umkhiqizo

umkhiqizo

Ungakhetha kanjani umongo we-inductor wemodi evamile?

Incazelo emfushane:

Ulayini wamandla we-CM chokes ususa i-EMI ngama-voltage aphezulu wokuhlukanisa ukuze ahlangabezane ne-FCC, i-CISPER, namanye amazinga e-EMI/RFI.

Isihlungi somugqa wenhlanganisela siminyanisa isihlungi semodi evamile (CM) kanye nomsindo wemodi yokuhlukanisa (DM) engxenyeni eyodwa.


Imininingwane Yomkhiqizo

Omaka bomkhiqizo

Ungakhetha kanjani umongo we-inductor wemodi evamile?,
,
Ulayini wamandla we-CM chokes ufinyelela ukucindezelwa okuphezulu kokuphazamiseka kwe-asymmetric, ngisho nasezindaweni eziphansi zamafrikhwensi.Ungayibukeli phansi imiphumela ye-parasitic uma usebenzisa ukuminya kwemodi evamile.Leli bekuyiphuzu elibaluleke kakhulu lokunciphisa lezi zinkokhelo lapho kwakhiwa uchungechunge lwe-WE-CMB.I-core / winding-ratio ephelele inika amandla imisinga ephezulu kakhulu ezindaweni eziqhathanisekayo, noma kanjani i-inductance yanele.I-wire gauge elungisiwe ibona ukushisa okuphansi.

Izinzuzo:

1. Umklamo ohlangene kakhulu

2.Umkhiqizo wenze ngezifiso ngokusho kolwazi oluyisisekelo oluvela konjiniyela bakho.Isikhathi sokuhola esisheshayo sesampula.

3.Amazinga aphezulu okuphepha nokuthembeka

4. Ukuhlunga amasignali okugxambukela we-electromagnetic mode evamile

5.Kuwusizo kuhlelo lokusebenza oludinga ukuthi inductance ihluke ngezinguquko zamanje zomthwalo.

6.Self electromagnetic shielding.Isicelo esilula sokuguqula ibhodi le-PC.

7.Yakha ku-ROHS ukuthobelana.

Empeleni i-inductor yemodi evamile iyisihlungi esinezinhlangothi ezimbili: ngakolunye uhlangothi, kufanele ihlunge ukuphazanyiswa kwemodi evamile kagesi emugqeni wesignali, futhi ngakolunye uhlangothi, kufanele izicindezele ekukhipheni ukuphazamiseka kazibuthe ukugwema ukuthikameza okujwayelekile. ukusebenza kwezinye izinto zikagesi endaweni efanayo ye-electromagnetic.

Ama-inductors emodi evamile anokufinyeleleka okuphezulu kakhulu kwasekuqaleni, i-impedance enkulu kanye nokulahlekelwa kokufaka ngaphansi kwamandla kazibuthe womhlaba, futhi anomthelela omuhle kakhulu wokucindezela ekuphazamiseni, futhi abonisa izici zokulahlekelwa kokufaka okungenayo i-resonance ebangeni elibanzi lefrikhwensi.I-permeability yokuqala ephezulu: izikhathi ezingu-5-20 ze-ferrite, ngakho-ke inokulahlekelwa okukhulu kokufaka, futhi umphumela wayo wokucindezela ekuphazamisekeni kwe-conduction mkhulu kakhulu kune-ferrite.

Usayizi nobukhulu:

Ubukhulu nobukhulu

Into

A

B

C

D

E

F

G

Usayizi(mm)

14 Max

10.5Ubukhulu

16Ubukhulu

3.5±0.5

4.5±0.3

10±0.3

0.7±0.2

Izakhiwo zikagesi:

Izakhiwo zikagesi

Into yokuhlola

Okujwayelekile

I-inductance

WL W2

1.95111H Min@10KHz 0.05V SER @25°C

Amatheminali anamachashazi

1.4

Isilinganiso sokuphenduka

Wl, W2

1:1

I-Hi-Pot

Wl.W2

Akukho ukuhlukaniswa kwe-1000XAC 2mA 2S

Isicelo:

1.Amandla kagesi.

2.Umugqa wamandla ngaphakathi nesihlungi esiphumayo, ukushintsha ukunikezwa kwamandla.

3.Okufakwayo kwelayini yamandla kanye nesihlungi esiphumayo

4. Ukucindezelwa kokuphazanyiswa komsakazo ezimotweni

I-5.TV nezinto ezilalelwayo, ama-buzzers namasistimu we-alamu.

6. Kwenzelwe amasignali aqhumayo

7.Ukucindezelwa kokuphazanyiswa komsakazo kumamothoLapho kukhethwa indikimba kazibuthe yesixhumi semodi evamile, umumo, usayizi, ibhendi yefrikhwensi esebenzayo, ukukhuphuka kwezinga lokushisa kanye nentengo kufanele kucatshangelwe.Ama-cores kazibuthe asetshenziswa kakhulu amise okwe-U, amise okwe-E kanye ne-toroidal.Uma sikhuluma nje, ama-toroidal cores ashibhile ngoba i-toroid eyodwa kuphela engenziwa.Ezinye izimo zama-magnetic cores kumele zibe nokupheya okuzosetshenziselwa ama-inductors emodi evamile, futhi lapho akha, kucatshangelwa ukubhanqa kwama-cores amabili kazibuthe, kuyadingeka ukwandisa inqubo yokugaya ukuze kutholwe ukufinyeleleka okuphezulu kazibuthe.Ngakho;uma kuqhathaniswa nezinye izimo ze-magnetic cores, ama-toroidal cores anokufinyeleleka okuphezulu okusebenzayo kazibuthe, ngoba lapho amapheya amabili ezimongo kazibuthe ehlanganiswa, umcimbi wegebe lomoya awukwazi ukuqedwa kungakhathaliseki ukuthi umsebenzi wenziwa kanjani, ngakho-ke amandla kazibuthe asebenzayo aphakeme lokho kwengqikithi eyodwa kazibuthe emise okuvaliwe.Ingqikithi kufanele ibe phansi.


  • Okwedlule:
  • Olandelayo:

  • Bhala umyalezo wakho lapha futhi usithumelele wona