Laser ma'aunin zafi da sanyio: da manufa na mataki. Laser m ma'aunin zafi da sanyio (photo)

Zazzabi ji iya zama lamba kuma m. Mafi na kowa thermocouples, thermometers da resistor na'urori masu auna sigina wanda bukatar lamba tare da abu, watau. K. Aunawa da kansa zazzabi. Sun yi shi sannu a hankali, amma suna m.

Kusanci na'urori masu auna sigina auna infrared radiation daga abu, samar da m sakamakon, kuma ana amfani domin sanin da yawan zafin jiki na motsi da tukwãne jikuna a vacuo da m saboda da mutunci da yanayi, da halaye na siffar ko tsaro barazana. The farashin irin na'urorin da ke gwada da high, ko da yake a wasu lokuta m tuntube na'urorin.

monochrome thermometry

Monochrome hanya domin kayyade total annurin yana amfani da wani qaddara zango. Implementations Range daga sauki hannunka-aka gudanar bincike tare da m ji to nagartaccen šaukuwa na'urorin kyale a lokaci guda kalla wani abu da kuma ta da zazzabi karatu da za a shiga a cikin memory ko buga su. Tsit na'urori masu auna sigina suna wakilta a matsayin mai sauki gane da kananan m lantarki tsari, da kuma high-ƙarfi da m na'urorin PID-kula. Fiber kimiyyan gani da hasken wuta, Laser saiti, ruwa da sanyaya, da gaban da nuni da na'urar daukar hotan takardu - tilas zabin aiwatar da lura da kuma kula da tsarin.

Sanyi, na tacewa, zafin aiki range, kimiyyan gani da hasken wuta, martani lokaci, kuma haske daga cikin abu ne mai muhimmanci abubuwa da shafi wasan kwaikwayon da ya kamata a hankali dauke a zabin tsari.

A haska iya zama mai sauki biyu-waya, da kuma hadadden lalacewa-resistant high-ji na ƙwarai na'urar.

Selection na na mayar da martani da kuma yawan zafin jiki fuska hade da takamaiman ji ɗawainiya. Short wavelengths ana amfani da high zafin jiki da kuma dogon - for low. Idan abubuwa ne m, misali, roba da kuma gilashin, shi wajibi ne uzkovolnovaya tacewa. A sha band na CH polyethylene film ne 3,43 .mu.m. Kadaici da bakan a cikin wannan fanni simplifies ƙidãyar emissivity. Hakazalika, gilashin-kamar kayan zama opaque a zango na 4.6 microns, wanda damar a daidai ƙayyade yawan zafin jiki na gilashin surface. 1-4 microns emitting yanki damar yin ji via da dubawa takware injin da kuma matsa lamba da bẽnãye. Alternative - da amfani da fiber-na gani na USB.

Kimiyyan gani da hasken wuta da kuma RTT ne bai isa a kula a mafi yawan lokuta, tun da filin ra'ayi da size of 3 cm a nesa na 50 cm da kuma mayar da martani lokaci kasa da 1 s ishe. Domin kananan ko azumi dabba ba a kanta abu intermittent zama dole a kananan (3mm diamita) ko fiye da karami (0.75 mm) tabo ma'aunai. Far saiti (3-300 m) ya bukatar Tantancewar gyara, a matsayin misali filin na view zama ma manyan. A wasu lokuta, wannan hanya da ake amfani da wani biyu-kalaman radiometry. Tantancewar fiber damar zuwa nesanta da lantarki daga m yanayin, don kawar da tasirin da amo da a warware matsalar da damar.

Laser ma'aunin zafi da sanyio m ne sarrafawa a cikin kewayon 0.2-5.0 tare da mayar da martani lokaci. Quick martani zai iya ƙara sigina amo da kuma jinkirin da sakamako a kan ji na ƙwarai. Lokacin shigar da dumama bukatar wani nan da nan mayar da martani, kuma ga na'ura - da hankali da mayar da martani.

Monochrome IR ma'aunin zafi da sanyio ne mai sauki, kuma an yi amfani da lokuta inda high quality-kayayyakin don ƙirƙirar zazzabi iko da muhimmanci sosai.

dual-zango thermometry

Don ƙarin hadaddun ayyuka, inda cikin cikakkar ji daidaito ne m, da kuma inda samfurin ne hõre jiki ko sunadarai danniya, kuma ya shafi biyu-kalaman radiometry. A ra'ayi fito a cikin farkon 1950s, da kuma 'yan canje-canje a cikin zane na hardware da kuma ƙara da yawan aiki da kuma rage ta halin kaka.

A Hanyar kunshi a aunawa da ikon na yawa a biyu daban-daban wavelengths. A zafin jiki na abu za a iya karanta kai tsaye daga kayan, idan emissivity na wannan ga kowane zango. Alamomi zai zama gaskiya ko da idan fagen view partially katange gwada da sanyi kayan, kamar ƙura, waya fuska na launin toka da translucent taga. Hanyar Ka'idar ne mai sauki. Idan biyu annurin zango ne guda (ga wani m jiki), da watsi coefficient an rage da kuma aboki zama na gwargwado ga zazzabi.

Dual-zango Laser ma'aunin zafi da sanyio da ake amfani a masana'antu da kuma gudanar da bincike a matsayin mai sauki, musamman haska cewa zai iya rage ji kuskure.

Bugu da ƙari kuma, multiwavelength ma'aunin zafi da sanyio kafa ga kayan da ba su launin toka jikinsu, da sha coefficient wanda dabam tare da zango. A cikin wadannan lokuta muna bukatar wani cikakken bincike na kayan surface halaye a kan dangantakar da coefficient na zango, zazzabi da kuma sinadaran abun da ke ciki na surface. Tare da wadannan bayanai shi ne zai yiwu ya haifar da wani lissafi algorithm dangane da na radiation a daban-daban wavelengths a kan zazzabi.

daraja dokoki

Don tantance da daidaito na ji mai amfani dole san da wadannan:

• IR na'urori masu auna sigina inherently ba rarrabe launuka.
• Idan surface ne m, sa'an nan da na'urar zai kafa ba kawai ake jefarwa amma kuma da nuna makamashi.
• Idan abu ne m, shi wajibi ne IR tacewa (msl, gilashin opaque a 5 microns).
• A tara daga cikin goma lokuta da cikakken daidai ji ake bukata. Maimaita karatu da kuma rashin nuna bambanci zai samar da zama dole daidaici. Lokacin da annurin canje-canje da kuma aiki ne da wuya, ya kamata zauna a two ko Multi-zango radiometer.

tsarin abubuwa

Laser maras lamba ma'aunin zafi da sanyio aiki a kan manufa da infrared makamashi a ƙofar da kuma fita sigina. Basic kewaye na'urar kunshi wani tattara kimiyyan gani da hasken wuta, ruwan tabarau, na tacewa da kuma injimin gano illa a matsayin waje ke dubawa. Dynamic aiki ne da za'ayi daban, amma shi za a iya rage zuwa bunkasa, thermal karfafawa sigina na linearization kuma canji. Al'ada taga gilashin da ake amfani da gajeren-kalaman radiation, ma'adini for midrange da germanium ko tutiya sulfide ga 8-14 micron range, fiber - at wavelengths na 0.5-5.0 microns.

gani

Laser m ma'aunin zafi da sanyio ne halin a filin na view (FOV) - yawan zafin jiki kula tabo size a iyakancen nesa. Canza diamita daga cikin filin ra'ayi ne kai tsaye na gwargwado ga wani canji a tazarar dake tsakanin ma'aunin zafi da sanyio da ji abu. Its darajar ya dogara da manufacturer da kuma tasiri a kan naúrar farashin. Akwai juna tare da PP fiye da 1 mm for batu ma'aunai, da kuma dogon zangon-kimiyyan gani da hasken wuta (7 cm a nesa na 9 m). Aiki nesa ba ya shafar daidaito na karatu, idan abu ya cika ji tabo. Matsakaicin siginar asara kamata ba ƙetare 1%.

saiti

Al'ada IR thermometers nuna ma'aunai ba tare da ƙarin na'urorin. Wannan shi ne m don amfani da manyan abubuwa, kamar takarda yanar gizo, inda batu daidaito ba bukata. Domin kananan ko m abubuwa ta amfani da Laser katako. Halitta da dama bambance-bambancen karatu na Laser sighting.

