{"id":58654,"date":"2022-05-26T07:22:04","date_gmt":"2022-05-26T07:22:04","guid":{"rendered":"https:\/\/thermaldevices.eu\/ka-darbojas-termiskas-attelveidosanas-sistema\/"},"modified":"2022-05-26T07:22:04","modified_gmt":"2022-05-26T07:22:04","slug":"ka-darbojas-termiskas-attelveidosanas-sistema","status":"publish","type":"post","link":"https:\/\/thermaldevices.eu\/lv\/ka-darbojas-termiskas-attelveidosanas-sistema\/","title":{"rendered":"K\u0101 darbojas term\u0101l\u0101 att\u0113lveido\u0161ana?"},"content":{"rendered":"

Termisk\u0101 infrasarkan\u0101 starojuma p\u0101rveido\u0161ana redzam\u0101 att\u0113l\u0101
\nTemperat\u016bras at\u0161\u0137ir\u012bbu uztvere
\nTermiskais sensors – jebkura termokameras galven\u0101 sast\u0101vda\u013ca<\/p>\n

TERMOKAMERU DARB\u012aBAS PRINCIPI<\/h1>\n
\n
\n
\n
\n
\n
\n

In\u017eenierzin\u0101tn\u0113s past\u0101v priek\u0161meta un fona j\u0113dzieni. Objekti ir parastas lietas, kas ir j\u0101atpaz\u012bst un j\u0101p\u0101rbauda (cilv\u0113ki, transportl\u012bdzek\u013ci, dz\u012bvnieki u. c.), fons ir viss p\u0101r\u0113jais, ko neaizsedz objekts skata lauk\u0101 (me\u017es, z\u0101le, \u0113kas utt.).<\/p>\n

Visu term\u0101l\u0101s att\u0113lveido\u0161anas sist\u0113mu darb\u012bbas pamat\u0101 ir temperat\u016bras at\u0161\u0137ir\u012bbu uztver\u0161ana starp div\u0101m liet\u0101m, t. i., objektu pret fonu, un \u0161\u012bs at\u0161\u0137ir\u012bbas p\u0101rv\u0113r\u0161ana redzam\u0101 att\u0113l\u0101. T\u0101 k\u0101 visi \u0137erme\u0146i netiek uzkars\u0113ti vien\u0101di, rodas infrasarkan\u0101 starojuma sadal\u012bjuma att\u0113ls. Jo liel\u0101ka ir starp\u012bba starp objekta IR starojuma intensit\u0101ti un fona IR starojuma intensit\u0101ti, jo lab\u0101k iz\u0161\u0137irams un kontrastain\u0101ks ir termiskais att\u0113ls. M\u016bsdienu term\u0101l\u0101s att\u0113lveido\u0161anas ier\u012bces sp\u0113j noteikt temperat\u016bras at\u0161\u0137ir\u012bbas 0,015-0,07\u00b0C robe\u017e\u0101s.<\/p>\n

\"\"
\nLiel\u0101k\u0101 da\u013ca nakts redzam\u012bbas ier\u012b\u010du, kuru pamat\u0101 ir att\u0113la pastiprin\u0101t\u0101ju lampas vai CMOS\/CCD sensori, uztver infrasarkano starojumu 0,78-1 \u00b5m vi\u013c\u0146u garuma diapazon\u0101, kas ir tikai par da\u013cu liel\u0101ks nek\u0101 cilv\u0113ka acs spektr\u0101l\u0101 jut\u012bba. Term\u0101l\u0101s att\u0113lveido\u0161anas ier\u012bces darbojas 3-555 \u00b5m (MWIR jeb vid\u0113jo infrasarkano vi\u013c\u0146u diapazon\u0101) un 8-14 \u00b5m (LWIR jeb garo infrasarkano vi\u013c\u0146u diapazon\u0101). \u0160aj\u0101 vi\u013c\u0146u garuma josl\u0101 zemes virsmas atmosf\u0113ras sl\u0101\u0146i ir caursp\u012bd\u012bgi IR starojumam, un nov\u0113rojamo objektu ar temperat\u016bru -50 – +50\u00b0C izstarojam\u012bba ir visaugst\u0101k\u0101.<\/p>\n

Termokamera ir elektroniska nov\u0113ro\u0161anas ier\u012bce, kas rada temperat\u016bras starp\u012bbas att\u0113lu nov\u0113rotaj\u0101 telpas apgabal\u0101. Katra termokameras pamatkomponents ir mikrobolometru mas\u012bvs (termiskais sensors), un katrs \u0161\u012b mas\u012bva att\u0113la elements (pikse\u013ci) var m\u0113r\u012bt temperat\u016bru ar augstu precizit\u0101ti.
\n\"\"<\/p>\n

Termokameru priek\u0161roc\u012bba ir t\u0101, ka t\u0101m nav nepiecie\u0161ami nek\u0101di \u0101r\u0113ji apgaismojuma avoti, t\u0101s ir pas\u012bvas sist\u0113mas, kas labi darbojas gan dienas, gan meln\u0101s nakts stund\u0101s. K\u0101 min\u0113ts iepriek\u0161, slikti laika apst\u0101k\u013ci, piem\u0113ram, migla vai lietus, nerada \u0161\u0137\u0113r\u0161\u013cus termokamerai, jo \u0161\u0101di apst\u0101k\u013ci parast\u0101s nakts redzam\u012bbas ier\u012bces padar\u012btu piln\u012bgi bezj\u0113dz\u012bgas.<\/p>\n

Visu term\u0101l\u0101s att\u0113lveido\u0161anas ier\u012b\u010du darb\u012bbu var vienk\u0101r\u0161i aprakst\u012bt \u0161\u0101di:<\/p>\n

    \n
  • Termokameras objekt\u012bvs veido temperat\u016bras karti, kas att\u0113lo visu, kas atrodas redzam\u012bbas lauk\u0101, uz termisk\u0101 sensora virsmas (sauktu ar\u012b par temperat\u016bras starp\u012bbas karti).<\/li>\n
  • Mikroprocesors un citi elektroniskie elementi nolasa datus no termisk\u0101 sensora, apstr\u0101d\u0101 tos un izveido formu displej\u0101, kas att\u0113lo datu vizu\u0101lo interpret\u0101ciju. Nov\u0113rot\u0101js \u0161o att\u0113lu apl\u016bko caur okul\u0101ru vai tie\u0161i uz ekr\u0101na.<\/li>\n<\/ul>\n

    Termokamer\u0101m ir vair\u0101k kop\u012bga ar digit\u0101laj\u0101m nakts redzam\u012bbas ier\u012bc\u0113m nek\u0101 att\u0113lu pastiprino\u0161\u0101m nakts redzam\u012bbas ier\u012bc\u0113m (ko parasti d\u0113v\u0113 par analogaj\u0101m sist\u0113m\u0101m), un t\u0101s \u013cauj veikt vair\u0101k lietot\u0101ja noteiktu iestat\u012bjumu un piel\u0101gojumu.<\/p>\n

    Piem\u0113ram, spilgtuma un kontrasta iestat\u012bjumi, att\u0113la kr\u0101su iestat\u012bjumi, pal\u012bginform\u0101cijas ievieto\u0161ana skata lauk\u0101 (pa\u0161reiz\u0113jais laiks, akumulatora uzl\u0101des l\u012bmenis, akt\u012bvo re\u017e\u012bmu ikonas u. c.), digit\u0101l\u0101 t\u0101lummai\u0146a, att\u0113ls att\u0113l\u0101 (papildu neliel\u0101 log\u0101 tiek par\u0101d\u012bts palielin\u0101ts nov\u0113rojam\u0101 objekta vai t\u0101 da\u013cas att\u0113ls) un displeja izsl\u0113g\u0161anas funkcijas (tiek izmantotas ener\u0123ijas taup\u012b\u0161anai un aizmugures apgaismojuma nov\u0113r\u0161anai).<\/p>\n

    Termogr\u0101fiskajiem un digit\u0101lajiem \u0161auten\u0113m var b\u016bt ar\u012b daudzas funkcijas, kas var pal\u012bdz\u0113t \u0161\u0101v\u0113jam, piem\u0113ram, da\u017e\u0101das izv\u0113les t\u012bklojumi ar da\u017e\u0101d\u0101m form\u0101m un kr\u0101s\u0101m, \u0113rtas un \u0101tras nulles iestat\u012b\u0161anas funkcijas, piem\u0113ram, “viena \u0161\u0101viena nulles iestat\u012b\u0161ana” un “Freeze” nulles iestat\u012b\u0161ana, autom\u0101tisk\u0101s korekcijas funkcijas, kas saist\u012btas ar att\u0101lumu, vair\u0101ki nulles iestat\u012b\u0161anas profili da\u017e\u0101d\u0101m \u0161auten\u0113m, s\u0101nu sl\u012bpuma, augstuma le\u0146\u0137a un daudzas citas.<\/p>\n

    Sal\u012bdzinot ar analogajiem nakts redzam\u012bbas t\u0101lskatiem, digit\u0101l\u0101s un term\u0101l\u0101s att\u0113lveido\u0161anas ier\u012bc\u0113s t\u012bklojums parasti ir “digit\u0101ls”, t. i., t\u012bklojuma att\u0113ls tiek p\u0101rkl\u0101ts ar skatuves att\u0113lu, izmantojot video apstr\u0101di. T\u0101 k\u0101 nov\u0113rojam\u0101 objekta att\u0113ls un t\u012bkls atrodas vien\u0101 plakn\u0113 (displeja plakn\u0113), tiek nov\u0113rsti t\u0101di efekti k\u0101 paralaksa. M\u0113rier\u012bce tiek p\u0101rvietota elektroniski, kas \u013cauj atteikties no meh\u0101nisk\u0101s korekcijas elementiem, kas parasti ir analogajos t\u0101lskatos. T\u0101p\u0113c \u0161os meh\u0101niskos korekcijas elementus, kuru ra\u017eo\u0161anai un mont\u0101\u017eai ir nepiecie\u0161ams d\u0101rgs un prec\u012bzs process, var piln\u012bb\u0101 iz\u0146emt no digit\u0101laj\u0101m un termiskaj\u0101m ier\u012bc\u0113m.<\/p>\n

    Termokamer\u0101s var b\u016bt ieb\u016bv\u0113ti ar\u012b videore\u0123istratori nov\u0113rojamo objektu att\u0113lu un video uz\u0146em\u0161anai un daudzas citas pal\u012bgfunkcijas, piem\u0113ram, bezvadu datu (fotoatt\u0113lu, video) p\u0101rraide (pa radiokan\u0101lu, Wi-Fi) uz \u0101r\u0113j\u0101m ier\u012bc\u0113m, ier\u012bces t\u0101lvad\u012bba (piem\u0113ram, izmantojot mobilo ier\u012bci), integr\u0101cija ar l\u0101zeru t\u0101lm\u0113ri (t\u0101lmiera dati par\u0101d\u0101s ier\u012bces ekr\u0101n\u0101) un integr\u0101cija ar GPS sensoriem (\u0123eopozicion\u0113\u0161ana) utt.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

    Termisk\u0101 infrasarkan\u0101 starojuma p\u0101rveido\u0161ana redzam\u0101 att\u0113l\u0101 Temperat\u016bras at\u0161\u0137ir\u012bbu uztvere Termiskais sensors – jebkura termokameras galven\u0101 sast\u0101vda\u013ca TERMOKAMERU DARB\u012aBAS PRINCIPI In\u017eenierzin\u0101tn\u0113s<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[856],"tags":[],"class_list":["post-58654","post","type-post","status-publish","format-standard","hentry","category-padomi-un-padomi"],"_links":{"self":[{"href":"https:\/\/thermaldevices.eu\/lv\/wp-json\/wp\/v2\/posts\/58654","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/thermaldevices.eu\/lv\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/thermaldevices.eu\/lv\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/thermaldevices.eu\/lv\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/thermaldevices.eu\/lv\/wp-json\/wp\/v2\/comments?post=58654"}],"version-history":[{"count":0,"href":"https:\/\/thermaldevices.eu\/lv\/wp-json\/wp\/v2\/posts\/58654\/revisions"}],"wp:attachment":[{"href":"https:\/\/thermaldevices.eu\/lv\/wp-json\/wp\/v2\/media?parent=58654"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/thermaldevices.eu\/lv\/wp-json\/wp\/v2\/categories?post=58654"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/thermaldevices.eu\/lv\/wp-json\/wp\/v2\/tags?post=58654"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}