CN206018335U - line light - Google Patents

Abstract

The utility model aims to provide a line light source, which comprises a fixed outlet seat; the aviation head is installed on the wire outlet fixing seat, the lower portion of the aviation head is connected with a power supply, the wire outlet fixing seat is installed on the heat dissipation base, the upper end of the heat dissipation base is a light bar, the light bar is connected with the aviation head through a wire, an LED lamp is arranged on the light bar, the upper portion of the LED lamp is a light gathering rod, and the light gathering rod is arranged in the line light source wire outlet box. The utility model has the advantages that: the heat dissipation base is the major structure of light source, compares the great increase fin of traditional fin and the area of contact of air, and the both sides of heat dissipation base have designed broadening type radiating groove, can have better air mobility under the natural heat dissipation condition. The top of the LED lamp is a PCB aluminum substrate, the LED lamp is arranged in a small-spacing linear array in the middle, and a constant current chip is added to each string of LED circuits for constant current by the PCB aluminum substrate, so that the brightness of the LEDs in each string of circuits is more consistent, and the uniformity of light emission of the light source is higher.

Description

line light

technical field

The utility model relates to the technical field of line light sources, in particular to a high-performance line light source.

Background technique

The traditional line light source structure, the direct contact part of the heat sink and the air is only the bottom, the heat dissipation area is small, and the heat dissipation speed is far from enough for the LED to heat up, resulting in excessive temperature accumulation of the LED and brightness attenuation or damage to the LED. The lifespan cannot meet the high requirements of customers; the light bar without constant current treatment makes the luminous stability and uniformity of the light source low. The new structure and many details of the FST high-brightness line light source make the light source 30% brighter than the traditional line light source, with higher uniformity, stability and longer service life.

Utility model content

The purpose of this utility model is to provide a line light source, which is characterized in that it includes

Outlet fixing seat;

The aviation head is installed on the outlet fixing seat, and its lower part is connected to the power supply. The outlet fixing seat is installed on the heat dissipation base. The upper end of the heat dissipation base is a light bar. The light bar and the aviation head are connected by wires, and the light bar is equipped with LED lights. , the upper part of the LED lamp is a spotlight rod, and the spotlight stick is arranged in the outlet box of the line light source.

The outlet box of the line light source is composed of a U-shaped long groove formed on the top of the heat dissipation base, side plates installed on both sides of the U-shaped long groove, a light-transmitting diffusion plate, a left end plate, and a right end plate. The left end plate and the right end plate are respectively The screw is fixed to the U-shaped long groove, the side plate and the light-transmitting diffusion plate, and the light-transmitting diffusion plate is fixed to the side plate.

Screw holes are arranged on both side guards of the U-shaped long groove, and the side plates are fixed with the screw holes provided on the two sides of the U-shaped long groove by screws.

A U-shaped groove is arranged on the inner side of the side plate near the top, and the light-transmitting diffuser plate is installed in the U-shaped groove.

The light bar is composed of a heat-conducting coating and a PCB aluminum substrate. The heat-conducting coating is connected to the heat-dissipating base. The heat-conducting coating is a PCB aluminum substrate, and the PCB aluminum substrate is provided with LED lights. The LED lights are arranged in a small-pitch linear array in the middle .

There are several LED lamps.

The inner side of the side plate is provided with a reflective film, and the inner side panel is also provided with a groove for positioning and installing a spotlight rod.

Both sides of the heat dissipation base are provided with widened heat dissipation grooves.

The beneficial effects of the utility model are:

1) The heat dissipation base is the main structure of the light source. Compared with the traditional heat sink, the contact area between the heat sink and the air is greatly increased. Widened heat dissipation grooves are designed on both sides of the heat dissipation base, which can have better heat dissipation under natural heat dissipation. air mobility.

2) The top of the LED light is the PCB aluminum substrate, and the LED lights are arranged in the center of a small-pitch linear array. The PCB aluminum substrate adds a constant current chip to each string of LED circuits for constant current, making the LED brightness in each string of circuits more bright. Consistent, the uniformity of the light source is higher.

Description of drawings

The accompanying drawings described here are used to provide a further understanding of the utility model, constitute a part of the application, and do not constitute an improper limitation of the utility model. In the accompanying drawings:

Fig. 1 is a schematic diagram of the explosive structure of the line light source provided by the embodiment of the present invention;

Fig. 2 is a cross-sectional view of the line light source provided by the embodiment of the utility model;

Fig. 3 is an overall appearance diagram of the line light source provided by the embodiment of the present invention.

detailed description

The utility model will be described in detail below in conjunction with the accompanying drawings and specific embodiments. The schematic embodiments and descriptions of the utility model are used to explain the utility model, but not as a limitation to the utility model.

Referring to Figures 1 and 2, the line light source includes

Outlet fixing seat 8;

The aviation head 9 is installed on the outlet fixing seat 8, and its lower part is connected to the power supply. The outlet fixing seat 8 is installed on the heat dissipation base 7. The upper end of the heat dissipation base 7 is a light bar 6, and the light bar 6 and the aviation head 9 are connected by wires. , LED lights 12 are arranged on the light bar 6, and the upper part of the LED lights 12 is a spotlight rod 2, and the spotlight stick 2 is set in the outlet box of the line light source.

The outlet box of the line light source is composed of a U-shaped long groove formed on the top of the heat dissipation base 7, side plates 4 installed on both sides of the U-shaped long groove, a light-transmitting diffusion plate 3, a left end plate 1 and a right end plate 5. The plate 1 and the right end plate 5 are respectively fixed to the U-shaped long groove, the side plate 4 and the light-transmitting diffusion plate 3 by screws, and the light-transmitting diffusion plate 3 is fixed to the side plate 4 .

Screw holes are arranged on the two side guards of the U-shaped long groove, and the side plate 4 is fixed with the screw holes provided on the two side guards of the U-shaped long groove by screws.

A U-shaped groove is provided on the inner side of the side plate 4 near the top, and the light-transmitting diffuser plate 3 is installed in the U-shaped groove.

The light bar 6 is composed of a thermally conductive coating 10 and a PCB aluminum substrate 11. The thermally conductive coating 10 is connected to the heat dissipation base 7, on which is a PCB aluminum substrate 11, and an LED lamp 12 is arranged on the PCB aluminum substrate 11. The LED lamp 12 is The fine-pitch linear arrays are arranged in the center.

The inner side of the side plate 4 is provided with a reflective film, and the inner side panel is also provided with a groove 14 for positioning and installing the focusing rod 2 .

Both sides of the heat dissipation base 7 are provided with widened heat dissipation grooves 13 .

The heat dissipation base 7 in this technical solution is the main structure of the light source. Compared with the traditional heat sink, the contact area between the heat sink and the air is greatly increased. Widened heat dissipation grooves 13 are designed on both sides of the heat dissipation base 7. In the case of natural heat dissipation Allows for better air flow.

The top of the LED lamp 12 in this technical solution is the PCB aluminum substrate 11, and the LED lamps 12 are arranged in a small-pitch linear array in the center, and several LED lamps 12 are arranged. The PCB aluminum substrate 11 adds a constant current chip in each string of LED circuits to perform constant current, so that the brightness of the LEDs in each string of circuits is more consistent, and the uniformity of light emission of the light source is higher.

After the heat dissipation base 7 in this technical solution is processed and oxidized, the surface of the groove 14 is re-polished, and a heat-conducting coating 10 made of heat-conducting silicone paste is added between the light bar 6 and the heat dissipation base 7 to fill the light bar 6 and heat dissipation. The fine gaps between the bases 7 enable the LED lamp 12 to better contact the surface of the heat dissipation base 7 , greatly improving the heat conduction capacity of the PCB aluminum substrate 11 to the heat dissipation base 7 , thereby improving the service life of the LED lamp 12 .

In this technical solution, a layer of reflective film is pasted on the side plate 4 to reflect excess light from the LED lamp 12, reduce the accumulated heat generated by the side plate due to the absorption of residual light, and improve the overall heat dissipation performance of the light source.

The light source wiring method in this technical solution is changed from the traditional lead wire method to the aviation head connector method, which makes the light source components more replaceable, and the maintenance of the light source line becomes easier after damage.

Referring to FIG. 3 , FIG. 3 is an overall appearance view of the line light source provided by the embodiment of the present invention, and the aviation head 9 is arranged on the side of the heat dissipation base 7 .

The technical solutions provided by the embodiments of the present invention have been introduced in detail above. The principles and implementation methods of the embodiments of the present invention have been explained by using specific examples in this paper. The descriptions of the above embodiments are only applicable to help understand the present invention. The principle of the embodiment; at the same time, for those of ordinary skill in the art, according to the embodiment of the present invention, there will be changes in the specific implementation and the scope of application. Utility model restrictions.

Claims (8)

1. A line light source, characterized in that it comprises Outlet fixing seat (8); The aviation head (9) is installed on the outgoing line fixing seat (8), and its lower part is connected to the power supply. The outgoing line fixing seat (8) is installed on the heat dissipation base (7), and the upper end of the heat dissipation base (7) is a light bar (6). The light bar (6) and the aviation head (9) are connected by wires, the light bar (6) is provided with an LED light (12), and the upper part of the LED light (12) is a spotlight stick (2), and the spotlight The rod (2) is arranged in the outlet box of the line light source. 2. The linear light source according to claim 1, characterized in that, the outlet box of the linear light source is composed of a U-shaped long groove formed on the top of the heat dissipation base (7), side plates (4) installed on both sides of the U-shaped long groove ), a light-transmitting diffuser plate (3), a left end plate (1) and a right end plate (5). and the light-transmitting diffusion plate (3) are fixed, and the light-transmitting diffusion plate (3) and the side plate (4) are fixed. 3. The line light source according to claim 2, characterized in that screw holes are provided on both side guards of the U-shaped long groove, and the side plate (4) is connected to the two side guards of the U-shaped long groove by screws. The set screw holes are fixed. 4. The linear light source according to claim 2, characterized in that a U-shaped groove is provided on the inner side of the side plate (4) near the top, and the light-transmitting diffuser plate (3) is installed in the U-shaped groove. 5. The linear light source according to claim 1, characterized in that, the light bar (6) is composed of a thermally conductive coating (10) and a PCB aluminum substrate (11), and the thermally conductive coating (10) and the heat dissipation base (7 ) connection, the heat-conducting coating (10) is the PCB aluminum substrate (11), the PCB aluminum substrate (11) is provided with LED lights (12), and the LED lights (12) are arranged in the center in a small-pitch linear array. 6. The linear light source according to claim 1, characterized in that there are several LED lamps (12). 7. The linear light source according to claim 2 or 4, characterized in that, the inner side of the side plate (4) is provided with a reflective film, and the inner side panel is also provided with a groove for positioning and installing the spotlight rod (2) (14). 8. The linear light source according to claim 1, characterized in that widened heat dissipation grooves (13) are provided on both sides of the heat dissipation base (7).