| 摘要 |
PURPOSE: A container door opening and closing detection apparatus is provided to enable users to detect the opening or closing condition of container doors. CONSTITUTION: A container door opening and closing detection apparatus comprises the following: a body(110) including at least one space unit(112); a combining plate(114) extended from one predetermined position of the body; a supporter(120) located on the upper predetermined position of the body with the combining plate; a movement detector located on one predetermined position of the body; an antenna with one end combined to the combining plate, including a horizontal unit and a vertical unit; a draining groove formed on one end of the horizontal unit; a fixing plate(122) with more than one through-hole; penetration pins inserted into the through-holes; a contact plate(126) combined to one sides of the penetration pins; a coil spring(128) with one end fixed to the fixing plate; and a slide pin(132) located inside the body for detecting the movement.
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