CN202204597U - Distributed spectrum temperature measuring device used for cloud blast field - Google Patents
Distributed spectrum temperature measuring device used for cloud blast field Download PDFInfo
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- CN202204597U CN202204597U CN2011202201416U CN201120220141U CN202204597U CN 202204597 U CN202204597 U CN 202204597U CN 2011202201416 U CN2011202201416 U CN 2011202201416U CN 201120220141 U CN201120220141 U CN 201120220141U CN 202204597 U CN202204597 U CN 202204597U
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Abstract
The utility model relates to a distributed spectrum temperature measuring device used for a cloud blast field, and belongs to the technical field of signal detection. The distributed spectrum temperature measuring device is composed of one or more than one optical path sensing part, one or more than one steel pipe support, one or more than one photoelectric conversion and storage part, and a host computer data process system. According to the utility model, an optical path sensing system and the storage test technology are combined, thereby realizing near field detection for the temperature within a cloud blast area; the optical path sensing part is small in volume and can be arranged in the cloud area based on demands, so that multi-point tests are carried out and the temperature distribution in the cloud area is finally fit; and the storage test technology is adopted, such that data are processed after testing, and a plurality of data processing methods can be selected flexibly for data processing based on the on-site configuration mode of optical path detectors (one, two or more).
Description
Technical field
The utility model relates to a kind of distributed spectroscopic temperature measurement device that is used for the cloud and mist explosive field, belongs to the signal detection technique field.
Background technology
Along with development of modern industry, the industrial explosion accident happens occasionally.1989 M&MPC (Marsh&Mclennan Protection Conclusion) statistic analysis result of 150 industrial disaster accidents is shown that the industrial explosion disaster accounts for 60% of total industrial disaster, be one of topmost industrial disaster.In all types of industries explosion accident, quite a few is arranged is owing to the blast that is suspended in airborne inflammable substance causes.As in the process of mining, gas, coal dust and air mixed and reach finite concentration after, meet unexpected energy such as the spark accident of can blasting; In oil and the Chemical Manufacture, inflammable gas that leaks out or droplet are dispersed in when reaching finite concentration in the air, and burning or blast also can take place (electric spark, naked light) under suitable energy.
Above-mentioned blast is generally cloud and mist detonation, and it is a kind of very important form of injuring that the temperature of cloud and mist explosive field is injured.Yet owing to receive the restriction of research means, the research that existing detonation temperature field heat is injured also rests on the qualitative analysis that the dependence experience is carried out.In recent years, non-contact optical thermometric theoretical developments is very fast, many new temperature sensing meanses occurred.
Monochromatic thermometric is to utilize the monochromatic radioactive intensity of object to raise along with temperature and the principle that increases is carried out thermometric; This measuring method is effectively to the actinometry that limits spectral coverage, is not very suitable just to the continuous radiation of detonation wave in big spectral coverage scope.
Color comparison temperature measurement is to confirm its temperature through the ratio of measuring the radiance of detonation product on two narrow band; (λ 1 when two wavelength selecting; λ 2) enough near the time, just can obtain quick-fried temperature by the ratio of voltage measuring value v1 corresponding that on these two narrow spectral coverages, records and v2 with brightness signal by the photoelectricity testing part of double light path.Two wavelength differ more little, and the error of bringing because of the approximate hypothesis of emissivity will be more little, but while admissible relative measurement error of instrument under certain temperature measurement error requires also can become more little, proposes very high requirement for the measuring accuracy of instrument.
Infrared measurement of temperature belongs to total radiation thermometric field, mainly is thermal imaging, and promptly the different parts according to different objects or object has different infrared signatures; Thermal imaging system can detect this discrepant radiation signal, and its form with visible images is shown, and advantage is that the imaging scope is wide; Sensitivity is higher; Can be according to the subtle change of object temperature, emittance just has than about-face, can carry out the temperature survey and the temperature distributing measuring in small temperature field.But infrared measurement of temperature is easy to receive the influence of background radiation, atmosphere, flue dust.Cloud and mist detonation has the complete reaction district that non-complete reaction district is also arranged, and causes environment comparatively complicated, and cigarette, dirt are bigger, has a strong impact on the precision of infrared measurement of temperature like this.
Monochrome, colorimetric, infrared what record is not the true temperature of object; Measure the true temperature of object, must know another parameter-material emissivity of object, can try to achieve the true temperature of object; Therefore, the multi-wavelength method of testing of researcher's development.The thermometric basic thought of multi-wavelength is to utilize the actinometry information of testee under a plurality of spectrum, obtains the true temperature and the spectral emittance of object through data processing.
