CN204329266U - Air conditioner room unit, off-premises station and air-conditioner denoising device thereof - Google Patents
Air conditioner room unit, off-premises station and air-conditioner denoising device thereof Download PDFInfo
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- CN204329266U CN204329266U CN201420678293.4U CN201420678293U CN204329266U CN 204329266 U CN204329266 U CN 204329266U CN 201420678293 U CN201420678293 U CN 201420678293U CN 204329266 U CN204329266 U CN 204329266U
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Abstract
The utility model provides a kind of air-conditioner denoising device, it comprises front panel, be opened in the air-ducting ring that air outlet on front panel and correspondence are arranged at air outlet place, the windward side periphery of air-ducting ring is outwards formed with flange, groove is formed between flange and front panel, in groove, air-ducting ring is provided with noise reduction part, the windward side of noise reduction part is sound-absorbing face, and noise reduction part has the first side in laminating groove.The stream pressure of fleeing from the flange of air-ducting ring is absorbed by the sound-absorbing face of noise reduction part, reduce air velocity, air-flow is weakened, effectively reduce backflow and the vortex flow of the formation of air-ducting ring place, greatly reduce noise, the particularly level of noise of each point from all directions, reaches the object reducing air-conditioner noise and improve air-conditioner tonequality and sense of hearing comfortableness.The utility model also provides a kind of indoor set and the off-premises station of applying above-mentioned air-conditioner denoising device, and from the overall noise that user can experience, the level of noise of blower fan drops to 47.3 decibels by 48.5 decibels.
Description
Technical field
The utility model belongs to air-conditioning manufacturing technology field, particularly relates to a kind of air conditioner room unit, air-conditioner outdoor unit and air-conditioner denoising device thereof.
Background technology
Air-ducting ring on current air-conditioner 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 axial-flow leaf 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 particularly herein formed can directly transmit toward air-conditioner back and left side through heat exchanger, therefore, the phenomenon that air-conditioner noise is large is finally caused.
Utility model content
The purpose of this utility model is to provide a kind of air-conditioner denoising device, is intended to solve the problem that the air-conditioner noise existed in prior art affects greatly sense of hearing comfortableness.
The utility model realizes like this, a kind of air-conditioner 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, in described annular groove, described air-ducting ring is provided with noise reduction part, the windward side of described noise reduction part is the sound-absorbing face of being made up of sound-absorbing material, described noise reduction part has the first side in the described annular groove of laminating.
Because the utility model have employed noise reduction part, and noise reduction part is arranged in annular groove along air-ducting ring, noise reduction part fits in annular groove, noise reduction part is formed with windward side, and this windward side is sound-absorbing face, the stream pressure of fleeing from the flange of air-ducting ring is absorbed by the sound-absorbing face of noise reduction part, reduce air velocity, air-flow is weakened, effectively reduce backflow and the vortex flow of the formation of air-ducting ring place, greatly reduce the noise of air-conditioner inner chamber, the particularly level of noise of each point from all directions, reach the object reducing air-conditioner noise and improve air-conditioner tonequality and sense of hearing comfortableness.
Further, be formed with adhesive-layer between described first side of described noise reduction part and described annular groove, described noise reduction part is bonding by described adhesive-layer with described annular groove.
Further, described noise reduction part comprises multiple body with two free ends, body described in each is distributed in described annular groove, and body described in each has described first side in the described annular groove of laminating, and the windward side of body described in each is described sound-absorbing face.
Further, be formed with space between adjacent two described bodies, the position corresponding to this space is interference place of the side portion structure of described noise reduction part and described front panel.
Further, body described in each is centrosymmetric setting centered by the center of circle of described air outlet, relative two free ends of body described in each when described noise reduction part is located in described annular groove and the center of arc angle that formed, the center of circle of described air outlet be more than or equal to 15 degree and be less than 180 degree.
Further, the connecting portion that described noise reduction part comprises at least one body with two free ends and is connected jointly to form a complete circle by the free end of body described in each and encloses in described annular groove, body described in each has described first side in the described annular groove of laminating, and the windward side of body described in each is described sound-absorbing face.
