Embedded Temperature Sensor Terminal for Accurate Charging Heat Sensing

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Solution Overview

Problem

Existing temperature measurement methods for electric vehicle charging terminals face challenges such as insufficient contact area between sensors and terminals, inaccuracies due to heat conductors, and slow measurement speeds in non-contact methods.

Innovation Solution

A temperature-measurement terminal structure that embeds a temperature sensor within a terminal, eliminating the need for a heat conductor and enhancing contact area, thereby improving measurement accuracy and speed.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If non-contact temperature measurement is used, then temperature measurement range is expanded, but measurement accuracy decreases and measurement speed becomes slow

Engineering Contradiction:

Improvetemperature measurement rangeVSAvoidtemperature measurement accuracy

Core Design Contradiction:

Adaptability or versatilityVSMeasurement precision

Solution Approach 1:

The patent replaces non-contact optical measurement with direct thermal contact measurement. The temperature sensor is embedded into the terminal body through an embedding groove, establishing direct thermal coupling without requiring optical paths or radiation detection, thereby achieving fast and accurate measurement.

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

Solution Approach 2:

The temperature sensor is nested within the terminal structure by embedding it into the embedding groove. This nested configuration ensures intimate thermal contact between the sensor and terminal while maintaining a compact integrated design.

Inventive Principle:

Principle #7Nested doll (Nesting)

2Ease of operation

If contact temperature measurement is used with insufficient contact area, then measurement simplicity is maintained, but measurement accuracy decreases

Engineering Contradiction:

Improvemeasurement simplicityVSAvoidtemperature measurement accuracy

Core Design Contradiction:

Ease of operationVSMeasurement precision

Solution Approach 1:

The patent creates a localized high-contact-area region by embedding the temperature sensor into the terminal body. The embedding groove ensures that the sensor surface is in intimate contact with the terminal surface at the measurement location, providing accurate temperature detection without complicating the overall system.

Inventive Principle:

Principle #3Local quality

3Use of energy by moving object

If a heat conductor is used to connect terminal and temperature sensor, then temperature transfer is enabled, but temperature loss occurs and additional space is required

Engineering Contradiction:

Improvetemperature transfer capabilityVSAvoidtemperature measurement accuracy

Core Design Contradiction:

Use of energy by moving objectVSMeasurement precision

Solution Approach 1:

The patent removes the heat conductor from the system by directly embedding the temperature sensor into the terminal body. This elimination of the intermediate heat conductor prevents temperature loss and measurement inaccuracy while reducing the required space for temperature measurement.

Inventive Principle:

Principle #2Taking out (Extraction)

4Use of energy by moving object

If a heat conductor is used to connect terminal and temperature sensor, then temperature transfer is enabled, but device complexity and space requirements increase

Engineering Contradiction:

Improvetemperature transfer capabilityVSAvoidstructure complexity

Core Design Contradiction:

Use of energy by moving objectVSDevice complexity

Solution Approach 1:

The patent merges the temperature sensor directly into the terminal body structure by embedding it in the embedding groove. This integration eliminates the need for separate heat conductors and reduces overall device complexity while maintaining effective temperature transfer.

Inventive Principle:

Principle #5Merging (Combining)

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 embedded temperature sensor design provides more accurate and timely temperature measurements, reducing errors and ensuring safe charging operations.

Implementation Method 1

The temperature sensor is at least partially disposed in the embedding groove, and has a temperature measurement surface attached to the inner contact surface

Methodology Applied

Scientific EffectThermal conduction: Conduction (thermal)

Data Source

PatentUS20250060256A1Temperature-measurement terminal structure

Publication Date: 2025.02.20 CHANGCHUN JETTY AUTOMOTIVE PARTS CORPORATION

AI summary

The present disclosure discloses a temperature-measurement terminal structure, which belongs to the technical field of the manufacturing of electric energy transmission devices, including a terminal (1) and a temperature sensor (2). The terminal (1) includes an embedding groove (11) with an inner contact surface (111). The temperature sensor (2) is at least partially disposed in the embedding groove (11) and has a temperature measurement surface (21) attached to the inner contact surface (111). In the present disclosure, by disposing the temperature sensor in the groove, the temperature sensor can be more firmly attached to the terminal, so that the temperature signal collected by the temperature sensor is closer to the actual temperature change, with small error. By connecting the plugging member with the temperature sensor, the temperature sensor can be conveniently installed before being connected to a wire, so as to meet the requirements of complicated installation environments.