237 results about "Electrical design" patented technology

The invention relates to a transformer station model construction method based on BIM and GIS. The method comprises the following step: firstly, determining the electric design scope of a transformer station to be constructed in model; secondly, obtaining parameter data and GIS image information of the transformer station to be constructed in model; thirdly, establishing a three-dimensional circuit design platform based on the BIM and GIS according to a B / S network configuration; fourthly, constructing a BIM model database in the three-dimensional circuit design platform based on the BIM and GIS through the parameter data of the transformer station, and carrying out space layout configuration according to the GIS image information; and fifthly, constructing a transformer station whole model through the combination of the space layout configuration and the BIM model database, and carrying out display, query, retrieval, positioning and safety management according to the transformer station whole model. Compared with the prior art, the transformer station model construction method has the advantages that the method is advanced, the coverage is comprehensive, the efficiency is improved, etc.

The invention relates to an electrical design field and discloses a power battery management system and a method thereof. Estimation algorithm of cell state of charge (SOC), a heat management technology, a safety management and other new technologies are researched and implemented. The system in the invention comprises a safety management subsystem, a heat management subsystem, an optimization subsystem and the like. The safety management subsystem is used for monitoring charged states of cell monomers; determining whether the cell monomers are in discharge end states according to charged states of cell monomers and terminating cell discharges if the cell monomers are in discharge end states. The heat management subsystem is used for detecting temperatures of cell monomer surfaces; determining upper limits of temperature ranges in cell monomers according to temperature history information of cell monomer surfaces; determining temperature distribution information of a cell box consisting of all cell monomers; controlling an operating temperature of the battery according to temperature distribution information so that the operating temperature is in a range of preset temperatures. The optimization subsystem is respectively connected with the safety management subsystem and the heat management subsystem, and is used for controlling working states of the safety management subsystem and the heat management subsystem. In the invention, the safety management, the heat management and the like are applied in a management field of a power battery, which can improve safety performance, prolong service life, raise usage efficiency, give fully play to cell potential and guarantee the safety of using.

A method may include receiving an input from an optimization control that indicates a value along a scale, wherein the value is indicative of a design tradeoff between at least optimization for a first parameter of an electrical design and an optimization for a second parameter of the electrical design, wherein the value places an emphasis on the first parameter and an emphasis on the second parameter such that when the value on the scale is closer to the first parameter a larger emphasis is placed on the first parameter of the electrical design and when the value on the scale is closer to the second parameter a larger emphasis is placed on the second parameter of the electrical design. The method may further include choosing components for the electrical design based on the value indicated using the optimization control, the emphases affecting the components selected for the electrical design.

The invention relates to an electrical system for an electric power plant of thermal power engineering and a design method. The architecture layer of the system comprises a digital model layer, an electrical component equipment layer, an electrical system design layer, a document process management layer and a third-party system interaction layer from bottom to top, wherein the digital model layeris used for storing digital models in a design process of the electrical system; the electrical component equipment layer is used for providing a database support for electrical design of an electrical system design layer; the electrical system design layer is used for selecting electrical components required by the electrical system, completing the wiring design of the electrical system according to all the digital models and a database provided by the electrical component equipment layer, and generating corresponding documents; the document process management layer is used for providing document management and user authorization management; the third-party system interaction layer is used for interacting data with a third party system and exporting parsed data into other systems. The design method disclosed by the invention has the advantages that the whole range of the electric power system for the electrical plant can be designed, a power supply and distribution network can be quickly designed, and various data texts consistent with international standards and conventions can be automatically generated, so that the design efficiency is improved by 50 percent or above comparedwith that of a traditional mode.

A system or process for providing complete electrical designs through: computer-automated circuiting; computer automated service device selection, placement, and interconnection; and computer-automated branch circuit wiring, wherein the complete electrical design complies with regulatory, industry standard practice, and client criteria.

