CN112067860B - Distribution lines fault locating device - Google Patents
Distribution lines fault locating device Download PDFInfo
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- CN112067860B CN112067860B CN202010929251.3A CN202010929251A CN112067860B CN 112067860 B CN112067860 B CN 112067860B CN 202010929251 A CN202010929251 A CN 202010929251A CN 112067860 B CN112067860 B CN 112067860B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
- G01R1/0408—Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R15/00—Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00, G01R33/00 - G01R33/26 or G01R35/00
- G01R15/14—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks
- G01R15/18—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using inductive devices, e.g. transformers
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/50—Systems or methods supporting the power network operation or management, involving a certain degree of interaction with the load-side end user applications
- Y04S10/52—Outage or fault management, e.g. fault detection or location
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- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Locating Faults (AREA)
Abstract
The invention relates to the technical field of power equipment and discloses a distribution line fault positioning device. The distribution line fault positioning device comprises a walking assembly, a pressing assembly and a detection unit. The walking assembly comprises guide wheels with adjustable intervals and driving wheels, and is used for clamping and sliding on the distribution line. The pressing assembly comprises a first pressing piece and a second pressing piece with adjustable intervals and is used for pressing the distribution line. The detection unit comprises a first detection branch and a second detection branch, the first detection branch is arranged on the first pressing piece, the second detection branch is arranged on the second pressing piece, and when the first pressing piece and the second pressing piece press the distribution line tightly, the first detection branch and the second detection branch can be closed to form a detection loop so as to detect whether the distribution line breaks down or not. The invention has simple structure and convenient assembly and disassembly, can be suitable for detecting distribution lines with different diameters, is convenient to adjust the installation position on the distribution lines, and is more time-saving and labor-saving.
Description
Technical Field
The invention relates to the technical field of power equipment, in particular to a distribution line fault positioning device.
Background
The requirements for automation and intellectualization of a power distribution network are higher and higher, and fault positioning devices for positioning and identifying faults of the power distribution network are widely applied, particularly overhead line type fault positioning devices are widely applied to weak links of network frames in rural areas, mountain areas and the like.
Present overhead line type fault locating device adopts the torsional spring fixed mostly, and when the installation, the last pressure frame of fault locating device compresses tightly the cable fixedly under the effect of torsional spring force, but along with the lapse of time, the elastic deformation ability of torsional spring can descend, and when strong wind weather, fault locating device can swing or slide on the cable, causes the unable accurate electrical parameter of measuring the cable operation of embedded sensor, seriously influences fault locating device's normal work. In addition, the existing fault locating device needs to be additionally provided with a special installation device besides the insulating rod, the installation device is heavy, and the weight of the fault locating device and the insulating rod is increased, so that the installation and the disassembly of the fault locating device are very laborious. Moreover, after the fault positioning device is installed on the line, if the installation position of the fault positioning device is not adjusted to be disassembled, the position of the fault positioning device is difficult to adjust.
Disclosure of Invention
Based on the above problems, the invention aims to provide a distribution line fault positioning device which is simple to disassemble and assemble, convenient to adjust the installation position on a distribution line and time-saving and labor-saving in operation.
In order to achieve the purpose, the invention adopts the following technical scheme:
a distribution line fault locating device, comprising:
the walking assembly comprises guide wheels with adjustable intervals and a driving wheel, and is used for clamping the distribution line and sliding on the distribution line;
the pressing assembly comprises a first pressing piece and a second pressing piece with adjustable intervals and is used for pressing the distribution line;
the detection unit comprises a first detection branch and a second detection branch, the first detection branch is arranged on the first pressing piece, the second detection branch is arranged on the second pressing piece, the first pressing piece and the second pressing piece are pressed tightly on the distribution line, the first detection branch and the second detection branch can be closed to form a detection loop, and therefore whether the distribution line breaks down or not is detected.
As a preferred embodiment of the distribution line fault locating device, the first compressing member and the second compressing member each include a connecting seat, a buffer plate, and an elastic member, the connecting seat and the buffer plate are arranged at an interval, the elastic member is clamped between the connecting seat and the buffer plate, and the first detecting branch or the second detecting branch is arranged on the connecting seat and can movably penetrate through the buffer plate.
As a preferred scheme of the distribution line fault positioning device, a limiting groove is formed in the connecting seat, a limiting boss is arranged on the buffer plate, and the limiting groove is in sliding fit with the limiting boss.
As a preferable scheme of the distribution line fault positioning device, one surface, back to the connecting seat, of the buffer plate is provided with an anti-skid pad.
As a preferred embodiment of the distribution line fault locating device of the present invention, the first detecting branch and the second detecting branch both include measuring CT semi-rings, the measuring CT semi-ring of the first detecting branch and the measuring CT semi-ring of the second detecting branch can be closed to form a measuring loop, and the measuring loop can detect the current in the distribution line through electromagnetic induction.
As a preferred scheme of the distribution line fault location device, the first detection branch and the second detection branch both further include a power-taking CT semi-ring, the power-taking CT semi-ring of the first detection branch and the power-taking CT semi-ring of the second detection branch can be closed to form a power-taking loop, and the power-taking loop can obtain electric energy in the distribution line through electromagnetic induction.
As a preferable scheme of the distribution line fault positioning device, the distribution line fault positioning device further comprises a base, a support rod is arranged on the base, the guide wheel is arranged on the support rod, a cantilever is arranged at one end of the support rod, which is far away from the base, and one end of the cantilever, which is far away from the support rod, is connected with the connecting seat of the first pressing piece.
As a preferable scheme of the distribution line fault locating device, the pressing assembly further includes a first driving member, and an output rod of the first driving member is connected with the connecting seat of the second pressing member, so as to adjust a distance between the first pressing member and the second pressing member.
As a preferred scheme of the distribution line fault location device, the distribution line fault location device further includes a wireless communication module, a control unit and an alarm module, the wireless communication module is configured to receive a user instruction and control the driving wheel and the second pressing member through the control unit, the control unit is capable of receiving and processing fault information detected by the detection circuit and sending an instruction to the alarm module, and the alarm module is configured to alarm.
As a preferable scheme of the distribution line fault positioning device, the traveling assembly further includes a second driving element, a third driving element and a ball screw pair, the second driving element and the driving wheel are mounted on a nut of the ball screw pair, the second driving element is used for driving the driving wheel to rotate, and the third driving element is used for driving a screw of the ball screw pair to rotate.
The invention has the beneficial effects that:
according to the distribution line fault positioning device, the distribution line is clamped through the guide wheel and the driving wheel, and the whole distribution line fault positioning device is driven to slide on the distribution line through the driving wheel in a rotating fit mode, so that the mounting position of the distribution line fault positioning device on the distribution line can be conveniently adjusted, and the maintenance operation efficiency is improved. Compress tightly the distribution lines through first piece and the second of compressing tightly, can guarantee distribution lines fault locating device's installation stability on distribution lines, prevent that distribution lines fault locating device from producing because of the environmental impact and rocking to the influence is to the testing result of distribution lines, in addition, because first piece and the second of compressing tightly compress tightly the interval adjustable of piece, so can be applicable to the distribution lines that detect the different diameters. The first detection branch is arranged on the first pressing piece, the second detection branch is arranged on the second pressing piece, the first detection branch and the second detection branch can be closed or opened by adjusting the distance between the first pressing piece and the second pressing piece, and the distribution line fault positioning device can be conveniently installed or detached by the split setting mode, so that the use is more convenient.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required to be used in the description of the embodiments of the present invention will be briefly described below, and it is obvious that the drawings in the description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings may be obtained according to the contents of the embodiments of the present invention and the drawings without creative efforts.
Fig. 1 is a schematic diagram of an overall structure of a distribution line fault locating device according to an embodiment of the present invention;
FIG. 2 is a side view of a running assembly (omitting guide wheels) of a distribution line fault locating device provided by an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a first pressing member of the distribution line fault location device according to the embodiment of the present invention.
