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14results about How to "Reduce inspection work" patented technology

Gas leakage repairing method, system, equipment and medium for gas insulated switchgear

The invention discloses a gas-insulated switchgear gas leakage repairing method, system, equipment and medium, and relates to the field of equipment repairing. The method comprises the following steps: scanning the gas insulated switchgear to position a gas leakage part, and preprocessing the gas leakage part; determining a scheme for blending a target interpenetrating network coating material according to the characteristics of the air leakage part and the working environment, and coating the pretreated air leakage part with the blended target interpenetrating network coating material to form a target coating; curing parameters are determined according to the type and thickness of the interpenetrating network coating material and the working environment, the power of a heating source is determined through the curing parameters, the target coating is cured through the heating source based on the power of the heating source, and the curing parameters comprise curing time, temperature, humidity and air pressure; and performing air leakage detection on the cured air leakage part to evaluate the repair effect. By implementing the technical scheme provided by the invention, the air leakage problem can be effectively and durably repaired.
Owner:STATE GRID JIANGSU ELECTRIC POWER CO LTD MAINTENANCE BRANCH

Controllable intelligent photovoltaic monitoring method, system, equipment, medium and program

The invention discloses a controllable intelligent photovoltaic monitoring method, system, device, medium and program, and belongs to the technical field of photovoltaic power station fault monitoring. The method comprises the following steps: acquiring actually measured environmental parameters and actual output power of a photovoltaic power station; obtaining theoretical output power according to the photovoltaic array mathematical model; pre-processing the I-V characteristic data according to an actually measured I-V characteristic curve of the photovoltaic array to obtain pre-processed data; simulating the preprocessed data to extract fault features, and calculating a corrected power deviation according to the extracted fault features and a preset theoretical output power; and judging the fault type of the photovoltaic equipment based on the corrected power deviation. According to the method, real-time monitoring data is compared with a theoretical model estimation result, and an artificial intelligence algorithm is applied, so that fault diagnosis of the photovoltaic equipment is realized.
Owner:华能(嘉峪关)新能源有限公司 +1

Road and bridge visual construction operation and maintenance system and method based on BIM (Building Information Modeling) technology

The invention provides a road and bridge visual construction operation and maintenance system and method based on a BIM technology, and relates to the field of intelligent analysis. According to the method, design data are extracted from design software, construction data are recorded in real time in the construction process, stress data are obtained by arranging a stress sensor, and nondestructive testing is carried out to obtain a stress distribution image. A three-dimensional model is constructed by using a BIM technology, stress features are extracted from the BIM model mapping stress distribution through a 3D convolutional neural network, and a contrast loss function is constructed to enhance the distinguishing between a normal area and an abnormal area. A potential abnormal region is identified by applying an energy-based graph optimization method, and a three-dimensional region of stress abnormal distribution is determined through a clustering algorithm. Real-time updating of data is ensured based on the cloud computing technology, the precision of decision support is improved by adopting advanced data processing and machine learning technologies, and the efficiency and safety of road and bridge construction and operation and maintenance are improved.
Owner:ZHANGJIAKOU JIYUAN ROAD & BRIDGE ENG CO LTD

High-precision testing fixture for copper bar and plastic base of new energy automobile and use method of high-precision testing fixture

PendingCN119197254AReduce inspection workLess adjustment workMechanical counters/curvatures measurementsMechanical diameter measurementsNew energyBusbar
The invention relates to the technical field of high-precision detection tools, in particular to a high-precision detection tool for a copper bar and a plastic base of a new energy automobile and a use method thereof.The high-precision detection tool comprises a workbench, a detection tool body and a copper bar, the upper end of the workbench is fixedly connected with the detection tool body, the copper bar is installed at the upper end of the detection tool body, a detection pin is installed on the outer side of the copper bar, and a go-no go gauge is installed on the outer side of the copper bar; a dust collector power module is fixedly connected to the upper end of the workbench, a connecting pipe is fixedly connected to one side of the dust collector power module, and a dust collection device is fixedly connected to one end of the connecting pipe. The dust collection device comprises a dust collection bin, a mounting groove is formed in one side of the dust collection bin, a mounting part is mounted on the inner side of the mounting groove, a mounting cover is fixedly connected to one side of the mounting part, a separation plate is fixedly connected to the inner side of the dust collection bin, and a cleaning device is fixedly connected to the upper end of the dust collection bin. Friction resistance change caused by dust is reduced, the accuracy of the go-no go gauge in aperture detection is ensured, and the detection precision of aperture size judgment is ensured.
Owner:ZHANGJIAGANG PEPC AUTOMOTIVE SYST CO LTD

Collecting disc structure

The utility model relates to the technical field of batteries, and discloses a collector plate structure which comprises a shell assembly, a pole is arranged in the center of the top of the shell assembly, a collector plate is welded to the top of the inner side of the shell assembly, a middle protruding face is arranged in the center of the top face of the collector plate, and a middle thinning groove is formed in the top face of the middle protruding face. According to the utility model, after the through hole of the pole mentioned in the step 3 and the collector plate are assembled, a welding position is formed at the contact part, and then laser landing edge welding is carried out, so that a battery manufacturer can ensure high quality and high reliability of a battery assembly by adopting a laser landing edge welding technology; and meanwhile, the production efficiency is improved, the cost is reduced, laser welding becomes one of the preferred welding technologies in the battery manufacturing industry through the advantages, and the beneficial effects of improving the production efficiency and controlling the cost are achieved.
Owner:DALIAN CBAK POWER BATTERY CO LTD

Remote intelligent operation and maintenance system for diesel generator sets

The invention discloses a remote intelligent operation and maintenance system for a diesel generator set, which relates to the technical field of diesel generator operation and maintenance, and comprises a contact surface image acquisition module, a contact surface contour acquisition module, a contact area acquisition module, a contact distribution coefficient acquisition module, a contact abnormality mark generation module, a deviation area marking module and a display terminal; by analyzing whether the contact area between a carbon brush and a rotor is kept within a certain range, once a contact abnormality is detected, a contact abnormality mark is generated, and a contact abnormality notification is sent to a remote monitoring terminal in real time, which is conducive to relevant personnel to take corresponding inspection and processing measures for the carbon brush in time, which includes but is not limited to replacing the carbon brush, cleaning the slip ring or adjusting the carbon brush pressure, so as to realize remote monitoring of the diesel generator set, effectively reduce the wear between the carbon brush and the rotor, reduce the failure rate of the diesel generator, and extend the service life of the diesel generator.
Owner:HUNAN GUBO ELECTROMECHANICAL CO LTD

A bridge pier defect detection system and method based on impact echo method

The present invention discloses a pier defect detection system and method based on an impact echo method. The system comprises a mobile structure, the mobile structure comprises a cam tensioning structure, the cam tensioning structure is arranged on a side of a mobile body away from the pier, the detection marking structure is arranged on a side of the mobile body close to the pier, the mobile body, the cam tensioning structure and the detection marking structure are all electrically connected to a control module, the cam tensioning structure comprises a static pulley group and a cam group, and the rotation of the cam is controlled so that the fastening pressure between the mobile structure and the pier can be adjusted; the method comprises the following steps: the mobile structure is installed around the pier through a tensioning belt, the tension of the cam and the tensioning belt is adjusted until it is within the setting range of the controller, the control module controls the movement of the mobile body, the pier is detected, the defective areas are marked, and the detection of the pier is completed; the present invention is applicable to variable-section and constant-section piers, and the mobile structure can operate stably on the pier surface, reducing the subsequent workload.
Owner:CHANGSHA UNIVERSITY OF SCIENCE AND TECHNOLOGY

A winding machine for cable processing

ActiveCN224279336UPrevent bad windingWinding flatFilament handlingWinding machineElectric machinery
This utility model belongs to the field of cable processing technology and discloses a winding machine for cable processing, including a base plate, a support plate fixedly connected to the upper surface of the base plate, a winding cylinder fixedly connected to the outer surface of the support plate, a mounting base fixedly connected to the outer surface of the support plate, a first motor fixedly connected to the lower surface of the mounting base, a lead screw fixedly connected to the output end of the first motor, a threaded block threadedly connected to the lead screw, a rotating rod rotatably connected to the threaded block, and a tensioning wheel fixedly connected to the other end of the rotating rod. A sliding groove is provided on the base plate, and a slider is slidably connected in the sliding groove. Through the cooperation of the first motor, lead screw, threaded block, rotating rod and tensioning wheel, the cable can be tightened. The height position of the tensioning wheel can be adjusted according to the material or tightness of the cable, so as to obtain the optimal tension suitable for different types of cables. Reasonable tension force and tension uniformity help the cable to be wound flat and compactly.
Owner:TIANJIN YOURONG OPTICOM COMM TECH CO LTD

Airplane multichannel pipeline electric lap joint fixing device

The utility model provides an airplane multi-channel pipeline electric lap joint fixing device which comprises an upper clamping belt, a lower clamping belt, an upper clamping belt and a lower clamping belt. The lower lap joint sheet is used for being in electrical contact with the pipeline to provide lap joint; the pipeline supporting piece is used for supporting and fixing a pipeline; the base is used for being in electric contact with the upper clamping belt and the aircraft pipeline support to form an electric lap joint path; the two ends of the upper clamping belt and the base are fixed to the aircraft pipeline support through bolts and gaskets, and the upper clamping belt, the lower lap joint piece, the pipeline supporting piece, the base and the aircraft pipeline support are fixed together through long bolts in the middle. According to the utility model, the pipeline fixing function can be realized, the electric lap joint function can be realized, the weight of an airplane is reduced, and the occupation of the internal space of the airplane is reduced; the pipe clamp is lower than a traditional pipe clamp, and the upper portion of the pipe clamp is attached to the pipeline, so that interference with surrounding structures or system components can be avoided under some conditions.
Owner:AVIC SAC COMML AIRCRAFT

