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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。3 A, C$ V$ u: l- D( |( s: T& _! B
Lamp base center, inside(represent for lamp base enclosure temperature)
! M' u: U2 E1 m- K# q. l) g% s, fLamp base holder, near to transformer 8 c9 C; U6 @* r; Y$ L: \0 u
T1
9 u3 g- k6 C/ R. }( AInsulation sheet, at bottom side of heat sink, near the bottom of LED package
7 H. \- ?) u. u& cTop Cover, near the heat sink2 I- A8 Z0 H3 F; {3 v3 |9 e
Glue of the between the Top Cover and Front Ring Cover
/ z' b" T% N/ E# ^9 t( I! T# LHeat Sink, outside, contact surface# v# a9 {6 ~& S/ o
Potting Compound5 }7 o! U7 q4 E
LED driver :
$ K" d" k; S; E! \0 W# SBobbin of Transformer (T1)8 c5 Y# N; N, x0 [# S* j' k r
Coil of Transformer (T1)
' x8 P+ u1 t+ f" u* HMulti-layer insulated wire
# ~! q/ ?5 E. m8 |, |: f& r- @# m7 UCoil of Inductor (L1)2 w7 ~, h) r2 Y( N/ g
Body of Inductor (L1), near Q1 d# A" @# Q2 @' E+ d% g P3 n
Fuse F1
4 I+ z* \5 f/ ~1 Q3 J2 n& k# gC1 body
/ G) I o' j1 Y& |# m2 O& ]C2 body, near Q1
; O1 y; |5 J! ~! E% @CY1 body
; {* N' L; \1 |* ^1 M8 \* BVaristor (MOV)$ n# J7 ~4 O0 L6 ~
Output Lead of LED Driver, near the LED package2 K' Y( V, }! y1 s% x
PWB, top layer, near T1 $ v0 r! s0 _* _% @
PWB, bottom layer, near T1 , x' O0 R- q( Z' e, D' B
PWB, top layer, near Q1" `$ y( l1 f$ q; t3 A
LED board:9 u' U% Q) a; k i4 U% V
PWB, near LED package
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