📋 Izinto ezibalulekileyo ekufuneka uzithathe
- Umenzi weebhloko zesiphelo sendlela yokuthintela umbane ubonelela ngezihlanganisi zombane ezinodonga lokukhusela olubonakalayo phakathi kweeterminals, ukuthintela ukungqubana kwe-arcing kunye neesekethe ezimfutshane kwiinkqubo zokusasazwa kwamandla aphezulu afikelela kwi-600 V (UL) okanye i-1000 V (IEC).
- Ukufakelwa kwesitishi se-DIN kunciphisa ixesha lokuhlanganisa iikhabhinethi malunga ne-30% kuba ivumela ukufakwa okungenazixhobo ngaphandle kokubhoboza okanye izibophelelo ezinemisonto, nto leyo eyenza kube lula ukwakhiwa kokuqala kunye nokugcinwa kwentsimi.
- Ukukhetha umenzi ofanelekileyo kuchaphazela ngokuthe ngqo ukuthembeka kwenkqubo: Iibhloko zokuthintela eziqinisekisiweyo ze-UL 1059 kunye ne-IEC 60947-7-1 ezivela kumthengisi onamava ziqinisekisa amandla e-dielectric ahambelanayo, izixhobo ezithintela ilangabi, kunye nokuzinza kobushushu bexesha elide phantsi komthwalo oqhubekayo.
- I-J-GUANG inikezela ngeebhloko zesiphelo sendlela yokuthintela izikrufu kunye neyokutyhala enezindlu ze-PA66 ezihambelana ne-UL, ezilinganiswe ukusuka kwi-10 A ukuya kwi-400 A, ezifakwe kwiireyili ze-TS 35 DIN eziqhelekileyo zokusetyenziswa kokusasazwa kwamandla ombane ngokwemodyuli.
Ukuba ufuna umenzi weebhloko zesiphelo sendlela yokuthintela ukusasazwa kwamandla aphezulu nge-DIN rail mounting, nantsi impendulo ethe ngqo: Umenzi ofanelekileyo kufuneka anike iibhloko zesiphelo ezine-UL 1059 okanye i-IEC 60947-7-1 eqinisekisiweyo yamandla e-dielectric, izithintelo zokwahlulwa komzimba phakathi kwepali nganye, kunye nokufakelwa kwe-DIN rail engenazixhobo kwiireyile ze-TS 35 eziqhelekileyo. Ngenxa yokuba umsebenzi oyintloko webhloko yesithintelo sesiphelo kukuthintela ukungqubana phakathi kweesekethe eziphezulu zevolthi ezikufutshane, umgangatho wezinto zokukhusela ubushushu — ngesiqhelo i-UL 94 V-0 elinganiswe yi-PA66 okanye i-PBT — kunye nokuchaneka kokubumba udonga oluthintelweyo kumisela ngokuthe ngqo ukuthembeka kwexesha elide kwiiphaneli zokusasaza umbane. Kwi-J-GUANG, yonke ibhloko yesiphelo somqobo esiyenzayo ivavanywa kwi-dielectric ukumelana ne-2500 V AC imizuzwana engama-60 ngokweemfuno ze-UL 1059 nganye ngaphambi kokuba ithunyelwe.
Esi sikhokelo sihambisa iinjineli zokuthenga, abakhi beepaneli, kunye nabasasazi bombane kwiikhrayitheriya ezibalulekileyo zokukhetha xa bevavanya umenzi weebhloko zesiphelo sendlela yokuthintela: imigaqo yokwahlulwa kwe-voltage, imigangatho yokufakwa kwe-DIN rail, iinkcukacha zezinto ezisetyenzisiweyo, iimfuno zesatifikethi, kunye nokuqwalaselwa kwesicelo sokwenyani. Ndiza kwabelana ngezinto endizifundileyo ngokubonelela ngeebhloko zesiphelo kubathengi bemizi-mveliso abangaphezu kwama-200 kumazwe angama-30.
Yintoni iBarrier Terminal Block kwaye Kutheni Ukuzahlula Kubalulekile?
Ibhloko yesiphelo sesithintelo sisixhumi sombane esigqunyiweyo esisebenzisa iindonga ezibonakalayo eziphakanyisiweyo — izithintelo — phakathi kwendawo nganye yesiphelo ukwenza imigama efunekayo yokuqhekeka kunye nokususwa kweendawo ezithintela ukuxinana kombane kunye neesekethe ezimfutshane ngengozi. Ngokungafaniyo neebhloko zesiphelo ezisemgangathweni apho ii-conductors ezikufutshane zihlala kwimingxuma evulekileyo, iibhloko zokuthintela zahlula indawo nganye yoqhagamshelwano ngodonga oluqinileyo lweplastiki yobunjineli ethintela umlilo.
