CN104359213A - Noise reduction hose, noise reduction device, air-conditioner indoor unit and air-conditioner outdoor unit - Google Patents

Noise reduction hose, noise reduction device, air-conditioner indoor unit and air-conditioner outdoor unit Download PDF

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Publication number
CN104359213A
CN104359213A CN201410641128.6A CN201410641128A CN104359213A CN 104359213 A CN104359213 A CN 104359213A CN 201410641128 A CN201410641128 A CN 201410641128A CN 104359213 A CN104359213 A CN 104359213A
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CN
China
Prior art keywords
air
noise reduction
flexible pipe
ducting ring
reduction flexible
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Granted
Application number
CN201410641128.6A
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Chinese (zh)
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CN104359213B (en
Inventor
覃强
刘阳
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GD Midea Air Conditioning Equipment Co Ltd
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Guangdong Midea Refrigeration Equipment Co Ltd
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Priority to CN201410641128.6A priority Critical patent/CN104359213B/en
Publication of CN104359213A publication Critical patent/CN104359213A/en
Application granted granted Critical
Publication of CN104359213B publication Critical patent/CN104359213B/en
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/24Means for preventing or suppressing noise
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/24Means for preventing or suppressing noise
    • F24F2013/242Sound-absorbing material

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Duct Arrangements (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)

Abstract

The invention provides a noise reduction hose. The noise reduction hose is arranged to surround an air guide ring; a notch is formed in the noise reduction hose and two free ends are formed at the notch; the noise reduction hose is provided with a surface fitted with the air guide ring; the noise reduction hose is closely fitted with the air guide ring by use of connecting pieces connected to the two free ends or fixed on the air guide ring by use of the surface glued with the air guide ring; the noise reduction hose is provided with a sound absorption periphery made of a sound absorption material. The sound absorption periphery of the noise reduction hose is used for absorbing airflow pressure escaping from the air guide ring and reducing the airflow velocity to weaken the airflow, and therefore, the reflux and the eddy formed at the air guide ring can be effectively reduced, the noise in the inner cavity of a device can be greatly reduced and the tone quality and the hearing comfort are improved. The invention also provides a noise reduction device comprising the noise reduction hose, an air-conditioner indoor unit and an air-conditioner outdoor unit.

Description

Noise reduction flexible pipe, denoising device, air conditioner room unit and air-conditioner outdoor unit
Technical field
The invention belongs to noise reduction technology field, particularly relate to a kind of noise reduction flexible pipe, denoising device and there is air conditioner room unit, the air-conditioner outdoor unit of this denoising device.
Background technology
At present, air-ducting ring on the equipment with axial flow blower or diagonal flow fan is adopt outward flanging to expand into bell-mouthed version more mostly, so, a circle flange is defined at the windward side of air-ducting ring, when so just causing fan blade to work, fraction has departed from air-ducting ring and has blown to formation backflow on front panel, larger vortex flow is produced at air-ducting ring root position, thus produce larger noise, the vortex flow noise herein formed can be passed to the said equipment outside, therefore, there is the large phenomenon of noise in the equipment with axial flow blower or diagonal flow fan of the prior art.
Summary of the invention
The object of the present invention is to provide a kind of noise reduction flexible pipe, be intended to solve the equipment in prior art with axial flow blower or diagonal flow fan and there is the problem that noise affects greatly sense of hearing comfortableness.
The present invention realizes like this, a kind of noise reduction flexible pipe, in order to enclose an air-ducting ring, described noise reduction flexible pipe offers an otch and has two free ends in this incision, described noise reduction flexible pipe has the surface of fitting with described air-ducting ring, described noise reduction flexible pipe is close in described air-ducting ring or by described surface and described air-ducting ring and is pasted by being connected to the connecting portion of two described free ends and be fixed in described air-ducting ring, and it is peripheral that described noise reduction flexible pipe has the sound-absorbing be made up of sound-absorbing material.
Further, described noise reduction flexible pipe is solid tubes, and this solid tubes has predetermined density.
Further, described noise reduction flexible pipe comprise the described sound-absorbing be made up of the first sound-absorbing material peripheral and be wrapped in make in described sound-absorbing periphery and by the second sound-absorbing material in soft formation, described interior soft formation is solid layer or voided layer.
Further, gap is had between described interior soft formation and described sound-absorbing periphery.
Further, described first sound-absorbing material is softer than described second sound-absorbing material.
Further, described noise reduction flexible pipe to be located in described air-ducting ring and to be greater than 180 degree with the center of arc angle that the center of circle of described air-ducting ring is formed and to be less than 360 degree.
Another object of the present invention is to provide a kind of denoising device, it comprises front panel, be opened in the air-ducting ring that air outlet on described front panel and correspondence are arranged at described air outlet place, air-flow passes described air-ducting ring and is discharged by described air outlet, the windward side periphery of described air-ducting ring is outwards formed with flange, annular groove is formed between the flange of described air-ducting ring and described front panel, described denoising device also comprises above-mentioned noise reduction flexible pipe, and described noise reduction flexible pipe is located in described annular groove along described air-ducting ring.
Further, described noise reduction flexible pipe to embed in described annular groove and fits with the bottom land of this annular groove, and the outside away from described annular groove of described noise reduction flexible pipe has the lateral surface formed by the constraint of the side portion structure of described front panel.
Further, described front panel is provided with spacer member near described air-ducting ring, and the described otch of described noise reduction flexible pipe is between described spacer member and described air-ducting ring and correspond to the close of described spacer member and described air-ducting ring and locate.
Another object of the present invention is to provide a kind of air-conditioner outdoor unit, it comprises the housing with described front panel, described housing is formed with air inlet and described air outlet, air channel is formed between described air inlet and described air outlet, axial flow or diagonal flow fan and heat exchanger is provided with in described air channel, described air-conditioner outdoor unit also comprises above-mentioned denoising device, and described air-ducting ring is arranged at the inner side of described front panel, and described blower fan band moving air flow is by described heat exchanger and by described air-ducting ring discharge.
4th object of the present invention is to provide a kind of air conditioner room unit, it comprises the housing with described front panel, described housing is formed with air inlet and described air outlet, air channel is formed between described air inlet and described air outlet, axial flow or diagonal flow fan and heat exchanger is provided with in described air channel, described air conditioner room unit also comprises above-mentioned denoising device, described air-ducting ring is arranged at the inner side of described front panel, and described blower fan band moving air flow is by described heat exchanger and by described air-ducting ring discharge.
Due to the existence of noise reduction flexible pipe, absorb the stream pressure of fleeing from air-ducting ring by the sound-absorbing periphery of noise reduction flexible pipe, reduce air velocity, air-flow is weakened, effectively reduce backflow and the vortex flow of the formation of air-ducting ring place, have the existence of noise reduction flexible pipe, achieve the object of air-ducting ring place noise reduction
Denoising device, air-conditioner outdoor unit, air conditioner room unit, dehumidifier, humidifier, clarifier, new blower fan or other equipment with axial flow blower or diagonal flow fan are after the above-mentioned noise reduction flexible pipe of application, greatly reduce the noise of the said equipment inner chamber, the particularly level of noise of each point from all directions, effectively can reduce noise, improve the sense of hearing comfortableness of user, also improve the competitiveness of product in market simultaneously.
Accompanying drawing explanation
Fig. 1 is the three-dimensional assembly diagram of the denoising device that first embodiment of the invention provides.
Fig. 2 is the front view of the denoising device of Fig. 1.
Fig. 3 is the sectional view of the denoising device A-A along the line of Fig. 2.
Fig. 4 is the sectional view of the denoising device B-B along the line of Fig. 2.
Fig. 5 is the structure chart of the noise reduction flexible pipe of the denoising device of Fig. 2, and wherein this noise reduction flexible pipe is the structural representation be used in the annular groove of air-ducting ring.
Fig. 6 is the sectional view of the noise reduction flexible pipe C-C along the line of Fig. 5.
Fig. 7 is the structure chart of the noise reduction flexible pipe of the denoising device of Fig. 2, illustrated therein is noise reduction flexible pipe free state.
Fig. 8 is the sectional view of the noise reduction flexible pipe D-D along the line of Fig. 7.
Fig. 9 is the sectional view under the noise reduction flexible pipe nature of the denoising device that second embodiment of the invention provides.
Figure 10 is the sectional view under the noise reduction flexible pipe nature of the denoising device that third embodiment of the invention provides.
Figure 11 is the another kind of structural representation of the noise reduction flexible pipe used in each embodiment above-mentioned.
Detailed description of the invention
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
Please refer to Fig. 1 to Fig. 5, the denoising device that first embodiment of the invention provides comprises front panel 10, be opened in the air-ducting ring 20 that air outlet 11 on described front panel 10 and correspondence are arranged at described air outlet 11 place, air-flow passes described air-ducting ring 20 and is discharged by described air outlet 11, the windward side periphery of described air-ducting ring 20 is outwards formed with flange 21, annular groove 22 is formed between the flange 21 of described air-ducting ring 20 and described front panel 10, in described annular groove 22, described air-ducting ring 20 is provided with noise reduction flexible pipe 40, described noise reduction flexible pipe 40 has the sound-absorbing periphery 42 of being made up of sound-absorbing material.
Denoising device can be applicable to air-conditioner outdoor unit, air conditioner room unit, dehumidifier, humidifier, clarifier or new blower fan or other have on the equipment of axial flow blower or diagonal flow fan.When the said equipment works, the air-flow major part produced by blower fan blows to the space outerpace of the said equipment by air-ducting ring 20, but because the flange 21 of air-ducting ring 20 affects, part air-flow has deflected away from air-ducting ring 20 and has blown to and front panel 10 internal face defines backflow and vortex flow, thus increase the noise of the said equipment inner chamber and the level of noise at air outlet 11 place, owing to present invention employs noise reduction flexible pipe 40, and noise reduction flexible pipe 40 is arranged in annular groove 22 along air-ducting ring 20, noise reduction flexible pipe 40 has sound-absorbing periphery 42, the stream pressure of fleeing from the flange 21 of air-ducting ring 20 is absorbed by the sound-absorbing peripheral 42 of noise reduction flexible pipe 40, reduce air velocity, air-flow is weakened, effectively reduce backflow and the vortex flow of the formation of air-ducting ring 20 place, greatly reduce the noise of the said equipment inner chamber, the particularly level of noise of each point from all directions, reach the object reducing the said equipment noise and improve tonequality and sense of hearing comfortableness.
Please refer to Figure 11, above-mentioned noise reduction flexible pipe 40 can as an independent protection theme, this noise reduction flexible pipe 40 is in order to enclose described air-ducting ring 20, described noise reduction flexible pipe 40 offers an otch 41 and has two free ends in this otch 41 place, described noise reduction flexible pipe 40 has the surface of fitting with described air-ducting ring 20, described noise reduction flexible pipe 40 is by being connected to the connecting portion 47 of two described free ends and being close in described air-ducting ring 20 or by described surface and described noise reduction flexible pipe 40 and pasting and be fixed in described air-ducting ring 20, described noise reduction flexible pipe 40 has the described sound-absorbing periphery 42 of being made up of sound-absorbing material.
Due to the existence of noise reduction flexible pipe 40, the stream pressure of fleeing from air-ducting ring 20 is absorbed by the sound-absorbing peripheral 42 of noise reduction flexible pipe 40, reduce air velocity, air-flow is weakened, effectively reduce backflow and the vortex flow of the formation of air-ducting ring 20 place, greatly reduce the noise of the said equipment inner chamber, particularly the level of noise of each point from all directions, reach the object reducing the said equipment noise and improve tonequality and sense of hearing comfortableness.There is the existence of noise reduction flexible pipe 40, the object of air-ducting ring 20 place noise reduction can be realized equally.
For the technical scheme of " described noise reduction flexible pipe 40 is pasted by described surface and described air-ducting ring 20 and is fixed in described air-ducting ring 20 ", specifically can be: between the described surface of described noise reduction flexible pipe 40 and described air-ducting ring 20, be formed with adhesive-layer (not shown), by this adhesive-layer, noise reduction flexible pipe 40 and air-ducting ring 20 are bondd fixing.Again particularly, adhesive-layer is connected between described surface and described annular groove 22, and described noise reduction flexible pipe 40 is bonding by described adhesive-layer with described annular groove 22.
For the technical scheme of " described noise reduction flexible pipe 40 is close in described air-ducting ring 20 by being connected to the connecting portion 47 of two described free ends ", specifically can be: described connecting portion 47 comprises pile face (not shown) and tears off or hook the hooked face (not shown) of closing on described pile face, pile face and hooked face are connected to two free ends of otch 41, the connection of two free ends realizing noise reduction flexible pipe 40 is closed by the hook of pile face and hooked face, tear off mutually between pile face and hooked face, realize the disconnection of two free ends of noise reduction flexible pipe 40.This connecting portion 47 can be specially VELCRO.
The concrete structure below relating to noise reduction flexible pipe 40 all can be the content limited further this noise reduction flexible pipe 40.
Described noise reduction flexible pipe 40 to embed in described annular groove 22 and fits with the bottom land of this annular groove 22, the outside away from described annular groove 22 of described noise reduction flexible pipe 40 has the lateral surface formed by the constraint of the side portion structure 43 of described front panel 10, " laminating " mentioned here is meant to can be bonded together between noise reduction flexible pipe 40 and annular groove 22, also can be together non-caked, below relate to both laminatings to anticipate all for this reason, repeat no more.
For the technical scheme that noise reduction flexible pipe 40 and annular groove 22 are bonded together, particularly, adhesive-layer (not shown) is formed between described noise reduction flexible pipe 40 and described annular groove 22, described noise reduction flexible pipe 40 is bonding by described adhesive-layer with described annular groove 22, by the cementation of adhesive-layer, noise reduction flexible pipe 40 and annular groove 22 are linked together securely.For both laminatings and the technical scheme of bonding can be by adhesive-layer between the two and bond, below repeat no more.
Please refer to Fig. 6 to Fig. 8, in a first embodiment, described noise reduction flexible pipe 40 is solid tubes, this solid tubes has predetermined density, the pipeline section 44 that the density that this noise reduction flexible pipe 40 side portion structure 43 had by described front panel 10 retrains and formed increases, especially, Fig. 5 shows this pipeline section 44.Because the density of pipeline section 44 increases, very large to the airflow-resistive effect flowed through herein, fine to the sound-absorbing effect of noise, turbulent flow can not be produced herein.
In a first embodiment, described noise reduction flexible pipe 40 to be located in described annular groove 22 and to be greater than 180 degree with the center of arc angle that the center of circle of described air outlet 11 is formed and to be less than 360 degree.Or described noise reduction flexible pipe 40 to be located in described air-ducting ring 20 and to be greater than 180 degree with the center of arc angle that the center of circle of described air-ducting ring 20 is formed and to be less than 360 degree.
The sound-absorbing material of the sound-absorbing periphery 42 of noise reduction flexible pipe 40 can be the sound-absorbing materials such as acoustical cotton, sponge, cotton wool fabric, glass fibre.
Further, described front panel 10 is provided with spacer member 30 near described air-ducting ring 20, described noise reduction flexible pipe 40 offers otch 41, this otch 41 between described spacer member 30 and described air-ducting ring 20 and correspond to described spacer member 30 and described air-ducting ring 20 near locating.This structure is arranged for air-conditioner outdoor unit or air conditioner room unit, close nearer of spacer member 30 and air-ducting ring 20, make the gap between air-ducting ring 20 and spacer member 30 very little, general noise reduction flexible pipe 40 can not put in, the noise that reduction air-ducting ring 20 of having no idea flange 21 produces, have employed noise reduction flexible pipe 40 in the present invention is placed in the annular groove 22 at air-ducting ring 20 place, and noise reduction flexible pipe 40 and position corresponding to the stenosis between air-ducting ring 20 with spacer member 30 are provided with otch 41, effectively can reduce noise.Understandably, noise reduction flexible pipe 40 can be arranged to circle, and noise reduction flexible pipe 40 is arranged in the various air-ducting ring with the equipment of axial flow blower or diagonal flow fan, can reach the effect reducing noise.
Please refer to Fig. 9, the denoising device that second embodiment of the invention provides is roughly the same with the denoising device that the first embodiment provides, its difference is: described noise reduction flexible pipe 40 comprises the described sound-absorbing peripheral 42 be made up of the first sound-absorbing material and to be wrapped in described sound-absorbing peripheral 42 and soft formation 45 in being made up of the second sound-absorbing material, described interior soft formation 45 is voided layer, preferably, described first sound-absorbing material is softer than described second sound-absorbing material, that is, second sound-absorbing material is harder than the first sound-absorbing material, thus, the interior soft formation 45 that second sound-absorbing material is made can as the support of sound-absorbing periphery 42, further, the described sound-absorbing peripheral 42 of described noise reduction flexible pipe 40 all has predetermined density with described interior soft formation 45, the side portion structure 43 that described noise reduction flexible pipe 40 has by described front panel 10 retrains and forms extruded pipeline section 44, described sound-absorbing peripheral 42 and at least one in described interior both soft formations 45 of described pipeline section 44 are squeezed and density increases, similarly, because the density of pipeline section 44 increases, very large to the airflow-resistive effect flowed through herein, fine to the sound-absorbing effect of noise, turbulent flow can not be produced herein.
