Electronic Lock Adaptation for Left-Right Door Orientation
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Solution Overview
Problem
Conventional electronic locks are designed for specific door orientations, leading to inconvenience and additional costs when the door orientation changes, as existing locks are not adaptable to left-handed or right-handed doors without purchasing new latches.
Innovation Solution
An electronic lock with a rotational actuator and switch units that automatically determines the door orientation by controlling the actuator's rotation direction and switch contact sequence, allowing the lock to be adapted to both left-handed and right-handed doors.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If electronic locks are designed with latches matching specific door opening sides, then the lock can function properly on that specific door orientation, but the lock cannot be used on doors with different opening sides, requiring additional purchase and installation
Solution Approach 1:
The electronic lock incorporates a rotational actuator that can dynamically adjust the latch arrangement between different orientations. The actuator receives control signals to rotate the latch mechanism, enabling the same lock body to adapt to both left-handed and right-handed doors without requiring physical reconfiguration or replacement of the latch component.
Solution Approach 2:
The system changes the operational parameter of latch orientation through rotational actuation. By controlling the rotation angle and direction of the actuator, the latch can be positioned in different orientations to match different door opening sides, transforming a fixed-parameter design into a variable-parameter solution.
2Ease of manufacture
If electronic locks are designed for specific door orientations, then the latch arrangement is optimized for that orientation, but changing door orientation requires purchasing new locks, causing economic loss and inconvenience
Solution Approach 1:
The electronic lock is designed as a universal device that can serve multiple door orientation configurations. By integrating the rotational actuator mechanism, a single lock model can function on both left-handed and right-handed doors, eliminating the need for separate lock models or additional purchases when door orientations change.
Solution Approach 2:
The system performs preliminary detection of the door opening side and pre-adjusts the latch orientation before the user attempts to use the lock. The control unit detects which side the door opens on and automatically positions the latch in the appropriate orientation, so the user experiences seamless compatibility without manual configuration.
3Device complexity
If the latch arrangement is fixed for a specific door side, then the lock structure is simple and reliable, but it cannot adapt when spatial planning changes require switching door opening sides
Solution Approach 1:
The lock system is segmented into independent functional modules: the fixed lock body, the rotational actuator mechanism, and the movable latch component. This segmentation allows the latch to be independently rotated and repositioned without affecting the overall lock structure, enabling adaptability while maintaining structural simplicity.
Data Source
AI summary
A method for automatically determining the direction installation of an electronic lock is disclosed. The method achieves automatic determination of the electronic lock installed on the left-handed or right-handed door by controlling rotational directions of the rotational actuator and determining the touching sequence of switch units, so as to enable the electronic lock to be adapted to both the left-handed door and right-handed door, thereby significantly broadening the application scope and convenience of the electronic lock.