CN112258800A - Beidou satellite technology-based power transmission line external force damage monitoring system and method - Google Patents
Beidou satellite technology-based power transmission line external force damage monitoring system and method Download PDFInfo
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- CN112258800A CN112258800A CN202010962760.6A CN202010962760A CN112258800A CN 112258800 A CN112258800 A CN 112258800A CN 202010962760 A CN202010962760 A CN 202010962760A CN 112258800 A CN112258800 A CN 112258800A
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/18—Status alarms
- G08B21/185—Electrical failure alarms
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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
- G08B25/10—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 using wireless transmission systems
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B7/00—Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00
- G08B7/06—Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00 using electric transmission, e.g. involving audible and visible signalling through the use of sound and light sources
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Abstract
The invention relates to a Beidou satellite technology-based power transmission line external force damage monitoring system and method, wherein the system comprises a mobile positioning device, a monitoring alarm device, a monitoring front end, a data center and a monitoring terminal, the mobile positioning device is installed on mobile construction machinery entering fixed point construction, the monitoring alarm device is installed on a power transmission line lead closest to an external force damage point according to the position where the external force damage is located and monitoring requirements, and the monitoring front end is installed on a power transmission line tower. The invention adopts the time synchronization and positioning technology based on Beidou satellite time service, and has wide detection range and high positioning precision; the distance between the moving target and the power transmission conductor can be determined in real time through an accurate positioning technology, whether hidden danger exists in the moving target in a monitoring area can be diagnosed in the monitoring front end, a large amount of video information does not need to be uploaded to a data center, the processing timeliness is high, the system power consumption is reduced, and tripping caused by insufficient distance of a construction machine to the power transmission line is effectively prevented.
Description
Technical Field
The invention belongs to the technical field of monitoring, diagnosing and early warning of external force damage activities of a power transmission line, and particularly relates to a power transmission line external force damage monitoring system and method based on a Beidou satellite technology.
Background
The transmission line has large span, complex peripheral terrain conditions, great influence from external environment and easy damage from external force. At present, common external force damage mainly comprises the forms of illegal chapter construction, illegal buildings, excavation and soil sampling and the like. In recent years, with the increase of engineering construction, accidents such as line tripping and line breaking caused by external force damage such as large-scale mechanical construction, tower crane wire collision, large-scale mechanical temporary hoisting and the like under a power transmission line are frequent, and the accidents have the characteristics of burstiness, concealment, long-term performance and the like, so that the power department is difficult to prevent in time.
At present, the detection of external force damage mostly adopts a manual inspection mode, which is time-consuming, labor-consuming and low in efficiency, and some on-line detection technologies developed gradually adopt monitoring methods such as laser correlation, infrared detection or ultrasonic detection, and the existing monitoring methods have the problems of limited detection area, limited angle of a monitoring probe, poor working reliability and the like due to the fact that the distance between two base towers of a power transmission line is hundreds of meters; therefore, the design of the external force damage detection system and method based on Beidou satellite positioning can judge the distance between the construction machinery and the lead in real time, and is a problem to be solved urgently in the technical field.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provides a Beidou satellite technology-based power transmission line external force damage monitoring system and method. According to the invention, a time synchronization and positioning technology based on Beidou satellite time service is adopted, geographical position information based on a power transmission conductor and a moving target is established, the distance between the moving target and the power transmission conductor can be determined in real time through an accurate positioning technology, whether the moving target in a monitoring area influences the operation of a line can be completed in a monitoring front end, sound and light early warning information is sent out according to different control requirements, and the early warning information is sent to related personnel of an electric power department. According to the invention, a large amount of video information is not required to be uploaded to a data center, the processing timeliness is higher, the data communication cost is saved, the system power consumption is reduced, the tripping caused by insufficient distance of a construction machine to a power transmission line is effectively prevented, and the power supply reliability of a power grid is improved.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
