at the rear end of the sealing housing 29. In this embodiment, fiber entrance port 33 is mounted to the front panel of sealed enclosure 29 using an FC flange to connect a core in a host-terminated communication cable. The fiber output port 34 is mounted on the front panel of the sealed housing 29 by an FC flange, connecting the fiber ports of the next extension on the tower.
In the embodiment of the present application, the optical port of the third photoelectric conversion module 30 is connected to the first fiber outlet side optical port of the optical splitter 37, and the third photoelectric conversion module 30 is connected to the connection socket 38 through the cable 5. The slave main control module 31 is connected with a direct-current 12V power supply provided by an on-line monitoring substation of the unmanned aerial vehicle nest or the power transmission line through a connection socket 38. The slave main control module 31 controls the switching of the first switch 35 and the second switch 36 through the cable 5, and the slave main control module 31 is connected with the second photoelectric conversion module 32 through the cable 5.
The second photoelectric conversion module 32 is connected to the optical fiber inlet 33, and the second photoelectric conversion module 32 is connected to the slave unit main control module 31 through the cable 5. The first switch 35 receives an instruction of the slave main control module 31 to switch the optical path, the fiber inlet side port of the first switch 35 is connected with the second photoelectric conversion module 32, the first fiber outlet side port of the first switch 35 is connected with the fiber inlet side port of the optical splitter 37, and the second fiber outlet side port of the first switch 35 is connected with the first fiber outlet side port of the second switch 36. The second switch 36 receives the instruction of the slave main control module 31 to switch the optical path, the second fiber outlet side port of the second switch 36 is connected with the second fiber outlet side port of the optical splitter 37, and the fiber inlet side port of the second switch 36 is connected with the fiber outlet port 34.
In the present embodiment, the fiber-in side port of the optical splitter 37 is connected to the first fiber-out side port of the first switch 35, the first fiber-out side port of the optical splitter 37 is connected to the third photoelectric conversion module 30, and the second fiber-out side port of the optical splitter 37 is connected to the second fiber-out side port of the second switch 36.
In this embodiment, the connection socket 38 is mounted on the rear panel of the sealed housing 29, and the connection socket 38 is designed to prevent misplug and is connected with the unmanned aerial vehicle nest or an on-line monitoring substation of the power transmission line through a cable.
In the embodiment of the application, the host of the parameter acquisition and transmission device of the power communication optical cable can be connected with a plurality of extensions on the transmission line tower in series through a core optical fiber channel, and the host provides four core optical fiber channels to acquire and transmit link parameter data of four transmission lines. The multiple extension sets are connected with different unmanned aerial vehicle nests through the connection socket 38, and the extension sets are connected with different on-line monitoring substations of the power transmission line through the connection socket 38, so that networking of multiple lines and multiple devices can be realized. As shown in fig. 2, the extension 40 is connected to the unmanned aerial vehicle nest 41 through the connection jack 38, the extension 42 is connected to the on-line monitoring substation 43 of the power transmission line through the connection jack 38, the extension 444 is connected to the unmanned aerial vehicle nest 45 through the connection jack 38, and the extension 46 is connected to the on-line monitoring substation 47 of the power transmission line through the connection jack 38.
The parameter acquisition and transmission device of the electric power communication optical cable can be distributed with local area network IP addresses, and all mobile terminals in the local area network section can log in and visit through a browser and remotely control the operation of the parameter acquisition and transmission device of the electric power communication optical cable after authorization; the parameter acquisition and transmission device of the electric power communication optical cable selects a measurement and data transmission mode through a parameter setting interface of a display module, and simultaneously builds a heterogeneous database to realize functions of real-time storage of different types of data, dynamic analysis of measured data and the like.
It will be clear to those skilled in the art that, for convenience and brevity of description, specific working procedures of the above-described systems, apparatuses and units may refer to corresponding procedures in the foregoing method embodiments, which are not repeated herein.
In the several embodiments provided in this application, it should be understood that the disclosed systems, apparatuses, and methods may be implemented in other ways. For example, the apparatus embodiments described above are merely illustrative, e.g., the division of the units is merely a logical function division, and there may be additional divisions when actually implemented, e.g., multiple units or components may be combined or integrated into another system, or some features may be omitted or not performed. Alternatively, the coupling or direct coupling or communication connection shown or discussed with each other may be an indirect coupling or communication connection via some interfaces, devices or units, which may be in electrical, mechanical or other form.
The units described as separate units may or may not be physically separate, and units shown as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.
In addition, each functional unit in each embodiment of the present application may be integrated in one processing unit, or each unit may exist alone physically, or two or more units may be integrated in one unit. The integrated units may be implemented in hardware or in software functional units.
The integrated units, if implemented in the form of software functional units and sold or used as stand-alone products, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present application may be embodied in essence or a part contributing to the prior art or all or part of the technical solution in the form of a software product stored in a storage medium, including several instructions to cause a computer device (which may be a personal computer, a server, or a network device, etc.) to perform all or part of the steps of the methods described in the embodiments of the present application. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a random access Memory (RAM, random Access Memory), a magnetic disk, or an optical disk, or other various media capable of storing program codes.
The above embodiments are merely for illustrating the technical solution of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the corresponding technical solutions.
