Wall washing lamp body

Abstract

The utility model discloses a wall washing lamp body which comprises a plastic lamp shell, and a U-shaped protruding ring is arranged on the edge of the top wall of the plastic lamp shell. A heat dissipation strip-shaped groove is formed in the plastic lamp shell, and a graphene radiator is arranged at the top of an inner cavity of the plastic lamp shell; an aluminum cup is stamped and fixed at the upper part of the inner wall of the plastic lamp shell; vent holes are formed in the edge of the top surface of the aluminum cup; a face ring is arranged on the bottom face of the plastic lamp shell, strip-shaped through holes are formed in the face ring, and the strip-shaped through holes and the air holes form a convection heat dissipation channel. A gap is formed between the edge of the graphene radiator and the inner wall of the plastic lamp shell; the LED light source plate is attached to the bottom face of the top wall of the aluminum cup. The LED lamp is reasonable in structural arrangement, the machining cost is reduced, the heat dissipation contact area is increased, the heat dissipation effectiveness is improved, a ventilation heat dissipation channel can be formed in the gap between the edge of the graphene heat dissipation device and the inner wall of the plastic lamp shell, the heat dissipation and ventilation effects are improved through cooperation with the graphene heat dissipation device, and the service life of the LED lamp is prolonged. And passing of 3C authentication is facilitated.

Description

Technical Field

[0001] This utility model belongs to the field of wall washer light technology, and specifically relates to a wall washer light body. Background Technology

[0002] Wall washer downlights are a common type of decorative lighting fixture. Their lamp bodies are made of aluminum alloy through die casting and have an integrated heat sink, as shown in CN201810294026.X. Although they can meet general usage needs, their processing costs are high and their cost-effectiveness is low. Moreover, the traditional aluminum alloy lamp body is not conducive to passing 3C certification. In actual applications, the heat around the LED beads is greater than the surrounding heat, which also affects the heat dissipation performance of the overall structure, thus limiting their applicability. Utility Model Content

[0003] The purpose of this utility model is to provide a wall washer light body with a reasonable structural design that helps reduce costs.

[0004] The technical solution to achieve the purpose of this utility model is a wall washer light body, including a plastic lamp shell, wherein a downwardly protruding U-shaped ring is integrally formed at the top edge of the plastic lamp shell.

[0005] The top edge of the plastic lamp housing and the side wall of the U-shaped convex ring are both provided with heat dissipation strip grooves that communicate with the inner cavity of the plastic lamp housing.

[0006] A graphene heat sink is provided at the top of the inner cavity of the plastic lamp housing.

[0007] An aluminum cup is stamped and fixed on the upper part of the inner wall of the plastic lamp housing, and a vent hole is opened on the top edge of the aluminum cup.

[0008] The bottom surface of the plastic lamp housing is provided with a face ring, and the face ring is provided with a strip-shaped through hole. The strip-shaped through hole and the vent hole form a convection heat dissipation channel.

[0009] The top surface of the aluminum cup is attached to the bottom surface of the graphene heat sink, and a gap is provided between the edge of the graphene heat sink and the inner wall of the plastic lamp housing.

[0010] The heat dissipation grooves and vents are both located in the gaps;

[0011] The LED light source board is attached to the top and bottom surfaces of the aluminum cup, and the screws of the LED light source board pass through the top surface of the aluminum cup and are fixed to the top surface of the plastic lamp housing.

[0012] A further preferred embodiment is that the height of the graphene heat sink is greater than the height of the U-shaped convex ring, and the diameter of the graphene heat sink is smaller than the inner diameter of the plastic lamp housing.

[0013] A further preferred embodiment is that the top surface of the aluminum cup, the edge of the graphene heat sink, and the upper part of the side wall of the plastic lamp housing are all provided with wire mounting holes.

[0014] A further preferred embodiment is that the vent holes on the aluminum cup are circular holes or strip-shaped slots.

[0015] A further preferred embodiment is that a gap is provided between the top edge of the aluminum cup and the bottom surface of the U-shaped convex ring.

[0016] A further preferred embodiment is that: a buckle protrusion is provided on the upper part of the outer wall of the face ring, and a buckle groove is provided on the inner wall of the plastic lamp housing;

[0017] The upper part of the face ring is inserted into the plastic lamp housing and positioned by being snapped into the buckle groove by the buckle protrusion.

[0018] A further preferred embodiment is that a light guide cover is connected to the face ring by screws;

[0019] The inner ring edge of the face ring is integrally formed with a raised edge, and a gap is provided between the raised edge and the light guide cover.

[0020] This utility model has the following positive effects: Its structure is rationally designed, including a plastic lamp housing with an aluminum cup stamped on the inner wall of the plastic lamp housing. Compared to traditional aluminum heat sinks, this reduces processing costs. A graphene heat sink is located on the bottom surface of the plastic lamp housing, with the top surface of the aluminum cup contacting the graphene heat sink, increasing the contact area for heat dissipation and thus improving heat dissipation effectiveness. A U-shaped protrusion is located on the top edge of the plastic lamp housing, and heat dissipation grooves are present on the U-shaped protrusion and the top edge. These, along with vent holes on the aluminum cup and strip-shaped through holes on the face ring, form a convection heat dissipation channel, further enhancing heat dissipation performance. A breathable heat dissipation channel is also formed through the gap between the edge of the graphene heat sink and the inner wall of the plastic lamp housing. This, combined with the graphene heat sink, improves both heat dissipation and breathability, facilitates 3C certification, ensures stable and reliable operation, and has strong applicability. Attached Figure Description

[0021] To make the content of this utility model easier to understand, the present utility model will be further described in detail below with reference to specific embodiments and accompanying drawings, wherein:

[0022] Figure 1 This is a schematic diagram of the structure of this utility model;

[0023] Figure 2 This is a schematic diagram of the disassembled structure of this utility model;

[0024] Figure 3 This is a cross-sectional structural diagram of the present invention;

[0025] Figure 4 This is a schematic diagram of the specific structure of the plastic lamp housing in this utility model;

[0026] Figure 5 This is a schematic diagram showing the disassembled structure of the plastic lamp housing, graphene heat sink, and aluminum cup in this utility model.

[0027] Figure 6 This is a cross-sectional structural diagram of the plastic lamp housing, graphene heat sink, and aluminum cup in this utility model.

[0028] Reference numerals: 1. Plastic lamp housing; 2. U-shaped convex ring; 3. Heat dissipation strip groove; 4. Graphene heat sink; 5. Aluminum cup; 6. Vent hole; 7. Gap; 8. LED light source board; 9. Screw; 10. Wire mounting hole; 11. Face ring; 12. Strip through hole; 13. Buckle protrusion; 14. Buckle groove; 15. Light guide cover; 16. Gap; 17. Protruding edge. Detailed Implementation

[0029] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0030] Example

[0031] See Figures 1 to 6 As shown, a wall washer light body includes a plastic lamp housing 1. In this embodiment, the plastic lamp housing is circular, which is a conventional structure in the prior art, so it is not described in detail. Furthermore, a C-shaped clip for mounting a lens is provided on its inner wall. The plastic lamp housing has an integrally formed U-shaped protrusion 2 at the top edge of the wall. The width and depth of the U-shaped protrusion can be set as needed. During processing, heat dissipation grooves 3 that communicate with the inner cavity of the plastic lamp housing are provided on the top edge of the plastic lamp housing and the side wall of the U-shaped protrusion. The U-shaped protrusion and the heat dissipation grooves can ensure the effectiveness of heat dissipation. During assembly, a graphene heat sink 4 is provided at the top of the inner cavity of the plastic lamp housing. An aluminum cup 5 is stamped and fixed on the upper part of the inner wall of the plastic lamp housing. A vent hole 6 is opened on the top edge of the aluminum cup. In this embodiment, the graphene heat sink can not only increase the weight of the entire lamp body, but also increase the contact area with the aluminum cup, thereby improving the effectiveness of heat dissipation. The above structure is also conducive to passing 3C certification. The thickness of the aluminum cup can be processed and set as needed. It is stamped into the plastic lamp housing by a stamping structure to form a plastic-coated aluminum whole.

[0032] The bottom surface of the plastic lamp housing is provided with a face ring 11, and the face ring is provided with a strip-shaped through hole 12. The strip-shaped through hole and the vent hole form a convection heat dissipation channel. The strip-shaped through hole and the vent hole can form a convection heat dissipation channel, which can ensure the effectiveness of heat dissipation airflow and improve heat dissipation performance.

[0033] During processing, the top surface of the aluminum cup is attached to the bottom surface of the graphene heat sink, and a gap 7 is provided between the edge of the graphene heat sink and the inner wall of the plastic lamp housing; the heat dissipation strip groove and the vent hole are both located in the gap; in this embodiment, the gap is provided, so that the heat dissipation strip groove and the vent hole can form a heat dissipation channel through the gap, which, together with the graphene heat sink, can improve the heat dissipation effectiveness and stability and reliability.

[0034] The vent holes on the aluminum cup are either circular or slotted. The LED light source board 8 is attached to the top and bottom surfaces of the aluminum cup, and screws 9 for the LED light source board pass through the top surface of the aluminum cup and are fixed to the top wall of the plastic lamp housing. This structure allows for rapid installation and positioning of the LED light source board. The heat from the LED light source board can be conducted through the aluminum cup to the graphene heat sink for dissipation. Simultaneously, heat dissipation is achieved through the heat dissipation slots, vent holes, and gaps, improving the effectiveness and reliability of heat dissipation.

[0035] The upper part of the outer wall of the face ring is provided with a snap-fit ​​protrusion 13, and the inner wall of the plastic lamp housing is provided with a snap-fit ​​groove 14; the upper part of the face ring is inserted into the plastic lamp housing and positioned by snapping into the snap-fit ​​groove through the snap-fit ​​protrusion. This improves the ease and effectiveness of face ring installation.

[0036] Furthermore, in this embodiment, a light guide 15 is connected to the face ring by screws; a protruding edge 17 is integrally formed on the inner ring edge of the face ring, and a gap 16 is provided between the protruding edge and the light guide 15. This ensures the effectiveness and reliability of convection.

[0037] In this embodiment, the height of the graphene heat sink is greater than the height of the U-shaped convex ring, and the diameter of the graphene heat sink is smaller than the inner diameter of the plastic lamp housing. A gap is provided between the top edge of the aluminum cup and the bottom surface of the U-shaped convex ring. Through the above structure, the heat from the edge of the graphene heat sink can also be dissipated through the gap and the heat dissipation groove, which can prevent heat accumulation and improve the stability and reliability of heat dissipation.

[0038] In this embodiment, wire mounting holes 10 are provided on the top surface of the aluminum cup, the edge of the graphene heat sink, and the upper part of the side wall of the plastic lamp housing. This structure allows for the connection and positioning of wires, with the LED light source board's wires passing through the mounting holes.

[0039] This utility model has the following positive effects: Its structure is rationally designed, including a plastic lamp housing with an aluminum cup stamped on the inner wall of the plastic lamp housing. Compared to traditional aluminum heat sinks, this reduces processing costs. A graphene heat sink is located on the bottom surface of the plastic lamp housing, with the top surface of the aluminum cup contacting the graphene heat sink, increasing the contact area for heat dissipation and thus improving heat dissipation effectiveness. A U-shaped protrusion is located on the top edge of the plastic lamp housing, and heat dissipation grooves are present on the U-shaped protrusion and the top edge. These, along with vent holes on the aluminum cup and strip-shaped through holes on the face ring, form a convection heat dissipation channel, further enhancing heat dissipation performance. A breathable heat dissipation channel is also formed through the gap between the edge of the graphene heat sink and the inner wall of the plastic lamp housing. This, combined with the graphene heat sink, improves both heat dissipation and breathability, facilitates 3C certification, ensures stable and reliable operation, and has strong applicability.

[0040] The standard parts used in this embodiment can be purchased directly from the market, and the non-standard structural parts described in the instruction manual can also be processed without any doubt based on existing technical common sense. At the same time, the connection methods of each component adopt mature conventional methods in the existing technology, and the machinery, parts and equipment all adopt conventional models in the existing technology, so they will not be described in detail here.

[0041] Obviously, the above embodiments of this utility model are merely examples for clearly illustrating this utility model, and are not intended to limit the implementation of this utility model. Those skilled in the art can make other variations or modifications based on the above description. It is neither necessary nor possible to exhaustively list all embodiments here. However, these obvious variations or modifications derived from the essential spirit of this utility model still fall within the protection scope of this utility model.

Claims

1. A wash down luminaire body comprising a plastic luminaire housing, characterised in that: The top edge of the plastic lamp housing is integrally formed with a downward-protruding U-shaped ring. The top edge of the plastic lamp housing and the side wall of the U-shaped convex ring are both provided with heat dissipation strip grooves that communicate with the inner cavity of the plastic lamp housing. A graphene heat sink is provided at the top of the inner cavity of the plastic lamp housing. An aluminum cup is stamped and fixed on the upper part of the inner wall of the plastic lamp housing, and a vent hole is opened on the top edge of the aluminum cup. The bottom surface of the plastic lamp housing is provided with a face ring, and the face ring is provided with a strip-shaped through hole. The strip-shaped through hole and the vent hole form a convection heat dissipation channel. The top surface of the aluminum cup is attached to the bottom surface of the graphene heat sink, and a gap is provided between the edge of the graphene heat sink and the inner wall of the plastic lamp housing. The heat dissipation grooves and vents are both located in the gaps; The LED light source board is attached to the top and bottom surfaces of the aluminum cup, and the screws of the LED light source board pass through the top surface of the aluminum cup and are fixed to the top surface of the plastic lamp housing.

2. The wall washer body of claim 1, wherein: The height of the graphene heat sink is greater than the height of the U-shaped convex ring, and the diameter of the graphene heat sink is smaller than the inner diameter of the plastic lamp housing.

3. A washdown luminaire body as claimed in claim 2, wherein: The top surface of the aluminum cup, the edge of the graphene heat sink, and the upper part of the side wall of the plastic lamp housing are all provided with wire mounting holes.

4. The washover lamp body of claim 1, wherein: The ventilation holes on the aluminum cup are either circular holes or strip-shaped slots.

5. The washover lamp body of claim 1, wherein: A gap is provided between the top edge of the aluminum cup and the bottom surface of the U-shaped convex ring.

6. The washover lamp body of claim 1, wherein: The upper part of the outer wall of the face ring is provided with a buckle protrusion, and the inner wall of the plastic lamp housing is provided with a buckle groove. The upper part of the face ring is inserted into the plastic lamp housing and positioned by being snapped into the buckle groove by the buckle protrusion.

7. The washover lamp body of claim 1, wherein: A light guide cover is connected to the face ring by screws; The inner ring edge of the face ring is integrally formed with a raised edge, and a gap is provided between the raised edge and the light guide cover.

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