CN102828999A - Fan filter unit - Google Patents
Fan filter unit Download PDFInfo
- Publication number
- CN102828999A CN102828999A CN2012103468137A CN201210346813A CN102828999A CN 102828999 A CN102828999 A CN 102828999A CN 2012103468137 A CN2012103468137 A CN 2012103468137A CN 201210346813 A CN201210346813 A CN 201210346813A CN 102828999 A CN102828999 A CN 102828999A
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- Prior art keywords
- waveform
- blower fan
- filter member
- filtering unit
- housing
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Abstract
The invention discloses a fan filter unit which comprises a shell internally provided with a fan unit, wherein the upper surface of the shell is provided with an air inlet, a filter unit is arranged below the fan unit, the filter unit comprises a wavy filter member and an air outlet cover arranged below the shell, the fan filter unit is fixedly arranged on a ceiling, at least part of the air outlet cover extends out of the ceiling, and the bottom and at least one side surface of the air outlet cover are provided with air outlets. Because the side surface of the air outlet cover is provided with the air outlet, clean air can enter into more indoor spaces from the air outlet in the side surface, so that air in the whole working chamber can be filtered by only installing the fan filter unit, and thus the cleaning efficiency of the fan filter unit is increased.
Description
Technical field
The present invention relates to a kind of air filter, especially the blower fan filtering unit.
Background technique
The blower fan filtering unit is promptly claimed FFU (Fan Filter Unit), is the combination of blower fan and filter, is called " filter plant that carries blower fan " again.FFU is installed in the air-supply end of cleanroom's ceiling board usually, is used to control the particulate of clean indoor air, purifies air.
Shown in Figure 1 is blower fan filtering unit of the prior art, comprises the housing 2 that is built-in with fan unit 3, housing 2 upper surface wind inlet 1 is arranged, treat that clean air enters into unit through exhaust outlet 1.Housing 2 bottoms are equipped with outlet housing, and outlet housing 7 lower surfaces are provided with exhaust outlet 6, are furnished with filter member 41 between exhaust outlet 6 and the fan unit 3.This blower fan filtering unit is installed on the ceiling board 5 of cleanroom, and outlet housing 7 is concordant with ceiling board 5, and the air of the cleaning after being processed enters into indoor through the exhaust outlet on the outlet housing 76.This blower fan filtering unit can only be discharged clean air downwards; Make the air on upper strata, cleanroom be difficult to displacement; And the restricted number of straight exhaust outlet 6 makes that the clean efficient of whole blower fan filter bank is on the low side on the outlet housing 7; When the interior space is big, need a plurality of blower fan filtering units are installed, increased cost greatly.
Summary of the invention
The technical problem that the present invention will solve provides a kind of efficient, the blower fan filtering unit of high coverage rate.
For addressing the above problem, the invention provides a kind of blower fan filtering unit, comprise the housing that is built-in with fan unit; The upper surface of said housing has wind inlet; The outlet housing that said fan unit below has filter element, said filter element to comprise the waveform filter member and places said housing below, said blower fan filtering unit is fixedly mounted on the ceiling board; Said outlet housing part at least stretches out said ceiling board, and the bottom of said outlet housing and at least one side thereof are provided with exhaust outlet.
As further improvement of the present invention, said waveform filter member comprises the ripple of two angled settings at least.
As further improvement of the present invention, two sections waveforms of said angled setting, its separately the axis at crest place become 90 degree.
As further improvement of the present invention, said waveform filter member comprises the waveform of two sections different densities at least.
As further improvement of the present invention, said waveform filter member comprises the waveform of two sections different heights at least.
Beneficial effect:
(1) because the side of outlet housing also is furnished with exhaust outlet, clean air not only can get into the cleanroom through the bottom surface exhaust outlet, and can get in the last sheaf space of cleanroom through the exhaust outlet of side, is beneficial to cleanroom's integrated air displacement;
(2) setting of the different density of waveform filter screen, height and angle or its combination are provided with; Make that the air output and the wind speed of waveform filter screen different azimuth are different; Increase the wind supply quantity and the area coverage of single blower fan greatly, and then reduced the quantity required of blower fan filtering unit.
Description of drawings
Fig. 1 is the partial sectional view of blower fan filter bank in the existing technology, and the direction of arrow is wind direction.
Fig. 2 is the partial sectional view of blower fan filtering unit of the present invention, and the direction of arrow is wind direction.
Shown in Figure 3 for the waveform filter member first example structure schematic representation of blower fan filtering unit of the present invention.
Shown in Figure 4 is waveform filter member second embodiment's of blower fan filtering unit of the present invention structural representation.
Shown in Figure 5 is waveform filter member the 3rd embodiment's of blower fan filtering unit of the present invention structural representation.
Embodiment
Elaborate to embodiment of the present invention below.
Shown in Figure 2 is the structural representation of a kind of mode of execution of blower fan filtering unit of the present invention; The housing 2 that comprises internal fan unit 3, housing 2 upper surfaces have wind inlet 1, and fan unit 3 belows are provided with filter element; The outlet housing 7 that filter element comprises waveform filter member 42 and places the housing below; Outlet housing 7 bottom surfaces are provided with a plurality of exhaust outlets 6, and outlet housing 7 is connected with the bottom of housing 2, and one or more side of outlet housing 7 is provided with exhaust outlet 6.
Blower fan filtering unit in the preferred embodiment of the present invention is fixed on the ceiling board 5, and outlet housing 7 parts are stretched out ceiling board 5.The side of outlet housing and lower surface all have exhaust outlet 6 in this preferred embodiment; Clean air is through in exhaust outlet 6 inlet chambers on the outlet housing 7; The gas that lower surface exhaust outlet 6 comes out forms top-down vertical way flow flow pattern, and the gas that exhaust outlet 6 comes out in the side forms horizontal gas flow, can get into the last sheaf space of cleanroom; Making indoor most of space, cleanroom all be in has the wind district, has improved clean efficient greatly.
The blower fan filtering unit of preferred embodiment of the present invention can adopt the waveform filter member of various ways, the structure of waveform filter member 42 as shown in Figure 3, and the waveform filter member can comprise the waveform of at least two sections different amount; For example in the present invention; The angle a that has adopted axis on its crests of waveform of two sections different amount is 90 degree, adopts this waveform filter member 42, and the area increase of air-out is about 20%～45%; When wind speed one timing; Air quantity is directly proportional with the area of air-out, and under the situation of not considering other factors, air quantity has increased about 20%～45% equally.
Shown in Figure 4 is the another kind of structural representation of waveform filter member 42, and it comprises waveform filter member lateral parts 421a, waveform filter member underside portion 421b, and the waveform filter member can comprise the waveform of at least two sections different densities.Waveform filter member lateral parts 421a is closeer with respect to waveform filter member underside portion 421b wave band in preferred embodiment of the present invention.The waveform that is arranged so that waveform filter member lateral parts 421a like this is intensive relatively with the increase work area, thereby increases air quantity; And that waveform filter member underside portion 421b waveform is provided with the sparse work area that makes is less, and air quantity is less, makes the staff who stands in its below feel more comfortable like this.
Another structural representation of waveform filter member 42 shown in Figure 5, it comprises the waveform of at least two sections different heights, in preferred embodiment of the present invention, waveform filter member lateral parts 422a, its crest is h1 to the distance of trough; Waveform filter member underside portion 422b, its crest is h2 to the distance of trough, h1 is greater than h2; The height of waveform is big more, wind through the time difference pressuring loss more little, wind speed is big more, thereby can be through the waveform height of filter member waveform in zones of different is set, thereby has improved the air-out comfort level in the cleanroom.
Combine accompanying drawing that mode of execution of the present invention is specified above, but can not therefore be interpreted as restriction claim of the present invention.Should be pointed out that for the person of ordinary skill of the art under the prerequisite that does not break away from the present invention's design, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with accompanying claims.
Claims (5)
1. blower fan filtering unit; Comprise the housing that is built-in with fan unit, the upper surface of said housing has wind inlet, and there is filter element said fan unit below; The outlet housing that said filter element comprises the waveform filter member and places said housing below; It is characterized in that: said blower fan filtering unit is fixedly mounted on the ceiling board, and said outlet housing part at least stretches out said ceiling board, and the bottom of said outlet housing and at least one side thereof are provided with exhaust outlet.
2. blower fan filtering unit according to claim 1 is characterized in that: said waveform filter member comprises the waveform of two sections different amount at least.
3. blower fan filtering unit according to claim 2 is characterized in that: the waveform of said two sections different amount, it is the axis formation 90 degree angles at crest place separately.
4. blower fan filtering unit according to claim 1 is characterized in that: said waveform filter member comprises the waveform of two sections different densities at least.
5. blower fan filtering unit according to claim 1 is characterized in that: said waveform filter member comprises the waveform of two sections different heights at least.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210346813.7A CN102828999B (en) | 2012-09-19 | 2012-09-19 | Blower fan filtering unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210346813.7A CN102828999B (en) | 2012-09-19 | 2012-09-19 | Blower fan filtering unit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102828999A true CN102828999A (en) | 2012-12-19 |
| CN102828999B CN102828999B (en) | 2015-09-23 |
Family
ID=47332250
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210346813.7A Active CN102828999B (en) | 2012-09-19 | 2012-09-19 | Blower fan filtering unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102828999B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105526649A (en) * | 2016-01-11 | 2016-04-27 | 广州市科帮空气净化科技有限公司 | Purification system for working room of highway toll station |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5496389A (en) * | 1993-04-08 | 1996-03-05 | Microzone Corporation | Clean air fan filter module |
| JP2001248869A (en) * | 2000-03-07 | 2001-09-14 | Shinko Kogyo Co Ltd | Filter unit for clean room |
| CN101069798A (en) * | 2006-05-09 | 2007-11-14 | 亚翔工程股份有限公司 | Chemical filtering net |
| CN201100743Y (en) * | 2007-10-10 | 2008-08-13 | 姜向东 | Humid film humidity generator filtering core |
| CN101368579A (en) * | 2007-08-13 | 2009-02-18 | 力晶半导体股份有限公司 | Fan filter screen unit and dust-free chamber |
| CN202900800U (en) * | 2012-09-19 | 2013-04-24 | 亚翔系统集成科技（苏州）股份有限公司 | Fan filter set |
-
2012
- 2012-09-19 CN CN201210346813.7A patent/CN102828999B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5496389A (en) * | 1993-04-08 | 1996-03-05 | Microzone Corporation | Clean air fan filter module |
| JP2001248869A (en) * | 2000-03-07 | 2001-09-14 | Shinko Kogyo Co Ltd | Filter unit for clean room |
| CN101069798A (en) * | 2006-05-09 | 2007-11-14 | 亚翔工程股份有限公司 | Chemical filtering net |
| CN101368579A (en) * | 2007-08-13 | 2009-02-18 | 力晶半导体股份有限公司 | Fan filter screen unit and dust-free chamber |
| CN201100743Y (en) * | 2007-10-10 | 2008-08-13 | 姜向东 | Humid film humidity generator filtering core |
| CN202900800U (en) * | 2012-09-19 | 2013-04-24 | 亚翔系统集成科技（苏州）股份有限公司 | Fan filter set |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105526649A (en) * | 2016-01-11 | 2016-04-27 | 广州市科帮空气净化科技有限公司 | Purification system for working room of highway toll station |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102828999B (en) | 2015-09-23 |
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