JP2013186900A - Facility device monitoring system and method - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a facility device monitoring system and method which can prevent a reduction in the operation rate by quickly recognizing the presence/absence of an abnormality.SOLUTION: A facility device monitoring system of the present invention includes: a display unit 130; an audio output unit 140; a plurality of facility devices 110 provided with a tower lamp that displays an operation state; and a monitoring device that transmits and receives signals that indicate the operation state of each of the plurality of facility devices by using a PLC (Programmable-Logic Controller) module 123. The PLC module includes a control program by which the operation state of each of the plurality of facility devices is monitored on the basis of the transmitted and received signals, and the result of monitoring is output via at least one of the display unit and audio output unit.

Description

  The present invention relates to an equipment monitoring system and method that enables an operator to efficiently monitor a plurality of equipment to increase the operating rate of the entire production line and reduce production costs.

  In a production line equipped with multiple equipment and operating them at the same time, it is possible to grasp the operating status of each equipment and quickly detect and maintain, repair and repair the machine when an abnormality occurs. It is important to keep the production line availability as high as possible. For this reason, usually, a plurality of equipment devices are provided with a tower lamp that can confirm the operating state of each equipment device externally. The tower lamp operates a lamp having a different color depending on whether there is an abnormality in the equipment and informs the outside of the operating status of the equipment.

  The status of multiple equipment that is output by the tower lamp is usually monitored by an operator working on the production line, and if the operator determines that an abnormality has occurred in the operating status of the specific equipment through the tower lamp Inspect, maintain, and repair the equipment to maintain the overall production line operating rate above a certain level. However, the state of a plurality of equipment devices output through the tower lamp has a problem that it is difficult for an operator to monitor efficiently when too many equipment devices are arranged in one production line.

  In order to solve such problems, an audio output unit is provided in each equipment device separately from the tower lamp, and the operator is notified by voice of the presence or absence of abnormality, or the number of equipment devices that one worker should monitor. A method such as limiting the number to a certain number or less has been proposed. However, there is a problem that it is difficult for an operator to monitor equipment equipment through an audio output unit in a production line where noise is generated. There was a problem that the maintenance cost of a typical production line was too high.

  Of the following prior art documents, Patent Document 1 relates to a comprehensive stop margin monitoring method and apparatus for industrial plant equipment, and assigns a stop set value according to the required amount of power, thereby calculating the stop margin, It discloses the efficient management of equipment operation. Patent Document 2 relates to a semiconductor manufacturing apparatus monitoring system, which uses a workstation to detect the operation state from a central processing unit in a plurality of semiconductor manufacturing apparatuses and outputs the detected operation state to the outside through a monitor or the like. It is characterized by that.

Korea Registered Patent Gazette KR10-0898077-0000 Korean Published Patent Publication KR10-2003-0056807

  The present invention is for compensating for the above-mentioned problems of the prior art, collecting tower lamp driving signals indicating the operating states of a plurality of equipment using a PLC module, and displaying the collected operating states. Equipment monitoring that enables the operator to efficiently monitor the operating status of each of the plurality of equipment devices and quickly recognize the presence or absence of abnormalities and prevent a reduction in the operating rate Systems and methods are provided.

  According to a first technical aspect of the present invention, a plurality of equipment devices including a display unit, an audio output unit, a tower lamp for displaying an operating state, and a PLC (Programmable Logic Controller) module are used to provide A monitoring device that transmits and receives a signal indicating the operating state of each equipment device, and the PLC module monitors the operating status of each of the plurality of equipment devices based on the transmitted and received signals, and results of the monitoring A facility apparatus monitoring system including a control program for outputting the information via at least one of the display unit and the audio output unit is proposed.

In addition, the equipment apparatus monitoring system including at least one of the carbon dioxide (CO ₂ ) drill equipment and the automatic optical inspection equipment is proposed.

  In addition, the tower lamp proposes a facility device monitoring system that displays the operating states of the plurality of facility devices through a plurality of light emitting units that output different colors.

  In addition, the PLC module is connected to a tower lamp interface circuit that displays an operating state of each of the plurality of equipment devices, and proposes an equipment device monitoring system that receives a drive signal for operating the tower lamp.

  In addition, when it is determined that at least a part of the operating state of the plurality of equipment devices has deviated from a preset normal range, the monitoring device passes through at least one of the display unit and the audio output unit. We propose an equipment monitoring system that outputs information on equipment that is out of the normal range.

  On the other hand, according to the second technical aspect of the present invention, the step of receiving a signal indicating the operating state of each of the plurality of equipment devices through the PLC module, and using each of the plurality of signals by the control program of the PLC module, The step of determining whether or not the operating state of each of the plurality of equipment devices is included within a preset normal range, and when the equipment device out of the operating state from the normal range is detected, the detection is performed. Proposed is an equipment monitoring method for outputting information on equipment to at least one of a screen and sound.

  Also, in the receiving step, a facility device monitoring method is proposed in which a driving signal for operating the tower lamp is received through the PLC module connected to a tower lamp driving circuit that displays an operating state of each of the plurality of facility devices. To do.

In addition, the facility apparatus monitoring method includes at least one of the carbon dioxide (CO ₂ ) drill equipment and the automatic optical inspection equipment.

  According to the present invention, in a plurality of equipment devices that output an operation state through a tower lamp, the operation signal of each equipment device can be easily monitored by collecting the tower lamp drive signals of each equipment device using a PLC module. can do. Therefore, it is possible to provide a system capable of efficiently monitoring a plurality of equipment without adding a large cost, and to achieve effects such as prevention of production line operation rate reduction and cost reduction by construction of a monitoring system.

It is a figure which shows the equipment monitoring system by embodiment of this invention. 3 is a flowchart provided to explain a facility device monitoring method according to an embodiment of the present invention; It is a figure provided in order to demonstrate the effect of the equipment monitoring system by the embodiment of the present invention.

  Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings. However, the embodiments of the present invention can be modified in various other forms, and the scope of the present invention is not limited to the embodiments described below. In addition, the embodiments of the present invention are provided to more fully explain the present invention to those skilled in the art. The shape and size of elements in the drawings may be exaggerated for a clearer description.

  FIG. 1 is a diagram showing an equipment monitoring system according to an embodiment of the present invention.

Referring to FIG. 1, the facility apparatus monitoring system according to the present embodiment is an operation state of each of a monitoring apparatus 120 connected to a plurality of facility apparatuses 110 and a plurality of facility apparatuses 110 generated by the control unit 125 of the monitoring apparatus 120. May include a display unit 130 that outputs audio, an audio output unit 140, and the like. The plurality of equipment devices 110 may include a carbon dioxide (CO ₂ ) drill equipment, an automatic optical inspection equipment, and the like.

  The monitoring device 120 includes a PLC (Programmable Logic Controller) module 123 and a control unit 125. The PLC module 123 is connected to the plurality of facility devices 110 and detects the operating state of each of the plurality of facility devices. The PLC module 123 can receive a driving signal for driving a tower lamp indicating the operating state of the plurality of equipment devices 110 and detect the operating state of each of the equipment devices 110. For example, the PLC module 123 is stored in the PLC module 123. The operating device of each equipment device 110 may be detected by the control program.

  For example, the plurality of equipment devices 110 may be provided with at least one tower lamp that outputs an operating state, and the tower lamp changes the operating state of each equipment device 110 into three states: a normal operating state, a standby state, and an abnormal state. Can be displayed separately. At this time, the tower lamp can output light of three hues in order to display the normal operation state, the standby state, and the abnormal state separately. In the following, for convenience of explanation, it is assumed that the normal operation state is displayed in green, the standby state is displayed in yellow, and the abnormal state is displayed in red.

  Meanwhile, the plurality of equipment devices 110 may include an interface circuit that controls the operating state to be displayed through the tower lamp, and the PLC module 123 may be connected to an interface circuit that controls the operation of the tower lamp. When the PLC module 123 is connected to an interface circuit that controls the operation of the tower lamp and recognizes a signal output through the tower lamp, the control program of the PLC module 123 determines the operating state of each equipment unit 110 from the signal output through the tower lamp. It is determined whether or not is normal. Although FIG. 1 shows a configuration in which a total of nine equipment devices 110 are provided, the present invention is not necessarily limited to this. Here, it is assumed that an abnormality has occurred in the second, sixth, seventh, and eighth equipment devices 110.

