1. Kakaretso ea Phethahatso: Litšenyehelo tse Patehileng tsa ho Hlōleha ha Sehokelo
Bakeng sa lihahi tsa liphanele tsa taolo ea indasteri, li-integrate tsa litsamaiso tsa othomathike, le marang-rang a baabi ba motlakase, torque e phomotsang ea terminal block screw Hase feela bothata ba tlhokomelo ea kamehla—ke sesosa sa ho hloleha ha tsamaiso ea taolo. Ketsahalo ena ke sesosa se seholo sa ho se sebetse hantle ha ts'ebetso ho sa reroang, likhoutu tsa phoso tsa phantom PLC, le ho feta ka tsela e kotsi ha lipotoloho tsa polokeho. Botšepehi ba khokahano ea motlakase bo itšetlehile ka ho feletseng ka matla a ho khomarela a tsitsitseng nakong eohle ea bophelo ba lisebelisoa.
Ho phomotsa torque ea screw ka har'a li-terminal block tsa li-horizon tse ntseng li phahama hangata ho etsahala ha matla a ho khomarela a theoha ka ho feta 20% ho tloha qalong ea moetsi. Tlhaloso ea 0.8–1.2 N·mHa ho senyeha hona ha mechine ho etsahala, ho baka ho thekesela ha conductor. Ka lebaka leo, khanyetso ea ho kopana e phahama ka sekhahla ho tloha ho 10 mΩ e kotsi. Khanyetso ena e hlahisa mocheso o fumanehang sebakeng seo (tahlehelo ea I²R) o phahamisang mocheso oa terminal ka potlako ho feta 105°C, o senyang haholo insulation e potolohileng.
Boloko bo le bong ba terminal bo futhumetseng haholo setsing sa taolo ya motlakase sa 480 V bo ka baka phoso e kgolo ya arc-fault, ba senya dikarolo tse bonolo tse haufi mme ba baka diketsahalo tsa arc-flash tsa NFPA 70E tse nang le matla a diketsahalo a fetang 8 cal/cm². Ho fokotsa dikotsi tsena, ho kenya tshebetsong moralo o thata wa tlhahlobo ya tshepahalo ya motlakase ke ntho ya bohlokwa haholo. Moralo ona o sebetsana ka hloko le diparamente tsa ho tlama, thepa, le taolo ya mocheso tse arolang ka ho hlaka diboloko tsa terminal tsa maemo a indasteri ho dihokelo tsa thepa ya maemo a bareki.
Jwalo ka kgwebo e etellang pele e nang le setifikeiti tlasa ISO 9001:2008, ea rona Leqephe la Lehae la Khamphani (ISO9001:2008, SGS, UL, 2010) Tlhahlobo e hlalosa boitlamo ba rona ho latela maemo ana a thata. Tlhahlobo e hlahloba litšiea tse tharo tsa mantlha tse etsang qeto ea hore na moetsi o tšoaneleha ho ba mofani oa thepa ea maemo a indasteri:
- Ho Boloka Torque le ho Tsitsisa Matla a ho Kgutla Sekere sa Terminal Block: Motheo oa boenjiniere ba mechini oa likhokahano tse sa hanyetseng haholo.
- Ho thatafala ha thepa ea Rising-Cage le ho hanyetsa ho kokota ha mokhanni: Paramethara ea tšepe e thibelang ho bola ha matla a ho khomarela ha nako e ntse e ea.
- Tekanyo ea ho Tšoarella ha Thermal Cycling le Index ea Mocheso oa Insulation: Paramethara ea mocheso e thibelang phoso ea arc tlas'a mojaro o boima oa motlakase.
2. Boenjiniere ba Tekanyo e Tebileng le Lisebelisoa tsa Theknoloji
2.1 Ho Boloka Torque le Botsitso ba Matla a Tlamahano
Li-terminal block tsa li-horizon tse ntseng li phahama, tse kang tse hlahang ho rona e felletseng Mohala oa Lihlahisoa tsa Terminal Blocks (Sekerefu / Sekoahelo / Sekepe se ka kenngoang ka har'a plug / Seporo sa DIN), sebelisa keiti e tsamaisoang ka sekurufu e entsoeng ka boenjiniere bo boholo (hangata e le koporo, C36000, H58) e tlamang mokhanni ka nepo khahlanong le bareng ea motlakase e koahetsoeng ka thini. Ho phomotsa torque ke ts'ebetso e poteletseng e etsahalang tlas'a maemo a mararo a mantlha:
- Khohlano e Bakiloeng ke Oxidation: Koefficient ea khohlano ea khoele ea screw e eketseha ka lebaka la micro-oxidation ha nako e ntse e ea (μ > 0.25 khahlano le 0.15 ea pele), ho bolelang hore torque e sebelisitsoeng ha e sa fetolela matla a ho khomarela.
- Ho Tsamaea ha Mokhanni ea Tšehetsang: Di-conductor di senyeha ka mmele tlasa kgatello e tsitsitseng ya ho thiba. Mohlala, di-conductor tsa aluminium di ka khukhuna ka 0.1 mm/selemo kgatellong ya 20 N/mm².
- Dipharologanyo tsa Katoloso ya Thermal: Ho potoloha ha mocheso kamehla (ho fetoha ha letsatsi le letsatsi ho tloha ho 20°C ho isa ho 60°C ka har'a diphanele tsa indasteri tse koetsoeng) ho baka katoloso e fapaneng pakeng tsa koporo (α = 19×10⁻⁶ /°C) le koporo (α = 17×10⁻⁶ /°C), e kgutlisa sekurufu morao butle.
Ho loantša sena, li-terminal block tsa rona tsa premium li sebelisa dikurufu tsa tshepe tse manehilweng ka nikeli (M3, HRS, torque 0.8–1.2 N·m) di tsamaisana le di-washer tse ikgethang tse nang le di-serrated (DIN 6798, botenya ba 0.5 mm). Di-washer tsena di loma ka ho toba bokahodimo ba conductor, di sebetsa jwalo ka sediba se matla se bolokang matla a ho thiba ≥ 80% ya boleng ba sona ba pele esita le kamora dipotoloho tse 1,000 tsa mocheso o feteletseng (−40°C ho isa ho +105°C). Ka lebaka leo, khanyetso ya ho kopana e tshwerwe ka thata ho
- Kopa teko ea ho boloka torque (lipotoloho tsa mocheso tse 1,000, −40°C ho isa ho +105°C, matla a ho khomarela ≥ 80% ea pele).
- Netefatsa khanyetso ea ho kopana (
- Netefatsa thepa ea screw le plating (HRS, e koahetsoeng ka nickel ≥ 3 μm, e netefalitsoeng ka XRF).
- Netefatsa tlhaloso ea washer e nang le serrated (DIN 6798, 0.5 mm, tšepe ea selemo ea 65Mn, HRC 40–45).
2.2 Ho Tiea ha Thepa ea Rising-Cage le Khanyetso ea ho Kena
Sebopeho sa tšepe sa lesaka le nyolohang ke mohale ea sa bonahaleng oa nako e telele ea motlakase. Lesaka (ka tloaelo C36000 koporo, bothata ba HV 80–100 bo lahletsoeng) le tlameha ho hanela phetoho e matla ea 'mele tlas'a khatello ea ho khomarela e fetang 100 MPa. Ha bahlahisi ba fokotsa litšenyehelo ka ho sebelisa lisaka tse bonolo (HV
Jwalo ka mokga o etellang pele hara Bahlahisi ba Li-terminal Blocks tsa China, Bafepedi | J-GUANG, mokhoa oa rona oa boenjiniere o laela tšebeliso ea koporo e entsoeng ka maiketsetso (C37700, HV 110–130)Ka ho thatafatsa mosebetsi ho tsoa ho forging e batang (ho fihlella phokotso ea sebopeho ea 15%), likarolo tsa rona li fihlella ho bolokoa ha matla a ho khomarela a ≥ 90% kamora lipotoloho tse matla tsa torque tse 500. Ho feta moo, bare ea hajoale e sebelisa koporo e koahetsoeng ka tin (C11000, 2 μm Sn) e fihlelang litekanyetso tse tiileng tsa ho khona ho soldera ka IPC/J-STD-002, e tlatsitsoe ke sekoahelo sa silivera-flash (0.1 μm Ag) ho fana ka khanyetso e felletseng ea sulfide libakeng tse thata.
Protokhole ea Tlhahlobo ea Thepa ea Cage
- Kopa tlhahisoleseding ea ho thatafala ha cage (HV 110–130, sekala sa Vickers, sampole ea sehlopha sa 5%.
- Netefatsa ho bolokoa ha matla a ho khomarela (methapo ea torque e 500, ≥ 90% ea matla a pele, u sebelisa lisebelisoa tsa liteko tse iketsang).
- Netefatsa botenya ba plating ea current-bar (Sn ≥ 2 μm, Ag 0.1 μm, tlhahlobo ea XRF, sampole ea 5%).
- Netefatsa bokgoni ba ho solder (IPC/J-STD-002, Sehlopha sa 3, ho netefatsa hore ha ho na ho tloswa ha metsi).
Khokahano ea PCB le Khokahano
Ho netefatsa hore ho thatafala ha thepa ho fetela ka nqane ho diboloko tsa bofelo. Bakeng sa kopanyo e pharaletseng ya boemo ba boto, rona Mohala oa Lihlahisoa tsa Lihokelo (Pin Header / Female Header / IDC / PCB) e latela maemo a ts'ebetso a ts'ebetso ea tšepe a tsamaellanang, e leng se netefatsang hore data ea bongata bo phahameng le phetisetso ea matla li lula li tsitsitse tlas'a khatello e ts'oanang ea mechini le ea mocheso.
2.3 Ho Tšoarella ha Thermal Cycling le Index ea Thempereichara ea Insulation
Tshebetso ya motlakase e tshepahala feela jwalo ka ha ho kenngwa ha motlakase ho e potileng. Ho kenngwa ha motlakase ka diboloko tsa terminal ho lokela ho mamella potoloho e sa kgaotseng ya mocheso ntle le ho inehela ho petsoheng ha motlakase kapa ho latelwa ha motlakase. Maemo a indasteri a hloka thepa e kang PA66 e fihlelang maemo a thata. UL 94 V-0 e thibelang lelakabe tlhaloso le ho fetisa Terata e Khanyang ea IEC 60695-2-12 teko ho 850°C.
Tekanyetso ea Thermal (TI) ka UL 746B e hloka ka tieo hore thepa e phele lihora tse 50,000 mochesong oa eona o lekantsoeng (105°C bakeng sa PA66 e tloaelehileng) ha e ntse e boloka bonyane 50% ea matla a eona a pele a ho thaepa. Ho feta metheo ena, matlo a rona a ikhethileng a kenngoa ka PA66-GF25 (25% ea matlafatso ea khalase ea faeba). Sena se phahamisa Mocheso oa ho Fokotsa Mocheso (HDT) ho ea ho 240°C e tsotehang ho 1.8 MPa. E kopantsoe le li-retant tsa malakabe tsa phosphorus tse amohelang tikoloho, ntlo e teteaneng ea 0.8 mm e fihlella TI 105°C le khanyetso e phahameng ka ho fetisisa ea ho latela ea CTI 600 (PLC 0). Khanyetso ea Arc e netefalitsoe ka boikemelo hore ke metsotsoana e ≥ 120 ho latela Khanyetso ea Arc ea ASTM D495 maemo.
Protokhole ea Tlhahlobo ea Thermal le ho Latela Melao ea Lefatše
- Kopa teko ea index ea mocheso (UL 746B, 105°C, lihora tse 50,000, ho boloka matla a khoheli ≥ 50%).
- Netefatsa liphetho tsa liteko tsa terata e khanyang (IEC 60695-2-12, 850°C, metsotsoana e 30, ha ho na lelakabe le tiileng).
- Netefatsa Papiso ea Tekolo ea ho Bapisa (CTI ≥ 600 V, PLC 0, IEC 60112 ho pholletsa le disampole tse 5).
- Netefatsa bokgoni ba ho hanyetsa arc (≥ 120 s, ASTM D495, disampole tse 3).
3. Moralo oa ho Fumana le ho Laola Boleng
Lihlopha tsa theko li tlameha ho tloha ho rekeng thepa ho ea ho mehloli e thehiloeng ho botšepehi. Netefatsa liparamente tse latelang tsa bohlokoa pele u phethela konteraka efe kapa efe ea theko ho netefatsa hore ketane ea hau ea phepelo e sirelelitsoe khahlanong le ho hloleha ha tšimo pele ho nako:
(a) Ho Boloka Torque ea Sekere
E tlameha ho mamella lipotoloho tsa mocheso tse 1,000 ka matla a ho khomarela a setseng ≥ 80%, 'me khanyetso ea ho kopana e be
(b) Boima ba Thepa ea Lebokose
E hloka tekanyo ea HV 110–130. E tlameha ho mamella lipotoloho tsa torque tse 500 ha e ntse e boloka matla a ho khomarela ≥ 90%.
(c) Ho Tšoarella ha Thempereichara
UL 746B TI 105°C e tlamang, teko ea terata e khanyang ho 850°C, tekanyo ea CTI 600, le khanyetso ea arc ≥ 120 s.
(d) Ho Latela Melao le ho Beha Plating
E tlameha ho ba le disetifikeiti tsa UL 94 V-0, RoHS, REACH, CE, CQC, le UL scope. Current-Bar Plating e tlameha ho ba Sn ≥ 2 μm, Ag 0.1 μm ka ho kgona ho solderwa Sehlopha sa 3.