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GB 4706.108-2012: Household and similar electrical appliances -- Safety -- Particular requirements for heated carpets and for heating units for room heating installed under removable floor coverings
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Household and similar electrical appliances -- Safety -- Particular requirements for heated carpets and for heating units for room heating installed under removable floor coverings
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GB 4706.108-2012
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Basic data | Standard ID | GB 4706.108-2012 (GB4706.108-2012) | | Description (Translated English) | Household and similar electrical appliances -- Safety -- Particular requirements for heated carpets and for heating units for room heating installed under removable floor coverings | | Sector / Industry | National Standard | | Classification of Chinese Standard | Y63 | | Classification of International Standard | 97.100.10 | | Word Count Estimation | 31,361 | | Quoted Standard | GB 1406; GB/T 1804; GB/T 2423.2; GB/T 2423.8; GB 3667; GB 4208; GB/T 5169.5-1997; GB/T 5169.11; GB/T 5169.12; GB/T 5169.13; GB/T 5169.16; GB/T 7153; GB/T 12113-2003; GB/T 14472-1998; GB/T 16935.1-1997; IEC 60664-1; GB 17465.1; GB 17465.2; GB/T 17626.2; GB | | Adopted Standard | IEC 60335-2-106-2007, IDT | | Regulation (derived from) | National Standards Bulletin No. 28 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 relates to the following security appliances: electric carpets and similar appliances, intended for direct installation in the room removable bottom floor coverings, and secured the heating device for heating the room. Single-phase d | GB 4706.108-2012: Household and similar electrical appliances -- Safety -- Particular requirements for heated carpets and for heating units for room heating installed under removable floor coverings
---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.
Household and similar electrical appliances.Safety.Particular requirements for heated carpets and for heating units for room heating installed under removable floor coverings
ICS 97.100.10
Y63
National Standards of People's Republic of China
Household and similar electrical appliances - Safety
Electric carpet and mounted on a movable floor
Under the covering for heating room
Particular requirements for the heating apparatus
(IEC 60335-2-106.2007, IDT)
Published 2013-09-01 2012-11-05 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China issued
Table of Contents
Introduction Ⅲ
Introduction Ⅳ
1 Scope 1
2 Normative References 1
Terms and definitions 1 3
4 General requirements 2
General conditions for 5 tests 2
6 Category 2
7 Marking and instructions 3
8 Protection against access to live parts 4
9 start electric appliances 4
10 Power input and current 4
11 5 fever
12 Void 6
Leakage current and electric strength at the operating temperature of 6 13
14 Transient overvoltages 6
15 Moisture resistance 7
16 Leakage current and electric strength 7
Overload protection of transformers and associated circuitry 17 7
18 Endurance 7
19 Abnormal operation 9
10 20 Stability and mechanical hazards
10 21 Mechanical strength
Structure 12 22
Internal wiring 13 23
24 element 13
25 and the external power connection cord 13
An external lead terminal 26 with wiring 14
27 for earthing 14
Screws 28 and 14 are connected
Clearances 29, creepage distances and solid insulation 14
30 heat and fire 14
31 rust 16
32 radiation, toxicity and similar hazards 16
Appendix 24
Reference 25
FIG heating means 101 arranged in FIG. 16 Test
FIG test apparatus 102 electric arrangement of Figure 17 is only used on a concrete floor or the like
The flexible member 103 in FIG leakage current and electric strength measuring arrangement 18 of FIG.
Mounting jig 19 of the stylus 104 of FIG.
105 triple folding test arrangement in FIG. 20
Heating element 106 and the internal wiring of the bending test apparatus 21 of FIG.
Spark ignition test apparatus 107 of FIG. 22
FIG detail template 23 108
Table 101 maximum temperature rise 6
Foreword
All technical contents of this section is mandatory.
GB 4706 "and similar household electrical appliances," it consists of several components, Part 1 General Requirements for the other parts of special
Claim.
This section is part of the 108 GB 4706.
This section drafted in accordance with the rules GB/T 1.1-2009 given.
This section is equivalent to using IEC 60335-2-106.2007 "Household and similar electrical appliances - Safety - Part 2-106. electric carpet and
Installation beneath thereof covering the special requirements for the electric heating means for heating the room in the movable floor. "
This section should GB 4706.1-2005. with "safe 1 Household and similar electrical appliances General requirements."
This section is formed by addition or modification of GB 4706.1, stated "applicable" section, showing the corresponding provisions apply GB 4706.1
In this section; stated part, places the provisions of this section "instead of" main; write "Edit" section, corresponding provision represents 4706.1 GB
The content - the contents of this section after the modification, and the other of the provision is still applicable; states "addition" part, showing in addition
To comply with the corresponding provision of GB 4706.1, this section shall comply with the provisions of the increased.
This section following editorial changes made to IEC 60335-2-106.
A) "Part 1" be replaced by "GB 4706.1";
b) with a decimal point "." instead of as the decimal comma "."
GB 4706.1 terms of increased numbered starting from 101.
Consistency correspondence between the international normative documents referenced in this section of the following documents.
--- GB/T 2099.1-2008 plug and socket for household and similar purposes - Part 1. General requirements (IEC 60884-1.2002,
MOD).
This section was proposed by China Light Industry Federation.
This part of the jurisdiction of the National Standardization Technical Committee appliances (SAC/TC46).
This part of the drafting units. China Electric Apparatus Research Institute, Anhui Anze Electrical Co., Ltd., Chengdu Rainbow Electric (Group) Company Limited
Division, Guizhou electropositive warm color Technology Co., Ltd., Jilin Province Product Quality Supervision and Inspection Center, Guangzhou Institute of CVC detection technology.
The main drafters of this section. Xu Yanrong, Cheng Nailiang, Yin Hua, Li Zheng Yong, Liang Xi, Li Guangming, Wang Qiwu, Wei Qiyao.
Introduction
It has been assumed in the drafting of this section, a person appropriately qualified and experienced to implement the provisions of this section.
This portion is recognized that the use of household electrical appliances and the like under normal conditions noted when the manufacturer's instructions for the appliance
A dangerous international acceptable level of electrical protection, mechanical, thermal, radiation and fire. It also includes the possible use expected
Abnormal circumstances, and taking into account electromagnetic interference affect the way for the safe operation of the appliance.
In developing the present section has been considered as the requirements of GB 16895 in order that the electrical appliance when connected to the grid
It requires wiring rules harmonization.
If a number of functions involving other appliances special standards GB 4706, and as far as is reasonable in the circumstances, the relevant
Special requirements of the standard to be applied to each function separately. If applicable, taking into account the influence of one function to other functions.
If no additional requirements - Part 2 Part 1 to cover the risk mentioned in Part 1 apply.
Note 1. The meaning here is the focal point responsible for the second part of the standard technical committee has decided. it's the equipment, in addition to general requirements, it is not necessary regulations
special requirements.
This part is a matter of security appliance product family standards, and standards covering at the same level as in the same category and the same subject
In priority.
Note 2. As in the development of IEC 60335 series of standards of general and special requirements of this factor has been considered dangerous, so dangerous and cover the same level
Standard in the same category do not apply. For example. the surface temperature requirements of many appliances, except for Part 1 or Part 2 standard, the same type of
Standards such as ISO 13732-1 standard applicable to hot surfaces do not apply.
An appliance that complies text of this section, when examined and tested, found to have other features that will be covered by the requirements of this damage
And when the level of security, it will not be considered to comply with the safety guidelines in this section.
When the material form and product structures other than specified in this part, then the product is intended to be in accordance with those requirements into
Line inspection and testing. If found to be substantially equivalent, may be sentenced them to comply with the safety principles in this section.
Household and similar electrical appliances - Safety
Electric carpet and mounted on a movable floor
Under the covering for heating room
Particular requirements for the heating apparatus
1 Scope
GB 4706.1 This chapter replaced by the following.
This section deals with the safety of the following appliances.
--- electric carpets and similar appliances;
--- intended for direct installation is movable in the room below the floor covering material, and heating means for heating a room to be used for fixing.
It means a single-phase rated voltage not exceeding 250V, the rated voltage of the other device does not exceed 480V.
101 Note. as the movable floor covering material Examples thereof include. a laminate carpet or vinyl flooring fixed combination.
102 Note. Note the following conditions.
--- In many countries, different wiring rules apply;
--- intended for use on vehicles, vessels or aircraft equipment, additional requirements may be necessary;
--- In many countries, national fire station, building a national planning department, national health authorities, the national labor protection department
And similar authorities specifies additional requirements for appliances.
103 NOTE. This does not apply to.
--- designed specifically for industrial use appliances;
--- appliance intended for use in a corrosive or explosive gases (such as dust, vapor or methane gas) locations where special conditions;
--- blankets, pads and similar flexible heating appliances (GB 4706.8);
--- heating mats warm Foot (GB 4706.80);
--- film heating system permanently bonded together with the floor of a building (GB 4706.82);
--- flexible heating element together with other appliances.
2 Normative references
GB 4706.1 of this chapter except for the following content, are applicable.
increase.
IEC 60884-1.2002 Household and similar plug and socket - Part 1. General Requirements (Plugsandsocket-outletsfor
householdandsimilarpurposes-Part 1. Generalrequirements)
3 Terms and Definitions
GB 4706.1 of this chapter except for the following content, are applicable.
3.1.9 increase.
The resistance heating means mounted in the insulating layer of about 0.1m2 · K/W below, to which current will vary with the length of the electrical heating element
And an electric heating device to other electric power supply apparatus capable of loading devices, an electric current through the device is equal to that indicated on the heating element
current values.
3.101
Heating means heatingunit
Heating elements are connected with the power supply device.
3.102
Modular electric apparatus modularheatingunit
Preform heating means and other components of the material.
3.103
Electrode electrode
Combined with a film with the heating element for heating the material to provide a conductive member connected to the power supply.
3.104
The flexible member flexiblepart
Intended to fully or partially mounted below the floor covering material, the heating element, thermostats and all other current carrying parts together to form a fixture
The layers of permanent coat.
NOTE. This flexible member may be provided with a detachable coat.
3.105
Controlled appliance controledappliance
Temperature sensitive means in the appliance interior flexible member, the apparatus automatically under normal operating conditions varies with temperature regulation mean input
power.
4 General requirements
GB 4706.1 of this chapter apply.
General conditions for 5 tests
GB 4706.1 of this chapter except as follows, are applicable.
5.2 Addition.
The layered electric carpet, a tool for additional subjected to the test of 22.103.
For the heating means subjected to the test for additional two appliances of 18.102. For coating or a printed circuit having electric heating elements mounted
Set, subjected to the test for additional two appliances of 21.102.
After heating for carpet with a wear indicator (such as discoloration), the required fabric layer after removing worn or visible indication of a dedicated sample
21.104 11,13,18,19.2,19.101,21.101,21.102,21.103 and subjected to tests.
101 NOTE. 21.101 and 21.104 tests can be performed on a few additional separate tool.
5.3 Addition.
101 NOTE. 21.101 tests can be performed together with the conditions of 18.102.2.
5.6 Addition.
The indoor or outdoor air temperature sensitive thermostat shorted. However, if the thermostat may be set to non-operation, it is not short-circuited.
101 NOTE. For the electronic controller, the sensing element may be desirable to set the short-circuit does not work in place of the thermostat.
5.10 Addition.
Heating means for tailoring required, the test should be conducted after connecting power leads and instructions required by each edge to protect.
Category 6
GB 4706.1 of this chapter except for the following content, are applicable.
6.1 Addition.
If the classification electrothermal apparatus, the corresponding requirements apply.
6.2 Addition.
Water heating means and the other level of the floor-mounted member is at least IPX7.
Waterproof grade electric carpets and similar appliances should be IPX7.
101 NOTE. This does not apply the power cord plug to the appliance controller or mounted on a wall.
7 Marking and instructions
GB 4706.1 of this chapter except as follows, are applicable.
7.1 Review.
Sign rated input current or rated replaced by the following.
Heating means should be marked at 20 ℃ rated power input and the maximum rated current for the electric heating means may be cut mark length per meter
Rated input power degree.
If the following conditions, the maximum current electric apparatus shall be marked.
--- current may vary according to the length of the heating device;
--- Other electric devices by the electric power supply apparatus.
Appliance shall be marked with a removable controller serial number or other identification to the Controller.
increase.
Heating means shall be marked laying direction, unless they are symmetrical.
0.5m length of each section or each heating element can be cut into a region of electric devices should be repeated at least once flag.
Can be cut to the necessary shearing and heating means at a predetermined position should give the appropriate identification.
Only intended for electric heating means is mounted on a floor of concrete or similar material should be permanently marked following.
To avoid fire, this heating means can only be installed on a concrete floor or the like.
7.12 Addition.
Instructions shall contain the following.
The apparatus for indoor use.
For electric carpet with a wear indicator (e.g., color change), the instructions should be clearly indicated and use may become visible when the indication
When we must take measures.
modify.