Steel pipe column middle layer node connecting structure

The invention discloses a steel pipe column middle layer node connecting structure which comprises a plurality of outer reinforcing ring plates, a plurality of outer reinforcing ring plates and a plurality of inner reinforcing ring plates. The steel beam is connected with the outer reinforcing ring plate; the steel plate cover plates are arranged at the upper and lower ends of the outer reinforcing ring plate; the longitudinal steel plate is arranged on the steel pipe column, and one end of the longitudinal steel plate is connected with the steel plate cover plate; according to the scheme, the wing-expanded outer reinforcing ring plate is arranged at the middle layer node of the steel pipe column, so that the bending moment and shearing force of the node area of the steel pipe column can be effectively transmitted by utilizing the outer reinforcing ring plate, the purpose of connecting the steel pipe column and the steel beam is achieved, and the purposes of improving the node ductility and reducing the cost are achieved. The problem of difficulty in connection mode and construction of the middle layer side column and the middle column joint for connecting the steel pipe column and the steel beam is effectively solved, and the steel pipe column and the steel beam have great popularization and application prospects. And the steel bars in the horizontal direction are directly welded on the longitudinal steel plates, so that the work of welding on a construction site and detecting the welding seam quality is reduced, the construction quality is ensured, and the construction efficiency is improved.
Owner:CHINA ENERGY CONSTR GRP SHAANXI ELECTRIC POWER DESIGN INST CO LTD

A switchgear abnormality warning method and system

The present invention discloses a switchgear abnormality early warning method and system, comprising: extracting the signal timing process of each control event according to the remote control information table associating the remote signal change table; processing the signal data to form a signal timing interval data set, calculating the timing of the signal experienced by each control event and the time interval between the signals; building a switchgear abnormality early warning model based on SVM, realizing early warning of potential abnormalities of the equipment by inputting the timing relationship of the control signal. The present invention reduces the probability of system accidents and improves the overall safety and reliability of the power system.
Owner:NARI TECH CO LTD

Location monitoring system and method for partial discharge of distribution transformer

The invention discloses a distribution transformer partial discharge positioning monitoring system and method, a low voltage side and a high voltage side of a distribution transformer are respectively connected with a voltage sensor, the low voltage side of the distribution transformer is connected with a current sensor, the voltage sensor and the current sensor are connected with an edge calculation module, and the edge calculation module is connected with an intelligent fusion terminal. The edge calculation module is used for collecting and processing signals and uploading the signals to the intelligent fusion terminal, the insulation state of the distribution transformer can be continuously monitored in real time, the partial discharge phenomenon can be more accurately positioned and monitored, and therefore potential safety hazards are prevented from developing into serious faults. The risk of equipment faults can be reduced, stable operation of a power system is guaranteed, and large-area power failure or more serious safety accidents caused by the equipment faults are prevented.
Owner:POWER RES INST OF STATE GRID SHAANXI ELECTRIC POWER CO LTD +1

Unit unit data intelligent acquisition and diagnosis system based on vibration characteristics

The invention discloses a vibration characteristic-based unit set data intelligent acquisition and diagnosis system, relates to the technical field of unit set data intelligent acquisition, and aims to solve the problem that vibration characteristic data acquisition of a thermal power generation unit set is not intelligent and inaccurate. Through automatic early warning and fault diagnosis, an enterprise can be helped to optimize resource configuration of a maintenance team, the situation of excessive maintenance or insufficient maintenance is avoided, and through automatic data collection, analysis and early warning processing, the efficiency of operation and maintenance work can be remarkably improved. Operation and maintenance personnel can more concentrate on execution of key tasks and solving of complex problems, unnecessary patrol and detection work is reduced, storage space is monitored in real time through the data monitoring terminal, integrity and accuracy of data are ensured, a real-time monitoring and adjusting mechanism enables the system to adapt to complex and changeable network environments, and the system is suitable for large-scale popularization and application. And by intelligently selecting the optimal transmission channel, the data transmission efficiency can be remarkably improved.
Owner:ZHONGDIAN HUACHUANG ELECTRIC POWER TECH RES +2

GIS expansion joint intelligent detection alarm device

The invention, which relates to the technical field of expansion joint detection, discloses a GIS expansion joint intelligent detection alarm device comprising a sensor component, a repeater and a monitoring terminal. The sensor part is responsible for collecting displacement data of the expansion joint in real time, the repeater is responsible for receiving the displacement data of the sensor part and forwarding the displacement data to the monitoring terminal, and the monitoring terminal is responsible for receiving and processing the displacement data. The expansion joint displacement detection device is stable in structure, once the expansion joint displaces, the angle, the distance and the like can be changed, detection data can also be changed, in the detection process, operation and maintenance workers do not need to manually detect the data in real time, collect the displacement data of the expansion joint through a sensor component and transmit the displacement data to a monitoring terminal, the inspection work of the workers is reduced, and the detection efficiency is improved. The labor cost is saved, and real-time monitoring is realized.
Owner:STATE GRID XINJIANG ELECTRIC POWER CO LTD CHANGJI POWER SUPPLY CO