A substrate structure integrated with passive components is proposed. The substrate structure includes a carrier plate and a plurality of passive components provided on the carrier plate. The carrier plate is formed with at least one cavity for receiving the passive components and at least one opening for receiving electronic elements. Further, a heat sink can be attached to the carrier plate to improve the heat dissipation efficiency. An insulating layer with circuit structures can be formed on the carrier plate to modularize the substrate structure, so as to provide a desirable electrical design of semiconductors carried by the substrate structure.

A system for analyzing the power consumption of a behavior description of an electrical design includes a structural element library including a set of technology-independent structural macro elements, a macro power model module providing macro power models for one or more of the structural macro elements in the structural element library, and a power estimation module providing a power consumption value of the electrical design using a netlist of interconnected components representative of the electrical design, and the macro power models. The macro power models are associated with corresponding power models in a user-specified gate-level power model library. The power analysis system enables behavior level or RTL power analysis using a user-specified gate-level cell power model library containing arc-based or pin-based power model descriptions or both.

The present invention discloses a method and a device of electromagnetic compatibility assessment of a whole vehicle grounding system. The method comprises the steps of: identifying parts, in a wholevehicle, influencing electromagnetic compatibility; employing a vehicle body structure digital model in a whole vehicle design file to establish a vehicle body model; employing wiring harness digitalmodel related to parts influencing the electromagnetic compatibility in the wiring harness digital model in the whole vehicle design file to establish a grounding network wiring harness model; employing an equivalent circuit mode to establish a grounding point and grounding connection model; employing the equivalent circuit mode to establish an equivalent circuit model of parts influencing the electromagnetic compatibility for the ground; performing simulation of a model of whole vehicle grounding system electromagnetic compatibility analysis to obtain a coupling relation between an interference source part and a sensitive body part through the ground; and performing analysis of the coupling relation to determine the electromagnetic compatibility performance of the whole vehicle groundingsystem. Compared to the prior art, the method and the device of electromagnetic compatibility assessment of the whole vehicle grounding system achieve analysis of electromagnetic compatibility performances of the whole vehicle grounding system in whole vehicle electrical design phase.

The invention relates to the electrical design field, and discloses a coat having a high light transmittance and a high astigmatism degree. The coat comprises 1-15% by mass of spherical organic silicon micro-powder, 0-5% by mass of square barium sulfate, 0-15% by mass of an inorganic filler, 20-90% by mass of a resin, 0-40% by mass of a solvent, 0-4% by mass of an assistant and 0-0.5% by mass of a coloring agent, and the spherical organic silicon micro-powder has a high light transmittance and a high astigmatism degree. The invention also discloses an LED lampshade having a high light transmittance and a high astigmatism degree. The LED lampshade comprises the coat and an LED lampshade body, and the coat is coated on the LED lampshade body. The invention also provides a PC material having a high light transmittance and a high astigmatism degree. The PC material is composed of 0.7-1.0% by mass of the spherical organic silicon micro-powder, 0-1.0% by mass of the square barium sulfate and 98-99% by mass of a transparent PC material, and the spherical organic silicon micro-powder has a high light transmittance and a high astigmatism degree. The PC material is used for preparing lampshades or sheets.

The invention provides an unmanned electric trackless three-direction stacking forklift truck which is provided with a truck body and a power source arranged on the outer side of the truck body. The front end of the truck body is provided with a working device, and the working device is provided with a three-direction stacking truck head. A vehicle controller PLC controlling a single unmanned vehicle to run is arranged in a truck body cab, and a vehicle Ethernet wireless signal receiver is arranged at the left end of the top plane of the truck body. The vehicle controller PLC is connected with the vehicle Ethernet wireless signal receiver and is in data communication with the vehicle Ethernet wireless signal receiver, and the vehicle controller PLC is connected with a mechanism assembly which is arranged on the truck body and used for monitoring, detecting, displaying, driving and controlling the running state of the truck body to achieve automatic assembling and disassembling of the truck body. The unmanned electric trackless three-direction stacking forklift truck is simple and compact in structural design and convenient to manufacture, install and debug, and the safety protection function can be taken into full consideration. Full-automatic unmanned driving control and information collection are achieved on the forklift truck, electrical design is reliable, object overload characteristics are good, an automatic navigation system is high in precision, tracks do not need to be laid, and operation is stable.

A method and mechanism is disclosed for identifying connected shapes and objects in an electrical design. The entire hierarchical design does not have to be flattened to perform the operation of identifying connected objects for a specific object. Instead of unfolding the entire design hierarchy, only the specific instances of shapes falling within the geometric bounds of shapes need to be unfolded to perform the search.

The invention relates to the field of electrical designs and discloses a damage-resistant intruder alarm system. The damage-resistant intruder alarm system comprises a processor, an alarm device and at least two detection lines, wherein the detection lines penetrate through the interior of a door leaf in a manner of mutual crossing; the ends of each detection line are respectively and electrically connected with two control ends of each electronic switch, and each electronic switch is respectively in a disconnection state when the ends of the corresponding detection lines are disconnected; each electronic switch is respectively and electrically connected with each detection input end of the processor; and the output end of the processor is electrically connected with the alarm device, andthe processor is used for controlling the alarm device and is particularly used for judging a currently occurring illegal intruder event and starting the alarm device when any one electronic switch is in the disconnection state. The damage-resistant intruder alarm system has a more reliable anti-theft performance.

A circuit board structure with embedded selectable passive components and a method for fabricating the same are proposed, wherein a plurality of passive components are embedded in a circuit board and a plurality of electrical connections are formed on a surface of the circuit board and electrically connected to the passive components. A circuit structure is formed close to the electrical connections for selectively forming a conductive layer thereon to electrically connect a portion of the passive components according to different electrical situations, in order to provide a set of passive components for electrical design of electronic devices.

A method and mechanism is disclosed for identifying and tracking nets in an electrical design. A hierarchical design does not have to be flattened to perform the operation of identifying and tracking nets. To identify sets of connected shapes, instead of having to unfold the entire design hierarchy, only the specific instances of shapes falling within the geometric bounds of shapes identified as being part of a net needs to be unfolded to perform the search. When composing the list of nets for a hierarchical design, the unfolded shapes at other hierarchical levels of the design can be derived based upon virtual terminal structures that implicitly references nets and objects at other levels.

A method for designing a photovoltaic (PV) system is implemented by a design automation computer system. The method includes receiving a set of site data, receiving a system type selection, receiving a plurality of system component selections, receiving a plurality of PV layout preferences, determining a PV module layout by iteratively applying a first layout algorithm to the set of site data and the plurality of PV layout preferences, the PV module layout defining a placement of a plurality of PV modules of a PV system, determining a structural layout, an electrical design, and an electrical layout based on the PV module layout, determining a bill of materials based on the PV module layout, the structural layout, and the electrical layout, and designing the PV system using the structural layout, the electrical design, the electrical layout, the PV module layout, and the bill of materials.

The invention provides an unmanned electric trackless three-direction stacking forklift truck which is provided with a truck body and a power source arranged on the outer side of the truck body. The front end of the truck body is provided with a working device, and the working device is provided with a three-direction stacking truck head. A vehicle controller PLC controlling a single unmanned vehicle to run is arranged in a truck body cab, and a vehicle Ethernet wireless signal receiver is arranged at the left end of the top plane of the truck body. The vehicle controller PLC is connected with the vehicle Ethernet wireless signal receiver and is in data communication with the vehicle Ethernet wireless signal receiver, and the vehicle controller PLC is connected with a mechanism assembly which is arranged on the truck body and used for monitoring, detecting, displaying, driving and controlling the running state of the truck body to achieve automatic assembling and disassembling of the truck body. The unmanned electric trackless three-direction stacking forklift truck is simple and compact in structural design and convenient to manufacture, install and debug, and the safety protection function can be taken into full consideration. Full-automatic unmanned driving control and information collection are achieved on the forklift truck, electrical design is reliable, object overload characteristics are good, an automatic navigation system is high in precision, tracks do not need to be laid, and operation is stable.

The invention provides an EPLAN design data based method for an integrated harness processing device. The method mainly comprises the following steps of firstly, completing model building of a low-voltage compartment cabinet body and an electrical device component by three-dimensional software; secondly, importing EPLAN Pro Panel (a trial version) electrical design software, inputting a material number, directly calling or directly building a model on the EPLAN Pro Panel (the trial version) software, importing electrical design data from an electrical schematic diagram with one click, and planning a harness wiring path to complete three-dimensional wiring; thirdly, automatically calculating parameters such as an output wire length, a wire diameter size, wire color, a crimping wire nose, a wire skin-stripping length and printed address information, exporting the parameters into an EXCEL form, and converting the EXCEL form into a DDS file; and finally, importing to a Zeta633L harness processing device, and completing the processing of a low-voltage compartment harness per piece.

A method and mechanism is disclosed for identifying and tracking nets in an electrical design. A hierarchical design does not have to be flattened to perform the operation of identifying and tracking nets. To identify sets of connected shapes, instead of having to unfold the entire design hierarchy, only the specific instances of shapes falling within the geometric bounds of shapes identified as being part of a net needs to be unfolded to perform the search. When composing the list of nets for a hierarchical design, the unfolded shapes at other hierarchical levels of the design can be derived based upon virtual terminal structures that implicitly references nets and objects at other levels.

The invention discloses a detection and braking integrated robot joint driver and relates to the field of industrial control. The detection and braking integrated robot joint driver comprises a speedreducing assembly, a driving assembly, a braking assembly and an angle detection assembly, and a reducer input shaft in the speed reducing assembly penetrates through and integrates the driving assembly, the braking assembly and the angle detection assembly, so that a mechanical structure of the detection and braking integrated robot joint driver is compact and concise; the compact mechanical structure allows electrical design and configuration of the detection and braking integrated robot joint driver to be relatively simple; with the adoption of a speed reducer input shaft coaxial mounting manner, an angle sensor detects more precisely, braking force of a friction block is applied more directly and uniformly, the braking stability is better, and the reliability of the detection and braking integrated robot joint driver is improved integrally; through the use of an elastic component in the detection and braking integrated robot joint driver, an unavoidable error in use and assembly ofthe detection and braking integrated robot joint driver is compensated smartly, and the reliability of the detection and braking integrated robot joint driver is further perfected; in conclusion, themechanical structure assembly mode of the detection and braking integrated robot joint driver can be integrated, the electrical design is simplified and the integrated level and reliability are improved.

The invention provides a satellite matrix cable network designing method. The satellite matrix cable network designing method comprises the following steps: (1) determining the constitution of a matrix signal link; (2) determining a topological structure of the matrix link; (3) determining a matrix signal traversal sequence of the matrix link; (4) performing matrix signal resource allocation, establishing an interface circuit connection relationship between matrix user equipment to be allocated and a matrix control end, and forming a matrix junction allocation table; (5) performing cable branch design, lead type selection, electrical connector type selection and de-concentrator type selection design to form a cable network transmission channel table; and (6) finishing cable trend design according to the cable network transmission channel table, and forming a file which can be used for guiding cable production, binding and pavement. In the method, the structural design and electrical design of a matrix cable are combined organically, a stand-alone traversal sequence is determined through selection of an optimal cable path, and an electrical signal design is performed on the basis, so that forward and backward movement of the same signal lead between upper and lower equipment on a deck can be reduced effectively, and the weight of the cable is reduced.

