利索-全球专利检索

  1. 登录
  2. 注册
实用新型
CN205263187U 一种地线融冰行波电流采样装置 有权 转让

一种地线融冰行波电流采样装置
摘要：
本实用新型公开了一种地线融冰行波电流采样装置，其包括：正向耦合线圈，与地线耦合；反向耦合线圈，与地线耦合；差分/比例复用电路，具有两输入端和一输出端；正向高增益积分信号转换电路，其输入端与正向耦合线圈耦接，输出端通过开关电路与差分/比例复用电路的一输入端耦接；反向高增益积分信号转换电路，其输入端与反向耦合线圈耦接，输出端与差分/比例复用电路的另一输入端耦接；信号处理电路，其输入端与差分/比例复用电路的输出端耦接，输出端耦接开关电路的控制端。本实用新型可以大幅度扩展行波电流的采集范围。
摘要（英）：

The utility model discloses a ground wire ice -melt travelling wave current sample device, it includes: forward coupling coil is with the ground line coupling, reverse coupling coil is with the ground line coupling, difference / proportion multiplex circuit has a stream input end and an output, forward high -gain integrated signal converting circuit, its input is coupled with forward coupling coil, and the output is coupled with an input of difference / proportion multiplex circuit through switch circuit, reverse high -gain integrated signal converting circuit, its input is coupled with reverse coupling coil, and the output is coupled with another input of difference / proportion multiplex circuit, processing circuit, its input is coupled with the output of difference / proportion multiplex circuit, and the output is coupled switch circuit's control end. The utility model discloses can expand the detection region of travelling wave electric current by a wide margin.

0/0