Smart Deadbolt with Spring-Loaded Fingers and Motor Override
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Solution Overview
Problem
Traditional deadbolt systems lack remote control and advanced security features, making them inconvenient and less suitable for modern security needs, as they require physical presence for operation and do not integrate well with smart home systems.
Innovation Solution
A smart deadbolt device that fits over existing deadbolt knobs, providing remote control and monitoring capabilities through spring-loaded fingers and wireless communication, with manual override options, including a bidirectional electronically controlled motor and safety features like a no-power fail-open configuration.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If traditional deadbolt systems are used, then the locking mechanism is simple and reliable, but remote control capability and advanced security features are lacking
Solution Approach 1:
The smart device is designed to fit over the existing deadbolt knob, with the spring-loaded fingers nesting around the knob's turning mechanism. This nested configuration allows the smart locking system to integrate with the traditional deadbolt without requiring complete system replacement, thereby adding remote control capability while minimizing overall complexity
Solution Approach 2:
The device combines multiple functions into a single unit: the spring-loaded fingers provide mechanical locking, the wireless communication module enables remote control, and the manual override mechanism ensures operational reliability. This multi-functionality allows the system to perform both traditional deadbolt functions and modern smart locking features through one integrated device
2Ease of operation
If manual operation is required, then the locking mechanism remains simple, but convenience and integration with smart home systems are reduced
Solution Approach 1:
The spring-loaded fingers automatically engage with the deadbolt knob's turning mechanism to maintain its state without requiring active intervention. The wireless communication system automatically transmits and receives signals for remote operation, reducing the need for manual manipulation while maintaining operational simplicity when needed
Solution Approach 2:
The bidirectional electronically controlled motor acts as an intermediary between the wireless control system and the mechanical deadbolt mechanism. It translates electronic commands into mechanical motion to rotate the pin cylinder, bridging the gap between remote control interfaces and the physical locking mechanism
3Adaptability or versatility
If spring-loaded fingers are used to interfere with the knob's turning mechanism, then remote control capability is achieved, but the device becomes more complex
Solution Approach 1:
The spring-loaded fingers are designed to interfere only with the specific turning mechanism of the deadbolt knob, extracting and controlling just the rotational degree of freedom. This selective interference allows remote control capability to be achieved by targeting only the critical motion path without requiring control over the entire mechanical system
Solution Approach 2:
The patent replaces purely mechanical operation with an electronically controlled motor system that can be remotely actuated. The bidirectional motor substitutes for manual manipulation of the deadbolt, enabling wireless control while the spring-loaded fingers provide the mechanical interface between the electronic system and the traditional lock mechanism
4Reliability
If safety mechanisms like no-power fail-open configuration are implemented, then reliability is improved, but device complexity increases
Solution Approach 1:
The no-power fail-open configuration is designed in advance to automatically disengage the locking mechanism when power is lost. This preliminary safety design ensures that the deadbolt cannot remain locked during a power failure, preventing entrapment scenarios. The mechanism is pre-configured with spring-loaded components that naturally return to the unlocked position when actuating force is removed, providing fail-safe operation without requiring complex additional systems
Solution Approach 2:
The manually operable release mechanism provides a pre-prepared backup method for operation in case electronic systems fail. This manual override capability is built into the design from the outset, ensuring that users can always operate the deadbolt mechanically if needed, providing a safety cushion against electronic system failures
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Enhances security and convenience by allowing remote operation and manual override, ensuring reliable access control and integration with smart home systems, while maintaining the robustness of traditional deadbolt locks.
Implementation Method 1
Spring-loaded fingers that surround and interfere with the deadbolt knob's turning mechanism, maintaining the deadbolt's state (either locked or unlocked)
Implementation Method 2
a bidirectional electronically controlled motor for moving the pin cylinder
Data Source
AI summary
The present invention relates to a smart deadbolt locking device that fits over an existing deadbolt knob, providing both remote control and manual operation. The device features spring-loaded fingers to maintain the deadbolt's locked or unlocked state, a bidirectional electronically controlled motor for engaging and disengaging the lock, and a wireless communication module for remote operation. It includes a manual override mechanism with release buttons, a manual slide stopper for physical locking and power cutoff, and an electronically controlled physical stopper with a no-power fail-open configuration for safety. The device is designed for easy installation and integrates seamlessly with modern smart home systems, enhancing security and convenience.