CN215982438U - LED street lamp module, LED street lamp and radiating fin - Google Patents
LED street lamp module, LED street lamp and radiating fin Download PDFInfo
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- CN215982438U CN215982438U CN202121091465.4U CN202121091465U CN215982438U CN 215982438 U CN215982438 U CN 215982438U CN 202121091465 U CN202121091465 U CN 202121091465U CN 215982438 U CN215982438 U CN 215982438U
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Abstract
The utility model provides an LED lamp and a radiating fin, which are used for an LED street lamp module and assembled into an LED street lamp, wherein the radiating fin (1) comprises a front folding radiating fin (14) and a rear shell radiating fin (15) which are formed by bending a metal plate (aluminum plate), a plurality of shutter type or staggered type convection windows (13) are formed on a bending plate (12) of the front folding radiating fin (14) and an outer shell plate (151) of the rear shell radiating fin (15), a light source plate (2) is tightly attached to a bottom plate (11), the outer shell plate (151) of the rear shell radiating fin (15) forms part of a rear shell of the lamp, and the material cost and the manufacturing cost are obviously reduced; the outer ring sealing ring (32) acts between the front light-transmitting cover (3) and the light source plate (2) or the bottom plate (11) of the front folding radiating fin (14) to form outer ring sealing of the LED light source.
Description
Technical Field
The utility model belongs to the technical field of LED lamps, and particularly relates to a natural convection radiating fin made of metal plates and an LED lamp with an LED light source sealing structure.
Background
The LED is energy-saving and environment-friendly, so that the LED is widely applied to a light source for illumination by people. 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. In the existing modularized street lamp, a radiator in a module is manufactured by adopting an aluminum extrusion molding process, so that the consumption of materials is large, the processing and manufacturing cost is high, and the convection heat dissipation performance is poor.
Disclosure of Invention
The utility model aims to provide an LED lamp which can be used for an LED street lamp module to assemble an LED street lamp. The radiating fins are formed by bending metal plates (aluminum plates), a plurality of convection windows are arranged in an array, the radiating aluminum materials are obviously reduced, and the manufacturing cost is lower.
The technical scheme of the LED lamp comprises the following steps: the LED lamp comprises: the fin, the light source board, preceding printing opacity cover, outside binding nail. 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 having, 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 is opened has the via hole that matches with outside binding nail, and the bottom plate of preceding fin is being hugged closely to the light source board, and the back of the bottom plate of preceding fin is being hugged closely to the bottom plate of shell plate, and the heat that part or whole produced by the LED light source is passed heat to the bottom plate through the contact, and the surface by preceding fin and backshell fin is effluvied.
The utility model is characterized in that: the bottom plates of the bending plate and the front bending radiating fins are made of the same metal plate and are of an integral structure formed by bending, a plurality of convection windows of a louver type or staggered type structure are arranged on the bending plate, and the cut lines of the convection windows are of a structure (for example, the cut lines are perpendicular to the bending lines) along the perpendicular lines of the bending lines of the bottom plates of the bending plate and the front bending radiating fins. 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 convection window, and the cut line of the convection window on the outer shell plate adopts the same direction as the cut line of the convection window on the bending plate.
The LED light source of the street lamp should take sealing protection measures. The sealing protection measures of the utility model are as follows: an outer ring sealing ring is arranged between the front light-transmitting cover and the light source plate or between the front light-transmitting cover and the bottom plate of the front folded radiating fin, the front light-transmitting cover and the light source plate or between the front light-transmitting cover and the bottom plate of the front folded radiating fin are sealed, the LED light source is arranged on the inner side of the outer ring seal, and the outer side of the LED light source is fastened on the outer side of the outer ring seal.
The sealing device is provided with a wire sealing device which comprises a sealing ring, and the sealing ring acts between the wire sealing device and the power panel or the bottom plate of the front-folding radiating fin to form sealing between the wire sealing device and the power panel or the bottom plate of the front-folding radiating fin.
The LED street lamp comprises a module fixing frame and the LED street lamp module, wherein the module fixing frame adopts an aluminum extrusion molding section and adopts a bending molding structure, a rear shell radiating fin is provided with a rear shell fixing edge extending out, the rear shell fixing edge and the module fixing frame are fixed by screws, the height H of the module fixing frame is not less than the height H of the LED street lamp module, and a reflector is arranged on the inner side of the module fixing frame.
The utility model also provides an LED radiating fin, which comprises a front folded radiating fin and a rear shell radiating fin, wherein the front folded radiating fin comprises a bottom plate and a bent plate, the rear shell radiating fin comprises a bottom plate and an outer shell plate, the bottom plate of the rear shell radiating fin is attached to the bottom plate of the front folded radiating fin, the bottom plate is provided with a through hole for fastening nails, and the LED radiating fin is characterized by comprising:
the bottom plates of the bending plate and the front bending radiating fin adopt the same metal plate and are bent and formed into an integrated structure; the bending plate is provided with a shutter type or staggered convection window, and the incision line of the convection window adopts a structure along the perpendicular line of the bending plate and the bottom plate of 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 front folding edges of the folded plates before the outer shell adopt an inward bending structure, the edges of the bent plates adopt an outward bending structure, and the bending edges of the front folding edges are in contact with the bending edges of the bent plates.
The front folded radiating fins and the rear shell radiating fins are fixedly connected into a whole by riveting, and the connecting rivet is a via hole flanging of a via hole of the fastening nail on the bottom plate of the front folded radiating fins.
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 towards the back side and the rear side; the high and low, left and right, etc. in the present invention are directed to the high and low, left and right, etc. positions shown in the drawings, and do not relate to the use state of the present invention later.
Drawings
The present invention will now be described more fully hereinafter with reference to the accompanying drawings, in which embodiments of the utility model are shown, and in which only a portion, but not all embodiments of the utility model are shown.
Fig. 1 is a characteristic cross-sectional schematic view of an LED lamp of the present invention, showing the essential features of the present invention.
Fig. 2 is a characteristic schematic plan view of the heat sink of the present invention before being formed by bending and before being unfolded, wherein the convection window is in a louver type structure and arranged in an array.
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 and 6 are schematic cross-sectional views of two LED lamps according to the present invention.
Fig. 7 is a schematic plan view of the unfolded plate of the rear case heat sink of the present invention, wherein the convection window is of a louver structure.
Fig. 8 is a characteristic schematic view of the rear side of an LED street light of the present invention.
FIG. 9 is a schematic sectional view of a part of the characteristic of the LED street lamp of the present invention
Fig. 10 is a characteristic cross-sectional schematic view of a heat sink of the present invention.
In the figure: 1. heat sink, 11, bottom plate, 111, via hole, 112, via hole flanging, 12, bending plate, 121, bending part, 122, bending line, 123, edge, 13 convection window, 131, notch line, 132a, 132b, leaf, 133, notch 16, 134, airflow line, 14, front folding heat sink, 15, back shell heat sink, 151, outer shell plate, 152, shell plate edge, 153, outer shell front folding plate, 1531, front folding edge, 154, back shell fixing edge, 2, light source plate, 3, front light-transmitting cover, 31, sealing groove, 32, outer ring sealing ring, 4, back lining plate, 5, outside fastening nail, 51, inside fastening nail, 6, power supply lead, 61, lead sealing device, 62, sealing sleeve, 63, sealing ring, 64, nut, 7, sealing ring, 8, module fixing frame, 81, lamp post connector, 82, reflector, 9, power supply.
Detailed Description
Fig. 1 shows an LED lamp (module) according to the present invention, in which the heat sink 1 has a front folded heat sink 14 and a rear heat sink 15, and is generally made of aluminum plate, the bending plate 12 of the front folded heat sink 14 and the outer shell plate 151 of the rear heat sink 15 are provided with convection windows 13, and the convection windows are illustrated as louver-type convection windows, and the cut line 131 of the convection window 13 should be a structure along the perpendicular line of the bending line 122 of the bending plate 12 and the bottom plate 11 (as shown in fig. 2, the cut line 131 is perpendicular to the bending line 122).
The convection area of the convection window is as large as possible, and the ratio of the sum of the effective window ventilation areas of the convection window 13 to the area of the bent 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 bent plate can be optimized and is not more than 1mm, and preferably not more than 0.7 mm.
Fig. 1 shows: the trailing flank of the bottom plate 11 of backshell fin 15 is provided with back welt 4, back welt 4 is passed to outside binding nail 5, light source board 2 and bottom plate 11, it passes to pass through printing opacity cover 3 before acting on, closely laminate light source board 2 and bottom plate 11, back welt 4 and light source board 2 and bottom plate 11 have the via hole corresponding with outside binding nail 5 (fig. 2 shows the corresponding via hole 111 of outside binding nail 5 of bottom plate 11), outside binding nail 5 can be screw or rivet, be the screw in the figure, there should be the screw on the preceding printing opacity cover 3. The bottom plate 11 should be a portion of the heat sink corresponding to the front light-transmitting cover 3 and the light source board 2, and heat from the light source board 2 is conducted to the bottom plate 11 (i.e., the heat sink) by contact heat transfer. The outer fastening 5 may also be a rivet.
Fig. 1 shows: two bottom plates 11 and a light source plate 2 are clamped between the front light-transmitting cover 4 and the rear lining plate 4, an outer ring sealing ring 32 is arranged between the front light-transmitting cover 3 and the light source plate 2, and an outer ring seal between the front light-transmitting cover 3 and the light source plate 2 is formed. In the figure, a wire sealing device 61 is provided, and a seal ring 63 of the wire sealing device 61 acts between the wire sealing device 61 and the power supply board 2 to seal between the wire sealing device 61 and the power supply board 2.
The figures show that: the edge 123 of the bent plate 12 adopts an edge strengthening structure, and the edge strengthening structure in the figure adopts a curling structure; the shell edge 152 of the outer shell 151 is formed by an edge reinforcement structure, which is a folded edge structure or a curled edge structure.
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, the 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 window ventilation effective area should be calculated using b.
In the present invention shown in fig. 5, the outer shell 151 adopts a forward bending structure to form an outer shell front folding plate 153, a front folding edge 1531 of the outer shell front folding plate 153 adopts an inward bending structure, an edge 123 of the bending plate 12 adopts an outward bending structure (a folding edge strengthening 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; the convection windows 13 of the housing plate 151 and the bent plate 12 are formed in a staggered structure.
In fig. 5, 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.
In fig. 5, the sealing ring 63 of the wire sealing device 61 acts between the wire sealing device 61 and the bottom plate 11 of the front folded heat sink 14 to form a seal between the wire sealing device 61 and the bottom plate 11 of the front folded heat sink 14; in the figure, the outer fastening nail 5 adopts a screw and a nut plate or a nut strip with a flanging threaded hole to be matched with the screw.
In the present invention shown in fig. 6, the front flap 153 of the housing is provided with a convection window 13 (a louver structure is shown, and a louver structure is also possible), and the cut line 131 of the convection window 13 is in the same direction as the cut line 131 of the convection window 13 on the bending plate 12 (as shown in fig. 7, the cut line is perpendicular to the dotted line (bending line 122)).
In fig. 6, an inner fastening nail 51 is provided, the inner fastening nail 51 penetrates through the bottom plate 11 of the folded heat sink 14 to act on the light source plate 2 for fastening the light source plate 2 to the bottom plate 11, and the inner fastening nail 51 may be a screw or a rivet, and is illustrated as a screw; here, a seal ring is provided, which acts between the bottom plate 11 of the front-folded fin 14 and the inner fastening nail 51 to seal between the bottom plate 11 of the front-folded fin 14 and the inner fastening nail 51. In the figure, the bottom plate 11 of the housing heat sink 15 has a through hole flange 112, and the sealing ring is disposed in the through hole flange 112. The h in the figure indicates the height of the module (lamp).
The LED street lamp of the present invention shown in fig. 8 comprises a module fixing frame 8, an LED street lamp module and a power supply 9, wherein a lamp post connector 81 is fixedly connected with the module fixing frame 8 through a bolt, the LED street lamp module is provided with a rear lining plate 4, the rear lining plate 4 is fixedly connected with the module fixing frame 8 through a screw, the module fixing frame 8 is made of an aluminum extrusion-molded section bar by a bending molding process, generally, a single aluminum section bar is bent and molded, so that two aluminum section bars can be bent into two symmetrical parts; the housing plate 151 is exposed to constitute a partial rear housing of the LED street lamp.
In the LED street lamp shown in fig. 9, the rear housing heat sink 151 extends out of the rear housing fixing edge 154, the rear housing fixing edge 154 is fixed to the module fixing frame 8 by screws, the height H of the module fixing frame 8 is not less than the height H of the LED street lamp module, the inner side of the module fixing frame 8 is provided with the reflective mirror 82, and the reflective mirror 82 should be vertically arranged with the light source plate 2 and the front translucent cover 3.
In the heat sink 1 shown in fig. 10, the front folded heat sink 14 and the rear shell heat sink 15 are fixedly connected into a whole by riveting, the connecting rivet is a through hole flanging 112 of a fastening nail on the bottom plate 11 of the front folded heat sink 14, the through hole flanging 112 is stretched out from the plate material of the bottom plate 11 of the front folded heat sink 14, and the matched through hole on the bottom plate 11 of the rear shell heat sink 15 has a lower hole flanging.
Furthermore, it is to be understood that while the specification has been described in terms of embodiments, it is not intended that each embodiment be construed as a separate embodiment, but rather that the descriptions be provided for purposes of clarity only, and that all embodiments shown and described herein are to be considered in all respects as illustrative and not restrictive.
Claims (10)
1. An LED street lamp module, including: fin (1), light source board (2), preceding printing opacity cover (3), outside binding nail (5), 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, light source board (2) are hugging closely preceding bottom plate (11) of rolling over fin (14), 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 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 incision 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 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),
preceding printing opacity cover (3) and light source board (2) or fold preceding bottom plate (11) of fin (14) between be provided with outer lane sealing washer (32), the LED light source sets up the inboard at outer lane sealing washer (32), and outside binding nail (5) set up in the outside of outer lane sealing washer (32), and it is sealed with the outer lane between bottom plate (11) of fin (14) before constituting printing opacity cover (3) and light source board (2).
2. The LED street lamp module set forth in claim 1, wherein: the light source plate is provided with a lead sealing device (61) which comprises a sealing ring (63), wherein the sealing ring (63) acts between the lead sealing device (61) and the light source plate (2) or the bottom plate (11) of the front folding radiating fin (14) to form the sealing between the lead sealing device (61) and the bottom plate (11) of the light source plate (2) or the front folding radiating fin (14).
3. The LED street lamp module set forth in claim 1, wherein: the light source plate is provided with inner side fastening nails (51) used for fastening the light source plate (2) to be attached to the bottom plate (11) of the front folding radiating fin (14), sealing rings acting between the bottom plate (11) of the front folding radiating fin (14) and the inner side fastening nails (51) are arranged, and sealing between the bottom plate (11) of the front folding radiating fin (14) and the inner side fastening nails (51) is formed.
4. The LED street lamp module as claimed in claim 1, 2 or 3, wherein: the edge (123) of the bent plate (12) adopts an edge strengthening structure.
5. The LED street lamp module as claimed in claim 1, 2 or 3, wherein: the outer shell plate (151) adopts a forward bending structure and is formed with an outer shell front folding plate (153).
6. The LED street lamp module set forth in claim 5, wherein: the front folded plate (153) of the shell is provided with a shutter type or staggered type convection window (13), and the cut line (131) of the convection window (13) adopts the same direction as the cut line (131) of the convection window (13) on the bent plate (12).
7. The LED street lamp module set forth in claim 5, wherein: the front folding edge (1531) of the front folding plate (153) of the shell adopts an inward folding structure, the edge (123) of the bending 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 bending plate (12).
8. An LED street lamp comprising a module fixing frame (8) and the LED street lamp module set forth in claim 1, wherein: module fixed frame (8) have adopted aluminium extrusion moulding's section bar, have adopted the fashioned structure of buckling, and backshell fixed limit (154) that backshell fin (15) stretched out 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 street lamp module, the inboard of module fixed frame (8) is provided with reflector (82).
9. The utility model provides a LED fin, 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), bottom plate (11) of backshell fin (15) and preceding bottom plate (11) laminating of rolling over fin (14), bottom plate (11) are opened the via hole that has the cramp, its characterized in that:
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 incision 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 front folding edge (1531) of the front folding plate (153) of the shell adopts an inward bending structure, the edge (123) of the bending plate (12) adopts an outward bending structure, the bending edge of the front folding edge (1531) is contacted with the bending edge of the edge (123) of the bending plate (12),
the front folded radiating fins (14) and the rear shell radiating fins (15) are fixedly connected into a whole by riveting, and the connecting rivet is a via hole flanging (112) of a via hole of the fastening nail on the bottom plate (11) of the front folded radiating fins (14).
10. The LED heat sink of claim 9, wherein: the shell plate (151) is provided with a shutter type or staggered convection window (13), and the cut line (131) of the convection window (13) on the shell plate (151) adopts the same direction as the cut line (131) of the convection window (13) on the bent plate (12).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202121091465.4U CN215982438U (en) | 2021-05-12 | 2021-05-12 | LED street lamp module, LED street lamp and radiating fin |
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Application Number | Priority Date | Filing Date | Title |
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CN202121091465.4U CN215982438U (en) | 2021-05-12 | 2021-05-12 | LED street lamp module, LED street lamp and radiating fin |
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CN215982438U true CN215982438U (en) | 2022-03-08 |
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CN202121091465.4U Active CN215982438U (en) | 2021-05-12 | 2021-05-12 | LED street lamp module, LED street lamp and radiating fin |
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2021
- 2021-05-12 CN CN202121091465.4U patent/CN215982438U/en active Active
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