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177results about "Supervisory desks/panels" patented technology

Intelligent power distribution cabinet state dynamic monitoring method and system

The invention relates to the technical field of power distribution cabinet detection, and discloses an intelligent power distribution cabinet state dynamic monitoring method and system, and the method comprises the following steps: collecting multi-source data generated in the operation process of a power distribution cabinet; preprocessing the multi-source data to generate a standardized data set; a random field model is constructed and used for describing the spatial relevance between units in the power distribution cabinet and the relation between the state of each unit and multi-source data, and model parameters are estimated through the maximum logarithmic posterior probability. An intelligent power distribution simulation model and a multi-source data acquisition technology are adopted, multi-dimensional parameters are acquired in real time through a high-precision sensor, monitoring efficiency and decision accuracy are remarkably improved, data analysis integrity and model sensitivity are ensured through dynamic time modeling and capturing of space and time relevance of the power distribution cabinet, and the power distribution cabinet can be monitored more accurately. And the state distribution visualization and maintenance priority strategy generation module optimizes the maintenance plan, reduces the operation and maintenance cost, and guarantees the stability of the power distribution system.
Owner:SHENZHEN GUANGHUI ELECTRIC APPLIANCE IND CO LTD

Ring main unit pressure relief device and ring main unit thereof

The invention discloses a ring main unit pressure relief device and a ring main unit thereof, and relates to the technical field of ring main units, the ring main unit pressure relief device comprises a mounting plate, an air outlet piece is fixedly mounted on the surface of the mounting plate, the bottom of the air outlet piece is fixedly connected with an air storage cylinder, the air outlet end of the air outlet piece is fixedly connected with a bent pipe, and the bent pipe is fixedly connected with a pressure relief valve. A buffer part is fixedly installed on the top of the bent pipe, a pressure sensor is fixedly installed on the surface of the installation plate, and a limiting part, an air blocking part and a releasing part are installed on the surface of the installation plate. According to the ring main unit pressure relief device, through cooperation of the gas blocking piece, the release piece, the limiting piece and the pressure sensor, the gas pressure in the ring main unit is monitored in real time, and pressure relief and gas relief are conducted in time. The ring main unit comprises a cabinet body and a cabinet door rotatably installed on the surface of the cabinet body, and an observation window and a control panel are fixedly installed on the surface of the cabinet door.
Owner:HENAN XJ INTELLIGENT CONTROL TECH

A switch cabinet control device

The utility model relates to the technical field of switch cabinets, and specifically to a switch cabinet operating device, including a cabinet body and an operating panel, and also including a shielding component, the shielding component including a storage bracket, an oriented frame, a movable slide, a supporting slider, a supporting rod, a rotating block, a shielding plate and an auxiliary component, the storage bracket is fixedly connected to the cabinet body, the oriented frame is fixedly connected to the storage bracket, the movable slide is slidably connected to the oriented frame, the supporting slider is fixedly connected to the movable slide, the supporting rod is fixedly connected to the supporting slider, the rotating block is rotatably connected to the support rod, the shielding plate is fixedly connected to the rotating block, and the auxiliary component is arranged on the shielding plate, after the shielding plate is pulled out from the storage bracket, the shielding plate can be flipped to the top of the operating panel of the cabinet body, and then the operating panel is shielded, so as to prevent the operator from touching the operating panel during the normal operation of the cabinet body, and then avoid the cabinet body from being operated incorrectly and causing abnormal operation of the cabinet body.
Owner:PUSHI (SICHUAN) ENERGY MANAGEMENT CO LTD

Visual auxiliary device for electric power communication cabinet

The invention relates to the technical field of electric power communication cabinets, in particular to an electric power communication cabinet visualization auxiliary device which comprises a cabinet body, a cabinet door and installation support assemblies used for installing communication equipment, the installation support assemblies are symmetrically and fixedly arranged in the cabinet body, and a cabinet door hinge is arranged on the cabinet body. A first power distribution unit is arranged at the upper end in the cabinet body through a mounting bracket assembly, a dynamic environment monitoring module is arranged at the lower end of the first power distribution unit, and a visual auxiliary device is arranged at the top of the inner side of the cabinet body at the upper end of the first power distribution unit; the visual auxiliary device is connected with a power and environment monitoring module arranged at the lower end of the first power distribution unit through a wire in the cabinet body; the power and environment monitoring module comprises a power and environment module, a data storage module, a management module and an alarm module; the system has the advantages that the management capability of data information of the electric power communication cabinet is improved, and real-time monitoring and management of internal equipment of the electric power communication cabinet are realized.
Owner:NEIHUANG POWER SUPPLY CO OF STATE GRID HENAN ELECTRIC POWER CO

Movable high-low voltage switch cabinet with monitoring function

A movable high-low voltage switch cabinet with a monitoring function disclosed by the present invention comprises a base, the top of the base is slidably provided with a supporting table, the top of the supporting table is rotatably provided with a cabinet body, the bottom of the left corner of the front surface of the cabinet body is provided with a notch, and the notch is internally provided with a positioning mechanism. And the positioning mechanism is clamped and matched with the supporting table at the bottom, a middle groove is formed in the base, and a transverse plate is fixedly installed in the middle groove. According to the invention, remote data transmission monitoring is realized by using the communication module to ensure that the terminal monitors the operation data of the cabinet body in real time, then synchronous monitoring of the wind speed and the temperature is carried out on the exhaust airflow of the heat dissipation structure, and monitoring of the overall temperature change in the cabinet body is realized by using an exclusion method. And meanwhile, the operation state of the heat dissipation mechanism is synchronously monitored, so that more abundant and comprehensive operation data monitoring is realized, and the overall state of the cabinet body is more comprehensively and accurately mastered.
Owner:JIANGXI MINGZHENG SUSTION EQUIP

Intelligent auxiliary disk monitoring system and method

The invention relates to the technical field of intelligent disk monitoring, in particular to an intelligent auxiliary disk monitoring system and method. The control module comprises a data processing module, a monitoring alarm module connected with the data processing module, a working condition analysis module connected with the data processing module, an evaluation decision module simultaneously connected with the monitoring alarm module and the working condition analysis module, an interaction module connected with the working condition analysis module, and a communication notification module connected with the interaction module; and the configuration management module is connected with the monitoring alarm module, the working condition analysis module and the evaluation decision-making module at the same time. The system has the advantages that through integrated monitoring and data analysis, the informatization level of power plant operation is remarkably improved, operation guidance is optimized, cost is reduced, economical efficiency is enhanced, the advanced clustering analysis and mode recognition technology is adopted, real-time monitoring and intelligent early warning of the equipment state and the operation working condition are achieved, and the system is suitable for popularization and application. And the maintenance level and the operation reliability of the equipment are improved.
Owner:FANPING BRANCH OF HUANENG GANSU ENERGY DEVELOPMENT CO LTD

Portable substation data communication equipment

The invention relates to a portable substation data communication device. The portable substation data communication device comprises a shell; the data communication module is used for collecting operation data of the transformer substation; the current transmission module comprises a power line and a plug, the power line penetrates through the shell and is flexibly connected with the shell, and the plug is used for being connected with an external power supply; the power line positioning mechanism is used for clamping the part, extending out of the shell, of the power line; the lifting mechanism can swing and stretch out and draw back and is used for being lifted by a worker; the external mounting mechanism is adjustable in angle and used for being fixedly connected with a mounting foundation; the data line interface mechanism is used for elastically clamping the transformer substation data line penetrating through the shell; a display screen; and indicating lamps. According to the invention, multi-angle bending adjustment can be carried out for connection power supply, a power line can be conveniently positioned and clamped in a carrying and transporting process, and the power line can be conveniently and directly held and stretched for length adjustment for carrying and use; data communication equipment can be integrally fixed to a transformer substation at different angles and positions, and a transformer substation data line plug can be stably clamped and positioned in an anti-skid mode.
Owner:UHV CO OF STATE GRID NINGXIA ELECTRIC POWER CO LTD +1

Integrated power panel

The present disclosure relates to an integrated power panel. The system includes one or more busbars coupled to the AC line, branch relays each coupled to the busbars and a respective circuit breaker, and current sensors each corresponding to at least one respective branch relay of the plurality of branch relays. The system also includes an air interface disposed in front of the plurality of branch relays and including openings corresponding to the branch relays, allowing an electrical terminal of each branch relay to protrude forward through a respective opening. A circuit breaker engages with each respective branch relay on a null junction to create an array of branch circuit breakers. The combination of relays and circuit breakers allows each branch circuit to be controllable. The relay may include a current sensor, such as a shunt, for determining branch circuit current and controlling the relay. Control circuitry manages relay switch operation and monitors branch circuit operation.
Owner:SPAN IO INC

Purification method, system, device, storage medium and computer equipment of switch cabinet

The application discloses a kind of switch cabinet purification method, system, device, storage medium and computer equipment.The method comprises: obtaining the environmental information of all grid spaces pre-divided in switch cabinet, wherein each grid space has the same spatial complexity;Based on the environmental information of each grid space, determine the condensation temperature threshold and particulate matter deposition threshold corresponding to each grid space, and monitor the temperature information and particulate matter concentration information of each grid space;Determine whether the temperature information of each grid space is less than or equal to the condensation temperature threshold corresponding to the grid space, and whether the particulate matter concentration information is greater than or equal to the particulate matter deposition threshold corresponding to the grid space;If the temperature information is less than or equal to the condensation temperature threshold and / or the particulate matter concentration information is greater than or equal to the particulate matter deposition threshold, then perform environmental purification work on the switch cabinet.The above method can greatly improve the environmental purification effect of switch cabinet.
Owner:SICHUAN SIJI TECHNOLOGY CO LTD

One-key sequential control controller

The utility model provides a one-key sequential control controller. The one-key sequential control controller comprises a shell and a control circuit board, the shell comprises an upper shell body and a lower shell body, screw openings of the fixing screws are arranged on the front face of the upper shell body and the bottom face of the lower shell body, and the upper shell body and the lower shell body are fixed together through the screws. And the control circuit board is arranged in the shell and is used for operating and controlling the circuit breaker, the handcart and the grounding switch. The device has a local operation mode and a remote operation mode, and can automatically complete the operation of the circuit breaker, the handcart and the grounding knife switch according to an input instruction; meanwhile, the switch operation of the switch cabinet is controlled to be in the working state required by the input instruction, such as operation, hot standby, cold standby and maintenance.
Owner:HANGZHOU THINGCOM INFORMATION TECH

Distribution box with data interaction function

The present invention provides a distribution box with data interaction function, the distribution box with data interaction function includes a moving part, a control part and a data interaction part, the moving part includes an electric valve and an electric telescopic rod, the control part includes a main control single-chip computer and a control panel, the data interaction part includes a distribution box detector and an output port, the electric valve is electrically connected to the main control single-chip computer and is provided at the bottom of the distribution box, the control panel is provided on the support rod and electrically connected to the main control single-chip computer, the distribution box detector is electrically connected to the main control single-chip computer and is provided in the distribution box, the distribution box detector is arranged to detect data of an electric device in the distribution box, the output port is electrically connected to the distribution box detector and performs data interaction with an external device, the fixed end of the electric telescopic rod is provided on the side wall of the distribution box, and the moving end of the electric telescopic rod is aligned with the electric valve and connected to the output port. The present invention helps maintenance personnel to quickly obtain data of the distribution box.
Owner:ENG CONSTR MANAGEMENT BRANCH OF CHINA SOUTHERN POWERGRID POWER GENERATION CO LTD

High-voltage inflatable switch cabinet for training

The utility model discloses a high-voltage inflatable switch cabinet for training, which comprises a cabinet body and a protective device, and the protective device comprises a control unit, a man-machine interaction unit and a switch unit. The switch unit comprises a bus relay, a circuit break relay, a cable relay and a low-voltage relay, interaction signals are input to the control unit through the man-machine interaction unit, and the control unit controls the bus relay, the circuit break relay, the cable relay and / or the low-voltage relay through the interaction signals. After starting up, the protection device is electrified to work, the use authority is input through the man-machine interaction unit, and the control unit controls the corresponding relay to be connected with the inlet wire of the room according to the use authority, so that safety accidents caused by unskilled operation are avoided in the process that students use the simulation operation device to carry out simulation operation. Therefore, the operating environment of the switch cabinet can be truly simulated, high-voltage electricians can perform simulation training in a safe environment, and the skills of the electricians are improved.
Owner:滨州港务集团有限责任公司

Non-standard distribution box for optimizing electric energy distribution

The utility model discloses a non-standard distribution box for optimizing electric energy distribution, which comprises a box body, a power supply output unit is arranged in the upper space of the box body, and a lead-acid storage battery is arranged in the lower space of the box body; the input end of the power supply output unit is connected with the uninterruptible power supply, and the uninterruptible power supply is connected with six output interfaces; the lead-acid storage battery is connected with a charging controller, the charging controller is connected with a control end of the uninterruptible power supply, and the lead-acid storage battery is connected with an inverter of the uninterruptible power supply; the lead-acid storage battery and the uninterruptible power supply are connected with an electric quantity monitoring module; the electric quantity monitoring module is connected with a display screen; and the manual switching button is connected between the input end of the power supply output unit and the uninterruptible power supply. The design of the non-standard distribution box provides a multifunctional power supply solution which integrates uninterrupted power supply, optimized electric energy distribution, expansion flexibility, safety, monitoring and management, convenient operation, customization, high efficiency, reliability and user experience.
Owner:威海双城电气有限公司

High-reliability live replacement of signal light device and method

This invention relates to the field of live-line replacement technology for power installations, and discloses a highly reliable live-line replacement device and method for signal lights, aiming to improve the safety and reliability of signal light replacement operations. The device includes a covered enclosure with an integrated display screen, positive and negative terminals and grounding wiring sockets, an audible and visual alarm, and an operating panel for a miniature air switch. Inside the enclosure are a control unit and a power supply unit, along with a dedicated connecting cable assembly. The control circuit board of the control unit integrates voltage detection and display modules. The power supply unit adopts a dual power supply mode combining a battery and a charging management module. The fully insulated alligator clips of the connecting cable assembly are conductive only at the clamping points, with the rest insulated. The method completes the operation through the steps of starting the device, constructing a grounding protection circuit, establishing and verifying the voltage monitoring circuit pole by pole, replacing the signal light while it is energized, restoring the wiring in sequence, and finally storing the device. The voltage is monitored in real time throughout the process, and abnormal audible and visual alarms are set.
Owner:NANCHANG POWER SUPPLY BRANCH OF STATE GRID JIANGXI ELECTRIC POWER CO LTD

Medium-voltage air-pressurized cabinet control panel dynamically displaying working state of bus and control method thereof

The application relates to a medium-voltage air-charge cabinet control panel and a control method for dynamically displaying the working state of a bus, wherein the control panel is provided with an LED lamp strip for displaying the working state of the bus; the LED lamp strip for displaying the working state of the bus comprises three lamp strip bands; the three lamp strips are respectively displayed as yellow, green and red; three sensors are arranged in the control cabinet for each phase of the bus; the sensors for each phase comprise an upper inlet bushing sensor, a vacuum switch tube lower port sensor and a lower outlet wire bus bushing end sensor; secondary voltage signals are sensed by the sensors, are led out from the cabinet body through an aviation plug, and three sensors are arranged for each phase; the sensors are connected with the lamp strips; each sensor controls a section of the lamp strip. The medium-voltage air-charge cabinet control panel and the control method can faster find problems, more accurately display fault positions, timely eliminate faults, are safe and reliable, and guarantee safe operation of equipment.
Owner:BEIJING HEROSAIL POWER SCI & TECH

Power device and message visualization method thereof

The invention provides a power device and an information visualization method thereof. The power device is used for providing an operation power supply for at least one load. The power device comprises a display interface and a control circuit. The control circuit is used for displaying a color image through the display interface so as to present at least one of a system state and a system setting of the power device by using the color image.
Owner:CYBER POWER SYST

Intelligent safety monitoring equipment of distribution network terminal

The invention provides intelligent safety monitoring equipment of a distribution network terminal, which comprises terminal equipment, a movable plate, a rotating strip and a torsion spring shaft, and is characterized in that the bottom end of the movable plate is connected with the fixed end of the rotating strip, and the movable end of the rotating strip is connected with the torsion spring shaft and is rotatably connected to the front surface of the terminal equipment through the torsion spring shaft; when the movable plate is in the limiting state, the movable plate is detachably connected with the terminal equipment; when the movable plate is placed, the rotating strip drives the movable plate to rotate by 90 degrees through rotation of the torsional spring shaft, and therefore the movable plate is in a placed state. According to the intelligent safety monitoring equipment of the distribution network terminal provided by the invention, when monitoring data needs to be observed for a long time, only the limiting state of the movable plate needs to be released, so that the torsion spring shaft pushes the rotating strip to put down the movable plate, an available seat is formed, and finally, the terminal equipment provided with a simple detachable folding seat is provided; and extra chair occupation is avoided.
Owner:GUANGDONG POWER GRID CO LTD +1

Information collection device of distribution network low-voltage transformer area topology

The utility model discloses an information collection device of a distribution network low-voltage transformer area topology, and belongs to the technical field of information collection devices. In order to solve the problem that an existing product is complex in structure, the electric energy meter comprises an electric energy meter body, a wiring terminal is installed at the front end of the electric energy meter body, a cover plate is arranged at the front end of the electric energy meter body, the electric energy meter body and the cover plate are connected through a connecting mechanism, and a wiring notch is formed in the lower end of the cover plate. And a fixing mechanism is arranged on the cover plate. According to the utility model, through the arrangement of the fixing mechanism, the electric wire can be automatically clamped and fixed when the electric energy meter is used, the electric wire loosening caused by the vibration of the electric energy meter is avoided, the risk of loosening of the electric wire is avoided, the cover plate is matched to completely seal the wiring terminal, dust and other impurities can be prevented from entering, and a good isolation protection effect is achieved; the influence of dust or impurity accumulation on the use of the electric energy meter is avoided.
Owner:CHONGQING ELECTRIC POWER DESIGN INST CO LTD

A 0.4kV integrated monitoring and AC / DC power supply integrated structure screen

The present invention proposes a 0.4kV integrated monitoring and AC / DC power supply integrated structural screen, which relates to the technical field of structural screens. The present invention integrates traditional scattered monitoring, communication and management screens, DC power supply screens and tool cabinets into a single standardized screen cabinet through modular integrated design. The outer shell of the present invention has layered layouts of tool drawers, battery packs, power input and output line switches, input device drawers and DC power supply system modules and other components. The digital monitoring large screen collects and displays electrical parameters in real time, the embedded DC power supply module accurately controls current and voltage, and the centralized operation panel and digital display module collaborate to realize human-computer interaction. The equipment is prefabricated in the factory and can be "put in and use" after pre-installation and pre-debugging. No secondary wiring is required on site, which significantly reduces the footprint and simplifies the construction process. It is suitable for scenarios such as prefabricated cabins and box transformers.
Owner:CHENZHOU DONGTANG ELECTRIC EQUIP

Electronic engineering electrical cabinet

The utility model relates to the technical field of electrical cabinets, in particular to an electrical cabinet for electronic engineering, which comprises a cabinet body and a heightening frame, a cabinet door is hinged to an opening in the front side of the cabinet body, the heightening frame for lifting is fixedly arranged at the bottom of the cabinet body, and ventilation openings are formed in the circumferential side walls of a frame body of the heightening frame; the cabinet further comprises first filter screens, a first mounting frame and the like, the first filter screens are mounted at the ventilation openings of the heightening frame, the first filter screens are used for preventing foreign matter from entering the heightening frame, an air inlet is formed in the bottom of the cabinet body, and the first mounting frame is fixedly embedded in the air inlet of the cabinet body. According to the utility model, external air is sucked into the cabinet body through the air inlet fan, and hot air is exhausted through the top exhaust fan, so that a circulating air duct from bottom to top is formed, the heat dissipation efficiency of electrical elements in the cabinet body is improved, dust accumulated on the filter frame can be shaken off through the vibration piece, blockage is avoided, and good heat dissipation and ventilation performance is maintained.
Owner:SHANDONG ZHONGLIAN ELECTRIC CO LTD

