CN102955037A - Environmental hazardous material monitoring and early warning system and its preparation method - Google Patents

Abstract

The invention relates to an environmental hazardous material monitoring and early warning system and its preparation method. The core component of the monitoring 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 so as to form a micro-total chip analysis system. The four core technologies, i.e. integration, multi-functionalization, analysis detection and networking are integrated on the chip platform, thus forming the environmental hazardous material monitoring and early warning system with a microcomputer central processing system as the center. The system provided in the invention can realize the functions of routine monitoring, emergency treatment and early warning on environmental hazardous materials through physical, chemical, biological or other analysis means.

Description

A kind of environmental hazard thing monitoring and early warning system and preparation method thereof

Technical field

The present invention relates to a kind of monitoring of environmental hazard thing and early warning 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, integrated form, multifunction, analyzing and testing, four core technologies of networking are incorporated on the small-sized micro-fluidic chip 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, the environmental hazard thing is detected and early warning.

Background technology

Along with China's economic development continuously and healthily, the sharp increase of industrial or agricultural hazardous waste and domestic waste, and a large amount of uses of agricultural chemicals and chemical fertilizer, the environment such as the soil that the mankind depend on for existence, water body have been subjected to pollution and the harm of serious industrial or agricultural hazardous waste, heavy metal and poisonous and harmful compound, and be aggravation trend, become one of main Environmental Problems that each big and medium-sized cities of present China face.Hazardous waste typically refers to have toxicity, inflammability, explosivity, corrosivity, chemical reactivity and infectiousness, ecologic environment and human health is consisted of the refuse of serious harm.Hazardous waste has potentiality and chronicity, if strict control and management in addition not can cause severe contamination to underground water, air, soil, even can directly endanger population health and life security.Situation based on environmental pollution and the deterioration of the ecological environment of present sternness; and the harmfulness of a lot of environment accidents; country and the environmental protection of common people's growing interest, routine monitoring and pre-alarm and prevention; yet; the automatic monitoring of high-quality and early warning system and the continuous monitoring of pollution source real-time online and early warning system but very lack; mostly China's environmental hazard thing monitoring instrument is that medium and small sized enterprises produce; it is low and middle-grade time that product concentrates on substantially, far can not adapt to the needs of present environment measuring, emergent and early warning job development.Development environment monitoring instrument and equipment thereof 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.At present environmental hazard thing monitoring comprises respectively 1 in emergency monitoring command car, ambient air monitoring car, gaseous contamination monitoring car, Water Pollution Monitoring car with early warning system, and corresponding instrument and equipment, central control station and emergent monitoring system running command software etc., be an emergency monitoring work system that comprises central control station, command system and emergency car " trinity ".The environmental hazard species is various, and present environmental hazard thing monitoring is various with the early warning system equipment needed thereby, cost is higher, 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 environmental hazard thing on-line real time monitoring, emergent and early warning is extremely urgent, people urgently wishes to have a kind ofly can carry out continuously the environmental hazard thing, the comprehensive 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 environmental hazard thing monitoring and the early warning 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, environment 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 environmental hazard thing monitoring and early warning system, it is characterized in that this system can analyze all kinds of environmental hazard things of monitoring 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 the monitoring of environmental hazard thing and early warning system, realize the routine monitoring of environmental hazard thing, 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, the environmental hazard thing is analyzed and monitored.

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 the monitoring of environmental hazard thing and early warning system.

Among the present invention, the monitoring of environmental hazard thing is the micro-fluidic chip platform with the core component of early warning system.

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, a large amount of analyzing water body quality at short notice, and can obtain rapidly and accurately kind and the concentration information of danger in the environment, 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 the monitoring of environmental hazard thing and early warning system 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 function elements such as high flux data acquisition, information processing and transmission, automated analysis and the monitoring in the environmental hazard thing observation process and network remote control are the corresponding function zones that is integrated on the small-sized micro-fluidic chip.

Among the present invention, the monitoring of environmental hazard thing and early warning 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, the monitoring of environmental hazard thing can realize the routine monitoring of environmental hazard thing, emergency processing and early warning three large functions with early warning system.

