CN110200548A - Dust catcher and its self cleaning method with self-cleaning function - Google Patents
Dust catcher and its self cleaning method with self-cleaning function Download PDFInfo
- Publication number
- CN110200548A CN110200548A CN201810168076.3A CN201810168076A CN110200548A CN 110200548 A CN110200548 A CN 110200548A CN 201810168076 A CN201810168076 A CN 201810168076A CN 110200548 A CN110200548 A CN 110200548A
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- Prior art keywords
- dust catcher
- valve
- filter
- fuselage
- suction inlet
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- 239000000428 dust Substances 0.000 title claims abstract description 122
- 238000004140 cleaning Methods 0.000 title claims abstract description 75
- 238000000034 method Methods 0.000 title claims description 13
- 230000000712 assembly Effects 0.000 claims abstract description 25
- 238000000429 assembly Methods 0.000 claims abstract description 25
- 230000009471 action Effects 0.000 claims abstract description 8
- 230000004044 response Effects 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 abstract description 3
- 230000006872 improvement Effects 0.000 description 14
- 238000010586 diagram Methods 0.000 description 8
- 238000001914 filtration Methods 0.000 description 5
- 230000008859 change Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000012535 impurity Substances 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000013517 stratification Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 210000001364 upper extremity Anatomy 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
-
- 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
- A47L5/00—Structural features of suction cleaners
- A47L5/12—Structural features of suction cleaners with power-driven air-pumps or air-compressors, e.g. driven by motor vehicle engine vacuum
- A47L5/22—Structural features of suction cleaners with power-driven air-pumps or air-compressors, e.g. driven by motor vehicle engine vacuum with rotary fans
- A47L5/36—Suction cleaners with hose between nozzle and casing; Suction cleaners for fixing on staircases; Suction cleaners for carrying on the back
- A47L5/365—Suction cleaners with hose between nozzle and casing; Suction cleaners for fixing on staircases; Suction cleaners for carrying on the back of the vertical type, e.g. tank or bucket type
-
- 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
- A47L9/0072—Mechanical means for controlling the suction or for effecting pulsating action
-
- 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
Abstract
The present invention provides a kind of dust catchers with self-cleaning function, including fuselage, the air inlet pipe being connected on fuselage and the blower for being set to fuselage interior, the fuselage is equipped with the air inlet and air outlet being connected to outside, filter assemblies are equipped between the air inlet and blower, the hand-held part that the air inlet pipe has the suction inlet being connected to outside and closes on suction inlet, the suction inlet is connected to the air inlet, and outside air is successively discharged after suction inlet, air inlet, filter assemblies from air outlet under the action of blower；It is additionally provided with the wind-supplying mouth positioned at the filter assemblies downstream side on the fuselage, automatically cleaning valve is set at the wind-supplying mouth, the hand-held part is equipped with operation valve, and the operation valve is operable to turn on or off the suction inlet.The present invention can realize the conversion of cleaning mode and cleaned model by operating the operation valve of hand-held part, and operation is extremely easy, have better user experience.
Description
Technical field
The present invention relates to cleaner fields more particularly to a kind of with the dust catcher of self-cleaning function and its automatically cleaning side
Method.
Background technique
Dust catcher is widely used in the cleaning of various places.In general, the fuselage of dust catcher has generally included head
Component, filter assemblies and tub assembly.Filter assemblies, which are arranged in, fastens the confined space formed by nose assembly and tub assembly
It is interior.In general, head outer rim, filter assemblies outer rim and tub assembly upper limb are overlapped assembling along axial direction with this and compressed, thus have
Effect prevents dust from leaking.
Ash bucket dust catcher is a kind of common household appliances, and in the prior art, ash bucket suction power is larger, air inflow
Greatly, therefore, the heavy load of filter.After working long hours, it is easy dust stratification inside air duct, influences effective dust suction time,
Pick-up performance decaying is more serious；Meanwhile decreasing the service life of filter.The existing dust catcher with self-cleaning function
After suction ash is a certain amount of, need to start self-cleaning function cleaning filter.At this time people is needed to go near machine, extract into
Tracheae blocks air inlet mouth of pipe with a hand again, and another hand presses automatically cleaning button, air is drawn onto filter by differential pressure of atmospheric pressure
Inside achievees the purpose that clear up filter.For industry or business use dust catcher, often air inlet pipe up to 3m or more even 5m with
On, that is, suction area apart from dust catcher farther out, just needed when carrying out automatically cleaning operation suction area again and dust catcher it
Between it is round-trip over long distances, greatly reduce user experience.
Therefore, it is necessary to provide a kind of improved dust catcher to solve the above problems.
Summary of the invention
The purpose of the present invention is to provide the dust catchers that a kind of user's operation easily has self-cleaning function.
For achieving the above object, the present invention provides a kind of dust catchers with self-cleaning function, including fuselage, company
The air inlet pipe that is connected on fuselage and the blower for being set to fuselage interior, the fuselage be equipped with the air inlet being connected to outside and
Air outlet, is equipped with filter assemblies between the air inlet and blower, the air inlet pipe has the suction inlet being connected to outside and faces
The hand-held part of nearly suction inlet, the suction inlet are connected to the air inlet, outside air successively pass through under the action of blower suction inlet, into
It is discharged after air port, filter assemblies from air outlet；The wind-supplying mouth positioned at the filter assemblies downstream side, institute are additionally provided on the fuselage
Setting automatically cleaning valve at wind-supplying mouth is stated, the hand-held part is equipped with operation valve, and the operation valve operationally turns on or off institute
State suction inlet.
Further improvement as an embodiment of the present invention, the operation valve was closed the suction inlet and was made when fan operation
Fuselage interior air pressure generates variation, and the automatically cleaning response valve opens the wind-supplying mouth in the air pressure change of fuselage interior.
Further improvement as an embodiment of the present invention, the operation valve include operation portion and link with operation portion
Valve portion, the operation portion are movably set in the outside of the hand-held part, and the valve portion is set in the suction inlet and with operation
The movement in portion turns on or off the suction inlet.
Further improvement as an embodiment of the present invention, the hand-held part are equipped with pivot part, the operation portion and valve
Portion is all connected to the pivot part, and the operation portion drives the valve portion rotation to open or close the suction by pivot part
Mouthful.
Further improvement as an embodiment of the present invention, the operation valve connection have elastic component, the elastic element
Operation valve described in the direction bias of the suction inlet is opened along the valve portion.
Further improvement as an embodiment of the present invention, the automatically cleaning valve are configured to include cooperating with the wind-supplying mouth
Valve body and act on the elastic component of the valve body, the elastic component is inclined along the direction that the valve body closes the wind-supplying mouth
Press the valve body.
Further improvement as an embodiment of the present invention, the automatically cleaning valve are configured to the electricity cooperated with the wind-supplying mouth
Magnet valve, the dust catcher further include control unit, and described control unit is according to the variation of fuselage interior air pressure control
Solenoid valve turns on or off the wind-supplying mouth.
Further improvement as an embodiment of the present invention, the dust catcher further include being set in fuselage for detection machine
The pressure sensor of air pressure in body, the pressure value and preset pressure value ratio that described control unit detects the pressure sensor
Compared with the pressure value detected controls the solenoid valve and opens the wind-supplying mouth when being less than or equal to preset pressure value.
Further improvement as an embodiment of the present invention, the dust catcher further include the instruction for being set to the hand-held part
Device and control unit, described control unit control the indicator according to the variation of the fuselage interior air pressure and are indicated.
Further improvement as an embodiment of the present invention, the dust catcher further include being set in fuselage for detection machine
The pressure sensor of air pressure in body, the pressure value and ambient pressure that described control unit detects the pressure sensor carry out
Compare, pressure difference sends a signal to the indicator when reaching preset pressure value.
Further improvement as an embodiment of the present invention, the fuselage include be installed on the nose assembly of the blower with
And it is connected to the dust barrel of nose assembly, the filter assemblies include the first filter and second set gradually along air inlet direction
Filter, the wind-supplying mouth are set between first filter and the second filter.
Further improvement as an embodiment of the present invention, the first filter are filter bag, second filter
For columned HEPA filter.
Further improvement as an embodiment of the present invention, the first filter are connected to the dust barrel, and described second
Filter is connected to the nose assembly.
The invention further relates to a kind of self cleaning methods of dust catcher with self-cleaning function, it is characterised in that: it is described from
Clean method is the following steps are included: S1, the operation operation valve close the suction inlet and kept for the predetermined time；S2, institute is unclamped
Operation valve is stated to open the suction inlet.
Further improvement as an embodiment of the present invention is repeated several times and carries out step S1 and step S2.
Further improvement as an embodiment of the present invention, the dust catcher further include the instruction for being set to the hand-held part
Device and control unit, described control unit control the indicator according to the variation of the fuselage interior air pressure and are indicated,
It is characterized in that, the instruction for perceiving the indicator carries out step S1 and step S2 again and repeats before step S1
Step S1 and step S2 is until the indicator stops instruction.
The beneficial effects of the present invention are: the present invention adds self-cleaning system on traditional dust catcher, can to filter into
Row is self-cleaning；Extend effective suction grey time of dust catcher；Self-cleaning effect is excellent, extends the service life of filter；Automatically cleaning
System reduces the disassembly cleaning frequency of user, reduces workload；It is skillfully constructed, simple for structure, easy to produce, applicability
By force；The present invention can realize the conversion of cleaning mode and cleaned model by operating the operation valve of hand-held part, operate pole
For simplicity, there is better user experience.
Detailed description of the invention
Fig. 1 is the schematic cross-sectional view of dust catcher in currently preferred first embodiment, and dust catcher is in dust suction shape at this time
State；
Fig. 2 is the enlarged diagram of the part a in Fig. 1；
Fig. 3 is the enlarged diagram of the part b in Fig. 1；
Fig. 4 is the schematic cross-sectional view that dust catcher in Fig. 1 is in automatically cleaning state；
Fig. 5 is the enlarged diagram of the part c in Fig. 4；
Fig. 6 is the enlarged diagram of the part d in Fig. 4；
Fig. 7 is the schematic cross-sectional view of dust catcher in currently preferred second embodiment, and dust catcher is in dust suction state at this time；
Fig. 8 is the enlarged diagram of the part e in Fig. 7；
Fig. 9 is the enlarged diagram of the part f in Fig. 7；
Figure 10 is the schematic cross-sectional view that dust catcher in Fig. 7 is in automatically cleaning state；
Figure 11 is the enlarged diagram of the part g in Figure 10；
Figure 12 is the enlarged diagram of the part h in Figure 10.
Specific embodiment
Below with reference to embodiment shown in the drawings, the present invention will be described in detail.But these embodiments are simultaneously unlimited
The system present invention, the transformation in structure or function that those skilled in the art are made according to these embodiments include
Within the scope of the present invention.
It please refers to Fig. 1 to Fig. 6 and show the preferred first embodiment of dust catcher of the present invention.As shown in Figure 1 and Figure 4, originally
In embodiment, dust catcher includes fuselage, the air inlet pipe being connected on fuselage 40 and the blower 30 for being set to fuselage interior, fuselage
It is equipped with the air inlet 21 and air outlet being connected to outside, filter assemblies are equipped between air inlet 11 and blower.Its middle fuselage packet
It includes nose assembly 10 and is connected to the dust barrel 20 of 10 lower part of nose assembly, filter assemblies can connect on nose assembly 10 simultaneously
And it extend into dust barrel 20.Dust barrel 20 can be fastened and connected by the connectors such as fastener and the sealing of nose assembly 10, in addition, dust barrel
Idler wheel can also be arranged in 20 lower sections, facilitate the movement of dust barrel.
Air inlet pipe 40 is connected to dust barrel 20, and air inlet pipe 40 is it is so structured that hose, hard tube and telescoping tube etc..Wherein,
One end of air inlet pipe 40 is connected to the air inlet 21 in dust barrel 20, and the other end of air inlet pipe 40 has the suction being connected to external environment
Mouthfuls 41, outside air under the action of blower 30 can from suction inlet 41 after air inlet 21 is by filter assemblies filtering from air outlet
Discharge, the dust filtered can then fall into dust barrel 20.Certainly, in other enforceable schemes, air inlet pipe 40 also be can connect
In nose assembly 10.
Nose assembly 10 includes blower 30, the shell for supporting blower 30.Blower 30 includes motor and the leaf being driven by motor
Wheel.When dust catcher carries out dust suction work, the impeller rotation of blower 30 generates negative pressure, suction inlet 41 of the outside air from air inlet pipe 40
Into successively from air outlet discharge after air inlet 21, filter assemblies, as shown by the arrows in Figure 1.From the aforegoing it can be seen that edge
Dust suction wind path, the downstream sides of filter assemblies be clean side, the upstream side of filter assemblies is non-clean side, in other words filter assemblies
Inside be clean side, the outsides of filter assemblies is non-clean side.
Preferred in the present embodiment, filter assemblies include the first filter 51 being connected in dust barrel 20 and are connected to machine
The second filter 52 in head assembly 10, the second filter 52 are located at the downstream side of first filter 51, and first filter 51 is used
In filtering out big particle and dust, the second filter 52 is for filtering out tiny dust.In the present embodiment, the first filtering
Device 51 is configured to filter bag, and the second filter 52 is configured to HEPA filter.Further, the second filter 52 is cylinder
HEPA filter.When dust catcher works normally dust suction, outside air enters in dust barrel 20 from the suction inlet 41 of air inlet pipe 40, successively passes through
First filter 51 and the second filter 52 are crossed, filtered clean air is discharged from air outlet.Two-stage filter is arranged can
Clean effect is improved, while the service life of the second filter 52 can be extended, it is of course also possible to which first filter is only arranged
Or second filter.
Referring to shown in Fig. 2 and Fig. 5, nose assembly 10, which is equipped with, mends wind air duct 15 for cooperation, mends wind air duct 15 and is in communication with the outside
And there is wind-supplying mouth 16, wind-supplying mouth 16 and the selectable downstream side being connected to and be set to first filter 51 of dust barrel 20.
Specifically, automatically cleaning valve is arranged at wind-supplying mouth 16, automatically cleaning valve is used to open or closes wind-supplying mouth 16.In the present embodiment, from
Cleaning valve is configured to mechanical valve 60, and mechanical valve 60 includes the valve body 61 cooperated with wind-supplying mouth 16 and the spring for compressing valve body 61
62, spring 62 is used to provide the elastic force that valve body 61 is moved along 16 direction of wind-supplying mouth is closed.When dust catcher works normally
It waits, as shown in Fig. 2, valve body 61 remains turned-off the state of wind-supplying mouth 16 under the action of the spring 62；When dust catcher inhale ash it is a certain amount of,
First filter 51 is plugged, when inhaling grey efficiency decline, by way of can passing through closing suction inlet 41 and opening wind-supplying mouth 16
Dust catcher is set to carry out automatically cleaning, i.e., suction inlet 41 is closed when blower 30 is run, and 20 inner air of dust barrel is discharged in blower 30, dust barrel 20
Internal pressure reduces, and external atmospheric pressure acts on valve body 61, can band when outside atmospheric pressure is greater than the elastic force of spring 62
Moving valve 61 is mobile to open wind-supplying mouth 16, as shown in figure 5, air enters the inside of first filter 51, inside and outside dust barrel 20
Under the action of draught head, the outside of first filter 51, arrow in the flow direction such as Fig. 4 of air are blowed to from the inside of first filter 51
Shown in head direction, to clear up first filter 51.Similarly, wind-supplying mouth can also be set to the downstream side of the second filter,
Air blows to the outside of the second filter on the inside of the second filter can clear up the second filter.
Cooperation is referring to shown in Fig. 3 and Fig. 6, and for user's convenience, air inlet pipe 40 has the hand-held part 42 for closing on suction inlet 41,
Hand-held part 42 is equipped with operation valve 43, and operation valve 43 is operable to turn on or off suction inlet 41, when needing dust catcher to carry out from clear
When clean, the operation valve 43 of air inlet pipe hand-held part 42 is held manually, and operation valve 43 moves to the position for blocking suction inlet 41, such as schemes
Shown in 6,20 inner air of dust barrel is discharged in blower 30, and 20 internal pressure of dust barrel reduces, and is less than outside atmosphere air pressure, external pressure
Acting on valve body 61 makes valve body 61 that the elastic force of spring 62 be overcome to separate with wind-supplying mouth 16, and thus mechanical valve 60 is in response to dust barrel 20
Internal pressure change opens wind-supplying mouth 16, manually operates automatically cleaning valve again without user.Wherein, operation valve 43 includes operation
Portion 431 and the valve portion 433 to link with operation portion 431, operation portion 431 are movably set in the outside of hand-held part 42, and valve portion 433 is set
It is placed in suction inlet 41 and as the movement of operation portion 431 turns on or off suction inlet 41.The connection of operation valve 43, which has elastic component, (to be schemed
Do not show), elastic element opens the direction biased operation valve 43 of suction inlet 41 along valve portion 433, so that operation valve 43 is able to maintain
The position for opening suction inlet 41, as shown in Figure 3.So, user in use, as long as feel machine suction decline,
Inhaling grey efficiency reduces, it is only necessary to hand-pull the operation portion of air inlet pipe handheld terminal more than 431 seconds, then decontrol, continue 3 times
It realizes automatic cleaning filter inside machine, does not need user and hold air inlet pipe, go to press automatically cleaning button on dust catcher side,
Operator is facilitated to use.
Specifically, hand-held part 42 is equipped with pivot part, pivot part can be structured as pivot 432, operation portion 431 and valve portion
433 are all connected to pivot 432, and operation portion 431 drives the rotation of valve portion 433 to open or close suction inlet 41 by pivot 432, also
It is to say, operation valve 43 rotates between two states for opening and closing suction inlet 41 relative to hand-held part 42.In the present embodiment, pivot
Axis 432 be configured to it is general tangential with suction inlet 41 and substantially vertical with the center line of suction inlet 41, in other enforceable schemes,
Pivot 432 is also it is so structured that intersection substantially vertical with the center line of suction inlet 41.Operation portion 431 is configured to hook shape, into
Row cleaning operation blocks hook when holding to prevent hand-held part 42 from falling off from operator's hand, also conveniently passes through hook when placing
Air inlet pipe 40 is stored in suspension.When carrying out automatically cleaning operation, only it need to be hold by one hand hand-held part 42 and hold hook simultaneously
It realizes and closes suction inlet 41, operation is very easy.
According to above-described embodiment, the self-cleaning method of dust remover filter of the present invention be may comprise steps of:
S1, operation operation valve 60 closes suction inlet while the suction that operator is aware of dust catcher reduces, and holds air inlet pipe 40
41 and kept for the predetermined time；In this way, 20 inner air of dust barrel is discharged in blower 30,20 internal pressure of dust barrel reduces, and valve body 61 is certainly
The dynamic cleaning opened wind-supplying mouth 16 and realize filter；
S2, operation valve 60 is unclamped to open suction inlet 41；Complete the cleaning of filter.
Due to the structure using mechanical valve in the present embodiment, when persistently blocking suction inlet 41, air enters the from wind-supplying mouth 16
Behind one filter, 51 downstream, the pressure difference of 51 downstream of first filter and outside atmosphere can be made to reduce, under the action of the spring 62, machine
Tool valve can close；Since suction inlet is blocked, pressure difference increases again, and mechanical valve is opened again.That is, suction inlet is persistently blocked, it is mechanical
The valve body 61 of valve can be quickly converted between 16 two states of wind-supplying mouth opening and closing, and generate the first filtering of airstream vibration impact
51 inside of device, the dust that will build up 51 outside of first filter are removed.Pull operation valve 60 is once under normal circumstances
The cleaning for completing filter, is able to achieve the automatic high-efficiency washing of filter without repeating the above steps to be operated.
Certainly, if plugged filter does not reach expected, Ke Yiduo than more serious or cleaning rear dust collector suction
The secondary S1 and step S2 that repeats the above steps, i.e., only need to hand-pull the hook of air inlet pipe handheld terminal several seconds, then decontrol, and continues
Left and right can realize automatic cleaning filter inside dust catcher three times.From the above as can be seen that suction inlet 41 is kept to close
Predetermined time can be the long period, make mechanical valve under the action of pressure difference automatically open and close wind-supplying mouth 16 two
Cycle of states；Or the short time keeps suction inlet 41 to close, and such as several seconds, repeats the S1 and step S2 that repeats the above steps,
Automatic cleaning filter inside dust catcher may be implemented.
Fig. 7 to Figure 12 shows the second embodiment of currently preferred dust catcher, as shown in fig. 7, dust catcher carries out
When dust suction works, along direction shown in arrow in figure, outside air enters from the suction inlet 41 of air inlet pipe 40, successively by into
It is discharged after air port 21, filter assemblies from air outlet.It is different from the first embodiment, automatically cleaning valve constructs in present embodiment
For solenoid valve 60a, as shown in Figure 8 and Figure 11, solenoid valve 60a includes the valve body 61a cooperated with wind-supplying mouth 16, and dust catcher further includes
Control unit, control unit control solenoid valve 60a driving valve body 61a according to the variation of 20 internal pressure of dust barrel and turn on or off
Wind-supplying mouth 16.It is equipped with the pressure sensor (not shown) for detecting air pressure inside in dust barrel 20, control unit is by pressure sensing
For the pressure value that device detects compared with preset pressure value, the pressure value detected controls electromagnetism when being less than or equal to preset pressure value
Valve 60a opens wind-supplying mouth 16.As shown in figs. 9 and 12, the indicator 46 that the hand-held part 42 of dust catcher is equipped with, indicator 46 can be with
Be indicator light perhaps indicate that the instruction that buzzer etc. or indicator 46 issue is can be by sound, light, vibration that operator feels
It moves, when dust catcher is inhaled, ash is a certain amount of, and first filter 51 is plugged, and the air pressure inside dust catcher increases, and control unit will press
The pressure value that force snesor detects is compared with ambient pressure, and pressure difference sends a signal to indicator when reaching preset pressure value
46, indicator 46 receives signal, prompts operator, for example indicates bright or flashing, and expression needs operator to start automatically cleaning function
Can, at this time operator can hold the hook of operation valve 43 to close suction inlet 41, and 20 inner air of dust barrel is discharged in blower 30,
20 internal pressure of dust barrel reduces, and the pressure value that 20 pressure sensor of dust barrel detects is less than or equal to preset pressure value, control
Unit processed is to signal to solenoid valve 60a, and wind-supplying mouth 16 is opened in solenoid valve 60a movement, and air enters 51 inside of first filter, empty
The flow direction of gas blows to 51 outside of first filter on the inside of first filter 51, realizes cleaning as shown in arrow direction in Figure 10
First filter 51.When the pressure difference of pressure value and ambient pressure that pressure sensor detects is less than preset pressure value, indicate
The cleaning of first filter 51 is completed, and control unit will send a signal to indicator 46 to stop indicating, operator can start just
Often work.
According to above-described embodiment, the self-cleaning method of dust remover filter of the present invention be may comprise steps of:
S1, operation operation valve 60 closes suction inlet 41 simultaneously while operator perceives the prompt of indicator, holds air inlet pipe 40
Kept for the predetermined time；In this way, 20 inner air of dust barrel is discharged in blower 30,20 internal pressure of dust barrel reduces, and valve body 61a is beaten automatically
Open the cleaning that wind-supplying mouth 16 realizes filter, the variety classes based on indicator, discovering here can be see, hear and
Feel etc.；
S2, operation valve 60 is unclamped to open suction inlet 41；If indicator stops indicating not yet, repeat the above steps until referring to
Show that device stops instruction, to complete the cleaning of filter.
In above-described embodiment by the way of solenoid valve, because solenoid valve plays on or off in response to the air pressure change of fuselage interior
Close wind-supplying mouth 16, since internal and external pressure difference is circulation, so persistently block suction inlet 41, also will form valve body 61a opening and
It is quickly converted between closed state.That is, other than the instruction based on indicator starts to operate or unclamp operation valve,
Self-cleaning method in the present embodiment is identical with the first embodiment, and which is not described herein again.
Preferred embodiment according to the present invention, as dust catcher uses the extension of time, excessive impurity dust can be accumulated
In the non-clean side of filter assemblies, the suction of dust catcher is caused to reduce.When user's direct feeling to suction reduction or dust catcher
When itself senses impurity dust accumulation excess by pressure sensor, then need to start automatically cleaning mode to remove accumulation in mistake
The impurity dust of the non-clean side of filter.The starting of automatically cleaning mode can pass through the behaviour of operation air inlet pipe hand-held part by user
Make valve realization, do not need user and hold air inlet pipe, goes to press automatically cleaning button on machine side, that is, be not required to when doing self-cleaning
User is wanted to run here and there, as long as the hook of a few lower inlet duct hand-held parts is drawn in situ at station, dust catcher can realize automated cleaning
Function, it is user-friendly.
It, can be to filter by above description it can be found that the present invention adds self-cleaning system on traditional dust catcher
It carries out self-cleaning；Extend effective suction grey time of dust catcher；Self-cleaning effect is excellent, extends the service life of filter；From clear
Clean system reduces the disassembly cleaning frequency of user, reduces workload；It is skillfully constructed, simple for structure, easy to produce, applicability
By force；The present invention can realize the conversion of cleaning mode and cleaned model by operating the hook of hand-held part, and operation is extremely
Simplicity has better user experience.
It should be appreciated that although this specification is described in terms of embodiments, but not each embodiment only includes one
A independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should will say
As a whole, the technical solution in each embodiment may also be suitably combined to form those skilled in the art can for bright book
With the other embodiments of understanding.
The series of detailed descriptions listed above only for feasible embodiment of the invention specifically
Protection scope bright, that they are not intended to limit the invention, it is all without departing from equivalent implementations made by technical spirit of the present invention
Or change should all be included in the protection scope of the present invention.
Claims (16)
1. a kind of dust catcher with self-cleaning function including fuselage, the air inlet pipe being connected on fuselage (40) and is set to
The blower (30) of fuselage interior, the fuselage are equipped with the air inlet (21) and air outlet being connected to outside, the air inlet
(21) filter assemblies are equipped between blower (30), the air inlet pipe (40) has the suction inlet (41) being connected to outside and closes on
The hand-held part (42) of suction inlet, the suction inlet (41) are connected to the air inlet (21), and outside air is under the action of blower (30)
Successively it is discharged after suction inlet (41), air inlet (21), filter assemblies from air outlet；It is characterized by: also being set on the fuselage
There is the wind-supplying mouth (16) positioned at the filter assemblies downstream side, automatically cleaning valve (60,60a) is set at the wind-supplying mouth (16), institute
Hand-held part is stated equipped with operation valve (43), the operation valve (43) operationally turns on or off the suction inlet (41).
2. dust catcher according to claim 1, it is characterised in that: the blower (30) operation valve (43) pass when running
Closing the suction inlet (41) makes fuselage interior air pressure generate variation, air pressure of the automatically cleaning valve (60,60a) in response to fuselage interior
The wind-supplying mouth (16) is opened in variation.
3. dust catcher described in any one according to claim 1 ~ 2, it is characterised in that: the operation valve (43) includes operation portion
(431) and the valve portion (433) with operation portion linkage, the operation portion (431) are movably set in the outer of the hand-held part (42)
Side, the valve portion (433) are set in the suction inlet (41) and as the movement of operation portion turn on or off the suction inlet
(41).
4. dust catcher according to claim 3, it is characterised in that: the hand-held part (42) is equipped with pivot part, the behaviour
Make portion (431) and valve portion (433) is all connected to the pivot part, the operation portion (431) drives the valve portion by pivot part
(433) rotation is to open or close the suction inlet (41).
5. dust catcher according to claim 3, it is characterised in that: operation valve (43) connection has elastic component, described
Elastic element opens operation valve (43) described in the direction bias of the suction inlet (41) along the valve portion (433).
6. dust catcher described in any one according to claim 1 ~ 2, it is characterised in that: automatically cleaning valve (60, the 60a) configuration
Being includes the valve body (61) cooperated with the wind-supplying mouth (16) and the elastic component (62) for acting on the valve body (61), the bullet
Property part (62) along the valve body (61) close valve body (61) described in the direction bias of the wind-supplying mouth (16).
7. dust catcher described in any one according to claim 1 ~ 2, it is characterised in that: automatically cleaning valve (60, the 60a) configuration
For the solenoid valve cooperated with the wind-supplying mouth (16), the dust catcher further includes control unit, and described control unit is according to
The variation of fuselage interior air pressure controls the solenoid valve and turns on or off the wind-supplying mouth (16).
8. dust catcher according to claim 7, it is characterised in that: the dust catcher further includes being set in fuselage for examining
Survey the pressure sensor of air pressure in fuselage, the pressure value and preset pressure that described control unit detects the pressure sensor
Value compares, and the pressure value detected controls the solenoid valve and opens the wind-supplying mouth when being less than or equal to preset pressure value.
9. dust catcher described in any one according to claim 1 ~ 2, it is characterised in that: the dust catcher further includes being set to institute
The indicator (46) and control unit of hand-held part are stated, described control unit controls institute according to the variation of the fuselage interior air pressure
Indicator (46) is stated to be indicated.
10. dust catcher according to claim 9, it is characterised in that: the dust catcher further includes being set in fuselage to be used for
The pressure sensor of air pressure in fuselage is detected, the pressure value and extraneous gas that described control unit detects the pressure sensor
Pressure is compared, and pressure difference sends a signal to the indicator (46) when reaching preset pressure value.
11. dust catcher described in any one according to claim 1 ~ 2, it is characterised in that: the fuselage is described including being installed on
The nose assembly (10) of blower and the dust barrel (20) for being connected to nose assembly, the filter assemblies include along air inlet direction according to
The first filter (51) and the second filter (52) of secondary setting, the wind-supplying mouth (16) are set to first filter and the second mistake
Between filter.
12. dust catcher according to claim 11, it is characterised in that: the first filter (51) is filter bag, described
Second filter (52) is columned HEPA filter.
13. dust catcher according to claim 12, it is characterised in that: the first filter (51) is connected to the dust barrel
(20), second filter (52) is connected to the nose assembly (10).
14. a kind of self cleaning method of the dust catcher with self-cleaning function as described in claim 1 ~ 13 any one,
Be characterized in that: the self cleaning method is the following steps are included: S1, the operation operation valve close the suction inlet and keep predetermined
Time；S2, the operation valve is unclamped to open the suction inlet.
15. the self cleaning method of dust catcher according to claim 14, which is characterized in that be repeated several times carry out step S1 and
Step S2.
16. the self cleaning method of dust catcher according to claim 14, the dust catcher further includes being set to described hold
The indicator and control unit in portion, described control unit according to the variation of the fuselage interior air pressure control the indicator into
Row instruction, which is characterized in that before step S1, the instruction for perceiving the indicator carries out step S1 again and step S2 lays equal stress on
Step S1 and step S2 is carried out again until the indicator stops instruction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810168076.3A CN110200548A (en) | 2018-02-28 | 2018-02-28 | Dust catcher and its self cleaning method with self-cleaning function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810168076.3A CN110200548A (en) | 2018-02-28 | 2018-02-28 | Dust catcher and its self cleaning method with self-cleaning function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110200548A true CN110200548A (en) | 2019-09-06 |
Family
ID=67778895
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810168076.3A Pending CN110200548A (en) | 2018-02-28 | 2018-02-28 | Dust catcher and its self cleaning method with self-cleaning function |
Country Status (1)
| Country | Link |
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| CN (1) | CN110200548A (en) |
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| WO2022179585A1 (en) * | 2021-02-26 | 2022-09-01 | 追觅创新科技(苏州)有限公司 | Cleaning device, and blocking measurement method for filter element of same |
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