CN106175595A - Can the air filter of back flush - Google Patents
Can the air filter of back flush Download PDFInfo
- Publication number
- CN106175595A CN106175595A CN201610333417.9A CN201610333417A CN106175595A CN 106175595 A CN106175595 A CN 106175595A CN 201610333417 A CN201610333417 A CN 201610333417A CN 106175595 A CN106175595 A CN 106175595A
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- China
- Prior art keywords
- air
- filter
- back flush
- chamber
- aspirate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
- A47L9/20—Means for cleaning filters
-
- 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
- A47L9/106—Dust removal
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
- Nozzles For Electric Vacuum Cleaners (AREA)
Abstract
The present invention relates to a kind of can the air filter of back flush, there is the filter element making pure air chamber be isolated with aspirate chamber, in filtering operation, air to be cleaned flows through filter element from the direction in aspirate chamber towards the direction in pure air chamber, and flushing out air flows through filter element from the direction in pure air chamber towards the direction in aspirate chamber in back flush runs, to remove the aspirate of accumulation on the side towards aspirate chamber of filter element, wherein, the air filter of back flush can have guiding device on the side being associated with pure air chamber, it has the suction air outlet for making cleaned air discharge from pure air chamber, for making auxiliary air enter the auxiliary air inlet port in pure air chamber and for the connector being connected on base station in pure air chamber.The invention still further relates to a kind of vacuum cleaner, have this can back flush air filter and a kind of run this can the method for air filter of back flush.
Description
Technical field
The present invention relates to a kind of can the air filter of back flush, be particularly useful for vacuum cleaner, described can be anti-
There is the filter element making pure air chamber be isolated with aspirate chamber, in mistake to the air filter rinsed
During filter runs, air to be cleaned flows through described from the direction in aspirate chamber towards the direction in pure air chamber
Filter element, and back flush run in flushing out air from the direction in pure air chamber towards aspirate
Described filter element is flow through in the direction in chamber, in order to remove at described filter element towards described aspirate chamber
Side on accumulation aspirate.
Background technology
Above-mentioned this can the air filter of back flush be known in the prior art.Air filter
It is generally used for cleaning the air being loaded with aspirate.Air filter is used, in order to protect suction in conjunction with vacuum cleaner
The aspirate that the fan of dirt device is not drawn into covers.Run by the dust suction of vacuum cleaner and filtering element often occurred
Part is sucked thing and gradually covers.Filter element is thus dirty along with the increase of the duration of operation so that
Need with regular time interval back flush air filter.
Such as patent documentation DE 195 17 197 A1 disclose a kind of for vacuum cleaner can back flush
Air filter, this air filter has filter element, for back flush, by the pressure of vacuum cleaner
Contracting machine flows through this filter element with being in reverse to the common flow direction for filtering operation.Compressor has
Two valve bodies, can make flow direction run switching from filtering operation to back flush by it.This valve body
It it is manual switching.
This air filter disadvantageously, in view of back flush run, this air filter is only
Properly functioning in conjunction with the vacuum cleaner with the compressor possessing the corresponding valve body for switching flow direction.
Summary of the invention
The technical problem to be solved is, it is provided that a kind of can the air filter of back flush,
It can the most easily from filter run towards back flush run switching, or vice versa.
Described technical problem according to the present invention by a kind of can back flush air filter solve, described
The air filter of back flush can have guiding device on the side being associated with described pure air chamber,
Described guiding device has the suction air for making cleaned air discharge from described pure air chamber
Outlet, for make auxiliary air enter described pure air chamber auxiliary air inlet port and for by institute
State the connector that pure air chamber is connected on base station.
According to the present invention, guiding device has the filtration operation for realizing air filter or back flush
The multiple openings run.Here, described guiding device can be the integrated ingredient of filter element,
Can also be can be separately arranged on air filter as adapter.In particular, guiding device tool
Having housing regional area, described shell part to have multiple can be that the filtration of air filter runs or anti-
To rinsing the flow passage and air outlet or air inlet port running switching.Specifically, described water conservancy diversion
Device has suction air outlet, auxiliary air inlet port and connector.
Described suction air outlet is discharged from pure air chamber for making cleaned air.Can be reverse
When the common filtration of air filter rinsed runs, cleaned air is discharged by described suction air
Mouth is transported to the fan of vacuum cleaner from filter element.To this end, be loaded with the air of aspirate by vacuum cleaner
Filter chamber in aspirate, can the air filter of back flush be positioned in filter chamber.Here, aspirate is amassed
Gather on the side towards aspirate chamber of filter element, be cleaned of the air of aspirate by leading simultaneously
Stream device from the suction air outlet fan flow to vacuum cleaner and is finally discharged into surrounding.
Described auxiliary air inlet port for can back flush air filter back flush run
Time make auxiliary air enter pure air chamber.Here, described auxiliary air flows to guiding device and from clean
The direction of headroom air cavity is applied to towards the direction in aspirate chamber can be on the air filter of back flush.Institute
State auxiliary air therefrom or the filter chamber of base station to be arrived or the second vacuum cleaner can be arrived
Filter chamber.Flow through filter element by the direction to run in contrast to filtration to make at filter element towards suction
On the side in thing chamber, the aspirate of accumulation comes off and is transported in the filter chamber of outside.
Additionally, described guiding device also has the connector for making pure air chamber be connected on base station.
Described connector is used for implementing back flush and runs, and wherein cleans the aspirate of accumulation on filter element.
In order to back flush runs, make to have can back flush air filter vacuum cleaner by connector even
Being connected in the filter chamber of base station, removable filter bag is usually located in base station.Can by described connector
So that (by separate back flush interface) from can the air filter of back flush to aspirate room, base station
The air that guides of filter bag arrive described guiding device and arrive the fan of vacuum cleaner with this, in order to whole
Formed on body from auxiliary air inlet port through filter element and through base station to the stream of fan of vacuum cleaner
Dynamic path.
Advising at this, described guiding device has and can shift between strain position and back flush position
Valve element.Different stream can be realized relative to the movement of the opening of guiding device by valve element
Dynamic path, in order to realize the filtration operation of air filter of back flush or back flush running.Have
Profit, the movement of valve element makes multiple opening open or close at this simultaneously, in order to guiding device
The quantity of the motor element that must have is the fewest.This achieves the system of special low cost on the whole
Make.
Additionally advising, described valve element is constructed and arranged so that described valve element is filtering position
Put middle closing described auxiliary air inlet port and described connector, and open institute in back flush position
State auxiliary air inlet port and described connector, make described suction air outlet enter with described auxiliary air
Entrance fluid technique ground cuts off and makes described suction air outlet and described connector fluid technique ground
Connect.Uniquely being shifted by valve element with this can be especially while ground be closed or opens different opening
Mouthful, in order to can simultaneously switch, just for the flow passage realized needed for filtering operation or back flush operation
It is to say to open or block.At the strain position that the air being loaded with aspirate is aspirated to the filter chamber of vacuum cleaner
In, dispose the fan of the pure air arrival vacuum cleaner of aspirate by filter element so that only open
The suction air outlet of guiding device, in order to guarantee the highest pumping power.Therefore, for mistake
Filter run it is suggested that, close auxiliary air inlet port and connector so that only provide by can reversely rush
Unique flow passage of the air filter washed.By contrast, in back flush run location, should
This opens all openings, that is not only auxiliary air inlet port and connector, also has suction air to discharge
Mouthful, in order to realize from auxiliary air inlet port through filter element and base station the stream to suction air outlet
Dynamic.Here, in order to avoid in guiding device from auxiliary air inlet port to suction air outlet straight
Connect flowing, cut off with auxiliary air inlet port with making suction air outlet fluid technique.Guiding device
The displacement of unique element, i.e. valve element realizes by can the air filter of back flush or lead at this
The switching of the flow passage of stream device.
Advising at this, described valve element is movably disposed within described guiding device, is especially arranged in
In described guiding device.At this advantageously, the regional area of guiding device is used for guiding valve element.
The most described regional area can construct according to the mode of grafting chute.It is particularly suitable, described valve
Element can be moved towards back flush position from strain position by the negative pressure being internally formed in pure air chamber
Dynamic, in order to can be according to the current desired position of negative pressure identification in pure air intracavity and/or guiding device
(filter and run or back flush operation).The most certainly it is also recognized that described in guiding device
Manual type or the electric motor type of valve element move, but still advise with the present invention being formed based in filter chamber
Negative pressure move.
In addition advising, described valve element has locking device, the most swingable valve flashboard, institute
The regional area stating locking device and described guiding device acts on jointly so that filter run described in seal
Close device and move into open position and by bearing in described pure air chamber in back flush runs
Pressure moves into closed position, the most described suction air outlet and described auxiliary air inlet port
Fluid technique ground cut off and with described connector fluid technique be connected.Here, described valve element
Locking device for open or block auxiliary air inlet port and suction air outlet between direct
Flow passage.The displacement of described locking device and the displacement of valve element are carried out and correspondingly real simultaneously
Filtration operation or the back flush of existing air filter run.It is configured to valve element by valve element
Swingable regional area can make the first regional area of valve element slide in this wise so that on the one hand
Auxiliary air inlet port is opened with connector, the most on the other hand makes swingable valve flashboard as valve
Second regional area of gating element swings to vertical direction, in order to obtain auxiliary air inlet port and suction
The partition on fluid technique between air outlet.Advantageously, the displacement, the most sliding of valve element
The dynamic swing with swingable locking device is carried out simultaneously, in order to by uniquely the moving of valve element,
I.e. slide make all for filter run or back flush run needed for opening can open or close.
Advising at this, described valve element is equipped with reset element, especially spring, runs in back flush
Shi Suoshu reset element overcomes reset force to be tensioned.Here, described reset element is designed such that so that
Its from the negative pressure of the determination in pure air chamber that is less than determine negative pressure boundary value time from
Relaxed position moves to tension position so that it is tightened up with overcoming reset force.As long as in pure air chamber
In negative pressure again reduce, the reset force of reset element is greater than the suction acting on valve element, makes
Obtaining valve element again to be moved towards strain position by reset element, in strain position, auxiliary air enters
Entrance and connector are closed.As proposed, described reset element is bullet in structure easy especially
Spring.Alternatively, however, it is also possible to be other reset element, the most that have pressure gauge with
And the reset element of executor that valve element moves is made according to the pressure measured.
Additionally, described filter element can be equipped with washer jet, especially can turn in described filter element
The rotary air nozzle supported, described washer jet runs in the back flush of described air filter dynamicly
In be connected with described guiding device by described valve element so that auxiliary air pass through described auxiliary air
Inlet port is pressed in described washer jet.Described rotary air nozzle runs in back flush for improving
Time cleaning action.Here, described rotary air nozzle is rotatably supported in filter element, make institute
State rotary air nozzle to rotate also in the case of flowing towards aspirate chamber from the direction in pure air chamber
And make air be evenly applied on the inwall of filter element.Alternative in rotary air nozzle ground it is also envisioned that
Other washer jet.The most that it is arranged in un-rotatably in filter element and by the most
Nozzle opening act on the cleaning nozzle on filter element with flushing out air.Reverse at air filter
Rinse in running, make valve element move in this wise relative to guiding device, make the partial zones of valve element
Territory (directly or indirectly) is contacted with the regional area of washer jet and makes to be entered by auxiliary air inlet port
The auxiliary air entering guiding device is only capable of flowing to washer jet.Make auxiliary air favourable by washer jet
Be accelerated, in order to realize the optimized cleaning of filter element from inside.
Finally advise, be equipped with outlet closure elements for described suction air outlet, when to described mistake
After filtering element applies negative pressure, described outlet closure elements can move to close described suction air and discharge
In the position of mouth.Described outlet closure elements is not only by the base on the connector being connected to filter element
Station realizes the back flush of air filter and runs, and the most also by fan fluid technically,
Such as it is connected on the aspirate chamber of the first vacuum cleaner with the interconnective method of suction nozzle of two vacuum cleaners
Second vacuum cleaner realize.The outlet closure elements being associated with aspirating air outlet can be such as can
With the flashboard swung, it can be swung by the negative pressure in filter element.As long as (premise is to connect to have
Fan) the second vacuum cleaner is connected in the filter chamber of the first vacuum cleaner just produce the side from pure air chamber
To the air stream in the direction towards aspirate chamber, thus make outlet closure elements to suction air outlet
Middle swing.Negative pressure in filter element thus raises, and finally makes leading when less than the boundary value determined
Valve element in stream device moves and opens auxiliary air inlet port for realizing back flush operation, its
In, auxiliary air passes through the filter element fan flow to the second vacuum cleaner.Accumulate on filter element
Aspirate carries in the filter chamber of the second vacuum cleaner at this.
Except above-mentioned can the air filter of back flush, the present invention also advise a kind of vacuum cleaner, especially one
Kind have according to the present invention can the domestic vacuum cleaners of air filter of back flush.From described can be reverse
The advantage and the feature that obtain in the use of the air filter rinsed also can be similarly used for described vacuum cleaner.
The last present invention also advise a kind of operation can the method for air filter of back flush, described reversely
The air filter rinsed especially according to the present invention can the air filter of back flush, wherein,
Filter in running, treat that the air of filtering flows through towards the direction in pure air chamber from the direction in aspirate chamber and make
The filter element that described pure air chamber is isolated with described aspirate chamber, and run in back flush
In, flushing out air flows through described filter element from the direction in pure air chamber towards the direction in aspirate chamber,
To remove the aspirate of accumulation on the side towards described aspirate chamber of described filter element, its
In, it is arranged in the valve element on the side being associated with described pure air chamber of described filter element in mistake
Move between filter position and back flush position, wherein, close at valve element described in strain position and use
The auxiliary air inlet port in described pure air chamber is entered and for making described clean sky in making auxiliary air
Air cavity is connected to the connector on base station, and open described auxiliary air enters in back flush position
Mouthful and described connector, cut off with making suction air outlet and described auxiliary air inlet port fluid technique
And be connected with making described suction air outlet and described connector fluid technique, described suction air is arranged
Outlet is for making cleaned air towards the direction of the fan of the vacuum cleaner with described air filter
Discharge.
By making the vacuum cleaner air filter of back flush (or can) be connected on base station close vacuum cleaner
Suction channel in aspirate chamber flashboard.By in filter element formed negative pressure make valve element to
The direction in aspirate chamber is moved.Valve element shifts with this until terminal backstop, assists in terminal backstop
Air inlet port and connector are opened and aspirate air outlet and auxiliary air inlet port fluid skill
Art ground cuts off.It is consequently formed the stream that the fan by base station and vacuum cleaner realizes the back flush of filter element
Dynamic path.It addition, based on can the form of implementation of air filter of back flush the most effective at this.
Accompanying drawing explanation
The present invention is expanded on further below according to embodiment.In the accompanying drawings:
Fig. 1 illustrates the vacuum cleaner with the air filter according to the present invention,
Fig. 2 is shown in and filters the longitudinally cutting view of the regional area of air filter when running,
Fig. 3 is shown in regional area when back flush runs according to Fig. 2,
The air filter according to the second enforcement modification that Fig. 4 is shown in primary importance,
Fig. 5 illustrates the air filter according to Fig. 4 in the second position.
Detailed description of the invention
Fig. 1 illustrates vacuum cleaner 2, is designed as the floor-type vacuum cleaner of manual guidance this its.Vacuum cleaner 2 is pressed
According to common mode, there is suction nozzle 24, fan 23 and the air filter 1 being arranged in filter chamber.
Air stream can be made to pass through suction nozzle 24 and air filter from surface to be cleaned towards wind by fan 23
Fan 23 conveying.Here, the aspirate being present in air stream accumulates in the mistake filtering element of air filter 1
On part 5, the most cleaned air can arrive the fan 23 of vacuum cleaner 2.
Fig. 2 illustrates the details of the regional area of vacuum cleaner 2.Being illustrated that air filter 1, it has
Filter element 5, washer jet 15 and guiding device 6.Described washer jet 5 is configured to cone
And there is on its periphery filtering material 18, herein for filtering non-woven cloth.Filter element 5 makes suction
Thing chamber 4 is isolated with pure air chamber 3, summarizes the aspirate being sucked in aspirate chamber 4, only
Cleaned air is had to flow through pure air chamber 3.In the interior zone of filter element 5, that is
The pure air side of filter element 5 is disposed with washer jet 15, and it is also configured to cone.
Washer jet 15 is configured to rotary air nozzle at this, and it is by two supporting members 25 rotationally
It is arranged in filter element 5 internal.Supporting member 25 is respectively configured on the side of filter element 5.
It is disposed with guiding device 6 in the pure air side of air filter 1.Guiding device 6 is according to sky
The mode of gas passage constructs, and this air duct makes air filter be connected with the fan 23 of vacuum cleaner 2.
Guiding device 6 is provided with the opening for air inlet and outlet, i.e. suction air outlet 7, auxiliary
Help air inlet port 8 and connector 9.Suction air outlet 7 is clean empty for making in the usual manner
Air cavity 3 is connected with the fan 23 of vacuum cleaner 2.It is therefore advantageous that suction air outlet 7 is arranged
The side deviating from filter element 5 at guiding device 6.Auxiliary air inlet port 8 constructs circlewise at this
In being on the guiding device 6 of tubular in cutting plane.Auxiliary air inlet port 8 is at air filter
The back flush of 1 makes auxiliary air be in reverse to filter the flow direction run and flows to guiding device 6 when running
In.Additionally, auxiliary air inlet port 8 is also used for such as vacuum cleaner 2 when common filtration runs
In the case of suction nozzle with battery unit 24 is blocked and therefore air can not arrive fan 23 by suction nozzle with battery unit 24 again
Inlet port as auxiliary air.Additionally, guiding device 6 has for making guiding device 6 and base station 10
The connector 9 connected.
Additionally, guiding device 6 has valve element 11, valve element 11 is relative in this as slide-valve
In guiding device 6 regional area 13 especially sliding motion arrange.Valve element 11 and reset element
14, being connected for spring at this, the reset force of reset element 14 makes valve element 11 be pulled to make auxiliary
The position that air inlet port 8 and connector 9 are closed.Additionally, valve element 11 have locking device 12,
At this for the lid swingingly arranged on valve element 11, described lid can be empty in suction with fluid technique
Swing between gas outlet 7 and auxiliary air inlet port 8, in order to block direct stream between
Dynamic path.Locking device 12 is guided on the regional area 13 that the shape of guiding device 6 is corresponding, makes
Locking device 12 in the strain position of valve element 11, i.e. when the general suction of vacuum cleaner 2 runs,
Embed the regional area 13 corresponding to shape of (or from rear interlocking) guiding device 6 and be basically perpendicular to take out
The plane earth of suck outlet 7 swings, in order in order to make air from guiding device 6 to fan 23 row
Go out and open suction air outlet 7.
