Ukusilela kweTerminal Block enomswakama ophezulu: Amaqhinga okuthintela ukufakwa kwemozulu yeTropiki

TL;DR — Ukuba unemizuzwana engama-60 kuphela

• Ukufakelwa kombane okunxwemeni lwetropiki kuhlangabezana namazinga okusilela kwe-terminal block kwi-15-25% kwiinyanga ezili-18 xa kuthelekiswa nangaphantsi kwe-2% kwiindawo ezinemozulu epholileyo — kuba ukufuma komswakama kwi-80%+ ukufuma okunxulumeneyo kukhawulezisa ukubola kwe-galvanic kwiindawo zoqhagamshelwano phakathi kwentambo nentwasahlobo, kwandisa ukumelana nokuqhagamshelana de ukuveliswa kobushushu kubangele ukuphazamiseka kwesekethe. Iibhloko ze-terminal ezivaliweyo ezine-IP67 ezineebhutsi ze-silicone zokutywina ziyimfuneko kwiindawo zokufakela zangaphandle zetropiki.
• Uyilo lwee-terminal ze-clamp zasentwasahlobo zenza imijelo yokufuma kwe-capillary kwindawo yokungena kwentambo — Ndicacisa ii-terminal ze-screw clamp ezinee-compression connections ezivaliweyo zezicelo zangaphandle zase-tropical apho ukungena komswakama kuyindlela ephambili yokusilela.
• Ukungena ngentambo evaliweyo kusetyenziswa izihlangu zokutywina zesilicone okanye ityhubhu yokuncamathelisa eshushu kwindawo yokungena ngentambo yesiphelo kususa indlela yokuqala yokungena komswakama ebangela ukubola koqhagamshelwano phakathi kwentambo nesiphelo.

Oko Ndikufundileyo Ngokusilela Kombane KwiTropiki Emva Kweminyaka Engamashumi Amabini Yokunikezelwa KweeBloko Zesiphelo

Xa ndandiqala ukubonelela ngezixhobo zoqhagamshelo lombane kwiinkampani zombane ezikuMzantsi-mpuma we-Asia ngo-2006, isikhalazo esiphindaphindayo endandisiva rhoqo yayikukusilela kweebhloko zesiphelo kwiindawo zokufakelwa kwee-tropiki ezikunxweme lwe-tropical. Iinkampani zombane zaziza kugqiba ukufakelwa okutsha, inkqubo yayiza kusebenza ngokuchanekileyo kwiinyanga ezimbalwa zokuqala, kwaye emva koko iisekethe ngazinye zaziza kuqala ukusilela - ekuqaleni ngamaxesha athile, emva koko ngokuthe chu rhoqo de isekethe ingasebenzi ngokupheleleyo. Ngenxa yokuba ukusilela kwakusasazwa kwiisekethe ezininzi kwindawo enye endaweni yokuba kugxilwe kwindawo enye, umzekelo wawukhomba kwingxaki yokusingqongileyo endaweni yokuba yingxaki yomsebenzi wokufakelwa. Xa ndandihlola iibhloko zesiphelo ezingaphumelelanga ezibuyisiweyo kwiindawo zokufakelwa kwee-tropiki ezikunxweme lwe-tropical, indlela yokusilela yayingaphazami: ukubola kwe-galvanic kwindawo yokunxibelelana kwentambo, okubangelwa kukungena komswakama kwindawo ye-terminal block.

Ngenxa yokuba iindawo ezikunxweme olushushu zinezinga lokufuma elihambelanayo elihlala lidlula i-80%, kwaye ngenxa yokuba umjikelo wobushushu bemihla ngemihla kwiindawo ezishushu ezikunxweme ubangela ukuba kubekho ukufuma kwiindawo ezipholileyo ngexesha leeyure zasekuseni ngaphambi kokuba ilanga lifudumale umoya, iindawo zombane kunye nezinto ezikuyo - kuquka iibhloko zesiphelo - zifumana umjikelo wokuvezwa komswakama wemihla ngemihla. Ngenxa yokuba indlu yesiphelo - nokuba ilinganiswe ngomlinganiselo othile wokhuseleko lokungena - ivumela ukuba umphunga omncinci womswakama ungene ngokuhamba kwexesha ngenxa yokusasazwa kunye nemiphumo yokuphefumla ebangelwa kukujikeleza kobushushu, ukufuma okuqokelelweyo ngaphakathi kwesiphelo kudala iimeko zokubola kwe-galvanic kwiindawo zoqhagamshelwano lombane.

Ngenxa yokuba ngoku ndixhase iinkcukacha zebloko yesiphelo kwiiprojekthi zokufakelwa kombane zemozulu yetropiki ezingaphezu kwama-60 kulo lonke elaseMzantsi-mpuma Asia, eMbindi Mpuma, naseLatin America, indlela yokusilela kwebloko yesiphelo se ...

I-Electrochemistry yoMhlwa weTerminal Block Corrosion obangelwa bubumanzi

Ukubola kwe-galvanic okubangela ukungaphumeleli kwe-terminal block kwiindawo ezishushu kuqhutywa kukunxibelelana kwe-electrochemical phakathi kweentsimbi ezahlukeneyo xa kukho i-electrolyte - kule meko, ifilimu encinci yamanzi eqina kwiindawo zangaphakathi ze-terminal block housing. Ngenxa yokuba indawo yokunxibelelana kwe-terminal block ine-copper okanye i-copper wire conductor kunye ne-steel spring okanye i-screw mechanism, ezi zinyithi zimbini ezahlukeneyo xa kukho ukufuma zenza i-galvanic corrosion cell ebangela ukuba isinyithi esisabelayo ngakumbi (ngesiqhelo isinyithi esine-zinc-plated) sibole ngokukhethekileyo kwindawo yokunxibelelana.

Imveliso yokugqwala eyenziwa kwindawo yokunxibelelana ngentambo idla ngokuba yi-zinc oxide okanye i-zinc hydroxide kwiindawo zokunxibelelana ngentsimbi ezifakwe i-zinc, kunye ne-copper oxide okanye i-copper chloride kwiindawo zokunxibelelana ngentambo yobhedu. Ngenxa yokuba ezi mveliso zokugqwala azikhombisi zombane kakuhle kwaye azikwazi ukukhupha umbane, ukuqokelelana kwazo kwindawo yokunxibelelana kwandisa ngokuthe ngcembe ukumelana nokuqhagamshelana. Ngenxa yokuba ukumelana nokuqhagamshelana okwandisiweyo kuvelisa ubushushu ngokwe-Power = Current² × Resistance relation, ukufudumeza kwindawo yokunxibelelana kukhawulezisa izinga lokugqwala ngelixa ngaxeshanye kunciphisa umqhubi wentambo kunye ne-terminal spring okanye i-screw mechanism.

Umlinganiselo obalulekileyo wokumelana noxinzelelo lobushushu — apho ubushushu obuveliswa kwindawo yokunxibelelana budlula amandla okuchithwa kobushushu kwibhloko yesiphelo — ngokuqhelekileyo buphakathi kwe-100-500 milliohms kumanqanaba angoku aqhelekileyo ekwakheni iisekethe zombane (10-32 amps). Ngenxa yokuba ndilinganise ukumelana noxinzelelo lobushushu obuyi-50-200 milliohms kwiibhloko zesiphelo ebezisebenza iinyanga ezili-12-18 kwiindawo ezikunxweme olushushu, ukwanda okuqhubekayo kokumelana noxinzelelo lobushushu obuvela kumhlwa kuthetha ukuba iibhloko zesiphelo kwezi ndawo zihlala zisondela kumlinganiselo wokufudumala — kwaye nayiphi na into eyongezelelweyo eyonyusa kancinci umthamo womthwalo okanye enciphisa kancinci ukuchithwa kobushushu (njengokunyuka kobushushu obungqongileyo ngexesha lemozulu eshushu) inokubangela isiganeko sokungaphumeleli kobushushu.

Inkcazelo yoVavanyo loKhuseleko lokuNgena (IP) kwiiBloko zeTropical Terminal

Inkqubo yokulinganisa i-Ingress Protection (IP), echazwe kwi-IEC 60529, ichaza ubungakanani bokhuseleko olunikezelwa ziindawo zombane ezivalekileyo ngokuchasene nokungena kwezinto eziqinileyo kunye nokufuma. Ngenxa yokuba umlinganiselo we-IP umisela ukumelana kwebhloko yesiphelo sombane ekungeneni komswakama phantsi kweemeko ezithile zovavanyo, ukukhethwa komlinganiselo we-IP ofanelekileyo kwiindawo ezishushu kufuna ukuhambelana komlinganiselo neemeko ezithile zokufakela endaweni yokusebenzisa umlinganiselo oqhelekileyo we-tropical.

