CN206571743U - Volute of blower and centrifugal blower - Google Patents
Volute of blower and centrifugal blower Download PDFInfo
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- CN206571743U CN206571743U CN201720126387.4U CN201720126387U CN206571743U CN 206571743 U CN206571743 U CN 206571743U CN 201720126387 U CN201720126387 U CN 201720126387U CN 206571743 U CN206571743 U CN 206571743U
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Abstract
The utility model provides a kind of volute of blower and centrifugal blower, wherein, volute of blower, including：Top plate, bottom plate and baffle assembly, the two ends of baffle assembly are connected with top plate and bottom plate respectively, it is characterised in that also include：Resonant cavity located at baffle assembly side, wherein, resonant cavity includes：Chamber shell；And connecting tube, the side being connected located at resonant cavity with baffle assembly, connecting tube connection resonant cavity and baffle assembly.Pass through the technical solution of the utility model, being provided with the side of baffle assembly includes chamber shell and the resonant cavity of connecting tube, fluid is when flowing through the baffle assembly being connected with resonant cavity, air in connecting tube carries out piston movement, air and the tube wall of connecting tube are rubbed, acoustic energy is converted into heat energy to be consumed, so that the noise of the centrifugal blower with volute of blower operationally is reduced, the Consumer's Experience of lifting in use.
Description
Technical field
The utility model is related to centrifugal blower field, in particular to a kind of volute of blower and a kind of centrifugal blower.
Background technology
It is commonly used with range hood, centrifugal blower is so that its suction is big, compact conformation the advantages of set in fume purifying
Standby middle acquirement extensive use, the requirement however as people to quality of the life is improved constantly, and existing oil-fume exhauster product is in work
When making, complete machine noise is produced when mainly flowing through air inlet or air outlet by air, wherein due to air outlet air pressure and
Flow-rate ratio is larger, therefore the noise of generation is even more serious, so that user is often disturbed during normal use by noise,
Reduce the usage experience of user.
Utility model content
At least one in order to solve the above-mentioned technical problem, a purpose of the present utility model is to provide a kind of blower fan snail
Shell.
Another purpose of the present utility model is to provide a kind of centrifugal blower.
To achieve the above object, the technical scheme of the utility model first aspect provides a kind of volute of blower, including：Top
Plate, bottom plate and baffle assembly, the two ends of baffle assembly are connected with top plate and bottom plate respectively, in addition to：Located at baffle assembly one
The resonant cavity of side, wherein, resonant cavity includes：Chamber shell；And connecting tube, the side being connected located at resonant cavity with baffle assembly, even
Adapter connection resonant cavity and baffle assembly.
In the technical scheme, include chamber shell and the resonant cavity of connecting tube, fluid by being provided with the side of baffle assembly
When flowing through the baffle assembly being connected with resonant cavity, the air in connecting tube carries out the tube wall of piston movement, air and connecting tube
Rubbed, acoustic energy is converted into heat energy to be consumed, so as to reduce the centrifugal blower with volute of blower operationally
Noise, lifting Consumer's Experience in use.
Wherein it is preferred to, resonant cavity is made an uproar at the air outlet of volute of blower available for the air outlet for absorbing specific frequency
Sound, so as to weaken fluid acoustic energy for flowing in the component that volute of blower is connected, further reduces use normal to user
Influence, improves Consumer's Experience.
Wherein it is preferred to, the parameter such as volume, the sectional area of connecting tube, length of connecting tube of resonant cavity lumen shell wants root
It is designed according to concrete condition, the acoustic energy to eliminate special frequency channel.
In addition, the volute of blower in the above-mentioned technical proposal that the utility model is provided can also have following supplementary technology special
Levy：
In the above-mentioned technical solutions, it is preferable that baffle assembly includes：Peripheral board, one end of peripheral board and the outside of top plate
Edge is connected；Interior coaming plate, be arranged in parallel with peripheral board interval pre-determined distance.
In the technical scheme, baffle assembly is made up of interior coaming plate and peripheral board, by using the coaming plate group of double-deck coaming plate
Part, the cavity being collectively forming by baffle assembly and top plate and bottom plate is internally formed in volute of blower, and air is passing through coaming plate group
When part is outwards transmitted, transmission in the cavities can lose a part of acoustic energy, so as to weaken via double-deck baffle assembly to external radiation
Noise, further lift Consumer's Experience.
In any of the above-described technical scheme, it is preferable that also include：Sound-absorbing material, be filled in interior coaming plate and peripheral board it
Between.
In the technical scheme, by filling certain sound-absorbing material between interior coaming plate and peripheral board, blower fan is can absorb
In the noise of generation, by baffle assembly to the part of external radiation, the resonant cavity collective effect with being arranged on baffle assembly side,
The noise that effectively reduction centrifugal blower is operationally produced, improves Consumer's Experience.
Wherein, sound-absorbing material is preferably high fire-retardance sound-absorbing material, and user can strengthen the peace used when using centrifugal blower
Quan Xing, while the sound-absorbing frequency range of sound-absorbing material includes：300Hz~500Hz, 1000Hz~2000Hz or 3000Hz~6000Hz,
According to the different usage scenario of centrifugal blower, the sound-absorbing frequency of sound-absorbing material can be flexibly selected, strengthens the absorption to noise, enhancing
Consumer's Experience.
In any of the above-described technical scheme, it is preferable that also include：Air inlet, on top plate, fluid is entered by air inlet
Enter volute of blower.
In the technical scheme, by setting air inlet on top plate, fluid flows into volute of blower by air inlet, passed through
Blower fan inside volute of blower carries out pressurized treatments, and lifting discharges the flow and pressure of fluid.
Wherein it is preferred to, air inlet is connected with flow regulating barrels, enter volute of blower before, reduce fluid nearly air outlet it
Between the pressure loss, while also reduce the influence of the airflow area to entering vapor interface, and then reduce the actual flow of blower fan.
Wherein, the shape of air inlet can be rectangle, or circular.
In any of the above-described technical scheme, it is preferable that also include：Air channel, top plate, bottom plate and baffle assembly surround shape
Into air channel；Air outlet, is surrounded into air outlet in the one end in air channel by interior coaming plate, top plate and bottom plate, wherein, fluid is from blower fan snail
Discharged inside shell by air outlet.
In the technical scheme, air channel is surrounded by top plate, bottom plate and baffle assembly to be formed, fluid inside volute of blower
Flowed in air channel, the flow direction to fluid is defined, weaken pressure and flow loss of the fluid in flow process, in wind
The one end in road is provided with the air outlet that surrounds of interior coaming plate and top plate and bottom plate, fluid flowed in air channel during
Discharged in the presence of blower fan by air outlet.
In any of the above-described technical scheme, it is preferable that also include：Adpting flange, at air outlet, volute of blower with
Target member is attached by adpting flange and connector, and fluid is drained into target member by air outlet.
In the technical scheme, adpting flange is provided with air outlet, for connecting fan spiral case and target member, target
Component is preferably airduct, to reduce flow loss of the fluid at adpting flange, the Interface Shape of airduct and going out for volute of blower
Inlet shape matches, in use, and fluid is discharged inside air channel.
In any of the above-described technical scheme, it is preferable that bottom plate is provided with connecting hole, drive device is fixed by connecting hole
On bottom plate.
In the technical scheme, by setting connecting hole on bottom plate, during being assembled to centrifugal blower, lead to
Cross connecting hole drive device is fixed on bottom plate, so as to ensure that centrifugal blower is normally run, driving fluid is flowed.
Wherein, drive device is micromachine, servomotor or stepper motor.
In any of the above-described technical scheme, it is preferable that bottom plate includes：Air duct board, one end and coaming plate group with top plate
Part surrounds to form air outlet；Bending plate, is fixedly connected with air duct board, and bending plate is in first angle with air duct board；Wherein, air outlet
It is in second angle with air inlet, first angle is identical with the size of second angle.
In the technical scheme, bottom plate includes the air duct board for forming air outlet, and the bending being fixedly linked with air duct board
Plate, when volute of blower is used for side extraction cooking fume extractor, bending plate and air duct board on bottom plate are in first angle, and air outlet is with entering
The second angle that air port is formed is identical with the size of first angle, and when installing volute of blower, bending plate is parallel with wall, keeps out
The adpting flange level in air port, is easily installed.