If the valve element 11 in guiding device 6 slides to the direction of filter element 5, close dress
Put 12 outsides forming the regional area 13 with guiding device 6 from the sliding stroke determined to rabbet, make
The locking device 12 obtaining applying spring effect the most equally swings and blocks at this in auxiliary air entrance
Direct flow passage between mouth 8 and suction air outlet 7.In this position, auxiliary air enters
Mouth 8 is opened by the slip of valve element 11, in order to auxiliary air can flow to guiding device 6 (at Fig. 3
Shown in).
Washer jet 15 has multiple nozzle opening 17, when back flush runs, air, i.e. assists
Air can be flowed from the direction in pure air chamber 3 towards the direction in aspirate chamber 4 by nozzle opening 17
Dynamic and at this from internal action in or be perforated through the filtering material 18 of filtering element 5.
The filter chamber of vacuum cleaner 2 has aspirate chamber cover plate 21, and it makes the suction stretched out from suction nozzle with battery unit 24
Pipeline 20 is isolated with aspirate chamber 4.When the common filtration of air filter 1 runs, in suction
Aspirate chamber cover plate 21 in pipeline 20 so swings, and makes the aspirate being sucked by suction nozzle with battery unit 24
Filter element 5 can be arrived.In back flush runs, cover plate 21 backswing of aspirate chamber, make suction
The air of mouth 24 can not arrive aspirate chamber 4.The swing of aspirate chamber cover plate 21 such as can be by inhaling
The dirt device 2 interface on base station 10 triggers.Finally, aspirate chamber 4 has for the phase with base station 10
The back flush interface 22 that the flow channel answered connects.
Fig. 3 illustrates the regional area of the vacuum cleaner 2 in the state being connected on base station 10.Here, it is empty
Air filter 1 one aspect passes through connector 9, on the other hand by back flush interface 22 and base station 10
Corresponding flow passage connect.Base station 10 has aspirate room, base station 19, and at this, layout is common can
The filter bag changed.The air being entered base station 10 by back flush interface 22 flows through aspirate room, base station
19 and then in the region of the connector 9 of vacuum cleaner 2, leave base station 10.
Fig. 4 and Fig. 5 illustrates the other enforcement modification of the present invention, and wherein, guiding device 6 has discharge
Mouth closure elements 16, it is swingingly arranged on guiding device 6 and can open and close.Fig. 4
Be shown in filter element 5 filters the guiding device 6 when running.Fig. 5 is shown in the anti-of filter element 5
To the guiding device 6 rinsed when running.
With reference to enforcement modification shown in figs. 2 and 3, the method for operation of the present invention is, is filtering fortune
During row, vacuum cleaner 2 moves on surface to be cleaned by suction nozzle with battery unit 24 in the usual manner.Here,
The fan 23 of vacuum cleaner 2 runs so that be loaded with the air suction channel by vacuum cleaner 2 of aspirate
20 flow to aspirate chamber 4 through the aspirate chamber cover plate 21 opened.Aspirate accumulates in filter element 5
Filtering material 18 on, the most cleaned air penetration filtering material 18 and at (filtering material 18
And between washer jet 15) flow to guiding device 6 in pure air chamber 3 and there by opening
Suction air outlet 7 flows to fan 23.
In filtering operation, the valve element 11 in guiding device 6 is in strain position, is filtering position
The locking device 12 putting middle valve element 11 moves to the corresponding local of guiding device 6 at least in part
The direct path to suction air outlet 7 is opened after region 13 and with this.Valve element 11
Other regional area closes auxiliary air inlet port 8 and connector 9 so that can only by filtered air
Guiding device 6 is left by suction air outlet 7.Answering of valve element 11 it is associated with in this position
Bit unit 14 is in not state by load.
If making the vacuum cleaner 2 back flush interface 22 by aspirate chamber 4 in order to back flush runs
It is connected on the corresponding flow passage of base station 10 with the connector 9 of guiding device 6, aspirate chamber lid
Plate 21 swings towards suction channel 20 so that aspirate can not arrive aspirate chamber 4 from suction nozzle with battery unit 24 again
In.The swing of aspirate chamber cover plate 21 such as can mechanically by base station 10 act on aspirate
Regional area on chamber cover plate 21 is carried out.Additionally, make sensor that aspirate chamber cover plate 21 swings-
Actuator apparatus is also suitable.
