Smart Lock Clutch Mechanism for Seamless Mode Switching
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Solution Overview
Problem
Current smart security systems lack efficient mechanisms for automatic state switching between locked and unlocked states, particularly in smart locks, which can be cumbersome and require significant user effort, especially when transitioning from automatic to manual operation.
Innovation Solution
A smart lock system incorporating a clutch mechanism with a planet transmission assembly that includes a sun gear, planet carrier, and planet gears, allowing for seamless automatic unlocking and locking operations while enabling manual operation without large torque requirements, utilizing a detection module to manage the clutch mechanism's engagement and disengagement.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a traditional manual locking mechanism is used, then the user has full control over the locking operation, but the user must apply significant force and effort to operate the lock
Solution Approach 1:
A clutch mechanism serves as an intermediary between the manual operation interface and the locking mechanism. The clutch includes a clutch disc, pressure plate, and release bearing that selectively engage or disengage the connection between user input and the lock body, reducing the effort needed for manual unlocking while maintaining mechanical control.
Solution Approach 2:
The system dynamically switches between manual and automatic operation modes through the clutch mechanism. The clutch can be engaged or disengaged based on operational requirements, allowing the lock to adapt its mechanical characteristics - providing high mechanical advantage when engaged and free rotation when disengaged.
2Ease of operation
If an automatic locking mechanism is implemented, then the locking operation requires minimal user effort, but the system becomes more complex and may require additional power components
Solution Approach 1:
The clutch mechanism serves multiple functions: it enables both manual and automatic locking operations, provides mechanical advantage reduction, and allows bidirectional torque transmission. This multi-functionality reduces the need for separate mechanisms for different operating modes, thereby reducing overall system complexity despite the added clutch components.
Solution Approach 2:
The patent replaces complex electronic motors and sensors with a purely mechanical clutch-based system for mode switching. The clutch mechanism uses simple mechanical components (springs, bearings, friction surfaces) to achieve automatic locking without requiring powered actuators, thereby reducing system complexity while maintaining automatic operation capability.
3Productivity
If the clutch mechanism is always engaged, then automatic locking and unlocking operations are efficient, but manual operation becomes difficult requiring significant user force
Solution Approach 1:
The clutch mechanism is pre-configured with a release bearing and pressure plate that can quickly disengage the clutch disc from the drive gear when manual operation is detected. This preliminary setup allows the system to rapidly switch from automatic mode (clutch engaged) to manual mode (clutch disengaged), preventing the accumulation of user effort requirements and enabling smooth transition between operating modes.
4Ease of operation
If the clutch mechanism is always disengaged, then manual operation is easy, but automatic locking and unlocking operations become inefficient or impossible
Solution Approach 1:
The clutch mechanism is pre-positioned in an engaged state during automatic operation, with the release bearing and pressure plate ready to instantly disengage when manual intervention is needed. This preliminary engagement ensures that automatic locking operations can proceed efficiently without interruption, while the system remains prepared for rapid transition to manual mode if required.
Data Source
AI summary
The present disclosure provides systems for smart security. The system may include a smart security device, a control module, a driving module, and a mechanical structure. The control module may be configured to send a control instruction to the driving module. The driving module may be configured to drive the mechanical structure based on the control instruction, thereby performing a state switching operation of the smart security device.