CN103047197A - Fan filter unit with fixed surface air speed and controllable area - Google Patents
Fan filter unit with fixed surface air speed and controllable area Download PDFInfo
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- CN103047197A CN103047197A CN2012105837460A CN201210583746A CN103047197A CN 103047197 A CN103047197 A CN 103047197A CN 2012105837460 A CN2012105837460 A CN 2012105837460A CN 201210583746 A CN201210583746 A CN 201210583746A CN 103047197 A CN103047197 A CN 103047197A
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- 238000001914 filtration Methods 0.000 claims description 16
- 239000004744 fabric Substances 0.000 claims description 7
- 238000009826 distribution Methods 0.000 abstract description 3
- 238000007796 conventional method Methods 0.000 abstract 1
- 239000000428 dust Substances 0.000 description 6
- 230000008859 change Effects 0.000 description 5
- 230000001276 controlling effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000008030 elimination Effects 0.000 description 2
- 238000003379 elimination reaction Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 206010008190 Cerebrovascular accident Diseases 0.000 description 1
- 208000006011 Stroke Diseases 0.000 description 1
- 238000004887 air purification Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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- Filtering Of Dispersed Particles In Gases (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention relates to a fan filter unit with fixed surface air speed and controllable area. The fan filter unit comprises a device casing, the bottom of the device casing is provided with an air outlet, the top of the device casing is provided with a circular air suction port, a fan is arranged below the circular air suction port, a filter is arranged below the fan, and an air speed sensor is arranged at the center below the filter and is connected with a controller through a lead, wherein the controller is arranged on the top of the device casing and used for controlling rotation speed of the fan. The fan filter unit breaks through the conventional method of controlling air quantity by changing air speed via area fixing type, senses and monitors the air speed of the air outlet by means of the sensor and timely feeds the air speed back to the controller, and the controller can immediately transmits signals to enable rotary shafts on two sides of a box to rotate in or out to adjust the area of a windward side, so that air quantity can be changed, air speed can be stabilized, and airflow distribution can be constant.
Description
Technical field
The present invention relates to a kind of air purification field, especially a kind of blower fan filtering unit of deciding the controlled area of face wind speed.
Background technique
Along with the raising of expanding economy and people's living standard, people are also more and more higher to the requirement of quality of product.Each technical order to production environment is reasonably controlled, and to satisfy the requirement of special producing technique, becomes one of study hotspot of present clean engineering.FFU is as a kind of cleaning equipment, by feat of the FFU longevity of service, but low noise, non-maintaining, the little stepless speed regulation of vibrations, wind speed is even, easy for installation, modularization connects the advantages such as use, now has been widely used in the applications such as dust free room, dustless operating platform, dustless production line, assembly type dust free room and local laminar flow.Yet because the high standard of science and technology and tight requirement, for how energy-efficient realization is directed to this point and makes many scientific researchers with a worried frown being controlled in order to put the another road difficult problem in face of brainstrust of FFU.For cleanroom (FFU) control system, using mainly is that multi-gear switch control, continuous velocity are regulated control, computer control and remote control control at present.
Wherein the multi-gear switch control system includes only a speed control switch and power switch that FFU carries.Because control unit is that FFU carries, be distributed in each position in cleanroom's furred ceiling, the staff must regulate FFU by dialling position switch at the scene, and control is got up extremely inconvenient, and the wind speed adjustable extent of FFU is limited, only limits to several grades.Its energy consumption is large, can not stepless speed control, do not have feedback signal, can not realize the more aobvious inferior position of characteristics such as flexibly cohort control.Continuous velocity is regulated control and compared with the multi-gear switch control mode, and many continuous velocity regulators make the FFU rotation speed of fan adjustable continuously, but also sacrificed electric efficiency simultaneously, and is can loss-rate multi-gear switch control mode taller.For computer control, because clean room does not allow the FFU motor with brush, therefore, the motor of FFU all adopts brushless direct current motor, the commutation problem is then solved by the electronics phase changer, and the short also greatly reduction in working life that makes whole control system of the life-span of electronics phase changer.Whole system involves great expense.The later maintenance expense is high.And remote control control and computer control are similar, have the life-span weak point, the high in cost of production inferior position.Having does not so have a kind of control mode can accomplish that energy consumption is low, control is convenient, guarantee that again working life, cost are not high? the another hang-up and the challenge that become current sciemtifec and technical sphere that this is natural.
Summary of the invention
The present invention will solve the shortcoming of above-mentioned prior art, a kind of blower fan filtering unit of deciding the controlled area of face wind speed is provided, according to indoor different air quantity demand, by regulation and control wind face area synchronism stability indoor air flow tissue, the assurance wind speed is at the uniform velocity sent with 0.45M/S ± 20%, the regulation and control of its apoplexy face area are guided by the signal that air velocity transducer is conveyed to central control unit, and the instruction of controller and the coordinate responses of rotating shaft are finished jointly.
The present invention solves the technological scheme that its technical problem adopts: this blower fan filtering unit of deciding the controlled area of face wind speed, comprise crust of the device, the crust of the device bottom is exhaust outlet, the crust of the device top is provided with a circular suction port, the circular suction port below is provided with a blower fan, blower fan below is provided with filter, and the filter bottom center is provided with an air velocity transducer, and air velocity transducer is connected by the controller that wire and crust of the device top can be used for controlling the blower fan rotational velocity.
As preferably, described crust of the device two bottom sides respectively is provided with a containment vessel, and being provided with in the containment vessel can be by the rotating shaft of controller control, and rotating shaft is provided with the windbreaker cloth that can stretch and shrink along exhaust outlet.
As preferably, described filter comprises the roughing efficiency air filter that is positioned at the upper strata and the high efficiency particulate air filter that is positioned at lower floor.
As preferably, on the described circular suction port with chain link fence.
As preferably, described crust of the device is provided with two handles.
Inventing useful effect is: the present invention has the handle of hommization and beautiful outward appearance; Use integrated control, convenient, save time, efficiently; The arranging of double filtration sheet embodied this device with people's the health theory as primary design; Constant air-supply wind speed 0.45M/S ± 20% has guaranteed the stability of indoor air flow tissue when having resh air requirement to send into, and has avoided because sending into of resh air requirement causes indoor air flow unstable, thereby has reached the change air quantity, stablizes wind speed, the effect of constant gas tissue; Reach this idea of deciding the face wind speed by control exhaust outlet area and also broken the set way of in the past controlling air quantity by deciding area formula change wind speed.
Description of drawings
Fig. 1 is structural representation of the present invention;
Fig. 2 is the structural representation of rotating shaft part;
Fig. 3 is the structural representation of blower fan
Description of reference numerals: handle 1, controller 2, circular suction port 3, blower fan 4, wire 5, crust of the device 6, air velocity transducer 7, roughing efficiency air filter 8, high efficiency particulate air filter 9, windbreaker cloth 10, rotating shaft 11, containment vessel 12.
Embodiment
The invention will be further described below in conjunction with accompanying drawing:
Embodiment: as shown in the figure; this blower fan filtering unit of deciding the controlled area of face wind speed; comprise crust of the device 6; crust of the device 6 is provided with two handles 1; crust of the device 6 bottoms are exhaust outlet; crust of the device 6 tops are provided with one with the circular suction port 3 of chain link fence; be used for the fresh air outside the receiving chamber; circular suction port 3 belows are provided with a blower fan 4; blower fan 4 belows are provided with two-layer filter; the upper strata is roughing efficiency air filter 8, is used for the airborne dust of elimination and solid impurity, and lower floor is high efficiency particulate air filter 9; be used for capturing 0.5um following particle dust and various suspended matter; under the effect of two-layer filter, greatly guaranteed to send into the indoor fresh air quality, be provided with an air velocity transducer 7 in high efficiency particulate air filter 9 central authorities; air velocity transducer 7 is connected with the controller 2 at crust of the device 6 tops by wire 5; controller 2 can be used for receiving the air-supply wind speed that air velocity transducer 7 records, and controls in addition wind, 4 rotational velocity.
For guaranteeing under different new wind demands, send into indoor new wind air-supply wind speed through the bottom high efficiency particulate air filter and remain at 0.45M/S ± 20%, and the exhaust outlet wind speed of 0.45M/S ± 20% can effectively be avoided causing the disorderly unordered of indoor air flow tissue because new wind passes into.Apparatus of the present invention are under the principle support of flow formula: L=F*V; install two containment vessels 12 additional in existing blower fan filtering unit both sides; be provided with rotating shaft 11 in the containment vessel 12; volume has windbreaker cloth 10 in the rotating shaft 11; rotation control windbreaker cloth 10 by rotating shaft 11 stretches and shrinks along exhaust outlet; thereby control the area of senior filter 9 place's exhaust outlets, guaranteed that thus the air supply at the bottom wind speed is always 0.45M/S ± 20% under the different new wind demands.Only have the numerical value that records when air velocity transducer 7 when 0.45M/S ± 20%, control gear just stops to control the rotation of rotating shaft 11.
When needing to ventilate, plugged, open the controller 2 that this decides the blower fan filtering unit top of the controlled area of face wind speed, at this moment, the rotating shaft 11 of the air velocity transducer 7 of blower fan 4, roughing efficiency air filter 8, high efficiency particulate air filter 9, high efficiency particulate air filter 9 central authorities and crust of the device 6 both sides will automatically open and by controller 2 controlling runs until the exhaust outlet wind speed remains on 0.45M/S ± 20%.
When the quality of indoor air descends and human body when not feeling well, plugged is opened the blower fan filtering unit that this decides the controlled area of face wind speed, according to required resh air requirement value, sets the rotating speed of blower fan 4; After controller 2 received the rotation speed of fan setting value, blower fan 4 began to rotate, and required quantitatively new wind will be brought new wind the device into from the circular suction port 3 at crust of the device 6 tops; After through dust and solid impurity in the new wind of roughing efficiency air filter 8 eliminations, new wind arrives second layer high efficiency particulate air filter 9, capture 0.5um following particle dust and various suspended matter, the air velocity transducer 7 of high efficiency particulate air filter 9 central authorities measures the wind speed of this stylish wind simultaneously, and the wind speed that records is passed to controller 2; If the wind speed that records departs from 0.45M/S ± 20%, the then rotating shaft 11 of control beginning this moment tourelle shell 6 both sides, the windbreaker cloth 10 in the rotating shaft 11 begins to stretch, thereby changes the area of exhaust outlet; In the process that windbreaker cloth 10 outwards stretches, the exhaust outlet wind speed that air speed measuring apparatus 7 constantly will change behind the area is passed to controller 2, when the wind speed that records when air velocity transducer 7 is 0.45M/S ± 20%, controller 2 sends the rotation that signal stops both sides rotating shaft 11, this timer exhaust outlet area no longer changes, and the exhaust outlet wind speed remains on 0.45M/S ± 20%, so far, new wind is sent constantly into, and the exhaust outlet wind speed of 0.45M/S ± 20% can effectively be avoided causing the disorderly unordered of indoor air flow tissue because new wind passes into, built more healthy, a comfortable indoor environment.
The present invention is different from general blower fan filtering unit, its major character advantage is to decide the area controllability of face wind speed, according to indoor different air quantity demands (L=FV), regulate wind face area by central control unit by the precession of rotating shaft 11 or back-out, thereby guarantee that wind speed maintains the situation of 0.45M/S ± 20%, air distribution in the equalization chamber.
The present invention is a kind of self-powered, modular end air flow device with filter efficacy, blower fan 4 filters from the top with air intake and through first, high efficiency particulate air filter, clean air after the filtration is at the uniform velocity sent with the wind speed of 0.45M/S ± 20% at whole outlet air surface, the area controllability of deciding the face wind speed is different size size, the cleanroom of different cleaniliness classses, provides high-quality clean air for environment.
