US Patent No. 10,602,578

HORTICULTURE FACILITIES WITH CENTRALIZED POWER SUPPLIES FOR POWERING LED LUMINAIRES VIA POWER TRANSFER SWITCHES


Patent No. 10,602,578
Issue Date March 24, 2020
Title Horticulture Facilities With Centralized Power Supplies For Powering Led Luminaires Via Power Transfer Switches
Inventorship Nathaniel Franco Neri, Mandaluyong (PH)
John Faustino Boqueo Begino, III, Pasig (PH)
Christopher Alan Jones, Queen Creek, AZ (US)
An Kim Nguyen, Saint Brea, CA (US)
Assignee Astec International Limited, Kwun Tong, Kowloon (HK)

Claim of US Patent No. 10,602,578

1. An indoor horticulture facility utilizing a plurality of LED luminaires for growing plants in one or more grow rooms, the indoor horticulture facility comprising:a first set of LED luminaires of the plurality of LED luminaires disposed in a grow room in the indoor horticulture facility, the first set of LED luminaires configured to provide light to at least one plant in the grow room;
a second set of LED luminaires of the plurality of LED luminaires disposed in another grow room in the indoor horticulture facility, the set of second LED luminaires configured to provide light to at least one plant in the other grow room;
a centralized switched mode power supply including a plurality of AC/DC PFC power converters each having one or more power switches, a plurality of DC/DC power converters coupled to the plurality of AC/DC PFC power converters, the plurality of DC/DC power converters each having one or more power switches and an output, and a control circuit for controlling the power switches of the AC/DC PFC power converters and the power switches of the DC/DC power converters; and
a plurality of power transfer switches corresponding to the DC/DC power converters, the plurality of power transfer switches including a first power transfer switch coupled to the output of one respective DC/DC power converter of the DC/DC power converters, the first power transfer switch configured to switch between a plurality of positions including a first position for coupling the output of the respective DC/DC power converter to the first set of LED luminaires disposed in the grow room, and a second position for coupling the output of the respective DC/DC power converter to the second set of LED luminaires disposed in the other grow room.