CN107101353A - 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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- CN107101353A CN107101353A CN201710391016.3A CN201710391016A CN107101353A CN 107101353 A CN107101353 A CN 107101353A CN 201710391016 A CN201710391016 A CN 201710391016A CN 107101353 A CN107101353 A CN 107101353A
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- air
- fresh air
- noise
- blower fan
- noise reduction
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- 230000007246 mechanism Effects 0.000 claims abstract description 78
- 238000001914 filtration Methods 0.000 claims abstract description 10
- 230000009467 reduction Effects 0.000 claims description 84
- 229920000742 Cotton Polymers 0.000 claims description 13
- 230000030279 gene silencing Effects 0.000 claims description 11
- 238000013016 damping Methods 0.000 claims description 3
- 239000012945 sealing adhesive Substances 0.000 claims 1
- 230000009286 beneficial effect Effects 0.000 abstract description 15
- 238000004887 air purification Methods 0.000 abstract description 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 241000894006 Bacteria Species 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 230000036541 health Effects 0.000 description 2
- 206010022000 influenza Diseases 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 206010035664 Pneumonia Diseases 0.000 description 1
- 206010044302 Tracheitis Diseases 0.000 description 1
- 241000276425 Xiphophorus maculatus Species 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000017531 blood circulation Effects 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 125000002485 formyl group Chemical class [H]C(*)=O 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000036244 malformation Effects 0.000 description 1
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- 239000002574 poison Substances 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F12/00—Use of energy recovery systems in air conditioning, ventilation or screening
- F24F12/001—Use of energy recovery systems in air conditioning, ventilation or screening with heat-exchange between supplied and exhausted air
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/24—Means for preventing or suppressing noise
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/28—Arrangement or mounting of filters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/30—Arrangement or mounting of heat-exchangers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/24—Means for preventing or suppressing noise
- F24F2013/242—Sound-absorbing material
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
A kind of 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 the old wind suction area and old wind discharge area being independently arranged；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, is formed and wind pushing mechanism is fixed with air exhaust passage, fresh air discharge area, the casing internal of wind pushing mechanism position is provided with noise reducing mechanism, and noise reducing mechanism is provided with fresh air outlet.The present invention 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
The present invention relates to technical field of air purification, 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
There is dust, gas of dirt etc., 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, 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, each organ health is damaged, 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, increasingly paid close attention to by people.
Existing indoor general all by installing fresh-air fan come the air in clean room, fresh-air fan can be by outdoor when working
Fresh air suction chamber in, and indoor old wind is discharged to outdoor.The fresh air air output of existing fresh-air fan is typically small, only
Change 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 2 are set in two-way centrifugal blower sidepiece correspondence 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
It is provided with noise reduction layer in air compartment where machine, noise reduction layer is used to eliminating the noise produced by blower fan, but the acoustical panel of the patent
The serious discharge for blocking fresh air, is unfavorable for increasing the air output of fresh air.
The content of the invention
The purpose of the present invention is to overcome the above-mentioned not enough of prior art and provide a kind of low noise new blower fan, and it can not only be protected
The air output for demonstrate,proving 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, is more conducive to
Improve the comfortableness using new blower fan.
The technical scheme is that：The new blower fan of low noise, including casing, the old wind exhaust system in casing and new
Wind system, and the heat exchanger between old wind exhaust system and VMC；Old wind exhaust system includes being independently arranged
Old wind suction area and old wind discharge area；VMC is including the fresh air suction area being independently arranged, fresh air discharge area and positioned at new
Air filtration mechanism between wind suction area and fresh air discharge area；Heat exchanger 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 is handed over
Swap out mouth, is formed in air exhaust passage, fresh air discharge area and is fixed with wind pushing mechanism, the casing internal of wind pushing mechanism position is provided with
Noise reducing mechanism, noise reducing mechanism is exported provided with fresh air.
Further, wind pushing mechanism includes the motor of fresh-air fan and driving 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 faces 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 is 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 is not contacted 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 is differed, and the second noise reduction box is U-shape structure, the second drop
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, the port of the second noise reduction box is provided with beam.
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 present invention has following features compared with prior art：
（1）The present invention can both be beneficial to the suction of fresh air and the filtering of fresh air by being fixed with wind pushing mechanism in fresh air discharge area
Process, again can quickly discharge the fresh air in fresh air discharge area, net beneficial to raising comfortableness and air with larger air output
Change efficiency, and noise reducing mechanism is provided with by the casing internal in wind pushing mechanism position, can effectively weaken wind pushing mechanism certainly
The operating noise that body is produced, can further absorb band in the fresh air from fresh air heat exchange outlet and air filtration mechanism out again
Some noises, it is ensured that level of noise is relatively low in the fresh air discharged from fresh air discharge area, level of noise is maintained at less than 60 decibels, will not
Influence the physical and mental health of user；
（2）The noise reducing mechanism that the present invention is used employs the open box typed structure in upper and lower bottom surface in fresh air exit, both has
Preferable noise reduction, can guarantee that the smooth discharge of fresh air again, and the discharge rate and rate of discharge influence on fresh air are smaller；Meanwhile,
In the fixed plate that noise reducing mechanism is arranged on to wind pushing mechanism, make noise reducing mechanism presence do not interfere with yet the air intake of wind pushing mechanism with
Air-out, and then do not interfere with the discharge rate of fresh air；
（3）The noise reducing mechanism of the use of the present invention is simple in construction, can realize the effect of fast noise reduction, will not increase too much again
The external dimensions of whole new blower fan, beneficial to the miniaturization of new blower fan, light-weighted developing direction；
（4）Noise reducing mechanism that the present invention is used is simple in construction, cost is relatively low, prepares, installs simple, both facilitates that to carry out industry raw
Production, is beneficial to save production cost, increases economic efficiency again.
Brief description of the drawings
Fig. 1 is the structural representation of the embodiment of the present invention；
Fig. 2 is the structural representation of the first noise reduction box in the specific embodiment of the invention 1；
Fig. 3 is the structural representation of the specific embodiment of the invention 2；
Fig. 4 be the specific embodiment of the invention 2 in the second noise reduction box structural representation.
Embodiment
The present invention 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 exhaust system in casing 1 and
VMC, and the heat exchanger 14 between old wind exhaust system and VMC；Old wind exhaust system includes independent
The old wind suction area 4 and old wind discharge area 15 set；VMC includes fresh air suction area 2, the fresh air discharge area 5 being independently arranged
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 new
Wind-heat exchanges outlet and fresh air heat exchange entrance, forms fresh air channel；Corresponding air exhaust heat is additionally provided with heat exchanger 14 to hand over
Change to mouth and air exhaust heat exchanges 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
Fresh air area 5, can both increase the resh air requirement of fresh air outlet, 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
The noise that wind mechanism 8 itself is produced also easily is discharged to interior with fresh air, improves the level of noise of interior, therefore the noise reduction machine
Structure 6 be exactly in order to reduce wind pushing mechanism 8 itself generation level of noise, moreover it is possible to along band will be from heat exchanger 14 and air filtration mechanism
The level of noise that fresh air in 3 out is carried is reduced in the lump, so as to ensure that the operating noise of new blower fan of the present invention is less than
The standard value of people's normal life and work is not influenceed, and noise reducing mechanism 6 exports 6-1 provided with fresh air, is easy to the fresh air after noise reduction
Discharge, to greatest extent reduce noise reducing mechanism 6 to the influence in terms of fresh air discharge rate, speed.
Wind pushing mechanism 8 includes the motor 12 of fresh-air fan 13 and driving 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, and motor 12 is arranged on motor 12 in the right side or left side of fresh-air fan 13, the present embodiment
Under the right side of fresh-air fan 13, 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 being located 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, both beneficial to installation, saves material, and energy
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 is not contacted 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 vibration that the air entered in the second noise reduction box 10 is mainly the generation of motor 12 is made an uproar
The fresh air that sound and operating noise and coming comes out since air filter machine structure 3, due to the factors such as medium species, the wind speed of entrance 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 being made up of quieter material
Face is densely covered with the platy structure of through hole, can be ventilative and can play certain noise reduction, noise reduction, and both of which uses L-shaped structure,
Both it is easy to make, installs, tie point can be reduced again, it is to avoid some fresh airs, which cannot be filtered, is 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 is passed from interior muffling hole plate 17 again, it is 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 by three times.Silencing cotton 18 is wavy shaped configuration, is disappeared
The density of sound cotton 18 is 20-30kg/m3, thickness is 30-40mm, with 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, it is not likely to produce malformation in the presence of fresh air and move the phenomenons such as position.
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
Just to fresh air export, therefore from the second noise reduction box 10 out fresh air can again be filtered 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 the more noise that motor 12 is produced, it is ensured that the work of whole new blower fan
Make level of noise relatively low.
Have overlapping between noise reducing mechanism 6 and wind pushing mechanism 8, but do not contacted between noise reducing mechanism 6 and wind pushing mechanism 8, dropped
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, 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）, it is ensured that it is 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 outlet 6-1 place discharge,
Fresh air is not had, and the phenomenon for being expelled directly out fresh air discharge area 5 is filtered without noise reduction.
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 is two
Individual, 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 area 5
Interior, 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 output
There is the new blower fan of bigger requirement, because the parameter such as simple model, power of increase fresh-air fan 13 can be led to improve air output
Cause noise content increase at double, and by setting up the way of wind pushing mechanism 8 while fresh air air output is increased, the increment of noise
It is relatively fewer.The structure of second noise reduction box 10 and the first noise reduction box 9 is differed, and the second noise reduction box 9 is U-shape structure, the second drop
Make an uproar case 9 bottom be provided with puigging 20, i.e., between the second noise reduction box 9 and fixed plate 7 be provided with puigging 20, from above-described embodiment 1
In understand, can be passed again from the first noise reduction box 9 into the fresh air in the second noise reduction box 10, then from fresh air outlet 6-1 place row
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 the fresh air level of noise that reduction is discharged from new blower fan, and the side of the second noise reduction box 10 includes interior muffling hole plate 17, disappeared outside
The silencing cotton 18 of grill 16 and filling therebetween, the port of the second noise reduction box 10 is provided with beam 21, can only exist
Junction between second noise reduction box 10 and vibration damper plate 11 sets beam 21 again, can also be while in the second noise reduction box 9 and admittedly
Beam 21 is also provided between fixed board 7, because the vibrating noise that the work of motor 12 is produced accounts for the major part of its operating noise, is reduced
The vibrations received of second noise reduction box 10 and fixed plate, can largely be beneficial to improve noise reduction.
The size of noise reducing mechanism 6 is not less than the size at the air outlet of wind pushing mechanism 8, it is ensured that noise reducing mechanism 6 has enough skies
Between the noise from wind pushing mechanism 8 out is filtered, reduced, it is ensured that fresh air level of noise satisfaction that whole new blower fan is produced
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 and old wind being independently arranged
Discharge area；VMC is discharged including the fresh air suction area being independently arranged, fresh air discharge area and positioned at fresh air suction area and fresh air
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 is exported 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 being located 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, and casing is six
Face body structure, hexahedral upper and lower bottom surface is uncovered structure, and hexahedral upper and lower bottom surface faces the air outlet of fresh-air fan,
Casing includes the interior muffling hole plate, the outer muffling hole plate of L-shaped and fixed silencing cotton therebetween of L-shaped.
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 is 30-40mm.
6. the new blower fan of the low noise stated according to claim 4, it is characterised in that：It is provided between interior muffling hole plate and outer muffling hole plate
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 is not contacted 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 overlapping between structure, provided with not overlapping between beam, or noise reducing mechanism and wind pushing mechanism between lap.
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 is differed, 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, the port of bottom surface is provided with beam.
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 |
|---|---|---|---|
| CN201710391016.3A CN107101353B (en) | 2017-05-27 | 2017-05-27 | New fan of low noise |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710391016.3A CN107101353B (en) | 2017-05-27 | 2017-05-27 | New fan of low noise |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107101353A true CN107101353A (en) | 2017-08-29 |
| CN107101353B CN107101353B (en) | 2022-08-26 |
Family
ID=59660460
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710391016.3A Active CN107101353B (en) | 2017-05-27 | 2017-05-27 | New fan of low noise |
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| Country | Link |
|---|---|
| CN (1) | CN107101353B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| CN107101353B (en) | 2022-08-26 |
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