KR101072901B1 - Switching control method for light-emitting diode lighting apparatus - Google Patents

Abstract

According to the present invention, each LED lighting device is provided with an optical sensor to illuminate, control color, and turn on and off by optical data transmitted from an adjacent lighting device. It is an object of the present invention to provide a wireless communication control method of a switching system for an LED lighting device to synchronize the data transmission and reception of the lighting device to more accurately transmit and receive data.

      To this end, the wireless communication control method of the LED lighting device switching system according to the present invention includes the steps of supplying AC power having a constant frequency to the plurality of LED lighting devices installed on the same line; Detecting, at the CPU provided in each LED lighting device, an instant when the AC power becomes " 0 " per cycle from the supply power; A CPU provided in each LED lighting apparatus for controlling such that the LED module flashes momentarily at the moment when the AC power becomes " 0 " every cycle; Controlling is performed by synchronizing a plurality of LED lighting apparatuses on the same line by controlling the CPU to transmit an optical data for switching control of the LED lighting apparatus at the same time as the LED is turned off according to the flashing of the LED module.

      LED, lighting, switching, illuminance, light sensor, CPU, frequency, period, synchronization

Description

Wireless communication control method of switching system for LED lighting device {SWITCHING CONTROL METHOD FOR LIGHT-EMITTING DIODE LIGHTING APPARATUS}

The present invention relates to a wireless communication control method of a switching system for an LED lighting device, and more specifically, to a plurality of LED lighting devices, each of the light sensor is integrally formed by the illumination and color by the optical data transmitted from the adjacent lighting device The present invention relates to a wireless communication control method of a switching system for an LED lighting device to increase the data transmission efficiency by synchronizing a plurality of LED lighting devices in the switching system for LED lighting device is made, the on / off control.

      In general, fluorescent lights and incandescent lamps are widely used as lighting fixtures in various places including homes and offices, and various end lighting devices such as sodium lamps and mercury lamps are used in various other places. to be.

      However, as described above, the lighting apparatuses have a lot of difficulties in manufacturing, have a lot of power consumption, and have a limited lifespan due to repetitive and frequent switching operations.

      Recently, various products using LEDs have been developed and applied in various industrial fields. In particular, high brightness LED lamps have the advantages of being semi-permanent and having very low power consumption. Therefore, conventional fluorescent lamps, incandescent lamps, sodium lamps, It is expected to be able to replace various lamps including mercury lamps.

      In other words, LED lamps contain various harmful substances and replace existing lamps with short lifespans, which can reduce environmental pollution. Energy savings can also be achieved through the low power consumption of LED lamps. .

      Here, when the high brightness LED lamp is used as a lighting device, each lighting device made of the LED module is installed at a lighting providing point such as a ceiling, so that a plurality of LED lighting devices are formed to form an illumination. At this time, a plurality of LED lighting devices must be installed with a separate LED lighting device and neighboring LED lighting devices for communication for illumination and color control, such as ON / OFF, and even if power line communication, the power lines must be on the same line. Only if present, communication problems occur.

      This causes a big problem in the control of the LED lighting device for implementing various illumination and color adjustment.

      Accordingly, the present applicant, in order to solve the problems in the conventional LED lighting apparatus as described above, as shown in Figures 1a to 1c through the domestic patent application No. 2009-0099703, "arranged at the lighting providing point A system for controlling a plurality of LED lighting devices, comprising: switching means (50) for applying a signal for adjusting illumination and color including on and off to an arbitrary LED lighting device side; SMPS (20) for rectifying and transforming the furnace to supply the device, an optical sensor (40) for receiving data consisting of an optical signal from the outside, and is driven according to a predetermined control signal and illuminated while emitting light containing the optical data. LED module 10 for providing a, including on and off for the LED module 10 on the basis of the data information input from the optical sensor 40 And an LED lighting device 100 configured to include a CPU 30 for controlling color and controlling optical data to be transmitted through the LED module. &Quot; Illuminance and switching control system.

      However, in the illumination and switching control system of the LED lighting apparatus as described above, synchronization is not performed when data is transmitted and received between the LED module and the light sensing sensor included in each LED lighting apparatus. Due to the mutual interference occurs, the problem that the data reception rate is lowered without accurate transmission of optical data.

An object of the present invention has been proposed in order to solve the problems in the prior art as described above, the object is that each LED lighting device is provided with a light sensor and the illumination and color, by the optical data transmitted from the adjacent lighting device, Wireless communication control of LED lighting device switching system that enables more accurate data transmission and reception by synchronizing data transmission and reception of each LED lighting device through power frequency in the LED lighting device switching system that performs on / off control. In providing a method.

      Wireless communication control method of the LED lighting device switching system according to the present invention for achieving the above object, the SMPS for supplying power from the outside, the optical sensor for receiving optical data, the predetermined control signal The LED module is driven according to the LED module to emit light including the optical data, and the CPU controls the transmission of the optical data through the LED module while controlling the corresponding LED module based on the data information input from the optical sensor. A method for controlling wireless communication of a switching system for an LED lighting device, comprising a lighting device and a switching means for applying a switching signal to the LED lighting device. Supplying AC power having a constant frequency to a plurality of LED lighting devices installed on the same line; Detecting, at the CPU provided in each LED lighting device, an instant when the AC power becomes " 0 " per cycle from the supply power; A CPU provided in each LED lighting apparatus for controlling such that the LED module flashes momentarily at the moment when the AC power becomes " 0 " every cycle; And synchronizing a plurality of LED lighting devices on the same line by controlling the CPU to transmit an optical data for switching control of the LED lighting device at the same time as the LED is turned off according to the flashing of the LED module. .

      Preferably, the moment when the AC power is "0" from the AC power source is characterized in that the control is to be detected through the OP AMP circuit or directly in the microcontroller.

According to the present invention made as described above, by synchronizing data transmission and reception of each LED lighting device via the power frequency in the LED lighting device switching system, the effect of implementing a more accurate data transmission and reception to increase the data reception rate Will be.

Accordingly, the malfunction of each LED lighting device is prevented by the ambient light, it is effective to provide a lighting device of a higher quality.

Hereinafter, a wireless communication control method of the switching system for LED lighting apparatus according to the present invention will be described in detail with reference to the accompanying drawings.

2 is a view showing the frequency waveform of the commercial power source detected according to the wireless communication control method of the LED lighting device switching system according to the present invention, Figures 3a and 3b is a wireless communication of the switching system for LED lighting device according to the present invention 4 is a diagram illustrating a configuration for detecting a frequency of a commercial power source according to a control method, and FIG. 4 is a flowchart illustrating a process of controlling a switching system for an LED lighting device according to a wireless communication control method of the switching system for an LED lighting device according to the present invention. to be.

First, in the wireless communication control method of the LED lighting device switching system according to the present invention, a plurality of LED lighting device 100 formed integrally with the light sensor 40 is installed in a lighting installation point, such as a ceiling, and arranged separately, In the LED lighting device switching system made to easily control a plurality of LED lighting device 100 without a data transmission means such as a communication cable of, is implemented by enabling more accurate data transmission through synchronization of data transmission and reception .

      As is well known, the LED lighting device switching system is a radio for applying a signal for controlling the on and off of the illumination and the illumination and color of each LED module 10, etc. to any LED lighting device 100 side. Switching means such as a remote control or a wired switch is provided, and each LED lighting device installed at a lighting installation point such as a ceiling is SMPS (20) for rectifying and transforming AC power input from the outside into DC. ), An optical sensor 40 for receiving data consisting of an optical signal from the outside, an LED module 10 that is driven according to a predetermined control signal and provides illumination while emitting light including optical data, and the optical On the basis of the data information input from the sensor 40, the LED module 10 controls the illumination and color, including on and off, as well as the LED module 10 And a CPU 30 for controlling the optical data to be transmitted through the network.

      According to the present invention, the CPU detects a time point at which the waveform becomes "0" state at the frequency of commercial power input from the outside through the switched-mode power supply (SMPS) 20, and the LED module Control of (10) is performed.

      That is, the commercial AC power input from the outside to the SMPS 20 has a value of 200 [V]-60 [Hz], and accordingly, the CPUs 30 of the plurality of LED lighting devices 100 installed on the same line. ) Detects the moment when the instantaneous value of the AC power becomes "0" every cycle (approximately 166 [ms]), flashes the LED module 10, and performs control so that optical data can be transmitted and received. The LED lighting devices on the track can be synchronized with each other.

