51 results about "Equipment supplies" patented technology

The invention provides a multi-merchant hardware equipment supply chain demand intelligent matching method, and relates to the technical field of supply chain management, and the method comprises the steps: obtaining a demand order and supply capability data through a supply chain platform, and enabling the supply capability data to obtain production line test data in real time through an Internet of Things interface; performing preliminary screening based on equipment types and necessary authentication standards; calculating the comprehensive reliability of the optical fiber sensing system by adopting a comprehensive evaluation model fused with nonlinear transformation; calculating the multi-dimensional demand integrating degree of the supplier and the demander through multi-dimensional difference analysis and normalization processing; intelligent sorting is carried out based on weighted scores of configurable weight factors; implementing global productivity monitoring and conflict resolution optimization, and outputting an optimal matching pair; and continuously iteratively optimizing the evaluation model parameters according to the performance feedback data by adopting an incremental learning mechanism. According to the method, accurate matching and dynamic optimization under multi-target constraints are realized, and the supply chain resource configuration efficiency and the system autonomy capability are effectively improved.

A method for performing simultaneous operations at a wellsite comprising two or more adjacent wellheads, each respectively connected to a well, may include the following steps: providing a fluid supply via upstream equipment to an intermediate supply point; fluidly connecting the intermediate supply point to a single wellhead, the fluidly connecting comprising connecting a first end of a flexible pipe to the intermediate supply point and a second end of the flexible pipe to a first wellhead; performing a wellbore operation on a first well using the fluid supply from the upstream equipment supplied to the first wellhead; disconnecting the second end of the flexible pipe from the first wellhead; and connecting the second end of the flexible pipe to a second wellhead.

A method for performing simultaneous operations at a wellsite comprising two or more adjacent wellheads, each respectively connected to a well, may include the following steps: providing a fluid supply via upstream equipment to an intermediate supply point; fluidly connecting the intermediate supply point to a single wellhead, the fluidly connecting comprising connecting a first end of a flexible pipe to the intermediate supply point and a second end of the flexible pipe to a first wellhead; performing a wellbore operation on a first well using the fluid supply from the upstream equipment supplied to the first wellhead; disconnecting the second end of the flexible pipe from the first wellhead; and connecting the second end of the flexible pipe to a second wellhead.

The supply of fluid to at least two consumers is particularly advantageous. [Solution] The device has a first flow passage 6, a first consumer 3 supplied with fluid, a pump 7 for transporting fluid from a reservoir 2 through the first flow passage 6, a throttle valve 9 arranged in the first flow passage 6, a second flow passage 11 connected to the first flow passage 6 at a first connection point V1, a second consumer 4 arranged in the second flow passage 11, a valve element 12 movable between a closed position and an open position, and a control line connected to the first flow passage 6 at a second connection point V2.

The invention discloses FTTR slave equipment, which comprises a first socket, a power receiving equipment detection unit, a power grading unit and a load unit, and is characterized in that the first socket is used for accessing power supply equipment; the power receiving equipment detection unit is connected with the first socket and is used for identifying whether the FTTR slave equipment meets the standard POF power receiving or not under the condition that the power supply equipment supplies power to the standard POF; the power grading unit is connected with the power receiving equipment detection unit, the power grading unit is used for identifying the power grade of the FTTR slave equipment and controlling connection and disconnection between the first socket and the load unit according to the voltage input by the first socket under the condition that the power supply equipment supplies power to the standard POF, and the power grading unit is used for identifying the power grade of the FTTR slave equipment and controlling connection and disconnection between the first socket and the load unit according to the voltage input by the second socket under the condition that the power supply equipment supplies power to the non-standard POF. The power grading unit is used for controlling connection and disconnection between the first socket and the load unit according to the voltage input by the first socket; and the load unit is connected with the power grading unit.

