CN105782119A - Fixed impeller assembly of motor and dust collector provided with fixed impeller assembly - Google Patents
Fixed impeller assembly of motor and dust collector provided with fixed impeller assembly Download PDFInfo
- Publication number
- CN105782119A CN105782119A CN201610065529.0A CN201610065529A CN105782119A CN 105782119 A CN105782119 A CN 105782119A CN 201610065529 A CN201610065529 A CN 201610065529A CN 105782119 A CN105782119 A CN 105782119A
- Authority
- CN
- China
- Prior art keywords
- impeller assembly
- chassis
- lunar halo
- motor
- motor according
- 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
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/44—Fluid-guiding means, e.g. diffusers
- F04D29/441—Fluid-guiding means, e.g. diffusers especially adapted for elastic fluid pumps
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
- A47L9/28—Installation of the electric equipment, e.g. adaptation or attachment to the suction cleaner; Controlling suction cleaners by electric means
- A47L9/2868—Arrangements for power supply of vacuum cleaners or the accessories thereof
-
- 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
- F04D29/663—Sound attenuation
- F04D29/664—Sound attenuation by means of sound absorbing material
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a fixed impeller assembly of a motor and a dust collector provided with the fixed impeller assembly. The fixed impeller assembly of the motor comprises a chassis, blades, an air collecting ring and noise reduction parts. The blades are arranged on the chassis. The multiple annular blades are arranged at intervals in the peripheral direction of the chassis. The blades extend to the inner side in an inclined manner in the peripheral direction of the chassis. The noise reduction parts cover the multiple blades in a sealing manner. The noise reduction parts and the chassis are matched to form air channels between two corresponding and adjacent blades. The air collecting ring is connected with the chassis and presses the noise reduction parts. According to the fixed impeller assembly of the motor, as locating convex ribs are arranged on the combination portions of a fixed impeller and the air collecting ring, full combination force between the fixed impeller and the air collecting ring can be ensured, thus, the welding sequence in the related technology can be omitted, and cost is reduced. In addition, the air collecting ring enables air flow to be centralized, the air flowing speed of the air flow can be decreased by means of the noise reduction parts, noise can be lowered effectively, and temperature rise can also be decreased.
Description
Technical field
The present invention relates to household electrical appliance technical field, particularly relate to determining impeller assembly and there is its vacuum cleaner of a kind of motor.
Background technology
Figure 12 and Figure 13 is the schematic diagram determining impeller assembly in correlation technique, and the series excited machine used by vacuum cleaner is high due to its rotating speed, and noise problem is constantly subjected to denounce, for this, in vacuum cleaner, reduce noise frequently with various acoustic element and fan housing.But, on hand-held and push rod vacuum cleaner, owing to the volume of motor is little, there is no again fan housing structure so that the reliability of motor is relatively low, temperature rise, and because air channel is exposed, noise is significantly high so that the noise reduction of motor is just increasingly difficult.
It addition, correlation technique determine in impeller assembly, the opening part radian determining impeller is bigger than normal, and air channel is broadened gradually by narrow, and overall arc length is partially short, and noise is bigger than normal.
Summary of the invention
It is contemplated that one of technical problem solved at least to a certain extent in correlation technique.For this, first aspect present invention is in that to propose the impeller assembly of determining of a kind of motor, the noise reduction determining impeller assembly of described motor.
Second aspect present invention is in that to propose a kind of vacuum cleaner, and what described vacuum cleaner was provided with above-mentioned motor determines impeller assembly.
According to a first aspect of the present invention the motor of embodiment determine impeller assembly, including chassis, blade, collection solar or lunar halo and acoustic element.Described blade is located on described chassis, and the circumferentially-spaced layout that described blade includes along described chassis is ringwise multiple, and described blade along the circumferential of described chassis and tilts to extend to the inside；Described acoustic element is sealed on multiple described blade, and described acoustic element coordinates formation air channel between two often adjacent described blades with described chassis；Described collection solar or lunar halo is connected with described chassis and compresses described acoustic element.
Motor according to embodiments of the present invention determine impeller assembly, can ensure that determine, between impeller and collection solar or lunar halo, there is sufficient adhesion by arranging location convex tendon in the junction determining impeller and collection solar or lunar halo, such that it is able to the welding sequence economized in de-correlation technique, reduce cost.It addition, collection solar or lunar halo can make in air flow collection, air-flow can make air velocity reduce by acoustic element, such that it is able to effectively reduce noise, it is also possible to reduces temperature rise.
It addition, the determining impeller assembly and can also have following additional technical characteristic of motor according to the above embodiment of the present invention:
According to one embodiment of present invention, described chassis is provided with location convex tendon, and described collection solar or lunar halo engages with described location convex tendon.
