CN105725924B - Dust catcher and ducting assembly - Google Patents
Dust catcher and ducting assembly Download PDFInfo
- Publication number
- CN105725924B CN105725924B CN201610231747.7A CN201610231747A CN105725924B CN 105725924 B CN105725924 B CN 105725924B CN 201610231747 A CN201610231747 A CN 201610231747A CN 105725924 B CN105725924 B CN 105725924B
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- China
- Prior art keywords
- buffer storage
- storage room
- air duct
- air
- dust catcher
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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
- A47L9/10—Filters; Dust separators; Dust removal; Automatic exchange of filters
- A47L9/16—Arrangement or disposition of cyclones or other devices with centrifugal action
- A47L9/1658—Construction of outlets
- A47L9/1666—Construction of outlets with filtering means
-
- 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
Abstract
The invention discloses a kind of dust catcher and ducting assemblies, the dust catcher has cleaner inlets, dust catcher outlet and the air duct for connecting the cleaner inlets and dust catcher outlet, the dust catcher includes cyclone separator and electric machine assembly, the air duct flows through the cyclone separator and the electric machine assembly, the at least part of outside in air duct is equipped with buffer storage room, and the buffer storage room is connected to the air duct for making the gas in air duct flow into and out.Dust catcher according to the ... of the embodiment of the present invention, pass through at least part of outside setting buffer storage room in air duct, so that the buffer storage room not only can be with buffer gas flow, a certain amount of air can also be stored, so as to compensate wind loss, and then the noise of dust catcher is reduced, reach energy-saving and environment-friendly purpose, improves the market competitiveness of dust catcher.
Description
Technical field
The present invention relates to household electrical appliance technical fields, more particularly to a kind of dust catcher and ducting assembly.
Background technology
In the related technology, with the continuous development of dust catcher industry, requirement of the people to dust catcher is also higher and higher, to making
Experience requirements in are also increasingly stringenter, the sound especially generated in the dust catcher course of work, are become people and are chosen suction
One of the most important condition of dirt device.However, the dust catcher of the relevant technologies rests on traditional straight-through structure more, during use
Noise is very big, and (it is 72 decibels that wherein, human ear, which normally perceives comfortable sound, and the sound that conventional cleaners generate at work is
84 decibels to 88 decibels, so referred to as noise), to make people feel uncomfortable and irritated, and then influence making for dust catcher
With.
Invention content
The present invention is directed to solve at least some of the technical problems in related technologies.For this purpose, the present invention
One purpose is to propose one kind with dust catcher, and the lower noise of the dust catcher, performance are preferable.
It is another object of the present invention to propose a kind of ducting assembly.
Dust catcher according to the ... of the embodiment of the present invention, the dust catcher have cleaner inlets, dust catcher outlet and connection institute
The air duct of cleaner inlets and dust catcher outlet is stated, the dust catcher includes cyclone separator and electric machine assembly, the wind
Road flows through the cyclone separator and the electric machine assembly, and at least part of outside in air duct is equipped with buffer storage room, institute
It states buffer storage room and is connected to the air duct for making the gas in air duct flow into and out.
Dust catcher according to the ... of the embodiment of the present invention, by air duct at least part of outside buffer storage room is set,
So that the buffer storage room not only can also store a certain amount of air with buffer gas flow, so as to compensate wind loss,
And then the noise of dust catcher is reduced, reach energy-saving and environment-friendly purpose, improves the market competitiveness of dust catcher.
In addition, dust catcher according to the above embodiment of the present invention also has following additional technical characteristic：
According to some embodiments of the present invention, the outside at least part bending region in the air duct is equipped with the buffering
Storage room, the air-flow in the air duct flow through at least a part of air-flow when corresponding bending region and enter the buffer storage room
After flow back into the air duct.
According to some embodiments of the present invention, the cyclone separator includes：Cyclone cylinder, the bottom connection of the cyclone cylinder
The cleaner inlets, the air duct include that the dust and gas separation that spiral upwardly extends in the axial direction in the cyclone cylinder is logical
Road；Cyclone separator end cap, for the cyclone separator end cap on the cyclone cylinder, the air duct includes being defined in the whirlwind
The inside of separator end cap and the separator air-out passage for being connected to the dust and gas split tunnel, the separator air-out passage have
Cyclone outlet on the cyclone separator end cap.
Further, the cyclone cylinder is obliquely installed, and the cleaner inlets are connected to the cyclone cylinder in the horizontal direction
Lower end, the lower end of the cyclone cylinder is equipped with opposite with the cleaner inlets with corner that the cleaner inlets are connected to
First buffer storage room and the first through hole for being connected to the air duct and first buffer storage room.
In some embodiments of the invention, the buffer storage room includes be located on the outside of the dust and gas split tunnel
Two buffer storage rooms, second buffer storage room cover at least part of the dust and gas split tunnel, and the dust and gas point
From the second through-hole for being formed with connection second buffer storage room on the lateral wall in channel.
