JPS58219461A - Electric energy - Google Patents
Electric energyInfo
- Publication number
- JPS58219461A JPS58219461A JP57104421A JP10442182A JPS58219461A JP S58219461 A JPS58219461 A JP S58219461A JP 57104421 A JP57104421 A JP 57104421A JP 10442182 A JP10442182 A JP 10442182A JP S58219461 A JPS58219461 A JP S58219461A
- Authority
- JP
- Japan
- Prior art keywords
- voltage
- pulse train
- frequency
- sequentially
- circuit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R21/00—Arrangements for measuring electric power or power factor
- G01R21/133—Arrangements for measuring electric power or power factor by using digital technique
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
Abstract
Description
【発明の詳細な説明】 この発明は電子式の電力量計に関するものである。[Detailed description of the invention] The present invention relates to an electronic power meter.
この種電力量計の構成を第１図に示す。同図において、
（１）は商用電力源、（２）は商用電力源（１）に３線
式配電線路（３）を介して接続された負荷、（４） 、
（５）は上記配電線路（３）の相聞電圧を検出する電
圧変成器、（６） 、 （７）は上記配電線路（３）の
各相の消費電流量を検出する変流器である。（８）は計
測本体部であ焦電力量計測回路（９）とこの計測回路（
９）の駆動用の直流電源ＤＩとを有する。０４１〜（至
）は電源側端子、＜１４１〜ａηは負荷側端子である。The configuration of this type of watt-hour meter is shown in FIG. In the same figure,
(1) is a commercial power source, (2) is a load connected to the commercial power source (1) via a three-wire distribution line (3), (4),
(5) is a voltage transformer that detects the interphase voltage of the distribution line (3), and (6) and (7) are current transformers that detect the amount of current consumption of each phase of the distribution line (3). (8) is the measurement main unit, which includes the focal power measurement circuit (9) and this measurement circuit (
9) and a driving DC power supply DI. 041 to (to) are power supply side terminals, and <141 to aη are load side terminals.
上記計測回路（９）は第２図のように構成されている。The measurement circuit (9) is constructed as shown in FIG.
すなわち、同図において、体躬、（財）は電圧入力端子
、（至）は上記内入力端子（２Ｉ、（至）からの入力信
号を乗算する乗算器、（財）は上記乗′Ｘ器（２）に接
続された電圧・周波数変換器、輛は電圧・周波数に換器
Ｑ４１に接続された分周器、（至）はカウンタ１田路、
伐ηはカウンタ回路（ハ）からの出力を表示する電力蓋
表示器、（ハ）は電力菫の計測状態な点滅表示する動作
表示器で、発光ダイオードなどが用いられている。That is, in the same figure, (product) is the voltage input terminal, (to) is the multiplier that multiplies the input signal from the above input terminal (2I, (to)), and (product) is the above multiplier The voltage/frequency converter connected to (2), the frequency divider connected to the voltage/frequency converter Q41, (to) the counter 1,
η is a power lid indicator that displays the output from the counter circuit (c), and (c) is an operation indicator that blinks to indicate the measurement status of the power violet, and uses a light emitting diode or the like.
上記両表示器■７１．（財）等により表示部−をｈ４成
している。Both indicators above ■71. The display section is made up of H4 by the Foundation of Japan.
つぎに、上記構成の動作について第１図および第２図で
説明する。Next, the operation of the above configuration will be explained with reference to FIGS. 1 and 2.
商用電力源（１）からの負荷（２）への電力供給にとも
ない、電圧変成器（４） 、 （５）にょ夛上記配電線
路（３）の負荷電圧に比例した電圧信号ｅｖが電圧入力
端子＠υに入力され、また変流器（６） ？ （７）に
より上記配電線路（３）な流れる消費電流量に比例した
電圧信ｅ１が電流入力端子（社）に入力される。乗算器
（２）は上記電圧信号ｅｖと電圧信号ｅｌとを乗算して
、上記配電線路（３）における瞬時電力に比例した電圧
信号ｅ、。−に−ｅｖ・ｅｒ（但し、Ｋは定数）を電圧
・周波数変換回路（財）に送出し、該電圧・周波数変換
回路（財）からは上記信号ｅ０に対応した周波数のパル
ス列信号ｆ０が出力される。この信号ｆ０は分周器（社
）で分周されて、カウンタ回路（至）で遂次計数される
。カウンタ回路（ハ）からのカウンタ出力は電・力量表
示器伐ηに入力されることにより、この表示器＠ηで消
費電力蓋が積算表示される。上記計測動作時には、分周
器（至）からの出力を受けた点滅表示器（ハ）が第３図
の電圧・周波数特性ａにしたがって作動して、計測動作
中であることを点滅表示する。As power is supplied from the commercial power source (1) to the load (2), a voltage signal ev proportional to the load voltage on the distribution line (3) is applied to the voltage transformer (4), (5) at the voltage input terminal. Input to @υ and also current transformer (6)? As a result of (7), a voltage signal e1 proportional to the amount of current consumption flowing through the power distribution line (3) is input to the current input terminal. A multiplier (2) multiplies the voltage signal ev and the voltage signal el to obtain a voltage signal e, which is proportional to the instantaneous power in the distribution line (3). −ev・er (where K is a constant) is sent to the voltage/frequency conversion circuit (goods), and the voltage/frequency conversion circuit (goods) outputs a pulse train signal f0 with a frequency corresponding to the above signal e0. be done. This signal f0 is frequency-divided by a frequency divider and successively counted by a counter circuit. The counter output from the counter circuit (c) is input to the power/power display device η, so that the power consumption lid is displayed as an integrated value on the display device @η. During the above-mentioned measurement operation, the blinking indicator (c) which receives the output from the frequency divider (to) operates according to the voltage/frequency characteristic a shown in FIG. 3, and blinks to indicate that the measurement operation is in progress.
しかるに、上記構成においては、計測動作中であるか否
かの把握を１つの点滅表示器（ハ）、つまシ１つの発光
ダイオードの点滅動作に依存しなければならなかったか
ら、高負荷に対応する高周波パルス列が出力される際に
は、上記表示器６２８１の点滅周期が過度に短くなって
目視できにくくなり、逆にこの高負荷状態で表示器（ハ
）の点滅を目視できる程度に設定すると、低負荷に対応
する低周波パルス列が出力される際には上記表示器（ハ
）の点滅周期が長すぎて、この低負荷時の計測動作の確
認に長時間を資すのを強いられる。However, in the above configuration, it is necessary to rely on the blinking operation of one blinking indicator (c) and one light emitting diode to determine whether or not measurement is in progress, which makes it difficult to cope with high loads. When the high-frequency pulse train is output, the blinking cycle of the display 6281 becomes too short and becomes difficult to see visually.On the other hand, if the blinking of the display (c) is set to a level that is visible under this high load condition, When a low-frequency pulse train corresponding to a low load is output, the blinking period of the display (c) is too long, forcing the user to spend a long time checking the measurement operation at this low load.
この発明は上記従来の欠点を除去するためになされたも
ので、電圧・周波数変換器からのパルス列の周波数に比
例した速度で複数の動作表示器を順次点滅させるように
して、全負荷範囲にわたって計測動作状況な容易、かつ
迅速に把握できる使い勝手の良い電力量計を提供するこ
とを目的としている。This invention was made in order to eliminate the above-mentioned conventional drawbacks, and measures the entire load range by sequentially flashing multiple operation indicators at a speed proportional to the frequency of the pulse train from the voltage/frequency converter. The purpose is to provide an easy-to-use electricity meter that allows you to easily and quickly grasp the operating status.
以下、この発明の一実施例を図面にしたがって説明する
。An embodiment of the present invention will be described below with reference to the drawings.
−／高目−４
第４図はこの発明に係る電力量計の一例を示すもので、
第１図および第２図と同一部所には同一符号を付して説
明を省略する。-/High-4 Figure 4 shows an example of the electricity meter according to the present invention.
The same parts as in FIGS. 1 and 2 are given the same reference numerals, and their explanations will be omitted.
同図において、（４０１）〜（４０ｎ）は複数個の動作
表示器であシ、この実施例では発光ダイオードが用いら
れておル、たとえば第５図のように８個のもの（４０１
）〜（４ｏＪが、７セグメント表示素子からなる電力量
表示器（ロ）を取９囲むように環状に配列されている。In the same figure, (401) to (40n) are a plurality of operation indicators, and in this embodiment, light emitting diodes are used, for example, as shown in FIG.
) to (4oJ) are arranged in a ring shape so as to surround a power amount display (b) consisting of a 7-segment display element.
（６）は電圧・周波数変換器（財）に分局器間を介して
接続された動作表示器駆動回路で、たとえば上記分周器
からのパルス列をカウントするカウンタ回路（４１１）
や該カウンタ回路（４１１）からの出力をデコードして
、上記動作表示器（４０θ〜（４０ｇ）を１パルスごと
に順次点滅させるデコード回路（４１２）などからなる
。(6) is an operation indicator drive circuit connected to the voltage/frequency converter via a divider, such as a counter circuit (411) that counts the pulse train from the frequency divider.
It also includes a decoding circuit (412) that decodes the output from the counter circuit (411) and causes the operation indicators (40θ to (40g)) to blink sequentially for each pulse.
上記構成において、電力量の計測動作にともなって電圧
・周波数変換器（財）からの負荷量に対応したパルス列
が分周されて駆動回路ｉ４幻に入力されるため、この駆
動回路＠幻におけるカウンタ回路（４１１）が上記分周
されたパルス列を順次カウントする。In the above configuration, the pulse train corresponding to the load amount from the voltage/frequency converter is frequency-divided and input to the drive circuit i4 as the electric energy is being measured. A circuit (411) sequentially counts the frequency-divided pulse train.
このカウンタ回路（４１１）からのＨＣＤコード出力を
受けたデコード回路（４１２）は、上記カウンタ（４１
１）の１力ウント動作ごとに、上記表示器（４０θ〜（
４ｏｎ＞を順次点滅させる。たとえば、低負荷時に従来
では２０秒周期で点滅していたのに対して、上記８個の
表示器（４０＋）〜（４０１１）を用いることにより、
２０／８秒周期で上記各動作表示器（４０θ〜（４０ｇ
）が順次点滅するため、上記低負荷時でるうてもその計
測動作状況を短時間で確認できることになる。A decoding circuit (412) receives the HCD code output from this counter circuit (411).
1) For each force count operation, the display above (40θ~(
4on> blinks in sequence. For example, when the load is low, the conventional display blinks every 20 seconds, but by using the eight indicators (40+) to (4011),
Each of the above operation indicators (40θ~(40g
) blinks sequentially, so you can check the measurement operation status in a short time even during the low load mentioned above.
勿論、上記動作表示器（４０，）〜（４ｏｎ）について
は、第６図のように配列してもよく、またその数を増数
すれば、さらに視認性の向上を図れるものであ夛、また
、各表示器（４０ｓ）〜（４Ｏｎ）は発光ダイオードに
限らず、ランプなどの他の光学表示素子を適宜使用でき
る。Of course, the operation indicators (40,) to (4on) may be arranged as shown in FIG. 6, and visibility can be further improved by increasing their number. Further, each of the indicators (40s) to (4On) is not limited to a light emitting diode, and other optical display elements such as a lamp can be used as appropriate.
さらにまた、上記表示器駆動回路１４υの構成は上記実
施例のものに限らず、他の変形手段が考えられる。Furthermore, the configuration of the display drive circuit 14υ is not limited to that of the embodiment described above, and other modified means may be considered.
以上のように、この発明は複数の動作表示器を電圧・周
波数変換器からのパルス列の周波数に比例した速度で順
次点滅させるようにしたから、全負荷範囲にわたって計
測動作表示の視認性の向上を図ることができる。As described above, since the present invention sequentially blinks a plurality of operation indicators at a speed proportional to the frequency of the pulse train from the voltage/frequency converter, it is possible to improve the visibility of the measurement operation display over the entire load range. can be achieved.
第１図は従来の電力量計の構成を示すブロック図、第２
図は第１図の電力量計における計測回路のブロック図、
第３図は電圧と周波数との相関関係を示す特性図、第４
図はこの発明に係る電力量針の一例における計測回路の
ブロック図、第５図は動作表示器の配列状態を示す平面
図、第６図は動作表示器の他の配列状態を示す平面図で
ある。
（ハ）・・・乗算器、（２４）・・・電圧・周波数変換
器、（４０１）〜（４０ｎ）・・・動作表示器、ｉ４１
・・・動作表示器部ＩＩＪＪ回路。
なお、図中同一符号は同一もしくは相当部分を示す。
代理人 葛野 信−（外１名）
手続補正書（自発）
特許庁長官殿
１、事件の表示 特願昭 ５７−１０４４２１号
２、発明の名称
電力量針
３、補正をする者
（１）
５、補正の対象
明細書の「発明の詳細な説明」の欄。
６、補正の内容
明細書をつぎのとおり訂正する。
（２）
３３３Figure 1 is a block diagram showing the configuration of a conventional electricity meter;
The figure is a block diagram of the measurement circuit in the electricity meter shown in Figure 1.
Figure 3 is a characteristic diagram showing the correlation between voltage and frequency.
The figure is a block diagram of a measuring circuit in an example of the power consumption needle according to the present invention, FIG. 5 is a plan view showing an arrangement of operation indicators, and FIG. 6 is a plan view showing another arrangement of operation indicators. be. (c) Multiplier, (24) Voltage/frequency converter, (401) to (40n) Operation indicator, i41
...Operation indicator section IIJJ circuit. Note that the same reference numerals in the figures indicate the same or corresponding parts. Agent: Makoto Kuzuno (1 other person) Procedural amendment (voluntary) Commissioner of the Japan Patent Office 1. Indication of case: Japanese Patent Application No. 57-104421 2. Name of the invention: Power consumption 3. Person making the amendment (1) 5 , "Detailed Description of the Invention" column of the specification to be amended. 6. The statement of contents of the amendment shall be amended as follows. (2) 333
Claims (1)
た電流信号とを乗算する乗算器と、この乗算器からの出
力を受けてこれに比例した周波数を有するパルス列を出
力する電圧・周波数変換器と、この電圧・周波数変換器
からのパルス列を点滅駆動信号源とする複数の動作表示
器と、上記パルス列を受けてこれに比例した速度で上記
複数の動作表示器を１パルスととに順次点滅させる動作
表示器駆動回路とを具備した電力量計。(1) A multiplier that multiplies a voltage signal proportional to the load voltage by a current signal proportional to the consumed current, and a voltage/frequency converter that receives the output from this multiplier and outputs a pulse train with a frequency proportional to this multiplier. a plurality of operation indicators that use the pulse train from the voltage/frequency converter as a blinking driving signal source; and a plurality of operation indicators that receive the pulse train and sequentially move the plurality of operation indicators at a speed proportional to the pulse train with one pulse. A power meter comprising a blinking operation indicator drive circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57104421A JPS58219461A (en) | 1982-06-15 | 1982-06-15 | Electric energy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57104421A JPS58219461A (en) | 1982-06-15 | 1982-06-15 | Electric energy |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58219461A true JPS58219461A (en) | 1983-12-20 |
| JPS6325306B2 JPS6325306B2 (en) | 1988-05-25 |
Family
ID=14380224
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP57104421A Granted JPS58219461A (en) | 1982-06-15 | 1982-06-15 | Electric energy |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58219461A (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5676054A (en) * | 1979-11-26 | 1981-06-23 | Toshiba Corp | Electronic type wattmeter |
-
1982
- 1982-06-15 JP JP57104421A patent/JPS58219461A/en active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5676054A (en) * | 1979-11-26 | 1981-06-23 | Toshiba Corp | Electronic type wattmeter |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6325306B2 (en) | 1988-05-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| RU2117305C1 (en) | Method and device for electronic reading of measured power consumption | |
| KR100803084B1 (en) | Portable error testing device and method for measurment apparatus of electric power volume | |
| US7164273B2 (en) | Power source monitor | |
| JPS58219461A (en) | Electric energy | |
| US4257003A (en) | Wide range frequency counter | |
| JPS61284670A (en) | Electronic watthour meter | |
| JPS61111469A (en) | Electronic integrating counter | |
| TWI264169B (en) | Charger with displaying charging amount of rechargeable battery | |
| CN205139217U (en) | Take residual current circuit breaker testing capabilities's novel complex function universal meter | |
| CN2347182Y (en) | Watt-hour meter wiring tester | |
| GB2068131A (en) | Metering devices | |
| JPH0227627B2 (en) | ||
| JPS62115376A (en) | Circuit device displaying current consumption or power consumption of electric load | |
| CN205898893U (en) | Rubidium atomic frequency standard test system and reference signal generating device thereof | |
| RU1711630C (en) | Battery charge control device | |
| GB2049204A (en) | Improvements in or relating to testing devices | |
| KR200268699Y1 (en) | Adapter-shaped compact apparatus for measureing electric energy | |
| JPS5916833Y2 (en) | Electronic energy meter | |
| KR0157649B1 (en) | Watt hour meter | |
| JPS59104563A (en) | Electric energy display device for comparison with reduced electric power | |
| JPH044229Y2 (en) | ||
| JPH0750805Y2 (en) | Switchboard inspection device | |
| RU2127446C1 (en) | Electronic timer with direct light-emitting indicator | |
| KR200221678Y1 (en) | A wattmeter which has a indicating function of present gas rate | |
| SU1623604A1 (en) | Device for measuring critical flicker fusion frequency |