CN214332407U

CN214332407U - LED blackboard lamp optical lens with invisible stripe optical structure and LED blackboard lamp

Info

Publication number: CN214332407U
Application number: CN202021608499.1U
Authority: CN
Inventors: 郑耀富
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-08-04
Filing date: 2020-08-04
Publication date: 2021-10-01
Anticipated expiration: 2030-08-04

Abstract

The utility model provides a stealthy light stripe optical structure's LED blackboard lamp optical lens and LED blackboard lamp belongs to optical lens technical field. This LED blackboard lamp optic mirror of latent light stripe optical structure includes: lens body and latent light stripe, wherein the lens body includes the first surface, second surface and total reflection face, the first surface is sunken to lens body inside, the second surface is protruding to lens body outside, the total reflection face sets up between first surface and second surface, the total reflection face can reflect the light that whole first surface got into and reach the second surface, the latent light stripe sets up in the one end of keeping away from the first surface on the second surface, the latent light stripe has many, the latent light stripe is by the peripheral extension of second surface central line second surface. This optical lens can make the light correspond fixed stripe and have the distribution of sequence with the light of penetrating the lens body through many secret light stripes, has improved the degree of consistency of light facula, improves and protects mr and student's eyes to avoid optical pollution.

Description

LED blackboard lamp optical lens with invisible stripe optical structure and LED blackboard lamp

Technical Field

The utility model relates to an optical lens technical field particularly, relates to a LED blackboard lamp optical lens and LED blackboard lamp of latent light stripe optical structure.

Background

In 2011, 5 and 1, China starts to implement the hygienic standards for lighting and lighting in classrooms of primary and secondary schools, and the illuminance of the desk surface of the classroom needs to reach 300Lx and the illuminance of the blackboard surface needs to reach 500 Lx. However, in a classroom, a blackboard is not provided with a special lamp or a common fluorescent lamp holder is used as a blackboard lamp, so that most of light is not actually and effectively utilized on the blackboard, but is removed from the blackboard. The illumination of the blackboard is not enough, the illumination uniformity is poor, and the students cannot see the contents written on the blackboard naturally, so that the learning efficiency is reduced, and simultaneously, the eye diseases such as myopia and the like are easily caused.

SUMMERY OF THE UTILITY MODEL

The embodiment of the utility model provides a LED blackboard lamp optical lens and LED blackboard lamp of hidden light stripe optical structure aims at protecting mr and student's eyes and avoids optical pollution.

In a first aspect, the embodiment of the utility model provides a LED blackboard lamp optic mirror of hidden light stripe optical structure, include: a lens body and a matte stripe.

The lens body comprises a first surface, a second surface and a total reflection surface, wherein the first surface is sunken towards the inside of the lens body, the second surface is raised towards the outside of the lens body, the total reflection surface is arranged between the first surface and the second surface, and the total reflection surface can reflect all light entering from the first surface to the second surface;

the hidden light stripes are arranged at one end of the second surface, which is far away from the first surface, the hidden light stripes are multiple, and the hidden light stripes extend from the center line of the second surface to the periphery of the second surface.

The embodiment of the utility model provides an in, the latent light stripe sets up in the one end of lens body, and the lens body divide into three faces, first surface, second surface and total reflection face. Wherein the first surface is sunken to lens body inside, the second surface is protruding to lens body outside, the total reflection surface sets up between first surface and second surface, light jets into through first surface, the lens body is jetted out through the second surface to some light that jets into, some light that jets into jets out the lens body from the second surface after the total reflection surface reflection, the light furthest that makes light send concentrates toward the target blackboard, the light that jets out the lens body passes through many hidden light stripes, it has the distribution of sequence to make light correspond fixed stripe, the degree of consistency of light facula has been improved, protection mr and student's eyes avoid optical pollution.

With reference to the first aspect, in a first possible embodiment of the first aspect, the hidden light stripes are straight stripes, and the hidden light stripes are distributed laterally along the second surface.

The embodiment of the utility model provides an in, the latent light stripe is straight stripe, and the latent light stripe is along second surface transverse distribution, makes light correspond fixed stripe and has the horizontal line direction distribution of sequence, improves the degree of consistency of light facula, and the protection mr and student's eyes are avoided optical pollution.

In a second possible embodiment of the first aspect in combination with the first aspect, the first and second surfaces of the lens are smooth.

The embodiment of the utility model provides an in, the latent light stripe makes the lens body do not do the atomization process, under the smooth condition in lens body surface promptly, has improved the degree of consistency of light facula, and protection mr and student's eyes are avoided optical pollution.

With reference to the first aspect, in a third possible embodiment of the first aspect, the lens body is provided with a plurality of mounting blocks, and the plurality of mounting blocks are used for fixing the lens body.

The embodiment of the utility model provides an in, the lens body is provided with the installation piece, and the installation piece can make lens body fixed mounting, improves the stability of lens body, improves the degree of consistency of light facula, improves and protects mr and student's eyes to avoid optical pollution.

In a second aspect, the embodiment of the utility model provides a still provide a LED blackboard lamp, include: the first aspect and various possible embodiments of the first aspect are LED blackboard lamp optic of a scotopic stripe optical structure.

And: base, LED blackboard lamp and anti-dazzle structure.

Wherein, one end of the base is provided with an installation groove, and the installation block is arranged in the installation groove;

the LED lamp is arranged between the base and the lens body, and one end of the LED lamp faces the first surface;

the anti-dazzle structure is installed in the one end that the LED lamp was kept away from to the base, and the anti-dazzle structure is used for being in the light anti-dazzle.

The embodiment of the utility model provides an in, the lens body is installed in the one end of base member through the installation piece, install the LED lamp between base member and the lens body, the LED lamp is relative with the first surface, the light of LED lamp gets into the lens body through the first surface and jets out through the second surface, the light that partly jets out has jetted out the blackboard, the light that partly jets out has jetted out anti-dazzle mechanism, anti-dazzle mechanism can reduce the glare value of light, prevent that glare dazzling from leading to the student to be difficult to concentrate attention, cause eye diseases such as myopia, the improvement protects mr and student's eyes and avoids optical pollution.

In combination with the second aspect, in a first possible embodiment of the second aspect, the anti-glare structure includes a first anti-glare plate and a second anti-glare plate, one end of the first anti-glare plate is connected to the second surface, the other end of the first anti-glare plate is connected to the second anti-glare plate at an angle, and one end of the second anti-glare plate, which is far away from the first anti-glare plate, is connected to the base.

The embodiment of the utility model provides an in, anti-dazzle mechanism includes first anti-dazzle board and second anti-dazzle board, and first anti-dazzle board and second anti-dazzle board junction form certain angle and sunken to base one end, and the first anti-dazzle board of angulation and second anti-dazzle board can furthest reduce the glare value of light, improve and protect mr and student's eyes to avoid optical pollution.

With reference to the second aspect, in a second possible embodiment of the second aspect, the LED blackboard lamp further includes a light barrier adjusting assembly, the light barrier adjusting assembly is installed at one end of the base, the light barrier adjusting assembly includes a light-shielding baffle, a baffle dial and a dial base, the light-shielding baffle is provided with a positioning hole, the baffle dial is connected with the dial base through the positioning hole, and the dial base is slidably connected with the base.

The embodiment of the utility model provides an in, barn door adjustment mechanism installs in the bottom of base, and the dial-up base can slide on the base, and the baffle dial-up is connected with the dial-up base through the locating hole of shading baffle, undulant baffle dial-up, and the relative base of shading baffle removes, makes the shading baffle can shelter from the glare, reduces the glare value of light, improves and protects mr and student's eyes to avoid optical pollution.

In combination with the second possible embodiment of the second aspect, in a third possible embodiment of the second aspect, the light barrier adjusting assembly further includes a scale block, the scale block is installed on the base, the dial-up base is sleeved with the scale block, scales are arranged on the scale block, the light-shielding baffle is provided with a display hole, and the display hole is used for displaying the scales.

The embodiment of the utility model provides an in, the shading baffle is provided with the display hole, and the display hole is used for showing the scale on the scale piece, and the dial-up base is located to the scale piece in base one end and cover, and the display hole on the shading baffle can demonstrate the displacement distance of shading baffle when removing the baffle dial-up, can audio-visual effect that embodies the shading, reduces the dizzy light value of light, improves and protects mr and student's eyes to avoid optical pollution.

In a third possible embodiment of the second aspect, in a fourth possible embodiment of the second aspect, the light barrier adjusting assembly further includes a blocking elastic piece, the blocking elastic piece is installed on the scale block, the blocking elastic piece is provided with a first fixture block, the first fixture block is multiple, the first fixture blocks are uniformly arranged, the dial-up base is provided with a second fixture block, and the first fixture block can be clamped with the second fixture block.

The embodiment of the utility model provides an in, keep off the position shell fragment and be connected with the scale block, keep off the position shell fragment can also with dial-up base butt, can restrict the removal of dial-up base when the dial-up base removes, reduce the dizzy light value of light, improve protection mr and student's eyes and avoid optical pollution.

In a fifth possible embodiment of the second aspect in combination with the second possible embodiment of the second aspect, the light barrier adjustment assembly further includes a side cover, the side cover is connected with the base, and the light blocking flap is slidably connected with the side cover.

The embodiment of the utility model provides an in, the side cap is installed in the one end of base, and shading baffle and side cap sliding connection make the installation of shading baffle more stable, reduce the dizzy light value of light, improve protection mr and student's eyes and avoid optical pollution.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic structural diagram of an LED blackboard lamp optic mirror with a light-hiding stripe optical structure according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of an LED blackboard lamp according to an embodiment of the present invention;

fig. 3 is an exploded view of a light barrier adjustment assembly of an LED blackboard lamp according to an embodiment of the present invention;

fig. 4 is an adjustment comparison diagram of a light barrier adjustment assembly of an LED blackboard lamp according to an embodiment of the present invention;

fig. 5 is an adjustment comparison diagram of a light barrier adjusting assembly of an LED blackboard lamp according to an embodiment of the present invention.

In the figure: 10-LED blackboard light; 100-LED blackboard lamp optical lens with hidden light stripe optical structure; 110-a lens body; 111-a first surface; 113-a second surface; 115-total reflection surface; 130-dark stripes; 150-a mounting block; 300-a base; 500-LED lamps; 700-an anti-glare mechanism; 710-a first antiglare sheet; 730-a second antiglare sheet; 900-light barrier adjustment assembly; 910-a light-blocking baffle; 911-positioning holes; 913 — display holes; 915-side cover; 930-baffle dial-up; 950-a dial-up base; 951-a second fixture block; 970-scale block; 990-gear elastic sheet; 991-first block.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are 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.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the 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 should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", 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 to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Examples

Referring to fig. 1, an embodiment of the present invention provides an LED blackboard lamp optical lens 100 with a light-hiding stripe optical structure, including: a lens body 110 and a matte stripe 130.

Referring to fig. 1, the lens body 110 includes a first surface 111, a second surface 113, and a total reflection surface 115. In a specific arrangement, the first surface 111 is recessed toward the inside of the lens body 110, the second surface 113 is raised toward the outside of the lens body 110, and in particular, the surfaces of the first surface 111 and the second surface 113 are smoothly arranged. In a specific arrangement, the total reflection surface 115 is disposed between the first surface 111 and the second surface 113, and the total reflection surface 115 can reflect all light entering from the first surface 111 to reach the second surface 113. In a specific arrangement, the lens body 110 is provided with a plurality of mounting blocks 150, and the plurality of mounting blocks 150 can fix the lens body 110.

Referring to fig. 1, the hidden light stripes 130 are disposed at one end of the second surface 113, and when the hidden light stripes 130 are specifically disposed, the hidden light stripes 130 are straight stripes, the number of the hidden light stripes 130 is multiple, the multiple hidden light stripes 130 extend from the center of the second surface 113 to the periphery of the second surface 113, and specifically, the hidden light stripes 130 are distributed along the second surface 113 in the transverse direction.

In the embodiment of the present invention, the hidden light stripe 130 is disposed at one end of the lens body 110, and the lens body 110 is divided into three surfaces, i.e., a first surface 111, a second surface 113 and a total reflection surface 115. The first surface 111 is concave towards the inside of the lens body 110, the second surface 113 is convex towards the outside of the lens body 110, the total reflection surface 115 is arranged between the first surface 111 and the second surface 113, the lamp light enters through the first surface 111, a part of the entering lamp light exits the lens body 110 through the second surface 113, a part of the entering lamp light exits the lens body 110 from the second surface 113 after being reflected by the total reflection surface 115, the light emitted by the lamp light is concentrated towards a target blackboard to the maximum extent, the lamp light exiting the lens body 110 passes through the plurality of hidden light stripes 130, the stripes fixed corresponding to the lamp light are distributed in sequence, the uniformity of light spots of the lamp light is improved, and teachers and students' eyes are protected from optical pollution.

Referring to fig. 2, an embodiment of the present invention further provides an LED blackboard lamp 10, which includes an LED blackboard lamp optical lens 100 with a light-hiding stripe optical structure, a base 300, an LED lamp 500, and an anti-glare mechanism 700.

Referring to fig. 2, the base 300 is a rectangular parallelepiped, and specifically, the base 300 is made of stainless steel. In a specific arrangement, one end of the base 300 is provided with a mounting groove for mounting the lens body 110. In a specific arrangement, the LED lamp 500 is mounted at one end of the base 300, specifically, the LED lamp 500 is mounted between the base 300 and the lens body 110, and a light emitting end of the LED lamp 500 faces the first surface 111. In specific setting, the model of the LED lamp 500 is selected according to actual conditions.

With continued reference to fig. 2, the anti-glare mechanism 700 includes a first anti-glare plate 710 and a second anti-glare plate 730. In a specific arrangement, one end of the first anti-glare plate 710 is connected to the second surface 113, the other end of the second anti-glare plate 730 is connected to the second anti-glare plate 730, and one end of the second anti-glare plate 730, which is far away from the first anti-glare plate 710, is connected to the base 300. Specifically, a certain angle is formed at the connection position of the first anti-glare plate 710 and the second anti-glare plate 730 and is recessed toward one end of the base 300, and the first anti-glare plate 710 and the second anti-glare plate 730 having the angle can reduce the glare value of the light to the maximum.

Referring to fig. 3, an LED blackboard lamp 10 further includes a light barrier adjustment assembly 900. In a specific arrangement, the light barrier adjustment assembly 900 includes a side cover 915, a light-blocking baffle 910, a baffle dial 930, a dial base 950, a scale block 970, and a gear spring 990. In a specific arrangement, the side covers 915 are mounted on the base 300 through locking screws, specifically, the side covers 915 have two, and the two side covers 915 are mounted at two symmetrical ends of the base 300. When the light shielding shutter 910 is specifically arranged, the side cover 915 is slidably connected with the light shielding shutter 910, the light shielding shutter 910 is provided with a positioning hole 911 and a display hole 913, the shutter dial 930 is connected with the dial base 950 through the positioning hole 911, and the light shielding shutter 910 can move relative to the base 300 by dialing the shutter dial 930. When specifically setting up, dial-up base 950 is located to scale 970 cover and is kept away from the one end of shading baffle 910, and on scale 970 fixed mounting and base 300, still be provided with fender position shell fragment 990 on the fast, specifically, be provided with first fixture block 991 on keeping off position shell fragment 990, be provided with second fixture block 951 on the dial-up base 950, first fixture block 991 can the butt with the removal of restriction baffle dial-up 930 with second fixture block 951. In a specific setting, one end of the scale block 970 is provided with a scale, and the distance of movement of the light shielding shutter 910 can be displayed through the display hole 913. (see fig. 4)

Referring to fig. 5, by moving the barrier dial 930, the light barrier adjustment assembly 900 can be moved relative to the base 300, so that the light barrier adjustment assembly 900 can reduce glare to the maximum.

The embodiment of the utility model provides an in, lens body 110 is installed in the one end of base member through installation piece 150, install LED lamp 500 between base member and the lens body 110, LED lamp 500 is relative with first surface 111, LED lamp 500's light gets into lens body 110 through first surface 111 and jets out through second surface 113, the blackboard has been penetrated to the light that partly jets out, the light that partly jets out has penetrated anti-dazzle mechanism 700, anti-dazzle mechanism 700 can reduce the dizzy value of light, it leads to the student to be difficult to concentrate attention to prevent that glare dazzling, cause eye diseases such as myopia, the improvement protects mr and student's eyes and avoids optical pollution.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a LED blackboard lamp optical lens of hidden light stripe optical structure which characterized in that includes:

the lens comprises a lens body and a light source, wherein the lens body comprises a first surface, a second surface and a total reflection surface, the first surface is concave towards the inside of the lens body, the second surface is convex towards the outside of the lens body, the total reflection surface is arranged between the first surface and the second surface, and the total reflection surface can reflect all light entering from the first surface to the second surface;

the light-hiding stripes are arranged at one end, far away from the first surface, of the second surface, and the light-hiding stripes are multiple and extend from the center of the second surface to the periphery of the second surface.

2. The LED blackboard light optic of claim 1, wherein the hidden stripes are straight stripes and distributed laterally along the second surface.

3. The LED blackboard light optic of claim 1, wherein the first and second surfaces of the lens body are smooth.

4. The LED blackboard lamp optic mirror of the hidden light stripe optical structure as claimed in claim 1, wherein the lens body is provided with a plurality of mounting blocks, and the plurality of mounting blocks are used for fixing the lens body.

5. An LED blackboard lamp, characterized by comprising:

the LED blackboard lamp optic of a matte stripe optical structure of claim 4; and

the mounting block is mounted in the mounting groove;

the LED lamp is arranged between the base and the lens body, and one end of the LED blackboard lamp faces to the first surface;

the anti-dazzle structure is installed at one end, far away from the LED lamp, of the base, and is used for light blocking and anti-dazzle.

6. The LED blackboard lamp according to claim 5, wherein the anti-glare structure comprises a first anti-glare plate and a second anti-glare plate, one end of the first anti-glare plate is connected with the second surface, the other end of the first anti-glare plate is connected with the second anti-glare plate at a certain angle, and one end of the second anti-glare plate, which is far away from the first anti-glare plate, is connected with the base.

7. The LED blackboard lamp according to claim 5, further comprising a light barrier adjusting assembly, the light barrier adjusting assembly is mounted at one end of the base and comprises a light-shielding baffle, a baffle dial and a dial base, the light-shielding baffle is provided with a positioning hole, the baffle dial is connected with the dial base through the positioning hole, and the dial base is slidably connected with the base.

8. The LED blackboard lamp according to claim 7, wherein the light barrier adjusting assembly further includes a scale block, the scale block is mounted on the base, the scale block is sleeved on the dial-up base, scales are arranged on the scale block, the light-shielding baffle is provided with a display hole, and the display hole is used for displaying the scales.

9. The LED blackboard lamp according to claim 8, wherein the light barrier adjusting assembly further includes a blocking spring, the blocking spring is mounted on the scale block, the blocking spring is provided with a first clamping block, the first clamping block is provided with a plurality of first clamping blocks, the first clamping blocks are uniformly arranged, the dial-up base is provided with a second clamping block, and the first clamping block can be clamped with the second clamping block.

10. The LED blackboard lamp of claim 7, wherein the light barrier adjustment assembly further includes a side cover, the side cover is connected to the base, and the light blocking baffle is slidably connected to the side cover.