KR20170010612A - A Storing Apparatus for a Outbreak Circumstance of an Malfunction in a Machinery or Device and a Method for Storing the Same - Google Patents
A Storing Apparatus for a Outbreak Circumstance of an Malfunction in a Machinery or Device and a Method for Storing the Same Download PDFInfo
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- KR20170010612A KR20170010612A KR1020150102471A KR20150102471A KR20170010612A KR 20170010612 A KR20170010612 A KR 20170010612A KR 1020150102471 A KR1020150102471 A KR 1020150102471A KR 20150102471 A KR20150102471 A KR 20150102471A KR 20170010612 A KR20170010612 A KR 20170010612A
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B23/00—Testing or monitoring of control systems or parts thereof
- G05B23/02—Electric testing or monitoring
- G05B23/0205—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults
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Abstract
The present invention relates to a device for storing a malfunction occurrence state of a machine or a device and a storage method therefor, and more particularly to a device for storing malfunctions before and after occurrence of a malfunction in a machine or a device, Or a malfunction occurrence status storage device and a storage method therefor. A malfunction occurrence status storage device of a machine or a device is provided with at least one camera unit arranged at at least one position of a machine or an apparatus to acquire and transmit a predetermined part of the operation status, A malfunction state storage module 10 for classifying and storing information transmitted from the operation state acquisition module DC over time; A malfunction determination module 20 for extracting and storing detection information of a corresponding time when a malfunction is predicted or a malfunction occurs; And a malfunction status processing module (30) for transmitting a malfunction occurrence or malfunction occurrence to the predetermined electronic device together with the extracted detection information.
Description
The present invention relates to a device for storing a malfunction occurrence state of a machine or a device and a storage method therefor, and more particularly to a device for storing malfunctions before and after occurrence of a malfunction in a machine or a device, Or a malfunction occurrence status storage device and a storage method therefor.
A variety of detection units or diagnostic devices are known in the art for detecting the operating state of a machine or device to prevent malfunction or failure. For example, a malfunction of the machine or equipment can be detected in advance by detecting vibrations of the bearing or motor shaft or by detecting such things as the temperature of the electrical equipment. However, in the case of machining or connecting devices such as machine tools or power transmission devices, malfunctions are difficult to detect in advance. Malfunctions or failures can also occur in unforeseen circumstances. If the operating condition or the surrounding situation before a malfunction or failure occurs is known, the cause of the failure can be easily identified. Therefore, methods need to be developed that can detect operational conditions before or after a fault occurs.
Patent Publication No. 10-2009-0078186 discloses a video display system comprising a plurality of video units each installed at a place where monitoring is required for a substation facility and acquiring the operation status of the substation; A plurality of audio units installed in the place and broadcasting; A plurality of detection units installed in the place for detecting an abnormal state of the place and the facility; A field control unit installed in the substation and connected to the image unit, the audio unit, and the sensing unit to receive and analyze state information of the substation, equipment status information, and image units, audio units, and sensing units; And a central control unit for receiving and analyzing the information transmitted from the field control unit and storing the information.
Patent Publication No. 10-2008-0055789 includes a control system having a controller arranged hierarchically and connected to the machine and having a processor and a memory, respectively, and a hierarchically arranged controller comprises one or more elements A data collection function for obtaining a time history of a selected variable with respect to the data; A preprocessing function for calculating a specific characteristic of a time history; An analysis function that evaluates properties to generate one or more hypotheses about the state of one or more elements; And at least one of the functions is performed at a higher level of the hierarchical arrangement of the controller such that the condition monitoring and coupling diagnostic data is used to determine the state of one or more elements from the one or more hypotheses, The present invention relates to a condition monitoring and coupling diagnostic system for a machine that is used at a level that has the ability to process data.
The prior art discloses diagnosing and storing the operating state of the machine and judging from the information transmitted from the detection unit whether it is in a malfunction state. However, it is necessary to continuously monitor the operation state of a malfunctioning machine or device, to store the occurrence of a malfunction or failure occurring in a situation where diagnosis or diagnosis is difficult, and then to identify a malfunction or malfunction based on the stored contents The method is not disclosed.
The present invention has been made to solve the problems of the prior art and has the following purpose.
An object of the present invention is to provide a device and method for storing a malfunction occurrence status of a machine or a device capable of detecting the cause of a malfunction by storing status information including an image of an operation status before or after a malfunction of a machine or an apparatus .
