CN104712589A - 风扇 - Google Patents
风扇 Download PDFInfo
- Publication number
- CN104712589A CN104712589A CN201310677947.1A CN201310677947A CN104712589A CN 104712589 A CN104712589 A CN 104712589A CN 201310677947 A CN201310677947 A CN 201310677947A CN 104712589 A CN104712589 A CN 104712589A
- Authority
- CN
- China
- Prior art keywords
- fan
- signal
- amplifier
- impeller
- phase inverter
- 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.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
- F04D29/663—Sound attenuation
- F04D29/665—Sound attenuation by means of resonance chambers or interference
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
- Circuit For Audible Band Transducer (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
Description
Claims (3)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201310677947.1A CN104712589A (zh) | 2013-12-13 | 2013-12-13 | 风扇 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201310677947.1A CN104712589A (zh) | 2013-12-13 | 2013-12-13 | 风扇 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN104712589A true CN104712589A (zh) | 2015-06-17 |
Family
ID=53412217
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201310677947.1A Pending CN104712589A (zh) | 2013-12-13 | 2013-12-13 | 风扇 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN104712589A (zh) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107909992A (zh) * | 2017-12-04 | 2018-04-13 | 成都星达微科技有限公司 | 一种供电稳定的校园宿舍主动降噪系统 |
CN107993644A (zh) * | 2017-12-04 | 2018-05-04 | 成都星达微科技有限公司 | 一种基于定时开关的校园宿舍主动降噪系统 |
TWI645116B (zh) * | 2017-09-20 | 2018-12-21 | 中原大學 | 風扇噪音控制系統 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101498321A (zh) * | 2008-02-02 | 2009-08-05 | 奇鋐科技股份有限公司 | 风扇噪音消除系统 |
CN201292994Y (zh) * | 2008-11-12 | 2009-08-19 | 元山科技工业股份有限公司 | 低噪音的散热风扇 |
CN102374202A (zh) * | 2010-08-27 | 2012-03-14 | 海尔集团公司 | 无噪音无扇叶风扇 |
CN202673791U (zh) * | 2012-05-29 | 2013-01-16 | 张秀英 | 一种消音风扇 |
CN202914408U (zh) * | 2012-11-26 | 2013-05-01 | 深圳兴奇宏科技有限公司 | 风扇噪音及振动消除系统 |
CN103244465A (zh) * | 2013-05-03 | 2013-08-14 | 湖北文理学院 | 用于便携式计算机的主动风扇噪音控制系统 |
-
2013
- 2013-12-13 CN CN201310677947.1A patent/CN104712589A/zh active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101498321A (zh) * | 2008-02-02 | 2009-08-05 | 奇鋐科技股份有限公司 | 风扇噪音消除系统 |
CN201292994Y (zh) * | 2008-11-12 | 2009-08-19 | 元山科技工业股份有限公司 | 低噪音的散热风扇 |
CN102374202A (zh) * | 2010-08-27 | 2012-03-14 | 海尔集团公司 | 无噪音无扇叶风扇 |
CN202673791U (zh) * | 2012-05-29 | 2013-01-16 | 张秀英 | 一种消音风扇 |
CN202914408U (zh) * | 2012-11-26 | 2013-05-01 | 深圳兴奇宏科技有限公司 | 风扇噪音及振动消除系统 |
CN103244465A (zh) * | 2013-05-03 | 2013-08-14 | 湖北文理学院 | 用于便携式计算机的主动风扇噪音控制系统 |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI645116B (zh) * | 2017-09-20 | 2018-12-21 | 中原大學 | 風扇噪音控制系統 |
CN107909992A (zh) * | 2017-12-04 | 2018-04-13 | 成都星达微科技有限公司 | 一种供电稳定的校园宿舍主动降噪系统 |
CN107993644A (zh) * | 2017-12-04 | 2018-05-04 | 成都星达微科技有限公司 | 一种基于定时开关的校园宿舍主动降噪系统 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
TWI405909B (zh) | Fan noise cancellation system | |
WO2010104995A3 (en) | Noise error amplitude reduction | |
JP2008199490A5 (zh) | ||
CN102355214B (zh) | 可调增益音频功率放大电路 | |
CN101498321B (zh) | 风扇噪音消除系统 | |
WO2016086620A1 (zh) | 通信设备及其多风扇控制方法和装置 | |
CN104712589A (zh) | 风扇 | |
IN2012DE00446A (zh) | ||
CN103633959A (zh) | 一种智能音频自动控制系统 | |
CN203902837U (zh) | 一种直升机桨叶反相位消声装置 | |
CN103118317A (zh) | 音频放大电路 | |
CN203243288U (zh) | 音量自动控制装置 | |
CN202673791U (zh) | 一种消音风扇 | |
CN202334444U (zh) | 可调增益音频功率放大电路 | |
CN203675303U (zh) | 一种用于音响产品的分频段自适应增益控制系统 | |
CN103557188A (zh) | 一种直流压电式风扇 | |
CN203882607U (zh) | 一种消声器 | |
CN103841492A (zh) | 一种音频信号的输出方法及装置 | |
CN105645359A (zh) | 一种具有降噪音功能的制氧机及降噪音方法 | |
CN203181203U (zh) | 一种多媒体音箱 | |
TW201528250A (zh) | 風扇 | |
CN204929209U (zh) | 一种抑制谐振的麦克风单体 | |
CN102705268A (zh) | 一种消音风扇 | |
JP2018163304A (ja) | 信号処理装置およびアクティブノイズキャンセルシステム | |
CN203632627U (zh) | 一种差分信号放大电路 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20180302 Address after: Haiyun Binhai Economic and Technological Development Zone, Tianjin City, No. 80 300457 Street Applicant after: Hongfujin Precision Electronics (Tianjin) Co., Ltd. Address before: Haiyun Binhai Economic and Technological Development Zone, Tianjin City, No. 80 300457 Street Applicant before: Hongfujin Precision Electronics (Tianjin) Co., Ltd. Applicant before: Hon Hai Precision Industry Co., Ltd. |
|
TA01 | Transfer of patent application right | ||
RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150617 |
|
RJ01 | Rejection of invention patent application after publication |