Laser Thermometer: nheyo chiito. Laser kure lämpömittari (mufananidzo)

Temperature chipimo angava kuonana uye kure. Inonyanya thermocouples, thermometers uye resistor sensors izvo zvinoda kuonana chinhu, kureva. K. Kuyera pachako tembiricha kwayo. Vanoita izvozvo zvishoma nezvishoma, asi tiri chipa.

Napedyo sensors uyere michini nemwaranzi kubva chinhu, zvinopa kukurumidza zvabuda, uye dzinowanzoshandiswa kuziva tembiricha kutamira uye mira miviri vari vacuüm it uye dzisingambosvikiki nokuda sehasha kwezvakatipoteredza, hunhu chimiro kana kuchengeteka kutyisidzira. Mutengo vakadaro mano achiri yakakwirira, kunyange zvazvo dzimwe nguva akafanana kuonana mano.

monochrome thermometry

Monochrome nzira nokuti Pakusarudza zvachose Kupenya anoshandisa akafanorongerwa wavelength. Implementations siyana nyore ruoko-akabata Yatanga Kuongorora pamwe kure kuyerwa kune akaoma inotakurika mano kubvumira kuti panguva kuchengeta chinhu wayo tembiricha kuverengwa kuti vapinda mundangariro kana kudhinda pavo. Mira sensors anomiririrwa sezvo nyore michina navaduku kure zvemagetsi urongwa, uye mukuru-simba pamwe kure namano PID-kuzvidzora. Fiber optics, Laser aiming, mvura kutonhora, pamberi kuratidzwa uye scanner - optioneel kusarudza kwacho zvichiongororwa uye masimba enyika.

Configuration, spectral mupise, uchishandisa tembiricha chikuva, optics, mhinduro nguva uye kupenya chinhu chinokosha kuti sei kuita uye dzinofanira kunyatsoongorora munyaya kusarudzwa kwacho.

The Switch anogona kuva nyore maviri-waya, uye kunzwisisa kusakara nemishonga mukuru-wanda mudziyo.

Pakusarudza spectral Mhinduro netembiricha siyana chokuita zvakananga kuyerwa mabasa. Short wavelengths inoshandiswa mukuru tembiricha uye refu - nokuti pasi. Kana zvinhu zviri pachena, somuenzaniso, mapurasitiki uye girazi, zvakakodzera uzkovolnovaya mupise. The Absorção de Água boka CH polyethylene firimu iri 3,43 .mu.m. Voga pakati chakarondedzera mu-siyana iri nyore kuti computation yacho emissivity. Saizvozvowo, girazi-kufanana zvinhu kuva opaque panguva wavelength pakati 4,6 microns, izvo zvinoita kuti zvakarurama kuona tembiricha yacho girazi pamusoro. 1-4 microns emitting munzvimbo inoita kuti kuyerwa nomukombiyuta rokuongorora mawindo Vacuum uye kumanikidzwa makamuri. Alternative - kushandisa faibha-optic waya.

Optics uye RTT haakoshi kakawanda, kubva mumunda maonero kukura 3 masendimita ari chinhambwe 50 masendimita uye nguva mhinduro asingasviki 1 s iri zvakakwana. Nokuti muduku kana kutsanya kubvongodzwa chinhu inoratidza anova zvakafanira duku (3mm dhayamita) kana kupfuura zvidiki (0.75 mm) gwapa kuyerwa. Far aiming (3-300 m) zvinoda Manyiminya kugadziridza, sezvo mureza munda maonero anova zvakare guru. Mune zvimwe zviitiko, nzira iyi rinoshandiswa maviri-wave radiometry. Optical faibha kunoita kuti kure kuti zvemagetsi kubva hasha runyararo, kubvisa migumisiro ruzha uye kugadzirisa dambudziko kuwana.

Laser lämpömittari kumboda inotongwa mu kuwanda 0.2-5.0 pamwe nguva mhinduro. Quick mhinduro inogona kuwedzera chiratidzo ruzha uye anononoka nomugumisiro nehanya. Kana induction kudziyisa kunoda akabva angoitei, uye nokuda conveyor - the nomumugwagwa kwaitora nguva sei.

Monochrome vaIri barometer riri nyore uye rinoshandiswa zviitiko apo yepamusoro zvigadzirwa kuti pave tembiricha kuzvidzora kunokosha chaizvo.

Dual-wavelength thermometry

Kuti uwane mabasa akaoma, apo Mhedziso kuyerwa zvakarurama vachishoropodza, uye apo chigadzirwa iri pasi chaiko kana makemikari kushushikana, uye rinoshanda mbiri-wave radiometry. Pfungwa yakabuda pakutanga 1950s, uye kuchinja kuchangobva magadzirirwe Hardware uye kuwedzera kwezvinhu kwayo uye kuderedza mari.

