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 濕 機
1
范圍
本文件規定了除濕機的型式與基本參數、技術要求、試驗方法、檢驗規則以及標志、包裝、運輸和貯存。
本文件適用于采用由電動機驅動的蒸氣壓縮制冷循環進行除濕的除濕機。
本文件不適用于全新風除濕機。
2
規范性引用文件
下列文件中的內容通過文中的規范性引用而構成本文件必不可少的條款。其中,注日期的引用文件,僅該日期對應的版本適用于本文件;不注日期的引用文件,其最新版本(包括所有的修改單)適用于本文件。
GB/T191 包裝儲運圖示標志
GB/T2423.17 電工電子產品環境試驗 第2部分:試驗方法 試驗Ka:鹽霧
GB/T2423.55 環境試驗 第2部分:試驗方法 試驗Eh:錘擊試驗
GB/T2828.1 計數抽樣檢驗程序 第1部分:按接收質量限(AQL)檢索的逐批檢驗抽樣計劃
GB2894—2008 安全標志及其使用導則
GB/T3241 電聲學 倍頻程和分數倍頻程濾波器
GB/T3767—2016 聲學 聲壓法測定噪聲源聲功率級和聲能量級反射面上方近似自由場的工程法
GB/T3785.1—2010 電聲學聲級計 第1部分:規范
GB/T4208 外殼防護等級(IP代碼)
GB4343.1—2018 家用電器、電動工具和類似器具的電磁兼容要求 第1部分:發射
GB/T4343.2 家用電器、電動工具和類似器具的電磁兼容要求 第2部分:抗擾度
GB4706.1—2005 家用和類似用途電器的安全 第1部分:通用要求
GB4706.32—2012 家用和類似用途電器的安全熱泵、空調器和除濕機的特殊要求
GB/T5226.1—2019 機械電氣安全機械電氣設備 第1部分:通用技術條件
GB/T6388 運輸包裝收發貨標志
GB6882 聲學聲壓法測定噪聲源聲功率級和聲能量級消聲室和半消聲室精密法
GB/T9237 制冷系統及熱泵安全與環境要求
GB/T9286—2021 色漆和清漆劃格試驗
GB/T13306 標牌
GB/T15173—2010 電聲學聲校準器
GB/T16842—2016 外殼對人和設備的防護檢驗用試具
GB17625.1—2022 電磁兼容限值第1部分:諧波電流發射限值(設備每相輸入電流≤16A)
GB/T17625.8 電磁兼容限值每相輸入電流大于16A小于等于75A連接到公用低壓系統的設備產生的諧波電流限值
GB/T17758 單元式空氣調節機
GB/T18801—2022 空氣凈化器
GB21551.3—2010 家用和類似用途電器的抗菌、除菌、凈化功能空氣凈化器的特殊要求
GB/T26572 電子電氣產品中限用物質的限量要求
JB/T7249 制冷與空調設備術語
JB/T10359—2013 空調器室外機用塑料環境技術要求
3
術語和定義
JB/T7249界定的以及下列術語和定義適用于本文件。
3.1
除濕機
dehumidifier
除去空氣中水分或降低空氣含濕量的裝置。
3.2
舒適型除濕機comfortdehumidifier
用以滿足人類活動空間舒適性環境要求的除濕機。
3.3
工藝型除濕機
processdehumidifier
用于工藝和生產過程以及有特殊除濕要求場合的除濕機。
3.4
除濕量
dehumidificationcapacity
DC
在規定的標準工況或特定的使用工況下,除濕機單位時間內除去的水量。
注1:單位為千克每小時(kg/h)或升每天(L/d)。
注2:除濕機的名義除濕量用DCR表示。
3.5
除濕消耗功率
dehumidificationconsumptionpower
DP
在規定的標準工況或特定的使用工況下,除濕機除濕運行時的輸入總功率。
注:單位為千瓦(kW)。
…
4
型式與基本參數
4.1 型式
4.1.1 除濕機按適用的回風溫度范圍分為:
a) A型(18℃~35℃);
b) B型(5℃~35℃);
c) C型(用戶定制)。
注:回風包括與新風混合后的回風。
4.1.2 除濕機按用途分為:
a) 舒適型(S型);
b) 工藝型(G型)。
注:對應不同的回風溫度類型,舒適型除濕機和工藝型除濕機用AS型、BG型等來表示。
4.1.3 除濕機按冷凝方式分為:
a) 風冷式;
b) 水冷式;
c) 組合式。
4.1.4 除濕機按功能類型分為:
a) 升溫型;
b) 降溫型;
c) 調溫型。
4.1.5 除濕機按結構類型分為:
a) 整體式;
b) 分體式。
4.1.6 除濕機按送風方式分為:
a) 直吹型;
b) 風管型。
4.1.7 除濕機按能力調節方式分為:
a) 定容型;
b) 非定容型。
注:定容型和非定容型的概念參照GB/T17758—2023。
4.2 型號
除濕機的型號編制方法由制造商自行確定,但型號中宜體現除濕機名義工況下的除濕量。
