CN112611941A - Novel distribution line fault indicator and implementation method - Google Patents

Novel distribution line fault indicator and implementation method Download PDF

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Publication number
CN112611941A
CN112611941A CN202011453891.8A CN202011453891A CN112611941A CN 112611941 A CN112611941 A CN 112611941A CN 202011453891 A CN202011453891 A CN 202011453891A CN 112611941 A CN112611941 A CN 112611941A
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China
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module
cylinder
indicator
wireless communication
distribution line
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蒋运臣
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Individual
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/08Locating faults in cables, transmission lines, or networks
    • G01R31/081Locating faults in cables, transmission lines, or networks according to type of conductors
    • G01R31/085Locating faults in cables, transmission lines, or networks according to type of conductors in power transmission or distribution lines, e.g. overhead
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R1/00Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
    • G01R1/02General constructional details
    • G01R1/04Housings; Supporting members; Arrangements of terminals

Abstract

The invention discloses a novel distribution line fault indicator and also discloses an implementation method of the novel distribution line fault indicator, which comprises an indicator mechanism, a main station mechanism and a platform which are all connected in a wireless mode, wherein the fault indicator takes the synthesized three-phase zero-sequence current as an important index for analyzing a grounding point, the synchronous precision of three groups of collected waveforms improves the precision of the zero-sequence current and can also have higher synchronous wave recording precision, and because the three groups of collecting modules independently sample, the higher synchronous wave recording precision can be achieved only by synchronously starting the wave recording time of a collecting unit, when a sensing module carries out time synchronization to the three groups of collecting modules in the group, the sensing module regularly and synchronously sends a clock synchronization command to the three groups of collecting modules in the same group, and also can accurately measure and record the line current at a high speed and accurately detect the line fault type, and quickly locate the faulty section.

Description

Novel distribution line fault indicator and implementation method
Technical Field
The invention relates to the technical field of fault indicators, in particular to a novel distribution line fault indicator and an implementation method thereof.
Background
The national grid is currently advancing the construction of smart grids, where distribution automation is one of its key points. In the field of distribution network automation, the most faults are ground faults, various ground fault characteristics are different, such as amplitude, frequency and other characteristics of fault signals are different, an acquisition unit of a transient recording type fault indicator can report monitoring data in real time, and a collection unit enables the system to have channel monitoring, switching and fault alarming capabilities by means of a short-distance wireless and remote wireless hybrid networking technology, supports data continuous transmission functions after system diagnosis, self-healing and communication interruption recovery, and enables power workers to monitor line working condition information and fault information in real time.
The existing distribution line fault indicator is generally only simple to monitor line fault grounding, cannot accurately measure line current and record waves at high speed, accurately detects line fault types, quickly positions fault sections, and is low in wave recording precision and inconvenient in overall dismounting of the indicator.
Aiming at the problems, the invention provides a novel distribution line fault indicator and an implementation method thereof, and the novel distribution line fault indicator has the advantages of higher line current measurement precision, high-speed wave recording, accurate detection of line fault types, rapid positioning of fault sections, higher wave recording precision, more convenient overall assembly and disassembly of the indicator and the like.
Disclosure of Invention
The invention aims to provide a novel distribution line fault indicator and an implementation method thereof, which have the advantages of higher line current measurement precision, high-speed wave recording, accurate detection of line fault types, quick positioning of fault sections, higher wave recording precision, more convenient overall disassembly and assembly of the indicator and the like, and can solve the problems in the background art.
In order to achieve the purpose, the invention provides the following technical scheme: a novel distribution line fault indicator comprises an indicator mechanism, a main station mechanism and a platform, wherein the indicator mechanism, the main station mechanism and the platform are connected with each other in a wireless mode, the indicator mechanism comprises a limiting assembly and a base working assembly, the limiting assembly comprises a limiting upper ring and a buckling piece, one end of the limiting upper ring is movably connected with the buckling piece, the bottom end of the buckling piece is clamped outside the base working assembly, the base working assembly respectively comprises a bearing working seat, a thread fastening cylinder, an inserting cylinder and an arc-shaped lampshade, the bottom end of the bearing working seat is provided with the thread fastening cylinder, the inner cavity at the bottom end of the thread fastening cylinder is provided with the inserting cylinder, the arc-shaped lampshade is installed at the bottom end of the inserting cylinder, a wireless communication module A is arranged in the inner cavity of the bearing working seat, and the indicator mechanism is wirelessly;
the master station mechanism comprises a GPU module, a data storage module, a time marking module, a data printing module and a wireless communication module B, wherein the wireless communication module B is used for receiving signals sent by the wireless communication module A and sending command signals to the wireless communication module A.
Further, the upper end inner wall surface of spacing fitting with a contraceptive ring is provided with a plurality of anti-skidding arc spheroid of group, and anti-skidding arc spheroid is the component that a silicon rubber material made, and the outer wall both sides of buckle spare all connect through buffering elastic component and accept the work seat, and the upper end surface of accepting the work seat still is provided with anti-skidding line.
Furthermore, an inner cavity of the bearing working seat is respectively provided with an acquisition unit, a sensing module, an early warning module and a CPU module, the acquisition unit comprises an acquisition module A, an acquisition module B and an acquisition module C, the acquisition units are used for independently monitoring the line current and the voltage state of the phase where the acquisition units are respectively located, and the acquisition units can timely grab the line current and voltage waveforms when the voltage or the current amount is disturbed, so that the basis is provided for fault analysis and rapid fault point positioning, and the output end of the acquisition units is connected with the CPU module.
Furthermore, the sensing module is used for realizing accurate detection and positioning of the ground fault on site, and meanwhile, the recording waveform of the fault moment acquisition unit can be uploaded to the master station mechanism for line fault analysis, inversion and tracing, and the output end of the sensing module is connected with the wireless communication module A.
Furthermore, the early warning module is used for timely carrying out audible and visual alarm when a monitored line fails, transmitting a signal to the wireless communication module A, the output end of the early warning module is connected with the wireless communication module A, transmitting the signal to the master station mechanism by using the wireless communication module A, controlling the working state of the indicator mechanism by using the master station mechanism, and the early warning module is an audible and visual alarm of the model SG-991.
Furthermore, the outer wall of the inserting cylinder is provided with a clamping block along the circumferential direction, the upper end face of the arc-shaped lampshade is provided with an inner cylinder, an external thread is processed on the outer wall of the inner cylinder, and the inner cylinder is screwed in the inner cavity of the thread fastening cylinder through the external thread.
Further, a reset spring is fixedly arranged on the bottom surface of the inserting barrel, the upper end of the inner barrel is provided with a mounting groove, clamping grooves corresponding to the clamping blocks are machined in two sides of the inner wall of the mounting groove, the outer side of the inserting barrel is clamped in the inner cavity of the mounting groove through the clamping blocks, and the clamping blocks are matched with the clamping grooves.
Furthermore, a circle of thin metal ring is arranged in the inner cavity of the inserting cylinder, the thin metal ring is fixedly arranged on the inner wall of the inserting cylinder, and the thin metal ring is a component made of red copper.
Furthermore, the GPU module is used for receiving the data processed by the CPU module, starting multi-thread operation, keeping clock synchronization and returning the calculated data to the CPU module by using the wireless communication module B, the time marking module is used for carrying out time marking on the abnormal monitoring data and the waveform and synchronously sending the abnormal monitoring data and the waveform to the sensing module by using a wireless transmission mode, and the output end of the time marking module is connected with the sensing module.
