CN109779932A - Air agitates system - Google Patents
Air agitates system Download PDFInfo
- Publication number
- CN109779932A CN109779932A CN201811345867.5A CN201811345867A CN109779932A CN 109779932 A CN109779932 A CN 109779932A CN 201811345867 A CN201811345867 A CN 201811345867A CN 109779932 A CN109779932 A CN 109779932A
- Authority
- CN
- China
- Prior art keywords
- beads
- air
- base plate
- agitates
- propeller
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
- F04D29/667—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps by influencing the flow pattern, e.g. suppression of turbulence
-
- A—HUMAN NECESSITIES
- A45—HAND OR TRAVELLING ARTICLES
- A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
- A45D20/00—Hair drying devices; Accessories therefor
- A45D20/04—Hot-air producers
- A45D20/08—Hot-air producers heated electrically
- A45D20/10—Hand-held drying devices, e.g. air douches
-
- A—HUMAN NECESSITIES
- A45—HAND OR TRAVELLING ARTICLES
- A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
- A45D20/00—Hair drying devices; Accessories therefor
- A45D20/04—Hot-air producers
- A45D20/08—Hot-air producers heated electrically
- A45D20/10—Hand-held drying devices, e.g. air douches
- A45D20/12—Details thereof or accessories therefor, e.g. nozzles, stands
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D17/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
- F04D17/08—Centrifugal pumps
- F04D17/16—Centrifugal pumps for displacing without appreciable compression
- F04D17/165—Axial entry and discharge
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/26—Rotors specially for elastic fluids
- F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
- F04D29/281—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps for fans or blowers
- F04D29/282—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps for fans or blowers the leading edge of each vane being substantially parallel to the rotation axis
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
- F04D29/666—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps by means of rotor construction or layout, e.g. unequal distribution of blades or vanes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/26—Rotors specially for elastic fluids
- F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
- F04D29/288—Part of the wheel having an ejecting effect, e.g. being bladeless diffuser
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/4206—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
- F04D29/4226—Fan casings
- F04D29/4253—Fan casings with axial entry and discharge
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2250/00—Geometry
- F05D2250/60—Structure; Surface texture
- F05D2250/61—Structure; Surface texture corrugated
- F05D2250/611—Structure; Surface texture corrugated undulated
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2250/00—Geometry
- F05D2250/70—Shape
- F05D2250/71—Shape curved
- F05D2250/711—Shape curved convex
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2250/00—Geometry
- F05D2250/70—Shape
- F05D2250/71—Shape curved
- F05D2250/712—Shape curved concave
Abstract
A kind of air agitates system (4), comprising: surround the centrifugal propeller (7) of rotation axis (A) rotary moveable, the centrifugal propeller (7) includes the multiple propeller blades (8) for being configured for generating air stream, it further include base plate (9), the base plate (9) includes the first plate face (9.1) and the second plate face (9.2), the propeller blade (8) is raised in first plate face (9.1), and second plate face (9.2) and first plate face (9.1) are opposite；With driving motor (18), the driving motor (18) is configured for that the centrifugal propeller (7) is driven to rotate around rotation axis (A)；The base plate (9) includes multiple round and concentric beads (14), and the multiple beads includes the beads (14.1) of at least one recess and the beads (14.2) of at least one protrusion；The base plate (9) includes peripheral portion (12), and the peripheral portion (12) and the propeller blade relatively and are roughly parallel to the rotation axis (A) of the centrifugal propeller (7) and extend；It is characterized in that, the base plate (9) includes center portion (11), the center portion (11) includes the multiple beads, and the rotation axis (A) that the center portion (11) of the base plate (9) is approximately perpendicular to the centrifugal propeller (7) extends.
Description
Technical field
The present invention relates to a kind of air to agitate system, and the household appliance of system is agitated including this air.
Background technique
A kind of air assembling household appliance such as hair dryer agitates the system to include: in known manner
The centrifugal propeller of rotation axis rotary moveable is surrounded, the centrifugal propeller includes being configured for generating sky
Multiple propeller blades of air-flow, further include base plate, and the base plate includes the first plate face and the second plate face, the propeller
Blade is raised in first plate face, and second plate face is opposite with first plate face, and
Driving motor, the driving motor are configured for driving centrifugal propeller and rotate around rotation axis.
When this air, which agitates the centrifugal propeller of system to be driven by driving motor, to be rotated, air is across air drum
The air of dynamic system enters region and is inhaled into, and subsequently optionally passes through heating element by the air stream that centrifugal propeller generates
(when the air agitates system to assemble hair dryer) is transported to the output area that the air agitates system.By optionally not
The air with degree heated is finally agitated outside to household appliance, here when the air agitates system assembly blowing
When machine, air for example can be used to dry up the hair of user.
However, the air of the type design agitates system, still performance is insufficient in terms of sound.In fact, the air is agitated
System design generate loud noise the reason of in particular, in that driving motor and centrifugal propeller high speed rotation.
