Energy metering system with self-powered sensors
First Claim
1. An energy metering system for determining electrical loads of a distribution panel, the energy metering system comprising:
- a plurality of sensors for sensing an electrical load of a plurality of circuit breakers and providing corresponding sensor data, the plurality of sensors arranged in proximity to the plurality of circuit breakers of the distribution panel;
a data processing system for converting the sensor data of the plurality of sensors into electrical load information for a plurality of electrical circuits protected by corresponding circuit breakers; and
an energy harvesting device for powering the plurality of sensors, wherein the energy harvesting device is arranged in front of a protective cover of the distribution panel covering the plurality of electrical circuits.
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Accused Products
Abstract
The present invention relates to an energy metering system for determining electrical loads of a distribution panel, sensor devices, and fuse boxes for an energy metering system. The energy metering system includes a plurality of sensors for sensing an electrical load of the plurality of circuit breakers and providing corresponding sensor data, wherein the plurality of sensors are arranged in proximity to a plurality of circuit breakers of the distribution panel. The energy metering system also includes a data processing system for converting the sensor data of the plurality of sensors into electrical load information for a plurality of electrical circuits protected by corresponding circuit breakers, and at least one energy harvesting device for powering the plurality of sensors. The at least one energy harvesting device is arranged in front of a protective cover of the distribution panel covering the plurality of electrical circuits.
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Citations
21 Claims
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1. An energy metering system for determining electrical loads of a distribution panel, the energy metering system comprising:
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a plurality of sensors for sensing an electrical load of a plurality of circuit breakers and providing corresponding sensor data, the plurality of sensors arranged in proximity to the plurality of circuit breakers of the distribution panel; a data processing system for converting the sensor data of the plurality of sensors into electrical load information for a plurality of electrical circuits protected by corresponding circuit breakers; and an energy harvesting device for powering the plurality of sensors, wherein the energy harvesting device is arranged in front of a protective cover of the distribution panel covering the plurality of electrical circuits. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A sensor device to be arranged on a surface of a housing of at least one circuit breaker, the sensor device comprising:
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at least one sensor circuit for sensing an electrical load of at least one electrical circuit protected by the at least one circuit breaker; and an energy harvesting circuit connected to the at least one sensor circuit and configured to harvest electrical energy emitted from the at least one circuit breaker to power the at least one sensor circuit with the harvested energy. - View Dependent Claims (12, 13, 14, 15, 16)
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17. A fuse box for accommodating a plurality of circuit breakers, each circuit breaker comprising at least one terminal for connecting a circuit to be protected and at least one operating element, the fuse box comprising:
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a protective cover arranged within the fuse box, the protective cover dividing the inside of the fuse box into an operating area arranged in front of the protective cover, and an installation area arranged behind the protective cover, the protective cover comprising at least one opening for accommodating the plurality of circuit breakers such that the at least one terminal of each of the circuit breaker is arranged in the installation area and the at least one operating element of each of the circuit breaker extends through the at least one opening into the operating area; and at least one energy harvesting device for harvesting electrical energy emitted by at least one circuit breaker of the plurality of circuit breakers, wherein the energy harvesting device is arranged in the operating area of the fuse box in front of the protective cover covering a plurality of electrical circuits connected to the respective terminals of the plurality of circuit breakers. - View Dependent Claims (18, 19, 20, 21)
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Specification