CN113384968B - Self-cleaning mechanism for air return inlet - Google Patents
Self-cleaning mechanism for air return inlet Download PDFInfo
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- CN113384968B CN113384968B CN202110675089.1A CN202110675089A CN113384968B CN 113384968 B CN113384968 B CN 113384968B CN 202110675089 A CN202110675089 A CN 202110675089A CN 113384968 B CN113384968 B CN 113384968B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
- B01D46/103—Curved filtering elements
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
- Y02A50/2351—Atmospheric particulate matter [PM], e.g. carbon smoke microparticles, smog, aerosol particles, dust
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- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The invention discloses a self-cleaning mechanism for a return air inlet, which comprises a shell, wherein an air inlet and an air outlet are arranged on the side wall of the shell, a spherical crown-shaped filter screen positioned between the air inlet and the air outlet is arranged in an inner cavity of the shell, and a double-sided self-suction type cleaning mechanism for cleaning the upper surface and the lower surface of the spherical crown-shaped filter screen is arranged in the shell. The invention can perform double-sided adsorption cleaning on the spherical crown-shaped filter screen, thereby having better cleaning effect and avoiding the occurrence of secondary hole plugging.
Description
Technical Field
The invention relates to the technical field of air return inlets, in particular to a self-cleaning mechanism for an air return inlet.
Background
The return air inlet is an essential component of an air supply system of a clean room such as an operating room, a purification workshop and the like, and generally comprises two parts, namely a bottom frame fixed on a building such as a vertical wall plate or a ceiling, and a return air inlet panel plate covering and positioned on the bottom frame, wherein a filter screen is arranged between the bottom frame and the return air inlet panel. Most of the return air inlets still adopt the traditional filter screen for dust removal and are periodically and manually disassembled and cleaned, but most of the return air inlets are inconvenient to disassemble and have large disassembling workload and can also dissipate a large amount of dust; therefore, the general cleaning work is cleaned by professional after-sales of manufacturers; and adds additional use costs.
In order to solve the problem of the complaint, the self-cleaning mechanism for the return air inlet is provided by improving the problem.
Disclosure of Invention
In order to solve the technical problems, the invention provides the following technical scheme:
the invention discloses a self-cleaning mechanism for an air return port, which comprises a shell, wherein an air inlet and an air outlet are arranged on the side wall of the shell, a spherical crown-shaped filter screen positioned between the air inlet and the air outlet is arranged in an inner cavity of the shell, and a double-sided self-suction cleaning mechanism for cleaning the upper surface and the lower surface of the spherical crown-shaped filter screen is arranged in the shell.
As a preferred technical scheme of the invention, the double-sided self-suction type cleaning mechanism comprises a first cleaning mechanism which is arranged in a shell and used for cleaning the upper surface of the filter screen and a second cleaning mechanism which is arranged in the shell and used for cleaning the lower surface of the filter screen; first clean mechanism is including setting up on the casing and vertical a pair of electric telescopic handle towards the filter screen upper surface, and is equipped with the elevator between a pair of electric telescopic handle's the flexible end, the bottom on the elevator is equipped with rotatory piece, be equipped with the rotatory piece pivoted actuating mechanism of drive on the casing, be equipped with on the rotatory piece to the filter screen upper surface cleanness from inhaling formula clean frame.
As a preferred technical scheme of the present invention, the driving mechanism includes a shaft barrel disposed on the rotation block and penetrating through the lifting block, a spline shaft hole is disposed in the shaft barrel disposed in parallel with the electric telescopic rod, a spline shaft having a shaft end extending into the spline shaft hole is disposed on the housing, and a driving motor for driving the spline shaft to rotate is disposed on the housing.
As a preferred technical scheme of the invention, the self-suction type cleaning frame comprises a semi-annular positioning frame arranged at the top of a rotating block, the top of the semi-annular positioning frame is connected with a semi-annular cleaning frame through an elastic mechanism, the semi-annular cleaning frame is provided with a cleaning brush contacted with the upper surface of a spherical crown-shaped filter screen, an air cavity is arranged in the semi-annular cleaning frame, the bottom of the semi-annular positioning frame and the part facing the upper surface of the filter screen are provided with dust suction holes, and the semi-annular cleaning frame is provided with a dust suction pipe communicated with the air cavity.
As a preferable technical scheme of the invention, the elastic mechanism comprises a plurality of springs arranged between a semi-annular cleaning frame and a semi-annular positioning frame, a limiting rod which is vertically upward is arranged on the semi-annular cleaning frame, and a limiting through hole for the limiting rod to pass through is arranged on the semi-annular positioning frame.
As a preferable aspect of the present invention, the second cleaning mechanism and the first cleaning mechanism have the same structure.
As a preferred technical scheme of the present invention, a negative pressure dust suction mechanism is disposed outside the housing, the negative pressure dust suction mechanism includes a protection box disposed on an outer side wall of the housing, a dust filter cartridge and a suction fan are disposed in the protection box, an air outlet end of the dust filter cartridge is connected to an air inlet end of the suction fan through a connection pipe, and an air inlet end of the dust filter cartridge is connected to the dust suction pipes of the second cleaning mechanism and the first cleaning mechanism through an air exchange pipeline.
As a preferred technical scheme of the invention, the air exchange pipeline comprises an air inlet main pipe connected with an air inlet end of the dust filter cylinder, the air inlet main pipe is connected with a dust suction pipe in the first cleaning mechanism through a first air pipe, and the air inlet main pipe is connected with a dust suction pipe in the second cleaning mechanism through a second air pipe; the air conditioner is characterized in that a first electromagnetic valve is arranged on the first air pipe, a second electromagnetic valve is arranged on the second air pipe, and the first electromagnetic valve and the second electromagnetic valve are opened alternately.
As a preferable technical scheme of the invention, disinfection mechanisms are arranged in the first cleaning mechanism and the second cleaning mechanism respectively, each disinfection mechanism comprises a plurality of positioning frames arranged on the outer side of the semi-annular cleaning frame, each positioning frame is provided with a disinfection spray head, a storage tank for storing disinfectant is arranged in the protective box, and the storage tank is connected with the disinfection spray heads through a delivery pump set.
As a preferred technical scheme of the invention, the driving motor is in transmission connection with the spline shaft through a reciprocating swing mechanism, the reciprocating swing mechanism comprises a positioning bottom plate and a transmission gear arranged on the spline shaft, a reciprocating screw rod is arranged on the positioning bottom plate, a sliding block which moves in a reciprocating manner along the reciprocating screw rod is arranged on the reciprocating screw rod, and a straight rack which is in meshing transmission with the transmission gear is fixed on the sliding block.
The invention has the beneficial effects that: in the self-cleaning mechanism for the air return inlet, when the surface of the spherical crown-shaped filter screen is cleaned, firstly, electric telescopic rods in the first cleaning mechanism and the second cleaning mechanism are extended and controlled to drive the lifting block to lift, and further, the self-suction cleaning frame is driven to lift, so that the self-suction cleaning frame is attached to the upper surface and the lower surface of the spherical crown-shaped filter screen, then, under the action of the elastic mechanism, the semi-annular cleaning frame in the self-suction cleaning frame is attached to the surface of the spherical crown-shaped filter screen, a cleaning brush is in surface contact with the semi-annular cleaning frame, and then, under the action of the driving mechanism, the semi-annular cleaning frame is driven to rotate along the surface of the spherical crown-shaped filter screen, wherein under the action of the negative pressure dust suction mechanism, dust generated by the surface cleaning of the spherical crown-shaped filter screen is adsorbed by the semi-annular cleaning frame; wherein be through being in turn opening first solenoid valve and second solenoid valve for when utilizing first clean mechanism and the clean mechanism of second to clean the coronal filter screen of ball, can adsorb the dust that produces in the two-sided clean process, avoid taking place the stifled hole phenomenon of secondary.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is an installation schematic diagram of a self-cleaning mechanism for a return air inlet of the present invention;
FIG. 2 is a schematic structural view of a double-sided self-priming cleaning mechanism of the self-cleaning mechanism for the return air inlet of the present invention;
FIG. 3 is a schematic view of a first cleaning mechanism of the self-cleaning mechanism for the return air inlet of the present invention;
FIG. 4 is a schematic structural view of a semi-annular positioning frame of the self-cleaning mechanism for the air return inlet of the present invention;
FIG. 5 is a schematic structural view of a semi-annular cleaning frame of the self-cleaning mechanism for the return air inlet of the present invention;
FIG. 6 is a schematic view of an air exchange pipe of the self-cleaning mechanism for the air return inlet of the present invention;
FIG. 7 is a schematic structural view of an air chamber of a self-cleaning mechanism for an air return inlet according to the present invention;
FIG. 8 is a schematic structural view of a reciprocating swing mechanism of a self-cleaning mechanism for a return air inlet of the present invention;
FIG. 9 is a schematic view of a spline shaft hole of a self-cleaning mechanism for a return air inlet according to the present invention.
In the figure: 1. a housing; 2. an air inlet; 3. an air outlet; 4. a filter screen; 6. a double-sided self-priming cleaning mechanism; 7. a first cleaning mechanism; 8. a second cleaning mechanism; 9. an electric telescopic rod; 10. a lifting block; 11. rotating the block; 12. a drive mechanism; 13. a self-suction cleaning frame; 14. a shaft cylinder; 15. a splined shaft hole; 16. a spline shaft; 17. a drive motor; 18. a semi-annular positioning frame; 19. a semi-annular cleaning frame; 20. cleaning the brush; 21. a wind cavity; 22. a dust collection hole; 23. a dust collection pipe; 24. a spring; 25. a limiting rod; 26. a limiting through hole; 27. a negative pressure dust suction mechanism; 28. a protective box; 29. a dust filter cartridge; 30. a suction fan; 31. a ventilation pipeline; 32. an air inlet main pipe; 33. a first air duct; 34. a second air duct; 35. a first solenoid valve; 36. a second solenoid valve; 37. a sterilizing mechanism; 38. a positioning frame; 39. a disinfection nozzle; 40. storing the tank; 41. a reciprocating swing mechanism; 42. positioning the bottom plate; 43. a transmission gear; 44. a reciprocating screw rod; 45. a slider; 46. and (4) a straight rack.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
Example (b): as shown in fig. 1-9, the self-cleaning mechanism for the return air inlet of the present invention comprises a housing 1, wherein an air inlet 2 and an air outlet 3 are disposed on a side wall of the housing 1, a spherical crown shaped filter screen 4 located between the air inlet 2 and the air outlet 3 is installed in an inner cavity of the housing 1, and a double-sided self-suction type cleaning mechanism 6 for cleaning an upper surface and a lower surface of the spherical crown shaped filter screen 4 is disposed in the housing 1. Can carry out two-sided absorption cleanness to crowned filter screen 4 of ball to have better clean effect and also avoid having the emergence of secondary stifled hole phenomenon.
The double-sided self-suction type cleaning mechanism 6 comprises a first cleaning mechanism 7 which is arranged in the shell 1 and used for cleaning the upper surface of the filter screen and a second cleaning mechanism 8 which is arranged in the shell 1 and used for cleaning the lower surface of the filter screen 4; first clean mechanism 7 is including setting up on casing 1 and vertical a pair of electric telescopic handle 9 towards filter screen 4 upper surface, and is equipped with elevator 10 between a pair of electric telescopic handle 9's the flexible end, the bottom on the elevator 10 is equipped with rotatory piece 11, be equipped with the rotatory 11 pivoted actuating mechanism 12 of drive on casing 1, be equipped with on the rotatory piece 11 to filter screen 4 upper surface cleanness from inhaling formula cleaning frame 13. When the cleaning is not performed, the first cleaning mechanism 7 and the second cleaning mechanism 8 are separated from the filter screen, so that the filter area is increased, and the wind resistance is effectively reduced.
From inhaling formula cleaning frame 13 and being equipped with semi-ring shaped positioning frame 18 including setting up at the top of rotatory piece 11, the top of semi-ring shaped positioning frame 18 is connected with semi-ring shaped cleaning frame 19 through elastic mechanism, be equipped with on the semi-ring shaped cleaning frame 19 with the clean brush 20 of the upper surface contact of the filter screen 4 of spherical cap shape, be equipped with wind chamber 21 in the semi-ring shaped cleaning frame 19, the bottom of semi-ring shaped positioning frame 13 and the part towards the filter screen 4 upper surface are equipped with dust absorption hole 22, be equipped with the dust absorption pipe 23 with wind chamber 21 intercommunication on the semi-ring shaped cleaning frame 19.
Elastic mechanism is equipped with a plurality of springs 24 including setting up between clean frame 19 of semiannular and semiannular locating rack 18, just be equipped with vertical ascending gag lever post 25 on the clean frame 19 of semiannular, be equipped with the spacing through-hole 26 that supplies gag lever post 25 to pass on the semiannular locating rack 18, played spacing effect for can carry out linear motion between clean frame 19 of semiannular and the semiannular locating rack 18, then under the elastic action of spring, make the surface in close contact with of the clean brush on the clean frame 19 of semiannular and filter screen, thereby played fine cleaning.
The second cleaning mechanism 8 and the first cleaning mechanism 7 have the same structure.
The outside of casing 1 is equipped with negative pressure dust absorption mechanism 27, negative pressure dust absorption mechanism 27 is including setting up the protective housing 28 at 1 lateral wall of casing, be equipped with dust cartridge filter 29 and suction fan 30 in the protective housing 28, the air-out end of dust cartridge filter 29 is connected through the air inlet end of connecting pipe with suction fan 30, dust cartridge filter 29 air inlet end is connected through trade wind pipeline 31 and the clean dust absorption pipe 23 on mechanism 8 of second and the clean mechanism 7 of first, produces the negative pressure under the effect of suction fan, will adsorb through the dust that the clean in-process of mechanism 8 of second and the clean mechanism 7 produced to the emergence of secondary stifled hole phenomenon has effectively been avoided.
The air exchange pipeline 31 comprises an air inlet main pipe 32 at the air inlet end of the dust filter cylinder 29, the air inlet main pipe 32 is connected with the dust suction pipe 23 in the first cleaning mechanism 7 through a first air pipe 33, and the air inlet main pipe 32 is connected with the dust suction pipe 23 in the second cleaning mechanism 8 through a second air pipe 34; be equipped with first solenoid valve 35 on the first tuber pipe 33, be equipped with second solenoid valve 36 on the second tuber pipe 34, first solenoid valve 35 and second solenoid valve 36 are the alternative and open, are convenient for adsorb the two sides of filter screen, and compare with the single face adsorption, the adsorbed more abundant thoroughly, and difficult emergence stifled hole phenomenon.
All be equipped with disinfection mechanism 37 in first clean mechanism 7 and the clean mechanism 8 of second, disinfection mechanism 37 is including setting up a plurality of locating racks 38 in the semi-annular clean frame 19 outside, be equipped with disinfection shower nozzle 39 on the locating rack 38, be equipped with the storage jar 40 that is used for depositing the antiseptic solution in the protective housing 28, storage jar 40 is connected with disinfection shower nozzle 39 through carrying the pump package, has played sterile effect, avoids breeding a large amount of bacteriums at the long-time in-process of using of filter screen.
Driving motor 17 is connected with integral key shaft 16 transmission through reciprocating swing mechanism 41, reciprocating swing mechanism 41 includes positioning bottom plate 42 and sets up the drive gear 43 on integral key shaft 16, be equipped with reciprocal lead screw 44 on the positioning bottom plate 42, be equipped with on the reciprocal lead screw 44 along reciprocal lead screw 44 reciprocating motion's sliding block 45, be fixed with on the sliding block 45 with drive gear 43 meshing driven spur rack 46, through driving spur rack reciprocating motion along reciprocal lead screw reciprocating motion sliding block, and then drive integral key shaft reciprocating rotation through drive gear to effectively avoided twining the emergence of pipe phenomenon.
The working principle is as follows: when the surface of the spherical crown-shaped filter screen 4 is cleaned, firstly, the electric telescopic rods 9 in the first cleaning mechanism 7 and the second cleaning mechanism 8 are controlled to extend to drive the lifting block 10 to lift, and further drive the self-suction type cleaning frame 13 to lift, so that the self-suction type cleaning frame 13 is attached to the upper surface and the lower surface of the spherical crown-shaped filter screen 4, then under the action of the elastic mechanism, the semi-annular cleaning frame 19 in the self-suction type cleaning frame 13 is attached to the surface of the spherical crown-shaped filter screen 4, so that the cleaning brush 20 is in surface contact with the semi-annular cleaning frame 19, and then under the action of the driving mechanism 12, the semi-annular cleaning frame 19 is driven to rotate along the surface of the spherical crown-shaped filter screen 4, wherein under the action of the negative pressure dust collection mechanism 27, dust generated by the surface cleaning of the spherical crown-shaped filter screen 4 is adsorbed by the semi-annular cleaning frame 19; wherein be alternately opening through being first solenoid valve 35 and second solenoid valve 36 for when utilizing first clean mechanism 7 and the clean mechanism 8 of second to clean crowned filter screen 4 of ball, can adsorb the dust that produces in the two-sided clean process, avoid taking place the stifled hole phenomenon of secondary.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (4)
1. The utility model provides a self-cleaning mechanism for return air inlet which characterized in that: the cleaning device comprises a shell (1), wherein an air inlet (2) and an air outlet (3) are formed in the side wall of the shell (1), a spherical crown-shaped filter screen (4) positioned between the air inlet (2) and the air outlet (3) is installed in an inner cavity of the shell (1), and a double-sided self-suction type cleaning mechanism (6) for cleaning the upper surface and the lower surface of the spherical crown-shaped filter screen (4) is arranged in the shell (1);
the double-sided self-suction type cleaning mechanism (6) comprises a first cleaning mechanism (7) which is arranged in the shell (1) and used for cleaning the upper surface of the filter screen and a second cleaning mechanism (8) used for cleaning the lower surface of the filter screen (4); the first cleaning mechanism (7) comprises a pair of electric telescopic rods (9) which are arranged on the shell (1) and vertically face the upper surface of the filter screen (4), a lifting block (10) is arranged between the telescopic ends of the electric telescopic rods (9), a rotating block (11) is arranged at the bottom of the lifting block (10), a driving mechanism (12) for driving the rotating block (11) to rotate is arranged on the shell (1), and a self-suction cleaning frame (13) for cleaning the upper surface of the filter screen (4) is arranged on the rotating block (11);
the driving mechanism (12) comprises a shaft barrel (14) which is arranged on the rotating block (11) and penetrates through the lifting block (10), a spline shaft hole (15) is formed in the shaft barrel (14) which is arranged in parallel with the electric telescopic rod (9), a spline shaft (16) with a shaft end extending into the spline shaft hole (15) is arranged on the shell (1), and a driving motor (17) for driving the spline shaft (16) to rotate is arranged on the shell (1);
the self-suction type cleaning frame (13) comprises a semi-annular positioning frame (18) arranged at the top of a rotating block (11), the top of the semi-annular positioning frame (18) is connected with a semi-annular cleaning frame (19) through an elastic mechanism, a cleaning brush (20) in contact with the upper surface of a spherical crown-shaped filter screen (4) is arranged on the semi-annular cleaning frame (19), an air cavity (21) is arranged in the semi-annular cleaning frame (19), a dust suction hole (22) is formed in the bottom of the semi-annular positioning frame (18) and in the part facing the upper surface of the filter screen (4), and a dust suction pipe (23) communicated with the air cavity (21) is arranged on the semi-annular cleaning frame (19);
a negative pressure dust collection mechanism (27) is arranged outside the shell (1), the negative pressure dust collection mechanism (27) comprises a protection box (28) arranged on the outer side wall of the shell (1), a dust filter cylinder (29) and a suction fan (30) are arranged in the protection box (28), the air outlet end of the dust filter cylinder (29) is connected with the air inlet end of the suction fan (30) through a connecting pipe, and the air inlet end of the dust filter cylinder (29) is connected with the second cleaning mechanism (8) and a dust collection pipe (23) on the first cleaning mechanism (7) through an air exchange pipeline (31);
the air exchange pipeline (31) comprises an air inlet main pipe (32) at the air inlet end of the dust filter cylinder (29), the air inlet main pipe (32) is connected with a dust suction pipe (23) in the first cleaning mechanism (7) through a first air pipe (33), and the air inlet main pipe (32) is connected with the dust suction pipe (23) in the second cleaning mechanism (8) through a second air pipe (34); a first electromagnetic valve (35) is arranged on the first air pipe (33), a second electromagnetic valve (36) is arranged on the second air pipe (34), and the first electromagnetic valve (35) and the second electromagnetic valve (36) are opened alternately;
driving motor (17) are connected with integral key shaft (16) transmission through reciprocal swing mechanism (41), reciprocal swing mechanism (41) are including location bottom plate (42) and set up drive gear (43) on integral key shaft (16), be equipped with reciprocal lead screw (44) on location bottom plate (42), be equipped with on reciprocal lead screw (44) along reciprocal lead screw (44) reciprocating motion's sliding block (45), be fixed with on sliding block (45) with drive gear (43) meshing driven spur rack (46).
2. The self-cleaning mechanism for the air return inlet is characterized in that the elastic mechanism comprises a plurality of springs (24) arranged between a semi-annular cleaning frame (19) and a semi-annular positioning frame (18), a limiting rod (25) which is vertically upward is arranged on the semi-annular cleaning frame (19), and a limiting through hole (26) for the limiting rod (25) to pass through is arranged on the semi-annular positioning frame (18).
3. The self-cleaning mechanism for the return air inlet according to claim 1, characterized in that the second cleaning mechanism (8) and the first cleaning mechanism (7) are identical in structure.
4. The self-cleaning mechanism for the return air inlet of claim 1, wherein a disinfection mechanism (37) is arranged in each of the first cleaning mechanism (7) and the second cleaning mechanism (8), the disinfection mechanism (37) comprises a plurality of positioning frames (38) arranged outside the semi-annular cleaning frame (19), a disinfection spray head (39) is arranged on each positioning frame (38), a storage tank (40) for storing disinfection liquid is arranged in the protection box (28), and the storage tank (40) is connected with the disinfection spray head (39) through a delivery pump set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110675089.1A CN113384968B (en) | 2021-06-18 | 2021-06-18 | Self-cleaning mechanism for air return inlet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110675089.1A CN113384968B (en) | 2021-06-18 | 2021-06-18 | Self-cleaning mechanism for air return inlet |
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| Publication Number | Publication Date |
|---|---|
| CN113384968A CN113384968A (en) | 2021-09-14 |
| CN113384968B true CN113384968B (en) | 2023-04-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110675089.1A Active CN113384968B (en) | 2021-06-18 | 2021-06-18 | Self-cleaning mechanism for air return inlet |
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Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2890720Y (en) * | 2006-04-12 | 2007-04-18 | 广东美的电器股份有限公司 | Self-cleaning device for air conditioner filter mesh |
| CN107906625A (en) * | 2017-12-14 | 2018-04-13 | 成都千里之行科技有限公司 | A kind of environment-friendly type self-cleaning air purifier |
| CN210241951U (en) * | 2019-04-24 | 2020-04-03 | 深圳市华昱空调制造有限公司 | Air conditioner on-hook self-cleaning device |
| CN110454890B (en) * | 2019-08-30 | 2021-02-19 | 海安睿华纺织科技有限公司 | Self-cleaning device for return air inlet of household central air conditioner |
| CN212057600U (en) * | 2020-04-07 | 2020-12-01 | 诸暨三利机电设备有限公司 | Filterable dust type air-cooler |
| CN111420451B (en) * | 2020-04-20 | 2021-10-15 | 山东泰宝信息科技集团有限公司 | Printing ink production preparation dispersion multistage filtration system |
| CN112023495A (en) * | 2020-09-07 | 2020-12-04 | 高迅杰 | Sewage treatment plant convenient to use |
| CN213103439U (en) * | 2020-09-07 | 2021-05-04 | 肇庆华盈复合材料有限公司 | From clean dust collector of type paper production |
| CN112254327B (en) * | 2020-10-16 | 2021-12-03 | 盐城神海机械有限公司 | Energy-concerving and environment-protective device that is used for air conditioner arc filter screen to be clean |
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2021
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