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    • 3. 发明公开
    • VEHICLE-MOUNTED ANTENNA DEVICE
    • 车载天线装置
    • EP3171454A1
    • 2017-05-24
    • EP15822511.0
    • 2015-04-10
    • Yokowo Co., Ltd
    • OHNO, SadaoOSAWA, Kengo
    • H01Q1/32H01Q9/14H01Q9/36
    • H01Q1/3275H01Q1/32H01Q7/00H01Q7/02H01Q9/14H01Q9/36
    • A vehicle antenna device is provided in which a coil element can be stably held while its winding shape is maintained, and the number of turns of the winding of the coil element can be easily adjusted during a production process.
      A coil element 40 is configured by forming a winding 42 around a resin-made bobbin 41. A guide groove 48a which is a path of the winding 42, and a plurality of projections 48b which are along the path of the winding 42 are disposed on the outer circumferential surface of the winding barrel of the bobbin 41. The guide groove 48a spirally extends around the outer circumferential surface of the winding barrel. The projections 48b are disposed in plural numbers in each of a plurality of circumferential positions on the outer circumferential surface of the winding barrel. A winding end portion of the winding 42 is drawn out in the axial direction while being hooked to an arbitrary one of the projections 48b, and electrically connected to an upper terminal 45.
    • 本发明提供一种车辆用天线装置,能够在维持卷绕形状的状态下稳定地保持线圈元件,并且能够在制造工序中容易地调整线圈元件的卷绕圈数。 线圈元件40通过在树脂制绕线筒41的周围形成绕组42而构成。作为绕组42的路径的导向槽48a和沿着绕组42的路径的多个突起48b 线轴41的卷绕筒的外周面。导向槽48a以螺旋状围绕卷绕筒的外周面延伸。 突起48b在缠绕筒的外周面上的多个周向位置分别配置有多个。 绕组42的卷绕端部钩挂于突起48b中的任意一个,并且与上端子45电连接,并沿轴向被拉出。