CN109720172A - Air conditioning air outlet denoising structure - Google Patents
Air conditioning air outlet denoising structure Download PDFInfo
- Publication number
- CN109720172A CN109720172A CN201711025158.4A CN201711025158A CN109720172A CN 109720172 A CN109720172 A CN 109720172A CN 201711025158 A CN201711025158 A CN 201711025158A CN 109720172 A CN109720172 A CN 109720172A
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- CN
- China
- Prior art keywords
- air outlet
- air
- denoising structure
- blower assembly
- air conditioning
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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- 238000004378 air conditioning Methods 0.000 title claims abstract description 85
- 239000011358 absorbing material Substances 0.000 claims abstract description 13
- 239000000463 material Substances 0.000 claims abstract description 8
- 238000005192 partition Methods 0.000 claims description 27
- 230000003584 silencer Effects 0.000 claims description 17
- 229920000742 Cotton Polymers 0.000 claims description 10
- 239000000565 sealant Substances 0.000 claims description 9
- 238000009413 insulation Methods 0.000 claims description 6
- 230000009467 reduction Effects 0.000 claims description 6
- 238000010521 absorption reaction Methods 0.000 claims description 3
- 229920001577 copolymer Polymers 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 238000007789 sealing Methods 0.000 abstract description 3
- 230000005855 radiation Effects 0.000 abstract description 2
- 230000004888 barrier function Effects 0.000 description 14
- 230000009286 beneficial effect Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical group [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- 239000011888 foil Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000002195 synergetic effect Effects 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 239000012814 acoustic material Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000005030 aluminium foil Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- BCAARMUWIRURQS-UHFFFAOYSA-N dicalcium;oxocalcium;silicate Chemical compound [Ca+2].[Ca+2].[Ca]=O.[O-][Si]([O-])([O-])[O-] BCAARMUWIRURQS-UHFFFAOYSA-N 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 230000030279 gene silencing Effects 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000010025 steaming Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Air-Conditioning For Vehicles (AREA)
Abstract
The present invention relates to a kind of air conditioning air outlet denoising structures.Air conditioning air outlet denoising structure includes the blower assembly of car body with the outside that car body top is arranged in, car body is equipped with return air inlet and air outlet, closing framework between blower assembly and corresponding air outlet and/or between blower assembly and corresponding return air inlet, the material for closing framework is sound-absorbing material, and the closing framework forms airflow channel.Closing framework is equipped between the blower assembly and air outlet of the air conditioning air outlet denoising structure and/or between blower assembly and return air inlet, not only act as sealing function, and the gas-flow resistance at air outlet and/or return air inlet is influenced smaller, closing framework is made of sound-absorbing material, sound-absorbing material can absorb the noise of blower assembly generation, reduce radiation of the noise of blower assembly generation into compartment.
Description
Technical field
The present invention relates to a kind of air conditioning air outlet denoising structures.
Background technique
The air-conditioning system of car mainly includes compressor, high pressure matchmaker pipe, air-conditioning bottom case and air-conditioning duct, in air-conditioning bottom case
Equipped with blower assembly, blower assembly includes condenser fan and evaporator fan.Air-conditioning pressure after air-conditioning system on car is opened
Contracting machine and blower assembly operational process can generate very big vibration and noise, lead to take uncomfortable, passenger's complaint etc. in compartment
Problem.
Notification number is CN204880604U, and the day for announcing is that the Chinese utility model patent of 2015.12.16 discloses a kind of visitor
Vehicle air-conditioning noise reduction return grid for air, which is arranged at the return air inlet of coach air conditioner, including bottom frame 29, bottom frame
29 are fixed on bus body skeleton, and housing 30 is connected on bottom frame 29, and housing 30 is fixed on bottom frame by screw 32,
At least two plates 31 are provided between housing 30 and bottom frame 29, plate 31 is perforated plate, center line of the plate 31 about bottom frame
It is arranged symmetrically, plate 31 is in tilted layout, and cohering on plate 31 has sound-absorbing material.Perforated plate and suction during coach air conditioner return air
Sound material forms resonance sound-absorbing cavity configuration, using resonance sound-absorbing principle, has the function of absorbing to air conditioner noises and inhibits, vehicle thus
Play the purpose for reducing internal car noise.
But above-mentioned coach air conditioner noise reduction return grid for air will cause the increase of the back wind resistance at return air inlet, interior cooling rate
Decline, is not able to satisfy requirement of the people to vehicle comfort.
Summary of the invention
The purpose of the present invention is to provide a kind of air conditioning air outlet denoising structures, solve air-conditioning return air grid meeting in the prior art
The problem of causing the back wind resistance at return air inlet to increase.
To achieve the above object, the technical solution of air conditioning air outlet denoising structure of the present invention is:
Technical solution 1: air conditioning air outlet denoising structure include car body and be arranged in car body top outside blower assembly, on car body
Envelope equipped with return air inlet and air outlet, between blower assembly and corresponding air outlet and/or between blower assembly and corresponding return air inlet
Framework is closed, the material for closing framework is sound-absorbing material, and the closing framework forms airflow channel.The beneficial effect is that: the air-conditioning
Closing framework is equipped between the blower assembly and air outlet of air port denoising structure and/or between blower assembly and return air inlet, not only
Sealing function is played, and smaller on the gas-flow resistance influence at air outlet and/or return air inlet, closes framework by sound-absorbing material system
At sound-absorbing material can absorb the noise of blower assembly generation, reduce radiation of the noise of blower assembly generation into compartment.
Technical solution 2: on the basis of technical solution 1, being equipped with interval between the blower assembly and car body top, described
Framework is closed to be arranged in the interval.
Technical solution 3: on the basis of technical solution 1, the sound-absorbing material is sound absorption sponge.
Technical solution 4: on the basis of technical solution 1 or 2 or 3, the blower assembly includes condenser fan and evaporation
Device blower, the blower assembly is interior to be equipped with partition, and blower assembly is divided into the first chamber for being used to accommodate evaporator fan by partition
With the second chamber for accommodating condenser fan, puigging is equipped at the partition.The beneficial effect is that: condenser fan and
It is equipped with partition between evaporator fan, puigging is set at partition, puigging can be avoided condenser fan and evaporator fan
Vibration noise generate synergistic effect.
Technical solution 5: on the basis of technical solution 4, the partition is made of spaced partition, adjacent separator it
Between filling with sealant form the puigging.The beneficial effect is that: filling with sealant can not only reduce steaming between adjacent separator
Influencing each other for the work noise of the work noise and condenser fan of hair device blower, also can be effectively suppressed partition-type structures itself vibration
The raw noise of movable property.
Technical solution 6: on the basis of technical solution 5, the partition is perforated equipped with pipeline, is equipped in pipeline perforation
The connecting line of evaporator fan and condenser fan is equipped with vibration insulation between connecting line and pipeline perforation.Its advantages
Be: being equipped with vibration insulation in the interval of connecting line and pipeline perforation prevents pipeline vibration, reduces vibration noise.
Technical solution 7: on the basis of technical solution 6, the vibration insulation perforates it by being filled in connecting line and pipeline
Between sealant formed.
Technical solution 8: on the basis of technical solution 1 or 2 or 3, the air conditioning air outlet denoising structure further includes for inciting somebody to action
Cold air is transported to the air-conditioning duct of interior, and the side wall of air-conditioning duct and bottom are equipped with acoustical cotton.The beneficial effect is that:
Silencing cotton is set by the side wall and bottom wall in air duct, absorbs the reverberation noise that cold air generates in air duct, promotes compartment
The comfort that interior passenger takes.
Technical solution 9: on the basis of technical solution 8, the material of the acoustical cotton is the copolymer of PP and PET.It has
Beneficial effect is: the acoustical cotton made of PP and PET copolymer can the high frequency wind noise to 1000Hz or more have preferable sound absorption effect
Fruit has low volatility, excellent water proof fire retardant performance.
Technical solution 10: on the basis of technical solution 1 or 2 or 3, air conditioning air outlet denoising structure further includes for being connected to
Silencer between compressor and high pressure matchmaker's pipe.The beneficial effect is that: silencer can reduce the high temperature of compressor of air conditioner generation
High pressure gas vibration noise extends the service life of air-conditioning high pressure matchmaker's pipe.
Technical solution 11: on the basis of technical solution 10, the silencer is expansion muffler.
Technical solution 12: on the basis of technical solution 10, the air inlet port and air outlet of the silencer lead to respectively
Cross gas outlet and the high pressure matchmaker pipe of flanged joint compressor.
