60897 results about "Electrical connection" patented technology

The invention discloses an intelligent power distribution network line state real-time monitoring, analysis and evaluation system, and relates to the technical field of power system monitoring and control, the intelligent power distribution network line state real-time monitoring, analysis and evaluation system is constructed, data is collected in multiple dimensions, features are extracted through edge calculation, data is screened, a dynamic threshold model is constructed at a cloud end, and abnormity is identified. The method has the advantages that a three-dimensional digital twin network is constructed based on GIS data and an SCADA system through the power grid topology modeling module, and a unique'topology fingerprint 'containing electrical connection, physical position and logic control relation is generated for each piece of equipment; an upstream and downstream equipment list, a load influence range and a power flow transfer path are marked, and an association state evaluation module adopts a graph convolutional neural network and can accurately capture electrical coupling, physical proximity and historical fault association effects among equipment.

An electrocardiogram device configured to transmit at least one signal responsive to a wearer's cardiac electrical activity can include a disposable portion and a reusable portion configured to mechanically and electrically mate with each other. The disposable portion can include a base having at least one mechanical connector portion, a plurality of cables and corresponding external ECG electrodes, and a first plurality of electrical connectors associated with the plurality of cables. The reusable portion can include a cover having at least one mechanical connector portion, a second plurality of electrical connectors configured to electrically connect with the first plurality of electrical connectors of the disposable portion, and an output connector port configured to transmit at least one signal responsive to one or more signals outputted by the external ECG electrodes of the disposable portion.

An apparatus for use in a magnetic induction wireless power transfer system comprises at least one booster coil positioned adjacent an active coil of a magnetic induction wireless power transfer system and a capacitor electrically connected to the booster coil. A capacitance of the capacitor is selected such that a current in the booster coil is approximately equal to a current in the active coil during wireless power transfer. The apparatus may comprise at least one shielding coil positioned adjacent an active coil of a magnetic induction wireless power transfer system, a capacitor electrically connected to the shielding coil, and a conductor positioned adjacent the shielding coil opposite the active coil. The conductor encompasses the shielding coil.

The invention discloses a wafer cleaning and drying process, a wafer drying machine and a cleaning and drying structure assembly thereof, relates to the field of wafer cleaning equipment, and can solve the problem of poor regulation and control precision of an electromagnetic pump and a plurality of valves with different calibers through manual adjustment in the prior art. The wafer drying machine comprises a main body and a lifting mechanism connected to the main body. The cleaning and drying structure assembly comprises a drying groove body, a liquid inlet pipe, an IPA bubbling box, a first liquid discharging pipe and a controller. A groove cover is connected to a groove opening of the drying groove body; the first liquid discharge pipe is connected with an electromagnetic pump, a first valve and a flowmeter used for measuring the flow speed of liquid in the first liquid discharge pipe, and the electromagnetic pump and the flowmeter are both electrically connected to the controller so that the controller can control the flow of the electromagnetic pump according to signal feedback of the flow speed of the liquid in the first liquid discharge pipe by the flowmeter.

To provide a semiconductor package containing an insulating material.SOLUTION: A semiconductor package 1000 contains: a re-wiring structure body 300 that contains a re-wiring layer containing copper (Cu) and an insulation layer 310 surrounding the re-wiring layer; a semiconductor chip 100 that is mounted onto the re-wiring structure body, and contains a plurality of chip-coupling members 130; an internal coupling terminal 134 that is arranged between the re-wiring structure body and the semiconductor chip, and electrically connects the re-wiring layer and a connection pad; an external coupling terminal 600 that is adhered to a lower side of the re-wiring structure body, and is electrically connected to the re-wiring layer; and a sealing member 250 that surrounds the semiconductor chip and the internal coupling terminal on the re-wiring structure body. The insulation layer is made of an insulating material, where K satisfies 20 or more in a TC index.SELECTED DRAWING: Figure 1

A chip package includes a housing, one or more electrical connections coupled to an exterior of the housing, a photonic integrated circuit, and a scanning unit. Both the photonic integrated circuit and the scanning unit are disposed within the housing. The photonic integrated circuit has at least one waveguide designed to guide a beam of light. The scanning unit is designed to laterally scan the beam of light across a focal plane outside of the housing. The scanning unit is aligned with the photonic integrated circuit such that the beam of light is coupled between the photonic integrated circuit and the scanning unit.

The invention relates to the technical field of ring main unit monitoring, and discloses a ring main unit online monitoring system based on multi-state quantity sensing. The system comprises an acquisition module used for acquiring a temperature signal and a partial discharge signal and obtaining state quantity data; the calibration module is electrically connected with the acquisition module and is used for preprocessing and calibrating the state quantity data; the analysis module is electrically connected with the calibration module and is used for performing multi-dimensional analysis on temperature and discharge characteristics; the transmission module is electrically connected with the analysis module and is used for data transmission and fusion processing; the early warning module is electrically connected with the transmission module and is used for performing multi-stage early warning analysis; and the adjusting module is electrically connected with the early warning module and is used for dynamically adjusting the monitoring parameters. According to the invention, accurate evaluation and timely early warning of the equipment operation state are realized, and the technical problems of low accuracy and poor adaptability of a single state quantity monitoring method are solved.

Various implementations of electrophoretic systems and instruments are provided to improve electrophoresis and ease of use. Various electrophoretic systems and instruments utilize different electrode designs that can result in uniform electromigration of analytes. The electrophoretic systems and instrumentations optimize the size and / or location of electrodes relative to a sample, thereby increasing uniformity of electric field and reducing or minimizing drift of analyte migration. In addition, the electrophoresis systems and instruments provide a solution to conveniently check for electrical connections in the systems and instruments, and alert users of potential improper electrical connections, prior to performing electrophoresis.

The embodiment of the invention relates to the photovoltaic field, and provides a back contact battery and a preparation method thereof, and a photovoltaic module, and the back contact battery comprises a battery body of which the back surface comprises a first edge region, a central region and a second edge region which are sequentially arranged along a first direction; the first fine grid and the second fine grid are positioned in the central region and are alternately arranged along a second direction; the edge bus bar extends along the second direction, is positioned in the first edge region or the second edge region, and is connected with the plurality of first or second fine grids; the edge bonding pad is located on the portion, close to the first edge area or the second edge area, of at least one fine grid and electrically connected with the edge bus bar, and the fine grid is one of the first fine grid and the second fine grid; one end of the connecting section is connected with one side, close to the edge bus bar, of the edge bonding pad or connected with one of the two opposite sides of the edge bonding pad in the second direction, the other end of the connecting section is connected with the edge bonding pad or one fine grid, and at least the photoelectric conversion efficiency of the back contact battery can be improved.

The invention discloses a photovoltaic module and a photovoltaic module preparation method, the photovoltaic module comprises a battery piece, a welding strip, a bus bar and an insulating block, and the back surface of the battery piece is provided with a fine gate electrode and a first insulating layer; the first welding strip is electrically connected with the fine gate electrode with the first polarity, and the second welding strip is electrically connected with the fine gate electrode with the second polarity; the insulating blocks are located on the back face of the battery piece, the insulating blocks and the first insulating layers are alternately arranged in the extending direction of the fine gate electrodes, and the insulating blocks cover part of the fine gate electrodes of the second polarity and part of the second welding strip; the first insulating layer covers part of the fine gate electrode with the second polarity; the bus bar is located in the area, corresponding to the first insulating layer and the insulating block, of the back face of the battery piece, the bus bar extends in the length direction of the fine grid electrode, the bus bar is electrically connected with the first welding strip, and the bus bar is electrically isolated from the second welding strip through the insulating block; and the bus bar is electrically isolated from the fine gate electrode with the second polarity through the insulating blocks and the first insulating layers which are alternately arranged.

The embodiment of the invention provides a detection device, electronic equipment and a control method thereof, relates to the technical field of data detection, and aims to solve the problem that equipment with a health sign detection function is large in size. The detection device comprises a first circuit board, a light-emitting device, a photoelectric converter, a metal cover plate and a light-transmitting structure. The photoelectric converter and the light-emitting device are arranged on the same side of the first circuit board and are electrically connected with the first circuit board. The metal cover plate covers the first circuit board and is electrically connected with the first circuit board. The metal cover plate is provided with a first light through hole for exposing the light-emitting device and a second light through hole for exposing the photoelectric converter. The light-transmitting structure is filled in the first light-transmitting hole, the second light-transmitting hole and the accommodating cavity, wraps the light-emitting device and the photoelectric converter, and is connected with the light-emitting device, the photoelectric converter, the first circuit board and the metal cover plate to form an integrated structural member, so that the size of the detection device is reduced.

The embodiment of the invention discloses an embedded substrate, a power supply device and electronic equipment. The embedded substrate comprises a front surface first adding layer jointed with the first surface of the core part maintaining body, a conduction structure electrically connected with a circuit layer of the dielectric layer is arranged in the dielectric layer of the front surface first adding layer, and the conduction structure comprises a first conduction structure electrically connected with a bonding pad on the chip; the dielectric layer of the first additional layer on the front side is made of an exposable and developable material, an open pore for constructing the conduction structure is formed through exposure and development, the open window of the outer protection layer has a first projection on the first surface, the first open pore for constructing the first conduction structure has a second projection on the first surface, and the second projection covers the first projection. Through the arrangement, the first conduction structure with a larger through-flow cross section is constructed and formed by utilizing the windowing size of the chip side, so that the through-flow capability is effectively improved, and the heat conduction capability is high. In addition, the bonding stress between the circuit layer and the front surface of the chip can be reduced, the layering risk is reduced, and the reliability is better.

Embodiments relate to a cylindrical secondary battery. A cylindrical secondary battery includes an electrode assembly including a first electrode plate, a separator, and a second electrode plate, a case that accommodates the electrode assembly and of which a lower end is opened to be electrically connected to the second electrode plate, a first current collector plate disposed between a top surface of the electrode assembly and the case and electrically connected to the first electrode plate, a terminal which passes through a top surface part of the case and of which a lower end is electrically and mechanically coupled to a top surface of the first current collector plate, and a cap plate configured to seal a lower end of the case. The terminal includes a main body having a flat top surface and a welding groove recessed downward from a top surface of the terminal outside the main body.

A busbar-free electrode structure, IBC solar cell, and a photovoltaic system, used in the technical field of solar cells. Since first end welding points close to a third edge and disposed at a first break position are not connected to a first fine grid, but are electrically connected to a part of a second fine grid closest to the third edge, second fine grids close to a first edge can be connected together. On this basis, the first end welding points can be disposed, by means of the described electric connection manner, at a positions distant from the first edge of the silicon substrate, so that when a welding strip is subsequently welded to a first end welding point, because there is a relatively large distance between a disposed first end welding point and the first edge, the risk of hidden cracks during welding can be reduced, the cell yield can be improved, and overall convergence of the second fine grid can be achieved.

The invention provides a 2.5 D substrate packaging method and packaging structure, and relates to the technical field of semiconductor packaging. The 2.5 D substrate packaging method comprises the following steps: providing a carrier; wherein the carrier is provided with a flat part and a boss part; the boss part protrudes out of the flat part. Forming a first wiring layer on the boss part; forming a second wiring layer on the flat part; the first wiring layer and the second wiring layer are independent from each other. Mounting a first chip; the first chip comprises a plurality of first electric connection parts, at least one first electric connection part is electrically connected with the first wiring layer, and at least one first electric connection part is electrically connected with the second wiring layer; the length of the first electric connection part connected with the first wiring layer is smaller than that of the first electric connection part connected with the second wiring layer. Removing the carrier; and forming a solder ball on one side, far away from the first chip, of the second wiring layer. The inductance effect and the parasitic effect are reduced, the transmission path is shortened, the transmission efficiency is improved, and the chip integration level and the product performance are improved.

The invention discloses an LSTM-COF-based power equipment data anomaly detection method and system, and relates to the technical field of power equipment state monitoring, and the method comprises the following steps: collecting historical data, and constructing a three-dimensional data matrix; predicting equipment parameters at the extreme temperature through an LSTM model; compressing the features, quantifying the covariance deviation degree between the features in combination with a correlation abnormal factor algorithm, and detecting abnormal points; the system integrates a data collection module, a data preprocessing module, a data prediction module, a detection model generation module and a visualization module. According to the method, the multi-dimensional historical operation data of the power equipment is collected, the equipment parameters in the extreme temperature environment are predicted by using the LSTM model, the principal component analysis dimensionality reduction and correlation abnormal factor algorithms are combined, insulation degradation type and electrical connection type faults can be dynamically identified, the data distribution change is adapted through the incremental learning mechanism, and the fault diagnosis accuracy is improved. The problems of low high-dimensional data processing efficiency and poor anomaly detection adaptability due to manual experience dependence in a traditional method are solved.

A cylindrical secondary battery includes an electrode assembly including a first electrode plate, a separator, and a second electrode plate; a case accommodating the electrode assembly and having a lower end that is open and electrically coupled to the second electrode plate; a first current collector plate between a top surface of the electrode assembly and the case and that is electrically connected to the first electrode plate; a terminal passing through a top surface of the case and including a lower end electrically and mechanically coupled to a top surface of the first current collector plate; and a cap plate configured to seal the lower end of the case. The terminal includes a lower terminal including a welding groove having a depth from a top surface of the terminal in a downward direction; and an upper terminal in the welding groove of the lower terminal.

The invention relates to a simulation prediction method for the plugging life of a contact element of an electric connector, and the method comprises the steps: building a three-dimensional simulation model of a plug end and a socket end of the electric connector, and defining the material attributes and contact relationships of all parts in the three-dimensional simulation model; performing finite element grid discretization on the three-dimensional simulation model; applying a fixed constraint to the socket end, applying a displacement load for simulating the plugging process to the plug end, and performing statics solution to obtain plugging force in the plugging process of the plug end and the socket end and contact pressure data of the plug end contact piece and the socket end contact piece; and mapping a statics solution result into a fatigue analysis module, and simulating, calculating and outputting a life distribution result of the plug end contact element and the socket end contact element under repeated plugging and unplugging loads. The method has the effect of analyzing the stress-strain state of the internal contact element of the electric connector and the fatigue damage of the internal contact element under repeated plugging and unplugging so as to help monitoring personnel to discover the potential mechanical failure problem in time.

There is provided an intravascular blood pump for insertion into a patient's heart. The blood pump comprises a slotless permanent magnet motor contained within a housing, the motor having p magnet pole pairs and n phases, where p is an integer greater than zero, and n is an integer ≥3. The motor comprises a stator extending along a longitudinal axis of the housing and having 2np coils wound to form two coils per phase per magnet pole pair. The stator comprises inner and outer windings each comprising np coils electrically connected such that the current flowing through the coils is in the same direction, the coils of the outer winding arranged on an outer surface of the coils of the inner winding.

The invention relates to the technical field of fusion reaction devices, and discloses a flexible electrical connection structure and a fusion reaction device, and the flexible electrical connection structure comprises a first installation assembly, a second installation assembly and a connection assembly. The first installation assembly comprises an installation base, a supporting piece and an adjusting base, the supporting piece is connected with the installation base and can move in the first direction relative to the installation base, the adjusting base is connected with the supporting piece and can move in the second direction relative to the supporting piece, and the second direction is perpendicular to the first direction. One end of the connecting assembly is connected with the adjusting seat, the other end of the connecting assembly is separably connected with the second mounting assembly, and the first mounting assembly, the connecting assembly and the second mounting assembly can form a conductive path. Therefore, the position of the connecting assembly can be adjusted through movement of the supporting piece and the adjusting seat. In the installing process or the working process, the position of the connecting assembly can be adjusted in a self-adaptive mode, the overall installing efficiency of the fusion reaction device is improved, and the connecting stability of the connecting assembly and the second installing assembly in the working process is improved.

A weapon attachment riser system for a weapon includes a riser assembly including a base housing, which defines an interior compartment, and a housing cover secured to the base housing. The base housing is configured to be detachably secured to a powered weapon accessory interface on the weapon and the housing cover is configured to be detachably secured to an accessory device. A circuit assembly includes a flexible circuit substrate disposed within the interior compartment. The circuit assembly includes a first electrical connector configured to detachably engage a complementary weapon rail interface port on the powered weapon accessory interface through an aligned opening in the housing base and a second electrical connector configured to detachably engage a complementary accessory interface port on the accessory device through an aligned opening in the housing cover.

The invention relates to an LED display device based on vertical stacking and a preparation method thereof, the display device comprises a driving backboard and a mother pixel, the mother pixel comprises a plurality of sub-pixels, one of a first type of electrode contact and a second type of electrode contact on the driving backboard is a common-pole contact, and the other one is a non-common-pole contact; the electric connectors comprise common-pole conductive parts and non-common-pole conductive parts, the non-common-pole conductive parts are configured to be electrically connected to the first ends of the corresponding sub-pixels and electrically connected with the corresponding non-common-pole contacts, and the common-pole conductive parts are configured to be electrically connected to the second ends of the sub-pixels and electrically connected with the common-pole contacts to form a common-pole structure; each of the copolar conductive part and the non-copolar conductive part comprises an interconnection conductive part, the interconnection conductive parts are located in the corresponding pixel layers, at least one interconnection conductive part comprises a core body, the core body is a compound semiconductor, and the core body is located in the first inner fence. The invention further discloses a preparation method. The production efficiency and quality of the LED display device can be improved.

The invention relates to an optical engine and a forming method thereof, the optical engine comprises an adapter plate, an electric chip, an optical chip and a packaging substrate, the adapter plate comprises a first surface, a second surface opposite to the first surface, and a first through hole penetrating through the first surface and the second surface, the first surface of the adapter plate and the front surface of the electric chip are mounted on the optical chip and are electrically connected with the optical chip, and the second surface of the adapter plate is mounted on the packaging substrate and is electrically connected with the packaging substrate. According to the 3D fan-out type packaging optical engine integrated with the TSV adapter plate, the problems that an existing 3D fan-out type packaging optical engine is large in module size and cannot support the extremely high number of channels can be solved at the same time, and the problems that an existing 3D integrated optical engine with the TSV is high in cost and chip incoming materials are fixed can be solved at the same time.

The present invention relates to the technical field of electrical connectors, and in particular to an anti-loosening electrical connector for electromechanical equipment, comprising a coaxially plugged core barrel and a piercing barrel, wherein a plurality of cables are clamped on the core barrel, and the ends of the plurality of cables extend along the radial direction of the core barrel and are evenly distributed around the circumference of the core barrel, and the piercing barrel is provided with a plurality of piercing pieces, one end of the piercing piece is provided with a clamping groove, and the interior of the clamping groove is provided with a cutting section, a pressing section and a conductive section in sequence from bottom to top, the cutting section is used for cutting the insulating sheath of the cable, the pressing section is used for clamping the insulating sheath of the cable, and the conductive section is used for conductive connection with the wire core of the cable, and a clamping ring is rotatably provided on the piercing piece, and the clamping ring is U-shaped; in the initial state, the center line of the clamping ring coincides with the center line of the clamping groove, and the clamping ring can be clamped with the insulating sheath of the cable; the clamping ring can be rotated 90°, so that the insulating sheath is in closer contact with the wire core.

The present application discloses a waterproof connector and a washing machine. The waterproof connector comprises a connecting member and a docking member. The connecting member comprises a connecting main body and an inserting protrusion; the connecting main body is fixed to a first carrier; and the inserting protrusion is provided with first wiring terminals. The docking member comprises a docking main body and an inserting slot; the docking main body is fixed to a second carrier; and the inserting slot is provided with second wiring terminals. A sealing structure is provided on the inserting protrusion and / or the inserting slot. The first carrier and the second carrier are mounted to drive the inserting protrusion to be slotted to the inserting slot, so that the first wiring terminals are electrically connected to the second wiring terminals; and the sealing structure sealingly abuts against the joint between the inserting protrusion and the inserting slot. According to the present application, the sealing structure sealingly abuts between the outer surface of the inserting protrusion and the inner slot wall of the inserting slot, and can directly isolate the inserting space between the inserting protrusion and the inserting slot, thereby ensuring that the electrical connection between the first wiring terminals and the second wiring terminals is waterproof and dustproof.

The invention relates to the technical field of electronic circuit detection, in particular to a detection method for checking abnormal work of a lamp, which comprises the following steps: acquiring the consistency of a lighting state and voltage, extracting abnormal response, checking power supply connection and checking non-response, monitoring and controlling the relationship between output and current action starting, and analyzing response continuity. And detecting branch voltage difference change and direction, monitoring voltage jump and current response starting point performance, extracting response data, and obtaining a classification result. According to the invention, through cooperative detection of voltage and current response behaviors, in combination with path voltage difference direction change and time sequence characteristics, a load abnormal response section is identified step by step, the abnormal state identification capability is enhanced, an action time sequence cross validation mode is adopted to replace a traditional static judgment process, misjudgment interference is reduced, and manual intervention requirements are reduced; therefore, the detection process is more continuous, the related operation is universal, the method can be suitable for various lamp structures, the troubleshooting precision is improved, and the execution cost is controlled at the same time.

A semiconductor device is provided. The semiconductor device includes a back-end-of-line (BEOL) layer, a backside power distribution network (BSPDN), a stacked field effect transistor (stacked FET) and a backside contact. The stacked FET is vertically interposed between the BEOL layer and the BSPDN and includes a top FET with top source / drain (S / D) epitaxy and a bottom FET with bottom S / D epitaxy. The stacked FET is characterized as having at least partial vertical alignment of the top FET and the bottom FET. A backside contact electrically connects the BSPDN and the top S / D epitaxy and cuts through the bottom S / D epitaxy with isolation between the backside contact and the bottom S / D epitaxy.

An electrical connector includes a connector housing having a base, a flange, and a plug. The connector housing has a contact channel holding a contact. The electrical connector includes a latch member integral with the connector housing and located within the flange. The latch member includes a deflectable latch arm and a latching finger extending from the latch arm. The plug is configured to be inserted into a panel opening of the panel in a loading direction. The connector housing is movable laterally relative to the panel in a latching direction to a latched position. The plug is movable in the panel opening in the latching direction. The latching finger engages an inner edge of the panel opening when the housing is in the latched position to hold the connector housing in the latched position.

The invention relates to the technical field of testing, in particular to electric connector joint testing equipment which comprises a testing table and a digital display control panel, a mounting cavity and a testing cavity are formed in the testing table, and two clamping structures are arranged in the testing cavity. A second electric telescopic rod capable of driving one of the clamping structures to move in the test cavity is arranged in the test table, and an eccentric connecting rod driving mechanism capable of driving the other clamping structure to move in the test cavity in a reciprocating manner is arranged in the mounting cavity; the eccentric connecting rod driving mechanism can simulate the plugging action of an electric connector joint through the transmission of a rotating motor, a speed reducer, a turntable, a connecting rod and a driving shaft; the pressure sensor monitors the plugging force in real time, the vibration motor simulates the vibration working condition, the performance of the electric connector joint in actual use can be tested more comprehensively, the deviation adjusting structure can adjust the position of the driving head end of the driving shaft, tests in different deviation states are simulated, and the accuracy and authenticity of the tests are further improved.