CN102842270A - Non-self-luminous variable display device - Google Patents

Abstract

A non-self-luminous variable display device comprises a panel, and the display device also comprises a plurality of colored cubes, cube rotating mechanisms corresponding to the colored cubes one by one and a control system, wherein the colored cubes are regularly installed on the upper surface of the panel in a rotating way through the cube rotating mechanisms, a control input end of each cube rotating mechanism is connected with a control output end of the control system, and four side surfaces of each colored cubes are respectively coated with paint with different colors. Due to adopting the non-self-luminous variable display device, the electric power can be maximally saved, the carbon emission can be reduced, and the vision distance can be remarkably improved.

Description

A non-self-illuminating variable display device

technical field

The invention relates to the technical field of control, in particular to a variable information board.

Background technique

The variable display device can realize the dynamic display and release of information, and is widely used in the fields of roads, traffic, advertisements and the like. The variable information board is the most typical application of the variable display device, especially in the field of roads and traffic. It is usually installed on road crossings, bridges, tunnels, elevated roads, expressways and other facilities to establish eye-catching traffic guidance information boards. It is used to indicate information such as traffic conditions, road conditions and occasional events ahead of the driver.

At present, variable display devices represented by variable information boards and variable sign boards all use LED light-emitting devices as the basic display unit and have graphic and text display functions, which have been widely used in the field of information release. However, the variable display device using LED as the basic display unit consumes a lot of power and has a small viewing distance. Especially along the highway, a large number of variable information boards are installed and run around the clock, which consumes a lot of power, resulting in a large energy loss; in addition, the viewing distance of LED variable information boards decreases with the increase of ambient brightness . The main reason for the large energy loss caused by the current LED variable information board is that the corresponding LED light-emitting device operates continuously and uninterruptedly when displaying information content.

Contents of the invention

The purpose of the present invention is to provide a non-self-illuminating variable display device, which can save electric energy to the greatest extent, reduce carbon emissions, and significantly increase the viewing distance.

The object of the present invention is achieved through such a technical scheme, which includes a panel, and the display device also includes a plurality of colored squares, a square rotation mechanism and a control system corresponding to the colored squares one by one, and the colored squares pass through the square rotation mechanism. It can be rotatably and regularly installed on the upper surface of the panel, the control input end of the block rotation mechanism is connected with the control output end of the control system, and the four sides of the colored block are respectively coated with paints of different colors.

Further, the four sides of the colored square are respectively coated with retroreflective paints in four colors of red, yellow, green and black.

Further, the box rotation mechanism includes a micro-rotation drive device and a position sensor installed inside the color box, the micro-rotation drive device includes a rotary support for installing the color box on the panel and a micro-motor installed in the color box, The micro motor is fixed at the end of the rotating support, its power output end is connected with the colored square, the control input end of the micro motor is connected with the control output end of the control system, and the data output end of the position sensor is connected with the control system.

Further, the control system includes a microprocessor, a memory and a control interface, the dot matrix font library and system parameter information in the memory, the microprocessor analyzes and processes the information to be displayed, and finds out the corresponding display words in the memory. The control code is used to send the found control code to the block rotation mechanism through the control interface to control the rotation angle and direction of the colored block.

Further, according to the font size, the dot matrix font includes 16 dot matrix fonts, 24 dot matrix fonts and 32 dot matrix fonts; according to different fonts, the dot matrix fonts include regular script, official script, HeiTi and SongTi.

Further, the control system also includes a communication interface, through which the microprocessor sends the displayed information and the current state of the device to a remote PC, and the communication interface receives display commands or control commands sent by the remote PC.

Further, the display device also includes an LED projection lamp and a light intensity sensor installed on the panel. The light intensity sensor collects the light intensity of the panel and sends the collected data to the control system. Strong data control LED projection light switch.

Further, a transparent cover is installed on the panel.

Owing to adopting above-mentioned technical scheme, the present invention has following advantage:

The present invention only consumes electric energy when the information content is switched, but does not consume electric energy when displaying information, and the electric energy consumed only depends on the switching frequency of the information content, thereby significantly reducing the electric energy consumption. At the same time, the present invention has a good display effect at night or when the ambient light is low through the retroreflective coating and the LED projection lamp.

Other advantages, objects and features of the present invention will be set forth in the following description to some extent, and to some extent, will be obvious to those skilled in the art based on the investigation and research below, or can be obtained from It is taught in the practice of the present invention. The objects and other advantages of the invention will be realized and attained by the following description and claims.

Description of drawings

The accompanying drawings of the present invention are described as follows.

Fig. 1 is a structural schematic diagram of the present invention.

In the figure: 1. panel; 2. colored square; 3. control system; 4. rotating support; 5. LED projection light; 6. light intensity sensor; 8. transparent cover.

Detailed ways

The present invention will be further described below in conjunction with drawings and embodiments.

A non-self-illuminating variable display device, including a panel 1, the display device also includes a plurality of color squares 2, a square rotation mechanism corresponding to the color squares 2 and a control system 3, and the color squares 2 pass through the square The rotating mechanism is rotatable and regularly installed on the upper surface of the panel 1, the control input of the block rotating mechanism is connected to the control output of the control system 3, and the four sides of the colored blocks are coated with paints of different colors. The rotation angle of the colored square is 90 degrees.

