{"id":76791,"date":"2020-04-04T19:42:31","date_gmt":"2020-04-04T17:42:31","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/amerikanczy-predlozhili-sobirat-energiyu-dlya-interneta-veshhej-iz-magnitnyh-polej-blizhajshej-elektroprovodki"},"modified":"2020-04-04T19:42:31","modified_gmt":"2020-04-04T17:42:31","slug":"amerikanczy-predlozhili-sobirat-energiyu-dlya-interneta-veshhej-iz-magnitnyh-polej-blizhajshej-elektroprovodki","status":"publish","type":"post","link":"https:\/\/prohoster.info\/hu\/blog\/news\/amerikanczy-predlozhili-sobirat-energiyu-dlya-interneta-veshhej-iz-magnitnyh-polej-blizhajshej-elektroprovodki","title":{"rendered":"Amerikaiak javasolt\u00e1k, hogy az IoT sz\u00e1m\u00e1ra m\u00e1gneses mez\u0151kb\u0151l gy\u0171jtsenek energi\u00e1t a k\u00f6zeli elektromos vezet\u00e9kekb\u0151l.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Az elektromoss\u00e1g kinyer\u00e9s\u00e9nek t\u00e9m\u00e1ja a «leveg\u0151b\u0151l» \u2015 elektrom\u00e1gneses zajb\u00f3l, rezg\u00e9sb\u0151l, f\u00e9nyb\u0151l, p\u00e1ratartalomb\u00f3l \u00e9s m\u00e9g sok m\u00e1sb\u00f3l \u2015 a polg\u00e1ri kutat\u00f3kat \u00e9s egyenruh\u00e1s koll\u00e9g\u00e1ikat egyar\u00e1nt foglalkoztatja. Ezen a ter\u00fcleten tett hozz\u00e1j\u00e1rul\u00e1suk sokat tett hozz\u00e1 az tudom\u00e1nyos k\u00f6z\u00f6ss\u00e9g<\/a><\/noindex> a Pennsylvaniai \u00c1llami Egyetem tud\u00f3sainak k\u00f6sz\u00f6nhet\u0151en. A k\u00f6zeli vezet\u00e9kek elektrom\u00e1gneses tereib\u0151l elektromoss\u00e1got tudtak gener\u00e1lni n\u00e9h\u00e1ny milliwattnyi teljes\u00edtm\u00e9nnyel, ami p\u00e9ld\u00e1ul elegend\u0151 egy digit\u00e1lis \u00e9breszt\u0151\u00f3ra k\u00f6zvetlen t\u00e1pell\u00e1t\u00e1s\u00e1hoz.<\/p>\n

\"Amerikaiak<\/p>\n

A Energy & Environmental Science<\/a><\/noindex> c\u00edm\u0171 foly\u00f3iratban megjelent tanulm\u00e1nyukban a tud\u00f3sok az elektrom\u00e1gneses mez\u0151k elektromos \u00e1ramm\u00e1 t\u00f6rt\u00e9n\u0151 \u00e1talak\u00edt\u00e1s\u00e1nak sz\u00e1m\u00edt\u00e1sair\u00f3l \u00e9s az ehhez sz\u00fcks\u00e9ges k\u00fcl\u00f6nleges \u00e1talak\u00edt\u00f3k gy\u00e1rt\u00e1s\u00e1r\u00f3l sz\u00e1moltak be. A kinyer\u0151 elem egy r\u00e9teges v\u00e9kony lemez form\u00e1j\u00e1ban k\u00e9sz\u00fclt, amelynek szabad v\u00e9g\u00e9n \u00e1lland\u00f3 m\u00e1gnes tal\u00e1lhat\u00f3 (a lemez m\u00e1sik v\u00e9ge biztons\u00e1gosan r\u00f6gz\u00edtve van). A lemez piezoelektromos r\u00e9tegb\u0151l \u00e9s m\u00e1gneses deform\u00e1ci\u00f3val<\/a><\/noindex> rendelkez\u0151 anyagb\u00f3l (Fe85B5Si10 Metglas) \u00e1ll.<\/p>\n

A m\u00e1gneses deform\u00e1ci\u00f3s anyag \u00e9rdekess\u00e9ge, hogy a m\u00e1gnesess\u00e9gi \u00e1llapot v\u00e1ltoz\u00e1sakor a t\u00e9rfogata \u00e9s a line\u00e1ris m\u00e9retei is megv\u00e1ltoznak. A videok\u00e1rty\u00e1kon tapasztalhat\u00f3 ideges\u00edt\u0151 b\u00fag\u00e1s \u00e1ltal\u00e1ban a m\u00e1gneses deform\u00e1ci\u00f3val kapcsolatos v\u00e1ltoz\u00e1sok k\u00f6vetkezm\u00e9nye. Az 50 vagy 60 Hz frekvenci\u00e1j\u00fa v\u00e1ltakoz\u00f3 elektrom\u00e1gneses mez\u0151ben a Metglas lemez rezegni kezd, \u00e9s deform\u00e1lja az ahhoz r\u00f6gz\u00edtett piezoelektromos lemezt. A lemezekhez csatlakoztatott \u00e1ramk\u00f6rbe \u00e1ram kezd folyni.<\/p>\n

\"Amerikaiak<\/p>\n

A magnetosztrikt\u00edv anyag azonban a piezoelektronikkal p\u00e1ros\u00edtva az elem \u00e1ltal gener\u00e1lt elektromoss\u00e1g csup\u00e1n 16 % -\u00e1t k\u00e9pes el\u0151\u00e1ll\u00edtani. A legnagyobb termel\u00e9st a permanens m\u00e1gnes rezg\u00e9se biztos\u00edt az elektrom\u00e1gneses mez\u0151ben. \u00c1ll\u00edtj\u00e1k, hogy az elem cs\u00facsfesz\u00fclts\u00e9ge 80 V-ot \u00e9r el egy 300 \u00b5T mez\u0151ben. De a leg\u00e9rt\u00e9kesebb, hogy a kifejlesztett elem elegend\u0151 energi\u00e1t tudott termelni a digit\u00e1lis \u00f3r\u00e1k k\u00f6zvetlen t\u00e1pl\u00e1l\u00e1s\u00e1hoz egy 50 \u00b5T-n\u00e1l kisebb mez\u0151ben, 20 cm t\u00e1vols\u00e1gra az elektromos vezet\u00e9kekt\u0151l.<\/p>\n

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

A Pennsylvaniai \u00c1llami Egyetem tud\u00f3sai egy\u00fctt dolgoztak a Virginia Tech kutat\u00f3ival \u00e9s az Amerikai Hadsereg Harci K\u00e9pess\u00e9gek Fejleszt\u00e9si Parancsnoks\u00e1g\u00e1nak csoportj\u00e1val.<\/p>\n

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Forr\u00e1s: 3dnews.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\u0422\u0435\u043c\u0430 \u0434\u043e\u0431\u044b\u0447\u0438 \u044d\u043b\u0435\u043a\u0442\u0440\u0438\u0447\u0435\u0441\u0442\u0432\u0430 \u0438\u0437 «\u0432\u043e\u0437\u0434\u0443\u0445\u0430» \u2015 \u0438\u0437 \u044d\u043b\u0435\u043a\u0442\u0440\u043e\u043c\u0430\u0433\u043d\u0438\u0442\u043d\u043e\u0433\u043e \u0448\u0443\u043c\u0430, \u0432\u0438\u0431\u0440\u0430\u0446\u0438\u0439, \u0441\u0432\u0435\u0442\u0430, \u0432\u043b\u0430\u0436\u043d\u043e\u0441\u0442\u0438 \u0438 \u043c\u043d\u043e\u0433\u043e \u0438\u0437 \u0447\u0435\u0433\u043e \u0435\u0449\u0451 \u2015 \u0432\u043e\u043b\u043d\u0443\u0435\u0442 \u043a\u0430\u043a \u0433\u0440\u0430\u0436\u0434\u0430\u043d\u0441\u043a\u0438\u0445 \u0438\u0441\u0441\u043b\u0435\u0434\u043e\u0432\u0430\u0442\u0435\u043b\u0435\u0439, \u0442\u0430\u043a \u0438 \u0438\u0445 \u043a\u043e\u043b\u043b\u0435\u0433 \u0441 \u043f\u043e\u0433\u043e\u043d\u0430\u043c\u0438. \u0421\u0432\u043e\u0439 \u0432\u043a\u043b\u0430\u0434 \u0432 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