CN202427282U - Air-filtering device - Google Patents
Air-filtering device Download PDFInfo
- Publication number
- CN202427282U CN202427282U CN2012200344689U CN201220034468U CN202427282U CN 202427282 U CN202427282 U CN 202427282U CN 2012200344689 U CN2012200344689 U CN 2012200344689U CN 201220034468 U CN201220034468 U CN 201220034468U CN 202427282 U CN202427282 U CN 202427282U
- Authority
- CN
- China
- Prior art keywords
- air purification
- plate
- filter screen
- purification equipment
- ventilating opening
- 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.)
- Expired - Fee Related
Links
Images
Abstract
An air-filtering device is arranged on a frame which is provided with a circular rim defining an air vent. The air-filtering device comprises at least one filter screen unit and a connecting unit. Each filter screen unit comprises a screen frame and a screen body arranged in the screen frame for air flowing through. The filter screen units are erected below the frame rim of the frame by the connecting unit comprising two clamping mechanisms and two side vertical plates. The clamping mechanisms are respectively erected on the frame rim at an interval bilaterally, and the side vertical plates are arranged below the air vent and extend downwards along the clamping mechanisms. The screen frame is arranged between the side vertical plates. By the connecting unit, the filter screen units are enabled to be exposed below the frame to bring convenience for personnel to detect and slide to disassemble and use.
Description
Technical field
The utility model relates to a kind of air purification equipment, particularly relates to a kind ofly being installed on the room conditioning system and being used to filter the air purification equipment of net air.
Background technology
Like Fig. 1 and shown in Figure 2; Central air conditioner system is installed in the various interior spaces at large, for example: office or residential building, central air-conditioning machine room, or even dustless work-room, rapid transit system (RTS) etc.; Generally be to set up a light steelframe 1 at interval in floor (figure does not show) below; This light steelframe 1 has several rectangle edges 11, and said rectangle edge 11 is installed 111, air-supplies 112 around defining several respectively, and the ventilation 113 away from this air-supply 112.
This central air conditioner system also comprises several pieces ceilings that is installed in said installation 111 respectively 21, an air-supply arrangement 22 that is installed in this air-supply 112 and is used to carry air, and a filter net device 23 that is installed in this ventilation 113.This filter net device 23 is slightly larger than this ventilating opening 113, rides against on the rectangle edge 11 that defines this ventilation 113.Air-supply arrangement 22 is imported the interior space downwards with air during use, and the air in the interior space is upwards discharged through filter net device 23 again, makes air-conditioning reach optimum efficiency.
Because this filter net device 23 is to constitute by being equipped with the tiny filter screen in filter pulp and aperture, is used to make suspended particles, dust, object that the tick equal-volume is bigger to pass through, and reaches the effect of peace and quiet air.So use after a period of time, this filter net device 23 will adhere to many dust and dirty, cleaning in good time or replacing to keep filter net device 23 cleanings, promote the usefulness of filter net air.But height along with suspended particles concentration in the environment for use; The time that need clean or change this filter net device 23 will be different; Yet because this filter net device 23 is to be embedded in the light steelframe 1, the user of service can't watch the state of this filter net device 23 at any time, is difficult to judge whether need cleaning or replacing; And the cleaning that the user of service tends to ignore the filter net device 23 that is positioned at overhead whether; This filter net device 23 will be hoarded dirtyly under accumulating over a long period, and not only loses filter efficacy, and its more to have the victimization body healthy.In addition, when changing this filter net device 23, must upwards pass this filter net device 23, and make its inclination and be suitable angle mutually, could this filter net device 23 be separated this ventilations 113 with this ventilations 113, therefore all quite inconvenient on dismantling and assembling.
Summary of the invention
The purpose of the utility model is to provide a kind of user of service of helping to inspect also the air purification equipment that slippage is easily changed.
The utility model air purification equipment; Be to be used to be installed in a framework; This framework has one around the edge that defines a ventilating opening; And this air purification equipment comprises at least one filter screen unit, and this filter screen unit comprises a screen frame, and one is installed in this screen frame and the dictyosome that supplies air to pass through.This air purification equipment also comprises a linking unit that this filter screen unit is erected at the edge below of this framework; This linking unit comprise two between left and right at a distance from and be set up in the mechanism that fastens of this edge respectively; Reach two respectively by the said past vertical plate of side that extends below and be positioned at this ventilating opening below of mechanism that fastens, this screen frame is arranged between the vertical plate of side of this linking unit.
