CN207962768U - A kind of kitchen ventilator of band active noise reduction function - Google Patents
A kind of kitchen ventilator of band active noise reduction function Download PDFInfo
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- CN207962768U CN207962768U CN201721609065.1U CN201721609065U CN207962768U CN 207962768 U CN207962768 U CN 207962768U CN 201721609065 U CN201721609065 U CN 201721609065U CN 207962768 U CN207962768 U CN 207962768U
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Abstract
A kind of kitchen ventilator of band active noise reduction function, setting smoke machine main body and the active noise-decreasing device for being fixedly installed in smoke machine main body.Active noise-decreasing device is provided with：First noise transducer, loud speaker, the second noise transducer and active noise reduction system.Compared with traditional passive noise reduction mode kitchen ventilator, the sound noise abatement of 500Hz or more higher frequencies can only be but directed to by good seal and material.The kitchen ventilator with active noise reduction function actively generates the reversed sound wave equal with ambient noise by active noise-decreasing device, and noise is neutralized to realize the effect of noise reduction.The oil smoke function of the utility model makes soot particles without exhausting component, the wind wheel in exhausting component even when being applied between increase and also adhere to without oil film, do not have to heavy burden work, thus working with low noise can be kept always.The advantages of kitchen ventilator with active noise reduction function generates the noise of different frequency when can specifically substantially reduce kitchen ventilator work.
Description
Technical field
The utility model is related to kitchen ventilator field, more particularly to a kind of kitchen ventilator of band active noise reduction function.
Background technology
With life, the quickening of work rhythm increasingly so that people are required for more quiet in work, study, rest
Comfortable environment, therefore noise pollution has become the influence main factor of people's quality of life, in noise pollution getting worse
Instantly, the requirement of the noise reduction control for the electric appliance that people only touch surrounding is higher and higher.Kitchen ventilator is now must in family
One of indispensable electric appliance.Kitchen ventilator is mounted on kitchen and inhales above cooking stove, and the oil smoke generated when being cooked for absorbing makes discharge room
Outer reduction Air Pollution in Kitchen.But the because rotation of the wind wheel of kitchen ventilator and to cause the vibrations of smoke machine main body will produce larger
Noise, and when kitchen ventilator uses for a long time, the wind wheel in traditional kitchen ventilator can adhere to thick oil film, and wind wheel is made to bear a heavy burden
Work considerably increases noise when kitchen ventilator work.Traditional noise reduction mode is mainly by good seal and material characteristics
Noise-reducing is isolated to a certain extent, and can only generally be directed to the sound of 500Hz or more higher frequencies.
Therefore, a kind of easy clean curved surface kitchen ventilator is provided in view of the deficiencies of the prior art to solve prior art deficiency very must
It wants.
Utility model content
The utility model aim is to avoid the deficiencies in the prior art place and provide a kind of oil of band active noise reduction function
Smoke machine is very necessary to solve prior art deficiency.When the oil smoke function with active noise reduction function substantially reduces kitchen ventilator work
Generate the noise of different frequency.
The above-mentioned purpose of the utility model is realized by following technological means.
A kind of kitchen ventilator of band active noise reduction function, setting smoke machine main body and the active for being fixedly installed in smoke machine main body are provided
Noise-decreasing device.
Preferably, above-mentioned smoke machine main body is provided with shell；Guiding of the outer surface of the shell as oil smoke moving direction
Face, and non-formation it is provide with region for gather oil smoke.At least it is located at the non-of shell in the presence of an air inlet group and is provide with region position
It sets.
Oil smoke is moved along outer surface of outer cover, and sucks cigarette by least one non-air inlet group for being provide with regional location setting
The air duct of machine body interior.
Further, active noise-decreasing device is provided with the first noise transducer, loud speaker, detection pair of detection noises from noise sources
The second noise transducer and active noise reduction system of noise after amendment, active noise reduction system respectively with the first noise transducer, raise
Sound device and the connection of the second noise transducer electric signal.
