CN218295672U - LED road lighting lamp and LED lamp module - Google Patents

Abstract

The utility model provides a LED road lighting lamp and LED lamp module, wherein the radiating fins comprise a front folding radiating fin and a rear shell radiating fin (15) which are formed by bending a metal plate (aluminum plate) forwards, a plurality of convection windows are arranged on the bending plate (12) of the front folding radiating fin and the rear shell radiating fin (15), the rear shell radiating fin (15) forms part of a rear shell of the lamp, the radiating performance is guaranteed, and the material and manufacturing cost are obviously reduced; the power input sealing device (6) is arranged at one end of the front light-transmitting cover (3), and the lead (60) is directly led into the groove of the module fixing frame (8) to hide the lead design, so that the structure is simple.

Description

LED road lighting lamp and LED lamp module

Technical Field

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

Background

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 existing modularized road illuminating lamp module is manufactured by adopting an aluminum extrusion molding process, so that the material consumption is large, the processing and manufacturing cost is high, and the convection heat dissipation performance is poor. The LED light source sealing structure and the power input sealing structure are not ideal.

Disclosure of Invention

The utility model aims at providing a LED illumination lamps and lanterns can be used to LED lamp module group, assembles into LED road lighting lamp. The radiating fins are formed by bending metal plates (aluminum plates), a plurality of convection windows are arranged in the array, the number of radiating aluminum materials is obviously reduced, the manufacturing cost is lower, and the power input lead is designed to be hidden, so that the structure is simple, and the appearance of the lamp is attractive and tidy.

The utility model discloses a LED illumination lamps and lanterns technical scheme: the LED lighting lamp comprises: the light source board, the preceding printing opacity cover, outside binding nail, power input sealing device. The light source plate comprises an LED light source and a metal substrate, wherein the metal substrate generally adopts an aluminum plate (such as an aluminum substrate); the fin is including folding fin and backshell fin before folding, and preceding fin is including bottom plate and buckling plate, and the backshell fin is including bottom plate and shell plate, and the bottom plate of folding the fin before light source board is hugged closely, and the back of the bottom plate of folding the fin before the bottom plate of shell plate is hugged closely, and the heat that part or whole produced by the LED light source is passed heat to the bottom plate through the contact, is scattered by the surface of folding the fin before again and backshell fin.

The utility model is characterized in that: the power input sealing device is arranged at one end of the front light-transmitting cover; the bottom plates of the bending plate and the front folding radiating fin are of an integral structure formed by bending the same metal plate, a plurality of convection windows of a shutter type or staggered type structure are arranged on the bending plate, and the cut line of each convection window is of a structure (for example, the cut line is vertical to the bending line) along the vertical line of the bending line of the bottom plates of the bending plate and the front folding radiating fin. The bottom plates of the outer shell plate and the rear shell radiating fins are the same metal plate, the outer shell plate is provided with a louver type or staggered type convection window, and the cut line of the convection window on the outer shell plate is in the same direction as the cut line of the convection window on the bending plate.

The utility model discloses LED road lighting lamp, including module fixed frame with above LED lamp module, module fixed frame has adopted aluminium extrusion moulding's section bar, adopts the fashioned structure of buckling, and the backshell fin has the backshell fixed limit of stretching out, has adopted the fix with screw between backshell fixed limit and the module fixed frame, module fixed frame's high H is not less than above LED lamp module's high H.

In the utility model, the direction of the light emitted by the LED is defined as the front side and the front side, and the direction of the light emitted by the LED is defined as 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 embodiments of the present invention will be described more fully hereinafter with reference to the accompanying drawings, in which some, but not all embodiments of the invention are shown.

Fig. 1 is a schematic view of a local characteristic section of the LED road lighting lamp of the present invention.

Fig. 2 is a schematic characteristic sectional view of the LED lamp module according to the present invention.

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 view 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 module according to the present invention.

Fig. 6 is a schematic plan view of the radiating fin of the present invention, before being formed by bending, and when the plate is unfolded, the convection window is of a louver structure and arranged in an array.

Fig. 7 is a schematic plan view of the characteristics of the rear-shell cooling fin before being formed by bending and when the sheet is unfolded, and the convection window is of a louver structure.

Fig. 8 is a characteristic schematic view of the rear side of the LED road illumination lamp of the present invention.

Fig. 9 to 11 are schematic partial characteristic cross-sectional views of three LED lamp modules according to the present invention.

Fig. 12 to 13 are schematic characteristic cross-sectional views of two LED lamp modules according to the present invention.

In the figure: 1. heat sink, 11, bottom plate, 111, via hole, 12, bending plate, 121, bending part, 122, bending line, 123, edge, 124, clasp, 13 convection window, 131, notch line, 132a, 132b, leaf, 133, slit, 134, airflow line, 14, front folding heat sink, 15, rear housing heat sink, 151, housing plate, 152, housing plate edge, 153, housing front folding plate, 1531, front folding edge, 154, rear housing fixing edge, 2, light source plate, 21, bending edge, 3, front light-transmitting cover, 31, sealing groove, 32, outer ring sealing ring, 4, screw, 5, outer fastening nail, 6, power input sealing device, 60, lead, 61, sealing seat, 62, sealing cover, 63, clamping nut, 64, pin, 641, conductive contact, 65, pin seat, 66, power supply line plug, 67, sealing ring, 7, mirror face piece, 71, light reflecting mirror face, 8, sealing cover fixing module frame, 81, power supply line plug, 67, 9, lamp post connector.

Detailed Description

Fig. 1 shows the utility model discloses LED road lighting lamp shows to have: the LED lamp comprises a module fixing frame 8, a light source plate 2, a front light-transmitting cover 3, a bending plate 12 of a front folded radiating fin, a rear shell radiating fin 15 and a power supply input sealing device 6 of an LED lamp module, wherein the power supply input sealing device 6 is arranged at one end of the front light-transmitting cover 3, the module fixing frame 8 adopts a groove-shaped structure, a wire 60 is led into the groove, the groove becomes a wiring groove of the wire 60, a shielding piece 7 is arranged and fixed on the module fixing frame 8 through a screw 4, and the power supply input sealing device 6 and the wire 60 are covered by the shielding piece 7 and cannot be seen. The outer side surface of the part of the shutter 7 perpendicular to the front light-transmitting cover 3 is provided with a mirror surface 71.

In fig. 1, the power input (lead 60) of the LED module passes through the front light-transmissive cover 3. The illustrated power input seal 6 comprises: the sealing seat 61 should have a screw thread matching with the tightening nut 63, the sealing sleeve 62 is sleeved on the power input lead 60, the sealing sleeve 62 is made of elastic material (such as rubber), and under the inclined surface action of the tightening nut 63 and the sealing seat 61, the sealing sleeve 62 is tightened on the lead 60 to play a role in sealing and fixing the lead 60.

In fig. 1, the sealing seat 61 is integrated with the front light-transmitting cover 3, and may be integrally molded.

In fig. 1, a rear housing fixing edge 154 extends from the rear housing heat sink 151, and the rear housing fixing edge 154 is fixed to the module fixing frame 8 by a screw 4, so as to fixedly connect the LED lamp module to the module fixing frame 8. H in the drawing indicates the height of the module fixing frame 8.

Fig. 2 shows the utility model, the heat sink 1 has the front folding heat sink 14 and the back shell heat sink 15, and is generally made of aluminum plate, the convection window 13 is opened on the bending plate 12 of the front folding heat sink 14 and the outer shell plate 151 of the back shell heat sink 15, and the convection window 13 on the outer shell plate 151 and the bending plate 12 is of staggered structure.

In fig. 2, the outer shell 151 has a forward-bending structure to form a front shell flap 153, a front folding edge 1531 of the front shell flap 153 has an inward-bending structure, an edge 123 of the bending plate 12 has an outward-bending structure (a folding-reinforced edge structure), and a bending edge of the front folding edge 1531 extends to the edge 123 of the bending plate 12 and contacts with the bending edge thereof.

In fig. 2, the outer ring seal ring 32 is disposed between the front light-transmitting cover 3 and the bottom plate 11 of the front folded heat sink 14, and the light source plate 2 is disposed inside the outer ring seal ring 32, thereby forming an outer ring seal between the front light-transmitting cover 3 and the bottom plate 11 of the front folded heat sink 14.

The convection area of the convection window should be as large as possible, and the ratio of the sum of the effective ventilation areas of the window of the convection window 13 to the area of the bending plate 12 (or the shell plate 151 thereof) is defined as the window permeability. The window permeability should be no less than 0.2, preferably greater than 0.35, when designed.

When aluminum is adopted, the width of the bending plate 12 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 bending plate can be optimized and is not more than 1mm, and preferably not more than 0.7mm.

The H in the figure represents the height of the LED lamp module, and the height H of the module fixing frame 8 is not less than the height H of the LED lamp module.

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 window ventilation effective area is calculated by taking the minimum value of the two values 2b and c.

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 effective area of window ventilation should be calculated using b.

In the present invention shown in fig. 5, the bending plate 12 of the front folding fin 14 and the outer shell 151 of the rear shell fin 15 are provided with convection windows 13, which are louver type convection windows, and the cut line 131 of the convection window 13 should be a perpendicular line structure along the bending lines 122 of the bending plate 12 and the bottom plate 11 (as shown in fig. 6, the cut line 131 is perpendicular to the bending line 122).

In fig. 5, the front housing flap 153 has a convection window 13 (a louver structure or a staggered structure in the drawing), and a cut line 131 of the convection window 13 is in the same direction as the cut line 131 of the convection window 13 of the bending plate 12 (as shown in fig. 7, the cut line is perpendicular to a broken line (bending line 122)).

Fig. 5 shows: the outer fastening nail 5 penetrates through the light source plate 2 and the bottom plate 11, acts on the front translucent cover 3, and tightly attaches the light source plate 2 to the bottom plate 11, the light source plate 2 and the bottom plate 11 have a through hole corresponding to the outer fastening nail 5 (fig. 6 shows a through hole 111 corresponding to the outer fastening nail 5 of the bottom plate 11), the outer fastening nail 5 may be a screw or a rivet, in the figure, the screw is a screw, and the front translucent cover 3 should have a screw hole (or a nut). The bottom plate 11 should be a portion of the heat sink corresponding to the front light-transmissive cover 3 and the light source board 2, and heat from the light source board 2 is conducted to the bottom plate 11 by contact heat transfer. The outer fastening 5 may also be a rivet.

Fig. 5 (and fig. 1) shows: an outer ring sealing ring 32 is arranged between the front light-transmitting cover 3 and the light source plate 2 to form outer ring sealing between the front light-transmitting cover 3 and the light source plate 2.

The utility model discloses a LED road lighting lamp that is shown in fig. 8, including module fixed frame 8, LED lamp module and power 9, lamp pole connector 81 passes through bolt and module fixed frame 8 fixed connection, backshell fin 15 stretches out backshell fixed edge 154, backshell fixed edge 154 and module fixed frame 8 between adopted the fix with screw, module fixed frame 8 adopts aluminium extrusion forming's section bar, adopt the technology of bending forming to make, generally adopt single aluminium alloy bending forming, also can two bend into two symmetrical parts; the housing plate 151 is exposed to constitute a partial rear housing of the LED road illumination lamp.

The difference between the LED lamp module shown in fig. 9 and that shown in fig. 1 is: the power input sealing device 6 in fig. 1 adopts a structure perpendicular to the front light-transmitting cover 3, and the power input sealing device 6 in fig. 9 adopts a structure parallel to the front light-transmitting cover 3. The power input sealing device 6 may also adopt a structure between being parallel to the front light-transmitting cover 3 and being perpendicular to the front light-transmitting cover 3 (i.e., a structure between 0 and 90 degrees).

Fig. 10 shows the LED lamp module of the present invention, the power input sealing device 6 is connected to the power input lead 60 by plugging. The power line 60 is provided with a power line plug 66 at one end, and the power input sealing device 6 is a socket matched with the power line plug 66. In the figure, the power line plug 66 is provided with a sealing ring 67, the power input sealing device 6 includes a pin 64, one end of the pin 64 is in contact conductive connection with the light source board 2, and should be in elastic contact connection, and the conductive contact point 641 (i.e. the electrical connection point of the power input and the light source board 2) is inside the outer sealing ring 32. In the figure, the seal holder 61 is formed integrally with the front light-transmitting cover 3.

Fig. 11 shows the LED lamp module of the present invention, the power input sealing device 6 is also connected to the power input lead 60 by plugging. The power input sealing device 6 comprises a pin seat 65, a pin 64 is arranged in the pin seat 65, and the pin seat 65 and the light source plate 2 are fixedly connected in a conductive manner by welding. The sealing seat 61 is integrated with the front light-transmitting cover 3.

The differences between fig. 12 and 13 and fig. 2 and 5 are: outer ring seal 32 and outer fastening pin 5 are absent in fig. 12 and 13; in fig. 12 and 13, the light source plate 2 is fixed against the bottom plate 11 by using a hook structure, in fig. 12, the front light-transmitting cover 3 is fixed by a hook 124 extending from the bending plate 12, and the front light-transmitting cover 3 presses the light source plate 2, so that the light source plate 2 is fixed against the bottom plate 11; in fig. 13, the light source plate 2 has two bent edges 21 at two sides, the bent edges 21 should be formed by bending the metal substrate of the light source plate 2, and the hooks 124 protruding from the bent plate 12 are fastened to the bent edges 21, so that the light source plate 2 is fixed to the bottom plate 11.

In the case of the outer fastening pins 5 in fig. 12 and 13, the bottom plate 11 of the front folded heat sink 14 is closely attached to the bottom plate 11 of the housing plate 151 by rivets.

Furthermore, it should be understood that although the present specification describes embodiments, not every embodiment includes only a single embodiment, and such description is for clarity purposes only, and it is to be understood that all embodiments may be combined as appropriate by one of ordinary skill in the art to form other embodiments as will be apparent to those of skill in the art from the description herein.

Claims (10)

1. The utility model provides a LED road lighting lamp, is including LED lamp module group and module fixed frame (8), LED lamp module group is including: fin (1), light source board (2), preceding printing opacity cover (3), power input sealing device (6), fin (1) including preceding fin (14) of rolling over, preceding fin (14) of rolling over including bottom plate (11) and buckling plate (12), light source board (2) include LED light source and metal substrate, light source board (2) are hugging closely preceding bottom plate (11) of rolling over fin (14), its characterized in that: and a power supply input sealing device (6) of the LED lamp module is arranged at one end of the front light-transmitting cover (3).

2. The LED road illumination lamp according to claim 1, characterized in that:

the radiating fins (1) comprise rear-shell radiating fins (15), the rear-shell radiating fins (15) comprise a bottom plate (11) and an outer shell plate (151), the bottom plate (11) of the outer shell plate (151) is attached to the back surface of the bottom plate (11) of the front-folded radiating fins (14),

the bottom plates (11) of the bending plate (12) and the front bending radiating fin (14) 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 direction of the bending line (122) of the bottom plate (11) of the bending plate (12) and the front folding radiating fin (14),

the bottom plates (11) of the outer shell plate (151) and the rear shell radiating fins (15) are the same metal plate, the outer shell plate (151) is provided with a shutter type or staggered type convection window (13), the cut line (131) of the convection window (13) on the outer shell plate (151) adopts the same direction as the cut line (131) of the convection window (13) on the bending plate (12),

module fixed frame (8) have adopted aluminium extrusion moulding's section bar, have adopted the fashioned structure of buckling, and backshell fin (15) are stretched out and are had backshell fixed limit (154), have adopted the fix with screw between backshell fixed limit (154) and module fixed frame (8), and the height H of module fixed frame (8) is not less than the height H of LED lamp module.

3. An LED lamp module, including: fin (1), light source board (2), preceding printing opacity cover (3), power input sealing device (6), fin (1) is including preceding fin (14) and backshell fin (15) of rolling over, preceding fin (14) of rolling over including bottom plate (11) and buckling plate (12), backshell fin (15) are including bottom plate (11) and shell plate (151), light source board (2) include LED light source and metal substrate, preceding bottom plate (11) of rolling over fin (14) are hugged closely in light source board (2), the back of bottom plate (11) of preceding fin (14) of rolling over is hugged closely in bottom plate (11) of shell plate (151), its characterized in that: the power input sealing device (6) of the LED module is arranged at one end of the front light-transmitting cover (3),

the bottom plates (11) of the bending plate (12) and the front bending radiating fin (14) 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 direction of the bending line (122) of the bottom plate (11) of the bending plate (12) and the front folding radiating fin (14),

the outer shell plate (151) and the bottom plate (11) of the rear shell radiating fin are the same metal plate, the outer shell plate (151) is provided with a shutter type or staggered convection window (13), and a notch line (131) of the convection window (13) on the outer shell plate (151) adopts the same direction as a notch line (131) of the convection window (13) on the bending plate (12).

4. The LED lamp module of claim 3, wherein: the outer shell plate (151) adopts a forward bending structure to form an outer shell front folding plate (153), and the outer shell front folding plate (153) is provided with a convection window (13) with a shutter type or staggered type structure.

5. The LED lamp module of claim 4, wherein: the front folding edge (1531) of the front housing folding plate (153) adopts an inward folding structure, the edge (123) of the folding plate (12) adopts an outward folding structure, and the folding edge of the front folding edge (1531) is contacted with the folding edge of the edge (123) of the folding plate (12).

6. The LED lamp module of claim 3, 4 or 5, wherein: the power input sealing device (6) comprises a sealing seat (61), and the sealing seat (61) adopts an integral structure which is integrally molded with the front light-transmitting cover (3).

7. The LED lamp module of claim 6, wherein: the power input sealing device (6) comprises a sealing sleeve (62) and a tightening nut (63), and the sealing seat (61) is provided with a screw buckle matched with the tightening nut (63).

8. The LED lamp module of claim 6, wherein: the power input sealing device (6) adopts a structure of being in plug-in connection with a power input lead (60).

9. The LED lamp module of claim 8, wherein: the power input sealing device (6) comprises a contact pin, and one end of the contact pin is in conductive connection with the light source plate through elastic touch connection.

10. The LED lamp module of claim 8, wherein: the power input sealing device (6) comprises an insert seat (65), an insert pin is arranged in the insert seat (65), and the insert seat (65) is fixedly and electrically connected with the light source plate (2) in a welding mode.

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