Isolated form battery current measuring circuit based on shunt
The utility model discloses an isolated form battery current measuring circuit based on shunt, including shunt, preamp circuit, AD converting circuit and the signal isolation protection circuit that connects gradually, preamp circuit includes operational amplifier circuit and voltage follower circui...
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| Hauptverfasser: | , , , |
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| Format: | Patent |
| Sprache: | chi ; eng |
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| Zusammenfassung: | The utility model discloses an isolated form battery current measuring circuit based on shunt, including shunt, preamp circuit, AD converting circuit and the signal isolation protection circuit that connects gradually, preamp circuit includes operational amplifier circuit and voltage follower circuit, operational amplifier circuit includes the 83 resistance, the 84 resistance, the 86 resistance, the 90 resistance, the 91 resistance, the 100 resistance, the tenth inductance, the 11 inductance, the 87 electric capacity, the 91 electric capacity, the 99 electric capacity, the 100 electric capacity and operational amplifier, voltage follower circuit includes voltage follower, the 103 resistance, the 106 resistance, the 110 resistance and the 107 electric capacity. Implement the utility model discloses an isolated form battery current measuring circuit based on shunt has following beneficial effect: can improve security, sampling precision and the linearity of battery current measuring circuit.
本实用新型公开了种基于分流器的隔离型蓄 |
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