CN207609623U - Cooking apparatus - Google Patents
Cooking apparatus Download PDFInfo
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- CN207609623U CN207609623U CN201721365038.4U CN201721365038U CN207609623U CN 207609623 U CN207609623 U CN 207609623U CN 201721365038 U CN201721365038 U CN 201721365038U CN 207609623 U CN207609623 U CN 207609623U
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- ventilation duct
- acoustical cotton
- wind turbine
- air inlet
- inlet hole
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Abstract
The utility model proposes a kind of cooking apparatus comprising denoising device, material cleaning device, wherein denoising device is used to carry out noise reduction to wind turbine, and denoising device includes：Ventilation duct, ventilation duct are connected with the air inlet hole of wind turbine；Acoustical cotton is fitted on the inner wall of ventilation duct, and wind enters blower interior through ventilation duct.Acoustical cotton is arranged by the way that ventilation duct is arranged at the air inlet hole of wind turbine in the utility model in ventilation duct, can effectively reduce the noise generated during fan operation, improve user experience.
Description
Technical field
The utility model belongs to kitchen appliance technical field, in particular to a kind of denoising device, material cleaning device
And 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 the technical problems existing 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：Ventilation duct, ventilation duct are connected with the air inlet hole of wind turbine；Acoustical cotton is fitted on the inner wall of ventilation duct, and wind is through logical
Air hose enters blower interior.
Acoustical cotton is arranged by the way that ventilation duct is arranged at the air inlet hole of wind turbine in the utility model in ventilation duct so that
When fan operation, wind energy enough enters blower interior by ventilation duct, due to being bonded acoustical cotton in ventilation duct, utilizes the height of acoustical cotton
Porosity characteristic, when sound wave incident porous sound absorbing cotton surface, the vibration of sound wave can cause the fortune of air in the aperture of acoustical cotton
It is dynamic, the friction of air and hole wall is caused, under the action of friction and viscous force, acoustic energy can be converted into thermal energy, reduce acoustic energy
Energy has the function that noise reduction, and air inducing enters noise caused by wind turbine when thereby reducing fan operation, improves user's body
It tests.Specifically, it is obtained by experiment, the noise that the wind turbine in existing automatic cooker generates during the work time reaches the left sides 81dB
The right side, and by the way that ventilation duct is arranged at the air inlet hole of wind turbine and is bonded silencing cotton in pipe, so that wind turbine is generated during the work time
Noise be reduced to 71dB or so, greatly reduce the noise generated during blower fan work, the user experience is improved.
In addition, the denoising device in above-mentioned technical proposal provided by the utility model can also have following supplementary technology special
Sign：
In the above-mentioned technical solutions, it is preferable that acoustical cotton is circumferentially continuous to be fitted on the inner wall of ventilation duct, acoustical cotton it is interior
Loop diameter is greater than or equal to the race diameter of air inlet hole.
In the technical scheme, acoustical cotton is circumferentially continuous is fitted on the inner wall of ventilation duct so that ventilation duct various places inside
Acoustical cotton is all had, air-flow is can effectively avoid and directly hits the inner wall of ventilation duct and cause larger noise, while acoustical cotton energy
It is enough more to absorb noise caused by air-flow, weaken sound wave, noise reduction is improved, in addition, the inner ring diameter of acoustical cotton is more than
Or the race diameter equal to air inlet hole so that the setting of acoustical cotton will not hinder wind to enter blower interior, will not reduce air inlet
Air inlet flow at hole, it is ensured that the normal operation of wind turbine.
In any of the above-described technical solution, it is preferable that ventilation duct is set on the hole wall of air inlet hole；Or ventilation duct is plugged in
In air inlet hole；Or the end face of ventilation duct and the air intake cover of wind turbine fit.
