Accumulator cell real time on-line nondestructive accurate measurement method
A technology of precise measurement and battery, applied in the direction of measuring electricity, measuring devices, measuring electrical variables, etc., to achieve timely operation data, accurate detection of battery internal resistance, and network management
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Image
Examples
Example Embodiment
[0020] As shown in Figure 1, the present invention uses a low-frequency AC signal generator to inject a low-frequency AC current signal into the battery, and uses the AC current signal to measure the low-frequency AC voltage V at both ends of the battery. 0 And the low-frequency AC current Is flowing through, and the low-frequency AC voltage V measured by the differential area method 0 The phase difference α between the low-frequency AC current Is and the flowing low-frequency AC current Is; the low-frequency AC signal generator 1 of the present invention collects the single DC voltage and AC voltage signals of the battery through the voltage sampling module through the coupling drive amplifying circuit, and then collects the collected AC The voltage signal and DC voltage signal are sent to the multi-channel conversion switch through the low-pass active filter to remove the interference signal, and then sent to the single-chip microcomputer through A / D conversion to obtain their a...
PUM
Abstract
Description
Claims
Application Information
- R&D Engineer
- R&D Manager
- IP Professional
- Industry Leading Data Capabilities
- Powerful AI technology
- Patent DNA Extraction
Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic.
© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap