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102 results about "Supply & distribution" patented technology

Electric power material efficient scheduling and logistics optimization method for emergency scene

The invention discloses an electric power material efficient dispatching and logistics optimization method for an emergency scene, and belongs to the field of power grid material dispatching and transportation. According to the material dispatching requirements of the power system under different disaster levels, a hierarchical response mechanism is provided, and the hierarchical response mechanism comprises a single-bin quick response mode, a multi-bin collaborative supplement mode and a whole-network centralized support mode. A mathematical optimization model including supply, transfer and demand nodes and transportation paths is established, and improved optimization algorithms such as Sine mapping population initialization, differential variation disturbance and elitist retention, dynamic reverse learning and the like are introduced to improve the solving efficiency and the diversity of solutions. Under the assumption that node positions, material requirements, vehicle parameters and the like are known, the model realizes full-process optimization of supply distribution, transportation paths and resource scheduling. The method can effectively improve the emergency material dispatching efficiency, reduces the transportation cost and the material shortage risk, and has a good practical application value.
Owner:KUNMING UNIV OF SCI & TECH

Disaster prevention emergency material distribution method, device, equipment and medium

The invention relates to a disaster prevention emergency material distribution method and device, equipment and a medium. The method comprises the following steps: acquiring multi-source heterogeneous data of a disaster area; performing standardization and spatial fusion processing on the multi-source heterogeneous data to obtain standardized spatial grid data; based on the standardized space grid data, analyzing the material demand urgency degree of each space grid to obtain demand urgency degree data; generating initial material distribution scheme data according to the demand urgency degree data and preset material inventory data; and based on the initial material distribution scheme data, in combination with preset transportation network data, carrying out scheme adjustment through a predefined multi-objective optimization rule, and generating a material distribution scheme. By adopting the method, the problems of unreasonable distribution and low decision-making efficiency caused by data splitting and dependence on experience in a traditional mode are solved, the integration from disaster assessment to transportation scheduling is realized, the decision is quickly optimized, and the overall efficiency of emergency response is improved.
Owner:任瑞

Electric power dynamic monitoring system based on knowledge graph

The invention relates to the technical field of data center computing power and electric power resource cooperative control, in particular to an electric power dynamic monitoring system based on a knowledge graph. Comprising a heterogeneous data spin mapping unit used for collecting current waveform data and voltage data of an intelligent power distribution unit; the topological coupling force field construction unit is used for acquiring physical topological data and logical topological data of the data center and generating a coupling strength matrix defining association weights among nodes; the dynamic potential energy evolution and gradient analysis unit is used for generating a potential energy gradient vector for indicating a regulation and control direction; the potential energy guiding regulation and control decoding unit is used for receiving the potential energy gradient vector; monitoring the modulus length of the potential energy gradient vector; and after the closed loop feedback logic and the hardware control signal are executed, the physical operation states of the intelligent power supply distribution unit and the server calculation unit are changed. According to the method, the mathematical abstraction ability and the quantization accuracy of the stability monitoring of the complex data center system are remarkably improved.
Owner:STATE GRID JIBEI ELECTRIC POWER COMPANY +1

A power grid power supply distribution box with a closed intelligent power connection and a closed power connection method thereof

The application relates to a power grid power supply distribution box with a closed intelligent power connection and a closed power connection method thereof, which comprises a driving part installed on a second box door, a gear cylinder arranged on the driving part, and a lifting part installed on the second box door through a guide block and connected with the gear cylinder. When the second box door is opened, a door magnetic switch automatically disconnects a circuit, thereby triggering the conduction of a tripping circuit, which makes a circuit breaker trip and cut off the power supply in the distribution box. In this way, all branch switches in the distribution box are disconnected in a certain order under the action of a step-by-step locking structure, so that safe power-off can be realized when the power is connected. The step-by-step power-off operation design can effectively avoid large-scale power cut-off and reduce the damage of equipment caused by current impact or voltage fluctuation.
Owner:JIANGSU XIJIE POWER TRANSMISSION & DISTRIBUTION EQUIPMENT CO LTD

Power supply control method and device for power supply vehicle

The invention discloses a power supply control method and device for a power supply vehicle, and the method comprises the steps: determining a power parameter of an input power supply and a power utilization parameter corresponding to an externally-connected power utilization device through the power supply vehicle when the externally-connected input power supply is detected, and judging whether the power utilization parameter is matched with the power parameter through a control unit through the power supply vehicle, when it is judged that the power utilization parameters are matched with the power supply parameters, a power supply matched with the power supply parameters is output to the electric equipment through a power supply distribution unit, and when it is judged that the power utilization parameters are not matched with the power supply parameters, the input power supply is adjusted to be a target power supply matched with the power utilization parameters. And the target power supply is output to the electric equipment through the power supply distribution unit. Therefore, the technical problem that the power supply used by the electric engineering machinery is single can be solved, and the application scene of the electric engineering machinery is widened, so that the generality of the power supply vehicle is improved, and the earthwork operation efficiency of the electric engineering machinery is improved.
Owner:LIUZHOU LIUGONG EXCAVATORS CO LTD +2

Intelligent power distribution system

The invention relates to the technical field of power distribution and protection, and provides an intelligent power distribution system in order to solve the technical problems that an existing system cannot accurately control on-off of all branches, cannot independently measure voltage and current of all the branches and is incomplete in protection function. Comprising a main power supply access module, a shunt processing module, a parameter measurement module, a main control module and a communication module, all the modules are connected through wires and data lines, power supply distribution of multiple paths of electric equipment is cooperatively achieved, meanwhile, electric power parameters of all branches are accurately monitored, a comprehensive protection function is provided, safe and stable operation of the electric equipment is guaranteed, and the service life of the electric equipment is prolonged. And the reliability and the intelligent level of power use are improved.
Owner:CHANGCHUN GUANGHUA TECH DEV CO LTD

Empty pipe tray feeding, supplying and distributing system of tray type automatic winding equipment

The invention belongs to the technical field of textile automatic control, and provides a blank pipe tray feeding, supplying and distributing system for tray type automatic spooling equipment, which sets a simulation operation period, and performs stability analysis on passing interval time of trays on a path A and a path B in the divided simulation operation period; judging whether the tray interval time on the path A and the path B is stable or not, respectively acquiring a representative value of the tray interval time A and a representative value of the tray interval time B according to the stable condition of the tray interval time on the path A and the path B, and performing supply shunting matching degree analysis to determine the matching degree on shunting time of the path A and the path B; the closing time and the releasing time of the anti-blocking device can be reasonably set by determining the matching degree, it is ensured that the tray can smoothly pass through the intersection according to the matching degree condition, the matching degree of the A path and the B path in the shunting time is determined, and the A path and the B path can supply empty pipe trays to the CBF channel according to the reasonable time rhythm.
Owner:SUZHOU SHENGSHENGYUAN YARN CO LTD

Intelligent control system for sewage treatment system

The utility model relates to an intelligent control system for a sewage treatment system, which comprises a touch screen PLC (Programmable Logic Controller) all-in-one machine unit, and a power supply system unit, a 5G communication system unit and an I / O (Input / Output) interface unit which are mutually connected with the touch screen PLC all-in-one machine unit, the power supply system unit is provided with a power supply conversion module and a power supply distribution element, the 5G communication system unit is internally provided with 5G signal transmission module equipment and a signal transmission module equipment antenna, and the I / O interface unit is provided with I / O signal connection equipment. According to the utility model, the 5G communication system unit integrated in the system is utilized to realize uploading and downloading of system monitoring data, remote modification of system operation parameters and implantation signals in a wireless mode, so that wireless and remote interactive transmission of the data is realized, and remote monitoring in different places is realized.
Owner:SHAANXI WEILAN ENERGY SAVING & ENVIRONMENTAL TECH GRP CO LTD

