CN111579930B - Ground fault detection positioning device - Google Patents
Ground fault detection positioning device Download PDFInfo
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- CN111579930B CN111579930B CN202010458051.4A CN202010458051A CN111579930B CN 111579930 B CN111579930 B CN 111579930B CN 202010458051 A CN202010458051 A CN 202010458051A CN 111579930 B CN111579930 B CN 111579930B
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- 238000001514 detection method Methods 0.000 title claims abstract description 33
- 230000005540 biological transmission Effects 0.000 claims abstract description 73
- 230000007246 mechanism Effects 0.000 claims abstract description 50
- 230000005611 electricity Effects 0.000 description 5
- 230000009471 action Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000007665 sagging Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/08—Locating faults in cables, transmission lines, or networks
- G01R31/081—Locating faults in cables, transmission lines, or networks according to type of conductors
- G01R31/085—Locating faults in cables, transmission lines, or networks according to type of conductors in power transmission or distribution lines, e.g. overhead
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
- G01R31/52—Testing for short-circuits, leakage current or ground faults
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- Locating Faults (AREA)
Abstract
The invention discloses a ground fault detection positioning device, which comprises a first fixing plate and a second fixing plate, wherein the cross sections of the first fixing plate and the second fixing plate are semi-annular, a plurality of aligned through holes are formed in the surface of the first fixing plate, a shell aligned with the through holes is arranged on the outer periphery of the first fixing plate, a first electric telescopic rod is arranged inside the shell, the telescopic end of the first electric telescopic rod is fixedly connected with the second fixing plate, clamping mechanisms are arranged on the inner peripheries of the first fixing plate and the second fixing plate, a circle of guide rail is arranged on the outer peripheries of the first fixing plate and the second fixing plate, a plurality of linear motors are arranged on the guide rail, a second electric telescopic rod is arranged on the linear motors, a hanging mechanism is arranged at the telescopic end of the second electric telescopic rod, driving mechanisms are arranged on the first fixing plate and the second fixing plate, a detection mechanism for detecting fault points of a power transmission line is arranged on the first fixing plate, and the device can detect a plurality of power transmission lines, the power transmission lines in different directions can be moved according to requirements, and detection of different power transmission lines is achieved.
Description
Technical Field
The invention relates to a power transmission line fault detection device, in particular to a ground fault detection positioning device.
Background
The conventional power transmission line fault detection device outputs a pulsating direct current signal to a fault line of a transmitter, and current flows through the fault line and flows into the ground at a fault point. The sensor is hung on a detected line, detects the current on the line and transmits the acquired signal to the receiver in a wireless mode. The receiver passes through the signal that wireless mode received sensor sent, visual display measured data on the LCD screen, before the fault point, the electric current continuously exists, behind the fault point, the electric current disappears, the fault point is looked for according to the electric current change, realize fault location's function, but when in actual use, because the power transmission line is not only single power transmission line on, consequently need manual operation to change the power transmission line that detects, it is too troublesome to use, and also can not switch to different power transmission lines as required and detect.
Disclosure of Invention
The invention aims to solve the problem that a plurality of power transmission lines can be detected, and the power transmission lines can move to different power transmission line positions in different directions according to actual needs, so that the detection of different power transmission lines is realized.
The invention relates to a ground fault detection positioning device, which comprises a first fixing plate and a second fixing plate, wherein the cross sections of the first fixing plate and the second fixing plate are semi-annular, a plurality of aligned through holes are formed in the surface of the first fixing plate, a shell aligned with the through holes is arranged on the periphery of the first fixing plate, a first electric telescopic rod fixedly connected with the shell is arranged inside the shell, the telescopic end of the first electric telescopic rod is fixedly connected with the end part of the second fixing plate, clamping mechanisms are arranged on the inner peripheries of the first fixing plate and the second fixing plate, a circle of guide rail is arranged on the peripheries of the first fixing plate and the second fixing plate, a plurality of linear motors are arranged on the guide rail, a second electric telescopic rod is arranged on each linear motor, a hanging mechanism is arranged on the telescopic end of each second electric telescopic rod, driving mechanisms are arranged on the first fixing plate and the second fixing plate, and a detection mechanism for detecting a fault point of a power transmission line is arranged on the first fixing plate, first electric telescopic handle, linear electric motor, second electric telescopic handle and actuating mechanism all are connected with external power supply electricity, first electric telescopic handle, linear electric motor, second electric telescopic handle and actuating mechanism all control through external signal.
