Emergency Lighting Storage Trigger Circuit for Explosion-Proof Use
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Solution Overview
Problem
Current industrial lighting devices lack an emergency lighting function during power outages and often compromise explosion-proof safety standards due to switches or wireless remote-control modules used for storage mode activation.
Innovation Solution
An industrial emergency lighting device with a storage mode triggering circuit, including a power supply detecting module, control module, rechargeable power source module, and light-emitting module, which allows for active storage mode triggering, low voltage protection, and emergency lighting functionality without reducing explosion-proof levels.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a switch or wireless remote-control module is added to enable storage mode activation, then the ease of operation is improved, but the explosion-proof level deteriorates
Solution Approach 1:
The system automatically detects power outage conditions and activates emergency lighting mode without requiring manual switch operation. The control module monitors power supply status and autonomously transitions between normal and emergency modes, eliminating the need for switches or remote-control modules that would compromise explosion-proof certification.
2Reliability
If emergency lighting function is added to provide lighting during power outages, then the reliability is improved, but the device complexity increases
Solution Approach 1:
The patent combines the normal lighting function and emergency lighting function into a single integrated device. The same light-emitting module serves both purposes, and the control module unifies the management of power supply detection, rechargeable battery control, and lighting activation, thereby achieving emergency functionality without proportionally increasing overall device complexity.
Solution Approach 2:
The industrial lighting device is designed to perform multiple functions: normal lighting during powered operation and emergency lighting during power outages. The light-emitting module and control module are designed to handle both operational modes, making the device universal and eliminating the need for separate emergency lighting equipment.
3Reliability
If the control module continuously monitors power supply voltage to enable storage mode triggering, then the reliability is improved, but the use of energy increases
Solution Approach 1:
The control module employs periodic voltage threshold detection rather than continuous monitoring. It checks whether the power supply voltage falls within predetermined thresholds to determine storage mode activation, which reduces energy consumption during standby while maintaining reliable detection capability when power outages occur.
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 solution provides a safe and reliable emergency lighting function during power outages while maintaining high explosion-proof standards, preventing accidental activation during transportation or storage, and extending the service life of the rechargeable power source through low voltage protection.
Implementation Method 1
The power supply detecting module detects the input voltage of the external power source
Implementation Method 2
The rechargeable power source module is connected to the charging module and the light-emitting module
Implementation Method 3
The light-emitting module is connected to the driving module
Data Source
AI summary
An industrial emergency lighting device includes a driving module, a light-emitting module, a charging module, a rechargeable power source module, a power supply detecting module and a control module. The driving module, charging module and power supply detecting module are connected to an external power source. The light-emitting module is connected to the driving module. The rechargeable power source module is connected to the charging module and light-emitting module. The control module is connected to the driving module, power supply detecting module and rechargeable power source module. The power supply detecting module detects the input voltage of the external power source. When determining that the input voltage is low-level, the control module triggers a storage mode counting process. When determining that the number of the voltage changes of the input voltage reaches a predetermined number of times during a predetermined time period, the control module enters a sleep mode.