CN114122997A - Adaptive insulation isolation device and one-side live maintenance method based on the device - Google Patents

Adaptive insulation isolation device and one-side live maintenance method based on the device Download PDF

Info

Publication number
CN114122997A
CN114122997A CN202111420137.9A CN202111420137A CN114122997A CN 114122997 A CN114122997 A CN 114122997A CN 202111420137 A CN202111420137 A CN 202111420137A CN 114122997 A CN114122997 A CN 114122997A
Authority
CN
China
Prior art keywords
insulating
distance
axis direction
voltage
support frame
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN202111420137.9A
Other languages
Chinese (zh)
Other versions
CN114122997B (en
Inventor
钱聪
陈超
冯新民
曹军
张佳剑
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Maintenance Branch of State Grid Jiangsu Electric Power Co Ltd
Original Assignee
Maintenance Branch of State Grid Jiangsu Electric Power Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Maintenance Branch of State Grid Jiangsu Electric Power Co Ltd filed Critical Maintenance Branch of State Grid Jiangsu Electric Power Co Ltd
Priority to CN202111420137.9A priority Critical patent/CN114122997B/en
Publication of CN114122997A publication Critical patent/CN114122997A/en
Application granted granted Critical
Publication of CN114122997B publication Critical patent/CN114122997B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02BBOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B3/00Apparatus specially adapted for the manufacture, assembly, or maintenance of boards or switchgear

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Power Engineering (AREA)
  • Train Traffic Observation, Control, And Security (AREA)

Abstract

自适应绝缘隔离装置及基于该装置的单侧带电检修方法,自适应绝缘隔离装置包括:绝缘隔板安装于可伸缩支撑架上,用于为作业人员提供绝缘隔离的作业区域;可移动底盘用于承载绝缘隔板,测距设备,可伸缩支撑架,直角坐标移动平台和主控器;测距设备安装于可伸缩支撑架顶部;可伸缩支撑架安装于直角坐标移动平台上,用于驱动调节绝缘隔板在水平面的垂直方向上的位置;直角坐标移动平台固定于可移动底盘上,用于驱动调节绝缘隔板在水平面x‑y方向上的位置;主控制器与测距设备相连接,用于直角坐标移动平台和可伸缩支撑架动作。本发明可以获得装置灵活部署、绝缘隔离防护区域自适应调整、单侧带电作业等优势。

Figure 202111420137

An adaptive insulation isolation device and a one-side live maintenance method based on the device, the adaptive insulation isolation device comprises: an insulating baffle is installed on a retractable support frame, and is used to provide an insulating and isolated working area for operators; a movable chassis is used for It is used to carry insulating partitions, distance measuring equipment, retractable support frame, rectangular coordinate mobile platform and main controller; the distance measuring equipment is installed on the top of the retractable support frame; the retractable support frame is installed on the rectangular coordinate mobile platform for driving Adjust the position of the insulating baffle in the vertical direction of the horizontal plane; the Cartesian coordinate mobile platform is fixed on the movable chassis, and is used to drive and adjust the position of the insulating baffle in the x-y direction of the horizontal plane; the main controller is connected with the distance measuring device , used for Cartesian coordinate moving platform and retractable support frame action. The invention can obtain the advantages of flexible deployment of the device, self-adaptive adjustment of the insulation isolation protection area, unilateral live work and the like.