the utility model provides a transmission line external damage monitoring system based on big dipper satellite technology, includes: the system comprises a mobile positioning device, a monitoring alarm device, a monitoring front end, a data center and a monitoring terminal;
the mobile positioning device is arranged on a mobile construction machine entering fixed point construction;
the monitoring alarm device is arranged on the power transmission line conductor closest to the external force damage point according to the position of the external force damage and the monitoring requirement;
the monitoring front end is arranged on a power transmission line tower;
the mobile positioning device comprises a first power module, a first position information processing module and a first wireless transmission module; the first position information processing module comprises a microprocessor for extracting the position information of the moving target in the monitoring area and a clock chip connected with the microprocessor and used for recording time information; the first position information processing module is electrically connected with the first wireless transmission module; the first power supply module is respectively electrically connected with the first position information processing module and the first wireless transmission module and provides power for the first position information processing module and the first wireless transmission module;
the monitoring alarm device comprises a camera, a second position information processing module, a second power supply module, a second wireless transmission module, an acousto-optic alarm module and an acousto-optic alarm controller; the second position information processing module comprises a microprocessor for extracting the position information of the power transmission conductor and a clock chip connected with the microprocessor and used for recording time information; the camera is electrically connected with the second position information processing module, the second position information processing module is electrically connected with the second wireless transmission module, the sound-light alarm module is electrically connected with the sound-light alarm controller, and the sound-light alarm controller is electrically connected with the second wireless transmission module; the second power supply module is respectively and electrically connected with the camera, the second position information processing module, the second wireless transmission module, the sound-light alarm module and the sound-light alarm controller and provides power for the camera, the second position information processing module, the second wireless transmission module, the sound-light alarm module and the sound-light alarm controller; (ii) a The camera is used for monitoring the circuit channel condition;
the monitoring front end comprises a data processing module, a third power supply module, a GPRS communication module and a third wireless transmission module; the data processing module is electrically connected with the GPRS communication module and the third wireless transmission module respectively, and the third power supply module is electrically connected with the data processing module, the GPRS communication module and the third wireless transmission module respectively and provides power for the data processing module, the GPRS communication module and the third wireless transmission module;
the monitoring front end is wirelessly connected with the mobile positioning device through a third wireless transmission module and a first wireless transmission module; the monitoring front end is wirelessly connected with the monitoring alarm device through a third wireless transmission module and a second wireless transmission module; the monitoring front end is connected with the data center through the GPRS communication module, and the data center is connected with the monitoring terminal.
Further, preferably, the monitoring alarm device and the mobile positioning device acquire time synchronization information through a Beidou time service and a clock chip.
Further, it is preferable that the first wireless transmission module, the second wireless transmission module, and the third wireless transmission module all use micropower wireless transmission modules with an operating frequency band of 433 mhz.
Further, it is preferable that the first power module is a rechargeable lithium battery.
Further, preferably, the second power module comprises a coupling power module and a rechargeable lithium battery, and the coupling power module is used for charging the rechargeable lithium battery by using current mutual inductance power acquisition.
Further, preferably, the third power module includes a solar cell panel, a charging module and a rechargeable battery, the solar cell panel is electrically connected to the charging module, the charging module is electrically connected to the rechargeable battery, and the charging module charges the rechargeable battery.
Further, it is preferable that a mobile positioning device is installed on each mobile construction machine entering the electric transmission line control area, and one or more monitoring alarm devices are installed on the electric transmission line closest to the construction point.
The installation number of the monitoring alarm devices is determined according to the area size of a construction point, and preferably, 1 monitoring alarm device is installed on each 50 meters of the power transmission conductor.
Further, preferably, the monitoring terminal includes a computer and a mobile phone terminal, the computer and the mobile phone terminal actively access and control the monitoring front end and the data center through the internet to query or retrieve monitoring information, and the mobile phone terminal is further configured to receive early warning information sent by the data center.
The invention also provides a power transmission line external damage monitoring method based on the Beidou satellite technology, and the power transmission line external damage monitoring system based on the Beidou satellite technology comprises the following steps:
step (1): the method comprises the following steps that information in a monitoring area at the same time is obtained through a Beidou satellite, a mobile positioning device and a monitoring alarm device, wherein the mobile positioning device obtains the position of a mobile construction machine in the monitoring area at the time, and the monitoring alarm device obtains the position of a power transmission line in the monitoring area at the time and the condition of a line channel; the position information of the mobile construction machinery is sent to the monitoring front end through the first wireless transmission module, and the position of the power transmission line in real time and the condition of a line channel are sent to the monitoring front end through the second wireless transmission module; the monitoring front end processes the received information to obtain the real-time distance between the moving target and the power transmission conductor;
step (2): a minimum distance threshold and a maximum distance threshold of a control distance range of the moving target from the power transmission conductor are preset in the monitoring front end, and corresponding early warning is given according to comparison between the real-time distance of the moving target from the power transmission conductor and the minimum distance threshold and the maximum distance threshold;
and (3): when the real-time distance between the moving target and the power transmission conductor is larger than or equal to the maximum distance threshold value, the monitoring front end uploads early warning information to a data center through the GPRS communication module, the data center sends the received early warning information to a power related responsible person in a text form, and meanwhile, the early warning information is pushed to a monitoring terminal in the text form;
and (4): when the real-time distance between the moving target and the power transmission conductor is smaller than the maximum distance threshold value and larger than or equal to the minimum distance threshold value, the monitoring front end sends a triggering alarm instruction to the monitoring alarm device through the third wireless transmission module, the monitoring alarm device sends a starting light alarm instruction to a sound-light alarm controller closest to the moving target through the second wireless transmission module, and the sound-light alarm module carries out light alarm; meanwhile, the monitoring front end uploads the existing early warning information to a data center through a GPRS communication module, the data center sends the received early warning information to a power related responsible person in a text mode, and meanwhile, the early warning information is pushed to a monitoring terminal in a text and picture mode;
and (5): when the real-time distance from the moving target to the power transmission conductor is smaller than the minimum distance threshold value, the monitoring front end sends a triggering alarm instruction to the monitoring alarm device through the third wireless transmission module, the monitoring alarm device sends an audible and visual alarm starting instruction to an audible and visual alarm controller closest to the moving target through the second wireless transmission module, and the audible and visual alarm module carries out audible and visual alarm; meanwhile, the monitoring front end uploads the existing early warning information to a data center through a GPRS communication module, the data center sends the received early warning information to a power related responsible person in a text mode, and meanwhile, the early warning information is pushed to a monitoring terminal in the text, picture and video mode.
In the monitoring alarm device, a camera is used for shooting the condition of a line channel (the camera is preferably spherical, so that 360-degree no dead angle is ensured); the second position information processing module is used for extracting the position information of the power transmission conductor and the condition of the line channel from the picture shot by the camera; the line channel condition comprises the type of construction machinery and the conditions of the construction machinery and the line position; and the sound-light alarm controller is used for controlling the sound-light alarm module to alarm according to the information received by the second wireless transmission module. The sound and light alarm module can adopt flashing strong light and real person calling modes.
The early warning of exceeding the maximum distance threshold value is mainly to inform related personnel of the power department in a text message (short message) mode, and the attention is needed.
In the monitoring alarm device, the data processing module comprises a data memory and a data processor; the data memory is electrically connected with the data processor; the data processor in the data processing module is used for calculating according to the transmitted position of the mobile construction machine in the monitoring area of the time, the real-time position of the power transmission line and the condition of the line channel to obtain the real-time distance between the mobile target and the power transmission conductor; and the data memory is used for storing the position of the construction machinery, the real-time position of the power transmission line and the condition information of the power transmission line channel.
Compared with the prior art, the invention has the beneficial effects that:
at present, a monitoring system and an early warning method for preventing external force damage of a power transmission line mainly detect field conditions through monitoring methods such as laser correlation, infrared detection or ultrasonic detection, when abnormal conditions are detected, video image monitoring equipment is started, field activities are recorded, and a field acousto-optic alarm device is started. Because the distance between two base towers of the power transmission line is hundreds of meters, the existing monitoring methods have the problems of limited detection area, poor working reliability and the like, for example, the laser correlation mode can only detect the machinery approaching the line from a certain direction, the monitoring range of infrared detection and ultrasonic detection is only tens of meters, and the monitoring methods can not meet the wide-area detection requirement. In addition, the alarm unit of the existing system is arranged on a tower and is far away from a site construction vehicle, and the sound and light alarm effect of the existing system basically cannot play a role in warning; in order to increase the warning effect, the power consumption of the device is designed to be large, and the power supply of the device is usually influenced by the weather in a solar power generation mode and is usually in a shutdown state due to excessive consumption of electric quantity. The monitored video and photo information needs to be transmitted to a background system in real time, the data volume is huge, the transmission speed is low, and the data communication cost is high.
