力传感器，由于压力是从单一方向受力的因此以选用单向侧路传感器，相应的细节在此不再赘述。由于本设计经费
li chuan gan qi you yu ya li shi cong dan yi fang xiang shou li de yin ci yi xuan yong dan xiang ce lu chuan gan qi xiang ying de xi jie zai ci bu zai zhui shu you yu ben she ji jing fei
控制继电器（晶闸管）并控制电机的工作。3.2.1信号测量部分：压力信号测量部分使用的是通用型压电式压
kong zhi ji dian qi jing zha guan bing kong zhi dian ji de gong zuo 3.2.1 xin hao ce liang bu fen ya li xin hao ce liang bu fen shi yong de shi tong yong xing ya dian shi ya
部分使用的是ptr2000与单片机串行口相连，接受和发送相应的信号，然后再对信号（abc）进行处理在
bu fen shi yong de shi ptr2000 yu dan pian ji chuan hang kou xiang lian jie shou he fa song xiang ying de xin hao ran hou zai dui xin hao abc jin hang chu li zai
大，然后在把信号传递给adc0809转换器将模拟信号变成数字信号传给单片机完成压力信号采集。无线识别
da ran hou zai ba xin hao chuan di gei adc0809 zhuan huan qi jiang mo ni xin hao bian cheng shu zi xin hao chuan gei dan pian ji wan cheng ya li xin hao cai ji wu xian shi bie
）控制电机正反转9.门自动开闭的实现3.2过程的实现：压力信号经过ad620放大器之后，电压信号被放
kong zhi dian ji zheng fan zhuan 9. men zi dong kai bi de shi xian 3.2 guo cheng de shi xian ya li xin hao jing guo ad620 fang da qi zhi hou dian ya xin hao bei fang
无线识别部分5.单片机及其外围电路6.单片机控制继电器（晶闸管）7.串行口信号处理8.继电器（晶闸管
wu xian shi bie bu fen 5. dan pian ji ji qi wai wei dian lu 6. dan pian ji kong zhi ji dian qi jing zha guan 7. chuan hang kou xin hao chu li 8. ji dian qi jing zha guan
号ljmpmain；返回3.1系统组成部分1.信号测量部分2.信号放大部分3.ad转换部分4.串行口
hao ljmpmain fan hui 3.1 xi tong zu cheng bu fen 1. xin hao ce liang bu fen 2. xin hao fang da bu fen 3.ad zhuan huan bu fen 4. chuan hang kou
lcallkaimen;调用开门信号lcalldelay；延时lcal致富经3158.cn办厂lguanmen；调用关门信
lcallkaimen; diao yong kai men xin hao lcalldelay yan shi lcal zhi fu jing 3158.cn ban chang lguanmen diao yong guan men xin
r ccjne r1,0afh, l3ljmp mainl3: jc,l4ljmpmainl4:
r ccjne r1,0afh, l3ljmp mainl3: jc,l4ljmpmainl4:
1fh, l1; 判断b的大小ljmp mainl1: jc, 致富经3158.cn办厂l2ljmp mainl2: cl
1fh, l1; pan duan b de da xiao ljmp mainl1: jc, zhi fu jing 3158.cn ban chang l2ljmp mainl2: cl
ov r2(c信号)： c信号给r2cjnea, defh; 判断a的大小clr ccjner1,
ov r2(c xin hao ) c xin hao gei r2cjnea, defh; pan duan a de da xiao clr ccjner1,
序（汇编）：mov a,subf ; a信号给acc mov r1(b信号)； b信号给r1 m
xu hui bian mov a,subf ; a xin hao gei acc mov r1(b xin hao ) b xin hao gei r1 m
本单位的车辆：a不产生信号;b产生信号；c不产生信致富经3158.cn办厂号此种信号是确认非本单位的车辆，门不开启。相应的程
ben dan wei de che liang a bu chan sheng xin hao ;b chan sheng xin hao c bu chan sheng xin zhi fu jing 3158.cn ban chang hao ci zhong xin hao shi que ren fei ben dan wei de che liang men bu kai qi xiang ying de cheng
a设定值（127）产生信号;b产生信号；c不产生信号。此种信号确认是本单位的车辆，然后门自动开启。非
a she ding zhi 127 chan sheng xin hao ;b chan sheng xin hao c bu chan sheng xin hao ci zhong xin hao que ren shi ben dan wei de che liang ran hou men zi dong kai qi fei
力信号b识别发射器cpu识别代致富经3158.cn办厂码压力信号c压力信号b识别发射器cpu图3.2车由外向里本单位的车辆：
li xin hao b shi bie fa she qi cpu shi bie dai zhi fu jing 3158.cn ban chang ma ya li xin hao c ya li xin hao b shi bie fa she qi cpu tu 3.2 che you wai xiang li ben dan wei de che liang
器。过程的实现通过图示，分以下几种情况考虑：车从门外向门里（门里向门外与此类似）识别代码压力信号c压
qi guo cheng de shi xian tong guo tu shi fen yi xia ji zhong qing kuang kao lv che cong men wai xiang men li men li xiang men wai yu ci lei si shi bie dai ma ya li xin hao c ya
传感器与其它硬件布置身份识别用的是ptr2000，无线接收发射器，压力判断使用的致富经3158.cn办厂是一般的压力信号感应
chuan gan qi yu qi ta ying jian bu zhi shen fen shi bie yong de shi ptr2000 wu xian jie shou fa she qi ya li pan duan shi yong de zhi fu jing 3158.cn ban chang shi yi ban de ya li xin hao gan ying
识别代码压力信号c压力信号b识别发射器cpu识别代码压力信号c压力信号b识别发射器cpu图3.1系统
shi bie dai ma ya li xin hao c ya li xin hao b shi bie fa she qi cpu shi bie dai ma ya li xin hao c ya li xin hao b shi bie fa she qi cpu tu 3.1 xi tong
下面是整个系统过致富经3158.cn办厂程的实现过程图与程序：(如果需要资料请加qq：370480194376590905)
xia mian shi zheng ge xi tong guo zhi fu jing 3158.cn ban chang cheng de shi xian guo cheng tu yu cheng xu ( ru guo xu yao zi liao qing jia qq 370480194376590905)
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