CN218582932U

CN218582932U - LED projection light tube output by Fresnel lens

Info

Publication number: CN218582932U
Application number: CN202222748929.5U
Authority: CN
Inventors: 吕海华
Original assignee: Zhongshan Zuodeng Lighting And Electrical Co ltd
Current assignee: Zhongshan Zuodeng Lighting And Electrical Co ltd
Priority date: 2022-10-17
Filing date: 2022-10-17
Publication date: 2023-03-07
Anticipated expiration: 2032-10-17

Abstract

An LED projection light tube output by a Fresnel lens comprises a tube body, an LED light bar arranged in the tube body, a light path guide part butted with the LED light bar and a Fresnel lens cover; the lamp tube body provides a placing cavity for installing the LED lamp strip; the light path guiding part receives the light transmission or refraction of the LED lamp strip to change the light path so as to limit the output angle, and therefore the light path guiding part projects light to the Fresnel lens cover and transmits the light to change the light path angle for output. It can make the light path take place once more after the angle changes throw the fresnel lens printing opacity again and change the directional output needs that the back was exported, mountable change different angles's light path guide part adjust output light and satisfy, uses to improve light energy utilization ratio greatly, and output light is soft good adaptation feel, advantages such as not dazzling.

Description

LED projection light tube output by Fresnel lens

Technical Field

The utility model relates to a LED of fresnel lens output throws fluorescent lamp.

Background

According to patent retrieval and market investigation, most of the existing LED light pipes are directly output by a smooth light-transmitting cover, and the light output is in a divergent and non-directional projection state, so that the light utilization rate is poor, and discomfort is caused to eyes no matter at different installation heights, therefore, an LED projection light pipe output by a Fresnel lens is developed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a provide a LED of fresnel lens output throws fluorescent lamp, it can make the light path take place once more after the angle changes throw again to fresnel lens printing opacity change to back output, mountable change the light path guide part of different angles and adjust the directional output needs that output light satisfied, use improve light energy utilization ratio greatly, and output light is soft good that the suitable sense is good, does not dazzle advantages such as eye.

In order to achieve the above object, the present invention provides an LED projection light tube with fresnel lens output, which comprises a tube body, an LED light bar installed in the tube body, a light path guide part butted with the LED light bar, and a fresnel lens cover; the lamp tube body provides a placing cavity for installing the LED lamp strip; the light path guide part receives the light transmission or refraction of the LED lamp strip to change the light path so as to limit the output angle, and therefore the light path guide part projects the light to the Fresnel lens cover to change the light path angle output through the Fresnel lens cover.

In one or more embodiments of the present invention, the light path guiding portion is a light collecting or expanding beam cup strip.

In one or more embodiments of the present invention, the number of the converging or diverging beam cup bars is plural, and they are arranged in a continuous straight line and flat arrangement.

In one or more embodiments of the present invention, the two sides of the light collecting or expanding beam cup strip have an extending skirt portion, and the lamp tube body is a recessed groove for detachably placing the extending skirt portion in a limiting manner.

In one or more embodiments of the present invention, the light path guiding portion is a light reflecting plate; the reflector forms an inclined part, and an embedded edge extends out of the outer side of the inclined part; the embedded edge is placed in the embedded groove to limit the position of the reflector plate and prevent the reflector plate from moving up and down.

In one or more embodiments of the present invention, the fresnel lens cover forms a plurality of raised light transmitting strips.

In one or more embodiments of the present invention, the assembling hooks are formed on both sides of the fresnel lens cover, and the lamp tube body provides a clamping groove for the assembling hooks.

In one or more embodiments of the present invention, the fresnel lens cover is combined with the light path guide portion to make the light-emitting angle range 10 degrees to 100 degrees.

In one or more embodiments of the present invention, the lamp tube body is made of metal.

In one or more embodiments of the present invention, the lamp tube body is made of plastic or glass.

