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IEC60335-1-2010_家用电器及类似电器的安全_第一部分-一般要求

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IEC60335-1-2010家用电器及类似电器的安全第-部分--般要求
1 Scope...............................................................................................................................9
2 Normative references .......................................................................................................9
3 Terms and definitions .....................................................................................................13
4 General requirement.......................................................................................................20
5 General conditions for the tests ......................................................................................21
6 Classification..................................................................................................................24
7 Marking and instructions.................................................................................................24
8 Protection against access to live parts............................................................................31
9 Starting of motor-operated appliances ............................................................................32
10 Power input and current .................................................................................................33
11 Heating ..........................................................................................................................34
12 Void................................................................................................................................39
13 Leakage current and electric strength at operating temperature......................................39
14 Transient overvoltages ...................................................................................................42
15 Moisture resistance ........................................................................................................43
16 Leakage current and electric strength.............................................................................45
17 Overload protection of transformers and associated circuits ...........................................47
18 Endurance......................................................................................................................47
19 Abnormal operation ........................................................................................................47
20 Stability and mechanical hazards ...................................................................................55
21 Mechanical strength .......................................................................................................56
22 Construction ...................................................................................................................58
23 Internal wiring.................................................................................................................68
24 Components ...................................................................................................................70
25 Supply connection and external flexible cords ................................................................74
26 Terminals for external conductors...................................................................................82
27 Provision for earthing .....................................................................................................84
28 Screws and connections .................................................................................................86
29 Clearances, creepage distances and solid insulation ......................................................88
30 Resistance to heat and fire.............................................................................................97
31 Resistance to rusting....................................................................................................102
32 Radiation, toxicity and similar hazards.......................................................................... 102
Annex A (informative) Routine tests ...................................................................................115
Annex B (normative) Appliances powered by rechargeable batteries.................................. 117
Annex C (normative) Ageing test on motors .......................................................................120
Annex D (normative) Thermal motor protectors .................................................................. 121
Annex E (normative) Needle-flame test .............................................................................. 122
Annex F (normative) Capacitors.........................................................................................123
Annex G (normative) Safety isolating transformers ............................................................ 125
60335-1 © IEC:2010 – 3 –
Annex H (normative) Switches ...........................................................................................126
Annex I (normative) Motors having basic insulation that is inadequate for the rated
voltage of the appliance ......................................................................................................128
Annex J (normative) Coated printed circuit boards ............................................................. 130
Annex K (normative) Overvoltage categories ..................................................................... 131
Annex L (informative) Guidance for the measurement of clearances and creepage
distances ............................................................................................................................ 132
Annex M (normative) Pollution degree ...............................................................................136
Annex N (normative) Proof tracking test.............................................................................137
Annex O (informative) Selection and sequence of the tests of Clause 30 ........................... 138
Annex P (informative) Guidance for the application of this standard to appliances
used in warm damp equable climates..................................................................................144
Annex Q (informative) Sequence of tests for the evaluation of electronic circuits ............... 146
Annex R (normative) Software evaluation ..........................................................................148
Bibliography........................................................................................................................ 162
Index of defined words........................................................................................................164
Figure 1 – Circuit diagram for leakage current measurement at operating temperature
for single-phase connection of class II appliances...............................................................103
Figure 2 – Circuit diagram for leakage current measurement at operating temperature
for single-phase connection of appliances, other than those of class II ............................... 104
Figure 3 – Circuit diagram for leakage current measurement at operating temperature
for three-phase connection of class II appliances................................................................ 105
Figure 4 – Circuit diagram for leakage current measurement at operating temperature
for three-phase connection of appliances other than those of class II.................................. 106
Figure 5 – Small part ..........................................................................................................107
Figure 6 – Example of an electronic circuit with low-power points ....................................... 108
Figure 7 – Test finger nail ...................................................................................................109
Figure 8 – Flexing test apparatus........................................................................................110
Figure 9 – Constructions of cord anchorages ...................................................................... 111
Figure 10 – An example of parts of an earthing terminal ..................................................... 112
Figure 11 – Examples of clearances ................................................................................... 113
Figure 12 – Example of the placement of the cylinder ......................................................... 114
Figure I.1 – Simulation of faults ..........................................................................................129
Figure L.1 – Sequence for the determination of clearances................................................. 133
Figure L.2 – Sequence for the determination of creepage distances ................................... 135
Figure O.1 – Tests for resistance to heat ............................................................................138
Figure O.2 – Selection and sequence of tests for resistance to fire in hand-held
appliances .......................................................................................................................... 139
Figure O.3 – Selection and sequence of tests for resistance to fire in attended
appliances .......................................................................................................................... 140
Figure O.4 – Selection and sequence of tests for resistance to fire in unattended
appliances .......................................................................................................................... 141
Figure O.5 – Some applications of the term "within a distance of 3 mm" ............................. 143
– 4 – 60335-1 © IEC:2010
Table 1 – Power input deviation ............................................................................................33
Table 2 – Current deviation...................................................................................................34
Table 3 – Maximum normal temperature rises.......................................................................37
Table 4 – Voltage for electric strength test ............................................................................41
Table 5 – Characteristics of high-voltage sources .................................................................42
Table 6 – Impulse test voltage ..............................................................................................42
Table 7 – Test voltages.........................................................................................................46
Table 8 – Maximum winding temperature ..............................................................................49
Table 9 – Maximum abnormal temperature rise.....................................................................54
Table 10 – Dimensions of cables and conduits......................................................................75
Table 11 – Minimum cross-sectional area of conductors .......................................................77
Table 12 – Pull force and torque ...........................................................................................79
Table 13 – Nominal cross-sectional area of conductors ........................................................83
Table 14 – Torque for testing screws and nuts ......................................................................87
Table 15 – Rated impulse voltage .........................................................................................89
Table 16 – Minimum clearances............................................................................................90
Table 17 – Minimum creepage distances for basic insulation ................................................94
Table 18 – Minimum creepage distances for functional insulation .........................................95
Table 19 – Minimum thickness for accessible parts of reinforced insulation consisting
of a single layer ....................................................................................................................96
Table A.1 – Test voltages ................................................................................................... 116
Table C.1 – Test conditions ................................................................................................120
Table R.1 e – General fault/error conditions ........................................................................150
Table R.2 e – Specific fault/error conditions ........................................................................153
Table R.3 – Semi-formal methods ....................................................................................... 159
Table R.4 – Software architecture specification .................................................................. 159
Table R.5 – Module design specification .............................................................................160
Table R.6 – Design and coding standards ........................................................................... 160
Table R.7 – Software safety validation ................................................................................ 161

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