Here, bleed in the closed area that fan 23 is in vacuum cleaner 2 and base station 10, this region is not only
Including guiding device 6, pure air chamber 3 and the aspirate chamber 4 of vacuum cleaner 2, also include base station 10
Aspirate room, base station 9.It is consequently formed negative pressure, as long as the suction of this negative pressure exceedes the reset of reset element 14
Power, just makes the valve element 11 of guiding device be drawn by the direction towards filter element 5.In this case,
Valve element 11 can react on reset element 14, move for the reset force of spring at this, until valve
The regional area of gating element 11 arrives the terminal backstop corresponding to back flush of guiding device 6.Here,
The end regions in the direction towards guiding device 6 of valve element 11 contact filtration element 5 so that lead
Stream device 6 fluid technique ground is no longer directly connected with the inner space of filter element 5, but sprays with cleaning
The inner space of mouth 15 connects.
As long as reaching outside embedded location with the regional area 13 of guiding device 6, then by valve unit
The displacement of part 11 the most also makes locking device 12 swing.Thus make washer jet 15 and suction air row
Direct flow passage between outlet 7 is blocked.The substitute is, auxiliary air inlet port and company
Interface 9 is opened, and makes auxiliary air inlet port 8 by " detouring " by base station 10 fluid technique ground
It is connected with the fan 23 of vacuum cleaner 2, i.e. passes through from auxiliary air inlet port 8 through washer jet 15 He
Filter element 5 is by the flow passage of the fan 23 of base station 10 to vacuum cleaner 2.
When back flush runs, washer jet 15 is passed through flowing in guiding device 6 from inside
Auxiliary air is impacted, thus make the washer jet 15 being configured to rotary air nozzle at this rotate and
From the direction in pure air chamber 3 towards the direction in aspirate chamber 4 by air (auxiliary air) impact filtration
The filtering material 18 of element 5.Make at this to accumulate in filtering material 18 towards side, aspirate chamber 4
Aspirate is come off and is carried to base station 10 from the filter chamber of vacuum cleaner 2 by back flush interface 22.
In base station 10, the aspirate being present in air stream is by the mistake being arranged in aspirate room, base station 19
Filter bag is filtered off so that the most cleaned air passes through to connect from the aspirate room, base station 19 of base station 10
Arrive in the guiding device 6 of mouth 9 arrival vacuum cleaners 2 and from there through suction air outlet 7 and inhale
The fan 23 of dirt device 2.
Back flush operates in be formed on the locking device 12 of valve element 11 and discharges towards suction air
Pressure on the side in the direction of mouthfuls 7 and towards between the pressure on the side in the direction of filter element 5
Pressure reduction.By the negative pressure on the side in the direction towards suction air outlet 7, make towards reversely punching
The locking device 12 washing position swing is pulled to aspirate the direction of air outlet 7 and be resisted against water conservancy diversion
On the corresponding regional area 13 of device 6.Thus producing makes valve element 11 be maintained at back flush position
Lever force in putting.The lever length of locking device 12 and the reset force of reset element 14 are chosen as at this,
Lever force is made to exceed reset force when the negative pressure determined.Fan 23 is once closed or vacuum cleaner 2
Once taking off from base station 10, the reset force of reset element 14 just exceedes lever force so that fill at water conservancy diversion
The valve element 11 put in 6 is transitioned into again in strain position so that auxiliary air inlet port 8 be connected
Mouth is closed simultaneously and is beaten from filter element 5 to the direct flow passage of suction air outlet 7
Open.In this strain position, the locking device 12 of valve element 11 swings back and again to guiding device
The regional area 13 of 6 slides.In this position, air filter 1 can be used for the new of vacuum cleaner 2
Aspiration procedure.
Additionally, also provide for other function of valve element 11.It is usual that this relates at air filter
Filtration run time, suction nozzle with battery unit 24 is completely enclosed by the most king-sized aspirate, to such an extent as to suction sky
Gas can not arrive the fan 23 of suction channel 20 and vacuum cleaner 2 again by suction nozzle with battery unit 24.In this situation
In, the negative pressure in the filter chamber of vacuum cleaner 2 raises.Here, power acts on valve element 11,
When reaching the negative pressure determined in filter chamber, described power makes valve element 11 slide and opens auxiliary at this
Air inlet port 8.Auxiliary air thus can arrive guiding device 6 by auxiliary air inlet port 8.
In order to prevent valve element 11 from vibrating at this, auxiliary air inlet port 8 it is so structured that, for filtering
Position, makes the pressure reduction between the pressure and environment of guiding device 6 only act upon valve element 11 relatively
On little regional area, for back flush position, effective regional area of valve element is made to increase, with
Just the power worked is made to increase and the current location of venting valve gating element.
The enforcement modification of the present invention shown in figures 4 and 5 is applicable to the air by the second vacuum cleaner
The back flush of filter 1.Second vacuum cleaner is advantageously connected to the first vacuum cleaner 2 by its suction nozzle with battery unit
Suction nozzle with battery unit 24 on.Here, the fan 23 of the first vacuum cleaner 2 remains turned-off.The substitute is
The fan of two vacuum cleaners empties the filter chamber of the first vacuum cleaner 2, wherein, accumulates in the mistake of filter element 5
The aspirate towards side, aspirate chamber 4 of filtering material 18 suction channel 20 by the first vacuum cleaner 2
It is pumped into the second vacuum cleaner.Here, make swingingly cloth by the negative pressure formed in air filter 1
The outlet closure elements 16 put on guiding device 6 is discharged towards suction air from open position (Fig. 4)
Mouth 7 swings (Fig. 5) so that air no longer can arrive guiding device 6 He by suction air outlet 7
In air filter 1.Thus, the negative pressure in guiding device 6 or air filter 1 raises so that valve
Gating element 11 from its strain position to back flush displacement.Here, auxiliary air inlet port 8 quilt
Open so that auxiliary air can arrive suction nozzle with battery unit 24, there by guiding device 6 and filter element 5
Aspirate is finally carried in the second vacuum cleaner.
Reference numerals list
1 air filter
2 vacuum cleaners
3 pure air chambeies
4 aspirate chambeies
5 filter elements
6 guiding devices
7 suction air outlets
8 auxiliary air inlet ports
9 connectors
10 base stations
11 valve elements
12 locking devices
13 regional areas
14 reset elements
15 washer jets
16 outlet closure elements
17 nozzle openings
18 filtering materials
19 aspirate room, base stations
20 suction channels
21 aspirate chamber cover plates
22 back flush interfaces
23 fans
24 suction nozzle with battery unit
25 supporting members
Claims (10)
1. one kind can the air filter (1) of back flush, be particularly useful for vacuum cleaner (2), described can be reverse
The air filter (1) rinsed has the filter element making pure air chamber (3) and aspirate chamber (4) be isolated
(5), filter run in air to be cleaned from the direction of aspirate chamber (4) towards pure air chamber (3)
Described filter element (5) is flow through in direction, and in back flush runs flushing out air from pure air chamber (3)
Direction flow through described filter element (5) towards the direction of aspirate chamber (4), in order to remove in described filtration
The aspirate of accumulation on the side towards described aspirate chamber (4) of element (5), it is characterised in that described
The air filter (1) of back flush can have water conservancy diversion on the side being associated with described pure air chamber (3)
Device (6), described guiding device (6) has for making cleaned air arrange from described pure air chamber (3)
The suction air outlet (7) gone out, the auxiliary sky being used for making the auxiliary air described pure air chamber (3) of entrance
Gas inlet port (8) and for connector (9) that described pure air chamber (3) is connected on base station (10).
2. according to described in claim 1 can the air filter (1) of back flush, it is characterised in that
Described guiding device (6) has the valve element that can shift between strain position and back flush position
(11)。
3. according to described in claim 2 can the air filter (1) of back flush, it is characterised in that
Described valve element (11) is constructed and arranged so that described valve element (11) closes institute in strain position
State auxiliary air inlet port (8) and described connector (9), and open described auxiliary in back flush position
Help air inlet port (8) and described connector (9), make described suction air outlet (7) and described auxiliary sky
Gas inlet port (8) fluid technique ground cuts off and makes described suction air outlet (7) and described connector (9)
Fluid technique ground connects.
4. according to described in Claims 2 or 3 can the air filter (1) of back flush, its feature exists
In, described valve element (11) is movably disposed within described guiding device (6) and above, is especially arranged in described
In guiding device (6).
5. according to one of claim 2 to 4 Suo Shu can the air filter (1) of back flush, it is special
Levying and be, described valve element (11) has locking device (12), the most swingable valve flashboard, institute
The regional area (13) stating locking device (12) and described guiding device (6) acts on jointly so that filtering fortune
Locking device described in row (12) moves into open position and by described cleaning in back flush runs
Negative pressure in air chamber (3) moves into closed position, the most described suction air outlet (7) with
Described auxiliary air inlet port (8) fluid technique ground cuts off and connects with described connector (9) fluid technique ground
Connect.
6. according to one of claim 2 to 5 Suo Shu can the air filter (1) of back flush, it is special
Levying and be, described valve element (11) is equipped with reset element (14), especially spring, runs in back flush
Shi Suoshu reset element (14) overcomes reset force to be tensioned.
7. according to one of claim 2 to 6 Suo Shu can the air filter (1) of back flush, it is special
Levy and be, described filter element (5) be equipped washer jet (15), especially can in described filter element (5)
The rotary air nozzle supported rotationally, described washer jet (15) is reverse described air filter (1)
Rinse in running and be connected with described guiding device (6) by described valve element (11) so that auxiliary air leads to
Cross described auxiliary air inlet port (8) to be pressed in described washer jet (15).
8. according to one of aforementioned claim Suo Shu can the air filter (1) of back flush, its feature
Being, described suction air outlet (7) is equipped with outlet closure elements (16), when crossing filtering element to described
After part (5) applies negative pressure, described outlet closure elements (16) can move to close described suction air row
In the position of outlet (7).
9. a vacuum cleaner (2), especially domestic vacuum cleaners, it is characterised in that according to claim 1 to 8
One of described can the air filter (1) of back flush.
10. operation can the method for air filter (1) of back flush, the air of described back flush
Filter (1) especially according to one of claim 1 to 8 Suo Shu can the air filter of back flush
(1), wherein, in filtering operation, treat that the air of filtering is empty towards cleaning from the direction of aspirate chamber (4)
The mistake filtering element making described pure air chamber (3) and described aspirate chamber (4) be isolated is flow through in the direction of air cavity (3)
Part (5), and back flush run in, flushing out air from the direction of pure air chamber (3) towards suction
Described filter element (5) is flow through in the direction in thing chamber (4), in order to remove at described filter element (5) towards institute
State the aspirate of accumulation on the side of aspirate chamber (4), it is characterised in that be arranged in described filter element (5)
The side being associated with described pure air chamber (3) on valve element (11) in strain position and back flush
Move between position, wherein, close at valve element described in strain position (11) and be used for making auxiliary air
Enter the auxiliary air inlet port (8) of described pure air chamber (3) and be used for making described pure air chamber (3) even
The connector (9) being connected on base station (10), and in back flush position, open described auxiliary air enters
Mouthful (8) and described connector (9), make suction air outlet (7) and described auxiliary air inlet port (8) fluid
Technically cut off and make described suction air outlet (7) with described connector (9) fluid technique ground even
Connecing, described suction air outlet (7) is for making cleaned air towards having described air filter (1)
Vacuum cleaner (2) fan direction discharge.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102015108559.3A DE102015108559A1 (en) | 2015-05-29 | 2015-05-29 | Backwashable air filter |
| DE102015108559.3 | 2015-05-29 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106175595A true CN106175595A (en) | 2016-12-07 |
| CN106175595B CN106175595B (en) | 2020-10-23 |
Family
ID=57281441
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610333417.9A Active CN106175595B (en) | 2015-05-29 | 2016-05-19 | Air filter capable of back flushing |
Country Status (4)
| Country | Link |
|---|---|
| CN (1) | CN106175595B (en) |
| DE (1) | DE102015108559A1 (en) |
| IT (1) | ITUA20163775A1 (en) |
| TW (1) | TW201700055A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018099488A1 (en) * | 2016-12-01 | 2018-06-07 | 天佑电器（苏州）有限公司 | Dust collector and self-cleaning method for filter thereof |
| CN110799077A (en) * | 2017-06-29 | 2020-02-14 | 喜利得股份公司 | Filter cleaning |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112401765B (en) * | 2020-12-05 | 2024-08-06 | 曲阜信多达智能科技有限公司 | Control method of cleaning robot system |
| DE102022200524A1 (en) | 2022-01-18 | 2023-07-20 | BSH Hausgeräte GmbH | Functional arrangement for a vacuum cleaning device for surface cleaning, vacuum cleaning device for surface cleaning with the functional arrangement and method for stripping a filter device for a functional arrangement of a vacuum cleaning device |
| EP4226826A1 (en) | 2022-02-09 | 2023-08-16 | Hilti Aktiengesellschaft | Suction device with throttle valve and method for cleaning a filter in such a suction device |
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| WO2018099488A1 (en) * | 2016-12-01 | 2018-06-07 | 天佑电器（苏州）有限公司 | Dust collector and self-cleaning method for filter thereof |
| US11297990B2 (en) | 2016-12-01 | 2022-04-12 | Skybest Electric Appliance Co., Ltd. | Dust collector and self-cleaning method for filter thereof |
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Also Published As
| Publication number | Publication date |
|---|---|
| ITUA20163775A1 (en) | 2017-11-25 |
| CN106175595B (en) | 2020-10-23 |
| TW201700055A (en) | 2017-01-01 |
| DE102015108559A1 (en) | 2016-12-01 |
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