CN102955039A - Automatic real-time ambient air quality monitoring system and its preparation method - Google Patents

Automatic real-time ambient air quality monitoring system and its preparation method Download PDF

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Publication number
CN102955039A
CN102955039A CN201110235966XA CN201110235966A CN102955039A CN 102955039 A CN102955039 A CN 102955039A CN 201110235966X A CN201110235966X A CN 201110235966XA CN 201110235966 A CN201110235966 A CN 201110235966A CN 102955039 A CN102955039 A CN 102955039A
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ambient air
air quality
monitoring
real
micro
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CN201110235966XA
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聂富强
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BEIJING HUAKAIRUI MICROFLUIDIC CHIP TECHNOLOGY Co Ltd
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BEIJING HUAKAIRUI MICROFLUIDIC CHIP TECHNOLOGY Co Ltd
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Publication of CN102955039A publication Critical patent/CN102955039A/en
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Abstract

The invention relates to an automatic real-time ambient air quality monitoring system and its preparation method. The core component of the system is a microfluidic chip platform, which integrates high-throughput data acquisition, information processing and transmission, automated analysis and monitoring, network remote control and other key functional units, thus forming a micro-total chip analysis system. On the chip analysis system platform, four core technologies, i.e. integration, multi-functionalization, analysis detection and networking are integrated. The automatic real-time ambient air quality monitoring system takes a microcomputer central processing system as the center to control each analysis monitoring point, and achieves the functions of routine monitoring, emergency treatment and early warning on ambient air through physical, chemical, biological or other analysis means.

