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各位达人:
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3 q9 C( F& Q! S3.3.2 *******For socket-outlets intended to accommodate plugs with flat pins, contact shall be made with both sides of each pin, except that it shall be permissible to use spring-assisted single-sided contacts. These contacts shall not rely exclusively on the resilience of the contact material2 g8 Q( a2 w$ U+ S
and shall have an opposite face of material other than thermoplastic or resilient insulating; \$ S8 G3 f- Z
material.
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. U/ h( b" v& O( P* |; d我的理解,打算插合扁插销插头的插座,应与插销双边接触,但允许弹簧辅助的单边插套。后面These contacts shall not rely exclusively on the resilience of the contact material
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material. 怎么理解的?these contact 是指所有插套,还是单边插套?不能仅仅依靠插套材料???; _6 ]4 t) x5 g: r/ P
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In socket-outlets designed for use with plugs complying with Figure 2.1, the contacts shall4 `* ], e1 l% B- h3 v, `( ^7 \
be self-adjusting in pitch and contact-making& |* K) J+ _8 p) x, N N% r% j
pitch是什么意思?
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( Y9 R. C. K6 }! a3.3.3 Within the socket-outlet, there shall be provision for effective guidance of the* h0 Z1 q% i* E$ O: d2 Y
corresponding plug pins to ensure direct entry and withdrawal without critical distortion of" _- i/ V) U" q! M- q; z% y3 n
the socket-outlet contacts.: j7 x, N# m0 J( ?1 X' T
这个条款是在讲插孔的前导孔吗?
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另外,象3.1.1和3.3.1对端子和插套材料只给出了一句笼统的概括,实际检测和生产中,一般使用哪些材料算合格?是参考插头部分对端子和插销材料的规定吗? |
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