JPH03154752A - Production control counter device - Google Patents

Abstract

PURPOSE:To obtain a production control counter device enabling concrete and accurate production control by computing the present production pace, comparing this with the target production pace, and displaying its slippage, as well as estimating/displaying the work terminating time. CONSTITUTION:There are provided with a target setting input means 2, a storage means 3, an intermediate production number simulating means 4, an actual production number input means 5, and an internal clock 6. On the basis of the actual production number inputted by the actual production number input means 5 and the elapsed time at present, the estimated production number and the actual cycle time per unit product at the present time are computed to compare the actual production number with the estimated production number at the present time. The obtained difference is outputted together with the compared result, and the termination estimated time is computed from the actual cycle time and outputted by a comparative arithmetic output means 7. The estimated production number, actual production number, difference between the estimated and actual production numbers all at the present time as well as the termination estimated time are then displayed selectively by a display means 8.

Description

[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to a factory automation system (so-called FA).
This invention relates to a production control counter device that manages production quantity, production time, etc., recognizes the progress status, and sequentially displays and outputs each piece of information at a production site such as the following.

[Conventional technology]

2. Description of the Related Art Devices that manage and display production quantities and production times at production sites have long existed.

For example, the production control display device disclosed in Japanese Patent Application Laid-Open No. 61-249252 is capable of setting a production target quantity and displaying it, as well as detecting and counting the actual production quantity and displaying it. This is what I did.

With such a production control display device, it is possible to simultaneously display the final target production quantity and the current actual production quantity, thereby confirming the progress of production.

[Problem to be solved by the invention]

However, with the above-mentioned device, only the preset target production number and the counted actual production number are displayed.
Current progress needs to be extrapolated from these numbers.

In other words, it is effective in production management to display the difference between the current production pace and the target production pace in order to understand work delays and problems in the work process as the current progress status. There is no way to display it.

In addition, the above-mentioned device does not have a means to predict and display the end time to achieve the target production quantity at the current production pace, which makes it difficult to grasp production management concretely and accurately. The problem is that it is difficult to

In view of these problems, the present invention calculates the current production pace, compares it with the target production pace, displays the deviation, and predicts and displays the work end time, thereby making it possible to calculate the current production pace. Another object of the present invention is to provide a production control counter device that enables accurate production control.

[Means to solve the problem]

In order to achieve the above object, the present invention comprises a target setting input means for setting a target production quantity and a production time period, and a storage means for storing the target production quantity and production time period set by the target setting input means. , intermediate production quantity simulating means for calculating the planned production time and planned cycle time per unit product from the target production quantity and production time zone stored in the storage means, and an actual production quantity for sequentially inputting the current actual production quantity. Based on the number input means, an internal clock that manages the current time, and the actual production quantity input by the actual production quantity input means and the current elapsed time, the planned production quantity and the actual cycle time per unit of actual product at the current time are calculated. a comparison calculation output means for calculating and outputting a predicted end time from the actual cycle time, comparing the actual production quantity and the planned production quantity at the current time, and outputting the difference together with the comparison result; and the current time. A production control counter device comprising display means for selectively displaying the planned production quantity at the current time, the actual production quantity at the current time, the difference between the planned production quantity and the actual production quantity at the current time, and the predicted end time. .

Here, as a display means, a two-color lighting type 7-segment L
ED can be used.

[For production]

The production control counter device according to the present invention is configured as described above, and simulates the target production pace according to the target production number set by the target setting input means, and displays and outputs the deviation from the actual production pace at the current time. , and also calculates and displays the predicted end time.

〔Example〕

The details of the present invention will be explained based on illustrated embodiments.

FIG. 1 is a complaint correspondence diagram of the production control counter device according to the present invention.

That is, the production control counter device 1 of the present invention includes a target setting input means 2 for setting a target production quantity and a production time period, and a memory for storing the target production quantity and production time period set by the target setting input means 2. means 3; intermediate production quantity simulating means 4 for calculating the planned production time and planned cycle time per unit product from the target production quantity and production time zone stored in the storage means 3; Based on the actual production quantity input means 5 to be input, the internal clock 6 for managing the current time, and the actual production quantity inputted by the actual production quantity input means 5 and the current elapsed time, the planned production quantity and the number at the current time are calculated. Calculates the actual cycle time per unit product, compares the actual production quantity with the planned production quantity at the current time, outputs the difference together with the comparison result, and calculates and outputs the predicted end time from the actual cycle time. It has a comparison calculation output means 7, and a display means 8 that selectively displays the planned production quantity at the current time, the actual production quantity at the current time, the difference between the planned production quantity and the actual production quantity at the current time, and the scheduled end time. It is something.

FIG. 2 is a simplified block diagram of an embodiment of the invention.

Reference numeral 9 denotes a setting input device for inputting the target production quantity, production time period, etc., and is composed of, for example, a numeric keypad, push button switches, toggle switches, etc.

IO is a target production number memory in which the target production number A inputted from the setting input device 9 is stored, and 11 is a production time zone memory in which the production time zone B inputted in the same manner is stored.

The target production number memory 10 and the production time period memory 11 can use volatile memory (so-called RAM).
Static RAM, dynamic RAM, etc. can both be used.

Reference numeral 12 denotes an intermediate production quantity simulation circuit, which calculates the scheduled production time C and the cycle time D per unit product from the target production quantity A and the production time zone B in the target production quantity memory 10 and the production time zone memory 11.

Further, the simulation circuit 12 calculates the elapsed time E from the input of the start human power S, and calculates the planned production quantity F (=E/D) at the current time.

