Load marker
The utility model relates to a load marker. The load marker comprises a sampling resistor connected with a linear load in series, the linear load is provided with a switch, the load marker also comprises a rectifier diode and a time-delay relay, and the rectifier diode and a normally-open contact of...
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| Format: | Patent |
| Sprache: | eng |
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| Zusammenfassung: | The utility model relates to a load marker. The load marker comprises a sampling resistor connected with a linear load in series, the linear load is provided with a switch, the load marker also comprises a rectifier diode and a time-delay relay, and the rectifier diode and a normally-open contact of the time-delay relay are connected in parallel and then connected with the sampling resistor in series. According to the load marker, the waveform of load current is changed so that an intelligent load recognizer and the load marker can distinguish the linear loads with similar powers, the circuit is simple, practicality and reliability are realized, the cost is low, and the usage security of electric appliances is improved. |
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