Description

A kind of ambient air quality auto-real-time monitoring system and preparation method thereof
Technical field
The present invention relates to a kind of ambient air quality auto-real-time monitoring system based on the micro-fluidic chip technology, this system takes full advantage of micro-fluidic chip and is easy to the characteristics that each functional unit is integrated, with integrated form, multifunction, analyzing and testing, four core technologies of networking are incorporated on the small-sized micro-fluidic chip platform, pass through physics, chemistry or bioanalysis means, integrate the high flux data acquisition, information processing and transmission, the functional units such as automated analysis and monitoring and network remote control, form the chip micro-total analysis system, ambient air quality is analyzed and monitored.
Background technology
Along with the socioeconomic excessive exploitation that develops rapidly with environmental resource, the ambient air quality pollution problem is day by day serious.Based on the situation of environmental pollution and the deterioration of the ecological environment of present sternness, and the harmfulness of a lot of environment accidents, country and the protection of common people's growing interest ambient air quality, routine monitoring and pre-alarm and prevention.Yet, the automatic monitoring system of high-quality and pollution source real-time online continuous monitor system but very lack, mostly China's environmental air quality monitor device is that medium and small sized enterprises produce, product concentrates on low and middle-grade water quality monitoring instruments substantially, far can not adapt to the needs of the monitoring of present ambient air quality, emergent and early warning job development.Development environment air quality monitoring instrument and equipment thereof conventional and accident are to realize the monitoring technology modernization, and the important guarantee of accurate information is provided for environmental protection, public health and sustainable economic development.Atmosphere quality automatic monitor system partly is comprised of monitoring sub-station, center calculation unit room, quality assurance laboratory and system support laboratory etc. at present.Monitoring sub-station mainly is comprised of sample collection, air automatic analyzer, meteorologic parameter sensor, dynamic auto calibration system, data acquisition and transmission system and condition assurance system etc.The center calculation unit room is collected Monitoring Data and the equipment working state information of each substation by wired or wireless communication apparatus.The quality assurance laboratory is demarcated, is calibrated and examine the used monitoring equipment of system; Instrument and equipment after the maintenance is calibrated post-installation review with the key technical indexes; The measure of the relevant monitoring quality control of Establishment and implement system.System supports the laboratory according to the service requirement of instrument and equipment, and system instrument equipment is carried out operational maintenance, maintenance; In time the instrument and equipment that breaks down is overhauled, changes.Present this atmosphere quality automatic monitor system member is complicated, the on-line analysis detectability is poor, unit interval Treatment Analysis sample capability is low, system takes up an area greatly, cost performance is low, application function is single, automaticity is low and be difficult to realize portable on-the-spot real time on-line monitoring.
Therefore, to ambient air quality carry out on-line real time monitoring, emergent and early warning is extremely urgent, people urgently wishes to have a kind ofly can carry out continuously ambient air quality, the high-quality automated system of quick, on-line monitoring.In recent years, micro-fluidic chip has microminiaturization, robotization, the advantage such as integrated, convenient and quick as a kind of novel analysis platform, obtain a wide range of applications fields such as cell biology, analytical chemistry, materialogy, organizational project and microelectronics in a lot of fields.Yet, with the monitoring water quality on line system of micro-fluidic chip as the analyzing and processing product platform, by physics, chemistry or bioanalysis means, integrate high flux data acquisition, information processing and the functional units such as transmission, automated analysis and monitoring and network remote control, form the chip micro-total analysis system, ambient air quality is analyzed and monitored, in application substantial breakthrough is arranged not yet at present.
Summary of the invention
The objective of the invention is design and prepare a kind of ambient air quality auto-real-time monitoring system, it is characterized in that this system can analyze the monitoring of environmental air quality real-time, convenient, quickly and accurately.Integrated form, multifunction, analyzing and testing, four core technologies of networking are incorporated into the micro-fluidic chip platform, form ambient air quality auto-real-time monitoring system, realize ambient air quality routine monitoring, emergency processing and warning function.Physics, chemistry or bioanalysis means are integrated on the small-sized micro-fluidic chip, form the chip micro-total analysis system, integrate high flux data acquisition, information processing and the functional units such as transmission, automated analysis and monitoring and network remote control, ambient air quality is carried out automatic real-time analysis and monitoring.
For achieving the above object, the present invention adopts following operation steps:
1. Computer-aided design software (CAD) designs and draws the preparation figure of micro-fluidic chip.
2. the graphics chip for preparing the CAD design by micro-processing technology at the substrate surface of micro-fluidic chip.
With obtain after the chip substrates cutting up and down two micro-fluidic chips (5 * 5cm), after cleaning successively with ethanol, deionized water, ethanol, naturally dry.
4. the function elements such as high flux data acquisition, information processing and transmission, automated analysis and monitoring and network remote control are assembled in the corresponding chip unit.
5. high flux data acquisition, information processing are linked to each other with above-mentioned each function element with the utility appliance of monitoring with function elements such as network remote controls with transmission, automated analysis.
6. layers of chips is carried out involution, the compositing chip micro-total analysis system up and down.
7. microfluid is carried Micropump, analyzing and testing workstation and MICROCOMPUTER PROCESSING center to connect, be assembled into ambient air quality auto-real-time monitoring system.
Among the present invention, the core component of ambient air quality auto-real-time monitoring system is the micro-fluidic chip platform.
Among the present invention, the micro-fluidic chip base material can be quartz, glass, silicon materials, high molecular polymer and metal material.
Among the present invention, the microchannel network on the micro-fluidic chip can be by numerical control mill quarter, laser ablation, LIGA technology, method of molding, pressure sintering, chemical corrosion, and also the micro-processing method such as available soft lithography prepares at substrate surface.
Among the present invention, the size of the microanalysis passage of micro-fluidic chip can be wide approximately 200-400 micron, dark approximately 20-50 micron, and length is the 5-20 millimeter approximately, and small size has determined that needed detected amount of samples is few.
Among the present invention, can highly integrated hundreds and thousands of micro channel arrays on the micro-fluidic chip, can be at short notice a large amount of analyzing water body quality, and can obtain rapidly and accurately kind and the concentration information of pollutant in the surrounding air, detection efficiency is the hundreds of times of classic method.
Among the present invention, the encapsulation of micro-fluidic chip can cause double-deck adhesive film involution by heat sealing, adhesive involution, the auxiliary involution of surface active, power.
