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由青岛铁路分局青岛车辆段和青岛市通宝联合实业公司联合研制开发的铁路客车直流15W荧光灯装置,于1994年9月7日通过了济南铁路局组织的技术鉴定。 该装置是一种直接使用客车直流电源供电、并在直流状态下工作的荧光灯。它由直流荧光灯管、控制器和启动器3部分组成,直接使用44～60V直流电源,在接通直流电源后,灯管灯丝预热约1～3s,启动器断路,产生脉冲高压,击穿荧光灯管,灯管起弧点亮。该装置具有恒流、高光效、无频闪、无电磁干扰、一次启动及工作电流稳定等特点,较好地解决了直流荧光灯的“电泳效应”和电路效率的两大关键问题。 该装置先后经轻工业部电光源质量检测中
The railway passenger car DC 15W fluorescent lamp device developed jointly by Qingdao Railway Depot of Qingdao Railway Branch and Qingdao Tongbao Joint Industrial Company passed the technical appraisal organized by Jinan Railway Bureau on September 7, 1994. The device is a direct use of passenger car DC power supply, and work in the DC state of the fluorescent lamp. It consists of DC fluorescent tube, controller and starter 3 parts, direct use of 44 ~ 60V DC power supply, connected to the DC power supply, the lamp filament preheat about 1 ~ 3s, the starter circuit, resulting in high voltage pulse, breakdown Fluorescent tube, lamp arc starting bright. The device has the characteristics of constant current, high luminous efficiency, no flicker, no electromagnetic interference, a start-up and stable working current, which solves the two key problems of “electrophoresis effect” and circuit efficiency of DC fluorescent lamp well. The device has passed the Light Industry Ministry of Light Quality Inspection