Watt trimming controller for a heated glass temperature-controlled storage device
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
A47F-003/04
H05B-001/02
H05B-003/84
F25D-021/04
출원번호
US-0737203
(2015-06-11)
등록번호
US-10080447
(2018-09-25)
발명자
/ 주소
Holst, Kathleen Bridget
Artwohl, Paul J.
출원인 / 주소
Anthony, Inc.
대리인 / 주소
Foley & Lardner LLP
인용정보
피인용 횟수 :
0인용 특허 :
6
초록▼
A controller for trimming power used by a heated glass temperature-controlled storage device comprising a frame and a door, the door comprising a door rail and a glass pane, wherein the glass pane includes a glass heater circuit, the controller comprising a variable impedance; a first impedance; a l
A controller for trimming power used by a heated glass temperature-controlled storage device comprising a frame and a door, the door comprising a door rail and a glass pane, wherein the glass pane includes a glass heater circuit, the controller comprising a variable impedance; a first impedance; a low pass filter; a diode for alternating current (DIAC); and a triode for alternating current (TRIAC), wherein the controller is configured to adjust voltage from the AC power input to a first voltage; filter the first voltage; generate a gate current when the DIAC is on; generate a glass current when the TRIAC is on; and provide the glass current to the glass heater circuit when the TRIAC is on, wherein the variable impedance is adjusted so power used by the glass heater circuit is below a first predetermined value.
대표청구항▼
1. A heated glass temperature-controlled storage device, comprising: a frame;a door including a door rail and a glass pane, the glass pane including a glass heater circuit, the glass heater circuit including a first end and a second end, the second end coupled to a power return line; anda controller
1. A heated glass temperature-controlled storage device, comprising: a frame;a door including a door rail and a glass pane, the glass pane including a glass heater circuit, the glass heater circuit including a first end and a second end, the second end coupled to a power return line; anda controller, comprising: a variable impedance;a first impedance;a low pass filter;a diode for alternating current (DIAC); anda triode for alternating current (TRIAC), whereinthe variable impedance is coupled in parallel to the first impedance;the variable impedance is coupled at a first terminal to an AC power input;the variable impedance is coupled at a second terminal to an input of the low pass filter;the DIAC is coupled at a first DIAC terminal to an output of the low pass filter;the DIAC is coupled at a second DIAC terminal to a gate of the TRIAC;the TRIAC is coupled at a first TRIAC terminal to the AC power input; andthe TRIAC is coupled at a second TRIAC terminal to the first end of the glass heater circuit,wherein the controller is configured toadjust, via the variable impedance and first impedance, voltage from the AC power input to a first voltage;filter, via the low pass filter, the first voltage;generate, via the DIAC, a gate current when the DIAC is on, wherein the DIAC is on when the filtered first voltage received from the output of the low pass filter and applied to the first DIAC terminal causes the DIAC to conduct;generate, via the TRIAC, a glass current when the TRIAC is on, wherein the TRIAC is on when the gate current applied to the gate of the TRIAC causes the TRIAC to conduct, and wherein the glass current is a proportion of current of the AC power input; andprovide the glass current to the first end of the glass heater circuit when the TRIAC is on,wherein the variable impedance is adjusted so power corresponding to the glass current provided to the first end of the glass heater circuit is below a first predetermined value. 2. The heated glass temperature-controlled storage device of claim 1, wherein the variable impedance is a potentiometer. 3. The heated glass temperature-controlled storage device of claim 1, wherein the variable impedance is a toggle switch. 4. The heated glass temperature-controlled storage device of claim 1, wherein the low pass filter is a second-order passive low pass filter. 5. The heated glass temperature-controlled storage device of claim 1, further comprising a heatsink coupled to the controller,wherein the heatsink is directed to transfer heat into the door rail of the storage device. 6. The heated glass temperature-controlled storage device of claim 1, further comprising a heatsink coupled to the controller,wherein the heatsink is directed to transfer heat into the frame of the storage device. 