Interface Module for Bus-Connected Switching Mechanisms
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Solution Overview
Problem
Existing switching devices lack ease of connection to bus systems, which is essential for modern systems technology, particularly in facilitating data exchange and communication.
Innovation Solution
A switching device with an interface module that includes a signal processing unit, interface circuit, power supply, and voltage converter, enabling easy connection to bus systems by supporting various bus protocols and converting data signals between serial and parallel formats, and providing electrical detection signals for actuator position monitoring.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a switching device is equipped with an interface module for bus system connection, then ease of connection to bus systems is improved, but device complexity increases
Solution Approach 1:
The interface module integrates multiple functions including signal processing unit, interface circuit, voltage converter, and power supply into a single modular unit that connects to the switching device. This merging approach enables bus system connectivity while consolidating complexity into a manageable module rather than dispersing it throughout the entire device.
Solution Approach 2:
The interface module is designed with universal functionality to support various bus protocols (CAN, LIN, RS485, RS232) through a single unit. The signal processing unit can be configured for different communication protocols, and the voltage converter handles multiple voltage levels, making the module adaptable to different bus systems without requiring protocol-specific hardware for each connection type.
2Ease of manufacture
If voltage converter and power supply are integrated in the interface module, then ease of manufacture is improved, but reliability may worsen due to potential power supply issues
Solution Approach 1:
The power supply function is segmented into a separate voltage converter component within the interface module, distinct from the signal processing unit. This segmentation allows independent testing and replacement of the power supply component without affecting the signal processing functionality, thereby maintaining reliability while simplifying manufacturing and assembly.
Solution Approach 2:
The voltage converter is designed with inherent protection functions that cushion against power supply issues before they can affect the entire device. The converter includes over-voltage, under-voltage, and over-current protection mechanisms that prevent power-related failures from propagating to the signal processing unit, thus maintaining system reliability.
3Object-affected harmful factors
If multiple protection functions are implemented, then safety during maintenance is improved, but device complexity increases
Solution Approach 1:
The interface module incorporates automatic protection functions that operate without external intervention. The voltage converter automatically monitors and regulates voltage levels, and the protection circuits automatically activate when abnormal conditions are detected, eliminating the need for manual safety configurations or additional control systems while maintaining high safety standards.
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 seamless data exchange and communication with bus systems, enhances safety during maintenance through adjustable protection functions, and minimizes wiring complexity by integrating the switching circuit status module within the device.
Implementation Method 1
a voltage converter connected on an input side to the power supply input and a power outlet configured to issue a second supply voltage
Data Source
AI summary
A switching device includes: a triggering unit; an actuator coupled to the triggering unit; a switching mechanism coupled to the actuator; and an interface module. The interface module includes: a signal processing unit coupled to the triggering unit; an interface circuit coupled to a transmitting and receiving circuit of the signal processing unit; a power supply input for feeding a first supply voltage; and a voltage converter connected on an input side to the power supply input and a power outlet for issuing a second supply voltage. The power outlet is coupled to the signal processing unit and to the triggering unit.