Detailed description of the invention
Fig. 1 is layout drawing of the air-conditioning noise reduction return grid for air on vehicle in the prior art；
Fig. 2 is the structural schematic diagram of air-conditioning noise reduction return grid for air in the prior art；
Fig. 3 is layout drawing of the air conditioning air outlet denoising structure of the present invention on vehicle；
Fig. 4 is the partial enlarged view of the middle A of Fig. 3；
Fig. 5 is the structural schematic diagram of the silencer of air conditioning air outlet denoising structure of the present invention；
Fig. 6 is the partial sectional view of Fig. 5；
Fig. 7 is the partial exploded view of air conditioning air outlet denoising structure of the present invention；
Fig. 8 is the structural schematic diagram of the noise barrier flaps of air conditioning air outlet denoising structure of the present invention；
Fig. 9 is layout drawing of the blower assembly of air conditioning air outlet denoising structure of the present invention on vehicle；
Figure 10 is the side view of the blower assembly of air conditioning air outlet denoising structure of the present invention；
Figure 11 is the top view of the blower assembly of air conditioning air outlet denoising structure of the present invention；
Figure 12 separates the structural schematic diagram of arrangement between the evaporator fan and condenser fan for blower assembly shown in Figure 11；
Figure 13 is layout drawing of the air-conditioning duct of air conditioning air outlet denoising structure of the present invention on vehicle；
Figure 14 is the air-conditioning duct of air conditioning air outlet denoising structure of the present invention and the structural schematic diagram of luggage carrier；
Figure 15 is the air-conditioning duct of air conditioning air outlet denoising structure of the present invention and the main view of luggage carrier；
Figure 16 is the structural schematic diagram of the air-conditioning duct of air conditioning air outlet denoising structure of the present invention.
Description of symbols: 1. compressors；2. high pressure matchmaker manages；3. silencer；4. blower assembly；5. connecting flange；6. into
Gas port；7. connecting bracket；8. flute hole；9. air outlet；10. partition；11. interval；12. airintake direction marks；13. noise hinders
Partition；14. Top Skin；15.PE plate；16.EVA plate；17. aluminium foil version；18. sealant；19. air outlet；20. closing framework；
21. return air inlet；22. luggage carrier；23. air-conditioning duct；24. acoustical cotton；25. duct outlet；26. pipeline is perforated；27. the first chamber
Room；28. second chamber；29. bottom frame；30. housing；31. plate；32. screw.
Specific embodiment
Embodiments of the present invention are described further with reference to the accompanying drawing.
The embodiment 1 of air conditioning air outlet denoising structure of the invention, as shown in Figures 3 to 16, the air conditioning air outlet denoising structure
Blower assembly 4 including car body He the outside that car body top is arranged in.Blower assembly 4 includes condenser fan and evaporator wind
Machine is equipped with partition between condenser fan and evaporator fan, blower assembly 4 is divided by partition is used to accommodate evaporator fan
First chamber 27 and second chamber 28 for accommodating condenser fan are equipped with puigging at partition.Partition is by spaced
Partition 10 is formed, and is filled up completely to form the puigging with sealant 18 between adjacent separator 10, partition 10 is worn equipped with pipeline
Hole 26 is equipped with the connecting line of evaporator fan and condenser fan in pipeline perforation, and sealant 18 is filled in connecting line
Vibration insulation is formed between pipeline perforation 26.
The noise barrier of the noise for stopping blower assembly 4 to generate is equipped between blower assembly 4 and Top Skin 14
Piece 13, car body are equipped with return air inlet 21 and air outlet 19, and noise barrier flaps 13 are equipped with and return air inlet 21 is corresponding on car body opens
Mouthful, the inner side edge of air outlet 19 on car body is no more than at left and right sides of noise barrier flaps, noise barrier flaps 13 are three-layer composite board, most
Upper layer is aluminum foil plate 17, and lowest level is PE plate 15, and EVA plate 16 is folded between aluminum foil plate 17 and PE plate 15, noise barrier flaps 13
The one side that lowest level is contacted with Top Skin 14 applies alite paste, and stickup is covered on Top Skin, noise barrier flaps 13 and roof
The boundary of covering 14 is covered with sealant.
Between blower assembly 4 and car body top be equipped with interval 11, between blower assembly 4 and return air inlet 21 corresponding on car body with
And closing framework 20 is equipped between blower assembly 4 and air outlet 19 corresponding on car body, closing framework 20 forms airflow channel, envelope
It closes framework 20 to be made of sound-absorbing material, sound-absorbing material is sound-absorbing sponge.
Air conditioning air outlet denoising structure further includes the silencer 3 being connected between the gas outlet of compressor 1 and high pressure matchmaker pipe 2,
Silencer 3 is a kind of expanding silencer in the prior art, and the outer surface of silencer 3 is equipped with airintake direction label 12, disappears
The side wall that the air inlet port 6 of sound device 3 protrudes into the part of silencer 3 is equipped with several flute holes 8, and air inlet port 6 divides with air outlet 9
Not by the gas outlet of 5 connect compressor 1 of connecting flange and high pressure matchmaker pipe 2, silencer 3 is equipped with for being fixedly connected with the vehicle body
Connecting bracket 7.
Air conditioning air outlet denoising structure further includes row air-conditioning duct 23, and air-conditioning duct 23 is set with luggage carrier 22 with for integrated form
Meter, air-conditioning duct 23 extend in car body on most heel row passenger seat from the first row passenger seat top position of front out of car body
Place is set in orientation, is corresponded on air-conditioning duct 23 and is equipped with duct outlet 25 at the position of every row's passenger seat.Due to air-conditioner wind
The cross-sectional area in road 23 is much larger than the cross-sectional area of duct outlet 25, and air can generate biggish reverberation in air-conditioning duct 23
Noise is pasted with suction in the side wall and bottom wall of air-conditioning duct 23 in order to avoid reverberation noise impacts the environment in compartment
Sound cotton 24, the material of acoustical cotton are the copolymer of PP and PET.
When air conditioning air outlet denoising structure of the present invention is applied on car, the compressor 1 that silencer 3 can reduce air-conditioning is generated
High temperature and high pressure gas vibration noise, extend air-conditioning high pressure matchmaker pipe 2 service life；The blower assembly 4 and car body top of air-conditioning
Between be equipped with noise barrier flaps 13, the vibration noise that barrier blower assembly 4 generates is transmitted by roof and body frame to car；
It is equipped with puigging between the condenser fan and evaporator fan of the blower assembly 4 of air-conditioning, obstructs condenser fan and evaporator
The vibration noise of blower generates synergistic effect；Between the blower assembly 4 of air-conditioning and corresponding return air inlet 21 and blower assembly 4 and phase
It answers to be arranged between air outlet 19 and closes framework 20 made of sound-absorbing material, reduce the noise that blower assembly generates and pass through return air inlet
21 and air outlet 19 to car transmit；Acoustical cotton 24 is pasted on 23 inner wall of air-conditioning duct, reduces air-conditioner wind after air-conditioning system is opened
Reverberation noise in road 23.Noise reduction everywhere in air conditioning air outlet denoising structure through the invention, greatly improves the comfortable of vehicle
Property.
The embodiment 2 of air conditioning air outlet denoising structure of the present invention, difference from example 1 is that, evaporator fan and
It fills to form sealing partition with sound-absorbing sponge at partition between condenser fan.
The embodiment 3 of air conditioning air outlet denoising structure of the present invention, difference from example 1 is that, noise barrier flaps are
Four layers, top layer is aluminum foil plate, and lowest level is rubber slab, is followed successively by EVA plate and PE plate, rubber slab pair from top to bottom intermediate two layers
Buffer function is played in the vibration of blower assembly.
The embodiment 4 of air conditioning air outlet denoising structure of the present invention, difference from example 1 is that, partition is aluminium alloy
Acoustic material is pasted in plate, partition two sides.
The embodiment 5 of air conditioning air outlet denoising structure of the present invention, difference from example 1 is that, the pressure of air-conditioning system
Contracting machine is screw compressor.
The embodiment 6 of air conditioning air outlet denoising structure of the present invention, difference from example 1 is that, noise barrier flaps
Air outlet on the covering body of the left and right sides opens up opening gas supply circulation corresponding with air outlet on car body in noise barrier flaps
It crosses.
The embodiment 7 of air conditioning air outlet denoising structure of the present invention, difference from example 1 is that, noise barrier flaps are not
It is one piece of entirety, noise barrier flaps are spliced to form by muti-piece splicing block.
The embodiment 8 of air conditioning air outlet denoising structure of the present invention, difference from example 1 is that, car body top and wind
It is not provided with being spaced between machine assembly, mounting groove is set at air outlet and return air inlet, closing framework is mounted in mounting groove.
The embodiment 9 of air conditioning air outlet denoising structure of the present invention, difference from example 1 is that, closing framework is downward
It extends in the return air inlet of car body and the air outlet of car body.
The embodiment 10 of air conditioning air outlet denoising structure of the present invention, difference from example 1 is that, vibration insulation is setting
Rubber washer between connecting line and pipeline perforation.
The embodiment 11 of air conditioning air outlet denoising structure of the present invention, difference from example 1 is that, partition is by sound insulation material
Material is made.
In other embodiments, silencer may be the silencer of other forms, for example, dissipative muffler or compound
Formula silencer.
Claims (10)
1. air conditioning air outlet denoising structure, the blower assembly including car body He the outside that car body top is arranged in, car body are equipped with back
Air port and air outlet, it is characterised in that: between blower assembly and corresponding air outlet and/or between blower assembly and corresponding return air inlet
Closing framework, the material for closing framework is sound-absorbing material, closing framework formation airflow channel.
2. air conditioning air outlet denoising structure according to claim 1, it is characterised in that: the blower assembly and car body top it
Between be equipped with interval, closing framework setting is in the interval.
3. air conditioning air outlet denoising structure according to claim 1, it is characterised in that: the sound-absorbing material is sound absorption sponge.
4. air conditioning air outlet denoising structure according to claim 1 or 2 or 3, it is characterised in that: the blower assembly includes cold
Condenser blower and evaporator fan, the blower assembly is interior to be equipped with partition, and blower assembly is divided by partition to be used to accommodate evaporator
The first chamber of blower and second chamber for accommodating condenser fan are equipped with puigging at the partition.
5. air conditioning air outlet denoising structure according to claim 4, it is characterised in that: the partition is by spaced partition
It forms, filling with sealant forms the puigging between adjacent separator.
6. air conditioning air outlet denoising structure according to claim 5, it is characterised in that: the partition is perforated equipped with pipeline,
The connecting line of evaporator fan and condenser fan is equipped in pipeline perforation, be equipped between connecting line and pipeline perforation every
Shake layer.
7. air conditioning air outlet denoising structure according to claim 6, it is characterised in that: the vibration insulation is by being filled in connecting tube
Sealant between road and pipeline perforation is formed.
8. air conditioning air outlet denoising structure according to claim 1 or 2 or 3, it is characterised in that: the air conditioning air outlet noise reduction knot
Structure further includes the air-conditioning duct for cold air to be transported to interior, and the side wall of air-conditioning duct and bottom are equipped with sound-absorbing
Cotton.
9. air conditioning air outlet denoising structure according to claim 8, it is characterised in that: the material of the acoustical cotton be PP and
The copolymer of PET.
10. air conditioning air outlet denoising structure according to claim 1 or 2 or 3, it is characterised in that: air conditioning air outlet denoising structure
It further include the silencer for being connected between compressor and high pressure matchmaker's pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711025158.4A CN109720172A (en) | 2017-10-27 | 2017-10-27 | Air conditioning air outlet denoising structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711025158.4A CN109720172A (en) | 2017-10-27 | 2017-10-27 | Air conditioning air outlet denoising structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109720172A true CN109720172A (en) | 2019-05-07 |
Family
ID=66290913
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711025158.4A Pending CN109720172A (en) | 2017-10-27 | 2017-10-27 | Air conditioning air outlet denoising structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109720172A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110450804A (en) * | 2019-07-31 | 2019-11-15 | 中车青岛四方机车车辆股份有限公司 | Train air-conditioning return air system, train air-conditioning device and train |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Country or region after: China Address after: No. 6 Yutong Road, Guancheng Hui District, Zhengzhou City, Henan Province Applicant after: Yutong Bus Co.,Ltd. Address before: Yutong Industrial Park, Shibalihe, Zhengzhou City, Henan Province Applicant before: ZHENGZHOU YUTONG BUS Co.,Ltd. Country or region before: China |