CN106839572A - Air channel structure and refrigerator - Google Patents
Air channel structure and refrigerator Download PDFInfo
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- CN106839572A CN106839572A CN201710042504.3A CN201710042504A CN106839572A CN 106839572 A CN106839572 A CN 106839572A CN 201710042504 A CN201710042504 A CN 201710042504A CN 106839572 A CN106839572 A CN 106839572A
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- Prior art keywords
- air
- channel structure
- housing
- air channel
- spiral case
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D11/00—Self-contained movable devices, e.g. domestic refrigerators
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
- F25D17/04—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
- F25D17/06—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation
- F25D17/062—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation in household refrigerators
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D2201/00—Insulation
- F25D2201/30—Insulation with respect to sound
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
Abstract
The invention provides a kind of air channel structure and refrigerator.Wherein, air channel structure, for refrigerator, including：Housing；Housing is the cavity of upper end open, and air inlet and air outlet are provided with housing；At least one spiral case, is arranged in housing, and at least one spiral case is connected to form continuous flow path with the inwall of housing；Shunting gusset, is arranged in housing, positioned at the side of at least one spiral case.The continuous flow path that at least one spiral case of the invention is formed with the inwall of housing has the effect of diffusion, reduces the flow losses of air-flow, and then improve air quantity and refrigerating capacity；Further, continuous flow path has the effect of afflux, and then reduces noise；Further, at least one spiral case is arranged in housing so that the distribution of air quantity is more uniform, reduces the loss of air quantity；Further, shunting gusset is set, the flow separation of air-flow is reduced, while the shunting gusset strengthens the steadiness of air channel structure, the vibration of air channel structure is alleviated, is conducive to noise reduction.
Description
Technical field
The present invention relates to household appliance technical field, in particular to a kind of air channel structure and refrigerator.
Background technology
Refrigerator is widely used in the middle of daily life as a kind of cryopreservation equipment, main application therein
It is for preserving food.But in current refrigerator product, noise is excessive always to be one of emphasis that consumer complains.Through studying table
Bright, compressor and fan are the one of the main reasons that refrigerator produces noise, thus the Low Noise Design of fan air channel turns into industry
The emphasis of research, how in the case where performance parameter is not lost, reduces the difficulty that noise is captured as engineer to greatest extent
Point.
Design in correlation technique to refrigerator air duct mainly has following several respects defect：
(1) enter in air channel after air-flow outflow blower fan without diffusion part around blower fan, flow directly into each air outlet, increase
The big flow losses of air-flow, aeroperformance is poor, reduces the air quantity of air outlet, reduces refrigerating capacity；
(2) without afflux runner in air channel, runner flow section area change differs greatly so that local a large amount of rotations occur
The phenomenons such as whirlpool, separation, the separation of flow, increase noise when refrigerator runs, and reduce the performance of product；
(3) designed without noise reduction in air channel so that whole machine running noises are big；
(4) allocation of the amount of air is uneven, causes temperature homogeneity in chamber not good.
The content of the invention
It is contemplated that at least solving one of technical problem present in prior art or correlation technique.
Therefore, it is an object of the present invention to propose a kind of air channel structure.
It is another object of the present invention to propose a kind of refrigerator.
In view of this, an a kind of purpose of the invention, it is proposed that air channel structure, for refrigerator, including：Housing；
Housing is the cavity of upper end open, and air inlet and air outlet are provided with housing；At least one spiral case, is arranged in housing, extremely
A few spiral case is connected to form continuous flow path with the inwall of housing；Shunting gusset, is arranged in housing, positioned at least one snail
The side of shell.
The air channel structure that the present invention is provided includes：Housing, at least one spiral case and shunting gusset.Air-flow is flowed into by air inlet
After air channel structure, the continuous flow path formed along the inwall of at least one spiral case and housing flows, and then flows out wind by air outlet
Road structure.The continuous flow path that at least one spiral case is formed with the inwall of housing has the effect of diffusion, the air-flow that air inlet is flowed into
Speed can be larger, flows through the continuous flow path that area uniformly increases, and reduces turning back for air-flow, reduces the flow losses of air-flow,
So that more energy are converted into dynamic pressure, and then improve air quantity and refrigerating capacity, it is to avoid because speed excessive can cause air-flow
Flow losses are big, and aeroperformance is poor, and the situation for reducing air-out volume occurs；Further, continuous flow path has the effect of afflux,
The frequency of the appearance of phenomenon such as air current flow separation, the separation of flow, vortex is reduced, and then reduces noise, improve making for product
Use performance；Further, at least one spiral case is arranged in housing so that the distribution of air quantity is more uniform, reduces air quantity
Loss；Further, shunting gusset is arranged on the side of at least one spiral case, the flow separation of air-flow is reduced, while this point
Stream gusset strengthens the steadiness of air channel structure, alleviates the vibration of air channel structure, is conducive to noise reduction.Meanwhile, the air channel structure
Compact, component locations are rationally distributed, and high cooling efficiency, effects of energy saving and emission reduction is notable.
According to the above-mentioned air channel structure of the present invention, there can also be following additional technical feature：
In the above-mentioned technical solutions, it is preferable that snail tongue, it is arranged at least one spiral case, snail tongue is shaped form snail tongue.
In the technical scheme, due to the draught fan impeller rough air of refrigerator periodically pulsing speed produced by cycle
Property pulsation aerodynamic force and snail tongue interact and produce noise, and size and the pulsation aerodynamic force of this noise severe degree and snail tongue
Front face area it is relevant, therefore, shaped form snail tongue is arranged on spiral case, reduces the effect of the pneumatic pulsating force of same-phase, is reduced
Noise.Meanwhile, curvilinear structures good fluidity, it is easy and elegant in appearance to be manufactured.
In any of the above-described technical scheme, it is preferable that the cross sectional shape of snail tongue is waveform or stairstepping.
In the technical scheme, due to the draught fan impeller rough air of refrigerator periodically pulsing speed produced by cycle
Property pulsation aerodynamic force and snail tongue interact and produce noise, and size and the pulsation aerodynamic force of this noise severe degree and snail tongue
Front face area it is relevant, therefore, the cross sectional shape of snail tongue is waveform or stairstepping, then the acting surface of the pulsation aerodynamic force of same-phase
Product reduces, and then reduces noise.Meanwhile, the structure is easy to machine-shaping, low production cost.
In any of the above-described technical scheme, it is preferable that sound attenuation hole is provided with least one spiral case, sound attenuation hole is uniformly distributed
On at least one spiral case.
In the technical scheme, air-flow is by after the sound attenuation hole being evenly distributed at least one spiral case, noise attentuation is bright
Aobvious, noise reduction effect is good, significantly reduces noise when refrigerator runs, and improves the performance of product.
In any of the above-described technical scheme, it is preferable that the quantity of at least one spiral case is two；Two spiral cases are located at air intake
The both sides of mouth；Shunting gusset is located between two spiral cases.
In the technical scheme, two spiral cases are located at the both sides of air inlet so that air-flow is along two spiral cases and housing
The continuous flow path that inwall is formed flows out air channel structure after being split into two strands of air-flows from air outlet.The structure causes the distribution of air quantity more
Plus it is uniform, refrigerating efficiency is improve, the loss of air quantity is reduced, reduce energy consumption.Meanwhile, can be according to different air-out topological structures
And different allocation of the amount of air demands, three spiral cases or many volute structures are set.
In any of the above-described technical scheme, it is preferable that be formed with silencing cavity between at least one spiral case and inner walls.
In the technical scheme, silencing cavity is formed between at least one spiral case and inner walls so that airflow passes disappear
During sound chamber, noise shakes decay in silencing cavity, and noise reduction noise reduction effect is obvious, meanwhile, the structure noise reduction function is various, greatly
Noise abatement performance when refrigerator runs is improved, Consumer's Experience is lifted.
In any of the above-described technical scheme, it is preferable that sound-absorbing material is equipped with silencing cavity.
In the technical scheme, sound-absorbing material is equipped with silencing cavity, erasure effect can be effectively improved, two are played to noise
The effect of secondary noise reduction treatment.And the design of the structure facilitates follow-up dismounting and safeguards.
In any of the above-described technical scheme, it is preferable that sound-absorbing material is foamed plastics, industrial felt or foam glass.