Compared with the prior art, the utility model the effect that exists is:

by adopting the technical scheme, the light path can be projected to the Fresnel lens for transmission and then output after being changed in angle every time, and the light path guide part with different angles can be installed and changed to adjust the directional output requirement met by the output light, so that the utilization rate of light energy is greatly improved, the output light is soft and comfortable, and the glare is avoided.

Drawings

FIG. 1 is a schematic structural diagram of an LED projection light pipe output by a Fresnel lens according to a first embodiment of the present invention;

FIG. 2 is a schematic diagram of an expanded structure of an LED projection light pipe outputted from a Fresnel lens according to a first embodiment of the present invention;

FIG. 3 is an enlarged view taken at A in FIG. 2;

fig. 4 is a schematic structural diagram of an LED projection light pipe output from a fresnel lens according to a second embodiment of the present invention;

fig. 5 is a schematic view of an expanded structure of an LED projection light pipe outputted from a fresnel lens according to a second embodiment of the present invention;

FIG. 6 is an enlarged view of FIG. 5 at B;

those skilled in the art can appreciate that the shapes, configurations and arrangements of the various elements shown in the drawings are not necessarily to scale, and that the dimensions of the various elements and components of the drawings may be exaggerated or minimized to more clearly illustrate the embodiments of the present invention described herein.

Detailed Description

Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout.

The orientations shown in the drawings are not to be considered limiting to the specific scope of the present invention, but are for reference only to a preferred embodiment, and positional changes or addition of numbers or structural simplifications may be made with respect to the product parts shown in the drawings.

The relation of "connected" in the specification and "connected" between the components shown in the drawings may be understood as fixedly connected or detachably connected or integrally connected; the connecting elements can be directly connected or connected through an intermediate medium, and persons skilled in the art can understand the connecting relation according to specific conditions, and can use the connecting elements in a screwed connection or riveting connection or welding connection or clamping connection or embedding connection mode to replace different embodiments in a proper mode.

The terms of orientation such as up, down, left, right, top, bottom, and the like in the description and the orientation shown in the drawings, may be used for direct contact or contact with each other through another feature therebetween; above may be directly above and obliquely above, or it simply means above the other; other orientations may be understood by analogy. The technical scheme and the beneficial effects of the invention are clearer and clearer by further describing the specific embodiment of the invention with the accompanying drawings of the specification.

First embodiment:

referring to fig. 1, 2 and 3, the present embodiment provides an LED projection light tube output by a fresnel lens, which includes a lamp tube body 1, an LED light bar 2 installed in the lamp tube body 1, a light path guiding portion 3 abutting against the LED light bar 2, a fresnel lens cover 4, and lamp caps 5 installed at two ends of the lamp tube body 1; the lamp tube body 1 provides a placing cavity 11 for installing the LED lamp strip; the light path guiding part 3 receives the light transmission or refraction of the LED light bar 2 to change the light path to define the output angle, so as to project the light path angle output changed by the transmission of the Fresnel lens cover 4 to the Fresnel lens cover 4.

The light path guiding part 3 is a light collecting or light expanding beam cup strip. The light collecting or light expanding beam cup strip is a light cup strip which can transmit light to form light collecting output or light expanding output. In order to facilitate the processing and reduce the requirement of matching precision, the number of the light collecting or light expanding beam cup strips is a plurality, and the light collecting or light expanding beam cup strips are continuously arranged in a straight line and flatly.

The two sides of the light collecting or light expanding beam cup strip are provided with extending skirt parts 31, and the lamp tube body 1 provides caulking grooves 12 for the detachable placing and limiting of the extending skirt parts 31; when the light-emitting angles are different, the required output light angle can be adjusted by replacing different light collecting or light expanding beam cup strips, and the detachable mode enables universality to be strong and field installation operation and combination selection to be very convenient.

Second embodiment:

please refer to fig. 4, 5, and 6, which show the same general structure and principle as the first embodiment, except that: the light path guiding part 3 is a reflecting plate; the reflector forms an inclined part 32, and a caulking edge 33 extends out of the outer side of the inclined part 32; the insert 33 is inserted into the insert groove 12 to define the position of the reflector and prevent the reflector from moving up and down. The fresnel lens cover 4 is formed with a plurality of raised light transmitting strips 41. The fresnel lens cover 4 has assembly hooks 42 formed on both sides thereof, and the lamp tube body 1 provides the engagement grooves 13 for the assembly hooks 42. The Fresnel lens cover 4 and the light path guide part 3 are combined to enable the light emitting angle range to be 10-100 degrees.

The lamp tube body 1 can be made of metal; plastic materials or glass may also be used.

Taken together with the above description and shown in all the accompanying drawings, further illustrate the principles:

during the use, LED lamp strip circular telegram is luminous, and light is received back light transmission or refraction when light path guide part 3 and is injectd output angle in order to change the light path, throws to fresnel lens lid 4 again and changes light path angle output through fresnel lens lid 4 transmission, makes like this the utility model discloses can make the light path take place after the angle change once more throw to fresnel lens printing opacity again and change the backward output, the mountable changes the light path guide part 3 of different angles and adjusts the directional output needs that output light satisfies, uses to improve light energy utilization ratio greatly, and output light is soft good to be felt, advantages such as not dazzling.

The foregoing description, for purposes of explanation, used specific nomenclature to provide a thorough understanding of the embodiments described. However, it will be apparent to one skilled in the art that the specific details are not required in order to practice the embodiments. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and modifications and substitutions based on the known art are intended to fall within the scope of the present invention, which is defined by the claims.

Claims

1. An LED projection light tube output by a Fresnel lens is characterized by comprising a tube body, an LED light bar arranged in the tube body, a light path guide part butted with the LED light bar and a Fresnel lens cover; the lamp tube body provides a placing cavity for installing the LED lamp strip; the light path guide part receives the light transmission or refraction of the LED lamp strip to change the light path so as to limit the output angle, and therefore the light path guide part projects the light to the Fresnel lens cover to change the light path angle output through the Fresnel lens cover.

2. A fresnel lens output LED projection light pipe as recited in claim 1, wherein: the light path guiding part is a light collecting or light expanding beam cup strip.

3. A fresnel lens output LED projection light pipe as set forth in claim 2, wherein: the number of the light collecting or light expanding beam cup strips is multiple, and the light collecting or light expanding beam cup strips are continuously arranged in a straight line in a flat mode.

4. A fresnel lens output LED projection light pipe as set forth in claim 3, wherein: the both sides of collection or beam-expanding beam light cup strip have extension skirt portion, the lamp body does extend skirt portion can dismantle to put into spacing caulking groove that provides of putting into.

5. A fresnel lens output LED projection light pipe as set forth in claim 1, wherein: the light path guide part is a reflector; the reflector forms an inclined part, and an embedded edge extends out of the outer side of the inclined part; the embedded edge is placed in the embedded groove to limit the position of the reflector plate and prevent the reflector plate from moving up and down.

6. A Fresnel lens output LED projection light pipe according to any of claims 1 to 5 wherein: the Fresnel lens cover forms a plurality of raised light transmitting strips.

7. A Fresnel lens output LED projection light pipe according to claim 6 wherein: assembly hooks are formed on two sides of the Fresnel lens cover, and the lamp tube body provides clamping grooves for the assembly hooks.

8. A Fresnel lens output LED projection light pipe according to claim 7 wherein: the Fresnel lens cover and the light path guide part are combined to enable the light emitting angle range to be 10-100 degrees.

9. A Fresnel lens output LED projection light pipe according to claim 7 wherein: the lamp tube body is made of metal.

10. A fresnel lens output LED projection light pipe as set forth in claim 9, wherein: the lamp tube body is made of plastic or glass.