CN112130030A - Power distribution network line fault positioning method and device - Google Patents

Power distribution network line fault positioning method and device Download PDF

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Publication number
CN112130030A
CN112130030A CN202011210566.9A CN202011210566A CN112130030A CN 112130030 A CN112130030 A CN 112130030A CN 202011210566 A CN202011210566 A CN 202011210566A CN 112130030 A CN112130030 A CN 112130030A
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CN
China
Prior art keywords
fault
distribution network
network line
fixing
power distribution
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202011210566.9A
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Chinese (zh)
Inventor
任善荣
蒋鸿
段志博
吴美红
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Nanjing Dingzhen Automation Science & Technology Co ltd
Original Assignee
Nanjing Dingzhen Automation Science & Technology Co ltd
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Application filed by Nanjing Dingzhen Automation Science & Technology Co ltd filed Critical Nanjing Dingzhen Automation Science & Technology Co ltd
Priority to CN202011210566.9A priority Critical patent/CN112130030A/en
Publication of CN112130030A publication Critical patent/CN112130030A/en
Pending legal-status Critical Current

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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
    • G01R31/086Locating faults in cables, transmission lines, or networks according to type of conductors in power transmission or distribution networks, i.e. with interconnected conductors
    • 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
    • G01R1/0408Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Locating Faults (AREA)

Abstract

The invention belongs to the technical field of power distribution network line fault monitoring, and particularly discloses a power distribution network line fault positioning method and device, which comprise the following steps: install N fault monitoring equipment on the circuit, if the distribution network line in breaks down, gather the parameter information on all fault monitoring equipment, according to parameter information, judge the fault type, and fix a position the fault point in the distribution network line, be convenient for restore the circuit, furthermore, fault monitoring equipment installs and dismantles conveniently, and then make things convenient for the later stage to carry out maintenance to fault monitoring equipment, guarantee fault monitoring equipment's normal operating, be favorable to fixing a position the trouble, and fault monitoring equipment can install on the circuit of different specifications, and is flexible to use, and convenient.