According to the invention, a time synchronization and positioning technology based on Beidou satellite time service is adopted, geographical position information based on a power transmission conductor and a moving target is established, the distance between the moving target and the power transmission conductor can be determined in real time through an accurate positioning technology, whether the moving target in a monitoring area influences the operation of a line can be completed in a monitoring front end, sound and light early warning information is sent out according to different management and control requirements, and the early warning information is sent to related personnel of an electric power department at the same time, so that real-time monitoring and real-time early warning can be realized. A large amount of video information does not need to be uploaded to a data center, the processing timeliness is high, the data communication cost is saved, and the system power consumption is reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a structural diagram of a power transmission line external force damage monitoring system based on the Beidou satellite technology;
FIG. 2 is a schematic diagram of a mobile positioning apparatus in the system of the present invention;
FIG. 3 is a schematic diagram of a monitoring alarm device in the system of the present invention;
FIG. 4 is a schematic diagram of a monitoring front end of the system of the present invention;
FIG. 5 is a flow chart of a power transmission line external force damage monitoring method based on the Beidou satellite technology;
wherein, 1, moving a positioning device; 2. a monitoring alarm device; 3. monitoring the front end; 4. a data center; 5. a monitoring terminal; 11. a first power supply module; 12. a first location information processing module; 13. a first wireless transmission module; 21. a camera; 22. a second position information processing module; 23. a second power supply module; 24. a second wireless transmission module; 25. a sound and light alarm module; 26. an audible and visual alarm controller; 31. a data processing module; 32. a third power supply module; 33. a GPRS communication module; 34. and a third wireless transmission module.
Detailed Description
The present invention will be described in further detail with reference to examples.
It will be appreciated by those skilled in the art that the following examples are illustrative of the invention only and should not be taken as limiting the scope of the invention. The examples do not specify particular techniques or conditions, and are performed according to the techniques or conditions described in the literature in the art or according to the product specifications. The materials or equipment used are not indicated by manufacturers, and all are conventional products available by purchase.
As used herein, the singular forms "a", "an", "the" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof. It will be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. Further, "connected" as used herein may include wirelessly connected.
In the description of the present invention, "a plurality" means two or more unless otherwise specified. The terms "inner," "upper," "lower," and the like, refer to an orientation or a state relationship based on that shown in the drawings, which is for convenience in describing and simplifying the description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "provided" are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. To those of ordinary skill in the art, the specific meanings of the above terms in the present invention are understood according to specific situations.
It will be understood by those skilled in the art that, unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the prior art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.
As shown in FIGS. 1-4, a transmission line external damage monitoring system based on big dipper satellite technology includes: the system comprises a mobile positioning device 1, a monitoring alarm device 2, a monitoring front end 3, a data center 4 and a monitoring terminal 5;
the mobile positioning device 1 is arranged on a mobile construction machine entering fixed point construction;
the monitoring alarm device 2 is arranged on the power transmission line conductor closest to the external force damage point according to the position of the external force damage and the monitoring requirement;
the monitoring front end 3 is arranged on a power transmission line tower;
the mobile positioning device 1 comprises a first power module 11, a first position information processing module 12 and a first wireless transmission module 13; the first position information processing module 12 comprises a microprocessor for extracting the position information of the moving target in the monitoring area and a clock chip connected with the microprocessor for recording time information; the first position information processing module 12 is electrically connected with the first wireless transmission module 13; the first power module 11 is electrically connected with the first position information processing module 12 and the first wireless transmission module 13 respectively and provides power for the first position information processing module and the first wireless transmission module;
the monitoring alarm device 2 comprises a camera 21, a second position information processing module 22, a second power supply module 23, a second wireless transmission module 24, an audible and visual alarm module 25 and an audible and visual alarm controller 26; the second position information processing module 22 comprises a microprocessor for extracting the position information of the power transmission conductor and a clock chip connected with the microprocessor for recording time information; the camera 21 is electrically connected with the second position information processing module 22, the second position information processing module 22 is electrically connected with the second wireless transmission module 24, the sound-light alarm module 25 is electrically connected with the sound-light alarm controller 26, and the sound-light alarm controller 26 is electrically connected with the second wireless transmission module 24; the second power supply module 23 is respectively electrically connected with the camera 21, the second position information processing module 22, the second wireless transmission module 24, the sound-light alarm module 25 and the sound-light alarm controller 26 and provides power for the same;
the monitoring front end 3 comprises a data processing module 31, a third power supply module 32, a GPRS communication module 33 and a third wireless transmission module 34; the data processing module 31 is electrically connected with the GPRS communication module 33 and the third wireless transmission module 34, respectively, and the third power supply module 32 is electrically connected with the data processing module 31, the GPRS communication module 33 and the third wireless transmission module 34, respectively, and supplies power thereto; the camera 21 is used for monitoring the circuit channel condition;
the monitoring front end 3 is wirelessly connected with the mobile positioning device 1 through a third wireless transmission module 34 and a first wireless transmission module 13; the monitoring front end 3 is wirelessly connected with the monitoring alarm device 2 through a third wireless transmission module 34 and a second wireless transmission module 24; the monitoring front end 3 is connected with the data center 4 through the GPRS communication module 33, and the data center 4 is connected with the monitoring terminal 5.
