Electrical Junction Box with Universal Connector Mounting
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Solution Overview
Problem
Existing electrical junction boxes face difficulties in changing circuits due to the inability to replace different connectors, such as fusible links and fuses, on the same mounting portion.
Innovation Solution
The design incorporates a general-purpose connector mounting unit within the junction box that allows for the selective attachment and detachment of various connectors, including fusible links, fuses, and rescue terminals, with a deformation prevention structure and locking mechanism to securely connect them to a power supply side circuit board.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If different connectors (fusible links, fuses) are mounted on fixed mounting portions, then the circuit configuration is stable and reliable, but the circuit cannot be easily changed or adapted
Solution Approach 1:
The patent introduces a general-purpose connector mounting unit that can accommodate multiple types of connectors (fusible links, fuses, relay sockets) through a standardized interface. This universal mounting structure allows the same physical location to serve multiple circuit configuration purposes, enabling easy adaptation without adding complex specialized mounting structures for each connector type.
Solution Approach 2:
The mounting unit is divided into separable components: a stationary mounting portion integrated with the case body and a detachable connector that can be selectively attached. This segmentation allows the connector to be removed and replaced independently, facilitating circuit changes while maintaining the stability of the overall mounting structure.
2Ease of operation
If connectors are made detachable for easy replacement, then circuit changes become simple, but connector security and reliability may be compromised
Solution Approach 1:
The connector mounting structure transitions from a static fixed connection to a dynamic detachable connection. The connector can be easily inserted and removed when needed for circuit changes, yet when installed, it provides a secure and reliable electrical connection through proper engagement features that ensure stable contact during vehicle operation.
Data Source
AI summary
An electrical junction box includes a case body having a plurality of connector portions, a power supply side circuit board accommodated in the case body and a general-purpose connector mounting unit provided in the case body and configured such that a plurality of types of connectors are selectively attached to and detached from the general-purpose connector mounting unit. The general-purpose connector mourning unit is configured such that a power supply side terminal of the plurality of types of connectors is electrically connected to a terminal connection portion of the power supply side circuit board.