Temperature-Controlled Battery Pack Charger for Preheating Before Charging
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing battery charging systems fail to effectively control and maintain optimal temperature conditions for battery packs, leading to inefficiencies and potential damage due to temperature fluctuations.
Innovation Solution
A temperature controlled enclosure with a temperature control device and electronic controller that regulates the ambient temperature within the enclosure based on signals from the battery pack, ensuring it reaches a predetermined temperature before charging, using a thermoelectric cooling device and insulation to maintain a desired temperature range.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If a battery pack is charged immediately without temperature control, then charging speed is improved, but battery safety and performance deteriorate due to temperature fluctuations
Solution Approach 1:
The system performs preliminary temperature assessment before charging by detecting the battery pack temperature through the charging port. If the temperature is below the threshold, the system pre-heats the battery pack using a heating element before initiating charging, thereby ensuring safe charging conditions without compromising charging speed
Solution Approach 2:
The system continuously monitors battery pack temperature during charging and uses this feedback to control the heating element. When temperature drops below the threshold, heating is activated; when temperature reaches the threshold, heating stops. This closed-loop control ensures battery safety while maintaining efficient charging
2Reliability
If temperature control is implemented before charging, then battery safety is improved, but charging time increases due to warming requirement
Solution Approach 1:
The system applies partial heating action by only activating the heating element when the battery pack temperature is below the predetermined threshold. If the temperature is already within the acceptable range, no heating is performed and charging proceeds immediately, thereby minimizing time loss while ensuring battery safety
Solution Approach 2:
The system changes the temperature parameter of the battery pack dynamically based on detected conditions. By adjusting the temperature only when necessary (below threshold) and stopping when the threshold is reached, the system optimizes the balance between safety and charging time
3Productivity
If battery pack temperature is monitored and controlled, then charging efficiency is improved, but system complexity increases due to additional control mechanisms
Solution Approach 1:
The charging port serves multiple functions: it is used for both charging connection and temperature detection. The controller integrates multiple functions including temperature monitoring, heating control, and charging management into a single control unit, thereby reducing system complexity while maintaining charging efficiency
Solution Approach 2:
The system merges the temperature control functions (detection and heating) with the charging function into an integrated system. The heating element is incorporated within the charging station, and the controller manages both heating and charging operations, simplifying the overall system structure
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 safe and efficient charging of battery packs by warming them to an optimal temperature before charging, preventing damage and enhancing performance.
Implementation Method 1
using a thermoelectric cooling device and insulation to maintain a desired temperature range
Implementation Method 2
using a thermoelectric cooling device and insulation to maintain a desired temperature range
Data Source
AI summary
A temperature controlled enclosure that includes a temperature control device for controlling the temperature within an internal cavity of the temperature controlled enclosure. The temperature controlled enclosure also includes one or more charging ports for receiving and charging a battery pack. A controller within the temperature controlled enclosure controls the temperature within the internal cavity to a predetermined or desired temperature (e.g., 20° C.). When a battery pack is received in the one or more charging ports, the temperature of the battery pack can be determined. If, for example, the temperature of the battery pack is below 0° C., the battery pack is allowed to warm up inside the temperature controlled enclosure before the battery pack is charged.