JPH03140879A - Replacing device of watt-hour meter without interruption of service - Google Patents
Replacing device of watt-hour meter without interruption of serviceInfo
- Publication number
- JPH03140879A JPH03140879A JP28041189A JP28041189A JPH03140879A JP H03140879 A JPH03140879 A JP H03140879A JP 28041189 A JP28041189 A JP 28041189A JP 28041189 A JP28041189 A JP 28041189A JP H03140879 A JPH03140879 A JP H03140879A
- Authority
- JP
- Japan
- Prior art keywords
- watt
- terminal
- power
- hour meter
- terminals
- 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.)
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Links
- 238000010586 diagram Methods 0.000 description 4
- 238000007789 sealing Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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- Stand-By Power Supply Arrangements (AREA)
Abstract
Description
【発明の詳細な説明】
イ 産業上の利用分野
本発明は、積算電力量計の交換に際し、負荷側を停電さ
せることなく、交換可能となす積算電力量計の無停電取
替え装置に関するものである。[Detailed Description of the Invention] A. Field of Industrial Application The present invention relates to an uninterruptible replacement device for an integrating watt-hour meter that allows the watt-hour meter to be replaced without causing a power outage on the load side. .
口 従来の技術
従来の積算電力量計の無停電取替え装置としては、特公
告昭６２−１２８６８号公報に記載の如く、電力量計本
体に取り外し可能に一体化された中継端子装置と、その
中継端子装置に着脱可能に構成され電源側端子と負荷側
端子とを短絡させる短絡装置とを備え、更にその短絡装
置を前記中継端子装置の端子に短絡させる短絡端子ブロ
ックと、その短絡端子ブロックを電力量計本体の端子に
圧接すると共に短絡装置を中継端子装置に取着するため
のホルダーと、そのホルダーを案内するガイド部を中継
端子装置に設けた無停電取替え装置があって、電力量計
の交換に際しては、短絡装置を中継端子装置に取着し、
短絡装置を中継端子装置の端子に圧接させ、短絡端子ブ
ロック内の配線により電源側と負荷側電線とを接続して
短絡させ、この状態で電力量計を中継端子装置から離脱
し、新しい電力量計を中継端子装置に取付は一体化した
後、短絡装置を中継端子装置から取り外すようにしたも
のがあった。BACKGROUND ART Conventional uninterruptible replacement devices for integrating watt-hour meters include a relay terminal device removably integrated into the watt-hour meter body and its relay, as described in Japanese Patent Publication No. 62-12868. A short-circuiting device configured to be removably attached to the terminal device and short-circuiting the power supply side terminal and the load-side terminal, further comprising a shorting terminal block that shorts the shorting device to the terminal of the relay terminal device, and a shorting terminal block that short-circuits the shorting device to the terminal of the relay terminal device; There is an uninterruptible replacement device that has a holder that presses onto the terminal of the meter body and attaches a short circuit device to the relay terminal device, and a guide part that guides the holder on the relay terminal device. When replacing, attach a short circuit device to the relay terminal device,
Press the short circuit device to the terminal of the relay terminal device, connect the power supply side and load side wires using the wiring in the short circuit terminal block to short-circuit, and in this state remove the watt-hour meter from the relay terminal device and read the new power amount. There was a system in which the short circuit device was removed from the relay terminal device after the meter was attached to the relay terminal device.
又、特公告昭６２−１２８６９号公報に記載の如く、電
力量計本体と端子ブロックとから成り、端子ブロックに
電力量計本体を接続する端子と遮断、投入、短絡に切換
え可能な３点切換えスイッチとを設け、短絡位置では電
力量計本体を通さずに直接負荷端子に電力を供給するよ
うになっており、その状態にして電力量計を交換する装
置があった。Furthermore, as described in Japanese Patent Publication No. 12869/1986, it consists of a power meter body and a terminal block, and the terminal block has a terminal that connects the power meter body and a three-point switch that can be switched to cutoff, power on, and short circuit. There was a device that was equipped with a switch, and in the short-circuit position, power was supplied directly to the load terminal without passing through the watt-hour meter body, and the watt-hour meter was replaced in this state.
