System and method for energy saving on access control products
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Solution Overview
Problem
The increasing deployment of access control readers in buildings leads to significant power consumption due to their continuous operation, necessitating an energy-saving solution without compromising security.
Innovation Solution
A security system that identifies and places internal access control readers into a power-saving state when the building is unoccupied, using an access controller to disable power sources and resume them upon detection of intrusions or system disarmment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If access control readers operate continuously to maintain security, then security reliability is improved, but energy consumption increases
Solution Approach 1:
The access control reader dynamically adjusts its operational state between active and power-saving modes based on occupancy detection. When no motion is detected for a predetermined period, the reader transitions to a power-saving state with reduced power consumption. When motion is detected, the reader automatically returns to the active state, ensuring security is maintained when needed while reducing energy consumption during unoccupied periods.
Solution Approach 2:
The system implements periodic motion detection monitoring to determine when to transition between operational states. The reader continuously monitors for motion at regular intervals and uses this periodic information to decide whether to maintain full power operation or switch to power-saving mode, creating a rhythm of active and dormant states that balances security and energy efficiency.
2Loss of energy
If access control readers are placed in power-saving state to reduce energy consumption, then energy efficiency is improved, but response time to detect intrusions may increase
Solution Approach 1:
The system performs preliminary motion detection monitoring even when the access control reader is in power-saving mode. Motion sensor devices continue to monitor for intrusions and are ready to immediately alert the system and wake the reader when motion is detected, ensuring that the system is prepared to respond quickly without requiring continuous full-power operation of the reader.
Solution Approach 2:
Motion sensor devices serve as intermediary components that bridge the gap between power-saving mode and active security monitoring. These sensors remain active or in low-power standby, detecting intrusions and triggering the access control reader to wake from power-saving state, thus maintaining fast response capability without requiring the reader itself to remain continuously active.
3Difficulty of detecting and measuring
If motion sensor devices are deployed to detect intrusions, then detection capability is improved, but device complexity increases
Solution Approach 1:
The system merges the functions of motion detection and access control into an integrated architecture. Motion sensor devices are combined with access control readers and power management components to form a unified system that performs multiple functions (security monitoring, intrusion detection, power management) through coordinated interaction of its components, reducing overall system complexity compared to separate independent systems.
Data Source
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AI summary
A system and method for energy saving on access control products is disclosed. An access controller controls access control readers, which in turn enable access to a building and/or interior areas of the building. The access controller can identify the locations of the access control readers relative to the building, such as whether the access control readers are located on the perimeter of the building for controlling access to the building, or whether the access control readers are located within the building for controlling access to interior areas of the building. The access controller can then place one or more of the access control readers into a power saving state without compromising overall building security, such as placing interior access control readers into a power saving state when the building is assessed to be unoccupied.