5408 results about "Electrical bonding" patented technology

In various representative aspects, an assembly for securing array skirts and solar panel modules in an array on a roof by providing a leveling system that utilizes a leveling bolt and leveling nut to vertically adjust the assembly. Improved electrical bonding by utilizing bonding pins installed in mounting plates of a support clamp are also provided. Additionally, an improved array skirt design that is installed on the outer row of the array, as well as improved designs in the support clamp and splice mechanisms are also provided. Finally, an improved wire management system is included as well as a method of installation of the array assembly.

The invention relates to the technical field of electrical safety monitoring, in particular to an intelligent detection method and system for indoor electrical potential safety hazards, and the method comprises the following steps: constructing a synchronous data set based on electrical equipment and environment data, extracting a power current sequence, analyzing the change rate, screening abrupt change signals, and combining with environment recognition risk fragments; and extracting a fluctuation interval to judge critical offset, positioning an electrical sequence offset distance, and counting risk frequency to mark a high-incidence area to generate an alarm node list. According to the method, high-precision synchronization of power consumption behaviors and environmental conditions is realized by collecting the electric participation environment data of the electric connection points and unifying time labels, the anomaly identification accuracy is improved, the power and the current sequence change rate are extracted, the line offset is dynamically pre-warned, and the hidden anomaly in the stable stage is revealed through track mapping; a high-incidence area is positioned through frequency statistics and space mapping, closed-loop monitoring from multi-dimensional data fusion to risk area marking is achieved, and the intelligence and foresight of electrical hidden danger recognition are remarkably improved.

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.

Temperature-dependent switch (10) comprising: a switch housing (12) with a lower part (16) and a cover part (18) closing the lower part (16);a temperature-dependent switching mechanism (14) which is arranged in the switch housing (12) and has a movable contact part (30), a bimetallic element (26) and a spring element (24) cooperating with the movable contact part (30), wherein the switching mechanism (14) is configured to switch between a low-temperature position, in which it presses the movable contact part (30) against a contact surface (34) arranged inside the switch housing (12) and thereby establishes an electrical connection between a first electrical external terminal (56) of the switch (10) and a second electrical external terminal (58) of the switch (10), and a high-temperature position, in which it keeps the movable contact part (30) spaced away from the contact surface (34) and thereby interrupts the electrical connection between the first electrical external terminal (56) and the second electrical external terminal (58);and a spacer element (44) which is arranged inside the switch housing (12) between the lower part (16) and the cover part (18); wherein at least one section (42) of the spring element (24) is arranged between the spacer element (44) and the switch housing (12) and is fixed in position by an interaction of the spacer element (44) and the switch housing (12), and wherein at least one section (52) of the bimetallic element (26) is arranged between the spring element (24) and the spacer element (44) and is supported on the spacer element (44) in the high-temperature position of the switching mechanism (14).

A knob-type dimmer, including a housing; a circuit board; a switch; a trigger, partially exposed to the outside of the dimmer and moves in response to external forces to trigger or release a switch to control electrical connection or disconnection because the dimmer and a power source; an electrical connection matching component; a first mounting match portion; a knob assembly, including a base, a knob, and an electrical connection component, the base including a first mounting portion which cooperates with the first mounting match portion to mount the knob assembly to the housing, where the electrical connection component cooperates with the electrical connection matching component; a second mounting match portion; a face cover, including a second mounting portion which cooperates with the second mounting match portion to mount the face cover to the housing and to at least partially cover the base.

An apparatus includes a case having an elliptical cross-section capable of receiving a plurality of capacitive elements. One or more of the capacitive elements provide at least one capacitor having a first capacitor terminal and a second capacitor terminal. The apparatus also includes a cover assembly that includes a deformable cover mountable to the case, and, a common cover terminal having a contact extending from the cover. The cover assembly also includes at least three capacitor cover terminals, each of the at least three capacitor cover terminals having at least one contact extending from the deformable cover. The deformable cover is configured to displace at least one of the at least three capacitor cover terminals upon an operative failure of at least one of the plurality of the capacitive elements. The cover assembly also includes at least four insulation structures. One of the four insulation structures is associated with one of the at least three capacitor cover terminals. The apparatus also includes a first conductor capable of electrically connecting the first capacitor terminal of a capacitor provided by one of the plurality of capacitive elements to one of the at least three capacitor cover terminals and a second conductor capable of electrically connecting the second capacitor terminal of the capacitor provided by one of the plurality of capacitive elements to the common cover terminal.

An apparatus includes a case having an elliptical cross-section capable of receiving a plurality of capacitive elements. One or more of the capacitive elements provide at least one capacitor having a first capacitor terminal and a second capacitor terminal. The apparatus also includes a cover assembly that includes a deformable cover mountable to the case, and, a common cover terminal having a contact extending from the cover. The cover assembly also includes at least three capacitor cover terminals, each of the at least three capacitor cover terminals having at least one contact extending from the deformable cover. The deformable cover is configured to displace at least one of the at least three capacitor cover terminals upon an operative failure of at least one of the plurality of the capacitive elements. The cover assembly also includes at least four insulation structures. One of the four insulation structures is associated with one of the at least three capacitor cover terminals. The apparatus also includes a first conductor capable of electrically connecting the first capacitor terminal of a capacitor provided by one of the plurality of capacitive elements to one of the at least three capacitor cover terminals and a second conductor capable of electrically connecting the second capacitor terminal of the capacitor provided by one of the plurality of capacitive elements to the common cover terminal.

A mating module includes a tongue plate configured to be inserted into a mating slot of an electrical connector. The tongue plate includes a first surface, a second surface opposite to the first surface, a number of conductive pads exposed to the first surface and / or the second surface, and at least one metal grounding plate located between the first surface and the second surface. An end surface of the metal grounding plate extends at least close to an edge of the tongue plate. The end surface of the metal grounding plate is configured to be electrically connected to a metal shielding sheet of the electrical connector, so as to improve the grounding and shielding effects. A connector assembly having the mating module is also disclosed.

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 method includes forming a first multilayer interconnect structure over a first side of a device layer, forming a first portion of a second multilayer interconnect structure under a second side of the device layer, forming a trench that extends through the second dielectric layer, the device layer, and the first dielectric layer, forming a conductive structure in the trench, and forming a second portion of the second multilayer interconnect structure under the first portion of the second multilayer interconnect structure. The second portion of the second multilayer interconnect structure includes patterned metal layers disposed in a third dielectric layer, and wherein one or more of the patterned metal layers are in electrical connection with the conductive structure.

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.

The invention relates to the technical field of image processing, in particular to a training method and system based on a circuit board defect detection model. The method comprises the following steps: acquiring an automatic optical monitoring image of the circuit board, and carrying out circuit board surface defect detection on the automatic optical monitoring image of the circuit board so as to obtain surface defect data of the circuit board; marking a circuit board defect area according to the circuit board surface defect data so as to obtain circuit board defect area data; carrying out welding spot three-dimensional contour imaging according to the automatic optical monitoring image of the circuit board so as to obtain welding spot three-dimensional contour data, and carrying out circuit board pseudo soldering analysis according to the welding spot three-dimensional contour data so as to obtain circuit board pseudo soldering data; and performing electrical connection defect analysis according to the circuit board defect area data so as to obtain electrical connection defect data. Based on the computer vision technology, the accuracy of the circuit board defect detection model is improved.

A household vacuum sealer contains: a base, a lid, and a hot-melt sealing element. The base includes a receiving chamber for accommodating a control circuit and a vacuum pump. The base also includes a vacuuming chamber and an accommodation chamber. The hot-melt sealing element includes a holder, a mica slice, a laminated heating layer, the insulated composite layer, and a protective cap. The insulated composite layer includes multiple insulated tape layers. The laminated heating layer includes a high-temperature resistance tapes made of polyimide, a metal resistance tape, two electrical connection films, and two alternating current (AC) electrodes. The mica slice is parallelly fixed on a top of the holder. The laminated heating layer includes the two electrical connections. Furthermore, the protective cap is covered on the insulated composite layer and includes a hollowly elongated zone.

An apparatus includes a case having an elliptical cross-section capable of receiving a plurality of capacitive elements. One or more of the capacitive elements provide at least one capacitor having a first capacitor terminal and a second capacitor terminal. The apparatus also includes a cover assembly that includes a deformable cover mountable to the case, and, a common cover terminal having a contact extending from the cover. The cover assembly also includes at least three capacitor cover terminals, each of the at least three capacitor cover terminals having at least one contact extending from the deformable cover. The deformable cover is configured to displace at least one of the at least three capacitor cover terminals upon an operative failure of at least one of the plurality of the capacitive elements. The cover assembly also includes at least four insulation structures. One of the four insulation structures is associated with one of the at least three capacitor cover terminals. The apparatus also includes a first conductor capable of electrically connecting the first capacitor terminal of a capacitor provided by one of the plurality of capacitive elements to one of the at least three capacitor cover terminals and a second conductor capable of electrically connecting the second capacitor terminal of the capacitor provided by one of the plurality of capacitive elements to the common cover terminal.

An electrical connector set includes a first substrate having a first conductor, and a first internal terminal having a first mounting portion and a second mounting portion that are mounted on the first conductor of the first substrate and a projecting portion extending in a curved shape between the first mounting portion and the second mounting portion. The electrical connector set further includes a second substrate having a second conductor, and a second internal terminal having a third mounting portion that is mounted on the second conductor of the second substrate and a recessed portion forming the third mounting portion at a bottom portion, in which the projecting portion of the first internal terminal and the recessed portion of the second internal terminal are configured to be fitted to each other.

The invention discloses an active prediction type modular battery thermal management system, which comprises the following steps: a liquid path and electrical connection module, a data acquisition module, a communication transmission module, a working condition identification module, a feedback control module, a cooperative control module, an execution adjustment module, a state feedback module, an exception handling module, a redundancy switching module and the like. A prediction control instruction is generated by combining a working condition recognition result, a fusion control quantity is formed by the prediction control instruction and temperature feedback, amplitude limiting control is conducted according to thermal power evaluation and a set threshold value, coordinated adjustment of a pump, a valve and a bypass assembly is achieved, and if recognition fails or data is abnormal, the system automatically freezes prediction control and executes closed-loop adjustment only depending on feedback. And the standby device takes over the fault after fault judgment, so that continuous operation and safety maintenance of the system are guaranteed. The system has a modular structure and complete maintenance process support.

The invention discloses a copper wire bonding process for a silicon carbide power device chip after copperization, and relates to the technical field of chip manufacturing, and the copper wire bonding process comprises the following specific steps: step 1, chip pretreatment: preparing the silicon carbide power device chip, placing the chip in a cleaning tank, and cleaning the silicon carbide power device chip; the method has the advantages that the nickel layer, the metal palladium layer and the metal copper layer with the specific thickness and sequence are evaporated on the surface of the chip, the buffer layer with the gradient structure is prepared, the plating uniformity and the appropriate thickness are ensured through the accurately-controlled electrode layer evaporation process, the problems of wafer warping, buffer failure and the like are solved, and the production efficiency is improved. A stable electrical connection basis is provided for the chip, the elasticity modulus of the gradient structure of the buffer layer can be gradually reduced from contact with the electrode layer to contact with the copper wire according to the stress distribution characteristics, the stress dispersion effect is greatly improved, the reliability of the chip in the bonding and subsequent use processes is remarkably improved, the service life of the chip is prolonged, and the production cost is reduced. And the risk of product failure caused by chip damage is reduced.

ELECTRICAL CONNECTOR TERMINAL

The invention belongs to the technical field of processing of copper-aluminum composite bars for electrical connection, and particularly relates to a preparation method of a high-performance copper-aluminum composite material. The Al-based brazing filler metal adopted in the preparation process is prepared from 75-85% of Al, 10-15% of Si and 0.1-10% of Ag through a melt rotary quenching method. When the high-performance copper-aluminum composite material is prepared from the powder Al-based brazing filler metal, firstly, a copper strip is unfolded, and the surface of the copper strip is cleaned; then powder Al-based brazing filler metal is sprayed to the surface of the cleaned copper strip through an electrostatic spraying machine, and meanwhile the surface where the powder Al-based brazing filler metal is attached is treated through a laser shot peening machine; and finally, a conventional cast rolling technology is adopted for completing semi-solid compounding between the copper strip attached with the powder Al-based brazing filler metal and molten aluminum, and the high-performance copper-aluminum composite material is obtained. By using the self-made alloy brazing filler metal and combining with a laser peening adhesion technology, good connection between copper and aluminum can be formed, and formation of harmful phases on a copper-aluminum interface is inhibited on the premise of ensuring electrical properties, so that the interface bonding reliability of the copper-aluminum composite material is improved.

The invention discloses a strongly-locked inertia outer lock catch connector, and belongs to the technical field of electrical connectors, the strongly-locked inertia outer lock catch connector comprises a wire end hole seat, a spring terminal, a terminal fixing structure, a plate end needle seat, a needle terminal, a terminal interlocking structure and an inertia outer lock catch structure, a plurality of terminal mounting cavities are formed in the wire end hole seat, and through holes are formed in the side walls of the terminal mounting cavities; the plurality of spring terminals are respectively installed inside the terminal installation cavities, the terminal fixing structures are respectively arranged on the line end hole seat and the spring terminals, the side wall of the plate end needle seat is provided with a plurality of installation holes, the plurality of needle terminals are respectively installed inside the installation holes, one end of each needle terminal extends into the plate end needle seat, and the other end of each needle terminal extends into the plate end needle seat. The terminal interlocking structures are respectively arranged on the spring terminal and the needle terminal; and the inertia outer lock catch structures are respectively arranged at the tops of the wire end hole seat and the plate end needle seat. Through the design of multiple locking mechanisms, the reliability of the connector is enhanced, and the stability and safety of electrical connection are remarkably improved.

The utility model belongs to the technical field of medium-voltage power distribution systems, and discloses an isolating switch device and a switch cabinet, the isolating switch device comprises an insulating rod, a conductive block, a conductive sheet and an operating mechanism, the conductive block is sleeved on the insulating rod, the conductive sheet is fixedly connected with the conductive block, and the operating mechanism drives the conductive sheet and the conductive block to rotate through the insulating rod. Therefore, the conducting strip is selectively connected or disconnected with the circuit breaker connector bar, and the conducting block is electrically connected with the voltage transformer in the rotating process. An isolating switch device is additionally arranged between a circuit breaker and a voltage transformer in a switch cabinet, an operating mechanism is utilized to drive a conducting strip and a conducting block to rotate through an insulating rod, the conducting block and the voltage transformer keep electrical connection in the rotating process, the position of the conducting strip is changed in the rotating process, and then the conducting strip is selectively connected with or disconnected from a circuit breaker connector bar. The structure is simplified, the number of elements is reduced, flexible operation can be achieved, and the stability and reliability of the disconnecting switch device can be guaranteed.

A detonation module for a perforation tool includes a detonator, a switch circuit disposed in a fluid-sealed housing and electrically coupled to the detonator, a shielding circuit coupled to the switch circuit, an annular electrical contact electrically coupled to the switch circuit, and an annular, electrically conductive, compressive member to form a compressive electrical connection with an end of a perforation unit.

The invention relates to the technical field of energy storage equipment monitoring, and discloses an energy storage power station equipment state monitoring and maintenance decision system. The system comprises an equipment topology overview construction module, a multi-source monitoring module and a health state compensation module. Wherein the equipment topology overview construction module generates an equipment topology overview containing electrical connection parameters and working condition parameters based on a physical connection relationship of an energy storage power station; the multi-source monitoring module collects equipment operation state data streams from the distributed monitoring nodes and obtains environment disturbance data in real time; and the health state compensation module performs missing node compensation on the equipment operation state data stream in the equipment state fusion monitoring mode to obtain a health state index of the energy storage equipment. According to the system, equipment topology information and multi-source data are integrated, accurate assessment of the equipment health state is realized, support is provided for maintenance decision of energy storage power station equipment, and equipment operation and maintenance efficiency can be improved.

The invention discloses a manufacturing process of a circuit board structure of aviation equipment, which comprises the following steps of: providing a carbon fiber reinforced ceramic substrate, after desizing process treatment, coating high-temperature ceramic slurry on the carbon fiber reinforced ceramic substrate, forming a high-temperature-resistant base material layer through vacuum drying, coating an electromagnetic shielding material on the surface of the base material layer, and forming the circuit board structure of the aviation equipment. Designing a circuit pattern, and transferring the circuit pattern to the electromagnetic shielding layer through a laser cutting or etching process to form a circuit layout; wiring the copper alloy film according to the circuit pattern, and combining the copper alloy film with the polymer composite material middle layer through a lamination process to form an electrical connection layer; coating the surface of the circuit board with a resin material, performing curing treatment, mounting a metal connecting piece in the edge area of the circuit board, performing connection in a crimping manner, then performing a 3D printing process, and printing connecting points on the surface of the circuit board; the circuit board provided by the invention has the advantages of high temperature resistance, electromagnetic interference resistance, support and excellent protection performance.

Various countermeasure dispensing systems (or CMDSs) and method of use are described herein. CMDS may include a dispenser assembly operably engaged with a platform where at least one electrical connection provides electrical communication between the dispenser assembly and a sequencer. CMDS may also include a magazine assembly operably engaged with the dispenser assembly, wherein the magazine assembly comprises a magazine configured to hold at least two countermeasure expendables. CMDS may also include a breechplate assembly operably engaged with the magazine assembly and adapted to dispense the at least two countermeasure expendables. CMDS may also include at least one magazine identification switch (MIS) operably engaged with the magazine assembly and the breechplate assembly. CMDS may also include that the at least one MIS is configured to enable the sequencer and the breechplate assembly to selectively dispense at least one countermeasure expendable from the at least two countermeasure expendables.

The invention relates to the technical field of electrical diagnosis, in particular to a coupler health state monitoring method and system, and the method comprises the steps: detecting the electrical connection integrity based on the historical performance data of a coupler, measuring the voltage and current deviation in a signal path, and predicting the initial health state of the coupler through the data in the signal path, and generating a health state prediction result. According to the invention, through electrical connection integrity inspection and voltage and current deviation measurement of a signal path, the initial health state of the coupler is accurately predicted, the diagnosis accuracy is improved, non-planned shutdown is avoided through timely intervention, a risk assessment model is adjusted based on a health prediction result, and circuit board parameters are adjusted in real time according to environment and operation conditions. Equipment performance is optimized, future states are simulated, potential risks are predicted, maintenance strategies are planned, maintenance cost is reduced, signal quality is continuously monitored, abnormal signals are recognized in time, equipment damage risks are reduced, and stable operation of the coupler is guaranteed.

A solar mounting system includes at least one photovoltaic module (“PV module”) having a module frame and a support structure including at least one elongated support rail configured to support the at least one photovoltaic module (“PV module”). A fastener assembly or hardware stack is used to mount and secure the at least one PV module to the elongated support rail of the solar mounting system. The fastener assembly includes a fastener having a fastener head including at least one abutment surface that prevents rotation of the fastener during mounting of the PV module to the support structure, and, optionally, at least one projection that pierces a protective coating applied to the PV module to thereby establish an electrical bond and grounding of the PV module with the support structure during installation.

Multiple component package structures are described in which an interposer chiplet is integrated to provide fine routing between components. In an embodiment, the interposer chiplet and a plurality of conductive vias are encapsulated in an encapsulation layer. A first plurality of terminals of the first and second components may be in electrical connection with the plurality of conductive pillars and a second plurality of terminals of first and second components may be in electrical connection with the interposer chiplet.

The invention discloses an ultra-miniature patch fuse structure and a production process thereof. A fuse comprises a ceramic substrate, an inner electrode part, a terminal electrode part, a fuse wire part and a covering protection layer. An inner electrode groove is formed in the side wall of the ceramic substrate, and the inner electrode part comprises a first inner electrode and a second inner electrode; the first inner electrode and the second inner electrode are respectively provided with a fuse wire fixing groove. According to the production process, inner electrode grooves are formed in the two ends of a ceramic substrate, a first inner electrode and a second inner electrode are constructed through metallization wall-hanging treatment, a fuse part is inserted into a fuse fixing groove and connected through thermal ultrasonic or hot pressing bonding, and a protection layer is printed and cured to enhance the insulation performance. According to the invention, through cooperation of the fuse wire fixing grooves, accurate limitation and anti-drop protection of fuse wire component connection points are realized, and the structural stability and the electrical connection reliability between the fuse wire component and the first inner electrode and between the fuse wire component and the second inner electrode are improved.

An electrical connector housing is provided. A slot is provided in the housing between a plurality of contact blades and the front surface of the electrical connector housing. The slot extends perpendicularly from the top surface of the electrical connector housing to communicate with a plurality of passages in the housing for receiving insulated wires. A cutting blade is received and secured in the slot for cutting portions of the insulated wires that exceed the slot or the cutting blade in the lengthwise direction of the electrical connector housing. The housing is able to prevent electrical shorts, sparks and other electrical risks arising from exposed or open wire ends on the connector.