GB 4706.29-2008 English PDF

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GB 4706.29-2008: Household and similar electrical appliances -- Safety -- Particular requirements for portable induction cooker
GB 4706.29-2008
GB
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
ICS 97.040.01
Y 63
Replacing GB 4706.29-1992
Household and similar electrical appliances - Safety -
Particular requirements for portable induction cooker
ISSUED ON. DECEMBER 31, 2008
IMPLEMENTED ON. FEBRUARY 01, 2010
Issued by. General Administration of Quality Supervision, Inspection and
Quarantine;
Standardization Administration of the People's Republic of
China.
Table of Contents
Foreword . 4 
1 Scope .. 6 
2 Normative references . 7 
3 Definitions . 7 
4 General requirements . 9 
5 General conditions of test . 9 
6 Classification . 10 
7 Signs and instructions . 10 
8 Protection against access to live parts . 12 
9 Starting of electric appliance .. 12 
10 Input power and current . 12 
11 Heating . 12 
12 Blank .. 13 
13 Leakage current and electrical strength at operating temperature . 13 
14 Transient overvoltage .. 13 
15 Moisture resistance . 13 
16 Leakage current and electric strength . 15 
17 Overload protection of transformers and related circuits . 15 
18 Durability . 16 
19 Abnormal work . 16 
20 Stability and mechanical hazards . 17 
21 Mechanical strength . 17 
22 Structure .. 18 
23 Internal wiring . 20 
24 Elements . 20 
25 Power connection and external cord .. 21 
26 Terminals for external conductors . 21 
27 Grounding measures . 22 
28 Screws and connections. 22 
29 Electrical clearances, creepage distances and solid insulation .. 22 
30 Heat and flame resistance . 22 
31 Rust prevention . 22 
32 Radiation, toxicity and similar hazards .. 23 
Appendix . 24 
References . 25 
Figure 101 -- Containers for induction cookware test.8
Table 101 -- The volume of liquid in container.8
Foreword
All the contents of this part are mandatory.
This part shall be used in conjunction with GB 4706.1-2005 “Household and
similar electrical appliances - Safety - Part 1. General requirements” and its
revisions.
In this part, the part which is “applicable” indicates that the corresponding
provisions in GB 4706.1-2005 apply to this part; the part which is “replaced” or
“modified” shall be based on this part; the part which is “added” indicates that it
shall, in addition to the corresponding provisions of GB 4706.1-2005, also
comply with the provisions added in this part.
This part replaces GB 4706.29-1992 “Safety of household and similar electrical
appliances - Particular requirements for electromagnetic cookers”.
The main differences between this part and GB 4707.29-1992 are as follows.
1) The name of the part and the applicable product are different. This part is
entitled “Particular requirements for portable induction cooker”, which
defines that the applicable products are applicable portable induction
cooker, and the non-portable induction cooker shall be tested in
accordance with the requirements of GB 4706.22; GB 4706.29-1992 also
applies to non-portable induction cookers;
2) In this part, it adds the normative references in Clause 2;
3) In this part, it clearly defines the test container, load, test method, etc.
(3.1.9);
4) In this part, it introduces relevant definitions in Clause 3 (3.101 ~ 3.104);
5) This part defines that portable induction cookers shall be tested in
accordance with the requirements of motor-driven appliances (5.101).
The provisions of GB 4706.29-1992 stipulate that Clause 10 shall be
tested as the requirements of motor-driven appliances, and Clause 11
shall be tested as electric appliances.
6) Clause 13 requirements and test methods are different;
7) The requirements and test methods for Clause 15 overflow tests are
different (15.2);
8) Clause 16 requirements and test methods are different;
9) In this part, it cancels the durability test (Clause 18 does not apply);
Household and similar electrical appliances - Safety -
Particular requirements for portable induction cooker
1 Scope
This clause of GB 4706.1-2005 is replaced by the following.
This part is applicable to portable induction cookers for household and similar
purposes the rated voltage of which does not exceed 250 V. The
electromagnetic heating part in gas and electric combined household and
similar cookers shall comply with this part.
Practically speaking, this part deals with the usual dangers posed by appliances
that are encountered by all persons in and around the residence.
However, this part generally does not consider.
- The use of appliances by unsupervised young children and disabled
persons;
- Children play with the appliance.
Note 1. Note the following.
- Some additional requirements may be required for appliances intended for
use on vehicles, ships or aircraft;
- In many countries, the additional requirements are regulated by the national
health care department, the department responsible for labor protection,
the national water supply department and similar departments.
- For measurements involving electromagnetic compatibility and
electromagnetic radiation, it requires to refer to relevant standards.
Note 2. This part does not apply to.
- Appliances used in special environments, such as corrosive or explosive
environments (dust, vapor or gas);
- Appliances intended for commercial use (but some of the requirements can
be referred to by these devices);
- Microwave oven (GB 4706.21);
The hotplate which heats at least one metal container by eddy current.
Note 1. Eddy currents are induced at the bottom of the vessel by the
electromagnetic field of a coil.
3.102
Induction cookers
A portable appliance equipped with at least one induction hotplate.
3.103
Cooking zone
The indicated area on the surface of the appliance where the container is placed
when heating the food.
Note. When a hotplate projects from the induction hotplate, the surface is the
cooking area.
3.104
Touch control
A controller that is started by the contact or proximity of a finger while the
contact surface moves little or not at all.
4 General requirements
This clause of GB 4706.1-2005 is applicable.
5 General conditions of test
This clause of GB 4706.1-2005 is applicable except as follows.
5.2 ADD.
Note 101. If the test of 15.101 is required, it needs to add three samples.
5.3 ADD.
If it is clear from the structure of the appliance that a functional test is not more
severe than the test of another function, the test of this function does not need
to be carried out.
5.6 ADD.
For appliances with appliance receptacles and appliances partially or
completely immersed in water during cleaning, the instructions shall state that
the connector must be removed from the appliance before cleaning and the
appliance receptacle must be wiped dry before the appliance is used again.
For appliances that use connectors with temperature controls, the instructions
shall state that they must be used with the mating connector.
For appliances intended for outdoor use, the instructions shall include the
following.
- Appliances suitable for outdoor use;
- It is necessary to check the power cord regularly for damage. Do not use
the appliance if the power cord is damaged.
- The appliance must be powered by a residual current breaker (RCD) rated
at no more than 30 mA;
- The appliance shall be connected to a socket with a grounding pin (for
category I appliances).
For appliances with non-...