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µ±Ç°Î»ÖãºÊ×Ò³ > 挖掘机远程监测系统的研究与设è®?- 百度文库

挖掘机远程监测系统的研究与设�- 百度文库

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  • 2025/5/24 23:11:46

µÚÈýÕ ³µÔØÖն˵ÄÓ²¼þϵͳÉè¼Æ

ͼ3-4 GSMÄ£¿éÖ÷µç· Fig 3-4 The main circuit of GSM module

2.SIM¿¨µç·

SIM¿¨µç·ÊÇGSMÄ£¿éµÄÒ»¸öÖØÒªµç·£¬Ö»ÓÐ×°ÈëÁËSIM¿¨£¬GSMͨÐÅÄ£¿é²ÅÄܽøÐÐÕý³£µÄÊý¾ÝͨÐÅ£¬ÔÚ±¾¿ÎÌâÖвÉÓÃÁË6¸öÒý½ÅµÄSIM¿¨×ù£¬ÆäÒý½Åͼ[40]Èçͼ3-5Ëùʾ£º

ͼ3-5 SIM¿¨Òý½Åͼ Fig 3-5 The pin figure of SIM card

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SIM¿¨×ùµÄÒý½Å˵Ã÷Èç±í3-3Ëùʾ£º

±í3-3 SIM¿¨×ùÒý½Å˵Ã÷ Table 3-3 The pin description of SIM card Òý½ÅºÅ 1 2 3 4 5 6 Ãû³Æ VCC RESET CLK GND VPP IO ˵Ã÷ SIM¿¨¹©µçÒý½Å SIM¿¨¸´Î»Òý½Å SIM¿¨Ê±ÖÓÒý½Å SIM¿¨µØÒý½Å SIM¿¨±à³Ì¹©µçÒý½Å SIM¿¨Êý¾ÝÊäÈëÊä³öÒý½Å SIM¿¨µç·Èçͼ3-6Ëùʾ£º

ͼ3-6 SIM¿¨µç·ԭÀíͼ

Fig 3-6 The principle figure of SIM card¡¯s circuit

ͼ3-7 GSMÄ£¿éÆô¶¯µç·ԭÀíͼ

16

µÚÈýÕ ³µÔØÖն˵ÄÓ²¼þϵͳÉè¼Æ

Fig 3-7 The principle figure of GSM module¡¯s starting circuit

3.GSMÄ£¿éÆô¶¯µç·

ÔÚ±¾¿ÎÌâÖУ¬SIM300Ä£¿éÓÐÁ½ÖÖÆô¶¯·½Ê½£º £¨1£©°´¼ü¿ØÖÆÆô¶¯£» £¨2£©I/O¿Ú¿ØÖÆÆô¶¯¡£

Æô¶¯µç·µÄÔ­ÀíͼÈçͼ3-7Ëùʾ£¬Í¼ÖÐÉϰ벿·ÖΪ°´¼üÆô¶¯µç·£¬Ï°벿·ÖΪI/O¿Ú¿ØÖÆÆô¶¯µç·£¬Í¨¹ýµ¥Æ¬»úI/O¿ÚP10¿ØÖÆÈý¼«¹ÜQ1µÄ¿ª¹Ø´Ó¶øÊµÏÖ¶ÔSIM300Ä£¿éµÄ¿ª¹Ø¿ØÖÆ¡£

4.SIM300ÍøÂç״ָ̬ʾµç·

SIM300Ä£¿éͨ¹ýÒý½Å30£¨Network-LED£©¿ØÖÆÒ»¸öָʾµÆ£¬µ±GSMÍøÂçÁ¬½Ó³É¹¦ºó£¬Ö¸Ê¾µÆÁÁ¡£ÍøÂçָʾµç·µÄÔ­ÀíͼÈçͼ3-8Ëùʾ£º

ͼ3-8 GSMÍøÂçָʾµç·ԭÀíͼ

Fig 3-8 The Principle of GSM¡¯s network indicating circuit

3.4 CANͨÐÅÄ£¿éÉè¼Æ

ͼ3-9 CANͨÐŵç·ԭÀíͼ

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ÄÚÃɹŹ¤Òµ´óѧ˶ʿѧλÂÛÎÄ

Fig 3-9 The principle figure of CAN communicating circuit

µ±Ç°³£ÓõÄCAN¿ØÖÆÆ÷Ö÷ÒªÓÐÁ½ÖÖ£¬Ò»ÖÖÊǶÀÁ¢CAN¿ØÖÆÆ÷£¬ÈçSJA1000¡¢MCP2515£¬ÁíÒ»ÖÖÊÇǶÈëÁËCAN¿ØÖÆÆ÷µÄMCU,ÈçP8XC592¡£ÓÉÓÚ±¾ÏµÍ³Ñ¡ÓõÄMCUƬÄÚ²¢Î´¼¯³ÉCAN¿ØÖÆÆ÷£¬Òò´ËÐèÒªÍâÀ©¶ÀÁ¢CAN¿ØÖÆÆ÷ÒÔʵÏÖCANͨÐŹ¦ÄÜ¡£±¾ÏµÍ³Ñ¡ÓöÀÁ¢CAN¿ØÖÆÆ÷MCP2515,´ËCAN¿ØÖÆÆ÷ͨ¹ýËÄÏßÖÆµÄSPI½Ó¿ÚÓ뵥Ƭ»ú½øÐÐͨÐÅ£¬¿ÉÒÔ¼«´óµÄ½ÚÊ¡µ¥Æ¬»úµÄI/O¿Ú×ÊÔ´£¬»¹¿ÉÒÔͨ¹ýÖжÏÒý½Å֪ͨµ¥Æ¬»ú¶ÔÆä½ÓÊÕ»º³åÆ÷ÖеÄÊý¾Ý½øÐжÁÈ¡¡£CANͨÐÅÄ£¿éµÄÓ¦Óõç·Èçͼ3-9Ëùʾ¡£

µç·ÓÉÁ½²¿·Ö×é³É£ºCAN¿ØÖÆÆ÷MCP2515ºÍ×ÜÏßÊÕ·¢Æ÷TJA1050¡£ÆäÖÐMCP2515¸ºÔðÖ´ÐÐCANЭÒ飬¶Ô±¨ÎĽøÐзâ×°´ò°üºÍ½ÓÊÕ½â°ü£¬TJA1050¸ºÔðµçƽת»»£¬½«CAN¿ØÖÆÆ÷´«Ë͹ýÀ´µÄÊý×ÖÐźÅת»»³ÉCAN×ÜÏßÉϵIJî·ÖÐźţ¬»ò½«CAN×ÜÏßÉϵIJî·ÖÐźÅת»»ÎªÊý×ÖÐźŴ«Ë͸øCAN¿ØÖÆÆ÷¡£MCP2515ͨ¹ýSCK¡¢SI¡¢SO¡¢CSËĸöÒý½ÅÓ뵥Ƭ»úµÄI/O¿ÚÏàÁ¬£¬¸ºÔðÓ뵥Ƭ»ú½øÐÐÊý¾ÝͨÐÅ£¬Í¨¹ýINTÒý½Å½Óµ¥Æ¬»úµÄÍⲿÖжÏ1Òý½Å£¬¸ºÔð¸øµ¥Æ¬»ú·¢ËÍÖжÏÇëÇóÐźš£TJA1050ͨ¹ýÒý½ÅCANHºÍCANLÓëCAN×ÜÏß½øÐÐÁ¬½Ó£¬ÔÚCANHºÍCANLÁ½¶ËÐèÒª²¢ÁªÒ»¸ö120¦¸µÄµç×裬Õâ¸öµç×è·Ç³£ÖØÒª£¬¿ÉÒÔÌá¸ßÊý¾ÝͨÐŵĿ¹¸ÉÈÅÐԺͿɿ¿ÐÔ£¬ºöÂÔµôËü£¬¿ÉÄܻᵼÖÂÎÞ·¨Í¨ÐÅ[41-42]¡£

3.5 LCDÒº¾§ÏÔʾģ¿éÉè¼Æ

ͼ3-10 Òº¾§Ä£¿éÓ뵥Ƭ»úÁ¬½Óµç·

Fig 3-10 The junction circuit between LCD module and MCU

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µÚÈýÕ ³µÔØÖն˵ÄÓ²¼þϵͳÉè¼Æ ͼ3-4 GSMÄ£¿éÖ÷µç· Fig 3-4 The main circuit of GSM module 2.SIM¿¨µç· SIM¿¨µç·ÊÇGSMÄ£¿éµÄÒ»¸öÖØÒªµç·£¬Ö»ÓÐ×°ÈëÁËSIM¿¨£¬GSMͨÐÅÄ£¿é²ÅÄܽøÐÐÕý³£µÄÊý¾ÝͨÐÅ£¬ÔÚ±¾¿ÎÌâÖвÉÓÃÁË6¸öÒý½ÅµÄSIM¿¨×ù£¬ÆäÒý½Åͼ[40]Èçͼ3-5Ëùʾ£º ͼ3-5 SIM¿¨Òý½Åͼ Fig 3-5 The pin figure of SIM card 15 ÄÚÃɹŹ¤Òµ´óѧ˶ʿѧλÂÛÎÄ SIM¿¨×ùµÄÒý½Å˵Ã÷Èç±í3-3Ëùʾ£º ±í3-3 SIM¿¨×ùÒý½Å˵Ã÷ Table 3-3 The pin description of SIM card Òý½ÅºÅ 1 2 3 4

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