Charging Control Box Switching Between Facility and Plug Modes
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Solution Overview
Problem
Electrified vehicle users face an economic burden due to the need for multiple charging cables compatible with different charging types, such as system power sources and charging facilities, which require distinct control signals and power supply methods.
Innovation Solution
A control box with a first connector connected to an external power source and a control board that switches between modes to transmit signals and power according to the connected charging type, allowing compatibility with various charging cables and eliminating the need for multiple chargers.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If multiple charging cables are used for different charging types, then compatibility with various charging facilities is improved, but device complexity and user burden increase
Solution Approach 1:
The patent combines multiple charging cable functionalities into a single control box that can detect and adapt to different charging types (system power source or charging facility). The control box integrates the functions of what would otherwise require separate cables, allowing users to charge with either charging type using one universal device.
Solution Approach 2:
The control box is designed with universal functionality to work with both system power sources and charging facilities. It includes a detection unit that identifies the charging type and a control unit that adjusts signal transmission accordingly, making a single device compatible with multiple charging scenarios that previously required different specialized cables.
2Device complexity
If a single control box is used for multiple charging types, then device complexity is reduced, but control precision for different charging modes becomes more difficult
Solution Approach 1:
The control box employs dynamic control where the control unit adjusts its operation based on real-time detection of the charging type. When a charging facility is detected, the control unit enables bidirectional signal communication; when a system power source is detected, it switches to unidirectional power transmission only. This dynamic adaptation maintains precise control for each charging mode despite using a single unified device.
Solution Approach 2:
The control box changes operational parameters based on the detected charging type. The control unit modifies signal transmission characteristics, communication protocols, and power delivery parameters according to whether it is connected to a system power source or a charging facility, ensuring precise control for each specific charging scenario.
Data Source
AI summary
A control box for charging includes: a first connector connected to a supply cable having a plug, which is connected to an external power source, at a first end, and having a plurality of connection pins; and a control board having a first switch mounted therein and configured to control the first switch in a first state such that an input signal is transmitted to an output terminal of the control box when power is supplied in a first mode in which a signal is input from the first connector. In particular, the control board is configured to control the first switch in a second state to transmit and receive signals to and from a vehicle connected to the output terminal when power is supplied in a second mode in which a signal is not input from the first connector.