CN215061851U

CN215061851U - High-efficiency total reflection lamp

Info

Publication number: CN215061851U
Application number: CN202121656565.7U
Authority: CN
Inventors: 廖科华; 杨猛; 周飞辉
Original assignee: Shenzhen KTC Commercial Technology Co Ltd
Current assignee: Shenzhen KTC Commercial Technology Co Ltd
Priority date: 2021-07-20
Filing date: 2021-07-20
Publication date: 2021-12-07
Anticipated expiration: 2031-07-20

Abstract

The utility model discloses a high-efficiency total reflection lamp, which comprises a lamp plate base, a plurality of luminous elements, a diffusion plate and a transparent element, wherein a light reflection cavity is arranged in the lamp plate base; the plurality of light-emitting pieces are arranged at the bottom of the light reflecting cavity; the diffusion plate is arranged at the opening of the light reflection cavity at one side opposite to the light-emitting piece; the transparent piece is arranged on one side of the diffusion plate, which is far away from the lamp panel base; the light reflection cavity is a cavity with a trapezoidal cross section, the lamp panel base is made of transparent plastic, and an aluminum film is arranged on the outer wall of the lamp panel base. The utility model discloses set up the aluminium membrane on lamp plate base outer wall for light to getting into in the lamp plate base from the light radiation chamber refraction reflects, avoids the loss of light, improves the luminous efficacy of lamps and lanterns, reduces cost and consumption, through setting the light reflection chamber to trapezoidal, and the incline direction of trapezoidal hypotenuse is dispersed to two outsides by the illuminating part and is extended, makes light can concentrate toward the centre and scatter away from the diffuser plate after reflecting on the hypotenuse.

Description

High-efficiency total reflection lamp

Technical Field

The utility model relates to the field of lighting technology, especially, relate to a high-efficient total reflection lamps and lanterns.

Background

The existing display lamp effect realization design has two types:

1. the LED lamp guides light from one luminous end to the other end of the optical fiber through the light guide optical fiber, and the light is continuously reflected in the light guide optical fiber so as to achieve the effect of uniform light emission of the whole optical fiber;

however, the light is lost in the light guide optical fiber more quickly, so the length of the optical fiber cannot be too long, when the length of the optical fiber is limited and the length of the light-emitting effect of the lamp needs to meet a certain length, a plurality of light guide optical fibers need to be used in sections, but the back of the lamp bead, where the optical fiber and the optical fiber are directly placed, can leave shadows.

2. The LED lamp directly irradiates the diffusion plate, and light is uniformly diffused out through the diffusion plate, so that the effect of uniform light emission of the lamp effect is achieved;

however, although the lamp effect is good, the quantity of the lamp beads is large, the loss is large, the power is high, and the cost is high.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a high-efficient total reflection lamps and lanterns aims at solving prior art, and the lamp consumes big, problem with high costs.

The embodiment of the utility model provides a high-efficient total reflection lamps and lanterns, include:

the lamp panel base is internally provided with a light reflection cavity;

the plurality of light-emitting pieces are arranged at the bottom of the light reflecting cavity;

the diffusion plate is arranged at the opening of the light reflection cavity on one side opposite to the light-emitting piece;

the transparent piece is arranged on one side, away from the lamp panel base, of the diffusion plate;

the lamp panel comprises a lamp panel base, a light reflection cavity, a light emitting piece, a diffusion plate, a lamp panel base and an aluminum film, wherein the light reflection cavity is a cavity with a trapezoidal cross section, the light emitting piece is positioned at the upper bottom of the light reflection cavity, the diffusion plate is positioned at the lower bottom of the light reflection cavity, the lamp panel base is made of transparent plastic, and the aluminum film is arranged on the outer wall of the lamp panel base.

The utility model discloses set the lamp plate base to the plastic, and be transparent, the quality is littleer, and the cost is lower, because the lamp plate base is transparent, the event needs to set up the aluminium membrane on lamp plate base outer wall, be arranged in refracting the light that gets into in the lamp plate base from the light radiation chamber and reflect, avoid the loss of light, improve the luminous efficacy of lamps and lanterns, light can carry out the diffuse reflection in the lamp plate base and spread away from the diffuser plate that can be non-light tight, and then with light from other each sides of one side diffuse reflection to transparent through transparent, reach the purpose of illumination.

Because the light loss does not appear when the transparent part is reached, the luminous efficiency is higher, the luminous part with lower power consumption can reach the brightness which can be reached by the prior luminous part with high power consumption, the number of the luminous parts can be properly reduced, and the cost and the power consumption are further reduced.

Through setting the light reflection chamber to trapezoidal, and the incline direction of trapezoidal hypotenuse is diverged to two outsides by the illuminating part and is extended for light can be concentrated and go out from the diffuser plate scattering toward the centre after reflecting from the hypotenuse.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without any creative effort.

