Ndakhala zaka zambiri ndikulumikiza mawaya amagetsi, ndipo ngati pali chinthu chimodzi chomwe ndaphunzira, ndichakuti mphindi iliyonse yomwe ndimagwiritsa ntchito polimbana ndi screw terminal yolimba imakhala mphindi yotayika. Pamene ndinakumana koyamba ndi izi,Ma block a DIN rail push-in terminal, Ndinali ndi kukayikira — kodi makina olumikizira masika-masika angakhale bwanji odalirika ngati kulumikizana kwa screw kolimba bwino? Patatha zaka khumi ndi ziwiri ndi mazana ambiri, ndasintha, ndipo ndikufuna kukufotokozerani chifukwa chake block ya terminal yolumikizira ya 1000V tsopano ndi njira yanga yokhazikika ya gulu lililonse lowongolera komwe voteji ya system imaposa 400V.

Munkhaniyi, ndikufotokoza mfundo zazikulu za ukadaulo wa push-in terminal block, chifukwa chake 1000V rating ndi yofunika m'mafakitale, njira yolumikizira mawaya popanda zida pang'onopang'ono, momwe mungasankhire block yoyenera kapangidwe ka panel yanu, ndi miyezo yoyenera yomwe imalamulira zigawozi. Kaya ndinu mainjiniya wamagetsi wosankha zigawo za panel kapena womanga panel yemwe akufuna kukonza mphamvu zamagetsi, ndikuganiza kuti mupeza china chake chothandiza apa.

Kodi DIN Rail Push-In Terminal Block ndi chiyani?

ADIN njanji yokankhira mkati terminal block ndi chipangizo cholumikizira chamagetsi chomwe chimayikidwa pa njanji yokhazikika ya DIN (nthawi zambiri 35 mm × 7.5 mm kapena 35 mm × 15 mm) ndipo chimagwiritsa ntchito njira ya kasupe kuti chiteteze mawaya olowera popanda kugwiritsa ntchito screwdriver. Kapangidwe kake kamene kamakankhira mkati kali ndi doko laling'ono lolowera pafupi ndi cholumikizira cha kasupe — mumachotsa waya, ndikuyiyika mwachindunji mu doko, ndipo kasupeyo amagwira yokha kondakitala. Kuti mutulutse waya, mumagwiritsa ntchito chida chaching'ono chotulutsira kapena screwdriver kuti muyambitse njira yotulutsira yomwe ili pafupi ndi doko lolowera.

Kusiyana kwakukulu ndi miyambozotchingira zolumikizira ndi screw-clamp ndi njira yolumikizira masika. Mu block ya screw-clamp, waya umamangidwa pomangirira screw yomwe imamatira pa kondakitala. Pakapita nthawi, kugwedezeka ndi kutentha kumatha kupangitsa kuti ma screw alumikizane kumasuka - njira yodziwika bwino yolephera m'malo opangira mafakitale. Ma terminal a masika okankhira mkati amachotsa njira yolumikizira iyi chifukwa masika amagwiritsa ntchito mphamvu yolumikizana nthawi zonse mosasamala kanthu za kutentha, ndipo palibe screw yomasula.

Ningbo J-Guang Electronics, kampani yomwe idakhazikitsidwa mu 2010, imadziwika bwino ndi ma terminal blocks ndi zolumikizira, imapanga mitundu yosiyanasiyana ya Ma block a DIN rail push-in terminal kuphatikizapo mndandanda wawo wa JGTD ndi mitundu ya ma plug-in a PCT-211 omwe ndatchula m'mapulojekiti angapo owongolera. Fakitale yawo yadutsa satifiketi yoyang'anira khalidwe la ISO 9001:2008, ndipo zinthu zawo zili ndi zivomerezo za SGS, ROHS, REACH, CE, CQC, ndi UL - zomwe zimandipatsa chidaliro ndikamafotokoza zigawo izi za ma panelo otumiza kunja omwe ayenera kukwaniritsa zofunikira zapadziko lonse lapansi.

Kumvetsetsa Kuchuluka kwa 1000V: Chifukwa Chake Kuli Kofunika pa Ma Industrial Control Panels

Voliyumu yovomerezeka ya terminal block ndi voliyumu yayikulu kwambiri yomwe chipangizocho chingathe kupirira bwino pansi pa mikhalidwe yoyesedwa. Mu ma panel owongolera mafakitale, kuchuluka kwa voliyumu kumasiyana kwambiri kutengera momwe imagwiritsidwira ntchito:

• 24V DC / 24V AC: Ma circuit a level signal, ma sensor wiring, ma module a PLC I/O. Block ya terminal ya 600V ndi yokwanira.
• 230V / 400V AC: Ma feeder a mota wamba, kugawa mphamvu mkati mwa panelo. Iyi ndiye voltage yogwiritsidwa ntchito kwambiri pamapanelo amafakitale, ndipo block yovomerezeka ya 600V mpaka 1000V ndiyo yoyenera.
• 480V AC: Ma drive a mota amphamvu kwambiri, ma amplifier akuluakulu a servo. Pa mulingo wa voltage uwu, zofunikira pakati pa ma conductors zimakhala zazikulu, ndipo nthawi zonse ndimatchula osachepera 1000V.
• 690V AC: Makina oyambira magalimoto akuluakulu, mabasi olumikizirana. Apa ndi pomwe 1000V imakhala yofunika kwambiri — chilichonse chochepera 1000V chingayambitse kutayikira pang'ono ndi kulephera kutsatira nthawi yonse yomwe gululi likugwira ntchito.

TheChiyeso cha 1000V imapereka malire otetezeka a pafupifupi 45% kuposa magetsi ogwirira ntchito a 690V omwe akuyimira malire apamwamba a kugawa kwa magawo atatu a mafakitale. Malire awa si okhazikika — amawerengera ma voltage transients, ma peak inrush currents, ndi zotsatira zosonkhanitsidwa za kutuluka pang'ono m'malo oipitsidwa kapena achinyezi. IEC 61076-2-101: Muyezo wa 2012 Pa zolumikizira zozungulira za M12 zomwe zimagwiritsidwa ntchito poyesa ndi kulamulira njira zamafakitale, zimatanthauzira zofunikira pa mawonekedwe a cholumikizira zomwe zimakwaniritsa kuchuluka kwa magetsi a terminal block — makamaka, mtunda woyenda, mtunda wotuluka, ndi mgwirizano wa insulation womwe umatsimikizira kuchuluka kwa magetsi a mawonekedwe aliwonse amagetsi olumikizidwa mu control panel.

Chinthu chimodzi chomwe ndimachiyang'ana nthawi zonse: kuchuluka kwa magetsi kuyenera kufotokozedwa pa kutentha kwa mlengalenga pomwe gululi lidzagwira ntchito. Opanga ma terminal block ambiri amafalitsa ma voltage ratings pa 23°C, koma pa 55°C ambient (yomwe imapezeka m'mafakitale otsekedwa), ma voltage rating angafunike kuchepetsedwa ndi 10% mpaka 20%. Ma datasheet a J-Guang nthawi zambiri amakhala ndi derating curve, ndipo ndimatsimikiza kuti ndayang'ana izi poyerekeza ndi momwe malo alili asanamalize kusankha gawo.

Kulumikiza Mawaya Opanda Zida: Njira Yolumikizirana Pang'onopang'ono

Njira yolumikizira mawaya pa terminal block ndi yosavuta, ndipo pambuyo polumikiza koyamba, anthu ambiri ogwiritsa ntchito mawaya a panel amapeza kuti ndi ofulumira kuposa screw clamping. Nayi njira yomwe ndimaphunzitsa pakupanga ma panel aliwonse:

Gawo 1: Sankhani Kukula Koyenera kwa Waya

Ma block a terminal okankhira mkati amayesedwa kuti agwiritsidwe ntchito pa ma waya enaake. Pa ma block a J-Guang a PCT-211 series DIN rail push-in, ma test block a terminal omwe amagwiritsidwa ntchito nthawi zambiri amakhala ndi ma point.ma conductor olimba kuyambira 0.5 mm² mpaka 2.5 mm² ndi ma conductor okhazikika kuyambira 0.5 mm² mpaka 2.5 mm² ndi ma ferrules. Nthawi zonse ndimatsimikiza kuchuluka kwa mawaya enieni kuchokera pa datasheet ya wopanga chifukwa ma push-in block ena salola ma conductor a fine-strand (Class5 kapena Class 6) opanda ma ferrules — makina a masika amatha kukanikiza zingwe zazing'ono ndikuchepetsa kuthamanga kwa ma contact pakapita nthawi.