Further, inner side that described location convex tendon includes being positioned at multiple described blade circumferentially spaced multiple along described chassis, the inner edge of described collection solar or lunar halo is formed with the locating notch corresponding with multiple described location convex tendon, and described location convex tendon engages with corresponding described locating notch.
Further, described location convex tendon and described locating notch interference fit.
Alternatively, described location convex tendon include being arranged symmetrically with about the RADIAL on described chassis two.
Alternatively, described location convex tendon includes: body, described body is located on described chassis and extends towards described collection solar or lunar halo, and the medial surface of described body is provided with the arched ribs being connected with described chassis, and the end face of described body is provided with the location division engaged with described locating notch.
According to one embodiment of present invention, the bottom surface of the entrance point in described air channel tilts to extend in along air intake is upwardly directed.
According to one embodiment of present invention, the interval, outer end of multiple described blades is arranged on predetermined circumference, multiple described blades extend in the same direction along described circumference and tilt towards described inside circumference, angle between described blade and described circumference is in the scope of 3 ° to 30 °, described blade radius of curvature everywhere is not less than 3/4ths of the radius of curvature of described circumference, and the length of described blade is not less than the radius of described circumference.
According to one embodiment of present invention, described determining impeller assembly and also include annular wheel hub, described annular wheel hub is around multiple described blades and is connected with multiple described blades respectively.
According to one embodiment of present invention, described collection solar or lunar halo includes annular connecting portion and annular wind collecting section, described annular wind collecting section is connected with the inner edge of described annular connecting portion and tilts to extend away from the described direction determining impeller to introversion, and described annular connecting portion compresses described acoustic element.
According to one embodiment of present invention, the edge, periphery of described collection solar or lunar halo is provided with determines impeller extension and ringwise location flange towards described, and described location flange is set in the outside of described acoustic element.
According to one embodiment of present invention, on described collection solar or lunar halo, the surface relative with the plurality of blade is provided with circumference rib and radial ribs, described circumference circumferentially extending along described collection solar or lunar halo of rib, described radial ribs includes being connected along the circumferentially spaced multiple of described annular connecting portion and with described circumference rib.
According to one embodiment of present invention, the inner edge of described collection solar or lunar halo is formed with the turn-up portion of annular.
According to one embodiment of present invention, described acoustic element is noise reduction sponge.
The vacuum cleaner of embodiment according to a second aspect of the present invention, including: fan housing, movable vane are taken turns, are determined impeller assembly and motor, and described fan housing is provided with inlet scoop；Described movable vane wheel is rotatably provided in described fan housing；Described determine the downstream that impeller assembly is located in described fan housing and is positioned at described movable vane wheel, described movable impeller component be motor described above determine impeller assembly；Described motor is located in described fan housing, and the output shaft of described motor determine impeller assembly and described movable vane and is taken turns through described and be connected.
Accompanying drawing explanation
Fig. 1 is the schematic diagram determining impeller assembly of the motor of the embodiment of the present invention.
Fig. 2 is a sectional view of Fig. 1.
Fig. 3 is the schematic diagram determining to determine in impeller assembly impeller of the motor of the embodiment of the present invention.
Fig. 4 is another schematic diagram determining to determine in impeller assembly impeller of the motor of the embodiment of the present invention.
Fig. 5 is the sectional view at A place in Fig. 4.
Fig. 6 is the schematic diagram determining to collect in impeller assembly solar or lunar halo of the motor of the embodiment of the present invention.
Fig. 7 is another schematic diagram determining to collect in impeller assembly solar or lunar halo of the motor of the embodiment of the present invention.
Fig. 8 be the motor of the embodiment of the present invention determine the schematic diagram of acoustic element in impeller assembly.
Fig. 9 is the schematic diagram of the vacuum cleaner of the embodiment of the present invention.
Figure 10 is a sectional view of Fig. 9.
Figure 11 is the profile at B-B place in Fig. 4.
Figure 12 is the schematic diagram determining impeller assembly of motor in prior art.
Figure 13 is the profile at C-C place in Figure 12.
Accompanying drawing labelling:
Determine impeller assembly 100, determine impeller 11, chassis 111, blade 112, location convex tendon 113, body 1131, arched ribs 1132, location division 1133, annular wheel hub 114, hole 115, location, protruding 116, groove 117, collection solar or lunar halo 12, locating notch 121, breach 1211, annular connecting portion 122, annular wind collecting section 123, location flange 124, circumference rib 125, radial ribs 126, turn-up portion 127, first muscle portion 128, second muscle portion 129, acoustic element 13, through hole 131, installing hole 132, vacuum cleaner 200, fan housing 21, inlet scoop 211, movable vane wheel 22, motor 23, output shaft 231.
Detailed description of the invention
Being described below in detail embodiments of the invention, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has the element of same or like function from start to finish.The embodiment described below with reference to accompanying drawing is illustrative of, it is intended to is used for explaining the present invention, and is not considered as limiting the invention.
Impeller assembly 100 is determined below in conjunction with Fig. 1 to Figure 11 detailed description motor according to embodiments of the present invention.
See figures.1.and.2, motor according to embodiments of the present invention determine impeller assembly 100, including: determine impeller 11, collection solar or lunar halo 12 and acoustic element 13.
Specifically, with reference to Fig. 3 and Fig. 4, determining impeller 11 and can include chassis 111 and multiple blade 112, multiple blades 112 are located on chassis 111, and multiple blade 112 can be arranged ringwise along the circumference on chassis 111 interval on chassis 111.Blade 112 can ecto-entad the peripheral, oblique along chassis 111 extend, and with reference to Fig. 4, blade 112 extends along clockwise direction, and blade 112 slopes inwardly gradually when extending along clockwise direction.Multiple blades 112 can extend in the same direction on chassis 111.Thus, concentration and the flowing of wind are conducive to.Here, it is necessary to explanation, being wherein inner side towards the direction of this annular center, the direction facing away from this annular center is outside, and the side of the centrage on contiguous chassis 111 is " interior " in other words, and the side away from the centrage on chassis 111 is " outward ".
It addition, the bottom center on chassis 111 is also provided with the hole, location 115 being suitable to be connected with motor.
The blade 112 determining impeller 11 can ecto-entad the peripheral, oblique along chassis 111 extend, and further, determines impeller 11 and can reduce noise by the design of narrow air channel and linear leaf, it is possible to less affect efficiency.
With reference to Fig. 4 and Figure 11, determine impeller 11 and reduce air inlet width, compensate air quantity by the design of cutting, blade 112 adopts long arc long, the design of narrow radian, effectively inhibits wind speed, reducing noise, thus overcoming, correlation technique being determined the problem that impeller assembly noise is big.
With reference to Fig. 6 to Fig. 8, acoustic element 13 can be sealed on above multiple blade 112, it addition, acoustic element 13 coordinates with chassis 111 limits air channel between two often adjacent blades 112, it is to say, limit air channel between acoustic element 13, chassis 111 and two adjacent blades 112.
It addition, with reference to Fig. 9 and in conjunction with Fig. 2, acoustic element 13 can be located at collection solar or lunar halo 12 and determine between impeller 11, specifically, acoustic element 13 can be located between collection solar or lunar halo 12 and multiple blade 112.Airflow passes acoustic element 13 can make air velocity reduce, thus, it is possible to reduce noise to a certain extent.
Can also be connected with chassis 111 by collection solar or lunar halo 12 and compress acoustic element 13.Can pass through to collect solar or lunar halo 12 makes air-flow more concentrate.
Motor according to embodiments of the present invention determine impeller assembly 100, by determine impeller 11 and collection solar or lunar halo 12 junction arrange location convex tendon 113 can ensure that determine impeller 11 and collection solar or lunar halo 12 between there is sufficient adhesion, such that it is able to the welding sequence in province's de-correlation technique, reduce cost.It addition, collection solar or lunar halo 12 can make in air flow collection, air-flow can make air velocity reduce by acoustic element 13, such that it is able to effectively reduce noise, it is also possible to reduces temperature rise.
With reference to Fig. 3 and in conjunction with Fig. 2, chassis 111 can being provided with location convex tendon 113, collection solar or lunar halo 12 can engage with location convex tendon 113.Determine on impeller 11 thus, it is possible to reliably collection solar or lunar halo 12 is arranged on, it is also possible to reduce operation such as welding etc., such that it is able to reduce cost.
It addition, can ensure that determine have a sufficient adhesion between impeller 11 and collection solar or lunar halo 12 by arranging location convex tendon 113 in the junction determining impeller 11 and collection solar or lunar halo 12, the shape of collection solar or lunar halo 12 and tolerance design should ensure that the axially combined power put into and assemble of stator.
It addition, in other embodiments of the invention, determine impeller 11 and can also be attached by modes such as other connected mode such as screw are connected with collection solar or lunar halo 12.The present invention is not especially limited determining the impeller 11 connected mode with collection solar or lunar halo 12, can select by adaptability as required in practical application.
With reference to Fig. 3 and in conjunction with Fig. 1, location convex tendon 113 can be located on chassis 111 and may be located at the inner side of multiple blade 112 (such as, the side of the centrage on contiguous chassis 111 in Fig. 3), and location convex tendon 113 can include along chassis 111 circumferentially spaced multiple, the inner edge of collection solar or lunar halo 12 could be formed with the locating notch 121 corresponding with multiple location convex tendon 113, and location convex tendon 113 can fasten in the locating notch 121 of correspondence.Determine on impeller 11 thus, it is possible to collection solar or lunar halo 12 is reliably mounted on.