Figure 202111420137

Description

Self-adaptive insulation isolation device and unilateral live-line maintenance method based on same
Technical Field
The invention belongs to the field of maintenance of high-voltage equipment, and particularly relates to a self-adaptive insulation isolation device and a high-voltage isolation switch single-side live maintenance method based on the same.
Background
The high-voltage isolating switch is important equipment in a transmission line, but is often influenced by severe environments such as wind, rain, snow, dirt, condensation, ice, frost and the like, so that the problems of equipment aging or damage and the like are easily caused. Therefore, the system needs to be overhauled conveniently and timely to guarantee the normal operation of the power grid system. However, in the conventional maintenance operation mode, the two ends of the high-voltage isolating switch need to be kept in a power-off state so as to ensure the safety of the operators in the high-voltage environment. The normal operation of the power grid is seriously influenced by the operation mode of power-off maintenance, and huge potential maintenance cost is caused.
Under the circumstances, how to realize a safety detection method under a single-side charged state becomes an important and urgent problem in the field of high-voltage isolating switch maintenance. At present, chinese patent with publication number CN102761066A proposes an insulation device for unilateral live overhaul of an isolating switch, which comprises an insulation board, a T-shaped caliper, a U-shaped cassette and an insulation rod, wherein an insulation board clamping groove is arranged at the top of a cross arm of the T-shaped caliper, the insulation board is movably clamped in the insulation board clamping groove, a connecting bolt is arranged on the U-shaped cassette, a bolt hole is arranged on a vertical rod of the T-shaped caliper, the connecting bolt is screwed in the bolt hole, a nut is arranged at the center of a bottom plate of the U-shaped cassette, a screw rod is arranged in the nut, and a top plate is arranged at the top end of the screw rod penetrating through the nut and entering into a U-shaped groove of the U-shaped cassette. The device can provide the insulating isolated operation region based on the insulation board, realizes isolator maintenance operation under unilateral electrified state. However, the conventional insulating device is fixedly installed for estimating the safe distance, cannot adaptively adjust the insulating isolation protection area during operation, cannot be moved in a portable mode, and is lack of perception of key external information such as the operation safe distance, the insulating position and the charged position.
Therefore, the high-voltage isolating switch detection method based on the device lacks the capability of coping with safety uncertainty and is difficult to adapt to the operation requirement of safe maintenance of the isolating switch under different voltage levels.
Disclosure of Invention
In order to solve the defects in the prior art, the invention aims to provide a self-adaptive insulation isolation device and a high-voltage isolating switch single-side live overhaul method based on the same. The safe maintenance method is based on the movable self-adjusting insulating isolation device, and can realize maintenance operation of the high-voltage isolation switch in a single-side electrified state.
The invention adopts the following technical scheme. A first aspect of the invention provides an adaptive insulating isolation device comprising: the device comprises an insulating partition plate, a movable chassis, distance measuring equipment, a telescopic support frame, a rectangular coordinate moving platform and a main controller;
the insulating partition plate is arranged on the telescopic support frame and used for providing an insulating and isolated operation area for operators;
the movable chassis is used for bearing the insulating partition plate, the distance measuring equipment, the telescopic support frame, the rectangular coordinate moving platform and the main controller;
the distance measuring equipment is arranged at the top of the telescopic support frame;
the telescopic support frame is arranged on the rectangular coordinate moving platform and used for driving and adjusting the position of the insulating partition plate in the vertical direction of the horizontal plane;
the rectangular coordinate moving platform is fixed on the movable chassis and used for driving and adjusting the position of the insulating partition plate in the x-y direction of the horizontal plane;
the main controller is connected with the distance measuring equipment and used for the rectangular coordinate moving platform and the telescopic support frame to act.
Preferably, the insulating spacer is made of FR4 epoxy resin and has a thickness of 6 mm, a length of 130 cm and a width of 60 cm.
Preferably, 4 universal wheels are installed on the movable chassis below the rectangular coordinate moving platform and used for the electric engineering vehicle to drag the whole self-adaptive insulating isolation device to a working site.
Preferably, the ranging apparatus is a lidar.
Preferably, the telescopic support frame is driven by a motor to adjust the position of the insulating partition plate in the vertical direction of the horizontal plane;
the rectangular coordinate moving platform is driven by a motor to adjust the position of the insulating partition plate in the x-y direction of the horizontal plane.
Preferably, the main controller can observe the relative position information among the insulating partition plate, the high-voltage isolating switch and the operator according to the laser radar, and automatically control the feeding of the rectangular coordinate moving platform in the x-y direction of the horizontal plane and the feeding of the telescopic support in the vertical direction.
The invention provides a unilateral live overhaul method based on the self-adaptive insulation isolation device, which is characterized by comprising the following steps of:
step 1, an isolating switch is switched to a brake-off position;
step 2, the single side of the isolating switch is powered off;
step 3, installing and initializing the movable self-adaptive insulation isolation device;
step 4, in the insulation isolation protection area, the disconnecting switch at the power-off end is overhauled, the distance measuring equipment 3 observes the positions of the insulation partition plate, the high-voltage disconnecting switch and the operating personnel in real time, an alarm is sent out when the distance is smaller than the safe distance, the position of the insulation partition plate is adaptively adjusted when the distance is larger than the safe distance, and the overhauling operating personnel normally operate;
and 5, after the maintenance operation is finished, the maintenance personnel leave the maintenance position, and the self-adaptive insulating isolation device leaves the maintenance position.
Preferably, step 3 specifically comprises:
step 3.1, dragging the whole self-adaptive insulation isolation device to an operation site by an electric engineering truck for deployment;