Switchgear with temperature monitoring mechanism

The application belongs to the technical field of electrical equipment, and discloses a switch cabinet with a temperature monitoring mechanism, which comprises a cabinet body, one end of the cabinet body is connected with a cabinet door through a hinge, and the outer surface of the cabinet door is provided with an observation window; the monitoring host, the warning device, the temperature sensor, the connecting plate, the air inlet fan and the air outlet fan are arranged; the temperature sensor can sense the temperature inside the cabinet body; the temperature sensor transmits the temperature data to the monitoring host; the monitoring host is provided with a display screen and can display the temperature value; when the temperature value is too high, the warning device can issue an alarm; the monitoring host can control the air inlet fan and the air outlet fan to rotate synchronously; the air inlet fan can send air to the inside of the cabinet body through the air outlet; the air outlet fan can discharge the hot air inside the cabinet body through another air outlet; and the air outlets are all provided with filter screens to block the impurities in the air, so that the cabinet body can be cooled while the temperature is monitored.
Owner:STATE GRID HUBEI ELECTRIC POWER RES INST +1

Socket body mounting bracket

The objective is to provide an attachment that allows for the attachment and detachment of sockets to plate-like materials such as metal plates by attaching and detaching fittings to a socket used for a dedicated frame. [Solution] The mounting bracket 1 for the socket body 32 according to the present invention is a mounting bracket 1 that enables the attachment of a socket 31 for use in a mosaic panel, which consists of a cylindrical socket body 32 in which a substrate 33 can be attached to the inside, to a plate-shaped body X. The mounting bracket 1 has an upper engaging portion 11 formed by bending a hook shape from the top of the main body portion 10 inward so as to be able to engage with the opening edge portion 32a of the socket body 32, and an inclined engaging portion 12 that extends inward from the bottom to the top of the main body portion 10, and a protruding fixing portion 20 that protrudes and extends from the main body portion 10 to be attached to the plate-shaped body X.
Owner:KCC SHOKAI

Novel 0.4 kV integrated monitoring and AC / DC power supply integrated structure screen

The invention provides a novel 0.4 kV integrated monitoring and AC / DC power supply integrated structure screen, and relates to the technical field of structure screens. A monitoring communication management screen, a DC power supply screen and a tool cabinet which are traditionally scattered are integrated into a single standardized screen cabinet through a modular integration design; a tool drawer, a storage battery pack, a power inlet and outlet wire switch, an input equipment drawer, a direct-current power system module and other components are arranged in an outer shell in a layered mode, a digital monitoring large screen collects and displays electrical parameters in real time, an embedded direct-current power module accurately regulates and controls current and voltage, and a centralized operation panel and a digital display module cooperate to achieve man-machine interaction. The equipment is produced in a factory in a prefabricated mode, the equipment can be used immediately after being preassembled and debugged, secondary wiring is not needed on site, the occupied area is remarkably reduced, the construction process is simplified, and the equipment is suitable for scenes such as a prefabricated cabin and a box transformer substation.
Owner:CHENZHOU DONGTANG ELECTRIC EQUIP

A control cabinet for simulating operation and maintenance faults of a switch cabinet and a method for simulating faults thereof

The present application belongs to the technical field of switch cabinet operation and maintenance simulation, and particularly relates to a switch cabinet fault simulation training and examination system and method, comprising a touch liquid crystal screen, a main control cabinet, a drawer, a fault simulation cabinet, a control signal input and output cabinet and a plurality of data lines; the fault simulation cabinet is connected with the main control cabinet through the data lines, and the fault simulation cabinet is arranged on the top of the main control cabinet; a power supply cabinet is connected to one side of the main control cabinet, and the top of the power supply cabinet is provided with the drawer; the rear side of the main control cabinet is connected with the control signal input and output cabinet; and the fault simulation cabinet is connected with the touch liquid crystal screen through the data lines. The present application combines the complex electrical primary system diagram with the entity cabinet, can simulate the practical operation and explanation, realizes the "visualization" training of the switch cabinet electrical primary system principle diagram, and solves the problem of the poor training effect of the current switch cabinet electrical primary system practical operation training which is based on the theory training and auxiliary on-site partial understanding learning.
Owner:JIANGSU NUCLEAR POWER CORP

Distribution box having data interaction function

Provided by the present disclosure is a power distribution box having a data interaction function, comprising a moving mechanism, a control mechanism and a data interaction mechanism. The moving mechanism comprises an electric valve and an electric telescopic rod. The control mechanism comprises a main control single-chip microcomputer and a control panel. The data interaction mechanism comprises a power distribution box tester and an output port. The electric valve is electrically connected to the main control single-chip microcomputer and is arranged at the bottom of the power distribution box. The control panel is arranged on a support rod and is electrically connected to the main control single-chip microcomputer. The power distribution box tester is electrically connected to the main control single-chip microcomputer and is arranged in the power distribution box, and the power distribution box tester is used for testing electrical devices of the power distribution box.
Owner:ENG CONSTR MANAGEMENT BRANCH OF CHINA SOUTHERN POWERGRID POWER GENERATION CO LTD

Switchgear using digital twin technology, and management method therefor

A switchgear of the present invention comprises: a physical switchgear device; a plurality of sensors provided in the physical switchgear device so as to detect each of one or more pieces of field data generated by the physical switchgear device; a virtual processing unit which is connected to the physical switchgear device through a communication network, and which uses digital twin technology to generate and display a virtual switchgear device, which is synchronized with the physical switchgear device; and a local processing unit which provides a communication interface with the virtual processing unit at a site where the physical switchgear device is provided, and which collects corresponding field data from each of the plurality of sensors so as to transmit the field data to the virtual processing unit, wherein the virtual processing unit includes: a modeling information management DB for storing virtual graphic modeling information obtained by digitally modeling and duplicating a physical configuration of the physical switchgear device; a data receiving unit for receiving, from the local processing unit, the field data sensed by each of the sensors; a data synchronization unit for generating the virtual switchgear device by synchronizing the field data received from the data receiving unit with the graphic modeling information; and a virtual switchgear device display unit for displaying the virtual switchgear device so that the virtual switchgear device can be monitored at the site where the physical switchgear device is provided and / or a remote location, and thus the advantages of fault diagnosis and remote control of the physical switchgear device at a remote location can be provided.
Owner:POWER

Power distribution safety detection and control structure of railway low-voltage power distribution cabinet

The utility model discloses a railway low-voltage power distribution cabinet power distribution safety detection and control structure, which comprises a cabinet body, a sliding installation structure is arranged in the cabinet body, a line fixing structure is installed at the rear end of the cabinet body, and the front end of the cabinet body is connected with an intelligent management structure through a hinge. The sliding installation structure comprises two installation side plates, a plurality of installation rods, five installation frames, a plurality of fixing holes, a circuit breaker, an intelligent power terminal, a surge protector and five positioning assemblies. The utility model relates to the technical field of power distribution cabinets, adopts a sliding installation structure and a line fixing structure, isolates a plurality of devices through separated installation, and uses copper bars to replace cables in the cabinet; independent operation and monitoring effects among the modules can be fully ensured, the phenomenon of electromagnetic interference does not exist, and subsequent replacement and disassembly operations of the modules are facilitated.
Owner:CHINA RAILWAY DESIGN GRP CO LTD +1

Switch cabinet signboard display control method and device and switch cabinet equipment

The invention relates to a switch cabinet signboard display control method and device and switch cabinet equipment, the switch cabinet signboard display control method and device are applied to a control module of the switch cabinet equipment, the switch cabinet equipment further comprises a switching display module and a power module, the power module is connected with the control module and the switching display module, and the control module is connected with the switching display module; the method comprises the steps that target indication content is determined according to a first state signal, a second state signal and a third state signal, the first state signal is used for indicating the opening and closing state of a circuit breaker, the second state signal is used for indicating the opening and closing state of a grounding knife-switch, and the third state signal is used for indicating the display state of a potential indicator; and controlling the switching display module to display the target indication content. The real-time states of the switch cabinet circuit breaker, the grounding knife switch and the potential indicator are collected, the switching display module is controlled to automatically switch the display content of the signboard according to the real-time states, and timely and accurate automatic switching of the signboard is achieved.
Owner:GUANGZHOU POWER SUPPLY BUREAU GUANGDONG POWER GRID CO LTD