2334 results about "Electrical element" patented technology

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 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 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.

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 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 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 automatic multi-channel solid-state relay testing device, and belongs to the technical field of electrical element detection and intelligent manufacturing testing. The device comprises an insulation and voltage resistance test module, a direct current function test module, an alternating current function test module, an automatic load test module and an MES execution management module. The device has the advantages of complete testing functions, high precision, high automation degree, wide adaptation range and the like, and is suitable for delivery inspection and life verification of various solid-state relays.

The invention relates to the field of intelligent distribution boxes, and discloses a modularized intelligent distribution box based on liquid cooling circulation, which comprises a box body and electrical elements arranged in the box body, and a liquid cooling piece is arranged in the box body; the liquid cooling piece is communicated with a circulating liquid supply mechanism buried underground; the box body is provided with a scraping mechanism for scraping liquid from the liquid-cooled part, and the liquid scraped by the scraping mechanism is discharged out of the box body; the scraping mechanism comprises a magnetic ring, and the magnetic ring magnetically acts on liquid in the liquid cooling part; a rotational flow piece which moves along with the movement of the magnetic ring is arranged in the liquid cooling piece, and the rotational flow piece moves along with the movement to scrape the inner wall of the liquid cooling piece. Condensate water on the surface of the heat exchange pipe is removed through the scraping mechanism, and the humidity in the box is controlled through inclined design of the shunting box and the collecting box, guide of the protection plate and the discharge port, so that heat exchange efficiency reduction and electric appliance insulation risks are avoided; the external scraping shell and the internal rotational flow piece are linked through the magnetic ring, the inside and outside of the pipe are synchronously cleaned, a magnetic field changes mineral crystal forms to reduce scale, turbulence scouring keeps clean, and the heat exchange effect is maintained.

The invention relates to the technical field of manufacturing of electrical element assemblies, and discloses a cold and heat exchange system of a liquid cooling cabinet and a use method of the cold and heat exchange system. The cold and heat exchange method of the liquid cooling cabinet comprises the steps that a complex thermodynamic model of the liquid cooling cabinet is processed through a hierarchical model distillation algorithm, and an ultra-lightweight thermodynamic digital twin model is obtained; processing the operation state of the liquid cooling cabinet through a multi-mode micro-sensor network to obtain a lightweight environment and load feature vector; processing the lightweight environment and load feature vector and the ultra-lightweight thermodynamic digital twin model through a micro predictive controller to obtain an adaptive liquid cooling control strategy; processing the self-adaptive liquid cooling control strategy through an ultra-low power consumption execution unit to obtain an accurately executed physical cooling effect; according to the invention, through an optimization algorithm, efficient control of the liquid cooling cabinet system is realized in a resource limited environment, the precision, the response speed and the energy efficiency are improved, the environmental adaptability and reliability are enhanced, and the bottleneck of a traditional system is broken through.

The invention belongs to the technical field of cable branch boxes, and discloses a moistureproof dehumidification branch box used in the field, which comprises a box body, a waterproof platform is fixedly connected to the bottom of the box body, a box door is hinged to the side wall of the box body, mounting frames are fixedly connected to the inner cavity of the box body in the transverse direction and the vertical direction, a canopy is arranged above the box body, and the inner cavity of the box body is fixedly connected with the mounting frames in the transverse direction and the vertical direction. Through cooperation of structures such as a T-shaped pipe, a cross-shaped pipe and a gas collecting pipe, the freezing phenomenon is avoided, it is ensured that the dehumidification and heat dissipation functions are stable, a double-pipeline channel is arranged, the T-shaped pipe and the cross-shaped pipe form a heat path pipeline which is installed near an electrical element to suck hot air of one hand, and the gas collecting pipe and a second gas inlet which is obliquely arranged form a cold path pipeline, so that the heat dissipation function of the electrical element is improved. Air in the bottom area, with the highest humidity, of the box wall is sucked, the T-shaped pipe and the cross-shaped pipe are driven by field natural wind power to move up and down in a reciprocating mode, the cold air suction range and the hot air suction range are widened, finally condensation is generated in a concentrated mode, liquid water is discharged, and efficient dehumidification is achieved.