Preferably, the monitoring alarm device 2 and the mobile positioning device 1 acquire time synchronization information through a Beidou time service and a clock chip.
Preferably, the first wireless transmission module 13, the second wireless transmission module 24 and the third wireless transmission module 34 all use micro-power wireless transmission modules with an operating frequency band of 433 mhz.
Preferably, the first power module 11 is a rechargeable lithium battery.
Preferably, the second power module 23 includes a coupling power module and a rechargeable lithium battery, and the coupling power module uses current mutual inductance to obtain energy to charge the rechargeable lithium battery.
Preferably, the third power module 32 includes a solar cell panel, a charging module and a rechargeable battery, the solar cell panel is electrically connected to the charging module, the charging module is electrically connected to the rechargeable battery, and the charging module charges the rechargeable battery.
Preferably, the method is characterized in that one mobile positioning device 1 is installed on each mobile construction machine entering a power transmission line control area, and one or more monitoring alarm devices 2 are installed on a power transmission lead closest to a construction point. The installation number of the monitoring alarm devices is determined according to the area size of a construction point, and preferably, 1 monitoring alarm device is installed on each 50 meters of the power transmission conductor.
Preferably, the monitoring terminal 5 comprises a computer and a mobile phone terminal, the computer and the mobile phone terminal actively access and control the monitoring front end 3 and the data center 4 through the internet to inquire or retrieve monitoring information, and the mobile phone terminal is further used for receiving early warning information sent by the data center 4.
As shown in fig. 5, the power transmission line external damage monitoring method based on the Beidou satellite technology, which adopts the power transmission line external damage monitoring system based on the Beidou satellite technology, comprises the following steps:
step (1): the method comprises the following steps that information in a monitoring area at the same time is obtained through a Beidou satellite, a mobile positioning device and a monitoring alarm device, wherein the mobile positioning device obtains the position of a mobile construction machine in the monitoring area at the time, and the monitoring alarm device obtains the position of a power transmission line in the monitoring area at the time and the condition of a line channel; the position information of the mobile construction machinery is sent to the monitoring front end through the first wireless transmission module, and the position of the power transmission line in real time and the condition of a line channel are sent to the monitoring front end through the second wireless transmission module; the monitoring front end processes the received information to obtain the real-time distance between the moving target and the power transmission conductor;
step (2): a minimum distance threshold and a maximum distance threshold of a control distance range of the moving target from the power transmission conductor are preset in the monitoring front end, and corresponding early warning is given according to comparison between the real-time distance of the moving target from the power transmission conductor and the minimum distance threshold and the maximum distance threshold;
and (3): when the real-time distance between the moving target and the power transmission conductor is larger than or equal to the maximum distance threshold value, the monitoring front end uploads early warning information to a data center through the GPRS communication module, the data center sends the received early warning information to a power related responsible person in a text form, and meanwhile, the early warning information is pushed to a monitoring terminal in the text form;
and (4): when the real-time distance between the moving target and the power transmission conductor is smaller than the maximum distance threshold value and larger than or equal to the minimum distance threshold value, the monitoring front end sends a triggering alarm instruction to the monitoring alarm device through the third wireless transmission module, the monitoring alarm device sends a starting light alarm instruction to the sound-light alarm controller closest to the moving target through the second wireless transmission module, and the sound-light alarm controller controls the sound-light alarm module to perform light alarm; meanwhile, the monitoring front end uploads the existing early warning information to a data center through a GPRS communication module, the data center sends the received early warning information to a power related responsible person in a text mode, and meanwhile, the early warning information is pushed to a monitoring terminal in a text and picture mode;