Description

Power distribution network line fault positioning method and device
Technical Field
The invention relates to the technical field of power distribution network line fault monitoring, in particular to a power distribution network line fault positioning method and device.
Background
Power distribution systems are often threatened by faults that may result in a power outage. To improve the operational quality and reliability of the power distribution system, system operators must deal with faults in a timely manner. Therefore, after an accident occurs, it is vital to accurately position the fault in time and quickly clear the fault, so that quick repair can be realized; the existing power distribution network line fault positioning device is complex in disassembly and assembly, inconvenient to maintain and repair, further influences the normal operation of equipment, and is not beneficial to positioning faults.
Disclosure of Invention
The invention aims to provide a method and a device for positioning a power distribution network line fault so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a power distribution network line fault positioning method comprises the following steps:
the method comprises the following steps: installing N fault monitoring devices on a line;
step two: if a fault occurs in a power distribution network line, acquiring parameter information on all fault monitoring equipment;
step three: and judging the fault type according to the parameter information, and positioning the fault point in the power distribution network line.
Preferably, the parameter information includes a fault phase, a time when a fault reaches all fault monitoring devices, and fault traveling wave data.
Preferably, N in the first step is a natural number not less than 2.
The invention also provides a power distribution network line fault positioning device which comprises fault monitoring equipment, wherein the fault monitoring equipment comprises a shell, a processor, a radar detector, a current and voltage collector and a fault alarm; the processor and the current and voltage collector are both arranged in the shell, the radar detector is fixedly arranged at the bottom of the shell, and the fault alarm is arranged on one side of the shell; the top of the shell is provided with a lower arc-shaped groove, an upper arc-shaped pressing plate is arranged above the lower arc-shaped groove, and rubber layers are laid on the top of the lower arc-shaped groove and the bottom of the lower arc-shaped pressing plate; the two sides of the upper arc-shaped pressing plate are fixedly connected with mounting plates, and the bottom of each mounting plate is fixedly connected with a fixing plate through a fixing bolt; and the top of the shell is symmetrically provided with fixing components for fixedly connecting the fixing plates.
Preferably, the radar detector is electrically connected with the processor, and is used for acquiring the spacing distance between the power distribution network line fault monitoring equipment and the target obstacle and sending the spacing distance to the processor.
Preferably, the current and voltage collector is electrically connected with the processor, and is used for acquiring the fault judgment information of the monitored line and sending the fault judgment information to the processor.
Preferably, the fault alarm is electrically connected with the processor and used for giving an alarm under the action of the processor when determining that the monitored line has a fault.
Preferably, the fixing assembly comprises a fixing barrel, one side of the fixing barrel is provided with a mounting groove communicated with the inside of the fixing barrel, the other side of the fixing barrel is provided with adjusting holes in an array mode, a T-shaped inserting plate movably penetrates through the adjusting holes, and the top of the T-shaped inserting plate arranged in the mounting groove is provided with a connecting hole; a T-shaped sliding rod movably penetrates through the top of the fixed cylinder, a connecting plate is fixedly connected to the bottom end of the T-shaped sliding rod, a spring is fixedly connected between the connecting plate and the inner wall of the top of the fixed cylinder, and the spring is movably sleeved outside the T-shaped sliding rod; and the bottom of the connecting plate is fixedly connected with a connecting rod at the corresponding position of the connecting hole, and the connecting rod is matched with the connecting hole.
Preferably, the fixing plate is arranged in the mounting groove and is in sliding connection with the inner wall of the mounting groove, a slot is formed in one side, away from the mounting plate, of the fixing plate, and the slot is arranged corresponding to and matched with the T-shaped inserting plate; the top of the fixing plate is provided with a through hole at the position corresponding to the connecting hole, and the inner diameter of the through hole is consistent with that of the connecting hole.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the fault monitoring equipment is arranged on the line, if the power distribution network line has a fault, the parameter information of all the fault monitoring equipment is collected, the fault type can be rapidly judged according to the parameter information, and the fault point in the power distribution network line is positioned, so that the line can be conveniently repaired.
2. When the fault monitoring equipment is installed, a circuit is arranged in the lower arc-shaped groove, the upper arc-shaped pressing plate is pressed at the top of the circuit, the upper arc-shaped pressing plate is fixedly connected with the fixed plate through the fixing bolt, the fixed plate can be fixedly connected with the fixed cylinder through the matching of the T-shaped inserting plate and the inserting groove, the matching of the connecting rod and the connecting hole and the through hole, and the upper arc-shaped pressing plate can be further fixed at the top of the circuit.
Drawings
FIG. 1 is a flow chart of a method of the present invention;
FIG. 2 is a schematic diagram of the fault monitoring apparatus of the present invention;
FIG. 3 is a partially enlarged schematic view of FIG. 2;
fig. 4 is a schematic structural view of the fixed cylinder of fig. 2.
In the figure: 1. a housing; 2. a processor; 3. a radar detector; 4. a current and voltage collector; 5. a fault alarm; 6. a lower arc-shaped groove; 7. an upper arc-shaped pressing plate; 8. mounting a plate; 9. a fixing plate; 10. a fixed cylinder; 11. mounting grooves; 12. an adjustment hole; 13. a T-shaped plug board; 14. connecting holes; 15. a T-shaped slide bar; 16. a connecting plate; 17. a spring; 18. a connecting rod; 19. a slot; 20. perforating; 21. and (5) fixing the bolt.
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.
In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Referring to fig. 1-4, the present invention provides a technical solution: a method and a device for positioning a power distribution network line fault comprise the following steps:
the method comprises the following steps: installing N fault monitoring devices on a line;
step two: if a fault occurs in a power distribution network line, acquiring parameter information on all fault monitoring equipment;
step three: and judging the fault type according to the parameter information, and positioning the fault point in the power distribution network line.
Further, the parameter information includes a fault phase, a time when the fault reaches all fault monitoring devices, and fault traveling wave data.
Further, N in the first step is a natural number greater than or equal to 2.
The invention also provides a power distribution network line fault positioning device which comprises fault monitoring equipment, wherein the fault monitoring equipment comprises a shell 1, a processor 2, a radar detector 3, a current and voltage collector 4 and a fault alarm 5; the processor 2 and the current and voltage collector 4 are both arranged in the shell 1, the radar detector 3 is fixedly arranged at the bottom of the shell 1, and the fault alarm 5 is arranged on one side of the shell 1; a lower arc-shaped groove 6 is formed in the top of the shell 1, an upper arc-shaped pressing plate 7 is arranged above the lower arc-shaped groove 6, and rubber layers are laid on the top of the lower arc-shaped groove 6 and the bottom of the lower arc-shaped pressing plate 7; mounting plates 8 are fixedly connected to two sides of the upper arc-shaped pressing plate 7, and fixing plates 9 are fixedly connected to the bottoms of the mounting plates 8 through fixing bolts 21; and fixing components for fixedly connecting the fixing plates 9 are symmetrically arranged at the top of the shell 1.
Further, radar detector 3 and processor 2 electric connection for obtain the interval distance between distribution network line fault monitoring equipment and the target obstacle, and send to processor 2.
Further, the current and voltage collector 4 is electrically connected to the processor 2, and is configured to obtain fault determination information of the monitored line, and send the fault determination information to the processor 2.
Further, fault alarm 5 and processor 2 electric connection for when confirming that there is the trouble by the monitoring line, send out the police dispatch newspaper under processor 2's effect.
Further, the fixing assembly comprises a fixing barrel 10, one side of the fixing barrel 10 is provided with a mounting groove 11 communicated with the inside of the fixing barrel 10, the other side of the fixing barrel 10 is provided with adjusting holes 12 in an array mode, a T-shaped inserting plate 13 penetrates through the adjusting holes 12 in a movable mode, and the top of the T-shaped inserting plate 13 arranged inside the mounting groove 11 is provided with a connecting hole 14; a T-shaped sliding rod 15 movably penetrates through the top of the fixed cylinder 10, a connecting plate 16 is fixedly connected to the bottom end of the T-shaped sliding rod 15, a spring 17 is fixedly connected between the connecting plate 16 and the inner wall of the top of the fixed cylinder 10, and the spring 17 is movably sleeved outside the T-shaped sliding rod 15; a connecting rod 18 is fixedly connected to the bottom of the connecting plate 16 corresponding to the connecting hole 14, and the connecting rod 18 is matched with the connecting hole 14.
Further, the fixing plate 9 is arranged in the mounting groove 11 and is connected with the inner wall of the mounting groove 11 in a sliding manner, a slot 19 is formed in one side, away from the mounting plate 8, of the fixing plate 9, and the slot 19 is arranged corresponding to and matched with the T-shaped inserting plate 13; the top of the fixing plate 9 is provided with a through hole 20 at the position corresponding to the connecting hole 14, and the inner diameter of the through hole 20 is consistent with that of the connecting hole 14.
The working principle is as follows: according to the invention, the fault monitoring equipment is arranged on the line, if the power distribution network line has a fault, the parameter information of all the fault monitoring equipment is collected, the fault type can be rapidly judged according to the parameter information, and the fault point in the power distribution network line is positioned, so that the line can be maintained conveniently.
When the fault monitoring equipment is installed, a circuit is arranged in the lower arc-shaped groove 6, the upper arc-shaped pressing plate 7 is pressed at the top of the circuit, then the installation plate 8 is fixedly connected with the fixing plate 9 through the fixing bolt 21, the fixing plate 9 is arranged in the installation groove 11, the T-shaped inserting plate 13 is inserted into the adjusting hole 12 corresponding to the fixing plate 9 and the T-shaped inserting plate 13 is embedded into the slot 19 on the fixing plate 9, the connecting rod 18 penetrates through the through hole 20 to be embedded and connected with the connecting hole 14 under the elastic force of the spring 17, the fixing plate 9 can be fixedly connected with the fixing cylinder 10, and the upper arc-shaped pressing plate 7 can be further fixed at the top of the circuit; the T-shaped inserting plate 13 can be inserted into the adjusting holes 12 with different heights to be connected with the inserting groove 19, so that the fault monitoring equipment can be installed on lines with different specifications, and the use is flexible.
It is worth noting that: the whole device realizes control over the device through the master control button, and the device matched with the control button is common equipment, belongs to the existing mature technology, and is not repeated for the electrical connection relation and the specific circuit structure.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (9)

