On-Board EV Charging Unit With Spiral Cable Housing
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Solution Overview
Problem
Existing recharging solutions for electric vehicles are complex, costly, and not easily adaptable to different types of connectors, while also occupying excessive space on board the vehicle.
Innovation Solution
A modular recharging unit with a hollow support and containment body housing a recharging cable and connectors, featuring a spiral design and drainage openings, allowing intuitive and space-efficient installation compatible with vehicle dimensions, and equipped with additional connectors for battery management.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If the battery is disposed of at the rear of the vehicle, then the battery can be easily replaced, but the vehicle requires two vehicle batteries to achieve sufficient driving range
Solution Approach 1:
The battery system is divided into a first battery disposed at the front of the vehicle and a second battery disposed at the rear of the vehicle. The second battery can be easily removed and replaced at the rear, while the first battery remains fixed. This segmentation allows one battery to be easily replaceable without requiring two complete battery sets, as the first battery can be reused after the second battery is replaced.
2Duration of action of moving object
If a large battery is installed to achieve sufficient driving range, then the driving range is sufficient, but the vehicle cannot be equipped with a trailer due to weight constraints
Solution Approach 1:
The battery system is divided into two separate batteries of smaller individual capacity rather than one large battery. This segmentation reduces the weight of each individual battery while maintaining the total energy capacity needed for sufficient driving range, allowing the vehicle to meet weight constraints for trailer equipment while still achieving the required driving range.
3Duration of action of moving object
If two vehicle batteries are used, then sufficient driving range is achieved, but the vehicle design becomes more complex
Solution Approach 1:
The battery system is segmented into a first battery at the front and a second battery at the rear, where the second battery is designed for easy removal and replacement. This segmentation simplifies the overall system design by allowing independent management of each battery, reducing the complexity of battery replacement procedures and system integration compared to a single large battery or two equally complex battery systems.
4Ease of manufacture
If the battery is disposed of at the rear of the vehicle, then the battery can be easily replaced, but the center of gravity shifts toward the rear of the vehicle
Solution Approach 1:
The battery system is divided into a first battery at the front and a second battery at the rear. The first battery remains fixed at the front to provide stable forward weight distribution, while the second battery at the rear can be easily replaced. This segmentation allows the rear battery to be accessible for easy replacement while the front battery maintains the center of gravity in a balanced position, preventing excessive rearward shift.
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
Enables simple, low-cost, and adaptable recharging operations with reduced noise and moisture exposure, while optimizing space utilization and ensuring effective battery management.
Implementation Method 1
the second battery can be supplied with power from the first battery via a cable
Data Source
Figure 1A~1B
Figure 2
Figure 3
AI summary
A recharging unit (1) for one or more batteries of an electrically- powered motor-vehicle (V), permanently arranged on board said motor-vehicle (V), comprises: - an electrical connector (2) carried by a recharging cable (3), provided for connection to an external electrical socket, - a hollow support and containment body (4) configured to house said recharging cable (3) and said electrical connector (2), - wherein said hollow support and containment body (4) defines a cavity (5), a proximal portion (6), and a distal portion (7), wherein said proximal portion (6) has an opening (8) for enabling manually picking-up said electrical connector (2), - a further electrical connector (9) supported by said hollow support and containment body (4) and arranged to receive a corresponding connector element for connection to the respective electronic components for managing the motor-vehicle batteries (V).