and (5): when the real-time distance from the moving target to the power transmission lead is smaller than the minimum distance threshold value, the monitoring front end sends a triggering alarm instruction to the monitoring alarm device through the third wireless transmission module, the monitoring alarm device sends a starting light alarm instruction to the sound-light alarm controller closest to the moving target through the second wireless transmission module, and the sound-light alarm controller controls the sound-light alarm module to carry out light alarm; meanwhile, the monitoring front end uploads the existing early warning information to a data center through a GPRS communication module, the data center sends the received early warning information to a power related responsible person in a text mode, and meanwhile, the early warning information is pushed to a monitoring terminal in the text, picture and video mode.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. The utility model provides a transmission line external damage monitoring system based on big dipper satellite technology which characterized in that includes: the system comprises a mobile positioning device (1), a monitoring alarm device (2), a monitoring front end (3), a data center (4) and a monitoring terminal (5);
the mobile positioning device (1) is arranged on a mobile construction machine entering a fixed point for construction;
the monitoring alarm device (2) is arranged on the power transmission line wire closest to the external force damage point;
the monitoring front end (3) is arranged on a power transmission line tower;
the mobile positioning device (1) comprises a first power supply module (11), a first position information processing module (12) and a first wireless transmission module (13); the first position information processing module (12) comprises a microprocessor for extracting the position information of the moving target in the monitoring area and a clock chip connected with the microprocessor for recording time information; the first position information processing module (12) is electrically connected with the first wireless transmission module (13); the first power supply module (11) is respectively electrically connected with the first position information processing module (12) and the first wireless transmission module (13) and provides power for the first position information processing module and the first wireless transmission module;
the monitoring alarm device (2) comprises a camera (21), a second position information processing module (22), a second power supply module (23), a second wireless transmission module (24), an acousto-optic alarm module (25) and an acousto-optic alarm controller (26); the second position information processing module (22) comprises a microprocessor for extracting the position information of the power transmission conductor and a clock chip connected with the microprocessor for recording time information; the camera (21) is electrically connected with the second position information processing module (22), the second position information processing module (22) is electrically connected with the second wireless transmission module (24), the sound-light alarm module (25) is electrically connected with the sound-light alarm controller (26), and the sound-light alarm controller (26) is electrically connected with the second wireless transmission module (24); the second power supply module (23) is respectively electrically connected with the camera (21), the second position information processing module (22), the second wireless transmission module (24), the sound-light alarm module (25) and the sound-light alarm controller (26) and provides power for the camera, the second position information processing module (22) and the sound-light alarm controller; the camera (21) is used for monitoring the circuit channel condition;
the monitoring front end (3) comprises a data processing module (31), a third power supply module (32), a GPRS communication module (33) and a third wireless transmission module (34); the data processing module (31) is electrically connected with the GPRS communication module (33) and the third wireless transmission module (34) respectively, and the third power supply module (32) is electrically connected with the data processing module (31), the GPRS communication module (33) and the third wireless transmission module (34) respectively and provides power supply for the data processing module, the GPRS communication module (33) and the third wireless transmission module;
the monitoring front end (3) is in wireless connection with the mobile positioning device (1) through a third wireless transmission module (34) and a first wireless transmission module (13); the monitoring front end (3) is wirelessly connected with the monitoring alarm device (2) through a third wireless transmission module (34) and a second wireless transmission module (24); the monitoring front end (3) is connected with the data center (4) through the GPRS communication module (33), and the data center (4) is connected with the monitoring terminal (5).
2. The electric transmission line external force damage monitoring system based on the Beidou satellite technology is characterized in that the monitoring alarm device (2) and the mobile positioning device (1) obtain time synchronization information through a Beidou time service and a clock chip.
3. The Beidou satellite technology-based power transmission line external force damage monitoring system according to claim 1, wherein the first wireless transmission module (13), the second wireless transmission module (24) and the third wireless transmission module (34) all adopt micropower wireless transmission modules with the working frequency band of 433 MHz.
4. The Beidou satellite technology-based power transmission line external force damage monitoring system according to claim 1, wherein the first power module (11) is a rechargeable lithium battery.
5. The Beidou satellite technology-based power transmission line external force damage monitoring system according to claim 1, wherein the second power module (23) comprises a coupling power-taking power module and a rechargeable lithium battery, and the coupling power-taking power module utilizes current mutual inductance power taking to charge the rechargeable lithium battery.
6. The Beidou satellite technology-based power transmission line external force damage monitoring system according to claim 1, wherein the third power module (32) comprises a solar panel, a charging module and a charging storage battery, the solar panel is electrically connected with the charging module, the charging module is electrically connected with the rechargeable storage battery, and the charging module charges the rechargeable storage battery.
7. The electric transmission line external force damage monitoring system based on the Beidou satellite technology is characterized in that one mobile positioning device (1) is installed on each mobile construction machine entering an electric transmission line control area, and one or more monitoring alarm devices (2) are installed on an electric transmission lead closest to a construction point.
8. The Beidou satellite technology based power transmission line external force damage monitoring system according to claim 7, characterized in that 1 monitoring alarm device (2) is installed on a power transmission conductor every 50 meters.
9. The Beidou satellite technology-based power transmission line external force damage monitoring method according to claim 8, wherein the monitoring terminal (5) comprises a computer and a mobile phone mobile terminal, the computer and the mobile phone mobile terminal actively access and control the monitoring front end (3) and the data center (4) through the internet to inquire or retrieve monitoring information, and the mobile phone mobile terminal is further used for receiving early warning information sent by the data center (4).
10. A power transmission line external damage monitoring method based on the Beidou satellite technology adopts the power transmission line external damage monitoring system based on the Beidou satellite technology in any one of claims 1 to 6 and 8 to 9, and is characterized by comprising the following steps:
step (1): the method comprises the following steps that information in a monitoring area at the same time is obtained through a Beidou satellite, a mobile positioning device and a monitoring alarm device, wherein the mobile positioning device obtains the position of a mobile construction machine in the monitoring area at the time, and the monitoring alarm device obtains the position of a power transmission line in the monitoring area at the time and the condition of a line channel; the position information of the mobile construction machinery is sent to the monitoring front end through the first wireless transmission module, and the position of the power transmission line in real time and the condition of a line channel are sent to the monitoring front end through the second wireless transmission module; the monitoring front end processes the received information to obtain the real-time distance between the moving target and the power transmission conductor;
step (2): a minimum distance threshold and a maximum distance threshold of a control distance range of the moving target from the power transmission conductor are preset in the monitoring front end, and corresponding early warning is given according to comparison between the real-time distance of the moving target from the power transmission conductor and the minimum distance threshold and the maximum distance threshold;
and (3): when the real-time distance between the moving target and the power transmission conductor is larger than or equal to the maximum distance threshold value, the monitoring front end uploads early warning information to a data center through the GPRS communication module, the data center sends the received early warning information to a power related responsible person in a text form, and meanwhile, the early warning information is pushed to a monitoring terminal in the text form;
and (4): when the real-time distance between the moving target and the power transmission conductor is smaller than the maximum distance threshold value and larger than or equal to the minimum distance threshold value, the monitoring front end sends a triggering alarm instruction to the monitoring alarm device through the third wireless transmission module, the monitoring alarm device sends a starting light alarm instruction to the sound-light alarm controller closest to the moving target through the second wireless transmission module, and the sound-light alarm controller controls the sound-light alarm module to perform light alarm; meanwhile, the monitoring front end uploads the existing early warning information to a data center through a GPRS communication module, the data center sends the received early warning information to a power related responsible person in a text mode, and meanwhile, the early warning information is pushed to a monitoring terminal in a text and picture mode;
and (5): when the real-time distance from the moving target to the power transmission lead is smaller than the minimum distance threshold value, the monitoring front end sends a triggering alarm instruction to the monitoring alarm device through the third wireless transmission module, the monitoring alarm device sends a starting acousto-optic alarm instruction to the acousto-optic alarm controller closest to the moving target through the second wireless transmission module, and the acousto-optic alarm controller controls the acousto-optic alarm module to carry out acousto-optic alarm; meanwhile, the monitoring front end uploads the existing early warning information to a data center through a GPRS communication module, the data center sends the received early warning information to a power related responsible person in a text mode, and meanwhile, the early warning information is pushed to a monitoring terminal in the text, picture and video mode.
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