Vacuum Handling Device RFID Tag Galvanic Isolation
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Solution Overview
Problem
Vacuum handling devices face reliability issues due to wear and inferior quality components, as existing RFID tag systems cannot ensure that only original and properly integrated components are recognized and used, leading to potential errors in operation.
Innovation Solution
Incorporating a switching element between the RFID chip and antenna for galvanic separation, which disconnects the antenna from the RFID chip until activated, ensuring that components must be actively integrated and recognized by the system before data exchange can occur, thereby preventing improper component usage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If an RFID tag is integrated in the component, then component identification and data storage are enabled, but the system cannot detect whether the component is properly integrated or is an original component
Solution Approach 1:
The patent applies preliminary action by pre-configuring the RFID tag with a switching element that is prepared to disconnect the antenna from the RFID chip. The switching element is set in advance to prevent communication until the component is properly integrated, so that when the component is installed, the connection is automatically established through vacuum pressure or magnetic field activation. This preliminary setup ensures that authentication occurs only after proper integration, resolving the contradiction between enabling RFID functionality and ensuring reliable component authentication.
2Ease of operation
If the RFID tag is always active, then data exchange is possible, but improper or copied components can be recognized and used
Solution Approach 1:
The patent applies dynamics by making the RFID tag's antenna connection dynamic rather than static. The switching element changes the connection state based on operational conditions: the antenna is disconnected when the component is not properly integrated, and connected when vacuum pressure or magnetic field activation occurs during proper installation. This dynamic switching ensures that data exchange is only possible when the component is authentically and properly integrated, resolving the contradiction between ease of data exchange and assurance of component authenticity.
3Reliability
If a switching element is added for galvanic separation, then component authenticity is verified, but device complexity increases
Solution Approach 1:
The patent introduces a switching element as an intermediary component between the antenna and the RFID chip. This switching element acts as a mediator that controls the electrical connection based on external stimuli (vacuum pressure or magnetic field). By using this intermediary, the system achieves reliable component integration verification without requiring complex authentication protocols or additional sensors, as the switching element itself responds passively to the operational conditions, thus resolving the contradiction between verification reliability and structural complexity.
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 ensures a reliable operation by ensuring only properly integrated components are recognized and used, preventing errors and ensuring a safe and accurate process in vacuum handling devices.
Implementation Method 1
providing between the RFID chip and the antenna a switching element for galvanic separation between the RFID chip and the antenna
Implementation Method 2
This is done, for example, by using the vacuum applied to the vacuum handling device or the vacuum present in the component for actuating the switching element
Implementation Method 3
the switching element can be actuated with a magnet disposed in the vacuum handling device. For example, the switching element transitions from its open position into its closed position when the component approaches this magnet
Data Source
AI summary
The invention relates to a vacuum handling device (46) for fixing or transporting work pieces (44) comprising a plurality of components, wherein at least one of the components is provided with an RFID tag (10) and the RFID tag is provided with an RFID chip (14) and an antenna (12), wherein a switching element (16) is provided for the galvanic isolation of the RFID chip and antenna between the RFID chip and the antenna.