Fuse marudzi

Kazhinji, fuse zvikamu zvinodzivirira zvigadzirwa zvemagetsi kubva pamagetsi emagetsi uye mapfupi. Nekudaro, iyo fuse inoshandiswa kuchengetedza yakakwira simba transformer haigone kushandiswa kune yakaderera magetsi mudziyo senge laptop.

Mafiyuzi emagetsi anouya mumhando nehukuru hwakawanda, anoshanda achishandisa zvinhu zvakasiyana, uye ane maapplication akasiyana mumaseketi awo.

Mugwaro redu, tinopa marudzi ese emafuse anoshandiswa mumasisitimu emagetsi, tichiapatsanura nemapoka makuru muzvikamu zvidiki uye zvimwe zvakasarudzika.

Ngatitangei.

Fuse marudzi

Kune marudzi anopfuura gumi nemashanu emagetsi emagetsi, akasiyana mumitemo yekushanda, kugadzira uye kushandiswa. Izvi zvinosanganisira:

1. DC fuse
2. AC fuse
3. Low voltage yemagetsi fuse
4. Fuse yemagetsi yakakwira voltage
5. cartridge fuse
6. D-Type Cartridge Fuse
7. Cartridge mhando fuse
8. Replaceable fuse
9. Striker fuse
10. Chinja fuse
11. Push-out fuse
12. Kudonha-pasi fuse
13. Thermal fuse
14. Resettable fuse
15. semiconductor fuse
16. Voltage kudzvinyirira fuse
17. Surface Mount Device Fuse

Zvese izvi zvichatsanangurwa mumwe nemumwe zvakadzama kuti unzwisise zvizere.

DC fuse

Zvichitaurwa zviri nyore, mafizi eDC imhando yefiyuzi yemagetsi inoshandiswa mumaseketi eDC. Kunyange ichi chiri icho chinhu chikuru chinovasiyanisa kubva kune alternating current (AC) fuse, pane chimwe chinhu chakakodzera kutaurwa.

Mafusi eDC anowanzo hombe kupfuura mafiyuzi eAC kudzivirira kusungirira.

Kana iyo fuse yeDC yadarika-ikozvino kana kuti pfupi-yakatenderedzwa uye simbi tambo inonyunguduka, dunhu rinovhurika.

Nekudaro, nekuda kweiyo DC yazvino uye voltage mudunhu kubva kuDC sosi, kamukana kadiki pakati pemigumo ese eiyo fused strip inoita mukana weiyo spark isingaperi.

Izvi zvinokunda chinangwa chefuse sezvo simba richiri kuyerera nemudunhu. Kudzivirira kupenya, iyo fuse yeDC inokwidziridzwa, iyo inowedzera chinhambwe pakati pemigumo miviri yakanyunguduka yemutsetse.

AC fuse

Kune rimwe divi, AC fuse mafiyuzi emagetsi anoshanda nemaseketi eAC. Ivo havachada kuitwa zvakare nekuda kweiyo inosiyana frequency magetsi magetsi.

Alternating current inoshandiswa pamhepo inoshanduka kubva pahupamhi kusvika pairi shoma (0 V), kazhinji ka50 kusvika ku60 paminiti. Izvi zvinoreva kuti kana tambo yanyunguduka, iyo arc inodzima nyore kana iyi voltage yaderedzwa kusvika zero.

Iyo fiyuzi yemagetsi haifanirwe kuve yakakura, sezvo ikozvino inotsinhanisa inomira kuzvipa pachayo.

Ikozvino, mafizi eAC uye mafizi eDC ndiwo mapoka maviri makuru emafiyuzi emagetsi. Tinobva tazvipatsanura muzvikamu zviviri; mafizi emagetsi emagetsi akaderera uye mafizi emagetsi emagetsi.

Low voltage yemagetsi fuse

Rudzi urwu rwefiyuzi yemagetsi rinoshanda padunhu rine vhezheni yakayerwa isingasviki kana yakaenzana ne1,500 V. Aya mafiyuzi emagetsi anowanzoshandiswa mumaseketi emagetsi emagetsi uye anouya mumhando dzakasiyana-siyana, magadzirirwo uye hukuru.

Iwo zvakare ari pasi pemutengo wakaderera pane iwo akakwira voltage mamwe uye ari nyore kutsiva.

Fuse yemagetsi yakakwira voltage

Mafusi emagetsi emagetsi anoshandiswa nevolti ratings pamusoro pe1,500V uye anosvika 115,000V.

Iwo anoshandiswa mumagetsi makuru masisitimu uye maseketi, anouya muhukuru hwakasiyana uye anoshandisa matanho akasimba ekudzima arc yemagetsi, kunyanya kana zvasvika kudunhu reDC.

Zvadaro, mafizi emagetsi akakwirira uye akaderera akakamurwa kuva marudzi akasiyana, kunyanya akatemerwa nekugadzirwa kwawo.

cartridge fuse

Cartridge fuse imhando yefiyuzi yemagetsi umo iyo strip uye arc quenching zvinhu zvakavharirwa zvachose muceramic kana yakajeka girazi kesi.

Anowanzo cylindrical magetsi mafiyuzi ane simbi zvivharo (zvinonzi lugs) kana simbi mashizha kumativi ose maviri anoshanda senzvimbo dzekusangana dzekubatanidza kudunhu. Fuse kana tambo iri mukati inobatanidza kune maviri magumo e cartridge fuse kupedzisa dunhu.

Iwe unoona cartridge fuse nemaapplication mumaseketi emidziyo senge mafiriji, pombi dzemvura uye maair conditioner, pakati pevamwe.

Nepo ivo varipo zvakanyanya mune yakaderera voltage magetsi masisitimu akaiswa kusvika ku600A uye 600V, unogona zvakare kuona kushandiswa kwavo munzvimbo dzakakwirira dzemagetsi. Pasinei neizvi uye nekuwedzera kwezvimwe zvinhu kudzikamisa kupenya, dhizaini yavo yese inoramba yakafanana.

Cartridge fuse inogona kukamurwa kuita mamwe mapoka maviri; Type D magetsi mafizi uye Link mhando fuse.

Type D Cartridge Fuse

D-type fuse ndiyo mhando huru dzekaturiji fuse dzine hwaro, adapta ring, cartridge uye fuse cap.

Iyo fuse base yakabatana nevhavha yefuse uye simbi tambo kana jumper waya inobatanidzwa kune iyi fuse base kuti ipedze dunhu. Type D fuse pakarepo inomisa magetsi emagetsi kana ikozvino mudunhu yadarika.

Link Type/HRC Cartridge Fuse

Link or high breaking capacity (HRC) fuse dzinoshandisa twumafuse links for a time delay mechanism in overcurrent or short circuit protection. Mhando yefuse iyi inonziwo high breaking capacity (HBC) fuse.

Zvisungo zviviri zvefusible kana mbariro zvinoiswa zvakafanana kune imwe neimwe, imwe ine kushomeka kwekushomeka uye imwe ine yakanyanya kupikisa.

Kana yakawandisa ikozvino inoshandiswa kudunhu, iyo yakaderera yekupikisa fusible link inonyungudika pakarepo, nepo iyo yakakwirira yekupikisa fuse inobata simba rakawandisa kwenguva pfupi. Inobva yapisa kana simba rikasaderedzwa kusvika padanho rinogamuchirwa mukati menguva pfupi iyi.

Kana, pachinzvimbo, iyo yakatemerwa yekutyora ikozvino inokonzerwa nekukasira kana yakawandisa ikaitika mudunhu, iyo yakakwira-resistance fuse-link inonyungudika pakarepo.

Aya marudzi eHRC emagetsi mafizi anoshandisawo zvinhu zvakaita sequartz poda kana zvinwiwa zvisina-conductive kudzikamisa kana kudzima arc yemagetsi. Muchiitiko ichi vanodaidzwa kuti HRC liquid fuse uye vakajairika mumhando dzemagetsi.

Kune mamwe marudzi emafiyuzi emagetsi eHRC, akadai semabhaudhi-pamafuse, ane materminal ekuwedzera ane maburi, uye blade fuse, ayo anoshandiswa zvakanyanya munharaunda yemotokari uye ane blade terminals pane macaps.

Mafusi eblade anowanzo ane bhokisi repurasitiki uye anobviswa nyore nyore kubva kudunhu kana pakaitika kusashanda zvakanaka.

Replaceable fuse

Mafizi anotsiviwa anonziwo semi-akavharwa mafiyuzi emagetsi. Izvo zvinosanganisira zvikamu zviviri zvakagadzirwa ne porcelain; chibatiso chine mubato uye chigadziko chefuse chinopinzwa chibatiso ichi.

Dhizaini yemafusi anobviswa, anowanzo shandiswa munzvimbo dzekugara uye dzimwe nzvimbo dzakaderera, zvinoita kuti zvive nyore kubata pasina njodzi yekuvhunduka kwemagetsi. Iyo fuse inobata kazhinji ine blade terminals uye fuse link.

Kana fusible link yanyungudika, fuse holder inogona kuvhurwa zviri nyore kuitsiva. Iyo yese inobata inogona zvakare kutsiviwa nyore pasina chero kuoma.

Striker fuse

Iyo fuse inoshandisa mechanical system kudzivirira kubva kune overcurrent kana short circuits, uye kuratidza kuti fiyuzi yemagetsi yaputika.

Iyi fuze inoshanda pamwe nemachaji anoputika kana nechitubu chakakoshwa uye tsvimbo inoburitswa kana chinongedzo chanyungudutswa.

Pini uye chitubu chakafanana kune fusible link. Kana chinongedzo ichinyunguduka, iyo yekuburitsa michina inobatiswa, zvichiita kuti pini ibhururuke kunze.

Chinja fuse

Switch fuse imhando yemafiyuzi emagetsi anogona kudzorwa kunze uchishandisa mubato wekuchinja.

Mumashandisirwo akajairwa munzvimbo dzakakwirira dzemagetsi, iwe unodzora kuti fuse inopfuura simba here kana kuti kwete nekuchinja switch kune yekubatidza kana kudzima chinzvimbo.

Push-out fuse

Push-out fuse anoshandisa boron gasi kudzikamisa maitiro ekurovera. Izvo zvinoshandiswa munzvimbo dzakakwirira dzemagetsi, kunyanya mu 10 kV transformers.

Kana iyo fuse inonyunguduka, boron gasi inodzima arc uye inodzingwa kuburikidza negomba muchubhu.

Dzima fuse

Drop-out fuse imhando yemafiyuzi ekudhonzera kunze uko chinongedzo chefuse chinoparadzaniswa nemuviri wefuse. Mafuse aya ane zvikamu zvikuru zviviri; imba cutout uye fuse inobata.

Chibatiso chine fusible chinongedzo, uye mutumbi wekucheka ifuremu yeporcelain inotsigira chinobatisa fuse kuburikidza nepamusoro nepasi.

Iyo fuse inobata inobatwawo pakona kumutumbi wekucheka uye izvi zvinoitwa nechikonzero.

Kana chinongedzo chefuse chanyunguduka nekuda kwekupfuura kana kupfupika kwedunhu, mubati wefuse unodimburwa kubva pamutumbi wechekuchekwa pakubata kwepamusoro. Izvi zvinoita kuti iwire pasi pesimba rinokwevera zvinhu pasi, nokudaro zita rekuti "drop fuse".

Fuse inobata inodonha chiratidzo chinoonekwa chekuti fuse yaputika uye inoda kutsiviwa. Rudzi urwu rwefiyuzi runowanzoshandiswa kuchengetedza low voltage transformers.

Thermal fuse

Iyo thermal fuse inoshandisa masaini ekushisa uye zvinhu kudzivirira kubva kune overcurrent kana pfupi dunhu. Rudzi urwu rwefiyuzi, inozivikanwawo seyekuchekwa kwemafuta uye inoshandiswa zvakanyanya mumidziyo inotapurika tembiricha, inoshandisa alloy inonzwika senge fuse link.

Kana tembiricha yasvika pachiyero chisina kujairika, iyo fusible link inonyungudika uye inobvisa simba kune zvimwe zvikamu zvechiridzwa. Izvi zvinonyanya kuitwa kudzivirira moto.

Resettable fuse

Mafizi anogadzikiswa patsva anonziwo positive tembiricha coefficient (PPTC) polymer fuse, kana "polyfuses" kwenguva pfupi, uye ane maficha anoita kuti ashandiswe zvakare. 

Rudzi urwu rwefiyuzi ine isiri-conductive crystalline polymer yakasanganiswa ne conductive carbon particles. Vanoshanda nekupisa kwekudzivirira kwepamusoro kana kupfupika kwedunhu. 

Kana kutonhora, fuse inoramba iri mukristaro mamiriro, iyo inochengeta kabhoni particles pedyo pamwe chete uye inobvumira simba kupfuura.

Panyaya yekuwedzerwa kwemazuva ano, iyo fuse inopisa, ichishanduka kubva kune fomu yekristalline kusvika kune shoma compact amorphous state.

Kabhoni zvidimbu zvino zvave kure kure, izvo zvinoganhurira kufamba kwemagetsi. Simba richiri kuyerera nemuiyi fuse kana rakaitwa, asi rinowanzoyerwa muchikamu chemilliamp. 

Kana dunhu ratonhora pasi, iyo compact crystal mamiriro eiyo fuse inodzoreredzwa uye simba rinoyerera risingadzivirirwe.

Kubva pane izvi iwe unogona kuona kuti iyo Polyfuses inogadzikiswa otomatiki, saka zita rekuti "resettable fuse".

Anowanzowanwa mumigove yemagetsi yekombiyuta nenhare, pamwe chete nomugadziriro dzenyukireya, gadziriro dzokufamba nendege, uye dzimwe gadziriro uko kutsiva mativi kungabvumikisa kuva kwakaoma zvikuru.

semiconductor fuse

Semiconductor fuse ndeye ultra fast fuse. Iwe unozvishandisa kuchengetedza semiconductor zvikamu mudunhu, senge diode uye thyristors, nekuti ivo vanonzwa kune madiki masurges. 

Iwo anowanzo shandiswa muUPSs, solid state relays uye mota madhiraivha, pamwe nemimwe midziyo uye maseketi ane anonzwisa semiconductor zvikamu.

Surge kudzvinyirira fuse

Surge dziviriro fuse dzinoshandisa tembiricha masiginecha uye tembiricha sensors kudzivirira kubva pakukwira kwemagetsi. Muenzaniso wakanaka weizvi ndeye negative tembiricha coefficient (NTC) fuse.

Mafusi eNTC akaiswa munhevedzano mudunhu uye anoderedza kuramba kwawo patembiricha yepamusoro.

Izvi ndizvo chaizvo zvakapesana nemafusi ePPTC. Munguva yepamusoro pesimba, iyo yakaderedzwa kuramba inokonzera kuti fuse itore simba rakawanda, iro rinoderedza kana "kudzvanya" simba rinoyerera.

Surface Mount Device Fuse

Surface mount (SMD) fuse mafiyuzi madiki emagetsi anowanzo shandiswa munzvimbo dzakaderera dzine nzvimbo shoma. Iwe unoona mashandisirwo avo mumidziyo yeDC senge nharembozha, hard drive, uye makamera, pakati pevamwe.

SMD fuse inonziwo chip fuse uye iwe unogona zvakare kuwana yakakwirira yazvino misiyano yavo.

Ikozvino marudzi ese emafuse ataurwa pamusoro ane mashoma ekuwedzera maitiro anosarudza maitiro avo. Izvi zvinosanganisira rated current, rated voltage, fuse operating time, breaking capacity uye I²T value.

Mutungamiri Vhidhiyo

Mhando dzeFuse - Ultimate Guide Kune Vanotanga

Iyo Fuse Rating inoverengerwa sei

Chiyero chazvino chemafuse anoshandiswa mumidziyo yakajairwa yekushandisa inowanzoiswa pakati pe110% ne200% yedunhu redunhu.

Semuenzaniso, mafuse anoshandiswa mumamotor anowanzo kurongerwa pa125%, nepo fuse anoshandiswa mumatransformer akaiswa pa200%, uye mafizi anoshandiswa mumagetsi masisitimu akaiswa pa150%. 

Nekudaro, zvinoenderana nezvimwe zvinhu zvakaita sedunhu redunhu, tembiricha, kunzwa kwemidziyo yakadzivirirwa mudunhu, uye zvimwe zvakawanda. 

Semuenzaniso, paunenge uchiverenga chiyero chefuse chemota, unoshandisa fomula;

Fuse Rating = {Wattage (W) / Voltage (V)} x 1.5

Kana simba riri 200W uye magetsi ari 10V, fuse rating = (200/10) x 1.5 = 30A. 

Kunzwisisa arc yemagetsi

Waverenga kusvika panguva ino, unofanira kunge wakasangana nezwi rekuti "electric arc" kakawanda uye wakanzwisisa kuti zvinofanirwa kudzivirira kana fusible link yanyungudika. 

Arc inoumbwa kana magetsi avhara mukaha mudiki pakati pemaelectrode maviri kuburikidza nemagasi ane ionized mumhepo. Iyo arc haibudi kunze kwekunge simba radzimwa. 

Kana iyo arc isingadzoreki nedaro, isiri-conductive poda uye / kana mvura zvinhu, iwe unoisa njodzi inoenderera ichipfuura mudunhu kana moto.

Kana iwe uchida kuziva zvakawanda nezve fuse, ndapota shanyira peji ino.

Inowanzobvunzwa Mibvunzo

Marudzi mangani emafiyuzi eAC aripo?

Pane zvikamu zviviri zvikuru zve AC fuse: low voltage fuse uye high voltage fuse.

Iyo inogona kubva yakamurwa kuita gumi nerimwe kana kupfuura marudzi akasiyana.

Mangani marudzi emafuse atinawo muinjiniya yemagetsi?

Anopfuura gumi nerimwe marudzi emafuse anoshandiswa mumagetsi masisitimu, ayo akakamurwa muzvikamu zvikuru zve AC neDC fuse. Mafusi akaiswawo muzvikamu zvepamusoro uye zvakaderera voltage.