公开(公告)号：US20130342949A1

公开(公告)日：2013-12-26

申请号：US14010323

申请日：2013-08-26

Applicant: Huawei Technologies Co., Ltd.

Inventor： Ying Xiong ,  Xianghu Qu

IPC: H02H9/04

CPC classification number: H02H9/04 ,  H02H9/06

Abstract: Embodiments of the present invention disclose a lightning protection radio remote unit RRU, which includes a primary circuit, a secondary circuit, and a working circuit, where the primary circuit and the secondary circuit are configured to convert a power supply output by a power supply system into a working power supply to power the working circuit; the shield layer located on the RRU side of the shielded cable and the shield layer located on the power supply system side of the shielded cable are grounded respectively; a surge over-voltage withstand capability between the primary circuit and the earth is not less than a lightning over-voltage; a surge over-voltage withstand capability between each inner conductor in the shielded cable and the shield layer of the shielded cable is not less than the lightning over-voltage.

Abstract translation: 本发明的实施例公开了一种防雷无线电远程单元RRU，其包括初级电路，次级电路和工作电路，其中初级电路和次级电路被配置为转换由电源系统输出的电源 进入工作电源为工作电路供电; 位于屏蔽电缆的RRU侧的屏蔽层和位于屏蔽电缆的电源系统侧的屏蔽层分别接地; 初级电路和地之间的浪涌过电压耐受能力不小于雷电过电压; 屏蔽电缆中每个内导体与屏蔽电缆屏蔽层之间的浪涌过电压耐受能力不低于雷击过电压。

公开(公告)号：US09425614B2

公开(公告)日：2016-08-23

申请号：US14010323

申请日：2013-08-26

Applicant: Huawei Technologies Co., Ltd.

Inventor： Ying Xiong ,  Xianghu Qu

IPC: H01C7/12 ,  H02H1/00 ,  H02H1/04 ,  H02H3/22 ,  H02H9/04 ,  H02H9/06

CPC classification number: H02H9/04 ,  H02H9/06

Abstract: Embodiments of the present invention disclose a lightning protection radio remote unit RRU, which includes a primary circuit, a secondary circuit, and a working circuit, where the primary circuit and the secondary circuit are configured to convert a power supply output by a power supply system into a working power supply to power the working circuit; the shield layer located on the RRU side of the shielded cable and the shield layer located on the power supply system side of the shielded cable are grounded respectively; a surge over-voltage withstand capability between the primary circuit and the earth is not less than a lightning over-voltage; a surge over-voltage withstand capability between each inner conductor in the shielded cable and the shield layer of the shielded cable is not less than the lightning over-voltage.

Abstract translation: 本发明的实施例公开了一种防雷无线电远程单元RRU，其包括初级电路，次级电路和工作电路，其中初级电路和次级电路被配置为转换由电源系统输出的电源 进入工作电源为工作电路供电; 位于屏蔽电缆的RRU侧的屏蔽层和位于屏蔽电缆的电源系统侧的屏蔽层分别接地; 初级电路和地之间的浪涌过电压耐受能力不小于雷电过电压; 屏蔽电缆中每个内导体与屏蔽电缆屏蔽层之间的浪涌过电压耐受能力不低于雷击过电压。