Èιⷨ£¬¶Å¿¡Ã÷£¬ÂÞÁ¦
£¨4688ÃÀ¸ß÷µÇ¼ÖÐÐÄ£¬ËÄ´¨ ³É¶¼ 610207£©
ÕªÒª£ºÔÚ²»Ðâ¸Ö´øÁ¬ÍËËáÏ´Àú³ÌÖУ¬¶ÔËÙÂʺÍÕÅÁ¦µÄ¿ØÖÆ£¬¾öÒéÁ˲úÆ·µÄÆ·ÖÊ£»¶øÓû§¶Ô¸ßÆ·ÖÊ¡¢¸ßЧÂʵÄÐèÇó£¬Ê¹ÏµÍ³Îȹ̡¢¿É¿¿ÔËÐгÉΪһ¶¨ÒªÇó¡£Òò´Ë¾ßÓиßÐÔÄÜ¡¢¸ß¿É¿¿ÐԵĽ¹µã²¿¼þ¡ª¡ª±äƵÆ÷£¬½«³ÉΪ¸ßÆ·Öʲ»Ðâ¸Ö²úÆ·µÄÖ÷Òª°ü¹Ü¡£4688ÃÀ¸ß÷µÇ¼ÖÐÐıäƵÒÔÆä20ÓàÄêµÄÊÖÒÕ»ýµí£¬ÔÚ´ËÁìÓòÈ¡µÃÍ»ÆÆ£¬ÀÖ³ÉÓ¦ÓÃÓÚ1250mm²»Ðâ¸ÖÉú²úÏߣ¬¿ª´´Á˹ú²ú±äƵÆ÷ÔÚ¹¤³ÌÐÍÖØ´ó¿ØÖÆϵͳӦÓõÄÏÈÀý£¬ÔÚÒ±½ðÒ»Á¬Éú²úÖйØÓÚ¹ú²úÌæ»»Èë¿Ú¾ßÓÐÊ÷Ä£ÒâÒå¡£
Òªº¦´Ê£ºËáÏ´£»±äƵÆ÷£»Ê¸Á¿¿ØÖÆ£»×ª¾Ø¿ØÖÆ£»Ö÷´Ó¿ØÖÆ
Application of Senlan Inverters for 1250mm ContinuousStainless Strip Annealing and Pickling
REN Guang-fa, DU Jun-ming£¬LUO Li
(Hope Senlan Science and Technology HoldingCorp.,Ltd., 610207 Chengdu Sichuan)
Abstract£ºIn the continuous stainless strip annealingpickling process, the speed and tension control, determines the quality of theproducts. It becomes an inevitable requirement that the system is stable,reliable operation to satisfy the user¡¯s demands for high-quality and highefficiency. Therefore, with high performance, high reliability, the keycomponent - inverter, will be an important guarantee for high-quality stainlessstrip products. Senlan inverters with its more than 20 years of technicalaccumulation, a breakthrough in the field, have been successfully applied to1250mm stainless strip production line, create a domestic inverter in theapplication of complex engineering control system precedent, and demonstrate insteadof imported in the continuous metallurgy.
Keywords£ºPickling; Inverter; VectorControl; Torque Control; Master-Slave Control
1¡¢ËáÏ´¹¤ÒÕÀú³Ì¼ò½é
ÈÈÔþ²»Ðâ¸Ö´øÍâòÁýÕÖ×ÅÒ»²ãºÚ»ÒÉ«Ñõ»¯ÌúƤ£¬ºñ¶ÈÔÚ7.5-15¦Ìm£¬ÉõÖÁµ½20¦Ìm£¬Îª°ü¹ÜÖÆÆ·¸Ö´øµÄÍâòÖÊÁ¿£¬ïÔ̺óÐøÀäÔþµÈÉî¼Ó¹¤Ê±Ä¥ËðºÍÄܺģ¬ÒªÈ¥³ýÑõ»¯²ã£¬¶øʹÓÃËáÓëÌúµÄÑõ»¯Îﱬ·¢»¯Ñ§·´Ó¦µÄ»ùÀ´Ô´Àí£¬É¨³ýÍâòµÄÓÍÎÛ¡¢Ðâ°ß¡¢Ñõ»¯²ã¡¢ÓÎÀëÌúµÈÎÛ¹¸£¬²¢¾ÙÐжۻ¯£¬´¦Öóͷ£ºóµÄÍâòÄð³ÉÔȳÆÒø°×É«£¬ÄÍÇÖÊ´ÄÜÁ¦Ìá¸ß15-50±¶£¬´ËÀú³Ì¼´Îª²»Ðâ¸Ö´øµÄËáÏ´¶Û»¯´¦Öóͷ£¡£
²»Ðâ¸Ö´øµÄÒ»Á¬ËáÏ´ÊÇÖ¸ÔÚ¿ª¾í¡¢»»¾í»òÊÕ¾í¡¢Ð¶¾íʱ£¬´ø¸ÖÒ»Á¬µØͨ¹ýÊ¢ÓÐËáÈÜÒºµÄËáÏ´²Û¶øÒ»Ö±³µ£¬¾ßÓвúÄܸߡ¢Éú²ú±¾Ç®µÍµÄÓŵ㣬ҲÓÐͶ×ʸߣ¬Õ¼µØÃæ»ý´óµÄÈõµã£¬¿ÉΪ´ø¸ÖÀäÔþ»úÌṩÓÅÁ¼µÄËáÏ´´ø¾í²úÆ·¡£Ò»Á¬ËáÏ´»ú×éÒ»Ñùƽ³£·ÖΪÈë¿Ú¶Î¡¢¹¤Òնκͳö¿Ú¶Î£¬¸÷¶Î¿Éµ¥¶ÀÔËÐУ¬Ò²¿Éе÷ÔËÐУ»ÔÚÈ·±£»ú×éÇå¾²¡¢¸ßЧ¡¢Îȹ̲Ù×÷ÔËÐеÄͬʱ£¬Äܹ»³ä·ÖÖª×ãÓû§¶Ô´ø¸ÖÒ»Á¬ËáÏ´Éú²ú½Ï¸ßµÄ¾¼Ã¡¢»·±£µÈÖ¸±êÒªÇó¡£
