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834 results about "Electrical wiring" patented technology

Electrical wiring is an electrical installation of cabling and associated devices such as switches, distribution boards, sockets, and light fittings in a structure. Wiring is subject to safety standards for design and installation. Allowable wire and cable types and sizes are specified according to the circuit operating voltage and electric current capability, with further restrictions on the environmental conditions, such as ambient temperature range, moisture levels, and exposure to sunlight and chemicals.

Multi-source ammeter data intelligent fusion and abnormity identification method

The invention provides a multi-source ammeter data intelligent fusion and abnormity identification method. According to the method, original electric parameter data of a plurality of intelligent electric meters are collected under a unified time reference, a cross-equipment measurement data set indexed according to electric meter numbers is constructed, and electric parameter classification and associated information generation are completed in combination with electric wiring information and functional parameters; an electric parameter change curve is extracted through a continuous time window, a value change consistency index is calculated, a response offset feature vector is further introduced for joint judgment, and accurate recognition of an abnormal electric meter and an abnormal time period is achieved; for the intelligent electric meter which is identified as abnormal, constructing an estimated value through data of other electric meters, and calculating residual errors between the estimated value and an original value and between the estimated value and an adjacent estimated value according to a main conductive parameter so as to realize dual residual error verification; judging an anomaly type according to the consistency index and the residual result, and outputting an anomaly recognition result; according to the method, the anomaly detection precision in a multi-table collaboration scene is improved.
Owner:SHENZHEN FRIENDCOM TECH DEV +1

Aircraft wire harness digitization and automation collaborative design simulation method based on Capal and CATIA

The invention belongs to an aircraft wire harness design technology, and relates to a digital and automatic collaborative design simulation method for aircraft wire harnesses based on Capal and CATIA. According to the method, an existing boundary data model is utilized, electrical parts are installed on CATIA software, and wiring harness arrangement environment conditions are created; creating a three-dimensional wire harness model in the CATIA software; establishing a Capal graphic symbol library and a wire harness part library; creating an aircraft electrical wiring diagram on the Capital software by using the graphic symbol library and the wiring harness part library file; in combination with a CATIA three-dimensional wiring harness model, interactive design is carried out with flight Capital software, and an aircraft two-dimensional topological graph is formed; the sectional area of the wire harness is automatically calculated through CATIA software, and an aircraft simulation three-dimensional wire harness is formed; and combining the aircraft simulation three-dimensional wiring harness with the aircraft topological graph and the aircraft wiring harness two-dimensional graph design to form an aircraft two-dimensional wiring harness chart diagram. According to the invention, database management informatization, three-dimensional wiring harness design digitalization, two-dimensional electrical system principle design and three-dimensional electrical wiring harness model interaction design automation are realized.
Owner:HARBIN

Household appliance wire harness electrical performance detection method and system

The invention relates to the technical field of electrical performance detection, in particular to a household appliance wire harness electrical performance detection method and system. The method comprises the following steps: acquiring initial current and voltage data of a wire harness by using a sensor to obtain original electrical parameter matrix data; performing resistance modeling according to the original electrical parameter matrix data to obtain a resistance dynamic model; performing resistance characteristic analysis according to the resistance dynamic model to obtain resistance characteristic analysis data; and according to the resistance characteristic analysis data, carrying out resistance compliance determination to obtain compliance matrix data so as to carry out household appliance wire harness electrical performance detection auxiliary operation. The electrical performance of the household appliance wire harness is comprehensively detected and accurately evaluated, high technical innovation and practical application value are shown, and the crossing from simple static detection to intelligent dynamic analysis is achieved.
Owner:PCE TECH(QINGDAO) CO LTD

Unstructured file identification method based on primitive identification

The invention discloses an unstructured file identification method based on primitive identification, and the method comprises the following steps: (1) preprocessing: cutting and zooming an electrical wiring drawing to a required size, and carrying out the gray processing; (2) primitive recognition: constructing a feature extraction network of an electrical primitive detection model by adopting a YOLO electrical primitive detection algorithm fused with an attention mechanism; (3) character recognition, which comprises the following steps: removing primitives, detecting an annotated text area, constructing a text candidate box, segmenting and adjusting an annotated text boundary, recognizing annotated text content, and filtering an electrical text recognition result; and (4) electrical element association relationship analysis, which comprises the following steps: frame element extraction, primitive group region division, template matching and electrical primitive-annotation text association. According to the method, the primitives and characters of the electrical wiring diagram can be obtained, the problem that different fonts and styles appear in marked characters can be solved, and semantic information can be understood.
Owner:HAINAN POWER GRID CO LTD

Stretchable array substrate having electrical wiring lines stacked on resin base member

A stretchable array substrate includes: a resin base member and an array layer. The resin base member includes bodies disposed apart from each other and hinges that couple the bodies. The array layer includes electrical wiring lines stacked on the hinges. The hinges each includes a linear portion and a bend that meanders and couples second ends of two of the linear portions. The electrical wiring lines include: a first electrical line stacked on the linear portion; and a second electrical line stacked on the bend. The first electrical line is provided with: a joint stacked on the first end of the linear portion; and a thin wiring portion closer to the second end of the linear portion than the joint and having a length in a width direction intersecting a longitudinal direction of the first electrical line smaller than a length in the width direction of the joint.
Owner:MAGNOLIA WHITE CORP

Electrical wiring device for delivering power to multiple mobile devices

An electrical wiring device for delivering power to multiple mobile devices including: a housing having a faceplate; a first power delivery port accessible through the faceplate; a second power delivery accessible through the faceplate; an AC / DC converter disposed in the housing and configured to receive an AC signal from a connection to a source of AC mains power and to output a DC signal; a first DC / DC converter disposed in the housing and configured to receive the DC signal and provide a first DC output signal having a first power to a first power delivery port; a second DC / DC converter disposed in the housing and configured to receive the DC signal and provide a second DC output signal having a second power to a second power delivery port; wherein the first DC output signal is different from the second DC output signal.
Owner:PASS & SEYMOUR INC

System and method for remotely testing the continuity of an electrical wiring

Various embodiments disclosed by the present invention include an exemplary system for remotely testing the continuity of electrical wiring, an electric vehicle charging system, and a charge coupler for an electric vehicle charging system. In an exemplary embodiment, the system for remotely testing the continuity of electrical wiring includes a signal generator configured to generate a signal having a predetermined frequency. A controlled impedance network is configured to attenuate the signal. The controlled impedance network can be electrically connected towards a first end of the electrical wiring, which is terminated at a terminal at the first end and can be electrically connected to the signal generator at a second end to carry the signal. A signal detector is configured to detect the signal.
Owner:RUIWEIAN INTELLECTUAL PROPERTY HLDG CO LTD

Method and device for tracking broadband oscillation wide-area propagation path of new energy field grid-connected system

The invention provides a new energy field grid-connected system broadband oscillation wide-area propagation path tracking method and device, and the method comprises the steps: firstly obtaining an electrical main wiring diagram of a transformer substation, numbering incoming and outgoing lines, and recording the rated voltage and capacity of the incoming and outgoing lines; and monitoring harmonic voltage and current of the high-voltage bus and the low-voltage bus of the transformer substation, carrying out fast Fourier analysis, and judging whether oscillation occurs or not. If oscillation occurs, the concerned oscillation spectrum range and harmonic wave type are determined, and the sampling frequency is determined. Then, a sampling instruction is issued, voltage and current data of all lines are collected, and per-unit processing is carried out; and performing Fourier series analysis on the data to obtain a harmonic spectrogram. And finally, determining an oscillation propagation path in combination with the main wiring diagram, the operation mode and the spectrogram so as to quickly position disturbance sources, quantify responsibilities of multiple disturbance sources and improve system stability.
Owner:ELECTRIC POWER RESEARCH INSTITUTE OF STATE GRID JIBEI ELECTRIC POWER CO LTD +2

Semiconductor device and method for manufacturing semiconductor device

The invention relates to a semiconductor device and a manufacturing method of the semiconductor device. Provided is a semiconductor device in which deterioration of a gate insulating layer is suppressed. A semiconductor device (100a) includes a semiconductor substrate (1), a gate insulating film (2a), a gate electrode (2b), a first electrical wiring (5a), and a semiconductive insulating layer (3). The gate insulating film (2a) is formed on the semiconductor substrate (1). The gate electrode (2b) is formed on the semiconductor substrate (1) via the gate insulating film (2a). The first electrical wiring (5a) is connected to the gate electrode (2b). The semi-conductive insulating layer (3) is connected to the gate electrode (2b) and / or the first electrical wiring (5a).
Owner:MITSUBISHI ELECTRIC CORP

Electrical wiring terminal

The invention relates to the technical field of wiring terminals, in particular to an electrical wiring terminal which comprises a guide rail strip, a side groove, a first vertical groove, a second vertical groove and a terminal shell and further comprises a side positioning plate, connecting grooves, a positioning seat, a positioning column, a positioning assembly, a reinforcing assembly, a bottom groove and a vertical rod. And the side positioning plate is slidably installed in the connecting groove in one side, the positioning seats are installed on the inner surface of the guide rail strip at equal intervals, inserting grooves are formed in the positioning seats, and falling grooves communicating with the inserting grooves are formed in the side walls of the positioning seats. The invention solves the problem of high later maintenance cost caused by the need of loosening all leads, pushing aside the adjacent wiring terminals and then replacing the ablated wiring terminals when a single ablated wiring terminal of a split wiring terminal strip is replaced, and has the advantages that the ablated wiring terminals are conveniently and independently replaced, a stable structure is formed between the adjacent wiring terminals, the replacement of the wiring terminals is not influenced, and the service life of the wiring terminal strip is prolonged. And the later maintenance cost is low.
Owner:苗翔宇

Power distribution cabinet cable wiring path generation method

The invention relates to the technical field of electrical wiring. The invention discloses a method for generating a cable wiring path of a power distribution cabinet, and the method comprises the steps: firstly obtaining the multi-dimensional environment parameters of a to-be-wired power distribution cabinet, wherein the structural parameters comprise the three-dimensional layout in the cabinet, the positions of components and wire duct guide rails, the electrical parameters comprise the connection relation of the components, the cable specification and the like, and the physical constraint parameters are the allowable bending radius and the minimum electrical gap; constructing a digital twinborn model according to the parameters, and performing risk analysis on the model to obtain a safety risk level; and finally, a double-path scheme is generated and output in combination with the model and the grade, the first path is the optimal path of the prediction model, the second path is the standby path of the historical case, and the priority of the first scheme is higher. According to the method, the security risk is quantified in advance through multi-dimensional parameter acquisition, digital twin modeling and risk assessment. The current situation that traditional manual wiring depends on experience is changed through intelligent generation of an optimal path, reuse of a standard scheme of a standby path and real-time monitoring and early warning.
Owner:JIAXING LIANGHUI TECHNOLOGY CO LTD

Window-mounted air conditioner

A window mounted air conditioning unit is disclosed. The A / C includes an indoor unit, an outdoor unit, and a bridge. The indoor unit and outdoor unit are operatively connected by a line set (electrical wiring, refrigerant piping, condensate drainage piping, communication wiring, etc.) that is flexible and extensible and that resides in the bridge. The bridge is extendable from a first position to a second position to accommodate window openings of varying thicknesses. The A / C appliance is mounted to a separate mounting bracket that is itself extendable for varying width openings. The outdoor unit is pivotally connected to the bridge so that the outdoor unit can assume a first orientation during installation through a window opening, and a second orientation after passing through the window opening.
Owner:MIDEA GROUP CO LTD

Window treatment mounting system

A motorized window treatment may include a roller tube, a motor drive unit, a mounting bracket, and a connector. The roller tube may have a flexible material attached thereto. The roller tube may have first and second ends. The roller tube may be configured to rotate about a longitudinal axis that defines a longitudinal direction. The motor drive unit may be configured to rotate the roller tube to adjust the flexible material between a raised position and a lowered position. The motor drive unit may include an end portion that is accessible via the first end of the roller tube. The connector may be configured to be disposed in the channel. The connector may be configured to electrically connect the motor drive unit to electrical wiring for powering the motor drive unit when the end portion of the motor drive unit is received within the channel.
Owner:LUTRON TECHNOLOGY COMPANY LLC

Optical storage and charging system and control method and control device thereof

The invention provides an optical storage and charging system and a control method and a control device thereof. The method comprises the following steps: acquiring SOC and PCS output power of an energy storage battery of each energy storage cabinet in the system; the maximum SOC deviation is obtained according to the maximum SOC value and the minimum SOC value, and whether the maximum SOC deviation exceeds an electric quantity adjusting threshold value or not is judged; if yes, the PCS is controlled to execute the SOC equalization strategy; if not, the maximum power deviation is obtained according to the maximum power value and the minimum power value; judging whether the maximum power deviation exceeds a power adjusting threshold value or not; and if yes, controlling the PCS to execute a power balancing strategy. According to the method, SOC adjustment serves as an outer ring, power adjustment serves as an inner ring, SOC equalization or power equalization is carried out on the energy storage battery of the optical storage and charging system, the problem that SOC deviation is larger and larger possibly caused by long-term operation of a pure off-grid system is solved, extra electrical wiring and construction are not needed for equalization adjustment, and the cost is reduced. And the method can be easily realized and applied in the existing optical storage and charging system.
Owner:WANBANG DIGITAL ENERGY CO LTD

Electrical Wiring Device for Providing Variable Power

A power control device for providing variable power to a load. The power control device including a single FET employed in conjunction with a bridge rectifier to reverse bias the body diode of the FET except for when a sufficient voltage is provided to the gate of the FET. A temperature compensation circuit reduces the on-time of the bridge rectifier when a thermally sensitive component indicates that the temperature of the bridge rectifier has exceeded a threshold.
Owner:PASS & SEYMOUR INC

Modular housing construction connector systems

A modular construction housing system includes fiber-reinforced wall panels, such as fiberglass wall panels, attached to a roof component via one or more pins extending downwardly from the roof component into an internal cavity of the wall panels. The wall panels and the flooring of the modular construction housing system are integrally formed via molding to reduce the number of separate components and the amount of construction and connection required on-site. The wall panels include a plurality of internal conduits extending through the internal cavity of the wall panels configured to align with internal conduits extending downward from the roof component to allow for electrical wiring and other function to seamlessly extend from the wall to the roof.
Owner:RESORTMENTS LLC

Adjustable bubble level tool

A level tool for use in bending electrical wiring conduits comprises a frame, a carrier coupled to the frame and rotatable relative to the frame through an angular range, and a bubble level carried by and rotatable with the carrier through the angular range. The frame includes a first face plate, a second face plate, and a spacer between the first and second face plates, wherein the spacer includes an open mouth arranged to allow a user to view the bubble level from above and from a side of the level tool. The first and / or second face plates may have a bubble window to enable viewing of the bubble level from the front and / or rear of the level tool and an indexing slot cooperating with an indexing element on the carrier for selectively setting a rotational angle of the bubble level at one of several predetermined angular settings.
Owner:BROWN PATRICK JAMES

Building electrical pay-off platform capable of automatically cutting off cable

The utility model relates to the technical field of pay-off devices, in particular to a building electrical pay-off platform capable of automatically cutting off a cable, which comprises a movable seat, a torque motor, a pinion and a gearwheel, a torque motor is installed on the inner wall of the moving seat in a penetrating mode, the output end of the torque motor is connected with a small gear, one side of the small gear is connected with a large gear in an engaged mode, a supporting mechanism is connected to the upper portion of the small gear, the upper surface, away from the large gear, of the moving seat is connected with a stand column, and the upper portion of the stand column is connected with a first limiting assembly. According to the building electrical pay-off platform capable of automatically cutting off the cable, a gear motor is started to drive a threaded rod to rotate so as to drive an upper cutter plate and a lower cutter plate to rotate in opposite directions to cut off the cable, and then the building electrical pay-off platform automatically cuts off the cable; a wire coil is placed on the surface of the tray, the electric push rod is started to drive the dull polish to open the wire coil from the inside, and then the building electrical pay-off platform adapts to wire coils of various specifications.
Owner:JIAMUSI LAND & SPACE PLANNING RES INST

Relay box bracket assembly

A bracket assembly for a relay box for a vehicle includes a first bracket member and a second bracket member. The first bracket member is configured to be mounted to a frame of the vehicle. The first bracket member is configured to receive the relay box in an installed position. The second bracket member is connected to the first bracket member. A gap is defined between the first bracket member and the second bracket member. The gap is configured to receive an electrical wiring harness connected to the relay box to support the relay box prior to the relay box being mounted in the installed position.
Owner:NISSAN MOTOR CO LTD

Detecting mechanical stress acting upon a system

Process for controlling a battery including energy storage cells, a controlling device, a sensor for detecting mechanical parameter or electrical parameter, a safety device, an interface for connecting the battery to an external device and electrical wiring. The process includes detecting parameter and eliminating the provision of electric energy from the energy storage cells, if a detected parameter reaches a predetermined threshold value. Battery including a energy storage cell, a controlling device, a sensor for detecting mechanical parameter or electrical parameter, an interface for connecting the battery to an external device, electrical wiring for transmitting electric energy between the at least one battery cell and the external device. The battery includes a safety device for eliminating the provision of electric energy from the energy storage cells, if a parameter detected by the sensor reaches a predetermined threshold value. System including a battery and an external device connectable to the battery.
Owner:HILTI AG

Fabricated shear wall component positioning and mounting system and method

The invention discloses a fabricated shear wall component positioning and mounting system and method. The system comprises a steel bar frame arranged at the top of a lower-layer shear wall component and triangular frames arranged on the side face of a to-be-mounted layer shear wall component in parallel at intervals. A connecting handrail is arranged on the tripod; the positions of electrical wiring preformed holes and embedded bolts are positioned by arranging a steel bar frame at the positions of hanging nails on a lower-layer shear wall component, so that the accuracy of embedding of wire pipes and bolts is ensured; the in-place installation track of the to-be-installed layer shear wall component is controlled through the positioning grooves in the triangular frames, so that connection between the to-be-installed layer shear wall component and top joint bars of the lower layer shear wall component is accurate; the connecting handrails are used for assisting in in-place mounting of the to-be-mounted layer shear wall component and the lower layer shear wall component, shaking in the connecting and positioning process of the shear wall and the joint bars of the base is avoided, and the assembling efficiency of the shear wall is improved.
Owner:CHINA FIRST METALLURGICAL GROUP

Electrical outlet system

An outlet system is disclosed. The system may include a receptacle and an insert module. The receptacle may include a first junction box, a receptacle outlet and a hollow frame. The first junction box may receive electrical wiring, and may include first slots at a first junction box back wall. The receptacle outlet may be inserted in the first junction box and connected to the electrical wiring via the first slots. The hollow frame may include frame front edges and frame back edges, and the back frame edges may be configured to attach to the first junction box front edges. The insert module may include a second junction box and an insert outlet. The second junction box may include second slots and may be inserted in the hollow frame. The insert outlet may be inserted in the second junction box, and attached to the receptacle outlet via the second slots.
Owner:EASY OUTLET LLC

Asphalt mixture for pavement and block for pavement

Provided is an asphalt mixture for pavement, the asphalt mixture being obtained by effectively reutilizing discarded electrical wiring and enabling pavement having excellent dynamic stability. The asphalt mixture for pavement comprises aggregate and an asphalt binder. The aggregate contains crosslinked polyethylene recovered from discarded electrical wiring. The asphalt binder contains straight asphalt and a polyolefinic resin.
Owner:ENEOS CORP

Electrified railway traction power supply system

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.
Owner:杨科伟

Centralized photovoltaic one-key mapping and automatic identification and adjustment software

The invention discloses centralized photovoltaic one-key mapping and automatic identification and adjustment software, and belongs to the technical field of photovoltaics. Comprising a data acquisition module, a one-key mapping module, an automatic identification module, an adjustment optimization module and a user interaction module. The data acquisition module is in communication connection with the photovoltaic monitoring equipment and acquires data of a photovoltaic power station in real time; the one-key mapping module automatically generates a layout diagram of a photovoltaic array according to the data of the photovoltaic power station acquired by the data acquisition module, and automatically draws an electrical wiring diagram of the photovoltaic power station according to an electrical design specification and the data of the photovoltaic power station acquired by the data acquisition module; the automatic identification module analyzes the data of the photovoltaic power station acquired by the data acquisition module in real time, and automatically identifies a fault component in the photovoltaic power station through a preset algorithm and a threshold value; and the adjustment and optimization module provides maintenance suggestions for the fault component according to the result of the automatic identification module, and optimizes and adjusts the operation parameters of the photovoltaic power station at the same time.
Owner:HUNAN CHENGZHITAI ENERGY CO LTD

Electrical wiring insulation protection device

The invention relates to the field of cables, and discloses an electrical wiring insulation protection device which is characterized in that a containing cavity for containing a cable is formed in the middle of a protection sleeve main body, end sleeves are arranged at the two ends of the protection sleeve main body, and a gas protection device is arranged in the radial direction of the protection sleeve main body; the inner side wall of the end sleeve drives the clamping block to clamp a cable through the screw rod, and meanwhile, the clamping block drives the piston structure to move so as to discharge gas in the piston cavity into the air bag, and the air bag expands to extrude the sealing ring so as to seal the accommodating cavity; the gas protection device extracts air in the containing cavity and inputs protection gas into the containing cavity. The position of the cable is stabilized through the sealing ring and the clamping block, sealing of the containing cavity is achieved, external substances are prevented from entering the containing cavity, it can be guaranteed that the containing cavity is filled with protective gas in cooperation with the gas protection device, and therefore insulation protection of the cable connecting position is achieved, and safety and stability of the cable connecting position are guaranteed.
Owner:SHENHUA GUONENG ENERGY GRP +1

Systems and methods including identification chips in adapter cables

Various embodiments provide a testing system for evaluating electrical wiring systems. The system can include an analyzer unit, a first adapter cable, and a second adapter cable. The analyzer unit can include an identification chip reader. The identification chip reader can be configured to read and determine the identity of an identification chip that is part of an adapter cable that is connected to the analyzer unit. Various other embodiments are also provided.
Owner:DIT-MCO INTERNATIONAL LLC

Frequency dependent ground fault interrupt

An electrical wiring device including: a plurality of line terminals comprising a line-side phase terminal and a line-side neutral terminal; a plurality of load terminals comprising a load-side phase terminal and a load-side neutral terminal; a line conductor electrically coupling the line-side phase terminal to the load-side phase terminal; a neutral conductor electrically coupling the line-side neutral terminal to the load-side neutral terminal; and a controller configured to trigger a trip mechanism to electrically decouple the at least one of the plurality of line terminals from at least one of the plurality of load terminals based, at least in part, on comparing a magnitude of the current differential to a threshold, wherein the threshold is a function of the frequency of the current differential.
Owner:PASS & SEYMOUR INC

Snap-in fasteners for elongated members

A snap-in fastener for organizing and securing electrical wiring and other elongated members. The snap-in faster includes a clip head attached to a base via a neck. These elements allow the snap-in fastener to be inserted into a mounting rail and manually turned, thereby locking the snap-in fasteners into place. Once in place, the cable, wires, or other elongated members are secured within a cable channel of the clip head
Owner:BRULL TED G +2

Devices and Methods For Preparing Electrical Wiring

A device for removing the sheathing from an electrical cable includes a body having a first end, a second end opposite the first end, a longitudinal portion therebetween, and a passage extending through the longitudinal portion from the first end to the second end. The second end defines a first terminal portion of a channel extending along at least a portion of the longitudinal portion of the body. A first cutting edge is disposed within the passage and configured to cut a sheathing of an electrical cable extending through the passage upon the device being moved in a first direction. A second cutting edge is disposed at an angle to the first cutting edge at a second terminal portion of the channel opposite the first terminal portion, and configured to cut the sheathing from the electrical cable upon the device being moved in a second direction opposite the first direction.
Owner:KLEIN TOOLS INC