# US 2020/0288553 A1 · Simplified electronic protection circuit for LED luminaires for horticultural applications > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2020/0288553 A1 - Document ID: US20200288553A1 - Status: Published application - Kind: A1 - Application number: 16/881,683 - Filed: 2020-05-22 - Published: 2020-09-10 - Earliest claimed: 2020-05-22 - Inventors: Robert W. McCullough - Web page: https://patentgrep.com/patent/US20200288553A1 ## CPC - H05B 45/56: involving measures to prevent abnormal temperature of the LEDs - H05B 45/18: using temperature feedback - H05B 45/345: Current stabilisation; Maintaining constant current - H05B 45/54: in a series array of LEDs - H05B 47/28: Circuit arrangements for protecting against abnormal temperature - Y02B 20/30: Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED] - H05B: ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL - Y02B: CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS ## Abstract Electrical current conditioning systems may include simplified electronic protection circuits for LED lights used for growing plants. A system includes an LED support structure with a channel extending therethrough, and an LED array module carried on a surface of the LED support structure. The LED array module includes an LED array and a current conditioning circuit which adjusts the amount of current flowing through the LED array in response to a temperature indication. The current conditioning circuit includes a current sensing circuit which adjusts the amount of current flowing through the LED array in response to a voltage indication. ## Claims ### Claim 1 A current conditioning system (100), comprising: an LED support structure (261) with a channel (264) extending therethrough; and a first LED array module (115) carried on a first surface (108) of the LED support structure (261), wherein the first LED array module (115) includes a first LED array (101) and a first current conditioning circuit (110) which adjusts the amount of current flowing through the first LED array (101) in response to a first temperature indication. ### Claim 2 (depends on 1) The system of claim 1, wherein the first temperature indication is adjustable in response to adjusting the flow of a material through the channel (264). ### Claim 3 (depends on 1) The system of claim 1, wherein the first current conditioning circuit (110) includes a first thermal sensing circuit (105) and a first current sensing circuit (106). ### Claim 4 (depends on 3) The system of claim 3, wherein the first thermal sensing circuit (105) adjusts the amount of current flowing through the first LED array (101) in response to the first temperature indication. ### Claim 5 (depends on 3) The system of claim 3, wherein the first current sensing circuit (106) adjusts the amount of current flowing through the first LED array (101) in response to a first voltage indication. ### Claim 6 (depends on 3) The system of claim 3, wherein the first thermal sensing circuit (105) and first current sensing circuit (106) adjust the amount of current flowing through the first LED array (101). ### Claim 7 A current conditioning system (100), comprising: a LED support structure (261) with a channel (264) extending therethrough; a first LED array module (115) carried on a first surface (108) of the LED support structure (261), wherein the first LED array module (115) includes a first LED array (101) and a first current conditioning circuit (110) which adjusts the amount of current flowing through the first LED array (101) in response to a first temperature indication; and a second LED array module (117) carried on a second surface (109) of the LED support structure (261), wherein the second LED array module (117) includes a second LED array (141) and a second current conditioning circuit (110) which adjusts the amount of current flowing through the second LED array (141) in response to a second temperature indication. ### Claim 8 (depends on 7) The system of claim 7, wherein the first and second temperature indications are adjustable in response to adjusting the flow of a material through the channel (264). ### Claim 9 (depends on 8) The system of claim 8, wherein the first current conditioning circuit (110) includes a first thermal sensing circuit (105) and a first current sensing circuit (106). ### Claim 10 (depends on 9) The system of claim 9, wherein the first thermal sensing circuit (105) adjusts the amount of current flowing through the first LED array (101) in response to the first temperature indication. ### Claim 11 (depends on 8) The system of claim 8, wherein the second current conditioning circuit (111) includes a second thermal sensing circuit (105) and a second current sensing circuit (106). ### Claim 12 (depends on 11) The system of claim 11, wherein the second thermal sensing circuit (105) adjusts the amount of current flowing through the second LED array (141) in response to the second temperature indication. ### Claim 13 (depends on 7) The system of claim 7, wherein the first current sensing circuit (106) adjusts the amount of current flowing through the first LED array (101) in response to a first voltage indication. ### Claim 14 (depends on 7) The system of claim 7, wherein the first current sensing circuit (106) adjusts the amount of current flowing through the first LED array (101) in response to a first voltage indication. ### Claim 15 A current conditioning system (100), comprising: an LED support structure (261) with a channel (264) extending therethrough; and an LED array module (115) carried on a surface (108) of the LED support structure (261), wherein the LED array module (115) includes an LED array (101) and a current conditioning circuit (110) which adjusts the amount of current flowing through the LED array (101) in response to a temperature indication. ### Claim 16 (depends on 15) The system of claim 15, wherein the temperature indication is adjustable in response to adjusting the flow of a material through the channel (264). ### Claim 17 (depends on 15) The system of claim 15, wherein the current conditioning circuit (110) adjusts the amount of current flowing through the LED array (101) in response to a voltage indication. ### Claim 18 (depends on 15) The system of claim 15, wherein the current conditioning circuit (110) includes a thermal sensing circuit (105) and a current sensing circuit (106). ### Claim 19 (depends on 18) The system of claim 18, wherein the first thermal sensing circuit (105) and first current sensing circuit (106) adjust the amount of current flowing through the first LED array (101). ### Claim 20 (depends on 18) The system of claim 18, wherein the current conditioning circuit (110) includes a switching circuit (103), the thermal sensing circuit (105) and current sensing circuit (106) adjusting the amount of current flowing through the switching circuit (103).