According to a preferred embodiment of the present invention, a malfunction occurrence status storage device of a machine or a device is provided with at least one camera unit arranged at at least one position of a machine or an apparatus, Situation Acquisition Module; A malfunction status storage module for storing information transmitted from the operation status acquisition module according to the passage of time; An erroneous operation determination module for extracting and storing detection information of the time when a malfunction is predicted or a malfunction occurs; And a malfunction status processing module for sending a malfunction occurrence or a malfunction occurrence to the predetermined electronic device along with the extracted detection information.
According to another preferred embodiment of the present invention, the malfunction status storage module includes an image signal comparator and a sound signal comparator for independently processing the obtained image information and the sound signal.
According to still another aspect of the present invention, there is provided a method for storing a malfunction occurrence status of a machine or a device that stores malfunction or failure information in a machine or a device, Determining an installation position of the detection unit in the operating device; Determining transmission and storage periods of the monitoring information of the detection unit; Preparing a failure type database of the automatic machine at the installation position; The information about the operation status at the installation position is transmitted to the storage medium and classified and stored in a predetermined manner; Determining whether a failure has occurred or whether a failure has occurred in the detection unit or the storage medium; And extracting image information before and after the occurrence of a failure and information related thereto in an operation state stored in the detection unit or the storage medium according to the determination result.
The storage device according to the present invention can be suitably applied when a malfunction or malfunction is expected in a machine or equipment, but such a malfunction or malfunction occurs suddenly. For example, in a machining apparatus, a polishing apparatus, or a press apparatus in which a continuous operation is performed, a failure or a malfunction state, which is difficult to diagnose by a detection unit such as a vibration detection unit, is recorded so that the cause can be searched. The storage device according to the present invention can be used in such a way that malfunctions or failures of a machine or an apparatus can be grasped by mutually related operating relationships by arranging the camera units in a plurality of operating positions in a single apparatus at risk of malfunction or malfunction do.
1 is a block diagram showing an embodiment of an operating structure of a malfunction occurrence status storage device according to the present invention.
FIG. 2 is a block diagram illustrating an embodiment of a malfunction occurrence status storage apparatus according to the present invention.
FIG. 3 illustrates an example of a process for determining whether a malfunction has occurred in the malfunction generating apparatus according to the present invention.
4 shows an embodiment of a malfunction occurrence storing method according to the present invention.
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the present invention will be described in detail with reference to the embodiments shown in the accompanying drawings, but the present invention is not limited thereto. In the following description, components having the same reference numerals in different drawings have similar functions, so that they will not be described repeatedly unless necessary for an understanding of the invention, and the known components will be briefly described or omitted. However, It should not be understood as being excluded from the embodiment of Fig.
A malfunction occurrence storage device and a storage method therefor according to the present invention aim at obtaining image information before and after a malfunction occurring in a machine or an apparatus. A machine or apparatus may be any machine, apparatus, or facility, such as a processing machine, a production machine, or a meter machine. Faults or malfunctions can be caused by internal or external factors, including conditions in which the specified operating state is stopped or operated in an undefined manner. Video information becomes basic information and sound or vibration information can be additionally obtained.
The malfunctioning storage device and the storage method therefor according to the present invention can be operated independently of the diagnostic system or the inspection system or can be operated as part of the diagnostic system or the inspection system. And can be operated in conjunction with these systems.
1 is a block diagram showing an embodiment of an operating structure of a malfunction occurrence status storage device according to the present invention.
1, a storage device according to the present invention includes an operation status acquisition module (DC) including at least one camera unit disposed at at least one position of a machine or an apparatus to acquire and transmit a predetermined part of operation status, ; A malfunction
The machine may be, for example, a variety of machining or processing equipment such as an assembling machine, a cutting machine, a cutting machine, a grinding machine or a drilling machine, and at least one camera unit may be arranged in one machine. The camera unit may be any device capable of acquiring and storing any image known in the art capable of continuous image acquisition. The installation position of the camera unit can be determined in advance. For example, if a failure or malfunction frequently occurs empirically, or if a failure occurs, a large damage to the entire machine may occur, or a malfunction may occur in a portion where different modules are connected It can be a high risk area. It can be installed on a single machine and synchronized with a number of simultaneously, and at the same time, can have monitoring relevance.
Each camera unit can continuously store the images obtained by dividing them into time bands and store them based on the monitoring relevance. The surveillance image by each camera unit stored in the time band can be stored in the storage medium and transmitted to the malfunction
The malfunction
The storage of the image units based on the time band refers to storing information transmitted from different camera units on the basis of, for example, the processing time or based on a work on one material. And each camera unit is stored based on the same time band, and the time band can be stored consecutively. When a predetermined time has elapsed, the image information stored according to the time band can be stored over time. For example, the image information of 12 hours or 24 hours old or the image information of one process may be deleted. The video information to be deleted may be separately stored in an independent storage medium.
Monitoring relevance means that they are stored on the basis of modules or materials that operate in conjunction with each other. For example, the A module, the B module and the C module which are continuously operated in association with each other can be displayed so as to be correlated with each other according to the operation time, and the image information having the monitoring relation can be stored. Also, when one material is continuously processed by a plurality of process steps or devices, the video information can be stored as a monitoring relevance indication. In this way, the malfunction
The information stored in the malfunction
If it is determined that there is a possibility of malfunction or malfunction in the
As described above, the malfunction occurrence status storage device according to the present invention basically aims to acquire image information before and after a malfunction situation occurs, and a plurality of camera units may be installed in a plurality of locations of machines that are likely to malfunction . When the malfunction occurs, it is possible to analyze the cause of the malfunction from the image information before or after the malfunction or immediately before the malfunction. However, additional information such as sound information or vibration information may be stored together with the image information.
FIG. 2 is a block diagram illustrating an embodiment of a malfunction occurrence status storage apparatus according to the present invention.
Referring to FIG. 2, a
The
The
The
The malfunction
As described above, malfunctions can be detected in various ways.
FIG. 3 illustrates an example of a process for determining whether a malfunction has occurred in the malfunction generating apparatus according to the present invention.
3, the image information can be transmitted from the
When the malfunction is determined in this way, the information can be transmitted to the malfunction
The possibility of malfunction occurrence or malfunction occurrence can be detected in various ways, and the present invention is not limited to the embodiments shown.
4 shows an embodiment of a malfunction occurrence storing method according to the present invention.
Referring to FIG. 4, a method of storing a malfunction occurrence status of a machine or a device that stores malfunction or failure information in a machine or a device includes detecting information on an operation status including image information, (P41) in which an installation position of the first connector Determining transmission and storage periods of the monitoring information of the detection unit; A step (P42) of preparing a failure type database of the automatic machine at the installation position; (P43) the information on the operation status at the installation position is transmitted to the storage medium and classified and stored in a predetermined manner; A step (P44) of judging whether a failure occurrence or a failure has occurred in the detection unit or the storage medium; And a step (P45) of extracting image information before and after the occurrence of a failure in the operational state stored in the detection unit or the storage medium and information related thereto, according to the determination result.
The actuating or actuating machine may be a production machine used in various industrial fields such as a manufacturing apparatus, an assembling apparatus, a supplying apparatus, or a processing apparatus. A plurality of modules can be connected to each other, and a plurality of monitoring positions can be selected for one operation device (P41). The monitoring position can be, for example, based on a connection point which has already failed, a supply module in which the main parts of the supply direction are continuously supplied, a connection part where different modules are connected, or a cutting tool Can be selected.
When the monitoring position is selected (S41), the transmission and storage period of the monitoring information can be determined (S42). The transmission and storage period may be determined according to the operating structure of the operating device. For example, the transmission and storage period may be determined based on the number of processes or on the basis of time, and the storage period may be determined based on the number of processes. For example, once a process is completed, the monitoring image for the previous process may be deleted. The storage period refers to the time at which the surveillance image is deleted.
The failure type database can be prepared, and the normal operation state database can be prepared together with the failure type database (S43). The type of judgment in a fault or steady state database may be, but is not limited to, image, sound or vibration. The reference data stored in the failure type database can be updated and can be associated with a control unit or a comparison processor.
The monitoring method, the transmission period or the storage period is determined (S42). If the failure type database is prepared (S43), the camera unit is operated to monitor the monitoring position and store the monitoring image (S44). Surveillance cameras that monitor one operating device can be operated in conjunction with each other and can generate surveillance images with time relevance or monitoring relevance. Specifically, when the material is processed continuously, the materials in the different process steps can be monitored by different camera units, and the visual images are displayed in different camera units, Lt; / RTI > Also, the surveillance images generated from different camera units are made to have the same time band, and these time bands are displayed on the surveillance image, so that the surveillance images having time relevance can be created.
If a failure occurs at a specific location in the operating process of the operating device, it can be detected by an external or malfunctioning situation storage device. On the other hand, the possibility of malfunction may be detected. For example, if the camera unit deviates from a predetermined position in the monitoring image or continuously generates a friction noise, it may be judged whether there is a possibility of malfunction (P45). If a malfunction has occurred or a possibility of occurrence of a malfunction is high (YES), images before and after occurrence can be extracted (S46). Then, the extracted image can be used for malfunction analysis. If it is determined that a malfunction has not occurred (NO), monitoring and storage can be continued (S44).
The malfunction occurrence storing method according to the present invention can be carried out in various ways, and the present invention is not limited to the embodiments shown.
The storage device according to the present invention can be suitably applied when a malfunction or malfunction is expected in a machine or equipment, but such a malfunction or malfunction occurs suddenly. For example, in a machining apparatus, a polishing apparatus, or a press apparatus in which a continuous operation is performed, a failure or a malfunction state, which is difficult to diagnose by a detection unit such as a vibration detection unit, is recorded so that the cause can be searched. The storage device according to the present invention can be used in such a way that malfunctions or failures of a machine or an apparatus can be grasped by mutually related operating relationships by arranging the camera units in a plurality of operating positions in a single apparatus at risk of malfunction or malfunction do.
While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it will be understood by those of ordinary skill in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention . The invention is not limited by these variations and modifications, but is limited only by the claims appended hereto.
10: malfunction status storage module 11: status detection unit
12: image storage medium 13: storage processing unit
14: Extraction storage unit 20: Malfunction determination module
21: control unit 22: monitoring setting unit
23: Operational Database 25: Comparison Processor
30: malfunction status processing module 31: operation determination unit
32: malfunction determination unit 33: communication unit
37: malfunction determination unit 38: separation storage unit
111: camera unit 112: sensor unit
351: Video signal processing unit 352: Sound signal separation unit
361: comparator 1 362: comparator 2
363: comparator 3 DC: operational status acquisition module
Claims (3)
A malfunction state storage module 10 for classifying and storing information transmitted from the operation state acquisition module DC over time;
A malfunction determination module 20 for extracting and storing detection information of a corresponding time when a malfunction is predicted or a malfunction occurs; And
And a malfunction status processing module (30) for sending a malfunction occurrence risk or malfunction occurrence to the predetermined electronic device together with the extracted detection information.
Determining an installation position of a detection unit in an operation device to be obtained from information on an operation state including image information;
Determining transmission and storage periods of the monitoring information of the detection unit;
Preparing a failure type database of the automatic machine at the installation position;
The information about the operation status at the installation position is transmitted to the storage medium and classified and stored in a predetermined manner;
Determining whether a failure has occurred or whether a failure has occurred in the detection unit or the storage medium; And
And a step of extracting image information before and after the occurrence of a failure and information related thereto in an operation state stored in the detection unit or the storage medium according to the determination result.
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KR1020150102471A KR20170010612A (en) | 2015-07-20 | 2015-07-20 | A Storing Apparatus for a Outbreak Circumstance of an Malfunction in a Machinery or Device and a Method for Storing the Same |
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KR1020150102471A KR20170010612A (en) | 2015-07-20 | 2015-07-20 | A Storing Apparatus for a Outbreak Circumstance of an Malfunction in a Machinery or Device and a Method for Storing the Same |
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Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
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KR20080055789A (en) | 2005-07-11 | 2008-06-19 | 브룩스 오토메이션 인코퍼레이티드 | Intelligent condition-monitoring and fault diagnostic system |
KR20090078186A (en) | 2008-01-14 | 2009-07-17 | 한국전력공사 | System of transmition surveillance information using self-diagnosis ability and method thereof |
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Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
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KR20080055789A (en) | 2005-07-11 | 2008-06-19 | 브룩스 오토메이션 인코퍼레이티드 | Intelligent condition-monitoring and fault diagnostic system |
KR20090078186A (en) | 2008-01-14 | 2009-07-17 | 한국전력공사 | System of transmition surveillance information using self-diagnosis ability and method thereof |
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