Photoelectric sampling device compatible with detection of different types of intelligent electric energy meters
A photoelectric sampling device compatible with detection of different types of intelligent electric energy meters comprises a first light sensor, a second light sensor, a third light sensor, a first signal amplification circuit and a second signal amplification circuit. The first light sensor and t...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | A photoelectric sampling device compatible with detection of different types of intelligent electric energy meters comprises a first light sensor, a second light sensor, a third light sensor, a first signal amplification circuit and a second signal amplification circuit. The first light sensor and the second light sensor are respectively corresponding to an active pulse lamp and a reactive pulse lamp of a first type of Internet-of-Things electric energy meter, and the third light sensor and the second light sensor are respectively corresponding to an active pulse lamp and a reactive pulse lamp of a second type of Internet-of-Things electric energy meter; the signal output ends of the first light sensor and the third light sensor are connected with the input end of the first signal amplification circuit, and the signal output end of the second light sensor is connected with the input end of the second signal amplification circuit. According to the invention, under the condition that the photoelectric sampling |
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