CN211475645U

CN211475645U - High-efficient radiating high-power square LED projecting lamp

Info

Publication number: CN211475645U
Application number: CN202020198975.0U
Authority: CN
Inventors: 李玲; 程振华; 徐凌智; 汪玉平; 陈伟民
Original assignee: Senben Lighting Co ltd
Current assignee: Senben Lighting Co ltd
Priority date: 2020-02-24
Filing date: 2020-02-24
Publication date: 2020-09-11
Anticipated expiration: 2030-02-24

Abstract

The utility model provides a high-efficient radiating high-power square LED projecting lamp, include: the lamp comprises a square lampshade, a rear cover hinged with the top of the square lampshade and a base arranged at the bottom of the rear cover; the LED lamp comprises a square lampshade, a plurality of LED lamp beads, a plurality of LED; the back of the square circuit board is provided with a plurality of low-thermal-resistance raised lines and a plurality of radiating fins, and the plurality of low-thermal-resistance raised lines and the plurality of rows of LED lamp beads are arranged in a front-back corresponding mode. The high-power square LED projection lamp with high-efficiency heat dissipation of the utility model reduces the heat resistance from the LED lamp bead to the radiating fins by arranging the low-heat-resistance raised lines and the radiating fins on the back of the square circuit board, so that the heat is effectively conducted to the radiating fins for heat dissipation; and the LED projection lamp has the advantages of simple structure, convenient use and good heat dissipation effect, and greatly prolongs the service life of the high-power LED projection lamp.

Description

High-efficient radiating high-power square LED projecting lamp

Technical Field

The utility model relates to a LED lighting technology field especially relates to a high-efficient radiating high-power square LED projecting lamp.

Background

With the rapid development of LED lighting technology, the production technology of various LED high-power light sources is becoming mature day by day, and 300-.

The heat dissipation mode adopted by the high-power LED projection lamp at present mainly comprises the steps of natural convection heat dissipation of integration of a lamp holder and heat dissipation fins, forced heat dissipation of the fins with fans and the like. The lamp holder and the radiating fins are integrated in a natural convection radiating mode, so that the cost is high, the arrangement of the radiating fins does not well consider the using mode of a lamp, and the balance of convection radiating and heat transfer is often neglected, so that the radiating effect of the fins is influenced; the forced heat dissipation mode of the fins with the fans is complex in system, low in reliability and needing frequent maintenance, so that the number of the fins is small.

Therefore, the quality of the heat dissipation effect has great influence on the use condition and the service life of the existing high-power LED projection lamp, and the traditional LED projection lamp has the advantages of complex and heavy structure, slow heat dissipation, high failure rate and short service life. Therefore, it is necessary to improve the heat dissipation structure of the existing high-power LED projection lamp.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that will solve is: aiming at the defects of the prior art, the high-efficiency heat-dissipation high-power square LED projection lamp is provided.

The utility model discloses a solve above-mentioned technical problem and adopt following technical scheme:

the utility model provides a high-efficient radiating high-power square LED projecting lamp, include: the lamp comprises a square lampshade, a rear cover hinged with the top of the square lampshade and a base arranged at the bottom of the rear cover; the LED lamp comprises a square lampshade, a plurality of LED lamp beads; the back of the square circuit board is provided with a plurality of low-thermal-resistance raised lines and a plurality of radiating fins, and the low-thermal-resistance raised lines and the rows of the LED lamp beads are arranged in a front-back corresponding mode.

Furthermore, on the high-efficiency heat-dissipation high-power square LED projection lamp, the heat dissipation fins are vertically arranged on the low-thermal-resistance convex strips and the square circuit board.

Furthermore, on the high-efficiency heat-dissipation high-power square LED projection lamp, the heat dissipation fins are inclined relative to the length direction of the circuit board, and the inclination angle alpha is 45-60 degrees.

Furthermore, on the high-efficiency heat-dissipation high-power square LED projection lamp, the inclination angle beta of the condenser lens relative to the inner side wall of the square lampshade is 40-50 degrees.

Furthermore, on the high-efficiency heat-dissipation high-power square LED projection lamp, a protective cover is arranged at an opening of the square lampshade, and the protective cover is composed of tempered glass and an explosion-proof membrane arranged on the inner side of the tempered glass.

Furthermore, on the high-efficiency heat-dissipation high-power square LED projection lamp, the top of the square lampshade is hinged with the top of the rear cover through a hinge, and the lower end of the square lampshade rotates by taking the upper end of the square lampshade as a central shaft.

Preferably, the high-efficiency heat-dissipation high-power square LED projection lamp is provided with a base, a lower end of the square lampshade is movably arranged on the base, and two ends of the bottom of the square lampshade are respectively provided with a first rubber pad.

Furthermore, on the high-efficiency heat-dissipation high-power square LED projection lamp, a driver is arranged in the rear cover and is electrically connected with the square circuit board.

Further, on the high-power square LED projection lamp with high heat dissipation efficiency, the back of the rear cover is provided with heat dissipation holes which are circular holes or strip-shaped holes.

Furthermore, on the high-efficiency heat-dissipation high-power square LED projection lamp, second rubber pads are respectively arranged at four corners of the bottom of the base.

The utility model adopts the above technical scheme, compare with prior art, have following technological effect:

the high-power square LED projection lamp with high-efficiency heat dissipation of the utility model has the advantages that the heat of the LED lamp beads is diffused along the low-heat-resistance raised lines with low diffusion by arranging the low-heat-resistance raised lines and the heat dissipation fins on the back of the square circuit board, so that the heat from the LED lamp beads to the heat dissipation fins is reduced, and the heat is effectively conducted to the heat dissipation fins for heat dissipation; and the high-power square LED projection lamp has the advantages of simple structure, convenience in use and good heat dissipation effect, and the service life of the high-power LED projection lamp is greatly prolonged.

Drawings

Fig. 1 is a schematic view of the overall structure of a high-power square LED projector with high heat dissipation efficiency of the present invention;

fig. 2 is a schematic structural diagram of a square circuit board in the high-efficiency heat-dissipation high-power square LED projector of the present invention;

fig. 3 is a schematic cross-sectional structural view of a high-power square LED projector with efficient heat dissipation according to the present invention;

fig. 4 is a schematic structural diagram of a rear cover in the high-efficiency heat-dissipating high-power square LED projection lamp of the present invention;

wherein the reference symbols are:

10-square lampshade, 11-square circuit board, 12-LED lamp bead, 13-condenser lens, 14-protective cover, 15-low thermal resistance raised line, 16-radiating fin, 17-toughened glass, 18-explosion-proof film, 19-first rubber pad, 20-rear cover, 21-hinge, 22-driver, 23-radiating hole; 30-base, 31-second rubber pad.

Detailed Description

The technical solution of the present invention will be further described in detail with reference to the accompanying drawings.

Referring to fig. 1-2, the present embodiment provides a high-power square LED projector with high heat dissipation efficiency, which includes: the lamp comprises a square lampshade 10, a rear cover 20 hinged with the top of the square lampshade 10 and a base 30 arranged at the bottom of the rear cover 20; the LED lamp comprises a square lampshade 10, a square circuit board 11, a plurality of rows of LED lamp beads 12, and condenser lenses 13, wherein the square circuit board 11 is arranged in the middle of the square lampshade 10, the rows of LED lamp beads 12 are uniformly distributed on the front surface of the square circuit board 11, and the four sides of the square circuit board 11 are obliquely provided with the condenser lenses 13; the back of the square circuit board 11 is provided with a plurality of low thermal resistance protruding strips 15 and a plurality of radiating fins 16, and the low thermal resistance protruding strips 15 and the rows of the LED lamp beads 12 are arranged in a front-back corresponding mode. This high-efficient radiating high-power square LED projecting lamp sets up low thermal resistance sand grip 15 and radiating fin 16 through the back at square circuit board 11 for the heat of LED lamp pearl 12 is along the low thermal resistance sand grip 15 diffusion of low diffusion, reduces LED lamp pearl to radiating fin 16's thermal resistance, makes the heat effectively conduct and dispels the heat on radiating fin 16, has prolonged the life of high-power LED projecting lamp greatly.

In the present embodiment, as shown in fig. 2-3, the heat dissipation fins 16 are vertically disposed on the low thermal resistance protruding strips 15 and the square circuit board 11, and the low thermal resistance protruding strips 15 and the heat dissipation fins 16 are made of aluminum or aluminum alloy, which has low thermal resistance, good thermal conductivity and low cost. In addition, the heat dissipation fins 16 are inclined relative to the length direction of the circuit board 1, and the inclination angle α is 45-60 °; preferably, the inclination angle α is 50 °. The inclination angle beta of the condenser 13 relative to the inner side wall of the square lampshade 10 is 40-50 degrees; preferably, the inclination angle α is 45 °.

In this embodiment, please refer to fig. 1 and 3, a protective cover 14 is disposed at an opening of the square lampshade 10, and the protective cover 14 is composed of tempered glass 17 and an explosion-proof membrane 18 disposed inside the tempered glass 17.

In the present embodiment, please refer to fig. 1, the top of the square lampshade 10 is hinged to the top of the rear cover 20 through a hinge 21, and the lower end of the square lampshade 10 rotates around the upper end thereof. The lower end of the square lampshade 10 is movably arranged on the base 30, and the two ends of the bottom of the square lampshade are respectively provided with a first rubber pad 19. When the square lampshade is used, the square lampshade 10 is lifted up slightly by hand according to needs, the irradiation direction of the square lampshade 10 is rotated to a moving angle and then placed on the corresponding position of the base 30, and the first rubber gasket 19 has a certain friction force, so that the square lampshade 10 can be effectively prevented from sliding on the base 30.

In the present embodiment, referring to fig. 1 and fig. 4, a driver 22 is disposed in the rear cover 20, and the driver 22 is electrically connected to the square circuit board 11. And the back of the rear cover 20 is provided with a heat dissipation hole 23, and the heat dissipation hole 23 is a circular hole or a strip-shaped hole. And second rubber pads 31 are respectively arranged at four corners of the bottom of the base 30.

According to the high-efficiency heat-dissipation high-power square LED projection lamp provided by the embodiment, the low-thermal-resistance convex strips 15 and the heat dissipation fins 16 are arranged on the back of the square circuit board 11, so that the heat of the LED lamp beads 12 is diffused along the low-thermal-resistance convex strips 15 with low diffusion, the thermal resistance from the LED lamp beads 12 to the heat dissipation fins 16 is reduced, and the heat is effectively conducted to the heat dissipation fins 16 for heat dissipation; and the square lampshade 10 of the high-power square LED projection lamp and the rear cover 20 for installing the driver 22 are relatively separated by a certain distance, so that the heat dissipation space of the LED lamp bead 12 and the driver 22 is improved, the structure is simple, the use is convenient, the heat dissipation effect is good, and the service life of the high-power LED projection lamp is greatly prolonged.

The present invention has been described in detail with reference to the specific embodiments, but the present invention is only by way of example and is not limited to the specific embodiments described above. Any equivalent modifications and substitutions to those skilled in the art are intended to be within the scope of the present invention. Accordingly, variations and modifications in equivalents may be made without departing from the spirit and scope of the invention, which is intended to be covered by the following claims.

Claims

1. The utility model provides a square LED projecting lamp of high-efficient radiating high-power which characterized in that includes: the lamp comprises a square lampshade (10), a rear cover (20) hinged with the top of the square lampshade (10), and a base (30) arranged at the bottom of the rear cover (20); the LED lamp comprises a square lampshade (10), wherein a square circuit board (11) is arranged in the middle of the square lampshade (10), a plurality of rows of LED lamp beads (12) are uniformly distributed on the front surface of the square circuit board (11), and condenser lenses (13) are obliquely arranged on four sides of the square circuit board (11); the back of the square circuit board (11) is provided with a plurality of low-thermal-resistance convex strips (15) and a plurality of radiating fins (16), and the low-thermal-resistance convex strips (15) and the rows of the LED lamp beads (12) are arranged in a front-back corresponding mode.

2. The high power square LED spot light with high heat dissipation efficiency as claimed in claim 1, wherein the heat dissipation fins (16) are vertically arranged on the low thermal resistance ribs (15) and the square circuit board (11).

3. The high-power square LED spot light with high heat dissipation efficiency as claimed in claim 1, wherein the heat dissipation fins (16) are inclined at an angle α of 45-60 ° with respect to the length direction of the circuit board (1).

4. The high power square LED spot light with high heat dissipation efficiency as claimed in claim 1, wherein the inclination angle β of the condenser lens (13) relative to the inner side wall of the square lampshade (10) is 40-50 °.

5. The high-power square LED projection lamp with the high-efficiency heat dissipation function according to claim 1, characterized in that a protective cover (14) is arranged at the opening of the square lampshade (10), and the protective cover (14) is composed of tempered glass (17) and an explosion-proof film (18) arranged on the inner side of the tempered glass (17).

6. The high-power square LED projection lamp with the high-efficiency heat dissipation function according to claim 1, characterized in that the top of the square lampshade (10) is hinged with the top of the rear cover (20) through a hinge (21), and the lower end of the square lampshade (10) rotates by taking the upper end thereof as a central shaft.

7. The high-power square LED spot light with high heat dissipation efficiency as claimed in claim 6, wherein the lower end of the square lampshade (10) is movably arranged on the base (30), and the two ends of the bottom of the square lampshade are respectively provided with a first rubber pad (19).

8. The high power square LED spot light with high heat dissipation efficiency as claimed in claim 1, wherein a driver (22) is arranged in the rear cover (20), and the driver (22) is electrically connected with the square circuit board (11).

9. The high-power square LED spot light with high heat dissipation efficiency as claimed in claim 1, wherein the back of the rear cover (20) is provided with heat dissipation holes (23), and the heat dissipation holes (23) are circular holes or strip-shaped holes.

10. The high-power square LED spot light with high heat dissipation efficiency as claimed in claim 1, wherein the four corners of the bottom of the base (30) are respectively provided with a second rubber pad (31).