JPH0344352U - - Google Patents
Info
- Publication number
- JPH0344352U JPH0344352U JP10257389U JP10257389U JPH0344352U JP H0344352 U JPH0344352 U JP H0344352U JP 10257389 U JP10257389 U JP 10257389U JP 10257389 U JP10257389 U JP 10257389U JP H0344352 U JPH0344352 U JP H0344352U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- switching element
- wire
- current signal
- charging
- 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
Landscapes
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
Description
第１図は本考案の一実施例である配電線搬送用
電流信号送信回路の回路図、第２図は第１図々示
送信回路の動作波形図、第３図は一般的な電流信
号伝送方式の構成図、第４図は従来の抵抗チヨツ
パ方式の送信回路の回路図、第５図は従来のＬＣ
共振方式の送信回路の回路図である。
３１……単相３線式の配電用変圧器、３３……
電流信号送信回路、３４……整流ダイオードブリ
ツジ、３５……充電用トランジスタ、３６……放
電用トランジスタ、３７……電流制限用リアクト
ル、３８……充放電用コンデンサ、３９……スイ
ツチング制御回路、Ｌ１，Ｌ２……側線、Ｎ……
中性線。
Fig. 1 is a circuit diagram of a current signal transmitting circuit for power distribution lines that is an embodiment of the present invention, Fig. 2 is an operating waveform diagram of the transmitting circuit shown in Fig. 1, and Fig. 3 is a general current signal transmission circuit. The configuration diagram of the system, Figure 4 is the circuit diagram of the conventional resistance chopper type transmission circuit, and Figure 5 is the conventional LC
FIG. 2 is a circuit diagram of a resonance type transmission circuit. 31...Single-phase three-wire distribution transformer, 33...
Current signal transmission circuit, 34... Rectifier diode bridge, 35... Charging transistor, 36... Discharging transistor, 37... Current limiting reactor, 38... Charging/discharging capacitor, 39... Switching control circuit, L 1 , L 2 ... Side track, N ...
neutral wire.
Claims (1)
圧器の２次側に電流信号を注入する配電線搬送用
電流信号送信回路であつて、単相３線式変圧器の
２次側の一方の側線と中性線間の電圧を整流する
整流回路と、一端が前記単相３線式変圧器の２次
側の他方の側線に接続されたコンデンサ及びリア
クトルの直列回路と、前記整流回路の正極端子と
前記直列回路の他端とを結ぶ充電路中に挿入され
た充電用スイツチング素子と、前記整流回路の負
極端子と前記直列回路の他端とを結ぶ放電路中に
挿入された放電用スイツチング素子と、前記充電
用スイツチング素子と前記放電用スイツチング素
子とを交互に信号周波数周期でスイツチングさせ
るスイツチング制御回路とを備えた配電線搬送用
電流信号送信回路。 This is a current signal transmission circuit for carrying a distribution line that injects a current signal into the secondary side of a single-phase three-wire transformer whose primary side is connected to a high-voltage distribution line. a rectifier circuit that rectifies the voltage between one side wire and a neutral wire of the transformer; a series circuit of a capacitor and a reactor whose one end is connected to the other side wire of the secondary side of the single-phase three-wire transformer; A charging switching element inserted into a charging path connecting the positive terminal of the circuit and the other end of the series circuit, and a charging switching element inserted into the discharge path connecting the negative terminal of the rectifier circuit and the other end of the series circuit. A current signal transmission circuit for carrying a power distribution line, comprising a discharging switching element and a switching control circuit that alternately switches the charging switching element and the discharging switching element at a signal frequency cycle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989102573U JPH0735465Y2 (en) | 1989-08-31 | 1989-08-31 | Current signal transmission circuit for distribution line transportation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989102573U JPH0735465Y2 (en) | 1989-08-31 | 1989-08-31 | Current signal transmission circuit for distribution line transportation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0344352U true JPH0344352U (en) | 1991-04-24 |
| JPH0735465Y2 JPH0735465Y2 (en) | 1995-08-09 |
Family
ID=31651467
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989102573U Expired - Fee Related JPH0735465Y2 (en) | 1989-08-31 | 1989-08-31 | Current signal transmission circuit for distribution line transportation |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0735465Y2 (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52158332U (en) * | 1976-05-26 | 1977-12-01 | ||
| JPS61198927A (en) * | 1985-02-28 | 1986-09-03 | Kyushu Denki Seizo Kk | Frequency shift modulation signal injecting device utilizing coarsely coupled transformer |
-
1989
- 1989-08-31 JP JP1989102573U patent/JPH0735465Y2/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52158332U (en) * | 1976-05-26 | 1977-12-01 | ||
| JPS61198927A (en) * | 1985-02-28 | 1986-09-03 | Kyushu Denki Seizo Kk | Frequency shift modulation signal injecting device utilizing coarsely coupled transformer |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0735465Y2 (en) | 1995-08-09 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |