LED light with cooling system
First Claim
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1. A Light Emitting Diode (LED) light fixture equipped with a cooling system, comprising:
- a light fixture housing;
at least one LED lighting module within the light fixture housing, wherein the at least one LED lighting module comprises a heat sink, a Printed Circuit Board (PCB), LEDs affixed to the PCB, and a lens covering the LEDs;
wherein the light fixture housing comprises an opening for the lens of the at least one LED lighting module;
at least one driver within the light fixture housing and electronically coupled with the at least one LED lighting module;
a power input interface electronically coupled with the driver;
a cooling system comprising a watertight liquid cooling manifold within the light fixture housing, wherein the liquid cooling manifold comprises;
a liquid intake fitting and a liquid expulsion fitting;
a first transport conduit with a proximal end and a distal end, wherein the liquid intake fitting is positioned at the proximal end of the first transport conduita second transport conduit with a proximal end and a distal end, wherein the second transport conduit is aligned parallel with the first transport conduit such that the proximal end of the second transport conduit is at a same side of the liquid cooling manifold as the proximal end of the first transport conduit, and the distal end of the second transport conduit is at a same side of the liquid cooling manifold as the distal end of the first transport conduit, and wherein the liquid expulsion fitting is positioned at the distal end of the second transport conduit; and
two or more liquid cooling conduits connecting the first and second transport conduits so that liquid entering the manifold at the liquid intake fitting travels through the two or more liquid cooling conduits to the liquid expulsion fitting, and so that liquid entering the manifold at the liquid intake fitting travels a same distance to the liquid expulsion fitting via any of the two or more liquid cooling conduits;
wherein the light fixture housing comprises an opening for the liquid intake fitting, and an opening for the liquid expulsion fitting; and
wherein the liquid cooling manifold is arranged so that when the liquid intake and liquid expulsion fittings are positioned at corresponding openings in the light fixture housing, the at least one liquid cooling conduit is in thermal communication with the heat sink of the at least one LED lighting module.
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Abstract
Technologies related to light fixtures, cooling systems, electronic controllers for light fixtures, methods of manufacture, and methods for operating light fixtures are described herein. Example light fixtures may include Light Emitting Diode (LED) light fixtures equipped with cooling systems. Example cooling systems may comprise liquid cooling systems, duct cooling systems, fan cooling systems, and combinations thereof. Example light fixtures may furthermore include switches and a local controller for controlling the light fixture.
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Citations
22 Claims
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1. A Light Emitting Diode (LED) light fixture equipped with a cooling system, comprising:
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a light fixture housing; at least one LED lighting module within the light fixture housing, wherein the at least one LED lighting module comprises a heat sink, a Printed Circuit Board (PCB), LEDs affixed to the PCB, and a lens covering the LEDs; wherein the light fixture housing comprises an opening for the lens of the at least one LED lighting module; at least one driver within the light fixture housing and electronically coupled with the at least one LED lighting module; a power input interface electronically coupled with the driver; a cooling system comprising a watertight liquid cooling manifold within the light fixture housing, wherein the liquid cooling manifold comprises; a liquid intake fitting and a liquid expulsion fitting; a first transport conduit with a proximal end and a distal end, wherein the liquid intake fitting is positioned at the proximal end of the first transport conduit a second transport conduit with a proximal end and a distal end, wherein the second transport conduit is aligned parallel with the first transport conduit such that the proximal end of the second transport conduit is at a same side of the liquid cooling manifold as the proximal end of the first transport conduit, and the distal end of the second transport conduit is at a same side of the liquid cooling manifold as the distal end of the first transport conduit, and wherein the liquid expulsion fitting is positioned at the distal end of the second transport conduit; and two or more liquid cooling conduits connecting the first and second transport conduits so that liquid entering the manifold at the liquid intake fitting travels through the two or more liquid cooling conduits to the liquid expulsion fitting, and so that liquid entering the manifold at the liquid intake fitting travels a same distance to the liquid expulsion fitting via any of the two or more liquid cooling conduits; wherein the light fixture housing comprises an opening for the liquid intake fitting, and an opening for the liquid expulsion fitting; and wherein the liquid cooling manifold is arranged so that when the liquid intake and liquid expulsion fittings are positioned at corresponding openings in the light fixture housing, the at least one liquid cooling conduit is in thermal communication with the heat sink of the at least one LED lighting module. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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15. A Light Emitting Diode (LED) light fixture equipped with a cooling system, comprising:
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a light fixture housing; at least one LED lighting module within the light fixture housing, wherein the at least one LED lighting module comprises a heat sink, a Printed Circuit Board (PCB), LEDs affixed to the PCB, and a lens covering the LEDs; wherein the light fixture housing comprises an opening for the lens of the at least one LED lighting module; at least one driver within the light fixture housing and electronically coupled with the at least one LED lighting module; a power input interface electronically coupled with the driver; a cooling system comprising a watertight liquid cooling manifold within the light fixture housing, wherein the liquid cooling manifold comprises; at least one liquid cooling conduit, a liquid intake fitting, and a liquid expulsion fitting; wherein the light fixture housing comprises an opening for the liquid intake fitting, and an opening for the liquid expulsion fitting; and wherein the liquid cooling manifold is arranged so that when the liquid intake and liquid expulsion fittings are positioned at corresponding openings in the light fixture housing, the at least one liquid cooling conduit is in thermal communication with the heat sink of the at least one LED lighting module; and a plurality of switches, comprising; an on/off switch for turning the LED light fixture on and off; a fan on/off switch for turning one or more fans within the LED light fixture on and off; a power output switch for switching the LED light fixture between a low power state and a high power state; a first frequency composition switch for switching the LED light fixture between a white light mode and a grow light mode; and a second frequency composition switch for switching the LED light fixture between a blue biased vegetative growth mode and a red biased flowering mode.
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16. A Light Emitting Diode (LED) light fixture equipped with a cooling system, comprising:
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a light fixture housing; at least one LED lighting module within the light fixture housing, wherein the at least one LED lighting module comprises a heat sink, a Printed Circuit Board (PCB), LEDs affixed to the PCB, and a lens covering the LEDs; wherein the light fixture housing comprises an opening for the lens of the at least one LED lighting module; at least one driver within the light fixture housing and electronically coupled with the at least one LED lighting module; a power input interface electronically coupled with the driver; a cooling system comprising a watertight liquid cooling manifold within the light fixture housing, wherein the liquid cooling manifold comprises; at least one liquid cooling conduit, a liquid intake fitting, and a liquid expulsion fitting; wherein the light fixture housing comprises an opening for the liquid intake fitting, and an opening for the liquid expulsion fitting; and wherein the liquid cooling manifold is arranged so that when the liquid intake and liquid expulsion fittings are positioned at corresponding openings in the light fixture housing, the at least one liquid cooling conduit is in thermal communication with the heat sink of the at least one LED lighting module; and a local controller, wherein; the local controller is electronically coupled with the at least one driver; the local controller is electronically coupled with at least one communications interface adapted to receive at least one communications cable; the local controller is adapted to control the LED light fixture responsive to instructions received from an external controller via the at least one communications cable; and the local controller is adapted to provide status information for the LED light fixture to the external controller via the at least one communications cable. - View Dependent Claims (17, 18, 19, 20)
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21. A Light Emitting Diode (LED) light fixture equipped with a cooling system, comprising:
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a light fixture housing; at least one LED lighting module within the light fixture housing, wherein the at least one LED lighting module comprises a heat sink, a Printed Circuit Board (PCB), LEDs affixed to the PCB, and a lens covering the LEDs; wherein the light fixture housing comprises an opening for the lens of the at least one LED lighting module; at least one driver within the light fixture housing and electronically coupled with the at least one LED lighting module; a power input interface electronically coupled with the driver; a cooling system comprising two or more of; a watertight liquid cooling manifold within the light fixture housing, wherein the liquid cooling manifold comprises a liquid intake fitting positioned at a first side of the light fixture housing, and a liquid expulsion fitting positioned at a side of the light fixture housing which is opposite the first side; ventilation duct attachments extending from opposite sides of the light fixture housing, wherein the ventilation duct attachments couple with a duct cooling system comprising a multi-light duct cooling circuit, and wherein the ventilation duct attachments attach to the light fixture housing in place of at least one removable side panel of the light fixture housing;
ora plurality of fans within the light fixture housing and at least one internal divider to separate air flow from each of the plurality of fans into a different respective channel within the light fixture housing, wherein the light fixture housing comprises a respective opening over each of the plurality of fans, wherein each of the plurality of fans is positioned substantially above a respective heat sink of at least one LED lighting module, and wherein the light fixture housing comprises one or more openings along at least one side of the light fixture housing, such that each of the plurality of fans drives air flow from its respective opening, through its respective channel, across its respective heat sink, and out the one or more openings along at least one side of the light fixture housing.
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22. A Light Emitting Diode (LED) light fixture equipped with a cooling system, comprising:
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a light fixture housing; at least one LED lighting module within the light fixture housing, wherein the at least one LED lighting module comprises a heat sink, a Printed Circuit Board (PCB), LEDs affixed to the PCB, and a lens covering the LEDs; wherein the light fixture housing comprises an opening for the lens of the at least one LED lighting module; at least one driver within the light fixture housing and electronically coupled with the at least one LED lighting module; a power input interface electronically coupled with the driver; the cooling system comprising ventilation duct attachments extending from opposite sides of the light fixture housing, wherein the ventilation duct attachments couple with a duct cooling system comprising a multi-light duct cooling circuit, and wherein the ventilation duct attachments couple with the light fixture housing in a substantially horizontal orientation as well as in a substantially vertical orientation; and a plurality of fans within the light fixture housing and at least one internal divider to separate air flow from each of the plurality of fans into a different respective channel within the light fixture housing, wherein the light fixture housing comprises a respective opening over each of the plurality of fans, wherein each of the plurality of fans is positioned substantially above a respective heat sink of at least one LED lighting module, and wherein the light fixture housing comprises one or more openings along at least one side of the light fixture housing, such that each of the plurality of fans drives air flow from its respective opening, through its respective channel, across its respective heat sink, and out the one or more openings along at least one side of the light fixture housing.
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Specification