CN106099880B - 一种泄放电路、泄放芯片和核磁共振测井仪 - Google Patents
一种泄放电路、泄放芯片和核磁共振测井仪 Download PDFInfo
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- CN106099880B CN106099880B CN201610580027.1A CN201610580027A CN106099880B CN 106099880 B CN106099880 B CN 106099880B CN 201610580027 A CN201610580027 A CN 201610580027A CN 106099880 B CN106099880 B CN 106099880B
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
- H02H9/001—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection limiting speed of change of electric quantities, e.g. soft switching on or off
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B49/00—Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells
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CN201610580027.1A CN106099880B (zh) | 2016-07-21 | 2016-07-21 | 一种泄放电路、泄放芯片和核磁共振测井仪 |
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CN201610580027.1A CN106099880B (zh) | 2016-07-21 | 2016-07-21 | 一种泄放电路、泄放芯片和核磁共振测井仪 |
Publications (2)
Publication Number | Publication Date |
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CN106099880A CN106099880A (zh) | 2016-11-09 |
CN106099880B true CN106099880B (zh) | 2018-06-26 |
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CN201610580027.1A Active CN106099880B (zh) | 2016-07-21 | 2016-07-21 | 一种泄放电路、泄放芯片和核磁共振测井仪 |
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Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109085521B (zh) * | 2018-06-05 | 2020-02-21 | 中国石油大学(北京) | 三维核磁共振成像仪高压泄放补偿方法与装置 |
CN109057783A (zh) * | 2018-07-13 | 2018-12-21 | 中国石油大学(北京) | 随钻核磁共振测井仪多级能量快速泄放方法与装置 |
CN111313733A (zh) * | 2020-04-01 | 2020-06-19 | 南通大学 | 一种低寄生振荡两电平SiC MOSFET H桥主电路拓扑 |
CN111540759B (zh) * | 2020-05-09 | 2023-05-05 | 南京大学 | 基于复合介质栅双晶体管光敏探测器的积分泄放电路 |
CN113075600B (zh) * | 2021-03-10 | 2022-12-30 | 华东师范大学 | 一种核磁共振射频探头电路及核磁共振射频探头泄能方法 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
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CN200949462Y (zh) * | 2006-09-15 | 2007-09-19 | 陈文宏 | 带防雷系统的综合录井仪 |
US8169763B2 (en) * | 2008-06-26 | 2012-05-01 | Bourns, Inc. | Transient blocking unit having an enhancement mode device in the primary current path |
US9293912B2 (en) * | 2013-09-11 | 2016-03-22 | Analog Devices, Inc. | High voltage tolerant supply clamp |
CN105207665B (zh) * | 2015-09-23 | 2017-11-14 | 中国石油大学(北京) | Mos管驱动式隔离泄放电路 |
CN105633936B (zh) * | 2016-02-01 | 2018-07-13 | 青岛海信电器股份有限公司 | 浪涌保护电路和背光驱动电路 |
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- 2016-07-21 CN CN201610580027.1A patent/CN106099880B/zh active Active
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CN106099880A (zh) | 2016-11-09 |
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CB03 | Change of inventor or designer information |
Inventor after: Wang Guangwei Inventor after: Huang Lin Inventor after: Song Gongpu Inventor after: Zhang Jiawei Inventor before: Wang Guangwei Inventor before: Song Gongpu Inventor before: Zhang Jiawei |
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Address after: 100010 Chaoyangmen North Street, Dongcheng District, Dongcheng District, Beijing Co-patentee after: China Oilfield Services Limited Patentee after: China Offshore Oil Group Co., Ltd. Address before: 100010 Chaoyangmen North Street, Dongcheng District, Dongcheng District, Beijing Co-patentee before: China Oilfield Services Limited Patentee before: China National Offshore Oil Corporation |