The present invention has terseness and energy saving, and intelligent automatic control is namely opened namely and closed, and is energy-efficient.The air velocity transducer 7 of installing in the filter screen can with the wind speed information of air draft face rapidly, sensitive, be passed in the central control unit efficiently, controller 2 in time sends instruction so that corresponding response is made in the rotating shaft of tank ends symmetry, to realize increasing or dwindling wind face area.
The present invention has realized deciding the area controllability of face wind speed and the operability of constant gas wind speed, has namely broken the set of in the past deciding the face speed change, has effectively stablized indoor air distribution, reaches even wind speed.
The present invention is self-powered, and is the modularization of having a style of one's own, and the ancillary filter device is easy to change, so it is not subjected to the restriction in zone.In clean room, as required subregion control is according to needing replacing, mobile.
In addition to the implementation, the present invention can also have other mode of executions.All employings are equal to the technological scheme of replacement or equivalent transformation formation, all drop on the protection domain of requirement of the present invention.
Claims (5)
1. blower fan filtering unit of deciding the controlled area of face wind speed, comprise crust of the device (6), crust of the device (6) bottom is exhaust outlet, it is characterized in that: crust of the device (6) top is provided with a circular suction port (3), circular suction port (3) below is provided with a blower fan (4), blower fan (4) below is provided with filter, the filter bottom center is provided with an air velocity transducer (7), and air velocity transducer (7) is connected by the controller (2) that wire (5) and crust of the device (6) top can be used for controlling blower fan (4) rotational velocity.
2. the blower fan filtering unit of deciding the controlled area of face wind speed according to claim 1; it is characterized in that: described crust of the device (6) two bottom sides respectively is provided with a containment vessel (12); be provided with the rotating shaft (11) that can pass through controller (2) control in the containment vessel (12), rotating shaft (11) is provided with can be along exhaust outlet stretching and the windbreaker cloth (10) that shrinks.
3. the blower fan filtering unit of deciding the controlled area of face wind speed according to claim 1 and 2, it is characterized in that: described filter comprises the roughing efficiency air filter (8) that is positioned at the upper strata and the high efficiency particulate air filter (9) that is positioned at lower floor.
4. the blower fan filtering unit of deciding the controlled area of face wind speed according to claim 1 and 2 is characterized in that: described circular suction port (3) is upper with chain link fence.
5. the blower fan filtering unit of deciding the controlled area of face wind speed according to claim 1 and 2, it is characterized in that: described crust of the device (6) is provided with two handles (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210583746.0A CN103047197B (en) | 2012-12-27 | 2012-12-27 | Fan filter unit with fixed surface air speed and controllable area |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210583746.0A CN103047197B (en) | 2012-12-27 | 2012-12-27 | Fan filter unit with fixed surface air speed and controllable area |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103047197A true CN103047197A (en) | 2013-04-17 |
| CN103047197B CN103047197B (en) | 2015-02-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210583746.0A Active CN103047197B (en) | 2012-12-27 | 2012-12-27 | Fan filter unit with fixed surface air speed and controllable area |
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| Country | Link |
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| CN (1) | CN103047197B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103711734A (en) * | 2014-01-09 | 2014-04-09 | 北京七星华创电子股份有限公司 | Fan filtering unit |
| CN104265692A (en) * | 2014-09-04 | 2015-01-07 | 京东方科技集团股份有限公司 | Fan filtering unit |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1133325A (en) * | 1997-07-23 | 1999-02-09 | Norihito Sako | Apparatus for cleaning exhaust gas |
| CN1212350A (en) * | 1997-09-25 | 1999-03-31 | 煜丰企业有限公司 | Controller capable of regulating outlet section according to air conditioner energy |
| JPH11173615A (en) * | 1997-12-08 | 1999-07-02 | Samsung Electron Co Ltd | System for checking driving condition of fan filter unit for air conditioner in clean room |
| CN1401949A (en) * | 2001-08-24 | 2003-03-12 | 株式会社日立制作所 | Fan filter unit controlling system and dustless chamber therewith |
| CN101196413A (en) * | 2006-12-05 | 2008-06-11 | 上海智城分析仪器制造有限公司 | Device and method for biological safety detection, control and alarm |
| CN202012998U (en) * | 2011-01-28 | 2011-10-19 | 北京鸣远伟业实验室设备有限公司 | Air-supplementing type ventilation cabinet device |
-
2012
- 2012-12-27 CN CN201210583746.0A patent/CN103047197B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1133325A (en) * | 1997-07-23 | 1999-02-09 | Norihito Sako | Apparatus for cleaning exhaust gas |
| CN1212350A (en) * | 1997-09-25 | 1999-03-31 | 煜丰企业有限公司 | Controller capable of regulating outlet section according to air conditioner energy |
| JPH11173615A (en) * | 1997-12-08 | 1999-07-02 | Samsung Electron Co Ltd | System for checking driving condition of fan filter unit for air conditioner in clean room |
| CN1401949A (en) * | 2001-08-24 | 2003-03-12 | 株式会社日立制作所 | Fan filter unit controlling system and dustless chamber therewith |
| CN101196413A (en) * | 2006-12-05 | 2008-06-11 | 上海智城分析仪器制造有限公司 | Device and method for biological safety detection, control and alarm |
| CN202012998U (en) * | 2011-01-28 | 2011-10-19 | 北京鸣远伟业实验室设备有限公司 | Air-supplementing type ventilation cabinet device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103711734A (en) * | 2014-01-09 | 2014-04-09 | 北京七星华创电子股份有限公司 | Fan filtering unit |
| CN104265692A (en) * | 2014-09-04 | 2015-01-07 | 京东方科技集团股份有限公司 | Fan filtering unit |
| CN104265692B (en) * | 2014-09-04 | 2016-08-24 | 京东方科技集团股份有限公司 | Blower fan filtering unit |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103047197B (en) | 2015-02-11 |
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Address after: 9, No. 310011, 12 building, 30 Cheung Road, Zhejiang, Hangzhou Applicant after: LINKWELL TECHNOLOGY Co.,Ltd. Address before: Hangzhou City, Zhejiang province 310011 Xiangyuan Road No. 28 building 12 room 1601 Le Fuzhi Park Applicant before: ZHEJIANG LINKWELL ELECTRONIC ENGINEERING Co.,Ltd. |
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Free format text: CORRECT: APPLICANT; FROM: ZHEJIANG LINKWELL ELECTRONIC ENGINEERING CO., LTD. TO: LINKWELL TECHNOLOGY INC. |
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Denomination of invention: Fan filter unit with fixed surface air speed and controllable area Effective date of registration: 20161220 Granted publication date: 20150211 Pledgee: Hangzhou hi tech Company limited by guarantee Pledgor: LINKWELL TECHNOLOGY Co.,Ltd. Registration number: 2016330000100 |
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Date of cancellation: 20211213 Granted publication date: 20150211 Pledgee: Hangzhou hi tech Company limited by guarantee Pledgor: LINKWELL TECHNOLOGY Co.,Ltd. Registration number: 2016330000100 |
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Denomination of invention: A fan filtering unit with fixed surface wind speed and controllable area Effective date of registration: 20220110 Granted publication date: 20150211 Pledgee: Hangzhou High-tech Financing Guarantee Co.,Ltd. Pledgor: LINKWELL TECHNOLOGY Co.,Ltd. Registration number: Y2022330000044 |
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Date of cancellation: 20230207 Granted publication date: 20150211 Pledgee: Hangzhou High-tech Financing Guarantee Co.,Ltd. Pledgor: LINKWELL TECHNOLOGY Co.,Ltd. Registration number: Y2022330000044 |
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Denomination of invention: A fan filter unit with constant area and controllable wind speed Effective date of registration: 20230210 Granted publication date: 20150211 Pledgee: Hangzhou High-tech Financing Guarantee Co.,Ltd. Pledgor: LINKWELL TECHNOLOGY Co.,Ltd. Registration number: Y2023330000344 |
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