Detail of GB/T 40978-2021

Introduction of GB/T 40978-2021

Codeofchina.com is in charge of this English translation. In case of any doubt about the English translation, the Chinese original shall be considered authoritative. This document is developed in accordance with the rules given in GB/T 1.1-2020 Directives for standardization - Part 1: Rules for the structure and drafting of standardizing documents. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. The issuing body of this document shall not be held responsible for identifying any or all such patent rights. This standard was proposed by China National Light Industry Council. This standard is under the jurisdiction of the National Technical Committee on Household Appliances of Standardization Administration of China (SAC/TC 46). Electric rice cooker 1 Scope This standard specifies the classification and model designation, requirements, test methods, inspection rules, marking, packaging, transportation and storage of electric rice cooker. This standard is applicable to household and similar electric rice cooker with a rated voltage of not greater than 250V. This standard does not involve the safety requirements related to food contact materials. 2 Normative references The following documents, in whole or in part, are normatively referenced in this document and are indispensable for its application. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. GB/T 191 Packaging - Pictorial marking for handling of goods GB/T 1019 General requirements for the package of household and similar electrical appliances GB/T 4214.1-2017 Test method for noise of household and similar electrical appliances - General requirements GB 4343.1 Electromagnetic compatibility - Requirements for household appliances, electric tools and similar apparatus - Part 1: Emission GB 4706.1-2005 Household and similar electrical appliances - Safety - Part 1: General requirements GB 4706.19 Household and similar electrical appliances - Safety - Particular requirements for heating liquids GB/T 5296.2 Instructions for use of products of consumer interest - Part 2: Household and similar electrical appliances GB 17625.1 Electromagnetic compatibility - Limits - Limits for harmonic current emissions (equipment input current ≤ 16 A per phase) IEC 62233: 2005 Measurement methods for electromagnetic fields of household appliances and similar apparatus with regard to human exposure 3 Terms and definitions For the purposes of this document, the terms and definitions given in GB 4706.1 and GB 4706.19 as well as the following apply. 3.1 electric rice cooker appliance for cooking rice, which has a detachable container (placed inside the appliance during cooking) Note 1: Electric rice cooker may have heat preservation function. Note 2: Electric rice cooker may also cook other foods in addition to rice. 3.2 induction heating electric rice cooker electric rice cooker which heats the container by eddy current Note: Eddy current is generated through induction on the container or lid by the coil electromagnetic field, or generated by the container and lid through induction. 3.3 small armor plate Q235A (A3) steel plate with a thickness of 2.0mm and a diameter of 60mm 3.4 coil plate component formed by fixing a metal wire winding on a support, which can generate electromagnetic field 3.5 pressure rice cooker electric rice cooker with a rated cooking pressure of 4~140kPa Note 1: For appliances with a nominal rated cooking pressure range, the upper limit of rated cooking pressure shall not exceed 140kPa. Note 2: This document is applicable to appliances named as pressure rice cooker, air pressure cooker, etc., which has a rated cooking pressure within 4~140kPa. 3.6 rated cooking pressure maximum pressure produced in the cooking container during normal operation, as specified by the manufacturer 3.7 rated cooking pressure range maximum pressure range in the cooking container that can be adjusted during normal operation, as specified by the manufacturer 3.8 pressure-controlled repeatability capability of the appliance to control the set pressure in cooking container 3.9 nonmetal cooking container cooking container used in appliance, which is made of clay as the main material and other natural mineral materials through crushing, mixing, forming and calcining 4 Classification and model designation 4.1 Classification The appliances are classified into: a) heating element heating type and induction heating type according to the heating mode; b) normal pressure type and pressure type according to the operating pressure; c) metal type and nonmetal type according to the material of cooking container. 4.2 Model designation See Annex A for model designation of appliances. 5 Requirements 5.1 Normal operation environment Appliances shall be able to operate normally under the following conditions: ——in indoor or similar indoor environment, where the surrounding air shall be free of flammable and corrosive gases and conductive dust; ——ambient temperature: -10~40℃; relative air humidity: not greater than 95%; ——power supply: rated voltage (1±10%) and rated frequency ±1Hz. 5.2 Electrical safety Appliances shall meet the applicable requirements of GB 4706.1 and GB 4706.19.

Contents of GB/T 40978-2021

Foreword i 1 Scope 2 Normative references 3 Terms and definitions 4 Classification and model designation 5 Requirements 6 Test methods 7 Special requirements and test methods 8 Inspection rules 9 Marking, packaging, transportation and storage Annex A (Informative) Model designation of appliance Annex B (Normative) Energy efficiency test method Annex C (Informative) Test method for cooking performance Annex D (Normative) Induction heating electric rice cooker Annex E (Normative) Pressure rice cooker Annex F (Normative) Electric rice cooker with nonmetal cooking container Bibliography