Nzira kunoratidzwa kuyera simba spectral arambe achirema panguva wavelengths mbiri dzakasiyana. The tembiricha yacho chinhu zvinogona kuverengwa zvakananga kubva tambo, kana emissivity mumwechete rimwe wavelength. Zvairatidza zvichaitikawo kunyange kana munda maonero aoma chakavhara nekaupenyu kutonhora zvokuvakisa, zvakadai seguruva, waya sefa vachena uye translucent hwindo. nzira The dzidziso iri nyore. Kana zvose Kupenya wavelength ndiro (nokuti kuchena muviri), kuti anobuda coefficient ipfupi uye ukama rinova Proportional kuti tembiricha.

Dual-wavelength Laser lämpömittari rinoshandiswa bhizimisi uye tsvakurudzo somunhu nyore, nemamwe Switch anogona kuderedza kukanganisa kuyerwa.

Uyezve, multiwavelength lämpömittari wakasiyirwa zvinhu zvisingagoni ndachena miviri, kuti Absorção de Água coefficient iyo zvichisiyana chete wavelength. Muzviitiko izvi isu vanoda hwakadzama kuongorora zvinhu pamusoro zvatariswa pamusoro ukama pakati coefficient ose wavelength, tembiricha uye makemikari anoumba pemvura. With date izvi zvichiita kuti pave kukarukureta algorithm zvichienderana spectral nemwaranzi panguva dzakasiyana wavelengths pamusoro tembiricha.

uchimutarira mitemo

Kuongorora kururama yakayerwa inodzidzisa anofanira kuziva zvinotevera:

• VaIri sensors nekupedza kwete kusiyanisa mavara.
• Kana pamusoro iri kupenyerera, ipapo mudziyo uchakusimbisa kwete chete chaibwinya asiwo akaratidza simba.
• Kana chinhu kwakanyatsojeka, zvakakodzera vaIri mupise (semuenzaniso, girazi opaque pa 5 microns).
• Muna vapfumbamwe kubva gumi nyaya zvachose kunyatsoyera kunodiwa. Akadzokorora kuverengwa uye kushaya kutsvetera ichapa zvakakodzera nemazvo. Kana kupenya kuchinja uye kubudiswa kwakaoma, zvinofanira kugara pana zviviri kana multi-wavelength radiometer.

Structural zvinhu

Laser asiri kuonana lämpömittari anoshanda panheyo michini simba pamukova uye mbudo chiratidzo. Basic redunhu mudziyo ine dziva rokuchingidzira optics, lenses, spectral filters uye detector sechinhu kwokunze inowanikwa. Dynamic kugadzira rinoitwa zvakasiyana, asi inogona kuderedzwa kunatsiridza, chafariz Kudzikamiswa chiratidzo linearization uye kuchinja. Kwakajairika hwindo girazi rinoshandiswa nokuda pfupi-wave nemwaranzi, Goldstone nokuda midrange negermanium kana zingi sulfide nokuda 8-14 micron siyana, faibha - dzimwe wavelengths ose 0.5-5.0 microns.

kuona

Laser kure lämpömittari kunoratidzwa munda maonero (FOV) - Temperature kudzora gwapa saizi nechokure kupiwa. Kusandura dhayamita chomunda maonero ari Proportional kune nokuchinja kure pakati barometer nokuyerwa chinhu zvakananga. Its ukoshi kunobva mugadziri uye matambudziko pamusoro chikwata mutengo. Pane muenzaniso pamwe PP pane 1 mm kuti pfungwa kuyerwa, uye kumberi optics (7 masendimita ari chinhambwe 9 m). Kushanda kure asingadi kukanganisa rakarurama kuverenga, kana chinhu anozadza nokuyerwa panzvimbo. The kunonyanyisa chiratidzo kurasikirwa haafaniri kupfuudza 1%.

aiming

Kwakajairika vaIri thermometers kubereka kuyerwa pasina zvimwe namano. Izvi zvinofadza nokuti kushandiswa ne zvinhu huru, zvakadai semapepa dandemutande, apo pfungwa yakarurama haisi kuzvireva. Nokuti muduku kana kure zvinhu vachishandisa Laser danda. Created dzinoverengeka dzakasiyana pamusoro Laser sighting.

