3386 results about "Electrical element" patented technology

A semiconductor device has a substrate and an electrical component disposed over the substrate. An encapsulant is deposited over the electrical component. A shielding layer is formed over the encapsulant. The shielding layer includes a plurality of graphene-coated metal balls in a matrix. The shielding layer is sintered using intensive pulsed light (IPL) radiation.

The embodiment of the utility model provides clothes processing equipment, which comprises a box body, a clothes processing drum and a wireless energy supply assembly, the box body comprises a rear plate, the clothes processing drum is rotatably arranged in the box body, the clothes processing drum comprises a drum body and a rear cover, and the rear cover is arranged at the rear end of the drum body; the wireless energy supply assembly comprises a transmitting module and a receiving module, and the receiving module is used for receiving an electromagnetic signal transmitted by the transmitting module and generating an induced current; the transmitting module is arranged on the rear plate, and at least one part of the receiving module is arranged on the rear cover. According to the clothes processing equipment provided by the embodiment of the invention, the transmitting module and the receiving module can transmit electric energy without contact, and electric energy transmission between the relatively rotating clothes processing drum and the relatively static rear plate is realized. The receiving module supplies power to the electrical elements, so that the electricity demand of the electrical elements is met, and the clothes state can be sensed in a close range.

The invention relates to the technical field of electric control cabinets, and discloses an electric control cabinet and a using method and application thereof in crane construction, the electric control cabinet comprises a shell assembly, the shell assembly comprises a cabinet body and a mounting assembly arranged in the cabinet body, one side of the mounting assembly is provided with a heat dissipation adjusting assembly, and the heat dissipation adjusting assembly is arranged on the other side of the cabinet body. The installation assembly comprises a fixing frame, the fixing frame is connected with the inner wall of the cabinet body, damping springs are arranged at the four corners of the surface of the fixing frame, and an installation frame is arranged at the end, away from the damping springs, of the fixing frame. Through cooperation of the mounting assembly and the heat dissipation adjusting assembly, the interval between every two adjacent heat dissipation fins is adjusted in real time according to different temperatures of different positions, the ventilation quantity between an adjusting plate and a ventilation groove is adjusted, and therefore rapid heat dissipation is achieved, the vibration amplitude of the mounting frame is reduced when external wind power is too large, and normal operation of electrical elements is ensured.

The invention provides a multifunctional electric energy metering box, and relates to the technical field of electric energy metering boxes, the multifunctional electric energy metering box comprises an electric energy metering box, communication grooves are formed in two side walls of the electric energy metering box, first inner grooves are formed in the two communication grooves, and first heat dissipation openings and second heat dissipation openings are formed in two side walls of the electric energy metering box; the two second heat dissipation openings are located below the two first heat dissipation openings, an electric energy metering box door is hinged to the electric energy metering box, an observation window and a control panel are arranged on the electric energy metering box door, a containing groove is formed in the side wall of the electric energy metering box, a protective cover is fixedly installed on the side wall of the electric energy metering box, and the protective cover is located over the containing groove. The top of the inner wall of the electric energy metering box is fixedly provided with a fixed box body. The self-adaptive mechanism of the equipment reduces faults caused by overheating or moisture, reduces the maintenance cost, protects electrical elements, ensures the stable operation of the whole system, and improves the reliability and stability of the equipment.

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.

The invention discloses an electrical element magnetic core loss prediction method based on a soft gating hybrid expert model, and relates to an electrical element magnetic core loss prediction method, which adaptively adjusts the expert weight, so that the model is more flexible and has strong adaptability when facing different types of data. Diversified expert model combinations can complement respective advantages, so that the overall robustness and generalization ability are improved, and the risk of overfitting is reduced; in addition, the modular design enables the model to be easy to expand and maintain, and the interpretability of the model can be enhanced by analyzing the output weight of the gating network; furthermore, automatic parameter adjustment and end-to-end training are carried out through an intelligent optimization algorithm, so that the performance of the model is further improved; and finally, the soft gating hybrid expert model can effectively process non-linear and complex relationships, the powerful non-linear modeling capability of the MLP is utilized to capture a complex mode in the data, and the calculation efficiency is improved through parallel calculation and dynamic resource allocation. The advantages enable the soft gating hybrid expert model to show higher accuracy and reliability when processing complex tasks such as magnetic core loss prediction and the like.

A smart busy board is provided utilizing a technology driven timer which can be set to predetermined time intervals for each of a plurality of interactive components disposed on the smart busy board. The timer mechanism and some of the interactive components are connected to electrical elements hidden within the interior housing of the smart busy board. Each of the interactive components engage the infant or toddler with some type of sensory output, such as movement, sound, light, and touch for a predetermined time interval. The busy board is designed to stimulate frontal lobe and cognitive development and improve motor skills.

The embodiment of the utility model provides clothes processing equipment, which comprises a box body, a clothes processing drum, a main control board, a wireless energy supply assembly and a cable, and is characterized in that the box body comprises a rear plate; the wireless energy supply assembly comprises a transmitting module and a receiving module, and the receiving module is used for receiving an electromagnetic signal transmitted by the transmitting module and generating an induced current; the transmitting module comprises a transmitting coil, the transmitting coil is arranged on the side, facing the clothes processing drum, of the rear plate, and the transmitting coil and the main control board establish a conductive path through a cable; the rear plate is provided with a first wire passing opening, one end of the cable is connected with the transmitting coil, and a part of the cable penetrates out of the first wire passing opening to the side, away from the clothes processing drum, of the rear plate. According to the clothes processing equipment, the transmitting module and the receiving module can transmit electric energy without contact, wire connection is not needed, the reliability is high, the electricity utilization requirement of electrical elements can be met, the clothes state can be sensed in a close range, and specific functions are achieved.

The invention discloses a thermal coupling IGBT static real-time model modeling method and a related device, and the method comprises the steps: carrying out the modeling of an electrical characteristic part of an IGBT according to an equipment data table of the IGBT, and the electrical characteristic part comprises an electrical element and power loss; according to the equipment data table and in combination with a power loss thermal resistance circuit, modeling is carried out on the electric heating characteristic part of the IGBT, and the power loss thermal resistance circuit comprises an in-module series thermal resistor, a thermal conductive adhesive thermal resistor, a radiator thermal resistor and an environment temperature voltage bias; an interaction portion of the electrical characteristic portion and the electrothermal characteristic portion is modeled. According to the method, thermal coupling refined modeling of the IGBT is realized, and the calculation efficiency can achieve a real-time effect, so that the requirements of behavior-level modeling and real-time simulation can be met in the absence of semiconductor physical parameters, and the hardware-in-the-loop test requirements of normal working on-state and closed-state power consumption requirements are met.

An inspection method according to one aspect of the present disclosure is for inspecting a wiring board P by applying an inspection voltage or an inspection current to an inspection target X. The inspection target X is a part of the wiring board P that comprises an insulator and a conductor and on which an electric component is mounted. The inspection target is subject to a plurality of inspections, and the inspections include a first inspection for inspecting the conduction state of the conductor or the insulator, and a second inspection for inspecting time-series data of the conductive state of the conductor or the insulator. The result of the first inspection and the result of the second inspection are recorded in a recording device. A third inspection is further included, which is carried out after the first inspection and the second inspection, in a state where processing is performed and an electric component is mounted in a subsequent process. The result of the third inspection is recorded in association with the result of the first inspection and the result of the second inspection.

The invention belongs to the technical field of manufacturing of electrical element assemblies, and particularly relates to a connection stock bin device for SMT feeding and a feeding method thereof.The device comprises a connection bin body, a feeding mechanism, a feeding mechanism, a feeding mechanism, a feeding mechanism, a feeding mechanism and a discharging mechanism, and the top of the connection bin body is provided with an opening and a conveying rail; the side, facing the conveying track, of the belt drawing mechanism is provided with a belt replacing assembly. The belt replacing assembly comprises a belt drawing wheel and a belt conveying wheel which are sequentially arranged in the conveying direction of the material belt. And a plurality of air extraction grooves are formed in the circumferential direction of the belt extraction wheel. According to the connecting bin, the belt conveying wheel is arranged for conveying the material belt, the belt drawing wheel is arranged for drawing out the material belt as soon as possible while conveying is kept, and redundant material belt is put into the connecting bin body for subsequent conveying of the belt conveying wheel. Due to the fact that the air exhaust groove is formed in the belt drawing wheel, after the material belt is drawn, the fold at the tail end of the material belt is adsorbed by the air exhaust groove, the tail end of the material belt is adsorbed by the air exhaust groove, and the air exhaust groove rotates reversely, so that the fold of the material belt rotates reversely around the belt drawing wheel, and the fold is rolled to be flat.

The invention belongs to the technical field of power distribution cabinet operation supervision, and particularly relates to a high-low voltage power distribution cabinet operation monitoring system based on data analysis, which comprises an electrical element state monitoring module, a moving part lubrication judgment module, a power distribution cabinet ash removal analysis module, a power distribution cabinet inspection early warning module and a remote management and control end, according to the invention, analysis is carried out through the electrical element state monitoring module and the moving part lubrication judgment module so as to determine elements in a non-optimal state and lubrication emergency parts in the high-low voltage power distribution cabinet, and the power distribution cabinet ash removal analysis module analyzes the pollution condition in the high-low voltage power distribution cabinet. When the power distribution cabinet inspection early warning module receives the state non-optimal component, lubrication emergency component or ash removal early warning signal, the remote management and control end gives out early warning, so that comprehensive monitoring and accurate analysis early warning of the high-low voltage power distribution cabinet are realized, and management personnel can inspect the high-low voltage power distribution cabinet in time. And the service life and the operation safety of the high-low voltage power distribution cabinet are obviously improved.

The invention relates to the technical field of electric energy metering boxes, and discloses an electric energy metering box with excellent heat dissipation, which comprises a box body, one side of the box body is provided with an accommodating groove capable of storing electrical elements, the box body is rotatably connected with a box door, and the top of the box body is provided with a storage box. The storage box can be filled with an organic matter phase change material prepared according to a specific formula, the solid-liquid conversion temperature range of the organic matter phase change material is close to the expected highest temperature under the normal operation condition of the metering box, and a micro-channel liquid cooling plate is arranged on the bottom wall of the containing groove; the micro-channel liquid cooling plate can be tightly attached to the electrical element. The metering box has the effect of improving the heat dissipation performance of the metering box.

A semiconductor device has a substrate. An electrical component is disposed over the substrate. An encapsulant is deposited over the electrical component. A conductive layer is formed over the substrate opposite the electrical component after depositing the encapsulant. The conductive layer is deposited as a plurality of graphene-coated metal balls in a matrix. The conductive layer is sintered by intensive pulsed light (IPL) irradiation.

The invention relates to the technical field of transformer heat dissipation, in particular to an oil cooling radiator for a transformer, which comprises a shell, an oil conservator, a telescopic driving piece, cooling fins and the like, electrical elements are arranged in the shell; an oil conservator used for stabilizing the oil pressure in the shell is arranged on the shell; the oil conservator is communicated with the interior of the shell; a plurality of telescopic driving pieces are arranged on the shell; the telescopic ends of every two telescopic driving pieces which are opposite in the front-back direction are jointly and fixedly connected with a plurality of cooling fins used for conducting heat dissipation on insulating oil. The cooling fins are made of heat conduction materials. And each radiating fin is of a hollow structure. The oil leakage part of the welding seam of the cooling fin is blocked through the rubber scraping strip and the blocking plate, insulating oil is prevented from continuously leaking, the insulation performance of electrical components in the transformer is prevented from being reduced, faults such as short circuit and discharge caused by insufficient insulation strength are reduced, and meanwhile it is avoided that follow-up maintenance work is affected by insulating oil leakage.

The invention relates to an electrical element having at least one functional region and a contact surface, wherein a connecting element is arranged on the contact surface, wherein the connecting element comprises a stranded wire coated with sintered material, wherein the stranded wire is connected, in particular sintered, to the contact surface by a sintered material. Furthermore, the invention relates to a method for producing the electrical element according to the invention.

The invention relates to the technical field of distribution boxes, in particular to an anti-explosion and anti-corrosion distribution box which comprises a box body, a box cover and a mounting assembly. The explosion-proof box further comprises an inner plate, a sealing frame, an explosion-proof plate, an elastic explosion-proof film and an operation assembly, the inner plate is installed in the cavity of the box body, the operation assembly is installed on the outer side wall of the inner plate, the output end of the operation assembly is in transmission connection with a knob of the electrical element, and the sealing frame is installed on the inner wall of the cavity of the box body in a sealed mode and located between the inner plate and the box cover. The edge of the explosion-proof plate is connected with the sealing frame in a sealing mode, a notch for avoiding the operation assembly is formed in the explosion-proof plate, the elastic explosion-proof film is installed on the notch of the explosion-proof plate in a sealing mode, the inner side wall of the elastic explosion-proof film makes contact with the input end of the operation assembly, and the input end of the operation assembly is of a pressing type; by adopting the elastic explosion-proof film and the operation assembly, the distribution box keeps an explosion-proof effect when an electrical element is operated, and the safety is improved.

The invention discloses a transformer substation equipment identification method and system for image identification unmanned aerial vehicle route planning, and the method comprises the following operation steps: obtaining a layout plan of a transformer substation, and constructing a three-dimensional plan of transformer substation equipment for the layout plan of the transformer substation; generating an unmanned aerial vehicle flight route according to the three-dimensional plane graph; generating an unmanned aerial vehicle flight plan for the unmanned aerial vehicle flight route; when an unmanned aerial vehicle control system of the unmanned aerial vehicle flies according to the unmanned aerial vehicle flight plan, a transformer substation equipment image is collected according to the position of the transformer substation equipment in the three-dimensional planar graph; identifying the substation equipment from the substation equipment image and identifying a to-be-identified target object of the substation equipment at the target orientation; the to-be-identified target object is an electrical element on the substation equipment. According to the invention, the equipment image of the substation equipment is acquired through the unmanned aerial vehicle flight plan of the unmanned aerial vehicle, and the type of the substation equipment and the fault type when the fault occurs are further identified according to the equipment image.

The invention provides a circuit breaker, and relates to the technical field of electrical equipment. The circuit breaker comprises a moving contact, a static contact, a first connecting conductor and a second connecting conductor, the first connecting conductor comprises a first connecting section, a flexible connecting section and a second connecting section which are connected in sequence, the first connecting section is used for being fixedly arranged on an installation shell and used for being connected with an external electrical element, and the second connecting section is connected with the moving contact. The moving contact moves synchronously along with the moving contact; the static contact is connected with the second connecting conductor; under the condition that the moving contact and the static contact are switched on, the first connecting section, the flexible connecting section, the second connecting section, the moving contact, the static contact and the second connecting conductor form a conductive loop, and the current direction of the first connecting section is opposite to that of the second connecting section and is the same as that of the second connecting conductor. The purpose of enhancing the contact pressure of the contact by using the electromagnetic force generated by the current in the closing state is achieved, so that the short-time tolerance performance and the operation reliability of the circuit breaker are improved.

The utility model discloses a cabinet electrical element heat radiation structure and a water and electricity separated electrical cabinet, a cabinet body of the cabinet is provided with a first area and a second area which are separated by a first separator plate, and the first area is in a closed state; the first area is provided with a heat conduction piece, and the electrical element needing heat dissipation is attached to the heat conduction piece. The second area is provided with a radiator for radiating heat through circular flow of a cooling medium; the heat conduction piece extends towards the second area and penetrates through the first partition plate, and the part, extending to the second area, of the heat conduction piece extends into the cooling medium of the radiator. The heat dissipation structure can solve the problem that normal use of electrical elements in the cabinet is affected by liquid leakage when a liquid cooling radiator is adopted.

The invention belongs to the technical field of cable installation, and particularly relates to an assembly type wire and cable installation device for a box-type substation, which comprises an electrical element body, an installation frame and a clamping structure, the installation frame is fixedly installed in the box-type substation, and the electrical element body is fixedly installed on the surface of the installation frame. The mounting frame is used for bearing a positioning mechanism, an electrical element body and a sliding rail, the sliding rail is arranged on the surface of the mounting frame, a fixing structure is arranged on the surface of the sliding rail, the positioning mechanism comprises a support, the support is in sliding connection with the surface of the sliding rail through the fixing structure, and the support is mounted on the surface of the sliding rail through the positioning mechanism. According to the utility model, the wire is fixed through the main roller and the auxiliary roller, so that the loosening of the wire caused by vibration is avoided, the possible virtual connection, heating and even fire are avoided, and meanwhile, a worker can be assisted in installation through positioning, so that the working intensity of the worker is greatly reduced, and the installation efficiency is improved.

The invention relates to the technical field of power equipment, in particular to a skid-mounted electric control integrated transformer substation and a wiring device and wiring method thereof, and the wiring device comprises a transfer box, plugs and / or sockets which are arranged in at least two skid blocks of the transformer substation respectively and are detachably mounted on the mounting walls of the transfer box; one end of the cable connected with the transfer box is connected with a terminal of the electrical element in the skid, and the other end of the cable is inserted into the plug and / or the socket; and the plug is plugged on the socket of the same transfer box or plugged on the socket of another transfer box and is used for connecting cables with different skid distances. According to the invention, safe wiring at different distances between the skid blocks can be realized through the transfer box, and the convenience of wiring between the skid blocks is improved.

The invention discloses an alpine region charging pile micro-electric heating assembly system and a working method, and the system comprises an alpine region charging pile electrical box which is internally provided with a plurality of fixed micro-electric heating units and temperature sensors in a discrete manner. The plurality of fixed micro-electric heating units are distributed near a plurality of electrical elements needing special anti-freezing protection in an electrical box of the charging pile in the alpine region; and the risk problems of cracking of various elements of the charging pile, inflexible action part of the relay, performance reduction and the like in an extremely low temperature environment are effectively relieved.

The invention relates to the technical field of inverters, and particularly discloses a photovoltaic inversion and energy storage integrated system comprising a sealing plate which is rotatably installed on the inner wall of an integrated box. The driving mechanism is used for controlling the sealing plate to turn over; a plurality of air chambers are formed in the side wall of the integrated box, and a plurality of air outlet holes are formed between the integrated box and the air chambers; and the blowing mechanism is mounted in the side wall of the integrated box. When fire occurs in the integrated box, the driving mechanism drives the sealing plate to turn upwards to seal the heat dissipation opening, meanwhile, the sealing plate drives the air blowing mechanism to blow gaseous carbon dioxide in the air chamber into the integrated box, and fire extinguishing treatment is conducted through the closed space and the carbon dioxide. Therefore, electrical elements on the inversion equipment and the energy storage equipment are effectively prevented from encountering low temperature after encountering high temperature, the temperature is slowly reduced from the beginning high temperature, the internal temperature does not change quickly, and the electrical elements are effectively prevented from being damaged due to quick change of the temperature.

The invention discloses a novel power system energy storage optimization and load loss evaluation method in extreme weather, and relates to the technical field of power systems and energy storage optimization. In order to solve the technical defect of lack of a comprehensive extreme weather scene construction method in the existing power system and energy storage optimization technology in the prior art, the technical scheme provided by the invention comprises the following steps: establishing an extreme weather scene; establishing a power distribution network digital model, and simulating a power distribution network operation scene under an extreme meteorological condition; constructing a fault rate model of the electrical element, and generating a comprehensive time-varying fault probability model; obtaining operation parameters of the power distribution network, and analyzing response characteristics of the power distribution network under different operation conditions; calculating a load loss probability and a power shortage expected value, and comprehensively evaluating the load loss risk of the power grid; and the configuration and scheduling strategy of the energy storage equipment is optimized. The method can be applied to planning, operation scheduling and emergency management work of a power system under extreme weather conditions.

The invention discloses an integrated encapsulation structure of an inductance electrical element of a transformer, which comprises an integrated encapsulation heat dissipation shell, and the integrated encapsulation heat dissipation shell is at least provided with a first lower groove, a second lower groove and a third lower groove in sequence along the length direction; the upper parts of the first lower groove, the second lower groove and the third lower groove are communicated with one another, so that the first lower groove, the second lower groove and the third lower groove jointly form an encapsulation pool; all the elements are relatively independent, normal work of other elements is prevented from being affected by overheating of a certain element, meanwhile, the upper sections of the first lower groove, the second lower groove and the third lower groove are communicated with one another, the glue filling process can be completed at a time, and the problem of complex procedures caused by respective glue filling is solved.

Embodiments of the present disclosure may enable an electrical component within an electrical distribution equipment cabinet to be audibly monitored via an electrical fault detection device mounted on the housing of the cabinet. The electrical fault detection device may comprise a senor to detect a signal emitted from an electrical fault within the cabinet, a transducer to convert the detected signal into an electrical audio signal, and an output socket adapted for an external device that may generate an audible sound based on the detected signal. The detected sensor may be an ultrasound sensor and the detected signal may be an ultrasound emitted from the electrical fault.

A thermocompression apparatus for connecting electrical components to a substrate, with a lower tool with a bearing surface for placing the substrate with at least one electrical component arranged thereon and an upper tool with a pressing element facing the bearing surface of the lower tool. The lower tool and / or the upper tool perform an up / down movement by a first drive and a second drive. The first drive is set up to execute a first movement in a first speed range and a first stroke range. The second drive is arranged to perform a second movement in a second speed range and a second stroke range. A thermode assembly is arranged to feed heating energy into the component and / or the substrate in order to thermally cure an adhesive introduced between or located on the component and the substrate.

A first electrical connection box includes a housing, a holder (40) that is provided inside the housing, and holds an electrical component (51) to which a first wire (21) is to be electrically connected; and a terminal block (60) attached to the holder (40). The terminal block (60) includes a terminal support base (61) attached to the holder (40), and a busbar (62) supported on the terminal support base (61). The busbar (62) includes a planar first connection surface (84), and a planar second connection surface (86) to which a second wire (22) is to be electrically connected. Also, the first electrical connection box further includes a relay busbar (90) that is provided inside the housing, and includes a third connection surface (97) that is electrically connected to the first connection surface (84), and a fourth connection surface (99) that is electrically connected to the electrical component (51).

The invention provides a transformer substation robot inspection system and a control method, and relates to the technical field of transformer substation inspection, and the transformer substation robot inspection system comprises a robot body, a control device and a thermal imaging device. The control device is in communication connection with the thermal imaging device and the robot body; the control device is used for acquiring an inspection route and an inspection plan of the transformer substation; the robot body is controlled to inspect the target equipment along the inspection route according to the inspection time, and when the robot body reaches the position of the target equipment, a thermal infrared image of the target equipment is collected through a thermal imaging device; inputting the thermal infrared image into the trained electrical element detection model, and outputting position information corresponding to each electrical element in the thermal infrared image; determining an abnormal electrical element according to the position information corresponding to the electrical element; and generating an abnormal inspection report of the target equipment according to all abnormal electrical elements in the target equipment and the corresponding current temperature data. The inspection efficiency of the transformer substation can be effectively improved.