¿Í»§ÏÖ³¡¼´Îª1250mm²»Ðâ¸Ö´øÁ¬ÍËËáÏ´Éú²úÏߣ¬¹¤ÒÕÁ÷³ÌÈçͼ1Ëùʾ£¬ÓÉ¿ª¾í»úµ½Èë¿Ú»îÌ×ΪÈë¿Ú¶Î£¬´ÓÈë¿Ú»îÌ×µ½³ö¿Ú»îÌ×Ϊ¹¤ÒնΣ¬ºóÐøÖÁÊÕ¾í»úΪ³ö¿Ú¶Î¡£Õû¸öÉú²ú¹¤ÒÕÁ÷³Ì¹²ÓÐ50¶ą̀µç»úÍ϶¯£¬Òªº¦¹¤Î»Îª¿ª¾í»ú¡¢Ç£Òý½Ãƽ»ú¡¢ÕÅÁ¦¹õ£¨1#-9#ÕÅÁ¦¹õ¾ùΪ˫µç»ú×é³ÉµÄS¹õ£©¡¢Èë¿Ú»îÌס¢³ö¿Ú»îÌס¢ÊÕ¾í»úÊÂÇéÔÚ±Õ»·Ê¸Á¿¿ØÖÆ£¬Æ¾Ö¤¹¤ÒÕÒªÇóÊÂÇéÔÚËÙÂÊ¿ØÖÆ»òÕßת¾Ø¿ØÖÆģʽ£¬ÆäËûÈçÉÏÁϳµ¡¢ÏÂÁϳµ¡¢¼ÐË͹õ¡¢Ö§³Ö¹õ¡¢·ç»ú¡¢ÆÆÁÛ»ú¡¢Å×Íè»úµÈÒªÇ󲻸߿ÉÑ¡ÔñVF¿ØÖÆ»ò¿ª»·Ê¸Á¿¿ØÖÆ¡£
ͼ1 Ò»Á¬ËáÏ´¹¤ÒÕʾÒâͼ
Fig.1 Constitution ofcontinuous strip annealing and pickling process
Èý¸ö¶ÎµÄËÙÂÊ»®·ÖÓÉ1#¡¢4#¡¢9#ÕÅÁ¦¹õÖеÄһ̨£¨Ö÷»ú£©È·¶¨£¬Áíһ̨»ò¼¸Ì¨£¨´Ó»ú£©×öת¾Ø×·Ë棬ʵÏÖ¸ººÉƽºâ·ÖÅÉ¡£Õû¸öϵͳ¾ßÓд©´ø¹¦Ð§¡¢Ë«¿ª¾í»úÇл»¡¢¾²Ì¬½¨ÕÅ¡¢Èý¶Îе÷¿ØÖƵȹ¦Ð§£¬¸÷¶Îͨ¹ýËÙÂÊ»òת¾Ø¿ØÖÆά³Ö¾²Ì¬»ò¶¯Ì¬µÄƽºâ¡£¹¤ÒնεÄËÙÂʶԲ»Ðâ¸Ö´øµÄËáÏ´Æ·ÖÊÆð¾öÒé×÷Ó㬹ý¿ì£¬ËáÏ´Éî¶È²»·ó£¬¿ÉÄÜÖÆÆ·ÖÐÈÔÓа߼£±£´æ£»¹ýÂý£¬Ò×±¬·¢¹ýÇÖÊ´ºÍÇâ´àÕ÷Ï󡣶øÊÕÖ§¿Ú»îÌ×ÒÀÀµ»îÌ×ÖеĴ¢ÁÏÔÚ»»¾íÀú³ÌÖÐÆðµ½»º³å×÷Ó㬼á³Ö¹¤ÒÕ¶ÎËÙÂÊÎȹ̻òÕß΢½µ¡£
2 ¡¢×éÍø×é³É¼°Êý¾Ý½»»¥
ͼ2 ¿ØÖÆϵͳ×éÍøʾÒâͼ
Fig.2 Network connection ofcontrol system
Èçͼ2Ëùʾ£¬Õû¸öÁ¬ÍËËáÏ´¿ØÖÆϵͳ½ÓÄÉWinccͨÓüà¿Øϵͳ¡¢PLC¿ØÖÆÊÖÒÕºÍProfibus-DPÏÖ³¡×ÜÏßÏàÍŽáµÄ¿ØÖƼƻ®£¬ÓÉPLCʵÏÖ¿ØÖƺÍÊý¾ÝÊÕÂÞ¹¦Ð§£¬ÓÉWincc×é̬Èí¼þʵÏÖʵʱ¼à¿Ø¡¢ÏÔʾװ±¸ÔËÐÐ״̬¡¢Êý¾ÝÅÌÎʵȹ¦Ð§£¬Íê³É¶Ô×°±¸µÄÔ¶³Ì¼à¿ØºÍ¹ÊÕÏÕï¶Ï£¬Ìá¸ßÁËÉú²úÏßµçÆø¿ØÖÆϵͳµÄ×Ô¶¯»¯Ë®Æ½£¬ÊµÏָ߾«¶È¡¢ÊµÊ±ÐԺõIJÎÊýÕÉÁ¿¼°¿ØÖÆ¡£ÖпØÊÒƾ֤ÂÄÀúÉ趨ËáÏ´¹¤ÒÕ¶ÎÔËÐÐËÙÂÊ£¬ÏµÍ³½«×Ô¶¯µ÷½âÈë¿Ú¶ÎºÍ³ö¿Ú¶ÎËÙÂÊ£¬Ðµ÷ÔËÐС£