First noise transducer, loud speaker and the second noise transducer are respectively defined as at a distance from noise source
LFirst noise transducer、LLoud speaker、LSecond noise transducer；And LSecond noise transducer>L Loud speaker,LSecond noise transducer>LFirst noise transducer, LFirst noise transducer≥0。
Shell is provided with n air inlet group, and each air inlet group is connected to the same end in enclosure air duct respectively, often
A air inlet group is single hole arrangements or porous structure.The central point of each air inlet group is respectively P0、P1、……、Pi、……、
Pn-1；And n >=2,1≤i≤n-1, and i and n are positive integer, with any one in the central point extreme lower position of air inlet group
Central point P0, three-dimensional system of coordinate is established for origin.Passing through P0And in the plane parallel with horizontal plane, with cross P0And it is mutually perpendicular to
Two straight lines be defined as X-axis and Y-axis, P will be passed through0And the straight line to intersect vertically respectively with X-axis and Y-axis is defined as Z axis, P0
The coordinate of three-dimensional system of coordinate is P0(X0,Y0,Z0)=P0(0,0,0)。
Preferably, the central point of above-mentioned n air inlet group is P in the coordinate of 3-D walls and floor0(0,0,0)、P1(X1,Y1,
Z1)、……、Pi(Xi,Yi,Zi)、……、Pn-1 (Xn-1,Yn-1,Zn-1), P0(0,0,0)≠Pi(Xi,Yi,Zi), and PiTo Pn-1In
The Z axis coordinate at least having one is not 0.
Preferably, above-mentioned smoke machine main body is additionally provided with n air intake surface, and n air intake surface is spliced to form the shell, Mei Gejin
There are one corresponding air inlet groups for wind mask.N air intake surface is respectively defined as S0、S1、...、Si、...、Sn-1, n air inlet group
Central point P0、 P1、...、Pi、...、Pn-1, it is located at S0、S1、...、Si、...、Sn-1。
Preferably, above-mentioned air duct is set as windy pipe, is additionally provided with exhausting component, and windy pipe and exhausting component are fixed respectively
It is installed on enclosure.The windy pipe includes cleaning blast pipe and oil smoke blast pipe, cleans blast pipe and exhausting component
Connection that inlet end is seamless, oil smoke blast pipe are connected to the smoke outlet of kitchen ventilator.The air inlet group be provided with for cleaning
The cleaning air inlet group of blast pipe connection and the oil smoke air inlet group for being connected to oil smoke blast pipe.
The shell peak is defined as Pm, coordinate Pm(Xm,Ym,Zm)；It is described cleaning air inlet group central point be
PClean air inlet group, coordinate PClean air inlet group(XClean air inlet group,YClean air inlet group,Z Clean air inlet group), the central point of oil smoke air inlet group is
POil smoke air inlet group, coordinate POil smoke air inlet group(X Oil smoke air inlet group,YOil smoke air inlet group,ZOil smoke air inlet group), 0.5≤ZClean air inlet group/Zm≤ 1,0≤
ZOil smoke air inlet group/Zm≤ 0.5, and ZOil smoke air inlet group＜ ZClean air inlet group。
Preferably, above-mentioned exhausting component is provided with motor, wind wheel and spiral case, and motor is fixedly connected on the top of wind wheel, and
Motor and wind wheel are fixedly connected on the inside of spiral case, and spiral case is fixedly installed in enclosure, and the inlet end of spiral case and clean into
Connection that air hose is seamless.
Preferably, above-mentioned first noise transducer is installed on the outer surface of motor.
Further, loud speaker and error passback device sonic transducer are individually fixed in oil smoke air inlet group and oil smoke blast pipe
Junction；Or
Loud speaker and error passback device sonic transducer are individually fixed in cleaning air inlet group and clean the junction of blast pipe；
Or
Loud speaker and error passback device sonic transducer are individually fixed in and the inlet end of spiral case；Or
Loud speaker and error passback device sonic transducer are individually fixed in smoke outlet；Or
Loud speaker and error passback device sonic transducer are individually fixed in the inner surface of spiral case.
It is additionally provided with passive noise-decreasing device, passive noise-decreasing device is fixedly installed in smoke machine main body.
Preferably, above-mentioned passive noise-decreasing device be noise attenuation material, the noise attenuation material be filled in respectively exhausting component internal,
It is attached at least one of spiral case outer surface or the inner surface of outer cover being attached to；Or
The passive noise-decreasing device is noise-decreasing device, and noise-decreasing device is fixedly installed in the inlet end and cleaning blast pipe of spiral case
Junction at least one.
Preferably, above-mentioned shell is sphere either spheroid or cone or part sphere.
A kind of kitchen ventilator of band active noise reduction function of the utility model is arranged smoke machine main body and is fixedly installed in smoke machine master
The active noise-decreasing device of body.Active noise-decreasing device is provided with：First noise transducer, loud speaker, the second noise transducer and master
Dynamic noise reduction system.Compared with the kitchen ventilator of traditional passive noise reduction mode, traditional passive noise reduction mode can only be leaned on good close
Closing property and material can only but be directed to the sound noise abatement of 500Hz or more higher frequencies.The kitchen ventilator with active noise reduction function is logical
It crosses active noise-decreasing device and actively generates the reversed sound wave equal with ambient noise, noise is neutralized to realize the effect of noise reduction.
The oil smoke function of the utility model makes soot particles without exhausting component, the wind wheel in exhausting component even when being applied between increase
Also adhere to without oil film, do not have to heavy burden work, thus working with low noise can be kept always.The oil smoke equipment with active noise reduction function
The advantages of physical efficiency generates the noise of different frequency when substantially reducing kitchen ventilator work.
Description of the drawings
The utility model is further described using attached drawing, but the content in attached drawing is not constituted to the utility model
Any restrictions.
Fig. 1 is that a kind of kitchen ventilator of the band active noise reduction function of the utility model actively subtracts device apparatus structure schematic diagram.
Fig. 2 is a kind of structural schematic diagram of the embodiment 1 of the kitchen ventilator of band active noise reduction function of the utility model.
Fig. 3 is a kind of structural schematic diagram of the embodiment 2 of the kitchen ventilator of band active noise reduction function of the utility model.
Fig. 4 is a kind of structural schematic diagram of the embodiment 3 of the kitchen ventilator of band active noise reduction function of the utility model.
Fig. 5 is a kind of structural schematic diagram of the embodiment 4 of the kitchen ventilator of band active noise reduction function of the utility model.
Fig. 6 is a kind of structural schematic diagram of the embodiment 5 of the kitchen ventilator of band active noise reduction function of the utility model.
In Fig. 1 to 6, include：
Smoke machine main body 100,
Shell 110, cleaning air inlet group 111, oil smoke air inlet group 112,
Exhausting component 120, spiral case 121, wind wheel 122, motor 123,
Air hose 130, cleaning blast pipe 131, oil smoke blast pipe 132,
Smoke outlet 140,
Active noise-decreasing device 200,
First noise transducer 210, loud speaker 220, the second noise transducer 230, active noise reduction system 240 and passively subtract
It makes an uproar device 300.
Specific implementation mode
The utility model is further described with the following Examples.
Embodiment 1.
A kind of kitchen ventilator of band active noise reduction function is arranged smoke machine main body 100 and is fixedly installed in as depicted in figs. 1 and 2
The active noise-decreasing device 200 of smoke machine main body 100.
Active noise-decreasing device 200 is provided with the first noise transducer 210, loud speaker, detection pair of detection noises from noise sources
The second noise transducer 230 and active noise reduction system 240 of noise after amendment, active noise reduction system 240 respectively with the first noise
Sensor 210, loud speaker and the connection of 230 electric signal of the second noise transducer.
First noise transducer 210 is used for the wave frequency in acquisition noise source and transmits signal to active noise reduction system 240240.
Loud speaker, signal and generation for receiving active noise reduction system 240 are with noise source in the reversed sound wave of degree.
Active noise reduction system 240 is corrected in second noise transducer 230, the performance for detecting active noise reduction system 240
Algorithm carries out signal feedback to active noise reduction system 240.
Active noise reduction system 240, the wave frequency of the noise source for receiving the transmission of the first noise transducer 210 and reception second
The signal of noise transducer 230 carries out operation and carries out signal output to loud speaker.
First noise transducer 210, loud speaker and the second noise transducer 230 are respectively defined as at a distance from noise source
LFirst noise transducer 210、LLoud speaker、LSecond noise transducer 230；And LSecond noise transducer 230>LLoud speaker,LSecond noise transducer 230>LFirst noise transducer 210, LFirst noise transducer 210
≥0。
Smoke machine main body 100 is provided with shell 110.Guide surface of the outer surface of shell 110 as oil smoke moving direction, rather than
It is formed and is provide with region for gather oil smoke.At least it is located at the non-of shell 110 in the presence of an air inlet group and is provide with regional location.Oil
Cigarette is moved along 110 outer surface of shell, and sucks smoke machine main body by least one non-air inlet group for being provide with regional location setting
Air duct inside 100.110 shape of shell of the utility model can be sphere.
Shell 110 is provided with n air inlet group, each air inlet group same end with 110 inside air duct of shell respectively
Connection, each air inlet group are single hole arrangements or porous structure.The central point of each air inlet group is respectively P0、P1、……、
Pi、……、Pn-1；And n >=2,1≤i≤n-1, and i and n are positive integer, in the central point extreme lower position of air inlet group
Any one central point P0, three-dimensional system of coordinate is established for origin.Passing through P0And in the plane parallel with horizontal plane, with cross P0And
Orthogonal two straight lines are defined as X-axis and Y-axis, will pass through P0And the straight line definition to intersect vertically respectively with X-axis and Y-axis
For Z axis, P0It is P in the coordinate of three-dimensional system of coordinate0(X0,Y0,Z0)=P0(0,0,0)。
The central point of n air inlet group is P in the coordinate of 3-D walls and floor0(0,0,0)、 P1(X1,Y1,Z1)、……、Pi
(Xi,Yi,Zi)、……、Pn-1(Xn-1,Yn-1,Zn-1), P0(0,0,0) ≠Pi(Xi,Yi,Zi), and PiTo Pn-1In at least exist one
A Z axis coordinate is not 0.Smoke machine main body 100 is additionally provided with n air intake surface, and n air intake surface is spliced to form the shell 110,
There are one corresponding air inlet groups for each air intake surface tool.N air intake surface is respectively defined as S0、S1、...、Si、...、Sn-1, n into
The central point P of air port group0、P1、...、 Pi、...、Pn-1, it is located at S0、S1、...、Si、...、Sn-1。
Air duct is set as windy pipe 130, is additionally provided with exhausting component 120, and windy pipe 130 and exhausting component 120 are solid respectively
Dingan County is loaded on inside shell 110.Windy pipe 130 includes cleaning blast pipe 131 and oil smoke blast pipe 132, cleans blast pipe 131
With the inlet end of exhausting component 120 is seamless is connected to, oil smoke blast pipe 132 is connected to the smoke outlet 140 of kitchen ventilator.Air inlet
Group is provided with the cleaning air inlet group 111 for being connected to cleaning blast pipe 131 and the oil for being connected to oil smoke blast pipe 132
Cigarette air inlet group 112.
110 peak of shell is defined as Pm, coordinate Pm(Xm,Ym,Zm)；The central point of the cleaning air inlet group 111
For PClean air inlet group 111, coordinate PClean air inlet group 111(XClean air inlet group 111,Y Clean air inlet group 111,ZClean air inlet group 111), oil smoke air inlet group 112
Central point is POil smoke air inlet group 112, coordinate POil smoke air inlet group 112(XOil smoke air inlet group 112,YOil smoke air inlet group 112,ZOil smoke air inlet group 112), 0.5≤
ZClean air inlet group 111/Zm≤ 1,0≤ZOil smoke air inlet group 112/Zm≤ 0.5, and ZOil smoke air inlet group 112＜ ZClean air inlet group 111。
Exhausting component 120 is provided with motor 123, wind wheel 122 and spiral case 121, and motor 123 is fixedly connected on wind wheel 122
Top, and motor 123 and wind wheel 122 are fixedly connected on the inside of spiral case 121, spiral case 121 is fixedly installed in inside shell 110,
And blast pipe 131 is seamless is connected to cleaning for the inlet end of spiral case 121.
First noise transducer 210 of the present embodiment is installed on the outer surface of motor 123, and loud speaker and error return device sound
Sensor is individually fixed in the inner surface of spiral case 121.
200 operation principle of active noise-decreasing device of the utility model is as follows：First noise transducer 210 acquires noise, main
There are microprocessor, the wave frequency of the collected noise sound wave of microprocessor real-time operation, to loud speaker in dynamic noise reduction system 240
220 signals export loud speaker, and loud speaker 220 is made to generate and in the reversed sound wave of 180 degree, mutually offset after two kinds of sound waves combinations before
Eliminate noise.Second noise transducer 230 corrects active noise reduction system then to detect the performance of active noise reduction system 240
The algorithm of system 240 simultaneously will carry out signal feedback to active noise reduction system 240, and active noise reduction system 240 receives signal again
Signal output is carried out to loud speaker.The utility model is by crossing the noise abatement from sound source, loud speaker then being made to generate and the external world again
The equal reversed sound wave of noise, noise is neutralized, to realize the effect of noise reduction.When the utility model may work to kitchen ventilator
The broadband noise (broadband noise) and line spectrum noise (tonal noise) of production carry out active noise reduction.
The exhausting component 120 of the utility model is only connected to cleaning air inlet group 111 and cleaning blast pipe 131 simultaneously, oil
Cigarette air inlet group 112 and oil smoke blast pipe 132 are connect with smoke outlet 140.The horizontal position of oil smoke air inlet group 112 less than clean into
Air port, therefore soot gas of 112 preferential absorption of oil smoke air inlet group under, soot gas are direct through oil smoke blast pipe 132
It is discharged to smoke outlet 140, requires no exhausting component 120.Exhausting component 120 is directly from the cleaning air inlet group positioned at the side of being
The 111 clean air of sucking, can make the wind wheel 122 of exhausting component 120 be always maintained at cleaning, it is made not have in heavy burden work, can
To substantially reduce operating noise.
It should be noted that loud speaker and error the passback device sonic transducer of the utility model are equipped with diversified forms, specifically
It is as follows：1, loud speaker and error passback device sonic transducer are individually fixed in the inner surface of spiral case 121, this form is preferred.2、
Loud speaker and error passback device sonic transducer are individually fixed in the junction of oil smoke air inlet group 112 and oil smoke blast pipe 132.3、
Loud speaker and error passback device sonic transducer are individually fixed in the junction of cleaning air inlet group 111 and cleaning blast pipe 131.4、
Loud speaker and error passback device sonic transducer are individually fixed in and the inlet end of spiral case 121.5, loud speaker and error return device sound
Sensor is individually fixed in smoke outlet 140.Wherein form 1 is the present embodiment installation form, is preferred, or 2-5's
Any one, specific implementation mode is subject to practical operation.
Herein it is noted that smoke machine shell 110 be provide with region refer to smoke machine shell 110 formed hold together cigarette district domain, cigarette
Smog caused by cooking stove below machine primarily enters cigarette district domain, and be provide with by being set to because of the reason of being provide with region
The air inlet of overlying regions sucks air duct, is finally discharged from smoke outlet 140.Kitchen ventilator in the utility model, the work of shell 110
Hold together cigarette district domain with being not configured to be formed, but form the attachment guide surface of oil smoke movement, oil smoke is not to be brought to 110 shapes of shell
At space in be sucked away again but oil smoke allowed to be moved from bottom to top along 110 surface of shell, and inhaled by neighbouring air inlet group
Enter air duct.Therefore, in the utility model it is signified it is non-be provide with region be compared with the existing technology in be provide with for region, this
The non-region that is provide with of utility model refers to 110120 region of shell not for the purpose of holding together poly- oil smoke.
The kitchen ventilator of a kind of band active noise reduction function of the utility model, with traditional passive noise reduction mode kitchen ventilator phase
Than, compared with the kitchen ventilator of traditional passive noise reduction mode, traditional passive noise reduction mode can only lean on good seal and
Material can only but be directed to the sound noise abatement of 500Hz or more higher frequencies.The kitchen ventilator with active noise reduction function is by actively subtracting
Device 200 of making an uproar actively generates the reversed sound wave equal with ambient noise, and noise is neutralized to realize the effect of noise reduction.This practicality
Novel oil smoke function makes soot particles without exhausting component 120, the wind wheel 122 in exhausting component 120 even when being applied between
Increase and also adhere to without oil film, do not have to heavy burden work, thus working with low noise can be kept always.The oil smoke with active noise reduction function
The advantages of equipment physical efficiency generates the noise of different frequency when substantially reducing kitchen ventilator work.
Embodiment 2.
A kind of kitchen ventilator of band active noise reduction function, as shown in figure 3, other features are same as Example 1, difference exists
In being additionally provided with passive noise-decreasing device 300, the passive noise-decreasing device 300 of the present embodiment is noise attenuation material, and noise attenuation material is filled in
Inside exhausting component 120.
It should be noted that the passive noise-decreasing device 300 of the present embodiment can be noise attenuation material and noise-decreasing device one kind or
Two kinds.The installation position of noise attenuation material can be that be filled in inside exhausting component 120 be preferred, can also be attached to exhausting component
120 outer surfaces or at least one for being attached to shell 110 etc..
The present embodiment is based on active noise abatement, supplemented by passive noise abatement.Most of noise is offset in active noise abatement, then is added and subtracted
Making an uproar material can be by the small part noise absorption of remaining wave frequency.
