CN105576599B - 一种过流或短路故障信号隔离检测电路及其设计方法 - Google Patents
一种过流或短路故障信号隔离检测电路及其设计方法 Download PDFInfo
- Publication number
- CN105576599B CN105576599B CN201610146128.8A CN201610146128A CN105576599B CN 105576599 B CN105576599 B CN 105576599B CN 201610146128 A CN201610146128 A CN 201610146128A CN 105576599 B CN105576599 B CN 105576599B
- Authority
- CN
- China
- Prior art keywords
- resistance
- optical coupling
- coupling isolator
- comparator
- overcurrent
- 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.)
- Active
Links
Classifications
-
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/165—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
- G01R19/16533—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values characterised by the application
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Emergency Protection Circuit Devices (AREA)
Abstract
Description
Claims (4)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610146128.8A CN105576599B (zh) | 2016-03-15 | 2016-03-15 | 一种过流或短路故障信号隔离检测电路及其设计方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610146128.8A CN105576599B (zh) | 2016-03-15 | 2016-03-15 | 一种过流或短路故障信号隔离检测电路及其设计方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN105576599A CN105576599A (zh) | 2016-05-11 |
CN105576599B true CN105576599B (zh) | 2018-04-13 |
Family
ID=55886441
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201610146128.8A Active CN105576599B (zh) | 2016-03-15 | 2016-03-15 | 一种过流或短路故障信号隔离检测电路及其设计方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN105576599B (zh) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106353632B (zh) * | 2016-08-30 | 2023-08-18 | 无锡蓝天电子股份有限公司 | 一种低内阻负载的短路故障检测电路 |
CN107682003A (zh) * | 2017-09-15 | 2018-02-09 | 上海微程电气设备有限公司 | 一种数字总线隔离通信电路 |
CN107611948A (zh) * | 2017-10-26 | 2018-01-19 | 绵阳高新区探索科技有限责任公司 | 充电枪缆上控制盒用短路保护电路 |
CN108900140A (zh) * | 2018-06-07 | 2018-11-27 | 江苏江荣智能科技有限公司 | 一种用于永磁同步电机驱动控制系统的隔离测温电路 |
CN113765070B (zh) * | 2020-06-01 | 2024-01-23 | 中车株洲电力机车研究所有限公司 | 基于电感电流变化率的igbt短路保护电路和方法 |
CN111912435B (zh) * | 2020-09-07 | 2023-06-30 | 山东山森数控技术有限公司 | 一种电磁式安全门开关信号检测方法 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102790373A (zh) * | 2011-05-17 | 2012-11-21 | 富泰华工业(深圳)有限公司 | 过流保护电路及具有该过流保护电路的电子装置 |
CN102998515A (zh) * | 2012-11-21 | 2013-03-27 | 上海富欣智能交通控制有限公司 | 输出通道过电流检测和保护电路 |
CN103336165A (zh) * | 2013-06-25 | 2013-10-02 | 西安电子科技大学 | 一种交直流过流检测电路 |
CN204886125U (zh) * | 2015-07-28 | 2015-12-16 | Tcl光电科技(惠州)有限公司 | Led背光驱动保护电路 |
CN205506915U (zh) * | 2016-03-15 | 2016-08-24 | 西安科技大学 | 一种低功耗过流信号隔离检测电路 |
-
2016
- 2016-03-15 CN CN201610146128.8A patent/CN105576599B/zh active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102790373A (zh) * | 2011-05-17 | 2012-11-21 | 富泰华工业(深圳)有限公司 | 过流保护电路及具有该过流保护电路的电子装置 |
CN102998515A (zh) * | 2012-11-21 | 2013-03-27 | 上海富欣智能交通控制有限公司 | 输出通道过电流检测和保护电路 |
CN103336165A (zh) * | 2013-06-25 | 2013-10-02 | 西安电子科技大学 | 一种交直流过流检测电路 |
CN204886125U (zh) * | 2015-07-28 | 2015-12-16 | Tcl光电科技(惠州)有限公司 | Led背光驱动保护电路 |
CN205506915U (zh) * | 2016-03-15 | 2016-08-24 | 西安科技大学 | 一种低功耗过流信号隔离检测电路 |
Also Published As
Publication number | Publication date |
---|---|
CN105576599A (zh) | 2016-05-11 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN105576599B (zh) | 一种过流或短路故障信号隔离检测电路及其设计方法 | |
CN103326325B (zh) | 开关电源输出短路和欠压保护电路 | |
CN201766490U (zh) | 基于igbt桥式开关拓扑的驱动电路及其保护模块 | |
CN201797312U (zh) | 以太网供电设备的网口电路 | |
CN104426128B (zh) | 中性线断线检测电路及相应剩余电流断路器 | |
CN205506915U (zh) | 一种低功耗过流信号隔离检测电路 | |
CN103051178A (zh) | 一种检测并阻止反向电流的降压变换器 | |
CN103036429A (zh) | 一种同步升压转换器 | |
CN103036427A (zh) | 一种同步降压转换器 | |
CN102377326A (zh) | 基于igbt桥式开关拓扑的驱动电路及其保护模块 | |
CN201113788Y (zh) | 一种电源保护电路 | |
CN104901574A (zh) | 桥式电路及其短路保护方法 | |
CN203398768U (zh) | 低成本交流输入过压保护电路及开关电源 | |
CN108899876A (zh) | 开关电源中电流检测端的短路保护系统 | |
CN204882781U (zh) | 大功率变频器驱动预检测电路 | |
CN100384043C (zh) | 一种防窃电和漏电的保护装置 | |
CN206820650U (zh) | 一种开关电源电路 | |
CN207251458U (zh) | 电流过冲保护电路及开关电源电路 | |
CN108566098A (zh) | 一种应用于全桥直流-直流变换器的电流检测线路 | |
CN101615902B (zh) | 一种软关机电路和方法 | |
CN204122942U (zh) | 抗高频干扰两级隔离触发控制电路 | |
CN207801885U (zh) | 放电mos管的驱动检测装置及放电加工装置 | |
CN107317489A (zh) | 一种三相开关电源及其过压防护电路与过压防护方法 | |
CN202679330U (zh) | 防mcu或驱动ic故障的同步脉冲控制电路 | |
CN101577492B (zh) | 电源电路 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into 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: Liu Shulin Inventor after: Xu Dandan Inventor after: Wang Chaoying Inventor after: Wang Qianqian Inventor after: Huang Zhi Inventor after: Yuan Cuiping Inventor after: Guo Ruifeng Inventor before: Liu Shulin Inventor before: Xu Dandan Inventor before: Li Xueyan Inventor before: Wang Qianqian Inventor before: Huang Zhi Inventor before: Guo Ruifeng |
|
GR01 | Patent grant | ||
GR01 | Patent grant |