CN220120924U - High-voltage cable fault monitoring and accurate positioning system - Google Patents
High-voltage cable fault monitoring and accurate positioning system Download PDFInfo
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- CN220120924U CN220120924U CN202321663400.1U CN202321663400U CN220120924U CN 220120924 U CN220120924 U CN 220120924U CN 202321663400 U CN202321663400 U CN 202321663400U CN 220120924 U CN220120924 U CN 220120924U
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 41
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Abstract
The utility model discloses a high-voltage cable fault monitoring and accurate positioning system, which comprises a fault monitoring device and a fault positioning system. According to the utility model, the high-frequency sensors are arranged at the head end, the tail end and the middle end of the cable main body to match and realize efficient and full monitoring of fault signals generated by the cable main body, and the double-end automatic ranging structure formed by matching the high-frequency sensors between adjacent parts can enable the first fault monitor to be matched with the electrical elements arranged in the first fault monitor to perform analysis and transmission of the fault signals, so that the fault signals are quickly transmitted to the inside of a fault positioning system, and the fault positioning system is matched with the special algorithm of the database server and the upper host computer, so that the positioning marking of fault information positions can be conveniently realized to accurately prompt workers about cable fault positions, and the advantages of efficient monitoring of the faults of the cable main body and accurate positioning marking of the fault positions are achieved.
Description
Technical Field
The utility model relates to the field of cable fault monitoring, in particular to a high-voltage cable fault monitoring and accurate positioning system.
Background
At present, a high-voltage cable is used as a blood vessel of a city to provide energy required by urban life, once the cable fails, immeasurable influence is caused on urban life, along with rapid expansion of the power grid scale and rapid increase of power demand, the requirement of society on power supply reliability of the power grid is higher and higher, the high-voltage cable is used as important content of state maintenance, and comprehensive and deep application of a power equipment live detection technology can discover potential operation hidden trouble of the power equipment in time, and sudden failure is avoided, so that the high-voltage cable is an important guarantee for safe and stable operation of the power equipment;
with the continuous development of power grid construction, 110/220Kv power cable power supply lines are increasingly applied to urban power grid construction, and the influence possibly caused by large power supply radius is larger after the current cable has a ground fault;
therefore, a fault monitoring system is required to be arranged to rapidly monitor faults generated by the cable;
a cable fault monitoring device and system having the current application number cn201519968561. X, the device comprising: a receiving device for receiving the cable fault monitoring signal; and the processing device is connected with the receiving device and is used for comparing the cable fault monitoring signal with a standard signal; the utility model can realize real-time, effective and accurate monitoring of cable faults, avoids safety accidents caused by cable faults, and further improves driving safety and efficiency;
according to the existing cable fault monitoring device, whether a cable has a fault or not is known through comparison of monitoring signals, but the acquisition of the cable fault position is low, so that timely repair of the cable is not efficient, and therefore the cable fault monitoring device needs to be improved to efficiently achieve rapid acquisition of the cable fault and the fault position.
Disclosure of Invention
Therefore, in order to solve the above-mentioned shortcomings, the present utility model provides a high voltage cable fault monitoring and accurate positioning system.
In order to achieve the above purpose, the present utility model adopts the following technical scheme: the fault monitoring and accurate positioning system comprises a fault monitoring device, wherein the fault positioning system is connected to the outer side of the fault monitoring device, the fault monitoring device comprises a cable main body, a first connector and a second connector which are arranged on two sides of the outer end of the cable main body, a high-frequency sensor which is correspondingly arranged at the outer end of the cable main body, a first grounding wire which is connected to the lower end of the first connector, a second grounding wire which is connected to the lower end of the second connector, a first fault monitor which is externally connected to the outer end of the high-frequency sensor on one side, a second fault monitor which is externally connected to the outer end of the high-frequency sensor on the other side, and an optical fiber wire which is connected to the output ends of the bottoms of the first fault monitor and the second fault monitor.
Preferably, the first fault monitor comprises a monitoring host externally connected to the outer side of the high-frequency sensor, a main control unit installed at the input end of the monitoring host, a high-speed signal data acquisition unit connected to the upper side input end of the main control unit, a GPS/Beidou time keeping module connected to the outer side input end of the high-speed signal data acquisition unit, a network cable communication module installed at the lower side input end of the GPS/Beidou time keeping module and a power management module installed at the lower side input end of the network cable communication module.
Preferably, the fault positioning system comprises a switch externally connected to the outer side of the fault monitoring device, a database server respectively connected to three output ends of the outer side of the switch, an upper host and a printer.
Preferably, the high-frequency sensor is correspondingly arranged at the two ends of the head and the tail of the cable main body and the middle end of the cable main body, and the high-frequency sensor is in an openable clamp structure.
Preferably, a space exists between every two adjacent high-frequency sensors, and the high-frequency sensors between the adjacent high-frequency sensors form a double-end automatic ranging structure.
Preferably, the first fault monitor is consistent with the internal structure of the second fault monitor.
Preferably, the first fault monitor and the second fault monitor are connected with a wiring port of the switch through an optical fiber line connected with the bottom output end.
The utility model has the beneficial effects that:
according to the utility model, the high-frequency sensors are arranged at the head end, the tail end and the middle end of the cable main body to match and realize efficient and full monitoring of fault signals generated by the cable main body, and the double-end automatic ranging structure formed by matching the high-frequency sensors between adjacent parts can enable the first fault monitor to be matched with the electrical elements arranged in the first fault monitor to perform analysis and transmission of the fault signals, so that the fault signals are quickly transmitted to the inside of a fault positioning system, and the fault positioning system is matched with the special algorithm of the database server and the upper host computer, so that the positioning marking of fault information positions can be conveniently realized to accurately prompt workers about cable fault positions, and the advantages of efficient monitoring of the faults of the cable main body and accurate positioning marking of the fault positions are achieved.
Drawings
FIG. 1 is a schematic diagram of a combination of a fault monitoring device and a fault locating system according to the present utility model;
fig. 2 is a schematic diagram of the internal structure of the first fault monitor of the present utility model.
Wherein: the fault monitoring device comprises a fault monitoring device-1, a cable main body-11, a first connector-12, a second connector-13, a high-frequency sensor-14, a first grounding wire-15, a second grounding wire-16, a first fault monitor-17, a monitoring host-171, a main control unit-172, a high-speed signal data acquisition unit-173, a GPS/Beidou time keeping module-174, a network cable communication module-175, a power management module-176, a second fault monitor-18, an optical fiber wire-19, a fault positioning system-2, a switch-21, a database server-22, an upper host-23 and a printer-24.
Detailed Description
In order to further explain the technical scheme of the utility model, the following is explained in detail through specific examples.
Referring to fig. 1-2, the present utility model provides a high voltage cable fault monitoring and accurate positioning system, including a fault monitoring device 1, wherein a fault positioning system 2 is connected to the outer side of the fault monitoring device 1, the fault monitoring device 1 includes a cable main body 11 for implementing different functional coordination, the cable main body 11 is formed by connecting a plurality of cables, a first connector 12 and a second connector 13 correspondingly installed between adjacent cables for implementing serial coordination, so as to facilitate efficient combination of the cable main body 11, a high frequency sensor 14 correspondingly installed at the outer end of the cable main body 11 and connected with a core wire provided in the cable main body 11, and the high frequency sensor 14 integrally adopts a cable body sensor, so as to facilitate efficient monitoring of transient current traveling wave signals generated by the cable main body 11, a first grounding wire 15 connected to the lower end of the first connector 12, a second grounding wire 16 connected to the lower end of the second connector 13, so as to facilitate the first grounding wire 15 and the second grounding wire 16 to reduce the occurrence of false touch phenomenon, a first fault monitor 17 externally connected to the outer end of the high frequency sensor 14 on one side, a second fault monitor 17 correspondingly installed at the outer end of the cable main body 11 and connected to the high frequency sensor 14, and a second fault monitor 18 externally connected to the second fault monitor 18 connected to the outer end of the high frequency sensor 14, so as to implement efficient monitoring of fault monitoring by comparing signals with the output signals.
The first fault monitor 17 includes a monitoring host 171 externally connected to the outside of the high-frequency sensor 14, a main control unit 172 installed at an input end of the monitoring host 171, the main control unit 172 is formed by a CPU module, a high-speed signal data acquisition unit 173 connected to an upper input end of the main control unit 172, the high-speed signal data acquisition unit 173 is formed by a DAU module, a GPS/beidou timekeeping module 174 connected to an outer input end of the high-speed signal data acquisition unit 173, and a network cable communication module 175 installed at an input end below the GPS/beidou timekeeping module 174, so as to facilitate efficient 4G wireless communication signal transmission and cooperation, and a power management module 176 installed at an input end below the network cable communication module 175.
The high-frequency sensor 14 is correspondingly arranged at the head end, the tail end and the middle end of the cable main body 11, and the high-frequency sensor 14 is in an openable clamp structure, so that the high-frequency sensor 14 is matched with a clamp or a screw, and high-efficiency fastening connection is realized.
The space exists between every two adjacent high-frequency sensors 14, and the high-frequency sensors 14 between the adjacent high-frequency sensors form a double-end automatic ranging structure so as to be matched with the double-end automatic ranging structure, define fault positions and mark the fault positions; the internal structures of the first fault monitor 17 and the second fault monitor 18 are consistent, so that the first fault monitor 17 and the second fault monitor 18 are matched to realize accurate fault positioning monitoring matching; the first fault monitor 17 and the second fault monitor 18 are connected with a wiring port arranged on the switch 21 through an optical fiber line 19 connected with the output end at the bottom, so that data monitored by the first fault monitor 17 and the second fault monitor 18 are ensured, and the optical fiber line 19 is matched rapidly to realize export comparison.
The fault locating system 2 comprises a switch 21 externally connected to the outer end of the optical fiber 19, and the switch 21 realizes efficient signal forwarding activity and is respectively connected with a database server 22, an upper host 23 and a printer 24 at three output ends outside the switch 21.
The working principle is as follows:
when the high-voltage cable fault monitoring and accurate positioning system is used, a plurality of cables can be matched with the first connector 12 and the second connector 13 to realize stable assembly and serial connection of the cable main body 11, and are matched with the first grounding wire 15 and the second grounding wire 16 which are correspondingly connected with the lower ends of the first connector 12 and the second connector 13 to realize grounding activity, so that the subsequent false touch electric shock phenomenon is avoided, the personal safety of workers is protected, then, the high-frequency sensor 14 can be sequentially installed at the head end, the tail end and the middle end of the cable main body 11 through clamps or screws to realize the formation of a double-end automatic ranging structure, then, the output ends of the installed high-frequency sensor 14 can be respectively connected with the input ends of the first fault monitor 17 or the second fault monitor 18, fault signals monitored by the high-frequency sensor 14 can be rapidly transmitted into the first fault monitor 17 or the second fault monitor 18 to perform detection analysis activity, and finally, the first fault monitor 17, the second fault monitor 18 and the externally arranged fault positioning system 2 are connected through the optical fiber 19 to realize comparison analysis;
that is, when the adjacent high-frequency sensor 14 can collect the transient traveling wave signal generated when the cable main body 11 fails, the transient traveling wave signal can enter the first fault monitor 17 or the second fault monitor 18 in advance, so as to cooperate with a monitoring host 171, a main control unit 172, a high-speed signal data collection unit 173, a GPS/Beidou time keeping module 174, a network cable communication module 175 and a power management module 176 which are arranged in the first fault monitor 17 or the second fault monitor 18, so as to realize the analysis activity of the transient traveling wave signal, cooperate with an optical fiber line 19 to transmit the analyzed data to a switch 21 arranged in the fault positioning system 2, so that the switch 21 realizes the signal forwarding activity, and when the signal enters the database server 22 and the upper host 23, can cooperate with a special algorithm, namely a double-end automatic ranging technology, so as to realize the measurement and calculation of the fault point distance, and clearly indicate the fault point position in a system background interface, so as to quickly understand the fault position generated by the cable main body 11, timely perform the repair activity, avoid the fault position from being difficult to repair the fault position, and timely miss the fault position of the cable main body 11, thereby achieving the advantages of accurately positioning the fault position.
The utility model provides a high-voltage cable fault monitoring and accurate positioning system, which is characterized in that a high-frequency sensor 14 is arranged at the head end and the tail end of a cable main body 11 and at the middle end of the cable main body to match and realize efficient and full monitoring of fault signals generated by the cable main body 11, and a double-end automatic ranging structure is formed by matching the high-frequency sensors 14 between adjacent high-frequency sensors, so that a first fault monitor 17 is fast matched with an electrical element arranged inside to analyze and transmit the fault signals, the fault signals are fast transmitted to the inside of a fault positioning system 2, and the fault positioning system 2 is matched with a special algorithm of a database server 22 and an upper host 23, so that the positioning marking of fault information positions can be conveniently realized, and the cable fault positions of workers can be accurately prompted, thereby achieving the advantages of efficient fault monitoring and accurate positioning marking of the fault positions of the cable main body 11.
The foregoing is merely a preferred example of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (7)
1. High voltage cable fault monitoring and accurate positioning system, its characterized in that: the fault monitoring device comprises a fault monitoring device (1), a fault positioning system (2) is connected to the outer side of the fault monitoring device (1), the fault monitoring device (1) comprises a cable main body (11), a first joint (12) and a second joint (13) which are arranged on two sides of the outer end of the cable main body (11), a high-frequency sensor (14) correspondingly arranged on the outer end of the cable main body (11), a first grounding wire (15) connected to the lower end of the first joint (12), a second grounding wire (16) connected to the lower end of the second joint (13), a first fault monitor (17) connected to the outer end of the high-frequency sensor (14) on one side in an external mode, a second fault monitor (18) connected to the outer end of the high-frequency sensor (14) on the other side, and an optical fiber wire (19) connected to the bottom output ends of the first fault monitor (17) and the second fault monitor (18).
2. The high voltage cable fault monitoring and accurate positioning system of claim 1, wherein: the first fault monitor (17) comprises a monitoring host (171) externally connected to the outer side of the high-frequency sensor (14), a main control unit (172) installed at the input end of the monitoring host (171), a high-speed signal data acquisition unit (173) connected to the upper side input end of the main control unit (172), a GPS/Beidou time keeping module (174) connected to the outer side input end of the high-speed signal data acquisition unit (173), a network line communication module (175) installed at the lower side input end of the GPS/Beidou time keeping module (174) and a power management module (176) installed at the lower side input end of the network line communication module (175).
3. The high voltage cable fault monitoring and accurate positioning system of claim 1, wherein: the fault positioning system (2) comprises a switch (21) externally connected to the outer side of the fault monitoring device (1), a database server (22) respectively connected to three output ends of the outer side of the switch (21), an upper host (23) and a printer (24).
4. The high voltage cable fault monitoring and accurate positioning system of claim 1, wherein: the high-frequency sensors (14) are correspondingly arranged at the two ends of the head and the tail of the cable main body (11) and the middle end of the cable main body, and the high-frequency sensors (14) are of an openable clamp type structure.
5. The high voltage cable fault monitoring and accurate positioning system of claim 1, wherein: and a distance exists between every two adjacent high-frequency sensors (14), and the high-frequency sensors (14) between the adjacent high-frequency sensors form a double-end automatic distance measurement structure.
6. The high voltage cable fault monitoring and accurate positioning system of claim 2, wherein: the first fault monitor (17) is consistent with the internal structure of the second fault monitor (18).
7. The high voltage cable fault monitoring and accurate positioning system of claim 2, wherein: the first fault monitor (17) and the second fault monitor (18) are connected with a wiring port of the switch (21) through an optical fiber line (19) connected with the output end at the bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321663400.1U CN220120924U (en) | 2023-06-28 | 2023-06-28 | High-voltage cable fault monitoring and accurate positioning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321663400.1U CN220120924U (en) | 2023-06-28 | 2023-06-28 | High-voltage cable fault monitoring and accurate positioning system |
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| CN220120924U true CN220120924U (en) | 2023-12-01 |
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| CN202321663400.1U Active CN220120924U (en) | 2023-06-28 | 2023-06-28 | High-voltage cable fault monitoring and accurate positioning system |
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| CN (1) | CN220120924U (en) |
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2023
- 2023-06-28 CN CN202321663400.1U patent/CN220120924U/en active Active
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