JPS6298426U - - Google Patents
Info
- Publication number
- JPS6298426U JPS6298426U JP19054885U JP19054885U JPS6298426U JP S6298426 U JPS6298426 U JP S6298426U JP 19054885 U JP19054885 U JP 19054885U JP 19054885 U JP19054885 U JP 19054885U JP S6298426 U JPS6298426 U JP S6298426U
- Authority
- JP
- Japan
- Prior art keywords
- switch
- operation box
- view
- phase
- bushing
- 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
- 238000001514 detection method Methods 0.000 claims description 6
- 239000004020 conductor Substances 0.000 claims description 2
- 238000010276 construction Methods 0.000 claims description 2
- 230000006698 induction Effects 0.000 claims 1
- 239000012212 insulator Substances 0.000 claims 1
- 230000005856 abnormality Effects 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
Landscapes
- Locating Faults (AREA)
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
- Emergency Protection Circuit Devices (AREA)
Description
第１図乃至第６図は本考案の実施例を示し、第
１図は検電検相回路のブロツク図、第２図及び第
３図は本考案のブツシング構造を示し、第２図は
その破断正面図、第３図はその部分の上面図であ
る。第４図乃至第６図は本考案によるブツシング
を備えた工事用開閉器を示し、第４図はその正面
図、第５図は側面図、第６図は底面図である。第
７図乃至第９図は従来例を示し、第７図はその開
閉器の全体構造の正面図、第８図はその側面図、
第９図はそのブツシング構造を示す破断正面図で
ある。
１：開閉器、１０：操作箱、１１：検電検相器
、１２：検電検相表示器、１３：切替スイツチ、
１４：ケース、１５：ブツシング、１６：中心導
体、１７：フランジ金具、１９：パツキン、２３
：Ｏリング、５１：電極板、５２：端子金具、５
３：引出導線。υｊｉ（ｊ＝１，２；ｉ＝１，２
，３）：誘起電圧、Ｐｊｉ（ｊ＝１，２；ｉ＝１
，２，３）：入力端子、Ｚｊｉ（ｊ＝１，２；ｉ
＝１，２，３）：波形成形回路、Ｌｊｉ（ｊ＝１
，２；ｉ＝１，２，３）：レベル検出回路、ＡＤ
ｊｉ（ｊ＝１，２；ｉ＝１，２，３）：アンド回
路、ＣＰｉ（ｉ＝１，２，３）：位相比較回路、
ＳＧｉ（ｉ＝１，２，３）：位相異常表示器、Ｓ
Ｇ４：欠相表示器、ＤＰ：電源確認表示器、ＡＬ
：警報回路、ＳＰ：警報装置、Ｂ：警報器、ＳＷ
：スイツチ、Ｅ，Ｅ１，Ｅ２，Ｅ３，Ｅ０：電源
。
1 to 6 show embodiments of the present invention, FIG. 1 is a block diagram of a voltage detection phase detection circuit, FIGS. 2 and 3 show the bushing structure of the present invention, and FIG. The cutaway front view and FIG. 3 are top views of that part. 4 to 6 show a construction switch equipped with a bushing according to the present invention, in which FIG. 4 is a front view, FIG. 5 is a side view, and FIG. 6 is a bottom view. 7 to 9 show a conventional example, FIG. 7 is a front view of the overall structure of the switch, FIG. 8 is a side view thereof,
FIG. 9 is a cutaway front view showing the bushing structure. 1: Switch, 10: Operation box, 11: Voltage detection phase detector, 12: Voltage detection phase display, 13: Changeover switch,
14: Case, 15: Bushing, 16: Center conductor, 17: Flange fitting, 19: Packing, 23
: O-ring, 51: Electrode plate, 52: Terminal fitting, 5
3: Leading wire. υji (j=1,2; i=1,2
, 3): induced voltage, Pji (j=1, 2; i=1
, 2, 3): input terminal, Zji (j=1, 2; i
=1,2,3): Waveform shaping circuit, Lji (j=1
, 2; i=1, 2, 3): Level detection circuit, AD
ji (j = 1, 2; i = 1, 2, 3): AND circuit, CPi (i = 1, 2, 3): phase comparison circuit,
SGi (i=1, 2, 3): Phase abnormality indicator, S
G4 : Open phase indicator, DP: Power supply confirmation indicator, AL
: Alarm circuit, SP: Alarm device, B: Alarm, SW
: Switch, E, E 1 , E 2 , E 3 , E 0 : Power supply.
Claims (1)
体１６を貫挿固定した絶縁物より成る電源側、負
荷側各相のブツシングの外周部に静電誘導中間電
極５１を設け、電源側各相（Ｒ，Ｓ，Ｔ）、負荷
側各相Ｕ，Ｖ，Ｗの前記中間電極１５における誘
起電圧信号〔υ１ｉ，υ２ｉ（ｉ＝１，２，３）
〕を、開閉器１に付属する操作箱１０内に引込み
、この操作箱１０内の検電検相器１１にて検定し
、その結果を操作箱１０の表面に設置した表示器
１２で表示するようにしたことを特徴とする検電
検相器付工事用開閉器。[Claims for Utility Model Registration] An electrostatic induction intermediate electrode is provided on the outer periphery of each phase bushing on the power supply side and load side, which is made of an insulator that penetrates the case 14 of the switch 1 and has the central conductor 16 inserted and fixed in the center. 51 is provided, and the induced voltage signals [υ 1 i, υ 2 i (i=1, 2, 3 )
] is drawn into the operation box 10 attached to the switch 1, verified by the voltage detector 11 in the operation box 10, and the result is displayed on the display 12 installed on the surface of the operation box 10. A construction switch equipped with a voltage detection phase detector, characterized in that:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19054885U JPH0347415Y2 (en) | 1985-12-10 | 1985-12-10 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19054885U JPH0347415Y2 (en) | 1985-12-10 | 1985-12-10 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6298426U true JPS6298426U (en) | 1987-06-23 |
| JPH0347415Y2 JPH0347415Y2 (en) | 1991-10-09 |
Family
ID=31143866
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19054885U Expired JPH0347415Y2 (en) | 1985-12-10 | 1985-12-10 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0347415Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2021063750A (en) * | 2019-10-16 | 2021-04-22 | 中国電力株式会社 | Earth fault point locating system |
-
1985
- 1985-12-10 JP JP19054885U patent/JPH0347415Y2/ja not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2021063750A (en) * | 2019-10-16 | 2021-04-22 | 中国電力株式会社 | Earth fault point locating system |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0347415Y2 (en) | 1991-10-09 |
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