4±ÏÒµÉè¼Æ£¨ÂÛÎÄ£©ÖÐÓ¢ÎÄÎÄÏ×·­Òë ÏÂÔر¾ÎÄ

ºþ±±Àí¹¤Ñ§Ôº ±ÏÒµÉè¼Æ(ÂÛÎÄ)ÍâÎÄÎÄÏ×·­Òë

3.2 ·Ö¿ØÖÆÕ¾

·Ö¿ØÖÆÕ¾µÄ¾ö¶¨¿ÉÒÔ¿ØÖÆ´¦Àíµ±µØµÄÐÅÏ¢¡£ÕâÖÖ¼¼ÊõÎÒÃǾÍÒÀ¿¿¸ºÔØÐÍЭµ÷ϼ¶µ¥Î»£¬³ÐÈÏÔÚͬһˮƽÉϵÄÆäËû¾ö¶¨µ¥Î»µÄ´æÔÚ;ÖÐÑë»ò¸ß²ãÌṩÁËÒ»¸ö½ÏµÍµÄµ¥Î»Ä£ÐÍÖ®¼äµÄÐж¯ºÍϵͳÏìÓ¦µÄ¹Øϵ¡£ºÜÃ÷ÏÔ£¬Ò»¸öÇ¿´óµÄ»úÆ÷£¬ÐèÒªÔÚÕâ¸ö½×¶Î£¬Ê¹ËùÓÐÐèÒªµÄ¹¦Äܵõ½ÓÐЧִÐС£ ¸ÃоƬµÄÐÂÒ»´ú¹©Ó¦Ê¹µÃ¸ÃÌåϵ½á¹¹µÄ½â¾ö±äµÃ¿ÉÐС£

µ¥Æ¬»ú±»Ñ¡ÖÐÁËÀëÉ¢µÄÊý×ÖºÍÄ£ÄâÉ豸½Ó¿Ú£¬µ½ÍâµØÉ豸ºÍÖÐÑë΢»ú¡£ÕâÊÇ×îÖ÷ÒªµÄÔ­Òò£¬ÒÔÇ°ÕâÖÖ×ö·¨ÊDz»¿ÉÐеġ£¸ÃоƬµÄÑ¡ÔñµÄ£¬°üº¬ÒªÇóµÄÄ£ÄâºÍÊý×Ö½Ó¿ÚËùÐèµÄ¶Ë¿ÚºÍCMOS¼¼ÊõµÄÔËÓà £¬ ÓÉÓڵش¦Æ«Æ§µÄ·Ö¿ØÖÆÕ¾×îÒ»Ì廯¡£ Õâ¸öÑ¡ÔñÊÇĦÍÐÂÞÀ­68HC11A4£¬ÀíÓÉÈçÏ£º

£¨1£©ËüÊÇCMOS¼¼Êõ£¬Õâ¿É¼õÉÙµçÁ¦ÏûºÄ¡£ £¨2£©ËüÓÐÒ»¸öUART£¬ÕâÓÐÀûÓÚ´®ÐÐͨÐÅ¡£

£¨3£©ËüÓÐÒ»¸öA / Dת»»Æ÷ÉÏ£¬ÕâÏû³ýÁËÍⲿA / Dת»»

£¨4£©ËüÓÐÒ»¸ö4KµÄROM£¬256 KÄڴ棬512K EERROM×Ö½Ú40¸öI/O¶Ë¿ÚµÄÏß·ºÍÒ»¸ö16λ¶¨Ê±Æ÷;·ûºÏ·Ö¿ØÖÆÕ¾ËùÓеÄÄÚ´æºÍ1 / 0µÄÒªÇó¡£

4¡¢ÏµÍ³ÊµÊ©

·Ö¿ØÖÆÕ¾£ºÍ¼.3 ÊÇÓÃÓÚÒ»¸öÔ¶³Ì»ðÔÖ±¨¾¯MC68HCllA4µç·¿òͼ ¼ì²âµç·£ºÍ¼.4ÕâÊÇÇ°Ò»¸öµç·µÄÀ©Õ¹ÐÎʽ¡£¿ÉÒÔ¿´³öµ¥Æ¬»ú¿ÉÓÃÓÚ¼à¿Ø¶à¸ö̽²âÆ÷£¬´Ó¶ø½µµÍÁËϵͳ³É±¾¡£

»Ø·µçÔ´£¬Í¨³£ÔÚ26µ½28VÖ®¼ä£¬Í¨³£Îå·üÒ»°ÙºÁ°²µ¥Æ¬µÍ¹¦ºÄµçѹµ÷½ÚÆ÷¹©µçµÄ΢¿ØÖÆÆ÷¡£°åÔØÕñµ´Æ÷£¬ÊÇÒ»¸ö2.4576 MHzµÄÍⲿ¾§Ìå½áºÏ£¬Ìṩʱ¼äÐźţ¬Ëü±»·ÖΪ4¸öÄÚ²¿ÊÕÒæÂÊΪ614.4ǧºÕ£¬ÕâÊÇÒ»¸ö¸ü¶àµÄRS 232 [7]²¨ÌØÂÊ·¢ÉúÆ÷µÄ´¦ÀíÆ÷ƵÂÊ΢¿ØÖÆÆ÷¡£

ºþ±±Àí¹¤Ñ§Ôº ±ÏÒµÉè¼Æ(ÂÛÎÄ)ÍâÎÄÎÄÏ×·­Òë

5¡¢Ö÷Ñ­»·

ºþ±±Àí¹¤Ñ§Ôº ±ÏÒµÉè¼Æ(ÂÛÎÄ)ÍâÎÄÎÄÏ×·­Òë

6¡¢½áÂÛ

±¾ÎÄÃèÊöÁËÒ»¸ö´ó¹æÄ£µÄ»ðÔÖ̽²â¼°±¨¾¯ÏµÍ³£¬Ê¹ÓöàµÄ·¢Õ¹£¬µ¥Ð¾Æ¬Î¢ÐͼÆËã»ú¡£¸Ã¼Ü¹¹ÊDzÉÓÃÁ½¸ö²ã´ÎµÄ¾ö²ß²ã´Î¡£ÕâÖּܹ¹ÊÇ¿ÉÒÔÓõ½µÄеÄCMOS΢¿ØÖÆÆ÷£¬µÍ¹¦ºÄ£¬²¢ÔÚÊý¾Ý´¦Àí¹¦ÄÜÇ¿´óµÄ¸ß¶Ñ»ýÃܶȺ;ö²ß¡£Ã¿¸öµØ·½¿ØÖÆÕ¾¿ÉÒÔ×ÔÖ÷×÷³öµÄ¾ö¶¨Èç¹ûÉϼ¶»ú¹¹£¬ÔÊÐíËüÕâÑù×ö¡£Ò»°ã¸ñʽ»¯ÏµÍ³Éè¼Æ£¬Òò´ËËü¿ÉÒÔÊÊÓ¦²»Í¬µÄÇé¿ö¡£ËùÃèÊöµÄϵͳԭÐÍÒѾ­½¨³É²¢²âÊÔ¡£ ÖÐÑë¿ØÖÆÕ¾µÄ¿ØÖƲ¿·ÖÊÇ»ùÓÚMC 68000΢´¦ÀíÆ÷£¨Ä«Î÷¸ç68KECBĦÍÐÂÞÀ­£©£¬ËüÓÐÒ»¸öÄÚÖõÄÏÔʾÆ÷³ÆΪµ¼Ê¦¡£ ¸ÃÓ¦ÓóÌÐò¶¼ÊÇʹÓÃÕâ¸öÏÔʾÆ÷ÌṩµÄÌØÐÔ¡£ ±¾µØ»ùÕ¾¿ØÖÆÆ÷µÄÉè¼Æ²ÉÓÃÁËMC68705R3µ¥Æ¬»ú¡£

7¡¢²Î¿¼ÎÄÏ×

1 ¡®Fire protection guidelines for nuclear power plants¡¯, US NRC Regulatory Guide 1.120

2 BAGCHI, C.N.: ¡®A multi-level distributed microprocessor system for a nuclear power plant fire protection system controls, monitoring,

and communication¡¯, IEEE Trans., 1982

3 PUCILL, P.M.: ¡®Fire hazard protection, detection and monitoring systems¡¯, Sea. Con, 2, Proceedings of Symposium on ADV in offshore and terminal measurement and control systems, Brighton, England, March 1979, pp. 353-363

4 HEAVISID, L.: ¡®Offshore fire and explosion detection and fixed fire¡¯. Offshore Technological Conference, 12th Annual Proceedings,4, Houston, Texas, May 1980, pp. 509-522

5

CELLENTANI,

E.N.,

and

HUMPHREY,

W.Y.:

¡®Coordinated

detection/communication approach to fire protection¡¯, Specif: Eng.,

6 ¡®Motorola Microprocessors Data Manual¡¯ (Motorola Semiconductor Products, Austin, Texas, USA)

7 Electronic Industries Association : ¡®Interface between data terminal equipment and data communication equipment employing serial

binary data interchange¡¯ (EIA Standard RS-232, Washington, DC, 1969) 8 MESAROVIC, M.D., MACKO, D., TAKAHARA, Y.: ¡®Theory of hierarchical

ºþ±±Àí¹¤Ñ§Ôº ±ÏÒµÉè¼Æ(ÂÛÎÄ)ÍâÎÄÎÄÏ×·­Òë

multilevel systems¡¯ (Academic Press, 1970)

9 KASSEM, M.: ¡®Fire alarm systems¡¯, MSc. thesis, Dept. of Elec. & Comp. Eng., Concordia University, Montreal, Canada, 1985

10 LIE, P., and KOTAMARTI, U.: ¡®The design of a fire alarm system using microprocessors¡¯, C481 Project, Dept. of Elec. and Comp. Eng., Concordia University, Montreal, Canada, 1986