In the technical scheme, when air inlet hole has to the hole wall of extension on the outside of wind turbine, ventilation duct can be set in air inlet
On the hole wall in hole, it is set in the outer surface of hole wall；Ventilation duct can also be plugged in air inlet hole, be affixed with the inner hole wall of air inlet hole
It closes；Ventilation duct can also fit with the air intake cover of wind turbine, and include air holes, i.e., the end face of the close wind turbine of ventilation duct with
The side of the air intake cover of wind turbine fits.Ventilation duct can be arranged in position as needed, ensure ventilation duct and air inlet
Connectivity between hole ensures the bonding strength of ventilation duct.
In any of the above-described technical solution, it is preferable that the thickness range of acoustical cotton is 2mm to 5mm.
In the technical scheme, it is preferable that by the setting of the thickness of acoustical cotton in 2mm between 5mm, when the thickness of acoustical cotton
When less than 2mm, acoustical cotton is excessively thin, and sound-absorbing effect is poor, when gas shock acoustical cotton, still can transmitting portions sound wave to ventilation duct
Tube wall, and propagate outward, when the thickness of acoustical cotton is more than 5mm, acoustical cotton is blocked up at this time, is bonded not only bad for acoustical cotton
It on the inner wall of ventilation duct, is more easy to that the deformation such as recess occur, keeps the thickness of acoustical cotton everywhere different, influence the sound-absorbing effect of acoustical cotton
In addition fruit also easily influences the amount that air-flow enters air inlet hole, avoids causing wind turbine air inlet not smooth because of the blocking of acoustical cotton.It will inhale
The thickness setting of sound cotton, between 5mm, on the one hand meets the noise reduction demand to wind turbine in 2mm, to reach satisfied noise reduction,
It is another to be conveniently also convenient for being arranged, the entrance of air-flow will not be hindered, the intake of wind turbine is met.
In any of the above-described technical solution, it is preferable that the length range along ventilation duct of acoustical cotton is 15mm to 30mm.
In the technical scheme, the length range along ventilation duct direction of acoustical cotton works as sound-absorbing in 15mm between 30mm
When the length of cotton is less than 15mm, acoustical cotton is too short, and for air-flow under the driving of wind turbine, flow velocity is very fast, and acoustical cotton can not be timely and effective
The energy of sound wave is absorbed, noise reduction is poor, and when the length of acoustical cotton is more than 30mm, the length of acoustical cotton is long, on the one hand needs
Increase the length of ventilation duct, waste material, improve cost, on the other hand long ventilation duct is unfavorable for the wind-guiding into wind turbine, increases
Add the operation power of wind turbine.By being arranged the length range along ventilation duct of acoustical cotton in 15mm to 30mm, suction both ensure that
Sound cotton can absorb the energy of sound wave well, and not interfere with the operation power of wind turbine, ensure the air quantity demand of wind turbine.
In any of the above-described technical solution, it is preferable that the voidage of acoustical cotton is greater than or equal to 50%.
In the technical scheme, the voidage of acoustical cotton is more than or equal to 50%, and then the gap of acoustical cotton is more, Ke Yigeng
The energy of more absorption sound waves, when sound wave incident porous sound absorbing cotton surface, the vibration of sound wave can cause air in aperture
Movement, causes the friction of air and hole wall, under the action of friction and viscous force, can convert acoustic energy to thermal energy, reach drop
The effect made an uproar.
In any of the above-described technical solution, it is preferable that there is ventilation duct necking, ventilation duct to be connected with air inlet hole by necking
It is logical.
In the technical scheme, there is ventilation duct throat structure, ventilation duct to be connected with air inlet hole by necking, Jin Ertong
Air hose except necking partial cross section it is larger, on the one hand convenient additional fitting acoustical cotton, on the other hand larger internal cavities, also side
Just the circulation of air-flow facilitates sound wave multiple reflections in internal cavities, loss of energy to further decrease the air inlet noise of wind turbine,
Improve user experience.
In any of the above-described technical solution, it is preferable that acoustical cotton is fitted on the inner wall of ventilation duct at least one week.
In the technical scheme, acoustical cotton can multi-turn be fitted on the inner wall of ventilation duct, also can only be bonded a circle, can basis
The thickness of acoustical cotton, the caliber of ventilation duct and noise reduction demand are configured, to reach noise reduction.
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 hole；Wind turbine；With the denoising device of any one of such as above-mentioned technical proposal.
In the technical scheme, it is proposed that a kind of material cleaning device is cleaned by the wind that wind turbine is blown out in cleaning box
Material, and pass through the air inlet hole of denoising device connection wind turbine so that during blower fan work, the air-flow of priming can be filled through noise reduction
It after setting noise reduction, is blown into inside wind turbine and cleaning box, thereby reduces the noise that material cleaning device generates in the process of running, carry
High user experience, wherein denoising device part due to the denoising device for any of the above-described technical solution, and then has above-mentioned
The advantageous effect of one technical solution, 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 there is 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 is 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 following accompanying drawings to embodiment
Become apparent and is readily appreciated that, wherein：
Fig. 1 shows the blower fan structure schematic diagram of one embodiment of the utility model；
Fig. 2 shows the blower fan structure schematic diagrames of another embodiment of the utility model；
Fig. 3 shows the denoising device structural schematic diagram of one embodiment of the utility model.
Wherein, the correspondence in Fig. 1 to Fig. 3 between reference numeral and component names is：
12 wind turbines, 122 air inlet holes, 124 exhaust vents, 14 ventilation ducts, 142 neckings, 16 acoustical cottons, 18 air intake covers.
Specific implementation mode
In order to be more clearly understood that the above objects, features, and advantages of the utility model, 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 absence of conflict, this Shen
The feature in embodiment and embodiment please can be combined with each other.
Many details are elaborated in the following description in order to fully understand the utility model, still, this practicality
Novel to be implemented different from other modes described here using other, therefore, the scope of protection of the utility model is simultaneously
It is not limited by following public specific embodiment.
Referring to Fig. 1 to Fig. 3 descriptions according to denoising device, material cleaning device described in the utility model some embodiments
And cooking apparatus.
As shown in Figure 1 to Figure 3, the first aspect embodiment of the utility model proposes a kind of denoising device, for wind
Machine carries out noise reduction, and denoising device includes：Ventilation duct, ventilation duct are connected with the air inlet hole of wind turbine；Acoustical cotton is fitted in ventilation duct
Inner wall on, wind enters blower interior through ventilation duct.
Acoustical cotton is arranged by the way that ventilation duct is arranged at the air inlet hole of wind turbine in the utility model in ventilation duct so that
When fan operation, wind energy enough enters blower interior by ventilation duct, due to being bonded acoustical cotton in ventilation duct, utilizes the height of acoustical cotton
Porosity characteristic, when sound wave incident porous sound absorbing cotton surface, the vibration of sound wave can cause the fortune of air in the aperture of acoustical cotton
It is dynamic, the friction of air and hole wall is caused, under the action of friction and viscous force, acoustic energy can be converted into thermal energy, reduce acoustic energy
Energy has the function that noise reduction, and air inducing enters noise caused by wind turbine when thereby reducing fan operation, improves user's body
It tests.Specifically, it is obtained by experiment, the noise that the wind turbine in existing automatic cooker generates during the work time reaches the left sides 81dB
The right side, and by the way that ventilation duct is arranged at the air inlet hole of wind turbine and is bonded silencing cotton in pipe, so that wind turbine is generated during the work time
Noise be reduced to 71dB or so, greatly reduce the noise generated during blower fan work, the user experience is improved.
In one embodiment of the utility model, it is preferable that as shown in figure 3, acoustical cotton is circumferentially continuous to be fitted in ventilation
On the inner wall of pipe, the inner ring diameter of acoustical cotton is greater than or equal to the race diameter of air inlet hole.
In this embodiment, acoustical cotton is circumferentially continuous is fitted on the inner wall of ventilation duct so that ventilation duct various places inside is equal
With acoustical cotton, it can effectively avoid air-flow and directly hit the inner wall of ventilation duct and cause larger noise, while acoustical cotton can
More absorb air-flow caused by noise, weaken sound wave, improve noise reduction, in addition, the inner ring diameter of acoustical cotton be more than or
Equal to the race diameter of air inlet hole so that the setting of acoustical cotton will not hinder wind to enter blower interior, will not reduce air inlet hole
The air inlet flow at place, it is ensured that the normal operation of wind turbine.
