JP2007226578A - Display device for meter, meter and meter reading unit - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a display device for a meter, the meter and a meter reading unit, efficiently and accurately reading the meter by a meter reader, and drastically reducing a work burden of a meter reading task. <P>SOLUTION: This display device for the meter is installed in the meter, and displays a measurement value indicated by a numerical value of a plurality of digits. The meter loads the display device for the meter. The meter reading unit has the meter and an information acquisition device. In the display device for the meter, the meter and the meter reading unit, each digit numerical value display part 112 displaying each the digit numerical value of the measurement value is provided with an IC tag 200 recording digit numerical value information to be acquired by the external information acquisition device, capable of transmitting the digit numerical value information to the outside. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a display device for a measuring instrument, a measuring instrument, and a measuring instrument metering unit that can be applied to reading various numerical values measured by a measuring instrument, and more specifically, electricity, gas, water used at home, business office, etc. Display device for measuring instrument used to display various numerical values attached to a measuring instrument for measuring the usage amount, etc., or a measuring instrument for measuring the number of CB operations, the number of LR tap switching, the number of operations of auxiliary equipment, etc. And a measuring instrument equipped with the measuring instrument display device, and a measuring instrument meter reading unit provided with the measuring instrument and an information acquisition terminal capable of acquiring information on a measured value from the measuring instrument.

  As a measuring instrument, for example, a measuring instrument that measures the amount of electricity, gas, water, etc. used is known. Meter readings of electricity, gas, water, and the like that are measured with such a measuring instrument are individually performed by meter readers belonging to the electric, gas, and water companies. In such meter reading work, the meter reading person actually observes the measured value displayed on the measuring instrument and manually inputs the measured value to a dedicated terminal such as a handy terminal (for example, patent document). 1). In such meter reading work, as described above, since the meter reader manually inputs the measured value to the dedicated terminal, a great amount of labor is required, and there is a possibility that an incorrect measured value is input to the dedicated work terminal. There is a problem that there is.

  Such problems are not limited to the above-mentioned meter reading work for metering the usage amount of electricity, gas, water, etc., but, for example, the power generation / transformation for checking the number of CB operations, the number of LR tap switching, the number of operations of auxiliary machinery, etc. It also exists in the inspection work of the place and other operations such as reading various measured values.

JP-A-5-76075 (conventional technology)

  In view of the circumstances described above, the present invention provides a meter display device, a meter, and a meter meter reading that can efficiently and accurately perform meter reading by a meter reader and can greatly reduce the work load of meter reading work. The purpose is to provide a unit.

  In order to achieve the above object, a first aspect of the present invention is a display device for a measuring instrument that is attached to a measuring instrument and displays a measured value represented by a multi-digit numerical value. Each of the digit value display sections to be displayed is provided with an IC tag that records digit value information that is information that can be acquired by an external information acquisition device and can transmit the digit value information to the outside. It is in the display device for measuring instruments.

  In the first aspect, since the IC tag is individually provided in each digit value display section for displaying each digit value of the measurement value, and the digit value information is transmitted from each IC tag to the outside, it is transmitted from each IC tag. By using an external information acquisition device, the meter reading can be performed efficiently and accurately, and the manual input of the measured value that has been performed by the meter reader is unnecessary. Therefore, the work load of the meter reading work of the meter reader can be greatly reduced.

  According to a second aspect of the present invention, there is provided the weighing instrument display device according to the first aspect, wherein the IC tag is a passive tag.

  In the second aspect, digit value information is transmitted using a passive tag (passive IC tag) that is a type of IC tag that does not have a built-in battery and can communicate at a short distance. The measuring instrument display device of the present invention can be introduced into this measuring instrument at low cost.

  According to a third aspect of the present invention, instrument number information attached to a measuring instrument to be mounted is recorded on the IC tag, and the instrument number information can be transmitted from the IC tag. It is in the measuring device display device of the aspect.

  In the third aspect, by further recording the instrument number information on the IC tag, it is possible to obtain the instrument number and the measured value in association with each other by the information acquisition device, further improving the work efficiency of the meter reading work by the meter reader. Can be improved.

  According to a fourth aspect of the present invention, there is provided a weighing instrument display device according to any one of the first to third aspects, a weighing instrument body to which the weighing instrument display device is mounted, and a housing in which at least the weighing instrument display device is accommodated. The housing is provided with an opening corresponding to a portion for displaying a measurement value by the digit value display unit of the display device for measuring instrument, and the IC of the digit value display unit located in the opening. The measuring instrument is characterized in that the digit value information can be transmitted to the outside from the tag.

  In the fourth aspect, digit value information is transmitted to the outside from each IC tag of the digit value display unit located in the opening, while digit value information transmitted from each IC tag is acquired by the information acquisition device. The measurement value displayed in the opening can be accurately obtained.

  According to a fifth aspect of the present invention, there is provided the measuring instrument according to the fourth aspect, wherein a portion other than the opening of the housing and a portion covering the measuring instrument display device has electromagnetic shielding properties.

  In the fifth aspect, it is possible to effectively prevent a plurality of digit value information from being transmitted from a plurality of digit value display units of the same digit.

  A sixth aspect of the present invention includes the measuring instrument according to the fourth or fifth aspect, and an information acquisition device capable of acquiring the digit value information transmitted from the IC tag of the measuring instrument display device. It is in the unit for meter meter reading characterized by

  In the sixth aspect, the IC tag is individually provided in each digit value display unit for displaying each digit value of the measurement value, and the digit value information is transmitted from each IC tag to the outside, while transmitted from each IC tag. By using the information acquisition device, the meter reading can be performed efficiently and accurately, and the manual input of the measurement value that has been performed by the meter reader is no longer necessary. The work load of the staff meter reading work can be greatly reduced.

  According to a seventh aspect of the present invention, the information acquisition device has a function of processing a measurement value reading error when receiving a plurality of pieces of digit value information other than the last digit of the measurement value from the weighing instrument. The meter meter reading unit according to the sixth aspect is characterized in that:

  In the seventh aspect, the meter reading operation of the measuring instrument by the meter reader can be performed more accurately.

  According to an eighth aspect of the present invention, the information acquisition device has a function of acquiring the maximum or minimum digit value information when receiving a plurality of the digit value information of the last one digit of the measurement value from the measuring instrument. The measuring instrument meter reading unit according to the sixth or seventh aspect is characterized in that it is provided.

  In the eighth aspect, the meter reading operation of the measuring instrument can be performed efficiently and erroneous meter reading can be effectively prevented.

  According to a ninth aspect of the present invention, the information acquisition device has a function of processing as a reading error of a measured value when receiving three or more digits value information of the last digit of the measured value from the measuring instrument. A measuring instrument meter reading unit according to any one of the sixth to eighth aspects.

  In the ninth aspect, the meter reading operation of the measuring instrument by the meter reader can be performed more accurately.

  In the present invention, an IC tag is individually provided in each digit value display section for displaying each digit value of the measurement value, and digit value information is transmitted from each IC tag to the outside. By using an external information acquisition device, the meter reading can be performed efficiently and accurately, and the manual input of the measured value that has been performed by the meter reader is unnecessary. Therefore, it is possible to greatly reduce the work load of the meter reading work by the meter reader.

  Hereinafter, the present invention will be described in detail based on embodiments.

(Embodiment 1)
FIG. 1 is a perspective view showing a schematic configuration of a measuring instrument meter reading unit according to Embodiment 1 of the present invention. 2 is an enlarged plan view of a main part of FIG. 1 and an AA ′ sectional view. As shown in the figure, a measuring instrument meter reading unit 100 according to the present embodiment automatically measures the amount of electricity used to display a measured value (indicated number), and can also transmit information on the measured value to the outside. The information acquisition device 20 is configured to be able to acquire information on the measurement value transmitted from the measuring instrument 10.

  As shown in FIGS. 1 and 2B, the measuring instrument 10 of the present embodiment is fixed to a support plate 30 installed on an outer wall of a building. A box-shaped instrument box 40 is fixed to the peripheral edge of the support plate 30 to which the measuring instrument 10 is fixed. That is, the measuring instrument 10 fixed to the support plate 30 is accommodated in an internal space defined by the support plate 30 and the instrument box 40. The measured value displayed on the measuring instrument 10 is visible from the outside through a transparent window 41 provided in the instrument box 40.

  Further, in this embodiment, the measuring instrument 10 accommodated in the instrument box 40 is a display for measuring instrument that displays a measured value (indicated number) represented by a numerical value of a plurality of digits, as shown in FIGS. The apparatus 11 has a housing 12 that covers the measuring instrument display device 11 and a measuring instrument main body 13 that is connected to the measuring instrument display device 11 and automatically measures the amount of electricity used. Further, the housing 12 is provided with an opening 121 corresponding to a portion for displaying the measurement value of the measuring instrument display device 11. That is, the measured value measured by the measuring instrument main body 13 is displayed in the opening 121 of the housing 12, although details will be described later. Such a measuring instrument 10 is covered with a box-shaped transparent glass cover 14.

  In this embodiment, for example, in this embodiment, there are six measuring device display devices 11 for the measuring device 10 as shown in FIGS. 3A and 3B so that a disk-shaped rotating disk 111 can rotate. It has a side-by-side structure. In addition, each of these turntables 111 has a structure in which digit value display sections 112 each having 0 to 9 digit values (numerical values) are arranged in parallel along the rotation direction. Such a weighing instrument display device 11 is configured so that the six turntables 111 rotate in one direction based on the measurement value weighed by the scale body 13, so that the turntables 111 are arranged in parallel. A measurement value composed of a six-digit numerical value is displayed in a line in the opening 121 of the housing 12.

  The weighing instrument display device 11 is provided with drive control means (not shown) for rotating each turntable 111, and this drive control means is connected to the weighing instrument body 13. Such a drive control means is configured to transmit a predetermined rotational drive to the turntable 111 of each digit based on the information of the measured value measured by the measuring instrument body 13.

  Here, the digit value of the digit value display unit 112 is a numeric value given to the numeral depending on the position of the numeral in the numeral. For example, as shown in FIG. 2A, the measured value is “123456”. ", The digit value of" 1 "displayed in the hundreds place is" 100000 ", and the digit value of" 2 "displayed in the 10,000 place is" 20000 " The displayed digit value of “3” is “3000”, the digit value of “4” displayed in hundreds is “400”, and the digit value of “5” displayed in tens is The digit value of “6” displayed at the first place is “6”.

  Further, as shown in FIGS. 3A and 3B, each digit value display section 112 of the rotating disk 111 constituting the measuring instrument display device 11 has an IC tag (RFID tag) 200, respectively. Is buried. In this embodiment, the IC tag 200 is connected to a power circuit from an external power source (not shown) and supplied with driving power. Each IC tag 200 stores digit value information that is information that can be acquired by the external information acquisition device 20, that is, information related to the digit value displayed by each digit value display unit 112. In addition, from each IC tag 200, recorded digit value information can be transmitted to the outside.

  The housing 12 that covers the weighing instrument display device 11 has a box shape, and displays the measurement value of the weighing instrument display device 11, specifically, in the direction in which the rotary plates 111 are arranged side by side. A substantially rectangular opening 121 is provided corresponding to the portion where the 6-digit measurement values are displayed in a line. That is, in each turntable 111, only the digit value display unit 112 located in the opening 121 is exposed through the opening 121, and the measured value is displayed by the digit value display unit 112 located in the opening 121. It has become so.

  Moreover, such a housing 12 has electromagnetic wave shielding properties. Here, “the housing 12 has electromagnetic wave shielding properties” means that a metal layer is provided on the surface or the inner surface of the housing 12 to shield (shield) the electromagnetic waves, or the entire housing 12 is made of a metal material to generate electromagnetic waves. It means to include shielding. For example, in this embodiment, the entire housing 12 is formed of a metal material.

  Thereby, from the display device 11 for measuring instruments of this embodiment, in the state covered with the housing 12 mentioned above, only from each IC tag 200 of the digit value display part 112 located in the opening part 121 of the housing 12, it is glass. Digit value information can be transmitted to the outside through the cover 14 and the window 41 of the instrument box 40.

  On the other hand, the digit value information transmitted from each IC tag 200 positioned in the opening 121 of the housing 12 can be acquired by the information acquisition device 20 such as a handy terminal (see FIG. 1). ). That is, the measurement value of the measuring instrument 10 can be acquired based on each digit value information received by the information acquisition device 20.

  As described above, in the measuring instrument meter reading unit 100 according to the present embodiment, the IC tag 200 is individually provided in each digit value display unit 112 that displays each digit value of the measured value on the measuring instrument display device 11 of the measuring instrument 10. Since the digit value information is transmitted from each IC tag 200, the meter acquisition of the measuring instrument 10 is efficiently performed by acquiring the digit value information transmitted from each IC tag 200 by the information acquisition device 20. It can be performed accurately and accurately, and the manual input operation of the measurement value that has been conventionally performed by the meter reader is unnecessary, so that the workload of the meter reading operation of the meter 10 by the meter reader can be greatly reduced.

(Other embodiments)
As mentioned above, although this invention was demonstrated based on Embodiment 1, this invention is not limited to Embodiment 1 mentioned above. For example, in Embodiment 1 described above, a power supply circuit from an external power supply is connected to the IC tag 200 to supply driving power. However, the present invention is not limited to this, and for example, a passive tag is used as the IC tag. Also good. Since this passive tag (passive IC tag) is a type of IC tag that does not have a built-in battery and can communicate at short distances, digit value information is transmitted using such a passive tag. Thus, the present invention can be applied to the measurement value display portion of an existing measuring instrument at a low cost.

  In Embodiment 1 described above, the digit value information is transmitted from the IC tag 200, but of course, the present invention is not limited to this. For example, the instrument number information attached to the measuring instrument for management purposes is stored in the IC tag. It may be recorded in advance and the instrument number information together with the digit value information may be transmitted from the IC tag. Thereby, in the information acquisition device, it is possible to acquire the instrument number and the measurement value in association with each other, and the work efficiency of the meter reading work by the meter reader can be further improved.

  Furthermore, in the information acquisition device 20 according to the first embodiment described above, in the state where the adjacent digit value display units 112 are located across the opening 121 of the housing 12, the adjacent digit value display units 112. There is a possibility that digit value information is transmitted from the IC tag 200 of the above. In order to solve such a problem, the information acquisition device is provided with a function of processing a measurement value reading error when a plurality of pieces of digit value information other than the last digit of the measurement value is received from the weighing instrument 10. However, when three or more digits value information of the last one digit of the measurement value is received from the measuring instrument 10, a reading error of the measurement value may be set. Thereby, the meter-reading operation | work of the measuring instrument 10 by a meter-reader can be performed correctly. In addition, since the turntable 111 corresponding to the last digit of the measured value has a particularly high rotation speed, there is a high possibility that a plurality of digit value information is transmitted from the turntable 111 corresponding to the last digit. However, there is a risk of receiving a plurality of digits value information of the last one digit. In order to solve such a problem, the information acquisition device is provided with a function of acquiring the maximum or minimum digit value information when a plurality of the last digit digit value information of the measurement value is received from the measuring instrument 10. May be. Here, in such an information acquisition device, for example, “the maximum digit value information” of the last digit of the measurement value is acquired, or “the minimum digit value information” of the last digit of the measurement value is acquired. It is only necessary to set in advance whether or not to obtain the maximum or minimum digit value information based on the setting. Thereby, the meter-reading operation | work of the measuring device 10 can be performed efficiently.

  The present invention is a meter reading service for measuring the usage amount of gas and water other than electricity, or a patrol work for a substation for checking the number of CB operations, the number of LR tap switching, the number of operations of auxiliary equipment, etc. It can be widely applied to the business of reading various numerical values.

It is a perspective view which shows schematic structure of the unit for meter-measuring based on Embodiment 1 of this invention. It is a principal part enlarged plan view and AA 'sectional view of a measuring instrument concerning Embodiment 1 of the present invention. It is a principal part expansion perspective view which shows schematic structure of the measuring device display apparatus which concerns on Embodiment 1 of this invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 10 Measuring device 11 Measuring device display device 12 Housing 13 Measuring device main body 14 Glass cover 20 Information acquisition device 30 Support plate 40 Instrument box 100 Measuring meter reading unit 111 Turntable 112 Digit value display part 121 Opening part 200 IC tag

Claims (9)

A display device for a weighing instrument that is attached to a weighing instrument and displays a measured value represented by a multi-digit numerical value. Each digit value display section that displays each numerical value of a measured value is connected to an external information acquisition device. A measuring instrument display device comprising an IC tag on which digit value information, which is acquirable information, is recorded and capable of transmitting the digit value information to the outside. The measuring device display device according to claim 1, wherein the IC tag is a passive tag. 3. The measuring instrument display device according to claim 1, wherein instrument number information attached to a measuring instrument to be mounted is recorded on the IC tag, and the instrument number information can be transmitted from the IC tag. A measuring instrument display device according to any one of claims 1 to 3, a measuring instrument main body to which the measuring instrument display device is mounted, and a housing in which at least the measuring instrument display device is accommodated. An opening is provided corresponding to a portion for displaying a measurement value by the digit value display unit of the display device for measuring instrument, and the digit value information is received from the IC tag of the digit value display unit located in the opening. A measuring instrument characterized in that it can be transmitted to the outside. 5. The measuring instrument according to claim 4, wherein a part of the housing other than the opening and the part covering the measuring instrument display device has an electromagnetic shielding property. 6. A measuring instrument metering unit comprising: the measuring instrument according to claim 4; and an information acquisition device capable of acquiring the digit value information transmitted from the IC tag of the measuring instrument display device. . The said information acquisition apparatus is provided with the function to process as a reading error of a measured value when receiving a plurality of pieces of digit value information other than the last digit of the measured value from the measuring instrument. Unit for meter reading as described. The information acquisition device has a function of acquiring maximum or minimum digit value information when receiving a plurality of the digit value information of the last one digit of a measurement value from the weighing instrument. Unit for measuring meter reading according to 6 or 7. 7. The information acquisition device has a function of processing a measurement value reading error when three or more digits value information of the last digit of a measurement value is received from the measuring instrument. A unit for measuring meter reading according to any one of -8.

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