1. A katako biya diyya daga Tantancewar axis. A sauki model cewa an yi amfani da na'urori tare da low ƙuduri zuwa manyan abubuwa, watau. K. The kusanci da karkacewa ne ma manyan.
2. Coaxial masaƙa. Kada karkacewa daga Tantancewar axis. da aunawa tabo cibiyar daidai kayyade a wani nesa.
3. Dual Laser. Spot diamita labeled maki biyu, abin da gusar da bukatar tsammani ko lissafi da diamita da kuma ba ya haifar da kurakurai.
4. Madauwari akan biya diyya. Yana nuna fagen view of ta size da waje iyaka.
5. 3-aya coaxial akan. A katako ne zuwa kashi uku mai haske maki a kan wannan layin. Midpoint suturta tabo cibiyar, kuma da matsanancin diamita ta mark.

Saiti don samar da tasiri taimako a karkashin shugabanci na ma'aunin zafi da sanyio daidai a ji abu.

tacewa

A thermometers ana amfani da gajeren kalaman tace for high zazzabi ma'aunai (> 500 ° C) da kuma dogon zango tace ga low yanayin zafi (-40 ° C). Silicon gane, msl, resistant don zafi, da kuma karamin zango rage ji kuskure. Sauran zabe tace aka yi amfani da roba fina-finan (3.43 microns da kuma 7.9 microns), gilashin (5.1 microns) da kuma harshen wuta (3.8 microns).

na'urori masu auna sigina

Mai na'urori masu auna sigina ko photoelectric sa ƙarfin lantarki idan hõre IR radiation, ko photoconductive, t. E. sauya ta juriya karkashin mataki na makamashi Madogararsa. Su ne m, sosai m, da wani m zazzabi gantali, wanda za a iya shawo kan, misali, thermistor zazzabi diyya kewaye, an atomatik sifili kewaye, da kuma mawadãta iyakance isothermal kariya.

A sarkar IR ma'aunin zafi da sanyio game 100-1000 mv injimin gano illa fitarwa siginar da take dubu-Musulunci enhancement da aka kayyade, shi ne linearized, da kuma, a sakamakon, wakiltar wani mikakke halin yanzu ko ƙarfin lantarki sigina. Its ganiya darajar 4-20 MA, domin rage waje tsangwama. Wannan alama za a iya ciyar da zuwa RS-232 tashar jiragen ruwa, ko da PID kula, m nuni ko rikodi na'urar. Sauran embodiments amfani da siginar:

• kunna / kashe sigina.
• ganiya riƙe darajar.
• daidaitacce martani lokaci.
• wani samfurin da kuma riƙe kewaye.

gudun

Infrared Laser ma'aunin zafi da sanyio yana da wani talakawan martani lokaci na 300 ms, ko da yake da amfani da silicon gane iya isa wani darajar 10 ms. A da yawa kida martani lokaci canje-canje zuwa dampen shigowa amo da kuma daidaita ji na ƙwarai. Ba ko da yaushe bukatar wani m martani lokaci. Alal misali, a cikin shigar da dumama lokaci ya kamata ta kasance a cikin kewayon 10-50 ms.

Features na Laser thermometers

Etekcity Lasergrip 630 - infrared 2 Laser ma'aunin zafi da sanyio farashin $ 35.99. Features:

• zazzabi kewayon -50 ... +580 ° C;
• daidaito +/- 2%.
• distance ga tabo girman rabo daga 16: 1;
• emissivity 0.1 - 1.0.
• Martani lokaci <500 ms.
• ƙuduri na 1 ° C.

Laser ma'aunin zafi da sanyio (hoto) kuma sanar da game da most, karami da kuma talakawan zafin jiki. A ma'auni tabo da aka canja ta 2 cm kasa da saiti batu. Laser niyya mafi daidai a rarrabawa haskoki (36 cm).

Amprobe IR-710 - infrared Laser ma'aunin zafi da sanyio, Farashin ne $ 49,95. Features:

• zazzabi kewayon -50 ... +538 ° C;
• Mafi qarancin tabo size of 20 mm.
• daidaito +/- 2%.
• distance ga tabo girman rabo daga 12: 1;
• emissivity na 0,95;
• da mayar da martani lokaci na 500 ms.
• ƙuduri na 1 ° C.

Wannan Laser ma'aunin zafi da sanyio (photo) wasu fiye da na yanzu da yawan zafin jiki, da shi ma ya nuna m da kuma iyakar dabi'u.