In the figure:
1-a running assembly; 2-a compression assembly; 4-a base; 5-a wireless communication module; 6-a control unit; 7-alarm
A module; 8-a voltage sensor; 9-a pressure sensor;
11-a guide wheel; 12-a driving wheel; 13-a second drive member; 14-a third drive member; 15-ball screw pair;
151-nut; 152-a lead screw;
21-a first compression member; 22-a second compression member; 23-a first drive member;
211-a connecting seat; 212-a buffer plate; 213-an elastic member;
2111-limit groove; 2121-limit boss; 2122-non-slip mat;
31-a first detection branch;
311-measuring the CT half ring; 312-getting the half CT ring;
41-a support bar; 42-cantilever;
100-distribution line.
Detailed Description
In order to make the technical problems solved, technical solutions adopted and technical effects achieved by the present invention clearer, the technical solutions of the embodiments of the present invention will be described in further detail below with reference to the accompanying drawings, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all 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 "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Wherein the terms "first position" and "second position" are two different positions.
In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection or a removable connection; 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 in specific cases to those skilled in the art.
The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.
Example one
As shown in fig. 1 to 3, the present embodiment provides a distribution line fault locating device, which can be used for fault locating of a distribution line 100, and includes a traveling assembly 1, a pressing assembly 2, and a detection unit.
The running assembly 1 comprises guide wheels 11 and driving wheels 12 with adjustable spacing, and is used for clamping the distribution line 100 and sliding on the distribution line 100. The clamping assembly 2 includes first and second clamping members 21, 22 having adjustable spacing for clamping the distribution circuit 100. The detecting unit comprises a first detecting branch 31 and a second detecting branch, the first detecting branch 31 is arranged on the first pressing piece 21, the second detecting branch is arranged on the second pressing piece 22, and when the first pressing piece 21 and the second pressing piece 22 press the distribution line 100, the first detecting branch 31 and the second detecting branch can be closed to form a detecting loop so as to detect whether the distribution line 100 breaks down or not.
The distribution lines fault locating device that this embodiment provided presss from both sides tight distribution lines 100 through leading wheel 11 and action wheel 12, and rethread action wheel 12 normal running fit leading wheel 11 slides on distribution lines 100 in order to drive whole distribution lines fault locating device, can conveniently adjust the mounted position of distribution lines fault locating device on distribution lines 100, has improved maintenance operating efficiency. Compress tightly distribution lines 100 through first piece 21 and the second piece 22 of compressing tightly, can guarantee distribution lines fault locating device's installation stability on distribution lines 100, prevent that distribution lines fault locating device from producing because of the environmental impact and rocking to the influence is to distribution lines 100's testing result, in addition, because first piece 21 and the second piece 22 of compressing tightly interval is adjustable, so can be applicable to the distribution lines 100 that detect the different diameters. Through adjusting the interval that first compressing tightly piece 21 and second compressing tightly piece 22, can make first detection branch 31 and second detection branch closed or the disconnection, this kind of components of a whole that can function independently setting mode can conveniently install or dismantle distribution lines fault locating device, and it is more convenient to use.
As shown in fig. 3, optionally, each of the first pressing member 21 and the second pressing member 22 includes a connection seat 211, a buffer plate 212, and an elastic member 213, the connection seat 211 and the buffer plate 212 are disposed at an interval, the elastic member 213 is clamped between the connection seat 211 and the buffer plate 212, and the first detecting branch 31 or the second detecting branch is disposed on the connection seat 211 and can movably penetrate through the buffer plate 212. The elastic member 213 is disposed between the connecting socket 211 and the buffer plate 212, so that when the second pressing member 22 moves toward the first pressing member 21 and presses the distribution line 100, the impact force applied to the first pressing member 21 and the second pressing member 22 can be buffered, and the first detecting branch 31 and the second detecting branch are prevented from being damaged due to collision when contacting. For convenience, in this embodiment, the elastic member 213 may be a spring. Because first detection branch 31 or second detection branch set up on connecting seat 211 to can the activity run through buffer board 212, consequently, two tip of first detection branch 31 and two tip of second detection branch can pass buffer board 212 respectively and correspond the contact, form the detection return circuit, and then detect whether distribution lines 100 is out of order, compress tightly the interval between the piece 22 through adjusting first piece 21 and the second, can be applicable to the distribution lines 100 that detect different diameters. The first pressing member 21 is further provided with a voltage sensor 8, and the voltage sensor 8 detects a voltage value in the distribution line 100, which is the prior art and is not described herein again.
Optionally, a limiting groove 2111 is provided on the connecting seat 211, a limiting boss 2121 is provided on the buffer plate 212, and the limiting groove 2111 is in sliding fit with the limiting boss 2121. Through the sliding fit of the limiting groove 2111 and the limiting boss 2121, it can be ensured that in the process of compressing the distribution line 100 by the first compressing member 21 and the second compressing member 22, the buffer plate 212 can only move in the direction perpendicular to the distribution line 100, so as to avoid the dislocation of the connecting seat 211 and the buffer plate 212.
In order to prevent the buffer plate 212 from slipping when the distribution line 100 is pressed, a non-slip pad 2122 is optionally provided on the side of the buffer plate 212 facing away from the connecting socket 211. Through slipmat 2122 and the contact of distribution lines 100 for first piece 21 and the second piece 22 of compressing tightly can compress tightly distribution lines 100, guarantees distribution lines fault locating device's installation stability on distribution lines 100, prevents that distribution lines fault locating device from producing and rocks, has guaranteed the accuracy of testing result. In this embodiment, for convenience of material selection, the anti-slip pad 2122 may be made of rubber pads, and is respectively adhered to the buffer plates 212 of the first pressing member 21 and the second pressing member 22.
In order to facilitate the installation and the removal of the fault location device for the distribution line, as shown in fig. 3, optionally, the first detection branch 31 and the second detection branch each include a measurement CT semi-ring 311, the measurement CT semi-ring 311 of the first detection branch 31 and the measurement CT semi-ring 311 of the second detection branch can be closed to form a measurement loop, and the measurement loop can detect the current in the distribution line 100 through electromagnetic induction. The Current Transformer is a CT, and is called as Current Transformer, and can convert a primary Current with a large value into a secondary Current with a small value through a certain transformation ratio for protection, measurement, and the like. The measurement CT half loop 311 of the first detection branch 31 and the measurement CT half loop 311 of the second detection branch are closed to form a measurement loop, so that the current in the distribution line 100 can be conveniently measured. Furthermore, the measuring circuit can be closed or opened by adjusting the distance between the first pressing piece 21 and the second pressing piece 22, and the distribution line fault positioning device can be conveniently installed or detached by adopting the split arrangement mode, so that the use is more convenient.
As shown in fig. 1, optionally, the distribution line fault location device further includes a base 4, a support rod 41 is disposed on the base 4, the guide wheel 11 is disposed on the support rod 41, a cantilever 42 is disposed at an end of the support rod 41 away from the base 4, and an end of the cantilever 42 away from the support rod 41 is connected to the connection seat 211 of the first pressing member 21. Cantilever 42 is the L type in this embodiment, fixes first pressure piece 21 and leading wheel 11 respectively on base 4 through bracing piece 41 and cantilever 42, when installation distribution lines fault locating device, adopts the insulator spindle to catch on cantilever 42, just can hold up distribution lines fault locating device and hang on distribution lines 100, because the action of gravity, first pressure piece 21 and the pressure-equalizing of leading wheel 11 are on distribution lines 100, thereby ensure that distribution lines fault locating device can be stable hang on distribution lines 100. The arrangement mode enables the distribution line fault positioning device to be more time-saving and labor-saving in installation and disassembly, and reduces the labor intensity of maintenance operators. Even if the distribution line 100 is far away from the ground or in a special environment, the electric line fault positioning device can be conveniently installed or detached, so that the application range of the distribution line fault positioning device is wider.