3.2, controlling the rectangular coordinate moving platform and the telescopic support frame to adjust the feeding distance of the insulating partition plate in the y-axis direction and the vertical z-axis direction, so that the insulating partition plate can completely cover the high-voltage isolating switch in the two directions of the y-axis direction and the vertical z-axis direction;
and 3.3, under the assistance of distance measuring equipment, adjusting the feeding of the rectangular coordinate moving platform in the x-axis direction to ensure that the distance between the insulating partition plate and the high-voltage disconnecting switch contact on the charged side is L centimeters in the x-axis direction, namely the allowable minimum safety distance.
Preferably, in step 3.3, if the coordinate of the high-voltage isolating switch contact on the charged side in the horizontal plane x axial direction is xElectric powerThen the cartesian moving platform adjusts the initialized coordinates in the x-axis direction to be expressed by the following formula,
xboard=xElectric power-L
In the formula:
xboardThe initialized coordinates of the insulating spacer in the x-axis direction are shown.
Preferably, in step 4, the position of the insulating spacer is adaptively adjusted according to the following formula,
Figure BDA0003371814810000041
in the formula:
xboardIndicating the initialized coordinates for the insulating spacers in the x-axis direction,
xwithout electricityShowing the coordinates of the high voltage disconnector contacts on the non-live side in the x-axis,
epsilon represents the allowable adjustable travel distance for the actual deployment,
xelectric powerRepresents the coordinates of the live side high voltage disconnector contacts in the x-axis direction of the horizontal plane,
l represents the minimum safe distance of the live side high voltage disconnector contacts,
xhuman beingWhich is indicative of the position of the person,
Lprotection ofIndicating the shortest distance between the operator and the insulating spacer.
Preferably, step 4 specifically includes:
step 4.1, setting the operator to enter the power-off side of the high-voltage isolating switchThe shortest distance between an operator and the insulating partition plate during maintenance operation is not less than LProtection ofCentimeter, so as to ensure an effective and safe operation interval;
step 4.2, in the process of maintenance operation, the distance measuring equipment 3 observes the positions of the insulating partition plate, the high-voltage isolating switch and the operating personnel in real time;
step 4.3, judging whether the distance between the operator and the high-voltage isolating switch contact on the live side is greater than or equal to LProtection of+ L cm, if greater than or equal to step 4.4, alarm is given out if smaller than step, and the insulating partition board is placed at the position x of the insulating partition board in the x-axis directionBoardFixed to the initialisation position, i.e. x in step 3.3Board=xElectric power-L。
And 4.4, observing the positions of the insulating partition plate, the high-voltage isolating switch and the operator in real time according to the distance measuring equipment 3, and carrying out self-adaptive adjustment on the position of the insulating partition plate, so that the maintenance operator can normally operate. In a further preferred but non-limiting embodiment of the invention, step 4.4 comprises in particular:
if the position x of the personHuman beingPosition x of high-voltage isolating switch contact on non-electrified side on x axisWithout electricityThe distance between the two is greater than or equal to LProtection ofCentimeter, the position x of the insulating partition in the x-axis directionBoardAs expressed in the following formula,
xboard=xWithout electricity
In the formula:
epsilon represents the allowable adjustable travel distance for practical deployment, taking into account that the insulation board cannot overlap with the high voltage disconnector contacts on the non-live side;
if the position x of the personHuman beingPosition x of high-voltage isolating switch contact on non-electrified side on x axisWithout electricityThe distance between the two is less than LProtection ofCm, and at the same time, the position L of a personProtection ofPosition x of contact of high-voltage isolating switch on live sideElectric powerThe distance between the two is greater than or equal to LProtection of+ L cm, the position x of the insulating partition plate in the x-axis direction at the momentBoardAs expressed in the following formula,
xboard=xHuman being+LProtection of
In the formula:
xboardIndicating the initialized coordinates for the insulating spacers in the x-axis direction,
xhuman beingWhich is indicative of the position of the person,
Lprotection ofIndicating the shortest distance between the operator and the insulating spacer.
Compared with the prior art, the movable self-adjusting insulating isolation device has the advantages that the movable self-adjusting insulating isolation device comprises a movable chassis, a rectangular coordinate moving platform, a telescopic support frame, an insulating baffle, a laser radar and the like. The laser radar can sense external environments such as operators, isolating switches and the like; the insulating baffle provides an insulating isolation protection area; the rectangular coordinate moving platform can adjust the position of the insulating baffle relative to an operator or a high-voltage isolating switch; the movable chassis may enable rapid deployment of the isolation device. Therefore, the improved safety maintenance method and device for the voltage isolating switch can obtain the advantages of flexible deployment of the device, self-adaptive adjustment of an insulating isolation protection area, single-side live working and the like. More specifically:
1. compared with the traditional power-off maintenance operation mode, the isolation switch safety maintenance method can operate in a single-side electrified state, and maintenance cost is reduced.
2. Particularly, the invention provides a high-voltage isolating switch single-side live overhaul method based on self-adaptive insulation isolation, and the designed insulation isolating device is provided with position measurement, can autonomously sense the relative positions of an operator, a live isolating switch contact and an insulation plate, and can adaptively adjust an isolation protection area, so that the method has the advantages of high safety protection degree, convenience in use, strong universality and the like;
3. meanwhile, compared with the existing insulation isolation device based on the insulation partition plate, the movable self-adjusting insulation isolation device can be moved in a portable mode, can be rapidly deployed to an operation site, and improves maintenance work.
Drawings
FIG. 1 is a schematic structural diagram of a movable self-adjusting insulating spacer according to an embodiment of the present invention;
fig. 2 is a flow chart of a safety maintenance method of a high-voltage isolating switch according to an embodiment of the invention.
In the figure:
1-an insulating spacer;
2-a movable chassis;
3-laser radar;
4-a telescopic support;
5-a rectangular coordinate moving platform;
6-the master controller.
Detailed Description
The present application is further described below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present application is not limited thereby.
As shown in fig. 1, embodiment 1 of the present invention provides an adaptive insulation isolation device, including: insulating barrier 1, portable chassis 2, laser radar 3, telescopic bracket 4, rectangular coordinate moving platform 5 and master controller 6.
It should be noted that, when the adaptive isolation device is deployed, the x axis on the horizontal plane refers to a parallel line of two end connecting lines of the high-voltage isolation light, the corresponding y axis refers to a vertical line of the two end connecting lines, the isolation partition board 1 is deployed parallel to the y axis, and the corresponding z axis refers to a vertical direction perpendicular to the x-y plane.
In a further preferred but non-limiting embodiment of the invention, said insulating spacer 1 is made of FR4 epoxy resin, with a thickness of 6 mm, a length of 130 cm and a width of 60 cm. The insulating partition board 1 is arranged on the telescopic support frame 4 and used for providing an insulating and isolated operation area for operators.
In a further preferred but non-limiting embodiment of the invention, said movable chassis 2 carries other functional modules. More specifically, 4 universal wheels are installed on the movable chassis 2 below the rectangular coordinate moving platform 5, so that the whole self-adaptive insulating isolation device can be dragged to a working site by an electric engineering vehicle, and the convenience of deployment is improved. Meanwhile, in the use process, the four corners of the movable chassis can be manually balanced, the stability of the device is improved, and the device is prevented from overturning.
In a further preferred but non-limiting embodiment of the invention, the lidar 3 is mounted on top of the telescopic support 4, allowing real-time observation of the relative position of the insulating barrier 1 to the high-voltage disconnector and of the insulating barrier to the operator.
In a further preferred but non-limiting embodiment of the invention, the telescopic support 4 is mounted on a rectangular coordinate moving platform 5, and the position of the insulating partition 1 in the vertical direction of the horizontal plane can be adjusted by the driving of a motor.
In a further preferred but non-limiting embodiment of the invention, said cartesian moving platform 5 is fixed to the movable chassis 2 and the position of the insulating partition 1 in the x-y direction of the horizontal plane can be adjusted by the driving of a motor. The rectangular coordinate moving platform 5 is a driving mode that a permanent magnet synchronous motor is combined with a ball screw, and a position instruction of the motor is given by a main controller 6 according to observation information of the laser radar 3.
In a further preferred but non-limiting embodiment of the invention, the main controller 6 can automatically control the feeding of the cartesian coordinate moving platform 5 in the x-y direction of the horizontal plane and the feeding of the telescopic support frame 4 in the vertical direction according to the relative position information of the laser radar 3, which is observed by the insulating partition board 1, the high-voltage isolating switch and the operator.
That is to say, the position of insulating barrier 1 in horizontal plane x-y direction can be adjusted through the drive rectangular coordinate moving platform 5 of motor to the insulating isolating device of self-adaptation, drives the flexible position of adjusting insulating barrier 1 vertical direction of telescopic bracket 4 to reliably remove insulating barrier 1 of design to 35kV isolator fracture position, play the effect of keeping apart isolator fracture electrified side, ensure that the maintainer can overhaul the fracture opposite side. The laser radar 3 arranged on the top of the telescopic support frame 4 can observe the relative position of the insulating partition plate 1 and the high-voltage isolating switch and the relative position of the insulating partition plate and an operator in real time. The main controller 6 can automatically control the feeding of the rectangular coordinate moving platform 5 in the x-y direction of the horizontal plane and the feeding of the telescopic support frame 4 in the vertical direction according to the relative position information observed by the laser radar 3, and the insulating isolation protection area can be adjusted in a self-adaptive mode, so that the operation range and the safety range of maintenance personnel can be considered at the same time.
In the present embodiment, the shortest distance L between the worker and the insulating spacer 1 is definedProtection of20 cm; the minimum safe distance L between the insulating spacer 1 and the live-side high-voltage disconnector contact is set to 40 cm.
As shown in fig. 2, embodiment 2 of the present invention provides a method for performing a single-side live overhaul on a high-voltage isolator based on the adaptive insulation isolation device, including the following steps:
step 1, the isolating switch is switched to an opening position.
And 2, powering off the single side of the isolating switch.
And 3, installing and initializing the movable self-adaptive insulating isolation device. In a further preferred but non-limiting embodiment of the invention, step 3 comprises in particular:
and 3.1, dragging the whole self-adaptive insulating isolation device to an operation site by the electric engineering vehicle, and deploying conveniently.
And 3.2, remotely controlling the rectangular coordinate moving platform 5 and the telescopic support frame 4 by an operator to adjust the feeding distance of the insulating partition board 1 in the y-axis direction and the vertical z-axis direction, so that the insulating partition board 1 can completely cover the high-voltage isolating switch in the two directions of the y-axis direction and the vertical z-axis direction.
And 3.3, under the assistance of a laser radar, adjusting the feeding of the rectangular coordinate moving platform 5 in the x-axis direction to enable the distance between the insulating partition plate 1 and the high-voltage isolating switch contact on the charged side to be L centimeters in the x-axis direction, namely, the allowable minimum safety distance. If the coordinate of the high-voltage isolating switch contact on the charged side in the horizontal plane x axial direction is xElectric powerThen, the cartesian moving platform 5 adjusts the initialized coordinates in the x-axis direction to be expressed as follows,
xboard=xElectric power-L
In the formula:
xboardThe initialized coordinates of the insulating barrier 1 in the x-axis direction, that is, the initialized coordinates of the rectangular coordinate moving platform 5 in the x-axis direction are shown.
