KR100908733B1 - The fluorescent light with led - Google Patents

Abstract

An LED fluorescent lamp comprising dimming transmitting/receiving modules is provided to prolong the lifetime of LEDs by installing a heat radiating plate in the lower part of an insulating pad made of rubber. A dimming transmission module(100) has the structure of a remote controller. The dimming transmission module includes a constant current part(SMPS)(110), a wall-mounted power switch(120) and a dimming controller(130). The constant current part delivers DC power to the wall-mounted power switch. The wall-mounted power switch consists of a key pad and a key scan IC part. The key pad is comprised of a system power ON/OFF button, a dimming up button, a dimming down button and a memory setting button.

Description

LED fluorescent lamp consisting of dimming transmitter and receiver module {THE FLUORESCENT LIGHT WITH LED}

The present invention can be integrated control of a plurality of LED fluorescent lamps within 1m ~ 1000m in RS485C format, dimming control of a plurality of LED fluorescent lamps irrespective of power consumption, supplying a constant current to provide stable brightness and optimal life of the LED fluorescent lamp The present invention relates to an LED fluorescent lamp composed of a dimming transmission / reception module that can be guaranteed.

In general, a luminaire having a dimming function for adjusting the brightness of the lamp according to the ambient illumination is widely used.

Such a dimming-controllable lighting fixture is mainly used in a lighting facility of a special purpose indoor space of a performance hall or a theater, and a lighting fixture for allowing a user to manually adjust the brightness of a lamp is also used.

These special purpose lighting fixtures are generally controlled based on the lighting design suitable for performance or performance, so dimming control is performed regardless of the brightness of the external environment.

Nowadays, a lot of LED fluorescent lamps are released. The lifetime of LED fluorescent lamps is about 50,000 hours, and they are spotlighted as eco-friendly products because they do not contain heavy metals such as mercury.

However, when a plurality of LED fluorescent lamps are installed in factories or offices of large buildings, overcurrent or overvoltage flows, which causes a problem of shortening the life of the LEDs, and it is impossible to control the illumination of a plurality of LED fluorescent lamps at once. There was a difficult issue.

In order to solve the above problems, in the present invention, a plurality of LED fluorescent lamps within 1m ~ 1000m can be integrated control in RS485C format, dimming control of a plurality of LED fluorescent lights irrespective of power consumption, supplying a constant current LED fluorescent lamp Its purpose is to provide LED fluorescent lamps consisting of dimming transmit and receive modules that can ensure stable brightness and optimal lifetime.

LED fluorescent lamp made of a dimming transmission and reception module according to the present invention to achieve the above object

A dimming transmission module unit for supplying a dimming signal of up and down by applying AC 100 ~ 240V which is a commercial power supply to the wall power switch, and outputting the dimming signal to a plurality of LED fluorescent lamps in RS485C code form by a dimming controller;

Receiving a dimming signal output from the dimming output module unit and transmitting the dimming signal to the LED module control unit, and applying a PWM signal to the relay (SSR) in the LED module control unit to control the LED module to PWM dimming;

It is achieved by the LED substrate control module unit for outputting the illuminance of the multi-pattern in accordance with the PWM dimming signal of the dimming receiving module unit.

As described above, in the present invention, there is a diffuse reflection projection, the light spreadability is good, it is possible to provide a comfortable environment through the dimming control, there is a good effect that can be integrated control in the RS485C format.

Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings.

1 is a block diagram showing the components of the LED fluorescent lamp consisting of a dimming transmission and reception module according to the present invention, which is a dimming transmission module unit 100, dimming receiving module unit 200, LED substrate control module unit It consists of 300.

First, the dimming transmission module unit 100 according to the present invention will be described.

The dimming transmission module unit 100 is a commercial power supply AC 100 ~ 240V is applied to the wall-mounted power switch to generate the up and down dimming signal and system power signal, a plurality of dimming signal and system power signal by the dimming controller It is outputted in RS485C code format to two LED fluorescent lamps, which is attached to a side wall or made of a remote controller structure to send a dimming signal and a system power signal to a plurality of LED fluorescent lamps within 1m to 1000m. (SMPS) 110, wall-mounted power switch 120, the dimming controller 130 is configured.

The constant current unit (SMPS) 110 is applied to the AC 100 ~ 240V which is a commercial power supply serves to transfer the DC power converted into a 12V voltage to the wall-mounted power switch.

The wall-mounted power switch 120 is attached to a wall to generate a dimming signal and a system power signal of an up or down through a keypad, as shown in FIG. The keypad unit 121 and the kisscan IC unit 122 which receives the input of the keypad unit and kisses the input portion of the capacitive touch sensor and transmits the kisscand result to the dimming controller unit. .

The keypad unit includes a system power ON / OFF button, a dimming up button, a dimming down button, and a memory setting button.

That is, the system power on / off button of the keypad is input to CS1, which is an input terminal of the kisscan IC, the dimming up button is input to CS2, which is an input terminal of the kisscan IC, and the dimming down button is input to CS3 of the kisscan IC. The memory setting button is input to CS4, which is an input terminal of the kisscan IC unit.

The system power ON / OFF output signal is input to RA0, which is an input terminal of the dimming controller, through OUT1, which is an output terminal of the kisscan IC unit, and the dimming-up signal is input terminal of the dimming controller unit, via an OUT2, which is an output terminal of the kisscan IC unit. Is input to RA1, and the dimming down signal is input to RA2, which is an input terminal of the dimming controller section, via OUT3, which is an output terminal of the kisscan IC section, and a memory setting signal is input of the dimming controller section, via OUT4, which is an output terminal of the kisscan IC section. It is input to RA3 terminal.

In addition, the wall-mounted power switch 120 has a built-in data to enable a fixed output or a predetermined pattern of illuminance output in the memory, it is configured to be programmed repeatedly to output.

The dimming controller 130 is connected to one side of the wall power switch for controlling the dimming signal and the system power signal to output a plurality of LED fluorescent lamps within 1m ~ 1000m in RS485C code format, which is composed of PIC16F873 The unique identification ID setting unit is configured in the internal memory so that the plurality of LED fluorescent lamps can be identified.

Here, the unique identification ID setting unit sets a unique identification ID to each LED fluorescent lamp, and transmits the unique identification ID with the dimming signal with the RS485C code.

The dimming controller 130 according to the present invention has an input terminal RA0 connected to OUT1 which is an output terminal of a kisscan IC unit, an input terminal RA1 is connected to OUT2 which is an output terminal of a kisscan IC unit, and an input terminal RA2 is a kisscan IC. The output terminal RA3 is connected to the negative output terminal OUT3, and the input terminal RA3 is connected to the output terminal OUT4 which is the output terminal of the kisscan IC unit.

In addition, the dimming controller 130 is connected to the output terminal output terminal RC6 and the input terminal DI of the RS485C serial communication protocol for 2-wire.

The dimming controller 130 according to the present invention receives a dimming signal and a system power signal from a wall-mounted power switch, reads in a pre-programmed code format, and controls to output a transmission signal in accordance with the RS485C communication protocol.

RS485C according to the present invention is an extended version of RS 232, RS 422, a kind of serial communication protocol standard that supports a home network, which allows all devices to transmit and receive data on the same line. And, it supports both half duplex and full duplex communication. In addition, the RS 485 has a maximum number of drivers and receivers, each of 32, and has a feature that allows a network to be constructed up to a maximum speed of 10 km at a maximum speed of 10 Mbps.

In the present invention, the RS485 + terminal is connected to one side of the T + terminal of the dimming transmission module, and the RS485C for two wires connected to the RS485 terminal is connected to one side of the T-terminal. By configuring a two-wire RS485C connected to one side of the R-terminal and an RS485 terminal, a plurality of LED fluorescent lamps within 1m to 1000m can be configured for integrated control and dimming control in RS485C format.

Next, the dimming receiving module unit 200 according to the present invention will be described.

The dimming receiving module unit 200 receives a dimming signal output from the dimming output module unit and transmits the dimming signal to the LED module control unit, and controls the LED module to PWM dimming by applying a PWM signal to the relay (SSR) in the LED module control unit. As shown in FIG. 7, it is installed in the ballast box connected to the LED fluorescent lamp and on one side of the reflector of the LED fluorescent lamp, and the dual constant current unit (SMPS) 210 and the power regulator unit 220 are disposed on the inner substrate. , The dimming receiver 230, the LED module controller 240, and the relay unit 250 are configured.

The dual constant current unit (SMPS) 210 receives a commercial power supply AC 100 ~ 240V and transfers the DC power converted to 12V voltage to the constant voltage regulator, and serves to transfer the DC power converted to 50V voltage to the relay. .

The power regulator 220 is a place where the 12V voltage coming out of the dual constant current unit (SMPS) to a constant voltage to 5V and applied to the power supply terminals of the receiver and the control unit, which is composed of LM7805.

The dimming receiver 230 receives a dimming signal and a system power signal output from the dimming output module unit as an RS458C code and transmits the dimming signal to the LED substrate controller.

As shown in FIG. 6, the RS485 + terminal is connected to one side of the receiving terminal A + terminal, which is the receiving terminal, and the RS485C for 2-wire connected to the RS485 terminal of one side of the B-terminal.

The dimming signal and the system power signal received through the dimming receiver are transmitted to the input terminal RB1 of the LED substrate controller through the output terminal R0.

The LED substrate control unit 240 controls the LED module to PWM dimming by applying a PWM signal to the relay (SSR), which is composed of PIC one chip microcomputer (PIC16F628A), and transfers the RS485C signal received from the dimming receiver. After receiving the code, the code is converted into a pre-programmed protocol format, and then a PWM signal is applied to the relay (SSR) for dimming control according to the signal.

That is, the output terminal R0 of the dimming receiver is connected to the input terminal RB1 of the LED module controller 240, and the signal input terminal SG of the relay SSR is connected to the output terminal RB3 through a resistor R11.

PWM signal according to the present invention is a duty ratio control PWM 10-bit output signal of the CCP module embedded in the PIC16F628A to output to the relay. That is, the driving of the LED is changed by the same effect as changing the driving voltage by using the ON / OFF pulse of a predetermined period as the LED driving power supply and adjusting the duty ratio of the pulse.

In addition, the dimming control of the LED controls the duty ratio of the PWM according to the intensity of the dimming signal transmitted from the wall-mounted power switch, and is pre-programmed to transmit the PWM signal as much as the selected dimming signal to the LED.

When the PWM signal of the LED substrate controller is applied to the input terminal, the relay unit 250 is connected between the two terminals of the output terminal so that the LED substrate control module unit outputs illuminance of the multi-pattern according to the PWM dimming signal.

The relay unit (SSR) according to the present invention changes the mechanical relay electronically, the response speed is faster than the mechanical relay that performs only a simple ON / OFF function, there is no noise during ON / OFF, and prevents the overcurrent flow to extend the life It has a characteristic to make.

The PWM signal is applied to the input terminal of the relay unit SSR, and the bridge circuit unit of the LED substrate control module unit is connected to the output terminal.

Next, the LED substrate control module 300 according to the present invention will be described.

The LED substrate control module unit 300 outputs the illuminance of the multi-pattern to a plurality of LED elements on the LED substrate according to the PWM dimming signal of the dimming receiving module unit, as shown in FIG. A circular substrate is formed between the 710 and the LED substrate, and a bridge circuit portion 310 and a constant current portion 320 are formed on the circular substrate.

The bridge circuit unit 310 is connected to the output terminal of the relay unit serves to convert the minute change of the resistance into a potential difference so that the polarity does not change electrically.

As shown in FIG. 6, the constant current unit 320 serves to continuously supply a constant current to the LED device through the capacitor C10.

Next, the structure of the LED fluorescent lamp of the present invention will be described.

3 is a perspective view showing an LED fluorescent lamp according to the present invention, which is a LED substrate 400, aluminum heat dissipation unit 500, translucent PC diffuser 600, LED substrate control module unit 300, dimming reception It is composed of a module unit 200.

The LED substrate 400 is formed of a plurality of the same arc shape as the PC diffuser, where a plurality of LEDs are aligned and emitted toward the front face of the PC diffuser, and a plurality of LEDs are disposed on the front surface of the substrate. It consists of a metal PCB that primarily dissipates heat from the LEDs on the back.

As shown in FIG. 8, the metal PCB 450 is formed with a glass epoxy PCB 453 together with an insertion hole 452 so that the chip LED 451 is inserted into the front surface of the metal PCB 450.

In addition, an insulating pad 454 of a rubber material is formed at the bottom of the glass epoxy PCB 453, and an aluminum heat sink 455 is formed at the bottom of the insulating pad.

As such, the metal PCB is formed of an insulating pad made of rubber and an aluminum heat sink on the bottom of the existing PCB, thereby prolonging the life of the LED which is weak in thermal characteristics and preventing malfunction of the device due to heat.

The aluminum heat dissipation part 500 is formed on the back side of the metal PCB boards, and at the same time, protrudes a heat dissipation part for dissipating heat emitted from the LED.

It is mounted on a rod-shaped support shaft to support the metal PCB plate, and a plurality of heat dissipating parts made of aluminum material are formed to radiate heat of the LED radiated through the metal PCB to the secondary.

The translucent PC diffuser 600 is made of polycarbonate (PC) material, and is formed in a rod-like shape such as a fluorescent lamp to serve to reflect light emitted from the LED to the outside.

In addition, a guide rail groove is formed on the top surface of the PC diffusion port so that the LED substrate, the LED substrate control module unit, and the dimming receiving module unit slide and are inserted, and fluorescent electrode pins 710 are formed at both ends thereof.

In addition, as shown in FIG. 5, a sawtooth-shaped projection 610 is formed inside the diffuser for the purpose of diffuse reflection of the LED light source, so that light is scattered and diffused in the diffuser so that the LED light source is evenly diffused in the diffuser. .

The diffuser mixes PC and fluorine compound in the ratio of about 98: 2 and extracts them in the form of extrusion to convert the point light source peculiar to LED into a planar light source.

The LED substrate control module 300 is configured between the LED substrate and the fluorescent electrode pin, the dimming receiving module 200 is configured on one side of the LED substrate control module.

Hereinafter, a specific operation process of the LED fluorescent lamp consisting of a dimming transmission and reception module according to the present invention will be described.

First, the user selects the illuminance desired through the up / down button of the wall power switch.

At this time, the dimming signal is generated on the wall-mounted power switch, and the dimming signal selected by the user is transmitted to the dimming controller.

Subsequently, the dimming controller outputs the dimming signal to a plurality of LED fluorescent lamps within 1m to 1000m in RS485C code format.

Subsequently, the dimming receiving module unit configured at the ballast of one side of the LED fluorescent lamp receives the dimming signal output from the dimming output module unit through the dimming receiving unit as an RS458C code and transmits it to the LED module control unit.

Subsequently, the LED module controller applies a PWM signal to the relay SSR to control the LED module to PWM dimming.

Subsequently, the LED substrate control module unit outputs illuminance of a multi-pattern to a plurality of LED elements on the LED substrate according to the PWM dimming signal of the dimming receiving module unit.

At this time, the plurality of LED elements listed on the LED substrate emits light according to the dimming signal selected by the user through the LED substrate control module.

1 is a block diagram showing the components of the LED fluorescent lamp made of a dimming transmission and reception module according to the present invention,

2 is a block diagram showing the components of a dimming transmission module unit according to the present invention;

3 is a block diagram showing the components of a dimming receiving module unit according to the present invention;

4 is an exploded perspective view illustrating an exploded LED fluorescent lamp made of a dimming transmission / reception module according to the present invention;

Figure 5 is a side cross-sectional view of an LED fluorescent lamp made of a dimming transmission and reception module according to the present invention,

6 is a circuit diagram showing the components of a dimming transmission module unit according to the present invention;

7 is a circuit diagram illustrating the components of a dimming receiving module unit according to the present invention;

8 is a cross-sectional view showing a metal PCB configured at the rear end of the LED substrate according to the present invention.

※ Brief description of reference numerals ※

100: dimming transmission module unit 110: constant current unit (SMPS)

120: wall power switch 130: dimming controller

200: dimming receiving module unit 210: dual constant current unit (SMPS)

220: power supply regulator 230: dimming receiver

240: LED module control unit 250: relay unit

300: LED substrate control module

Claims (7)

AC 100 ~ 240V, a commercial power supply, is applied to the wall power switch to generate up / down dimming signals and system power signals, and the dimming controller outputs the dimming signals and system power signals to a plurality of LED fluorescent lamps in RS485C code format. Dimming transmission module unit 100 and Receives the dimming signal and the system power signal output from the dimming transmission module unit 100 and transmits to the LED module control unit, the LED module control unit applies a PWM signal to the relay (SSR) to control the LED module to PWM dimming Dimming receiving module unit 200, In the configuration of the LED substrate control module 300 for outputting the illumination of the multi-pattern to a plurality of LED elements on the LED substrate in accordance with the PWM dimming signal of the dimming receiving module unit, The dimming transmission module unit 100 is a constant current unit (SMPS) (110) for receiving a commercial power supply AC 100 ~ 240V and converts the DC power converted into a 12V voltage to the wall power switch; A wall-mounted power switch 120 attached to a wall to generate a dimming signal of an up or down through a keypad; The LED fluorescent lamp made of a dimming transmitter and receiver module connected to one side of a wall power switch and controlled to output a dimming signal to a plurality of LED fluorescent lamps within 1m to 1000m in RS485C code format. delete According to claim 1, The wall-mounted power switch 120 is a keypad portion consisting of a touch sensor, and receives the input of the keypad portion to kiss the input portion of the capacitive touch sensor, the dimming controller It consists of a kiss can IC part to send to a part, The system power on / off button on the keypad is input to CS1, the input terminal of the kisscan IC, the dimming up button is input to CS2, the input terminal of the kisscan IC, and the dimming down button is input to CS3 of the kisscan IC. The memory setting button is input to CS4, which is an input terminal of the kisscan IC unit, the system power ON / OFF output signal is input to RA0, which is an input terminal of the dimming controller unit, via OUT1, which is an output terminal of the kisscan IC unit, and the dimming up signal is a key. The input signal is input to RA1, which is an input terminal of the dimming controller, via OUT2, which is an output terminal of the scan IC unit, and the dimming down signal is input to RA2, which is an input terminal of the dimming controller, via OUT3, which is an output terminal of the kisscan IC unit. An LED fluorescent lamp comprising a dimming transmit / receive module, configured to be input to RA3, an input terminal of a dimming controller, through OUT4, which is an output terminal of a scan IC unit. The dimming controller 130 of claim 1, wherein the input terminal RA0 is connected to OUT1 which is an output terminal of the kisscan IC unit, the input terminal RA1 is connected to OUT2 which is an output terminal of the kisscan IC unit, and the input terminal RA2 is a key. It is connected to OUT3, which is the output terminal of the scan IC unit, and the input terminal RA3 is connected to the OUT4, which is the output terminal of the kisscan IC unit, and connected to the input terminal DI of the RS485C serial communication protocol for 2-wire to the output terminal RC6. LED fluorescent lamp with dimming transmitter and receiver module. The dimming controller of claim 1, wherein the dimming controller unit 130 is a dimming transmit and receive module, characterized in that the two-wire RS485C serial communication protocol 140 is connected to one side of the output terminal. delete According to claim 1, LED substrate control module 300 is connected to the output terminal of the relay unit bridge circuit portion 310 to convert a small change in the resistance to a potential difference so that the electrical polarity does not change, LED fluorescent lamp consisting of a dimming transmission and reception module, characterized in that it comprises a constant current unit 320 for supplying a constant current to the LED device.

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