CN219063226U

CN219063226U - Night lighting device for engineering construction

Info

Publication number: CN219063226U
Application number: CN202320231865.3U
Authority: CN
Inventors: 吴海海; 张枫; 周立刚; 丁中铭; 李宁; 胡业伟
Original assignee: Road and Bridge International Co Ltd; China Communications Road and Bridge North China Engineering Co Ltd
Current assignee: Road and Bridge International Co Ltd; China Communications Road and Bridge North China Engineering Co Ltd
Priority date: 2023-02-16
Filing date: 2023-02-16
Publication date: 2023-05-23
Anticipated expiration: 2033-02-16

Abstract

The utility model discloses a night lighting device for engineering construction, which comprises a shell, a luminous body, a convex lens and a diffraction sheet, wherein the inner surface of the shell is covered with a reflective coating, the luminous body and the convex lens are both arranged in the shell, the periphery of the convex lens is fixedly connected with the inner surface of the shell, and the diffraction sheet is covered at an opening of the shell; the convex lens is positioned in a region between the illuminant and the diffraction sheet; the diffraction sheet is provided with light holes, and the opening width of the light holes is 2-3mm. The beneficial effects of the utility model are as follows: the night illumination device for engineering construction can effectively improve the light utilization rate, increase the illumination range and reduce the number of lamps; the lighting light can be more uniform, and the occurrence of bad accidents caused by dazzling light at night can be avoided.

Description

Night lighting device for engineering construction

Technical Field

The utility model belongs to the technical field of lighting devices, and particularly relates to a night lighting device for engineering construction.

Background

Due to the characteristic of wide operation range of engineering construction space, the construction night lighting device must have high brightness and effective range. The current engineering field basically adopts the highlight LED shot-light as night lighting device, and the range of this kind of lamps and lanterns is far away, and the luminance is high in the direct range, but because its design principle, its coverage is less, and under night environment, the light is directly in the within range workman easily shaken eyes by the highlight, influences workman's action and judgement to a certain extent, can endanger the operation safety even.

Disclosure of Invention

The main object of the application is to provide a night illumination device for engineering construction, which has wide radiation range and uniform light.

In order to achieve the above object, the present utility model provides the following technical solutions:

the night illumination device for engineering construction comprises a shell, a luminous body, a convex lens and a diffraction sheet, wherein the inner surface of the shell is covered with a reflective coating, the luminous body and the convex lens are both arranged in the shell, the periphery of the convex lens is fixedly connected with the inner surface of the shell, and the diffraction sheet is covered at an opening of the shell; the convex lens is positioned in a region between the illuminant and the diffraction sheet; the diffraction sheet is provided with light holes, and the opening width of the light holes is 2-3mm.

When using this application the night lighting device for engineering construction, luminous body switch-on, the light of each angle that the reflection coating can effectively reflect light source transmission, improves the utilization ratio of light, and convex lens gathers the light that the light source transmitted on the diffraction piece, makes the light fully carry out diffraction interference, improves the illumination zone, has suitably reduced the intensity of light, makes the light diverge, even shines on the working face.

The reflective coating adopted in the application is an acrylic resin reflective coating, and the adopted illuminant is a strong light LED light source.

In the night lighting device for engineering construction, as a preferred embodiment, the shape of the housing is a sphere, and the illuminant is located on the central axis of the housing and is fixedly connected with the inner surface of the housing.

The segment is a segment of a sphere that is truncated by a plane, called a segment. The shell is arranged in a sphere shape, so that the gathering of light rays is facilitated.

In the night illumination device for engineering construction, as a preferred embodiment, the convex lens is disposed parallel to the bottom surface of the housing, and a distance between the convex lens and the illuminant is 8-12cm.

In the night illumination device for engineering construction, as a preferred embodiment, the diffraction sheet is a polished aluminum sheet diffraction sheet, the diffraction sheet includes a first diffraction sheet and a second diffraction sheet, and the first diffraction sheet and the second diffraction sheet have the same shape; the first diffraction piece covers in the opening part of shell, first diffraction piece with the second diffraction piece overlaps the setting, first diffraction piece with the second diffraction piece rotates to be connected.

The inner side of the polished aluminum sheet can reflect redundant light back to the inner wall of the shell, and the redundant light is reflected back to the diffraction sheet for diffraction after multiple reflections, so that the light utilization rate is improved.

The diffraction sheet and the shell can be fixed by bonding.

Screw connection is passed through between first diffraction piece and the second diffraction piece, and the screw hole has all been seted up to the central part of first diffraction piece and the central part of second diffraction piece, and the screw passes the screw hole and screws, fixes first diffraction piece and second diffraction piece, and when the mutual position of corresponding between first diffraction piece and the second diffraction piece needs to be adjusted, unscrew the screw, rotate the second diffraction piece can. The first diffraction sheet and the second diffraction sheet can correspondingly form different diffraction effects after rotating.

In the night illumination device for engineering construction, as a preferred embodiment, the first diffraction sheet is provided with a plurality of arc light holes and a plurality of strip light holes, the arc light holes take the center of the first diffraction sheet as the center of a circle, and the arc light holes extend from the center of the first diffraction sheet to the edge of the first diffraction sheet; the strip-shaped light holes are uniformly formed along the central axis of the second diffraction plate.

The second diffraction sheet is rotated, so that the arc-shaped light holes on the first diffraction sheet and the arc-shaped light holes on the second diffraction sheet are completely overlapped; the light transmission arc length of the arc-shaped light transmission holes on the first diffraction sheet can be changed by rotating the second diffraction sheet, so that the effect of diffracted light can be adjusted.

Preferably, the length of the strip-shaped light transmission holes is 4-6cm. The length of the strip-shaped light hole is the distance between the left edge and the right edge of the strip-shaped light hole.

The beneficial effects of the utility model are as follows: the night illumination device for engineering construction can effectively improve the light utilization rate, increase the illumination range and reduce the number of lamps; the lighting light can be more uniform, and the occurrence of bad accidents caused by dazzling light at night can be avoided.

Drawings

FIG. 1 is a side view of a night light for construction according to the present application;

FIG. 2 is a schematic view of a first diffraction plate of a night illumination device for engineering construction according to the present application;

FIG. 3 is a schematic view of a first diffraction pattern formed by overlapping a first diffraction sheet and a second diffraction sheet of a night illumination device for engineering construction, which is suitable for construction illumination under the condition of long and narrow working surface;

in the figure: 1. a housing; 2. a light emitting body; 3. a convex lens; 4. a first diffraction sheet; 5. a second diffraction sheet; 6. arc light holes; 7. and a strip-shaped light hole.

Detailed Description

In order that those skilled in the art will better understand the present application, a technical solution in the embodiments of the present application will be clearly and completely described in the following in connection with examples, and it is apparent that the described embodiments are only some embodiments of the present application, not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments herein without making any inventive effort, shall fall within the scope of the present application.

In the present application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal" and the like indicate an azimuth or a positional relationship based on that shown in the drawings. These terms are used primarily to better describe the present application and its embodiments and are not intended to limit the indicated device, element or component to a particular orientation or to be constructed and operated in a particular orientation.

Also, some of the terms described above may be used to indicate other meanings in addition to orientation or positional relationships, for example, the term "upper" may also be used to indicate some sort of attachment or connection in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.

The night illumination device for engineering construction comprises a shell 1, a luminous body 2, a convex lens 3 and a diffraction sheet, wherein the inner surface of the shell 1 is covered with a reflective coating, the luminous body 2 and the convex lens 3 are arranged in the shell 1, the periphery of the convex lens 3 is fixedly connected with the inner surface of the shell 1, and the diffraction sheet is covered at an opening of the shell 1; the convex lens 3 is positioned in a region between the light emitter 2 and the diffraction sheet; the diffraction sheet is provided with light holes, and the opening width of the light holes is 2-3mm.

The reflective coating can effectively reflect light rays of all angles emitted by the light source, the utilization rate of the light rays is improved, the convex lens 3 gathers the light emitted by the light source on the diffraction sheet, so that the light rays fully diffract and interfere, the illumination range is improved, the intensity of the light rays is properly reduced, and the light rays are scattered and uniformly irradiated on the working surface.

The shape of the housing 1 described in this embodiment is a segment shape, which is advantageous for light condensation. The illuminant 2 is arranged on the inner surface of the shell 1 and is positioned on the central axis of the shell 1; the convex lens 3 is arranged in parallel with the bottom surface of the housing 1 and the distance between the convex lens 3 and the luminous body 2 is 10cm.

The diffraction sheet used in this embodiment is a polished aluminum sheet diffraction sheet, and the diffraction sheet includes a first diffraction sheet 4 and a second diffraction sheet 5, and the first diffraction sheet 4 and the second diffraction sheet 5 have the same shape. The first diffraction piece 4 covers the opening part of the shell 1 and is fixedly connected with the opening of the shell 1, the first diffraction piece 4 and the second diffraction piece 5 are overlapped, the first diffraction piece 4 and the second diffraction piece 5 are rotationally connected, and the range of diffracted light can be adjusted by rotating the second diffraction piece 5.

The specific structures of the first diffraction sheet 4 and the second diffraction sheet 5 are: a plurality of arc light holes 6 and a plurality of strip light holes 7 are arranged on the first diffraction sheet 4, the arc light holes 6 take the center of the first diffraction sheet 4 as the center of a circle, and the arc light holes 6 extend from the center of the first diffraction sheet 4 to the edge of the first diffraction sheet 4; the strip-shaped light holes 7 are uniformly formed along the central axis of the second diffraction sheet 5, and the length of each strip-shaped light hole 7 is 4cm.

The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that modifications and additions may be made to those skilled in the art without departing from the method of the present utility model, which modifications and additions are also to be considered as within the scope of the present utility model.

Claims

1. The night illumination device for engineering construction is characterized by comprising a shell, a luminous body, a convex lens and a diffraction sheet, wherein the inner surface of the shell is covered with a reflective coating, the luminous body and the convex lens are both arranged in the shell, the periphery of the convex lens is fixedly connected with the inner surface of the shell, and the diffraction sheet is covered at the opening of the shell;

the convex lens is positioned in a region between the illuminant and the diffraction sheet;

the diffraction sheet is provided with light holes, and the opening width of the light holes is 2-3mm.

2. The night light for engineering construction according to claim 1, wherein the housing is in a shape of a sphere, and the luminous body is positioned on a central axis of the housing and fixedly connected with an inner surface of the housing.

3. The night illumination device for engineering construction according to claim 2, wherein the convex lens is arranged in parallel with the bottom surface of the housing, and a distance between the convex lens and the illuminant is 8-12cm.

4. The night light for engineering construction of claim 1, wherein the diffraction sheet is a polished aluminum sheet diffraction sheet, the diffraction sheet comprises a first diffraction sheet and a second diffraction sheet, and the first diffraction sheet and the second diffraction sheet have the same shape; the first diffraction piece covers in the opening part of shell, first diffraction piece with the second diffraction piece overlaps the setting, first diffraction piece with the second diffraction piece rotates to be connected.

5. The night illumination device for engineering construction according to claim 4, wherein the first diffraction sheet is provided with a plurality of arc light holes and a plurality of strip light holes, the plurality of arc light holes are concentrically arranged, and the plurality of arc light holes extend from the center of the first diffraction sheet to the edge of the first diffraction sheet; the strip-shaped light holes are uniformly formed along the central axis of the second diffraction plate.

6. The night light for engineering construction of claim 5, wherein the length of the strip-shaped light-transmitting hole is 4-6cm.