【正文】 [10]. 吳天佑 . 基于溫度傳感器的 PC 散熱解決方案 [J].世界電子元器件 。 35 123456ABCD654321D C B ATitleNumberRevisionSizeCDate:12Jun2012Sheet of File:C:\Users\huanglongfei\Desktop\cheng\yuanlitu\新建文件夾\BACKUP~1.DDBDrawn By:EA/VP31X119X218RESET9RD17WR16INT012INT113T014T115P101P112P123P134P145P156P167P178P0039P0138P0237P0336P0435P0534P0633P0732P2021P2122P2223P2324P2425P2526P2627P2728PSEN29ALE/P30TXD11RXD10U1 8051D1 LEDR22210KR3334.7KU2 BELLC3 CAPC2 CAPR23RES2R28CRYSTALVCCQ1 NPNVCCR22RES2GND1DQ2VCC3DS18B20VCCC5 CAPS17SWPB_REAET28RC27CLKO26DIG725DIG624DIG523DIG422DIG321DIG220DIG119DIG018DP17SA16SB15VDD1VDD1NC3VSS4NC5_CS6CLK7DATA8_KEY9SG10SF11SE12SD13SC147279Component_1S1 SWPBS2 SWPBS3 SWPBS4 SWPBS5 SWPBS6 SWPBS7 SWPBS8 SWPBS9 SWPBS10SWPBS11SWPBS12SWPBS13SWPBS14SWPBS15SWPBS16SWPB1 2 3 4 5 6 7a b c d e f g8dp9GNDabfcgdedpDS3AMBERCC1 2 3 4 5 6 7a b c d e f g8dp9GNDabfcgdedpDS4AMBERCC1 2 3 4 5 6 7a b c d e f g8dp9GNDabfcgdedpDS5AMBERCC1 2 3 4 5 6 7a b c d e f g8dp9GNDabfcgdedpDS6AMBERCC1 2 3 4 5 6 7a b c d e f g8dp9GNDabfcgdedpDS7AMBERCC1 2 3 4 5 6 7a b c d e f g8dp9GNDabfcgdedpDS8AMBERCC1 2 3 4 5 6 7a b c d e f g8dp9GNDabfcgdedpDS2AMBERCC1 2 3 4 5 6 7a b c d e f g8dp9GNDabfcgdedpDS1AMBERCCR2010KR1910KR1810KR1710KR9200R10200R11200R12200R13200R14200R15200R16200R3R6R7R4R5R8R1R2R211.5KC1 15PFVCCVCC100k*8VCCQ2 9014R111510R882KQ3 NPNK1 繼電器VCCVCCVCCU3 4N25220V~電熱絲p15C4 CAPS20SWPBS19SWPBS21SWPBS18SWPBR25RES2R26RES2R27RES2R24RES2D2 LEDD3 LEDD4 LEDD5 LEDVCCVCCp17P16P15P13P12P11P10P10P11P12P13附錄 A 電路原理圖 36 附錄 B PCB 圖 37 附錄 C 程序代碼 TEMPER_L EQU 36H TEMPER_H EQU 35H TEMPER_d EQU 34H 。 MOV DPTR,1000H M_0:CLR A 。顯示子程序，將顯緩區(qū)數(shù)據(jù)查表后送顯 LCALL KEY 。 SJMP DD M_4:CJNE A,0BH,M_5 ACALL MKEY_2 。DOWN 翻 SJMP DD M_8:CJNE A,0FH,DD ACALL UP_1 。********************************* DOWN_1: JNB 04H,DOWN_1_5 42 MOV A,60H CJNE A,00H,DOWN_1_2 MOV 60H,09H DEC 61H MOV A,61H CJNE A,0FFH,DOWN_1_2 MOV 61H,09H SJMP DOWN_1_5 DOWN_1_2:DEC 60H DOWN_1_5:RET 。************************************* QIDONG: RET 。發(fā)送 MOV R6,2 。分開 TEMPER_NUM anl a,0f0h swap a mov bai_c,a mov a,TEMPER_NUM anl a,0fh ADD a,0AH mov sh_c,a mov g_c,TEMPER_d RET 。建立指針 DIS_1:MOV A,R1 。顯緩區(qū)初始化，顯示 START DIS_INITI:MOV R7,08H 。清片選信號 RET 。使 7279 片選有效 MOV R6,0CH 。**************************** UP_1: JNB 04H, UP_1_5 INC 60H MOV A,60H CJNE A,0AH, UP_1_5 MOV 60H,00H INC 61H MOV A,61H CJNE A,0AH,UP_1_5 MOV 61H,00H UP_1_5:RET 。********************************************** SKEY:JNB 05H,S_2 JNB 01H,S_2 MOV R0,28H CJNE R0,41H,S_0 INC 28H S_0:CJNE R0,44H,S_4 INC 28H S_4:MOV R0,A S_3:INC 28H MOV A,28H CJNE A,48H,S_1 S_1:JC S_2 MOV 28H,40H S_2:RET 。結(jié)束 SJMP DD M_6:CJNE A,0DH,M_7 ACALL QIDONG 。判斷是否有鍵按下 SJMP DD M_1:CJNE A,0AH,M_2 M_2:JNC M_3 ACALL SKEY 。修改指針 DJNZ R7,M_0 MOV 60H,05H MOV 61H,02H LCALL DIS_INITI LCALL DIR MOV R5,7 ZYXS: LCALL DEL LCALL ZYZL DJNZ R5,ZYXS SETB TR0 DD: JB , DD_3 CLR SJMP DD_4 DD_3:SETB 39 DD_4: LCALL INIT_1820 。循環(huán)次數(shù) MOV R0,20H 。 1415 [11]. He S Z． Fuzzy Selftuning of PID Controller. Fuzzy and System， 1993(1) 34 致 謝 感謝 。 2833 [8].張西 . 基于 MCS51單片機的測溫系統(tǒng) [J].電子工程師 。它市場前景廣闊、技術(shù)先進、價格合理