In some embodiments of the invention, the Cyclone outlet is formed in the side of the cyclone separator end cap
On wall, the buffer storage room includes be located in the roof and side wall of the separator air-out passage at least part outside the
Three buffer storage rooms, be formed on the lateral wall of the separator air-out passage be connected to third buffer storage room third it is logical
Hole.
According to some embodiments of the present invention, the air duct includes being connected to the cyclone separator and the electric machine assembly
Interface channel, the interface channel are respectively communicated with the cyclone separator and the electric machine assembly and the shape of middle part bending in both ends
Shape, the buffer storage room further includes the 4th buffer storage room being located on the outside of the interface channel upper wall, and the connection is logical
Road bending region is equipped with the fourth hole for being connected to the 4th buffer storage room.
Further, one end of the interface channel connect the other end of the cyclone separator and the interface channel to
Lower bending is connected to the electric machine assembly, and the 4th buffer storage room is located at the top of the interface channel.
In some embodiments of the invention, the volume V of third buffer storage room is connected according to the interface channel
It is second predetermined to connect described electric machine assembly one end for the first predetermined wind speed V1, the interface channel of described cyclone separator one end
The distance between wind speed V2, the bending region of the interface channel and the electric machine assembly L and third buffer storage room
The area S being connected to the air duct is determined, wherein volume V=k × S of third buffer storage room × V2 × L/ (V2-
V1), k is the proportionality constant in (0.5,1.5) range.
According to some embodiments of the present invention, noise reduction sound-absorbing part is filled in the buffer storage room.
The ducting assembly of embodiment according to a second aspect of the present invention, including wind-guiding air duct, the wind-guiding air duct includes along gas
The first flow and second flow channel that stream direction is sequentially connected, the first flow and the second flow channel are in the angle of predetermined angular
Making wind-guiding air duct bending, the outside of the bending part in the wind-guiding air duct is equipped with buffer storage room, and the wind-guiding air duct
Wall is equipped with the through-hole being connected to the buffer storage room and is used to make the air-flow in the wind-guiding air duct to flow into the buffer storage
Room is then refluxed for the wind-guiding air duct.
Further, there is the first flow the predetermined wind speed V3 of third, the second flow channel to have the 4th predetermined wind speed
The length of V4, the second flow channel are L, and the connection area in the buffer storage room and the wind-guiding air duct is S, the buffering
Volume V=k × S × V4 × L/ (V4-V3) of storage room, k are the proportionality constant in (0.5,1.5) range.
The additional aspect and advantage of the present invention will be set forth in part in the description, and will partly become from the following description
Obviously, or practice through the invention is recognized.
Description of the drawings
The above-mentioned and/or additional aspect and advantage of the present invention will become in the description from combination following accompanying drawings to embodiment
Obviously and it is readily appreciated that, wherein：
Fig. 1 is sectional view (wherein, the stream of arrow direction expression air duct interior air-flow of dust catcher according to the ... of the embodiment of the present invention
To)；
Fig. 2 is a partial view of Fig. 1；
Fig. 3 is another partial view of Fig. 1；
Fig. 4 is another partial view of Fig. 1；
Fig. 5 is the schematic diagram of cyclone separator in dust catcher according to the ... of the embodiment of the present invention；
Fig. 6 is the partial sectional view of Fig. 5；
Fig. 7 is the schematic diagram of ducting assembly according to the ... of the embodiment of the present invention.
Reference numeral：
Dust catcher 100, cleaner inlets 1, dust catcher outlet 2,
Air duct 3, dust and gas split tunnel 32, the second buffer storage room 321, the second through-hole 322, separator air-out passage 33,
Third buffer storage room 331, third through-hole 332, interface channel 35, the 4th buffer storage room 351,
Cyclone separator 4, cyclone cylinder 41, the first buffer storage room 411, first through hole 412, cyclone separator end cap 42,
Cyclone outlet 421, filter 43, electric machine assembly 5,
Ducting assembly 200, wind-guiding air duct 201, first flow 202, second flow channel 203, buffer storage room 204.
Specific implementation mode
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to for explaining the present invention, and is not considered as limiting the invention.
In the dust catcher of the relevant technologies, dirt cup structure uses the cyclone separating structure of center air inlet, dust laden air to pass through one
After the very short guiding of section, it is directly entered dirt cup and efficiently separates chamber, dust and gas is rapidly separated, after filter cotton secondary filter, gas
Stream from dirt cup upper cover side wall enter mute ducting system, that is, plenum chamber, flow into motor, from motor air outlet to inner motor cover after pass through
The noise reduction of inner motor cover aperture enters outsides cover of electric machinery and body to outsides cover of electric machinery swivel chamber, through the channel between inner motor cover and outer cover
The channel of formation returns to after outlet air sponge noise reduction in outside air.
However, in the dust catcher of the relevant technologies, there is no any noise-reduction means, high speed and energy in dust working portion
The air-flow of concentration is rapidly impinged upon by suction inlet on guide duct so that the noise washed away is reinforced amplification, washes away generated
Noise can quickly rebound, and to be spread out of by suction inlet, and then form noise pollution.In addition, entire air duct bend is excessive, flowed energy
It is lost larger, the air quantity for flowing through motor air inlet is also had a greatly reduced quality so that motor is in non-efficient working condition, causes the energy unrestrained
Take.