The invention discloses a transformer substation short-circuit current calculation system based on a three-dimensional design platform. The three-dimensional design platform comprises an electrical design module, a program setting module, and a calculation module, wherein the electrical design module can arrange electrical elements and electric connecting wires under the three-dimensional environment to finish the main wiring diagram design of the transformer substation and automatically generate an impedance chart of the main wiring diagram design of the transformer substation; the program setting module is used for defining symbols of the impedance chart, setting a short-circuit calculation point and a short-circuit current formula of the impedance chart, and setting a public calculation variable; the calculation module is used for calculating the short-circuit current of the impedance chart according to the short-circuit current formula set by the program setting module. The digitalization / three-dimensional design requirement of the transformer substation is realized based on short-circuit current calculation of the transformer substation three-dimensional design software. The conventional design mode is broken through, and the quality and efficiency of the design are effectively improved.

The invention discloses an electrical design method for preventing a direct current overhead contact system from being frozen. The method comprises an electrical circuit design method and an electrical control design method. According to the anti-freezing electrical circuit design method, on the basis of a basic structure of a direct current traction power supply system, a direct current bus of adirect current traction substation continuously outputs a certain amount of current to the overhead contact system, the size of the current is adjusted through adjustment of the circuit input range ofthe overhead contact system, and contact lines are prevented from being frozen through the thermal power of the overhead contact system. An anti-freezing circuit is low in consumption, small in equipment input, free of addition of manpower and mechanical facilities and easy to realize in a project. According to an electrical circuit control method, circuit control logic, action criteria and a control logic principle are proposed, and the control method is simple, effective and reliable.

The invention discloses a manufacturing method of a high-flame-retardance low-release environment-friendly shield cable. The method comprises the following steps of material selection, wire drawing, intertwist of conductors or conductors, lapping of a fire-resistant insulation layer, extruded insulation, radiation crosslinking, cabling, metallic shielding, extrusion of an oxygen insulation layer,armouring, lapping, extrusion of an outer sheath, detection of product performance and packaging and warehousing of finished products. The manufactured cable overcomes the defects of high smoke formation and high toxicity of a flame-retardance wire cable of the halogen-containing series, also solves the problem that the flame-retardance wire cable of the halogen-containing series cannot reach therule of the new version of the civil building electrical design specification, and has the capacity of resisting external electromagnetic interference and the capacity of outward radiating electromagnetic interference of a system; the flame retardance of the cable can reach the grade A, the combustion performance of the cable can reach the grade B1, the smoke toxicity of the cable can reach the grade t0, the combustion dripping / particle grade of the cable can reach the grade d0, the corrosion resistance of the cable can also reach the grade a1, and the cable can be widely applied to civil buildings.

The invention discloses a crane anti-swing control method based on a frequency converter and the frequency converter. The crane anti-swing control method based on the frequency converter comprises the steps that a speed giving module of the frequency converter receives an issued crane operational order, a crane operational order comprises a target speed Va, and the target speed Va serves as an initial given speed Vb to be sent to an anti-swing module of the frequency converter; the anti-swing module obtains a real-time swing angle theta of hoisting, based on the real-time swing angle theta and the feedback current If obtained by an electric current acquiring module of the frequency converter, the given speed Vb is subjected to real-time amending, and a real-time amended result is output to a motor control module of the frequency converter; and the motor control module drives a motor to operate according to the real-time amended result. According to the crane anti-swing control method based on the frequency converter, the anti-swing function of the crane is directly integrated into the frequency converter, compared with mechanical anti-swing, the cost is low, and maintenance is easy; and compared with a peripheral option type electronic anti-swing scheme, the peripheral electrical design is simple, the cost is low, fault points are less, and meanwhile the effect of controlling weights to swing is better.

The invention discloses a design of a novel direct-current converter valve thyristor damping loop, which can meet all requirements on electrical designs. The damping loop consists of a direct-current voltage-equalizing resistor, a damping resistor and a damping capacitor, wherein the direct-current voltage-equalizing resistor plays a role in equalizing the voltage of a converter valve and provides a loop for voltage detection of a circuit board. The damping capacitor consists of three capacitors, wherein one damping capacitor plays a role in dividing a voltage; one damping capacitor and the damping resistor are connected in series to form a damping loop; and another damping capacitor is connected in series with a quick energy-taking loop resistor to form a quick energy-taking loop of a thyristor testing and monitoring (TTM) unit. By the novel design method, the design of the direct-current converter valve thyristor damping loop is simplified as possible in the situation of meeting requirements.

The invention relates to the field of electrical design and discloses a boost integrated circuit for a tuner. The boost integrated circuit comprises a clock oscillation circuit, a charge pump circuit and a voltage stabilizing circuit, wherein the clock oscillation circuit is electrically connected with the charge pump circuit and used for providing clock frequency signals for the charge pump circuit. An input end of a low-noise circuit is externally connected with externally input low-voltage signals, and an output end of the low-noise circuit. The charge pump circuit comprises N levels of charge pump subcircuits and output load circuits in cascade connection, wherein the N is a natural number. By the above technical scheme, low-voltage electric signals can be boosted to required high-voltage electric signals, and the boost integrated circuit for the tuner is high in adaptability and adjustability according to practical application.

The invention discloses a manufacturing method of a high-flame-resistant, low-emission, green and environmentally-friendly fire-resistant cable. The method comprises the following steps: (1) materialselection; (2) wire drawing; (3) conductor or conductor twisting; (4) fire-resistant insulating layer wrapping; (5) extruded insulation; (6) irradiation crosslinking; (7) cabling; (8) oxygen barrier extrusion; (9) flame-resistant layer wrapping; (10) outer sheath extrusion; (11) product performance detection; and (12) finished product packaging and storage. The cable manufactured by the inventionovercomes the disadvantages that halogen-containing series flame-resistant electric wires and cables are high in smoke generation and high in toxicity, and also solves the problem that halogen-free series flame-resistant electric wires and cables cannot reach the specifications of new edition of 'civil architectural electrical design code', so that the cable can be of relatively high fire resistance, the flame resistant level reaches level A, the combustion performance reaches level B1, the smoke toxicity reaches level t0, the combustion dripping / particle level reaches level d0, the corrosionperformance level also can reach level a1, and the cable can be widely used in civil architectures.

The invention relates to the field in which high pressure-resisting sealing and electrical connection is needed, and particularly relates to a high pressure-resisting sealing connector and a cable manufacturing method. The high pressure-resisting sealing connector comprises a socket arranged inside a cabin, a plug matched with the socket, O-type sealing circles playing sealing roles in cabin wall mounting holes, crimping terminals for connecting a wire outside the cabin and the plug, and a rubber sleeve playing a sealing role outside the cabin. According to the technical scheme of the invention, electrical connection of a sealing cabin section with short length and small diameter structure size constraints and high pressure-resisting insulated requirements, the problems that the conventional sealing connector is large in size and long in length can be solved, and flexibility of sealing cabin body structure design and electrical design inside the cabin is improved.

The invention provides a method and a system for integrally optimizing an electrical design scheme of a wind electric field. The method comprises the steps of: performing electrical design on the wind electric field based on obtained electrical design data, specifications and standards of the wind electric field; obtaining an initial electrical design scheme; calculating reliability and economic indexes based on the obtained electrical design scheme; optimizing the initial electrical design scheme by utilizing the reliability and the economic indexes to obtain the optimized electrical design scheme of the wind electric field; finally, synthesizing the optimized electrical design scheme of the wind electric field based on the current running environment of the wind electric field, and performing integral optimization on the electrical design scheme of the wind electric field. The electrical design scheme of the wind electric field is optimized by fully considering the characteristics of the wind electric field, optimizing the initially obtained electrical scheme by utilizing the reliability and the economic indexes of each constituent component of the wind electric field after the initial electrical design scheme is obtained, and combining the electrical design, the reliability evaluation and the economic evaluation together.