CN210153584U

CN210153584U - Structure for improving luminous efficiency of LED device

Info

Publication number: CN210153584U
Application number: CN201921212395.6U
Authority: CN
Inventors: 梅风珍
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-07-30
Filing date: 2019-07-30
Publication date: 2020-03-17
Anticipated expiration: 2029-07-30

Abstract

The utility model discloses a structure for improving LED device light efficiency, including lamp shade and LED banks, still include and install at the even leaded light mechanism in lamp shade inboard top and install the absorption heat dissipation mechanism in LED banks bottom, absorb heat dissipation mechanism and include the radiating part, four soaking plates have evenly been arranged in the top of LED banks to be the ring form, and each the surface of soaking plate all installs the reflective membrane, a plurality of heat radiation fins are installed to the inboard of radiating part, a plurality of heat radiation fins's central point department has seted up the main passageway, the outside of main passageway is located each heat radiation fins's inside all sets up the air exhaust through-hole that communicates with the main passageway; through the design installation soaking board and radiating part etc. utilize radiator fan and exhaust through-hole can form the heat dissipation wind channel to increase the rate of heat dissipation of LED banks, through increasing the rate of heat dissipation, can reduce the temperature on LED banks surface, thereby increase LED's luminous flux and light efficiency.

Description

Structure for improving luminous efficiency of LED device

Technical Field

The utility model belongs to the technical field of the LED device, concretely relates to a structure for improving LED device light efficiency.

Background

As the junction temperature of the LED increases, the luminous flux of the LED decreases while the power is substantially constant, and thus the luminous efficiency decreases. Therefore, ensuring the heat dissipation of the LED is also an important factor to obtain a high luminous efficiency. The light transmission mechanism is also the same. The closer the distance between the light-transmitting cover and the LED, the larger the energy of the LED, the more light penetrating through the light-transmitting cover, and the relatively higher the light efficiency of the whole lamp, but for the application in some occasions, the effect of lighting application needs to be considered, for example, a fluorescent lamp, the too close distance between the LED and the light-transmitting cover can see the LED light spot inside, and the user experience is poor, so that a structure for improving the light efficiency of an LED device is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a structure for improving LED device light efficiency to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a structure for improving LED device light efficiency, includes lamp shade and LED banks, still including installing at the even leaded light mechanism in the inboard top of lamp shade and installing the absorption heat dissipation mechanism in LED banks bottom.

Preferably, absorb heat dissipation mechanism includes the heat dissipation portion, the top of LED banks is four soaking boards of the ring form uniform distribution, and every the reflective membrane is all installed to the surface of soaking board, a plurality of heat radiation fins are installed to the inboard of heat dissipation portion, and is a plurality of heat radiation fins's central point puts the department and has seted up the main entrance, the outside of main entrance is located every heat radiation fins's inside all sets up the through-hole of airing exhaust with the main entrance intercommunication, connecting portion have been installed to the bottom surface of heat dissipation portion, a plurality of fresh air inlets have been seted up in the outside of connecting portion, just radiator fan is installed to the bottom of heat dissipation portion is located the below of main entrance.

Preferably, the uniform light guide mechanism includes a uniform light guide part, a first annular reflecting surface is arranged on the inner side of the uniform light guide part, a second annular reflecting surface is arranged on the outer side wall of the uniform light guide part, and a protrusion corresponding to the top of the LED lamp group is arranged at the bottom of the uniform light guide part.

Preferably, an LED lamp set is mounted on the inner side of the lampshade, and a fixed conductive part is mounted below the LED lamp set.

Preferably, a plurality of fresh air inlets are in the surface evenly distributed of connecting portion, and every the dust screen is all installed to the inboard of fresh air inlet, just the material of soaking plate is copper, soaking plate and LED banks in close contact with.

Preferably, the uniform light guide part is made of organic glass, and the inclination angles of the first annular reflecting surface and the second annular reflecting surface are both 45 degrees.

Compared with the prior art, the beneficial effects of the utility model are that: install the even light guide part that is located the LED banks top through the design, reduce the distance between LED banks and the lamp shade top and improve the light efficiency after, when LED banks circular telegram is luminous, can be with the light that LED banks top lamp pearl sent through even leaded light and the refraction of first annular plane of reflection and second annular plane of reflection, with its top of refracting to the lamp shade, prevent to directly see inside LED luminous point through the lamp shade, soaking plate and the radiating part etc. of LED banks bottom that are located the LED banks outside have been installed through the design simultaneously, utilize radiator fan and exhaust through-hole can form the radiating air duct, thereby increase the radiating rate of LED banks, through increasing radiating rate, can reduce the temperature on LED banks surface, thereby increase LED's luminous flux and light efficiency.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a sectional view of the lampshade of the present invention;

fig. 3 is a schematic structural view of the heat dissipation portion of the present invention;

fig. 4 is a schematic structural view of the uniform light guide part of the present invention;

fig. 5 is a cross-sectional view of the heat dissipating portion of the present invention;

fig. 6 is a schematic view of the heat dissipation air duct of the present invention;

in the figure: 1. a lamp shade; 2. heat dissipation fins; 3. a connecting portion; 4. a fixed conductive part; 5. an air inlet hole; 6. a heat dissipating section; 7. an air exhaust through hole; 8. a vapor chamber; 9. an LED lamp group; 10. uniformly guiding light; 11. a first annular reflective surface; 12. a second annular reflective surface; 13. a light-reflecting film; 14. a main channel; 15. a heat dissipation fan.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

Referring to fig. 1-6, the present invention provides a technical solution: the utility model provides a structure for improving LED device light efficiency, includes lamp shade 1 and LED banks 9, still including installing at the even leaded light mechanism in 1 inboard top of lamp shade and installing the absorption heat dissipation mechanism in LED banks 9 bottoms.

In this embodiment, preferably, the absorbing and heat dissipating mechanism includes a heat dissipating portion 6, four soaking plates 8 are uniformly arranged on the top of the LED lamp group 9 in a circular ring shape, a reflective film 13 is mounted on the outer surface of each soaking plate 8, a plurality of heat dissipating fins 2 are mounted on the inner side of the heat dissipating portion 6, a main channel 14 is formed at the central position of each heat dissipating fin 2, an air exhaust through hole 7 communicated with the main channel 14 is formed inside each heat dissipating fin 2 on the outer side of the main channel 14, a connecting portion 3 is mounted on the bottom surface of the heat dissipating portion 6, four air inlet holes 5 are formed on the outer side of the connecting portion 3, the four air inlet holes 5 are uniformly distributed on the surface of the connecting portion 3, a dust screen is mounted on the inner side of each air inlet hole 5, a heat dissipating fan 15 is mounted below the main channel 14 at the bottom of the heat dissipating portion 6, the soaking plates 8 are made of copper, and the, the soaking plate 8 positioned outside the LED lamp group 9 and the heat dissipation part 6 at the bottom of the LED lamp group 9 are installed through design, a heat dissipation air duct can be formed by utilizing the heat dissipation fan 15 and the air exhaust through hole 7, so that the heat dissipation rate of the LED lamp group 9 is increased, the temperature on the surface of the LED lamp group 9 can be reduced through increasing the heat dissipation rate, and the luminous flux and the luminous efficiency of an LED are increased.

In this embodiment, preferably, the uniform light guide mechanism includes a uniform light guide part 10, the inner side of the uniform light guide part 10 has a first annular reflective surface 11, the uniform light guide part 10 is made of organic glass, the inclination angles of the first annular reflecting surface 11 and the second annular reflecting surface 12 are both 45 degrees, the outer side wall of the uniform light guide part 10 is provided with the second annular reflecting surface 12, the bottom of the uniform light guide part 10 is provided with a bulge corresponding to the top of the LED lamp group 9, by designing and installing the uniform light guide part 10 positioned at the top of the LED lamp group 9, after the distance between the LED lamp group 9 and the top of the lampshade 1 is reduced and the light efficiency is improved, when the LED lamp group 9 is electrified and emits light, can be with the light that 9 top lamp pearls of LED banks sent through the refraction of even leaded light and first annular reflecting surface 11 and the annular reflecting surface 12 of second, with its refraction to the top of lamp shade 1, prevent to directly see inside LED light spot through lamp shade 1.

In the present embodiment, preferably, the LED lamp group 9 is attached to the inner side of the globe 1, and the conductive fixing portion 4 is attached below the LED lamp group 9.

The utility model discloses a theory of operation and use flow: the fixed conductive part 4 is inserted into a corresponding lamp holder and fixed, the LED lamp group 9 can be lightened and the cooling fan 15 is started when the lamp is electrified, because the distance between the top of the LED lamp group 9 and the top of the lampshade 1 is shortened, if the uniform light guide part 10 is not added, the direct irradiation of light can lead the LED light spot inside the lampshade 1 to be directly seen from the outside of the lampshade 1, through the arrangement of the uniform light guide part 10, when the LED lamp group 9 emits light, the light emitted from the top of the LED lamp group 9 is refracted through the first annular reflecting surface 11 and the second annular reflecting surface 12, the light can be uniformly refracted to the top of the lampshade 1, meanwhile, the material of the uniform light guide part 10 is organic glass, and the characteristic of the material is utilized, so that the uniform light guide part 10 has the characteristic of uniform light guide;

meanwhile, after the LED lamp group 9 emits light, the soaking plate 8 can absorb the temperature on the surface of the LED lamp group 9 and transmit the temperature to the heat dissipation fins 2 on the inner side of the heat dissipation part 6, air enters the inner side of the connecting part 3 through the air inlet 5 by using the heat dissipation fan 15 and enters the air exhaust through holes 7 on the inner side of each heat dissipation fin 2 through the main channel 14, then the air is exhausted through the air exhaust through holes 7, the circulation is repeated in such a way, a heat dissipation air channel can be formed, the temperature on the surface of the LED lamp group 9 can be reduced to a certain extent by absorbing and taking away the temperature on the inner side of the heat dissipation fins 2 through the air continuously entering the inner side of the air exhaust through holes 7, the temperature of the LED lamp group 9 is reduced, the heat dissipation speed of the LED lamp group 9 is increased by designing and installing the soaking plate 8 on the outer side of the LED lamp group 9 and the heat dissipation part 6 and the like, by increasing the heat dissipation rate, the temperature of the surface of the LED lamp set 9 can be reduced, thereby increasing the luminous flux and luminous efficiency of the LEDs.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a structure for improving LED device light efficiency, includes lamp shade (1) and LED banks (9), its characterized in that: the LED lamp further comprises a uniform light guide mechanism arranged on the top of the inner side of the lampshade (1) and an absorption heat dissipation mechanism arranged at the bottom of the LED lamp group (9).

2. A structure for improving light efficiency of LED devices according to claim 1, wherein: absorption heat dissipation mechanism includes heat dissipation portion (6), the top of LED banks (9) is four soaking boards (8) of the ring form of evenly having arranged, and every reflective membrane (13) are all installed to the surface of soaking board (8), a plurality of heat dissipation fin (2) are installed to the inboard of heat dissipation portion (6), and are a plurality of main entrance (14) have been seted up to the central point department of putting of heat dissipation fin (2), the outside of main entrance (14) is located every the inside of heat dissipation fin (2) all sets up exhaust through-hole (7) with main entrance (14) intercommunication, connecting portion (3) have been installed to the bottom surface of heat dissipation portion (6), a plurality of fresh air inlets (5) have been seted up in the outside of connecting portion (3), just radiator fan (15) are installed to the bottom of heat dissipation portion (6) is located the below of main entrance (14).

3. A structure for improving light efficiency of LED devices according to claim 1, wherein: the uniform light guide mechanism comprises a uniform light guide part (10), a first annular reflecting surface (11) is arranged on the inner side of the uniform light guide part (10), a second annular reflecting surface (12) is arranged on the outer side wall of the uniform light guide part (10), and a protrusion corresponding to the top of the LED lamp set (9) is arranged at the bottom of the uniform light guide part (10).

4. A structure for improving light efficiency of LED devices according to claim 1, wherein: the LED lamp is characterized in that an LED lamp group (9) is installed on the inner side of the lampshade (1), and a fixed conductive part (4) is installed below the LED lamp group (9).

5. A structure for improving light efficiency of LED devices according to claim 2, wherein: a plurality of fresh air inlets (5) are at the surperficial evenly distributed of connecting portion (3), and every the dust screen is all installed to the inboard of fresh air inlet (5), just the material of soaking plate (8) is copper, soaking plate (8) and LED banks (9) in close contact with.

6. A structure for improving light efficiency of LED devices according to claim 3, wherein: the uniform light guide part (10) is made of organic glass, and the inclination angles of the first annular reflecting surface (11) and the second annular reflecting surface (12) are both 45 degrees.