CN109715021A - For accommodating the housing and dust catcher of the reduction noise of the blower motor unit of dust catcher - Google Patents
For accommodating the housing and dust catcher of the reduction noise of the blower motor unit of dust catcher Download PDFInfo
- Publication number
- CN109715021A CN109715021A CN201780048656.2A CN201780048656A CN109715021A CN 109715021 A CN109715021 A CN 109715021A CN 201780048656 A CN201780048656 A CN 201780048656A CN 109715021 A CN109715021 A CN 109715021A
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- China
- Prior art keywords
- housing
- motor unit
- dust catcher
- shell
- reducing noise
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- 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.)
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Classifications
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- 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
- A47L9/0081—Means for exhaust-air diffusion; Means for sound or vibration damping
-
- 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
- A47L9/22—Mountings for motor fan assemblies
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Electric Suction Cleaners (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The present invention relates to a kind of housings (70) for reducing noise, the housing is used to accommodate the blower motor unit (50) of dust catcher (1), and wherein blower motor unit (50) is set up to for generating air stream with the suction for providing dust catcher (1) and including blower fan (52) and for the electric notor (54) of blower fan (52).Furthermore the present invention relates to a kind of dust catchers (1) equipped with the housing (70) for reducing noise.
Description
Technical field
The present application relates to the technical fields for reducing the noise emissions in dust catcher.The present patent application more particularly to use
In the housing of the reduction noise for the blower motor unit for accommodating dust catcher and with shell of the dust collector and it is arranged in dust catcher
The dust catcher of blower motor unit in shell, wherein blower motor unit is arranged in the housing for reducing noise.
Background technique
A kind of dust catcher known from EP1803381B1, the dust catcher include blower motor unit, the blower motor
Unit is arranged in the housing for reducing noise.The housing of the reduction noise is made of two plastics half portions, the two plastics half portions
Capable assembling is at housing, and the two plastics half portions accommodate the blower motor unit of dust catcher in itself.Housing by with
Under type plays the effect for reducing noise, i.e. housing is configured to by the flowing road of the air capacity of blower motor unit transportation
Diameter, the air stream left from blower motor unit have deflected at least before it leaves shell of the dust collector along the flow path
90°.Although there is the noise emissions being substantially reduced, noise equipped with the dust catcher of such housing for reducing noise
Further decreasing for discharge is worth desireing.
The information disclosed in the background technology section is intended only to increase the understanding to general background of the invention, without answering
When being considered as recognizing or imply that the information constitutes the prior art already known to those of ordinary skill in the art in any form.
Summary of the invention
Therefore it is an object of the present invention to provide a kind of cover of the reduction noise of blower motor unit for dust catcher
Shell, the housing allow for the dust catcher with advantageous sound emission value.Furthermore it is an object of the present invention to provide a kind of band
There is the dust catcher of advantageous sound emission value.
The purpose is by the housing according to claim 1 for reducing noise and passes through dust catcher according to claim 21
To realize.
The housing according to the present invention for reducing noise is arranged for accommodating the blower motor unit of dust catcher.The drum
Blower motor unit is set up to for generating air stream the suction to be used to provide the described dust catcher and including blower fan
And the electric notor for driving the blower fan.The housing for reducing noise includes for example by mix aperture
(gemischtzellig) or contoured foam component made of (geschlossenzellig) foamed material of closed pore
(Formschaumteil), wherein the contoured foam component is relative to the shell of the dust collector for surrounding the blower motor unit
Construct the mechanical support of the blower motor unit.
The contoured foam component for including by the housing by the reduction noise is relative to the shell of the dust collector structure
The mechanical support for making the blower motor unit, the effective machinery for realizing blower motor unit and shell of the dust collector are de-
Coupling.The mechanical oscillation in the running blower motor unit can be effectively reduced in this way is transmitted to institute
It states on shell of the dust collector.This generally leads to being substantially reduced for the noise emissions of dust catcher, the blower motor list of the dust catcher
Member is arranged in the housing according to the present invention for reducing noise.
In a kind of preferred improvement project, the housing includes by such as mix aperture or closed pore foamed material system
At one or more contoured foam components, wherein one or more of contoured foam components are relative to surrounding the air blower
The shell of the dust collector of motor unit constructs the mechanical support of the blower motor unit.It eliminates for relative to dust catcher shell
Body mechanically supports other components of blower motor unit.Pass through the machine relative to shell of the dust collector to blower motor unit
Tool support is realized by contoured foam component completely, realizes the very effective sound of blower motor unit and shell of the dust collector
Sound decoupling.It is substantially absorbed by the housing for reducing noise using the blower motor unit as the mechanical oscillation of starting point,
As much as possible vibration is inhibited to be transferred on the shell of the dust collector.
