Chii chinonzi resistor? Symbol, Types, Block, Applications
Zviri mukati
A resistor chinhu maviri-terminal passive magetsi chikamu icho hesera magetsi kuramba sechinhu chedunhu kuderedza kuyerera kwemagetsi. Inoshandiswa mumaseketi emagetsi ekuparadzanisa magetsi, kuderedza ikozvino, kudzvinyirira ruzha uye kusefa.
Asi resistor zvimwe zvakawanda kupfuura izvi. Saka kana iwe uri mutsva kune zvemagetsi kana uchingoda kudzidza zvakawanda nezve chii chinopikisa, saka iyi blog positi ndeyako!
Chii chinoita resistor mune yemagetsi dunhu?
A resistor chinhu chemagetsi control kuyerera kwezvino mumutambo uye kupikisa kuyerera kwemagetsi. Resistors inodzivirira kuvhiyiwa, kuvhiyiwa uye kupindira kubva pakusvika pamagetsi akasimba akadai sedhijitari zvigadzirwa zvemagetsi.
Resistor chiratidzo uye chikwata
Chikwata chekupikisa ndicho Ohm (chiratidzo Ω).
Resistor maitiro
Resistors zvinhu zvemagetsi rambidza kuyerera electric current kune imwe kukosha. Iwo akareruka anopikisa ane materminal maviri, imwe yacho inonzi "common terminal" kana "ground terminal" uye imwe inonzi "ground terminal". Resistors iwaya-yakavakirwa zvikamu, asi mamwe majeometri akashandiswa zvakare.
Ndinovimba ikozvino wave nekunzwisisa zvirinani kuti resistor chii.
Iwo maviri akajairika geometric manhamba ibhuroko rinonzi "chip resistor" nebhatani rinonzi "carbon compound resistor".
Resistors vane mitsetse ine mavara zvakatenderedza miviri yavo kuratidza maitiro avo ekuramba.
Resistor color code
Resistors achaiswa mavara ekodhi kuvamiririra huwandu hwemagetsi. Izvo zvakavakirwa pachiyero chekodhi chakatanga kugadzirwa muma1950 neUnited Electronic Component Manufacturers Association. Iyo kodhi ine mabhawa matatu ane mavara, anoratidza kubva kuruboshwe kuenda kurudyi manhamba akakosha, nhamba ye zero uye kushivirira renji.
Heino tafura yeresistor color codes.
Iwe unogona zvakare kushandisa resistor color code Calculator.
Resistor marudzi
Resistor marudzi anowanikwa mune akawanda akasiyana Kuyera, mafomu, rakayerwa simba и voltage limits. Kuziva rudzi rwekupikisa kunokosha pakusarudza resistor yedunhu nokuti unoda kuziva kuti ichaita sei mune mamwe mamiriro ezvinhu.
carbon resistor
Iyo kabhoni komputa resistor ndeimwe yeakajairika marudzi ekupikisa ari kushandiswa nhasi. Iyo ine yakanyanya kugadzikana tembiricha, yakaderera ruzha kuita uye inogona kushandiswa mune yakakura frequency renji. Carbon compound resistors haina kugadzirwa kune yakakwira simba dissipation application.
metal film resistor
Simbi firimu resistor inonyanyo sanganisira sputtered coating paaluminium inoshanda sechinhu chinodzivirira, ine mamwe maturu ekupa kudzivirira kubva pakupisa, uye conductive coating yekupedzisa pasuru. Zvichienderana nerudzi, simbi yesimbi inopikisa inogona kugadzirwa yemhando yepamusoro kana yakakwirira simba maapplication.
Carbon film resistor
Ichi chinopikisa chakafanana mukugadzira kune simbi firimu resistor, kunze kwekuti ine mamwe mapeji ekudzivirira zvinhu pakati pechinhu chinopikisa uye machira ekuitisa kuti ape humwe dziviriro pakupisa uye ikozvino. Zvichienderana nerudzi, iyo kabhoni firimu resistor inogona kugadzirwa kune yakakwirira chaiyo kana yakakwirira simba maapplication.
Wire ronda resistor
Iri ishoko rekubata-rese kune chero resistor apo chinopikisa chinhu chinogadzirwa newaya kwete firimu rakatetepa sezvatsanangurwa pamusoro. Wirewound resistors anowanzo shandiswa apo anopikisa anofanirwa kumira kana kubvisa mazinga emagetsi.
High voltage variable resistor
Iyi resistor ine kabhoni kwete yakaonda firimu resistive element uye inoshandiswa muzvishandiso zvinoda yakakwira voltage yekuzviparadzanisa nevamwe uye kugadzikana kwepamusoro pane tembiricha dzakakwirira.
Potentiometer
A potentiometer inogona kufungidzirwa sezvipikisi zviviri zvakasiyana zvakabatana mu-anti-parallel. Kupokana pakati pemitoo miviri yekunze kunoshanduka sezvo wiper inofamba ichitevedza gwara kusvikira muganhu uye diki diki zvasvika.
thermistor
Iyi resistor ine yakanaka tembiricha coefficient, izvo zvinoita kuti kuramba kwayo kuwedzere nekuwedzera tembiricha. Muzviitiko zvakawanda, inoshandiswa nekuda kweiyo yakashata tembiricha coefficient yekupikisa, uko kushorwa kwayo kunoderera nekuwedzera tembiricha.
varistor
Iyi resistor yakagadzirirwa kuchengetedza maseketi kubva kune yakakwira voltage transients nekutanga kupa yakanyanya kupikisa uye wozoidzikisa kune yakaderera kukosha kune yakakwira voltages. Iyo varistor icharamba ichibvisa simba remagetsi rinoshandiswa sekupisa kusvikira raputsika.
SMD resistors
Ivo vakadaro zvishoma, haidi kukwirisa nzvimbo yekuisa uye inogona kushandiswa mukati kwazvo high density mesh. Izvo zvisingabatsiri zveSMD resistors ndezvekuti vane zvishoma kupisa kupisa kwepamusoro nzvimbo pane kuburikidza-gomba resistors, saka simba ravo rakaderedzwa.
SMD resistors inowanzogadzirwa kubva керамический zvinhu.
SMD resistors anowanzo diki pane kuburikidza-gomba resistors nekuti haadi anokwirisa mahwendefa kana PCB maburi kuti aise. Ivo zvakare vanotora shoma PCB nzvimbo, zvichikonzera yakakwirira redunhu density.
The company kusakosha Iko kushandiswa kweSMD resistors ndeyekuti vane zvishoma zvishoma kupisa kupisa pamusoro penzvimbo pane kuburikidza-maburi, saka simba ravo rakaderedzwa. Ivowo zvakanyanya kuoma kugadzira uye solder kupfuura kuburikidza nezvinodzivirira nekuda kwewaya dzadzo dzakatetepa kwazvo.
SMD resistors yakatanga kuunzwa kumagumo 1980s. Kubva ipapo, madiki, akanyanya kurongeka matekinoroji akagadzirwa, akadai seMetal Glazed Resistor Networks (MoGL) uye Chip Resistor Arrays (CRA), izvo zvakakonzera kudzikisira kweSMD resistors.
Nhasi, SMD Resistor tekinoroji ndiyo inonyanya kushandiswa resistor tekinoroji; iri kukurumidza tekinoroji yakakura. Kuburikidza ne-gomba resistors ari kukurumidza kuita nhoroondo sezvo iye zvino akachengeterwa chete niche application senge mota odhiyo, mwenje nhanho uye "classic" zviridzwa.
Kushandiswa kwe resistors
Resistors anoshandiswa mumatunhu mabhodhi eredhiyo, terevhizheni, nhare, makarukureta, maturusi, uye mabhatiri.
Kune akawanda akasiyana marudzi ezvipikisi, imwe neimwe iine yayo seti yemashandisirwo. Mimwe mienzaniso yekushandisa resistors:
- Zvishandiso zvekudzivirira: Inogona kushandiswa kuchengetedza zvishandiso kubva mukukuvadzwa nekudzikamisa iyo ikozvino inoyerera kuburikidza navo.
- Voltage regulation: Inogona kushandiswa kudzora voltage mudunhu.
- Kudzora tembiricha: Inogona kushandiswa kudzora tembiricha yemudziyo nekubvisa kupisa.
- Signal attenuation: Inogona kushandiswa kuderedza kana kuderedza simba rechiratidzo.
Resistors anoshandiswawo mune zvakawanda zvakajairika zvinhu zvemumba. Mimwe mienzaniso yemidziyo yemumba:
- Magetsi emagetsi: Chidziviriro chinoshandiswa mugirobhu remwenje kudzora ikozvino uye kugadzira kupenya kunogara kuripo.
- Ovheni: Inopikisa inoshandiswa muchoto kudzikamisa huwandu hwezvino kuburikidza nechinhu chekudziya. Izvi zvinobatsira kudzivirira chinhu kubva pakupisa uye kukuvadza ovheni.
- Toasters: A resistor inoshandiswa mu toaster kudzikamisa huwandu hwezvino kupfuura nepainodziya chinhu. Izvi zvinobatsira kudzivirira chinhu kubva pakupisa uye kukuvadza toaster.
- Vagadziri vekofi: Inopikisa inoshandiswa mukugadzira kofi kudzikamisa huwandu hwezvino kuburikidza nekupisa chinhu. Izvi zvinobatsira kudzivirira chinhu kubva pakupisa uye kukuvadza mugadziri wekofi.
Resistors chinhu chakakosha chemagetsi edhijitari uye anoshandiswa mumhando dzakasiyana dzekushandisa. Iwo anowanikwa muhuwandu hwakawanda hwekushivirira mazinga, wattages uye maitiro ekupikisa.
Maitiro ekushandisa resistors mudunhu
Pane nzira mbiri dzekudzishandisa mumagetsi emagetsi.
- Resistors munhevedzano ndivo resistors umo redunhu ikozvino anofanira kuyerera kuburikidza nomumwe resistor. Iwo akabatanidzwa munhevedzano, neimwe resistor padivi peimwe. Kana maviri kana anopfuura anopikisa akabatanidzwa munhevedzano, kupikisa kwese kwedunhu kunowedzera zvinoenderana nemutemo:
Robsch = R1 + R2 + ………Rн
- Resistors mune zvakafanana resistors ayo akabatanidzwa kune akasiyana matavi emagetsi emagetsi. Ivo vanozivikanwawo separallel yakabatana resistors. Kana maviri kana anopfuura anopikisa akabatanidzwa mukufanana, anogovera iyo yakazara ikozvino inoyerera kuburikidza nedunhu pasina kushandura voltage yayo.
Kuti uwane kuenzana kwekupikisa kwevanopikisa vanopikisa, shandisa iyi fomula:
1/Req = 1/R1 + 1/R2 + ……..1/rn
Iyo voltage pane imwe neimwe resistor inofanira kunge yakafanana. Semuyenzaniso, kana mana 100 ohm resistors akabatana mune parallel, ipapo ese ari mana achave neakaenzana kupikisa kwe25 ohms.
Ikozvino inopfuura nepakati pedunhu icharamba yakafanana sekunge imwe resistor yakashandiswa. Iyo voltage pane yega yega 100 ohm resistor inoparadzaniswa nepakati, saka panzvimbo ye400 volts, imwe neimwe resistor ikozvino ine 25 volts chete.
Mutemo waOm
Mutemo waOm ndiwo simplest mitemo yose yemagetsi emagetsi. Inotaura kuti "yazvino iyo inopfuura nekondukita pakati pemapoinzi maviri yakanangana neiyo voltage musiyano pakati pemapoinzi maviri uye inversely proportional nekupikisa pakati pavo."
V = I x R kana V/I = R
kupi,
V = voltage (volts)
I = ikozvino (amps)
R = kuramba (ohm)
Kune 3 shanduro yemutemo weOhm ine akati wandei maapplication. Sarudzo yekutanga inogona kushandiswa kuverenga kudonha kwevoltage pane inozivikanwa kuramba.
Yechipiri sarudzo inogona kushandiswa kuverenga kushorwa kweiyo inozivikanwa voltage donho.
Uye mune yechitatu sarudzo, unogona kuverenga ikozvino.
Vhidhiyo Tutorial pamusoro pekuti resistor chii
Zvakawanda nezve resistors.
mhedziso
Ndatenda nekuverenga! Ndinovimba wakadzidza kuti resistor chii uye kuti inodzora kuyerera kwezvino. Kana iwe uchiona zvakaoma kudzidza zvemagetsi, usanetseka. Tine mamwe akawanda mablog ekutumira uye mavhidhiyo ekukudzidzisa iwe izvo zvekutanga zvemagetsi.
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