CN103398973A - Multi-wavelength composite spectrum analogy-method movable type gas detection alarm device - Google Patents
Multi-wavelength composite spectrum analogy-method movable type gas detection alarm device Download PDFInfo
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- CN103398973A CN103398973A CN2013103451732A CN201310345173A CN103398973A CN 103398973 A CN103398973 A CN 103398973A CN 2013103451732 A CN2013103451732 A CN 2013103451732A CN 201310345173 A CN201310345173 A CN 201310345173A CN 103398973 A CN103398973 A CN 103398973A
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Abstract
The invention relates to a multi-wavelength composite spectrum analogy-method movable type gas detection alarm device. The device includes: a sampling head composed of a filter cleaner, an expansion joint and a magnetic adsorption base; a diaphragm pump which is a diaphragm-type gas pump with a pressure meter, and has one end connected with the sampling head and the other end connected with a multiple infrared spectrum line absorber; the multiple infrared spectrum line absorber composed of a constant temperature box, a gas preheating coil pipe, a series-connection infrared spectrum line absorption unit and a throttle valve; a power and control signal collecting device connected with the multiple infrared spectrum line absorber and a computer; and a GPS antenna connected with the computer. The gas preheating coil pipe and the series-connection infrared spectrum line absorption unit are placed in the constant temperature box, the diaphragm pump is successively connected with the gas preheating coil pipe, the series-connection infrared spectrum line absorption unit and the throttle valve through pipelines, and the throttle valve is arranged outside the constant temperature box. Compared with the prior art, the device provided by the invention has the advantages of simple structure, portability, solidness, rapid response and the like; and the device can be movably vehicle-mounted, and can detect and alarm various harmful or abnormal gases.
Description
Technical field
The present invention relates to a kind of gas detection alarm device, especially relate to a kind of multi-wavelength complex spectrum analogy method mobile gas detection alarm device.
Background technology
Commercial production is an important sources of atmospheric pollution.The pollutant kind that is discharged in atmosphere is various, and flue dust, sulfur oxide, nitrogen oxides, organic compound, halogenide, hydrocarbon etc. are arranged.Wherein common toxic and harmful is poisoned different in kind by it, can be divided into:
1. irritative gas: refer to eye and respiratory mucosa are had the gas of spread effect, it is the toxic gas that chemical industry often runs into.Modal have chlorine, ammonia, oxides of nitrogen, phosgene, hydrogen fluoride, sulphuric dioxide, sulfuric anhydride and a dimethyl suflfate etc.
2. choke damp: refer to cause the toxic gas of body anoxic, choke damp can be divided into simple choke damp, blood choke damp and cell choke damp.As the steam of nitrogen, methane, ethane, ethene, carbon monoxide, nitrobenzene, hydrogen cyanide, sulfuretted hydrogen etc.
, because toxic and harmful produces serious harm to human body and environment, therefore these gases are detected in real time and warning seems particularly important.
At present toxic and harmful being detected in real time and reporting to the police is mainly to utilize conventional light splitting type infrared absorption spectrometer, and this spectrometer is mainly for the compound qualitative analysis, only possesses certain quantitative function.It adopts prism or grating as monochromator, produces the monochromatic light irradiation sample of continuous wavelength, the infrared spectrum that obtains and library of spectra check analysis, thereby determines chemical constitution.
Simultaneously above-mentioned conventional light splitting type infrared absorption spectrometer is all single wavelength, only specific, the concentration of selectively measuring pure gas.
For the deficiency of above existence, the present invention proposes to utilize the complex spectrum analogy method to realize gas detection alarm, and its critical component adopts the infrared reception sensing unit of non-spectral formula, by infrared light supply, and air chamber, wavelength filter and infrared eye form.Realize that the multi-wavelength combination can detect SO
2, NO, CH
4, SF
6, the gas such as CO.
Summary of the invention
Purpose of the present invention is exactly to provide a kind of simple in structure for the defect that overcomes above-mentioned prior art existence, and is light firm, responds wavelength complex spectrum analogy method mobile gas detection alarm device fast.
Purpose of the present invention can be achieved through the following technical solutions: a kind of multi-wavelength complex spectrum analogy method mobile gas detection alarm device, it is characterized in that, and comprise
Sampling head: by filter cleaner, telescopic joint and magnetic absorption base, formed;
Membrane pump: for manometric diaphragm type air pump, the one end connects the sampling head other end and connects multiple infrared line absorber;
Multiple infrared line absorber: by constant temperature oven, the gas preheat coil, series connection infrared line absorptive unit and throttling valve form; The gas preheat coil, series connection infrared line absorptive unit is placed in constant temperature oven, and membrane pump connects successively gas preheat coil, series connection infrared line absorptive unit and is arranged on the outer throttling valve of constant temperature oven by pipeline;
Power supply and control signal harvester: connect respectively multiple infrared line absorber and computing machine;
Gps antenna: connect computing machine;
Computing machine: by the gps antenna instant residing position of demarcating of navigating, and the gas variation characteristic information of normal condition and the absorption intensity of at that time different wave length are compared one by one, to obtain whether abnormal conclusion.
Described device is vehicle apparatus, and sampling head is placed in roof, and membrane pump, multiple infrared line absorber, power supply and control signal harvester and computing machine are placed in car.
Described filter cleaner, with air intake opening, is regulated the height of air intake opening by telescopic joint.
Described series connection infrared line absorptive unit is comprised of infrared remote receiver and infrared emitter and optical filter; Gas flow to be measured, through the different wave length absorptive unit, shows different absorption intensities, and this is relevant with the content of different component in gas, and curve that can be continuous shows.
Described series connection infrared line absorptive unit selects different wavelength and number infrared remote receiver and infrared emitter to arrange in pairs or groups according to need.
Compared with prior art, the present invention has the following advantages:
1) response rapidly.Can accomplish instant data display and processing.Absorption intensity variation data by the various specific wavelengths of normal condition with storing compares, and makes judgement timely.
2) simple in structure.Degassing pump is outer without the motion assembly, is easy to safeguard, and is with low cost.
3) light firm.Need not to reequip vehicle can use, and air inlet and exhaust piper is by turning down the vehicle window interface.
4) adopt the LED infrared light supply, energy consumption is low, and the life-span is long.Use the direct current 12V power supply in car to meet the demands.
5) easy and simple to handle.Carry out data and information comparison by computing machine.
Description of drawings
Fig. 1 is the structural representation of apparatus of the present invention.
In figure: filter cleaner 1, casing coupling 2, magnetic absorption base 3, tensimeter 4, preheat coil 5, diaphragm type air pump 6, constant temperature oven 7, power supply and control signal harvester 8, gps antenna 9, infrared remote receiver 10, infrared emitter and optical filter 11, pressure stable throttle valve 12 and computing machine 13.
Embodiment
The present invention is described in detail below in conjunction with the drawings and specific embodiments.
Embodiment:
Apparatus of the present invention schematic diagram such as Fig. 1 comprise:
Sampling head: by filter cleaner 1, telescopic joint 2 and magnetic absorption base 3, formed; Sampling head is placed in roof, and filter cleaner, with import, can be regulated the height of air intake opening within the specific limits according to the speed of a motor vehicle or other condition by telescopic joint;
Membrane pump: be the diaphragm type air pump 6 with tensimeter 4, the one end connects the sampling head other end and connects multiple infrared line absorber;
Multiple infrared line absorber: by constant temperature oven 7, gas preheat coil 5, series connection infrared line absorptive unit and throttling valve 12 form; Gas preheat coil 5, series connection infrared line absorptive unit is placed in constant temperature oven 7, and membrane pump connects successively gas preheat coil 5, series connection infrared line absorptive unit and is arranged on the outer throttling valve 12 of constant temperature oven by pipeline; Described series connection infrared line absorptive unit is comprised of infrared remote receiver 10 and infrared emitter and optical filter 11; Gas flow to be measured, through the different wave length absorptive unit, shows different absorption intensities, and this is relevant with the content of different component in gas, and curve that can be continuous shows.Described series connection infrared line absorptive unit selects different wavelength and number infrared remote receiver and infrared emitter to arrange in pairs or groups according to need.
Power supply and control signal harvester 8: connect respectively multiple infrared line absorber and computing machine 13;
Gps antenna 9: connect computing machine 13;
Computing machine 13: demarcate residing positions by gps antenna 9 navigation is instant, and the gas variation characteristic information of normal condition and the absorption intensity of at that time different wave length are compared one by one, to obtain whether abnormal conclusion.
Described device is vehicle apparatus, and membrane pump, multiple infrared line absorber, power supply and control signal harvester and computing machine are placed in car.
During use, by following steps, undertaken:
Step (1): will comprise that filter cleaner 1, telescopic joint 2, magnetic absorption base 3 are arranged on roof, and open gps antenna, and record the current detection place of alarm.
Step (2): open constant temperature oven 7 and preheat coil 5, and set temperature is adjusted to suitable temperature, to guarantee the gas that detects, condensation does not occur.
Step (3): open the power supply of all the other pumps and electron device, preheating, stablized 1-2 hour after, bleed and detect, judge according to default gas signal intensity, report to the police for the gas that signal intensity exceeds standard.
Those of ordinary skill in the art will be appreciated that, above embodiment illustrates the present invention, and not be used as limitation of the invention, as long as in connotation scope of the present invention, to variation, the modification of the above embodiment, all will drop in claims scope of the present invention.
Claims (5)
1. a multi-wavelength complex spectrum analogy method mobile gas detection alarm device, is characterized in that, comprises
Sampling head: by filter cleaner, telescopic joint and magnetic absorption base, formed;
Membrane pump: for manometric diaphragm type air pump, the one end connects the sampling head other end and connects multiple infrared line absorber;
Multiple infrared line absorber: by constant temperature oven, the gas preheat coil, series connection infrared line absorptive unit and throttling valve form; The gas preheat coil, series connection infrared line absorptive unit is placed in constant temperature oven, and membrane pump connects successively gas preheat coil, series connection infrared line absorptive unit and is arranged on the outer throttling valve of constant temperature oven by pipeline;
Power supply and control signal harvester: connect respectively multiple infrared line absorber and computing machine;
Gps antenna: connect computing machine;
Computing machine: by the gps antenna instant residing position of demarcating of navigating, and the gas variation characteristic information of normal condition and the absorption intensity of at that time different wave length are compared one by one, to obtain whether abnormal conclusion.
2. a kind of multi-wavelength complex spectrum analogy method mobile gas detection alarm device according to claim 1, it is characterized in that, described device is vehicle apparatus, sampling head is placed in roof, and membrane pump, multiple infrared line absorber, power supply and control signal harvester and computing machine are placed in car.
3. a kind of multi-wavelength complex spectrum analogy method mobile gas detection alarm device according to claim 1 and 2, is characterized in that, described filter cleaner, with air intake opening, is regulated the height of air intake opening by telescopic joint.
4. a kind of multi-wavelength complex spectrum analogy method mobile gas detection alarm device according to claim 1 and 2, is characterized in that, described series connection infrared line absorptive unit is comprised of infrared remote receiver and infrared emitter and optical filter; Gas flow to be measured, through the different wave length absorptive unit, shows different absorption intensities, and this is relevant with the content of different component in gas, and curve that can be continuous shows.
5. a kind of multi-wavelength complex spectrum analogy method mobile gas detection alarm device according to claim 4, it is characterized in that, described series connection infrared line absorptive unit selects different wavelength and number infrared remote receiver and infrared emitter to arrange in pairs or groups according to need.
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| CN103398973B CN103398973B (en) | 2016-01-20 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103954579A (en) * | 2014-05-14 | 2014-07-30 | 江苏舒茨测控设备有限公司 | Vehicular gas detection alarming device by use of multi-wavelength composite spectrum analogy method |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106769975B (en) * | 2016-11-22 | 2019-07-09 | 中国科学院合肥物质科学研究院 | The temperature control device of spectro chemical analysis of isotopes system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103954579A (en) * | 2014-05-14 | 2014-07-30 | 江苏舒茨测控设备有限公司 | Vehicular gas detection alarming device by use of multi-wavelength composite spectrum analogy method |
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Address after: 200062 Shanghai city Putuo District Yunling Road No. 345 Co-patentee after: Schutz Measurement Engineering Co., Ltd. Patentee after: Shanghai Chemical Research Institute Co., Ltd. Address before: 200062 Shanghai city Putuo District Yunling Road No. 345 Co-patentee before: Schutz Measurement Engineering Co., Ltd. Patentee before: Shanghai Research Institute of Chemical Industry |
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Address after: 200062 Shanghai city Putuo District Yunling Road No. 345 Patentee after: SHANGHAI RESEARCH INSTITUTE OF CHEMICAL INDUSTRY Co.,Ltd. Patentee after: JIANGSU SIGAS MEASUREMENT AND CONTROL EQUIPMENT Co.,Ltd. Address before: 200062 Shanghai city Putuo District Yunling Road No. 345 Patentee before: SHANGHAI RESEARCH INSTITUTE OF CHEMICAL INDUSTRY Co.,Ltd. Patentee before: JIANGSU SCHUTZ MEASUREMENT ENGINEERING Co.,Ltd. |
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