4633 results about "Electrical contacts" patented technology

The present disclosure is to provide a cylindrical secondary battery that facilitates connecting a busbar by having both positive and negative electrodes on one side, and that has highly reliable electrical contact between an electrode assembly and a case. To that end, the present disclosure provides a secondary battery comprising: an electrode assembly; a case for housing the electrode assembly; a current collector plate welded to the electrode assembly and case; and a cap plate, located above the current collector plate, for sealing the case.

Provided are a solar cell, a method for preparing a solar cell, and a photovoltaic module, relating to the field of photovoltaics. The solar cell includes a substrate, a dielectric layer and a doped semiconductor layer which are stacked, a passivation layer, and electrodes. The substrate has a first surface. The first surface includes an edge region and a center region. The edge region surrounds the center region. The edge region is substantially flush with or closer to the second surface than the center region. The dielectric layer is formed over the center region. The passivation layer covers the edge region and a surface of the doped semiconductor layer facing away the dielectric layer. The electrodes are located in the center region, and penetrate the passivation layer in a thickness direction to be in electrical contact with the doped semiconductor layer.

Provided is a back-contact solar cell. The back-contact solar cell includes: a substrate having first doped regions, second doped regions and gap regions arranged on the substrate; first doped semiconductor layers located on the corresponding first doped regions; second doped semiconductor layers located on the corresponding second doped regions, a conductive type of a second doping element within the second doped semiconductor layer is different from that of a first doping element within the first doped semiconductor layer; a conductive layer located on part of the gap region; a passivation layer covering the first doped semiconductor layers, the second doped semiconductor layers, the conductive layers and the gap regions; first electrodes in electrical contact with the first doped semiconductor layers; and second electrodes, in electrical contact with the second doped semiconductor layers.

The invention relates to a negative-wear super-wear-resistant current-carrying friction pair material which is a conductive lubricating film which is constructed in situ and stably exists under a current-carrying friction condition, and the current-carrying friction pair material is composed of Ga-based liquid metal, a Mo coating and an Al alloy bolt. Through cooperation of friction pair materials, a friction interface reaction is adjusted to generate a conductive lubricating film, and excellent lubricating and wear-resisting properties are achieved; in a large voltage and current range, the average friction coefficient is always maintained to be 0.25 or below, the existence of the lubricating film enables the surface to present negative wear, and the average negative wear rate is 1.28 * 10 <-6 > mm < 3 > / Nm or above. The obtained material is suitable for application in the field of electric contact industry and provides lubrication and wear protection for the surfaces of mechanical parts.

The invention relates to the photovoltaic field, and provides a back contact cell and a photovoltaic module, the back contact cell comprises a substrate, a first passivation layer, a plurality of isolation parts, a first doped conductive layer, a second doped conductive layer, a first electrode and a second electrode, the first passivation layer is located on a first surface of the substrate; the plurality of isolation parts are arranged on the surface, deviating from the substrate, of the first passivation layer at intervals; doped elements in the first doped conductive layer and doped elements in the second doped conductive layer have different conductive types; the first electrode is in electrical contact with the first doped conductive layer; the second electrode is in electrical contact with the second doped conductive layer; the orthographic projection of the isolation part on the second surface is separated from the orthographic projection of the first electrode on the second surface, and the orthographic projection of the isolation part on the second surface is separated from the orthographic projection of the second electrode on the second surface. The performance of the back contact battery can be improved at least, and the structural stability of the stacked back contact battery is improved.

The invention relates to a response performance test method and system of a microswitch. The method comprises the following steps: inputting a multi-pulse trigger sequence to a microswitch contact and collecting contact response original data; performing digital filtering processing on the contact response original data to obtain contact response time sequence data; comprehensive response time parameters including contact mechanical action starting time, electrical initial contact time and electrical stable contact time are calculated according to the contact response time sequence data; performing temperature compensation and contact rebound characteristic extraction on the comprehensive response time parameter to obtain contact rebound characteristic evaluation data; according to the contact rebound characteristic evaluation data and the comprehensive response time parameter, the response performance stability of the microswitch under the high-frequency operation condition is calculated, and a reliability evaluation result is generated. According to the invention, the problem of time sequence measurement error caused by the influence of contact jitter in the traditional test is effectively solved, and the accuracy and consistency of contact response time measurement are remarkably improved.

The invention relates to a method for preparing a carbon nanotube reinforced copper-silver-based electrical contact composite material based on a liquid phase atomization method, and belongs to the technical field of electrical contact preparation. The preparation method comprises the following steps: carrying out hot pressed sintering on mixed powder of reinforcement powder, copper powder and silver powder, solidifying the powder to form an Ag-coated CNTs / Cu-Ag composite material block, and then preparing the Ag-coated CNTs reinforced Cu-Ag-based electrical contact composite material through a process route of solid solution, extrusion and aging. The preparation method disclosed by the invention is simple to operate and stable in preparation process, and the mechanical and electrical properties of the prepared composite material can respectively reach 157HV and 103% IACS (International Annealed Copper Standard) and above; according to the method, ablation and damage of the surface of the electrical contact in the working process are relieved, the viscosity of a molten pool is increased, the contact resistance in the electrical contact process can be reduced, the current concentration phenomenon and the temperature rise effect at a contact point can be relieved, the mass loss of an electrical contact material is reduced, the maintenance cost is reduced, and the method has good application prospects in the field of electrical contact materials.

A slidable current collector has an array of terminals with carbon brushes for contacting conductor rails to deliver electrical power to a moving work machine. The terminals have upper sections with a conductive post, lower sections that include a reservoir of liquid metal, and bladders that connect the upper sections with the lower sections. Magnets surround outer shells of the terminals. Fluid above a threshold pressure fed into the bladders holds the upper sections apart from the lower sections and forces the magnets away from the conductor rails. Fluid below the threshold pressure allows the magnets to clamp the terminals to the conductor, lowers the conductive post into the liquid metal, and urges the carbon brushes against the conductor rails. The bladders provide a fluid suspension distributed across the array of terminals, enabling consistent electrical contact and wear for the carbon brushes.

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 invention provides a wafer detector, a preparation method thereof and a wafer detection circuit, which can be applied to the technical field of wafer detection. The wafer detector comprises a substrate; the plurality of pairs of electrodes are arranged on the substrate along a first direction; wires respectively led out from each of the plurality of pairs of electrodes on the substrate; a cilia structure is arranged on each electrode in the plurality of pairs of electrodes, a conductive layer electrically connected with the corresponding electrode is arranged on the surface of the cilia structure, and when the cilia structure sweeps the electrode to be detected in the MicroLED wafer from the side direction of the electrode to be detected in the second direction, the conductive layer is electrically connected with the electrode to be detected. The cilia structure has rigidity, so that the cilia structure is in electric contact with the to-be-detected electrode through deformation. When the wafer detector is used for detecting the to-be-detected MicroLED wafer, the wafer detector does not need to be pressed down and lifted up repeatedly, and the to-be-detected MicroLED wafer can be measured at a high speed through horizontal movement only by aligning at an initial position once.

The invention belongs to the technical field of solar cells, and relates to a perovskite laminated cell and a preparation method thereof, the perovskite laminated cell can reduce light parasitic absorption, the perovskite laminated cell comprises a bottom crystalline silicon cell, the bottom crystalline silicon cell comprises a substrate, the substrate comprises a first surface and a second surface which are opposite to each other, a first tunneling oxide layer and a first composite passivation layer are sequentially arranged on the first surface in the direction perpendicular to and away from the first surface, and the first composite passivation layer comprises first doped crystalline silicon conductive regions and first wide-band gap conductive regions which are alternately arranged in the direction parallel to the first surface; the top perovskite cell is arranged on the first composite passivation layer and is electrically connected with the bottom crystalline silicon cell, and the top perovskite cell comprises a hole transport layer, a perovskite active absorption layer, an electron transport layer, an interface buffer layer, a transparent conductive layer and an anti-reflection layer which are sequentially far away from the first composite passivation layer; and a first electrode in electrical contact with the transparent conductive layer.

A semiconductor device package includes an electronic component, an electrical contact and a reinforcement layer. The electronic component has a first conductive layer on a first surface of the electronic component. The electronic component has a through-silicon-via (TSV) penetrating the electronic component and electrically connected to the first conductive layer. The electrical contact is disposed on the first surface of the electronic component and electrically connected to the first conductive layer. The reinforcement layer is disposed on the first surface of the electronic component.

The present disclosure relates to a module (100) for generating signals, in particular signals for opening vehicle doors or flaps. The module (100) includes: a one-piece housing (102) having a plug region (106) and a switch region (104); at least one switch, in particular a microswitch (108), which is connected releasably to the switch region (104) of the housing; and electrical contacts (110, 112), which are releasably connectable to the at least one switch and extend from the switch region (104) at least partially into the plug region (106). The electrical contacts are configured in order to produce an electrical contact with an on-board plug for transmitting an electrical signal, wherein the housing (102) is preferably releasably connectable to a vehicle component, preferably an operator element housing, and particularly preferably a door lever housing.

A nanosheet semiconductor structure including a self-aligned backside contact, and a gate cut contact structure extending between two stacks stack of semiconducting layers and in electrical contact with the self-aligned backside contact and a source drain contact on a frontside, wherein a lateral dimension of the gate cut contact structure is less than a lateral dimension of the self-aligned backside 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.

The invention belongs to the technical field of high-voltage switch cabinet application, and provides a new energy booster station high-voltage switch cabinet protection device which comprises a cabinet body, and the upper side of the interior of the cabinet body is provided with a moisture absorption assembly used for condensing and discharging moisture in the cabinet body. A salt mist filtering mechanism used for performing salt mist filtering on the ventilation position of the cabinet body is arranged on the lower side in the cabinet body, and the moisture absorption assembly comprises a fixing frame fixedly connected to the lower side of the top wall of the cabinet body; by arranging the salt mist filtering mechanism, the high-voltage switch cabinet used in coastal areas can be ventilated and filtered, salt mist components in coastal air are effectively isolated, the problems of metal corrosion, insulator flashover, electrical contact oxidation and the like caused by salt mist permeation are avoided, the service life of circuit components is effectively prolonged, and meanwhile, the service life of the high-voltage switch cabinet is prolonged. Salt blocks on the filter bag can be automatically removed, the permeability of the filter bag is effectively ensured, the conditions that salt blocks are accumulated, the permeability of the filter bag is poor, and heat dissipation in the cabinet is affected are avoided, and time and labor are saved in use.

A reinforcement beam for an automotive component is continuously formed with a metal sheet that is roll formed to have at least one tubular portion that extends along a length of the reinforcement beam. A solid state forge weld is formed between an edge of the metal sheet and an intermediate portion of the metal sheet to close a seam that extends along the tubular portion of the reinforcement beam. Prior to forming the solid state forge weld, select portions of the metal sheet are heated to a desirable welding temperature with a high frequency current delivered by electrical contacts to opposing sides of the weld seam. The desired welding temperature may burn off a galvanized coating on the metal sheet at the select portions prior to forming the solid state forge weld that is generally void of zinc inclusions.

The developing box can be detachably combined with the drum assembly provided with a photosensitive drum and a photosensitive gear to form a processing box, the photosensitive gear is arranged at the end of the photosensitive drum, the photosensitive drum and the photosensitive gear rotate together, the processing box is detachably installed on an image forming device, and the developing box comprises a box body, a driving device and a driving device, a developing roller that rotates about an axis extending in a first direction; the detected piece is located at the second end and used for triggering a detection piece of the image forming device; the storage medium is used for storing information of the developing box; the electric contact surface is positioned at the first end and is electrically connected with the storage medium; and the power receiving part receives the power transmitted from the drum assembly to rotate and is used for driving at least one of the developing roller and the detected part to move. The developing box disclosed by the utility model transmits power from the drum assembly to the developing box through the power receiving piece, so that the structure is simplified, and the production cost is reduced.

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.

A perforating gun with a self-orienting charge cartridge is disclosed for use in oil and gas completions operations. In one or more embodiments, the perforating gun may include a carrier tube within which the self-orienting charge cartridge extends and a conductor sub coupled to the carrier tube. In one or more embodiments, the self-orienting charge cartridge includes a perforating charge, a bearing, and a ground conductor, and is configured so that the perforating charge is initiable via the conductor sub, the bearing rotationally supports the perforating charge within the carrier tube, and the ground conductor provides grounding electrical contact with the conductor sub in order to ground the self-orienting charge cartridge directly to the conductor sub. A gun string including the perforating gun and one or more additional perforating guns substantially identical to the perforating gun is also disclosed.

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.

An automotive battery includes a positive contact slot in a battery housing, the slot opening into a positive slot encasement inside the battery for insertion of a positive electrical prong for electrical connection to a contact region on a positive battery post; and, a negative contact slot in the battery housing, the slot opening into a negative slot encasement inside the battery for insertion of a negative electrical prong for electrical connection to a contact region on a negative battery post.

The invention discloses a preparation method and a structure of a photonic integrated device, and the method comprises the steps: sequentially dividing a substrate into a front modulator region, a rear modulator region, a front grating region, a gain region and a rear grating region, and growing a first active layer after manufacturing a selected region epitaxial mask pattern in the gain region, the method comprises the following steps of: growing a first active layer in a front modulator region after mask etching operation, growing a second active layer in a front modulator region after mask etching operation, growing a third active layer in a grating region after mask etching operation, finally performing grating manufacturing, and completing manufacturing of a cladding layer, an electric contact layer, an inverted table shallow ridge waveguide structure, an electric isolation trench and an electrode. According to the method, integration of multiple materials is achieved through one-time selective area epitaxial growth and one-time butt joint growth, the material growth frequency is reduced, and the manufacturing cost is saved; the gain region and the rear modulator region realize forbidden band width offset through selective region epitaxial material growth, and multi-wavelength tuning and efficient modulation are realized through fluorescence wavelength difference design of each region, so that a solution can be provided for integration of a wide-wavelength tunable laser and a double-electro-absorption modulator.

The utility model relates to the technical field of elevators, in particular to an anti-pinch device for an elevator door. An elevator door anti-pinch device comprises a lift car, and a lift car opening is formed in the front portion of the lift car. The first car door and the second car door are arranged on the car in a reciprocating sliding mode so as to close or open the car opening; the driving mechanism is used for driving the first compartment door and the second compartment door to slide in a reciprocating manner; the inserting part is arranged on the side, close to the second compartment door, of the first compartment door in a protruding mode; the inserting groove is formed in the side, close to the first compartment door, of the second compartment door, and the inserting groove can be matched with the inserting part in an inserting mode; and the detection mechanism comprises a first detection piece and a second detection piece, and when the first detection piece and the second detection piece are not in electrical contact, the elevator traction equipment stops starting. The utility model provides an elevator door anti-pinch device capable of detecting small articles.

The present disclosure relates to an activation system for a supplemental device that is attached to an existing design of a medicament delivery device, where the removal of a protective cap or other covering from the medicament delivery device pulls a blocking element from between electrical contacts to close a circuit between a battery module and a power source, thus activating the battery module. The supplemental device can further have a transmitter for communicating information about the use of the medicament delivery device to an external device, such as a smart device. Memory storage elements can also be included having unique identification data. The present disclosure also relates to a medicament delivery device having attached the supplemental device.

A connector for a flat flexible cable (FFC) has a terminal holder adapted to be mounted to a substrate, and a plurality of terminals arranged within the terminal holder. Each terminal defines a plurality of sharpened tines arranged in a row. A cable holder is slidably arranged on the terminal holder and movable between an insertion position wherein an FFC is free to be inserted into the cable holder, and an installed position wherein the tines of each terminal engage with or penetrate conductors of the FFC arranged within the cable holder for establishing electrical contact therewith.

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 relates to a plug connector component (7) for a multi-part plug connector (8), having - a connection interface (10) for connecting to at least one other compatible plug connector component (9) of the multi-part plug connector (8); - a primary contact region (15) for forming at least part of a primary plug interface (16) for connecting to a corresponding mating plug connector (3, 3') of the multi-part plug connector (8); - a connection region (13) for connecting at least one electrical conductor (6); and - at least one electrical contact element (11), which can be connected to the electrical conductor (6) in the connection region (13) and which extends from the connection region (13) at least into the connection interface (10), the electrical contact element (11) being connectable to a compatible electrical contact element (12) of the compatible plug connector component (9) in the connection interface (10).

The embodiment of the invention relates to the technical field of solar cells, and provides a solar cell piece and a manufacturing method thereof, and a photovoltaic module, the solar cell piece comprises a substrate, the substrate comprises a first surface and a second surface which are opposite, the first surface comprises first areas and second areas which are alternately arranged, the first areas are provided with textured structures, and the second areas are provided with textured structures. The second area is a polished surface; the first region is provided with a tunneling layer, a doped conductive layer and a functional layer which are arranged in sequence, and the functional layer is also located in the second region and is in contact with the polished surface; and a first electrode on the first region, the first electrode being in electrical contact with the doped conductive layer. According to the invention, the contact area of the first electrode and the doped conductive layer is increased, the filling factor is further improved, an excellent passivation effect is realized, and the photoelectric conversion efficiency of the solar cell is remarkably improved.