Mitundu lama fuyusi
Zamkatimu
- Mitundu lama fuyusi
- DC fuse
- AC fuse
- Fuse yamagetsi yamagetsi yotsika
- Fuse yamagetsi yamagetsi yamagetsi
- fuse ya cartridge
- Mtundu wa D Cartridge Fuse
- Mtundu Wolumikizira / HRC Cartridge Fuse
- Fuse yosinthika
- Fuse ya Striker
- Sinthani fusesi
- Fuse yotuluka
- Zimitsani fusesi
- Thermal fuse
- Fuse yokhazikika
- semiconductor fuse
- Fuse yochepetsera mphamvu
- Surface Mount Chipangizo Fuse
- Kanema Wotsogolera
- Momwe Fuse Rating imawerengedwera
- Kumvetsetsa arc yamagetsi
- Mafunso ofunsidwa kawirikawiri
Kawirikawiri, ma fuse ndi zigawo zomwe zimateteza zipangizo zamagetsi kumagetsi othamanga ndi mafupipafupi. Komabe, fusesi yomwe imagwiritsidwa ntchito kuteteza chosinthira mphamvu yayikulu singagwiritsidwe ntchito pazida zotsika kwambiri monga laputopu.
Ma fuse amagetsi amabwera m'mawonekedwe ndi makulidwe osiyanasiyana, amagwiritsa ntchito zinthu zosiyanasiyana, ndipo amakhala ndi machitidwe osiyanasiyana pamabwalo awo.
Mu wotsogolera wathu, timapereka mitundu yonse ya ma fuse omwe amagwiritsidwa ntchito mumagetsi amagetsi, kuwagawa m'magulu akuluakulu m'magulu ang'onoang'ono ndi zina zowonjezera.
Tiyeni tiyambe.
Mitundu lama fuyusi
Pali mitundu yopitilira 15 ya ma fuse amagetsi, yosiyana ndi mfundo zogwirira ntchito, kapangidwe ndi kagwiritsidwe ntchito. Izi zikuphatikizapo:
- DC fuse
- AC fuse
- Fuse yamagetsi yamagetsi yotsika
- Fuse yamagetsi yamagetsi yamagetsi
- fuse ya cartridge
- D-Type Cartridge Fuse
- Fuse yamtundu wa cartridge
- Fuse yosinthika
- Fuse ya Striker
- Sinthani fusesi
- Fuse yotuluka
- Fuse-pansi
- Thermal fuse
- Fuse yokhazikika
- semiconductor fuse
- Fuse yamagetsi yamagetsi
- Surface Mount Chipangizo Fuse
Zonsezi zidzafotokozedwa payekha mwatsatanetsatane kuti mumvetse bwino.
DC fuse
Mwachidule, ma fuse a DC ndi mtundu wa fuse yamagetsi yomwe imagwiritsidwa ntchito mumayendedwe a DC. Ngakhale ichi ndi chinthu chachikulu chomwe chimawasiyanitsa ndi ma fuse apano (AC), pali chinthu china choyenera kutchula.
Ma fuse a DC nthawi zambiri amakhala akulu kuposa ma fusesi a AC kuti apewe kupindika kokhazikika.
Ngati fuyusi ya DC ili yopitilira-pano kapena yofupikitsidwa ndipo chingwe chachitsulo chimasungunuka, dera limatsegulidwa.
Komabe, chifukwa cha magetsi a DC ndi magetsi ozungulira kuchokera ku gwero la DC, kusiyana kwakung'ono pakati pa mbali zonse ziwiri za mzere wosakanikirana kumapangitsa kuti pakhale phokoso lokhazikika.
Izi zimagonjetsa cholinga cha fuseyi pamene mphamvu ikudutsabe kuzungulira dera. Pofuna kupewa kuyaka, fusesi ya DC imakulitsidwa, zomwe zimakulitsa mtunda pakati pa mbali ziwiri zosungunuka za mzerewo.
AC fuse
Kumbali ina, ma fuse a AC ndi ma fuse amagetsi omwe amagwira ntchito ndi mabwalo a AC. Sizikufunikanso kuchitidwanso chifukwa cha ma frequency frequency supply.
Alternating current imagwiritsidwa ntchito pamagetsi omwe amasintha kuchokera pamlingo wocheperako kupita pamlingo wocheperako (0 V), nthawi zambiri 50 mpaka 60 pamphindi. Izi zikutanthauza kuti mzerewo ukasungunuka, arc imazimitsidwa mosavuta pamene voteji imachepetsedwa kukhala ziro.
Fuse yamagetsi siyenera kukhala yokulirapo, chifukwa magetsi osinthira amasiya kudzipatsa okha.
Tsopano, ma fuse a AC ndi ma fuse a DC ndi magulu awiri akulu a ma fuse amagetsi. Kenako timawalekanitsa m’magulu awiri; ma fuse amagetsi otsika kwambiri komanso ma fuse amagetsi okwera kwambiri.
Fuse yamagetsi yamagetsi yotsika
Mtundu uwu wa fuse wamagetsi umagwira ntchito pa dera lokhala ndi voteji yocheperako kapena yofanana ndi 1,500 V. Ma fuse amagetsiwa amagwiritsidwa ntchito kwambiri pamagetsi amagetsi otsika ndipo amabwera m'mawonekedwe, mapangidwe ndi makulidwe osiyanasiyana.
Amakhalanso otsika mtengo kusiyana ndi anzawo okwera kwambiri ndipo ndi osavuta kusintha.
Fuse yamagetsi yamagetsi yamagetsi
Ma fuse apamwamba kwambiri ndi ma fuse amagetsi omwe amagwiritsidwa ntchito ndi ma voliyumu apamwamba kuposa 1,500V mpaka 115,000V.
Amagwiritsidwa ntchito pamakina akuluakulu amagetsi ndi mabwalo, amabwera mosiyanasiyana ndipo amagwiritsa ntchito njira zolimba kuti azimitse arc yamagetsi, makamaka ikafika kudera la DC.
Kenako, ma fuse amagetsi apamwamba ndi otsika amagawidwa m'mitundu yosiyanasiyana, makamaka amatsimikiziridwa ndi kapangidwe kawo.
fuse ya cartridge
Ma fuse a cartridge ndi mtundu wa fuse yamagetsi momwe mizere ndi zinthu zozimitsira arc zimatsekeredwa mu kabati ka ceramic kapena galasi loyera.
Nthawi zambiri amakhala ma cylindrical ma fuse amagetsi okhala ndi zipewa zachitsulo (zotchedwa lugs) kapena masamba achitsulo kumapeto onse awiri omwe amakhala ngati malo olumikizirana kuti agwirizane ndi dera. Fuse kapena mzere mkati umalumikizana ndi malekezero awiri a katiriji kuti amalize kuzungulira.
Mumawona ma fusesi a cartridge okhala ndi ntchito m'mabwalo amagetsi monga mafiriji, mapampu amadzi ndi zowongolera mpweya, pakati pa ena.
Ngakhale alipo kwambiri m'makina otsika amagetsi otsika mpaka 600A ndi 600V, mutha kuwonanso kugwiritsidwa ntchito kwawo m'malo okwera kwambiri. Ngakhale izi ndi kuwonjezeredwa kwa zipangizo zina kuti achepetse kuyaka, mapangidwe awo onse amakhalabe ofanana.
Ma fuse a cartridge amatha kugawidwa m'magulu awiri owonjezera; Ma fuse amtundu wa D ndi ma fuse amtundu wa Link.
Mtundu wa D Cartridge Fuse
Ma fuse amtundu wa D ndi mitundu ikuluikulu ya ma fuse a cartridge omwe ali ndi maziko, mphete ya adaputala, katiriji ndi kapu ya fusesi.
Fuse base imalumikizidwa ndi chivundikiro cha fusesi ndipo chingwe chachitsulo kapena waya wolumphira amalumikizidwa ku maziko awa kuti amalize kuzungulira. Ma fuse amtundu wa D nthawi yomweyo amayimitsa magetsi pomwe mphamvu yamagetsi ipitilira.
Mtundu Wolumikizira / HRC Cartridge Fuse
Ma fuse a Link kapena High breaking capacity (HRC) amagwiritsa ntchito maulalo awiri a fuse kuti achepetse nthawi muchitetezo chodutsa kapena chachifupi. Fusesi yamtunduwu imatchedwanso high breaking capacity (HBC) fuse.
Maulalo awiri a fusible kapena mipiringidzo imayikidwa mofanana wina ndi mzake, imodzi yokhala ndi kukana pang'ono ndi ina yotsutsa kwambiri.
Pamene mphamvu yowonjezera ikugwiritsidwa ntchito pa dera, ulalo wochepa wotsutsa fusible umasungunuka nthawi yomweyo, pamene ulalo wotsutsa kwambiri umakhala ndi mphamvu zowonjezera kwa nthawi yochepa. Idzawotcha ngati mphamvuyo siichepetsedwa kufika pamlingo wovomerezeka mkati mwa nthawi yochepayi.
Ngati, m'malo mwake, kusweka kwamagetsi kumayambika nthawi yomweyo pamene kuwonjezereka kumachitika m'dera, fuse-link yotsutsana kwambiri idzasungunuka nthawi yomweyo.
Mitundu iyi ya ma fusi amagetsi a HRC amagwiritsanso ntchito zinthu monga ufa wa quartz kapena zakumwa zopanda madzi kuti achepetse kapena kuzimitsa arc yamagetsi. Pachifukwa ichi amatchedwa ma fuse amadzimadzi a HRC ndipo amapezeka m'mitundu yayikulu yamagetsi.
Palinso mitundu ina ya ma fuse amagetsi a HRC, monga ma fuse a bawuti, omwe ali ndi malo owonjezera okhala ndi mabowo, ndi ma fuse a blade, omwe amagwiritsidwa ntchito kwambiri m'malo amagalimoto ndipo amakhala ndi ma blade terminals m'malo mwa zipewa.
Ma fuse a blade nthawi zambiri amakhala ndi pulasitiki ndipo amachotsedwa mosavuta kuderali pakagwa vuto.
Fuse yosinthika
Ma fuse osinthika amatchedwanso ma fuse otsekedwa amagetsi. Amakhala ndi magawo awiri opangidwa ndi porcelain; chotengera cha fusesi chokhala ndi chogwirira ndi maziko a fusesi momwe chotengera cha fusechi chimayikidwamo.
Mapangidwe a fuse otayika, omwe amagwiritsidwa ntchito nthawi zambiri m'malo okhala ndi malo ena otsika, amawapangitsa kukhala osavuta kugwira popanda chiopsezo cha kugwedezeka kwa magetsi. Chosungira fuse nthawi zambiri chimakhala ndi ma terminals a blade ndi ulalo wa fusesi.
Ulalo wa fusible ukasungunuka, chosungira fusecho chimatha kutsegulidwa mosavuta kuti chilowe m'malo mwake. Chophimba chonsecho chikhoza kusinthidwanso mosavuta popanda zovuta.
Fuse ya Striker
Fuseyi imagwiritsa ntchito makina kuti ateteze ku mabwalo odutsa kapena afupi, ndikuwonetsa kuti fusesi yamagetsi yawomba.
Fuze iyi imagwira ntchito ndi zida zophulika kapena ndi kasupe wonyezimira ndi ndodo yomwe imatulutsidwa pamene ulalo wasungunuka.
Pini ndi kasupe ndizofanana ndi ulalo wa fusible. Ulalo ukasungunuka, njira yotsitsa imatsegulidwa, zomwe zimapangitsa kuti pini iwuluke.
Sinthani fusesi
Ma fuse osinthira ndi mtundu wa fuse yamagetsi yomwe imatha kuwongoleredwa kunja pogwiritsa ntchito chogwirira.
Pazonse zomwe zimagwiritsidwa ntchito m'malo okwera kwambiri, mumawongolera ngati ma fuse amadutsa mphamvu kapena ayi posintha chosinthira kuti chiyatse kapena kuzimitsa.
Fuse yotuluka
Ma fuse okankhira kunja amagwiritsa ntchito mpweya wa boron kuti achepetse njira yolumikizira. Amagwiritsidwa ntchito m'malo okwera kwambiri, makamaka pamagetsi a 10 kV.
Fuseyo ikasungunuka, mpweya wa boron umazimitsa arc ndipo umatulutsidwa kudzera mu dzenje la chubu.
Zimitsani fusesi
Ma fuse otuluka ndi mtundu wa ma fuse otulutsa pomwe ulalo wa fusewu umalekanitsidwa ndi thupi la fuse. Ma fusewa amakhala ndi zigawo ziwiri zazikulu; chodulira nyumba ndi chosungira fuse.
Chogwirizira fuseyi chimakhala ndi ulalo wosakanikirana, ndipo thupi lodulira ndi chimango chadothi chomwe chimathandizira choyika fusesi kudzera pamwamba ndi pansi.
Chosungira fusesi chimagwiridwanso pamakona ku thupi lodulidwa ndipo izi zimachitika pazifukwa.
Pamene ulalo wa fusewu usungunuka chifukwa cha kuchulukirachulukira kapena kuzungulira kwafupi, chotengera fusesi chimachotsedwa pathupi la chodulidwacho pamwamba. Izi zimapangitsa kuti igwe pansi pa mphamvu yokoka, motero dzina lakuti "drop fuse".
Chogwiritsira ntchito fusesi chomwe chikugwa ndi chizindikiro chosonyeza kuti fusesi yawomba ndipo iyenera kusinthidwa. Mtundu uwu wa fuse nthawi zambiri umagwiritsidwa ntchito kuteteza ma transformer otsika.
Thermal fuse
Fuse yotentha imagwiritsa ntchito zizindikiro za kutentha ndi zinthu kuti ziteteze ku overcurrent kapena short circuit. Fuse yamtunduwu, yomwe imadziwikanso kuti chodulira chotenthetsera ndipo imagwiritsidwa ntchito kwambiri pazida zomwe zimakhudzidwa ndi kutentha, imagwiritsa ntchito aloyi tcheru ngati ulalo wa fusesi.
Kutentha kukafika pamlingo wachilendo, ulalo wa fusible umasungunuka ndikudula mphamvu kumadera ena a chidacho. Izi zimachitidwa makamaka kuteteza moto.
Fuse yokhazikika
Ma fuse obwezeretsedwanso amatchedwanso ma fuse a polima okwana (positive temperature coefficient (PPTC), kapena "polyfuses" mwachidule, ndipo amakhala ndi zinthu zomwe zimawapangitsa kuti azigwiritsidwanso ntchito.
Fusi yamtunduwu imakhala ndi polima yopanda ma crystalline yosakanikirana ndi ma conductive carbon particles. Amagwira ntchito ndi kutentha kwa chitetezo cha overcurrent kapena yochepa.
Kukazizira, fuseyi imakhalabe mumtundu wa crystalline, womwe umapangitsa kuti tinthu ta kaboni tizikhala pamodzi ndipo timalola mphamvu kudutsa.
Pankhani ya kuchuluka kwaposachedwa, fuseyi imatenthetsa, ikusintha kuchokera ku mawonekedwe a crystalline kupita ku gawo lochepa la amorphous.
Ma carbon particles tsopano atalikirana kwambiri, zomwe zimalepheretsa kuyenda kwa magetsi. Mphamvu zimayendabe kudzera mu fuseyi ikayatsidwa, koma nthawi zambiri amayezedwa ndi milliamp.
Dera likazizira, mawonekedwe a kristalo a fuse amabwezeretsedwa ndipo mphamvu ikuyenda mosaletseka.
Kuchokera apa mutha kuwona kuti ma Polyfuses amangokhazikitsidwanso, chifukwa chake amatchedwa "mafusi osinthika".
Zimapezeka kaŵirikaŵiri m’magetsi apakompyuta ndi matelefoni, limodzinso ndi zida za nyukiliya, zoyendera maulendo apandege, ndi machitidwe ena kumene kuloŵetsamo zida kungakhale kovuta kwambiri.
semiconductor fuse
Ma fuse a semiconductor ndi ma fuse othamanga kwambiri. Mumawagwiritsa ntchito kuteteza zida za semiconductor mudera, monga ma diode ndi ma thyristors, chifukwa amakhudzidwa ndi mafunde ang'onoang'ono apano.
Amagwiritsidwa ntchito kwambiri mu ma UPS, ma relay olimba a state state ndi ma drive, komanso zida zina ndi mabwalo okhala ndi zida zodziwika bwino za semiconductor.