Further, described body is one, described connecting portion is one, two free ends that described connecting portion connects described body enclose in described annular groove to form a complete circle, relative two free ends of described body when described noise reduction part is located in described annular groove and the center of arc angle that formed, the center of circle of described air outlet be greater than 180 degree and be less than 360 degree.
Further, described body is multiple, described connecting portion is multiple, connecting portion described in each to be connected between adjacent described body and to be jointly located in described annular groove, relative two free ends of described body when described noise reduction part is located in described annular groove and center of arc's angular region of being formed of the center of circle of described air outlet be 15 degree to 180 degree.
Further, the position corresponding to described connecting portion is interference place of the side portion structure of described noise reduction part and described front panel.
Further, described body also comprises second side relative with described first side, described first side and described second side form the peripheral shape of described body jointly, described first side is arc-shaped, and described second side is the surface formed by the constraint of the side portion structure of described front panel.
Further, the periphery of described body is the sound absorbing layer be made up of the first sound-absorbing material, the middle part of described body is formed with cavity, fills out the sound-absorbing part being provided with and being made up of the second sound-absorbing material or be filled with the stiffener harder than described first sound-absorbing material in the described cavity of described body.
Further, described body comprises the periphery being arranged at this body and the sound absorbing layer be made up of sound-absorbing material and be wrapped in soft formation in described sound absorbing layer, and described interior soft formation is solid layer or voided layer.
Further, gap is had between described interior soft formation and described sound absorbing layer.
Further, described connecting portion comprises pile face and tears off or hook the hooked face closed on described pile face.
Another object of the present utility model 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, blower fan and heat exchanger is provided with in described air channel, described air-conditioner outdoor unit also comprises above-mentioned air-conditioner 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.
An object more of the present utility model 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, blower fan and heat exchanger is provided with in described air channel, described air conditioner room unit also comprises above-mentioned air-conditioner 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.
Above-mentioned air-conditioner outdoor unit and air conditioner room unit apply above-mentioned air-conditioner denoising device, from the overall noise that user can experience, the level of noise of blower fan drops to 47.3dB (A) by 48.5dB (A), the today broken through is difficult at the fan noise of air-conditioner, it has been a very large breakthrough that fan noise value of the present utility model drops to 47.3dB (A) by 48.5dB (A), 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 an angle of the air-conditioner denoising device that the utility model first embodiment provides.
Fig. 2 is the three-dimensional exploded view of the air-conditioner denoising device of Fig. 1.
Fig. 3 is the stereogram of the noise reduction part of the air-conditioner denoising device of Fig. 2.
Fig. 4 is the front view of the noise reduction part of Fig. 3.
Fig. 5 be the noise reduction part of the air-conditioner denoising device that the utility model second embodiment provides face structural representation.
Fig. 6 be the noise reduction part of the air-conditioner denoising device that the utility model the 3rd embodiment provides face structural representation.
Fig. 7 shows the spectrogram of air-conditioner when each operating frequency of blower fan without noise reduction part.
Fig. 8 shows the spectrogram of air-conditioner when each operating frequency of blower fan with noise reduction part.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
Please refer to Fig. 1 to Fig. 2, the air-conditioner denoising device that the utility model embodiment 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 part 30, the windward side of described noise reduction part 30 is the sound-absorbing faces 31 of being made up of sound-absorbing material, described noise reduction part 30 has the first side 32 in the described annular groove 22 of laminating.
When air-conditioner works, by the most of space outerpace blowing to air-conditioner 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 inner chamber and the level of noise at air outlet 11 place, the particularly level of noise of on the left of air-conditioner and rear side side, because the utility model have employed noise reduction part 30, and noise reduction part 30 is arranged in annular groove 22 along air-ducting ring 20, noise reduction part 30 fits in annular groove 22, noise reduction part 30 is formed with windward side, and this windward side is sound-absorbing face 31, the stream pressure of fleeing from the flange 21 of air-ducting ring 20 is absorbed by the sound-absorbing face 31 of noise reduction part 30, 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 inner chamber, the particularly level of noise of each point from all directions, reach the object reducing air-conditioner noise and improve air-conditioner tonequality and sense of hearing comfortableness.
The sound-absorbing material in sound-absorbing face 31 can be the sound-absorbing materials such as acoustical cotton, sponge, cotton wool fabric, glass fibre.
Fit with the groove of described annular groove 22 is interior in first side 32 of described noise reduction part 30, " laminating " mentioned here is meant to be affixed between the first side 32 of noise reduction part 30 and annular groove 22, certainly, can be bonded together between first side 32 of noise reduction part 30 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 the first side 32 of noise reduction part 30 is bonded together with annular groove 22, particularly, adhesive-layer is formed between described first side 32 of described noise reduction part 30 and described annular groove 22, described noise reduction part 30 is bonding by described adhesive-layer with described annular groove 22, by the cementation of adhesive-layer, noise reduction part 30 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. 3 and Fig. 4, the connecting portion 34 that described noise reduction part 30 comprises at least one body 33 with two free ends and is connected by the free end of body described in each 33 jointly to form a complete circle and encloses in described annular groove 22, body 33 described in each has described first side 32 in the described annular groove 22 of laminating, and the windward side of body 33 described in each is described sound-absorbing face 31.Described body 33 in rectangular sheet, and curves through connecting portion 34 and connects into a complete annulus.Described first side 32 refers to the inner ring face of body 33.Absorbed the air-flow at air-ducting ring 20 flange 21 place by the windward side of body 33, the pressure of this air-flow, speed are reduced, weakens, thus reach substantial noise reduction.
The formation overall design philosophy of noise reduction part 30 connects to form annulus by body 33 and connecting portion 34, and specific implementation annulus can adopt the technical scheme in the first embodiment, particularly, described body 33 is one, described connecting portion 34 is one, two free ends that described connecting portion 34 connects described body 33 enclose in described annular groove 22 to form a complete circle, relative two free ends of described body 33 when described noise reduction part 30 is located in described annular groove 22 and the center of arc angle that formed, the center of circle of described air outlet 11 be greater than 180 degree and be less than 360 degree.Bent by the body of a rectangular sheet 33, and connected two free ends of body 33 by connecting portion 34, form a complete annulus to make body 33 and connecting portion 34; Similarly, realize annulus and can adopt technical scheme in the 3rd embodiment, please refer to Fig. 6, particularly, described body 33 is multiple, described connecting portion 34 is multiple, connecting portion 34 described in each is connected between adjacent described body 33 and is also jointly located in described annular groove 22, relative two free ends of described body 33 when described noise reduction part 30 is located in described annular groove 22 and center of arc's angular region of being formed of the center of circle of described air outlet 11 be 15 degree to 180 degree, the center of arc angle that each body 33 is formed can be identical, can be different.Which angle the center of arc angle of each body 33 selects the scope of 15 degree to 180 degree, according to the setting of noise reduction part 30 in annular groove 22, be applicable to the position of putting longer one section of body 33, the center of arc angle of this body 33 is larger, be applicable to the position of putting shorter one section of body 33, the center of arc angle of this body 33 is less, and the quantity of body 33 can be arranged according to actual conditions.
For the noise reduction part 30 with connecting portion 34, described connecting portion 34 comprises pile face (not shown) and tears off or hook the hooked face (not shown) of closing on described pile face.Particularly, for the first embodiment, pile face is connected to one in two free ends of body 33, hooked face be connected in two free ends of body 33 another, the connection of two free ends realizing body 33 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 body 33, when installing noise reduction part 30, body 33 is inserted in annular groove 22 by the side of air-ducting ring 20, then the pile face of connecting portion 34 and hooked face are hooked and close, body 33 is made tightly to fit in annular groove 22, for the 3rd embodiment, the pile face of connecting portion 34 is connected to the free end of one of them body 33, the hooked face of this connecting portion 34 is connected to the opposite free ends of adjacent bodies 33, be connected to make the opposite free ends of adjacent two bodies 33, with this, all bodies 33 are connected in series the complete annulus of formation one by each connecting portion 34.
