CN103767623B - There is the dust catcher of self-cleaning function - Google Patents
There is the dust catcher of self-cleaning function Download PDFInfo
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- CN103767623B CN103767623B CN201410072914.9A CN201410072914A CN103767623B CN 103767623 B CN103767623 B CN 103767623B CN 201410072914 A CN201410072914 A CN 201410072914A CN 103767623 B CN103767623 B CN 103767623B
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- control valve
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- prefilter
- cleaning function
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- 239000000428 dust Substances 0.000 title claims abstract description 101
- 238000004140 cleaning Methods 0.000 title claims abstract description 69
- 238000011045 prefiltration Methods 0.000 claims abstract description 42
- 238000002347 injection Methods 0.000 claims description 16
- 239000007924 injection Substances 0.000 claims description 16
- 239000000463 material Substances 0.000 claims description 3
- 238000009958 sewing Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 13
- 238000000034 method Methods 0.000 abstract description 10
- 238000001914 filtration Methods 0.000 description 12
- 230000000903 blocking effect Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 206010044565 Tremor Diseases 0.000 description 1
- 238000013475 authorization Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000010358 mechanical oscillation Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000005201 scrubbing Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
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Abstract
Present invention is disclosed a kind of dust catcher with self-cleaning function, comprise wind inlet channel, exhaust air flue, dust bucket, main filter and prefilter, wherein, described wind inlet channel runs through described dust bucket and is connected with described exhaust air flue, described main filter and prefilter are all arranged in described dust bucket, and described prefilter is set in outside described main filter, it is characterized in that: described dust catcher also comprises the first bypass channel and the first control valve, wherein, described first bypass channel comprises the first entrance and the first outlet, described first entrance is connected with described exhaust air flue, described first outlet is arranged between described main filter and prefilter, described first control valve controls opening of the first bypass channel or closed.So this dust catcher technique with automatically cleaning effect is simple and easy, with low cost, simple operation simultaneously, just can reach the advantages such as good automatically cleaning effect without the need to shutting down.
Description
Technical field
The present invention relates to a kind of dust catcher, particularly relate to a kind of dust catcher with self-cleaning function.
Background technology
Circulation in the market has all eurypalynous dust catchers, but the no matter dust catcher of which kind of type, its general principle utilizes motor High Rotation Speed, makes to produce certain vacuum in dirt case, so air can be sucked from suction inlet, and entered in dirt case by scrubbing brush, adapter, flexible pipe, main suction pipe.Air with dust after the filtration of filter, then enters in motor in dirt case, finally discharges from air outlet, and the air of discharge is the pure air after filter dirt.But; along with the carrying out of cleaning operation process; a large amount of high concentrate dust can be deposited in the surface of filter gradually; filter is blocked; thus causing the air quantity of dust catcher and suction to reduce rapidly at short notice, motor speed and temperature rise thereupon, cause shutting down even burn-down of electric motor; therefore, dust catcher is necessary to possess self-cleaning function.
Existing much about the correlation technique of dust catcher self-cleaning function in the market, as in the application number patent document that is 201080034054.X disclose, it utilizes the cleaned filter of mechanical type to reach automatically cleaning object.This type of dust catcher is trembled ash by filter resilience or is rotated the cleaned filter of scratch device, or is adopt mechanical oscillation to tremble ash to reach automatically cleaning object.But there is following shortcoming in this type of automatically cleaning technology: complicated operation, also has requirement to downtime, and cleaning effect is poor.
And disclose in the patent document that and for example Authorization Notice No. is CN202619573U, its by back draught to reach automatically cleaning object.This type of dust catcher normally twinfilter; by solenoid control circuit switching; change airflow direction; back draught is made to blow down the dust of filter air intake surface blocking; reach the effect of self-cleaning filter, it can keep filter continuous flow penetrating, takes out cleaning filter or replacing without the need to repeatedly shutting down; protect electric fan, the dust catcher greatly increased the service life simultaneously.But this type of automatically cleaning technology exists following shortcoming: first is that loop is complicated, second is need to use solenoid control, and complex process, cost is higher.Therefore, be necessary to be improved.
