System and architecture for controlling lighting through a low-voltage bus
First Claim
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1. A decentralized low-voltage bus for managing a load circuit with lights, the decentralized low-voltage bus comprising:
- a) a hub comprising connection ports for coupling to low-voltage periphery devices and for distributing power to the low voltage periphery devices, wherein low voltage periphery devices include a sensor and a control switch; and
b) means for changing a mode of operation of the sensor or the control switch wherein the lights are controlled by a plurality of control units in response to control signals from the sensor and the control switch that are transmitted over the low-voltage bus, wherein the control signals are transmitted and the power is distributed to the low voltage periphery devices according to a multiple signal protocol via cables with RJ45 interconnects for electrically coupling to the cables, wherein the multiple signal protocol includes quiet time control signals, mode control signals, occupancy signals, positive dimming control signals and negative dimming control signals.
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Abstract
A system and architecture for managing lighting through a seamless low-voltage bus network is disclosed. The system comprises a plurality of control units that serve as nodes for integrating devices, such as light fixtures, control switches and sensors into the bus. Each of the control units preferably includes a printed circuit board and node interconnects for assembling the low-voltage bus and for integrating the devices. Alternatively, the system comprises a central hub with a master printed circuit control board and a plurality of interconnects for assembling the bus and for integrating the devices.
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Citations
12 Claims
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1. A decentralized low-voltage bus for managing a load circuit with lights, the decentralized low-voltage bus comprising:
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a) a hub comprising connection ports for coupling to low-voltage periphery devices and for distributing power to the low voltage periphery devices, wherein low voltage periphery devices include a sensor and a control switch; and b) means for changing a mode of operation of the sensor or the control switch wherein the lights are controlled by a plurality of control units in response to control signals from the sensor and the control switch that are transmitted over the low-voltage bus, wherein the control signals are transmitted and the power is distributed to the low voltage periphery devices according to a multiple signal protocol via cables with RJ45 interconnects for electrically coupling to the cables, wherein the multiple signal protocol includes quiet time control signals, mode control signals, occupancy signals, positive dimming control signals and negative dimming control signals. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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- 9. A light control hub configured to couple to a plurality of light fixtures through control units and to one or more low-voltage periphery devices, the light control hub is configured to control levels of light output from the plurality of light fixtures based on received control signals from the one or more low-voltage periphery devices, wherein the one or more low-voltage periphery devices include a motion sensor, wherein the control units and the motion sensor are connected to the light control hub and powered from cables with RJ45 interconnects that plug into the light control hub and wherein the control signals transmitted through the RJ45 interconnects and cables according to multiple wire protocol, wherein the multiple signal protocol includes quiet time control signals, mode control signals, occupancy signals, positive dimming control signals and negative dimming control signals.
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12. A canopy installation kit for controlling light fixtures, the kit comprising;
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a) a controller unit configured to generate control signals based on a condition detected from a plurality of sensors; b) a hub with a circuit configured to receive the control signals from the controller unit according to a multiple signal protocol that controls loads to light fixtures based on the control signals and synchronizes operation of each of the plurality of sensors, wherein the control signals include quiet time control signals, mode control signals, occupancy signals, positive dimming control signals and negative dimming control signals; c) interconnecting cables with RJ45 interconnects for coupling the controller unit to the hub, transmitting the control signal and powering each of the plurality of sensors; and d) means for changing a mode of operation of plurality of sensors, wherein the control unit is configured to control lights in response to the control signals from the plurality of sensors that are transmitted over the low-voltage bus.
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Specification