Abstract:
The invention relates to a charging arrangement (1) for charging of electric vehicles, comprising a charging connector (2) and a charging cable (3), wherein the charging connector (2) comprises a connector body (4) with a first zone (5) and a second zone (6), the first zone (5) and the second zone (6) being separate from each other, the first zone (5) of the connector body (4) hosts a mating interface (7) with electrical contacts (8) for mating the charging connector (2) with a corresponding socket of an electric vehicle, the electrical contacts (8) being galvanically coupled to the charging cable (3), and the second zone (6) of the connector body (4) comprises a tube (9) in which the charging cable (3) is guided from an opening (11) of the tube (9) which is arranged on that side of the second zone (6) of the connector body (4) which is faced away from the first zone (5) of the connector body (4) to the electrical contacts (8) which are located in the first zone (5) of the connector body (4), and a handle (10) for grabbing the charging connector (4) with a human hand, the handle (10) being separate from the tube (9). According to the invention, the second zone (6) of the connector body (4) is Y-shaped wherein the tube (9) is formed by one upper leg and the lower of the Y and the handle (10) is formed by the other upper leg of the Y. In this way, a charging arrangement (1) for charging of electric vehicles is provided which is easy to use while showing high resistance to mechanical damage.
Abstract:
The invention relates to a two-phase heat transfer device (10) for dissipating heat from a heat source, for instance a power semiconductor module (26), by a heat transfer medium, wherein the two-phase heat transfer device (10) comprises a main body (12), wherein the main body (12) is formed by a body material (14) and comprises a multi-dimensional void network (16), wherein the multi-dimensional void network (16) comprises voids and is adapted for containing the heat transfer medium, wherein the multi-dimensional void network (16) is adapted such that a flow of the heat transfer medium along a path (20) through the main body (12) is based on a variation in capillary action exerted by the multi-dimensional void network (16) on the heat transfer medium along the path (20). Further the invention relates to a power semiconductor module (26) comprising the above two-phase heat transfer device (10) for heat dissipation and to a method for producing the above two-phase heat transfer device (10).
Abstract:
The invention relates to an electrical plug connector (1) for charging of electric vehicles, comprising a connector housing (2), a mating interface structure (3) supported and positioned within the connector housing (2), a positive contact pin (4) for connection with a positive conductor of a charging cable and a negative contact pin (5) for connection with a negative conductor of the charging cable, and a contact pin insert (6) supporting the positive contact pin (4) and/or the negative contact pin (5), wherein the positive contact pin (4) and/or the negative contact pin (5) are/is received and secured in position by the contact pin insert (6), and wherein the contact pin insert (6) is received within the mating interface structure (3).The invention further relates to a respective method.
Abstract:
The invention relates to a liquid cooled cable arrangement for high-power fast charging of electric vehicles, comprising a charging connector (1) and a liquid cooled charging cable (2), whereby the liquid cooled charging cable (2) comprises a plurality of conductors (3) for supplying charging current and at least two fluid channels (4) for supply and return liquid coolant, the charging connector (1) comprises a plurality of bus bars (6) and a plurality of contacts (8), each one conductor (3) is electrically and thermally connected to one bus bar (6) and via the bus bar (6) to one contact (8), and the charging connector (1) comprises a second part (7) consisting of a thermally conductive and electrically insulating material to which the bus bars (6) are attached and to which the fluid channels (4) are thermally connected such that heat generated in the contacts (8) during charging can be removed by the liquid coolant, and/or the bus bars (6) comprise bus bar fluid channels (10) to which the fluid channels (4) are thermally connected such that heat generated in the contacts (8) during charging can be removed by the liquid coolant.
Abstract:
A method for manufacturing an Ag-based electrical contact material comprising the steps of: a. synthesizing an intermetallic compound of Me x Sn y type; b. ball milling the intermetallic compound; c. mixing the so obtained intermetallic compound powder with silver powder; d. packing the mixed powders into a green body; e. forming a MeO-SnO 2 cluster structure by internally oxidizing the intermetallic compound Me x Sn y while sintering the green body. An Ag-based electrical contact material comprising a MeO-SnO 2 cluster structure obtained with said method and an electrical contact material obtained therewith are also disclosed.
Abstract:
An apparatus (1, 1a, 1b) to switch a light emitting diode (LED) or another load, comprising a mechanical switch (2), which comprises a moving electrode (3), wherein the moving electrode (3) is a contact, which electrically gets in connection with a further contact or electrode (4) to enable a current flow while a closing phase, characterized in that the apparatus (1, 1a, 1b) comprises a body (5, 5a, 5b) which absorbs or dissipates the kinetic energy of the moving electrode (3), achieves the object to prevent bounces or arcs of electrodes, especially to prevent bounces or arcs of a moving electrode of a mechanical switch.
Abstract:
Electrical contact system with a first and a second contact (1, 5), each having a contact surface (4, 8). The first electric contact (1) has a mesostructured electric contact portion (14) with a plurality of slots (15) and ridges (16) formed between neighboring slots (16) of the plurality of slots (16). These slots (15) and ridges (16) extend in a direction running transversely to said switching plane (X-Z) form a plurality of current paths (16). The current paths (16) are inclined to the first contact surface (4) at a first angle (17) measuring less than 60 degrees such that an interruption current (12) flowing through the mesostructured electric contact portion (14) and through an electric arc (11) extending in between the first contact surface (4) after lifting the first contact surface (4) off the second contact surface (8) pushes said electric arc (11) in the direction of the apex of said first angle (17) from a first position (18) to a second position (19).