GB/T 19411-2024 Dehumidifier
1 Scope
This standard specifies types and basic parameters, technical requirements, test methods, inspection rules, as well as marking, packaging, transportation and storage of dehumidifiers.
This document applies to dehumidifiers with a vapor compression refrigeration cycle driven by an electric motor.
This document does not apply to fresh air dehumidifiers.
2 Normative references
The following normative documents contain provisions which, through reference in this text, constitute provisions 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 2423.17 Environmental testing for electric and electronic products - Part 2: Test methods - Test Ka: Salt mist
GB/T 2423.55 Environmental testing - Part 2: Test methods - Test Eh: Hammer tests
GB/T 2828.1 Sampling procedures for inspection by attributes - Part 1: Sampling schemes indexed by acceptance quality limit (AQL) for lot-by-lot inspection
GB 2894-2008 Safety signs and guideline for the use
GB/T 3241 Electroacoustics - Octave-band and fractional-octave-band filters
GB/T 3767-2016 Acoustics - Determination of sound power levels and sound energy levels of noise sources using sound pressure - Engineering methods for an essentially free field over a reflecting plane
GB/T 3785.1-2010 Electroacoustics - Sound level meters - Part 1: Specifications
GB/T 4208 Degrees of protection provided by enclosure (IP code)
GB 4343.1-2018 Electromagnetic compatibility requirements for household appliances, electric tools and similar apparatus - Part 1: Emission
GB/T 4343.2 Electromagnetic compatibility requirements for household appliances, electric tools and similar apparatus - Part 2: Immunity
GB 4706.1-2005 Household and similar electrical appliances - Safety - Part 1: General requirements
GB 4706.32-2012 Household and similar electrical appliances - Safety - Particular requirements for electrical heat pumps, air-conditioners and dehumidifiers
GB/T 5226.1-2019 Electrical safety of machinery - Electrical equipment of machines - Part 1: General requirements
GB/T6388 Transport package shipping mark
GB 6882 Acoustics - Determination of sound power levels and sound energy levels of noise sources using sound pressure - Precision methods for anechoic rooms and hemi-anechoic rooms
GB/T 9237 Refrigerating systems and heat pumps - Safety and environmental requirements
GB/T 9286-2021 Paints and varnishes - Cross-cut test
GB/T 13306 Plates
GB/T 15173-2010 Electroacoustics - Sound calibrators
GB/T 16842-2016 Protection of persons and equipment by enclosures - Probe for verification
GB 17625.1-2022 Electromagnetic compatibility - Limits - Part 1: Limits for harmonic current emissions (equipment input current ≤16 A per phase)
GB/T 17625.8 Electromagnetic compatibility - Limits - Limits for harmonic currents produced by equipment connected to public low-voltage systems with input current >16 A and ≤75 A per phase
GB/T 17758 Unitary air conditioners
GB/T 18801-2022 Air cleaner
GB 21551.3-2010 Antibacterial and cleaning function for household and similar electrical appliances - Particular requirements of air cleaner
GB/T26572 Requirements of concentration limits for certain restricted substances in electrical and electronic products
JB/T 7249 Refrigeration and air conditioning apparatus - Terminology
JB/T 10359-2013 Environmental technical requirements for plastics of outdoor units of air conditioners
3 Terms and definitions
For the purpose of this document, the terms and definitions given in JB/T 7249 and the following apply.
3.1
dehumidifier
device for removing moisture from air or reducing the moisture content of air
3.2
comfort dehumidifier
dehumidifier used to meet the requirements of comfortable environment in human activity spaces
3.3
process dehumidifier
dehumidifiers used in process and production processes and occasions with special dehumidification requirements
3.4
dehumidification capacity
DC
amount of water removed by the dehumidifier per unit time under the specified standard working conditions or specific working conditions
Note 1: The unit is kilograms per hour (kg/h) or liters per day (L/d).
Note 2: The nominal dehumidification capacity of the dehumidifier is expressed in DCR.
3.5
dehumidification consumption power
DP
total input power of the dehumidifier during dehumidification operation under the specified standard working conditions or specific working conditions
Note: The unit is kilowatts (kW).
…
4 Types and basic parameters
4.1 Types
4.1.1 The dehumidifiers are classified by the applicable return air temperature range:
a) Type A (18 °C-35 °C);
b) Type B (5 °C-35 °C);
c) Type C (customized).
Note: Return air includes return air mixed with fresh air.
4.1.2 Dehumidifiers are classified by the use purpose:
a) comfort type (Type S);
b) process type (Type G).
Note: Comfort dehumidifiers and process dehumidifiers are represented by AS, BG, etc. depending on return air temperature types.
4.1.3 Dehumidifiers are classified by condensation method:
a) air-cooled type;
b) water-cooled type;
c) combined type.
4.1.4 Dehumidifiers are classified by functions:
a) temperature rise type;
b) temperature drop type;
c) temperature regulation type.
4.1.5 Dehumidifiers are classified by structure:
a) monolithic type;
b) split type.
4.1.6 Dehumidifiers are classified by air supply mode:
a) direct blowing type;
b) air duct type.
4.1.7 Dehumidifiers are classified by capacity regulation mode:
a) single capacity type;
b) non-single capacity type.
Note: Refer to GB/T17758-2023 for the concepts of single capacity type and non-single capacity type.
Contents
1 Scope
2 Normative references
3 Terms and definitions
4 Types and basic parameters
4.1 Types
4.2 Models
4.3 Basic parameters
5 Technical requirements
5.1 General
5.2 Appearance
5.3 Test run
5.4 Sealing performance of refrigeration system
5.5 Dehumidification performance under nominal working condition
5.6 Dehumidification performance under high temperature condition
5.7 Maximum loaded operation
5.8 Dehumidification operation at low temperature
5.9 Removal of condensation and condensate
5.10 Insulation performance under water overflow condition
5.11 Limitation of heat exchange
5.12 Power failure protection
5.13 Security requirements
5.14 Electromagnetic compatibility
5.15 Noise
5.16 Standby power
5.17 Mechanical properties of caster wheel
5.18 Weatherability
5.19 Clean air delivery rate
6 Test methods
6.1 Test conditions
6.2 Installation requirements
6.3 Data processing
6.4 Test run test
6.5 Test for sealing performance of refrigeration system
6.6 Test for dehumidification performance under nominal working condition
6.7 Test for dehumidification performance under high temperature condition
6.8 Test for maximum loaded operation
6.9 Test for dehumidification operation at low temperature
6.10 Test for removal of condensation and condensate
6.11 Dielectric test under water overflow condition
6.12 Test for limitation of heat exchange
6.13 Test for power failure protection
6.14 Safety test
6.15 Electromagnetic compatibility test
6.16 Noise test
6.17 Standby power test
6.18 Test for mechanical properties of caster wheel
6.19 Weatherability test
6.20 Test for clean air delivery rate
6.21 Test for eliminating rate
7 Inspection rules
7.1 End-of-manufacturing inspection
7.2 Sampling inspection
7.3 Type inspection
8 Marking, packaging, transportation and storage
8.1 Marking
8.2 Packaging
8.3 Transportation and storage
Annex A (Normative) Test method for dehumidification performance
A.1 General
A.2 Test procedure
A.3 Calculation of test results
Annex B (Normative) Test method for dehumidifiers noise
B.1 Test site
B.2 Measuring instrument
B.3 Installation and operating conditions
B.4 Designated noise measuring points
B.5 Measurement method
Annex C (Normative) Methods for correcting the dehumidification consumption power of a dehumidifier with static pressure
C.1 General
C.2 The fan input power of a dehumidifier with a connected air duct
Bibliography
Figure 1 Obstacles
Figure 2 Obstacle arrangement
Figure B.1 The measuring point positions of the dehumidifier installed on the ceiling with a static pressure less than or equal to 12 Pa
Figure B.2 The measuring point positions of the dehumidifier installed on the ceiling with a static pressure greater than 12 Pa (return air from the side)
