²é¿´ÍêÕû°æ±¾: ѹȼʽ˫ȼÁÏ·¢¶¯»úȼÁÏת»»¿ØÖÆÆ÷µÄÉè¼Æ

liyf ·¢±íÓÚ 2014-10-5 10:06:20

ѹȼʽ˫ȼÁÏ·¢¶¯»úȼÁÏת»»¿ØÖÆÆ÷µÄÉè¼Æ

ѹȼʽ˫ȼÁÏ·¢¶¯»úȼÁÏת»»¿ØÖÆÆ÷µÄÉè¼Æ

Ëæ×ÅÈËÃǶÔÄÜÔ´ºÍ»·¾³ÎÊÌâµÄÈÕÒæ¹Ø×¢£¬ÄÚȼ»úµÄ¸ßЧ½à¾»È¼ÉÕ×÷ΪһÏîÖØÒªµÄ¡°ÂÌÉ«¹¤³Ì¡±¼¼Êõ£¬ÒÑÔÚ¸÷¹úÒýÆðÁ˹㷺µÄ¹Ø×¢¡£ÒÔ²ñÓÍΪÒýȼȼÁϵÄÌìÈ»Æø/²ñÓÍ˫ȼÁÏ·¢¶¯»úÊǽâ¾öÕâÒ»ÎÊÌâµÄÒ»¸öÓÐЧÊֶΡ£
ÓÉÓÚ˫ȼÁÏ·¢¶¯»úÊÇÔÚÔ­ÓвñÓÍ·¢¶¯»úµÄ»ù´¡ÉϸÄ×°¶ø³É£¬Òò´Ë·¢¶¯»ú±ØÐë·ûºÏÒ»¶¨µÄ¹¤×÷״̬£¬²Å¿ÉÒÔͨ¹ýת»»ÔÚ˫ȼÁÏ״̬Ϲ¤×÷£¬»òÕßÔÚÒ»¶¨Ìõ¼þÏ£¬·¢¶¯»úÔÚ˫ȼÁÏ״̬ϲžßÓÐÁ¼ºÃµÄЧ¹û¡£Ò»°ãÇé¿öÏ£¬µ±·¢¶¯»úˮθßÓÚ50¡æʱ£¬·¢¶¯»ú²ÅÊʺÏÔÚ˫ȼÁÏ״̬¹¤×÷¡£ÎªÁ˸üºÃµØʹÓúͱ£»¤·¢¶¯»ú£¬È¼ÁÏת»»»ú¹¹Ó¦¸Ã±£Ö¤ÔÚ·¢¶¯»úË®ÎÂÂú×ãÒ»¶¨µÄÌõ¼þ½ø£¬²Å¿ÉÒÔת»»µ½Ë«È¼ÁϹ¤×÷״̬¡£ÎªÊµÏÖȼÁÏת»»µÄ˳Àû½øÐУ¬ÑÐÖÆÁËȼÁÏת»»¿ØÖÆ»ú¹¹¡£

