Multi-battery Power Supply System with Unidirectional Paths
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Solution Overview
Problem
Existing power supply systems for electronic devices and extension docks face challenges in efficiently managing bi-directional current flow, which can damage power storage components and require complex control switches, increasing costs and volume.
Innovation Solution
A multi-battery power system with unidirectional power supply paths between an electronic device and an extension dock, eliminating the need for bi-directional current control switches and allowing sharing of a power conversion module, thereby preventing abnormal current direction damage and reducing component requirements.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If bi-directional current control switches are used to manage power flow between electronic device and extension dock, then power direction control is improved, but device complexity and cost increase
Solution Approach 1:
The power supply system is divided into two separate unidirectional power supply paths: one path allows current flow from the electronic device to the extension dock, while the other path allows current flow from the extension dock to the electronic device. This segmentation eliminates the need for complex bi-directional control switches by using simple unidirectional paths with diodes or controlled rectifiers, thereby reducing device complexity while maintaining reliable power direction control.
2Reliability
If bi-directional current control switches are used to manage power flow, then power direction control is improved, but product volume increases
Solution Approach 1:
By segmenting the power supply into two separate unidirectional paths instead of using a single bi-directional path with control switches, the physical space required for control circuitry is significantly reduced. Each unidirectional path can be implemented with compact components such as diodes or controlled rectifiers, reducing the overall product volume while maintaining effective power direction control.
3Device complexity
If unidirectional power supply paths are used, then device complexity is reduced, but power flow management capability is limited
Solution Approach 1:
The unidirectional power supply paths are designed to be universal and adaptable. Each path can independently handle power transfer in its designated direction, and the system can dynamically activate the appropriate path based on the operational state of the electronic device and extension dock. This multi-functionality allows the simplified unidirectional paths to achieve versatile power flow management without requiring complex bi-directional control circuitry.
4Device complexity
If unidirectional power supply paths are used, then component requirements are reduced, but power conversion efficiency may be affected
Solution Approach 1:
The unidirectional power supply paths incorporate controlled rectifiers or diodes as intermediary components that efficiently manage current flow in each direction. These intermediaries are designed to minimize power loss while maintaining the unidirectional flow characteristic. The intermediary components act as efficient gatekeepers that allow current to pass with minimal resistance in the allowed direction while blocking reverse current, thus preserving power conversion efficiency despite the simplified unidirectional architecture.
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
This solution effectively manages power flow, preventing damage to power storage components, reducing component needs, and enhancing power endurance for electronic devices and extension docks while minimizing costs and volume.
Implementation Method 1
the power conversion module is coupled between the first power storage unit and the second connector, and converts power stored in the first power storage unit into a converted output voltage and transmits the converted output voltage to the second connector
Data Source
AI summary
A multi battery power system includes an electronic device and an extension dock. The electronic device includes a first power storage module, a first connector, a second connector and a power conversion module. The first power storage module includes a first power storage unit. The first connector is coupled to the first power storage module. The power conversion module is coupled between the first power storage unit and the second connector, and converts power stored in the first power storage unit into a converted output voltage and transmits the converted output voltage to the second connector. The extension dock includes a third connector and an electrical load. The third connector is paired with and selectively connected to the second connector of the electronic device. The electrical load is coupled to the third connector, and selectively receives the converted output voltage from the electronic device via the third connector.