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Forum Elektroniczne • czujniki kolejowe
Strona 1 z 1

czujniki kolejowe

: czw 15 wrz 2005, 16:45
autor: Rafe
potrzebuję informacji ( najlepiej rysunku ) na temat czujników halotronowych wykorzystywanych w kolejnictwie, reagujących na koło przejeżdżającego taboru, gdzie wykorzystywany jest układ różnicowy zapewniający odporność na zakłócenia z sieci trakcyjnej oraz prądu przepływającego przez tory kolejowe.

: sob 17 wrz 2005, 1:22
autor: PI
Witam; czy to sa na pewno czujniki halotronowe??? jaki jest cel ich stosowania??? Dawno wypadłem z obiegu w tym przedmiocie, ale żeby aż taki postep w kolejnictwie?????? Może by zapytać w Zakładzie Trakcji
Instytutu Elektroenergetyki Politechniki Łódzkiej?
PI

: sob 17 wrz 2005, 11:06
autor: Gość
Ponoć zasada działania jest bardzo podobna do czujników transformatorowych, gdzie zostawia się otwarty obwód magnetyczny. Czujnik przykręcony jest do jednego z torów. Przesuwajace się nad czujnikiem koło pociągu zamyka obwód magnetyczny. Istnieją z pewnością czujniki z kontaktronem. Jeżeli zastąpimy kontaktron hallotronem, wówczas otrzymamy czujnik hallotronowy praktycznie bezinercyjny z dużą stabilnością impulsów wyjściowych oraz czujnik uniezależnia się od prędkości składu. Szczerze powiem, że nie do końca wiem do czego są stosowane. Myślę, że mogą liczyć osie pociągu i w ten sposób kontrolować na przykład, czy któryś z wagonów nie uległ odczepieniu, lub mogą określać położenie pociągu, bądź powodować otwieranie czy też zamykanie rogatek na przejazdach kolejowych. Zetknąłem się z czujnikami kolejowymi z konieczności na laborkach z techniki pomiarowej. Teraz mam za zadanie narysować czujnik hallotronowy odporny na zakłóceniaz sieci trakcyjnej. To wykracza poza mój zasób wiedzy, dlatego też szukam pomocy. Być może takie czujniki istnieją, więc po co wyważać otwarte drzwi. Z tego co się orientuję to chyba czujniki te mają w sobie zdublowany obwód i dlatego trzeba zastosować układy różnicowe. Nie wiele wiem na ten temat.

: sob 17 wrz 2005, 23:28
autor: PI

: ndz 18 wrz 2005, 10:45
autor: Rafe

: ndz 18 wrz 2005, 22:07
autor: qba

: pn 19 wrz 2005, 20:39
autor: Rafe

: wt 20 wrz 2005, 13:47
autor: movzx

: wt 20 wrz 2005, 21:08
autor: Rafe
Praktycznie to będę miał okazję go pozdrowić, w ramach tzw. "kampanii wrześniowej" na egzaminie w najbliższą niedzielę, ale wydaje mi się, że nie wypada :)

: wt 20 wrz 2005, 23:12
autor: Rapid130
Nie spotkałem się nigdzie w urzadzeniach SRK z czujnikiem halotronowym. Jesli zaś chodzi o czujniki obecnie używane np w samoczynnej syganalizacji przejazdowej to są to następujace czujniki :

czujnik pociagu EOC-1, EOC-3
czujnik koła CTI-3, ELS-81

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