The said air purification equipment of the utility model; This linking unit comprises that is arranged on the said side end trailer structure between the bottom side of plate that hangs down; The vertical plate of said side defines the accommodation space that both sides, front and back are communicated with jointly with this end trailer structure, and this air purification equipment comprises an interior filter screen unit of accommodation space that is embedded in this linking unit removably.
The said air purification equipment of the utility model, this end trailer structure have two between left and right at a distance from and yearn for the end rail plate of central horizontal expansion mutually by the hang down root edge of plate of said side respectively, the screen frame of this filter screen unit is to be placed on slippingly on the rail plate of the said end.
The said air purification equipment of the utility model; This linking unit comprises that is arranged on the said side end trailer structure between the bottom side of plate that hangs down; And at least one is positioned at the branch trailer structure of this trailer structure top, end at interval; The said side accommodation space that plate is communicated with both sides before and after this end trailer structure defines jointly that hangs down, this minute the trailer structure this accommodation space is distinguished into several holding parts, this air purification equipment comprises the interior filter screen unit of several holding parts that are embedded in this accommodation space respectively removably.
The said air purification equipment of the utility model; This end trailer structure have two between left and right at a distance from and yearn for the end rail plate of central horizontal expansion mutually by the hang down root edge of plate of said side respectively; This minute the trailer structure have two between left and right at a distance from and yearn for the branch rail plate of central horizontal expansion mutually by the said side plate that hangs down respectively; The rail plate was parallel to rail plate of the said end in said minute, and the screen frame of said filter screen unit is to be placed on slippingly respectively on rail plate of the said end and the said minute rail plate.
The said air purification equipment of the utility model, each fastens mechanism and all has built attachment strap on the edge of this framework, and the said side plate that hangs down is down bent by a said side that goes up contiguous this ventilating opening of attachment strap respectively and stretches out this ventilating opening.
The said air purification equipment of the utility model, each fasten mechanism all have a built this edge away from a side of this ventilating opening on attachment strap, the said side plate that hangs down down bends extension by the said attachment strap of going up away from a side of this ventilating opening respectively.
The said air purification equipment of the utility model; Each fasten mechanism all have a built this edge away from a side of this ventilating opening on attachment strap; The vertical plate of said side is down bent by the side of said upward attachment strap away from this ventilating opening respectively, and the root edge of the vertical plate of said side is fixedly connected on the screen frame of this filter screen unit respectively.
The said air purification equipment of the utility model; Each fasten mechanism all have a built this edge away from a side of this ventilating opening on attachment strap; The vertical plate of said side is down bent by the side of said upward attachment strap away from this ventilating opening respectively; This filter screen unit also comprises two magnetic mechanisms that are installed in the left and right sides of this screen frame respectively, and each magnetic mechanism has at least one can adsorb the magnet that is positioned the vertical plate of said side with separating.
The said air purification equipment of the utility model; This linking unit also comprises a block mechanism that is positioned at the vertical plate rear side of said side and is used for spacing this filter screen unit; This block mechanism has two separated between left and right and straight in opposite directions stop catch plates to extension, and said stop catch plate blocks the screen frame rear side at this filter screen unit.
The beneficial effect of the utility model is: above-mentioned linking unit sets up and is positioned this framework; And down stretch out this ventilating opening and install for filter screen unit; So can make filter screen unit can expose outside framework and be beneficial to the user of service and inspect, and slippage changes and assemble use easily.