Further, location convex tendon 113 can interference fit with locating notch 121.Thus, it is possible to improve the reliability of location.
It addition, under the premise not affecting assembly reliability, location convex tendon 113 can also adopt interference fits or small-gap suture to coordinate with locating notch 121.
Alternatively, as it is shown on figure 3, location convex tendon 113 can include two be arranged symmetrically with about the RADIAL on chassis 111.Thus, it is possible to force balance so that collection solar or lunar halo 12 is more stable in the location determined on impeller 11.
It addition, with reference to Fig. 3, chassis 111 can be provided with protruding 116, protruding 116 can be connected with location convex tendon 113.
Alternatively, with reference to Fig. 3 and in conjunction with Fig. 1 and Fig. 2, location convex tendon 113 can include body 1131, body 1131 can be located on chassis 111 and can extend towards collection solar or lunar halo 12, the medial surface of body 1131 is (such as, the side of the centrage on the contiguous chassis 111 of body 1131 in Fig. 3) on can be provided with the arched ribs 1132 being connected with chassis 111, and the end face of body 1131 can be provided with the location division 1133 engaged with locating notch 121.Determine on impeller 11 thus, it is possible to collection solar or lunar halo 12 is reliably mounted on.
Wherein, arched ribs 1132, location division 1133 and body 1131 can weld or one-body molded.Thus, it is possible to while guaranteeing assembly reliability, simplified processing process, reduction cost.
Alternatively, the bottom surface of the entrance point in air channel can be tilt to extend along air intake is upwardly directed.So be conducive to making to concentrate in wind direction air channel, such that it is able to slow down wind speed to a certain extent, reduce the purpose of noise.
According to one embodiment of present invention, in conjunction with Fig. 3 and Fig. 4, the outer end of multiple blades 112 can be arranged on predetermined circumference in interval, multiple blades 112 circumferentially in the same direction extend and towards inside circumference (such as, the side of the contiguous centrage determining impeller 11 in Fig. 3 or Fig. 4) tilt, angle between blade 112 and circumference can in the scope of 3 ° to 30 °, for instance the angle between blade and circumference is 3 °, 5 °, 10 °, 20 °, 30 degree etc..Such that it is able to formed longer air channel and also space availability ratio is high.
Further, blade 112 radius of curvature everywhere is not less than 3/4ths of the radius of curvature of circumference, for instance, blade 112 radius of curvature everywhere is the 3/4 of radius of curvature of circumference, 1,1.5,2 times etc..Reduce the space that blade 112 takies further, and extend air channel length.
Preferably, the length of blade 112 is not less than the radius of circumference.Such as, in some embodiments of the invention, the length of blade 112 can be radius of a circle.Certainly, in other embodiments of the invention, the length of blade 112 can be 1.5 times of the radius of circumference, 2 times etc., and the setting of the length of blade 112, to be conducive to reducing wind speed, reduces noise and is advisable.
It addition, the above-mentioned description to blade shape and size is only some specific embodiments of the present invention is not limiting the scope of the invention.
As shown in Figure 3 and Figure 4, determining impeller 11 and can also include annular wheel hub 114, annular wheel hub 114 can be connected with chassis 111 and can be connected with multiple blades 112 respectively.Thus, it is easy to the concentration of wind and noise can be reduced to a certain extent.
Arrange it addition, annular wheel hub 114 can surround multiple blades 112, the structural strength of blade 112 can be improved thereby through annular wheel hub 114.
Preferably, annular wheel hub 114 is arranged spaced apart with chassis 111, and further, annular wheel hub 114 flushes with the upper edge of blade 112.Determine impeller 11 and can reduce noise by the design of narrow air channel and linear leaf, it is possible to less affect efficiency.
It addition, with reference to Fig. 4 to Fig. 6, the periphery of annular wheel hub 114 can be evenly arranged multiple groove 117, and multiple grooves 117 can be generally formed into rectangular shape, and the height of multiple grooves 117 can more than the thickness on chassis 111.Collection solar or lunar halo 12 can be provided with the breach 1211 (with reference to Fig. 6) corresponding with groove 117, thus, it is easy to be reliably mounted on by collection solar or lunar halo 12 and determine on impeller 11.
With reference to Fig. 6 and in conjunction with Fig. 1 and Fig. 2, collection solar or lunar halo 12 can include annular connecting portion 122 and annular wind collecting section 123.Annular wind collecting section 123 can be connected with the inner edge of annular connecting portion 122 and can tilt extend away from the direction determining impeller 11 to introversion, and annular connecting portion 122 can be sealed on the above of multiple blade 112 and compress acoustic element 13.Thus, it is possible to make the wind entering collection solar or lunar halo 12 through determining impeller 11 can concentrate to annular wind collecting section 123, such that it is able to reduce noise to a certain extent.
With reference to Fig. 7 and Fig. 8 and in conjunction with Fig. 2, the week of collection solar or lunar halo 12 extends and ringwise location flange 124 towards determining impeller 11 along can be provided with, and location flange 124 can be set in the outside (such as, away from the side of the centrage on chassis 111 in Fig. 2) of acoustic element 13.Thus, can so that collection solar or lunar halo 12 be relatively reliable in the location determined on impeller 11, it is also possible that annular connecting portion 122 can be fitted with multiple blades 112 better, such that it is able to improve collection solar or lunar halo 12 and the sealing property determined between impeller 11, it is more beneficial for the concentration of wind, provides advantage for reducing noise further.
As shown in Figure 7, surface relative with multiple blades 112 on collection solar or lunar halo 12 can be provided with circumference rib 125 and radial ribs 126, circumference rib 125 can along collecting the circumferentially extending of solar or lunar halo 12, radial ribs 126 can be connected with circumference rib 125, and radial ribs 126 can include the circumferentially spaced multiple of annularly connecting portion 122.Thus, it is possible to improve the intensity of collection solar or lunar halo 12 to a certain extent so that the structure of collection solar or lunar halo 12 is more firm.
It addition, radial ribs 126 can also connect together with aforesaid location flange 124.
With reference to Fig. 6, the inner edge of collection solar or lunar halo 12 could be formed with the turn-up portion 127 of annular.Thus, wind can be led by the turn-up portion 127 of annular, thus being more beneficial for the concentration of wind.
Wherein, with reference to Fig. 6, the inner side of collection solar or lunar halo 12 can be provided with multiple first muscle portion 128 and multiple second muscle portion 129, multiple first muscle portions 128 and multiple second muscle portion 129 can be arranged spaced apart, and the width in multiple first muscle portions 128 can be not more than the width in multiple second muscle portion 129.Multiple first muscle portions 128 and multiple second muscle portion 129 are connected to form described ringwise turn-up portion 127.
Alternatively, acoustic element 13 can be noise reduction sponge.Thus, air-flow can suitably be slowed down by the speed of noise reduction sponge, such that it is able to reduce noise.
Certainly, acoustic element 13 can also be other materials such as glass cotton etc..The form of acoustic element 13 is not especially limited by the present invention, can select by adaptability as required in practical application.
Wherein, with reference to Fig. 9 and in conjunction with Fig. 1 and Fig. 2, acoustic element 13 can be in disk form, the center of acoustic element 13 can be provided with through hole 131, radial direction along acoustic element 13 is also provided with multiple installing hole 132, multiple installing holes 132 can be respectively provided at the both sides of through hole 131, and multiple installing holes 132 can be arranged symmetrically on acoustic element 13 for being connected with multiple location convex tendon 113 about through hole 131.Determine between impeller 11 and collection solar or lunar halo 12 thus, it is possible to acoustic element 13 is reliably mounted on.
It should be noted that acoustic element 13 and the fit clearance determining impeller 11 should be less, the material of acoustic element 13 to consider breathability and anti-flammability.Thus, it is possible to make motor determine impeller assembly 100 use process in safer.
Motor according to embodiments of the present invention determine impeller assembly 100, by computer sim-ulation, the size of the radian and inlet scoop 211 of determining impeller 11 is redesigned, it is possible to reach certain noise reduction.
What is more important, is more beneficial for making in air flow collection determining increase collection solar or lunar halo 12 on impeller 11 so that air-flow does not overflow from the air outlet determining impeller 11, but concentrates on rotor air gap and discharge, such that it is able to play noise reduction and the double effects of reduction temperature rise.
More further, collecting solar or lunar halo 12 and determining addition acoustic element 13 between impeller 11, air-flow will all through acoustic element 13, so can so that air velocity reduces, further noise reduction.Can also adding an easy motor cover at electric machine support air outlet place, such noise reduction can become apparent from, but considers complete machine spacial influence, it is possible to is lengthened by the wall within complete machine and reaches similar effect.
The mounting means determining impeller assembly 100 of motor according to embodiments of the present invention is: radial through arranging location convex tendon 113 with collection solar or lunar halo 12 junction and reach to fix determining impeller 11, and axially through design, collection solar or lunar halo 12 is flushed with the locating surface design determining impeller 11, reach to fix by the pressure of stator core.Eliminate the operation of ultrasonic bonding in correlation technique, it is possible to while ensureing reliability of positioning, save cost.
With reference to Fig. 9 and Figure 10, the according to a second aspect of the present invention vacuum cleaner 200 of embodiment, including: fan housing 21, movable vane are taken turns 22, are determined impeller assembly and motor 23.
Specifically, as shown in Figure 10, fan housing 21 can being provided with inlet scoop 211, movable vane wheel 22 is rotatably provided in fan housing 21.Determine the downstream that impeller assembly can be located in fan housing 21 and be positioned at movable vane wheel 22, movable impeller component can be above-mentioned motor determine impeller assembly 100.Motor 23 can be located in fan housing 21, and the output shaft 231 of motor 23 can be connected through determining impeller assembly 100 with movable vane wheel 22.
Here, it is necessary to explanation, determine impeller assembly be positioned at movable vane wheel 22 downstream refer on air-flow direction, air first flow through movable vane wheel 22, pass through afterwards and determine impeller assembly 100.
Wherein, with reference to Figure 10, the top of motor 23 can also be formed with air outlet, and air outlet place can be provided with motor cover.Movable vane wheel 22 can be connected with determining impeller 11 and movable vane wheel 22 can be located at the bottom (such as, determining the bottom of impeller 11 in Figure 10) determining impeller 11.
It addition, motor 23 can also include stator, rotor and blower fan.Can produce negative pressure when motor 23 rotates, air-flow can enter movable vane wheel 22 from inlet scoop 211, and air-flow can be thrown away through overdetermined impeller 11 by the rotation being taken turns 22 by movable vane, finally from determining spilling impeller 11 and stator and rotor airgap.
Above-mentioned motor 23 is because simple in construction, and volume is little, rotating speed is high, is widely used in hand-held and push-down vacuum cleaner.Thus, it is possible to the noise of motor 23 is greatly lowered, it is also possible to improve the functional reliability of stent-type motor.
Additionally, motor according to embodiments of the present invention determine impeller assembly 100, the noise making motor 23 can from 103db (A) (wherein, dB and decibel, for the standard measure of quantity of noise, employing that what (A) represented is when measuring (calculatings) NF is A level weighted) it is reduced to 92db (A) below.
Vacuum cleaner 200 according to embodiments of the present invention, impeller assembly 100 is determined by what arrange the motor of above-mentioned first aspect embodiment, the noise making complete machine can be reduced to 82db (A) by 88db (A), whole aircraft reliability is promoted, and the life-span can be extended to more than 300h by 250h.
In describing the invention, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", " outward ", " clockwise ", " counterclockwise ", " axially ", " radially ", orientation or the position relationship of the instruction such as " circumference " are based on orientation shown in the drawings or position relationship, it is for only for ease of the description present invention and simplifies description, rather than the device of instruction or hint indication or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not considered as limiting the invention.
Additionally, term " first ", " second " are only for descriptive purposes, and it is not intended that indicate or imply relative importance or the implicit quantity indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express or implicitly include at least one this feature.In describing the invention, " multiple " are meant that at least two, for instance two, three etc., unless otherwise expressly limited specifically.
In the present invention, unless otherwise clearly defined and limited, the term such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, for instance, it is possible to it is fixing connection, it is also possible to be removably connect, or integral；Can be mechanically connected, it is also possible to be electrical connection；Can be joined directly together, it is also possible to be indirectly connected to by intermediary, it is possible to be connection or the interaction relationship of two elements of two element internals, unless otherwise clear and definite restriction.For the ordinary skill in the art, it is possible to understand above-mentioned term concrete meaning in the present invention as the case may be.
In the present invention, unless otherwise clearly defined and limited, fisrt feature second feature " on " or D score can be that the first and second features directly contact, or the first and second features are by intermediary mediate contact.And, fisrt feature second feature " on ", " top " and " above " but fisrt feature directly over second feature or oblique upper, or be merely representative of fisrt feature level height higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be fisrt feature immediately below second feature or obliquely downward, or be merely representative of fisrt feature level height less than second feature.
In the description of this specification, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means in conjunction with this embodiment or example describe are contained at least one embodiment or the example of the present invention.In this manual, the schematic representation of above-mentioned term is necessarily directed to identical embodiment or example.And, the specific features of description, structure, material or feature can combine in one or more embodiments in office or example in an appropriate manner.Additionally, when not conflicting, the feature of the different embodiments described in this specification or example and different embodiment or example can be carried out combining and combining by those skilled in the art.
Although above it has been shown and described that embodiments of the invention, it is understandable that, above-described embodiment is illustrative of, it is impossible to be interpreted as limitation of the present invention, and above-described embodiment can be changed, revises, replace and modification by those of ordinary skill in the art within the scope of the invention.
Claims (15)
1. a motor determine impeller assembly, it is characterised in that including:
Chassis；
Blade, described blade is located on described chassis, and the circumferentially-spaced layout that described blade includes along described chassis is ringwise multiple, and described blade along the circumferential of described chassis and tilts to extend to the inside；
Acoustic element, described acoustic element is sealed on multiple described blade, and described acoustic element coordinates formation air channel between two often adjacent described blades with described chassis；
Collection solar or lunar halo, described collection solar or lunar halo is connected with described chassis and compresses described acoustic element.
2. motor according to claim 1 determine impeller assembly, it is characterised in that described chassis is provided with location convex tendon, and described collection solar or lunar halo engages with described location convex tendon.
3. motor according to claim 2 determine impeller assembly, it is characterized in that, inner side that described location convex tendon includes being positioned at multiple described blade circumferentially spaced multiple along described chassis, the inner edge of described collection solar or lunar halo is formed with the locating notch corresponding with multiple described location convex tendon, and described location convex tendon engages with corresponding described locating notch.
4. motor according to claim 3 determine impeller assembly, it is characterised in that described location convex tendon and described locating notch interference fit.
5. motor according to claim 3 determine impeller assembly, it is characterised in that described location convex tendon includes two be arranged symmetrically with about the RADIAL on described chassis.
6. motor according to claim 3 determine impeller assembly, it is characterised in that described location convex tendon includes:
Body, described body is located on described chassis and extends towards described collection solar or lunar halo, and the medial surface of described body is provided with the arched ribs being connected with described chassis, and the end face of described body is provided with the location division engaged with described locating notch.
7. motor according to claim 1 determine impeller assembly, it is characterised in that the bottom surface of the entrance point in described air channel in along air intake upwardly directed tilt extend.
8. motor according to claim 1 determine impeller assembly, it is characterized in that, the interval, outer end of multiple described blades is arranged on predetermined circumference, multiple described blades extend in the same direction along described circumference and tilt towards described inside circumference, angle between described blade and described circumference is in the scope of 3 ° to 30 °, described blade radius of curvature everywhere is not less than 3/4ths of the radius of curvature of described circumference, and the length of described blade is not less than the radius of described circumference.
9. motor according to claim 1 determine impeller assembly, it is characterised in that described determining impeller assembly and also include annular wheel hub, described annular wheel hub is around multiple described blades and is connected with multiple described blades respectively.
10. motor according to claim 1 determine impeller assembly, it is characterized in that, described collection solar or lunar halo includes annular connecting portion and annular wind collecting section, described annular wind collecting section is connected with the inner edge of described annular connecting portion and tilts to extend away from the described direction determining impeller to introversion, and described annular connecting portion compresses described acoustic element.
11. motor according to claim 1 determine impeller assembly, it is characterised in that impeller extension and ringwise location flange determine towards described along being provided with in the periphery of described collection solar or lunar halo, and described location flange is set in the outside of described acoustic element.
12. motor according to claim 1 determine impeller assembly, it is characterized in that, the surface of described collection solar or lunar halo is provided with circumference rib and radial ribs, described circumference circumferentially extending along described collection solar or lunar halo of rib, described radial ribs includes being connected along the circumferentially spaced multiple of described annular connecting portion and with described circumference rib.
13. motor according to claim 1 determine impeller assembly, it is characterised in that the inner edge of described collection solar or lunar halo be formed annular turn-up portion.
14. motor according to claim 1 determine impeller assembly, it is characterised in that described acoustic element is noise reduction sponge.
15. a vacuum cleaner, it is characterised in that including:
Fan housing, described fan housing is provided with inlet scoop；
Movable vane is taken turns, and described movable vane wheel is rotatably provided in described fan housing；
Determine impeller assembly, described determine the downstream that impeller assembly is located in described fan housing and is positioned at described movable vane wheel, described movable impeller component be the motor according to any one of claim 1-14 determine impeller assembly；
Motor, described motor is located in described fan housing, and the output shaft of described motor determine impeller assembly and described movable vane and is taken turns through described and be connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610065529.0A CN105782119B (en) | 2016-01-29 | 2016-01-29 | Motor determines impeller assembly and the dust catcher with it |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610065529.0A CN105782119B (en) | 2016-01-29 | 2016-01-29 | Motor determines impeller assembly and the dust catcher with it |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105782119A true CN105782119A (en) | 2016-07-20 |
| CN105782119B CN105782119B (en) | 2018-10-19 |
Family
ID=56402648
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610065529.0A Active CN105782119B (en) | 2016-01-29 | 2016-01-29 | Motor determines impeller assembly and the dust catcher with it |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105782119B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107453528A (en) * | 2017-09-15 | 2017-12-08 | 江苏美的清洁电器股份有限公司 | Stent-type motor |
| WO2021036038A1 (en) * | 2019-08-30 | 2021-03-04 | 追创科技(苏州)有限公司 | Electric motor |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010048118A (en) * | 2008-08-20 | 2010-03-04 | Panasonic Corp | Electric blower and vacuum cleaner using the same |
| CN202223155U (en) * | 2011-08-04 | 2012-05-23 | 江苏美的春花电器股份有限公司 | Motor unit of dust collector |
| CN102777395A (en) * | 2011-05-11 | 2012-11-14 | 松下电器产业株式会社 | Electric air blower and electric dust collector using the same |
| CN202537415U (en) * | 2012-04-01 | 2012-11-21 | 莱克电气股份有限公司 | Intelligent dust collector and motor cover thereof |
| CN103126611A (en) * | 2011-11-30 | 2013-06-05 | 乐金电子(天津)电器有限公司 | Vacuum cleaner fan diffuser structure capable of reducing noise |
| CN203537137U (en) * | 2013-09-18 | 2014-04-09 | 苏州永捷电机有限公司 | Noise-reducing motor of dust collector |
| CN205533428U (en) * | 2016-01-29 | 2016-08-31 | 江苏美的清洁电器股份有限公司 | Deciding impeller subassembly and have its dust catcher of motor |
-
2016
- 2016-01-29 CN CN201610065529.0A patent/CN105782119B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010048118A (en) * | 2008-08-20 | 2010-03-04 | Panasonic Corp | Electric blower and vacuum cleaner using the same |
| CN102777395A (en) * | 2011-05-11 | 2012-11-14 | 松下电器产业株式会社 | Electric air blower and electric dust collector using the same |
| CN202223155U (en) * | 2011-08-04 | 2012-05-23 | 江苏美的春花电器股份有限公司 | Motor unit of dust collector |
| CN103126611A (en) * | 2011-11-30 | 2013-06-05 | 乐金电子(天津)电器有限公司 | Vacuum cleaner fan diffuser structure capable of reducing noise |
| CN202537415U (en) * | 2012-04-01 | 2012-11-21 | 莱克电气股份有限公司 | Intelligent dust collector and motor cover thereof |
| CN203537137U (en) * | 2013-09-18 | 2014-04-09 | 苏州永捷电机有限公司 | Noise-reducing motor of dust collector |
| CN205533428U (en) * | 2016-01-29 | 2016-08-31 | 江苏美的清洁电器股份有限公司 | Deciding impeller subassembly and have its dust catcher of motor |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107453528A (en) * | 2017-09-15 | 2017-12-08 | 江苏美的清洁电器股份有限公司 | Stent-type motor |
| CN107453528B (en) * | 2017-09-15 | 2019-12-24 | 江苏美的清洁电器股份有限公司 | Bracket type motor |
| WO2021036038A1 (en) * | 2019-08-30 | 2021-03-04 | 追创科技(苏州)有限公司 | Electric motor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105782119B (en) | 2018-10-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101105188A (en) | Suction cleaner blower | |
| WO2011102120A1 (en) | Impeller, electric air blower using same, and electric cleaner using electric air blower | |
| CN109083868B (en) | Electric blower and electric dust collector with the same | |
| CN107524616B (en) | Electric fan and electric dust collector with same | |
| CN205533428U (en) | Deciding impeller subassembly and have its dust catcher of motor | |
| EP3462039A1 (en) | Electric fan and vacuum cleaner having same | |
| CN105782119A (en) | Fixed impeller assembly of motor and dust collector provided with fixed impeller assembly | |
| JPH1119006A (en) | Vacuum cleaner | |
| JP2008121650A (en) | Electric blower and vacuum cleaner using the electric blower | |
| JP6581361B2 (en) | Electric blower and vacuum cleaner equipped with the same | |
| JP2011157867A (en) | Electric blower and electric vacuum cleaner using the same | |
| JP5342385B2 (en) | Fan, electric blower equipped with the fan, and electric vacuum cleaner using the electric blower | |
| CN215672813U (en) | Electric fan and cleaning equipment | |
| US8317496B2 (en) | Motor-fan assembly having a tapered fan with a concave underside | |
| CN211501081U (en) | Electric machine | |
| JP2010270750A (en) | Electric blower, vacuum cleaner mounted with the same, and method of manufacturing the same | |
| CN201750290U (en) | Novel cooling-mode DC dust collector motor | |
| JP5124197B2 (en) | Electric blower | |
| CN101344099B (en) | Electric driven blower and electric suction cleaner having the same | |
| CN113775546A (en) | Electric fan and cleaning equipment | |
| CN210033887U (en) | Air suction device and range hood | |
| CN110664305A (en) | Dust collector | |
| CN106678967B (en) | Centrifugal wind wheel, combined centrifugal wind wheel and air conditioner | |
| CN216842357U (en) | Impeller, centrifugal fan and sweeper | |
| CN219691823U (en) | Volute, centrifugal fan using same and integrated stove |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |