灯具第2-22部分:特殊要求应急照明灯具

[中文适用范围]： IEC 60598 的这第 22-22 部分规定了在不超过 1000 V 的应急电源上使用的电灯应急灯具的要求。本文件不涵盖采用高压放电灯的灯具因非应急电压降低而产生的影响。本文件给出了应急照明设备的一般要求。在本文件中，术语“灯”也酌情包括“光源”。 [外文原描述]： IEC 60598-2-22:2021 RLV contains both the official IEC International Standard and its Redline version. The Redline version is available in English only and provides you with a quick and easy way to compare all the changes between the official IEC Standard and its previous edition. IEC 60598-2-22:2021 specifies requirements for emergency luminaires for use with electrical lamps on emergency power supplies not exceeding 1 000 V. This fifth edition cancels and replaces the fourth edition published in 2014 and Amendment 1:2017. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition: - update of requirements for rest mode and inhibiting mode; - clarification of high temperature operation tests; - introduction of new requirements for lithium batteries; - introduction of new requirements for electric double layer capacitors (EDLCs); - clarification of resistance to heat, fire and tracking; - clarification of test facilities for self-contained luminaires; - clarification of the test method for contrast measurements of exit signs.