Electrical Junction Box Frame With Integrated Temperature Sensor Holding
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Solution Overview
Problem
Existing electrical junction boxes require a large number of components to fix thermistor wires to stator cores, increasing complexity and component count.
Innovation Solution
An electrical junction box design that integrates a bus bar, a frame, and a temperature detection member, where the temperature detection member is held by one or more holding parts that are molded integrally with the frame, reducing the number of components needed.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If thermistor wire fixing clips are used to fix the temperature detection member, then the temperature detection is secured, but the number of components increases
Solution Approach 1:
The frame is designed to integrate multiple functions: it holds the bus bar, provides structural support, and includes integrated holding parts that secure the temperature detection member. This merging of functions eliminates the need for separate fixing clips, reducing component count while maintaining detection reliability
Solution Approach 2:
The frame serves multiple purposes simultaneously: it acts as a structural support for the bus bar, provides mechanical protection, and incorporates holding parts that function as mounting structures for the temperature detection member. This multi-functionality reduces the overall component count in the electrical junction box
Data Source
AI summary
An electrical junction box includes: a bus bar; a frame that holds the bus bar; and a temperature detection member that detects the temperature of the bus bar, wherein the temperature detection member includes a detection main body part capable of detecting temperature, and a wiring part extending from the detection main body part, and is held by one or more holding parts, the frame is integrally molded in a shape including a frame part surrounding a periphery of at least a part of the bus bar that includes a detection target portion to be subjected to detection by the temperature detection member, and at least one holding part of the one or more holding parts, and the at least one holding part of the one or more holding parts is provided so as to be located inward of the frame part.