Onboard EC window controllers are described. The controllers are configured in close proximity to the EC window, for example, within the IGU. The controller may be part of a window assembly, which includes an IGU having one or more EC panes, and thus does not have to be matched with the EC window, a
Onboard EC window controllers are described. The controllers are configured in close proximity to the EC window, for example, within the IGU. The controller may be part of a window assembly, which includes an IGU having one or more EC panes, and thus does not have to be matched with the EC window, and installed, in the field. The window controllers described herein have a number of advantages because they are matched to the IGU containing one or more EC devices and their proximity to the EC panes of the window overcomes a number of problems associated with conventional controller configurations.
대표청구항▼
1. A window assembly comprising: at least one electrochromic (EC) pane and at least one additional pane;a spacer separating the at least one EC pane from the at least one additional pane, wherein the spacer is provided proximate perimeter regions of the at least one EC pane and the at least one addi
1. A window assembly comprising: at least one electrochromic (EC) pane and at least one additional pane;a spacer separating the at least one EC pane from the at least one additional pane, wherein the spacer is provided proximate perimeter regions of the at least one EC pane and the at least one additional pane, where the at least one EC pane and additional pane, together with the interior surfaces of the spacer, form an interior space therebetween;a primary seal between the spacer and the at least one EC pane, and between the spacer and the at least one additional pane,a secondary seal zone around the outer perimeter of the spacer, between the at least one EC pane and the at least one additional pane; anda window controller configured to control said at least one EC pane of the window assembly, wherein the window controller is positioned at least partially in the secondary seal zone. 2. The window assembly of claim 1, wherein the window controller does not extend beyond the at least one EC pane or the at least one additional pane. 3. The window assembly of claim 1, further comprising a secondary sealing material applied in the secondary seal zone. 4. The window assembly of claim 1, wherein the window controller comprises: a power converter configured to convert a low voltage to the power requirements of said at least one EC pane;a communication circuit for receiving and sending commands to and from a remote controller, and receiving and sending input to and from a microcontroller; the microcontroller comprising a logic for controlling said at least one EC pane based at least in part by input received from one or more sensors; anda driver circuit for powering said at least one EC device. 5. The window assembly of claim 4, wherein the window controller comprises wireless communication and/or wireless powering functions. 6. The window assembly of claim 4, wherein the window controller further comprises a redundant driver circuit. 7. The window assembly of claim 4, wherein at least one of said one or more sensors are part of the window controller. 8. The window assembly of claim 4, wherein the window controller further comprises an RFID tag and/or memory. 9. The window assembly of claim 8, wherein said RFID tag and/or memory is programmed with at least one of the following data: warranty information, installation information, vendor information, batch/inventory information, EC device/IGU characteristics, an EC device cycle count, and customer information. 10. The window assembly of claim 9, wherein the EC device/IGU characteristics comprise one or more characteristics from the group consisting of: window voltage, window current, EC coating temperature, glass visible transmission, % tint command, digital input states, and controller status. 11. The window assembly of claim 4, wherein the window assembly comprises two EC panes and wherein the logic is configured to independently control each of the two EC panes. 12. The window assembly of claim 11, wherein each of the two EC panes comprises an EC device that is all solid state and inorganic. 13. The window assembly of claim 1, wherein the window controller is positioned entirely within the secondary seal zone. 14. The window assembly of claim 1, wherein the window controller resides along two or more edges of the window assembly. 15. The window assembly of claim 13, wherein the window controller resides along two or more edges of the window assembly. 16. The window assembly of claim 1, wherein the window controller having dimensions of 6 inches by 1 inch by 1 inch, or less on each dimension. 17. The window assembly of claim 1, wherein the window controller having dimensions of 5 inches by ¾ inches by ⅝ inches, or less on each dimension. 18. The window assembly of claim 13, wherein the window controller comprises an exposed power socket for plugging in a low voltage power source. 19. The window assembly of claim 18, wherein the window controller communicates wirelessly and/or through the low voltage power source. 20. The window assembly of claim 18, wherein the low voltage power source is a 24v power source.
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