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[电源产品] 關于battery charger申請UL 60950-1問題

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楼主
发表于 2008-4-11 21:08 | 只看该作者 回帖奖励 |倒序浏览 |阅读模式
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現有一款battery charger在申請UL 60950-1時, UL說根據Practical Application Guidelines for
# N% z. n, n* C' l0 sInformation Technology Equipment –Safety – Part-1: General RequirementsPAG 60950-1, First Edition, 如下:0 D% s9 _1 u; B6 \& P
/ [0 k3 N3 J1 u5 o/ |. X7 c$ _5 \
1 n8 u% o5 h' I
4.3.8-3 Performance requirements for battery chargers with battery packs5 F& B8 m- c' H6 f$ Z5 z% r6 T
STANDARD IEC/UL 60950-12 E3 Q. T, n6 {4 Q
APPLICABILITY UL(C-UL) and IEC  t8 h: r2 r: ~2 w$ U% g7 }
(Sub)CLAUSE/ANNEX NUMBER: 4.3.82 D# H6 y) [3 L5 _0 ~7 M
(Sub)CLAUSE/ANNEX HEADING: Batteries
9 Y' j* r5 ^3 i" z! F/ S+ pOTHER RELEVANT (Sub)CLAUSES/ANNEXES (as
: H. P* l0 q5 j; L  W# ?' B  rApplicable):' K; {5 @( T; V2 y3 d* _4 u
1.7.2, 4.5, 5.3+ z. J5 ?+ e' q  I
DESCRIPTION OF ISSUE:0 X4 h: r0 }2 o
Type of Issue: Technical/Certification0 H  i. o* ~  }$ q5 N% y' }! l5 G
What are the construction and performance requirements for battery chargers (with battery
9 `  E. u8 D# V9 kpacks) when the battery charger is evaluated under the Standard as part of either an end: k- }3 ^4 S, p, P- p
product investigation or part of an Accessory Listing investigation?
! J. F  O5 u8 r: f: Y9 dAPPLICATION GUIDELINE:
& X  h5 ~) m+ w' IThe following are general construction and performance guidelines.3 Y6 P; o0 w0 M6 r
Construction: The following considerations should be given to battery chargers (and packs); r: P# ^5 B+ \; q. @' A0 h, J
during the construction evaluation.( H$ d& |1 n+ \, W5 p0 O
a. A marking should be provided on the battery charger indicating the specific model
0 g% n4 w) q! K( |! U1 sof ITE for which the battery charger is to be used;* ?* S+ T- `: v# K$ I
b. The charger should be marked to indicate the battery pack (mfg./type/rating) for! X1 D0 a: c  P! L+ N* O* B" _
which the battery charger is to be used;

4 d6 Q7 E2 U. w7 D3 ?c. The battery charger and battery pack constructions should be controlled in the UL) }6 \( n6 h' ^4 B+ Q+ E
Follow-up Procedure.- z0 S' F- w: N5 D4 y' g1 X
Performance: The following considerations should be given to the performance test program
3 e$ @9 l, \1 n! O- {( Iestablished for battery chargers:1 S9 r9 h" s! P9 R. h
186 PAG 60950-1 OCTOBER 1, 2004
% o" c* l1 z% R' ?- E7 A/ m$ Ia. For external stand-alone battery chargers that have the capability of supplying ITE
  R$ j3 V" F- l7 Owith power, a Heating Test (sub-clause 4.5) should be conducted with the battery
1 a1 O% u- a* y7 [( Lcharger supplying the ITE load. Discharged battery packs should be replaced with fully
" q/ w* X+ @3 p9 n2 e6 Vcharged battery packs until thermal equilibrium is achieved;
7 m' Z% X+ o0 M, E# Tb. For all battery charger circuits, a Heating Test (sub-clause 4.5) should be
$ D* F4 a# y9 N$ [conducted with the battery charger charging battery packs that have been fully
: \, Q) ~, {+ M6 Idischarged;
3 ]' @9 j8 m% x) zc. If the battery charging circuit is supplied by a transformer, a Transformer Overload) u) e4 L; F% H0 `, W
(C1) Test should be conducted on the transformer that supplies the charging circuit.# w7 d; y. n) Q( c' N
d. An Abnormal Operation Test program (per Sub-clauses 4.3.8 and 5.3.6) should be6 o1 i1 m8 }6 A+ }
designed anticipating possible foreseeable fault conditions, including a short circuit of
; ~8 ^+ l5 a# T6 w- Gthe battery charger output (if user accessible) and reverse polarity testing of the6 v4 P) i1 J9 H- ~8 h
charger input (if the battery charger input connector is not polarized).
6 o, S, C8 g2 ?5 o& j/ @+ t0 B* u3 yRATIONALE:8 e. t+ k+ E' t# ?' [+ \9 B
Battery chargers evaluated under this Standard introduce some unique considerations into
8 [& f4 w3 c! cequipment evaluations. Battery chargers are typically designed for specific size (power) battery  F0 `+ d) [! r9 J/ ?- T
packs and use of battery packs other than that specified by the manufacturer could create a6 W( u( n. O1 r3 s) {& B
hazard. Therefore, it is prudent to require correlation marking between charger unit and battery
+ p9 \+ h, m* ppack.
+ ~+ f% w  g' t" _4 FBattery charger circuits typically are supplied power by a transformer. During the charging cycle,$ M7 {3 O$ g0 ~( d5 r
the transformer may be subjected to a different set of thermal conditions than experienced
$ N/ o1 _0 Y+ o; p6 {during other normal load testing, and it is more likely that a transformer supplying the charger" s3 O& I: v4 V( l. M3 X( p* X& n
circuit will be subjected to an overload condition. Therefore, requiring a transformer overload
8 u% j8 K& N" v9 [/ V: ~/ xtest./ i0 H0 h* n" s
OTHER:2 l# T" [6 v: D$ S3 u
Comments:
9 ~( E5 U& V& n7 F' y2 JInterpretation Systems: NONE8 k6 e; q9 @4 u4 H9 u# b! R
$ p, G$ ^9 j3 K/ c/ e% Q. N3 G6 Y
需要管控電池, 且需要指定電池的型號及廠家, 還有在Heating Test及Input Test需要用到電池, 但我的battery charger并不打算連同電池一起銷售呀, 且也目前沒有跟此battery charger搭配的電池.
$ h; P( |3 v% T1 m% V1 g請問這樣合理嗎?請大家討論下.
沙发
发表于 2008-4-12 09:47 | 只看该作者
解決方案一. 你在申請ul60950時壓根就不要提功能是Battery Charger,申請Power Sullply就好了,因為在申請Power Sullply和Battery Charger雖然用同一個標準來評估,但是針對不同用法要求是不一樣的;
. f& l$ a1 J* ^4 b解決方案二. 如果你一定要以Battery Charger來申請,那是一定要管控電池型號規格的了,同時輸出端需加极性保護,好像可以不控制廠家的,這點你可以和認證公司溝通一下應為可行的.
板凳
发表于 2008-4-12 21:38 | 只看该作者

Re:关于battery charger申请UL 60950-1问题

一般来说Battery Charger是以申请UL1310 or UL1012为主,但若一定要申请UL 60950-1,则会依照PAG的要求,是必须控制锂电池的厂家型号,其他类的充电电池会控制规格,并且需搭配电池做测试
地板
 楼主| 发表于 2008-4-21 10:07 | 只看该作者
經跟UL工程師討論, 最終需要在Label及使用手冊中管控電池的廠家及型號, 但電池必須是UL 2054的Listing的電池.
5#
发表于 2008-4-21 13:54 | 只看该作者
充电器嘛,在使用说明书或铭牌中当然要写明适用的电池信息啦,电池型号那么多,消费者不知道,那就要写明是什么厂家生产的什么型号的电池了。这样防止用户随便给不适用电池充电带来危险。
6#
 楼主| 发表于 2008-6-3 23:56 | 只看该作者
我覺得這個問題有爭議, 因為我們再做ATX Power時也不會去考量它最終會用在何種環境下,如果到時發生了問題這樣的責任也很難劃分是ATX Power的問題還是其它PC里面的零件問題.那么這個也跟battery charger不搭配電池銷售一樣.
7#
发表于 2008-6-4 22:39 | 只看该作者

Re:关于battery charger申请UL 60950-1问题

ATX Power是属于半成品类,最终还是要与系统再做评估,与充电器的状况是不一样的
8#
 楼主| 发表于 2008-6-6 08:57 | 只看该作者
那我們的筆記本用的Adapter也可以給電池充電, 但我們也不會去評估這顆Adapter是否會搭配何種電池.
9#
发表于 2008-6-7 16:19 | 只看该作者
引用第7楼prince于2008-06-06 08:57发表的  :
3 V' E9 ^! N, D5 O2 T那我們的筆記本用的Adapter也可以給電池充電, 但我們也不會去評估這顆Adapter是否會搭配何種電池.

+ }$ l# m$ U+ P  P8 `( `$ o这也许是应为充放电的管理电路在笔记本上,而不在Adapter上!
10#
发表于 2008-6-24 14:43 | 只看该作者
但是给笔记本或手机申请时那个电源并没有写明是充电器,而是写电源适配器。
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