Kwiindawo zokufakelwa kombane zangaphandle ezishushu apho iibhloko zesiphelo zichatshazelwa ngqo yimvula, ukufuma okuvuthuzwa ngumoya, kunye nokuntywiliselwa okwethutyana emanzini (njengakwimisele yemibhobho egcwala ngexesha lemvula enkulu), ndichaza iibhloko zesiphelo ezinomlinganiselo ophantsi we-IP67. Ngenxa yokuba i-IP67 ichaza ukhuseleko ekungeneni kothuli (olungenathuli) kunye nokhuseleko kwimiphumo yokuntywiliselwa okwethutyana emanzini (ukuya kuthi ga kwimitha e-1 yamanzi imizuzu engama-30), olu vavanyo lugubungela iimeko zokuchatshazelwa komswakama kakhulu ezenzeka kwiindawo zokufakelwa zangaphandle ezishushu. Ngenxa yokuba iibhloko zesiphelo ezilinganiswe yi-IP67 zisebenzisa ii-silicone sealing gaskets kunye noyilo lwezindlu ezitywiniweyo ukufezekisa umlinganiselo, zibiza malunga ne-2-3x ngaphezulu kuneebhloko zesiphelo ze-IP20 eziqhelekileyo - kodwa ixabiso leprimiyamu lifanelekile ngokususwa kokusilela kokugqwala okubangelwa kukufuma.

Kwiindawo zokufakelwa kombane ezigqunywe kodwa zingavalwanga — njengeendawo zokuvala zangaphandle ezibonelela ngomthunzi kunye nokukhuselwa yimvula kodwa ezingavalwanga kumswakama okanye ukufuma okuqhutywa ngumoya — ndichaza ubuncinane be-IP65. Ngenxa yokuba i-IP65 ichaza ukhuseleko olungenathuli kunye nokukhuselwa kwi-spray yamanzi evela nakweyiphi na indlela, igubungela ukuvezwa komswakama kwimvula evuthuzwa ngumoya kunye nokufuma okwenzeka kwiindawo zokufakela ezigqunywe kodwa ezingavalwanga. Ngenxa yokuba ukulinganiswa kwe-IP65 kuyenzeka ngezakhiwo zokuvala ezingabizi kakhulu kune-IP67, iinkcukacha ze-IP65 zibiza kakhulu kwiindawo zokufakela apho ukuntywiliselwa okwethutyana kungekuko imeko yokuvezwa okuyinyani.

Uyilo lweTerminal Clamp yeNtwasahlobo vs iScrew Clamp kwiindawo eziTropiki

Uyilo lwebhloko yesiphelo se-spring clamp — olusebenzisa indlela yentwasahlobo ukugcina uxinzelelo loqhagamshelwano kwintambo efakiweyo — luye lwaba luyilo lwebhloko yesiphelo oluphambili kwiifektri zanamhlanje zombane ngenxa yesantya soqhagamshelo lwalo (akukho kulungiswa kwesikrufulu) kunye nokugcinwa kwayo kwentambo ngaphandle kokugcinwa. Nangona kunjalo, kwiifektri zangaphandle ezishushu apho ukungena komswakama kuyindlela ephambili yokusilela, uyilo lwe-spring clamp lunobuthathaka obuphambili: indlela yentwasahlobo idala umsantsa kwindawo yokungena kwentambo evumela umswakama ukuba ungene emzimbeni wesiphelo ngesenzo se-capillary ecaleni komqhubi wentambo.

Umjelo womswakama we-capillary kwiiterminal ze-clamp zasentwasahlobo wenzeka kuba i-insulation yentambo engena kwi-terminal block ayivalwanga ngoomatshini kwindawo ephuma kuyo. Ngenxa yokuba i-spring mechanism ifuna isithuba ukuvumela intambo ukuba ifakwe kwaye igcinwe, kwaye ngenxa yokuba amandla e-spring agcina intambo inxibelelana nomsantsa wokungena, ukufuma okufikelela kumphezulu wentambo yangaphandle kunokutsalwa kwi-terminal housing ngesenzo se-capillary ecaleni komgca ophakathi kwe-wire insulation kunye ne-spring mechanism. Ngenxa yokuba le ndlela yokungena komswakama iyinxalenye yoyilo lwe-spring clamp kwaye ayinakususwa ngokupheleleyo ngaphandle kokuphazamisa umsebenzi we-spring, andicebisi ii-spring clamp terminals zokufakelwa kwangaphandle kwe-tropical apho ukungena komswakama kuyingxaki ephambili yokusingqongileyo.

