Iingcebiso ze-Antenna Coil yoyilo lokunyusa amandla oMqondiso

Ukuqonda Ikhoyili ye-AntennaIziseko

Intshayelelo kwii-Antenna Coils

Aikhoyili yentennas idlala indima esembindini kunxibelelwano olungenazingcingo, ukuguqula umsinga wombane ube kwimitha ye-electromagnetic radiation kwaye ngokuphambeneyo. Ezo zixhobo zibalulekile ekugqithiseni nasekufumaneni imiqondiso kwiifrikhwensi ezahlukeneyo. Umgaqo wokusebenza kweekhoyili ze-ANT kukuvelisa intsimi yamagnetic ngenxa yokuhamba kwangoku kwikhoyili, kwaye ngaloo ndlela ivelise intsimi ye-electromagnetic esithubeni. Ikwayinkqubo ebuyiselwa umva, iikhoyili ze-antenna zikwanokufumana amaza ombane we-electromagnetic avela kwihlabathi langaphandle kwaye aziguqule zibe ngumsinga wombane. Ukuqonda malunga nokusebenza okusisiseko kwe ikhoyili ye-antennas iyimfuneko ukuze bayilwe ukuze benze konke okusemandleni abo kuso nasiphi na isicelo, nokuba lusasazo lukanomathotholo, umnxeba ophathwayo, okanye ezinye izicelo.

Iintlobo zee-Antenna Coils

Ii-eriyali zekhoyili zifumaneka kwiimilo ezininzi ezahlukeneyo kunye nobukhulu kwaye ziyilelwe usetyenziso oluthile kunye noluhlu lwamaza. Ikhoyili ye-solenoid, ikhoyili ye-toroidal, kunye nekhoyili ecwangcisiweyo zezona ntlobo zintathu ziphambili. I-Cylindrical solenoid coils yenye yezona zinto zisetyenziswa rhoqo kwimithombo yemagnethi apho imagnethi kufuneka ifane kangangoko. Iikhoyili zeToroidal-ethiywe ngegama lobume bazo be-donut-zithandwa kuphazamiseko oluncinci kumhlaba wemagnethi wangaphandle. Iikhoyili zeplani ezimcaba, ezimile okwe-spiral. Ezi zifanelekile naphi na apho isithuba sinokwahluka kwe-SMD nazo zilungisiwe kwaye zinokuxhonywa kumphezulu. Izibonelelo kunye nezicelo Lonke uhlobo lwe ikhoyili ye-antennainikeza amandla ayo athile kunye nemimandla yesicelo, yiyo loo nto ukhetha okulungileyo ikhoyili ye-antennaibalulekile kwisixokelelwano sakho ukuba sisebenze ngokugqibeleleyo.

Iiparamitha eziphambili ezichaphazelayo Ikhoyili ye-AntennaUkusebenza

Kukho inani leeparamitha ezidlala indima ebalulekileyo ekusebenzeni kwe ikhoyili ye-antenna. Ezi ziquka i-inductance, ukumelana, i-capacitance, kunye nomgangatho (Q) we-coil. I-Inductance ngumlinganiselo wokukwazi kwekhoyili ukugcina amandla kwintsimi yayo yamagnetic, kwaye ngaloo ndlela ukukwazi ukuhambisa kunye nokufumana izibonakaliso ngokufanelekileyo. Ukuchasana kuchaphazela ukulahlekelwa kwamandla; Ukunciphisa ukuxhathisa kubangela ilahleko encinci yamandla njengobushushu obulungele ukusebenza kakuhle. I-Capacitance inokwenziwa ukuchaphazela i-resonant frequency ye-eriyali, enokuthi ihambelane nendlela i-eriyali elungelelaniswe kakuhle ngayo ukucula kwiifrikhwensi ezahlukeneyo. Ekugqibeleni, i-Q factor isetyenziselwa ukuvavanya i-bandwidth ye-coil's resonant frequency ngokubhekiselele kwi-frequency center frequency, echaza ukukhethwa kunye nokusebenza kakuhle kwe-antenna. Ukuphucula ezi parameters kubaluleke kakhulu kuyilo olusebenzayo ikhoyili ye-antenna.

Ukuyila okuNgcono Ikhoyili ye-Antenna

Ukuqonda iJiyometri yeCoil

Ijometri ye ikhoyili ye-antennainefuthe ekusebenzeni kwayo. Iimpawu ze-inductance kunye ne-frequency zichatshazelwa ziiparamitha ezinje ngobubanzi, ubude kunye ne-winding pitch yekhoyili. Ikhoyili enkulu yedayamitha, umzekelo, i-inductor ngakumbi, ilungisa ulwamkelo olungcono olusezantsi. Kwelinye icala, i-pitch winding esondeleyo inokunyusa i-Q factor yekhoyili, oko kukuthi, ukukhetha kunye novakalelo lwayo. Abaqulunqi bakholisa ukuphonononga iindlela ezininzi ezahlukeneyo zejometri ukubetha ulungelelwano phakathi kweemfuno ezikhuphisanayo ezinje ngebhendi yefrikhwensi ekujoliswe kuyo, imiqobo yobungakanani bomzimba obunyanzeliswe yinkqubo apho isixhobo siya kudityaniswa, phakathi kwezinye. Kubaluleke kakhulu ukuqonda olu budlelwane ukuze uphuhlise ikhoyili ye-antennaezibonelela ngentsebenzo egqwesileyo kusetyenziso oluthile.

Ukuqwalaselwa kwezinto eziphathekayo

Ukukhethwa kwezixhobo ze ikhoyili ye-antennauyilo luchaphazela ngokuthe ngqo impumelelo kunye nokusebenza. Ngokubhekiselele kwizinto zetsimbi, kungcono ukusebenzisa izinto eziphathekayo ezinokumelana okuphantsi ukwenzela ukunciphisa ukulahlekelwa kwamandla ekusebenzeni. Izinto ezingundoqo zikwayenye inkcazo yokusebenza kwaye ingaba ngumoya, i-ferrite okanye olunye uhlobo lwezinto eziphathekayo ezichaphazela i-coil inductance kunye nokuphendula rhoqo. I-inductance ye-ferrite cores, umzekelo, inokuphindaphindwa ngamakhulu ngaphandle kokongeza nje ukujika kweekhoyili. Ukukhethwa kwemathiriyeli kuya kwahluka ngokwemiba ethile yesicelo kubandakanya iindleko, ubushushu kunye nokufuma, umzekelo.

Ukulinganisa kunye neZixhobo zokuSebenza

Kwinqanaba loyilo lwekhoyili ye-antenna, ukulinganisa kunye nezixhobo zemodeli zibalulekile ekuhlalutyeni ukusebenza ngaphambi kokwakhiwa kwangempela kweeprototypes. Ezo zixhobo zenza ukuba iinjineli zoyilo zikwazi "ukuzama" ukwahlula ijiyometri, imathiriyeli, kunye nolungelelwaniso olunqamlezileyo lwekhoyili ngaphambi kokwenza iindleko zokuprinta ikhoyili, ngokufuthi ukonga iiveki kunye namawaka eedola. Abaqulunqi banokwenza imodeli yendawo ye-E / M yendawo ejikeleze ikhoyili ukwandisa okanye ukunciphisa amandla entsimi kunye nokusebenza kakuhle. Uvuselelo lukwaququzelela ukufunyaniswa kweengxaki ezinokwenzeka (umz. ii-resonances ezingafunekiyo okanye i-impedance mismatches) ezinokukhokelela ekuncipheni komsebenzi. Ke ngoko, ukusetyenziswa kokulinganisa kunye nemodeli kwinqanaba le ikhoyili ye-antennauyilo luququzelela uphuhliso lwesethi yezisombululo zoyilo ezanelisa ngcono iimeko ezibekwe ekusebenzeni.

Ukwandisa amandla oMqondiso kunye nokusebenza ngokufanelekileyo

UkuTyula kunye nobuChwephesha bokuMatanisa

Uyilo lwe-eriyali: ukulungiswa kunye nokutshatisa Kwimitha yoyilo lwe-eriyali yenye yezinto zexabiso ukufikelela kwindawo yokusebenza elungileyo ngokubhekiselele kumandla omqondiso kunye nokusebenza ngokufanelekileyo. Ke, xa i-eriyali ilungelelaniswe ngokufanelekileyo kwi-frequency enqwenelwa ukuyifumana okanye ukuyihambisa, ukuphindaphinda kwayo kuyenyuka, okukhokelela kulwamkelo olunamandla kunye nokudluliselwa okunamandla kakhulu. Ulungelelwaniso olunjalo lunokufuna ukulungiswa okuchaneke kakhulu kobukhulu bomzimba be-eriyali okanye ukongezwa kwezinto ezisebenzayo ukuze kulungiswe isantya sokuza kwe-eriyali. Umzekelo, i-capacitor eguquguqukayo ihlala isetyenziswa kwisicelo esibonelelwe ngasentla njengokulungisa kakuhle ukuvumela umyili ukuba acule ngokuphindaphindiweyo kwaye andise i-resonant frequency ye-eriyali.

Enye ingqikelelo ebalulekileyo kukungqamanisa okukukwenza uthintelo lwe-eriyali ukuya kumthwalo wayo (ngokuqhelekileyo isekethe yeRF). Ukungahambi kakuhle kwe-impedance kunokubangela ukulahlekelwa kwamandla ngenxa yezibonakaliso ezibonakalisiweyo, ezinokunciphisa ukusebenza kakuhle kwenkqubo. Ukuze ujongane nale ngxaki, ubuchule obuhambelanayo bubandakanya ukusetyenziswa kwamanethiwekhi kunye ne-capacitors, i-inductors okanye i-transformers, eyenzelwe ngokukodwa ukuguqula i-impedance ye-antenna ngokuhambelana nomthwalo. Ezi nethiwekhi, ngamanye amaxesha zibizwa ngokuba ziinethiwekhi ezihambelanayo okanye iibhaluni xa ulungelelwaniso luyimfuneko, lunokuyilwa ngokubanzi ngeendlela ezahlukeneyo ngokusekwe kwiimfuno ezithile ze-eriyali kunye nenkqubo ekuyo.

Ukusetyenziswa kunye nokwenziwa ngcono kwezi zikimu zokulungelelanisa kunye nokudibanisa ziququzelelwa ubukhulu becala bubuchule banamhlanje bokulinganisa. Zisetyenziselwa ukulinganisa ukusebenza kwe-electromagnetic yeenkqubo ze-eriyali kwiimeko ezahlukeneyo ngabaqulunqi ngaphandle kwenkqubo esebenza ngamandla yokwenza iiprototypes. Abaqulunqi banokuphinda batshintshe ubungakanani kunye nemathiriyeli ye-eriyali kunye namalungu ayo kuthungelwano oluhambelanayo ukuze babone ukuba olo tshintsho luyakuchaphazela njani ukuphindaphindeka kwe-resonant kunye nokudibana kwe-eriyali kusetyenziswa ukulinganisa. Oku ayisosigcini sexesha kuphela kumjikelo wophuhliso ukuchonga olona yilo lubalaseleyo kwasekuqaleni kodwa kuyanceda ukukhulisa kwangethuba ukuze usebenze kakuhle phambi kokuba umsebenzi uye kwimveliso.

Ukwamkeleka koMqondiso

Zininzi ezinye iindlela zokuphucula ukufunyanwa kophawu lwe ikhoyili ye-antennangaphandle kokulungelelanisa kunye nokudibanisa. Ukusetwa kwe-eriyali kunokwenza umahluko omkhulu kwindlela esebenza ngayo kakuhle kwaye ezinye izikhundla zingcono kunezinye ngokusekelwe kumanqanaba okuphazamiseka kunye nokusondela kwimithombo yomqondiso ngokwawo. Ukongezelela, ilahleko yesignali ingancitshiswa kwaye ukusebenza ngokubanzi kwe-antenna kunokuphuculwa ngokusebenzisa izixhobo eziphezulu. Iindlela zobuchwephesha ezintsonkothileyo ezifana nokongeza iifrikhwekhwekhwe ezininzi ze-resonant okanye ukusetyenzwa kwe-beamforming kusenokuthi kuququzelele ulwamkelo lophawu oluphuculweyo, njengokugxila kwinzuzo ye-eriyali kwiindlela ezithile okanye kwiifrikhwensi ezithile.

ULondolozo kunye nokuJonga iNgxaki

Ulondolozo lothintelo nolulungisayo lwe ikhoyili ye-antennas ibalulekile kwimpumelelo ezinzileyo kunye nokuthembeka. Ukuhlolwa ngokomzimba ayikuphela kwento ekufuneka uyenzile ukuze ibhayisekile yakho ihlale isempilweni. Ibandakanya uhlolo olusondeleyo lonxibelelwano lombane, ukuqinisekisa hayi nje ukuba luqinile, kodwa lukhululekile kwi-oxidation kunye ne-corrosion, zombini ezinciphisa imveliso yokusebenza. Kwakhona kuyimfuneko ukugcina, kwaye ngamanye amaxesha uhlolisise ukulungiswa kunye nokuhambelana kwe-eriyali. Ezi zicwangciso zinokuchaphazeleka kwiimeko zokusingqongileyo kunye nokusetyenziswa kokugqoka, okukhuthaza ukulungiswa kwezicwangciso ukwenzela ukubuyisela umqondiso ongcono kakhulu wokuthumela kunye nokufumana ukusebenza. Ukuseka ithayimthebhile yolo phando, ngokwemiqathango yokusebenza kunye nokuphindaphindwa kokusetyenziswa, kunokuthintela ukujongana neengxaki eziphuma esandleni.

Kukho uthotho olufanelekileyo lwamanyathelo ekufuneka uwalandele xa ufuna ukulungisa ingxaki ikhoyili ye-antennas. Qala ngezinto ezisisiseko: Ngaba yonke into iplagiwe kunye ne-eriyali kwindawo efanelekileyo, ukufumana isignali efanelekileyo? Oku kubandakanya ukuqinisekisa ukuba i-eriyali ayivalwanga okanye ayijoliswanga ngokuchanekileyo, nto leyo enokwenza umahluko omkhulu kwindlela esebenza ngayo. Kwixesha elizayo, iindlela ezintsonkothileyo zokuxilongwa zinokusetyenziswa. Okokuqala, uhlalutyo lwempendulo ye-antenna ngokusebenzisa i-analyzer yenethiwekhi okanye efanayo kunye nezinto ezinjalo ziya kuchonga iingxaki ezingabonakali ngokukhawuleza, ezinje nge-de-tunings encinci okanye ukungahambelani kwe-impedance, umzekelo. Ukuhlola okunzulu okunjalo kukhuthaza ukucombulula iingxaki ezithe ngqo, ukujongana nonobangela wengcambu, endaweni yeempawu nje.

Undoqo kwimpumelelo kukuqaphela kunye nokusukela iingxaki eziqhelekileyo ezinje ngeekhoyili eziqhunyiweyo, iisekethe ezisusiweyo, okanye ukungahambelani kakuhle kwangethuba. Ukuba ayibonwa, le miba inokubangela ukuthotywa kokuthotywa kokusebenza okukhokelela kumonakalo ongapheliyo wexesha elide okanye ukungaphumeleli kwenkqubo ye-eriyali. Ukugcinwa kwesiqhelo kunye nokuqwalaselwa kweenkcukacha ngexesha lokusombulula ingxaki kuya kubamba uninzi lwezi ngxaki ngaphambi kokuba zivele, ukugcina eyakho ikhoyili ye-antennas ukusebenza ngobuchule obukhulu. Ngenxa yoko, ukubandakanya ezi zenzo kwiprothokholi yokusebenza yolawulo lwenkqubo ye-eriyali akuboneleli nje ngokusebenza okuphuculweyo, kodwa kwandisa kakhulu ubomi benkonzo obuluncedo kula malungiselelo abalulekileyo.

FAQ

Yintoni i ikhoyili ye-antennakwaye isebenza njani?

An i-eriyali ikhoyiliyinxalenye ebalulekileyo yeenkqubo zonxibelelwano ezingenazingcingo eziguqula imisinga yombane ibe ngamaza e-electromagnetic and vice versa, ukwenzela ukuba iisignali zikwazi ukusasazwa kwaye zamkelwe kwiifrikhwensi ezahlukeneyo. Indlela esebenza ngayo ilula: njengoko umbane uhamba ngocingo lwekhoyili uvelisa umhlaba wemagnethi, kwaye loo nkqubo idala intsimi yemagnethi kwindawo engqongileyo. Yinkqubo ebuyiselwa umva, ke icoil ikwanakho ukucholachola amaza ombane angenayo kwaye iwaguqule abe yimisinga yombane.

Zeziphi ezona ntlobo ziphambili zeekhoyili ze-eriyali kunye nokusetyenziswa kwazo okuqhelekileyo?

I ikhoyili ye-antennas ezisetyenziswa kakhulu yi solenoid, toroid, kunye ne planarikhoyili ye-antenna. Iikhoyili ze-Cylindrical solenoid zisetyenziswa kakhulu kwii-radio transmitters kunye nee-RFIDs. Phakathi kwezinye iintlobo zeekhoyili, iikhoyili ze-toroidal (i-donutholeashaped) zisetyenziselwa njengesisombululo esona sisombululo sokunciphisa ukudibanisa kwe-inductive kwi-field magnetic yangaphandle kwi-compact design. Iikhoyili ezicwangcisiweyo zezi, iikhoyili ezisicaba kunye nezijiyileyo ezisetyenziswa kwizicelo ezibaluleke kakhulu kwisithuba kunye nokunyuswa komphezulu.

Kwenziwa njani ukwenziwa kwe- ikhoyili ye-antennaichaphazela ukusebenza kwayo?

Amandla a ikhoyili ye-antennainokugcina kwintsimi yayo yamagnetic, kwaye ngoko ke ukusebenza kwayo kokuhanjiswa kunye nokwamkelwa, kubonakaliswa yi-inductance yayo. I-inductance enkulu ithetha ukuba ikhoyili inokugcina amandla amaninzi; oku kukulungele ukusebenza ngokubanzi kwekhoyili ekugqithiseni umqondiso kunye nokwamkelwa.

Yiyiphi indima edlalwa kwijiyometri yekhoyili? ikhoyili ye-antennaukusebenza?

Ijometri yekhoyili ye-antenna, efana nobubanzi kunye nobude bekhoyili, kunye ne-winding pitch, inefuthe elibonakalayo kwi-inductance enokuba nefuthe elibalulekileyo kwiimpawu zefrikhwensi. Ngokomzekelo, ukunyuka kwedayamitha eyongeziweyo yekhoyili ejikelezayo kunokunyusa i-coil inductance, enokuthi iququzelele ukwamkelwa kwi-frequencies ephantsi, kunye ne-pitch yokunciphisa i-winding inokunyusa i-Q yekhoyili, kwaye i-Q inokugqiba ukukhetha kunye novelwano lwekhoyili.

Ukhetho lwezinto eziphathekayo luchaphazela njani ikhoyili ye-antennaukusebenza kakuhle?

Uhlobo lwemathiriyeli yokuqhuba, efana nobhedu okanye i-aluminium, kunye nezinto eziphambili (umoya, i-ferrite, okanye ezinye izinto ezinomagnetic) zichaphazela ngokuthe ngqo ukusebenza kunye nobuchule obusebenzayo besixhobo. ikhoyili ye-antenna. Phakathi kwezi zixhobo, izinto eziqhubayo ezinokuchasana okuphantsi zinenzuzo yokunciphisa ukulahleka kwamandla, ngelixa izinto eziphambili zichaphazela i-inductance kunye nokuphendula rhoqo kwekhoyili.

Zizuza njani izixhobo zokulinganisa kunye nemodeli ikhoyili ye-antennauyilo?

Ukulinganisa kunye neendlela zokwenza imodeli yinxalenye ebalulekileyo ye ikhoyili ye-antennainkqubo yoyilo; obu buchule buvumela abayili ukuba benze umfuniselo wenyani kwiijiyometri ezahlukeneyo zekhoyili, iiparamitha zezinto, kunye noqwalaselo. Ngokuqikelela ukusebenza ngaphambi kokwenza inxalenye yomzimba, ezi zixhobo zizisa ukuthengisa uyilo olutsha ngokukhawuleza nangeendleko eziphantsi, kunye neengxaki zophuhliso ezimbalwa ekuqaleni komjikelo woyilo.

Yintoni ukubaluleka kokulungelelanisa kunye nokudibanisa kuyilo lwe-eriyali?

Uhlengahlengiso kunye nokuhambelana zicelo eziphambili ekuyileni ii-eriyali zowona mandla ophawu asebenzayo. Ukulungelelanisa kwenza i-eriyali ivakale ngokuphindaphindiweyo komdla wokwamkelwa ngcono kunye nokuhanjiswa, ngelixa ukuthelekisa kugxininise ekuziseni ukuthintela kwe-eriyali kunye nomthwalo wayo kumgca ukunqanda ilahleko yamandla kunye nokuphucula ukusebenza kakuhle kwenkqubo iyonke.

Ulwamkelo lwesiginali lunokwandiswa njani kwiikhoyili ze-eriyali?

Ukuphucula ulwamkelo lomqondiso kunokufezekiswa ngeendlela ezinjengokuyila i-eriyali ukuba ijongwe ngokufanelekileyo kwaye ibe kufutshane nemathiriyeli ye-dielectric ekumgangatho ophezulu, ukusebenzisa i-dielectrics yomgangatho ophezulu onyukayo ukunciphisa ilahleko yomqondiso, kunye nokusebenzisa ubuchule obufana ne-resonant multi-resonant frequencies or beamforming technology. Amanyathelo anjalo anokunyusa ukwamkela ngokunciphisa ukuphazamiseka, ukugxila kwinzuzo ye-eriyali, kunye nokuphucula ukusebenza kakuhle.

Kubandakanya ntoni ukugcinwa kweekhoyili ze-eriyali?

Aikhoyili yentennaukugcinwa kungaphezulu nje kwemeko yokuhlola ngokubonakalayo iikhoyili zomonakalo; kukwabandakanya ukuqinisekisa ukuba lonke uqhagamshelo lombane luqinile kwaye alunanto i-oxidation okanye i-corroding, kunye nokujonga ngamanye amaxesha ukulungiswa kunye nesetingi ezihambelanayo kwi-eriyali. Ukugcinwa kwesiqhelo kuyafuneka ukuze kugcinwe ulwamkelo olululo nokuhanjiswa komqondiso.

Kufuneka kujongwe njani iingxaki kwiikhoyili ze-eriyali?

Ukucombulula ingxakiikhoyili ye-antennas, kufuneka usebenzise indlela ecwangcisiweyo eqala ngeetshekhi ezisisiseko ezimbalwa (umzekelo, zonke iindibano ziqinile kwaye i-eriyali ibekwe ngokufanelekileyo). Izixhobo ezongezelelweyo zokuxilonga ezikumgangatho ophezulu, ezinje ngesihlalutyi sothungelwano, mhlawumbi zisetyenziselwa ukufumanisa iingxaki ezinje nge-de-tuning okanye i-impedance mismatch kwaye zalathise iinzame zokusombulula ingxaki kwingcambu.