Intelligence single -phase electric energy meter
The utility model discloses an intelligence single -phase electric energy meter, including direct current DC converting circuit, measurement chip, ammeter input, a looks C looks / zero looks power supply circuit, a looks C looks voltage sampling circuit and A looks C looks current sampling circuit,...
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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 utility model discloses an intelligence single -phase electric energy meter, including direct current DC converting circuit, measurement chip, ammeter input, a looks C looks / zero looks power supply circuit, a looks C looks voltage sampling circuit and A looks C looks current sampling circuit, connecting direct current DC converting circuit after A looks C looks / zero looks power supply circuit is parallelly connected and supplying power for the electric energy meter, a looks C looks voltage sampling circuit and A looks C looks current sampling circuit are connected and spread into voltage, current sample signal into the measurement chip with the measurement chip. The utility model designs a general power supply circuit and voltage, current sampling circuit, to each single -phase electric energy meter who plants concrete type, general circuit all can satisfy the demand of this type electric energy meter, consequently the utility model discloses single -phase intelligent ammeter that can compatible polym |
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