Oku kwahlulwa kubalulekile kuba iisekethe zokusasazwa kwamandla aphezulu — ngesiqhelo ukusuka kwi-380 V ukuya kwi-690 V AC kwiindawo zoshishino — kudala iimeko apho ungcoliseko lomphezulu, ukufuma, okanye ukungcangcazela kunokubangela ukuqhambuka phakathi kwee-terminals ezingagqunywanga. Ndiphande ngokwam ngokusilela kwentsimi kwisikhululo sepompo eTexas apho ibhloko yesiphelo esingengomqobo ivumele ukulandelwa kwekhabhoni phakathi kwezigaba ezikufutshane kwi-480 V AC, nto leyo ebangele ukufinyela kwesigaba ukuya kwisigaba okwatshabalalisa lonke iziko lolawulo lwemoto. Eso siganeko sodwa sibize isikhungo malunga ne-USD 47,000 ngexesha lokungasebenzi elingacwangciswanga. Ibhloko yesiphelo sesiphelo esicwangcisiweyo ngokufanelekileyo ibingayithintela loo ndlela yokulandelela.
Ngokwe UL 1059 iibhloko zesiphelo ezisemgangathweni zihlulwe ngokwe-voltage rating ngokusekelwe kumgama we-creepage kunye nomgama wokuphuma. Kwibhloko ye-barrier elinganiswe yi-600 V, umgama omncinci we-creepage phakathi kweendawo eziphilayo ezingagqunywanga kufuneka ubuncinci ube yi-6.4 mm (0.252 in). I-IEC 60947-7-1 umgangatho uchaza isakhelo esilinganayo seebhloko ezilinganiswe yi-1000 V AC / 1500 V DC ezineengqalelo zongcoliseko lwe-3.
⚡ Impembelelo Yehlabathi Lokwenyani
Ngenxa yokuba iindonga zomqobo zithintela ngokwasemzimbeni ukulandelela i-arc phakathi kwee-terminals ezikufutshane, ukutshintsha ukusuka kwibhloko yokuphakelwa ukuya kwibhloko yesithintelo esilinganiswe ngokufanelekileyo kunciphisa izinga lesiganeko se-short-circuit ngaphezulu kwe-90% kwisityalo sokulungisa ukutya esasisebenza naso ngo-2024. Izithintelo zasusa imo yokusilela okuphambili - uthuli olufakwe i-carbonized phakathi kwee-conductors kwindawo yokuhlamba.
Iinkcukacha ezibalulekileyo xa ukhetha umenzi weBarrier Terminal Block
1. Uvavanyo lweVoltage kunye namandla eDielectric
Ibhloko nganye yesiphelo sendlela yokuthintela ine-voltage yokusebenza elinganisiweyo echaza i-voltage yayo yokusebenza ekhuselekileyo ephezulu. Olu vavanyo luxhomekeke kumgama ophakathi kwezithintelo, isalathisi sokulandelela esithelekisayo sezinto zokwambathisa (i-CTI), kunye nomgangatho wongcoliseko lwendalo esingqongileyo ekujoliswe kuyo. I-UL 1059 ichaza iindidi ezintathu ze-voltage: i-300 V, i-600 V, kunye ne-1000 V. I-IEC 60947-7-1 iyandisa oku ukuya kwi-1000 V AC kunye ne-1500 V DC.
Uvavanyo lokumelana ne-dielectric lubungqina bomenzi bokwazi ukwahlulahlula. Ngokwe-UL 1059, ibhloko yesithintelo esilinganiswe nge-600 V kufuneka imelane ne-2500 V AC esetyenziswa imizuzwana engama-60 ngaphandle kokuphazamiseka okanye ukuvuza okugqithisileyo. Ndihlala ndicebisa ukuba ubuze umenzi weebhloko zesiphelo sendlela yokuthintela kwingxelo yovavanyo yokwenyani — kungekuphela nje kwesatifikethi — kuba ingxelo ibonisa amaxabiso angoku okuvuza alinganisiweyo. Ibhloko eyenziwe kakuhle kufuneka ibonise ukuvuza okungaphantsi kwe-1 mA kwi-2500 V.
2. Ubungakanani boMbane kunye noLuhlu loMqhubi
Uvavanyo lwangoku lweebhloko zesiphelo semiqobo ludla ngokuqala kwi-10 A kwiisekethe zolawulo ukuya kuthi ga kwi-400 A kwii-power feeds eziphambili. Icandelo elinqumlayo le-conductor limisela umthamo wangoku: isiphelo se-2.5 mm² (AWG 14) sinokulinganiswa nge-24 A, ngelixa isiphelo se-35 mm² (AWG 2) sinokuphatha ukuya kuthi ga kwi-150 A. Ipharamitha ebalulekileyo apha kukunyuka kwamaqondo obushushu — i-UL 1059 ithintela ukunyuka kwamaqondo obushushu kwisiphelo se-terminal ukuya kwi-30 °C ngaphezulu kwe-ambient phantsi komsinga olinganisiweyo.
Ndicebisa ukuba rhoqo ndinciphise umlinganiselo wangoku oshicilelweyo ngumvelisi ubuncinane nge-20% usetyenziso oluqhubekayo kwiikhabhathi ezivalekileyo apho ubushushu obuphakathi budlula i-40 °C. Lo ngumgaqo endiwuphuhlisileyo emva kokubona ubushushu bangaphakathi kwikhabhathi bufikelela kwi-55 °C kwisityalo se-solar inverter saseMalaysia — iibhloko zethu zesiphelo zisasebenza ngaphakathi kwe-spec kwiminyaka emithathu kamva kuba sasichaze ubungakanani obulandelayo ukusuka kumlinganiselo oqhelekileyo.
3. Izinto ezithintelayo kunye neZindlu
Izinto zokwakha zebhloko yesiphelo sendlela yokuthintela mhlawumbi yeyona nto ibalulekileyo yokwahlula umgangatho phakathi kwabavelisi. Umgangatho weshishini yi-glass-fiber reinforced PA66 (nylon 66) okanye i-PBT (polybutylene terephthalate), zombini zilinganiswe nge-UL 94 V-0 yokurhoxisa ilangatye. I-PA66 inika amandla angcono oomatshini kunye nobushushu obuphezulu benkonzo eqhubekayo (ukuya kuthi ga kwi-120 °C), ngelixa i-PBT inika uzinzo oluphezulu kunye nokufunxwa okuncinci komswakama.
Ayizizo zonke iiPA66 ezifanayo. Kwifektri yethu eNingbo, sifumana i-PA66+GF30 (i-30% yefayibha yeglasi) evela kubaboneleli abafanelekileyo kwaye senza uvavanyo lwezinto ezingenayo ze-DSC (Differential Scanning Calorimetry) ukuqinisekisa iqondo lokunyibilika kunye nobushushu bokutshintsha kweglasi. Ndibone iibhloko zesiphelo ezingabizi kakhulu zisilela kwiinyanga ezintandathu kuba umenzi usebenzise i-PA66 ephinde yasetyenziswa kunye nokusasazwa kwefayibha okungahambelaniyo - imiqobo yaqhekeka phantsi komjikelo wobushushu, kwaye i-CTI yehla ngaphantsi kwemilinganiselo ephantsi.
| Ipropati | I-PA66+GF30 | I-PBT+GF30 | I-Phenolic Resin |
|---|---|---|---|
| Uvavanyo lokutsha lwe-UL | I-V-0 (0.8 mm) | I-V-0 (0.8 mm) | V-0 |
| Ubushushu obuQhubekekayo obuPhezulu | 120 °C | 140 °C | 150 °C |
| Isalathisi sokuQhathanisa ukuLandelela (i-CTI) | I-PLC 2 (250–400 V) | I-PLC 1 (400–600 V) | I-PLC 0 (600 V+) |
| Ukufunxwa komswakama (iiyure ezingama-24, 23 °C) | 0.7 – 1.0% | 0.08 – 0.15% | 0.1 – 0.3% |
| Isicelo esiqhelekileyo | Imizi-mveliso ngokubanzi | Umswakama ophezulu / ngaphandle | Ubushushu obuphezulu kakhulu |
Ukufakelwa kweSitimela se-DIN: Umgangatho woSasazo lwaMandla oluSetyenzisiweyo
Ukufakelwa kwe-DIN rail kuye kwaba ngumgangatho wehlabathi wokufakelwa kweebhloko zesiphelo kwiiphaneli zolawulo lwemizi-mveliso kunye neekhabhathi zokusasaza umbane. Iprofayili yesitimela se-DIN eqhelekileyo — TS 35 (ububanzi obungama-35 mm) nganye I-DIN EN 60715 — ibonelela ngeqonga elibanzi lokufakela iibhloko zesiphelo, ii-circuit breakers, ii-relay, kunye nezixhobo zamandla ngendlela elungelelanisiweyo negcina indawo icocekile.
Kutheni oku kubalulekile kumenzi weebhloko zesiphelo sendlela? Kuba ukuhambelana kwe-DIN rail kumisela ukuba kulula kangakanani ukuba umakhi wephaneli yakho angazidibanisa iibhloko kwiindlela ezikhoyo zekhabhinethi. Umenzi onezithintelo ezisebenzisa iindlela zokufakelwa ezizimeleyo unyanzela umakhi wephaneli ukuba abe ngumgibe womboneleli omnye. Kwa-J-GUANG, siyila zonke izithintelo zethu zesiphelo se-DIN rail barrier kwiprofayili eqhelekileyo ye-35 mm kunye nokufakelwa kwe-snap-on engenazixhobo kunye ne-screwdriver-activated release lever ukuze kube lula ukususa.
Ukufakelwa kwe-DIN rail kunciphisa ixesha lokufakelwa kweentambo zekhabhinethi malunga ne-30% xa kuthelekiswa nemicu yesiphelo yendabuko efakwe kwiipaneli, kuba iingcali zinokuyihlanganisa kwangaphambili indibano yebhloko yesiphelo ngaphandle kwekhabhinethi kwaye ziyifake endaweni yayo njengemodyuli epheleleyo. Xa sasihlola ixesha lokufakelwa kwentambo kumthengisi wezixhobo zeemoto waseJamani ngo-2025, ivenkile yabo yeepaneli yonge umyinge wemizuzu eli-18 kwikhabhinethi nganye ngokutshintsha ukusuka kwizithintelo ezifakwe kwi-screw-panel ukuya kwiibhloko ezifakwe kwi-DIN rail - kwiikhabhinethi ezingama-400 ngonyaka, oko kukuthi iiyure ezili-120 zomsebenzi.
Iiprofayili ze-TS 35 DIN Rail kunye nokuhambelana kwayo
- I-TS 35/7.5 (ireyile yentloko ephezulu, 35 mm x 7.5 mm): Eyona phrofayili ixhaphakileyo yeebhloko zesiphelo kwiiphaneli zolawulo zemizi-mveliso eziqhelekileyo. Iibhloko zethu zokuthintela zisebenzisa ikliphu yokugcina intsimbi yentwasahlobo edibanisa imiphetho yereyile kwaye inika ukukhiya okuhle nokuba kuphantsi kokungcangcazela ukuya kuthi ga kwi-5g nganye kwi-IEC 60068-2-6.
- I-TS 35/15 (ireyile yentloko ephezulu, 35 mm x 15 mm): Isetyenziselwa izinto ezinzima ezifuna inkxaso eyongezelelweyo yoomatshini. Iibhloko zebhanti ezenzelwe ukusetyenziswa kombane ophezulu (ngaphezulu kwe-100 A) zihlala zichaza le phrofayili ukuze kuphuculwe ukumelana nokutsalwa.
- Iprofayili ye-G32 (32 mm): Ayixhaphakanga kumazwe ngamazwe kodwa isafumaneka kwiiphaneli ezindala zaseYurophu. Eyona yanamhlanje umenzi weebhloko zesiphelo sendlela yokuthintelaIinkampani ziye zayiphelisa inkxaso ye-G32 zaza zakhetha umgangatho we-TS 35 oqhelekileyo.
Indlela Yokuvavanya Umenzi We-Barrier Terminal Block
Ayinguye wonke umenzi othi uvelisa iibhloko zesiphelo sendlela ezithintelayo ezibonelela ngomgangatho ohambelanayo kuzo zonke iibhetshi zemveliso. Ndivavanye abathengisi abangaphezu kwama-50 beebhloko zesiphelo kulo lonke elaseTshayina, eYurophu, naseMzantsi-mpuma Asia ngexesha lomsebenzi wam, kwaye ndenze uluhlu lokuhlola olusebenzayo olunokusetyenziswa ngamaqela okuthenga ngexesha lokufaneleka kwababoneleli.
Isakhelo soVavanyo lwabaNiki beeNqanaba ezi-5
- Ubunzulu besatifikethi: Musa ukuyeka ukucela izatifikethi ze-UL kunye ne-CE. Cela inombolo yefayile ye-UL ethile kwaye uyiqinisekise kwisiseko sedatha se-UL esikwi-intanethi. Uluhlu olusemthethweni lwe-UL 1059 luya kubonisa uthotho lwemveliso, udidi lwe-voltage, kunye novavanyo lwangoku. Ndifumene abathengisi abathathu kwiminyaka emibini edlulileyo ababanga "i-UL certified" abangazange bahambelane nophawu lwabo lokwenyani lwemveliso.
- Uvavanyo lwangaphakathi: Ethembekileyo umenzi weebhloko zesiphelo sendlela yokuthintela kufuneka zibe nabavavanyi bamandla e-dielectric ngaphakathi endlwini (abavavanyi be-hipot), iisetingi zovavanyo lokunyuka kobushushu, kunye neegeyiji zokutsala amandla. Ngexesha lokuhlolwa kwefektri, ndihlala ndicela ukubona izatifikethi zokulinganisa ezi zixhobo - oko kundixelela ukuba isebe lomgangatho lingayiqinisekisa na imveliso yalo.
