5979 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 is a technique for improving the mechanical strength of a connector assembly. A connector assembly according to the present disclosure includes a plug connector including a plurality of plug contacts, a plug housing that holds the plurality of plug contacts, and a plug hold-down mounted on the outside of the plurality of plug contacts in the plug housing, and a receptacle connector including a plurality of receptacle contacts and a receptacle housing that holds the plurality of receptacle contacts. Each of the plug contacts and each of the receptacle contacts come into electrical contact by mating the plug connector and the receptacle connector with each other in a mating direction.

The invention discloses a box-type energy storage substation operation control method and system, a product and a medium. The method comprises the following steps: collecting gas concentration data in the box-type energy storage substation, comparing the gas concentration data with a preset threshold value, and judging whether gas leakage exists or not; if yes, recording related data, and detecting an insulation resistance value of the electrical contact component; based on the gas concentration data and the leakage time of the leakage area, judging whether a chemical reaction triggering condition is met or not; if yes, inert gas is sprayed to the leakage area; if the insulation resistance value is lower than a safety threshold value, electromagnetic isolation is carried out on the leakage area, and distribution of the electric load to the related energy storage unit is stopped; then, current is applied to the electrical contact component at a preset frequency, and an insulating property value is detected; when the insulating property is restored to within the safe range, the electrical load is redistributed to the leakage region. By implementing the technical scheme, the safety of the fault area after the insulation performance is reduced due to gas leakage in the operation process of the box-type energy storage substation is improved.

An image-forming apparatus includes a housing, a cartridge, a fixing device, a shutter, a link connected to the shutter, and an electrical contact. The fixing device includes a heating unit. The shutter is movable between a closing position for covering an upstream end of the heating unit in a sheet conveying direction and an opening position for uncovering the upstream end of the heating unit. The link is provided on the housing and is configured to abut on the cartridge to move the shutter between the closing position and the opening position. The electrical contact is provided on the housing and contacts an electrical contact surface of a memory of the cartridge attached to the housing. In the housing, the link and the electrical contact are positioned on opposite sides of a center line of the attached cartridge in a widthwise direction orthogonal to an attachment / detachment direction of the cartridge.

A helmet accessory system comprises first and second ear brackets, for attachment to a helmet, having a side shroud housing for securing to the side of the helmet and an extension portion curving toward the rear of the helmet. The extension portions enclose circuitry electrically coupled to first sets of electrical contacts on the ear brackets and second sets of electrical contacts on the extension portion. An electrical hot shoe mounting member disposed on the rear portion of the helmet is configured for electrical communication with a helmet power and data circuit. A hot shoe adapter bridge for detachably and electrically coupling to the electrical hot shoe mounting member is operable to couple first and second ear brackets to the helmet power and data circuit.

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.

A catheter placement system includes a location sensor configured for placement on a patient, a drape configured to cover the patient and the location sensor, and a connector tethered to a stylet. The location sensor can include an exterior channel having a channel length, an exterior alignment notch positioned above the exterior channel, the exterior alignment notch having a notch length less than the channel length, and an interior receptacle including an electrical contact. The connector can include an alignment protrusion and a piercing element having an electrical contact, the connector configured to couple to the location sensor through the drape. The alignment protrusion of the connector can be configured to move through the exterior alignment notch and into the exterior channel. The piercing element can be configured to pierce the drape and form an electrical connection with the electrical contact in the interior receptacle.

A charging system for an automatic swimming pool cleaner may a corrosion-mitigating device for an electrical contact. Additionally, or alternatively, a charging system for an automatic swimming pool cleaner may include a charging pin. In some embodiments, the charging system includes a charging pin that is externally removable from the automatic swimming pool cleaner or from a charging station for the automatic swimming pool cleaner.

A slidable current collector has frame formed as central substrate and sloped shoulders on opposing lateral sides of the central substrate. Electrical terminals pass through orifices arranged in at least two rows within the central substrate. At least one bumper is disposed on an underside of the central substrate between the at least two rows. During sliding on a power rail, the electrical terminals contact a rail surface, and the current collector can shift laterally on the rail surface across a distance between the bumper and one of the sloped shoulders. If disengagement of the electrical terminals from the rail surface occurs, angles on the sloped shoulders and the at least one bumper resist excessive lateral shifting and urge the electrical contacts to reengage with the rail surface.

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.

The invention belongs to the field of electrical electronics and advanced non-ferrous metal additive manufacturing, and particularly relates to a preparation method of a laser additive manufacturing copper alloy-tungsten copper composite electrical contact, which comprises the following steps of: preparing a nickel or nickel alloy coating on a copper alloy base material by adopting coaxial powder feeding laser cladding to serve as a middle layer, and then preparing a tungsten copper coating by laser cladding to obtain the copper alloy-tungsten copper composite electrical contact. The composite electrical contact is composed of a pure copper or copper alloy base material layer, a pure nickel or nickel alloy coating and a tungsten copper coating in sequence. The electrical contact obtained by the invention has relatively high electrical conductivity and thermal conductivity, and also has good arc ablation resistance; the copper alloy-tungsten copper electrical contact is prepared by adopting the laser cladding technology, so that the production cost can be effectively reduced, the production efficiency is improved, meanwhile, later maintenance and repair are facilitated, and the method is green and environment-friendly.

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

According to the preparation method and application of the metal soft magnetic composite material, the surface of the metal soft magnetic powder is coated with the metal oxide insulating layer through the ALD technology, then the characteristics that the ferrite phase layer is high in resistivity, low in loss and good in high-frequency characteristic are utilized, insulating coating is conducted on the surface through the ALD technology, and the metal soft magnetic composite material is obtained. And a ferrite coating layer is formed on the surface of the metal soft magnetic powder during high-temperature annealing, so that electric contact among particles is blocked, the resistivity of the soft magnetic material is improved, and the eddy-current loss at high frequency is reduced, thereby improving the high-frequency performance.

A testing device for a current-carrying friction and wear performance of a flexible rolling friction pair, including a base plate, supporting profiles, and guiding rail sliders, and a screw assembly, and a movable supporting plate, and a fixed supporting plate, and first bearing supports, and a slider supporting plate, during the testing process, friction moment and friction force of the flexible rolling electrical contact component can be obtained by monitoring dynamic torque of rotating wheel, which is wide applicability, which allows simultaneous online monitoring of multiple experimental variables such as friction performance, current-carrying capacity, preload, friction force, and temperature; and at the same time, there is no need to adjust, assemble, or test multiple objects for the rolling ring structure; the testing process can be completed by only adjusting and testing the key electrical contact test piece, significantly simplifying the testing structure and method while reducing testing costs.

The invention relates to the technical field of photovoltaics, and provides a back contact battery, a manufacturing method thereof and a photovoltaic module, which are at least beneficial to improving the efficiency of the back contact battery. The back contact battery comprises a substrate, the substrate comprises a front surface and a back surface which are opposite, and the back surface of the substrate comprises first regions and second regions which are alternately arranged; a first tunneling layer, a first doped conductive layer, a dielectric layer and a second doped conductive layer are sequentially stacked on the first region, the dielectric layer and the second doped conductive layer are located at the edge, close to the second region, of the first doped conductive layer, and a second tunneling layer and a third doped conductive layer are sequentially stacked on the second region; the first electrode and the second electrode are located on the passivation layer, and the passivation layer covers the surfaces of the first doped conductive layer, the second doped conductive layer and the third doped conductive layer; the first electrode penetrates through the passivation layer and is in electric contact with the first doped conductive layer; and the second electrode penetrates through the passivation layer and is electrically contacted with the third doped conductive layer.

This disclosure relates to a piercing-type motor terminal connector, comprising a main body with a board end and a wiring end which are facing away from each other. The board end is disposed with pins for board connection, while the wiring end comprises a first elastic arm and a second elastic arm aligned side by side. A main clamping groove is formed between these arms, capable of establishing adjustable tension state based on the elasticity of the first arm and the second arm. At the groove entrance of the main clamping groove, serrations are disposed on the first and the second elastic arms. The serrations are used to press and pierce the enamel of enameled wire, allowing the wire to slide into the main clamping groove and be held by the first and the second elastic arms, thereby forming an electrical connection. Additionally, a force-enhancing part is disposed on both the first and second elastic arms, which increase the clamping force when the enameled wire enters the main clamping groove. This design enables one-time crimping and connection, making installation efficient and stable, and preventing poor electrical contact between the terminal and conductor due to vibrations.

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.

In general, in one aspect, embodiments relate to an electrical contact that includes a contact plate, a support plate, and three or more bends disposed between the contact plate and the support plate to counteract a force applied to the contact plate when engaged by a contact pin, where the electrical contact is configured to convey a detonating signal through an electrical feedthrough extending through at least a bulkhead of two or more perforating guns.

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.

The steering signal transmission guide rail mechanism comprises a pull rod sleeve, a pull rod and a handle, the pull rod is inserted into the pull rod sleeve and matched with the pull rod sleeve in an up-down sliding mode, the handle is fixed to the upper end of the pull rod, a steering control panel is arranged in the handle, and a steering control device electrically connected with the steering control panel is arranged on the handle. A probe plate is fixed to the outer side wall of the pull rod and arranged at the lower end of the pull rod, two probes electrically connected with the steering control plate are arranged on the probe plate, a strip-shaped guide rail is fixed to the inner side wall of the pull rod sleeve and extends in the length direction of the pull rod sleeve, and two electric contact rails are arranged on the strip-shaped guide rail. The electric contact rails extend in the length direction of the strip-shaped guide rail, the probes and the electric contact rails are in one-to-one correspondence and abut against each other, and the electric contact rails are electrically connected with a main control board of the electric luggage case. According to the utility model, position interference between an overlong lead and the pull rod can be avoided, smooth stretching of the pull rod can be ensured, and the reliability of electric connection can be higher.

Various embodiments of the teachings herein include a device comprising: a communication apparatus for sending and / or receiving data via a data transmission bus and a device-side connection apparatus connecting the device to the bus. The connection apparatus includes electrical contacts to be connected in pairs to bus-side electrical contacts of a connection apparatus on the bus. The contacts comprise a data contact for a data signal, a supply contact to transmit a first supply potential, a second supply contact to transmit a second potential different from the first, and a third contact. A voltmeter measures a potential present at the third contact with respect to the first supply potential and / or the second supply potential. The communication apparatus assigns an address to the device for sending and / or receiving the data via the bus, selected from multiple different predefined addresses on the basis of the potential measured at the third contact.

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.