CN206496413U - Blowing device - Google Patents
Blowing device Download PDFInfo
- Publication number
- CN206496413U CN206496413U CN201621099093.9U CN201621099093U CN206496413U CN 206496413 U CN206496413 U CN 206496413U CN 201621099093 U CN201621099093 U CN 201621099093U CN 206496413 U CN206496413 U CN 206496413U
- Authority
- CN
- China
- Prior art keywords
- air
- sound
- spongy
- air channel
- spongy layer
- 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.)
- Active
Links
Abstract
The utility model provides a kind of blowing device, including：Air channel housing, air channel housing encloses the path for setting out and being circulated suitable for gas；Composite sound-absorbing part, is arranged on the housing of air channel, and composite sound-absorbing part includes the spongy layer and sound-absorbing ply of paper being connected；The blowing device that this programme is provided, the combining structure of spongy layer and sound-absorbing ply of paper can be beneficial to the optimal flow resistance that control composite sound-absorbing part is maintained at sound absorbing capabilities, avoid that flow resistance is excessive, air vibration is difficult to that incoming or flow resistance is too small, air vibration readily penetrate through caused by sound absorbing capabilities the problem of reduce, the purpose that product runs muting function is improved so as to reach, the usage comfort of product is improved.
Description
Technical field
The utility model is related to air-supply noise reduction field, in particular to a kind of blowing device.
Background technology
Operationally there is the problem of aerodynamic noise is big in the blowing devices such as existing air-conditioning, reduce the comfort level of product, be
This, prior art proposes the settling mode that resistive noise reduction is carried out using silencing cotton, though the program can be realized to a certain extent
The purpose of noise is reduced, but still use comfort requirement of the product in terms of Jing Yin operation can not be reached.
Utility model content
At least one in order to solve the above-mentioned technical problem, the purpose of this utility model is to provide a kind of blowing device.
To achieve the above object, the utility model provides a kind of blowing device, including：Air channel housing, the air channel shell
Body encloses the path for setting out and being circulated suitable for gas；Composite sound-absorbing part, is arranged on the air channel housing, and the composite sound-absorbing part includes
The spongy layer and sound-absorbing ply of paper being connected, when the quantity of the spongy layer is one, the spongy layer of the composite sound-absorbing part
Pass through bonding agent and the air channel case bonding；Or the quantity of the spongy layer for it is multiple when, be located on the composite sound-absorbing part
The outermost spongy layer passes through bonding agent and the air channel case bonding；Wherein, with described in the air channel case bonding
Spongy layer includes：First sponge skeleton, the part of bonding agent is located between the first sponge skeleton and the air channel housing, glues
The other parts for connecing agent are filled in the hole of the first sponge skeleton；Second sponge skeleton, positioned at first spongy bone
One end of the air channel housing is relatively distant from frame, and is integral type structure with the first sponge skeleton.
The blowing device that the utility model is provided, sets composite sound-absorbing part, and set composite sound-absorbing part on the housing of air channel
Including the spongy layer and sound-absorbing ply of paper being connected, the combining structure of spongy layer and sound-absorbing ply of paper can be beneficial to control composite sound-absorbing part and protect
Hold the optimal flow resistance in sound absorbing capabilities, it is to avoid flow resistance is excessive, air vibration is difficult to that incoming or flow resistance is too small, air vibration is easy to
The problem of sound absorbing capabilities caused by penetrating are reduced, the purpose that product runs muting function is improved so as to reach, and improves product
Usage comfort.
In addition, by setting the outermost spongy layer that is located at of composite sound-absorbing part to be bonded in air channel housing by bonding agent
On, relative to using double faced adhesive tape, for the scheme that spongy layer and air channel housing are bonded, connecting portion is anti-in the program
Stripping performance and anti-shear performance are stronger, can prevent composite sound-absorbing part from being come off from air channel housing.
In addition, by setting part Nian Jie with spongy layer in bonding agent to enter the first sea of spongy layer with penetration mode
In continuous skeleton, spongy layer and the shear strength at the case bonding position of air channel so can be further improved, spongy layer is prevented
From air channel, housing comes off, in addition, the second sponge skeleton is not permeated by bonding agent, to ensure that the intraskeletal hole of the second sponge can be supplied
Air circulation, makes sound wave drive intrapore air vibration, promotes Air mycetes and air molecule and wall friction in hole,
Convert acoustic energy into heat energy and realize noise reduction.
In addition, the blowing device in above-described embodiment that the utility model is provided can also have following supplementary technology special
Levy：
In above-mentioned technical proposal, the quantity of the spongy layer is multiple, and at least one pair of in multiple spongy layers is adjacent
Spongy layer between be folded with the sound-absorbing ply of paper.
In this programme, set sound-absorbing ply of paper be folded between adjacent spongy layer, so can using sound-absorbing ply of paper to
The same frequency conducted between adjacent spongy layer vibrates to form filtering, interception, so that the air on the thickness direction of composite sound-absorbing part
The frequency distribution gradient of vibration, reaches the purpose for widening noise reduction frequency range, lifts noise reduction.
In any of the above-described technical scheme, it is preferable that the quantity of the spongy layer is multiple, and in multiple spongy layers
The density of at least two spongy layers is different.
In this programme, the density difference of at least two spongy layers in multiple spongy layers is set, different densities are utilized
The noise reduction frequency range that spongy layer is realized is different, to cause the frequency of the air vibration on the thickness direction of composite sound-absorbing part in gradient
Distribution, reaches the purpose for widening noise reduction frequency range, lifts noise reduction.
In any of the above-described technical scheme, it is preferable that the blowing device also includes：Adhesive linkage, the sound-absorbing ply of paper and institute
Spongy layer is stated to be bonded by the adhesive linkage.
In this programme, sound-absorbing ply of paper and spongy layer is set to be bonded by adhesive linkage, the structure has easy to assembly, process
Simple the characteristics of, the processing efficiency for ensureing product can be beneficial to.
In any of the above-described technical scheme, it is preferable that the adhesive linkage is layers of two-sided.
In any of the above-described technical scheme, it is preferable that the air channel housing includes air-duct spiral case, the composite sound-absorbing part is set
On the inner surface of the air-duct spiral case；And/or the air channel housing includes air-ducting ring, the composite sound-absorbing part is arranged on described
On the windward side of air-ducting ring.
In this programme, air channel housing is set to include air-duct spiral case and/or air-ducting ring, by the way that composite sound-absorbing part is arranged on
On the inner surface of air-duct spiral case and/or the windward side of air-ducting ring, so, air-flow is in the inner surface along air-duct spiral case or air-ducting ring
Windward side can flow through composite sound-absorbing part when flowing, and the acoustic energy in air-flow is dissipated using composite sound-absorbing part and realizes noise reduction.
In any of the above-described technical scheme, it is preferable that the air channel housing includes air-ducting ring and air-duct spiral case, the air-ducting ring
The inner surface of lee face and the air-duct spiral case enclose and set out the path, wherein, the lee face of the air-ducting ring it is concave and
Construct and be provided with the composite sound-absorbing part on resonant cavity of the opening towards the path, the lee face of the air-ducting ring.
In this programme, set the lee face of air-ducting ring concave and construct resonant cavity of the opening towards path, so,
Acoustic wave segment in the air-flow flowed in path can be entered in resonant cavity, and by resonance cavity reflection and friction, so that acoustic energy
It is changed into thermal dissipation, realizes noise reduction, in addition, being provided with composite sound-absorbing part on the lee face of air-ducting ring, can so makes resonance
Intracavitary carries out resistive and resistant noise-reducing simultaneously, improves noise reduction.
In any of the above-described technical scheme, it is preferable that the spongy layer be PE spongy layers, PU spongy layers, EPDM spongy layers,
At least one of EVA spongy layers, LC spongy layers, PVC/NBR spongy layers, glass fibre guard glass fibre cotton and XPE spongy layers.
Alternatively, the blowing device is air conditioner or air purifier.
Additional aspect and advantage of the present utility model will become obvious in following description section, or new by this practicality
The practice of type is recognized.
Brief description of the drawings
Of the present utility model above-mentioned and/or additional aspect and advantage will from description of the accompanying drawings below to embodiment is combined
Become substantially and be readily appreciated that, wherein：
Fig. 1 is the decomposition texture schematic diagram of air conditioner described in the utility model one embodiment；
Fig. 2 is the mplifying structure schematic diagram of A portions shown in Fig. 1；
Fig. 3 is the cross section structure diagram of air conditioner described in the utility model one embodiment；
Fig. 4 is the mplifying structure schematic diagram of B portions shown in Fig. 3；
Fig. 5 is that the decomposition texture of air-duct spiral case described in the utility model one embodiment and composite sound-absorbing part component is illustrated
Figure；
Fig. 6 is the decomposition texture schematic diagram of air-ducting ring described in the utility model one embodiment and composite sound-absorbing part component；
Fig. 7 is that the sectional structure local with composite sound-absorbing part component of air channel shell described in the utility model one embodiment shows
It is intended to.
Wherein, the corresponding relation between references and component names of the Fig. 1 into Fig. 7 is：
10 air-conditioning bodies, 20 air channel housings, 21 air-duct spiral cases, 22 air-ducting rings, 221 resonant cavities, 222 windward sides, 23 rivers in Zhejiang Province
Road, 30 composite sound-absorbing parts, 31 spongy layers, 311 first sponge skeletons, 312 second sponge skeletons, 32 sound-absorbing ply of papers, 50 bonding agents.
Embodiment
In order to be more clearly understood that above-mentioned purpose of the present utility model, feature and advantage, below in conjunction with the accompanying drawings and tool
The utility model is further described in detail body embodiment.It should be noted that in the case where not conflicting, this Shen
The feature in embodiment and embodiment please can be mutually combined.
Many details are elaborated in the following description to fully understand the utility model, still, this practicality
New to be different from other modes described here to implement using other, therefore, protection domain of the present utility model is simultaneously
Do not limited by following public specific embodiment.
The blowing device that the utility model is provided, including air channel housing and composite sound-absorbing part, air channel housing, which encloses to set out, to be suitable to
The path of gas circulation；Composite sound-absorbing part is arranged on the housing of air channel, and composite sound-absorbing part includes the spongy layer and sound-absorbing being connected
Ply of paper.
The blowing device that the utility model is provided, sets composite sound-absorbing part, and set composite sound-absorbing part on the housing of air channel
Including the spongy layer and sound-absorbing ply of paper being connected, the combining structure of spongy layer and sound-absorbing ply of paper can be beneficial to control composite sound-absorbing part and protect
Hold the optimal flow resistance in sound absorbing capabilities, it is to avoid flow resistance is excessive, air vibration is difficult to that incoming or flow resistance is too small, air vibration is easy to
The problem of sound absorbing capabilities caused by penetrating are reduced, the purpose that product runs muting function is improved so as to reach, and improves product
Usage comfort.
More specifically, the blowing device that the utility model is provided can be air conditioner or air purifier, in the utility model
Description in, mainly illustrated so that blowing device is air conditioner as an example, certainly, it will be appreciated by persons skilled in the art that
Citing is not limited described blowing device by more than, its equipment that also air circulations can be driven for other.
Referring to Fig. 1 to Fig. 7 descriptions according to the utility model some embodiments air conditioner.
As shown in Figures 1 to 6, the air conditioner that the present embodiment is provided, including air-conditioning body 10 and air channel housing 20, air channel shell
Body 20 is located in air-conditioning body 10, wherein, the air channel housing 20 of air conditioner includes air-duct spiral case 21, and composite sound-absorbing part 30 is arranged on
On the inner surface of air-duct spiral case 21, and composite sound-absorbing part 30 includes the spongy layer 31 and sound-absorbing ply of paper 32 that are connected, so, gas
Stream can flow through composite sound-absorbing part 30 in the inner surface along air-duct spiral case 21, and the acoustic energy in air-flow is consumed using composite sound-absorbing part 30
Dissipate and realize noise reduction.
