Modular Contactor Coil Connection with Multi-Face Terminals
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Solution Overview
Problem
Existing contactors with modular connections face challenges in simplified assembly and increased complexity due to non-standardized positioning of connection means on multiple faces, leading to larger size and higher costs.
Innovation Solution
A contactor design featuring an internal connection arrangement with pairs of contact parts on multiple faces and removable modules with distinct structures for different orientations, allowing for single-operation assembly and additional functionalities, including elastic and rigid components for stress distribution and integrated electronic functions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If connection means are provided on several faces of the contactor to provide several connection possibilities, then adaptability is improved, but device complexity and size increase
Solution Approach 1:
The connection means are divided into modular terminal blocks that can be independently selected and positioned. Each terminal block is a separate module that can be mounted on different faces of the contactor, allowing customization without increasing the base contactor complexity. This segmentation enables customers to choose only the connection configurations they need.
Solution Approach 2:
The patent utilizes the three-dimensional space around the contactor by placing connection means on multiple faces (front, rear, and lateral faces). This spatial distribution allows multiple connection possibilities without increasing the footprint of the contactor, effectively using the vertical and lateral dimensions to provide adaptability.
2Adaptability or versatility
If connection means are provided on several faces of the contactor to provide several connection possibilities, then adaptability is improved, but the size of the contactor increases
Solution Approach 1:
The connection terminals are distributed across multiple faces of the contactor, utilizing the available surface area on the front, rear, and lateral faces. This approach provides multiple connection orientations without increasing the overall footprint of the contactor, as the connections are arranged around the existing structure rather than expanding it.
Solution Approach 2:
The contactor body is designed with universal mounting features that can accommodate terminal blocks on any face. This multi-functional design allows the same contactor body to serve different connection configurations without requiring size increases or additional components.
3Adaptability or versatility
If modular connection means are used with terminals mounted in several stages, then adaptability is improved, but ease of manufacture deteriorates
Solution Approach 1:
The terminal blocks are pre-assembled with their connection terminals and internal wiring before being mounted on the contactor. This preliminary preparation allows for simpler on-site installation, as the complex terminal assembly work is completed during manufacturing rather than during customer installation.
Solution Approach 2:
The connection system is segmented into independent terminal block modules that can be manufactured separately and then easily mounted on the contactor. This segmentation simplifies the manufacturing process by allowing parallel production of terminal blocks and contactor bodies, which are then quickly assembled together.
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 simplified assembly and modular connection in various orientations, reducing complexity and size while providing additional functionalities, such as stress distribution and integrated electronic control, thereby enhancing usability and efficiency.
Implementation Method 1
the contact parts intended to cooperate together of the first and second pairs, respectively have an elastic portion, in particular consisting of an elastic clamping yoke or an elastic loop
Data Source
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AI summary
The contactor (2) has a modular connection unit to connect an operating coil to an exterior circuit for supplying the coil and including a connection arrangement. The arrangement has pairs of contact parts arranged proximate to a front side (4) and lateral sides (7, 8) of an isolating body (3). Each contact part is arranged opposite to an opening (17) of the body. Removable connection modules (20a, 20b) have a pair of screw or spring connection terminals connected to another pair of contact parts cooperating with the former pairs of contact parts. Each contact pair of both the pairs has an elastic portion formed by elastic grip clip or elastic buckle and is in the form of surface mounted component.