CN102955038A - Environmental sudden event emergency and early warning system and its preparation method - Google Patents
Environmental sudden event emergency and early warning system and its preparation method Download PDFInfo
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- CN102955038A CN102955038A CN2011102355921A CN201110235592A CN102955038A CN 102955038 A CN102955038 A CN 102955038A CN 2011102355921 A CN2011102355921 A CN 2011102355921A CN 201110235592 A CN201110235592 A CN 201110235592A CN 102955038 A CN102955038 A CN 102955038A
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Abstract
The invention relates to an environmental sudden event emergency and early warning system and its preparation method. The core component of the environmental sudden event emergency and early warning system is a microfluidic chip platform, which integrates a microfluid driver, micro-processing equipment, micro-detection analysis equipment, data acquisition equipment, electric signal detection analysis equipment, information sending device, network remote control and other functional units to form a miniaturized total chip analysis system. On the basis of the rapid and efficient analysis and detection capability and the characteristics of miniaturization, portability and easy integration of a microfluidic chip, the system can rapidly detect the solid, liquid and gas hazardous materials generated in environmental sudden events through physical, chemical or biological analysis means, and perform real-time remote transmission of analyzed data results, thus realizing rapid emergency and early warning of environmental sudden events.
Description
Technical field
The present invention relates to the emergent and early warning system of a kind of environment accident, this system takes full advantage of micro-fluidic chip and is easy to the characteristics that a plurality of functional units are integrated, with micro-fluidic chip as the analyzing and processing core, pass through physics, chemistry or bioanalysis means, the integrated micro flow body drives, micro treatmenting device, little detection analytical equipment, data collector, the electrical signal detection analytical equipment, the functional units such as information transmitting apparatus and network remote control, form the chip micro-total analysis system, danger is analyzed and monitored, quick based on micro-fluidic chip, efficient analysis detectability and its microminiaturization, portable and be easy to integrated characteristics, the solid that produces in the accident of fast detecting environment, liquid and gas danger and real time remote transmit analyzes data result, realizes the fast emergent and early warning of environment accident.
Background technology
Chinese society economy develops rapidly, but because unbalanced, the industrial safety in production of yield-power development level basis glue is weak, the serious unreasonable and environmental pollution of industrial enterprise's layout especially Sudden Pollution Accident estimation and prepare not enough, problem of environmental pollution causes that more and more the frequent occurrence of people's very big concern, particularly sudden environment event has jeopardized people's life and day by day has been subject to social attention.For example 2008, peril of transportation product train was on fire on a certain highway, and the cause danger product leak, and such as untimely processing, will cause the rugged surroundings hazardous accidents near zone, and consequence is hardly imaginable; And for example 2009, certain company's raw materials for production storage tank leaked, and a large amount of pollutants flow into the river, and the downstream drinking water source is constituted a threat to safely.Danger in these environment accidents is carried out Emergent detection and early warning, is environmental administration's key that accident gives a response fast to environment, and the harm that as far as possible reduces the environment accident is had extremely important meaning.At present environment accident is emergent to mainly contain following two kinds with early warning system: the reply of reporting and submitting, make a strategic decision of (1) spot sampling, lab analysis, information; (2) reply of reporting and submitting, make a strategic decision of vehicle-carried mobile formula detecting instrument analysis, information.The first response is the cardinal rule of contingency management, yet the deficiency of environmental hazard quality testing measurement equipment detection efficiency and detectability has become the first development bottleneck that responds at present, directly causes accident response speed and high-speed decision scarce capacity.Present environment accident is emergent and early warning system detecting instrument member is complicated, bulky, 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.
Taking place frequently and the quick backwardness of emergent and early warning system of environment accident is so that the portable, integrated, networked emergent fast of Development of New Generation just seems very important with early warning system.Therefore, the effective danger that the environment accident is leaked of exploitation carries out continuously, quick, the online portable detection that detects is emergent and early warning system has become the task of top priority.In recent years, micro-fluidic chip is as a kind of novel analysis platform, have microminiaturization, robotization, the advantage such as integrated, convenient and quick, obtain a wide range of applications fields such as cell biology, analytical chemistry, materialogy, organizational project and microelectronics in a lot of fields.Yet, micro-fluidic chip is met an urgent need and early warning system as the environment accident of analyzing and processing product platform, by physics, chemistry or bioanalysis means, the functional units such as the driving of integrated micro flow body, micro treatmenting device, little detection analytical equipment, data collecting card, electrical signal detection analytical equipment, information transmitting apparatus and network remote control, form the chip micro-total analysis system, danger 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 the emergent and early warning system of a kind of environment accident, it is characterized in that this system can analyze the danger that produces in all kinds of accidents of monitoring real-time, quickly and accurately, and have the characteristics of portability microminiaturization.With micro-fluidic chip as the analyzing and processing core, pass through physics, chemistry or bioanalysis means, the integrated micro flow body drives, micro treatmenting device, little detection analytical equipment, data collector, the electrical signal detection analytical equipment, the functional units such as information transmitting apparatus and network remote control, form the chip micro-total analysis system, danger is analyzed and monitored, quick based on micro-fluidic chip, efficient analysis detectability and its microminiaturization, portable and be easy to integrated characteristics, the solid that produces in the accident of fast detecting environment, liquid and gas danger and real time remote transmit analyzes data result, realizes the fast emergent and early warning of environment accident.
For achieving the above object, the present invention adopts following operation steps:
1. Computer-aided design software (CAD) designs and draws the microchannel figure of micro-fluidic chip.
2. the microchannel figure for preparing the CAD design by micro-processing technology at the substrate surface of micro-fluidic chip.
With obtain after the micro-fluidic chip base material cutting up and down two micro-fluidic chips (5 * 5cm), after cleaning successively with ethanol, deionized water, ethanol, naturally dry.
4. the functional units such as microfluid driving, micro treatmenting device, little detection analytical equipment, data collector, electrical signal detection analytical equipment, information transmitting apparatus and network remote control are assembled in the chip system.
5. the utility appliance with functional units such as microfluid driving, micro treatmenting device, little detection analytical equipment, data collector, electrical signal detection analytical equipment, information transmitting apparatus and network remote controls links to each other with above-mentioned each function element.
6. layers of chips is carried out involution, the compositing chip micro-total analysis system up and down.
7. sample trace harvester, analyzing and testing chip system are connected with MICROCOMPUTER PROCESSING control center, be assembled into the emergent and early warning system of environment accident.
Among the present invention, the emergent core component with early warning system of environment accident 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 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 lithographic technique is in the preparation of chip substrates surface.
Among the present invention, the size of the microanalysis passage of micro-fluidic chip can be wide about 200-400 micron, deeply about 20-50 micron, and the about 5-20 millimeter of length, 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, large component analysis danger kind at short notice, and can obtain rapidly and accurately wherein kind and the concentration information of pollutant, 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 emergent detection mechanism with early warning system of environment accident can be based on all kinds of detection meanss of physics, chemistry or bioanalytical method, depends on the kind of on-the-spot danger.
Among the present invention, the functional units such as microfluid driving, micro treatmenting device, little detection analytical equipment, data collector, electrical signal detection analytical equipment, information transmitting apparatus and network remote control in the danger testing process that the environment accident produces are the corresponding function zones that is integrated on the small-sized micro-fluidic chip.
Among the present invention, the environment accident is met an urgent need can realize at the micro-fluidic chip platform integration of integrated form, multifunction, analyzing and testing, four core technologies of networking with early warning system.
Among the present invention, the environment accident is emergent can to realize danger routine monitoring, emergency analysis and early warning three large functions with early warning system.
Among the present invention, the environment accident is emergent can to detect solid, liquid, its body danger with early warning system.
Among the present invention, the environment accident is emergent adopts biology, chemistry and physical method that danger is detected with early warning system, the measuring ability unit is integrated on the chip, testing result is converted into electric signal, electrical signal detection analytical equipment acquisition testing result is arranged and pass to the message sending function unit.
Among the present invention, the environment accident is met an urgent need can realize analysis and the detection of many kinds of solids, liquid or gas simultaneously on chip piece with early warning system.
Among the present invention, the environment accident is emergent can in a plurality of microchannels of chip piece preparation, to have improved the Parallel testing ability to danger with early warning system within the unit interval.
Among the present invention, the environment accident is met an urgent need and is detected kind and the concentration of danger to be measured with early warning system with can carrying out quantitative and qualitative analysis.
Among the present invention, the environment accident emergent with early warning system in micro-fluidic chip can produce in batch, the chip individual difference is little, has improved the repeatability of analyzing and testing.
Among the present invention, the environment accident is emergent can clean easily with early warning system, realizes repeatedly analysis without prejudice and detection and not analysis without prejudice and the detection of sample room of the same race of danger to be measured of the same race, has reduced its testing cost.
Emergent and the early warning system of the environment accident that the present invention proposes, have microminiaturization, portability and be easy to integrated, detection time, fugitive rate was high, simple to operate, applied widely, degree of accuracy is high and testing cost is low and the characteristics such as operation automation, can realize analysis and the detection of many kinds of solids, liquid or gas danger.Real-time Transmission analyzing and testing result carries out early warning by the network remote control system simultaneously.This environment accident is emergent to provide most important theories basis and technological breakthrough with early warning system for realizing environment accident reply.
Description of drawings
With micro-fluidic chip as the analyzing and processing core, by physics, chemistry or bioanalysis means, the functional units such as the driving of integrated micro flow body, micro treatmenting device, little detection analytical equipment, data collector, electrical signal detection analytical equipment, information transmitting apparatus and network remote control form the chip micro-total analysis system
A is the planimetric map of upper chip among Fig. 1, and b is 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 and cell window.Microfluid drive (A), hole have sample holes (solid A1, liquid A 2, gas A3), waste liquid hole (G).Micro treatmenting device (B), little detection analytical equipment (C), data collector (D), electrical signal detection analytical equipment (E) and information transmitting apparatus and network remote control (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, microfluid drive (A '), sample holes interface (solid A1 ', liquid A 2 ', gas A3 '), waste liquid hole interface (G ').Micro treatmenting device (B '), little detection analytical equipment (C '), data collector (D '), electrical signal detection analytical equipment (E ') and information transmitting apparatus and network remote control (F ').The microchannel mainly is microfluidic channel.
Fig. 2 is the emergent fundamental diagram with early warning system of environment accident of the present invention.
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 functional units such as microfluid driving, micro treatmenting device, little detection analytical equipment, data collector, electrical signal detection analytical equipment, information transmitting apparatus and network remote control are assembled in the chip system.The utility appliance of the functional units such as microfluid driving, micro treatmenting device, little detection analytical equipment, data collector, electrical signal detection analytical equipment, information transmitting apparatus and network remote control is linked to each other with above-mentioned each function element.Layers of chips is carried out involution, the compositing chip micro-total analysis system up and down.Sample trace harvester, analyzing and testing chip system are connected with MICROCOMPUTER PROCESSING control center, be assembled into the emergent and early warning system of environment accident.
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 functional units such as microfluid driving, micro treatmenting device, little detection analytical equipment, data collector, electrical signal detection analytical equipment, information transmitting apparatus and network remote control are assembled in the chip system.The utility appliance of the functional units such as microfluid driving, micro treatmenting device, little detection analytical equipment, data collector, electrical signal detection analytical equipment, information transmitting apparatus and network remote control is linked to each other with above-mentioned each function element.Layers of chips is carried out involution, the compositing chip micro-total analysis system up and down.Sample trace harvester, analyzing and testing chip system are connected with MICROCOMPUTER PROCESSING control center, be assembled into the emergent and early warning system of environment accident.
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 functional units such as microfluid driving, micro treatmenting device, little detection analytical equipment, data collector, electrical signal detection analytical equipment, information transmitting apparatus and network remote control are assembled in the chip system.The utility appliance of the functional units such as microfluid driving, micro treatmenting device, little detection analytical equipment, data collector, electrical signal detection analytical equipment, information transmitting apparatus and network remote control is linked to each other with above-mentioned each function element.Layers of chips is carried out involution, the compositing chip micro-total analysis system up and down.Sample trace harvester, analyzing and testing chip system are connected with MICROCOMPUTER PROCESSING control center, be assembled into the emergent and early warning system of environment accident.
Claims (10)
1. an environment accident is met an urgent need and early warning system and preparation method thereof, it is characterized in that micro-fluidic chip as the analyzing and processing core, quick based on micro-fluidic chip, efficient analysis detectability and its microminiaturization, portable and be easy to integrated characteristics, pass through physics, chemistry or bioanalysis means, the integrated micro flow body drives, micro treatmenting device, little detection analytical equipment, data collector, the electrical signal detection analytical equipment, the functional units such as information transmitting apparatus and network remote control, form the chip micro-total analysis system, the solid that produces in the accident of fast detecting environment, liquid and gas danger and real time remote transmit analyzes data result, realizes the fast emergent and early warning of environment accident.
2. meet an urgent need and early warning system and preparation method thereof by a kind of environment accident claimed in claim 1, its characterization step is as follows successively:
(1) the microchannel figure of Computer-aided design software (CAD) design and drafting micro-fluidic chip;
(2) prepare the microchannel figure that CAD designs by micro-processing technology at the micro-fluidic chip substrate surface;
(3) with obtain after the micro-fluidic chip base material cutting up and down two micro-fluidic chips (5 * 5cm), after cleaning successively with ethanol, deionized water, ethanol, naturally dry;
(4) functional units such as microfluid driving, micro treatmenting device, little detection analytical equipment, data collector, electrical signal detection analytical equipment, information transmitting apparatus and network remote control are assembled in the chip system;
(5) utility appliance with functional units such as microfluid driving, micro treatmenting device, little detection analytical equipment, data collector, electrical signal detection analytical equipment, information transmitting apparatus and network remote controls links to each other with above-mentioned each function element;
(6) layers of chips is carried out involution, the compositing chip micro-total analysis system up and down;
(7) sample trace harvester, analyzing and testing chip system are connected with MICROCOMPUTER PROCESSING control center, be assembled into the emergent and early warning system of environment accident.
3. meet an urgent need and early warning system and preparation method thereof by claim 1 or 2 described environment accidents, it is characterized in that this environment accident is emergent is based on micro-fluidic chip with early warning system, and micro-fluidic chip can be produced in batch, is repeatedly used, flexible design and assembling.
4. meet an urgent need and early warning system and preparation method thereof by claim 1 or 2 described environment accidents, it is characterized in that the emergent detection mechanism with early warning system of this environment accident is based on physics, chemistry or biological analysis means.
5. meet an urgent need and early warning system and preparation method thereof by claim 1 or 2 described environment accidents, it is characterized in that the functional units such as microfluid driving, micro treatmenting device, little detection analytical equipment, data collector, electrical signal detection analytical equipment, information transmitting apparatus and network remote control are assembled in the chip system.
6. meet an urgent need and early warning system and preparation method thereof by claim 1 or 2 described environment accidents, it is characterized in that this environment accident is met an urgent need and early warning system can realize integrated form, multifunction, analyzing and testing, four integration of core technology on the micro-fluidic chip platform of networking.
7. meet an urgent need and early warning system and preparation method thereof by claim 1 or 2 described environment accidents, it is characterized in that this environment accident is met an urgent need and early warning system can realize danger routine monitoring, emergency analysis and early warning three large functions.
8. meet an urgent need and early warning system and preparation method thereof by claim 1 or 2 described environment accidents, it is characterized in that this environment accident is met an urgent need and early warning system can realize on-the-spot real time on-line monitoring function.
9. meet an urgent need and early warning system and preparation method thereof by claim 1 or 2 described environment accidents, it is characterized in that this environment accident is met an urgent need and early warning system can detect solid, liquid, its body danger.
10. meet an urgent need and early warning system and preparation method thereof by claim 1 or 2 described environment accidents, it is emergent with the early warning system member is complicated, the on-line analysis detectability is poor, unit interval Treatment Analysis sample capability is low, the shortcomings such as large, that cost performance is low, application function is single are taken up an area in system to it is characterized in that this system can overcome the traditional environment accident, can be portable mobile, and in environment accident field conduct fast detecting and early warning, have broad application prospects with the early warning field in that the environment accident is emergent.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103197086A (en) * | 2013-04-13 | 2013-07-10 | 西安科技大学 | Microfluidic underground coal mine air monitoring system and method |
| CN108169503A (en) * | 2018-01-12 | 2018-06-15 | 河北工业大学 | Aromatic series escaping gas rapid detection system based on micro-fluidic chip |
| CN111662816A (en) * | 2020-05-26 | 2020-09-15 | 武汉肤尔医用科技有限公司 | Micro-fluidic chip-based environmental pathogen rapid detection and early warning system and method |
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| CN108169503A (en) * | 2018-01-12 | 2018-06-15 | 河北工业大学 | Aromatic series escaping gas rapid detection system based on micro-fluidic chip |
| CN108169503B (en) * | 2018-01-12 | 2024-02-02 | 河北工业大学 | Quick detection system of aromatic volatile gas based on micro-fluidic chip |
| CN111662816A (en) * | 2020-05-26 | 2020-09-15 | 武汉肤尔医用科技有限公司 | Micro-fluidic chip-based environmental pathogen rapid detection and early warning system and method |
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Application publication date: 20130306 |