Emergency Charging Device Current Detection Switch
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Solution Overview
Problem
Existing emergency starting power supplies for automobiles waste energy by automatically charging the vehicle battery when connected, leading to inefficient usage and potential power depletion if the vehicle is not started promptly.
Innovation Solution
A charging device comprising an energy storage module, an output interface, a switch module, and a control module that detects current and voltage to selectively provide emergency starting current only when needed, preventing automatic charging and conserving energy.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the emergency starting power supply automatically charges the vehicle battery when connected, then the battery can be recharged, but the energy storage module power is wasted and usage efficiency decreases
Solution Approach 1:
The charging device dynamically switches between charging mode and standby mode based on real-time detection of vehicle battery voltage and current. The control module activates the charging function only when the vehicle battery voltage is below a preset threshold, otherwise it remains in standby to conserve energy.
Solution Approach 2:
The control module continuously detects the voltage and current of the vehicle battery through feedback signals. Based on this feedback information, the system intelligently determines whether to enable the charging function, avoiding unnecessary energy consumption while ensuring the battery is recharged when needed.
2Reliability
If the emergency starting power supply continuously outputs power to the battery, then the battery maintains charge, but the energy storage unit runs out of power and cannot start the automobile
Solution Approach 1:
Instead of continuous power output, the system employs periodic detection of battery voltage levels and activates charging only during periods when the voltage falls below the threshold. This periodic operation maintains battery charge while preserving energy storage unit capacity for emergency starting.
Solution Approach 2:
The system applies partial charging action only when necessary (when battery voltage is low), rather than continuous full charging. This selective partial action maintains sufficient battery charge for starting while avoiding excessive energy consumption that would deplete the storage unit.
3Reliability
If the switch module remains closed to allow continuous charging, then the battery is constantly recharged, but the usage efficiency of the emergency starting power supply decreases
Solution Approach 1:
The switch module transitions from a static closed state to a dynamic state controlled by the control module. The switch is closed only when the vehicle battery voltage is below the preset threshold, and opened otherwise, optimizing the balance between battery recharging and usage efficiency.
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
Improves the usage efficiency of the emergency starting power supply by ensuring energy is only used when the vehicle is started, preventing unnecessary power consumption and extending the device's operational capacity.
Implementation Method 1
The control module is configured to detect a current of the discharge circuit
Data Source
AI summary
The present disclosure discloses a charging device, which comprises an energy storage module, an output interface, a switch module and a control module. The energy storage module is configured to store and provide electrical energy. The output interface is configured to be electrically coupled to a load, wherein the energy storage module is configured to output electrical energy to the load through a discharge circuit. The output interface is electrically coupled in the discharge circuit. The switch module is electrically coupled in the discharge circuit. The control module is configured to detect a current of the discharge circuit, and turn off the switch module when the current of the discharge circuit is greater than a preset current, to switch off an electrical connection between the energy storage module and the output interface.