The invention provides another technical scheme that: the implementation method of the novel distribution line fault indicator comprises the following steps:
s1: the fault indicator is installed and fixed on the outer side of a working cable, the current and voltage states of the line of each phase are independently monitored by using the acquisition unit, and the current and voltage waveforms of the line are captured in time when the voltage or the current amount is disturbed, so that a basis is provided for fault analysis and rapid fault point positioning;
s2: the sensing module is used for timing the time of the three groups of acquisition modules in the group, and the sensing module is used for sending a clock synchronization command to the three groups of acquisition modules in the same group in a timing synchronization manner so as to accurately measure the line current and record the wave at a high speed;
s3: monitoring in real time by using a master station mechanism, comparing a preset normal waveform amplitude with a measured waveform, if the difference exists, starting an early warning module to perform sound-light alarm, and synchronously performing time identification on an abnormal monitoring waveform;
s4: the master station mechanism is synchronously transmitted to the sensing module in a wireless transmission mode again, and when the early warning module receives an alarm signal transmitted by the master station mechanism, the timer is started, the light emitting diode flickers, and acousto-optic alarm is achieved.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention provides a novel distribution line fault indicator and an implementation method, wherein a collection unit comprises a collection module A, a collection module B and a collection module C, the collection unit is used for independently monitoring the current and voltage states of the lines of the respective phases, and timely grabbing the current and voltage waveforms when the voltage or current amount is disturbed, so as to provide a basis for fault analysis and rapid fault point positioning, the output end of the collection unit is connected with a CPU module, so that the zero sequence current of the three phases is an important index for analyzing the grounding point, the synchronous precision of three groups of collected waveforms improves the precision of the zero sequence current, and also has higher synchronous wave recording precision, and as the three groups of collection modules independently carry out sampling, the time when the collection unit starts wave recording can be kept synchronously started, so that the higher synchronous wave recording precision can be achieved, and the sensing module regularly carries out time synchronization to the three groups of collection modules in the group, the sensing module sends clock synchronization commands to the three groups of acquisition modules in a timing and synchronization manner, and can also accurately measure the line current and record waves at high speed, accurately detect the line fault type and quickly position a fault section;
2. the invention provides a novel distribution line fault indicator and an implementation method, wherein an indicator mechanism is wirelessly connected with a main station mechanism through a wireless communication module A, the main station mechanism comprises a time marking module, so that the main station mechanism can compare a preset normal waveform amplitude with a measured waveform during monitoring, if the difference exists, an early warning module is started to perform sound-light alarm, and meanwhile, an abnormal monitoring waveform is synchronously time-marked and is synchronously sent to a sensing module by using a wireless transmission mode;
3. according to the novel distribution line fault indicator and the implementation method, the inner cylinder is in threaded connection with the inner cavity of the threaded fastening cylinder through the external threads, and the outer side of the inserting cylinder is clamped in the inner cavity of the mounting groove through the clamping block, so that when the base working assembly is disassembled, the inner cylinder is only required to be screwed out of the threaded fastening cylinder through the external threads, and then the inserting cylinder is pressed and ejected out of the mounting groove through the reset spring, otherwise, the assembly can be completed, and compared with the traditional integrated indicator mechanism, the novel distribution line fault indicator is more convenient to disassemble and assemble, meanwhile, the damaged parts are convenient to partially replace, and the maintenance cost is also saved;
4. the invention provides a novel distribution line fault indicator and an implementation method thereof.A plurality of groups of anti-skidding arc-shaped spheres are arranged on the surface of the inner wall of the upper end of a limiting upper ring, and anti-skidding lines are also arranged on the surface of the upper end of a bearing working seat, so that a cable can penetrate between the limiting upper ring and the bearing working seat when an indicator mechanism is installed, the installation direction of the indicator mechanism is limited by the limiting upper ring, meanwhile, the anti-skidding arc-shaped spheres and the anti-skidding lines play a certain anti-skidding role, the contact friction force between the indicator mechanism and the cable is increased, and the phenomenon that the indicator mechanism shakes or generates relative displacement to influence the recording precision of the indicator mechanism when in work is avoided.
Drawings
FIG. 1 is a system topology diagram of the novel distribution line fault indicator of the present invention;
FIG. 2 is a block diagram of the system components of the novel power distribution line fault indicator of the present invention;
FIG. 3 is a block diagram of the mechanism of the master station of the novel power distribution line fault indicator of the present invention;
fig. 4 is a schematic diagram of the overall structure of the novel distribution line fault indicator of the present invention;
figure 5 is a schematic top plan view of the novel distribution line fault indicator of the present invention;
fig. 6 is a schematic diagram of a split structure of the novel distribution line fault indicator of the present invention;
fig. 7 is an enlarged schematic view of a portion a of the novel distribution line fault indicator of the present invention shown in fig. 6;
fig. 8 is a schematic block diagram of the GPU module and the CPU module of the novel power distribution line fault indicator of the present invention.
In the figure: 1. an indicator mechanism; 11. a limiting component; 111. a position limiting upper ring; 1111. an anti-slip arc-shaped sphere; 112. a fastener; 1121. a buffer elastic member; 12. a base working assembly; 121. a bearing working seat; 1211. a wireless communication module A; 1212. anti-skid lines; 1213. a collection unit; 12131. an acquisition module A; 12132. an acquisition module B; 12133. an acquisition module C; 1214. a sensing module; 1215. an early warning module; 1216. a CPU module; 122. a threaded fastening barrel; 123. inserting a cylinder; 1231. a clamping block; 1232. a return spring; 1233. a thin metal ring; 124. an arc lampshade; 1241. an inner barrel; 12411. an external thread; 12412. mounting grooves; 12413. a card slot; 2. a master station mechanism; 21. a GPU module; 22. a data storage module; 23. a time marking module; 24. a data printing module; 25. a wireless communication module B; 3. a platform.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 and 4-7, a novel distribution line fault indicator comprises an indicator mechanism 1, a master station mechanism 2 and a platform 3, the indicator mechanism 1 comprises a limiting component 11 and a base working component 12, the limiting component 11 is composed of a limiting upper ring 111 and a buckling component 112, one end of the limiting upper ring 111 is movably connected with the buckling component 112, the bottom end of the buckling component 112 is buckled on the outer side of the base working component 12, the base working component 12 is respectively composed of a receiving working seat 121, a thread fastening cylinder 122, an inserting cylinder 123 and an arc-shaped lampshade 124, the bottom end of the receiving working seat 121 is provided with the thread fastening cylinder 122, the inner cavity of the bottom end of the thread fastening cylinder 122 is provided with the inserting cylinder 123, the bottom end of the inserting cylinder 123 is provided with the arc-shaped lampshade 124, the inner cavity of the receiving working seat 121 is provided with a wireless communication module A1211, the indicator mechanism 1 is wirelessly connected with the master station mechanism 2 through a wireless communication module A1211; the surface of the inner wall of the upper end of the upper limit ring 111 is provided with a plurality of groups of anti-skidding arc-shaped spheres 1111, the anti-skidding arc-shaped spheres 1111 are made of silicon rubber, the two sides of the outer wall of the buckle piece 112 are connected with the bearing working seat 121 through the buffering elastic pieces 1121, the upper end surface of the bearing working seat 121 is also provided with anti-skidding lines 1212, so that when the indicator mechanism 1 is installed, a cable can penetrate between the upper limit ring 111 and the bearing working seat 121, the installation direction of the indicator mechanism 1 is limited by using the upper limit ring 111, meanwhile, the anti-skidding arc-shaped spheres 1111 and the anti-skidding lines 1212 play a certain anti-skidding role, the contact friction force between the indicator mechanism 1 and the cable is increased, and the phenomenon that the indicator mechanism 1 shakes or generates relative displacement to influence the recording precision of the; a clamping block 1231 is arranged on the outer wall of the plug cylinder 123 along the circumferential direction, an inner cylinder 1241 is mounted on the upper end face of the arc lampshade 124, an external thread 12411 is processed on the outer wall of the inner cylinder 1241, and the inner cylinder 1241 is screwed in the inner cavity of the thread fastening cylinder 122 through the external thread 12411; the bottom surface of the plug-in cylinder 123 is fixedly provided with a return spring 1232, the upper end of the inner cylinder 1241 is provided with a mounting groove 12412, the two sides of the inner wall of the mounting groove 12412 are provided with clamping grooves 12413 corresponding to the clamping blocks 1231, the outer side of the plug-in cylinder 123 is clamped in the inner cavity of the mounting groove 12412 through the clamping blocks 1231, and the clamping blocks 1231 and the clamping grooves 12413 are matched with each other, so that the base working component 12 can be assembled only by screwing the inner cylinder 1241 out of the threaded fastening cylinder 122 through the external threads 12411 and then pressing the plug-in cylinder 123 to eject the plug-in cylinder from the mounting groove 12412 by using the return spring 1232, otherwise, the assembly can be completed, compared with the traditional integrated indicator mechanism 1, the assembly and disassembly are more convenient, the local replacement of; a circle of thin metal ring 1233 is arranged in the inner cavity of the inserting cylinder 123, the thin metal ring 1233 is fixedly arranged on the inner wall of the inserting cylinder 123, and the thin metal ring 1233 is a member made of red copper.
