KR101835602B1 - Mobile product quality control system - Google Patents

Abstract

Provided is a mobile quality management system in which a central processing terminal is connected to a production information server having production information stored therein, a work management server transferring work information to a worker, a checking means checking a workpiece, and a workpiece checking server having checking information stored therein so as to organically process each type of information, thereby checking a processing result through a mobile device wirelessly connected to the central processing terminal.

Description

Mobile product quality control system < RTI ID = 0.0 >

The present invention relates to a quality management system, and more particularly, to a quality management system that includes a production information server for storing production information, a work management server for delivering work information to a worker, The present invention relates to a mobile quality management system in which a server is connected to a central processing terminal and each piece of information is organically processed and can be confirmed by a mobile device wirelessly connected to the central processing terminal.

Molds are tools for rapid mass production of the same product, and a significant portion of the product quality depends on the quality of the mold. Therefore, it is very important to improve the quality of the mold to improve the quality of the product. The development of the injection mold requires knowledge of the mass produced product through the mold and knowledge of the structure of the past similar molds, and therefore systematic management of such related information is required.

Among the information related to the production of molds, the function of deriving the standard quality standards and providing them to the database as a quality inspection standard for similar molds has brought about effects such as improving the quality of production products and cost reduction by preventing work errors It is important to contribute to the enhancement of corporate competitiveness by making it possible to manage important points.

In the case of large corporations, manpower and work procedures are prepared to manage quality standards to some extent, but in the case of SMEs, it is difficult to manage them in terms of time, manpower, and cost. There is often a vicious circle.

In order to solve such a problem, a conventional technique has been disclosed in Korean Patent No. 10-1091709. The conventional technique includes a step of maintaining a quality reference information database in which at least one quality reference information table for a metallic pattern is recorded, a quality reference information table list including a list of the at least one quality reference information table, Receiving a selection of a first quality reference information table from the quality reference information table list from the user, reading the first quality reference information table from the quality reference information database, And controlling the provision of the first quality reference information table. That is, a user selects a criterion from a quality criterion information database and provides a data table therefor.

In the case of such a quality management system, there is no possibility that a human error occurs due to the absence of a configuration for confirming the intention of the manufacturing client, and there is no component for confirming if a defect occurs, And it is possible to confirm it only in the place where the user is located.

Korean Patent No. 10-1091709 (December 2, 2011)

SUMMARY OF THE INVENTION Accordingly, the present invention has been made keeping in mind the above problems occurring in the prior art,

A production information server for storing production information, a work management server for delivering work information to an operator, a inspection means for inspection of work and a workpiece inspection server for storing inspection information are connected to a central processing terminal, And a mobile quality management system capable of confirming the mobile quality of a mobile device connected to the central processing terminal wirelessly.

The objects of the embodiments of the present invention are not limited to the above-mentioned objects, and other objects not mentioned can be clearly understood by those skilled in the art from the following description .

According to an aspect of the present invention, there is provided a mobile quality management system,

A work management server 120 for delivering the information of the work stored in the production information server 110 to the selected worker, a work management server for managing the work A production information server 110, a work management server 120, and the work water inspection server 140, which store the inspection information inspected by the inspection means 130, the inspection information inspected by the work inspection means 130, A central processing terminal 150 for transmitting and receiving information through data communication with the server 140 and a mobile device 210 connected wirelessly with the central processing terminal 150.

At this time, the production information server 110 includes a design data DB 111 for storing external design data of the requested work, a material data DB 112 for storing the material data of the requested work, And a process data DB 113 in which the process data DB 113 is stored.

The job management server 120 may further include an operator information DB 121 in which information on the operator is stored, and a job schedule DB 122 in which the operator's schedule information is stored.

In addition, the worker information DB 121 may store worker ID, worker name, and job history information.

The workpiece inspection means 130 includes a photographing device 131 composed of at least one image sensor, a nondestructive inspection (inspection) device comprising at least one nondestructive inspection sensor for confirming the property of the nondestructive property such as X-ray or laser Device 132 as shown in FIG.

At this time, the workpiece inspection server 140 includes a verification data DB 141 for storing verification data of the workpiece, and a verification result DB 142 for storing the verification data of the workpiece verification means 130 .

The mobile device 210 may include a touch screen module 211 for outputting information and directly inputting information through a touch or a variety of input tools, and a camera module 212 for capturing live images .

According to the mobile quality management system according to the embodiment of the present invention,

The information on the work requested by the client is subdivided into the design / material / process and stored in the worker so that the worker can more easily grasp the intention of the client, so that the defect rate can be minimized. Therefore, And has a high degree of satisfaction.

