JPH07334781A - Measurement instruction system - Google Patents

Abstract

(57) [Summary] [Purpose] A measurement system that allows operators who measure various types of products with various measuring means to perform recognition work reliably and efficiently without recognizing the measurement location and misidentifying the indicated dimensions. [Structure] A measurement instruction editing device 2, a measurement instruction device 3, and a communication cable 1, and in response to an instruction request from a keyboard 12, an operator can display measurement points, reference values, and measurement points displayed on a display 11 without using manufacturing drawings. The measurement is performed using the measuring device 17 according to the allowable range, the measurement order and the method, and the measurement result and the determination are displayed on the display 11.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a measurement instruction system for instructing measurement on a wide variety of products that require measurement by a plurality of different measuring means, and more particularly to a center for storing measurement instruction information of an object to be measured. And a terminal device for executing and recording the measurement, and a signal transmission means between the center and the terminal device, which are suitable for promptly recognizing the measurement point of the object to be measured and performing the measurement work efficiently. The present invention relates to a measurement instruction system.

[0002]

2. Description of the Related Art Conventionally, in a workplace for manufacturing a wide variety of products, for example, when a dimension check of an object to be measured shown in a manufacturing drawing is performed, an object to be measured that does not have a plurality of measurement points is a standard of dimensions. The value is stored in memory in advance, the measured value and the reference value are compared, and when the measured value deviates from the predetermined tolerance with respect to the reference value, an alarm is displayed and multiple measurement points are displayed. The object to be measured was measured by a measuring device according to the measurement instruction described in the manufacturing drawing. A measurement instruction system of this type is described in Japanese Patent Application Laid-Open No. 62-106318, "C of measured value.
There is a "RT display method", which is configured to display the measured value and the reference value at the same time and visually compare them.

[0003]

In the prior art, the consideration of the easiness and certainty of carrying out the measurement work at a plurality of measurement points is not sufficient, and the worker can perform the measurement work while looking at the manufacturing drawing instructing the measurement. Therefore, it takes time to search for the manufacturing drawing, and there is a possibility that the measurement location may be erroneously measured only by the instruction by the manufacturing drawing. In addition, since there is no function to automatically collect and check the data measured at multiple measurement points and the operator himself fills in the measured data by comparing it with the indicated dimensions, reading errors and writing errors occur. There was a possibility to do. The present invention reduces the facility and labor required to manage the manufacturing drawings from the measurement site, and in particular, the operator immediately recognizes the measurement point of the object to be measured and eliminates the erroneous recognition of the measurement point and the indicated dimension, which is reliable and efficient. It is an object of the present invention to provide a measurement instruction system capable of performing a measurement operation in a targeted manner. As a technique related to the present invention, a publicly known example in which measurement points are sequentially displayed on the screen and the measurement sequence is executed without omission is disclosed in Japanese Patent Application Laid-Open No. 2-28774. Further, Japanese Patent Laid-Open No. 63-70145 discloses an apparatus main body having a storage device for an actual vehicle test of an automobile,
There is disclosed a work instruction device which is connected to this and comprises a measuring means having an input means and a display means. Further, Japanese Patent Laid-Open No. 4-169818 discloses a technique of storing a measurement result based on a signal from the measuring means and arbitrarily displaying the measurement result stored in the storage means.

[0004]

The present invention has a measurement instruction file in which information necessary for measurement such as a measurement position of an object to be measured and a measurement method is specified and a measurement order and a reference value of the measurement position are stored. The function to display the outline drawing of the object to be measured and the measurement instruction content on the display screen at the same time, and automatically collect the measurement data of the multiple measurement points indicated by the information, determine whether the measurement result is acceptable or not, and The present invention is configured so as to have a function of issuing an alarm, and means for solving the above problems is set forth in the claims. That is, an object of the present invention is to provide a measurement instruction system having a center, a plurality of terminal devices for performing a predetermined measurement operation on an object to be measured, and a signal transmission means for transmitting and receiving a signal between the center and the terminal device. The center includes at least a measurement instruction file that stores measurement instruction information about the object to be measured, a main memory that records transmission / reception information with the terminal device, and a central processing unit that controls execution of each component. An instruction editing device is provided, and the terminal device inputs measurement information necessary for measuring an object to be measured from the measurement instruction information stored in the measurement instruction file by an input unit for inputting information, and an input from the input unit. Recording means for requesting and recording the measurement instruction item including the measurement site and the measurement reference value based on the content of the measurement instruction, and the measurement target item. Terminal display means for displaying on the screen together with the outline drawing, sorting means for sorting the measuring instruments to be used for measuring the DUT by the same model, and the measurement reference value of the measurement site in a predetermined order for each measuring instrument model. Control means for arranging in the above and determining the measurement order, measurement input means for converting the measurement values by the measuring device into an electric signal, recording means for recording the measurement values input by the measurement input means, and the display means for the measurement values A measurement instruction device including: a determination unit that displays the measurement reference value and determines whether the object to be measured is acceptable or not; a printing unit that prints a measurement record; and a control unit that executes operation control for each of the constituent units. Is achieved by a measuring and indicating system.

[0005]

By implementing the present invention, based on a call request from the measurement instruction device to the measurement instruction editing device by the operator,
The content of the measurement instruction data is stored in the main memory of the measurement instruction device from the measurement instruction file of the measurement instruction editing device, and the measurement location, type of measurement device, measurement order for each measurement device, measurement reference value, tolerance, etc. It is possible to call the measurement item and instruction content of the measurement object on the display screen of the measurement instruction device.
The operator can easily perform the measurement work efficiently and confirm the determination of the measurement result without making a mistake in the content of the measurement instruction.

[0006]

Embodiments of the present invention will be described below with reference to the drawings. <Embodiment 1> FIG. 1 is a block diagram showing the configuration of Embodiment 1 of the measurement instruction system of the present invention, and shows a specific command system of this embodiment. In FIG. 1, reference numeral 1 is a communication cable for transferring information, and the plurality of measurement instruction devices 3 are connected to the measurement instruction editing device 2 via the communication cables 1, respectively. The measurement instruction editing device 2 is provided in, for example, a centralized management center, and has a display 4,
It has a keyboard 5, a printer 6, a central processing unit 7, a main memory 8 and a magnetic disk device 9, and a measurement instruction file 10 is stored in the magnetic disk device 9. In the measurement instruction file 10, measurement instruction data for each object to be measured, that is, information about the outer shape such as a front view, a plan view, and a side view, measurement points, reference values, allowable ranges or tolerances, a measurement order and a method are recorded. There is. The measurement instruction device 3 has a display 11, a keyboard 12, a printer 13, a central processing unit 14, and a main memory 15. Further, the measurement instruction device 3 includes a plurality of measuring devices 1 for performing measurement.
7. A communication cable 16 for transferring the measurement result to the measurement instruction device 3 is connected.

Next, a procedure for giving a measurement instruction to an operator by using the measurement instruction system of the first embodiment shown in FIG. Explain. FIG. 2 is a flowchart showing the processing procedure of the measurement instruction editing device 2 of the first embodiment and a chart showing the measurement instruction data. S201: When measurement instruction request data (for example, drawing number) is input from the keyboard 12 of the measurement instruction device 3, the measurement instruction data is sent to the measurement instruction editing device 2 via the communication cable 1, and the measurement instruction data corresponding to the request is sent to the measurement instruction file 10 Extracted from. S202: The measurement instruction data extracted in S201 is transferred to the requested measurement instruction device 3 via the communication cable 1.

FIG. 4 is a table showing the measurement instruction data of the first embodiment. The contents of the measurement instruction will be described with reference to FIG.
In the structure of the measurement data, the first record is assigned with the object number of the object to be measured, the product name and the version number of the object to be measured, and subsequently to the first record, the outer shape information and the measurement information of the object to be measured are assigned. The outer shape information and the measurement information of the object to be measured are sorted according to the item of the data division, the outer shape information of the object to be measured is allocated from the second record, and then the measurement information is allocated all together. Next, each data item of the outer shape information and the measurement information of the object to be measured will be described. The outer shape information of the object to be measured has data of one line of the outer shape for each record. Therefore, as data items, figure type, that is, classification of straight lines, circles, etc., line type, that is, classification of solid lines, broken lines, etc., line width, that is, classification of line thickness, color classification indicating line color, and from the origin The data includes the coordinates of the start and end positions of the straight line, the center position of the circle from the origin, and the radius. Regarding the start position and the end position of the line, when the drawing type is a straight line, the positions of both ends of the line are shown, and when the drawing type is a circle, the starting angle and the ending angle of the circumference are shown.

Next, regarding the measurement information, the measurement order number indicating the measurement order, the symbol φ indicating the hole diameter, the symbol C indicating the chamfer, the reference value of the measurement point, the upper tolerance, the lower tolerance, and the like are used. Position information of measuring instrument, dimension line / leader line, that is, coordinates indicating the start and end positions of the line from the origin, dimension line /
Arrow flag indicating the presence or absence of an arrow at the start or end position of the leader line, the color code 1 of the dimension line / leader line, the start and end positions from the origin for displaying the position information of the dimension extension line, and the color of the dimension extension line When the code 2 and the dimension line and the leader line cannot be represented by a single line, the next record also includes a continuation flag indicating that it is the position information of the dimension line and the leader line at the same measurement location.

FIG. 3 is a flow chart showing a processing procedure of the measurement instruction device 3 of the first embodiment, and a table showing measurement instruction data and measurement information. A processing procedure by the measurement instruction device 3 will be described with reference to FIG. S301: The measurement instruction device 3 stores, in the main memory 15, the measurement instruction data extracted by the process S201 of the measurement instruction editing device 2 and sent via the communication cable 1. S302: The data of the measurement information is rearranged by the same measuring device with reference to the data section of the measurement instruction data stored in the main memory 15 in S301. S303: The data of the measurement information rearranged in the same measuring instrument order in S302 is rearranged in each measuring instrument and in a predetermined order (ascending order or descending order) of the reference value to determine the measuring order. S304: The outer shape of the measured object is displayed on the display 11 based on the data of the outer shape information of the measured object with reference to the data section of the measurement instruction data. S305: Next, referring to the data section of the measurement instruction data, the measurement points are displayed one by one in accordance with the measurement order determined in S303 from the data of the measurement information, and displayed on the outer shape of the object to be measured displayed on the display 11, The reference value, the tolerance, and the measuring instrument at the measurement point are displayed. FIG. 5 shows the first embodiment.
It is a figure which shows the display screen by the display 11 of the measurement instruction | indication apparatus 3 of FIG. The measurement instruction displayed on the display 11 will be described with reference to FIG. The figure number and product name of the DUT displayed on the screen are displayed in the upper left part of the screen. At the center of the screen, the outer shape of the object to be measured is displayed by trigonometry. Further, the dimension indicating the measurement point and the measurement order No. are displayed, and the reference value, the tolerance, the measuring instrument and the measurement result of the measurement point are displayed as measurement information in the upper right part of the screen. In addition, a message field for giving necessary instructions to the operator is provided at the bottom of the screen. Further, FIG. 6 shows the first embodiment.
FIG. 6 is a diagram showing a display screen of a display 11 of the measurement instruction device 3 following FIG.

S306: The operator looks at the measurement instruction screen described with reference to FIG. 5, and from the measuring instruments 17 connected to the measurement instruction device 3 via the communication cable 16, the measurement displayed on the measurement instruction screen. Select a vessel and measure the dimensions of the designated measurement point. S307: The measured result is transferred to the measurement instruction device 3 via the communication cable 16. S308: The measurement instruction device 3 displays the measurement result sent through the communication cable 16 in S307 in the measurement result column of the display 11. S309: Further, the measurement instructing device 3 compares the measurement result in S307 with the corresponding reference value and tolerance of the measurement instructing data, and judges pass / fail. S310: When the measured value is within the reference value and the tolerance, the measurement point, the reference value, the tolerance, the measuring instrument, and the measurement result displayed on the display 11 are deleted, and the instruction of the next measurement point shown in FIG. 6 is given. Display the screen. S311: If the measured value is out of the reference value or tolerance, a message is displayed in the message field of the display 11 to inquire of the operator whether to register the defect or to perform the remeasurement. If you select the defect registration, the measurement result is NG.
Then, the process returns to S310 to display the next measurement instruction portion shown in FIG. S312: If re-measurement is selected, display 11
Delete the measurement result displayed in. S313: Repeat until all measurement points by the measurement instruction data are measured.

As described above, according to the first embodiment, the outer shape of the object to be measured is displayed on the screen by trigonometry by a simple key input, and the measurement order is taken into consideration in consideration of work efficiency, and measurement instructions are given one by one on the screen. By doing so, it is not necessary to prepare manufacturing drawings at the measurement site, the operator can clearly recognize the measurement location and prevent measurement errors due to misidentification, etc., and immediately compare the measurement result with the reference value. It is possible to eliminate the erroneous reading of dimensions and the entry of measurement results on check sheets. The measurement record can be printed using the printer 13.

<Second Embodiment> A second embodiment of the present invention will be described with reference to FIG. In the first embodiment, the measurement instruction editing device 2 and the plurality of measurement instruction devices 3 were connected by the communication cable 1, but in the second embodiment, the measurement instruction editing device 2 and the plurality of measurement instruction devices 3 are connected as shown in FIG. Are configured to transmit and receive data by the wireless transceiver 33. As a result, since the measurement instruction device 3 does not need a communication cable, it can be carried to any place, and the measurement place can be moved within a range where wireless transmission and reception is possible. The processing steps are the same as in the first embodiment.

<Third Embodiment> A third embodiment of the present invention will be described with reference to FIG. In the third embodiment, as shown in FIG. 8, the measurement instruction data from the measurement instruction editing device 2 to the plurality of measurement instruction devices 3 is transferred by the drive device 34 of the portable storage medium (eg floppy disk) of the measurement instruction editing device 2. The data is written in this portable storage medium and read by the portable storage medium driving device 34 of the measurement instruction device 3. As a result, the measurement instruction device 3 does not need a communication cable, and thus can move to an arbitrary place and select a measurement place. The processing steps are the same as in the first embodiment.

In the first embodiment, the measurement instruction data for giving the measurement instruction to the operator is described for the object to be measured for the dimension measurement. However, in any of the first to third embodiments, if only the dimension measurement is performed. Instead, it can also be applied to the measurement and quality inspection of single or assembled products consisting of measured values displayed in time, weight, or multiple dimensions. The "input means" according to claim 1 corresponds to, for example, the keyboard 12 of the embodiment, "a recording means for recording the content of the measurement instruction necessary for measuring the object to be measured", and "the measurement input means". The "recording means for recording the measurement value input by" corresponds to, for example, the main memory 15 of the embodiment, and "measurement instruction items including the measurement site and the measurement reference value based on the content of the measurement instruction are associated with the object to be measured." The terminal display means for displaying on the screen together with the outline drawing of "corresponds to the display 11 of the embodiment, for example," selection means for selecting the measuring instruments to be used for measuring the object to be measured by the same model ", Arrangement of the measurement reference value of the measurement site in a predetermined order for each model of the measuring device, control means for determining the measurement order "," display the measurement value on the display means, to compare with the measurement reference value The pass / fail of the DUT The "determining means" and the "control means for executing operation control for each of the constituent means" correspond to, for example, the central processing unit 14 of the embodiment, and "convert the measured value by the measuring device into an electric signal." The "measurement input means" corresponds to, for example, the communication cable 16 of the embodiment. As described above, the present invention utilizes the storage means of each level such as the measurement instruction file 10 provided in the center 40, the main memory 8 and the main memory 15 provided in the terminal device 50 as shown in the embodiment. Without being limited to the above embodiment, for example, lot management, that is, leaving the manufacturing line, comparing the measurement record of shipped goods with the data currently being measured, lot-producing a plurality of measured objects. It is extremely effective for creating statistical data on the measured values at the same measurement points and providing quality control samples based on them.

[0016]

By implementing the present invention, in a measurement instruction system for instructing measurement on a wide variety of products requiring measurement by a plurality of different measuring means, management of manufacturing drawings at the measurement site is reduced, and measurement instructions are reduced. It is possible to provide a measurement instruction system that allows the operator to immediately recognize the measurement point of the DUT by measuring the drawing graphically and eliminate the erroneous recognition of the measurement point and the indicated dimension, and to perform the measurement work reliably and efficiently. In addition, it has secondary effects such as cost reduction by making paperless.

[Brief description of drawings]

FIG. 1 is a block diagram showing a configuration of a first embodiment of a measurement instruction system of the present invention.

2A and 2B are a flowchart showing a processing procedure of the measurement instruction editing device of the first embodiment and a table showing measurement instruction data.

3A and 3B are a flowchart showing a processing procedure of the measurement instruction apparatus of the first embodiment, and a table showing measurement instruction data and measurement information.

FIG. 4 is a chart showing measurement instruction data according to the first embodiment.

FIG. 5 is a diagram showing a display screen on the display of the measurement instruction device according to the first embodiment.

FIG. 6 is a diagram showing a display screen continued from FIG. 5 on the display of the measurement instruction device according to the first embodiment.

FIG. 7 is a block diagram showing the configuration of a second embodiment of the measurement instruction system of the present invention.

FIG. 8 is a block diagram showing the configuration of a third embodiment of the measurement instruction system of the present invention.

[Explanation of symbols]

1, 16 ... Communication cable 2 ... Measurement instruction editing device 3 ... Measurement instruction device 4, 11 ... Display 5, 12 ... Keyboard 6, 13 ... Printer 7, 14 ... Central processing unit 8, 15 ... Main memory 9 ... Magnetic disk device 10 ... Measurement instruction file 17 ... Measuring instrument 33 ...
Radio transmitter / receiver 34 ... Portable storage medium drive 40 ... Center 50 ...
Terminal devices S201 to S202, S301 to S313 ... Processing steps

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Yukinari Matsuo 216 Totsuka-cho, Totsuka-ku, Yokohama-shi, Kanagawa Hitachi, Ltd. Information & Communication Division (72) Yoshio Miyawaki 216 Totsuka-cho, Totsuka-ku, Yokohama-shi, Kanagawa Hitachi, Ltd., Information & Communication Division (72) Inventor, Yoshio Tamura, 216 Totsuka-cho, Totsuka-ku, Yokohama, Kanagawa Prefecture, Ltd., Information & Communications Division, Hitachi, Ltd. (72) Kenshi Shimodo, Toshizuka, Totsuka-ku, Yokohama-shi, Kanagawa 216 Hitachi Ltd., Information & Communication Division, Hitachi Ltd. (72) Inventor Akio Tatara, Totsuka-cho, Totsuka-ku, Yokohama, Kanagawa Prefecture 216, Ltd., Information & Communications Division, Hitachi, Ltd. Toshio Murayama Totsuka-ku, Yokohama-shi, Kanagawa 216 Totsuka-cho Incorporated company Hitachi Ltd. Information & Communication Division

Claims (3)

[Claims] 1. A measurement instruction system having a center, a plurality of terminal devices for performing a predetermined measurement operation on an object to be measured, and a signal transmission means for transmitting and receiving a signal between the center and the terminal device. The center includes at least a measurement instruction file that stores measurement instruction information related to the DUT, a main memory that records transmission / reception information with the terminal device, and a central processing unit that controls execution of each component. The terminal device includes an input unit for inputting information, and requests the measurement instruction content necessary for measurement of the object to be measured from the measurement instruction information stored in the measurement instruction file, by the input unit for inputting information. , Recording means for recording this, measurement instruction items including a measurement site and a measurement reference value based on the measurement instruction content, and an outer shape of the object to be measured. Terminal display means for displaying on the screen together with, sorting means for sorting the measuring instruments to be used for measuring the DUT by the same model, arranging the measurement reference values of the measurement site in a predetermined order for each model of the measuring instrument Control means for determining the measurement order, measurement input means for converting the measurement values by the measuring device into an electric signal, recording means for recording the measurement values input by the measurement input means, and displaying the measurement values on the display means. However, a measurement instruction device including a determination unit that determines whether the object to be measured is acceptable or not by comparing with the measurement reference value, a printing unit that prints a measurement record, and a control unit that executes operation control for each of the constituent units is provided. A measurement instruction system characterized by: 2. The measurement instruction system according to claim 1, wherein the signal transmission means uses a radio signal. 3. The measurement instruction system according to claim 1, wherein the signal transmission means is a portable storage medium.