This standard specifies the energy efficiency limits, energy efficiency levels, energy saving evaluation values, test methods and inspection rules for electric blankets (bottom bunks) and electric heating pads. This standard applies to electric blankets (bottom bunks) and electric heating pads (hereinafter referred to as "appliances") that can change or adjust the average input power.
QB/T 4978-2016 Referenced Document
GB 4706.8 Household and similar electrical appliances.Safety.Particular requirements for blankets,pads and similar flexible heating appliances
GB/T 2828.1 Inspection procedure by count sampling part 1: Lot by lot inspection sampling plan retrieved by acceptance quality limit (AQL)
GB/T 2829 Sampling procedures and tables for periodic inspection by attributes (Apply to inspection of process stability)
QB/T 2994-2008 Electrically heated blankets,pads and mattresses
QB/T 4978-2016 history
2016QB/T 4978-2016 Minimum allowable values of energy efficiency and energy efficiency grades for blankets and pads