Referring to fig. 3, a novel distribution line fault indicator, a master station mechanism 2 includes a GPU module 21, a data storage module 22, a time marking module 23, a data printing module 24, and a wireless communication module B25, the wireless communication module B25 is configured to receive a signal sent by the wireless communication module a1211 and send a command signal to the wireless communication module a1211, so that the master station mechanism 2 can compare a preset normal waveform amplitude with a measured waveform during monitoring, if there is a difference, start an early warning module 1215 to perform an audible and visual alarm, simultaneously perform a time marking on an abnormal monitoring waveform, and send the abnormal monitoring waveform to a sensing module 1214 synchronously in a wireless transmission manner, when the early warning module 1215 receives an alarm signal sent by the master station mechanism 2, a timer is started, a light emitting diode flashes to implement an audible and visual alarm, and visual alarm timeliness is improved from another aspect, and certain safety problem caused by overlong line fault time is avoided.
Referring to fig. 2 and 8, a novel distribution line fault indicator, an acquisition unit 1213, a sensing module 1214, an early warning module 1215 and a CPU module 1216 are respectively disposed in an inner cavity of a receiving working seat 121, the acquisition unit 1213 includes an acquisition module a12131, an acquisition module B12132 and an acquisition module C12133, and the acquisition unit 1213 is used for independently monitoring the line current and voltage status of each phase, and timely capturing the line current and voltage waveforms when the voltage or current amount is disturbed, so as to provide a basis for fault analysis and fast fault point location, and the output end thereof is connected to the CPU module 1216, so that the zero sequence current of the synthesized three phases is an important index for analyzing the grounding point, and the synchronous precision of the three groups of the acquired waveforms improves the precision of the zero sequence current, and can also have higher synchronous wave recording precision, and because the three groups of the acquisition modules independently perform sampling, the moment of starting wave recording of the acquisition unit 1213 can be kept synchronously started to achieve higher synchronous wave recording precision, the sensing module 1214 carries out timing to three groups of acquisition modules in the group, the sensing module 1214 sends a clock synchronization command to the three groups of acquisition modules in the same group in a timing and synchronous manner, and can also carry out accurate measurement and high-speed wave recording on line current, accurately detect the line fault type and quickly position a fault section; the sensing module 1214 is used for realizing accurate on-site detection and positioning of the ground fault, uploading the wave-recording waveform of the fault moment acquisition unit 1213 to the master station mechanism 2 for line fault analysis, inversion and tracing, and the output end of the sensing module is connected with the wireless communication module a 1211; the early warning module 1215 is used for giving an audible and visual alarm in time when a monitored line has a fault, transmitting a signal to the wireless communication module A1211, connecting the output end of the early warning module 1215 to the wireless communication module A1211, transmitting the signal to the master station mechanism 2 by using the wireless communication module A1211, controlling the working state of the indicator mechanism 1 by using the master station mechanism 2, and enabling the early warning module 1215 to be an audible and visual alarm with the model number SG-991; the GPU module 21 is configured to receive data processed by the CPU module 1216, start multi-thread operation, maintain clock synchronization, and return calculated data to the CPU module 1216 by using the wireless communication module B25, and the time marking module 23 is configured to perform time marking on the anomaly monitoring data and the waveform, and send the anomaly monitoring data and the waveform to the sensing module 1214 synchronously by using a wireless transmission manner, where an output end of the time marking module is connected to the sensing module 1214.