For the noise reduction part 30 with connecting portion 34, position corresponding to described connecting portion 34 is interference place of the side portion structure of described noise reduction part 30 and described front panel 10, if adopt a complete circle body 33 (namely this body 33 is in closed-loop) to be positioned in annular groove 22, when this enclosed body 33 and the side portion structure of front panel 10 have interference, this enclosed body 33 cannot use, in the utility model, by the place that enclosed body 33 is interferenceed with the side portion structure of front panel 10, substitute with connecting portion 34, the object of noise reduction can be realized equally, and do not need the thorough noise reduction part 30 more renewed.
For the noise reduction part 30 with connecting portion 34, this connecting portion 34 can be specially VELCRO.
The concrete structure of noise reduction part 30 can be the first embodiment structure, also can be the structure of the 3rd embodiment, also can be the structure of the second embodiment, specifically please refer to Fig. 5, described noise reduction part 30 comprises multiple body 33 with two free ends, body 33 described in each is distributed in described annular groove 22, body 33 described in each has described first side 32 in the described annular groove 22 of laminating, and the windward side of body 33 described in each is described sound-absorbing face 31.By each independently body 33 be distributed in annular groove 22, the stream pressure of the flange 21 of fleeing from air-ducting ring 20 is absorbed by the sound absorption of the windward side of each body 33, 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 inner chamber, particularly the level of noise of each point from all directions, reach the object reducing air-conditioner noise and improve air-conditioner tonequality and sense of hearing comfortableness.
Here, the laminating between each body 33 and annular groove 22 can be bonding by tack coat therebetween, understandably, also can obstructed tack coat bonding.
For the second embodiment, space is formed between adjacent two described bodies 33, position corresponding to this space is described noise reduction part 30 and interference place of the side portion structure of described front panel 10, the interference between the side portion structure avoiding noise reduction part 30 and front panel 10.
For the second embodiment, body 33 described in each is centrosymmetric setting centered by the center of circle of described air outlet 11, relative two free ends of body 33 described in each when described noise reduction part 30 is located in described annular groove 22 and the center of arc angle α that formed of the center of circle of described air outlet 11 be more than or equal to 15 degree and be less than 180 degree.The center of arc angle that each body 33 is formed can be identical, can be different.Which angle the center of arc angle of each body 33 selects the scope of 15 degree to 180 degree, according to the setting of noise reduction part 30 in annular groove 22, be applicable to the position of putting longer one section of body 33, the center of arc angle of this body 33 is larger, be applicable to the position of putting shorter one section of body 33, the center of arc angle of this body 33 is less, and the quantity of body 33 can be arranged according to actual conditions.
No matter be first, second embodiment, or the 3rd embodiment, described body 33 also includes second side 35 relative with described first side 32, and this second side 35 is face, outer ring, and described first side 32 and described second side 35 form the peripheral shape of described body 33 jointly.Particularly, described first side 32 is arc-shaped, the surface that described second side 35 is formed for being subject to the constraint of the side portion structure of described front panel 10.
No matter be first, second embodiment, or the 3rd embodiment, for the structure of described body 33 itself, be specifically as follows: the periphery of described body 33 is the sound absorbing layer (not shown) be made up of the first sound-absorbing material, the middle part of described body 33 is formed with cavity (not shown), fills out the sound-absorbing part (not shown) being provided with and being made up of the second sound-absorbing material or be filled with the stiffener (not shown) harder than described first sound-absorbing material in the described cavity of described body 33.Fill out in the cavity of body 33 and be provided with sound-absorbing part, the second sound-absorbing material of sound-absorbing part can be identical with the first sound-absorbing material of sound absorbing layer, also can be different, such as, second sound-absorbing material can be larger than the first sound-absorbing material density, and thus, sound-absorbing part can be larger than the intensity of sound absorbing layer, sound-absorbing part can as the support of sound absorbing layer, equally also serve the effect of sound-absorbing, preferably, between sound-absorbing part and sound absorbing layer, can gap be had, now, sound absorbing layer is a cross section is closed circular layer; In the cavity of body 33, be filled with stiffener, this stiffener plays the effect supporting sound absorbing layer, and this stiffener can be insulating tube, also can be other rubber parts, working of plastics, foam element or sheet metal component etc.
Or, no matter be first, second embodiment, or the 3rd embodiment, for the structure of described body 33 itself, described body 33 comprises the periphery being arranged at this body 33 and the sound absorbing layer (not shown) be made up of sound-absorbing material and be wrapped in soft formation (not shown) in described sound absorbing layer, and described interior soft formation is solid layer or voided layer.Sound absorbing layer is a cross section is closed circular layer, is provided with interior soft formation in this circular layer, facilitates body 33 bending with random shape.Preferably, between described interior soft formation and described sound absorbing layer, have gap, body 33 more arbitrarily, is more easily bent.
Above-mentioned air-conditioner denoising device can be applied on air-conditioner outdoor unit and air conditioner room unit completely, to reach the overall noise reduction to off-premises station and indoor set.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 (not shown), air channel (not shown) is formed between described air inlet and described air outlet 11, blower fan (not shown) and heat exchanger (not shown) is provided with in described air channel, the air-ducting ring 20 of above-mentioned air-conditioner 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.
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 (not shown), air channel (not shown) is formed between described air inlet and described air outlet 11, blower fan (not shown) and heat exchanger (not shown) is provided with in described air channel, the described air-ducting ring 20 of above-mentioned air-conditioner 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.
Please refer to Fig. 7 and Fig. 8, the transverse axis of Fig. 7 and Fig. 8 is each frequency values of blower fan, the longitudinal axis is level of noise, column diagram in figure represents blower fan level of noise corresponding at respective frequencies, no matter be air conditioner room unit, or air-conditioner outdoor unit, after applying above-mentioned air-conditioner denoising device, in general, level of noise under each frequency of blower fan reduces all to some extent, from overall noise, namely from the overall noise that user can experience, the level of noise of blower fan drops to 47.3dB (A) by 48.5dB (A), the today broken through is difficult at the fan noise of air-conditioner, it has been a very large breakthrough that fan noise value of the present utility model drops to 47.3dB (A) by 48.5dB (A), improve the sense of hearing comfortableness of user, also improve the competitiveness of product in market simultaneously.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection domain of the present utility model.
Claims (16)
1. an air-conditioner 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, in described annular groove, described air-ducting ring is provided with noise reduction part, the windward side of described noise reduction part is the sound-absorbing face of being made up of sound-absorbing material, described noise reduction part has the first side in the described annular groove of laminating.
2. air-conditioner denoising device as claimed in claim 1, is characterized in that: be formed with adhesive-layer between described first side of described noise reduction part and described annular groove, and described noise reduction part is bonding by described adhesive-layer with described annular groove.
3. air-conditioner denoising device as claimed in claim 1, it is characterized in that: described noise reduction part comprises multiple body with two free ends, body described in each is distributed in described annular groove, body described in each has described first side in the described annular groove of laminating, and the windward side of body described in each is described sound-absorbing face.
4. air-conditioner denoising device as claimed in claim 3, it is characterized in that: be formed with space between adjacent two described bodies, the position corresponding to this space is interference place of the side portion structure of described noise reduction part and described front panel.
5. air-conditioner denoising device as claimed in claim 3, it is characterized in that: body described in each is centrosymmetric setting centered by the center of circle of described air outlet, relative two free ends of body described in each when described noise reduction part is located in described annular groove and the center of arc angle that formed, the center of circle of described air outlet be more than or equal to 15 degree and be less than 180 degree.
6. air-conditioner denoising device as claimed in claim 1, it is characterized in that: the connecting portion that described noise reduction part comprises at least one body with two free ends and is connected jointly to form a complete circle by the free end of body described in each and encloses in described annular groove, body described in each has described first side in the described annular groove of laminating, and the windward side of body described in each is described sound-absorbing face.
7. air-conditioner denoising device as claimed in claim 6, it is characterized in that: described body is one, described connecting portion is one, two free ends that described connecting portion connects described body enclose in described annular groove to form a complete circle, relative two free ends of described body when described noise reduction part is located in described annular groove and the center of arc angle that formed, the center of circle of described air outlet be greater than 180 degree and be less than 360 degree.
8. air-conditioner denoising device as claimed in claim 6, it is characterized in that: described body is multiple, described connecting portion is multiple, connecting portion described in each to be connected between adjacent described body and to be jointly located in described annular groove, relative two free ends of described body when described noise reduction part is located in described annular groove and center of arc's angular region of being formed of the center of circle of described air outlet be 15 degree to 180 degree.
9. air-conditioner denoising device as claimed in claim 6, is characterized in that: the position corresponding to described connecting portion is interference place of the side portion structure of described noise reduction part and described front panel.
10. the air-conditioner denoising device as described in any one of claim 3-9, it is characterized in that: described body also comprises second side relative with described first side, described first side and described second side form the peripheral shape of described body jointly, described first side is arc-shaped, and described second side is the surface formed by the constraint of the side portion structure of described front panel.
11. air-conditioner denoising devices as described in any one of claim 3-9, it is characterized in that: the periphery of described body is the sound absorbing layer be made up of the first sound-absorbing material, the middle part of described body is formed with cavity, fills out the sound-absorbing part being provided with and being made up of the second sound-absorbing material or be filled with the stiffener harder than described first sound-absorbing material in the described cavity of described body.
12. air-conditioner denoising devices as described in any one of claim 3-9, it is characterized in that: described body comprises the periphery being arranged at this body and the sound absorbing layer be made up of sound-absorbing material and be wrapped in soft formation in described sound absorbing layer, and described interior soft formation is solid layer or voided layer.
13. air-conditioner denoising devices as claimed in claim 12, is characterized in that: have gap between described interior soft formation and described sound absorbing layer.
14. air-conditioner denoising devices as described in any one of claim 6-9, is characterized in that: described connecting portion comprises pile face and tears off or hook the hooked face closed on described pile face.
15. 1 kinds of air-conditioner outdoor 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, blower fan and heat exchanger is provided with in described air channel, it is characterized in that: described air-conditioner outdoor unit also comprises the air-conditioner denoising device as described in any one of claim 1-14, 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.
16. 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, blower fan and heat exchanger is provided with in described air channel, it is characterized in that: described air conditioner room unit also comprises the air-conditioner denoising device as described in any one of claim 1-14, 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420678293.4U CN204329266U (en) | 2014-11-13 | 2014-11-13 | Air conditioner room unit, off-premises station and air-conditioner denoising device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420678293.4U CN204329266U (en) | 2014-11-13 | 2014-11-13 | Air conditioner room unit, off-premises station and air-conditioner denoising device thereof |
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| CN204329266U true CN204329266U (en) | 2015-05-13 |
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| CN201420678293.4U Withdrawn - After Issue CN204329266U (en) | 2014-11-13 | 2014-11-13 | Air conditioner room unit, off-premises station and air-conditioner denoising device thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104359208A (en) * | 2014-11-13 | 2015-02-18 | 广东美的制冷设备有限公司 | Indoor unit of air conditioner, outdoor unit of air conditioner and noise reduction device of air conditioner |
| 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 |
-
2014
- 2014-11-13 CN CN201420678293.4U patent/CN204329266U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104359208A (en) * | 2014-11-13 | 2015-02-18 | 广东美的制冷设备有限公司 | Indoor unit of air conditioner, outdoor unit of air conditioner and noise reduction device of air conditioner |
| CN104359208B (en) * | 2014-11-13 | 2016-12-07 | 广东美的制冷设备有限公司 | Air conditioner room unit, off-premises station and air-conditioner denoising device thereof |
| 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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