Signal Transmission Device for USB-PoE Interface Conversion
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Solution Overview
Problem
The incompatibility between circuit boards with USB interfaces and cameras with PoE interfaces poses challenges in designing and applying products in the security control industry, limiting the multi-usability of systems.
Innovation Solution
A signal transmission device and method that includes a power input port, a boost converter, an Ethernet power circuit, and a signal-conversion circuit, which converts input power to boosted power for DC output to the camera and transforms data signals from the camera's Ethernet format to a compatible format for a working system, enabling communication between systems with different interfaces.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If interface conversion is implemented, then compatibility between USB circuit boards and PoE cameras is achieved, but system complexity increases
Solution Approach 1:
The interface conversion circuit is designed as a compact, integrated intermediary component that minimizes space requirements and simplifies system architecture. Despite adding a conversion layer, the overall system complexity is managed through modular design, where the conversion circuit functions as a self-contained unit that can be easily integrated into existing USB circuit board configurations.
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 allows for the integration of cameras with PoE interfaces into systems with USB 2.0/3.0 circuit boards, enhancing product usability in the security control industry by enabling power and data transmission between incompatible systems.
Implementation Method 1
The boost converter is electrically connected to the power input port and configured to convert the input power to a boosted power
Data Source
AI summary
A signal transmission device adapted to a camera includes a power input port, a boost converter, an Ethernet power circuit and a signal conversion circuit. The power input port is configured to receive an input power. The boost converter is configured to convert the input power to a boost power. The Ethernet power circuit is configured to output a DC power to the camera according to the boost power and to receive a data signal generated by the camera. The signal conversion circuit has a first interface electrically connected to the Ethernet power circuit and a second interface electrically connected to an operating system. The signal conversion circuit is configured to receive the data signal through the first interface and convert a format of the data signal, and further configured to transmit the converted data signal to operating system through the second interface.