Distribution box for automatic power supply of electrical engineering

The invention belongs to the technical field of distribution boxes, and particularly relates to a distribution box for electrical engineering automatic power supply, which comprises a box body, a servo motor, a bird repelling mechanism and a heat dissipation mechanism, heat dissipation holes are formed in the left side and the right side of the box body, the servo motor is arranged in the box body, and an output shaft is in transmission connection with a transverse rotating rod; the bird repelling mechanism comprises a box body, a vertical rotating rod and two swing assemblies, the box body is fixed above the box body, the vertical rotating rod is rotationally arranged in the box body, the bottom end of the vertical rotating rod is in transmission connection with the transverse rotating rod, a cam is fixed to the vertical rotating rod, each swing assembly comprises a supporting plate, a sliding block and a swing rod, the sliding block is slidably connected to the supporting plate, and the swing rod is arranged on the sliding block. A roller is arranged on one side of the supporting plate, a compression spring set and a rack are arranged on the other side of the supporting plate, a gear is meshed below the rack, one end of a swing rod is fixed on a gear shaft, and a swing block is arranged at the other end of the swing rod. And the heat dissipation mechanism is arranged at the heat dissipation holes of the box body. The power distribution box has a bird repelling function and a heat dissipation function, and normal use and operation of the power distribution box are effectively guaranteed.
Owner:QINYANG POWER SUPPLY CO OF STATE GRID HENAN ELECTRIC POWER CO

A power-off uninterrupted power supply distribution cabinet

The application relates to the technical field of power distribution cabinets, and particularly discloses a power failure uninterrupted self-throw type power distribution cabinet, which comprises a mounting mechanism arranged at the top of the power distribution cabinet and a pressure relief mechanism arranged at the top of the power distribution cabinet through the mounting mechanism. The high-temperature and high-pressure gas is directly contacted with the baffle through the pressure relief mechanism, the baffle is driven to rotate, the high-temperature and high-pressure gas is released, the stability of the high-temperature and high-pressure gas release is improved, the baffle does not shield the channel for upward discharge of the high-temperature and high-pressure gas after being turned over, the pressure relief efficiency is further improved, the pressure relief mechanism is conveniently mounted and dismounted through the mounting mechanism, the situation that the pressure relief mechanism cannot be dismounted or is difficult to dismount after the power distribution cabinet is faulty or burns due to the traditional screw fixing mode is avoided, the pressure relief mechanism is conveniently recycled, and actual dismounting and mounting are facilitated.
Owner:GUANGDONG YANGHUIMING ELECTRICAL EQUIP CO LTD

System and method for supplying electrical power to electrical consumers in an electric or hybrid vehicle

System and method for powering electrical consumers of an electric or hybrid vehicle. The invention relates to a power supply system (1) for electrical consumers of an electric vehicle comprising: - a high-voltage battery (8), - two DC-DC converters (4, 6) supplying an on-board network (50), - an energy storage unit (5) connected to the output of the converters (4, 6) and capable of supplying the on-board network (50) in standby mode, - power lines (L2, L5, L6, L7, L8, L10) supplying distribution boxes (12, 13, 14), - the distribution boxes (12, 13, 14), which include electronic switching components (t1, t2, t3, t4, t5, t6) connected to electrical consumers, the power supply system (1) further comprising a coupling device (2, 3) connected to the output of the converters (4, 6). and to the power lines,and comprising at least one electronic switching component(s). (Figure 1)
Owner:AMPERE

Cloud computing cabinet power distribution method and equipment based on AI optimization and medium

The invention discloses a cloud computing cabinet power distribution method and device based on AI optimization and a medium, and relates to the technical field of computer power management, and the method comprises the steps: constructing a power demand prediction feature set according to an electric power state sequence, executing forward reasoning through a trained recurrent neural network model, and generating a power demand prediction value set; performing power supply capability constraint verification on the power demand predicted value set based on a cabinet power supply connection model, and performing evaluation and screening in combination with a power matching degree, power fluctuation and a power supply safety margin to form a power supply power distribution scheme selection set; and mapping the power supply power distribution scheme selected set into a power supply distribution parameter set based on the port-path mapping relationship, and performing state updating in combination with power deviation evaluation to generate a cloud computing cabinet power distribution state set. The effect of guaranteeing power supply safety and stability in a complex industrial cloud computing environment is achieved, and the energy efficiency utilization rate is improved while power supply safety and stability are guaranteed.
Owner:DONG GUAN AUBADE ELECTRONIC TECH CO LTD

