CN114200875A - Super-radiation double-light-source external hidden danger inspection system - Google Patents
Super-radiation double-light-source external hidden danger inspection system Download PDFInfo
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
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- G07C1/20—Checking timed patrols, e.g. of watchman
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
- G08B25/01—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium
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Abstract
The invention discloses a superradiation double-light-source external-damage hidden danger patrol system which comprises a sensor function layer, a laser signal module, a data acquisition module, a central control module, a log module, a data storage module, a user management platform, a data application module, a data processing module, an alarm module, a remote monitoring platform and a network communication module, wherein the output end of the central control module is sequentially connected with the input ends of the data processing module and the data application module, and the output end of the central control module is sequentially connected with the input ends of the log module and the data storage module. The invention simplifies the task of daily inspection, reduces the workload of operators, and on the other hand, can take preventive measures in time before an accident occurs, thereby avoiding the serious influence on the system operation mode possibly caused by the fault, reducing the operation cost, reducing the power failure, improving the power supply and communication reliability, ensuring the safe production and reducing the equipment investment.
Description
Technical Field
The invention relates to the technical field of power system maintenance, in particular to a superradiation double-light-source external hidden danger inspection system.
Background
The high-voltage cable line is a key infrastructure for electric energy transmission of the power system, has great significance for the power system, national economy, social stability and national safety in safe operation, and must ensure the safety and reliability. The cable is different from other unit type electric power electric appliance products, the unit type products are convenient to measure and monitor, intelligent control design and implementation are facilitated, and cost is low. The cable belongs to a distributed product, is long in line, strong in electromagnetic interference, complex in environment conditions along the line, multiple in influencing factors and not beneficial to being combined with the sensor. However, with the development of the optical fiber technology, the on-line monitoring of the distributed optical fiber sensing system is rapidly applied, and meanwhile, the optical fiber sensing technology belongs to a passive technology and has the characteristics of intrinsic explosion resistance, strong electromagnetic interference resistance, good electrical insulation, lightning protection, high precision, light weight, small size and the like.
Meanwhile, with the rapid development of power grid construction, the area through which the power transmission line passes is enlarged, and the proportion of underground cable power supply in a power distribution system is larger and larger. Although the cable line has the advantages of less influence by natural environment, less occupied area, high power supply reliability and the like, the cable is often damaged by external force in use, and the advantages of safety and reliability of power supply of the cable are seriously influenced. Therefore, the problem that the power supply of the cable is not damaged by external force is urgently needed to be solved by the power operation department.
The protection measures for underground cables in China mainly comprise: firstly, dispatching a specially-assigned person to carry out normal patrol, special patrol and key project patrol during operation; secondly, installing warning boards in special places to remind constructors of paying attention to the protection cables; and thirdly, replacing direct burial laying modes with low external force resistance strength by adopting channel forms with high external force resistance strength such as buried pipes and tunnels. The measures have the advantages of high cost of manpower and material resources, low degree of automation and intelligence and unsatisfactory actual external force damage effect.
In order to improve the monitoring reliability and make up the defects of a point type sensor, a power department adopts a distributed optical fiber sensing technology which is developed rapidly in recent years to carry out long-distance online monitoring on vibration, does not have a monitoring blind spot, has high resolution, strong anti-interference capability and low cost, and can provide a perfect system for cable external force prevention early warning and accurate positioning of a damage point for the power department. Meanwhile, the application of the technology also responds to the 'two parties' working deployment of the company 2019, the construction of the ubiquitous power Internet of things is accelerated, and the technical guarantee is provided for preventing the cable from being externally broken.
Based on the above, we propose a superradiation double-light source external hidden danger patrol system to solve the above problems.
Disclosure of Invention
Objects of the invention
In order to solve the technical problems in the background art, the invention provides a superradiation double-light-source external-broken hidden danger patrol system, which simplifies the task of daily patrol and reduces the workload of operators, and on the other hand, can take preventive measures in time before an accident occurs, avoids the serious influence on the system operation mode possibly caused by the fault, reduces the operation cost, reduces the power failure, improves the power supply and communication reliability, ensures safe production and reduces the equipment investment.
(II) technical scheme
The invention provides a superradiation double-light-source external-damage hidden danger patrol system which comprises a sensor functional layer, a laser signal module, a data acquisition module, a central control module, a log module, a data storage module, a user management platform, a data application module, a data processing module, an alarm module, a remote monitoring platform and a network communication module, wherein the output end of the central control module is sequentially connected with the input ends of the data processing module and the data application module, the output end of the central control module is sequentially connected with the input ends of the log module and the data storage module, the data storage module is bidirectionally connected with the user management platform, the output end of the central control module is sequentially connected with the input ends of the network communication module and the alarm module, the network communication module is bidirectionally connected with the remote monitoring platform, and the output end of the central control module is respectively unidirectionally connected with the laser signal module and the data acquisition module, the output end of the laser signal module is in one-way connection with the input end of the sensor functional layer, and the output end of the sensor functional layer is in one-way connection with the input end of the data acquisition module.
Preferably, the sensor functional layer comprises a light source, an optical modulation demodulator, an optical detection module, a signal collector, a coprocessor, a monitoring analysis alarm system and a sensing optical cable, the output ends of the optical modulation demodulator and the signal collector are in one-way connection with the input end of the optical detection module, the optical detection module and the signal collector are respectively in one-way connection with the monitoring analysis alarm system and the coprocessor, the monitoring analysis alarm system is in two-way connection with the coprocessor, the output end of the monitoring analysis alarm system is in one-way connection with the input end of an external display system, the monitoring analysis alarm system is in two-way connection with an external storage system, and the optical modulation demodulator is in one-way connection with the sensing optical cable.
Preferably, the light source adopts two super-radiation light-emitting Sources (SLDs), and an optical fiber coupler and a vibration light path are arranged in the external station end monitoring host.
Preferably, the data application module comprises a detection chart and a related application unit, and is used for analyzing and summarizing data and preparing for an extracted application.
Preferably, the log module can check the name of the equipment, the fault time of the equipment, the fault description and the fault alarm log of the equipment, the log data of the log module is stored in the data storage module, and the data storage module also stores personnel data, main account data, equipment data, GIS information data and alarm data.
Preferably, personnel's data include the information of operating personnel, including patrolman, defence area person in charge, system administrator etc. identity to and the relation of various personnel, main account data are including the information that need log in the people of the application that platform or platform supported, including the authentication information that the login needs, equipment data includes the information of equipment in the optical fiber vibration safety monitoring platform, including the basic attribute of equipment, the position attribute of equipment, the networking attribute of equipment, the linkage strategy attribute of equipment, GIS information data includes the information of map in the optical fiber vibration safety monitoring platform, including reference sign, defence area information, the position information of equipment, the alarm information that the slave unit that receives in the alarm data optical fiber vibration safety monitoring platform sent.
Preferably, the alarm module comprises a positioning device, the specific alarm position is displayed on a map through the network communication module and the remote monitoring platform, and the alarm time, the alarm type, the event center distance, the event width, the confidence rate, the alarm level, the coordinate position and the equipment state can be checked.
Compared with the prior art, the technical scheme of the invention has the following beneficial technical effects:
1. the vibration monitoring system can simplify the task of daily inspection and reduce the workload of operators by adopting the cable to prevent external force from damaging; on the other hand, precautionary measures can be taken in time before an accident occurs, and the serious influence on the system operation mode possibly caused by the fault is also avoided. This reduces the cost of operation.
2. By adopting the cable vibration monitoring system for preventing external force damage, sudden failures of the cable and the optical cable can be reduced, unnecessary electric quantity loss can be reduced, uninterrupted power communication is ensured, direct and indirect economic losses caused by power supply interruption and the like in production can be avoided, and therefore economic benefits can be effectively improved.
3. The implementation of a vibration monitoring system with a cable protected from external damage allows for more efficient use of the equipment. The real-time monitoring of the running environment state of the cable can better ensure the running safety of the cable, thereby prolonging the service life of equipment, enhancing the running maintenance capability of a power grid, effectively monitoring the safe running condition of a line, reducing the running risk and fault emergency repair time of the line, reducing the maintenance cost of the power grid equipment in the running process, improving the reliability of power utilization, ensuring the safety of power communication and the stable and reliable running of the power grid, and laying a solid foundation for the harmony and stability of the society.
Drawings
Fig. 1 is a block diagram of a process of an external hidden danger inspection system with super-radiation double light sources according to the present invention.
Fig. 2 is a working block diagram of a sensor functional layer in the superradiation dual-light-source external hidden danger patrol system provided by the invention.
Fig. 3 is a logical schematic diagram of a vibration optical path.
Reference numerals: 1. a sensor functional layer; 2. a laser signal module; 3. a data acquisition module; 4. a central control module; 5. a log module; 6. a data storage module; 7. a user management platform; 8. a data application module; 9. a data processing module; 10. an alarm module; 11. a remote monitoring platform; 12. and a network communication module.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings in conjunction with the following detailed description. It should be understood that the description is intended to be exemplary only, and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
As shown in fig. 1-3, the superradiation dual light source external hidden trouble patrol system provided by the present invention includes a sensor functional layer 1, a laser signal module 2, a data acquisition module 3, a central control module 4, a log module 5, a data storage module 6, a user management platform 7, a data application module 8, a data processing module 9, an alarm module 10, a remote monitoring platform 11, and a network communication module 12, wherein an output end of the central control module 4 is sequentially connected with an input end of the data processing module 9 and an input end of the data application module 8, an output end of the central control module 4 is sequentially connected with an input end of the log module 5 and an input end of the data storage module 6, the data storage module 6 is bidirectionally connected with the user management platform 7, an output end of the central control module 4 is sequentially connected with an input end of the network communication module 12 and an input end of the alarm module 10, the network communication module 12 is bidirectionally connected with the remote monitoring platform 11, the output end of the central control module 4 is respectively connected with the laser signal module 2 and the data acquisition module 3 in a one-way mode, the output end of the laser signal module 2 is connected with the input end of the sensor functional layer 1 in a one-way mode, and the output end of the sensor functional layer 1 is connected with the input end of the data acquisition module 3 in a one-way mode.
In an optional embodiment, the sensor functional layer 1 includes a light source, an optical modulation demodulator, an optical detection module, a signal collector, a coprocessor, a monitoring analysis alarm system and a sensing optical cable, wherein output ends of the optical modulation demodulator and the signal collector are all connected with an input end of the optical detection module in a one-way mode, the optical detection module and the signal collector are respectively connected with the monitoring analysis alarm system and the coprocessor in a one-way mode, the monitoring analysis alarm system is connected with the coprocessor in a two-way mode, an output end of the monitoring analysis alarm system is connected with an input end of an external display system in a one-way mode, the monitoring analysis alarm system is connected with an external storage system in a two-way mode, and the optical modulation demodulator is connected with the sensing optical cable in a one-way mode.
In an alternative embodiment, the light source adopts two super-radiation light-emitting light sources SLD, and a fiber coupler and a vibration optical path are arranged in the external station monitoring host.
In an alternative embodiment, the data application module 8 includes a detection graph and associated application units for analyzing and summarizing data and preparing for an extracted application.
In an optional embodiment, the log module 5 can check the device name, the device failure time, the failure description and the failure alarm log of the device, and the log data is stored in the data storage module 6, and the data storage module 6 also stores personnel data, main account data, device data, GIS information data and alarm data.
In an optional embodiment, the personnel data includes information of an operator, including identities of a patrol guard, a defense area responsible person, a system administrator and the like, and relationships of various personnel, the main account data includes information of a person who needs to log in to the platform or an application supported by the platform, including authentication information needed for logging in, the device data includes information of devices in the optical fiber vibration safety monitoring platform, including basic properties of the devices, position properties of the devices, networking properties of the devices, and linkage policy properties of the devices, the GIS information data includes information of a map in the optical fiber vibration safety monitoring platform, including reference identifiers, defense area information, position information of the devices, and alarm information received in the alarm data optical fiber vibration safety monitoring platform and sent from the devices.
In an alternative embodiment, the alarm module 10 includes a positioning device, so that the specific alarm position can be displayed on a map through the network communication module 12 and the remote monitoring platform 11, and the time of the alarm, the alarm type, the event center distance, the event width, the confidence rate, the alarm level, the coordinate position and the equipment state can be viewed.
According to the working principle, according to the backward Rayleigh scattering light principle, high-power narrow pulse light output by the light modulation demodulator is injected into the sensing optical fiber, backward Rayleigh scattering light is generated in the sensing optical fiber, and the backward Rayleigh scattering light is separated by the light modulation demodulator to obtain superposition of optical signals carrying vibration; rayleigh scattered light reflected back from the light modulation demodulator enters a light receiving module for light/electricity conversion and is amplified by a preceding stage, at the moment, the signal is converted into an electric signal by an optical signal, and then respectively enters a synchronous signal collector for A/D (analog/digital) conversion, a digital signal is preprocessed and analyzed and calculated by a channel coprocessor, the result of data preprocessing is output to a corresponding monitoring analysis processing system, the intrusion vibration information of the whole defense area is obtained by the analysis of the monitoring analysis processing system, the processing result of the monitoring analysis processing system is input to a main controller system for linkage alarm, the data can be acquired by a data acquisition module 3 and is sent to a log module 5 for recording by a central control module 4, the data is stored by a data storage module 6, and the alarm information and the alarm position are analyzed by a network communication module 12 and an alarm module 10, the remote monitoring platform 11 is used for scheduling, which greatly simplifies the task of daily inspection and reduces the workload of operators, on the other hand, the system can take preventive measures in time before an accident happens and also avoid the serious influence on the system operation mode after the accident happens,
it is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.
Claims (7)
1. A superradiation double-light source external broken hidden danger patrol system is characterized by comprising a sensor functional layer, a laser signal module, a data acquisition module, a central control module, a log module, a data storage module, a user management platform, a data application module, a data processing module, an alarm module, a remote monitoring platform and a network communication module, wherein the output end of the central control module is sequentially connected with the input ends of the data processing module and the data application module, the output end of the central control module is sequentially connected with the input ends of the log module and the data storage module, the data storage module is bidirectionally connected with the user management platform, the output end of the central control module is sequentially connected with the input ends of the network communication module and the alarm module, the network communication module is bidirectionally connected with the remote monitoring platform, the output end of the central control module is respectively unidirectionally connected with the laser signal module and the data acquisition module, the output end of the laser signal module is in one-way connection with the input end of the sensor functional layer, and the output end of the sensor functional layer is in one-way connection with the input end of the data acquisition module.
2. The superradiation double-light-source external-damage hidden danger patrol system according to claim 1, wherein the sensor functional layer comprises a light source, an optical modulation demodulator, an optical detection module, a signal collector, a coprocessor, a monitoring analysis alarm system and a sensing optical cable, the output ends of the optical modulation demodulator and the signal collector are all in one-way connection with the input end of the optical detection module, the optical detection module and the signal collector are respectively in one-way connection with the monitoring analysis alarm system and the coprocessor, the monitoring analysis alarm system is in two-way connection with the coprocessor, the output end of the monitoring analysis alarm system is in one-way connection with the input end of an external display system, the monitoring analysis alarm system is in two-way connection with an external storage system, and the optical modulation demodulator is in one-way connection with the sensing optical cable.
3. The system according to claim 2, wherein the light source is two super-radiation light-emitting Sources (SLDs), and the external station monitoring host is provided with a fiber coupler and a vibration light path.
4. The system according to claim 1, wherein the data application module comprises a detection chart and an associated application unit, and is used for analyzing and summarizing data and preparing for extraction and application.
5. The system according to claim 1, wherein the log module can view the device name, the device failure time, the failure description and the failure alarm log of the device, the log data is stored in the data storage module, and the data storage module further stores the personnel data, the main account data, the device data, the GIS information data and the alarm data.
6. The system according to claim 5, wherein the system comprises a plurality of light sources, the personnel data includes information of operators including the identities of patrolmen, defense area responsible persons, system administrators, and the like, and various personnel relationships, the primary account data including information of the person who needs to log in to the platform or the application supported by the platform, including authentication information needed for the login, the equipment data comprises information of equipment in the optical fiber vibration safety monitoring platform, including basic attributes of the equipment, position attributes of the equipment, networking attributes of the equipment and linkage strategy attributes of the equipment, the GIS information data comprises map information in the optical fiber vibration safety monitoring platform, including reference identification, defense area information and position information of equipment, and the alarm data optical fiber vibrates the alarm information sent by the slave equipment and received in the safety monitoring platform.
7. The system according to claim 1, wherein the alarm module comprises a positioning device, and the specific alarm position is displayed on a map through the network communication module and the remote monitoring platform, so that the time of the alarm, the type of the alarm, the distance between the center of the event, the width of the event, the confidence rate, the alarm level, the coordinate position and the equipment state can be checked.
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