Summary of the invention
It is an object of the invention to partly or wholly overcome these defects.
Technical problem of the invention therefore that, a kind of air is provided and agitates system, the air agitates the structure of system
It is simple and economical, and allow to reduce the noise effect for agitating system to generate by the air simultaneously.
Therefore, the present invention relates to a kind of air to agitate system comprising:
The centrifugal propeller of rotation axis rotary moveable is surrounded, the centrifugal propeller includes being configured for generating sky
Multiple propeller blades of air-flow, further include base plate, and the base plate includes the first plate face and the second plate face, the propeller
Blade is raised in first plate face, and second plate face is opposite with first plate face, and
Driving motor, the driving motor are configured for driving centrifugal propeller and rotate around rotation axis,
It is characterized in that, the base plate includes multiple round and concentric beads, the multiple beads includes extremely
The beads of a few recess and the beads of at least one protrusion.
This configuration of base plate is exclusively used in being formed at the multiple beads and be vortexed, this allows to accelerate by screw blade
The air that piece is agitated, and significantly limit the stress applied to centrifugal propeller simultaneously and therefore agitate system work to produce by air
Raw noise.
Therefore, air according to the present invention agitates system to allow to agitate air in a manner of quiet or relatively quiet, and
System compared with the existing technology also has improved performance.
In the present invention, term beads refers to that the raised or sunken part of base plate, the part have wavy shape
And upward or be rounding (arrondie) downward, that is to say, that towards the propeller blade (raised part)
Or towards the opposite direction (part of recess) of propeller blade be rounding.
In other words, it includes one or several that base plate according to the present invention, which is not flat and since its first plate face,
The part of spill, that is to say, that the part of recess and one or several parts floated, that is to say, that raised part.
The air agitates system that can also have one or several following characteristics, these features can deposit either individually or in combination
?.
A kind of embodiment according to the present invention, the top of the beads of at least one protrusion be parallel to it is described from
The bottom that rectangular projection on the projection axis of the rotation axis of heart propeller is located at the beads of at least one recess exists
The upstream end of rectangular projection on the projection axis passes through the air relative to the air stream generated by the centrifugal propeller
Agitate the flow direction of system.Such as, it is contemplated that the rotation axis of the propeller limits a longitudinal axis, the longitudinal axis
The positive direction of line is given by the flowing of air.If by the top of the beads of each protrusion and the beads of recess in the axis
Upper projection, then the top of the beads of the protrusion is projected on the axis, in air-flow direction, is located at described recessed
The front of the projection on the top of sunken beads.
The beads of a kind of embodiment according to the present invention, at least one recess has the in-profile of rounding,
And the beads of at least one protrusion has the exterior contour of rounding.
A kind of embodiment according to the present invention, it includes entering region and output area that the air, which agitates system, described
Centrifugal propeller is configured for being passed into region sucking air, and air agitate system to be configured for will be by centrifugal spiral
The air flow delivery that paddle generates is to output area.
A kind of embodiment according to the present invention, the top of the beads of at least one protrusion is on projection axis
Rectangular projection is more closer than rectangular projection of the bottom of the beads of at least one recess on the projection axis to be entered
Region.
A kind of embodiment according to the present invention, the multiple beads include being arranged between two raised beads
At least one recess beads.
A kind of embodiment according to the present invention, the multiple beads include the beads and a protrusion of a recess
Beads, the beads of the protrusion than the recess beads further from centrifugal propeller rotation axis.
A kind of embodiment according to the present invention, the multiple beads include an outermost beads, it is described most
External beads is located at the periphery of the base plate, and the outermost beads is raised.In the week of base plate
Side nearby, that is allows to orient in the axial direction near the external margin of base plate in the presence of the fact that the beads of protrusion
Air stream.
A kind of embodiment according to the present invention, when the multiple beads includes that the beads being recessed and one are convex
When the beads risen, the beads of the protrusion forms outermost beads.
A kind of embodiment according to the present invention, it is described at least one protrusion beads height and it is described at least one
The height of the beads of recess is different.
A kind of embodiment according to the present invention, it is described at least one protrusion beads radius size and it is described at least
The radius size of the beads of one recess is different.
A kind of embodiment according to the present invention, each beads in the multiple beads have the transversal of curve
Face.
A kind of embodiment according to the present invention, it is described at least one protrusion beads cross section radius of curvature with
The radius of curvature of the cross section of the beads of at least one recess is different, and be, for example, less than it is described at least one be recessed
The radius of curvature of the cross section of beads.In other words, according to the embodiment, the wave of the beads of the recess and the protrusion
The radius of curvature in shape portion is different.Advantageously, radius of curvature is gradually reduced towards outside, this allows with flying colors, and reconstruction wave is in the medium
Natural trend, such as after having thrown away one block of stone, wave is propagated on the water surface.This especially allows to reduce the noise waves generated.
