CN206771664U - A kind of new blower fan of low noise - Google Patents
A kind of new blower fan of low noise Download PDFInfo
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- CN206771664U CN206771664U CN201720609584.1U CN201720609584U CN206771664U CN 206771664 U CN206771664 U CN 206771664U CN 201720609584 U CN201720609584 U CN 201720609584U CN 206771664 U CN206771664 U CN 206771664U
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- air
- fresh air
- blower fan
- noise reduction
- noise
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Abstract
A kind of new blower fan of low noise, including casing, old wind exhaust system and VMC in casing and the heat exchanger between old wind exhaust system and VMC；Old wind exhaust system includes the old wind suction area being independently arranged and old wind discharge area；VMC includes fresh air suction area, fresh air discharge area and the air filtration mechanism between fresh air suction area and fresh air discharge area being independently arranged；Heat exchanger is provided with corresponding fresh air heat exchange outlet and fresh air heat exchange entrance, forms fresh air channel；Corresponding air exhaust heat switching access is additionally provided with heat exchanger and air exhaust heat exchanges outlet, forms air exhaust passage, wind pushing mechanism is fixed with fresh air discharge area, the casing internal of wind pushing mechanism position is provided with noise reducing mechanism, and noise reducing mechanism exports provided with fresh air.The utility model can not only ensure that the air output of fresh air is larger, beneficial to raising air purification efficiency, moreover it is possible to ensure that the noise of new fan outlet is relatively low, more conducively improve the comfortableness using new blower fan.
Description
Technical field
Technical field of air purification is the utility model is related to, particularly a kind of new blower fan of low noise.
Background technology
In new building or existing building occasion（Such as house, hotel, office building, market, school, toilet）, all can
Dust, the gas etc. of dirt be present, mainly endangered including physical hazard, chemical hazard, biohazard and anoxic.Wherein, physics is endangered
Evil mainly from power station, factory, automobile waste gas, contain substantial amounts of heavy metal.Chemical hazard is primarily referred to as the first in air
Aldehyde, benzene, toluene（Essentially from finishing, the paint of furniture and adhesive etc.）.Biohazard is primarily referred to as bacterium in air, disease
Poison, it is flu, influenza and pneumonia, tracheitis, especially dermopathic main source, haze weather, bacteria adherence is in dust
On, it can survive more long, fly away farther.Anoxic harm is primarily referred to as living in anaerobic environment for a long time, can increase heart burden, and
Blood circulation is reduced, damages each organ health, it is especially big to children and old man's harm.If in above-mentioned environment for a long time
Life, the health of people is by by serious threat.Therefore, indoor air quality significantly affects healthy, the comfortable and work of people
Make efficiency, have been to be concerned by more and more people.
Existing interior is general all can be by outdoor when working come the air in clean room, fresh-air fan by installing fresh-air fan
Fresh air suction it is indoor, and the old wind of interior is discharged to outdoor.The fresh air air output of existing fresh-air fan is typically small, only
Change it is less efficient, in order to increase air output, the fresh air of CN205897345U, CN205332399U and CN205351634U bulletin
Machine, they are provided with fresh-air fan in the air outlet of fresh air, can be quick by filtered fresh air in new blower fan although so doing
Pull out, increase the air output of fresh air, but set up blower fan in fresh air air outlet and also bring along noise nuisance, be unfavorable for
The noise control of whole device.CN204301223U discloses a kind of new blower fan of low-noise static electric-type with total-heat exchanger, its
Two-way centrifugal blower is employed, and correspondingly sets 2 in two-way centrifugal blower sidepiece and is connected to 2, cabinet top fresh air air outlet
Air-out passage, the patent is to eject reduction noise by the shunting of fresh air, but can not solve the noise that blower fan is brought in itself
Problem.CN205641230U discloses a kind of new fan cabinet of low noise, and it in the top of blower fan by setting acoustical panel, and in wind
Be provided with noise reduction layer in air compartment where machine, noise reduction layer is for eliminating noise caused by blower fan, but the acoustical panel of the patent
The serious discharge for blocking fresh air, it is unfavorable for increasing the air output of fresh air.