ハ 発明が解決しようとする課題
上記従来の積算電力量計の無停電取替え装置において、
前者は、短絡装置を電力量計本体の中継端子装置に取着
して、短絡装置を操作して、電源側と負荷側電線とを接
続し短絡させて電力量計の交換を行なうことが出来るが
、短絡装置の構造が複雑でコスト高となる他、電力量計
交換の為には、常に専用の短絡装置を準備、携行しなけ
ればならず煩雑であると共に、中継端子装置への取付は
取外し作業が厄介であった。C. Problems to be Solved by the Invention In the above-mentioned conventional uninterruptible replacement device for an integrating watt-hour meter,
In the former case, the watt-hour meter can be replaced by attaching a short-circuit device to the relay terminal device of the watt-hour meter body and operating the short-circuit device to connect and short-circuit the power supply side and load-side electric wires. However, the structure of the short-circuiting device is complicated and costly, and in order to replace the watt-hour meter, it is always necessary to prepare and carry a dedicated short-circuiting device, which is complicated, and it is difficult to attach it to the relay terminal device. Removal work was troublesome.
又、後者は３点切換えスイッチがスライドスイッチのた
め、１２０アンペアクラスの電力量計用には対応出来ず
、大容量の電力量計の製作が困難であるという欠点があ
った。Furthermore, since the latter has a three-point changeover switch that is a slide switch, it cannot be used in a 120 ampere class power meter, and has the disadvantage that it is difficult to manufacture a large capacity power meter.
更に、両者はいずれも、電力量計本体側にピン端子を設
けた特殊な電力量計にしか使用出来ないという所謂専用
の装置としての制約があった。Furthermore, both of them have the limitation that they can only be used in special watt-hour meters that have pin terminals on the watt-hour meter body side, as so-called dedicated devices.
二 課題を解決するための手段
本発明は、上記従来の積算電力量計の無停電取替え装置
の問題点に鑑み、構造が簡単で、電力量計の交換が特殊
工具を必要とせずに無停電で容易且つ安全に行なえると
共に、１２０アンペアクラスの大容量の積算電力量計に
も使用し得る積算電力量計の無停電取替え装置を提供す
るもので、その構成は、電力量計本体に端子ブロックと
接続するピン端子を、一方前記端子ブロックにそのピン
端子を接続する端子を夫々設け、前記電力量計本体と端
子ブロックとを着脱可能に形成すると共に、前記端子ブ
ロックに電源線及び負荷線を夫々接続する端子を備えて
成る積算電力量計において、前記端子ブロックに、開放
時電力量計本体を通して負荷端子へ、短絡時電源線と負
荷線を短絡させ電力量計本体の有無に関らず負荷端子へ
、夫々電力を供給可能となす接点開閉機構を備えた２点
切替えスイッチを設けたことにある。2. Means for Solving the Problems In view of the problems of the conventional uninterruptible replacement device for an integrating watt-hour meter, the present invention has a simple structure and allows uninterrupted replacement of a watt-hour meter without requiring any special tools. The present invention provides an uninterruptible replacement device for an integrating watt-hour meter that can be easily and safely replaced with a 120-amp class large-capacity integrating watt-hour meter. A pin terminal to be connected to the block is provided, and a terminal to connect the pin terminal to the terminal block is provided respectively, and the power meter main body and the terminal block are formed to be removable, and a power line and a load line are connected to the terminal block. In the integrating watt-hour meter, the terminal block is connected to the load terminal through the watt-hour meter body when it is open, and the power line and the load line are short-circuited when they are short-circuited, regardless of the presence or absence of the watt-hour meter body. The first feature is that a two-point changeover switch is provided with a contact opening/closing mechanism that allows power to be supplied to each load terminal.
