Mai rarraba wutar lantarki: komai game da wannan da'irar

Rarraba mai rabewa / yawa

Wataƙila a cikin ayyukanku kana buƙatar saita ƙarfin lantarki ko ƙarfin lantarki na da'irar. Misali, idan kuna da fitarwa ta 12v kuma kuna buƙatar kunna zagaye na 6v, mai yiwuwa kuna buƙatar wani abu da zai iya canza su. Wannan kashi shine mai rarraba wutar lantarki. Kewaya mai sauki wanda yake aiki iri daya da yadda mai canza wuta zaiyi, kodayake ya dogara ne da ka'idoji mabambanta don aikinsa.

Saboda haka, ya kamata ka ba dame tsakanin gidan wuta da kuma irin ƙarfin lantarki dividerTunda mutum yana amfani da windings da induction don canza wutar lantarki daya zuwa wani, dayan kuma hanya ce mai sauki wacce ta kunshi masu tsayayyar wuta wadanda zasu iya rarraba karfin wutar zuwa kananan kayoyi biyu. Misali, taransfoma zai iya canza 12v a shigar da shi zuwa 6v a fitowarta, amma abin da mai rarrabawa zai yi shine canza waɗannan 12v daga shigarwarta zuwa wutar lantarki 6v biyu a fitarta. Kun ga bambanci?

Mene ne mai rarraba wutar lantarki?

Un ƙarfin lantarki ko mai rarraba wutar lantarki Wuri ne wanda, kamar yadda sunan sa ya nuna, yana rarraba wutan da yake wanzuwa yayin shigar da shi zuwa wasu kananan matosai yayin fitowar sa. Sabili da haka, maɓalli ne mai mahimmanci ga maɓuɓɓuka masu ƙarfi waɗanda ke buƙatar ƙananan wuta fiye da waɗanda aka bayar ta hanyar samar da wuta, batura, ko soket ɗin da kuke da shi.

Kafin na ba da misalin 12v da na kasu gida biyu 6v, amma masu raba wutar lantarki ba koyaushe suke farawa daidai ba rabin karfin wutar lantarki. Misali, yana iya zama lamarin cewa kana da batir 9v kuma kana bukatar raba wancan karfin wutar zuwa 6 da 3v, wancan hakan ma zai yiwu, ma'ana, ba lallai ne su zama iri ɗaya ba ...

Ka'idodin da aka kafa su a kai

 

Rabin karfin wuta - zane

Kamar yadda ake iya gani a hoton, mahimmin da'ira yana da sauki. Kuna buƙatar baturi ko tushe kawai wanda zai haɗu da ƙasa da Vin a cikin hoton don ƙarfafa mai rarraba. Mai rarraba wutar lantarki kanta zai kasance ne kawai da masu adawa biyu waɗanda aka haɗa a jeri. Don haka, ta amfani da dabara da kake gani a hoton, karfin wutan da zai wanzu tsakanin kasa da Vout zai zama sakamakon raba darajar juriya 2 tsakanin adadin R1 da R2, sannan sai a ninka sakamakon ta karfin wuta na shigarwa

Akwai masu rarraba karfin wutan lantarki kuma, kodayake basu da yawa fiye da masu tsayayya ...

de amfaniKa yi tunanin cewa kana da ƙarfin shigarwa na 20v, tare da R1 = 1k da R2 = 2k. Wannan zai haifar da fitowar mai rarraba wutar mu 13v. Tabbas zaku iya yin wasa tare da dabi'un adawa don ƙirƙirar mai rarraba wutar lantarki da kuke buƙata. Wani misalin, idan kawai kun banbanta R2 saboda ya zama 0,5k ne kawai to zai zama fitarwa ta 6,6v. Da sauki?

Akwai masu ninka wutar lantarki?

ninki mai ninkawa

Ee akwai masu ninka wutar lantarki. A wannan yanayin kuma hanya ce mai sauƙi wacce ke haɗa diodes a layi ɗaya. Wannan yana ba da kishiyar tasiri, ninka ƙarfin shigarwa ta abubuwa daban-daban don samun ƙarancin ƙarfi. A zahiri, ƙa'idar ce da aka yi amfani da ita a cikin sanannun masu juya komputa na kwamfyutocin tafi-da-gidanka, wanda ke da zafi sosai, yana barin yanki mai zafi a bayan allon ...

Wadancan masu juyawa ba komai bane face zagaye da diodes a layi daya don ninka wutar da batirin kwamfutar tafi-da-gidanka ta samar don ninka wasu nau'ikan bangarorin nuni. A kowane mataki, yana samun karfin wuta har sai ya kai ga karfin wutar lantarki da ake nema, kana iya ma sanya batirin wasu 'yan volts da zasu samu daruruwa ko dubunnan volts.

Sauran masu raba / ninkawa

Babu shakka lantarki gaba sosai kuma yana ba da damar haɗa irin wannan da'irar a cikin guntu guda. Kari akan haka, akwai masana'antun da yawa a kasuwa wadanda ke aiwatar da wasu nau'ikan masu rarrabawa da masu ninkawa a cikin da'irar. Waɗannan masu rarrabawa da masu ninkawa Ina ambaton su anan sune mitocin agogo. Amma ya kamata ku sani cewa akwai kuma masu yawaitawa da rarrabawa, da sauransu.

Yadda ake samun mai raba wutar lantarki

Anan kuna da hanyoyi biyu don samun mai rarraba wutar lantarki. A gefe guda zaku iya gina kanku mai rarraba mai rarraba, tunda baya buƙatar kayan haɗin mai tsada kuma yana da arha sosai. Amma a gefe guda, akwai wasu wadatattun wutar lantarki waɗanda ke ba da samfuran ƙarfin lantarki daban-daban kuma a shirye don amfani ...

Createirƙiri kewaya mai rarraba

Abu ne na wasa da masu adawa da lissafin irin ƙarfin da kuke buƙata don aikinku. Kuna iya ganin ƙarin cikakkun bayanai a cikin ɓangaren da aka bayyana ƙa'idodin wannan labarin. Af, a matsayin ra'ayi, Ina ba ku shawara ku yi amfani da ƙarfin ƙarfin kamar R1, don haka zaku sami juriya mai canzawa don samun yawan voltages a fitarwa ba tare da canza da'irar ba.

A gefe guda, zaka iya samun layi tsakanin ma'anar haɗin Vout da Vin tare da R1. Don haka zaku sami nau'ikan voltages guda biyu da muka faɗi a farkon, tare da abin da ke ba tashoshi tsakanin masu adawa da GND ...

Kuskure mai yawan gaske, lokacin da kake amfani da fitowar mai rarraba wutar lantarki, idan kana da abu guda biyu haɗe, yana cinyewa kuma yana da tasiri akan wutar lantarki. Saboda wannan, idan kun sanya wani abu a layi daya tare da wanda aka riga aka haɗe shi, ƙarfin wutar da aka kawo zai iya sauka kuma ba zai zama daidai da yadda kuka lissafa ba. Don haka kawai don haɗa na'ura ɗaya.

Sayi wutar lantarki

La zaɓi mafi sauki shine saya kai tsaye mai ba da wutar lantarki wanda an riga an aiwatar da shi tare da nau'ikan ƙarfin lantarki daban-daban, kuma hakan yakan haɗa da wasu ƙarin. Akwai su don farashi mai rahusa ko wasu masu ƙarin ayyuka wani abu mai tsada….

Mai rarrabuwa tare da Arduino

Mai Rage Voltage tare da Arduino - Kewaya

Tabbas zaka iya hau mai rarraba ƙarfin lantarki akan allon burodi kuma ku haɗa shi da ayyukanku na Arduino a sauƙaƙe. Kuma ba kawai ana amfani dashi bane don rarraba voltages kamar yadda muka gani ba, zaku iya raba waɗannan masu rarraba ta hanyar cakuda wasu abubuwa kamar turabutton ko masu sauyawa ta yadda da wutan lantarki iri ɗaya zaku iya sarrafa na'urori da yawa a yayin fitowar. Misali, mai raba mai sauki wanda aka haɗa zuwa hukumar Arduino UNO Don karanta ƙimomin daga jerin

El lambar don Arduino IDE Zai zama wani abu kamar haka:

void setup() {
Serial.begin(9600);
}

</span>void loop() {
int sensorValue = analogRead(A0);
Serial.println(sensorValue);
}

Informationarin bayani - Karatunmu na Arduino a cikin PDF


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