title>GB 4706.37-2003 Safety of household and similar electrical appliances - Particular requirements for commercial single-sided and double-sided electric heating pans - GB 4706.37-2003 - Chinese standardNet - bzxz.net
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GB 4706.37-2003 Safety of household and similar electrical appliances - Particular requirements for commercial single-sided and double-sided electric heating pans

Basic Information

Standard ID: GB 4706.37-2003

Standard Name: Safety of household and similar electrical appliances - Particular requirements for commercial single-sided and double-sided electric heating pans

Chinese Name: 家用和类似用途电器的安全 商用单双面电热铛的特殊要求

Standard category:National Standard (GB)

state:in force

Date of Release2003-05-02

Date of Implementation:2004-01-01

standard classification number

Standard ICS number:Environmental protection, health and safety >> 13.120 Household products safety

Standard Classification Number:Electrician>>General Electrician>>K09 Health, Safety, Labor Protection

associated standards

alternative situation:Replaced GB 706.37-1997; replaced by GB 4706.37-2008

Procurement status:IEC 60335-3-38:1994, IDT

Publication information

publishing house:China Standards Press

ISBN:155066.1-19743

Publication date:2004-01-01

other information

Release date:1997-11-25

Review date:2004-10-14

drafter:Zhang Chengbin, Zhang Chunsheng, Xia Xiaoli, Zhan Yulan, Hong Yongping

Drafting unit:National Food Service Machinery Quality Supervision and Inspection Center

Focal point unit:National Technical Committee for Standardization of Household Electrical Appliances

Proposing unit:China General Chamber of Commerce

Publishing department:General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China

competent authority:China Light Industry Federation

Introduction to standards:

GB 4706 This part deals with the safety of commercial single-sided and double-sided electric hot plates that are not for household use. For single-phase appliances connected to a phase line and a neutral line, the rated voltage shall not exceed 250V, and for other appliances, it shall not exceed 480V. The electrical parts of appliances that use other forms of energy are also within the scope of this part. This part deals with the common hazards caused by such appliances from a practical point of view. GB 4706.37-2003 Safety of household and similar electrical appliances Particular requirements for commercial single-sided and double-sided electric hot plates GB4706.37-2003 Standard download decompression password: www.bzxz.net

Some standard content:

All technical contents of this part of B476 are mandatory. GA47Q6.37-2003/TEC60335-2-38:1994 This part is equivalent to 1EC6033-3-35:1994 Requirements for the use and use of electrical appliances for commercial use, Part 2, Special requirements for single and double electric heating pans, Third Edition> and its fasteners No. 1 (1S96). This part is a subscription to GB4706.3719S7. This part should be used in conjunction with GB 4706.1-139, Safety of Household and Similar Electrical Appliances, Part I, General Requirements. In the technical part, the part marked "applicable" + indicates that the corresponding text of GB 4706.1-1998 applies: the part of this part marked with the date "modified" shall be subject to the provisions of this part: the part of this part marked with the date "modified" indicates that the relevant content of the corresponding provision of GB 1706.1-18S8 shall be based on the content of the revised part, while the other contents of the provision shall still apply; the part of this part marked with "added" indicates that in addition to complying with the corresponding provisions of GB 4706.1-1998, it also complies with the text added in this part. In terms of technical content, the main differences between this part and GB 4706.37-1997 are as follows: With regard to the scope of application, the provision that this part does not apply to appliances equipped with a source of voltage is added (Chapter 1 of this edition) + - added Definition of installation instructions (8.2.113 of this edition) #--Added provisions on the use of protective devices when the appliance is installed in combination with other appliances or fixed on the installation wall (4.10 of this edition)
There are differences in the provisions on the test conditions of appliances equipped with motors (4.01 of 197 edition: 4.101 of this edition) Added the provisions on equipotential graphic symbols and marking equipotential equal signs (7.192 of this edition) 1--Added relevant provisions on appliances with glass ceramic or similar material surfaces (7.12 of this edition, 15.1.21.101) Added the specific provisions on the contents of the instruction manual (7.12.1 of this edition): Added the relevant provisions on the marking of submerged residues on some appliances or detachable parts that are exposed to water (7.1C3 of this edition) Added the provisions on the extended start-up time of motor products that may cause danger; Cancelled the provisions on the motor running test except for the reduced windshield case In addition to the test, the other test contents are motors (9.1 of the 1997 edition): Added relevant provisions for the test of electric heating elements with a mass of less than 100 kg and without rollers or similar devices (11.2 of this edition); Added provisions on how to equip the electric heating elements during the test, and if the temperature rise of the electric, transformer or electronic circuit exceeds the limit, then the test shall be carried out at a single point under a constant voltage multiple of 1 ton (11.4 of this edition); Added relevant provisions on the equipment equipped with water injection or water washing switches: it should be impossible for the exposed water to contact the live parts (15.101 of this edition); Added relevant provisions on the equipment that is intended to be partially or completely washed in water or the electrical components to be disassembled, and sufficient protection should be provided against the influence of water (15.102 of this edition); Cancelled the content on the test of the resistance of electric components, and added relevant provisions on the test of the surface thermal stress of glass or American-made materials of the equipment (18 of the 1997 edition Chapter: This edition, Section 18) Canceled the requirement in the abnormal working test that the terminals subjected to 1000C0T working cycles should not be short-circuited during the test (19.4 of 1997 edition; 19.4 of this edition) Canceled the requirement that the creepage distance and electrical clearance should be increased by 5U% to meet the relevant protection requirements (2.131.1 of 1997 edition: 32.101 of this edition) --- Added the requirement on The thermal circuit breaker should be able to completely disconnect from the power supply, and the relevant requirements and tests for the ball-head type and capillary type thermal circuit breakers are new (this edition 22.102);
· Added the provisions on the red skin of the simulated signal light, etc. (this edition 22.103); Added the provisions on portable devices that can prevent objects on the surface or the surface from penetrating the bottom surface and causing danger (this edition 22.104)
GB4706.37—2003/IC 60335-2-38:1994 adds the provision that the outermost connection of the double-sided electric heating device connected with the stop chain should be lowered (22.1C5 of the 1997 edition); adds the provision on the thermostat-capillary tube related bending test (23.3 of this edition); adds the provision that the wiring terminals for permanent connection and fixing, if applicable to the power connection type × connection, should be equipped with a line fixing device (25.3 of this edition); cancels the provision that the anti-spray type should not be equipped with an inner thread of the input socket (25.3 of the 1997 edition); there is a difference in the glow wire test temperature in Appendix K (1997 edition). Chapter 30 of the 2008 edition (30.2.1 of this edition) adds instructions on the appliance being deemed to be operated unattended (30.2 of this edition). Notes on the level of working conditions with dynamic loads (30.3 of this edition) are added. Relevant provisions on the ignition test of grease adsorption filters are added (30.11 of this edition). The non-title characters in the text of this part are defined in Chapter 2. The attributes of the appendix of this part are in accordance with the provisions of the appendix attributes in GB 4706.1-1998. The articles, explanations and diagrams added to this part are numbered from 101. This part is also proposed by the China Federation of Commerce. This part is under the jurisdiction of the National Technical Committee for Standardization of Electrical Appliances for Commercial Catering and Industrial Service Equipment. The drafting unit of this part: National Catering Equipment Quality Supervision and Inspection Center. The main authors of this part are Zhang Shibin, Zhang Qisheng, Xia Xiaoli, Qing Xialan, and Hong Yongping. IEC Foreword
GB 4706.37-2003/EC 60935-2-38.19941>The International Electrotechnical Commission (IEC) is a global standardization organization composed of national committees (1E national committees). The mission of IEC is to promote international cooperation on all issues related to standardization in the electrical and electronic fields. To this end, in addition to carrying out its activities, it also frequently publishes international standards. The formulation of international standards is entrusted to technical committees. All IEC national committees interested in the relevant issues may cooperate with this project. International organizations, government agencies and private organizations that have contact with IEC may also participate in the cooperation between IEC and the International Standards Promotion Group (ISC) in accordance with the provisions of the agreement between the two organizations. 2 Formal resolutions or agreements on technical issues of IEC formulated by technical committees in which representatives of all interested national committees participate can express as closely as possible the international consensus on the relevant issues. 3> The published standards, technical reports and guidelines are provided for international use in the form of recommendations and are accepted by national committees in a comparative sense. In order to promote international cooperation, national proposals will try their best to include international standards in the application of national and regional standards. Any inconsistency between the international standards and the corresponding national or regional standards should be clearly pointed out in the latter. 5IEC does not provide for the purpose of certification nor does it endorse any equipment claiming to conform to any of its standards. This part of the International Standard IEC 61335 was prepared by Technical Committee 1: Safety of Household and Similar Electrical Appliances and Subcommittee 51E: Safety of Municipal Electrical Food and Beverage Service Equipment. It constitutes the third edition of IEC 61335-2-38 and replaces the first edition published in 1985. The text of this standard is based on the following documents: IEC(CO)123 Notice IEC(CO)127 For complete information on this standard, please refer to the table above. This second part should be used in conjunction with the latest version of IEC 61335-1 and its specifications. It is formulated on the basis of the third edition (11) of this standard. The second part supplements or amends the corresponding clauses of 1EC60335-1 to convert it into the EC standard: Safety requirements for commercial single-sided and double-sided electric heating devices. If the entry of the special clauses in the second part is in place, if the scope is reasonable, the clause will still be applicable. When "amendment" or "replacement" is added to this standard, the relevant text in the first part should be amended accordingly. Note: 13 The lower body is a reference to the economic Roman body. The reference is defined in the response rate. 21 The first part of the general terms and conditions, the explanations and the table are all recognized as 101 million confirmation numbers. 1 Scope
GB 4706.37—2003/[RC 60335-2-3:1994 Safety of electric springs for use with and similar purposes
Special requirements for commercial single-sided and double-sided electric heating pans
GB4706.The following content is in the 1998 edition: This part deals with the safety of commercial single- and double-sided electric heating devices for non-domestic use, for single-phase and medium-load single-phase appliances, the rated voltage of which does not exceed 250V and other appliances do not exceed 480V. These appliances are used in restaurants, high-quality shops, hospital rooms and commercial enterprises such as restaurants and canteens, and use other energy-saving appliances, and their internal gas parts are also within the scope of this part. The actual investment of this part exceeds the insurance premium of this device and the insurance premium is 2. The investment is also green. The necessary insurance requirements for the device are only allowed in the following ways: the additional requirements specified by the relevant authorities: the additional requirements specified by the relevant authorities, the additional requirements specified by the relevant authorities, and the additional requirements specified by the relevant authorities. This part does not apply to: appliances designed for industrial use!
It is a device for continuous operation in the production of food for large plants, which is intended for use in places where special conditions may occur, such as the presence of corrosive parts or explosive atmospheres (mild oxygen, steam or explosive gas). Electric ovens are used for baking noodles. 9
It is a device equipped with a preheating device.
2 Definition
The following clauses in H276, 1-199R are applicable to both domestic and foreign products. 2.2.4 This clause is added with the following content:
City: The rated input power is the total power of the appliance used simultaneously as a single element. When there are several such situations, the rated input power is determined by measuring the power consumption. 2.2.9 This policy is replaced by the following option: bzxZ.net
Normal operation
The appliance operates under the following conditions 1:
The appliance is operated in accordance with the manufacturer's instructions. The controller is adjusted to the temperature given below. The temperature is measured at the hot spot of each variable control surface.
The step controller is adjusted to the first position so that the temperature is equal to or greater than 275. The controller should be adjusted to achieve a half-temperature average of 275:1 during the heating cycle. If this temperature cannot be achieved, adjust the controller to the highest value, or turn it off, and collect the small profit. When the temperature is closed, use a high-temperature, low-thermal conductivity insulation board to connect the two sides, 100 mm apart, and the area is equal to the smaller baking area of ​​the two sides. For double-circuit electric salt blocks where the two pins are not controlled separately, adjust the controller to achieve the above set conditions on the directly controlled surface. When the two sides are controlled separately, the set conditions apply to both sides. The motor installed in the appliance shall operate in the intended manner under the most stringent conditions specified in the manufacturing instructions and in accordance with the intended conditions.
B4706.37--2003/1EC60335-2-39.:9942.2.101
Single-sided electric heating roddlle
An appliance intended to bake food by direct contact between one side of the food and a heating surface, 2.2.102
Double-sided electric heating roddlle
An appliance intended to bake food by direct contact between two heating surfaces at the same time, 2.2.103
Installation inslallatiowall
A special fixed structure containing supply facilities, applicable to various appliances installed in conjunction with the structure. 3 General requirements
(GH4715.1-1998) The following provisions apply except for the following. This chapter adds the following content:
Note 1C1: The straight line of the neutral or sparse base is electrical, (Australia) 4 General test conditions
This chapter of CB4705.1-18, except for the following provisions, is for use. 4.10 Equipment installed in a group of other equipment should be protected by the equipment that is installed in the installation to obtain protection against self-damage or harmful water ingress, and the equipment provided with it should be protected by the equipment provided with it. The relative resistance to expansion obtained by installing the appliance in accordance with the instructions for use may require appropriate fixings or additional belts for the purpose of testing. Even if it is equipped with a motor, it is still tested as an electric heating appliance. 4.101
4.102 Appliances combined with other appliances or equipped with other appliances shall be tested in accordance with the requirements of this standard. The other appliances shall be operated simultaneously in accordance with the requirements of the relevant standards.
If the entire appliance or a part of it is used for different functions covered by different standards, the relevant standards apply the respective requirements.
|4.13 Unless otherwise specified, the test conditions are applicable to both double-sided electric heating chains. 5 Vacuum
6 Classification
GR47>i.1-1999, except for the following content, all apply, 6.1 This clause is replaced by the following content:
For electric shock protection class, class T devices: pass regulatory inspection and related tests to determine whether they are qualified. Note: Class cI devices are only tested for certification, (use this) 6.2 This clause is added below,
Note 11, for devices installed in bright rooms: For installation high, it is required to fill in the figure and indicate the flow of the current must be equal to the price. (B.101 of the United States promotes the use of the case to avoid the increase of the pressure caused by the driving conditions. The end equipment should be divided into the following categories: a single-wave device
a device installed in a group of other devices. The Society: A month ago, for a device installed in a group of other devices, the marking and instructions in the equipment chapter of GB4706.1-1998 were required. Except for the following internal wear, all are used. 7.! The policy adds the following content:
In addition, the end equipment is marked:
GB 4706.37—2003/IEC 60335-2-38:1994 For appliances connected to a water source, the water pressure regulator is indicated by a, except for those already specified in the instructions for use: 7.6 This clause adds the following content:
Add the following symbol:
...Equivalent voltage (T5.2—1995-in21)
7.12 This clause adds the following content:
The original result group only has the appearance of glass, ceramics and similar materials for the protection of live parts. The description is the following warning points: "If this surface is broken, the power supply of the device or related parts must be disconnected immediately! If there is porcelain or similar materials, For appliances equipped with halogen lamps, the instructions should state that aluminum foil or plastic should not be placed on the surface of the appliance, and that no objects should be placed on the surface of the appliance. For appliances equipped with halogen lamps, the instructions should remind the user to avoid looking directly at the lamp. 7.12.1 This clause should be replaced by the following: Appliances should be accompanied by instructions that detail the special protective measures necessary for installation. Appliances intended to be installed in a group with other appliances and appliances fixed to the installation should be provided with detailed instructions on how to ensure adequate protection against electric shock and barriers. If the control devices of more than one appliance are combined in a single enclosure, detailed installation instructions should be provided. User maintenance, such as cleaning, should be provided. Appliances that are not intended to be cleaned by the user should be provided with instructions that explain that the connector should be removed when cleaning the appliance and the screen should be dried before use again. For non-stationary equipment and equipment with detachable electrical parts, if part or all of the equipment is not cleaned, the instructions shall state that the equipment or its parts shall not be washed with water. For equipment that is permanently connected online and whose leakage current may exceed 1U A, especially when it is disconnected or out of use for a long time, when the equipment is installed, the instructions shall be used to measure the installed protection device, that is, the reverse setting value of the self-reversing protection must be set. If the equipment is not separated from the anti-emission structure, the user shall be provided with clear and detailed instructions. The equipment shall not be cleaned with a jet of water every month.
Qualification shall be determined by inspection.
The following content is added to this matter:
7.101: When carrying out the test of Chapter 11, if the temperature rise of the test corner above the surface exceeds 65K, and/or when carrying out the test of Chapter 19, the temperature rise of the bottom plate or ceiling above or below the surface exceeds 125K, the manufacturer's installation instructions shall also include the following points, which shall also be included in the temporary label attached to the equipment, such as the type of equipment, such as the wall panel, kitchen equipment decorative panel, etc. The construction of these equipment and facilities is not in compliance with the standard: otherwise the bottom shall be covered with suitable non-heat-resistant material and the overall heat treatment plant shall be inspected to determine whether it is in compliance.
7.102 The equipotential bonding terminals shall be marked with the equipotential symbol (see 7.6). These markings shall not be placed on potentials that are required or that may be removed during connection. Compliance is checked by inspection.
7.103 When evaluating an appliance or electrical components intended to be partially submerged in water, the maximum depth of flooding shall be marked with the following warnings:
Do not allow water to exceed this line:
If there is any connection or interface, the appliance component may not be fully immersed in water. 1.1.112 If the equipment is not properly handled, the water line should be at least 5 cm below such contact or connection when the equipment and its parts are in a clean state. The compliance is confirmed by inspection and measurement. 3
GB4706.37-2003/EC61335-2-38,19948 For protection against touching live electrical appliances, the contents of this chapter in GB470.1-1993 are applicable. 9 Starting of electric appliances
5. The quality of the purchased motors shall meet the requirements of 1, and all the starting parts that may occur in actual use shall be tested by restarting the motor twice at times the rated voltage. At the beginning of the test, the motor is in a warm state. Each start-up should be carried out under conditions where the motor cannot start working normally. For automatic devices, it should be carried out under normal working cycle conditions. The motor can reach a stationary state between two consecutive automatic starts. If the motor is not equipped with a centrifugal starting switch, the above test should be repeated at 1.35 times the rated voltage. Under the above reverse conditions, the motor should be able to start and operate in a manner that does not affect safety, and its overload protection device should not operate. Test monitoring: The power supply voltage drop should not exceed 1% of the specified value. The input power and current are applicable to all vehicles except for the following provisions. 10.1 The following requirements are applicable to all vehicles except for the following provisions. Note: For devices with more than one heating element, the total input rate can be determined by the standard rate of each heating element in stages. (3. 2. 53
11 Heating
This chapter of GB4706.2-199 is applicable except for the lower speed internal pipe. 11.2 This clause adds underground connection:
Appliances with a mass of more than 40k fixed to the ground and similar appliances not equipped with heating elements shall be installed according to the "appropriate" instructions. If no instructions are provided, it is deemed that the appliance is not intended for general use on the ground. 11.4 This clause is replaced by the following:
The appliance is operated under normal operating conditions so that its total input power is 1.1 of the rated input power. If it is impossible to connect all the heating elements at the same time, each combination shall be tested under the conditions allowed by the relevant configuration. During the test, there shall be a load circuit that is consistent with the possible load of each configuration.
If the appliance is equipped with a controller that limits the total load power, the test shall be carried out with This controller is designed to apply the most severe temperature rise to the selected components.
If the rise of the motor, transformer or electronic circuit exceeds the limit value, the end of the appliance shall be tested again at a constant voltage of 06. In this case, only the source rise of the motor, transformer or electronic circuit is measured. 11.7 This clause replaces the above content with
the working temperature of the appliance in a stable state. 11.8 This clause adds the following content:
For the test corners and side walls: including the part installed in front of them, the limit of 65K temperature rise only applies below the height of the surface. If the value is exceeded above this height, the provisions of 7.101 shall apply. 12 Vacuum Chapter
13 Leakage current and electrical strength at operating temperature G Sequence 2705.1-7% This rate is applicable except for the following content. 4
13.2 This object The following content is to be amended:
The following content is used to represent the allowable value of the discharge current in vertical appliances: GA4706.37-2003/1EC60335-2-38:1994-Appliances with cords and plugs: Input power 1mA/kW according to the frequency rating of the appliance. Maximum value 10mA; other appliances: Input power 1mA/kW according to the color rating of the appliance. No maximum limit. 101, Discharge requirement The limit of the current is not a gap, (Japan) Deep increase in the cut into the inner wear:
When the appliance is equipped with Class II or blood-hazardous structural components, the leakage current of these components should exceed the value given in B4735, 1. 14 Space
15 Moisture retardation
In addition to the following inner wear in this chapter of GB47C6.2 1998, 15.1 of this clause is used for inner wear:
Intended to partially or completely Equipment which is not intended to be cleaned in water or any removable electrical parts thereof shall also be subjected to the test of 15.32. NOTE: Equipment which is not free-standing or has any removable electrical parts which are not marked with a large amount of water or which is used in a manner which prevents all parts from being completely flooded with water shall be regarded as equipment which is intended to be completely washed in water. 15.1.1 This clause adds the following content: In addition, IPXU, IPK1, IPX2, IPX3 and IPX4 equipment shall be subjected to the following water test: min. The test shall be carried out using the apparatus shown in Figure 101. During the test, the water pressure shall be adjusted to a level with the water rising from the surface to 150 mm. For equipment which is normally used on the ground, it shall be placed on the ground. For all other equipment, it shall be placed on a horizontal support surface 0 mm below the lowest edge of the equipment and then moved around the equipment so that water flows onto the equipment from all directions. Note that water shall not be directed toward the appliance and shall not be sprayed. 15.1.2 The following requirements shall apply to the following containers: Utensils that are usually used on the table shall be placed on a support surface with each side of the support surface larger than the front of the appliance on the support surface. 15.2 The following requirements shall apply to the following containers: The structure of the appliance shall be such that the electrical insulation will not be affected by the submersion of the appliance in normal use. The following requirements shall apply to the test specification for the reduced-volume container: One liter of cold water containing about 1% sodium chloride N1> shall be used for 1m, and the temperature shall be high. 15.3 The following test shall be carried out for all parts of the appliance. 15.101 Appliances equipped with a water switch for filling or cleaning shall be constructed so that the water flowing from the switch cannot contact live parts. Compliance shall be determined by the following test. The appliance shall be connected to a water source with a high water pressure as required by the manufacturer and the water inlet shall be fully opened. All movable and removable parts shall be tilted or placed in the most unpredictable position. The water switch may be placed in such a way that the water flows to those parts which are least likely to produce dust. The appliance shall be subjected to the electrical resistance test specified in 16.3. 15.102 Appliances or removable electrical parts intended to be partially or wholly immersed in water shall be adequately protected against the effects of water. Compliance shall be checked by the following test: The sample is operated under normal operating conditions, except that the service life control (if any) is adjusted to the local setting. The supply voltage shall be 1.15 times the rated input power. When the appliance has reached stable operating conditions or the cycle controller is started for the first time, disconnect the appliance or cut off the power supply and immediately immerse the sample completely in water at a temperature of 1°C. If a maximum depth is indicated, immerse the sample to the depth indicated. After immersion for 1 hour: gradually remove the sample from the water and dry it, taking care to ensure that all water is removed from its socket for at least 5 minutes. Then, according to the method specified in 16.2, measure the leakage current in the assembled battery according to its working principle. The adjusted current should not exceed the effective value specified in 15.2. After completing the above treatment and measuring the leakage current, the sample should be subjected to the electrical quantity test specified in 16.3, but the test voltage should be reduced to 1200V.
After inspection, the product is operated under normal working conditions for 10d (24h) at a power supply with a power input frequency of 15 times the rated power. During this period, the sample is cooled to room temperature at regular intervals for two times. After this stage, the connector of the sample is disconnected and the power is cut off. The sample is then immersed in water for more than 1h. The product is then dried and the leakage current is measured again according to the method described in 13.2. The flow rate before leakage shall not exceed the value specified in 16.2. The recommended sample shall be subjected to the electrical test as specified above. The test shall prove that no water has entered the appliance to any value.
: Whether the flow controller is water-proof, there are special electrical parts. 16 Leakage and electrical strength
This chapter in GB4706.11S98, except for the following content, is used in conjunction with 16.2. The content of this policy is modified as follows:
Use the following content: "The allowable value of leakage current for ordinary stationary equipment is for mosquito and loop current For the intended use of appliances: according to the rated input power of the appliance 2mA/kW, the limit value is 1CmA For other appliances: still the rated input power of the appliance 2mA/kW, the maximum limit is 101, the value of the leakage current is different: 11 This 1, add the following content
Note 102: For appliances and parts intended to be washed in hot water, before the point-to-point test voltage is applied, the equipment may be subject to a small comparison test, 17 Transformer and related circuit overload protection GB4735.18 Durability
18.1 The equipment with glass, ceramic or similar materials shall be subjected to the thermal stress that may occur in the following months. Compliance shall be determined by the following test case: The equipment shall be operated in a manner that all heating sources under the glass, ceramic or similar materials are energized at the same time. The double-sided electric heating pan is turned on and operated.
The control terminal is set to the maximum value, and the device is operated at a rated voltage of 1.10C for 1.0 cycles. Each cycle includes 0-10 minutes of power-on and 0-20 minutes of power-on. During the test, the temperature control or resistance is not controlled. After the last power-on period is over, the pin surface is immediately tested for water. During the test, the! 1. Cold water at a temperature of 10 to 15 °C is applied uniformly on the surface for 15 min to remove all excess water from the surface. After this test, the surface shall not crack or bulge. The appliance shall be subjected to the test of 16.3. 19 Abnormal operation
The meaning of GB 4706-198 applies except as follows. 19.1. Add the following content:
Any control component is not properly positioned and corresponds to the same function of the same part of the appliance, and these functions can be adjusted to an unfavorable position without regard to the manufacturer's instructions when using the same standard. 19.2 This clause adds the following content:
The controller is adjusted to the high setting value,
19.4 Set the following content:
131, when the voltage is connected or disconnected, the voltage stabilizer of the potential element is set at \ increase (m) \ position, if two typical loads are working during this period, the one who connects the same group of missing independent heads, then the head book is set at "on)" road. The following content is added to the nuclear system:
If the temperature of the plate or top plate exceeds 125K. The requirements of 101 apply, and the physical and mechanical hazards in GH470G, 1-1998 in this chapter are applicable. 21 Mechanical Channels
In addition to the following contents, the following additional contents are used in all the design chapters of GB4706.1-1998:
Note 10: For the impact chamber to be installed in different places, different impact energy can be used according to the degree of impact point: Figure 21.101 The surface of the glass ceramic or similar material should withstand the various stresses generated in normal use. The following test is used to determine the quality: The heating source under the glass ceramic or similar material surface is operated according to the first section: from the beginning to the establishment of the specified state. After the power supply is cut off, the following test is immediately carried out on the surface: a container with a bottom made of aluminum. The bottom is half-round within a diameter of 220 mm and 12 mm, and the common side is inverted into a circle with a diameter of at least 1D mm: the container is evenly filled with particles or small pieces, but the total amount is 4 kg: the container is placed on the surface at a height of 150 mm, and the test is carried out 10 times on any part of the surface, and the temperature is not kept within 20 m from the control. Then heat it according to the conditions of Chapter 11 and work again until the state is stable. After the power supply is cut off, immediately turn on 1+aL of cold water with a temperature of 15℃ and keep it on the surface evenly for 1 min: after 15 ur, remove all the remaining water, then let the device cool to room temperature, and add 1% cold water for 1 hour, pour it evenly on the surface. After 13 minutes, remove all the remaining water and connect the surface. After this test, the surface shall not crack or break, and the appliance shall have a test life of 16.5 years. 22.101 Appliances shall be protected so that moisture or grease cannot affect the creepage distances and the values ​​of electrical spacing. Compliance shall be verified by inspection. 22.102 Thermal circuit breakers for protecting motor circuits with thermal elements and for protecting motor circuits from accidental starting shall be non-self-locking, door-operated, and fully disconnected from the power supply. During the first test, the ball head and capillary type thermal circuit breakers, new appliances, etc. that operate during the first test shall comply with the requirements of 19.13: Compliance shall be verified by inspection, manual test and capillary inspection. Note that the person in charge shall be responsible for the circuit. 22.103 Signal lamps, switches or buttons for indicating danger, alarm or similar situations, shall be red only and shall be checked by inspection.