Gawo 2: Chotsani Waya Kutalika Koyenera

Kuzama kwa cholowera — kutalika kwa kondakitala wopanda kanthu komwe kumafunika kuyikidwa — nthawi zambiri kumalembedwa pa nyumba ya terminal block kapena kumafotokozedwa mu datasheet. Pa ma DIN rail push-in terminal blocks ambiri, kutalika kwa strip ndi 8 mm mpaka 12 mmNdimagwiritsa ntchito chotchingira waya chosinthika chomwe chili ndi kutalika kofanana ndi mchira wa chipika chomwe ndikulumikiza, ndipo ndimatsimikiza kutalika kwa mchira pa waya watsopano uliwonse kumayambiriro kwa kusintha kulikonse. Kutalika kwa mchira komwe kuli kochepa kwambiri kumapangitsa kuti kuya kwa choyikiracho kusakwane komanso kulumikizana kolimba kwambiri; kondakitala yayitali kwambiri, komanso yowonekera imatuluka kupitirira nyumbayo, zomwe zimapangitsa kuti pakhale ngozi yowopsa.

Gawo 3: Ikani Waya — Palibe Chida Chofunikira

Kwa ma conductor olimba komanso ma conductor okhazikika bwino, choyikiracho sichili ndi zida. Ndimagwira waya ndi dzanja limodzi, ndimayika mbali yodulidwayo bwino mu doko loyikiramo, ndikukankhira mpaka nditamva kutulutsidwa kwa kukana kwa masika pamene wayayo ikukhala mu cholumikizira. Makina a masika amagwira waya ndi mphamvu yolumikizira ya 8 N mpaka 15 N pa kukhudzana kulikonse - yokwanira kulimbitsa waya popanda kuwononga zingwe za conductor. Chifukwa palibe zomangira zoti mutembenuzire komanso palibe torque yotsimikizira, mtundu wa kulumikizana umakhala wofanana mosasamala kanthu kuti ndani walumikiza gululo.

Gawo 4: Tsimikizani Kulumikizana

Nditaika waya, ndimayesa kukoka waya uliwonse pang'onopang'ono — kukoka ndi mphamvu ya pafupifupi 5 N mpaka 10 N kuti nditsimikizire kuti chigwiriro cha masika chikugwira ntchito. Malinga ndi zomwe ndakumana nazo, kulumikizana koyenera sikungatuluke ngati waya wagwiritsidwa ntchito bwino. Ngati waya watuluka ndi mphamvu yopepuka, zikutanthauza kuti waya woyezera uli m'mphepete mwa malire omwe ali ndi malire a block kapena kutalika kwa mzere sikunali kokwanira.

Gawo 5: Kutulutsa (Pamene Pakufunika)

Kuti nditulutse waya kuchokera ku cholumikizira cholumikizira, ndimayika screwdriver yaying'ono yokhala ndi tsamba lathyathyathya (nthawi zambiri m'lifupi mwake ndi tsamba la 2.0 mm mpaka 2.5 mm) mu doko lotulutsira lomwe lili pafupi ndi doko lolowetsa, ndikukankhira mkati kuti ndiyambe kutulutsa kwa kasupe, ndikutulutsa waya nthawi yomweyo. Kutulutsa kumatenga pafupifupi masekondi awiri pa kulumikizana kulikonse - koma mwachangu kwambiri kuposa kumasula terminal ya screw, zomwe zimafuna kuti screwdriver isinthidwe ndikumangidwanso ikalumikizidwanso.

Kuyerekeza Kanikizani ndi Kanikizani: Nthawi Yosankha Iliyonse

Ndagwiritsa ntchito ukadaulo wonsewu kwambiri, ndipo kusankha pakati pa kukakamiza ndi screw-clamp nthawi zina sikophweka. Nayi kufananiza kwanga kothandiza kutengera zomwe ndakumana nazo pamunda:

• Liwiro la mawaya: Kulowetsa mwachangu kumapambana bwino. Mu kafukufuku wowongolera nthawi yomwe ndachita, mawaya olowetsa mwachangu amakhala ndi liwiro la 30% mpaka 40% pa kulumikizana kulikonse akaphunzitsidwa ndi waya. Ubwino wake umaonekera kwambiri pa mawaya olimba komanso mawaya osweka omwe ali ndi mawaya — mitundu yeniyeni ya waya yomwe imapezeka kwambiri mu mawaya owongolera mawaya a mafakitale.
• Kudalirika kwa kulumikizana: Ma clamp a masika oponderezedwa amakhala olimba ndipo amasunga mphamvu yolumikizana nthawi zonse kudzera mu kutentha. Malumikizidwe a screw-clamp amatha kumasuka pakapita nthawi ngati sakuponderezedwa bwino. Chifukwa sindingatsimikize kuti gulu lililonse lomangidwa ndi kontrakitala wachitatu lidzakhala ndi chitsimikizo chokwanira cha torque, ndimakonda kuponderezedwa kwa ma panel omwe amawona kugwedezeka kosalekeza kapena kutentha kwa thermal - komwe ndi ntchito zambiri zamafakitale.
• Kugwirizana kwa mtundu wa waya: Ma terminal a screw-clamp amalandira mitundu yosiyanasiyana ya mawaya, kuphatikizapo ma conductors a fine-strand omwe alibe ferrule. Ma blocks okankhira mkati amafuna ma ferrule pa waya wosweka nthawi zambiri. Pama panels omwe amagwiritsa ntchito ma conductors ambiri osinthasintha a Class 5 kapena Class 6 opanda ma ferrule, screw-clamp ikhoza kukhala chisankho chothandiza kwambiri.
• Kusintha kwa munda: Chotsekera cha screw chimapambana apa — m'mikhalidwe yamunda momwe gulu lingasinthidwe ndi akatswiri omwe ali ndi zida zochepa, screwdriver nthawi zambiri imapezeka pomwe chida chotulutsira chokakamiza sichingakhalepo. Ndimafotokoza screw-clamp yolumikizira mawaya amunda m'mapanelo komwe ndimayembekezera kusintha pafupipafupi.
• Mtengo: Ma block a terminal omwe amalowetsedwa mkati nthawi zambiri amawononga ndalama zokwana 10% mpaka 30% kuposa ma screw-clamp ofanana. Pa gulu lomwe lili ndi maulumikizidwe 200, izi zitha kuwonjezera mtengo wa zinthu zomwe zili ndi $200 mpaka $500 - mtengo wabwino kwambiri chifukwa cha liwiro la mawaya komanso kudalirika kwawo.

Miyezo Yomwe Imalamulira Ma DIN Rail Terminal Blocks: IEC 61076-2-101 ndi UL 486A-486B

Ndikamatchula ma terminal block a ma industrial control panels omwe adzatumizidwa padziko lonse lapansi, nthawi zonse ndimatsimikiza kuti miyezo yoyenera ikukhudzidwa. Miyezo iwiri ndi yofunika kwambiri pa ma DIN rail push-in terminal blocks:

The IEC 61076-2-101: Muyezo wa 2012 imatanthauzira zofunikira za malonda a zolumikizira zozungulira za M12 zomwe zimagwiritsidwa ntchito poyesa ndi kuwongolera njira zamafakitale. Ngakhale muyezo uwu umagwira ntchito makamaka pa zolumikizira za sensor ndi actuator, zofunikira zake zobisika ndi zochotsera, mfundo zogwirizanitsa kutenthetsa, ndi njira zoyesera zimatchulidwa kwambiri mumakampani ambiri olumikizira mafakitale. Muyesowu umatchula zolumikizira zokhazikika komanso zopanda zingwe zokhala ndi njira zotsekera zomangira, zokhala ndi mainchesi olumikizana a 0.6 mm, 0.76 mm, 0.8 mm, ndi 1.0 mm m'makonzedwe osiyanasiyana a ma code omwe amaletsa kuyanjana pakati pa mitundu yolumikizira yosagwirizana.

The Miyezo ya UL 486A-486B Imaphimba zolumikizira mawaya zomwe zimagwiritsidwa ntchito poyika magetsi, ndipo ndiye muyezo waukulu womwe UL imatchula potsimikizira ma terminal block a msika waku North America. Pa ma terminal block omwe ali ndi chizindikiro cha UL, kutsatira UL 486A-486B kumatanthauza kuti block yayesedwa kuti ione ngati ikugwira ntchito ndi magetsi, kusunga mawaya motetezeka pansi pa mphamvu ya makina, komanso kukwera kwa kutentha pamene ikunyamula katundu. Ndikamatchula ma terminal block kuti atumizidwe kumisika yaku North America kapena ma OEM panels omwe adzaphatikizidwe mu zida zovomerezeka ndi miyezo ya UL, ndimaganizira ma block omwe ali ndi satifiketi ya UL 486A-486B - ndiyo njira yachangu kwambiri yotsimikizira kuti block ikukwaniritsa zofunikira zodziwika bwino zachitetezo.

Kusankha DIN Rail Push-In Terminal Block Yoyenera ya Panel Yanu

Kutengera ndi zomwe ndakumana nazo posankha ndikugwiritsa ntchito ma DIN rail push-in terminal blocks m'magawo ambiri owongolera mafakitale, nayi mndandanda wosankha womwe ndimaupeza pa projekiti iliyonse:

• Kuyesa kwa voteji: Ma AC osachepera 1000V pa gulu lililonse lomwe likugwira ntchito kuposa 400V AC; 600V AC ndi yovomerezeka pama panelo okhala ndi chizindikiro komanso amphamvu zochepa.
• Mlingo wamakono: Yerekezerani ndi mphamvu yopitilira ya kondakitala yotetezedwa — nthawi zambiri 10A, 16A, 24A, kapena 32A ya mabuloko a DIN rail terminal blocks. Chepetsani ndi 15% ngati kutentha kwamkati mwa mpanda kukupitirira 45°C.
• Kukula kwa waya: Tsimikizirani kuti chipikacho chikulandira ma waya oyezera omwe amagwiritsidwa ntchito mu panelo yanu. Kuvomerezeka kolimba, kokhazikika ndi ferrule, ndi chingwe chopyapyala kuyenera kutsimikiziridwa padera.
• Chiwerengero cha milingo: Ma block a level imodzi ndi osavuta; ma block a level awiri amasunga malo a DIN railway koma ndi ovuta kuwalumikiza ndi kuthetsa mavuto. Ndimakonda ma block a level imodzi pama panel ambiri wamba komanso ma double level pama panel omwe ali ndi malo ochepa.
• Mtundu wolumikizira: Kuyika mkati mwa nyumba yatsopano (ma waya othamanga kwambiri); cholumikizira chokulungira kapena cholumikizira mapanelo osinthidwa m'munda.
• Zikalata zofunika: CE ya misika ya EU, UL 486A-486B ya North America, ROHS ndi REACH yokhudza kutsatira malamulo okhudza chilengedwe.
• Zowonjezera: Malo oimika njanji a DIN, ma plate ogawa pakati pa magulu a magetsi, mipiringidzo yolumikizira mabasi, zizindikiro zozindikiritsa dera.

Zolakwa Zodziwika Kwambiri Zokhazikitsa ndi Momwe Mungapewere

Kwa zaka zambiri, ndaona zolakwika zomwezo mobwerezabwereza m'mapanelo pogwiritsa ntchito ma DIN rail push-in terminal blocks. Nazi zomwe ndimalankhula mu msonkhano uliwonse wokonzekera kupanga ndi gulu lomanga mapanelo:

• Kugwiritsa ntchito waya wolakwika: Ma conductor a Class 5 kapena Class 6 omwe ali ndi chingwe chopyapyala choyikidwa popanda ma ferrules amatha kupanga maulumikizidwe olimbana kwambiri kapena kugwira ntchito momasuka pakapita nthawi. Ndimaonetsetsa kuti mawaya amafotokoza momveka bwino zomwe ma ferrules amafunikira pa waya wosweka, ndipo ndimatsimikiza kuti ma ferrules alipo panthawi yowunikira.
• Utali wolakwika wa mzere: Ndi yayifupi kwambiri ndipo kulumikizana sikudalirika; kondakitala yayitali kwambiri komanso yowonekera imabweretsa ngozi yotetezeka. Ndimayika ma waya odulira malinga ndi momwe amagwiritsidwira ntchito ndikuyang'ana momwe zinthu zilili poyamba.
• Kusakaniza ma voltage milingo popanda ma partition plates: Mukagwiritsa ntchito ma terminal blocks okhala ndi ma voltage osiyanasiyana mbali imodzi, plate yogawa pakati pa magulu a voltage ndi yofunika kwambiri kuti magetsi azikhalabe okwanira. Nthawi zonse ndimasankha ma partition plates pamalire a magulu onse a voltage.
• Kuyika mawaya ambiri mopitirira muyeso mu doko limodzi: Ma block ambiri olumikizirana amapangidwa kuti azigwiritsidwa ntchito pa waya umodzi pa doko lililonse. Kuyika mawaya awiri kuti agwirizane pa intaneti kumapanga kulumikizana kosadalirika ndipo kumaphwanya satifiketi ya UL486A-486B. Pa kulumikizana komwe kumagwiridwa, ndimagwiritsa ntchito jumper bar kapena splice point yosiyana.
• Kuyiwala kuyambitsa njira yotulutsira: Kuyesa kutulutsa waya popanda kumasula chomangira cha spring poyamba kungawononge chipikacho. Ndikutsimikiza kuti wogwiritsa ntchito waya aliyense akumvetsa ndikutsatira njira yotulutsira waya kwa masekondi awiri.

Mapeto

Ma block a DIN rail push-in terminal omwe ali ndi ma 1000V ndi chisankho choyenera cha ma control panels ambiri a mafakitale omwe amagwira ntchito pa 400V AC ndi kupitirira apo, chifukwa amapereka kuphatikiza kwa ma voltage apamwamba, kudalirika kwa spring-clamp kosagwedezeka, komanso liwiro la mawaya opanda zida zomwe sizipezeka m'malo ena a screw-clamp. 1000V rating imapereka chitetezo chokwanira kuposa ma voltage ogwiritsira ntchito mafakitale a 690V, ndipo ukadaulo wa spring-clamp umachotsa njira yolephera yomasula screw yomwe imapezeka m'ma terminal a screw-clamp omwe amagwiritsidwa ntchito nthawi zonse m'mafakitale.

Ndikasankha ma push-in terminal blocks a panel yatsopano, ndimatsimikiza kuti IEC 61076-2-101 connector standard ikutsata zofunikira za creepage ndi clearance, ndipo ndimaumirira kuti UL 486A-486B satifiketi ya panel iliyonse yopita ku misika ya North America. Zofunikira pakugwirizana kwa waya - makamaka zofunikira za ferrule za ma conductor osweka - ndizomwe zimaonedwa kwambiri, kotero nthawi zonse ndimazitchula momveka bwino mu wiring standard ya pulojekitiyi. Ndi specification yoyenera ndi kukhazikitsa, ma push-in terminal blocks amapereka nthawi yomanga ma panel mwachangu komanso kulumikizana kodalirika kwa nthawi yayitali kuposa njira zina zomangira screw-clamp, ndichifukwa chake ndawapanga kukhala chisankho changa chosasinthika pama projekiti atsopano owongolera ma panel.

Lumikizanani nafe - J-GUANG