CN102116284B - 无设定泵类无液防空转保护器 - Google Patents
无设定泵类无液防空转保护器 Download PDFInfo
- Publication number
- CN102116284B CN102116284B CN 201110060184 CN201110060184A CN102116284B CN 102116284 B CN102116284 B CN 102116284B CN 201110060184 CN201110060184 CN 201110060184 CN 201110060184 A CN201110060184 A CN 201110060184A CN 102116284 B CN102116284 B CN 102116284B
- Authority
- CN
- China
- Prior art keywords
- resistance
- diode
- operational amplifier
- connects
- positive
- 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
- 230000001012 protector Effects 0.000 title claims abstract description 17
- 239000007788 liquid Substances 0.000 title abstract 3
- 230000001681 protective effect Effects 0.000 claims description 10
- 238000007600 charging Methods 0.000 claims description 4
- 238000005086 pumping Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000003990 capacitor Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Images
Landscapes
- Amplifiers (AREA)
- Control Of Positive-Displacement Pumps (AREA)
Abstract
Description
Claims (3)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 201110060184 CN102116284B (zh) | 2011-03-05 | 2011-03-05 | 无设定泵类无液防空转保护器 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 201110060184 CN102116284B (zh) | 2011-03-05 | 2011-03-05 | 无设定泵类无液防空转保护器 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN102116284A CN102116284A (zh) | 2011-07-06 |
CN102116284B true CN102116284B (zh) | 2013-06-19 |
Family
ID=44215180
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN 201110060184 Active CN102116284B (zh) | 2011-03-05 | 2011-03-05 | 无设定泵类无液防空转保护器 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN102116284B (zh) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107829954B (zh) * | 2017-09-29 | 2019-10-22 | 武汉船用机械有限责任公司 | 一种电动深井泵干运行保护装置和方法 |
CN112974031B (zh) * | 2021-02-04 | 2022-04-05 | 优方科技(东莞)有限公司 | 一种自动校准式液体雾化装置检水系统 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4885655A (en) * | 1987-10-07 | 1989-12-05 | Spring Valley Associates, Inc. | Water pump protector unit |
CN2308193Y (zh) * | 1997-06-25 | 1999-02-17 | 张安定 | 电动机保护器 |
CN2728071Y (zh) * | 2003-06-18 | 2005-09-21 | 介国安 | 数码设定电动机及泵类保护器 |
CN2937551Y (zh) * | 2006-06-14 | 2007-08-22 | 淄博永麒化工技术开发有限公司 | 电子防空转保护器 |
CN201975762U (zh) * | 2011-03-05 | 2011-09-14 | 介国安 | 无设定泵类无液防空转保护器 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5276392A (en) * | 1993-01-06 | 1994-01-04 | Mechanical Ingenuity Corp. | Single phase AC motor speed control system |
US7821328B2 (en) * | 2008-12-18 | 2010-10-26 | Texas Instruments Incorporated | Dynamic charge pump system for front end protection circuit |
-
2011
- 2011-03-05 CN CN 201110060184 patent/CN102116284B/zh active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4885655A (en) * | 1987-10-07 | 1989-12-05 | Spring Valley Associates, Inc. | Water pump protector unit |
CN2308193Y (zh) * | 1997-06-25 | 1999-02-17 | 张安定 | 电动机保护器 |
CN2728071Y (zh) * | 2003-06-18 | 2005-09-21 | 介国安 | 数码设定电动机及泵类保护器 |
CN2937551Y (zh) * | 2006-06-14 | 2007-08-22 | 淄博永麒化工技术开发有限公司 | 电子防空转保护器 |
CN201975762U (zh) * | 2011-03-05 | 2011-09-14 | 介国安 | 无设定泵类无液防空转保护器 |
Also Published As
Publication number | Publication date |
---|---|
CN102116284A (zh) | 2011-07-06 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
TWI602372B (zh) | 電器設備監控方法與電器設備監控系統 | |
CN102116284B (zh) | 无设定泵类无液防空转保护器 | |
CN102222875A (zh) | 一种防雷、过流、过欠压保护电路及控制方法 | |
CN103615785B (zh) | 利用直流电机占空比判断空调过滤网洁净度的方法及装置 | |
CN111120290B (zh) | 一种压缩机的过载保护方法及过载保护装置 | |
CN113107829B (zh) | 一种水泵自动控制方法 | |
CN105262408A (zh) | 一种电机的控制方法及系统 | |
CN201975762U (zh) | 无设定泵类无液防空转保护器 | |
CN202797894U (zh) | 三相异步电动机的电源相序自动调整器 | |
WO2015058593A1 (zh) | 除湿机的控制方法、控制装置及除湿机 | |
CN104422895A (zh) | 电源侦测电路 | |
CN103151760B (zh) | 一种电动汽车电机过电流保护方法及保护电路 | |
CN205219043U (zh) | 一种手持式交流无刷电动工具 | |
CN107342579B (zh) | 交直流过流保护并自保持电路 | |
CN106949036B (zh) | 一种辅助用无油空气压缩机装置 | |
CN112146253A (zh) | 一种空调器及其压缩机控制方法 | |
CN205779713U (zh) | 一种罗茨水环真空机组自动控制电路 | |
CN104533770A (zh) | 一种能有效防止空气压缩机损坏的保护方法 | |
CN103944140A (zh) | 交流输入过压保护电路 | |
CN106088246A (zh) | 一种智能泵控制系统 | |
CN204008929U (zh) | 一种电磁线圈故障诊断装置 | |
CN103884059B (zh) | 一种空调风柜及空调系统 | |
CN106121985B (zh) | 一种智能泵控制装置 | |
CN2668889Y (zh) | 空压机智能控制、启动器 | |
CN113847262A (zh) | 一种控制电路及应用该控制电路的油气回收泵 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C53 | Correction of patent for invention or patent application | ||
CB02 | Change of applicant information |
Address after: 325207 Zhejiang province Ruian City Feiyun Town Yun Zhou Industrial Zone Thai Electric Appliance Co. Ltd Applicant after: Jie Guoan Address before: 325400 Zhejiang County of Pingyang Province town of Kunyang liberation Street No. 114 Applicant before: Jie Guoan |
|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C53 | Correction of patent for invention or patent application | ||
CB03 | Change of inventor or designer information |
Inventor after: Hu Chengwei Inventor after: Jie Guoan Inventor before: Jie Guoan |
|
COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: JIE GUO AN TO: HU CHENGWEI JIE GUO AN |
|
ASS | Succession or assignment of patent right |
Owner name: STATE GRID CORPORATION OF CHINA Free format text: FORMER OWNER: JIE GUO AN Effective date: 20141127 Owner name: HEBI POWER SUPPLY COMPANY, STATE GRID HENAN ELECTR Effective date: 20141127 |
|
C41 | Transfer of patent application or patent right or utility model | ||
C53 | Correction of patent for invention or patent application | ||
CB03 | Change of inventor or designer information |
Inventor after: Li Wansheng Inventor after: Yang Weiyan Inventor after: Jie Guoan Inventor after: Hu Chengwei Inventor before: Hu Chengwei Inventor before: Jie Guoan |
|
COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 325207 WENZHOU, ZHEJIANG PROVINCE TO: 100031 XICHENG, BEIJING Free format text: CORRECT: INVENTOR; FROM: HU CHENGWEI JIE GUO AN TO: LI WANSHENG YANG WEIYAN JIE GUO AN HU CHENGWEI |
|
TR01 | Transfer of patent right |
Effective date of registration: 20141127 Address after: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing Patentee after: State Grid Corporation of China Patentee after: HEBI POWER SUPPLY COMPANY OF STATE GRID HENAN ELECTRIC POWER COMPANY Address before: 325207 Zhejiang province Ruian City Feiyun Town Yun Zhou Industrial Zone Thai Electric Appliance Co. Ltd Patentee before: Jie Guoan |