Ngexesha lokugqibela siye saxubusha iiPumpu ze-Electric Vacuum (EVPs ngokufutshane).Njengoko sinokubona, zininzi iingenelo ze-EVPs.Ii-EVP nazo zineengxaki ezininzi, kuquka ingxolo.Kwindawo ye-plateau, ngenxa yoxinzelelo lomoya oluphantsi, i-EVP ayikwazi ukubonelela ngeqondo eliphezulu elifanayo le-vacuum njengendawo ecacileyo, kwaye uncedo lwe-vacuum booster luhluphekile, kwaye i-pedal force iya kuba nkulu.Zimbini ezona ntsilelo zibulalayo.Enye bubude bobomi.Ezinye ii-EVP ezinexabiso eliphantsi zinobomi obungaphantsi kweeyure eziyi-1,000.Enye yinkcitho yamandla.Sonke siyazi ukuba xa isithuthi sombane sigudla unxweme okanye i-braking, i-friction force inokuqhuba i-motor ukujikeleza ukuvelisa ngoku.Le misinga inokutshaja ibhetri kwaye igcine la mandla.Oku kukunyathela kwakhona amandla.Ungawajongeli phantsi la mandla.Kumjikelo we-NEDC wemoto edibeneyo, ukuba i-braking energy inokubuyiselwa ngokupheleleyo, inokugcina malunga ne-17%.Kwiimeko eziqhelekileyo zasezidolophini, umlinganiselo wamandla asetyenziswe kukuqhobosheka kwesithuthi ukuya kumandla okuqhuba ewonke unokufikelela kuma-50%.Inokubonwa ukuba ukuba izinga lokubuyisela amandla e-braking lingaphuculwa, uluhlu lokuhamba ngenqanawa lunokwandiswa kakhulu kwaye uqoqosho lwezithuthi lunokuphuculwa.I-EVP idityaniswe ngokuhambelana nenkqubo ye-braking, oku kuthetha ukuba amandla okuvuselela i-motor agxininiswe ngokuthe ngqo kwi-original friction braking force, kwaye i-original braking force force ayilungiswanga.Izinga lokubuyisela amandla liphantsi, kuphela malunga ne-5% ye-Bosch iBooster ekhankanywe kamva.Ukongeza, i-braking comfort ayilunganga, kwaye ukudityaniswa kunye nokutshintsha kwe-motor regenerative braking kunye ne-friction braking kuya kuvelisa izothuso.
Lo mfanekiso ungasentla ubonisa iskimu se-SCB
Nangona kunjalo, i-EVP isasetyenziswa ngokubanzi, kuba ukuthengiswa kwezithuthi zombane kuphantsi, kwaye isakhono soyilo lwe-chassis yasekhaya sikwabi kakhulu.Uninzi lwazo zikhutshelwe i-chassis.Kuphantse ukuba akunakwenzeka ukuyila i-chassis yezithuthi zombane.
Ukuba i-EVP ayisetyenziswanga, i-EHB (i-Electronic Hydraulic Brake Booster) iyafuneka.I-EHB inokwahlulwa ibe ziindidi ezimbini, enye ine-accumulator yoxinzelelo oluphezulu, edla ngokubizwa ngokuba luhlobo olumanzi.Enye yeyokuba i-motor ityhala ngqo ipiston ye-master cylinder, edla ngokubizwa ngokuba luhlobo olomileyo.Izithuthi zamandla amatsha eHybrid ngokusisiseko zezangaphambili, kwaye ummeli oqhelekileyo wale yokugqibela yiBosch iBooster.
Makhe siqale sijonge i-EHB ene-accumulator ene-voltage ephezulu, eneneni eluguqulelo oluphuculweyo lwe-ESP.I-ESP nayo inokuthathwa njengohlobo lwe-EHB, i-ESP inokuqhobosha ngokusebenzayo.
Umfanekiso osekhohlo ngumzobo woyilo wevili le-ESP:
a--ivalve yokulawula N225
i-b--dynamic control valve high-pressure valve N227
c--ivalve ye-oyile yokungena
d--ivalve yokukhupha ioyile
e--isilinda esiqhoboshelweyo
f--buyisela impompo
g--esebenzayo servo
I-h--low-pressure accumulator
Kwinqanaba lokunyusa, i-motor kunye ne-accumulator yakha i-pre-pressure ukwenzela ukuba impompo yokubuyisela ifunxe i-brake fluid.I-N225 ivaliwe, i-N227 ivuliwe, kwaye i-valve yokungena kwe-oyile ihlala ivulekile kude kube yilapho isondo ibhuleki ukuya kumandla afunekayo okuqhawula.
Ukubunjwa kwe-EHB ngokusisiseko kuyafana naleyo ye-ESP, ngaphandle kokuba i-accumulator yoxinzelelo oluphantsi ithathelwa indawo yi-accumulator yoxinzelelo oluphezulu.I-accumulator yoxinzelelo oluphezulu inokwakha uxinzelelo kanye kwaye isebenzise amaxesha amaninzi, ngelixa i-accumulator ye-low-pressure accumulator ye-ESP inokwakha uxinzelelo kanye kwaye inokusetyenziswa kanye kuphela.Ngalo lonke ixesha isetyenziswe, eyona nto ingundoqo ye-ESP kunye neyona nto ichanekileyo yepompo ye-plunger kufuneka imelane nokushisa okuphezulu kunye noxinzelelo oluphezulu, kwaye ukusetyenziswa okuqhubekayo kunye nokuqhelekileyo kuya kunciphisa ubomi bayo.Emva koko kukho uxinzelelo oluncinci lwe-accumulator yoxinzelelo oluphantsi.Ngokubanzi, ubuninzi bamandla okuqhobosha malunga ne-0.5g.I-standard braking force ingaphezulu kwe-0.8g, kwaye i-0.5g ikude ngokwaneleyo.Ekuqaleni koyilo, inkqubo ye-braking elawulwa yi-ESP isetyenziswe kuphela kwiimeko ezingxamisekileyo ezimbalwa, akukho ngaphezu kwamaxesha e-10 ngonyaka.Ngoko ke, i-ESP ayinakusetyenziswa njengenkqubo ye-braking yesiqhelo, kwaye ingasetyenziswa kuphela ngamaxesha athile kwiimeko ezincedisayo okanye ezingxamisekileyo.
Lo mfanekiso ungasentla ubonisa i-accumulator yoxinzelelo oluphezulu lweToyota EBC, oluthi lufane nomthombo wegesi.Inkqubo yokuvelisa i-accumulators ephezulu yoxinzelelo yinto enzima.UBosch waqala wasebenzisa iibhola zokugcina amandla.Isenzo sibonakalise ukuba i-nitrogen-based high-pressure accumulators zezona zifanelekileyo.
I-Toyota yaba ngowokuqala ukusebenzisa inkqubo ye-EHB kwinqwelo-mafutha eveliswe ngobuninzi, eyayiyi-Prius yesizukulwana sokuqala (iparamitha | umfanekiso) eyasungulwa ekupheleni kuka-1997, kwaye i-Toyota yayibiza ngokuba yi-EBC.Ngokubhekiselele kwi-braking energy recovery, i-EHB iphuculwe kakhulu xa kuthelekiswa ne-EVP yendabuko, kuba idityanisiwe ukusuka kwi-pedal kwaye ingaba yinkqubo yochungechunge.I-motor ingasetyenziselwa ukubuyisela amandla kuqala, kwaye i-braking yongezwa kwinqanaba lokugqibela.
Ekupheleni kuka-2000, i-Bosch nayo yavelisa i-EHB yayo, eyayisetyenziswa kwi-Mercedes-Benz SL500.UMercedes-Benz wayibiza ngokuba yiSBC.Inkqubo ye-EHB kaMercedes-Benz yayisetyenziswa ekuqaleni kwizithuthi zamafutha, njengenkqubo encedisayo.Inkqubo yayinzima kakhulu kwaye yayinemibhobho emininzi kakhulu, kwaye uMercedes-Benz wakhumbula i-E-Class (iparamitha | imifanekiso), i-SL-class (iparamitha | imifanekiso) kunye ne-CLS-classes (iparamitha | Ifoto) sedan, iindleko zokugcinwa ziphezulu kakhulu. phezulu, kwaye kuthatha ngaphezulu kwe 20,000 yuan ukuze endaweni ye SBC.U-Mercedes-Benz wayeka ukusebenzisa i-SBC emva kwe-2008. U-Bosch waqhubeka nokwandisa le nkqubo kwaye watshintshela kwi-nitrogen high-pressure accumulators.Ngo-2008, yasungula i-HAS-HEV, esetyenziswa kakhulu kwiimoto ezixubileyo eYurophu nakwi-BYD e-China.
Emva koko, i-TRW ikwaphehlelele inkqubo ye-EHB, ethi i-TRW yayithiya ngokuba yi-SCB.Uninzi lweehybrids zakwaFord namhlanje zii-SCBs.
Inkqubo ye-EHB inzima kakhulu, i-accumulator ye-high-voltage yoyika ukungcangcazela, ukuthembeka akukho phezulu, umthamo nawo mkhulu, iindleko nazo ziphezulu, ubomi benkonzo buyabuzwa, kwaye iindleko zokulondoloza zinkulu.Ngo-2010, u-Hitachi uphehlelele i-EHB yokuqala eyomileyo yehlabathi, eyile, i-E-ACT, neyeyona EHB iphambili ngoku.izifo.Umjikelo we-R&D we-E-ACT ude ube yiminyaka eyi-7, emva kweminyaka emi-5 yovavanyo lokuthembeka.Kwakungekho kude kube ngu-2013 ukuba i-Bosch iqalise i-iBooster yesizukulwana sokuqala, kunye nesizukulwana sesibini iBooster ngo-2016. Isizukulwana sesibini iBooster safikelela kumgangatho we-E-ACT ka-Hitachi, kwaye amaJapan ayephambi kwesizukulwana saseJamani kwintsimi ye-E-ACT. EHB.
Lo mfanekiso ungasentla ubonisa ubume be-E-ACT
I-EHB eyomileyo iqhuba ngokuthe ngqo intonga yokutyhala ngenjini ize ityhale ipiston ye-master cylinder.Amandla ajikelezayo e-motor aguqulwa abe yi-linear motion force ngokusebenzisa i-screw roller (E-ACT).Kwangaxeshanye, isikrufu sebhola sikwasisinciphisi, esinciphisa isantya semoto ukuya Ukwanda kwetorque kutyhala i-piston yesilinda eyinkosi.Umgaqo ulula kakhulu.Isizathu sokuba abantu bangaphambili bengayisebenzisi le ndlela kukuba inkqubo yokuqhoboshwa kwemoto ineemfuno ezithembeke kakhulu, kwaye ukungasebenzi okwaneleyo kufuneka kugcinwe.Ubunzima bulele kwi-motor, efuna ubungakanani obuncinci benjini, isantya esiphezulu (ngaphezu kwe-10,000 revolutions ngomzuzu), i-torque enkulu, kunye nokuchithwa kakuhle kobushushu.Ukunciphisa kwakhona kunzima kwaye kufuna ukuchaneka okuphezulu komatshini.Kwangaxeshanye, kuyimfuneko ukwenza inkqubo yokuphucula nge-master cylinder hydraulic system.Ke ngoko, i-EHB eyomileyo ibonakala kade.
Umfanekiso ongentla ubonisa ubume bangaphakathi kwi-iBooster yesizukulwana sokuqala.
Igiya leentshulube lisetyenziselwa ukuthotywa kwamanqanaba amabini ukunyusa itorque eshukumayo.I-Tesla isebenzisa i-iBooster yesizukulwana sokuqala kwibhodi, kunye nazo zonke izithuthi zamandla amatsha e-Volkswagen kunye ne-Porsche 918 zisebenzisa i-iBooster yesizukulwana sokuqala, i-GM's Cadillac CT6 kunye ne-Chevrolet's Bolt EV nazo zisebenzisa i-iBooster yesizukulwana sokuqala.Olu yilo kuthiwa luguqula i-95% yamandla okuvuselela ibraking ibe ngumbane, iphucula kakhulu uluhlu lokuhamba ngeenqwelo ezintsha zamandla.Ixesha lokuphendula liphinde libe li-75% lifutshane kunenkqubo ye-EHB emanzi ene-accumulator yoxinzelelo oluphezulu.
Umfanekiso okunene ungentla licandelo lethu # EHB-HBS001 Electric Hydraulic Brake Booster efanayo nomfanekiso wasekhohlo apha ngasentla.Indibano ekhohlo yi-iBooster yesizukulwana sesibini, esebenzisa i-worm gear yesigaba sesibini kwi-screw yebhola yenqanaba lokuqala lokunciphisa, ukunciphisa kakhulu umthamo kunye nokuphucula ukuchaneka kokulawula.Zinemveliso ezine zechungechunge kunye nobukhulu be-booster ukusuka kwi-4.5kN ukuya kwi-8kN, kunye ne-8kN ingasetyenziswa kwi-9-seat car small passenger.
I-IBC iya kuqaliswa kwi-platform ye-GM K2XX kwi-2018, eyona i-GM pickup series.Qaphela ukuba esi sisithuthi samafutha.Ewe, iimoto zombane nazo zingasetyenziswa.
Uyilo kunye nokulawulwa kwenkqubo ye-hydraulic iyinkimbinkimbi, ifuna ukuqokelela kwexesha elide lamava kunye nobuchule obugqwesileyo bokusebenza, kwaye bekusoloko kukho into engenanto kule ntsimi e-China.Kwiminyaka edlulileyo, ukwakhiwa kwesiseko sayo semizi-mveliso kuye kwangahoywa, kwaye umgaqo wokuboleka wamkelwe ngokupheleleyo;kuba inkqubo yokuqhobosha ineemfuno ezithembeke kakhulu, iinkampani ezisahlumayo azinakuqatshelwa zii-OEMs kwaphela.Ke ngoko, uyilo kunye nokuveliswa kwenxalenye yehydraulic ye-hydraulic brake system yemoto ilawulwa ngokupheleleyo ngamashishini adibeneyo okanye iinkampani zangaphandle, kwaye ukuyila kunye nokuvelisa inkqubo ye-EHB, kuyimfuneko ukwenza idocking kunye noyilo lonke kunye inxalenye ye-hydraulic, ekhokelela kuyo yonke inkqubo ye-EHB.Gqibezela imonopoly yeenkampani zangaphandle.
Ukongeza kwi-EHB, kukho inkqubo ye-braking ephezulu, i-EMB, ephantse igqibelele kwithiyori.Ilahla zonke iinkqubo zamanzi kwaye inexabiso eliphantsi.Ixesha lokuphendula lenkqubo ye-elektroniki yi-90 milliseconds kuphela, ekhawuleza kakhulu kune-iBooster.Kodwa zininzi iintsilelo.Ububi 1. Akukho sistim yogcino, efuna ukuthembeka okuphezulu kakhulu.Ngokukodwa, inkqubo yamandla kufuneka izinze ngokupheleleyo, ilandelwe yimpazamo yokunyamezela inkqubo yonxibelelwano lwebhasi.Unxibelelwano olulandelelanayo lwenode nganye kwisistim kufuneka lube nokunyamezela impazamo.Ngexesha elifanayo, inkqubo idinga ubuncinane ii-CPU ezimbini ukuqinisekisa ukuthembeka.Ububi 2. Ukungonelanga kwamandla okuqhobosha.Inkqubo ye-EMB kufuneka ibe kwi-hub.Ubungakanani be-hub bumisela ubungakanani bemoto, nto leyo ebonisa ukuba amandla emoto akanakuba makhulu kakhulu, ngelixa iimoto eziqhelekileyo zifuna i-1-2KW yamandla okubhuqa, okwangoku akunakwenzeka kwiinjini ezincinci.Ukufikelela kwiindawo eziphakamileyo, igalelo lombane kufuneka linyuswe kakhulu, kwaye nangona kunjalo kunzima kakhulu.Ububi 3. Iqondo lobushushu lendawo yokusebenza liphezulu, iqondo lobushushu elikufutshane neepakethi zebrake liphezulu ukuya kuthi ga kumakhulu eedigri, kwaye ubungakanani bemoto bumisela ukuba kunokusetyenziswa injini yemagnethi esisigxina kuphela, kwaye umazibuthe osisigxina uya demagnetize kumaqondo obushushu aphezulu. .Kwangaxeshanye, amanye amacandelo e-semiconductor ye-EMB kufuneka asebenze kufutshane neebrake pads.Akukho zixhobo ze-semiconductor ezinokumelana nokushisa okuphezulu okunjalo, kwaye ukunciphisa umthamo kwenza kube nzima ukongeza inkqubo yokupholisa.Ukungalungi 4. Kuyimfuneko ukuphuhlisa inkqubo ehambelanayo ye-chassis, kwaye kunzima ukumodareyitha ukuyila, okubangelwa iindleko eziphezulu kakhulu zophuhliso.
Ingxaki yokungonelanga kwamandla okuqhobosha kwe-EMB ayinakusombululeka, kuba ukuqina kwemagnethi yemagnethi esisigxina, isezantsi iqondo lobushushu leCurie, kwaye i-EMB ayinako ukunqumla umda womzimba.Nangona kunjalo, ukuba iimfuno zokunyanzeliswa kwe-braking zincitshisiwe, i-EMB isenokusebenza.Inkqubo yangoku yokupaka i-electronic EPB yi-EMB braking.Emva koko kukho i-EMB efakwe kwivili elingasemva elingafuni mandla aphezulu e-braking, njenge-Audi R8 E-TRON.
Ivili langaphambili le-Audi R8 E-TRON iseyi-design ye-hydraulic yemveli, kunye nevili elingasemva yi-EMB.
Umfanekiso ongasentla ubonisa inkqubo ye-EMB ye-R8 E-TRON.
Siyabona ukuba ububanzi benjini bunokuba malunga nomnwe omncinci.Bonke abavelisi benkqubo yeziqhoboshi ezifana ne-NTN, Shuguang Industry, Brembo, NSK, Wanxiang, Wanan, Haldex, kunye neWabco basebenza nzima kwi-EMB.Ewe kunjalo, iBosch, i-Continental kunye ne-ZF TRW ayizukusebenza nayo.Kodwa i-EMB ayinakuze ikwazi ukutshintsha inkqubo ye-hydraulic braking.
Ixesha lokuposa: May-16-2022