22.104 Portable heating appliances shall be designed to prevent the danger of objects on the table or on the ground from penetrating the bottom surface. GH 4706.37—2003/IEC 60335-2-38:1994 shall be checked and, if necessary, checked by testing. Note: For appliances without supports, if the two through-holes are connected to the ground, they are considered to meet the requirements. For appliances used on the ground, the height of 13mm is extended to 20m when powered. 22.105 Double-sided electric heating panels connected to the dining table shall be checked by applying a 29V voltage to the raised panel from the wrong position and direction. This surface should be depressed back to its working position:
type; even if the chain can open at least 1K angle by training, it will not undergo this test. 23 Internal layout
CB170%. The rate in 11998 is applicable to both internal and external 23.3 The following content is added:
The capillary of the thermostat has been bent in normal use: When it is used internally, when it is installed as an internal part of the line, GB4706.1 applies; the capillary of the sheep should be bent at a rate not exceeding 30 times/1, and the change is also 10. 1C1. If, under the above conditions, it is not possible to move moving parts of the device at the desired rate due to, for example, failure of the component, the rate of return may be reduced. After this test, the capillaries shall not show any signs of damage within the meaning of this standard or any damage that could impair their further use. However, if, at the very least, such damage renders the device inoperable (failure protection), the individual capillaries are no longer tested. The conformity of the components to the internal components is not checked. In this case, the capillaries are checked by breaking the capillaries into pieces. 62. Note that the high-voltage protection is not capillary closed. 24 Components
GB476.-1998, except for the following contents, all apply: 24.101 The terminal installed on the appliance shall not be equipped with a thermostat to confirm compliance through standard inspection.
25 Electrical control and external cord
G17061-18, except for the following contents, all apply. 25.3 This clause adds the following content,
Fixed appliances with a rated load greater than 40kH are not equipped with rollers or casters For appliances similar to these, the structure shall be as follows: The appliance shall be installed in accordance with the instructions for use: The power cord shall be connected to the power supply cord in conjunction with a fixed and permanent connection terminal, which may also be suitable for the X-type connection of the power supply cord. In this case, the appliance shall be equipped with a flexible fixed connection tube complying with the requirements of 25.16. The appliance shall be equipped with a set of buttons and straps for the described connection cord, which shall be suitable for the X-type connection found. In this case, the instructions shall give detailed information on the power supply cord. After passing the inspection, the content of 25.16 shall be modified as follows:
The following contents represent the specified power supply type: The power cord should be made of rubber or other synthetic rubber with equivalent protection (specified brand No. 57 in 69215)
26 The external conductor terminal is connected to the auxiliary
The contents of this chapter in GB4706.1-150% are applicable. 27 Grounding measures
The contents of this clause in GB4706.1-1998 are applicable except for the following contents. 27.2 This clause adds the following contents,
GH 4706.37—2003/IKC 60335-2-38:1994 Stationary appliances shall be equipped with a wiring connection to provide for the return of external conductors. The connection shall be in effective electrical contact with all fixed external parts of the appliance and shall be connected to conductors with a cross-sectional area of ​​13mm or more. Terminals shall be provided at the position where they are connected to the conductors. 10: Small external appliances, such as those manufactured and connected by the manufacturer, shall be provided with electrical connections. The provisions of this clause in G4706.1—100 shall apply. 29 Creepage distance, electrical room and ventilation distance in GB17061S98, all apply to 30.2.1 The following changes are made to this clause:
The hot wire test described in Appendix K is conducted at a temperature of 650°C: 30.2.2 The following changes are made to this clause:
The end device should be a device that is operated under the supervision of an adult. 30.3 The following reverse content is added to this clause:
竺101: Switchgear with a single-acting head, except for those that are operated by an adult, shall be designed to withstand extreme production protection. In addition, other electrical components must be strictly rated for quality. The use conditions and placement positions of the equipment must not cause dust hazards. 4 Please note that the requirements of this clause must be strictly followed. 30.101 If there is a non-metal material used to absorb grease, it must be subjected to the combustion test specified in the Appendix. The sample sequence ② is different from the device.
And: It may be necessary to support it with samples such as the world. 31-Rust prevention
This chapter in GB4706.1-1908 is applicable. 32 Radiation, toxicity and similar hazards
This chapter in GB4736.1-1998 is applicable.
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