Input/Output Module Self-Test for Fire Alarm Port Verification
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Solution Overview
Problem
Existing fire alarm systems require manual connection and verification of input/output modules using a fire control panel, leading to low operating efficiency.
Innovation Solution
An input/output module with self-test capabilities, including a self-test mode activation unit, port switching unit, and port indicator lights, allowing direct self-testing without a fire control panel, ensuring efficient and intuitive port functionality verification.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If manual connection and verification using a fire control panel is performed, then connection correctness can be verified, but operating efficiency is low
Solution Approach 1:
The input/output module performs self-testing through built-in test buttons and indicator lights, eliminating the need for external fire control panel verification. The module tests its own ports and connections independently, improving operating efficiency while maintaining verification reliability
Solution Approach 2:
The verification process is segmented into individual port tests with dedicated indicator lights for each port. This allows operators to quickly identify specific port statuses without complex panel operations, improving both efficiency and clarity of verification
2Productivity
If self-test mode with multiple ports and indicator lights is implemented, then detection efficiency is improved, but device complexity increases
Solution Approach 1:
The module divides verification into separate port-specific tests with dedicated indicator lights for each port. This segmentation allows parallel visual monitoring of multiple ports simultaneously, improving detection efficiency without requiring complex control mechanisms
Solution Approach 2:
Different colored indicator lights represent different port states (normal, abnormal, testing). This visual coding system provides immediate intuitive feedback about port status, enhancing detection efficiency while using simple, reliable indicator technology rather than complex display systems
Data Source
AI summary
An input/output module and a self-test method for the input/output module. An operator can directly perform a self-test after the input/output module is installed, without relying on a fire control panel. The input/output module includes a plurality of ports, a self-test mode activation unit, a port switching unit, and a plurality of port indicator lights. The plurality of ports includes input ports and output ports, the self-test mode activation unit activates the input/output module to enter a self-test mode, a port switching unit switches and selects a port currently being tested in the self-test mode, and a plurality of port indicator lights are disposed corresponding to the plurality of ports respectively and display selected states and detection results of the corresponding ports.