WO2015013857A1

WO2015013857A1 - Dual-sided transparent led lamp

Info

Publication number: WO2015013857A1
Application number: PCT/CN2013/080314
Authority: WO
Inventors: 李俊育
Original assignee: Lee Chun-Yu
Priority date: 2013-07-29
Filing date: 2013-07-29
Publication date: 2015-02-05

Abstract

Disclosed is a dual-sided transparent LED lamp, comprising a lamp holder (10), a heat sink (20) and an LED lamp plate (30). A top part of the lamp holder (10) is provided with a light-transmitting hole, a first light-transmitting mirror (40) being provided in the light-transmitting hole. A first through hole (201) is provided on the heat sink (20). The LED light plate (30) comprises a baseplate (31) and an LED light provided on the baseplate (31), with a second through hole (301) provided on the baseplate (31). A second light-transmitting mirror (50) is fixed on the lamp holder and the back face thereof is provided with a reflective face (51). Part of the light is directly emitted downwards through the second light-transmitting mirror (501), and the other part of the light passes through the second through hole (301) and the first through hole (201) after being reflected by the reflective face (51), to be emitted upwards from the first light-transmitting mirror (40), achieving dual-sided light emission. The lamp reduces costs, is energy-saving, easily disperses heat, and is convenient to assemble.

Description

Double-sided light-emitting LED lamps

Technical field

The invention relates to the field of LED lamp technology, in particular to a double-sided light-transmitting LED lamp.

Background technique

LED lamps, also known as LED lamps, are becoming the main products of the new generation lighting market with their high efficiency, energy saving, longevity and compactness, and effectively promote the rapid development of the environmental protection and energy saving industry.

In order to achieve a better decorative effect, existing LED lamps, such as some garden lights, are usually designed in the form of double-sided illumination, that is, a part of the light is transmitted downward from the LED lamp, and another part of the light is transmitted upward from the LED lamp. In order to achieve the purpose of two-sided illumination, the existing LED lamps usually improve the LED lamp panel, that is, a plurality of LED lamp bodies are disposed on the upper and lower sides of the substrate of the LED lamp panel, so that the light emitted by the corresponding LED lamp body is used. Directly transmitted in the corresponding direction and realistic double-sided illumination.

Although the above-mentioned existing LED lamp structure can realize the effect of double-sided illumination, it is indeed progressive, but in actual use, it is found that there are still many deficiencies in its own structure and performance, resulting in the actual LED lamps in practice. In application, the best use effect and work efficiency have not been achieved. The shortcomings are summarized as follows: Firstly, because it needs to have a plurality of LED lamp bodies on the upper and lower surfaces of the substrate, the LED lamp used for the production of a single product is adopted. The number of bodies is large, which increases the production cost of the product, and also makes the product more energy-consuming. Secondly, due to the limited position, the heat sink is difficult or even impossible to assemble, so that the LED lamp panel cannot be well dissipated, affecting the product. The service life.

Summary of the invention

In view of the above, the present invention is directed to the lack of the prior art, and the main purpose thereof is to provide a double-sided light-transmitting LED lamp, which can effectively solve the existing LED lamp adopting the manner of setting the LED lamp body on the upper and lower surfaces of the substrate. The manufacturing cost is high and the heat sink is difficult or even impossible to assemble.

In order to achieve the above object, the present invention adopts the following technical solutions:

A double-sided transparent LED lamp comprising a lamp holder, a radiator and an LED lamp panel;

The lamp holder is provided with an opening space with an opening facing downward, and a top of the lamp holder is provided with a light transmission hole communicating with the accommodation space, and the first light transmission mirror is disposed in the light transmission hole;

The heat sink and the LED light panel are both fixed in the accommodating space, and the heat sink is provided with a first through hole, and the first through hole is directly connected to the light transmitting hole;

The LED lamp panel includes a substrate and a plurality of LED lamp bodies disposed on the surface of the substrate, the bottom surface of the substrate is opposite to the heat sink, and the substrate is provided with a second through hole, the second through hole and the first pass The hole is connected to each other;

And the second light-transmitting mirror is fixed on the lamp holder, the second light-transmitting mirror covers the opening of the accommodating space, and the back surface of the second light-transmitting mirror is provided for reflecting part of the light The reflecting surface that the first light transmitting mirror transmits outward.

As a preferred solution, the second transparent mirror is made of PS material.

As a preferred solution, the reflecting surface is a frosted surface.

As a preferred embodiment, the lamp holder includes a lamp housing and a main body fixed in the lamp housing, and the accommodating space is recessed on the main body; the light transmission hole includes a first light transmission hole and a second a first light transmission hole is disposed on the lamp housing, the second light transmission hole is disposed on the main body, and the first light transmission hole and the second light transmission hole are directly connected to each other, the first light transmission mirror The peripheral edge is sandwiched between the lamp housing and the main body, and the first transparent mirror exposes the first light transmission hole outward.

As a preferred solution, the main body is fixedly connected to the lamp housing through a ring cover, and the periphery of the first light transmission hole is bent inwardly to form a hook portion, and the hook portion is engaged with the inner circumference of the ring cover, the main body The screw is fixedly connected to the outer circumference of the ring cover.

As a preferred solution, the lamp envelope is umbrella-shaped.

As a preferred solution, the heat sink includes a hollow cylinder and a plurality of fixing plates extending from the side of the hollow cylinder. The plurality of fixing plates are fixedly connected to the lamp holder by screws, and the side of the hollow cylinder and A plurality of fins are radiated outwardly from the sides of the fixing plate.

As a preferred solution, the substrate is fixed to the heat sink by screws. The substrate has an annular shape, and the plurality of LED lamps are evenly distributed on the surface of the substrate, and the second through holes are circular.

As a preferred solution, the peripheral edge of the opening of the accommodating space is concavely formed with a stepped surface, the peripheral edge of the second transparent mirror is opposite to the stepped surface, and the second transparent mirror is fixedly connected to the socket by a screw.

As a preferred solution, further comprising a ring-shaped lamp cover, the ring-shaped lamp cover is made of glass, the top of the ring-shaped lamp cover is abutted against the bottom of the lamp holder, and the ring-shaped lamp cover is fixedly connected to the lamp holder through a fixing piece, and one end of the fixing piece passes The screw is locked to the lamp holder, and the other end of the fixing piece is caught on the top inner edge of the ring lamp cover.

The present invention has obvious advantages and advantageous effects compared with the prior art. Specifically, it can be known from the above technical solutions:

A reflective surface is disposed on the back surface of the second transparent mirror, a part of the light is directly transmitted downward from the second transparent mirror, and another portion of the light is reflected by the reflective surface, and sequentially passes through the second through hole and the first through hole. After being transmitted upward from the first light-transmitting mirror, thereby realizing double-sided light emission, instead of the conventional way of providing the LED light body on the upper and lower surfaces of the substrate, the present invention can effectively reduce the number of LED light bodies used, thereby reducing the product. The manufacturing cost also makes the product more energy efficient. Secondly, since the product is only provided with an LED lamp body on one surface of the substrate, the assembly of the heat sink can be easily realized, and the assembly of the product is more convenient, and the assembly of the product is more convenient. The LED lamp panel can be well cooled, which helps to extend the life of the product.

DRAWINGS

Figure 1 is a perspective view showing the assembly of a preferred embodiment of the present invention;

Figure 2 is an exploded view of a preferred embodiment of the present invention;

Figure 3 is an assembled perspective view of another embodiment of the preferred embodiment of the present invention;

Figure 4 is an exploded view of Figure 3;

Figure 5 is a partial assembly view of Figure 4;

Figure 6 is a cross-sectional view of a preferred embodiment of the present invention.

Description of the figure:

10, lamp holder 11, lamp housing

111, hook 12, the main body

13, ring cover 14, screws

101, accommodating space 102, the first light transmission hole

103, the second light transmission hole 104, the step surface

20, radiator 21, hollow cylinder

22, fixing plate 23, screw

24, heat sink fins 201, the first through hole

30, LED light panel 31, substrate

32. LED lamp body 33, screw

301, a second through hole 40, a first light transmission mirror

50, the second transparent mirror 51, the reflecting surface

60, screw 70, ring lampshade

80, fixing piece 90, screw

detailed description

Referring to FIGS. 1 through 6, there is shown a specific structure of a preferred embodiment of the present invention including a lamp holder 10, a heat sink 20, and an LED lamp panel 30.

The lamp holder 10 is provided with an accommodating space 101 with an opening facing downward. The top of the lamp holder 10 is provided with a light-transmissive hole communicating with the accommodating space 101. The first light-transmitting mirror 40 is disposed in the light-transmitting hole. Specifically, in the present embodiment, the lamp holder 10 includes a lamp housing 11 and a main body 12 fixed in the lamp housing 11. The accommodating space 101 is recessed on the main body 12, and the lamp housing 11 is formed. The light transmission hole includes a first light transmission hole 102 and a second light transmission hole 103. The first light transmission hole 102 is disposed on the lamp housing 11, and the second light transmission hole 103 is disposed on the main body 12. The first light transmission hole 102 and the second light transmission hole 103 are in direct communication with each other, and the first light transmission hole 102 and the second light transmission hole 103 are both circular and equal in size; the first light transmission mirror 40 The circumference of the first light transmission mirror 40 is exposed between the lamp housing 11 and the main body 12; and, in this embodiment, the main body 12 passes through a ring cover 13 and the lamp The shell 11 is fixedly connected, and the periphery of the first light-transmissive hole 102 is bent inwardly to form a hook portion 111. The hook portion 111 is engaged with the inner circumference of the ring cover 13, and the main body 12 passes through the screw 14 and the ring cover 13. An outer circumferential edge is fixedly connected to the body so that the screw is not exposed after the

lamp envelope

12 and 11 is fixedly connected, such that the product look more beautiful.

The heat sink 20 and the LED light panel 30 are both fixed in the accommodating space 101. The heat sink 20 is provided with a first through hole 201, and the first through hole 201 is in direct communication with the light transmitting hole. A through hole 201 is circular, and the first through hole 201 is larger than the light transmission hole and disposed coaxially with the light transmission hole; specifically, the heat sink 20 includes a hollow cylinder 21 and is spaced apart from the side of the hollow cylinder 21 a plurality of fixing plates 22 are fixedly connected to the main body 12 of the socket 10 by screws 23, and the first through holes 201 are formed on the hollow cylinder 21, the side surface of the hollow cylinder 21 and A plurality of heat dissipation fins 24 are radiated outwardly from the sides of the fixing plate 22.

The LED lamp panel 30 includes a substrate 31 and a plurality of LED lamp bodies 32 disposed on the surface of the substrate 31. The bottom surface of the substrate 31 is disposed on the heat sink 20. The substrate 31 is provided with a second through hole 301. The two through holes 301 are in direct communication with the first through holes 201. In the embodiment, the substrate 31 is fixed to the heat sink 20 by screws 33. The substrate 31 has an annular shape, and the plurality of LED lamps 32 are The second through hole 301 is circular on the surface of the substrate 31. The second through hole 301 is the same size as the first through hole 201 and coaxially disposed.

And the second light-transmitting mirror 50 is fixed on the lamp holder 10, and the second light-transmitting mirror 50 covers the opening of the accommodating space 101, and the back surface of the second light-transmitting mirror 50 is provided with a reflective surface 51 that is partially reflected by the light and transmitted outward from the first light-transmitting mirror 40; in the embodiment, the second light-transmitting mirror 50 is made of PS material, and the second light-transmitting mirror 50 has a circular plate shape. The reflecting surface 51 is annular, and the reflecting surface 51 is a frosted surface, which is not limited thereto, and only needs to reflect part of the light to transmit part of the light from the first transparent mirror 40; and, in this embodiment, the A stepped surface 104 is recessed on the periphery of the opening of the accommodating space 101. The peripheral edge of the second transparent mirror 50 abuts the stepped surface 104. The second transparent mirror 50 is fixed to the main body 12 of the socket 10 by screws 60. connection.

In addition, the ring cover 70 is made of a glass material, and the top of the ring cover 70 is abutted against the bottom of the lamp holder 10. The ring cover 70 is fixedly connected to the lamp holder 10 through a fixing piece 80. One end of the 80 is locked to the socket 10 by a screw 90. The other end of the fixing piece 80 catches the top inner edge of the ring lamp cover 70, so that the ring lamp cover 70 is assembled without screws, thereby making the appearance of the product more beautiful.

The assembly process of this embodiment is detailed as follows:

When assembling, first, the ring cover 13 is placed inside the lamp housing 11, and the periphery of the first light transmission hole 102 is bent inward to form a hook portion 111, and the hook portion 111 is used to hook the inner circumference of the ring cover 13, so that The ring cover 13 is fixedly connected to the lamp housing 11; then, the heat sink 20 is placed in the accommodating space 101, and is screwed and fixed to the fixing plate 22 through the main body 12 by screws 23, so that the heat sink 20 is fixed in the accommodating space. After the first light-transmitting mirror 40 is exposed through the ring cover 13 to expose the first light-transmissive hole 102, the main body 12 is abutted on the ring cover 13 so that the periphery of the first light-transmitting mirror 40 is clamped to the ring. The cover 13 is disposed between the cover 13 and the main body 12, and is screwed through the main body 12 and the ring cover 13 by screws 14 to form the socket 10, and also fixes the first transparent mirror 40 to the socket 10; The substrate 31 of the lamp 30 is placed on the surface of the heat sink 20, and the substrate 31 is locked to the heat sink 20 by screws 33. Then, the peripheral edge of the second light transmitting mirror 50 is pressed against the step surface 104 and used. The screw 60 fixes the second transparent mirror 50 to the main body 12 of the socket 10; then, the top of the annular lamp cover 70 is abutted against the bottom of the socket 10, and The fixing screws 90 through the sheet 80 locked to the body 12 of the socket 10, so that the fixing piece 80 while the ring cover stuck on top of the inner side edge 70, thereby realizing the ring cover 70 is fixed to the socket 10.

In use, the LED lamp panel 30 is connected to an external power source to cause the LED panel 30 to emit light, and most of the light emitted by the LED panel 30 is transmitted downward through the second transmissive mirror 50, and a portion of the light is reflected by the reflecting surface 51, and then passes through the second pass. The hole 301 and the first through hole 201 are then transmitted upward from the first light transmitting mirror 40, thereby realizing double-sided light emission.

The design of the present invention is focused on: a reflective surface is disposed on the back surface of the second light-transmitting mirror, a portion of the light is directly transmitted downward from the second light-transmitting mirror, and another portion of the light is reflected by the reflective surface, and then passes through the second The through hole and the first through hole are transmitted upward from the first light transmission mirror, thereby realizing double-sided light emission, instead of the conventional way of providing the LED light body on the upper and lower surfaces of the substrate, the invention can effectively reduce the use of the LED light body. The quantity, which reduces the production cost of the product, and makes the product more energy efficient. Secondly, since the product is provided with the LED lamp body only on one surface of the substrate, the assembly of the heat sink can be easily realized without being limited by the position. The assembly of the product is more convenient, and the LED lamp panel can be well dissipated, thereby prolonging the service life of the product.

The above is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention. Therefore, any minor modifications, equivalent changes and modifications made to the above embodiments in accordance with the technical spirit of the present invention are still It is within the scope of the technical solution of the present invention.

Claims

1. A double-sided light-transmitting LED lamp, comprising: a lamp holder, a heat sink and an LED lamp panel;

2. The double-sided light-transmitting LED lamp according to claim 1, wherein the second light-transmitting mirror is made of PS material.

The double-sided light-transmitting LED lamp according to claim 1 or 2, wherein the reflecting surface is a frosted surface.

The double-sided light-transmitting LED lamp according to claim 1, wherein the lamp holder comprises a lamp housing and a main body fixed in the lamp housing, and the receiving space is recessed on the main body. The light transmission hole includes a first light transmission hole and a second light transmission hole, the first light transmission hole is disposed on the lamp housing, the second light transmission hole is disposed on the main body, the first light transmission hole and the first light transmission hole The two light-transmitting holes are in direct communication with each other, and the circumference of the first light-transmitting mirror is sandwiched between the lamp housing and the main body, and the first light-transmitting mirror exposes the first light-transmitting hole outward.

The double-sided light-transmitting LED lamp according to claim 4, wherein the main body is fixedly connected to the lamp housing through a ring cover, and the periphery of the first light transmission hole is bent inward to form a hook portion. The hook portion is engaged with the inner circumference of the ring cover, and the main body is fixedly connected to the outer circumference of the ring cover by screws.

The double-sided light-transmitting LED lamp according to claim 4, wherein the lamp housing has an umbrella shape.

The double-sided light-transmitting LED lamp according to claim 1, wherein the heat sink comprises a hollow cylinder and a plurality of fixing plates extending from the side of the hollow cylinder, the plurality of fixing plates. A fixed connection is made to the lamp holder by a screw, and a side surface of the hollow cylinder and a side surface of the fixing plate radiate a plurality of heat dissipation fins outward.

The double-sided light-transmitting LED lamp of claim 1 , wherein the substrate is fixed to the heat sink by a screw, the substrate is annular, and the plurality of LED lamps are evenly distributed on the substrate. The second through hole has a circular shape on the surface.

The double-sided light-transmitting LED lamp according to claim 1, wherein a peripheral edge of the opening of the accommodating space is concavely formed with a stepped surface, and a peripheral edge of the second transparent mirror is opposite to the stepped surface The second transparent mirror is fixedly connected to the lamp holder by a screw.

The double-sided light-transmitting LED lamp of claim 1 , further comprising a ring-shaped lamp cover, the ring-shaped lamp cover being made of glass, the top of the ring-shaped lamp cover abutting against the bottom of the lamp holder, the ring-shaped lamp cover The fixing piece is fixedly connected to the lamp holder, and one end of the fixing piece is screwed to the lamp holder, and the other end of the fixing piece is caught by the top inner edge of the ring lamp cover.