HMI Communication Control for High-Resolution Display Signal Sharing
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Solution Overview
Problem
Human-machine interface (HMI) systems face challenges with increasing image data resolution demands, leading to memory insufficiency and high equipment replacement costs due to the need for controller upgrades across different applications.
Innovation Solution
A communication control device is introduced, comprising an operation signal transmission circuit, a display signal transmission circuit, and a central controller, which enables switching between local and remote control modes and facilitates signal duplication, allowing for efficient transmission and storage of display image data, thereby reducing memory requirements and equipment replacement costs.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If the resolution of image data is increased to meet demanding requirements, then the image quality is improved, but the memory capacity becomes insufficient for storing the large amount of image data
Solution Approach 1:
The patent divides the HMI system into multiple independent controllers, each responsible for specific display regions. Instead of one controller storing all high-resolution image data, the system segments the display area and distributes image data storage across multiple controllers, reducing the memory burden on each individual controller while maintaining overall high resolution
Solution Approach 2:
The patent introduces a network communication dimension to the traditional HMI architecture. By adding wireless communication capabilities and networked controller connections, the system can transmit and share image data across the network, effectively expanding storage capacity beyond local memory constraints
2Adaptability or versatility
If the controller is replaced according to different applications to meet machine networking needs, then the system adaptability is improved, but the equipment replacement cost increases significantly
Solution Approach 1:
The patent designs a universal controller architecture that can function in multiple modes (standalone, networked, wireless-connected) and support various application scenarios. The controller includes configurable communication interfaces and programmable functionality, allowing it to adapt to different machine networking requirements without requiring complete controller replacement
Solution Approach 2:
The patent implements dynamic configuration capabilities where controllers can be programmatically adjusted to change their behavior and communication protocols based on application requirements. This dynamic adaptability allows the same hardware platform to serve multiple purposes, reducing the need for physical controller replacement
Data Source
AI summary
A human-machine interface (HMI) system comprises a local operation device, a display device, a HMI display control device and a communication control device. The local operation device generates a local operation signal. The display device shows a display image corresponding to a display signal. The HMI display control device generates the display signal according to the local operation signal or a remote operation signal. The communication control device comprises a wireless communication connection port for connecting with a remote operation device. The communication control device transmits the local operation signal to the HMI display control device, transmits the display signal to the display device, and selectively transmits the display signal to the remote operation device. The communication control device outputs the remote operation signal to the HMI display control device when the communication control device determines itself receives the remote operation signal but does not receive the local operation signal.