2144 results about "Electrical bonding" patented technology

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 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 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.

To electrically connect a plurality of wires to a crimp connection terminal.SOLUTION: In a crimp connection terminal 5, a connection end 5a, a conductor crimp part 5b, a coating crimp part 5c and a connection plate 5e are disposed successively from the front. Only a specified wire 2a of a flat type wire 1 extends long, a conductor 3 is peeled from an insulating coating layer 4 and crimped by the conductor crimp part 5b, and the insulating coating layer 4 is crimped and fixed by the coating crimp part 5c. Regarding wires 2b-2i other than the specified wire 2a of the flat type wire 1, conductors 3 thereof are peeled from the insulating coating layer 4, placed on the connection plate 5e and welded to the connection plate 5e. The wires 2a-2i are electrically connected to a mating connection end via the connection end 5a.SELECTED DRAWING: Figure 4

To specify a housing system comprising at least two openable, enclosed housings (1, 1') for receiving electronic components (7), wherein the housings (1, 1') each have a first connection side (A) with a coupling (12) arranged thereon, the coupling (12) having at least one sealed connector (2), and a second connection side (B) with at least one further connector (3) arranged thereon, wherein a watertight electrical connection can be established between each pair of housings (1, 1') by means of a mechanical connection of the coupling (12) of one housing (1) with the second connection side (B) of the other housing (1') and an interlocking of the connectors (2) of one housing (1) and the further connectors (3) of the other housing (1'), by means of which all necessary electronic components of external devices used on such vehicles, in particular measuring instruments and probes, can be modularly connected,Since the devices are simple, waterproof and robust in their construction and integration, allowing for easy exchange of external devices as well as electronic components or the simple addition of another device, it is proposed that the electrical connection enables the transmission of a power signal (4) and a data signal (5).

An electrical connector includes a male electrical plug, a female socket, a housing, and a control system. The male electrical plug, which is supplied with power, is electrically connected to the female socket. The housing contains the male electrical plug, the female socket, and a control system. The control system includes a temperature sensor and a transceiver with the temperature sensor sensing a temperature at a location within the housing and the transceiver transmitting a signal representative of the temperature to an alarm device remotely located from the electrical connector. The electrical connector can include one or more switches that are remotely controllable by the alarm device to interrupt the electrical connection between the male plug and the female socket.

The invention discloses a prefabricated branch fireproof cable with a copper metal shell and a preparation method of the prefabricated branch fireproof cable. The prefabricated branch fireproof cable comprises a copper metal main shell, the bottom of the copper metal main shell is communicated with a copper metal sub-shell, a main cable is installed in the copper metal main shell, and a branch cable is installed in the copper metal sub-shell; the main cable and the branch cable both adopt copper core conductors, and copper has high conductivity, so that resistance in a current transmission process can be reduced, electric energy loss can be reduced, electric energy transmission efficiency can be improved, and stable and efficient transmission of electric power to each electric device can be ensured; the nanoscale magnesium oxide insulation powder filled in the copper metal main shell and the copper metal branch shell has excellent insulation performance, can effectively isolate electrical connection between the main cable and the branch cable and the external environment and between the main cable and the branch cable and other conductors, prevents electric leakage and short circuit accidents, and improves the electrical safety of a cable system.

To provide a power supply device capable of securing an insulation distance from a terminal of a connector to which an external wiring is electrically connected, and a lighting fixture equipped with the same.SOLUTION: The power supply device 1 includes a connector 2, a power supply unit 3, a circuit board 4, a case 5, and a connector cover 6. The connector 2 has terminals 21 to which external wirings L1 electrically connected to the light sources are detachably attached, and which are electrically connected to the external wirings L1 in a state where the external wirings L1 are attached. The power supply unit 3 supplies power to the light sources via the connector 2 and the external wire L1. The connector cover 6 is attached to the inner peripheral edge 531 of the opening 53 of the case 5 and covers at least the terminals 21.SELECTED DRAWING: Figure 1

The invention discloses a bypass cable intermediate joint multifunctional state monitoring method, system and device and a medium, and belongs to the technical field of bypass cable joint monitoring, and the method comprises the steps: collecting time sequence data of an interface state through a self-powered wireless sensing node disposed in a bypass cable intermediate joint composite insulation interface, and wirelessly outputting the time sequence data; the electrical connection quality parameters and the plugging sequence numbers are synchronously obtained during each plugging operation to form a plugging event record; receiving time sequence data, a plugging event record and a real-time current value, and performing data alignment by taking a plugging event as a time anchor point to construct a multi-source time sequence data set; calculating a fluctuation index of value distribution of the state parameters based on historical data in a preset sliding time window according to the state parameters; and inputting the volatility index as a weight regulation factor into the health degree evaluation model, and outputting a comprehensive health index in combination with the actual value of the current state parameter. According to the invention, the safety of bypass operation and the intelligent level of equipment management are improved.

