JPS637131A - Feeding system - Google Patents
Feeding systemInfo
- Publication number
- JPS637131A JPS637131A JP14923886A JP14923886A JPS637131A JP S637131 A JPS637131 A JP S637131A JP 14923886 A JP14923886 A JP 14923886A JP 14923886 A JP14923886 A JP 14923886A JP S637131 A JPS637131 A JP S637131A
- Authority
- JP
- Japan
- Prior art keywords
- power supply
- section
- overvoltage
- power
- pulse
- 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.)
- Pending
Links
- 238000001514 detection method Methods 0.000 claims description 19
- 230000005540 biological transmission Effects 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
Landscapes
- Emergency Protection Circuit Devices (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【発明の詳細な説明】
技術分野
本発明は給電方式に関し、特に伝送ケーブルを介して中
継器へ給電をなす給電方式に関するものである。DETAILED DESCRIPTION OF THE INVENTION Technical Field The present invention relates to a power supply system, and more particularly to a power supply system for supplying power to a repeater via a transmission cable.
従来技術
従来、ＰＧＭ−２４方式における中継器への給電方式は
、第２図に示す如く、給電部１に設けられた給電投入ス
イッチ７を手動にてオンオフ操作することにより給電の
オンオフが制御可能となっている。尚、図において４は
給電入力であり、５は給電出力である。Conventional technology Conventionally, in the PGM-24 system, power supply to a repeater is controlled by manually turning on/off a power supply switch 7 provided in a power supply section 1, as shown in FIG. It becomes. In the figure, 4 is a power supply input, and 5 is a power supply output.
かかる従来の給電方式は給電部１の給電投入スイッチ７
を手動にてオンオフ制御する方式となっているので、伝
送路の支障移設等を実施する場合、局舎へ人間が出向い
て行き給電部１の給電投入スイッチ７をオフとした後、
支障移設等の作業を開始している。そして、作業が終了
すると再び局舎へ人間が行って給電部１の給電投入スイ
ッチ７をオンとする必要があり、よって局舎への往復時
間を必要とすると共に更には給電投入スイッチのオンオ
フ操作を行わなければならないという頻雑さがある。Such a conventional power supply method uses the power supply turn-on switch 7 of the power supply unit 1.
Since it is a method of manually on/off control, when relocating the transmission line due to interference, etc., a person goes to the station building and turns off the power supply switch 7 of the power supply unit 1, and then
Work has begun to relocate obstacles. When the work is completed, a person must go back to the station building and turn on the power supply switch 7 of the power supply section 1, which requires time to go back and forth to the station building, and also requires the on/off operation of the power supply switch. There is a frequency of having to do this.
発明の目的
本発明は上記従来のものの欠点を解決すべ（なされたも
のであって、その目的とすることろは、自動的に給電の
オンオフを行うようにして、局舎への往復による時間的
損失やオンオフ操作の頻雑さを防止することが可能な給
電方式を提供することにある。Purpose of the Invention The present invention has been made to solve the above-mentioned drawbacks of the conventional ones.The purpose of the present invention is to automatically turn on and off the power supply, thereby reducing the time required for going back and forth to the station. The object of the present invention is to provide a power supply method that can prevent losses and frequency of on/off operations.
発明の構成
本発明によれば、伝送ケーブルを介して中継器へ給電を
なす給電方式であって、給電部の給電出力が過電圧状態
になったことを検出する過電圧検出手段を設け、この過
電圧検出手段の過電圧検出に応答して前記給電部の給電
を断として所定期間後に前記給電部の給電を再開するよ
う制御したことを特徴とする給電方式が得られる。Structure of the Invention According to the present invention, there is provided a power supply system in which power is supplied to a repeater via a transmission cable, and an overvoltage detection means is provided for detecting that the power supply output of the power supply section is in an overvoltage state. A power supply system is obtained, characterized in that the power supply to the power supply unit is cut off in response to overvoltage detection by the means, and the power supply to the power supply unit is restarted after a predetermined period.
実施例
以下、図面を用いて本発明の実施例につき詳述、 する
。EXAMPLES Hereinafter, examples of the present invention will be described in detail with reference to the drawings.
第１図は本発明の実施例のブロック図であり、第２図と
同等部分は同一符号により示されている。FIG. 1 is a block diagram of an embodiment of the present invention, and parts equivalent to those in FIG. 2 are designated by the same reference numerals.
図において、給電部１の給電出力５は過電圧検出部２に
より常時その出力電圧状態が監視されており、過電圧状
態が検出されるとこの検出情報がタイマ付パルス発生部
３へ送出される。このタイマ付パルス発生部３はこの検
出情報の発生に応答して給電部１の給電を断として所定
時間後にパルスを発生し、これを給電部１へ送出する。In the figure, the output voltage state of the power supply output 5 of the power supply section 1 is constantly monitored by the overvoltage detection section 2, and when an overvoltage state is detected, this detection information is sent to the timer-equipped pulse generation section 3. In response to the generation of this detection information, the timer-equipped pulse generating section 3 cuts off the power supply to the power feeding section 1, generates a pulse after a predetermined period of time, and sends the pulse to the power feeding section 1.
この給電部３は当該パルスの受信に応答して給電出力５
を再開する様動作する。This power supply unit 3 responds to the reception of the pulse with a power supply output 5.
It works like restarting.
かかる構成において、伝送路支障移設時にはケーブルが
切断されてオーブン状態となることから、給電部１の給
電出力５は最大出力電圧■ となｌａｘ
る。過電圧検出部２ではこの最大出力電圧ＶＩＩｌａｘ
を検出して検出と同時にこの検出信号（地気とする）を
タイマ付パルス発生部３へ送出する。この検出信号であ
る地気を受信したタイマ付パルス発生部３は給電部１の
給電を断とすると共に、−定の遅延時間後（この遅延時
間は任意に設定されるものとする）にパルスを発生し給
電部１へこれを送出する。このパルスを受ける給電部１
では、このパルスの到来に応答して給電を再開するもの
である。In such a configuration, when a transmission path failure occurs, the cable is cut and the cable is placed in an oven state, so that the power supply output 5 of the power supply unit 1 becomes the maximum output voltage lax. In the overvoltage detection section 2, this maximum output voltage VIIlax
is detected, and at the same time as the detection, this detection signal (referred to as earth air) is sent to the timer-equipped pulse generator 3. The timer-equipped pulse generator 3, which has received this detection signal, cuts off the power supply to the power supply unit 1, and pulses the pulse after a certain delay time (this delay time is set arbitrarily). is generated and sent to the power supply unit 1. Power supply unit 1 receiving this pulse
In this case, power supply is restarted in response to the arrival of this pulse.
従って、ケーブルオーブン状態が解除されない限り給電
部１の給電出力５は過電圧状態（■０．ｘ）にあるので
、タイマ付パルス発生部３によるパルス発生に応答して
給電部１が給電を再開しても、過分圧検出部２はやはり
過電圧を検出することになるから、検出信号である地気
がタイマ付パルス発生部３へ送出されると、これに応答
して給電部１は給電を停止する。しかる後に一定時間後
パルス発生部３からパルスが発生されて、給電部１はこ
れに応答して給電を再開することになる。Therefore, unless the cable oven state is released, the power supply output 5 of the power supply unit 1 is in the overvoltage state (■0.x), so the power supply unit 1 resumes power supply in response to the pulse generation by the timer pulse generator 3. However, the over-partial pressure detection section 2 still detects overvoltage, so when the detection signal of earth is sent to the timer pulse generation section 3, the power supply section 1 stops power supply in response. do. After a certain period of time, a pulse is generated from the pulse generating section 3, and the power supply section 1 resumes power supply in response to this.
ケーブルオーブン状態が解除されない限り以上の動作が
繰返されることになり、ケーブルオーブン状態が解除さ
れるまで続く。ケーブルオーブン状態が解除されると、
給電出力５は正常電圧となるので、過電圧検出部２から
は検出信号は以降何等発生されることはない。よって、
タイマ付パルス発生部３も動作を停止して、給電部１は
以後給電を続行するのである。The above operations will be repeated unless the cable oven state is released, and will continue until the cable oven state is released. When the cable oven condition is released,
Since the power supply output 5 becomes a normal voltage, no detection signal is generated from the overvoltage detection section 2 thereafter. Therefore,
The timer-equipped pulse generator 3 also stops operating, and the power supply section 1 continues to supply power thereafter.
こうすることにより、給電部のオンオフ用スイッチを何
等操作することなく、自動的に給電のオンオフ制御が可
能となる。By doing so, it becomes possible to automatically turn on and off the power supply without operating any on/off switch of the power supply unit.
尚、過電圧検出部２が給電出力の過電圧であるＶＩＩｌ
ａｘを検出して給電部１を再び断とするまでの時間、こ
の■ｌｌ１８Ｘが伝送路支障移設作業部のケーブル切断
先端部へ供給されて、作業者に対する危険を招来するこ
とが考えられるが、当該作業の際には、作業区間の給電
端子をオーブンとして行い、作業終了後にその給電端子
をオン接続するものであるため、上記危険は生じないも
のである。In addition, when the overvoltage detection unit 2 detects the overvoltage of the power supply output,
During the time it takes for the power supply section 1 to be cut off again after detecting a During the work, the power supply terminal in the work section is used as an oven, and the power supply terminal is turned on after the work is completed, so the above-mentioned danger does not occur.
発明の効果
以上の如く、本発明によれば、過電圧検出部を設けて給
電出力の電圧を定期的に監視するようにし、過電圧状態
が解除されると給電を以降再開するものであるから、自
動的に給電のオンオフ制御が可能となるという効果があ
る。よって、伝送路支障移設時における作業において、
作業者は局舎へ往復することなくまた給電スイッチの操
作をなすことなく、給電のオンオフが可能となる。Effects of the Invention As described above, according to the present invention, an overvoltage detection section is provided to periodically monitor the voltage of the power supply output, and when the overvoltage state is released, the power supply is resumed from then on. This has the effect of enabling on/off control of power supply. Therefore, in the work when relocating a transmission line,
Workers can turn on and off the power supply without having to go back and forth to the station building or operating a power supply switch.
【図面の簡単な説明】
第１図は本発明の実施例のブロック図、第２図は従来の
給電方式の例を説明する図である。
主要部分の符号の説明
１・・・・・・給電部
２・・・・・・過電圧検出部BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a block diagram of an embodiment of the present invention, and FIG. 2 is a diagram illustrating an example of a conventional power feeding system. Explanation of symbols of main parts 1...Power supply section 2...Overvoltage detection section
Claims (1)
つて、給電部の給電出力が過電圧状態になつたことを検
出する過電圧検出手段を設け、この過電圧検出手段の過
電圧検出に応答して前記給電部の給電を断として所定期
間後に前記給電部の給電を再開するよう制御したことを
特徴とする給電方式。This is a power supply system that supplies power to a repeater via a transmission cable, and is provided with overvoltage detection means for detecting that the power supply output of the power supply unit has entered an overvoltage state, and in response to the overvoltage detection by the overvoltage detection means, the above-mentioned A power feeding method characterized in that power feeding from a power feeding section is cut off and power feeding from the power feeding section is restarted after a predetermined period of time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14923886A JPS637131A (en) | 1986-06-25 | 1986-06-25 | Feeding system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14923886A JPS637131A (en) | 1986-06-25 | 1986-06-25 | Feeding system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS637131A true JPS637131A (en) | 1988-01-13 |
Family
ID=15470901
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14923886A Pending JPS637131A (en) | 1986-06-25 | 1986-06-25 | Feeding system |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS637131A (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5629952A (en) * | 1979-08-15 | 1981-03-25 | Masakichi Kawahara | Preparation of milk drink |
| JPS59232258A (en) * | 1983-06-14 | 1984-12-27 | Sanyo Tokushu Seikou Kk | Free-cutting, corrosion resistant and soft magnetic steel for bar or pipe with superior toughness |
-
1986
- 1986-06-25 JP JP14923886A patent/JPS637131A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5629952A (en) * | 1979-08-15 | 1981-03-25 | Masakichi Kawahara | Preparation of milk drink |
| JPS59232258A (en) * | 1983-06-14 | 1984-12-27 | Sanyo Tokushu Seikou Kk | Free-cutting, corrosion resistant and soft magnetic steel for bar or pipe with superior toughness |
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