Preferably, as shown in figure 5, the shape adaptation of the shape of composite sound-absorbing part 30 and air-duct spiral case 21, and with air channel snail
The inner surface laminating of shell 21 is fixed.
Further, the air channel housing 20 of air conditioner also includes air-ducting ring 22, the lee face and air-duct spiral case of air-ducting ring 22
21 inner surface encloses the path 23 for setting out supplied gas flowing, in addition to another composite sound-absorbing part (not shown), and this is combined
Sound-absorbing part is arranged on the windward side 222 of air-ducting ring 22, and composite sound-absorbing part includes the spongy layer and sound-absorbing ply of paper that are connected, this
Sample, air-flow can flow through the composite sound-absorbing part in air-ducting ring 22 when being flowed along the windward side 222 of air-ducting ring 22, utilize air-ducting ring
Composite sound-absorbing part on 22 dissipates to the acoustic energy in air-flow realizes noise reduction.
In one embodiment of the present utility model, as shown in Figure 4 and Figure 6, the lee face of air-ducting ring 22 is concave and structure
Resonant cavity 221 of the opening towards path 23 is produced, so, the acoustic wave segment in path 23 in the air-flow of flowing can enter resonance
In chamber 221, and reflected and rub by resonant cavity 221, so that acoustic energy is changed into thermal dissipation, realizes noise reduction, in addition, in wind-guiding
Composite sound-absorbing part 30 is provided with the lee face of circle 22, and composite sound-absorbing part 30 includes the spongy layer 31 and sound-absorbing ply of paper that are connected
32, it can so make resonant cavity 221 interior while carrying out resistive and resistant noise-reducing, improve noise reduction.
In one embodiment of the present utility model, the quantity of spongy layer 31 is multiple, and in multiple spongy layers 31 at least
Sound-absorbing ply of paper 32 is folded between a pair of adjacent spongy layers 31.More specifically, as shown in Figure 2, Figure 3 and Figure 4, spongy layer 31
Quantity is 2, and one or more sound-absorbing ply of paper 32 is folded between 2 spongy layers 31, can so utilize sound-absorbing ply of paper 32
The same frequency conducted between 2 spongy layers 31 is vibrated to form filtering, interception, so that in the thickness side along composite sound-absorbing part 30
The vibration frequency distribution gradient of upward air, reaches the purpose for widening noise reduction frequency range, lifts noise reduction.Certainly, this programme
And be not limited to such an embodiment limitation, wherein, may also set up the quantity of spongy layer 31 for 1,3,4,5 it is even more many.
In one embodiment of the present utility model, it is preferable that the quantity of spongy layer 31 is multiple, and multiple spongy layers 31
In at least two spongy layers 31 density it is different, wherein, the noise reduction frequency range realized using the spongy layer 31 of different densities is not
Together, to cause the vibration frequency distribution gradient of the air on the thickness direction of composite sound-absorbing part 30, reach and widen noise reduction frequency range
Purpose, lifted noise reduction.
In one embodiment of the present utility model, it is preferable that blowing device also includes adhesive linkage (not shown), inhale
Sound ply of paper 32 is be bonded by adhesive linkage with spongy layer 31, and the structure has the characteristics of easy to assembly, process is simple, can be beneficial to ensure
The processing efficiency of product.Further, adhesive linkage is layers of two-sided.
In a specific embodiment of the present utility model, the quantity of spongy layer 31 is one, the sea of composite sound-absorbing part 30
Continuous layer 31 is located between its sound-absorbing ply of paper 32 and air channel housing 20, and the spongy layer 31 is glued by bonding agent 50 and air channel housing 20
Connect, by setting sound-absorbing ply of paper 32 to be located at the side on spongy layer 31 in path 23, so exist using sound-absorbing ply of paper 32
The consumption to high frequency sound wave is strengthened on the surface of spongy layer 31, and the middle low-frequency sound wave entered is then consumed by spongy layer 31, with realization pair
Broad-band noise noise reduction, wherein, set the spongy layer 31 of composite sound-absorbing part 30 to be bonded in by bonding agent 50 on air channel housing 20,
Relative to using double faced adhesive tape, for the scheme that spongy layer 31 and air channel housing 20 are bonded, connecting portion is anti-in the program
Stripping performance and anti-shear performance are stronger, can prevent composite sound-absorbing part 30 from being come off from air channel housing 20.
In another specific embodiment of the present utility model, the quantity of spongy layer 31 is multiple, on composite sound-absorbing part 30
It is be bonded with air channel housing 20 by bonding agent 50 positioned at outermost spongy layer 31, more specifically, for example shown in Fig. 7, spongy layer
When 31 quantity is 2, by the sandwiched of sound-absorbing ply of paper 32 therebetween, one in 2 spongy layers 31 by viscous for 2 spongy layers 31
Connect that agent 50 is be bonded with the air channel housing 20, another in 2 spongy layers 31 is tentatively disappeared in path 23 to sound wave
Consumption, the thickness of the spongy layer 31 is unsuitable excessive, is inwardly continuing through after sound-absorbing ply of paper 32 eliminates to high frequency sound wave, using with wind
The spongy layer 31 that road housing 20 is bonded further is eliminated to remaining middle low-frequency sound wave, to realize to broad-band noise noise reduction, its
In, being bonded in positioned at outermost spongy layer 31 by bonding agent 50 on air channel housing 20 for composite sound-absorbing part 30 is set, relatively
In using double faced adhesive tape for the scheme that spongy layer 31 and air channel housing 20 are bonded, the antistripping of connecting portion in the program
Performance and anti-shear performance are stronger, can prevent composite sound-absorbing part 30 from being come off from air channel housing 20.
Further, as shown in fig. 7, the spongy layer 31 Nian Jie with air channel housing 20 includes the first sponge skeleton 311 and the
Two sponge skeletons 312, the part of bonding agent 50 is located between the first sponge skeleton 311 and air channel housing 20, bonding agent 50 its
He is partially fill in the hole of the first sponge skeleton 311；Second sponge skeleton 312 is located at relative on the first sponge skeleton 311
One end away from air channel housing 20, and be integral type structure with the first sponge skeleton 311.
In this programme, part Nian Jie with spongy layer 31 in bonding agent 50 is set to enter spongy layer 31 with penetration mode
The first sponge skeleton 311 in, so can further improve spongy layer 31 with it is anti-shearing at the bonding location of air channel housing 20
Intensity, prevents spongy layer 31 from being come off from air channel housing 20, in addition, the second sponge skeleton 312 is not permeated by bonding agent 50, to ensure
Hole in second sponge skeleton 312 can make sound wave drive intrapore air vibration for air circulation, promote the viscous resistance of air
Power and air molecule and wall friction in hole, convert acoustic energy into heat energy and realize noise reduction.
Alternatively, the spongy layer 31 in any of the above-described embodiment is PE spongy layers, PU spongy layers, EPDM spongy layers, EVA
At least one of spongy layer, LC spongy layers, PVC/NBR sponges, glass fibre guard glass fibre cotton and XPE spongy layers.
In this programme, further preferred spongy layer 31 is density in 0.017g/cm3~0.027g/cm3Within scope
PU sponges (polyurethane sponge) or for density in 0.028g/cm3~0.039g/cm3PE sponges (polyethylene sea within scope
It is continuous) or be density in 0.028g/cm3~0.039g/cm3XPE sponges (crosslinked polyethylene sponge) within scope are density
In 0.037g/cm3~0.045g/cm3LC sponges (general celo density foam difficult to understand) within scope are density in 0.045g/
cm3~0.046g/cm3Glass fibre guard glass fibre cotton within scope, or, it is that density is 0.075g/cm3EPDM sponges (rubber send out
Steep sponge), EVA sponges (ethene sponge), PVC/NBR spongy layers (polyvinyl chloride/nitrile-butadiene rubber sponge).
In summary, the blowing device that the utility model is provided, sets composite sound-absorbing part, and set multiple on the housing of air channel
Close spongy layer and sound-absorbing ply of paper that sound-absorbing part includes being connected, it is compound that the combining structure of spongy layer and sound-absorbing ply of paper can be beneficial to control
Sound-absorbing part is maintained at the optimal flow resistance of sound absorbing capabilities, it is to avoid flow resistance is excessive, air vibration is difficult to that incoming or flow resistance is too small, air
Vibration readily penetrates through the problem of caused sound absorbing capabilities are reduced, and improves the purpose that product runs muting function so as to reach, carries
The usage comfort of high product.
In the utility model, term " first ", " second " are only used for the purpose of description, and it is not intended that indicating or dark
Show relative importance；Term " multiple " then refers to two or more, unless otherwise clear and definite restriction.Term " installation ", " phase
Even ", the term such as " connection ", " fixation " all should be interpreted broadly, for example, " connection " can be fixedly connected or removable
Connection is unloaded, or is integrally connected；" connected " can be joined directly together, and can also be indirectly connected to by intermediary.For ability
For the those of ordinary skill in domain, concrete meaning of the above-mentioned term in the utility model can be understood as the case may be.
In the description of this specification, the description of term " one embodiment ", " some embodiments ", " specific embodiment " etc.
Mean that combining the embodiment or specific features, structure, material or the feature of example description is contained in of the present utility model at least one
In individual embodiment or example.In this manual, identical embodiment is not necessarily referring to the schematic representation of above-mentioned term
Or example.Moreover, specific features, structure, material or the feature of description can be in any one or more embodiments or examples
In combine in an appropriate manner.
Preferred embodiment of the present utility model is these are only, the utility model is not limited to, for this area
Technical staff for, the utility model can have various modifications and variations.It is all it is of the present utility model spirit and principle within,
Any modification, equivalent substitution and improvements made etc., should be included within protection domain of the present utility model.
Claims (9)
1. a kind of blowing device, it is characterised in that including：
Air channel housing, the air channel housing encloses the path for setting out and being circulated suitable for gas；
Composite sound-absorbing part, is arranged on the air channel housing, and the composite sound-absorbing part includes the spongy layer and sound absorbing paper being connected
Layer, when the quantity of the spongy layer is one, the spongy layer of the composite sound-absorbing part passes through bonding agent and the air channel shell
Body is bonded；Or the quantity of the spongy layer for it is multiple when, pass through positioned at the outermost spongy layer on the composite sound-absorbing part
Bonding agent and the air channel case bonding；
Wherein, the spongy layer with the air channel case bonding includes：
First sponge skeleton, the part of bonding agent is located between the first sponge skeleton and the air channel housing, bonding agent
Other parts are filled in the hole of the first sponge skeleton；
Second sponge skeleton, is relatively distant from one end of the air channel housing on the first sponge skeleton, and with described
One sponge skeleton is integral type structure.
2. blowing device according to claim 1, it is characterised in that
Sandwiched has been between at least one pair of adjacent spongy layer to be multiple, and in multiple spongy layers for the quantity of the spongy layer
State sound-absorbing ply of paper.
3. blowing device according to claim 1 or 2, it is characterised in that
The quantity of the spongy layer is multiple, and the density of at least two spongy layers in multiple spongy layers is different.
4. blowing device according to claim 1 or 2, it is characterised in that also include：
Adhesive linkage, the sound-absorbing ply of paper is be bonded by the adhesive linkage with the spongy layer.
5. blowing device according to claim 4, it is characterised in that
The adhesive linkage is layers of two-sided.
6. blowing device according to claim 1 or 2, it is characterised in that
The air channel housing includes air-duct spiral case, and the composite sound-absorbing part is arranged on the inner surface of the air-duct spiral case；And/or
The air channel housing includes air-ducting ring, and the composite sound-absorbing part is arranged on the windward side of the air-ducting ring.
7. blowing device according to claim 1 or 2, it is characterised in that
The air channel housing includes air-ducting ring and air-duct spiral case, and the lee face of the air-ducting ring encloses with the air-duct spiral case sets out institute
Path is stated, wherein, the lee face of the air-ducting ring is concave and constructs resonant cavity of the opening towards the path, the wind-guiding
The composite sound-absorbing part is provided with the lee face of circle.
8. blowing device according to claim 1 or 2, it is characterised in that
The spongy layer is PE spongy layers, PU spongy layers, EPDM spongy layers, EVA spongy layers, LC spongy layers, PVC/NBR sponges
At least one of layer, glass fibre guard glass fibre cotton and XPE spongy layers.
9. blowing device according to claim 1 or 2, it is characterised in that
The blowing device is air conditioner or air purifier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621099093.9U CN206496413U (en) | 2016-09-30 | 2016-09-30 | Blowing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621099093.9U CN206496413U (en) | 2016-09-30 | 2016-09-30 | Blowing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206496413U true CN206496413U (en) | 2017-09-15 |
Family
ID=59799775
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621099093.9U Active CN206496413U (en) | 2016-09-30 | 2016-09-30 | Blowing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206496413U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111989739A (en) * | 2018-04-25 | 2020-11-24 | 三菱电机株式会社 | Housing of electrical equipment, refrigeration cycle device and electrical equipment |
-
2016
- 2016-09-30 CN CN201621099093.9U patent/CN206496413U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111989739A (en) * | 2018-04-25 | 2020-11-24 | 三菱电机株式会社 | Housing of electrical equipment, refrigeration cycle device and electrical equipment |
| EP3786943A4 (en) * | 2018-04-25 | 2021-04-21 | Mitsubishi Electric Corporation | Electrical device casing, refrigeration cycle device, and electrical device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP5934709B2 (en) | Air intake duct | |
| CN102354493B (en) | Controllable underwater acoustic board | |
| CN103738037B (en) | A kind of medium and low frequency acoustical and thermal composite panel | |
| CN207458569U (en) | Sound panel and blimp | |
| CN102543061A (en) | Wide band sound absorption structure of film mechanical impedance combined with micropunched plate acoustic impedance | |
| CN206387042U (en) | A kind of noise-reduction type evaporation air cooler | |
| CN206496413U (en) | Blowing device | |
| BRPI0904623B1 (en) | INSULATION STRUCTURE TO THERMALLY AND ACUSTICALLY INSULATE AN AIRCRAFT, METHOD OF MANUFACTURING AN INSULATION, USE AND AIRCRAFT STRUCTURE | |
| CN202115033U (en) | Sound-proofing nonwoven composite material | |
| CN105275782B (en) | A kind of compressor of air conditioner oise damping means | |
| CN109210757A (en) | A kind of sound-proof material and compressor containing multiple-layer absorbers | |
| CN106653286B (en) | A kind of American Unit Substation noise-reduction case | |
| CN205655414U (en) | Air condition compressor soundproof cotton | |
| CN205617701U (en) | Outer wall body decorative board gives sound insulation | |
| CN206347716U (en) | A kind of fresh air system muffler | |
| CN208241452U (en) | Magneto noise-proofing outer cover | |
| CN212010356U (en) | Composite sound absorption structure | |
| JP4942716B2 (en) | SOUND ABSORBING STRUCTURE, ELECTRIC DEVICE, VACUUM CLEANER, AND PRODUCTION METHOD FOR SOUND ABSORBING STRUCTURE | |
| CN209042723U (en) | A kind of sound-proof material and compressor containing multiple-layer absorbers | |
| CN106524469A (en) | Fresh air system silencer | |
| CN105904803A (en) | Multilayer composite sound-insulating material | |
| CN201804554U (en) | Sound insulating pad and household electrical appliance | |
| CN207526572U (en) | A kind of wind scooper, engine and power-equipment | |
| CN207157117U (en) | Automobile door-plate sound insulating pad | |
| CN207870835U (en) | Air inlet pipe and dust catcher |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |