CN218268985U

CN218268985U - LED lamp module

Info

Publication number: CN218268985U
Application number: CN202220444290.9U
Authority: CN
Inventors: 秦彪
Original assignee: Shenzhen Qinbo Hexin Technology Development Co ltd
Current assignee: Shenzhen Qinbo Hexin Technology Development Co ltd
Priority date: 2022-02-21
Filing date: 2022-02-21
Publication date: 2023-01-10
Anticipated expiration: 2032-02-21

Abstract

The utility model provides a LED lamp module and a radiating fin, wherein the radiating fin (1) comprises a bottom plate (11) and a bending plate (12), and is formed by bending a metal plate (aluminum plate) backwards, the bending plate (12) is provided with a plurality of convection windows (13), thereby effectively utilizing and improving the convection heat dissipation, and the heat dissipation aluminum material and the manufacturing cost are obviously reduced; the front light-transmitting cover (3) is provided with the clasp (32), the bending plate (12) is provided with the clasp hole (124) or is cut and pressed with the clasp structure, the clasp structure is matched with the clasp (32), the fixed connection between the front light-transmitting cover (3) and the radiating fin (1) is realized, and the assembly cost is reduced.

Description

LED lamp module

Technical Field

The utility model belongs to the technical field of the LED lamps and lanterns, in particular to the natural convection fin that adopts sheet metal to make, be provided with LED lamps and lanterns of LED light source seal structure.

Technical Field

The LED illuminating lamp can be divided into three parts: the LED light source, the power supply and the structural component comprise a radiator, and the cost of the structural component mainly comes from the radiator. The cost of the structural member accounts for the main cost of the LED illuminating lamp, so that the cost of the structural member (radiator) can be reduced, and the cost of the LED illuminating lamp can be effectively reduced. The radiator in the module of the existing modularized street lamp is manufactured by adopting an aluminum extrusion molding process, the material consumption is large, the processing and manufacturing cost is high, the convection heat dissipation performance is poor, the light-transmitting cover is fixed by adopting screws, and the assembly labor cost is high.

Disclosure of Invention

The utility model aims at providing a LED lamp which can be used for an LED street lamp module, wherein a radiating fin is formed by bending a metal plate (aluminum plate) and is provided with a convection window, and aluminum materials are reduced; the light-transmitting cover adopts fastening, so that the labor cost of assembly is reduced.

The utility model discloses a LED lamps and lanterns technical scheme: the LED lamp comprises: the fin, light source board, preceding printing opacity cover. The light source plate comprises an LED light source and a metal substrate, and the metal substrate generally adopts an aluminum plate (such as an aluminum substrate); the radiating fin comprises a bottom plate and at least two bending plates, the light source plates are tightly attached to the bottom plate, and part or all of heat generated by the LED light source is transferred to the bottom plate through contact and then is radiated out from the surface of the bending plates.

The utility model is characterized in that: the bending plate and the bottom plate are of an integrated structure formed by bending the same metal plate, a plurality of convection windows with a louver type or staggered type structure are arrayed on the bending plate, the notch line of each convection window adopts a structure along the perpendicular line direction of the bending lines of the bending plate and the bottom plate (for example, the notch line is perpendicular to the bending line), and two bending plates of the radiating fin adopt a backward bending structure; preceding printing opacity is covered with the seal groove that becomes the border, has seal structure before constituting between printing opacity cover and light source board or the bottom plate, and the LED light source setting is in seal structure's inboard, preceding printing opacity covers and is equipped with the clip, has adopted the buckle fixed connection structure between preceding printing opacity cover and the fin.

In the utility model, the light-emitting direction of the LED is defined as the front side and the front side, and the reverse direction is the back side and the rear side; the utility model discloses in high and low, left and right etc. be to the position height that shows in the shown picture with low, left and right etc. do not relate to afterwards the utility model discloses user state.

Drawings

The present invention will now be described more fully hereinafter with reference to the accompanying drawings, in which embodiments of the invention are shown and described, and in which embodiments of the invention are shown by way of illustration, and not by way of limitation.

Fig. 1 is a schematic characteristic cross-sectional view of the LED lamp of the present invention, showing the basic features of the present invention.

Fig. 2 is a schematic view of a characteristic plane of the heat sink of the present invention before the bending plate is formed by bending and the sheet is unfolded, and the convection window is of a louver structure.

Fig. 3 is a cross-sectional view of a convection window with a staggered structure, wherein b is the width of the slitting line 133, c is the width of the sheet 132b, and e is the width of the sheet 132 a.

Fig. 4 is a schematic diagram of a cross-section of a convection window with a louver structure, where f is the distance between two slits and b is the width of the slit 133.

Fig. 5 is a schematic characteristic cross-sectional view of the LED lamp according to the present invention.

Fig. 6 is a schematic characteristic cross-sectional view of a light source board according to the present invention.

Fig. 7 is a characteristic plan schematic view of the light source board shown in fig. 6.

Fig. 8 to 11 are schematic characteristic cross-sectional views of 4 LED lamps according to the present invention.

Fig. 8-1 is a partial enlargement at a in fig. 8.

Fig. 9-1 is a partial enlargement at B in fig. 9.

In the figure: 1. heat sink, 11, base plate, 12, bending plate, 121, bending part, 122, bending line, 123, edge, 124, fastening hole, 125, convex fastener, 126, fastening slope, 13 convection window, 131, cut line, 132a, 132b, leaf, 133, cut 16, 134, airflow line, 14, outside heat sink, 141, outside sheet folded part, 142, outside sheet side edge reinforcement structure, 15, inside heat sink, 151, inside sheet folded part, 152, inside sheet side edge reinforcement structure, 2, light source plate, 21, local elastic protrusion, 3, front light-transmitting cover, 31, sealing groove, 32, hook, 321, hook slope, 4, back lining plate, 5, fastening nail, 51, sealing gasket, 6, power lead, 61, lead sealing device, 62, sealing sleeve, 63, sealing ring, 64, nut, 7, rivet, 8, mounting fastener.

Detailed Description

Fig. 1 shows a utility model of a LED lamp, the bottom plate 11 and the bending plate 12 of the heat sink 1 are made of the same metal plate (generally made of aluminum plate), and the bending-forming integrated structure is adopted, the bending plate 12 is provided with a convection window 13, the convection window is a louver-type structure in the figure, the cut line 131 of the convection window 13 should adopt a perpendicular line direction structure (as shown in fig. 2, the cut line 131 is perpendicular to the bending line 122) along the bending line 122 of the bending plate 12 and the bottom plate 11.

The convection area of the convection window should be as large as possible, and the ratio of the sum of the effective ventilation area of the window of the defined convection window 13 to the area of the bending plate 12 is called as the window permeability. The window permeability should be no less than 0.2, preferably greater than 0.35, when designed.

The bending plate 12 is made of aluminum, the width is 40mm, the thickness is 1mm, and the rib obtaining efficiency is 0.92; at a thickness of 0.75mm, the rib efficiency is 0.88; the rib efficiency was 0.83 at a thickness of 0.5 mm. The thickness of the bent plate can be optimized and is not more than 1mm, and preferably not more than 0.6mm.

Fig. 1 shows: the front light-transmitting cover 4 is provided with a hook 32, and the bent plate 12 is provided with a buckle hole 124 which is matched with the hook 32 to form the fixed connection between the front light-transmitting cover 3 and the radiating fin 1. The front light-transmitting cover 4 is provided with a sealing groove 31 which is formed in a circumferential manner, the light source plate 2 is arranged on the inner side of the sealing groove 31, and sealant or a sealing ring can be arranged in the sealing groove 31 and acts on the bottom plate 11 of the radiating fin 1 to form sealing between the front light-transmitting cover 4 and the bottom plate 11.

Fig. 1 shows: the rear side surface of the bottom plate 11 is provided with a rear lining plate 4, the rear lining plate 4 acts on the light source plate 2 through a screw 5, a sealing gasket 51 acts on the bottom plate 11, and sealing between the screw 51 and the bottom plate 11 is formed. In the figure, a wire sealing device 61 is provided, and a seal ring 63 is applied between the wire sealing device 61 and the bottom plate 11 to seal between the wire sealing device 61 and the bottom plate 11.

Fig. 3 shows the characteristic structure of the convection window in a staggered structure, a continuous metal plate with a length L is cut and punched into a section of the leaf sheet 132a and the leaf sheet 132b, the leaf sheet 132a and the leaf sheet 132b are arranged in a staggered manner, two ends of the punched leaf sheet 132b are connected with the original metal plate and are not cut off, and the air flow line 134 in the figure shows that air passes through the separation notch 133 and traverses from one surface to the other surface. The calculation of the window ventilation effective area is taken, the minimum of the two 2b and c is calculated.

Fig. 4 shows the characteristic structure of the convection window in the louver type structure, a continuous metal plate with a length L is punched into 5 segments of leaves 15 with a distance f, two ends of the leaves 132 are connected with the original metal plate and are not cut off, and the air flow line 133 shows that the air passes through the cut-off 133 from one side to the other side. The calculation of the window ventilation effective area should be calculated using b.

The utility model discloses can the multi-disc (be no less than two) fin, show in figure 5 and have two fin, outside fin 14 and inboard fin 15, the bottom plate 11 of outside fin 14 has the structure of hugging closely with the bottom plate 11 of inboard fin 15. The drawing shows that the base plate 11 of the outer fin 14 and the base plate 11 of the inner fin 15 are connected by the rivet 7, and the rivet 7 is formed by machining from the plate material of the base plate 11 of the outer fin 14. In the figure, the rivet 7 adopts a blind hole structure to form a sealing structure.

Hook structures may be cut into the bent plate 12 to mate with the hooks 32. The press-fit hook structures on the gussets 12 shown in FIG. 5 are male 125 and can be cut into female 32 to mate with the snaps.

Fig. 5 shows the utility model, the light source plate 2 and the bottom plate 11 are laminated by the front transparent cover 3. With a snap connection, the contact heat transfer of the light source board 2 and the base board 11 is not reliable due to manufacturing tolerances. Fig. 6 and 7 show that the light source plate adopts a partial elastic protrusion 21 structure, and the partial elastic protrusion 21 structure is formed by cutting and pressing on a metal substrate.

Shown in fig. 5: the edge 123 of the bent plate 12 is an edge-strengthening structure, and the edge-strengthening structure in the figure is a hem edge-strengthening structure.

Shown in fig. 8: the edge reinforcement structure of the edge 123 of the bent plate 12 is an arc-shaped edge reinforcement structure. It is shown that a sealing ring (should be an O-ring) is arranged in the sealing groove 31, and acts on the light source plate 2 to form a seal between the front light-transmitting cover 3 and the light source plate 2; the seal ring 63 of the wire sealing device 61 acts between the wire sealing device 61 and the light source plate 2, and seals between the wire sealing device 61 and the light source plate 2. FIG. 8-1 shows that the clasp 32 utilizes a hook ramp (321) configuration that provides a resilient clasping action.

Shown in fig. 9: the edge reinforcing structure of the edge 123 of the bent plate 12 is a hemming edge reinforcing structure. The base plate 11 of the outer heat sink 14 is shown as having a concave configuration in which the nut 64 holding the wire sealing device 61 is disposed. Fig. 9-1 shows that the button hole adopts a button slant (126) structure having an elastic fastening function.

Shown in fig. 10: the light source board 2 is employed to have a concave structure in which a nut 64 fixing the wire sealing means 61 is disposed. The figure shows the installation fixing parts 8 of the LED lamp module, the installation fixing parts 8 are arranged at two ends of the LED lamp module, and the installation fixing parts 8 and the rear lining plate 4 adopt the structure of integrating the same plate.

Fig. 11 shows that the mounting fixture 8 and the bottom plate 11 are formed by integrating the same plate material, and the bottom plate 11 of the outer fin 14 and the bottom plate 11 of the inner fin 15 are extended together to form the mounting fixture 8. Shown in the figure are: an interval is arranged between the outer sheet folding connecting part 141 and the inner sheet folding connecting part 151, and the sheet folding connecting part 141 is provided with a buckle hole matched with the buckle hook 32.

Fig. 11 shows that the edge 123 of the bent plate 12 is not only provided with the edge reinforcing structure but also provided with the side edge of the bent plate 12, and the side edges of the bent plate 12 of the outer fin 14 and the inner fin 15 are provided with the edge reinforcing structure, the outer fin side edge reinforcing structure 142, and the inner fin side edge reinforcing structure 152; the edge 123 and the side edge adopt circular arc transition (also can chamfer transition), and the transition edge also adopts edge reinforcing structure.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. An LED lamp module, including: fin (1), light source board (2), preceding printing opacity cover (3), fin (1) is including bottom plate (11) and bending plate (12), and two are no less than in bending plate (12), and light source board (2) include LED light source and metal substrate, and bottom plate (11) are hugged closely in light source board (2), and part or whole by the heat that the LED light source produced conducts heat to bottom plate (11) through the contact, is again by the surperficial effluvium of bending plate (12), its characterized in that:

the bending plate (12) and the bottom plate (11) adopt the same metal plate and are bent into an integral structure; the bending plate (12) is provided with a shutter type or staggered convection window (13), the cut line (131) of the convection window (13) adopts a structure along the vertical line of the bending line (122) of the bending plate (12) and the bottom plate (11), the two bending plates (12) of the radiating fin (1) adopt a backward bending structure,

preceding printing opacity cover (3) have seal groove (31) of circle of one-tenth, have seal structure between preceding printing opacity cover (3) and light source board (2) or bottom plate (11) of constitution, the LED light source sets up there are clasp (32) in the inboard of seal structure, preceding printing opacity cover (3), have adopted the clasp fixed connection structure between preceding printing opacity cover (3) and fin (1).

2. The LED lamp module of claim 1, wherein: the bending plate (12) is provided with a buckling hole (124) or a buckling hook structure by cutting and pressing.

3. The LED lamp module of claim 2, wherein: the number of the radiating fins (1) is not less than two, and the radiating fins form an outer radiating fin (14) and an inner radiating fin (15), and a bottom plate (11) of the outer radiating fin (14) has a structure which is tightly attached to the bottom plate (11) of the inner radiating fin (15).

4. The LED lamp module of claim 3, wherein: a rivet (7) connecting structure is adopted between the bottom plate (11) of the outer radiating fin (14) and the bottom plate (11) of the inner radiating fin (15), and the rivet (7) is processed from the plate material of the bottom plate (11) of the outer radiating fin (14).

5. The LED lamp module of claim 4, wherein: the rivet (7) adopts a blind hole structure.

6. The LED lamp module of claim 1, 2, 3, 4 or 5, wherein: the LED lamp module is characterized in that installation fixing pieces (8) are arranged at two ends of the LED lamp module, and the installation fixing pieces (8) and the bottom plate (11) adopt the structure of the same plate integrated type.

7. The LED lamp module of claim 1, 2, 3, 4 or 5, wherein: the rear side face of the bottom plate (11) is provided with a rear lining plate (4), the two ends of the LED lamp module are provided with installation firmware (8), and the installation firmware (8) and the rear lining plate (4) adopt the structure of the same plate integrated type.

8. The LED lamp module of claim 1, 2, 3, 4 or 5, wherein: a wire sealing device (61) is arranged, and a sealing ring (63) of the wire sealing device (61) acts between the wire sealing device (61) and the light source plate (2) or the bottom plate (11) to form sealing between the wire sealing device (61) and the light source plate (2) or the bottom plate (11).

9. The LED lamp module of claim 8, wherein: the light source plate (2) or the bottom plate (11) adopts a concave structure, and a nut (64) for fixing the lead sealing device (61) is arranged in the concave structure.

10. The LED lamp module of claim 1, 2, 3, 4 or 5, wherein: the edge (123) of the bent plate (12) adopts an edge strengthening structure.