Kana iwe ukashanyira fekitori yemazuva ano uye ukaona zvinoshamisa zvemagetsi zviri kushanda musero regungano, unoona akasiyana masensor pakuratidzira. Mazhinji eaya masensa ane waya akaparadzana eiyo positive voltage supply, pasi uye chiratidzo. Kushandisa simba kunobvumira sensor kuti iite basa rayo, kungave kuri kucherechedza kuvepo kwe ferromagnetic simbi padyo kana kutumira mwenje wemwenje kunze sechikamu chekuchengetedzwa kwenzvimbo. Iwo akazvininipisa mechanicha switch anokonzeresa masensa aya, senge rutsanga, anongoda waya mbiri kuti vaite mabasa avo. Idzi shanduko dzinoshanda uchishandisa magineti minda.
Chii chinonzi Reed Switch?
Kuchinja kwetsanga kwakazvarwa muna 1936. Yakanga iri brainchild yeWB Ellwood paBell Telephone Laboratories, uye yakawana patent yayo muna 1941. Switch inoratidzika sediki girazi capsule ine magetsi anotungamira achibuda kubva kumagumo ega ega.
Reed Switch Inoshanda Sei?
Iyo switching mechanism inoumbwa nemashizha maviri eferromagnetic, akapatsanurwa nemamicrons mashoma. Kana magineti ichisvika pamashizha aya, mashizha maviri anokweva akananga kune rimwe. Kana angobata, mablades anovhara anowanzo kuvhurika (NO) macontacts, achibvumira magetsi kuyerera. Mamwe machinjiro etsanga anewo isiri-ferromagnetic yekubata, iyo inoumba yakajairika yakavharwa (NC) kubuda. Magineti inosvika pedyo inobvisa chinobatika uye yobva yabva painobatidza.
Mazita anogadzirwa kubva kune akasiyana simbi, kusanganisira tungsten uye rhodium. Mamwe marudzi anotoshandisa mercury, iyo inofanirwa kuchengetwa muchimiro chakakodzera kuti ichinje nemazvo. Hamvuropu yegirazi yakazadzwa negasi inert—kazhinji nitrogen—inonamira panobatirira mukati memhepo imwe chete. Kuisa chisimbiso kunoparadzanisa zvinobatika, izvo zvinodzivirira corrosion uye chero twumoto dzingangokonzerwa nekufamba kwekubata.
Reed Shandura Zvishandiso muNyika Chaiyo
Uchawana masensor muzvinhu zvemazuva ese semota nemichina yekuwachisa, asi imwe yenzvimbo dzinonyanya kutariswa idzi switch/sensor dzinoshanda iri mumaaramu embavha. Muchokwadi, maaramu chinenge chakakwana application kune iyi tekinoroji. Hwindo rinofambiswa kana gonhi rine magineti, uye sensor inogara pachigadziko, ichipfuura chiratidzo kudzamara magineti abviswa. Kana hwindo rakazaruka—kana kuti kana mumwe munhu akacheka waya—aramu icharira.
Nepo maaramu embavha ari akanakisa kushandiswa kwetsanga switch, zvishandiso izvi zvinogona kunge zvidiki. Iyo miniaturized switch inokwana mukati memichina yekurapa yakakandwa inozivikanwa sePillCams. Kana murwere akangomedza diki probe, chiremba anogona kuimutsa vachishandisa magineti kunze kwemuviri. Kunonoka uku kunochengetedza simba kudzamara probe yaiswa zvakanaka, zvinoreva kuti mabhatiri emubhodhi anogona kunge ari madiki, chinhu chakakosha muchimwe chinhu chakagadzirirwa kufamba nemudumbu remunhu. Kunze kwehukuru hwayo hudiki, ichi chishandiso chinoratidzawo kuti vangaite sei, sezvo ma sensors aya anogona kutora magineti kuburikidza nenyama yemunhu.
Tsvina dzetsanga hadzidi magineti echigarire kuti adziite; electromagnet relay inogona kuvabatidza. Sezvo Bell Labs yakatanga kugadzira switch idzi, hazvishamise kuti indasitiri yenhare yakashandisa relay dzetsanga dzekutonga uye ndangariro kusvika zvese zvaenda kudhijitari kuma1990s. Rudzi urwu rwekudzoreredza haruchagadziri kumashure kwehurongwa hwedu hwekutaurirana, asi vachiri kuwanda mune mamwe akawanda maapplication nhasi.
Zvakanakira Reed Relays
Iyo Hall effect sensor ndeye yakasimba-state mudziyo unogona kuona magineti, uye ndiyo imwe nzira kune rutsanga switch. Mhedzisiro yemuhoro zvechokwadi yakakodzera kune mamwe maapplication, asi machinjiro etsanga anoratidza ekumusoro magetsi ega kune akasimba-state mumwe wavo, uye anotarisana nekushomeka kwemagetsi nekuda kweakavharika mabatiro. Pamusoro pezvo, ma switch etsanga anogona kushanda neakasiyana ma voltages, mitoro uye ma frequency, sezvo switch inoshanda sewaya yakabatana kana kubviswa. Neimwe nzira, iwe unozoda kutsigira wedunhu kugonesa Hall masensa kuita basa rawo.
Reed switch inoratidzira kuvimbika kwakanyanya kwemuchina switch, uye ivo vanokwanisa kushanda kwemabhiriyoni emadhizaini vasati vatadza. Pamusoro pezvo, nekuda kwekuvaka kwavo kwakavharwa, vanogona kushanda munzvimbo dzinoputika uko spark inogona kuve nemhedzisiro ine njodzi. Reed switching inogona kunge iri tekinoroji yekare, asi iri kure nekusashanda. Iwe unogona kuisa mapakeji ane tsanga switch kune akadhindwa edunhu mabhodhi (PCBs) uchishandisa otomatiki pick-ne-nzvimbo muchina.
Chivakwa chako chinotevera chinogona kudaidza akasiyana maseketi akasanganiswa uye zvikamu, izvo zvese zvakatanga mumakore mashoma apfuura, asi usakanganwa yakazvininipisa rutsanga switch. Inopedzisa basa rayo rekuchinja nenzira yakapusa. Mushure memakore anopfuura makumi masere ekushandiswa uye kusimudzira, unogona kuvimba netsanga switch yakaedzwa uye yechokwadi dhizaini kuti ishande nguva dzose.
Nguva yekutumira: Kubvumbi-22-2024