Laser thermometer: mfundo kanthu. Laser kutali thermometer (chithunzi)

Kutentha muyeso kungakhale kukhudzana ndi akumidzi. Ambiri thermocouples, thermometers ndi masensa resistor omwe amafunika kukhudzana ndi chinthu, mwachitsanzo. K. Kuyeza kutentha yake. Iwo amachita izo pang'onopang'ono, koma yotchipa.

masensa moyandikana kuyeza cheza infuraredi kwa chinthu, kupereka zotsatira mofulumira, ndipo amagwiritsidwa ntchito pofuna kudziwa kutentha kusamukira ndi matupi n'kupuma mu vacuo kunali chifukwa cha ndewu ya chilengedwe, makhalidwe a mawonekedwe kapena chitetezo chilichonse. Mtengo wa makina onga zimakhalanso mkulu, ngakhale zina ofanana funsani zipangizo.

monochrome thermometry

Monochrome njira kudziŵa okwana kuwala amagwiritsa timaganiza anakonzeratu. Implementations osiyanasiyana monga yosavuta probes dzanja ankaweruza ndi kayesedwe akutali zipangizo chipangizo kunyamula kulola kuti imodzi kusunga chinthu ndi kuwerenga ake kutentha kuti adalowa kukumbukira kapena makina iwo. masensa n'kupuma amakhala ngati zoyesera yosavuta ndi yaing'ono kutali zamagetsi, dongosolo ndi mkulu-mphamvu ndi zipangizo kutali PID kudziletsa. CHIKWANGWANI Optics, laser aiming, madzi kuzirala, pamaso pa chiwonetsero ndipo sikana - optional options mzigawo ndi machitidwe kulamulira.

Kasinthidwe, kawalidwe sefa, opaleshoni kutentha osiyanasiyana, Optics, Poyankha nthawi ndi kuwala kwa chinthu ndi zinthu zofunika zimene zimakhudza ntchito ayenera mosamala mu ndondomeko kusankha.

The kachipangizo akhoza kukhala wophweka ziwiri waya, ndi zovuta avale zosagwira chipangizo mkulu-tilinazo.

Kusankha Poyankha kawalidwe ndi kutentha osiyanasiyana kugwirizana ndi ntchito yeniyeni kayesedwe. Short adziwana dzulo ntchito kutentha ndi yaitali - chifukwa otsika. Ngati zinthu ndi mandala Mwachitsanzo, pulasitiki ndi galasi, m'pofunika uzkovolnovaya zosefera. Mayamwidwe gulu la CH polyethylene filimu ndi 3,43 .mu.m. Kudzipatula kwa sipekitiramu osiyanasiyana izi zimatithandiza masovedwe wa emissivity lapansi. Mofananamo, zipangizo galasi-monga kukhala opaque pa timaganiza za 4.6 microns, amene amalola molondola kudziwa kutentha kwa padziko galasi. 1-4 microns emitting m'dera kumapangitsa kuti muyeso kudzera anayendera mipata zingalowe ndi zipinda kuthamanga. Njira - kugwiritsa ntchito chingwe CHIKWANGWANI-chamawonedwe.

Optics ndi RTT zonyozeka nthawi zambiri, kuyambira kumunda wa view cha kukula kwa 3 cm pa mtunda wa masentimita 50 ndi Poyankha nthawi zosakwana 1 m chikukwanira. Yaing'ono kapena kudya avundulidwe chinthu likukulira zitavuta kakang'ono (m'mimba mwake 3mm) kapena kuposa wocheperako (0.75 mm) banga miyezo. Far aiming (3-300 m) amafuna kusintha kuwala, monga muyezo munda wa view amakhala waukulu kwambiri. Nthawi zina, njira iyi ndi ntchito ziwiri yoweyula radiometry. CHIKWANGWANI kuwala zimathandiza kuti ubwenzi wa zamagetsi ku mapangidwe aukali, kuthetsa zotsatira za phokoso ndi vuto la mwayi.

Laser thermometer kwenikweni ukulamulidwa mu zosiyanasiyana 0.2-5.0 ndi nthawi ayankhe. Quick ayankhe angathe kuonjezera phokoso chizindikiro ndiponso zotsatira pang'onopang'ono pa tilinazo. Pamene kupatsidwa ulemu Kutentha kumafuna nthaŵi yomweyo, ndi conveyor - ndi pang'onopang'ono yankho.

Monochrome IR thermometer yosavuta ntchito pa nthawi imene apamwamba mankhwala kulenga kulamulira kutentha n'kofunika kwambiri.

wapawiri-timaganiza thermometry

Pakuti ntchito zambiri zovuta kumvetsa kumene mtheradi muyeso molondola ndi ovuta, ndipo pamene anthufe ukuvutika ndi maganizo thupi kapena mankhwala, ndiponso zikugwira ntchito ziwiri yoweyula radiometry. Lingaliro anatuluka mu oyambirira 1950s, ndi kusintha posachedwapa kamangidwe ka hardware ndi kuonjezera zokolola zake ndi kuchepetsa ndalama.

njira tichipeza mu kuyeza mphamvu kawalidwe osalimba pa mlengalenga ngati kuwala awiri osiyana. Kutentha kwa chinthu akhoza kuwerenga mwachindunji ku chida, ngati emissivity wa chomwecho aliyense timaganiza. Zikuonetsa adzakwaniritsidwa ngakhale munda wa view pang'ono oletsedwa zipangizo ndi ozizira, monga fumbi, zowonetsera waya wa zenera imvi ndi translucent. njira chiphunzitso ndi losavuta. Ngati kuwala timaganiza ndi chimodzimodzi (kwa thupi imvi), ndi koyefishienti umuna yafupika ndi ubale amakhala molingana ndi kutentha.

Wapawiri-timaganiza laser thermometer ntchito makampani ndi kafukufuku losavuta, kachipangizo wapadera kuti akhoza kuchepetsa kulakwitsa kayesedwe.

Komanso, multiwavelength thermometer anapereka zipangizo zimene sizili matupi imvi, mayamwidwe koyefishienti amene zimasiyanasiyana ndi timaganiza. Mu milandu ife amafuna kusanthula mwatsatanetsatane nkhani makhalidwe pamwamba pa ubale wa koyefishienti wa timaganiza, kutentha ndi mipweya ya pamwamba. Deta izi n'zotheka kulenga mawerengedwe aligorivimu malingana cheza ndi kawalidwe pa adziwana dzulo pa kutentha.

malamulo kuwerengera

Kuti n'zolondola wa muyeso wosuta ayenera kudziwa zotsatirazi:

• masensa IR analandira osati kusiyanitsa mitundu.
• Ngati pamwamba chonyezimira, ndiye chipangizo adzakhazikitsa osati panamveka komanso mphamvu akusonyeza.
• Ngati chinthu chimaonekera, m'pofunika IR zosefera (mwachitsanzo, galasi opaque 5 microns).
• Nthawi naini pa khumi muyeso yeniyeni mwamtheradi chofunika. Mobwerezabwereza kuwerenga ndi kupanda tsankho adzapereka mwatsatanetsatane zofunika. Pamene kusintha kuwala ndi processing ndi zovuta, ayenera kukhala pa thuu kapena Mipikisano timaganiza radiometer.

zinthu kandalama

laser sanali kukhudzana thermometer ntchito pa mfundo za mphamvu infuraredi pakhomo ndi kuchoka chizindikiro. Kuweta dera chipangizo imakhala ndi kusonkhanitsa Optics, magalasi, Zosefera kawalidwe ndi chowunikira ngati mawonekedwe akunja. processing Mphamvu ikuchitika mosiyana, koma zikhoza kuchepetsedwa kumapangitsanso, matenthedwe olimba chizindikiro cha linearization ndipo kusinthika. Ochiritsira zenera galasi ntchito kwa cheza yochepa yoweyula, khwatsi kwa midrange ndi germanium kapena nthaka sulfide kwa 8-14 micron osiyanasiyana, CHIKWANGWANI - pa mlengalenga ngati kuwala kwa 0.5-5.0 microns.

pamaso

Laser thermometer kutali amakhala ndi munda wa view (FOV) - Kutentha ulamuliro malo kukula pa mtunda anapatsidwa. Kusintha awiri a m'munda wa view mwachindunji njila kwa kusintha mtunda pakati pa thermometer ndi muyeso chinthu. mtengo umadalira pa Mlengi ndi amene amadza pa mtengo unit. chitsanzo kumeneko ndi PP kuposa 1 mamilimita kwa miyezo mfundo, ndi Optics losatha (7 masentimita pa mtunda wa 9 m). Ntchito mtunda sikumangotikhudza yolondola kuwerenga, ngati chinthu chimadzaza malo kayesedwe. The pazipita chizindikiro imfa sayenera upambana 1%.

aiming

Ochiritsira IR thermometers kubala miyezo popanda zipangizo zina. Ichi n'cholandirika ntchito ndi zinthu zikuluzikulu monga pepala ukonde, pamene molondola mfundo si chofunika. Chifukwa zinthu zazing'ono kapena lakutali ntchito laser mtengo. Analenga mitundu ingapo ya laser pati.

1. Mtengo kuchepetsa kwa olamulira kuwala. Lachitsanzo losavuta kuti ntchito zipangizo ndi kusamvana otsika kuti chinthu chachikulu, mwachitsanzo. K. The kumagwa kupatuka ndi waukulu kwambiri.
2. Coaxial mtengo. Sasiya olamulira kuwala. kuyeza malo malo ndendende zinatchulidwa pa mtunda uliwonse.
3. Wapawiri laser. Malo mwake zaikidwa mfundo ziwiri, zomwe kumatha kufunika kwa ndikuganiza kapena kuwerengera awiri ndi sichichititsa zolakwika.
4. Zozungulira Cholozera kuchepetsa. Izo zikusonyeza munda wa view ya kukula kwake ndi malire awo.
5. 3-mfundo coaxial Cholozera. The mtanda lagawidwa mfundo zitatu owala pa mzere womwewo. Midpoint amatanthauza pakati banga ndi m'mimba mwake kunja kwa chizindikiro chake.

Aiming kuthandiza ogwira motsogozedwa ndi thermometer ndendende muyeso chinthu.

Zosefera

thermometers ntchito Zosefera lalifupi yoweyula kwa miyezo mkulu kutentha (> 500 ° C) ndi Zosefera yaitali timaganiza kuti otsika kutentha (-40 ° C). Pakachitsulo zoyesera, mwachitsanzo, kugonjetsedwa ndi kutenthetsa, ndi timaganiza ang'onoang'ono kumachepetsa zolakwa kayesedwe. Zosefera zina kusankha ntchito mafilimu pulasitiki (3.43 microns ndi 7.9 microns), galasi (5.1 microns) ndi lawi (3.8 microns).

zimatulutsa

Kwambiri zimatulutsa kapena photoelectric ikuyambitsa voteji pamene chinaperekedwa ku cheza IR, kapena photoconductive, T. E. Anasintha kukana yake pansi pa zochita za gwero mphamvu. Iwo kudya, kwambiri tcheru, ndi yovomerezedwa kutentha kulowerera, amene akhoza kugonjetsa Mwachitsanzo, thermistor kutentha malipilo dera yaotomatiki ziro dera, ndi matalikidwe Kuchepetsa chitetezo isothermal.

Unyolo IR thermometer za 100-1000 MV chowunikira linanena bungwe mbendera ndi kuwongola zikwi-khola ndi Lamulo, ndi linearized, ndipo potsiriza, chikuyimira liniya panopa kapena voteji chizindikiro. Mtengo wake akadakwanitsira wa 4-20 MA, kuchepetsa kusokonezedwa kunja. tenepa akhoza kudyetsedwa kwa RS-232 doko kapena PID Mtsogoleri, kuwonetsera kutali kapena chipangizo kujambula. embodiments Other ntchito mbendera:

• pa / kutali chizindikiro;
• pachimake mtengo kugwira;
• chosinthika Poyankha nthawi;
• nyemba ndi kugwira dera.

liwiro

Infuraredi laser thermometer ali avareji Poyankha nthawi ya 300 MS, ngakhale ntchito zoyesera pakachitsulo angafikire mtengo wa 10 MS. Mu zida zambiri ayankhe kusintha nthawi kuti zichepetse phokoso ukubwera ndi kusintha tilinazo. Osati nthawi zonse ayenera osachepera Poyankha nthawi. Mwachitsanzo, kupatsidwa ulemu Kutentha nthawi ayenera kukhala mu osiyanasiyana 10-50 MS.

Features wa thermometers laser

Etekcity Lasergrip 630 - infuraredi 2 laser thermometer mtengo wa $ 35,99. Features:

• kutentha osiyanasiyana -50 ... +580 ° C;
• olondola +/- 2%;
• Mtunda ku malo kukula chiŵerengero cha 16: 1;
• emissivity wa 0,1 - 1.0;
• Poyankha nthawi <500 MS;
• Maganizo a 1 ° C.

Laser thermometer (chithunzi) komanso imatiuza za waukulu zing'onozing'ono ndipo pafupifupi kutentha. Kuyesa malo ali ankatembenukira ndi masentimita 2 pansipa mfundo aiming. Laser kutsata yeniyeni pa mphambano kunyezimira (36 cm).

Amprobe IR-710 - infuraredi laser thermometer, mtengo ndi $ 49,95. Features:

• kutentha osiyanasiyana -50 ... +538 ° C;
• Osachepera malo kukula kwa 20 mamilimita;
• olondola +/- 2%;
• Mtunda ku malo kukula chiŵerengero cha 12: 1;
• emissivity wa 0,95;
• yankho nthawi ya 500 MS;
• Maganizo a 1 ° C.

Izi thermometer laser (chithunzi) zina kuposa kutentha panopa, zimasonyezanso osachepera ndi mfundo zambiri.