According to the principle of dot matrix display, each color square 2 is used as a pixel in the dot matrix, and each color square 2 can display characters or images according to a certain logical combination according to the background color and display color. The logical combination of the background color and the display color is realized by rotating the colored square 2, and the rotation of the colored square 2 is realized by a square rotating mechanism. The rotation mode of the block rotating mechanism is controlled by the control system 3 . The invention has simple structure and principle, strong reliability, consumes electric energy only when information content is switched, and does not consume electric energy when displaying information, and consumes electric energy only depends on the switching frequency of information content, which significantly reduces electric energy consumption. At the same time, the present invention has a good display effect at night or when the ambient light is low through the retroreflective coating and the LED projection lamp.

The four sides of the colored square 2 are respectively coated with retroreflective paints in four colors of red, yellow, green and black. Certainly, the color of each side of the colored square can also be changed arbitrarily as required.

The box rotation mechanism includes a micro-rotation drive device and a position sensor installed inside the color box, the micro-rotation drive device includes a rotary support 4 for installing the color box on the panel and a micromotor installed in the color box 2, The micro-motor is fixed on the end of the rotating support 4, and its power output is connected to the colored square 2, the control input of the micro-motor is connected to the control output of the control system 3, and the data output of the position sensor is connected to the control system 3. After the micro-motor receives the control command, it rotates the colored squares 2 according to the command, so that each colored square 2 is presented at a specific angle. The position sensor transmits the actual angle and direction of the color cube rotation back to the control system, which is convenient for the control system to fine-tune the color cubes that are not rotated in place, and improves the reliability of the system.

The control system 3 includes a microprocessor, a memory and a control interface, a dot matrix font library and system parameter information in the memory, and the microprocessor analyzes and processes the information to be displayed to find out the corresponding control of the required display words in the memory Code, send the found control code to the block rotation mechanism through the control interface to control the rotation angle and direction of the colored block. The control system of the invention has a simple structure and is easy to implement.

According to the font size, the dot matrix fonts include 16 dot matrix fonts, 24 dot matrix fonts and 32 dot matrix fonts; according to different fonts, the dot matrix fonts include regular script, official script, HeiTi and SongTi. Of course, according to the needs, the required characters or images can also be added to the dot matrix font library.

The control system 3 also includes a communication interface, through which the microprocessor sends the displayed information and the current state of the device to the remote PC, and the communication interface receives the display command or control command sent by the remote PC, and the display command or Control commands are used to control the rotation of colored squares.

The display device also includes an LED projection lamp 5 and a light intensity sensor 6 both installed on the panel, the light intensity sensor 6 collects the light intensity of the panel 1, and sends the collected data to the control system 3, and the control system 3 according to the The received light intensity data controls the switch of the LED projection lamp 5 .

In order to keep the colored squares clean, maintain the display effect, and adapt to the outdoor application environment, a transparent cover 8 can be installed on the panel 1 .

Finally, it is noted that the above embodiments are only used to illustrate the technical solutions of the present invention without limitation. Although the present invention has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that the technical solutions of the present invention can be carried out Modifications or equivalent replacements, without departing from the spirit and scope of the technical solution, should be included in the scope of the claims of the present invention.

Claims (8)

1. A non-self-luminous variable display device, including a panel, characterized in that: the display device also includes a plurality of colored squares, a square rotation mechanism and a control system corresponding to the colored squares one by one, and the colored squares pass through The cube rotation mechanism is rotatable and regularly installed on the upper surface of the panel, the control input end of the cube rotation mechanism is connected with the control output end of the control system, and the four sides of the colored cube are respectively coated with paints of different colors. 2. A non-self-illuminating variable display device as claimed in claim 1, characterized in that: the four sides of the color square are respectively coated with retro-reflective paints in four colors: red, yellow, green and black. 3. A non-self-illuminating variable display device as claimed in claim 1, characterized in that: the block rotation mechanism includes a micro-rotation drive device and a position sensor installed inside the color cube, the micro-rotation drive device includes There is a rotating support with colored squares installed on the panel and a micromotor installed in the colored squares. The micromotor is fixed at the end of the rotating support, and its power output is connected to the colored squares. The control input of the micromotor is connected to the control The control output terminal of the system is connected, and the data output terminal of the position sensor is connected with the control system. 4. A non-self-illuminating variable display device as claimed in claim 1, wherein the control system includes a microprocessor, a memory and a control interface, the memory has a dot matrix font library and system parameter information, and the microprocessor The processor analyzes and processes the information to be displayed, finds out the corresponding control codes of the words to be displayed in the memory, sends the found control codes to the block rotation mechanism through the control interface, and controls the rotation angle and direction of the colored blocks. 5. A non-self-illuminating variable display device as claimed in claim 4, characterized in that: according to the font size, the dot matrix font includes a 16-dot matrix font, a 24-dot matrix font and a 32-dot matrix font; The fonts are different, and the dot matrix font library includes regular script, official script, HeiTi and SongTi. 6. A non-self-illuminating variable display device as claimed in claim 4, characterized in that: the control system also includes a communication interface, and the microprocessor transmits the displayed information and the current state of the device through the communication interface To the remote PC, the communication interface receives the display command or control command sent by the remote PC. 7. A non-self-illuminating variable display device as claimed in claim 1, characterized in that: said display device also includes an LED projection lamp and a light intensity sensor installed on the panel, and the light intensity sensor collects the panel The intensity of the light, and the collected data is sent to the control system, and the control system controls the switch of the LED projection light according to the received light intensity data. 8. A non-self-illuminating variable display device as claimed in claim 1, characterized in that: a transparent cover is installed on the panel.

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