In addition, when defects occur, it is easy to track the information on the worker who has performed the work and the corresponding process, thereby improving the process or retraining the worker, thereby improving the production efficiency.

In addition, the mobile device can be wirelessly connected to the central processing terminal, and if necessary, the production manager confirms the current production status or the quality inspection status together with the worker or the client to improve the efficiency of the indication to the operator and the trust of the requester .

1 is a block diagram of a mobile quality management system embodiment
FIG. 2 is a diagram showing a production information server embodiment
FIG. 3 is a flowchart illustrating a job management server embodiment
Fig. 4 is a view showing a working water inspection means embodiment
FIG. 5 is a diagram showing a workpiece inspection server embodiment
FIG. 6 is a block diagram of a mobile device embodiment
Fig. 7 is a graph showing the results obtained by the examples of the inspection using the workpiece inspection means of the present invention
Fig. 8 is a view showing a recognition screen example of the workpiece inspection means of the present invention
9 is a structural example of the workpiece inspection means of the present invention
Fig. 10 is a view of the first embodiment of recognition of the workpiece inspection means of the present invention
Fig. 11 is a second embodiment of recognition of the workpiece inspection means of the present invention

Hereinafter, the present invention will be described in more detail with reference to the accompanying drawings. Prior to this, terms and words used in the present specification and claims should not be construed as limited to ordinary or dictionary terms, and the inventor should appropriately interpret the concept of the term appropriately in order to describe its own invention in the best way. The present invention should be construed in accordance with the meaning and concept consistent with the technical idea of the present invention. Further, it is to be understood that, unless otherwise defined, technical terms and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. Descriptions of known functions and configurations that may be unnecessarily blurred are omitted. The following drawings are provided by way of example so that those skilled in the art can fully understand the spirit of the present invention. Therefore, the present invention is not limited to the following drawings, but may be embodied in other forms. In addition, like reference numerals designate like elements throughout the specification. It is to be noted that the same elements among the drawings are denoted by the same reference numerals whenever possible.

FIG. 1 is a diagram illustrating a mobile quality management system according to an embodiment of the present invention. FIG. 2 is an embodiment of a production information server according to the present invention. FIG. 3 is an embodiment of a job management server according to the present invention. Fig. 5 is an embodiment of a workpiece inspection server of the present invention, Fig. 6 is a mobile device embodiment of the present invention, Fig. 7 is an embodiment of inspection work using the workpiece inspection means of the present invention, Fig. 9 is a first embodiment of recognition of the workpiece inspection means of the present invention, and Fig. 11 is a view showing the workpiece inspection means of the present invention The recognition of the inspection means is the second embodiment.

As shown in FIG. 1, the mobile quality management system of the present invention includes a production information server 110 in which information of a requested work is stored, information of a work stored in the production information server 110, A work management server 120, a workpiece inspection means 130 for inspecting the completed workpiece, a workpiece inspection server 140 for storing inspection information inspected by the workpiece inspection means 130, A central processing terminal 150 for transmitting and receiving information through data communication with the server 110, the work management server 120 and the work verification server 140; (210).

2, the production information server 110 includes a design data DB 111 for storing external design data of the requested work, a material data DB 112 for storing the material data of the requested work, And a process data DB 113 in which process data of the requested work is stored.

That is, data such as a design diagram provided by the client is stored in the design data DB 111, a material related request is stored in the material data DB 112, and a process related to the process Are stored in the process data DB 113. This allows the first client to store detailed information about the intended work in each item so that the client can more easily grasp the client's intention when he / she is working. Through this process, the client can communicate with the client It is possible to prevent a defect that may occur due to a problem, and thus the satisfaction and reliability of the client can be further improved.

3, the job management server 120 further includes an operator information DB 121 in which information on an operator is stored, and a job schedule DB 122 in which information on an operator's schedule is stored .

Accordingly, it is possible to confirm the schedule information per worker, thereby enabling a more efficient work schedule operation, thereby improving the production efficiency.

At this time, the worker ID, the worker's name, and the work history information can be stored in the worker information DB 121. Through this, the production manager can check the performance of each worker, Therefore, it is possible to easily grasp the persons who are deemed to be in need of the reeducation and to carry out the reeducation, thereby improving the skill of the operator.

4, the workpiece inspection means 130 includes a photographing apparatus 131 composed of at least one or more image sensors, at least one or more photographing apparatuses 131 for confirming physical properties in a nondestructive manner such as X-rays or lasers And a non-destructive inspection device 132 composed of a non-destructive inspection sensor.

That is, the surface state of the workpiece is checked through the photographing apparatus 131, the result is sent to the workpiece inspection server 140, and information about the thickness hole or the like is checked through the non-destructive inspection apparatus 132 And transmits the result to the workpiece inspection server 140. At this time, it is preferable that the transmitted data is composed of image data or a graph so that the production manager and the client can check the status more easily.

As shown in FIG. 5, the workpiece inspection server 140 includes a verification data DB 141 for storing inspection data of the workpiece, a verification data storage unit 140 for storing the verification data of the workpiece verification unit 130, And a result DB 142.

That is, data of an image or graph form photographed or created through the workpiece inspection means 130 and data serving as a inspection reference are stored in the inspection data DB 141, And the result of the verification is stored in the DB 142 as the verification result.

6, the mobile device 210 includes a touch screen module 211 for outputting information and directly inputting information through a touch or various input tools, a camera module (212). Accordingly, the production manager can confirm the work status and the quality status of the workpiece every time the mobile device 210 is carried, and can use the camera module 212 to meet with the client as an image. Through this, the information utilization efficiency of the production manager can be improved and the whole production efficiency can be improved.

As an example of use of the mobile quality management system of the present invention, the production manager may transmit the drawing data, the material information, and the process information acquired through the meeting with the client to the central processing terminal 150, the central processing terminal 150 stores the data in the design data DB 111, the material data DB 112, and the process data DB 113 of the production information server 110 according to the data type.

The production manager checks the schedule of each worker in the job schedule DB 122 of the job management server 120 using the mobile device 210 and transmits the schedule of the worker who can perform the job through the central processing terminal 150 And updates the work schedule in the worker information DB 121.

The worker downloads the information of the corresponding job from the production information server 110 according to the job schedule DB 122, and the completed work is received by the work receiving unit 130 131 and the non-destructive testing device 132 to generate and output verification data in the verification data DB 141. [ At this time, the work accepting unit 130 operates under the control of the central processing terminal 150.

The verification result stored in the verification data DB 141 is compared with the verification reference data stored in the same DB using the central processing terminal 150 and the verification acceptance and verification failure information corresponding thereto is stored in the verification result DB 142 ).

In addition, if the verification fails, the worker who has performed the work confirms the rejection factor information stored together with the verification acceptance information and the verification failure information in the DB 142 as a result of the verification.

At this time, a series of processes can be confirmed in real time by the production manager through the mobile device 210, and can be monitored together with the client as needed.

In addition, as shown in FIG. 7, in the embodiment of the inspection using the workpiece inspection means 130 of the present invention, the workpiece to be inspected is photographed using a plurality of the photographing apparatuses 131, And outputs a rectangular position display line around the portion where the object is found. The name of the recognized portion and the recognition number are displayed on one side of the position display line. Through this screen configuration, the mobile quality management system of the present invention analyzes a workpiece from images at various angles of a plurality of photographing apparatuses 131, displays a name and an identification number with respect to the analysis part, The monitoring managements of the production manager can be improved. At this time, MaxROI Num indicates the number of total inspection areas (ROI) and the currently selected inspection area. The ROI shape selection window is a window for selecting the shape of the inspection area. When RECTANGLE is selected, the inspection area is displayed as a rectangle. Name is the place where the name of the inspection area can be written, and ROI Size is the size of the inspection area, and it is possible to fix the size or to automatically enlarge as much as the image size. Mission sets the function of inspection area, Inspection simply displays OK and NG only after inspection, and Measure displays only measurement value in blue without affecting inspection result. Measure and Inspection displays test results and affects test results. Algorithm Num can add up to 100,000 algorithms. ProcessColorMode is an option to select one of R, G, and B channels for color operation. Independent Moving ROI is the AROI option to track when the subject is moving. If you select Independent Moving ROI, this ROI is not affected by AROI. Test All is a powerful debugging function that can collect thousands of log images if the test results of some products are not constant, and control thousands of checkpoints at the same time. At this time, the image is saved in the logic directory. Therefore, you should leave the directory for that date empty in advance. The SelectCam Test can perform a measurement / inspection algorithm corresponding to one inspection area (ROI Test) or all the inspection areas (SelectCam test) existing in one camera. At this time, the image is not saved in the logic directory. Clear Result clears the test result display screen. Show Result shows the result of inspection of the currently specified inspection area.

8, as exemplified in the photographing screen example of the photographing apparatus 131 of the embodiment of the inspection using the workpiece inspection means 130 of the present invention, the inspection data DB ( The image stored in the storage unit 141 can be selected such that the name and the identification number of the corresponding part are shown or those not shown in FIG. 8B as shown in FIG. 8A. This allows the production manager to arbitrarily set a clearer image according to the amount of elements to be checked at the position to be checked. Accordingly, the user can select the city or the city as the name and the recognition number as needed, so that the image of the corresponding site can be used more efficiently.

As in the embodiment shown in Fig. 9, each of the photographing apparatuses 131 can shoot with the object of inspection of the workpiece. This allows the image processing algorithm of the central processing unit 150, which controls the photographing apparatus 131, to recognize a predetermined image of a predetermined position and check the corresponding element more accurately, Image data can be obtained so that the production manager can check detailed work.

10 to 11, the production manager uses the central processing terminal 150 to perform various adjustments in order to increase the recognition rate of the elements recognized through the photographing of the photographing apparatus 131 It is possible. That is, it is possible to improve the processing efficiency of the image processing algorithm by adjusting the information of the element to be recognized according to the previously identified information such as the size of the element, the number of the elements, and the like. Through this, the inspection speed of the workpiece can be improved and the efficiency of the whole process can be improved.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments. It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Accordingly, the spirit of the present invention should not be construed as being limited to the embodiments described, and all of the equivalents or equivalents of the claims, as well as the following claims, belong to the scope of the present invention .

110: Production information server
111: Design data DB 112: Material data DB
113: Process data DB
120: job management server
121: worker information DB 122: work schedule DB
130: Workpiece inspection means
131: photographing device 132: non-destructive inspection device
140: Workpiece inspection server
141: Inspection data DB 142: Inspection result DB
150: Central processing terminal
210: Mobile device
211: touch screen module 212: camera module

Claims (7)

A design data DB 111 for storing design data of the requested work, a material data DB 112 for storing the work data of the requested work, a process data of the requested work is stored A production information server 110 including a process data DB 113;
The worker information DB 121 stores worker information such as worker ID, worker name, work history information, and the like, and schedule information of the worker, which is stored in the production information server 110 A job management server 120 formed by including a job schedule DB 122 that is provided in the job management server 120;
A non-destructive inspection device 132 composed of a photographing device 131 constituted by at least one image sensor, at least one non-destructive inspection sensor for confirming the property of nondestructive property such as X-ray or laser, A workpiece inspection means (130) for checking the workpiece;
A verification data DB 141 for storing inspection data of the workpiece and a verification result DB for storing the verification data of the workpiece verification means 130, A workpiece inspection server 140 configured by the workpiece inspection server 140;
A central processing terminal 150 for transmitting and receiving information through data communication with the production information server 110, the job management server 120 and the workpiece inspection server 140;
A touch screen module 211 connected wirelessly with the central processing terminal 150 and capable of directly inputting information through direct touch or various input tools, and a camera module 212 for photographing live images And a mobile device 210,
The workpiece inspection means 130 analyzes a workpiece in an image at a plurality of angles of the plurality of photographing apparatuses 131 and displays a name and an identification number for the analysis portion, Max ROI Num, which indicates the number of total inspection area (ROI) and the currently selected inspection area, ROI shape selection window which is a window for selecting the shape of the inspection area, Name to write the name of the inspection area, It supports ROI Size, Mission to set function of inspection area, Inspection to display OK, NG after inspection, Display of measurement value without affecting inspection result Measure, Algorithm Num to add algorithm number, ProcessColorMode option to select one of R, G, B channels for color, In this case, the optional Independent Moving ROI which can track it, the Test All, which collects the Log Image when the test result of the product is not constant, adjusts the value of the check point by one operation at a time, SelectCam Test that performs measurement and inspection algorithms corresponding to all the inspection areas (SelectCam Test) existing in the selected inspection area, Clear Result which clears the display screen of the inspection result, Show Result And the image stored in the verification data DB 141 is used to select a city or a city as the name of the corresponding part and the recognition number to use the image of the corresponding part more efficiently, (150) for controlling the photographing apparatus (131) by photographing the object (131) The production manager recognizes a predetermined image of a predetermined position through the image processing algorithm to more accurately check the element, and the production manager recognizes the image by capturing the photographing device 131 using the central processing terminal 150 In order to increase the recognition rate of the elements, it is necessary to improve the processing efficiency of the image processing algorithm by adjusting the information of the element to be recognized according to the previously identified information such as the size of the element and the number of elements, And the inspection speed is improved to improve the efficiency of the entire process. delete delete delete delete delete delete

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