Among the present invention, the detection mechanism of ambient air quality auto-real-time monitoring system can be based on all kinds of detection meanss of physics, chemistry or bioanalytical method, depends on the kind of on-the-spot water quality and pollutant.
Among the present invention, the function elements such as high flux data acquisition, information processing and transmission, automated analysis and the monitoring in the ambient air quality auto-real-time monitoring process and network remote control are the corresponding function zones that is integrated on the small-sized micro-fluidic chip.
Among the present invention, ambient air quality auto-real-time monitoring system can realize at the micro-fluidic chip platform integration of integrated form, multifunction, analyzing and testing, four core technologies of networking.
Among the present invention, ambient air quality auto-real-time monitoring system can realize surrounding air routine monitoring, emergency processing and early warning three large functions.
Among the present invention, ambient air quality auto-real-time monitoring system can realize automatic real-time online continuous monitoring function.
Among the present invention, ambient air quality auto-real-time monitoring system can be connected the MICROCOMPUTER PROCESSING center and connect formation center-radial network type control monitoring system.
Among the present invention, ambient air quality auto-real-time monitoring system can process system by centre data collection and data management, finish data and process automatically calculating, report generation, information inquiry, the functions such as statistical study, realize ambient air monitoring, meet an urgent need and early warning effective management and dynamic monitoring for information about, for all kinds of post personnel provide briefing, raw readings, data are calculated, report, the function automation services such as data statistic analysis, department provides faster for the surrounding air management and decision, upgrade, more accurate polluted information, and decision-making foundation and order traffic directing tool.
The ambient air quality auto-real-time monitoring system that the present invention proposes, have simple to operate, applied widely, the characteristics such as degree of accuracy is high, multi-functional unit is integrated on chip, system's portable and operation automation, can under the control of central MICROCOMPUTER PROCESSING and command centre, realize routine monitoring, emergency processing and early warning to ambient air quality.The shortcomings such as this system has overcome traditional environment air-quality monitoring system member complexity, the on-line analysis detectability is poor, unit interval Treatment Analysis sample capability is low, system takes up an area greatly, cost performance is low, application function is single are monitored, are met an urgent need in ambient air quality and the early warning field has broad application prospects.Set up national, provincial, city-level and level Four emergency commading system at county level by network, realization information is reported and submitted, instruction transmission and information resources are shared, for related personnel, expert, leader provide situation evaluation information and analysis means, and the supports such as communication and order commander, increase water quality work efficiency and accuracy and the standardization of monitoring department, improve the science of ambient air quality routine monitoring, emergent, early warning decision, provide important foundation and technological breakthrough for realizing the ambient air quality auto-real-time monitoring.
Description of drawings
A is the planimetric map of upper chip among Fig. 1, and b is that double-deck power causes the adhesive membrane planimetric map, and c is the planimetric map of lower chip.Among Fig. 1, lower chip (a) main body is comprised of hole, microchannel, cell window and analysis main channel.There is sample holes (A) in the hole, waste liquid hole (G).Cell window has high flux data acquisition (B), information processing and transmission (C), automated analysis and monitoring (D), network remote control (E) and analyzes main channel (F).Among Fig. 1, chips (b) main body is that double-deck power causes adhesive membrane, is positioned over up and down chip chamber, carries out the involution of chip.Among Fig. 1, upper chip (c) main body is each functional unit and utility appliance connector, the sample holes interface (A '), waste liquid hole interface (G ').Cell window has high flux data acquisition interface (B '), information processing and transmission interface (C '), automated analysis and monitoring interface (D '), network remote control interface (E ') and analyzes main path interface (F ').The microchannel mainly is microfluidic channel.
Fig. 2 is the workflow of ambient air quality auto-real-time monitoring of the present invention system.
Specific embodiments
Embodiment 1:
Computer-aided design (CAD) is drawn the design configuration of micro-fluidic chip, and (5 * 5cm) surface etch goes out required microchannel network at two sheet glass up and down to use photoetching-chemical corrosion method again.After glass detersive, ethanol, deionized water, acetone, ethanol cleaning, room temperature is dried.The function elements such as high flux data acquisition, information processing and transmission, automated analysis and monitoring and network remote control are integrated on the small-sized micro-fluidic chip.High flux data acquisition, information processing are linked to each other with above-mentioned each function element with the utility appliance of monitoring with function elements such as network remote controls with transmission, automated analysis.Layers of chips is carried out involution, the compositing chip micro-total analysis system up and down.Carry Micropump, analyzing and testing workstation and MICROCOMPUTER PROCESSING center to connect microfluid, be assembled into ambient air quality auto-real-time monitoring system.
Embodiment 2:
Computer-aided design (CAD) is drawn the design configuration of micro-fluidic chip, then laser printer gets figure as photomask, uses the quasi-molecule laser etching machine at the required chip microchannel network of organic polymer base material surface (such as polymethylmethacrylate) preparation again.After the cutting of organic polymer base material, after ethanol, deionized water, ethanol cleaning, naturally dry, obtain up and down two organic macromolecule chips (5 * 5cm).The function elements such as high flux data acquisition, information processing and transmission, automated analysis and monitoring and network remote control are integrated on the small-sized micro-fluidic chip.High flux data acquisition, information processing are linked to each other with above-mentioned each function element with the utility appliance of monitoring with function elements such as network remote controls with transmission, automated analysis.Layers of chips is carried out involution, the compositing chip micro-total analysis system up and down.Carry Micropump, analyzing and testing workstation and MICROCOMPUTER PROCESSING center to connect microfluid, be assembled into ambient air quality auto-real-time monitoring system.
Embodiment 3:
Computer-aided design (CAD) is drawn the design configuration of micro-fluidic chip, with numerical control CNC micro-machining system required microchannel network graphic is milled to carve to be machined in organic polymer base material surface (polycarbonate).After organic polymer base material detersive, deionized water, ethanol, deionized water, ethanol cleaning, naturally dry, obtain up and down two organic macromolecule chips (5 * 5cm).The function elements such as high flux data acquisition, information processing and transmission, automated analysis and monitoring and network remote control are integrated on the small-sized micro-fluidic chip.High flux data acquisition, information processing are linked to each other with above-mentioned each function element with the utility appliance of monitoring with function elements such as network remote controls with transmission, automated analysis.Layers of chips is carried out involution, the compositing chip micro-total analysis system up and down.Carry Micropump, analyzing and testing workstation and MICROCOMPUTER PROCESSING center to connect microfluid, be assembled into ambient air quality auto-real-time monitoring system.

Claims (10)

1. ambient air quality auto-real-time monitoring system and preparation method thereof, it is characterized in that this system is incorporated into the micro-fluidic chip platform with integrated form, multifunction, analyzing and testing, four core technologies of networking, form the surrounding air on-line monitoring system, realize surrounding air routine monitoring, emergency processing and warning function.Physics, chemistry or bioanalysis means are integrated on the small-sized micro-fluidic chip, form the chip micro-total analysis system, integrate high flux data acquisition, information processing and the functional units such as transmission, automated analysis and monitoring and network remote control, surrounding air is analyzed and monitored.
2. by ambient air quality auto-real-time monitoring claimed in claim 1 system and preparation method thereof, its characterization step is as follows successively:
(1) the preparation figure of Computer-aided design software (CAD) design and drafting micro-fluidic chip;
(2) prepare the graphics chip that CAD designs by micro-processing technology at the substrate surface of micro-fluidic chip;
(3) with obtain after the chip substrates cutting up and down two micro-fluidic chips (5 * 5cm), after cleaning successively with ethanol, deionized water, ethanol, naturally dry;
(4) function elements such as high flux data acquisition, information processing and transmission, automated analysis and monitoring and network remote control are assembled in the corresponding chip unit;
(5) high flux data acquisition, information processing are linked to each other with above-mentioned each function element with the utility appliance of monitoring with function elements such as network remote controls with transmission, automated analysis;
(6) layers of chips is carried out involution, the compositing chip micro-total analysis system up and down;
(7) microfluid is carried Micropump, analyzing and testing workstation and MICROCOMPUTER PROCESSING center connect, be assembled into ambient air quality auto-real-time monitoring system.
3. by claim 1 or 2 described ambient air quality auto-real-time monitoring systems and preparation method thereof, it is characterized in that the core devices of this system is based on small-sized micro-fluidic chip.
4. by claim 1 or 2 described ambient air quality auto-real-time monitoring systems and preparation method thereof, it is characterized in that the detection mechanism of this system is based on physics, chemistry or biological analysis means.
5. by claim 1 or 2 described ambient air quality auto-real-time monitoring systems and preparation method thereof, it is characterized in that this system is integrated in the function elements such as high flux data acquisition, information processing and transmission, automated analysis and monitoring and network remote control on the small-sized micro-fluidic chip.
6. by claim 1 or 2 described ambient air quality auto-real-time monitoring systems and preparation method thereof, it is characterized in that this system can realize integrated form, multifunction, analyzing and testing, four integration of core technology on the micro-fluidic chip platform of networking.
7. by claim 1 or 2 described ambient air quality auto-real-time monitoring systems and preparation method thereof, it is characterized in that this system can realize routine monitoring, emergency processing and the warning function of ambient air quality.
8. by claim 1 or 2 described ambient air quality auto-real-time monitoring systems and preparation method thereof, it is characterized in that this system can realize automatic real time on-line monitoring function.
9. by claim 1 or 2 described ambient air quality auto-real-time monitoring systems and preparation method thereof, it is characterized in that this system can be connected the MICROCOMPUTER PROCESSING center and connect formation center-radial network type control monitoring system.
10. by claim 1 or 2 described ambient air quality auto-real-time monitoring systems and preparation method thereof, it is characterized in that this system can overcome the shortcomings such as traditional water quality monitoring system member is complicated, the on-line analysis detectability is poor, unit interval Treatment Analysis sample capability is low, system takes up an area greatly, cost performance is low, application function is single, can be under the control of central MICROCOMPUTER PROCESSING and command centre, realize the conventional on-line monitoring of ambient air quality, emergency processing and warning function, have broad application prospects in ambient air quality monitoring field.
CN201110235966XA 2011-08-17 2011-08-17 Automatic real-time ambient air quality monitoring system and its preparation method Pending CN102955039A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107255682A (en) * 2017-06-16 2017-10-17 唐建芳 A kind of multifunction system of monitoring POPS class materials

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US6852287B2 (en) * 2001-09-12 2005-02-08 Handylab, Inc. Microfluidic devices having a reduced number of input and output connections
CN1699984A (en) * 2005-05-19 2005-11-23 复旦大学 Multiple channel micro-flow control chip, process for making same and use thereof
US20080022927A1 (en) * 2006-07-28 2008-01-31 Sean Xiao-An Zhang Microfluidic device for controlled movement of material
TW201016591A (en) * 2008-10-20 2010-05-01 Nat Chip Implementation Ct Nat Applied Res Lab Biosensor package structure with micro-fluidic channel
CN101915793A (en) * 2010-08-18 2010-12-15 中国科学院半导体研究所 Microelectrode array and microchannel integrated sensor structure and manufacturing method thereof

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6852287B2 (en) * 2001-09-12 2005-02-08 Handylab, Inc. Microfluidic devices having a reduced number of input and output connections
CN1699984A (en) * 2005-05-19 2005-11-23 复旦大学 Multiple channel micro-flow control chip, process for making same and use thereof
US20080022927A1 (en) * 2006-07-28 2008-01-31 Sean Xiao-An Zhang Microfluidic device for controlled movement of material
TW201016591A (en) * 2008-10-20 2010-05-01 Nat Chip Implementation Ct Nat Applied Res Lab Biosensor package structure with micro-fluidic channel
CN101915793A (en) * 2010-08-18 2010-12-15 中国科学院半导体研究所 Microelectrode array and microchannel integrated sensor structure and manufacturing method thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107255682A (en) * 2017-06-16 2017-10-17 唐建芳 A kind of multifunction system of monitoring POPS class materials

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Application publication date: 20130306