Wherein it is preferred to, the angular range of first angle is：20 °~35 °.
In any of the above-described technical scheme, it is preferable that top plate is parallel with bottom plate, top plate is vertical with baffle assembly.
In the technical scheme, it is parallel to each other by the top plate and bottom plate of air outlet, while baffle assembly is vertical with top plate
Set, the shape of air outlet is defined, so that processing of being more convenient for, improves production efficiency.
The technical scheme of the utility model second aspect provides a kind of centrifugal blower, including the utility model first aspect
Any one of technical scheme provide volute of blower, in addition to：Motor, is fixed by the fixing hole and volute of blower of volute of blower
Connection；And impeller, coaxially it is connected with the motor shaft of motor, wherein, the axial length of impeller is 100mm~130mm.
In the technical scheme, by using the volute of blower in first aspect technical scheme in centrifugal blower, meanwhile,
The motor being connected with volute of blower is fixed with the fixing hole of volute of blower, while being additionally provided with the leaf being coaxially connected with motor shaft
Wheel, the axial length of impeller is 100mm~130mm, under blower fan normal operating conditions, wheel rotation is moved by motor belt motor, in sky
During gas is drained into air outlet by air inlet, weaken due to the noise that air and volute of blower collision are produced, so as to lift use
Experience at family.
Additional aspect and advantage of the present utility model will become obvious in following description section, or new by this practicality
The practice of type is recognized.
Brief description of the drawings
Fig. 1 shows the structural representation of the volute of blower according to one embodiment of the present utility model；
Fig. 2 shows the structural representation of the baffle assembly of the volute of blower according to one embodiment of the present utility model；
Fig. 3 shows the stereochemical structure signal of the resonant cavity of the volute of blower according to one embodiment of the present utility model
Figure；
Fig. 4 shows the sectional structure signal of the resonant cavity of the volute of blower according to one embodiment of the present utility model
Figure；
Fig. 5 shows the planar structure schematic diagram of the volute of blower according to one embodiment of the present utility model.
102 top plates, 104 bottom plates, 106 baffle assemblies, 108 resonant cavities, 110 chamber shells, 112 connecting tubes, 114 peripheral boards, 116
Interior coaming plate, 118 adpting flanges, 120 connecting holes, 122 air duct boards, 124 bending plates.
Embodiment
In order to be more clearly understood that above-mentioned purpose of the present utility model, feature and advantage, below in conjunction with the accompanying drawings and tool
The utility model is further described in detail body embodiment.It should be noted that in the case where not conflicting, this Shen
The feature in embodiment and embodiment please can be mutually combined.
Many details are elaborated in the following description to fully understand the utility model, still, this practicality
New to be different from other modes described here to implement using other, therefore, protection domain of the present utility model is simultaneously
It is not limited to the limitation of following public specific embodiment.
With reference to Fig. 1 to Fig. 5 to being specifically described according to the volute of blower of embodiment of the present utility model.
As shown in figures 1 and 3, the embodiment of the utility model first aspect provides a kind of volute of blower, including：Top plate
102, bottom plate 104 and baffle assembly 106, the two ends of baffle assembly 106 are connected with top plate 102 and bottom plate 104 respectively, its feature
It is, in addition to：Resonant cavity 108 located at the side of baffle assembly 106, wherein, resonant cavity 108 includes：Chamber shell 110；And even
Adapter 112, the side being connected located at resonant cavity 108 with baffle assembly 106, the connection resonant cavity 108 of connecting tube 112 and baffle assembly
106。
In this embodiment, the resonance of chamber shell 110 and connecting tube 112 is included by being provided with the side of baffle assembly 106
Chamber 108, fluid is when flowing through the baffle assembly 106 being connected with resonant cavity 108, and the air in connecting tube 112 carries out piston movement,
Air and the tube wall of connecting tube 112 are rubbed, and acoustic energy are converted into heat energy to be consumed, so as to reduce with blower fan snail
The noise of the centrifugal blower of shell operationally, the Consumer's Experience of lifting in use.
Wherein it is preferred to, resonant cavity 108 is at the air outlet of volute of blower, available for the air-out for absorbing specific frequency
Mouth noise, so as to weaken the acoustic energy that fluid flows in the component that volute of blower is connected, reduces the shadow used normal to user
Ring, improve Consumer's Experience.
Wherein it is preferred to, as shown in figure 4, the volume of the lumen shell 110 of resonant cavity 108, the sectional area of connecting tube 112, connection
The parameters such as the length of pipe 112 will be designed as the case may be, the acoustic energy to eliminate special frequency channel.
In addition, the volute of blower in above-described embodiment that the utility model is provided can also have following supplementary technology special
Levy：
As shown in Fig. 2 in the above embodiment, it is preferable that baffle assembly 106 includes：Peripheral board 114, peripheral board 114
One end is connected with the outward flange of top plate 102；Interior coaming plate 116, be arranged in parallel with the interval of peripheral board 114 pre-determined distance.
In this embodiment, baffle assembly 106 is made up of interior coaming plate 116 and peripheral board 114, by using double-deck coaming plate
Baffle assembly 106, the sky being collectively forming by baffle assembly 106 and top plate 102 and bottom plate 104 is internally formed in volute of blower
Chamber, air through baffle assembly 106 outwards transmit when, in the cavities transmission can lose a part of acoustic energy so that weaken via
Double-deck baffle assembly 106 further lifts Consumer's Experience to the noise of external radiation.
In any of the above-described embodiment, it is preferable that also include：Sound-absorbing material, is filled in interior coaming plate 116 and peripheral board
Between 114, wherein, sound-absorbing material is high fire-retardance sound-absorbing material, and the sound-absorbing frequency range of sound-absorbing material includes：300Hz~500Hz,
1000Hz~2000Hz or 3000Hz~6000Hz.
In this embodiment, by filling certain sound-absorbing material between interior coaming plate 116 and peripheral board 114, it can absorb
In the noise of blower fan generation, by baffle assembly 106 to the part of external radiation, the resonance with being arranged on the side of baffle assembly 106
The collective effect of chamber 108, the noise that effectively reduction centrifugal blower is operationally produced, improves Consumer's Experience.
Wherein, sound-absorbing material is preferably high fire-retardance sound-absorbing material, and user can strengthen the peace used when using centrifugal blower
Quan Xing, while the sound-absorbing frequency range of sound-absorbing material includes：300Hz~500Hz, 1000Hz~2000Hz or 3000Hz~6000Hz,
According to the different usage scenario of centrifugal blower, the sound-absorbing frequency of sound-absorbing material can be flexibly selected, strengthens the absorption to noise, enhancing
Consumer's Experience.
In any of the above-described embodiment, it is preferable that also include：Air inlet, on top plate 102, fluid is by air inlet
Into volute of blower.
In this embodiment, by setting air inlet on top plate 102, fluid flows into volute of blower by air inlet, leads to
The blower fan crossed inside volute of blower carries out pressurized treatments, and lifting discharges the flow and pressure of fluid.
Wherein it is preferred to, air inlet is connected with flow regulating barrels, enter volute of blower before, reduce fluid nearly air outlet it
Between the pressure loss, while also reduce the influence of the airflow area to entering vapor interface, and then reduce the actual flow of blower fan.
Wherein, the shape of air inlet can be rectangle, or circular.
In any of the above-described embodiment, it is preferable that also include：Air channel, top plate 102, bottom plate 104 and baffle assembly
106 surround to form air channel；Air outlet, is surrounded into air-out in the one end in air channel by interior coaming plate 116, top plate 102 and bottom plate 104
Mouthful, wherein, fluid is discharged inside volute of blower by air outlet.
In this embodiment, air channel is surrounded and formed by top plate 102, bottom plate 104 and baffle assembly 106, and fluid is in blower fan snail
Flowed inside shell in air channel, the flow direction to fluid is defined, weaken pressure and flow of the fluid in flow process
Loss, is provided with the air outlet that interior coaming plate 116 and top plate 102 and bottom plate 104 surround, fluid is in air channel in the one end in air channel
Discharged during being flowed in the presence of blower fan by air outlet.
In any of the above-described embodiment, it is preferable that also include：Adpting flange 118, at air outlet, volute of blower
It is attached with target member by adpting flange 118 and connector, fluid is drained into target member by air outlet.
In this embodiment, adpting flange 118 is provided with air outlet, for connecting fan spiral case and target member, mesh
It is preferably airduct to mark component, to reduce flow loss of the fluid at adpting flange 118, the Interface Shape and volute of blower of airduct
Air-out mouth-shaped match, in use, fluid is discharged inside air channel.
In any of the above-described embodiment, it is preferable that bottom plate 104 is provided with connecting hole 120, and drive device passes through connecting hole
120 are fixed on bottom plate 104.
In this embodiment, by setting connecting hole 120 on bottom plate 104, in the process assembled to centrifugal blower
In, drive device is fixed on bottom plate 104 by connecting hole 120, so as to ensure that centrifugal blower is normally run, driving fluid enters
Row flowing.
Wherein, drive device is micromachine, servomotor or stepper motor.
As shown in figure 5, in any of the above-described embodiment, it is preferable that bottom plate 104 includes：Air duct board 122, with top plate 102
One end and baffle assembly 106 surround to form air outlet；Bending plate 124, is fixedly connected with air duct board 122, bending plate 124 with
Air duct board 122 is in first angle；Wherein, air outlet and air inlet are in second angle, the size phase of first angle and second angle
Together.
In this embodiment, bottom plate 104 includes the air duct board 122 for forming air outlet, and is fixedly linked with air duct board 122
Bending plate 124, volute of blower be used for side extraction cooking fume extractor when, the bending plate 124 on bottom plate 104 is in air duct board 122
First angle, air outlet is identical with the size of first angle with the second angle that air inlet is formed, when installing volute of blower, bending
Plate 124 is parallel with wall, keeps the level of adpting flange 118 of air outlet, is easily installed.
Wherein it is preferred to, the angular range of first angle is：20 °~35 °.
In any of the above-described embodiment, it is preferable that top plate 102 is parallel with bottom plate 104, top plate 102 and baffle assembly 106
Vertically.
In this embodiment, it is parallel to each other by the top plate 102 and bottom plate 104 of air outlet, while baffle assembly 106 and top
Plate 102 is vertically arranged, and the shape of air outlet is defined, so that processing of being more convenient for, improves production efficiency.
The embodiment of the utility model second aspect is provided in a kind of centrifugal blower, including the utility model first aspect
The volute of blower that any one embodiment is provided, in addition to：Motor, is fixed with volute of blower by the fixing hole of volute of blower and connected
Connect；And impeller, coaxially it is connected with the motor shaft of motor, wherein, the axial length of impeller is 100mm~130mm.
In this embodiment, by using the volute of blower in first aspect technical scheme in centrifugal blower, meanwhile,
The motor being connected with volute of blower is fixed with the fixing hole of volute of blower, while being additionally provided with the leaf being coaxially connected with motor shaft
Wheel, the axial length of impeller is 100mm~130mm, under blower fan normal operating conditions, wheel rotation is moved by motor belt motor, in sky
During gas is drained into air outlet by air inlet, weaken due to the noise that air and volute of blower collision are produced, so as to lift use
Experience at family.
For the volute of blower of one embodiment in the utility model, the utility model mainly lists following implementation
Example：
Specific embodiment one：
Air enters centrifugal blower by the air inlet of centrifugal blower, is discharged by air outlet, is flowed in volute of blower
In dynamic process, a part of noise of generation is discharged by the baffle assembly 106 of volute of blower, and another part noise passes through air intake
Mouth and air outlet are to external radiation, as shown in figure 1, resonant cavity 108 is located at the side close to the baffle assembly 106 of air outlet, it is empty
Gas carries out the absorption of acoustic energy by resonant cavity 108, regard the air column in connecting tube 112 as incompressible friction free stream
Body, and compare as the quality of vibrational system, acoustically the chamber shell 110 for having air, is compared to spring, it can be resisted by referred to as acoustic mass
The pressure of external sound wave, equivalent to neck degree, referred to as acoustic compliance；When external sound wave passes to resonant cavity 108, the gas in connecting tube 112
Body is moved in the presence of sound wave as piston, the friction of partial air molecule and hole wall make acoustic energy be changed into heat energy and
Consumption, this is equivalent to the frictional damping of mechanical oscillation, acoustically referred to as acoustic resistance.When the size of resonant cavity 108 is far smaller than external
During the wavelength of sound wave, the air molecule in connecting tube 112 is excited in the presence of sound wave, makes it make to come and go fortune as piston
It is dynamic, resonated when the intrinsic frequency of resonator is consistent with external sound wave frequency, at this moment in neck air-column vibration velocity amplitude
Value reaches maximum, thus damping is maximum, and sound energy consumption is also with regard at most, so as to obtain effective sound absorption effect at air outlet.
Specific embodiment two：
In the air inlet of volute of blower, using the center of air inlet as the multiple resonant cavities 108 of center of circle array, air passes through many
Individual resonant cavity 108 carries out the absorption of acoustic energy, regard the air column in the strong connecting tube 112 of each resonance as incompressible nothing
The fluid of friction, and analogy is the quality of vibrational system, and the chamber shell 110 for having air is compared to spring, when external sound wave is passed to altogether
Shake chamber 108 when, the gas in connecting tube 112 is moved in the presence of sound wave as piston, partial air molecule and hole
The friction of wall makes acoustic energy be changed into heat energy and consume, when the size of resonant cavity 108 is far smaller than the wavelength of external sound wave, in sound
The air molecule in connecting tube 112 is excited in the presence of ripple, it is made back and forth movement as piston, when the intrinsic frequency of resonator
Rate resonates when consistent with external sound wave frequency, and at this moment the velocity amplitude of air-column vibration reaches maximum, thus damping in neck
Maximum, sound energy consumption is also just most, so as to weaken in air inlet to noise.
Embodiment of the present utility model has been described in detail above, the utility model proposes a kind of volute of blower and centrifugation wind
Machine, in the side of baffle assembly provided with including chamber shell and the resonant cavity of connecting tube, fluid is flowing through the coaming plate that is connected with resonant cavity
During component, air in connecting tube carries out piston movement, and the tube wall of air and connecting tube is rubbed, and acoustic energy is converted into heat energy
So as to be consumed, so as to reduce the noise of the centrifugal blower with volute of blower operationally, lifted in use
Consumer's Experience.
In the utility model, term " first ", " second ", " the 3rd " are only used for the purpose of description, and it is not intended that
Indicate or imply relative importance；Term " multiple " then refers to two or more, unless otherwise clear and definite restriction.Term " peace
The term such as dress ", " connected ", " connection ", " fixation " all should be interpreted broadly, for example, " connection " can be fixedly connected, can also
It is to be detachably connected, or is integrally connected；" connected " can be joined directly together, and can also be indirectly connected to by intermediary.It is right
For one of ordinary skill in the art, it can understand that specific in the utility model of above-mentioned term containing as the case may be
Justice.
In description of the present utility model, it is to be understood that term " on ", " under ", "left", "right", "front", "rear" etc. refer to
The orientation or position relationship shown be based on orientation shown in the drawings or position relationship, be for only for ease of description the utility model and
Simplify description, rather than indicate or imply that the device or unit of meaning there must be specific direction, with specific azimuth configuration
And operation, it is thus impossible to be interpreted as to limitation of the present utility model.
In the description of this specification, the description of term " one embodiment ", " some embodiments ", " specific embodiment " etc.
Mean that combining the embodiment or specific features, structure, material or the feature of example description is contained in of the present utility model at least one
In individual embodiment or example.In this manual, identical embodiment is not necessarily referring to the schematic representation of above-mentioned term
Or example.Moreover, specific features, structure, material or the feature of description can be in any one or more embodiments or examples
In combine in an appropriate manner.
Preferred embodiment of the present utility model is these are only, the utility model is not limited to, for this area
Technical staff for, the utility model can have various modifications and variations.It is all it is of the present utility model spirit and principle within,
Any modification, equivalent substitution and improvements made etc., should be included within protection domain of the present utility model.
Claims (10)
1. a kind of volute of blower, including：Top plate, bottom plate and baffle assembly, the two ends of the baffle assembly respectively with the top
Plate is connected with the bottom plate, it is characterised in that also include：Resonant cavity located at the baffle assembly side, wherein, the resonance
Chamber includes：
Chamber shell；And
Connecting tube, the side being connected located at the resonant cavity with the baffle assembly, the connecting tube connect the resonant cavity with
The baffle assembly.
2. volute of blower according to claim 1, it is characterised in that the baffle assembly includes：
Peripheral board, one end of the peripheral board is connected with the outward flange of the top plate；
Interior coaming plate, be arranged in parallel with peripheral board interval pre-determined distance.
3. volute of blower according to claim 2, it is characterised in that also include：
Sound-absorbing material, is filled between the interior coaming plate and the peripheral board.
4. volute of blower according to claim 3, it is characterised in that also include：
Air inlet, on the top plate, fluid enters the volute of blower by the air inlet.
5. volute of blower according to claim 4, it is characterised in that also include：
Air channel, the top plate, the bottom plate and the baffle assembly surround to form air channel；
Air outlet, is surrounded into air outlet in the one end in the air channel by the interior coaming plate, the top plate and the bottom plate,
Wherein, the fluid is discharged inside the volute of blower by the air outlet.
6. volute of blower according to claim 5, it is characterised in that also include：
Adpting flange, at the air outlet, the volute of blower with target member is by the adpting flange and is connected
Part is attached, and the fluid is drained into the target member by the air outlet.
7. volute of blower according to claim 6, it is characterised in that
The bottom plate is provided with connecting hole, and drive device is fixed on the bottom plate by the connecting hole.
8. volute of blower according to claim 7, it is characterised in that the bottom plate includes：
Air duct board, surrounds to form the air outlet with one end of the top plate and the baffle assembly；
Bending plate, is fixedly connected with the air duct board, and the bending plate is in first angle with the air duct board；
Wherein, the air outlet and the air inlet are in second angle, the size phase of the first angle and the second angle
Together.
9. volute of blower according to any one of claim 1 to 8, it is characterised in that
The top plate is parallel with the bottom plate, and the top plate is vertical with the baffle assembly.
10. a kind of centrifugal blower, it is characterised in that including：
Volute of blower any one of claim 1 to 9；
Motor, is fixedly connected by the fixing hole of the volute of blower with the volute of blower；And
Impeller, is coaxially connected with the motor shaft of the motor,
Wherein, the axial length of the impeller is 100mm~130mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720126387.4U CN206571743U (en) | 2017-02-13 | 2017-02-13 | Volute of blower and centrifugal blower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720126387.4U CN206571743U (en) | 2017-02-13 | 2017-02-13 | Volute of blower and centrifugal blower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206571743U true CN206571743U (en) | 2017-10-20 |
Family
ID=60058804
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720126387.4U Active CN206571743U (en) | 2017-02-13 | 2017-02-13 | Volute of blower and centrifugal blower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206571743U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108240353A (en) * | 2017-12-27 | 2018-07-03 | 宁波方太厨具有限公司 | A kind of wind turbine noise reduction spiral tougue |
| IT201900006861A1 (en) * | 2019-05-15 | 2020-11-15 | Denso Thermal Systems Spa | Centrifugal fan with sound absorbing structure for automotive HVAC systems |
-
2017
- 2017-02-13 CN CN201720126387.4U patent/CN206571743U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108240353A (en) * | 2017-12-27 | 2018-07-03 | 宁波方太厨具有限公司 | A kind of wind turbine noise reduction spiral tougue |
| CN108240353B (en) * | 2017-12-27 | 2024-03-29 | 宁波方太厨具有限公司 | Noise-reducing volute tongue of fan |
| IT201900006861A1 (en) * | 2019-05-15 | 2020-11-15 | Denso Thermal Systems Spa | Centrifugal fan with sound absorbing structure for automotive HVAC systems |
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Effective date of registration: 20230328 Address after: 241000 west side of 3 / F, No.5 office building, new energy and new materials gathering area, Fuzhou Road, Jiangbei District, Wuhu City, Anhui Province Patentee after: Wuhu Midea intelligent kitchen electricity Manufacturing Co.,Ltd. Address before: 528311, 26-28, B District, Mei headquarters building, 6 Mei Road, Beijiao Town, Shunde District, Foshan, Guangdong. Patentee before: MIDEA GROUP Co.,Ltd. |
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