Furthermore, the clamping mechanism comprises a plurality of pressing plates with elasticity, and the pressing plates are fixedly connected with the inner walls of the two sides of the first fixing plate and the second fixing plate respectively.
Further, articulate the mechanism and include that the cross-section is first fixture block and second fixture block of semi-annular, be equipped with fixed connection's dead lever on second electric telescopic handle's the flexible end, it is adjacent on the second electric telescopic handle the dead lever orientation is opposite, first fixture block and one of them on the second electric telescopic handle dead lever fixed connection, second fixture block and another on the second electric telescopic handle dead lever fixed connection, first fixture block with the second fixture block is reverse setting.
Furthermore, actuating mechanism includes a plurality of bracing pieces, be equipped with driving motor on the bracing piece, one of them the bracing piece with first fixed plate fixed connection, another the bracing piece with second fixed plate fixed connection, driving motor's output is equipped with the wheel, driving motor is connected with external power supply electricity.
Further, detection mechanism includes first current sensor, second current sensor, transmitter and receiver, be equipped with branch on the first fixed plate, the other end of branch is equipped with first backup pad, first current sensor locates on the first backup pad, be equipped with third electric telescopic handle in the first backup pad, the flexible end of third electric telescopic handle is equipped with the second backup pad, be equipped with in the second backup pad second current sensor, the transmitter is connected with the power transmission line electricity, first current sensor and second current sensor respectively with receiver signal connection.
Further, the electric heating device further comprises a controller, wherein the controller is arranged on the inner side of the second fixing plate, the controller is in signal connection with the first electric telescopic rod, the second electric telescopic rod, the linear motor, the driving motor and the third electric telescopic rod respectively, and the controller is electrically connected with an external power supply.
Furthermore, a circle of groove is formed in the periphery of the wheel.
The invention has the beneficial effects that:
when the detection of the fault point is needed, the first fixing plate and the second fixing plate are used for enclosing the power transmission line, then the first electric telescopic rod is contracted to ensure that the distance between the first fixing plate and the second fixing plate is gradually reduced until the first fixing plate and the second fixing plate are fixed together, then the first power transmission line to be detected can be clamped through the clamping mechanism, the shaking is reduced, because the power transmission lines on the power transmission line are generally uniformly distributed, the hanging mechanism can be hung on the other power transmission line above the fixed power transmission line through the extension of the second electric telescopic rod, so that the device can be effectively stabilized, and then the fault point detection can be carried out on the power transmission line in the fixed state through the matching of the detection mechanism and the driving mechanism, when different power transmission lines need to be detected, the second electric telescopic rod contracts and is separated from the hooked power transmission line, the linear motor is controlled to move on the guide rail through an external control signal, when the linear motor moves to a proper angle, the hooking mechanism can be hooked on another power transmission line above the power transmission line to be detected through the extension of the second electric telescopic rod, then the first fixing plate and the second fixing plate are separated from each other and are separated from the first detected power transmission line through the extension of the first electric telescopic rod, the second electric telescopic rod can be in a sagging state on another power transmission line above the power transmission line to be detected under the action of gravity, then the power transmission line to be detected can be clamped through the matching of the first fixing plate, the second fixing plate and the first electric telescopic rod, and then the power transmission line to be detected is clamped through the clamping mechanism, the situation that rocks appears in the reduction takes place, then at this moment, then can be through detection mechanism with actuating mechanism's cooperation carries out the detection of fault point to being in the power transmission line under the fixed state, through the use of this device, can detect the power transmission line that is located different positions, and can switch to different power transmission lines according to actual need in addition, not only can carry out the switching of power transmission line in the vertical direction, can also face the not equidirectional orientation of going on to switch to different power transmission lines and carry out detection achievement, effectively improved detection efficiency and flexibility of use.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only preferred embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive exercise.
FIG. 1 is a perspective view of a first view of a ground fault detection and positioning apparatus of the present invention;
FIG. 2 is a perspective view of a second view of a ground fault detection and positioning device of the present invention;
fig. 3 is a perspective view of a third view of a ground fault detection and positioning device of the present invention.
In the drawing, 1 is a first fixing plate, 2 is a second fixing plate, 3 is a through hole, 4 is a housing, 5 is a first electric telescopic rod, 6 is a guide rail, 7 is a linear motor, 8 is a second electric telescopic rod, 9 is a pressing plate, 10 is a second supporting plate, 11 is a controller, 12 is a groove, 13 is a first fixture block, 14 is a second fixture block, 15 is a fixing rod, 16 is a supporting rod, 17 is a driving motor, 18 is a wheel, 19 is a first current sensor, 20 is a second current sensor, 21 is a transmitter, 22 is a receiver, 23 is a supporting rod, 24 is a first supporting plate, and 25 is a third electric telescopic rod.
Detailed Description
In order to better understand the technical content of the invention, specific embodiments are provided below, and the invention is further described with reference to the accompanying drawings.
Referring to fig. 1 to 3, the ground fault detection positioning device of the present invention includes a first fixing plate 1 and a second fixing plate 2, both of which have semi-annular cross sections, a plurality of aligned through holes 3 are formed on a surface of the first fixing plate 1, a housing 4 aligned with the through holes 3 is formed on an outer periphery of the first fixing plate 1, a first electric telescopic rod 5 fixedly connected to the housing 4 is arranged inside the housing 4, a telescopic end of the first electric telescopic rod 5 is fixedly connected to an end of the second fixing plate 2, clamping mechanisms are formed on inner peripheries of the first fixing plate 1 and the second fixing plate 2, a circle of guide rail 6 is formed on outer peripheries of the first fixing plate 1 and the second fixing plate 2, a plurality of linear motors 7 are arranged on the guide rail 6, a second electric telescopic rod 8 is arranged on the linear motors 7, and a hanging mechanism is arranged on a telescopic end of the second electric telescopic rod 8, the first fixing plate 1 and the second fixing plate 2 are respectively provided with a driving mechanism, the first fixing plate 1 is provided with a detection mechanism for detecting a fault point of the power transmission line, the first electric telescopic rod 5, the linear motor 7, the second electric telescopic rod 8 and the driving mechanism are electrically connected with an external power supply, the first electric telescopic rod 5, the linear motor 7, the second electric telescopic rod 8 and the driving mechanism are all controlled by external signals, when the fault point is required to be detected, the first fixing plate 1 and the second fixing plate 2 enclose the power transmission line, then the first electric telescopic rod 5 is contracted to gradually reduce the distance between the first fixing plate 1 and the second fixing plate 2 until the first fixing plate 1 and the second fixing plate 2 are fixed together, and then the first power transmission line to be detected can be clamped through the clamping mechanism, the occurrence of shaking is reduced, because the power transmission lines on the power transmission lines are generally uniformly distributed, the hanging mechanism can be hung on another power transmission line above the power transmission line in a fixed state through the extension of the second electric telescopic rod 8, so that the device can be effectively stabilized, then the power transmission line in the fixed state can be detected at a fault point through the matching of the detection mechanism and the driving mechanism, when different power transmission lines need to be detected, the second electric telescopic rod 8 is contracted and separated from the hung power transmission line, the linear motor 7 is controlled to move on the guide rail 6 through an external control signal, and when the power transmission line moves to a proper angle, the hanging mechanism can be hung on another power transmission line above the power transmission line to be detected through the extension of the second electric telescopic rod 8, then, the first fixing plate 1 and the second fixing plate 2 are separated from each other and separated from a first detected power transmission line by means of extension of the first electric telescopic rod 5, the second electric telescopic rod 8 is in a sagging state on another power transmission line above the power transmission line to be detected due to gravity, then the power transmission line to be detected can be clamped by means of cooperation of the first fixing plate 1, the second fixing plate 2 and the first electric telescopic rod 5, then the power transmission line to be detected is clamped by means of the clamping mechanism, so that the occurrence of shaking is reduced, at the moment, fault points of the power transmission line in the fixed state can be detected by means of cooperation of the detection mechanism and the driving mechanism, through the use of the device, the power transmission lines at different positions can be detected, and the power transmission line can be switched to different power transmission lines according to actual needs, not only can carry out the switching of power transmission line in vertical direction, can also carry out the orientation and switch to different power transmission lines and carry out detection achievement towards not equidirectional, effectively improved detection efficiency and flexibility of use.
Specifically, chucking mechanism includes a plurality of elastic clamp plates 9 of area, clamp plate 9 respectively with first fixed plate 1 and the both sides inner wall fixed connection of second fixed plate 2, through clamp plate 9's effect is followed as the power transmission line first fixed plate 1 and when breach between the second fixed plate 2 entered, can pass through clamp plate 9 blocks the power transmission line comparatively stably.
Specifically, the hanging mechanism includes a first fixture block 13 and a second fixture block 14, the cross section of which is semi-annular, a fixing rod 15 is provided at the telescopic end of the second electric telescopic rod 8, the fixing rods 15 of the adjacent second electric telescopic rods 8 are opposite in direction, the first fixture block 13 is fixedly connected to the fixing rod 15 of one of the second electric telescopic rods 8, the second fixture block 14 is fixedly connected to the fixing rod 15 of the other second electric telescopic rod 8, the first fixture block 13 and the second fixture block 14 are arranged in opposite directions, when hanging work is required, the second electric telescopic rod 8 of one of the linear motors 7 extends to separate the first fixture block 13 from the power transmission line, and then one of the linear motors 7 moves on the guide rail 6, when the linear motor 7 moves to a proper position, the first clamping block 13 can be hung on a power transmission line through the extension of the second electric telescopic rod 8, then the other linear motor 7 moves on the guide rail 6 to the side surface of one linear motor 7, then the second electric telescopic rod 8 on the other linear motor 7 extends, so that the power transmission line can be clamped through the second clamping block 14 to the first clamping block 13, and meanwhile, the second clamping block 14 is matched with the first clamping block 13, so that the occurrence of slipping of the device is avoided.
Specifically, actuating mechanism includes a plurality of bracing pieces 16, be equipped with driving motor 17 on the bracing piece 16, one of them bracing piece 16 with 1 fixed connection of first fixed plate, another bracing piece 16 with 2 fixed connection of second fixed plate, driving motor 17's output is equipped with wheel 18, driving motor 17 is connected with external power supply electricity, through driving motor 17 and wheel 18's cooperation, can make this device come and go back the motion on the power transmission line to conveniently adjust the detection position.
Specifically, the detection mechanism includes a first current sensor 19, a second current sensor 20, a transmitter 21 and a receiver 22, a support rod 23 is disposed on the first fixing plate 1, a first support plate 24 is disposed at the other end of the support rod 23, the first current sensor 19 is disposed on the first support plate 24, a third electric telescopic rod 25 is disposed on the first support plate 24, a second support plate 10 is disposed at the telescopic end of the third electric telescopic rod 25, the second current sensor 20 is disposed on the second support plate 10, the transmitter 21 is electrically connected to the power transmission line, the first current sensor 19 and the second current sensor 20 are respectively in signal connection with the receiver 22, and the power transmission line in a fixed state can be detected for a fault point through the cooperation of the first current sensor 19, the first support plate 24, and the receiver 22 of the transmitter 21, and through the cooperation of first backup pad 24, third electric telescopic handle 25, second backup pad 10 and second current sensor 20, then can carry out the detection of fault point to the power transmission line that articulates.
Specifically, still include controller 11, controller 11 is located 2 inboards of second fixed plate, controller 11 is connected with first electric telescopic handle 5, second electric telescopic handle 8, linear electric motor 7, driving motor 17 and third electric telescopic handle 25 signal respectively, controller 11 is connected with external power supply electricity, through controller 11's control effect can make this device degree of automation higher, and work efficiency is higher.
Specifically, the periphery of the wheel 18 is provided with a circle of grooves 12, and the power transmission line can be effectively clamped through the action of the grooves 12.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (7)
1. A ground fault detection positioning device is characterized by comprising a first fixing plate and a second fixing plate, wherein the cross sections of the first fixing plate and the second fixing plate are semi-annular, a plurality of aligned through holes are formed in the surface of the first fixing plate, a shell is arranged on the periphery of the first fixing plate and aligned with the through holes, a first electric telescopic rod fixedly connected with the shell is arranged inside the shell, the telescopic end of the first electric telescopic rod is fixedly connected with the end portion of the second fixing plate, clamping mechanisms are arranged on the inner peripheries of the first fixing plate and the second fixing plate, a circle of guide rail is arranged on the peripheries of the first fixing plate and the second fixing plate, a plurality of linear motors are arranged on the guide rail, a second electric telescopic rod is arranged on each linear motor, a hanging mechanism is arranged on the telescopic end of each second electric telescopic rod, and driving mechanisms are arranged on the first fixing plate and the second fixing plate, the detection mechanism for detecting the fault point of the power transmission line is arranged on the first fixing plate, the first electric telescopic rod, the linear motor, the second electric telescopic rod and the driving mechanism are all electrically connected with an external power supply, and the first electric telescopic rod, the linear motor, the second electric telescopic rod and the driving mechanism are all controlled through external signals.
2. The device as claimed in claim 1, wherein the clamping mechanism comprises a plurality of elastic pressing plates, and the pressing plates are fixedly connected to the inner walls of the first fixing plate and the second fixing plate.
3. The device as claimed in claim 1, wherein the hooking mechanism includes a first clamping block and a second clamping block with semi-circular cross-sections, the telescopic end of the second electric telescopic rod is provided with a fixing rod fixedly connected thereto, the fixing rods of the adjacent second electric telescopic rods are opposite in orientation, the first clamping block is fixedly connected to the fixing rod of one of the second electric telescopic rods, the second clamping block is fixedly connected to the fixing rod of the other one of the second electric telescopic rods, and the first clamping block and the second clamping block are opposite in orientation.
4. The device as claimed in claim 1, wherein the driving mechanism comprises a plurality of support rods, the support rods are provided with driving motors, one of the support rods is fixedly connected with the first fixing plate, the other support rod is fixedly connected with the second fixing plate, the output end of the driving motor is provided with wheels, and the driving motor is electrically connected with an external power supply.
5. The device as claimed in claim 1, wherein the detecting mechanism comprises a first current sensor, a second current sensor, a transmitter and a receiver, a supporting rod is disposed on the first fixing plate, a first supporting plate is disposed at the other end of the supporting rod, the first current sensor is disposed on the first supporting plate, a third electric telescopic rod is disposed on the first supporting plate, a second supporting plate is disposed at the telescopic end of the third electric telescopic rod, the second current sensor is disposed on the second supporting plate, the transmitter is electrically connected to the power transmission line, and the first current sensor and the second current sensor are respectively in signal connection with the receiver.
6. The ground fault detecting and positioning device of claim 5, further comprising a controller, wherein the controller is disposed inside the second fixing plate, the controller is in signal connection with the first electric telescopic rod, the second electric telescopic rod, the linear motor, the driving motor and the third electric telescopic rod, and the controller is electrically connected with an external power source.
7. The device of claim 4, wherein the wheel has a circumferential groove formed in the outer circumference thereof.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010458051.4A CN111579930B (en) | 2020-05-27 | 2020-05-27 | Ground fault detection positioning device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010458051.4A CN111579930B (en) | 2020-05-27 | 2020-05-27 | Ground fault detection positioning device |
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| CN111579930A CN111579930A (en) | 2020-08-25 |
| CN111579930B true CN111579930B (en) | 2022-04-19 |
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| CN202010458051.4A Active CN111579930B (en) | 2020-05-27 | 2020-05-27 | Ground fault detection positioning device |
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| CN115825810B (en) * | 2023-02-24 | 2023-04-18 | 国网辽宁省电力有限公司 | Low-current ground fault detection device for power system |
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| KR19990086928A (en) * | 1998-05-30 | 1999-12-15 | 이종수 | Elevator Door Opening Device Using Linear Motor |
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Effective date of registration: 20210511 Address after: 570100 room 499, 4 / F, China (Hainan) Haoda national innovation and entrepreneurship incubation base, No. 35 Haisheng Road, Xiuying street, Xiuying District, Haikou City, Hainan Province Applicant after: Innovative power technology (Hainan) Co.,Ltd. Address before: 570100 room 1402, building 1, Nanguo center, No.10, Yongchang South Road, Qiongshan District, Haikou City, Hainan Province Applicant before: Hainan YiDianTong Technology Co.,Ltd. |
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