CN110824233A - Power transmission line power failure operation pre-reverse-prevention power supply continuous electricity testing device - Google Patents
Power transmission line power failure operation pre-reverse-prevention power supply continuous electricity testing device Download PDFInfo
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- CN110824233A CN110824233A CN201911266485.8A CN201911266485A CN110824233A CN 110824233 A CN110824233 A CN 110824233A CN 201911266485 A CN201911266485 A CN 201911266485A CN 110824233 A CN110824233 A CN 110824233A
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- electricity
- aerial vehicle
- unmanned aerial
- transmission line
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/145—Indicating the presence of current or voltage
- G01R19/155—Indicating the presence of voltage
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C27/00—Rotorcraft; Rotors peculiar thereto
- B64C27/04—Helicopters
- B64C27/08—Helicopters with two or more rotors
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENTS OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D47/00—Equipment not otherwise provided for
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64U—UNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
- B64U10/00—Type of UAV
- B64U10/10—Rotorcrafts
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/02—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64U—UNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
- B64U2101/00—UAVs specially adapted for particular uses or applications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64U—UNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
- B64U2201/00—UAVs characterised by their flight controls
- B64U2201/20—Remote controls
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- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Remote Sensing (AREA)
- Locating Faults (AREA)
Abstract
The invention discloses a power transmission line power failure operation prevention inverse power supply continuous electricity testing device which comprises a multi-rotor unmanned aerial vehicle and an electricity tester head, wherein a suspension bracket and a hydraulic telescopic rod are arranged; hang support and hydraulic telescoping rod all through the power cord certainly many rotor unmanned aerial vehicle power source, through the external communication interface remote control of many rotor unmanned aerial vehicle hydraulic telescoping rod rotates and hydraulic telescoping rod's extension or shrink. The continuous electricity testing device is used for continuously testing the electricity of the power transmission line, has the advantages of safety, rapidness, high efficiency and the like, enables the electricity testing link before the maintenance operation of the power transmission line to be simple and easy to operate, thoroughly eliminates the high falling risk of personnel who test the line but do not have a voltage link, and reduces the anti-power supply electric shock risk of personnel who install a grounding wire.
Description
Technical Field
The invention relates to the field of unmanned aerial vehicle application and engineering machinery, in particular to a reverse power supply prevention continuous electricity testing device for power failure operation of a power transmission line.
Background
The power-off maintenance operation of the power transmission line is roughly divided into nine links including preparation before work, electricity testing, grounding wire installation, work permission, an operation process, grounding wire removal, field clearing and evacuation, work closed loop and post-work summary analysis, wherein the four links including electricity testing, wire installation, operation process and grounding wire removal have the possibility of back power supply damage due to the operation of directly contacting the electrical part of the equipment. The current measures for preventing back-powering are mainly effective contact between the ground wire and the line. In four possible links with reverse power supply damage, only the overhaul operation process is carried out under effective ground wire protection, and the processes of electricity testing and ground wire assembly and disassembly have the risk of electric shock of personnel during reverse power supply due to reasons such as operation violation, so that 2-4 hours before and after operation is called as the time dead angle for preventing reverse power supply.
At present, the high-voltage electroscope of an electric power enterprise generally adopts a telescopic high-voltage electroscope, and has the following defects: the length of the telescopic rod is limited, and electricity testing personnel can test electricity only by climbing to the position where the telescopic rod can reach the lead, so that the working efficiency is low; if need carry out and continuously test the electricity, test the electrician and must hold the telescopic link for a long time, test the electrician physical power, the negligence condition appears in the inevitable, has great potential safety hazard.
Unmanned aerial vehicle is the very fast new technology and the new product of developing in recent years, all obtains a lot of applications in each trade, if can be with characteristics such as unmanned aerial vehicle stable hover, easy and simple to handle be applied to transmission line power failure maintenance operation, realize unmanned aerial vehicle and carry on the electroscope and continue the electroscope before all earth connections are hung well, can avoid installing the incident that causes because the anti-power supply during the earth connection.
Disclosure of Invention
The invention aims to solve the technical problem of providing a safe and convenient continuous electricity testing device for preventing reverse power supply in power failure operation of a power transmission line, so as to solve the safety problem and the problem that electricity testing cannot be continuously carried out due to the fact that an electricity testing person is too close to a lead in the traditional electricity testing mode.
