Ndapedza makore anopfuura makumi maviri ndichiisa tambo dzemagetsi muindasitiri, uye kana paine chinhu chimwe chandakadzidza, ndechekuti miniti yega yega inoshandiswa kurwisa screw terminal inotambisa miniti. Pandakasangana neizvi kekutanga,DIN rail push-in terminal blocks, Ndakanga ndisina chokwadi — sei nzira yekusimbisa chitubu inogona kuva yakavimbika sekubatanidza screw kwakasimba zvakanaka? Makore gumi nemaviri nemazana emapaneru gare gare, ndave kuchinja, uye ndinoda kukuratidzai kuti nei 1000V-rated push-in terminal block yava ndiyo yandinoda kushandisa panel chero ipi zvayo ine voltage yesystem inodarika 400V.

Muchinyorwa chino, ndiri kutaura nezvezvinhu zvakakosha zvetekinoroji yekuvhara mabhuroko emagetsi, kuti sei chiyero che1000V chichikosha munzvimbo dzemaindasitiri, nzira yekubatanidza waya isina zvishandiso nhanho nhanho, maitiro ekusarudza bhuroko rakakodzera dhizaini yepaneru yako, uye mwero wakakodzera unodzora zvikamu izvi. Ungave uri mainjiniya wemagetsi anotsanangura zvikamu zvepaneru kana muvaki wepaneru ari kutsvaga kuvandudza mashandiro, ndinofunga uchawana chimwe chinhu chinobatsira pano.

Chii chinonzi DIN Rail Push-In Terminal Block?

ADIN njanji inosundidzira mukati mechiteshi chemagetsi mudziyo wekubatanidza magetsi unosungirirwa paDIN rail yakajairika (kazhinji 35 mm × 7.5 mm kana 35 mm × 15 mm) uye unoshandisa spring mechanism kuchengetedza waya dzinoiswa pasina kushandisa sikurudhiraivha. Dhizaini ye push-in ine diki insertion port iri pedyo ne spring clamp — unobvisa waya, woiisa zvakananga mu port, uye spring inozvibata conductor. Kuti ubvise waya, unoshandisa diki release tool kana sikurudhiraivha kuti utange release mechanism iri pedyo ne insertion port.

Musiyano mukuru kubva kune zvechinyakarezvivharo zve terminal zve screw-clamp ndiyo nzira yekusimbisa chitubu. Mubhokisi rekusimbisa chitubu, waya inosimbiswa nekusimbisa sikuruu inosunga kondakita. Nekufamba kwenguva, kudedera uye kushanduka kwekushisa zvinogona kukonzera kuti kubatana kwesikuruu kusununguke - nzira inozivikanwa yekukundikana munzvimbo dzemaindasitiri. Mapombi ekusimbisa chitubu anobvisa nzira iyi yekukundikana nekuti chitubu chinoshandisa kumanikidzwa kwekubatana nguva dzose pasinei nemamiriro ekupisa, uye hapana sikuruu yekusunungura.

Ningbo J-Guang Electronics, kambani yakavambwa muna 2010 inogadzira ma "terminal blocks" nema "connectors", inogadzira mhando dzakasiyana dzemagetsi. DIN rail push-in terminal blocks kusanganisira mhando dzavo dzeJGTD series nePCT-211 plug-in dzandakataura mumapurojekiti akawanda e control panel. Fekitori yavo yapasa ISO 9001:2008 quality management certification, uye zvigadzirwa zvavo zvine SGS, ROHS, REACH, CE, CQC, uye UL approvals — izvo zvinondipa chivimbo pandinenge ndichitsanangura zvikamu izvi zve export panels dzinofanira kusangana nezvinodiwa zvepasi rose.

Kunzwisisa 1000V Rating: Nei Zvichikosha kune Industrial Control Panels

Voltage yakayerwa ye terminal block ndiyo voltage yepamusoro iyo mudziyo unogona kutsungirira zvakachengeteka mumamiriro ezvinhu akatsanangurwa ekuyedza. Muma industrial control panels, mazinga evoltage anosiyana zvakanyanya zvichienderana nekushandiswa:

• 24V DC / 24V AC: Maseketi epadanho rechiratidzo, waya dzesensa, mamodule ePLC I/O. Chivharo chemagetsi che600V chakakwana.
• 230V / 400V AC: Ma "standard motor feeders", kugoverwa kwesimba mukati me "panel". Iyi ndiyo voltage inonyanya kushandiswa pama "industrial panels", uye block ine 600V kusvika 1000V yakakodzera.
• 480V AC: Madhiraivha emota ane simba guru, ma amplifiers makuru eservo. Padanho iri remagetsi, zvinodiwa zve creepage uye clearance pakati pema conductors zvinova zvakakosha, uye ndinogara ndichitsanangura chiyero chidiki che1000V.
• 690V AC: Zvishandiso zvekutanga zvemaindasitiri, mabhazi anobatanidza. Apa ndipo panonyanya kukosha chiyero che1000V — chero chinhu chiri pasi pe1000V chakaongororwa chinogona kukonzera kuburitswa kwemagetsi zvishoma uye kukundikana kwekutevera panguva yekushanda kwepaneru.

IyoChiyero che1000V inopa mukana wekuchengetedza weinenge 45% pamusoro pevoltage yekushanda ye690V inomiririra muganho wepamusoro wekugoverwa kwezvikamu zvitatu zveindasitiri. Muganho uyu hausi wekuzvisarudzira — unotsanangura ma voltage transients, peak inrush currents, uye mhedzisiro yakaunganidzwa yekubuda kwechikamu munzvimbo dzakasvibiswa kana dzine hunyoro. IEC 61076-2-101: mwero wa2012 Kune M12 denderedzwa connectors dzinoshandiswa mukuyera nekugadzirisa mashandiro eindasitiri, zvinotsanangura zvinodiwa zve connector interface zvinozadzisa voltage rating ye terminal block — kunyanya, madaro ekukwira, madaro ekubuda, uye insulation coordination zvinosarudza voltage rating yechero connection yemagetsi yakabatana mu control panel.

Chinhu chimwe chandinogara ndichitarisa: chiyero chemagetsi chinofanira kutaurwa pa tembiricha yemhepo pachashanda panel. Vagadziri vazhinji vema terminal block vanoburitsa voltage ratings pa23°C, asi pa55°C ambient (inowanzoonekwa mumaindasitiri akavharirwa), voltage rating ingangoda kuderedzwa ne10% kusvika 20%. Mapepa edata aJ-Guang anowanzo sanganisira derating curve, uye ndinoita shuwa kuti ndaongorora izvi zvichienderana nemamiriro chaiwo enzvimbo ndisati ndapedzisa kusarudza chikamu.

Kubatanidza Pasina Zvishandiso: Maitiro Ekubatanidza Kusundidzirana Danho Nedanho

Maitiro ekubatanidza waya pa "push-in terminal block" ari nyore, uye mushure mekubatanidza kwakawanda kwekutanga, vazhinji ve "panel wire" vanoiwana ichikurumidza kupfuura screw clamping. Heino maitiro andinodzidza mukuvaka kwese kwepaneru:

Danho 1: Sarudza Saizi Yakakodzera Yewaya

Mabhuroko emagetsi anosundirwa mukati (push-in terminal blocks) anoongororwa zvichienderana nemageji chaiwo ewaya. Kune mabhuroko emagetsi anosundirwa mukati eJ-Guang ePCT-211 series DIN rail push-in, anoonekwa seanoonekwa seanoonekwa seanoonekwa.mafambiro akasimba kubva pa0.5 mm² kusvika 2.5 mm² uye mafambiro ekufambisa akamira kubva pa0.5 mm² kusvika 2.5 mm² nemaferrules. Ndinogara ndichiongorora huwandu hwewaya chaiyo kubva padatasheet yemugadziri nekuti mamwe mabhuroko e push-in haagamuchire ma fine-strand (Class5 kana Class 6) conductors asina maferrules — spring mechanism inogona kudzvanya fine strands uye kuderedza contact pressure nekufamba kwenguva.

Danho rechipiri: Bvisa waya kusvika pakureba kwakakodzera

Kudzika kwekuisa - kureba kwemuchina usina chinhu unoda kuiswa - kunowanzo nyorwa paimba yekuvhara kana kunyorwa mudatasheet. Kune akawanda ma DIN rail push-in terminal blocks, kureba kwestrip ndiko 8 mm kusvika 12 mm. Ndinoshandisa tambo inogadziriswa inogadziriswa ine urefu chaihwo hwetambo yebhuroko randinenge ndichibatanidza waya, uye ndinoongorora hurefu hwetambo patambo yega yega itsva pakutanga kweshanduko yega yega. Hurefu hwetambo hupfupi kwazvo hunoita kuti isanyatsopinda zvakanaka uye isakwanise kubatana zvakanyanya; tambo yakareba, uye yakazaruka inobuda kunze kweimba, zvichikonzera njodzi yekuvhunduka.

