CN201764345U - A LED low level walkway light - Google Patents

Abstract

The utility model relates to an LED low-position footpath lamp which comprises a lamp cap, a lamp body, a power supply and a driver, wherein the lamp cap sequentially comprises an upper shell, a printed circuit board, a light source, a reflective-cup bracket, a baffle plate, a reflective cup, transparent glass and a lower cover plate from top to bottom; a light band, a light-band pressure plate, a driver bracket, a driver cover plate, a power-supply bracket, a power-supply cover plate and a manhole cover are arranged on the lamp body; an embedded microprocessor chip is arranged on the printed circuit board; the printed circuit board is respectively connected with the light source, the light band and the power supply; the light band is packaged in the lamp body through the light-band pressure plate, the driver is arranged on the driver bracket and packaged in the lamp body through the driver cover plate; and the power supply is arranged on the power-supply bracket and packaged in the lamp body through the power-supply cover plate. Compared with the prior art, the utility model has the advantages of high efficiency, energy saving, long service life, high color-rendering index, environmental protection and the like.

Description

A LED low level walkway light

technical field

The utility model relates to a walkway light, in particular to an LED low-position walkway light.

Background technique

Walkway lights are an important part of urban landscape and residential area lighting. Traditional walkway light sources usually use high-pressure sodium lamps, which consume a lot of energy and have low luminous efficiency. The disadvantages cause a huge waste of energy, which is not conducive to the construction of green and environmentally friendly cities.

Therefore, the development of new high-efficiency, energy-saving, long-life, high color rendering index, and environmentally friendly walkway lights is of great significance to urban lighting energy saving.

Contents of the invention

The purpose of this utility model is to provide a high-efficiency, energy-saving, long-life, high color rendering index, and environment-friendly LED low-level walkway lights in order to overcome the above-mentioned defects in the prior art.

The purpose of this utility model can be achieved through the following technical solutions:

An LED low-level walkway light, characterized in that it includes a lamp head, a lamp body, a power supply, and a driver. The lamp head includes an upper shell, a printed circuit board, a light source, a reflector bracket, a partition, and a reflector in sequence from top to bottom. , transparent glass, and a lower cover, the lamp body is provided with a light strip, a light strip pressure plate, a driver bracket, a driver cover, a power supply bracket, a power supply cover, and an inspection hole cover, and the printed circuit board is provided with An embedded microprocessor chip, the printed circuit board is connected to the light source, the light strip, and the power supply respectively, the light strip pressure plate encapsulates the light strip in the lamp body, the driver is arranged on the driver bracket, and passes through the driver cover The board encapsulates it in the lamp body, and the power supply is arranged on the power supply bracket, and is encapsulated in the lamp body through the power supply cover plate.

The light source is a high-efficiency white light diode synthesized by GaN-based power type blue light LED and yellow fluorescent powder.

The printed circuit board is provided with a heat dissipation plate, and the heat dissipation plate is in close contact with the light source.

Compared with the prior art, the utility model has the following advantages:

1. The utility model combines the functional lighting and the decorative lighting into one. While ensuring the functional lighting, the decorative light belt of the utility model can also beautify the environment;

2. The characteristics of the LED low-level walkway light of the present invention - the unidirectionality of light, no light diffusion, and the illumination efficiency is guaranteed;

3. Through the unique secondary optical design of the LED street light of this utility model, the light of the LED street light can be irradiated to the required lighting area, which further improves the light efficiency, so as to achieve the purpose of energy saving and ensure uniform light color without aperture;

4. The efficiency of the LED light source used in the LED low-level walkway light of the utility model has reached 100lm/W at present, and there is still a lot of room for development. Therefore, the overall light effect of LED street lights is stronger than that of high-pressure sodium lamps;

5. The light color rendering of the LED low-level walkway light of this utility model is much higher than that of the high-pressure sodium lamp. The color rendering index of the high-pressure sodium lamp is only about 23, while the color rendering index of the LED low-level walkway light reaches more than 75. From the perspective of visual psychology, it can reach the same brightness , The average illuminance of LED low-level walkway lights can be reduced by more than 20% compared with high-pressure sodium lamps;

6. The light decay of the LED low-level walkway lights of the utility model is small, and the light decay is less than 3% in one year, while the light decay of high-pressure sodium lights is large, and has dropped by more than 30% in about one year. The design can be lower than the high pressure sodium lamp;

7. The LED low-level walkway light of the utility model has an automatic control energy-saving device, which can realize the maximum possible power reduction and save electric energy under the condition of meeting the lighting requirements of different periods;

8. The LED low-level walkway light of this utility model is a low-voltage device, and the voltage to drive a single LED is a safe voltage. The power of a single LED in the series products is 1 watt, so it is a safer power supply than using a high-voltage power supply, especially suitable for Public places;

9. The utility model LED low-level trail light has a long service life: it can be used for more than 50,000 hours;

10. The utility model has high lighting efficiency for LED low-level walkways: using chips of ≥ 100 LM can save energy by more than 75% compared with traditional high-pressure sodium lamps;

11. The cooling plate of the LED low-level walkway light of the utility model and the lamp head are die-cast as a whole, and the contact gap between the cooling plate and the lamp is zero, so that the heat can be evenly conducted and dissipated through the lamp body;

12. The LED low-level walkway light of the utility model is reliable in quality: all high-quality components are used in the circuit power supply, and each LED has its own over-current protection, so there is no need to worry about damage.

Description of drawings

Fig. 1 is the structural representation of the utility model.

Detailed ways

The utility model will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

As shown in Figure 1, an LED low-level walkway light includes a lamp head, a lamp body 13, a power supply, and a driver. The lamp head includes an upper shell, a printed circuit board 1, a light source 2, and a reflector bracket 3 from top to bottom. , clapboard 4, reflective cup 5, transparent glass 6, lower cover plate 7, described lamp body is provided with light belt 14, light belt pressure plate 15, driver bracket 8, driver cover plate 9, power supply bracket 10, power supply cover Board 11, inspection hole cover 12, described printed circuit board 1 is provided with embedded microprocessor chip, described printed circuit board 1 is connected with light source 2, light belt 15, power supply respectively, described light belt pressure plate 15 The light strip 14 is encapsulated in the lamp body 13, the driver is arranged on the driver bracket 8, and is encapsulated in the lamp body 13 through the driver cover plate 9, the power supply is arranged on the power supply bracket 10, and passed through The power cover 11 is encapsulated in the lamp body.

The light source 2 is a high-efficiency white light diode synthesized by a GaN-based power type blue LED and yellow phosphor powder. It is a high-efficiency solid-state light source that can emit light with weak electric energy based on a semiconductor PN junction. Under a certain forward bias voltage and Under the injection current, the holes injected into the P area and the electrons injected into the N area diffuse to the active area and emit photons through radiative recombination, which directly converts electrical energy into light energy. It is an LED garden auxiliary street light powered by low-voltage DC.

The lamps are automatically controlled, and the embedded microprocessor chip on the printed circuit board 1 dynamically controls the dimming of the lamps at different time periods, and the main lighting can also be turned off in the middle of the night and only the decorative belt part of the lamps is lit, which serves as a road guide. The light belt can use red, green and blue LEDs as the light source to realize 7-color color changes, and the lamp decoration belt can also use a single color.

The maximum height of the whole lamp is 3.5M. The lamp body is made of aluminum alloy. The surface of the lamp body is treated with electrostatic powder coating. The body is evenly transmitted.

Claims (3)

1. LED low level Lamp for public place of entertainment, it is characterized in that, comprise lamp holder, lamp body, power supply, driver, described lamp holder comprises upper shell from top to bottom successively, printed circuit board (PCB), light source, the reflector support, dividing plate, reflector, clear glass, lower cover, described lamp body is provided with light belt, the light belt pressing plate, driver rack, the driver cover plate, power shelf, the power supply cover plate, manhole cover, described printed circuit board (PCB) is provided with the embedded microprocessor chip, described printed circuit board (PCB) respectively with light source, light belt, power supply connects, described light belt pressing plate is encapsulated in light belt in the lamp body, described driver is located on the driver rack, and it is encapsulated in the lamp body by the driver cover plate, described power supply is located on the power shelf, and is encapsulated in the lamp body by the power supply cover plate.

2. a kind of LED low level Lamp for public place of entertainment according to claim 1 is characterized in that, described light source is GaN based power type blue-ray LED and the synthetic efficient white light-emitting diodes of yellow fluorescent powder.

3. a kind of LED low level Lamp for public place of entertainment according to claim 1 is characterized in that described printed circuit board (PCB) is provided with heat sink, and this heat sink closely contacts with light source and is connected.

Images