CN111495045A - Air purification filter adopting active purification mode - Google Patents
Air purification filter adopting active purification mode Download PDFInfo
- Publication number
- CN111495045A CN111495045A CN202010311176.4A CN202010311176A CN111495045A CN 111495045 A CN111495045 A CN 111495045A CN 202010311176 A CN202010311176 A CN 202010311176A CN 111495045 A CN111495045 A CN 111495045A
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- Prior art keywords
- filter screen
- air
- filter
- brush
- dirt
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 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
- B01D46/66—Regeneration of the filtering material or filter elements inside the filter
-
- 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
-
- 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
- B01D46/66—Regeneration of the filtering material or filter elements inside the filter
- B01D46/68—Regeneration of the filtering material or filter elements inside the filter by means acting on the cake side involving movement with regard to the filter elements
- B01D46/681—Regeneration of the filtering material or filter elements inside the filter by means acting on the cake side involving movement with regard to the filter elements by scrapers, brushes or the like
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/004—Nozzle assemblies; Air knives; Air distributors; Blow boxes
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The invention discloses an active purification type air purification filter, which structurally comprises a machine frame, an air inlet and a purification box, wherein the machine frame is connected with the purification box through bolts, the air inlet is arranged at the upper end of the purification box, a filter screen, a cleaner, a connecting pipe, a net side mechanism, a material bearing frame and a bottom clamping mechanism are arranged in the purification box, the cleaner and the connecting pipe are arranged at the upper end of the filter screen, two net side mechanisms are arranged at two sides of the filter screen respectively, and the material bearing frame and the bottom clamping mechanism are arranged at the bottom of the filter screen.
Description
Technical Field
The invention relates to the field of air purification, in particular to an active purification type air purification filter.
Background
The air filter is a device for catching dust from gas-solid two-phase flow and purifying gas by the action of porous filtering material, and sending the air with low dust content into room after purifying treatment, so as to ensure the technological requirement of clean room and the air cleanliness in the room of general air conditioner, the air purifier is at least provided with three layers of filtering nets, normally, the pre-filtering net is a preposed filtering net, and mainly filters dust, the filtering net only needs to be cleaned if dirt appears in the normal use process, the prior art is convenient to clean, the cleaning system is arranged in the purifier, and dirty water after cleaning is discharged through a pipeline, so that the dust on the filtering net can be prevented from flying up due to the disassembly of other parts of the purifier during cleaning, but the filtering net mainly filters dust, dust particles are small, and the filter screen can easily run into narrow gaps, and a cleaning system of the filter screen can only clean a large area of dirt, so that some narrow gaps or edge parts are easily omitted.
Disclosure of Invention
The invention aims to provide an active purification type air purification filter, which is used for solving the technical problems that in the prior art, in order to facilitate cleaning, the cleaning is mostly carried out in the purifier, a cleaning system is arranged on a filter screen, and dirty water is discharged through a pipeline after cleaning, so that the filter screen is not required to be disassembled during cleaning, dust on the filter screen can be prevented from flying up due to the disassembly of other parts of the purifier, but the filter screen mainly filters dust, has small dust particles and is easy to run into narrow gaps, and the cleaning system of the filter screen can only clean large areas of dirt, and easily omits the narrow gaps or edge parts.
In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides an air purification filter who adopts initiative purification formula, its structure includes frame, air intake, purifying box, the frame adopts bolted connection with the purifying box, the upper end at the purifying box is established to the air intake, the inside of purifying box is equipped with filter screen, purger, takeover, net limit mechanism, holds the thing frame, end clamp mechanism, the purger is established in the upper end of filter screen with the takeover, net limit mechanism is equipped with two, installs respectively in the both sides of filter screen, hold the thing frame, end clamp mechanism sets up the bottom at the filter screen, net limit mechanism one end in opposite directions is the open type, and the upper and lower face and the back of net limit mechanism all use mechanical seal, net limit mechanism presss from both sides the mechanism cooperation with the end.
Preferably, the net edge mechanism comprises an upper interface, an extrusion block, a sewage suction groove, an air cylinder, a clamping angle, a sewage outlet, a stretching shaft and a limiting body, wherein the extrusion block is arranged in the sewage suction groove, the extrusion block is connected with the upper interface through the stretching shaft, the stretching shaft is communicated with the air cylinder through the upper interface, the extrusion block is limited by the limiting body during moving and rising, the sewage outlet is formed in the bottom of the sewage suction groove, and the clamping angle fixes the filter net.
Preferably, the air diffused by the opening of the dirt suction groove is in a fan shape corresponding to the surface and the edge of the filter screen.
Preferably, the bottom clamp mechanism comprises a clamping edge, two brush sheet joints, a connecting frame, two brush sheets and two brush sheets, the clamping edge is fixedly clamped with the filter screen, the brush sheets are movably connected with the connecting frame through the brush sheet joints, the drying cavity is arranged between the two brush sheets, and the drying cavity is matched with the filter screen.
Preferably, the drying cavity is composed of a one-way valve, an air storage cavity, two or more air outlets and sound absorbing pieces, the one-way valve is arranged in the air storage cavity, the air storage cavity is in contact fit with the brush piece, the air storage cavity is made of rubber, the two or more air outlets are uniformly distributed in a horizontal straight line and communicated with the air storage cavity, the sound absorbing pieces are arranged between the air outlets, and the sound absorbing pieces effectively reduce noise pollution generated by input and output of air.
Preferably, the two sides of the rack are provided with negative pressure cavities which are respectively communicated with the dirt outlet and the clamping edge.
Preferably, the drain port is connected to the negative pressure chamber.
Preferably, the negative pressure chamber can realize internal negative pressure through an externally connected air suction pump.
Preferably, the surface of the brush piece contacting with the filter screen is serrated.
Preferably, the filter screen cleaning system is composed of the material bearing frame, the negative pressure cavity cleaner and the connecting pipe.
Preferably, two driving wheels movably matched with the connecting frame are arranged in the brush piece joint to drive the brush piece to horizontally reciprocate along the filter screen.
Preferably, the width of the brush piece is larger than that of the brush piece, and the brush piece can completely cover the position of the most edge of the two sides of the filter screen when moving to the filter screen.
Compared with the prior art, the invention has the following beneficial effects:
1. the sewage suction groove is matched with the negative pressure cavity, the sewage suction groove directly acts on the filter screen, under the action of negative pressure, residual impurities in a narrow gap clamped and fixed at the edge of the filter screen are sucked out and finally are retained in the sewage suction groove, and the cleaning efficiency of the filter screen is improved.
2. The extrusion block, the telescopic shaft and the limiting body which are arranged in the sewage suction groove are matched with each other, the extrusion block is tightly matched with the sewage suction groove, so that sundries retained in the sewage suction groove are extruded out from the sewage outlet, the discharging efficiency is further improved by matching with the negative pressure cavity, and the limiting body maintains the effective range of the up-and-down movement of the extrusion block, so that the rigid collision with the upper connector is avoided.
3. According to the invention, the bottom clamping mechanism and the object bearing frame are arranged at the bottom of the filter screen, as the cleaner cleans from top to bottom, a part of sundries can be accumulated on the object bearing frame under the action of gravity of the earth center, the object bearing frame is positioned at the bottom of the filter screen, the dirt suction groove has weak function, the sundries accumulated on the object bearing frame are separated by the brush piece, the cleanness of the object bearing frame is ensured by matching with the negative pressure cavity, and the cleaner can properly clean the edge and corner positions of narrow gaps.
4. The drying chamber is arranged between the two brush pieces, the air storage chamber continuously sucks and sucks air in the movement of the two brush pieces, the sucked air acts on the filter screen pieces, and the filter screen is dried from the bottom right to the top.
Drawings
Fig. 1 is a schematic structural diagram of an air cleaning filter of the present invention using active cleaning.
Fig. 2 is a schematic view of the temple structure of the purification box of the present invention.
Fig. 3 is a schematic structural view of the net edge mechanism of the present invention.
Fig. 4 is a schematic view of the dynamic structure of the net edge mechanism of the present invention.
FIG. 5 is a schematic structural view of the bottom clamp mechanism of the present invention.
FIG. 6 is a schematic view of the dynamic structure of the bottom clamp mechanism of the present invention.
FIG. 7 is a schematic view of the structure of the brush piece and the filter net of the present invention.
Fig. 8 is a schematic view of the internal structure of the drying chamber according to the present invention.
In the figure: the cleaning machine comprises a machine frame 1, an air inlet 2, a purification box 3, a filter screen 31, a cleaner 32, a connecting pipe 33, a net side mechanism 34, a material bearing frame 35, a bottom clamping mechanism 36, an upper connector 341, a squeezing block 342, a dirt suction groove 343, an air cylinder 344, a clamping angle 345, a dirt outlet 346, a stretching shaft 347, a limiting body 348, a clamping edge 361, a brush piece connector 362, a connecting frame 363, a drying cavity 364, a brush piece 365, a one-way valve 64a, an air storage cavity 64b, an air outlet 64c, a sound absorption piece 64d and a negative pressure cavity 351.
Detailed Description
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on or indirectly connected to the other element, and when an element is referred to as being "connected to" the other element, it can be directly connected to or indirectly connected to the other element.
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
Example 1
As shown in fig. 1-4, the present invention provides an active purification type air purification filter, which structurally comprises a machine frame 1, an air inlet 2 and a purification box 3, wherein the machine frame 1 and the purification box 3 are connected by bolts, the air inlet 2 is arranged at the upper end of the purification box 3, a filter screen 31, a cleaner 32, a connecting pipe 33, a net edge mechanism 34, a rack 35 and a bottom clamp mechanism 36 are arranged inside the purification box 3, the cleaner 32 and the connecting pipe 33 are arranged at the upper end of the filter screen 31, two net edge mechanisms 34 are arranged at two sides of the filter screen 31, the rack 35 and the bottom clamp mechanism 36 are arranged at the bottom of the filter screen 31, the opposite end of the net edge mechanism 34 is open, the upper surface and the lower surface of the net edge mechanism 34 and the rear surface of the net edge mechanism 34 are mechanically sealed, the net edge mechanism 34 is matched with the bottom clamp mechanism 36, and the net edge mechanism 34 comprises an upper interface 341, a lower interface, The device comprises a squeezing block 342, a dirt suction groove 343, an air cylinder 344, a clamping angle 345, a dirt outlet 346, a stretching shaft 347 and a limiting body 348, wherein the squeezing block 342 is arranged in the dirt suction groove 343, the squeezing block 342 is connected with an upper interface 341 through the stretching shaft 347, the stretching shaft 347 is communicated with the air cylinder 344 through the upper interface 341, the squeezing block 342 is limited by the limiting body 348 when moving upwards, the dirt outlet 346 is formed in the bottom of the dirt suction groove 343, the clamping angle 345 fixes the filter screen 31, air diffused by an opening of the dirt suction groove 343 is in a fan shape and corresponds to the surface and the edge of the filter screen 31, the dirt outlet 346 is connected with a negative pressure cavity 351, the dirt suction groove directly acts on the filter screen, and under the action of negative pressure, residual impurities in narrow gaps clamped and fixed by the edges of the filter screen are sucked out and finally retained in the dirt suction groove, so that the cleaning efficiency of the filter screen is improved; the extrusion piece closely cooperates with the dirt suction groove, makes the debris that are detained in the dirt suction groove extrude from a dirt outlet, cooperates the negative pressure chamber, further improves discharge efficiency, and the effective range that the extrusion piece reciprocated is then maintained to the spacing body, avoids taking place the rigidity collision with last interface.
Example 2
As shown in fig. 5-8, based on the embodiment 1, the bottom clamp mechanism 36 includes a clamping edge 361, two brush pieces 362, a connecting frame 363, a drying cavity 364, and two brush pieces 365, the clamping edge 361 is clamped and fixed with the filter screen 31, the brush pieces 365 are movably connected with the connecting frame 363 through the brush piece joints 362, the drying cavity 364 is installed between the two brush pieces 365, the drying cavity 364 is matched with the filter screen 31, the drying cavity 364 is composed of a one-way valve 64a, an air storage cavity 64b, an air outlet 64c, and a sound absorption piece 64d, the air storage cavity 64b is provided with a one-way valve 64a, the air storage cavity 64b is matched with the brush pieces 365 in a contact manner, the air storage cavity 64b is made of rubber, the air outlet 64c is provided with two or more than two air outlets, and is uniformly distributed in a horizontal straight line and communicated with the air storage cavity 64b, the sound absorption sheet 64d is installed between the exhaust ports 64c, the sound absorption sheet 64d effectively reduces noise pollution generated by gas input and output, the negative pressure cavities 351 are arranged on two sides of the object bearing frame 35, the negative pressure cavities 351 are respectively communicated with the dirt outlet 346 and the clamping edge 361, the negative pressure cavities 351 can realize internal negative pressure through an air suction pump connected with the outside, one surface of the brush sheet 365 contacted with the filter screen 31 is in a sawtooth shape, the object bearing frame 35, the negative pressure cavity 351 cleaner 32 and the connecting pipe 33 form a cleaning system of the filter screen 31, two driving wheels movably matched with the connecting frame 363 are arranged in the brush sheet joint 362 to drive the brush sheet 365 to horizontally reciprocate along the filter screen 31, the width of the brush sheet 365 is larger than that of the brush sheet joint 362, the brush sheet 365 can be completely covered when moving to the position of the extreme edges of the filter screen 31, because the cleaner is cleaned from top to bottom, under the action of gravity, part of sundries can be accumulated on the object bearing frame, the object bearing frame is positioned at the bottom of the filter screen, the dirt suction groove has weak effect, the sundries accumulated on the object bearing frame are separated by the brush piece and matched with the negative pressure cavity, the cleanness of the object bearing frame is ensured, and the sundries can be properly cleaned aiming at the corners of the edges of narrow gaps; the air storage cavity continuously sucks and sucks air in the movement of the two brush pieces, the sucked air acts on the filter screen pieces, and the filter screen is dried from the bottom right to the top.
The following is a detailed description of the implementation of the air purifying filter of the active purifying type according to the present invention:
after the filter screen 31 is used for a certain time, a large amount of particle dust is accumulated on the filter screen, the particle dust is light in weight, in the process of disassembly and cleaning, impurities attached to the filter screen are easy to diffuse into the atmosphere and even enter the respiratory trachea of a dissembling person, and the human health is harmed, therefore, in the prior art, in order to avoid the problem, the filter screen 31 is directly cleaned in the purifying box 3, a cleaning system used by the filter screen 31 only can clean a large polluted area, and the cleaning in corners and even narrow gaps is not in place, the invention uses the mesh side mechanism 34 to be matched with the bottom clamping mechanism 36, the filter screen 31 stops working, the negative pressure cavity 351 is opened, the dirt outlet 346 and the clamping edge 361 connected with the negative pressure cavity 351 suck the impurities remained in the filter screen fixing position by the dirt suction groove 343 under the action of negative pressure adsorption, impurity is discharged to the negative pressure chamber 351 from dirt absorbing groove 343 and is drawn forth to the external world at last, simultaneously, brush piece joint 362 drives brush piece 365 along link 363 reciprocating motion, will remain the impurity separation on bearing frame 35, because of bearing frame 35 and dirt absorbing groove 343 corner difference, that is dirt absorbing groove 343 is used in the pressure on bearing frame 35 relatively weak, in order to guarantee the clearance dynamics, through brush piece 365 and the negative pressure chamber 351 of pressing from both sides limit 361 complex, effectively wash to the corner of filter screen, some difficult positions that clear up of gap, and current cleaning system is the water washing, under the combined action of brush piece 365 complex air storage chamber 64b, the air of air storage chamber 64b is from check valve 64a input and output, dry filter screen 31 and corner screens, prevent the corrosion that wets.
The brush 365 is arranged on the object bearing frame 35 with the center of gravity downward, so that two sides of the clamping edge 361 must be connected with the negative pressure cavity 351, and when the brush 365 separates impurities, the negative pressure timely absorbs the separated objects, thereby avoiding secondary pollution.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (7)
1. The utility model provides an adopt air purification filter of initiative purification formula which characterized in that: the structure of the air purifier comprises a machine frame (1), an air inlet (2) and a purifying box (3), the machine frame (1) is connected with the purifying box (3) by bolts, the air inlet (2) is arranged at the upper end of the purifying box (3), a filter screen (31), a cleaner (32), a connecting pipe (33), a net edge mechanism (34), a material bearing frame (35) and a bottom clamping mechanism (36) are arranged in the purifying box (3), the cleaner (32) and the connecting pipe (33) are arranged at the upper end of the filter screen (31), two net edge mechanisms (34) are arranged and are respectively arranged at the two sides of the filter screen (31), the object bearing rack (35) and the bottom clamping mechanism (36) are arranged at the bottom of the filter screen (31), the opposite ends of the net edge mechanisms (34) are open, the upper surface, the lower surface and the rear surface of each net edge mechanism (34) are mechanically sealed, and the net edge mechanisms (34) are matched with the bottom clamping mechanism (36).
2. An air cleaning filter of the active cleaning type according to claim 1, wherein: the net edge mechanism (34) comprises an upper interface (341), an extrusion block (342), a dirt suction groove (343), a cylinder (344), a clamping angle (345), a dirt outlet (346), a stretching shaft (347) and a limiting body (348), the extrusion block (342) is arranged inside the dirt suction groove (343), the extrusion block (342) is connected with the upper interface (341) through the stretching shaft (347), the stretching shaft (347) is communicated with the cylinder (344) through the upper interface (341), the extrusion block (342) is limited by the limiting body (348) during moving and rising, the dirt outlet (346) is formed in the bottom of the dirt suction groove (343), and the filtering net (31) is fixed by the clamping angle (345).
3. An air cleaning filter of active cleaning type according to claim 2, wherein: the gas diffused by the opening of the dirt suction groove (343) is in a fan shape and corresponds to the surface and the edge of the filter screen (31).
4. An air cleaning filter of the active cleaning type according to claim 1, wherein: end clamp mechanism (36) are including pressing from both sides limit (361), brush piece joint (362), link (363), drying chamber (364), brush piece (365), it is fixed with filter screen (31) centre gripping to press from both sides limit (361), brush piece (365) are through brush piece joint (362) and link (363) swing joint, brush piece (365) are equipped with two, install drying chamber (364) between two brush pieces (365), drying chamber (364) and filter screen (31) cooperation.
5. An air cleaning filter of active cleaning type according to claim 4, wherein: the drying cavity (364) is composed of a one-way valve (64a), an air storage cavity (64b), an exhaust port (64c) and a sound absorption sheet (64d), the one-way valve (64a) is arranged in the air storage cavity (64b), the air storage cavity (64b) is in contact fit with the brush sheet (365), the air storage cavity (64b) is made of rubber, more than two air storage ports (64c) are arranged and are uniformly distributed in a horizontal straight line and communicated with the air storage cavity (64b), and the sound absorption sheet (64d) is arranged between the exhaust ports (64 c).
6. An air cleaning filter of the active cleaning type according to claim 1, wherein: negative pressure cavities (351) are arranged on two sides of the object bearing frame (35), and the negative pressure cavities (351) are respectively communicated with the dirt outlet (346) and the clamping edge (361).
7. An air cleaning filter of active cleaning type according to claim 2 or 6, wherein: the dirt outlet (346) is connected to a negative pressure chamber (351).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010311176.4A CN111495045A (en) | 2020-04-20 | 2020-04-20 | Air purification filter adopting active purification mode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010311176.4A CN111495045A (en) | 2020-04-20 | 2020-04-20 | Air purification filter adopting active purification mode |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111495045A true CN111495045A (en) | 2020-08-07 |
Family
ID=71849231
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010311176.4A Withdrawn CN111495045A (en) | 2020-04-20 | 2020-04-20 | Air purification filter adopting active purification mode |
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| CN (1) | CN111495045A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2901140Y (en) * | 2006-04-30 | 2007-05-16 | 广东美的电器股份有限公司 | Self cleaning device for air conditioner filter net |
| CN104383759A (en) * | 2014-11-04 | 2015-03-04 | 厦门睿晨环境科技有限公司 | Air cleaner |
| CN207169259U (en) * | 2017-08-28 | 2018-04-03 | 天钥光电（湖北）股份有限公司 | Flat automatically cleaning filtering module |
| CN207187355U (en) * | 2017-07-25 | 2018-04-06 | 北京大唐宏源科技有限公司 | Filter screen self-cleaning device |
| CN208588032U (en) * | 2018-06-26 | 2019-03-08 | 安徽应力环保科技有限公司 | A kind of annular self-cleaning mechanism for fresh air system double-layer leaching net |
| KR20190037963A (en) * | 2017-09-29 | 2019-04-08 | 코웨이 주식회사 | Air cleaner |
| CN109621564A (en) * | 2018-11-27 | 2019-04-16 | 佛山市科蓝环保科技股份有限公司 | A kind of filter screen automatic cleaning apparatus |
| CN210292270U (en) * | 2019-03-29 | 2020-04-10 | 江苏翼兰博特新能源科技有限公司 | Automatic mechanism of clearing up of kitchen guarding's air conditioner dust cover |
-
2020
- 2020-04-20 CN CN202010311176.4A patent/CN111495045A/en not_active Withdrawn
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2901140Y (en) * | 2006-04-30 | 2007-05-16 | 广东美的电器股份有限公司 | Self cleaning device for air conditioner filter net |
| CN104383759A (en) * | 2014-11-04 | 2015-03-04 | 厦门睿晨环境科技有限公司 | Air cleaner |
| CN207187355U (en) * | 2017-07-25 | 2018-04-06 | 北京大唐宏源科技有限公司 | Filter screen self-cleaning device |
| CN207169259U (en) * | 2017-08-28 | 2018-04-03 | 天钥光电（湖北）股份有限公司 | Flat automatically cleaning filtering module |
| KR20190037963A (en) * | 2017-09-29 | 2019-04-08 | 코웨이 주식회사 | Air cleaner |
| CN208588032U (en) * | 2018-06-26 | 2019-03-08 | 安徽应力环保科技有限公司 | A kind of annular self-cleaning mechanism for fresh air system double-layer leaching net |
| CN109621564A (en) * | 2018-11-27 | 2019-04-16 | 佛山市科蓝环保科技股份有限公司 | A kind of filter screen automatic cleaning apparatus |
| CN210292270U (en) * | 2019-03-29 | 2020-04-10 | 江苏翼兰博特新能源科技有限公司 | Automatic mechanism of clearing up of kitchen guarding's air conditioner dust cover |
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| Title |
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| 韩鹏、刘晓芬主编: "《酒店服务实训教程 中级》", 30 June 2018 * |
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Application publication date: 20200807 |