I-Evolution of Sirens Ezimotweni Eziphuthumayo
Ukusuka Kumsuka Kuya Kubuchwepheshe Banamuhla, Uhambo Ngomlando Wezinsimbi
Umsuka kanye ne-Early Evolution
The kwakhala kuqala ngoba izimoto eziphuthumayo buyela emuva ku Ikhulu le-19th lapho imisindo ye-alamu yayikhiqizwa ikakhulukazi izinsimbi noma imishini. Unjiniyela kagesi waseFrance Gustave Trouve wakha inhlabamkhosi yokuqala ngo-1886 ukuze amemezele ukufika buthule kwezikebhe zakhe zikagesi. Phakathi IMpi Yezwe II, zazisetshenziswa eBrithani ukuze izimpawu zokuhlasela emoyeni. Lezi zinhlelo zakuqala ngezinye izikhathi zazinzima futhi zithembele emoyeni ocindezelweyo, okwenza zingasebenzi ezimotweni.
I-Modern Era of Sirens
Kuwo wonke Ikhulu le-20th, izinhlabamkhosi zavela ngokuphawulekayo, zishintsha ukusuka izinhlelo zemishini kuya kwesimanjemanje izinguqulo zikagesi. Izinsimbi zokuqala ze-elekthronikhi zethulwa ku- 1970s, ehlose ukukhiqiza imisindo ehlabayo bamba ukunaka futhi uqinisekise ukuphepha yabaphenduli kanye nomphakathi. Lezi zinhlayiya zaba sezingeni eliphezulu, zahlanganisa izipikha, izikhulisa-zwi, amajeneretha ethoni ezimeni ezihlukahlukene, namabhokisi okulawula avumela ukuphathwa okusheshayo nokuvumelana nezimo. Izinsimbi zanamuhla hlanganisa amathoni ahlukene kanye nezinhlelo zokukhanyisa izimo eziphuthumayo ukuze kwandiswe ukusebenza kahle nomthelela.
I-Pneumatic kanye ne-Electronic Sirens
Izinhlayiya ze-pneumatic sebenzisa amadiski azungezayo anezimbobo (ama-choppers) ukuze aphazamise ukugeleza komoya, enze imisindo eshintshanayo yomoya ocindezelweyo nongavamile. Lezi zinhlelo zingadla amandla amaningi kodwa zenziwe zasebenza kahle ngokusetshenziswa komoya ocindezelwe. Izinhlayiya ze-elekthronikhi, ngakolunye uhlangothi, sebenzisa amasekhethi afana nama-oscillator, ama-modulators, nama-amplifiers ukuze uhlanganise amathoni akhethiwe, adlalwa ngezipikha zangaphandle. Lezi zinhlelo zingakwazi ukulingisa imisindo yezinsimbi zomshini futhi zivame ukusetshenziswa ngokuhambisana nezinsimbi zomoya.
I-Evolution of Emergency Vehicle Lighting
Ngokuhambisana nomlando wama-siren, ukukhanyisa imoto yezimo eziphuthumayo nakho sekuguquke kakhulu. Ekuqaleni, izimoto zezimo eziphuthumayo zazisebenzisa amalambu abomvu afakwe ngaphambili noma ophahleni. Phakathi neMpi Yezwe II eJalimane, okuluhlaza okwesibhakabhaka kwethulwa njengombala wezibani eziphuthumayo ngenxa yezindawo zakhona ezihlakazekayo, okwenza kungabonakali ezindizeni zezitha. Namuhla, ukukhanyisa imoto yezimo eziphuthumayo ziyahlukahluka kakhulu ngokusekelwe emithethweni yendawo futhi ivame ukusetshenziswa ngokuhambisana nezinhlelo ze-siren ukuze kuthuthukiswe ukusebenza kahle futhi inikeze kokubili izexwayiso ezibonakalayo nezizwakalayo.
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