| 摘要 |
A projection system is provided to improve the assembling structure of a lamp assembly, thereby easily replacing the lamp assembly easily and preventing the damage of a lamp during replacement of the lamp assembly. A projection system comprises a lamp assembly(21) and an engine base(11) for mounting the lamp assembly thereon. The lamp assembly includes a lamp for emitting white light, and a lamp case for wrapping and protecting the lamp. The lamp case has a handle groove. The engine base has a guide rib(111) for guiding the entrance or exit of the lamp assembly. The handle groove is formed by bending a portion of the lamp case at a predetermined curvature.
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