Fig. 1 is a schematic structural view of a high-efficiency total reflection lamp provided in an embodiment of the present invention;

fig. 2 is another schematic structural diagram of the high-efficiency total reflection lamp provided in the embodiment of the present invention;

fig. 3 is a partial sectional view of the schematic sectional view along a-a in fig. 2.

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 some, not all, of the embodiments of the present invention. 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.

It will be understood that the terms "comprises" and/or "comprising," when used in this specification and the appended claims, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.

It is also to be understood that the terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in the specification and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.

It should be further understood that the term "and/or" as used in the specification and the appended claims refers to any and all possible combinations of one or more of the associated listed items, and includes such combinations.

Referring to fig. 1-3, an efficient total reflection lamp includes:

the lamp panel comprises a lamp panel base 200, wherein a light reflection cavity 210 is arranged in the lamp panel base 200;

a plurality of light emitting members 300 disposed at the bottom of the light reflecting cavity 210;

a diffusion plate 400 disposed at an opening of the light reflecting cavity 210 on an opposite side of the light emitting member 300;

the transparent piece 100 is arranged on one side, away from the lamp panel base 200, of the diffusion plate 400;

the light reflecting cavity 210 is a cavity with a trapezoidal cross section, the light emitting element 300 is located at the upper bottom of the light reflecting cavity 210, the diffusion plate 400 is located at the lower bottom of the light reflecting cavity 210, the lamp panel base 200 is made of transparent plastic, and an aluminum film is arranged on the outer wall of the lamp panel base 200.

In this embodiment, set lamp plate base 200 to the plastic, and be transparent, the quality is littleer, and the cost is lower, because lamp plate base 200 is transparent, the event needs to set up the aluminium membrane on lamp plate base 200 outer wall, a light that gets into in lamp plate base 200 to refraction in the light radiation cavity is reflected, avoid the loss of light, improve the luminous efficacy of lamps and lanterns, light can carry out diffuse reflection in lamp plate base 200 and spread out from the diffuser plate 400 that can be non-light tight, and then other each sides of transparent 100 are followed one side diffuse reflection with light through transparent 100, reach the purpose of illumination.

Since no light loss occurs when the light reaches the transparent member 100, the light emitting efficiency is high, the light emitting member 300 with low power consumption can achieve the brightness of the light emitting member 300 with high power consumption, and the number of the light emitting members 300 can be reduced appropriately, thereby further reducing the cost and the power consumption.

By configuring the light reflection cavity 210 to be trapezoidal, and the inclined direction of the inclined side of the trapezoid divergently extends from the light emitting member 300 to two outer sides, the light is reflected from the inclined side and then concentrated to the middle and scattered out of the diffusion plate 400.

The light emitting pieces are LED lamps, the number of the light emitting pieces can be determined by actual requirements, and the arrangement mode of the light emitting pieces can be array arrangement with equal spacing distance and can also be other arrangement modes suitable for consumers.

In one embodiment, the inner trapezoidal sidewalls of the light reflecting cavity 210 are provided with a high light layer subjected to high light treatment.

In this embodiment, through set up the highlight layer on trapezoidal two hypotenuses for light is concentrated more after the reflection, makes the light efficiency better.

In one embodiment, the diffusion plate 400 covers the opening of the light reflection cavity 210 and the lamp panel base 200 at two sides of the light reflection cavity 210.

In this embodiment, the light loss can be reduced by completely covering the diffuser plate 400 over the light exit (i.e., the opening of the light reflecting cavity 210 and the lamp panel base 200 on both sides).

In one embodiment, a brightness enhancement film 500 is disposed between the diffuser plate 400 and the transparent member 100.

In the present embodiment, the brightness of the light entering the transparent member 100 is increased by providing the brightness enhancement film 500.

In one embodiment, the two oblique sides of the light reflecting cavity 210 are set to be a short side and a long side, the end of the short side is fixedly connected to one end of the diffusion plate 400, the other end of the diffusion plate 400 extends towards the long side, the diffusion plate 400 is parallel to the upper bottom of the light reflecting cavity 210, and the end of the long side is fixedly connected to the transparent member 100.

In this embodiment, in order to balance the heat dissipation and the loss ratio of light, two oblique sides of the light reflection cavity 210 are set to be one short and one long, the diffusion plate 400 is moved down to be installed on the short side, at this time, the diffusion plate 400 and the long side are not completely attached, a certain first gap exists, although the loss of light is increased, most of the light enters the transparent member 100 which is close to the diffusion plate 400 after being emitted from the gap, only a small part of the light does not emit out of the lamp through the transparent member 100, the influence is not great, the gap at this time can provide a partial heat dissipation function, and overheating is prevented from causing plastic dissolution or service life reduction of the light emitting member 300.

In one embodiment, the transparent member 100 includes a covering surface disposed at a side close to the diffusion plate 400 and having a size and shape corresponding to the lamp panel base 200, and a diverging surface disposed in an arc shape.

In this embodiment, through setting the transparency 100 to one side for the plane, other faces are the cambered surface for light can be better from the plane entering after carry out diffuse reflection through the cambered surface, light is more even.

In one embodiment, the lamp panel base 200 is circular.

Of course, the lamp panel base 200 may have other shapes.

In one embodiment, heat dissipation holes are disposed at the bottom of the light reflecting cavity 210.

In the present embodiment, the heat dissipation is further accelerated by providing heat dissipation holes at the bottom of the light reflection cavity 210 where the light emitting member 300 is disposed.

Further, in order to avoid the increase of light loss caused by the increase of the heat dissipation holes, the cover is arranged on the heat dissipation holes, the outer edge of the cover is curled into an arc shape and is connected with the bottom of the light reflection cavity 210, the cover covers the heat dissipation holes, the inner curling section of the cover is provided with a plurality of through holes, a cushion block is arranged between the heating piece and the bottom of the light reflection cavity 210, and the distance from the top of the cushion block to the bottom of the light reflection cavity 210 is greater than the distance from the through holes to the bottom of the light reflection cavity 210.

The cover is arranged on the heat dissipation hole, so that the loss caused by the fact that light is directly dissipated from the heat dissipation hole is avoided; through setting the cover bottom outer edge to the involution cambered surface, and set up cushion bed hedgehopping illuminating part 300 under illuminating part 300, for the cover has made one and has kept away the light zone, set up the through-hole on this involution cambered surface for the heat dissipation.

In one embodiment, a second gap is disposed between the transparent member 100 and the diffusion plate 400.

In the present embodiment, heat dissipation is facilitated by disposing the transparent member 100 to have the second gap with the diffusion plate 400.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily think of various equivalent modifications or replacements within the technical scope of the present invention, and these modifications or replacements should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. An efficient total reflection lamp, comprising:

the lamp panel base (200), wherein a light reflection cavity (210) is arranged in the lamp panel base (200);

a plurality of light emitting members (300) disposed at the bottom of the light reflecting cavity (210);

the diffusion plate (400) is arranged at an opening of the light reflection cavity (210) on one side opposite to the light-emitting piece (300);

the transparent piece (100) is arranged on one side, away from the lamp panel base (200), of the diffusion plate (400);

the lamp panel base is characterized in that the light reflection cavity (210) is a cavity with a trapezoidal section, the light emitting piece (300) is positioned at the upper bottom of the light reflection cavity (210), the diffusion plate (400) is positioned at the lower bottom of the light reflection cavity (210), the lamp panel base (200) is made of transparent plastic, and an aluminum film is arranged on the outer wall of the lamp panel base (200).

2. The highly efficient total reflection luminaire according to claim 1, wherein: the trapezoidal inner side wall of the light reflection cavity (210) is provided with a highlight layer subjected to highlight treatment.

3. The highly efficient total reflection luminaire according to claim 2, wherein: the diffusion plate (400) covers the opening of the light reflection cavity (210) and the lamp panel bases (200) on two sides of the light reflection cavity (210).

4. The highly efficient total reflection luminaire according to claim 1, wherein: a brightness enhancement film (500) is disposed between the diffuser plate (400) and the transparent member (100).

5. The highly efficient total reflection luminaire according to claim 1, wherein: two inclined edges of the light reflection cavity (210) are arranged into a short edge and a long edge, the end part of the short edge is fixedly connected with one end of the diffusion plate (400), the other end of the diffusion plate (400) extends towards the long edge, the diffusion plate (400) is parallel to the upper bottom of the light reflection cavity (210), and the end part of the long edge is fixedly connected with the transparent piece (100).

6. The highly efficient total reflection luminaire according to claim 5, wherein: transparent (100) are including the covering surface and the face of dispersing, the covering surface set up in being close to diffuser plate (400) one side, just the size shape of covering surface corresponds to lamp plate base (200), the face of dispersing sets the arc to.

7. The highly efficient total reflection luminaire according to claim 1, wherein: the lamp panel base (200) is circular.

8. The highly efficient total reflection luminaire according to claim 1, wherein: the bottom of the light reflecting cavity (210) is provided with heat dissipation holes.

9. The highly efficient total reflection luminaire according to claim 6, wherein: a first gap is arranged between the diffusion plate (400) and the long edge.

10. The highly efficient total reflection luminaire according to claim 9, wherein: a second gap is arranged between the transparent piece (100) and the diffusion plate (400).