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这是我上次做的一个LED球泡灯的UL目击测试温点。$ \* b2 h R! r8 E. m
Lamp base center, inside(represent for lamp base enclosure temperature)9 L# g6 V% Z3 [- s
Lamp base holder, near to transformer
' b; g# k1 z& \4 o/ g5 fT1
% V7 p$ Y7 O) _. I$ zInsulation sheet, at bottom side of heat sink, near the bottom of LED package ) ^7 u5 X5 W4 i% s) z- Y& ?
Top Cover, near the heat sink
( }6 K' x, F# `. k1 i7 \3 I! @ Z( @Glue of the between the Top Cover and Front Ring Cover 7 u3 q' ~, U! w" S9 f, f5 J
Heat Sink, outside, contact surface$ `4 {: z/ Q" B2 `
Potting Compound
+ o; s( Y0 |' I$ N# G/ S8 H# `# VLED driver :
, h* h- L# `/ W- tBobbin of Transformer (T1)
# k% `" Y# b) }/ b( BCoil of Transformer (T1)5 a# r: A, y+ g1 R3 y
Multi-layer insulated wire ( z$ q7 w* r; \0 W* F" g
Coil of Inductor (L1)
; p6 E$ I% r6 Q& t2 RBody of Inductor (L1), near Q1
+ m5 \ ~! F3 E+ H6 vFuse F1 ' {5 S+ n. }0 q9 n. S; V g, `. J
C1 body% G* E1 [1 C% p. ?% b6 g e
C2 body, near Q1+ V$ a6 j+ v9 g$ n! Y, ]
CY1 body0 ]& S" U4 d" P0 z+ t
Varistor (MOV)+ v/ E& S" B8 H: W# U! D+ m+ T; ]9 n3 f
Output Lead of LED Driver, near the LED package
0 C; V& L* S0 u$ o9 JPWB, top layer, near T1 & q" T* g5 Z+ L8 c* ^
PWB, bottom layer, near T1 % L" j0 l( r. U2 }) p
PWB, top layer, near Q1( `: d8 U, Q) x' \5 E9 R
LED board:$ j7 W9 u% r3 k+ z/ Y/ }
PWB, near LED package
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