CN213872381U - LED projecting lamp with heat abstractor - Google Patents
LED projecting lamp with heat abstractor Download PDFInfo
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- CN213872381U CN213872381U CN202022945258.2U CN202022945258U CN213872381U CN 213872381 U CN213872381 U CN 213872381U CN 202022945258 U CN202022945258 U CN 202022945258U CN 213872381 U CN213872381 U CN 213872381U
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- heat dissipation
- dissipation device
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Abstract
The utility model provides a LED projection lamp with a heat dissipation device, which comprises a projection lamp shell, an LED light source plate, a cavity heat dissipation device and a shell heat dissipation device; the utility model can avoid the problems of internal resistance reduction and damage of internal elements due to overlarge current caused by long-time work of the LED light source plate in a high-temperature environment through the arrangement of the cavity heat dissipation device and the shell heat dissipation device, thereby prolonging the service life of the LED projection lamp; the utility model belongs to the technical field of the LED projecting lamp.
Description
Technical Field
The utility model belongs to the technical field of the LED projecting lamp, especially, relate to a LED projecting lamp with heat abstractor.
Background
The LED projection lamp is a lamp with the illumination intensity on the appointed illuminated surface higher than the ambient environment, and is mainly used for large-area operation mines, building outlines, stadiums, overpasses, monuments, parks, flower beds and the like.
SUMMERY OF THE UTILITY MODEL
The utility model provides a LED projecting lamp with heat abstractor to solve LED light source board and work for a long time under high temperature environment and cause the internal resistance to reduce, the too big problem of electric current, thereby avoid the impaired life-span that improves LED light source board of internal component.
The following is the technical proposal adopted by the utility model:
the utility model comprises a light projecting lamp shell, an LED light source plate, a cavity heat dissipation device and a shell heat dissipation device;
the cavity heat dissipation device comprises a light source cavity arranged at one end of a light projection lamp shell and a cavity exhaust fan arranged on the peripheral wall of the light projection lamp shell, wherein a light projection lamp cover is arranged at one end of the light source cavity, a heat conduction aluminum plate is arranged at the other end of the light source cavity, a heat conduction silica gel insulation sheet is arranged on the LED light source plate and is arranged on the front surface of the heat conduction aluminum plate through the heat conduction silica gel insulation sheet, an air inlet groove is formed in one side of the light source cavity, an air outlet groove is formed in the other side of the light source cavity, an exhaust pipe communicated with the outside of the light projection lamp shell is arranged in the air outlet groove, and the exhaust pipe is connected with the cavity exhaust fan;
the shell heat dissipation device comprises an aluminum profile heat dissipation part, an air deflector and a shell exhaust fan, the aluminum profile heat dissipation part is installed on the back face of the heat conduction aluminum plate, the aluminum profile heat dissipation part is provided with a plurality of heat dissipation fins, the air deflector is arranged at the other end of the shell and matched with the aluminum profile heat dissipation part, the air deflector is provided with a plurality of truncated cone-shaped air guide holes, small holes of the truncated cone-shaped air guide holes face the aluminum profile heat dissipation part, the shell exhaust fan is installed on the peripheral wall of the shell of the projection lamp, and the projection lamp shell is provided.
Preferably, an air outlet mesh plate is arranged at the air inlet end of the exhaust pipe.
Preferably, the air inlet groove is provided with an air inlet pipe communicated with the outside of the light projection lamp shell.
Preferably, the tail end of the air inlet pipe is provided with an air inlet mesh plate.
Preferably, the outer wall of the projection lamp shell is provided with a rainproof baffle matched with the tail end of the exhaust pipe, the tail end of the air inlet pipe, the air deflector and the air outlet mesh.
Preferably, a rain baffle plate matched with the air outlet mesh, the exhaust pipe and the air inlet pipe is arranged in the rain-proof baffle plate.
Preferably, a heat-conducting silica gel sheet is placed between the aluminum profile heat-radiating piece and the heat-conducting aluminum plate.
The utility model has the advantages that:
the light source cavity is provided with an air inlet groove, an air outlet groove and a cavity exhaust fan, so that air in the light source cavity is exchanged with air outside the light source cavity, and heat of an LED light source plate installed in the light source cavity is brought to the periphery along with air flow and is discharged out of the light projection lamp shell. The shell heat dissipation device can transfer heat emitted by the LED light source plate to the aluminum heat dissipation part through the arrangement of the aluminum heat dissipation part and then the heat is dissipated to ambient air through the aluminum heat dissipation part, the arrangement of the shell exhaust fan can enable air in the projection lamp shell to exchange with air outside the projection lamp shell, so that the heat of the projection lamp shell is taken to the ambient air along with the air flow and is discharged outside the projection lamp shell, and the air deflector generates a throttling effect through the circular truncated cone-shaped air guide hole, so that the temperature of the air entering the shell is rapidly reduced. The utility model discloses a cavity heat abstractor and casing heat abstractor's setting can avoid LED light source board to work for a long time under high temperature environment and cause the internal resistance to reduce, the electric current is too big to improve the life-span of the impaired and LED projecting lamp of inner member.
Drawings
In order to more clearly illustrate the embodiments of the present invention, the drawings that are used in the description of the embodiments or the related art will be briefly described below.
Fig. 1 is a cross-sectional view of the present invention;
fig. 2 is a front view of the present invention.
Reference numerals:
1. a light projector housing; 2. an LED light source plate; 3. a cavity heat sink; 31. a light source cavity; 32. a light projecting lamp cover; 33. a heat conducting aluminum plate; 34. an air inlet groove; 35. an air outlet groove; 36. an exhaust pipe; 37. a cavity exhaust fan; 38. an air outlet mesh plate; 39. an air inlet pipe; 391. an air inlet mesh plate; 4. a housing heat sink; 41. an aluminum section heat sink; 42. an air deflector; 43. a housing exhaust fan; 431. an air outlet mesh piece; 44. heat dissipation fins; 45. a truncated cone-shaped air guide hole; 5. a rain-proof baffle plate; 51. keep off the small plate of rain.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
As shown in fig. 1 and 2, the utility model comprises a light projecting lamp casing 1, an LED light source plate 2, a cavity heat sink 3 and a casing heat sink 4;
the cavity heat dissipation device 3 comprises a light source cavity 31 arranged at one end of the light projecting lamp shell 1, a light projecting lamp cover 32 is arranged at one end of the light source cavity 31, a heat-conducting aluminum plate 33 is arranged at the other end of the light source cavity 31, the LED light source plate 2 is provided with a heat-conducting silica gel insulating sheet and is arranged on the front surface of the heat-conducting aluminum plate 33 through the heat-conducting silica gel insulating sheet, an air inlet groove 34 is arranged at one side of the light source cavity 31, the air inlet groove 34 is provided with an air inlet pipe 39 communicated with the outside of the light projecting lamp shell 1, an air inlet mesh plate 391 is arranged at a near air port of the air inlet pipe 39, an air outlet groove 35 is arranged at the other side of the light source cavity 31, the air outlet groove 35 is provided with an exhaust pipe 36 communicated with the outside of the light projecting lamp shell 1, an air outlet mesh plate 38 is arranged at an air outlet of the exhaust pipe 36, and a cavity exhaust fan 37 connected with the exhaust pipe 36 is arranged on the light projecting lamp shell 1;
the light source cavity 31 in the cavity heat sink 3 exchanges air in the light source cavity 31 with air outside the light source cavity 31 through the arrangement of the air inlet slot 34 and the air outlet slot 35, so that heat of the LED light source board 2 installed in the light source cavity 31 is brought to the periphery along with the air flow and is discharged out of the light projecting lamp shell 1; the cavity heat sink 3 can prevent the sundries in the air from being brought into the light source cavity 31 during air exchange through the arrangement of the air inlet mesh plate 391 and the air outlet mesh plate 38, and the cavity heat sink 3 can prevent the heat in the light projecting lamp shell 1 from being led into the light source cavity 31 through the arrangement of the air inlet pipe 39.
Casing heat abstractor 4 includes aluminium alloy heat dissipation piece 41, aviation baffle 42 and casing air discharge fan 43, aluminium alloy heat dissipation piece 41 is installed in heat conduction aluminum plate 33's the back, heat conduction silica gel piece has been placed between aluminium alloy heat dissipation piece 41 and the heat conduction aluminum plate 33, aluminium alloy heat dissipation piece 41 is equipped with a plurality of heat radiation fins 44, aviation baffle 42 sets up in the casing other end and cooperates with aluminium alloy heat dissipation piece 41, aviation baffle 42 is equipped with a plurality of round platform shape guiding hole 45, the aperture of round platform shape guiding hole 45 is towards aluminium alloy heat dissipation piece 41, casing air discharge fan 43 is installed in one side of light projector casing 1, light projector casing 1 is equipped with the mesh of giving vent to anger with casing air discharge fan 43 complex.
The LED light source plate 2 transfers heat to the aluminum profile heat sink 41 through the heat conducting aluminum plate 33, and then the heat is dissipated to the air around the heat dissipating fins 44 through the aluminum heat sink and the heat dissipating fins 44, the cooperation of the casing exhaust fan 43 and the air deflector 42 enables the air around the heat dissipating fins 44 to exchange with the air outside the light projecting lamp casing 1, so that the heat of the light projecting lamp casing 1 is brought to the surrounding along with the air flow and discharged out of the light projecting lamp casing 1, the air deflector 42 generates a throttling effect through the arrangement of the circular truncated cone-shaped air guiding holes 45, and the temperature of the air entering the casing is rapidly reduced.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.
Claims (7)
1. The utility model provides a LED projecting lamp with heat abstractor, its includes light projector lamp casing (1) and LED light source board (2), its characterized in that: the LED projection lamp with the heat dissipation device further comprises a cavity heat dissipation device (3) and a shell heat dissipation device (4);
the cavity heat dissipation device (3) comprises a light source cavity (31) arranged at one end of the light projection lamp shell (1) and a cavity exhaust fan (37) arranged on the peripheral wall of the light projection lamp shell (1), a light projection lamp cover (32) is arranged at one end of the light source cavity (31), a heat conduction aluminum plate (33) is arranged at the other end of the light source cavity (31), the LED light source plate (2) is provided with a heat conduction silica gel insulation sheet and is arranged on the front surface of the heat conduction aluminum plate (33), an air inlet groove (34) is arranged at one side of the light source cavity (31), an air outlet groove (35) is arranged at the other side of the light source cavity (31), and an exhaust pipe (36) connected with the cavity exhaust fan (37) is arranged on the air outlet groove (35);
the shell heat dissipation device (4) comprises an aluminum profile heat dissipation piece (41), an air guide plate (42) and a shell exhaust fan (43), the aluminum profile heat dissipation piece (41) is installed on the back face of the heat conduction aluminum plate (33), the aluminum profile heat dissipation piece (41) is provided with a plurality of heat dissipation fins (44), the air guide plate (42) is arranged at the other end of the shell, the air guide plate (42) is provided with a plurality of truncated cone-shaped air guide holes (45), small holes of the truncated cone-shaped air guide holes (45) face towards the aluminum profile heat dissipation piece (41), the shell exhaust fan (43) is installed on the peripheral wall of the light projection lamp shell (1), and the shell exhaust fan (43) is provided with an air outlet mesh piece (431).
2. The LED projector with the heat dissipation device as claimed in claim 1, wherein: and an air outlet mesh plate (38) is arranged at an air outlet of the exhaust pipe (36).
3. The LED projector with the heat dissipation device as claimed in claim 2, wherein: the air inlet groove (34) is provided with an air inlet pipe (39) communicated with the exterior of the projection lamp shell (1).
4. The LED projector with the heat dissipation device as set forth in claim 3, wherein: and an air inlet mesh plate (391) is arranged at the tail end of the air inlet pipe (39).
5. The LED projector with the heat dissipation device as set forth in claim 4, wherein: the outer wall of the light projecting lamp shell is provided with a rainproof baffle (5) matched with the tail end of the air inlet pipe (39), the tail end of the exhaust pipe (36), the air deflector (42) and the air outlet mesh.
6. The LED floodlight with the heat dissipation device according to claim 5, wherein: rain baffles (51) are arranged beside the air outlet mesh, the air outlet pipe (36) and the air inlet pipe (39).
7. The LED floodlight with the heat dissipation device according to any one of claims 1 to 6, wherein: and a heat-conducting silica gel sheet is arranged between the aluminum profile heat dissipation piece (41) and the heat-conducting aluminum plate (33).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022945258.2U CN213872381U (en) | 2020-12-10 | 2020-12-10 | LED projecting lamp with heat abstractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022945258.2U CN213872381U (en) | 2020-12-10 | 2020-12-10 | LED projecting lamp with heat abstractor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213872381U true CN213872381U (en) | 2021-08-03 |
Family
ID=77065909
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022945258.2U Active CN213872381U (en) | 2020-12-10 | 2020-12-10 | LED projecting lamp with heat abstractor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213872381U (en) |
-
2020
- 2020-12-10 CN CN202022945258.2U patent/CN213872381U/en active Active
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