High Voltage Battery Maintenance Device with Charge and Diagnostic Functions
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Solution Overview
Problem
Current devices cannot simultaneously charge high-voltage batteries to a higher state and perform diagnostic functions, nor can they bring batteries to a defined lower charge state, lacking the capability to integrate charge, discharge, and diagnostic operations in a single device.
Innovation Solution
A device that combines high-voltage battery charge, discharge, and diagnostic functions, featuring terminals, stimulus generators, and a data transmission system to manage and monitor battery states, allowing for bidirectional data exchange and safe operation through a safety device and human-machine interface.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If separate charge devices and diagnostic devices are used for high-voltage batteries, then each device can be specialized and simple, but multiple devices are required and operation becomes complex
Solution Approach 1:
The patent combines a charge device and a diagnostic device into a single integrated device. The charge device includes charge terminals connected to the battery terminals, while the diagnostic device includes an information processing unit that can communicate with the battery management system. This integration allows both charging and diagnostics to be performed with one device, eliminating the need for separate equipment and simplifying operational procedures.
Solution Approach 2:
The integrated device performs multiple functions: it can charge the high-voltage battery through the charge terminals, perform diagnostics by communicating with the battery management system via the data transmission terminal, and monitor battery status. This multi-functional capability allows a single device to replace what previously required multiple specialized devices, improving ease of operation while maintaining functional sophistication.
2Adaptability or versatility
If dedicated high-voltage battery charge devices are used, then charging function is reliable, but diagnostic capability is missing
Solution Approach 1:
The patent merges the charge device and diagnostic device into one integrated system. The charge device maintains its dedicated charging terminals and control circuitry for reliable charging operations, while the diagnostic device integrates an information processing unit that can access the battery management system through a data transmission terminal. This combination ensures both charging reliability and diagnostic capability coexist in a single device.
Solution Approach 2:
The integrated device uses the battery management system as an intermediary between the charge device and diagnostic functions. The battery management system receives charging commands from the charge device while simultaneously providing data to the diagnostic device's information processing unit. This intermediary role allows reliable charging operations to proceed while enabling comprehensive diagnostic monitoring of battery status and charging parameters.
3Adaptability or versatility
If high-voltage battery modules are separated and stored individually, then storage flexibility is improved, but specialized charge devices are required for each
Solution Approach 1:
The integrated device is designed with universal compatibility for high-voltage battery modules. It includes charge terminals that can connect to individual battery modules as well as diagnostic capabilities that can assess the status of these modules. The information processing unit can identify and communicate with the battery management system of separated modules, allowing the same device to charge and diagnose multiple different modules without requiring specialized equipment for each one.
Data Source
AI summary
A device for servicing/maintaining a high-voltage battery, which has individual battery cells or battery modules, and high-voltage positive and negative terminals, and a battery management system having a data transmission terminal for bidirectionally transmitting management system data between the management system and an information-processing unit, external to the battery. The device includes at least two of: a battery charge device, a battery discharge device, and a battery diagnostic device. A battery charge device brings a battery to a higher charge state, and has positive and negative terminals to be connected to positive and negative battery terminals. A battery diagnostic device checks a battery, and the device, for the presence of internal errors, and to indicate recognized internal errors, and may also produce diagnostic data for the battery state and triggering functions directed to bring the device and/or battery safely into a different state, to operate/test them.