  When some of the equipment devices 110 enter a standby state or an abnormal state, the tower lamp provided in the equipment device 110 is controlled to output yellow or red light that is not green. The color of light output from the tower lamp is determined by an interface circuit that controls the operation of the tower lamp. The PLC module 123 is electrically connected to the interface circuit and receives an operation control signal of the tower lamp output from the interface circuit. . The control unit 125 can detect the operating state of each of the first to ninth equipment devices 110 using the tower lamp operation control signal received by the PLC module 123. In FIG. 1, the control unit 125 detects that the operation state of the second, sixth, seventh, and eighth equipment devices 110 is an abnormal state.

  The control unit 125 controls the display unit 130 and the audio output unit 140 so that the detection result of the operation state of each equipment device 110 is output through the display unit 130 and the audio output unit 140. When an abnormality occurs in some of the plurality of equipment devices 110, the audio output unit 140 can output a warning sound or the like to attract the attention of an operator who monitors the equipment device 110. The display unit 130 displays a layout (Layout) of a production line in which a plurality of equipment devices 110 are arranged, and displays the equipment devices 110 that have become abnormal. The monitoring operator can check the operating state of each equipment device 110 output from the display unit 130, and can quickly check the equipment device 110 that has become abnormal and take measures such as maintenance and repair.

  In the present embodiment, it is assumed that the operation state detection result detected by the control program of the PLC module 123 by the separate control unit 125 is output to the display unit 130 and the audio output unit 140. That is, the control unit 125 can be provided only for the purpose of controlling the operations of the display unit 130 and the audio output unit 140 regardless of the monitoring operation of each of the plurality of equipment devices 110.

  FIG. 2 is a flowchart provided to explain a facility device monitoring method according to an embodiment of the present invention.

  Referring to FIG. 2, the facility device monitoring method according to the present embodiment first detects the operating states of the plurality of facility devices 110 through the PLC module 123 (S20). As described above, the PLC module 123 can be connected to the interface circuit that operates the tower lamp of each equipment device 110, and the controller 125 uses the tower lamp operation control signal received by the PLC module 123. The operating state of the equipment device 110 can be detected.

  When the operating state of each of the plurality of equipment devices 110 is detected, the control unit 125 determines whether the operating states of all the equipment devices 110 are normal (S22). In the step of determining whether the operating state is normal, the control unit 125 can use a tower lamp operation control signal received by the PLC module 123 from the tower lamp interface circuit of each equipment device 110. That is, when a signal for controlling the green light to be output from the tower lamp is received, it is determined that the corresponding equipment device 110 is in a normal operation state, and the signal for controlling the red light to be output from the tower lamp. , It can be determined that the corresponding equipment device 110 is in an abnormal state.

  As a result of the determination in step S22, when it is determined that there is a facility device 110 whose operation state is not normal among the facility devices 110, the control program of the PLC module 123 collects information on the facility device whose operation state is not normal (S24). For example, the PLC module 123 simply receives a plurality of tower lamp operation control signals for operating the tower lamp from each of the plurality of equipment devices 110, and the control program has a yellow or yellow tower lamp among the plurality of tower lamp operation control signals. It can be determined whether or not there is a signal to control to output red light. When it is determined that there is a signal for controlling the tower lamp to output yellow or red light, the control program outputs the corresponding signal to the facility apparatus 110 that has output the signal through the signal port / output unit that has received the tower lamp operation control signal. Information can be tracked and collected in reverse. That is, the type of the tower lamp operation control signal is determined by the control program of the PLC module 123, and the control unit 125 can operate by simply controlling the operations of the display unit 130 and the audio output unit 140.

  When the information of the equipment device 110 whose operation state is not normal is collected, the control unit 125 controls the display unit 130 and the audio output unit 140 so that the operation state of the plurality of equipment devices 110 is output (S26). If it is determined that the operating state of all the equipment devices 110 is normal as a result of the determination in step S22, the step S24 of collecting information on the equipment devices 110 whose operating states are not normal is omitted, and the operation of a plurality of equipment devices 110 is immediately performed. The status can also be output (S26). Hereinafter, a description will be given with reference to FIG.

  FIG. 3 is a diagram provided for explaining the effect of the equipment monitoring system according to the embodiment of the present invention.

Referring to FIG. 3, a display unit 130 on which an operating state of a carbon dioxide (CO ₂ ) drill equipment is displayed is shown. A total of six drill equipment from No. 1 to No. 6 is displayed on the screen, and the operation state of the equipment is displayed under each equipment. FIG. 3 shows that the drill equipment of Nos. 1, 2, 4, and 6 operates normally, but the drill equipment of Nos. 3, 5 and 5 operate normally.

  The PLC module 123 is connected to an interface circuit that operates each of the tower lamps of the first to sixth drill equipments, and receives a tower lamp operation control signal from each interface circuit. The control program of the PLC module 123 determines whether or not the operation state of each of the first to sixth drill equipments is normal from the received tower lamp operation control signal, and transmits the result to the control unit 125. The control unit 125 outputs the monitoring result received from the PLC module 123 to the display unit 130. At this time, a plurality of drill equipment is displayed on the display unit 130 in the same layout as that arranged on the actual production line so that the operator can intuitively recognize the drill equipment in which an abnormality has occurred, and an abnormal state occurs. A method of displaying different colors of the drill equipment (No. 3 and No. 5 drill equipment in FIG. 3) can be applied. The operator does not need to check all the tower lamps of each drill equipment, and the operation status of each of the plurality of drill equipment is grasped only by the screen output from the display unit 130, and the equipment in an abnormal state is maintained and repaired. can do.

  Although the embodiment of the present invention has been described in detail above, the scope of the right of the present invention is not limited to this, and various modifications and modifications can be made without departing from the technical idea of the present invention described in the claims. It will be apparent to those skilled in the art that variations are possible.

DESCRIPTION OF SYMBOLS 110 Equipment apparatus 120 Monitoring apparatus 123 PLC module 125 Control part 130 Display part 140 Audio output part

Claims (8)

A display unit;
An audio output section;
A plurality of equipment equipped with a tower lamp for displaying the operating state;
A monitoring device that transmits and receives a signal indicating an operating state of each of the plurality of equipment devices using a PLC (Programmable Logic Controller) module;
The PLC module monitors an operating state of each of the plurality of facility devices based on the transmitted and received signals and outputs the monitoring result via at least one of the display unit and the audio output unit. Equipment system monitoring system including control program. _2. The equipment monitoring system according to claim 1, wherein the plurality of equipment includes at least one of a carbon dioxide (CO ₂ ) drill equipment and an automatic optical inspection equipment.   3. The equipment monitoring system according to claim 1, wherein the tower lamp displays operating states of the plurality of equipment through a plurality of light emitting units that output different colors.   4. The PLC module according to claim 1, wherein the PLC module is connected to an interface circuit of a tower lamp that displays an operating state of each of the plurality of equipment devices, and receives a driving signal for operating the tower lamp. 5. Equipment monitoring system.   The monitoring device is operated via at least one of the display unit and the audio output unit when it is determined that at least a part of the operation state of the plurality of facility devices is out of a preset normal range. The equipment monitoring system according to any one of claims 1 to 4, wherein information on equipment whose status is out of the normal range is output. A receiving stage for receiving a plurality of signals indicating an operating state of each of the plurality of equipment devices through the PLC module;
Using each of the plurality of signals by the control program of the PLC module, and determining whether or not the operating state of each of the plurality of equipment devices is included in a preset normal range;
An equipment device monitoring method comprising: an output step of outputting information on the detected equipment device to at least one of a screen and a sound when an equipment device out of the normal range is detected.   The equipment apparatus according to claim 6, wherein the receiving step receives a driving signal for operating the tower lamp through the PLC module connected to a tower lamp driving circuit that displays an operating state of each of the plurality of equipment apparatuses. Monitoring method. The equipment device monitoring method according to claim 6 or 7, wherein the plurality of equipment devices include at least one of a carbon dioxide (CO ₂ ) drill equipment and an automatic optical inspection equipment.

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