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Data collection system

A technology for data collection and manipulation of data, applied in the field of data collection systems, which can solve problems such as sequence program modification, unsatisfactory analysis of equipment operating status, and inability to implement methods for improving quality in production site productivity

Inactive Publication Date: 2007-04-25
ORMON CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0014] However, it is difficult to install these prior art first to sixth data collection systems in prior art production facilities such as equipment
In particular, when one of the first to sixth data collection systems of the prior art is used to collect operating data of production equipment, the production equipment must be custom-made, or a program such as a programmable controller installed on the production equipment The sequence program had to be greatly modified
[0015] In addition, for transmitting and receiving data, the first to sixth data collection systems of the prior art cannot represent status information on the status of various types of equipment with a small number of bits
Thus, for systems such as factories that include extremely high volumes of production equipment, the free flow of network traffic becomes a threat to the collection of equipment status information
[0016] In addition, with the first to sixth data collection systems of the prior art, the operating state of the equipment cannot be satisfactorily analyzed
In particular, since information when an abnormality occurs, such as operator movement time information and recovery time information cannot be acquired, countermeasures required at production sites cannot be performed
In addition, because the occurrence rate of each state including an abnormal state, and the duration and frequency of these states cannot be acquired, methods for improving productivity at a production site and for improving quality cannot be performed

Method used

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Experimental program
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no. 1 approach

[0147]FIG. 1 is a diagram of a basic configuration of a production system according to a first embodiment of the present invention. The productive system includes: one or more devices 11 , one or more programmable controllers 12 , one or more data collection systems 13 and one or more output devices 14 . Typically, the device 11, the programmable controller 12 and the output device 14 are provided as a set. In this production system, each group consisting of equipment 11 , programmable controller 12 and output device 14 includes a data collection system 13 . Furthermore, the individual assemblies of plant 11 , programmable controller 12 and output device 14 are already operating production plants.

[0148] The facility 11 is a device for producing electrical devices, machines, or other products and components, and the produced goods are not particularly limited.

[0149] The programmable controller 12 is a special controller (computer) that turns on or off an output device a...

no. 2 approach

[0335] According to a second embodiment of the present invention, analysis means that perform statistical processing of two or more groups of status information and obtain statistical data to determine the operation of one or more devices will now be described. Condition.

[0336] The production system of this embodiment is the same as that of the first embodiment except for the analysis device.

[0337] The device includes: one or more devices 11 , one or more programmable controllers 12 , one or more data collection systems 1913 and one or more output devices 14 .

[0338] Data collection system 1913 includes one or more bifurcation devices 131 , one or more network devices 132 , data collection device 133 , and analysis device 2134 .

[0339] FIG. 21 is a block diagram showing analysis means 2134 constituting the data collection system 1913 according to the second embodiment.

[0340] The analyzing device 2134 includes a command receiving unit 1341 , a contact point relat...

no. 3 approach

[0396] A third embodiment of the present invention will now be described in which the data collection means comprises two network interfaces and the network by which the information indicating the operation of the device is obtained is separated from the network by which the analysis means is provided with data, in order to reduce network traffic and avoid congestion.

[0397] FIG. 30 is a diagram showing the basic layout of the production system according to this embodiment. The production system includes one or more devices 11 , one or more programmable controllers 12 , one or more data collection systems 183 and one or more output devices 14 .

[0398]Each data collection device 183 includes one or more branching devices 131 , one or more network devices 132 , data collection device 1833 and analysis device 134 , 2134 .

[0399] The configuration and operation of the data collection device 1833 are the same as those of the data collection device of the first embodiment exc...

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PUM

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Abstract

A data collection system includes: a contact information acquisition unit , for obtaining contact information; a state recognition unit , for obtaining, based on contact information acquired by the contact information acquisition unit, state information concerning the state of a equipment; a state coding unit , for transforming into coded contact associated information the state information obtained by the state recognition unit; and an output unit , for transmitting to an output apparatus contact information obtained by the contact information acquisition unit and for transmitting to a network apparatus contact associated information obtained by the state coding unit. With this arrangement, information concerning the operation of a equipment can be easily obtained, without requiring the reconstruction of a equipment or a great change in a sequence program, such as a programmable controller, mounted in the equipment.

Description

technical field [0001] The present invention relates to a data collection system for collecting data on the operation of equipment, such as production machines making up a production line. Background technique [0002] A data collection system of the first prior art is a data collection system that simplifies collection of the latest information on abnormality of equipment (for example, see Patent Document 1). [0003] A second prior art data collection system is a data collection system comprising: an interface for converting at least the output of a lamp, a buzzer, or a sensor indicating the operating state of a production facility to obtain an ON / OFF signal indicating start, wait, failure or pause status, and equipment operating state recording means, connected to said interface, recording at least start, wait, failure or suspension status, data indicating the cause of failure or suspension, and The start and end times of the respective states of the device. According t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05B23/02G05B19/048
CPCY02P90/02
Inventor 津田学藤井徹
Owner ORMON CORP