Description of drawings
Fig. 1 is an a kind of sectional perspective exploded view of existing central air conditioner system;
Fig. 2 is the part cross-sectional schematic of Fig. 1;
Fig. 3 is a three-dimensional exploded view of one first preferred embodiment of the utility model air purification equipment;
Fig. 4 is a cross-sectional schematic of this first preferred embodiment;
Fig. 5 is a cross-sectional schematic of one second preferred embodiment of the utility model air purification equipment;
Fig. 6 is a cross-sectional schematic of one the 3rd preferred embodiment of the utility model air purification equipment;
Fig. 7 is a cross-sectional schematic of one the 4th preferred embodiment of the utility model air purification equipment;
Fig. 8 is a cross-sectional schematic of one the 5th preferred embodiment of the utility model air purification equipment;
Fig. 9 is a cross-sectional schematic of one the 6th preferred embodiment of the utility model air purification equipment;
Figure 10 is a cross-sectional schematic of one the 7th preferred embodiment of the utility model air purification equipment.
The specific embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is elaborated:
Explanation for ease, following embodiment, similarly assembly is represented with identical label.
Consult Fig. 3 and Fig. 4; First preferred embodiment of the utility model air purification equipment; Be to be used to be installed in a framework 3; This framework 3 is to be that example is explained with a light steelframe that is set up in floor in the present embodiment, and this framework 3 has one around the edge 31 that defines a ventilating opening 311, and the quantity of edge 31 is not exceeded with present embodiment on the implementation certainly.And this air purification equipment comprises: one is connected unit 4, and a filter screen unit 5.
This linking unit 4 is erected on the edge 31 of this framework 3 and down stretches out this ventilating opening 311; And comprise two between left and right at a distance from and the fasten mechanism 41, two that are erected at respectively on the edge 31 of this framework 3 fasten side that mechanism 41 down extends to these ventilating opening 311 belows plate 42 that hangs down by said respectively, and one is arranged at the hang down end trailer structure 43 of plate 42 bottom sides of said side.Hang down plate 42 and this end trailer structure 43 of said side defines one jointly and is positioned at the accommodation space 44 that these ventilating opening 311 belows and both sides, front and back are communicated with.
Each of present embodiment fastens mechanism 41 and all has built attachment strap 411 on the edge 31 of this framework 3.Certainly the structure that fastens mechanism 41 also can change, and is positioned this edge 31 as long as can be connected, and no longer explains at this.The said side plate 42 that hangs down is down bent by a said side that goes up attachment strap 411 contiguous these ventilating openings 311 respectively and stretches out this ventilating opening 311.The end trailer structure 43 of present embodiment have two between left and right at a distance from and yearn for the end rail plate 431 of central horizontal expansion mutually by the hang down root edge of plate 42 of said side respectively; Each end rail plate 431 can be long to the long slab sheet that extends for front and back; Also can form by short lug (figure does not show) institute at interval before and after several; Certainly on being provided with; This end trailer structure 43 can also have two company's rail plates (figure does not show) that connect the both sides, front and back of rail plate of the said end 431 respectively, but it is not the utility model emphasis, so no longer explain at this.And this linking unit 4 also comprises a block mechanism 45 that is positioned at vertical plate 42 rear sides of said side; The block mechanism 45 of present embodiment has two separated between left and right and straight in opposite directions stop catch plates 451 to extension; Certainly on being provided with; Said stop catch plate 451 can also the adjacent connections of consubstantiality, and its length and highly also be not subject to present embodiment, no longer explain at this.
The hang down screen frame 51 of 42 of plates of the side that this filter screen unit 5 comprises a hollow, rectangular and is arranged on this linking unit 4 removably, and a correspondence is installed in this screen frame 51 and the dictyosome 52 that supplies air to pass through.This screen frame 51 be by behind the forward direction along rail plate 431 slippages of the said end, receive said stop catch plate 451 up to rear side and keep out, can this screen frame 51 be embedded in these accommodation spaces 44, and be placed on the rail plate of the said end 431.This dictyosome 52 can adopt known air purifying process and material medium at present; Air purifying process commonly used comprises: adsorption technology, anion technology, negative oxygen ion technology, photocatalyst is technological, high efficiency filter is technological, electrostatic precipitation is technological; And air cleaning medium commonly used comprises: photocatalyst, active carbon, synthetic fibers, high efficiency filter material, anion generator, nano-silver ionic, volatile oil etc.; Can certainly adopt compound purification techniques and material medium, no longer explain at this.
During use, after air passes through the dictyosome 52 of this filter screen unit 5, can air be filtered only, healthy to safeguard the user of service.Because this filter screen unit 5 exposes below this framework 3, so the user of service can watch this dictyosome 52 by the both sides, front and back easily, and can judge this dictyosome 52 and whether clean.And when needing to change this filter screen unit 5, also only need to extract this filter screen unit 5 out this accommodation space 44 by the front side, simultaneously that another is clean filter screen unit 5 sliding these accommodation spaces 44 that embed get final product, and are all quite convenient in dismounting and the assembling.
Consult Fig. 5; The structure of second preferred embodiment of the utility model air purification equipment is roughly identical with first embodiment; Different portions is: the linking unit 4 of present embodiment to fasten mechanism 41 shapes different, each fasten mechanism 41 all have a built the edge 31 of this framework 3 away from a side of this ventilating opening 311 on attachment strap 411.The said side plate 42 that hangs down down bends extension by the said attachment strap 411 of going up away from a side of this ventilating opening 311 respectively.Vertical plate 42 of said side and end rail plate 431 define this accommodation space 44 jointly, can be used for being installed in this filter screen unit 5.
Consult Fig. 6; The structure of the 3rd preferred embodiment of the utility model air purification equipment is roughly identical with second embodiment; Different portions is: the filter screen unit 5 of present embodiment be connected unit 4 and be fixedly connected and can not separate; That is to say the setting of omitting end trailer structure 43 (see figure 5)s, and make the hang down root edge of plate 42 of said side be fixedly connected on the screen frame 51 of this filter screen unit 5 respectively.Certain said side is hung down plate 42 can be identical or different with the material of screen frame 51, is provided with also and can processes by consubstantiality, no longer explains at this.
Consult Fig. 7; The structure of the 4th preferred embodiment of the utility model air purification equipment is roughly identical with the 3rd embodiment; Different portions is: the filter screen unit 5 of present embodiment is that magnetic is attached to linking unit 4 removably, that is to say that this filter screen unit 5 also comprises two magnetic mechanisms 53 that are installed in the left and right sides of this screen frame 51 respectively.Each magnetic mechanism 53 has one can adsorb the magnet 531 that is positioned the vertical plate 42 of said side with separating; Certainly the quantity of magnet 531 also can increase; When the material of plate 42 can not be adsorbed magnet 531 if said side is hung down; Then be connected unit 4 magnetic part of adsorbable magnet 531 also can be installed on side is hung down plate 42, therefore implement not exceed with present embodiment.
Consult Fig. 8, the structure of the 5th preferred embodiment of the utility model air purification equipment is roughly identical with first to fourth embodiment; Be that example is done explanation only in the drawings with first embodiment; Different portions is: the air purification equipment of present embodiment comprises several filter screen units 5, and this linking unit 4 comprises that also at least one is positioned at the branch trailer structure 46 of these trailer structure 43 tops, end at interval, and this minute, trailer structure 46 quantity was than few one of the quantity of filter screen unit 5; And present embodiment is to comprise two filter screen units 5; And comprise that a branch trailer structure 46 does explanation for example, its quantity also can increase relatively certainly, no longer illustrates at this.
This minute, trailer structure 46 was distinguished into two holding parts 441 that supply said filter screen unit 5 to insert respectively with this accommodation space 44.And this minute trailer structure 46 have two between left and right at a distance from and yearn for the branch rail plate 461 of central horizontal expansion, said minute rail plate 461 parallel rail plate 431 tops, the said end that are positioned at mutually by the said side plate 42 that hangs down respectively.The screen frame 51 of said filter screen unit 5 is to be placed on slippingly respectively on rail plate 431 of the said end and the said minute rail plate 461.The dictyosome 52 of said filter screen unit 5 can adopt identical or different material medium, can have better air-filtering effect, to promote IAQ.
Consult Fig. 9, the 6th preferred embodiment of the utility model air purification equipment comprises one equally and is connected unit 4, and a filter screen unit 5.Just the linking unit 4 of present embodiment also comprises a magnetic mechanism 47 that is installed on the screen frame 51 of this filter screen unit 5.This magnetic mechanism 47 has two magnet 471 that are installed on these screen frame 51 top sides respectively, and the quantity of magnet 471 also can increase certainly, does not exceed with present embodiment.During installation, said magnet 471 can adsorb with separating and is positioned this edge 31 bottoms.
Consult Figure 10, the 7th preferred embodiment of the utility model air purification equipment identically comprises one and is connected unit 4 and a filter screen unit 5.Just the linking unit 4 of present embodiment also comprises the linking tape mechanism 48 of 51 of screen frames that is installed on this edge 31 and this filter screen unit 5.This linking tape mechanism 48 has two first linking tapes 481 that are installed on these edge 31 bottoms respectively, and two second linking tapes 482 that are installed on these screen frame 51 top sides respectively.During installation, said second linking tape 482 be removably adhesive buckle in said first linking tape 481, with filter screen unit 5 installing and locating in these edge 31 belows.Certainly the quantity of corresponding first linking tape 481 and second linking tape 482 also can increase, and does not exceed with present embodiment.
Can know by above-mentioned explanation; The utility model air purification equipment is connected the setting of unit 4 through this; Can supply this filter screen unit 5 to install, let the user watch this dictyosome 52 by the both sides, front and back easily, and can judge this dictyosome 52 and whether clean; And all quite convenient in its dismounting and the assembling, so can reach the purpose of the utility model really.
Claims (10)
1. air purification equipment; Be to be used to be installed in a framework; This framework has one around the edge that defines a ventilating opening; And this air purification equipment comprises at least one filter screen unit, and this filter screen unit comprises a screen frame, and one is installed in this screen frame and the dictyosome that supplies air to pass through; It is characterized in that: this air purification equipment also comprises a linking unit that this filter screen unit is erected at the edge below of this framework; This linking unit comprise two between left and right at a distance from and be set up in the mechanism that fastens of this edge respectively; Reach two respectively by the said past vertical plate of side that extends below and be positioned at this ventilating opening below of mechanism that fastens, this screen frame is arranged between the vertical plate of side of this linking unit.
2. air purification equipment according to claim 1; It is characterized in that: this linking unit comprises that is arranged on the said side end trailer structure between the bottom side of plate that hangs down; The vertical plate of said side defines the accommodation space that both sides, front and back are communicated with jointly with this end trailer structure, and this air purification equipment comprises an interior filter screen unit of accommodation space that is embedded in this linking unit removably.
3. air purification equipment according to claim 2; It is characterized in that: this end trailer structure have two between left and right at a distance from and yearn for the end rail plate of central horizontal expansion mutually by the hang down root edge of plate of said side respectively, the screen frame of this filter screen unit is to be placed on slippingly on the rail plate of the said end.
4. air purification equipment according to claim 1; It is characterized in that: this linking unit comprises that is arranged on the said side end trailer structure between the bottom side of plate that hangs down; And at least one is positioned at the branch trailer structure of this trailer structure top, end at interval; The vertical plate of said side defines the accommodation space that both sides, front and back are communicated with jointly with this end trailer structure; This minute, the trailer structure was distinguished into several holding parts with this accommodation space, and this air purification equipment comprises the filter screen unit in several holding parts that are embedded in this accommodation space respectively removably.
5. air purification equipment according to claim 4; It is characterized in that: this end trailer structure have two between left and right at a distance from and yearn for the end rail plate of central horizontal expansion mutually by the hang down root edge of plate of said side respectively; This minute the trailer structure have two between left and right at a distance from and yearn for the branch rail plate of central horizontal expansion mutually by the said side plate that hangs down respectively; The rail plate was parallel to rail plate of the said end in said minute, and the screen frame of said filter screen unit is to be placed on slippingly respectively on rail plate of the said end and the said minute rail plate.
6. according to claim 3 or 5 described air purification equipments; It is characterized in that: each fastens mechanism and all has built attachment strap on the edge of this framework, and the said side plate that hangs down is down bent by a said side that goes up contiguous this ventilating opening of attachment strap respectively and stretches out this ventilating opening.
7. according to claim 3 or 5 described air purification equipments; It is characterized in that: each fasten mechanism all have a built this edge away from a side of this ventilating opening on attachment strap, the said side plate that hangs down down bends extension by the said attachment strap of going up away from a side of this ventilating opening respectively.
