CN1477387A - Indoor air detection and purifying equipment - Google Patents

Indoor air detection and purifying equipment Download PDF

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Publication number
CN1477387A
CN1477387A CNA031170773A CN03117077A CN1477387A CN 1477387 A CN1477387 A CN 1477387A CN A031170773 A CNA031170773 A CN A031170773A CN 03117077 A CN03117077 A CN 03117077A CN 1477387 A CN1477387 A CN 1477387A
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China
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gas
micronic dust
signal
change
air
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Pending
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CNA031170773A
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Chinese (zh)
Inventor
连之伟
刘红敏
文远高
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Shanghai Jiaotong University
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Shanghai Jiaotong University
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Priority to CNA031170773A priority Critical patent/CN1477387A/en
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Abstract

The present invention relates to an indoor air detection and purifying equipment capable of simultaneously delecting and cleaning microdust and volatile organic gas. It adopts a primary filter to filter the microdust with larger grain size, and adopts a high-efficiency filter to effectively eliminate the granular material with above 0.3 micrometer and adopts a gas catalytic adsorption and decomposition filter to adsorb and catalytically decompose volatile organic gas in the air flow so as to attain the goal of purifying indoor air.

Description

Room air detects, purification plant
Technical field
What the present invention relates to is a kind of indoor air-purification device, particularly is applicable to the micronic dust in the little space of purification and room air detection, the purification plant of volatile organic gaseous contamination thing.On the basis of detecting indoor air quality, come micronic dust and volatile organic gaseous contamination thing in the decontamination chamber by regulating corresponding air cleaning facility, belong to Building Environment and Equipment Engineering and air-conditioning and Refrigeration Engineering technical field.
Background technology
In order to reduce the operation of air conditioner energy consumption, impermeability has been strengthened in modern buildings and removable little space, reduced ventilation, add the widespread use of organic synthesis material aspect decoration and equipment apparatus, cause indoor volatile organic compounds gas to distribute in a large number, severe exacerbation indoor air quality.Because the leakproofness of building and the finiteness of space, the concentration of indoor pollutant is usually than outdoor height, even seriously exceeds the countries concerned's standard.People average every day at indoor time ratio of spending outdoor much longer, so indoor air quality all can produce direct influence to people's physical and mental health, comfort and work efficiency.In closed environment, effective measures improving indoor air quality adopt air cleaning unit to purify air exactly, and pollutant levels are in the health allowed band in the reduction air.Have only and reduced the indoor pollution substrate concentration, simultaneously when indoor environment is in the thermal comfort scope, people's health that just can feel comfortably cool.
Air conditioning purge device at present commonly used all uses with respect to a certain particular space usually, and volume is bigger than normal, is not easy to carry, and not have well to detect the function of controlling indoor environment, and is not very high to the purification efficiency of low concentration pollutant, and serviceable life is short partially.The physical chemistry structural behaviour of the scavenging material that the air conditioning purge device uses affects purification efficiency to a great extent, so select suitable material for core extremely important.Main low concentration pollutant has good removal effect in the filter core reply room air, and ubiquitous light concentration gas pollutant is had certain removal effect, and require the gas flow resistance little so that energy-conservation, good moldability.
In existing technology, application number is 93222819, and name is called the patent of invention of " a kind of air cleaning unit of handling organic exhaust gas ", mainly is at the higher organic pollutant of concentration, to light concentration gas and improper.Application number is 94207705, name is called the patent of invention of " the high-efficiency activated carbon filter of air purifier ", the used scavenging material of this clarifier exists serviceable life short, and the shortcoming that detergent power is limited is not fine to the clean-up effect of indoor low concentration pollutant.Also having application number in addition is 97104191.1, and name is called the patent of invention of " indoor air-purifier ", mainly is that ozone and the negative ion that utilizes glow discharge to produce realized the harmless and purification of indoor environment, different with the method that patent of the present invention is used.
Summary of the invention
Be deficiency and the defective that overcomes prior art, the present invention designs and a kind ofly can detect simultaneously, the purification plant of micronic dust and organic gaseous contamination thing in the decontamination chamber.By the judgment value to interior space air pollution degree, the running status of blower fan is created a kind of indoor environment of health thereby purify the air of a room in the control air cleaning unit.
This air cleaning unit is mainly decomposed filtrator, low noise blower fan, power supply, controller, air out grid and display screen etc. and is formed by air intake grid, roughing efficiency air filter, efficient micronic filter, gas catalysis absorption.In the process that purifies air, roughing efficiency air filter filters the bigger micronic dust of particle diameter, and efficient micronic filter adopts high-level efficiency particulate air filter material, can effectively remove the above particle of 0.3 μ m.Roughing efficiency air filter and efficient micronic filter not only can effectively filter out harmful micronic dust, and the performance of decomposing filtrator is adsorbed in blanket gas catalysis to a certain extent.Air-flow decomposes filtrator through gas catalysis absorption then, can adsoption catalysis decomposes the micro-volatile organic gas in the air-flow, thereby reaches the purpose that purifies air.
The display screen of this device has the function of display room environment pollution degree.The healthy concentration standard of indoor low concentration dusty gas is according to the CNS of relevant indoor environment.Air detection, purification plant are measured indoor micronic dust and volatile organic gas concentration parameter by two environmental sensors, and the signal that spreads out of of these parameters is transferred to controller then.If indoor environment is in the healthy scope, then controller sends control signal, do not move air cleaning unit, the energy avoids waste, otherwise controller sends the operational mode of signal controlling blower fan, determine to handle the size of air quantity, at this moment demonstrate the micronic dust of prevailing circumstances and the concentration value of gas pollutant on the display.The purification filter core of gas catalysis absorption decomposition filtrator is made of chemically treated carbon fiber scavenging material in this detection, the purification plant, purify experiment and show that this material has good catalysis absorption removal effect to indoor main gas pollutant, other ubiquitous light concentration gas pollutant there is certain absorption removal effect, long service life, adsorption capacity is big, be a kind of good filtering material, and reduced the volume of air cleaning unit to a certain extent.
This air detection, purification plant volume are little, are easy to carry direct air pollution degree in the display room, energy savings.The scavenging material life-span of using is long, purification capacity is big, not only energy savings but also effectively purified room air.
Description of drawings and the present invention specifically implement
Fig. 1 is that room air detects, purification plant structural principle block diagram;
Fig. 2 is that room air detects, purification plant controller architecture block diagram;
1 is the air intake grid among the figure, the 2nd, roughing efficiency air filter, the 3rd, efficient micronic filter, the 4th, filtrator is decomposed in gas catalysis absorption, the 5th, the low noise blower fan, the 6th, power supply, the 7th, frequency converter, the 8th, controller, the 9th, the air out grid, the 10th, LCDs, the 11st, micronic dust sensor, the 12nd, gas sensor, the 13rd, the micronic dust signal amplification circuit, the 14th, gas signal amplifying circuit, the 15th, micronic dust signal A/D change-over circuit, the 16th, gas signal A/D change-over circuit, the 17th, the micronic dust differential pressure pickup, the 18th, gas differential pressure sensor, the 19th, micronic dust pressure difference signal amplifying circuit, the 20th, gas differential pressure signal amplification circuit, the 21st, micronic dust pressure difference signal A/D change-over circuit, the 22nd, gas differential pressure signal A/D change-over circuit, the 23rd, multi-channel a/d converter, the 24th, E 2ROM, the 25th, CPU process chip, the 26th, D/A converter.
Below in conjunction with accompanying drawing concrete enforcement of the present invention is further described.
As shown in Figure 1, the present invention mainly comprises air intake grid 1, roughing efficiency air filter 2, efficient micronic filter 3, gas catalysis absorption decomposition filtrator 4, low noise blower fan 5, power supply 6, frequency converter 7, controller 8, air out grid 9 and LCDs 10 etc.
The outlet of air intake grid 1 is connected with the import of roughing efficiency air filter 2, the outlet of roughing efficiency air filter 2 is connected with the import of efficient micronic filter 3, the outlet of efficient micronic filter 3 is connected with the import that filtrator 4 is decomposed in gas catalysis absorption, the outlet that filtrator 4 is decomposed in gas catalysis absorption is connected with the air inlet of low noise blower fan 5, and the air outlet of low noise blower fan 5 is connected with air out grid 9.Power supply 6, frequency converter 7 partly are electrically connected with the motor of low noise blower fan 5, and controller 8 is electrically connected with frequency converter 7 and LCDs 10.
Vitiated air enters roughing efficiency air filter 2 by air intake grid 1, filter the bigger micronic dust of particle diameter, enter efficient micronic filter 3 then, can effectively remove the above particle micronic dust of 0.3 μ m, enter gas catalysis absorption again and decompose filtrator 4, the micro-volatile organic gas in the air-flow is decomposed in adsoption catalysis, and the clean air after the purification is sent by air out grid 9 by blower fan 5.
As shown in Figure 2, controller 8 mainly comprises micronic dust sensor 11, gas sensor 12, micronic dust signal amplification circuit 13, gas signal amplifying circuit 14, micronic dust signal A/D change-over circuit 15, gas signal A/D change-over circuit 16, micronic dust differential pressure pickup 17, gas differential pressure sensor 18, micronic dust pressure difference signal amplifying circuit 19, gas differential pressure signal amplification circuit 20, micronic dust pressure difference signal A/D change-over circuit 21, gas differential pressure signal A/D change-over circuit 22, multi-channel a/d converter 23, E 2ROM 24, CPU process chip 25, D/A converter 26 etc.
The output terminal of micronic dust sensor 11, gas sensor 12 is connected with the input end of micronic dust signal amplification circuit 13, gas signal amplifying circuit 14 respectively, and the output terminal of micronic dust signal amplification circuit 13, gas signal amplifying circuit 14 links to each other with the input end of micronic dust signal A/D change-over circuit 15, gas signal A/D change-over circuit 16 respectively.The output terminal of micronic dust differential pressure pickup 17, gas differential pressure sensor 18 is connected with the input end of micronic dust pressure difference signal amplifying circuit 19, gas differential pressure signal amplification circuit 20 respectively, and the output terminal of micronic dust pressure difference signal amplifying circuit 19, gas differential pressure signal amplification circuit 20 is connected with the input end of micronic dust pressure difference signal A/D change-over circuit 21, gas differential pressure signal A/D change-over circuit 22 respectively.The output terminal of micronic dust signal A/D change-over circuit 15, gas signal A/D change-over circuit 16, micronic dust pressure difference signal A/D change-over circuit 21, gas differential pressure signal A/D change-over circuit 22 links to each other with the input end of multi-channel a/d converter 23, the output terminal of multi-channel a/d converter 23 is connected with the input end of CPU process chip 25, and the output terminal of CPU process chip 25 is connected with the input end of LCD 10 with D/A converter 26 respectively.Simultaneously, E 2The output terminal of ROM 24 is connected with the input end of CPU process chip 25.The output terminal of D/A converter 26 is connected with the input end of frequency converter 7, and the output terminal of frequency converter 7 is connected with low noise blower fan 5.
Micronic dust sensor 11, gas sensor 12 detect micronic dust concentration value and volatile organic gas concentration value in the room air respectively, amplify by micronic dust signal amplification circuit 13, gas signal amplifying circuit 14, carry out analog to digital conversion by micronic dust signal A/D change-over circuit 15, gas signal A/D change-over circuit 16 again, is analog signal conversion digital signal, give CPU process chip 25 through interface circuit A/D converter 23 together again, call E simultaneously 2The judgement calculation procedure that solidifies among the ROM24 carries out computing, if indoor environment satisfies national standard, then can not move this clarifier, demonstrates environment value on the LCD 10; Otherwise, handle the output digital signal by CPU process chip 25, adjust simulating signal through D/A converter 26 outputs, simulating signal is input to frequency converter 7, and air cleaning unit brings into operation.Simultaneously, micronic dust sensor 11, gas sensor 12 work on, and indoor environment health status is fed back in the indoor air-purification device controller, continue the monitoring feedback information.
Micronic dust differential pressure pickup 17, gas differential pressure sensor 18 detect the pressure difference of efficient micronic filter 3 and gas catalysis absorption decomposition filtrator 4 respectively, pairing signal amplifies by micronic dust pressure difference signal amplifying circuit 19, gas differential pressure signal amplification circuit 20, carry out analog to digital conversion by micronic dust pressure difference signal A/D change-over circuit 21, gas differential pressure signal A/D change-over circuit 22 again, is analog signal conversion digital signal, give CPU process chip 25 through interface circuit A/D converter 23 together again, call E simultaneously 2The judgement calculation procedure that solidifies among the ROM24 carries out computing, if two pressure differences satisfy standard, then can continue to use, otherwise, should change filter core, show the more order of renew cartridge on the LCD 10.
Micronic dust sensor 11, gas sensor 12 are formed a multiple spot probe can be arranged on the indoor air-purification device hull outside.Micronic dust differential pressure pickup 17, gas differential pressure sensor 18 are placed on the both sides of efficient micronic filter 3 and gas catalysis absorption decomposition filtrator 4 respectively.LCD 10 is installed on this device panel, can show the third gear pollution level of indoor environment: the time of pollution-free, light pollution, heavily contaminated and replacing filtering material.

