Tataiso ea Li-inductors tse Nyenyane: Metheo, Mesebetsi le Ts'ebeliso ea Bohlokoa

Ho utloisisa li-inductors tse nyane

Selelekela sa Inductance

Inductance ke thepa ea mantlha ea li-circuits tsa motlakase tse mabapi le bokhoni ba terata ho boloka matla sebakeng sa makenete ha motlakase o feta terateng. Li-inductors tse nyenyane, tse kang tse likete-kete tsa lisebelisoa tsa elektronike, li sebelisa molao-motheo ona ho laola le ho sefa matšoao. Matla a matla a khoheli a inductor a ipapisitse le matla a ntseng a phalla le lintho tse ling tsa 'mele joalo ka palo ea ho thinya le mofuta oa thepa ea mantlha. Tsebo ena ea mantlha e bohlokoa ho hlahisa e fumaneha ka li-inductors tse nyane le lits'ebetso tse fapaneng ho lisebelisoa tsa elektroniki tsa mehleng ena.

Mefuta ea li-inductors tse nyane

Ho na le litšobotsi tse peli tseo li-inductors tse nyane li ka aroloang ho tsona. Thepa ea mantlha le tlhophiso, mofuta o mong le o mong o loketse lits'ebetso tse ikhethileng tse kenyelletsang ho theola phepelo ea motlakase le ts'ebetso ea matšoao. Li-air-core, ferrite-core, le toroidal inductors li sebelisoa hangata. Li-inductors tsa moea ha li na konokono e tiileng ea makenete e bakang ho fokotseha ho fokolang le tahlehelo ha li ntse li le tlas'a matla a mantlha a etsang hore li tšoanelehe bakeng sa maqhubu a phahameng. Ho sa le joalo, li-inductors tsa ferrite-core li na le litšobotsi tsa makenete tse lumellang inductance e kholo mme li ka sebelisoa molemong oa ho hatella lerata le ho fetola matla. Toroidal inductor, donut shaped, ha e na likheo tsa moea, tse ka etsang hore inductor e hlahise matla a khoheli a sa tsitsang 'me ka hona a ka ba le katleho e tlaase' me a hlahisa lerata la EMI, le loketseng bakeng sa lipotoloho tsa phepelo ea matla.

Litšobotsi tsa Li-inductors tse Nyenyane

Li-inductors tse nyane li khetholloa ke likarolo tse ling tsa bohlokoa, e leng: inductance, rated current, resistance and quality factor. Inductor ea polokelo e khetholloa ka inductance ea eona, hangata ho Henries (H). Lebelo le lekantsoeng le emela nako e phahameng ka ho fetisisa eo inductor e ka e tsamaisang ntle le ho tlala kapa ho futhumala. Ho lahleheloa ke matla ho inductor ho susumetsoa ke ho hanyetsa, 'me ho hanyetsa ho fokolang ho molemo e le hore ho be le katleho e phahameng. 'Me qetellong, boleng bo phahameng ba Q (tšoaneleho ea ntlha), ke moo inductor e tla boloka le ho lokolla matla ka mokhoa o atlehileng (ho fokotsa tšenyo ea matla joaloka mocheso). Kutloisiso e ntle ea lintlha tsena e bohlokoa bakeng sa baenjiniere le ba chesehelang lisebelisoa tsa elektroniki ha ba khetha li-inductors bakeng sa meralo ea bona, 'me ba netefatsa hore ba lumellana le liteko / mohlala le ho netefatsa hore ts'ebetso ea bona e ntlafalitsoe.

Ho Khetha Inductor e Nyane e Nepahetseng

Lintlha Tseo U Lokelang ho li Nahana

Ha ho tluoa tabeng ea ho khetha inductor e nyane e ntle ka ho fetisisa bakeng sa projeke ea hau, ho na le lintlha tse 'maloa tsa bohlokoa tse bapalang. Sepheo sa bohlokoa ka ho fetisisa ke inductance, ke hore boleng boo inductor e ka bolokang matla ka bona. Sena se tla kopana le litlhoko tsa potoloho ea hau bakeng sa ts'ebetso eohle ea eona. Taba ea bobeli, lintlha tsa hajoale tsa inductor li kanna tsa se lebaloe. Ke hona joale e phahameng ka ho fetisisa eo inductor e ka e nkang ntle le hore ts'ebetso ea eona e senyehe, 'me ke ea bohlokoa bakeng sa ho boloka maemo a sireletsehileng a ts'ebetso le ho thibela potoloho hore e senyehe ka ho chesa haholo. Qetellong, boholo ba inductor e nyane bo bohlokoa haholo, haholo ts'ebetsong e kopaneng moo sebaka se lefshoang. Bothata ke ho fumana tekanyo e ntle ea lintlha tsena tse kang hore u fumane inductor e finyellang litlhoko tsa motlakase le tsa 'mele bakeng sa morero oa hau.

Ho bapisa Inductor ho Kopo

Ho tseba hore na inductor e nyane e nepahetseng bakeng sa kopo ea hau, ho bohlokoa ho tseba hore na o hloka karolo efe ho e etsa. Lisebelisoa tse fapaneng tsa electromagnetic li hloka boleng bo fapaneng ba inductance, hajoale le boholo ba inductance. Ka mohlala, potoloho ea phepelo ea motlakase e ka 'na ea hloka compact inductor e nang le inductance e phahameng ea hona joale le e fokolang, ha sesebelisoa sa ho sefa matšoao se ka rekisetsa ho nepahala ha inductance bakeng sa ho sebetsana le hona joale. Ho thusa ts'ebetsong ea khetho, bahlahisi ba fana ka li-database tse pharaletseng tse hlalosang ts'ebetso ea inductor tlas'a maemo a sa tšoaneng. Ka tlase ke tafole e khuts'oane ea likopo tse ling tse tloaelehileng, le litlhoko tsa bona tsa inductor:

Liphoso Tse Tloaelehileng ho Khetho

Bakeng sa khetho ea li-inductors tse nyane, ntlha e 'ngoe e hlokomolohuoang khafetsa ke boits'oaro ba bona ba khafetsa. Inductor e ntle bakeng sa maqhubu a tlase e kanna ea se sebetse joalo ka maqhubu a holimo hobane tahlehelo ea eona e hanyetsanang ea eketseha, kapa ho kenella ha eona ho tlase. Kotsi e 'ngoe ke ha ntlha ea boleng (Q) ea inductor e hlokomolohuoa Q e lekanya bokhoni ba inductor ho boloka le ho lokolla matla. Ntho ena e tlase ea Q e ka baka tahlehelo ea matla, haholo ts'ebetsong ka lebelo le phahameng. Ho feta moo, hafeela ho etsa hore li-inductors tsohle tse nyane li lekane 'meleng ho fana ka hore ho e etsa hore e lekane ha e leke khahlano le boholo ba sebaka se fumanehang botong ea potoloho ho ka hloka ho hlophisoa bocha kapa ho feto-fetoha ha ts'ebetso. Lula hole le maraba ana 'me u natefeloe ke katleho e ntle ha u khetha likarolo le ho rala lipotoloho.

Ho kenya ts'ebetsong li-inductors tse nyane lipotolohong

Kopano ea Motheo ea Potoloho

U batla phephetso e 'ngoe? Likaroloana tsena tsa metsotso li bohlokoa bakeng sa ho sefa, ho boloka matla le ho hlahisa matla a khoheli. Ho qala ka kopanyo ea mantlha ea potoloho, ts'ebetso ea inductor ka har'a potoloho ke ea bohlokoa ho e utloisisa. Mohlala, tsamaisong ea phepelo ea motlakase, li-inductors tse nyane li ka kenya letsoho ho fokotsa maqhubu a motlakase e le ho eketsa tlhahiso e tsitsitseng ea motlakase. Hape u se ke ua lebala ho ela hloko litekanyetso tsa inductor (boleng ba inductance, tekanyo ea hona joale ) e lokelang ho lumellana le potoloho. E 'ngoe ea litšiea tsa motheo ke ho tseba ho solder le (ha ho hlokahala) ho shebana le likarolo.

Mekhoa e tsoetseng pele

Ha motho a tsoela pele ho sebelisa li-inductors tse nyane le mekhoa e tsoetseng pele, lits'ebetso li fetoha tse rarahaneng. Joale mekhoa ea ho sebelisa li-inductors ka letoto kapa ka tsela e tšoanang kapa ka sebopeho sa mono filar kapa bi-filar winding ho fana ka inductance e lakatsehang le impedance le eona e ba ea bohlokoa. Ho feta moo, ho hlokomela likarolo tsena ts'ebelisong ea RF, joalo ka RF-circuits, ho hloka kutloisiso ea boitšoaro ba inductor pusong ea RF e kenyelletsang mantsoe a kang phello ea letlalo le bokhoni ba parasitic. Mekhoa ea ho fokotsa litlamorao tsena tse sa rateheng ka mohlala mabapi le ho khetha li-inductors tse bonts'ang lisebelisoa tse loketseng kapa li-geometri e ntse e eketseha. Meralo e tsoetseng pele le ho feta e ka kenyelletsa li-inductors, kapa banyalani ba inductively bakeng sa phetisetso ea motlakase e se nang mohala, hape e thatafatsa ts'ebetsong.

Mathata a Tloaelehileng le Litharollo

Leha ho le joalo, ho kenyelletsa li-inductors tse nyane lipotolohong ha se mosebetsi o bonolo. Bothata bo bong bo tsebahalang ke ho hlaha ka phoso ha tšitiso ea motlakase (EMI) e bakoang ke maqhubu a phahameng a ho fetoha lipotolohong tse kang li-converter kapa li-inverter. Baqapi ba ka fokotsa sena ka ho sireletsa kapa li-inductors tse nang le mesi e tlase ea EMI. Taba ea bobeli ke fisiks ea liboto tsa potoloho, tse thibetsoeng sebakeng. Mona ho bohlokoa ho khetha boholo bo nepahetseng le mofuta oa inductor. Tafole e latelang e akaretsa mathata a tloaelehileng a hlahang ha ho sebelisoa li-inductors tse nyane le litlhahiso tse ka bang teng tsa ho sebetsana le tsona.

Mekhoa ea Bokamoso le Lintlafatso ho Li-inductors tse Nyenyane

Thepa le Tsoelopele ea Tlhahiso

Ke 'nete ea tlhaho le nts'etsopele e tsamaisoang ke ntlafatso e potlakileng le nts'etsopele ea lisebelisoa le mekhoa ea tlhahiso lefats'eng la li-inductor tse nyane. Lipatlisiso li tsepamisitse maikutlo ho batla lisebelisoa tse ncha tse ka ntlafatsang matla a khoheli a li-inductors le ho fokotsa boholo ba tsona. Ho bile le lipatlisiso tse pharaletseng lefapheng lena, 'me lisebelisoa tse phahameng tsa matla a khoheli tse kang nanocrystalline alloys le tšepe ea amorphous ke tse ling tsa lisebelisoa tse etellang pele. Lisebelisoa tsena li fana ka monyetla oa ntlafatso e tsotehang ea katleho ea li-inductors tse nyenyane, ho nka li-inductance tse ngata ka har'a sephutheloana se senyenyane haholo. Ho phaella moo, ka tsoelo-pele ea mekhoa ea ho etsa mekhoa e kenyelletsang khatiso ea 3D le nano-fabrication, li-inductors tse nyenyane tsa libopeho tse rarahaneng le li-geometries li ne li ka etsoa tse neng li ke ke tsa nahanoa nakong e fetileng. Tsoelopele ena e ke ke ea thusa feela ho kopana le mokhoa o lebisang ho miniaturization, empa hape e tla ntlafatsa ts'ebetso ea lisebelisoa tsa elektroniki ka ho etsa hore lisebelisoa tsena tsa bohlokoa li sebetse mecheng e menyenyane ea likhomphutha le lisebelisoa tsa puisano tse tšoaroang ka letsoho kapa tse nkehang habonolo.

LBH

Inductance ke eng?

Inductance ke thepa ea conductor moo conductor e ka bolokang matla ka mokhoa oa matla a khoheli ha motlakase o phalla ho eona. Ke thepa ea bohlokoa bakeng sa ts'ebetso ea li-inductors, tse sebelisoang lisebelisoa tsa elektroniki ho laola phallo ea hajoale le ho hloekisa matšoao.

Ke mefuta efe e tloaelehileng ea li-inductors tse nyane?

Hantle, li-inductors tse nyane tse tloaelehileng ke: li-inductors tsa moea, tse se nang letho haese coil e nang le mantlha e seng ea makenete, e loketseng ts'ebetso ea maqhubu a phahameng ntle le tahlehelo ea inductance; li-inductors tsa ferrite-core, tse nang le matla a khoheli ho eketsa inductance, 'me li sebelisetsoa ho hloekisa lerata le ho fetola matla; li-inductors tsa toroidal, tse ts'oanang le donut, li na le ts'ebetso e phahameng le tšitiso e nyane ea EM, kahoo li ka sebelisoa phepelong ea motlakase e kopaneng.

Ts'ebetso ea li-inductors tse nyane e hlalosoa joang?

Ts'ebetso ea li-inductors tse nyane e khetholloa ka inductance (ho Henrys), e lekantsoeng ea hajoale (maemo a phahameng ao inductor a ka a tsamaisang ntle le ho chesa), ho hanyetsa (e amang tahlehelo ea matla), le Q factor (tekanyo ea bokhoni ba inductor ho boloka le ho lokolla matla).

Ke lintlha life tse lokelang ho nahanoa ha ho khethoa inductor e nyane bakeng sa morero?

Ha u khetha motlakase o monyenyane, motho o lokela ho ela hloko boleng bo hlokahalang ba inductor ho lumellana le potoloho, tekanyo ea hona joale e le hore ho se ke ha e-ba le tšenyo ea mocheso, le boholo ba inductor, haholo-holo haeba ho se na sebaka se sengata bakeng sa liqapi tsa potoloho.

Motho a ka bapisa inductor e nyane e nepahetseng joang le kopo?

Khetha inductor e nyane e nepahetseng bakeng sa kopo, ka mefuta e fapaneng ea boholo ba inductor Utloisisa litlhoko tsa morero, ho latela litekanyetso tse fapaneng tsa inductance, litekanyetso tsa hajoale, le boholo bo hlokahalang bakeng sa lits'ebetso tse fapaneng joalo ka lipotoloho tsa phepelo ea motlakase, ho sefa matšoao, le li-transceivers tsa RF. Bakeng sa khetho ea 'nete, lintlha tsa ts'ebetso lia hlokahala tse ka fumanoang ho database ea bahlahisi.

Ke liphoso life tse tloaelehileng ha u khetha li-inductors tse nyane?

Likotsi tse tloaelehileng ke ho hlokomoloha khafetsa ea inductor, Q factor ea inductor le ho nka hore li-inductors tse nyane li lekana ka boholo ntle le ho netefatsa boholo, e leng se ka bakang tahlehelo ea ts'ebetso kapa ho hloka ho hlophisoa bocha.

Ke lintlha life tse ling tsa mantlha ha u kopanya li-inductors tse nyane ho li-circuits?

Ha ho tluoa tabeng ea ho sebelisa li-inductors tse nyenyane, ke habohlokoa ho nahana ka karolo ea bona ea potoloho, ho etsa bonnete ba hore karolo e nepahetse libakeng tsa pele ho latela lintlha tse hlokoang ke ts'ebetso ea potoloho, le mokhoa o nepahetseng le soldering ha ho hlokahala.

Ke mekhoa efe e tsoetseng pele e sebelisoang ka li-inductors tse nyane?

Lisebelisoa tse tsoetseng pele joalo ka letoto le li-inductors tse ts'oanang, ts'ebetso ea li-inductor ka maqhubu a phahameng, kapa ts'ebeliso ea li-inductive coupling kapa li-inductors tse fetolehang, mohlala, bakeng sa phetisetso ea motlakase e se nang mohala.

Ke mathata afe a tloaelehileng ha ho etsoa li-inductors tse nyane le tharollo ea tsona?

Mathata a tloaelehileng ao baqapi ba tobanang le 'ona a kenyelletsa ho laola EMI (ho kena-kenana le motlakase) ka ho sireletsa kapa ho ntlafatsa sebopeho sa potoloho, hammoho le ho sebetsana le sebaka se lekanyelitsoeng holim'a boto ea potoloho ka ho sebelisa li-inductors tse kopanetsoeng, le ho fana ka tsamaiso e sebetsang ea mocheso ka moea o nepahetseng kapa khetho ea li-inductors tse nang le ts'ebetso e phahameng ea mocheso.

Ke mekhoa efe ea nako e tlang le mekhoa e mecha e bōpang li-inductors tse nyenyane?

Trends hore ho ka etsahala hore ho ntshetsa pele ka ho eketsehileng kenyeletsa (i) z interpolating tse ling tse phahameng permeability magnetic konokono thepa tse kang nanocrystalline alloys le amorphous tšepe ho eketsa bokgoni le ho fokotsa boholo ba inductor, le (ii) thekenoloji popontshwa, tse kang 3D khatiso le nano-fabrication, e ka nolofalletsang lisebelisoa tse nyenyane tsa inductor tse nang le sebopeho se rarahaneng sa sefapano le ts'ebetso e phahameng.