{"id":133,"date":"2024-01-21T13:01:38","date_gmt":"2024-01-21T12:01:38","guid":{"rendered":"https:\/\/www.vlakyelektronika.com\/?page_id=133"},"modified":"2024-01-22T10:02:08","modified_gmt":"2024-01-22T09:02:08","slug":"magneticky-senzor","status":"publish","type":"page","link":"https:\/\/www.vlakyelektronika.com\/?page_id=133","title":{"rendered":"Magnetick\u00fd senzor"},"content":{"rendered":"\n

Na sn\u00edmanie pohybu lokomot\u00edv pou\u017e\u00edvam magnetick\u00fd unipol\u00e1rny senzor, ktor\u00fd m\u00e1 mnohostrann\u00e9 pou\u017eitie v spojen\u00ed s \u010dasova\u010dmi, tla\u010didlami ON\/OFF, ovl\u00e1dan\u00edm v\u00fdhybiek, osvetlenia,… Samotn\u00fd senzor je vyobrazen\u00fd na foto_1, foto_2. M\u00e1 tri pr\u00edvodn\u00e9 vodi\u010de, \u010derven\u00fd je nap\u00e1janie +U, biely je GND, \u0161ed\u00fd je v\u00fdstup. Druh\u00e9 prevedenie m\u00e1 3 pinov\u00fd JST konektor. Nap\u00e1janie je mo\u017en\u00e9 od 3,8 V do 24 V, ja \u0161tandardne pou\u017e\u00edvam nap\u00e1janie 12V, obr\u00e1zok zdroja n\u00e1jdete na \u010fal\u0161\u00edch foto. Trval\u00e9 za\u0165a\u017eenie senzora je 20mA, kr\u00e1tkodobo 50mA. Typick\u00e1 spotreba je 3mA.<\/p>\n\n\n

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Foto_1, senzor bez konektora.
<\/figcaption><\/figure>\n<\/div>\n\n
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Foto_2, sn\u00edma\u010d s konektorom.<\/figcaption><\/figure>\n<\/div>\n\n\n

Pre spr\u00e1vnu funk\u010dnos\u0165 senzora pohybu je potrebn\u00e9 spr\u00e1vne polarizova\u0165 magnet, ktor\u00fd umiestnime na spodok lokomot\u00edvy alebo in\u00e9ho sledovan\u00e9ho ko\u013eajov\u00e9ho vozidla. Nespr\u00e1vne polarizovan\u00fd magnet nezopne magnetick\u00fd senzor! Umiestnenie magnetu na BR80 je na foto_3.<\/p>\n\n\n

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Foto_3, umiestnenie magnetu.<\/figcaption><\/figure>\n<\/div>\n\n\n

<\/p>\n\n\n\n

Samotn\u00fd senzor pohybu je zo strany s\u00fa\u010diastok natret\u00fd lakom proti vlhkosti (napr. pri \u0161trkovan\u00ed l\u00f4\u017eka), fin\u00e1lnu podobu prevedieme sp\u00f4sobom, ak\u00fa vy\u017eaduje miesto pou\u017eitia. Foto_4.<\/p>\n\n\n

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Foto_4, umiestnenie senzora v za\u0161trkovanom l\u00f4\u017eku.<\/figcaption><\/figure>\n<\/div>\n\n\n

<\/p>\n\n\n\n

Pr\u00edklad pou\u017eitia:<\/p>\n\n\n\n

Na ko\u013eaj prilep\u00edme lepidlom magnetick\u00fd senzor, ktor\u00fd v re\u00e1lnom zapojen\u00ed d\u00e1me tam, kam potrebujeme. Pre \u00fa\u010dely uk\u00e1\u017eky n\u00e1m posta\u010dia tri ko\u013eaje. Pripoj\u00edme zdroj pre nap\u00e1janie senzora a distrib\u00fatora sign\u00e1lu zo sn\u00edma\u010da, ktor\u00fd n\u00e1m pre n\u00e1zornos\u0165 svitom LED di\u00f3dy uk\u00e1\u017ee prejazd lokomot\u00edvy. Toto zapojenie nem\u00e1 \u017eiadne z\u00e1ludnosti, ned\u00e1va falo\u0161n\u00e9 impulzy, vyhovuje pre r\u00f4zne r\u00fdchlosti lokomot\u00edvy a pou\u017eitie sn\u00edma\u010da z\u00e1le\u017e\u00ed na tvorcovi ko\u013eajiska.<\/p>\n\n\n\n

Distrib\u00fator pova\u017eujem za d\u00f4le\u017eit\u00fa s\u00fa\u010das\u0165 zapojenia. M\u00e1 vstupy pre dva sn\u00edma\u010de a\u00a0tri v\u00fdstupy pre ka\u017ed\u00fd sn\u00edma\u010d zvl\u00e1\u0161\u0165, \u010do s\u00a0ve\u013ekou pravdepodobnos\u0165ou budeme potrebova\u0165. \u010eal\u0161ie pripojen\u00e9 obvody je mo\u017en\u00e9 n\u00e1js\u0165, v niektor\u00fdch \u010fal\u0161\u00edch pr\u00edspevkoch.<\/p>\n\n\n\n

Pripoj\u00edme tie\u017e PWM regul\u00e1tor pre nap\u00e1janie lokomot\u00edvy.<\/p>\n\n\n

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\"\"<\/figure>\n<\/div>\n\n\n

<\/p>\n\n\n

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Foto_6, neakt\u00edvny sn\u00edma\u010d.<\/figcaption><\/figure>\n<\/div>\n\n
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Foto_6, akt\u00edvny sn\u00edma\u010d.<\/figcaption><\/figure>\n<\/div>\n\n\n

<\/p>\n\n\n\n

Uk\u00e1\u017eka pou\u017eitia pre ovl\u00e1danie Reverzu s\u00a0tla\u010didlom On Off. Prv\u00fd obr\u00e1zok \u2013 neakt\u00edvne tla\u010didlo, druh\u00fd akt\u00edvne. Kontakty rel\u00e9 je mo\u017en\u00e9 zapoji\u0165 na r\u00f4znym sp\u00f4sobom, \u010do samozrejme z\u00e1le\u017e\u00ed na fant\u00e1zii a potrebe rie\u0161ite\u013ea zapojenia. Reverz + Tla\u010didlo m\u00e1 tri ovl\u00e1dacie vstupy, \u010do n\u00e1m umo\u017e\u0148uje prep\u00ednanie z\u00a0r\u00f4znych \u010dast\u00ed ko\u013eajiska.<\/p>\n\n\n

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\"\"<\/figure>\n<\/div>\n\n\n

Reverz+Tla\u010didlo_On_Off_Neakt\u00edvne.<\/p>\n\n\n

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\"\"<\/figure>\n<\/div>\n\n\n

Reverz+Tla\u010didlo_On_Off_Akt\u00edvne<\/p>\n\n\n\n

Pripojenie nap\u00e1jania 12V sa realizuje priamo zo zdroja, ktor\u00fd m\u00e1 \u0161es\u0165 konektorov + jeden roz\u0161iruj\u00faci do vzdialenej\u0161\u00edch \u010dast\u00ed ko\u013eajiska, druh\u00e1 mo\u017enos\u0165 je (ak s\u00fa moduly bl\u00edzko seba) prep\u00e1ja\u0165 ich z jedn\u00e9ho modulu do druh\u00e9ho, t\u00e1to mo\u017enos\u0165 je zobrazen\u00e1 na obr\u00e1zkoch. <\/p>\n\n\n\n

<\/p>\n","protected":false},"excerpt":{"rendered":"

Na sn\u00edmanie pohybu lokomot\u00edv pou\u017e\u00edvam magnetick\u00fd unipol\u00e1rny senzor, ktor\u00fd m\u00e1 mnohostrann\u00e9 pou\u017eitie v spojen\u00ed s \u010dasova\u010dmi, tla\u010didlami ON\/OFF, ovl\u00e1dan\u00edm v\u00fdhybiek, osvetlenia,… Samotn\u00fd senzor je vyobrazen\u00fd na foto_1, foto_2. M\u00e1 tri pr\u00edvodn\u00e9 vodi\u010de, \u010derven\u00fd je nap\u00e1janie +U, biely je GND, \u0161ed\u00fd je v\u00fdstup. Druh\u00e9 prevedenie m\u00e1 3 pinov\u00fd JST konektor. Nap\u00e1janie je mo\u017en\u00e9 od 3,8 V do 24 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":78,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"class_list":["post-133","page","type-page","status-publish","hentry"],"yoast_head":"\nMagnetick\u00fd senzor - Vlaky Elektronika<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.vlakyelektronika.com\/?page_id=133\" \/>\n<meta property=\"og:locale\" content=\"sk_SK\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Magnetick\u00fd senzor - Vlaky Elektronika\" \/>\n<meta property=\"og:description\" content=\"Na sn\u00edmanie pohybu lokomot\u00edv pou\u017e\u00edvam magnetick\u00fd unipol\u00e1rny senzor, ktor\u00fd m\u00e1 mnohostrann\u00e9 pou\u017eitie v spojen\u00ed s \u010dasova\u010dmi, tla\u010didlami ON\/OFF, ovl\u00e1dan\u00edm v\u00fdhybiek, osvetlenia,… Samotn\u00fd senzor je vyobrazen\u00fd na foto_1, foto_2. 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