Maitiro ekutarisa matayi pressure sensors
Kushanda kwemashini

Maitiro ekutarisa matayi pressure sensors

Tarisa matayi pressure sensors zvinogoneka kwete chete pabasa nerubatsiro rwezvishandiso zvakakosha (TPMS diagnostic tool), pasina kuvabvisa kubva pavhiri, asiwo nekuzvimiririra kumba kana mugaraji, chete kana yakabviswa kubva padhisiki. Cheki inoitwa zvakarongwa (uchishandisa midziyo yemagetsi yakakosha) kana nemakanika.

Tire pressure sensor mudziyo

Iyo tire pressure monitoring system (muChirungu - TPMS - Tire Pressure Monitoring System) ine zvinhu zviviri zvakakosha. Iwo ekutanga ndiwo chaiwo ma sensors ekumanikidza ari pamavhiri. Kubva kwavari, chiratidzo cheredhiyo chinotumirwa kune chigadziro chekugamuchira chiri mukamuri yevafambi. Iyo yekugamuchira mudziyo, uchishandisa iyo iripo software, inoratidza kudzvanywa pachiratidziro uye kuderera kwayo kana kupesana neyakagadzika iyo inovhenekera vhiri rekutarisa rambi.

Kune marudzi maviri e sensors - mechanical uye electronic. Yekutanga yakaiswa panzvimbo ye spool pavhiri. Izvo zvakachipa, asi kwete sekuvimbika uye nekukurumidza kukundikana, saka hazviwanzo kushandiswa. Asi zvemagetsi zvakavakwa muvhiri, zvakanyanya kuvimbika. Nekuda kwenzvimbo yavo yemukati, ivo vanodzivirirwa zvirinani uye zvakarurama. Nezvavo uye zvichakurukurwa mberi. Iyo yemagetsi tyre pressure sensor muchimiro ine zvinhu zvinotevera:

  • pressure measuring element (pressure gauge) iri mukati mevhiri (tire);
  • microchip, iro basa ndere kushandura chiratidzo cheanalog kubva pakumanikidza geji kuita zvemagetsi;
  • sensor simba chinhu (bhatiri);
  • accelerometer, ine basa rekuyera mutsauko pakati peiyo chaiyo uye inokwevera kukurumidza (izvi zvinodiwa kugadzirisa kumanikidzwa kuverenga zvichienderana neangular velocity yevhiri rinotenderera);
  • antenna (mune ma sensors mazhinji, chivharo chesimbi chezamu chinoita senge antenna).

Ndeipi bhatiri iri muTPMS sensor

Masensor ane bhatiri rinogona kushanda pasina Indaneti kwenguva yakareba. Kazhinji kazhinji aya ndiwo masero e-lithium ane voltage ye 3 volts. CR2450 zvinhu zvakaiswa muma sensors ari mukati mevhiri, uye CR2032 kana CR1632 yakaiswa muma sensors akaiswa pane spool. Izvo zvakachipa uye zvakavimbika. Hupenyu hwebhatiri pakati pe5…7 makore.

Ndeipi iyo frequency yechiratidzo cheiyo tire pressure sensors

Matayi pressure sensors akagadzirirwa kuiswa pa European и Asian mota dzinoshanda paradio frequency yakaenzana ne 433 MHz uye 434 MHz, uye masensa akagadzirirwa American michina - pa 315 MHz, izvi zvinosimbiswa nemitemo yakakodzera. Nekudaro, imwe neimwe sensor ine yayo yakasarudzika kodhi. Naizvozvo, ma sensors emota imwe haagone kuendesa chiratidzo kune imwe mota. Mukuwedzera, iyo yekugamuchira mudziyo "inoona" kubva kune iyo sensor, kureva, kubva kune iro vhiri chiratidzo chinouya.

Nguva yekufambisa inoenderanawo neiyo chaiyo system. kazhinji, kupindirana uku kunosiyana zvichienderana nekuti mota iri kukurumidza sei uye kuti ine kudzvanywa kwakadii muvhiri rega rega. Kazhinji nguva yakarebesa kana uchityaira zvishoma nezvishoma inosvika masekonzi makumi matanhatu, uye nekumhanya kunowedzera, inogona kusvika 60 ... 3 masekondi.

Nheyo yekushanda kweiyo tire pressure sensor

Matai pressure monitoring masisitimu anoshanda pahwaro hwezvakananga uye zvisina kunanga zviratidzo. Masensa anoyera mamwe ma parameter. Saka, kune zviratidzo zvisina kunanga zvekudonhedzwa kwekumanikidzwa muvhiri kuwedzera kweangular velocity yekutenderera kwevhiri rakaponja. Kutaura idi, kana dzvinyiriro iri mairi inodonha, inodzikira mudhayamita, nokudaro inotenderera zvishomanene kupfuura rimwe vhiri paekisero imwe cheteyo. Muchiitiko ichi, kumhanya kunowanzogadziriswa nema sensors eABS system. Muchiitiko ichi, iyo ABS uye matayi ekumanikidza ekutarisa masisitimu anowanzo kusanganiswa.

Chimwe chiratidzo chisina kunanga chevhiri rakaputika kuwedzera kwekushisa kwemhepo yaro uye rabha. Izvi zvinokonzerwa nekuwedzera kwekubatanidza chigamba chevhiri nemugwagwa. Iyo tembiricha inorekodhwa nematembiricha sensors. Masensa mazhinji emazuva ano anoyera panguva imwe chete kumanikidza kuri muvhiri uye tembiricha yemhepo iri mariri. Pressure sensors ine yakakura tembiricha inoshanda renji. Paavhareji, inotangira -40 kusvika +125 madhigirii Celsius.

Zvakanaka, masisitimu ekudzora akananga chiyero chezita chekumanikidza kwemhepo mumavhiri. Kazhinji, ma sensors akadaro anobva pakushanda kweakavakirwa-mukati piezoelectric zvinhu, kureva, muchokwadi, magetsi ekumanikidza gauges.

Kutanga kwema sensors kunoenderana neparameter yavari kuyera. Pressure sensors dzinowanzo kunyorerwa uchishandisa imwe software. Temperature sensors inotanga kushanda nekuwedzera kukuru kana kuderera kwekushisa, kana ichipfuura miganhu inobvumirwa. Uye iyo ABS sisitimu inowanzoita basa rekudzora kumhanya kwekutenderera, saka masensa aya anotangwa kuburikidza nawo.

Zviratidzo kubva kune sensor hazviendi nguva dzose, asi pane dzimwe nguva. Muzhinji TPMS masisitimu, nguva yenguva iri pahurongwa hwe60, zvisinei, mune mamwe masisitimu, sezvo kumhanya kunowedzera, kuwanda kwechiratidzo, kusvika ku2 ... 3 masekonzi, zvakare inova yakawanda.

Kubva pakutumira antenna ye sensor yega yega, chiratidzo cheredhiyo cheimwe frequency inoenda kune yekugamuchira mudziyo. Iyo yekupedzisira inogona kuisirwa mungave mukamuri yevatyairi kana mukamuri yeinjini. Kana maitiro ekushanda ari mugumbo achipfuura miganhu inobvumirwa, sisitimu inotumira alarm kune dashboard kana kune yemagetsi control unit.

Maitiro ekunyoresa (kusunga) masensa

Pane nzira nhatu dzakakosha dzekusunga sensor kune yekugamuchira system element.

Maitiro ekutarisa matayi pressure sensors

Nzira nomwe dzekubatanidza matai pressure sensors

  • Automatic. Mune masisitimu akadaro, mudziyo wekugamuchira mushure meimwe kumhanya (somuenzaniso, makiromita makumi mashanu) pachayo "inoona" masensa uye inoanyora mundangariro dzawo.
  • Stationary. Izvo zvakananga zvinoenderana nemugadziri chaiwo uye inoratidzwa mumirayiridzo. Kuti unyore, unofanirwa kudzvanya nhevedzano yemabhatani kana zvimwe zviito.
  • Kusunga kunoitwa uchishandisa midziyo yakakosha.

wo, masensor akawanda anokonzereswa otomatiki mushure mekunge mota yatanga kutyaira. kune vagadziri vakasiyana, kumhanya kunoenderana kunogona kusiyana, asi kazhinji i10 .... makiromita makumi maviri paawa.

Upenyu hwebasa rematayi pressure sensors

Hupenyu hwesevhisi hwe sensor hunoenderana nematanho mazhinji. Chokutanga pane zvose, unhu hwavo. Masensa ekutanga "kurarama" kweanenge 5…7 makore. Mushure meizvozvo, bhatiri ravo rinowanzoburitswa. Nekudaro, mazhinji akachipa universal sensors anoshanda zvishoma. Kazhinji, hupenyu hwavo hwesevhisi makore maviri. Vanogona kunge vachiri nemabhatiri, asi nyaya dzavo dzinoparara uye dzinotanga "kukundikana". Nomuzvarirwo, kana chero sensor ikakuvadzwa nemagetsi, hupenyu hwayo hwesevhisi hunogona kuderedzwa zvakanyanya.

tire pressure sensors kukundikana

Pasinei nemugadziri, kazhinji, kutadza kwema sensor kunowanzoitika. kureva, kukundikana kunotevera kweiyo tire pressure sensor kunogona kuitika:

  • Kukundikana kwebhatiri. Ichi ndicho chimwe chezvikonzero zvinowanzoitika nei mota tire pressure sensor isingashande. Bhatiri rinogona kungorasikirwa nekuchaja kwayo (kunyanya kana sensor yatove yasakara).
  • Antenna kukuvara. Kazhinji, iyo pressure sensor antenna isimbi kavha pane vhiri nipple. Kana iyo chivharo ichikanganiswa nemagetsi, ipapo chiratidzo kubva mairi chingave chisingauye zvachose, kana chinogona kuuya nenzira isiriyo.
  • Rova pane sensor yezvinyorwa zvetekinoroji. Kuitwa kwemotokari tire pressure sensor kunoenderana nekuchena kwayo. kureva, usabvumira makemikari kubva mumugwagwa kana kungoita tsvina, tire conditioner kana dzimwe nzira dzakagadzirirwa kuchengetedza matayi kuti asvike pane sensor housing.
  • Sensor kukuvara. Muviri waro unofanirwa kunge wakakwenenzverwa pahunde yevharuvhu yemuzamu. Iyo TPMS sensor inogona kukuvadzwa semhedzisiro yetsaona, kusabudirira kugadzirisa mavhiri, mota ichirova chipingamupinyi chakakomba, zvakanaka, kana nekuda kwekutadza kuisirwa / kuputsa. Paunenge uchibvisa vhiri pachitoro chetayi, gara uchinyevera vashandi nezvekuvapo kwemasensa!
  • Kunamira chivharo pashinda. Mamwe matransducer anoshandisa chete chivharo chepurasitiki chekunze. Vane ma radio transmitters mukati. Nokudaro, zvivharo zvesimbi hazvigoni kuvharwa pavari, sezvo zvingangoita kuti vanongonamatira kune sensor tube pasi pesimba rehunyoro nemakemikari uye hazvizogoneki kuvasunungura. Muchiitiko ichi, vanongogurwa uye, chaizvoizvo, sensor inokundikana.
  • Depressurization ye sensor nipple. Izvi zvinowanzoitika kana kuisa masensa kana chisimbiso naironi washer isina kuiswa pakati pezamu nemukati rabha bhendi, kana panzvimbo yesimbi washer pachinzvimbo chenaironi washer. Nekuda kwekuiswa kwakashata, kusingaperi mhepo etching inooneka. Uye mune yekupedzisira kesi, zvinogoneka zvakare kuti puck ibatire pazamu. Ipapo iwe unofanirwa kutema nut, shandura kukodzera.

Maitiro ekutarisa matayi pressure sensors

Kutarisa iyo vhiri pressure sensor inotanga necheki ine pressure gauge. Kana iyo geji yekumanikidza ichiratidza kuti kudzvanywa kwevhiri kwakasiyana neyezita, pombi iyo kumusoro. Kana iyo sensor ichiri kuita zvisizvo mushure meizvozvo kana kukanganisa kusingaendi, unogona kushandisa chirongwa kana chinhu chakakosha, wobva waibvisa uye woita mamwe macheki.

Ndokumbira utarise kuti usati wabvisa sensor kubva pavhiri, mweya unofanirwa kuburitswa kubva muvhiri. Uye iwe unofanirwa kuita izvi pane yakatumirwa vhiri. Ndiko kuti, mumamiriro egaraji, nerubatsiro rwejeki, unofanirwa kurembera mavhiri.

Nzira yekuziva sei kukanganisa tyre pressure sensor

Chekutanga pane zvese, iwe unofanirwa kutarisa mashandiro ema sensors. Kuti uite izvi, iwe unofanirwa kutanga injini yekupisa yemukati uye ona kana vhiri rekumanikidza yambiro mwenje pane dashboard rakabatidzwa kana kudzima. Mune dzimwe motokari, ECU inokonzera izvi. Yambiro ichaonekwawo papanera inoratidza imwe sensor inoratidza kudzvanywa kwakashata kana kusavapo kwechiratidzo. Nekudaro, hadzisi mota dzese dzine mwenje unoratidza matambudziko neiyo tire pressure sensor. Pane zvakawanda, ruzivo rwakakodzera runopiwa zvakananga kune yemagetsi control unit, uye ipapo kukanganisa kunooneka. Uye chete mushure meizvozvo zvakakosha kuita cheki chesoftware ye sensors.

Kune vatyairiwo zvavo, pane nzira iri nyore yekutarisa kudzvanywa kwetayi pasina kudzvanywa geji. Kuti uite izvi, unofanirwa kushandisa iyo yekuvheneka mudziyo ELM 327 vhezheni 1,5 uye yepamusoro. Iyo verification algorithm ndeiyi inotevera:

Screenshot yeHobDrive chirongwa. Ndoita sei kuti ndizive yakanganisa tire sensor

  • iwe unofanirwa kudhawunirodha uye kuisa iyo yemahara vhezheni yeHobDrive chirongwa pane mobile gadget kuti ushande neimwe mota.
  • Uchishandisa chirongwa, iwe unofanirwa "kubata" neiyo diagnostic tool.
  • Enda kune zvirongwa zvepurogiramu. Kuti uite izvi, tanga watanga "Screen" basa, uye ipapo "Settings".
  • Mune iyi menyu, iwe unofanirwa kusarudza iyo "Motokari parameters" basa. inotevera - "ECU marongero".
  • Mumutsara wemhando yeECU, unofanirwa kusarudza modhi yemotokari uye vhezheni yesoftware yayo, wobva wadzvanya bhatani rekuti OK, nekudaro uchichengetedza marongero akasarudzwa.
  • Tevere, iwe unofanirwa kuseta ma parameter ematairi sensors. Kuti uite izvi, enda ku "TPMS parameters" basa.
  • Zvadaro pa "Type" uye "Yashaikwa kana yakavakirwa-mukati TPMS". Izvi zvichagadzirisa purogiramu.
  • ipapo, kutarisa matai, unofanira kudzokera "Screens" menyu uye tinya "Tire kumanikidza" bhatani.
  • Ruzivo ruchaonekwa pachiratidziro muchimiro chemufananidzo pamusoro pekumanikidzwa mune rimwe tire remota, pamwe nekupisa kuri mairi.
  • zvakare mu "Screens" basa, unogona kuona ruzivo nezve sensor yega yega, kureva, ID yayo.
  • Kana iyo purogiramu isingapi ruzivo pamusoro peimwe sensor, saka iyi ndiyo "mhosva" yekukanganisa.

Kune mota dzakagadzirwa neVAG nechinangwa chakafanana, unogona kushandisa chirongwa cheVasya Diagnostic (VagCom). Iyo verification algorithm inoitwa sezvinotevera:

  • Imwe sensor inofanira kusiiwa muvhiri rekusara uye kuiswa muhunde. Iyo mbiri yekumberi inofanira kuiswa mukamba iri pedyo nemutyairi nemutakuri mikova, zvichiteerana. Rear sensors inoda kuiswa mumakona akasiyana ehunde, kurudyi uye kuruboshwe, padyo nemavhiri.
  • Kuti utarise mamiriro emabhatiri, unofanirwa kutanga injini yekupisa yemukati kana kungobatidza injini yekubatidza. zvino unofanira kuenda controller nhamba 65 kubva rokutanga kusvika 16 boka. Kune mapoka matatu pa sensor. Kana zvese zvakanaka, chirongwa chicharatidza zero kudzvanywa, tembiricha uye sensor bhatiri chimiro.
  • Iwe unogona kutarisa nenzira imwechete kuti sei ma sensors anopindura kune tembiricha. Semuyenzaniso, kuvaisa alternately pasi inodziya deflector, kana muhunde inotonhora.
  • Kuti utarise mamiriro emabhatiri, unofanirwa kuenda kune imwechete controller nhamba 65, kureva, mapoka 002, 005, 008, 011, 014. Ikoko, ruzivo runoratidza kuti yakawanda sei bhatiri imwe neimwe inofanirwa kushanda mumwedzi. Nekuenzanisa ruzivo urwu netembiricha yakapihwa, unogona kuita sarudzo yakanaka yekutsiva imwe kana imwe sensor kana bhatiri chete.

Kutarisa bhatiri

Pa sensor yakabviswa, chinhu chekutanga kuita kutarisa bhatiri rayo (bhatiri). Zvinoenderana nenhamba, ndeye dambudziko iri iyo sensor inowanzomira kushanda. Kazhinji, bhatiri inovakwa mukati memuviri we sensor uye yakavharwa nevhavha yekudzivirira. Nekudaro, kune masensa ane kesi yakavharwa zvachose, ndiko kuti, umo kutsiva kwebhatiri hakupiwi. Zvinonzwisisika kuti sensors dzakadaro dzinoda kuchinjwa zvachose. Kazhinji, masensa eEuropean neAmerica haaparadzanisiki, nepo Korean neJapan sensors inodonha, ndiko kuti, inogona kushandura bhatiri.

Saizvozvo, kana iyo kesi ichidonha, saka, zvichienderana nekugadzirwa kweiyo sensor, inofanirwa kuparadzaniswa uye bhatiri rinobviswa. Mushure maizvozvi, shandura iyo neimwe itsva, uye tarisa kushanda kweiyo tire pressure sensor. Kana isingapindike, saka iwe unozofanirwa kuichinja, kana kuvhura kesi uye kuburitsa bhatiri, wobva wanamira kesi yacho zvakare.

Flat mabhatiri "mapiritsi" ane zita remagetsi e3 volts. Zvisinei, mabhatiri matsva anowanzopa magetsi anenge 3,3 volts, uye sezvinoratidzwa nemaitiro, sensor sensor inogona "kukundikana" apo bhatiri rinobudiswa kusvika ku2,9 volts.

Inokodzera masensa anokwira pane chimwe chinhu kweanenge makore mashanu uye anopfuura, anosvika 7 ... 10 makore. Paunenge uchiisa sensor nyowani, inowanzoda kutangwa. Izvi zvinoitwa nesoftware, zvichienderana neiyo chaiyo system.

Kuongorora kunoonekwa

Paunenge uchitarisa, iva nechokwadi chekutarisa sensor nekuona. kuti vaone kana muviri wayo wakatsemuka, wakatsemuka, kana pane mitezo yakavhunika. Kunyanya kutarisisa kunofanirwa kubhadharwa kune kutendeseka kwechivharo pazamu, sezvo, sezvataurwa pamusoro apa, mune akawanda magadzirirwo anoshanda seanotumira antenna. Kana iyo chivharo ichikuvadza, inofanira kutsiviwa neimwe itsva. Kana iyo sensor imba yakakuvadzwa, mikana yekudzorera mashandiro ishoma.

Pressure test

TPMS sensors inogonawo kuedzwa uchishandisa zvakagadzirirwa maturusi. kureva, kune dzimba dzesimbi dzakakosha pazvitoro zvematai, dzakavharwa zvine mutsindo. Iwo ane ma sensors akaedzwa. Uye padivi pebhokisi pane hose yerabha ine zamu yekupomba mweya muhuwandu hwayo.

Chimiro chakafanana chinogona kuvakwa chakazvimirira. Semuenzaniso, kubva mugirazi kana bhodhoro repurasitiki rine hermetically rakavharwa chivharo. Uye isa sensor mairi, uye batanidza hose yakavharwa yakafanana ine nipple. Nekudaro, dambudziko riri pano nderekuti, chekutanga, sensor iyi inofanirwa kuendesa chiratidzo kune chekutarisa. Kana pasina chekutarisa, cheki yakadaro haigoneki. Uye chechipiri, iwe unofanirwa kuziva iyo tekinoroji paramita ye sensor uye maficha ekushanda kwayo.

Verification by special ways

Masevhisi ehunyanzvi anowanzo ane yakakosha hardware uye software yekutarisa matai pressure sensors. Mamwe anonyanya kufarirwa ndeye diagnostic scanners yekutarisa kudzvanywa uye kumanikidza sensors kubva kuAutel. Semuenzaniso, imwe yemhando dzakareruka ndeyeAutel TS408 TPMS. Nayo, iwe unogona kumisa uye kuongorora ingangoita chero yekumanikidza sensor. kureva, hutano hwayo, mamiriro ebhatiri, tembiricha, shanduko yekuchinja uye zvirongwa zvesoftware.

Zvisinei, kukanganisa kwezvigadzirwa zvakadaro zviri pachena - mutengo wavo wepamusoro. Semuenzaniso, iyo yekutanga modhi yechishandiso ichi, kubva muchirimo 2020, ingangoita zviuru makumi maviri nezvishanu zveRussia rubles.

Tire pressure sensor kugadzirisa

Matanho ekugadzirisa anoenderana nezvikonzero nei sensor yakundikana. Rudzi rwakajairika rwekugadzirisa wega ndeyekutsiva bhatiri. Sezvambotaurwa pamusoro apa, masensa akawanda ane imba isina kupatsanurwa, saka zvinonzwisisika kuti bhatiri haigone kutsiviwa mavari.

Kana iyo sensor imba isina-kuparadzaniswa, saka inogona kuvhurwa nenzira mbiri kutsiva bhatiri. Yokutanga ndeyekucheka, yechipiri ndeyekunyunguduka, semuenzaniso, nesimbi yekusimbisa. Iwe unogona kuicheka nehacksaw, jigsaw yemaoko, banga rine simba kana zvinhu zvakafanana. Izvo zvinodikanwa kushandisa simbi yekunyungudutsa iyo kesi plastiki zvakanyatsonaka, kunyanya kana iyo sensor kesi idiki. Zviri nani kushandisa simbi shoma uye isina simba. Kutsiva bhatiri pachayo hakuna kuoma. Chinhu chikuru hachisi chekuvhiringidza bhatiri brand uye polarity. Mushure mekutsiva bhatiri, usakanganwa kuti sensor inofanira kutanga muhurongwa. Dzimwe nguva izvi zvinoitika otomatiki, asi kazhinji zvinoitika nekuda kweizvi, kune chaiyo mota, algorithm.

Zvinoenderana nenhamba, paKia neHyundai mota, yekutanga matai kumanikidza sensors haapfuuri makore mashanu. Kunyangwe kumwe kutsiva mabhatiri kazhinji hakubatsiri. Saizvozvo, ivo vanowanzotsiviwa nemitsva.

Pakubvisa vhiri, zvinonzwa zvekumanikidza zvinowanzokuvadza zamu. Imwe nzira yekugadzirisa dambudziko iri kucheka shinda mukati mezamu nepombi. Kazhinji iyi inenge 6 mm thread. Uye maererano, saka iwe unofanirwa kutora zamu kubva kune yekare kamera uye kutema rabha yese kubva pairi. mberi pairi, zvakafanana, cheka shinda yekunze yedhayamita imwechete uye pitch. Uye batanidza aya maviri akawanikwa ruzivo. Muchiitiko ichi, zvinodikanwa kubata chimiro nechisimbiso.

Kana mota yako yanga isati yashongedzerwa matayi ekumanikidza sensors, saka kune universal masisitimu anogona kutengwa uye kuiswa kuwedzera. Nekudaro, sezvakataurwa nenyanzvi, kazhinji masisitimu akadaro, uye nekudaro, ma sensors anogara kwenguva pfupi. Uye zvakare, kana uchiisa sensor nyowani muvhiri, inoda kuvandudzwa! Naizvozvo, pakumisikidza uye kuenzanisa, zvinodikanwa kutsvaga rubatsiro kubva kune yekumisikidza matayi, sezvo midziyo yakakodzera iripo chete.

mhedziso

Chekutanga pane zvese, chinoda kutariswa pane tyre pressure sensor ibhatiri. Kunyanya kana sensor yave iri mubasa kwemakore anopfuura mashanu. Zvakanakisa kutarisa sensor uchishandisa nyanzvi maturusi. Paunenge uchitsiva sensor neitsva, zvinodikanwa "kuinyoresa" muhurongwa kuitira kuti "ione" uye ishande nemazvo. Uye usakanganwa, kana uchichinja matai, kunyevera mushandi wekutaira matairi kuti sensor yekumanikidza yakaiswa muvhiri.

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