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2391results about "Switchgear" patented technology

Transformer substation inspection robot system for detecting equipment in box and method thereof

The invention discloses a transformer substation inspection robot system for detecting equipment in a box and a method thereof. The transformer substation inspection robot system comprises a robot and an automatic unlocking system installed outside the box. The automatic unlocking system comprises an electromagnetic lock and a control device. The control device comprises a single-chip microcomputer, a wireless communication module, an electromagnetic relay, a door-closing limiting switch and an alarm module. The automatic unlocking system is installed on a box door. The control device is installed in a lock body. The electromagnetic lock can be remotely controlled to be opened or closed by the robot and can also be manually opened or closed through a key. Through communication with the automatic unlocking system, the box lock can be automatically opened, and therefore detection and operation of the equipment in the box can be realized; the automatic unlocking system is compatible with a common key unlocking mode, and therefore an automatic robot inspection mode and a traditional manual inspection mode can coexist; a robot pan-tilt is provided with a lifting mechanism, and therefore the range of the equipment capable of being detected by the robot is greatly expanded.
Owner:STATE GRID INTELLIGENCE TECH CO LTD

Maintenance car of handcart type breaker equipment

ActiveCN102315600AThe distance is easy to adjustGuaranteed water positionSwitchgearVehicle frameEngineering
The invention relates to a maintenance car of handcart type breaker equipment. The maintenance car comprises a carframe, a braking mechanism, a bearing suspension mechanism, a guide rail lifting device and a clamping device, wherein the carframe comprises two supports, an upper beam and a lower beam; the upper and lower beams are fixed at the back parts of the two supports respectively; the back part of each of the two supports is provided with an upright guide rail with an opening; the openings of the upright guide rails are opposite; a driving gear shaft is arranged at the back part of the carframe; the braking mechanism is arranged on the carframe; two vertically-arranged racks of the bearing suspension mechanism are respectively connected with connecting plates; driving gears at the two sides of the driving gear shaft are meshed with the two racks; idler wheels at the side parts of the connecting plates are arranged in the two upright guide rails of the two supports; guide rail shafts are fixed on the two connecting plates; fixed guide rails are fixed on the guide rail shafts; movable guide rails are sheathed on the guide rail shafts and can move axially; and the guide rail lifting device and the clamping device are arranged on one of the supports. The maintenance car can be used for maintaining the handcart type breaker equipment safely and reliably in field, is convenient in the operation and can improve the maintenance working efficiency.
Owner:CHANGZHOU POWER SUPPLY OF JIANGSU ELECTRIC POWER +1

Animal driving device and method for transformer substation

The invention discloses an animal driving device for a transformer substation, which comprises a central processing unit, a microwave induction unit, an ultrasonic playing control unit, a power amplification unit and an acoustic wave output load, wherein a signal output end of the microwave induction unit is connected with a signal input end of the central processing unit; a control output end of the central processing unit is connected with a control input end of the ultrasonic playing control unit; and after being amplified by the power amplification unit, ultrasonic signals emitted by the ultrasonic playing control unit are outputted by the acoustic wave output load. In the animal driving device, a double driving means of ultrasound and sound that frightens animals is adopted to drive the animals, so that the animals are kept far away from electrical equipment, and the safety of the electrical equipment is ensured; animal types are judged by a microwave induction device, ultrasonic waves with different frequencies are generated according to different types, and thus the animal driving device has the pertinence. The animal driving device reduces careless omission caused by the conventional mode and improves security coefficients. In addition, the invention also discloses an animal driving method for the transformer substation.
Owner:CHONGQING UNIV

Safe assembly and disassembly device for high-voltage grounding wires

ActiveCN102983526AAchieve releasePrevent falling off and hurting peopleCable installation apparatusSwitchgearPower gridHigh pressure
The invention discloses a safe assembly and disassembly device for high-voltage grounding wires, and belongs to the field of grounding wire assembling equipment in a power grid. The assembly and disassembly device comprises an insulated hollow insulation sleeve, a chuck, a pull rod and an operating trigger, wherein the chuck is arranged inside one end of the insulation sleeve; the operating trigger and a return spring of the operating trigger are arranged at the other end of the insulation sleeve; the pull rod connecting the chuck with the operating trigger is arranged inside the insulation sleeve; the chuck comprises a fixed joint, a fixed sheet and claws; the fixed joint is hollow; the triangular fixed sheet is arranged at the end part of the fixed joint; the three open-close type claws are articulated with three edges of the fixed sheet respectively; and the other end of the fixed joint is connected with the pull rod. The assembly and disassembly device is simple in structure, safe and reliable to operate, can improve the assembly and disassembly efficiency of the grounding wires, and can solve the problems of high-altitude falling of the grounding wires, and difficult operation due to rotating of the grounding wires with a brake pull rod in assembly and disassembly processes.
Owner:STATE GRID HEBEI ELECTRIC POWER CO LTD

Cluster management and control system for substation inspection robot

ActiveCN105743004ARealize centralized management and controlLower latencyCircuit arrangementsSustainable buildingsResource utilizationControl system
The invention provides a cluster management and control system for a substation inspection robot. The inspection robot can transfer among multiple substations through the transportation of an inspection deploying vehicle, so that one inspection robot can be used for inspecting multiple substations; the inspection robot is connected with an inspection deploying vehicle monitoring backstage through a wireless local area network; the inspection deploying vehicle monitoring backstage can receive the inspection data in real time so as to monitor the instantaneous state of the substations; the wireless local area network can be transferred along with the transfer of the inspection deploying vehicle, so that the wireless local area network can be applied to multiple substations without requiring to rebuild a network in each substation; the network delay of the wireless local area network is relatively low, so that the real-time substation monitoring can be realized; the inspection deploying vehicle monitoring backstage is connected with a remote centralized control backstage through a special network, so that the overall network environment is safer; meanwhile, the centralized management and control of multiple substations can be realized simultaneously; and furthermore, the resource utilization ratio is improved due to the manner that one inspection robot is used for inspecting multiple substations.
Owner:ZHONGSHAN POWER SUPPLY BUREAU OF GUANGDONG POWER GRID

Reliability-based maintenance decision method for switch equipment

ActiveCN102623910AEnabling Reliability Maintenance DecisionsSave resourcesClimate change adaptationSwitchgearElectric power systemSwitchgear
The invention provides a reliability-based maintenance decision method for switch equipment. According to the invention, a reliability-based maintenance decision method for switch equipment of an electric system is developed aiming at the defects of the traditional maintenance decision method for the switch equipment. The reliability-based maintenance decision method comprises the following steps of: analyzing the aging condition of the switch equipment and sending a maintenance prewarning by applying a reliability maintenance theory; analyzing the failure consequence seriousness level of the switch equipment, carrying out importance quantitative evaluation on switch equipment components to be maintenance by combining historic operation statistical data of the switch equipment and sequencing an equipment set to be maintained by utilizing the historic statistical fault rate, the voltage level and the importance weight value of the equipment; and adjusting the maintenance decision sequence of the equipment set to be maintained by an associated switch search method, and establishing a maintenance capability restriction and weather restriction-considered maintenance schedule decision method for the switch equipment according to the maintenance decision sequence and by taking deficient power supply volume as an optimization goal.
Owner:CHONGQING UNIV +1

Transformer substation operation safety management and control system based on computer vision locating technology

InactiveCN103259206ASolve the inspection not on time and not in placeSolve closeCharacter and pattern recognitionClosed circuit television systemsPower utilityTransformer
The invention provides a transformer substation operation safety management and control system based on a computer vision locating technology. The transformer substation operation safety management and control system based on the computer vision locating technology comprises an image information collecting device, an image identifying device, a location engine server and a background master station management system, wherein the location engine server receives and processes image location information, and the background master station management system processes actual geographical location information of a target and compares the actual geographical location information of the target with a stored safe range and management area location information to confirm whether the target is in a set safety range and a task area or not. According to the transformer substation operation safety management and control system, activity situations are automatically monitored in real time and recorded, pre-warning is given out timely and record is carried out timely when dangerous activities and tendencies are encountered, and therefore statistic analysis is carried out on activity routines afterwards, the occurrence of safety accidents is avoided, and working efficiency and a management level of a whole transformer substation and an electric power company are improved to a large extent. The transformer substation operation safety management and control system based on the computer vision locating technology farthest reduces influences of human factors by adopting technological means, and effectively eliminates blind angles of transformer substation safety management.
Owner:SHANGHAI SUNRISE POWER CONTROL SYST +1

Special inspection robot for electric power distribution cabinet

The invention relates to a special inspection robot for an electric power distribution cabinet. The special inspection robot comprises a fixed rack, wherein the fixed rack comprises a fixed table; four supporting panels are symmetrically welded at the outer side of the upper end surface of the fixed table; the upper ends of the four supporting panels are welded with a ring-shaped circular table; the middle part of the ring-shaped circular table is provided with a circular opening; four L-shaped brackets are symmetrically welded at the inner side of the upper end surface of the fixed table; the upper ends of the four L-shaped brackets are provided with a mounting table through bolts; the four L-shaped brackets are used for mounting and fixing the mounting table; the lower end surface of the mounting table is provided with a drive motor through a motor base; the output end of the drive motor is connected with a drive shaft through a shaft coupler; and the lower end of the drive shaft is mounted on the fixed table through a bearing. The special inspection robot can realize an automatic detection function for power failure of the power distribution cabinet, is adjustable in lifting height, and does not need artificial detection, so that a great number of electricians are saved, no electric shock potential safety hazards exist, and the life safety of the electricians is protected. The invention provides a new way for automatically detecting the failure of the power distribution cabinet.
Owner:山东严格产业发展有限公司

Secondary safety measure support system in operation and maintenance of intelligent substation and construction method

The invention discloses a secondary safety measure support system in operation and maintenance of an intelligent substation and a construction method. The system comprises an application layer, a service layer and an interface layer, wherein the application layer is used for generating a secondary safety measure in a graphic simulation process and finishing safety isolation of secondary devices and a secondary system; the service layer is used for establishing a secondary system model, simulating and rehearsing the secondary safety measure by utilizing the secondary system, detecting whether the secondary safety measure in the graphic simulation process violates a rule set in advance, and judging the effectiveness of the secondary safety measure; and the interface layer obtains board pressing and loop states from a network analyzer and converts board pressing operation sent by a board pressing state check module into operation information identifiable for an integrated information platform. According to the system, for secondary safety measure establishment, the board pressing and loop states are visually seen and the interoperation relationship of the secondary devices in the whole secondary system can assist operating personnel to establish the secondary safety measure.
Owner:STATE GRID NINGXIA ELECTRIC POWER +1

Platform car for installation of isolating switch mechanism

The invention relates to a platform car for the installation of an isolating switch mechanism, which comprises a platform mechanism, a car frame mechanism and a lifting mechanism, wherein a transversely moving mechanism of the platform mechanism is installed on a bracket through a longitudinally moving mechanism; two upright posts and a back wheel frame of the car frame mechanism are fixed on a car frame, two front wheels are installed on side beams through a front wheel shaft, two back wheels are connected with the back wheel frame through a back wheel shaft and a back wheel bracket, and flexible brake blocks are installed on the back wheel bracket; an adjusting bracket of an adjusting component is installed on two side beams and a back beam, and an adjusting screw rod on a chassis is screwed in a screw hole of the adjusting bracket; and two bearing seats of the lifting mechanism are respectively installed on an end plate and the back beam, two ends of a lifting screw rod which is screwed on a screw nut seat are respectively installed on the two bearing seats through bearings, an L-shaped worm seat is connected with the end plate, and a worm wheel which is connected with the lifting screw rod is meshed with a worm which is installed on the worm seat. The platform car of the invention can conveniently adjust the installation position of the isolating switch mechanism, can be used safely and reliably, and can improve the installation accuracy and the installation efficiency.
Owner:CHANGZHOU POWER SUPPLY OF JIANGSU ELECTRIC POWER +1

Sweeping and patrolling integrated operation robot used for transformer substation

The invention innovatively provides a sweeping and patrolling integrated operation robot used for a transformer substation. The robot comprises a base, a motor-driven walking device, a sweeping and dust sucking device, an ultrasonic distance-measurement unit, an infrared induction detection unit, a monitoring device, an infrared transmitter of an automatic charging device, a CPU (central processing unit) and an alarming device, wherein the motor-driven walking device and the sweeping and dust sucking device are mounted at the bottom of the base; the ultrasonic distance-measurement unit is mounted at the front end of the bottom of the base; the infrared induction detection unit is mounted around the bottom of the base; the monitoring device and the infrared transmitter of the automatic charging device are mounted at the top of the base; the CPU and the alarming device are mounted in the base; the CPU is connected with the motor-driven walking device, the sweeping and dust sucking device, the ultrasonic distance-measurement unit, the infrared induction detection unit, the automatic charging device, the monitoring device and the alarming device respectively. The sweeping and patrolling integrated operation robot integrates sweeping, patrolling, monitoring and prewarning, the operation management level of the transformer substation is improved to the largest extent, the safety degree of the equipment is improved, work efficiency of workers is improved, the maintenance cost is reduced greatly, potential risks are reduced, and the unattended operation of the transformer substation is promoted.
Owner:TIANJIN ANZHUO PUBLIC FACILITIES SERVICES CO LTD

Substation equipment detection system

The embodiment of the invention discloses a substation equipment detection system, which comprises a video collection device, a data transmission network, an image recognition device and a power supply, wherein the video capture device is used for collecting video image data of shifting positions of operating parts, video image data of the indication situation of every indicator light, video image data of reading situations of an air chamber pressure gauge, and video image data of the position situations of every operating mechanism connecting rod; the data transmission network is used for transmitting the video image data collected by the video collection device to the image recognition device; the image recognition device is poisoned at an equipment operating room of a remote substation, and is used for displaying an video image according to the video image data and promoting the abnormality of the video image through displaying early warning signals; and the power supply is used for supplying power to the video collection device. The substation equipment detection system can be used for observing various kinds of situations to realize the equipment detection from a long distance, so that the working time of operators of the substation can be saved, and the working efficiency is enhanced.
Owner:STATE GRID ZHEJIANG NINGBO YINZHOU POWER SUPPLY LTD CO +1
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