At this time, in detecting the moment when the AC power becomes "0" in the AC power of 200 [V] -60 [Hz], as shown in FIG. 3A, an OP AMP circuit is formed in the LED lighting device 100 to detect the detection. Alternatively, as illustrated in FIG. 3B, the microcontroller may be configured to detect directly.

Next, the process of controlling the wireless communication in the LED lighting device switching system made as described above in detail as follows.

First, the wireless communication control method of the LED lighting device switching system according to the present invention through the power supply step (S1), the cycle detection step (S2), the flashing step (S3) and the synchronization step (S4) Control is made.

      As described above, a state in which lighting is configured by installing a plurality of LED lighting apparatuses 100 including the SMPS 20, the light detecting sensor 40, the LED module 10, and the CPU 30 at a predetermined point. In the power supply step (S1), AC power having a constant frequency (220 [V] -60 [Hz]) is supplied to the plurality of LED lighting apparatus 100 side installed on the same line, the power is As supplied, in the periodic detection step S2, the CPU 30 provided in each LED lighting device 100 continuously detects the moment when the AC power becomes “0” every cycle from the supply power.

      In the flashing step S3, the corresponding LED module 10 flashes instantaneously every time the CPU 30 provided in each LED lighting device 100 becomes “0” in cycle units. In this case, the flashing is performed at a very quick moment, so that the illumination is not affected.

      In addition, in the synchronizing step (S4), the CPU 30 performs control so that the optical data for switching control of the LED lighting apparatus 100 is transmitted at the same time as the LED is turned off according to the blinking of the LED module 10. Accordingly, all LED lighting devices 100 installed on the same line are transmitted and received with data synchronized.

Accordingly, when a signal for driving the LED lighting apparatus 100 is applied through a predetermined switching means, an optical signal generated according to driving of any LED lighting apparatus is adjacent to the LED lighting while all the LED lighting apparatus 100 is synchronized. Continuously received by the device side, a plurality of LED lighting devices 100 can be controlled all quickly, and by synchronizing the plurality of LED lighting devices, each LED lighting device is not corrected by the surrounding light Data can be transmitted and received.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments, but, on the contrary, is intended to cover various modifications and equivalent arrangements included within the scope of the appended claims.

1a to 1c is a view showing the configuration of a switching system for the LED lighting apparatus to which the wireless communication control method of the switching system for LED lighting apparatus according to the present invention is applied,

2 is a view showing the frequency waveform of the commercial power supply detected according to the wireless communication control method of the switching system for LED lighting apparatus according to the present invention;

3a and 3b is a view showing a configuration for detecting the frequency of the commercial power source according to the wireless communication control method of the switching system for LED lighting apparatus according to the present invention,

4 is a flowchart illustrating a process of controlling the LED lighting device switching system according to the wireless communication control method of the LED lighting device switching system according to the present invention.

Explanation of symbols on the main parts of the drawings

10: LED module, 20: SMPS,

30: CPU, 40: light sensor,

50: remote control, 100: LED lighting.

Claims (2)

      SMPS for supplying power from the outside to the device, an optical sensor for receiving optical data, an LED module driven according to a predetermined control signal and emitting light including optical data, and based on data information input from the optical sensor A lighting system comprising a lighting device including a CPU for controlling the LED module and controlling the transmission of optical data through the LED module, and a switching means for applying a switching signal to the LED lighting device. CLAIMS What is claimed is: 1. A method for controlling wireless communication;       Supplying AC power having a constant frequency to a plurality of LED lighting devices installed on the same line;       Detecting, at the CPU provided in each LED lighting device, an instant when the AC power becomes " 0 " per cycle from the supply power;       A CPU provided in each LED lighting apparatus for controlling such that the LED module flashes momentarily at the moment when the AC power becomes " 0 " every cycle;       Synchronizing a plurality of LED lighting devices on the same line by controlling the CPU to transmit optical data for switching control of the LED lighting device at the same time as the LEDs are turned off according to the flashing of the LED module; Wireless communication control method of switching system for LED lighting device.       The method of claim 1,       The control method of the LED lighting device switching system, characterized in that the control is made so that the moment when the AC power from the AC power source becomes "0" every cycle through the OP AMP circuit or directly in the CPU.

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