In the technical scheme, sound-absorbing material is foamed plastics, industrial felt or foam glass, and acoustically effective is good, and bubble
Foam plastics, industrial felt or foam glass has good water proofing property, it is to avoid tied because sound-absorbing material absorbs water in air channel structure
The phenomenon of ice occurs, and is greatly enhanced noise abatement performance when refrigerator runs.
In any of the above-described technical scheme, it is preferable that housing and at least one spiral case are integral type structure.
In the technical scheme, housing and at least one spiral case are integral type structure so that the compact in design of air channel structure
And it is reliable and stable, the area that takes up room is small, and processing technology is simple, takes few, low production cost.
A kind of another purpose of the invention, it is proposed that refrigerator, including：The wind of blower fan and any of the above-described technical scheme
Road structure, blower fan is arranged in housing, is oppositely arranged with air inlet.
A kind of refrigerator that the present invention is provided includes：The air channel structure of blower fan and any of the above-described technical scheme.Should by using
Air channel structure, reduces the flow losses of air-flow so that more energy are converted into dynamic pressure, and make the distribution of air quantity more equal
It is even, and then improve air quantity and refrigerating capacity, meanwhile, the air channel structure reduces noise, improve product performance and
Consumer's Experience.
In the above-mentioned technical solutions, it is preferable that blower fan is centrifugal blower.
In the technical scheme, blower fan is centrifugal blower, and big with air quantity, noise is low, the advantage that performance is surely put.
Additional aspect of the invention and advantage will become obvious in following description section, or by practice of the invention
Recognize.
Brief description of the drawings
Of the invention above-mentioned and/or additional aspect and advantage will become from description of the accompanying drawings below to embodiment is combined
Substantially and be readily appreciated that, wherein：
Fig. 1 is a structural representation for angle of the air channel structure of one embodiment of the invention；
Fig. 2 is the structural representation of another angle of the air channel structure of one embodiment of the invention；
Fig. 3 is the sectional view of the air channel structure of one embodiment of the invention；
Fig. 4 is the dorsad structural representation of the air channel structure of one embodiment of the invention；
Fig. 5 is the forward structure schematic diagram of the air channel structure of one embodiment of the invention；
Fig. 6 is the dorsad front view of the air channel structure of one embodiment of the invention.
Wherein, the corresponding relation in Fig. 1 to Fig. 6 between reference and component names is：
1 air channel structure, 10 housings, 102 air inlets, 104 air outlets, 20 spiral cases, 30 snail tongues, 40 silencing cavities, 50 shunting muscle
Plate, 2 blower fans.
Specific embodiment
It is below in conjunction with the accompanying drawings and specific real in order to be more clearly understood that the above objects, features and advantages of the present invention
Mode is applied to be further described in detail the present invention.It should be noted that in the case where not conflicting, the implementation of the application
Feature in example and embodiment can be mutually combined.
Many details are elaborated in the following description in order to fully understand the present invention, but, the present invention may be used also
Implemented with being different from other modes described here using other, therefore, protection scope of the present invention is not by described below
Specific embodiment limitation.
Air channel structure 1 described according to some embodiments of the invention and refrigerator are described referring to Fig. 1 to Fig. 6.
As shown in Figures 1 to 6, the embodiment of first aspect present invention proposes a kind of air channel structure 1, for refrigerator, bag
Include：Housing 10；Housing 10 is the cavity of upper end open, and air inlet 102 and air outlet 104 are provided with housing 10；At least one
Spiral case 20, is arranged in housing 10, and at least one spiral case 20 is connected to form continuous flow path with the inwall of housing 10；Shunting gusset
50, it is arranged in housing 10, positioned at the side of at least one spiral case 20.
The air channel structure 1 that the present invention is provided includes：Housing 10, at least one spiral case 20 and shunting gusset 50.Air-flow is by entering
After air port 102 flows into air channel structure 1, the continuous flow path formed with the inwall of housing 10 along at least one spiral case 20 flows, and
Air channel structure 1 is flowed out by air outlet 104 afterwards.The continuous flow path that at least one spiral case 20 is formed with the inwall of housing 10 has diffusion
Effect, air inlet 102 flow into air velocity can it is larger, flow through area uniformly increase continuous flow path, reduce air-flow
Turn back, reduce the flow losses of air-flow so that more energy are converted into dynamic pressure, and then improve air quantity and refrigerating capacity,
Avoid because the excessive flow losses that cause air-flow of speed energy are big, aeroperformance is poor, and the situation for reducing air-out volume occurs；Further
Ground, continuous flow path has the effect of afflux, reduces the frequency of the appearance of phenomenon such as air current flow separation, the separation of flow, vortex, and then
Noise is reduced, the performance of product is improved；Further, at least one spiral case 20 is arranged in housing 10 so that wind
The distribution of amount is more uniform, reduces the loss of air quantity；Further, shunting gusset 50 is arranged on the one of at least one spiral case 20
Side, reduces the flow separation of air-flow, while the shunting gusset 50 strengthens the steadiness of air channel structure 1, alleviates air channel knot
The vibration of structure 1, is conducive to noise reduction.Meanwhile, the air channel structure 1 is compact, and component locations are rationally distributed, and high cooling efficiency, energy-conservation subtracts
Row's effect is significant.
In one embodiment of the invention, it is preferable that as depicted in figs. 1 and 2, snail tongue 30, is arranged at least one snail
On shell 20, snail tongue 30 is shaped form snail tongue 30.
In this embodiment, due to the impeller rough air of blower fan 2 of refrigerator periodically pulsing speed produced by cycle
Property pulsation aerodynamic force and snail tongue 30 interact and produce noise, and this noise severe degree of the size with pulsation aerodynamic force and snail
The front face area of tongue 30 is relevant, therefore, shaped form snail tongue 30 is arranged on spiral case 20, reduces the work of the pneumatic pulsating force of same-phase
With reducing noise.Meanwhile, curvilinear structures good fluidity, it is easy and elegant in appearance to be manufactured.Specifically, can be according to reality
Situation, as desired air quantity arrange the position of snail tongue 30, solving the problems, such as that air volume adjustment is uneven.
In one embodiment of the invention, it is preferable that the cross sectional shape of snail tongue 30 is waveform or stairstepping.
In this embodiment, due to the impeller rough air of blower fan 2 of refrigerator periodically pulsing speed produced by cycle
Property pulsation aerodynamic force and snail tongue 30 interact and produce noise, and this noise severe degree of the size with pulsation aerodynamic force and snail
The front face area of tongue 30 is relevant, therefore, the cross sectional shape of snail tongue 30 is waveform or stairstepping, then the pulsation aerodynamic force of same-phase
Active area reduces, and then reduces noise.Meanwhile, the structure is easy to machine-shaping, low production cost.
In one embodiment of the invention, it is preferable that be provided with sound attenuation hole at least one spiral case 20, sound attenuation hole is uniform
It is distributed at least one spiral case 20.
In this embodiment, air-flow is by after the sound attenuation hole being evenly distributed at least one spiral case 20, noise attentuation is bright
Aobvious, noise reduction effect is good, significantly reduces noise when refrigerator runs, and improves the performance of product.
In one embodiment of the invention, it is preferable that as shown in figures 1 and 3, the quantity of at least one spiral case 20 is two
It is individual；Two spiral cases 20 are located at the both sides of air inlet 102；Shunting gusset 50 is located between two spiral cases 20.
In this embodiment, two spiral cases 20 are positioned at the both sides of air inlet 102 so that air-flow is along two spiral cases 20 and shell
The continuous flow path that the inwall of body 10 is formed flows out air channel structure 1 after being split into two strands of air-flows from air outlet 104.The structure causes wind
The distribution of amount is more uniform, improves refrigerating efficiency, reduces the loss of air quantity, reduces energy consumption.Meanwhile, can be gone out according to difference
Wind topological structure and different allocation of the amount of air demands, set the structure of three spiral cases, 20 or many spiral case 20.
In one embodiment of the invention, it is preferable that as shown in figure 3, at least one spiral case 20 and the inwall of housing 10 it
Between be formed with silencing cavity 40.
In this embodiment, it is formed with silencing cavity 40 between at least one spiral case 20 and the inwall of housing 10 so that air-flow stream
During through silencing cavity 40, noise shakes decay in silencing cavity 40, and noise reduction noise reduction effect is obvious, meanwhile, the structure noise reduction function is more
Sample, is greatly enhanced noise abatement performance when refrigerator runs, and lifts Consumer's Experience.
In one embodiment of the invention, it is preferable that be equipped with sound-absorbing material in silencing cavity 40.
In this embodiment, sound-absorbing material is equipped with silencing cavity 40, erasure effect can be effectively improved, two are played to noise
The effect of secondary noise reduction treatment.And the design of the structure facilitates follow-up dismounting and safeguards.
In one embodiment of the invention, it is preferable that sound-absorbing material is foamed plastics, industrial felt or foam glass.
In this embodiment, sound-absorbing material is foamed plastics, industrial felt or foam glass, and acoustically effective is good, and foam
Plastics, industrial felt or foam glass have good water proofing property, it is to avoid frozen because sound-absorbing material absorbs water in air channel structure 1
Phenomenon occur, be greatly enhanced refrigerator run when noise abatement performance.
In one embodiment of the invention, it is preferable that the spiral case 20 of housing 10 and at least one is integral type structure.
In this embodiment, the spiral case 20 of housing 10 and at least one is integral type structure so that the layout of air channel structure 1 is tight
Gather and reliable and stable, the area that takes up room is small, and processing technology is simple, takes few, low production cost.
In specific embodiment, as shown in figure 1, the connection refrigerating chamber of air outlet 104, and 104 points of air outlet is upper and lower air outlet
104, thus air channel structure 1 is designed as 20 pairs of air exhausting structures of double volute.Specifically, can be set according to actual air-out topological structure
Put the quantity and layout of spiral case 20.
In specific embodiment, as shown in figure 1, in order to ensure that the upper and lower air flow rate of air channel structure 1 is uniformly distributed, therefore utilize
Spiral case 20, the inwall of housing 10 and shunting gusset 50 uniformly separate the air quantity of air outlet 104.Specifically, can be according to reality
Air flow rate demand, sets the angle accounting of spiral case 20, and then distribute air flow rate.
In specific embodiment, as shown in figure 4, being the dorsad structural representation after air channel structure 1 and lid assembling, air outlet
104 are symmetrically distributed on air channel structure 1, accelerate the flowing of air-flow, improve refrigerating efficiency；Further, the air channel structure 1
The loss of air quantity is reduced, the vibration of air channel structure 1 is alleviated, is conducive to noise reduction.
In specific embodiment, as shown in fig. 6, being the dorsad front view of air channel structure 1, air outlet 104 is symmetrically distributed in wind
In road structure 1, the flowing of air-flow is accelerated, improve refrigerating efficiency；Further, the air channel structure 1, reduces the stream of air-flow
Dynamic loss so that more energy are converted into dynamic pressure, and make the distribution of air quantity more uniform, and then improve air quantity and refrigeration energy
Power.
The embodiment of second aspect present invention proposes a kind of refrigerator, including：Described in the embodiment of blower fan 2 and first aspect
Air channel structure 1, blower fan 2 is arranged in housing 10, is oppositely arranged with air inlet 102.
A kind of refrigerator that the present invention is provided includes：Air channel structure 1 described in the embodiment of blower fan 2 and first aspect.Pass through
Using the air channel structure 1, the flow losses of air-flow are reduced so that more energy are converted into dynamic pressure, and make the distribution of air quantity
It is more uniform, and then air quantity and refrigerating capacity are improve, meanwhile, the air channel structure 1 reduces noise, improves the use of product
Performance and Consumer's Experience.
In one embodiment of the invention, it is preferable that blower fan 2 is centrifugal blower 2.
In this embodiment, blower fan 2 is centrifugal blower 2, and big with air quantity, noise is low, the advantage that performance is surely put.
In specific embodiment, as shown in figure 5, being the forward structure schematic diagram after air channel structure 1 and lid assembling, blower fan 2
It is relative with air inlet 102 and set.By using the air channel structure 1, turning back for air-flow is reduced, the flowing for reducing air-flow is damaged
Lose so that more energy are converted into dynamic pressure, and then improve air quantity and refrigerating capacity.Meanwhile, the air channel structure 1 is compact, portion
Rationally, high cooling efficiency, effects of energy saving and emission reduction is notable for part location layout.
In the present invention, term " multiple " then refers to two or more, unless otherwise clearly restriction.Term " peace
The term such as dress ", " connected ", " connection ", " fixation " all should be interpreted broadly, for example, " connection " can be fixedly connected, it is also possible to
It is to be detachably connected, or is integrally connected；" connected " can be joined directly together, it is also possible to be indirectly connected to by intermediary.It is right
For one of ordinary skill in the art, above-mentioned term concrete meaning in the present invention can be as the case may be understood.
In the description of this specification, the description of term " one embodiment ", " some embodiments ", " specific embodiment " etc.
Mean that the specific features, structure, material or the feature that are described with reference to the embodiment or example are contained in of the invention at least one real
In applying example or example.In this manual, the schematic representation to above-mentioned term is not necessarily referring to identical embodiment or reality
Example.And, the specific features of description, structure, material or feature can in one or more any embodiments or example with
Suitable mode is combined.
The preferred embodiments of the present invention are the foregoing is only, is not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.It is all within the spirit and principles in the present invention, made any repair
Change, equivalent, improvement etc., should be included within the scope of the present invention.
Claims (11)
1. a kind of air channel structure, for refrigerator, it is characterised in that including：
Housing；The housing is the cavity of upper end open, and air inlet and air outlet are provided with the housing；
At least one spiral case, is arranged in the housing, and at least one spiral case is connected to be formed with the inwall of the housing
Continuous flow path；
Shunting gusset, is arranged in the housing, positioned at the side of at least one spiral case.
2. air channel structure according to claim 1, it is characterised in that also include：
Snail tongue, is arranged at least one spiral case, and the snail tongue is shaped form snail tongue.
3. air channel structure according to claim 2, it is characterised in that
The cross sectional shape of the snail tongue is waveform or stairstepping.
4. air channel structure according to claim 1, it is characterised in that
Sound attenuation hole is provided with least one spiral case, the sound attenuation hole is evenly distributed at least one spiral case.
5. air channel structure according to any one of claim 1 to 4, it is characterised in that
The quantity of at least one spiral case is two；
Described two spiral cases are located at the both sides of the air inlet；
The shunting gusset is located between described two spiral cases.
6. air channel structure according to any one of claim 1 to 4, it is characterised in that
Silencing cavity is formed between at least one spiral case and the inner walls.
7. air channel structure according to claim 6, it is characterised in that
Sound-absorbing material is equipped with the silencing cavity.
8. air channel structure according to claim 7, it is characterised in that
The sound-absorbing material is foamed plastics, industrial felt or foam glass.
9. air channel structure according to any one of claim 1 to 4, it is characterised in that
The housing and at least one spiral case are integral type structure.
10. a kind of refrigerator, it is characterised in that including：
Blower fan；And
Air channel structure as claimed in any one of claims 1-9 wherein, the blower fan is arranged in the housing, with the air intake
Mouth is oppositely arranged.
11. refrigerators according to claim 9, it is characterised in that
The blower fan is centrifugal blower.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710042504.3A CN106839572A (en) | 2017-01-20 | 2017-01-20 | Air channel structure and refrigerator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710042504.3A CN106839572A (en) | 2017-01-20 | 2017-01-20 | Air channel structure and refrigerator |
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| CN106839572A true CN106839572A (en) | 2017-06-13 |
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| CN201710042504.3A Pending CN106839572A (en) | 2017-01-20 | 2017-01-20 | Air channel structure and refrigerator |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109708385A (en) * | 2018-11-19 | 2019-05-03 | 青岛海尔股份有限公司 | Air duct and its refrigerator |
| CN109708384A (en) * | 2018-11-16 | 2019-05-03 | 青岛海尔股份有限公司 | Air duct board and refrigerator with it |
| CN109744903A (en) * | 2017-12-05 | 2019-05-14 | 九阳股份有限公司 | A kind of food processor that noise reduces |
| CN110513948A (en) * | 2019-09-05 | 2019-11-29 | 广东美的白色家电技术创新中心有限公司 | Air curtain component and refrigeration equipment |
| EP3722711A4 (en) * | 2018-01-09 | 2021-01-20 | Haier Smart Home Co., Ltd. | Air supply assembly, air supply system and refrigerator |
| CN113899066A (en) * | 2021-11-03 | 2022-01-07 | 汉尔姆建筑科技有限公司 | Air duct structure for sound insulation and noise reduction |
| CN114688638A (en) * | 2020-12-25 | 2022-07-01 | 广东美的白色家电技术创新中心有限公司 | Fan structure and air conditioner |
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Application publication date: 20170613 |