The use of door magnets in GPS positioning systems for lorries


Speaking of door magnets are generally known to be installed in fixed doors and windows as a burglar alarm system in the intrusion detector, or used in access control systems in the door locks of the anti-theft detector. In fact, the use of door magnets in other areas is also very extensive, such as this article talks about the GPS positioning system of the truck door of the anti-theft and intrusion detection. The movement of the car in the uneven road driving, vibration is very large, the door magnet vibration performance put forward high requirements, while the door magnet induction distance requirements of 70-80MM, because the door in motion will often be misplaced. There are also some trucks travelling in low-temperature environments all year round, which is also a challenge for the conventional door magnet material, and the general power supply wire can not be adapted to minus 20 degrees. Therefore, the door magnet performance requirement of GPS positioning system is very high, Wuzhoulong 5C-59M and 5C-58M are special door magnet switches specially designed for the GPS positioning system of trucks.

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