Uyilo lwesiphelo se-screw clamp — esisebenzisa isikrufu ukufaka uxinzelelo lwe-clamping ngqo kwi-wire conductor — ibonelela ngolungelelwaniso oluphezulu lokutywina ukufuma kwindawo yokungena kwentambo xa i-torque ifanelekile. Ngenxa yokuba i-screw clamp isebenzisa uxinzelelo ngqo kwi-wire conductor (emva kokususa i-insulation), kwaye ngenxa yokuba uqhagamshelo loxinzelelo phakathi kwentambo kunye nentloko ye-screw ludala i-joint engangenisi gesi xa i-torque ifanelekile, uqhagamshelo lwe-screw clamp aludali itshaneli ye-capillary kwindawo yokungena kwentambo. Ngenxa yokuba i-screw clamp terminal ikwavumela ukuqinisekiswa okubonakalayo kobunzulu bokufakwa kwentambo kunye nomgangatho woqhagamshelo, ibonelela ngoqinisekiso olongezelelweyo lomgangatho wofakelo oluxabisekileyo kwiindawo ezishushu apho ukufikelela kulondolozo kunzima khona.

Iinkcukacha zokutywina iintambo zokufakelwa kweebhloko zeTropical Outdoor Terminal Block

Inkcazo yokutywinwa kwentambo yindlela ebalulekileyo yokufaka egqiba ukuba ibhloko yesiphelo elinganiswe yi-IP ifikelela na kukhuseleko lwayo lokufuma olulinganisiweyo kwiindawo zangaphandle ezishushu. Ngenxa yokuba intambo engena kwibhloko yesiphelo ibonelela ngendlela yokungena komswakama ukuba i-cable seal ayigqibelelanga - ingakumbi ekutshintsheni ukusuka kwijakethi yekhebula yangaphandle (ehlala ingenamanzi kwaye ingangeni kumswakama) ukuya kwi-conductor ehluthwe ngaphakathi kwisiphelo - indawo yokungena yentambo kufuneka ivalwe kusetyenziswa iindlela zokususa indlela ye-capillary yomswakama kolu tshintsho.

Indlela yokutywina i-silicone sealing boot yeyona ndlela ithembekileyo yokutywina intambo yokufakelwa kweebhloko ze-terminal zangaphandle zaseTropiki. Ngenxa yokuba i-silicone boot inika isigqubuthelo esiguquguqukayo nesinamathelayo phezu kotshintsho phakathi kwejakethi yekhebula kunye nendlu yebhloko yesiphelo, igcwalisa naziphi na izikhewu kwindawo yokungena kwaye igcina ukusebenza kwayo kokutywina kuyo yonke imeko yobushushu kunye nokuvezwa kwe-UV eyenzeka kwiindawo zangaphandle zaseTropiki. Ngenxa yokuba i-silicone igcina ukuguquguquka kwayo kunye nokunamathela kwayo kuluhlu lobushushu oluqala kwi -60C ukuya kwi +200C, ayiqini okanye iqhekeke ngexesha lokujikeleza kobushushu okwenzeka kwiindawo zangaphandle zaseTropiki.

Indlela yokuncamathelisa ubushushu nge-integrated inner coating inika indlela eyahlukileyo yokutywina efanelekileyo ngokukodwa kwiibhloko zesiphelo ezineentambo ezijikelezayo. Ngenxa yokuba i-heat-shin tube iyancipha kakhulu ijikeleze intambo kwaye i-adhesive lining igeleza ukuzalisa naziphi na iindawo ezingenanto kwindawo yokudibanisa intambo, idala utshintsho oluvalwe ngumswakama oluqinileyo ngoomatshini kwaye lugquma ngombane. Ngenxa yokuba indlela yokuncitshiswa kobushushu ifuna umthombo wobushushu (isibhamu somoya oshushu okanye itotshi) ngexesha lokufakwa kwaye ayilula ukuyijonga njengendlela yokuqalwa kwe-silicone, ndikhetha indlela yokuqalwa kwe-silicone kwizicelo zangaphandle zasetropiki apho ukuqinisekiswa komgangatho wokufaka kunzima.