Summary of the invention
The object of the invention is to for above-mentioned defect of the prior art; there is provided a kind of loop simple; control valve is utilized to make dust catcher inside produce back draught; propel the price of prefilter to reach good automatically cleaning effect; embody technique simple and easy; with low cost, simple operation simultaneously, just can reach the advantages such as good automatically cleaning effect without the need to shutting down.
For achieving the above object, present invention employs following technical scheme: a kind of dust catcher with self-cleaning function, comprise wind inlet channel, exhaust air flue, dust bucket, main filter and prefilter, wherein, described wind inlet channel runs through described dust bucket and is connected with described exhaust air flue, described main filter and prefilter are all arranged in described dust bucket, and described prefilter is set in outside described main filter, it is characterized in that: described dust catcher also comprises the first bypass channel and the first control valve, wherein, described first bypass channel comprises the first entrance and the first outlet, described first entrance is connected with described exhaust air flue, described first outlet is arranged between described main filter and prefilter, described first control valve controls opening of the first bypass channel or closed.
In addition, the present invention also provides following attached technical scheme:
The described dust catcher with self-cleaning function also comprises the second control valve, described second control valve and described wind inlet channel matched with control described wind inlet channel opening or closed.
The described dust catcher with self-cleaning function also comprises the second bypass channel, and described second bypass channel is connected with described wind inlet channel.
The described dust catcher with self-cleaning function also comprises the 3rd control valve, the 3rd control valve and described second bypass channel matched with control the second bypass channel opening or closed.
The described dust catcher with self-cleaning function also comprises driver, and described in described driver control, the first, the 3rd control valve opens or closes.
The described dust catcher with self-cleaning function also comprises electronic circuit control board, and described electronic circuit control board and described driver are electrically connected mutually.
The described dust catcher with self-cleaning function also comprises injection apparatus, and described injection apparatus is connected with described second bypass channel.
Described injection apparatus comprises at least two jet exits, and described prefilter is pointed in the direction of the air-flow that described jet exit is discharged.
Described prefilter is that sewing material is made.
The described dust catcher with self-cleaning function also comprises motor, and described motor is communicated with described wind inlet channel and exhaust air flue, and described main filter and prefilter are arranged between described air inlet and motor.
Compared to prior art, advantage of the present invention is: this dust catcher with self-cleaning function also comprises the first bypass channel and the first control valve, wherein, first bypass channel comprises the first entrance and the first outlet, first entrance is connected with exhaust air flue, first outlet is arranged between described main filter and prefilter, and this first control valve controls opening of the first bypass channel or closed.When closedown the first control valve, this dust catcher is in normal operating conditions, and when opening the first control valve, can produce back draught between main filter and prefilter, prefilter propels the price of by this back draught, reaches automatically cleaning effect.So; this dust catcher loop with automatically cleaning effect is simple; control valve is utilized to make dust catcher inside produce back draught; propel the price of prefilter to reach good automatically cleaning effect; embody technique simple and easy; with low cost, simple operation simultaneously, just can reach the advantages such as good automatically cleaning effect without the need to shutting down.
Accompanying drawing explanation
Fig. 1 is the structural representation with the dust catcher of self-cleaning function corresponding to the embodiment of the present invention 1.
Fig. 2 is the injection apparatus principle sketch with the dust catcher of self-cleaning function corresponding to the embodiment of the present invention 1.
Fig. 3 is the normal operating conditions principle sketch with the dust catcher of self-cleaning function corresponding to the embodiment of the present invention 1.
Fig. 4 is the automatically cleaning state principle sketch with the dust catcher of self-cleaning function corresponding to the embodiment of the present invention 1.
Fig. 5 is the normal operating conditions principle sketch with the dust catcher of self-cleaning function corresponding to the embodiment of the present invention 2.
Fig. 6 is the automatically cleaning state principle sketch with the dust catcher of self-cleaning function corresponding to the embodiment of the present invention 2.
Fig. 7 is the structural representation with the dust catcher of self-cleaning function corresponding to the embodiment of the present invention 3.
Fig. 8 is the normal operating conditions principle sketch with the dust catcher of self-cleaning function corresponding to the embodiment of the present invention 3.
Fig. 9 is the automatically cleaning state principle sketch with the dust catcher of self-cleaning function corresponding to the embodiment of the present invention 3.
Figure 10 is the normal operating conditions principle sketch with the dust catcher of self-cleaning function corresponding to the embodiment of the present invention 4.
Figure 11 is the automatically cleaning state principle sketch with the dust catcher of self-cleaning function corresponding to the embodiment of the present invention 4.
Detailed description of the invention
Below in conjunction with preferred embodiment and accompanying drawing thereof, technical solution of the present invention is further non-limitingly described in detail.
Embodiment 1:
Fig. 1 to Fig. 4 is the dust catcher with self-cleaning function that the present invention discloses, and it comprises the motor 1, dust bucket 45, wind inlet channel 2 and the exhaust air flue 3 that are arranged on this dust catcher inside.Wherein, motor 1 is arranged between wind inlet channel 2 and exhaust air flue 3, causes wind inlet channel 2 and exhaust air flue 3 to be interconnected.Wind inlet channel 2 has air inlet 12, and exhaust air flue 3 has air outlet 13, and air inlet 12 is all connected with the external world with air outlet 13.Dust bucket 45 is arranged between air inlet 12 and motor 1, and is interconnected by wind inlet channel 3 and motor 1.Be provided with main filter 10 and prefilter 11 in dust bucket 45, this prefilter 11 is sewing material, is set in outside main filter 10, there is certain interval between the two, and this gap is filtration channel 4, and filtration channel 4 belongs to a part for wind inlet channel 2.
The injection apparatus 50 that this dust catcher also comprises the first bypass channel 5 and is connected with this first bypass channel 5, this first bypass channel 5 comprises the first entrance 15 and the first outlet 16, first entrance 15 is connected with exhaust air flue 3, and the first outlet 16 is interconnected with filtration channel 4.Injection apparatus 50 is arranged between main filter 10 and prefilter 11, exports 16 be connected with first.This injection apparatus 50 is around setting at least two jet exits, and Main Function is the bore reducing gas outlet, improves the pressure entraining air stream, and therefore the quantity of jet exit is more, and air-flow is stronger, and automatically cleaning effect is more obvious.As can be seen from Figure 3, injection apparatus comprises the first jet exit 50a, the second jet exit 50b, and from first and second jet exit 50a, 50b ejection air-flow towards prefilter 11 side, there is certain angle in the air-flow entered with wind inlet channel 2, the scope of this angle is between 0 ° to 90 °.
Can find out from Fig. 3 and Fig. 4, in the first bypass channel 5, be provided with the first control valve 20, this first control valve 20 is controlled by switching device 55, and switching device 55 can control opening or closing of the first bypass channel 5 by control first control valve 20.As shown in Figure 1, switching device 55 comprises press button 40, button connecting rod 41 and spring 42, wherein, the two ends of button connecting rod 41 are connected with the first control valve 20 with press button 40 respectively, spring 42 is arranged on the below of the first control valve 20, for the first control valve 20 provides an elastic force upwards.When pressing press button 40 downwards, by the transmission of button connecting rod 41, the first control valve 20 can be opened, thus the first bypass channel 5 is open-minded.Release button switch 40, first control valve 20 resets under the effect of the elastic-restoring force of spring 42, and the first bypass channel 5 closes.
Certainly, the opening and closing of driver (not shown), above-mentioned first control valve 20 of electronic circuit control board (not shown) control can also be set.This electronic circuit control board and driver are electrically connected mutually, and driver is then interconnected with the first control valve 20, and can receive and respond the signal of electronic circuit control board, control the opening and closing of the first control valve 20.In order to embody the automation effect of this dust catcher, the operation principle below disclosed is the opening and closing adopting electronic circuit control board and driver control first control valve 20.
Operation principle of the present invention is: when normal operating conditions, and the first control valve 20 is closed.After motor 1 starts, along with the High Rotation Speed of motor 1, produce certain vacuum in dust bucket 45 and wind inlet channel 2, the air of extraneous band dirt enters from air inlet 12.Air motion direction is specially: first through prefilter 11, and after the preliminary filtration of prefilter 11, the dust that particle is larger can drop in dust bucket 45 or attach on prefilter 11.But the dust that particle is less can pass prefilter 11 and filtration channel 4, arrive main filter 10, main filter 10 can be clean dust-filtering less for particle in air, and then clean air through wind inlet channel 2, motor 1, exhaust air flue 3, is finally discharged from air outlet 13 successively.Because the first control valve 20 in the first bypass channel 5 is in closed condition, the first bypass channel 5 not conducting, so dust catcher cannot start automatically cleaning pattern.
When after dust blocking prefilter 11, cause prefilter 11 internal pressure to increase, after electronic circuit control board detects pressure signal, produce control signal and send drive unit to.After drive unit receives control signal, open the first control valve 20, make the first bypass channel 5 conducting, this first control valve 20 can manual unlocking certainly.
Motor 1 is rotated further, and outside air still enters in dust catcher from air inlet 12, but partial air can enter from the first entrance 15 of the first bypass channel 5 after motor 1, then through the first outlet 16, discharges after arriving injection apparatus 50.Because injection apparatus 50 has first and second jet exit 50a, 50b, bore diminishes instantaneously, the air pressure of discharging air-flow is caused to increase, and airflow direction points to prefilter 11, prefilter 11 is after air-flow blows and hits, and a part of dust attached on prefilter 11 is blown off in dust bucket 45.
Simultaneously because the wind inlet channel 2 between dust bucket 45 and motor is in certain vacuum state, the air-flow of therefore discharging from the first outlet 16 can circle round in wind inlet channel 2 through main filter 10 again, so, back draught 30 can be formed in filtration channel 4.Because main filter 10 filter bores is minimum, back draught 30, when main filter 10, can be cushioned by main filter blocks, cause a part of back draught 30 undergoes rapid expansion between main filter 10 and prefilter 11, propelled the price of by prefilter 11.The dust that major part attaches can be shaken off in dust bucket 45 again by the prefilter 11 of spreading, completes automatically cleaning work.
When dust catcher enters automatically cleaning state, electronic circuit control board can transmit the time interval of an automated cleaning, when after clean end, driver can close the first control valve 20 automatically, dust catcher can continue normal work, and certainly, this first control valve 20 can manual-lock.And when the long-pending full dust bucket 45 of dust, or prefilter 11 is cleared up several times, when blocking checking needs to change, electronic circuit control board can direct powered-down, and prompting user clears up rubbish or replacing prefilter 11 in dust bucket 45.
Embodiment 2:
With reference to Fig. 5 and Fig. 6, arrange the second control valve 21 in wind inlet channel 2, this second control valve 21 near air inlet 12, and controls opening of air inlet 12 or closed by controlling the second control valve 21 equally.All the other structures are with embodiment 1.
When dust catcher normally works, the first control valve 20 is closed, and the second control valve 21 is opened.Working method, and airflow direction is all with enforcement 1.
During dust catcher automatically cleaning, the first control valve 20 is opened, and the second control valve 21 is closed.Because the second control valve 21 is closed, therefore air inlet 12 flows into without air.But because dust catcher itself does not seal completely, therefore having micro-air flows in wind inlet channel 2, and together with the air of dust catcher inside, circulate under the driving of motor, circulating path is: motor---exhaust air flue---the first bypass channel---filtration channel---wind inlet channel---motor.Automatically cleaning working method, and back draught 30 direction is all with embodiment 1.
Embodiment 3:
With reference to Fig. 7 and Fig. 9, second bypass channel 6 is set in dust catcher, this second bypass channel 6 comprises the second entrance 25 and the second outlet 26, second entrance 25 is in communication with the outside, second outlet 26 is connected with wind inlet channel 2, second entrance 25 place of the second bypass channel 6 is provided with the 3rd control valve 22, and certainly, the 3rd control valve 22 also can be arranged on the inside of the second bypass channel 6.3rd control valve 22, by Non-follow control, also can be controlled by driver (not shown) and electronic circuit control board (not shown).All the other structures are with embodiment 1.
When dust catcher normally works, the first control valve 20 and the 3rd control valve 22 are all closed.After electric motor starting, the working method of dust catcher, and airflow direction is all with embodiment 1.
During dust catcher automatically cleaning, the first control valve 20 and the 3rd control valve 22 are in open mode.Fraction enters from air inlet 12, and enter after prefilter 11, main filter 10 and wind inlet channel 2 in motor 1, this part air is through the filtration of filter.And another part air-flow enters in the second bypass channel 6 from the second entrance 25 of the second bypass channel 6, enter in wind inlet channel 2 and motor 1 from the second outlet 26 again, this part air is not through the filtration of filter.Two strands of air-flows are after the integration of motor 1, discharge from exhaust air flue 3, and open due to the first control valve 20, the first bypass channel 5 is conductings, therefore a part of air-flow in exhaust air flue 3 enters in the first bypass channel 5, and discharges from the first outlet 16, injection apparatus 50 successively.After air-flow is discharged from injection apparatus 50, the automatically cleaning work of dust catcher and back draught direction 30 are all identical with embodiment 1.
Embodiment 4:
With reference to Figure 10 to Figure 11, in wind inlet channel 2, arrange the second control valve 21, this second control valve 21, near air inlet 12, controls opening or closing of air inlet 12 by controlling the second control valve 21.Second bypass channel 6 is set in dust catcher, this second bypass channel 6 comprises the second entrance 25 and the second outlet 26, second entrance 25 is in communication with the outside, second outlet 26 is connected with wind inlet channel 2,3rd control valve 22 is set in the second bypass channel 6, similarly, opening or closing of the second bypass channel 6 can be controlled by controlling the 3rd control valve 22.3rd control valve 22 can Non-follow control, also can be controlled by driver (not shown) and electronic circuit control board (not shown).All the other structures are with implementing 1.
When dust catcher normally works, the first control valve 20 and the 3rd control valve 22 are all closed, and the second control valve 21 is opened.After electric motor starting, the working method of dust catcher, and airflow direction is all with embodiment 1.
During the work of dust catcher automatically cleaning, the first control valve 20 and the 3rd control valve 22 are all opened, and the second control valve 21 is closed.Therefore air inlet 12 flows into without air, and the second bypass channel 6 is free air-flow to enter.Flow into the air of the second bypass channel 6 more successively through wind inlet channel 2, motor 1 and exhaust air flue 3.Because the first control valve 20 is in opening, the first bypass channel 5 conducting, therefore, the partial air in exhaust air flue 3 enters in the first bypass channel 5, and is discharged to filtration channel 4 from jet exit 50.After air-flow is discharged from injection apparatus 50, the automatically cleaning work of dust catcher and back draught direction 30 are all identical with embodiment 1.
It is pointed out that above-mentioned preferred embodiment is only and technical conceive of the present invention and feature are described, its object is to person skilled in the art can be understood content of the present invention and implement according to this, can not limit the scope of the invention with this.All equivalences done according to Spirit Essence of the present invention change or modify, and all should be encompassed within protection scope of the present invention.
Claims (10)
1. one kind has the dust catcher of self-cleaning function, comprise wind inlet channel, exhaust air flue, dust bucket, main filter and prefilter, wherein, described wind inlet channel runs through described dust bucket and is connected with described exhaust air flue, described main filter and prefilter are all arranged in described dust bucket, and described prefilter is set in outside described main filter, it is characterized in that: described dust catcher also comprises the first bypass channel and the first control valve, wherein, described first bypass channel comprises the first entrance and the first outlet, described first entrance is connected with described exhaust air flue, described first outlet is arranged between described main filter and prefilter, described first control valve controls opening of the first bypass channel or closed.
2. the dust catcher with self-cleaning function according to claim 1, is characterized in that it also comprises the second control valve, described second control valve and described wind inlet channel matched with control described wind inlet channel opening or closed.
3. the dust catcher with self-cleaning function according to claim 1, is characterized in that it also comprises the second bypass channel, and described second bypass channel is connected with described wind inlet channel.
4. the dust catcher with self-cleaning function according to claim 3, is characterized in that it also comprises the 3rd control valve, the 3rd control valve and described second bypass channel matched with control the second bypass channel opening or closed.
5. the dust catcher with self-cleaning function according to claim 4, is characterized in that it also comprises driver, and described in described driver control, the first, the 3rd control valve opens or closes.
6. the dust catcher with self-cleaning function according to claim 5, is characterized in that it also comprises electronic circuit control board, and described electronic circuit control board and described driver are electrically connected mutually.
7. the dust catcher with self-cleaning function according to claim 3, is characterized in that it also comprises injection apparatus, and described injection apparatus is connected with described second bypass channel.
8. the dust catcher with self-cleaning function according to claim 7, is characterized in that: described injection apparatus comprises at least two jet exits, and described prefilter is pointed in the direction of the air-flow that described jet exit is discharged.
9. the dust catcher with self-cleaning function according to claim 1, is characterized in that: described prefilter is that sewing material is made.
10. the dust catcher with self-cleaning function according to claim 1, it is characterized in that it also comprises motor, described motor is communicated with described wind inlet channel and exhaust air flue, described wind inlet channel has air inlet, described exhaust air flue has air outlet, and described main filter and prefilter are arranged between described air inlet and motor.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410072914.9A CN103767623B (en) | 2014-02-28 | 2014-02-28 | There is the dust catcher of self-cleaning function |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410072914.9A CN103767623B (en) | 2014-02-28 | 2014-02-28 | There is the dust catcher of self-cleaning function |
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| CN103767623A CN103767623A (en) | 2014-05-07 |
| CN103767623B true CN103767623B (en) | 2016-04-13 |
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Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107456159B (en) * | 2016-06-06 | 2021-01-26 | 天佑电器（苏州）有限公司 | Self-cleaning vacuum cleaner and method for operating the same |
| CN108606722A (en) * | 2016-12-12 | 2018-10-02 | 天佑电器（苏州）有限公司 | A kind of sealing structure and the dust catcher including it |
| CN207604906U (en) * | 2017-02-27 | 2018-07-13 | 天佑电器（苏州）有限公司 | Dust catcher with self-cleaning function |
| CN114886340B (en) | 2017-05-19 | 2025-02-07 | 科沃斯机器人股份有限公司 | Self-cleaning method of self-moving cleaning robot and self-moving cleaning robot |
| CN110200548A (en) * | 2018-02-28 | 2019-09-06 | 天佑电器（苏州）有限公司 | Dust catcher and its self cleaning method with self-cleaning function |
| CN209300841U (en) * | 2018-08-13 | 2019-08-27 | 佛山市顺德区美的电热电器制造有限公司 | Cooking apparatus |
| CN111281275A (en) * | 2020-04-01 | 2020-06-16 | 安克创新科技股份有限公司 | Dust box self-cleaning system, dust box assembly, cleaning device and self-cleaning method |
| CN112206592A (en) * | 2020-10-10 | 2021-01-12 | 刘伟 | Regeneration energy-saving dust collector for building |
| CN115978645B (en) * | 2022-12-09 | 2024-06-18 | 珠海格力电器股份有限公司 | Exhaust pipeline structure, air conditioner, exhaust control method, equipment and medium |
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| CN103767623A (en) | 2014-05-07 |
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