It does not require physical decline, sensory impairment or mental retardation, or lack of experience and knowledge of people (including children) to use appliances and utensils children play
The situation will be explained.
7.12.1 increase.
Installation instructions shall include the following.
Description a) mark, if required.
b) heating means mounting details.
● Precautions during installation to avoid damage to be taken;
● should be noted that the size and distance;
● declaration electric apparatus must be separated from other sources of heat;
● described electric device mounting region;
● The guidance should be how to avoid the relative motion of damage to the heating device and its boundary after installation;
● heating apparatus may be installed minimum ambient temperature;
● minimum bending radius of the heating elements, if applicable;
● To avoid the electric heating elements from the crease preventive measures to be taken;
● statement electric apparatus can not be installed on an uneven surface;
● declaration electric apparatus must be installed in the correct orientation, if applicable;
● statement wiring installation must comply with national regulatory requirements;
● It is recommended to install a device on the electric rated residual operating current not exceeding 30mA residual current operated protective device
(RCD);
● how to interconnect electric apparatus, and given cross-sectional area of the wire type, if applicable.
c) when another electric device powered by the electric heating means or when the electric current as the length of the device is changed, allowing
Allowable maximum current flowing through the heating apparatus.
d) list of controllers, including statements. the appliance can only use these controllers as part of the thermal protection system unless the controller is
And heating means assembled together.
101 Note. only necessary to ensure compliance with those listed in the controller necessary for this part.
e) all binder used in the specification.
f) the same level of detail and 7.101 tag is fixed in the vicinity of the power distribution board.
For 7.12.101 heating means may cut, the instructions for use should be noted. To avoid danger, only the intake by the manufacturer or service agent
Line installation work.
7.14 Addition.
Only intended for electric heating means mounted on the floor of concrete or similar material, at least the height of the font flag should be 20mm.
7.15 Addition.
Intended for heating only be installed in concrete or similar device on a floor material, which flag during installation should be visible.
7.101 should provide a label (see 7.12.1f)) to each apparatus, the tag comprising heating means for mounting listed should have
interval.
--- manufacturer or responsible vendor's name, trade mark or identification mark;
--- appliance model or serial number;
--- rated input power.
Label should be given the following.
--- mounting location of heating means;
--- not restrict the floor heat dissipation.
Note. Special purpose be declared on the label.
--- You can not use non-recommended fixed material;
--- not insert nails or screws.
Compliance is checked by inspection.
8 Protection against access to live parts
GB 4706.1 of this chapter apply.
9 start electric appliances
GB 4706.1 of this chapter do not apply.
Power input and current 10
GB 4706.1 of this chapter except for the following content, are applicable.
10.1 increase.
101 Note. This requirement also applies to the rated input power per meter length of the heating element.
10.101 appliance for heating means comprises a PTC heating element with which the input power with an increase in temperature should be significantly
cut back.
Compliance is checked by the following test.
The appliance at rated voltage, and operates in normal operation, when the steady state is established, the input power should be reduced to the initial value
50% less, the operation of the controller may be any short-circuit in the process.
11 fever
GB 4706.1 of this chapter except as follows, are applicable.
11.1 increase.
Tests at ambient temperature is maintained within ± 2 ℃ 20 ℃ for a room.
11.2 Replacement.
Other means intended for electric heating can only be installed in concrete or similar device placed on the floor materials according to the requirements of 11.2.103,
And an electric carpet is mounted above the floor, in accordance 11.2.102 of placing.
If a modular electric apparatus equipped with a separate floor thermostat sensor, the sensor should be installed in adjacent heating device
One above.
--- on the center line, or
--- according to the manufacturer's instructions for each use,
However, the heat insulating material region extending 300mm ± 50mm, at least 300mm and starting from each side of the test bed.
For other electric apparatus provided with a thermostat with a separate floor sensor, the sensor should be installed in.
--- center line heating device, or
--- according to the manufacturer's instructions for each use,
However, the heat insulating material region extending 300mm ± 50mm, at least 300mm and starting from each side of the test bed.
11.2.101 plurality of electrothermal apparatus by the setup instructions, which are arranged in a matrix form, an electric device to be tested in the center
position.
11.2.102 appliance should be positioned as shown in FIG. 101 on the test floor, the thermal resistance of a layer of about 5m2 · K/W insulating material is placed again
Test floor surface below.
At least on the test floor surface should be free space of 1.5m.
The thermal resistance of an approximately 1.25m2 · K/W module of the heat insulating material on the floor, across the intermediate portion of an electric apparatus 101 in FIG.
Fig. Insulating material length 0.8m, width.
--- 0.8m, for electric carpet;
--- equal to the width of the heating means, means for heating.
Note. To measure the maximum temperature rise of the floor, it may be noted with the use of the provisions covering the thinnest material to repeat the test.
11.2.103 intended only be installed in concrete or similar material on the floor heating device 102 according to FIG placed on the floor as shown in the test, the
Resistance of about 2.5m2 · K/W electric insulating material on the following apparatus. Thickness of at least 40mm layer of concrete supporting heat-insulating material
Material, if not pouring concrete, the concrete layer may be made of a size of 500mm × 500mm, thickness of 40mm multilayer concrete slab
Composition, the gap between the plates filled with dry sand.
At least on the test floor surface should be free space of 1.5m.
The thermal resistance of an approximately 1.25m2 · K/W module of the heat insulating material on the floor, across the intermediate portion of an electric apparatus 102 in FIG.
Fig. The length of the heat insulating material was 0.8m, a width equal to the width of the heating apparatus.
11.3 increase.
With a thermocouple to measure the temperature of the carpet simulate thermocouple attached to black to a size of 65mm × 65mm × 0.5mm of
The back surface of copper or brass sheet.
11.4 increase.
Controlled instrument for work in the most unfavorable voltage between 0.94 times and 1.06 times the rated voltage under normal operating conditions.
11.7 Replacement.
The appliance is operated until steady conditions are established.
11.8 increase.
Measuring the temperature rise should be given point table 101, should not exceed a predetermined value. Should be measured at a distance to the insulating material, i.e., from at least the heat insulating module
Each side of the material temperature at each point of 100mm.
Table 101 the maximum temperature rise
Place
Temperature Rise
Layer of insulating material on the surface 0.1m2 · K/W or electric carpet
Wood frame test
22 (60)
60 (60)
Note. values in parentheses in the module with temperature limits of the insulation material.
12 Void
Leakage current and electric strength at the operating temperature of 13
GB 4706.1 of this chapter except for the following content, are applicable.
13.1 increase.
Appliance installed in accordance with the provisions of 11.2.
Take two dimensions sufficient to completely cover the area of heating up a metal foil or a layer of electrically insulating material attached to 0.1m2 · K/W is
Heat the carpet, an instrument is inserted into the following, the two metal foils electrically connected together. The negative uniformly about 35kg/m2 distribution
Contained in the layer of insulating material is placed 0.1m2 · K/W above.
Figure 103 is arranged as shown in FIG.
13.2 increase.
A leakage current between the measuring electrode and the metal foil, a barrier, and the other grounding device to be disconnected in any of the power supply.
Instead of the predetermined value, the leakage current should not exceed 1mA/m2.
101 Note. If the total leakage current value exceeds 10mA, it may require special cabling installation according to national regulations.
102 Note. These leakage currents normally appliances mostly capacitive leakage.
13.3 Review.
The flexible member, the test voltage should be applied between the charging member and the metal foil.
14 transient overvoltage
GB 4706.1 of this chapter apply.
15 Moisture resistance
GB 4706.1 of this chapter except as follows, are applicable.
15.1 increase.
Tested directly on a heating device.
15.1.1 increase.
IPX7 heating means shall be immersed 72h.
16 Leakage current and electric strength
GB 4706.1 of this chapter apply.
Overload protection of transformers and associated circuitry 17
GB 4706.1 of this chapter apply.
18 Endurance
GB 4706.1 This chapter replaced by the following.
18.101 from the power leads and the heating element is connected to the interconnection cord should be reliable.
By 18.101.1 or 18.101.2 (if applicable) test to determine eligibility.
18.101.1 for electric apparatus with a coating or a printed circuit heating element, the heating temperature in the heating apparatus 20 ℃ ± 2 ℃ of
Box, and a supply voltage so that a current equal to the target current value in the heating device, or equal to the rated current value (if applicable), and even each measurement
Then the voltage drop.
NOTE 1. The length of the heating device should be as short as possible, but not less than 0.5m.
Note 2. heating means can not be moved into the tank after the heating.
NOTE 3. If the crimp connector to connect, and should be measured between the connector and the heating element between the supply lead and the connector, the measuring point
A...
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