371 results about "Electrification" patented technology

The invention discloses an electricity testing measuring device for power equipment. The invention relates to the field of space electric field measurement, and solves the problems of unsafety and low anti-interference capability of an existing electricity testing scheme. The electric field sensor collects the electric field intensity in a non-contact manner, and the distance sensor synchronously collects the detection distance, so that a conventional contact type electroscope does not need to contact equipment through a telescopic insulating rod. The signal processing circuit preprocesses electric field intensity information and distance information respectively to obtain effective analog signals representing the electric field to be measured, and the defect that a traditional non-contact plate electrode sensor induces stray electric fields indifferentially is overcome. Besides, the judgment control circuit judges the electrification state according to the preset electric field threshold value corresponding to the current distance analog signal instead of a single fixed threshold value of a traditional device instead of adopting a fixed threshold value, the electric field distribution characteristics of equipment with different voltage grades are adapted, manual intervention is not needed, and personal safety is guaranteed. And the occurrence rate of production accidents caused by abnormal electrification of equipment is reduced.

The utility model discloses a soft start system based on excitation current reduction, which is characterized in that a time relay mainly controls the switching of a live wire between a power resistor and an alternating current contactor, the power resistor magnetizes a transformer at the moment of electrification, and the alternating current contactor is connected into a circuit by the time relay after the magnetization is completed; and after the power resistor is short-circuited, the circuit is cut out, so that the purpose of suppressing the excitation inrush current is finally achieved, the excitation effect caused by voltage abrupt change at the power-on moment of the isolation transformer can be avoided, and the excitation abrupt change of the isolation transformer during power-on is effectively reduced.

The invention provides a mapping knowledge domain-based electricity demand and carbon emission correlation analysis method and system for a high-voltage electric control and emission enterprise. According to the method and the system, through collection and preprocessing of multi-source heterogeneous data, association rule mining and causal relationship modeling technologies are combined, and the influence of the electrification degree on the power consumption demand and the carbon emission of an enterprise is quantified. By constructing the knowledge graph of the electricity-carbon demand relationship, the system realizes systematic management of the power demand and carbon emission of the enterprise, provides intelligent decision support, helps the enterprise to optimize an electrification transformation scheme, and reduces carbon emission and energy consumption cost.

The invention relates to an electrified railway traction power supply system which is low in investment, is smooth for obtaining a current and is convenient to maintain. Rail webs outside two steel rails of a rail are respectively provided with one insulating strip; then a power supply strip is respectively arranged outside each insulating strip; each vibration inductive switch is connected in series with a sound inductive switch and a light-operated inductive switch; one ends of the connected switches are connected to the power supply strips at one sides; the other ends of the connected switches are connected with feed lines; the power supply strips at the other sides are connected with return wires. Power receiving frames at a headstock side and a tailstock side of a train are in contact with the power supply strips; when the train passes through a zone, the vibration inductive switches are closed, the sound inductive switches are closed, the light-operated inductive switches are closed, the power supply strips in the zone supply power, the power receiving frames of the train obtain a current and the train runs; when the train runs into a next power supply zone, the next power supply section is powered on, and power supply is stopped in the power supply zone. The aims of low investment, smoothness for obtaining the current and convenience for maintenance are fulfilled.

The method is applied to the fields of train regenerative braking energy utilization, stray current and rail potential treatment and the like in electrified rail transit, especially urban rail transit. The invention provides a direct-current traction power supply system capable of reducing the energy storage capacity of a super capacitor of urban rail transit, which is combined with a super capacitor energy storage device of the urban rail transit and supplies power to a power electronic device for treating stray current and rail potential by utilizing regenerative braking energy of a train. The super-capacitor energy storage device has the following advantages that on one hand, the energy storage capacity of the super-capacitor bank in the super-capacitor energy storage device between train braking and traction can be reduced, and the utilization efficiency of regenerative braking energy stored by the super-capacitor bank is improved; on the other hand, the problems of stray current, rail potential and the like in the system can be solved from the source, and the power supply distance of a traction substation is remarkably increased. Therefore, the direct-current traction power supply system is of great significance to green and safe operation of urban rail transit.

An electrified vehicle includes a chassis having a longitudinal length of at least 20 feet and an energy storage system. The energy storage system includes an enclosure coupled to the chassis, a battery pack positioned within the enclosure, a power distribution system positioned within the enclosure, a first wiring harness positioned entirely internal to the enclosure where the first wiring harness electrically couples the battery pack to the power distribution system, and a second wiring harness. A first portion of the second wiring harness is positioned internal to the enclosure and a second portion of the second wiring harness is positioned external to the enclosure. A maximum external length of any cable of the second wiring harness external to the enclosure is less than 25% of the longitudinal length.

The utility model relates to vacuum sealing machine technical field discloses a kind of heating wire protection device and vacuum sealing machine of vacuum sealing machine, device includes: ac interface end, microswitch, lid detection circuit, drive circuit, heating wire and control module.Microswitch is set on the lid of vacuum chamber, lid detection circuit is connected with microswitch, lid detection circuit is connected with control module;Drive circuit is connected with the output end of control module, and drive circuit is connected with ac interface end and heating wire respectively;Lid detection circuit exports open lid signal when determining the lid opening of vacuum chamber;Control module receives open lid signal, exports cut-off signal;Drive circuit receives cut-off signal, disconnects ac interface end and heating wire.Can avoid the risk of heating wire bare electrification, solve heating wire electrification problem;And based on the heating wire of alternating current power supply work, improve heating speed, improve sealing efficiency, greatly reduce equipment cost, reduce power loss and heat generation.

The utility model discloses a special-shaped wiring terminal strip of prevent mistaken plug, the utility model relates to electrical connection equipment technical field. This special-shaped wiring terminal strip of prevent mistaken plug contains the mounting base, the mounting base top is provided with the wiring post, the wiring post rear end is provided with a plurality of wiring interfaces, the wiring interface front is provided with the electrification column, the wiring interface is provided with the wiring connector inside, through set trapezoid slot, cambered surface slot, cross locating rib etc. Structure, can better cope with high density wiring and quick plug -pull demand, carry out positioning and limit to the plug from multiple dimensions, reduce mistaken plug risk greatly, improved the reliability of prevent mistaken plug, and can through electrification column and contact assembly with insulating layer, when wiring, will not default electrification, avoided the safety accident that causes because mistaken electrification in the wiring process, the safety in the operation process was enhanced significantly.

This invention provides a method and system for assessing the electrification potential of heavy-duty vehicles based on remote monitoring data. It utilizes trajectory time intervals, speed changes, and stopping behavior to segment the journey; and calculates fuel consumption, average speed, and NO based on data collected by high-precision sensors. x Emissions, as a crucial parameter for assessing electrification potential, are used to preserve the heterogeneity of cargo weight, driving behavior, and route selection across different freight tasks within the algorithm. A method is proposed to integrate multiple economic factors, including purchase costs, battery swapping infrastructure construction and operation expenses, fuel savings, carbon trading revenue, nitrogen oxide emission reduction subsidies, and detour time costs, into a unified measurement system. A four-dimensional state space—vehicle-time-route-battery—is established, leveraging a high-speed road network geographic information system to maximize the optimization potential of battery swapping detours while satisfying time window constraints. The model is transformed into a mixed-integer programming solution by using binary route selection variables and integer variables, providing strong support for electrification replacement.

The invention relates to an electrified highway optimization scheduling method based on a virtual power plant. The method comprises the following steps: constructing an electrified highway; constructing a virtual power plant system of the electrified road, and mapping power purchased by a power distribution network, renewable energy output, battery charging power and battery discharging power into a schedulable power unit; aiming at the virtual power plant system, establishing an optimization problem by taking the operation cost minimization as an objective function and taking the dynamic balance of the total power supply power and the total power utilization power as a constraint condition; and solving the optimization problem to obtain an optimal scheduling scheme of each time period. The method overcomes the limitation that an existing electrified road control scheme depends on static switching and lacks cooperation and marketization capability, and the energy utilization rate, the operation cost, the power supply reliability, the power grid flexibility, carbon emission reduction and other aspects of the electrified road are remarkably improved.

The invention relates to a method and system for generating steam and electricity, comprising a first electrical heat production system (20) and a second heat and electricity production system (30) comprising: (a) a heat exchanger (32) connected to a water-supplied conduit (2), (b) a thermodynamic machine (33) producing hot gases circulating inside the heat exchanger (32) to transfer heat to the water circulating in the exchanger, (c) a thermal storage system (34) coupled to the circuit (330) of the thermodynamic machine (33), (d) a heating device (340) for the thermal storage system, and (e) an electrical generator (36) driven by a turbine of the thermodynamic machine. The heat required for the thermodynamic machine to operate and produce hot gases is supplied by the thermal storage system during its discharge phase. Figure 1.

This invention relates to a power generation device and method based on gas-liquid two-phase flow, comprising: a liquid container, a gas flow inlet, a liquid inlet, a dividing chamber, a reaction chamber, and a conductive electrode; the gas flow inlet is connected to the gas flow inlet of the dividing chamber; the liquid inlet has one end sealed to the liquid inlet of the dividing chamber and the other end connected to the solution to be reacted in the liquid container; in the dividing chamber, the gas flow entering through the gas flow inlet divides and atomizes the solution to be reacted entering through the liquid inlet, forming a gas-liquid two-phase flow; the reaction chamber is connected to the gas-liquid outlet of the dividing chamber, and the gas-liquid two-phase flow enters the reaction chamber through the gas-liquid outlet; in the reaction chamber, the gas-liquid two-phase flow undergoes a frictional electrification reaction with the inner wall of the reaction chamber, forming a charged electric-liquid two-phase flow; the conductive electrode is disposed at the outlet of the reaction chamber and is used to acquire the charge in the charged electric-liquid two-phase flow.

The invention discloses an electrified flexible source load adjustable potential evaluation method considering cold load characteristics, and particularly relates to the technical field of electric power system evaluation and control, and the method comprises the steps: S1, obtaining the environment and equipment parameters of a cold load monomer, S2, constructing an electric-thermal coupling refined model considering a comfort level elastic interval, and S3, constructing an electric-thermal coupling refined model considering a comfort level elastic interval; the method comprises the steps of S1, obtaining a plurality of monomers, S3, calculating the adjustable potential of the monomers and generating a constraint envelope line representing the dynamic attenuation characteristics of the monomers, S4, obtaining a regional cluster potential evaluation result through aggregation according to the spatial dimension and the time scale, and S5, uploading the result to a power grid dispatching system for security defense and intelligent dispatching of a power grid of 750 kilovolts and above. According to the method, accurate quantification and dynamic representation of the adjustable potential of the cooling load are realized, the blank of cognition of a large power grid on the distributed cooling load is filled, and the flexible resource utilization level and the operation safety of the power grid are remarkably improved.

The application discloses an electric boiler system without capacity expansion and a control method thereof. The electric boiler system without capacity expansion comprises a power monitor, a temperature sensor and an electric boiler. The power monitor is used for detecting real-time power of a user and sending the real-time power to the electric boiler; the temperature sensor is used for collecting real-time temperature of a room and sending the real-time temperature to the electric boiler; and the electric boiler is used for calculating maximum starting power allowed for starting of the electric boiler according to the real-time power of the power monitor and the real-time temperature of the temperature sensor and dynamically adjusting starting power of the electric boiler. The application can intelligently adjust the starting power of the electric boiler, dynamically adjusts the starting power of the electric boiler in combination with indoor temperature and set temperature, achieves the purpose of intelligent energy saving, solves the industry bottleneck, enables original projects that cannot use the electric boiler for heating to use the electric boiler for heating, improves user power safety, and adds a powerful guarantee for highly electrified life.

According to the ship stabilization system based on the electromagnetic actuators and the control method, the upper electromagnetic actuator, the lower electromagnetic actuator, the left electromagnetic actuator and the right electromagnetic actuator serve as executing mechanisms and are arranged on the upper portion, the lower portion, the left portion and the right portion of the central axis of a ship respectively. Rapid response in a full-wave period range is achieved, hydraulic oil or water tank liquid is not needed, a pure electrification scheme is adopted, energy consumption is low, occupied space is small, maintenance convenience is high, and an excellent stabilization effect is achieved; according to the method, actual current output values of the upper electromagnetic actuator, the lower electromagnetic actuator, the left electromagnetic actuator and the right electromagnetic actuator can be solved according to attitude signals collected by a ship, inherent parameters of the ship and a ship rolling kinetic equation, and the service life balance of the electromagnetic actuators and the reliable stabilization effect of the system are achieved. And the method is of great significance in improving the safety and comfort of the ship.

The present invention relates to a method for diagnosing an electrical power system (15) for an electrified vehicle comprising an energy storage system (1), a voltage bus (5) generated by the storage system (1) and an ePTO electrical charging socket interface (6), the method comprising determining electrical parameters in post-driving when high voltage systems are deactivated and when the external power load (7) connected to the interface (6) only is activated, then performing an electrical fault diagnosis comprising verifying an insulation fault criterion of the electrical circuit (17) of the interface (7) consisting of generating an insulation fault alert if a first insulation resistance value is greater than a first resistance threshold and if, at the same time, the second insulation resistance value is less than a second resistance threshold. Figure 1.

The utility model provides an electric ship, a power supply vehicle and a ship trailer electrified water transportation system, and relates to the technical field of electric ship power supply. The system comprises a traction rope, a power cable, a traction converter, a controller, a power supply rail and a power supply vehicle, the electric ship comprises a shipborne traction motor, and the traction converter is electrically connected with the shipborne traction motor; the output end of the controller is in communication connection with the control end of the traction converter; the power supply vehicle comprises a current collection module which is used for being electrically connected with the power supply rail. Wherein the electric power ship takes electricity from a current collection module of the power supply vehicle through a power cable, and the electric power ship is mechanically connected with the power supply vehicle through a traction rope; the controller is used for controlling the traction converter to perform frequency conversion and voltage transformation so as to regulate the speed of the shipborne traction motor to drive the electric ship and control the running speed of the electric ship; the electric ship is used for driving the power supply vehicle to operate synchronously through the traction rope during operation. The system has the advantages of eliminating pollution, improving efficiency, saving system cost and the like.

The invention discloses an electrostatic adsorption force alignment system and method, and the system comprises a plurality of segmented electrodes which are distributed on a first device and a second device and are electrically isolated from each other, and the segmented electrodes are disposed at the edges of the first device and the second device; the movable high-conductivity electrification auxiliary device is used for forming capacitive coupling with the segmented electrodes in a charging stage; the controllable switch circuit is connected with the segmented electrodes and used for disconnecting the segmented electrodes from the electrostatic generator after charging is completed; and the alignment control unit is configured to apply positive and negative alternating voltages to the segmented electrodes according to a preset grouping mode, and execute a cycle of charging, disconnecting, translation / rotation, discharging and regrouping for multiple times until the target alignment precision between the first device and the second device is achieved.

The aging framed bent of the aluminum electrolytic capacitor comprises a positive sleeper, a negative sleeper, a third sleeper, isolation wood, a positive electric strip and a negative electric strip, the positive pole sleeper and the negative pole sleeper are oppositely arranged, the isolation wood is arranged between the positive pole sleeper and the negative pole sleeper, the positive pole electric strip is fixedly arranged on the positive pole sleeper, the negative pole electric strip is fixedly arranged on the negative pole sleeper or the third sleeper, and the negative pole electric strip is in contact with a shell of the aluminum electrolytic capacitor for electrification; and the third sleeper is arranged above the isolation wood. According to the aging bent frame of the aluminum electrolytic capacitor, the negative electrode electric strip is contacted with the shell, and the shell serves as a negative electrode during aging, so that the capacity density in the capacitor in the aging process can be reduced, the phenomenon of short circuit sparking in the aging process is reduced, and the yield of products is improved.

The utility model discloses a power supply mechanism used for an electrophoresis production line, comprising a power supply assembly, one side of the power supply assembly is provided with a conductive assembly, the upper end of the conductive assembly is provided with a lifting appliance, one side of the power supply assembly is connected with a supporting seat, one side of the supporting seat is provided with a fixing rod, and the fixing rod is provided with a clamping groove. Compared with the prior art, the power supply device is reasonable in structural design and high in practicability, after a conductive assembly is attached to and makes contact with a power supply assembly in the moving process, the conductive assembly can be conveniently fixed to the power supply assembly, and the power supply assembly can be conveniently fixed to the power supply assembly in the moving process of the power supply assembly in the moving process of the power supply assembly. And through automatic electrification, the efficiency of automatic power supply is effectively improved, and the use effect is effectively improved.

The purpose of the present application is to provide: a ferroelectric device assembling apparatus that makes it possible to maintain the curing temperature of an adhesive when adhering a ferroelectric device while eliminating static; and a ferroelectric device.　A ferroelectric device assembling apparatus (400) is for assembling a ferroelectric device (20) including a ferroelectric element (304) by using a thermosetting adhesive. The ferroelectric device assembling apparatus comprises: a heating device (301) that cures the thermosetting adhesive; and a static eliminator (402) for neutralizing electrification generated due to heating performed by the heating device (301). At least one of the heating device (301) and the static eliminator (402) is configured to include a temperature maintaining mechanism for maintaining the temperature of the ferroelectric element (304) during static elimination performed by the static eliminator (402).

The invention belongs to the technical field of composite material testing, and particularly relates to a material breakdown strength testing device and method. The material breakdown strength testing device comprises a shell, an electrifying device and at least one group of stretching and fixing mechanism, a first fixing piece and a second fixing piece are arranged on two opposite sides of the shell and are used for fixing two ends of a sample, and a stretching driving piece is used for driving at least one of the first fixing piece and the second fixing piece to transversely move so as to stretch the sample; the electrifying device is used for electrifying the sample. The material breakdown strength testing method comprises the following steps: driving a stretching driving piece to stretch a sample to enable the sample to reach a preset length; and starting the electrifying device to electrify the sample until the sample is punctured, stopping electrifying the sample, and recording a voltage value when the sample is punctured. According to the material breakdown strength testing device and method in the technical scheme, the safety margin during operation of the composite material is reflected more truly, and the potential safety hazard problem in material selection or design is reduced or avoided.

The present invention relates to a power conditioning system and an aggregation device. A power conditioning system that conditions charging and discharging power of electrified vehicles in a virtual power plant using a plurality of electrified vehicles as energy resources. The power conditioning system includes a first processor configured to manage charging and discharging of the electrified vehicles based on vehicle information of each individual electrified vehicle included in the electrified vehicles, and a second processor configured to control charging and discharging between the electrified vehicles and a plurality of chargers and dischargers connected to a power distribution network based on charging and discharging information provided from the first processor. The charging and discharging information is generated based on the vehicle information of each individual electrified vehicle and includes charging and discharging constraints of a group of electrified vehicles composed of the electrified vehicles and charging and discharging constraints of each individual electrified vehicle.

The application relates to the technical field of protective devices, and discloses a device for safely protecting the electrification of copper bar end heads, which comprises a copper bar end head, a protection mechanism arranged on the copper bar end head, the protection mechanism comprising an outer left protection shell and an outer right protection shell, flexible protection sleeves connected to the inner walls of the outer left protection shell and the outer right protection shell, inner arc-shaped accommodating cavities formed in the flexible protection sleeves, and the inner arc-shaped accommodating cavities being shaped to accommodate the copper bar end heads. The device for safely protecting the electrification of copper bar end heads is provided with the protection mechanism, external physical protection is provided by the hard materials of the outer left protection shell and the outer right protection shell, the inner arc-shaped accommodating cavities and the sealed hollow cavity structure of the flexible protection sleeves are combined to realize the flexible adhesion and sealing of the copper bar end heads, the flexible supporting columns disperse the inflation pressure along the radial direction to avoid local deformation, a double-protection system is formed, and the structural stability is improved.

To suppress the occurrence of micro-spalling even in an area shallower than 40 μm from a surface, thereby prolonging a service life of a rolling bearing used in lean lubrication environment in increasingly electrified devices such as an e-Axle and multi-stage automatic transmissions (AT).SOLUTION: A rolling bearing uses a rolling component consisting of a planetary gear 1 corresponding to an outer ring of the rolling bearing, a shaft 2 corresponding to an inner ring, and rolling elements 3, where a micro-Vickers hardness is 800 to 930 Hv0.1 from a surface to a depth of 25 μm, an absolute value of a residual compressive stress on the surface is 850 MPa or more, and a half-width of an X-ray diffraction peak on the surface is 6.0 to 6.7°.SELECTED DRAWING: Figure 2

The utility model discloses a constructional engineering template fixing device, relates to fixing device technical field, including: base plate, fixed plate, electrifying box, the bottom of electrifying box is equipped with the clamping pole, the output end of clamping pole is equipped with the clamping plate, the outer wall of electrifying box is equipped with the electric wire, the outer wall of fixed plate is equipped with the electric slide rail, the electric slide rail is equipped with the electric slide rail, and the electric slide rail is equipped with the clamping pole. A linkage rod is installed at the output end of the electric sliding rail, and a limiting plate is installed on the outer wall of the linkage rod. By installing the fixing mechanism, the formwork is placed on one side of the fixing plate, the two sets of clamping plates are attached to the top and the bottom of the formwork, the position of the formwork is fixed, meanwhile, the two sets of limiting plates are made to move to the two sides of the formwork, the two sides of the formwork are limited, and therefore the formworks of different sizes can be conveniently fixed; bolt installation is not needed, and installation convenience is improved.

The application relates to the field of cracking, and discloses a high-electrification-rate cracking method, which comprises the following steps: a gasification stage, in which raw materials and steam are preheated and mixed to generate cracking materials; a cracking stage, in which combustion-supporting agents are electrically heated, fuel gas is combusted, and the cracking materials output from the gasification stage are cracked into final products; and a quenching stage, in which the final products generated in the cracking stage are cooled. By using an electric heater and optimizing a process flow, the fuel gas consumption is maximally reduced, and the carbon dioxide emission is reduced without changing the existing process flow.

The invention relates to the technical field of artificial intelligence, in particular to a hybrid parameter freezing method and related equipment for power generation equipment data, and the method comprises the steps: obtaining a pre-trained basic large model and an associated functional layer; power plant professional fields are divided according to gas turbines, electricity, chemical water and the like, independent adaptive modules are created for all the fields, and the associated functional layer is connected through preset interfaces; obtaining a data set of power generation equipment in each field, training a corresponding adaptation module and an associated functional layer, and meanwhile, freezing basic large model parameters and adaptation modules not in the field to obtain expert models in each field; and inputting real-time power generation equipment data into the basic large model, and loading the expert model in the corresponding professional field to execute a data analysis task. Through field adaptation and parameter freezing design, the analysis pertinence and accuracy of the model for data in each professional field of the power plant are improved, and the method is adaptive to the multi-scene equipment data analysis requirements.

The utility model discloses an outdoor modularized vacuum circuit breaker for an electrified railway, which comprises a box body, a transmission module, a monitoring and control unit, an insulating module, an insulating pull rod and a solid-sealed polar pole, wherein the transmission module and the monitoring and control unit are arranged in the box body; the insulating module is arranged at the top of the box body; the monitoring unit is used for monitoring the running state of each component in real time; the transmission module comprises a transmission assembly and an opening assembly and a closing assembly which are respectively connected with the transmission assembly, the transmission assembly drives the opening assembly to execute opening operation and drives the closing assembly to execute closing operation, and the main control board of the monitoring and control unit is in communication connection with a driving part of the transmission assembly. The device is reliable in structure, adopts modular design, can be quickly disassembled, assembled and maintained, reduces the operation and maintenance cost, is high in reliability, and adapts to outdoor severe environments and frequent operation; moreover, the circuit breaker is good in vibration resistance and sealing performance, guarantees long-term stable operation, integrates monitoring and remote control, and remarkably improves the equipment performance and the operation and maintenance efficiency.

The application belongs to the technical field of power grid contactor equipment, and discloses a high-safety power grid contactor device, which comprises a base, a first driving assembly and a second driving assembly, the base is provided with a mounting plate, the mounting plate is provided with a mounting hole, in actual operation, the base can be mounted on external transformer equipment and other equipment by means of fasteners such as bolts penetrating through the mounting hole, and the mounting is simple and convenient. Two groups of contactor assemblies are movably arranged on the base, the contactor assembly comprises a connecting member and a rotating member, the connecting member is connected with a wire, the rotating member is rotatably arranged on the base, the first driving assembly drives the two groups of rotating members to rotate, and the second driving assembly drives the two groups of contactor assemblies to relatively move close to or away from each other. The high-safety power grid contactor device can effectively avoid the misoperation of the contactor starting switch, the incorrect combination of the contactor device caused by the misoperation, and the electrification, so as to guarantee the operation safety of the operator in the circuit maintenance process.