, it is noted that it only may include the molding being made of a foam material that the housing according to the present invention for reducing noise, which is not,
Foam components, but it can also generally be configured essentially to contoured foam component on the contrary.It is understood that in scope of the present application
Described in be related to contoured foam component particular design all design schemes can be directly converted to it is according to the present invention
In such embodiment of housing, i.e., entire housing is configured essentially to contoured foam component in this embodiment.
Be advantageously improved in scheme in the housing for reducing noise, the housing for reducing noise be configured with for from
The flow channel for the air stream left in the blower motor unit.Flow channel described herein so constructs, i.e., so that institute
Air stream is stated to draw from the shell of the dust collector by the flow channel.It is constructed by the housing for reducing noise useful
In the flow channel for the air stream left from the blower motor unit, furthermore the housing for reducing noise can also be used in
It reduces from the vortex in the air stream left in the shell of the dust collector.The minimum of this vortex also results in dust catcher
Noise emissions are obviously reduced.
It is described reduce noise housing preferred design scheme in, the flow channel so constructs, i.e., so that
The air stream guided in the flow channel has preferably repeatedly deflected 90 ° or bigger of angle at least once.
The angle that the air stream has deflected 90 ° or bigger can carry out in one step herein, such as in flow channel
Construction be circle segment section in.But deflection can also be formed by multiple sub- deflections, the multiple sub- deflection can be respective
90 ° are respectively smaller than, but summation is at least 90 °.
Furthermore it includes the member to work as diffuser that the housing of noise is reduced described in another preferred design scheme
Part, the element are arranged in the flow channel.In this regard the element to work as diffuser can be regarded as guidance flowing
Device, which deflect into the air stream with main flow direction on multiple flow directions.This diffuser promotes
The decline of the whirlpool in the source for the formation noise emissions for including in the air stream of percolation.
In a kind of especially preferred design scheme, one or more diffusers are arranged in the air blast in flow channel
The motor of the especially described blower motor unit of machine motor unit immediately near.
It is another be advantageously improved in scheme it is according to the present invention reduce noise housing furthermore include nonwoven
Object (Vlies) or foam filter (Filterschaum).The advantageously described supatex fabric or the foam filter
FoamingTo at the contoured foam component of the housing for reducing noise, thus simplify the reduction noise
The assembly of housing.The supatex fabric or the foam filter are placed to open foaming as individual component thus
MoldIn.Especially preferably the supatex fabric or the foam filter are made of PET.
The supatex fabric described in a kind of especially preferred design scheme or the foam filter are as diffuser cloth
It sets in the flow channel by the housing construction for reducing noise.
In a kind of preferred design scheme of the housing for reducing noise, the contoured foam component includes that foam is poly-
Urethane.In particular it is described reduce noise housing mostly advantageously also can generally be configured to contoured foam component and
Such as it is made of foamed polyurethane.
It is described reduce noise another advantageous design scheme of housing described in housing include at least two preferably at
Type foamingHousing half portion.The relative position of the preferably described at least two housings half portion passes through tongue-and-groove
System is fixed, which can especially advantageously construct integral with the contoured foam component.
The housing described in a kind of alternative design scheme includes the housing half portion of at least two preferably shaping foams, institute
At least two housing half portions are stated to be connected with each other by film hinge.The preferably described film hinge is configured to the housing half portion
It is whole, so that the housing is configured to single-piece with its at least two housings half portion.
The housing of reduction noise described in another advantageous design scheme is configured to substantially airtight, thus by described
The air stream that blower motor unit generates substantially only can be by as described in the housing construction for reducing noise
Flow channel leaves from the housing.In this regard it has proven to as advantageously, the foamed material of the housing is preferred
Ground is closed pore, but at least mix aperture.
It generally has proven to as advantageously, the layer portion that the housing for reducing noise has air impermeable.In this way
The impermeable layer portion of air can for example be configured to be preferably located in external rear foamingPlastics are thin
Piece.Alternatively the impermeable layer portion of such air is also configured as what having in material of the housing itself reduced
The layer portion of porosity.The airtight layer portion for being located at external surface of the especially described air blower housing in one of surface of the housing
Same have confirmed is advantageous.The impermeable layer portion of the air can apply (In-Mould- advantageous by Mo Neishi
Coating it) constructs.It is introduced into the foaming mould in reactive mixture for constructing the shaping foam thus
Before component, the surface of the foaming mould is at least partially covered with paint or thin slice.
The whole surface of the substantially described air blower housing is designed to airtight in preferred first design scheme.Excellent
The part face on the only surface of the air blower housing is designed to airtight in second design scheme of choosing.Herein need not but
It is that the part face that simply can continuously construct preferably abuts the suction orifice of the blower motor unit.
The effect of the isolation noise of the housing according to the present invention for reducing noise can be pointedly partially through mentioning
The density of the high housing and improve.It should be applied to the shell of the dust collector therein depending on the housing for reducing noise
Construction, it may be advantageous to, some regions of the housing have the acoustic isolation effect improved.The housing can be one thus
The region for the density being improved in the preferred design scheme of kind with band.The region for the density that the band is improved can for example pass through
It constructs thick-layer portion (Schwerschicht) to provide, covers the housing to the thick-layer portion at least partly region.
A kind of contoured foam component of the housing described in preferred design scheme is at least partly configured to region
Two-component foam components and there is the coating with higher density and coating with lower density in this region.
The entire contoured foam component of the housing is also configured as two-component foam components in particular.
Coating with higher density can be for example by granting the filler of (Freigabe) with higher density for example
Barium sulfate powder and realize.Mixed proportion for manufacturing the original material of the contoured foam component can also locally change,
The density that foamed material to generate has part different.It is last it is possible that by order to manufacture the contoured foam portion
The different temperature in the part for the mold that part uses generates the different porosity in part and therefore also generates different density.
The housing described in another advantageous design scheme of the housing according to the present invention for reducing noise has extremely
Few one has the region of viscous-elastic behaviour.At least one preferably described region with viscous-elastic behaviour is arranged in such position
Place, i.e., the housing constructs the air blower relative to the shell of the dust collector for surrounding the blower motor unit at the position
The mechanical support of motor unit.It is particularly advantageous that the housing is constructed everywhere in such position with viscous-elastic behaviour
Region, i.e., the housing constructs the mechanical branch of the blower motor unit relative to the shell of the dust collector at the position
Support.Mechanical support by the blower motor unit relative to the shell of the dust collector passes through the housing with viscous-elastic behaviour
Region is realized, the mechanical decoupling of blower motor unit and shell of the dust collector significantly improved again is obtained, to reduce again
Vibration is transmitted on shell of the dust collector from the blower motor unit.Thus it generates equipped with the root according to the design scheme
According to the sound emission performance improved again of the dust catcher of the housing of reduction noise of the invention.
The present invention is additionally related to shell of the dust collector and the blower motor unit being arranged in the shell of the dust collector
Dust catcher.The blower motor unit is set up to the suction that dust catcher is used to provide the described for generating air stream.Institute
Stating blower motor unit includes blower fan and the electric notor for driving the blower fan.It is existing according to the present invention
It is arranged in the housing according to the present invention for reducing noise in the blower motor unit of the dust catcher, that is to say, that cloth
Set with claim 1 feature housing in or be arranged in such housing as especially from return draw claim
In the housing of the feature of one of advantageous design scheme discussed above as being obtained in 1 dependent claims.Setting
The housing in the dust catcher constructs the mechanical support of the blower motor unit relative to the shell of the dust collector.
The mentioned mechanical support of the contoured foam component construction of the housing in particular.The preferably described blower motor unit
Total mechanical support relative to the shell of the dust collector by the housing particularly by one for including by the housing or
Multiple contoured foam components are realized.
It is constructed in the dust catcher in a kind of preferred design scheme of dust catcher according to the present invention useful
In the flow channel for the air stream left from the blower motor unit.The air stream passes through the flow channel
It is drawn from the shell of the dust catcher.The flow channel described in a kind of design scheme preferably is by the dust catcher
It shell and is jointly constructed by the air blower housing.The flow channel described in a kind of alternative design scheme is substantially only
By the blower cover shell structure.
Flow channel described herein advantageously so constructs, i.e., so that the air stream guided in the flow channel not edge
The shell of the dust collector outer wall flowing.Such wall of the shell of the dust collector is interpreted as the outer of the shell of the dust collector
Wall, the i.e. wall have the inner cavity chamber for not being directed toward the shell of the dust collector and can be used as the emitting surface for sound emission in itself
Surface.
If the flow channel is jointly constructed by the shell of the dust collector and the housing, flowing described herein is logical
Road advantageously also so constructs, i.e., so that the air stream guided in the flow channel preferably repeatedly deflection at least once
90 ° or bigger of angle.
Even if the flow channel is jointly constructed by the shell of the dust collector and the housing, also it has been confirmed that being advantageous
, the dust catcher has the element that works as diffuser, and the element is extend into the flow channel.This institute
State the element that works as diffuser can not only with the shell of the dust collector and also can it is associated with the housing more precisely
Saying advantageously can be with the shell of the dust collector or housing construction machine assembly.Furthermore the member to work as diffuser
Part can also form machine assembly with the blower motor unit.
The shell of the dust collector of such dust catcher has the stream for the air stream for being used to provide the described suction
Aperture out, the air stream are generated by the blower motor unit.It is advantageous in one kind of dust catcher according to the present invention
Design scheme described in housing now relative to the outflow aperture and blower motor unit dust catcher shell so be arranged on
In body, i.e., so that the housing covers the outflow aperture relative to the motor.It can be effectively reduced in this way described
The direct sound emission that the side in the outflow aperture in the shell of the dust collector of blower motor unit is directed upwards towards.
