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Container door electronic seal system

  • US 10,354,502 B2
  • Filed: 03/17/2016
  • Issued: 07/16/2019
  • Est. Priority Date: 12/07/2015
  • Status: Active Grant
First Claim
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1. An electronic seal system for a container door for sensing abnormal opening/closing of the container door, wherein the container door comprises a retainer on which a locking rod installed outside the container door is seated and a handle hatch which binds or unbinds a handle seated on the retainer,wherein the electronic seal system comprises:

  • an electronic seal, which binds the retainer and the handle hatch, and which wirelessly transmits the abnormal opening/closing information of the container door to outside the container door;

    a first connector electrically extending from the electronic seal;

    a second connector, which is installed on the container door, and which is electrically connected to the first connector; and

    a first sensing unit electrically connected to the second connector to sense whether the handle hatch is opened or closed; and

    whereinthe container door further comprises;

    a rotation shaft passed through the container door and extended to an inner side and an outer side of the container door;

    a plate coupled to the rotation shaft extended to the inner side;

    a lifting member rotatably coupled to the plate; and

    a locking bar coupled to a lower side of the lifting member to lock or unlock the container door by being fixed to, or separated from a descending portion formed on a lower portion in a container,wherein the first sensing unit comprises;

    a magnet installed on the plate or the lifting member; and

    a magnet switch configured to be turned on or off by the magnet installed on the plate to generate a signal corresponding to opening or closing of the handle hatch when the handle hatch is in the handle unlock position.

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