Mipikisano yama terminal amitundu ingapo imatha kufulumizitsa kukhazikitsa ndikusunga malo, kutengera kulumikizidwa kumtunda wapamwamba

Gulu lililonse lamagetsi kapena magetsi lingafunike mawaya.Kaya ntchitoyo ndi ya zida za ogula, zida zamalonda, kapena makina opangira mafakitale, opanga amafunika kusankha zinthu zodalirika zomwe ndi zosavuta kuziyika komanso zogwira ntchito modalirika kwa zaka zambiri.Mipiringidzo yama terminal imakwaniritsa zofunikira izi ndipo ndiyo njira yodziwika bwino yolumikizira mizere yamagetsi yamagetsi yokhala ndi zida zamagetsi zamagetsi ndi mphamvu.
Malo odziwika kwambiri komanso achikhalidwe chamtundu umodzi wosanjikiza ndi njira yosavuta, koma sikuti nthawi zonse amagwiritsa ntchito bwino malo kapena ntchito.Makamaka pamene anthu amaona kuti mawaya ambiri amaikidwa mu mawonekedwe a awiriawiri ogwira ntchito kapena magulu atatu mawaya, ma terminals Mipikisano mlingo mwachionekere ali ndi ubwino kapangidwe.Kuphatikiza apo, makina atsopano amtundu wa masika ndi odalirika komanso osavuta kuyika kuposa zinthu zamtundu wa screw.Posankha ma block blocks a pulogalamu iliyonse, opanga amayenera kuganizira za mawonekedwe ndi mawonekedwe ena azogulitsa kuti agwire bwino ntchito.

Chidziwitso choyambirira cha ma terminal blocks
Chotchinga choyambira chimakhala ndi chipolopolo chotsekereza (nthawi zambiri pulasitiki), chomwe chimatha kuyikidwa panjanji ya DIN yomwe imagwirizana ndi miyezo yamakampani kapena kumangiriridwa mwachindunji ku mbale yakumbuyo mkati mwa chipolopolo.Kwa midadada ya compact DIN terminal, nyumbayo nthawi zambiri imatsegulidwa mbali imodzi.Mipiringidzoyi idapangidwa kuti ikhale yosanjikizidwa kuti ikhale yosungiramo malo, ndipo mbali imodzi yokha ya stack imafuna kapu yomaliza (Chithunzi 1).

1. Chombo chamtundu wa DIN-stackable terminal block ndi njira yophatikizika komanso yodalirika yolumikizira ma wiring a mafakitale.
Malo otchedwa "Feedthrough" nthawi zambiri amakhala ndi malo olumikizira mawaya mbali iliyonse, ndi chingwe chowongolera pakati pazigawo ziwirizi.Zotchingira zachikale zimatha kugwira dera limodzi lililonse, koma mapangidwe atsopano amatha kukhala ndi magawo angapo ndipo zingaphatikizepo zida zotchingira zotchingira zingwe zoyenera.
Malo olumikizira mawaya apamwamba ndi zomangira, ndipo nthawi zina wochapira amagwiritsidwa ntchito.Waya amafunika kupukuta mphete kapena chikwama chooneka ngati U kumapeto, kenako ndikuyiyika ndikuyimanga pansi pa screw.Mapangidwe ena amaphatikiza zolumikizira zomangira zotsekera mu khola, kotero kuti waya wopanda kanthu kapena waya wokhala ndi cylindrical ferrule yosavuta yopindika kumapeto angayike mwachindunji mu khola ndikukhazikika.
Chitukuko chaposachedwa ndi malo olumikizirana masika, omwe amathetsa zomangira.Mapangidwe oyambirira ankafuna kugwiritsa ntchito chida chokankhira kasupe pansi, chomwe chimatsegula malo olumikizira kuti waya alowemo.Mapangidwe a kasupe samangolola mawaya othamanga kuposa zida zamtundu wa screw, koma kupanikizika kosalekeza kwa masika kumakananso kugwedezeka kuposa ma terminals amtundu wa screw.
Kusintha kwa kamangidwe ka khola kakasupe kameneka kumatchedwa push-in design (PID), yomwe imalola mawaya olimba kapena mawaya opindika kuti akankhidwe molunjika mubokosi lolumikizira popanda zida.Pama block terminal a PID, zida zosavuta zitha kugwiritsidwa ntchito kumasula mawaya kapena kukhazikitsa mawaya opanda kanthu.Mapangidwe odzaza masika amatha kuchepetsa ntchito ya waya ndi 50%.
Palinso zina zowonjezera komanso zothandiza ma terminal.Pulagi-mu bridging bar imatha kuyikidwa mwachangu, ndipo ma terminals angapo amatha kulumikizidwa nthawi imodzi, ndikupereka njira yophatikizika yogawa mphamvu.Malamulo olembera ndi ofunikira kwambiri kuti apereke chizindikiritso chomveka kwa woyendetsa block block iliyonse, ndipo ma spacers amalola opanga kuti apereke njira yayikulu yolekanitsira midadada imodzi kapena zingapo kuchokera kwa wina ndi mnzake.Ma block block ena amaphatikizira fuse kapena kulumikiza chipangizo mkati mwa block block, kotero palibe zigawo zina zomwe zimafunikira kuti zigwire ntchitoyi.
Pitirizani kupanga magulu ozungulira
Kwa mapanelo owongolera ndi odzichitira okha, mabwalo ogawa magetsi (kaya 24 V DC kapena mpaka 240 V AC) nthawi zambiri amafuna mawaya awiri.Mapulogalamu a siginecha, monga kulumikizana ndi masensa, nthawi zambiri amakhala mawaya awiri kapena atatu, ndipo angafunike kulumikizana ndi chishango chowonjezera cha analogi.
Zachidziwikire, mawaya onsewa amatha kukhazikitsidwa pama terminals ambiri osanjikiza.Komabe, kuyika maulumikizidwe onse a dera lomwe laperekedwa mubokosi lophatikizika lamitundu ingapo kuli ndi zopindulitsa zambiri zoyambira komanso zopitilira (Chithunzi 2).

2. Dinkle DP midadada yotsatsira mndandanda imapereka makulidwe osiyanasiyana osanjikiza amodzi, osanjikiza awiri ndi mawonekedwe osanjikiza atatu.
Ma kondakitala angapo omwe amapanga chigawo, makamaka ma siginecha a analogi, nthawi zambiri amayendetsa chingwe cha ma conductor ambiri, m'malo ngati ma conductor osiyana.Chifukwa aphatikizidwa kale mu chingwe chimodzi, ndizomveka kuthetseratu ma conductor onse ogwirizanawa ku terminal imodzi yamagawo angapo m'malo mwa ma terminals angapo amlingo umodzi.Malo opangira ma multilevel amatha kufulumizitsa kukhazikitsa, ndipo chifukwa makondakitala onse ali pafupi, ogwira ntchito amatha kuthana ndi zovuta zilizonse (Chithunzi 3)

3. Okonza amatha kusankha midadada yabwino kwambiri pazinthu zonse za ntchito zawo.Ma block terminal amitundu ingapo amatha kupulumutsa malo ambiri owongolera ndikupanga kukhazikitsa ndi kuthetsa mavuto kukhala kosavuta.
Choyipa chimodzi chotheka cha ma terminals am'magulu angapo ndikuti ndi ang'ono kwambiri kuti asagwire ntchito ndi ma conductor angapo omwe akukhudzidwa.Malingana ngati kukula kwa thupi kuli koyenera komanso malamulo olembera zizindikiro ali omveka bwino, ubwino wa kachulukidwe kakang'ono ka mawaya udzayikidwa patsogolo.Pamalo okwana 2.5mm 2 kukula, makulidwe a terminal yonse ya magawo atatu amatha kukhala 5.1mm, koma ma conductor 6 amatha kuthetsedwa, zomwe zimapulumutsa 66% yamalo owongolera amtengo wapatali poyerekeza ndi kugwiritsa ntchito cholumikizira chimodzi.
Kulumikizana kwapansi kapena komwe kungatheke (PE) ndichinthu chinanso.Mukagwiritsidwa ntchito ndi chingwe chotchinga chapakati-pawiri, chotchinga chamagulu atatu chimakhala ndi chowongolera pamwamba pazigawo ziwiri zapamwamba ndi cholumikizira cha PE pansi, chomwe chimakhala chosavuta kutsetsereka kwa chingwe, ndikuwonetsetsa kuti chotchinga chikugwirizana ndi DIN pansi njanji ndi kabati.Pankhani ya kugwirizana kwapansi kwapamwamba kwambiri, bokosi la magawo awiri lolumikizana ndi PE pazigawo zonse lingapereke maulumikizidwe ambiri pansi pa malo ang'onoang'ono.
Anapambana mayeso
Okonza omwe akugwira ntchito yowonetsera midadada yotsiriza adzapeza kuti ndi bwino kusankha kuchokera kuzinthu zosiyanasiyana zomwe zimapereka kukula kwakukulu ndi masinthidwe omwe amakwaniritsa zosowa zawo.Ma block terminal a mafakitale amayenera kuvoteredwa mpaka 600 V ndi 82 A, ndikuvomereza makulidwe a waya kuchokera pa 20 AWG mpaka 4 AWG.Pamene chipikacho chikugwiritsidwa ntchito mu gulu lolamulira lomwe lalembedwa ndi UL, lidzavomerezedwa ndi UL.
Malo otetezerako ayenera kukhala osagwira moto kuti agwirizane ndi UL 94 V0 muyezo ndipo apereke kukana kutentha kwapakati pa -40 ° C mpaka 120 ° C (Chithunzi 4).Chinthu chochititsa chidwi chiyenera kupangidwa ndi mkuwa wofiira (mkuwa wa 99.99%) kuti ukhale wabwino kwambiri komanso kutentha kochepa.

4. Malo oyesera ndi apamwamba kuposa momwe amachitira makampani kuti atsimikizire kuti ntchito yabwino ndi yapamwamba kwambiri.
Ubwino wazinthu zopangira ma terminal umatsimikiziridwa ndi wogulitsa pogwiritsa ntchito malo a labotale omwe adutsa kuyesa ndi kutsimikizira kwa UL ndi VDE.Ukadaulo wama waya ndi zinthu zoyimitsa ziyenera kuyesedwa mosamalitsa malinga ndi UL 1059 ndi IEC 60947-7 miyezo.Mayeserowa angaphatikizepo kuyika mankhwala mu uvuni pa 70 ° C mpaka 105 ° C kwa maola 7 mpaka 7 kutengera kuyesa, ndikutsimikizira kuti kutentha sikungayambitse kusweka, kufewetsa, kusinthika kapena kusungunuka.Sikuti maonekedwe a thupi ayenera kusungidwa, komanso maonekedwe a magetsi ayenera kusungidwa.Mndandanda wina wofunikira woyeserera umagwiritsa ntchito mitundu yosiyanasiyana ndi kutalika kwa utsi wa mchere kuti udziwe kukana kwa dzimbiri kwa nthawi yayitali.
Opanga ena adadutsanso miyezo yamakampani ndikupanga kuyesa kofulumira kwa nyengo kuti ayesere zovuta ndikutsimikizira moyo wautali wazinthu.Amasankha zida zogwira ntchito kwambiri monga pulasitiki ya PA66, ndipo apeza chidziwitso chakuya munjira zomangira jekeseni wolondola kwambiri kuti athe kuwongolera zosintha zonse ndikukwaniritsa zosowa za ogwiritsa ntchito pazinthu zazing'ono zomwe zimasunga mavoti onse.
Mipiringidzo yamagetsi ndi gawo lofunikira, koma ndiyenera kusamala chifukwa ndi gawo lalikulu loyika zida zamagetsi ndi mawaya.Ma terminals amtundu wa screw nthawi zambiri amadziwikanso bwino.Ukadaulo wapamwamba kwambiri monga PID ndi midadada yamitundu yambiri imapangitsa kupanga, kupanga, ndi zida zogwirira ntchito mwachangu komanso kosavuta, ndikusunga malo ambiri owongolera.