Electromagnetic flowmeter excitation control system based on differential compensation PFM modulation
An electromagnetic flowmeter and excitation control technology, which is applied in the application of electromagnetic flowmeters to detect fluid flow, volume/mass flow generated by electromagnetic effects, and measure flow/mass flow. The problem of large reduction and large excitation power consumption can achieve the effect of speeding up the turn-on and turn-off speed, speeding up the rising speed, and increasing the excitation frequency.
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Image
Examples
Embodiment Construction
[0031] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0032] figure 1 It is a block diagram of the excitation control system of the present invention, the system includes a DC power supply 1, a PFM controller 2, a filter circuit 3, a ripple compensation circuit 4, a differential compensation circuit 5, a limiter feedback circuit 6, an excitation sequence circuit 7, and an excitation coil drive circuit 8. Current sampling circuit 9. The DC power supply 1 is the power supply for the excitation contro...
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, Popular Technical Reports.
© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com