Danho rechitatu: Isa waya — Hapana Chishandiso Chinodiwa

Kune maconductor akasimba uye maconductor akaomeswa zvakanaka, insertion yacho haina maturusi. Ndinobata waya neruoko rumwe, ndoisa magumo akatsemurwa zvakananga mu insertion port, ndosunda kusvika ndanzwa spring resistance release sezvo waya iri mu clamp. Spring mechanism inobata waya nesimba rekubata rinowanzova 8 N kusvika 15 N pa contact imwe neimwe — zvakakwana kuti isunge waya pasina kukuvadza tambo dze conductor. Nekuti hapana screw yekutenderedza uye hapana torque specification yekusimbisa, hunhu hwe connection hunoenderana zvisinei nekuti ndiani ari kuisa waya pa panel.

Danho rechina: Simbisa Kubatana

Mushure mekupinza, ndinoedza kudhonza waya yega yega zvinyoro nyoro — ndichidhonza nesimba rinenge 5 N kusvika 10 N kuti ndisimbise kuti spring grip yabatirira. Mukuona kwangu, push-in connection chaiyo haizoburitse kana yabatwa zvakanaka. Kana waya ikadhonzwa nesimba rechiedza, zvinoreva kuti waya iri pamucheto wenzvimbo yakatarwa nebhuroko kana kuti kureba kwestrip kwaisakwana.

Danho 5: Kusunungura (Kana Zvichidikanwa)

Kuti ndiburitse waya kubva pachinhu chinosundidzira mukati, ndinoisa sikurudhiraivha diki ine blade rakatsetseka (kazhinji ine upamhi hwe 2.0 mm kusvika 2.5 mm) muchikamu chinosunungura chiri pedyo nechinopinza, ndosundidzira mukati kuti ndiite kuti chitubu chibudiswe, uye panguva imwe chete ndoburitsa waya yacho. Kuburitsa waya kunotora masekondi maviri pakubatanidza — zvichiri nekukurumidza kupfuura kusunungura sikurudhiraivha, izvo zvinoda kuti sikurudhiraivha idzoke panzvimbo yayo uye idzokezve pakubatanidzazve.

Kuenzanisa Push-In vs. Screw-Clamp: Nguva Yekusarudza Imwe Neimwe

Ndakashandisa matekinoroji ese ari maviri zvakanyanya, uye sarudzo pakati pe push-in ne screw-clamp haisi nyore nguva dzose. Heino kuenzanisa kwangu kunoshanda zvichibva pane zvakaitika mumunda:

• Kumhanya kwewaya: Kupinza-mukati kunobudirira zviri pachena. Muzvidzidzo zvenguva yandakamboita, kupinza-mukati kunokurumidza ne30% kusvika 40% pakubatanidza kana munhu adzidziswa kupinza tambo. Zvakanakira izvi zvinonyanya kuonekwa kune ma solid conductors uye ferruled stranded wires - mhando dzetambo chaidzo dzinonyanya kuwanikwa muindasitiri yekubatanidza tambo dzema control panel.
• Kuvimbika kwekubatana: Ma "push-in spring clamps" haapindi mu "vibration" uye anoramba achibata "contact pressure" nguva dzose kuburikidza ne "thermal cycling". Ma "screw-clamp connections" anogona kusunungura nekufamba kwenguva kana asina ku "torque" zvakanaka. Nekuti handigoni kuvimbisa kuti panel yega yega yakagadzirwa ne "third-party contractor" ichave ne "torque verification" chaiyo, ndinosarudza "push-in" kune panel dzine "continuous vibration" kana "thermal cycling" - inova ndiyo inonyanya kushandiswa mumaindasitiri.
• Kuenderana kwemhando yewaya: Ma terminal e screw-clamp anogamuchira mhando dzakasiyana dzewaya, kusanganisira ma conductor asina ferruled fine-strand. Ma push-in blocks anoda ma ferrule pawaya yakamanikana kazhinji. Kune mapaneru anoshandisa ma flexible conductors akawanda eClass 5 kana Class 6 asina ma ferrules, screw-clamp inogona kunge iri sarudzo inoshanda zvakanyanya.
• Kugadziriswa kwemunda: Chinosunga chinotsigira pano — mumamiriro ezvinhu emunda apo panel inogona kuchinjwa nenyanzvi dzine zvishandiso zvishoma, sikurudhiraivha inowanikwa nguva dzose nepo chishandiso chekusundidzira mukati chingasavapo. Ini ndinotsanangura screw-clamp yekubatanidza field-wared mumapaneru kwandinotarisira kuchinjwa kakawanda.
• Mutengo: Mabhuroko emagetsi anoiswa mukati anowanzo dhura 10% kusvika 30% kupfuura mamwe mavhezheni akafanana neaya e screw-clamp. Kune panel ine ma connections mazana maviri, izvi zvinogona kuwedzera $200 kusvika $500 mumutengo wezvinhu - mutengo unonzwisisika wekukurumidza kwewaya uye mabhenefiti ekuvimbika.

