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"配套的变压器防护等级是IP44,所以整灯防护等级只能是IP44" 请问变压器是外置的吧, 若是则这个判定是正确的. 因为在EN60598-1中有以下说明.& y+ L3 e3 ?8 m; ^' }9 `1 t% F; a
9.2 Tests for ingress of dust, solid objects and moisture
3 f$ X$ W; V" U- fThe enclosure of a luminaire shall provide the degree of protection against ingress of dust,
& ~3 q: k0 X. {solid objects and moisture in accordance with the classification of the luminaire and the IP4 ]8 |6 g: | y: L5 ], J
number marked on the luminaire.
5 z- A' ?; |' d/ v3 m# ZNOTE The tests for the ingress of dust, solid objects and moisture specified in this standard are not all identical to
5 Q7 `5 B* k4 K$ f+ Q! X( z( a9 V# B* @the tests in IEC 60529 because of the technical characteristics of luminaires. An explanation of the IP numbering! X7 x7 U+ b# v) U
system is given in Annex J.
* b2 k0 C O7 ]- S* k6 ?. \8 XCompliance is checked by the appropriate tests specified in 9.2.0 to 9.2.9, and for other IP
" O2 E: S+ k6 d/ e0 o- j j7 \- H5 oratings by the appropriate tests specified in IEC 60529.
8 d* D8 T6 Z$ A/ [* \6 L3 ~Before the tests for second characteristic numeral, with the exception of IPX8, the luminaire
! L7 s2 `% b7 ^" X+ w& Ncomplete with lamp(s) shall be switched on and brought to a stable operating temperature at( B9 z$ r9 ]4 ?. k! e! V3 S- t% X
rated voltage.
! p3 a* G) R7 Y6 A1 C! rThe water for the tests shall be at a temperature of 15 °C ± 10 °C.
4 O. f$ l. d( l5 z) eLuminaires shall be mounted and wired as in normal use and placed in the most unfavourable
- Y* R8 L3 H" Q& }position, complete with their protective translucent covers, if any, for the tests of 9.2.0 to 9.2.9.9 l% \+ `8 Q' p# r2 T
Where connection is made by a plug or a similar device then this shall be regarded as part of' p* r, i3 H( {" @% O
the complete luminaire and shall be included in the tests and similarly for any separate
& m: {5 s8 w5 Z9 t( u' ccontrolgear.! C; |4 X X" p- s) y: T( G- t
上文大意是若用插头,电线之类连接电源, 则应在IP测试中一起测试,并有相应的IP等级.
8 E0 E2 Y0 ~2 y个人理解,若埋地灯整灯只有IP44的等级, 而灯部分能达到IP65,除非你在说明书中要求客户只能
$ _, E0 l6 o3 x# w% w, G6 X把变压器用在IP44的环境中,而你的客户也接受这种做法,否则应该是不行的. |
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