Self-Powered Electronic Lock With Cascade Activation and NFC Entry
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing electronic locks require continuous power sources like batteries or accumulators due to high energy consumption, leading to environmental impact and inefficiency in energy management, especially when combining multiple data entry methods.
Innovation Solution
An electronic lock with a cascade self-powering embedded mechatronic system that generates variable voltage from mechanical energy, using a starter chip activated by a near field for data entry, and intelligently sequences component activation to optimize energy use, eliminating the need for continuous power sources.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If continuous power sources like batteries or accumulators are used to support multiple data entry methods, then data entry versatility is improved, but energy consumption increases and environmental impact worsens
Solution Approach 1:
The lock system transitions from continuous operation to periodic activation. The microcontroller and data entry interfaces (NFC, RFID, keyboard) remain in low-power sleep mode and are activated only when a user initiates an opening request. This periodic activation dramatically reduces energy consumption while preserving all data entry capabilities, as the system becomes fully functional during each activation cycle.
Solution Approach 2:
The lock system integrates an electric generator that converts mechanical energy from manual operations (turning the knob, pushing buttons) into electrical energy. This self-service mechanism allows the lock to generate its own operating power during use, eliminating the need for external batteries or accumulators. The system harvests energy from the user's own actions to power the electronic components during activation cycles.
2Adaptability or versatility
If multiple data entry methods are combined in the same lock, then adaptability is improved, but device complexity increases
Solution Approach 1:
The lock system implements multiple data entry methods (NFC, RFID, keyboard, online applications) within a single unified device. The microcontroller serves as a universal control unit that manages all input interfaces and coordinates with the electric generator and latch mechanism. This multi-functional integration provides versatile access options without requiring separate locking systems for different entry methods.
3Use of energy by moving object
If batteries or accumulators are added to enable sequential activation of lock elements, then energy management is improved, but loss of substance increases due to environmental impact
Solution Approach 1:
The lock system eliminates dependence on external energy storage devices by incorporating an electric generator that converts mechanical energy from manual operations into electrical energy. This self-service approach allows the system to generate its own operating power during use, completely eliminating batteries and accumulators. The generator captures energy from user actions (turning the knob, pressing buttons) and uses it to power the microcontroller, communication interfaces, and latch mechanism during activation cycles.
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
The system achieves self-powered operation without batteries, reduces energy consumption, and enhances security with dual data verification, while enabling online communication for efficient data exchange and remote authorization.
Implementation Method 1
an electric generator that generates electrical energy of variable voltage from a minimum voltage to a maximum voltage from mechanical energy
Implementation Method 2
receiving energy from the near field for the inclusion of identification data in a starter chip
Data Source
AI summary
Electronic lock with an actuation and cascade self-powering embedded mechatronic system (1) comprising an electric generator (2) that generates electrical energy of variable voltage from a minimum voltage to a maximum voltage from mechanical energy and is capable of communicating through the lock starter chip (3) with a near field, energizing and storing the identification data (4b) provided by the near field (4) in the local memory (3a) of the lock starter chip (3), allowing it to be recovered in a specific time through the energy generated by the electric generator (2).