CN205065594U - LED down lamp of adjustable bright colour - Google Patents

Abstract

The utility model provides an adjustable bright-color LED downlight, which belongs to the technical field of LED lighting, and includes a radiator, one end of the radiator is a PCB circuit board, and the PCB circuit board is equipped with a plurality of lamps emitting light of different colors through a pressure-sensitive sheet. The LED lamp bead is also provided with a remote control module on the PCB circuit board, and the remote control module establishes circuit signal transmission with the remote control provided outside the LED downlight; the remote control module includes an MCU microprocessor and a remote control connected to the MCU microprocessor. Input unit, drive unit, storage unit and photometric sensor, the output end of the drive unit is connected to the pressure-sensitive sheet of multiple LED lamp beads one by one, the photometric sensor is used to obtain the external photometric signal, and the storage unit is used to record the position parameters of the pressure-sensitive sheet and Preset mode parameters. The utility model solves the problem of single color of the light through the digital control of the light, and satisfies the needs of different users.

Description

A dimmable bright color LED downlight

technical field

The utility model relates to the technical field of LED lighting, in particular to an LED downlight which can adjust the light color at will according to indoor scenes.

Background technique

The traditional white LED downlight directly uses white LED as the light source, and is composed of a radiator, a drive unit, an electronic ballast and a lampshade. The function of the lampshade is to protect the LED light source, diffuse light, and increase the appearance aesthetics. LED downlights with this structure have simple functions and general decorative effects. Since the color of the internal LED light source will not change, it is not satisfactory for some young people who need certain lighting effects to create a corresponding atmosphere.

Contents of the invention

The technical task of this utility model is to aim at the deficiencies of the prior art, and provide a LED downlight with a reasonable design and low cost, which can be adjusted in bright colors. The LED downlight uses LEDs of various colors as light sources, and a remote According to the indoor environment, use the remote control to remotely emit one or several mixed colors of light, adjust the color of the light, and make the indoor light bright and warm, so as to meet the different needs of customers.

The technical scheme that the utility model solves its technical problem adopts is:

An LED downlight with adjustable brightness and color, including a radiator, a lampshade, a protective cover and an electronic ballast, one end of the radiator is provided with a PCB circuit board, one end of the radiator is installed and fixed on the top of the lampshade through the PCB circuit board, and the other end of the radiator is fixed. One end is connected to the electronic ballast, and the protective cover is set outside the lampshade. The PCB circuit board is equipped with a plurality of LED lamp beads emitting different colors of light through a pressure-sensitive sheet. There is also a remote control module on the PCB circuit board. The LED lamp beads and the remote control module are arranged in the lampshade, and the remote control module establishes circuit signal transmission with the remote control installed outside the LED downlight;

The remote control module includes an MCU microprocessor, a remote control input unit connected to the MCU microprocessor, a drive unit, a storage unit and a photometric sensor, and the output terminals of the drive unit are connected to the pressure-sensitive sheets of a plurality of LED lamp beads one by one. The photometric sensor is used to obtain external photometric signals, and the storage unit is used to record the position parameters of the pressure-sensitive sheet and the preset mode parameters.

The driving unit includes a driving power supply and a thyristor dimming circuit.

Further, the remote control module and the remote control provided outside the LED downlight establish circuit signal transmission through infrared signals.

Compared with the prior art, the beneficial effects of the LED downlight with adjustable light and bright colors of the utility model are: reasonable design, simple structure, convenient use, excellent performance and strong practicability, realizing digital control of light, It solves the problem of single lighting color, and can adjust the desired color and brightness at will, making the room warm and soft. It can be widely used in the lighting and decoration of bedrooms, living rooms and other places to meet the different needs of customers.

Description of drawings

Accompanying drawing 1 is the structural representation of the utility model;

Accompanying drawing 2 is the functional block diagram of the remote control module of the present utility model.

In the figure, 1. lampshade, 2. remote control module, 3. LED lamp bead, 4. heat sink, 5. electronic ballast, 6. PCB circuit board, 7. pressure sensitive sheet, 8. protective cover.

detailed description

Below in conjunction with accompanying drawing 1-2, a kind of adjustable bright color LED downlight of the present utility model is described in detail below.

As shown in accompanying drawing 1, a kind of adjustable bright color LED downlight of the present utility model, its structure comprises radiator 4, lampshade 1, protective cover 8 and electronic ballast 5, and the bottom of radiator 4 is provided with PCB circuit Plate 6, the bottom of the radiator 4 is installed and fixed with the tail of the lampshade 1 through the PCB circuit board 6, the top of the radiator 4 is connected with the electronic ballast 5, and the protective cover 8 is set outside the lampshade 1. The above-mentioned PCB circuit board 6 is installed in parallel with three LED lamp beads 3 emitting light of different colors through the pressure-sensitive sheet 7. The three LED lamp beads 3 are red, green and blue, and a remote control module is also provided on the PCB circuit board 6. 2. The three LED lamp beads 3 and the remote control module 2 are arranged in the lampshade 1, and the remote control module 2 and the remote control installed outside the LED downlight establish circuit signal transmission through infrared signals.

As shown in accompanying drawing 2, described remote control module 2 comprises MCU microprocessor, and the remote control input unit that is connected on the MCU microprocessor, drive unit, storage unit and photometric sensor, drive unit comprises drive power supply and thyristor regulator. The optical circuit and the output end of the drive unit are connected to the pressure-sensitive sheet 7 of the three LED lamp beads 3 one by one, the photometric sensor is used to obtain the external photometric signal, and the storage unit is used to record the position parameters of the pressure-sensitive sheet 7 and the preset mode parameters.

In the adjustable bright color LED downlight of the utility model, three LED lamp beads 3 are installed on the PCB circuit board 6 according to the set position, and after the three LED lamp beads 3 are installed, touch the pressure-sensitive pressure sheet 7, each pressure-sensitive The sheet 7 corresponds to the LED lamp beads 3 at each position, and each pressure-sensitive sheet 7 is connected to the storage unit, so that the LED lamp beads 3 at each position are correspondingly recorded in the storage unit. If the number of LED lamp beads is large enough , a plurality of LED lamp beads 3 will form a pressure-sensitive sensor array and record it in the storage unit. The remote control module 2 performs mode switching through the remote control, and the preset mode parameters are stored in the storage unit. It has multiple working modes. The process is described in detail as:

1. Normal mode: In this mode, the MCU microprocessor reads the preset mode parameters of the storage unit, and the MCU microprocessor controls the drive unit to configure its internal thyristor dimming circuit to output the drive current to drive three LEDs respectively. The luminous brightness of the lamp beads is composed of three LED lamp beads to output white light. The photometric sensor collects the external photometric signal and inputs the photometric signal to the MCU microprocessor. The MCU microprocessor adjusts the intensity of the white light in time to achieve energy saving. , the effect of eye protection;

2. Dazzling mode: In this mode, the MCU microprocessor reads the preset mode parameters of the storage unit, and the MCU microprocessor controls the drive unit to configure its internal thyristor dimming circuit to output the drive current to drive three The luminous brightness of the LED lamp bead is composed of three LED lamp beads and then outputs colored light. At least two kinds of colored light can be set according to the needs. The photometric sensor collects the external photometric signal and inputs the photometric signal to the MCU microprocessor. MCU The microprocessor adjusts the color light intensity in time to achieve a warm and soft indoor effect.

The utility model can adjust the bright color of the LED bulb period to process conveniently, and is manufactured according to the drawings shown in the specification.

Except for the technical features described in the manual, all are the known technologies of my professionals.

Claims (3)

1. the LED down of an adjustable bright color, comprise radiator, lampshade, protective cover and electric ballast, radiator one end is provided with PCB, radiator one end is installed fixing through PCB and lampshade top, the radiator other end is connected with electric ballast, shielding cover is located at outside lampshade, it is characterized in that, described PCB is provided with the multiple LED lamp bead sending out different colours light by pressure-sensitive sheet, PCB is also provided with remote control module, multiple LED lamp bead and remote control module are arranged in lampshade, the remote controller of remote control module and LED down outer setting is set up circuit signal and is transmitted,

Described remote control module comprises MCU microprocessor and is connected to remote control input block, driver element, memory cell and the luminosity sensor on MCU microprocessor, driver element output connects one to one the pressure-sensitive sheet of multiple LED lamp bead, luminosity sensor is for obtaining extraneous photometric signal, and memory cell is for recording pressure-sensitive sheet location parameter and preset mode parameter.

2. the LED down of a kind of adjustable bright color according to claim 1, it is characterized in that, described driver element comprises driving power and thyristor regulating optical circuit.

3. the LED down of a kind of adjustable bright color according to claim 1 and 2, is characterized in that, the remote controller of described remote control module and LED down outer setting is set up circuit signal by infrared signal and transmitted.