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5606results about "Apparatus for overhead lines/cables" patented technology

Power transmission line polling system

The invention discloses a power transmission line polling system. The system comprises a personal computer (PC) side control terminal, a server and a handheld personal digital assistant (PDA), wherein the PC side control terminal, namely a PC side management system, performs polling task management, polling condition management, defect management, defect standard management and geographic information system (GIS) geographic information management; the server receives and transmits information and stores data in real time, comprises an enterprise database and a Socket detectaphone which is used for detecting wireless data in real time, and is called a server Socket data receiving and transmitting system for short; and the handheld PDA performs field polling, is a mobile terminal which feeds back polling information through general packet radio service (GPRS), and is called a PDA mobile terminal polling system for short. The advanced technologies of a global positioning system (GPS) and a palm computer are fused in the system, and power transmission line polling is realized by using a component GIS technology and introducing the concept of embedded GIS; the system performs relatively precise positioning and complete defect data acquisition, can be used for a line polling step in a power system which is used for power transmission, power distribution and the like, and also can be widely applied to the management of the outdoor entities of telecommunication, coal gas, natural gas and the like which are related to the polling; and the operating cost is effectively lowered, and the economic benefit is effectively improved.
Owner:JIANGXI JIUJIANG POWER SUPPLY +1

Method for detecting safe power-line-cruising distance of UAV (unmanned aerial vehicle)

The invention discloses a method for detecting the safe power-line-cruising distance of a UAV (unmanned aerial vehicle), which comprises the following steps of: (1) carrying out analysis according to the characteristics of electromagnetic fields of to-be-detected high-tension transmission lines in different voltage levels, and establishing corresponding electromagnetic-field simulation calculation models; (2) determining the maximum errors of electronic devices (which are susceptible to electromagnetic interference) carried by the power-line-cruising UAV and measuring devices used in the process of route planning making before routing inspection; (3) according to the requirements of the determined electronic devices on electromagnetic fields in the process of normal operating, by using the electromagnetic-field simulation calculation models of the high-tension transmission lines in different voltage levels and electromagnetic-field simulation calculation software, calculating the similarities and differences of an electromagnetic environment when the UAV has different distances away from a transmission conductor in the process of carrying out line-cruising operation on each high-tension transmission line, thereby determining the range of the safe distance between the UAV and the transmission conductor; and (4) carrying out line-cruising by the UAV according to the determined safe distance of each to-be-detected transmission line, thereby avoiding the situations that the devices run disorderly, the flight communication is interfered, a flight mission is failed, and the like caused by the electromagnetic field of the transmission conductor, and then ensuring the safety, stability and reliability of a flight.
Owner:STATE GRID INTELLIGENCE TECH CO LTD

Automatic photography control device for power line inspection unmanned aerial vehicle, and control method thereof

The invention discloses an automatic photography control device for a power line inspection unmanned aerial vehicle, and a control method thereof. The automatic photography control device is fixed on metal structure at the front end of an unmanned aerial vehicle body and located above a detection head. The automatic photography control device mainly comprises a control circuit and a battery. The control circuit and the battery are disposed in a box. The control circuit comprises a single-chip microcomputer, a servo steering engine, a wireless receiver, an LCD (liquid crystal display), keys, a camera photography control module, a power management module, and a battery. The single-chip microcomputer is respectively connected with the servo steering engine, the wireless receiver, the LCD, the keys, the camera photography control module, the power management module and the battery. The battery is further connected with the power management module. The automatic photography control device is obtained according to experiments and practical needs in power line inspection with the unmanned aerial vehicle, and allows the unmanned aerial vehicle to take photos efficiently, quickly and simply during power line section.
Owner:STATE GRID INTELLIGENCE TECH CO LTD

Three-dimensional visual processing method and system for extra high voltage transmission line

InactiveCN101621191ARealize all-round security monitoringGood for healthApparatus for overhead lines/cablesPoint cloudUltra high voltage
The invention provides a three-dimensional visual processing method of an extra high voltage transmission line, which comprises the following steps: synchronously acquiring laser point cloud data and digital image data along a transmission line corridor through an airborne laser radar measurement system, and carrying out three-dimensional visual processing and professional analysis in combination of line design parameters and operating parameters after data processing and three-dimensional modeling so as to provide an efficient means for the maintenance and the management of the transmission line of an electric power enterprise. The invention further provides a three-dimensional visual processing system for the extra high voltage transmission line, which comprises a three-dimensional data generation module and a three-dimensional data visual operation module, wherein the three-dimensional data generation module is used for receiving digital image data and laser point cloud data obtained by the laser radar measurement system and generating the three-dimensional scene of the transmission line corridor; and the three-dimensional data visual operation module is used for carrying out three-dimensional visual operation on the three-dimensional data of the transmission line corridor.
Owner:重庆市电力公司超高压局

Inspection robot mechanism with lifting and clamping functions

The invention relates to a mobile robot, in particular to an inspection robot mechanism with lifting and clamping functions, which comprises a front arm, a front travelling wheel, a rear arm, a rear travelling wheel, a box body and a lifting and clamping mechanism, wherein the front arm and the rear arm are respectively arranged on the box body; the rotatable front travelling wheel and the rotatable rear travelling wheel are respectively installed on the front arm and the rear arm; the front travelling wheel and the rear travelling wheel are respectively driven by a front travelling motor and a rear travelling motor which are respectively installed on the front arm and the rear arm to run; the lifting and clamping mechanism for increasing the positive pressure of the front travelling wheel and the rear travelling wheel on overhead earth wires is arranged between the front arm and the rear arm in the box body; the lifting and clamping mechanism comprises a front clamping wheel, a rear clamping wheel, a group of lifting components and a plurality of groups of guide components; the front clamping wheel and the rear clamping wheel are installed on the lifting components; and the guide components are uniformly distributed at the peripheries of the lifting components. By adopting the clamping mechanism capable of lifting and clamping, the inspection robot mechanism of the invention can increase the positive pressure of the travelling wheels on the overhead earth wires, is favorable for running, climbing and obstacle surmounting, and has good security protection property, simple obstacle surmounting processes and short obstacle surmounting time.
Owner:SHENYANG INST OF AUTOMATION - CHINESE ACAD OF SCI

Overhead power transmission line optimized line selection method based on airborne laser radar data

The invention discloses an optimal route selection method for overhead transmission line route. Onboard lidar equipment is adopted to acquire laser point cloud data and aerial digital photo data of the transmission line route corridor range; the onboard lidar data is processed after the wave filtering and the sorting of the laser point cloud data, and the points of the ground surface are made into a digital elevation model with high precision; then data processing is carried out by utilizing the data of the digital elevation model with high precision and ortho-rectification is carried out to the aerial photo by utilizing the internal and external orientation elements of the aerial digital photo to generate digital orthophoto maps; through the overlying of the digital elevation model and the digital orthophoto maps, the tridimensional visualization of the transmission line route corridor can be realized to optimize the transmission line route selection; finally prearrangement of power pole and power pole arrangement are carried out according to the data of plane cross sections. The route selection platform of the invention has simple operation and lifelike tridimensional scene, thus being convenient for full roaming and multi-view observation and greatly improving the efficiency of the inner plane cross section survey operation. Compared with the optimal route selection technology based on the aerial photographing measuring method, the efficiency of the inner plane cross section survey operation can be improved by about 75 percent.
Owner:GUANGXI ELECTRIC POWER IND INVESTIGATION DESIGN & RES INST

MRI compatible implantable lead

An implantable lead is provided that includes a lead body configured to be implanted in a patient. The lead body has a distal end and a proximal end, and a lumen extending between the distal and proximal ends and includes a connector assembly provided at the proximal end of the lead body. The connector assembly is configured to connect to an implantable medical device and includes an electrode provided proximate to the distal end of the lead body with the electrode configured to at least one of deliver stimulating pulses and sense electrical activity. A multi-layer coil is located within the lumen and extends at least partially along a length of the lead body. The coil includes a first winding formed with multiple winding turns, the winding turns being segmented in an alternating pattern of insulated segments and non-insulated segments along the length of the lead body. The multi-layer coil further includes a winding turn connective layer extending along and interconnecting the winding turns within at least one of the non-insulated segments. The multi-layer coil further includes a first winding formed with multiple winding turns, the winding turns being segmented into an alternating pattern of insulated segments and non-insulated segments along a length of the winding with a winding turn connective layer extending along and interconnecting the winding turns within at least one of the non-insulated segments.
Owner:PACESETTER INC

Suspended line walking robot

The invention discloses a suspended line walking robot which comprises a walking part and a suspending cabin, wherein the walking part consists of two trunks and three driving wheel claws; the two trunks form double parallelogram structures; the three driving wheel claws are guaranteed to face toward the same direction; five motors on the trunks drive the trunks to longitudinally swing, transversely swing and stretch to ensure that each obstacle detouring driving wheel can realize three-freedom-degree translational upper and lower lines; each driving wheel claw comprises a driving wheel and a clamping device, and the motors drive the driving wheels to ensure that the robot moves on the line; each clamping device comprising a motor, a ball screw pair, a spring, a clamping wheel, and the like guarantees that enough friction force is maintained between the driving wheels and the lines; the suspending cabin and the walking part are connected through two steel belts; and two motors on the suspending cabin adjust own gravity center position relative to the trunks through a steel belt so as to guarantee the flexibility of the mechanism while crossing an obstacle. The invention guarantees that the line walking robot can cross various line obstacles including corner line towers, can climb a diagonal tensile line larger than 60 degrees, has high safety factor and can replace man power to realize autonomous line walking.
Owner:XI AN JIAOTONG UNIV

Insulator bushing wildlife guard

An insulator bushing wildlife guard having features for easier alignment and installation of the guard on the bushing. The guard has two hinged body sections of insulating material. An outer edge of each body section is provided with a plurality of flexible fingers that allow conductors to pass through from the interior to the exterior of the enclosure when the two portions of the guard are engaged. In one embodiment, the guard is spring biased toward a closed position. A handle on the back has inner grooves to make it easier to grasp and manipulate the guard using a shotgun stick. On a lower front side of each portion of the guard, spaced-apart, curved, horizontal upper and lower flanges help align the guard with the topmost skirt of a bushing. Medial walls having a curved, sloped, concave or otherwise inwardly-directed configuration between the two flanges facilitate forcing the guard open by pushing it against the bushing. An external tab limiter, disposed above the upper flange, makes it difficult to install the guard over any part of the bushing other than the topmost skirt of the bushing. An alternative version of the guard has a releasable trigger, which is used to hold the two portions in an open position until the bushing or power line displaces the trigger and allows the biasing spring to close the two cover portions. The guard is provided with a handle for grasping by a manipulator tool. In one embodiment the handle is provided with inner grooves for grasping by a shotgun stick. In another embodiment, an adapter releasably engages the handle and provides means for attachment to a hotstick.
Owner:CENT MOLONEY

Multi-rotor-wing automatic positioning detector used for transmission line

The invention relates to a multi-rotor-wing automatic positioning detector used for a transmission line. A patrol nacelle of the detector is fixedly connected with a multi-rotor-wing micro air vehicle by a connection structure; a master control board is fixed on the airframe of the multi-rotor-wing micro air vehicle; a power supply module is fixed on the patrol nacelle; a crawling mechanism is formed by a power device fixed on a side arm of the patrol nacelle and idler wheels connected with the power device; the master control board controls the power supply module to supply power for a driving mechanism of the multi-rotor-wing micro air vehicle or the power device of the crawling mechanism; an infrared video camera and a visible light camera are arranged on the inner wall of the patrol nacelle; the visible light camera is used for shooting the transmission line and the ambient environments and transmitting the information of the shot images to a ground station system by the master control board in real time; and the infrared video camera is used for detecting faults of the transmission line and transmitting the fault information to the ground station system by the master control board in real time. The multi-rotor-wing automatic positioning detector can be used in fields, has the advantages of high working efficiency and good safety, and has a real-time visual patrol function.
Owner:CHANGCHUN INST OF OPTICS FINE MECHANICS & PHYSICS CHINESE ACAD OF SCI

Gripper mechanism with fault release function for walking of patrolling robot

The invention relates to an inspection robot walking and clamping mechanism with fault release function. The inspection robot walks on an overhead power transmission line and includes a walking mechanism and a clamping mechanism arranged on a support. The clamping mechanism comprises a clamping motor arranged on the support; a drum arranged on the output shaft of the clamping motor; and a front clamp and a rear clamp having the same structure and rotatably arranged on a front bracket and a rear bracket of the support through a sector gear, wherein windings on the drum are respectively connected with the tail ends of one pawls of the front clamp and the rear clamp through a front pulley and a rear pulley fixed on the support; the front clamp and the rear clamp are respectively located on the front side and the rear side of a walking wheel of the walking mechanism; each clamp includes two pawls; the tail ends of the pawls are connected with each other through a spring; and the two pawls are engaged with each other through the sector gear. By adopting the wheel-pawl composite mechanism of walking mechanism and the clamping mechanism, the inspection robot walking and clamping mechanism facilitates walking and barrier crossing of the inspection robot to achieve good safe protection. In addition, the inspection robot walking and clamping mechanism has fault release function and suits field operation and on/off transmission line.
Owner:SHENYANG INST OF AUTOMATION - CHINESE ACAD OF SCI

High-voltage power line tension insulator string forward spin live-wire altering method and two yoke plate device

The invention discloses a method and a two-connection board device for replacing tension insulator strings of high-voltage transmission lines with upspinning and charging. The insulator strings are loosened first by using special tools such as end wing clips and insulating pull plates; The pulleys and screw rods on the side make all the ends of the insulator strings disengage; finally, the pulleys on the ground wire brackets are used to rotate the porcelain bottle strings from the horizontal state to the vertical state, thus changing the complex operation into a relatively simple operation, which greatly shortens the time Potential working time to ensure the safe operation of the line; live replacement of the high-voltage transmission line tension insulator string double-connected plate device, including two wing cards and two screw screws, and also includes two pairs of insulating pull plates, one end of the two pairs of insulating pull plates They are respectively connected with two wings of the wing card, and the other ends are respectively connected with a lead screw, and the other ends of the two lead screws are respectively connected with the two wings of the other wing card. The structure is simple, easy to operate and low in cost.
Owner:MAINTENANCE BRANCH OF STATE GRID CHONGQING ELECTRIC POWER +1
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