And 4, in the insulation isolation protection area, carrying out maintenance operation on the isolating switch at the power-off end, observing the positions of the insulation partition plate 1, the high-voltage isolating switch and an operator in real time by the laser radar 3, sending an alarm when the position is smaller than the safe distance, carrying out self-adaptive adjustment on the position of the insulation partition plate 1 when the position is more than the safe distance, and carrying out normal operation by the maintenance operator. Specifically, the position of the insulating spacer 1 is adaptively adjusted in the following formula,
Figure BDA0003371814810000081
in the formula:
xboardIndicating the initialized coordinates of the insulating spacer 1 in the x-axis direction,
xwithout electricityShowing the coordinates of the high voltage disconnector contacts on the non-live side in the x-axis,
epsilon represents the allowable adjustable travel distance for the actual deployment,
xelectric powerRepresents the coordinates of the live side high voltage disconnector contacts in the x-axis direction of the horizontal plane,
l represents the minimum safe distance of the live side high voltage disconnector contacts,
xhuman beingWhich is indicative of the position of the person,
Lprotection ofIndicating the shortest distance between the worker and the insulating spacer 1.
In a further preferred but non-limiting embodiment, step 4 comprises in particular:
step 4.1, setting the shortest distance between an operator and the insulating partition board 1 not to be less than L when the operator carries out maintenance operation on the power-off side of the high-voltage isolating switchProtection ofCentimeter, so as to ensure an effective and safe operation interval;
4.2, in the process of maintenance operation, the laser radar 3 observes the positions of the insulating partition plate 1, the high-voltage isolating switch and the operating personnel in real time;
step 4.3, judging whether the distance between the operator and the high-voltage isolating switch contact on the live side is greater than or equal to LProtection of+ L cm, if greater than or equal to step 4.4, alarm is given out if smaller than step, and the insulating partition board 1 is insulated at the position x of the insulating partition board 1 in the x-axis directionBoardFixed to the initialisation position, i.e. x in step 3.3Board=xElectric power-L。
And 4.4, observing the positions of the insulating partition plate 1, the high-voltage isolating switch and the operating personnel in real time according to the laser radar 3, and carrying out self-adaptive adjustment on the position of the insulating partition plate 1 so that the maintenance operating personnel can normally operate. In a further preferred but non-limiting embodiment of the invention, step 4.4 comprises in particular:
if the position x of the personHuman beingPosition x of high-voltage isolating switch contact on non-electrified side on x axisWithout electricityThe distance between the two is greater than or equal to LProtection ofCm, the position x of the insulating partition board 1 in the x-axis directionBoardAs expressed in the following formula,
xboard=xWithout electricity
In the formula:
epsilon represents the allowable adjustable travel distance for practical deployment, taking into account that the insulation board cannot overlap with the high voltage disconnector contacts on the non-live side;
if the position x of the personHuman beingPosition x of high-voltage isolating switch contact on non-electrified side on x axisWithout electricityThe distance between the two is less than LProtection ofCm, and at the same time, the position L of a personProtection ofPosition x of contact of high-voltage isolating switch on live sideElectric powerThe distance between the two is greater than or equal to LProtection of+ L cm, the position x of the insulating partition plate in the x-axis direction at the momentBoardAs expressed in the following formula,
xboard=xHuman being+LProtection of
And 5, after the maintenance operation is finished, the maintenance personnel leave the maintenance position, and the self-adaptive insulating isolation device leaves the maintenance position.
The invention provides a safe overhauling method capable of allowing one side to be electrified aiming at the overhauling requirement of a high-voltage isolating switch. More importantly, the invention provides a movable self-adjusting insulating isolation device. The device can be quickly deployed to an operation site by virtue of the mobile ground plate, then the operation personnel can be monitored in real time, and the position of the insulating partition plate can be adjusted in a self-adaptive manner, so that a safe and reliable insulating isolation protection area is provided.
Compared with the prior art, the movable self-adjusting insulating isolation device has the advantages that the movable self-adjusting insulating isolation device comprises a movable chassis, a rectangular coordinate moving platform, a telescopic support frame, an insulating baffle, a laser radar and the like. The laser radar can sense external environments such as operators, isolating switches and the like; the insulating baffle provides an insulating isolation protection area; the rectangular coordinate moving platform can adjust the position of the insulating baffle relative to an operator or a high-voltage isolating switch; the movable chassis may enable rapid deployment of the isolation device. Therefore, the improved safety maintenance method and device for the voltage isolating switch can obtain the advantages of flexible deployment of the device, self-adaptive adjustment of an insulating isolation protection area, single-side live working and the like. More specifically:
1. compared with the traditional power-off maintenance operation mode, the isolation switch safety maintenance method can operate in a single-side electrified state, and maintenance cost is reduced.
2. Particularly, the invention provides a high-voltage isolating switch single-side live overhaul method based on self-adaptive insulation isolation, and the designed insulation isolating device is provided with position measurement, can autonomously sense the relative positions of an operator, a live isolating switch contact and an insulation plate, and can adaptively adjust an isolation protection area, so that the method has the advantages of high safety protection degree, convenience in use, strong universality and the like;
3. meanwhile, compared with the existing insulation isolation device based on the insulation partition plate, the movable self-adjusting insulation isolation device can be moved in a portable mode, can be rapidly deployed to an operation site, and improves maintenance work.
The present applicant has described and illustrated embodiments of the present invention in detail with reference to the accompanying drawings, but it should be understood by those skilled in the art that the above embodiments are merely preferred embodiments of the present invention, and the detailed description is only for the purpose of helping the reader to better understand the spirit of the present invention, and not for limiting the scope of the present invention, and on the contrary, any improvement or modification made based on the spirit of the present invention should fall within the scope of the present invention.

Claims (11)

1.一种自适应绝缘隔离装置,包括:绝缘隔板(1),可移动底盘(2),测距设备,可伸缩支撑架(4),直角坐标移动平台(5)和主控器(6);其特征在于,1. An adaptive insulating isolation device, comprising: an insulating partition (1), a movable chassis (2), a distance measuring device, a retractable support frame (4), a Cartesian coordinate mobile platform (5) and a main controller ( 6); it is characterized in that, 所述绝缘隔板(1)安装于可伸缩支撑架(4)上,用于为作业人员提供绝缘隔离的作业区域;The insulating clapboard (1) is installed on the retractable support frame (4), and is used to provide an insulating and isolated working area for the operator; 所述可移动底盘(2)用于承载绝缘隔板(1),测距设备,可伸缩支撑架(4),直角坐标移动平台(5)和主控器(6);The movable chassis (2) is used for carrying an insulating partition (1), a distance measuring device, a retractable support frame (4), a rectangular coordinate moving platform (5) and a main controller (6); 所述测距设备安装于可伸缩支撑架(4)顶部;The distance measuring device is installed on the top of the retractable support frame (4); 所述可伸缩支撑架(4)安装于直角坐标移动平台(5)上,用于驱动调节绝缘隔板(1)在水平面的垂直方向上的位置;The retractable support frame (4) is installed on the rectangular coordinate moving platform (5), and is used to drive and adjust the position of the insulating baffle (1) in the vertical direction of the horizontal plane; 所述直角坐标移动平台(5)固定于可移动底盘(2)上,用于驱动调节绝缘隔板(1)在水平面x-y方向上的位置;The rectangular coordinate moving platform (5) is fixed on the movable chassis (2), and is used for driving and adjusting the position of the insulating baffle (1) in the x-y direction of the horizontal plane; 所述主控制器(6)与测距设备相连接,用于直角坐标移动平台(5)和可伸缩支撑架(4)动作。The main controller (6) is connected with the distance measuring device, and is used for the movement of the rectangular coordinate moving platform (5) and the retractable support frame (4). 2.根据权利要求1所述的一种自适应绝缘隔离装置,其特征在于:2. An adaptive insulation isolation device according to claim 1, characterized in that: 所述绝缘隔板(1)由FR4环氧树脂制成,其厚度为6毫米,长度为130厘米,宽度为60厘米。The insulating separator (1) is made of FR4 epoxy resin, its thickness is 6 mm, the length is 130 cm, and the width is 60 cm. 3.根据权利要求1所述的一种自适应绝缘隔离装置,其特征在于:3. An adaptive insulation isolation device according to claim 1, characterized in that: 直角坐标移动平台(5)下方的所述可移动底盘(2)安装有4个万向轮,用于电力工程车将整个自适应绝缘隔离装置拖拽至作业现场。The movable chassis (2) under the rectangular coordinate mobile platform (5) is provided with 4 universal wheels, which are used for the electric engineering vehicle to drag the entire adaptive insulation isolation device to the job site. 4.根据权利要求1所述的一种自适应绝缘隔离装置,其特征在于:4. An adaptive insulation isolation device according to claim 1, characterized in that: 所述测距设备为激光雷达(3)。The ranging device is a lidar (3). 5.根据权利要求1至4中任一项所述的一种自适应绝缘隔离装置,其特征在于:5. An adaptive insulation isolation device according to any one of claims 1 to 4, characterized in that: 所述可伸缩支撑架(4)通过电机的驱动调节绝缘隔板(1)在水平面的垂直方向上的位置;The retractable support frame (4) is driven by the motor to adjust the position of the insulating baffle (1) in the vertical direction of the horizontal plane; 所述直角坐标移动平台(5)通过电机的驱动来调节绝缘隔板(1)在水平面x-y方向上的位置。The rectangular coordinate moving platform (5) is driven by the motor to adjust the position of the insulating baffle (1) in the x-y direction of the horizontal plane. 6.根据权利要求4或5所述的一种自适应绝缘隔离装置,其特征在于:6. An adaptive insulation isolation device according to claim 4 or 5, characterized in that: 所述主控制器(6)可以根据激光雷达(3)观测到绝缘隔板(1)、高压隔离开关、作业人员三者间的相对位置信息,自动控制直角坐标移动平台(5)在水平面x-y方向上的进给以及可伸缩支撑架(4)在垂直方向进给。The main controller (6) can automatically control the Cartesian coordinate moving platform (5) in the horizontal plane x-y according to the relative position information of the insulating clapboard (1), the high-voltage isolation switch and the operator observed by the laser radar (3). The feed in the direction and the retractable support frame (4) are fed in the vertical direction. 7.基于如权利要求1至6中任一项所述一种自适应绝缘隔离装置的单侧带电检修方法,其特征在于,包括以下步骤:7. A single-side live maintenance method based on an adaptive insulation isolation device according to any one of claims 1 to 6, characterized in that, comprising the following steps: 步骤1,将隔离开关至分闸位置;Step 1, put the isolating switch to the open position; 步骤2,对隔离开关单侧断电;Step 2, power off the isolation switch on one side; 步骤3,安装并初始化运行可移动式自适应绝缘隔离装置;Step 3, install and initialize the movable adaptive insulation isolation device; 步骤4,在绝缘隔离防护区域内,对断电端的隔离开关进行检修作业,测距设备3实时观测绝缘隔板(1)、高压隔离开关以及作业人员的位置,小于安全距离发出警报,安全距离以上自适应地对绝缘隔板(1)的位置进行自适应调整,检修作业人员正常作业;Step 4: In the insulation isolation protection area, the isolation switch at the power-off end is repaired. The distance measuring device 3 observes the insulation partition (1), the high-voltage isolation switch and the position of the operator in real time. If the distance is less than the safety distance, an alarm is issued, and the safety distance is The above adaptively adjusts the position of the insulating partition (1) adaptively, so that the maintenance operators work normally; 步骤5,检修作业完毕,检修人员离开检修位置,所述自适应绝缘隔离装置离开检修位置。Step 5: After the maintenance operation is completed, the maintenance personnel leave the maintenance position, and the adaptive insulation isolation device leaves the maintenance position. 8.如权利要求7所述的单侧带电检修方法,其特征在于:8. unilateral live maintenance method as claimed in claim 7, is characterized in that: 步骤3具体包括:Step 3 specifically includes: 步骤3.1,由电力工程车将整个所述自适应绝缘隔离装置拖拽至作业现场,进行部署;Step 3.1, the electric engineering vehicle drags the entire adaptive insulation isolation device to the job site for deployment; 步骤3.2,控制直角坐标移动平台(5)和可伸缩支撑架(4)调整绝缘隔板(1)在y轴方向和垂直z轴方向进给距离,使绝缘隔板(1)在y轴方向和垂直z轴方向此两个方向上可以将高压隔离开关完全覆盖;Step 3.2, control the Cartesian coordinate moving platform (5) and the retractable support frame (4) to adjust the feeding distance of the insulating spacer (1) in the y-axis direction and the vertical z-axis direction, so that the insulating spacer (1) is in the y-axis direction The high-voltage isolation switch can be completely covered in the two directions of the vertical z-axis direction; 步骤3.3,在测距设备的辅助下,直角坐标移动平台(5)调整在x轴方向的进给,使绝缘隔板(1)与带电侧的高压隔离开关触头在x轴方向上相距L厘米,即容许的最小安全距离。Step 3.3, with the aid of the distance measuring device, the Cartesian coordinate moving platform (5) adjusts the feed in the x-axis direction, so that the insulating baffle (1) and the high-voltage disconnector contact on the live side are separated by L in the x-axis direction cm, which is the minimum allowable safe distance. 9.如权利要求8所述的单侧带电检修方法,其特征在于:9. unilateral live maintenance method as claimed in claim 8, is characterized in that: 步骤3.3中,若带电侧的高压隔离开关触头在水平面x轴向的坐标为x,则直角坐标移动平台(5)调整在x轴方向的初始化坐标以如下公式表示,In step 3.3, if the coordinate of the high-voltage isolating switch contact on the live side in the x - axis direction of the horizontal plane is x, then the Cartesian coordinate moving platform (5) adjusts the initialization coordinates in the x-axis direction with the following formula: x=x-Lx plate = x electricity - L 式中:where: x表示使绝缘隔板(1)在x轴方向的初始化坐标。The x flag represents the initialization coordinates of the insulating spacer (1) in the x-axis direction. 10.如权利要求7至9中任一项所述的单侧带电检修方法,其特征在于:10. The one-side live maintenance method according to any one of claims 7 to 9, wherein: 步骤4中,以如下公式对对绝缘隔板(1)的位置进行自适应调整,In step 4, the position of the insulating baffle (1) is adaptively adjusted with the following formula:
Figure FDA0003371814800000031
Figure FDA0003371814800000031
式中:where: x表示使绝缘隔板(1)在x轴方向的初始化坐标,x is the initialization coordinate of the insulating spacer (1) in the x-axis direction, x无电表示不带电侧的高压隔离开关触头在x轴的坐标,x no electricity means the coordinates of the high-voltage disconnector contact on the non-energized side on the x-axis, ε表示以便于实际部署的容许的可调活动距离,ε represents the allowable adjustable travel distance for practical deployment, x表示带电侧的高压隔离开关触头在水平面x轴向的坐标,x electricity represents the coordinate of the high-voltage disconnector contact on the live side in the x-axis of the horizontal plane, L表示带电侧的高压隔离开关触头的最小安全距离,L represents the minimum safe distance of the high-voltage isolating switch contacts on the live side, x表示人的位置,x person represents the position of the person, L保护表示作业人员与绝缘隔板(1)的最短距离。L protection indicates the shortest distance between the operator and the insulating partition (1).
11.如权利要求10所述的单侧带电检修方法,其特征在于:11. The single-side live maintenance method as claimed in claim 10, characterized in that: 步骤4具体包括:Step 4 specifically includes: 步骤4.1,设定作业人员在高压隔离开关的断电侧进行检修作业时作业人员与绝缘隔板(1)的最短距离不得小于L保护厘米,以保证有效且安全的作业区间;Step 4.1, set the shortest distance between the operator and the insulating partition (1) when the operator performs maintenance work on the power-off side of the high-voltage isolation switch, which should not be less than L protection cm, so as to ensure an effective and safe working area; 步骤4.2,检修作业过程中,测距设备3实时观测绝缘隔板(1)、高压隔离开关以及作业人员的位置;Step 4.2, during the maintenance operation, the distance measuring device 3 observes the insulating partition (1), the high-voltage isolation switch and the position of the operator in real time; 步骤4.3,判断作业人员与带电侧的高压隔离开关触头之间的距离是否大于等于L保护+L厘米,若大于等于,继续执行步骤4.4,若小于则发出警报,将绝缘隔板(1)绝缘隔板(1)在x轴方向的位置x固定为初始化位置,即步骤3.3中的x=x-L。Step 4.3, judge whether the distance between the operator and the contact of the high-voltage isolation switch on the live side is greater than or equal to L protection + L cm, if it is greater than or equal to, continue to step 4.4, if it is less than, an alarm will be issued, and the insulating partition (1) The position x of the insulating separator (1) in the x- axis direction is fixed as the initialization position, that is, x in step 3.3 = x electric- L. 步骤4.4,依照测距设备3实时观测绝缘隔板(1)、高压隔离开关以及作业人员的位置对绝缘隔板(1)的位置进行自适应调整,检修作业人员正常作业。在本发明进一步优选但非限制性的实施方式中,步骤4.4具体包括:Step 4.4, according to the real-time observation of the insulating baffle (1), the high-voltage isolation switch and the position of the operator according to the distance measuring device 3, the position of the insulating baffle (1) is adaptively adjusted, and the maintenance operator works normally. In a further preferred but non-limiting embodiment of the present invention, step 4.4 specifically includes: 若人的位置x与不带电侧的高压隔离开关触头在x轴的位置x无电,两者相距大于等于L保护厘米,则绝缘隔板(1)在x轴方向的位置x以如下公式表示,If the position x of the person and the contact of the high-voltage isolating switch on the non -energized side at the position x of the x-axis are uncharged, and the distance between the two is greater than or equal to L protection cm, then the insulating baffle (1) is pulled at the position x of the x-axis direction. It is expressed by the following formula, x=x无电x pull = x no electricity + ε 式中:where: ε表示以便于实际部署的容许的可调活动距离,其考虑了绝缘板与不带电侧的高压隔离开关触头不能重叠;ε represents the allowable adjustable moving distance for practical deployment, which takes into account that the insulating plate and the high-voltage disconnector contact on the dead side cannot overlap; 若人的位置x与不带电侧的高压隔离开关触头在x轴的位置x无电,两者相距小于L保护厘米,同时,人的位置L保护与带电侧的高压隔离开关触头的位置x,两者相距大于等于L保护+L厘米,则此刻绝缘隔板在x轴方向的位置x以如下公式表示,If the person's position x, the contact between the person and the high-voltage disconnecting switch on the non-energized side is unenergized at the position x of the x - axis, the distance between the two is less than L protection centimeters . The position x is electric , and the distance between the two is greater than or equal to L protection + L cm, then the position x of the insulating baffle in the x-axis direction at this moment is expressed by the following formula: x=x+L保护 x pull = x people + L protection 式中:where: x表示使绝缘隔板(1)在x轴方向的初始化坐标,x is the initialization coordinate of the insulating spacer (1) in the x-axis direction, x表示人的位置,x person represents the position of the person, L保护表示作业人员与绝缘隔板(1)的最短距离。L protection indicates the shortest distance between the operator and the insulating partition (1).
CN202111420137.9A 2021-11-24 2021-11-24 Self-adaptive insulating isolation device and unilateral electrified overhaul method based on same Active CN114122997B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111420137.9A CN114122997B (en) 2021-11-24 2021-11-24 Self-adaptive insulating isolation device and unilateral electrified overhaul method based on same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111420137.9A CN114122997B (en) 2021-11-24 2021-11-24 Self-adaptive insulating isolation device and unilateral electrified overhaul method based on same

