那里有适合PCB板中电气间隙和爬电距离的标准规范
答案:2 悬赏:50
解决时间 2021-02-12 01:44
- 提问者网友：喵星人荷西
- 2021-02-11 18:21
那里有适合PCB板中电气间隙和爬电距离的标准规范
最佳答案
- 二级知识专家网友：晚安听书人
- 2021-02-11 18:27
GB 4706.1-2005
全部回答
- 1楼网友：丢不掉的轻狂
- 2021-02-11 19:12
1 creepage distance 沿面距离/爬电距离（cr）
the shortest path between two conductive parts, or between a conductive part and the outer surface of electrical enclosure of the equipment, measured along the surface of the insulation. all conductive parts are considered in evaluating creepage distance, including the pads around soldered connections. （沿面测得两个导电组件之间或是导电组件与物体界面之间的最短距离）
2 clearance distance 空间距离/电气间隙（cl）
the shortest distance between two conductive parts, or between a conductive part and the outer surface of electrical enclosure of the equipment, measured through air. components are mounted on the pwb must also be considered in the evaluation of clearance.（在两个导电组件之间或是导电组件与物体界面之间经由空气分离测得最短直线距离）
pcb 为什么要开槽：
开槽是为了增大爬电距离
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