CN207420982U - Denoising device, material cleaning device and cooking apparatus - Google Patents
Denoising device, material cleaning device and cooking apparatus Download PDFInfo
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- CN207420982U CN207420982U CN201721365037.XU CN201721365037U CN207420982U CN 207420982 U CN207420982 U CN 207420982U CN 201721365037 U CN201721365037 U CN 201721365037U CN 207420982 U CN207420982 U CN 207420982U
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Abstract
The utility model proposes a kind of denoising device, a kind of material cleaning device and a kind of cooking apparatus, wherein, denoising device is used to carry out noise reduction to wind turbine, including：Cavity；Blast pipe, blast pipe have the first nozzle, and blast pipe is arranged on one end of cavity and passes through the first nozzle to be connected with cavity；And discharge pipe, discharge pipe have the second nozzle, discharge pipe is arranged on the other end of cavity and passes through the second nozzle to be connected with cavity；Wherein, the area of the vertical cross-section at least the one of the length direction of cavity is respectively greater than the area of the first nozzle and the area of the second nozzle, and blast pipe is used to be connected with the air outlet of wind turbine.By setting denoising device at the air outlet of wind turbine, wind is blown out the utility model through cavity and discharge pipe, and the noise multiple reflections consumption in the cavity for generating wind turbine significantly reduces the noise that wind turbine generates during the work time, improves user experience.
Description
Technical field
The utility model belongs to kitchen appliance technical field, is cleaned in particular to a kind of denoising device, a kind of material
Device and a kind of cooking apparatus.
Background technology
The cooking apparatus such as existing automatic cooker often into traveling rice and wash the functions such as rice with air blower, but air blower is worked
The noise generated in journey is larger, can reach 81dB or so, seriously affect user experience.
Utility model content
The utility model aims to solve the problem that one of technical problem in the prior art.
For this purpose, the first aspect of the utility model proposes a kind of denoising device.
The second aspect of the utility model proposes a kind of material cleaning device.
The third aspect of the utility model proposes a kind of cooking apparatus.
In view of this, the utility model first aspect proposes a kind of denoising device, for carrying out noise reduction, noise reduction to wind turbine
Device includes：Cavity；Blast pipe, blast pipe have the first nozzle, and blast pipe is arranged on one end of cavity and passes through the first nozzle
It is connected with cavity；And discharge pipe, discharge pipe have the second nozzle, discharge pipe is arranged on the other end of cavity and passes through the second pipe
Mouth is connected with cavity；Wherein, the area of the vertical cross-section at least the one of the length direction of cavity is respectively greater than the first nozzle
Area and the second nozzle area, blast pipe with the air outlet of wind turbine for being connected.
The utility model proposes denoising device mainly the blast pipe by cavity and positioned at cavity both sides and discharge pipe form,
Blast pipe, cavity and discharge pipe composition vent passages, blast pipe is connected with the air outlet of wind turbine, from blast pipe direction to
Discharge pipe direction is the length direction of cavity, in the longitudinal direction, cavity at least one at the area of vertical cross-section be more than
The area of first nozzle of blast pipe is also greater than the area of the second nozzle of discharge pipe so that the wind blown out from wind turbine enters air inlet
Guan Hou since the section of vent passages changes, can will be reflected along the acoustic wave segment that ventilation shaft is propagated to direction is expressed support for
Go back, avoid substantial amounts of sound wave direct out boundary propagate and generate a large amount of noises, meanwhile, wind after the first nozzle enters cavity,
Enter the large space of cavity from small space, larger Free up Memory is on the one hand provided for wind, and then alleviate the flow velocity of wind, drop
Low noise, another aspect sound wave being capable of portion's multiple reflections, consumed energies, then enter the small of the second nozzle from large space in the cavity
Space makes acoustic wave segment turn back again, and then significantly reduces the noise that wind turbine generates during the work time, improves user's body
It tests.Specifically, drawn by experiment, the noise that the wind turbine in existing automatic cooker generates during the work time reaches a 81dB left sides
The right side, and by the way that the air outlet of wind turbine is connected with the cavity of the utility model, the noise that wind turbine generates during the work time drops
Down to 78dB to 74dB or so, the noise generated during blower fan work is greatly reduced, improves user experience.
In addition, the denoising device in above-mentioned technical proposal provided by the utility model can also have following supplementary technology spy
Sign：
In the above-mentioned technical solutions, it is preferable that the area of the first nozzle is vertical with any place of the length direction of cavity
The ratio of the area in section is 1/5 to 1/2.
In the technical scheme, cavity is at 2 times to 5 of the area that the area of the vertical cross-section of length direction is the first nozzle
Times, on the one hand so that wind is after the first nozzle enters cavity, it is directly entered in larger space, larger release is provided for wind
Space, and then alleviate the flow velocity of wind, reduces noise, another aspect sound wave can larger space inside cavity it is repeatedly anti-
It penetrates, consumed energy, and then reduces the noise that wind turbine generates during the work time.
In any of the above-described technical solution, it is preferable that the vertical cross-section at any place of the length direction of cavity is oval,
Circular or rectangle.
In the technical scheme, it is preferable that cavity is rounded, oval and rectangle, and circular, ellipse and rectangle are conducive to
The processing and manufacturing of cavity.
Certainly, this programme is not limited thereto, it is to be understood that those skilled in the art are according to the reality for installing cavity
Spatial design is laid out, the vertical cross-section that can correspondingly design any place of the length direction of cavity is triangular in shape, pentagon very
To other irregular pattern shapes, no longer pin this aspect concrete condition enumerates herein, but is not departing from the design design
On the premise of belong to the protection domain of this programme.
In any of the above-described technical solution, it is preferable that blast pipe is coaxially disposed with discharge pipe or different axis is set；And/or into
Air hose and/or discharge pipe insertion inside cavity are connected with the cavity wall of cavity.
In the technical scheme, blast pipe can be coaxially disposed with discharge pipe, blast pipe also can different with discharge pipe axis set, into
Air hose can be inserted separately into inside cavity, and discharge pipe also can be inserted separately into inside cavity or blast pipe and discharge pipe is inserted into chamber simultaneously
Internal portion or blast pipe and discharge pipe are just connected in the cavity wall of cavity.Wherein, when blast pipe and discharge pipe are coaxially disposed,
Wind is facilitated to be blown out after the blowout of the first nozzle with inertia to the second nozzle, and then improves the flow velocity of wind, improves airflow effects；
When blast pipe and the different axis of discharge pipe are set, wind can not directly blow out through the second nozzle after the blowout of the first nozzle, but hit
To the cavity wall of cavity, portion can carry out multiple reflections to sound wave in the cavity, and extend the circulation path of wind, effectively reduce wind
Noise；When blast pipe and/or discharge pipe insertion inside cavity, it can avoid wind is much smoother from being flowed out from cavity so that wind
It is repeatedly blown out in the cavity after refraction by the second nozzle, it is possible to increase the refraction path of sound wave further promotes noise reduction；When into
When air hose and discharge pipe are just connected in the cavity wall of cavity, the first nozzle and the second nozzle are located in the cavity wall of cavity, facilitate drop
It makes an uproar the production and processing of device.Specifically, tests prove that, when blast pipe and discharge pipe are coaxially disposed, noise can be reduced to
78dB, blast pipe and discharge pipe are coaxial and when being inserted into inside cavity, noise can be reduced to 79dB, and blast pipe and discharge pipe are not
During coaxial arrangement, noise can be reduced to 76dB, when blast pipe and discharge pipe are not coaxially disposed and are inserted into inside cavity, noise energy
Enough it is reduced to 74dB.
In any of the above-described technical solution, it is preferable that when blast pipe and discharge pipe are coaxially disposed, and blast pipe and discharge pipe
When being inserted into inside cavity, the ratio of the length of the length and cavity of blast pipe and discharge pipe insertion inside cavity is 1/4 to 1/2.
In the technical scheme, when blast pipe and discharge pipe are coaxially disposed, blast pipe and discharge pipe insertion inside cavity
Length be cavity length 1/4 to 1/2, on the one hand be inserted into inside cavity length it is deeper, the circulation path of sound wave is longer, sound
The reflecting effect of ripple is better, and another convenience effectively reduces generation during blower fan work but also blast pipe and discharge pipe cooperation
Noise, it is ensured that the noise reduction stability of denoising device.
In any of the above-described technical solution, it is preferable that when blast pipe and the different axis of discharge pipe are set, and blast pipe and discharge pipe
When being inserted into inside cavity, the ratio of the length of the length and cavity of blast pipe and discharge pipe insertion inside cavity is 1/3 to 1.
In the technical scheme, when blast pipe and the different axis of discharge pipe are set, blast pipe and discharge pipe insertion inside cavity
Length and cavity length ratio for 1/3 to 1, it is deeper to be on the one hand inserted into the length of inside cavity, the circulation path of sound wave
Longer, the reflecting effect of sound wave is better, the position outflow of first nozzle of the wind through inside cavity, in the cavity portion's multiple reflections,
The position of the second nozzle to be turned back again to inside cavity is flowed, the circulation path of extended wind, reduces the energy of flow of wind, into
And noise caused by wind is reduced, another convenience is but also during blast pipe and discharge pipe cooperation, effectively reduction blower fan work
The noise of generation, it is ensured that the noise reduction stability of denoising device.
In any of the above-described technical solution, it is preferable that blast pipe is identical with the length of discharge pipe insertion inside cavity.
In the technical scheme, the length of blast pipe and discharge pipe insertion inside cavity may be the same or different, can basis
It needs to be inserted into appropriate length, to meet many factors such as using area, processing cost, noise reduction.
In any of the above-described technical solution, it is preferable that when blast pipe and the different axis of discharge pipe are set, and blast pipe and discharge pipe
When being inserted into inside cavity, the ratio of the height of blast pipe and discharge pipe distance in vertical direction and cavity is 2/5 to 3/5.
In the technical scheme, housing depth direction is prolonged by the center line of the center line and exhaust duct that limit blast pipe
Distance and the value range of the ratio of the height of cavity are more than or equal to 2/5 and less than or equal to 3/5, can both avoid blast pipe with going out
The distance between air hose is too small, prevent by blast pipe outflow sound wave cavity is directly discharged by discharge pipe, and avoid blast pipe with
Discharge pipe influences the refraction path in the cavity of sound wave too close to the inner wall of cavity, it is ensured that the noise reduction of denoising device is stablized
Property.
The utility model second aspect proposes a kind of material cleaning device, including：Cleaning box, cleaning box are equipped with water inlet
Mouth and air inlet；Wind turbine；With the denoising device of such as any one of above-mentioned technical proposal, blast pipe is connected with the air outlet of wind turbine
Logical, discharge pipe is connected with air inlet.
In the technical scheme, it is proposed that a kind of material cleaning device, the wind blown out by wind turbine are cleaned in cleaning box
Material, and cleaning box and wind turbine are connected by denoising device so that the wind energy generated during blower fan work is enough through denoising device
It after noise reduction, is blown into inside cleaning box, reduces the noise that material cleaning device generates in the process of running, improve user experience,
Wherein, denoising device part, due to the denoising device for any of the above-described technical solution, and then with any of the above-described technical solution
Advantageous effect, then this does not repeat one by one.
The utility model third aspect proposes a kind of cooking apparatus, including：Such as the material cleaning in above-mentioned technical proposal
Device.
In the technical scheme, due to the material cleaning device in above-mentioned technical proposal, and then with above-mentioned technology
The advantageous effect of material cleaning device in scheme, does not repeat one by one herein.Preferably, cooking apparatus is electric cooker.
The additional aspect and advantage of utility model will be set forth in part in the description, partly will from the following description
Become apparent or recognized by the practice of the utility model.
Description of the drawings
The above-mentioned and/or additional aspect and advantage of the utility model will in the description from combination accompanying drawings below to embodiment
Become apparent and be readily appreciated that, wherein：
Fig. 1 shows the structure diagram of the wind turbine of one embodiment of the utility model；
Fig. 2 shows the structure diagram of the wind turbine of another embodiment of the utility model；
Fig. 3 shows the structure diagram of the denoising device of one embodiment of the utility model；
Fig. 4 shows the schematic cross-sectional view of one embodiment of Fig. 3；
Fig. 5 shows the schematic cross-sectional view of second embodiment of Fig. 3；
Fig. 6 shows the structure diagram of the denoising device of another embodiment of the utility model；
Fig. 7 shows the schematic cross-sectional view of one embodiment of Fig. 6；
Fig. 8 shows the schematic cross-sectional view of second embodiment of Fig. 6.
Wherein, correspondences of the Fig. 1 into Fig. 8 between reference numeral and component names is：
10 cavitys, 12 blast pipes, 122 first nozzles, 14 discharge pipes, 142 second nozzles, 16 wind turbines, 162 air outlets.
Specific embodiment
In order to be more clearly understood that the above-mentioned purpose of the utility model, feature and advantage, below in conjunction with the accompanying drawings and have
The utility model is further described in detail in body embodiment.It should be noted that in the case where there is no conflict, this Shen
The feature in embodiment and embodiment please can be mutually combined.
Many details are elaborated in the following description in order to fully understand the utility model, still, this practicality
New to be implemented using other different from other modes described here, therefore, the scope of protection of the utility model is simultaneously
From the limitation of following public specific embodiment.
Referring to Fig. 1 to Fig. 8 descriptions according to the utility model some embodiments denoising device, material cleaning device
And cooking apparatus.
As shown in Figures 1 to 8, the first aspect embodiment of the utility model proposes a kind of denoising device, for wind
Machine 16 carries out noise reduction, and denoising device includes：Cavity 10；Blast pipe 12, blast pipe 12 have the first nozzle 122, and blast pipe 12 is set
It puts in one end of cavity 10 and passes through the first nozzle 122 and be connected with cavity 10；With discharge pipe 14, discharge pipe 14 has the second pipe
Mouth 142, discharge pipe 14 is arranged on the other end of cavity 10 and passes through the second nozzle 142 to be connected with cavity 10；Wherein, cavity 10
Length direction at least one at the area of vertical cross-section be respectively greater than the area and second nozzle 142 of the first nozzle 122
Area, blast pipe 12 are used to be connected with the air outlet 162 of wind turbine 16.
The utility model proposes the denoising device mainly blast pipe 12 by cavity 10 and positioned at 10 both sides of cavity and outlet air
Pipe 14 forms, and blast pipe 12, cavity 10 and discharge pipe 14 form vent passages, 162 phase of air outlet of blast pipe 12 and wind turbine 16
Connection is the length direction of cavity 10, in the longitudinal direction, cavity from 12 direction of blast pipe to 14 direction of discharge pipe
The area of vertical cross-section is more than second of area also greater than discharge pipe 14 of the first nozzle 122 of blast pipe 12 at least the one of 10
The area of nozzle 142 so that after the wind blown out from wind turbine 16 enters blast pipe 12, since the section of vent passages changes,
The acoustic wave segment propagated along ventilation shaft to direction is expressed support for can be reflected back, substantial amounts of sound wave is avoided to direct out boundary's propagation
And generate a large amount of noises, meanwhile, wind through the first nozzle 122 into the large space for after cavity 10, entering cavity 10 from small space, one
Aspect provides larger Free up Memory for wind, and then alleviates the flow velocity of wind, reduces noise, another aspect sound wave can be in chamber
10 multiple reflection inside of body, consumed energy, then roll over acoustic wave segment again into the small space of the second nozzle 142 from large space
It returns, and then significantly reduces the noise that wind turbine 16 generates during the work time, improve user experience.Specifically, experiment is passed through
It drawing, the noise that the wind turbine 16 in existing automatic cooker generates during the work time reaches 81dB or so, and by by wind turbine
16 air outlet 162 is connected with the cavity 10 of the utility model, and the noise that wind turbine 16 generates during the work time is reduced to
78dB to 74dB or so greatly reduces the noise generated in 16 course of work of wind turbine, improves user experience.
In one embodiment of the utility model, it is preferable that the area of the first nozzle 122 and the length direction of cavity 10
Any place vertical cross-section area ratio be 1/5 to 1/2.
In this embodiment, cavity 10 is at 2 times of the area that the area of the vertical cross-section of length direction is the first nozzle 122
To 5 times, on the one hand so that wind is directly entered from the first nozzle 122 into after cavity 10 in larger space, for wind provide compared with
Big Free up Memory, and then the flow velocity of wind is alleviated, noise is reduced, another aspect sound wave can be in the cavity 10 of larger space
Portion's multiple reflections, consumed energy, and then reduce the noise that wind turbine 16 generates during the work time.
In one embodiment of the utility model, it is preferable that the vertical cross-section at any place of the length direction of cavity 10
Oval, circular or rectangle.
In such an embodiment, it is preferable cavity 10 is rounded, oval and rectangle, circular, ellipse and rectangle are conducive to
The processing and manufacturing of cavity 10.
Certainly, this programme is not limited thereto, it is to be understood that those skilled in the art are according to the reality for installing cavity 10
Border spatial design layout, the vertical cross-section that can correspondingly design any place of the length direction of cavity 10 is triangular in shape, five sides
Shape even other irregular pattern shapes, no longer pin this aspect concrete condition enumerates herein, but is not departing from the design
The protection domain of this programme is belonged on the premise of design.
In one embodiment of the utility model, it is preferable that blast pipe 12 is coaxially disposed with discharge pipe 14 or different axis is set
It puts；And/or blast pipe 12 and/or discharge pipe 14 are inserted into 10 inside of cavity or are connected with the cavity wall of cavity 10.
In this embodiment, blast pipe 12 can be coaxially disposed with discharge pipe 14, and blast pipe 12 also can be with 14 different axis of discharge pipe
It sets, blast pipe 12 can be inserted separately into inside cavity 10, and discharge pipe 14 can be also inserted separately into inside cavity 10 or 12 He of blast pipe
Discharge pipe 14 is inserted into simultaneously inside cavity 10 or blast pipe 12 and discharge pipe 14 are just connected in the cavity wall of cavity 10.Wherein, when
When blast pipe 12 is coaxially disposed with discharge pipe 14, wind is facilitated to be blown after the blowout of the first nozzle 122 with inertia to the second nozzle 142
Go out, and then improve the flow velocity of wind, improve airflow effects；When blast pipe 12 and 14 different axis of discharge pipe are set, wind is through the first pipe
It after 122 blowout of mouth, can not directly blow out, but be hit to the cavity wall of cavity 10 through the second nozzle 142, sound wave is in cavity 10
Portion can carry out multiple reflections, and extend the circulation path of wind, effectively reduce the noise of wind；When blast pipe 12 and/or outlet air
When pipe 14 is inserted into 10 inside of cavity, it can avoid wind is much smoother from being flowed out from cavity 10 so that wind repeatedly reflects in cavity 10
It is blown out afterwards by the second nozzle 142, it is possible to increase the refraction path of sound wave further promotes noise reduction；When blast pipe 12 and outlet air
When pipe 14 is just connected in the cavity wall of cavity 10, the first nozzle 122 and the second nozzle 142 are located in the cavity wall of cavity 10, convenient
The production and processing of denoising device.Specifically, tests prove that, when blast pipe 12 and discharge pipe 14 are coaxially disposed, noise can drop
Down to 78dB, blast pipe 12 and discharge pipe 14 are coaxial and when being inserted into 10 inside of cavity, noise can be reduced to 79dB, blast pipe
12 and discharge pipe 14 when not being coaxially disposed, noise can be reduced to 76dB, and blast pipe 12 and discharge pipe 14 are not coaxially disposed and insert
When entering 10 inside of cavity, noise can be reduced to 74dB.
In one embodiment of the utility model, it is preferable that when blast pipe 12 and discharge pipe 14 are coaxially disposed, and enter the wind
When pipe 12 and discharge pipe 14 are inserted into 10 inside of cavity, length and cavity 10 inside blast pipe 12 and the insertion cavity 10 of discharge pipe 14
Length ratio be 1/4 to 1/2.
In this embodiment, when blast pipe 12 and discharge pipe 14 are coaxially disposed, blast pipe 12 and discharge pipe 14 are inserted into chamber
Length inside body 10 is the 1/4 to 1/2 of 10 length of cavity, and the length being on the one hand inserted into inside cavity 10 is deeper, the stream of sound wave
Path is longer, and the reflecting effect of sound wave is better, and another convenience effectively reduces wind but also blast pipe 12 and discharge pipe 14 coordinate
The noise generated in 16 course of work of machine, it is ensured that the noise reduction stability of denoising device.
In one embodiment of the utility model, it is preferable that when blast pipe 12 and the setting of 14 different axis of discharge pipe, and enter the wind
When pipe 12 and discharge pipe 14 are inserted into 10 inside of cavity, length and cavity 10 inside blast pipe 12 and the insertion cavity 10 of discharge pipe 14
Length ratio be 1/3 to 1.
In this embodiment, when blast pipe 12 and 14 different axis of discharge pipe are set, blast pipe 12 and discharge pipe 14 are inserted into chamber
The ratio of length and the length of cavity 10 inside body 10 is 1/3 to 1, and the length being on the one hand inserted into inside cavity 10 is deeper, sound
The circulation path of ripple is longer, and the reflecting effect of sound wave is better, position outflow of the wind through the first nozzle 122 inside cavity 10,
10 multiple reflection inside of cavity, then the position flowing to the second nozzle 142 inside cavity 10 of turning back, the logical circulation road of extended wind
Footpath reduces the energy of flow of wind, and then reduces noise caused by wind, and another convenience is but also blast pipe 12 and discharge pipe 14
Cooperation effectively reduces the noise generated in 16 course of work of wind turbine, it is ensured that the noise reduction stability of denoising device.
In one embodiment of the utility model, it is preferable that blast pipe 12 and discharge pipe 14 are inserted into inside cavity 10
Length is identical.
In this embodiment, the length that blast pipe 12 and discharge pipe 14 are inserted into inside cavity 10 may be the same or different, can
Appropriate length is inserted into as needed, to meet many factors such as using area, processing cost, noise reduction.
In one embodiment of the utility model, it is preferable that when blast pipe 12 and the setting of 14 different axis of discharge pipe, and enter the wind
When pipe 12 and discharge pipe 14 are inserted into 10 inside of cavity, blast pipe 12 and the distance of discharge pipe 14 in vertical direction and cavity 10
The ratio of height is 2/5 to 3/5.
In this embodiment, 10 short transverse of cavity is prolonged by the center line of the center line and exhaust duct that limit blast pipe 12
The value range of ratio of height of distance and cavity 10 be more than or equal to 2/5 and less than or equal to 3/5, can both avoid blast pipe
12 is too small with the distance between discharge pipe 14, prevents the sound wave spread out of by blast pipe 12 from directly discharging cavity 10 by discharge pipe 14,
Blast pipe 12 and discharge pipe 14 is avoided to influence the refraction path in cavity 10 of sound wave too close to the inner wall of cavity 10 again,
Ensure the noise reduction stability of denoising device.
The utility model second aspect embodiment proposes a kind of material cleaning device, including：Cleaning box is set on cleaning box
There are water inlet and air inlet；Wind turbine 16；With the denoising device of such as any one of above-described embodiment, blast pipe 12 goes out with wind turbine 16
Air port 162 is connected, and discharge pipe 14 is connected with air inlet.
In this embodiment, it is proposed that a kind of material cleaning device, the wind blown out by wind turbine 16 are cleaned in cleaning box
Material, and cleaning box and wind turbine 16 are connected by denoising device so that the wind energy generated in 16 course of work of wind turbine is enough through noise reduction
It after device noise reduction, is blown into inside cleaning box, reduces the noise that material cleaning device generates in the process of running, improve user's body
It tests, wherein, denoising device part, due to the denoising device for any of the above-described embodiment, and then with any of the above-described embodiment
Advantageous effect, then this does not repeat one by one.
The utility model third aspect embodiment proposes a kind of cooking apparatus, including：Such as the material in above-described embodiment
Cleaning device.
In this embodiment, due to the material cleaning device in above-described embodiment, and then in above-described embodiment
Material cleaning device advantageous effect, do not repeat one by one herein.Preferably, cooking apparatus is electric cooker.
In the utility model, term " multiple " then refers to two or more, unless otherwise restricted clearly.Term
The terms such as " installation ", " connected ", " connection ", " fixation " should all be interpreted broadly, for example, " connection " can be fixedly connected,
Can be detachably connected or be integrally connected；" connected " can be directly connected, and can also pass through the indirect phase of intermediary
Even.For the ordinary skill in the art, it can understand above-mentioned term in the utility model as the case may be
Concrete meaning.
In the description of this specification, the description of term " one embodiment ", " some embodiments ", " specific embodiment " etc.
Mean that combining the particular features, structures, materials, or characteristics that the embodiment or example describe is contained at least the one of the utility model
In a embodiment or example.In the present specification, schematic expression of the above terms is not necessarily referring to identical embodiment
Or example.Moreover, the particular features, structures, materials, or characteristics of description can be in any one or more embodiments or example
In combine in an appropriate manner.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modifications, equivalent replacements and improvements are made should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of denoising device, for carrying out noise reduction to wind turbine, which is characterized in that including：
Cavity；
Blast pipe, the blast pipe have the first nozzle, and the blast pipe is arranged on one end of the cavity and passes through described the
One nozzle is connected with the cavity；With
Discharge pipe, the discharge pipe have the second nozzle, and the discharge pipe is arranged on the other end of the cavity and passes through described
Second nozzle is connected with the cavity；
Wherein, the area of the vertical cross-section at least the one of the length direction of the cavity is respectively greater than the face of first nozzle
The area of product and second nozzle, the blast pipe are used to be connected with the air outlet of the wind turbine.
2. denoising device according to claim 1, which is characterized in that
The ratio of the area of first nozzle and the area of the vertical cross-section at any place of the length direction of the cavity is 1/5
To 1/2.
3. denoising device according to claim 1, which is characterized in that
The vertical cross-section at any place of the length direction of the cavity is oval, circular or rectangle.
4. denoising device according to any one of claim 1 to 3, which is characterized in that
The blast pipe is coaxially disposed with the discharge pipe or different axis is set；And/or
The blast pipe and/or the discharge pipe are inserted into the inside cavity or are connected with the cavity wall of the cavity.
5. denoising device according to claim 4, which is characterized in that
When the blast pipe and discharge pipe coaxial arrangement, and the blast pipe and the discharge pipe are inserted into the inside cavity
When, the blast pipe and the discharge pipe be inserted into the ratio of the length of the inside cavity and the length of the cavity for 1/4 to
1/2。
6. denoising device according to claim 4, which is characterized in that
When the blast pipe and the different axis setting of the discharge pipe, and the blast pipe and the discharge pipe are inserted into the inside cavity
When, the blast pipe and the discharge pipe be inserted into the ratio of the length of the inside cavity and the length of the cavity for 1/3 to
1。
7. denoising device according to claim 5 or 6, which is characterized in that
The length that the blast pipe is inserted into the inside cavity with the discharge pipe is identical.
8. denoising device according to claim 4, which is characterized in that
When the blast pipe and the different axis setting of the discharge pipe, and the blast pipe and the discharge pipe are inserted into the inside cavity
When, the blast pipe and the ratio of the distance of the discharge pipe in vertical direction and the height of the cavity are 2/5 to 3/5.
9. a kind of material cleaning device, which is characterized in that including：
Cleaning box, the cleaning box are equipped with water inlet and air inlet；
Wind turbine；With
Such as denoising device described in any item of the claim 1 to 8, the blast pipe is connected with the air outlet of the wind turbine,
The discharge pipe is connected with the air inlet.
10. a kind of cooking apparatus, which is characterized in that including：
Material cleaning device as claimed in claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721365037.XU CN207420982U (en) | 2017-10-23 | 2017-10-23 | Denoising device, material cleaning device and cooking apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721365037.XU CN207420982U (en) | 2017-10-23 | 2017-10-23 | Denoising device, material cleaning device and cooking apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207420982U true CN207420982U (en) | 2018-05-29 |
Family
ID=62312475
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721365037.XU Active CN207420982U (en) | 2017-10-23 | 2017-10-23 | Denoising device, material cleaning device and cooking apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207420982U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110118203A (en) * | 2019-06-25 | 2019-08-13 | 明尼苏达矿业制造特殊材料（上海）有限公司 | A kind of noise reduction components |
-
2017
- 2017-10-23 CN CN201721365037.XU patent/CN207420982U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110118203A (en) * | 2019-06-25 | 2019-08-13 | 明尼苏达矿业制造特殊材料（上海）有限公司 | A kind of noise reduction components |
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