Modular Instrument Enclosure for DIN Rail and Panel Mounting
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Solution Overview
Problem
Industrial process terminals are typically designed for either panel mounting or DIN rail mounting, requiring different and dedicated mounting hardware, which limits interchangeability and increases product costs.
Innovation Solution
A modular instrument enclosure that allows for both panel and DIN rail mounting using a combination of molded components, including a DIN rail mounting slot and interchangeable mounting brackets with interlocking structures, enabling secure attachment to either a control panel or DIN rail with minimal additional components.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If terminals are designed for dedicated panel mounting or DIN rail mounting with different mounting hardware, then mounting security is ensured, but mounting interchangeability is limited and product costs increase
Solution Approach 1:
The instrument enclosure is designed with a universal mounting structure that can perform multiple mounting functions. The rear face of the enclosure includes both a DIN rail mounting slot for DIN rail attachment and provision for panel mounting brackets, allowing the same enclosure to be mounted either on a DIN rail or on a panel wall depending on which mounting method is selected, thereby reducing the need for different dedicated mounting hardware.
Solution Approach 2:
The mounting structure is segmented into separate functional components: the DIN rail mounting slot is integrated into the enclosure housing, while panel mounting brackets are provided as separate attachable components. This segmentation allows the enclosure to be configured for different mounting methods by simply adding or using the appropriate mounting component, rather than requiring completely different enclosures for each mounting type.
2Reliability
If dedicated mounting hardware is used for each mounting method, then mounting security is ensured, but product costs increase
Solution Approach 1:
The enclosure housing is designed as a universal platform that can be securely mounted using either DIN rail or panel mounting methods. By integrating the DIN rail slot directly into the housing and providing panel mounting brackets as optional add-ons, the design ensures reliable mounting security for both methods while avoiding the need to manufacture and stock completely separate enclosure variants, thereby reducing production costs.
3Adaptability or versatility
If modular mounting components are used, then mounting flexibility is improved, but device complexity increases
Solution Approach 1:
The mounting system is segmented into modular components: the integrated DIN rail slot in the enclosure housing, separate panel mounting brackets, and fastening elements. This segmentation provides mounting flexibility by allowing the user to select and assemble only the necessary mounting components for the desired installation method, while the modular nature keeps the overall complexity manageable through standardized interfaces and simple attachment mechanisms.
Data Source
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AI summary
A flexible, modular mounting system for an industrial process terminal or similar instrumentation. The instrumentation may be panel mounted or DIN rail mounted using an enclosure having only a minimum number of unique components. An instrument housing is included for containing various electronic components of such a terminal. The housing is adapted to mate with a DIN rail, and can easily be fitted with mounting brackets that allow the housing to be used in a panel mounted arrangement. In the latter case, a user interface module is located on an opposite side of a panel wall and connected to the appropriate electronic components of the instrumentation through an opening provided therein.