Lamp structure

Abstract

The utility model discloses a lamp structure which comprises a shell, a circuit board, a reflecting cover and a sealing plate, the circuit board, the reflecting cover and the sealing plate are arranged in the shell, a plurality of lamp beads are arranged on the circuit board, and the lamp structure is characterized in that a heat dissipation structure is arranged on the back face of the circuit board, and a circle of surrounding plate surrounding the heat dissipation structure is arranged on the back face of the shell. The surrounding plate is provided with air holes communicated with the heat dissipation structure. According to the lamp structure, the heat dissipation structure on the back face of the shell is surrounded by the surrounding plate, the heat dissipation structure is effectively prevented from hurting people or objects, meanwhile, the heat dissipation structure is protected, the lamp structure is safer and more attractive, the heat dissipation structure can be thinner after being protected by the surrounding plate, cost is reduced, in addition, convection between the heat dissipation structure and the outside is facilitated through the vent holes, and the service life of the lamp is prolonged. And the heat dissipation effect is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to lamp technical field, concretely relates to a lamp structure. BACKGROUND

[0002] The existing lamp generally includes shell and the light source, the light cover and the sealing plate in the shell, for example, the Chinese utility model patent with the application number CN202420435376.4 discloses a kind of LED projection lamp, the front side of the main shell is provided with mounting seat and is covered by front cover, the front cover and mounting seat form installation cavity, the installation cavity is arranged with light-emitting module, the rear side of the main shell is regularly arranged with multiple radiating fins, radiating fin is integrally formed with main shell, the main shell below radiating fin is provided with drive bin, drive bin is installed with driving power supply and control circuit board, drive bin is covered by rear cover, the surface of the main shell is provided with several heat dissipation holes, heat dissipation hole is located at the outer periphery of mounting seat, heat dissipation hole is long and narrow structure, heat dissipation hole penetrates front cover.

[0003] The radiating fin of this lamp is exposed on the back of shell, when artificial assembly or accidentally touch, it is easy to cause injury to person or object, meanwhile, radiating fin can also be deformed, thereby reducing the heat dissipation effect, in addition, all exposed radiating fins are not beautiful enough. SUMMARY

[0004] In view of the deficiencies of the background art, the utility model wants to solve the technical problem to provide a kind of more safe and beautiful lamp structure.

[0005] Therefore, the utility model is realized by adopting the following technical solutions:

[0006] A kind of lamp structure, including shell and the circuit board, light cover and sealing plate in the shell, the circuit board is provided with several lamp beads, it is characterized by: the back of the circuit board is provided with heat dissipation structure, the back of the shell is provided with a surrounding heat dissipation structure with surrounding board, the surrounding board is provided with air hole with heat dissipation structure.

[0007] Further, the heat dissipation structure includes the radiating fin bonded with the circuit board, the radiating fin is provided with several upward protruding ribs, first air duct is formed between adjacent ribs, the rib is provided with heat dissipation hole along its length direction, and the heat dissipation hole forms second air duct.

[0008] Further, the surrounding board is connected with the center mounting portion by multiple connecting plates at upper end, the first bolt is provided in the center mounting portion upwards, the first nut and the first lifting ring are screwed on the first bolt, the first press riveting bolt is provided in the outer circle of the circuit board, the first press riveting bolt has the first through hole for the electric wire of the circuit board to pass through, and the connecting plate is provided with the second through hole aligned with the first through hole.

[0009] Further, the heat dissipation structure is centrally provided with a hollow part, the hollow part is provided with a cover above, the circuit board is centrally provided with a second bolt penetrating the cover, the second bolt is threadedly connected with a second nut and a second lifting ring, and a second press-in bolt is further provided on one side of the circuit board, the second press-in bolt has a third through hole through which the electric wire of the circuit board penetrates, and the cover is provided with a fourth through hole aligned with the third through hole.

[0010] Further, the circuit board is an aluminum substrate composed of a conductive layer, an insulating layer and an aluminum plate from top to bottom, and the heat dissipation fins and the aluminum plate are connected by laser welding.

[0011] Further, the heat dissipation structure is centrally provided with a hollow part, the hollow part is provided with a cover above, the circuit board is centrally provided with a second bolt penetrating the cover, the second bolt is threadedly connected with a second nut and a second lifting ring, and a second press-in bolt is further provided on one side of the circuit board, the second press-in bolt has a third through hole through which the electric wire of the circuit board penetrates, and the cover is provided with a fourth through hole aligned with the third through hole.

[0012] Further, the heat dissipation structure is centrally provided with a hollow part, the hollow part is provided with a cover above, the circuit board is centrally provided with a second bolt penetrating the cover, the second bolt is threadedly connected with a second nut and a second lifting ring, and a second press-in bolt is further provided on one side of the circuit board, the second press-in bolt has a third through hole through which the electric wire of the circuit board penetrates, and the cover is provided with a fourth through hole aligned with the third through hole.

[0013] Further, the heat dissipation structure is centrally provided with a hollow part, the hollow part is provided with a cover above, the circuit board is centrally provided with a second bolt penetrating the cover, the second bolt is threadedly connected with a second nut and a second lifting ring, and a second press-in bolt is further provided on one side of the circuit board, the second press-in bolt has a third through hole through which the electric wire of the circuit board penetrates, and the cover is provided with a fourth through hole aligned with the third through hole.

[0014] Further, the heat dissipation structure is centrally provided with a hollow part, the hollow part is provided with a cover above, the circuit board is centrally provided with a second bolt penetrating the cover, the second bolt is threadedly connected with a second nut and a second lifting ring, and a second press-in bolt is further provided on one side of the circuit board, the second press-in bolt has a third through hole through which the electric wire of the circuit board penetrates, and the cover is provided with a fourth through hole aligned with the third through hole.

[0015] Further, the heat dissipation structure is centrally provided with a hollow part, the hollow part is provided with a cover above, the circuit board is centrally provided with a second bolt penetrating the cover, the second bolt is threadedly connected with a second nut and a second lifting ring, and a second press-in bolt is further provided on one side of the circuit board, the second press-in bolt has a third through hole through which the electric wire of the circuit board penetrates, and the cover is provided with a fourth through hole aligned with the third through hole.

[0016] After the above technical scheme, the heat dissipation structure on the back of the shell is surrounded by a surrounding plate, which effectively prevents the heat dissipation structure from hurting people or objects, and protects the heat dissipation structure, which is safer and more beautiful. BRIEF DESCRIPTION OF DRAWINGS

[0017] The utility model has the following drawings:

[0018] Figure 1 It is the three-dimensional structure schematic diagram of first kind of embodiment of the utility model;

[0019] Figure 2 It is the three-dimensional structure schematic diagram of second kind of embodiment of the utility model;

[0020] Figure 3 It is the sectional structure schematic diagram of first kind of embodiment of the utility model;

[0021] Figure 4 It is the sectional structure schematic diagram of second kind of embodiment of the utility model.

[0022] 1, shell; 2, circuit board; 3, reflector; 4, sealing plate; 5, coaming; 6, air hole; 7, fin; 8, convex strip; 9, heat dissipation through hole; 10, connecting plate; 11, center mounting portion; 12, first bolt; 13, first nut; 14, first lifting ring; 15, first press-in bolt; 16, electric wire; 17, first through hole; 18, second through hole; 19, cover; 20, second bolt; 21, second nut; 22, second lifting ring; 23, second press-in bolt; 24, third through hole; 25, fourth through hole. DETAILED DESCRIPTION

[0023] In order to further illustrate the technical means and effects adopted by the utility model to achieve the predetermined utility model purposes, the specific embodiments, structures, features and effects according to the utility model are described in detail as follows in combination with the drawings and preferred embodiments.

[0024] With reference to the drawings, the lamp structure provided by the utility model comprises a shell 1 and a circuit board 2, a reflector 3 and a sealing plate 4 arranged in the shell 1, and the circuit board 2 is provided with a plurality of lamp beads, and the lamp structure is characterized in that: the back surface of the circuit board 2 is provided with a heat dissipation structure, the back surface of the shell 1 is provided with a coaming 5 surrounding the heat dissipation structure, the coaming 5 is provided with air holes 6 communicating with the heat dissipation structure, the heat dissipation structure comprises fins 7 bonded with the circuit board 2, the fins 7 are provided with a plurality of convex strips 8 protruding upward, first air ducts are formed between adjacent convex strips 8, the convex strips 8 are provided with heat dissipation through holes 9 penetrating along the length direction, the heat dissipation through holes 9 form second air ducts, the coaming 5 and the fins 7 have gaps therebetween, the fins 7 are one-piece metal sheets, the convex strips 8 are straight strips or wavy strips, the air holes 6 are long strips, the shell 1 is a disc or a polygon, the circuit board 2 and the shell 1 are bonded by glue, the circuit board 2 is an aluminum substrate, the aluminum substrate comprises a conductive layer, an insulating layer and an aluminum plate from top to bottom, and the fins 7 and the aluminum plate are laser welded.

[0025] In the embodiment, the heat dissipation structure at the back of the shell 1 is surrounded by the surrounding plate 5, which effectively prevents the heat dissipation structure from hurting people or objects, protects the heat dissipation structure, is safer and more beautiful, and can be made thinner after being protected by the surrounding plate 5, thereby reducing the cost. In addition, the setting of the air holes 6 is beneficial to the convection between the heat dissipation structure and the outside, so as to ensure the heat dissipation effect. The setting of the first and second air ducts greatly increases the contact area with air and wind flow, so that the heat dissipation structure quickly dissipates the heat generated by the lamp beads, thereby realizing the rapid cooling of the lamp beads, improving the heat dissipation effect, reducing the light decay, and prolonging the service life of the lamp. The setting of the gap avoids the blockage of the first and second air ducts, so as to ensure the normal heat dissipation of the first and second air ducts. The heat dissipation fins 7 are integrally formed metal sheets, which are more uniform in heat conduction and heat dissipation. The wavy ribs 8 can increase the contact area with air and wind flow, thereby further improving the heat dissipation effect. The air holes 6 are in the shape of a strip, which is beneficial to convection. The shell 1 is in the shape of a disc or a polygon, so that users can purchase lamps with different shapes according to their own needs, and the adaptability is stronger. The heat dissipation fins 7 and the aluminum plate are laser welded, and the two directly contact each other, thereby further reducing the heat conduction link, and making the light emitting diode lamp have a better heat dissipation effect.

[0026] Referring to Figure 1 and Figure 3 , it is the first embodiment of the utility model, in addition to including above-mentioned technical scheme, still have the following technical features, the surrounding plate 5 in upper end is connected with center installation part 11 by multiple connecting plates 10, center installation part 11 is provided with first bolt 12 upwards, first bolt 12 is screwed with first nut 13 and first lifting ring 14, the outer circle of circuit board 2 is provided with first press rivet bolt 15, first press rivet bolt 15 has first through hole 17 that the electric wire 16 of circuit board 2 passes through, connecting plate 10 is provided with second through hole 18 that aligns first through hole 17.

[0027] Referring to Figure 2 and Figure 4 , it is the second embodiment of the utility model, in addition to including above-mentioned technical scheme, still have the following technical features, the center of heat dissipation structure is provided with hollow part, and the upper portion of hollow part is provided with cover 19, the center of circuit board 2 is provided with second bolt 20 that passes through cover 19, second bolt 20 is screwed with second nut 21 and second lifting ring 22, and second press rivet bolt 23 is further provided on the one side of circuit board 2 of second bolt 20, second press rivet bolt 23 has third through hole 24 that the electric wire 16 of circuit board 2 passes through, cover 19 is provided with fourth through hole 25 that aligns third through hole 24.

[0028] The above two embodiments provide two different wiring structures to meet different needs and have stronger adaptability.

[0029] The above merely describes preferred embodiments of the present application, and is not intended to limit the present application in any form. Although the present application has been disclosed with preferred embodiments, it is not intended to limit the present application. Any person skilled in the art can make minor changes or modifications to the disclosed technical content, or make equivalent embodiments with equivalent changes, without departing from the technical solution of the present application. Any modification, equivalent change or modification of the above embodiments, which does not depart from the technical solution of the present application, is still within the scope of the technical solution of the present application.

Claims

1. A lamp structure comprising a housing, a circuit board disposed within the housing, a reflector, and a cover plate, wherein the circuit board is provided with a plurality of lamp beads, wherein: The back of the circuit board is provided with a heat dissipation structure, the back of the shell is provided with a surrounding plate surrounding the heat dissipation structure, and the surrounding plate is provided with air holes communicating with the heat dissipation structure.

2. A lamp construction according to claim 1, characterised in that: The heat dissipation structure comprises a heat dissipation fin bonded with the circuit board, the heat dissipation fin is provided with a plurality of upward protruding protrusions, the first ventilation channel is formed between adjacent protrusions, and the protrusions are provided with heat dissipation holes along the length direction.

3. A lamp construction as claimed in claim 2, characterized in that: The inner upper end of the surrounding plate is connected with a center mounting part through a plurality of connecting plates, the center mounting part is provided with a first bolt penetrating upward, the first bolt is screwed with a first nut and a first lifting ring, the outer circle of the circuit board is provided with a first press-in bolt, the first press-in bolt has a first through hole for accommodating the electric wire of the circuit board, and the connecting plate is provided with a second through hole aligned with the first through hole.

4. A lamp construction as defined in claim 2, characterized in that: The heat dissipation structure is provided with a hollow part in the center, the hollow part is provided with a cover above, the circuit board is provided with a second bolt penetrating out of the cover in the center, the second bolt is screwed with a second nut and a second lifting ring, and the circuit board on one side of the second bolt is further provided with a second press-in bolt, the second press-in bolt has a third through hole for accommodating the electric wire of the circuit board, and the cover is provided with a fourth through hole aligned with the third through hole.

5. A lamp construction as defined in claim 1, characterized in that: The circuit board is an aluminum substrate, which is composed of a conductive layer, an insulating layer and an aluminum plate from top to bottom, and the heat dissipation structure and the aluminum plate are welded by laser.

6. A lamp construction as claimed in claim 3 or 4, characterized in that: The surrounding plate and the heat dissipation fin have a gap.

7. A lamp construction as claimed in claim 3 or 4, characterized in that: The heat dissipation fin is an integrally formed metal sheet, and the protrusions are straight strips or wavy shapes.

8. A lamp construction as claimed in claim 3 or 4, characterized in that: The air holes are in the shape of a long strip.

9. A lamp construction as claimed in claim 3 or 4, characterized in that: The shell is in the shape of a disc or a polygon.

10. A lamp construction as claimed in claim 3 or 4, characterized in that: The circuit board and the shell are bonded by glue.

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