发明名称 |
LIGHTING UNIT AND METHOD PREVENTING OVERHEATING OF LAMP (VARIANTS ) |
摘要 |
FIELD: lighting engineering. SUBSTANCE: proposed lighting unit includes lamp emitting light with supply of electric current from external network and fan connected to motor for suction of outer air with rotation of fan to cool lamp. When amount of dust determined with the use of dust trap is above specified level in the course of preset time period lamp switches off to prevent its overheating as result of failure of fan to avoid possible failure of lighting unit and inadvertent fire. EFFECT: enhanced operational reliability of lamp. 5 cl, 6 dwg
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申请公布号 |
RU2137028(C1) |
申请公布日期 |
1999.09.10 |
申请号 |
RU19970114544 |
申请日期 |
1997.08.25 |
申请人 |
KVANGDZHU EHLEKTRONIKS KO., LTD. |
发明人 |
DZHUNG-GON SONG;KI-MAN KIM |
分类号 |
F21V29/00;F21V25/10;F21V29/02;H05B37/02;H05B39/04;(IPC1-7):F21V29/00;F21S1/02;F21V33/00 |
主分类号 |
F21V29/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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