Lighting system and signal converting device therefor
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
H05B-037/02
H05B-033/08
출원번호
US-0460313
(2014-08-14)
등록번호
US-9345114
(2016-05-17)
우선권정보
KR-10-2013-0138542 (2013-11-14)
발명자
/ 주소
Kim, Chang Seob
Kim, Min Su
출원인 / 주소
SAMSUNG ELECTRONICS CO., LTD.
대리인 / 주소
McDermott Will & Emery LLP
인용정보
피인용 횟수 :
2인용 특허 :
42
초록▼
A lighting system includes a digital addressable lighting interface (DALI) master controller, a lighting driver, and a signal converter. The DALI master controller is connected to a management server. The lighting driver operates a lighting device including a light emitting diode (LED). The signal c
A lighting system includes a digital addressable lighting interface (DALI) master controller, a lighting driver, and a signal converter. The DALI master controller is connected to a management server. The lighting driver operates a lighting device including a light emitting diode (LED). The signal converter is connected to the DALI master controller by a DALI bus operating according to a DALI communication protocol, and is communicatively connected to the lighting driver via a wireless communication connection operating according to a wireless communication protocol. The signal converter inter-converts a signal transmitted and received from the DALI master controller according to the DALI communication protocol and a signal transmitted to and received from the lighting driver according to the wireless communication protocol so as to enable communication between the lighting driver and the DALI master controller.
대표청구항▼
1. A lighting system, comprising: a digital addressable lighting interface (DALI) master controller connected to a management server;a lighting driver configured to operate a lighting device including a light emitting diode (LED); anda signal converter connected to the DALI master controller by a DA
1. A lighting system, comprising: a digital addressable lighting interface (DALI) master controller connected to a management server;a lighting driver configured to operate a lighting device including a light emitting diode (LED); anda signal converter connected to the DALI master controller by a DALI bus operating according to a DALI communication protocol, and communicatively connected to the lighting driver via a wireless communication connection operating according to a wireless communication protocol,wherein the signal converter inter-converts a signal transmitted to and received from the DALI master controller according to the DALI communication protocol and a signal transmitted to and received from the lighting driver according to the wireless communication protocol so as to enable communication between the lighting driver and the DALI master controller. 2. The lighting system of claim 1, wherein the DALI master controller generates a first signal including information transmitted from the management server and conforming to the DALI communication protocol, and the signal converter receives the first signal conforming to the DALI communication protocol, converts the first signal into a second signal conforming to the wireless communication protocol, and transmits the converted second signal to the lighting driver. 3. The lighting system of claim 1, wherein the lighting driver generates a second signal including operation information of the lighting device and conforming to the wireless communication protocol, and the signal converter receives the second signal conforming to the wireless communication protocol, converts the second signal into a first signal conforming to the DALI communication protocol, and transmits the converted first signal to the DALI master controller. 4. The lighting system of claim 1, wherein the lighting driver comprises a plurality of lighting drivers, the lighting device comprises a plurality of lighting devices, and each of the plurality of lighting drivers controls operation of at least one of the plurality of lighting devices. 5. The lighting system of claim 4, wherein at least one of the plurality of lighting drivers is integrated in a single module with the signal converter. 6. The lighting system of claim 5, wherein the at least one lighting driver integrated in a single module with the signal converter is communicatively connected to at least one other lighting driver and configured to perform communication according to the wireless communication protocol with the at least one other lighting driver. 7. The lighting system of claim 4, wherein the signal converter communicates independently with each of the plurality of lighting drivers by using unique addresses allotted to each of the plurality of lighting drivers. 8. The lighting system of claim 1, wherein the lighting driver comprises: a wireless communications module configured to receive from the signal converter a signal conforming to the wireless communication protocol; anddriving circuitry configured to control operation of the lighting device based on information included in the signal received from the signal converter. 9. The lighting system of claim 8, wherein the driving circuitry controls an operation of the lighting device by adjusting duty ratios of one or more switching elements, and the duty ratios of one or more switching elements are adjusted based on information included in the signal received from the signal converter. 10. The lighting system of claim 1, wherein the signal converter comprises: a first communications module configured to communicate with the DALI master controller according to the DALI communication protocol;a second communications module configured to communicate with the lighting driver according to the wireless communication protocol; anda control module configured to inter-convert a first signal conforming to the DALI communication protocol and a second signal conforming to the wireless communication protocol. 11. The lighting system of claim 10, wherein the control module is a plurality of control modules, and one of the plurality of control modules inter-converts the first and second signals, and the plurality of control modules are connected to each other to perform communication according to at least one of a serial peripheral interface (SPI), a universal asynchronous receiver transmitter (UART) interface, and an inter-integrated circuit (I2C) interface. 12. The lighting system of claim 11, wherein the plurality of control modules are provided as a single integrated circuit (IC). 13. The lighting system of claim 10, wherein the control module extracts at least one of address information, device information, and control information from a signal received through the first communications module and conforming to the DALI communication protocol to generate a signal conforming to the wireless communication protocol. 14. The lighting system of claim 1, wherein the wireless communication protocol is a protocol based on at least one of ZigBee™, ultra-side band (UWB), wireless local area network (WLAN), Bluetooth™, infrared data association (IrDA), and radio frequency identification (RFID). 15. A signal converting device comprising: a first communications module configured to communicate with a management server in a wired manner according to a digital addressable lighting interface (DALI) communication protocol;a second communications module configured to communicate with a plurality of lighting drivers operating a plurality of lighting devices according to a wireless communication protocol; anda control module configured to inter-convert a first signal transmitted and received by the first communications module and conforming to the DALI communication protocol and a second signal transmitted and received by the second communications module and conforming to the wireless communication protocol,wherein the control module transmits and receives different second signals to and from each of the plurality of lighting drivers based on information included in the first signal. 16. A lighting system comprising: a signal converter receiving across a wired interface a first signal for controlling a lighting device and conforming to a wired communication protocol, and converting the first signal into a second signal for controlling the lighting device and conforming to a wireless communication protocol; anda lighting driver comprising: a wireless communications module receiving across a wireless interface the second signal for controlling the lighting device from the signal converter; anda converter providing a driving signal to the lighting device,wherein the converter controls the driving signal based on the second signal. 17. The lighting system of claim 16, wherein the first and second signals include pulse width modulation (PWM) signal information, and the converter controls a switching element according to the PWM signal information of the second signal in order to adjust a duty ratio of the driving signal provided to the lighting device. 18. The lighting system of claim 16, wherein the signal converter extracts address information conforming to the wired communication protocol from the first signal, and includes in the second signal address information of the lighting driver that conforms to the wireless communication protocol and is determined based on the address information extracted from the first signal. 19. The lighting system of claim 16, wherein the wireless communications module transmits across the wireless interface a third signal including device information from the lighting driver, and the signal converter receives across the wireless interface the third signal, and converts the third signal into a fourth signal including the device information from the lighting driver and conforming to the wired communication protocol for transmission across the wired interface.
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