Metal Latching Element for Plug Connector Temperature Sensing

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Solution Overview

Problem

Existing temperature detection devices for plug connector parts have complex structures, leading to increased production tolerances and potential inefficiencies in heat transfer and mounting processes.

Innovation Solution

A temperature detection device featuring a metal latching element with a sensor mount for securely fastening temperature sensors, allowing for effective heat conduction and simple production, utilizing materials like aluminum, copper, or steel, and incorporating PTC or NTC resistors for temperature monitoring.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If a complex structure is used for temperature detection device, then mounting and heat transfer can be achieved, but device complexity increases and production tolerances become more difficult to control

Engineering Contradiction:
Improvemounting effectivenessVSAvoidstructure complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The temperature detection device is segmented into distinct functional components: a latching element for mounting and a separate temperature sensor. This segmentation allows each component to be optimized independently - the latching element provides reliable mechanical attachment while the sensor handles temperature detection, thereby reducing overall device complexity while maintaining mounting effectiveness.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The latching element serves multiple functions: it provides mechanical mounting attachment to the contact element and simultaneously acts as a thermal conduction path. This multi-functionality reduces the need for additional separate components, thereby simplifying the overall device structure while ensuring reliable mounting and effective heat transfer.

Inventive Principle:
Principle #6Universality (Multi-functionality)

2Loss of energy

If direct contact mounting is used, then heat transfer efficiency is improved, but production tolerances become more sensitive

Engineering Contradiction:
Improveheat transfer efficiencyVSAvoidproduction tolerances
Core Design Contradiction:
Loss of energyVSManufacturing precision

Solution Approach 1:

The latching element acts as an intermediary component between the contact element and the temperature sensor. It provides a standardized interface that mediates the thermal transfer while absorbing manufacturing tolerances through its design features (such as elastic deformation capability), thereby maintaining heat transfer efficiency without requiring extremely tight production tolerances.

Inventive Principle:
Principle #24Intermediary (Mediator)

Solution Approach 2:

The latching element is designed with specific material properties and geometric parameters (such as elasticity modulus, thickness, and contact area) that can be adjusted to optimize thermal conduction. By carefully selecting these parameters, the device achieves efficient heat transfer while accommodating normal production tolerances without requiring excessive precision.

Inventive Principle:
Principle #35Parameter changes

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

The solution provides a simple, robust, and efficient temperature monitoring system with rapid response times, suitable for high-current charging applications, ensuring effective heat transfer and secure mounting without additional insulation needs.

Implementation Method 1

the latching element comprises metal... allows particularly effective heat conduction... ensures effective heat transfer

Methodology Applied
Scientific EffectHeat conduction: Conduction (thermal)

Data Source

PatentUS20230396027A1Temperature detection device for a plug connector part
Publication Date: 2023.12.07 PHOENIX CONTACT E MOBILITY GMBH
  • US20230396027A1 patent drawing
  • US20230396027A1 patent drawing
  • US20230396027A1 patent drawing

AI summary

A temperature detection device for a plug connector part includes: a latching element mountable on a contact element of the plug connector part; and at least one temperature sensor. The latching element is made of metal. The at least one temperature sensor is fastened to the latching element by a sensor mount.