Vehicle hybrid power system and energy management method thereof

The present application relates to the field of fuel cell vehicles, in particular to an energy management method for a vehicle hybrid power system.The present application provides an energy management method for a vehicle hybrid power system, the vehicle hybrid power system comprising a fuel cell and a power battery, the energy management method comprising the following steps: determining the working mode of the vehicle, including a static mode and a dynamic mode; in response to the vehicle being in the static mode, adopting a first energy management strategy, including determining the fuel cell output power based on the power battery SOC and determining the power supply distribution between the power battery and the fuel cell for the vehicle demand power; and in response to the vehicle being in the dynamic mode, adopting a second energy management strategy, including determining the fuel cell output power based on the vehicle acceleration mode and the power battery SOC, and cooperatively supplying the vehicle demand power by the fuel cell and the power battery. Not only the energy distribution efficiency is improved, but also the vehicle endurance mileage is improved, and the driving experience is improved.
Owner:HUNAN CRRC INTELLIGENT TRANSPORT TECH CO LTD

Grid protection apparatus and method

A method of protecting a power transformer (101) in a power supply distribution grid (100) is described. The method comprises monitoring low frequency electrical signals in a circuit coupled to the power transformer (101) to provide a first detection signal (211); monitoring electromagnetic radiation to provide a second detection signal (212); in the event that the first detection signal (211) exceeds a first threshold, operating a protection switch (204a) connected to the transformer (101) to break the circuit and to reconnect the circuit in response to the first detection signal dropping below the first threshold; in the event that the second detection signal exceeds a second threshold, operating the protection switch (204a) to break the circuit at least until the first detection signal has dropped below the first threshold.
Owner:QBYSS LTD

Diagnosis system for power supply distribution circuit

A system for diagnosing a power supply distribution circuit that distributes power supplied from a DC-DC converter and an auxiliary battery to a plurality of loads, the system comprising: a plurality of switches provided between the DC-DC converter and the auxiliary battery and the loads; a switching unit that switches a connection state of the switches; and a diagnosis unit that diagnoses the power supply distribution circuit based on the connection state of the switches and a change in voltage and current in the power supply distribution circuit.
Owner:TOYOTA JIDOSHA KK

Power supply branching structure for equipment in cabinet

The invention belongs to the technical field of power distribution cabinets, and particularly relates to a power supply branching structure for equipment in a cabinet. Comprising a power distribution cabinet structure, a fixing structure is arranged on the inner side of the power distribution cabinet structure, a component mounting structure and a deconcentrator mounting structure are arranged on the front side of the fixing structure, and a deconcentrator structure is arranged on the front side of the deconcentrator mounting structure. Through the deconcentrator mounting structure and the deconcentrator structure, the wiring of the component body can be subjected to effective branching processing by using the deconcentrator structure, the wiring of each component body can be ensured to be subjected to independent branching processing, and the deconcentrator structure and the fixing structure can be quickly disassembled and assembled by matching with the deconcentrator mounting structure; therefore, the situation that all wire harnesses are mixed together is avoided, when a certain independent component body needs to be maintained, a corresponding cable can be easily distinguished, and identification difficulty caused by cable disorder is avoided.
Owner:CPI GUIZHOU JINYUAN GRP CO LTD NAYONG GENERAL POWER PLANT

Multi-channel direct-current power supply distribution module

The utility model discloses a multi-channel direct-current power supply distribution module, and relates to the technical field of power transmission and distribution, the multi-channel direct-current power supply distribution module comprises a control branch and a plurality of power supply branches, each power supply branch comprises an input isolation circuit, a power conversion circuit and a rectification filter circuit which are connected in sequence, and the input end of the input isolation circuit is used for being connected with a direct-current power supply; the output end of the rectification filter circuit is used for being connected with industrial equipment, the control branch comprises a single chip microcomputer, an output isolation optocoupler and a driving circuit which are connected in sequence, and the output end of the driving circuit is connected with the control end of each power conversion circuit. The input isolation circuit is arranged at the access end of the direct-current power supply to isolate interference among different direct-current power supplies in the same channel, and meanwhile, the single-chip microcomputer and the driving circuit are arranged in the control branch to control the output power of each channel under the power demand data input by a user, so that the user experience is improved. And the power requirements of different industrial equipment are met.
Owner:XIAN YOUKONG TECH DEV CO LTD

Distributed power supply-containing power distribution network fault recovery method based on graph reinforcement learning

The invention discloses a graph reinforcement learning-based distributed power supply-containing power distribution network fault recovery method, and relates to the field of power system optimization scheduling, in particular to a graph reinforcement learning-based distributed power supply-containing power distribution network fault recovery method. The method comprises the following steps: firstly, establishing a power distribution system topological graph model, constructing a multi-agent decision process, and realizing agent and environment interaction on the basis of power flow analysis and topological verification; secondly, abstracting the power distribution network into graph data, extracting topology and electrical characteristic information by utilizing a graph neural network, and realizing a dynamic recovery decision by combining a deep Q network; and meanwhile, a priority experience playback and sparse reward allocation mechanism is designed, so that the training efficiency and the strategy convergence are improved. According to the method, key load recovery and network reconstruction can be quickly realized under complex topological change and constraint conditions, and the toughness of the power distribution network is remarkably improved.
Owner:ZAOZHUANG POWER SUPPLY COMPANY OF STATE GRID SHANDONG ELECTRIC POWER

Medical material distribution robot with sterile cabin self-disinfection function

The invention relates to a medical material distribution robot with a sterile cabin self-disinfection function, and belongs to the technical field of robots. The medical material distribution robot with the sterile cabin self-disinfection function comprises two distribution cabins and a walking mechanism used for driving the distribution cabins to move, and two sets of atomization nozzles are arranged in the distribution cabins; the distribution cabin further comprises two disinfection mechanisms, and the disinfection mechanisms are arranged in the distribution cabin body and used for improving the disinfection liquid filling effect and the suspension duration. During disinfection, the filling effect and the suspension time of disinfectant can be improved, the disinfection effect is guaranteed, the disinfection operation time is shortened, the usage amount of the disinfectant is reduced, after the cabin door is opened, air curtain protection and tray active delivery can be carried out, the phenomena that the hands of a user are prone to making contact with the interior of the cabin body and external dust and bacteria enter the cabin body are reduced, and the follow-up disinfection pressure is relieved.
Owner:CHONGQING JIJICHUN TECHNOLOGY CO LTD

A power supply distribution system for a vehicle, a power supply system and a vehicle

The application discloses a power supply distribution system for a car, a power supply and use system and the car, and belongs to the technical field of the car. The application divides each vehicle-mounted electric appliance into a first electric appliance group or a second electric appliance group by using a switch control module, connects the vehicle-mounted electric appliance belonging to the first electric appliance group to a first power supply bus, disconnects the vehicle-mounted electric appliance belonging to the second electric appliance group from the first power supply bus, can distinguish different vehicle-mounted electric appliances, supplies power to part of the vehicle-mounted electric appliances by using the first power supply bus, does not supply power to other part of the vehicle-mounted electric appliances by using the first power supply bus, realizes accurate distribution of the vehicle-mounted electric appliances, and thus makes the power supply obtained by each vehicle-mounted electric appliance match parameters such as a life stage and a fault state of the vehicle-mounted electric appliance, is favorable for improving fault checking of the vehicle-mounted electric appliance and use experience of the car. The application is widely applied to the technical field of the car.
Owner:GAC HONDA AUTOMOBILE CO LTD +1

Chip and electronic equipment

The invention provides a chip and electronic equipment, the chip provided by the invention comprises a packaging substrate, a logic layer and an intermediate layer, and the intermediate layer is arranged between the packaging substrate and the logic layer; wherein the packaging substrate comprises a first power supply module, the logic layer comprises a second power supply module, the interposer comprises a plurality of through silicon vias, and the through silicon vias are connected with the first power supply module and the second power supply module; wherein the first power supply module comprises a power supply plane layer, and the second power supply module comprises power supply wires which are arranged in parallel. Therefore, through the three-dimensional power supply module, the power supply design can be optimized, the voltage drop can be reduced, the power supply distribution efficiency and stability can be improved, and the power requirements of different modules can be met.
Owner:XI AN UNIIC SEMICON CO LTD

Redundant power supply domain cooperative scheduling method and related equipment

The invention discloses a redundant power domain cooperative scheduling method and related equipment, and relates to the technical field of power grids, and the method comprises the steps: dynamically collecting state data, peripheral power consumption demand data, environment and heat dissipation data and system-level data of multiple power domains; based on the peripheral power consumption demand data and the state data, executing a dynamic power consumption distribution algorithm to generate a preliminary power consumption distribution scheme; performing heat dissipation compensation adjustment on the initial power consumption distribution scheme in combination with environment and heat dissipation data, and generating a temperature-optimized target power consumption distribution scheme; inputting the target power consumption distribution scheme into the thermoelectric coupling model, solving a coupling equation of electrical parameters and thermal parameters, and outputting a globally optimized power distribution strategy; a power domain fault flag is monitored based on system-level data, and when a fault is detected, a redundant power seamless switching mechanism is triggered based on a power distribution strategy. Through priority weighted distribution and thermal compensation linkage, the power domain utilization rate is improved, and peripheral performance fluctuation is effectively reduced.
Owner:GUANGZHOU KETENG INFORMATION TECH

Method and device for optimizing heat dissipation performance of power plug-in box in nuclear reactor and storage medium

The invention discloses a method and device for optimizing heat dissipation performance of a power plug-in box in a nuclear reactor and a storage medium, and the method comprises the steps: constructing a numerical simulation model of a target power plug-in box, and carrying out the simulation calculation of the peak temperature of the numerical simulation model under different optimizable structure parameters of a radiator, multiple groups of sample optimizable structure parameters with peak temperature labels are determined based on the calculation result, a sample data set is formed by the multiple groups of sample optimizable structure parameters with the peak temperature labels, and a radiator is used for radiating the target power supply subrack; based on the sample data set, constructing a heat dissipation explicit function which takes optimizable structure parameters of the radiator as independent variables and takes peak temperature of the numerical simulation model as a dependent variable; and based on the heat dissipation explicit function, performing minimization optimization on the peak temperature of the numerical simulation model, determining optimized structure parameters of the radiator corresponding to an optimization result, and based on the radiator under the optimized structure parameters, performing heat dissipation processing on the target power supply plug-in box.
Owner:NUCLEAR POWER INSTITUTE OF CHINA

An optimization method for air volume compensation and balance adjustment of a variable air volume air conditioning system

The application provides a kind of variable air volume air conditioning system air volume compensation and balance adjustment optimization method, belong to variable air volume air conditioning system technical field, the method includes: based on the change parameter and the pre-defined attribute parameter, generate air volume compensation model;Based on air volume compensation model, the opening of corresponding room end air valve and the total air supply of variable air volume air conditioning system change parameter, the air supply variation range of corresponding room is calculated;If the demand air volume of corresponding room exceeds the air supply variation range of corresponding room, based on optimization goal, the corresponding air volume compromise strategy is used.Compared with the prior art, the application can automatically calculate the air supply variation range of each room according to the air parameters of each room, ensure that the air supply of each variable air volume end room changes near the demand air volume, make the air supply distribution of the whole variable air volume air conditioning system relatively uniform, improve the comfort of each end room while reducing energy consumption.
Owner:GUANGZHOU METRO DESIGN & RES INST CO LTD

Integrated mounting seat

The utility model discloses an integrated mounting seat which comprises a supporting seat, at least one group of fusing areas are arranged on the supporting seat, at least one group of fusing mechanisms are arranged in the fusing areas, and the fusing mechanisms can protect a power distribution system. The beneficial effects of the utility model are that a special die is designed, and high-voltage fuses with different configurations are arranged in a centralized manner, thereby greatly saving space, cost and weight; and flexible matching is carried out on power supply distribution modes of different high-voltage frameworks, so that the universality of the product is greatly improved through a modular integrated design, the light weight is realized, and the protection on the circuit is greatly improved.
Owner:ANHUI WEIDU HLDG CO LTD

Demand management of material requirements planning

PendingUS20260065189A1InstrumentsRequirements managementMaterial requirements planning
Systems and methods are directed toward managing demand, such as for manufacturing in complex supply and / or demand driven environments, including aerospace-industry products and systems, environments with a multitude of stakeholders, and other sophisticated organizations. A production request may be provided with a component identifier for a top-level module component to be produced. Data associated with the component identifier may be determined. The data may include one or more additional component identifiers for sub-components which are to be consumed to produce the top-level module component. Supply allocations for the top-level module component and the sub-components may be generated based at least in part on the data. One or more action signals may be provided to fulfill the production request for the top-level module component according to the supply allocations.
Owner:BLUE ORIGIN MANUFACTURING LLC

HTGB measuring system and testing method suitable for large number of discrete devices

The invention provides an HTGB measuring system and testing method suitable for a large number of discrete devices, and relates to the technical field of reliability testing of power semiconductor devices. The HTGB measuring system comprises a top layer power supply and main control structure, a middle layer grouping control structure and a channel layer measuring structure; the top-layer power supply and main control structure comprises a main bias power supply module, a main power supply bus, a main control computer and a system-level communication bus; the middle layer grouping control structure comprises at least one grouping control module, each grouping control module manages N independent test channels, and each grouping control module comprises an intra-group power supply distribution network, N high-resistance isolation networks, a group control unit and a grouping communication interface; the channel layer measurement structure comprises a grid bias input end corresponding to each test channel, a high-precision leakage current detection circuit, a channel protection circuit and a test interface. The method has ultrahigh test flux and efficiency, and has excellent channel independence and test consistency.
Owner:INST OF ENERGY HEFEI COMPREHENSIVE NAT SCI CENT (ANHUI ENERGY LAB)

Remote power distribution switching method and system

The invention relates to the technical field of power supply switching, in particular to a remote power supply distribution switching method and system, a temperature sensor is arranged on a capacitance compensation cabinet, ventilation openings are symmetrically formed in the two sides of the capacitance compensation cabinet, processing chambers communicated with the ventilation openings are formed in the inner sides of the ventilation openings, and silica gel desiccant and activated carbon are placed in the processing chambers respectively; the exhaust fan is located at the top end of the capacitance compensation cabinet, a turning assembly is arranged below the exhaust fan, a turning rod is arranged in the turning assembly, when the exhaust fan works, the exhaust fan drives the turning rod to rotate through the turning assembly to turn over the silica gel desiccant and the activated carbon, an opening and closing assembly is arranged below the turning assembly, and an opening and closing plate is arranged on the opening and closing assembly. According to the capacitance compensation cabinet, the steady-state heat dissipation of the capacitance compensation cabinet is realized through the turning assembly and the opening and closing assembly, and meanwhile, dust and water vapor are prevented from entering the capacitance compensation cabinet to influence the normal use of internal electronic components.
Owner:NANJING ZHENRUI ELECTRIC CO LTD

Safety protection device for power supply distribution network engineering construction

The invention belongs to the field of distribution network protection, and particularly relates to a safety protection device for power supply distribution network engineering construction, which comprises an assembly base, a first support arm, a second support arm, a first limiting sleeve plate, a second limiting sleeve plate, a connecting rope, a walking assembly, a winding sleeve plate, a positioning mechanism and a protective net, and a positioning mechanism is arranged between the two sets of walking assemblies, the two sets of walking assemblies are connected through the positioning mechanism, one end of the protective net is fixedly connected to the rolling sleeve plate in a sleeving mode, and the other end of the protective net is installed on the positioning mechanism. Therefore, the driving device drives the rotating wheel to move along the connecting rope and synchronously drives the positioning mechanism to pull the protective net, and the rolling sleeve plate releases or rolls the protective net along with the pulling action, so that the net body does not need to be manually pulled or arranged section by section; therefore, the problems that in the background technology, an existing protection device depends on manual operation, the unfolding and folding efficiency is low, consumed time is too long, and the construction progress is affected are solved.
Owner:QINYANG POWER SUPPLY CO OF STATE GRID HENAN ELECTRIC POWER CO

Three-phase power supply distribution unit

The utility model provides a three-phase power supply distribution unit. The three-phase power supply distribution unit comprises a housing; the body is arranged on the end face of one side of the shell and forms a plug-in area with a slot, at least two plug-in groups are sequentially arranged in the plug-in area in the first direction, and each plug-in group comprises a first plug-in position, a second plug-in position and a third plug-in position; wherein a live wire pin is arranged in the slot, the live wire pin located at the first plugging position is electrically connected with the first phase line, the live wire pin located at the second plugging position is electrically connected with the second phase line, and the live wire pin located at the third plugging position is electrically connected with the third phase line.
Owner:JD DIGITS HAIYI INFORMATION TECHNOLOGY CO LTD