Temperature Sensor Harness Clamping Structure to Prevent Separation
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Solution Overview
Problem
Existing temperature sensor supporting devices for vehicle air conditioning systems are complex due to the need for a tapered cylindrical member and pawl parts, which complicate the structure and require additional components.
Innovation Solution
A temperature sensor supporting device with a linear elongated separation preventive part and a pair of harnesses, where the harnesses are clamped in grooved portions of the supporting body to secure the sensor, eliminating the need for a cylindrical member and simplifying the structure by allowing the sensor to be positioned and fixed outside the supporting body.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a tapered cylindrical member with pawl parts is used to prevent separation, then the temperature sensor can be securely held, but the structure becomes complicated and requires additional components
Solution Approach 1:
The invention extracts and eliminates the tapered cylindrical member from the system. Instead of using a complex cylindrical holder with pawl parts, the patent uses a simple flat plate holder where the temperature sensor is directly attached to the plate surface, removing unnecessary components while maintaining secure positioning
Solution Approach 2:
Instead of having the holder actively grip the sensor through complex mechanical features (paws, tapered surfaces), the invention inverts the approach by having the sensor naturally positioned and secured on the flat plate surface through simple attachment, reversing the traditional gripping mechanism
2Reliability
If a tapered cylindrical member is used, then the temperature sensor can be securely positioned, but the manufacturing process becomes more complex
Solution Approach 1:
The invention removes the tapered cylindrical member entirely, replacing it with a simple flat plate structure that is much easier to manufacture. The flat plate can be produced through standard fabrication processes without requiring complex tapering, hole drilling, or pawl formation operations
Solution Approach 2:
The invention changes the fundamental geometric parameters of the holder from a complex three-dimensional tapered cylindrical shape with multiple features to a simple two-dimensional flat plate geometry, dramatically simplifying the manufacturing process while maintaining functional effectiveness
Data Source
AI summary
A temperature sensor supporting device includes a supporting body having first and second groove portions, a separation preventive part, and a pair of harnesses connected to a temperature sensor. The first groove portion is set to have such a groove width size as to permit clamping of proximal end parts of the harnesses inward of the supporting body when the proximal end parts are viewed as a single overlapping line from a first angle. The second groove portion is set to have such a groove width size as to permit clamping of intermediate parts of the harnesses inward of the supporting body when the intermediate parts are viewed as two lines from a second angle. The proximal end parts and the intermediate parts are clamped respectively in the first and second groove portions so that the sensor is positioned and fixed with the sensor disposed outside the supporting body.