MAGNETIC INDUCTION ALARM DEVICE

摘要

A magnetic induction alarm device for a locking device is provided. The locking device includes a base and a latch knob disposed on the base movably along a route including a lock section and an unlock section next to the lock section. The magnetic induction alarm device includes a magnetic element and a magnetic induction unit. The magnetic element links up with an end of the latch knob and has a magnetic region. The magnetic induction unit is disposed next to the locking device and includes a shell including a holding space, a magnetic reed switch and an alarm module disposed inside the holding space and electrically connects the magnetic reed switch. The magnetic reed switch is disposed next to the lock section and is inside the holding space, wherein the magnetic region covers the magnetic reed switch when the magnetic element is located within the lock section.

主权项

1. A magnetic induction alarm device for a locking device, the locking device including a base and a latch knob disposed on the base movably along a route, the route including a lock section and an unlock section next to the lock section, the magnetic induction alarm device comprising:
a magnetic element linking up with an end of the latch knob and having a magnetic region; and a magnetic induction unit next to the locking device, the magnetic induction unit including:
a shell having a holding space;a magnetic reed switch disposed next to the lock section and inside the holding space, wherein the magnetic region covers the magnetic reed switch when the magnetic element is located within the lock section; andan alarm module disposed inside the holding space and electrically connecting the magnetic reed switch.