An induction cooktop comprises a cooktop surface, induction heating coils beneath it, a power supply with power semiconductors for the induction heating coils, and an external electrical connection. The power supply is located on a power circuit board, and the electrical connection is located on a connection circuit board. At least one cooling device is also provided, comprising at least one fan with a fan inlet for intake and a fan outlet for exhaust air to cool the power supply, a cooling air duct, and at least one heat sink to which the cooling air duct leads. In a vertical direction perpendicular to the cooktop surface and to one of the circuit boards, the fan is positioned lower than the heat sink.The connection circuit board runs below the power circuit board, the connection circuit board has an electrical connection to the outside, and the cooling air duct runs with a bend and deflection of 90° or 180° between the fan outlet and the heat sink.

The invention relates to the technical field of manufacturing of electronic components, and discloses an LCM (liquid crystal module) backlight FPC (flexible printed circuit) micro-deformation prevention method, which comprises the following specific steps: S1, implementing large-area copper laying design on an element surface of a flexible printed circuit board, and covering a main area of the element surface with uniformly distributed copper foils to form a continuous conductive layer with consistent thickness, while the conductive layer bears electrical connection of the LED light source, the surface reflection characteristic of the conductive layer is optimized, and the phenomenon of uneven light reflection caused by surface fluctuation is reduced. Through the large-area copper laying design of the element surface and the S-shaped isolation interval layout, thermal stress is effectively guided to be symmetrically distributed in multiple directions and offset each other, plane micro-deformation of the FPC under thermal circulation is remarkably restrained, the deformation quantity is controlled within 50 micrometers, the problems of stress concentration and deformation amplification caused by linear intervals in the prior art are solved, and the reliability of the FPC is improved. And long-term stability and optical performance of the backlight module are ensured.

The invention discloses an ultrasonic double-wave detection and monitoring method and an ultrasonic double-wave transducer, and the ultrasonic double-wave transducer comprises a piezoelectric element which is used for exciting a longitudinal wave signal and a transverse wave signal at the same time under the excitation of a single electric pulse; the backing layer is positioned on the back surface of the piezoelectric element and is used for absorbing longitudinal wave energy radiated to the back surface by the piezoelectric element; the matching layer is arranged between the piezoelectric element and the tested workpiece and is used for acoustic impedance matching; the electrical connection device is used for connecting an external excitation generator and receiving equipment; and the metal shell is used for packaging the piezoelectric element, the backing layer, the matching layer and the electrical connection device and is provided with a structure for applying pre-tightening force. According to the invention, dual-mode excitation is realized through a single piezoelectric plate structure, and the efficiency, precision and reliability of dual-wave ultrasonic detection are improved.

A leadless high-sensitivity all-quartz differential resonant pressure sensor chip comprises a quartz protection layer, the quartz protection layer is in bonding connection with a first quartz resonance layer, and the first quartz resonance layer, a quartz differential layer, a second quartz resonance layer and a quartz intermediate layer are in sealed connection through a glass frit bonding technology. The quartz middle layer and the quartz temperature sensing layer are in butt joint through a bonding technology, and the quartz temperature sensing layer and the quartz base are fixed through a glass frit bonding technology. After the conductive silver paste is subjected to high-temperature curing treatment, electrode signal conduction between the gold-plated lead columns and the first quartz resonance layer, the second quartz resonance layer and the quartz temperature sensing layer is realized; the differential output effect is remarkably improved, and conjugate interference is effectively restrained; the long-term stability of the vacuum sealing device is improved; the sensor sensitivity is improved; the reliability and the stability of electrical connection are improved; the problem of temperature measurement lag of an external temperature sensor is eliminated, and the precision of the sensor is further improved.

The invention discloses a plug-in type copper-aluminum wind power connector assembly and a connector, and relates to the technical field of electrical connection of wind power equipment, the plug-in type copper-aluminum wind power connector assembly comprises a male plug-in assembly and a female seat fixing assembly, and the female seat fixing assembly is arranged on one side of the outer wall of the male plug-in assembly; the male head plugging assembly comprises three wedge-shaped driving blocks, a miniature eccentric pendulum bob and a hard locking pin, the three wedge-shaped driving blocks adopt a double-inclined-surface design, the angle of an outer inclined surface in the double-inclined-surface design is 30 degrees, the angle of an inner inclined surface in the double-inclined-surface design is 15 degrees, and the three wedge-shaped driving blocks are used for double-wedge-shaped progressive locking; a memory alloy temperature sensing pad is embedded in one side of the outer wall of each of the three wedge-shaped driving blocks; through cooperative linkage of the male head plugging assembly and the female seat fixing assembly, the core defects that a traditional copper-aluminum wind power connector is unstable in contact, insufficient in anti-vibration protection, poor in environment adaptability and weak in installation compatibility are accurately overcome, and the requirements for low contact resistance, high vibration resistance, high environment adaptability and long service life in the wind power field are comprehensively met.

A first locking body includes a locking portion configured to lock a first locked body of a protective cover at a temporary holding position and hold it at the position, the first locked body includes a cantilevered flexible portion that is deflection deformable in an axial direction of a rotation shaft, and a locked protrusion that is locked to the locking portion at the temporary holding position, and is held at the position, and a locked protrusion) is provided with an input portion that, when a force is acted on an abutment position with the locking portion when the protective cover at the temporary holding position is turned in a closing direction, receives a reaction force of the force from the abutment position and deflection deforms the flexible portion to go over the locking portion.

The embodiment of the invention provides an antenna decoupling structure, an antenna array, electronic equipment and a vehicle, the antenna decoupling structure comprises a dielectric substrate, a metal floor arranged at the bottom of the dielectric substrate and an electromagnetic band gap structure unit arranged at the top of the dielectric substrate, and the electromagnetic band gap structure unit comprises a metal patch with a grounding metal hole. The grounding metal hole penetrates through the dielectric substrate and is electrically connected with the metal floor, electromagnetic coupling between adjacent antenna arrays is suppressed and the low-profile characteristic of the system is maintained through periodic arrangement and staggered layout of the electromagnetic band gap units, and the low-profile characteristic of the system is maintained while the electromagnetic coupling between the adjacent antenna arrays is suppressed; and the requirements of integration and miniaturization of modern communication terminals are met.

An electrical connection unit includes an electronic component including a terminal at a component end in a second direction, a routing board including a base member and a bus bar, and a connection component including a first portion having a first attachment hole and having a posture of standing in the first direction with respect to a first surface, and a second portion having a second attachment hole and protruding along the first surface from an end of the first portion on a first surface side, in which the position of the second attachment hole is shifted from the position aligned in the second direction with respect to the position of the first attachment hole in a plan view viewed from the first direction.

The embodiment of the utility model discloses a prefabricated connecting device for an elevator. The prefabricated connecting device comprises a building body structure, a corridor, an elevator shaft structure and a soft copper cable, the building body structure and the elevator shaft structure are both connected with the corridor; a power circuit is arranged on the outer side of the building structure and used for supplying power to users; the corridor is arranged between the building body structure and the elevator shaft structure and used for connecting channels of different floors; the elevator shaft structure is located on the outer side of the building body structure, vertically extends from the first floor to the top floor and is used as a running channel of an elevator. Path intersection exists between the elevator shaft structure and the power line; the soft copper cable is used for electrical connection at the intersection of the elevator shaft structure and the power line and penetrates through the inner wall of the corridor to be communicated with the power line. According to the embodiment of the utility model, potential safety hazards can be reduced, and the elevator and power lines can be conveniently and independently repaired and maintained.

The invention discloses a waterproof capacitive touch screen based on a PCB (printed circuit board) bonding pad and a transparent conductive film, which belongs to the technical field of touch screens and comprises a cover plate, a transparent conductive film sensor, a printed circuit board, an integrated connecting structure and a main sealing structure. The transparent conducting film sensor comprises a transparent base material, a capacitive sensing electrode pattern formed on the transparent base material, and a transparent conducting film bonding pad array which is electrically connected with the capacitive sensing electrode pattern and located in a non-visual area. And all electrical connection points are firmly packaged by the anisotropic conductive material and the main sealing structure, so that water vapor and electrolyte are fundamentally prevented from eroding channels, and the protection grade of IP67 and above is easily realized.

A first electrical connection box20 includes a housing body 31 open on an upper side Z1, a first terminal portion 50 provided in an edge part inside the housing body 31, a first side cover 70 arranged to project outward from the housing body 31 from a part corresponding to the terminal portion 50, and a fuse 92 provided inside the first side cover 70 and to be electrically connected between a third external power supply and the terminal portion 50.

The invention discloses a mechanical-electrical-sensing integrated quick-change interface and a quick-change method, and belongs to the technical field of mechanical engineering. The quick-change connector comprises a connector driving end, a connector driven end and a locking force increasing mechanism, and high locking force is achieved on the premise of miniaturization by adopting the principle that electromagnetic drive is combined with conical surface force increasing. The electrical connection and protocol conversion module integrates a tail end slave station, supports conversion of various communication protocols such as RS-485, CAN, EtherCAT and PWM, and realizes plug and play of a tail end tool; and the sensing module integrates a visual sensor and a six-dimensional force sensor and provides real-time environmental vision and force / torque feedback. Through deep integration of structure, electricity and sensing, the problems that an existing quick-change interface is complex in structure, poor in protocol compatibility and lack of autonomous sensing capacity are solved, and the flexibility, reliability and intelligent level of on-orbit fine operation of the space robot are remarkably improved.

An electrical busbar connector includes an electrically insulative connector housing with a cavity designed to accommodate an electrical busbar made of a first electrically conductive material and an electrical terminal attached to the busbar, which is composed of a second electrically conductive material distinct from the first. The connector further comprises a busbar seal that ensures a secure seal between the busbar and the connector housing, thereby enhancing the integrity and reliability of the electrical connection. This configuration allows for effective insulation and protection of the busbar and terminal, facilitating efficient electrical connectivity while minimizing potential for electrical faults or environmental contaminant ingress.

The invention relates to the technical field of electrical connection, in particular to a sectional wire harness connector rapid assembly and accurate adaptation method, which comprises the following steps of: constructing a core algorithm module, and outputting algorithm support data; modular parallel preassembly is executed, and a material verification qualification signal, crimping quality detection data and functional module preassembly positioning data are output; in combination with algorithm support data, precise adaptive docking is completed, and docking precision data and a multi-source error-proofing signal are output; fusing the algorithm support data, executing full-dimension segmented calibration optimization, and outputting calibration qualified data; crimping quality detection data, docking precision data and calibration qualification data are collected, and algorithm support data are combined to complete intelligent tracing and predictive maintenance. Four core algorithm modules are constructed to form algorithm support data, a closed-loop technical system is established, the assembly precision and the qualified rate are improved, the maintenance cost is reduced, and the requirements of a high-end electrical system are met.

The invention relates to the technical field of automobile ceiling machining, in particular to a novel integrated ceiling edge covering tool which comprises an assembling frame, an electrical control cabinet is assembled above the assembling frame, and a control panel electrically connected with the electrical control cabinet is assembled on the front side edge of the assembling frame; a driving top bin is integrally arranged at the top of the assembling frame, hoisting studs are hoisted between the bottom of the driving top bin and the upper portion of the assembling frame, an edge covering assembly is hoisted at the bottoms of the hoisting studs, and a driving assembly used for driving the hoisting studs to ascend and descend is assembled in the driving top bin; a guiding edge strip is assembled on the side edge of the edge covering assembly, an abutting and lifting assembly is assembled on the top of the side wall of the guiding edge strip, and a pressing and stroking assembly is assembled at the bottom of the side edge of the edge covering assembly. Through the hoisting stud, the edge covering assembly, the driving assembly, the guide edge strip, the abutting and lifting assembly and the pressing and stroking assembly, abutting and edge covering can be carried out while integrated auxiliary lifting is carried out according to use requirements, and the operation and use efficiency can be improved.

The utility model provides a waterproof connector, which relates to the technical field of connectors, and comprises a first shell, a second shell, a copper needle, a plug-in and a cable, and the first shell is detachably connected with the second shell; the number of the copper needles is multiple, and the copper needles are arranged on the first shell and used for being directly connected with the PCB in a welded mode, no extra connecting structure is needed, and connecting complexity and cost are reduced. And the plug-ins are arranged in the second shell, are in one-to-one correspondence with the copper needles and are used for establishing electrical connection between the copper needles and the cable, so that the installation operation is simplified, and the connection flexibility is improved. According to the utility model, the PCB and the cable can be directly connected without an additional connection structure, so that the connection between the cable and the PCB is more convenient and efficient. The overall structural design is compact and reasonable, cost is reduced, installation and operation are easy and convenient, and connection stability and reliability are improved. In addition, the first shell and the second shell are detachably connected, so that assembly and disassembly are facilitated.

The invention relates to a rudder controller-based embracing arm type anti-loosening device which comprises a shell, a cover plate is arranged at the top of the shell, a connector is arranged at the top of the cover plate, a PCB is fixedly connected to the interior of the shell, first mounting columns are fixedly connected to the left side and the right side of the top of the cover plate, and second mounting columns are arranged at the bottoms of the first mounting columns; a cushion block is arranged outside the first mounting column, a clamping hole is formed in the outer portion of the cushion block, a mounting assembly used for conveniently assembling the second mounting column into the first mounting column is arranged at the top of the second mounting column, and two clamping blocks are fixedly connected to the outer portion of the mounting assembly. Through cooperation of the cushion blocks made of insulation polyether-ether-ketone resin, the precisely fixed PCB, the cover plate, the connector and other structures, the effects of precise electrical connection and stable overall structure are achieved, the cushion blocks and the first mounting columns form holding arm type clamping connection through the clamping holes, the bottoms of the cushion blocks make contact with the PCB, electrical interference is isolated through the insulation performance, and the service life of the PCB is prolonged. And meanwhile, high-strength stable support is provided.

According to the high-integration-level high-voltage switch module provided by the invention, components such as the main contactor, the pre-charging contactor, the pre-charging resistor, the voltage / current acquisition module and the main control chip are integrated, internal electrical connection is carried out through the internal PCB and the cable, and finally integral packaging is carried out. The packaged switch module has the functions of main power supply control, pre-charging, current and voltage acquisition and communication, can realize integral direct insertion installation, only has two high-voltage interfaces and one communication control interface for external electrical connection, is especially suitable for a multi-path output control scene of a high-voltage control box, and has a wide application prospect. A corresponding number of switch modules are selected for configuration according to actual requirements, so that flexible expansion of the system is realized, the integration level of the high-voltage control box is remarkably improved through the standardized design, and an efficient and reliable solution is provided for application in related fields.

The invention discloses a primary and secondary fusion built-in isolation knife circuit breaker, and relates to the field of primary and secondary fusion power distribution equipment for a power distribution network, the primary and secondary fusion built-in isolation knife circuit breaker comprises a pole-mounted circuit breaker and a mechanism box, the body of the pole-mounted circuit breaker is integrated with three current transformers, and the mechanism box is fixedly connected to one side of the pole-mounted circuit breaker; three electrical interface holes used for containing current transformers are formed in the box wall of the mechanism box, an isolation disconnecting link unit is arranged in the mechanism box, the isolation disconnecting link unit is internally arranged and integrated in the mechanism box, the isolation disconnecting link unit and a pole-mounted circuit breaker form an integrated design, the overall structural layout is greatly simplified, the structure is simple, and the cost is low. And the three current transformers integrated on the pole-mounted circuit breaker body are directly butted with the moving contact mechanism through the electrical interface holes preset in the mechanism box, so that the connection is convenient, the contact between the electrical connection part and the external environment is reduced, the erosion of environmental factors such as outdoor wind and rain, dust, corrosive gas and the like is effectively isolated, and the operation stability is ensured.

The utility model relates to the technical field of electric power operation equipment, and discloses a convenient quick-connection type multifunctional insulation operating rod which comprises a connecting base, two limiting locking blocks which are annularly distributed at equal intervals are fixedly connected to the outer side wall of the connecting base, and two locking bars which are annularly distributed at equal intervals are fixedly connected to the outer wall of one end, close to the limiting locking blocks, of the connecting base. The top of the connecting base is provided with an annular contact ring groove, the bottom of the inner wall of the contact ring groove is provided with eight springs which surround in an annular mode at equal intervals, and the tops of the springs are fixedly connected with contact rings. Through mutual cooperation of the structures, the insulation operating rod achieves the advantages of being fast and stable in connection, stable in electrical connection, capable of achieving a fine adjustment locking function, stable in supporting and the like; and the operation burden is relieved, the flexibility and adaptability of operation are improved, and the device is more practical.

This product is mounted with the bottom side facing the mounting surface of the printed wiring board, and is used by fitting a compatible mating FPC from the front side, making it a connector that provides electrical connection.