CN103166177A - Leakage blocking protective circuit - Google Patents
Leakage blocking protective circuit Download PDFInfo
- Publication number
- CN103166177A CN103166177A CN2011104174136A CN201110417413A CN103166177A CN 103166177 A CN103166177 A CN 103166177A CN 2011104174136 A CN2011104174136 A CN 2011104174136A CN 201110417413 A CN201110417413 A CN 201110417413A CN 103166177 A CN103166177 A CN 103166177A
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- Prior art keywords
- module
- circuit
- resistance
- comparison module
- output
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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- 230000000903 blocking effect Effects 0.000 title abstract 9
- 230000001681 protective effect Effects 0.000 title abstract 4
- 238000009413 insulation Methods 0.000 claims abstract description 51
- 238000001514 detection method Methods 0.000 claims abstract description 37
- 230000005611 electricity Effects 0.000 claims abstract description 26
- 230000005540 biological transmission Effects 0.000 claims abstract description 7
- 230000002093 peripheral effect Effects 0.000 claims abstract description 4
- 238000012360 testing method Methods 0.000 claims description 47
- GOLXNESZZPUPJE-UHFFFAOYSA-N spiromesifen Chemical compound CC1=CC(C)=CC(C)=C1C(C(O1)=O)=C(OC(=O)CC(C)(C)C)C11CCCC1 GOLXNESZZPUPJE-UHFFFAOYSA-N 0.000 claims description 6
- 238000007599 discharging Methods 0.000 claims description 4
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 238000004804 winding Methods 0.000 claims description 3
- 230000001276 controlling effect Effects 0.000 claims description 2
- 239000003990 capacitor Substances 0.000 description 5
- 239000003245 coal Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Images
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- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
Abstract
Description
Claims (9)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201110417413.6A CN103166177B (en) | 2011-12-14 | 2011-12-14 | A kind of electricity leakage locking protection circuit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201110417413.6A CN103166177B (en) | 2011-12-14 | 2011-12-14 | A kind of electricity leakage locking protection circuit |
Publications (2)
Publication Number | Publication Date |
---|---|
CN103166177A true CN103166177A (en) | 2013-06-19 |
CN103166177B CN103166177B (en) | 2016-01-20 |
Family
ID=48589026
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201110417413.6A Expired - Fee Related CN103166177B (en) | 2011-12-14 | 2011-12-14 | A kind of electricity leakage locking protection circuit |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN103166177B (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106300240A (en) * | 2016-09-28 | 2017-01-04 | 杭州先途电子有限公司 | Delay protection circuit |
CN110441603A (en) * | 2019-08-13 | 2019-11-12 | 西安西驰电气股份有限公司 | A kind of earth leakage search/lockout sample circuit and detection method |
CN112072629A (en) * | 2020-09-10 | 2020-12-11 | 新风光电子科技股份有限公司 | 3300V and following voltage class electric leakage blocking circuit |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2258095A (en) * | 1991-07-26 | 1993-01-27 | Paul Victor Brennan | Residual current device |
CN2582243Y (en) * | 2002-11-08 | 2003-10-22 | 杨运富 | Comprehensive protective device for coal mine motor |
EP1914557A2 (en) * | 2006-10-20 | 2008-04-23 | Fanuc Ltd | Insulation-resistance degradation detecting device for motors |
US20090195205A1 (en) * | 2008-02-01 | 2009-08-06 | Sanyo Denki Co., Ltd. | Motor control system including electrical insulation deterioration detecting system |
CN101593961A (en) * | 2009-07-07 | 2009-12-02 | 中国科学技术大学 | DC power supply short-circuit protection circuit based on contactless current sample |
CN202424119U (en) * | 2011-12-14 | 2012-09-05 | 山西潞安环保能源开发股份有限公司 | Leakage lockout protecting circuit |
-
2011
- 2011-12-14 CN CN201110417413.6A patent/CN103166177B/en not_active Expired - Fee Related
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2258095A (en) * | 1991-07-26 | 1993-01-27 | Paul Victor Brennan | Residual current device |
CN2582243Y (en) * | 2002-11-08 | 2003-10-22 | 杨运富 | Comprehensive protective device for coal mine motor |
EP1914557A2 (en) * | 2006-10-20 | 2008-04-23 | Fanuc Ltd | Insulation-resistance degradation detecting device for motors |
US20090195205A1 (en) * | 2008-02-01 | 2009-08-06 | Sanyo Denki Co., Ltd. | Motor control system including electrical insulation deterioration detecting system |
CN101593961A (en) * | 2009-07-07 | 2009-12-02 | 中国科学技术大学 | DC power supply short-circuit protection circuit based on contactless current sample |
CN202424119U (en) * | 2011-12-14 | 2012-09-05 | 山西潞安环保能源开发股份有限公司 | Leakage lockout protecting circuit |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106300240A (en) * | 2016-09-28 | 2017-01-04 | 杭州先途电子有限公司 | Delay protection circuit |
CN110441603A (en) * | 2019-08-13 | 2019-11-12 | 西安西驰电气股份有限公司 | A kind of earth leakage search/lockout sample circuit and detection method |
CN110441603B (en) * | 2019-08-13 | 2021-07-20 | 西安西驰电气股份有限公司 | Electric leakage blocking sampling circuit and detection method |
CN112072629A (en) * | 2020-09-10 | 2020-12-11 | 新风光电子科技股份有限公司 | 3300V and following voltage class electric leakage blocking circuit |
CN112072629B (en) * | 2020-09-10 | 2022-10-25 | 新风光电子科技股份有限公司 | 3300V and following voltage class electric leakage blocking circuit |
Also Published As
Publication number | Publication date |
---|---|
CN103166177B (en) | 2016-01-20 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
ASS | Succession or assignment of patent right |
Owner name: NIDEC (BEIJING) DRIVE SYSTEM TECHNIQUE CO., LTD. Free format text: FORMER OWNER: BEIJING CHINA TEX MECHANICAL + ELECTRICAL ENGINEERING LTD. Effective date: 20150731 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20150731 Address after: 046204 Hou Town, Xiangyuan County, Changzhi, Shanxi Applicant after: SHANXI LU'AN ENVIRONMENTAL ENERGY DEVELOPMENT Co.,Ltd. Applicant after: Nidec (Beijing) Transmission Technology Co.,Ltd. Address before: 046204 Hou Town, Xiangyuan County, Changzhi, Shanxi Applicant before: SHANXI LU'AN ENVIRONMENTAL ENERGY DEVELOPMENT Co.,Ltd. Applicant before: Beijing China Tex Mechanical & Electrical Engineering Ltd. |
|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160120 Termination date: 20211214 |
|
CF01 | Termination of patent right due to non-payment of annual fee |