KR20030048888A - Remote Control System and Method for Displaying Abnormality of The Same - Google Patents

Abstract

PURPOSE: A remote control system and an abnormal state display method are provided to enable one PC to control plural image displays located at remote places, and to receive abnormal states of the image displays. CONSTITUTION: Each image display senses abnormal states of a power supplier and a drive circuit(S10-S12). In a case that there occurs an abnormal state at a power supply circuit or a drive circuit, the image display turns off a power and at the same time transmits the abnormal state data to the PC(S13). The PC receives the abnormal state data from the image display(S20), displays the set number and the detailed abnormal state contents of the image display on a monitor and outputs alarm sounds via a speaker(S22).

Description

Remote Control System and Method for Displaying Abnormality of The Same}

The present invention relates to a remote control system, and more particularly, to a remote control system and a display method therefor.

Recently, the use of various video display devices is increasing as information information boards in public places such as large stores, airports, and station waiting rooms.

In this case, a remote control system configured by connecting a plurality of video display devices to a single personal computer is used by controlling the plurality of video display devices through the PC. Each of the video display devices has a function of detecting an internal abnormality.

Such a self-diagnostic image display device will be described below.

As shown in FIG. 1, the image display apparatus according to the related art receives the AC power from the outside and supplies a power source 1 for supplying driving power for the peripheral circuit, and a display for implementing the image signal input from the outside. Detects an abnormal state of the unit 6, the driving circuit unit 2, the power supply unit 1 and the driving circuit unit 2, turns off the power of the image display device according to the detected abnormal state, and detects the abnormal state. A microcomputer 4 for controlling display of a state, a memory unit 5 for storing an abnormal state of the power supply unit 1 or the driving circuit unit 2 sensed by the microcomputer 4, and the abnormal state. It includes a signal processor (3) for processing in the form of an OSD (On Screen Display) to be displayed on the display unit (6).

In this case, the driving circuit unit 2 drives a cooling fan (not shown) for cooling the display unit 6 and the display unit 6.

Referring to the operation of the image display device configured as described above, first, the power supply unit 1 receives AC (AC) 110V or 220V power from the outside, and DC (DC) 5V or 12V required for a peripheral circuit such as an integrated circuit (IC). Supply power. The power supply unit 1 transmits the logic signal to the microcomputer 4 when an abnormality of the AC power supplied from the outside or an abnormality of the power supplied to the peripheral circuit occurs.

For example, when an abnormality of the AC power or an abnormality in power supplied to a peripheral circuit occurs, a low logic signal is transmitted, and when there is no error, a high logic signal is transmitted.

In addition, the driving circuit unit 2 drives the display unit 6 and drives a cooling fan to cool the display unit 6 when the display unit 6 is a plasma display panel (PDP).

In this case, the driving circuit unit 2 transmits a corresponding logic signal to the microcomputer 4 when an abnormality in driving of the display unit 6 and driving of the cooling fan occurs.

In addition, the microcomputer 4 receives the logic signal from the power supply unit 1 or the driving circuit unit 2 to determine an abnormal occurrence of the power supply unit 1 and the driving circuit unit 2 according to the input logic signal. When an error occurs, the abnormal state information is stored in the memory unit 5 and a control signal is output to the power supply unit 1 to turn off the system of the image display apparatus.

After that, when the system of the image display device is normally restored and an on signal is input, the microcomputer 4 reads the abnormal state stored in the memory unit 5 and displays the read abnormal state. The signal processor 3 processes and displays the OSD in the form of an OSD.

The remote control system having a plurality of image display apparatuses having the above functions has the following problems.

First, since each image display device detects an abnormal state by itself and displays the detected abnormal state, an image is displayed on a PC controlling the plurality of image display apparatuses until the respective image display apparatuses directly display the abnormal state. The abnormal state of the device cannot be recognized.

Second, since the power of the video display device in which the abnormal state is detected is automatically turned off, the cause of the video display device may not be known until the system of the video display device is restored and the power is turned on.

