CN103133426A - Filter unit of air fan with constant air volume - Google Patents
Filter unit of air fan with constant air volume Download PDFInfo
- Publication number
- CN103133426A CN103133426A CN2011103723827A CN201110372382A CN103133426A CN 103133426 A CN103133426 A CN 103133426A CN 2011103723827 A CN2011103723827 A CN 2011103723827A CN 201110372382 A CN201110372382 A CN 201110372382A CN 103133426 A CN103133426 A CN 103133426A
- Authority
- CN
- China
- Prior art keywords
- fan
- air
- module
- air fan
- filter
- 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
Links
Images
Landscapes
- Ventilation (AREA)
- Control Of Positive-Displacement Air Blowers (AREA)
Abstract
The invention discloses a filter unit of an air fan with a constant air volume. The filter unit of the air fan comprises the air fan and a filter. An air fan control device comprises an information collection module, an information processing module and a control executing module, wherein the information collection module is arranged at an output end of the filter and used for detecting the air speed, the information processing module conducts processing and conversion on signals collected by the information collection module, and the control executing module controls the air fan to operate according to the obtained information processed by the information processing module, and the control executing module is electrically connected with the air fan. The filter unit of the air fan with the constant air volume can make an adjustment of the air speed of the air fan in time according to changes of the air speed of an air-out surface, avoid detection errors and time intervals generated in the process of manual detection and operation, and ensure the air quality of a cleaning room. Meanwhile, the filter unit of the air fan with the constant air volume is controlled through electric in the whole process, manual operation is not needed, work load is reduced, and cost is reduced at the same time.
Description
Technical field
The present invention relates to a kind of cleaning equipment of clean gas flow, be specifically related to a kind of filtering unit of fan with constant air quantity.
Background technique
At present, along with being widely used of various electronic products, and raising medical, the food service industry production environment, the application of dust proof workshop is also more and more.In various level other cleanrooms, due to the modular construction of blower fan filtering unit (FFU), be convenient to old factory rehabilitation, therefore system simple in structure be one of equipment that in the cleanroom, use amount is maximum.
FFU is comprised of filter, these two-part of blower fan usually, and its middle filtrator is used for the dust of filtered air, and the clean air of a constant speedpump is provided.Along with the increase of service time, filter has been tackled increasing dust, and the resistance of filter can increase gradually, and the flow velocity of the clean gas flow of filter outlet air surface is reduced, and impact is used.Blower fan is the power section of FFU, and the static pressure of a perseverance is provided to filter.When filter surface dust increase causes resistance to improve, need to improve the rotating speed of blower fan.When the permanent degree of filter resistance increment to, need to change with filter, the rotating speed of blower fan also needs corresponding reduction.
The blower fan of all FFU uses all only has the rotating speed of solid perseverance in the market, when the resistance increment of filter, when wind speed reduces, needs the wind speed by detection filter outlet air surface, then regulates by craft or FFU control system.
During due to manual detection FFU outlet air surface wind speed, can be due to problems such as measurement error or the time lags, can not guarantee that FFU outlet air surface wind speed in time adjusts, affect the air quality of cleanroom.And when manually adjusting wind speed, the adjustment personnel need climb on cleanroom's furred ceiling and carry out, very trouble.In addition, also can control rotation speed of fan by long-range FFU control system, cost is higher.
Summary of the invention
When adopting manual detection to adjust the blower fan wind speed for solving traditional approach, there is the adjustment outlet air surface wind speed that measurement error and the time lag can't be promptly and accurately, or adopt long-range FFU control system to regulate, the problems such as cost is higher, the invention discloses a kind of filtering unit of fan with constant air quantity, to reach accurate detection outlet air surface wind speed, blower fan is adjusted promptly and accurately, guarantee cleanroom's air quality, reduce the purpose of adjusting cost.
Technological scheme of the present invention is as follows:
A kind of filtering unit of fan with constant air quantity comprises blower fan, filter, and the fan controller of controlling described rotation speed of fan, and described fan controller comprises:
Be positioned at the information acquisition module for detection of wind speed of described filter output terminal;
The signal of described information acquisition module collection is processed the message processing module of conversion;
The information that obtains after processing according to described message processing module is controlled the control Executive Module of described blower fan running;
Described control Executive Module is electrically connected to described blower fan.
Preferably, described information acquisition module is pressure transducer.
Preferably, described message processing module is pressure difference transmitter.
Preferably, described control Executive Module is the PLC controller.
Preferably, described fan controller also comprises with described pressure difference transmitter and is electrically connected to warning device.
Preferably, described warning device is audible-visual annunciator or buzzer siren.
filtering unit of fan with constant air quantity disclosed by the invention, comprise blower fan, filter, and the fan controller of controlling described rotation speed of fan, described fan controller comprises: information acquisition module, message processing module and control Executive Module, wind speed by information acquisition module Real-Time Monitoring filter outlet air surface, in time signal is transmitted, by message processing module, collection signal is converted to standardized electrical signal transfer to controlling Executive Module, in time the wind speed of blower fan is adjusted according to the variation of outlet air surface wind speed, the detection error and the time lag that have produced when having avoided manual detection and operation, guaranteed the air quality of cleanroom, and overall process is by electrical control, need not manual operation, reduced workload, reduced simultaneously cost.
Description of drawings
In order to be illustrated more clearly in the embodiment of the present invention or technological scheme of the prior art, the below will do to introduce simply to the accompanying drawing of required use in embodiment or description of the Prior Art, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the structural representation of a kind of filtering unit of fan with constant air quantity disclosed by the invention;
Fig. 2 is the control circuit figure of fan controller disclosed by the invention.
The title of the numeral in figure or the corresponding part of alphabetical representative:
1, blower fan 2, controller of fan 3, pressure difference transmitter 4, pressure transducer.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technological scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment who obtains under the creative work prerequisite.
The invention discloses a kind of filtering unit of fan with constant air quantity, to reach accurate detection outlet air surface wind speed, blower fan is adjusted promptly and accurately guarantees cleanroom's air quality, reduces the purpose of adjusting cost.
As shown in Figure 1, a kind of filtering unit of fan with constant air quantity comprises blower fan 1, filter (not shown), and the fan controller of controlling rotation speed of fan, and fan controller comprises:
Being positioned at the filter output terminal is the information acquisition module for detection of wind speed of outlet air surface; The signal of information acquisition module collection is processed the message processing module of conversion; The information that obtains after processing according to message processing module is controlled the control Executive Module of described blower fan running; Controlling Executive Module is electrically connected to described blower fan.
Information acquisition module is pressure transducer 4, pressure transducer 4 is arranged at the outlet air surface of filter, by detecting the variation of stream pressure, determine the ventilation effect of filter, the wind speed by pressure transducer 4 Real-Time Monitoring filter outlet air surfaces in time transmits signal, the accuracy and the promptness that detect have been guaranteed, avoid causing detecting the speed governing of error effect blower fan due to manual operation, and owing to can timely signal being transmitted, guarantee the environmental quality of cleanroom.
Message processing module is pressure difference transmitter 3, and pressure difference transmitter is processed for the signals that pressure transducer 4 transmission are come and is converted to standardized electrical signal, is convenient to control Executive Module identification and carries out.
The control Executive Module is controller of fan 2, and controller of fan 2 is by receiving electrical signal, and the content-control blower fan 1 rotating speed raising and reduction according to electrical signal remains consistent by the air quantity of filter.
In addition, fan controller also comprises the warning device (not shown), and warning device can be audible-visual annunciator or buzzer siren etc., warning device is electrically connected to pressure difference transmitter 3, when the filter Resistance Value arrived peak, warning device sent signal, and the prompting user in time changes filter.
Working principle of the present invention is as follows:
As shown in Figure 2, pressure transducer 4 detects the resistance of filter outlet air surface in real time.When the resistance of filter changes, pressure transducer 4 passes to differential pressure pickup 3 with signal, by differential pressure pickup 3, signal is changed, and is passed to fan controller 2, rotating speed by 2 pairs of blower fans 1 of controller of fan is adjusted, and reaches the effect of constant wind quantity.When the Resistance Value that records when pressure transducer 4 reaches setting value, send alarm signal, reminding user is in time changed filter.
filtering unit of fan with constant air quantity disclosed by the invention, comprise blower fan, filter, and the fan controller of controlling described rotation speed of fan, described fan controller comprises: information acquisition module, message processing module and control Executive Module, wind speed by information acquisition module Real-Time Monitoring filter outlet air surface, in time signal is transmitted, by message processing module, collection signal is converted to standardized electrical signal transfer to controlling Executive Module, in time the wind speed of blower fan is adjusted according to the variation of outlet air surface wind speed, the detection error and the time lag that have produced when having avoided manual detection and operation, guaranteed the air quality of cleanroom, and overall process is by electrical control, need not manual operation, reduced workload, reduced simultaneously cost.
Be more than the description to the embodiment of the present invention, by the above-mentioned explanation to the disclosed embodiments, make related domain professional and technical personnel can realize or use the present invention.Multiple modification to these embodiments will be apparent concerning those skilled in the art, and General Principle as defined herein can be in the situation that do not break away from the spirit or scope of the present invention, realization in other embodiments.Therefore, the present invention will can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (6)
1. a filtering unit of fan with constant air quantity, is characterized in that, comprises blower fan, filter, and the fan controller of controlling described rotation speed of fan, and described fan controller comprises:
Be positioned at the information acquisition module for detection of wind speed of described filter output terminal;
The signal of described information acquisition module collection is processed the message processing module of conversion;
The information that obtains after processing according to described message processing module is controlled the control Executive Module of described blower fan running;
Described control Executive Module is electrically connected to described blower fan.
2. filtering unit of fan with constant air quantity according to claim 1, is characterized in that, described information acquisition module is pressure transducer.
3. filtering unit of fan with constant air quantity according to claim 2, is characterized in that, described message processing module is pressure difference transmitter.
4. according to claim 1-3 described filtering unit of fan with constant air quantities of any one, is characterized in that, described control Executive Module is the PLC controller.
5. filtering unit of fan with constant air quantity according to claim 4, is characterized in that, described fan controller also comprises with described pressure difference transmitter and is electrically connected to warning device.
6. filtering unit of fan with constant air quantity according to claim 5, is characterized in that, described warning device is audible-visual annunciator or buzzer siren.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103723827A CN103133426A (en) | 2011-11-22 | 2011-11-22 | Filter unit of air fan with constant air volume |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103723827A CN103133426A (en) | 2011-11-22 | 2011-11-22 | Filter unit of air fan with constant air volume |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103133426A true CN103133426A (en) | 2013-06-05 |
Family
ID=48493710
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011103723827A Pending CN103133426A (en) | 2011-11-22 | 2011-11-22 | Filter unit of air fan with constant air volume |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103133426A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104564743A (en) * | 2015-01-22 | 2015-04-29 | 天津大学 | Air returning type fan filter unit (FFU) below ceiling |
| CN104913457A (en) * | 2015-06-16 | 2015-09-16 | 杨志荣 | Air capacity control method of air purifying device and air purifying device |
| CN105783209A (en) * | 2014-12-22 | 2016-07-20 | Tcl空调器(中山)有限公司 | Air conditioner and control method thereof |
| CN107401528A (en) * | 2017-08-28 | 2017-11-28 | 江苏海纳空调净化设备有限公司 | A kind of closed type blower fan filtering unit |
| CN109289304A (en) * | 2018-09-25 | 2019-02-01 | 常州宏昇电子科技有限公司 | Filtering net cleaning condition detection method and device |
| CN110989471A (en) * | 2019-12-28 | 2020-04-10 | 江苏富泰净化科技股份有限公司 | FFU control method |
| CN113669867A (en) * | 2021-08-27 | 2021-11-19 | 万国数据服务有限公司 | Method for displaying air volume, refrigerating capacity and real-time energy efficiency ratio of air conditioner in real time |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5736823A (en) * | 1994-05-27 | 1998-04-07 | Emerson Electric Co. | Constant air flow control apparatus and method |
| US20030040269A1 (en) * | 2001-08-24 | 2003-02-27 | Hitachi, Ltd | Fan filter unit control system and clean room provided with same |
| TW564341B (en) * | 2002-02-20 | 2003-12-01 | First Int Computer Inc | Device and method to control the rotation speed of fan |
| CN101063455A (en) * | 2006-04-28 | 2007-10-31 | 协同工业有限公司 | A method and apparatus for maintaining air characteristics in an air ventilated facility using fan filter units |
| CN201839583U (en) * | 2010-11-12 | 2011-05-18 | 中国华录·松下电子信息有限公司 | Player capable of automatically regulating rotation speed of fan |
| CN201916230U (en) * | 2011-01-19 | 2011-08-03 | 杭州罗盟智能科技有限公司 | Intelligent ventilating fan |
| CN202315589U (en) * | 2011-11-22 | 2012-07-11 | 苏州市恩威特环境技术有限公司 | Filtering unit of fan with constant air quantity |
-
2011
- 2011-11-22 CN CN2011103723827A patent/CN103133426A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5736823A (en) * | 1994-05-27 | 1998-04-07 | Emerson Electric Co. | Constant air flow control apparatus and method |
| US20030040269A1 (en) * | 2001-08-24 | 2003-02-27 | Hitachi, Ltd | Fan filter unit control system and clean room provided with same |
| TW564341B (en) * | 2002-02-20 | 2003-12-01 | First Int Computer Inc | Device and method to control the rotation speed of fan |
| CN101063455A (en) * | 2006-04-28 | 2007-10-31 | 协同工业有限公司 | A method and apparatus for maintaining air characteristics in an air ventilated facility using fan filter units |
| CN201839583U (en) * | 2010-11-12 | 2011-05-18 | 中国华录·松下电子信息有限公司 | Player capable of automatically regulating rotation speed of fan |
| CN201916230U (en) * | 2011-01-19 | 2011-08-03 | 杭州罗盟智能科技有限公司 | Intelligent ventilating fan |
| CN202315589U (en) * | 2011-11-22 | 2012-07-11 | 苏州市恩威特环境技术有限公司 | Filtering unit of fan with constant air quantity |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105783209A (en) * | 2014-12-22 | 2016-07-20 | Tcl空调器(中山)有限公司 | Air conditioner and control method thereof |
| CN105783209B (en) * | 2014-12-22 | 2019-06-07 | Tcl空调器(中山)有限公司 | Air conditioner and its control method |
| CN104564743A (en) * | 2015-01-22 | 2015-04-29 | 天津大学 | Air returning type fan filter unit (FFU) below ceiling |
| CN104564743B (en) * | 2015-01-22 | 2017-02-22 | 天津大学 | Air returning type fan filter unit (FFU) below ceiling |
| CN104913457A (en) * | 2015-06-16 | 2015-09-16 | 杨志荣 | Air capacity control method of air purifying device and air purifying device |
| CN107401528A (en) * | 2017-08-28 | 2017-11-28 | 江苏海纳空调净化设备有限公司 | A kind of closed type blower fan filtering unit |
| CN109289304A (en) * | 2018-09-25 | 2019-02-01 | 常州宏昇电子科技有限公司 | Filtering net cleaning condition detection method and device |
| CN110989471A (en) * | 2019-12-28 | 2020-04-10 | 江苏富泰净化科技股份有限公司 | FFU control method |
| CN113669867A (en) * | 2021-08-27 | 2021-11-19 | 万国数据服务有限公司 | Method for displaying air volume, refrigerating capacity and real-time energy efficiency ratio of air conditioner in real time |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103133426A (en) | Filter unit of air fan with constant air volume | |
| CN108361916B (en) | Intelligent real-time air duct filter screen blockage degree judging system and method | |
| CN111111342B (en) | Filter assembly and filter screen filth blockage detection method | |
| CN205827221U (en) | A kind of dust free room monitoring system | |
| CN202315589U (en) | Filtering unit of fan with constant air quantity | |
| CN205608477U (en) | Ultra -clean toilet with automatic monitoring system | |
| CN207085941U (en) | A kind of hundred grades of Streamline cabinets of laboratory Intelligent adjustment | |
| CN205299842U (en) | From control air purification device | |
| CN201616951U (en) | Ion blower | |
| CN204283836U (en) | A kind of roots blower test system | |
| CN206191741U (en) | Disconnect -type automatic control purifier | |
| CN206073365U (en) | A kind of toilet air quality monitoring system | |
| CN104373337B (en) | A kind of roots blower test system | |
| CN205352900U (en) | Particulate matter concentration detection device reaches air conditioning equipment including device | |
| CN202257153U (en) | 10,000 degree clean workshop work monitor system | |
| CN109194737A (en) | A kind of Architectural Engineering Environment monitoring system | |
| CN107885158B (en) | Electrical control device of magnetic suspension high-speed centrifugal blower | |
| CN204338582U (en) | A kind of tantalum band finish-rolling device with thickness measure and warning device | |
| CN104075969A (en) | Dust detection and monitoring system for factory building | |
| CN204388260U (en) | With the clean bench of automatic blast velocity control | |
| CN204286483U (en) | Biohazard Safety Equipment Microprocessor-based Fan Monitor | |
| KR20170023661A (en) | Particle management system | |
| CN206377811U (en) | A kind of storehouse air handling system | |
| CN202690486U (en) | Intelligent dust collection fan frequency conversion and energy conservation control system | |
| CN205481556U (en) | Purify full -automatic all -round monitor control system of air conditioning unit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20130605 |