Optionally, the pressing assembly 2 further includes a first driving member 23, and an output rod of the first driving member 23 is connected with the connecting seat 211 of the second pressing member 22 to adjust the distance between the first pressing member 21 and the second pressing member 22. As shown in fig. 1, in the present embodiment, the first driving member 23 may be an air cylinder, and the second pressing member 22 is pushed by the output rod of the first driving member 23 to move toward the first pressing member 21 and press the distribution line 100. Be provided with pressure sensor 9 on the cylinder, can real-time detection pressure in the cylinder through pressure sensor 9 to feed back the pressure value that detects to the control unit 6, the control unit 6 adjusts the motion of cylinder output pole according to the pressure value adaptability that detects, and then adjusts distribution lines 100's the degree that compresses tightly. In other embodiments, the first driving element 23 may also be an electric cylinder, and an output rod of the electric cylinder pushes the second pressing element 22 to approach or separate from the first pressing element 21, so as to adjust the distance between the first pressing element 21 and the second pressing element 22.
As shown in fig. 1, optionally, the distribution line fault location device further includes a wireless communication module 5, a control unit 6, and an alarm module 7, where the wireless communication module 5 is configured to receive a user instruction and control the driving wheel 12 and the second pressing member 22 through the control unit 6, the control unit 6 is capable of receiving and processing fault information detected by the detection circuit and sending the instruction to the alarm module 7, and the alarm module 7 is configured to alarm. In this embodiment, the wireless communication module 5 supports WiFi and LoRa communication, and the mobile phone is connected to the wireless communication module 5 to transmit the user's instruction, and then the control unit 6 controls the driving wheel 12 and the second pressing member 22, so as to adjust the installation position of the distribution line fault location device on the distribution line 100, and clamp the distribution line 100 and perform fault detection. When the second pressing member 22 and the first pressing member 21 press the distribution line 100 tightly, the measurement CT half ring 311 of the first detection branch 31 and the measurement CT half ring 311 of the second detection branch are closed to form a measurement loop, the current of the distribution line 100 is detected, the detected current value is received and processed by the control unit 6, and when the current value is detected to be abnormal, an instruction is sent to the alarm module 7.
As shown in fig. 1 and 2, the running assembly 1 further comprises a second driving member 13, a third driving member 14 and a ball screw pair 15, wherein the second driving member 13 and the driving wheel 12 are mounted on a nut 151 of the ball screw pair 15, the second driving member 13 is used for driving the driving wheel 12 to rotate, and the third driving member 14 is used for driving a screw 152 of the ball screw pair 15 to rotate. Since the second driving member 13 and the driving pulley 12 are mounted on the nut 151 of the ball screw pair 15, the third driving member 14 drives the screw 152 of the ball screw pair 15 to rotate, so that the nut 151 of the ball screw pair 15 can be lifted and lowered together with the second driving member 13 and the driving pulley 12, and the distance between the driving pulley 12 and the guide wheel 11 can be conveniently adjusted to clamp the distribution line 100. When action wheel 12 and leading wheel 11 press from both sides tight distribution lines 100, through the rotation of second driving piece 13 drive action wheel 12, cooperation leading wheel 11 slides on distribution lines 100 in order to drive whole distribution lines fault locating device, can conveniently adjust the mounted position of distribution lines fault locating device on distribution lines 100, has improved maintenance operating efficiency. In this embodiment, the second driving member 13 and the third driving member 14 may be motors, and the second driving member 13 and the third driving member 14 are not specifically limited as long as the driving wheel 12 can be driven to move up and down and slide on the distribution line 100.
