CN110265966A - 过载和短路保护电路 - Google Patents
过载和短路保护电路 Download PDFInfo
- Publication number
- CN110265966A CN110265966A CN201910636314.3A CN201910636314A CN110265966A CN 110265966 A CN110265966 A CN 110265966A CN 201910636314 A CN201910636314 A CN 201910636314A CN 110265966 A CN110265966 A CN 110265966A
- Authority
- CN
- China
- Prior art keywords
- circuit
- phase input
- comparator
- load
- charge
- 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
Links
- 238000001514 detection method Methods 0.000 claims abstract description 36
- 239000003990 capacitor Substances 0.000 claims description 26
- 230000005669 field effect Effects 0.000 claims description 19
- 230000005611 electricity Effects 0.000 claims description 7
- 239000000463 material Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 206010037660 Pyrexia Diseases 0.000 description 2
- 125000004122 cyclic group Chemical group 0.000 description 2
- 238000010892 electric spark Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H1/00—Details of emergency protective circuit arrangements
- H02H1/0007—Details of emergency protective circuit arrangements concerning the detecting means
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/02—Details
- H02H3/06—Details with automatic reconnection
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/08—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess current
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/08—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess current
- H02H3/093—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess current with timing means
Landscapes
- Emergency Protection Circuit Devices (AREA)
- Protection Of Static Devices (AREA)
Abstract
Description
Claims (10)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910636314.3A CN110265966B (zh) | 2019-07-15 | 2019-07-15 | 过载和短路保护电路 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910636314.3A CN110265966B (zh) | 2019-07-15 | 2019-07-15 | 过载和短路保护电路 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN110265966A true CN110265966A (zh) | 2019-09-20 |
CN110265966B CN110265966B (zh) | 2024-03-12 |
Family
ID=67926298
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201910636314.3A Active CN110265966B (zh) | 2019-07-15 | 2019-07-15 | 过载和短路保护电路 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN110265966B (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111123147A (zh) * | 2019-11-29 | 2020-05-08 | 深圳硕日新能源科技有限公司 | 一种负载短路电流检测模块及其*** |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1829031A (zh) * | 2005-03-03 | 2006-09-06 | 中兴通讯股份有限公司 | 一种具有自恢复功能的短路保护电路 |
CN104810785A (zh) * | 2015-03-20 | 2015-07-29 | 华立仪表集团股份有限公司 | 负载过流保护电路,电力采集设备及电力采集设备用试探性过流保护电路 |
CN210326997U (zh) * | 2019-07-15 | 2020-04-14 | 深圳市图灵科创产业发展有限公司 | 过载和短路保护电路 |
-
2019
- 2019-07-15 CN CN201910636314.3A patent/CN110265966B/zh active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1829031A (zh) * | 2005-03-03 | 2006-09-06 | 中兴通讯股份有限公司 | 一种具有自恢复功能的短路保护电路 |
CN104810785A (zh) * | 2015-03-20 | 2015-07-29 | 华立仪表集团股份有限公司 | 负载过流保护电路,电力采集设备及电力采集设备用试探性过流保护电路 |
CN210326997U (zh) * | 2019-07-15 | 2020-04-14 | 深圳市图灵科创产业发展有限公司 | 过载和短路保护电路 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111123147A (zh) * | 2019-11-29 | 2020-05-08 | 深圳硕日新能源科技有限公司 | 一种负载短路电流检测模块及其*** |
Also Published As
Publication number | Publication date |
---|---|
CN110265966B (zh) | 2024-03-12 |
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Legal Events
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PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
CB03 | Change of inventor or designer information | ||
CB03 | Change of inventor or designer information |
Inventor after: Xiang Hua Inventor after: Wang Hongyuan Inventor after: Li Yong Inventor after: Liu Jiajin Inventor after: Zhang Baocang Inventor after: Zheng Yu Inventor before: Xiang Hua Inventor before: Dong Chaoyang Inventor before: Wang Hongyuan Inventor before: Li Yong Inventor before: Liu Jiajin Inventor before: Zhang Baocang Inventor before: Zheng Yu |
|
GR01 | Patent grant | ||
GR01 | Patent grant |