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A led light box for easy replacement of canvas

An LED light box, easy-to-replace technology, applied to illuminated signs, display devices, instruments, etc., can solve the problems of difficult disassembly of the canvas, easy wrinkles on the surface of the canvas, difficulty in grasping the tension of the canvas, etc., to improve the service life, The effect of avoiding tooth loss and avoiding wrinkles

Active Publication Date: 2021-12-07
RISHANG OPTOELECTRONICS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But existing canvas type advertising light box is difficult to grasp the tension force of canvas when installing large-format canvas, and after installation is finished, the surface of canvas is prone to wrinkles, which affects the overall appearance of advertising light box; it is also very difficult to remove after canvas is fixed, which is The maintenance of the lamps inside the light box and the replacement of the canvas have caused a lot of inconvenience, which has increased the operation and maintenance costs of the advertising light box

Method used

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  • A led light box for easy replacement of canvas
  • A led light box for easy replacement of canvas
  • A led light box for easy replacement of canvas

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Embodiment Construction

[0023] In order to enable those skilled in the art to better understand the solutions of the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present invention.

[0024] Such as Figure 1-10 As shown, a kind of LED light box that is convenient to replace the canvas includes a mounting bracket 1 of a frame structure, a box body 2 located on the mounting bracket, a reflector 3 arranged in the box, an LED light 4 fixedly arranged on the reflector, and The pipeline 5 for cold and heat exchange, the cl...

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Abstract

The invention discloses an LED light box for convenient replacement of canvas, which comprises a frame structure mounting frame, a box body located on the mounting frame, a reflective plate arranged in the box body, an LED lamp fixedly mounted on the reflective plate, and a cooling and heating lamp box. Exchanging pipes, a cloth changing device for changing canvases, the cloth changing device includes a material unwinding assembly, a cloth clamping assembly, a lifting assembly for lifting and lowering the cloth clamping assembly, and a driving assembly for driving the clamping assembly. The invention can automatically replace the canvas, avoids wrinkles during the replacement process of the canvas, and improves the service life of the LED lamp at the same time.

Description

technical field [0001] The invention relates to the field of lighting equipment, in particular to an LED light box which is convenient for replacing canvas. Background technique [0002] In modern life, with the continuous prosperity of the economy and business, more and more advertising light boxes appear in the streets and alleys, and there are more and more types of advertising light boxes. Canvas advertising light boxes are characterized by high picture precision and good color reproduction. , The quality and its stability are somewhat favored by merchants. However, it is difficult for the existing canvas-type advertising light box to grasp the tension of the canvas when installing a large-format canvas. After the installation is completed, the surface of the canvas is prone to wrinkles, which affects the overall appearance of the advertising light box; it is also very difficult to disassemble after the canvas is fixed. The maintenance of the lamps inside the light box ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G09F13/04G09F13/14
CPCG09F13/0413G09F13/14G09F2013/147
Inventor 翁小佩李耀
Owner RISHANG OPTOELECTRONICS