CN105526196A - Noise reduction fan - Google Patents
Noise reduction fan Download PDFInfo
- Publication number
- CN105526196A CN105526196A CN201510882657.XA CN201510882657A CN105526196A CN 105526196 A CN105526196 A CN 105526196A CN 201510882657 A CN201510882657 A CN 201510882657A CN 105526196 A CN105526196 A CN 105526196A
- Authority
- CN
- China
- Prior art keywords
- frame
- noise reduction
- inner housing
- exhaust outlet
- magnetic force
- 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
- F04D29/664—Sound attenuation by means of sound absorbing material
-
- 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
- F04D29/02—Selection of particular materials
- F04D29/023—Selection of particular materials especially adapted for elastic fluid pumps
-
- 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
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/4206—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
- F04D29/4226—Fan casings
-
- 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
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/4206—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
- F04D29/4226—Fan casings
- F04D29/4246—Fan casings comprising more than one outlet
-
- 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
- F04D29/668—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps damping or preventing mechanical vibrations
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2300/00—Materials; Properties thereof
- F05D2300/50—Intrinsic material properties or characteristics
- F05D2300/507—Magnetic properties
Abstract
The invention discloses a noise reduction fan. The noise reduction fan is technically characterized by comprising a shell and a wind generation device arranged in the shell, wherein the shell comprises an inner shell and an outer shell; the inner shell is arranged in the outer shell in suspension; a hollow cavity is formed between the inner shell and the outer shell; a silencer is arranged in the hollow cavity. As the inner shell is arranged in the outer shell in suspension, vibration generated in the inner shell by the wind generation device and transmitted to the outer shell is reduced, vibration generated by the outer shell is reduced, thus vibration between the outer shell and the ground is reduced, noise produced on the ground by the vibration of the outer shell is reduced and good noise reduction effect is achieved; meanwhile the silencer is arranged in the hollow cavity and is used for generating an inverted sound wave to eliminate the noise generated by the inner shell and caused by the vibration of the inner shell which is produced by the vibration of the wind generation device.
Description
Technical field
The present invention relates to mechanical field, more particularly, it relates to a kind of noise reduction fans.
Background technique
Blower fan is a kind of general machinery equipment, and using scope is very wide, and the production of the every profession and trades such as electric power, mine, machinery, metallurgy, chemical industry all be unable to do without blower fan.The noise of the on-stream generation of blower fan usually affects the misfortune source of workers ' health and interference environment, particularly close on the blower fan in living area, the air power noise that its intake grill and exhaust outlet give off, the principal element of befouling environment especially, forming public hazards, is one of main object of Industry Branch intelligence noise pollution in recent years.
In prior art, the patent of invention that application number is " 201010522009.0 " discloses a kind of low-noise fan, it is by being provided with inner casing and shell, and between inside and outside shell, be provided with sound absorbing material, by the sound absorption of sound absorbing material to sound absorbing material, serve the effect reducing noise, this kind of sound absorbing material has certain remarkable result, but in some extraordinary production industries, the such as production industry of earphone film, a bit noise all can cause vibration during biological earphone film shaping, thus cause the shaping failure of earphone film, so need a kind of noise reduction fans of super low noise.
Summary of the invention
For the deficiency that prior art exists, the object of the present invention is to provide a kind of noise reduction fans reducing noise.
For achieving the above object, the invention provides following technological scheme: a kind of noise reduction fans, comprise housing and be arranged on the product wind apparatus in housing, described housing comprises inner housing and frame, described inner housing suspends and is arranged in frame, be formed with cavity between described inner housing and frame, in described cavity, be provided with silencer.
As preferably, described inner housing and frame are made up of Nonferromugnetic material.
As preferably, described inner housing is provided with the first magnetic force generator, described frame is provided with the second magnetic force generator the first magnetic force generator being produced to repulsion.
Further, by being provided with the first magnetic force generator and the second magnetic force generator, repulsion is created between first magnetic force generator and the second magnetic force generator, by repulsion, inner housing is suspended in frame, thus achieve inner housing and be suspended in frame, avoid and directly make inner housing be suspended in frame by the link position between inner housing and frame, strengthen the join strength of the link position of inner housing and frame, simultaneously the first magnetic force generator for application number be electromagnetic suspension apparatus disclosed in the patent of invention of " 201010616240.6 ", this electromagnetic suspension apparatus comprises the magnetic field generator with electromagnetic coil, second magnetic force generator can be the electromagnet of reverse magnetic pole simultaneously, first magnetic force generator can exchange with the second magnetic force generator simultaneously, so the first magnetic force generator can produce repulsion to the second magnetic force generator, inner housing is suspended, be provided with inner housing and frame that Nonferromugnetic material makes, what avoid that magnetic force generator causes ferromagnetic substance to be made collides between inner housing and frame simultaneously.
As preferably, be provided with the abutting part for abutting inner housing in described frame, described second magnetic means is arranged in abutting part.
Further, by being provided with abutting part, thus when magnetic force generator does not produce magnetic force, due to the space between inner housing and frame larger time, by abutting part by inner housing jack-up, prevent the situation that the aduncate distortion of inner housing is excessive.
As preferably, described frame is provided with the first exhaust outlet, the position that described inner casing physical culture first exhaust outlet coordinates is provided with the second exhaust outlet, be provided with Flexible Connector between described first exhaust outlet and the second exhaust outlet, connected by Flexible Connector between described first exhaust outlet and the second exhaust outlet.
Further, by being provided with the first exhaust outlet and the second exhaust outlet for discharging producing the wind that wind apparatus produces, but owing to there is gap between inner housing and frame, therefore by Flexible Connector, the first exhaust outlet is connected with the second exhaust outlet, Flexible Connector adopts the elastic ring that rubber material is made simultaneously, also can reduce link position unique between inner housing and frame, namely minimizing frame is passed to the vibration between frame, reduces the noise produced.
As preferably, described frame is provided with noise reduction layer.
Further, by being provided with noise reduction layer, thus decrease frame due to sound wave transmission thus produce vibration.
As preferably, described noise reduction layer is sponge acoustical panel.
Further, the sponge acoustical panel in the present invention is sponge, and sponge can effectively reduce the vibration that frame produces, and can isolate frame and air simultaneously, prevent frame from air is vibrated, thus reduces the generation of noise.
As preferably, described silencer comprises acoustic detector and sound wave generating device.
Further, acoustic detector in the present invention is a signal collection device, such as MIC microphone, and sound wave generating device, such as loudspeaker, noise detected by acoustic detector, then produced for the anti-phase counteracting sound wave of the audio frequency sound of offset noise by loudspeaker, thus eliminate the sound wave of cavity inside
As preferably, be provided with several flexible connecting members in described cavity, one end of described flexible connecting member is fixedly connected with inner housing or frame respectively, the other end of described flexible connecting member and acoustic detector or sound wave generating device.
Further, inner housing or frame is driven to vibrate when producing sound wave in order to prevent sound wave generation device, acoustic detector and sound wave generating device are fixed by flexible connecting member, simultaneously flexible connecting member adopts rope etc. can not the link of transmitting vibrations.
By adopting technique scheme, be arranged in frame by inner housing is suspended, thus decrease owing to producing the vibration passing that produces in inner housing of wind apparatus on frame, reduce the vibration that frame produces, therefore the vibration decreased between frame and ground, decrease the noise that the vibration due to frame produces on the ground, serve good erasure effect; In cavity, be provided with silencer simultaneously, for generation of reverse sound wave, eliminate the vibration of producing wind apparatus and make inner housing vibrate the noise that inner housing is occurred.
Accompanying drawing explanation
Fig. 1 is structural representation one of the present invention;
Fig. 2 is generalized section of the present invention;
Fig. 3 is the portion of A shown in Fig. 2 enlarged diagram;
Fig. 4 is the portion of B shown in Fig. 2 enlarged diagram.
In figure: 01, inner housing; 02, frame; 03, the first exhaust outlet; 04, the second exhaust outlet; 2, Flexible Connector; 05, noise reduction layer; 3, acoustic detector; 4, sound wave generating device; 5, flexible connecting member; 6, the first magnetic force generator; 7, the second magnetic force generator; 8, abutting part.
Embodiment
Referring to figs. 1 through Fig. 4, embodiments of the invention are described further.
As shown in Figure 1, a kind of noise reduction fans, comprise housing and be arranged on the product wind apparatus in housing, described housing comprises inner housing 01 and frame 02, described inner housing 01 suspends and is arranged in frame 02, cavity is formed between described inner housing 01 and frame 02, silencer is provided with in described cavity, be arranged in frame 02 by inner housing 01 is suspended, thus decrease owing to producing the vibration passing that produces in inner housing 01 of wind apparatus on frame 02, reduce the vibration that frame 02 produces, therefore the vibration decreased between frame 02 and ground, decrease the noise that the vibration due to frame 02 produces on the ground, serve good erasure effect, in cavity, be provided with silencer simultaneously, for generation of reverse sound wave, eliminating the vibration of producing wind apparatus makes inner housing 01 vibrate the noise that inner housing 01 is occurred, inner housing 01 and frame 02 are made up of Nonferromugnetic material, described inner housing 01 is provided with the first magnetic force generator 6, described frame 02 is provided with the second magnetic force generator 7 the first magnetic force generator 6 being produced to repulsion, by being provided with the first magnetic force generator 6 and the second magnetic force generator 7, repulsion is created between first magnetic force generator 6 and the second magnetic force generator 7, by repulsion, inner housing 01 is suspended in frame 02, thus achieve inner housing 01 and be suspended in frame 02, avoid and directly make inner housing 01 be suspended in frame 02 by the link position between inner housing 01 and frame 02, strengthen the join strength of the link position of inner housing 01 and frame 02, simultaneously the first magnetic force generator 6 for application number be electromagnetic suspension apparatus disclosed in the patent of invention of " 201010616240.6 ", this electromagnetic suspension apparatus comprises the magnetic field generator with electromagnetic coil, second magnetic force generator 7 can be the electromagnet of reverse magnetic pole simultaneously, first magnetic force generator 6 can exchange with the second magnetic force generator 7 simultaneously, so the first magnetic force generator 6 can produce repulsion to the second magnetic force generator 7, inner housing 01 is suspended, be provided with inner housing 01 and frame 02 that Nonferromugnetic material makes, what avoid that magnetic force generator causes ferromagnetic substance to be made collides between inner housing 01 and frame 02 simultaneously.
As shown in Figure 4, the abutting part 8 for abutting inner housing 01 is provided with in described frame 02, described second magnetic means is arranged in abutting part 8, by being provided with abutting part 8, thus when magnetic force generator does not produce magnetic force, due to the space between inner housing 01 and frame 02 larger time, by abutting part 8 by inner housing 01 jack-up, prevent the situation that the aduncate distortion of inner housing 01 is excessive.
As shown in Figures 2 and 3, described frame 02 is provided with the first exhaust outlet 03, the position that described inner housing 01 educates the first exhaust outlet 03 cooperation is provided with the second exhaust outlet 04, Flexible Connector 2 is provided with between described first exhaust outlet 03 and the second exhaust outlet 04, connected by Flexible Connector 2 between described first exhaust outlet 03 and the second exhaust outlet 04, by being provided with the first exhaust outlet 03 and the second exhaust outlet 04 for discharging producing the wind that wind apparatus produces, but owing to there is gap between inner housing 01 and frame 02, therefore by Flexible Connector 2, first exhaust outlet 03 is connected with the second exhaust outlet 04, simultaneously Flexible Connector 2 elastic ring that adopts rubber material to make, also link position unique between inner housing 01 and frame 02 can be reduced, namely minimizing frame 02 is passed to the vibration between frame 02, reduce the noise produced.
As shown in Figure 4, described frame 02 is provided with noise reduction layer 05, by being provided with noise reduction layer 05, thus decrease frame 02 due to sound wave transmission thus produce vibration, noise reduction layer 05 is sponge acoustical panel, and the sponge acoustical panel in the present invention is sponge, sponge effectively can reduce the vibration that frame 02 produces, frame 02 and air can be isolated simultaneously, prevent frame 02 from air is vibrated, thus reduce the generation of noise.
As shown in Figure 3, silencer comprises acoustic detector 3 and sound wave generating device 4, acoustic detector 3 in the present invention is a signal collection device, such as MIC microphone, such as, with sound wave generating device 4, loudspeaker, noise detected by acoustic detector 3, then produced for the anti-phase counteracting sound wave of the audio frequency sound of offset noise by loudspeaker, thus eliminate the sound of cavity inside; Several flexible connecting members 5 are provided with in cavity, one end of described flexible connecting member 5 is fixedly connected with inner housing 01 or frame 02 respectively, the other end of described flexible connecting member 5 and acoustic detector 3 or sound wave generating device 4, inner housing 01 or frame 02 is driven to vibrate when producing sound wave in order to prevent sound wave generation device, acoustic detector 3 and sound wave generating device 4 are fixed by flexible connecting member 5, simultaneously flexible connecting member 5 adopts rope etc. can not the link of transmitting vibrations.
The above is only the preferred embodiment of the present invention, protection scope of the present invention be not only confined to above-described embodiment, and all technological schemes belonged under thinking of the present invention all belong to protection scope of the present invention.It should be pointed out that for those skilled in the art, some improvements and modifications without departing from the principles of the present invention, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (9)
1. noise reduction fans, comprise housing and be arranged on the product wind apparatus in housing, described housing comprises inner housing and frame, it is characterized in that: described inner housing suspends and is arranged in frame, be formed with cavity between described inner housing and frame, in described cavity, be provided with silencer.
2. noise reduction fans according to claim 1, is characterized in that: described inner housing and frame are made up of Nonferromugnetic material.
3. noise reduction fans according to claim 2, is characterized in that: described inner housing is provided with the first magnetic force generator, described frame are provided with the second magnetic force generator the first magnetic force generator being produced to repulsion.
4. noise reduction fans according to claim 3, is characterized in that: be provided with the abutting part for abutting inner housing in described frame, and described second magnetic means is arranged in abutting part.
5. noise reduction fans according to claim 1, it is characterized in that: described frame is provided with the first exhaust outlet, the position that described inner casing physical culture first exhaust outlet coordinates is provided with the second exhaust outlet, be provided with Flexible Connector between described first exhaust outlet and the second exhaust outlet, connected by Flexible Connector between described first exhaust outlet and the second exhaust outlet.
6. noise reduction fans according to claim 1, is characterized in that: described frame is provided with noise reduction layer.
7. noise reduction fans according to claim 6, is characterized in that: described noise reduction layer is sponge acoustical panel.
8. noise reduction fans according to claim 1, is characterized in that: described silencer comprises acoustic detector and sound wave generating device.
9. noise reduction fans according to claim 8, it is characterized in that: in described cavity, be provided with several flexible connecting members, one end of described flexible connecting member is fixedly connected with inner housing or frame respectively, the other end of described flexible connecting member and acoustic detector or sound wave generating device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510882657.XA CN105526196A (en) | 2015-12-03 | 2015-12-03 | Noise reduction fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510882657.XA CN105526196A (en) | 2015-12-03 | 2015-12-03 | Noise reduction fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105526196A true CN105526196A (en) | 2016-04-27 |
Family
ID=55768624
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510882657.XA Pending CN105526196A (en) | 2015-12-03 | 2015-12-03 | Noise reduction fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105526196A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112716396A (en) * | 2021-01-09 | 2021-04-30 | 余贾荣 | Wet type cleaning device |
| CN112901538A (en) * | 2021-03-19 | 2021-06-04 | 马冲 | Energy-saving magnetic suspension fan |
| WO2022148194A1 (en) * | 2021-01-09 | 2022-07-14 | 苏州简单有为科技有限公司 | Wet cleaning apparatus |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03160194A (en) * | 1989-11-15 | 1991-07-10 | Kenji Oe | Fan |
| JPH0544687A (en) * | 1991-08-16 | 1993-02-23 | Toshiba Corp | Fan |
| NL9401288A (en) * | 1994-08-08 | 1996-03-01 | Abb Lummus Heat Transfer | Ventilating fan (blower) |
| CN101949387A (en) * | 2010-05-05 | 2011-01-19 | 吴新尧 | Wind tunnel-type fan |
| CN102075712A (en) * | 2010-12-31 | 2011-05-25 | 广东长虹电子有限公司 | Electromagnetic suspension remote control device and television |
| CN102635563A (en) * | 2012-04-17 | 2012-08-15 | 徐荻明 | Wheel-type fan driving method and wheel-type fan |
| CN202914408U (en) * | 2012-11-26 | 2013-05-01 | 深圳兴奇宏科技有限公司 | Fan noise and vibration elimination system |
| CN203175902U (en) * | 2013-03-01 | 2013-09-04 | 杭州亿脑智能科技有限公司 | Bladeless fan |
| CN204827978U (en) * | 2015-08-10 | 2015-12-02 | 常州骏嘉纺织染整有限公司 | Steady type air -blower |
-
2015
- 2015-12-03 CN CN201510882657.XA patent/CN105526196A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03160194A (en) * | 1989-11-15 | 1991-07-10 | Kenji Oe | Fan |
| JPH0544687A (en) * | 1991-08-16 | 1993-02-23 | Toshiba Corp | Fan |
| NL9401288A (en) * | 1994-08-08 | 1996-03-01 | Abb Lummus Heat Transfer | Ventilating fan (blower) |
| CN101949387A (en) * | 2010-05-05 | 2011-01-19 | 吴新尧 | Wind tunnel-type fan |
| CN102075712A (en) * | 2010-12-31 | 2011-05-25 | 广东长虹电子有限公司 | Electromagnetic suspension remote control device and television |
| CN102635563A (en) * | 2012-04-17 | 2012-08-15 | 徐荻明 | Wheel-type fan driving method and wheel-type fan |
| CN202914408U (en) * | 2012-11-26 | 2013-05-01 | 深圳兴奇宏科技有限公司 | Fan noise and vibration elimination system |
| CN203175902U (en) * | 2013-03-01 | 2013-09-04 | 杭州亿脑智能科技有限公司 | Bladeless fan |
| CN204827978U (en) * | 2015-08-10 | 2015-12-02 | 常州骏嘉纺织染整有限公司 | Steady type air -blower |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112716396A (en) * | 2021-01-09 | 2021-04-30 | 余贾荣 | Wet type cleaning device |
| CN113876266A (en) * | 2021-01-09 | 2022-01-04 | 苏州简单有为科技有限公司 | Wet type cleaning device |
| CN113876265A (en) * | 2021-01-09 | 2022-01-04 | 苏州简单有为科技有限公司 | Wet type cleaning device |
| CN113925406A (en) * | 2021-01-09 | 2022-01-14 | 苏州简单有为科技有限公司 | Wet type cleaning device |
| WO2022148194A1 (en) * | 2021-01-09 | 2022-07-14 | 苏州简单有为科技有限公司 | Wet cleaning apparatus |
| CN112901538A (en) * | 2021-03-19 | 2021-06-04 | 马冲 | Energy-saving magnetic suspension fan |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160427 |