In order to better show the implementation process of the novel distribution line fault indicator, the embodiment now provides an implementation method of the novel distribution line fault indicator, which includes the following steps:
the method comprises the following steps: the fault indicator is installed and fixed on the outer side of a working cable, the current and voltage states of the line of each phase are independently monitored by the acquisition unit 1213, and the current and voltage waveforms of the line are captured in time when the voltage or current amount is disturbed, so that a basis is provided for fault analysis and rapid fault point positioning;
step two: the sensing module 1214 is used for timing the time of the three groups of acquisition modules in the group, and the timing synchronization module sends a clock synchronization command to the three groups of acquisition modules in the same group, so as to accurately measure the line current and record the wave at high speed;
step three: monitoring in real time by using the master station mechanism 2, comparing a preset normal waveform amplitude with a measured waveform, if the difference exists, starting an early warning module 1215 for acousto-optic alarm, and synchronously carrying out time identification on an abnormal monitoring waveform;
step four: the master station mechanism 2 is sent to the sensing module 1214 in a wireless transmission mode again, when the early warning module 1215 receives the alarm signal sent by the master station mechanism 2, the timer is started, the light emitting diode flickers, and sound and light alarm is achieved.
In summary, the following steps: the invention provides a novel distribution line fault indicator and an implementation method, wherein a plurality of groups of anti-skidding arc-shaped spheres 1111 are arranged on the inner wall surface of the upper end of a limit upper ring 111, anti-skidding lines 1212 are also arranged on the upper end surface of a bearing working seat 121, so that when an indicator mechanism 1 is installed, a cable can penetrate between the limit upper ring 111 and the bearing working seat 121, the installation direction of the indicator mechanism 1 is limited by the limit upper ring 111, meanwhile, the anti-skidding arc-shaped spheres 1111 and the anti-skidding lines 1212 play a certain anti-skidding role, the contact friction force between the indicator mechanism 1 and the cable is increased, the phenomenon that the indicator mechanism 1 shakes or generates relative displacement to influence the recording precision of the indicator mechanism 1 when in work is avoided, one end of the limit upper ring 111 is movably connected with a fastener 112, the bottom end of the fastener 112 is clamped at the outer side of a base working component 12, and the base working component 12, The inner cylinder 1241 is screwed in the inner cavity of the threaded fastening cylinder 122 through the external thread 12411, and the outer side of the insertion cylinder 123 is clamped in the inner cavity of the mounting groove 12412 through the clamping block 1231, so that the base working component 12 can be assembled by only screwing the inner cylinder 1241 out of the threaded fastening cylinder 122 through the external thread 12411 when disassembled, and then pressing the insertion cylinder 123 to eject the insertion cylinder from the mounting groove 12412 by using the return spring 1232, otherwise, the assembly can be completed, compared with the conventional integrated indicator mechanism 1, the integrated indicator mechanism is more convenient to disassemble and assemble, meanwhile, the damaged parts can be locally replaced, and the maintenance cost is also saved, the acquisition unit 1213 comprises an acquisition module A12131, an acquisition module B12132 and an acquisition module C12133, and the acquisition unit 1213 is used for independently monitoring the respective line current and voltage states and timely capturing the line current and voltage waveforms when the voltage or current amount is disturbed, the output end of the CPU module 1216 is connected to provide a basis for fault analysis and rapid fault point positioning, so that the synthesized three-phase zero-sequence current is an important index for analyzing a grounding point, the synchronous precision of three groups of collected waveforms improves the precision of the zero-sequence current, and the high synchronous wave recording precision can be achieved, and because the three groups of collecting modules independently perform sampling, the high synchronous wave recording precision can be achieved only by keeping synchronous starting at the time when the collecting unit 1213 starts wave recording, the sensing module 1214 performs timing to the three groups of collecting modules in the group, the sensing module 1214 transmits a clock synchronization command to the three groups of collecting modules in the same group in a timing and synchronous manner, and can also perform accurate measurement and high-speed wave recording on line current, accurately detect the line fault type, rapidly position a fault section, the bottom end of the bearing working base 121 is provided with the thread fastening cylinder 122, and the inner cavity at the bottom end of the thread fastening cylinder 122 is provided, the bottom end of the inserting cylinder 123 is provided with an arc-shaped lampshade 124, a wireless communication module A1211 is arranged in an inner cavity of the bearing working seat 121, the indicator mechanism 1 is wirelessly connected with the master station mechanism 2 through the wireless communication module A1211, the wireless communication module B25 is used for receiving signals sent by the wireless communication module A1211 and sending command signals to the wireless communication module A1211, the indicator mechanism 1 is wirelessly connected with the master station mechanism 2 through the wireless communication module A1211, the master station mechanism 2 comprises a time marking module 23, so that the master station mechanism 2 can compare preset normal waveform amplitude with measured waveforms during monitoring, if the difference exists, the early warning module 1215 is started to perform acousto-optic alarm, and simultaneously performs time marking on abnormal monitoring waveforms synchronously and sends the abnormal monitoring waveforms to the sensing module 1214 in a wireless transmission mode, when the early warning module 1215 receives alarm signals sent by the master station mechanism 2, the timer is started, the light emitting diode flickers, sound and light alarm is achieved, on the other hand, timeliness of fault alarm is improved, and certain safety problems caused by overlong line fault time are avoided.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical solutions and the inventive concepts of the present invention within the technical scope of the present invention.

Claims (10)

1. The utility model provides a novel distribution lines fault indicator, includes indicator mechanism (1), main website mechanism (2) and platform (3), and all connects its characterized in that through wireless mode each other: the indicator mechanism (1) comprises a limiting component (11) and a base working component (12), the limiting component (11) consists of a limiting upper ring (111) and a buckling part (112), one end of the limiting upper ring (111) is movably connected with the buckling part (112), the bottom end of the buckling part (112) is clamped at the outer side of the base working component (12), the base working component (12) consists of a bearing working seat (121), a thread fastening cylinder (122), an insertion cylinder (123) and an arc-shaped lampshade (124) respectively, the bottom end of the bearing working seat (121) is provided with the thread fastening cylinder (122), the insertion cylinder (123) is arranged in the inner cavity of the bottom end of the thread fastening cylinder (122), the arc-shaped lampshade (124) is arranged at the bottom end of the insertion cylinder (123), and a wireless communication module A (1211) is arranged in the inner cavity of the bearing working seat (121, the indicator mechanism (1) is connected with the master station mechanism (2) in a wireless way through a wireless communication module A (1211);
the master station mechanism (2) comprises a GPU module (21), a data storage module (22), a time marking module (23), a data printing module (24) and a wireless communication module B (25), wherein the wireless communication module B (25) is used for receiving signals sent by the wireless communication module A (1211) and sending command signals to the wireless communication module A (1211).
2. The novel distribution line fault indicator of claim 1, further comprising: the upper end inner wall surface of spacing upper ring (111) is provided with a plurality of anti-skidding arc spheroid of group (1111), and anti-skidding arc spheroid (1111) are the component that a silicon rubber material made, and the outer wall both sides of buckle spare (112) all connect through buffering elastic component (1121) and accept work seat (121), and the upper end surface of accepting work seat (121) still is provided with anti-skidding line (1212).
3. The novel distribution line fault indicator of claim 1, further comprising: the inner cavity of the bearing working seat (121) is internally provided with an acquisition unit (1213), a sensing module (1214), an early warning module (1215) and a CPU module (1216) respectively, the acquisition unit (1213) comprises an acquisition module A (12131), an acquisition module B (12132) and an acquisition module C (12133), the acquisition unit (1213) is used for monitoring the line current and the voltage state of each phase independently, and the line current and voltage waveform are grabbed in time when the voltage or the current is disturbed, the basis is provided for fault analysis and quick fault point positioning, and the output end of the acquisition unit is connected with the CPU module (1216).
4. The novel distribution line fault indicator of claim 3, further comprising: the sensing module (1214) is used for realizing accurate detection and positioning of ground fault on site, and simultaneously, the wave recording waveform of the fault moment acquisition unit (1213) can be uploaded to the main station mechanism (2) for line fault analysis, inversion and tracing, and the output end of the sensing module is connected with the wireless communication module A (1211).
5. The novel distribution line fault indicator of claim 3, further comprising: the early warning module (1215) is used for timely carrying out audible and visual alarm when a monitored line has a fault, transmitting a signal to the wireless communication module A (1211), connecting the output end of the early warning module (1215) with the wireless communication module A (1211), transmitting the signal to the master station mechanism (2) by using the wireless communication module A (1211), controlling the working state of the indicator mechanism (1) by using the master station mechanism (2), and enabling the early warning module (1215) to be an audible and visual alarm of the model SG-991.
6. The novel distribution line fault indicator of claim 1, further comprising: the outer wall of the insert cylinder (123) is provided with a clamping block (1231) along the circumferential direction, the upper end face of the arc-shaped lampshade (124) is provided with an inner cylinder (1241), an external thread (12411) is processed on the outer wall of the inner cylinder (1241), and the inner cylinder (1241) is screwed in the inner cavity of the thread fastening cylinder (122) through the external thread (12411).
7. The novel distribution line fault indicator of claim 1, further comprising: the bottom surface of the plug-in cylinder (123) is fixedly provided with a return spring (1232), the upper end of the inner cylinder (1241) is provided with a mounting groove (12412), the two sides of the inner wall of the mounting groove (12412) are provided with clamping grooves (12413) corresponding to the clamping blocks (1231), the outer side of the plug-in cylinder (123) is clamped in the inner cavity of the mounting groove (12412) through the clamping blocks (1231), and the clamping blocks (1231) and the clamping grooves (12413) are matched with each other.
8. The novel distribution line fault indicator of claim 1, further comprising: a circle of thin metal ring (1233) is arranged in the inner cavity of the inserting cylinder (123), the thin metal ring (1233) is fixedly arranged on the inner wall of the inserting cylinder (123), and the thin metal ring (1233) is a component made of red copper.
9. The novel distribution line fault indicator of claim 1, further comprising: the GPU module (21) is used for receiving the data processed by the CPU module (1216), starting multi-thread operation, keeping clock synchronization and transmitting the calculated data back to the CPU module (1216) by using the wireless communication module B (25), the time marking module (23) is used for carrying out time marking on the abnormal monitoring data and the waveform and synchronously transmitting the abnormal monitoring data and the waveform to the sensing module (1214) by using a wireless transmission mode, and the output end of the time marking module is connected with the sensing module (1214).
10. A method of implementing the novel distribution line fault indicator of any of claims 1-9, comprising the steps of:
s1: the fault indicator is installed and fixed on the outer side of a working cable, the current and voltage states of the line of each phase are independently monitored by using an acquisition unit (1213), and the current and voltage waveforms of the line are captured in time when the voltage or the current amount is disturbed, so that a basis is provided for fault analysis and rapid fault point positioning;
s2: the sensing module (1214) is used for timing the time of the three groups of acquisition modules in the group, and the timing synchronization module sends a clock synchronization command to the three groups of acquisition modules in the same group, so as to accurately measure the line current and record the wave at high speed;
s3: monitoring in real time by using a master station mechanism (2), comparing a preset normal waveform amplitude with a measured waveform, if the difference exists, starting an early warning module (1215) to perform sound-light alarm, and synchronously performing time identification on an abnormal monitoring waveform;
s4: the master station mechanism (2) is synchronously transmitted to the sensing module (1214) in a wireless transmission mode again, when the early warning module (1215) receives an alarm signal transmitted by the master station mechanism (2), the timer is started, and the light emitting diode flickers to realize acousto-optic alarm.
CN202011453891.8A 2020-12-12 2020-12-12 Novel distribution line fault indicator and implementation method Withdrawn CN112611941A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113671306A (en) * 2021-07-02 2021-11-19 韩金宝 High-voltage cable on-line monitoring system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113671306A (en) * 2021-07-02 2021-11-19 韩金宝 High-voltage cable on-line monitoring system

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