KR0180641B1 - Information display system and display control system - Google Patents

Abstract

The present invention relates to an information display device and a display control method connected to a PLC output card of various panels in a factory or an output port of a control device to display information such as an operation state of a corresponding device through a three-color LED dot display module. The information display device includes a signal input unit 1 for receiving signals from panels and various devices, and a processor unit 4 for receiving signals from the signal input unit 1 to analyze signals and to control output signals. ), A display unit 5 receiving data from the processor unit 4 and displaying the data in Korean, English, Chinese characters, numerals, symbols, graphic patterns, etc., and the processor unit 4 and the display unit 5. It is characterized by consisting of a power supply unit 8 for supplying a current to the.

As a result, the display contents can be sufficiently recognized even at a long distance, the field operator can easily recognize the status information of various devices, and if necessary, the user can directly make the display screen and the display form program. There is effect that is convenient for use.

Description

Information display device and display control method (METHOD AND APPARATUS FOR INPORMATION DISPLAY)

The present invention is connected to the PLC (PROGRAMABLE LOGIC CONTROLLER) output card of the various panels (PANEL) in the factory, or the output port of the control device is connected to the three-color LED dot display module (LED DOT) information such as operation or failure status of the device The present invention relates to an information display apparatus and a display control method for displaying through a display module, and more particularly, to an information display apparatus and a display control method for operating a message desired by a user by a sequential execution program method.

In the conventional case, the status display method of various mechanical devices simply displays a lamp attached to the mechanical device or displays the status of the mechanical device in letters and pictures using a display device employing an LCD display.

However, the method of using a lamp requires mounting as many lamps as the number of display states when displaying a large amount of states, so it is easy to confuse the operation lamp with other lamps, making it difficult to recognize the state of the mechanical device. The amount of wiring work was large. In addition, the method of displaying the state of a certain machine using the LCD display can display the state of the machine in various characters and pictures, but the display surface is small and the viewing angle is narrow, so that the recognition range of the display content is about 2 m in front of the display. Is nothing. As a result, the failure information of the machine is not properly transmitted to the field workers in the actual site, and the production and modification procedures of the display message are professional and difficult, so that the user cannot directly create and modify the message, and furthermore, such an input device is not provided. not.

Accordingly, the present invention is to overcome the above-mentioned conventional problems, the object of the present invention is suitable for mounting on the panel and various devices, it is possible to fully recognize the contents of the display unit from a long distance, and the user can easily The present invention provides an information display apparatus and a display control method capable of producing an expression screen and programming an expression form.

As an example of an information display device for achieving the object of the present invention, a signal input unit for receiving a signal from the panel and various devices, a processor for receiving a signal from the signal input unit to analyze the signal and control the output signal And a display unit for receiving data from the processor unit and displaying data in Korean, English, Chinese characters, numbers, symbols, and graphic patterns, and a power supply unit for supplying current to the processor unit and the display unit. It is done.

As an example of the display control method for achieving the object of the present invention, determining whether there is a signal input from a parallel input port or a serial input port; Determining whether the parallel or serial signal input is a registered program; Read the input code and sequentially read the corresponding program to output the screen data to the LED dot driver.

With this configuration, as described above, the information display device and the display control method according to the present invention can sufficiently recognize the display contents even at a long distance by using the three-color LED dot mattress module of the display unit and having a large and bright brightness. The parallel input port is easy to use and versatile because it can receive 8-bit binary code of DC 24V signal by strobe method and scan method. The serial port has RS-232, RS-422, RS-485 built-in It is possible to operate the display unit, and the operator can easily recognize the status information of various devices by expressing the screen forms such as Korean, English, Chinese characters, numbers, symbols, and graphic patterns that can be displayed in three colors. It is easy to use because it can easily make the display screen and program the display form.

1 is a block diagram showing an information display apparatus according to the present invention;

2 is a block diagram showing a parallel input port according to the present invention

3 is a block diagram illustrating a serial input port according to the present invention

4 is a flowchart illustrating a display control method according to the present invention.