Fuse yochepetsera mphamvu
Ma fuse oteteza ma surge amagwiritsa ntchito ma siginecha a kutentha ndi masensa a kutentha kuti ateteze ku mawotchi amphamvu. Chitsanzo chabwino cha izi ndi fusesi ya kutentha kwapakati (NTC).
Ma fuse a NTC amayikidwa motsatizana pozungulira ndikuchepetsa kukana kwawo pakutentha kwambiri.
Izi ndizosiyana ndendende ndi ma fuse a PPTC. Panthawi yamphamvu kwambiri, kukana kocheperako kumapangitsa fuse kuti itenge mphamvu zambiri, zomwe zimachepetsa kapena "kupondereza" mphamvu yoyenda.
Surface Mount Chipangizo Fuse
Ma fuse a Surface Mount (SMD) ndi ma fuse ang'onoang'ono amagetsi omwe amagwiritsidwa ntchito m'malo otsika omwe ali ndi malo ochepa. Mukuwona ntchito zawo pazida za DC monga mafoni am'manja, ma hard drive, ndi makamera, pakati pa ena.
Ma fuse a SMD amatchedwanso ma fuse a chip ndipo mutha kupezanso mitundu yayikulu yaposachedwa.
Tsopano mitundu yonse ya fusesi yomwe tatchula pamwambapa ili ndi zina zowonjezera zomwe zimatsimikizira khalidwe lawo. Izi zikuphatikiza ma voliyumu apano, ma voliyumu ovoteledwa, nthawi yogwiritsira ntchito fuse, mphamvu yakusweka ndi I2Mtengo wa T.
Kanema Wotsogolera
Momwe Fuse Rating imawerengedwera
Mulingo wapano wa ma fuse omwe amagwiritsidwa ntchito pazida zomwe zimagwiritsidwa ntchito nthawi zambiri amakhala pakati pa 110% ndi 200% ya madera awo.
Mwachitsanzo, ma fuse omwe amagwiritsidwa ntchito m'ma motors nthawi zambiri amavotera pa 125%, pomwe ma fuse omwe amagwiritsidwa ntchito mu thiransifoma amavotera 200%, ndipo ma fuse omwe amagwiritsidwa ntchito powunikira amavotera 150%.
Komabe, zimadalira zinthu zina monga malo ozungulira, kutentha, kukhudzidwa kwa zida zotetezedwa mudera, ndi zina zambiri.
Mwachitsanzo, powerengera fuseji ya injini, mumagwiritsa ntchito chilinganizo;
Fuse Rating = {Wattage (W) / Voltage (V)} x 1.5
Ngati mphamvu ndi 200W ndipo voteji ndi 10V, fuse mlingo = (200/10) x 1.5 = 30A.
Kumvetsetsa arc yamagetsi
Mutawerenga mpaka pano, muyenera kuti mwakumana ndi mawu oti "electric arc" kangapo ndikumvetsetsa kuti ndikofunikira kuti mupewe ngati ulalo wa fusible umasungunuka.
Arc imapangidwa pamene magetsi amalumikiza kagawo kakang'ono pakati pa maelekitirodi awiri kudzera mu mpweya wa ionized mumlengalenga. Arc situluka pokhapokha mphamvu itazimitsidwa.
Ngati arc si olamulidwa ndi mtunda, sanali conductive ufa ndi / kapena zipangizo zamadzimadzi, inu chiopsezo mosalekeza overcurrent mu dera kapena moto.
Ngati mukufuna kudziwa zambiri za fuse, chonde pitani patsambali.
Mafunso ofunsidwa kawirikawiri
Kodi pali mitundu ingati yamafusi a AC?
Pali magulu awiri akuluakulu a ma fuse a AC: ma fuse otsika kwambiri ndi ma fuse apamwamba kwambiri.
Zomwe zitha kugawidwa m'mitundu 11 kapena kupitilira apo.
Kodi tili ndi mitundu ingati ya ma fuse mu engineering yamagetsi?
Mitundu yopitilira 11 yama fuse imagwiritsidwa ntchito pamakina amagetsi, omwe amagawidwa m'magulu akuluakulu a ma fuse a AC ndi DC. Ma fuse amagawidwanso m'magulu ang'onoang'ono ndi otsika kwambiri.
