CN104617547B - 一种矿用本安电源用双重保护电路 - Google Patents
一种矿用本安电源用双重保护电路 Download PDFInfo
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- CN104617547B CN104617547B CN201510082373.2A CN201510082373A CN104617547B CN 104617547 B CN104617547 B CN 104617547B CN 201510082373 A CN201510082373 A CN 201510082373A CN 104617547 B CN104617547 B CN 104617547B
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CN104617547A CN104617547A (zh) | 2015-05-13 |
CN104617547B true CN104617547B (zh) | 2017-12-05 |
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CN111564826B (zh) * | 2020-05-12 | 2022-06-28 | 中国科学院上海光学精密机械研究所 | 一种原子芯片用双重保护电路 |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4438473A (en) * | 1981-07-21 | 1984-03-20 | The United States Of America As Represented By The Secretary Of The Interior | Power supply for an intrinsically safe circuit |
CN101447738A (zh) * | 2008-12-29 | 2009-06-03 | 重庆航天工业公司 | 一种隔爆兼本安电源装置 |
CN102510043A (zh) * | 2011-11-23 | 2012-06-20 | 山西科达自控工程技术有限公司 | 矿用电源安全二级保护电路 |
CN102695316A (zh) * | 2012-06-11 | 2012-09-26 | 抚顺矿灯制造总厂 | 矿灯本质安全电源串联限流电路 |
CN202856691U (zh) * | 2012-09-17 | 2013-04-03 | 西安天伟电子***工程有限公司 | 一种固态微波功率放大器的控制保护电路 |
CN103078300A (zh) * | 2012-12-31 | 2013-05-01 | 山西科达自控工程技术有限公司 | 矿用本安锂电池供电*** |
CN103916012A (zh) * | 2014-04-01 | 2014-07-09 | 江苏杰瑞科技集团有限责任公司 | 一种本质安全电源转换装置 |
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2015
- 2015-02-15 CN CN201510082373.2A patent/CN104617547B/zh active Active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4438473A (en) * | 1981-07-21 | 1984-03-20 | The United States Of America As Represented By The Secretary Of The Interior | Power supply for an intrinsically safe circuit |
CN101447738A (zh) * | 2008-12-29 | 2009-06-03 | 重庆航天工业公司 | 一种隔爆兼本安电源装置 |
CN102510043A (zh) * | 2011-11-23 | 2012-06-20 | 山西科达自控工程技术有限公司 | 矿用电源安全二级保护电路 |
CN102695316A (zh) * | 2012-06-11 | 2012-09-26 | 抚顺矿灯制造总厂 | 矿灯本质安全电源串联限流电路 |
CN202856691U (zh) * | 2012-09-17 | 2013-04-03 | 西安天伟电子***工程有限公司 | 一种固态微波功率放大器的控制保护电路 |
CN103078300A (zh) * | 2012-12-31 | 2013-05-01 | 山西科达自控工程技术有限公司 | 矿用本安锂电池供电*** |
CN103916012A (zh) * | 2014-04-01 | 2014-07-09 | 江苏杰瑞科技集团有限责任公司 | 一种本质安全电源转换装置 |
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PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A dual protection circuit for mine intrinsic safety power supply Effective date of registration: 20220531 Granted publication date: 20171205 Pledgee: Branches of Jinan Rural Commercial Bank Co.,Ltd. Pledgor: SHANDONG MICRO PHOTOGRAPHIC ELECTRONIC Co.,Ltd. Registration number: Y2022980006672 |
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PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20230327 Granted publication date: 20171205 Pledgee: Branches of Jinan Rural Commercial Bank Co.,Ltd. Pledgor: SHANDONG MICRO PHOTOGRAPHIC ELECTRONIC Co.,Ltd. Registration number: Y2022980006672 |
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PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A Dual Protection Circuit for Mining Intrinsically Safe Power Supply Effective date of registration: 20230329 Granted publication date: 20171205 Pledgee: Branches of Jinan Rural Commercial Bank Co.,Ltd. Pledgor: SHANDONG MICRO PHOTOGRAPHIC ELECTRONIC Co.,Ltd. Registration number: Y2023980036744 |