|
这是我上次做的一个LED球泡灯的UL目击测试温点。
m) @. y& B# A9 m/ C; p i5 e& zLamp base center, inside(represent for lamp base enclosure temperature)9 W' [% D6 S3 _, O/ U
Lamp base holder, near to transformer & d- L& P8 ~! z/ q3 v; D% q8 L: x
T1 7 n) y& U3 I6 G- {' R% r9 q
Insulation sheet, at bottom side of heat sink, near the bottom of LED package 3 Y3 A+ R* B! e" ? y
Top Cover, near the heat sink
7 P3 b, q% O6 @/ U; K- KGlue of the between the Top Cover and Front Ring Cover
) W% L# ^0 e& y! |) FHeat Sink, outside, contact surface
% y8 M# N, y, g5 N+ X! NPotting Compound& h; Y' z5 b4 W5 u. R7 j8 M- `
LED driver :
3 _ ?% a% k. R3 G ^: }4 WBobbin of Transformer (T1)0 @$ b' X, B0 N1 u7 P. Y
Coil of Transformer (T1)4 `# f% o) U- |) |; ]6 Q8 S( l
Multi-layer insulated wire . f* _$ w. w% N& P; b: Z
Coil of Inductor (L1)! g- ~9 Z _% [ N0 _. x
Body of Inductor (L1), near Q1/ l( }$ I Z8 o( W* T- H
Fuse F1
! p+ B& t% V eC1 body
/ u" H' n7 z( w' I. N0 I: NC2 body, near Q1
4 @1 C# k1 o# bCY1 body
9 d/ W( D1 { s2 @1 L' U5 ]Varistor (MOV)
' {8 T2 t- n5 j* i8 s8 q7 [Output Lead of LED Driver, near the LED package
P5 o- K/ _3 H, J" XPWB, top layer, near T1
" Z! ~( T+ ]+ ^# b8 P: t! rPWB, bottom layer, near T1
( q' M( A8 ^2 `, }; g( N' K, BPWB, top layer, near Q19 H" B/ u. h3 q: r6 f4 r
LED board:+ k6 E6 u9 T+ R! I2 u8 d
PWB, near LED package
9 o) y s* j/ E. l |
|