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基本信息:
- 专利标题: 用于高压工频电场的测量装置
- 专利标题(英):Measuring device for high-voltage power-frequency electric field
- 申请号:CN201710433820.3 申请日:2017-06-09
- 公开(公告)号:CN107192896A 公开(公告)日:2017-09-22
- 发明人: 沈正阳 , 李旭东 , 陈晨 , 徐建文 , 马涛 , 贾建良 , 王建强 , 杨中彪 , 陈悦 , 胡坚 , 许杰 , 王海荣 , 孙琳 , 陈致远 , 沈萍 , 王开芳 , 宋文泳 , 韩青 , 鲍巧敏 , 陈豪 , 余丰
- 申请人: 国网浙江省电力公司杭州供电公司
- 申请人地址: 浙江省杭州市上城区建国中路219号
- 专利权人: 国网浙江省电力公司杭州供电公司
- 当前专利权人: 国网浙江省电力公司杭州供电公司
- 当前专利权人地址: 浙江省杭州市上城区建国中路219号
- 代理机构: 杭州华鼎知识产权代理事务所
- 代理人: 项军
- 主分类号: G01R29/12
- IPC分类号: G01R29/12
The invention provides a measuring device for a high-voltage power-frequency electric field, and belongs to the field of power distribution networks. The measuring device comprises a microcontroller, the output end of the microcontroller is connected with an indicating lamp module, the input ends of the microcontroller and the indicating lamp module are connected with a power supply module, and the measuring device further comprises at least one sensor signal processing module connected to the input end of the microcontroller; and the sensor signal processing module comprises a signal difference amplification circuit. In the signal measuring process of the power-frequency electric field, the sensor signal processing module extracts useful signals, amplifies the useful signals and inhibits common-mode interference signals mainly via the signal difference amplification circuit, so that a measuring result is accurate and reliable, and the measuring precision is improved.
IPC结构图谱:
G | 物理 |
--G01 | 测量;测试 |
----G01R | 测量电变量;测量磁变量(通过转换成电变量对任何种类的物理变量进行测量参见G01类名下的 |
------G01R29/00 | 不包括在G01R19/00至G01R27/00各组中的电量的测量或指示装置 |
--------G01R29/12 | .静电场的测量 |