1978 results about "Electric contact" patented technology

The invention discloses a method for measuring the interface contact force of a bolt joint, which comprises the following steps of: establishing a relational expression between the contact surface area of a bolt and a base material and the interface contact force of the bolt joint according to different bolt thread types, and associating the interface contact force of the bolt joint with electric contact to construct a bolt thread force-electric contact model; the interface contact force of the bolt joint can be calculated through easily obtained physical parameters, so that the contact force distribution of the connecting piece can be quickly and effectively analyzed and measured, and meanwhile, the use condition of the connecting piece is evaluated.

A cradle for a mobile device includes a cradle base defining a docking button indentation having an indentation perimeter for receiving a docking button disposed on, or coupled to, a back surface of the mobile device or of a case containing the mobile device, the docking button having a lateral cross-sectional shape complementary to the indentation perimeter; a bottom device receiver coupled to the cradle base, the bottom device receiver including electrical contacts for making contact with contacts on the mobile device or the case containing the mobile device; and a latch coupled to the cradle base and manually moveable between a latched position and an unlatched position, wherein, in the latched position, the latch directly engages the docking button and, in the unlatched position, the latch disengages from, or is not engage with, the docking button to permit loading or unloading of the mobile device on the cradle.

A charging hub for a base station configured to receive an unmanned aerial vehicle (UAV) during docking. The charging hub includes electrical contacts that are configured for electrical connection to the UAV and a wick that is configured to draw water away from the electrical contacts.

The utility model is suitable for the field of photovoltaic technology, and provides an electrode structure of a back contact cell, a cell piece and a solar cell module, and the electrode structure comprises a main grid which is closest to a first edge of the back contact cell; the first connection grid line is connected with the main grid, the pad point and the main grid are arranged at intervals in the first direction, the first end of the second connection grid line is in electric contact with the pad point, the second end of the second connection grid line extends in the second direction, and the first direction intersects with the second direction. When the welding strip is arranged on the battery piece and connected with the pad point, the welding strip extends to the second connecting grid line, so that burrs on the edge of the welding strip are blocked by the second connecting grid line, the burrs on the edge of the welding strip are prevented from directly puncturing the insulating paste to be communicated with the opposite grid line, and the second connecting grid line plays a role in protecting the battery piece. The risk of local short circuit of the battery piece is avoided, and the yield of the battery piece can be effectively improved.

A semiconductor device structure, along with methods of forming such, are described. The structure includes a first source / drain (S / D) region disposed over a substrate, a second S / D region disposed over the substrate, a dielectric wall disposed between the first and second S / D regions, a first conductive contact disposed over and electrically connected to the first S / D region, a second conductive contact disposed over and electrically connected to the second S / D region, and a first dielectric material in contact with the dielectric wall. The first dielectric material has a top surface located at a first level between a top surface of the first conductive contact and a bottom surface of the first conductive contact, and the first dielectric material extends from the first level to a second level located below the bottom surface of the first conductive contact.

A vaporizer cartridge has a cartridge case defining a case interior and being sized and configured for mating with a cartridge receiver. A flow passage within the case interior extends from a cartridge air inlet to a mouthpiece exit port. The vaporizer cartridge has a liquid reservoir, a resistive heating element, and a liquid transport structure. The resistive heating element has a central heating portion in electrical communication with two electrical contact tabs. The central heating portion is positioned adjacent the flow passage. The contact tabs extend outside the cartridge case and are configured for engagement by electrical contacts of the cartridge receiver when the cartridge case is mated to the cartridge receiver. The fluid transport structure has an intake surface and an outflow surface adjacent or in contact with the heating element and is configured for transfer of liquid from the reservoir to the outflow surface.

An intelligent door opening and closing device for a holding furnace of a low-pressure casting machine is characterized by comprising an intelligent recognition mechanism, a heat insulation furnace door mechanism, a spinning mechanism, a door opening mechanism and a control mechanism. The high-temperature-resistant vacuum box which is slightly smaller than the liquid adding opening and provided with the glass surface is adopted to replace an existing ceramic plate, the heat insulation effect of the heat insulation furnace door is improved, and energy consumption is reduced; the six spinning oil cylinders arranged on the furnace shell on the periphery of the liquid adding opening are used for pressing and sealing the heat-insulation furnace door, the pressure needed for pressing and sealing the heat-insulation furnace door is met, screw spinning is replaced, air leakage of a sealing strip is avoided, and the requirement for automation of pressing and sealing the heat-insulation furnace door is met; an electric contact pressure gauge arranged on a heating pipe housing on one side of the low-pressure furnace and an intelligent recognizer with a cooling fan and a cooling fan cover on an intelligent recognizer frame are adopted, and when the electric contact pressure gauge confirms that the heat preservation furnace has no pressure and the intelligent recognizer confirms that the position of a liquid adding bag is correct, liquid is automatically added into the heat preservation furnace; the method is suitable for black lamp production, reduces the casting production cost, and meets the requirements of black lamp production.

A method of fabricating an optoelectronic component, performed on a multi-layered wafer disposed on a substrate. The method comprises the steps of: etching the multi-layered wafer, thereby defining a slab and a multi-layered ridge, the slab having an upper surface below the ridge and being located between the multi-layered ridge and the substrate; selectively epitaxially growing a III-V semiconductor cladding adjacent to a first and second sidewall of the ridge, the cladding layer extending from the upper surface of the slab along the first and second sidewalls, and thereby cladding an optically active waveguide within the multi-layered ridge; and providing a first and second electrical contact, which electrically connect to a layer of the multi-layered ridge and the slab respectively.

An aspect of the present disclosure is directed to a connector. The connector is suited to connectorizing exactly two conductors. The connector includes a forward connector body, a rear connector body, a metal frame and exactly two electrical contacts. The rear connector body interfaces with the forward connector body. Further, the metal frame, which includes a shielding interface, surrounds at least a portion of both the forward and rear connector bodies. The electrical contacts extend from the rear connector body into the forward connector body. A first of the electrical contacts is electrically coupled to a first conductor of a shielded cable and the second of the electrical contacts is electrically coupled to a second conductor of the shielded cable. The shield interface of the metal frame is electrically coupled to the shield of the shielded cable.

Disclosed herein are microelectronic structures including bridges, and related assemblies and methods. In some embodiments, a microelectronic structure may include a substrate with first and second metal layers; a cavity in the substrate, where a portion of the first and second metal layers, are exposed with the portion of the first metal layer partially overlapping the portion of the second metal layer; and a bridge component in the cavity, having a first conductive contact at a first face and a second conductive contact at a second face opposing the first face, the second face towards a bottom surface of the cavity, the portion of the first metal layer is between the second face of the bridge component and the portion of the second metal layer, and the second conductive contact is electrically coupled to the portion of the second metal layer in the cavity.

The present application discloses a cell structure of a super flash comprising: a word line gate, a floating gate, a control gate, and an erase gate. The floating gate comprises a first TiN layer located on a side face of the control gate and a second polysilicon layer formed at the top of the first TiN layer. The second polysilicon layer is in electric contact with the first TiN layer. The erase gate is located at the top of the second polysilicon layer, and the erase gate and the floating gate are spaced from each other by a second inter-gate dielectric layer therebetween. During erasing, the top angle of the second polysilicon layer generates point discharge, thereby reducing an erasing voltage. The present application also discloses a method for manufacturing a super flash.

The invention relates to the field of electro connecting pressure gauges, in particular to an electro connecting pressure gauge with an alarm function, which comprises an external pipeline connected with an external pressure pipeline, the outer end face of the external pipeline is fixedly connected with a dial plate, and a transparent shield is embedded and matched on the dial plate; the pointer adjusting mechanism is used for adjusting the position of the pointer, and the pointer adjusting mechanism is arranged in the center of the transparent shield; the pointer mechanism is used for carrying out alarm processing when an upper limit is exceeded or a lower limit is lower, and the pointer mechanism is arranged on the dial plate and is protected by the transparent protective cover; wherein the pointer adjusting mechanism comprises a circular groove, the circular groove is formed in the top of the transparent protective cover, and according to the electric contact pressure gauge with the alarm function, a friction damper (such as metal sheet contact friction) is arranged on a reset path, vibration energy is consumed through friction, and impact and residual vibration of the second bourdon tube in the reset process are reduced.

The invention discloses high-voltage wiring harness connector terminal fretting wear test equipment which comprises an equipment base, a high-frequency vibration exciter and a lifting platform are mounted on the equipment base, and a mounting platform is arranged at the top of the lifting platform; a left test piece mounting loading mechanism and a right test piece mounting force measuring device are arranged on the mounting platform. The device can realize a multi-physics field coupling test, current-carrying friction and arc erosion of an electric contact surface in a real working condition are simulated by combining a current load with high-frequency mechanical wear, and the electric-mechanical coupling wear characteristic of a new energy automobile charging terminal is accurately reproduced. The device supports the dynamic adjustment of normal load, simulates the contact pressure change of the left and right test samples of the test terminal in the plugging process through the test sample pin and the test sample jack, can be used for researching the relevance between the fretting wear and the contact resistance of the test terminal under different loads, and realizes the test of the terminal under complex working conditions in a laboratory environment. The test process is convenient, efficient and accurate, and the test cost and the test period are greatly reduced.

The invention discloses a reciprocating cutting tool which comprises a base, a battery pack, a guide connecting structure and a linkage shielding mechanism. The base is provided with an electric contact, the battery pack is detachably connected with the base, the guide connecting structure is arranged between the battery pack and the base to guide installation, and the linkage shielding mechanism comprises an action input piece, a mechanical locking assembly and a shielding piece. When the battery pack is in an initial mounting state, the shielding piece is positioned at the shielding position to physically cut off the electric contact; when the action input piece is operated, the action input piece is linked with the mechanical locking assembly and the shielding piece, the mechanical locking assembly is firstly driven to enable the battery pack and the base to be completely mechanically locked, and then the shielding piece is driven to move to the open position to expose the electric contact to establish electric connection. The reciprocating cutting tool is provided with an accurate guiding installation and sequential linkage mechanism, so that part abrasion is reduced, connection reliability is improved, and safety risks caused by a semi-connection state are avoided.

A transport bag includes a closure device for detachably connecting the front wall to the rear wall in the closure state for receiving the conveying good and for releasing the connection from the closure state into the open state for releasing the conveying good. The locking of the closure device is performed with the aid of an electric drive. The reversible closing lock is achieved with the aid of the spring of the solenoid. For the opening of the closure device, the solenoid is switched for a short time and the reversible closing lock is released. The switching takes place in the unloading station by supplying electric current to the electric contacts with the aid of the electric switching contacts of the unloading station.

The invention discloses a super-fusion pole-mounted switch device, belongs to the technical field of switch devices, and discloses the super-fusion pole-mounted switch device which comprises a switch body, a power taking unit and a feeder terminal. The switch body comprises a deep fusion solid-sealed polar pole which is integrally poured, a vacuum arc extinguish chamber, an isolating switch contact and a voltage and current sensor are integrated in the switch body, and the electricity taking unit supplies power to the deep fusion solid-sealed polar pole through a separable spring electric contact structure; the feeder terminal is embedded in the switch box body and is operated in a hot-line mode through a special operating rod. The invention further provides a transient electromagnetic interference suppression module which is used for eliminating electromagnetic interference in the equipment. The CLC topological power taking unit can adapt to multiple working conditions; the state monitoring module is fused with multi-source data to diagnose faults, and the problems that an existing primary and secondary fusion column switch is low in fusion degree, weak in anti-electromagnetic interference, poor in electricity taking reliability and low in intelligence are solved. The equipment can supply power to the 10kV power distribution network intelligently, the reliability is improved, and the operation and maintenance cost is reduced.

A charging coupling for connecting a robotic mower to a charging station, comprising a first charging contact provided on the robotic mower and a second charging contact provided on the charging station. The first charging contact comprising a recess with two side walls substantially perpendicular to a mowing surface of the robotic mower, each side wall is provided with an essentially rectangular resilient metal plate. The second charging contact comprising a protruding part configured to fit in the recess of the first charging contact and has two sides facing the two side walls of the recess of the first charging contact when in contact. Each side of the protruding part is provided with metal plates with its sharp side facing the surface of the resilient metal plates of the first charging contact, when in contact.

The invention provides a device and a method for testing the corrosion resistance of a silver coating of a high-voltage isolating switch in a coastal electromagnetic environment. The device comprises a salt mist box connected with a power supply, an electric field generator, a magnetic field generator, a camera, a PLC (Programmable Logic Controller) control module and an acquisition and analysis module, the PLC control module is used for collecting environmental data and images shot by the camera, and regulating and controlling the salt mist box, the electric field generator and the magnetic field generator to simulate industrial atmosphere in a coastal electromagnetic environment based on the environmental data; and the acquisition and analysis module is used for analyzing the environmental data and images acquired by the PLC control module to obtain the corrosion resistance grade of the electrical contact sample. The device can simulate salt mist concentration, temperature and humidity, pollutants and an electromagnetic field during operation of high-voltage equipment in the coastal industrial atmospheric environment, comprehensively reproduce the actual service environment of the silver coating of the electrical contact of the high-voltage isolating switch, simulate the actual operation condition, evaluate the corrosion resistance of the silver coating of the electrical contact under the complex environmental condition, and improve the service life of the electrical contact. And linkage adjustment of multiple test parameters can be realized.

A hot-swappable battery system for computer peripherals includes a wireless mouse having a battery compartment, a battery connector assembly mounted within the battery compartment, a removable battery configured to be inserted into and ejected from the battery connector assembly, a keep-alive battery mounted within the wireless mouse, and a docking station. The battery connector assembly includes electrical contacts and a push-push ejector mechanism. The keep-alive battery is electrically connected to provide backup power when the removable battery is removed. The docking station has a battery slot configured to receive and charge the removable battery when not in use in the wireless mouse. The system enables continuous operation of the wireless mouse while battery swapping between the mouse and docking station.

A valve including a housing, a motor within the housing, and a pinout configuration with an electrical contact. The electrical contact is configured to receive and transmit signals. The valve also includes a motor controller that receives power at the valve, receives a control message, and characterizes the control message as a first type. In response to characterizing the control message as the first type, the motor controller controls the motor to set the valve to a first position in response to determining that the electrical contact is electrically closed and controls the motor to set the valve to a second position in response to determining that the electrical contact is electrically open.

An onboard charging system configured for installation on a rail vehicle is provided, comprising: one or more current collection contacts; a battery, electrically connectable to the one or more current collection contacts; and an onboard charging controller having a wireless communications interface. The onboard charging controller is configured to: establish a secure wireless communication connection with a first trackside charging controller; and responsive to determining that the one or more current collection contacts have been brought into electrical contact with corresponding trackside charging contacts: instruct the first trackside charging controller, via the secure wireless communication connection, to provide a first current via the one or more trackside charging contacts.

A system includes a wire-holding fixture configured to be received in an EP station. The wire-holding fixture comprises terminals, and each terminal is electrically coupled to a respective working wire of a plurality of working wires. The working wires extend away from the wire-holding fixture. A set of EP stations is included, and each EP station is configured to receive the wire-holding fixture. A container is configured to hold an electropolymerization solution and positioned beneath the EP station such that the working wires is immersible. A board comprising a plurality of electrical contacts is included, and each electrical contact is configured to electrically engage a corresponding terminal. A controller is configured to apply a voltage to the working wires through the respective terminals and electrical contacts to initiate electropolymerization of the material from the electropolymerization solution to form a polymer layer on each working wire.

The application relates to the technical field of image forming, in particular to a conductive component, a process cartridge and an image forming device. The conductive component is arranged on the process cartridge or the image forming device. The process cartridge is detachably mounted into the body of the image forming device. The mounting direction of the process cartridge is a first direction. The conductive component comprises: a plurality of conductive pieces, the conductive pieces are used for realizing the electrical connection between the power supply piece of the image forming device and the load piece of the process cartridge, and at least one load piece comprises a roller piece; the conductive piece comprises an electric contact point, the electric contact point is used for contacting the power supply piece to access the power supply; wherein at least two of the plurality of electric contact points are arranged at intervals along a second direction; the second direction intersects with a third direction and the first direction; and the third direction is parallel to the axial direction of the roller piece. In conclusion, the technical scheme provided by the application can reduce the number of electric contact point scratches and improve the power supply stability.

This utility model discloses a plate moving device suitable for a long rectangular table. It includes a base with a racetrack-shaped extension path, adapted to be placed above the long rectangular table. The base has at least one rack arranged along its extension direction and at least one conductive strip powered by a power source. Multiple sliders are slidably mounted on the base, with connecting members between adjacent sliders. At least one slider is equipped with a drive component and an energized contact, which abuts against the conductive strip. The drive component includes a drive motor and a gear linked to the drive motor. The conductive strip is electrically connected to the drive motor, and the gear and rack mesh. Because the base has a racetrack-shaped extension path, this utility model can be easily placed above a long rectangular table, is easy to install, and has low purchase cost. Through reasonable design of the base, sliders, and connecting members, all sliders can smoothly move in a straight line and around curves along the base's extension path, making it highly practical.

A set of audio headphones operatively coupled to an information handling system includes a digital signal processor (DSP), a headphone power management unit (PMU) to provide power to the DSP, a first ear cup with a first speaker and a second ear cup with a second speaker operatively coupled to each other via a headband, and a mouth privacy cover operatively coupled to the first ear cup at a first end of the mouth privacy cover and operatively coupled to the second ear cup at a second end of the mouth privacy cover, the mouth privacy cover having a microphone built into the mouth privacy cover and operatively coupled to the DSP via a cover receiver with electrical contacts formed on the mouth privacy cover and interfacing with ear cup contact pads formed on at least one of the first ear cup and second ear cup.

The embodiment of the utility model relates to the photovoltaic field, and provides a back contact battery and a photovoltaic module, and the back contact battery comprises a substrate which is provided with a first surface and a second surface which are oppositely arranged; p-type doped conductive layers and N-type doped conductive layers, wherein the P-type doped conductive layers and the N-type doped conductive layers are alternately arranged on the second surface at intervals; the plurality of first fine grids are arranged on the second surface at intervals along the first direction, and the first fine grids are in electric contact with the P-type doped conductive layer; the plurality of second fine grids are arranged on the second surface at intervals along the first direction, the second fine grids and the first fine grids are alternately arranged along the first direction, and the second fine grids are electrically contacted with the N-type doped conductive layer; wherein in the first direction, the width of the first fine grid is smaller than that of the second fine grid, and the ratio of the width of the first fine grid to the width of the second fine grid is 0.7-0.99. The embodiment of the utility model at least can improve the performance of the back contact battery.

A power rail connector for an electric power system in an electric machine includes a linkage having a lower link and an upper link, and a rail contactor coupled to the lower link and including electrical contacts positioned to electrically connect to a power rail. The linkage includes a fold joint, a lift joint, and a pivot, and is adjustable from an extended, current-collecting configuration to a collapsed configuration via rotation of the lower link relative to the upper link and rotation of the upper link relative to the pivot. Related machinery and methodology is also disclosed.

A power module, for power electronics of a vehicle, having two DC busbars and three phase busbars which are disposed between the two DC busbars, and a plurality of power semiconductors, each of which is disposed between one of the DC busbars and one of the phase busbars, and power electronics having at least one such power module, and a vehicle having such power electronics. The DC busbars and the phase busbars are electrically insulated from one another and in each case have at least one cooling duct through which a dielectric fluid flows, at both open ends each of the DC busbars and the phase busbars having at least one plug-in electrical contact connection and at least one plug-in fluid connection that in each case form a combined plug-in connection, so that multiple power modules are connectable to each other in fluid-tight fashion using plug connections.

A semiconductor device for use in a sensor device has a deformable membrane for the measurement of an acceleration, a vibration, or a pressure. The semiconductor device includes a deformable membrane having a membrane border; a structure holding the deformable membrane in correspondence of the membrane border; at least one electric contact to obtain an electric signal indicative of deformation of the deformable membrane; and mass elements suspended from the membrane.