8. air purification equipment according to claim 1; It is characterized in that: each fasten mechanism all have a built this edge away from a side of this ventilating opening on attachment strap; The vertical plate of said side is down bent by the side of said upward attachment strap away from this ventilating opening respectively, and the root edge of the vertical plate of said side is fixedly connected on the screen frame of this filter screen unit respectively.
9. air purification equipment according to claim 1; It is characterized in that: each fasten mechanism all have a built this edge away from a side of this ventilating opening on attachment strap; The vertical plate of said side is down bent by the side of said upward attachment strap away from this ventilating opening respectively; This filter screen unit also comprises two magnetic mechanisms that are installed in the left and right sides of this screen frame respectively, and each magnetic mechanism has at least one can adsorb the magnet that is positioned the vertical plate of said side with separating.
10. air purification equipment according to claim 1; It is characterized in that: this linking unit also comprises a block mechanism that is positioned at the vertical plate rear side of said side and is used for spacing this filter screen unit; This block mechanism has two separated between left and right and straight in opposite directions stop catch plates to extension, and said stop catch plate blocks the screen frame rear side at this filter screen unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200344689U CN202427282U (en) | 2012-02-03 | 2012-02-03 | Air-filtering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200344689U CN202427282U (en) | 2012-02-03 | 2012-02-03 | Air-filtering device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202427282U true CN202427282U (en) | 2012-09-12 |
Family
ID=46776759
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200344689U Expired - Fee Related CN202427282U (en) | 2012-02-03 | 2012-02-03 | Air-filtering device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202427282U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108465358A (en) * | 2018-03-15 | 2018-08-31 | 苏州奥科德瑞智能科技有限公司 | A kind of floated cleaning equipment |
| WO2022264983A1 (en) * | 2021-06-15 | 2022-12-22 | 東洋アルミエコープロダクツ株式会社 | Filter structure |
-
2012
- 2012-02-03 CN CN2012200344689U patent/CN202427282U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108465358A (en) * | 2018-03-15 | 2018-08-31 | 苏州奥科德瑞智能科技有限公司 | A kind of floated cleaning equipment |
| WO2022264983A1 (en) * | 2021-06-15 | 2022-12-22 | 東洋アルミエコープロダクツ株式会社 | Filter structure |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109952140A (en) | The room air washer that low noise, ceiling are installed | |
| US6319307B1 (en) | Commercial air filter assembly and filter assembly and filtration unit | |
| CN211411384U (en) | Warm logical air conditioner filter of convenient dust removal | |
| KR101964548B1 (en) | Panel-typed filtering module and filtering apparatus having the same | |
| CN101109567B (en) | Air conditioner | |
| CN104998484A (en) | Air purification filter net | |
| CN202427282U (en) | Air-filtering device | |
| CN107461824A (en) | A kind of IFD devices of air-conditioner purifier | |
| CN203249340U (en) | Household fresh air system with air purification function | |
| US20140198426A1 (en) | In duct ionization system with a transformer that is spaced from the ionization tube | |
| CN204767967U (en) | Air purification filter screen | |
| CN101109564B (en) | Air conditioner | |
| CN206831721U (en) | Fan coil pipe type air purifier | |
| CN206919181U (en) | Air pipe indoor machine cleaning module and air pipe indoor machine | |
| CN216498212U (en) | Air purification equipment with detection sealing performance for pharmaceutical workshop | |
| CN201558624U (en) | Purifying screen | |
| KR20110030907A (en) | Air filter | |
| CN204962999U (en) | Air purifier | |
| CN206145820U (en) | Suspended ceiling type air purifier | |
| CN206222453U (en) | A kind of air cleaner | |
| KR20170047798A (en) | Panel-typed filtering module and filtering apparatus having the same | |
| CN201599918U (en) | Air inlet mesh structure of air conditioner indoor unit | |
| CN208011980U (en) | A kind of device for mounting scavenger fan based on gas concentration lwevel detection | |
| CN101109566A (en) | Air conditioner | |
| WO2022165998A1 (en) | Air purification device and air conditioner |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120912 Termination date: 20160203 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |