LED brightness adjustment / diming configuration for lighting systems

Abstract

The invention relates to LED brightness adjustment / dimming configuration, which fulfills the function of dimming the light source in the lighting system quickly, with low cost and easy control, and providing illumination at the desired levels.

Description

[0001] DESCRIPTION

[0002] LED BRIGHTNESS ADJUSTMENT / DIMING CONFIGURATION FOR LIGHTING SYSTEMS

[0003] Technical Field

[0004] The invention relates to LED brightness adjustment / dimming configuration for lighting systems.

[0005] The invention particularly relates to LED brightness adjustment / dimming configuration, which fulfills the function of dimming the light source in the lighting system quickly, with low cost and easy control, and providing illumination at the desired levels.

[0006] Background of the Invention

[0007] In Turkiye, with the General Lighting Regulation published in July 2013, the regulation regarding the reduction of lighting levels by 50% after 02:00 at the latest in areas such as public parks, gardens, historical sites and walking paths, in existing lighting facilities and in newly constructed facilities, entered into force. At the same time, facilitating the adjustment of light to the desired DIM levels in indoor environments in industrial areas has also become important.

[0008] In the current technique, the brightness of the LEDs is adjusted by sending a signal over the energy line. The costs of these systems, which are implemented using DALI (Digital Addressable Lighting Interface), are high. In addition, an external cable must be drawn to activate DALI systems. This process increases the cable cost and labor cost.

[0009] Another system used in the current technique is the RF (Radio Frequency) system. In RF systems, commands are sent via remote IP connection. In order to be able to make a remote connection, an antenna must be installed in the system. Qualified personnel are needed to adjust the system.On the other hand, many parts are required in the system to adjust the brightness of the LEDs.

[0010] In current applications;

[0011] • signal generator and sensor are needed,

[0012] • control line is needed,

[0013] • control line increases the cost of the system and makes it difficult to install,

[0014] • user can wait for hours to adjust the brightness of the LED and / or brightness change times,

[0015] • there is no function to detect power cuts and as a result, the specified brightness settings are exceeded.

[0016] As a result, due to the negativities described above and the inadequacy of existing solutions on the subject, it has become necessary to make a development in the relevant technical field.

[0017] In the literature, in the Chinese patent application numbered CN112637993, it is stated that “The invention relates to a dimming control system and a working method thereof. The system comprises a dimming controller, a signal conversion box, a contactor and a plurality of LED driving chips, the dimming controller, the signal conversion box, the contactor and the plurality of LED driving chips are connected in sequence, and the plurality of LED driving chips are used for driving an LED lamp; the dimming controller is used for sending a dimming signal; the signal conversion box is used forjudging a power failure condition within a preset time according to the dimming signal and sending a power failure signal to the LED driving chip; the contactor is used for being connected between the signal conversion box and the LED driving chip; and the LED driving chip is used for controlling the light color of the LED according to the power-down signal. According to the invention, a signal conversion box is added at an input line end, and a dimming controller signal is converted into an input voltage signal through an internal circuit, so as to realize the control of the LED driver. Compared with a common dimming system, the system not only reserves a communication mode of an existing dimming controller but also removes a dimming wire from the dimming controller to the LED driver."In the application mentioned, a dimming controller, a signal conversion box, a contactor and LED driver chips are used for the dimming control system. The signal conversion box detects the power outage condition and sends a power loss signal to the LED driver chips. The dimming controller signal is transmitted to the LED driver as a voltage signal via the internal circuit in the signal conversion box. In the mentioned configuration, there is a simpler structure compared to traditional dimming systems. The signal conversion box is added and there is no direct dimming cable between the dimming controller and the LED driver. It is used to control the light color of the LED. In short, the light color of the LED is adjusted according to the power on and power off signals in the mentioned product.

[0018] Again in the literature, in the PCT application numbered W02018013005A1, it is stated that “An LED lighting system comprises a line voltage analyzer with a delay circuit, a contactor, and a line voltage rectifier; an active current stabilizer and groups of parallel-connected illuminators, in which LEDs are connected to one another in series and to a current source and a rectifier, a storage battery and a charging device, which is activated by a signal from the network analyzer. The storage battery is connected to a voltage converter, which is activated by a line voltage sensor. An output of the converter is connected via a first switch to the terminals of the rectifier. The active current stabilizer has a dimming input, on the basis of which the working current is set in the common circuit of the system using a second switch. The level of current during dimming is set using a third switch, and the level of current for emergency lighting is set using a fourth switch. A working dimming mode is set using a sixth and a fifth switch. The illuminators comprise LEDs only. The illuminators are powered in the working mode, during dimming and during emergency lighting by two conductors. The system allows the pre-setting and adjustment of the working current of the LEDs, the current during dimming and the current of the LEDs in emergency mode.”

[0019] The embodiment described herein describes an LED lighting system comprising an unlimited number of single illuminators powered from an AC network via a special control unit, which ensures stable operation of the illuminator. It includes an LED lighting system comprising a network voltage presence analyzer with a delay circuit, a contactor, a network voltage rectifier, an active current stabilizer and groups ofilluminators in which the LEDs are connected in series with each other and with a current source and a rectifier. The illuminators themselves are connected in parallel in the system, while a battery and a charger are switched on by a signal from a network analyzer, while the battery is connected to a voltage converter switched on from a network voltage sensor, which produces a voltage equivalent to the voltage after the rectifier. The converter output is connected to the rectifier terminals via the first switch, the active current stabilizer has a dimming input, via which the operating current in the common circuit of the system can be adjusted using the second switch, the current level for dimming is set using the third switch and the current level for emergency lighting is set using the fourth switch (when the fifth switch is turned on), the sixth switch sets the operating mode.

[0020] Again, in the literature, in the US patent document numbered US2012062128A1, it is stated that " A power supply to an LED-based street or area light is operated to provide a dimming control signal, which is in turn processed by a circuit to produce 0-10 V DC, pulse width modulated (PWM) signals, or any other suitable signal that can variably control LEDs within the light. The on / off power interruptions could be provided, for example, from a photoelectric control, a timer circuit, or a preprogrammed or manually controlled timer / contactor. The signal to the on / off device could also or instead be initiated by an RF or power line carrier signal to cause the power interruptions."

[0021] In the patent, a dimming control signal is provided to power an LED-based street or area light, which is then processed by a circuit to produce 0-10 V DC, pulse width modulated (PWM) signals, or any other suitable signal capable of variably controlling the LEDs within the light. The on / off power interruptions may be provided by, for example, a photoelectric control, a timer circuit, or a pre-programmed or manually controlled timer / contactor. The signal to the on / off device may also be initiated by, or used in place of, an RF or power line carrier signal to cause the power interruptions. A dimmer for use in a street light or similar device may perform dimming using existing two-wire or three-wire systems. The power on / off switching of an actuator (e.g., a relay or timer / contactor) may provide a signal to a circuit for dimming control, which may detect the on / off power interruptions and generate a control signal to a variable intensity lighting system such as a driver and an array of LEDs. The controlsignal can be 0-10 Volt DC, a pulse modulated (PWM) signal, or any other signal suitable for coding variable intensity lighting control.

[0022] For the reasons mentioned above, a new LED brightness adjustment / dimming configuration was needed for lighting systems.

[0023] Purpose of the Invention

[0024] Based on this position of the technique, the purpose of the invention is to present a new LED brightness adjustment / dimming configuration for lighting systems that eliminates the existing disadvantages.

[0025] Another purpose of the invention is to present a structure that allows the brightness and time settings of the LEDs to be made easily and in a short time.

[0026] Another purpose of the invention is to present a structure that allows the establishment of a low-cost system compared to existing systems without the need for a control line and provides ease of installation and installation.

[0027] Another purpose of the invention is to present a structure that can be programmed remotely with a GSM module or manually with a USB memory stick via the box or with the buttons on the box and thus provides control over the AC line.

[0028] Another purpose of the invention is to present a structure where brightness and brightness change time settings can be made in a few minutes, and the LED brightness can be adjusted in a simple way in the situation.

[0029] Another purpose of the invention is to present a structure that allows the LED to be activated at sunset and operate at 100% brightness, to turn off at sunrise, and to adjust the on-off operation and dim levels at desired times.

[0030] Another purpose of the invention is to present a structure that detects energy cuts and ensures that the LEDs remain at the brightness set by the user after the electricity returns.Another purpose of the invention is to present a system that does not require technical competence and can be easily used by every user.

[0031] Explanation of Figures

[0032] Figure - 1 Schematic view of the LED brightness adjustment / dimming configuration for the lighting systems that are the subject of the invention.

[0033] Reference Numbers

[0034] 1. LED Module

[0035] 2. Automation Box

[0036] 3. Signal Regulator

[0037] 4. LED Driver

[0038] 5. First Contactor

[0039] 6. Second Contactor

[0040] 7. Daylight Sensor

[0041] Detailed Description of the Invention

[0042] In this detailed explanation, the innovation in question is explained only with examples that will not create any limiting effect on the better understanding of the subject.

[0043] The invention is a LED brightness adjustment / dimming configuration, which dims the light source in the lighting system quickly, with low cost and easy control and provides lighting at the desired levels, including an LED module (1) positioned as a light source, an LED driver (4) that provides the necessary power for the operation of the said LED module (1) characterized in that; comprises an automation box (2) which is created as the signal generator required for the dimming process that creates command signals in order to enable the user to perform power on-off operations at the desired times and to repeat the settings, located at the mains voltage output, a signal regulator (3) which transmits the dimming levels to the said LED driver (4) in order to enable the luminaire to dim between 0% and 100% bydetecting the signals generated by the said automation box (2) and converting these signals into 0-10 V voltage, first contactor (5) positioned to transmit the on-off signal coming from the said automation box (2) to the signal regulator (3) and second contactor (6) which transmits the dim signal coming from the said automation box (2) to the signal regulator (3).

[0044] Figure - 1 shows a schematic view of the LED brightness adjustment / dimming configuration for the lighting systems that are the subject of the invention.

[0045] The LED brightness adjustment / dimming configuration, which is the subject of the invention, consists of the following main parts: a LED module (1) positioned as a light source, a LED driver (4) providing the necessary power for the operation of said LED module (1), an automation box (2) located at the mains voltage output, which is created as the signal generator necessary for the dimming process that creates command signals in order to allow the user to perform power on-off operations at the desired times and to repeat the settings, a signal regulator (3) transmitting the dim levels to said LED driver (4) in order to enable the luminaire to dim between 0% and 100% by perceiving the signals generated by said automation box (2) and converting these signals into 0-10 V voltage, a first contactor (5) positioned to transmit the on-off signal coming from said automation box (2), a second contactor (6) transmitting the dim signal coming from said automation box (2) and a daylight sensor (7) that can detect daylight and activate or deactivate the set program according to the ambient light level.

[0046] The LED brightness adjustment / dimming structure, which is the subject of the invention, is a structure that adjusts the brightness / ignition intensity of the LED module (1) by adjusting the current transmitted to the LED module (1) as a result of detecting the voltage information transmitted via command signals.

[0047] In the embodiment that is the subject of the invention, the signal regulator (3) detects the signals sent by the automation box (2) via the contactors (5,6) and converts these signals into 0-10 V voltage, allowing the luminaire to dim between 0% and 100%. The two contactors (5,6) located at the output of the automation box (2) generatecommand signals by swapping the phase and neutral outputs. The first contactor (5) generates on-off signals, while the second contactor (6) generates dim signals.

[0048] The automation box (2) can detect faults and power outages. In case of power outage, the system continues from the program it left off. In addition, faults occurring on the LED driver (4) are detected and the dimming signal continues to be sent. If the fault is not corrected, the user is warned.

[0049] The automation box (2) can be programmed manually or via a user-friendly interface via its software. Dim levels can be set at the desired hours. Different dim levels can be determined for different areas via a single automation box (2) and multiple fixtures can be controlled simultaneously.

[0050] Thanks to the daylight sensor (7) that can be integrated into the system, fixtures can be turned on independently of the program if it gets dark early, and when the program time is reached, the system continues working from where it left off.

[0051] The automation box (2) mentioned can be programmed remotely via GSM module (not shown in the figure) or via USB memory (not shown in the figure). The energy consumption of the system within 1 year can be monitored via USB or GSM module. It can be displayed graphically via computer.

[0052] It can be adapted to SCADA or other software via the RS-485 port. The user can manually adjust the dim levels and duration with the buttons on the automation box (2). When the time is up, the system returns to the previously loaded program and continues where it left off.

[0053] The number of fixtures that can be used in this system varies depending on the current of the contactors (5,6) and the power of the fixture.

Claims

CLAIMS1. The invention is, a LED brightness adjustment / dimming configuration, which dims the light source in the lighting system quickly, with low cost and easy control and provides lighting at the desired levels, including an LED module (1) positioned as a light source, an LED driver (4) that provides the necessary power for the operation of the said LED module (1) characterized in that; comprises an automation box (2) which is created as the signal generator required for the dimming process that creates command signals in order to enable the user to perform power on-off operations at the desired times and to repeat the settings, located at the mains voltage output, a signal regulator (3) which transmits the dimming levels to the said LED driver (4) in order to enable the luminaire to dim between 0% and 100% by detecting the signals generated by the said automation box (2) and converting these signals into 0- 10 V voltage, first contactor (5) positioned to transmit the on-off signal coming from the said automation box (2) to the signal regulator (3) and second contactor (6) which transmits the dim signal coming from the said automation box (2) to the signal regulator (3).

2. A LED brightness adjustment / dimming configuration according to claim 1, comprises a daylight sensor (7) that can detect daylight and activate or deactivate the set program according to the ambient light level.

3. A LED brightness adjustment / dimming configuration according to any preceding claims; comprises a GSM module to enable remote programming of the automation box (2).

4. A LED brightness adjustment / dimming configuration according to any preceding claims; comprises an USB memory stick to enable programming of the automation box (2).

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