Intelligent Door Lock with Drive Shaft Sensor and Push Notification
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Solution Overview
Problem
Existing security systems for homes and commercial properties face vulnerabilities due to reliance on cabling, internet connectivity, and energy consumption, making them unreliable for real-time video streaming and notification during security events, especially when internet access is interrupted.
Innovation Solution
An intelligent door lock system with a sensor coupled to a drive shaft, an engine with memory, and an energy source, providing a push notification to users when the lock is manually opened, utilizing wireless communication and a positioning sensing device to monitor lock status.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If continuous video streaming is implemented in security systems, then real-time monitoring capability is improved, but energy consumption increases and system reliability decreases when internet access is interrupted
Solution Approach 1:
The system transitions from continuous video streaming to periodic snapshot capture and transmission. Video cameras take snapshots at predetermined intervals or upon detecting motion, rather than continuously streaming video. This periodic action significantly reduces energy consumption while maintaining security monitoring effectiveness, and allows the system to operate reliably during internet interruptions by storing snapshots locally until connectivity is restored.
2Reliability
If multiple cameras are connected via cabling for video transmission, then video quality and real-time streaming are improved, but installation difficulty increases and system vulnerability to physical damage rises
Solution Approach 1:
The system replaces mechanical cabling connections with wireless communication technology. Cameras transmit video data and receive commands wirelessly through WiFi or other wireless protocols, eliminating the need for physical cable routing between cameras and the central system. This substitution maintains reliable communication while dramatically simplifying installation and removing vulnerability to cable-related physical damage.
3Measurement precision
If high-resolution video streaming is implemented, then monitoring precision is improved, but bandwidth consumption increases and system responsiveness during internet interruptions decreases
Solution Approach 1:
The system extracts only the essential visual information needed for security monitoring by capturing snapshots at high resolution rather than transmitting continuous high-definition video streams. This extraction approach maintains measurement precision for security events while dramatically reducing bandwidth consumption and data transmission time, allowing quick upload of critical evidence even during or after internet interruptions.
4Reliability
If security systems are designed with multiple components for comprehensive monitoring, then security coverage is improved, but device complexity increases and vulnerability to component failure rises
Solution Approach 1:
The system implements multi-functionality within each camera unit, where single devices perform multiple security functions including video capture, motion detection, snapshot generation, local storage, and wireless communication. This universality maintains comprehensive security coverage while reducing overall system complexity by eliminating the need for separate dedicated components for each function, and reduces vulnerability through functional integration.
Data Source
AI summary
An intelligent door lock system is provided with a push notification. A sensor is configured to be coupled to a drive shaft of a lock. The position sensing device senses position of the drive shaft to assist in locking and unlocking a lock of a lock. An engine with a memory is coupled to the positioning sensing device. The engine and an energy source are coupled to the circuit. A push notification is provided to a dwelling user when a lock of the intelligent door lock system is manually opened.