5 f8 w* S# O$ c3 k, Y0 ?8 B如图；右边的光源模组靠左右各一片弹片提供接地连续性（接地电阻合格），这种结构符合要求么（可靠的连接）？ ( T4 [7 O1 n' t1 y & i" Z- s; Y* s4 w3 U$ N$ Q[attach]110585[/attach] . l& O/ l. W! ~作者: fasten 时间: 2017-1-11 16:49
显然不行： ; W% d! K! c6 P9 x }! T& n$ E* k( {7 c0 [8 n( Z
7.2.4 Earthing terminals shall comply with the requirements of 4.7.3. The connection shall be6 H, b" Q0 I5 G' v
adequately locked against accidental loosening.) n" P3 K8 g# i/ A% J# k* r
For screw terminals, it shall not be possible to loosen the clamping means by hand.5 ~; W3 F5 T4 `$ o6 l' u
For screwless terminals, it shall not be possible to loosen the clamping means unintentionally.4 y- B% \3 f& x# w) M
Compliance is checked by inspection, by manual test and by the tests specified in 4.7.3. C0 r1 T! W: k' S2 D9 W! S1 G# }' p1 s
NOTE In general, the designs commonly used for current-carrying terminals provide sufficient resilience to comply ( |; `8 g6 ^" @7 Y6 f" l: Swith this requirement; for other designs, special provisions, such as the use of an adequately resilient part which is# {: Q) n. `- y+ u1 n
not likely to be removed inadvertently, may be necessary. - J+ ]9 m v P9 Z6 E5 |For terminal blocks with integrated screwless earthing contacts, the additional tests of Annex V % a3 k+ |: u: z9 g5 V- ~6 R6 Capply.作者: martin_cheng 时间: 2017-1-11 16:56
好刁钻的例子，我也想看看大虾们的意见。作者: Nezof 时间: 2017-1-11 17:15
弹片只是一个临时就位作用，旁边还得有螺丝固定连接来保持连续的可靠性作者: lucyyff 时间: 2017-1-11 17:17
可以参考下决议DSH 892作者: 305634483 时间: 2017-1-12 09:57
要考虑到可靠性啊,肯定不行作者: 88169103 时间: 2017-1-14 15:44
这种接地肯定是不行的，不可靠作者: jhet1888 时间: 2017-1-19 08:39
接地是要完全固定，如更换零件时，接地也不可失效。作者: bub02 时间: 2017-3-4 13:11
肯定不符合要求，随时存在变形作者: wanaut 时间: 2017-3-5 10:18
可靠固定连接、防锈防腐蚀、连接电阻，几个要求缺一不可作者: ryan2014 时间: 2017-3-5 11:24
这种不行的作者: datou0779 时间: 2019-7-14 23:32
学习 正在了解接地连续性和可靠性