Modular Chip Card Reader With Removable Carrier
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Solution Overview
Problem
In industrial machines with multiple reader modules, precise positioning and interference-free communication with chip cards are challenging due to mechanical and electrical components, leading to difficulties in replacing modules without significant downtime.
Innovation Solution
A modular reading/writing device with a removable module carrier that includes a contactless module for wireless communication and a contact-based module, featuring a displaceable mounting frame, shielding, and adjustable components for easy alignment and replacement, allowing for quick switching of modules without interrupting production.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If reader modules are permanently installed and adjusted at their place of use, then communication precision is maintained, but replacement time increases significantly
Solution Approach 1:
The reader module is divided into a stationary holder and a removable module carrier that can be independently exchanged. The module carrier contains the electronic module and antenna coil assembly, allowing it to be replaced without affecting the holder structure, thus reducing replacement time while maintaining communication precision through pre-adjusted modular units
Solution Approach 2:
Multiple module carriers can be pre-configured and pre-adjusted outside the machine before insertion. This preliminary preparation allows operators to have ready-to-use replacement modules that require no on-site adjustment, eliminating downtime while ensuring communication precision is maintained from the moment of installation
2Area of stationary object
If multiple reader modules are arranged closely in industrial machines, then space utilization improves, but mutual interference increases
Solution Approach 1:
The antenna coil is extracted from the electronic module and mounted on a separate circuit board within the module carrier. This spatial separation allows the antenna to be positioned optimally for communication while isolating it from electromagnetic interference generated by other closely arranged reader modules, thus enabling compact machine design without sacrificing communication reliability
3Reliability
If reader modules are permanently installed, then communication stability is ensured, but adaptability to different specifications decreases
Solution Approach 1:
The holder is designed with a universal mounting interface that accommodates different types of module carriers. Each module carrier can be pre-configured for specific communication protocols, speeds, or standards, allowing the same holder structure to support multiple specifications. This enables the system to adapt to different requirements while maintaining communication stability through consistent mechanical and electrical connections
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 rapid replacement of faulty modules, reduces electromagnetic interference, and ensures reliable, interference-free data transmission, allowing for continuous production with preconfigured modules and improved alignment of communication components.
Implementation Method 1
a contactless module (107) for contactless communication with the chip card (101)
Data Source
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AI summary
The present invention relates to a read/write device (100) for chip cards (101), having a holder (103) for a module support (105) and having a module support (105) having at least one electronic module (107) for communicating with the chip card (101), which module support can be removed from the holder (103).