- Ukulandeleka kwezinto: Cela izatifikethi zezinto ezikwinqanaba lebhetshi (ii-DSC curves ze-PA66, iziphumo zovavanyo lwe-CTI, ikhadi elityheli le-UL ukuze ufumane umlinganiselo welangatye). Sigcina inkqubo yokulandelela izinto apho yonke imveliso inxulunyaniswa nenani layo lezinto eziluhlaza. Ukuba umthengi uxela ukusilela, singakulandelela izinto ezikwinqanaba elithile lezinto kwimizuzu engama-30.
- Ixesha lokukhokela kunye nobungakanani obuncinci be-odolo (MOQ): Kwiibhloko zesiphelo sendlela ezinezikrufu eziqhelekileyo kunye nezindlu ze-PA66, umenzi waseTshayina ocwangcisiweyo kakuhle kufuneka akhankanye iintsuku zokusebenza ezili-15-25 ze-MOQ yeziqwenga ezili-1000-2000. Ababoneleli abaninzi banikezela ngesampulu yeziqwenga ezili-10-50 zovavanyo lobunjineli.
- Inkxaso yobunjineli bezicelo: Buza umenzi ukuba angabonelela ngedatha yobugcisa (ii-curves zokunyuka kobushushu, iitshathi ezinciphisayo, iimodeli ze-3D CAD) ngaphandle kwe-NDA. Umenzi oqinisekileyo ngedatha yemveliso yakhe uya kuyabelana ngayo ngokukhululekileyo.
Izicelo zeBarrier Terminal Block kwi-Power Distribution
Iibhloko zesiphelo semiqobo zichazwe kwiinkqubo zokusasazwa kwamandla kwiindawo ezininzi zeshishini kuba uyilo lwazo lokwahlukanisa lufanela ngokukodwa iingcingo ezithembeke kakhulu. Nazi iindidi ezine zezicelo ezixhaphakileyo endidibana nazo:
Amaziko oLawulo lweeMoto zeMizi-mveliso (ii-MCC)
Kwii-MCC applications, ii-barrier terminal blocks zidibanisa ii-AC mains ezingenayo (ngesiqhelo i-400 V ukuya kwi-690 V) kwii-motor starters, ii-variable frequency drives (ii-VFD), kunye nee-distribution buses. Ngenxa yokuba i-short circuit kwi-MCC inokudlula kwiisekethe ezininzi zeemoto, ukuhlukaniswa kwe-barrier kuthintela ukungaphumeleli kwe-terminal enye ekutsaleni ii-feeders ezikufutshane. Sinikezela ngee-barrier blocks ezilinganiswe kwi-100 A ukuya kwi-250 A kunye nee-screw terminals ze-M6 okanye ze-M8 kwezi zicelo.
Amandla Avuselelekayo — Ilanga Nomoya
Iibhokisi zokudibanisa ilanga kunye neepaneli zokulawula i-wind turbine zifuna iibhloko zesiphelo ezithintela ubushushu bangaphandle ukusuka kwi--25 °C ukuya kwi-+70 °C ngelixa zigcina ukuthembeka kwe-dielectric. Kwiprojekthi yefama yelanga eChile, sinikezele ngeebhloko zokuthintela ezisekelwe kwi-PBT ngokukodwa ngenxa yokufunxwa komswakama okuncinci kwe-PBT xa kuthelekiswa ne-PA66 — ukufuma konxweme kunye ne-spray yetyuwa kwenze ukuba ukumelana nokufuma kube yinto ebalulekileyo. Kwiminyaka emithathu yokusebenza, besingenazo iingxelo zokusilela kokugquma.
Ukusasazwa koMbane woKwakha kunye ne-HVAC
Amagumbi ombane ezakhiwo zorhwebo asebenzisa iibhloko zesiphelo sokuthintela izixhobo zokukhanyisa, uqhagamshelo lwezixhobo ze-HVAC, kunye nokusasazwa kombane ongxamisekileyo. Ukufakelwa kwe-DIN rail kubaluleke kakhulu apha kuba iingcali zombane zinokuhlengahlengisa ngokukhawuleza uyilo lweepaneli ngexesha lokwakha izinto ezintsha ngaphandle kokugqobhoza imingxunya emitsha yokufakelwa.
Iziseko zoPhuhliso lweZithuthi kunye nezoThutho
Iinkqubo zamandla okubonisa kunye nokutsalwa kwezithuthi zikaloliwe zifuna iibhloko zesiphelo somqobo ezinokumelana nokungcangcazela okuqinisekisiweyo (IEC 61373 Udidi 1, Udidi B) kunye nemigama eyandisiweyo yokutsalwa kwezithuthi kwiisekethe zotsalo ze-1500 V DC. Ngenxa yokuba iifestile zokulungisa oololiwe zilinganiswa ngeeyure, kungekhona ngeentsuku, ukufakwa koololiwe be-DIN kunye neenombolo zesiphelo esizibonelelayo kunceda amaqela okulungisa abone kwaye atshintshe uqhagamshelo oluneengxaki ngokukhawuleza.
| Isicelo | I-Voltage | Uluhlu lwangoku | Ubungakanani bomqhubi | Izindlu Ezicetyiswayo |
|---|---|---|---|---|
| Amaziko oLawulo lweeMoto | 400–690 V AC | 100–250 A | 16–95 mm² (AWG 6–3/0) | I-PA66+GF30 |
| Ibhokisi yoMdibanisi weSolar | 1000–1500 V DC | 30–100 A | 4–35 mm² (AWG 12–2) | I-PBT+GF30 |
| Iphaneli ye-HVAC | 208–480 V AC | 20–60 A | 2.5–16 mm² (AWG 14–6) | I-PA66+GF30 |
| Imiqondiso kaloliwe | 48–1500 V DC | 10–40 A | 1.5–10 mm² (AWG 16–8) | I-PBT+GF30 |
| Ukusasazwa kwezibane | 277–480 V AC | 15–30 A | 1.5–6 mm² (AWG 16–10) | I-PA66+GF30 |
Iimfuno zeSatifikethi yiTarget Market
Iimarike ezahlukeneyo zengingqi zibeka iimfuno ezahlukeneyo zesatifikethi kubavelisi beebhloko zesiphelo seebhanti. Ukuba uthumela kwamanye amazwe eMntla Melika, i-UL 1059 ayinakuxoxiswana ngayo. Kwiimarike zaseYurophu, uphawu lwe-CE kunye nokuthobela i-IEC 60947-7-1 sisiseko. Nantsi indlela ecacileyo yokwahlulahlula:
- UMntla Melika (e-USA / eKhanada): Ukuqatshelwa kwe-UL 1059 (kuyimfuneko kwiiphaneli ezidweliswe kwi-UL), i-CSA C22.2 No. 158. Iibhloko zebhanti ezilinganiswe kwi-300 V okanye kwi-600 V zisemgangathweni. Ndicebisa ukuqinisekisa inombolo yefayile ye-UL (inokukhangelwa kwi Ivenkile ye-UL Standards) ngaphambi kokuba uzibophelele kumenzi.
- IManyano yaseYurophu (CE + IEC): Ukuthobela i-IEC 60947-7-1, ukumakishwa kwe-CE, ukuthobela i-RoHS kunye ne-REACH. Kwiindawo ze-ATEX (iindawo eziqhumayo), kufuneka isiqinisekiso esongezelelweyo kwi-EN 60079-0 / EN 60079-7 (Ex eb).
- ITshayina (CCC): Isiqinisekiso Esinyanzelekileyo saseTshayina (i-CCC) seebhloko zesiphelo ezisetyenziswa kwizixhobo ezithile zokusasaza umbane. Iibhloko ezingengo-CCC zingasetyenziswa kwiimveliso ezijolise ekuthumeleni ngaphandle.
- Jikelele Jikelele: Ukuthobela iRoHS phantse kuqheleke kakhulu. Ndisoloko ndiqinisekisa ukuba umlinganiselo we-UL 94 V-0 womenzi uhambelana nobukhulu bendlu esetyenzisiweyo kwimveliso yakhe, hayi elona candelo lincinci kangangoko.
Kutheni Ukhetha i-J-GUANG njengoMvelisi wakho weBarrier Terminal Block
Kwi-Ningbo J-GUANG Electronics, besisenza iibhloko zesiphelo kunye nezihlanganisi zombane ukusukela ngo-2010, sakha inkqubo yemveliso ekhonza ii-OEM, abakhi beepaneli, kunye nabasasazi bombane kwihlabathi liphela. Umgca wethu we-terminal block block uquka zombini ubuchwepheshe boqhagamshelo lwe-screw kunye ne-push-in, zonke zenzelwe ukufakwa kwe-TS 35 DIN rail standard.
Into esahlulayo njengomvelisi weebhloko zesiphelo sendlela kukutyala kwethu imali kwiziseko zophuhliso ezisemgangathweni. Ibhetshi nganye yemveliso idlula kwezi: (1) uvavanyo lwamandla e-dielectric kwi-2500 V AC imizuzwana engama-60, (2) umlinganiselo wokunyuka kobushushu kwi-100% current rated iiyure ezi-8, (3) uvavanyo lwamandla okutsala ngokwe-IEC 60947-7-1 Annex A, kunye (4) uvavanyo lobukhulu bodonga oluthintelweyo ukuya ku-±0.05 mm ukunyamezelana. Mna ngokwam ndihlola ideshibhodi yomgangatho rhoqo ngoMvulo kusasa - ukuba ibhetshi ayiphumeleli nakweyiphi na kwezi mvavanyo, ivalelwa yodwa ngaphambi kokuba ifike kumgca wokupakisha.
Zethu Uthotho lweebhloko zesiphelo sendlela ye-PCT-211 DIN rail push-in ibonisa indlela esiyila ngayo: idibanisa isantya sokufakelwa kweentambo sobuchwepheshe banamhlanje bonxibelelwano kunye nezithintelo zokuzahlula ezifanelekileyo kwiisekethe zokusasazwa ze-600 V. Ukuze ufumane uluhlu olupheleleyo lweebhloko zesiphelo semiqobo kunye nezinye izinto zokusasazwa kwamandla, ndwendwela eyethu ikhathalogu yemveliso.
Imibuzo ebuzwa qho
Yintoni ibhloko yesiphelo sendlela yokuthintela kwaye ibonelela njani ngokwahlukana kwe-high-voltage?
Ibhloko yesiphelo sendlela yokuthintela sisixhumi sombane esigqunywe ngeplastiki okanye ngodonga lwe-ceramic — esibizwa ngokuba zizithintelo — phakathi kwendawo nganye yesiphelo sendlela ukuthintela ukungqubana, iisekethe ezimfutshane, kunye nokudibana komqhubi ngengozi. Olu yilo lulodwa lwenza iibhloko zesiphelo sendlela yokuthintela zilungele ukusetyenziswa kokusasazwa kwamandla aphezulu apho ukujika phakathi kweesekethe ezikufutshane kunokubangela umonakalo kwizixhobo okanye ukwenzakala kwabasebenzi. Iindonga zesiphelo zendlela yokuthintela zonyusa umgama wokunyuka ngokuhambelana nemigangatho ye-UL 1059 kunye ne-IEC 60947-7-1, okuvumela ukusebenza okuthembekileyo kwiivolthi ezilinganisiweyo ukuya kuthi ga kwi-600 V (UL) okanye kwi-1000 V (IEC).
Ngaba iibhloko zesiphelo semiqobo zinokufakwa kwiireyile ze-DIN?
Ewe, iibhloko ezininzi zesiphelo semiqobo yanamhlanje zenzelwe ukufakwa ngqo kwireyile ye-DIN kwiireyile eziqhelekileyo ze-TS 35 (35 mm) ngokwe-DIN EN 60715. Ukufakwa kwireyile ye-DIN kuvumela ukufakwa kwemodyuli, kunciphisa ixesha lokuhlanganisa iikhabhinethi, kwaye kwenza kube lula ukugcinwa kunye nokulungiswa kwakhona kwixesha elizayo. Ezinye iibhloko zemiqobo zisebenzisa iziseko ezidibeneyo ze-snap-on, ngelixa ezinye zifuna isiseko se-adaptha. Kwa-J-GUANG, siyila iibhloko zethu zesiphelo semiqobo ze-DIN ezihambelana nomzila we-DIN ezineendlela ze-snap-on ezingenazixhobo ezitshixa ngokukhuselekileyo kumzila wesitimela kwaye zikhululeke nge-screwdriver actuation elula.
Zeziphi iziqinisekiso ekufuneka umenzi weebhloko zesiphelo sendlela yokuthintela abanokuthenjwa abe nazo?
Umenzi weebhloko zesiphelo sendlela ezithintelweyo kufuneka aqaphele i-UL 1059 (umgangatho weebhloko zesiphelo eMntla Melika), ukuthotyelwa kwe-IEC 60947-7-1 (umgangatho wamazwe ngamazwe weebhloko zesiphelo), uphawu lwe-CE lokufikelela kwimarike yaseYurophu, kunye nokuthotyelwa kwe-RoHS kukhuseleko lokusingqongileyo. Iziqinisekiso ezongezelelweyo ezifana ne-CSA, TUV, okanye i-ATEX zinokufuneka ngokuxhomekeke kwisicelo esijoliswe kuso kunye nomzi-mveliso. Ezi ziqinisekiso ziqinisekisa ukuba iimveliso zomenzi ziphumelele uvavanyo oluzimeleyo lomntu wesithathu lokhuseleko lombane, ukuqina koomatshini, kunye nokusebenza kobushushu phantsi kweemeko zovavanyo ezichaziweyo.
Ndingakhetha njani phakathi kweebhloko zesiphelo sendlela ezithintelayo nezithintelayo?
Ukukhetha phakathi kweebhloko zesiphelo sendlela yesikrufu kunye neebhloko zesiphelo sendlela yokutyhala kuxhomekeke kwinqanaba lokungcangcazela kwesicelo sakho, amaxesha okugcinwa, kunye neemfuno zokudlula kwentambo. Iibhloko zesiphelo sendlela yesikrufu zinika amandla aphezulu okubamba kwaye zikhethwa kwiindawo ezinokungcangcazela okuphezulu kunye nobukhulu obukhulu be-conductor (ngaphezulu kwe-10 AWG / 6 mm²). Iibhloko zesiphelo sendlela yokutyhala, ngokwahlukileyo, zinciphisa ixesha lentambo ukuya kuthi ga kwi-60% kuba azifuni ukuqinisa isikrufu kwaye zamkela iingcingo eziqinileyo okanye ezipheliswe yi-ferrule ngentshukumo elula yokufaka. Kwizicelo zokusasazwa kwamandla ezinobukhulu be-conductor edibeneyo, i-J-GUANG icebisa iibhloko zesiphelo sendlela yokutyhala amandla ephambili kunye neebhloko ze-push-in zeesekethe zamasebe apho indawo kunye nesantya zibalulekile.
Yintoni umahluko phakathi kwebhloko yesiphelo sendlela yokuthintela kunye nebhloko yesiphelo sendlela yokuhambisa?
Umahluko ophambili kukuba ibhloko yesiphelo sendlela yokuthintela ibandakanya iindonga zokukhusela eziphakanyisiweyo phakathi kwendawo nganye yesiphelo ukuya kunxibelelwano olusecaleni olwahlukileyo ngokwasemzimbeni, ngelixa ibhloko yesiphelo sendlela yokuthintela idla ngokuba nemingxuma yesiphelo esigutyungelweyo okanye esivaliweyo ngaphandle kokwahlukanisa imiqobo. Iibhloko zesiphelo zibonelela ngokhuseleko oluphezulu kwi-arcing kunye neesekethe ezimfutshane, nto leyo ezenza zibe lolona khetho lukhethwayo lokusasazwa kwamandla aphezulu ngaphezu kwe-250 V. Iibhloko zesiphelo sendlela zincinci kwaye zingabizi kakhulu kwiisekethe zesignali eziphantsi kunye neesekethe zolawulo. Kwindlela yoyilo lwephaneli, sihlala sisebenzisa iibhloko zesiphelo kwi-AC mains kunye neesekethe zeemoto ngelixa sisebenzisa iibhloko zesiphelo sendlela yokuthintela i-PLC kunye noqhagamshelo lwesensor.
Zeziphi ii-conductor sizes ezinokuthi zikwazi ukuthwala ii-terminal blocks?
Iibhloko zesiphelo seentambo zithwala uluhlu olubanzi lobukhulu bomqhubi ngokuxhomekeke kuluhlu. Ububanzi obuqhelekileyo buqala kwi-0.2 mm² (AWG 24) yokulawula iingcingo ukuya kuthi ga kwi-300 mm² (600 kcmil) yokusasazwa kwamandla amakhulu. Iibhloko zesiphelo seentambo ezixhaphakileyo zisingatha i-2.5 mm² ukuya kwi-16 mm² (AWG 14 ukuya kwi-AWG 6). Imodeli nganye yebhloko yesiphelo ichaza icandelo eliphantsi neliphezulu lomqhubi kunye ne-torque yokuqinisa ecetyiswayo kwii-terminals ze-screw. Ukudlula uluhlu lwentambo olulinganisiweyo kuphazamisa ukumelana noqhagamshelwano kunye nokuthembeka kwexesha elide.
Ndingawuqinisekisa njani umgangatho womenzi weebhloko zesiphelo sendlela yokuthintela?
Ukuqinisekisa umgangatho womenzi we-barrier terminal block, cela iingxelo zovavanyo lomntu wesithathu zamandla e-dielectric (ngesiqhelo yi-2500 V AC ngomzuzu o-1 nge-UL 1059 nganye), ukunyuka kobushushu kumbane olinganiselweyo, kunye nokunyamezela koomatshini (inani lemijikelo yokufaka/yokurhoxisa). Cela iziqinisekiso zezinto zokwakha — izixhobo ze-UL 94 V-0 ezilinganiswe yi-PA66 okanye i-PBT zibonisa ukuba i-flame retardant ingcono. Ndwendwela umzi-mveliso okanye ucele utyelelo lwevidiyo ukuze uhlole ukuchaneka kokubumba kunye nomgangatho wokuhlanganisa. Jonga iisampulu zobukhulu bodonga oluthintelweyo olufanayo, iindawo ze-terminal ezingenayo i-burr, kunye nokubandakanyeka rhoqo kwentambo yesikrufu. Umenzi othembekileyo kufuneka azinike zonke ezi zinto ngaphandle kokuthandabuza.
Ngaba ufuna umenzi weebhloko zesiphelo sendlela onokumthemba?
Nxibelelana noYvonne kwa-J-GUANG ukuze ufumane amaphepha edatha obuchwephesha, iisampulu zasimahla, kunye nekowuteshini yeprojekthi yakho elandelayo yokusasazwa kombane.
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