JPH0654974B2 - Uninterruptible power supply device for CATV transmission line system - Google Patents
Uninterruptible power supply device for CATV transmission line systemInfo
- Publication number
- JPH0654974B2 JPH0654974B2 JP60039403A JP3940385A JPH0654974B2 JP H0654974 B2 JPH0654974 B2 JP H0654974B2 JP 60039403 A JP60039403 A JP 60039403A JP 3940385 A JP3940385 A JP 3940385A JP H0654974 B2 JPH0654974 B2 JP H0654974B2
- Authority
- JP
- Japan
- Prior art keywords
- power supply
- supply device
- center
- storage battery
- input
- 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.)
- Expired - Lifetime
Links
- 230000005540 biological transmission Effects 0.000 title claims description 20
- 238000012544 monitoring process Methods 0.000 claims description 19
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 230000005856 abnormality Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
Landscapes
- Stand-By Power Supply Arrangements (AREA)
- Details Of Television Systems (AREA)
Description
【発明の詳細な説明】 産業上の利用分野 本発明はＣＡＴＶ伝送路システムにおいて使用する無停
電給電装置に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an uninterruptible power supply system used in a CATV transmission line system.
従来の技術 最初に、一般のＣＡＴＶ伝送路システムの構成について
第２図を参照して説明すると、まず、ＣＡＴＶ伝送の送
信元となるセンタ１１は、放送電波の受信装置１２と録
画再生装置１３と、これらの両装置のいずれかからの映
像信号を受けて伝送路に送り出す送信機１４とを備えて
いる。送信機１４から伝送路に送出された信号は、多数
の中継器１５−１，１５−２，１５−３を介し、または
途中から分岐した中継器１５−４を介し、さらに分配器
１６を経て末端の多数の受信装置に受信される。そして
前記の多数の中継器は、それぞれ単独のまたは数個にて
共通とする給電装置３から電源を供給されている。この
給電装置３は、端子１から通常商用電源の交流電圧１０
０ボルトを受け、これを交流電圧３０ボルト（将来は６
０ボルトが予想されている）に変換し、端子２から中継
器１５−２に、またはさらにこの中継器から伝送路に重
畳して他の中継器１５−１，１５−４等に給電してい
る。2. Description of the Related Art First, a configuration of a general CATV transmission line system will be described with reference to FIG. 2. First, a center 11 which is a transmission source of CATV transmission includes a broadcast radio wave receiving device 12 and a recording / reproducing device 13. , A transmitter 14 that receives a video signal from either of these devices and sends it to a transmission path. The signal sent from the transmitter 14 to the transmission path is passed through a number of relays 15-1, 15-2, 15-3, or a relay 15-4 branched from the middle, and further through a distributor 16. It is received by a large number of receiving devices at the end. The plurality of repeaters are individually or individually supplied with power from a common power supply device 3. This power supply device 3 is provided with an AC voltage 10 of a normal commercial power source from the terminal 1.
Receive 0 volt and apply this to an alternating voltage of 30 volt (6
0 volt is expected), and the power is supplied from the terminal 2 to the repeater 15-2 or further from this repeater to the transmission path and to the other repeaters 15-1, 15-4, etc. There is.
この給電装置３は、商用電源が停電したときは、それま
で商用電源により充電しておいた蓄電池に電源を切り換
えて、この蓄電池の直流電圧をインバータにより前記低
電圧の交流電圧に変換して任意の個数の中継器に給電し
ている。When the commercial power supply fails, the power supply device 3 switches the power supply to the storage battery that has been charged by the commercial power supply until then, and converts the DC voltage of the storage battery into the low-voltage AC voltage by the inverter and arbitrarily Powering up to the number of repeaters.
発明が解決しようとする問題点 上述した給電装置において、商用電源の停電時切り換え
られて電源となる蓄電池は、一定の限界電圧以下に低下
すると、最早再充電が不可能な状態におち入るが、この
蓄電池の電圧状態は給電装置の場所にあるメータにより
監視することができるが、ここは常時は無人で、監視に
際しては数百メートルまたはそれ以上離れたセンタから
監視員が出向いて行って、監視を行うことになり、甚し
く手間のかかることになる。また場合によっては、前記
の蓄電池電圧の監視が不十分なため、停電時、給電装置
からの給電が皆無になるという好ましくない状態におち
入る危険性があった。Problems to be Solved by the Invention In the above-described power supply device, the storage battery that is switched and used as a power supply during a power failure of the commercial power supply falls into a state in which recharge is no longer possible when the voltage drops below a certain limit voltage, The voltage status of this storage battery can be monitored by a meter at the location of the power supply device, but this is always unattended, and monitoring is performed by a monitor sent from a center several hundred meters or more away. Will be extremely troublesome. Further, in some cases, since the storage battery voltage is insufficiently monitored, there is a risk of entering an unfavorable state in which no power is supplied from the power supply device during a power failure.
問題点を解決するための手段 本発明は上述したように、給電装置の場所にある蓄電池
の電圧状態の監視が煩雑であったり、またそのために停
電時に給電装置から中継器への電源供給が行われなくな
るという問題点を解決するために、蓄電池の電圧状態と
給電装置におけるその他の事故有無状態とを常に自動的
にセンタへ通報させ、センタにおいては、これらの情報
を得て対処するとともに、無事故が確認された場合に
も、さらに給電装置に制御信号を送って、給電装置に入
力する電源を商用電源より蓄電池に切り換えて、無停電
時の動作状態を作り出して、この動作が確実に行わるか
否かの試験ができるようにしたものである。Means for Solving the Problems As described above, according to the present invention, it is complicated to monitor the voltage state of the storage battery at the location of the power supply device, and therefore, the power supply device supplies power to the repeater during a power failure. In order to solve the problem of being prevented from being lost, the voltage status of the storage battery and the status of other accidents in the power supply device are always automatically notified to the center. Even if it is confirmed, a control signal is further sent to the power supply device to switch the power supply input to the power supply device from the commercial power supply to the storage battery to create an operating state during uninterruption, and this operation is performed reliably. This is so that it can be tested.
その技術的手段として、ＣＡＴＶ伝送の送信元となるセ
ンタと、このセンタからの伝送路途上に多数個配設され
た中継器と、これらの中継器に電源を供給する給電装置
と、前記中継器のうちの適宜の中継器に分配器を介して
接続された末端の多数個の受信装置とよりなるＣＡＴＶ
伝送路システムにおいて、入力端より入力された商用電
源を電圧降下して出力する給電装置と、この給電装置に
接続された蓄電池と、この蓄電池に接続された蓄電池状
態検出器と、この検出器の出力と前記給電装置からの諸
種の警報出力とが入力される動作状態監視転送器と、こ
の転送器からの状態監視信号を挿入されこれをセンタへ
送出する状態監視信号挿入器と、センタから送られてく
る制御信号を前記挿入器を介して入力されこれを給電装
置より中継器への電源供給ラインより抽出する抽出器
と、この抽出器にて抽出された制御信号を入力されるこ
とにより前記給電装置の入力電源を商用電源より前記蓄
電池に切り換える制御器とより給電装置が構成されるよ
うにしたものである。As technical means thereof, a center which is a transmission source of CATV transmission, a plurality of repeaters arranged on the transmission path from the center, a power feeding device for supplying power to these repeaters, and the repeater CATV comprising a plurality of terminal receiving devices connected to a suitable repeater among
In a transmission path system, a power supply device that drops a commercial power input from an input end and outputs it, a storage battery connected to this power supply device, a storage battery state detector connected to this storage battery, and this detector The output and the various alarm outputs from the power supply device are input, the operation state monitoring transfer device, the state monitoring signal insertion device that inserts the state monitoring signal from this transfer device and sends it to the center, and the transmission from the center. The control signal extracted from the power supply line to the repeater from the power supply device and the control signal extracted by the extractor are input. The power supply device is configured by a controller that switches the input power supply of the power supply device from the commercial power supply to the storage battery.
作用 上述した構成を採用することにより、センタにては常に
給電装置の場所にある蓄電池の状態と給電装置の状態と
を、給電装置から送られてくる動作状態監視信号により
知ることができ、異常がない場合には、さらにセンタか
ら給電装置に制御信号を送り、給電装置への入力電源を
商用電源から蓄電池に切り替え、停電時と同一の動作状
態を作り出して、その動作の確実性を確認することがで
きる。Operation By adopting the above-described configuration, the center can always know the state of the storage battery and the state of the power supply device at the place of the power supply device by the operation state monitoring signal sent from the power supply device, and the abnormality If there is not, the control signal is further sent from the center to the power feeding device, the input power to the power feeding device is switched from the commercial power source to the storage battery, the same operating state as at the time of power failure is created, and the certainty of the operation is confirmed. be able to.
実施例 次に本発明の実施例について図面を参照して説明する。Embodiments Next, embodiments of the present invention will be described with reference to the drawings.
第１図は本発明の一実施例のブロック回路図である。図
において、端子１は給電装置の入力端であり、商用電源
電圧が入力される。給電装置３は、端子１からの入力電
圧をＣＡＴＶ伝送路システムに必要な安定化電圧を、後
述する制御信号抽出器８と状態監視信号挿入器９を損失
なく通過して、端子２を介して出力するとともに、常時
蓄電池４を充電している。この蓄電池４は、前記の端子
１から入力電圧が供給されなくなったとき、給電装置３
内のリレーが動作して、給電装置３を動作させる。この
際切換は自動的に行われる。前記の端子２は、センタか
らの例えば１０数メガヘルツの電源切換用制御信号入力
端をも兼ねており、その制御信号は状態監視信号挿入器
９を損失なく通過して、センタからの制御信号抽出器８
に入力され、その出力は給電装置３の動作を商用電源電
圧による動作か、あるいは蓄電池電圧による動作かのい
ずれかに切り換えることを可能にする制御器７へ入力さ
れる。FIG. 1 is a block circuit diagram of an embodiment of the present invention. In the figure, a terminal 1 is an input terminal of the power supply device, and a commercial power supply voltage is input to it. The power feeding device 3 passes the input voltage from the terminal 1 through the stabilized voltage required for the CATV transmission line system through the control signal extractor 8 and the state monitoring signal inserter 9 described later without loss and through the terminal 2. While outputting, the storage battery 4 is constantly charged. The storage battery 4 is provided with a power supply device 3 when the input voltage is no longer supplied from the terminal 1.
The relay inside operates to operate the power supply device 3. At this time, switching is automatically performed. The above-mentioned terminal 2 also serves as a control signal input terminal for power supply switching of, for example, ten and a few megahertz from the center, and the control signal passes through the state monitoring signal inserter 9 without loss to extract the control signal from the center. Bowl 8
And the output thereof is input to the controller 7 that enables the operation of the power supply device 3 to be switched to either the operation based on the commercial power supply voltage or the operation based on the storage battery voltage.
蓄電池状態検出器６は、蓄電池４の蓄電量を常時定量的
に検出し、蓄電池状態を表示するディジタルまたはアナ
ログ検出信号を監視信号転送器５に入力する。この監視
信号転送器５は、前記の蓄電池状態検出信号と、これと
同様のフォーマットで入力される給電装置３からの従来
の例えば充電器，インバータ，ヒューズの故障等の監視
項目を総括した上でモード設定を行い、これを状態監視
信号としてセンタへ状態を通報するための状態監視信号
挿入器９へ入力する。この状態監視信号挿入器９は、給
電装置から中継器への交流電源電圧出力に前記の状態監
視信号を重畳させ、状態監視信号のみをセンタへ送出す
る。The storage battery state detector 6 constantly quantitatively detects the amount of electricity stored in the storage battery 4, and inputs a digital or analog detection signal indicating the storage battery state to the monitoring signal transfer unit 5. The monitoring signal transfer unit 5 summarizes the above-mentioned storage battery state detection signal and monitoring items such as a failure of a conventional charger, inverter, fuse, etc., from the power feeding device 3 which is input in the same format as this. The mode is set, and this is input as a status monitoring signal to the status monitoring signal inserter 9 for notifying the center of the status. The status monitoring signal inserter 9 superimposes the status monitoring signal on the AC power supply voltage output from the power feeding device to the repeater, and sends only the status monitoring signal to the center.
発明の効果 以上に説明したように、本発明によれば、監視信号転送
器，蓄電池状態検出器，制御器，センタからの制御信号
抽出器，センタへの状態監視信号挿入器を使用すること
により、センタにての蓄電池と給電装置の常時状態検出
と、給電装置への入力電源を商用電源か蓄電池電源かに
センタにて切換えることを可能にする効果がある。As described above, according to the present invention, by using the supervisory signal transmitter, the storage battery state detector, the controller, the control signal extractor from the center, and the state supervisory signal inserter to the center. The present invention has an effect that it is possible to detect the constant state of the storage battery and the power supply device at the center and switch the input power supply to the power supply device between the commercial power supply and the storage battery power supply at the center.
【図面の簡単な説明】 第１図は本発明にかかる給電装置の実施例のブロック回
路図、第２図は一般のＣＡＴＶ伝送路システムの構成の
一例を示す図である。 １……給電装置の商用電源入力端子、２……給電装置全
体の入出力端子、３……給電装置、４……蓄電池、５…
…動作状態監視転送器、６……蓄電池状態検出器、７…
…制御器、８……センタからの制御信号抽出器、９……
センタへの状態監視信号挿入器。BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a block circuit diagram of an embodiment of a power feeding device according to the present invention, and FIG. 2 is a diagram showing an example of the configuration of a general CATV transmission line system. 1 ... Commercial power input terminal of power supply device, 2 ... Input / output terminal of entire power supply device, 3 ... Power supply device, 4 ... Storage battery, 5 ...
… Operating condition monitoring transmitter, 6 …… Battery condition detector, 7…
… Controller, 8 …… Control signal extractor from center, 9 ……
Condition monitoring signal inserter to the center.
Claims (1)
のセンタからの伝送路途上に多数個配設された中継器
と、これらの中継器に電源電圧を供給する給電装置と、
前記中継器のうちの適宜の中継器に分配器を介して接続
された末端の多数個の受信装置とよりなるＣＡＴＶ伝送
路システムにおいて、入力端より入力された商用電源を
電圧降下して出力する給電装置と、この給電装置に接続
された蓄電池と、この蓄電池に接続された蓄電池状態検
出器と、この検出器の出力と前記給電装置からの諸種の
警報出力とが入力される動作状態監視転送器と、この転
送器からの状態監視信号をセンタへ送出するよう前記電
源電圧に挿入重量するとともに前記センタから送られて
くる制御信号を通過させる信号挿入通過回路と、前記信
号挿入通過回路を通過したセンタからの前記制御信号を
給電装置より中継器への電源供給ラインより抽出する抽
出器と、この抽出器にて抽出された制御信号を入力され
ることにより前記給電装置の入力電源を商用電源より前
記蓄電池に切り換える制御器とより構成されていること
を特徴とするＣＡＴＶ伝送路システムの無停電給電装
置。1. A center which is a transmission source of CATV transmission, a plurality of repeaters arranged on a transmission path from the center, and a power feeding device which supplies a power supply voltage to these repeaters.
In a CATV transmission line system including a large number of receiving devices at the ends connected to a suitable repeater among the repeaters via a distributor, a commercial power source input from an input end is dropped and output. Power supply device, storage battery connected to this power supply device, storage battery state detector connected to this storage battery, operation state monitoring transfer to which the output of this detector and various alarm outputs from the power supply device are input And a signal insertion passage circuit that inserts weight into the power supply voltage so as to send the status monitoring signal from the transfer device to the center and passes the control signal sent from the center, and the signal insertion passage circuit. The extractor for extracting the control signal from the center from the power supply line to the repeater from the power supply device and the control signal extracted by the extractor The uninterruptible power supply device of the CATV transmission line system, characterized by being more configuration and control unit for switching the input power of the electric device to the battery from a commercial power source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60039403A JPH0654974B2 (en) | 1985-02-28 | 1985-02-28 | Uninterruptible power supply device for CATV transmission line system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60039403A JPH0654974B2 (en) | 1985-02-28 | 1985-02-28 | Uninterruptible power supply device for CATV transmission line system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61198987A JPS61198987A (en) | 1986-09-03 |
| JPH0654974B2 true JPH0654974B2 (en) | 1994-07-20 |
Family
ID=12552022
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP60039403A Expired - Lifetime JPH0654974B2 (en) | 1985-02-28 | 1985-02-28 | Uninterruptible power supply device for CATV transmission line system |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0654974B2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0667136B2 (en) * | 1987-05-15 | 1994-08-24 | マスプロ電工株式会社 | Emergency power supply test equipment for uninterruptible power supply |
| JP4599281B2 (en) * | 2005-11-30 | 2010-12-15 | マスプロ電工株式会社 | Power supply monitoring apparatus and program |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5028928A (en) * | 1973-07-14 | 1975-03-24 | ||
| JPH0129591Y2 (en) * | 1981-04-03 | 1989-09-08 | ||
| JPS58139750U (en) * | 1982-03-17 | 1983-09-20 | デイエツクスアンテナ株式会社 | Operation confirmation device for communal viewing equipment equipped with uninterruptible power source supply equipment |
| JPS59169338A (en) * | 1983-03-17 | 1984-09-25 | ニツタン株式会社 | Preliminary power source testing circuit |
-
1985
- 1985-02-28 JP JP60039403A patent/JPH0654974B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPS61198987A (en) | 1986-09-03 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |