Hall sensor: ka'idar aiki, nau'ikan, aikace-aikace, yadda za'a bincika

Don ingantaccen aiki na dukkanin tsarin motar zamani, masana'antun suna ba motar abin hawa da nau'ikan kayan lantarki waɗanda ke da fa'idodi akan abubuwan inji.

Kowane firikwensin yana da mahimmancin gaske don kwanciyar hankali na aiki da abubuwa daban-daban a cikin inji. Yi la'akari da siffofin firikwensin zauren: waɗanne nau'ikan ke akwai, manyan matsaloli, ƙa'idar aiki da kuma inda ake amfani da shi.

Menene firikwensin Hall a cikin mota

Wani firikwensin zauren shine ƙaramar na'urar da ke da ƙa'idar aiki da lantarki. Koda a cikin tsofaffin motoci na masana'antar kera motoci ta Soviet, waɗannan na'urori masu auna firikwensin suna nan - suna sarrafa aikin injin mai. Idan na'ura tayi aiki, injin din zai rasa kwanciyar hankali mafi kyau.

Ana amfani dasu don aiki na tsarin ƙonewa, rarraba matakai a cikin tsarin rarraba gas da sauransu. Don fahimtar abin da malfunctions ke da alaƙa da lalacewar firikwensin, ya kamata ku fahimci tsarinsa da ƙa'idar aikin sa.

Menene na'urar firikwensin Hall a cikin mota?

Ana buƙatar firikwensin zauren a cikin mota don yin rikodi da auna filayen magnetic a sassa daban-daban na motar. Babban aikace-aikacen HH yana cikin tsarin ƙonewa.

Na'urar tana ba ka damar ƙayyade takamaiman sigogi a hanyar da ba ta tuntuɓar mu. Firikwensin ya haifar da tasirin lantarki wanda ke zuwa sauyawa ko ECU. Bugu da ari, waɗannan na'urorin suna aika sigina don ƙirƙirar halin yanzu don ƙirƙirar walƙiya a cikin kyandirorin.

A takaice game da ka'idar aiki

Tushen aikin wannan na’ura an gano shi ne a shekarar 1879 daga wani masanin ilmin kimiyar lissafi dan kasar Amurka E.G. Zaure Lokacin da wafer na semiconductor ya shiga yankin magnetic na dindindin maganadiso, ana samar da ƙaramin motsi a ciki.

Bayan ƙarewar filin maganadisu, babu wani abu da yake samarwa. Katse tasirin maganadisu yana faruwa ne ta hanyar ramummuka a cikin allon ƙarfe, wanda aka sanya tsakanin maganadisu da wajan semiconductor.

A ina yake kuma menene kama?

Tasirin Hall ya samo aikace-aikace a cikin tsarin abin hawa da yawa kamar:

• Yana ƙayyade matsayin crankshaft (lokacin da piston na farkon silinda yake a saman matacciyar cibiyar bugun matsawa);
• Dayyade matsayin camshaft (don daidaita aikin buɗe bawuloli a cikin tsarin rarraba gas a cikin wasu nau'ikan injunan ƙone ciki na zamani);
• A cikin tsarin fashewar wuta (akan mai rarrabawa);
• A cikin ma'aunin awo.

A yayin juyawar motan, firikwensin yana amsawa zuwa girman ramuka na haƙoran, daga abin da ake samun ƙaramin ƙarfin lantarki, wanda aka ciyar da shi zuwa na'urar sauyawa. Da zarar cikin murfin ƙonewa, siginar ta canza zuwa babban ƙarfin lantarki, wanda ake buƙata don ƙirƙirar walƙiya a cikin silinda. Idan na'urar firikwensin matsakaitan matsakaiciya ta lalace, injin ba zai iya farawa ba.

Mai kama da firikwensin yana cikin maɓallin wuta na tsarin ƙonewa mara lamba. Lokacin da aka kunna ta, sai a kunna windings na abin kunna wuta, wanda hakan zai bashi damar samar da caji kan aikin farko da kuma fitarwa daga sakandare.

Hoton da ke ƙasa yana nuna yadda firikwensin yake da kuma inda aka sanya shi a wasu motocin.

A cikin mai rarrabawa

Crankshaft haska bayanai

Shaarar firikwensin Camshaft

Tachometer haska bayanai

Hall firikwensin a cikin lantarki lantarki

Na'urar

Kayan firikwensin zaure mai sauƙi ya ƙunshi:

• Magnet na dindindin Yana ƙirƙirar filin maganaɗisu wanda ke aiki akan semiconductor, wanda a cikinsa aka ƙirƙiri ƙaramin ƙarfin lantarki;
• Magnetic kewaye. Wannan sinadarin yana lura da aikin maganadisu kuma yana samarda wani yanayi;
• Juyawa na'ura mai juyi. Farantin karfe ne mai lankwasa wanda yake da ramummuka. Lokacin da shaftar babbar na'urar ta juya, rotolen wukake a wani lokaci yana toshe tasirin maganadisu akan sandar, wanda ke haifar da motsin rai a ciki;
• Rufe filastik.

Nau'in da kuma ikon yinsa

Duk firikwensin Hall ya kasu kashi biyu. Kashi na farko shine na dijital kuma na biyu shine analog. Anyi nasarar amfani da waɗannan na'urori a masana'antu daban -daban, gami da masana'antar kera motoci. Misali mafi sauƙi na wannan firikwensin shine DPKV (yana auna matsayin ƙwanƙwasa yayin da yake juyawa).

Analog Hall Sensor Element

A wasu masana’antu, ana amfani da irin wannan na’ura, alal misali, a cikin injin wanki (ana auna wanki bisa saurin jujjuyawar cikakken ganga). Wani aikace -aikacen gama gari na irin waɗannan na'urori yana cikin allon kwamfuta (ƙaramin maganadisu yana a bayan maɓallan, kuma an shigar da firikwensin a ƙarƙashin kayan polymer na roba).

Kwararrun masu aikin lantarki suna amfani da na’ura ta musamman don aunawa ta halin yanzu a cikin kebul, wanda kuma an shigar da firikwensin Hall, wanda ke yin tasiri ga ƙarfin filin magnetic da wayoyi suka kirkira kuma yana ba da ƙima daidai da ƙarfin ƙaƙƙarfan ƙaho. .

A cikin masana'antar kera motoci, an haɗa na'urori masu auna sigina na Hall a cikin tsarin daban -daban. Misali, a cikin motocin lantarki, waɗannan na'urorin suna lura da cajin batir. Matsayi na crankshaft, bawul ɗin maƙera, saurin ƙafa, da dai sauransu. - duk wannan da sauran sigogi da yawa ana ƙaddara su ta hanyar firikwensin Hall.

Linear (analogue) firikwensin zauren

A cikin irin waɗannan na'urori masu auna firikwensin, ƙarfin lantarki kai tsaye ya dogara da ƙarfin filin maganadisu. A wasu kalmomi, mafi kusancin firikwensin yana zuwa filin maganadisu, mafi girman ƙarfin fitarwa. A cikin waɗannan nau'ikan na'urori, babu abin faɗakarwa na Schmidt kuma babu transistor fitarwa mai sauyawa. Ana ɗaukar wutar lantarki a cikin su kai tsaye daga amplifier mai aiki.

Za a iya samar da wutar lantarki na firikwensin tasirin Hall na analog ko dai ta wurin maganadisu na dindindin ko maganadisu na lantarki. Hakanan ya danganta da kaurin faranti da ƙarfin wutar lantarki da ke gudana ta wannan farantin.

Hankali yana nufin cewa za a iya ƙara ƙarfin fitarwa na firikwensin har abada tare da ƙara filin maganadisu. A gaskiya ba haka ba ne. Wutar lantarki mai fitarwa daga firikwensin za a iyakance shi ta hanyar wutar lantarki. Mafi girman ƙarfin fitarwa a kan firikwensin ana kiransa saturation voltage. Lokacin da aka kai wannan kololuwar, ba shi da ma'ana don ci gaba da ƙara yawan ƙarfin maganadisu.

Alal misali, ƙwanƙwasa na yanzu suna aiki akan wannan ka'ida, tare da taimakon wanda aka auna ƙarfin lantarki a cikin madubi ba tare da hulɗa da wayar kanta ba. Hakanan ana amfani da na'urori masu auna firikwensin Linear Hall a cikin na'urorin da ke auna girman filin maganadisu. Irin waɗannan na'urori suna da aminci don amfani, tunda ba sa buƙatar tuntuɓar kai tsaye tare da wani abu mai ɗaukar hoto.

Misali na amfani da kayan analog

Hoton da ke ƙasa yana nuna sauƙi mai sauƙi na firikwensin wanda ke auna ƙarfin halin yanzu kuma yana aiki akan ka'idar tasirin Hall.

A - madugu; B - bude zobe na maganadisu; С - firikwensin Hall Hall; D - amplifier sigina

Irin wannan firikwensin na yanzu yana aiki da sauƙi. Lokacin da aka yi amfani da halin yanzu akan madugu, ana ƙirƙirar filin maganadisu kewaye da shi. Na'urar firikwensin yana ɗaukar polarity na wannan filin da yawa. Bugu da ari, an samar da wutar lantarki mai dacewa da wannan ƙimar a cikin firikwensin, wanda aka kawo zuwa amplifier sannan zuwa mai nuna alama.

Sensors Hall na Dijital

Ana kunna na'urorin analog dangane da ƙarfin filin magnetic. A mafi girma shi ne, mafi ƙarfin lantarki zai kasance a cikin firikwensin. Tun lokacin da aka gabatar da kayan lantarki a cikin na'urorin sarrafawa daban -daban, firikwensin zauren ya sami abubuwa masu ma'ana.

Digital Hall Sensor Element

Na'urar ko dai ta gano kasancewar filin magnetic, ko kuma ba ta gano ta. A cikin yanayin farko, zai zama naúrar ma'ana, kuma ana aika siginar zuwa mai kunnawa ko naúrar sarrafawa. A cikin akwati na biyu (har ma da babban, amma ba a kai ga iyakar iyaka ba, filin magnetic), na'urar ba ta yin rikodin komai, wanda ake kira sifili mai ma'ana.

Bi da bi, na’urorin dijital iri ɗaya ne da marasa ƙarfi. Bari mu ɗan yi la’akari da abin da bambancinsu yake.

Unipolar

Game da bambance -bambancen unipolar, ana haifar da su lokacin da filin magnetic na polarity ɗaya kawai ya bayyana. Idan kun kawo maganadisu tare da kishiyar polarity zuwa firikwensin, na'urar ba zata amsa komai ba. Kashe na'urar yana faruwa lokacin ƙarfin ƙarfin filin maganadisu ya ragu ko ya ɓace gaba ɗaya.

Na'urar da ake buƙata ana auna ta ta na'urar a lokacin da ƙarfin filayen maganadisu ya kai iyakar. Har sai an kai wannan ƙofar, na'urar za ta nuna ƙimar 0. Idan shigar da maganadis ɗin ƙarami ne, na'urar ba ta iya gyara ta, saboda haka, tana nuna ƙima. Wani abin da ke shafar daidaiton ma'auni ta na'urar shine nisansa daga filin magnetic.

Bipolar

Dangane da canjin bipolar, na'urar tana aiki lokacin da electromagnet ke ƙirƙirar keɓaɓɓen sanda, kuma yana kashe lokacin da aka yi amfani da kishiyar kishiyar. Idan an cire maganadisu yayin kunna firikwensin, na'urar ba zata kashe ba.

Alƙawarin HH a cikin tsarin kunna wutar mota

Ana amfani da na'urori masu auna firikwensin zaure a cikin tsarin kunna wuta mara lamba. A cikinsu, ana shigar da wannan sinadari a maimakon na'urar da ke kashe wutar lantarki. Hoton da ke ƙasa yana nuna misali na firikwensin Hall, wanda aka yi amfani da shi a cikin motoci na iyalin VAZ.

A - Hall firikwensin; B - maganadisu na dindindin; Tare da farantin karfe wanda ke rufe tasirin kyauta na maganadisu

A cikin ƙarin tsarin kunna wuta na zamani, ana amfani da firikwensin Hall kawai don tantance matsayin crankshaft. Irin wannan firikwensin ana kiransa firikwensin matsayi na crankshaft. Ka'idar aikinsa iri ɗaya ce da firikwensin Hall na gargajiya.

Sai kawai don katsewar iska na farko da kuma rarraba wutar lantarki mai girma ya riga ya kasance alhakin sashin kula da lantarki, wanda aka tsara don halayen injin. ECU yana iya daidaitawa zuwa nau'ikan aiki daban-daban na rukunin wutar lantarki ta hanyar canza lokacin kunnawa (a cikin tsarin sadarwa da tsarin da ba na sadarwa na tsohuwar ƙirar ba, an sanya wannan aikin zuwa mai sarrafa injin).

Kunnawa tare da firikwensin Hall

A cikin tsarin ƙonewa maras amfani na tsohuwar ƙirar (tsarin jirgi na irin wannan motar ba sanye take da na'urar sarrafa lantarki), firikwensin yana aiki a cikin jerin masu zuwa:

1. Shagon mai rarrabawa yana jujjuya (haɗe da camshaft).
2. Farantin da aka gyara akan shaft ɗin yana tsakanin firikwensin Hall da maganadisu.
3. Farantin yana da ramummuka.
4. Lokacin da farantin yana juyawa kuma an sami sarari kyauta tsakanin maganadisu, ana haifar da wutar lantarki a cikin firikwensin saboda tasirin filin maganadisu.
5. Ana ba da wutar lantarki mai fitarwa zuwa mai kunnawa, wanda ke ba da sauyawa tsakanin iskar wutar lantarki.
6. Bayan an kashe iska ta farko, ana haifar da bugun jini mai ƙarfi a cikin iska na biyu, wanda ya shiga cikin mai rarrabawa (mai rarrabawa) kuma yana zuwa takamaiman filogi.

Duk da sauƙin tsarin aiki, dole ne a daidaita tsarin kunna wuta mara lamba ta yadda walƙiya ta bayyana a kowane kyandir a daidai lokacin. In ba haka ba, motar za ta yi aiki marar ƙarfi ko ba zata fara komai ba.

Fa'idodin Sensor Hall na Mota

Tare da ƙaddamar da abubuwan lantarki, musamman a cikin tsarin da ke buƙatar daidaitawa mai kyau, injiniyoyi sun sami damar yin tsarin da ya fi dacewa idan aka kwatanta da takwarorinsu waɗanda injiniyoyi ke sarrafawa. Misalin wannan shine tsarin kunna wuta mara lamba.

The Hall Effect Sensor yana da wasu fa'idodi masu mahimmanci:

1. Yana da m;
2. Ana iya shigar da shi a cikin kowane bangare na motar, kuma a wasu lokuta har ma a cikin injin kanta (misali, a cikin mai rarrabawa);
3. Babu wani abu na inji a cikinsa, don kada lambobinsa su ƙone, kamar yadda, alal misali, a cikin na'urar kashe wutar lantarki;
4. Ƙwayoyin lantarki suna amsawa sosai ga canje-canje a cikin filin maganadisu, ba tare da la'akari da saurin juyawa na shaft ba;
5. Bugu da ƙari, amintacce, na'urar tana ba da tsayayyen siginar lantarki a cikin hanyoyi daban-daban na aiki na motar.

Amma wannan na'urar kuma tana da babban illa:

• Babban abokin gaba na kowane na'urar lantarki shine tsoma baki. Akwai yalwar su a cikin kowane injin;
• Idan aka kwatanta da na'urar firikwensin lantarki na al'ada, wannan na'urar za ta biya oda mafi tsada;
• Nau'in da'irar lantarki ya shafi aikin sa.

Aikace -aikacen firikwensin zaure

Kamar yadda muka fada, ana amfani da na'urori na ƙa'idar Hall ba kawai a cikin motoci ba. Anan akwai kaɗan daga cikin masana'antun inda firikwensin tasirin Hall zai yiwu ko ana buƙata.

Aikace -aikacen firikwensin linzamin kwamfuta

Ana samun firikwensin nau'in layi a cikin:

• Na'urorin da ke ƙayyade ƙarfin yanzu a cikin hanyar da ba a tuntuɓe ba;
• Tachometers;
• Na'urorin firikwensin matakin girgiza;
• Firikwensin Ferromagnet;
• Sensors waɗanda ke ƙayyade kusurwar juyawa;
• Potentiometers mara lamba;
• Motoci marasa gogewa na DC;
• Na'urorin firikwensin kayan aiki;
• Masu binciken da ke tantance matsayin hanyoyin aiki.

Aikace -aikacen firikwensin dijital

Game da samfuran dijital, ana amfani da su a:

• Sensors waɗanda ke ƙayyade yawan juyawa;
• Na'urorin aiki tare;
• Na'urorin firikwensin tsarin ƙonewa a cikin motar;
• Matsayin firikwensin abubuwa na hanyoyin aiki;
• Masu lissafin bugun jini;
• Sensors waɗanda ke ƙayyade matsayin bawuloli;
• Na'urorin kulle ƙofofi;
• Mita masu amfani da kayan aiki;
• Kusan firikwensin;
• Relay mara lamba;
• A wasu samfuran firinta azaman firikwensin da ke gano kasancewar ko matsayin takarda.

Waɗanne matsaloli ne za a iya samu?

Anan akwai teburin babban aikin firikwensin zazzaɓi da bayyanar da gani:

Matsalar aiki na samfur:	Ta yaya ya bayyana:
Ana firikwensin firikwensin fiye da yadda crankshaft ke bi ta cikakken zagaye	Amfani da mai yana ƙaruwa (yayin da sauran tsarin, kamar su mai, ke aiki yadda ya kamata)
Ana kunna na'urar kowane lokaci ko lokaci-lokaci tana kashewa gaba ɗaya	Yayinda motar ke motsawa, injin na iya tsayawa, jarkoki na mota, ƙarfin injin ya ragu, ba shi yiwuwa a hanzarta motar da sauri fiye da 60 km / h.
Rashin haska Hall	A cikin wasu motocin ƙasashen waje na ƙarni na ƙarshe, an katange mai ɗaukar gear
Mai firikwensin matsayin crankshaft ya karye	Ba za a iya farawa mota ba
Kurakurai a cikin tsarin lantarki wanda firikwensin zauren shine babban kayan aiki	A kan dashboard, hasken kuskuren tsarin ganewar kai na takamaiman naúra, misali, injin da ba ya aiki, yana haskakawa, amma yana ɓacewa yayin da injin ɗin ya ɗauki saurin.

Yana faruwa sau da yawa cewa firikwensin kansa yana cikin tsari mai kyau, amma yana jin kamar bai yi oda ba. Ga dalilan hakan:

• Datti a kan firikwensin;
• Broken waya (ɗaya ko fiye);
• Danshi ya hau kan lambobin sadarwa;
• Short kewaye (saboda laima ko lalacewar rufin, wayar siginar da ta gajarta zuwa ƙasa);
• Take hakkin rufin waya ko allo;
• Ba a haɗa firikwensin daidai (an juya polarity);
• Matsaloli tare da manyan wayoyin lantarki;
• Keta sashen sarrafa motoci;
• Nesa tsakanin abubuwan firikwensin da ɓangaren da aka sarrafa an saita ba daidai ba.

Firikwensin rajistan shiga

Don tabbatar da cewa firikwensin ba shi da kyau, dole ne a yi bincike kafin a sauya shi. Hanya mafi sauki don gano matsala - idan matsalar a gaske take a cikin firikwensin - shine gudanar da bincike akan na'urar oscilloscope. Na'urar ba wai kawai tana gano matsala ba, amma kuma tana nuna rugujewar na'urar.

Tunda ba kowane mai mota bane yake da damar aiwatar da irin wannan aikin, akwai hanyoyin da zasu fi araha don tantance na'urar firikwensin.

Bincike tare da multimeter

Da farko, an saita multimeter zuwa yanayin auna ma'aunin DC na yanzu (canzawa don 20V). Ana aiwatar da aikin a cikin jerin masu zuwa:

• An katse wayar mai sulke daga mai rarrabawa. An haɗa shi da taro don haka, a sakamakon bincike, ba da gangan ka fara motar ba;
• An kunna wutar (mabuɗin yana juyawa gaba ɗaya, amma kada a fara injin ɗin);
• An cire mahaɗin daga mai rarrabawa;
• Halin mara kyau na multimeter an haɗa shi da nauyin motar (jiki);
• Mai haɗa firikwensin yana da fil uku. Haɗin tabbatacce na multimeter an haɗa shi da kowane ɗayansu daban. Adireshin farko ya kamata ya nuna darajar 11,37V (ko har zuwa 12V), na biyu kuma ya kamata ya nuna a cikin yankin 12V, na uku - 0.

Na gaba, ana bincika firikwensin aiki. Don yin wannan, kuna buƙatar yin waɗannan masu zuwa:

• Daga gefen shigar waya, an saka turare na karfe (alal misali, ƙananan ƙusa) a cikin mahaɗin don kada su taɓa juna. Isaya an saka shi a cikin hulɗar tsakiya, ɗayan kuma - ga waya mara kyau (yawanci fari);
• Mai haɗawa ya zame a saman firikwensin;
• Wutar tana kunna (amma ba mu fara injin ba);
• Muna gyara ragowar lambar mai gwadawa akan ragi (fararen waya), da ƙarin lamba zuwa maɓallin tsakiya. Mai firikwensin aiki zai ba da karatu kusan 11,2V;
• Yanzu mataimaki yakamata yayi crankshaft tare da mai farawa sau da yawa. Karatun mita zai canza. Lura da mafi ƙanƙanci da matsakaicin ƙimomi. Barananan sandar bai wuce 0,4V ba, kuma na sama kada ya faɗi ƙasa da 9V. A wannan yanayin, ana iya ɗaukar firikwensin mai amfani.

Gwajin juriya

Don auna juriya, kuna buƙatar mai tsayayya (1 kΩ), fitilar diode da wayoyi. Ana sayar da resistor zuwa kafar kwan fitila, kuma an haɗa waya da shi. Waya ta biyu an gyarata zuwa ƙafa na biyu na kwan fitila.

Ana gudanar da binciken a cikin jerin masu zuwa:

• Cire murfin mai rarrabawa, cire haɗin toshe da lambobin mai rarraba kanta;
• An haɗa mai gwadawa zuwa tashar 1 da 3. Bayan kunna ƙonewa, nuni ya kamata ya nuna ƙima a cikin kewayon 10-12 volts;
• Hakanan, an haɗa kwan fitila tare da mai tsayayya da mai rarrabawa. Idan polarity tayi daidai, iko zai haskaka;
• Bayan haka, waya daga tashar ta uku an haɗa ta biyu. Sannan mataimaki ya juya injin tare da taimakon mai farawa;
• Haske mai walƙiya yana nuna firikwensin aiki. In ba haka ba, dole ne a maye gurbinsa.

Irƙirar Mai Kula da Zauren Makoki

Wannan hanyar tana baka damar gano silar firikwensin zauren idan babu walƙiya. An katse tsiri tare da abokan hulɗa daga mai rarrabawa. Ana kunna wutar. Wata ƙaramar waya tana haɗa lambobin fitarwa na firikwensin da juna. Wannan wani nau'in na'urar kwaikwayo ne na zahirin firikwensin hall wanda ya haifar da sha'awa. Idan a lokaci guda an samar da walƙiya a kan kebul na tsakiya, to firikwensin ya fita tsari kuma yana buƙatar sauyawa.

Matsalar-harbi

Idan kana son gyara firikwensin zauren da hannunka, da farko kana bukatar siyan abin da ake kira bangaren hankali. Zaka iya zaɓar shi daidai da ƙirar da nau'in firikwensin.

Ana yin gyaran kanta kamar haka:

• Ana yin rami a tsakiyar jiki tare da rawar soja;
• Tare da wuka na malanta, ana yanke wayoyin tsohuwar kayan, bayan haka sai a sanya ramuka don sabbin wayoyi wadanda zasu hade da da'irar;
• Sabuwar abun an saka shi a cikin gidan kuma an haɗa shi da tsofaffin fil. Zaka iya bincika daidaiton haɗin ta amfani da fitilar diode na sarrafawa tare da mai hanawa akan lamba ɗaya. Ba tare da tasirin maganadisu ba, hasken ya kamata ya tafi. Idan wannan bai faru ba, to kuna buƙatar canza polarity;
• Sabbin lambobin dole ne a siyar dasu zuwa toshe na'urar;
• Don tabbatar da cewa aikin yayi daidai, yakamata ku binciko sabon firikwensin ta amfani da hanyoyin da ke sama;
• A ƙarshe, dole ne a rufe gidajen. Don yin wannan, ya fi kyau a yi amfani da manne mai jure zafi, tun da yake na'urar sau da yawa ana fuskantar ta da yanayin zafi mai yawa;
• An tattara mai sarrafawa a cikin tsari na baya.

Yadda zaka maye gurbin firikwensin da hannunka?

Ba kowane mai sha'awar mota bane yake da lokaci don gyara na'urori masu auna sigina. Ya fi musu sauki su sayi sabo su girka maimakon tsohuwar. Ana aiwatar da wannan aikin kamar haka:

• Da farko dai, kana bukatar cire mashin daga batir;
• An cire mai rarraba, an katse toshe tare da wayoyi;
• An cire murfin mai rarrabawa;
• Kafin wargaza na'urar gaba ɗaya, yana da mahimmanci a tuna yadda bawul din kansa yake. Wajibi ne a haɗa alamun lokaci da kuma crankshaft;
• An cire shaft mai rarraba;
• Ita kanta firikwensin zauren an cire haɗin ta;
• An sanya sabon sabo a madadin tsohon firikwensin;
• Unitungiyar ta haɗu a cikin tsari baya.

Sabbin ƙarni na na'urori masu auna firikwensin suna da tsawon rai, saboda haka ba a buƙatar sauya na'urar sau da yawa. Lokacin aiki da tsarin wuta, dole ne kuma ku kula da wannan na'urar bin sahun.

Bidiyo akan batun

A ƙarshe, cikakken bayyani na na'urar da ka'idar aiki na firikwensin Hall a cikin mota:

Menene SENSOR ZAURE. Yadda yake aiki da yadda aka tsara shi

Tambayoyi & Amsa:

Menene Sensor Hall? Wannan na’ura ce da ke amsa bayyanar ko rashin filin magnetic. Na'urori masu auna firikwensin suna da irin wannan ƙa'idar aiki, wanda ke yin tasiri ga tasirin hasken haske akan hotocell.

A ina ake amfani da firikwensin zauren? A cikin motoci, ana amfani da wannan firikwensin don gano saurin dabaran ko takamaiman shaft. Hakanan, an shigar da wannan firikwensin a cikin waɗancan tsarin wanda yake da mahimmanci don ƙayyade matsayin wani sashi na musamman don daidaita tsarin daban -daban. Misali na wannan shine firikwensin crankshaft da camshaft.

Yadda za a duba firikwensin Hall? Akwai hanyoyi da yawa don duba firikwensin. Misali, lokacin da akwai wuta a cikin tsarin ƙonewa, kuma matattarar tartsatsin ba sa fitar da walƙiya, akan injinan da ba a tuntuɓe ba, an cire murfin mai rarrabawa kuma an cire toshewar toshe. Na gaba, an kunna wutar motar kuma an rufe lambobin 2 da 3. Dole ne a ajiye waya mai ƙarfin wuta kusa da ƙasa. A wannan lokacin, walƙiya ya kamata ta bayyana. Idan akwai walƙiya, amma babu walƙiya lokacin da aka haɗa firikwensin, to dole ne a maye gurbinsa. Hanya ta biyu ita ce auna ƙarfin wutan lantarki na firikwensin. A cikin yanayi mai kyau, wannan alamar yakamata ta kasance cikin kewayon daga 0.4 zuwa 11V. Hanya ta uku ita ce sanya sanannen analog mai aiki maimakon tsohon firikwensin. Idan tsarin yana aiki, to matsalar tana cikin firikwensin.