Voltage measuring device and method
The invention provides a voltage measuring device and method. The device comprises a voltage sampling module, a power conversion module, a VREF reference voltage module, a control module and a TTL communication isolation module, wherein the input end of the voltage sampling module and the input end...
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| Hauptverfasser: | , , |
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| Format: | Patent |
| Sprache: | chi ; eng |
| Schlagworte: | |
| Online-Zugang: | Volltext bestellen |
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| Zusammenfassung: | The invention provides a voltage measuring device and method. The device comprises a voltage sampling module, a power conversion module, a VREF reference voltage module, a control module and a TTL communication isolation module, wherein the input end of the voltage sampling module and the input end of the power conversion module are both connected with voltage to be measured, and the output end of the voltage sampling module is connected with the control module; the output end of the power supply conversion module is respectively connected with the VREF reference voltage module and the control module, the output end of the VREF reference voltage module is connected with the voltage sampling module, and the output end of the control module is connected with the TTL communication isolation module. According to the voltage measuring device provided by the invention, the voltage sampling module is directly connected with the to-be-measured voltage for taking electricity, and the signal is transmitted after being |
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