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GB 19212.8-2012: [GB/T 19212.8-2012] Safety of power transformers, power supplies, reactors and similar products -- Part 8: Particular requirements and tests for transformers and power supplies for toys
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[GB/T 19212.8-2012] Safety of power transformers, power supplies, reactors and similar products -- Part 8: Particular requirements and tests for transformers and power supplies for toys
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GB 19212.8-2012
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| GB 19212.8-2006 | English | 439 |
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Safety of power transformers, power supply units and similar -- Part 8: particular requirements for transformers for toys
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Basic data | Standard ID | GB 19212.8-2012 (GB19212.8-2012) | | Description (Translated English) | [GB/T 19212.8-2012] Safety of power transformers, power supplies, reactors and similar products -- Part 8: Particular requirements and tests for transformers and power supplies for toys | | Sector / Industry | National Standard | | Classification of Chinese Standard | K41 | | Classification of International Standard | 29.180 | | Word Count Estimation | 14,114 | | Older Standard (superseded by this standard) | GB 19212.8-2006 | | Quoted Standard | IEC 60227-1; IEC 60245-1; GB 1002-1996; GB 1094.1; GB/T 2423.2-2001; GB/T 2423.8-1995; GB/T 2423.55-2006; GB/T 4074.3-1999; GB/T 4074.5-1999; GB/T 4074.6-1999; GB/T 4207-2003; GB 4208-2008; GB/T 12113-2003; GB 15092.1-2003; GB/T 16935.1-1997; GB/T 16935.3 | | Adopted Standard | IEC 61558-2-7-2007, IDT | | Regulation (derived from) | National Standards Bulletin No. 13 of 2012 | | Issuing agency(ies) | General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China | | Summary | This Chinese standard specifies the power transformers for toys safety regulations, for example, on the electrical, thermal and mechanical aspects of the safety requirements. This standard applies to toys transformers and built power transformers and elec | GB 19212.8-2012: [GB/T 19212.8-2012] Safety of power transformers, power supplies, reactors and similar products -- Part 8: Particular requirements and tests for transformers and power supplies for toys
---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Safety of power transformers, power supplies, reactors and similar products.Part 8. Particular requirements and tests for transformers and power supplies for toys
ICS 29.180
K41
National Standards of People's Republic of China
Replacing GB 19212.8-2006
Power transformers, power supplies, reactors and similar products
Safety - Part 8. transformers for toys and
Particular requirements and tests of power
Safetyofpowertransformers, powersupplies, reactorsandsimilar
products-Part 8. Particularrequirementsandtestsfor
(IEC 61558-2-7.2007, Safetyofpowertransformers, powersupplies,
reactorsandsimilarproducts-Part 2-7. Particularrequirementsand
testsfortransformersandpowersuppliesfortoys, IDT)
Published 2013-05-01 2012-06-29 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China issued
Table of Contents
Preface Ⅰ
1 Scope 1
2 Normative References 1
Terms and definitions 1 3
4 General requirements 2
General Description 5 Test 2
Rating 2 6
7 Category 2
8 Marking and other information 3
9 Protection against electric shock 3
10 changes the input voltage set value 4
11 load output voltage and output current 4
12 load output voltage 4
13 short-circuit voltage 5
14 5 fever
15 circuit and overload protection 5
16 mechanical strength 6
17 to prevent dust, harmful solid objects and moisture into the protection 7
18 insulation resistance, dielectric strength and leakage current 7
19 Structure 7
20 components 8
Internal wiring 21 8
22 and other external power connector flexible cable or cord 8
23 external lead terminal 9
24 protective earthing 9
25 and screw connection 9
26 creepage distance, an insulating distance and the through clearances 9
27 heat and fire resistance to tracking 9
28 9 rust
Appendix 10
Foreword
All technical contents of this section GB 19212 is mandatory.
GB 19212 "power transformers, power supplies, reactors and similar products" 1) currently include the following.
1) This series of standards, some part under "power transformers, power supplies, reactors and similar products" heading, some parts in the "supply voltage
For the next 1100V and below transformers, reactors, power supply units and similar safety products, "the title, the title of this series of standards possible future releases
It will be modified.
