JP2002310733A - Bar code displaying device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To permit elimination of misreading and improve work reliability. SOLUTION: The bar code displaying device 10 is provided, in which an analog signal input is indicated with a bar code. In this condition, the work that reads the bar code by a recording mobile instrument 20 with a bar code scanner is performed.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a bar code display device which displays a value indicated by an analog signal input from a sensor or the like as a bar code.

[0002]

2. Description of the Related Art For example, analog meters which cannot be generally monitored online, such as power meters and factory-site meters,
Or, for digital instruments, for which the cost of going online is not incurred, as a check work, the display value on the indicator instrument section indicating the scale on the scale or on the digital display section that digitally displays numerical values is periodically checked by humans. The read and obtained indication values are recorded.

[0003] Here, of the inspection work, the work to be recorded is performed by inputting the indicated value to a compact and high-performance mobile terminal in accordance with recent progress of IT (Information Technology) related technology, so that the indicated value is electronically recorded. And stored. As described above, the recording operation is efficiently performed by deviating from the form of writing on the recording paper.

[0004]

However, in the inspection work described above, since the reading work is performed by a human, there is a possibility that a reading error or the like may occur. In addition, when recording on a mobile terminal, there is a possibility that a recording error may occur by mistake in recording as a reading of a different instrument. The present invention has been made in consideration of the above circumstances, and has as its object to provide a barcode display device that can eliminate reading errors and improve the reliability of work.

Another object of the present invention is to provide a bar code display device capable of eliminating recording errors and improving the reliability of work.

[0006]

The gist of the present invention is that a recording operation using a well-known bar code scanner is performed by adding a function of displaying a bar code of an indicated value to a conventional pointer instrument unit or a digital display unit. It is an object of the present invention to eliminate the possibility of a reading error or a recording error caused by a human, and to improve the reliability of the operation.

[0007] The method of addition includes two types: an integrated type and a separate type.
There are two methods. The integrated system is a conventional pointer instrument or digital display, and the barcode display function of the present invention,
Is provided integrally in one housing, and is suitable for new installation.

The separate type system is a system in which a meter having only the barcode display function of the present invention is separately provided from a conventional meter having a pointer gauge unit or a digital display unit, and is suitable for additional mounting. Specifically, the input analog signal is electrically input in parallel to the conventional meter and the meter of the present invention.

On the basis of the gist of the present invention as described above, the following means are specifically taken. A first invention is a barcode display device that displays a value indicated by an input analog signal by a barcode. Therefore, by reading a barcode by a mobile device equipped with a barcode scanner, reading errors can be eliminated, and the reliability of the operation can be improved.

According to a second aspect of the present invention, there is provided a bar code display device according to the first aspect, wherein identification data setting means in which identification data of the value is set in advance;
A / D conversion means for performing D conversion, bar code conversion means for performing bar code conversion of the conversion result by the A / D conversion means and identification data in the signal identification means, and bar code conversion result by the bar code conversion means And a bar code display means for displaying a bar code based on the bar code.

Thus, in addition to the operation of the first invention, since the reading operation can be performed together with the identification data, a recording error can be eliminated, and the reliability of the operation can be further improved.

According to a third aspect of the present invention, there is provided a bar code display device according to the first or second aspect, further comprising a fixed scale plate and a pointer whose direction can be changed on the scale plate. The bar code display device further includes an instruction unit for instructing a value on the scale plate by changing a direction of the pointer based on the direction.

Thus, in addition to the operation of the first or second aspect of the present invention, the value read by the bar code scanner can be compared with the indicated value indicated by the pointer if desired, so that the reliability of recording can be improved. .

[0014]

Embodiments of the present invention will be described below with reference to the drawings. (First Embodiment) FIG. 1 is a schematic view showing the appearance of an integrated barcode display device and a recording mobile device according to a first embodiment of the present invention, and FIG. It is a schematic diagram which shows the peripheral structure.

Here, the bar code display device 10 is used by being connected to the sensor S, and has an input processing unit 11, a conventional instruction unit 12, an A / D conversion unit 13, a signal identification unit 14, a bar code conversion unit 15, A bar code display 16 is provided.

The input processing unit 11 has a function of transmitting a detection signal input from the sensor S to both the conventional instruction unit 12 and the A / D conversion unit 13 in parallel. Here, the detection signal is an analog signal, for example, a standard signal such as 4-20 mA DC or 1-5 VDC generated by the sensor S can be applied.

As shown in FIG. 1, for example, the conventional indicator 12 has a fixed scale plate 12a and a pointer 12b whose direction can be changed on the scale plate 12a, and based on a detection signal received from the input processor 11. By changing the direction of the pointer 12b, the value is indicated on the scale plate 12a, which is the same as that of a conventional pointer instrument unit.

However, the conventional indicating section 12 is not limited to the conventional pointer instrument section, but may be a conventional analog display section for digitally displaying a numerical value based on a detection signal received from the input processing section 11.

The A / D converter 13 has a function of A / D converting a detection signal received from the input processor 11 and transmitting the obtained digital signal to the bar code converter 15.

The signal discriminating section 14 is for setting discriminating data for discriminating a value indicated by the detection signal in advance.
This identification data can be read from the barcode conversion unit 15. Here, the identification data may have any content as long as the data can identify the value indicated by the detection signal. For example, the identification data of the sensor S, the identification data of the detection target of the sensor S, or the identification data of the barcode display device 10 may be used. Identification data and the like can be used as appropriate.

The bar code conversion section 15 is an A / D conversion section 1
3 has a function of performing bar code conversion on the conversion result and the identification data in the signal identification unit 14, and transmitting the obtained conversion result to the bar code display unit 16. here,
Barcode conversion is performed by JAN-Code (Japanese Artic
le Number Code: Japanese product classification code).

The bar code display section 16 displays a bar code based on the bar code conversion result sent from the bar code conversion section 15. For example, as shown in FIG. It has a function of displaying a signal number based on data and an indication value based on a digital signal from the A / D converter 13 in parallel.

Here, the bar code displayed by the bar code display section 16 can be read from the outside by the recording mobile device 20.

The recording mobile device 20 is a small terminal that can be carried by an operator, and has a function of reading a barcode via a barcode scanner, a function of displaying a signal number and an indicated value of a reading result, and It has a function of saving the indicated value based on the displayed signal number by pressing the confirmation button.

Next, the operation of the bar code display device configured as described above will be described. The sensor S detects a detection target in accordance with its own detection function, and sends the obtained detection signal to the barcode display device 10. Barcode display device 1
At 0, the input processing unit 11 sends this detection signal to both the conventional instruction unit 12 and the A / D conversion unit 13 in parallel.

The conventional indicating unit 12 changes the direction of the pointer 12b based on the detection signal, and indicates a value on the scale plate 12a.

On the other hand, the A / D converter 13 converts the detection signal to A
The digital signal obtained by the / D conversion is sent to the barcode conversion unit 15.

The A / D converter 1 is a bar code converter.
3 and the identification data in the signal identification unit 14 are converted into bar codes, and the obtained conversion results are sent to the bar code display unit 16.

Based on the bar code conversion result, the bar code display unit 16 parallelizes the signal number based on the identification data from the signal identification unit 14 and the indication value based on the digital signal from the A / D conversion unit 13. To be displayed.

In this state, the recording mobile device 20
The bar code is carried by the operator and read by the operator through a bar code scanner to read the bar code on the bar code display section 16 and display the read signal number and the indicated value.

Thereafter, when the confirmation button is pressed, the recording mobile device 20 stores the indicated value according to the displayed signal number.

If desired, the recording mobile device 20
May be appropriately compared with the instruction content of the conventional instruction unit 12 and confirmed before the pressing operation of the confirmation button.

As described above, according to the present embodiment, a reading error can be eliminated by the operation of reading a barcode by a mobile device equipped with a barcode scanner.
Work reliability can be improved.

Further, since the reading operation can be performed together with the identification data, a recording error can be eliminated.
The reliability of the operation can be further improved.

Further, since the read content of the recording mobile device 20 can be compared with the indicated value indicated by the conventional indicating unit 12, the reliability of the recording can be improved.

Further, according to the present embodiment, since a standardized barcode is used, an arbitrary mobile terminal for recording can be used, and high versatility can be realized.

Further, according to the present embodiment, the reading is completed instantaneously by the barcode scanner, so that the reading time can be reduced. Further, since the data is read by the barcode scanner, the data can be completely connected to the recording mobile device 20.

(Second Embodiment) FIG. 4 is a schematic view showing the appearance of a separate bar code display device according to a second embodiment of the present invention, and FIG. FIG. 4 is a schematic diagram showing the configuration, in which the same parts as those in FIGS. 1 to 3 are denoted by the same reference numerals, detailed description thereof will be omitted, and different parts will be mainly described here.

That is, the present embodiment shows a separate type bar code display device 10a. Specifically, the present embodiment has a configuration in which the above-described conventional instruction unit 12 is omitted.
Conventionally, a detection signal from the sensor S is electrically input in parallel to the indicator 21 and the barcode display device 10a and used.

The detection signal from the sensor S may be input from the sensor S to each of the two 21 and 10a, but here, the signal line 2 is connected from the input terminal 21t of the conventional indicator 21.
2 to the input processing unit 11a.

The input processing section 11a has a function of transmitting a detection signal input from the sensor S to the A / D conversion section 13. The conventional indicator 21 displays an indicated value on the basis of a detection signal from a sensor by means of a pointer instrument unit indicated by a pointer on a scale plate or a digital display unit for digitally displaying a numerical value.

With the above-described configuration, the effects of the first embodiment can be obtained, and furthermore, the present invention can be realized only by connecting the barcode display device 10a in parallel with the conventional indicating instrument. It can be easily applied and can be provided at low cost.

The bar code display method and the bar code reading / recording method described in each of the above-described embodiments are, as programs that can be executed by a computer, a magnetic disk (flexible disk, hard disk, etc.), an optical disk (CD-ROM, etc.). , DVD, etc.), a magneto-optical disk (MO), and a storage medium such as a semiconductor memory.

The storage medium may be in any form as long as it can store a program and can be read by a computer.

An OS (Operating System) running on the computer based on instructions of a program installed in the computer from the storage medium,
MW for database management software, network software, etc.
(Middleware) or the like may execute a part of each process for realizing the present embodiment.

Further, the storage medium of the present invention is not limited to a medium independent of a computer, but also includes a storage medium in which a program transmitted via a LAN, the Internet, or the like is downloaded and stored or temporarily stored.

Further, the number of storage media is not limited to one, and the case where the processing in the present embodiment is executed from a plurality of media is also included in the storage medium of the present invention, and any media configuration may be used.

The computer according to the present invention executes each processing in the present embodiment based on a program stored in a storage medium. An apparatus such as a personal computer and a plurality of apparatuses are connected to a network. Any configuration such as a system described above may be used.

The computer in the present invention is
It is not limited to a personal computer, but also includes a processing device, a microcomputer, and the like included in an information processing device, and generically refers to a device and a device capable of realizing the functions of the present invention by a program.

The present invention is not limited to the above embodiments, but may be variously modified at the stage of implementation without departing from the scope of the invention. In addition, the embodiments may be implemented in appropriate combinations as much as possible, in which case the combined effects can be obtained. Further, the above embodiments include inventions at various stages, and various inventions can be extracted by appropriate combinations of a plurality of disclosed configuration requirements. For example, when an invention is extracted by omitting some constituent elements from all constituent elements described in the embodiment, when implementing the extracted invention, the omitted part is appropriately supplemented by well-known conventional techniques. It is something to be done.

In addition, the present invention can be variously modified and implemented without departing from the gist thereof.

[0052]

As described above, according to the present invention, reading errors can be eliminated, and the reliability of work can be improved. In addition, recording errors can be eliminated, and work reliability can be improved.

[Brief description of the drawings]

FIG. 1 is a schematic view showing the appearance of an integrated barcode display device and a recording mobile device according to a first embodiment of the present invention.

FIG. 2 is a schematic diagram showing a barcode display device and its peripheral configuration according to the embodiment;

FIG. 3 is a schematic diagram showing display contents of a bar code display unit in the embodiment.

FIG. 4 is a schematic view showing the appearance of a separate bar code display device according to a second embodiment of the present invention.

FIG. 5 is a schematic diagram showing a barcode display device and its peripheral configuration according to the embodiment;

[Explanation of symbols]

 S: Sensor 10, 10a: Barcode display device 11: Input processing unit 12: Conventional instruction unit 12a: Scale plate 12b ... Pointer 13: A / D conversion unit 14: Signal number setting unit 15: Barcode conversion unit 16: Bar Code display unit 20: Mobile device for recording 21: Conventional indicator 22: Signal line

Claims (3)

[Claims] 1. A bar code display device, wherein a value indicated by an input analog signal is displayed by a bar code. 2. The bar code display device according to claim 1, wherein: identification data setting means for setting identification data of the value in advance; A / D conversion means for A / D converting the analog signal; Bar code conversion means for performing bar code conversion of the conversion result by the A / D conversion means and the identification data in the signal identification means, and a bar code display for displaying a bar code based on the bar code conversion result by the bar code conversion means And a bar code display device. 3. The bar code display device according to claim 1, further comprising a fixed scale plate and a pointer whose direction can be changed on the scale plate, wherein the pointer is set based on the analog signal. A bar code display device, comprising: an indicator for instructing a value on the scale plate by changing an orientation.