5 is a flowchart showing a presentation program of the display control method according to the present invention;

Figure 6 is a perspective view of a three-color LED dot mattress module according to the present invention

* Explanation of symbols for main parts of the drawings

1: signal input 2: parallel input port

3: serial signal port 4: processor

5: display unit 6: LED dot driver

7: three-color LED dot mattress module 8: power supply

10: output card 15: personal computer

20: LED 21: case

Hereinafter, embodiments of the present invention will be described in detail with reference to FIGS. 1 to 6.

Referring to FIG. 1, the LED dot mattress information display according to the present invention is a signal input unit 1 for receiving signals from panels and various devices, and a signal input from the signal input unit 1 to analyze signals. A processor unit for controlling the output signal, and a display unit for receiving data from the processor unit 4 and displaying the data in Korean, English, Chinese characters, numbers and symbols (SYMBOL), graphics (GRAPHIC), and the like. (5) and a power supply unit 8 for supplying current to the processor unit 4 and the display unit 5.

The signal input unit 1 includes a parallel input port 2 for receiving a parallel signal and a serial input port 3 for receiving a serial signal.

Referring to FIG. 2, the parallel input port 2 strobes a DC 24-volt 8-bit binary code signal output from an output card 10 of a PLC installed in various panels. Or it is transmitted in a scan (SCAN) method.

Referring to FIG. 3, the serial input port 3 receives serial signals output from the personal computer 15 into which a desired program is input in RS-232, RS-422, and RS-485 methods. In addition, it is possible to receive information from the output card 10 of the PLC installed in various panels through the serial input port (3).

The processor unit 4 controls the operation of the information display apparatus as follows.

Referring to FIG. 4, first, it is determined whether there is a signal input from the parallel input port 2 or the serial input port 3 (S101). If there is no signal input, it feeds back to the start step, and if there is a signal input, it is determined whether the parallel or serial signal input is a program that has already been registered through the personal computer (S102). Reads parallel or serial signal inputs and feeds back to the start step if there is no corresponding input code, and if there is an input code, reads the input code and reads the corresponding display program sequentially to output screen data to the LED dot driver 6 (S103).

In step S103, the method of reading the display program is as follows.

Presentation program Program number Order of display Figure number Display mode waiting time One One 12 Pushing down 0 sec wait 2 13 Push right 2 sec wait 3 19 Normal output 3 sec wait 4 12 Flashing output 8 sec standby 2 One 5 Push left 0 sec wait 2 6 Push right 2 sec wait 3 7 Undercover 2 sec wait 3 One One Normal output 5 seconds standby

As shown in Table 1, elements of a program include a program number (input code), a display order, a picture number, a display mode, and a waiting time.

First, the user makes a picture to be displayed in the three-color LED dot mattress module 7 and then inputs the expression program to the processor unit 4 through the personal computer.

The program number is determined as shown in Table 1 above (S201).

Program numbers can be selected from 1 to 255. For example, the "spring" failure may be determined as 1, the "motor failure" as 2, and the like among the parts of a predetermined machine to which the information display apparatus according to the present invention is connected.

Then, the display order is specified (S202). The display order can be specified from 1 to 8 times per program number. For example, "replacement wind" can be designated as 1, "emergency treatment" as 2, and so on.

Then, the number of the screen picture already produced is selected in the display order, and the display mode is set to select the display form of the selected picture (S203). The figure number can be selected from 1 to 200. There are 8 types of display modes as follows, and one of them is selected.

Display mode NO Name Action One Normal output The screen to be printed is displayed at once without movement 2 Flashing output Flashing screen to be printed 3 Push left The screen to be printed is printed by pushing the current screen to the left 4 Push right The screen to be printed is printed by pushing the current screen to the right 5 Pushing down The screen to be printed is printed by pushing down the current screen. 6 Push up The screen to be printed is printed by pushing the current screen up. 7 Undercover The screen to be printed is printed covering the current screen down. 8 Covering up The screen to be printed is printed covering the current screen.

Then select the waiting time (S204). Waiting time is the holding time of the still picture from the display of the current screen until the next picture is displayed. It can be set from 0 to 9 seconds in 1 second increments.

Then, it is determined whether the screen output execution is completed (S205). Here, if the screen output execution is completed, the process feeds back to step S101. If the screen output execution is not completed, the next display order is output by adding 1 to the current display order number (S206).

The display unit 5 receives the screen data from the processor unit 4 and operates an LED dot driver 6 to operate a required LED, and the LED dot driver 6 is a collection of LEDs operated by the LED dot driver 6 to operate the LED. By the three-color LED dot mattress module 7 in which picture data or character font data are displayed.

Referring to FIG. 5, the three-color LED dot mattress module 7 includes a high brightness LED 20 emitting three colors and a case 21 in which the LED 20 is embedded.

In fact, the field worker looks at the three-color LED dot mattress module 7 to determine the situation of the machine.

An operation of the information display device according to the present invention configured as described above will be described by way of example.

When a signal is input to the parallel input port 2, the parallel input port 2 transmits a signal to the processor unit 4, and the processor unit 4 registers a signal in which the signal of the parallel input port 2 is registered. Read the numbering. Here, if No. 1 is input as a "spring failure" among predetermined mechanical parts to which the information display apparatus according to the present invention is connected, program No. 1 is executed so that No. 12 of the display sequence No. 1 is a three-color LED dot mattress module (7). After the figure shown in) is pushed down, the figure 13 of the display sequence No. 2 is displayed without waiting time, and the figure no. 12 is pushed down the figure 13 and stopped for 2 seconds. Then, picture 19 of display order 3 is displayed at one time and stopped for 3 seconds, after which picture 12 of display order 4 flashes for 8 seconds. If the input is not changed after the completion of the program 1 according to the input as described above, the program 1 is repeated. If the program input code is changed during the program, the program corresponding to the input code is executed.

As described above, the LED dot mattress information indicator and the display control method according to the present invention can fully recognize the display contents even at a long distance by using the three-color LED dot mattress module of the display unit, and the parallel input port is DC 24 volts. It is easy to use and versatile because it can receive 8-bit binary code signal in strobe method and scan method. The serial port has built-in RS-232, RS-422 and RS-485 for operation of multiple indicators. By displaying three types of screens such as Korean, English, Chinese characters, numbers, symbols, and graphic patterns that can be displayed, the operator can easily recognize the status information of various devices, and the user can easily display the screen. It can be used to program and display expressions.

What has been described above is only one embodiment for implementing the information display apparatus and display control method according to the present invention, and the present invention is not limited to the above-described embodiment, but the present invention is claimed in the following claims. Various changes can be made by those skilled in the art without departing from the gist of the present invention.

Claims (3)

A signal input unit (1) comprising a parallel input port (2) for receiving parallel signals from panels and various devices, and a serial input port (3) for receiving serial signals, and a signal from the signal input unit (1). A processor unit 4 which receives input signals, analyzes signals, and controls output signals, an LED dot driver 6 which receives screen data from the processor unit 4, and operates a required LED; and the LED dot driver 6 A display unit 5 composed of a three-color LED dot mattress module 7 in which picture data or character font data are displayed by LED operation as a collection of LEDs to be operated in the LED), and the processor unit 4 and the display unit ( And a power supply unit (8) for supplying current to the device (5). Determining whether there is a signal input from the parallel input port 2 or the serial input port 3 (S101), determining whether the parallel or serial signal input is a registered program (S102), and the input code And (S103) outputting the screen data to the LED dot driver (6) by reading the corresponding program sequentially. The display mode according to claim 2, wherein the step S103 is a step of determining a program number (S201), a step of specifying a display order (S202), and a display mode for selecting a number of a screen picture and a display form of the selected picture. Setting (S203), selecting a waiting time (S204), determining whether the screen output execution is completed (S205), and adding 1 from the current display order number to output the next display order. (S206). The display control method characterized by the above-mentioned.