--- Part 1. General requirements and tests;
--- Part 2. Particular requirements for the separation and general purpose test power transformers and transformer isolated built;
--- Part 3. Particular requirements for control and test transformer and the power of the built-in control transformer;
--- Part 4. gas oil burners and special requirements of the ignition transformer;
--- Part 5. Particular requirements and test power supply device built isolation transformer and the isolation transformer;
--- - Part 6. Particular requirements for shaver transformers and shaver power supply device;
--- Part 7. Particular requirements and test power supply unit and the safety isolating transformer of the built-in safety isolating transformer;
--- Part 8. Particular requirements for toys and test transformers and power supplies;
Section --- 9. Particular requirements for bell and bell transformer;
--- Part 10. Particular requirements for filament type portable Ⅲ transformer;
--- Part 13. Particular requirements for constant voltage transformers;
--- Part 14. Particular requirements and tests auto transformers and power supply device built autotransformer;
--- Part 15. Particular requirements for the regulator;
--- Part 16. Particular requirements for supply of medical locations using isolation transformers;
--- Part 17. switching type power supply device and a switching power supply device and the special test requirements of transformers;
--- Part 20. Particular requirements for attenuating interference transformers;
--- Part 21. Particular requirements for small reactors;
--- Part 24. Particular requirements for transformers for construction sites.
Other parts are under consideration.
This is Part of 8 GB 19212. This section was developed on the basis of GB 19212.1-2008 on this part of the need to
GB 19212.1-2008 used in conjunction.
This section is 19212.1-2008 GB respective chapter, the strips supplemented and modified in order to GB 19212.1-2008 content of
Conversion of the present content portion. This section GB 19212.1-2008 for the newly added clause numbered starting from 101.
This section drafted in accordance with the rules GB/T 1.1-2009 given.
This partial replacement GB 19212.8-2006 "Safety Section 8 power transformers, power supply units and similar products. transformer toys
Special requirements "is compared with the GB 19212.8-2006, the main technical changes are as follows.
a) Standard name to "Safety Section 8 power transformers, power supplies, reactors and similar products. toys, power transformers and
Special requirements and tests ";
b) Chapter 1 increases with the content of the power-related aspects of the interior of the toy transformer, and a predetermined rated output voltage of the power supply the toy;
c) Chapter 2 adds a reference to IEC 60227-1 and IEC 60245-1 standards;
d) Chapter 3, the scope of the term modified "transformer"; the modified terms and definitions transformers for toys; Toys increased power
The terms and definitions source;
e) Chapter 6 adds the requirement for the nominal supply frequency;
f) modify the contents of 8.11, to complement the "symbol or graphic symbol" and "description or name" and "identification code"; adds Father
Mother tips of their contents;
g) modify the contents of 12.102, and supplemented ratio calculation formula;
h) modify the contents of Chapter 14;
i) modify and supplement the content of Chapter 19.
This section uses the translation method is equivalent to using 61558-2-7 IEC .2007 "power transformers, power supplies, reactors and similar products
Part 2-7. Particular requirements for toys and test "and the power transformer (English).
Consistency correspondence relationship with the international standard in normative documents referenced in our files are as follows.
--- GB/T 5023.1-2008 rated voltage of 450/750V and below PVC insulated cables - Part 1. General Requirements
(IEC 60227-1.2007, IDT);
--- GB/T 5013.1-2008 rated voltage of 450/750V rubber insulated cables and below Part 1. General Requirements
(IEC 60245-1.2003, IDT).
For ease of use, this part of the IEC 61558-2-7.2007 editorial changes are also made the following.
A) "in the present international standards" to "this section";
b) Delete IEC 61558-2-7.2007 Foreword.
Please note that some of the content of this document may involve patents. The issuing authority of this document does not assume responsibility to identify these patents.
This section was proposed by China Electrical Equipment Industrial Association.
This part of the National small power transformers, reactors, power supply apparatus and Similar Products Standardization Committee (SAC/TC418)
Centralized.
This section was drafted. Shenyang Transformer Research Institute, China Electronics Standardization Institute, the Ministry of Industry Institute of Electronics fifth quality inspection
Test center, Shanghai Quality Supervision, Inspection Technology Research Institute of electrical and electronic household appliances quality inspection.
This part drafter. Zhang Xianzhong, Luo Zu Wei, Zhang Lili, He Guofeng, Yu Yimin, Zhang Hong.
This section replaces the following previously issued as follows.
--- GB 19212.8-2006.
Power transformers, power supplies, reactors and similar products
Safety - Part 8. transformers for toys and
Particular requirements and tests of power
1 Scope
GB 19212.1-2008 This clause is replaced by the following.
GB 19212 This section specifies the safety requirements for toys and power transformers, for example, on electrical safety, temperature and mechanical aspects
Full regulations.
This section applies to toys, toy transformers and power transformers and interior electronics. This does not apply to a predetermined change to the
Pressure and the external circuit components and the power supply input and output terminals of the receptacle connector or output.
This section applies Stationary or mobile, single-phase, air-cooled (air-cooled or self-cooling) transformers for toys and interior transformers for toys
Power, which does not exceed the rated supply voltage of AC 250V, rated supply frequency and internal operating frequency of no more than 500Hz, not exceeding the rated output
Over 200VA, rated output current does not exceed 10A.
This section applies to special-purpose transformer and the isolation transformer.
This section applies to dry-type transformers for toys, which winding may be encapsulated or non-encapsulated type.
Toys for transformers and power transformer interior toys, load output voltage which is not more than 33V AC, or, on the interior Toys
Power supply transformer, which does not exceed the no-load output voltage ripple free DC 46V. Toys and power transformers, the rated output voltage
Not more than AC 24V, or toys power supply, the output voltage does not exceed the rated ripple free DC 33V.
This section is generally not considered children playing with toys with built-in transformer and toys specific safety problems with the power transformer.
Note 1. Note the following.
--- scheduled use of the transformer on a vehicle, ship or aircraft, may require some additional requirements (according to other applicable standards, national procedures, etc.);
--- avoid housing and housing components affected by the impact of external protection measures such as mold, insects, termites, solar radiation, and icing should also be considered;
--- transformer transport, storage and different working conditions should also be considered;
--- scheduled to be used for special circumstances, such as transformers for tropical environment, you can use additional comply with other applicable standards and national rules of order
Claim.
Note 2. With future development of transformer technology, may have to increase the upper limit frequency, but before then, this part may be used as guidelines.
2 Normative references
In addition to these references, GB 19212.1 of this chapter apply.
The chapter add the following references.
IEC 60227-1 rated voltage of 450/750V and chloride insulated cables - Part 1. General Requirements
(Polyvinylchlorideinsulatedcablesofratedvoltagesuptoandincluding450/750V-Part 1. General
requirements)
IEC 60245-1 rated voltage of 450/750V rubber insulated cables and below Part 1. General Requirements (Rubberinsu-
latedcables-Ratedvoltagesuptoandincluding450/750V-Part 1. Generalrequirements)
3 Terms and Definitions
In addition to the following, safety Part 1 GB 19212.1-2008 power transformers, power supplies, reactors and similar products. General
Requirements and tests (IEC 61558-1.2005, IDT) of this chapter apply.
The chapter paragraph 3 to read.
As used hereinafter, the term "transformer" means. if applicable, the power supply comprising a transformer with transformer toys and toy interior.
The chapter following is added.
3.1.101
Transformers for toys transformersfortoys
It is designed to power the toy, but not fixed to the toy or toys loaded into, does not exceed the rated output voltage of 24V AC independently Ann
Full isolation transformer.
3.1.102
Toys Power powersuppliesfortoys
Not fixed to the toy or toys loaded in, the output voltage does not exceed the rated AC 24V or 33V DC ripple built-Toys
A power transformer.
4 General requirements
This chapter applies the GB 19212.1-2008.
General description of the tests 5
This chapter applies the GB 19212.1-2008.
6 Ratings
GB 19212.1 of the chapter is replaced by the following.
6.101 pairs and power transformers, the output voltage should not exceed the rated AC 24V, the power supply, the output voltage should not exceed the rated ripple linear
Stream 33V.
6.102 rated output should not exceed 200VA.
6.103 nominal supply frequency should not exceed 500Hz.
6.104 only one rated supply voltage, it should not exceed AC 250V.
6.105 rated output current should not exceed 10A.
Compliance is checked to be 6.101 ~ 6.104 by visual inspection mark.
Category 7
In addition to the following provisions, GB 19212.1-2008 of this chapter apply.
7.1 replaced by the following article content.
Protection against electric shock by Category.
--- transformer should be Ⅱ class structure.
7.2 replaced by the following article content.
Or abnormal conditions of short circuit protection by protection Category.
--- inherent resistance transformer short-circuit;
--- extrinsic transformer short-circuit resistance;
--- safe transformers.
7.4 was replaced with the following article.
Moves by Category.
--- mobile transformer;
--- Stationary transformers.
7.5 replaced by the following article content.
Works by Category.
---continuously working.
8 Marking and other information
In addition to the following, GB 19212.1-2008 This clause applies.
8.1h items) Add the following content.
Transformer shall be marked with one of the graphical symbols shown in 8.11.
8.1n) item be amended as follows.
Outdoor transformer should be labeled with the corresponding IP code.
8.11 Addition of the following.
Symbol or graphic symbol description or name identification code
Toys transformers (transformer short-circuit the inherent resistance, unfixed
Resistant to short circuit safe transformers or transformers)
IEC 60417-5219 (2002-10)
The chapter following is added.
8.101 instructions shall include the following or equivalent elements.
Tips for parents. "Toy transformers and power supply is not used as a toy, therefore, children should use it under the full supervision of parents
Some products. "
9 Protection against electric shock
In addition to the following, GB 19212.1-2008 This clause applies.
9.1.2 article be amended as follows.
Small test shown in Fig 101 refers to the standard shown in FIG. 2 instead of the test finger.
Description.
Material. Metal;
Size Unit. mm;
Size deviation. ± 0.125mm;
Contacts should allow the two cutter can rotate in a range of 90 ° in the same plane and the same direction, deviation of 0 ° ~ 10 °.
FIG small test finger 101
Addition of the following.
The input circuit live parts or basic insulation only metal parts isolated from live parts should not be touched, even
An openable cover means of a tool and so should after opening.
Changing the input voltage set value 10
In addition to the following, GB 19212.1-2008 This clause applies.
The chapter is replaced by the following.
There should only be a transformer rated supply voltage or a rated power voltage range.
Meets the requirements should be determined by visual inspection.
11 load output voltage and output current
In addition to the following, GB 19212.1-2008 This clause applies.
That section 11.1 is replaced by the following.
When the rated supply voltage transformer connected to the rated frequency, and with a lower energy (AC) rated output voltage and rated power factor
An impedance load for the rated output, the output deviation of the output voltage to the rated voltage value, the AC should not exceed 10% or, for
DC should not exceed 15%.
This requirement applies to all of the output winding and the tap.
Load output voltage 12
In addition to the following, GB 19212.1-2008 of this chapter apply.
The chapter increased the following provisions.
12.101 load output voltage should not exceed 33V AC or DC ripple 46V.
Toy transformers, the output voltage limit is also applicable to the case of Ready interconnected output windings connected in series.
12.102 difference between the output load voltage and the load output voltage should not be too large.
Meets the requirements of 12.101 and 12.102, should be connected to the rated supply voltage transformer rated frequency at ambient temperature, measurement
To check the load output voltage.
In this chapter the measured no-load output voltage and the output voltage according to the difference between the load measured when the test Chapter 11, when the latter is expressed as a percentage of
When, should not exceed 100%.
NOTE. This ratio is defined as follows.
U load -U load
U × 100% load
Where.
--- dead load output voltage U in volts (V);
--- Load load output voltage U in volts (V).
13 short-circuit voltage
GB 19212.1-2008 This clause does not apply.
14 fever
In addition to the following, GB 19212.1-2008 This clause applies.
Table 1 modified as follows.
Replaced with the following Table 1 on the outside of the housing all the requirements.
Parts temperature/℃
Outer housing (small test shown in Fig means can reach to 101), the hand
Handles and similar parts, if it is.
• made of metal;
• made of other materials.
Outer housing (small test shown in Fig means 101 is not touched).
15 short-circuit and overload protection
In addition to the following, GB 19212.1-2008 This clause applies.
15.1 Addition of the following.
Shorting the transformer should be resistant to non-hazardous or structure. Short-circuit resistance of the transformer should be able to withstand the overload may occur when live normal use. Transformer
It is not equipped with a fuse.
If the output current exceeds the short circuit 20A, it should be fitted non-self-resetting overload protection device.
If a non-self-resetting overload protection device, it should be installed in the input circuit.
Table 3 modified as follows.
Replaced by the following Table 3 with respect to the outer housing of the requirements.
Parts maximum temperature/℃
Outer housing (small test shown in Fig means can reach to 101).
• made of metal;
• made of other materials.
The chapter increased the following provisions.
15.3.101 short circuit current exceeds the transformer input circuit 20A, the power supply should be connected to the rated under cold conditions (i.e. at room temperature recognized)
Pressure, and each should be an output circuit or output winding short circuit, an output circuit or output the remaining open windings.
When a plurality of output currents, should only be a short-circuit on the output of the short circuit current exceeds 20A.
Overload protection device shall act in 1s.
15.5.2 alternative content after the first dash by the following.
--- Small test shown in Fig temperature 101 refers to any portion of the energy at the touch-safe transformers housing shall not exceed.
• If made of metal, it was 50 ℃;
• if made of other materials, compared with 60 ℃.
16 Mechanical strength
In addition to the following, GB 19212.1-2008 This clause applies.
16.1 replaced with the following piece of paragraph 2.
Meets the requirements of transformers in the vertical, should be checked by experiment 16.2; mobile transformer, as applicable, and should pass
16.2,16.3,16.4 and over 16.101 experiments to test.
The chapter following is added.
16.101 Furthermore, the transformer should withstand the following tests.
As shown in Figure 102, the transformer mounted on the facing brick, stone, concrete, brick like material or a solid wall steel strips
Drop impact test.
In millimeters
FIG transformer 102 disposed impact test
A steel bar is 40mm × 40mm × 5mm edge angle, fillet radius corners which is 5mm. Steel bars mounted on the wall,
Alternatively, if necessary, on a steel plate is fixed to the upper wall.
Hanging up transformer with a flexible cable or wire, it is at right angles to the steel strip when it is stationary. The fulcrum is located above the suspended steel bar 1m
Place. The transformer is pulled away from the direction perpendicular to the plane of the wall of the steel bar, until the stops at the raised 40cm.
So the transformer against falling steel bars. The shape of a cube or a plane parallel to the transformer body, each of the six faces of the impact of the transformer
Once; other shape transformer, the same each time the outer appearance of each impact.
If due to the shape of the transformer, when the steel plate is not equipped, transformer steel bars not strike, at this time, only need to install steel
Plate.
In addition, the transformer also allows to free fall from a height 40cm cement placed on a flat support surface to a thickness of at least 5mm steel
Board.
Means normal use as well transformer cable drop test was performed 10 times, when each drop different orientations of the transformer.
After the test, the transformer should not be damaged within the meaning of this range appear, especially live parts of the transformer can not become palpable
part.
17 to prevent dust, harmful solid objects and moisture into the protection
This chapter applies the GB 19212.1-2008.
18 insulation resistance, dielectric strength and leakage current
This chapter applies the GB 19212.1-2008.
19 structure
In addition to the following, GB 19212.1-2008 of this chapter apply.
GB 19212.1-2008 19.1 replaced by the following.
19.1 input and output circuits to be electrically isolated from each other. There can be no direct or indirect structure should be made between these circuits
Except when you intend to take by connecting the other conductive parts.
By visual inspection and measurement, taking into account the provisions of Chapter 18 and Chapter 26 to verify eligibility.
19.1.1 between the input winding and the output winding insulation should be made at least double insulation or reinforced insulation configuration. Further, the input winding and the shell
Between the insulating member, the insulation between the output winding and the housing should be composed of double insulation or reinforced insulation.
19.1.2 are not connected to the housing and having at the input the intermediate conductive member (e.g., core) between the windings and the output winding of the transformer,
Intermediate insulation between the conductive member and the input winding, the intermediate insulation between the conductive member and the output winding insulation should be composed of at least substantially.
NOTE. There is at least substantially insulated with input winding, output winding or housing spaced from the intermediate conductive member, and related components may be considered to be connected.
In addition, after the insulation between the input winding and the output winding of the intermediate conductive members should be double or reinforced insulation configuration; after the
Interlayer insulating insulation between the output winding and the housing between the housing and the input winding of the conductive member should be constituted of double or reinforced insulation.
19.16 Addition of the following.
In addition to the transformer output terminals, the degree of protection should meet the requirements of the housing IP4X or higher level.
Outdoor transformer should IP65/IP67 or higher level.
Meets the requirements, it should be determined by tests of Clause 17.
The chapter increased the following provisions.
19.101 should be no connection between the output circuit and protective earth.
19.102 should be no connection between the output circuit and the housing.
Shall be determined by visual inspection meets the requirements.
19.103 input and output terminals for external connection is arranged to be used such that the measurement between the conductors on the access point from the input and output terminals
Not less than 25mm. If the separator to ensure that this distance should be measured across the separator and the bypass, applying an insulating separator material
And permanently fixed to the transformer.
Compliance should be confirmed by visual inspection and measurement, without regard to the intermediate conductive members.
19.107 transformer should be class Ⅱ transformer.
19.108 transformer should not be fixed to the toy or toys packed in.
Shall be determined by visual inspection meets the requirements.
19.111 AC terminal of the output circuit of the transformer should be designed such that.
--- the output circuit when two or more transformers are connected together, and
--- when at least one of the transformer input circuit connected to the power grid, and
--- when at least one of the transformer input circuit is not connected to the power grid,
Not latch the voltage between the bare mains supply to the transformer should not exceed AC 33V.
Meets the requirements, to be connected to the output circuit when the rated output voltage, is determined by measuring the voltage between the bare pin.
20 components
In addition to the following, GB 19212.1-2008 This clause applie...
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