Kukundikana kweTerminal Block ine Hunyoro Hwakanyanya: Maitiro Ekudzivirira Kuisa Mamiriro Ekunze Emuchadenga

TL;DR — Kana Une Masekondi 60 Chete

• Kuiswa kwemagetsi mumahombekombe egungwa emunzvimbo dzinopisa kunoitika ne15-25% yekutadza kushanda kwe terminal block mukati memwedzi gumi nemisere zvichienzaniswa neiri pasi pe2% mumamiriro ekunze ane mwero wekupisa — nekuti hunyoro hunowanikwa pa80%+ hunyoro hunowedzera ngura ye galvanic panzvimbo dzinosangana newaya kubva pachitubu, zvichiwedzera kuramba kushanda kusvika kupisa kwaita kuti circuit ikanganiswe. Ma terminal blocks ane test yakavharwa ye IP67 ane silicone sealing boots anofanirwa kushandiswa pakuisa terminal outdoor mu tropical.
• Magadzirirwo ezvigadziko zvekusimbisa chitubu zvinogadzira nzira dzehunyoro hwema capillary panzvimbo yekupinda waya — Ini ndinotsanangura zvigadziko zvekusimbisa chikuruu zvine zvisungo zvekusimbisa zvakavharirwa zvekushandisa kunze kwenzvimbo dzinopisa uko kupinda kwehunyoro ndiyo nzira huru yekukundikana.
• Kupinda kwetambo kwakavharwa uchishandisa bhutsu dzesilicone sealing kana kuti chubhu inonamira inopisa panzvimbo yekupinda waya inovhara terminal block kunobvisa nzira yekutanga yekupinda kwehunyoro inokonzera ngura kubva kune waya kuenda kune terminal.

Zvandakadzidza Nezvekukundikana Kwemagetsi Munzvimbo Dzinopisa Mushure memakore Makumi Maviri Ekupa Matanda Emagetsi

Pandakatanga kupa zvikamu zvekubatanidza magetsi kune vanogadzira magetsi muSoutheast Asia muna 2006, kunyunyuta kwandaigara ndichinzwa kwaive pamusoro pekukundikana kwezvivharo zvemagetsi mukuisa magetsi mumahombekombe egungwa. Vanogadzira magetsi vaizopedzisa kuisa patsva, sisitimu yacho yaizoshanda nemazvo kwemwedzi mishoma yekutanga, uye ipapo maseketi ega ega aizotanga kukundikana - pakutanga nguva nenguva, uye zvishoma nezvishoma kusvika dunhu rakundikana zvachose. Nekuti kukundikana kwaipararira mumatunhu akawanda mukuisa kamwe chete pane kuungana panzvimbo imwe chete, maitiro acho airatidza dambudziko rezvakatipoteredza kwete dambudziko rekushanda kwekuisa. Pandakaongorora mabhuroko emagetsi akakundikana akadzoka kubva kukuisa magetsi mumahombekombe egungwa, mashandiro ekukundikana ainyatsojeka: galvanic corrosion pa wire-to-contact interface, inokonzerwa nekupinda kwemvura mu terminal block housing.

Nekuti nzvimbo dzemumahombekombe egungwa dzine hunyoro hunogara huchipfuura 80%, uye nekuti tembiricha yezuva nezuva munzvimbo dzemumahombekombe egungwa inokonzera kuti mvura iungane panzvimbo dzinotonhorera mangwanani-ngwanani zuva risati rapisa mhepo, nzvimbo dzemagetsi nezviri mukati madzo - kusanganisira nzvimbo dzemagetsi - dzinosangana nemhepo zuva nezuva. Nekuti nzvimbo yenzvimbo dzemagetsi - kunyangwe kana yakayerwa kuti idzivirire kupinda - inobvumira hunyoro hushoma kuti hupinde nekufamba kwenguva kuburikidza nekupararira uye kufema kunokonzerwa nekushanduka kwekupisa, hunyoro hwakaunganidzwa mukati menzvimbo dzemagetsi hunogadzira mamiriro ekuora kwemagetsi panzvimbo dzemagetsi.

Nekuti ikozvino ndatsigira zvirevo zve terminal block kune anopfuura makumi matanhatu mapurojekiti ekuisa magetsi emunzvimbo dzinopisa muSoutheast Asia, Middle East, neLatin America, nzira yekukundikana kwe terminal block inokonzerwa nehunyoro ndiyo inonyanya kukonzera dambudziko randinosangana naro - uye ndiyo nzira inonyanya kutsanangurwa. Nekuti zvirevo zvakarurama (IP67 sealed terminal blocks ine wire sealing chaiyo) uye tsika chaiyo yekuisa (sealed cable entry, proper enclosure drainage) pamwe chete zvinobvisa hunyoro hwekupinda, dambudziko re tropical specification rinogadziriswa - asi chete kana zvirevo nemaitiro ekuisa zvikagadzirisa chikonzero chikuru pane kungorapa chiratidzo nekutsiva terminal blocks dzakakundikana ne units dzakafanana dzisina kuvharwa.

Magadzirirwo Emagetsi Engura Inokonzerwa Nehunyoro

Kuora kwe galvanic kunokonzera kutadza kushanda kwe terminal block munzvimbo dzinopisa kunokonzerwa nekubatana kwe electrochemical pakati pesimbi dzakasiyana kana paine electrolyte - muchiitiko ichi, firimu diki remvura rinoungana pamusoro pemukati me terminal block housing. Nekuti nzvimbo yekubata terminal block ine brass kana copper wire conductor uye steel spring kana screw mechanism, simbi mbiri dzakasiyana kana dziripo hunyoro dzinogadzira galvanic corrosion cell iyo inokonzera simbi inonyanya kushanda (inowanzo putirwa ne zinc-plated steel) kuti iparare zvakanyanya panzvimbo yekubata.

Chigadzirwa chengura chinoumbwa panzvimbo yekubatanidza waya nekubatana chinowanzova zinc oxide kana zinc hydroxide yekubatanidza simbi yakaputirwa ne zinc, uye copper oxide kana copper chloride yekubatanidza waya yemhangura. Nekuti zvigadzirwa izvi zvengura hazvina kunaka uye hazvifambisi magetsi, kuunganidzwa kwazvo panzvimbo yekubatanidza kunowedzera kuramba kwekubatana. Nekuti kuramba kwakawedzerwa kwekubatana kunogadzira kupisa zvichienderana nehukama hwePower = Current² × Resistance, kupisa panzvimbo yekubatana kunokurumidza kukurumidza kumhanya kwengura ukuwo kuchikanganisa conductor wetambo ne terminal spring kana screw mechanism.

Muganho wekudzivirira kubata-bata wekupisa — uko kupisa kunobva panzvimbo yekubata-bata kunopfuura kugona kwekupisa kwechikamu chemagetsi — kazhinji kuri pakati pe100-500 milliohms pamatanho aripo akajairika mukuvaka macircuit emagetsi (10-32 amps). Nekuti ndakayera kudziviswa kwekubata-bata kwe50-200 milliohms mumabhuloki emagetsi anga achishandiswa kwemwedzi 12-18 munzvimbo dzinopisa dzegungwa, kuwedzera kuri kuita kudziviswa kwekubata-bata kunoreva kuti mabhuloki emagetsi munzvimbo idzi anogara achisvika pamuganho wekupisa — uye chero chimwe chinhu chinowedzera zvishoma load current kana kuderedza zvishoma kupisa (sekunge kuwedzera kwekupisa kwemhepo panguva yekupisa) kunogona kukonzera chiitiko chekukundikana kwekupisa.

Kuongororwa kweIngress Protection (IP) Rating yeTropical Terminal Blocks

Sisitimu yekuyera Ingress Protection (IP), inotsanangurwa muIEC 60529, inotsanangura mwero wedziviriro inopiwa nemagetsi ekudzivirira kupinda kwezvinhu zvakasimba nehunyoro. Nekuti chiyero cheIP chinosarudza kuramba kwechikamu chekupedzisira kupinda kwehunyoro pasi pemamiriro chaiwo ekuyedza, kusarudzwa kwechiyero chakakodzera cheIP chenzvimbo dzinopisa kunoda kufananidza chiyero nemamiriro chaiwo ekuisa pane kushandisa chimiro che generic tropical.

Kune ma "terminal blocks" ekunze kwenzvimbo dzinopisa uko ma "terminal blocks" anonamirwa zvakananga nemvura, hunyoro hunopfurwa nemhepo, uye kunyudzwa mumvura kwechinguvana (semuma "conduit trench" anozadza mvura panguva yemvura yakawanda), ndinotsanangura ma "terminal blocks" ane chiyero cheIP67. Nekuti IP67 inotsanangura dziviriro kubva pakunyura kweguruva (kusingapindi guruva) uye dziviriro kubva pakunyudzwa mumvura kwechinguvana (kusvika mita imwe yemvura kwemaminitsi makumi matatu), chiyero ichi chinofukidza mamiriro ekunyanya kusvibiswa nehunyoro anoitika munzvimbo dzinopisa dzekunze. Nekuti ma "terminal blocks" ane chiyero cheIP67 anoshandisa ma "silicone sealing gaskets" uye magadzirirwo edzimba dzakavharirwa kuti awane chiyero ichi, anodhura kanenge kaviri kana katatu kupfuura ma "standard IP20 terminal blocks" - asi mutengo wepamusoro unoruramiswa nekubvisa kutadza kwekuora kunokonzerwa nehunyoro.

Kune nzvimbo dzemagetsi dzemunzvimbo dzinopisa dzakafukidzwa asi dzisina kuvharwa — dzakadai senzvimbo dzekunze dzinopa mumvuri nedziviriro yemvura asi dzisina kuvharwa kubva kuhunyoro hunofambiswa nemhepo kana kunyorova — ndinotsanangura chiyero chidiki cheIP65. Nekuti IP65 inotaura dziviriro isingapindi guruva uye dziviriro kubva pakupfapfaidzwa kwemvura kubva chero divi, inovhara hunyoro kubva mumvura inopfurwa nemhepo uye kunyorova kunoitika munzvimbo dzakavharwa asi dzisina kuvharwa. Nekuti chiyero cheIP65 chinogoneka nekugadzira zvisimbiso zvakachipa pane IP67, chiyero cheIP65 chinodhura zvakanyanya kune nzvimbo uko kunyudzwa kwechinguvana kusiri mamiriro chaiwo ekuratidzwa.

Chinovhara Chitubu vs Chinovhara Chinovhara Chinovhara Nzvimbo Dzinopisa

Dhizaini yechikamu chekupedzisira chekusimbisa chitubu — chinoshandisa nzira yechitubu kuchengetedza kumanikidzwa kwewaya yakaiswa — chave chiri dhizaini yechikamu chekupedzisira mumagetsi emazuva ano nekuda kwekumhanya kwayo kwekubatanidza (hapana kugadziriswa kwesikurudhiraivha kunodiwa) uye kuchengetedza waya kwayo isina kugadziriswa. Zvisinei, kune nzvimbo dzekunze dzinopisa uko kupinda kwemvura ndiyo nzira huru yekukundikana, dhizaini yechikamu chekusimbisa chitubu ine kusasimba kukuru: nzira yechitubu inogadzira mukana panzvimbo yekupinda waya inobvumira hunyoro kupinda mumuviri wechikamu kuburikidza nekushanda kwecapillary pamwe newaya conductor.

Nzira yekunyorovesa ye capillary iri muma terminals e spring clamp inoitika nekuti waya inoputira inopinda mu terminal block haina kuvharwa nemakanika panzvimbo painobuda mu housing. Nekuti spring mechanism inoda mukaha kuti waya iiswe uye ichengetwe, uye nekuti simba re spring rinochengetedza waya ichibata ne entry gap, hunyoro hunosvika pamusoro pe wire inogona kukweverwa mu terminal housing ne capillary action iri pakati pe wire insulation ne spring mechanism. Nekuti nzira iyi ye ingress ye hunyoro ndeyekugadzirwa kwe spring clamp uye haigone kubviswa zvizere pasina kukanganisa mashandiro e spring, handikurudzire ma spring clamp terminals ekuisa kunze kwe tropical uko ingress ye hunyoro ndiyo dambudziko guru rezvakatipoteredza.

Dhizaini ye terminal ye screw clamp — inoshandisa screw kuisa clamping pressure zvakananga kune wire conductor — inopa hunyanzi hwepamusoro panzvimbo yekupinda waya kana yabatidzwa zvakanaka. Nekuti screw clamp inoshandisa pressure zvakananga kune wire conductor (mushure mekubvisa insulation), uye nekuti kubatana kwekumanikidzana pakati pe waya ne screw head kunoita kuti pave ne gas-tight joint kana yabatidzwa zvakanaka, connection ye screw clamp haigadzire capillary channel panzvimbo yekupinda waya. Nekuti terminal ye screw clamp inobvumirawo kuona kudzika kwe wire insertion uye hunhu hwe connection, inopa imwe vimbiso yemhando yekuisa iyo inokosha munzvimbo dzinopisa uko kuwana kugadzirisa kwakaoma.

Tsananguro yeCable Sealing yeTropical Outdoor Terminal Block Installations

Kuiswa kwetambo muchina wekuvhara tambo ndiyo nzira yakakosha yekuisa iyo inosarudza kana terminal block ine IP-rated ichikwanisa kudzivirira hunyoro hwayo munzvimbo dzinopisa dzekunze. Nekuti tambo inopinda muterminal block inopa nzira yekupinda hunyoro kana tambo isina kukwana - kunyanya pakuchinja kubva pajaketi rekunze retambo (rinowanzova rakachena uye risingapindi hunyoro) kuenda kune dhayakita rakabviswa mukati meterminal - nzvimbo yekupinda yetambo inofanira kuvharwa uchishandisa nzira dzinobvisa nzira yehunyoro pakuchinja uku.

Nzira yekuvhara tambo yesilicone ndiyo nzira yakavimbika yekuvhara tambo pakuisa mabhatani ekunze emunzvimbo dzinopisa. Nekuti bhutsu yesilicone inopa chifukidziro chinochinjika, chakavharwa chinonamira pamusoro pekuchinjana pakati pebhatani retambo nenzvimbo inovhara mabhatani ekupedzisira, inozadza chero nzvimbo dziripo uye inochengetedza mashandiro ayo ekuvhara tambo mumamiriro ekunze ekunze uye ekupisa kweUV. Nekuti silicone inochengetedza kushanduka kwayo uye inonamatira pamusoro pekupisa kwe -60C kusvika +200C, haiome kana kutsemuka panguva yekupisa kwekunze kunoitika munzvimbo dzinopisa dzekunze.

Nzira yekuisa machubhu ekudziya nekupisa ine nzira yekubatanidza inonamira inopa imwe nzira yekuisa machubhu akakodzera zvakanyanya mabhuroko ekupedzisira ane tambo dzakatenderera. Nekuti chubhu yekudziya nekupisa inodzikira zvakasimba yakatenderedza tambo uye jira rinonamira rinoyerera kuti rizadze chero nzvimbo dzisina chinhu panhare yekuisa tambo, inogadzira shanduko yakavharirwa nehunyoro yakasimba uye inochengetedza magetsi. Nekuti nzira yekuisa machubhu inoda nzvimbo yekupisa (pfuti yemhepo inopisa kana tochi) panguva yekuisa uye haisi nyore kuongorora senzira yekuisa silicone, ndinosarudza nzira yekuisa silicone pakushandiswa kwekunze kwenzvimbo dzinopisa uko kwakaoma kusimbisa hunhu hwekuisa.

Mibvunzo Inowanzo bvunzwa

Sei mabhuroko emagetsi akajairwa achikundikana kushanda nguva isati yakwana munzvimbo dzinopisa?
Kuiswa kwenzvimbo dzinopisa dzemugungwa kunosangana nekukundikana kwe15-25% kwezvivharo zvemagetsi mukati memwedzi gumi nemisere (zvichienzaniswa ne

Ndezvipi zvinodiwa neIP rating zvinoshanda kuma terminal blocks ekuisa magetsi ekunze mutropical tropical?
Kuisa zvinhu zvekunze munzvimbo dzinopisa zvinoda IP67 (isina guruva, inonyudzwa mumvura kwenguva pfupi) uye IP65 (isina guruva, inopfapfaidzwa nemvura kubva chero kupi) kuti zviiswe zvakafukidzwa asi zvisina kuvharwa. Kuyera kweIP kuri pasi peIP65 kunobvumira kupinda kwehunyoro zvichikonzera ngura mukati memwedzi 12-24.

Dhizaini ye terminal ye spring clamp vs screw inokanganisa sei kuramba hunyoro munzvimbo dzinopisa?
Zviteshi zvekusimbisa chitubu zvinogadzira nzira dzehunyoro hwema capillary panzvimbo yekupinda waya isingakwanise kubviswa zvizere. Zviteshi zvekusimbisa chikuruu zvine hukama hwakavharwa zvinobvisa nzira iyi. Taura zviteshi zvekusimbisa chikuruu zvekushandisa kunze kwenzvimbo inopisa uko kupinda kwehunyoro ndiyo nzira huru yekukundikana.

Ndezvipi zvinodiwa pakugadzira waya uye kuivhara zvinoshanda pakubatanidza waya dzekunze kwenzvimbo dzinopisa?
Kupinda kwetambo yakavharwa uchishandisa bhutsu dzesilicone sealing kana kuti chubhu inonamira inopisa pa terminal block wire entry point kunobvisa nzira yemvura inoyerera. Kuchinja kubva pajaketi retambo yakavharwa kuenda pa stripped conductor mukati me terminal ndiyo nzvimbo huru yekupinda kwemvura kana sealing isina kukwana.

Ko Ningbo J-Guang Electronics inotsigira sei zvinodiwa zve tropical installation terminal block?
J-Guang inopa mabhuroko echiteshi chechitima cheDIN ane IP65-IP67 anoenderana nesilicone sealing boot yekuisa magetsi ekunze uye emumahombekombe. Kubvunzana nezvekushandisa kunowanikwa pakusarudza mabhuroko echiteshi, nzira dzekuvhara waya, uye maitiro ekuisa masisitimu emagetsi emunzvimbo dzinopisa.

Zvinongedzo zvemukati: J-Guang PCT-211 DIN Rail Push-in Wire Terminal Block | Katarogu yezvigadzirwa zvemagetsi zveJ-Guang

Zvinongedzo zvekunze: IEC | ISO | AIHWA | UL | IEA | EPRI

Nezve Munyori

Ningbo J-Guang Electronics Co., Ltd. inyanzvi mugadziri wezvinhu zvinobatanidza magetsi zvinosanganisira DIN rail terminal blocks, PCB terminals, uye electrical connectors ekuisa magetsi mumaindasitiri nemabhizinesi. Iine ruzivo rwakakura mukupa zvikamu zvemagetsi kuma tropical conditioner kuSoutheast Asia, Middle East, neLatin America, J-Guang Electronics inotsigira makontrakita emagetsi nevatengi vemaindasitiri nesarudzo yema terminal blocks anoshandiswa munzvimbo dzine hunyoro hwakawanda uye dzekunze.