1 ϵͳ·½°¸Éè¼Æ
ת»»»ú¹¹µÄÂß¼­¿ØÖƵ¥ÔªÖ÷ÒªÓÃÀ´½ÓÊÕ˾»úµÄת»»ÐźÅX1¡¢·¢¶¯»úµÄË®ÎÂÐźÅX2¡¢¸ßѹÌìÈ»ÆøµÄѹÁ¦ÐźÅX3¼°È¼ÁÏת»»»ú¹¹¹¤×÷״̬µÄ·´À¡ÐźÅX4µÈ£¬ÏȽøÐÐÒ»¶¨µÄÂß¼­Åжϣ¬·¢³öÊʵ±µÄÖ¸ÁÍê³ÉÖ¸¶¨µÄÈÎÎñ¡£È»×ª»»»ú¹¹Ê¾ÒâͼÈçͼ1Ëùʾ¡£
Ȼת»»»ú¹¹µÄ»úеִÐв¿·Ö±ØÐëÄܹ»½«Âß¼­¿ØÖƵ¥ÔªµÄÖ¸ÁîÐźŻ¯Îª»úеÔËÐУ¬ÒÔʵÏÖȼÁÏת»»µÄÄ¿µÄ£¬ÕâÒ»¹¦ÄÜÓÉ¿ª¹Øµç´ÅÌúÍê³É¡£ÔÚ·½°¸Éè¼ÆÖУ¬ÒªÇ󿪹صç´ÅÌúµÄÁ½ÖÖλÖöÔÓ¦»úеִÐв¿·ÖµÄÁ½ÖÖ¹¤×÷״̬£¬¼´Ë«È¼ÁϹ¤×÷״̬ºÍ´¿²ñÓ͹¤×÷״̬¡£Í¨¹ý»úе²¿·ÖµÄÁ¬¶¯£¬´«¶¯»ú¹¹ÇжϻòÁ¬½Ó¼ÓËṲ̀°åµÄÔ˶¯£¬¿ØÖƵ÷ËÙÆ÷¿ØÖƸ˵ÄÔ˶¯×´Ì¬¡£µ±¼ÓËṲ̀°å¶Ôµ÷ËÙÆ÷Æð×÷ÓÃʱ£¬µ÷ËÙÆ÷¿ØÖƸ˾ö¶¨·¢¶¯»úµÄÔ˶¯£¬´ËʱÂß¼­¿ØÖƲ¿·Ö¹Ø±Õ¸ßѹÌìÈ»Æø·§Óëµç¿Øµ¥Ôª£¨ECU£©£¬Õâ¾ÍÊÇ´¿²ñÓ͹¤×÷״̬¡£µ±¼ÓËṲ̀°åµÄÔ˶¯Ïòµ÷ËÙÆ÷¿ØÖƸ˵Ĵ«µÝ±»»úе²¿·ÖÇжÏʱ£¬µ÷ËÙÆ÷¿ØÖƸ˱»¹Ì¶¨ÔÚµ¡ËÙÓÍÁ¿Î»Öã¬Âß¼­¿ØÖƵ¥Ôª¿ªÆôÌìÈ»Æø¸ßѹ·§²¢¸øµç¿Øµ¥Ôª£¨ECU£©·¢Ë͹¤×÷Ðźţ¬Õâ¾ÍÊÇ˫ȼÁϹ¤×÷״̬¡£ÕâÑù£¬Ë¾»úÖ»Ðè°å¶¯×ª»»¿ª¹Ø£¬ÓÉËü·¢³öÖ¸ÁÂß¼­¿ØÖƵ¥Ôª¸ù¾Ý½ÓÊÕµÄÐźÅ×÷³öÅжϣ¬Í¬Ê±Çý¶¯ÍâÑØÆ÷¼þ£¬¼´¿ÉʵÏÖ´¿²ñÓÍÓë˫ȼÁÏÁ½ÖÖ¹¤×÷״̬µÄת»»¡£

2 Âß¼­¿ØÖƵ¥ÔªÉè¼Æ
Âß¼­¿ØÖƵ¥ÔªÖ÷ҪʵÏÖÐźŵĽÓÊÕ¡¢ÅжϺͷ¢ËÍ¡£Ö÷ÒªÓÉÈý¸ö²¿·Ö×é³É£¬¼´Âß¼­Åжϲ¿·Ö¡¢ÍâÑؽӿڲ¿·ÖºÍµçԴת»»²¿·Ö¡£
Âß¼­¿ØÖƵ¥ÔªµÄ¹¤×÷¹ý³ÌÈçÏ£ºÍâÑؽӿڲ¿·Ö½«½ÓÊÕµÄÄ£ÄâÐźÅת»¯ÎªÊý×ÖÐźŴ«µÝ¸øÂß¼­Åжϲ¿·Öºó£¬ÓÉÂß¼­Åжϲ¿·ÖÅжÏת»»Ìõ¼þÊÇ·ñÂú×㣬²¢·¢³ö¿ØÖÆÖ¸ÁÔÙÓÉÍâÑؽӿڲ¿·Ö½«Ö¸Áîת»¯Îª¶ÔÓ¦Æ÷¼þÄÜʶ±ðµÄÐźţ¬ÈçÇý¶¯µçÔ´·§µÄ´óµçÁ÷µÈ¡£µçÔ´²¿·ÖÖ÷ÒªÊǽ«Æû³µµçÆ¿µÄ12Vµçѹת»»ÎªÂß¼­¿ØÖƵ¥ÔªÉϵç×ÓÔª¼þËùÐèÒªµÄµçѹ£¨5V£©¡£
2.1 Âß¼­Åжϲ¿·Ö
Âß¼­Åжϲ¿·Ö½ÓÊÕÍâÑؽӿڲ¿·Ö´«À´µÄÊý×ÖÐźţ¬½øÐÐÅжϺ󷢳öÊÊÓ¦µÄÖ¸Áî¡£
Ôڴ˹涨£ºÔÚ˾»ú½«×ª»»¿ª¹Øת»»µ½Ë«È¼ÁϹ¤×÷λÖÃʱ£¬×ª»»ÐźÅx1=1£¬¶ø´¿²ñÓÍλÖÃʱ£¬X1=0£»µ±Ë®Î´ﵽ˫ȼÁÏ״̬µÄÒªÇóʱ£¬Ë®ÎÂÐźÅx2=1£¬·ñÔòx2=0£»µ±¸ßѹÌìÈ»ÆøÔÚÔÊÐíʹÓõÄ×îСѹÁ¦ÒÔÉÏʱ£¬ÌìÈ»ÆøÆøѹÐźÅx3=1£¬·ñÔòx3=0£»µ±»úе²¿·Ö´¦ÓÚ˫ȼÁϹ¤×÷״̬ʱ£¬·´À¡ÐźÅx4=1£¬µ±»úе²¿·Ö»Ö¸´´¿²ñÓ͹¤×÷״̬ʱ£¬·´À¡ÐźÅx4=0¡£Âß¼­Åжϲ¿·Ö·¢³öµÄÖ¸ÁîÓУºÆô¶¯¿ª¹Øµç´ÅÌúÐźÅY1£¨¹©µçʱ¿ª¹Øµç´ÅÌú¹¤×÷£¬½«»úе²¿·Öת»»ÖÁ˫ȼÁϹ¤×÷״̬ʱY1=1£¬·ñÔòY1=0£©£¬Æô¶¯¸ßѹÌìÈ»Æøµç´Å·§ÐźÅY2£¨¹©µçʱµç´Å·§¿ªÆôʱY2=1£¬·ñÔòµç´Å·§¹Ø±ÕY2=0£©£¬¹ÊÕÏÐźÅY2£¨ÓйÊÕÏʱ¹ÊÕÏÐźŵƹ©µçY3=1£¬·ñÔò£¬Y3=0£©£¬Æô¶¯µç¿Øµ¥Ôª£¨ECU£©ÐźÅY4£¨¸øECU¹©µçʹÆ乤×÷ʱY4=1£¬·ñÔòY4=0£©¡£
ÓÉÒÔÉÏ·ÖÎöµÃ³öÒÔϸ÷Êä³öÐźÅÓëÊäÈëÐźŵÄÂß¼­¹Ø¼üʽ£º
Y1=X1X2X3
Y2=X1X2X3X4
Y3=X1X4+X1X2X3X4
X4=X1X2X3X4
ÓÉÓÚÂß¼­¹Øϵ±È½Ï¼òµ¥£¬²ÉÓÃTTLµç·£¬ÓÉ74ϵÁеÄоƬÍê³ÉÆäÂß¼­ÅжϹ¦ÄÜ£¬Âß¼­²¿·ÖµÄµç·ͼÈçͼ2Ëùʾ¡£Í¼ÖУ¬7411ºÍ7408ÊÇÓëÃÅ£¬7404ÊÇ·´ÏàÆ÷£¬7402ÊÇ»ò·ÇÃÅ¡£ÊäÈëÐźÅÊÇX1¡¢X2¡¢X3¡¢X4£¬Êä³öÐźÅÊÇY1£¬Y3£¬Y4¡£ÓÉÓÚY2=Y4£¬ËùÒÔ¸ßѹÌìÈ»ÆøµÄµç´Å·§ºÍµç¿Øµ¥Ôª£¨ECU£©µÄÇý¶¯µç·¶¼¿ÉÒÔÓÉY4À´¿ØÖÆ¡£
2.2 ÍâÑؽӿڵç·
ÒòΪÓÐЩÆ÷¼þµÄÊä³öÐźÅÊÇÄ£ÄâÁ¿£¬Èçˮδ«¸ÐÆ÷Êä³öµÄÊÇ¿ÉÁ¬Ðø±ä»¯µÄµçѹÐźţ¬Âß¼­¿ØÖƵ¥ÔªÎÞ·¨Ö±½Ó½ÓÊÕ²¢±æʶÅжϣ¬Òò´Ë¾ÍÐèÒªÓÐÍâÑؽӿڵç·½«Æäת»¯ÎªÊý×ÖÐźš£
ÍâÑؽӿڵç·µÄÁíÒ»¸ö×÷ÓþÍÊǽ«Âß¼­Åжϲ¿·ÖµÄÖ¸Áîת»¯ÎªÒ»Ð©Æ÷¼þËùÐèµÄµçÐźţ¬ÈçµçÁ÷Ðźŵȡ£
2.2.1 µçѹ±È½ÏÆ÷
ÔÚÂß¼­¿ØÖƵ¥ÔªÖУ¬ÓÐÁ½´¦ÐèÒªÓõ½µçѹ±È½ÏÆ÷£¬Ò»¸öÊÇˮδ«¸ÐÆ÷µÄ½Ó¿Ú£¬ÁíÒ»¸öÊÇÌìÈ»ÆøѹÁ¦´«¸ÐÆ÷µÄ½Ó¿Ú¡£

    ¶Ô±È½ÏÆ÷LM311¸ø¶¨Ò»¸ö²Î¿¼µçѹ£¬µ±ÊäÈëµçѹµÍÓڲο¼µçѹʱ£¬±È½ÏÆ÷Êä³öµÄµçѹΪµÍµçƽ£¬¸ßÓڲο¼µçѹʱ£¬Êä³öµçѹΪ¸ßµçƽ¡£
2.2.2 Çý¶¯µç·²¿·Ö
ÔÚȼÁÏת»»»ú¹¹µÄÇý¶¯Æ÷¼þÖУ¬¿ª¹Øµç´ÅÌúºÍ¸ßѹÌìÈ»Æø½ØÖ¹·§ÐèÒª½ÏÇ¿µÄ¹¤×÷µçÁ÷£¬Çý¶¯µç·²¿·Ö²ÉÓùÌ̬¼ÌµçÆ÷£¬½«Âß¼­Åжϲ¿·ÖµÄÖ¸Áîת»»Îª½ÏÇ¿µÄµçÁ÷Ðźš£
ͼ3Ϊ¸ßѹÌìÈ»Æø½ØÖ¹·§µÄÇý¶¯µç·£¬Æ÷¼þ01Ϊ¹Ì̬¼ÌµçÆ÷¡£µ±·¢¶¯»ú´¦ÓÚ˫ȼÁÏ״̬¹¤×÷ʱ£¬È¼ÁÏת»»»ú¹¹¹¤×÷£¬Âß¼­Åжϲ¿·Ö·¢³öÖ¸ÁʹY4=1£¬Îª¸ßµçƽ£¬¾­U2£¨7404£¬·´ÏàÆ÷£©ºó£¬BµãµÄµçÈÈUBΪµÍµçƽ£¬ÃæAµãµÄµçÊÆUA±ÈµãB¸ß£¬Õâʱ¹Ì̬¼ÌµçÆ÷µÄÊäÈë¶Ë½Óͨ£¬Êä³ö¶ËÒ²µ¼Í¨¡£Êä³ö¶ËCDÒ»µ©½Óͨ£¬µç´Å·§HPVALVEÁ½¶Ë¾Í»á¼ÓÉÏ12VµÄ¶î¶¨¹¤×÷µçѹ£¬Ê¹¼õѹÆ÷Ç°µÄ¸ßѹÌìÈ»Æø·§ÃÅ´ò¿ª£¬ÌìÈ»Æø¾­¼õѹ½øÈë·¢¶¯»ú¡£µ±Âß¼­Åжϲ¿·Ö·¢³öµÄÖ¸Áîʹµç´Å·§¹Ø±Õʱ£¬Y4=0£¬¾­·´ÏàÆ÷ºó£¬BΪ¸ßµçƽ£¬UA=UB£¬¹Ì̬¼ÌµçÆ÷µÄÊäÈë¶ËûÓеçÁ÷ͨ¹ý£¬Êä³ö¶Ë²»µ¼Í¨£¬µç´Å·§ÔÚµ¯»ÉÁ¦µÄ×÷ÓÃÏ»ָ´³£±Õ״̬¡£
ͼ4Ϊ¿ª¹Øµç´ÅÌúµÄÇý¶¯µç·£¬ÆäÖÐÆ÷¼þU8ÊÇ74123оƬ£¬Æ÷¼þ02¡¢03ÊǹÌ̬¼ÌµçÆ÷£¬ÏßȦPUSHÊÇ¿ª¹Øµç´ÅÌúµÄÎüÈëÏßȦ£¬HOLDÔòÊÇÆäά³ÖÏßȦ£¬µçÔ´VDDΪ24V¡£µ±È»×ª»»»ú¹¹×ª»»µ½Ë«È¼ÁϹ¤×÷״̬ʱ£¬´Ó74123µÄB½ÅÊäÈëµÄY1´ÓµÍµçƽÏò¸ßµçƽÌøת£¬ÃÔÖֱ仯»áÈÃ74123µÄÊä³ö¶ËQÊä³öÒ»¸ö˲ʱµÄ¸ßµçƽÂö³åµçÁ÷£¬Î¬³Öʱ¼äΪ¦¤T¡£¾­·´ÏàÆ÷7404ºó£¬AµãµÄµçÊÆUA½«»á³öÏÖͬÑùÂö¿íµÄµÍµçƽ£¬¹Ì̬¼ÌµçÆ÷02µÄÊäÈë¶ËÒ²ÓЦ¤Tʱ¼äµÄµçÁ÷ͨ¹ý£¬Õâʱ¹Ì̬¼ÌµçÆ÷02µÄÊä³ö¶Ë³öÏÖ¦¤Tʱ¼äµÄµ¼Í¨¡£ÔÚÕâ¶Îʱ¼äÄÚ£¬ºÜÇ¿µÄÎüÈëµçÁ÷ͨ¹ý¿ª¹Øµç´ÅÌúµÄÎüÈëÏßȦ£¬²úÉú×ã¹»µÄµç´ÅÁ¦ÎüÈëµç´ÅÌúµÄÌúо¡£Âö¿í¦¤TµÄÑ¡ÔñÓ¦¸Ã²Î¿¼¿ª¹Øµç´ÅÌúµÄÐÔÄܲÎÊýÉ趨£¬¼ÈÒªÂú×ãÎüÈëÌúоµÄÒªÇó£¬ÓÖ²»ÄÜÌ«³¤µ¼ÖÂÏßȦÉÕ»Ù¡£
¦¤TÊÇͨ¹ýÑ¡Ôñµç×èR10ºÍµçÈÝC3µÄÖµÀ´È·¶¨µÄ¡£±¾´¦¦¤TȡΪ1Ã룬R10=1000¦¸£¬C3=1000¦ÌF¡£
´Ó²úÉú»úÀíÉϽ²£¬¿ª¹Øµç´ÅÌúµÄά³ÖµçÁ÷Óë¸ßµçѹÌìÈ»Æøµç´Å·§µÄ¹¤×÷µçÁ÷ÊÇͬÑùµÄ»úÀí£ºµ±Y1=1ʱ£¬´æÔÚά³ÖµçÁ÷£¬Ìúоά³ÖÔÚÎüÈë״̬£»µ±Y1=0ʱ£¬²»´æÔÚά³ÖµçÁ÷£¬ÌúоÔÚ»Øλµ¯»ÉµÄ×÷ÓÃÏ»ָ´Ô­À´µÄÉì³öλÖá£

    2.3 µçÔ´²¿·Ö
µçÔ´²¿·ÖÊÇÒÔVOLTREG£¨7805£©ÎªºËÐĵĵ÷ѹµç·¡£Æû³µµçÆ¿ÉÏÌṩµÄÊÇ12VµçÔ´£¬¶øÂß¼­¿ØÖƵ¥ÔªµÄоƬµÄ¹¤×÷µçѹ¶¼ÊÇ5V£¬Òò´ËÐè½øÐеçѹת»»¡£Í¼5ΪµçÔ´²¿·ÖµÄµç·ͼ£¬ÊäÈë12V£¬Êä³öµãVCCµÄµçѹΪ5V¡£
µçÔ´²¿·ÖÐèҪעÒâµÄÊǵçѹµÄÎȶ¨ÐԺ͹¦ÂÊÏÞÖÆ¡£Í¼Öи÷µçÈݾùÆðÂ˲¨ºÍ´¢ÄܵÄ×÷Ó㬷ÀÖ¹µçѹ²¨¶¯¡£ÎÈѹ¹ÜZ1±£Ö¤ÊäÈëOVLTREGµÄµçѹ¾«È·Îª12V£¬Á½¸ö²¢ÁªµÄ¹¦Âʵç×èR11¡¢R12Æð½µÑ¹ÏÞÁ÷µÄ×÷Ó㬷ÀÖ¹µçÔ´¹ýÔØ¡£ÓÉÆû³µµçÆ¿ÌṩµçÄܵÄÂß¼­¿ØÖƵ¥Ôª£¬µçÔ´²¿·ÖÄܹ»Æðµ½Î¬»¤Îȶ¨¹¤×÷µçѹµÄ×÷Óá£
¿ØÖÆÆ÷Éè¼ÆÍê³Éºó£¬°²×°ÔÚÓɺ¼ÖÝÆû³µ·¢¶¯»ú³§µÄX6130·¢¶¯»ú¸Ä×°¶ø³ÉµÄ˫ȼÁÏ·¢¶¯»úÉÏ¡£Êµ¼ÊÔËÐÐÖ¤Ã÷£¬¸Ãϵͳ¿ÉÒԺܺõØʵÏÖ˫ȼÁÏ·¢¶¯»úµÄȼÁÏת»»¹ý³Ì¡£

ÀîС· ·¢±íÓÚ 2021-9-12 18:47:17

лл·ÖÏí:D
Ò³: [1]
²é¿´ÍêÕû°æ±¾: ѹȼʽ˫ȼÁÏ·¢¶¯»úȼÁÏת»»¿ØÖÆÆ÷µÄÉè¼Æ