CN104110744A - Intelligent fresh air fan for removing PM2.5 - Google Patents

Intelligent fresh air fan for removing PM2.5 Download PDF

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Publication number
CN104110744A
CN104110744A CN201410281266.8A CN201410281266A CN104110744A CN 104110744 A CN104110744 A CN 104110744A CN 201410281266 A CN201410281266 A CN 201410281266A CN 104110744 A CN104110744 A CN 104110744A
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CN
China
Prior art keywords
air
intelligent fresh
casing
fresh air
air inlet
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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
Application number
CN201410281266.8A
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Chinese (zh)
Inventor
郑自力
冯海红
邓家伟
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shanghai Power Eco Japan Co Ltd Of Us
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Shanghai Power Eco Japan Co Ltd Of Us
Priority date (The priority date 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 date listed.)
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Publication date
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Priority to CN201410281266.8A priority Critical patent/CN104110744A/en
Publication of CN104110744A publication Critical patent/CN104110744A/en
Pending legal-status Critical Current

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Abstract

The invention provides an intelligent fresh air fan for removing PM2.5 and relates to the technical field of air purification. The intelligent fresh air fan for removing PM2.5 aims at achieving the technical purposes of improving the air purification effect and lowering energy consumption. The intelligent fresh air fan for removing PM2.5 comprises a box body and an air outlet pipe, a primary filter screen covering an air inlet of the box body is arranged on the box body, a draught fan is arranged in an air outlet of the box body, and an air delivery port of the draught fan is connected to the air outlet pipe through an air guide channel. An intermediate efficiency filter screen, a gas-phase purification filter molecular sieve and a high efficiency filer screen are arranged in an inner cavity of the box body at intervals in the direction from the air inlet to the air outlet. The box body is provided with a controller, and an air inlet fine particulate matter sensor and an air outlet fine particulate matter sensor are arranged in the air inlet and the air guide channel of the box body respectively, wherein the air inlet fine particulate matter sensor and the air outlet fine particulate matter sensor are connected with the controller. A control signal output port of the controller is connected to the control end of the draught fan. The intelligent fresh air fan for removing PM2.5 is suitable for conveying fresh air to an indoor environment.

Description

Intelligent fresh air ventilator except PM2.5
Technical field
The present invention relates to air purifying process, particularly relate to a kind of technology of the Intelligent fresh air ventilator except PM2.5.
Background technology
PM2.5 refers to that in atmosphere, diameter is less than or equal to the particle of 2.5 microns, also referred to as entering lung particle.Its diameter be less than people hairline thickness 1/20.Although PM2.5 is content component seldom in earth atmosphere composition, it has important impact to air quality and visibility etc.Compare with thicker Atmospheric particulates, PM2.5 particle diameter is little, is rich in a large amount of poisonous and harmful substances and the time of staying in atmosphere is long, fed distance is far away, thereby larger on the impact of health and atmosphere quality.
New blower fan is a kind of effective air cleaning facility, can make room air produce circulation, on the one hand that the Bas Discharged of indoor dirt is outdoor, on the other hand the sterilization of outdoor ozone process, sterilization, after the measures such as filtration, be input to again indoor, allowing in room is all fresh clean air all the time, the new new wind convection techniques of blower fan utilization, by autonomous air-supply and air inducing, make room air realize convection current, thereby that at utmost changes carries out room air displacement, new blower fan is all equipped with the multiple filter screen with air-cleaning function conventionally, guarantee to enter indoor air cleaning, make people's healthy environment of living.
In air, on fine particulates, often can adhere to some gas soluble organic compound; these gas soluble organic compound are principal elements of air peculiar smell; but existing new blower fan all adopts physical filtering mode to purify air; these are attached to the gas soluble organic compound on fine particulates in air to be difficult to filtering, so its air purification effect need to improve.In addition, existing new blower fan also cannot be adjusted resh air requirement according to outdoor air quality, and its energy consumption is also relatively high.
Summary of the invention
For the defect existing in above-mentioned prior art, technical problem to be solved by this invention is to provide a kind of good air purification effect, and the low Intelligent fresh air ventilator except PM2.5 of energy consumption.
In order to solve the problems of the technologies described above, a kind of Intelligent fresh air ventilator except PM2.5 provided by the present invention, comprise casing, discharge pipe, described casing integrally closed, on casing, offer an air inlet, an exhaust outlet, be equipped with a primary efficient filter screen that covers in its air inlet on casing, the exhaust outlet of casing is equipped with a blower fan, the air inlet of this blower fan is towards cabinets cavity, and the air outlet of blower fan is received discharge pipe through an air-guiding aisle;
It is characterized in that: in described cabinets cavity, from air inlet, towards exhaust outlet direction, be arranged at intervals with successively a medium air filtration net, a gas phase purifying filtration molecular sieve, a high efficiency particulate air;
One controller is housed on described casing, and the air inlet of casing is equipped with air intake fine particle sensor, and air-out fine particle sensor is housed in air-guiding aisle;
Described controller has a control signal output port and a plurality of signals collecting port, the control signal output port of controller is received the control end of blower fan, and the output of air intake fine particle sensor and air-out fine particle sensor is received respectively each signals collecting port of controller.
Further, described primary efficient filter screen is the stainless steel cloth below 100 orders.
Further, described primary efficient filter screen is 80 order stainless steel cloths.
Further, described medium air filtration net is pocket type nonwoven screen pack.
Further, it is a corrugated ventilative container that described gas phase purifying filters molecular sieve, is filled with gas phase purifying filter material in it.
Further, described high efficiency particulate air is the HEPA screen pack of a glass fibre material, and its filter efficiency value is H13.
Intelligent fresh air ventilator except PM2.5 provided by the invention, adopt physics and chemistry double filtration, realization is filtered and decomposes the gentle soluble organic compound of solid particulate matter in outdoor air, and can be according to new wind air inlet quality timely adjustment rotation speed of fan, can save operation energy consumption, have the advantages that good air purification effect and energy consumption are low.
Accompanying drawing explanation
Fig. 1 is the structural representation of the Intelligent fresh air ventilator except PM2.5 of the embodiment of the present invention.
The specific embodiment
Below in conjunction with accompanying drawing explanation, embodiments of the invention are described in further detail, but the present embodiment is not limited to the present invention, every employing analog structure of the present invention and similar variation thereof, all should list protection scope of the present invention in.
As shown in Figure 1, a kind of Intelligent fresh air ventilator except PM2.5 that the embodiment of the present invention provides, comprise casing 1, discharge pipe 2, described casing 1 integrally closed, on casing 1, offer an air inlet, an exhaust outlet, be equipped with a primary efficient filter screen 3 that covers in its air inlet on casing 1, the exhaust outlet of casing 1 is equipped with a blower fan 7, the air inlet of this blower fan 7 is towards cabinets cavity, and the air outlet of blower fan 7 is received discharge pipe 2 through an air-guiding aisle;
It is characterized in that: in described casing 1 inner chamber, from air inlet, towards exhaust outlet direction, be arranged at intervals with successively a medium air filtration net 4, a gas phase purifying filtration molecular sieve 5, a high efficiency particulate air 6;
One controller 10 is housed on described casing 1, and the air inlet of casing 1 is equipped with air intake fine particle sensor 8, and air-out fine particle sensor 9 is housed in air-guiding aisle;
Described controller 10 has a control signal output port and a plurality of signals collecting port, the control signal output port of controller is received the control end of blower fan 7, and the output of air intake fine particle sensor 8 and air-out fine particle sensor 9 is received respectively each signals collecting port of controller 10.
In the embodiment of the present invention, described primary efficient filter screen 3 is the stainless steel cloths below 100 orders, is preferably 80 order stainless steel cloths, for the bulky grain thing of filtering air intake, 2.5 microns of above Removal efficiency of particulate matters of diameter is greater than to 70%.
In the embodiment of the present invention, described medium air filtration net 4 is pocket type nonwoven screen pack, has the characteristic that dust containing capacity is large, and 1.0 microns of above Removal efficiency of particulate matters of diameter are greater than to 90%.
In the embodiment of the present invention, it is corrugated ventilative containers that described gas phase purifying filters molecular sieve 5, is filled with gas phase purifying filter material in it, has the characteristic that air contact-making surface is large, and the clearance of degasification dissolubility organic volatile is greater than to 90%.
In the embodiment of the present invention, described high efficiency particulate air 6 be a glass fibre material reach HEPA(High efficiency particulate air Filter) the HEPA screen pack of standard, its filter efficiency value is H13, and the Removal efficiency of particulate matter of 0.3 micron of diameter is reached to 99.%.
In the embodiment of the present invention, described blower fan 7 is brush DC BI centrifugal blower, and its power is 80 watts, and rated speed 2800 turns, 1160 cubes ms/h of air quantity, 67 decibels of noises.
In the embodiment of the present invention, described casing is that tank wall thickness is 1 millimeter of above stainless steel casing.
The operation principle of the embodiment of the present invention is as follows:
Under the dynamic action of blower fan 7, the air inlet inlet box intracoelomic cavity from casing 1 that outdoor new wind continues, by air-guiding aisle and discharge pipe 2, enter indoor environment again, in new wind flow process, first by primary efficient filter screen 3 filtering diameters, be greater than 2.5 microns of above particles, by medium air filtration net 4 filtering diameters, be greater than 1.0 microns of above particles again, and then filter molecular sieve 5 filtering oxynitrides by gas phase purifying, the gentle soluble organic compound of oxysulfide, and then the particle that is greater than 0.3 micron by high efficiency particulate air 6 filtering diameters, thereby obtain clean new wind,
Controller 10 is by the fine particle content in air intake fine particle sensor 8 and air-out fine particle sensor 9 Real-time Collection air intakes and air-out, and according to the rotating speed of the particle content timely adjustment blower fan in air intake, make particle content in air-out reach 10 micrograms/below cubic meter.
The laboratory detection result of the embodiment of the present invention is as follows:
1) according to the method for Natural Attenuation, the Intelligent fresh air ventilator except PM2.5 of the embodiment of the present invention is put into 30 cubic metres of test chambers, by particle source of release cigarette lighter and put into test chamber, then open fan, particle source of release is mixed with air in test chamber, then close fan test initial concentration, and then unlatching is except the blower fan of the Intelligent fresh air ventilator of PM2.5, sample and measure the particle concentration in test chamber at interval of a period of time, analysis result, tries to achieve the complete attenuation constant k e of particle by Inct and t do linear regression;
The Intelligent fresh air ventilator that removes PM2.5 is removed pure air amount 209.9 m3/h of 0.3 micron of above particle, clearance 99%, and purification efficiency is 2.41m3/ (h*W), purifying efficiency grade is A level.
Concrete examinations method is according to GB/T18801-2008 < < air purifier > >.
2) in actual use the Intelligent fresh air ventilator except PM2.5 of the embodiment of the present invention is detected, use PM2.5 detector (hand-held PM2.5 tacheometer " Sai Nawei CW-HAT200 ") to detect its air inlet, Unit Weight 150 microgram/cubic meters of PM2.5, air outlet to the Intelligent fresh air ventilator except PM2.5 detects, Unit Weight 3 microgram/cubic meters of PM2.5, reach criterion value 10 microgram/cubic meters that year < < air quality criteria > > of the World Health Organization (WTO)/2005 requires.
3) nitrogen oxide removal efficiency laboratory report
Detection is carried out in 30m3 test chamber, and nitrogen dioxide initial concentration is controlled within the scope of 2.4 ± 0.48mg/m3,1 hour detection time, test chamber condition: volume 30m3, temperature 23-26 ℃, humidity 45-55%RH.
When nitrogen dioxide clearance detects, in test chamber, discharge nitrogen dioxide, then open fan, pollutant is mixed with air in test chamber, after closing fan, test initial concentration, then open except the blower fan in the Intelligent fresh air ventilator of PM2.5,1 hour testing time, initial concentration is 2.6mg/m3, within 1 hour, Natural Attenuation 6%, stopping concentration is 0.022 mg/m3, and the pollutants removal rate computing formula in experiment is: pollutants removal rate=[(initial concentration-termination concentration) ÷ initial concentration] * 100%.
Test result: nitrogen dioxide clearance is 98%;
Concrete examinations method is according to GB/3095-1996.

Claims (6)

1. the Intelligent fresh air ventilator except PM2.5, comprise casing, discharge pipe, described casing integrally closed, on casing, offer an air inlet, an exhaust outlet, on casing, be equipped with a primary efficient filter screen that covers in its air inlet, the exhaust outlet of casing is equipped with a blower fan, and the air inlet of this blower fan is towards cabinets cavity, and the air outlet of blower fan is received discharge pipe through an air-guiding aisle;
It is characterized in that: in described cabinets cavity, from air inlet, towards exhaust outlet direction, be arranged at intervals with successively a medium air filtration net, a gas phase purifying filtration molecular sieve, a high efficiency particulate air;
One controller is housed on described casing, and the air inlet of casing is equipped with air intake fine particle sensor, and air-out fine particle sensor is housed in air-guiding aisle;
Described controller has a control signal output port and a plurality of signals collecting port, the control signal output port of controller is received the control end of blower fan, and the output of air intake fine particle sensor and air-out fine particle sensor is received respectively each signals collecting port of controller.
2. the Intelligent fresh air ventilator except PM2.5 according to claim 1, is characterized in that: described primary efficient filter screen is the stainless steel cloth below 100 orders.
3. the Intelligent fresh air ventilator except PM2.5 according to claim 2, is characterized in that: described primary efficient filter screen is 80 order stainless steel cloths.
4. the Intelligent fresh air ventilator except PM2.5 according to claim 1, is characterized in that: described medium air filtration net is pocket type nonwoven screen pack.
5. the Intelligent fresh air ventilator except PM2.5 according to claim 1, is characterized in that: it is a corrugated ventilative container that described gas phase purifying filters molecular sieve, is filled with gas phase purifying filter material in it.
6. the Intelligent fresh air ventilator except PM2.5 according to claim 1, is characterized in that: described high efficiency particulate air is the HEPA screen pack of a glass fibre material, and its filter efficiency value is H13.
CN201410281266.8A 2014-06-20 2014-06-20 Intelligent fresh air fan for removing PM2.5 Pending CN104110744A (en)

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Application Number Priority Date Filing Date Title
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Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410281266.8A CN104110744A (en) 2014-06-20 2014-06-20 Intelligent fresh air fan for removing PM2.5

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106731324A (en) * 2016-11-14 2017-05-31 广东美的制冷设备有限公司 Purifier and detergent power fail-ure criterion method
CN104697129B (en) * 2015-03-19 2017-09-12 浙江科力鑫环境设备科技有限公司 A kind of VMC and its control method

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04108507A (en) * 1990-08-28 1992-04-09 Fujitsu Ltd Hepa box
US20050031503A1 (en) * 2003-08-05 2005-02-10 Fox Michael T. Air ionization control
CN103615766A (en) * 2013-12-04 2014-03-05 南京石化环保产业有限公司 Indoor dynamic air disinfecting machine
CN103644600A (en) * 2013-12-09 2014-03-19 中国建筑科学研究院 Intelligent purifying and bacteriostatic air processing unit
CN103743056A (en) * 2014-01-14 2014-04-23 赵磊 Fresh air ventilator with PM (particulate matter) 2.5 filtering function

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04108507A (en) * 1990-08-28 1992-04-09 Fujitsu Ltd Hepa box
US20050031503A1 (en) * 2003-08-05 2005-02-10 Fox Michael T. Air ionization control
CN103615766A (en) * 2013-12-04 2014-03-05 南京石化环保产业有限公司 Indoor dynamic air disinfecting machine
CN103644600A (en) * 2013-12-09 2014-03-19 中国建筑科学研究院 Intelligent purifying and bacteriostatic air processing unit
CN103743056A (en) * 2014-01-14 2014-04-23 赵磊 Fresh air ventilator with PM (particulate matter) 2.5 filtering function

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104697129B (en) * 2015-03-19 2017-09-12 浙江科力鑫环境设备科技有限公司 A kind of VMC and its control method
CN106731324A (en) * 2016-11-14 2017-05-31 广东美的制冷设备有限公司 Purifier and detergent power fail-ure criterion method

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Application publication date: 20141022