Utility model content
The purpose of this utility model is to overcome the above-mentioned deficiency of prior art and provide a kind of low noise new blower fan, and it is not only
It can ensure that the air output of fresh air is larger, beneficial to raising air purification efficiency, moreover it is possible to ensure that the noise of new fan outlet is relatively low, more
Beneficial to the comfortableness improved using new blower fan.
The technical solution of the utility model is：The new blower fan of low noise, including casing, the old wind exhaust system in casing
And VMC, and the heat exchanger between old wind exhaust system and VMC；Old wind exhaust system includes independent
The old wind suction area and old wind discharge area set；VMC includes fresh air suction area, fresh air discharge area and the position being independently arranged
Air filtration mechanism between fresh air suction area and fresh air discharge area；Heat exchanger goes out provided with corresponding fresh air heat exchange
Mouth and fresh air heat exchange entrance, form fresh air channel；Corresponding air exhaust heat switching access and air draft are additionally provided with heat exchanger
Heat exchange exports, and forms air exhaust passage, wind pushing mechanism, the casing internal of wind pushing mechanism position are fixed with fresh air discharge area
Provided with noise reducing mechanism, noise reducing mechanism exports provided with fresh air.
Further, wind pushing mechanism includes fresh-air fan and drives the motor of fresh-air fan, and noise reducing mechanism includes being located at fresh air
The first noise reduction box at fan outlet and the second noise reduction box connected with motor.
Further, it is attached between the second noise reduction box and motor by vibration damper plate, vibration damper plate is set in parallel in motor one
The both sides at end.
Further, the first noise reduction box includes casing, and casing is hexahedron structure, and hexahedral upper and lower bottom surface is tied to be open
Structure, hexahedral upper and lower bottom surface face the air outlet of fresh-air fan, and interior muffling hole plate, the outer of L-shaped that casing includes L-shaped disappear
Grill and fixed silencing cotton therebetween.
Further, silencing cotton is wavy shaped configuration, and the density of silencing cotton is 20-30kg/m3, thickness 30-40mm.
Further, fixed mount is provided between interior muffling hole plate and outer muffling hole plate, fixed mount is in "Ji" type structure.
Further, the second noise reduction box is identical with the structure of the first noise reduction box.
Further, the first noise reduction box and the second noise reduction box are fixed in same fixed plate with fresh-air fan, the first drop
Case of making an uproar does not contact with the second noise reduction box.
Further, the quantity of wind pushing mechanism be one, two or more.
Further, have overlapping between noise reducing mechanism and wind pushing mechanism, beam, or noise reducing mechanism are provided between lap
It is not overlapping between wind pushing mechanism.
Further, the structure of the second noise reduction box and the first noise reduction box differs, and the second noise reduction box is U-shape structure, and second drops
The make an uproar bottom of case is provided with puigging, the side of the second noise reduction box include interior muffling hole plate, outer muffling hole plate and be filled in both it
Between silencing cotton, be provided with beam at the port of the second noise reduction box.
Further, the size of noise reducing mechanism is not less than the size at wind pushing mechanism air outlet.
Further, the joint face of noise reducing mechanism is provided with sealing joint strip.
The utility model has following features compared with prior art：
（1）The utility model can both be beneficial to the suction of fresh air and new by being fixed with wind pushing mechanism in fresh air discharge area
The filter process of wind, and can quickly discharge the fresh air in fresh air discharge area, have larger air output, beneficial to raising comfortableness
And air purification efficiency, and noise reducing mechanism is provided with by the casing internal in wind pushing mechanism position, it can effectively weaken and send
Operating noise caused by wind mechanism itself, and can further absorb what is come out from fresh air heat exchange outlet and air filtration mechanism
The noise carried in fresh air, ensure that level of noise is relatively low in the fresh air discharged from fresh air discharge area, level of noise is maintained at 60 decibels
Hereinafter, the physical and mental health of user is not interfered with；
（2）The noise reducing mechanism that the utility model uses employs the open box-type knot in upper and lower bottom surface in fresh air exit
Structure, both with preferable noise reduction, and can ensures the smooth discharge of fresh air, the discharge rate and rate of discharge on fresh air influence compared with
It is small；Meanwhile be arranged on noise reducing mechanism in the fixed plate of wind pushing mechanism, the presence of noise reducing mechanism is not also interfered with wind pushing mechanism
Air intake and air-out, and then do not interfere with the discharge rate of fresh air；
（3）The noise reducing mechanism of use of the present utility model is simple in construction, can realize the effect of fast noise reduction, again will not mistake
Increase the external dimensions of whole new blower fan more, beneficial to the miniaturization of new blower fan, light-weighted developing direction；
（4）The utility model use noise reducing mechanism is simple in construction, cost is relatively low, prepare, installation it is simple, both facilitated and carried out
Industrial production, it is beneficial to save production cost again, increases economic efficiency.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model embodiment；
Fig. 2 is the structural representation of the first noise reduction box in the utility model specific embodiment 1；
Fig. 3 is the structural representation of the utility model specific embodiment 2；
Fig. 4 is the structural representation of the second noise reduction box in the utility model specific embodiment 2.
Embodiment
The utility model is described in further details below with reference to Figure of description and specific embodiment.
Embodiment 1：
As shown in Figures 1 and 2, the new blower fan of a kind of low noise, including casing 1, the old wind air draft system in casing 1
System and VMC, and the heat exchanger 14 between old wind exhaust system and VMC；Old wind exhaust system includes
The old wind suction area 4 and old wind discharge area 15 being independently arranged；VMC includes fresh air suction area 2, the fresh air row being independently arranged
Go out area 5 and the air filtration mechanism 3 between fresh air suction area 2 and fresh air discharge area 5；Heat exchanger 14 is provided with corresponding
Fresh air heat exchange outlet and fresh air heat exchange entrance, formed fresh air channel；Corresponding air draft is additionally provided with heat exchanger 14
Heat exchange entrance and air exhaust heat exchange outlet, form air exhaust passage.
Wind pushing mechanism 8 is fixed with fresh air discharge area 5, wind pushing mechanism 8 can quickly discharge the fresh air in fresh air discharge area 5
It fresh air area 5, can both increase the resh air requirement of fresh air outlet, and be beneficial to improve air purification efficiency again, beneficial to the comfortable of raising user
Property, the inside of casing 1 of the position of wind pushing mechanism 8 is provided with noise reducing mechanism 6, because wind pushing mechanism 8 is nearer apart from fresh air outlet, send
Noise caused by wind mechanism 8 itself is also easily discharged to interior with fresh air, improves the level of noise of interior, therefore the noise reduction machine
Structure 6 is exactly to reduce level of noise caused by wind pushing mechanism 8 itself, moreover it is possible to will be from heat exchanger 14 and air filtration mechanism along band
The level of noise that fresh air in 3 out is carried reduces in the lump, so as to ensure the operating noise of new blower fan of the present utility model
Less than the standard value for not influenceing people's normal life and work, noise reducing mechanism 6 is provided with fresh air outlet 6-1, is easy to after noise reduction
The discharge of fresh air, influence of the noise reducing mechanism 6 to fresh air discharge rate, speed etc. is reduced to greatest extent.
Wind pushing mechanism 8 includes fresh-air fan 13 and drives the motor 12 of fresh-air fan, in the presence of motor 12, fresh air wind
The rotary work of machine 13, realizes air draught and exhaust effect, and fresh-air fan 13 can be the centrifugal blower of multi-way air-inlet, using from
Heart blower fan work efficiency high, the characteristics of noise is relatively low, the quantity of fresh-air fan 13 and motor 12 is respectively one, fresh-air fan
13 are arranged on the middle part of fresh air discharge area 5, the motor 12 in the right side or left side of fresh-air fan 13, the present embodiment of motor 12
Installed in the right side of fresh-air fan 13, under such fresh-air fan 13, left and right three directions can air intake, and due to improve
Fresh air of the wind positional distance from air filtration mechanism 3 out is nearer, beneficial to quick air intake, the air intake time is saved, beneficial to raising
Air-supply efficiency.
Noise reducing mechanism 6 includes the first noise reduction box 9 at the air outlet of fresh-air fan 13 and connected with motor 12 second
Noise reduction box 10；It is attached between second noise reduction box 10 and motor 12 by vibration damper plate 11, vibration damper plate 11 is set in parallel in motor
The both sides of 12 one end, vibration damper plate 11 can be used for first carrying out damping to motor 12, first reduce the vibrating noise of motor 12；First noise reduction
The noise reduction box 10 of case 9 and second is fixed in same fixed plate 7 with fresh-air fan 13, is both beneficial to installation, saves material, and can
Make not produce angle between the first noise reduction box 9 and the second noise reduction box 10, the first noise reduction box 9 and the second drop can be reduced to a certain extent
Make an uproar influence of the case 10 to the air intake of fresh-air fan 13, the first noise reduction box 9 does not contact with the second noise reduction box 10, can prevent the first noise reduction box
9 and second produce covibration between noise reduction box 10 and produce secondary noise, because main into the air in the first noise reduction box 9
It is fresh air from fresh-air fan 13 out, and the air entered in the second noise reduction box 10 is mainly to vibrate to make an uproar caused by motor 12
Sound and operating noise and carry out the fresh air come out since air filter machine structure 3, due to the factors such as the medium species of entrance, wind speed not phase
Together, working condition, frequency of the first noise reduction box 9 and the second noise reduction box 10 etc. can be caused also to differ, if both are connected into one
Rise, be not only easily caused noise reduction efficacy reduction, be also also easy to produce covibration.
First noise reduction box 9 includes casing, and casing is hexahedron structure, and hexahedral upper and lower bottom surface is uncovered structure, six faces
The upper and lower bottom surface of body faces the air outlet of fresh-air fan 13, and casing includes interior muffling hole plate 17, the outer bloop of L-shaped of L-shaped
Plate 16 and fixed silencing cotton 18 therebetween；Interior muffling hole plate 17 and outer muffling hole plate 16 are the table made of quieter material
Face is densely covered with the platy structure of through hole, can ventilative and can play certain noise reduction, noise reduction, both of which uses L-shaped structure,
Both it is easy to make, installs, tie point can be reduced again, avoid some fresh airs from filtering and be just discharged fresh air discharge area 5, from send
Fresh air in wind mechanism 8 out is once filtered out certain noise by interior muffling hole plate 17, then through silencing cotton 18 2 times
A certain amount of noise is filtered out, then a part of fresh air passes from interior muffling hole plate 17 again, another from fresh air outlet 6-1 discharges
Part fresh air passes through outer muffling hole plate 16, exports and discharges from fresh air again after being filtered three times.Silencing cotton 18 is wavy shaped configuration, is disappeared
The density of sound cotton 18 is 20-30kg/m3, thickness 30-40mm, there is preferable gas permeability and noise reduction, noise reduction；Interior noise reduction
Fixed mount 19 is provided between orifice plate 17 and outer muffling hole plate 16, fixed mount 19 is in "Ji" type structure, and fixed mount 19 can ensure to disappear
Structure, the positional stability of sound cotton 18 are higher, make it malformation is not likely to produce in the presence of fresh air and is moved phenomena such as.
Second noise reduction box 10 is identical with the structure of the first noise reduction box 9, by 10 fixed positions of the second noise reduction box do not have
Face fresh air export, therefore from the second noise reduction box 10 out fresh air can be filtered again by the first noise reduction box 9 after through fresh air
6-1 discharges are exported, this design is also beneficial to carry out noise reduction to noise more caused by motor 12, ensures the work of whole new blower fan
It is relatively low to make level of noise.