The blower motor unit is radiated by this direct voice in the outflow aperture of the shell of the dust collector
Be effectively reduced may be accomplished by again, i.e., so that the area for the density that there is the housing at least one band to be improved
Domain, the region are arranged at such position in the installation site of the housing, i.e., at the position housing relative to
The motor covers the outflow aperture.Therefore the design scheme is advantageous improvement project.
Method for manufacturing the housing according to the present invention for reducing noise advantageously comprises such method and step, i.e. institute
The contoured foam component for stating housing is manufactured by means of reaction mixture to be introduced into the cavity of foaming mould.As above
The housing that noise is entirely reduced as being already mentioned above can be basically constructed as contoured foam component, thus entire housing
It can be manufactured in advantageous approach by means of reaction mixture to be introduced into the cavity of foaming mould.
It is had proven in both cases as advantageously, the reaction mixture includes polyalcohol and carbimide.With this
Kind mode can manufacture the contoured foam component of including mix aperture or closed pore polyurethane foamed material.
In a kind of advantageous design scheme of the method for manufacturing housing according to the present invention, the foaming mould
The predetermined surface portion region of tool is by such temperature adjustment, i.e., so that generating sponge layer from the reaction mixture
Portion, the sponge layer portion have whole, preferably substantially airtight, the surface section of at least 0.1mm thickness, and the surface section is logical
Often with the density being improved.The surface section is integrally constructed in other regions of the cavity of the foaming mould
, preferably closed pore or the contoured foam component materials of mix aperture ordinatedly connect.
Such surface section can be equally manufactured in the following manner, i.e., the reaction mixture is being introduced into the foaming
The mixed proportion of polyalcohol and carbimide suitably changes during in mold.
On the one hand the surface section generated in suitable method carries into execution a plan can promote or provide the contoured foam
The advantageous air-tightness as already mentioned above of component.Furthermore the surface section can be used for, and provide with the contoured foam
The region of the density of the raising of component, this can be to be advantageous, to have the acoustic isolation effect locally improved for structural belt
Housing region.
In another advantageous design scheme of the method for manufacturing housing according to the present invention, by nonwoven
Object, foam filter or the plastic tab then to foam are introduced into the cavity of the foaming mould.It is held in this method
The housing including supatex fabric, foam filter or plastic tab, supatex fabric, foamed filter can be constructed in row scheme
Device or plastic tab can not be connect with losing with the housing respectively.
Dust catcher according to the present invention can be advantageously employed the manufacture of the method including following methods step:
A) shell of the dust collector is provided,
B) blower motor unit is provided, which is set up to for generating air stream for providing institute
The suction of dust catcher is stated,
C) housing of the reduction noise for the claim for drawing claim 1 is provided according to claim 1 or returns,
D) the blower motor unit is arranged in the housing, and
E) the blower motor unit in the housing and the such split of shell of the dust collector be will be received in, i.e., so that relative to
The shell of the dust collector is configured with the mechanical support for the blower motor unit that the housing assigns.
Not only all features of the embodiments described above of the housing but also the dust catcher can be in technical feasibility
It is combined with each other in the range of property.
It is according to the present invention reduce noise housing and dust catcher according to the present invention further advantage and
Feature is obtained from claim and embodiments discussed below.These embodiments should not be construed as providing constraints, but
Those skilled in the art should be able to be enable to implement the present invention.With regard to being found in common segment of each feature not above of embodiment
For, then, it is noted that these features also combine to describe characteristic of the invention and applicant reservation general with independent claims
These features are included in the right in claim.
Detailed description of the invention
Embodiment hereinafter is explained further by means of drawing.In drawing:
Fig. 1 shows the schematical sectional view of such dust catcher,
Fig. 2 shows across the housing according to first embodiment that reduce noise with the blower motor unit being inserted into
Section,
Fig. 3 shows the shell of the dust catcher according to first embodiment across the housing with reduction noise according to fig. 2
The section of body,
Fig. 4 shows the shell of the dust catcher according to the second embodiment of the housing across the reduction noise with similar Fig. 2
The section of body,
Fig. 5 shows the schematic diagram of the dust catcher according to the third embodiment of the housing with reduction noise according to fig. 2,
Wherein housing is opening, and
Fig. 6 shows the dust catcher from Fig. 5 in the case where housing split.
It should be noted that identical reference label in various figures indicates identical component.
Specific embodiment
The structure of such dust catcher 1 can be schematically found out from Fig. 1.Dust catcher 1 has shell of the dust collector 10,
Motor cavity 20 and dust bag chamber 30 are configured in the shell of the dust collector.The dust bag chamber 30 by suction orifice 40 with
External world's connection, wherein the suction orifice 40 schematically illustrated herein constructs the interface for example for unshowned suction hose.Collection
Dirt bag chamber 30 accommodates dust bag 32, and the aperture of the dust bag is overlapped with suction orifice 40.
Dust bag chamber 30 is in connection by air flue 34 and motor cavity 20.It is arranged in motor cavity 20
Blower motor unit 50 delivers air through suction orifice 40 and dust bag 32 and passes through air flue 34 and by air from stream
Shell of the dust collector 10 is left in the blowout of aperture 60 out.Route of the air stream in shell of the dust collector 10 is shown by arrow.Except air
Motor cavity 20 is airtightly sealed relative to dust bag chamber 30 other than access 34.Most of cunning according to prior art
Posture dust catcher (Schlittenstaubsauger) follows basic structure shown in FIG. 1.
Fig. 2 has gone out the first embodiment of housing 70 according to the present invention now with schematic cross sectional representation.In the housing 70
Internal and be surrounded by blower motor unit 50 by the housing completely, which includes air blower 52, the air blast
Machine is driven by electric notor 54.Usual air blower 52 is directly arranged on the output shaft of electric notor 54, thus air blower 52 and motor
54 rotation axis coincident.Pass through the flange surface 76 of the inside of housing 70 in the side edge blower motor unit 50 of air blower 52
It is supported at the housing.Furthermore air blower 52 is shape-ordinatedly arranged in air blower recess 72, which exists
In housing inner face.Air blower 52 is sealingly held in illustrative manner in housing 70, to realize air only through air blast
The inside of machine 52 enters in casing interior.
Aspirated by air blower 52 and with being transported to the air flow portion in casing interior directly reach casing interior in and
Inside partially across motor 54 and from the inside of motor 54 pass through the cooling port 56 in the shell of motor 54 leave and
It reaches in casing interior.
Stop in the stabilization component 58 for plugging tab construction on the end of air blower 52 of motor 54 as rotation
Moving part.Due to stablize shape between component 58 and the shell of motor 54 cooperate stablize component 58 can not be relative to motor 54
Shell is rotated around the rotation axis of motor 54.Stablize the receiving of component 58 and constructs to end side stopping in housing 70 on the other hand
In dynamic recess 78.The relative size of housing 70 and the blower motor unit 50 with the stabilization component 58 plugged so selects,
Sit idly inside housing 70 so that generating blower motor unit 50 and being clamped.Blower motor unit 50 passes through stabilization simultaneously
Component 58 ensures from 70 inner rotation of housing.
Fig. 3 is now illustrated across the section for the housing according to the present invention 70 being inserted in shell of the dust collector 10, at this
Blower motor unit 50 is disposed in housing, as the blower motor unit is illustrated by means of Fig. 2.
Housing 70 includes the housing upper half 82 and housing lower half 84 constructed with being separated from each other.The housing upper half 82 and cover
Shell lower half 84 can be mutually inserted by the tongue-and-groove system integrally constructed and is therefore mechanically fixed to one another (referring to Fig. 5).
It can be seen that how stream is constructed between the housing upper half 82 and housing lower half 84 from the sectional view according to Fig. 3
Dynamic channel 86, enters the air stream that aperture 74 is transported in the inside of housing 70 by housing by blower motor unit 50 and passes through
The flow channel leaves from housing 70.Inner cavity chamber of the air stream left from casing interior subsequently into motor cavity 20
In, it flows through the inner cavity chamber and is left from shell of the dust collector 10 by the outflow aperture 60 of motor cavity 20.For defending
Raw reason is disposed with outflow filter 62 in the region in outflow aperture 60, which can for example be configured to non-woven
Fabric filter, to be loaded with dust in order to avoid the air stream flowed out from outflow aperture 60.Outflow filter 62 can be especially
For so-called high-efficiency particulate air filter.
As can be found out from the sectional view of Fig. 3, the air stream left from casing interior is to flow through flowing logical
It experienced respectively when road 86 and deflect 90 ° at least once.Two air streams in the further flow path to outflow aperture 60
Then experienced it is other again can be up to 90 ° of deflection.
The housing upper half 82 and housing lower half 84 are configured to the shaping foam made of polyurethane foamed material herein
Component.The foamed material is not configured to closed pore or mix aperture herein.In order to improve air-tightness it is possible that the housing upper half
82 and the external surface that is located at of housing lower half 84 be equipped with additional airtight layer portion, what this layer of portion foamed after may be, for example,
And the plastic tab being for example made up of polypropylene that therefore can not be connect with the foamed material of housing 70 with losing.It is this additional
The impermeable layer portion of air of the air impermeability of the housing upper half 82 and housing lower half 84 is improved in Fig. 3 not yet explicitly
It shows.
The reactivity of the housing upper half 82 and housing lower half 84 by injection including component polyalcohol and carbimide is mixed
Object is closed to manufacture into closed foaming mould.Concentration by adjusting the part of reaction component or the mold by adjusting part
Temperature can cause to construct airtight surface layer in the housing upper half 82 and being located at external surface for housing lower half 84.
From can be seen that in identical section in Fig. 4 can housing as seen from Figure 3 improved design.It can be from Fig. 4
The housing 70 found out with can the difference of housing 70 as seen from Figure 3 be on the one hand that the housing upper half 82 includes being in housing
The thick-layer portion 83 of the upper half 82 being located at external surface.The thick-layer portion 83 has remaining material relative to the housing upper half 82
Expect the density improved, this can be realized by addition with highdensity filler such as barium sulfate.Thick-layer portion 83 improves housing
The sound that the acoustic isolation ability of the upper half 82 and therefore reducing is generated by blower motor unit 50 is in outflow aperture 60
Direction on directly through the housing upper half 82.
According to the housing 70 of Fig. 4 with can housing 70 as seen from Figure 3 difference further aspect is that in flow channel 86
Region in be disposed with transversal rib 88, wherein transversal rib 88, which is not only constructed, is located at external surface in the housing upper half 82
Upper and construction is on the internally positioned surface of housing lower half 84 and transverse to the stream shown by the arrow in Fig. 4
Dynamic direction extends.It crosses in the air stream left in the structure Shi Cong housing 70 constructed to labyrinth type respectively and carries in air circulation
Vortex effectively decay, wherein the sound emission for further decreasing dust catcher 1 can be realized.
Fig. 5 schematically shows the perspective view of dust catcher 1 according to the present invention, is can be seen that in the dust catcher with slotting
Enter and the motor cavity 20 of the housing 70 opened and the blower motor unit 50 being arranged in the housing.84 shape of housing lower half
Shape is cooperatively received in the motor cavity 20 of shell of the dust collector 10, furthermore which is configured with additional internally positioned
Separation wall 22.Blower motor unit is contained in housing lower half 84 in a manner of clamping and sitting idly.Additionally air blower horse
Passing through the stabilization component 58 being not shown in Figure 5 up to unit 50 ensures that the rotation axis from surrounding motor 54 in housing 70 revolves
Turn.
It can be seen that dual tongue-and-groove system (Zweifache Feder-/Nutsystem), utilize in the diagram according to Fig. 5
The dual tongue-and-groove system housing upper half 82 and 84 capable assembling of housing lower half are at machine assembly.Therefore the housing upper half 82 is at it
Pin 90 is configured at the end wall of end side, the pin is joined to the corresponding recess in the end wall of housing lower half 84
In portion 92.It constructs in this pin with the housing upper half 82 integral.
The side wall of the long side of this outer casing upper half 82 extends on the direction of housing lower half 84 and in two side structure
There is wall extension 94.Wall extension is joined to construction in 84 split of the housing upper half 82 and housing lower half in housing lower half
In notch 96 in 84 internally positioned end face.
Last Fig. 6 shows the component from Fig. 5, and wherein the housing upper half 82 is plugged together to be formed with housing lower half 84
Thus machine assembly constructs housing 70.In the diagram it can be seen that construction is between the housing upper half 82 and housing lower half 84
Flow channel 86.
List of reference characters
1 dust catcher
10 shell of the dust collector
20 motor cavities
30 dust bag chambers
32 dust bags
34 air flues
40 suction orifices
50 blower motor units
52 air blowers
54 motors
56 cooling ports
58 stablize component
60 outflow apertures
62 outflow filters
70 housings
72 air blower recesses
74 housings enter aperture
76 flange surfaces
78 stop notch
The 82 housing upper halves
83 thick-layer portions
84 housing lower half
86 flow channels
88 transversal ribs
90 pin
92 recessed portions
94 wall extensions
96 notches
Claims (26)
1. a kind of housing (70) for reducing noise, the housing are used to accommodate the blower motor unit (50) of dust catcher (1), wherein
The blower motor unit (50) is set up to the suction and packet that dust catcher (1) is used to provide the described for generating air stream
Blower fan (52) and the electric notor (54) for driving the blower fan (52) are included, wherein the housing (70) wraps
The contoured foam component being made of a foam material is included, the contoured foam component is relative to the encirclement blower motor unit (50)
Shell of the dust collector (10) construct the mechanical support of the blower motor unit (50).
2. it is according to claim 1 reduce noise housing (70), which is characterized in that the housing (70) be configured to from
The flow channel (86) for the air stream that the blower motor unit (50) is left, wherein the excessively described stream of the air circulation
Dynamic channel (86) are drawn from the shell of the dust collector (10).
3. the housing (70) according to claim 2 for reducing noise, which is characterized in that the such structure of the flow channel (86)
It makes, i.e., so that the air stream guided in the flow channel (86) has preferably repeatedly deflected 90 ° or bigger at least once
Angle.
4. the housing (70) according to claim 2 for reducing noise, which is characterized in that the housing (70) includes at least one
A element to work as diffuser, the element are arranged in the flow channel (86).
5. the housing (70) according to claim 1 for reducing noise, which is characterized in that the housing (70) includes non-woven
Fabric or foam filter.
6. the housing (70) according to claim 5 for reducing noise, which is characterized in that the supatex fabric is described
Foam filter foams at the contoured foam component.
7. the housing (70) according to claim 5 for reducing noise, which is characterized in that the supatex fabric is described
Foam filter is as diffuser arrangement in the flow channel (86).
8. the housing (70) according to claim 1 for reducing noise, which is characterized in that the contoured foam component includes bubble
Foam polyurethane.
9. the housing (70) according to claim 1 for reducing noise, which is characterized in that the housing (70) includes at least two
The housing half portion (82,84) of a preferably shaping foam, the relative position of the housing half portion by with the contoured foam portion
Part constructs integral tongue-and-groove system and fixes.
10. the housing (70) according to claim 1 for reducing noise, which is characterized in that the housing (70) has at least
The housing half portion (82,84) of two preferably shaping foams constructs to the housing half portion single-piece and by integrally structure
The film hinge made is connected with each other.
11. the housing (70) according to claim 1 for reducing noise, which is characterized in that the bubble of the contoured foam component
Foam material is closed pore or mix aperture.
12. the housing (70) according to claim 1 for reducing noise, which is characterized in that the housing (70) has air
Impermeable layer portion.
13. the housing (70) according to claim 12 for reducing noise, which is characterized in that the impermeable layer of the air
The plastic tab that cage structure foams after being.
14. the housing (70) according to claim 12 for reducing noise, which is characterized in that the impermeable layer of the air
Cage structure is the layer portion with reduced porosity in the material of the housing (70).
15. the housing (70) according to claim 1 for reducing noise, which is characterized in that the housing (70), which has, to be had
The region of the density of raising.
16. the housing (70) according to claim 15 for reducing noise, which is characterized in that the housing (70) is at least partly
It include region thick-layer portion (83).
17. it is according to claim 1 reduce noise housing (70), which is characterized in that the housing (70) it is described at
It is configured to type foam components at least partly region two-component foam components and has in this region with higher close
The coating of degree and coating with lower density.
18. the housing (70) according to claim 1 for reducing noise, which is characterized in that the housing (70) has at least
One has the region of viscous-elastic behaviour.
19. it is according to claim 18 reduce noise housing (70), which is characterized in that it is described at least one have viscoelastic
Property the region of characteristic be arranged at such position, i.e., the housing (70) is relative to surrounding the air blower at the position
The shell of the dust collector (10) of motor unit (50) constructs the mechanical support of the blower motor unit (50).
20. a kind of dust catcher (1), with shell of the dust collector (10) and the air blower horse being arranged in the shell of the dust collector (10)
Up to unit (50), wherein the blower motor unit (50) is set up to for generating air stream to be used to provide the described dust catcher
(1) suction and the electric notor (54) including blower fan (52) and for driving the blower fan (52),
Described in blower motor unit (50) be arranged in it is according to claim 1 reduce noise housing (70) in, wherein the cover
Shell (70) constructs the mechanical support of the blower motor unit (50) relative to the shell of the dust collector (10).
21. dust catcher (1) according to claim 20, which is characterized in that the shell of the dust collector (10) and the housing
(70) it is jointly configured to the flow channel (86) for the air stream left from the blower motor unit (50), wherein described
Air stream is drawn from the shell of the dust catcher (1) by the flow channel (86).
22. dust catcher (1) according to claim 21, wherein the flow channel (86) so constructs, i.e., so that in institute
State the angle that the air stream guided in flow channel (86) has preferably repeatedly deflected 90 ° or bigger at least once.
23. dust catcher (1) according to claim 21, which is characterized in that the dust catcher (1) has rises as diffuser
The element of effect, the element are extend into the flow channel (86).
24. dust catcher (1) according to claim 21, which is characterized in that the flow channel (86) so constructs, even if
The air stream guided in the flow channel (86) is obtained not flow along the outer wall of the shell of the dust collector (10).
25. dust catcher (1) according to claim 21, which is characterized in that the shell of the dust collector (10) have for from
The outflow aperture (60) of the air stream left in the blower motor unit (50) and the housing (70) is relative to described
Motor (54) covers the outflow aperture (60).
26. dust catcher (1) according to claim 25, which is characterized in that the housing (70) has at least one
The region of the density of raising, the region are arranged at such position, i.e., the housing (70) is relative to described at the position
Motor (54) covers the outflow aperture (60).
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE202016104364.6 | 2016-08-08 | ||
| DE202016104364 | 2016-08-08 | ||
| PCT/DE2017/100607 WO2018028740A1 (en) | 2016-08-08 | 2017-07-20 | Noise-reducing casing of a fan motor unit of a vacuum cleaner, and vacuum cleaner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109715021A true CN109715021A (en) | 2019-05-03 |
Family
ID=59579369
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201780048656.2A Pending CN109715021A (en) | 2016-08-08 | 2017-07-20 | For accommodating the housing and dust catcher of the reduction noise of the blower motor unit of dust catcher |
| CN201720974426.6U Active CN208590992U (en) | 2016-08-08 | 2017-08-07 | For accommodating the housing and dust catcher of the reduction noise of the blower motor unit of dust catcher |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720974426.6U Active CN208590992U (en) | 2016-08-08 | 2017-08-07 | For accommodating the housing and dust catcher of the reduction noise of the blower motor unit of dust catcher |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP3496584A1 (en) |
| CN (2) | CN109715021A (en) |
| DE (2) | DE202017006928U1 (en) |
| WO (1) | WO2018028740A1 (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102018126736A1 (en) * | 2018-10-26 | 2020-04-30 | Miele & Cie. Kg | Blower capsule device for reducing noise for a blower, blower system with a blower capsule device, and method for manufacturing a blower system |
| FR3089403B1 (en) * | 2018-12-07 | 2020-11-20 | Seb Sa | Household vacuum cleaner equipped with a sound absorption element |
| DE102019102020A1 (en) | 2019-01-28 | 2020-07-30 | Miele & Cie. Kg | vacuum cleaner |
| EP3937352B1 (en) * | 2020-07-08 | 2022-08-31 | Sick Ag | Connecting device for connecting a motor unit to a housing and method for connecting the motor unit to the housing by means of the connecting device |
| CN113576312B (en) * | 2021-07-07 | 2022-09-23 | 北京顺造科技有限公司 | Autonomous cleaning equipment and noise reduction air duct device thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3402603A1 (en) * | 1984-01-26 | 1985-08-01 | Electrostar Schöttle GmbH & Co, 7313 Reichenbach | Vacuum cleaner |
| DE9309229U1 (en) * | 1993-06-25 | 1993-08-26 | Hausgeräte Altenburg GmbH, 04600 Altenburg | Motor and component storage for electrical devices, especially vacuum cleaners |
| WO2004004535A1 (en) * | 2002-07-04 | 2004-01-15 | Aktiebolaget Electrolux | Noise reduction arrangement for a vacuum cleaner |
| CN1770599A (en) * | 2004-11-05 | 2006-05-10 | 三星光州电子株式会社 | Exhausting apparatus of motor assembly and vacuum cleaner having the same |
| EP1867265A2 (en) * | 2006-06-16 | 2007-12-19 | Fakir Hausgeräte GmbH | Vacuum cleaner |
| CN101123908A (en) * | 2005-02-17 | 2008-02-13 | 肖普Vac公司 | Removable internal air diffuser |
| EP2959816A1 (en) * | 2014-06-27 | 2015-12-30 | KingClean Electric Co., Ltd. | A vacuum cleaner having motor damping structure |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101212291B1 (en) | 2005-12-30 | 2012-12-12 | 삼성전자주식회사 | Vaccum Air Cleaner |
-
2017
- 2017-07-20 CN CN201780048656.2A patent/CN109715021A/en active Pending
- 2017-07-20 DE DE202017006928.8U patent/DE202017006928U1/en not_active Expired - Lifetime
- 2017-07-20 EP EP17751010.4A patent/EP3496584A1/en not_active Withdrawn
- 2017-07-20 DE DE112017003947.9T patent/DE112017003947A5/en not_active Withdrawn
- 2017-07-20 WO PCT/DE2017/100607 patent/WO2018028740A1/en unknown
- 2017-08-07 CN CN201720974426.6U patent/CN208590992U/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3402603A1 (en) * | 1984-01-26 | 1985-08-01 | Electrostar Schöttle GmbH & Co, 7313 Reichenbach | Vacuum cleaner |
| DE9309229U1 (en) * | 1993-06-25 | 1993-08-26 | Hausgeräte Altenburg GmbH, 04600 Altenburg | Motor and component storage for electrical devices, especially vacuum cleaners |
| WO2004004535A1 (en) * | 2002-07-04 | 2004-01-15 | Aktiebolaget Electrolux | Noise reduction arrangement for a vacuum cleaner |
| CN1770599A (en) * | 2004-11-05 | 2006-05-10 | 三星光州电子株式会社 | Exhausting apparatus of motor assembly and vacuum cleaner having the same |
| CN101123908A (en) * | 2005-02-17 | 2008-02-13 | 肖普Vac公司 | Removable internal air diffuser |
| EP1867265A2 (en) * | 2006-06-16 | 2007-12-19 | Fakir Hausgeräte GmbH | Vacuum cleaner |
| EP2959816A1 (en) * | 2014-06-27 | 2015-12-30 | KingClean Electric Co., Ltd. | A vacuum cleaner having motor damping structure |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2018028740A1 (en) | 2018-02-15 |
| DE112017003947A5 (en) | 2019-05-16 |
| EP3496584A1 (en) | 2019-06-19 |
| DE202017006928U1 (en) | 2018-11-16 |
| CN208590992U (en) | 2019-03-12 |
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