The present invention has been made to solve the problems according to the prior art as described above, an object of the present invention is to remotely control the abnormal state of each video display device in a remote control system for controlling a plurality of video display devices with one PC The present invention provides a remote control system and a method of displaying more than that by transmitting to a PC so that all video display devices can be monitored.

1 is a block diagram showing the configuration of a video display device according to the prior art;

Figure 2 is a block diagram showing the configuration of a remote control system according to the present invention

3 is a block diagram showing the configuration of a video display device according to the present invention;

4 is a flowchart illustrating a method of displaying an abnormality in a remote control system according to the present invention.

5 is a diagram illustrating a data configuration of abnormal state information according to the present invention.

Explanation of symbols for main parts of the drawings

10: N video display devices 11: power supply

12: drive circuit section 13: signal processing section

14: Micom 15: Interface

16: display unit

20: PC 21: Monitor

22: speaker

Remote control system according to the present invention for achieving the above object is a plurality of video display devices for detecting the abnormal state of each inside and outputs the detected abnormal state information, each of the plurality of video display equipment It includes a PC (Personal Computer) that controls the operation of the image display device and receives the abnormal state information output from each of the image display device to display the received abnormal state information or to generate a warning sound. have.

In addition, the above display method of the remote control system according to the present invention for achieving the above object in the remote control system for controlling a plurality of video display devices through a single PC, the abnormal state inside each video display device Detecting; Transmitting the detected abnormal state information to the PC when an abnormal state is detected inside the image display device; In addition, when the abnormal state information is received from the video display device, the method includes displaying the received abnormal state information or generating a warning sound.

Hereinafter, a remote control system and a display method thereof according to the present invention will be described with reference to the accompanying drawings.

2 is a view showing the configuration of a remote control system according to the present invention, the remote control system according to the present invention with reference to the following.

As shown, the remote control system according to the present invention is connected to a plurality of image display device 10, the plurality of image display device 10 for outputting the detected abnormal state information by detecting the abnormal state of each inside The PC 20 controls the operation of each of the image display apparatuses 10 and receives the abnormal state information output from each of the image display apparatuses 10 to display the received abnormal state information or to generate a warning sound. It is configured to include.

The remote control system according to the present invention is characterized in that a plurality of image display devices 10 are connected to one PC 20 to perform continuous monitoring as well as control of each image display device through the PC 20.

Here, as shown in FIG. 3, the image display device 10 is supplied with AC power from the outside to supply driving power for peripheral circuits, and to drive the peripheral circuits. The circuit part 12, the microcomputer 14 that controls the overall system and detects an abnormal state of the power supply part 11 and the driving circuit part 12, the power supply part 11 and the driving circuit part detected by the micom 14 ( And an interface 15 connected to the PC 20 to transmit the abnormal state information of 12) to the PC 20.

Referring to the operation of the remote control system according to the present invention configured as described above, first, each image display device 10 detects an abnormal state of the internal power supply unit 11 and the driving circuit unit 12 by itself.

In detail, the power supply unit 11 transmits a corresponding logic signal to the microcomputer 14 when an abnormality of the AC power supplied from the outside and the power supplied to the peripheral circuit occurs. Likewise, the driving circuit unit 12 is the display unit. When a driving abnormality of the drive of 16 and a cooling fan (not shown) occurs, the corresponding logic signal is transmitted.

In other words, the abnormal state may be an abnormality of the AC power supplied from the outside, an abnormality of power supplied to the peripheral circuit by receiving the AC power, an abnormality of the driving circuit unit 12, and the like.

In addition, the microcomputer 14 receives a logic signal from the power supply unit 11 and the driving circuit unit 12 to determine an abnormal occurrence of the power supply unit 11 and the driving circuit unit 12 according to the input logic signal. When the generation occurs, the power supply unit 11 is controlled to turn off the image display device system, and at the same time, the set number of the image display device that is abnormal and the error code number according to the abnormal state are transmitted to the PC 20.

When the PC 20 receives the set number and the error code number from the image display device 10, the corresponding image is displayed according to the received set number and error code number through the monitor 21 connected to the PC 20. Display the number and the abnormal state of the device or control to generate a warning sound through the speaker (22).

The abnormality display method of the remote control system according to the present invention operating as described above is as follows.

According to the present invention, a plurality of image display devices 10, that is, each image display device itself detects an abnormal state and monitors the same through the PC 20.

As shown in FIG. 4, first, each of the image display apparatuses 10 detects an abnormal state of the power supply unit 11 and the driving circuit unit 12 by itself (S10 to S12).

That is, it is determined whether an abnormality is caused by an abnormality of the AC power input from the outside, an abnormality of the power supplied to the peripheral circuit, an abnormality in driving the cooling fan, and the like.

As a result of the determination (S10, S11 or S12), if the inside of the system of the image display device 10 is normal, the process returns to step S10 to determine whether the inside of the system of the image display device 10 is abnormal at a predetermined time period.

On the other hand, the determination result (S10, S11 or S12), an abnormal state occurs in the image display device 10, that is, the abnormality of the AC power supply, the abnormality of the power supplied to the peripheral circuit or the driving circuit unit 12 When an abnormal state is generated, the internal power is controlled to turn off the system power, and the corresponding abnormal state information is transmitted to the PC 10 in a predetermined data form (S13).

In this case, the abnormal state information corresponds to the set number and the detected abnormal state of the image display device 10 that loads the start / end code before and after the data and detects the abnormal state therebetween, as shown in FIG. 5. Load the code number.

Subsequently, the PC 20 determines whether the abnormal state information is received from one or more image display devices of the plurality of image display devices 10 (S20), and the determination result (S20) is determined from the image display device. When the abnormal state information is received, the set number and the detailed abnormal state of the image display device 10 which is abnormally generated according to the received abnormal state information are displayed through the monitor 21 connected to the PC 20 (S21). A warning sound is generated through the speaker 22 (S22).

On the other hand, if the abnormal state information is not received from the determination result (S20), the image display device 10 continuously monitors the reception of the abnormal state information.

Therefore, the PC 20 controlling the plurality of image display devices 10 monitors the abnormal state of all the image display devices 10.

In the remote control system and the abnormal display method according to the present invention described above, a plurality of video display devices are detected through a PC by detecting a system abnormal state in each of a plurality of video display devices and transmitting the detected abnormal state to a remote control PC. By continuously monitoring, it is possible to easily identify the abnormal state and the cause of each video display device, thereby improving the reliability of the product.

Those skilled in the art will appreciate that various changes and modifications can be made without departing from the spirit of the present invention.

Therefore, the technical scope of the present invention should not be limited to the contents described in the embodiments, but should be defined by the claims.

Claims (4)

A plurality of video display device for detecting the abnormal state of each inside to output the detected abnormal state information, A PC connected to the plurality of image display devices to control the operation of each of the image display devices and to receive the abnormal state information output from each of the image display devices to display the received abnormal state information or to generate a warning sound; Personal Computer), including a remote control system characterized in that configured. The method of claim 1, The video display device A power supply unit for supplying driving power to peripheral circuits by receiving AC power from the outside; A driving circuit unit for driving the peripheral circuit; A microcomputer that controls the overall system and detects an abnormal state of the power supply unit and the driving circuit unit; And an interface connected to the PC for transmitting abnormal state information detected by the microcomputer to the PC. In the remote control system for controlling a plurality of video display devices through a single PC, Detecting an abnormal state inside each image display device; Transmitting the detected abnormal state information to the PC when an abnormal state is detected inside the image display device; And, And displaying the received abnormal state information or generating a warning sound when the abnormal state information is received from the video display device. The method of claim 3, wherein The internal abnormality of the video display device An abnormality display method of a remote control system, characterized in that the abnormality of the AC power applied from the outside, the abnormality of the driving power applied to the peripheral circuit or the abnormality of the driving circuit.