1. Danda zvaizopedza kubva Manyiminya akabatana. The nyore womuenzaniso kuti rinoshandiswa Namano yakaderera kupedza makuru zvinhu, kureva. K. The kunharaunda kutsaudzira chakanyanya guru.
2. Coaxial danda. Usatsauka kubva Manyiminya akabatana. kuyera gwapa centre chaizvo akarongwa chero kure.
3. Dual Laser. Spot dhayamita akanzi maviri pfungwa, izvo hakubvisi kudiwa kuti zvokufungidzira kana ngaaverenge dhayamita uye haiiti kuti zvikanganiso.
4. Circular Pointer zvaizopedza. Kunoratidza munda maonero ayo ukuru uye muganhu kwokunze.
5. 3-pfungwa coaxial Pointer. Danda riri muzvikamu zvitatu inopenya dzinokosha chete mutsetse. Midpoint anoreva gwapa nepakati, uye chokunze dhayamita kuti chiratidzo chacho.

Aiming kupa rubatsiro kunobudirira pasi vatungamirire lämpömittari chaiyo panguva kuyerwa chinhu.

filters

The thermometers anoshandiswa pfupi chinozunguzirwa filters kuti mukuru tembiricha kuyerwa (> 500 ° C) uye refu wavelength filters kuti yakaderera tembiricha (-40 ° C). Nesilicon michina, semuenzaniso, husingakwanisi kudziyisa, uye duku wavelength kunoderedza nokuyerwa kukanganisa. Other filters vanosarudza inoshandiswa mapurasitiki mafirimu (3.43 microns uye 7,9 microns), girazi (5.1 microns) uye nomurazvo (3.8 microns).

sensors

sensors Most kana photoelectric urwu voltage kana pasi vaIri nemwaranzi, kana photoconductive, t. E. Rinochinja kurwisa kwayo pasi Zvakaitwa simba kunobva. Vane kutsanya, zvikuru nehanya, vane chinogamuchirwa tembiricha vasakukurwa, izvo zvinogona kukurirwa Somuenzaniso, thermistor tembiricha muripo redunhu, mumwe otomatiki razero redunhu, uye amplitude vakaomerwa dziviriro isothermal.

The cheni vaIri lämpömittari pamusoro 100-1000 MV detector goho Mureza ane chiuru-mudanga enhancement inodzorwa, ndiye linearized, uye, somugumisiro, chinomiririra Linear kuitika kana voltage chiratidzo. optimum kukosha kwayo kuti 4-20 Ma, kuderedza kwokunze chipingaidzo. chiratidzo ichi zvinogona zvokudya kune RS-232 chiteshi kana kuti PID controller, kure kuratidza kana yakarekodwa mudziyo. Other embodiments vanoshandisa chiratidzo:

• pamusoro / kure chiratidzo;
• Nhamba yepamusoro akabata mutengo;
• chinjika Achipindura nguva;
• muenzaniso uye akabata redunhu.

havukavu

Michini Laser lämpömittari ane mhinduro nguva vanenge 300 MS, kunyange kushandisa nesilicon michina vanogona kuwana kukosha 10 MS. In nhumbi zhinji mhinduro nguva kuchinja kuchideredza kuuya ruzha uye kuchinja nehanya. Kwete nguva dzose vanoda risingamboshandisi nguva mhinduro. Somuenzaniso, munguva induction kudziyisa nguva inofanira kuva kuwanda 10-50 MS.

Zvinoumba Laser thermometers

Etekcity Lasergrip 630 - michini 2 Laser lämpömittari mutengo $ 35,99. Features:

• tembiricha siyana -50 ... +580 ° C;
• Kururama +/- 2%;
• daro gwapa saizi nhamba 16: 1;
• emissivity pamusoro 0.1 - 1.0;
• Response nguva <500 MS;
• kupedza 1 ° C.

Laser lämpömittari (mufananidzo) Uyewo anoudza pamusoro kupfuura, ruduku uye avhareji tembiricha. Tambo gwapa riri zvava ne 2 cm nechepazasi aiming pfungwa. Laser kukanganiswa zvakawanda chaizvo panguva mharadzano yemwaranzi (masendimita 36).

Amprobe vaIri 710 - michini Laser lämpömittari, mutengo uri $ 49,95. Features:

• tembiricha siyana -50 ... +538 ° C;
• Minimum gwapa kukura 20 mm;
• Kururama +/- 2%;
• daro gwapa saizi nhamba 12: 1;
• emissivity pamusoro 0.95;
• mhinduro nguva 500 MS;
• kupedza 1 ° C.

Izvi Laser lämpömittari (mufananidzo) kunze tembiricha ano, uyewo inoratidza shoma uye kunonyanyisa tsika.