13, the actual production quantity G at the current time is inputted sequentially,
This is a comparison circuit that compares the planned production quantity F at the current time calculated by the simulator circuit 12.

This comparison circuit 13 calculates the difference H between the actual production quantity G and the planned production quantity F at the current time, and, together with the result of the size comparison,
It is output to the display section 14.

Further, the comparison circuit 13 determines the actual cycle time J (=E/G) per unit product, calculates the predicted end time K for achieving the target production quantity A, and outputs it to the display section 14.

15 is an internal clock that manages the current time, and an LSI chip for a clock can be used.

The display unit 14 displays the actual production number G output from the comparison circuit 13.
, the planned production quantity F at the current time, the difference H between the actual production quantity G and the planned production quantity F at the current time, the predicted end time, etc. display board, electroluminescence,
It is possible to use a fluorescent display tube or other display means.

Reference numeral 16 denotes a pace delay alarm number memory, which stores the number of delay alarms inputted from the setting input device 9. When the actual production quantity G falls below the scheduled production quantity F at the current time by more than the number of delay alarms. In addition, the comparator circuit 13 can be set to issue a delay alarm.

FIG. 3 is a flowchart of an embodiment of the present invention, and FIG. 4 is a graph showing an example of changes in production quantity over time.

The target production quantity A and the production time slot B inputted from the setting input device 9 are stored in the target production quantity memo IJIO and the production time slot memory 11, and the planned production is calculated based on the end time and start time of the production time slot B. Time C is calculated.

Next, the planned cycle time D per unit product is D=
It is given as C/A.

The elapsed time E after the start human power S is input is calculated from the current time obtained from the internal clock 15, and the planned production quantity F at the current time is determined by F=E/D.

The comparison circuit 13 has a scheduled cycle time D, an elapsed time E,
The planned production quantity F, actual production quantity G, etc. at the current time are input, and from this, the comparison circuit 13 calculates the planned production quantity F and the actual production quantity G.
The difference H between the two is calculated as H=G−F.

When the difference H between the production numbers is 0 or more, it is displayed that the actual production number G exceeds the target pace, and when H is negative,
Displays the fact that it is below the target base and is behind.

For example, if a 7-segment LED with two-color lighting of green and red is used as the display unit 14, a green display is performed when H is 0 or more, and a red display is performed when H is negative. specify.

In this way, the deviation H in the production quantity is displayed on the display unit 14 together with the comparison result between the planned production quantity F and the actual production quantity G.

Next, the remaining production quantity I is determined by I=A-G, and the actual cycle time J per unit product up to the current time is determined by J=E/G.

From now on, based on the actual cycle time J at the current time,
The scheduled end time K to achieve the target production quantity A is K=
Find it as IXJ+E and display it.

The comparison result between the planned production quantity F and the actual production quantity G can also be displayed by adding a "-" sign in front of the value when the value of H is negative. When using a display board, it is also possible to display the characters in reverse.

Although not shown in the flowchart of Fig. 3, a delay alarm number is set as necessary, and when the difference H between the actual production quantity G and the planned production quantity F at the current time exceeds L,
It is also possible to set it to generate an alarm.

In addition, the configuration of the present invention is not limited to the embodiment shown here.

〔Effect of the invention〕

The production control counter device according to the present invention has the above-described configuration, and compares target set values such as target production quantity and production time with the actual actual production quantity at a production site such as an FA, and calculates the current production quantity. It determines whether the production status at the time is in good condition with respect to the target, displays this concretely and provides information to the producer, and also displays the predicted end time as necessary. It is something that can be done.

From this, sutra iI! J, l! : Calculate predictions sequentially,
This system notifies producers of information such as specific deviations in production numbers and predicted end times, thereby facilitating smooth management in achieving production targets.

[Brief explanation of the drawing]

Fig. 1 is a complaint correspondence diagram of the production control counter device according to the present invention, Fig. 2 is a simplified block diagram of an embodiment of the present invention, Fig. 3 is a flowchart of the embodiment of the present invention, and Fig. 4 is a diagram of production quantity. It is a graph showing an example of a change over time. ■=Production control counter device, 2: Target setting input means, 3: Storage means, 4: Intermediate production number simulation means, 5: Actual production number input means, 6: Internal clock, 7: Comparison calculation output means, 8: Display means, 9: Setting input device,
10: Target production number memory, ll: Production time zone memory, 12: Intermediate production number simulation circuit, 13: Comparison circuit, 14: Display section, 15: Internal clock, 16: Pace delay alarm number memory. Figure 1 Figure 2 Figure 4 Figure

Claims (1)

[Scope of Claims] 1) A target setting input means for setting a target production quantity and a production time period; a storage means for storing the target production quantity and production time period set by the target setting input means; and the storage means. intermediate production number simulating means for calculating the planned production time and planned cycle time per unit product from the target production number and production time zone stored in the apparatus; and seedling frequency input means for sequentially inputting the current actual production number; Based on an internal clock that manages the current time, the actual production quantity input by the seedling frequency input means, and the current elapsed time, calculate the planned production quantity and the actual cycle time per unit product at the current time, and calculate the actual production quantity and actual cycle time per unit product at the current time. Comparison calculation output means for comparing the production quantity and the planned production quantity at the current time and outputting the difference together with the comparison result, and calculating and outputting the predicted end time from the actual cycle time; A production control counter device comprising: display means for selectively displaying the actual production quantity at a time, the difference between the scheduled production quantity and the actual production quantity at the current time, and a predicted end time. 2) The production control counter device according to claim 1, wherein the display means utilizes a two-color lighting type 7-segment LED.