Kiliya firikwensin
Sau da yawa ba ka ganin inda jikin ya ƙare ya fara. Wasu motocin suna sanye da na'urori masu auna nisa.
An tsara sifofin jikin mota na zamani ta yadda filin kallon direban lokacin da aka iyakance.
Waɗannan na'urori suna sauƙaƙa yin motsi a cikin ƴan ƴan wuraren ajiye motoci da gareji masu cunkoso. Irin wannan tsarin yana aiki kamar sautin ƙararrawa. Na'urori masu auna firikwensin da ke cikin bumpers, suna ɗauke da nau'in piezoelectric hadedde tare da haɗaɗɗiyar da'ira, suna fitar da duban dan tayi a mitar 25-30 kHz kowane 30-40 ms, wanda ke dawowa azaman amsawa bayan tunani daga wani abu a tsaye. A wannan yanayin, ana ƙididdige nisa zuwa cikas.
Kewayon na'urar yana daga 20 zuwa 180 cm. Ana kunna ta ta atomatik lokacin da aka kunna na'urar ta baya, kuma a cikin yanayin na'urar gaba da aka shiga bayan saurin ya ragu ƙasa da 15-20 km / h. Mai amfani kuma yawanci yana iya kunna su da kashe su tare da maɓalli.
Akwai hanyoyi daban-daban na sigina girman amintaccen nisa: sauti, haske ko hade. Ƙarar sauti, launi ko tsayin sanduna masu launi akan nunin sun dogara ne akan adadin sarari da aka bari zuwa bango ko ƙarar wata mota. Gabaɗaya, lokacin kusantar su a nesa da ƙasa da 35-20 cm, direba yana jin ci gaba da sigina kuma yana ganin alamun walƙiya akan allon.
Ana iya sanya firikwensin da diamita na kusan 15 mm kawai a cikin bumper na baya, sannan akwai 4-6 daga cikinsu, ko kuma a cikin bumper na gaba - to jimlar adadin su shine 8-12. Firikwensin filin ajiye motoci wani ɓangare ne na ainihin kayan aikin motar ko wani ɓangare na tayin kamfanonin da ke samar da ƙarin kayan haɗi.
