Electric Lock with Integrated Alarm Detection
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Solution Overview
Problem
Conventional locks require key insertion for locking and unlocking, which is inconvenient when both hands are occupied, and they cannot be integrated with burglar alarm systems in a way that secures the detection devices and power cords, leading to risks of bypass or deactivation.
Innovation Solution
A lock design that includes a case with a latch bolt, driving rod, and detecting members, allowing for electric locking and unlocking without a key, and integration with a burglar alarm system to prevent unauthorized access by using detecting members to control the alarm system's activation based on the lock's state.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If conventional locks require key insertion for locking and unlocking, then the locking mechanism is simple and reliable, but the ease of operation deteriorates when both hands are occupied
Solution Approach 1:
The patent replaces the traditional mechanical key-operated locking system with an electric motor-driven locking mechanism. The motor can be controlled remotely or automatically, eliminating the need for manual key insertion and allowing operation when hands are occupied.
Solution Approach 2:
The lock system incorporates automatic detection devices that can trigger locking or unlocking operations automatically based on detected conditions, reducing the need for manual intervention and improving ease of operation.
2Reliability
If detection devices are mounted exposed on the door and door frame, then the burglar alarm system can detect unauthorized opening, but the reliability deteriorates due to risk of bypass or deactivation
Solution Approach 1:
The patent integrates the detection devices inside the lock body rather than mounting them exposed on the door and door frame. This nesting approach protects the detection devices from bypass or deactivation while maintaining their detection function, thereby improving reliability.
Solution Approach 2:
The detection devices are combined with the locking mechanism into a single integrated unit. This merging ensures that the detection function is protected within the secure lock structure while maintaining operational reliability.
3Reliability
If power cords between the burglar alarm systems and detecting devices are exposed on the door or door frame, then the alarm system can function, but the reliability worsens due to risk of bypass or deactivation
Solution Approach 1:
The power cords are routed and concealed within the lock body structure rather than being exposed on the door or door frame. This nesting protects the electrical connections from tampering while maintaining system functionality and reliability.
Data Source
AI summary
A lock includes a case receiving a driving device having a driving member. A connecting member is connected to the driving member to move therewith. The driving device can be actuated to move the connecting member between upper and lower positions to control alignment of a distal end of a locking member and a passageway of an unlocking member. A first detecting member is mounted in the case and operatively connected to the connecting member. A second detecting member is mounted in the space and connected to a burglar alarm system. When the distal end of the locking member is misaligned with the passageway, the first detecting member is in a conductive state and turns on the burglar alarm system. When the distal end of the locking member is aligned with the passageway, the first detecting member is in a non-conductive state and turns off the burglar alarm system.