CN204853016U - LED lighting device - Google Patents

Abstract

The utility model proposes an LED lighting device, including an aluminum substrate, a light reflecting plate, and an LED lamp. The light reflecting plate is provided with a plurality of first grooves at one end away from the aluminum substrate; a second groove is provided at the side of the aluminum substrate away from the light reflecting plate, and heat dissipation fins are distributed in the second grooves; the LED lamp includes a base, an LED lamp body, and an outer lampshade. The base is installed on the aluminum substrate through the first grooves, the outer lampshade is installed on the base and forms a first cavity with the base, and the LED lamp body is arranged in the first cavity and installed on the base. When the utility model is used, the heat dissipation fins in the second grooves timely take away the heat generated when the LED lamp is working, so as to realize rapid cooling of the LED lighting device. The utility model has a simple structure, and the heat dissipation fins can timely discharge the heat generated when the LED lamp is working, and has a good heat dissipation effect and a long service life. The LED lamp adopts a double plastic lampshade structure, which is dustproof and waterproof, and solves the problem that the existing incandescent lamps and electronic energy-saving lamps are fragile.

Description

A kind of LED lighting device

technical field

The utility model relates to the technical field of lighting devices, in particular to an LED lighting device.

Background technique

Light-emitting diodes, that is, LEDs, are another breakthrough in lighting technology after oil lamps, incandescent lamps, and fluorescent lamps. The birth of blue light-emitting diodes completes the spectrum, making white LEDs possible, and eventually enters thousands of households. It can directly convert electrical energy into visible light and radiant energy. It has the characteristics of low working voltage, low power consumption, high luminous efficiency, short response time, impact resistance, vibration resistance, stable and reliable performance, and non-toxic and harmless lamps. It is now widely used Used in various lighting and decoration fields.

Chinese patent 201420764730.4 discloses an LED panel light, which includes an aluminum substrate, on which several LED lamp beads are arranged, and a light reflection plate is provided on the LED lamp beads, and the light reflection plate corresponds to each A reflector is provided on an LED lamp bead, several heat dissipation plates are provided on the back of the aluminum substrate, a heat dissipation cover is provided on the back of the aluminum substrate, a heat dissipation device is provided on one side of the heat dissipation cover, and a heat dissipation device is provided on the other side There are cooling holes on it. The utility model is provided with a heat dissipation device and a heat dissipation hole, so that cold air is generated under the action of the heat dissipation device, and the heat generated inside the lamp is forcibly discharged from the heat dissipation hole in time, so as to prevent the internal temperature of the lamp from being too high and prolong the service life of the lamp. But this utility model heat dissipation device is arranged on the outside of heat dissipation cover, and cold wind is difficult to enter in the panel light, and heat dissipation effect is poor, and service life is short.

Utility model content

In order to solve the technical problems in the background technology, the utility model provides an LED lighting device, which has good heat dissipation effect and long service life.

An LED lighting device proposed by the utility model includes an aluminum substrate, a light reflection plate, and an LED lamp. The light reflection plate is installed on the aluminum substrate. One side of the light reflection plate is provided with a second groove, and heat dissipation fins are distributed in the second groove, and all heat dissipation fins are arranged in parallel at equal intervals, and are perpendicular to the bottom of the second groove; the LED lamp includes a base, an LED lamp The main body, the outer lampshade, and the base are installed on the aluminum substrate through the first groove, the outer lampshade is installed on the base and forms a first cavity with the base, and the LED lamp main body is arranged in the first cavity and installed on the base.

Preferably, a light guide plate is arranged on the front end of the LED lamp on the light reflection plate, a storage cavity is surrounded by the light reflection plate and the light guide plate, a fan is provided on the inner peripheral side wall of the light reflection plate, and a first ventilation The air inlets of the first air channel are all connected to the first groove, and the second air channel is provided in the circumferential side wall of the aluminum substrate, and the second air channel is connected to the first air channel.

Preferably, the main body of the LED lamp includes a lamp holder, an LED lamp bead, and an inner lampshade. cavity and mounted on the lamp holder.

Preferably, first cooling ribs are distributed on the inner wall of the first air duct.

Preferably, the periphery of each cooling fin is provided with rectangular teeth.

Preferably, the second cooling ribs are distributed on a section of the base located in the groove.

Preferably, a temperature sensing device is provided inside the aluminum substrate, the fan is a variable frequency fan, and the temperature sensing device is connected to the fan.

In the utility model, a plurality of first grooves are provided at the end of the light reflection plate away from the aluminum base plate; second grooves are provided at the side of the aluminum base plate away from the light reflection plate, and heat dissipation fins are distributed in the second grooves; LED lights It includes a base, a main body of the LED lamp, and an outer lampshade. The base is installed on the aluminum substrate through the first groove. The outer lampshade is installed on the base and forms a first cavity with the base. The main body of the LED lamp is arranged in the first cavity and Mounted on the base. When the utility model is used, the heat dissipation fins in the second groove take away the heat generated when the LED lamp works in time, so as to realize the rapid cooling of the LED lighting device. The utility model has a simple structure, can discharge the heat generated by the LED lamp in time, has a good heat dissipation effect, and has a long service life. Fragile question.

Description of drawings

Fig. 1 is a schematic structural diagram of an LED lighting device proposed by the present invention.

Detailed ways

Referring to Fig. 1, the utility model proposes an LED lighting device, which includes an aluminum substrate 1, a light reflection plate 2, and an LED lamp. A first groove 23. A second groove 11 is provided on the side of the aluminum substrate 1 away from the light reflection plate 2, and heat dissipation fins 12 are distributed in the second groove 11. All heat dissipation fins 12 are arranged in parallel at equal intervals, and are all aligned with the second groove 11. The bottom is vertical; the periphery of each cooling fin 12 is provided with rectangular teeth 13 . The LED lamp includes a base 31, a main body of the LED lamp, and an outer lampshade 32. The base 31 passes through the first groove 23 and is installed on the aluminum substrate 1. The outer lampshade 32 is installed on the base 31 and forms a first cavity 33 with the base 31. The main body of the LED lamp is disposed in the first cavity 33 and installed on the base 31 .

In this embodiment, the main body of the LED lamp includes a lamp holder 34, LED lamp beads 37, and an inner lampshade 35. The lamp holder 34 is installed on the base 31, and the inner lampshade 35 is installed on the lamp holder 34 and forms a second space with the lamp holder 34. cavity 36 , the LED lamp bead 37 is disposed in the second cavity 36 and mounted on the lamp holder 34 . A section of the base 31 located in the groove 23 is distributed with second heat dissipation ribs 38 , and the cooling air can fully contact the second heat dissipation ribs 38 to take away more heat.

In this embodiment, a light guide plate 4 is arranged on the light reflection plate 2 at the front end of the LED lamp, and the light reflection plate 2 and the light guide plate 4 form a storage cavity. The reflector 2 is provided with a first air channel 21 , and the air inlets 24 of the first air channel 21 are connected with the first groove 23 . A second air passage 14 is provided in the circumferential side wall of the aluminum substrate 1 , and the second air passage 14 is connected to the first air passage 21 . The aluminum substrate 1 is provided with a temperature sensing device 5 , the fan 25 is a frequency conversion fan, and the temperature sensing device 5 is connected to the fan 25 . The temperature sensing device 5 can feel the temperature of the LED lamp at any time, adjust the wind speed of the fan 25 according to the temperature of the LED lamp, and dissipate the heat generated by the operation of the LED lamp in time.

In the LED lighting device proposed by the utility model, when in use, the heat dissipation fins 12 in the second groove 11 can dissipate the heat generated by the LED lamp in time, and the periphery of each heat dissipation fin 12 is provided with rectangular teeth. 13. The heat dissipation effect is enhanced; at the same time, the fan 25 sprays cooling air to the LED lamp, and the cooling air takes away part of the heat generated by the LED lamp, and then discharges it from the first air passage 21 and the second air passage 14. The cooling air is that when the first cooling rib 22 and the second cooling rib 38 are in contact, it can take away more heat, improve the cooling effect, and prolong the service life of the LED lighting device. This embodiment has a simple structure, can discharge the heat generated by the LED lamp in time, has a good heat dissipation effect, and has a long service life. Electronic energy-saving lamps are fragile.

The above is only a preferred embodiment of the utility model, but the scope of protection of the utility model is not limited thereto. The equivalent replacement or change of the new technical solution and the concept of the utility model shall be covered by the protection scope of the utility model.

Claims (7)

1. a LED light device, it is characterized in that, comprise aluminium base (1), light reflecting board (2), LED, light reflecting board (2) is arranged on aluminium base (1), and light reflecting board (2) is provided with multiple first groove (23) away from aluminium base (1) one end; Aluminium base (1) is provided with the second groove (11) away from light reflecting board (2) side, radiating fin (12) is distributed with in second groove (11), all radiating fins (12) equidistantly be arranged in parallel, and all with the second groove (11) bottom vertical; LED comprises base (31), LED main body, outer lampshade (32), base (31) is arranged on aluminium base (1) through the first groove (23), it is upper and surround the first cavity (33) with base (31) that outer lampshade (32) is arranged on base (31), and LED main body to be arranged in the first cavity (33) and to be arranged on base (31).

2. LED light device according to claim 1, it is characterized in that, light reflecting board (2) is positioned at LED front end and is provided with light guide plate (4), light reflecting board (2) and light guide plate (4) surround an object placing cavity, light reflecting board (2) inner circumferential sidewall is provided with fan (25), the first ventilating duct (21) is provided with in light reflecting board (2), the air inlet (24) of the first ventilating duct (21) is all connected with the first groove (23), the second ventilating duct (14) is provided with in aluminium base (1) circumferential side wall, second ventilating duct (14) and the first ventilating duct (21) are connected.

3. LED light device according to claim 2, it is characterized in that, LED main body comprises lamp socket (34), LED lamp bead (37), interior lampshade (35), lamp socket (34) is arranged on base (31), it is upper and surround the second cavity (36) with lamp socket (34) that interior lampshade (35) is arranged on lamp socket (34), and LED lamp bead (37) to be arranged in the second cavity (36) and to be arranged on lamp socket (34).

4. the LED light device according to any one of claim 1-3, is characterized in that, the first ventilating duct (21) inwall is distributed with the first radiating ribs (22).

5. the LED light device according to any one of claim 1-3, is characterized in that, the periphery of every sheet radiating fin (12) is all provided with rectangular teeth (13).

6. the LED light device according to any one of claim 1-3, is characterized in that, base (31) is positioned on the first groove (23) sections and is distributed with the second radiating ribs (38).

7. the LED light device according to any one of claim 2-3, it is characterized in that, temperature sensing device (5) is provided with in aluminium base (1), fan (25) adopts variable-frequency fan, and temperature sensing device (5) is connected with fan (25).