GB/T 7000.224-2023Luminaires - Part 2-24: Particular requirements - Luminaires with limited surface temperatures (English PDF)

Foreword

This document complies with the provisions of GB/T 1.1-2020 "Standardization Work Guidelines Part 1: Structure and Drafting Rules of Standardization Documents" Drafting:

This document is part 2-24 of GB (/T)7000: GB (/T)7000 has released the following parts:

---Lamps Part 1: General requirements and tests (GB/T 7000.1-2023);

---Lamps Part 2-1: Fixed universal lamps with special requirements (GB/T 7000.201-2023);

---Lamps Part 2-2: Special requirements for embedded lamps (GB/T 7000.202-2023);

---Lamps Part 2-3: Special requirements for road and street lighting fixtures (GB 7000.203-2013);

---Lamps Part 2-4: Movable general-purpose lamps with special requirements (GB/T 7000.204-2023);

---Lamps Part 2-5: Special requirements for floodlights (GB/T 7000.205-2023);

---Lamps Part 2-6: Special requirements for lamps with built-in tungsten filament lamp transformers or converters (GB 7000.6-2008);

---Lamps Part 2-8: Special requirements portable lamps (GB/T 7000.208-2023);

---Safety requirements for lighting fixtures for photography and film (non-professional use) (GB 7000.19-2005);

---Lamps Part 2-10: Special requirements for removable lamps for children (GB 7000.4-2007);

---Lamps Part 2-11: Special requirements for aquarium lamps (GB/T 7000.211-2023);

---Lamps Part 2-12: Night lights with special requirements for power socket installation (GB/T 7000.212-2023);

---Lamps Part 2-13: Special requirements for ground recessed lamps (GB/T 7000.213-2023);

---Lamps Part 2-14: Special requirements for lamps using cold cathode tubular discharge lamps (neon lamps) and similar equipment (GB 7000.214-2015);

---Lamps Part 2-17: Special requirements for stage lighting, television, film and photography venues (indoor and outdoor) (GB/T 7000.217-2023);

---Lamps Part 2-18: Special requirements for lamps for swimming pools and similar places (GB/T 7000.218-2023);

---Lamps Part 2-20: Special requirements for light strings (GB/T 7000.220-2023);

---Lamps Part 2-21: Special requirements for light strips (GB/T 7000.221-2023);

---Lamps Part 2-22: Special requirements for emergency lighting fixtures (GB/T 7000.222-2023);

---Lamps Part 2-23: Special requirements for extra-low voltage (ELV) lighting systems for extra-low voltage (ELV) light sources GB/T 7000.223-

2023);

---Lamps Part 2-25: Special requirements for lamps used in hospitals and rehabilitation building clinics (GB 7000.225-2008):

This document replaces GB 7000.17-2003 "Safety Requirements for Lamps with Limited Surface Temperature": Compared with GB 7000.17-2003, except for the structure in addition to adjustments and editorial changes, the main technical changes are as follows:

a) Scope

The specific provisions on applicable places in the scope have been deleted, and only a principle description is given (see Chapter 1, Chapter 1 of the:2003 edition):

b) Terms and definitions - Added terms and definitions of "explosive gas environment" (see 4.2);

- The definition of "combustible dust" has been deleted (see 3.2 of the:2003 edition);

- Changed the definition of the term "explosive dust environment" (see 4.3, 3:3 of the:2003 edition):

c) Lamp classification Changes have been made to the category regulations for classifying lamps according to the place of use (see Chapter 5, Chapter 4 of the:2003 edition):

d) Structure

- In order to be consistent with international wiring regulations, the requirements for the enclosure protection level of lamps are changed from IP6X to IP4X (see 7.1, 2003 version 6:1);

- Changed the structural requirements (see 7.1, 6:1 of the:2003 version):

e) Durability test and thermal test - Changed all horizontal surface temperature limits for luminaires exposed to dust accumulation during normal operation (see 13.1,:2003 edition of Chapter 12);

- Added requirements to introduce temperature limits for glass surfaces of all light sources exposed to the risk of dust (see 13.1);

- Added requirements for surface temperature limits of lamps exposed to dust accumulation during fault conditions (see 13.3):

This document is modified to adopt IEC 60598-2-24:2013 "Lamps Part 2-24: Special requirements limiting surface temperature luminaires":

Compared with IEC 60598-2-24:2013, this document has made the following structural adjustments:

---Chapter 3 corresponds to Chapter 4 in IEC 60598-2-24:2013;

---Chapter 4 corresponds to Chapter 3 in IEC 60598-2-24:2013:

The technical differences between this document and IEC 60598-2-24:2013 and their reasons are as follows:

---Replaced IEC 60598-1 with normatively cited GB/T 7000.1 to facilitate the reading and application of product standards:

Please note that some content in this document may be subject to patents: The publisher of this document assumes no responsibility for identifying patents:

Introduction

GB (/T)7000 "Lamps" is intended to consist of the following parts:

---Part 1: General requirements and tests: The purpose is to specify the use of electric light sources and lamps with a power supply voltage not exceeding 1000V:

General requirements:

---Part 2-1: Special requirements for fixed general-purpose luminaires: The purpose is to stipulate that the power supply voltage does not exceed 1000V for electro-optical Requirements for fixed general-purpose luminaires whose source is a light source:

---Part 2-2: Special requirements for recessed lighting fixtures: The purpose is to stipulate that the power supply voltage does not exceed 1000V and the electric light source is used as the light source:

source of recessed light fixtures:

---Part 2-3: Special requirements for road and street lighting fixtures: The purpose is to stipulate that the power supply voltage of the electric light source does not exceed Requirements for 1000V lighting fixtures for roads, street lighting and other outdoor public places, as well as tunnel lighting and normal ground lighting Requirements for column-type synthetic luminaires with a minimum total height above the surface of 2:5m:

---Part 2-4: Removable general-purpose lamps with special requirements: Purpose is to provide for indoor and/or outdoor use other than portable lamps Requirements for portable general-purpose lamps with power supply voltage not exceeding 250V and using electric light sources as light sources (such as for courtyard use):

---Part 2-5: Special requirements for floodlights: The purpose is to stipulate the use of electric light sources and power supply voltages not exceeding 1000V:

lighting requirements:

---Part 2-8: Special requirements for portable lamps: The purpose is to stipulate the use of portable electric light sources with a power supply voltage not exceeding 250V:

Requirements for lamps and similar portable luminaires:

---Part 2-10: Removable lamps for children with special requirements: The purpose is to stipulate the safety requirements for removable lamps for children:

Use tungsten lamps or single-ended fluorescent lamps with a power supply voltage not exceeding 250V:

---Part 2-11: Special requirements for aquarium lighting fixtures: The purpose is to stipulate the use of electric light sources with a power supply voltage not exceeding 1000V Special requirements for home aquarium lighting fixtures:

---Part 2-12: Night lights with special requirements for power outlet installation: The purpose is to stipulate the use of electric light sources and power supply voltages not exceeding Requirements for night lights installed in AC 250V50/60Hz power sockets:

---Part 2-13: Special requirements for ground recessed lighting fixtures: The purpose is to stipulate the use of electric light sources and the power supply voltage does not exceed 1000V Requirements for ground recessed lighting fixtures:

---Part 2-14: Special requirements for the use of cold cathode tubular discharge lamps (neon lamps) and similar equipment: The purpose is to stipulate the power supply voltage does not exceed 1000V and the no-load rated output voltage is greater than 1000V but not more than 10000V:

Requirements for the manufacture and use of cold cathode tubular discharge lamps and similar equipment:

---Part 2-17: Special requirements for stage lighting, television, film and photography venues (indoor and outdoor) lighting fixtures: The purpose is to provide for the Electric light source, power supply voltage does not exceed 1000V, used in outdoor and indoor stage lighting, television, movie and photography venues Requirements for luminaires (including spot and floodlight projections):

