SAIC MAXUS V80 Polaka ea ho futhumatsa Brand ea mantlha - Naha tse hlano 0281002667

Sensor ea boemo ba Camshaft ke sesebelisoa sa kutlo, seo hape se bitsoang synchronous signal sensor, ke sesebelisoa sa ho beha khetho ea cylinder, lets'oao la boemo ba camshaft ho ECU, ke lets'oao la taolo ea mollo.

1, ts'ebetso 'me u thaepe Camshaft Position Sensor (CPS), mosebetsi oa eona ke ho bokella lets'oao la Camshaft move Angle, le ho kenya yuniti ea taolo ea elektronike (ECU), e le ho fumana nako ea ho khantša le nako ea ente ea mafura. Camshaft Position Sensor (CPS) e boetse e tsejoa e le Cylinder Identification Sensor (CIS), e le ho khetholla ho crankshaft Position Sensor (CPS), li-sensor tsa boemo ba Camshaft hangata li emeloa ke CIS. Mosebetsi oa sensor ea boemo ba camshaft ke ho bokella lets'oao la boemo ba camshaft ea kabo ea khase ebe o e kenya ho ECU, e le hore ECU e tsebe ho tseba sebaka sa compression top dead center ea cylinder 1, e le ho etsa taolo e latellanang ea ente ea mafura, taolo ya nako ya ho hotetsa le taolo ya deignition. Ntle le moo, lets'oao la boemo ba camshaft le boetse le sebelisoa ho tsebahatsa motsotso oa pele oa ho chesa nakong ea ho qala enjene. Hobane sensor ea boemo ba camshaft e khona ho tseba hore na piston ea cylinder e haufi le ho fihla TDC efe, e bitsoa cylinder recognition sensor.photoelectricStructural character ofPhotoelectric crankshaft le camshaft position sensor e hlahisoang ke company ea Nissan e ntlafatsoa ho tsoa ho distributor, haholo-holo ka signal disk (signal rotor ), jenereithara ea matšoao, lisebelisoa tsa ho aba, ntlo ea sensor le plug harness wire. Sebakeng se haufi le moeli oa poleiti ea mats'oao ho etsa radian ea nako e ts'oanang ka hare le ka ntle ho li-circles tse peli tsa masoba a khanyang. Har'a tsona, selikalikoe sa ka ntle se entsoe ka likoti tse 360 ​​tse hlakileng (likheo), 'me radian ea karohano ke 1. (Sekoti sa Transparent e ne e le 0.5. , lesoba la shading le na le 0.5.), le sebelisetsoang ho hlahisa ho potoloha ha crankshaft le pontšo ea lebelo; Ho na le masoba a 6 a hlakileng (li-rectangular L) ka har'a selikalikoe se ka hare, ka nako ea li-radians tse 60. , e sebelisetsoa ho hlahisa letšoao la TDC la cylinder e 'ngoe le e' ngoe, har'a eona ho na le khutlonnetsepa e nang le moeli o pharaletseng hanyenyane bakeng sa ho hlahisa letšoao la TDC la cylinder 1. Jenereithara ea pontšo e tsitsitse ho ntlo ea kutlo, e entsoeng ka pontšo ea Ne (lebelo le lebelo le phahameng). Angle signal) jenereithara, G signal (top dead center signal) jenereithara le potoloho ea ho sebetsana le matšoao. Ne signal le G signal jenereithara li entsoe ka light emitting diode (LED) le photosensitive transistor (kapa photosensitive diode), LED tse peli tse shebaneng ka kotloloho le li-transistors tse peli tsa photosensitive ka ho latellana. (LED) le transistor ea photosensitive (kapa photodiode). Ha leseli transmittance lesoba ka letshwao disk rotates pakeng tsa LED le photosensitive transistor, leseli hlahisoang ke LED tla khantša photosensitive transistor, ka nako ena transistor photosensitive ke, mokelli oa eona dipholo tsa boemo bo tlaase (0.1 ~ O. 3V); Ha karolo ea shading ea letšoao la disk e potoloha pakeng tsa LED le transistor ea photosensitive, leseli le hlahisoang ke THE LED ha le khone ho khantša transistor ea photosensitive, ka nako ena transistor ea photosensitive e khaotsoe, 'mokelli oa eona o hlahisa boemo bo phahameng (4.8 ~ 5.2V). Haeba letšoao la disk le tsoela pele ho potoloha, lesoba la phetisetso le karolo ea moriti li tla fetola LED hore e fetele kapa e be moriti, 'me mokelli oa li-photosensitive transistor o tla hlahisa maemo a holimo le a tlaase ka tsela e fapaneng. Ha sensor axis e nang le crankshaft le camshaft e potoloha, ho na le lesoba le khanyang holim'a poleiti le karolo ea moriti pakeng tsa LED le transistor ea photosensitive, lebone la LED le khanyang le phello ea shading le tla fetola mahlaseli ho jenereithara ea photosensitive. transistor, lets'oao la sensor le hlahisoa mme boemo ba crankshaft le camshaft bo tsamaellanang le lets'oao la pulse. Kaha crankshaft e potoloha habeli, mochini oa sensor o potoloha lets'oao hanngoe, kahoo sensor ea G signal e tla hlahisa li-pulse tse tšeletseng. Sensor ea ne e tla hlahisa matšoao a 360 a pulse. Hobane sebaka sa mahlaseli sa lesoba le fetisang leseli la letšoao la G ke 60. Le 120 ka ho potoloha ha crankshaft. E hlahisa letšoao la tšusumetso, kahoo letšoao la G hangata le bitsoa 120. Letšoao. Tiisetso ea ho kenya moralo 120. Letšoao la 70 pele ho TDC. (BTDC70. , 'me pontšo e hlahisoang ke lesoba le bonaletsang le bophara bo hanyenyane bo bolelele ba khutlonnetsepa e lumellana le 70 pele ho setsi sa bafu sa holimo sa silindara ea enjene 1. E le hore ECU e ka laola ente e tsoelang pele Angle le ho hotetsa pele Angle. Hobane Ne signal transmittance hole radian ea karohano ke 1. (Sekoti se pepeneneng se na le 0.5. , lesoba la moriti le ne le le 0.5.) , kahoo potolohong e 'ngoe le e' ngoe ea pulse, boemo bo phahameng le tlaleho ea boemo bo tlaase bakeng sa 1 ka ho latellana, lipontšo tsa 360 li bontša ho potoloha ha crankshaft 720. E 'ngoe le e' ngoe ho potoloha ha crankshaft ke 120. , Sensor ea letšoao la G e hlahisa pontšo e le 'ngoe, Sensor ea pontšo ea Ne e hlahisa matšoao a 60. Magnetic induction sensor boemo bo ka aroloa ka mofuta oa Holo le mofuta oa magnetoelectric oa pele o sebelisa phello ea holo ho hlahisa pontšo ea boemo ka amplitude e tsitsitseng , joalokaha ho bontšoa ho Setšoantšo sa 1. Ea ho qetela e sebelisa molao-motheo oa ho kenngoa ha makenete ho hlahisa matšoao a boemo boo amplitude ea eona e fapaneng le makhetlo a mangata ka lebelo ho tloha ho li-millivolts tse makholo ho ea ho li-volts tse makholo, 'me boholo bo fapana haholo. Se latelang ke kenyelletso e qaqileng ea molao-motheo oa ts'ebetso ea sensor:Molao-motheo oa ts'ebetso oaTsela eo mohala oa matla a khoheli o fetang ho eona ke lekhalo la moea lipakeng tsa magnet e sa feleng ea N pole le rotor, leino le leholo la rotor, lekhalo la moea lipakeng tsa leino la rotor salient le hlooho ea makenete ea stator, hlooho ea makenete, poleiti ea tataiso ea makenete le palo ea magnete ea kamehla ea S. Ha letšoao la rotor le potoloha, lekhalo la moea ho potoloho ea makenete le tla fetoha nako le nako, 'me ho hanyetsa matla a khoheli a potoloho ea makenete le ho phalla ha motlakase ka hlooho ea coil ho tla fetoha nako le nako. Ho ea ka molao-motheo oa ho kenngoa ha motlakase oa motlakase, matla a motlakase a fetohang a tla kenngoa mokokotlong oa ho utloa. ea eketseha, sekhahla sa phetoho ea phallo ea eketseha (dφ/dt>0), 'me matla a electromotive a susumelitsoeng ke E ke a nepahetseng (E> 0). Ha meno a convex a rotor a le haufi le ntlha ea hlooho ea makenete, matla a khoheli a matla a khoheli a eketseha haholo, sekhahla sa phetoho ea phallo e kholo ka ho fetisisa [D φ/dt=(dφ/dt) Max], le matla a motlakase a hlohlellelitsoeng E ke e phahameng ka ho fetisisa (E=Emax). Ka mor'a hore rotor e pota-potile boemo ba ntlha ea B, le hoja matla a khoheli φ a ntse a eketseha, empa tekanyo ea phetoho ea matla a khoheli e fokotseha, kahoo matla a motlakase a bakoang ke E a fokotseha. 'me moeli o bohareng oa hlooho ea makenete, leha lekhalo la moea pakeng tsa leino la convex la rotor le hlooho ea makenete ke le lenyane ka ho fetisisa, matla a makenete a potoloho ea makenete ke a manyane ka ho fetesisa, le phallo ea makenete φ e kholo ka ho fetisisa, empa hobane matla a makenete Flux e ke ke ea tsoela pele ho eketseha, sekhahla sa phetoho ea matla a khoheli ke zero, kahoo matla a motlakase a susumetsoang ke E ke zero. leino la convex le hlooho ea makenete ea eketseha, ho tsilatsila ha potoloho ea makenete hoa eketseha, 'me matla a khoheli a fokotseha (dφ/dt< 0), kahoo matla a motlakase a susumelitsoeng ke E ke a fosahetseng. Ha leino la convex le fetohela moeling oa ho siea hlooho ea makenete, phallo ea makenete φ e fokotseha haholo, sekhahla sa phetoho ea phallo se fihla boemong bo bobe [D φ/df=-(dφ/dt) Max], le matla a motlakase a hlohlellelitsoeng E. e boetse e fihla boemong bo bobe (E = -emax) .Kahoo ho ka bonoa hore nako le nako ha rotor ea pontšo e fetola leino la convex, mochine oa kutlo o tla hlahisa matla a nako le nako a fetohang a electromotive, ke hore, matla a electromotive a bonahala a le holimo le ho feta. boleng ba bonyane, coil ea sensor e tla hlahisa lets'oao le ts'oanang la motlakase. Monyetla o hlahelletseng oa "magnetic induction sensor" ke hore ha e hloke phepelo ea motlakase ea kantle, makenete e sa feleng e bapala karolo ea ho fetola matla a mochini hore e be matla a motlakase, 'me matla a eona a khoheli a ke ke a lahleha. Ha lebelo la enjene le fetoha, lebelo la ho potoloha ha meno a convex a rotor le tla fetoha, 'me sekhahla sa phetoho ea flux bohareng le sona se tla fetoha. Ha lebelo le phahame, lebelo le leholo la phetoho ea flux, le phahamisa matla a induction electromotive ka har'a coil ea kutlo.Ho tloha ha lekhalo la moea pakeng tsa meno a rotor convex le hlooho ea makenete e ama ka ho toba ho hanyetsa matla a khoheli a potoloho ea makenete le phallo ea motlakase. coil ea kutlo, lekhalo la moea pakeng tsa meno a rotor convex le hlooho ea makenete e ke ke ea fetoloa ka thato ha e sebelisoa. Haeba lekhalo la moea le fetoha, le tlameha ho fetoloa ho latela litokisetso. Lekhalo la moea ka kakaretso le entsoe ka har'a mefuta e fapaneng ea 0.2 ~ 0.4mm.2) Jetta, Santana car magnetic induction crankshaft position sensor1) Likarolo tsa sebopeho sa crankshaft position sensor: The magnetic induction crankshaft position sensor ea Jetta AT, GTX le Santana 2000GSi e kentsoe. ka silindara boloko haufi le clutch ka crankcase, eo haholo-holo e bopilweng ka matshwao jenereithara le matshwao a rotor.The jenereithara pontšo e bolted ho thibela enjene le e na le makenete ea ka ho sa feleng, dikhoele sensing, le wiring harness plugs. Khoele e utloang e boetse e bitsoa khoele ea mats'oao, 'me hlooho ea makenete e hoketsoe ho makenete e sa feleng. Hlooho ea makenete e khahlano le leino la mofuta oa leino la mofuta oa rotor e kentsoeng holim'a crankshaft, 'me hlooho ea makenete e hokahane le joko ea makenete (poleiti ea tataiso ea makenete) ho etsa loop ea tataiso ea makenete. Rotor ea leino ke ea mofuta oa disc ea meno, e nang le 58 meno a makukuno, meno a manyenyane a 57 le leino le le leng le leholo le arohaneng ho potoloha selikalikoe sa lona. Leino le leholo le haelloa ke lets'oao la tlhahiso, le tsamaellanang le silindara ea 1 kapa cylinder 4 compression TDC pele ho Angle e itseng. Li-radians tsa meno a maholo li lekana le meno a mabeli a li-convex le meno a mararo a manyenyane. Hobane rotor ea lets'oao e potoloha le crankshaft, 'me crankshaft e potoloha hang(360). , rotor ea pontšo e boetse e potoloha hang (360). , kahoo Lenokoana la ho potoloha ha crankshaft le nang le meno a khohlopo le bofokoli ba meno selikalikoeng sa rotor ea lets'oao ke 360. , Leqhubu la ho potoloha ha crankshaft Angle ea leino le leng le le leng la convex le leino le lenyane ke 3. (58 x 3. 57 x + 3. = 345. = 345) ). , Leqhubu la crankshaft le bakiloeng ke bothata bo boholo ba leino ke 15. (2 x 3. + 3 x3. = 15). .2) boemo ba ho sebetsa ha sensor ea boemo ba crankshaft: ha sensor ea boemo ba crankshaft e nang le crankshaft e potoloha, molao-motheo oa ts'ebetso oa sensor ea induction ea makenete, lets'oao la rotor e 'ngoe le e' ngoe e fetotse leino le leholo, khoele e utloang e tla hlahisa emf e fetohang nako le nako (matla a motlakase. ka boholo le bonyane), coil e ntša lets'oao la motlakase o fapanyetsanang ka nepo. Hobane rotor ea pontšo e fanoa ka leino le leholo ho hlahisa letšoao la litšupiso, kahoo ha leino le leholo le fetola hlooho ea makenete, motlakase oa pontšo o nka nako e telele, ke hore, pontšo ea tlhahiso ke pontšo e pharaletseng, e lumellanang le Angle e itseng pele ho cylinder 1 kapa cylinder 4 compression TDC. Ha yuniti ea taolo ea elektronike (ECU) e fumana pontšo e pharaletseng ea pulse, e ka tseba hore boemo bo phahameng ba TDC ba cylinder 1 kapa 4 bo tla. Ha e le boemo ba TDC bo tlang ba cylinder 1 kapa 4, e hloka ho tseba ho latela tlhahiso ea lets'oao ho tsoa ho sensor ea boemo ba camshaft. Kaha rotor ea lets'oao e na le meno a 58 a convex, coil ea sensor e tla hlahisa mats'oao a motlakase a 58 bakeng sa phetolo e 'ngoe le e' ngoe ea rotor ea matšoao (phetoho e le 'ngoe ea crankshaft ea enjene). Nako le nako ha rotor ea lets'oao e potoloha haufi le crankshaft ea enjene, khoele ea sensor e fepa 58 e kenella karolong ea taolo ea elektroniki (ECU). Kahoo, bakeng sa matšoao a mang le a mang a 58 a amoheloang ke sensor ea boemo ba crankshaft, ECU e tseba hore crankshaft ea enjene e bilika hang. Haeba ECU e amohela matšoao a 116000 ho tsoa ho sensor ea boemo ba crankshaft ka hare ho 1min, ECU e ka bala hore lebelo la crankshaft n ke 2000 (n=116000/58=2000)r/pula; Haeba ECU e amohela matšoao a 290,000 ka motsotso ho tsoa ho sensor ea boemo ba crankshaft, ECU e lekanya lebelo la crank la 5000(n= 29000/58 =5000)r/min. Ka tsela ena, ECU e ka bala lebelo la ho potoloha ha crankshaft ho latela palo ea matšoao a pulse a amoheloang ka motsotso ho tsoa ho sensor ea boemo ba crankshaft. Letšoao la lebelo la enjine le lets'oao la mojaro ke matšoao a bohlokoa ka ho fetisisa le a mantlha a taolo ea sistimi ea taolo ea elektroniki, ECU e ka bala likarolo tse tharo tsa taolo ea mantlha ho latela matšoao ana a mabeli: ente ea mantlha pele Angle (nako), Angle ea mantlha ea ho chesa (nako) le ho tsamaisa mollo. Angle (ho betsa coil ea mantlha hona joale ka nako). ka pontsho. Ha ECu e amohela pontšo e hlahisoang ke bothata bo boholo ba leino, e laola nako ea ho khantša, nako ea ho kenngoa ha mafura le nako e ka sehloohong ea hona joale ea ho fetola mochine oa mollo (ke hore, Angle ea conduction) ho ea ka letšoao le lenyenyane la sekoli.3) Toyota koloi TCCS magnetic induction crankshaft le camshaft position sensorToyota Computer Control System (1FCCS) e sebelisa crankshaft ea magnetic induction crankshaft le camshaft position sensor e fetotsoeng ho tloha ho mofani oa thepa, e nang le likarolo tse ka holimo le tse tlaase. Karolo e ka holimo e arotsoe ka letšoao la boitsebiso ba boemo ba crankshaft (e leng cylinder identification le TDC signal, e tsejoang e le G signal) jenereithara; Karolo e ka tlaase e arotsoe ka lebelo la crankshaft le pontšo ea sekhutlo (e bitsoang Ne signal) jenereithara.1) Litšobotsi tsa sebopeho sa jenereithara ea pontšo ea Ne: Jenereithara ea pontšo ea Ne e kenngoa ka tlase ho G G G generator, haholo-holo e entsoeng ka No. 2 signal rotor, Ne sensor coil le hlooho ea makenete. Rotor ea lets'oao e ts'oaretsoe holim'a mochini oa sensor, mochini oa sensor o khannoa ke camshaft ea kabo ea khase, pheletsong e kaholimo ea shaft e na le hlooho ea mollo, rotor e na le meno a 24 a convex. The sensing coil le magnetic head are fixed in the sensor housing, and the magnetic head is fixed in the sensing coil.2) speed and Angle signal generation principle and control process: ha enjene crankshaft, valve camshaft sensor signals, ebe o khanna rotor. ho potoloha, rotor protruding meno le moea lekhalo pakeng tsa matla a khoheli hlooho fetola alternately, ho utloa khola ka phallo ea makenete fetola alternately, joale molao-motheo oa ho sebetsa oa makenete induction kutlo e bontša hore ka kutlo coil ka hlahisa alternating inductive electromotive matla. Hobane rotor ea lets'oao e na le meno a 24 a convex, coil ea sensor e tla hlahisa matšoao a 24 a chenchana ha rotor e potoloha hang. Phetoho e 'ngoe le e' ngoe ea "sensor shaft" (360). Sena se lekana le liphetohelo tse peli tsa crankshaft ea enjene (720). , kahoo lets'oao le fapanyetsanang (ke hore, nako ea pontšo) le lekana le crank rotation ea 30. (720. Hona joale 24 = 30). , e lekana le ho potoloha ha hlooho ea mollo 15. (30. Hona joale 2 = 15). . Ha ECU e amohela matšoao a 24 ho tswa ho jenereithara ea Ne, ho ka tsejoa hore crankshaft e potoloha habeli 'me hlooho ea mollo e potoloha hang. Lenaneo la ka hare la ECU le ka bala le ho lekanya lebelo la enjene ea crankshaft le lebelo la hlooho ea mollo ho latela nako ea potoloho e 'ngoe le e' ngoe ea Ne. E le ho laola ka nepo ho khantša pele Angle le peterole ente pele Angle, crankshaft Angle lula mong le e mong potoloho ea pontšo (30. Likhutlong tse nyenyane. Ho loketse haholo ho phetha mosebetsi ona ka microcomputer, 'me karohano ea maqhubu e tla bontša Ne (crank Angle 30) E arotsoe ka ho lekana ka mats'oao a 30, 'me lets'oao le leng le le leng le lekana le crank Angle 1. (30. Present 30 = 1). pulse signal e lumellana le crankshaft Angle ea 0.5 (30. ÷60 = 0.5. . Boemo bo khethehileng bo khethoa ke litlhoko tse nepahetseng tsa Angle le moralo oa lenaneo.3) Litšobotsi tsa sebopeho sa G generator: G generator e sebelisoa ho lemoha boemo ba piston top dead center (TDC) le ho khetholla hore na ke silindara efe e haufi le ho fihla boemong ba TDC le matšoao a mang a litšupiso. G signal generator e na le No. 1 signal rotor, sensing coil G1, G2 le magnetic head, joalo-joalo Rotor ea pontšo e na le li-flange tse peli 'me e tsitsitse ho sensor shaft. Likhoele tsa kutlo G1 le G2 li arotsoe ka likhato tse 180. E phahamisa, coil ea G1 e hlahisa pontšo e lumellanang le enjene ea botšelela cylinder compression top dead center 10. Letšoao le hlahisoang ke G2 coil le lumellana le lO pele ho compression TDC ea cylinder ea pele ea enjene.4) Cylinder identification and top dead center signal. molao-motheo oa moloko le mokhoa oa ho laola: molao-motheo oa ho sebetsa oa G signal jenereithara o tšoana le oa Negenerator signal. Ha camshaft ea enjene e khanna sensor shaft ho potoloha, flange ea G signal rotor (No. 1 signal rotor) e feta hloohong ea makenete ea coil e utloang ka tsela e fapaneng, 'me lekhalo la moea pakeng tsa rotor flange le hlooho ea makenete le fetoha ka tsela e fapaneng. , 'me lets'oao le fapaneng la matla a electromotive le tla kenyelletsoa ho coil ea kutlo ea Gl le G2. Ha karolo ea flange ea G signal rotor e le haufi le hlooho ea makenete ea coil G1, ho hlahisoa lets'oao le letle la pulse ka ho utloa coil G1, e bitsoang lets'oao la G1, hobane lekhalo la moea lipakeng tsa flange le hlooho ea makenete le ea fokotseha. matla a khoheli a eketseha 'me sekhahla sa phetoho ea makenete se nepahetse. Ha karolo ea flange ea G signal rotor e le haufi le coil e utloang G2, lekhalo la moea pakeng tsa flange le hlooho ea makenete lea fokotseha 'me matla a khoheli a eketseha.