Database error: Invalid SQL: select id,title from pwn_News_con where catid=(select catid from pwn_News_con where id=392) and uptime>(select uptime from pwn_News_con where id=392) order by uptime asc limit 1
MySQL Error: 1146 (Table 'cnhuolien.pwn_News_con' doesn't exist)
#0 dbbase_sql->halt(Invalid SQL: select id,title from pwn_News_con where catid=(select catid from pwn_News_con where id=392) and uptime>(select uptime from pwn_News_con where id=392) order by uptime asc limit 1) called at [/www/wwwroot/cnhuoli/includes/db.inc.php:65] #1 dbbase_sql->query(select id,title from {P}_News_con where catid=(select catid from {P}_News_con where id=392) and uptime>(select uptime from {P}_News_con where id=392) order by uptime asc limit 1) called at [/www/wwwroot/cnhuoli/news/module/NewsPage.php:33] #2 NewsPage() called at [/www/wwwroot/cnhuoli/includes/common.inc.php:526] #3 PrintPage() called at [/www/wwwroot/cnhuoli/news/html/index.php:15] Database error: Invalid SQL: select id,title from pwn_News_con where catid=(select catid from pwn_News_con where id=392) and uptime<(select uptime from pwn_News_con where id=392) order by uptime desc limit 1
MySQL Error: 1146 (Table 'cnhuolien.pwn_News_con' doesn't exist)
#0 dbbase_sql->halt(Invalid SQL: select id,title from pwn_News_con where catid=(select catid from pwn_News_con where id=392) and uptime<(select uptime from pwn_News_con where id=392) order by uptime desc limit 1) called at [/www/wwwroot/cnhuoli/includes/db.inc.php:65] #1 dbbase_sql->query(select id,title from {P}_News_con where catid=(select catid from {P}_News_con where id=392) and uptime<(select uptime from {P}_News_con where id=392) order by uptime desc limit 1) called at [/www/wwwroot/cnhuoli/news/module/NewsPage.php:46] #2 NewsPage() called at [/www/wwwroot/cnhuoli/includes/common.inc.php:526] #3 PrintPage() called at [/www/wwwroot/cnhuoli/news/html/index.php:15] 乐清市活力汽车电气有限公司-乐清汽车组合开关:电路图怎么看?怎样看轿车电路图_轿车电路原理图的识读办法
图片
顶部菜单
新闻详情
乐清汽车组合开关:电路图怎么看?怎样看轿车电路图_轿车电路原理图的识读办法
作者:管理员    发布于:2015-10-30 13:56:09    文字:【】【】【

    乐清汽车组合开关,因为各国轿车电路图的制作办法、符号标示、文字标示、技术标准的不一样.各轿车生产厂家,轿车电路图的画法有很大区别。乃至同一国家不一样公司轿车电路图的表明办法也存在较大的区别,这就给读图带来许多费事,因此。把握轿车电路图识读的根本办法显得十分重要。
  一、了解轿车电路图的通常规则
  1 .电源部分到各电器熔断器或开关的导线是电器设备的公共前方。在电路原理图中通常画在电路图的上部。
  2 .标准画法的电路图,开关的触点坐落零位或静态。即开关处于断开状况或继电器线圈处于不通电状况,晶体管、晶闸管等具有开关特性的元件的导通与截止视具体情况而定。
  3 .轿车电路的特色是双电源、单线制,各电器相互并联,继电器和开关串联在电路中。
  4 .大多数用电设备都通过熔断器,受熔断器的保护。
  5 .整车电路按功能及作业原理划分红若干独立的电路系统。这样可解决整车电路巨大杂乱,剖析艰难的问题。如今轿车整车电路通常都按各个电路系统来制作,如电源系、启动系、点火系、照明系、信号系等,这些单元电路都有着本身的特色,捉住特色把各个单元电路的结构、原理吃透,理解整车电路也就简单了。
  二、仔细阅览圈注
  仔细阅览图注,了解电路图的名称、技术规范,清晰图形符号的意义,树立元器件和图形符号间一一对应的关系,这样才能疾速精确地识图。

版权所有 Copyright(C)2015-2016 乐清市活力汽车电气有限公司 技术支持:浙江七米