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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 standard is developed in accordance with the rules given in GB/T 1.1-2009. This standard replaces GB/T 13380-2007 A.C. electric fans and regulators. The following main technical changes have been made with respect to GB/T 13380-2007: ——The terms, nine in total, in Annex C of GB/T 13380-2007 are incorporated into Clause 3 (see Clause 3); ——According to the test method and verification data of air volume, the air volumes of table fans, wall fans, floor fans, pedestal fans, ceiling fans and louver fans of 300mm and below are properly adjusted. For those of 230mm and below, the air volumes shall be assessed according to the non-preferred size that is marked by the manufacturer (see 5.2); ——The energy efficiency values of table fans, wall fans, floor fans, pedestal fans, ceiling fans and louver fans of 300mm and below are properly adjusted according to the verification data. For those of 230mm and below, the energy efficiency values shall be assessed according to the non-preferred size (see 5.3); ——The energy efficiency values of tower fans are properly adjusted according to the test methods and verification data (see 5.3); ——The noise limit is changed from 50 dB(A) to 63 dB(A) according to the development and change of product specifications of tower fans (see 5.5); ——For the air volume tests of table fans, wall fans, floor fans, pedestal fans, top fans and louver fans, the table fans, wall fans, floor fans, top fans and louver fans shall be tested in 4.5m long test chamber, while pedestal fans shall be tested in 6m long test chamber (400mm pedestal fans are allowed in 4.5m long test chamber for air volume tests), which are changed to electric fans (table fans, wall fans, floor fans, pedestal fans, top fans and louver fans) less than or equal to 400mm shall be tested in 4.5m long test chamber, while such electric fans of 400mm shall be tested in 6m long test chamber (see 6.7.1); ——The damp-heat test of organic coated parts is added. The test temperature: (40±2)°C; relative humidity: (93±3)% (see 6.13); ——For the measurement of air velocity for table fans, wall fans, floor fans, pedestal fans, top fans and louver fans, two anemometers in horizontal direction are changed to two anemometers in horizontal direction and two anemometers in vertical direction (4 anemometers in total) (to improve the uniformity of the average air velocity of the ring) (see 6.7.1.1); ——The air volume test method of tower fan is changed to the method in GB/T 1236 (see 6.7.3); ——For the end-of-manufacturing inspection items, "Leakage current and electrical strength test" is changed to "Electrical strength test", "Input power and current" is changed to "Input power measurement", and "Simplified method used in end-of-manufacturing inspection" is added (see Table 6 in 7.2.1); ——The item "Radiation, toxicity and similar hazards" is added to the type inspection, and Note 4 is added to Table 7 (see Table 7 of 7.3.2); ——Annex C "Test method for air performance of tower fans" is added. This standard is redrafted by reference to but is not equivalent to IEC 60879:1986 Performance and construction of electric circulating fans and regulators and its corrigenda 1992. This standard was proposed by China National Light Industry Council. This standard is under the jurisdiction of National Technical Committee on Household Electric Appliances of Standardization Administration of China (SAC/TC 46). The previous editions of this standard are as follows: ——GBn 158-1982, GB/T 13380-1992, GB/T 13380-2007. A.C. electric fans and regulators 1 Scope This standard specifies the product classification, technical requirements, test methods, inspection rules, marking, packaging, transportation and storage of A.C. electric fans and regulators. This standard is applicable to table fans, wall fans, floor fans, pedestal fans, ceiling fans, top fans, louver fans, tower fans, decorated ceiling fans and their regulators which are driven by AC motors with single-phase rated voltages not more than 250V and other rated voltages not more than 480V. This standard does not apply to electric fans used under other special conditions. 2 Normative references The following referenced documents are indispensable for the application of this document. 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 191-2008, ISO 780: 1997, MOD) GB/T 1002 Single phase plugs and socket-outlets for household and similar purposes—Types, basic parameters and dimensions GB/T 1003 Three phases plugs and socket-outlets for household and similar purposes—Types, basic parameters and dimensions GB/T 1019-2008 General requirements for the package of household and similar electrical appliances GB/T 1236-2017 Industrial fans—Performance testing using standardized airways (ISO 5801: 2007, IDT) GB/T 2099.1 Plugs and socket-outlets for household and similar purposes—Part 1: General requirements (GB/T 2099.1-2008, IEC 60884-1:2006, MOD) GB/T 2423.3 Environmental testing—Part 2: Testing method—Test Cab: Damp heat, steady state (GB/T 2423.3-2006, IEC 60068-2-78:2001, IDT) GB/T 2423.17 Environmental testing for electric and electronic products—Part 2: Test method—Test Ka: Salt mist (GB/T 2423.17-2008, IEC 60068-2-11:1981, IDT) GB/T 2828.1-2012 Sampling procedures for inspection by attributes—Part 1: Sampling schemes indexed by acceptance quality limit (AQL) for lot-by-lot inspection (ISO 2859-1:1999, IDT) GB/T 2829-2002 Sampling procedures and tables for periodic inspection by attributes (Apply to inspection of process stability) GB/T 2900.29 Electrotechnical terminology—Household and similar electrical appliances GB/T 3667.1 AC motor capacitors—Part 1: General—Performance, testing and rating—Safety requirements—Guide for installation and operation (GB/T 3667.1-2016, IEC 60252-1:2013, IDT) GB/T 3667.2 AC motor capacitors—Part 2: Motor start capacitors (GB/T 3667.2-2016, IEC 60252-2:2013, IDT) GB/T 4214.1-2017 Test method for noise of household and similar electrical appliances—General requirements (IEC 60704-1:2010, MOD) GB 4343.1 Electromagnetic compatibility requirements for household appliances, electric tools and similar apparatus—Part 1: Emission (GB 4343.1-2009, CISPR 14-1:2005, IDT) GB 4706.1 Household and similar electrical appliances-Safety-Part 1: General requirements (GB 4706.1-2005, IEC 60335-1:2004, IDT) GB 4706.27-2008 Household and similar electrical appliances-safety—Part 2: Particular requirements for fans (IEC 60335-2-80:2004, IDT) GB/T 5023.5 Polyvinyl chloride insulated cables of rated voltages up to and including 450/750V—Part 5: Flexible cables (cords) (GB/T 5023.5-2008, IEC 60227-5:2003, IDT) GB/T 5089 General technical requirements for fan A.C. motors GB/T 5296.2 Instructions for use of consumer interest—Instructions for use of household and similar electrical appliances GB/T 15092.1 Switches for appliances—Part 1: General requirements (GB/T 15092.1-2010, IEC 61058-1:2008, IDT) GB/T 15092.2 Switches for appliances—Part 2: Particular requirements for cord switches (GB/T 15092.2-2014, IEC 61058-2-1:2010, IDT) GB 17625.1 Electromagnetic compatibility—Limits—Limits for harmonic current emissions (equipment input current ≤16 A per phase) (GB 17625.1-2012, IEC 61000-3-2:2009, IDT) GB 19606-2004 Noise limit value for household and similar electrical appliances GB/T 22693 Key type switches QB/T 1939 Mechanical timer for electric fans 3 Terms and definitions For the purposes of this document, the terms and definitions given in GB 4706.27 and the following apply. 3.1 impeller for air lead lattice structure arranged at the front of louver fan blade, which can control the air supply direction by its rotation or set at a certain position 3.2 taper angle of air way cone angle of the maximum airflow cone with the center of the fan blade as the vertex and the average air velocity on the bus not lower than the specified value 3.3 error difference between the measured value and the nominal value 3.4 allowable error maximum allowable difference between the measured value and the nominal value 3.5 table fan fan having two or more blades for worktable mounting, driven by a motor for blades to rotate and intended for use with free inlet and outlet of air 3.6 wall fan fan having two or more blades with base fixed on the wall, driven by a motor for blades to rotate and intended for use with free inlet and outlet of air 3.7 pedestal fan fan having two or more blades to be used on the ground, driven by a motor for blades to rotate and intended for use with free inlet and outlet of air 3.8 ceiling fan fan having two or more blades with base fixed on the ceiling, driven by a motor so that the blades rotate in a horizontal plane 3.9 floor fan fan having two or more blades and height adjuster for worktable or ground mounting, driven by a motor for blades to rotate and intended for use with free inlet and outlet of air 3.10 tower fan fan driven by an AC motor for the tubular impeller to rotate, so as to generate tangential airflow for air supply 3.11 louver fan electric fan having two or more blades and with its air way controlled by a rotating impeller for air lead 3.12 decorated ceiling fan propeller-bladed electric fan having two or more blades, mounted on the ceiling using suspension device, without oscillating mechanism, but can have lamps (or lamp boxes) or other electrical functions, and the fan blades are decorated with nonmetallic materials 3.13 top fan electric fan having two or more blades, with the base mounted on the ceiling, driven by the capacitor-run motor for the axial fan blades to rotate to generate circulating airflow, the head of which can rotate 360° around the axis of the mounting base to deliver air to different directions 4 Product classification 4.1 Type Types of A.C. electric fans: a) A.C. electric fans are divided by type of driving motor in capacitive type and shaded pole type; b) A.C. electric fans are divided by nature of power supply into single phase and three phase. 4.2 Specifications The specifications of A.C. electric fans are classified by blade diameter, as shown in Table 1. Table 1 Type Blade diameter/mm Table fan (200), (230), 250, 300, 350, 400, 450 Wall fan 250, 300, 350, 400, 450 Floor fan 300, 350, 400, 450 Pedestal fan 300, 350, 400, 450, 500, 600 Ceiling fan, decorated ceiling fan 900, 1,050, 1,200, 1,400, 1,500, 1,800 Louver fan 200, 230, 250, 300, 350, 400 Top fan 300, 350, 400, 450 Specifications and dimensions are preferred (bracketed values are not preferred). The allowable error of blades with diameter less than 500mm (inclusive) is ±2%, the allowable error of blades with diameter greater than 500mm and less than 1,000 mm (including 1,000mm) is ±10mm, and the allowable error of blades with diameter greater than 1,000 mm is ±1%. The specifications of the tower fan are classified according to the diameter and length of the impeller. For example, if the diameter and length of the impeller are 100mm and 400mm respectively, the specification is φ100 mm×400mm. 4.3 Rated parameters 4.3.1 Rated voltage: single-phase 220 V/three-phase 380 V. 4.3.2 Rated frequency: 50 Hz. 5 Technical requirements 5.1 Service environment 5.1.1 Ambient air temperature does not exceed +40°C or the indicated ambient temperature (T). 5.1.2 Relative humidity of the ambient air is not more than 90% (at +25 °C); 5.1.3 Altitude above sea level is not higher than 1,000m. 5.2 Air delivery When the table fans, wall fans, floor fans, pedestal fans, ceiling fans and louver fans are operating at rated voltage, rated frequency and maximum rotation speed, their air delivery shall meet the values specified in Table 2 and is allowed to have an allowable error of -10% (the upper limit of allowable error is not specified). When the top fans, tower fans and decorated ceiling fans are operating at rated voltage, rated frequency and maximum rotation speed, their air delivery is allowed to have an allowable error of -10% from the nominal air delivery specified by the manufacturer (the upper limit of allowable error is not specified). Note: The nominal air volume of top fan, tower fan and decorated ceiling fan shall be provided in relevant data by the manufacturer. Table 2 5.3 Energy efficiency value The energy efficiency value of electric fans is the measured air delivery (m3/min) divided by the measured input power (W) of motor when the electric fans are operating at rated voltage, rated frequency and maximum rotation speed. The energy efficiency values of table fans, wall fans, floor fans, pedestal fans, ceiling fans and louver fans shall not be less than those specified in Table 3. Table 3 Specification mm Minimum energy efficiency value/[m3/(min·W)] Table fan, louver fan Wall fan Floor fan Pedestal fan Ceiling fan Capacitive type Shaded pole type Capacitive type Shaded pole type Capacitive type Shaded pole type Capacitive type Shaded pole type Capacitive type Shaded pole type (200) — — — — — — — — — — (230) — — — — — — — — — — 250 0.67 0.49 0.67 0.49 — — — — — — 300 0.75 — 0.75 — 0.75 — 0.75 — — — 350 0.90 — 0.90 — 0.90 — 0.90 — — — 400 1.00 — 1.00 — 1.00 — 1.00 — — — 450 1.10 — 1.10 — 1.10 — 1.10 — — — 500 — — — — — — 1.13 — — — 600 — — — — — — 1.30 — — — 900 — — — — — — — — 2.75 1.90 1050 — — — — — — — — 2.79 2.16 1200 — — — — — — — — 2.93 2.47 1400 — — — — — — — — 3.15 2.55 1500 — — — — — — — — 3.33 2.70 1800 — — — — — — — — 3.47 2.77 The energy efficiency value of non-preferred size shall be provided in relevant data by the producer (manufacturer), and the measured energy efficiency value shall not be less than its nominal value. The energy efficiency value of tower fan shall not be less than 0.12 m3/(min·W). The energy efficiency values of top fans and decorated ceiling fans shall not be less than the nominal energy efficiency value specified by the producers (manufacturers). Note: The nominal energy efficiency values of top fans and decorated ceiling fans shall be provided by the producer (manufacturer) in relevant data. 5.4 Speed regulation 5.4.1 Speed regulation ratio For the speed regulation ratio of an electric fan, it is the ratio of the speed of its lowest speed gear to the speed of its highest speed gear when the fan is operating at rated voltage and rated frequency, as shown in Equation (1): (1) The speed regulation ratio of table fans, wall fans, floor fans, pedestal fans, ceiling fans and louver fans shall not be greater than those specified in Table 4. Table 4 Specification mm Speed regulation ratio/% Table fan, louver fan Wall fan Floor fan Pedestal fan Ceiling fan Capacitive type Shaded pole type Capacitive type Shaded pole type Capacitive type Shaded pole type Capacitive type Shaded pole type Capacitive type Shaded pole type (200) — — — — — — — — — — (230) 80 — — — — — — — — — 250 80 80 80 — — — — — — — 300 70 — 70 — 70 — 70 — — — 350 70 — 70 — 70 — 70 — — — 400 70 — 70 — 70 — 70 — — — 450 65 — 65 — 65 — 65 — — — 500 — — — — — — 60 — — — 600 — — — — — — 60 — — — 900 — — — — — — — — 50 80 1050 — — — — — — — — 50 80 1200 — — — — — — — — 50 80 1400 — — — — — — — — 50 80 1500 — — — — — — — — 50 80 1800 — — — — — — — — 50 80 The speed regulation ratio of tower fan and top fan shall not be greater than 70%. The speed regulation ratio of decorated ceiling fans shall not be greater than 50%. 5.4.2 Regulators The electric fans with regulators shall meet the following requirements: a) Each speed regulating gear shall enable the electric fan to run continuously and reliably; b) The speed difference between two adjacent speed gears shall be as close as possible; c) Speed control switches shall meet the requirements of type inspection of electric fans; d) Regulators shall run flexibly, without the possibility of two operating gears being connected at the same time; e) There is a power off gear; f) Lighting lamps with power above 2W shall be equipped with independent power switches. 5.5 Noise The noise of an electric fan is calculated according to A-weighted sound power level, and measured according to the test method specified in 6.6; the values of table fans, wall fans, floor fans, pedestal fans, ceiling fans, louver fans, top fans and decorated ceiling fans shall not be greater than those specified in Table 5. For the tower fans operating at rated voltage, rated frequency and maximum speed gear, with oscillating airflow disabled, its A-weighted noise power level shall not be greater than 63 dB(A). Foreword i 1 Scope 2 Normative references 3 Terms and definitions 4 Product classification 5 Technical requirements 6 Test methods 7 Inspection rules 8 Marking, packaging, transportation and storage Annex A (Normative) Calculation of air volume of table fans, wall fans, floor fans, pedestal fans, top fans and louver fans Annex B (Normative) Calculation of air volume of ceiling fans and decorated ceiling fans Annex C (Normative) Test method for air performance of tower fans 交流电风扇和调速器 1 范围 本标准规定了交流电风扇和调速器的产品分类、技术要求、试验方法、检验规则、标志、包装、运输及贮存。 本标准适用于单相额定电压不超过250 V,其他额定电压不超过480 V,由交流电动机驱动的台扇、壁扇、台地扇、落地扇、吊扇、顶扇、转页扇、柱式扇和装饰型吊扇及其调速器。 本标准不适用于其他特殊条件下使用的电风扇。 2 规范性引用文件 下列文件对于本文件的应用是必不可少的。凡是注日期的引用文件,仅注日期的版本适用于本文件。凡是不注日期的引用文件,其最新版本(包括所有的修改单)适用于本文件。 GB/T 191 包装储运图示标志(GB/T 191—2008,ISO 780:1997,MOD) GB/T 1002 家用和类似用途单相插头插座 型式、基本参数和尺寸 GB/T 1003 家用和类似用途三相插头插座 型式、基本参数和尺寸 GB/T 1019—2008 家用和类似用途电器包装通则 GB/T 1236—2017 工业通风机 用标准化风道进行性能试验(ISO 5801:2007,IDT) GB/T 2099.1 家用和类似用途插头插座 第1部分:通用要求(GB/T 2099.1—2008,IEC 60884-1:2006,MOD) GB/T 2423.3 环境试验 第2部分:试验方法 试验Cab:恒定湿热试验(GB/T 2423.3—2006,IEC 60068-2-78:2001,IDT) GB/T 2423.17 电工电子产品基本环境试验规程 试验Ka:盐雾试验方法(GB/T 2423.17—2008,IEC 60068-2-11:1981,IDT) GB/T 2828.1—2012 计数抽样检验程序 第1部分:按接收质量限(AQL) 检索的逐批检验抽样计划(ISO 2859-1:1999,IDT) GB/T 2829—2002 周期检验计数抽样程序及表(适用于对过程稳定性的检验) GB/T 2900.29 电工术语 家用和类似用途电器 GB/T 3667.1 交流电动机电容器 第1部分:总则 性能、试验和定额 安全要求 安装和运行导则(GB/T 3667.1—2016,IEC 60252-1:2013,IDT) GB/T 3667.2 交流电动机电容器 第2部分:电动机起动电容器(GB/T 3667.2—2016,IEC 60252-2:2013,IDT) GB/T 4214.1—2017 声学 家用电器及类似用途器具噪声测试方法 第1部分:通用要求(IEC 60704-1:2010,MOD) GB 4343.1 家用电器、电动工具和类似器具的电磁兼容要求 第1部分:发射(GB 4343.1—2009,CISPR 14-1:2005,IDT) GB 4706.1 家用和类似用途电器的安全 第1部分:通用要求(GB 4706.1—2005,IEC 60335-1:2004,IDT) GB 4706.27—2008 家用和类似用途电器的安全 第2部分:风扇的特殊要求(IEC 60335-2-80:2004,IDT) GB/T 5023.5 额定电压450/750 V及以下聚氯乙烯绝缘电缆 第5部分:软电缆(软线)(GB/T 5023.5—2008,IEC 60227-5:2003,IDT) GB/T 5089 交流电风扇电动机通用技术条件 GB/T 5296.2 消费品使用说明 家用和类似用途电器的使用说明 GB/T 15092.1 器具开关 第1部分:通用要求(GB/T 15092.1—2010,IEC 61058-1:2008,IDT) GB/T 15092.2 器具开关 第2部分:软线开关的特殊要求(GB/T 15092.2—2014,IEC 61058-2-1:2010,IDT) GB 17625.1 电磁兼容 限值 谐波电流发射限值(设备每相输入电流≤16 A)(GB 17625.1—2012,IEC 61000-3-2:2009,IDT) GB 19606—2004 家用和类似用途电器噪声限值 GB/T 22693 琴键开火 QB/T 1939 电风扇用机械式定时器 3 术语和定义 GB 4706.27界定的以及下列术语和定义适用于本文件。 3.1 导风叶轮 impeller for air lead 转页扇扇叶前部设置的一种格栅结构并由其旋转或调定在某一位置上从而控制送风方向的装置。 3.2 送风圆锥角度 taper angle of air way 以扇叶中心为顶点、母线上的平均风速不低于规定值的最大气流锥体的锥角。 3.3 误差 error 实测值与标称值的偏差。 3.4 允差 allowable error 允许实测值与标称值的最大偏差。 3.5 台扇 table fan 放置在工作台上使用,带有两片或以上数量扇叶,由电动机驱动扇叶旋转并通过自由空间进出风的风扇。 3.6 壁扇 wall fan 安装底座固定在墙壁上,带有两片或以上数最扇叶,由电动机驱动扇叶旋转并通过自由空间进出风的风扇。 3.7 落地扇 pedestal fan 放置在地面上使用,带有两片或以上数量扇叶,由电动机驱动扇叶旋转并通过自由空间进出风的风扇。 3.8 吊扇 ceiling fan 安装底座固定在天花板上,带有两片或以上数量扇叶,由电动机驱动扇叶在水平面上旋转的风扇。 3.9 台地扇 floor fan 带有高度调节装置,放置在工作台或地面上使用,带有两片或以上数量扇叶,由电动机驱动扇叶旋转并通过自由空间进出风的风扇。 3.10 柱式扇 tower fan 塔扇 由交流电动机驱动贯流式叶轮旋转,产生切向气流送风的风扇。 3.11 转页扇 louver fan 带有两片或以上数量扇叶,由旋转的导风叶轮控制送风方向的电风扇。 3.12 装饰型吊扇 decorated ceiling fan 使用悬吊装置安装在天花板上使用,带有两片或以上数量扇叶,扇叶为螺旋桨式、不具有摇头机构而可带有灯具(或灯具盒)或其他电器功能,扇叶为非金属材料作装饰的电风扇。 3.13 顶扇 top fan 安装底座固定在天花板上,带有两片或以上数量扇叶,由电容运转式电机驱动轴流式扇叶旋转,产生循环气流,扇头可围绕安装底座的轴线回转360°,向不同方位送风的电风扇。 4 产品分类 4.1 型式 交流电风扇的型式: a) 按驱动的电动机类型分有电容式和罩极式两种; b) 按电源性质分为单相和三相两种。 4.2 规格 交流电风扇的规格,按其扇叶直径划分,如表1所示。 表1 品种 扇叶直径/mm 台扇 (200),(230),250,300,350,400,450 壁扇 250,300,350,400,450 台地扇 300,350,400,450 落地扇 300,350,400,450,500,600 吊扇、装饰型吊扇 900,1 050,1 200,1 400,1 500,1 800 转页扇 200,230,250,300,350,400 顶扇 300,350,400,450 规格尺寸是优选尺寸(带括号的为非优选尺寸),直径小于500 mm(含500 mm)的扇叶允差为±2%,直径大于500 mm到小于1 000 mm(含1 000 mm)扇叶允差为±10 mm,直径大于1 000 mm的扇叶允差为±1%。 柱式扇的规格按叶轮的直径和长度值划分,如:叶轮的直径为100 mm、长度为400 mm,则其规格为φ100 mm×400 mm。 4.3 额定参数 4.3.1 额定电压:单相220 V/三相380 V。 4.3.2 额定频率:50 Hz。 5 技术要求 5.1 使用环境 5.1.1 环境空气温度不超过+40 ℃或标示的使用环境温度(T)。 5.1.2 环境空气相对湿度不超过90%(温度为+25℃时)。 5.1.3 海拔高度不超过1000 m。 5.2 输出风量 台扇、壁扇、台地扇、落地扇、吊扇、转页扇在额定电压、额定频率和最高转速挡位运转时,其输出风量应符合表2所规定的值,但允许有-10%的允差(允差上限不作规定)。 顶扇、柱式扇、装饰型吊扇在额定电压、额定频率和最高转速挡位运转时,其输出风量与制造厂标称输出风量比较,允许有-10%的允差(允差上限不作规定)。 注:顶扇、柱式扇、装饰型吊扇的标称风量由制造厂在相关资料中提供。 表2 规格/mm 风量/(m3/min) 台扇 壁扇 台地扇 落地扇 转页扇 吊扇 非优选尺寸的风量值由生产者(制造商)在相关资料中提供标称值,标称值与实际输出风量允许有-10%的允差(允差上限不作规定)。 5.3 能效值 电风扇的能效值是在额定电压、额定频率和最高转速挡位运转时,其实测的输出风量(m3/min)除以其实测的电动机输入功率(W)。台扇、壁扇、台地扇、落地扇、吊扇、转页扇的能效值应不小于表3的规定值。 表3 规格 mm 最小能效值/[m3/(min·W)] 台扇、转页扇 壁扇 台地扇 落地扇 吊扇 电容式 罩极式 电容式 罩极式 电容式 罩极式 电容式 罩极式 电容式 罩极式 非优选尺寸的能效值由生产者(制造商)在相关资料中提供,实测能效值应不小于其标称值。 柱式扇的能效值应不小于0.12 m3/(min·W)。 顶扇、装饰型吊扇的能效值应不小于生产者(制造商)标称能效值。 注:顶扇、装饰型吊扇的标称能效假由生产者(制造商)在相关资料中提供。 5.4 调速 5.4.1 调速比 电风扇的调速比是在额定电压和额定频率下运转时,其最低转速挡位的转速与最高转速挡位的转速之比,如式(1)所示: (1) 台扇、壁扇、台地扇、落地扇、吊扇、转页扇的调速比应不大于表4所规定的值。 表4 规格 mm 调速比/% 台扇、转页扇 壁扇 台地扇 落地扇 吊扇 电容式 罩极式 电容式 罩极式 电容式 罩极式 电容式 罩极式 电容式 罩极式 柱式扇、顶扇的调速比应不大于70%。 装饰型吊扇的调速比应不大于50%。 5.4.2 调速器 有调速器的电风扇应符合下列要求: a) 各调速挡位应能使电风扇连续可靠运转; b) 相邻两个转速挡位的转速差应尽可能相近; c) 调速开关应满足电风扇型式检验的要求; d) 操作灵活,不得发生两个操作挡位同时接通现象; e) 有电源断开挡位; f) 功率在2W以上的照明灯等应有单独的电源开火。 5.5 噪声 电风扇的噪声以A计权声功率级计,按6.6规定的试验方法测定,台扇、壁扇、台地扇、落地扇、吊扇、转页扇、顶扇、装饰型吊扇的值应不大于表5所规定的值。 柱式扇在额定电压,额定频率、最高转速挡位及停止摆动送风的状态下运行,其A计权噪声声功率级应不大于63 dB(A)。 表5 台扇、壁扇、台地扇、落地扇、转页扇、顶扇 吊扇、装饰型吊扇 规格/mm 最大噪声声功率级/dB(A) 规格/mm 最大噪声声功率级/dB(A) 注:表中带括号的数值为推荐值。 5.6 摇头机构、导风轮和回转机构 5.6.1 摇头机构和回转机构应能使电风扇的风向自动和连续的变动,要求动作平稳、不应有阻滞和振颤现象。 5.6.2 具有摇头机构的电风扇,不管其摇头角度是否可调,都应该有一个位置,其摇头角度不小于60°,顶扇的回转机构应使扇头电动机轴线与安装底座垂直中心线之夹角不小于20°。 5.6.3 摇头机构在电风扇最高转速挡位运转时,每分钟水平摇头次数不少于2次,回转机构在电风扇最高转速挡位运转时,每分钟回转次数不少于4次。 5.6.4 电风扇应有控制摇头机构工作状态的转换装置。当扇叶防护罩受阻时,回转机构应能保证扇叶继续运转而无堵住现象。 5.6.5 转页扇的导风机构成能使风向自动和连续地变动,要求动作平稳(导风轮启动和反转的瞬间除外)。 5.6.6 转页扇的导风机构送风圆锥角度不应小于60°。 5.6.7 电动机驱动的导风叶轮,每分钟的转动周数不大于7或可以在7以下调节。 5.6.8 导风叶轮应有转动和停止的操作机构。此种机构的操作,应不妨碍扇叶的旋转。 5.7 仰俯角调节 台扇、落地扇、台地扇应有仰俯角调节装置;壁扇应有俯角调节装置。当电风扇的仰俯角调到最大角度,且在机头轴线定向装置的任一位置上摇头运转时,其网罩均不应与任何部件相碰。 转页式壁扇应有俯角调节装置,调节范围不小于40°。 5.8 一般结构 5.8.1 电风扇使用的机械式定时器、电容器、琴键开关及电源线插头应分别符合QB/T 1939、GB/T 3667.1、GB/T 3667.2、GB/T 22693、GB/T 15092.1、GB/T 15092.2及GB/T 1002和GB/T 2099.1的要求,其他通用器件和紧固件等均应符合国家有关标准的相应的规定,并能满足型式检验的要求;其易损件应便于更换。 5.8.2 固定使用的风扇其结构应易于安装,其安装结构应能防止反复冲击而引起的松动或磨损。 5.8.3 除固定安装的风扇和落地扇外,其余风扇应有便于携移的提手,顶扇应有防护罩和防止轴承漏油的装置。 5.8.4 叶片组装应牢固可靠、平衡良好,在各速度挡位运转时,电风扇不应有明显的振动。 5.9 外观 5.9.1 电镀件的镀层应光滑细密,色泽均匀,小应有斑点、针孔、气泡和脱落;有机涂敷件的表面涂膜应平整光滑、色泽均匀、涂层牢固,其主要表面应无明显流漆、皱纹和脱落等影响外观的缺陷。 5.9.2 塑料制件的主要表面应光滑、色泽均匀,不应有明显的斑痕、划痕及凹缩。 5.9.3 电镀件经盐雾试验后,主要表面上的镀层的金属锈点和锈迹,每平方分米不多于2个;非主要表面上每平方分米不多于4个,每个锈点、锈迹的面积均不得大于1 mm2;当试件表面积小于1 dm2时,则不允许出现锈点、锈迹。 5.9.4 有机涂敷件经湿热试验后,主要表面上的气泡每平方分米不多于4个,非主要表面上每平方分米不多于8个,气泡直径不大于1 mm.试件的边缘、角落、小孔处不应出现严重的涂层脱落。 注:电风扇的电动机轴线处于水平位置,电风扇的出风面与装饰板为前表面,则其主要表面是指从前、上、左、右四个方向看到的表面。吊扇和装饰型吊扇的电动机轴线与水平面垂直,其出风面向下,则其主要表面是指从下、前、后、左、右五个方向看到的表面。 5.9.5 电风扇的铭牌和装饰板应经久耐用,经型式检验后,不得变形、脱落;其图案与字迹仍应清楚。 5.10 寿命 5.10.1 电风扇的开关,在额定电压和额定频率下,接入其控制的电风扇电路中或接入模拟电风扇最大负载时的等效电路中进行试验,经1万次操作后,仍应能正常使用。 5.10.2 摇头机构经10万次操作试验后,其零件不应损坏及调节不应失灵。 5.10.3 电风扇机头轴线定向装置经250次操作后,其零件不应损坏及调节不应失灵。 5.10.4 仰俯角调节装置经500次操作后,其零件不应损坏和电源线、电气连接不应损伤。 5.10.5 高度调节装置经500次操作后,其零件不应损坏和电源线、电气连接不应损伤。 5.10.6 仰俯角及高度调节装置中的螺旋夹紧件,经500次夹紧试验后不得失灵。 5.11 启动 风扇应能在实际使用中会出现的所有正常电压条件下启动。离心式和其他自动启动开关应动作可靠,且无触头振动现象。用手启动的电动机,如果以错误方向启动,不应发生危险。 是否合格通过在0.85倍和1.06倍额定电压下启动风扇3次来检查,试验应在低速挡位进行。在任何情况下,风扇都应安全可靠地工作。测试期间电源电压下降不应超过1%。 5.12 质量保证 在用户遵守制造厂规定的保管和使用条件下,从出售日期起12个月内,电风扇如因制造不良而发生损坏不能正常工作时,制造厂应负责免费为用户更换、修理,但以制造厂发货日期起不超过24个月为限。订货方如另有要求时,可在双方合同中另行规定。 6 试验方法 6.1 试验用的仪器仪表及试验环境 6.1.1 用于型式检验的电流表、电压表、功率表的准确度不低于0.5级,出厂检验可用1.0级。 6.1.2 测量风速用的仪表采用标称直径小于或等于100 mm叶轮式风速仪,灵敏度不低于0.15 m/s,风速的最大量程为1 200 m/min。 6.1.3 测量温度用的仪表,其精度在0.5 ℃以内(出厂检验可用1.0 ℃)。 6.1.4 测量时间用的仪表,其精度在0.1 s以内。 6.1.5 测量气压及湿度用的仪表,其准确度为3级。 6.1.6 测量转速所用测试设备的采样器不应影响被试样机的转速。 6.1.7 风量试验应在室内空气温度为20 ℃±5 ℃的风量试验室内进行,其余性能试验都可在温度不高于40℃、无外界气流和热辐射作用的室内进行。 6.2 试验电压和频率 除另有规定外,试验应在额定电压、额定频率下进行,试验电源的电压和频率的波动应不超过其额定值的±1%。 6.3 一般检查 6.3.1 扇叶直径检查,按4.2的规定用误差不大于1 mm的量具,检查扇叶旋转时顶端所作圆的直径。 6.3.2 标志检查及电风扇操作指示和定时器时间指示的检查。 6.3.3 电风扇俯仰机构检查。 6.3.4 提手装置检查。 6.3.5 电镀层、有机涂敷层和塑料件的外观检查。 6.4 转速测量及调速比的检查 6.4.1 转速测量 6.4.1.1 最高转速挡位的转速测量 电风扇在最高转速挡位运转1 h后,进行最高转速挡位的转速测量。 6.4.1.2 中间各转速挡位的转速测量 紧接着最高转速挡位的转速测量后,进行中间各转速挡位的转速测量。 6.4.1.3 最低转速挡位的转速测量 接着上二项试验后再在最低转速挡位运转1 h后,进行最低转速挡位的转速测量。 6.4.2 调速比的检查 按6.4.1.1及6.4.1.3测定的转速值,计算被试电风扇的调速比。 注:电风扇在额定电压、额定频率和不摇头状态下运转测定。 6.5 摇头机构、导风轮和回转机构试验 6.5.1 摇头次数测定、回转次数测定 在额定电压和额定频率下,被试电风扇在最高转速挡位运转,摇头机构处于工作状态下,用秒表计时,测定电风扇每分钟的摇头次数。 在额定电压和额定频率下,顶扇在最高转速挡位运转,回转机构处于工作状态下,用秒表计时,测定顶扇每分钟的回转次数。 6.5.2 电风扇机头摇摆角度测定,顶扇回转角度测定 用电风扇电动机轴线在水平面内的摆动角度来决定被测电风扇机头的摆动角度。为了便于记取位置,被测电风扇可在最低转速挡位运转。 顶扇处于不运转状态,卸除扇叶和扇叶保护罩,测量电动机轴线与安装底座垂直中心的夹角。 6.5.3 转换装置操作试验 电风扇摇头机构的转换装置应在最高转速挡位下进行,转换操作的试验,由停止摇头位置转换到最大摇头角度位置,再由其最大摇头角度位置回复到停止摇头位置,如此操作,停—摇—停作为1次转换,并约以每分钟不少于1次的转换速度进行检查。 6.5.4 电风扇机头轴线定向装置的操作试验 将电风扇的电源断开,然后把电风扇的机头从其左侧极限位置转换到其右侧极限位置,而后再由右侧极限位置回复到左侧极限位置,这样称为1次,以每分钟不大于3次的速度进行检查。 6.5.5 导风机构试验 6.5.5.1 送风圆锥角度试验 转页扇在额定电压和额定频率下,按6.7.1.1规定的风速测定方法,测量与转页扇扇叶中心成60°的等腰三角形底边两端点风速的平均值,若大于24 m/min为合格。测量时,导风轮分别调定在使测量点风速为最大的位置。 6.5.5.2 导风叶轮转动周数测定 转页扇在额定电压、额定频率、最高转速挡位下和导风叶轮处于工作状态下运行时,测定导风叶轮每分钟的转动周数。若导风叶轮具有旋转快慢的调节装置,则允许进行调节。 6.5.5.3 导风叶轮运转状态检查 转页扇在额定电压和额定频率下,检查导风叶轮在各转速挡位下运转是否平稳。 注:带有摇头机构的台扇、壁扇、台地扇和落地扇以及带有回转机构的顶扇、带有导风机构的转页扇按上述6.5的方法进行相关试验。 6.6 噪声声功率级测定 6.6.1 台扇、转页扇噪声测试 采用半球包络面,测试半径R为1 000 mm,如图1所示,将被试风扇置于半消声室中间地面上,电风扇电动机轴线成水平,它在地面的投影与∠102的角平分线重合,微音器带风罩并对准电风扇摇头轴心,它的测试位置为图1中1,2,3,4四点,微音器距离地面的高度对各种规格的风扇均为450 mm,摇头轴心在地面的投影和微音器在地面的投影之间的距离是900 mm,测试半径只是指摇头轴心在地面的投影至微音器的距离。噪声测试时按上述规定将微音器分别置于上述四点,在试样不摇头状态下,测出各点最大声压级,并按6.6.4算出这四个测试点的平均声压级,最后按6.6.4.1计算出被试电风扇噪声的声功率级。 单位为毫米 图1 台扇、转页扇噪声测试 6.6.2 壁扇、台地扇、落地扇、顶扇、柱式扇噪声测试 采用全球包络面,测试半径R为1 000 mm,将被试电风扇置于半消声室中间地面上或样品架上,电风扇电动机轴线成水平,它在地面的投影与图2中∠102的角平分线重合,且距离地面高度为1 500 mm,微音器的高度亦为1 500 mm,微音器至电风扇摇头轴心的距离为1 000 mm。噪声试验时,微音器的位置为图2中的1,2,3,4四点,其他要求与台扇相同,但其噪声声功率级的计算,应按6.6.4.2的规定进行。 单位为毫米 图2 壁扇、台地扇、落地扇、顶扇、柱式扇噪声测试 6.6.3 吊扇、装饰型吊扇噪声测试 采用全球包络面,测试半径R为1 414 mm,将被试电风扇悬吊在半消声室内,其扇叶平面距离地面高度大于2 300 mm,微音器带风罩并对准吊扇叶毂中心,微音器至叶毂中心的距离即为测试半径R。噪声试验时,微音器的测试位置为图3中的1,2,3,4四点,每点声压级的读数应取其示值的中间值,而后按6.6.4算出这四个测试点的平均声压级,最后按6.6.4.3计算出被试吊扇噪声声功率级。 单位为毫米 图3 吊扇、装饰型吊扇噪声测试 6.6.4 电风扇噪声声功率级的计算 按式(2)进行: (2) 式中: Lw——声功率级,单位为分贝(dB); ——平均声压级,单位为分贝(dB); S0——基准面面积取S0=1 m2; S——包络面的面积,单位为平方米(m2)。 每台电风扇的四个测点中,任意两点声压级的差值小于或等于5 dB时,平均声压级可用算术平均值计算,如差值大于5 dB时,则用对数平均值计算。 6.6.4.1 台扇、转页扇的半包络面面积S=2πR2,R=1 m时的声功率级Lw的计算见式(3)。 (3) 6.6.4.2 壁扇、台地扇、落地扇、顶扇、柱式扇的全包络面面积S=4πR2,R=1 m时的声功率级Lw的计算见式(4)。 (4) 6.6.4.3 吊扇、装饰型吊扇的全包络面面积S=4πR2,R=1.414 m时的声功率级Lw的计算见式(5)。 (5) 6.6.5 A计权声功率级 电风扇的噪声用GB/T 4214.1—2017中规定的测试仪器在半消声室内进行测试,以确定A计权声功率级。它是在额定电压、额定频率和处于不摇头或导风轮不工作的状态下,并且在最高转速挡位运转时测定的。 6.7 风量试验 6.7.1 台扇、壁扇、台地扇、落地扇、顶扇和转页扇的风量试验 在图4所示的风量试验室内进行试验,其试验室尺寸如下: 长度:小于或等于400 mm的电风扇为4 500 mm.大于400 mm的电风扇为6 000 mm。 宽度:4 500 mm。 高度:3 000 mm。 上列试验屏尺寸允许±15 mm的误差。 |
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