In other words, the beads positioned at the outside of base plate is less prominent more obvious than the beads in front of it, in center direction, in
Be that can deduce: for beads closer to the center of base plate, radius of curvature is bigger, that is to say, that beads is more prominent obvious.Together
Reason, for beads further away from the center of base plate, radius of curvature is smaller, that is to say, that beads is more not prominent obvious.
A kind of embodiment according to the present invention, the base plate further include center portion, and the center portion includes institute
Multiple beads are stated, the rotation axis that the center portion of the base plate is approximately perpendicular to centrifugal propeller extends.In other words, institute
It states base plate substantially only to extend along the direction for being approximately perpendicular to rotation axis, this allows to limit propeller edge and is parallel to rotation
The volume of axis direction, and retain good validity simultaneously.Therefore, the case where this propeller uses in home appliance
In, such as in use, the total length of this permission limiting device in hair dryer.
A kind of embodiment according to the present invention, base plate include peripheral portion, the peripheral portion and the propeller
Blade relatively and be roughly parallel to the centrifugal propeller rotation axis extend.In other words, according to the embodiment, institute
It states peripheral portion and is roughly parallel to the rotation axis of the propeller and convex in direction identical with the flow direction of air stream
It rises.Therefore the side of the base plate turns down or is bent in the flow direction of air stream, and be roughly parallel to propeller simultaneously
Rotation axis.These settings allow to orient along the direction for the rotation axis for being parallel to centrifugal propeller at least part of by centrifugation spiral shell
The air stream that paddle generates is revolved, and therefore reduces the noise for agitating system work to generate by air according to the present invention.Alternatively,
Peripheral portion is tilted towards rotation axis, to guide air stream towards rotation axis.
A kind of embodiment according to the present invention, the peripheral portion extend around center portion.
Advantageously, prolong in the extension of a raised beads of the peripheral portion in the multiple beads
It stretches.
A kind of embodiment according to the present invention, the base plate have generally circular shape.
A kind of embodiment according to the present invention, the propeller blade are configured to two adjacent propeller blades
The distance between increase from the rotation axis of the centrifugal propeller towards the outer periphery of base plate, be preferably gradually increased.
A kind of embodiment according to the present invention, each propeller blade are curved, institute relative to respective radial line
State the rotation axis that respective radial line passes through centrifugal propeller.
A kind of embodiment according to the present invention, the base plate include reinforcing rib, and the reinforcing rib is convex from the second plate face
It rises.Advantageously, each reinforcing rib relative to centrifugal propeller rotation axis radially.
A kind of embodiment according to the present invention, it further includes cover that the air, which agitates system, and the cover is at least
Partly cover the propeller blade.
Advantageously, the cover and the base plate define interior chamber, and propeller blade is arranged in the interior chamber.
Advantageously, the cover includes that the center air led in the interior chamber enters opening.
A kind of embodiment according to the present invention, the cover and the base plate define an annular air and go out
Mouthful, it is coaxial that the air outlet slit of the annular can for example enter opening with center air.
The cover can be indistinguishably fixed or surround rotation axis activity by connecting with propeller blade
's.
A kind of embodiment according to the present invention, the cover have the shape substantially similar with the shape of base plate.
Advantageously, the cover includes multiple beads of round and concentric cover, multiple beads packets of the cover
The beads of the beads of the cover of at least one recess and the cover of at least one protrusion is included, the beads of the cover is preferably
The image of beads with base plate.The cover advantageouslys allow for dredging the air agitated by propeller blade, and
Air is received in the interior chamber between cover and the first plate face.
According to the preferred embodiment, the distance between cover and base plate are from the center of base plate towards base plate
Periphery successively decrease.In other words, the thickness of interior chamber is bigger than on its periphery in center, this allows to accelerate air stream towards periphery.
A kind of embodiment according to the present invention, it further includes driving motor that the air, which agitates system, the driving motor
Driving centrifugal propeller is configured for rotate around rotation axis.
A kind of embodiment according to the present invention, the driving motor include output shaft, and the output shaft and base plate connect
It is integrated rotation.
A kind of embodiment according to the present invention, the base plate include mounting hole, and the mounting hole is, for example, to penetrate through,
In the output shaft for being wherein mounted with driving motor.
A kind of embodiment according to the present invention, it includes motor radome fairing that the air, which agitates system, and driving motor is at least
It is partially disposed in the motor radome fairing.
A kind of embodiment according to the present invention, the motor radome fairing include first around a circle towards centrifugal propeller
End sections and the second end part opposite with the first end part, the first end part have substantially with basis
The equal overall diameter of the overall diameter of plate.
A kind of embodiment according to the present invention, the motor radome fairing, which has from first end, is partially toward the second end
The overall diameter that part reduces, and especially reduce on the direction of output area.
A kind of embodiment according to the present invention, the motor radome fairing, which at least partly defines one, has annular cross sectional
The air flow groove road in face.
A kind of embodiment according to the present invention, it includes external fairings that the air, which agitates system, the external rectification
Cover extends around motor radome fairing, and the external fairings and motor radome fairing define the air flow groove road.
A kind of embodiment according to the present invention, the external fairings have the cross reduced on the direction of output area
Section.
A kind of embodiment according to the present invention, it further includes air stream correction unit, the air that the air, which agitates system,
Stream correction unit is configured for correcting the air stream generated by the centrifugal propeller, and can be also advantageously used for guiding the air
Stream.These settings especially allow to fight the tangential component of the flowing velocity of the air stream generated by centrifugal propeller, and therefore
It is further reduced the noise that air according to the present invention agitates the work of system to generate, and further increases the air and agitates
The performance of system.
A kind of embodiment according to the present invention, relative to the flow direction of the air stream generated by centrifugal propeller, institute
State the downstream that air stream correction unit is located at centrifugal propeller.
A kind of embodiment according to the present invention, the air stream correction unit include at least one correction blade.
A kind of embodiment according to the present invention, at least one described correction blade have the shape of spiral.
A kind of embodiment according to the present invention, at least one described correction blade are configured for correction by centrifugal spiral
The air stream that paddle generates is substantially in axially direction.
A kind of embodiment according to the present invention, at least one described correction blade extend in air flow groove road.
A kind of embodiment according to the present invention, at least one described correction blade prolong from the outer surface of motor radome fairing
It stretches.
A kind of embodiment according to the present invention, at least one described correction blade is connect with external fairings, described outer
Portion's radome fairing extends around the motor radome fairing.
A kind of embodiment according to the present invention, it includes heating device that the air, which agitates system, the heating device quilt
It is configured to heat the air stream generated by centrifugal propeller.
A kind of embodiment according to the present invention, the heating device include resistance.
The downstream of centrifugal propeller is arranged in a kind of embodiment according to the present invention, the heating device, and preferably
Ground is in the downstream of air stream correction unit, in other words, air flowing direction in, positioned at centrifugal propeller rear and preferably
Ground is at the rear of air stream correction unit.
A kind of embodiment according to the present invention, the heating device may be provided in air flow groove road.
A kind of embodiment according to the present invention, it is air intake system or air push system that the air, which agitates system,
System.
The invention further relates to a kind of household appliance, the household appliance includes that air according to the present invention agitates system.
A kind of embodiment according to the present invention, the household appliance are hair dryers.
A kind of embodiment according to the present invention, the household appliance are dust catchers.
Detailed description of the invention
Anyway, the reality of system is agitated by reading the air shown below with reference to attached drawing and in a non-limiting manner
Mode is applied, the present invention is better understood with, in the accompanying drawings:
- Fig. 1 is the partial sectional view of hair dryer, and the hair dryer includes air according to the first embodiment of the present invention
Agitate system.
- Fig. 2 is the cross-sectional view that air according to the second embodiment of the present invention agitates system, is particularly shown system
Propeller.
- Fig. 3 is the cross-sectional view that air according to the third embodiment of the present invention agitates system, is particularly shown system
Propeller.
- Fig. 4 is the partial cross-sectional perspective view of hair dryer, and the hair dryer includes according to the fourth embodiment of the present invention
Air agitates system.
Specific embodiment
Fig. 1 and Fig. 4 shows hair dryer 2, and the hair dryer 2 includes that hollow body 3 and air agitate system 4, the air
System 4 is agitated to be at least partially received in the hollow body 3.
As shown in Figures 1 to 4, it includes that air enters region 5, air output area that the air, which agitates system 4 more specifically,
Domain 6 and centrifugal propeller 7, the centrifugal propeller 7 also entitled centrifugal fan, and be arranged and enter region 5 and sky in the air
Between gas output area 6.
The centrifugal propeller 7 surrounds rotation axis A rotary moveable, and as shown in Figures 1 to 4, including is configured to use
In the multiple propeller blades 8 for generating air stream.The centrifugal propeller 7 be more specifically configured for across the air into
Enter region 5 and sucks air, and the air agitates system 4 to be configured for the air stream that will be generated by the centrifugal propeller 7
It is transported to the air output zones 6.
Advantageously, each propeller blade 8 is curved relative to respective radial line, and the respective radial line passes through
The rotation axis A of centrifugal propeller 7.Advantageously, the propeller blade 8 is configured to two adjacent propeller blades 8
The distance between increase from the rotation axis A of the centrifugal propeller 7 towards the outer periphery of centrifugal propeller 7, preferably by
It is cumulative big.
The centrifugal propeller 7 further includes base plate 9, and the base plate 9 includes the first plate face 9.1 and the second plate face 9.2,
The propeller blade 8 is raised in the first plate face 9.1, and second plate face 9.2 is opposite with first plate face 9.1.Preferably,
First plate face 9.1 enters region 5 towards the air and orients, and second plate face 9.2 is towards the air output area
Domain 6 orients.Advantageously, the base plate 9 has generally circular shape.The diameter of the base plate 9 for example between 2cm and
Between 30cm and it is preferably ranges between 4cm and 10cm.
The base plate 9 more specifically includes center portion 11 and peripheral portion 12, and the center portion 11 is substantially vertical
Extend in the rotation axis A of the centrifugal propeller 7, and the peripheral portion 12 around center portion 11 and is roughly parallel to
The rotation axis A of the centrifugal propeller 7 extends.Therefore formation length is preferably ranges between 2mm and 20mm to the peripheral portion 12
Between edge, the edge is from base plate 9 along the direction for the rotation axis for being roughly parallel to centrifugal propeller 7 and in air stream
Flow direction on protrusion.
According to fig. 2 with embodiment shown in Fig. 3, the base plate 9 further includes reinforcing rib 13,13 protrusion of reinforcing rib
In the second plate face 9.2.Advantageously, each reinforcing rib 13 relative to centrifugal propeller 7 rotation axis A radially, and
Different reinforcing ribs 13 is regularly distributed around the rotation axis A of the centrifugal propeller 7.These reinforcing ribs 13 help to improve
The mechanical strength of the base plate 9 and especially improve its rigidity, therefore allow to minimize any vibration of the base plate 9
Risk.
As shown in Figures 1 to 4, the base plate 9 further includes multiple round and concentric beads 14, the multiple wavy
Portion 14 is centered at the rotation axis A of centrifugal propeller 7.The different beads 14 is more specifically imagined in the base plate 9
Center portion 11 on.Therefore the base plate 9 forms the disk including multiple beads 14.
The embodiment according to shown in Fig. 1 to Fig. 4, the multiple beads include the beads 14.1 and protrusion of recess
Beads 14.2, the beads 14.2 of the protrusion is than the beads 14.1 of the recess further from the centrifugal propeller 7
Rotation axis A.Advantageously, the beads 14.2 of the protrusion is located at the periphery of the base plate 9, and by the periphery
Part 12 extends.
Each beads 14 in the multiple beads is advantageously with the cross section of curve.The beads of the protrusion
The radius of curvature of 14.2 cross section can be for example different from the radius of curvature of cross section of beads 14.1 of the recess, and
The radius of curvature of the cross section of the beads 14.1 of the especially less than described recess.
Advantageously, the top of the beads 14.2 of the protrusion is being parallel to the rotation axis A's of the centrifugal propeller 7
Rectangular projection on projection axis is located at rectangular projection of the bottom of the beads 14.1 of the recess on the projection axis
Upstream end, and it is therefore closer more empty than rectangular projection of the bottom of the beads 14.1 of the recess on the projection axis
Gas enters region 5.According to Fig. 1 and Fig. 2 shows embodiment, the centrifugal propeller 7 further includes cover 15, the covering
15 covering of the cover propeller blade 8 and base plate 9.The cover 15 is linked together with the propeller blade 8.Change speech
It, the cover 15, the propeller blade 8 and base plate 9 are linked together to be rotated around rotation axis A.The cover
15 and the base plate 9 define an interior chamber 16, propeller blade 8 is arranged in the interior chamber 16.Advantageously, described to cover
Housing 15 includes that the center air led in the interior chamber 16 enters opening 17.1, and the cover 15 and the basis
Plate 9 defines a ring-shaped air outlet 17.2, and the ring-shaped air outlet 17.2 preferably enters opening 17.1 with center air
It is coaxial.
Preferably, the cover 15 has multiple beads, and has identical with the beads of the base plate
Beads.More specifically, the normal of the beads of the cover 15 is to be overlapped with the normal of the beads of the base plate 9
's.Advantageously, the distance between the cover 15 and the base plate from base plate 9 center towards its periphery be to successively decrease
's.More specifically, the length of normal degree of the beads of the cover 15 with towards the periphery of the cover 15 extend and
Reduce.
The difference of embodiment shown in Fig. 2 and embodiment shown in FIG. 1 is, 14.1 He of beads of the recess
The beads 14.2 of protrusion is bigger, or more prominent obvious.In other words, the beads of the recess of embodiment according to fig. 2
14.1 and protrusion beads 14.2 in each beads radius of curvature than the wave according to the recess of Fig. 1 embodiment
The radius of curvature of each beads in the beads 14.2 of shape portion 14.1 and protrusion is bigger.It is sent out according to Fig. 3 and shown in Fig. 4
Bright embodiment, the centrifugal propeller 7 do not have cover 15.The cover 15 is in being integrated in hollow body 3 simultaneously
It and is therefore fixed.However, every other feature relevant to the cover 15 (at a distance from beads, with base plate 9)
It also keeps existing in these embodiments.According to these embodiments, between the end of propeller blade 8 and cover 15
The advantageously constant and preferably less than 3mm of distance.
It further includes driving motor 18 that the air, which agitates system 4, and the driving motor 18 is configured for driving centrifugation spiral shell
Paddle 7 is revolved to rotate around rotation axis A.The driving motor 18 more specifically includes output shaft 19, the output shaft 19 and basis
Plate 9 is linked together rotation.As shown in Figures 1 to 4, the base plate 9 includes mounting hole 20, and the mounting hole 20 is, for example, to penetrate through
, the output shaft 19 of driving motor 18 is installed in the mounting hole 20.The mounting hole 20 is advantageously arranged in the basis
The center of plate 9.Advantageously, the mounting hole 20 is enclosed by the protrusion or installation sleeve 20.1 that are located at the center of the base plate 9
Around the thickness of the installation sleeve 20.1 is bigger than the thickness of the center portion 11 of base plate 9, so that Basis of Optimum plate 9 is driving
Fixation on the output shaft 19 of dynamic motor 18.
As shown in Figures 1 to 4, the base plate 9 has the overall shape of dish type, and the base plate 9 includes and the spiral shell
Revolve the opposite peripheral portion 12 extended of paddle blade.In other words, the external edge of the disk be fold so as to formed be raised in it is described
The coronal on the periphery of base plate 9, also, the center of the disk includes installation sleeve, and place includes mounting hole 20 at its center.
According to Fig. 1 to embodiment shown in Fig. 3, the direction that the first recess beads starts from the installation sleeve 20.1 is empty
Gas enters the top of the orientation of region 5.
It further includes motor radome fairing 21 that air, which agitates system 4, and the driving motor 18 is at least partially disposed on the electricity
In machine radome fairing 21.The motor radome fairing 21 include towards centrifugal propeller 7 around one circle first end part 21.1 and with
The opposite the second end part 21.2 enclosed towards air output zones 6 around one in the first end part 21.1.Advantageously,
One end portion 21.1 has the overall diameter roughly equal with the overall diameter of base plate 9, and the motor radome fairing 21 is outer
Diameter reduces from first end part 21.1 towards the second end part 21.2, that is to say, that in the direction of air output zones 6
Upper reduction.
As shown in Figure 1 (but in being not limited to this embodiment), it further includes external fairings 22 that the air, which agitates system 4,
The external fairings 22 are set around motor radome fairing 21.The external fairings 22 and motor radome fairing 21 define one
Air flow groove road 23, the air flow groove road 23 have the cross section of annular, and the air generated by centrifugal propeller 7
Stream is intended to flow through the air flow groove road 23.Advantageously, the external fairings 22 have in the side of air output zones 6
The cross section reduced upwards.
The another embodiment (it is not shown) of system 4 is agitated according to air, which agitates system 4 can not
With external fairings, the air flow groove road 23 will then be defined by the motor radome fairing 21 and the hollow body 3.
It further includes the air stream correction unit 24 at the downstream of centrifugal propeller 7, the sky that the air, which agitates system 4,
Air-flow correction unit 24 is configured for correcting the air stream generated by the centrifugal propeller 7, and is preferably also also used to guide
The air stream.The air stream correction unit 24 is for example on Fig. 1 as it can be seen that but also compatible with other embodiments of the present invention.It is described
Air stream correction unit 24 includes one or more correction blades 25, and one or more of correction blades 25 are in air flow groove road
Extend in 23.The correction blade 25 or each correction blade 25 can be for example arranged advantageously with the shape of spiral
To be raised in the outer surface of motor radome fairing 21.The 25 or each correction blade 25 of correction blade can also be with external fairings
22 connections, to reinforce the rigidity that the air agitates system 4.
It further includes that the heating device 26 being located at the downstream of centrifugal propeller 7 (is such as schemed that the air, which agitates system 4 preferably,
Shown in 1, but also compatible with other embodiment), the heating device 26 is configured for heating to be generated by centrifugal propeller 7
Air stream.The heating device 26 can for example including resistance, and be located at the air flow groove road 23 in or be located at motor it is whole
At the downstream for flowing cover.
Finally, it includes control mechanism (not shown) that the air, which agitates system 4, the control mechanism is configured for
Control the work of driving motor 18 and/or adding thermal resistance 26, and/or rotation speed for adjusting driving motor 18 and/
Or the heating temperature of heating device 26, according to embodiment known per se.
When the air agitate the centrifugal propeller 7 of system 4 by driving motor 18 drive rotate when, air pass through air into
Enter the air stream that region 5 is inhaled into, and is generated by propeller blade 8 to be accelerated by base plate 9, and later by air stream correction unit
24 corrections and guidance, are transported to air output zones 6 by heating device 26 later.The air heated in various degree is most
Agitated the outside to hair dryer eventually to dry up the hair of user.
Fig. 1 shows a kind of hair dryer for being assembled with first embodiment according to the present invention.It is apparent that the hair dryer, or
Any other household appliance can assemble air and agitate system without beyond the scope of this invention, and for example, with unrestricted side
Formula assembly air as shown in Fig. 2,3 or 4 agitates system.
Fig. 4 shows the air intake of hair dryer according to the fourth embodiment of the present invention, with Fig. 1 to shown in Fig. 3
Hair dryer difference is that multiple beads include the beads 14.1 of a recess, and the setting of beads 14.1 of the recess is outside
Between the raised beads 14.2 in portion and the raised beads 14.3 of inside.Advantageously, especially increase base plate 9 if imagined
Diameter, then it is contemplated that increasing the quantity of the beads 14 on base plate 9.
According to another embodiment not shown in the figure, the air agitates system 4 that can form air intake system, and
Assemble another household appliance, such as dust catcher.
Certainly, the present invention is not limited to agitate the embodiment of system above with the air that embodiment provides, but cover
Any implementation variation example.
Claims (15)
1. a kind of air agitates system (4) comprising:
The centrifugal propeller (7) of rotation axis (A) rotary moveable is surrounded, the centrifugal propeller (7) includes being configured for producing
Multiple propeller blades (8) of raw air stream, further include base plate (9), the base plate (9) include the first plate face (9.1) and
Second plate face (9.2), the propeller blade (8) are raised in first plate face (9.1), second plate face (9.2) and institute
State the first plate face (9.1) relatively, and
Driving motor (18), the driving motor (18) are configured for driving the centrifugal propeller (7) around rotation axis
(A) it rotates,
The base plate (9) includes that multiple round and concentric beads (14), the multiple beads include that at least one is recessed
The beads (14.2) of sunken beads (14.1) and at least one protrusion,
The base plate (9) includes peripheral portion (12), the peripheral portion (12) and the propeller blade relatively and
The rotation axis (A) for being roughly parallel to the centrifugal propeller (7) extends,
It is characterized in that, the base plate (9) includes center portion (11), the center portion (11) includes the multiple wavy
Portion, the rotation axis (A) that the center portion (11) of the base plate (9) is approximately perpendicular to the centrifugal propeller (7) extend.
2. air according to claim 1 agitates system (4), which is characterized in that the beads of at least one protrusion
(14.2) rectangular projection of the top on the projection axis for being parallel to the rotation axis of the centrifugal propeller (7) (A) is located at
The upstream end of rectangular projection of the bottom of the beads (14.1) of at least one recess on the projection axis, relative to
The air stream that the centrifugal propeller (7) generates passes through the flow direction that the air agitates system (4).
3. air according to any one of claim 1 or 2 agitates system (4), which is characterized in that the multiple beads
Including an outermost beads (14.2), the outermost beads (14.2) is located at the periphery of the base plate (9)
Near, the outermost beads is raised.
4. air according to any one of claim 1 to 3 agitates system (4), which is characterized in that the multiple beads
In each beads (14) have curve cross section.
5. air according to any one of claim 1 to 4 agitates system (4), which is characterized in that described at least one is convex
The cross section of the beads (14.1) of the radius of curvature of the cross section of the beads (14.2) risen and at least one recess
Radius of curvature is different.
6. air according to any one of claim 1 to 5 agitates system (4), which is characterized in that the air, which is agitated, is
System (4) further includes cover (15), and the cover (15) at least partly covers the propeller blade (8).
7. air according to claim 6 agitates system (4), which is characterized in that the cover (15) and the spiral
Paddle blade (8) connects and surrounds the rotation axis (A) rotary moveable.
8. air according to claim 6 agitates system (4), which is characterized in that the cover (15) is fixed.
9. the air according to any one of claim 6 to 8 agitates system (4), which is characterized in that the cover (15)
The distance between described base plate (9) successively decreases from the center of the base plate (9) towards the periphery of the base plate (9).
10. air according to any one of claims 6 to 9 agitates system (4), which is characterized in that the cover
(15) there is shape substantially similar with the shape of the base plate.
11. the air according to any one of claim 6 to 10 agitates system (4), which is characterized in that the cover
It (15) include round and multiple covers with one heart beads, the beads of the multiple cover includes the wave of the cover of at least one recess
The beads of the cover of shape portion and at least one protrusion.
12. air according to any one of claim 1 to 11 agitates system (4), which is characterized in that the air is agitated
System (4) further includes air stream correction unit (24), and the air stream correction unit (24) is configured for correction by the centrifugation spiral shell
Revolve the air stream that paddle (7) generate.
13. air according to claim 12 agitates system (4), which is characterized in that air stream correction unit (24) packet
At least one correction blade (25) is included, at least one described correction blade (25) is advantageously with the shape of spiral.
14. air according to any one of claim 1 to 13 agitates system (4), which is characterized in that the air is agitated
System (4) includes heating device (26), and the heating device (26) is configured for heating and is generated by the centrifugal propeller (7)
Air stream.
15. a kind of household appliance comprising agitate system (4) to air described in any one of 14 according to claim 1.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR1760648A FR3073580B1 (en) | 2017-11-13 | 2017-11-13 | AIR MOVEMENT SYSTEM |
| FR1760648 | 2017-11-13 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109779932A true CN109779932A (en) | 2019-05-21 |
| CN109779932B CN109779932B (en) | 2022-06-21 |
Family
ID=60923720
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811345867.5A Active CN109779932B (en) | 2017-11-13 | 2018-11-13 | Air blast system |
| CN201821863804.4U Active CN209704870U (en) | 2017-11-13 | 2018-11-13 | Air agitates system and the household appliance including it |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821863804.4U Active CN209704870U (en) | 2017-11-13 | 2018-11-13 | Air agitates system and the household appliance including it |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP3710710A1 (en) |
| CN (2) | CN109779932B (en) |
| FR (1) | FR3073580B1 (en) |
| WO (1) | WO2019092358A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112334665A (en) * | 2019-05-31 | 2021-02-05 | 开利公司 | Mixed-flow compressor configuration for refrigeration system |
| CN113074127A (en) * | 2020-01-06 | 2021-07-06 | 广东威灵电机制造有限公司 | Air supply device and dust collector |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102019134354A1 (en) * | 2019-12-13 | 2021-06-17 | Bedek GmbH & Co. KG | Electric motor device with an electric motor and an integral fan device |
| US11668314B2 (en) | 2020-11-10 | 2023-06-06 | Greenheck Fan Corporation | Efficient fan assembly |
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| US1447916A (en) * | 1920-12-18 | 1923-03-06 | American Blower Co | Centrifugal fan |
| WO2000006911A1 (en) * | 1998-07-28 | 2000-02-10 | Willy Vogel Ag | Gas compressor |
| FR2874241A1 (en) * | 2004-08-16 | 2006-02-17 | Max Sardou | Centrifugal impeller for pump and centrifugal blower, has hub and ring including trailing edge radii greater than trailing edge radii of truncated blade for closing of slipstream and detent of circulating fluid |
| CN105077956A (en) * | 2014-05-21 | 2015-11-25 | 三发电器制造厂有限公司 | Hair dryer |
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| JP3123288B2 (en) * | 1993-03-02 | 2001-01-09 | 松下電器産業株式会社 | Electric blower |
| DE102012106411A1 (en) * | 2012-07-17 | 2014-01-23 | Ruck Ventilatoren Gmbh | Diagonal impeller for a diagonal fan and diagonal fan |
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2017
- 2017-11-13 FR FR1760648A patent/FR3073580B1/en active Active
-
2018
- 2018-11-06 WO PCT/FR2018/052744 patent/WO2019092358A1/en unknown
- 2018-11-06 EP EP18812240.2A patent/EP3710710A1/en active Pending
- 2018-11-13 CN CN201811345867.5A patent/CN109779932B/en active Active
- 2018-11-13 CN CN201821863804.4U patent/CN209704870U/en active Active
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|---|---|---|---|---|
| US1447916A (en) * | 1920-12-18 | 1923-03-06 | American Blower Co | Centrifugal fan |
| WO2000006911A1 (en) * | 1998-07-28 | 2000-02-10 | Willy Vogel Ag | Gas compressor |
| FR2874241A1 (en) * | 2004-08-16 | 2006-02-17 | Max Sardou | Centrifugal impeller for pump and centrifugal blower, has hub and ring including trailing edge radii greater than trailing edge radii of truncated blade for closing of slipstream and detent of circulating fluid |
| CN106377043A (en) * | 2012-08-31 | 2017-02-08 | 夏普株式会社 | Blower device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112334665A (en) * | 2019-05-31 | 2021-02-05 | 开利公司 | Mixed-flow compressor configuration for refrigeration system |
| CN112334665B (en) * | 2019-05-31 | 2022-09-13 | 开利公司 | Mixed-flow compressor configuration for refrigeration system |
| US11585347B2 (en) | 2019-05-31 | 2023-02-21 | Carrier Corporation | Mixed-flow compressor configuration for a refrigeration system |
| CN113074127A (en) * | 2020-01-06 | 2021-07-06 | 广东威灵电机制造有限公司 | Air supply device and dust collector |
| CN113074127B (en) * | 2020-01-06 | 2023-02-03 | 广东威灵电机制造有限公司 | Air supply device and dust collector |
Also Published As
| Publication number | Publication date |
|---|---|
| CN209704870U (en) | 2019-11-29 |
| CN109779932B (en) | 2022-06-21 |
| EP3710710A1 (en) | 2020-09-23 |
| WO2019092358A1 (en) | 2019-05-16 |
| FR3073580A1 (en) | 2019-05-17 |
| FR3073580B1 (en) | 2021-11-19 |
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