Please refer to Figure 10, the denoising device that third embodiment of the invention provides is roughly the same with the denoising device that the first embodiment provides, its difference is: described noise reduction flexible pipe 40 comprises the described sound-absorbing peripheral 42 be made up of the first sound-absorbing material and to be wrapped in described sound-absorbing peripheral 42 and soft formation 45 in being made up of the second sound-absorbing material, described interior soft formation 45 is solid layer, preferably, described first sound-absorbing material is softer than described second sound-absorbing material, that is, second sound-absorbing material is harder than the first sound-absorbing material, thus, the interior soft formation 45 that second sound-absorbing material is made can as the support of sound-absorbing periphery 42, further, the described sound-absorbing peripheral 42 of described noise reduction flexible pipe 40 all has predetermined density with described interior soft formation 45, the side portion structure 43 that described noise reduction flexible pipe 40 has by described front panel 10 retrains and forms extruded pipeline section 44, described sound-absorbing peripheral 42 and at least one in described interior both soft formations 45 of described pipeline section 44 are squeezed and density increases, similarly, because the density of pipeline section 44 increases, very large to the airflow-resistive effect flowed through herein, fine to the sound-absorbing effect of noise, turbulent flow can not be produced herein.
Understandably, for second, third embodiment, between described interior soft formation 45 and described sound-absorbing periphery 42, gap can be had, be more conducive to the compression at pipeline section 44 place, meanwhile, increase the noise reduction path entering interior soft formation 45 through sound-absorbing periphery 42, noise reduction is better.
Above-mentioned denoising device can be applied to air-conditioner outdoor unit, air conditioner room unit, dehumidifier, humidifier, clarifier, new blower fan or other have on the equipment of axial flow blower or diagonal flow fan, above-mentioned noise reduction flexible pipe 40 is installed in the air-ducting ring position of various equipment, to reach the overall noise reduction of various equipment.Be described with air-conditioner outdoor unit and air conditioner room unit below.
Particularly, described air-conditioner outdoor unit comprises the housing (not shown) with described front panel 10, described housing is formed with air inlet (not shown) and described air outlet 11, air channel (not shown) is formed between described air inlet and described air outlet 11, axial flow or diagonal flow fan (not shown) and heat exchanger (not shown) is provided with in described air channel, the air-ducting ring 20 of above-mentioned denoising device is arranged at the inner side of described front panel 10, and described blower fan band moving air flow is by described heat exchanger and by described air-ducting ring 20 discharge.When air-conditioner outdoor unit works, by the most of space outerpace blowing to air-conditioner outdoor unit by air-ducting ring 20 of the air-flow of heat exchanger, but because the flange 21 of air-ducting ring 20 affects, part air-flow has deflected away from air-ducting ring 20 and has blown to and front panel 10 internal face defines backflow and vortex flow, thus increase the noise of air-conditioner outdoor unit inner chamber and the level of noise at air outlet 11 place, the particularly level of noise of on the left of air-conditioner outdoor unit and rear side side, owing to present invention employs noise reduction flexible pipe 40, and noise reduction flexible pipe 40 is arranged in annular groove 22 along air-ducting ring 20, noise reduction flexible pipe 40 has sound-absorbing periphery 42, the stream pressure of fleeing from the flange 21 of air-ducting ring 20 is absorbed by the sound-absorbing peripheral 42 of noise reduction flexible pipe 40, reduce air velocity, air-flow is weakened, effectively reduce backflow and the vortex flow of the formation of air-ducting ring 20 place, greatly reduce the noise of air-conditioner outdoor unit inner chamber, the particularly level of noise of each point from all directions, reach the object reducing air-conditioner outdoor unit noise and improve air-conditioner outdoor unit tonequality and sense of hearing comfortableness.
Particularly, described air conditioner room unit comprises the housing (not shown) with described front panel 10, described housing is formed with air inlet (not shown) and described air outlet 11, air channel (not shown) is formed between described air inlet and described air outlet 11, axial flow or diagonal flow fan (not shown) and heat exchanger (not shown) is provided with in described air channel, the described air-ducting ring 20 of above-mentioned denoising device is arranged at the inner side of described front panel 10, and described blower fan band moving air flow is by described heat exchanger and by described air-ducting ring 20 discharge.Air conditioner room unit, dehumidifier, humidifier, clarifier, the newly working condition of blower fan or other working conditions and air-conditioner outdoor unit with the equipment of axial flow blower or diagonal flow fan are similar, repeat no more.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.

Claims (11)

1. a noise reduction flexible pipe, in order to enclose an air-ducting ring, it is characterized in that: described noise reduction flexible pipe offers an otch and has two free ends in this incision, described noise reduction flexible pipe has the surface of fitting with described air-ducting ring, described noise reduction flexible pipe is close in described air-ducting ring or by described surface and described air-ducting ring and is pasted by being connected to the connecting portion of two described free ends and be fixed in described air-ducting ring, and it is peripheral that described noise reduction flexible pipe has the sound-absorbing be made up of sound-absorbing material.
2. noise reduction flexible pipe as claimed in claim 1, is characterized in that: described noise reduction flexible pipe is solid tubes, and this solid tubes has predetermined density.
3. noise reduction flexible pipe as claimed in claim 1, it is characterized in that: described noise reduction flexible pipe comprise the described sound-absorbing be made up of the first sound-absorbing material peripheral and be wrapped in make in described sound-absorbing periphery and by the second sound-absorbing material in soft formation, described interior soft formation is solid layer or voided layer.
4. noise reduction flexible pipe as claimed in claim 3, is characterized in that: have gap between described interior soft formation and described sound-absorbing periphery.
5. noise reduction flexible pipe as claimed in claim 3, is characterized in that: described first sound-absorbing material is softer than described second sound-absorbing material.
6. the noise reduction flexible pipe as described in any one of claim 1-5, is characterized in that: described noise reduction flexible pipe to be located in described air-ducting ring and to be greater than 180 degree with the center of arc angle that the center of circle of described air-ducting ring is formed and to be less than 360 degree.
7. a denoising device, it comprises front panel, be opened in the air-ducting ring that air outlet on described front panel and correspondence are arranged at described air outlet place, air-flow passes described air-ducting ring and is discharged by described air outlet, the windward side periphery of described air-ducting ring is outwards formed with flange, it is characterized in that: between the flange of described air-ducting ring and described front panel, be formed with annular groove, described denoising device also comprises the noise reduction flexible pipe as described in any one of claim 1-6, and described noise reduction flexible pipe is located in described annular groove along described air-ducting ring.
8. denoising device as claimed in claim 7, it is characterized in that: described noise reduction flexible pipe to embed in described annular groove and fits with the bottom land of this annular groove, and the outside away from described annular groove of described noise reduction flexible pipe has the lateral surface formed by the constraint of the side portion structure of described front panel.
9. denoising device as claimed in claim 7 or 8, it is characterized in that: described front panel is provided with spacer member near described air-ducting ring, the described otch of described noise reduction flexible pipe is between described spacer member and described air-ducting ring and correspond to the close of described spacer member and described air-ducting ring and locate.
10. an air-conditioner outdoor unit, it comprises the housing with described front panel, described housing is formed with air inlet and described air outlet, air channel is formed between described air inlet and described air outlet, axial flow or diagonal flow fan and heat exchanger is provided with in described air channel, it is characterized in that: described air-conditioner outdoor unit also comprises the denoising device as described in any one of claim 7-9, described air-ducting ring is arranged at the inner side of described front panel, and described blower fan band moving air flow is by described heat exchanger and by described air-ducting ring discharge.
11. 1 kinds of air conditioner room units, it comprises the housing with described front panel, described housing is formed with air inlet and described air outlet, air channel is formed between described air inlet and described air outlet, axial flow or diagonal flow fan and heat exchanger is provided with in described air channel, it is characterized in that: described air conditioner room unit also comprises the denoising device as described in any one of claim 7-9, described air-ducting ring is arranged at the inner side of described front panel, and described blower fan band moving air flow is by described heat exchanger and by described air-ducting ring discharge.
CN201410641128.6A 2014-11-13 2014-11-13 Noise reduction hose, noise reduction device, air-conditioner indoor unit and air-conditioner outdoor unit Active CN104359213B (en)

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Cited By (5)

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CN106369787A (en) * 2016-10-25 2017-02-01 广东美的制冷设备有限公司 Air guide assembly for air conditioner outdoor unit and air conditioner outdoor unit
CN106403224A (en) * 2016-11-30 2017-02-15 芜湖美智空调设备有限公司 Air guide ring structure, air conditioner indoor unit and cooking device
CN106403223A (en) * 2016-11-30 2017-02-15 芜湖美智空调设备有限公司 Wind guide ring component, embedded air conditioner indoor unit and embedded air conditioner
CN106885316A (en) * 2017-02-07 2017-06-23 海信(广东)空调有限公司 A kind of air-ducting ring and air-conditioner outdoor unit
WO2018098864A1 (en) * 2016-11-30 2018-06-07 芜湖美智空调设备有限公司 Air guide ring structure, air conditioner indoor unit and air conditioner

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