1. A power distribution network line fault positioning method is characterized by comprising the following steps:
the method comprises the following steps: installing N fault monitoring devices on a line;
step two: if a fault occurs in a power distribution network line, acquiring parameter information on all fault monitoring equipment;
step three: and judging the fault type according to the parameter information, and positioning the fault point in the power distribution network line.
2. The method for locating the line fault of the power distribution network according to claim 1, wherein: the parameter information comprises fault phase, time when the fault reaches all fault monitoring equipment and fault traveling wave data.
3. The method for locating the line fault of the power distribution network according to claim 1, wherein: n in the first step is a natural number which is more than or equal to 2.
4. The distribution network line fault locating device according to any one of claims 1-3, characterized by comprising fault monitoring equipment, wherein the fault monitoring equipment comprises a shell (1), a processor (2), a radar detector (3), a current and voltage collector (4) and a fault alarm (5); the processor (2) and the current and voltage collector (4) are both arranged in the shell (1), the radar detector (3) is fixedly arranged at the bottom of the shell (1), and the fault alarm (5) is arranged on one side of the shell (1); a lower arc-shaped groove (6) is formed in the top of the shell (1), an upper arc-shaped pressing plate (7) is arranged above the lower arc-shaped groove (6), and rubber layers are laid on the top of the lower arc-shaped groove (6) and the bottom of the lower arc-shaped pressing plate (7); mounting plates (8) are fixedly connected to two sides of the upper arc-shaped pressing plate (7), and fixing plates (9) are fixedly connected to the bottoms of the mounting plates (8) through fixing bolts (21); and fixing components for fixedly connecting the fixing plates (9) are symmetrically arranged at the top of the shell (1).
5. The distribution network line fault locating device of claim 4, wherein: the radar detector (3) is electrically connected with the processor (2) and used for obtaining the spacing distance between the power distribution network line fault monitoring equipment and the target obstacle and sending the spacing distance to the processor (2).
6. The distribution network line fault locating device of claim 4, wherein: the current and voltage collector (4) is electrically connected with the processor (2) and used for acquiring fault judgment information of the monitored line and sending the fault judgment information to the processor (2).
7. A distribution network line fault location device of claim 4, characterized in that: fault alarm ware (5) and treater (2) electric connection for when confirming that there is the trouble by the monitoring line, send out the police dispatch newspaper under the effect of treater (2).
8. The distribution network line fault locating device of claim 4, wherein: the fixing assembly comprises a fixing barrel (10), one side of the fixing barrel (10) is provided with a mounting groove (11) communicated with the inside of the fixing barrel (10), the other side of the fixing barrel is provided with adjusting holes (12) in an array mode, T-shaped inserting plates (13) penetrate through the adjusting holes (12) movably, and connecting holes (14) are formed in the tops of the T-shaped inserting plates (13) arranged in the mounting groove (11); a T-shaped sliding rod (15) movably penetrates through the top of the fixed cylinder (10), a connecting plate (16) is fixedly connected to the bottom end of the T-shaped sliding rod (15), a spring (17) is fixedly connected between the connecting plate (16) and the inner wall of the top of the fixed cylinder (10), and the spring (17) is movably sleeved outside the T-shaped sliding rod (15); and a connecting rod (18) is fixedly connected to the bottom of the connecting plate (16) and the corresponding position of the connecting hole (14), and the connecting rod (18) is matched with the connecting hole (14).
9. The distribution network line fault locating device of claim 4, wherein: the fixing plate (9) is arranged in the mounting groove (11) and is in sliding connection with the inner wall of the mounting groove (11), a slot (19) is formed in one side, away from the mounting plate (8), of the fixing plate (9), and the slot (19) is arranged corresponding to and matched with the T-shaped inserting plate (13); the top of the fixing plate (9) is provided with a through hole (20) at the position corresponding to the connecting hole (14), and the inner diameters of the through hole (20) and the connecting hole (14) are consistent.
CN202011210566.9A 2020-11-03 2020-11-03 Power distribution network line fault positioning method and device Pending CN112130030A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011210566.9A CN112130030A (en) 2020-11-03 2020-11-03 Power distribution network line fault positioning method and device

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Application Number Priority Date Filing Date Title
CN202011210566.9A CN112130030A (en) 2020-11-03 2020-11-03 Power distribution network line fault positioning method and device

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CN112130030A true CN112130030A (en) 2020-12-25

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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3009220U (en) * 1994-09-20 1995-04-04 高山 陳 Telescopic rod
DE29720123U1 (en) * 1997-11-13 1998-01-02 Fanderl, Roland, 90763 Fürth Fastening device for a satellite receiving antenna, with an adjusting mechanism for different satellite positions, which enables universal alignment and simplifies operation
CN106370980A (en) * 2016-09-21 2017-02-01 北京三清互联科技有限公司 Power distribution network fault monitoring method and system
CN208921824U (en) * 2018-09-05 2019-05-31 武汉科瑞德电力科技有限公司 Distribution line resultant fault positioning device
CN110045235A (en) * 2019-03-26 2019-07-23 辽宁工程技术大学 A kind of fault electric arc monitoring device
CN110488159A (en) * 2019-09-19 2019-11-22 广东电网有限责任公司 A kind of application method of distribution O&M monitoring device
CN209821340U (en) * 2019-04-12 2019-12-20 中铁电气化局集团有限公司 Distribution lines fault monitoring equipment and system
CN210239191U (en) * 2019-05-16 2020-04-03 殷国威 Protective net convenient to install for construction

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3009220U (en) * 1994-09-20 1995-04-04 高山 陳 Telescopic rod
DE29720123U1 (en) * 1997-11-13 1998-01-02 Fanderl, Roland, 90763 Fürth Fastening device for a satellite receiving antenna, with an adjusting mechanism for different satellite positions, which enables universal alignment and simplifies operation
CN106370980A (en) * 2016-09-21 2017-02-01 北京三清互联科技有限公司 Power distribution network fault monitoring method and system
CN208921824U (en) * 2018-09-05 2019-05-31 武汉科瑞德电力科技有限公司 Distribution line resultant fault positioning device
CN110045235A (en) * 2019-03-26 2019-07-23 辽宁工程技术大学 A kind of fault electric arc monitoring device
CN209821340U (en) * 2019-04-12 2019-12-20 中铁电气化局集团有限公司 Distribution lines fault monitoring equipment and system
CN210239191U (en) * 2019-05-16 2020-04-03 殷国威 Protective net convenient to install for construction
CN110488159A (en) * 2019-09-19 2019-11-22 广东电网有限责任公司 A kind of application method of distribution O&M monitoring device

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Application publication date: 20201225