A kind of kitchen ventilator of band active noise reduction function of the utility model, the kitchen ventilator phase with traditional passive noise reduction mode
Than traditional passive noise reduction mode can only lean on good seal and material that can only but be directed to 500Hz or more higher frequencies
Sound noise abatement.The kitchen ventilator with active noise reduction function is actively generated equal with ambient noise by active noise-decreasing device 200
Reversed sound wave neutralizes noise to realize the effect of noise reduction.The oil smoke function of the utility model makes soot particles without pumping
Wind component 120, wind wheel 122 in exhausting component 120 even when being applied between increase and also adhere to without oil film, do not have to heavy burden work, because
And working with low noise can be kept always.The kitchen ventilator with active noise reduction function generates when can specifically substantially reduce kitchen ventilator work
The advantages of noise of different frequency.
Embodiment 3.
A kind of kitchen ventilator of band active noise reduction function, as shown in figure 4, other features are same as Example 1, difference exists
In being additionally provided with passive noise-decreasing device 300, noise-decreasing device is fixedly installed in the inlet end and cleaning blast pipe 131 of spiral case 121
The noise-decreasing device of junction, the present embodiment can be spring or other noise-decreasing devices.
The present embodiment is based on active noise abatement, supplemented by passive noise abatement, when noise-decreasing device can reduce the work of exhausting component 120
The vibrations of generation, to reduce the generation of noise.
Exhausting component 120 is the principal shock source of kitchen ventilator, when the company of the inlet end and cleaning blast pipe 131 of spiral case 121
The place of connecing is fixedly connected with noise-decreasing device, can be to exhausting component 120 and external junction into row buffering, to reduce kitchen ventilator
Overall noise.
A kind of kitchen ventilator of band active noise reduction function of the utility model, the kitchen ventilator phase with traditional passive noise reduction mode
Than traditional passive noise reduction mode can only lean on good seal and material that can only but be directed to 500Hz or more higher frequencies
Sound noise abatement.The kitchen ventilator with active noise reduction function is actively generated equal with ambient noise by active noise-decreasing device 200
Reversed sound wave neutralizes noise to realize the effect of noise reduction.The oil smoke function of the utility model makes soot particles without pumping
Wind component 120, wind wheel 122 in exhausting component 120 even when being applied between increase and also adhere to without oil film, do not have to heavy burden work, because
And working with low noise can be kept always.The kitchen ventilator with active noise reduction function generates when can specifically substantially reduce kitchen ventilator work
The advantages of noise of different frequency.
Embodiment 4.
A kind of kitchen ventilator of band active noise reduction function, as shown in figure 5, other features are same as Example 1, difference exists
In loud speaker and error passback device sonic transducer are individually fixed in cleaning air inlet group 111 and clean the connection of blast pipe 131
Place.
A kind of kitchen ventilator of band active noise reduction function of the utility model, the kitchen ventilator phase with traditional passive noise reduction mode
Than traditional passive noise reduction mode can only lean on good seal and material that can only but be directed to 500Hz or more higher frequencies
Sound noise abatement.The kitchen ventilator with active noise reduction function is actively generated equal with ambient noise by active noise-decreasing device 200
Reversed sound wave neutralizes noise to realize the effect of noise reduction.The oil smoke function of the utility model makes soot particles without pumping
Wind component 120, wind wheel 122 in exhausting component 120 even when being applied between increase and also adhere to without oil film, do not have to heavy burden work, because
And working with low noise can be kept always.The kitchen ventilator with active noise reduction function generates when can specifically substantially reduce kitchen ventilator work
The advantages of noise of different frequency.
Embodiment 5.
A kind of kitchen ventilator of band active noise reduction function, as shown in fig. 6, other features are same as Example 1, difference exists
In being additionally provided with passive noise-decreasing device 300, the present embodiment is provided with noise attenuation material and noise-decreasing device simultaneously.Noise-decreasing device is fixed
It is installed on the junction of the inlet end and cleaning blast pipe 131 of spiral case 121, noise-decreasing device is spring.Noise attenuation material is filled in pumping
Inside wind component 120.The whole noise reduction effect of the present embodiment is all good compared with embodiment 1,2,3 and 4.
A kind of kitchen ventilator of band active noise reduction function of the utility model, the kitchen ventilator phase with traditional passive noise reduction mode
Than traditional passive noise reduction mode can only lean on good seal and material that can only but be directed to 500Hz or more higher frequencies
Sound noise abatement.The kitchen ventilator with active noise reduction function is actively generated equal with ambient noise by active noise-decreasing device 200
Reversed sound wave neutralizes noise to realize the effect of noise reduction.The oil smoke function of the utility model makes soot particles without pumping
Wind component 120, wind wheel 122 in exhausting component 120 even when being applied between increase and also adhere to without oil film, do not have to heavy burden work, because
And working with low noise can be kept always.The kitchen ventilator with active noise reduction function generates when can specifically substantially reduce kitchen ventilator work
The advantages of noise of different frequency.
Embodiment 6.
A kind of kitchen ventilator of band active noise reduction function, other features are same as Example 1, the difference is that, this implementation
The shell 110 of example is spheroid.
It should be noted that the shell 110 of the utility model can be with spheroid, or sphere, cone or part ball
Body etc..The shape of shell 110 does not influence the noise reduction effect of the utility model not only, can also beautify kitchen environment.
A kind of kitchen ventilator of band active noise reduction function of the utility model, the kitchen ventilator phase with traditional passive noise reduction mode
Than traditional passive noise reduction mode can only lean on good seal and material that can only but be directed to 500Hz or more higher frequencies
Sound noise abatement.The kitchen ventilator with active noise reduction function is actively generated equal with ambient noise by active noise-decreasing device 200
Reversed sound wave neutralizes noise to realize the effect of noise reduction.The oil smoke function of the utility model makes soot particles without pumping
Wind component 120, wind wheel 122 in exhausting component 120 even when being applied between increase and also adhere to without oil film, do not have to heavy burden work, because
And working with low noise can be kept always.The kitchen ventilator with active noise reduction function generates when can specifically substantially reduce kitchen ventilator work
The advantages of noise of different frequency.
Finally it should be noted that above example is only to illustrate the technical solution of the utility model rather than to this practicality
The limitation of novel protected range, although being explained in detail to the utility model with reference to preferred embodiment, the common skill of this field
Art personnel, which should be appreciated that, to be modified or replaced equivalently the technical solution of the utility model, without departing from this practicality
The spirit and scope of new technique scheme.
Claims (10)
1. a kind of kitchen ventilator of band active noise reduction function, it is characterised in that：Smoke machine main body is set and is fixedly installed in smoke machine main body
Active noise-decreasing device；
The smoke machine main body is provided with shell；
Guide surface of the outer surface of the shell as oil smoke moving direction, and non-formation it is provide with region for gather oil smoke；
At least it is located at the non-of shell in the presence of an air inlet group and is provide with regional location；
Oil smoke is moved along outer surface of outer cover, and sucks smoke machine master by least one non-air inlet group for being provide with regional location setting
The air duct in internal portion.
2. a kind of kitchen ventilator of band active noise reduction function according to claim 1, it is characterised in that：The active noise abatement dress
The first noise transducer, loud speaker, detection for being equipped with detection noises from noise sources is installed to sense the second noise of noise after amendment
Device and active noise reduction system；
Active noise reduction system is connect with the first noise transducer, loud speaker and the second noise transducer electric signal respectively.
3. a kind of kitchen ventilator of band active noise reduction function according to claim 2, it is characterised in that：By first noise
Sensor, loud speaker and the second noise transducer are respectively defined as L at a distance from noise sourceFirst noise transducer、LLoud speaker、LSecond noise transducer；
And LSecond noise transducer>LLoud speaker,LSecond noise transducer>LFirst noise transducer, LFirst noise transducer≥0。
4. a kind of kitchen ventilator of band active noise reduction function according to claim 3, it is characterised in that：Shell is provided with n
Air inlet group, each air inlet group are connected to the same end in enclosure air duct respectively, and each air inlet group is single hole arrangements
Or porous structure；
The central point of each air inlet group is respectively P0、P1、……、Pi、……、Pn-1；And n >=2,1≤i≤n-1, and i and n are
For positive integer, with any one central point P in the central point extreme lower position of air inlet group0,Three-dimensional system of coordinate is established for origin；
Passing through P0And in the plane parallel with horizontal plane, with cross P0And orthogonal two straight lines are defined as X-axis and Y-axis, it will
Pass through P0And the straight line to intersect vertically respectively with X-axis and Y-axis is defined as Z axis, P0It is P in the coordinate of three-dimensional system of coordinate0(X0,Y0,
Z0)=P0(0,0,0)；
The central point of the n air inlet group is P in the coordinate of 3-D walls and floor0(0,0,0)、P1(X1,Y1,Z1)、……、Pi
(Xi,Yi,Zi)、……、Pn-1(Xn-1,Yn-1,Zn-1), P0(0,0,0)≠Pi(Xi,Yi,Zi), and PiTo Pn-1In at least exist one
Z axis coordinate be 0；
The smoke machine main body is additionally provided with n air intake surface, and n air intake surface is spliced to form the shell, and each air intake surface has one
A corresponding air inlet group；
N air intake surface is respectively defined as S0、S1、...、Si、...、Sn-1, the central point P of n air inlet group0、P1、...、
Pi、...、Pn-1, it is located at S0、S1、...、Si、...、Sn-1。
5. a kind of kitchen ventilator of band active noise reduction function according to claim 4, it is characterised in that：The air duct is set as
Windy pipe, is additionally provided with exhausting component, and windy pipe and exhausting component are fixedly installed in enclosure respectively；
The windy pipe includes cleaning blast pipe and oil smoke blast pipe, and the inlet end for cleaning blast pipe and exhausting component is seamless
Connection, oil smoke blast pipe are connected to the smoke outlet of kitchen ventilator；
The air inlet group is provided with the cleaning air inlet group for being connected to cleaning blast pipe and is used to connect with oil smoke blast pipe
Logical oil smoke air inlet group；
The shell peak is defined as Pm, coordinate Pm(Xm,Ym,Zm)；It is described cleaning air inlet group central point be
PClean air inlet group, coordinate PClean air inlet group(XClean air inlet group,YClean air inlet group,Z Clean air inlet group), the central point of oil smoke air inlet group is
POil smoke air inlet group, coordinate POil smoke air inlet group(X Oil smoke air inlet group,YOil smoke air inlet group,ZOil smoke air inlet group), 0.5≤ZClean air inlet group/Zm≤ 1,0≤
ZOil smoke air inlet group/Zm≤ 0.5, and ZOil smoke air inlet group＜ ZClean air inlet group；
The exhausting component is provided with motor, wind wheel and spiral case, and motor is fixedly connected on the top of wind wheel, and motor and wind wheel are solid
Surely it is connected to the inside of spiral case, spiral case is fixedly installed in enclosure, and the inlet end of spiral case and the seamless company of cleaning blast pipe
It is logical.
6. a kind of kitchen ventilator of band active noise reduction function according to claim 5, it is characterised in that：First noise passes
Sensor is installed on the outer surface of motor.
7. a kind of kitchen ventilator of band active noise reduction function according to claim 6, it is characterised in that：The loud speaker and mistake
Difference passback device sonic transducer is individually fixed in the junction of oil smoke air inlet group and oil smoke blast pipe；Or
Loud speaker and error passback device sonic transducer are individually fixed in cleaning air inlet group and clean the junction of blast pipe；Or
Loud speaker and error passback device sonic transducer are individually fixed in and the inlet end of spiral case；Or
Loud speaker and error passback device sonic transducer are individually fixed in smoke outlet；Or
Loud speaker and error passback device sonic transducer are individually fixed in the inner surface of spiral case.
8. a kind of kitchen ventilator of band active noise reduction function according to claim 7, it is characterised in that：It is additionally provided with and passively subtracts
It makes an uproar device, passive noise-decreasing device is fixedly installed in smoke machine main body.
9. a kind of kitchen ventilator of band active noise reduction function according to claim 8, it is characterised in that：The passive noise abatement dress
It is set to noise attenuation material, the noise attenuation material is filled in exhausting component internal respectively, is attached to spiral case outer surface or is attached to
At least one of inner surface of outer cover；Or
The passive noise-decreasing device is noise-decreasing device, and noise-decreasing device is fixedly installed in the company of the inlet end and cleaning blast pipe of spiral case
Connect at least one at place.
10. a kind of kitchen ventilator of band active noise reduction function according to claim 9, it is characterised in that：The shell is ball
Body either spheroid or cone or part sphere.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201721609065.1U CN207962768U (en) | 2017-11-27 | 2017-11-27 | A kind of kitchen ventilator of band active noise reduction function |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201721609065.1U CN207962768U (en) | 2017-11-27 | 2017-11-27 | A kind of kitchen ventilator of band active noise reduction function |
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| CN207962768U true CN207962768U (en) | 2018-10-12 |
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ID=63723877
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107741045A (en) * | 2017-11-27 | 2018-02-27 | 佛山市云米电器科技有限公司 | A kind of lampblack absorber of band active noise reduction function |
-
2017
- 2017-11-27 CN CN201721609065.1U patent/CN207962768U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107741045A (en) * | 2017-11-27 | 2018-02-27 | 佛山市云米电器科技有限公司 | A kind of lampblack absorber of band active noise reduction function |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20181012 Effective date of abandoning: 20200908 |