Claims (10)
1. The parameter acquisition and transmission method of the electric power communication optical cable is applied to a parameter acquisition and transmission device of the electric power communication optical cable, and is characterized in that the parameter acquisition and transmission device of the electric power communication optical cable comprises a host machine and a plurality of extensions in communication connection with the host machine, each extension is installed on a pole tower of a power transmission line, and the parameter acquisition and transmission method comprises the following steps:
acquiring a first control instruction, controlling the first measuring links of the host and the extension to be conducted according to the first control instruction, and acquiring first link parameter data of a measured fiber core of a communication optical cable on an electric transmission line, wherein the first link parameter data comprises a link attenuation parameter and a link distance parameter;
Acquiring a second control instruction, controlling a second measuring link of the host and the extension to be conducted according to the second control instruction, and acquiring second link parameter data of a measured fiber core of a communication optical cable on an electric transmission line, wherein the second link parameter data comprises a link temperature parameter and a link strain parameter;
and acquiring a third control instruction, and controlling the data transmission links of the host and the extension to be conducted according to the third control instruction so as to enable the first link parameter data and the second link parameter data to be transmitted to the host.
2. The method of claim 1, wherein controlling the first measurement link between the host and the slave unit to be conductive according to the first control command comprises:
according to the first control instruction, controlling a secondary optical switch of the host to conduct a link between the host and a first detection module;
according to the first control instruction, a first switch and a second switch of the extension are controlled to conduct a link between a second fiber side port of the first switch and a first fiber side port of the second switch;
the first measurement link comprises a link between the host and a first detection module and a link between a second fiber-side port of the first switch and a first fiber-side port of the second switch.
3. The method of claim 1, wherein controlling the second measurement links of the host and the slave unit to be conducted according to the second control command comprises:
according to the second control instruction, controlling a secondary optical switch of the host to conduct a link between the host and a second detection module;
according to the second control instruction, a first switch and a second switch of the extension are controlled to conduct a link between a second fiber side port of the first switch and a first fiber side port of the second switch;
the second measurement link includes a link between the host and a second detection module and a link between a second fiber-side port of the first switch and a first fiber-side port of the second switch.
4. The method for parameter acquisition and transmission of an electrical power communication cable according to claim 1, wherein controlling the data transmission links of the host and the slave unit to be turned on according to the third control instruction comprises:
according to the third control instruction, controlling a secondary optical switch of the host to conduct a link between the host and the first photoelectric conversion module;
According to the third control instruction, a first switch and a second switch of the extension are controlled to conduct a link between a first fiber side port of the first switch and a fiber inlet side port of the optical splitter, a link between the first fiber side port of the optical splitter and monitoring equipment, and a link between a second fiber side port of the second switch and a second fiber side port of the optical splitter;
the data transmission link comprises a link between the host and the first photoelectric conversion module, a link between a first fiber side port of the first switch and a fiber inlet side port of the optical splitter, a link between the first fiber side port of the optical splitter and monitoring equipment, and a link between a second fiber side port of the second switch and a second fiber side port of the optical splitter.
5. The parameter acquisition and transmission device for the electric power communication optical cable is characterized by comprising a host, a plurality of extensions in communication connection with the host and a controller for controlling the extensions and the host to operate, wherein each extension is arranged on a tower of a power transmission line, the host is arranged on a transformer substation of a power grid, and the controller acquires and transmits parameters of the electric power communication optical cable according to the parameter acquisition and transmission method for the electric power communication optical cable according to any one of claims 1-4.
6. The device for acquiring and transmitting parameters of an electric power communication optical cable according to claim 5, wherein the host comprises a main control module connected with the controller, a second detection module, a first photoelectric conversion module, a primary switch module and a secondary optical switch module which are connected with the main control module, the second detection module and the first photoelectric conversion module are both connected with the primary switch module, the primary switch module is connected with the secondary optical switch module, the primary switch module comprises at least three primary optical switches, the secondary optical switch module comprises at least four secondary optical switches, each secondary optical switch is connected with three primary optical switches, and the first photoelectric conversion module is also connected with the controller; the second detection module is used for detecting temperature parameters and strain parameters of the conducting link on the power transmission line.
7. The device for collecting and transmitting parameters of an electric power communication optical cable according to claim 6, wherein the three primary optical switches are a first primary optical switch, a second primary optical switch and a third primary optical switch respectively, the second detection module is connected with the first primary optical switch, the first photoelectric conversion module is connected with the second primary optical switch, the third primary optical switch is connected with the first detection module, and the first detection module is connected with the controller; the first detection module is used for detecting attenuation parameters and distance parameters of the conducting link on the power transmission line.
8. The device for parameter acquisition and transmission of electrical power communication cable according to claim 7, wherein said host comprises a power module connected to said controller, a communication module for providing power to at least said controller, said main control module and said first detection module, and a display module for interfacing with said extension and for data interaction with said extension.
9. The device for collecting and transmitting parameters of an electric power communication optical cable according to claim 5, wherein each extension comprises an extension main control module, a first switch, a second switch and a second photoelectric conversion module, wherein the first switch, the second switch and the second photoelectric conversion module are connected with the extension main control module, the first switch and the second switch are both connected with a beam splitter, and the first switch is also connected with the second switch and the second photoelectric conversion module.
10. The device for parameter collection and transmission of electrical power communication cables according to claim 9, wherein each extension further comprises a third photoelectric conversion module connected to the optical splitter, the third photoelectric conversion module further being connected to a connection socket.
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| US20030215172A1 (en) * | 2002-05-14 | 2003-11-20 | Greg Koenig | Fiber optic detection system and method |
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| CN114660400A (en) * | 2022-03-02 | 2022-06-24 | 国网山东省电力公司电力科学研究院 | Multi-parameter sensing method and system for power transmission line |
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| US20030215172A1 (en) * | 2002-05-14 | 2003-11-20 | Greg Koenig | Fiber optic detection system and method |
| CN104283607A (en) * | 2012-01-13 | 2015-01-14 | 李水进 | Optical fiber communication network monitoring protecting system and method thereof |
| CN210780795U (en) * | 2019-12-04 | 2020-06-16 | 云南电网有限责任公司保山供电局 | Distributed optical fiber multi-parameter measurement light distribution control device of power optical cable network |
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