---Part 2-18: Special requirements for lighting fixtures in swimming pools and similar places: The purpose is to provide for use in water or contact with water Safety requirements for fixed luminaires:

---Part 2-20: Special requirements for light strings: The purpose is to stipulate that the power supply voltage does not exceed 250V and is used for indoor or outdoor installations:

Safety requirements for light strings with light sources connected in series, parallel or a series/parallel combination:

---Part 2-21: Special requirements for light strips: The purpose is to stipulate that the power supply voltage does not exceed 250V and is used indoors or outdoors:

There are safety requirements for light strips (sealed light strings) that are irreplaceable in series or parallel and combinations of series and parallel light sources:

---Part 2-22: Special requirements for emergency lighting fixtures: The purpose is to stipulate that the emergency power supply voltage does not exceed 1000V:

Light source requirements for emergency lighting fixtures:

---Part 2-23: Special requirements for extra-low voltage (ELV) light sources and extra-low voltage lighting systems: The purpose is to specify the supply voltage Requirements for extra-low voltage lighting systems for extra-low voltage (ELV) light sources not exceeding 1000V for ordinary indoor use:

---Part 2-24: Special requirements limiting surface temperature lamps: The purpose is to stipulate that the power supply voltage of the electric light source does not exceed 1000V lamps used in places where the outer surface temperature of the lamp needs to be limited due to thermal effects, risk of material burning or deterioration Require:

---Part 2-25: Special requirements for lamps used in hospitals and rehabilitation building clinics: The purpose is to regulate the use of tungsten lamps, fluorescent lamps and other Other gas discharge lamps are used as light sources and the power supply voltage does not exceed 1000V for medical treatment and examination in clinics and in hospitals:

and safety requirements for lighting fixtures used in medical care in rehabilitation buildings:

When any clause of GB/T 7000.1 is quoted in this document, it stipulates the scope of application of the clause and the test sequence of each test, and stipulates Necessary additional requirements are set:

Luminaires Part 2-24: Special requirements Limit surface temperature fixtures

1 Scope

This document specifies lamps intended for use in locations where it is necessary to limit the external surface temperature of the luminaire due to thermal effects, risk of material burning or degradation requirements, but there is no risk of explosion in the environment of this location: The power supply voltage of the electric light source used by the lamps does not exceed 1000V:

This document does not apply to lamps used in explosive gas environments and explosive dust environments:

2 Normative reference documents

The contents of the following documents constitute essential provisions of this document through normative references in the text: Among them, the dated quotations for undated referenced documents, only the version corresponding to that date applies to this document; for undated referenced documents, the latest version (including all amendments) applies to this document:

GB/T 7000.1 Luminaires Part 1: General requirements and tests (GB/T 7000.1-2023, IEC 60598-1:2020, MOD) ISO 4225 Airquality-Generalaspects-Vocabulary Note: HJ492-2009 Air Quality Vocabulary (ISO 4225:1994, MOD) IEC 60364-4-42 Low-voltage electrical installations Part 4-42: Safety protection Thermal effect protection (Low-voltageelectricalin-Note: GB/T 16895.2-2017 Low-voltage electrical installations Part 4-42: Safety protection thermal effect protection (IEC 60364-4-42:2010, IDT)

3 Terms and definitions

The terms and definitions defined in Part 1 1) and below apply to this document:

1) The "Part 1" mentioned in this document refers to GB/T 7000.1:

Dust

Solid tiny particles (including Dust and dust particles as defined in ISO 4225):

Under atmospheric conditions, a mixture of flammable substances in the form of gas or vapor with air can keep burning after being ignited:

communication environment:

[Source: GB/T 2900.35-2023,426-01-07] 3.3 Under atmospheric conditions, the mixture of dust, fibers or flying flammable substances and air can maintain spontaneous combustion after being ignited:

communication environment: