CN110617595A - A domestic new trend system for unit room - Google Patents
A domestic new trend system for unit room Download PDFInfo
- Publication number
- CN110617595A CN110617595A CN201910944460.2A CN201910944460A CN110617595A CN 110617595 A CN110617595 A CN 110617595A CN 201910944460 A CN201910944460 A CN 201910944460A CN 110617595 A CN110617595 A CN 110617595A
- Authority
- CN
- China
- Prior art keywords
- fixed
- shell
- fresh air
- unit room
- new trend
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- 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
- B01D46/0002—Casings; Housings; Frame constructions
- B01D46/0005—Mounting of filtering elements within casings, housings or frames
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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
-
- 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
- B01D46/42—Auxiliary equipment or operation thereof
- B01D46/48—Removing dust other than cleaning filters, e.g. by using collecting trays
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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
- 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
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/28—Arrangement or mounting of filters
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F7/00—Ventilation
Abstract
The invention discloses a household fresh air system for a unit room, which comprises a fresh air inlet shell and a shutter, wherein the shutter is fixed at the inlet of the fresh air inlet shell, a filter element is installed in the fresh air inlet shell, and the bottom of the fresh air inlet shell is fixedly communicated with an impurity removal assembly for cleaning dust and impurities on the surface of the filter element.
Description
Technical Field
The invention relates to the technical field of fresh air equipment, in particular to a household fresh air system for a unit room.
Background
Fresh air refers to air outside a building or air that has not been circulated by an air conditioning and ventilation system before entering the building. Fresh air inlets of the air conditioning unit, the fresh air unit and the variable air volume air conditioning unit are directly connected with the outer space of the building, and fresh air is introduced.
Adopt the new trend can realize not windowing also can enjoy the fresh air of nature, avoid the appearance of air conditioner disease, supply oxygen, eliminate personnel's heat dissipation smell and the smell of indoor set, anchor clamps, effectual indoor humidity of regulation and the exhaust bacteria virus.
At present, a fresh air system adopts mechanical air supply, indoor air enters a return air system through an indoor return air grid and is discharged through a dirty air outlet, outdoor air enters through a fresh air inlet and then enters the return air system to be cooled or heated and is discharged to each room through the air inlet grid, the first step of conveying fresh air is to absorb fresh air from the outside, in order to avoid the entry of external impurity dust and the like through the fresh air inlet, a louver and a metal mesh enclosure (the louver is used for preventing rain and the metal mesh enclosure is used for preventing birds from entering) are usually added at the outer side of the fresh air inlet, a filter screen is added at the fresh air inlet and is used for filtering the incoming dust and impurities, the fresh air inlet is cleaned once in half a year, the metal mesh enclosure and the louver at the outer side are easily cleaned, but the filter screen at the inner part needs to be replaced or cleaned after the fresh air inlet is disassembled, the, the ventilation volume can be reduced, and the use effect is seriously influenced, therefore, a household fresh air system for a unit room is provided.
Disclosure of Invention
The invention aims to provide a household fresh air system for a unit room, which avoids the blockage of a filter screen in a fresh air inlet, and solves the problems in the prior art.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a domestic new trend system for unit room, includes new trend entry shell and shutter, the shutter is fixed in new trend entry shell entrance, install in the new trend entry shell and filter, and the fixed intercommunication in new trend entry shell bottom has and is used for cleaning the edulcoration subassembly of filtering a surperficial dust impurity, utilizes and filters and carry out the new trend and filter, and rethread edulcoration subassembly carries out the edulcoration to filtering a surface, avoids its jam, guarantees ventilation efficiency.
Preferably, the edulcoration subassembly is including the set casing, the fixed intercommunication of set casing is in new trend entry shell bottom, and opens on one side of the set casing and have the notch, place in the set casing and receive miscellaneous case, and receive miscellaneous case one end and be fixed with the handle to through handle and notch joint, the set casing bottom is fixed with cleans the piece, realizes filtering the getting rid of piece surface dust through the edulcoration subassembly, and can collect.
Preferably, clean the piece and include driving motor, lead screw and clean the board, the lead screw is equipped with two, and two lead screw both ends all rotate with set casing bottom and new trend entry shell top respectively through the bearing and be connected, driving motor installs and fixes in the set casing bottom, and the driving motor output is fixed with drive gear, drive gear is equipped with threely, and fixes respectively in the driving motor output and two lead screw outsides, and is three drive gear outside cover has the tooth belt, and three drive gear passes through the tooth belt transmission and connects, clean the board both ends respectively with two lead screw threaded connection, and clean the inboard brush that is fixed with of board, realize taking out filter screen surface adhesion dust through cleaning the piece.
Preferably, it includes the filter screen to filter the piece, new trend entry shell top and bottom advance to open there is the spread groove, and has all placed U-shaped track board in the spread groove, the filter screen is inserted between two U-shaped track boards, and the filter screen outside and brush contact, the equidistance distributes in the spread groove and is fixed with a plurality of elastic components, and a plurality of elastic component one end is fixed with the push pedal, the contact of push pedal and U-shaped track board realizes filtering the miscellaneous of removing of external new trend through filtering the piece.
Preferably, the elastic component includes telescopic link and spring, the telescopic link both ends are fixed with spread groove one side inner wall and push pedal respectively, the spring housing is in the telescopic link outside, and the spring both ends are fixed with spread groove one side inner wall and push pedal respectively, provide an elasticity through the elastic component, when supporting tight filter screen, can also make the filter screen reset.
Preferably, two U-shaped track board adjacent end outside both ends all are fixed with the connecting plate, connecting plate outside equidistance is fixed with a plurality of first circular archs, it all is fixed with a plurality of second circular archs to clean board one side both ends near the filter screen, through the removal of cleaning the board, drives the first circular arch of the circular protruding extrusion of second to provide the spring through the elastic component, thereby realize the shake of filter screen, make the impurity of jam shake get off.
Preferably, the handle both sides all are fixed with the sealing strip, and notch both sides inner wall all opens there is the seal groove, the sealing strip and seal groove joint are convenient for take out and receive miscellaneous case, and can seal the notch.
Preferably, the new trend entry shell one side is opened there is the export, and takes out the interior joint of export and have the closing plate, through taking out the closing plate, opens and takes out the export, just can take out the filter screen in the new trend entry shell, makes the change of filter screen simple convenient.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, the filtering piece is utilized to realize impurity removal and filtration of the fresh air entering the fresh air inlet, dust and impurities are removed, and the impurity removal assembly is used to sweep down the dust on the surface of the filtering piece and collect the dust into the impurity collecting box, so that the phenomenon that the ventilation efficiency of the fresh air inlet is influenced due to blockage caused by a large amount of dust attached to the surface of the filtering piece is avoided.
Drawings
FIG. 1 is a schematic front sectional view of the present invention;
FIG. 2 is a side cross-sectional view of the internal structure of the present invention;
FIG. 3 is a schematic top cross-sectional view of the present invention;
FIG. 4 is a schematic view showing the positional relationship between the brush and the filter net according to the present invention;
FIG. 5 is an enlarged view taken at A in FIG. 2;
fig. 6 is an enlarged view of fig. 3 at C.
In the figure: 1-fresh air inlet shell; 2-a shutter; 3-a filter element; 4-impurity removal component; 5-fixing the shell; 6-notch; 7-collecting sundries; 8-a handle; 9-a cleaning member; 10-a drive motor; 11-a screw rod; 12-a sweeping board; 13-a transmission gear; 14-a toothed belt; 15-a brush; 16-U-shaped track plates; 17-a filter screen; 18-a connecting trough; 19-a spring; 20-pushing the plate; 21-a telescopic rod; 22-a spring; 23-a connecting plate; 24-a first circular protrusion; 25-a second circular protrusion; 26-a sealing strip; 27-a seal groove; 28-a take-out port; 29-sealing plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-6, a household fresh air system for a unit room is shown, which comprises a fresh air inlet casing 1 and a louver 2, wherein the louver 2 is fixed at an inlet of the fresh air inlet casing 1, and the louver 2 mainly prevents rainwater from entering the fresh air inlet casing 1 in rainy days and prevents large particle impurities from entering the fresh air inlet casing 1;
install in the new trend entry shell 1 and filter piece 3, and the fixed intercommunication in new trend entry shell 1 bottom has the edulcoration subassembly 4 that is used for cleaning and filters 3 surperficial dust impurities of piece, filters the edulcoration to inspiratory new trend through filtering 3 realization, and rethread edulcoration subassembly 4 can effectually prevent to filter 3 surface adhesion a large amount of impurity of piece and cause the jam.
Edulcoration subassembly 4 is including set casing 5, set casing 5 fixed intercommunication is in fresh air entry shell 1 bottom, and set casing 5 one side is opened there is notch 6, placed in set casing 5 and received miscellaneous case 7, and receive miscellaneous case 7 one end and be fixed with handle 8 to through handle 8 and 6 joints of notch, collect the dust impurity that edulcoration subassembly 4 cleaned down through receiving miscellaneous case 7.
The bottom of the fixed shell 5 is fixed with a cleaning part 9, the cleaning part 9 comprises a driving motor 10, two lead screws 11 and a cleaning plate 12, the number of the lead screws 11 is two, two ends of each of the two lead screws 11 are respectively and rotatably connected with the bottom of the fixed shell 5 and the top of the fresh air inlet shell 1 through bearings, the driving motor 10 is fixedly installed at the bottom of the fixed shell 5, the output end of the driving motor 10 is fixedly provided with three transmission gears 13, the three transmission gears 13 are respectively and fixedly arranged at the output end of the driving motor 10 and the outer sides of the two lead screws 11, the outer sides of the three transmission gears 13 are sleeved with a toothed belt 14, the three transmission gears 13 are in transmission connection through the toothed belt 14, two ends of the cleaning plate 12 are respectively in threaded connection with the two lead screws 11, the inner side of the cleaning plate 12 is fixedly provided with a brush 15, the driving motor 10 is rotated, the brush 15 fixed to the inner side of the cleaning plate 12 cleans the filter member 3.
Filter piece 3 and include filter screen 17, new trend entry shell 1 top and bottom advance to open has spread groove 18, and has all placed U-shaped track board 16 in the spread groove 18, filter screen 17 assigns between two U-shaped track boards 16, and the filter screen 17 outside contacts with brush 15, and filter screen 17 joint is between two U-shaped track boards 16, makes taking out of filter screen 17 change simple more convenient.
Equidistance distributes in the spread groove 18 and is fixed with a plurality of elastic components 19, and 19 one ends of a plurality of elastic components are fixed with push pedal 20, push pedal 20 and the contact of U-shaped track board 16, elastic components 19 includes telescopic link 21 and spring 22, telescopic link 21 both ends are fixed with spread groove 18 one side inner wall and push pedal 20 respectively, spring 22 cover is in the telescopic link 21 outside, and the spring 22 both ends are fixed with spread groove 18 one side inner wall and push pedal 20 respectively, through spring 22's elastic deformation, promote push pedal 20 and outwards remove to make push pedal 20 can be inseparable with U-shaped track board 16 one side contact, realize tight the top to U-shaped track board 16.
Two the adjacent end outside both ends of U-shaped track board 16 all are fixed with connecting plate 23, connecting plate 23 outside equidistance is fixed with a plurality of circular archs 24, it all is fixed with a plurality of circular archs 25 to clean board 12 and be close to filter screen 17 one side both ends, in the in-process that cleans board 12 and remove, can make the circular archs 25 of second extrude first circular archs 24, thereby make connecting plate 23 inwards move, rethread spring 22 elastic deformation produces elasticity and promotes the outside 20 movements of push pedal, thereby make U-shaped track board 16 outwards move, so cyclic motion, thereby realize realizing the shake action to filter screen 17 between two U-shaped track boards 16, effectually shake out the impurity dust that blocks up in filter screen 17, improve and clean efficiency.
Both sides of the handle 8 are fixed with sealing strips 26, the inner walls of both sides of the notch 6 are provided with sealing grooves 27, the sealing strips 26 are connected with the sealing grooves 27 in a clamping manner, and when the impurity collecting box 7 is taken out, the handle 8 only needs to be pulled out forcibly, and meanwhile, a partition plate can be fixed in the fixed shell 5 and used for separating the impurity collecting box 7 from the driving motor 10 to avoid damaging the motor.
One side of the fresh air inlet shell 1 is provided with an outlet 28, a sealing plate 29 is clamped in the outlet 28, the outlet 28 is opened by taking out the sealing plate 29, and the filter screen 17 can be taken out by clamping the internal filter screen 17 by a tool.
In the scheme, fresh air from the outside is sucked by an air inducing device arranged in a fresh air inlet shell 1, is filtered by a filter screen 17 on a filter piece 3, then enters an air return system for cooling or heating, and is discharged to each room through an air inlet grille, after the air cleaning device is used for a period of time, impurities such as dust, catkin and the like are inevitably adhered to the filter screen 17, at the moment, a driving motor 10 rotates to drive a transmission gear 13 fixed at the output end of the driving motor to rotate, so that two screw rods 11 synchronously rotate to drive a cleaning board 12 to move, the impurities on the surface of the filter screen 17 are cleaned by a brush 15 fixed in the cleaning board 12, meanwhile, along with the movement of the cleaning board 12, second circular bulges 25 fixed at the inner sides of two ends of the cleaning board 12 are extruded with first circular bulges 24 on a connecting plate 23, the connecting plate 23 moves inwards, and then elastic force is generated by elastic deformation of a spring 22 to push an, thereby make U-shaped track board 16 outwards remove, so cyclic motion, thereby realize realizing the shake action to filter screen 17 between two U-shaped track boards 16, effectually shake out the impurity dust of jam in filter screen 17, improve and clean efficiency, clean the dust that shakes off and drop in receiving miscellaneous case 7, can through grasping handle 8, outwards take out receipts miscellaneous case 7 hard, realize empting of receiving miscellaneous incasement impurity, can also take out sealing plate 29 simultaneously and realize taking out opening of mouth 28, rethread instrument is to the centre gripping of internal filter screen 17, can take out filter screen 17, compare with current clearance mode, it is simpler to get rid of dust impurity.
In the scheme, the type Y80M1-2 is preferably selected as the driving motor 10, and the circuits and control related in the invention are all in the prior art, and redundant description is not repeated herein.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a domestic new trend system for unit room, includes new trend entry shell (1) and shutter (2), shutter (2) are fixed at new trend entry shell (1) entrance, its characterized in that: install in fresh air entry shell (1) and filter piece (3), and the fixed intercommunication in fresh air entry shell (1) bottom has impurity removal subassembly (4) that are used for cleaning and filter piece (3) surface dust impurity.
2. A domestic ventilation system for a unit room as claimed in claim 1, wherein: edulcoration subassembly (4) are including set casing (5), set casing (5) are fixed to be communicated in new trend entry shell (1) bottom, and set casing (5) one side is opened there is notch (6), placed in set casing (5) and received miscellaneous case (7), and received miscellaneous case (7) one end and be fixed with handle (8) to through handle (8) and notch (6) joint, set casing (5) bottom is fixed with and cleans piece (9).
3. A domestic ventilation system for a unit room according to claim 2, wherein: the cleaning piece (9) comprises a driving motor (10), two screw rods (11) and a cleaning plate (12), wherein the number of the screw rods (11) is two, two ends of the two screw rods (11) are respectively and rotatably connected with the bottom of the fixed shell (5) and the top of the fresh air inlet shell (1) through bearings, the driving motor (10) is installed and fixed at the bottom of the fixed shell (5), and the output end of the driving motor (10) is fixed with three transmission gears (13), the number of the transmission gears (13) is three, and are respectively fixed at the output end of the driving motor (10) and the outer sides of the two screw rods (11), the outer sides of the three transmission gears (13) are sleeved with a toothed belt (14), and the three transmission gears (13) are in transmission connection through a toothed belt (14), two ends of the cleaning plate (12) are respectively in threaded connection with the two screw rods (11), and a brush (15) is fixed on the inner side of the cleaning plate (12).
4. A domestic ventilation system for a unit room as claimed in claim 1, wherein: filter piece (3) including filter screen (17), new trend entry shell (1) top and bottom advance to open and have spread groove (18), and all placed U-shaped track board (16) in spread groove (18), filter screen (17) are inserted between two U-shaped track boards (16), and the filter screen (17) outside and brush (15) contact, equidistance distribution is fixed with a plurality of elastic component (19) in spread groove (18), and a plurality of elastic component (19) one end is fixed with push pedal (20), push pedal (20) and U-shaped track board (16) contact.
5. A domestic ventilation system for a unit room according to claim 4, wherein: elasticity piece (19) include telescopic link (21) and spring (22), telescopic link (21) both ends are fixed with spread groove (18) one side inner wall and push pedal (20) respectively, spring (22) cover is in telescopic link (21) outside, and spring (22) both ends are fixed with spread groove (18) one side inner wall and push pedal (20) respectively.
6. A domestic ventilation system for a unit room according to claim 4, wherein: two adjacent end outside both ends of U-shaped track board (16) all are fixed with connecting plate (23), connecting plate (23) outside equidistance is fixed with a plurality of first circular archs (24), it all is fixed with a plurality of second circular archs (25) to clean board (12) one side both ends near filter screen (17).
7. A domestic ventilation system for a unit room according to claim 2, wherein: handle (8) both sides all are fixed with sealing strip (26), and notch (6) both sides inner wall has all opened sealing groove (27), sealing strip (26) and sealing groove (27) joint.
8. A domestic ventilation system for a unit room as claimed in claim 1, wherein: one side of the fresh air inlet shell (1) is provided with a take-out port (28), and a sealing plate (29) is clamped in the take-out port (28).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910944460.2A CN110617595A (en) | 2019-09-30 | 2019-09-30 | A domestic new trend system for unit room |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910944460.2A CN110617595A (en) | 2019-09-30 | 2019-09-30 | A domestic new trend system for unit room |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110617595A true CN110617595A (en) | 2019-12-27 |
Family
ID=68925131
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910944460.2A Pending CN110617595A (en) | 2019-09-30 | 2019-09-30 | A domestic new trend system for unit room |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110617595A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111380107A (en) * | 2020-03-26 | 2020-07-07 | 黑龙江建筑职业技术学院 | Energy-saving dehumidification air energy refrigeration air conditioner |
| CN111701727A (en) * | 2020-06-24 | 2020-09-25 | 易门铜业有限公司 | Cleaning system and cleaning method for polar plates of polar lines of electric dust collector |
| CN112303795A (en) * | 2020-11-13 | 2021-02-02 | 华北电力大学（保定） | Indoor air quality automatic detection alarm and purification device |
| CN112797544A (en) * | 2021-01-13 | 2021-05-14 | 台州来智科技有限公司 | Air exchange structure of air conditioning equipment |
| CN113899044A (en) * | 2021-11-18 | 2022-01-07 | 赵光荣 | Low-noise ventilator for passive sound insulation window |
| CN113944958A (en) * | 2020-07-16 | 2022-01-18 | 海信（山东）空调有限公司 | Indoor air conditioner and using method thereof |
| CN114011184A (en) * | 2021-11-29 | 2022-02-08 | 国能达州发电有限公司 | Multi-warehouse environmental protection dust collection system |
| CN116772356A (en) * | 2023-08-22 | 2023-09-19 | 深圳市美兆环境股份有限公司 | Plasma disinfection and sterilization air purification device |
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| KR20100117224A (en) * | 2009-04-24 | 2010-11-03 | 한양대학교 산학협력단 | Automatic filter cleaning device for ceiling type air-conditioner |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111380107A (en) * | 2020-03-26 | 2020-07-07 | 黑龙江建筑职业技术学院 | Energy-saving dehumidification air energy refrigeration air conditioner |
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| CN111701727A (en) * | 2020-06-24 | 2020-09-25 | 易门铜业有限公司 | Cleaning system and cleaning method for polar plates of polar lines of electric dust collector |
| CN111701727B (en) * | 2020-06-24 | 2022-08-12 | 易门铜业有限公司 | Cleaning system and cleaning method for polar plates of polar lines of electric dust collector |
| CN113944958A (en) * | 2020-07-16 | 2022-01-18 | 海信（山东）空调有限公司 | Indoor air conditioner and using method thereof |
| CN113944958B (en) * | 2020-07-16 | 2023-06-16 | 海信空调有限公司 | Indoor air conditioner and application method thereof |
| CN112303795A (en) * | 2020-11-13 | 2021-02-02 | 华北电力大学（保定） | Indoor air quality automatic detection alarm and purification device |
| CN112797544A (en) * | 2021-01-13 | 2021-05-14 | 台州来智科技有限公司 | Air exchange structure of air conditioning equipment |
| CN113899044A (en) * | 2021-11-18 | 2022-01-07 | 赵光荣 | Low-noise ventilator for passive sound insulation window |
| CN113899044B (en) * | 2021-11-18 | 2023-01-10 | 山东蓝诺机械制造有限公司 | Low-noise ventilator for passive sound insulation window |
| CN114011184A (en) * | 2021-11-29 | 2022-02-08 | 国能达州发电有限公司 | Multi-warehouse environmental protection dust collection system |
| CN116772356A (en) * | 2023-08-22 | 2023-09-19 | 深圳市美兆环境股份有限公司 | Plasma disinfection and sterilization air purification device |
| CN116772356B (en) * | 2023-08-22 | 2023-11-14 | 深圳市美兆环境股份有限公司 | Plasma disinfection and sterilization air purification device |
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Application publication date: 20191227 |