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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。
( l1 I! L$ _1 KLamp base center, inside(represent for lamp base enclosure temperature) F1 H7 X7 r* v, }% N" X
Lamp base holder, near to transformer
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Insulation sheet, at bottom side of heat sink, near the bottom of LED package 1 _5 R4 E, H! n" r3 `: X9 W
Top Cover, near the heat sink
3 n8 \' j) w. x2 u% u4 A; tGlue of the between the Top Cover and Front Ring Cover $ w6 k- k1 `8 m9 P& K
Heat Sink, outside, contact surface
9 `$ S6 H- J/ xPotting Compound" ]7 O2 Z% x2 Z4 Z& R5 V
LED driver :
2 S F; r( z9 i# v5 l$ q4 Y2 E9 gBobbin of Transformer (T1)' Q3 S+ _. P3 p% q
Coil of Transformer (T1)/ U8 d7 g" C8 H0 K2 y( N; g1 B* y# d
Multi-layer insulated wire
8 ^' B, c. q7 J" K% mCoil of Inductor (L1)
& ] z; j6 E4 V: x/ YBody of Inductor (L1), near Q13 j- v% u! P) U- z6 k- r6 b: h
Fuse F1 3 x3 `' n' [# P! f# Z
C1 body
3 N7 b; o# [1 I5 f, K4 c5 iC2 body, near Q15 n- b4 p* R- Z/ Q4 k2 q
CY1 body5 k, S# Y9 r$ ?8 F
Varistor (MOV)$ V1 a7 |* z: s2 W- m
Output Lead of LED Driver, near the LED package2 |' d. g% Y! ]5 {5 u3 v
PWB, top layer, near T1 / [- v. B2 j' W0 H
PWB, bottom layer, near T1
7 }. h/ T3 a# ?8 n( DPWB, top layer, near Q1- r" O3 g. d$ i& u* U
LED board:
' D- [+ r2 }4 X+ |' v2 ?PWB, near LED package
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