IEC 60950-1:2001??

1
IEC 60950-12001??
IEC60950-1 ??????



2
IEC 60950-12001??

• ???????
• 1.??????
• ??
• General Requirements
• ?????
• ???????

3
IEC 60950-12001??
1. ?????? ?IEC/EN 60950-1????,??????????
???????, ???????????????? ???
4
IEC 60950-12001??
- Electric shock ?????????????????,??????????,???
?????????,???????????????????????,????????????????
???,??????,??40Vpeak?60Vdc???,??????????????,?????
??????????????????????? ??????????????(single
fault)??,?????????????,???????_______________????,
????????????????
??( two levels )
5
IEC 60950-12001??
- Energy hazards ???????????????????,?????????,??
????????????????????????,??????????,??????????
???????????,?______,_____?__________????
??
??
????
6
IEC 60950-12001??
- Fire ????????????????????????????,?????????????
????????,???????????????????????????????? ????????
?? - ??_________?? - ????????????________?? - ???
??_______???????????? - ?????????______ - ????????
?______ - ??_______?_______?????????? - ??????____
__????,???????????
???
??
??
??
??
??
??
??
7
IEC 60950-12001??
- Mechanical hazards ?????????????? - ???????????
?? - ????????? - ????????? - ??????????????????  ?
?????????? - ????????________ - ??___________??
- ??_________ - ???___________?? - ?????????????_
_______?? - ??????????????????????????_______?????
?
???
????
???
???
??
??
8
IEC 60950-12001??
- Heat hazards ???????,?????(??)?????? - ???????
??????? - ??????????????? - ????????   ??????????
- ????????? ______________ ??? - ?????????______
_____?? - ????????????_____________????,??????????
?
??????
????
??????
9
IEC60950-12001??
- Radiation hazards ?????????????????????????????
?? ???????????? ???????????????,??????????????????
??,?????   ?????????? - ??????_______? - ??______
____?? - ??????????????????????,???_______??????
??
????
??
10
IEC 60950-12001??
- Chemical hazards ????????????,?????????,???????
??,?????,?????????????????,??????????   ??????????
- ?????????????????????????? - ?????????????????
?????,???????????
11
????

• ?????????

12
UL60950 Scope ????

• ??????????????????????????600V???????,????????????
  ?????
• ??????????????????????????

13
UL60950 ????

• ???,???,???,?????,???,????????,???????,??????,????
  ??,????,???,???,?????,???,???,??????,???

14
????

• ??????,?????????????????????????
• 1??????????????,??????????????????????????????????
  ????
• 2????????????????
• 3?????????????????,?????????200MM??????????
• 4????????????????,?????????????????????

15
????????????

• Listed Product???????????????????????????????,???
  ???????,????????????
• Recognized Product?????????,???????????????,?????
  ?????????????????????????????,???COA???,??????????
  ?????

16
UL60950-1 Product category????

• LISTED(QQGQ/7,NWGQ/7)??
• ????????600?????,?????????????????????????????????
  ??????????????????????(NWGQ)?????(QQ)?????????????
  ???ITE??(NWGQ)????
• Recognized(QQGQ2/8,NWGQ2/8)??
• ???????????????????????????,???????????,??????????
  ??????????

17
????

• (????)???????????????
• (????)???????????????????,???????????????????????
  ?????????????????
• (????)?????,?????????????,?????????????????,?????
  ??????????????????????
• ?????????????

18
????

• ???
• ???
• --???????18Kg???????.??
• --?????????????,??????????????????????
• ??
• --??????????????????????????????

19
????

• ??Stationary equipment which is fastened or
  otherwise secured at a specific location.
• ??????????????,???????????????????????????????
• ?????????????????????,???????????????????
• ???,??????????????????,????????,???????????

20
?????

• 1?SELV??safety extra-low voltage circuit????????
• 2?LCC??Limited current circuit
• ??????
• 3?ELV??extra-low voltage
• ????
• 4?Hazardous voltage
• ????
• 5?LPS????Limited power source
• ????
• 6?TNV??telecommunication network voltage circuit
• ????????

21
SELV??safety extra-low voltage circuit

• A SECONDARY CIRCUIT which is so designed and
  protected that under
• Normal operating conditions,and
• -Voltages not exceed 42.4V pk or 60V dc
• Single fault conditions,
• 1.For t(0,200ms),V71V pk or 120V dc
• 2.For t(0.2s, 8),V42.4V pk or 60V dc

22
SELV ??safety extra-low voltage circuit

• ???????????????(1.4.14)?,SELV?????????????????????
  