Mitemo Inotonga DIN Rail Terminal Blocks: IEC 61076-2-101 uye UL 486A-486B

Pandinenge ndichitaura nezvema terminal blocks ema industrial control panels achatumirwa kunze kwenyika, ndinogara ndichiongorora zvinodiwa. Mitemo miviri inonyanya kukosha kune ma DIN rail push-in terminal blocks:

Iyo IEC 61076-2-101: mwero wa2012 inotsanangura zvinodiwa zvechigadzirwa cheM12 circular connectors dzinoshandiswa mukuyera nekugadzirisa maitiro eindasitiri. Kunyange zvazvo chiyero ichi chichishanda zvakanyanya kune sensor ne actuator connectors, zvinodiwa zvayo zvekutsvedza nekusunungura, misimboti yekubatanidza insulation, uye nzira dzekuyedza zvinotsanangurwa zvakanyanya muindasitiri yakakura yeindasitiri yekubatanidza. Chiyero ichi chinotsanangura fixed and free connectors dzine screw-locking mechanisms, dzine contact diameters dze 0.6 mm, 0.76 mm, 0.8 mm, uye 1.0 mm mumhando dzakasiyana dze coding configurations dzinodzivirira cross-mating pakati pemhando dzeconnector dzisingaenderane.

Iyo UL 486A-486B zviyero Inovhara waya dzinobatanidza dzinoshandiswa mukuisa magetsi, uye ndiyo chiyero chikuru chinotaurwa neUL pakusimbisa mabhuroko emagetsi emusika weNorth America. Kune mabhuroko emagetsi ane chiratidzo cheUL, kutevedzera UL 486A-486B zvinoreva kuti bhuroko rakaedzwa kugona kwekutakura magetsi, kuchengetedza waya pasi pekumanikidzwa kwemuchina, uye kukwira kwekupisa pasi pemutoro. Pandinenge ndichitsanangura mabhuroko emagetsi ekutengeswa kumisika yeNorth America kana kune maOEM panels achabatanidzwa mumidziyo ine chitupa cheUL 486A-486B, ndinongofunga nezvemabhuroko ane chitupa cheUL 486A-486B - ndiyo nzira inokurumidza yekusimbisa kuti bhuroko rinosangana nezvinodiwa zvekuchengetedza zvinozivikanwa.

Kusarudza DIN Rail Push-In Terminal Block Yakakodzera yePanel Yako

Zvichibva pane zvakaitika kwandiri pakusarudza nekushandisa DIN rail push-in terminal blocks mumazana ema industrial control panels, heino runyorwa rwesarudzo dzandinotarisa pabasa rega rega:

• Kuyera kwevoltage: 1000V AC yepaneru chero ripi zvaro rinoshanda pamusoro pe400V AC; 600V AC inogamuchirwa kune mapaneru ane masaini uye ane simba shoma.
• Chiyero chemazuva ano: Gadzirisai simba remagetsi rinoenderera mberi remuchina wakachengetedzwa — kazhinji 10A, 16A, 24A, kana 32A kune ma DIN rail terminal blocks akajairwa. Deredza ne15% kana tembiricha yemhepo iri mukati menzvimbo yacho ikadarika 45°C.
• Saizi yewaya: Simbisa kuti bhokisi rinogamuchira waya dzinoshandiswa mupaneru yako. Yakasimba, yakavharirwa ine ferrule, uye kugamuchirwa kwetambo dzakapfava kunofanirwa kusimbiswa zvakasiyana.
• Huwandu hwemazinga: Mabhuroko edanho rimwe chete ari nyore; mabhuroko edanho rimwe chete anochengetedza nzvimbo yechitima cheDIN asi akaoma zvikuru kuisa waya nekubatanidza matambudziko. Ini ndinoda mabhuroko edanho rimwe chete pamapaneru mazhinji akajairwa uye mabhuroko edanho rimwe chete pamapaneru asina nzvimbo yakawanda.
• Rudzi rwekubatanidza: Kusundidzira mukati mekuvaka kutsva (waya dzinokurumidza); chibatiso chesikuruu kana chinodzikiswa pamapaneru akagadziriswa mumunda.
• Zvitupa zvinodiwa: CE yemisika yeEU, UL 486A-486B yeNorth America, ROHS neREACH yekutevedzera mitemo yezvakatipoteredza.
• Zvishongedzo: DIN rail end stops, mapatani ekuparadzanisa pakati pemapoka emagetsi, majumper bars ekubatanidza mabhazi, zviratidzo zvechiratidzo chedunhu.

Zvikanganiso Zvakajairika Zvekuisa uye Maitiro Ekudzivisa

Kwemakore, ndakaona zvikanganiso zvakafanana kakawanda mumapaneru achishandisa DIN rail push-in terminal blocks. Heano andinotaura nezvawo mumusangano wega wega wekugadzirira nechikwata chekuvaka mapaneru:

• Kushandisa waya isiriyo: Madhairekita eClass 5 kana Class 6 akaiswa asina maferrules anogona kugadzira kubatana kunodzivirira zvakanyanya kana kushanda zvisina kurongeka nekufamba kwenguva. Ndinova nechokwadi chekuti tambo dzinoratidza zvakajeka zvinodiwa nemaferrule pawaya dzakavharirwa, uye ndinosimbisa kuti maferrule aripo panguva yekuongorora mukati mehurongwa.
• Kureba kwemutsara kwakashata: Ipfupi zvakanyanya uye kubatana kwayo hakuna kuvimbika; kondakita yakareba uye yakavhurika inokonzera njodzi yekuchengetedza. Ndinoisa waya dzinobvisa waya padanho chairo rekushandisa terminal block uye ndotarisa mamiriro acho pakutanga kweshanduko yega yega.
• Kusanganisa mazinga emagetsi pasina maplate ekuparadzanisa: Pakushandisa ma multi-tier terminal blocks ane voltage dzakasiyana padivi nepadivi, partition plate pakati pe voltage groups inokosha kuti voltage irambe iripo. Ndinogara ndichitsanangura partition plates pamuganhu wega wega we voltage group.
• Kuisa waya dzakawanda zvakanyanya muchiteshi chimwe chete: Mazhinji ma "push-in terminal blocks" akagadzirirwa waya imwe chete pachiteshi chimwe nechimwe. Kuisa waya mbiri kuti dzigovane chinongedzo kunoita kuti pave nekubatana kusingavimbike uye kunokanganisa chitupa cheUL486A-486B. Pakubatanidza kunogovaniswa, ndinoshandisa jumper bar kana splice point yakasiyana.
• Kukanganwa kufambisa nzira yekuburitsa: Kuedza kuburitsa waya pasina kusunungura chibatiso chespring kutanga kunogona kukanganisa bhokisi. Ndinova nechokwadi chekuti munhu wese anoshandisa waya anonzwisisa uye anotevedzera maitiro ekuburitsa waya kwemasekondi maviri.

Mhedziso

Mabhuroko eDIN rail push-in terminal ane mwero we1000V ndiwo akakodzera kune akawanda maindasitiri anotonga mapaneru anoshanda pa400V AC zvichikwira, nekuti anopa musanganiswa we high voltage rating, vibration-resistant spring-clamp reliability, uye tool-free wiring speed iyo isingawanikwe mune dzimwe nzira dze screw-clamp. Iyo 1000V rating inopa mukana wekuchengetedza wakakosha kupfuura 690V industrial operating voltages, uye tekinoroji ye spring-clamp inobvisa screw-loosening failure mode iyo inowanikwa mu screw-clamp terminals pasi pekushanda kweindasitiri nguva dzose.

Pandinenge ndichisarudza ma "push-in terminal blocks" epaneru idzva, ndinosimbisa kuti IEC 61076-2-101 connector standard inoenderana nezvinodiwa zve "creepage" uye "clearance", uye ndinosimbirira kuti pave ne UL 486A-486B certification kune chero paneru inoenda kumisika yeNorth America. Zvinodiwa zve "wire compatibility" - kunyanya zvinodiwa zve "ferrule" zve "stranded conductors" - ndizvo zvinonyanya kufuratirwa, saka ndinogara ndichizvitaura zvakajeka mu "wiring standard" yepurojekiti. Nekutsanangurwa kwakakodzera uye kuiswa kwakakodzera, ma "push-in terminal blocks" anopa nguva yekuvaka paneru nekukurumidza uye kubatana kwenguva refu kwakavimbika kupfuura dzimwe nzira dze screw-clamp, ndosaka ndakavaita sarudzo yangu yekutanga yemapurojekiti matsva e "industrial control panel".

Taura Nesu - J-GUANG