Local Network Power-Cutoff Messaging for Lighting Nodes
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Solution Overview
Problem
In local networks, particularly those used for outdoor lighting systems, communication devices lose connectivity when power is cut off, leading to outdated status information on remote servers, as existing systems fail to detect and transmit the latest status of luminaires after a power cutoff.
Innovation Solution
Incorporating power cutoff detection modules and energy storage modules in communication devices to enable them to continue operating and send last messages to remote servers after a power cutoff, with first devices equipped with batteries for longer operation and second devices using capacitors for quicker status updates.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If communication devices are equipped with power cutoff detection modules and energy storage modules to continue operation after power cutoff, then the reliability of status information on remote servers is improved, but the device complexity increases
Solution Approach 1:
The power cutoff detection module continuously monitors the power supply status in advance, and the energy storage module pre-charges during normal operation. When power cutoff occurs, these pre-prepared mechanisms enable the communication device to immediately switch to battery power and continue transmitting status information without interruption, thus maintaining high reliability of status information on remote servers.
Solution Approach 2:
The energy storage module acts as an intermediary between the power supply and the communication device. It buffers the power transition during cutoff events, allowing the communication device to maintain operation during the transition period. This intermediary component absorbs the shock of power disruption and ensures continuous functionality.
2Ease of manufacture
If different energy storage capacities are used for different device types, then the cost is reduced and energy usage is optimized, but the device complexity increases
Solution Approach 1:
Different energy storage capacities are assigned to different device types based on their specific requirements. First communication devices, which need to relay messages from second devices, are equipped with larger battery capacities. Second communication devices, which only need to send their own status, use smaller energy storage modules. This localized differentiation optimizes cost and energy usage while meeting the specific functional requirements of each device type.
Solution Approach 2:
The system implements partial action by providing different levels of energy storage capacity according to the actual needs of different device types. Rather than all devices having the same high capacity, second devices receive just enough capacity for their specific function, reducing overall system cost while maintaining adequate functionality.
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
Ensures accurate and timely status updates on remote servers even after power disruptions, enhancing network reliability and allowing for prompt detection of issues like cable malfunctions or theft, while optimizing energy usage and reducing costs by using different energy storage capacities for each device type.
Implementation Method 1
both the first communication device and the second communication device are adapted to be operationally connected to a power cutoff detection module, the first communication device comprises a first energy storage module and is configured to operate in a first power cutoff mode when the power cutoff detection module detects a power cutoff, and the second communication device comprises a second energy storage module and is configured to operate in a second power cutoff mode when the power cutoff detection module detects a power cutoff
Data Source
AI summary
Example embodiments relate to managing a network that includes multiple communication devices. One example set of devices adapted to form a local network includes at least one first communication device and at least one second communication device. Both the first and the second communication devices include a first communication module to communicate in the local network. The first communication device includes a second communication module. Both the first communication device and the second communication device are adapted to be operationally connected to a power cutoff detection module. The first communication device includes a first energy storage module and is configured to operate in a first power cutoff mode when the power cutoff detection module detects a power cutoff. The second communication device includes a second energy storage module and is configured to operate in a second power cutoff mode when the power cutoff detection module detects a power cutoff.