Among the present invention, the monitoring of environmental hazard thing can realize on-the-spot real-time online continuous monitoring function with early warning system.

Among the present invention, environmental hazard thing monitoring and early warning system can be connected the MICROCOMPUTER PROCESSING center and be connected, formation center-radial network type control is monitored and early warning system.

Among the present invention; the monitoring of environmental hazard thing can be processed system by centre data collection and data management with early warning system; finish data and process automatically calculating; report generation; information inquiry; the functions such as statistical study; realize the monitoring of environmental hazard thing; 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; for environmental protection and decision-making section provide faster; upgrade; more accurate polluted information, and decision-making foundation and order traffic directing tool.

The monitoring of environmental hazard thing and early warning 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 the environmental hazard thing.This system has overcome traditional environment monitoring and 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, has broad application prospects in environmental monitoring, emergent and early warning field.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, improve work efficiency and accuracy and the standardization of environmental monitoring department, improve the science of the routine monitoring of environmental hazard thing, emergent, early warning decision, provide important foundation and technological breakthrough for realizing environmental hazard thing on-line monitoring.

Description of drawings

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.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 MICROCOMPUTER PROCESSING center (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 MICROCOMPUTER PROCESSING hub-interface (F ').The microchannel mainly is microfluidic channel.

Fig. 2 is the general frame figure of environmental hazard thing monitoring of the present invention and early warning system.Sampling device (A) is arranged, high flux data collector (B), information processing and transmission equipment (C), automated analysis and monitoring device (D), network remote opertaing device (E) and MICROCOMPUTER PROCESSING center (F) among the figure.

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 the monitoring of environmental hazard thing and early warning 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 the monitoring of environmental hazard thing and early warning 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 the monitoring of environmental hazard thing and early warning system.

Claims (10)

1. an environmental hazard thing is monitored and early warning 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 monitoring of environmental hazard thing and early warning system, realize the routine monitoring of environmental hazard thing, 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, the environmental hazard thing is analyzed and monitored.

2. by environmental hazard thing monitoring claimed in claim 1 and early warning 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 the monitoring of environmental hazard thing and early warning system.

3. by claim 1 or 2 described environmental hazard thing monitorings and early warning system and preparation method thereof, it is characterized in that this environmental hazard thing monitoring and the core devices of early warning system are based on small-sized micro-fluidic chip.

4. by claim 1 or 2 described environmental hazard thing monitorings and early warning system and preparation method thereof, it is characterized in that the detection mechanism of this environmental hazard thing monitoring and early warning system is based on physics, chemistry or biological analysis means.

5. by claim 1 or 2 described environmental hazard thing monitorings and early warning system and preparation method thereof, it is characterized in that 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.

6. by claim 1 or 2 described environmental hazard thing monitorings and early warning system and preparation method thereof, it is characterized in that this environmental hazard thing monitoring 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. by claim 1 or 2 described environmental hazard thing monitorings and early warning system and preparation method thereof, it is characterized in that this environmental hazard thing monitoring can realize the routine monitoring of environmental hazard thing, emergency processing and warning function with early warning system.

8. by claim 1 or 2 described environmental hazard thing monitorings and early warning system and preparation method thereof, it is characterized in that this environmental hazard thing monitoring can realize on-the-spot real time on-line monitoring function with early warning system.

9. by claim 1 or 2 described environmental hazard thing monitorings and early warning system and preparation method thereof, it is characterized in that the monitoring of this environmental hazard thing and early warning system can be connected the MICROCOMPUTER PROCESSING center and be connected, formation center-radial network type is controlled monitoring system.

10. by claim 1 or 2 described environmental hazard thing monitorings and early warning system and preparation method thereof, it is characterized in that this system can overcome the monitoring of traditional environment danger and 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, can be under the control of central MICROCOMPUTER PROCESSING and command centre, realize the conventional on-line monitoring of environmental hazard thing, emergency processing and warning function, have broad application prospects in environmental hazard thing monitoring field.

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