A first component, such as an electrical connector, can be mechanically connected to a second component, such as a surface, and separately electrically bonded to the second component using a third component, such as foil. The third component can be ultrasonically welded to the first component and separately ultrasonically welded to the second component. In some cases, multiple third components can be utilized to cover a seam between the first and second components.

An electric energy transmission joint and a preparation method therefor. The electric energy transmission joint includes an electric energy transmission copper part, an electric energy transmission aluminum part (9), and an aluminum wire (3). The electric energy transmission copper part includes a fixer (1) for connection with an electric consumption device, and a connector (2) for connection with the electric energy transmission aluminum part (9). A first through hole is provided inside the electric energy transmission aluminum part (9), and a second through hole is provided inside the connector (2). An aluminum conductive core (4) exposed by stripping an insulation layer (5) from a front end of the aluminum wire (3) is inserted into a cavity formed by the connection of the first through hole and the second through hole. The electric energy transmission aluminum part (9) is connected to the aluminum wire (3) by crimping. The electric energy transmission copper part has the advantages of light weight, fast production, and reduced production cost.

A connector device includes a connector housing having a terminal accommodating chamber, a terminal configured to be accommodated in the terminal accommodating chamber, an electric wire configured to be connected to the terminal, a corrosion-proof material to be disposed at a position facing the terminal accommodated in the terminal accommodating chamber and a corrosion-proof target portion of the electric wire, and a corrosion-proof material support portion retaining the corrosion-proof material above the connector housing such that the corrosion-proof material can be moved toward the corrosion-proof target portion. A melting point of the corrosion-proof material is set to be lower than a melting point of a material forming the connector housing, and the corrosion-proof material is configured to be melted and then cured while covering the corrosion-proof target portion.

The present invention discloses a charging socket lead frame assembly and a charging socket. The charging socket lead frame assembly has a lead frame which has a frame body and an electrical connection structure arranged in the frame body. The lead frame is adapted to be installed in a cavity of a charging socket, and a plurality of terminals of the charging socket are adapted to pass through the frame body. One end of the electrical connection structure is exposed from the frame body to electrically connect with a lead of a temperature sensor. The lead frame is arranged in non-electrical contact with at least one signal terminal of the charging socket. Therefore, the structure of the lead frame can be simplified and the manufacturing difficulty and cost can be reduced.

A grounding elastic contact and an electronic device including the same. The grounding elastic contact includes an elastic core, and a double-sided polyethylene terephthalate (PET) tape, a polyimide (PI) film, and a conductive layer, where the PI film is laminated and bonded on an outer side of the double-sided PET tape; a middle region of the double-sided PET tape is attached to an upper surface of the elastic core; after passing through left and right sides of the elastic core respectively, two ends of the double-sided PET tape are laminated on a lower surface of the elastic core; the conductive layer includes one end bonded on the upper surface of the elastic core, and the other end passing through the left side of the elastic core; the double-sided PET tape includes a PET backing and an adhesive coated on two sides of the PET backing.

A structure for connecting an aluminum cable and a terminal includes an aluminum cable and a terminal. The aluminum cable includes a cable core. The cable core is constructed with a cable welding portion. The terminal is welded to the cable welding portion. A nominal cross-sectional area of the cable core is M, and a welding area S between the cable welding portion and the terminal meets 5*M≤S≤6*M.

A power connector has a casing, a first power terminal, and a second power terminal. The casing has at least one cable-in opening. The first power terminal has a first inner connecting portion and a first outer connecting portion. The first inner connecting portion is secured in the casing and has a first through hole matrix. The first through hole matrix faces the at least one cable-in opening and has multiple first through holes. The first outer connecting portion is located outside of the casing. The second power terminal is basically the same as the first power terminal. The first power terminal is located between the second power terminal and the at least one cable-in opening. The first power terminal shields part of the second power terminal and allows the second through hole matrix of the second power terminal to be exposed to the at least one cable-in opening.

A welded body manufacturing method for a welded body in which a terminal formed of a metal base material and plated with a metal material having a hardness lower than a hardness of the metal base material is connected to an end portion of a conductive member, the conductive member being connected to the terminal on a conductor welding surface of the terminal is provided. The manufacturing method includes forming at least one of a convex portion and a concave portion on the conductor welding surface and connecting the conductive member to the conductor welding surface by means of ultrasonic welding.

An electrical connection comprises a first conductor and a second conductor electrically connected to the first conductor. The first conductor has a first contact section with a first contact face laterally delimited by a first side face. The second conductor has a second contact section with a second contact face surrounded by a rim having a second side face. The second side face limits a contact space above the second contact face and the first contact face is arranged on the second contact face. A reservoir space is arranged between the first side face of the first contact face and the second side face of the rim, the reservoir space surrounds the first contact face and a sealing material is arranged in the reservoir space. The sealing material forms a sealing ring that seals an interface between the first contact face and the second contact face.

A copper-aluminum composite electric energy transmission system and a processing method therefor are disclosed. The system includes a copper terminal (1) and an aluminum cable (6). The aluminum cable (6) includes an aluminum conductor (2) and an insulation layer (3) cladding a periphery of the aluminum conductor (2). The system further includes an electric energy transmission aluminum piece (4), in which a section of the aluminum conductor (2) with the insulation layer (3) stripped from the aluminum cable is pressed to form a connecting piece. The electric energy transmission aluminum piece (4) and a front end of the aluminum conductor (2) form a molten layer (5). An end of the copper terminal (1) for being welded to the electric energy transmission aluminum piece (4) is provided with a welding platform (11). The molten layer (5) dads the welding platform (11) to form a transition layer (12) with metal atoms penetrating into or combined with each other. By reducing an internal stress between copper and aluminum, the mechanical property of a copper-aluminum welding joint is improved. Copper-aluminum compounds in the transition layer (12) are reduced, and the electrical property of the copper-aluminum welding joint is improved. Meanwhile, a path of the transition layer (12) to resist an erosion from an external environment is extended, thereby solving the metal corrosion problem of the copper-aluminum welding joint, and prolonging the service life.