Have overlapping between noise reducing mechanism 6 and wind pushing mechanism 8, but do not contact, drop between noise reducing mechanism 6 and wind pushing mechanism 8
A part for wind pushing mechanism 8 is included by the mechanism that makes an uproar 6, and beam is provided between lap（Not shown in figure）, make from
Fresh air in wind pushing mechanism 8 out first carries out damping to wind pushing mechanism 8 before filtration, so can both mitigate noise reducing mechanism 6
Burden, it is beneficial to improve noise reduction again.The joint face of noise reducing mechanism 6 is provided with sealing joint strip（Not shown in figure）, ensure all
Fresh air discharge area 5 in fresh air have to pass through noise reducing mechanism 6 carry out noise reduction filtering after could from fresh air export 6-1 place discharge,
The phenomenon that fresh air is expelled directly out fresh air discharge area 5 without noise reduction filtering is not had.
Embodiment 2：
As shown in accompanying drawing 2, accompanying drawing 3 and accompanying drawing 4, the difference of the present embodiment and embodiment is：The quantity of wind pushing mechanism 8
For two, i.e., including the supporting motor 12 of two fresh-air fans 13 and two, two wind pushing mechanisms 8 are symmetricly set on fresh air discharge
In area 5, two fresh-air fans, 13 two pairs of settings, corresponding noise reducing mechanism 6 also has two, and this kind design is directed to fresh air air-out
Amount has the new blower fan of bigger requirement, because the parameter such as the model of simple increase fresh-air fan 13, power improves air output meeting
Cause the increase of noise content at double, and by setting up the way of wind pushing mechanism 8 while fresh air air output is increased, the increasing of noise
Amount is relatively fewer.The structure of second noise reduction box 10 and the first noise reduction box 9 differs, and the second noise reduction box 9 is U-shape structure, and second
The bottom of noise reduction box 9 is provided with puigging 20, i.e., puigging 20 is provided between the second noise reduction box 9 and fixed plate 7, from above-described embodiment
Understand in 1, can be passed again from the first noise reduction box 9 into the fresh air in the second noise reduction box 10, then arranged at fresh air outlet 6-1
Go out, puigging 20 is set, a small amount of noise that can separate from the fresh air outflow in the second noise reduction box 10 is discharged through fixed plate 7, enters one
Step is beneficial to reduce the fresh air level of noise discharged from new blower fan, and the side of the second noise reduction box 10 includes interior muffling hole plate 17, disappeared outside
Grill 16 and filling silencing cotton 18 therebetween, be provided with beam 21 at the port of the second noise reduction box 10, can exist
Junction between second noise reduction box 10 and vibration damper plate 11 sets beam 21 again, can also be simultaneously in the second noise reduction box 9 with consolidating
Beam 21 is also provided between fixed board 7, the vibrating noise caused by motor 12 works accounts for the major part of its operating noise, reduces
The vibrations received of second noise reduction box 10 and fixed plate, it can largely be beneficial to improve noise reduction.
The size of noise reducing mechanism 6 ensures that noise reducing mechanism 6 has enough skies not less than the size at the air outlet of wind pushing mechanism 8
Between the noise from wind pushing mechanism 8 out is filtered, reduced, ensure that fresh air level of noise caused by whole new blower fan meets
It is required that.
Claims (13)
1. a kind of new blower fan of low noise, including casing, old wind exhaust system and VMC in casing, and located at old
Heat exchanger between wind exhaust system and VMC；Old wind exhaust system includes the old wind suction area being independently arranged and old wind
Discharge area；VMC include be independently arranged fresh air suction area, fresh air discharge area and positioned at fresh air suction area and fresh air discharge
Air filtration mechanism between area；Heat exchanger is provided with corresponding fresh air heat exchange outlet and fresh air heat exchange entrance, shape
Into fresh air channel；Corresponding air exhaust heat switching access is additionally provided with heat exchanger and air exhaust heat exchanges outlet, air draft is formed and leads to
Road, it is characterised in that：Wind pushing mechanism is fixed with fresh air discharge area, the casing internal of wind pushing mechanism position is provided with noise reduction machine
Structure, noise reducing mechanism export provided with fresh air.
2. the new blower fan of low noise according to claim 1, it is characterised in that：Wind pushing mechanism includes fresh-air fan and driving is new
The motor of wind blower fan, the second drop that noise reducing mechanism includes the first noise reduction box at fresh-air fan air outlet and connected with motor
Make an uproar case.
3. the new blower fan of low noise according to claim 2, it is characterised in that：Pass through damping between second noise reduction box and motor
Plate is attached, and vibration damper plate is set in parallel in the both sides of motor one end.
4. the new blower fan of low noise according to claim 2, it is characterised in that：First noise reduction box includes casing, casing six
Face body structure, hexahedral upper and lower bottom surface are uncovered structure, and hexahedral upper and lower bottom surface faces the air outlet of fresh-air fan,
Casing includes the interior muffling hole plate of L-shaped, the outer muffling hole plate of L-shaped and fixed silencing cotton therebetween.
5. the new blower fan of low noise according to claim 4, it is characterised in that：Silencing cotton is wavy shaped configuration, silencing cotton
Density is 20-30kg/m3, thickness 30-40mm.
6. the new blower fan of low noise according to claim 4, it is characterised in that：Set between interior muffling hole plate and outer muffling hole plate
There is fixed mount, fixed mount is in "Ji" type structure.
7. the new blower fan of low noise according to claim 4 or 5 or 6, it is characterised in that：Second noise reduction box and the first noise reduction box
Structure it is identical.
8. the new blower fan of low noise according to claim 7, it is characterised in that：First noise reduction box and the second noise reduction box with newly
Wind blower fan is fixed in same fixed plate, and the first noise reduction box does not contact with the second noise reduction box.
9. the new blower fan of low noise according to any one of claim 1-6, it is characterised in that：The quantity of wind pushing mechanism is one
It is individual, two or more.
10. the new blower fan of low noise according to any one of claim 1-6, it is characterised in that：Noise reducing mechanism and pressure fan
Have between structure it is overlapping, between lap be provided with it is not overlapping between beam, or noise reducing mechanism and wind pushing mechanism.
11. the new blower fan of low noise according to claim 4 or 5 or 6, it is characterised in that：Second noise reduction box and the first noise reduction
The side structure of case is identical, and upper and lower bottom surface structure differs, and the upper bottom surface of the second noise reduction box is provided with puigging, the second noise reduction box
Bottom surface be uncovered structure, be provided with beam at the port of bottom surface.
12. the new blower fan of low noise according to claim 11, it is characterised in that：The size of noise reducing mechanism is not less than pressure fan
Size at structure air outlet.
13. the new blower fan of low noise according to claim 1, it is characterised in that：The joint face of noise reducing mechanism is provided with sealing
Adhesive tape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720609584.1U CN206771664U (en) | 2017-05-27 | 2017-05-27 | A kind of new blower fan of low noise |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720609584.1U CN206771664U (en) | 2017-05-27 | 2017-05-27 | A kind of new blower fan of low noise |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206771664U true CN206771664U (en) | 2017-12-19 |
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ID=60639524
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720609584.1U Active CN206771664U (en) | 2017-05-27 | 2017-05-27 | A kind of new blower fan of low noise |
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| Country | Link |
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| CN (1) | CN206771664U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107101353A (en) * | 2017-05-27 | 2017-08-29 | 远大洁净空气科技有限公司 | A kind of new blower fan of low noise |
-
2017
- 2017-05-27 CN CN201720609584.1U patent/CN206771664U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107101353A (en) * | 2017-05-27 | 2017-08-29 | 远大洁净空气科技有限公司 | A kind of new blower fan of low noise |
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