Illumination system adaptable to a cooling appliance
The present invention is directed to an illumination system adaptable to a cooling appliance. The illumination system includes a lighting module, a mode switch and a controller. Specifically, the lighting module includes at least one lighting device; the mode switch is used to determine a power mode for the lighting module; and the controller provides corresponding power to the lighting device according to the power mode. In one embodiment, the illumination system further includes a heating module having a heater for providing heat to the controller. In another embodiment, the lighting device is disposed near the controller.
1. An illumination system adaptable to a cooling appliance, comprising:
a lighting module including at least one lighting device;
a mode switch configured to determine a power mode for the lighting module;
a controller configured to provide corresponding power to the lighting device according to the power mode;
a heating module having a heater for providing heat to the controller; and
a first thermal sensor disposed near the lighting device and configured to generate a first sense signal for use by the controller, wherein the controller comprises a comparator configured to compare the first sense signal with at least one predetermined first threshold high temperature in order to prevent a temperature of the lighting device from being exceeding the predetermined threshold.
2. The system of claim 1 , wherein the lighting device is one of following: a light-emitting diode (LED) and an organic light-emitting diode (OLED).
3. The system of claim 1 , wherein the mode switch is a normally-closed switch.
4. The system of claim 1 , wherein one terminal of the mode switch receives the power, and another terminal of the mode switch transfers the power to the controller.
5. The system of claim 1 , wherein the controller comprises a driving circuit configured to generate the corresponding power to the lighting device.
6. The system of claim 1 , wherein the heating module further comprises a second thermal sensor disposed near the controller and configured to generate a second sense signal.
7. The system of claim 6 , wherein the controller comprises a comparator configured to compare the second sense signal with at least one predetermined second threshold low temperature in order to prevent a temperature of the controller from being too low.
8. The system of claim 6 , wherein the controller comprises a comparator configured to compare the second sense signal with at least one predetermined second threshold high temperature in order to prevent a temperature of the heater from being too high.
9. The system of claim 1 , further comprising an uninterruptible power supply configured to provide the power, via the mode switch, to the controller, the lighting module and/or the heating module, when a supply interruption of the power is detected.
10. An illumination system adaptable to a cooling appliance, comprising:
a lighting module including at least one lighting device;
a mode switch configured to determine a power mode for the lighting module;
a controller configured to provide corresponding power to the lighting device according to the power mode, wherein the lighting device is disposed near the controller; and
a first thermal sensor disposed near the lighting device and configured to generate a first sense signal for use by the controller, wherein the controller comprises a comparator configured to compare the first sense signal with at least one predetermined first threshold high temperature in order to prevent a temperature of the lighting device from being exceeding the predetermined threshold.
11. The system of claim 10 , wherein the lighting device is one of following: a light-emitting diode (LED) and an organic light-emitting diode (OLED).
12. The system of claim 10 , wherein the mode switch is a normally-closed switch.
13. The system of claim 10 , wherein one terminal of the mode switch receives the power, and another terminal of the mode switch transfers the power to the controller.
14. The system of claim 10 , wherein the controller comprises a driving circuit configured to generate the corresponding power to the lighting device.
15. The system of claim 10 , wherein the controller comprises a comparator configured to compare the first sense signal with at least one predetermined first threshold low temperature in order to prevent a temperature of the controller from being too low.
16. The system of claim 10 , further comprising an uninterruptible power supply configured to provide the power, via the mode switch, to the controller and/or the lighting module, when a supply interruption of the power is detected.