基于单片机控制的智能开关的设计与实现-贺登天

23620076GansuScienceandTechnologyVol.23No.6Jun.2007贺登天,甘重斗,夏春水(,730000):文章根据开关控制的要求,提出了基于单片机控制的智能开关的总体设计思路,并以单片机交流互感器和固态继电路为主要器件,从硬件电路和软件两方面实现了对电路的设计经过实际测试,电路达到了最初的设计要求:智能开关;单片机;电流互感器;固态继电器;控制:TP319,(),,(),,11.1:(1):,,,,(),(2):,,,,(3):,,(4):,1.2,,,,1,2:(1);(2),;(3),LPC935,LPC933/934/935/936,2A/D,,,,2.12LPC935+3.2V,,~220V,+3.2V,AC-DCAC220S05DC)6W,+5V,6W,DC/DC+3.2V,AC220S05DC-6W,85VAC~265VAC,,,,LM317LDC/DC,RV2,+3.2V,12.2(I/V),,3,ZMCT301A5000:1,[0.13ms,0A~100A,0mA~20mA,,1A~15A,0.2mA~3mA,2,A/D,RV1R3C2/(I/V)RV1,,RV1,(/in0)RV1,,()5A,RV11.8K8,,,43,1.5A~7.5A,A/D1.4V~2.6V,P89LPC935A/D0VVIN3V,,1A,0.2V,K:K=1000mA/200mV=5mA/mV(1),(),RV1,,A/DC1,D2D3,,,A/DR3C2,I/V2.3A/D4I/V,A/D,,44223P89LPC935P89LPC935/936284,0V~3.2V,K1:K1=3.2V-0V)/28U0.012V/bit=12mV/bit(2)(1),K2:K2=K*K1=5mA/mV*12mV/bit=60mA/bit(3)(3),60mA,,,,,A/D5A,:5A=D*K2D=5000/60U83(D)=53(H)5A53H?10%,5BH4BH,,,,VR1,,,,,P89LPC93526(P0.1/ADC10),A/D2.4LPC933/934/935/936,24,680C5128,A/D,89C5X,(5)2.5/513(P2.2),,13,,;5,13,,:(1)(SSR),Q1,D1R1R2,:a,;b,106,104~105c,3~32VDC()8mA4~8VDC(),,,6/SSR)H380D15,,,,:3~32VDC()8mA;:24~240VAC,0A~16ASSRC882,SSR,(2)(normal,)(fault,436:)(repair,),,,(),,13,,(3)/,,,,,,,//switch,,,,5A(53H),7.5A(7DH),2.5A(29H),,/0,(repair),,,(),,3,:MAX,MIN,max,min:(1);,,8,(2),,;(3);(4),,1.2,1.2/0474.1,(1):,,,(),(),(),,,10,,,3,,(2):,,,,,;,,,,,(3),,,,(4),,(下转第13页)4423,35.35,,,,,,,:(1),,(2),,,,,(3),,,(4),,(5),(6),,,,,,,(7),,,,,,,;,,,,,:[1].[M].:,2001[2].2004(上接第44页)4.2,(1),,,,(2),,,,(LS),(ms)(3),,(4),,,,,,,,,,;,;,,,(),,,,,:[1]..,20016[2]..,19925136: