關于battery charger申請UL 60950-1問題

prince

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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
Information Technology Equipment –Safety – Part-1: General RequirementsPAG 60950-1, First Edition, 如下:
- ]1 F$ o% n7 @5 u

% x5 X9 D+ |& y# a' Y) N0 f0 g8 U4.3.8-3 Performance requirements for battery chargers with battery packs
STANDARD IEC/UL 60950-1
: y5 c2 T; q' O; _APPLICABILITY UL(C-UL) and IEC
(Sub)CLAUSE/ANNEX NUMBER: 4.3.8
; w/ f5 T& l* G  W. {# g5 V(Sub)CLAUSE/ANNEX HEADING: Batteries
( D3 {9 V% X" P% d! b3 rOTHER RELEVANT (Sub)CLAUSES/ANNEXES (as
Applicable):
/ z) Q" e5 x- V/ D1.7.2, 4.5, 5.3
DESCRIPTION OF ISSUE:
Type of Issue: Technical/Certification
- p7 T6 s0 u& @2 E1 OWhat are the construction and performance requirements for battery chargers (with battery
; w6 ?) ]# U4 z' C1 Cpacks) when the battery charger is evaluated under the Standard as part of either an end
product investigation or part of an Accessory Listing investigation?
2 d* ?% R- [- C# CAPPLICATION GUIDELINE:
5 y1 [) `3 T" {" [6 d* l: TThe following are general construction and performance guidelines.
Construction: The following considerations should be given to battery chargers (and packs)
( j& R/ t& W+ F. I' l' Tduring the construction evaluation.
a. A marking should be provided on the battery charger indicating the specific model
, D4 u# ?6 j( v( @& j; aof ITE for which the battery charger is to be used;
b. The charger should be marked to indicate the battery pack (mfg./type/rating) for
which the battery charger is to be used;
) V  ~/ n" W. }c. The battery charger and battery pack constructions should be controlled in the UL
. l9 R* U. i- ]4 n8 AFollow-up Procedure.
7 j6 S- L* L% I; s' K$ U' C0 D/ ZPerformance: The following considerations should be given to the performance test program
& j. v- }# y9 \; ^3 H3 A2 jestablished for battery chargers:
186 PAG 60950-1 OCTOBER 1, 2004
7 g4 K& m; k  u5 ^+ [a. For external stand-alone battery chargers that have the capability of supplying ITE
with power, a Heating Test (sub-clause 4.5) should be conducted with the battery
4 [* z$ Q4 C2 m0 L0 G% Ucharger supplying the ITE load. Discharged battery packs should be replaced with fully
charged battery packs until thermal equilibrium is achieved;
' s6 i7 k3 I  ?. [  p3 Jb. For all battery charger circuits, a Heating Test (sub-clause 4.5) should be
; Y8 h3 D% Y. I8 v. i# Vconducted with the battery charger charging battery packs that have been fully
; T& I9 _6 ?9 Rdischarged;
$ K; R. {' ^, B! o, e/ qc. If the battery charging circuit is supplied by a transformer, a Transformer Overload
# O8 }8 W( `* F(C1) Test should be conducted on the transformer that supplies the charging circuit.
d. An Abnormal Operation Test program (per Sub-clauses 4.3.8 and 5.3.6) should be
9 ~( l9 s) m. h# G; i" kdesigned anticipating possible foreseeable fault conditions, including a short circuit of
( g6 P& f" r1 w: w  xthe battery charger output (if user accessible) and reverse polarity testing of the
charger input (if the battery charger input connector is not polarized).
0 a1 w- D3 _5 Y  kRATIONALE:
* e$ h5 ]- f' ?% lBattery chargers evaluated under this Standard introduce some unique considerations into
# W( w' F. X" s+ v: G, Oequipment evaluations. Battery chargers are typically designed for specific size (power) battery
' I( b) O2 b- z( E" j% w; o  Jpacks and use of battery packs other than that specified by the manufacturer could create a
hazard. Therefore, it is prudent to require correlation marking between charger unit and battery
3 T* ?4 _" Z8 i+ n5 @+ ppack.
% ^2 j( O9 E% ^4 d; uBattery charger circuits typically are supplied power by a transformer. During the charging cycle,
2 ^6 g4 U! X7 r" s7 fthe transformer may be subjected to a different set of thermal conditions than experienced
/ c3 B( l) Q  gduring other normal load testing, and it is more likely that a transformer supplying the charger
8 m* `. S! T. h3 T. ^, V/ Qcircuit will be subjected to an overload condition. Therefore, requiring a transformer overload
: L1 x3 B( I0 F5 A* E0 v0 Jtest.
OTHER:
Comments:
Interpretation Systems: NONE

: i2 b$ |1 q2 O6 v; J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.
+ C  j9 c7 [; f5 v1 N3 B& V請問這樣合理嗎?請大家討論下.

rick.xiao

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;
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.

jackie

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

prince

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.

yishenger

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。

prince

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.

jackie

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

prince

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.

kevin1946

引用第7楼prince于2008-06-06 08:57发表的  :
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.

这也许是应为充放电的管理电路在笔记本上,而不在Adapter上!

fd_fang

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。