Jagorar Alamar mai Risurta
2024-04-18 11782

Masu tsayayya, da aka saba yankewa a matsayin "r," abubuwan da aka gyara da farko suna ƙuntata kwararar yanzu a cikin reshe na da'ira, suna nuna tashoshin juriya na da'ira kuma yawanci tsayayye biyu.Wannan talifin zai zama a cikin nau'ikan tsayayya, alamomin, da hanyoyin wakilci don samar da zurfin fahimta game da wannan bangaren.Bari mu fara!

A rayuwa ta yau da kullun, ana kiran masu adawa kawai kawai kawai ake kira juriya.Waɗannan abubuwan da aka yi amfani da su da farko suna amfani da kwarara na yanzu a cikin reshe na da'ira, kuma suna zuwa tare da ƙayyadadden tsayayyen ƙayyadaddun kuma yawanci tashoshi biyu.Kafaffun tsayayya suna da darajar juriya na yau da kullun, alhali kuwa kayan aiki ko masu canji za a iya daidaita su.Daidai ne, masu jure masu layi ne na layi, ma'ana halin yanzu ta hanyar mai tsayayya da abin da ke haifar da kai tsaye ga wutar lantarki nan take.Ana amfani da tsayayya masu m forangare don rarraba ƙarfin lantarki, wanda ya shafi daidaitawar juriya ta hanyar motsa lamba ɗaya ko biyu fannoni masu motsi tare da fannoni biyu masu face.

Masu tsayayya suna canza makamashi na lantarki zuwa makamashi mai zafi, nuna halaye-wutan lantarki, yayin da kuma taka leda da rarraba yanzu a cikin da'irori.Ko don siginar AC ko DC, Masu jure masu iya watsa waɗannan da kyau.Alamar mai tsayayya ita ce "r," kuma naúrar ita ce OHM (ω), tare da abubuwan da aka gama gari kamar ƙuraran fitila ko kuma suna dauke da tsoratar da ƙwararrun ƙa'idodin juriya.Bugu da ƙari, girman juriya yana tasiri da kayan, tsawon, zazzabi, da yankin giciye.The yawan zafin jiki aancin bayyana yadda ƙimar tsayayya ke canzawa tare da zazzabi, an ayyana shi azaman kashi ɗaya cikin kashi na digiri.

Tsrorar da ke bambanta dangane da kayansu, gini, da aiki, kuma ana iya rarrabu zuwa nau'ikan manyan nau'ikan.Kafaffun tsayayya suna da darajar juriya wanda ba za a iya canzawa ba, gami da carbon fim ɗin carbon, da kuma mashin fim mai tsayayya.

CarbBBON FIRLIMUmurare masu tsayayya ne ta hanyar ajiye carbon Layer a kan yumbu sanɗaɗɗewa ta hanyar canza kauri daga carbon Layer, ko ta yankan tsagi.Wadannan juriya suna ba da kyawawan halaye, kyawawan halaye masu haɓaka, da ƙarancin zafin jiki.Suna da tsada a tsakiyar zuwa ƙananan masu amfani da kayan lantarki tare da kimantawa na wutar lantarki daga 1 / 8w zuwa 2W, ya dace da mahalli da ke ƙasa 70 ° C.

Fim na fim ɗin, wanda aka yi daga allolin Nickel-Chromium na ƙarancin zafin jiki, babban kwanciyar hankali, da kuma daidaitawa, sa su dace da 125 ° C.Suna samar da ƙananan amo kuma ana amfani dasu a aikace-aikacen da ke buƙatar babban daidaito da kwanciyar hankali, kamar a cikin kayan sadarwa da kayan aikin likita.

Ana ƙirƙira kayan aikin Waya ta hanyar iska ta iska a kusa da Core kuma ana daraja su saboda babban daidaitaccen da kwanciyar hankali, ya dace da aikace-aikacen aikace-aikace.

Mabayen muni, waɗanda za a iya gyara kyawawan dabi'u da hannu ko kai tsaye, sun haɗa da Jotin, Slider, da ƙananan ƙwayoyin guba, ana zartar don sarrafa ƙarar da daidaita ƙura.

Unityungiyoyi masu tsayayya, kamar su na tsinkaye na tsinkaye ko nau'in da ke da ƙarfi, suna ba da takamaiman aiki don kula da canje-canje na muhalli ko kare circu.

Wadannan tsayayya iri-bambancen suna samar da dangi mai tsarki, suna haɗuwa da bukatun fasaha iri daban-daban da kuma yanayin aikace-aikace.

Harafin jure (juriya) da harafin r, tare da naúrar OHM (OHM, ω), an ayyana shi azaman ƙarfin lantarki zuwa yanzu, I.e., 1ω daidai 1 volt a cikin ampere (1V / a).Babban juriya yana nuna digiri wanda ya jagoranci a halin yanzu, tare da dokar Ohm na doka I = u / r, nuna cewa yanzu aiki ne na ƙarfin lantarki da juriya.

Resistance resites sun haɗa da kiloohms (Kω) da Megaohms (Mibe), da kuma raka'a 1 na Gigama, bi da bigai.

A cikin zane-zane na da'ira, ana wakiltar da ƙimar resistance ta hanyar alamar "r" biye da adadin da ke nuna takamaiman ƙa'idodi da daidaito.Misali, R10 ya nuna 10 to hasara.Yawancin lokaci ana bayyana su azaman kashi 100%, ± 5%, da sauransu, da sauransu, da sauransu, suna nuna mafi girman ƙaƙƙarfan ƙuduri.

Hakanan ana iya haɗa samfuran masu tsayayya da abubuwa da fasalulluka na fasaha, suna taimakawa a cikin cikakken zaɓi na tsatsar da ya dace.Teburin da ke ƙasa ya lissafa wasu alamomi da ma'anoni da aka danganta da samfuran tsayayya da kayan, suna taimakawa wajen fahimtar fahimtarmu game da tsawarwarmu.

Manufofin farko da aka yi amfani da su sun haɗa da manyan masu tsaro, daidaici, da ikon sarrafawa.Kwanciyar hankali yana nufin ikon kula da ƙimar juriya a ƙarƙashin takamaiman yanayi, wanda ke da alaƙa da tsarin tsayayya da kayan aikin da fasaha.Precision reflects the deviation of the resistance value from its nominal value, with common precision grades being 1%, 5%, and 10%, etc. High-precision resistors are widely used in precise circuits.

Ikon kula da iko yana nuna matsakaicin ikon mai tsayayya na iya sarrafawa, tare da ƙa'idodi kamar 1 / 4w, da sauransu, waɗanda suke da alaƙa da aikin tsayayya da manyan ayyukan babban iko.

Bugu da ƙari, yanayin tsayayya yana bayyana yadda ƙudurin juriya yana canzawa tare da mita mita, wanda yake yana da matukar mahimmanci a cikin kewayon da'ira mai yawa.Da'awar mitsi mai kyau yana nufin cewa mai tsayayya na iya kula da ingantaccen aiki a duk faɗin mitoci.

Kamar yadda zamu iya gani, masu ƙididdigar gama gari suna nuna girman kwanciyar hankali, babban daidaici, ƙarfin ƙarfin iko, da kuma kyawawan halaye masu kyau.Waɗannan fasal ɗin suna yin amfani da su sosai a cikin da'irar lantarki daban-daban, waɗanda ke iya haɗuwa da bukatun waɗannan da'irori.

Ana iya wakiltar tsayayyen tsayayya a cikin zane mai da'awa ta hanyar alamomi mai kusurwa mai sauƙi, kamar yadda aka nuna a ƙasa:

Lines suna ƙaruwa daga ƙarshen alamar alama tana wakiltar filayen hadayar da rikici.Wannan daidaitaccen hoto yana sauƙaƙe kwatancen mai rikitarwa na rikicewar cikin ciki, yana sauƙaƙe karatu da fahimtar zane-zanen kewaye.

Ana nuna tsayayya a cikin ƙirar da'ira ta hanyar ƙara kibiya zuwa alamar juriya don nuna cewa za a nuna juriya a cikin daidaitaccen alamar tsayayya da mai canzawa:

Alamar ta bayyana a fili tsakanin fil guda biyu da aka gyara da kuma firam daya (a zahiri), ana nuna shi ta "RP" don masu adawa da su.Alamar more alamomi na gargajiya mai hangen nesa, wanda ya gani ya nuna ka'idar daidaitawa da ainihin haɗin ta a da'ira, ana nuna inda ɓangaren da aka fi dacewa da shi, gajeriyar filayen da ya daidaita zuwadaidaita darajar juriya.

Wata alama da aka nuna a ƙasa ana amfani da shi don poten -iyel, inda mai canzawar mai canzawa yana da filaye uku masu zaman kansu da ayyuka:

Saiti saye masu tsayayya da nau'in canji na musamman wanda aka tsara don farko saita takamaiman tsarin resistances a cikin da'irori.Ana daidaita waɗannan rijiyoyin da sikelin, suna da inganci, sune tsada, kuma ta haka ake amfani da su a cikin ayyukan lantarki don rage farashin kuɗi da haɓaka haɓakar tattalin arziƙi.

Saitare masu tsayayya ba kawai daidaita yanayin aiki na da'irori amma kuma yana da kariya ga abubuwan da suka dace sosai a cikin da'irori, kamar masu ɗaukar hoto da DC.Sun yi wannan ta hanyar iyakance manyan kuɗin caji waɗanda zasu iya faruwa a Power-up, suna guje wa wuce kima na yanzu zai iya haifar da lalacewar City.Alamar don saiti mai tsayayya an nuna a ƙasa:

A cikin ginin tukwici, yawanci ana fallasa kashi ɗaya, kuma ana sanye da kayan lambobin ƙarfe ɗaya ko biyu.Matsayin waɗannan lambobin sadarwa akan kashi ɗaya na tsayar halitta suna ƙayyade juriya daga ƙarshen ƙarshen ɓangaren zuwa lambobin sadarwa, don haka yana shafar fitarwa harsasai.Ya danganta da kayan da aka yi amfani da shi, potenwararrun za a iya raba shi cikin rauni na waya, fim ɗin carbon, da nau'ikan m.Haka kuma, za'a iya rarrabewa da potentiometer cikin layi da misgithmic na tushen dangantaka tsakanin fitarwa da shigarwar wutar lantarki da kusurwar juyawa.Nau'in Linear Canja fitarwa son wutar layi tare da kusurwa na juyawa, yayin da loogithmic na canza ƙarfin lantarki a cikin yanayin da ba a bayyana ba.

Parmiallan sigogi sun haɗa da darajar juriya, haƙuri, da kuma ƙimar ƙarfi.Alamar halayyar ta Potentartomet ta Potentartometer "RP", inda "r" ke tsayayya da Sishefix "p" yana nuna daidaituwarsa.Ba a yi amfani da su azaman masu wutar lantarki ba amma kuma don daidaita matakin wutar Laser shugabannin.Ta hanyar daidaita hanyar zamewa ko injin juyawa, ƙarfin lantarki tsakanin motsi da kuma tsayayyen lambobin za'a iya canza su a matsayin matsayi, sanya Troventiometer manufa don daidaitawa rarraba wutar lantarki a cikin da'irori.

Thermistors suna zuwa cikin nau'ikan biyu: tabbatacce zazzabi mai dacewa (PTC) da mara kyau zazzabi mai dacewa (NTC).Na'urorin PTC suna da ƙananan juriya a yanayin zafi na yau da kullun (en ohms kaɗan ga dubun da ke cikin seconds, ana amfani da su a farkon farawa, demagnozation,kuma fis da'irar.Tufofin ta ba da izini, NTC na'urorin suna nuna tsananin juriya a yanayin yanayin yau da kullun (da yawa ga dubunnan zazzabi da keɓaɓɓe da keɓaɓɓe na lantarki (kamar kwandishan da firiji).

Juriya na daukar hoto yana da girman kai ga tsananin haske.Yawanci, juriyarsu na iya zama babba kamar dubun da dama na kiloohms a cikin duhu, kuma sauke zuwa wasu 'yan dubunnan ohms a ƙarƙashin yanayin haske.Ana amfani da galibi ana sarrafa su a cikin sauyawar mai sarrafawa, ƙididdige da'irori, da tsarin sarrafa wutar lantarki masu yawa.

Bambi suna amfani da halaye marasa ƙarfi na rashin ƙarfin lantarki don kariya ta wutar lantarki a cikin da'irori, da kuma shan volttages, da kuma sha wuce haddi bangarorin.Wadannan magunguna galibi ana yin su ne daga kayan semiconductor kamar zinc oxide (ZnO), tare da kyawawan dabi'u waɗanda suka bambanta da ƙarfin lantarki, ana amfani da su don ɗaukar ƙwayoyin lantarki.

Humidity-sensitive resistors work based on the moisture absorption characteristics of hygroscopic materials (like lithium chloride or organic polymer films), with resistance values decreasing with increasing environmental humidity.Ana amfani da waɗannan magunguna a aikace-aikacen masana'antu don saka idanu da sarrafa yanayin muhalli.

Gas-da tsayayya da masu shari'ar da suka gano abubuwan da aka gano gas da sigina a cikin siginar lantarki, da farko sun hada da semberi na sempide.Ana amfani da waɗannan na'urori don sa ido kan tsarin ƙarar muhalli da amincin aminci don gano maida hankali na gases masu cutarwa da kuma zubar.

Magneto masu tsayayya suna canza juriya game da martani ga v ariat ions a cikin filin sihiri na waje, halaye da aka sani da sakamako Magnetesistance sakamako.Waɗannan abubuwan haɗin suna ba da cikakken bayani don auna ƙarfin filin magnetic da kuma hanya, ana amfani dashi wajen sanya kayan aiki.

Hanyoyin alamomin yin tsayayya da ƙimar tsayayya da ƙimar tsayayya da iri huɗu: Marking na kai tsaye, alamar hanyar dijital, kowanne tare da halayenta na daban daban.

Wannan hanyar ta ƙunshi lambobi kai tsaye da alamu na naúrar (kamar ω) a kan tsayayya ta, misali, "220ω" tana nuna juriya na 220.Idan babu wani haƙurin haƙuri a kan tsayayya, tsoho na haƙuri na ± 20% yana ɗauka.Amincewa ana wakilta kai tsaye a matsayin kashi dari, bada izinin ganowa mai sauri.

Wannan hanyar tana amfani da haɗakar lambobin Larabci da takamaiman alamun rubutu don nuna ƙuruciya da kurakurai.Misali, sanarwar "105k" inda "105" ke nuna darajar juriya, kuma "k" yana wakiltar haƙuri na ± 10%.Ta wannan hanyar, wani ɓangare na lamba yana nuna darajar tsadar rayuwa, kuma ɓangaren ɓangaren ɓangaren yana da haƙurin haƙuri guda biyu kamar D, F, g, j, k ,, da kuma m.Irin as ± 0.5%, ± 1%, da sauransu.

Ana yin watsi da masu tsayayya ta amfani da lambar lambobi uku, inda lambobi biyu na farko suna wakiltar mahimman lambobi, da kuma lambobi na uku suna wakiltar fall ɗin (yawan zeros bin watsawa.Misali, lambar "473" na nufin 47 × 10 ^ 3ω ko 47Kω.Alamar yawanci ana nuna tare da alamomin rubutu kamar J (± 5%), da K (± 10%).

Masu jure abubuwa suna amfani da launuka daban-daban daban-daban ko dige don wakiltar ƙimar juriya da haƙuri.Lambobin Lake na yau da kullun sun haɗa da baki (0), launin ruwan kasa (1), launin rawaya (3), shuɗi (8), fari (8), fari (8), fari(9), da zinari (na biyu 5%), azurfa (± 10%), da sauransu ƙungiya guda biyu suna wakiltar mahimman lambobi, na uku da ƙarfin goma, da kuma tauraruwa na ƙarshe da haƙuri;A cikin wata ƙungiya biyar da ƙungiya, ƙungiyoyi uku na farko suna nuna mahimman lambobi, na huɗu da banda'in da ke nuna rashin ƙarfi tsakanin biyar da sauran maɗaukaki.

Daga tsayayyen tsoratarwar tsoratarwa, da kuma tsayayya na musamman, kowane nau'in tsayayya yana da kayan aikinta na musamman da kuma wuraren aikace-aikace.Gabaɗaya, bambancin masu tsayayya da ƙa'idodin fasaha a baya ba kawai suna fitar da zurfin fasaha da haɓaka lantarki ba har ma da ci gaba da ci gaba.Fahimtar nau'ikan, halaye, da aikace-aikace na masu rabuwa ne na asali da kuma muhimmanci don masu zanen kaya da masu fasaha.

Idan kuna da wasu tambayoyi ko buƙatar ƙarin bayani, tuntuɓi mu.

Gabaɗaya, ƙididdigar galibi suna wakilta ta hanyar alamomi kamar su r, rn, rf, da fs.A cikin da'irar, alama ta kafaffiyar tsayayye da trimming reseror ne r, kuma alama ce ta Potencinita Rp.

Alamar don 1 kilohm (1kω) ana iya wakiltar da kamar yadda "1K" ko "1kω".Harafin "K" yana nuna prefix na Si "kilo," wanda ke wakiltar yawan dubu 1,000.Saboda haka, "1kω" yana nuna tsayayya da darajar juriya na 1,000.

Wani mai haƙuri ne mai ɗaukar abubuwan lantarki wanda ke ɗaukar juriya na lantarki a matsayin kewayon kewaya.A cikin da'irar lantarki, ana amfani da tsayarwar don rage kwarara na yanzu, daidaita matakan siginar waje, rarrabuwa, abubuwan da suka dace, da kuma dakatar da layin watsa labarai, a tsakanin sauran amfani.