When carrying out fault location detection to distribution lines 100, at first, utilize the insulator spindle to catch on cantilever 42, hold up distribution lines fault location device, and place on distribution lines 100, because the action of gravity, first pressure equipment 21 and leading wheel 11 voltage-sharing are on distribution lines 100, the user passes through the cell-phone and is connected with wireless communication module 5, send instruction to the control unit 6, control third driving piece 14 drive ball screw pair 15's lead screw 152 rotates, thereby ball screw pair 15's nut 151 moves to the direction that is close to leading wheel 11 together with second driving piece 13 and action wheel 12, so that action wheel 12 and leading wheel 11 press from both sides distribution lines 100 tightly. Secondly, the control unit 6 controls the second driving part 13 to drive the driving wheel 12 to rotate, and further, the control unit 6 is matched with the guide wheel 11 to drive the whole distribution line fault positioning device to slide on the distribution line 100, when the distribution line fault positioning device slides to a preset position, the control unit 6 controls the output rod of the first driving part 23 to push the second pressing part 22 to move towards the first pressing part 21, and the first pressing part 21 and the second pressing part 22 are enabled to press the distribution line 100. At this time, the measurement CT half loop 311 of the first detection branch 31 and the measurement CT half loop 311 of the second detection branch are closed to form a measurement loop, the measurement loop detects the current in the distribution line 100 by electromagnetic induction, and the detected current value is received and processed via the control unit 6. If the detected current value is normal, the user sends an instruction to the control unit 6 through the wireless communication module 5 to control the output rod of the first driving part 23 to drive the second pressing part 22 to be away from the first pressing part 21, so that the first pressing part 21 and the second pressing part 22 loosen the distribution line 100, then the second driving part 13 is controlled to drive the driving wheel 12 to rotate, and the guide wheel 11 is matched to drive the whole distribution line fault positioning device to slide on the distribution line 100 to a next preset position. And repeating the detection steps until the current value is detected to be abnormal, and sending an instruction to the alarm module 7 by the control unit 6 to indicate the fault position, so that the overhaul is facilitated for overhaul personnel.
Example two
As shown in fig. 3, the present embodiment provides a distribution line fault location device, wherein the same or corresponding components as or to the first embodiment are denoted by the same reference numerals as the first embodiment. For simplicity, only the difference between the second embodiment and the first embodiment will be described, in which optionally, the first detection branch 31 and the second detection branch each further include a power-taking CT half-loop 312, the power-taking CT half-loop 312 of the first detection branch 31 and the power-taking CT half-loop 312 of the second detection branch can be closed to form a power-taking loop, and the power-taking loop can obtain the electric energy in the distribution line 100 through electromagnetic induction. By adopting the design mode of separating electricity taking and measurement, the contradiction that the current transformer needs to supply power for the distribution line fault positioning device and detect the fault of the distribution line 100 is avoided, so that the electricity taking and the measurement are completed by different current transformers, the contradiction between induction electricity taking and the measurement is effectively solved, and the measurement precision can be improved while the normal work of the distribution line fault positioning device is ensured.
It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments illustrated herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.
Claims (9)
1. A distribution line fault locating device, comprising:
the walking assembly (1) comprises guide wheels (11) with adjustable intervals and driving wheels (12) and is used for clamping the distribution line (100) and enabling the walking assembly to slide on the distribution line (100);
the pressing assembly (2) comprises a first pressing piece (21) and a second pressing piece (22) with adjustable intervals and is used for pressing the distribution circuit (100);
the detection unit comprises a first detection branch (31) and a second detection branch, the first detection branch (31) is arranged on the first pressing piece (21), the second detection branch is arranged on the second pressing piece (22), and when the first pressing piece (21) and the second pressing piece (22) press the distribution line (100), the first detection branch (31) and the second detection branch can be closed to form a detection loop so as to detect whether the distribution line (100) breaks down or not;
the first pressing piece (21) and the second pressing piece (22) comprise connecting seats (211), buffer plates (212) and elastic pieces (213), the connecting seats (211) and the buffer plates (212) are arranged at intervals, the elastic pieces (213) are clamped between the connecting seats (211) and the buffer plates (212), and the first detection branch (31) or the second detection branch is arranged on the connecting seats (211) and can movably penetrate through the buffer plates (212).
2. The distribution line fault location device of claim 1, wherein the connecting base (211) is provided with a limiting groove (2111), the buffer plate (212) is provided with a limiting boss (2121), and the limiting groove (2111) is in sliding fit with the limiting boss (2121).
3. The distribution line fault locating device of claim 2, wherein a side of the buffer plate (212) facing away from the connecting socket (211) is provided with a non-slip pad (2122).
4. A fault location device for a distribution line according to claim 1, characterized in that the first detection branch (31) and the second detection branch each comprise a measurement CT semi-ring (311), the measurement CT semi-ring (311) of the first detection branch (31) being able to close with the measurement CT semi-ring (311) of the second detection branch to form a measurement circuit able to detect the current in the distribution line (100) by electromagnetic induction.
5. The distribution line fault locating device according to claim 4, wherein each of the first detecting branch (31) and the second detecting branch further comprises a power-taking CT half-ring (312), the power-taking CT half-ring (312) of the first detecting branch (31) and the power-taking CT half-ring (312) of the second detecting branch can be closed to form a power-taking loop, and the power-taking loop can obtain the electric energy in the distribution line (100) through electromagnetic induction.
6. The distribution line fault location device according to claim 1, further comprising a base (4), wherein a support rod (41) is disposed on the base (4), the guide wheel (11) is disposed on the support rod (41), a cantilever (42) is disposed at an end of the support rod (41) far away from the base (4), and an end of the cantilever (42) far away from the support rod (41) is connected to the connection seat (211) of the first pressing member (21).
7. The distribution line fault locating device of claim 1, wherein the hold-down assembly (2) further comprises a first actuating member (23), an output lever of the first actuating member (23) being connected to a connecting base (211) of the second hold-down member (22) to adjust a spacing between the first hold-down member (21) and the second hold-down member (22).
8. The distribution line fault location device according to claim 1, further comprising a wireless communication module (5), a control unit (6) and an alarm module (7), wherein the wireless communication module (5) is configured to receive a user command and control the driving wheel (12) and the second pressing member (22) through the control unit (6), the control unit (6) is configured to receive and process fault information detected by the detection circuit and send a command to the alarm module (7), and the alarm module (7) is configured to alarm.
9. A distribution line fault location device according to any one of claims 1-8, characterized in that the running assembly (1) further comprises a second driving element (13), a third driving element (14) and a ball screw pair (15), the second driving element (13) and the driving wheel (12) being mounted on a nut (151) of the ball screw pair (15), the second driving element (13) being adapted to drive the driving wheel (12) in rotation, and the third driving element (14) being adapted to drive a screw (152) of the ball screw pair (15) in rotation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010929251.3A CN112067860B (en) | 2020-09-07 | 2020-09-07 | Distribution lines fault locating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010929251.3A CN112067860B (en) | 2020-09-07 | 2020-09-07 | Distribution lines fault locating device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112067860A CN112067860A (en) | 2020-12-11 |
| CN112067860B true CN112067860B (en) | 2023-02-10 |
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| CN202010929251.3A Active CN112067860B (en) | 2020-09-07 | 2020-09-07 | Distribution lines fault locating device |
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| CN202837475U (en) * | 2012-10-10 | 2013-03-27 | 广东北江开关厂有限公司 | Fault indicator of distribution line |
| CN103311857B (en) * | 2013-05-27 | 2016-04-13 | 上海焕葆电气有限公司 | A kind of cable incoming-outgoing linear sealing of switchgear assembly, fixture |
| CN207037004U (en) * | 2017-05-15 | 2018-02-23 | 北京科锐配电自动化股份有限公司 | A kind of electric power line fault indicator |
| CN108445345B (en) * | 2018-03-30 | 2020-08-04 | 贵州首为电线电缆有限公司 | Household cable safety monitoring device |
| CN208224414U (en) * | 2018-05-16 | 2018-12-11 | 广西电网有限责任公司钦州供电局 | A kind of distribution line failure inspection device |
| CN208224415U (en) * | 2018-05-16 | 2018-12-11 | 广西电网有限责任公司钦州供电局 | A kind of distribution line failure positioning device |
| CN108749742A (en) * | 2018-05-30 | 2018-11-06 | 芜湖博创新能源科技有限公司 | A kind of new-energy automobile high-voltage wiring harness fixing bracket |
| CN110907745A (en) * | 2018-09-14 | 2020-03-24 | 北京映翰通网络技术股份有限公司 | Distribution network fault indicator |
| CN210323243U (en) * | 2019-05-22 | 2020-04-14 | 云南电网有限责任公司西双版纳供电局 | Fault indicator with built-in double coils |
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