Interface-Adapting Device with Voltage-Dividing Module
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Solution Overview
Problem
Current interface-adapting devices require users to manually disconnect from an external power source for charging, leading to unnecessary manpower consumption and reduced user experience.
Innovation Solution
An interface-adapting device with an OTG adapting interface and a voltage-dividing module that allows direct connection to both expanding devices and external power sources, transmitting ground or divided voltage to enable power-supply or power-charge modes, respectively.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If an interface-adapting device is used to connect an electronic device to an expanding device, then interface compatibility is improved, but the user must manually disconnect from power source for charging, increasing manpower consumption
Solution Approach 1:
The interface-adapting device automatically detects whether it is connected to an expanding device or an external power source through voltage detection, and automatically switches between ground voltage output and divided voltage output accordingly. This self-service mechanism eliminates the need for users to manually disconnect the adapting device to charge the electronic device, thereby reducing manpower consumption while maintaining interface compatibility
Solution Approach 2:
The voltage-dividing module changes the output voltage parameter based on the connection status. When connected to an expanding device, it outputs ground voltage (0V); when connected to an external power source, it outputs a divided voltage (e.g., 1.2V from 5V input). This parameter change enables the electronic device to automatically identify the connection type and switch between data transmission mode and charging mode, eliminating manual intervention
2Adaptability or versatility
If an interface-adapting device is used to connect an electronic device to an expanding device, then interface compatibility is improved, but the device structure becomes more complex
Solution Approach 1:
The interface-adapting device incorporates a universal voltage-dividing module that serves multiple functions: it acts as a voltage divider when charging is needed, and as a ground connection when data transmission is needed. This multi-functionality allows a single simple circuit structure to handle both expanding device connection and external power source connection, achieving interface compatibility without significantly increasing device complexity
Solution Approach 2:
The voltage-dividing module acts as an intermediary between the electronic device and both expanding devices and external power sources. By introducing this single intermediary component with simple resistor-based voltage division, the device achieves compatibility with multiple types of connections without requiring complex switching mechanisms or multiple separate circuits
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 direct charging of electronic devices via the interface-adapting device, reducing user effort and enhancing user experience by allowing simultaneous connection to expanding devices and power sources.
Implementation Method 1
the voltage-dividing module is configured to receive an input voltage of the electronic device. When the OTG adapting interface is configured to connect the electronic device to the expanding device, the voltage-dividing module transmits a ground voltage to the electronic device; when the OTG adapting interface is configured to connect the electronic device to the external power source, the voltage-dividing module transmits a divided voltage to the electronic device
Data Source
AI summary
An interface-adapting device includes an OTG (on-the-go) adapting interface and a voltage-dividing module. The OTG adapting interface is configured to connect an electronic device to an expanding device or to an external power source. The voltage-dividing module is configured to receive an input voltage of the electronic device. When the OTG adapting interface is configured to connect the electronic device to the expanding device, the voltage-dividing module transmits a ground voltage to the electronic device; when the OTG adapting interface is configured to connect the electronic device to the external power source, the voltage-dividing module transmits a divided voltage to the electronic device, so that the external power source is configured to charge the electronic device.