System of intelligent sensors in an electrical panelboard
First Claim
1. A system for monitoring a plurality of circuit branches coupled to an input line within a load center, the system comprising:
- a plurality of current sensors, each configured to be removeably coupled to at least one of the plurality of circuit branches and to produce a signal having a level related to a current level of the one of the plurality of circuit branches;
a communications bus;
a plurality of sensor circuits, each coupled to an associated one of the plurality of current sensors and configured to be removeably coupled to the communication bus, wherein each one of the plurality of sensor circuits is configured to convert the signal from the associated one of the plurality of current sensors to a digital measurement signal and provide the digital measurement signal to the communication bus; and
a controller configured to be coupled to the communication bus and configured to receive the digital measurement signal from each sensor circuit over the communication bus and transmit data related to the digital measurement signal from each sensor circuit to an external client.
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Accused Products
Abstract
According to one aspect, embodiments of the invention provide a system for monitoring a plurality of circuit branches, the system comprising a plurality of current sensors, each configured to be coupled to at least one of the plurality of circuit branches and to produce a signal having a level related to a current level of the one of the plurality of circuit branches, a communications bus, a plurality of sensor circuits, wherein each one of the plurality of sensor circuits is configured to convert the signal from the associated one of the plurality of current sensors to a digital measurement signal and provide the digital measurement signal to the communication bus, and a controller configured to receive the digital measurement signal from each sensor circuit over the communication bus and transmit data related to the digital measurement signal from each sensor circuit to an external client.
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Citations
20 Claims
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1. A system for monitoring a plurality of circuit branches coupled to an input line within a load center, the system comprising:
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a plurality of current sensors, each configured to be removeably coupled to at least one of the plurality of circuit branches and to produce a signal having a level related to a current level of the one of the plurality of circuit branches; a communications bus; a plurality of sensor circuits, each coupled to an associated one of the plurality of current sensors and configured to be removeably coupled to the communication bus, wherein each one of the plurality of sensor circuits is configured to convert the signal from the associated one of the plurality of current sensors to a digital measurement signal and provide the digital measurement signal to the communication bus; and a controller configured to be coupled to the communication bus and configured to receive the digital measurement signal from each sensor circuit over the communication bus and transmit data related to the digital measurement signal from each sensor circuit to an external client. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 19)
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10. A method for monitoring a plurality of circuit branches coupled to a power line within a load center, the method comprising:
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removeably coupling a current transformer to each one of the plurality of circuit branches; removeably coupling a plurality of sensor circuits to a communication bus, wherein each of the sensor circuits is coupled to one of the current transformers; coupling a concentrator to the communication bus; generating, in each current transformer, a reference signal having a level related to a current level of one of the plurality of circuit branches; converting, with each of the plurality of sensor circuits, the reference signal from a corresponding current transformer to a digital measurement signal and providing the digital measurement signal to the communication bus; receiving, with the concentrator, the digital measurement signal from each sensor circuit over the communication bus; and transmitting data related to the digital measurement signal from each sensor circuit to an external client. - View Dependent Claims (11, 12, 13, 14, 15)
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16. A system for monitoring a plurality of circuit branches coupled to an input line within a load center, the system comprising:
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a plurality of current transformers, each configured to be removeably coupled to one of the plurality of circuit branches and to produce a signal having a level related to a current level of the one of the plurality of circuit branches; a bus; a plurality of sensor circuits, each coupled to an associated one of the plurality of current transformers, and configured to be removeably coupled to the bus, and to convert the signal from the associated one of the plurality of current transformers to a digital measurement signal; a concentrator configured to receive the digital measurement signals and transmit data related to the digital measurement signals to an external client; and means for providing the digital measurement signals from the plurality of sensor circuits to the concentrator over the bus. - View Dependent Claims (17, 18, 20)
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Specification