±ð¿Ë½Î³µ¿ÕÆøÁ÷Á¿´«¸ÐÆ÷¹¤×÷Ô­Àí

¡¡¡¡¿ÕÆøÁ÷Á¿´«¸ÐÆ÷ÊǵçÅçϵͳµÄ¹Ø¼ü²¿¼þÖ®Ò»£¬ËüÖ±½ÓÓ°Ïìµ½³µÁ¾µÄÕý³£ÐÐÊ»¡£

ÉϺ£±ð¿Ë½Î³µÊ¹ÓÃµÄ¿ÕÆøÁ÷Á¿´«¸ÐÆ÷ÊÇÈÈÏßʽÁ÷Á¿¼Æ£¬ËüµÄ×÷ÓÃÊDzâÁ¿Ò»¶¨Ê±¼äÄÚͨ¹ý´«¸ÐÆ÷µÄ¿ÕÆøÁ÷Á¿£¬²¢½«ÓÐ¹Ø¿ÕÆøÁ÷Á¿µÄÐźŴ«¸øECU¡£ECU¸ù¾Ý¸ÃÐźÅÀ´¼à²â·¢¶¯»úµÄ¹¤×÷×´¿ö£¬¼ÆËãȼÓ͹©¸øÁ¿¡£¿ÕÆøÁ÷Á¿´ó£¬±íÃ÷·¢¶¯»úÔÚ¼ÓËÙÔËת£»¿ÕÆøÁ÷Á¿Ð¡£¬Ôò±íÃ÷·¢¶¯»úÔÚ¼õËÙ»òµ¡ËÙÔËת¡£

¹¤×÷Ô­Àí£ºµ±½øÈë½ÚÆøÃÅÌåÄÚµÄ¿ÕÆøÁ÷¾­MAF´«¸ÐÆ÷£¬´ø×ßÁ˲¿·ÖÈÈÁ¿£¬¿ÕÆøÁ÷Á¿Ô½´ó£¬´ø×ßµÄÈÈÁ¿Ô½¶à¡£ÎªÊ¹´«¸ÐÆ÷¸ÐÓ¦¼þµÄζȱ£³ÖÔÚÒ»ºã¶¨µÄζȣ¬±ãÐèÒª¶îÍâµÄµçÁ÷À´¼ÓÈȸÐÓ¦¼þ¡£MAF´«¸ÐÆ÷ͨ¹ý²âÁ¿¸ÃµçÁ÷µÄµçѹÀ´È·¶¨¿ÕÆøÁ÷Á¿µÄ´óС¡£

¿ÕÆøÁ÷Á¿´«¸ÐÆ÷ÖеÄÈÈÏßÓɽðÊô²¬Ë¿ÖƳɣ¬ÉìÈëµ½½ÚÆøÃÅ·§ÌåµÄÅÔÍ¨ÆøµÀÖС£ÕâÖÖ¿ÕÆøÁ÷Á¿´«¸ÐÆ÷²ÉÓûÝ˹¶ÙµçÇÅÔ­Àí£¬ÖÃÓÚ¿ÕÆøÁ÷ÖеÄͨµçÈÈÏßÒòÆøÁ÷µÄÀäÈ´×÷ÓöøÊ¹µç×èÖµ·¢Éú±ä»¯£¬µçÇÅÒò¶øÊ§È¥Æ½ºâ£¬¿ØÖƵç·±ã×Ô¶¯Ìá¸ßµçѹ£¬¼Ó´óÁ÷¹ýÈÈÏߵĵçÁ÷£¬Ê¹ÈÈÏßµç×èÖµËæÎ¶ÈÉý¸ß¶øÉý¸ß£¬µçÇűãÖØÐ»ñµÃƽºâ¡£ÔÚµ÷½Ú¹ý³ÌÖУ¬¿ÕÆøÁ÷Á¿´«¸ÐÆ÷´«Ë͸ø·¢¶¯»úµç¿ØÄ£¿é(ECU)µÄµçѹÐźÅËæ¿ÕÆøÁ÷Á¿µÄ±ä»¯¶ø±ä»¯£¬ÔÚ½üÈÈÏßµÄ¿ÕÆøÁ÷Öл¹ÉèÓв¹³¥µç×èË¿(ÀäÏß)£¬ÒÔÃâÒò¿ÕÆøÎ¶ȵı仯ʹµçÇÅʧȥƽºâ¡£

¿ÕÆøÁ÷Á¿´«¸ÐÆ÷µÄÈÈÏß»ý¹¸Ö®ºó£¬´«¸øECUµÄµçѹÐźűã»á²»×¼£¬´ËʱÎÛÎï»áÓ°Ïì·øÉ䣬ʹÀäȴЧ¹û½µµÍ¡£µ±¿ÕÆøÁ÷Á¿Ôö´óʱ£¬ÈÈÏßζȽµµÍ»ºÂý£¬Æäµç×èÖµµÄ±ä»¯Á¿Ò²ÏàÓ¦¼õÉÙ£¬Òò¶øµçѹºÍÁ÷¹ýÈÈÏߵĵçÁ÷²»ÄÜÏàÓ¦µÄÔö¼Ó£¬ÒÔÖ´«¸øECUµÄÐźŵçѹƫµÍ£¬Ôì³É»ìºÏÆø¹ýÏ¡¡£ËäÈ»ÈÈÏßʽ¿ÕÆøÁ÷Á¿´«¸ÐÆ÷¶¼¼Ó×°ÁËÉÕ¾»µç·£¬¼´ÔÚÿ´ÎÍ£»úʱ£¬ECU»á×Ô¶¯¸øÈÈÏ߸ßÎÂ(1000¡æ)¼ÓÈÈ1s£¬ÒÔÉÕµôÈÈÏßÉϵÄÎÛÎïºÍ»Ò³¾£¬µ«²¿·ÖµØÇø£¬ÓÈÆäÊÇÎÒ¹ú±ßÔ¶µØÇøÓÉÓÚʹÓÃȼÓÍÆ·ÖʹýµÍ£¬½øÆø¹Ü²úÉú»Ø»ð£¬Ôì³É¹ý¶àµÄÔÓÖʺͻýÌ¿½º½áÔÚ½ðÊô²¬Ë¿ÉÏ£¬¹Êµ¥¼ÓÎÂÈÈÏߵľ»»¯×°ÖÃÒ²ÄÑÒÔÇå³ý¡£Òò´Ë£¬±ØÐë²ðÏÂ¿ÕÆøÁ÷Á¿´«¸ÐÆ÷Ö±½ÓÅçÏ´£¬²ÅÄָܻ´ÆäÕý³£¹¦ÄÜ¡£

°¸Àý£ºÒ»Á¾ÉϺ£±ð¿Ë½Î³µ£¬µ±³µËÙÔÚ100km/hÒÔÉÏʱ£¬·¢¶¯»úÓÐÕñ¶¯¸Ð£¬¶øÇÒÅÀÆÂÎÞÁ¦¡£Çå½à¿ÕÆøÂËÇåÆ÷£¬¸ü»»ÆûÓÍÂËÇåÆ÷£¬²ðÏÂÅçÓÍ×ìÇåÏ´£¬¾ù²»¼ûЧ¡£²ðÏÂ¿ÕÆøÁ÷Á¿´«¸ÐÆ÷ÇåÏ´ÈÈÏßÖ®ºó£¬¹ÊÕÏÅųý¡£

×îºó½éÉÜһϣ¬¿ÕÆøÁ÷Á¿´«¸ÐÆ÷ÒÔg/sΪµ¥Î»²âÁ¿½øÈë·¢¶¯»úµÄ¿ÕÆøÁ÷Á¿¡£¿ÕÆøÁ÷Á¿²âÁ¿ÖµÊÇ·´Ó³·¢¶¯»ú¸ººÉ(½ÚÆøÃÅ¿ª¶ÈºÍ¿ÕÆøÈÝ»ý)µÄ£¬Óë·¢¶¯»ú¸ººÉ¡¢½øÆø¹Ü¾ø¶ÔѹÁ¦´«¸ÐÆ÷»òÕæ¿Õ´«¸ÐÆ÷ÐźŵĹØÏµÏàÀàËÆ¡£¿ÕÆøÁ÷Á¿(MAF)ÐźÅÔÚÆû³µ´¦ÓÚ¶¨ËÙʱӦ±£³ÖÏà¶ÔÎȶ¨£¬Ëæ×Å½ÚÆøÃÅ¿ª¶ÈÖ𽥱仯£¬²¢ÔÚͻȻ¼ÓËÙʱ¾çÁұ仯¡£¶¯Á¦ÏµÍ³¿ØÖÆÄ£¿é(PCM)ʹÓÃ¿ÕÆøÁ÷Á¿µÄÐÅÏ¢¿ØÖÆÈ¼Ó͹©¸ø¡£´«¸ÐÆ÷²úÉúÒ»¸öÔÚ²âÊÔÖв»Ò×±»²âÁ¿µÄƵÂÊÐźÅ(32~150Hz)¡£Õâ¸ö±ä»¯µÄÐźÅÓë¿ÕÆøÁ÷Á¿»á³ÉÒ»¶¨µÄ±ÈÀý¡£

¡¡¡¡¿ÕÆøÁ÷Á¿´«¸ÐÆ÷ÊǵçÅçϵͳµÄ¹Ø¼ü²¿¼þÖ®Ò»£¬ËüÖ±½ÓÓ°Ïìµ½³µÁ¾µÄÕý³£ÐÐÊ»¡£ÉϺ£±ð¿Ë½Î³µÊ¹ÓÃµÄ¿ÕÆøÁ÷Á¿´«¸ÐÆ÷ÊÇÈÈÏßʽÁ÷Á¿¼Æ£¬ËüµÄ×÷ÓÃÊDzâÁ¿Ò»¶¨Ê±¼äÄÚͨ¹ý´«
ÆÀÂÛ

0/200

ÑéÖ¤Â룺 µã»÷»»Ò»ÕÅ
×îÐÂ×ÊѶ
¸ü¶à>>
ÔĶÁÍÆ¼ö
¸ü¶à>>