Electronic lock cuts power needs
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New Scale Technologies product story
Edited by the Engineeringtalk editorial team
Sep 19, 2007
The SQLM Squiggle motor lock module is designed to drop into existing lock or latch assemblies, allowing lock manufacturers to reduce the size and power requirements of their electronic locks.
New Scale Technologies today announced a new low-power actuator for next-generation electronic locks and latches.
The SQLM Squiggle motor lock module draws far less power than solenoids or stepper motors and uses only half the space.
It is designed to drop into existing lock or latch assemblies, allowing lock manufacturers to reduce the size and power requirements of their electronic locks.
The SQLM-3.4-4 actuator assembly contains a piezoelectric Squiggle motor with optical limit switches in a compact polymer housing measuring 6 x 6 x 17mm.
In a typical lock application, the tip of the Squiggle motor screw is used to push a spring-loaded shear pin, which engages the latching mechanism.
The Squiggle motor provides 4mm of stroke with high force and speed, and holds its position with power off.
A complete SQLM lock module includes the actuator and an MC-4012-3.4 driver card, powered by two AA batteries and controlled using TTL control signals.
The 33 x 38 x 10mm card is ready for installation next to the lock microprocessor and power source, or can be used as a reference design for ASIC implementation.
Traditional mechanical lock and key systems are rapidly being displaced by magnetic cards, key panels and biometric sensors in many commercial applications.
Electronic access systems improve security, allow companies to monitor and flexibly control access to different areas and reduce total system cost.
In addition to building and facility access, electronic locks and latches are increasingly used for applications such as pharmaceutical cabinets and carts in hospitals, safety interlocks in automotive applications and protective interlocks on IT hardware.
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