˼Á¿ÏÖʵӦÓÃÇéÐΣ¬Ñ¡ÔñPLCÓë±äƵÆ÷Profibus-DPͨѶµÄÊý¾ÝÀàÐÍΪPPO4£¬¼´³ý¿ØÖÆ×Ö¡¢ËÙÂʸø¶¨¼°ÆäÓ¦´ðÍ⣬¶Áд4¸öÀú³ÌÊý¾Ý£¬ÆäÒâÒå¼û±í1£º
±í1£ºPLCÓë±äƵÆ÷¼äµÄÀú³ÌÊý¾Ý
Tab.1 Process data between PLC and inverter
CW | REF | CPD1 | CPD2 | CPD3 | CPD4 |
¿ØÖÆ×Ö | ËÙÂʸø¶¨ | ת¾Ø¸ø¶¨ | δʹÓà | δʹÓà | δʹÓà |
SW | ACK | SPD1 | SPD2 | SPD3 | SPD4 |
״̬×Ö | ÔËÐÐתËÙ | ÔËÐеçÁ÷ | ÔËÐÐת¾Ø | λÖÃ1 | λÖÃ2 |
¿ØÖÆ×ÖÖаüÀ¨ÆðÍ£¿ØÖÆ¡¢Âö³å·â±Õ¡¢½ôÆÈÍ£³µ¡¢¹ÊÕϸ´Î»¡¢×ª¾Ø/ËÙÂÊ¿ØÖÆÇл»µÈ¹¦Ð§£»×´Ì¬×ÖÖаüÀ¨ÉϵçÍ£µ±¡¢ÔËÐÐÍ£µ±¡¢¹ÊÕÏ¡¢±¨¾¯¡¢Ä¿½ñ¿ØÖÆ·½·¨µÈ·´ÏìÐÅÏ¢¡£Àú³Ì×ÖÖеġ°Î»ÖÃ1¡¢2¡±ÈªÔ´ÓÚµç»ú¶ËµÄ±àÂëÆ÷Õý½»¼ÆÊý£¬ÓÃÓÚÊÕ¡¢·Å¾íµÄ¾í¾¶ÅÌË㣬Àû±ãʵÏָ߾«¶ÈµÄºãÕÅÁ¦¿ØÖÆ¡£ÓÉͨѶ¸ø³öµÄ¡°ËÙÂʸø¶¨¡±ºÍ¡°×ª¾Ø¸ø¶¨¡±ÄĸöÓÐÓã¬È¡¾öÓÚϵͳµÄÐèÇ󣬵±ÎªËÙÂÊ¿ØÖÆʱ£¬¡°ËÙÂʸø¶¨¡±ÓÐÓ㬶ø¡°×ª¾Ø¸ø¶¨¡±Ôò¿ÉÒÔÑ¡Ôñ×÷ΪËÙÂʵ÷ÀíÆ÷µÄÊä³öÏÞ·ù£»Ïà·´£¬Ä¿½ñΪת¾Ø¿ØÖÆʱ£¬¡°×ª¾Ø¸ø¶¨¡±ÓÐÓ㬶ø¡°ËÙÂʸø¶¨¡±¿ÉÒÔ×÷ΪËÙÂÊÏÞ·ù£¬±ÜÃâÉú²úÏß·ºÌڷɳµ¡£
3¡¢±äƵÆ÷µÄÒªº¦¹¦Ð§
SB70ϵÁбäƵÆ÷Êǹ«Ë¾ÓÚ2006ÄêÍƳöµÄͨÓÃÐÍʸÁ¿¿ØÖƲúÆ·£¬Æä¿ØÖÆÐÔÄÜ¡¢¿É¿¿ÐÔ¡¢½Ó¿ÚÎÞаÐÔµÈÔÚ´Ë´ÎÓ¦ÓÃÖеÃÒÔ³ä·ÖÕ¹ÏÖ¡£
3.1 ±äƵÆ÷µÄÌصã
SB70ϵÁбäƵÆ÷½ÓÄÉת×Ӵų¡¶¨ÏòÊÖÒÕ£¬ÊµÏÖ¶Ôµç»úÀø´ÅµçÁ÷ºÍת¾ØµçÁ÷µÄ¸ß¾«¶È½âñî¿ØÖÆ£¬Ê¹µç»ú¾ßÓÐ0.02%µÄÎÈ̬תËÙ¾«¶È£¬5%µÄת¾Ø¾«¶È£¬×ª¾ØÏìӦʱ¼äÔÚ10ms×óÓÒ£¬¿ÉÓëÖ±Á÷µ÷ËÙϵͳÏàæÇÃÀ¡£
±äƵÆ÷ËùÄÚÖõĸßËÙÂö³åÊä³öPFOºÍ¸ßËÙÂö³åÊäÈëPFI¶Ë×Ó¼°¹¦Ð§£¬¿ÉÒÔÍêÉƵÄÊÊÓÃÓÚϵͳµÄÖ÷´Ó¸ººÉ·ÖÅÉ£¬¾ßÓÐÊý¾Ý¾«¶È¸ß¡¢¿¹×ÌÈÅÄÜÁ¦Ç¿¡¢ÏìÓ¦¿ì£¨ºÁÃ뼶£©¡¢ÎÞÑÓ³ÙµÈÌص㡣
ȫϵÁбäƵÓþßÓи»ºñµÄÑ¡Åä¼þ£¬ÈçÏÖ³¡Ñ¡ÓõÄÊÇ24VµçѹƷ¼¶µÄ±àÂëÆ÷½Ó¿Ú°å£¬¼æÈݶàÖÖÊä³öÀàÐ͵ıàÂëÆ÷£¬¾ßÓдøÔØÄÜÁ¦Ç¿¡¢¿¹×ÌÈÅÄÜÁ¦Ç¿µÄÓŵ㣻¸ß¿É¿¿ÐÔµÄDPͨѶת»»Ä£¿é£¬ÄÚÖÃ4688ÃÀ¸ß÷µÇ¼ÖÐÐÄ¿ØÖƹ¦Ð§£¬±ãÓÚÓû§²ÎÊýÉèÖÃ×é̬¡£
3.2 ËÙÂÊÓëת¾Ø¿ØÖƵÄÑ¡Ôñ
ÈçÇ°ËùÊö£¬±äƵÆ÷ÎüÊÕÀ´×ÔPLCµÄ¿ØÖÆÖ¸ÁîºÍ¸ø¶¨Öµ£¬Æ¾Ö¤²ÎÊýÉ趨ºÍ¿ØÖÆÖ¸ÁîÖеġ°×ª¾Ø/ËÙÂÊÇл»¡±È·¶¨Ä¿½ñ¿ØÖÆģʽ£¬Èçͼ3Ëùʾ¡£ÈçÅ×Íè»ú½öÈ¡ËÙÂÊÖ¸ÁÊÕ¾í»úÔòËÙÂʺÍת¾Ø¶¼ÒªÓã¬¿Õ¾í¶¨Î»¡¢¸Ö´øÒ§ºÏºóÊ×Ȧ¡¢Âú¾íÇжϺóµÈ¾ùΪËÙÂÊ¿ØÖÆ£¬Õý³£ÊÕ¾íʱΪת¾Ø¿ØÖÆ£¬×ª¾Ø¸ø¶¨ÖµÀ´×Ô¸Ö´øÕÅÁ¦ÓëÄ¿½ñ¾í¾¶µÄ³Ë»ý£¨´«¶¯±È¼°×ª¾Ø±ê¶¨´Ë´¦Î´Ë¼Á¿£©£»»îÌ׳ý´©´øÍ⣬һֱÊÂÇéÔÚת¾Ø¿ØÖÆģʽ£»×÷Ϊ¿ª¾í»ú£¬ÏÈÕýÏòËÍ¾í£¬Ê¹¸Ö´øÑÓÉìÖÁÇ£Òý½ÃÖ±»ú£¬º¸½Óºó£¬×ªÎª·´ÏòËÙÂÊ¿ØÖÆ£¬²¢¼ÓÒÔת¾ØÏÞ·ù£¬ÔÚÕý³£ÔËÐÐʱ£¬ÒòËÙÂʸø¶¨ºÍÄ¿½ñËÙÂÊ·´Ïò£¬ËÙÂʵ÷ÀíÆ÷ÊÂÇéÔÚ±¥ºÍµÄת¾ØÏÞ·ù״̬£¬Ê¹¿ª¾í´¦µÄÕÅÁ¦Öµ¼á³Öºã¶¨£¬ÏÞ·ùת¾ØµÄÅÌËãÓëÊÕ¾í´¦ÔÀíÏàͬ£»Ó¦ÓÃ×î¶àµÄÕÅÁ¦¹õ£¬±»Ñ¡×÷Ö÷»úµÄÊÂÇéÔÚËÙÂÊ¿ØÖÆģʽ£¬ÆäËûÊÂÇéÔÚת¾Ø¿ØÖÆģʽ£¬Ö»ÊÇת¾ØµÄȪԴÂÔÓÐÇø±ð¡£
ͼ3 ת¾Ø/ËÙÂÊÇл»Í¼
Fig.3 Selection of the torqueor speed control
3.3 Ö÷´Ó¿ØÖƼ°¸ººÉ·ÖÅÉ
¹ØÓÚÈë¿Ú¶Î¡¢¹¤Òնκͳö¿Ú¶ÎÖÐËÙÂÊ¿ØÖƵÄ3¸öÖ÷»úÈ«³Ì½ÓÄÉËÙÂÊ¿ØÖÆ£¬¶øÆä´Ó»úÑ¡Ôñת¾Ø¿ØÖÆ¡£Ö÷»úµÄPFO¶Ë×ÓÊä³ö±¾»úµÄ¡°×ª¾Ø¸ø¶¨¡±£¬´Ó»úµÄPFI¶Ë×ÓÎüÊÕÊý¾Ý£¬×÷Ϊ´Ó»úµÄ¡°×ª¾Ø¸ø¶¨¡±£¬ÊµÏÖ¸ººÉ·ÖÅÉ£¬PFOÓëPFI½ÓÄÉË«½ÊÏßÅþÁ¬£¬Èçͼ4Ëùʾ¡£5#S¹õÓë4#S¹õÏÖʵ¾àÀëºÜ½ü£¬ÈÔÒÔΪÊǸÕÐÔÅþÁ¬£¬Òò´Ë5#S¹õÒ²×÷Ϊ4#µÄ´Ó»ú¡£
ͼ4Ö÷´Ó¿ØÖƸººÉ·ÖÅÉͼ
Fig.4 Balance of master andslave
ÒòPFOºÍPFIÖ»ÄÜ´«ÊäÎÞ·ûºÅÊý¾Ý£¬Ê¹ÓñäƵÆ÷×ÔÉíÌØÓеġ°ËãÊõµ¥Î»¡±¾ÙÐмӼõÔËË㣬ÎÞаʵÏÖÁËÖ÷¡¢´Ó»úÓзûºÅÊýÓëÎÞ·ûºÅÊýµÄÏ໥ת»»£»Ó¦ÓÃÖУ¬×ÛºÏ˼Á¿¿ØÖƾ«¶ÈºÍҪת´ïÊý¾ÝµÄ×î´ó×îСֵ£¬È·¶¨ÊÇ·ñÐèÒªÔöÌíÒ»¼¶¡°ËãÊõµ¥Î»¡±¶ÔÊý¾Ý¾ÙÐÐËõ·Å£»´ËÏîÄ¿ÖУ¬µç»úµÄ¸ºÔØת¾ØСÓÚ80%µÄ¶î¶¨×ª¾Ø£¬±äƵÆ÷ÓÃÓÚÄ£ÄâÊäÈëÊä³öµÄת¾ØÁ¿ÊÇÒÔ2.5±¶µÄµç»ú¶î¶¨×ª¾Ø±ê¶¨£¬Òò´Ë80%µÄ¸ºÔØת¾Øʱ¶ÔÓ¦µÄ±äƵÆ÷µÄת¾ØÄ£ÄâÁ¿Îª32%¡£
4¡¢ÏÖ³¡ÇéÐÎ
ͼ5 µ÷ÊԽ׶ÎÏÖ³¡Í¼Æ¬
Fig.5 Pictures of the debuggingstage
±àÂëÆ÷µÄ¿¹×ÌÈÅ´¦Öóͷ£
ÓÉÓÚÁ¬ÍËËáÏ´Éú²úÏß×°±¸Öڶ࣬ÔÚÏÖ³¡²¼Ïßʱ£¬ºÜÄѽ«¹¦Âʲ¿·ÖÓëÐźŲ¿·ÖÍÑÀ룬ÓÈÆäÊÇËÙÂÊ·´ÏìµÄ±àÂëÆ÷ÐźÅÏß¾³£Óëµç»úµçÀÂÒ»Æð£¬ÇÒ¾àÀëÓеÄÁè¼Ý100m£¬²»¿É×èÖ¹µÄÊܵ½×ÌÈÅ¡£
ÏÖ³¡Ò²·ºÆðÁË¿ª¾í»ú·´ÏìÒì³£µÄÕ÷Ïó£¬ÔÚ¾²Ì¬½¨ÕÅʱ£¬×ª¾Ø²»Îȹ̣¬²»×¼Ê±·ºÆðµôÕÅÕ÷Ïó£¬ÔÙ·´Ïò±Á½ôÖØн¨ÕÅ£»ÔËÐÐÀú³ÌÖУ¬Ò²ÓеôÕÅ·ºÆð£¬Ôì³É¸Ö´ø²ü¶¶¡£Ôì³ÉÕâÖÖÕ÷ÏóµÄÔµ¹ÊÔÓÉÊǵç»úµçÀÂÖеĸßƵ¹²Ä£¶Ô±àÂëÆ÷Ôì³ÉÁË×ÌÈÅ£¬»áÐγɸßƵµÄÎÞÐòÂö³å£¬ÔÚ±äƵÆ÷ʶ±ðʱ»áÓÐËÙÂÊÌø±ä£¬ÖÂʹ´Å³¡¶¨Ïò½û¾ø£¬×ª¾Øʧ¿Ø¡£
ÏÖ³¡µÄ´¦Öóͷ£²½·¥£¬ÖØд¦Öóͷ£µç»úºÍ±äƵÆ÷µÄ¹¦ÂʵçÀÂÆÁÕÏÁ½Í·½ÓµØ£¬±àÂëÆ÷·´ÏìµçÀ¾ÙÐпɿ¿µÄµ¥¶Ë½ÓµØ£¬²¢ÔöÌíÔöÇ¿¸ôÀëÕûÐεĽӿÚת»»°å£»Õû¸Äºó£¬ËÙÂÊ·´ÏìÌø±äºÍϵͳµôÕÅÕ÷ÏóÏûÊÅ£¬µÖ´ïÁî¿Í»§Öª×ãµÄ¿ØÖÆЧ¹û¡£