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    • 3. 发明公开
    • CONTACT ELEMENT FOR A SHUNT RESISTOR, SHUNT ASSEMBLY AND ELECTRICAL MEASUREMENT DEVICE
    • EP4340133A1
    • 2024-03-20
    • EP22195251.8
    • 2022-09-13
    • TE Connectivity Germany GmbH
    • Karabiyik, HamdiMueller, ChristophEberle, Marcus
    • H01R4/38G01R1/20H01R12/58H01R12/52
    • The object of the present invention is to improve the accuracy of electrical measurement devices (4) utilizing shunt resistors (8), in particular, by reducing the temperature influenceability of the measurement. The object is achieved by a contact element (1) for connecting an electrical sensor (6) to a shunt resistor (8) in an electrically conductive manner, wherein the contact element (1) comprises a first side (12) and a second side (14), the second side (14) facing away from the first side (12), wherein, on the first side (12), a terminal section (18) of the contact element (1) for connecting the contact element (1) to the electrical sensor (6) is arranged, wherein, on the second side (14), at least one contact surface (26) for abutting against a surface (28) of the shunt resistor (8) protrudes, wherein the contact element (1) comprises an attachment section (34) for fastening the contact element (1) to the shunt resistor (8), and wherein the at least one contact surface (26) is spaced apart from the attachment section (34) in a radial direction (60). Due to the at least one contact surface (26) being spaced apart from the attachment section (34), it is possible to electrically contact the shunt resistor (8) by means of the at least one contact surface (26) at a location as close as possible to temperature insensitive resistive elements (68) of the shunt resistor (8). Thereby, the influence that any other components of the shunt resistor (8) have on the resistance value of the conductive path between the contact element (1) and the resistive elements (68) of the shunt resistor (8) is eliminated or at least minimized. The object is further achieved by a shunt assembly (2) comprising the inventive contact element (1) as well as by an electrical measurement device (4) comprising the inventive shunt assembly (2).
    • 7. 发明公开
    • CIRCUIT BOARD ASSEMBLY AND ELECTRONIC DEVICE
    • EP4191799A1
    • 2023-06-07
    • EP21853798.3
    • 2021-08-02
    • Vivo Mobile Communication Co., Ltd.
    • LI, Pei
    • H01R12/52
    • This application provides a circuit board assembly and an electronic device. The circuit board assembly includes: a circuit board to which a first board-to-board connector and a second board-to-board connector are mounted; a first bracket, where the first bracket is mounted on the circuit board, the first bracket is located on a side of the first board-to-board connector away from the circuit board, the first bracket is configured to fasten the first board-to-board connector and the first bracket is provided with an escape hole; a second bracket, where the second bracket is mounted on the circuit board, and the second bracket is located on a side of the second board-to-board connector away from the circuit board, the second bracket is configured to fasten the second board-to-board connector, and the second bracket is disposed neighboring to the first bracket and the second bracket is provided with a tongue insert, the tongue insert being located on a side of the second bracket facing toward the first bracket; and a fixing member, where the fixing member is connected to the circuit board and the fixing member is provided with a slot, the slot extending out from the escape hole and at least part of the tongue insert being inserted into the slot.