In order to solve the technical problems, the power transmission line power failure operation pre-reverse-prevention power supply continuous electricity testing device comprises a multi-rotor unmanned aerial vehicle and an electricity tester head, wherein a suspension bracket and a hydraulic telescopic rod are arranged; hang support and hydraulic telescoping rod and all get the electricity from many rotor unmanned aerial vehicle's power source through the power cord, through the external communication interface remote control of many rotor unmanned aerial vehicle hydraulic telescoping rod rotates and hydraulic telescoping rod extension or shrink.
Further, the suspension bracket comprises a base and a bracket arm, wherein the base is connected with the multi-rotor unmanned aerial vehicle; the front ends of the support arms are symmetrically provided with rotating shaft fixing plates, and the middle parts of the rotating shaft fixing plates are provided with rotating shafts; the hydraulic telescopic rod is sleeved on the rotating shaft through a lantern ring at the bottom of the cylinder body.
Furthermore, an I-shaped hanging frame is arranged at the front end of a piston of the hydraulic telescopic rod, an annular hanging ring is hung on a crosspiece of the hanging frame, and the lower end of the annular hanging ring is connected with the electroscope head.
Furthermore, two wedge-shaped baffles are symmetrically arranged at the bottom of the cylinder body of the hydraulic telescopic rod, the lantern ring is sleeved on the rotating shaft, and the wedge-shaped baffles are positioned on the front side and the rear side of the rotating shaft.
Furthermore, the inner diameter of the annular hanging ring is larger than the diameter of the crosspiece, and the bottom end of the annular hanging ring is provided with threads which are in threaded connection with the electroscope head.
The rotating shaft and the hydraulic telescopic rod on the bracket arm are powered from a power interface of the multi-rotor unmanned aerial vehicle through power lines, and the rotation of the rotating shaft and the extension or contraction of the hydraulic telescopic rod are remotely controlled through an external communication interface of the multi-rotor unmanned aerial vehicle; the hydraulic telescopic rod is fixed on a rotating shaft of the support arm through a sleeve ring in a tight sleeved mode, the arrangement of symmetrical wedge-shaped baffles at the bottom of a cylinder body of the hydraulic telescopic rod enables the rotating shaft to be controlled to drive the hydraulic telescopic rod to rotate in a pendulum mode below a horizontal line, and the hydraulic telescopic rod can conduct electricity testing at a horizontal position or a downward vertical position. The front end of the hydraulic telescopic rod is hung with an annular hanging ring, the electroscope head is connected with the annular hanging ring, the inner diameter of the annular hanging ring is larger than the diameter of the hanging shaft, the annular hanging ring is in a loose state, the electroscope head is guaranteed to keep a vertical position, and the electroscope is convenient to be in contact with a line for electroscope.
When the induction electroscope head is used, according to different line voltage grades of power failure operation of a power transmission line, the induction electroscope head corresponding to the voltage grades is selected, and the induction electroscope head is connected to the annular hanging ring of the hydraulic telescopic rod through threads; near remote control unmanned aerial vehicle flies to testing the electric wire, through remote operation, makes hydraulic telescoping rod extend completely and make hydraulic telescoping rod present vertical state or horizontality, will respond to the electroscope head and be close to the wire gradually, can test the electricity. If the electroscope head approaches the lead and reaches the effective distance of induction electroscopy of the corresponding voltage grade, even if the electroscope head does not send out an alarm under the condition of contacting the lead, the lead is not electrified; if the induction electroscope head gives out sound and light alarm, the wire is electrified, the maintenance operation should be stopped, the power failure is waited, and the power failure maintenance operation can be carried out when the electricity is tested again and no alarm is given.
Remote control unmanned aerial vehicle lasts to hover near the wire, makes the response electroscope continuously keep in testing the electric distance, can realize continuously testing the electricity.
The invention has the beneficial effects that: the invention has the advantages of safety, rapidness, high efficiency and the like, the electricity testing link before the maintenance operation of the power transmission line becomes simple and easy to operate, the high falling risk of personnel who find the line but have no voltage link is thoroughly avoided, the risk of reverse power supply and electric shock of personnel installing a grounding wire is reduced, the safety of the power grid power failure operating personnel is effectively ensured, the operating risk is reduced, the occurrence of accidents is reduced, and the adverse social influence caused by safety production accidents is avoided.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the suspension bracket;
FIG. 3 is a schematic view of the construction of the suspension bracket (left side view);
FIG. 4 is a schematic structural view of the hydraulic telescopic rod;
FIG. 5 is a schematic structural diagram of the annular hanging ring;
FIG. 6 is a schematic structural view of the hanger;
FIG. 7 is a schematic view of the connection between the annular hanging ring and the hanging rack;
FIG. 8 is a schematic diagram of the continuous electroscopic device for horizontal electroscopic;
fig. 9 is a schematic view illustrating the continuous electroscopic device used for vertical electroscopic.
