| 摘要 |
The present invention relates to a heat radiation device for an LED tunnel lamp. A venthole is formed in a vertical frame and a venthole is formed between an intermediate horizontal frame and a lower horizontal frame. Therefore, the heat radiation fins of a heat radiation plate, which is inserted between the intermediate horizontal frame and the lower horizontal frame and is mounted on the lower horizontal frame, come smoothly in contact with a natural wind and a traffic wind in a tunnel, which blow through the ventholes, thereby improving the heat radiation performance of the heat radiation plate. The performance of an LED module consisting of a metallic substrate and an LED chip and having the metallic substrate mounted on the cooling plate body of a cooling plate is improved, thereby lowering the operating temperature of the LED chip, improving the light emission performance of the LED chip and extending a life span thereof. |