In one embodiment of the utility model, it is preferable that as shown in figure 3, ventilation duct is set in the hole wall of air inlet hole
On；Or ventilation duct is plugged in air inlet hole；Or the end face of ventilation duct and the air intake cover of wind turbine fit.
In this embodiment, when air inlet hole has to the hole wall of extension on the outside of wind turbine, ventilation duct can be set in air inlet hole
Hole wall on, be set in the outer surface of hole wall；Ventilation duct can also be plugged in air inlet hole, be affixed with the inner hole wall of air inlet hole
It closes；Ventilation duct can also fit with the air intake cover of wind turbine, and include air holes, i.e., the end face of the close wind turbine of ventilation duct with
The side of the air intake cover of wind turbine fits.Ventilation duct can be arranged in position as needed, ensure ventilation duct and air inlet
Connectivity between hole ensures the bonding strength of ventilation duct.
In one embodiment of the utility model, it is preferable that the thickness range of acoustical cotton is 2mm to 5mm.
In such an embodiment, it is preferable by the setting of the thickness of acoustical cotton in 2mm between 5mm, when the thickness of acoustical cotton is small
When 2mm, acoustical cotton is excessively thin, and sound-absorbing effect is poor, when gas shock acoustical cotton, still can transmitting portions sound wave to ventilation duct pipe
Wall, and propagate outward, when the thickness of acoustical cotton is more than 5mm, acoustical cotton is blocked up at this time, is fitted in not only bad for acoustical cotton
It on the inner wall of ventilation duct, is more easy to that the deformation such as recess occur, keeps the thickness of acoustical cotton everywhere different, influence the sound-absorbing effect of acoustical cotton
In addition fruit also easily influences the amount that air-flow enters air inlet hole, avoids causing wind turbine air inlet not smooth because of the blocking of acoustical cotton.It will inhale
The thickness setting of sound cotton, between 5mm, on the one hand meets the noise reduction demand to wind turbine in 2mm, to reach satisfied noise reduction,
It is another to be conveniently also convenient for being arranged, the entrance of air-flow will not be hindered, the intake of wind turbine is met.
In one embodiment of the utility model, it is preferable that the length range along ventilation duct of acoustical cotton be 15mm extremely
30mm。
In this embodiment, the length range along ventilation duct direction of acoustical cotton works as acoustical cotton in 15mm between 30mm
Length be less than 15mm when, acoustical cotton is too short, and for air-flow under the driving of wind turbine, flow velocity is very fast, and acoustical cotton timely and effective can not be inhaled
Quiet down the energy of wave, and noise reduction is poor, and when the length of acoustical cotton is more than 30mm, the length of acoustical cotton is long, on the one hand needs to increase
Add the length of ventilation duct, waste material, improve cost, on the other hand long ventilation duct is unfavorable for the wind-guiding into wind turbine, increases
The operation power of wind turbine.By being arranged the length range along ventilation duct of acoustical cotton in 15mm to 30mm, sound-absorbing both ensure that
Cotton can absorb the energy of sound wave well, and not interfere with the operation power of wind turbine, ensure the air quantity demand of wind turbine.
In one embodiment of the utility model, it is preferable that the voidage of acoustical cotton is greater than or equal to 50%.
In this embodiment, the voidage of acoustical cotton is more than or equal to 50%, and then the gap of acoustical cotton is more, can be more
Absorption sound wave energy, when sound wave incident porous sound absorbing cotton surface, the vibration of sound wave can cause the fortune of air in aperture
It is dynamic, the friction of air and hole wall is caused, under the action of friction and viscous force, acoustic energy can be converted to thermal energy, reach noise reduction
Effect.
In one embodiment of the utility model, it is preferable that as shown in figure 3, there is ventilation duct necking, ventilation duct to pass through
Necking is connected with air inlet hole.
