CN202392754U - Profiles for LED lighting street lights - Google Patents

Abstract

The section bar for the LED illuminating street lamp comprises a section bar main body with the same cross section at different positions along the length direction, wherein the section bar main body comprises a base plate, more than one radiating fin is symmetrically arranged on the top surface of the base plate, and adjacent radiating fins are arranged at equal height or different heights and are provided with intervals to form a radiating groove; the top ends of the radiating fins are planar or arc-shaped, and radiating edges are arranged on the radiating fins along the length direction of the section bar main body. The base plate and the radiating fins are integrally extruded by aluminum materials, each radiating fin is arranged at equal height or unequal height and is provided with a space to form a radiating groove, so that a good heat conducting effect is formed, the radiating fins on the base plate ensure sufficient radiating area, heat generated by the LED can be directly transferred to the air, and the service life of a product is prolonged; and the section bar main part can be intercepted different lengths according to the demand, makes up into the lamp body of multiple length specification LED street lighting.

Description

Profiles for LED lighting street lights

technical field

The utility model relates to a profile used for LED lighting street lamps.

Background technique

At present, LED is one of the most potential lighting sources, its development and application have matured, and it has become a trend and necessity to replace traditional light sources. However, in addition to a part of LED energy that can be converted into light energy, a considerable part of it still needs to be converted into heat energy. Therefore, the problem of heat dissipation is still a bottleneck that affects the application and development of high-power LEDs. The heat dissipation structure of LED lighting street lamps has the following two methods, one is stamping shell plus built-in radiator, the other is using die-casting lamp shell as shell and radiator, but the mold cost of the above structure is high, a single mold only One shape can be realized, but it is not easy to realize multiple combination requirements, so that the initial development cost is relatively high, and it is not convenient for mass production. Therefore, it is necessary to further improve and perfect.

Utility model content

The purpose of the utility model is to provide a profile for LED lighting street lamps with simple and reasonable structure, convenient processing, good heat dissipation effect and long service life, so as to overcome the deficiencies in the prior art.

A profile for LED lighting street lamps designed according to this purpose, including a profile body with the same cross-section at different positions along the length direction, its structural feature is that the profile body includes a base plate, and a top surface of the base plate is symmetrically arranged For the above heat dissipation fins, the adjacent heat dissipation fins are set at the same height or at different heights, and are provided with a distance to form a heat dissipation groove; the top of the heat dissipation fins is flat or arc-shaped, and the top of the heat dissipation fins is along the main body of the profile The length direction is provided with cooling ribs.

The heat dissipation ribs are corrugated or zigzag, and the number of the heat dissipation ribs is more than one, and the heat dissipation ribs are arranged symmetrically or staggered on the surface of the heat dissipation fins; the heat dissipation fins are plate-shaped, and one end of the heat dissipation fins is connected to the substrate , and set as one.

Both ends of the base plate are provided with inwardly bent heat dissipation fins, the heat dissipation fins are in the shape of an arc or a semicircle, and the distance between the two heat dissipation fins is 200mm-500mm; hole, which is located in the middle of the substrate.

A connection hole is provided between the side of the through hole and the heat dissipation fins, and the connection hole is arranged in the same direction as the through hole; The ribs.

The cross-section of the ribs is T-shaped or L-shaped, and the adjacent ribs are arranged on the left and right, and form a chute together with the through hole; the inner wall of the through hole is provided with an open groove, and the open groove is connected to the top surface of the substrate. parallel to each other.

The bottom surface of the substrate is flat, the front and rear ends or the left and right ends of the substrate are provided with a decorative cover, and the substrate is provided with a buckle that is clamped or fastened with the decorative cover; the decorative cover is made of metal material or plastic material; The profile body is aluminum or aluminum alloy profile.

In the utility model, the substrate and the cooling fins are integrally extruded from aluminum materials, and each cooling fin is set at the same height or at different heights, and is provided with a distance to form a cooling groove. Since the combined light source is directly attached to the The surface of the substrate forms a good heat conduction effect, and the heat dissipation fins on the substrate ensure sufficient heat dissipation area, which can directly transfer the heat generated by the LED to the air, prolonging the service life of the product; the heat dissipation fins are along the direction of the length of the main body of the profile There are several heat dissipation ribs, which can further improve the heat dissipation performance, improve the stability and reliability of the product; and the main body of the profile can be cut into different lengths according to the needs, and combined into a lamp body of LED lighting street lights with various length specifications. Or reduce the number of light sources, so as to easily realize the combination of multiple powers, simplify the structure, and reduce the mold cost.

Description of drawings

Fig. 1 is a schematic perspective view of an embodiment of the utility model.

FIG. 2 is a schematic diagram of the front view of FIG. 1 .

FIG. 3 is an enlarged schematic diagram of A in FIG. 2 .

In the figure: 1 is the substrate, 2 is the heat dissipation fin, 2.1 is the heat dissipation rib, 3 is the rib, 4 is the through hole, 5 is the wiring hole, 6 is the opening slot, and 7 is the buckle.

Detailed ways

Below in conjunction with accompanying drawing and embodiment the utility model is described further.

Referring to Fig. 1-Fig. 3, the profiles used for LED lighting street lamps include profile bodies with the same cross-section at different positions along the length direction, and the profile bodies are aluminum or aluminum alloy profiles. The main body of the profile includes a base plate 1 extruded from aluminum material. The bottom surface of the base plate 1 is in the shape of a flat plate. At the same time, a combined light source and a sealed lens assembly can be attached to the surface of the base plate 1 with screws. The left and right ends of the base plate 1 are provided with a decorative cover, and the base plate 1 is provided with buckles 7 which are fastened and fixed with the decorative cover, and the decorative cover is connected with the base plate 1 through the buckles 7 . The decorative cover is made of metal material or plastic material, and the decorative cover component simultaneously plays the role of decoration and protection of internal wiring from waterproofing.

The substrate 1 is provided with a through hole 4 along the length direction of the main body of the profile. The through hole 4 is square and is located in the middle of the substrate 1. An opening groove 6 is arranged on the inner wall of the through hole 4. The opening groove 6 is connected to the top surface of the substrate 1. parallel to each other. The opening slot 6 communicates with the through hole 4, and the power cord and connection terminals can be stored in the through hole 4. At least two ribs 3 are arranged on the upper part of the substrate 1 corresponding to the through hole 4. The cross section of the ribs 3 is T-shaped. 3 It can cooperate with external profiles or hooks to support the weight of lamps.

The top surface of the substrate 1 is symmetrically provided with heat dissipation fins 2 , the number of heat dissipation fins 2 is 18, and the heat dissipation fins 2 are evenly distributed on the substrate 1 . A connection hole 5 is provided between the side of the through hole 4 and the heat dissipation fin 2. The connection hole 5 and the through hole 4 are arranged in the same direction. The power output line on the combined light source enters the through hole 4 of the substrate 1 through the decorative cover. and connect with the power input line coming out from the wiring hole 5. At the same time, both ends of the base plate 1 are provided with inwardly bent heat dissipation fins 2, the heat dissipation fins 2 are arc or semicircular, and the distance between the two heat dissipation fins 2 is 300mm, which can be increased or decreased as required distance. Adjacent cooling fins 2 are set at different heights, and are provided with spacing to form a cooling groove. The top of the cooling fins 2 is arc-shaped. Since the combined light source is directly attached to the surface of the substrate 1, a good heat conduction effect is formed. , the heat dissipation fins 2 on the substrate 1 ensure sufficient heat dissipation area, which can directly transfer the heat generated by the LED to the air, prolonging the service life of the product.

The heat dissipation fins 2 are provided with several heat dissipation ribs 2.1 along the length direction of the main body of the profile, and the heat dissipation ribs 2.1 are corrugated or zigzag. The heat dissipation ribs 2.1 are arranged symmetrically or staggeredly on the surface of the heat dissipation fins 2. The heat dissipation fins 2 are plate-shaped, and one end of the heat dissipation fins 2 is connected to the substrate 1 and is integrally arranged. The heat dissipation ribs 2.1 can further improve the heat dissipation performance. Thereby prolonging the working life of LED lighting street lamps and improving the stability and reliability of products.

Claims (7)

1. section bar that is used for the LED illuminating street lamp; Comprise that along its length diverse location has the section bar main body of identical cross-section, it is characterized in that said section bar main body comprises substrate (1); The end face of substrate (1) is symmetrically arranged with more than one radiating fin (2); Adjacent radiating fin (2) is to wait high setting or do not wait high setting, and is provided with spacing, forms a radiating groove; The top of radiating fin (2) is planar shaped or arc, and the direction of radiating fin (2) upper edge section bar principal length is provided with heat radiation rib (2.1).

2. according to the said section bar that is used for the LED illuminating street lamp of claim 1; It is characterized in that said heat radiation rib (2.1) is corrugated or zigzag; The number of this heat radiation rib (2.1) is more than one, and heat radiation rib (2.1) is symmetrical set or staggers and is arranged on the surface of radiating fin (2); Radiating fin (2) is tabular, and an end of radiating fin (2) links to each other with substrate (1), and for being wholely set.

3. according to claim 1 or the 2 said section bars that are used for the LED illuminating street lamp; The two ends that it is characterized in that said substrate (1) are provided with aduncate radiating fin (2); Radiating fin (2) is for being circular arc or semicircle shape, and the distance between two radiating fins (2) is 200mm-500mm; Substrate (1) is provided with through hole (4) along the direction of section bar principal length, and this through hole (4) is positioned at the medium position of substrate (1).

4. according to the said section bar that is used for the LED illuminating street lamp of claim 3, it is characterized in that being provided with wiring hole (5) between side and the radiating fin (2) of said through hole (4), this wiring hole (5) is setting in the same way with through hole (4); Through hole (4) is square, circle or oval, and the top of the corresponding through hole of substrate (1) (4) is provided with more than one convex tendon (3).

5. according to the said section bar that is used for the LED illuminating street lamp of claim 4, it is characterized in that the cross section of said convex tendon (3) is T-shaped or L shaped, adjacent convex tendon (3) is provided with about being, and constitutes a chute jointly with through hole (4); The inwall of through hole (4) is provided with open slot (6), and this open slot (6) is parallel to each other with the end face of substrate (1).

6. according to the said section bar that is used for the LED illuminating street lamp of claim 5; The bottom surface that it is characterized in that said substrate (1) is tabular; The front and back end of substrate (1) or about the end be provided with trim, substrate (1) is provided with the buckle (7) that connects and fixes or be fastened with trim; Trim is processed by metal material or plastic material.

7. according to the said section bar that is used for the LED illuminating street lamp of claim 1, it is characterized in that said section bar main body is the aluminum or aluminum alloy section bar.

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