Figure B.3 The measuring point positions of the dehumidifier installed on the ceiling with a static pressure greater than 12 Pa (return air from the bottom)
Figure B.4 The measuring point positions of the dehumidifier installed on the floor with a static pressure of 0 Pa
Figure B.5 The measuring point positions of the dehumidifier installed on the floor with a static pressure greater than 0 Pa and with top air outlet
Figure B.6 The measuring point positions of the dehumidifier installed on the floor with a static pressure greater than 0 Pa and with side air outlet
Figure B.7 The measuring point positions of the dehumidifier with non-fixed installation
Figure B.8 The measuring point positions of the wall-mounted dehumidifier
Figure B.9 The measuring point positions of the embedded dehumidifier with four-way air outlet
Figure B.10 The measuring point positions of the dehumidifier with side air outlet
Figure B.11 The measuring point positions of the dehumidifier with top air outlet
Table 1 Normal working ambient temperature conditions
Table 2 Test conditions
Table 3 Limits of dehumidification capacity per consumption power
Table 4 Maximum voltage drop of protective earthing circuit
Table 5 Noise limits (sound pressure level)
Table 6 Types and accuracy of instruments
Table 7 Allowable deviations of test conditions
Table 8 Inspection items
Table 9 Contents of nameplate
除 湿 机
1
范围
本文件规定了除湿机的型式与基本参数、技术要求、试验方法、检验规则以及标志、包装、运输和贮存。
本文件适用于采用由电动机驱动的蒸气压缩制冷循环进行除湿的除湿机。
本文件不适用于全新风除湿机。
2
规范性引用文件
下列文件中的内容通过文中的规范性引用而构成本文件必不可少的条款。其中,注日期的引用文件,仅该日期对应的版本适用于本文件;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/T191 包装储运图示标志
GB/T2423.17 电工电子产品环境试验 第2部分:试验方法 试验Ka:盐雾
GB/T2423.55 环境试验 第2部分:试验方法 试验Eh:锤击试验
GB/T2828.1 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
GB2894—2008 安全标志及其使用导则
GB/T3241 电声学 倍频程和分数倍频程滤波器
GB/T3767—2016 声学 声压法测定噪声源声功率级和声能量级反射面上方近似自由场的工程法
GB/T3785.1—2010 电声学声级计 第1部分:规范
GB/T4208 外壳防护等级(IP代码)
GB4343.1—2018 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/T4343.2 家用电器、电动工具和类似器具的电磁兼容要求 第2部分:抗扰度
GB4706.1—2005 家用和类似用途电器的安全 第1部分:通用要求
GB4706.32—2012 家用和类似用途电器的安全热泵、空调器和除湿机的特殊要求
GB/T5226.1—2019 机械电气安全机械电气设备 第1部分:通用技术条件
GB/T6388 运输包装收发货标志
GB6882 声学声压法测定噪声源声功率级和声能量级消声室和半消声室精密法
GB/T9237 制冷系统及热泵安全与环境要求
GB/T9286—2021 色漆和清漆划格试验
GB/T13306 标牌
GB/T15173—2010 电声学声校准器
GB/T16842—2016 外壳对人和设备的防护检验用试具
GB17625.1—2022 电磁兼容限值第1部分:谐波电流发射限值(设备每相输入电流≤16A)
GB/T17625.8 电磁兼容限值每相输入电流大于16A小于等于75A连接到公用低压系统的设备产生的谐波电流限值
GB/T17758 单元式空气调节机
GB/T18801—2022 空气净化器
GB21551.3—2010 家用和类似用途电器的抗菌、除菌、净化功能空气净化器的特殊要求
GB/T26572 电子电气产品中限用物质的限量要求
JB/T7249 制冷与空调设备术语
JB/T10359—2013 空调器室外机用塑料环境技术要求
3
术语和定义
JB/T7249界定的以及下列术语和定义适用于本文件。
3.1
除湿机
dehumidifier
除去空气中水分或降低空气含湿量的装置。
3.2
舒适型除湿机comfortdehumidifier
用以满足人类活动空间舒适性环境要求的除湿机。
3.3
工艺型除湿机
processdehumidifier
用于工艺和生产过程以及有特殊除湿要求场合的除湿机。
3.4
除湿量
dehumidificationcapacity
DC
在规定的标准工况或特定的使用工况下,除湿机单位时间内除去的水量。
注1:单位为千克每小时(kg/h)或升每天(L/d)。
注2:除湿机的名义除湿量用DCR表示。
3.5
除湿消耗功率
dehumidificationconsumptionpower
DP
在规定的标准工况或特定的使用工况下,除湿机除湿运行时的输入总功率。
注:单位为千瓦(kW)。
…
4
型式与基本参数
4.1 型式
4.1.1 除湿机按适用的回风温度范围分为:
a) A型(18℃~35℃);
b) B型(5℃~35℃);
c) C型(用户定制)。
注:回风包括与新风混合后的回风。
4.1.2 除湿机按用途分为:
a) 舒适型(S型);
b) 工艺型(G型)。
注:对应不同的回风温度类型,舒适型除湿机和工艺型除湿机用AS型、BG型等来表示。
4.1.3 除湿机按冷凝方式分为:
a) 风冷式;
b) 水冷式;
c) 组合式。
4.1.4 除湿机按功能类型分为:
a) 升温型;
b) 降温型;
c) 调温型。
4.1.5 除湿机按结构类型分为:
a) 整体式;
b) 分体式。
4.1.6 除湿机按送风方式分为:
a) 直吹型;
b) 风管型。
4.1.7 除湿机按能力调节方式分为:
a) 定容型;
b) 非定容型。
注:定容型和非定容型的概念参照GB/T17758—2023。
4.2 型号
除湿机的型号编制方法由制造商自行确定,但型号中宜体现除湿机名义工况下的除湿量。
