3763 results about "Electrical bonding" patented technology

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.

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.

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 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.

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.

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.

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.

A storage device includes a substrate, at least one data storage element, a case, and at least one sensing pin. The substrate includes at least one security pad. The data storage element is mounted on the substrate. The case surrounds the substrate and the data storage element, and includes at least one contact structure for an electrical connection with the security pad. The sensing pin receives an electrical signal. A level of the electrical signal varies by detecting a change in a resistance according to whether the security pad is electrically connected to the contact structure. When at least a part of the case is removed, a level change of the electrical signal is detected, and a secure erase process for data stored in the data storage element is performed.

The invention discloses a cable processing design method and apparatus, an electronic device and a storage device. The method comprises the steps of obtaining an initial file with an electrical connection attribute; acquiring cable type selection data and end type selection data based on electrical connection attributes recorded in the initial file; and determining a cable processing style according to the electrical connection attribute, the cable type selection data and the end type selection data, and displaying the cable processing style in a cable processing diagram, and / or determining cable details according to the cable type selection data and the end type selection data, and displaying the cable details in a cable processing report. According to the method, the cable processing diagram and the cable detailed list are automatically generated by obtaining the electrical connection attributes and the cables and the end heads corresponding to the electrical connection attributes, and the design efficiency is improved.

The invention relates to the technical field of artificial intelligence, in particular to an electrical connection safety management and control method based on intelligent monitoring, which comprises the steps of data acquisition, time synchronization, quality evaluation, feature engineering and the like. According to the method, electric, thermal, mechanical, acoustic and other channels are placed on the same time axis through unified alignment and quality marking of multi-modal data and two-stage time synchronization and resampling, explicit marking is carried out on missing, noise and abnormal points, the weight of a subsequent algorithm can be reduced or skipped according to marks, and misjudgment caused by phase errors and dirty data is reduced.

The invention aims to provide an on-line monitoring device and a detection method for an electrical loop, and relates to a method and a system for dynamically calculating a conductor or contact resistance value and predicting a conductor or connection point degradation risk by acquiring current and voltage data of a conductor or an electrical connection point in real time, and a method and a system for dynamically analyzing a resistance change trend to determine a conductor or connection point degradation risk. Early warning of the health state of the conductor or the connection point is achieved, and the electrical fire prevention and control capability can be improved. The system comprises an electrical loop, a current detection module and a voltage detection module, the current detection module is arranged in the electrical loop to be detected, the voltage detection module is connected to the two ends of the electrical loop, and the current detection module and the voltage detection module are both in communication connection with a server through a data processing module and a networking module. The method is applied to the technical field of AC / DC power supply and distribution system electrical equipment / line resistance and electrical connection point contact state monitoring.

The invention belongs to the technical field of connectors, and particularly relates to an electric tricycle wire harness connecting structure. Comprising a butt joint piece which is divided into a connector A and a connector B which are oppositely arranged in a butt joint mode. A positioning damping device is arranged on the joint A; the two positioning square blocks are respectively mounted at the top and the bottom of the joint B; the positioning damping device comprises two positioning square boxes, and the positions of the positioning square boxes correspond to those of the positioning square blocks; openings of the two U-shaped pipelines are oppositely arranged and located on the two sides of the connector A correspondingly. The two ends of the U-shaped pipeline face the two positioning square boxes correspondingly, and auxiliary square columns are slidably connected into the U-shaped pipeline. Therefore, the service life of the connector, namely the butt joint piece, is prolonged, the stability of electrical connection is improved, the phenomena of heavy butt joint and light protection during use of the wire harness connecting structure are avoided, the butt joint piece is effectively protected, impact energy such as vibration and shaking during use can be absorbed by the buffer performance, and the service life of the connector is prolonged. Therefore, the limitation of the structure in use is reduced.

1. Name of this design product: Signal contact portion of an electrical connector. 2. Purpose of the product of this design: The purpose of the overall product is to serve as an electrical connector for electrically connecting various substrates inside electronic equipment; the local purpose for which protection is sought is to contact the signal contact portion of a mating electrical connector, thereby achieving signal conduction. 3. The key design feature of this design product lies in the shape of the part for which protection is requested. 4. The picture or photo that best illustrates the design points: Stereoscopic drawing 1. 5. Other situations that need explanation Other explanations: The enlarged view of part A is a partial enlarged view of part A in the stereoscopic figure 1, and the enlarged view of part B is a partial enlarged view of part B in the stereoscopic figure 2; the content drawn by dotted lines in this case represents the unprotected part.

The invention relates to the technical field of electromechanical coupling damage diagnosis, and discloses a wind and light storage system electromechanical coupling damage diagnosis method and system.The wind and light storage system electromechanical coupling damage diagnosis method includes the steps that according to geometric data, material attributes and load data of a welding point area, a finite element mechanical model is constructed, and stress distribution data is calculated; according to the environment data and the electrochemical data, a corrosion kinetic model is constructed, and corrosion product parameters are obtained; according to the corrosion product parameters, an elastic modulus degradation model is established, and an inherent frequency degradation value and vibration mode displacement are obtained; performing vibration response analysis on the junction box according to the inherent frequency degradation value and the vibration mode displacement to obtain a stress concentration coefficient; and inputting the electrical parameter variation and the stress concentration coefficient into a damage failure evaluation model to obtain a damage failure evaluation result of the electrical connection point. Through the multi-dimensional coupling model and the dynamic parameter closed-loop feedback mechanism, the electromechanical coupling damage assessment accuracy is effectively improved, and the operation safety and the operation and maintenance efficiency of the wind and light storage system are improved.

The invention relates to the photovoltaic field, in particular to a shockproof and waterproof photovoltaic connector, which comprises a male head main body and a female head main body, the female head main body and the male head main body are mutually plugged and matched, the outer wall of the plugging part of the female head main body is provided with a detachable middle lock nut, and the port of the plugging part of the female head main body is provided with an annular embedding groove. A sealing clamping ring is arranged in the annular embedding groove, the outer end of the sealing clamping ring abuts against the middle lock nut, and the inner ring of the sealing clamping ring is matched with the inserting portion of the male connector body in a limiting mode through a clamping structure. Axial movement of the sealing clamping ring is limited through the clamping structure, the middle lock nut abuts against the sealing clamping ring, the sealing clamping ring plays a good supporting and position limiting role on the middle lock nut, the male connector body and the female connector body are locked together through the middle lock nut, and the situation that the male connector body and the female connector body are loosened due to vibration, and water proofing fails is avoided; good waterproof and sealing effects of the connector are ensured, and electrical connection conductivity is more stable.

In a case in which an electronic pen main unit made into a cartridge is held movably in a casing, electrical connections between the electronic pen main unit and electronic circuit components of the casing are reliably established. The electronic pen main unit is fitted to a fitting part disposed in a casing of an electronic pen in which the pen tip side is made to be an opening and is housed in a state of being movable in a hollow part of the casing by a movement mechanism that moves the fitting part in the axial center direction of the casing. The electronic pen main unit includes a pen tip part including an electrically-conductive core body allowed to protrude to the external through the opening by being moved by the movement mechanism, a main body tubular part to which the pen tip part is joined on the pen tip side in the axial center direction and that houses an electronic circuit including a signal generating circuit that generates a signal to be sent out to the external through the core body, and a rear-end-part connector that is disposed at a rear end part of the main body tubular part on the side opposite to the pen tip part in the axial center direction, includes a terminal connected to the electronic circuit, and is joined to a connector for joining disposed at the fitting part of the casing.

1. Name of the designed product: electric connector. 2. Use of the designed product: for electric connection, data transmission. 3. Design points of the designed product: in shape. 4. Picture or photo that best shows the design points: design 1, perspective view 1. 5. Design 1 is designated as the basic design.

The invention provides a portable modularized electroencephalogram signal acquisition device which comprises an acquisition device host, the acquisition device host comprises a top shell assembly, a bottom shell assembly, a plurality of electrode units, a plurality of electrode wires, a first plug connector and a second plug connector, the top shell assembly is detachably connected with the bottom shell assembly, the electrode units are installed on the bottom shell assembly, and the first plug connector and the second plug connector are detachably connected. The electrode units are correspondingly connected with the electrode wires respectively, the ends, away from the electrode units, of the electrode wires are connected with the first plug connector, the second plug connector is installed on the top shell assembly, and the first plug connector is detachably connected with the second plug connector. According to the device, electrical connection points of all electrode units are highly integrated in the first connector, traditional complex operation of multi-point welding or multi-connector connection is replaced by the plugging action of the first connector and the second connector, and an integrated quick connection structure is formed. The most complex internal circuit connection steps are fundamentally simplified, and the assembly efficiency and reliability are greatly improved.

A controller of a product body is provided, and the controller includes a mounting body suitable for being mounted to the product body, and an operating body. In particular, an electrical connection assembly is arranged on both of the mounting body and the operating body, and configured for detachably conducting a circuit between the mounting body and the operating body; and an auxiliary connection assembly is arranged on both of the mounting body and the operating body, and configured for forming a detachable auxiliary connection between the mounting body and the operating body.

A ground fault circuit interrupter (GFCI) device includes a ground fault detection module for detecting a ground fault in a neutral line of a plurality of current carrying lines and generating a ground fault signal in response thereto, including a neutral line detection coil having a magnetic core made of a silicon steel and through which the current carrying lines pass; a leakage current detection module for detecting the ground fault signal and detecting a leakage current signal on the current carrying lines, and generating a zero sequence current fault signal in response to either signal; and a drive module for receiving the zero sequence current fault signal and driving a switch module to disconnect the electrical connection of the current carrying lines in response thereto. The GFCI device can avoid false tripping when high frequency currents flow through the current carrying lines, improving user experience and enhancing safety.

The invention discloses a ceramic-substrate-free power module, which relates to the technical field of power electronic devices and comprises a power terminal, a signal terminal, a first welding layer, a first electrical connection component, a second welding layer, a second electrical connection component, a chip, a third welding layer and an insulating integrated substrate, the edge of the first electrical connection part is provided with a bend with a certain radian; the insulating integrated substrate comprises a heat dissipation substrate, an insulating substrate and a metal electrical connection layer which are sequentially arranged from bottom to top. The invention further discloses a manufacturing method of the ceramic-substrate-free power module, the parasitic parameters of the power module can be reduced, the thermal resistance of the power module is reduced, and the overall performance is improved comprehensively.

The utility model provides an electrical connection structure of one or more sections of intelligent dimming films. The electrical connection structure specifically comprises a dimming film body, a flexible circuit board and a control unit. Wherein U-shaped long grooves are designed between independent circuits of the flexible circuit board, and air holes are formed in the conductive adhesive film layer connecting the dimming film body and the flexible circuit board. According to the design of the electrical conduction structure part of the dimming film, the ACF conductive adhesive lamination is used for replacing the solder paste welding technology, the risk of circuit pseudo soldering is avoided, special design is carried out on the FPC and the ACF conductive adhesive, the operation stability of the dimming film is improved, and the risks of short circuit and open circuit which are easily generated by circuit connection are avoided.