PCB e Boima ea Koporo bakeng sa Phepelo ea Motlakase le Mocheso

Selelekela

Theknoloji ea PCB ea koporo e boima , e hlalosoang ke botenya ba koporo ba 3 oz (105 μm) kapa ho feta, e se e le ea bohlokoa bakeng sa lisebelisoa tsa motlakase tsa indasteri tsa sejoale-joale. Liboto tsena tsa potoloho tse ikhethileng li sebetsana le liphephetso tsa mantlha tsa lits'ebetso tsa motlakase o phahameng moo li-PCB tse tloaelehileng li hlōlehang ho fana ka ts'ebetso e lekaneng.

Lisebelisoa tsa motlakase tsa indasteri le lits'ebetso tsa inverter, PCB e boima ea koporo bakeng sa lits'ebetso tsa phepelo ea motlakase e nolofalletsa ts'ebetso e tšepahalang tlasa khatello e matla ea motlakase le mocheso ha o ntse o boloka botsitso ba sebopeho. Sengoliloeng sena se hlahloba maemo a bohlokoa a meralo le menahano ea tlhahiso bakeng sa maemo a boima a indasteri.

Litlhoko tsa Matla a Indasteri le Inverter Systems

Litlhoko tse phahameng tsa hona joale le tsa matla a matla

Lisebelisoa tsa motlakase tsa indasteri, li-drive tsa enjene, le lisebelisoa tsa ho tjheseletsa li sebetsa maemong a hona joale a hlahisang tahlehelo e kholo ea I²R le khatello ea mocheso. Meralo ea li-PCB tsa elektroniki tsa motlakase e tlameha ho amohela bongata ba hona joale bo ka etsang hore liboto tse tloaelehileng li chese haholo kapa li hlolehe. Moralo oa PCB oa Inverter bakeng sa li-drive tsa maqhubu a feto-fetohang o sebetsana le li-ampere tse makholo khafetsa ka meralo e kopaneng, e leng se bakang liphephetso tsa taolo ea mocheso tse hlokang litharollo tse khethehileng tsa PCB tsa koporo e boima.

Kgatello ya Tikoloho le Tshebetso

Tikoloho ea liindasteri e fana ka liboto tsa potoloho bakeng sa libaesekele tse futhumatsang nako e telele, ho sisinyeha ha mochini, le ho pepesehela lik'hemik'hale. Li-module tsa motlakase litsing tsa tlhahiso li sebetsa ka mokhoa o tsoelang pele mochesong o phahameng ha li ntse li boloka karohano ea motlakase lipakeng tsa likarolo tse phahameng tsa motlakase. Meaho ea setso ea PCB ha e na tšebetso ea mocheso le matla a mochini a hlokahalang bakeng sa ts'epahalo ea tikoloho ea indasteri, e lebisang ho hloleheng pele ho nako lits'ebetsong tsa phepelo ea motlakase tse bohlokoa haholo.

Ke Hobane'ng ha PCB e Boima ea Koporo bakeng sa Likopo tsa Phepelo ea Matla

Bokhoni bo Phahameng ba Hona Joale ba ho Jara

Mehaho e boima ea koporo ea PCB e lumella litsela tse pharaletseng tsa conductor ntle le ho eketsa boholo ba boto, ho fokotsa ka ho toba tahlehelo e hanyetsanang le ho theoha ha motlakase. Boima ba koporo bo ntseng bo eketseha bo abela hona joale ka mokhoa o ts'oanang ho feta sebaka se phahameng sa PCB sa hajoale, ho thibela ho futhumatsa sebakeng se nyenyefatsang manonyeletso a solder le ho ts'epahala ha likarolo:

Leqephe lena le lekanyelitsoe ho liboto tsa phepelo ea motlakase tse nang le motlakase o mongata tse hlokang koporo e boima. Bakeng sa sehlopha sa boto e akaretsang, qala ka kakaretso ea boto ea potoloho ea phepelo ea motlakase ; bakeng sa ho poleiti, ho fata, le meeli ea tlhahiso, sebelisa tlhahiso ea PCB ea koporo e boima e amanang.

• Litahlehelo tsa I²R tse fokolitsoeng - Koporo e teteaneng e fokotsa ho futhumatsa ho hanyetsang litseleng tsa mantlha tsa hajoale.
• Matla a tlase a theoha - Conductivity e ntlafetseng e boloka li-voltages tse tsitsitseng tse sebetsang tlas'a mojaro.
• Esita le kabo ea hona joale - Mesaletsa e pharaletseng e thibela libaka tse chesang le khatello ea maikutlo ea mocheso.

Tsamaiso e Phahameng ea Thermal

Ts'ebetso e ntlafalitsoeng ea mocheso oa likarolo tse teteaneng tsa koporo e theha litsela tse sebetsang hantle tsa ho hasa mocheso ho tloha ho li-semiconductors tsa matla ho ea lithakong tsa boto kapa holim'a libaka tse holimo. PCB e boima ea koporo bakeng sa li-module tsa phepelo ea motlakase e sebetsa joalo ka sekoaelo se kopaneng sa mocheso, se fokotsa mocheso oa mateano ho li-IGBT, MOSFET le diode tsa motlakase. Ntlafatso ena ea ts'ebetso ea mocheso e eketsa nako ea bophelo ba karolo mme e nolofalletsa meralo e phahameng ea matla a matla lits'ebetsong tsa inverter.

Matla a Matla a Mechini

Boima bo eketsehileng ba koporo bo matlafatsa meaho ea boto khahlano le ntoa nakong ea ho phalla hape le ho palama libaesekele tse futhumetseng. Likoti tse entsoeng ka likoti tse nang le libarele tse boima tsa koporo li bonts'a khanyetso e phahameng ea khatello ea maikutlo ea mocheso ha e bapisoa le mehaho e tloaelehileng. Ho ts'epahala ha PCB litsing tsa indasteri tse sisinyehang haholo ho ipapisitse le matlafatso ena ea mochini, haholo liboto tse kholo tse nkileng likarolo tse matla tsa matla.

Mehopolo ea Moralo bakeng sa Phepelo ea Matla a Koporo e Matla ea PCB

Khetho ea Botenya ba Koporo

Ho khetha boima bo nepahetseng ba koporo ho hloka tlhahlobo ea maemo a tsitsitseng hona joale le lithibelo tsa mocheso. Moralo oa PCB bakeng sa li-module tsa matla hangata o sebelisa koporo ea 3 oz bakeng sa lits'ebetso tsa matla a mahareng ho fihla ho 50A, athe li-inverters tse matla a phahameng li ka hlakisa 6-10 oz bakeng sa litsela tsa mantlha tsa hajoale. Botenya ba koporo bo ama ka ho toba ho rarahana ha tlhahiso le litšenyehelo, ho hloka optimization e leka-lekaneng khahlanong le litlhoko tsa motlakase meralong ea phepelo ea motlakase.

Tsamaisa Bophara le Boima ba Hona Joale

Litekanyetso tsa IPC-2152 li fana ka lipalo tsa ho phahama ha mocheso tse thehiloeng ho conductor geometry le boima ba koporo. Bakeng sa lisebelisoa tsa koporo tse boima tsa PCB, baqapi ba tlameha ho ikarabella bakeng sa meeli ea hona joale ea sekhahla ha ba ntse ba boloka sebaka se lekaneng. Thermal vias ka tlas'a likarolo tsa motlakase li theha litsela tsa mocheso tse otlolohileng ho ea lifofaneng tsa koporo tse ka hare, ho ntlafatsa haholo ho felisoa ha mocheso meahong ea phepelo ea matla a mangata.

Insulation le Tšireletseho Compliance

Lisebelisoa tsa motlakase tsa indasteri li tlameha ho fihlela litlhoko tse thata tsa ho itšehla thajana tse hlalosoang ke litekanyetso tsa UL le IEC:

• Sebaka sa Creepage - Sebaka se ntseng se eketseha se thibela ho lateloa ha holimo lipakeng tsa mesaletsa ea matla a phahameng.
• Litlhoko tsa tokiso - Likheo tsa moea li boloka matla a dielectric libakeng tse silafetseng.
• Khetho ea lintho tse bonahalang - Litekanyetso tse phahameng tsa CTI li netefatsa ts'ebetso ea nako e telele ea ho kenya letsoho.

Liboto tse boima tsa koporo li hloka tlhophiso e hlokolosi ea sebaka ka lebaka la li-gradients tse phahameng tsa motlakase mecheng ea morao, ho boloka tumellano ea setifikeiti sa polokeho nakong eohle ea bophelo ba sehlahisoa.

Ho Etsa PCB ea Koporo e Boima bakeng sa Phepelo ea Matla

Mekhoa ea Electroplating le Etching

Moetso o boima oa koporo ea PCB o hloka taolo e nepahetseng ea ho ts'oaroa ha koporo e teteaneng ho pholletsa le bokaholimo. Mekhoa e tsoetseng pele ea li-electroplating e netefatsa ho ajoa ha koporo ka mokhoa o tsitsitseng ka likoti le ka ntle, ho thibela lintlha tse fokolang litseleng tsa hona joale. Ho kenya koporo e teteaneng ho hloka k'hemistri e khethehileng le linako tse atolositsoeng tsa ts'ebetso ho fihlela tlhaloso e hloekileng ntle le ho fokotsa tlhahiso ea boto ea phepelo ea motlakase.

Lamination Control le Khetho ea Lintho

Lisebelisoa tse phahameng tsa Tg FR-4 kapa li-polyimide substrates li thibela delamination nakong ea soldering e se nang loto le ts'ebetso e phahameng ea mocheso. Taolo ea lamination e ba ea bohlokoa ka likarolo tse teteaneng tsa koporo, kaha phallo ea resin e tlameha ho koahela ka botlalo lifaele tsa conductor ntle le ho theha likheo. Li-PCB tsa Metal-core tse nang le aluminium kapa metheo ea koporo li fana ka taolo e eketsehileng ea mocheso bakeng sa lits'ebetso tsa phepelo ea matla a phahameng haholo.

Surface Finish bakeng sa Lisebelisoa tsa Matla

ENIG (Electroless Nickel Immersion Gold) e fana ka thekiso e ntle haholo le khanyetso ea ho ikopanya bakeng sa likhokahano tsa hajoale, athe silevera ea ho qoelisoa e fana ka ts'epo e theko e tlase. Qetello ea bokaholimo e tlameha ho mamella lipotoloho tse ngata tsa mocheso ntle le ho senyeha, ho boloka khanyetso e tlase ea likhokahano libakeng tsa khokahano ea motlakase ho pholletsa le bophelo bo boima ba ts'ebeletso ea koporo ea PCB litsing tsa phepelo ea matla a indasteri.

Mehlala ea Kopo ho Mekhoa ea Matla a Liindasteri

Li-Module tsa Phepelo ea Matla a Liindasteri

Lisebelisoa tsa motlakase tsa Switch-mode bakeng sa othomathike ea indasteri li sebelisa theknoloji ea PCB ea koporo e boima ho sebetsana le maqhubu a rectifier le ho fokotsa tahlehelo lipotolohong tsa mahlakore a mantlha. Melemo ea tsamaiso ea mocheso e nolofalletsa meralo e nyane ea phepelo ea motlakase e fihlelang litekanyetso tsa sejoale-joale tsa ts'ebetso ha e ntse e sebetsa ka mokhoa o tšepahalang libakeng tsa fektheri tse nang le maemo a malelele a mocheso.

Motor Drive le Inverter Control

Li-drive frequency drive le li-amplifiers tsa servo li itšetlehile ka meaho e boima ea koporo bakeng sa mekhahlelo ea tsona ea matla, moo li-IGBT li fetolang makholo a li-ampere ka maqhubu a kilohertz:

• Matlafatso ea sethala sa matla - Koporo e boima e sebetsana le maqhubu a holimo ntle le ho futhumatsa ho feteletseng.
• Ho kopanngoa ha heke drive - Litsela tse laoloang tsa impedance li netefatsa ts'ebetso e tšepahalang ea phetoho.
• Tsamaiso ea EMI - Lifofane tsa koporo tse tiileng li fana ka tšireletso e sebetsang le litsela tsa ho khutla.

Mekhoa ea Matla a Tsosolositsoeng

Li-inverter tsa letsatsi le litsamaiso tsa polokelo ea matla li sebetsana le li-kilowatt tsa motlakase ka liboto tsa potoloho tse pepeselitsoeng maemong a fapaneng a mocheso. PCB e boima ea koporo bakeng sa likarolo tsa phepelo ea motlakase lits'ebetsong tsena e netefatsa ts'epo ea nako e telele lits'ebetsong tsa kantle moo phihlello ea litšebeletso e lekanyelitsoeng 'me litšenyehelo tsa ho hloleha li phahame ka har'a litlhophiso tse hoketsoeng ka gridi le tse kantle ho gridi.

Ho Tšepahala le Teko bakeng sa Boima Koporo PCB

Taolo ea Boleng ba Tlhahiso

Tlhahlobo ea mahlo e iketsang le litšoantšo tsa X-ray li netefatsa ngoliso ea lera le ka hare le ho tšoana ha plating ea koporo pele ho lamination. Tlhahlobo ea likarolo tse tšekaletseng e tiisa ho tsitsa ha botenya ba plating ka har'a masoba a phunyeletsang, e khethollang libaka tse fokolang tse ka bang teng pele mapolanka a kena tlhahisong. Litekanyo tsena tsa taolo ea boleng tlhahisong ea PCB ea koporo e boima li thibela ho hloleha ha tšimo le ho netefatsa ho latela litaelo tse hlalositsoeng bakeng sa lits'ebetso tsa phepelo ea motlakase.

Teko ea Khatello ea Tikoloho

Thermal cycling pakeng tsa ho sebetsa ka tsela e feteletseng e tiisa botšepehi bo kopanetsoeng ba solder le ho khomarela koporo tlas'a maemo a sebele a khatello ea kelello. Teko ea vibration e tiisa matla a ts'ebeliso ea ts'ebeliso e ipapisitseng le ho sisinyeha ha enjene kapa ho ts'oha ha lipalangoang. Liprothokholo tsa tlhahlobo ea ts'epo tse sebetsanang le lisebelisoa tsa elektroniki li netefatsa hore meaho e boima ea koporo ea PCB e fihlella nako e telele ea bophelo e hlokahalang bakeng sa lisebelisoa tsa phepelo ea motlakase indastering.

fihlela qeto e

Theknoloji e boima ea koporo ea PCB e ipakile e le ea bohlokoa bakeng sa phepelo ea motlakase ea indasteri le lits'ebetso tsa inverter, e fana ka melemo e meraro ea bohlokoa eo li-PCB tse tloaelehileng li ke keng tsa e bapisa. Bokhoni ba hona joale bo ntlafetseng bo felisa ho hlōleha ha mocheso ho li-circuits tse matla a phahameng, ha mocheso o phahameng oa ho hasana o eketsa nako ea bophelo ba karolo tlas'a ts'ebetso e tsoelang pele. Matlafatso ea mochini ho tloha meahong e teteaneng ea koporo e tiisa ho ts'epahala maemong a boima a indasteri moo ho thothomela le ho palama libaesekele tse futhumetseng ho ka senyang meaho e tloaelehileng ea boto.

Highleap Electronics e ikhethile ka ho etsa li-PCB tsa koporo e boima bakeng sa lits'ebetso tsa phepelo ea motlakase:

• Boima ba koporo ho tloha ho 3 oz ho isa ho 20 oz - E etselitsoe litlhoko tsa hau tsa hajoale.
• Tsamaiso e tsoetseng pele ea mocheso - Metal-core le meralo ea koporo e teteaneng bakeng sa ho qhala mocheso o phahameng.
• Litšebeletso tsa tšehetso tsa moralo - Tlhahlobo ea DFM e netefatsa ts'ebetso le ts'ebetso.
• Boleng bo felletseng ba ho latedisa - AOI, tlhahlobo ea X-ray, le tlhahlobo ea likarolo tse fapaneng sebakeng se seng le se seng sa tlhahiso.

Ikopanye le sehlopha sa rona sa boenjiniere ho buisana ka litlhoko tsa hau tsa phepelo ea motlakase ea PCB e boima le ho fumana tataiso ea litsebi mabapi le ntlafatso ea moralo bakeng sa lits'ebetso tsa indasteri.