CN102705269A - Silencing fan with two fan blades - Google Patents

Silencing fan with two fan blades Download PDF

Info

Publication number
CN102705269A
CN102705269A CN2012101734959A CN201210173495A CN102705269A CN 102705269 A CN102705269 A CN 102705269A CN 2012101734959 A CN2012101734959 A CN 2012101734959A CN 201210173495 A CN201210173495 A CN 201210173495A CN 102705269 A CN102705269 A CN 102705269A
Authority
CN
China
Prior art keywords
fan
rotating shaft
flabellum
axle sleeve
noise reduction
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
Application number
CN2012101734959A
Other languages
Chinese (zh)
Inventor
陈振圳
Original Assignee
张秀英
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 张秀英 filed Critical 张秀英
Priority to CN2012101734959A priority Critical patent/CN102705269A/en
Publication of CN102705269A publication Critical patent/CN102705269A/en
Pending legal-status Critical Current

Links

Abstract

The invention discloses a silencing fan with two fan blades. The fan comprises a driving motor, and a first fan blade arranged on a rotating shaft of the driving motor, wherein a second fan blade which has the same size as the first fan blade is arranged on the rotating shaft and fixed on a shaft sleeve; the shaft sleeve is sleeved outside the rotating shaft and not contacted with the rotating shaft; the shaft sleeve and the rotating shaft rotate at the same speed in opposite directions; and the installation direction of the second fan blade is opposite to that of the first fan blade. According to the silencing fan with the two fan blades, the two fan blades rotate in opposite directions, and noise generated when the two fan blades work is mutually interfered and offset, so that a silencing effect is achieved; and meanwhile, the first fan blade and the second fan blade are oppositely arranged, and do work and blow air in the same direction when rotating in opposite directions, so that the air pressure and air quantity of the output end can be increased, and suction is increased at the input end of the fan.

Description

A kind of noise reduction fan of biparting leaf
Technical field
The present invention relates to the noise reduction fan of a kind of fan, particularly a kind of biparting leaf.
Background technique
At present, fan is the household electric appliance that frequently touch in people's daily life, and fan can directly apply to and be that people blowing, fan can also be applied on the sink of computer or on the extraction fan of range hood.But more existing fans are because power is bigger, and like the extraction fan on the range hood, noise is bigger during work, influences people's life.
Summary of the invention
In order to solve the problems of the technologies described above, the object of the present invention is to provide a kind of fan of high-power low noise.
The technological scheme that the present invention adopted mainly is:
A kind of noise reduction fan of biparting leaf; Comprise drive motor, be installed in first flabellum in the rotating shaft of drive motor; Said rotating shaft is provided with and equal-sized second flabellum of first flabellum, and said second flabellum is fixed on the axle sleeve, and said axle sleeve is socketed in outside the rotating shaft and with rotating shaft and does not contact; The rotating speed equidirectional of said axle sleeve and rotating shaft is opposite, and the installation direction of said second flabellum is opposite with first flabellum.
As the further improvement of technique scheme, said axle sleeve is preferably through second drive motor drives; The driving mode of axle sleeve is not limited to adopt motor driving, and said axle sleeve can also be driven by rotating shaft through the gear transmission group; Perhaps be connected rotating shaft with the transmission leather strap, drive by rotating shaft through drive wheel.
As the further improvement of technique scheme, said first flabellum and second flabellum can be axial flow or centrifugal, and the setting angle of said first flabellum and second flabellum is opposite fully.
The invention has the beneficial effects as follows: the noise reduction fan of this biparting leaf is owing to two flabellum backward rotation, and the noise that produces during two flabellums work interferes with each other, and cancels each other, and plays the effect of noise reduction; Because first flabellum and the antipodal relation of the second flabellum setting angle during both backward rotation, are to same direction acting blowing, can increase the blast and the air quantity of output terminal, and promote suction simultaneously at the fan input end.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the present invention is done further detailed explanation.
Fig. 1 is a structural representation of the present invention.
Embodiment
With reference to Fig. 1, the noise reduction fan of a kind of biparting leaf provided by the invention comprises drive motor 5, and first flabellum 2 is installed in the rotating shaft 1 of drive motor 5, and said first flabellum 2 is by drive motor 5 driven rotary; Rotating shaft 1 is provided with first flabellum, 2 equal-sized second flabellum, 3, the first flabellums 2 and second flabellum 3 and can be axial flow or centrifugal, and the setting angle of first flabellum 2 and second flabellum 3 is opposite fully; Second flabellum 3 is fixed on the axle sleeve 4, and said axle sleeve 4 is socketed in outside the rotating shaft 1 and with rotating shaft 1 and does not contact, and is preferred; Axle sleeve 4 connects second drive motor; And by the motor driving rotation, the rotating speed of axle sleeve 4 is identical with the rotating speed of rotating shaft 1, the direction of rotation of axle sleeve 4 sense of rotation and rotating shaft 1.In addition, axle sleeve 4 can also connect rotating shaft 1 through driving mechanism, and drives rotation by rotating shaft 1, and said driving mechanism can be the gear transmission group, and driving mechanism can also be made up of drive wheel and transmission leather strap.
The noise reduction fan of this biparting leaf is owing to two flabellum 2,3 backward rotation, and the noise that produces during two flabellums work interferes with each other, and cancels each other, and plays the effect of noise reduction; Because the relation of first flabellum 2 and second flabellum, 3 anti-dresses during both backward rotation, is to same direction acting blowing, can increases the blast and the air quantity of output terminal, and promote suction simultaneously at the fan input end.
The above is merely preferential mode of execution of the present invention, as long as realize that with basic identical means the technological scheme of the object of the invention all belongs within protection scope of the present invention.

Claims (5)

1. the noise reduction fan of a biparting leaf; Comprise drive motor (5), be installed in first flabellum (2) in the rotating shaft (1) of drive motor (5); It is characterized in that: said rotating shaft (1) is provided with and equal-sized second flabellum of first flabellum (2) (3); Said second flabellum (3) is fixed on the axle sleeve (4); Said axle sleeve (4) is socketed in outside the rotating shaft (1) and with rotating shaft (1) and does not contact, and said axle sleeve (4) is opposite with the rotating speed equidirectional of rotating shaft (1), and the installation direction of said second flabellum (3) and first flabellum (2) are opposite.
2. the noise reduction fan of a kind of biparting leaf according to claim 1 is characterized in that: said axle sleeve (4) is through second drive motor drives.
3. the noise reduction fan of a kind of biparting leaf according to claim 1, it is characterized in that: said axle sleeve (4) is driven by rotating shaft (1) through the gear transmission group.
4. the noise reduction fan of a kind of biparting leaf according to claim 1 is characterized in that: said axle sleeve (4) is connected rotating shaft (1) through drive wheel and is driven by rotating shaft (1) with the transmission leather strap.
5. the noise reduction fan of a kind of biparting leaf according to claim 1, it is characterized in that: said first flabellum (2) and second flabellum (3) can be axial flow or centrifugal, and the setting angle of said first flabellum (2) and second flabellum (3) is opposite fully.
CN2012101734959A 2012-05-29 2012-05-29 Silencing fan with two fan blades Pending CN102705269A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2012101734959A CN102705269A (en) 2012-05-29 2012-05-29 Silencing fan with two fan blades

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2012101734959A CN102705269A (en) 2012-05-29 2012-05-29 Silencing fan with two fan blades

Publications (1)

Publication Number Publication Date
CN102705269A true CN102705269A (en) 2012-10-03

Family

ID=46898261

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2012101734959A Pending CN102705269A (en) 2012-05-29 2012-05-29 Silencing fan with two fan blades

Country Status (1)

Country Link
CN (1) CN102705269A (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103527499A (en) * 2013-11-08 2014-01-22 广西科技大学鹿山学院 Electric fan with two blades
CN105201908A (en) * 2015-10-26 2015-12-30 珠海格力电器股份有限公司 Axial-flow impeller and fan or air conditioner provided with same
CN108644153A (en) * 2018-05-27 2018-10-12 东莞市兴东电子有限公司 A kind of side-entry wind turbine
WO2020010809A1 (en) * 2018-07-09 2020-01-16 广东美的环境电器制造有限公司 Fan
WO2020077795A1 (en) * 2018-10-15 2020-04-23 广东美的白色家电技术创新中心有限公司 Contra-rotating fan
WO2020077813A1 (en) * 2018-10-15 2020-04-23 广东美的白色家电技术创新中心有限公司 Counter-rotating fan
CN111911429A (en) * 2019-05-08 2020-11-10 广东美的环境电器制造有限公司 Fan with cooling device

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1804405A (en) * 2005-01-13 2006-07-19 郑宗殷 Electric fan
CN101776095A (en) * 2009-12-19 2010-07-14 广东美的电器股份有限公司 Method for improving noise of double wind wheel resonance
CN102052339A (en) * 2011-01-20 2011-05-11 浙江理工大学 Double-layer reverse axial fan
CN202091226U (en) * 2011-06-13 2011-12-28 张龙雨 Double-fan structure
CN202673711U (en) * 2012-05-29 2013-01-16 张秀英 Noise reduction fan with double fan blades

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1804405A (en) * 2005-01-13 2006-07-19 郑宗殷 Electric fan
CN101776095A (en) * 2009-12-19 2010-07-14 广东美的电器股份有限公司 Method for improving noise of double wind wheel resonance
CN102052339A (en) * 2011-01-20 2011-05-11 浙江理工大学 Double-layer reverse axial fan
CN202091226U (en) * 2011-06-13 2011-12-28 张龙雨 Double-fan structure
CN202673711U (en) * 2012-05-29 2013-01-16 张秀英 Noise reduction fan with double fan blades

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103527499A (en) * 2013-11-08 2014-01-22 广西科技大学鹿山学院 Electric fan with two blades
CN103527499B (en) * 2013-11-08 2016-03-09 广西科技大学鹿山学院 With the electric fan of Dual-blade
CN105201908A (en) * 2015-10-26 2015-12-30 珠海格力电器股份有限公司 Axial-flow impeller and fan or air conditioner provided with same
CN108644153A (en) * 2018-05-27 2018-10-12 东莞市兴东电子有限公司 A kind of side-entry wind turbine
WO2020010809A1 (en) * 2018-07-09 2020-01-16 广东美的环境电器制造有限公司 Fan
WO2020077795A1 (en) * 2018-10-15 2020-04-23 广东美的白色家电技术创新中心有限公司 Contra-rotating fan
WO2020077813A1 (en) * 2018-10-15 2020-04-23 广东美的白色家电技术创新中心有限公司 Counter-rotating fan
CN111911429A (en) * 2019-05-08 2020-11-10 广东美的环境电器制造有限公司 Fan with cooling device

Similar Documents

Publication Publication Date Title
CN102705269A (en) Silencing fan with two fan blades
CN202673711U (en) Noise reduction fan with double fan blades
WO2005096716A3 (en) Fan for air conditioner
CN203879801U (en) Double-suction type centrifugal fan blade
CN203879799U (en) Double-suction centrifugal fan blade
CN203674955U (en) Speed-adjustable permanent magnetic actuator
CN106989035A (en) Energy saving low noise axial-flow blower
CN201170200Y (en) Swinging mechanism of industrial fan
CN206972574U (en) Energy saving low noise axial-flow blower
CN102840148A (en) Centrifugal ventilator
CN205639517U (en) Beam -pumping unit permanent magnetism transmission and beam -pumping unit
CN202334135U (en) Power assembly for construction elevator
CN205663635U (en) A high temperature ventilation blower for drying case
CN204226233U (en) Low noise integration centrifugal blower
CN203892261U (en) Shift fork type torque amplifying device
CN203822658U (en) Fan with inner rotor motor matched with outer rotor impeller
CN203335473U (en) Fan
CN202117984U (en) Transmission structure of impeller, centrifugal compressor comprising transmission structure and air conditioner comprising transmission structure
CN204704133U (en) A kind of stone working factory high-performance blower
CN206144828U (en) A brushless axial fan for electronic bus air conditioning system
CN203081858U (en) Low-noise air conditioner cooling fan
CN211722162U (en) Mute electric hair drier
CN207801734U (en) A kind of Wind-cooling type cartridge type permanent magnet clutch
CN201593516U (en) External-rotor centrifugal fan
CN202346554U (en) Construction hoist power assembly

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C12 Rejection of a patent application after its publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20121003