Detailed Description
The present invention is further described in detail below with reference to the drawings and examples so that the advantages and features of the present invention can be more readily understood by those skilled in the art, and thus the scope of the present invention is more clearly and clearly defined.
The continuous electricity testing device for preventing reverse power supply in advance during power failure operation of the power transmission line comprises a multi-rotor unmanned aerial vehicle 14 and an electricity tester head 3, wherein a suspension bracket 1 and a hydraulic telescopic rod 2 are arranged, the upper end of the suspension bracket 1 is connected with the multi-rotor unmanned aerial vehicle 14, the lower end of the suspension bracket 1 is connected with the hydraulic telescopic rod 2, and the electricity tester head 3 is suspended at the front end of the hydraulic telescopic rod 2; hang support 1 and hydraulic telescoping rod 2 and all get the electricity from many rotor unmanned aerial vehicle 14's power source through the power cord, through the external communication interface remote control of many rotor unmanned aerial vehicle hydraulic telescoping rod 2 rotates and hydraulic telescoping rod 2 extends or contracts.
Further, the suspension bracket 1 comprises a base 4 and a bracket arm 5, wherein the base 4 is connected with the multi-rotor unmanned aerial vehicle; the front ends of the support arms 5 are symmetrically provided with rotating shaft fixing plates 6, and the middle parts of the rotating shaft fixing plates 6 are provided with rotating shafts 13; the hydraulic telescopic rod 2 is sleeved on the rotating shaft 13 through a lantern ring 7 at the bottom of the cylinder body.
Furthermore, an I-shaped hanging rack 12 is arranged at the front end of a piston 9 of the hydraulic telescopic rod 2, an annular hanging ring 10 is hung on a crosspiece 11 of the hanging rack 12, and the lower end of the annular hanging ring 10 is connected with the electroscope head 3.
Furthermore, two wedge-shaped baffles 8 are symmetrically arranged at the bottom of the cylinder body of the hydraulic telescopic rod 2, the lantern ring 7 is sleeved on the rotating shaft 13, and the wedge-shaped baffles 8 are positioned on the front side and the rear side of the rotating shaft 13.
Further, the inner diameter of the annular hanging ring 10 is larger than the diameter of the crosspiece 11, and the bottom end of the annular hanging ring 10 is provided with threads which are in threaded connection with the electroscope head 3.
Example (b): the suspension bracket 1 is installed on the body of the multi-rotor unmanned aerial vehicle 14. The base 4 and the support arm 5 are made of carbon fiber materials, so that the device is flexible and light; a rotating shaft 13 is arranged in the middle of the rotating shaft fixing plate 6 at the front end of the bracket arm 5; the hydraulic telescopic rod 2 is a three-section telescopic rod, the middle of the bottom of the cylinder body is provided with a lantern ring 7, two sides of the cylinder body are symmetrically provided with wedge-shaped baffles 8, the lantern ring 7 is tightly and firmly sleeved on the rotating shaft 13, and the two wedge-shaped baffles 8 are respectively positioned at the front side and the rear side of the rotating shaft 13; the rotating shaft 13 is powered from a power interface of the multi-rotor unmanned aerial vehicle 14 through a power line and remotely controlled to rotate through an external communication interface of the unmanned aerial vehicle, the rotating shaft 13 drives the hydraulic telescopic rod 2 to perform pendulum motion while rotating, when the hydraulic telescopic rod 2 swings 90 degrees leftwards or rightwards from right below (reaches a horizontal position), the wedge-shaped baffle 8 abuts against the bottom end of the bracket arm 5, so that the hydraulic telescopic rod is in a horizontal state when the rotating shaft 13 drives the hydraulic telescopic rod 2 to swing to the maximum extent, when the rotating shaft 13 does not swing (is in a suspension state), the hydraulic telescopic rod 2 is in a vertical state, the electricity testing device can complete electricity testing work only by the hydraulic telescopic rod in the horizontal or vertical state, and under the two conditions, the electricity tester head is suspended loosely, and electricity testing work is convenient; the hydraulic telescopic rod 2 is also powered from an unmanned aerial vehicle power interface through a power line and remotely controlled to extend or contract through an unmanned aerial vehicle external communication interface.
The continuous electricity testing device is mainly divided into two cases when used for testing electricity, and specific methods for testing electricity under different conditions are respectively described below.
The first embodiment is as follows: when the distance between the wire and the ground is less than 15 meters or obstacles such as trees, houses and the like exist nearby the wire, the vertical electricity testing mode is adopted to test electricity.
(1) According to different line voltage grades of power failure operation of the power transmission line, selecting an induction electroscope head 3 corresponding to the voltage grade, and connecting the electroscope head 3 with the lower end of the hanging ring 10 in a threaded manner and hanging the electroscope head 3 on the hydraulic telescopic rod 2; at this moment, the hydraulic telescopic rod 2 is in a contraction state, and the initial state of the hydraulic telescopic rod is kept at a horizontal position.
(2) Remote control unmanned aerial vehicle flies to test the electric wire top, and remote control hydraulic telescoping rod 2 extends completely, and operation suspension support 1's pivot 13 is rotatory, makes 2 downwardly rotating of hydraulic telescoping rod be the vertical state.
(3) Remotely controlling the unmanned aerial vehicle to enable the induction electroscope head 3 to gradually approach the lead to be within the induction electroscope effective distance of the corresponding voltage grade; if the electroscope head 3 is close to the lead and reaches the induction electroscopy effective distance of the corresponding voltage grade, even if the electroscope head 3 does not send an alarm under the condition of contacting the lead, judging that the lead is not electrified; if the electroscope head 3 gives an alarm, the wire is judged to be electrified, the maintenance operation is stopped at the moment, the power failure is waited for, and the power failure maintenance operation can be carried out when the electricity is tested again and no alarm is given.
Remote control unmanned aerial vehicle is fixed to be hovered near the wire continuously, makes electroscope 3 continuously keep in testing the electric distance, can realize continuously testing the electricity.
(4) After the electricity test is finished, the hydraulic telescopic rod is retracted through remote control, and the unmanned aerial vehicle returns to the ground; and (5) taking down the induction electroscope head to complete the work.
Example two: the wire is more than 15 meters apart from ground, and when near no obstacle of wire, remote control unmanned aerial vehicle flies to the wire outside, adopts the level to test the electric mode and tests the electricity.
The rotating shaft 13 of the suspension bracket 1 is operated by remote control to rotate, so that the hydraulic telescopic rod 2 is in a horizontal state; the remote control unmanned aerial vehicle makes response electroscope head 3 be close to the wire gradually and test the electricity in the response effective distance of testing the electricity of corresponding voltage class. The rest of the details are the same as the example I.
The induction electroscope can select a product capable of giving out an audible and visual alarm, so that the product can be conveniently heard or seen by ground or high-altitude operation personnel, the unmanned aerial vehicle control personnel align the lens of the camera with the unmanned aerial vehicle to the induction electroscope head in the operation process, if the electroscope gives out an optical alarm and continuously flickers, a corresponding image is transmitted back to the remote controller screen in real time, the control personnel can observe an optical alarm signal given out by the induction electroscope, and the electroscope result is more visually determined.
The above description is only a partial embodiment of the present invention, and the terms front, back, left, right and related terms are used for descriptive convenience and are not intended to limit the present invention, and all equivalent structures or equivalent flow transformations made by using the contents of the present specification and the drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (5)
1. The continuous electricity testing device for preventing reverse power supply during power failure operation of the power transmission line comprises a multi-rotor unmanned aerial vehicle (14) and an electricity tester head (3), and is characterized in that a suspension bracket (1) and a hydraulic telescopic rod (2) are arranged, the upper end of the suspension bracket (1) is connected with the multi-rotor unmanned aerial vehicle (14), the lower end of the suspension bracket is connected with the hydraulic telescopic rod (2), and the electricity tester head (3) is suspended at the front end of the hydraulic telescopic rod (2); hang support (1) and hydraulic telescoping rod (2) and all get the electricity through the power cord from the power source of many rotor unmanned aerial vehicle (14), through the remote control of the external communication interface of many rotor unmanned aerial vehicle hydraulic telescoping rod (2) are rotated and hydraulic telescoping rod (2) are extended or are shrunk.
2. The power transmission line power failure operation pre-reverse-prevention power supply continuous electricity testing device according to claim 1, wherein the suspension bracket (1) comprises a base (4) and a bracket arm (5), and the base (4) is connected with a multi-rotor unmanned aerial vehicle; the front end of the support arm (5) is symmetrically provided with a rotating shaft fixing plate (6), and the middle part of the rotating shaft fixing plate (6) is provided with a rotating shaft (13); the hydraulic telescopic rod (2) is sleeved on the rotating shaft (13) through a lantern ring (7) at the bottom of the cylinder body.
3. The anti-reverse power supply continuous electricity testing device in advance for power failure operation of the power transmission line according to claim 1 or 2, wherein an I-shaped hanging frame (12) is arranged at the front end of a piston (9) of the hydraulic telescopic rod (2), an annular hanging ring (10) is hung on a crosspiece (11) of the hanging frame (12), and the lower end of the annular hanging ring (10) is connected with the electricity tester head (3).
4. The anti-reverse power supply prevention continuous electricity testing device in power failure operation of the power transmission line according to claim 3, wherein two wedge-shaped baffles (8) are symmetrically arranged at the bottom of a cylinder body of the hydraulic telescopic rod (2), the lantern ring (7) is sleeved on the rotating shaft (13), and the wedge-shaped baffles (8) are positioned on the front side and the rear side of the rotating shaft (13).
5. The continuous electricity testing device for preventing reverse power supply in case of power failure operation of the power transmission line according to claim 4, wherein the inner diameter of the annular hanging ring (10) is larger than the diameter of the crosspiece (11), and the bottom end of the annular hanging ring (10) is provided with threads which are in threaded connection with the electricity tester head (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911266485.8A CN110824233A (en) | 2019-12-11 | 2019-12-11 | Power transmission line power failure operation pre-reverse-prevention power supply continuous electricity testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911266485.8A CN110824233A (en) | 2019-12-11 | 2019-12-11 | Power transmission line power failure operation pre-reverse-prevention power supply continuous electricity testing device |
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| CN110824233A true CN110824233A (en) | 2020-02-21 |
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| CN201911266485.8A Pending CN110824233A (en) | 2019-12-11 | 2019-12-11 | Power transmission line power failure operation pre-reverse-prevention power supply continuous electricity testing device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111857178A (en) * | 2020-07-22 | 2020-10-30 | 江苏中润工程建设咨询有限公司 | Unmanned aerial vehicle system for safety inspection of construction site of building construction |
| CN112550708A (en) * | 2020-12-10 | 2021-03-26 | 国网浙江省电力有限公司江山市供电公司 | Unmanned aerial vehicle tests electrical equipment |
| CN113619798A (en) * | 2021-07-12 | 2021-11-09 | 国网浙江省电力有限公司金华供电公司 | Carry and test electric installation on unmanned aerial vehicle |
| CN113702689A (en) * | 2021-08-11 | 2021-11-26 | 国网山东省电力公司长岛县供电公司 | Power transmission line power failure operation pre-reverse-prevention power supply continuous electricity testing device |
-
2019
- 2019-12-11 CN CN201911266485.8A patent/CN110824233A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111857178A (en) * | 2020-07-22 | 2020-10-30 | 江苏中润工程建设咨询有限公司 | Unmanned aerial vehicle system for safety inspection of construction site of building construction |
| CN112550708A (en) * | 2020-12-10 | 2021-03-26 | 国网浙江省电力有限公司江山市供电公司 | Unmanned aerial vehicle tests electrical equipment |
| CN113619798A (en) * | 2021-07-12 | 2021-11-09 | 国网浙江省电力有限公司金华供电公司 | Carry and test electric installation on unmanned aerial vehicle |
| CN113702689A (en) * | 2021-08-11 | 2021-11-26 | 国网山东省电力公司长岛县供电公司 | Power transmission line power failure operation pre-reverse-prevention power supply continuous electricity testing device |
| CN113702689B (en) * | 2021-08-11 | 2023-11-21 | 国网山东省电力公司长岛县供电公司 | Continuous electricity testing device for preventing reverse power supply in power outage operation of power transmission line |
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