The present invention provides a kind of dust catcher 100, and dust catcher 100 includes the efficiently mute air channel structure of storage type, the storage
The efficiently mute air channel structure of formula can make the air-flow that speed is fast, energy is concentrated, the sound wave of high-energy by dispersion, buffering, even absorb,
And uniform and stable is transmitted to downstream, so as to reducing the noise for washing away generation；Air quantity is compensated simultaneously, motor is made to be in always
Efficient working condition, to reach energy-saving and environment-friendly purpose.
Dust catcher 100 according to the ... of the embodiment of the present invention is described in detail with reference to Fig. 1 to Fig. 7.
Specifically, referring to Fig.1, dust catcher 100 according to the ... of the embodiment of the present invention, dust catcher 100 has cleaner inlets
1, dust catcher outlet 2 and air duct 3.Air duct 3 connects cleaner inlets 1 and dust catcher outlet 2, and dust catcher 100 includes cyclonic separation
Device 4 and electric machine assembly 5, air duct 3 flow through cyclone separator 4 and electric machine assembly 5, and 3 at least part of outside of air duct is (for example, Fig. 1
In the center far from air duct 3 side) be equipped with buffer storage room, the buffer storage room is connected to air duct 3, the buffer storage room
For making the gas in air duct 3 flow into and out.As a result, when air-flow flows through air duct 3, not only may be used by the buffer storage room
With buffer gas flow, a certain amount of air can be also stored to compensate wind loss, so as to reduce the noise of dust catcher 100, is reached
To energy-saving and environment-friendly purpose, preferably meet the needs of users.
In addition, it is also provided with guide duct at the neighbouring buffer storage room in dust catcher 100, it can by the guide duct
To carry out certain guiding to entering the wind in air duct 3, so as to reduce the noise of dust catcher 100 to a certain extent, more
It meets the needs of users well.
Dust catcher 100 according to the ... of the embodiment of the present invention passes through at least part of outside setting buffer storage in air duct 3
Room so that the buffer storage room not only can also store a certain amount of air with buffer gas flow, so as to compensate air quantity damage
It loses, and then reduces the noise of dust catcher 100, reach energy-saving and environment-friendly purpose, improve the market competitiveness of dust catcher 100.
In addition, referring to Fig.1, the buffer storage room is connected to air duct 3, the buffer storage room may be provided in appointing for air duct 3
Meaning position, the buffer storage room can be multiple.It is energy saving to reduce noise thereby, it is possible to which air quantity is replenished in time,
And then improve the performance of dust catcher 100.
Wherein, air-flow is sucked from cleaner inlets 1 in air duct 3, and cyclonic separation is flowed through after multiple buffer storage rooms buffer
Device 4 and electric machine assembly 5, finally by 2 outflow of dust catcher outlet.
According to some embodiments of the present invention, in conjunction with Fig. 1, the outside at least part bending region in air duct 3 is equipped with institute
Buffer storage room is stated, when the air-flow in air duct 3 flows through corresponding bending region, at least part air-flow enters buffer storage room
After flow back into air duct 3.When air-flow flows through air duct 3 as a result, certain buffering can carry out air-flow by buffer storage room,
A certain amount of air can also be stored to compensate wind loss, so as to reduce the noise of dust catcher 100, reach energy-saving and environment-friendly
Purpose is preferably met the needs of users.
Here, it should be noted that buffer storage room is necessary for confined space and is connected to air duct 3.Buffer storage room with
The structure that air duct 3 is connected to can be small structure, reticular structure or elastomer air door structure, and the present invention is to buffer storage room
Specific installation position is not construed as limiting, and the setting quantity of buffer storage room and installation position can adaptability tune according to actual needs
It is whole.
Preferably, buffer storage room is located at the bending place in air duct 3, as a result, the energy-saving and noise-reducing effect of dust catcher 100 is most
It is apparent.
According to some embodiments of the present invention, referring to figure 5 and figure 6, cyclone separator 4 includes：Cyclone cylinder 41 and whirlwind point
From device end cap 42.
Specifically, referring to figure 5 and figure 6 and in conjunction with Fig. 1 and Fig. 4, the bottom of cyclone cylinder 41 in Fig. 5 or Fig. 6 (for example, revolve
The lower part of air duct 41) connection cleaner inlets 1, air duct 3 includes dust and gas split tunnel 32, and dust and gas split tunnel 32 is in cyclone cylinder 41
Inside in the axial direction (for example, upper and lower directions shown in Fig. 5 or Fig. 6) spiral upwards (for example, shown in Fig. 5 or Fig. 6 to
On) extend.Cyclone separator end cap 42 is located on cyclone cylinder 41, and air duct 3 includes separator air-out passage 33, and separator outlet air is logical
Road 33 is defined in the inside (for example, adjacent to the side at the center of cyclone separator end cap 42 in Fig. 6) of cyclone separator end cap 42,
Separator air-out passage 33 is connected to dust and gas split tunnel 32, and separator air-out passage 33 has Cyclone outlet 421, whirlwind
Separator outlet 421 is located on cyclone separator end cap 42.It is easy to dust laden air as a result, via cleaner inlets 1 again by whirlwind
Cylinder 41 bottom spirally enter dust and gas split tunnel 32 in, make dust laden air be separated into cyclone separator 4 air and
Dust etc., dust etc. will be separated and cyclone cylinder 41 of dishing out, and the air after separation will be through 421 row of Cyclone outlet
Go out.
In addition, in conjunction with Fig. 5 and Fig. 6, filter 43 is also provided between cyclone cylinder 41 and cyclone separator end cap 42,
Cyclone separator 4 is discharged for being filtered to dust laden air, to pass the gas through filter 43 in filter 43.Filter 43
The upper end upper end of filter 43 (for example, in Fig. 5 or Fig. 6) is connected to Cyclone outlet 421, and the upper end seal of filter 43
Close all edges of Cyclone outlet 421 so that dust laden air is not easy directly only to pass through by Cyclone outlet 421
43 filtered air of filter is easy to that cyclone separator 4, the lower end of filter 43 is discharged via Cyclone outlet 421
The lower end of filter 43 (for example, in Fig. 5 or Fig. 6) stretches into cyclone cylinder 41.
Further, cyclone cylinder 41 is obliquely installed (in conjunction with Fig. 1) referring to figure 5 and figure 6 and combined with Figure 1 and Figure 2, and dust suction
Device entrance 1 is connected to the lower end lower end of cyclone cylinder 41 (for example, in Fig. 5 or Fig. 6) of cyclone cylinder 41 in the horizontal direction, cyclone cylinder 41
The corner that lower end is connected to cleaner inlets 1 is equipped with the first buffer storage room 411 and first through hole 412 (in conjunction with Fig. 2), the
One buffer storage room 411 is opposite with cleaner inlets 1, and first through hole 412 is connected to air duct 3 and the first buffer storage room 411.By
This, when air-flow is sucked through cleaner inlets 1, a certain amount of air can flow into the first buffer storage room 411, through the first buffering
Storage room 411 is further flowed into from first through hole 412 in dust and gas split tunnel 32 after buffering, and can reduce gas in air duct 3 in this way
The impact of stream simultaneously reduces energy loss, to reach reduction noise, energy-saving and environment-friendly purpose.
In some embodiments of the invention, referring to Fig.1 and Fig. 6, buffer storage room includes the second buffer storage room 321,
Second buffer storage room 321 is located at 32 outside of dust and gas split tunnel (for example, one far from 32 center of dust and gas split tunnel in Fig. 6
Side), the second buffer storage room 321 covers at least part of dust and gas split tunnel 32, and the lateral wall of dust and gas split tunnel 32
On be formed with the second through-hole 322, the second through-hole 322 is connected to the second buffer storage room 321.It is logical to flow through dust and gas separation for air-flow as a result,
When road 32, partial air, which can enter in the second buffer storage room 321, carries out buffer-stored, is then flowed again via the second through-hole 322
Go out, air-flow further flows into separator air-out passage 33, can reduce the impact of 3 interior air-flow of air duct in this way and reduce energy damage
It loses, to reach reduction noise, energy-saving and environment-friendly purpose.
In some embodiments of the invention, in conjunction with Fig. 1 and Fig. 3 and with reference to Fig. 6, Cyclone outlet 421 is formed in
On the side wall of cyclone separator end cap 42, buffer storage room include in the roof and side wall for be located at separator air-out passage 33 at least
It is logical to be formed with third on the lateral wall of separator air-out passage 33 for the third buffer storage room 331 (with reference to Fig. 3) in a part of outside
Hole 332, third through-hole 332 are connected to third buffer storage room 331.When air-flow flows through separator air-out passage 33 as a result, part is empty
Gas, which can enter, carries out buffer-stored in third buffer storage room 331, then flow out via third through-hole 332, can drop so again
The impact of low-flow simultaneously reduces energy loss, to reach reduction noise, energy-saving and environment-friendly purpose.
For example, in the example of Fig. 1 and Fig. 3, buffer storage room includes roof and the side for being located at separator air-out passage 33
The third buffer storage room 331 in wall at least part outside.Certainly, in other embodiments of the invention, buffer storage room
It can only include the third buffer storage room 331 in the side wall at least part outside for being located at separator air-out passage 33.It can be with
It is the third buffer storage room that buffer storage room only includes the roof at least part outside for being located at separator air-out passage 33
331.The specific installation position of third buffer storage room 331 and set-up mode can be adaptively adjusted according to actual needs.
According to some embodiments of the present invention, with reference to Fig. 4 and in conjunction with Fig. 1, air duct 3 includes interface channel 35, interface channel
35 connection cyclone separators 4 and electric machine assembly 5, interface channel 35 in both ends be respectively communicated with cyclone separator 4 and electric machine assembly 5 and
The shape of middle part bending, buffer storage room further include the 4th buffer storage room 351 being located on the outside of 35 upper wall of interface channel, and even
Connect the fourth hole (not shown) that 35 bending region of road is equipped with the 4th buffer storage room 351 of connection.Air-flow flows through connection as a result,
When channel 35, partial air, which can enter in the 4th buffer storage room 351, carries out buffer-stored, then again via the fourth hole
Air duct 3 is flowed back to, the impact of 3 interior air-flow of air duct can be reduced in this way and reduces energy loss, to reach reduction noise, energy-saving ring
The purpose of guarantor.
For example, in the example of fig. 1, one end of interface channel 35 right end of interface channel 35 (for example, in Fig. 1) connection rotation
Wind separator 4, the other end left end of interface channel 35 (for example, in Fig. 1) the connection electric machine assembly 5 of interface channel 35, connection are logical
Road 35 is in the shape of middle part bending.Preferably, the 4th buffer storage room 351 is located at the bending part of interface channel 35.As a result,
The energy-saving and noise-reducing effect of dust catcher 100 is the most apparent.
Further, with reference to Fig. 4 and in conjunction with Fig. 1, one end connection cyclone separator 4 and interface channel 35 of interface channel 35
The other end bend downward connection electric machine assembly 5, the 4th buffer storage room 351 is located at the top of interface channel 35.For example, scheming
In 1 example, the 4th buffer storage room 351 is located at the top of the bending place of interface channel 35, leads to as a result, when air-flow flows through connection
When road 35, partial air, which can enter in the 4th buffer storage room 351, carries out buffer-stored, then again via the fourth hole stream
In air -return duct 3, the impact of 3 interior air-flow of air duct can be reduced in this way and reduces energy loss, to preferably reach reduction noise,
Energy-saving and environment-friendly purpose.
In some embodiments of the invention, referring to Fig.1, the volume V of third buffer storage room 331 can be logical according to connection
Road 35 connects the first predetermined wind speed V1 of 4 one end of cyclone separator, interface channel 35 connects the second of 5 one end of electric machine assembly and makes a reservation for
The distance between wind speed V2, the bending region of interface channel 35 and electric machine assembly 5 L and third buffer storage room 331 and air duct
The area S of connection is determined, wherein volume V=k × S × V2 × L/ (V2-V1) of third buffer storage room 331, k be (0.5,
1.5) proportionality constant in range.Pass through the described first predetermined wind speed V1, the second predetermined wind in interface channel 35 as a result,
The distance between fast V2, the bending region of interface channel 35 and electric machine assembly 5 L and third buffer storage room 331 connect with air duct
Logical area S can go out the volume V of third buffer storage room 331 with approximate calculation, so as to substantially determine third buffer storage
The air quantity stored in room 331.
Some specific embodiments according to the present invention are filled with noise reduction sound-absorbing part in buffer storage room.Wherein, the noise reduction
Sound-absorbing part can be sound absorbing cotton or abatvoix etc..By the way that a variety of noise reduction sound-absorbing parts of multilayer are arranged in buffer storage room so that again
The secondary air-flow into air duct 3 becomes more gentle uniform.In addition, the air of buffer storage indoor storage also can be with the gas after buffering
Stream enters air duct 3, for making up the flow loss in air duct 3 after turning, to ensure the consistency of flow before and after 3 inner curve of air duct,
Motor is set to be in efficient operation state always.
The ducting assembly 200 of embodiment according to a second aspect of the present invention with reference to Fig. 7 and combines Fig. 1, including wind-guiding air duct
201, wind-guiding air duct 201 includes first flow 202 and second flow channel 203, and first flow 202 and second flow channel 203 are along air-flow side
To being sequentially connected, first flow 202 and second flow channel 203 make 201 bending of wind-guiding air duct, wind-guiding air duct in the angle of predetermined angular
The outside (for example, the side at the center far from wind-guiding air duct 201 in Fig. 7) of 201 bending part is equipped with buffer storage room 204, and
The wall in wind-guiding air duct 201 is equipped with the through-hole (not shown) being connected to buffer storage room 204, and the through-hole is for making wind-guiding air duct
Air-flow in 201 flows into buffer storage room 204 and is then refluxed for wind-guiding air duct 201.It as a result, can be with by buffer storage room 204
Certain buffering and storage are carried out to the air-flow via 201 bending part of wind-guiding air duct, so as to reduce by 201 infolding of wind-guiding air duct
The impact of crook air-flow simultaneously reduces energy loss, and then reaches reduction noise, energy-saving and environment-friendly purpose.
Preferably, buffer storage room 204 is located to the bending part in wind-guiding air duct 201, as a result, energy-saving and noise-reducing effect is more
It is apparent.
Further, in conjunction with Fig. 7, first flow 202 has the predetermined wind speed V3 of third, second flow channel 203 pre- with the 4th
Determine wind speed V4, the length of second flow channel 203 is L, and the connection area in buffer storage room 204 and wind-guiding air duct 201 is S, buffering
Volume V=k × S × V4 × L/ (V4-V3) of storage room 204, k are the proportionality constant in (0.5,1.5) range.Lead to as a result,
Cross the predetermined wind speed V3 of the third in wind-guiding air duct 201, the 4th predetermined wind speed V4, wind-guiding air duct 201 bending region
The area S that the distance between electric machine assembly 5 L and buffer storage room 204 are connected to wind-guiding air duct 201 can be gone out with approximate calculation
The volume V of buffer storage room 204, so as to substantially determine the air quantity stored in buffer storage room 204.
Ducting assembly 200 according to the ... of the embodiment of the present invention can make the sound wave for the air-flow, high-energy that speed is fast, energy is concentrated
It by dispersion, buffering, even absorbs, and uniform and stable is transmitted to downstream, so as to reducing the noise for washing away generation；It mends simultaneously
Air quantity is repaid, so that motor is in efficient working condition always, to reach energy-saving and environment-friendly purpose.
In addition, ducting assembly 200 provided by the invention can solve to wash away generated noise in the related technology well, lead to
It crosses setting buffer storage room 204 and carrys out buffer gas flow, meanwhile, according to the relationship in aperture and wave length of sound, using different size of small
Hole and quieter material absorb the sound wave of different frequency, are absorbed while buffer gas flow and wash away sound wave so that wash away noise
It is greatly diminished；On the other hand, air quantity is compensated by the way that the buffer storage room of different spaces size is arranged, motor is made to be in always
Efficient working condition reaches energy-saving and environment-friendly purpose.
Motor of dust collector at work, concentrates on its working efficiency highest, i.e., flow at this time when φ 13mm~φ 23mm
Range 10L/S~20L/S can meet the traffic requirement when the air duct of motor front end bending does not occur；However, in reality
Structure design in, it is unavoidable to bend, especially in cyclone separator 4, therefore air-flow can not be avoided the occurrence of curved
Energy loss in the air duct 3 of folding makes motor be in non-efficient working condition.The invention is intended to provide a kind of method to solve
The problem of stating energy loss：I.e. in air duct 3 bending place (bending place effect is best, also can in air duct 3 any place) setting is slow
Storage room is rushed, buffer storage room is made to store a certain amount of air in advance, to compensate the underfed caused by bend loss.
We can carry out the approximate space size for calculating buffer storage room by experimental data, it is assumed that be surveyed by experiment
, air-flow speed before not turning round is V1, and speed is V2 after turn, is at this time L, buffer storage room apart from motor air inlet distance
Discharge area be S, then buffer storage building volume V ≈ S × V2 × L/ (V2-V1).When motor air inlet front end air duct have it is multiple
When turn, can increase buffer storage room with similar method makes motor remain efficient fortune to compensate the air quantity of loss
Turn.On the other hand, increase the sound-absorbing materials such as silencing cotton in the buffer storage room of setting, can effectively alleviate and wash away noise, it is real
Now efficiently mute purpose.Especially in the complete machine air duct 3 of dust catcher 100, including the air inlet of 41 bottom of cyclone cylinder, dust and gas point
From in channel 32, in separator air-out passage 33, in Cyclone outlet 421 and interface channel 35.
It describes that the several of buffer storage room are arranged in the air duct 3 of dust catcher 100 according to the present invention with reference to Fig. 1 to Fig. 7
A embodiment.
Embodiment one：
With reference to Fig. 2 and Fig. 1 is combined, is led when the air-flow of high speed and energy concentration is rapidly impinged upon by dust catcher import 1
When on air hose, because striking face is arranged to be connected to the first buffer storage room 411, delay so most air-flows are imported into first
It rushes in storage room 411, so as to avoid noise is washed away, while a variety of noise reduction sound-absorbings of multilayer is equipped in the first buffer storage room 411
Material, so the air-flow for being again introduced into air duct 3 becomes flat uniformly；On the other hand, it is stored in 411 space of the first buffer storage room
Air can also enter in air duct 3 with the air-flow after buffering, come make up turning after air duct 3 flow, to ensure to flow before and after bend
That measures is consistent, and motor is made to be in efficient operation state always.In addition, the first buffer storage room 411 be necessary for confined space and with
Air duct 3 is connected to；The structure that first buffer storage room 411 is connected to air duct 3 can be aperture, netted or elastomer air door；First
The installation position of buffer storage room 411 is not especially limited, but bending place effect is the most apparent.
Embodiment two：
With reference to Fig. 6 and Fig. 1 is combined, can not all avoid changing airflow direction to detach the structure of dust by cyclonic principle,
So inevitably flowed energy can be caused to reduce, therefore, entering dust and gas split tunnel 32 and separator air-out passage 33
Throughput is laid in the second buffer storage room 321 of preceding setting in advance, loss when air duct 3 is bent is replenished in time.Especially in gas
When flowing direction change close to 90 °, the influence to air duct 3 is maximum, and needs the optimum bit that the second buffer storage room 321 is arranged
It sets.
Embodiment three：
With reference to Fig. 3, Fig. 6 and Fig. 1 is combined, when air-flow is by dust and gas split tunnel 32 and the filtering stream of separator air-out passage 33
It is unavoidable to be redirected again when going out cyclone separator 4, that is, it turns round, at this time since direction is 90 ° of changes,
To washing away greatly for cyclone separator end cap 42, while the noise generated is also particularly evident, and setting third buffer storage room 331 is more
It is important.
Example IV：
With reference to Fig. 4 and Fig. 1 is combined, enters electric machine assembly 5 when air-flow flows through interface channel 35 by Cyclone outlet 421
When, motor air inlet front end often has one section to need guide duct to connect, and space is limited by structure, can unavoidable change
It obtains narrow and is bent, therefore, the 4th buffer storage room 351, which is arranged, in bending place to supplement flow directly to motor, absorb simultaneously
Electric motor with vane wheel high frequency noise plays the purpose of good noise-reduction to avoid the high frequency noise of motor to ambient radiation.
The course of work of dust catcher 100 according to the ... of the embodiment of the present invention is described in detail with reference to Fig. 1 to Fig. 7.
Specifically, air-flow is flowed into via cleaner inlets 1 in air duct 3, air-flow is carried out by the first buffer storage room 411
Buffer-stored, flowed back in air duct 3 via first through hole 412；Air-flow again flows into cyclone separator 4, flows into dust and gas point first
From channel 32, the buffer-stored of air-flow is carried out via the second buffer storage room 321, is flowed back in air duct 3 via the second through-hole 322；
Air-flow again flows into separator air-out passage 33, the buffer-stored of air-flow is carried out via third buffer storage room 331, via third
Through-hole 332 flows back in air duct 3；Air-flow again flows into interface channel 35, and the buffering of air-flow is carried out via the 4th buffer storage room 351
Storage, is flowed back to via the fourth hole in air duct 3, after electric machine assembly 5, finally by 2 outflow of dust catcher outlet.
Wherein, a variety of noise reduction sound-absorbing materials of multilayer are equipped in buffer storage room so that the air-flow being again introduced into air duct 3
It becomes flat uniformly；On the other hand, the air stored in buffer storage room also can enter air duct 3 with the air-flow after buffering, be used for
The flow loss in air duct 3 after turning is made up, to ensure the consistent of flow before and after bend, electric machine assembly 5 is made to be in efficient always
Working condition.In addition, buffer storage room is necessary for confined space, and it is connected to air duct 3；The buffer storage room connects with air duct 3
Logical structure can be small structure, reticular structure or elastomer air door structure；Buffer storage room installation position is not construed as limiting, but
Bending place effect is the most apparent.So far the course of work of dust catcher 100 according to the ... of the embodiment of the present invention is completed.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means particular features, structures, materials, or characteristics described in conjunction with this embodiment or example
It is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms need not
It must be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be any
It can be combined in any suitable manner in a or multiple embodiments or example.In addition, without conflicting with each other, the technology of this field
The feature of different embodiments or examples described in this specification and different embodiments or examples can be combined by personnel
And combination.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is not considered as limiting the invention, those skilled in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, changes, replacing and modification.
Claims (6)
1. a kind of dust catcher, the dust catcher has cleaner inlets, dust catcher outlet and connects the cleaner inlets and institute
The air duct of dust catcher outlet is stated, the dust catcher includes cyclone separator and electric machine assembly, and the air duct flows through the whirlwind point
From device and the electric machine assembly, which is characterized in that the cyclone separator includes：Cyclone cylinder, the bottom connection of the cyclone cylinder
The cleaner inlets, the air duct include that the dust and gas separation that spiral upwardly extends in the axial direction in the cyclone cylinder is logical
Road；Cyclone separator end cap, for the cyclone separator end cap on the cyclone cylinder, the air duct includes being defined in the whirlwind
The inside of separator end cap and the separator air-out passage for being connected to the dust and gas split tunnel, the separator air-out passage have
Cyclone outlet on the cyclone separator end cap；At least part of outside in air duct is equipped with buffer storage
Room, the buffer storage room are connected to the air duct for making the gas in air duct flow into and out；Wherein, the buffer storage room
Including at least one of the first buffer storage room, the second buffer storage room, third buffer storage room and the 4th buffer storage room,
Wherein, when the buffer storage room includes the first buffer storage room, the cyclone cylinder is obliquely installed, and the suction
Dirt device entrance is connected to the lower end of the cyclone cylinder in the horizontal direction, and first buffer storage room is located at the lower end of the cyclone cylinder
With the corner of cleaner inlets connection and, the lower end of the cyclone cylinder and the dust suction opposite with the cleaner inlets
The corner of device entrance connection is equipped with the first through hole in the connection air duct and first buffer storage room；
Wherein, when the buffer storage room includes the second buffer storage room, second buffer storage room is located at described
On the outside of dust and gas split tunnel, second buffer storage room covers at least part of the dust and gas split tunnel, and the dirt
The second through-hole for being connected to second buffer storage room is formed on the lateral wall of gas split tunnel；
Wherein, when the buffer storage room includes the third buffer storage room, the Cyclone outlet is formed in institute
On the side wall for stating cyclone separator end cap, third buffer storage room be located at the cyclone separator air-out passage roof and
In side wall on the outside of at least part, the connection third buffering storage is formed on the lateral wall of the cyclone separator air-out passage
Deposit the third through-hole of room；
Wherein, when the buffer storage room includes the 4th buffer storage room, the air duct includes being connected to the whirlwind point
Interface channel from device and the electric machine assembly, the interface channel are respectively communicated with the cyclone separator and the electricity in both ends
Thermomechanical components and the shape of middle part bending, the 4th buffer storage room is located on the outside of the interface channel upper wall, and the connection
Channel bending region is equipped with the fourth hole for being connected to the 4th buffer storage room.
2. dust catcher according to claim 1, which is characterized in that the outside at least part bending region in the air duct
Equipped with the buffer storage room, the air-flow in the air duct when flowing through corresponding bending region at least a part of air-flow enter institute
It is flowed back into the air duct after stating buffer storage room.
3. dust catcher according to claim 1, which is characterized in that one end of the interface channel connects the cyclonic separation
Device and the other end bend downward the connection electric machine assembly, and the 4th buffer storage room is located at the top of the interface channel.
4. dust catcher according to claim 1, which is characterized in that the volume V of third buffer storage room is according to
Interface channel connects the first predetermined wind speed V1 of described cyclone separator one end, the interface channel connects the electric machine assembly one
The second predetermined wind speed V2 at end, the bending region of the interface channel and the distance between electric machine assembly L and described the
The area S that three buffer storage rooms are connected to the air duct is determined, wherein volume V=k × S of third buffer storage room ×
V2 × L/ (V2-V1), k are the proportionality constant in (0.5,1.5) range.
5. according to the dust catcher described in any one of claim 1-4, which is characterized in that be filled with and disappear in the buffer storage room
Sound sound-absorbing part.
6. a kind of ducting assembly, which is characterized in that including wind-guiding air duct, the wind-guiding air duct includes being sequentially connected along airflow direction
First flow and second flow channel, the first flow and the second flow channel make the wind-guiding air duct in the angle of predetermined angular
Bending, the outside of the bending part in the wind-guiding air duct are equipped with buffer storage room, and the wall in the wind-guiding air duct be equipped with it is described
The through-hole of buffer storage room connection is used to make the air-flow inflow buffer storage room in the wind-guiding air duct to be then refluxed for institute
State wind-guiding air duct；
There is the first flow the predetermined wind speed V3 of third, the second flow channel to have the 4th predetermined wind speed V4, the second
The length in road is L, and the connection area in the buffer storage room and the wind-guiding air duct is S, the volume V of the buffer storage room
=k × S × V4 × L/ (V4-V3), k are the proportionality constant in (0.5,1.5) range.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610231747.7A CN105725924B (en) | 2016-04-14 | 2016-04-14 | Dust catcher and ducting assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610231747.7A CN105725924B (en) | 2016-04-14 | 2016-04-14 | Dust catcher and ducting assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105725924A CN105725924A (en) | 2016-07-06 |
| CN105725924B true CN105725924B (en) | 2018-10-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610231747.7A Active CN105725924B (en) | 2016-04-14 | 2016-04-14 | Dust catcher and ducting assembly |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107320015B (en) * | 2017-06-26 | 2023-06-20 | 美的集团股份有限公司 | Dust collector |
| CN108178501B (en) * | 2018-02-05 | 2024-02-27 | 武汉烽火锐拓科技有限公司 | Muffle tube for sintering loose body of preform and use method thereof |
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|---|---|---|---|---|
| CN1128128A (en) * | 1993-09-17 | 1996-08-07 | 三星电子株式会社 | Heating and cooling air conditioner |
| US5907888A (en) * | 1996-09-10 | 1999-06-01 | Kwangju Electronics Co., Ltd. | Suction nozzle of vacuum cleaners |
| CN203841612U (en) * | 2014-04-14 | 2014-09-24 | 江苏美的春花电器股份有限公司 | Vacuum cleaner |
| CN205849389U (en) * | 2016-04-14 | 2017-01-04 | 江苏美的清洁电器股份有限公司 | Vacuum cleaner and ducting assembly |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5519144A (en) * | 1978-07-27 | 1980-02-09 | Tokyo Electric Co Ltd | Inlet body of vacuum cleaner |
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2016
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1128128A (en) * | 1993-09-17 | 1996-08-07 | 三星电子株式会社 | Heating and cooling air conditioner |
| US5907888A (en) * | 1996-09-10 | 1999-06-01 | Kwangju Electronics Co., Ltd. | Suction nozzle of vacuum cleaners |
| CN203841612U (en) * | 2014-04-14 | 2014-09-24 | 江苏美的春花电器股份有限公司 | Vacuum cleaner |
| CN205849389U (en) * | 2016-04-14 | 2017-01-04 | 江苏美的清洁电器股份有限公司 | Vacuum cleaner and ducting assembly |
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| Publication number | Publication date |
|---|---|
| CN105725924A (en) | 2016-07-06 |
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