Gateway Device for Vehicle Remote Control Without Smart Key Modification
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Solution Overview
Problem
Existing vehicle remote control systems require significant changes to the vehicle's smart key system, making it difficult to implement remote control functions using a user terminal without altering the existing infrastructure.
Innovation Solution
A gateway device that communicates with both the user terminal and the smart key device, transmitting control signals and confirming connection status, allowing remote control of vehicle functions without modifying the existing smart key system, using a connector with electrically conductive material for communication and Bluetooth for user terminal communication.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a remote control system is implemented by modifying the existing smart key system, then remote control functionality can be achieved, but the complexity of the system increases and implementation becomes difficult
Solution Approach 1:
The patent introduces a gateway device as an intermediary component that bridges the user terminal and the smart key device. This gateway receives control signals from the user terminal via Bluetooth and transmits them to the smart key device through the existing connector, enabling remote control functionality without modifying the core smart key system architecture.
Solution Approach 2:
The system is segmented into distinct functional modules: the user terminal for input, the gateway device for signal transmission and protocol conversion, and the existing smart key device for execution. This segmentation allows the remote control feature to be added as a separate functional layer without complicating the integrated smart key system.
2Adaptability or versatility
If the existing smart key system is modified to enable remote control, then remote access is achieved, but the ease of manufacture and implementation decreases
Solution Approach 1:
The gateway device is designed with universal compatibility to work with existing smart key systems through standard connectors. It can communicate with both the user terminal via Bluetooth and the smart key device through the existing electrical connector, making it applicable to various vehicle models without custom modifications.
Solution Approach 2:
The gateway device autonomously handles protocol conversion and signal transmission between the user terminal and smart key device. It automatically establishes Bluetooth connections, receives control signals, and forwards them to the appropriate smart key device without requiring manual configuration or system reprogramming.
3Adaptability or versatility
If communication is established between user terminal and smart key device, then remote control is enabled, but power consumption increases
Solution Approach 1:
The gateway device maintains Bluetooth communication in a low-power state and only activates full communication mode when a control signal is detected from the user terminal. The smart key device remains in sleep mode during idle periods and wakes up only when receiving signals from the gateway, significantly reducing overall power consumption compared to continuous communication.
Data Source
AI summary
A gateway device includes: a communicator configured to communicate with a user terminal and a smart key device; and a controller configured to; transmit a search signal for communication connection through the communicator; transmit a turn-on signal to the smart key device when a response signal corresponding to the search signal is received from the user terminal; and control the communicator to transmit a control signal to the smart key device when the control signal is received from the user terminal.