CN112133219B

CN112133219B - Lamp box device with divergent lens

Info

Publication number: CN112133219B
Application number: CN202010955200.8A
Authority: CN
Inventors: 由磊
Original assignee: Shanghai Edge Light Industry Co Ltd
Current assignee: Shanghai Edge Light Industry Co Ltd
Priority date: 2020-09-11
Filing date: 2020-09-11
Publication date: 2022-07-29
Anticipated expiration: 2040-09-11
Also published as: CN112133219A

Abstract

The invention discloses a lamp box device with a divergent lens, comprising: the lamp box and the divergent mirror assembly are used for illuminating the lamp box and fixed in the lamp box; the subassembly of dispersing the mirror including dispersing the mirror, with flange dish seat, the being fixed in of the bottom integral type intercommunication of dispersing the mirror first reflector seat on the bottom surface and being fixed in the flange dish seat second reflector seat on the first reflector seat, first reflector seat department installs the lamp source, the upper end position of second reflector seat in it is inside to disperse the mirror, and the second reflector seat is used for the light of reflector lamp source to on dispersing the internal surface of mirror, first reflector seat is used for the light of reflection light source to on the internal surface of flange dish seat, the flange dish seat is used for radiating the light of first reflector seat reflection department to the lamp house on. According to the invention, the LED lights are irradiated on the screens of the lamp boxes with different sizes by controlling the light direction of the LED, so that the utilization rate of the lights is improved, the whole lamp box emits light uniformly, and the LED light box is suitable for the lamp boxes with different sizes.

Description

Lamp box device with divergent lens

Technical Field

The invention relates to the technical field of diverging mirrors, in particular to a lamp box device with a diverging lens.

Background

Along with the popularization of efficient and energy-saving LED light sources, the LED light sources have been replaced in various fields of the lighting industry, in the field of light boxes, because the light intensity angle of an LED is 120 degrees, when the LED is used in the light boxes, light spots are uneven, the utilization rate of light is low, the efficient and energy-saving advantages of the LED cannot be embodied, and the LED light boxes cannot be used for large-size light boxes at all. For example, patent No. CN 101300616a, a display device such as a light box comprises: a housing; a light source housed in the housing; and at least one diffusely translucent display surface illuminated by light from the light source. Orientation means are added to the light source to obtain a directional characteristic of the light emitted by the light source such that the light source impinges almost exclusively on the at least one wall. The at least one wall is diffusely reflective such that a portion of light incident thereon is emitted onto the display surface.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide the lamp box device with the diverging lens, the LED light rays are controlled to irradiate on the screens of the lamp boxes with different sizes, the light utilization rate is improved, the whole lamp box emits light uniformly, and the lamp box device is suitable for the lamp boxes with different sizes. To achieve the above objects and other advantages in accordance with the present invention, there is provided a light box device having a diverging lens, comprising:

The lamp box and the divergent mirror assembly are used for illuminating the lamp box and fixed in the lamp box;

the subassembly of dispersing the mirror including dispersing the mirror, with flange dish seat, the being fixed in of the bottom integral type intercommunication of dispersing the mirror first reflector seat on the bottom surface and being fixed in the flange dish seat second reflector seat on the first reflector seat, first reflector seat department installs the lamp source, the upper end position of second reflector seat in it is inside to disperse the mirror, and the second reflector seat is used for the light of reflector lamp source to on dispersing the internal surface of mirror, first reflector seat is used for the light of reflection light source to on the internal surface of flange dish seat, the flange dish seat is used for radiating the light of first reflector seat reflection department to the lamp house on, it is used for scattering the reflection of the light of second reflector seat on the lamp house to disperse the mirror.

Preferably, it is including dispersing the mirror body to disperse the mirror body, the shape that disperses the mirror body is the bowl form, just it is equipped with circular arc faceted pebble to disperse mirror body top surface department, the circular arc faceted pebble is followed it extends to disperse mirror body top surface diameter direction, and the length of circular arc faceted pebble is reduced to both sides by the intermediate part gradually.

Preferably, the second reflection seat includes a first opposite reflection surface and a second reflection surface adjacent to the first opposite reflection surface, and an upper end surface formed by the first opposite reflection surface and the second reflection surface is a concave reflection surface which is recessed inward.

Preferably, the first reflection seat includes a third opposite reflection surface and a fourth emission surface adjacent to the third opposite reflection surface, and a cross section of the third opposite reflection surface is a right-angled trapezoid.

Preferably, the flange dish seat reaches and is fixed in including fixed foot flange board on the fixed foot, being close to of flange board and dispersing the mirror one side and be first refracting surface, with a pair of second refracting surface that first refracting surface is adjacent to be set up and extend along vertical direction, with a pair of third refracting surface that second refracting surface is adjacent to be set up.

Preferably, the side surface of the circular arc prism surface of the diverging mirror refracts light rays at an angle of x °, and the angle of x is in a range of 30 ° to 60 °.

Preferably, the refraction angle of the light refracted by the arc surface of the end surface of the arc prism surface of the diverging mirror is Y °, and the Y ° range is 10 ° to 30 °.

Compared with the prior art, the invention has the beneficial effects that: through dispersing the mirror, second reflector seat and first reflector seat can adjust the route of the light of lamp source, the second reflector seat launches light in each refracting surface department of dispersing the mirror, make it can launch the light diffusion of light source to the lamp house to disperse the mirror, make each face of lamp house all have the shining of light, and reflect the light of light source on the refracting surface of flange dish seat through first reflector seat, so that the flange dish seat shines the light of light source in the bottom part of lamp house, avoid the bottom of lamp house to be in the dark, and should disperse on the lamp house screen that the mirror assembly can be applicable to not unidimensional, the utilization ratio of light has been improved, make whole lamp house luminous even.

Drawings

FIG. 1 is a schematic three-dimensional structure of a light box device with a divergent lens according to the invention;

fig. 2 is a half sectional view of a diverging mirror of a light box device having a diverging lens according to the present invention.

In the figure: 10. a light box; 20. a diverging mirror assembly; 21. a flange base; 22. a diverging mirror; 23. a second reflection seat; 24. a first reflection seat; 211. a first refractive surface; 212. a third refraction surface; 213. a second refraction surface; 2221. a divergent mirror body; 222. a circular arc edge surface; 231. a reflective concave surface; 232. a first opposing reflective surface; 233. a second reflective surface; 241. a third opposing reflective surface; 242. and a fourth emission surface.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1, a light box device having a diverging lens includes: a light box 10 and a diverging mirror assembly 20 for illuminating the light box 10 and secured inside the light box 10;

The divergent mirror assembly 20 includes a divergent mirror 22, a flange base 21 integrally communicated with the bottom end of the divergent mirror 22, a first reflector base 24 fixed on the bottom surface of the flange base 21 and a second reflector base 23 fixed on the first reflector base 24, wherein the first reflector base 24 is provided with a light source, the upper end of the second reflector base 23 is located inside the divergent mirror 22, the second reflector base 23 is used for reflecting the light of the light source to the inner surface of the divergent mirror 22, the first reflector base 24 is used for reflecting the light of the light source to the inner surface of the flange base 21, the flange base 21 is used for radiating the light reflected by the first reflector base 24 to the light box 10, and the divergent mirror 22 is used for scattering and reflecting the light reflected by the second reflector base 23 on the light box 10.

Further, the diverging mirror 22 includes a diverging mirror body 221, the diverging mirror body 221 is bowl-shaped, the top surface of the diverging mirror body 221 is provided with an arc-shaped edge surface 222, the arc-shaped edge surface 222 extends along the diameter direction of the top surface of the diverging mirror body 221, the length of the arc-shaped edge surface 222 gradually decreases from the middle portion to two sides, the second reflector 23 includes a first opposite reflecting surface 232 and a second reflecting surface 233 adjacent to the first opposite reflecting surface 232, the upper end surface formed by the first opposite reflecting surface 232 and the second reflecting surface 233 is a concave reflecting surface 231 which is recessed inward, the second reflector 23 mainly reflects the light of the light source on the diverging mirror body 221, so that the diverging mirror body 221 refracts the light of the light source around the light box 10, and the light around the light box 10 is irradiated by the light.

Further, the first reflector base 24 includes a third opposite reflection surface 241 and a fourth emission surface 242 adjacent to the third opposite reflection surface 241, and a cross section of the third opposite reflection surface 241 is a right-angled trapezoid.

Further, flange dish seat 21 reaches and is fixed in including fixed foot flange board on the fixed foot, flange board be close to and diverge mirror 22 one side and be first refracting surface 211, with a pair of second refracting surface 213 that first refracting surface 211 is adjacent to be set up and extend along vertical direction, with a pair of third refracting surface 212 that second refracting surface 213 is adjacent to be set up, the light refraction of the reflection light source of this flange dish seat 21 to the bottom position of lamp house 10 has compensatied the dark space part of lamp house 10 bottom.

Further, the angle of refraction for the side surface of the arc-shaped edge surface 222 of the diverging mirror 22 to refract light is x °, the range of x ° is 30 ° -60 °, the angle of refraction for the end surface of the arc-shaped edge surface 222 of the diverging mirror 22 to refract light is Y °, and the range of Y ° is 10 ° -30 °.

The working principle is as follows: when the light source irradiates, the light is firstly reflected to the side surface of the divergent mirror body 221 by the first opposite reflection surface 232, the second reflection surface 233 and the reflection concave surface 231 of the second reflection seat 23, the other part of the light is reflected to the circular arc edge surface 222 by the inner surface of the divergent mirror body 221, and is refracted out by the side surface and the circular arc surface of the circular arc edge surface 222, the light of the lamp source is further refracted out by the third opposite reflection surface 241 of the first reflection seat 24 and the third opposite reflection surface 241, the light is reflected to the first refraction surface 211, the second refraction surface 213 and the third refraction surface 212 of the flange seat 21,

The number of devices and the scale of the processes described herein are intended to simplify the description of the invention, and applications, modifications and variations of the invention will be apparent to those skilled in the art.

While embodiments of the invention have been described above, it is not limited to the applications set forth in the description and the embodiments, which are fully applicable in various fields of endeavor to which the invention pertains, and further modifications may readily be made by those skilled in the art, it being understood that the invention is not limited to the details shown and described herein without departing from the general concept defined by the appended claims and their equivalents.

Claims

1. A light box device having a diverging lens, comprising:

a light box (10) and a divergent mirror assembly (20) for illuminating the light box (10) and fixed inside the light box (10);

the divergent mirror assembly (20) comprises a divergent mirror (22), a flange plate seat (21) integrally communicated with the bottom end of the divergent mirror (22), a first reflection seat (24) fixed on the inner bottom surface of the flange plate seat (21) and a second reflection seat (23) fixed on the first reflection seat (24), the first reflection seat (24) is provided with a lamp source, the upper end part of the second reflection seat (23) is positioned in the divergent mirror (22), and a second reflector base (23) for reflecting the light of the lamp source onto the inner surface of the diverging mirror (22), the first reflecting seat (24) is used for reflecting light of the light source to the inner surface of the flange seat (21), the flange base (21) is used for radiating the light reflected by the first reflecting base (24) to the lamp box (10), the diverging mirror (22) is used for diverging and reflecting the light reflected by the second reflecting seat (23) on the lamp box (10);

The second reflecting seat (23) comprises a first opposite reflecting surface (232) and a second reflecting surface (233) which is adjacent to the first opposite reflecting surface (232), the upper end surface formed by the first opposite reflecting surface (232) and the second reflecting surface (233) is an inward-concave reflecting surface (231), the first reflecting seat (24) comprises a third opposite reflecting surface (241) and a fourth emitting surface (242) which is adjacent to the third opposite reflecting surface (241), and the cross section of the third opposite reflecting surface (241) is a right-angle trapezoid;

flange plate seat (21) reaches and is fixed in including fixed foot flange board on the fixed foot, the flange board be close to and diverge mirror (22) one side and be first refracting surface (211), with a pair of second refracting surface (213) that first refracting surface (211) are adjacent to be set up and extend along vertical direction, with a pair of third refracting surface (212) that second refracting surface (213) are adjacent to be set up.

2. A light box device with diverging lens as claimed in claim 1, wherein said diverging mirror (22) comprises a diverging mirror body (221), said diverging mirror body (221) is bowl-shaped, and a circular arc edge surface (222) is provided at the top surface of said diverging mirror body (221), said circular arc edge surface (222) extends along the diameter direction of the top surface of said diverging mirror body (221), the length of the circular arc edge surface (222) decreases from the middle part to the two sides.

3. A lightbank device with a diverging lens as claimed in claim 1 wherein the sides of the rounded prism face (222) of the diverging mirror (22) refract light at an angle of refraction x °, said x ° ranging from 30 ° to 60 °.

4. A light box device with diverging lens as claimed in claim 1, characterised in that the arc-shaped face of the end face of the circular arc-shaped prism face (222) of the diverging mirror (22) refracts the light rays out at an angle of refraction Y °, said Y ° ranging from 10 ° to 30 °.