To provide a vehicle control device that can ensure the withstand voltage of a device, to which the electric power generated by an electric motor is supplied, and can suppress deterioration of power performance during evacuation traveling using an engine.SOLUTION: A vehicle 10 comprises an engine 12, an automatic transmission 28, an electric motor MG that is dragged to rotate in a non-driving state during evacuation traveling using the engine 12, and a relay 62 that connects and disconnects the electric motor MG and a main battery 60. An electronic control unit 100: (a) disconnects the relay 62 based on a predetermined vehicle state, puts the electric motor MG in a non-driving state, and performs evacuation traveling using the engine 12; (b) during the evacuation traveling, calculates the upper limit value Nmg_up of an electric motor rotation speed Nmg based on a stator coil temperature THcoil and a withstand voltage Vws of an air conditioner AC; and (c) during the evacuation traveling, sets an upshift point of the automatic transmission 28 so that the electric motor rotation speed Nmg does not exceed the upper limit value Nmg_up.SELECTED DRAWING: Figure 1

The present invention provides a dual-agent collaborative scheduling method for a high-end equipment supply chain based on flexible production line opening, which relates to the technical field of production scheduling. The scheduling method sets input parameters and operating parameters, constructs an initial solution set on the premise of giving priority to agent 2, selects the optimal solution as the initial solution x0; performs a shaking operation on the initial solution x0 to obtain a new solution x1, performs a local search on x1 to obtain a new solution x2, and determines whether the fitness value of x2 is better than the fitness value of x1. If so, x2 is used as the initial solution and iterates continuously until the global optimal solution x0 is found. best , according to x best The provided solution assigns production tasks to suppliers to maximize the resource utilization and operational efficiency of high-end equipment manufacturing companies and reduce the total cost of the supply chain.

The invention relates to the technical field of electrical equipment monitoring, in particular to an electrical equipment state monitoring method based on the Internet of Things, which comprises the following steps: S1, acquiring operation information, use information and power consumption of a power supply area of electrical equipment; s2, constructing a time node, and analyzing node output electric quantity and node electricity consumption; s3, analyzing the operation characteristics of the generator and the operation characteristics of the storage battery; s4, classifying and storing the operation characteristics of the generator according to the use information to obtain node types, and analyzing use fluctuation characteristics and maintenance influence parameters; s5, analyzing the equipment supply parameter and the electric energy backflow parameter according to the operation information of the electrical equipment, and analyzing the supply and storage stability parameter; step S6, analyzing node features; and S7, analyzing and outputting the node state of the equipment according to the node characteristics. According to the invention, accurate monitoring of the operation state of the electrical equipment is realized.

The invention discloses a power grid equipment supply chain risk identification method, and the method comprises the steps: determining the sample data related to risk identification through constructing a power grid equipment supply chain risk index system, building a power grid equipment supply chain risk identification model based on an incremental extreme learning machine of an attenuation regularization item, and completing the training of the model through employing the sample data. The power grid equipment supply chain risk identification model can accurately identify the current power grid equipment supply chain risk type of an enterprise, and the problems that in the prior art, many redundant hidden layer nodes reducing accuracy and learning efficiency exist, and hidden layer node parameters generated randomly affect the stability of an incremental extreme learning machine are solved. Requirements of power grid equipment supply chain risk identification can be met to a certain extent, and meanwhile, a new thought and a new approach are provided for more accurate power grid equipment supply chain risk identification.

The invention discloses a power grid project screening and state tracking method and device, equipment, a medium and a product, and relates to the technical field of power grid project management, and the method comprises the steps: obtaining the project data of a plurality of power grid projects; the project data of each power grid project comprises a construction progress report, field monitoring data and a production income report; based on the preprocessed project data of each power grid project, taking technical stability and equipment supply supportability as optimization targets, adopting an NSGA-II multi-target optimization algorithm to carry out power grid project screening to calculate a Pareto optimal solution set, and taking the power grid project in the Pareto optimal solution set as the screened power grid project; determining a to-be-tracked power grid project from the screened power grid projects; for each to-be-tracked power grid project, state stage tracking is carried out based on a hidden Markov model; the full life cycle of each to-be-tracked power grid project comprises a plurality of state stages. The monitoring efficiency of the power grid project can be improved.

The invention relates to the technical field of intelligent management, and discloses a coal mine equipment intelligent transaction management system and method based on big data, and the system comprises an intelligent matching module, a transaction execution module, a financial risk control module and a data closed-loop module. A data fusion center is arranged, and when equipment supply and demand dynamic matching is carried out, a cross validation rule of a supplier productivity dynamic portrait and coal mine demand characteristics is constructed, and real-time cooperative calculation of multi-source heterogeneous data is supported, so that a system can identify logic conflicts between supplier parameter updating and purchasing demands in real time, the matching scheme deviation rate is eliminated, and the matching efficiency is improved. The transaction decision accuracy is ensured, the risk of resource mismatching caused by data islands is reduced, and the binding relationship between the delivery action and fund transfer is verified in real time by setting the block chain evidence storage module, so that the system can automatically freeze installment payment when the equipment acceptance is abnormal, the traceability period is shortened, and the efficiency is improved. The problem of credit loss caused by non-traceability of the transaction process is solved.

This system (100) for measuring the electrical characteristics of blower equipment comprises: a blower equipment cluster (1a) formed from a plurality of blower equipment supplied with power from a single power supply device (6); a plurality of switches (2) assigned respectively to a plurality of groups obtained by separating the blower equipment cluster (1a) into said plurality of groups that each include one or a plurality of the blower equipment, with each switch starting and stopping the blower equipment assigned to a group; and an electrical characteristics measuring device (3) that measures a total value of the electrical characteristics of the blower equipment cluster (1a). The system (100) for measuring the electrical characteristics of blower equipment calculates a value of steady-state electrical characteristics of the blower equipment in each group on the basis of switch (2) start / stop data, which is operation data from when the switch (2) performed the operation of starting or stopping the blower equipment assigned to the switch (2), and measurement data on the total value of the electrical characteristics. The system (100) for measuring electrical characteristics is useful for the maintenance and preservation of blower equipment.

The invention discloses a new energy electric power balance control method and system, and relates to the technical field of electro-gas welding operation supervision, and the method comprises the steps of energy equipment access selection, energy equipment supply analysis, energy equipment balance management and early warning terminal. Connection analysis is carried out on new energy equipment of each regional node of the power grid, power loads of each regional node are collected, new energy power distribution corresponding to each regional node is obtained through analysis, and meanwhile, the transmission power balance state after each regional node is correspondingly connected with the new energy equipment is judged, so that balanced supply of new energy power is realized. Effective balance control of new energy power of each regional node is achieved, efficient utilization of new energy is achieved, power generation loss caused by mismatching of regional resources and power grid supply demands is reduced, and effective and accurate new energy power supply of each node region of a power grid is guaranteed.

A supply chain risk identification method, system, device and medium belong to the technical field of supply chain risk management. The risk identification method comprises: acquiring characteristic information of a supply chain risk event, the characteristic information of the supply chain risk event comprising event fuzzy description and corresponding parameter information; the parameter information comprising expert evaluation data and supply chain platform operation data; inputting the event fuzzy description into a supply chain language large model for matching processing, and outputting a plurality of risk index items corresponding to the event fuzzy description, the risk index items comprising events affecting supply chain capacity or transportation; and determining the risk levels of the plurality of risk index items corresponding to the parameter information. The risk identification method can improve the supply chain risk identification capability, make it possible to comprehensively perceive multi-source heterogeneous risk factors in the whole chain range and early warn key node risks, and realize dynamic monitoring and accurate identification of complex equipment supply chain operation risks.

The invention relates to the technical field of wafer alignment devices, and discloses a wafer alignment device and method.The wafer alignment device comprises a first base and a second base, a first placement table is arranged on the first base, and a second placement table is arranged on the second base; and the compensation mechanism comprises a secondary rotating table arranged outside the first placement table and the second placement table, the secondary rotating table is connected with the first base and the second base through bearings, and an annular groove is formed in the secondary rotating table. According to the invention, through cooperative work of the air bag, the rubber block and the air supply system in the secondary rotating table, when a wafer has edge finding deviation, external air supply equipment supplies air to the air cavity through the connecting pipe and the air supply disc, the air enters the air bag through the through groove to expand the air bag, the rubber block is pushed to jack the wafer, and secondary rotating calibration is realized; wafer rotation direction deviation caused by transmission mechanism defects or inertia can be actively calibrated, linear accumulation of angle deviation is avoided, and the edge searching calibration precision is remarkably improved.

The invention discloses a household power distribution device and a household power supply network. The household power distribution device comprises a commercial power input end, an energy storage power supply end, a household power grid end, a switch unit and an energy storage power receiving end. The commercial power input end is used for accessing commercial power; the energy storage power supply end is used for accessing energy storage equipment, and the energy storage equipment supplies power through the energy storage power supply end; the household power grid end is used for accessing a household power grid; one end of the switch unit is electrically connected with a household power grid end, and the other end is communicated with one of the commercial power input end or the energy storage power supply end; the energy storage power receiving end is electrically connected between the commercial power input end and the switch unit, the energy storage power receiving end is used for accessing energy storage equipment, and commercial power charges the energy storage equipment through the energy storage power receiving end. According to the household power distribution device, only the commercial power input line of the commercial power input end and the load output line of the household power grid end need to be connected, and the energy storage equipment can be rapidly and effectively connected into the household power distribution device through the energy storage power supply end to supply power to the household load connected into the household power grid end under the condition of commercial power failure.

According to the energy storage module, the equipment with the energy storage module and the power supply system provided by the invention, the energy storage module is deployed in the power supply system based on the USB interface, so that on one hand, the energy storage module can be communicated with the power supply equipment and the power receiving equipment in the process that the power supply equipment supplies power to the power receiving equipment; on the other hand, under the condition of normal power supply, the energy storage device can be charged until the charging stop condition of the energy storage device is reached; under the condition that the power supply voltage drops instantly due to the fact that the instant power consumption of the power receiving equipment is increased, the energy storage module can utilize the energy storage device to supply power to the power receiving equipment in an auxiliary mode in a discharging mode, stable operation of the power receiving equipment can be effectively guaranteed, and the power supply efficiency is improved. And the restart condition caused by overlarge instant power consumption of the powered device and insufficient power supply of the USB power supply end is effectively reduced.

The invention discloses a model selection optimization method for equipment on a fire fighting truck, which comprises the following steps of: firstly, collecting equipment supply manufacturers on the fire fighting truck, equipment performance indexes and cost of each manufacturer, and respectively scoring the equipment supply by each manufacturer; then establishing a multi-objective optimization mathematical model for equipment type selection on the fire fighting truck, wherein the model comprises optimization variables, constraint conditions and an optimization objective function; and finally, solving the construction cost and the performance score of the whole fire fighting truck under different weights by using a 0-1 planning method through a random weight and combination fusion mode, further calculating the standard deviation of the construction cost and the performance score fluctuation of the whole fire fighting truck, and forming a single optimization objective function based on the fluctuation of a multi-objective function. And selecting manufacturers providing the equipment on the fire fighting truck, and completing type selection optimization of the equipment on the fire fighting truck. The requirements for improving the overall equipment performance of the fire fighting truck and reducing the cost can be better met, the rationality of planning and design of the fire fighting truck is improved, and sustainable development of the fire fighting truck is assisted.

The utility model relates to the technical field of thermal infrared camouflage, and discloses an exhaust device which is characterized in that a shelter is positioned above or on the side surface or below an exhaust nozzle, an outlet of the exhaust nozzle faces the shelter, and ventilation equipment supplies air to a gas channel between the shelter and the outlet of the exhaust nozzle. And an ambient air isolation layer is formed between the shielding object and hot air exhausted from the outlet of the exhaust nozzle. The outlet of the exhaust nozzle faces the shelter, so that the exposure area of the exhaust nozzle in the reconnaissance direction is reduced, but the shelter is not heated due to the isolation effect of the air layer, and the purpose of reducing the thermal infrared exposure of the outlet of the exhaust nozzle is achieved. The flow guide device is arranged to guide air supplied by the ventilation equipment, so that an environment air isolation layer is easier to form. The utility model further discloses a thermal infrared camouflage smoke abatement device which comprises a smoke abatement device and the exhaust device. The utility model further discloses a thermal infrared disguise cooling device which comprises a cooling tower and the exhaust device. The problem of thermal infrared exposure of high-temperature exhaust targets such as a diesel power station and a cooling tower is solved.

The invention provides an energy storage system and a power-off emergency linkage control method, and relates to the technical field of energy storage systems, the energy storage system comprises an energy storage device, a plurality of intelligent circuit breakers and a plurality of load devices, and each intelligent circuit breaker is connected with at least one load device; the energy storage device determines the power utilization priority sequence of the plurality of load devices based on the obtained power utilization priority sequence information; under the condition that the power grid is powered off, the energy storage equipment obtains historical electricity utilization power information of the load equipment through the intelligent circuit breaker; and on the basis of the power utilization priority sequence, the current maximum output power value of the energy storage equipment and the historical power utilization power information, the multiple intelligent circuit breakers are controlled to be switched off or switched on, so that the energy storage equipment supplies power to at least one of the multiple load equipment through the intelligent circuit breakers. According to the technical scheme, electric energy dispatching during power failure of the power grid can be optimized, the energy storage system can preferentially guarantee operation of important loads under the condition of limited output power, and user experience can be improved.

The present invention discloses a portable 5G communication base station, specifically relating to the technical field of communication equipment supplies, including a signal board. An inner wall of the signal board is fixedly connected with a heat dissipation heat sink plate. A bottom of the signal board is fixedly connected with a first rubber snap ring, and a top of the first rubber snap ring is fixedly connected with a second rubber snap ring, and the second rubber snap ring is arranged on an outer wall of the signal board. In the present invention, the signal receiver as a whole is plugged into the inside of the signal board, so that a signal connector at the bottom of the signal receiver is connected with a first connector seat, a second connector seat and a third connector seat as a whole, and the signal board is assembled as a whole. By connecting a signal connector at the bottom of the third connector seat with a wire connection end, signal transmission and communication of the whole device are carried out. The whole frame of the device restricts and positions the whole frame of the signal board through a reciprocating coil spring at one end of the first limiting clamping ring, which is convenient for disassembly, assembly and carrying of the whole device parts.

To provide a parallel operation control system suitable for controlling the parallel operation of a plurality of loads.SOLUTION: According to an embodiment, a parallel operation control system includes a determination unit that determines a critical output value of a steam turbine of a first generator and a critical output value of a steam turbine of a second generator during independent parallel operation of the first generator, which is a steam turbine generator, and the second generator, which is a diesel engine generator or a gas engine generator, without power supply from a commercial power supply; A control unit that performs control corresponding to a load, which is a facility to which power is supplied by each generator, on the other generator, wherein the determination unit re-determines the limit output value every time a predetermined time elapses.SELECTED DRAWING: Figure 1

The utility model relates to the technical field of drain boards, in particular to an energy-saving insulation measurement type drain board capable of draining water quickly, which comprises a drain hollow board. The drainage plate core is arranged in the middle of the interior of the drainage hollow plate, the wire embedding groove is formed in the center of the front side of the drainage plate core, the metal wire is arranged in the wire embedding groove, and the metal wire and the drainage plate core are integrated in an injection molding mode; a sealing joint is arranged at the center of the front side of the drainage plate core corresponding to the wire embedding groove; according to the utility model, the connecting wire of the external electrifying equipment is inserted into the sealing joint and is connected with the metal wire, and when the external electrifying equipment supplies power to the metal wire, a magnetic field is formed between the drainage hollow plate and the soil body through the electrified metal wire; under the influence of the magnetic field, water in the soil body is guided to quickly penetrate through the filter cloth to move into the drainage hollow plate, so that the drainage efficiency of the soil body is improved.

The invention relates to a device (1) for protecting an item of equipment (E) to be supplied with power by a high-voltage DC bus (B), characterized by an inhibition circuit (15) intended to disconnect the high-voltage DC power source (S) and having a trigger (153) that is configured, in response to an activation signal (S1), to adopt a position (P1) that causes a signal (S2) commanding stoppage of the source (S) to be sent, the trigger (153) being connected to a first manual command means (154) that when actuated causes the trigger (153) to change from the position (P1) to a second position that does not cause the signal (S2) to be sent, and an abnormal voltage (VB) detection circuit (13), which is configured to send the signal (S1) when a voltage (VB) greater than a prescribed threshold (VMAX), which is greater than the nominal DC supply voltage value (HVDCNOM), is detected.

A coaxial tap in a hybrid fiber coaxial cable distribution system includes a hardline circuit with a bridge and a drop circuit with a directional coupler, the tap for serving subscribers with an RF signal and optionally an equipment supply voltage while passing the RF signal to devices downstream of the tap.

The invention discloses a switching control circuit, a switching control method and a power distribution cabinet, and relates to the technical field of electronic power, and the switching control circuit is characterized in that when a power grid supplies power, a control unit sends out a power grid power supply signal and a power generation equipment disconnection signal; the power generation equipment control module controls power generation equipment to stop supplying power according to the grid power supply signal and the power generation equipment disconnection signal; the power grid control module delays the power grid power supply signal and controls the power grid to start power supply according to the delayed power grid power supply signal; when the power generation equipment supplies power, the control unit sends a power grid disconnection signal and a power generation equipment power supply signal; the power grid control module controls the power grid to stop power supply according to the power grid disconnection signal and the power generation equipment power supply signal; and the power generation equipment control module delays the power generation equipment power supply signal and controls the power generation equipment to start power supply according to the delayed power generation equipment power supply signal. According to the invention, the problems of complicated operation and incapability of realizing seamless switching during power supply switching in the prior art can be solved.

The utility model relates to the technical field of circuits, and discloses a circuit for terminal phase sequence protection, which is characterized by comprising a phase sequence protector and an intermediate relay, L1, L2 and L3 terminals of the phase sequence protector are respectively connected with A phase, B phase and C phase of a three-phase power supply, the L1 terminal of the phase sequence protector is connected with a No.11 pin of the phase sequence protector, and the L2 terminal of the phase sequence protector is connected with a No.12 pin of the phase sequence protector. A No.12 pin of the phase sequence protector is connected with a coil A1 of the intermediate relay through a power line, and a coil A2 of the intermediate relay is connected with an N phase of the three-phase power supply. When the phase sequence protection device is used, a power line of equipment with phase sequence protection requirements is connected to the wiring terminal strip, so that when the equipment supplies power, as long as the phase sequence is wrong, the phase sequence protector works, the normally-closed auxiliary contact is disconnected, the intermediate relay loses power, and the electrical equipment with the phase sequence requirements is controlled to be powered on and off, the contactor cannot be closed; therefore, a phase sequence protection function is realized.

The application provides an energy storage system and off-grid energy storage equipment, and relates to the technical field of energy storage systems.The energy storage system comprises: off-grid energy storage equipment, which comprises an AC charging interface, an AC discharging interface, an AC standby power interface and an energy storage converter, and the AC standby power interface is used for connecting a load device; and a grid-connected conversion device, which comprises an AC output port, an AC input port, a grid-connected interface and an electric energy conversion device, the AC output port is connected with the AC charging interface, and the AC input port is connected with the AC discharging interface; when the power grid normally supplies power, the electric energy of the off-grid energy storage equipment is output through the grid-connected interface; or, the electric energy of the power grid supplies power to the load device; when the power grid is powered off, the off-grid energy storage equipment supplies power to the load device through the AC standby power interface.In the technical scheme of the application, the idle off-grid energy storage equipment is incorporated into the grid-connected system through the grid-connected conversion device, so that the off-grid energy storage equipment participates in the peak-valley regulation of the power grid, and the energy storage system can realize uninterrupted power supply to the load device.

The application discloses a supply chain event construction method, system and device based on a business data flow, and belongs to the technical field of supply chain management. The supply chain event construction method comprises the following steps: S1, acquiring a supply chain business data flow; S2, performing structural processing on the supply chain business data flow; S3, performing multi-dimensional feature extraction on the business data flow after the structural processing, wherein the multi-dimensional features comprise trend features, cycle features and abnormal features; S4, performing state legality verification by using a Markov chain based on the feature extraction result, so as to ensure that the supply chain event conforms to a business process specification; and S5, performing time sequence correlation rule matching on the business data flow after the state legality verification, and generating a supply chain event. Through the structural processing on the business data flow, the application realizes intelligent identification and dynamic modeling of complex equipment supply chain events, and provides a reliable data basis for risk monitoring and resource scheduling.

A laser drying device for drying an electrode mixture layer, wherein the laser drying device includes a furnace body, a rectifier plate, a laser light source, and hot air supply equipment, the rectifier plate is arranged in an interior of the furnace body, is arranged between the electrode mixture layer and the laser light source, and is configured so as to transmit laser light, the laser light source irradiates the electrode mixture layer with laser light via the rectifier plate, and the hot air supply equipment supplies hot air between the rectifier plate and the electrode mixture layer.