Detachable Battery Temperature Sensor Mounting for Easy Replacement

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Solution Overview

Problem

Existing temperature sensing structures in batteries lack universality and maintainability, leading to poor replaceability and safety issues when faults occur, resulting in potential overheating and explosion risks.

Innovation Solution

A detachable temperature sensing system comprising a temperature sensor, sensor mounting assembly, and signal transmission component, where the sensor mounting assembly is snap-fit connected to the battery cell, allowing for independent design, processing, and replacement of components, enhancing replaceability and compatibility.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If temperature sensor is fixed on battery unit by dispensing or welding, then temperature measurement function is achieved, but universality and maintainability are poor

Engineering Contradiction:
ImprovemaintainabilityVSAvoidfixed connection complexity
Core Design Contradiction:
ReliabilityVSEase of manufacture

Solution Approach 1:

The temperature sensing system is divided into separate modular components: sensor mounting assembly, signal transmission component, and battery unit. The sensor mounting assembly can be independently removed and replaced without affecting the battery unit, enabling easy maintenance and replacement of faulty sensors while maintaining reliable temperature monitoring functionality.

Inventive Principle:
Principle #1Segmentation

2Reliability

If temperature sensor is fixed by dispensing or welding, then temperature acquisition is achieved, but replaceability is poor

Engineering Contradiction:
ImprovereplaceabilityVSAvoidconnection structure
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The connection structure transitions from a fixed, permanent state (welding/dispensing) to a dynamic, changeable state (detachable connection). The sensor mounting assembly can be easily attached and detached from the battery unit through a simple connection mechanism, allowing rapid replacement of sensors while maintaining a relatively simple overall structure.

Inventive Principle:
Principle #15Dynamics

3Measurement precision

If temperature sensor is fixed on battery unit, then temperature measurement is achieved, but maintenance difficulty increases

Engineering Contradiction:
Improvetemperature measurementVSAvoidsensor maintenance
Core Design Contradiction:
Measurement precisionVSEase of repair

Solution Approach 1:

The temperature sensor and its mounting assembly are extracted as a separate, independently replaceable unit from the battery system. This allows the sensor to be removed and maintained without disassembling or damaging the battery unit, preserving temperature measurement precision while dramatically simplifying maintenance operations.

Inventive Principle:
Principle #2Taking out (Extraction)

4Reliability

If fixed connection method is used, then temperature sensing is achieved, but universality is poor

Engineering Contradiction:
Improvesensing functionVSAvoiduniversality
Core Design Contradiction:
ReliabilityVSAdaptability or versatility

Solution Approach 1:

The sensor mounting assembly is designed as a universal interface that can accommodate different temperature sensor types and be applied to various battery unit configurations. The detachable connection mechanism and standardized mounting structure enable the same assembly design to be used across different battery models, improving universality while maintaining reliable temperature sensing functionality.

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

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 detachable system improves the maintenance and replacement of temperature sensors, reducing the scrapping probability of batteries and costs by enabling direct removal and replacement of faulty components, thus enhancing safety and reliability.

Implementation Method 1

the sensor mounting assembly further comprises a thermally conductive member, the thermally conductive member being configured for transferring the temperature of the battery cell to the temperature sensor

Methodology Applied
Scientific EffectThermal conduction: Conduction (thermal)

Implementation Method 2

the other end of the lead-out terminal is provided with an elastic connection portion, and the signal transmission component is inserted into the connection port and is detachably connected to the elastic connection portion

Methodology Applied
Scientific EffectElasticity: Elasticity

Data Source

PatentUS20230352751A1Battery and power consuming device
Publication Date: 2023.11.02 JIANGSU CONTEMPORARY AMPEREX TECH LTD
  • US20230352751A1 patent drawing
  • US20230352751A1 patent drawing
  • US20230352751A1 patent drawing

AI summary

The present application relates to a battery and a power consuming device. The battery includes: a battery cell; a temperature sensor for measuring the temperature of the battery cell; a sensor mounting assembly for mounting the temperature sensor; and a signal transmission component for being electrically connected to the temperature sensor to transmit a temperature signal of the battery cell, the signal transmission component being detachably connected to the sensor mounting assembly. The replaceability and compatibility of the temperature sensor can be improved to facilitate the maintenance of the battery and the replacement of a failure apparatus, and reduce the cost of the battery and the scrapping probability of the entire battery.