ホ 作用
電力量計本体のピン端子に端子ブロックの端子を接続し
、２点切替えスイッチを開放に切替えると、端子ブロッ
クの電源線端子側から電力量計本体を通じて負荷線端子
側に電力が供給される。又、２点切替えスイッチを短絡
に切替えすると、端子ブロック内において電源線と負荷
線とが短絡し、電力量計の有無に関らず負荷線端子側に
電力が供給されるので、その状態において、電力量計本
体のピン端子と端子ブロックの端子との結合、接続を切
離して電力量計の交換を行なうと、負荷側を停電させる
ことなく、容易且つ安全に交換が出来る。E When the terminal block terminal is connected to the pin terminal of the working watt-hour meter body and the two-point changeover switch is set to open, power is supplied from the power line terminal side of the terminal block through the watt-hour meter body to the load line terminal side. Ru. In addition, when the two-point selector switch is set to short circuit, the power line and load line are short-circuited in the terminal block, and power is supplied to the load line terminal side regardless of the presence or absence of the watt-hour meter. If the watt-hour meter is replaced by connecting and disconnecting the pin terminals of the watt-hour meter body and the terminals of the terminal block, the watt-hour meter can be replaced easily and safely without causing a power outage on the load side.
へ 実施例
本発明に係る積算電力量計の無停電取替え装置の実施例
を図面に基づいて説明する。EXAMPLE An example of an uninterruptible replacement device for an integrating watt-hour meter according to the present invention will be described based on the drawings.
第１図において、ｌは電力量計本体、２は端子ブロック
、３は電力量計本体ｌの下部及び端子ブロック２を覆う
封印カバーである。In FIG. 1, 1 is the watt-hour meter main body, 2 is a terminal block, and 3 is a sealing cover that covers the lower part of the watt-hour meter main body 1 and the terminal block 2.
電力量計本体１の下部には、端子ブロック２と電気的に
接続するための５本のピン端子４．５．６．７及び８が
設けられ、−刃端子ブロック２の上部には、電力量計本
体１の前記ピン端子４〜８を挿入し電気的に接続するた
めの ピン穴付きのピン端子接続端子９、ｌ０１１１．
１２及び１３が夫々設けられ、これらのピン端子接続端
子９〜１３に前記ピン端子４〜８を挿入接続することに
より電力量計本体１と端子ブロック２とは一体化され、
又、ピン端子接続端子９〜１３のピン穴からピン端子４
〜８を抜脱し両者の接続を切り離すことによって電力量
計本体１と端子ブロック２とは分離される。このように
両者は着脱可能に形成されている。更に、端子ブロック
２の下端には、電源線と接続するための電源線接続端子
１４．１５．１６及び負荷線と接続するための負荷線接
続端子１７．１８．１９とが設けられ、これらの接続端
子１４〜１９群と前記ピン端子接続端子４〜６群との中
間部には、２点切替えスイッチ２０が設けられている。Five pin terminals 4, 5, 6, 7 and 8 are provided at the bottom of the power meter body 1 for electrical connection with the terminal block 2, and the upper part of the -blade terminal block 2 is provided with power A pin terminal connection terminal 9 with a pin hole for inserting and electrically connecting the pin terminals 4 to 8 of the meter body 1, l0111.
12 and 13 are provided respectively, and by inserting and connecting the pin terminals 4 to 8 to these pin terminal connection terminals 9 to 13, the watthour meter main body 1 and the terminal block 2 are integrated,
Also, connect pin terminal 4 from the pin holes of pin terminal connection terminals 9 to 13.
- 8 and disconnect them, the power meter main body 1 and the terminal block 2 are separated. In this way, both are detachably formed. Further, the lower end of the terminal block 2 is provided with power line connection terminals 14, 15, 16 for connecting to the power line and load line connecting terminals 17, 18, 19 for connecting to the load line. A two-point changeover switch 20 is provided at an intermediate portion between the groups of connection terminals 14 to 19 and the groups of pin terminal connection terminals 4 to 6.
２点切替えスイッチ２０は、ノーヒユーズブレーカと同
様な接点開閉機構を有するスイッチで、起倒式のレバー
２０ａを備え、電力量計本体１と端子ブロック２とを結
合して形成される電気回路を、開放又は短絡の２状態に
切替えることが可能である。特に低加圧のスライドスイ
ッチと異なり、ノーヒユーズブレーカの接点開閉機構と
同様な構造のスイッチであるので、３０アンペアクラス
の電力量計は勿論のこと、１２０アンペアクラスの大容
量電力量計にも充分使用し得るものである。The two-point changeover switch 20 is a switch that has a contact opening/closing mechanism similar to a no-fuse breaker. , it is possible to switch between two states: open or short-circuited. In particular, unlike low-pressure slide switches, this switch has a structure similar to the contact opening/closing mechanism of a no-fuse breaker, so it can be used not only for 30-amp class power meters, but also for 120-amp class large-capacity power meters. It is fully usable.
即ち、第２図（ａ）示の如く、２点切替えスイッチ２０
のレバー２０ａを端子ブロック２へ折畳んで開放の位置
にすると、第２図（ｂ）示の電気回路図の如く、接点２
１が離れ、端子ブロック２の電源線接続端子１４．１６
からピン端子接続端子９．１０を経てピン端子４．５へ
電流が流れ、電力量計本体ｌを通じピン端子６８及びピ
ン端子接続端子１１．１３を介して負荷線接続端子１７
．１９に電力が供給され、負荷側で消費した電力量が電
力量計本体１で計量される。これは、供給電力が電力量
計本体を通じて負荷側で消費される通常の状態である。That is, as shown in FIG. 2(a), the two-point changeover switch 20
When the lever 20a is folded into the terminal block 2 and placed in the open position, the contact 2
1 is separated, and the power line connection terminals 14 and 16 of terminal block 2 are separated.
Current flows from the terminal to the pin terminal 4.5 via the pin terminal connection terminal 9.10, through the power meter body l, through the pin terminal 68 and the pin terminal connection terminal 11.13 to the load line connection terminal 17.
．． Electric power is supplied to the power meter 19, and the amount of electric power consumed on the load side is measured by the power meter main body 1. This is a normal state in which the supplied power is consumed on the load side through the power meter body.
又、第３図（ａ）示の如く、２点切替えスイッチ２０の
レバー２０ａを引起して開放の位置から短絡の位置に切
替えると、第３図（ｂ）示の電気回路図の如く、接点２
１が短絡し、電源線接続端子１４．１６から電力量計本
体１を通さずに直接負荷線接続端子１７．１９に電力が
供給される。この状態で、電力量計本体１を端子ブロッ
ク２から取外すのであるが、両者を分離させでも電源側
と負荷側とは短絡されているので、消費者側は停電状態
にならない。Also, as shown in FIG. 3(a), when the lever 20a of the two-point changeover switch 20 is pulled up and switched from the open position to the short-circuited position, the contacts will open as shown in the electrical circuit diagram shown in FIG. 3(b). 2
1 is short-circuited, and power is directly supplied from the power line connection terminal 14.16 to the load line connection terminal 17.19 without passing through the power meter main body 1. In this state, the watt-hour meter main body 1 is removed from the terminal block 2, but even if the two are separated, the power supply side and the load side are short-circuited, so the consumer side will not experience a power outage.
そして、新しい電力量計本体のピン端子を端子ブロック
２のピン端子接続端子９．１０．１１．１２及び１３の
ピン穴に夫々挿入して、両者を一体化した後、前記の如
く、２点切替えスイッチ２０を開放の位置に切替えると
、再び電力量計本体１を通じて負荷側に電力が供給され
る。Then, insert the pin terminals of the new watt-hour meter body into the pin holes of the pin terminal connection terminals 9, 10, 11, 12 and 13 of the terminal block 2, respectively, and integrate the two. When the selector switch 20 is switched to the open position, power is supplied to the load side through the watt-hour meter main body 1 again.
電力量計の交換完了後、電力量計本体１の下部及び端子
ブロック２を封印カバー３で封印する。After the replacement of the watt-hour meter is completed, the lower part of the watt-hour meter main body 1 and the terminal block 2 are sealed with a sealing cover 3.
このように、本装置は、負荷側を停電させることなく容
易且つ安全に電力量計の交換を行なえるものである。In this manner, the present device allows the power meter to be easily and safely replaced without causing a power outage on the load side.
ト 発明の詳細
な説明の如く、本発明に係る積算電力量計の無停電取替
え装置は、端子ブロックに、開放時電力量計本体を通し
て負荷端子へ、短絡時電源線から直接負荷端子へ夫々電
力を供給可能とな“す接点開閉機構を備える２点切替え
スイッチを設けたものであるから、構造が簡単で、消費
者側を停電状態にすることなく、又特殊工具を必要とせ
ずに容易且つ安全に電力量計の交換が可能で、しかも１
２０アンペアクラスの大容量の積算電力量計にも使用し
得る等、その実用価値は大なるものがある。G. As described in the detailed description of the invention, the uninterruptible replacement device for an integrating watt-hour meter according to the present invention supplies power to the terminal block through the watt-hour meter body when it is open to the load terminal, and from the power supply line directly to the load terminal when it is short-circuited. Since it is equipped with a two-point changeover switch with a contact opening/closing mechanism that can supply a wide range of You can safely replace the electricity meter, and it only takes 1
Its practical value is great, as it can be used in large-capacity integrating power meters of the 20 ampere class.
第１図は本発明に係る積算電力量計の無停電取替え装置
の分解斜視図、第２図（ａ）及び第２図（ｂ）は夫々２
点切替えスイッチを開放位置にした状態の説明図とその
電気回路図、第３図（ａ）及び第３図（ｂ）は夫々２点
切替えスイッチを短絡位置にした状態の説明図とその電
気回路図である。
１・・電力量計本体、２・・端子ブロック、３・・封印
カバー、４．５．６．７．８・・ピン端子、９．１０．
１１．１２．１３・・ピン端子接続端子、１４．１５．
１６・・電源線接続端子、１７．１Ｂ、１９・・負荷線
接続端子２０ ・
２点切替えスイッチ、
２０ａ ・
レ
ノ＼ −
・接点FIG. 1 is an exploded perspective view of an uninterruptible replacement device for an integrating watt-hour meter according to the present invention, and FIGS. 2(a) and 2(b) are 2
Figures 3(a) and 3(b) are explanatory diagrams and electrical circuit diagrams with the two-point changeover switch in the open position, and Figures 3(a) and 3(b) respectively show the two-point changeover switch in the short-circuit position. It is a diagram. 1. Electric energy meter body, 2. Terminal block, 3. Seal cover, 4.5.6.7.8. Pin terminal, 9.10.
11.12.13...Pin terminal connection terminal, 14.15.
16...Power line connection terminal, 17.1B, 19...Load line connection terminal 20・2-point changeover switch, 20a・Reno\-・Contact
Claims (1)
る一方、前記端子ブロックにそのピン端子を接続する端
子を夫々設け、前記電力量計本体と端子ブロックとを着
脱可能に形成すると共に、前記端子ブロックに電源線及
び負荷線を夫々接続する端子を備えて成る積算電力量計
において、前記端子ブロックに、開放時電力量計本体を
通して負荷端子へ、短絡時電源線と負荷線を短絡させ電
力量計本体の有無に関らず負荷端子へ、夫々電力を供給
可能となす接点開閉機構を備えた２点切替えスイッチを
設けたことを特徴とする積算電力量計の無停電取替え装
置３The power meter main body is provided with pin terminals that connect to the terminal blocks, and the terminal blocks are each provided with terminals that connect the pin terminals, so that the power meter main body and the terminal block are removably formed, and the terminal blocks are provided with terminals that connect the pin terminals. In an integrating watt-hour meter comprising terminals for connecting a power line and a load line to the block, the terminal block is connected to the load terminal through the watt-hour meter main body when open, and when short-circuited, the power line and load line are short-circuited. Uninterruptible replacement device 3 for an integrating watt-hour meter, characterized in that it is equipped with a two-point changeover switch equipped with a contact opening/closing mechanism that can supply power to each load terminal regardless of the presence or absence of the meter body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP28041189A JPH03140879A (en) | 1989-10-27 | 1989-10-27 | Replacing device of watt-hour meter without interruption of service |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP28041189A JPH03140879A (en) | 1989-10-27 | 1989-10-27 | Replacing device of watt-hour meter without interruption of service |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03140879A true JPH03140879A (en) | 1991-06-14 |
Family
ID=17624667
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP28041189A Pending JPH03140879A (en) | 1989-10-27 | 1989-10-27 | Replacing device of watt-hour meter without interruption of service |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03140879A (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007108008A (en) * | 2005-10-13 | 2007-04-26 | Chugoku Electric Power Co Inc:The | Watt-hour meter and instrument constituting it |
| CN102928637A (en) * | 2012-10-29 | 2013-02-13 | 浙江久恒电气有限公司 | Movable air switch protecting device |
| CN103499724A (en) * | 2013-09-25 | 2014-01-08 | 国家电网公司 | Four-way type no-power-outage device for quickly assembling and disassembling meter |
| CN103499721A (en) * | 2013-09-25 | 2014-01-08 | 国家电网公司 | Arrayed incoming-line six-way type device for fast assembling and disassembling ammeter in non-outage way |
| CN103499720A (en) * | 2013-09-25 | 2014-01-08 | 国家电网公司 | Arrayed incoming-line four-way type device for fast assembling and disassembling ammeter in non-outage way |
| CN103499722A (en) * | 2013-09-25 | 2014-01-08 | 国家电网公司 | Six-way type device for fast assembling and disassembling ammeter in non-outage way |
| CN103499723A (en) * | 2013-09-25 | 2014-01-08 | 国家电网公司 | Five-way type no-power-outage device for quickly assembling and disassembling meter |
| CN103513076A (en) * | 2013-09-25 | 2014-01-15 | 国家电网公司 | Row-type line-incoming five-way quick meter assembling and disassembling device with no need for cutting off power supply |
| CN103616539A (en) * | 2013-04-01 | 2014-03-05 | 杭州驰骋凯晟科技有限公司 | On-site automatic wiring apparatus and on-site crimping method for single-phase electric energy meter case |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6212869A (en) * | 1985-07-10 | 1987-01-21 | Toshiba Corp | Terminal structure for watt-hour meter |
-
1989
- 1989-10-27 JP JP28041189A patent/JPH03140879A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6212869A (en) * | 1985-07-10 | 1987-01-21 | Toshiba Corp | Terminal structure for watt-hour meter |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007108008A (en) * | 2005-10-13 | 2007-04-26 | Chugoku Electric Power Co Inc:The | Watt-hour meter and instrument constituting it |
| CN102928637A (en) * | 2012-10-29 | 2013-02-13 | 浙江久恒电气有限公司 | Movable air switch protecting device |
| CN103616539A (en) * | 2013-04-01 | 2014-03-05 | 杭州驰骋凯晟科技有限公司 | On-site automatic wiring apparatus and on-site crimping method for single-phase electric energy meter case |
| CN103499724A (en) * | 2013-09-25 | 2014-01-08 | 国家电网公司 | Four-way type no-power-outage device for quickly assembling and disassembling meter |
| CN103499721A (en) * | 2013-09-25 | 2014-01-08 | 国家电网公司 | Arrayed incoming-line six-way type device for fast assembling and disassembling ammeter in non-outage way |
| CN103499720A (en) * | 2013-09-25 | 2014-01-08 | 国家电网公司 | Arrayed incoming-line four-way type device for fast assembling and disassembling ammeter in non-outage way |
| CN103499722A (en) * | 2013-09-25 | 2014-01-08 | 国家电网公司 | Six-way type device for fast assembling and disassembling ammeter in non-outage way |
| CN103499723A (en) * | 2013-09-25 | 2014-01-08 | 国家电网公司 | Five-way type no-power-outage device for quickly assembling and disassembling meter |
| CN103513076A (en) * | 2013-09-25 | 2014-01-15 | 国家电网公司 | Row-type line-incoming five-way quick meter assembling and disassembling device with no need for cutting off power supply |
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