| 摘要 |
PURPOSE: A sewer pipe investigation device through a street inlet is provided, which is possible to investigate the state of a pipe freely on the abnormal state of a manhole inlet, easy to carry and possible to rotate from side to side. CONSTITUTION: A sewer pipe investigation device through a street inlet comprises a camera, an illuminator, a motor, a fixed stand and a protective film; a camera and two illuminators are fixed to a reducer shaft of a motor, therefore the internal state of a sewer pipe is investigable through a street inlet according to the forward/reverse direction of a motor and this apparatus is protected by a protective film for protecting a camera section and fixing a motor. Using the driving module of a DC motor to make possible on simple movements and comprising in a liquid crystal and a halogen provides convenience on movements and small specific volume.
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