Alakaʻi Inductance Coil: Pehea e hana ai a me ke kumu he mea nui ia
Hoʻomaopopo i nā Coils Inductance: Nā Kumu
Introduction to Inductance
ʻO ka induction kahi ʻāpana kumu o kahi kaapuni uila e ana i ka hiki o ke kaapuni ke mālama i ka ikehu ke hoʻokele ʻia ke au ma ke kaapuni. ʻO ka manaʻo ma aneʻi ʻo ka electromagnetic induction i loko o kahi conductor: ua hoʻololi ʻia kahi manawa, ʻike ʻia kahi volta ma luna. Hoʻohana nā mea i ʻike ʻia he inductors a inductor coils i kēia hana. Hana ʻia lākou me kahi uwea i ʻōwili ʻia a puni kahi kumu i hiki ke ea, hao a i ʻole kekahi mea magnetic. ʻO ka helu o ka huli ʻana a me ka mea kumu nā mea hoʻoholo mua o ka inductance o ka inductor. He mea nui ka ʻike i ke ʻano o ka hana inductance no ka hoʻomaopopo ʻana i ka hana ʻana o nā inductors i nā noi uila ʻē aʻe.
Nā ʻāpana o kahi Inductance Coil
ʻO kahi wili o ka inductance he uea conductive i wili ʻia i loko o kahi ʻōwili a me kahi kumu kahi i ʻeha ai ka uea. ʻO ka ʻāpana hoʻokele paha he uea keleawe, hoʻohana nui ʻia kahi uea keleawe ma muli o kona maikaʻi uila a me ka hiki ke hana. Hiki ke ʻokoʻa ka mea kumu ma luna o kahi ākea ma muli o nā ʻano makemake o ka inductance coil a hiki ke hoʻohana i ka ea, ferrite, hao a me ka pauka hao e like me ke kumu kumu. No ka mea he ʻokoʻa ka magnetic permeability kēlā me kēia, hoʻohuli lākou i ka inductance coil i kēlā me kēia. Eia ka papaʻaina no nā mea kumu maʻamau a me kā lākou Relative permeability.
| Mea Kumu | Pili pili | Hoʻohana maʻamau |
| Ea | 1 | Nā noi alapine kiʻekiʻe |
| Ferrite | 1,000 – 15,000 | Laulā ākea, mai RF a hiki i ka uila uila |
| hao | 200 – 10,000 | Nā mea hoʻololi mana, nā inductors |
| Silika kila | 4,000 – 6,000 | Nā noi mana AC, nā core motor |
| Metala Amorphous | 10,000 – 20,000 | Nā mea hoʻololi kiʻekiʻe |
ʻO ke kuleana o ka Inductance Coils ma nā Kaapuni
ʻO nā coils inductance nā mea nui i nā kaapuni uila no ka mea hiki iā lākou ke mālama a hoʻokuʻu i ka ikehu, nā hōʻailona kānana, hāʻawi i kahi kaʻawale. Ke hele ka uila ma o ka inductor, hana ʻia kahi māla magnetic a puni ka coil. Hiki i kēia mālama ʻana i ka ikehu ke hoʻihoʻi i ka ikehu i ke kaapuni inā pono, a kōkua i ka hāʻawi ʻana i ka mana kūpono o nā ʻano like ʻole o ka mana. Hoʻohana ʻia nā inductors i nā kānana e ālai i ka leo kiʻekiʻe a ʻae i nā hōʻailona pololei (DC) a me nā hōʻailona haʻahaʻa. Hoʻohana ʻia lākou i nā transformers e hoʻololi i ka mana ma waena o ʻelua a ʻoi aku paha kaʻapuni me ka ʻole o ka hoʻohana ʻana i nā pilina. I kēia ʻatikala, pono ka wehewehe kikoʻī o ke ʻano o nā coils inductance no ka hoʻolālā ʻana a me ke ʻano hoʻohālike o ka nui o nā mea uila a me nā ʻōnaehana.
Nā ʻano o ka Inductance Coils
Nā Koʻi Koko Lewa vs
Ea a me ka hao inductance coils - nā ʻano kumu ʻelua o ka hoʻolālā i ka wā e hiki mai ai i ka honua o electromagnetics. ʻO Air coreInductors.Wikipedia Wehewehe ʻO nā wili kumu ea (ʻo ia ka ea ko lākou kumu kumu) hoʻohana i ke kumu o ka inductance a ʻo ia hoʻi ke ʻano maʻalahi o ka inductor. No ka loaʻa ʻole o ka ferromagnetic core, ʻaʻole lākou e like me ka saturation core a ʻaʻohe poho hysteresis a no laila pono lākou i nā noi kiʻekiʻe (e like me ka hoʻouna lekiō). Ma ka hoʻohālikelike ʻana, ʻo ka coil core iron ka mea i loaʻa i kahi mea ferromagnetic e hoʻonui nui i ka inductance o ka coil i ka pane ʻana i nā ʻano magnetic o ka mea kumu. ʻO kēia ka mea i ʻoi aku ka maikaʻi o ka hoʻololi ʻana i ka mana a me ka mālama ʻana i nā noi akā ʻo ia ka pōʻino i ka wā e hoʻonui ai i nā poho i hoʻokumu ʻia e nā au eddy a me ka hysteresis ʻoi aku ka nui o ka ʻāina kiʻekiʻe.
Nā Coils Inductance Hoʻololi
Hāʻawi ʻo Variable Inductance Coils i ka manawa e hoʻololi i kona waiwai inductance a hoʻohālikelike iā ia me ka pono o ke kaapuni e hāʻawi i ka hana maikaʻi loa. ʻO ia mau wili maʻamau he sliding-core i hiki ke hoʻoneʻe ʻia e hoʻololi i ka pili o ke kumu me nā wili o ka coil, a pēlā e hoʻololi ai i ka pilina o ka flux magnetic a no laila inductance. He mea koʻikoʻi kēia tunability i ka lekiō a me ka transmitter kahi e hoʻolohe pono ai ke kaapuni i ke ala e wehewehe ai i ke alapine, a i ʻole kahi kānana e pono ai ke hoʻolohe pono.
He maʻalahi ka manaʻo o nā coils inductance variable; ma ka hoʻoneʻe ʻana i ke kumu ua hoʻololi ʻia nā waiwai magnetic coil a hiki ke hoʻokani a puni me ka ikaika. ʻO kēia maʻalahi e hoʻohana pono iā lākou i ka uila kahi e komo ai nā alapine hoʻololi, akā hoʻonui i ka paʻakikī mechanical a me ka manawa o ka lole.
Nā Coils Kūikawā
Hoʻolālā ʻia nā coils inductor maʻamau e hoʻokō i nā koi kikoʻī o nā noi ʻaʻole kūpono i nā hoʻolālā ea maʻamau a i ʻole iron core inductor hoʻolālā. Hiki i kēia mau mea ke komo i nā windings toroidal, e hāʻawi ana i ka hana ʻoi aku ka maikaʻi a me ka EMI haʻahaʻa ʻoiai he hoʻolālā loop i hoʻopaʻa ʻia a i ʻole e hana ʻia ma ke ʻano he multi-layer coil hiki ke loaʻa i kahi waiwai inductance kiʻekiʻe i loko o kahi leo liʻiliʻi. Aia kekahi ʻano coil i paʻi ʻia ma nā papa kaapuni paʻi (PCB) a hoʻokomo ʻia i waena o nā papa PCB e mālama i ka lewa a hāʻawi i ka maʻalahi no ka hoʻolālā kaapuni. ʻO kahi ākea o nā coils kūikawā e hiki ai i nā hoʻonā pilikino no ka nui o nā noi. No ka laʻana, hoʻohana ʻia nā coils toroidal i nā lako mana a me nā mea hoʻololi ke loaʻa ka wahi i ka premium a he mea koʻikoʻi ka hana, a maʻamau ka PCB coils i nā kaʻa hoʻohui a me RFID. He hōʻike kēia ʻano like ʻole i ka versatility o nā coils inductance i nā koi o nā pilikia ʻenehana pilikino.
Pehea e hana ai ka Inductance Coils
Hanana Mākēneki
I ka hele ʻana o ke au uila i loko o kahi coil inductance, ua hoʻokumu ʻia kahi māla magnetic a puni ia. He hopena kēia o nā loina o ka electromagnetism, e like me ka neʻe ʻana o nā uku uila, ʻo ia hoʻi, nā au, e hoʻohua i nā māla magnetic. Hoʻokumu ʻia ka nui a me ke kuhikuhi ʻana o kēia māla magnetic i ka nui o ke au a me ke kuhikuhi o ke kahe o kēia manawa. Ma muli o kā lākou hoʻolālā ʻana, hoʻonui ka inductance coils i kēia ʻano, ma ka wili wale ʻana i ka uea a ma ka hana ʻana pēlā e hoʻonui ai i ka māla magnetic, e ʻoi aku ka ikaika i ka hoʻohui ʻia ʻana o kēlā me kēia coil. He mea koʻikoʻi kēia māla magnetic i nā coils inductance i nā ʻōnaehana uila he nui ia e hana i ka ʻenehana kumu o nā electromagnets, transformers, a me nā inductors i nā kaʻa uila.
Inductance ma AC a me DC kaapuni
He ʻokoʻa loa ka hana o kahi inductor i ka AC a me nā kaapuni DC. Inā hoʻohana ʻia kahi uila DC, ma hope o ka hoʻokumu ʻia ʻana o nā laina kahua electromagnetic a puni ka coil, kūʻē ka inductance i nā loli i kona manawa ma o ka hoʻemi ʻana i ka ikehu hiki ke mālama ʻia i loko o ka māla magnetic. Akā naʻe no ka loli ʻole ʻana o DC, puka ka mana o ka pae inductance ma hope o kekona. I ke kaapuni alternating current (AC), akā naʻe, kahi e loli mau ai ka nui a me ke kuhikuhi o kēia manawa, ʻoi aku ka ikaika o ka inductance. Ke hoʻomau nei ka hakakā ʻana i kēia mau hoʻololi a ʻo ka hopena he manawa lōʻihi ma waena o ka volta a me ka manawa i kapa ʻia ʻo inductive reactance. He mea koʻikoʻi kēia kumumanaʻo i ka kahe mana a me ka kānana hōʻailona ma waena o nā ʻōnaehana uila a me nā ʻōnaehana uila.
Nā Laʻana a me nā Laʻana
He mea maʻamau nā coils inductor i nā ʻenehana a me nā mea uila i kēlā me kēia lā. He hana koʻikoʻi lākou i nā mea hoʻololi a kōkua i ke kākoʻo ʻana i nā mea āpau mai nā mea hoʻoili a hiki i nā mana mana ma ke kāohi ʻana i nā pae uila. Ma nā leo uila, pale lākou i ka walaʻau makemake ʻole a hōʻoia i ka maopopo. ʻO nā kaʻa a me nā mea hoʻohana nā mea hoʻohana nui i nā coils inductance no ka hoʻololi ʻana o ka uila i ka ikehu mechanical a me ka hope. ʻO kekahi mau coils inductance maʻamau a me kā lākou mau noi e like me ka papa inoa ma ka papa aʻe:
| ʻAno | Palapala noi | Pōmaikaʻi | Ka noonoo ana |
| Kūlana (Solenoid) | Manaʻo Nui | Hoʻolālā maʻalahi, maʻalahi | Nui no ka inductance kiʻekiʻe |
| Air-core | Ka Lekiō | Pohō haʻahaʻa ma ke alapine kiʻekiʻe | Palena inductance palena |
| Ferrite-core | Nā mea hoʻololi mana | Hoʻoikaika kiʻekiʻe | Saturation kumu a me ka wela |
| Toroidal | Lako Leo | Kiʻekiʻe magnetic pono, haʻahaʻa EMI | ʻO ka wili paʻakikī, ʻoi aku ka paʻakikī o ka hana ʻana |
Hoʻolālā a kūkulu ʻana i kāu Inductance Coil ponoʻī
Pono nā mea hana a me nā mea hana
ʻO ke kūkulu ʻana i kahi coil inductance e hōʻiliʻili i nā mea a me nā mea hana. ʻO ka uea ka mea nui loa a ʻo ia ka mea maʻamau enameled uea keleawe no kāna mau conductivity kiʻekiʻe a me nā waiwai insulating. ʻO ke kumukūʻai o ka inductance o ka coil e hilinaʻi nui ʻia i ka mea kumu mai ka ea a ferrite. A me ka wili e wili ai i ka uwea, ka hao hao no na mea pili, a me ka lipine insulation e hooponopono ai i na wili. Pono ʻoe i kahi ohmmeter, akā he mea nui hoʻi ka multimeter e ana i ke kūpaʻa coil a me ka inductance.
| Mea/Mea | wehewehe | Ka nui |
| Uea keleawe Enameled | No ka wili i ka wili | ʻokoʻa |
| Ferrite / Air Core | No ka lawelawe ʻana ma ke ʻano he kumu magnetic o ka coil | 1 |
| hao hao | No ka hana ʻana i nā pili uila | 1 |
| Lipine hoʻomāmā | No ka hoʻopaʻa ʻana a me ka hoʻopili ʻana i nā pilina | 1 owili |
| Na Oki Uea | No ka ʻoki ʻana i ke kaula keleawe i ka lōʻihi i makemake ʻia | 1 |
| ʻO ka ʻumi ʻumi | No ka ho'āʻoʻana i ke kū'ē a me ka hoʻomau | 1 |
Alakaʻi ʻanuʻu i ka
He paʻakikī loa ka hana ʻana i kahi coil inductance. ʻO ka mea mua, e hoʻoholo i ka helu o nā wili i makemake ʻia e hōʻea i kāu inductance i manaʻo ʻia (hiki iā ʻoe ke noʻonoʻo ma o nā calculators pūnaewele a i ʻole formula). E hoʻomaka me ka hoʻopaʻa ʻana i kekahi ʻaoʻao o ka uea keleawe enameled i ke kumu. E hoʻopili pono i ka uwea a puni ke kumu; pehea kou maikaʻi i ka wiliwili e hoʻoholo i ka hopena. Ke pau ʻoe i nā wili, hoʻopaʻa pū i ka hopena me ka lipine. A laila e wehe i ka hoʻokuʻu ʻana mai nā ʻaoʻao ʻelua o ka uea ʻeha me ka mea wehe uea a i ʻole ka pahi ʻoi me ka mālie. E kūʻai aku i kēia mau ʻōlelo aʻoaʻo i kāu kaapuni a i ʻole kāu hāmeʻa e hana i kahi pilina uila paʻa. ʻO ka hope, e nānā i ka inductance o ka coil me ka hoʻohana ʻana i ka multimeter e hōʻoia i ka lawa.
FAQ
He aha ka inductance?
ʻO ka inductance kahi waiwai o kahi kaapuni uila. He ana pololei ia o ka nui o ka uku uila i hiki ke mālama ʻia no ka pono uila i hāʻawi ʻia. Hoʻopili ʻia ia i ka induction electromagnetic, kahi e hoʻohuli ʻia ai kahi au e ka hoʻololi ʻana i ke kahua magnetic a puni ka conductor.
He aha ke ʻano o nā coils inductance?
Hoʻokumu ʻia nā wili no ka inductance ma ka wili ʻana i kahi uea conductor, maʻamau o ke keleawe, ma ke ʻano o kahi ʻōwili e pili ana i kahi kumu. Hiki ke hoʻokumu ʻia ke kumu me ka ea, ferrite, ka hao a i ʻole ka pauka hao, ʻo kēia mau mea e hoʻoikaika i ka waiwai inductance o ka coil, no ka mea, pili lākou i ka permeability magnetic o ka coil.
Pehea e hana ai nā coils inductance i nā kaapuni?
Hoʻohana ʻia nā mea hoʻokomo i nā mea hoʻohuihui i hoʻohana ʻia i nā mea mālama ikehu (e laʻa i nā lele lele), nā mea hoʻopili kānana (e laʻa i nā kānana vector), a me nā inductors i hoʻohana ʻia no ka hoʻokaʻawale ʻana i nā sub-circuits. Hoʻokumu ʻia kahi māla magnetic e ka mea e hele ana i kēia manawa ma kahi inductor a hiki ke hoʻokuʻu hou ʻia ka ikehu i mālama ʻia ma ke kula a i ʻole ma ke kahua magnetic i ke kaapuni. Hōʻole lākou i ka leo alapine kiʻekiʻe i ka wā e ʻae ana i ka DC a me nā hōʻailona haʻahaʻa haʻahaʻa a hoʻohana ʻia i nā transformers no ka lawe ʻana i ka ikehu a me ka hoʻokaʻawale uila.
He aha ka ʻokoʻa ma waena o ka ea kumu a me ka hao inductance coils?
ʻAʻohe kumu hao a no laila, ʻaʻohe poho saturation magnetic core & hysteresis losses (core losses), pili me ka ferromagnetic core coils a he kūpono ia no ka loaʻa ʻana o kahi no nā noi i nā mea hoʻolele lekiō. ʻO ka hao-core coils nā mea nona ka ferromagnetic core, ka mea e hoʻonui ai i ka inductance a me ka mana-hoʻololi pono no ka nui o ka coil akā e hoʻolauna pū kekahi i nā poho ma muli o nā eddy-currents a me ka hysteresis i nā alapine kiʻekiʻe.
He aha nā ʻōwili inductance hoʻololi?
Hiki ke hoʻololi i ko lākou mau inductances ma muli o ka neʻe ʻana o kahi kumu i mua a i ʻole mai ka wiliwili ʻana, e hoʻololi ana i ka pilina pili magnetic. Pono kēia adjustability no ka hoʻohana ʻana i ka lekiō a i ʻole transmitter.
He aha nā coils inductance kūikawā?
Hoʻohui ʻia i ka coil induction i hoʻolaʻa ʻia me ka noi ponoʻī ʻaʻole i ʻoluʻolu i nā hoʻolālā ea nui a i ʻole nā mea hao. Loaʻa ia mau wili i nā wili toroidal o ka hana kiʻekiʻe a me ka haʻahaʻa haʻahaʻa electromagnetic pollution, a me nā coils multi-layer no ka inductance kiʻekiʻe i ka palena palena. Hoʻohana ʻia nā coils e pili ana i ka PCB no nā kumu hoʻohui (nui) kumu i loko o ka ʻoihana kaapuni i hoʻohui ʻia.
Pehea e hana ai nā coils inductance i kahi māla magnetic?
He wili uila ko ka inductance coil e hele ana ma laila e hoʻohua i kahi mākia ma luna o ka inductance coil. Eia kekahi, ua hoʻonui hou ʻia kēia hopena e ka hoʻolālā coil, nāna e wili i ka uea i loko o kahi spiral, e hoʻonui i ke kahua magnetic ma muli o nā hopena hoʻohui o nā uea huli.
Pehea ka ʻokoʻa ʻana o nā coils inductance i nā kaapuni AC a me DC?
ʻO kahi coil inductance, no ka laʻana, i loko o kahi kaapuni DC e kūʻē i nā hoʻopiʻi i ke kahe o kēia manawa ma hope o ka hoʻokumu ʻia ʻana o kahi kahua magnetic, akā i ka AC ke kūʻē nei ia i kahi ʻano like ʻole, ʻo ia ka helu o ka manawa i hoʻokomo ʻia ma waena o ka volta a me ka manawa, i kapa ʻia ʻo inductive reactance. Mālama kēia hana ikaika i ka hoʻoili mana a me ke kānana ʻana i nā hōʻailona.
He aha nā hoʻohana pono o nā coils inductance?
Hoʻohana ʻia nā coils inductance i nā transformers (no ka hoʻololi ʻana i ka volta), nā uila uila (no ka kānana kani) a me nā mīkini a me nā mea hana (no ka hoʻololi ʻana i ka ikehu). He ʻāpana koʻikoʻi lākou i nā helu o nā lako uila no ka mana mana a me ka hōʻailona hōʻailona.
Pehea ʻoe e hana ai i kāu coil inductance ponoʻī?
No ke kūkulu ʻana i kahi coil inductance, e hōʻiliʻili i kekahi mau lako a me nā mea hana, e like me ka uea keleawe enameled a me kahi mea kumu, hao hao a me kahi multimeter. Ano, e kiʻi i kou helu o huli makemake, a makani i ka uea e like me ka paa a puni ke kumu, fixate na windings, solder kona welau i kou kaapuni a ana i ka inductance o kou coil e ike ina ia i loko o ka laulā e pono ai.