• Note????(?????????)????????SELV???????,??????????
  ?,?????????????????SELV???????,????????????

23
LCC????

• ????
• ?????????????,??????????????????,?????????????????
  ?
• ??????????????????????2.4??????

24
LCC-Part1

• The available current(A)shall not exceed the
  limits under both normal operating conditions and
  in the event of a single failure
• -For frequency not exceeding 1 kHz
• A pkV pk/2000?lt0.7mA pk
• A dcV dc/2000?lt2.0mA dc
• -For frequency above 1kHz
• A pkV pk/2000?lt0.7mA X freq.(in kHz),
• But available current(A)shall not exceed
  70mA

25
LCC-Part2

• Limits of available energy
• For voltagelt450V peak or dc,
• -Capacitance0.1µF and was recorded in µF
• For voltage(450,15,000)V pk or dc,
• -Stored charge 45 µC and was recorded in
  
• µC (µF)V
• For voltagegt15,000V peak or dc,
• -Available energy 350 mJ and was recorded
  in J5(10)-7(µF)V2

26
ELV????

• ELV(extra-low voltage)circuit????
• ????????,???????????????????????????????42.4V?????
  ?60V?????????????????????????SELV???????,????????
  ??????

27
????

• ?????????????????TNV????????,???????42.4V???????60
  V??????????????????,??????SELV???????,???????????
  ??

28
LPS(????)

• 1,???????
• 2,????????(??????)

29
LPS(????)
30
TNV??????

• TNV(telecommunication network voltage)circuit
  1.2.8.11TNV-1 circuit whose normal operating
  voltage do not exceed the limits of SELV and on
  which overvoltages are possible.
• 1.2.8.12TNV-2 circuit whose normal operating
  voltage exceed the limits of SELV and which is
  not subjected to overvoltages.
• 1.2.8.13TNV-3 circuit whose normal operating
  voltage exceed the limits of SELV and on which
  overvoltages are possible.

31
TNV??????

• The signal of TNV circuit mainly is from the
  telephone line outside.
• The cause of the overvoltage mentioned in the
  above page
• 1,telephone line maybe contact with the high
  voltage electric power line out side
• 2,maybe from the lightning
• In this type circuit like TNV-2
• The telephone we often use belong to the
  TNV-3
• NoteCable distrebution systemTNV-1
• A metallically terminated transmission medium
  for transmission of video and/or audio signals
  between separate buildings or between outdoor
  antennas and buildings.
  

32
????

• 1?????(F)
• ?????????????
• ????????????????????,???????????????????
• 2?????(B)
• ??????????????
• 3?????(S)
• ????????????????,?????????????????????
• 4?????(D)
• ????????????????
• 5?????(R)
• ?????????,??????????,?????????????????????
• ???????????????????????????????????????????????
  ???????????????????

33
????
TYPE of INSULATION or PROTECTION LEVEL of PROTECTION against ELECTRIC SHOCK
FUNCTIONAL BASIC SUPPLEMENTARY DOUBLE REINFORCED PROTECTIVE EARTH 0 1 1 2 2 1
34
???????

• ??????
• -FUNCTIONAL INSULATION,and
• -BASIC INSULATION
• Note
• ?????????????0.4mm? ?????????

35
?????

• ?????????
• -BSD
• -BETwo Levels of Protection
• -RD
• -BB?D

36
???????

• Electric protection level???????-UL60950-1
• ?CLASS I EQUIPMENTEquipment is protected by
• Uses BASIC INSULATION????
• Provides a means of connection to the
  PROTECTIVE EARTHING CONDUCTOR???????.
• CLASS II EQUIPMENTEquipment is protected by
• Provides DOUBLE INSULATION or REINFORCED
  INSULATION
• Be no reliance on either protective
  earthing.
• ? CLASSII EQUIPMENTEquipment protected against
  electric shock by
• Relies upon supply from SELV CIRCUITS
• Are not generated HAZARDOUS VOLTAGES.
• Impact??The touch current values,enclosure,spacin
  gs etc

37
???????

• ????
• ???????
• ???????????
• ????,?????????????
• Impact??The minimum CLEARANCE and CREEPAGE
  DISTANCE values.

38
????

• ??????Ac mains supply
• ?????????(???????)
• I?Unearthed(???Ifor isolated from earth)
• T?Earthed(???Tfor earthed (terra))

39
????

• ????????????????????????,???????????????????,?????
  ?,????????????,????????.??????????????????????????
  ???,?????????????.

40
??????????

• Marking label ?? Power
  Supply Cord ???
• Case ??
  Appliance Inlet ??
• Internal Wire ??? Fuse
  ???
• Fusible resistor ???? X CapY Cap
  X??,Y??
• Varistor ???? Transformer
  ???
• O ptical isolators ?? Tubing
  ??
• PWB ??? DC output
  cord ???
• Switch ??
  Adhensive ?
• Fuseholder ???? Thermal cut-out
  ????
• Thermostat ??? Terminal Block
  ???
• Insulation material(??)????

41
Enclosure(??)

• ??????????
• UL50??
• ???????????????????????????(???????????),?????????
  ????????????(???????????????).
• ???????????????????.
• ??????????,????????????,?????????,??????,?????????
  ?.

42
??

• UL 60950-1??????
• ?????????????????????????????
• ????????????????????????????
• ??????????????????????????TNV??????????????
• Decorative part ???
• NOTE
• ???????????????????? ???????????????????.

43
???????

• ???????????????????,???,???,???????????????,??
  ??????????.????????????.

44
????

• ?????????????????,???,??

45
IEC 60950-12001??
Materials and components hazards
?????????????,???????????,?????????????,????????
Scope IEC 60950????????mains-powered or
battery powered ????(???????)??????,???????600V.
46
IEC 60950-12001??

47
IEC 60950-12001??
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IEC 60950-12001??
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IEC 60950-12001??
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IEC 60950-12001??
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IEC 60950-12001??

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IEC 60950-12001??
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IEC 60950-12001??
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IEC 60950-12001??
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IEC 60950-12001??
56
IEC 60950-12001??3.1?????

57
IEC 60950-12001??

58
IEC 60950-12001??

• 4.2 Marking
• 4.2.1 ?????? ????????????(???),?????????????,??,?
  ?. ??????

59
IEC 60950-12001??

• 3.2.2
• 3.2.3
• 3.2.4

60
IEC 60950-12001??

• 3.2.5
• 3.2.6
• 3.2.7
• 3.2.83.2.9

61
IEC 60950-12001??

• 4. ?????
• 4.1 ??????????????
• - ___SELV_???????
• - ___???_____???????
• - ??2.1.1.1.?????_ TNV ??

62
IEC 60950-12001??
4.2 ??????????????? - ________???????, - ?______
___?????, - ELV?????_____???_____????????,???????2
.1.1.3???? - ?????????_____???_____???????? - ____
____??????????????ELV??????,??_____???_____????
ELV
????
??
??
??
??
???
??
??
63
IEC60950-12001??
4.3 ????(Functional Earthing)????????????????????
??,?????????? a.) ??????????????????,???????????
???? - _______________?? - ____????????(Protec
tive screen)???PE?? b.) ??????????_______?
_______________________ c.) ???????????????IEC
60417 No._______,?_______???,???????????????
terminal block??,???????,??IEC 60417
No._______???????????Note d.)
??????????????________?? e.) ??????________???????
?????,???????_________????
?????
??
PE??
Protective Bonding conductor
5017
5019
5017
???
???
Class II
64
IEC 60950-12001??
4.4 Protective earthing conductors?????,???????
3.2.5 ?3B????????
65
IEC 60950-12001??
4.5 Protective bonding conductors?????,???????
3.2.5 ?3B???????,????? 2.6.3.3.??????????16A?,????
??????2D????????
66
IEC 60950-12001??
4.6 Protective protective bonding conductors
???????? 3.2.5.?3B????,??? 3.3.5.
?3E?????????,??????????
67
IEC 60950-12001??
4.7 ???????????? ????Protective earthing
conductors????______?? Protective bonding
conductor??????,??????______?,?????????,??????____
_??_____?? ?Protective bonding
conductor?????????(Assembly)?ribbon
cables,busbars,printed wiring?,????????,??????????
?????
??
??
??
??
68
IEC 60950-12001??
4.8 ?????? ???????,????____________?
??????????,??_____?______ ????????????
Operator ????parts, ____________ ___________
____________?????????make earlier and break
later. ????,?????????????,??_______ ?????
??????,??????????,??????????????,????????????????J
.1???(???????????____V,?????),???????,??????????
??????
??
??
a plug on a power supply cord
???????? connector
an appliance coupler
????
0.6
69
IEC 60950-12001??
4.8 ?????? (continue) ????????????????2?????
?????.However, it is permitted to use a
single?????Metal part ?? min. 1.6mm for
thread-cutting type or min. 0.9mm for
thread-forming type .
70
IEC 60950-12001??
71
IEC 60950-12001??
4.9 ??????????????2G??2F,??????
72
IEC 60950-12001??
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IEC60950-12001??
74
IEC 60950-12001??
4.10 ????(clearance)???
????????????,????????? - ?????????????????????????
??,???____mm????????????????????????????????(non-v
ertical top surface) - ??????????????????????????,
???____mm? -??????clearance???????2H(rms)?2J(peak)
?????????,????AC?????????,?230Va.c.,?cl.?4.0mm? -?
?????clearance???????2K? ?????????,????????____
N?,????____ N?,??????,?????????,??????????
10
2
10
30
75
IEC 60950-12001??
4.11 ????(creepage distances)??? -
???????????,??????,??????????,??2L???????????? -
???????????2L????????????? - ????2L?????????,???2H
?2J?2K?????????,??????????????????????? -
????,????????,??????????????,?????????? -
????????????,???????,??????????,?????,?TNV????????
???? - ???TNV???????,???TNV-1???60Vd.c.,?TNV-2?TNV
-3???120Vd.c.?
76
IEC 60950-12001??
77
IEC 60950-12001??
78
IEC 60950-12001??
79
IEC 60950-12001??
80
IEC/EN 60950-12001??
4.11 ????(creepage distances)???
(continued) - ???????IEC 60112????????,?????,????
material group IIIb 1.Material group I _____
?CTI (comparative tracking
index) 2.Material group II _____
?CTIlt_____ 3.Material group IIIa _____
?CTIlt_____ 4.Material group IIIb _____
?CTIlt_____ - ???????,???Annex F?
600
400
600
175
400
100
175
81
IEC 60950-12001??
82
IEC/EN 60950-12001??
83
IEC/EN 60950-12001??
84
IEC/EN 60950-12001??
85
IEC/EN 60950-12001??
86
IEC/EN 60950-12001??
87
IEC/EN 60950-12001??
88
IEC/EN 60950-12001??
89
IEC/EN 60950-12001??
90
IEC/EN 60950-12001??
4.13 ??????? (clause 2.10.5.1-2.10.5.2)
????????????????????????(2.10.5.1)? -
???????____V(____Vpeak?d.c.)??????-
?????,????????_____mm- ?????,????????????,??????
???,??_____ mm ??????- ??????????,???????????(two
tracks) ,???????,???2.10.5.1????
50
71
0.4
0.4
91
IEC/EN 60950-12001??
4.14 ??????? (continued) ??????,??????????,???
???????????,?????????????????,??????????(2.10.5.2)
- ???????__????????,?????___???????????????????
?- ?????___????????,???___????,??????????????????
?- ???????___????????,????___???????????????????
? - ?????____????????,???___????,?????????????????
??
2
1
3
2
2
1
3
2
92
IEC/EN 60950-12001??
4.14 ??????? (clause 2.10.5.4,Wound
components) ?????????????????,?????????,????????
?(basic),??(supplementary),??(double)???(reinforce
d)??,????(????)????2.10.5.1 ?/? 2.10.5.2
??????a),b)?c)???? a) ??(????)?????????????,?????
2.10.5.1 ? b) ??(????)???????,???????????????,???
??2.10.5.2???U??? ?
93
IEC/EN 60950-12001??
4.14 ??????? (continue) c) ??(????)???????,???
???????????,?????U???,??????(?extruded?wrapped
type)?????????????????? - ??????????????Extrude
d?? ????___?, wrapped?? ????___?? -
???????????????extruded?wrapped type????___?? -
???????????????extruded?wrapped type????___??
1
2
2
3
94
IEC/EN 60950-12001??
4.14 ??????? (continue) ???2.10.5.4
b)?2.10.5.4 c)????,??????????????????,????2L????_
__????,????????????,???2.10.8???,?????U.2????????
??1.6??   ???????????????,?????????________???,??
?????,??????????,????????????(??)
,???????????(??),??????????????????????????????,??
???5.2.2.???????????,??????????3000Vac,1 min.?
1
45-90
95
IEC/EN 60950-12001??
4.14 ??????? (continue)
700
120
E
1000
1000
120
E
1400
155
F
1000
1400
H
180
1000
130
B
1000
1400
96
IEC/EN 60950-12001??
5 ??????? 5.1 ???????????????? (clause
4.4.1-4.4.4) ??????????????,????????????,????
????????????????????????,??????????,?????????????,
???????(automatic timer starting)????????? -
??????????,????????,????????????????????????????,?
???????????????????????,???????????????,??????????

97
IEC/EN 60950-12001??
5.1 ???????????????? (clause 4.4.1-4.4.4)
(continued) - ???????????,????????,??????????????
???????? - ?????????????,???____________?______
????????? WARNING HAZARDOUS MOVING PARTS,
KEEP FINGERS AND OTHER BODY PARTS AWAY.
?????
??
98
IEC/EN 60950-12001??

• 5.2 Thermal requirements
• A. ??????,???????????,???????.
• B. Thermoplastic materials ????,???pass Ball
  Pressure Test at min. 125
• C. ???temperature limits?table 4B??.

99
IEC/EN 60950-12001??
100
IEC/EN 60950-12001??
101
IEC/EN 60950-12001??
5.3 ???????? ?Transportable equipment
enclosure??,?????????,??????????? -
???????????????????? a. ???????,?????___mm? b.
???___mm?,?????? c. ??????,??????????????,????????
???,?????4B?????? d. ??????,?????___
??????,?????????????????___ ??????????4D???
5
1
5
5
102
IEC/EN 60950-12001??
5.3 ???????? (continued) - ????????????????????
a. ???????,?????___mm? b. ???___mm?,?????? c.
???????,???????,????????4C??? d. ??????,?????____
??????,????????????????????____ ??????????4D???
5
1
5
5
103
IEC/EN 60950-12001??
5.3 ???????? (continue) - ???????????????????? a
. ????? b. ?????,?????????? 1.PVC,TFE,PTFE,TEP?ne
oprene???????????? 2.?__________?___________???? 3
.?????????___________??___________???????? c.
??____mm2?????,???????_____????????
????
????
?????
????
40
V-1
104
IEC/EN 60950-12001??
5.3 ???????? (continue) d. ?????,???????????,????
?4F ??? e.???????,???????????4B????
f.?????????,????????___mm___mm,
????????????_________mm?
2
2

0.45
105
IEC/EN 60950-12001??
5.3 ???????? (continue)
Figure 4B Examples of cross-sections of designs
of openings preventing vertical access
106
IEC/EN 60950-12001??
5.3 ???????? (continue)
Figure 4C Examples of louvre design
107
IEC/EN 60950-12001??
5.3 ???????? (continue)
Figure 4D Enclosure openings
108
IEC/EN 60950-12001??
5.3 ???????? (continue)
Figure 4F Baffle plate construction
Table 4C Size and spacing of openings in metal
bottoms of fire enclosure
109
IEC/EN 60950-12001??
5.4 ??????????? Transportable
equipment???????,?????????,???????????,??????,????
?LPS???????,???????,??,???????? - ???____mm?,???
??? ?? - ?????????(screen mesh),????????___mm___
mm,????????????_____mm? ?? - ???_________________
_____________?
1
2
2
0.45
????
110
IEC/EN 60950-12001??
5.4 ??????????? (continued) ??,?????????????????
,???????____VA?????????,????____mm?,?????????????
- ??????????,????????,????????,?????????????????
???____VA? ?? - ???________??????????
?? - ???????,????????????????,???????___VA???????
??
15
13
15
???
15
111
IEC/EN 60950-12001??
5.4 ???????????????? 1. ???????????????,?????,??
?4.7.2?4.7.3???,????,??????????????????????? 2.
????5.3.6?????????,??????????????? -
?????????????????????????????????????????_______??

??
112
IEC/EN 60950-12001??
5.4 ???????????????? (continued) a. ???????? b.
???????,?????????????2.5???? c.
???????,???????______????,??????????????2.5???? d.
???? e. ????????????,??????,??????????
V-1
113
IEC/EN 60950-12001??
5.4 ???????????????????????????? 1.?PVC,TFE,PTF
E,FEP,neoprene?polyimide??????????? 2.????4.7.3.2?
??????????????????? 3.????????,?????????_____?____
____???????____VA??? 4.????????,????????????2.5???
? 5.?????????,????????????2.5???,???????______????
?
??
????
15
V-1
114
IEC/EN 60950-12001??
5.5 ????????????????????????????
(continued) 6.???(power supply
cord)???????(interconnecting cable)????????? 7.???
8. ?????????,??????????????,?______?
____________???,?????____VA,???????_____?????
??
????
15
HB
115
IEC/EN 60950-12001??
Table 4C-Summary of material flammability
requirements  
5.6 ??,???????????????4C??
Table 4C-Summary of material flammability
requirements
116
IEC/EN 60950-12001??
5.6 ??,???????????? (continued)
Table 4C-Summary of material flammability
requirements
117
IEC/EN 60950-12001??
5.7 ???? (clause 4.2.10,wall or ceiling mounted
test) - ????????????,????????
??????? - ???????,????____N???(????) -
???? 1. ?????????????, ??????? 2. ????????____N,
??????????? ?, ???????????, ????????
?____ ??? - ?????????????,??????? ???????
50
50
?
118

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