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Multi LED를 이용한 철도차량용 Door Status Indication Lamp (pp.1466-1472)
서범원(Bum-Won Seo),최재성(Jae-Sung Choi),김동일(Dong-IL Kim) 한국철도학회 2011 한국철도학회 학술발표대회논문집 Vol.2011 No.5
Door Inside Lamp of railway rolling stock is installed on interior of the side doors and illuminated at door opening and closing, isolation and fault. So drivers or passengers can notice the door status visually. In the past, a single color or Bi-color LED Lamps have been using and one ~ multiple lamp was used to implement the feature according to client’s requirements. (Example: Total of between 2 and 4 lamps are required for the Warning / Emergency operation / Isolation / Fault.) However these design is not easy to apply if there is the mounting space restrictions and the problems such as rising costs can be caused. In addition, it has vulnerability from point of view aesthetic aspects. Therefore the lamp type has been required that has small size and number of colors in order to resolve these problems. Recently multi LED type door status indication lamp have been developed that can meet the requirements and this lamp has been applied in many railway projects. In this study, I’ll introduce the general characteristics and mechanical & electrical characteristics of multi LED type door status indication lamp to help development of this kinds of lamp.
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최재성(Choi Jae-Sung),서범원(Seo Bum-won),박종천(Park Chong-Chon) 한국철도학회 2009 한국철도학회 학술발표대회논문집 Vol.2009 No.11월
The head lights is the device that the driver can see the object on the rail or check the emergency situation when the train is operated at night or in the tunnel, and also the head light is indicating the forward direction of the train. Generally, The sealed beam halogen type head lights for the rolling stock have been used, but the problems that are short life and the generatoin of heat have been brought about because the head lihgts of rolling stock are supposed to operated continuously long time, and high power consumption. So, the development of new type of head lights has been requested in order to solve these problems. And recently the various LED type lights have been developed and LED type head lights for rolling stock also has been developed. Therefore, we survey the characteristic, function and needed condition of the LED type head lights for rolling stock and present the developing system that can be a help to make design.
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