High-luminous-efficiency LED lamp with efficient heat dissipation function

Abstract

The LED lamp comprises a lamp body, an aluminum nitride ceramic substrate, a lamp bead bonding pad, LED lamp beads, an optical lens, a heat insulation reflection cup, an illumination driving module, a light guide lampshade, a diffusion plate, a heat dissipation bonding pad, a heat conduction silicon film, a heat conduction base, a vacuum heat pipe, heat dissipation fins, a stepless speed change fan, a temperature sensor, a protective cover shell and an air guide grid opening. The light emitting efficiency of the LED lamp can be effectively improved, meanwhile, the heat dissipation efficiency is automatically regulated and controlled through the efficient heat dissipation internal structure, and it is guaranteed that the lighting effect of the high-power LED lamp is lasting and stable.

Description

Technical Field

[0001] The present invention relates to the technical field of LED lamps, in particular to the technical field of high-efficiency LED lamps with efficient heat dissipation. Background Art

[0002] LED lighting products have the advantages of energy saving, environmental protection, long life, short start-up time, solid structure, small size and high efficiency. They are widely used in display, lighting and other fields and have become an advanced technology leading the future lighting.

[0003] With the advancement of LED packaging technology, in pursuit of low cost and high light efficiency, the power per unit area is getting higher and higher. The temperature of LED lamps increases when driven at high power. The performance and life of LED lamps will decrease under high temperature conditions. Therefore, how to solve the heat dissipation problem of high-power LED lamps and improve the luminous efficiency has become the top priority of lighting technology breakthroughs. Summary of the invention

[0004] The purpose of the present invention is to solve the problems in the prior art and to propose a high-light-efficiency LED lamp with efficient heat dissipation, which can effectively improve the luminous efficiency of the LED lamp. At the same time, the heat dissipation efficiency is automatically adjusted through the internal structure with efficient heat dissipation, thereby ensuring that the lighting effect of the high-power LED lamp is long-lasting and stable.

[0005] To achieve the above-mentioned purpose, the present invention proposes a high-light-efficiency LED lamp with efficient heat dissipation, comprising a lamp body, an aluminum nitride ceramic substrate, a lamp bead soldering pad, an LED lamp bead, an optical lens, a heat-insulating reflective cup, a lighting drive module, a light guide lampshade, a diffusion plate, a heat dissipation soldering pad, a heat-conducting silicone film, a heat-conducting base, a vacuum heat pipe, a heat dissipation fin, a stepless speed-changing fan, a temperature sensor, a protective cover shell and an air guide grid opening, wherein an aluminum nitride ceramic substrate is arranged inside the lamp body, a plurality of LED lamp beads are welded to the bottom of the aluminum nitride ceramic substrate through the lamp bead soldering pad, an optical lens is arranged on the outer side of the LED lamp bead, a heat-insulating reflective cup is arranged inside the lamp body, the heat-insulating reflective cup is sleeved on the outer side of the LED lamp bead, a lighting drive module is arranged on the outer side of the heat-insulating reflective cup, the lighting drive module is connected to the LED lamp bead, and the A light guide lampshade is arranged at the lower part of the lamp body, a diffusion plate is arranged at the top of the light guide lampshade, a heat dissipation pad is arranged at the top of the aluminum nitride ceramic substrate, the heat dissipation pad and the lamp bead pad are welded together by a high thermal conductivity welding rod, a thermally conductive silicone film is adhered to the top of the heat dissipation pad, a thermally conductive base is contacted with the top of the thermally conductive silicone film, a plurality of vacuum heat pipes are evenly interspersed in the thermally conductive base, a plurality of heat dissipation fins are evenly interspersed on the vacuum heat pipes, a continuously variable speed fan is fixedly arranged on the side of the heat dissipation fin, a temperature sensor is connected to the side of the heat dissipation pad, and the temperature sensor is connected to the continuously variable speed fan, a protective cover shell is arranged on the upper part of the lamp body, the protective cover shell is arranged on the outside of the continuously variable speed fan, and air guide grille openings are symmetrically arranged on the side of the protective cover shell.

[0006] Preferably, the light guide lampshade is an arc-shaped light-transmitting lampshade, and an anti-glare light guide plate is provided at the bottom of the light guide lampshade.

[0007] Preferably, the vacuum heat pipe is a vacuum-sealed heat-conducting copper pipe, and the vacuum heat pipe is filled with a phase change fluid.

[0008] Preferably, the LED lamp beads are high-power LED lamp beads, the optical lens is a high-temperature resistant glass lens, there are multiple LED lamp beads, and the optical lenses and LED lamp beads are arranged in a one-to-one correspondence.

[0009] Preferably, the inner side surface of the heat-insulating reflective cup is evenly provided with a reflective coating, and the outer side surface of the heat-insulating reflective cup is coated with an aluminum foil heat-insulating film.

[0010] Preferably, the heat dissipation pad and the lamp bead pad are both copper pads, and the surface area of ​​the heat dissipation pad is greater than the surface area of ​​the lamp bead pad.

[0011] Preferably, the thermally conductive base is a copper-plated aluminum base, and the heat dissipation fins are aluminum fins.

[0012] Preferably, there are two continuously variable speed fans, which are symmetrically arranged on two sides of the heat dissipation fins, and the wind guiding directions of the continuously variable speed fans are consistent.

[0013] Preferably, a dust filter is detachably provided in the opening of the air guide grid.

[0014] Beneficial effects of the invention: The invention combines a lamp body, an aluminum nitride ceramic substrate, a lamp bead soldering pad, an LED lamp bead, an optical lens, a heat-insulating reflective cup, a lighting drive module, a light guide lampshade, a diffusion plate, a heat-dissipating soldering pad, a heat-conducting silicone film, a heat-conducting base, a vacuum heat pipe, a heat-dissipating fin, a stepless speed-changing fan, a temperature sensor, a protective cover shell and an air guide grid opening together, and after experimental optimization, the light generated by the LED lamp bead can be concentratedly projected onto the diffusion plate through the optical lens in combination with the heat-insulating reflective cup, with high light efficiency, and the light is evenly diffused through the diffusion plate and then enters the light guide plate for transmission lighting, and the lighting The effect is uniform. The heat generated by the LED lamp beads is quickly transferred to the heat dissipation pad through the lamp bead pad. The heat dissipation pad and the thermally conductive silicone film transfer the heat to the thermal base through the fitting part. The vacuum heat pipe clamped in the thermal base transfers the heat to the cooling fins for large-area heat dissipation. The continuously variable speed fan allows the airflow to pass through the cooling fin matrix quickly to improve the heat dissipation efficiency of the cooling fins. The temperature sensor senses the temperature of the heat dissipation pad in real time and controls the continuously variable speed fan to adjust the wind speed, thereby controlling the heat dissipation efficiency, ensuring the efficient and stable heat dissipation of the LED lamp, and helping to ensure the long-term and stable use of the LED lamp.

[0015] The features and advantages of the present invention will be described in detail through embodiments in conjunction with the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural schematic diagram of a high-light-efficiency LED lamp with efficient heat dissipation according to the present invention.

[0017] In the figure: 1-lamp body, 2-aluminum nitride ceramic substrate, 3-lamp bead pad, 4-LED lamp bead, 5-optical lens, 6-thermal insulation reflective cup, 7-lighting drive module, 8-light guide lamp cover, 9-diffuser plate, 10-heat dissipation pad, 11-thermal conductive silicone film, 12-thermal conductive base, 13-vacuum heat pipe, 14-heat dissipation fin, 15-stepless speed fan, 16-temperature sensor, 17-protective cover shell, 18-air guide grille opening. DETAILED DESCRIPTION

[0018] See also Figure 1The high-efficiency LED lamp with efficient heat dissipation of the present invention comprises a lamp body 1, an aluminum nitride ceramic substrate 2, a lamp bead pad 3, an LED lamp bead 4, an optical lens 5, a heat-insulating reflective cup 6, a lighting drive module 7, a light guide lampshade 8, a diffusion plate 9, a heat dissipation pad 10, a heat-conducting silicone film 11, a heat-conducting base 12, a vacuum heat pipe 13, a heat dissipation fin 14, a stepless speed-changing fan 15, a temperature sensor 16, a protective cover shell 17 and an air guide grid opening 18, wherein the interior of the lamp body 1 is provided with an aluminum nitride ceramic substrate 2, the bottom of the aluminum nitride ceramic substrate 2 is welded with a plurality of LED lamp beads 4 through the lamp bead pad 3, the outer cover of the LED lamp bead 4 is provided with an optical lens 5, the interior of the lamp body 1 is provided with a heat-insulating reflective cup 6, the insulation The heat reflective cup 6 is sleeved on the outside of the LED lamp bead 4, and a lighting drive module 7 is arranged on the outside of the heat-insulating reflective cup 6, and the lighting drive module 7 is connected to the LED lamp bead 4. A light guide lampshade 8 is arranged at the lower part of the lamp body 1, and a diffusion plate 9 is arranged on the top of the light guide lampshade 8. A heat dissipation pad 10 is arranged on the top of the aluminum nitride ceramic substrate 2, and the heat dissipation pad 10 and the lamp bead pad 3 are welded together by a high thermal conductivity welding rod. A heat conductive silicone film 11 is adhered to the top of the heat dissipation pad 10, and a heat conductive base 12 is arranged in contact with the top of the heat conductive silicone film 11, and a plurality of vacuum heat pipes 13 are evenly interspersed in the heat conductive base 12, and a plurality of heat dissipation fins are evenly interspersed on the vacuum heat pipe 13. The heat sink 14 is provided with a continuously variable speed fan 15 fixedly disposed on the side of the heat sink 14, a temperature sensor 16 is connected to the side of the heat sink 10, and the temperature sensor 16 is connected to the continuously variable speed fan 15. A protective cover shell 17 is disposed on the upper part of the lamp body 1, and the protective cover shell 17 is disposed on the outside of the continuously variable speed fan 15. The side of the protective cover shell 17 is symmetrically provided with air guide grille openings 18. The light guide lampshade 8 is an arc-shaped light-transmitting lampshade, and an anti-glare light guide plate is disposed at the bottom of the light guide lampshade 8. The vacuum heat pipe 13 is a vacuum-sealed heat-conducting copper pipe, and the vacuum heat pipe 13 is filled with a phase change liquid. The LED lamp beads 4 are high-power LED lamp beads 4, and the optical lens 5 is a high-temperature resistant glass glass lens, there are multiple LED lamp beads 4, the optical lens 5 and the LED lamp beads 4 are arranged in a one-to-one correspondence, the inner side of the heat-insulating reflective cup 6 is evenly provided with a reflective coating, the outer side of the heat-insulating reflective cup 6 is covered with an aluminum foil insulation film, the heat dissipation pad 10 and the lamp bead pad 3 are both copper pads, the surface area of ​​the heat dissipation pad 10 is greater than the surface area of ​​the lamp bead pad 3, the thermal conductive base 12 is a copper-plated aluminum base, the heat dissipation fins 14 are aluminum fins, there are two continuously variable speed fans 15, the two continuously variable speed fans 15 are symmetrically arranged on the two sides of the heat dissipation fins 14, the wind guide direction of the continuously variable speed fan 15 is consistent, and a dust filter is detachably provided in the air guide grid opening 18.

[0019] The present invention combines a lamp body 1, an aluminum nitride ceramic substrate 2, a lamp bead soldering pad 3, an LED lamp bead 4, an optical lens 5, a heat-insulating reflective cup 6, a lighting drive module 7, a light guide lampshade 8, a diffusion plate 9, a heat dissipation soldering pad 10, a heat-conducting silicone film 11, a heat-conducting base 12, a vacuum heat pipe 13, a heat dissipation fin 14, a stepless speed-changing fan 15, a temperature sensor 16, a protective cover shell 17 and an air guide grid opening 18 together, and after experimental optimization, the optical lens 5 can cooperate with the heat-insulating reflective cup 6 to concentrate the light generated by the LED lamp bead 4 and project it onto the diffusion plate 9, with high light efficiency, and the light is evenly diffused through the diffusion plate 9 and then enters the light guide plate for transmission lighting, and the lighting effect is uniform. The heat generated by the LED lamp bead 4 is quickly transferred to the heat dissipation pad 10 through the lamp bead pad 3, and the heat dissipation pad 10 cooperates with the thermal conductive silicone film 11 to transfer the heat to the thermal conductive base 12 through the fitting part. The vacuum heat pipe 13 clamped in the thermal conductive base 12 transfers the heat to the heat dissipation fins 14 for large-area heat dissipation. The continuously variable speed fan 15 allows the airflow to quickly pass through the heat dissipation fin 14 matrix to improve the heat dissipation efficiency of the heat dissipation fins 14. The temperature sensor 16 senses the temperature of the heat dissipation pad 10 in real time and controls the continuously variable speed fan 15 to adjust the wind speed, thereby controlling the heat dissipation efficiency, ensuring that the heat dissipation of the LED lamp is efficient and stable, and is conducive to ensuring the long-term and stable use of the LED lamp.

[0020] The above embodiments are intended to illustrate the present invention, not to limit the present invention. Any solution that is a simple transformation of the present invention belongs to the protection scope of the present invention.

Claims

1. High-efficiency LED lamp with efficient heat dissipation, characterized by: The invention comprises a lamp body (1), an aluminum nitride ceramic substrate (2), a lamp bead soldering pad (3), an LED lamp bead (4), an optical lens (5), a heat-insulating reflective cup (6), a lighting drive module (7), a light guide lampshade (8), a diffusion plate (9), a heat dissipation soldering pad (10), a heat-conducting silicone film (11), a heat-conducting base (12), a vacuum heat pipe (13), a heat dissipation fin (14), a stepless speed-variable fan (15), a temperature sensor (16), a protective cover shell (17) and an air guide grille opening (18), wherein the interior of the lamp body (1) is provided with an aluminum nitride ceramic substrate (2), a lamp bead soldering pad (3), an LED lamp bead (4), an optical lens (5), a heat-insulating reflective cup (6), a lighting drive module (7), a light guide lampshade (8), a diffusion plate (9), a heat dissipation soldering pad (10), a heat-conducting silicone film (11), a heat-conducting base (12), a vacuum heat pipe (13), a heat dissipation fin (14), a stepless speed-variable fan (15), a temperature sensor (16), a protective cover shell (17) and an air guide grille opening (18). An aluminum ceramic substrate (2), a plurality of LED lamp beads (4) are welded to the bottom of the aluminum nitride ceramic substrate (2) via lamp bead welding pads (3), an optical lens (5) is provided on the outer side of the LED lamp bead (4), a heat insulating reflective cup (6) is provided inside the lamp body (1), the heat insulating reflective cup (6) is sleeved on the outer side of the LED lamp bead (4), a lighting drive module (7) is provided on the outer side of the heat insulating reflective cup (6), the lighting drive module (7) is connected to the LED lamp bead (4), and a guide is provided at the lower part of the lamp body (1). A light guide lampshade (8), a diffusion plate (9) is arranged on the top of the light guide lampshade (8), a heat dissipation pad (10) is arranged on the top of the aluminum nitride ceramic substrate (2), the heat dissipation pad (10) and the lamp bead pad (3) are welded together by a high thermal conductivity welding rod, a heat conductive silicone film (11) is adhered to the top of the heat dissipation pad (10), a heat conductive base (12) is arranged in contact with the top of the heat conductive silicone film (11), a plurality of vacuum heat pipes (13) are evenly interspersed in the heat conductive base (12), and the vacuum heat pipes A plurality of heat dissipation fins (14) are evenly interspersed on the lamp body (13); a stepless speed-changing fan (15) is fixedly arranged on the side of the heat dissipation fins (14); a temperature sensor (16) is connected to the side of the heat dissipation pad (10); the temperature sensor (16) is connected to the stepless speed-changing fan (15); a protective cover shell (17) is arranged on the upper part of the lamp body (1); the protective cover shell (17) is arranged on the outside of the stepless speed-changing fan (15); and air guide grille openings (18) are symmetrically arranged on the side of the protective cover shell (17).

2. The high-efficiency LED lamp with high heat dissipation as claimed in claim 1, characterized in that: The light guide lampshade (8) is an arc-shaped light-transmitting lampshade, and an anti-glare light guide plate is provided at the bottom of the light guide lampshade (8).

3. The high-efficiency LED lamp with high heat dissipation as claimed in claim 1, characterized in that: The vacuum heat pipe (13) is a vacuum-sealed heat-conducting copper pipe, and the vacuum heat pipe (13) is filled with a phase-change liquid.

4. The high-efficiency LED lamp with high heat dissipation as claimed in claim 1, characterized in that: The LED lamp beads (4) are high-power LED lamp beads (4), the optical lens (5) is a high-temperature resistant glass lens, there are a plurality of LED lamp beads (4), and the optical lenses (5) and LED lamp beads (4) are arranged in a one-to-one correspondence.

5. The high-efficiency LED lamp with high heat dissipation as claimed in claim 1, characterized in that: The inner side surface of the heat-insulating reflective cup (6) is evenly provided with a reflective coating, and the outer side surface of the heat-insulating reflective cup (6) is coated with an aluminum foil heat-insulating film.

6. The high-efficiency LED lamp with high heat dissipation as claimed in claim 1, characterized in that: The heat dissipation pad (10) and the lamp bead pad (3) are both copper pads, and the surface area of ​​the heat dissipation pad (10) is greater than the surface area of ​​the lamp bead pad (3).

7. The high-efficiency LED lamp with high heat dissipation as claimed in claim 1, characterized in that: The heat-conducting base (12) is a copper-plated aluminum base, and the heat dissipating fins (14) are aluminum fins.

8. The high-efficiency LED lamp with high heat dissipation as claimed in claim 1, characterized in that: There are two stepless speed-variable fans (15), which are symmetrically arranged on two sides of the heat dissipation fins (14), and the wind guide directions of the stepless speed-variable fans (15) are consistent.

9. The high-efficiency LED lamp with high heat dissipation as claimed in claim 1, characterized in that: A dust filter is detachably provided in the air guide grid opening (18).

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