CN219437193U

CN219437193U - Transmission type ultra-high brightness uniform lamp box

Info

Publication number: CN219437193U
Application number: CN202223078874.8U
Authority: CN
Inventors: 张世伟
Original assignee: Weipu Optoelectronics Shanghai Co ltd
Current assignee: Weipu Optoelectronics Shanghai Co ltd
Priority date: 2022-11-21
Filing date: 2022-11-21
Publication date: 2023-07-28
Anticipated expiration: 2032-11-21

Abstract

The utility model discloses a transmission type ultra-high brightness uniform lamp box which comprises a shell front panel, a diffusion plate, a shading plate, a seam shading plate, an LED lamp plate, a radiator, a cooling fan, a light source shell, a circuit fixing plate and a shell back plate, wherein the LED lamp plate is fixed on the radiator, the front side of the LED lamp plate is a light source cavity, the light source cavity is composed of the seam shading plate, the shading plate and the diffusion plate which are sequentially arranged on the front side of the LED lamp plate, the shell front panel is arranged on the outer side of the diffusion plate, the upper side and the lower side of a light outlet of the shell front panel are respectively provided with a picture blocking strip, the LED lamp plate is positioned in the center of the light source shell, the cooling fan is arranged on the left side of the light source shell, and the circuit fixing plate and the shell back plate are sequentially arranged on the rear side of the radiator. The utility model has reasonable structural design and a stroboscopic module, and can meet the stroboscopic test requirement. The illumination range of the light-emitting surface is high, and the uniformity is high.

Description

Transmission type ultra-high brightness uniform lamp box

Technical Field

The utility model relates to a lamp box, in particular to a transmission type ultra-high brightness uniform lamp box.

Background

The transmission type ultra-high brightness uniform lamp box is specially developed for testing cameras or sensors, and the application comprises high dynamic range testing, stroboscopic testing, automatic exposure testing, halation correction, signal-to-noise ratio testing, spatial uniformity and the like. The light source comprises high quality LEDs and provides wavelength customized services. The professional deep dimming circuit realizes the brightness adjustment of 40000 level, and ensures complete no stroboscopic effect through linear constant current driving. The stroboscopic module realizes the frequency adjustment of 1-2000Hz and the duty ratio adjustment of 1-99%. The highest illumination range of the light-emitting surface is more than or equal to 100000lux. Excellent optical design ensures high uniformity of the light-emitting surface to 95% output. The software allows a user to preset the creation, storage and calling of the light source, supports the external measurement equipment to realize the rapid measurement and calibration of the light source, and the API function can be used for self calibration and integration of client software to meet the requirement of automatic test.

Other transmissive light boxes typically employ conventional light sources with limited number of brightness adjustment stages and are not linearly adjustable. In order to solve the defects of the traditional lamp box, the utility model designs a transmission type ultra-high brightness uniform lamp box.

Disclosure of Invention

Aiming at the defects in the prior art, the utility model aims to provide a transmission type ultra-high brightness uniform lamp box which is reasonable in structural design and provided with a stroboscopic module, and can meet the stroboscopic test requirement. The illumination range of the light-emitting surface is high, and the uniformity is high.

In order to achieve the above object, the present utility model is realized by the following technical scheme: the utility model provides a transmission type ultra-high brightness even lamp house, includes shell front panel, diffuser plate, light screen, shading board, LED lamp plate, radiator fan, light source shell, circuit fixed plate and shell backplate, and the LED lamp plate is fixed on the radiator, and the LED lamp plate front side is the light source cavity, the light source cavity for setting gradually shading board, light screen and the diffuser plate of LED lamp plate front side constitute, the diffuser plate outside is provided with the shell front panel, the light outlet upside of shell front panel all is provided with the picture card blend stop, the LED lamp plate is located light source shell central authorities, light source shell left side is provided with radiator fan, the rear side of radiator has set gradually circuit fixed plate and shell backplate.

Preferably, a liquid crystal screen is arranged on one side of the top of the light source shell, an acrylic window is arranged on the outer side of the liquid crystal screen, and a dimming button is arranged on one side of the liquid crystal screen; the right side of the light source shell is provided with a serial port, a light source switch and a power socket, and a handle is further arranged in the middle of the top of the light source shell.

Preferably, the circuit fixing board is provided with a switching power supply, a driving circuit board and a control circuit board, and the control circuit board is provided with a stroboscopic module.

Preferably, the light shielding plate is composed of 4L-shaped baffles.

Preferably, the right side of the light source housing is provided with a strip-shaped vent hole.

The utility model has the beneficial effects that: the utility model has reasonable structural design and a stroboscopic module, and can meet the stroboscopic test requirement. The illumination range of the light-emitting surface is high, and the uniformity is high.

Drawings

The utility model is described in detail below with reference to the drawings and the detailed description;

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is an exploded view of the present utility model;

fig. 3 is an exploded view of another angle of the present utility model.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

Referring to fig. 1-3, the present embodiment adopts the following technical scheme: the utility model provides a transmission type ultra-high brightness even lamp house, includes shell front panel 1, diffuser plate 2, light screen 3, shading board 4, LED lamp plate 5, radiator 6, radiator fan 7, light source shell 8, circuit fixed plate 9 and shell backplate 10, LED lamp plate 5 is fixed on radiator 6, and LED lamp plate 5 front side is the light source cavity, the light source cavity constitute for setting gradually shading board 4, light screen 3 and the diffuser plate 2 at LED lamp plate 5 front side, diffuser plate 2 outside is provided with shell front panel 1, all is provided with the picture card blend stop 11 on the light outlet upside of shell front panel 1, LED lamp plate 5 is located light source shell 8 central authorities, light source shell 8 left side is provided with radiator fan 7, the rear side of radiator 6 has set gradually circuit fixed plate 9 and shell backplate 10.

It is noted that a liquid crystal screen 12 is arranged at one side of the top of the light source shell 8, an acrylic window 13 is arranged at the outer side of the liquid crystal screen 12, and a dimming button 14 is arranged at one side of the liquid crystal screen 12; the right side of the light source shell 8 is provided with a serial port 15, a light source switch 16 and a power socket 17, and the middle of the top of the light source shell 8 is also provided with a handle 18.

It should be noted that the circuit fixing board 9 is provided with a switching power supply 19, a driving circuit board 20 and a control circuit board 21, and the control circuit board 21 is provided with a strobe module.

In addition, the bottom of the light source housing 8 is also provided with a foot pad 22.

The transmission type ultra-high brightness uniform lamp box main structure of the specific embodiment comprises: the light source emergent surface (arranged in the middle of the front panel 1 of the shell), the light mixing cavity structure, the LED light source, the radiator, the circuit part, other components and parts and the like; the front surface of the light source is an optical diffusion plate which is arranged on the front panel of the shell; the luminous area LED lamp plate of lamp house is located the central authorities of box, and the LED lamp plate is fixed on the radiator, constitutes the light mixing cavity of light source jointly with diffuser plate, light screen, LED lamp plate, seam board. The light shielding plate 3 consists of 4L-shaped baffles, and has the function of converging the light source to improve the brightness of the light source; meanwhile, through a certain optical design, the uniformity of the light emitting surface of the light source is improved. The right side of the light source shell 8 is provided with a strip-shaped vent hole, and an air path formed by the strip-shaped vent hole and the cooling fan is used for effectively cooling the light source.

The structural design of this concrete embodiment is reasonable, has stroboscopic module, can satisfy stroboscopic test demand. The illumination range of the light-emitting surface is high, and the uniformity is high.

The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a transmission type ultra-high brightness even lamp house, its characterized in that, including shell front panel (1), diffuser plate (2), light screen (3), shielding seam board (4), LED lamp plate (5), radiator (6), radiator fan (7), light source shell (8), circuit fixed plate (9) and shell backplate (10), LED lamp plate (5) are fixed on radiator (6), LED lamp plate (5) front side is the light source cavity, the light source cavity for set gradually in shielding seam board (4), light screen (3) and diffuser plate (2) of LED lamp plate (5) front side constitute, the diffuser plate (2) outside has been provided with shell front panel (1), the light outlet upside of shell front panel (1) all is provided with picture card blend stop (11), LED lamp plate (5) are located light source shell (8) central authorities, light source shell (8) left side is provided with radiator fan (7), the rear side of radiator (6) has set gradually circuit fixed plate (9) and shell backplate (10).

2. The transmission type ultra-high brightness uniform lamp box according to claim 1, wherein a liquid crystal screen (12) is arranged at one side of the top of the light source housing (8), an acrylic window (13) is arranged at the outer side of the liquid crystal screen (12), and a dimming button (14) is arranged at one side of the liquid crystal screen (12); the right side of the light source shell (8) is provided with a serial port (15), a light source switch (16) and a power socket (17), and a handle (18) is further arranged in the middle of the top of the light source shell (8).

3. The transmission type ultra-high brightness uniform lamp box according to claim 1, wherein the circuit fixing board (9) is provided with a switching power supply (19), a driving circuit board (20) and a control circuit board (21), and the control circuit board (21) is provided with a stroboscopic module.

4. The transmissive ultra-high brightness uniform lamp box according to claim 1, wherein the light shielding plate (3) is composed of 4L-shaped baffles.

5. The transmissive ultra-high brightness uniform lamp box according to claim 1, wherein the right side of the light source housing (8) is provided with a strip-shaped vent hole.

6. A transmissive ultra-high brightness uniform lamp box according to claim 1, characterized in that the bottom of said light source housing (8) is further provided with a foot pad (22).