In this embodiment, there is ventilation duct throat structure, ventilation duct to be connected with air inlet hole by necking, and then divulge information
Pipe except necking partial cross section it is larger, on the one hand convenient additional fitting acoustical cotton, on the other hand larger internal cavities, are also convenient for
The circulation of air-flow facilitates sound wave multiple reflections in internal cavities, loss of energy to further decrease the air inlet noise of wind turbine, carry
High user experience.
In one embodiment of the utility model, it is preferable that as shown in figure 3, acoustical cotton is fitted in the inner wall of ventilation duct
On at least one week.
In this embodiment, acoustical cotton can multi-turn be fitted on the inner wall of ventilation duct, also can only be bonded a circle, can be according to suction
The thickness of sound cotton, the caliber of ventilation duct and noise reduction demand are configured, to reach noise reduction.
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 hole；Wind turbine；With the denoising device of any one of such as above-described embodiment.
In this embodiment, it is proposed that a kind of material cleaning device cleans the object in cleaning box by the wind that wind turbine is blown out
Material, and pass through the air inlet hole of denoising device connection wind turbine so that during blower fan work, the air-flow of priming can be through denoising device
It after noise reduction, is blown into inside wind turbine and cleaning box, thereby 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 embodiment, and then has any of the above-described reality
The advantageous effect of example is applied, then this is not repeated 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 present invention, term " multiple " then refers to two or more, unless otherwise restricted clearly.Term
The terms such as " installation ", " connected ", " connection ", " fixation " shall be understood in a broad sense, for example, " connection " may be a fixed connection,
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 present invention 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 particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained at least the one of the utility model
In a embodiment or example.In the present specification, schematic expression of the above terms are 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 can be combined in any suitable manner.
The above descriptions are merely preferred embodiments of the present invention, 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 modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (8)
1. a kind of cooking apparatus, which is characterized in that including：
Material cleaning device comprising：
Cleaning box, the cleaning box are equipped with water inlet and air inlet hole；
Wind turbine；With
Denoising device, for carrying out noise reduction to the wind turbine, the denoising device includes：Ventilation duct and acoustical cotton, the ventilation
Pipe is connected with the air inlet hole of the wind turbine, and the acoustical cotton is fitted on the inner wall of the ventilation duct, and wind is through the ventilation duct
Into the blower interior.
2. cooking apparatus according to claim 1, which is characterized in that
The acoustical cotton is circumferentially continuous to be fitted on the inner wall of the ventilation duct, and the inner ring diameter of the acoustical cotton is greater than or equal to
The race diameter of the air inlet hole of the wind turbine.
3. cooking apparatus according to claim 1, which is characterized in that
The ventilation duct is set on the hole wall of the air inlet hole of the wind turbine；Or
The ventilation duct is plugged in the air inlet hole of the wind turbine；Or
The end face of the ventilation duct and the air intake cover of the wind turbine fit.
4. cooking apparatus according to claim 1, which is characterized in that
The thickness range of the acoustical cotton is 2mm to 5mm.
5. cooking apparatus according to claim 1, which is characterized in that
The length range along the ventilation duct of the acoustical cotton is 15mm to 30mm.
6. cooking apparatus according to claim 1, which is characterized in that
The voidage of the acoustical cotton is greater than or equal to 50%.
7. cooking apparatus according to any one of claim 1 to 6, which is characterized in that
There is the ventilation duct necking, the ventilation duct to be connected with the air inlet hole of the wind turbine by the necking.
8. cooking apparatus according to any one of claim 1 to 6, which is characterized in that
The acoustical cotton is fitted on the inner wall of the ventilation duct at least one week.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721365038.4U CN207609623U (en) | 2017-10-23 | 2017-10-23 | Cooking apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721365038.4U CN207609623U (en) | 2017-10-23 | 2017-10-23 | Cooking apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207609623U true CN207609623U (en) | 2018-07-13 |
Family
ID=62793771
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721365038.4U Active CN207609623U (en) | 2017-10-23 | 2017-10-23 | Cooking apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207609623U (en) |
-
2017
- 2017-10-23 CN CN201721365038.4U patent/CN207609623U/en active Active
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