Battery Pack Information Input With Protocol Conversion and Verification

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Solution Overview

Problem

Existing battery management systems face challenges in effectively distinguishing battery packs due to the rapid growth of refined categories, leading to issues with identification resistors and confusion from burned software programs.

Innovation Solution

An intelligent device with a human-machine interaction module and information conversion module is used to input and convert production and charging/discharging information into battery packs, ensuring compatibility and accuracy through high and low-level communication protocols and verification processes.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Device complexity

If identification resistors are used to distinguish battery packs, then the identification method is simple, but it is no longer possible to distinguish the battery cells effectively as refined categories increase

Engineering Contradiction:

Improveidentification method complexityVSAvoidbattery cell distinction accuracy

Core Design Contradiction:

Device complexityVSMeasurement precision

Solution Approach 1:

The patent changes the identification approach from using simple resistor values to using multiple parameters including resistance values, capacitance values, and diode characteristics. This multi-parameter identification system can distinguish between increasingly refined battery pack categories while maintaining a relatively simple device structure.

Inventive Principle:

Principle #35Parameter changes

Solution Approach 2:

The identification circuit uses a composite structure combining resistors, capacitors, and diodes working together as an identification network. This composite approach enables more sophisticated battery pack differentiation compared to using resistors alone, allowing the system to handle refined battery categories effectively.

Inventive Principle:

Principle #40Composite materials

2Measurement precision

If different software programs are burned for different battery packs, then identification capability increases, but confusion in burned files results in missed or wrong burns

Engineering Contradiction:

Improvebattery pack identification capabilityVSAvoidsoftware burning accuracy

Core Design Contradiction:

Measurement precisionVSReliability

Solution Approach 1:

The patent replaces the software-burning approach with a hardware-based identification circuit consisting of passive components (resistors, capacitors, diodes). This hardware-based solution eliminates the risks associated with software burning such as file confusion, missed burns, and programming errors, while maintaining reliable battery pack identification.

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

Solution Approach 2:

The identification circuit uses simple, inexpensive passive components that can be easily replaced or modified. This approach is more reliable and cost-effective than burning software programs, as the hardware components provide stable, error-free identification without the complexities of software management.

Inventive Principle:

Principle #27Cheap short-living objects (Disposable)

3Adaptability or versatility

If refined categories of battery packs increase, then battery cell types and capabilities are better differentiated, but identification resistors can no longer distinguish the battery cells effectively

Engineering Contradiction:

Improvebattery pack category differentiationVSAvoidbattery cell identification effectiveness

Core Design Contradiction:

Adaptability or versatilityVSMeasurement precision

Solution Approach 1:

The patent extends the identification system from single-parameter (resistance only) to multi-parameter identification including resistance, capacitance, and diode characteristics. This enables the system to effectively distinguish between increasingly refined battery pack categories with different cell types, charging capabilities, and series/parallel configurations.

Inventive Principle:

Principle #35Parameter changes

Solution Approach 2:

The identification network uses a composite structure of multiple passive components that work together to provide sophisticated battery pack differentiation. This composite approach enables reliable identification across expanded battery categories while maintaining system simplicity and reliability.

Inventive Principle:

Principle #40Composite materials

Data Source

PatentUS20250349915A1Intelligent device, battery pack information input method, and computer-readable medium

Publication Date: 2025.11.13 JIANGSU DONGCHENG TOOLS TECH CO LTD

AI summary

The present invention relates to an intelligent device, a battery pack information input method, and a computer-readable medium. The intelligent device includes a human-machine interaction module and an information conversion module and is configured to input information into a battery pack. The battery pack information input method includes: setting input information of a battery pack at the human-machine interaction module; the information conversion module converting the input information into configuration information that meets the communication requirements of the battery pack and sending the configuration information to the battery pack; the battery pack storing the configuration information into a memory; and the intelligent device reading the configuration information in the battery pack memory and compares and verifies the configuration information against the input information. The battery pack information input method enables the intuitive input of production information and charging and discharging information of the battery pack during production.