CN103174682A - Fan module - Google Patents
Fan module Download PDFInfo
- Publication number
- CN103174682A CN103174682A CN2011104377126A CN201110437712A CN103174682A CN 103174682 A CN103174682 A CN 103174682A CN 2011104377126 A CN2011104377126 A CN 2011104377126A CN 201110437712 A CN201110437712 A CN 201110437712A CN 103174682 A CN103174682 A CN 103174682A
- Authority
- CN
- China
- Prior art keywords
- noise reduction
- fan
- reduction assembly
- air
- flow path
- 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.)
- Granted
Links
Images
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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention relates to a fan module which comprises a fan and a silencing device which is arranged on the fan. The silencing device comprises a first silencing assembly, the first silencing assembly is attached to one side o the fan, an airflow passage corresponds to an air port of the fan, and the first silencing assembly is made of porous materials to absorb winding cutting sound or vibration generated in fan operation to reduce the noise generated in the fan operation.
Description
[technical field]
The present invention relates to a kind of blower module, particularly the blower module of relevant a kind of electronic equipment.
[background technique]
In the field of radiating of electrical assembly, because fan manufacturing technology door is not high, and the high advantage of tool low price, reliability and durability, make fan become the device that often adopts in field of radiating.Fan is to utilize its flabellum rotate and air is exerted pressure, and causing Air Flow, and reduces temperature arround fan by the air that flows in the mode of forced convection, and then reaches radiating effect.Only, when flabellum disturbance air, flabellum and air produce friction, and then produce wind at the flabellum edge and cut sound, in addition, when the wind inlet when Air Flow by fan or exhaust outlet, can produce pneumatic noise in the exhaust outlet of fan or wind inlet place and framework friction.
Although area faster when the rotating speed of flabellum or flabellum is larger, but more, stronger air quantity made, but the incident volume that is above-mentioned wind is cut sound and pneumatic noise strengthens.Generally be applicable to the fan of electrical assembly heat radiation, its intensity of sound of sending has 10 to 20 decibels (dB), for the user, may be insufferable noise.In addition, in fan frame, air-flow strikes against part on electric fan when airflow, causes the flabellum vibration, and then makes fan frame produce resonance effect, and produces extra vibrating noise.
For the volume that makes these noises reduces, rotational velocity that can be by reducing flabellum or dwindle fan blade area and reach, desirable air quantity in the time of but but can't reaching the fan running so keeps desirable air quantity simultaneously at the minimizing noise, just needs to add silencer and abates the noise.At present, be applied to the silencer of fan, be to utilize a housing greater than fan to cover whole fan, and be formed with two openings on housing, make fan air-flow be sucked and to discharge by two openings.This noise reduction mode mainly is limited in enclosure interior by housing with the noise that fan produces, and is passed to external environment to avoid fan noise, and then reaches the effect of noise reduction.But this kind noise reduction mode, housing greater than the fan volume must be provided, therefore tend in the use be subject to the restriction of space size, and be difficult to be applied in general electrical assembly, graph processing chips for example, radiation system in, or occupy too many space in electronic equipment inside, and the group that badly influences other electrical assembly is established.
In addition, another kind is applied in the noise reduction mode of fan, is in fan frame, the internal face corresponding with flabellum arranges cellular structure, makes fan when running, cuts sound when outwards transmitting via the wind that flabellum produces, can be absorbed by cellular structure, to reach the purpose that reduces fan noise.Only, the inner space of general fan frame is suitable with the volume of blast fan, therefore cause the exhaust outlet of flabellum set on impeller and framework and the distance between wind inlet too short, and then make the cellular structure of frame inner wall face, can't absorb the friction noise that air-flow produces at the exhaust outlet of framework and wind inlet place.Moreover, because but the sound-absorbing scope of cellular structure is relevant with the size of frame inner wall face, and the area of frame inner wall face is relevant with the volume size that can hold blast fan, therefore still there is the too short problem of the exhaust outlet of flabellum and framework and the distance between wind inlet, and then cause the sound-absorbing scope of cellular structure to be restricted, and cause framework limited to the sound-absorbing effect of fan noise.
[summary of the invention]
In view of this, the invention provides a kind of blower module, thereby solve known blower module and easily produce in the running the problem of noise, cut such as reducing or eliminate wind that flabellum edge friction air produces the problems such as fan vibration noise that sound, air-flow cause on flabellum in the exhaust outlet of fan and wind inlet place and the fricative noise of framework and airflow strikes.
Blower module of the present invention, comprise a fan and a silencer, be formed with an air port on fan, silencer comprises one first noise reduction assembly, the first noise reduction assembly is attached at the side that fan is formed with the air port, and be formed with one first air-flow channel on the first noise reduction assembly, the first air-flow channel is corresponding to the air port of fan.
Blower module of the present invention, wherein the material of the first noise reduction assembly is porous material.
Blower module of the present invention, wherein silencer also comprises a shielding, and the material of shielding is porous material, and shielding is formed with one and is installed with the space, and shielding covers and is contacted with fan and the first noise reduction assembly, fan and the first noise reduction assembly is positioned at is installed with the space.
Blower module of the present invention, wherein the internal diameter of the first air-flow path of the first noise reduction assembly is matched with the internal diameter in the air port of fan.
Blower module of the present invention wherein is formed with a buffer space in the first noise reduction assembly, and buffer space is communicated in the first air-flow path.
Blower module of the present invention, wherein silencer also comprises one second noise reduction assembly, is attached at an inlet air side of fan, is formed with one second air-flow path on the second noise reduction assembly, and the second air-flow path is corresponding to a wind inlet of fan.
Blower module of the present invention, wherein silencer also comprises a shielding, and be formed with one in shielding and be installed with the space, shielding covers and contacts fan, the first noise reduction assembly and the second noise reduction assembly, fan, the first noise reduction assembly and rear the second noise reduction assembly is positioned at is installed with the space.
Blower module of the present invention, wherein the material of the first noise reduction assembly, the second noise reduction assembly and shielding is porous material.
Blower module of the present invention, wherein the internal diameter of the second air-flow path of the second noise reduction assembly is matched with the internal diameter of the wind inlet of fan.
Blower module of the present invention wherein is formed with a buffer space in the second noise reduction assembly, and buffer space is communicated in the second air-flow path.
Effect of the present invention is, be attached at the air side of fan by the first noise reduction assembly, when making fan running, come from wind that the blade rubbing air produces and cut the noise that sound and gas current friction fan outlet produce, can be passed to via the exhaust outlet of fan in the first air-flow channel of the first noise reduction assembly, and be absorbed elimination by the cellular structure in the first air-flow path.In addition, be attached at the set-up mode of fan by the first noise reduction assembly, allow the vibratory output that fan produces be absorbed by the first noise reduction assembly, the vibrating noise that produces in the time of can further eliminating the blower module running.
[description of drawings]
The present invention is further detailed explanation below in conjunction with drawings and embodiments.
Figure 1A is the decomposing schematic representation of first embodiment of the invention.
Figure 1B is the decomposing schematic representation at another visual angle of first embodiment of the invention.
Fig. 1 C is the combination schematic diagram of first embodiment of the invention.
Fig. 1 D is the use view of first embodiment of the invention.
Fig. 2 A is the decomposing schematic representation of second embodiment of the invention.
Fig. 2 B is the decomposing schematic representation at another visual angle of second embodiment of the invention.
Fig. 2 C is the use view of second embodiment of the invention.
Fig. 3 A is the decomposing schematic representation of third embodiment of the invention.
Fig. 3 B is the use view of third embodiment of the invention.
The primary clustering symbol description:
10 blower module 144 buffer spaces
100 silencer 160 shieldings
120 first noise reduction assembly 162 flat boards
122 first air-flow path 164 side plates
124 buffer spaces 166 are installed with the space
140 second noise reduction assembly 200 fans
142 second air-flow path 220 frameworks
222 exhaust outlets
224 wind inlets
240 impellers
242 flabellums
30 display cards
320 micro-chip processor groups
340 electronic components
360 radiating seats
[embodiment]
Please refer to Figure 1A to Fig. 1 C, the disclosed blower module 10 of first embodiment of the invention, comprise a silencer 100 and a fan 200, silencer 100 comprises one first noise reduction assembly 120, the first noise reduction assembly 120 can be by porous material, or other has the quieter material that absorbs audio function and forms, and makes the first noise reduction assembly 120 be formed with cellular structure.In the present embodiment, be as illustrating, but not as limit take the material of the first noise reduction assembly 120 as foam.Be formed with one first air-flow path 122 that runs through the first noise reduction assembly 120 in the first noise reduction assembly 120, and be positioned on the wall of the first air-flow path 122 at the first noise reduction assembly 120, be formed with a buffer space 124 that is depressed in wall and is communicated in the first air-flow path 122, be positioned at the surface area of the first air-flow path 122 in order to increase by the first noise reduction assembly 120.
In assembling, the first noise reduction assembly 120 can be but be not limited to adhesion medium (such as silica gel or two sided plaster etc.) and be attached on fan 200, makes the first noise reduction assembly 120 adhere well to fan 200 surfaces.Fan 200 has a framework 220 and is arranged at the interior impeller 240 of framework 220, and is equipped with a plurality of flabellums 242 on impeller 240.Framework 220 has a relative air side and an inlet air side, the air side of framework 220 is formed with an exhaust outlet 222 and is formed with a wind inlet 224 in the inlet air side, exhaust outlet 222 is communicated in wind inlet 224, and exhaust outlet 222 and wind inlet 224 run through respectively the relative two side faces of framework 220.The first noise reduction assembly 120 is attached at the surface, air side of framework 220, and with the exhaust outlet 222 of the first air-flow path 122 corresponding to framework 220, wherein the internal diameter of the first air-flow path 122 is matched with the internal diameter of the exhaust outlet 222 of framework 220, and namely the internal diameter of the first air-flow path 122 is slightly less than, equals or be slightly larger than the internal diameter of the exhaust outlet 222 of framework 220.
As shown in Figure 1A to Fig. 1 D, above-mentioned blower module 10 can be applicable on an electronic equipment, in order to provide thermolysis to electronic components set on electronic equipment, for example be applied on display card (graphics card) or host board, so that graphic process unit (graphic processing unit to be provided, GPU) or the micro-chip processor group such as central processing unit (CPU) (central processing unit, CPU) dispel the heat.In the present embodiment, be to be applied to display card 30 as illustrating with blower module 10, but not as limit.Be provided with at least one micro-chip processor group 320 and a plurality of electronic components 340 on display card 30, and be provided with a radiating seat 360 on micro-chip processor group 320, wherein radiating seat 360 is comprised of a base and a plurality of radiating fin.Blower module 10 is arranged on display card 30 side adjacent to radiating seat 360.
When fan 200 came into operation, the impeller 240 of fan 200 drove flabellum 242 and rotates and produce air draught, and this air-flow enters in framework 220 via wind inlet 224, and flows to the first noise reduction assembly 120 from exhaust outlet 222.Afterwards, air-flow blows to the radiating fin of radiating seat 360 via the first air-flow path 122 of the first noise reduction assembly 120 again, makes air-flow carry out heat exchange in the mode of thermoconvection on radiating seat 360 surfaces.In this process, the flabellum 242 of fan 200 is cut sound at the wind that the interior friction air of framework 220 produces, to drive and be passed in first air-flow path 122 and buffer space 124 of the first noise reduction assembly 120 with air-flow, and then absorbed by the cellular structure that the first noise reduction assembly 120 is positioned at the first air-flow path 122 and buffer space 124, make wind cut sound in the first interior elimination of noise reduction assembly 120 or be isolated from the first noise reduction assembly 120, therefore can reduce or eliminate the noise that fan 200 produces when running.Simultaneously, the surfaces, air side that are attached to framework 220 due to the first noise reduction assembly 120, therefore produce when rubbing at exhaust outlet 222 inner edges of framework 220 when air-flow, this grating will directly be absorbed by the first air-flow path 122 of the first noise reduction assembly 120, to reach the purpose of eliminating grating or reducing the grating volume.
In addition, because the first noise reduction assembly 120 is framework 220 surfaces that the mode that fits tightly is arranged at fan 200, therefore the vibration that produces in flabellum 242 in the interior rotation of framework 220 and part airflow strikes when the impeller 240 of fan 200, the cellular structure that is subject to the first noise reduction assembly 120 is absorbed and slows down or eliminate, except reducing or eliminate the noise that fan 200 produces via resonance effect, and the framework 220 that can prevent fan 200 knocks in display card 30, to avoid producing knocking noise between the two.
Please refer to Fig. 2 A and Fig. 2 B, in the disclosed blower module 10 of second embodiment of the invention, silencer 100 comprises a plurality of the first noise reduction assemblies 120 and one second noise reduction assembly 140.Be formed with one first air-flow path 122 and the buffer space 124 that are connected on the first noise reduction assembly 120, and the first air-flow path 122 runs through the first noise reduction assembly 120.Be formed with one second air-flow path 142 and a buffer space 144 on the second noise reduction assembly 140, and the second air-flow path 142 runs through the second noise reduction assembly 140.Wherein, the first noise reduction assembly 120 and the second noise reduction assembly 140 are comprised of porous material respectively, or formed by other quieter material with absorption audio function, make the first noise reduction assembly 120 and the second noise reduction assembly 140 be formed with respectively cellular structure.In the present embodiment, be as illustrating, but not as limit take the material of the first noise reduction assembly 120 and the second noise reduction assembly 140 as foam.
A plurality of the first noise reduction assemblies 120 and the second noise reduction assembly 140 be respectively with the adhesion medium, and such as silica gel or two sided plaster etc. is attached to fan 200 surfaces, and the first noise reduction assembly 120 and the second noise reduction assembly 140 are adhere well on fan 200.Fan 200 has a framework 220 and is arranged at the interior impeller 240 of framework 220, and is equipped with a plurality of flabellums 242 on impeller 240.Framework 220 has a relative air side and an inlet air side, and the air side of framework 220 is formed with an exhaust outlet 222 and is formed with a wind inlet 224 in the inlet air side, and exhaust outlet 222 and wind inlet 224 are connected, and run through respectively the relative two side faces of framework 220.
A plurality of the first noise reduction assemblies 120 be with the first air-flow path 122 mutually corresponding serial connection mode sequentially be attached at the air side of framework 220, and with the exhaust outlet 222 of the first air-flow path 122 alignment frame 220.The second 140 of noise reduction assemblies are attached at the inlet air side of framework 220, and with the wind inlet of the second air-flow path 142 alignment frame, fan 200 are fixed between the first noise reduction assembly 120 and the second noise reduction assembly 140 by clipping.Wherein, the internal diameter of the first air-flow path 122 is matched with the internal diameter of the exhaust outlet 222 of framework 220, and namely the internal diameter of the first air-flow path 122 is slightly less than, equals or be slightly larger than the internal diameter of the exhaust outlet 222 of framework 220.The internal diameter of the second air-flow path 142 is matched with the internal diameter of the wind inlet 224 of framework 220, and namely the internal diameter of the second air-flow path 142 is slightly less than, equals or be slightly larger than the internal diameter of the wind inlet 224 of framework 220.
As shown in Fig. 2 A to Fig. 2 C, the blower module 10 that is comprised of silencer 100 and fan 200 is to be applied on an electronic equipment, in order to provide thermolysis to electrical assembly set on electronic equipment, for example be applied on a display card 30, in order to the micro-chip processor group 320 on display card 30 is dispelled the heat.Be provided with a plurality of micro-chip processor groups 320 and a plurality of electronic components 340 on display card 30, a plurality of micro-chip processor groups 320 are arranged at intervals on display card 30, and be provided with a radiating seat 360 on each micro-chip processor group 320, radiating seat 360 is comprised of a base and a plurality of radiating fin.Blower module 10 is arranged on display card 30 side adjacent to radiating seat 360.
And, when configuring a plurality of blower modules 10 in display card 30, a plurality of blower modules 10 are to be arranged between two adjacent radiating seats 30 in mode side by side, and the framework 220 that makes fan 200 respectively with exhaust outlet 224 and wind inlet 222 corresponding to two adjacent radiating seats 30.Therefore, when fan 200 came into operation, the impeller of fan 200 240 drove flabellums 242 and rotates and produce air draughts, and the air on a radiating seat 360 is wherein driven by air-flow, and entered in the second air-flow path 142 of the second noise reduction part 140.Then, air-flow enters in framework 220 via wind inlet 224 again, and flows to the first noise reduction assembly 120 from exhaust outlet 222.Afterwards, air-flow sequentially blows to next radiating seat 360 via the first air-flow path 122 of each the first noise reduction assembly 120 again, make air draught on two adjacent radiating seats 360 and disturbance between two radiating seats 360, to carry out heat exchange by cross-ventilated mode on radiating seat 360 surfaces.
In this process, air-flow is at wind inlet 224 places of framework 220, and the grating because friction framework 220 edges produce will be positioned at by the second noise reduction assembly 140 the cellular structure absorption of the second air-flow path 142.Simultaneously, the flabellum 242 of fan 200 is cut sound at the wind that the interior friction air of framework 220 produces, and will drive and is passed in the first air-flow path 122 of each the first noise reduction assembly 120 with air-flow, and be absorbed by the cellular structure in the first air-flow path 122.Therefore, the wind that fan 200 produces when running is cut the grating that produces between sound and air-flow and framework 220, can be in the first noise reduction assembly 120 and the second interior elimination of noise reduction assembly 140, or be limited in the first noise reduction assembly 120 and the second noise reduction assembly 140, therefore can reduce or eliminate the noise that fan 200 produces when running.
Similarly, because the first noise reduction assembly 120 and the second noise reduction assembly 140 are air side and inlet air sides that the mode that fits tightly is arranged at framework 220, therefore the vibration that produces in flabellum 242 in the interior rotation of framework 220 and part airflow strikes when the impeller 240 of fan 200, the cellular structure that is subject to the first noise reduction assembly 120 and the second noise reduction assembly 140 is absorbed and slows down or eliminate, therefore reduced the noise that fan 200 produces because of resonance effect, or resonance noise is eliminated.And, by increasing the magnitude setting of the first noise reduction assembly 120 and the second noise reduction assembly 140, can further promote elimination or the isolated usefulness of 100 pairs of fan 200 noises of silencer.
Therefore, in the disclosed blower module of the present invention, the magnitude setting of the first noise reduction assembly and the second noise reduction assembly can be done according to real use state the adaptability conversion, but is not limited with the disclosed embodiment's of the present invention magnitude setting.
Please refer to Fig. 3 A and Fig. 3 B, disclosed the 3rd embodiment of the present invention and the second embodiment are structurally roughly the same, below only just between the two difference be illustrated.The disclosed blower module 10 of third embodiment of the invention, its silencer 100 also comprise a shielding 160 except comprising a plurality of the first noise reduction assemblies 120 and the second noise reduction assembly 140.Shielding 160 has dull and stereotyped 162 and two side plates 164, two side plates 164 are erected in respectively dull and stereotyped 162 relative dual side-edge, and and between dull and stereotyped 162, formation one is installed with space 166, wherein shielding 160 is comprised of porous material, for example by being formed by foam, shielding 160 is positioned on the wall that is installed with space 166 is formed with cellular structure.
On using, silencer 100 is to be attached at the surface, air side of fan 200 with the first noise reduction assembly 120, and be attached at the inlet air side surface of fan 200 with the second noise reduction assembly 140, make between the first noise reduction assembly 120, the second noise reduction assembly 140 and fan 200 threes and be combined in advance a stratiform structure.Then, one or more stratiform structures are installed in as on the electronic equipments such as display card 30 or host board, a plurality of stratiform structures are assembled between two adjacent radiating seats 360 in mode side by side.Then, to shield 160 covers on display card 30, and be contacted with on fan 200, the first noise reduction assembly 120 and the second noise reduction assembly 140, make fan 200, the first noise reduction assembly 120, the second noise reduction assembly 140 and radiating seat 360 be covered by being installed with in space 166 of shielding 160.
Therefore, when fan 200 running, the air-flow that fan 200 produces will be along the inlet air side of fan 200 direction towards the air side, be circulated to from the radiating seat 360 adjacent to the second noise reduction assembly 140 in the second air-flow path 142 of the second noise reduction assembly 140, then enter framework 220 via wind inlet 224, and flow to the first noise reduction assembly 120 from exhaust outlet 222.Then, air-flow is again via the first air-flow path 122 of the first noise reduction assembly 120 of mutual serial connection, blow to the radiating seat 360 adjacent to the first noise reduction assembly 120, make air draught disturbance between the radiating fin of radiating seat 360, to carry out heat exchange by cross-ventilated mode on radiating seat 360 surfaces.
Because shielding 160 covers the first noise reduction assembly 120, the second noise reduction assembly 140, fan 200 and radiating seat 360 simultaneously, the air-flow that fan 200 is produced be limited to shield 160 be installed with that space 166 is interior flows.and, because shielding 160 is to be contacted with fan 200, the first noise reduction assembly 120, on the second noise reduction assembly 140, therefore make shielding 160 can further come the flow direction of air-guiding as the runner of air-flow, and then make between the radiating fin that flows in radiating seat 360 in air flow collection, and air-guiding is expelled to outside shielding 160, except increasing air-flow in the heat exchange efficiency on radiating seat 360 surfaces, also can absorb by shielding 160, the wind that produces when eliminating fan 200 running is cut sound and grating, and can slow down or prevent that fan 200 from producing vibration when running.In addition, shielding 160 can also intercept heat energy in being installed with space 166, conducts on the shell of installing electronic equipment by shielding 160 to avoid heat energy.
The blower module of the invention described above, be attached to the surface, air side of fan by the first noise reduction assembly, or the while is attached to the inlet air side surface of fan with the second noise reduction assembly, make the flabellum of fan and the wind of air friction generation cut the framework of sound and fan and the grating between air-flow, must first outwards transmit by the air-flow channel ability of the first noise reduction assembly and the second noise reduction assembly.Therefore, the wind that produces during the fan running is cut sound and grating, can be absorbed by the cellular structure of the first noise reduction assembly and the second noise reduction assembly, and then reduce the noise content that outwards transmits, or be eliminated completely.In addition, be attached to the set-up mode on fan surface by silencer, make silencer and fan close contact, more can absorb, suppress the vibration that fan when running produces, thereby further slow down or eliminate the vibrating noise of fan.
Although embodiments of the invention disclose as mentioned above; be not so to limit the present invention; anyly have the knack of related art techniques person; without departing from the spirit and scope of the present invention; such as according to the described shape of the present patent application scope, structure, feature and quantity when can do a little change, therefore scope of patent protection of the present invention must be looked the appended claim person of defining of this specification and is as the criterion.
Claims (10)
1. a blower module, is characterized in that, described blower module includes:
One fan is formed with an air port on described fan; And
One silencer comprises one first noise reduction assembly, and it is attached at described fan formation and states to some extent a side in air port, and is formed with one first air-flow path on described the first noise reduction assembly, and described the first air-flow path is corresponding to the described air port of described fan.
2. blower module according to claim 1, is characterized in that, the material of described the first noise reduction assembly is porous material.
3. blower module according to claim 1, it is characterized in that, described silencer also comprises a shielding, the material of described shielding is porous material, and described shielding is formed with one and is installed with the space, described shielding covers and is contacted with described fan and described the first noise reduction assembly, makes described fan and described the first noise reduction assembly be positioned at the described space that is installed with.
4. blower module according to claim 1, is characterized in that, the internal diameter of described first air-flow path of described the first noise reduction assembly is matched with the internal diameter in the described air port of described fan.
5. blower module according to claim 1, is characterized in that, is formed with a buffer space in described the first noise reduction assembly, and described buffer space is communicated in described the first air-flow path.
6. blower module according to claim 1, it is characterized in that, described silencer also comprises one second noise reduction assembly, be attached at an inlet air side of described fan, be formed with one second air-flow path on described the second noise reduction assembly, described the second air-flow path is corresponding to a wind inlet of described fan.
7. blower module according to claim 6, it is characterized in that, described silencer also comprises a shielding, and be formed with one in described shielding and be installed with the space, described shielding covers and contacts described fan, described the first noise reduction assembly and described the second noise reduction assembly, makes described fan, described the first noise reduction assembly and rear the second noise reduction assembly be positioned at the described space that is installed with.
8. blower module according to claim 7, is characterized in that, the material of described the first noise reduction assembly, described the second noise reduction assembly and described shielding is porous material.
9. blower module according to claim 6, is characterized in that, the internal diameter of described second air-flow path of described the second noise reduction assembly is matched with the internal diameter of the described wind inlet of described fan.
10. blower module according to claim 6, is characterized in that, is formed with a buffer space in described the second noise reduction assembly, and described buffer space is communicated in described the second air-flow path.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110437712.6A CN103174682B (en) | 2011-12-23 | Blower module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110437712.6A CN103174682B (en) | 2011-12-23 | Blower module |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103174682A true CN103174682A (en) | 2013-06-26 |
| CN103174682B CN103174682B (en) | 2016-12-14 |
Family
ID=
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106837836A (en) * | 2016-11-22 | 2017-06-13 | 奇鋐科技股份有限公司 | Tandem fan structure |
| CN110630567A (en) * | 2019-11-04 | 2019-12-31 | 徐州雅居乐环保科技有限公司 | Vibration/noise reduction device of axial flow fan |
| WO2022171206A3 (en) * | 2022-05-12 | 2023-02-23 | 苏州瑞领克信息科技有限公司 | Electronic product heat dissipation structure |
| CN116398462A (en) * | 2023-05-23 | 2023-07-07 | 肇庆晟辉电子科技有限公司 | Operation control system and method for low-noise heat dissipation fan |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3612213A (en) * | 1969-05-12 | 1971-10-12 | Medicor Muevek | Silent housing for air pumps and compressors |
| WO2003014631A1 (en) * | 2001-08-07 | 2003-02-20 | Keyvent, Ab. | Sound damper for exhaust air from a fan device |
| CN201292994Y (en) * | 2008-11-12 | 2009-08-19 | 元山科技工业股份有限公司 | Low noise radiator fan |
| CN201318340Y (en) * | 2008-12-18 | 2009-09-30 | 长沙贝尔环保节能设备有限公司 | Low noise axial-flow fan |
| CN102102678A (en) * | 2009-12-21 | 2011-06-22 | 北京市九州风神科贸有限责任公司 | Radiating fan |
| CN202082156U (en) * | 2011-05-27 | 2011-12-21 | 巴克约根森风机（宁波）有限公司 | Blower |
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3612213A (en) * | 1969-05-12 | 1971-10-12 | Medicor Muevek | Silent housing for air pumps and compressors |
| WO2003014631A1 (en) * | 2001-08-07 | 2003-02-20 | Keyvent, Ab. | Sound damper for exhaust air from a fan device |
| CN201292994Y (en) * | 2008-11-12 | 2009-08-19 | 元山科技工业股份有限公司 | Low noise radiator fan |
| CN201318340Y (en) * | 2008-12-18 | 2009-09-30 | 长沙贝尔环保节能设备有限公司 | Low noise axial-flow fan |
| CN102102678A (en) * | 2009-12-21 | 2011-06-22 | 北京市九州风神科贸有限责任公司 | Radiating fan |
| CN202082156U (en) * | 2011-05-27 | 2011-12-21 | 巴克约根森风机（宁波）有限公司 | Blower |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106837836A (en) * | 2016-11-22 | 2017-06-13 | 奇鋐科技股份有限公司 | Tandem fan structure |
| CN106837836B (en) * | 2016-11-22 | 2019-08-06 | 奇鋐科技股份有限公司 | Tandem fan structure |
| CN110630567A (en) * | 2019-11-04 | 2019-12-31 | 徐州雅居乐环保科技有限公司 | Vibration/noise reduction device of axial flow fan |
| WO2022171206A3 (en) * | 2022-05-12 | 2023-02-23 | 苏州瑞领克信息科技有限公司 | Electronic product heat dissipation structure |
| CN116398462A (en) * | 2023-05-23 | 2023-07-07 | 肇庆晟辉电子科技有限公司 | Operation control system and method for low-noise heat dissipation fan |
| CN116398462B (en) * | 2023-05-23 | 2023-10-27 | 肇庆晟辉电子科技有限公司 | Operation control system and method for low-noise heat dissipation fan |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5467747A (en) | Noise suppression enclosure for an engine | |
| JP5398031B2 (en) | Fan module | |
| CN205160270U (en) | Motor amortization wind channel | |
| EP3020976B1 (en) | Computer fan with noise reducing structured casing wall opposite to the blade tips | |
| CN112306204B (en) | Heat dissipation module and electronic equipment | |
| JP4757656B2 (en) | Fan motor and electric device | |
| CN112448541A (en) | Motor structure capable of efficiently dissipating heat and reducing noise | |
| CN103174682A (en) | Fan module | |
| WO1993004272A1 (en) | Noise suppression enclosure for an engine | |
| US11874002B2 (en) | Integral air conditioner | |
| CN103174682B (en) | Blower module | |
| CN212508886U (en) | Low-noise rectangular centrifugal fan | |
| JPH07318102A (en) | Duct air conditioner | |
| CN209846987U (en) | Food processor and heat dissipation assembly thereof | |
| CN210769413U (en) | Low-noise centrifugal ventilator | |
| CN203851408U (en) | Heat dissipating module with turbo fan | |
| JP2006275311A (en) | Fan filter unit | |
| CN111379724B (en) | Fan assembly and communication equipment | |
| TWI458891B (en) | Fan module | |
| US20080073067A1 (en) | Noise elimination apparatus for radiator | |
| CN220141494U (en) | Food processor capable of reducing exhaust noise of main machine | |
| CN220036874U (en) | Sound and heat insulation device | |
| JP2007138824A (en) | Blade unit for centrifugal fan | |
| CN212563698U (en) | Low-noise centrifugal fan structure | |
| CN213850282U (en) | Food processor with stable main machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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 |