Hasken ja shine "tsayawa", hasken kore shine "tafi", kuma hasken rawaya yana kunne "tafi da sauri". Wannan dabarar zirga-zirga ce da muke haddace tun muna yara, amma kun san dalilin da yasazirga-zirga walƙiya haskeya zaɓi ja, rawaya, da kore maimakon wasu launuka?
Launi na fitulun walƙiya
Mun san cewa hasken da ake iya gani wani nau'i ne na igiyoyin ruwa na lantarki, wanda shi ne bangare na electromagnetic spectrum wanda idon dan Adam ke iya gane shi. Domin irin wannan makamashin, gwargwadon tsayin igiyar igiyar ruwa, ƙananan yuwuwar watsawa, kuma mafi nisa tafiya. Tsawon igiyoyin wutar lantarki da idanuwan talakawa za su iya tsinkaya tsakanin nanometer 400 zuwa 760 ne, kuma tsawon hasken mitoci daban-daban su ma sun sha bamban. Daga cikin su, kewayon zangon ja haske shine 760 ~ 622 nanometers; da wavelength kewayon rawaya haske ne 597 ~ 577 nanometers; Tsawon zangon hasken kore shine 577 ~ 492 nanometers. Don haka, ko fitilar da’ira ce ko fitilar kibiya, za a tsara fitilun masu walƙiya a cikin tsari na ja, rawaya, da kore. Babban ko hagu dole ne ya zama haske ja, yayin da hasken rawaya yake a tsakiya. Akwai dalili don wannan tsari - idan wutar lantarki ba ta da ƙarfi ko rana ta yi ƙarfi sosai, ƙayyadaddun tsari na fitilun siginar ya fi sauƙi ga direba don ganowa, don tabbatar da amincin tuki.
Tarihin fitulun walƙiya na zirga-zirga
An tsara fitilolin farko masu walƙiya don jiragen ƙasa maimakon motoci. Saboda ja yana da tsayi mafi tsayi a cikin bakan da ake iya gani, ana iya ganinsa fiye da sauran launuka. Saboda haka, ana amfani da shi azaman hasken siginar zirga-zirga don jiragen ƙasa. A lokaci guda kuma, saboda abubuwan da ke damun ido, al'adu da yawa suna ɗaukar ja a matsayin alamar gargaɗin haɗari.
Green shine na biyu kawai zuwa rawaya a cikin bakan da ake iya gani, yana mai da shi mafi sauƙin launi don gani. A farkon fitilun siginar jirgin ƙasa, kore asalin suna wakiltar “gargaɗi”, yayin da mara launi ko fari ke wakiltar “dukkan zirga-zirga”.
Dangane da "Siginan Railway", asalin madadin launuka na fitilun siginar jirgin ƙasa fari, kore da ja. Wani koren haske yayi alamar gargadi, wani farin haske ya nuna alamar lafiya ta tafi, sai jan haske ya tsaya ya jira kamar yadda yake a yanzu. Duk da haka, a cikin ainihin amfani, fitilun sigina masu launi a cikin dare suna bayyana sosai a kan gine-ginen baƙar fata, yayin da za'a iya haɗawa da farar hasken wuta tare da wani abu. Misali, ana iya haɗawa da wata na gama gari, fitilu, har ma da farar fitilu da shi. A wannan yanayin, direban yana iya yin haɗari sosai saboda ba zai iya bambanta sosai ba.
Lokacin ƙirƙirar hasken siginar rawaya ya ɗan yi latti, kuma wanda ya ƙirƙira shi shine Hu Ruding na kasar Sin. Fitilolin mota na farko suna da kala biyu kawai, ja da kore. Lokacin da Hu Ruding ke karatu a Amurka a farkon shekarunsa, yana tafiya akan titi. Koren wutan ya kunna yana shirin kunnawa wata mota ta juyo ta wuce shi a tsorace ya fice daga motar. Cikin sanyin zufa. Sabili da haka, ya zo da ra'ayin yin amfani da hasken siginar rawaya, wato, rawaya mai tsayi mai tsayi tare da tsayin daka na biyu kawai zuwa ja, kuma ya zauna a cikin matsayi na "gargadi" don tunatar da mutane game da haɗari.
A cikin 1968, Majalisar Dinkin Duniya "yarjejeniyar kan zirga-zirgar ababen hawa da alamomi da sigina" ta bayyana ma'anar fitilu masu walƙiya iri-iri. Daga cikin su, ana amfani da hasken alamar rawaya azaman siginar faɗakarwa. Motocin da ke fuskantar hasken rawaya ba za su iya ketare layin tsayawa ba, amma idan abin hawa ya yi kusa da layin tsayawa kuma ba za ta iya tsayawa cikin aminci cikin lokaci ba, za ta iya shiga mahadar ta jira. Tun daga wannan lokacin, ana amfani da wannan ƙa'idar a duk faɗin duniya.
Abin da ke sama shine launi da tarihin fitilu masu walƙiya, idan kuna sha'awar hasken walƙiya, maraba da tuntuɓarzirga-zirga walƙiya haske mQixiang tokara karantawa.
Lokacin aikawa: Maris 17-2023