Publications (2)

Publication Number Publication Date
CN114122997A true CN114122997A (en) 2022-03-01
CN114122997B CN114122997B (en) 2024-04-12

Family

ID=80369795

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202111420137.9A Active CN114122997B (en) 2021-11-24 2021-11-24 Self-adaptive insulating isolation device and unilateral electrified overhaul method based on same

Country Status (1)

Country Link
CN (1) CN114122997B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117394210A (en) * 2023-11-03 2024-01-12 国网山东省电力公司泰安供电公司 Insulating partition installation arm and control method
CN118508300A (en) * 2024-07-19 2024-08-16 国网江苏省电力有限公司南通供电分公司 A kind of disconnect switch break automatic insulation device and using method

Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202405620U (en) * 2011-09-09 2012-08-29 云南电力试验研究院(集团)有限公司 Intelligent test switch cabinet
CN102761066A (en) * 2012-07-05 2012-10-31 山西省电力公司长治供电分公司 Insulation device for unilateral hot-line maintenance of isolating switch
CN202643189U (en) * 2012-06-13 2013-01-02 绍兴电力局 Laser safety scanning alarm avoiding approaching high-layer electrified body
CN102891446A (en) * 2012-11-13 2013-01-23 重庆市电力公司教育培训中心 Insulation device for overhauling electric isolating switch
CN203870760U (en) * 2013-12-30 2014-10-08 国网宁夏电力公司宁东供电公司 Alarm for high voltage area in transformer station
CN104993414A (en) * 2015-08-05 2015-10-21 国家电网公司 Insulation barrier trolley for high-voltage switch cabinet
CN206542105U (en) * 2017-03-24 2017-10-03 国网安徽省电力公司检修公司 A kind of portable electric insulation retaining device
CN207392890U (en) * 2017-09-28 2018-05-22 广州供电局有限公司 Baffle
CN207557471U (en) * 2017-10-13 2018-06-29 国网上海市电力公司 A kind of livewire work on-line monitoring system
CN111179530A (en) * 2020-01-07 2020-05-19 国网河北省电力有限公司 Substation GIS equipment live area isolation device
CN111474530A (en) * 2020-04-05 2020-07-31 武汉大云物移智科技有限公司 Working distance measuring system based on laser radar platform and using method thereof
CN211720113U (en) * 2020-05-14 2020-10-20 李军 Movable electric insulation baffle
CN112134196A (en) * 2020-09-01 2020-12-25 国网江苏省电力有限公司盐城供电分公司 An insulating rod for power maintenance
CN214754981U (en) * 2021-01-19 2021-11-16 南京厚泰电气科技有限公司 Inside self-adaptation adjusting device of intelligence cubical switchboard

Patent Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202405620U (en) * 2011-09-09 2012-08-29 云南电力试验研究院(集团)有限公司 Intelligent test switch cabinet
CN202643189U (en) * 2012-06-13 2013-01-02 绍兴电力局 Laser safety scanning alarm avoiding approaching high-layer electrified body
CN102761066A (en) * 2012-07-05 2012-10-31 山西省电力公司长治供电分公司 Insulation device for unilateral hot-line maintenance of isolating switch
CN102891446A (en) * 2012-11-13 2013-01-23 重庆市电力公司教育培训中心 Insulation device for overhauling electric isolating switch
CN203870760U (en) * 2013-12-30 2014-10-08 国网宁夏电力公司宁东供电公司 Alarm for high voltage area in transformer station
CN104993414A (en) * 2015-08-05 2015-10-21 国家电网公司 Insulation barrier trolley for high-voltage switch cabinet
CN206542105U (en) * 2017-03-24 2017-10-03 国网安徽省电力公司检修公司 A kind of portable electric insulation retaining device
CN207392890U (en) * 2017-09-28 2018-05-22 广州供电局有限公司 Baffle
CN207557471U (en) * 2017-10-13 2018-06-29 国网上海市电力公司 A kind of livewire work on-line monitoring system
CN111179530A (en) * 2020-01-07 2020-05-19 国网河北省电力有限公司 Substation GIS equipment live area isolation device
CN111474530A (en) * 2020-04-05 2020-07-31 武汉大云物移智科技有限公司 Working distance measuring system based on laser radar platform and using method thereof
CN211720113U (en) * 2020-05-14 2020-10-20 李军 Movable electric insulation baffle
CN112134196A (en) * 2020-09-01 2020-12-25 国网江苏省电力有限公司盐城供电分公司 An insulating rod for power maintenance
CN214754981U (en) * 2021-01-19 2021-11-16 南京厚泰电气科技有限公司 Inside self-adaptation adjusting device of intelligence cubical switchboard

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117394210A (en) * 2023-11-03 2024-01-12 国网山东省电力公司泰安供电公司 Insulating partition installation arm and control method
CN117394210B (en) * 2023-11-03 2024-07-26 国网山东省电力公司泰安供电公司 Insulating partition mounting arm and control method
CN118508300A (en) * 2024-07-19 2024-08-16 国网江苏省电力有限公司南通供电分公司 A kind of disconnect switch break automatic insulation device and using method

Also Published As

Publication number Publication date
CN114122997B (en) 2024-04-12

Similar Documents

Publication Publication Date Title
CN114122997A (en) Adaptive insulation isolation device and one-side live maintenance method based on the device
WO2016037558A1 (en) Robot and method for hot line washing of low-altitude insulators at substation
CN111570134A (en) Anti-icing cable intelligent spraying robot convenient to hoist and mount counterpoint
CN107994529A (en) A kind of combined intelligent snow melt deicer and method based on High Performance Unmanned Aerial Vehicle
CN113612095A (en) Grounding wire clamp installation robot
CA3068809A1 (en) Airborne system for replacing modular lighting luminaire
CN111478271A (en) Intelligent protection system
CN116902242A (en) Uninterrupted operation device and operation method for unmanned aerial vehicle of overhead transmission line
CN114088162A (en) Improve stable harbour channel depth of water real-time supervision device
CN112404008A (en) A high-altitude water flushing system for electrified railway catenary insulators
CN107580171A (en) Camera moves support
CN110854644B (en) Grounding device and grounding method for power transformation equipment hung on unmanned aerial vehicle
CN104858166A (en) Emergency control system and method of live-washing robot for low-altitude insulator
CN112455255A (en) Combined automatic charging robot
CN220251744U (en) Highway road surface state monitoring devices
CN215098298U (en) Unmanned aerial vehicle with grabbing function
JPH05199629A (en) Working system for overhead distribution line
CN114447865B (en) Unmanned aerial vehicle capable of deicing high-voltage lines and method
CN206506307U (en) A kind of charging pile executing agency
CN208797468U (en) A kind of obstacle removing robot
CN209767005U (en) insulator replacement auxiliary device
CN118074001A (en) Unmanned aerial vehicle-based wire operation equipment throwing and withdrawing system and method
CN220693251U (en) Data acquisition is with control inspection ware
CN113725797A (en) Continuous type cable snow removing device
CN113336150A (en) Multifunctional combined equipment overhead working truck

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant