CN101309006B - 煤矿井下选择性漏电保护检测方法及检测装置 - Google Patents
煤矿井下选择性漏电保护检测方法及检测装置 Download PDFInfo
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CN104467444B (zh) * | 2013-09-16 | 2017-04-12 | 遵义长征电器智控设备有限责任公司 | 一种断线保护印制板 |
JP6324629B2 (ja) * | 2015-06-19 | 2018-05-16 | 三菱電機株式会社 | 漏洩電流検出装置 |
CN115588964B (zh) * | 2022-12-12 | 2023-03-03 | 杭州红芯微电子信息科技有限公司 | 一种阈值电压可修正的全波段漏电检测保护电路 |
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Inventor after: Yang Yunfu Inventor after: Yang Bo Inventor before: Yang Yunfu |
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EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Huainan Anhui Huaguang mining Electronic Technology Research Institute Assignor: Yang Yunfu Contract record no.: 2011340000478 Denomination of invention: Selective leakage protective detection method and apparatus under coal mine Granted publication date: 20100609 License type: Exclusive License Open date: 20081119 Record date: 20111219 |