Claims (2)

1. a room air detects, purification plant, mainly comprise air intake grid (1), roughing efficiency air filter (2), efficient micronic filter (3), filtrator (4) is decomposed in gas catalysis absorption, low noise blower fan (5), power supply (6), frequency converter (7), controller (8), air out grid (9) and LCDs (10) etc., it is characterized in that this device can detect simultaneously, micronic dust concentration and volatile organic gas in the decontamination chamber, the outlet of air intake grid (1) is connected with the import of roughing efficiency air filter (2), the outlet of roughing efficiency air filter (2) is connected with the import of efficient micronic filter (3), the outlet of efficient micronic filter (3) is connected with the import that filtrator (4) is decomposed in gas catalysis absorption, the outlet that filtrator (4) is decomposed in gas catalysis absorption is connected with the air inlet of low noise blower fan (5), the air outlet of low noise blower fan (5) is connected with air out grid (9), power supply (6), frequency converter (7) partly is electrically connected with the motor of low noise blower fan 5, and controller (8) is electrically connected with frequency converter (7) and LCDs (10).
2. room air according to claim 1 detects, purification plant, its feature are that also controller (8) mainly comprises micronic dust sensor (11), gas sensor (12), micronic dust signal amplification circuit (13), gas signal amplifying circuit (14), micronic dust signal A/D change-over circuit (15), gas signal A/D change-over circuit (16), micronic dust differential pressure pickup (17), gas differential pressure sensor (18), micronic dust pressure difference signal amplifying circuit (19), gas differential pressure signal amplification circuit (20), micronic dust pressure difference signal A/D change-over circuit (21), gas differential pressure signal A/D change-over circuit (22), multi-channel a/d converter (23), E 2ROM (24), CPU process chip (25), D/A converter (26) etc., micronic dust sensor (11), the output terminal of gas sensor (12) respectively with micronic dust signal amplification circuit (13), the input end of gas signal amplifying circuit (14) connects, micronic dust signal amplification circuit (13), the output terminal of gas signal amplifying circuit (14) respectively with micronic dust signal A/D change-over circuit (15), the input end of gas signal A/D change-over circuit (16) links to each other, micronic dust differential pressure pickup (17), the output terminal of gas differential pressure sensor (18) respectively with micronic dust pressure difference signal amplifying circuit (19), the input end of gas differential pressure signal amplification circuit (20) connects, micronic dust pressure difference signal amplifying circuit (19), the output terminal of gas differential pressure signal amplification circuit (20) respectively with micronic dust pressure difference signal A/D change-over circuit (21), the input end of gas differential pressure signal A/D change-over circuit (22) connects, micronic dust signal A/D change-over circuit (15), gas signal A/D change-over circuit (16), micronic dust pressure difference signal A/D change-over circuit (21), the output terminal of gas differential pressure signal A/D change-over circuit (22) links to each other with the input end of multi-channel a/d converter (23), the output terminal of multi-channel a/d converter (23) is connected with the input end of CPU process chip (25), the output terminal of CPU process chip (25) is connected with the input end of LCD (10) with D/A converter (26) respectively, simultaneously, E 2The output terminal of ROM (24) is connected with the input end of CPU process chip (25), and the output terminal of D/A converter (26) is connected with the input end of frequency converter (7), and the output terminal of frequency converter (7) is electrically connected with low noise blower fan (5).
CNA031170773A 2003-05-22 2003-05-22 Indoor air detection and purifying equipment Pending CN1477387A (en)

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Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100364795C (en) * 2004-06-21 2008-01-30 丰田自动车株式会社 Dust reducing apparatus for vehicle
CN100455925C (en) * 2004-11-30 2009-01-28 乐金电子(天津)电器有限公司 Air purifier with gas sensor and method for detecting pollution degree
CN102038968A (en) * 2009-10-14 2011-05-04 王玲玲 Indoor air purifier capable of controlling concentration of pollutants and purifying method thereof
CN102303724A (en) * 2011-09-14 2012-01-04 南京乐惠轻工装备制造有限公司 Air purifier applied in filling production line of draught beer can
CN102353100A (en) * 2011-09-21 2012-02-15 山东大学 Automatic shifting air purifier and working method thereof
CN102381671A (en) * 2011-09-14 2012-03-21 南京乐惠轻工装备制造有限公司 Air purifying device for glass bottled draught beer filling line
CN104006456A (en) * 2014-06-10 2014-08-27 宁波市蕾蒙电器有限公司 Indoor air purifier
CN104502438A (en) * 2014-12-16 2015-04-08 广东美的制冷设备有限公司 Detection method and device of air quality
CN104676853A (en) * 2015-02-12 2015-06-03 福建工程学院 Indoor air intelligent detection and purification device
CN104849182A (en) * 2014-02-14 2015-08-19 莱克电气绿能科技(苏州)有限公司 Digital display structure used for air purifier and air purifier
CN105403493A (en) * 2015-12-09 2016-03-16 成都翰道科技有限公司 An intelligent monitoring system used for an air cleaner
CN105547940A (en) * 2015-12-09 2016-05-04 成都翰道科技有限公司 Shaping type intelligent monitoring system based on signal adjusting circuit and used for air purifier
CN105605732A (en) * 2015-12-23 2016-05-25 广东美博制冷设备有限公司 Air-conditioner dust displaying and alarming device
CN107433079A (en) * 2017-07-31 2017-12-05 芜湖凯尔电气科技有限公司 Room air detects purifier
CN108254417A (en) * 2018-01-04 2018-07-06 广东美的制冷设备有限公司 Air detecting device, Detection of Air Quality method and computer readable storage medium
CN113218830A (en) * 2021-04-21 2021-08-06 苏州尚阳信息技术有限公司 A micronic dust detects sensor for semiconductor wafer detects workshop

Cited By (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100364795C (en) * 2004-06-21 2008-01-30 丰田自动车株式会社 Dust reducing apparatus for vehicle
CN100455925C (en) * 2004-11-30 2009-01-28 乐金电子(天津)电器有限公司 Air purifier with gas sensor and method for detecting pollution degree
CN102038968A (en) * 2009-10-14 2011-05-04 王玲玲 Indoor air purifier capable of controlling concentration of pollutants and purifying method thereof
CN102038968B (en) * 2009-10-14 2014-07-23 王玲玲 Indoor air purifier capable of controlling concentration of pollutants and purifying method thereof
CN102303724A (en) * 2011-09-14 2012-01-04 南京乐惠轻工装备制造有限公司 Air purifier applied in filling production line of draught beer can
CN102381671A (en) * 2011-09-14 2012-03-21 南京乐惠轻工装备制造有限公司 Air purifying device for glass bottled draught beer filling line
CN102353100A (en) * 2011-09-21 2012-02-15 山东大学 Automatic shifting air purifier and working method thereof
CN102353100B (en) * 2011-09-21 2013-07-24 山东大学 Working method of automatic shifting air purifier
CN104849182A (en) * 2014-02-14 2015-08-19 莱克电气绿能科技(苏州)有限公司 Digital display structure used for air purifier and air purifier
CN104006456A (en) * 2014-06-10 2014-08-27 宁波市蕾蒙电器有限公司 Indoor air purifier
CN104502438A (en) * 2014-12-16 2015-04-08 广东美的制冷设备有限公司 Detection method and device of air quality
CN104502438B (en) * 2014-12-16 2017-12-29 广东美的制冷设备有限公司 The detection method and device of air quality
CN104676853A (en) * 2015-02-12 2015-06-03 福建工程学院 Indoor air intelligent detection and purification device
CN105403493A (en) * 2015-12-09 2016-03-16 成都翰道科技有限公司 An intelligent monitoring system used for an air cleaner
CN105547940A (en) * 2015-12-09 2016-05-04 成都翰道科技有限公司 Shaping type intelligent monitoring system based on signal adjusting circuit and used for air purifier
CN105605732A (en) * 2015-12-23 2016-05-25 广东美博制冷设备有限公司 Air-conditioner dust displaying and alarming device
CN107433079A (en) * 2017-07-31 2017-12-05 芜湖凯尔电气科技有限公司 Room air detects purifier
CN108254417A (en) * 2018-01-04 2018-07-06 广东美的制冷设备有限公司 Air detecting device, Detection of Air Quality method and computer readable storage medium
CN113218830A (en) * 2021-04-21 2021-08-06 苏州尚阳信息技术有限公司 A micronic dust detects sensor for semiconductor wafer detects workshop

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