The invention relates to the field of power equipment, in particular to a metering box which comprises a box body and a heat dissipation device, the box body is provided with an installation cavity for installation of electrical elements, the heat dissipation device comprises a reciprocating screw rod, a heat dissipation base and a heat dissipation fan, and the reciprocating screw rod is rotatably connected to the inner wall of the installation cavity. The axis of the reciprocating screw rod is parallel to the height direction of the box body, the heat dissipation seat is in threaded connection with the outer wall of the reciprocating screw rod, the heat dissipation seat slides on the inner wall of the mounting cavity along the axis of the reciprocating screw rod, and the heat dissipation fan is connected to the surface, facing the electrical element, of the heat dissipation seat. Through arrangement of the reciprocating screw rod, the heat dissipation fan and the heat dissipation seat, uniform cooling of the electrical elements in the mounting cavity is realized, the purpose of rapid cooling is effectively realized, the electrical elements in the metering box are not liable to be in a high-temperature state and are not liable to be consumed, and thus the accuracy of metering the electric quantity by the metering box is improved.

Embodiments relate to a monolithic integrated circuit. The circuit includes a substrate and plural tiers formed on the substrate. Each tier includes a 2-D planar layer of electrical elements. The plural tiers are stacked in vertical direction so that the geometric planes of each 2-D planar layer are parallel to each other. Embodiments also relate to a method of generating a monolithic integrated circuit. The method involves depositing a nanomaterial on a substrate to generate a first tier having a 2-D planar layer of the nanomaterial. One or more electrical elements are formed in and / or on the 2-D planar layer of the first tier. An inter-layer is deposited on the first tier. A nanomaterial is deposited on the inter-layer to generate a second tier comprising a 2-D planar layer of the nanomaterial. One or more electrical elements are formed in and / or on the 2-D planar layer of the second tier.

A mechanism for providing ingress protection for an electrical device. A protective element is coupled between an electrical element and a support element supporting the electrical element. Potting material covers exposed areas of the electrical element, support element and protective element. The adhesion between the protective element and the potting material is greater / stronger than between the support element and the potting material.

Device comprising at least a top-side hood (10) for receiving an electrical component, such as a terminal block, for attaching at least one electrical conductor, and a bottom-side base (14) which is provided with a bottom-side opening (16) for receiving another electrical component, such as an insulating candle, which can be electrically connected to the first electrical component, characterized in that the hood (10) and the base (14) are two separable components which, when assembled, form a cover (18) as a whole and which, by means of a height adjustment (20) with a locking device, assume such different positions relative to each other that differently designed electrical components in a predefinable mounting frame can be covered with only one cover (18).

The utility model relates to the technical field of electromagnetic station cooling, and aims to provide an electromagnetic station micro-positive pressure control device which comprises a frequency converter chamber installed on a cable trench, and a plurality of frequency conversion control cabinets connected with cables in the cable trench are arranged in the frequency converter chamber. The two outer side walls, corresponding to the frequency conversion control cabinet, of the frequency converter chamber are each provided with a plurality of dustproof air purifying fans, the bottoms of the side walls, corresponding to the dustproof air purifying fans, of the frequency conversion control cabinet are provided with air inlet grilles, and the dustproof air purifying fans enable the interior of the chamber to be kept in a micro-positive pressure state through air inlet. According to the utility model, cold air is blown into the high-voltage frequency conversion chamber by adopting the dustproof air purifier, cold and hot air exchange can be carried out on electrical elements in the high-voltage frequency conversion chamber, and the exchanged hot air is exhausted by the exhaust pipe, so that the indoor environment is kept in a micro-positive pressure state; the stability of indoor temperature can be kept through the air conditioning unit, and stable operation of equipment is guaranteed.

A kitchen appliance is disclosed includes a first electrical component, a second electrical component, and a wireless power receiver system. The wireless power receiver system includes a first receiver antenna configured to couple with a first transmission antenna and receive virtual AC power signals from the first transmission antenna. A second receiver antenna is configured to couple with a second transmission antenna and receive virtual DC power signals from the second transmitter antenna. A first receiver power conditioning system is configured to receive the virtual AC power signals, convert the virtual AC power signals to AC received power signals, and provide the AC received power signals to power the first electrical component. The second receiver power conditioning system configured to receive the virtual DC power signals, convert the virtual DC power signals to DC received power signals, and provide the DC received power signals to power the second electrical component.

The invention relates to the technical field of industrial monitoring and intelligent fault diagnosis. The invention provides a fault monitoring method and system for electrical elements of a mixing station. The method comprises the following steps: collecting operation signals of electrical elements of the mixing station; performing signal anti-interference processing based on the operation signal to obtain a preprocessed signal; according to the pre-processing signal, fault characteristic parameters of electrical elements of the mixing station are extracted, and the fault characteristic parameters comprise voltage reduction starting conversion logic characteristics of a contactor and overload transient characteristics of a motor; based on the fault characteristic parameters, fault trend analysis is carried out, and element performance degradation trend and potential fault risk are identified; and according to a result of the fault trend analysis, generating a multi-stage early warning signal for triggering preventive maintenance operation. The problems of failure of fault feature extraction, signal distortion and lack of potential risk early warning caused by insufficient pertinence, weak anti-interference capability and low intelligent degree of an existing mixing station electrical element monitoring technology are solved.

The invention belongs to the technical field of electrical system loops, and relates to a system loop matching design method and device, computer equipment and a storage medium, and the method comprises the steps: obtaining load parameters in a system loop; calculating a load current according to the load parameter; according to a load current, selecting a fuse, defining a temperature resistance grade, and selecting a cable diameter; according to the selected fuse, the defined temperature resistance grade and the selected cable diameter, performing overcurrent matching checking, judging whether the overcurrent matching checking is passed or not, and if yes, performing temperature rise checking; judging whether the temperature rise checking is passed or not, and if so, checking the fuming time; and judging whether the verification of the fuming time is passed or not, and if so, carrying out electrical performance test confirmation. Multiple aspects such as electrical element performance, environmental factors and frequency factors are comprehensively considered, and the accuracy and reliability of the high-voltage system in the design process are ensured; failure risks can be effectively avoided, the safety and stability of the system are improved, and powerful support is provided for electric development of automobiles.

The invention relates to the technical field of medical cold chain transportation, in particular to a portable intelligent medical refrigerated transport box suitable for an extreme temperature environment, which comprises a box body, a heat insulation layer is arranged on the inner wall of the box body, and the box body is provided with a storage cabin and an electrical element mounting cabin. An energy supply module, an integrated information processing module and a temperature control system are mounted in the electrical element mounting cabin; an information display and control panel is arranged on the side wall of the box body; the integrated information processing module is used for collecting temperature data in the storage cabin and position information of the medical refrigerated transport box; the temperature control system is used for regulating and controlling the temperature in the storage cabin; according to the invention, the working temperature range is effectively expanded, the extreme temperature adaptability is effectively improved, and 99% of extreme climate regions in the world can be covered; the semiconductor refrigeration / heating cooperative control is combined with the precise regulation and control of the data processing module, so that the quick response to the temperature change in the box is realized, the response time is greatly shortened, the temperature fluctuation is reduced, and the activity and quality of medical supplies can be better guaranteed.

The invention provides an automatic welding auxiliary device for electrical elements, and belongs to the technical field of welding platforms, the automatic welding auxiliary device comprises a main platform and a conveyor belt arranged on the main platform, the length direction of a circuit board is perpendicular to the conveying direction of the conveyor belt, and the length of the circuit board is larger than the width of the conveyor belt; supporting frames are arranged on the two sides of the conveying belt, and driving pieces used for driving the corresponding supporting frames to ascend and descend are arranged on the main platform. A moving frame is horizontally arranged on one supporting frame in a sliding mode, and a moving piece used for driving the moving frame to move towards the conveying belt is arranged on the supporting frame; the top of one end, close to the conveying belt, of the moving frame is rotationally connected with a rotating plate, the rotating plate and the top surface of the other supporting frame are contact surfaces with the circuit board, and a rotating assembly for driving the rotating plate to rotate is arranged on the moving frame; the main platform is provided with a clamping assembly used for clamping and fixing a circuit board. Automatic conveying, lifting, rotating and positioning of the circuit board are achieved, and the welding efficiency of electrical elements is improved.