JPH0721277A - Method for displaying information quality - Google Patents

Abstract

PURPOSE:To permit multiple operators to instantaneously and distinctly know information quality of a combined product in the quality control system of a production factory. CONSTITUTION:The information quality displaying method is constituted by, at first, comparing information quality with the target value of information quality and providing a interrupting means 7 for holding a comparison result, secondly, providing an updating means 8 for erasing a prescribed screen area in accordance with the result as necessary and, at last, providing an input means 9 for emphasizing a prescribed display content in accordance with the result as necessary. The method is characterized by emphasizing and displaying information quality so as to permit the plural operators to know it. The updating means 8 and the input means 9 are characterized by using a software interrupting instruction with a basic input/output system so as to directly perform access to picture information.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention is a method for displaying quality information on a quality control system in an assembly and inspection line of a production factory, and in particular, the quality information can be perceived immediately and clearly by many operators. The present invention relates to a method of displaying quality information.

[0002]

2. Description of the Related Art For example, when an operator of each line is allowed to smoothly promote work at the time of completion and assembly of a vehicle, vehicle quality information is displayed from a display device installed beside the line. It is important to be able to notify a large number of operators, and various vehicle quality information display methods for this purpose have been proposed.

FIG. 5 is a diagram for explaining an example of a conventional method for an operator to check vehicle quality information at any time.
FIG. 5 (a) schematically shows the flow of the procedure, FIG. 5 (b) shows the screen of the display device, and FIG. 5 (c) schematically shows a general device using this conventional method. is there.

According to this method, first, an operator starts up a display device CRT for displaying quality information and a terminal device PC for controlling the display device CRT, and a server S is connected via a LAN.
Preparatory stage 10 for connecting these devices CRT and PC to V
1 and then a setting step 102 for selecting the work to be processed from the menu screen.

Next, in accordance with an entry step 103 of sequentially inputting and correcting individual quality information from the inspection result table for each vehicle and compiling a statistical table for each line, and an instruction keyed by an operator. In each of the statistical areas ST, ST, ST for each line in the display device CRT, there is provided a display 1 step 104 for respectively displaying these statistical tables.

Finally, it comprises a reporting step 105 for transmitting these quality information to a central processing unit (not shown) of the production control system SYSA via the LAN, and collects the inputted quality information of the assembled vehicle. However, the inspection results of the day are organized and displayed while being reported to the quality control system.

DS is a data selector for inputting quality information, and BR is a bar code reader for reading an identification number given to each vehicle from an inspection result table. C is
This is a coupling device for connecting the terminal device PC or the like to the LAN, and is connected to the L terminal together with other terminal devices and a transfer device not shown.
The quality control system S is connected to the server SV via the AN.
Forming YS. Incidentally, TL is a title area for displaying the title of this screen.

[0008]

However, when the above-mentioned conventional method for displaying quality information is used to display the quality information on the display device near the inspection work, there are the following problems. . (1) Every time the operator needs to confirm the quality information, the terminal device is instructed to create a statistical table at that time, and the display device is instructed to display this statistical table. In addition to the time and effort required, this confirmation was frequently necessary and was not in time for the line tact. (2) Further, in an actual production factory, an assembly and inspection line having a plurality of processes is widely spread and installed, and the progress and the yield of each line and each process are aggregated and managed, so that many Operator had to repeat the exact same operation in duplicate. (3) Furthermore, it is extremely complicated to browse the pass rate of the product inspection, which is the most interesting to the operator, from a large number of numerical values in the displayed statistical table, and reading errors are relatively likely to occur. turn into. In view of the above problems, the present invention provides quality information immediately in a quality control system,
Another object of the present invention is to provide a method of displaying quality information that can be clearly perceived by many operators.

[0009]

In order to solve the above problems, the present invention has the following means. (1) In a method of displaying quality information on a display device in an assembly and inspection line of a production factory, first, the quality information is compared with a target value of the quality information, and an interrupt for holding the result of the comparison as described above Means is provided, next, an updating means for deleting a predetermined screen area according to the result is provided if necessary, and finally, an input means for highlighting the predetermined display content according to the result is provided. A method for displaying quality information is characterized in that the quality information is emphasized and displayed so that a plurality of operators can perceive it. (2) The quality according to (1) above, wherein the updating means uses a software interrupt instruction to access the basic input / output system to directly update the image information to be displayed. How to display information. (3) The above-mentioned item (1) and the above-mentioned item (1), characterized in that the input means directly accesses the basic input / output system by using a software interrupt command to display the image information to be displayed. The method of displaying the quality information described in 2).

[0010]

Function: The pass rate of the product inspection is regularly highlighted according to the result of comparison with the target value. In addition, the screen of the quality information of this time is directly accessed through the basic input / output system as necessary, and an arbitrary image is displayed in an emphasized manner.

[0011]

Embodiments of the present invention will now be described with reference to the drawings in a vehicle manufacturing plant. FIG. 1 is a diagram for explaining an embodiment of the method of the present invention, in which the same parts as in the conventional example are omitted. FIG. 1 (a) schematically shows an operation flow in the terminal device, FIG. 1 (b) schematically shows a memory configuration in the terminal device and the server, FIG. 1 (c), and FIG. Reference numeral 1 (d) partially shows a display screen of the display device.

In FIG. 1, the main part of the method of this embodiment is provided with a display 2 stage 104a for displaying in real time the quality information in the assembling work by emphasizing it, and FIG. Display 1 in the conventional example shown in
The step 104 is replaced with the display 2 step 104a. Further, in the new display screen, the title area TL in FIG. 5 (b) is replaced with the new title area TLa in the present invention, and the respective statistics areas ST and S are also displayed.
T and ST are replaced with new statistical areas STa, STa and STa, respectively, and displayed.

In the display 2 step 4a, first, an interrupting means 7 for executing an interrupt by a timer to prepare information to be emphasized, then an updating means 8 for partially erasing a displayed screen, and subsequently, Then, the input means 9 for displaying the screen emphasized after being erased is provided in this order, and the passing rate, which is the ratio of the number of units that have passed the inspection, is calculated by the quality information collected in a predetermined period. It is emphasized and displayed according to the result.

In FIG. 1B, networks LAN1, LAN2 and LAN3 which transfer quality information of each assembly line and form a quality control system SYS are as follows.
A production management system SYS that manages the entire production plan and notifies each production process in the factory of quality information of vehicle assembly via a relay RL1 that transmits signals with matching transmission speeds.
It is configured to be bridge-connected via a bridge terminal device BT which is connected to the network A and exchanges quality information of each assembly line with each other, and various information can be exchanged with the production management system SYSA. You can do it.

Network L of quality control system SYS
The AN1 installs the input terminal device PC1 in the final step of vehicle assembly and the input terminal device PC2 in the final step of the completion inspection, and further controls transfer of quality information to the network of the production control system SYSA described above. The terminal device TF is provided and configured, and the input files of the quality information accumulated in the server SV are collectively transferred to the production management system SYSA. LAN2,
The LAN 3 and the LAN 3 have substantially the same configuration and operation as the LAN 1.

In FIG. 1C, the terminal devices PC1 and P
The C2 is an image storage unit IM that stores image information of a display screen displayed on the display device CRT, a graphic storage unit FM that stores partial image information of characters and graphic patterns on the display screen, and A main memory is provided with a status register SR having flags F1 and F2 (not shown) indicating status information in each means.

Further, a target value register MR for setting an arbitrary target value by keying in for each assembly line, a current pass rate register GR1 for holding a current pass rate value for each assembly line, and a previous pass rate register. The previous pass rate register GR2 for holding the value for each assembly line is provided in the main memory in the same number as the number of the assembly lines, and the quality information of each assembly line is mutually transmitted through the bridge terminal device BT. The value of the pass rate, which is transferred and aggregated from these quality information, is stored in each.

The server SV has an input file IF for filing quality information and transferring it to the quality control system SYS,
Various files (not shown) for storing individual names to be displayed corresponding to the quality information are provided in the file memory. The image storage section IM has a bitmap memory BM (not shown) for coloring and expanding the character and graphic patterns to be displayed.

The flag F1 indicates that the information to be emphasized has been prepared in the interrupting means 7, and the flag F2 indicates the area to be emphasized in the screen displayed so far in the updating means 8. Indicates that it has been deleted. It should be noted that the input means is always executed after the update means is executed, the flag F2 is omitted, and the update means and the input means are always executed after the interrupt means 7 is executed. The flag F2 can be omitted.

In FIG. 1D, the above-mentioned new title area TLa is a name area TL1 showing the name of the screen to be displayed, and a time area TL2 displaying the creation time when the most recently emphasized screen is created. It is configured with and, which assembly line or completion inspection line the pass rate displayed as described above is, and whether or not this pass rate reflects the work situation. The operator can check at a glance.

In FIG. 1 (e), the new statistical area STa is a number area ST1 for displaying the number of the assembly line for which quality information has been aggregated, and the cumulative number of vehicles inspected by the above-mentioned creation time. ST area for displaying the number of vehicles
2 and the pass rate area ST that displays the pass rate that was also inspected
3 and a statistical table area ST4 for displaying the same statistical contents as the conventional one in the same manner as the conventional one are combined and provided for each of the above-mentioned assembly lines.

Here, the hierarchical structure of the application program in the embodiment of the present invention will be briefly described. This application program is a terminal device P
It is a higher-level user program that inputs the quality information QC in C1 and PC2 and reports it to the quality control system SYS. In the middle of the disk operating system DOS that is executed via the shell by individual commands,
Further, it has a basic input / output system BIOS or the like which is instructed to perform interrupt processing by a software interrupt instruction INT, and calls a video service function that handles a display device as needed to pass an arbitrary coefficient to the BIOS. At the same time, it is possible to execute a process of directly exchanging desired information with the image and graphic storage units IM and FM.

The basic input / output system BIOS has an image generating function for generating and developing a predetermined bit pattern from the above-mentioned code information at an arbitrary position on the display screen.
Similarly, a reading function for reading the above-mentioned image information at an arbitrary position and identifying the attribute of this image information, and a writing function for writing the above-mentioned image information processed in the application program at the same arbitrary position together with the attribute. Are preliminarily provided with the respective tasks to execute on the image storage unit.

That is, these tasks control a bitmap memory (not shown) included in the image storage section, and directly access the bitmap memory while scanning a predetermined range of addresses. The image and color of the display screen are partially read or rewritten, and the above-mentioned emphasized screen is created to create this bitmap
It can be stored in memory.

FIG. 2 is an example of a flow chart showing the display 2 stage 4a in FIG. 1 in detail. FIG. 2 (a) is an interrupting means, FIG. 2 (b) is an updating means, and FIG. 2 (c). Indicates the flow of executing each process of the input means, and the connector b
1 and b2 indicate that when the respective start conditions are not satisfied, the subsequent flow is branched and the next means is executed.
Note that (return) is a return destination where the flow is branched after the processing by each means is completed and when bypassing is performed on the way.

Although the respective processes are executed in the same manner for each assembling line, they will be omitted for the sake of easy understanding and will be described for one assembling line. In FIG. 2A, first, the start condition of the determination process 71 is that the timer on the software has finished counting the predetermined time, and in this case, another interrupt having the same priority or a low priority is used. , A response for accepting the interrupt of the above-mentioned timer is returned, the timer reset processing 72 for resetting this timer and starting counting again is executed.

Next, the execution condition of the judgment processing 73 is that the content of the above-mentioned current pass rate register GR1 is different from the content of the previous pass rate register GR2, and in this case, the above-mentioned flag is set. Flag F1 that sets F1
The setting process 74, and the new display screens TLa and STa before and after emphasis as described above
Above, the area setting process 75 for setting the respective area addresses where the display contents are displayed is executed in this order.
When this execution condition is not satisfied, the subsequent processing in this means is bypassed.

Subsequently, the execution condition of the judgment processing 76 is that the content of the current pass rate register GR1 is smaller than the content of the target value register MR described above. A red process 77 for instructing to display the rate area ST3 in red characters is executed. When this execution condition is not satisfied, a blue processing 78 for displaying the pass rate area ST3 in blue characters is executed.

Finally, a pass rate display process 78 is executed to issue a shell command for displaying the new title and the respective information in the statistical table areas TLa and STa on the display screen before emphasizing. The respective processes in the interruption means 7 have been completed. In addition, red,
As for the character color in the blue processing, red and blue may be exchanged, or green or other colors may be combined and color-coded.

In the updating means of FIG. 2B, first, the starting condition of the judgment processing 81 is that the flag F1 has been set. In this case, the flag F1 is reset and the flag F2 is set. The F1F2 setting process 82 is executed, and then, in the new display screen, the image information to be emphasized is taken in and the erasing process 83 for erasing a predetermined partial area is executed.

Finally, the execution condition of the judgment processing 84 is that the above-mentioned partial area covers all unnecessary areas on the new display screen.
When each processing in the updating means is completed and the execution condition is not satisfied, the partial area is sequentially updated to the next partial area, and the erasing processing 83 is executed again. There is.

In the input means shown in FIG. 2C, first, the condition for starting the judgment processing 91 is that the flag F2 has been set. At this time, the flag F2 cancellation processing 92 for resetting the flag F2 is executed. Then, the above-mentioned image information to be emphasized is emphasized, and an emphasis process 93 for displaying the emphasized image information in a predetermined partial area on the new display screen erased as described above is executed. ing.

Finally, the execution condition of the judgment processing 94 is that the partial area in the emphasis processing described above covers all the areas to be emphasized in the new display screen. When the respective processing in the input means is completed and the execution condition is not satisfied, the partial area is updated to the next partial area in sequence, and the emphasis processing 93 is executed again. ing.

FIG. 3 is a partial explanation of the updating and inputting means in FIG. 2, and FIG. 3A shows the erasing process.
FIG. 3B shows the emphasis process in detail. Figure 3 (a)
In the erasing process 83, first, a partial area to be accessed in the image storage unit IM is set in a general-purpose register (not shown), and the software interrupt instruction INT described above is set.
Is issued to the BIOS, the above-mentioned reading function is called, and the FI1 process 831 for transferring partial image information in this area from the image storage unit IM to the application program AP is executed.

Next, the execution condition in the judgment processing 832 is that the above-mentioned partial image information should be emphasized. In this case, this partial image information is added to the above-mentioned graphic storage unit. The storage processing 833 for storing in the FM and the inversion processing 834 for inverting this partial image information are executed in this order, and when the above execution conditions are not satisfied, this storage processing 833 is bypassed.

Finally, the partial area is set again in a general register (not shown), the above-mentioned software interrupt instruction INT is issued to the BIOS, the above-mentioned write function is called, and as described above in this area. The PI1 process 835 for transferring the partial image information inverted to the above together with the attribute from the application program AP to the image storage unit IM is executed, and each process in the erasing process 83 is completed. 830 and 83
9 is a connector.

In FIG. 3B, the emphasizing process 93 first executes the enlarging process 931 for enlarging the partial image information stored in the graphic storage unit FM vertically and horizontally at a predetermined enlargement ratio as described above. Next, a partial area to be accessed in the image storage unit IM is set in a general-purpose register (not shown), and the software interrupt instruction INT described above is stored in the BIO.
S, and calls the above-mentioned writing function, and the partial image information enlarged as described above in this area together with its attributes is stored in the application program AP.
From the PI2 process 932 transferred from the above to the image storage unit IM
Has been executed, and each processing in this emphasis processing 93 has been completed.

At this time, instead of the enlargement processing described above,
Alternatively, the image may be enlarged only in the horizontal direction, the font may be changed, the brightness may be increased, or the screen may be shaded, or the image may be displayed vertically. Incidentally, 930 and 939 are connectors.

Therefore, the application program A
Calling BIOS in the background of P, automatically importing user-defined characters, graphic data, etc. from the image storage section IM as a figure pattern into the figure storage section FM,
It is possible to uniformly magnify and display in bit units without distinguishing each.

The present invention is not limited to the above-described embodiments. For example, even if a display device for highlighting and displaying is provided in an input terminal device, it can be used as an output or display-only terminal device. It may be provided, or each of the input, output, and transfer files can be divided by itself,
It may be partially transferred to a terminal device and used locally if necessary. Also, interrupt, update,
The order of the respective processes in the input means and the input means is not limited to this, and may be exchanged with each other as necessary. Further, it goes without saying that various modifications can be made without departing from the scope of the present invention, such as the fact that it may be carried out in a general production factory other than vehicle manufacturing.

[0041]

As described above, the present invention has the following effects. 1. You can update the quality information of the previous time every predetermined time and automatically display these in real time.
The operator does not need to instruct the terminal device and the display device to create and display the statistical table at that time, and can concentrate on the original inspection work. 2. Further, in a large number of processes of the assembly and inspection lines which are installed in a wide range in an actual production factory, it is possible to mutually recognize the progress of each work, which encourages the work of each operator. . 3. Furthermore, since the numerical value of the passing rate, which is most interesting to many operators, can be expanded and compared with the target value for each inspection line, whether or not the target can be achieved can be colored and displayed. Each operator can read the achievement status without error at a glance. 1. Through 3. Thus, in a quality control system of a production factory, many operators can immediately and clearly perceive quality information.

[Brief description of drawings]

FIG. 1 is a diagram illustrating a method of the present invention.

FIG. 2 is a flowchart specifically showing each means in FIG. 1 (a).

FIG. 3 is a flowchart partially showing in detail FIG. 2 (b) and FIG. 2 (c).

FIG. 4 is a diagram illustrating a conventional method.

[Explanation of symbols]

7 ・ ・ ・ ・ ・ ・ ・ ・ Interrupting means 8 ・ ・ ・
..Update means 9 ......... Input means 4a ..
..Two stages of display PC1, PC2 ... Terminal device SV ...
..Server 6a ..... Title area 7a ..
..Statistics area IM ... Image memory FM ...
..Text memory IF ..... Input file

Claims (3)

[Claims] 1. A method of displaying quality information on a display device in an assembly and inspection line of a production factory, wherein the quality information is first compared with a target value of the quality information,
The interruption means for holding the comparison result as described above is provided, the updating means for erasing the predetermined screen area according to the result is provided if necessary, and finally the predetermined display content is required according to the result. A method of displaying quality information, characterized in that the quality information is emphasized in accordance with the above, and the quality information is emphasized and displayed so that a plurality of operators can perceive it. 2. The updating means accesses the basic input / output system by using a software interrupt instruction and directly updates the image information to be displayed. How to display quality information. 3. The input device according to claim 1, wherein the input means uses a software interrupt command to access the basic input / output system to directly update the image information to be displayed. The method of displaying the quality information according to item 2.