JPH0451670U - - Google Patents
Info
- Publication number
- JPH0451670U JPH0451670U JP9332790U JP9332790U JPH0451670U JP H0451670 U JPH0451670 U JP H0451670U JP 9332790 U JP9332790 U JP 9332790U JP 9332790 U JP9332790 U JP 9332790U JP H0451670 U JPH0451670 U JP H0451670U
- Authority
- JP
- Japan
- Prior art keywords
- output
- bypass line
- bypass
- circuit
- outputs
- 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 5
- 238000012790 confirmation Methods 0.000 claims description 4
- 238000007493 shaping process Methods 0.000 claims description 3
- 238000012795 verification Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
Description
第１図は本考案に係るバイパス確認装置の一実
施例を示す回路構成図、第２図は単相３線式の電
力量計での絶縁電線の線間電圧及びパルス発生回
路で生成されるパルスを示す波形図、第３図は三
相３線式の電力量計での絶縁電線の線間電圧及び
パルス発生回路で生成されるパルスを示す波形図
である。第４図は単相３線式の電力量計の端子部
及び絶縁電線を示す斜視図、第５図は電力量計を
活線状態で取替える作業時でのバイパス線接続状
態を示す斜視図である。
３ａ〜５ａ，３ｂ〜５ｂ……絶縁電線、３ｃ〜
５ｃ……バイパス線、２１〜２４……パルス発生
回路、２５，２６……検相回路、２７，２８……
パルス整形回路、２９……検相確認回路、３０…
…表示手段、３２〜３４……バイパス用スイツチ
。
Fig. 1 is a circuit configuration diagram showing an embodiment of the bypass confirmation device according to the present invention, and Fig. 2 shows the line voltage of an insulated wire in a single-phase three-wire watt-hour meter and the voltage generated by the pulse generation circuit. A waveform diagram showing pulses. FIG. 3 is a waveform diagram showing the line voltage of an insulated wire and pulses generated by a pulse generation circuit in a three-phase three-wire power meter. Fig. 4 is a perspective view showing the terminals and insulated wires of a single-phase three-wire watt-hour meter, and Fig. 5 is a perspective view showing the state of bypass wire connections during work to replace the watt-hour meter while it is live. be. 3a~5a, 3b~5b...Insulated wire, 3c~
5c... Bypass line, 21-24... Pulse generation circuit, 25, 26... Phase detection circuit, 27, 28...
Pulse shaping circuit, 29... Phase detection confirmation circuit, 30...
... Display means, 32 to 34 ... Bypass switch.
Claims (1)
なす絶縁電線同士間に一時的に接続された複数の
バイパス線が、対応する絶縁電線同士間に正常に
接続されているか否かを判別するものであつて、 各バイパス線間に接続され、その線間電圧によ
り所定のタイミングでパルスを生成する複数対の
パルス発生回路と、入力が対をなすパルス発生回
路同士の出力に接続され、そのパルス発生回路の
各出力の論理積を出力する複数の検相回路と、入
力が各検相回路の出力に接続され、各検相回路の
出力パルスを波形整形してその位相差を補正する
複数のパルス整形回路と、入力が各パルス整形回
路の出力に接続され、そのパスル整形回路の各出
力の論理積を出力する単一の検相確認回路と、そ
の検相確認回路の出力に接続され、その出力信号
に基づいて各バイパス線が正常に接続されている
か否かを報知する表示手段と、各バイパス線に並
列接続され、各バイパス線の絶縁電線への接続時
にＯＦＦされ、表示手段によるバイパス線の正常
接続確認後にＯＮされるバイパス用スイツチとか
らなることを特徴とするバイパス確認装置。[Scope of Claim for Utility Model Registration] Among multiple pairs of insulated wires that are being charged, a plurality of bypass wires that are temporarily connected between the pairs of insulated wires are normally connected between the corresponding insulated wires. It is a device that determines whether or not the bypass line is connected, and includes a plurality of pairs of pulse generation circuits that are connected between each bypass line and generate pulses at a predetermined timing based on the line voltage, and a pulse generation circuit that has a pair of inputs. A plurality of phase detection circuits are connected to each other's outputs and output the logical product of the respective outputs of the pulse generation circuits, and the inputs are connected to the outputs of each phase detection circuit and shape the output pulses of each phase detection circuit. a single phase verification circuit whose input is connected to the output of each pulse shaping circuit and outputs the AND of each output of the pulse shaping circuit; A display means is connected to the output of the phase confirmation circuit and informs whether or not each bypass line is properly connected based on the output signal, and a display means is connected in parallel to each bypass line and is connected to the insulated wire of each bypass line. A bypass confirmation device comprising a bypass switch that is turned off when connected and turned on after confirming normal connection of the bypass line by display means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9332790U JPH0617087Y2 (en) | 1990-09-04 | 1990-09-04 | Bypass confirmation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9332790U JPH0617087Y2 (en) | 1990-09-04 | 1990-09-04 | Bypass confirmation device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0451670U true JPH0451670U (en) | 1992-04-30 |
| JPH0617087Y2 JPH0617087Y2 (en) | 1994-05-02 |
Family
ID=31830441
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9332790U Expired - Lifetime JPH0617087Y2 (en) | 1990-09-04 | 1990-09-04 | Bypass confirmation device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0617087Y2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014137346A (en) * | 2013-01-18 | 2014-07-28 | Enegate Co Ltd | Electric power measurement device cable bypass connection assist system and electric power measurement device cable bypass connection method using the same |
| JP2020076689A (en) * | 2018-11-09 | 2020-05-21 | 日動電工株式会社 | Uninterruptible meter attachment tool |
-
1990
- 1990-09-04 JP JP9332790U patent/JPH0617087Y2/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014137346A (en) * | 2013-01-18 | 2014-07-28 | Enegate Co Ltd | Electric power measurement device cable bypass connection assist system and electric power measurement device cable bypass connection method using the same |
| JP2020076689A (en) * | 2018-11-09 | 2020-05-21 | 日動電工株式会社 | Uninterruptible meter attachment tool |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0617087Y2 (en) | 1994-05-02 |
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