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| PDSH 984# p- D# ^1 Z2 }
3 j/ O% v9 d- k0 Q | Temperature measurement on the battery
3 y3 X$ r% ~$ U! M- i8 G; x | A.4.2a) – A.5.2a)
% B% j2 o( B6 h) |7 @- ]% o | 60598-2-22(ed.3);am1;am2, O2 R8 l6 L2 [5 G: D/ h( p) F, ~
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Standard(s):; f, ?( q3 f5 F& R
IEC 60598-2-22/1997 A1/2002 A2/2008
4 h0 t5 }' [* f2 G/ Y) jSubclause(s): A.4.2a) – A.5.2a)8 }+ ?/ a* h# f8 C3 I
No. Year PDSH 0984 20104 l8 _# K) O$ z& l- D; X' @
Category: LITE Developed by: ETF5 OSM/LUM
- W5 U6 P' {3 ~* SSubject:
! m% y7 q5 _0 H) oTemperature measurement on the battery
/ |) d: H8 ` @ E7 X7 R/ JKey words:
; j% G( K- l; Q% D. z6 V- Thermocouple4 X+ a7 w1 X% f' |, v; x7 m* V( S
- Battery body S/ P0 T3 R! S2 s1 r6 l) A
- Hottest part$ q& d% c; o9 C+ a5 k* h( F/ f/ B
To be approved at the 49th CTL Plenary Meeting, in 20124 a) k3 o! C) l
Question:
! t4 u) D4 r5 G x/ I# g- G' G* BConsider a self-contained emergency luminaire with the battery near to the transformer (distance of about" \& ?4 ^2 ], i3 O7 A% J9 E1 Z
2 mm). Please advise how could the measurement requirement of the above subclauses, in which a5 V t* @! k: q, P* ~7 t) B
thermocouple is to be placed within 5 mm but not touching the cells of the battery compartment of the/ i( G9 b u _, ^/ E. K
luminaire be fulfilled?! Q# l" M( B/ v1 W7 c
Decision:
5 `, k" M3 ?6 s% p: j; k! q C" wTo put the thermocouple midpoint between the transformer and the battery.
+ W2 ?0 w: u$ Q& _Question:7 k1 x1 N9 a7 U: ]( {- i# k2 Y% U/ P
According to the above mentioned decision, in case of temperature measurement on the battery when this
0 B1 E! ^! l" ?+ h1 u* e8 w- P* nis only 2 mm away from the transformer, the thermocouple has to be put at the midpoint between the two! q1 l$ X- b- [; _& f& e
parts. How should the thermocouple be placed if an insulating material of thickness less than 5 mm fills
. S2 A# D' I% A$ i% N8 ~& R7 r! Kthe space between the battery and the transformer?
/ L0 X. w$ j1 bDecision:
5 `# b6 k% C/ |/ r) V: z) mIn direct contact with the hottest part of the battery body.7 ~9 G' d, ?/ |3 v) l
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