More than this several method in the quick-fried thermometric of cloud field application is arranged all, relative merits are also respectively arranged.But these methods all have a common characteristic, that is: on the one hand because its optical system more complicated and cooperation are accurate, sharp pounding can make optical system get muddled in the explosive field, can't test.On the other hand, the optical device shock resistance is poor, and some optical device is frangible.Therefore these exact instrument can only be surveyed the quick-fried district of whole cloud outside away from cloud and mist blast place, and surface temperature that can only the cloud and mist blast area is tested, and can't obtain the detonation central temperature with and the distribution of thermograde; Though infrared detecting method can show its thermograde substantially,, have a strong impact on its measuring accuracy owing to opaque material and flue dust in the cloud and mist blast are many.
The utility model content
The utility model is in order to overcome the defective of prior art, obtain in the cloud and mist explosive field central temperature with and distribution situation, a kind of distributed spectroscopic temperature measurement device that is used for the cloud and mist explosive field has been proposed.
The utility model is realized through following technical scheme.
A kind of distributed spectroscopic temperature measurement device that is used for the cloud and mist explosive field of the utility model is made up of one or more than one light path sensing element 1, one or more than one steel pipe support 4, one or more than one opto-electronic conversion and memory unit 5 and host computer 7 data handling systems;
Light path sensing element 1 is positioned at the aerial part of cloud and mist explosive field, and opto-electronic conversion and memory unit 5 are positioned at the under ground portion of cloud and mist explosive field, and the part of steel pipe support 4 is embedded in the soil; The quantity of opto-electronic conversion and memory unit 5 is identical with the quantity of light path sensing element 1, and each opto-electronic conversion and memory unit 5 all with light path sensing element 1 cooperating;
Light path sensing element 1 is formed by short fiber 3 in optical devices, the chamber in light path protection housing, the chamber with to infrared optical fiber 3 interfaces; Wherein light path protection housing is the kuppe of the hollow structure of stainless steel; Housing head is a pyramidal structure; The main part of housing is a maximum gauge less than 3 centimetres column construction, on the main part lateral surface of housing, has light path receive window 2; Short fiber 3 and infrared optical fiber 3 interfaces all are embedded in the main part of light path protection housing in optical devices, the chamber is embedded in the afterbody of housing body part in the chamber to infrared optical fiber 3 interfaces; Optical devices are responsible for accomplishing collection, filtering, the transfer function of light signal in the chamber, accomplish the collection transmission of the light signal of required frequency;
Opto-electronic conversion and memory unit 5 comprise photomultiplier, operational amplification circuit, storer, microprocessor, usb communication interface 6; Wherein photomultiplier converts the light signal that receives into voltage signal; Voltage signal carries out the D/A converter module that signal is amplified into microprocessor through operational amplification circuit; Microprocessor reads its magnitude of voltage and converts digital signal into; Digital signal after will changing then deposits storer in, and opto-electronic conversion and memory unit 5 communicate through usb communication interface 6 and host computer 7;
Light path sensing element 1 need be distributed in cloud and mist blast Hong interior a plurality of points according to the scene; The luminance brightness that is used for the corresponding region detects; The afterbody of light path sensing element 1 is through being bolted on the steel pipe support 4; According to the position distribution of light path sensing element 1 in explosive field, can fix one or more than one light path sensing element 1 on each steel pipe support 4; Steel pipe support 4 is a hollow structure, and the optical fiber 3 that is connected between light path sensing element 1 and opto-electronic conversion and the memory unit 5 is from the hollow space process of steel pipe support 4.
A kind of distributed spectroscopic temperature measurement device that is used for the cloud and mist explosive field of the utility model, its course of work is:
When cloud and mist detonation took place, the light path sensing element 1 that is positioned at each measuring point of cloud and mist district was exported the optical signals that receives to infrared optical fiber 3 interfaces, through the optical fiber 3 of steel pipe support 4 hollow spaces signal was delivered to corresponding opto-electronic conversion and memory unit 5; Opto-electronic conversion and memory unit 5 carry out the photosignal conversion and electric signal are stored; Blast finishes opto-electronic conversion and memory unit 5 communicates the data of storing through usb communication interface 6 and host computer 7; Utilizing host computer 7 process softwares to analyze to the received signal resolves; Thereby accomplish the test of each measuring point spectroscopic temperature in the cloud and mist explosive field, the data of last each measuring point of match can draw the distribution of thermograde in the cloud and mist explosive field.
Beneficial effect
The utility model adopts the light path sensor-based system to combine with STORAGE MEASUREMENT TECHNIQUE, can realize that the near field of temperature in the cloud and mist blast area is surveyed; Light path sensing element 1 volume is little, can in the cloud and mist district, place by demand, accomplishes multi-point sampler, simulates the Temperature Distribution situation in the cloud and mist district at last; Adopt STORAGE MEASUREMENT TECHNIQUE, make data after test, handle, can select the several data disposal route that data are handled flexibly according to the presence detector configuration mode.
Description of drawings
Fig. 1 is the principle schematic of the utility model;
Fig. 2 is the mounting structure synoptic diagram of the utility model in the cloud and mist field;
Wherein, 1-light path sensing element, 2-light path receive window, 3-optical fiber, 4-steel pipe support, 5-opto-electronic conversion and memory unit, 6-USB communication interface, 7-host computer.
Embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is further specified.
Embodiment
A kind of distributed spectroscopic temperature measurement device that is used for the cloud and mist explosive field; Constitute by light path sensing element 1, steel pipe support 4, opto-electronic conversion and memory unit 5 and host computer 7 data handling systems; As shown in Figure 1; Light path sensing element 1 is positioned at the aerial part of cloud and mist explosive field; Opto-electronic conversion and memory unit 5 are positioned at the under ground portion of cloud and mist explosive field, and the part of steel pipe support 4 is embedded in the soil, and the afterbody of light path sensing element 1 is through being bolted on the steel pipe support 4; The optical fiber 3 that is connected between light path sensing element 1 and opto-electronic conversion and the memory unit 5 is from the hollow space process of steel pipe support 4, and opto-electronic conversion and memory unit 5 communicate through usb communication interface 6 and host computer 7;
This temperature measuring equipment is used for the quiet quick-fried test of fuel-air explosive, and is as shown in Figure 2, is made up of the opto-electronic conversion of 4,4 of the steel pipe supports of 1,2 of 4 light path sensing elements and memory unit 5 and host computer 7 data handling systems; 4 light path sensing elements 1 need according to the scene; 2 one components are distributed in cloud and mist blast Hong two interior differences; The luminance brightness that is used for the corresponding region detects, according to the position distribution of light path sensing element 1 in explosive field, and fixing 2 light path sensing elements 1 on each steel pipe support 4.
The above is the preferred embodiment of the utility model, and the utility model should not be confined to the disclosed content of this embodiment and accompanying drawing.Everyly do not break away from the equivalence of accomplishing under the spirit disclosed in the utility model or revise, all fall into the scope of the utility model protection.
Claims (1)
1. distributed spectroscopic temperature measurement device that is used for the cloud and mist explosive field is characterized in that: be made up of one or more than one light path sensing element, one or more than one steel pipe support, one or more than one opto-electronic conversion and memory unit and host computer data handling system;
The light path sensing element is positioned at the aerial part of cloud and mist explosive field, and opto-electronic conversion and memory unit are positioned at the under ground portion of cloud and mist explosive field, and the part of steel pipe support is embedded in the soil; The quantity of opto-electronic conversion and memory unit is identical with the quantity of light path sensing element, and each opto-electronic conversion and memory unit all with a light path sensing element cooperating;
The light path sensing element by light path protect in housing, the chamber in optical devices, the chamber short fiber and externally optical fiber interface form; Wherein light path protection housing is the kuppe of the hollow structure of stainless steel; Housing head is a pyramidal structure; The main part of housing is a maximum gauge less than 3 centimetres column construction, on the main part lateral surface of housing, has the light path receive window; In the chamber in optical devices, the chamber short fiber and externally optical fiber interface all be embedded in the main part of light path protection housing, externally optical fiber interface is embedded in the afterbody of housing body part; Optical devices are realized collection, filtering, the transfer function of light signal in the chamber, accomplish the collection transmission of the light signal of required frequency;
Opto-electronic conversion and memory unit comprise photomultiplier, operational amplification circuit, storer, microprocessor, usb communication interface; Wherein photomultiplier converts the light signal that receives into voltage signal; Voltage signal carries out the D/A converter module that signal is amplified into microprocessor through operational amplification circuit; Microprocessor reads its magnitude of voltage and converts digital signal into; Digital signal after will changing then deposits storer in, and opto-electronic conversion and memory unit communicate through usb communication interface and host computer;
The light path sensing element need be distributed in cloud and mist blast Hong interior a plurality of points according to the scene; The luminance brightness that is used for the corresponding region detects; The afterbody of light path sensing element is through being bolted on the steel pipe support; According to the position distribution of light path sensing element in explosive field, can fix one or more than one light path sensing element on each steel pipe support; Steel pipe support is a hollow structure, and the optical fiber that is connected between light path sensing element and opto-electronic conversion and the memory unit is from the hollow space process of steel pipe support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202201416U CN202204597U (en) | 2011-06-27 | 2011-06-27 | Distributed spectrum temperature measuring device used for cloud blast field |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202201416U CN202204597U (en) | 2011-06-27 | 2011-06-27 | Distributed spectrum temperature measuring device used for cloud blast field |
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| CN202204597U true CN202204597U (en) | 2012-04-25 |
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| CN2011202201416U Expired - Fee Related CN202204597U (en) | 2011-06-27 | 2011-06-27 | Distributed spectrum temperature measuring device used for cloud blast field |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102353457A (en) * | 2011-06-27 | 2012-02-15 | 北京理工大学 | Distributed spectrum temperature measuring device for cloud and mist explosion field |
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2011
- 2011-06-27 CN CN2011202201416U patent/CN202204597U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102353457A (en) * | 2011-06-27 | 2012-02-15 | 北京理工大学 | Distributed spectrum temperature measuring device for cloud and mist explosion field |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120425 Termination date: 20120627 |