Abstract: An electric energy transmission aluminum part and a machining process therefor including an aluminum conductive device (1) and an aluminum cable, with the aluminum cable including an aluminum conductive core (2) and an insulation layer (3) cladding a surface of the aluminum conductive core (2). An exposed section of the aluminum conductive core (2) with the insulation layer (3) stripped from the aluminum cable and at least part of the aluminum conductive core (2) clad with the insulation layer (3) are crimped inside the aluminum conductive device (1). A transition section (4) with a trapezoidal axial cross-section is provided at a junction between the insulation layer (3) and the exposed section of the aluminum conductive core (2) in the aluminum conductive device (1).

Abstract: A copper-aluminum connector includes at least one copper terminal for connection to a power consumption device, and at least one aluminum wire for connection to an electrical circuit, wherein, the copper-aluminum connector further includes a connecting part, and the connecting part includes at least one first connecting end for connection to an end portion of the copper terminal and at least one second connecting end for connection to the aluminum wire.

Abstract: An irregular-shaped cable and a method for manufacturing the cable. The irregular-shaped cable includes a conductive core formed by at least two conductive core segments having different cross-sectional shapes which are connected end to end. An insulation layer is wrapped over the conductive core segment from the outside, and the profile of the insulation layer fits with the conductive core segments. The cable can be fitted with the vehicle body. The manufacturing method includes a manufacture of the conductive core segments, a connection of the conductive core segments, and a manufacture of the insulation layer.

Abstract: Disclosed are a joint of a copper terminal and an aluminium conductor and an ultrasonic welding method thereof. One spacing metal layer is added between the copper terminal and the aluminium conductor, and firstly, the spacing metal layer is fixed at a welding end of a base material by means of a manner such as electroplating, pressure welding, electric arc spray welding or electromagnetic welding, and the three parts are then welded together by means of an ultrasonic welding manner. The welding method is suitable for the welding of various joints, the electrochemical corrosion resulting from the potential difference between the copper and aluminium electrodes can be effectively reduced, and the mechanical properties of the joint can be improved.

Abstract: A copper-aluminum connector includes at least one copper terminal for connection to a power consumption device, and at least one aluminum wire for connection to an electrical circuit, wherein, the copper-aluminum connector further includes a connecting part, and the connecting part includes at least one first connecting end for connection to an end portion of the copper terminal and at least one second connecting end for connection to the aluminum wire.

Abstract: A joint of a copper terminal and an aluminum wire, the copper terminal is divided into a connecting part and a functional part connected to the connecting part, and an aluminum wire core of the aluminum wire is connected to the connecting part of the copper terminal. Preferably, the aluminum wire core extends or does not extend to the functional part. The connecting part is a component of the copper terminal that is connected with the aluminum wire, and the functional part is a fixed area of the copper terminal that is configured to connect to a power consumption device.

Abstract: Disclosed are a joint of a copper terminal and an aluminium conductor and an ultrasonic welding method thereof. One spacing metal layer is added between the copper terminal and the aluminium conductor, and firstly, the spacing metal layer is fixed at a welding end of a base material by means of a manner such as electroplating, pressure welding, electric arc spray welding or electromagnetic welding, and the three parts are then welded together by means of an ultrasonic welding manner. The welding method is suitable for the welding of various joints, the electrochemical corrosion resulting from the potential difference between the copper and aluminium electrodes can be effectively reduced, and the mechanical properties of the joint can be improved.

Abstract: An aluminum terminal includes an insertion cavity for inserting the aluminum wire. The insertion cavity includes a first cavity with an inner diameter matching with an outer diameter of the conductor core of the aluminum wire, and a second cavity with an inner diameter matching with an outer diameter of the insulation layer of the aluminum wire. The rear end of the first cavity is connected to the front end of the second cavity. The minimum wall thickness of the insertion cavity is not less than ? times the wall thickness of the insulation layer. The copper-aluminum transition connector includes the copper terminal and at least one aluminum terminal. The copper terminal is fixed on the front end of the first cavity of the aluminum terminal.

Abstract: Provided is a joint of a copper terminal and an aluminum conductor. A copper terminal connecting member of the joint is connected to a conductive core of the aluminum conductor by means of a transition welding layer, and the joint can also be provided with a reinforcing welding layer. Further provided is a method for preparing the joint using plasma arc welding. According to the invention, the connection portion of the copper terminal with the aluminum conductor is filled with solder in a plasma arc welding manner, such that copper and aluminum are connected by means of the solder. Damage to an aluminum oxide layer during welding increases the conductivity and can also isolate the copper terminal and the aluminum conductor, thus preventing an electrochemical reaction between the copper and the aluminum.

Abstract: A joint of a copper terminal and an aluminum wire, the copper terminal is divided into a connecting part and a functional part connected to the connecting part, and an aluminum wire core of the aluminum wire is connected to the connecting part of the copper terminal. Preferably, the aluminum wire core extends or does not extend to the functional part. The connecting part is a component of the copper terminal that is connected with the aluminum wire, and the functional part is a fixed area of the copper terminal that is configured to connect to a power consumption device.

Abstract: An irregular-shaped cable and a method for manufacturing the cable. The irregular-shaped cable includes a conductive core formed by at least two conductive core segments having different cross-sectional shapes which are connected end to end. An insulation layer is wrapped over the conductive core segment from the outside, and the profile of the insulation layer fits with the conductive core segments. The cable can be fitted with the vehicle body. The manufacturing method includes a manufacture of the conductive core segments, a connection of the conductive core segments, and a manufacture of the insulation layer.

Abstract: An automotive vehicle includes a vehicle body shell, a power supply, and an in-car plug or junction device. The power supply is connected to the plug or junction device partially or completely by flat cables. The flat cables extend along the vehicle body shell, and the distance between the flat cables and the vehicle body shell is less than or equal to 300 mm. The automotive vehicle not only can reduce the probability of abusing the cable wires, ensure a reasonable use of the wires, facilitate to reduce the installation cost, but also can effectively ensure the installation stability of the cables, reduce the difficulty in installing the power supply cables, reduce the installation workload, reduce cable material cost and transportation cost, and satisfy the weight reduction requirement for vehicles by people.

Abstract: An aluminum terminal includes an insertion cavity for inserting the aluminum wire. The insertion cavity includes a first cavity with an inner diameter matching with an outer diameter of the conductor core of the aluminum wire, and a second cavity with an inner diameter matching with an outer diameter of the insulation layer of the aluminum wire. The rear end of the first cavity is connected to the front end of the second cavity. The minimum wall thickness of the insertion cavity is not less than ? times the wall thickness of the insulation layer. The copper-aluminum transition connector includes the copper terminal and at least one aluminum terminal. The copper terminal is fixed on the front end of the first cavity of the aluminum terminal.