CN101737348B - 风扇控制电路 - Google Patents
风扇控制电路 Download PDFInfo
- Publication number
- CN101737348B CN101737348B CN2008101816327A CN200810181632A CN101737348B CN 101737348 B CN101737348 B CN 101737348B CN 2008101816327 A CN2008101816327 A CN 2008101816327A CN 200810181632 A CN200810181632 A CN 200810181632A CN 101737348 B CN101737348 B CN 101737348B
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- Prior art keywords
- coupled
- resistance
- nmos pass
- width modulation
- voltage
- 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.)
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- 230000010354 integration Effects 0.000 abstract description 15
- 239000003990 capacitor Substances 0.000 description 14
- 238000010586 diagram Methods 0.000 description 4
- 230000005669 field effect Effects 0.000 description 3
- 239000004065 semiconductor Substances 0.000 description 3
- 229910044991 metal oxide Inorganic materials 0.000 description 2
- 150000004706 metal oxides Chemical class 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
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- Control Of Electric Motors In General (AREA)
Abstract
Description
Claims (6)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2008101816327A CN101737348B (zh) | 2008-11-27 | 2008-11-27 | 风扇控制电路 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2008101816327A CN101737348B (zh) | 2008-11-27 | 2008-11-27 | 风扇控制电路 |
Publications (2)
Publication Number | Publication Date |
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CN101737348A CN101737348A (zh) | 2010-06-16 |
CN101737348B true CN101737348B (zh) | 2012-06-13 |
Family
ID=42461251
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN2008101816327A Expired - Fee Related CN101737348B (zh) | 2008-11-27 | 2008-11-27 | 风扇控制电路 |
Country Status (1)
Country | Link |
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CN (1) | CN101737348B (zh) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108873794B (zh) * | 2018-07-12 | 2021-08-10 | 郑州云海信息技术有限公司 | 一种散热风扇的控制设备、系统及方法 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20030019742A (ko) * | 2001-08-30 | 2003-03-07 | 엘지전자 주식회사 | 휴대형 시스템의 팬 구동 제어 장치 |
CN2850138Y (zh) * | 2005-11-29 | 2006-12-20 | 鸿富锦精密工业(深圳)有限公司 | 计算机电源风扇转速控制系统 |
CN100417002C (zh) * | 2005-08-11 | 2008-09-03 | 台达电子工业股份有限公司 | 风扇马达的驱动装置 |
-
2008
- 2008-11-27 CN CN2008101816327A patent/CN101737348B/zh not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20030019742A (ko) * | 2001-08-30 | 2003-03-07 | 엘지전자 주식회사 | 휴대형 시스템의 팬 구동 제어 장치 |
CN100417002C (zh) * | 2005-08-11 | 2008-09-03 | 台达电子工业股份有限公司 | 风扇马达的驱动装置 |
CN2850138Y (zh) * | 2005-11-29 | 2006-12-20 | 鸿富锦精密工业(深圳)有限公司 | 计算机电源风扇转速控制系统 |
Non-Patent Citations (1)
Title |
---|
铃木雅臣.1.《晶体管电路设计(下册)》.2004,全文. * |
Also Published As
Publication number | Publication date |
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CN101737348A (zh) | 2010-06-16 |
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Legal Events
Date | Code | Title | Description |
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C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CB03 | Change of inventor or designer information |
Inventor after: Gao Shuai Inventor after: Wang Shuaifu Inventor after: Zhang Le Inventor after: Li Qingyun Inventor after: Xiao Yang Inventor after: Guo Jibin Inventor after: Liang Jie Inventor before: Ke Tingzheng Inventor before: Huang Baixue |
|
CB03 | Change of inventor or designer information | ||
TR01 | Transfer of patent right |
Effective date of registration: 20170327 Address after: Hunan province Yueyang City Tonghai economic and Technological Development Zone north of Shanghai Science and Technology Park Patentee after: YUEYANG DIANFENG ELECTRONIC TECHNOLOGY CO., LTD. Address before: Taipei City, Taiwan Chinese Shilin District Hougang Street No. 66 Patentee before: Inventec Corporation |
|
TR01 | Transfer of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120613 Termination date: 20171127 |
|
CF01 | Termination of patent right due to non-payment of annual fee |