Imibuzo ebuzwa qho

Kutheni iibhloko zesiphelo ezisemgangathweni zingasebenzi kakuhle ngaphambi kwexesha kwiindawo zombane ezikwimozulu yetropiki?
Ufakelo oluselunxwemeni olushushu lufumana amazinga okusilela kwe-15-25% yeebhloko zesiphelo kwisithuba seenyanga ezili-18 (xa kuthelekiswa ne-

Yeyiphi inkcazo yovavanyo lwe-IP esebenza kwiibhloko zesiphelo sokufakelwa kombane wangaphandle kwiindawo ezishushu?
Ukufakelwa kwangaphandle kwetropiki kufuna ubuncinci be-IP67 (ukuntywiliselwa emanzini okwethutyana) kunye nobuncinci be-IP65 (ukutshizwa ngamanzi okungenathuli nakweyiphi na indlela) kokufakwa okugqunyiweyo kodwa okungavalwanga. Uvavanyo lwe-IP olungaphantsi kwe-IP65 luvumela ukungena komswakama okubangela ukungasebenzi kakuhle kokugqwala kwiinyanga ezili-12-24.

Uyilo lwe-spring clamp vs screw terminal luyichaphazela njani indlela yokumelana nokufuma kwiindawo ezishushu?
Iziphelo ze-clamp zasentwasahlobo zenza imijelo yokufuma kwe-capillary kwindawo yokungena kwentambo engenakucinywa ngokupheleleyo. Iziphelo ze-clamp ze-screw ezinee-compression connections ezivaliweyo zisusa le ndlela. Cacisa iziphelo ze-screw clamp zezicelo zangaphandle zase-tropical apho ukungena komswakama kuyindlela ephambili yokusilela.

Zeziphi iinkcukacha zokulungiswa kwentambo kunye nokutywinwa ezisetyenziswa kwiintambo ze-terminal block zangaphandle zaseTropiki?
Ukungena ngentambo evaliweyo kusetyenziswa izihlangu zokutywina zesilicone okanye ityhubhu yokuncamathelisa eshushu kwindawo yokungena ngentambo yesiphelo kususa indlela yomswakama. Utshintsho ukusuka kwijakethi yentambo evaliweyo ukuya kwi-conducter ekrazuliweyo ngaphakathi kwesiphelo yindawo ephambili yokungena komswakama ukuba ukuvalwa akugqibelelanga.

I-Ningbo J-Guang Electronics ixhasa njani iinkcukacha zebhloko yokufakelwa kwe-terminal yetropiki?
I-J-Guang inikezela ngeebhloko zesitishi sesitimela se-DIN ezilinganiswe nge-IP65-IP67 ezinokuhambelana kwebhutsi yokutywina ye-silicone kwiifektri zombane zangaphandle nangaphandle kolwandle. Ingcebiso ehambelana nesicelo iyafumaneka malunga nokukhethwa kweebhloko zesitishi, iindlela zokutywina ucingo, kunye neendlela zokufakela iinkqubo zombane zakwindawo eshushu.

Amakhonkco angaphakathi: I-J-Guang PCT-211 DIN Rail Push-in Wire Terminal Block | Ikhathalogu yeMveliso ye-Elektroniki ye-J-Guang

Amakhonkco angaphandle: I-IEC | I-ISO | HAYI | I-UL | I-IEA | I-EPRI

Malunga noMbhali

I-Ningbo J-Guang Electronics Co., Ltd. ngumvelisi ochwephesha wezixhobo zonxibelelwano lombane kuquka iibhloko zesitishi sikaloliwe se-DIN, iiterminal ze-PCB, kunye nezihlanganisi zombane zokufakelwa kombane kwimizi-mveliso nakwimizi-mveliso. Ngamava amaninzi okubonelela ngezixhobo zombane kwiindawo zokufakelwa kwemozulu yetropiki kulo lonke elaseMzantsi-mpuma Asia, eMbindi Mpuma, naseLatin America, i-J-Guang Electronics ixhasa abakhi bombane kunye nabathengi bemizi-mveliso ngokukhetha iibhloko zesitishi ezisetyenziswa ngokukodwa kwiindawo zombane ezifumileyo nezingaphandle.