7. A system, comprising a storage device comprising a frame and a door, the door comprising a door rail and a glass pane, wherein the glass pane includes a glass heater circuit including a first end and a second end, the second end of the glass heater circuit coupled to a power return line; anda controller comprising a first controller terminal and a second controller terminal, whereinthe controller is coupled at the first controller terminal to an AC power input;the controller is coupled at the second controller terminal to the first end of the glass heater circuit; andwherein the controller is configured toadjust, via a variable impedance coupled in parallel to a first impedance, voltage from the AC power input to a first voltage;filter, via a low pass filter, the first voltage;generate, via a DIAC, a gate current when the DIAC is on, wherein the DIAC is on when the filtered first voltage received from the output of the low pass filter and applied to the first DIAC terminal causes the DIAC to conduct;generate, via a TRIAC, a glass current when the TRIAC is on, wherein the TRIAC is on when the gate current applied to a gate of the TRIAC causes the TRIAC to conduct, and wherein the glass current is a proportion of current of the AC power input; andprovide the glass current to the first end of the glass heater circuit when the TRIAC is on,wherein the variable impedance is adjusted so power corresponding to the glass current provided to the first end of the glass heater circuit is below a first predetermined value. 8. The system of claim 7, wherein the variable impedance is a potentiometer. 9. The system of claim 7, wherein the variable impedance is a toggle switch. 10. The system of claim 7, wherein the low pass filter is a second-order passive low pass filter. 11. The system of claim 7, further comprising a heatsink coupled to the controller,wherein the heatsink is directed to transfer heat into the door rail of the storage device. 12. The system of claim 7, further comprising a heatsink coupled to the controller,wherein the heatsink is directed to transfer heat into the frame of the storage device. 13. The system of claim 8, wherein the door of the storage device further comprises a door heater circuit; andthe glass heater circuit is coupled to the power return line via the door heater circuit. 14. The system of claim 8, wherein the door of the storage device further comprises a door heater circuit; andthe glass heater circuit is coupled, in parallel with the door heater circuit, to the power return line. 15. A method for trimming power of a heated glass temperature-controlled storage device, comprising adjusting, via a variable impedance coupled in parallel to a first impedance and coupled at a first terminal to an AC power input, voltage from the AC power input to a first voltage;filtering, via a low pass filter coupled to a second terminal of the variable impedance, the first voltage;generating, via a DIAC coupled to an output of the low pass filter, a gate current when the DIAC is on, wherein the DIAC is on when the filtered first voltage received from an the output of the low pass filter and applied to a first DIAC terminal causes the DIAC to conduct;generating, via a TRIAC coupled at a first TRIAC terminal to the AC power input, coupled at a second TRIAC terminal to a first end of a glass heater circuit, and including a gate coupled to a second DIAC terminal of the DIAC, a glass current when the TRIAC is on, wherein the TRIAC is on when the gate current applied to the gate of the TRIAC causes the TRIAC to conduct, and wherein the glass current is a proportion of current of the AC power input; andproviding the glass current to the first end of a glass heater circuit of the heat glass temperature-controlled storage device including a frame and a door, the door including a rail and a glass pane including the glass heater circuit, the glass heater circuit including a second end coupled to a power return line, the glass current provided when the TRIAC is on,wherein the variable impedance is adjusted so power corresponding to the glass current provided to the first end of the glass heater circuit is below a first predetermined value. 16. The method of claim 15, wherein the variable impedance is a potentiometer. 17. The method of claim 15, wherein the variable impedance is a toggle switch. 18. The method of claim 15, wherein the low pass filter is a second-order low pass filter. 19. The method of claim 15, further comprising directing, via a heatsink, heat into a door rail of the storage device. 20. The method of claim 15, further comprising directing, via a heatsink, heat into a frame of the storage device.
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이 특허에 인용된 특허 (6)
Millett Fred A. ; Teder Rein S. ; Gerhardinger Peter F., Condensation control system for heated insulating glass units.
Di Trapani Agostino (Saint-Vaast BEX), Heated glazing panel and a circuit for controlling the heat output as a function of the resistance of the heater element.
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