JPH04145848A - Power source unit for telephone signal - Google Patents
Power source unit for telephone signalInfo
- Publication number
- JPH04145848A JPH04145848A JP2267955A JP26795590A JPH04145848A JP H04145848 A JPH04145848 A JP H04145848A JP 2267955 A JP2267955 A JP 2267955A JP 26795590 A JP26795590 A JP 26795590A JP H04145848 A JPH04145848 A JP H04145848A
- Authority
- JP
- Japan
- Prior art keywords
- signal
- unit
- section
- power supply
- signal power
- 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 13
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 230000002950 deficient Effects 0.000 abstract 1
- 230000004913 activation Effects 0.000 description 8
- 230000002542 deteriorative effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 230000003213 activating effect Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Landscapes
- Stand-By Power Supply Arrangements (AREA)
- Inverter Devices (AREA)
- Monitoring And Testing Of Exchanges (AREA)
- Devices For Supply Of Signal Current (AREA)
Abstract
Description
【発明の詳細な説明】
（産業上の利用分野）
本発明は電話用信号電圧を交換機に送出する電話用信号
電源装置に関するもので、詳しくは同一構成の２台の信
号電源ユニットを備え、１台は現用運転、他の１台は冷
待機として現用予備運転する機能を備える電話用信号電
源装置の構成に関するものである。DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to a telephone signal power supply device that sends telephone signal voltage to an exchange. The present invention relates to the configuration of a telephone signal power supply device having the function of one unit being in active operation and the other unit being in cold standby mode for active and preliminary operation.
（従来の技術）
従来の交換機に電力を供給する電話用信号電源装置は信
幀性を高くするため、２台の信号電源ユニラ１〜と共通
制御部による現用・予備方式が採用されている。予備機
は省電力化を計るため冷待機とする方式がとられる。(Prior Art) In order to improve the reliability of a conventional telephone signal power supply device for supplying power to an exchange, a working/standby system using two signal power supply units 1 to 1 and a common control unit is adopted. In order to save power, the standby unit is placed on cold standby.
第３図に従来の電話用信号電源装置のプロ・ンク図を示
す。第３図において、１０と２０は構成を同しくする第
１及び第２の信号電源ユニット、１２は２台の信号電源
ユニッｌ−に共通に備えられている共通制御部である。FIG. 3 shows a diagram of a conventional telephone signal power supply device. In FIG. 3, 10 and 20 are first and second signal power supply units having the same configuration, and 12 is a common control section that is commonly provided to the two signal power supply units l-.
信号電源ユニッ）１０は直流入力電圧Ｖ、を入力し、直
流−交流変換部で制御された交流電圧に変換し、出力リ
レー３を動作させ、端子Ｅより交流電圧を負荷に供給す
る。制御部４は直流−交流変換部２の制御を行い、共通
に備えられている共通制御部１２の信号をうけ起動又は
停止の動作を行う。出力リレー駆動部５は共通制御部１
２の信号をうけ、出力リレー３を動作させ・る。The signal power supply unit 10 inputs a DC input voltage V, converts it into an AC voltage controlled by a DC-AC converter, operates an output relay 3, and supplies the AC voltage to a load from a terminal E. The control section 4 controls the DC-AC conversion section 2, and performs starting or stopping operations in response to a signal from a common control section 12 provided in common. The output relay drive section 5 is the common control section 1
Upon receiving the signal 2, the output relay 3 is operated.
６は信号電源ユニット１０の故障を検出する故障検出部
である。共通制御部１２は入力電圧■８を入力し、１０
及び２０の信号電源ユニットの制御部４に信号を送り、
直流−交流変換部２の起動及び停止を行う。又、出力リ
レー駆動部５に信号を送り、出力リレー３を投入し出力
を送出する。共通制御部１２は故障検出部６よりの信号
をうけ、信号電源ユニットが正常か否かの監視を行い、
現用機に故障が発生すると、予備機の起動を行い、現用
機を停止させる。通常は一方を現用機、他の一方を冷待
機として現用予備運転を行う。夫々の信号電源ユニッ目
０と２０の出力側は共通に接続され、負荷１１に出力を
供給する。Reference numeral 6 denotes a failure detection section that detects a failure of the signal power supply unit 10. The common control unit 12 inputs the input voltage ■8 and inputs the input voltage 10.
and sends a signal to the control unit 4 of the signal power supply unit 20,
Starts and stops the DC-AC converter 2. Also, a signal is sent to the output relay drive unit 5 to turn on the output relay 3 and send out the output. The common control unit 12 receives the signal from the failure detection unit 6 and monitors whether the signal power supply unit is normal or not.
When a failure occurs in the active machine, the backup machine is activated and the active machine is stopped. Normally, one side is used as an active machine and the other side is used as a cold standby unit for active and preliminary operation. The output sides of the respective signal power supply units 0 and 20 are connected in common and supply an output to the load 11.
（発明が解決しようとする課題）
しかして、共通制御部１２は信号電源ユニット１０及び
２０と別に備えられており、装置システムとして共通部
となるため、システムの信鯨性を低下させる原因となる
。又、信号電源ユニットと独立して設ける必要があり、
装置として低価格化が困難であり、保守の為、共通制御
部を準備する必要がある欠点を有していた。(Problem to be Solved by the Invention) However, since the common control section 12 is provided separately from the signal power supply units 10 and 20 and becomes a common section as a device system, it becomes a cause for reducing reliability of the system. . Also, it must be installed independently from the signal power supply unit.
It is difficult to reduce the price of the device, and it has the disadvantage of requiring a common control section for maintenance.
又、予備機として待機している信号電源ユニッ■□１□
トは冷待機であるので電解コンデンサ等の使用部品の無
通電放置による部品劣化を防ぐため、定期的に保守者に
よる現用・予備機の切換えを行う必要があった。In addition, since the signal power supply unit ■□1□ that is on standby as a standby unit is kept in a cold standby state, maintenance staff periodically remove the active and spare units to prevent parts such as electrolytic capacitors from deteriorating due to being left without power. It was necessary to make a switch.
本発明は上記の課題を解決するために提案されたもので
、同一構成の２台の信号電源ユニットで共通制御部をな
くした電話用信号電源装置の現用及び予備システムを構
成することにより、経済性の向上を計り、且つシステム
の信転性を高め、予備機は冷待機として省電力化を計る
電話用信号電源装置を提供することにある。The present invention was proposed in order to solve the above problems, and is economical by configuring a working and standby system for a telephone signal power supply device that eliminates a common control section using two signal power supply units of the same configuration. The object of the present invention is to provide a signal power supply device for a telephone, which improves performance and reliability of the system, and saves power by using a standby unit as a cold standby device.
又、夫々の信号電源ユニ・ントにタイマー機能を設け、
現用機となっている信号電源ユニ・ントが一定時間運転
後、自動的に予備機に切換えを行うことにより、無通電
放置による部品の劣化を防ぐこと及び省力化を計ること
を目的とする電話用信号電源装置を提供することにある
。In addition, each signal power supply unit is equipped with a timer function,
A telephone that aims to prevent parts from deteriorating due to being left without power and to save labor by automatically switching to a standby unit after the active signal power supply unit has been in operation for a certain period of time. An object of the present invention is to provide a signal power supply device for
（課題を解決するための手段）
上記の目的を達成するため、本発明は直流電圧を入力し
電話用信号電圧を出力する電話用信号電源装置において
、同一の構成である２台の信号電源ユニットを備え、夫
々の信号電源ユニ・ントは、直流入力電圧を制御された
交流電圧に変換する直流−交流変換部と、前記直流−交
流変換部よりの交流電圧を負荷に送る出力リレーと、前
記直流−交流変換部の制御を行う制御部と、他機よりの
信号をうけ前記制御部の動作を停止する第１のインタロ
ック部と、前記直流−交流変換部の故障を検出し、他機
の起動信号部へ信号を送る故障検出部と、出力リレーを
動作させ、かつ出力リレーの動作信号を他機へ送る出力
リレー駆動部と、前記制御部の動作信号と前記故障検出
部よりの信号及び他機の故障検出部よりの信号をうけて
、前記出力リレー駆動部と他機の第１のインタロック部
へ信号を送る起動信号部及び他機の出力リレー駆動部よ
りの信号をうけ、前記出力リレー駆動部の動作を停止す
る第２のインタロック部とによって構成されていること
を特徴とする電話用信号電源装置を発明の要旨とするも
のである。(Means for Solving the Problems) In order to achieve the above object, the present invention provides a telephone signal power supply device that inputs a DC voltage and outputs a telephone signal voltage, in which two signal power supply units having the same configuration are provided. each signal power supply unit includes a DC-AC converter that converts a DC input voltage into a controlled AC voltage, an output relay that sends the AC voltage from the DC-AC converter to the load, and A control section that controls the DC-AC conversion section, a first interlock section that stops the operation of the control section upon receiving a signal from another device, and a first interlock section that detects a failure of the DC-AC conversion section and prevents the other device from operating. a failure detection unit that sends a signal to the activation signal unit of the controller, an output relay drive unit that operates the output relay and sends an operation signal of the output relay to another device, and an operation signal of the control unit and a signal from the failure detection unit. and a start signal unit that receives a signal from a failure detection unit of another machine and sends a signal to the output relay drive unit and a first interlock unit of the other machine, and receives a signal from an output relay drive unit of the other machine; The gist of the invention is a signal power supply device for a telephone, characterized in that the signal power supply device includes a second interlock section that stops the operation of the output relay drive section.
（作用）
本発明によれば、同一構成の２台の信号電源ユニットで
共通制御部をなくした電話用信号電源装置の現用及び予
備システムを構成することにより、低コスト化及び経済
化を計ることができる。(Function) According to the present invention, cost reduction and economy can be achieved by configuring the working and standby systems of the telephone signal power supply device without a common control section using two signal power supply units having the same configuration. I can do it.
さらに２台の信号電源ユニットを一定時間後に、交互に
作動させることによって、無通電放置による部品の劣化
を防ぐことができる。Furthermore, by activating the two signal power supply units alternately after a certain period of time, it is possible to prevent parts from deteriorating due to being left without power.
（実施例）
以下本発明の実施例について説明する。なお、実施例は
一つの例示であって、本発明の精神を逸脱しない範囲で
種々の変更あるいは改良を行いうることは言うまでもな
い。(Example) Examples of the present invention will be described below. Note that the embodiments are merely illustrative, and it goes without saying that various changes and improvements can be made without departing from the spirit of the present invention.
第１図は本発明の一実施例を示すブロック図である。第
１図において、１０及び２０は夫々第１及び第２の信号
電源ユニットで、この２つは同一の構成を有している。FIG. 1 is a block diagram showing one embodiment of the present invention. In FIG. 1, 10 and 20 are first and second signal power supply units, respectively, and these two have the same configuration.
２は直流−交流変換部、３は出力リレー、４は制御部で
直流−交流変換部２の制御を行う。５は出力リレー駆動
部で、出力リレー３の動作を行う。６は故障検出部で、
信号電源ユニットの故障を検出するためのものである。2 is a DC-AC converter, 3 is an output relay, and 4 is a control unit that controls the DC-AC converter 2. Reference numeral 5 denotes an output relay drive unit that operates the output relay 3. 6 is a failure detection section,
This is to detect a failure of the signal power supply unit.
８は起動信号部であり、制御部４より自機の運転状態の
信号をうけ、故障検出部６より自機の故障信号及び端子
Ｃより、他機の故障信号を入力し、遅延回路（図示され
ない）を介して、端子Ｂより他機の起動信号の送出と出
力リレー駆動部５に信号を送出し、出力リレー３の動作
を行う。Reference numeral 8 denotes a start signal section, which receives a signal of the operating state of its own machine from the control section 4, inputs a fault signal of its own machine from the failure detection section 6 and a fault signal of another machine from terminal C, and outputs a delay circuit (not shown). The output relay 3 is operated by sending a start signal for other devices and a signal to the output relay drive section 5 from the terminal B via the terminal B.
７の第１のインタロック部は、他機の起動信号部の信号
を端子Ａよりうけ、制御部４をインタロックして、信号
電源ユニット１０又は２０を停止する。The first interlock section 7 receives a signal from the start signal section of another device from terminal A, interlocks the control section 4, and stops the signal power supply unit 10 or 20.
端子Ａに信号がない場合は信号電源ユニン目Ｏ又は２０
は単独での運転ができる。If there is no signal at terminal A, turn the signal power supply unit O or 20
can be driven independently.
９の第２のインタロック部は、他機の出力リレー駆動部
５よりの信号を端子りよりうけ、出力リレー駆動部５の
インタロックを行い、現用・予備の切換時において、他
機と自機の出力リレーが同時に動作することを防いでい
る。The second interlock section 9 receives a signal from the output relay drive section 5 of another machine via the terminal, and interlocks the output relay drive section 5, so that the second interlock section 9 receives a signal from the output relay drive section 5 of another machine, and interlocks the output relay drive section 5 to prevent it from being connected to the other machine when switching between working and standby. This prevents the machine's output relays from operating at the same time.
また、故障検出部６よりの故障信号を、端子Ｅより他機
の起動信号部８に出力し、自機が正常か故障かを知らせ
る。Further, a failure signal from the failure detection section 6 is outputted from the terminal E to the activation signal section 8 of another machine, thereby informing whether the own machine is normal or malfunctioning.
第２図に本発明Φ電話用信号電源装置の動作のフローチ
ャートを示す。ごのフ１１−チャー１−を用いて第１図
の動作を説明する。FIG. 2 shows a flowchart of the operation of the Φ telephone signal power supply device of the present invention. The operation of FIG. 1 will be explained using feature 11-1.
第２図（Δ）は、第１の信号電源ユニソ１−１０が現用
機として運転しており、第２の信号電源ユニッ１−２０
が冷待機の状態にある場合、第１の信号電源ユニット１
０に故障が発生した時の現用予備切換動作のフローチャ
ー１・を示す。FIG. 2 (Δ) shows that the first signal power supply unit 1-10 is operating as an active machine, and the second signal power supply unit 1-20 is operating as an active machine.
is in the cold standby state, the first signal power supply unit 1
Flowchart 1 of the working/standby switching operation when a failure occurs in 0 is shown.
第２図（八）と第１図において、運転している信号電源
ユニット１０に故障が発生すると、故障検出部６より起
動信号部８に信号を送る。起動信号部８は端子Ｃからの
信号電源ユニット２０よりの信号を１ｉ１１認し、信号
電源ユニッ１−２０が故障の時は切換をしない。信号電
源ユニッ１〜２０が正常である時は、起動信号部８より
端子Ｂを経由して信号電源ユニット２０の第１のインタ
ロック部７への信号の送出を解除し、信号電源ユニット
２０の第１のインタロック部７による制御部４のインタ
ロックが解除され、信号電源ユニット２０が起動を開始
する。信号電源ユニッ１へ２０の起動信号部８は、信号
電源ユニット２０の起動確認のための遅延時間の経過後
、信号電源ユニット１０の第１のインタロック部７へ信
号送出をすることにより、信号電源ユニット１０の制御
部４は第１のインタロック部７によりインタロックされ
、信号電源ユニット１０は停止動作を行う。In FIG. 2 (8) and FIG. 1, when a failure occurs in the operating signal power supply unit 10, a signal is sent from the failure detection unit 6 to the start signal unit 8. The activation signal section 8 recognizes the signal from the signal power supply unit 20 from the terminal C, and does not switch when the signal power supply unit 1-20 is out of order. When the signal power supply units 1 to 20 are normal, the sending of the signal from the activation signal section 8 to the first interlock section 7 of the signal power supply unit 20 via the terminal B is canceled, and the signal power supply unit 20 is turned off. The interlock of the control section 4 by the first interlock section 7 is released, and the signal power supply unit 20 starts to start up. The activation signal section 8 of the signal power supply unit 1 20 transmits a signal to the first interlock section 7 of the signal power supply unit 10 after the delay time for confirming the activation of the signal power supply unit 20 has elapsed. The control section 4 of the power supply unit 10 is interlocked by the first interlock section 7, and the signal power supply unit 10 performs a stop operation.
信号電源ユニット１０が停止し冷待機となる為、信号電
源ユニット１０の出力リレー３がオフし、信号電源ユニ
ット１０の出力リレー駆動部５より端子Ｆを介して、信
号電源ユニット２０の第２のインタロック部９への信号
が解除され、信号電源ユニット２０の出力リレー３がオ
ンし、出力が送出され、信号電源ユニッ）２０が現用機
となり、運転される。Since the signal power supply unit 10 stops and goes into cold standby, the output relay 3 of the signal power supply unit 10 is turned off, and the output relay drive section 5 of the signal power supply unit 10 connects the second relay of the signal power supply unit 20 via the terminal F. The signal to the interlock section 9 is released, the output relay 3 of the signal power supply unit 20 is turned on, the output is sent out, and the signal power supply unit 20 becomes the active machine and is operated.
第２図（Ｂ）は１０の信号電源ユニットが現用機として
運転し、２０の信号電源ユニットが冷待機の状態にある
場合、信号電源ユニット１０が運転開始後、内部タイマ
ー機能により一定時間カウント後（例えば５０００時間
）自動的に信号電源ユニット２０を起動し運転を行い、
信号電源ユニント１０を停止させて現用・予ｍ機の切換
を行うフローチャートである。Figure 2 (B) shows that when 10 signal power supply units are operating as active units and 20 signal power supply units are in the cold standby state, after the signal power supply unit 10 starts operation, a certain period of time has been counted by the internal timer function. (For example, for 5000 hours) Automatically starts the signal power supply unit 20 and operates it,
It is a flowchart for stopping the signal power supply unit 10 and switching between the active and standby units.
第２図（Ｂ）と第１図において、現用機として運転を開
始した１０の信号電源ツーニットの起動信号部８でタイ
マー機能により一定の運転時間が経過し、端子Ｃより信
号で信号電源ユニット２０が正常であるか否かを確認し
、正常である特番よ、端子Ｂを経由して信号電源ユニッ
ト２０の第１のインタロック部７への信号の送出を解除
し、信号電源ユニツト２０の第１のインタロック部７に
よる制御部４のインタロックが解除され、信号電源ユニ
ッ）２０が起動を開始する。In FIG. 2(B) and FIG. 1, when a certain operating time has elapsed due to the timer function in the start signal section 8 of the 10 signal power supply unit 8 that has started operation as an active machine, a signal is sent from terminal C to the signal power supply unit 20. If the special number is normal, the signal transmission to the first interlock section 7 of the signal power supply unit 20 is canceled via the terminal B, and the first interlock part 7 of the signal power supply unit 20 is The interlock of the control section 4 by the interlock section 7 of 1 is released, and the signal power supply unit 20 starts to start up.
以下第３図（八）と同じ動作を行い、信号電源ユニッ１
−２０が運転となり、出力を送出し、信号電源ユニット
１０は停止し冷待機となり、現用予＊ａの切換がなされ
る。The following operation is the same as in Figure 3 (8), and the signal power supply unit 1
-20 goes into operation and sends out an output, the signal power supply unit 10 stops and goes into cold standby, and the current mode *a is switched.
この時、信号電源ユニッ）２０の起動確認の遅延時間を
、信号電源ユニット２０の直流−交流変換部２の出力が
確立するまでの時間とすることにより、信号電源ユニッ
目Ｏから信号電源ユニット２０への切換時における出力
の断時間を非常に短く（例えば１００ｍ５以内）するこ
とができ、負荷に与える影響を小さくすることができろ
。At this time, by setting the delay time for confirmation of activation of the signal power supply unit 20 as the time until the output of the DC-AC converter 2 of the signal power supply unit 20 is established, the signal power supply unit 20 is It is possible to make the output cut-off time very short (for example, within 100 m5) when switching to , and to reduce the effect on the load.
（発明の効果）
叙上のようＧこ本発明によれば、同一構成の２台の信号
電源ユニットで電話用信号電源装置の共通制御部をなく
した現用・予備システムを構成することにより、又、保
守用として１台の信号電源ユニットのみを準備すれば良
く、低コス１−化、経済化を計ることができる。(Effects of the Invention) As described above, according to the present invention, by configuring a working/backup system using two signal power supply units having the same configuration and eliminating the common control section of the telephone signal power supply device, , only one signal power supply unit needs to be prepared for maintenance, and cost reduction and economy can be achieved.
かつ、現用・予備システムとして共通部がなくなるため
、信頼性の向上が計られ、予備機は冷待機であるため省
電力化を計ることができる。Furthermore, since there is no common part between the active and standby systems, reliability is improved, and the standby system is kept cold, so it is possible to save power.
また、夫々の信号電源ユニットにタイマー機能を備え、
現用機として運転している信号電源ユニットが一定時間
運転後、自動的に予備機に切換を行うことにより無通電
放置による部品の劣化を防ぐこと及び定期的保守を必要
とせず、省力化を計ることができる。In addition, each signal power supply unit is equipped with a timer function,
After the signal power supply unit operating as the active unit has operated for a certain period of time, it automatically switches to the standby unit, which prevents parts from deteriorating due to being left without power, and saves labor by eliminating the need for regular maintenance. be able to.
さらに、起動信号部にマイクロプロセッサを使用してい
る場合は、わずかな部品の追加のみで低価格でタイマー
機能を付加することができる。Furthermore, if a microprocessor is used in the activation signal section, a timer function can be added at a low cost by adding only a few parts.
第１図は本発明の一実施例を示すブロック図、第２図（
Ａ）及び（ｎ）は本発明の動作を示すフローチャート図
、第３図は従来の電話用信号電源装置の現用予備運転シ
ステｌ、を示ずブロック図テある。
２・−・・直流−交流変換部
３・ ・ ・ ・出力リレー
４・・・・制御部
５・・・−出力リレー駆動部
６・・・・故障検出部
７・・・・第１のインタロック部
８・・・・起動信号部
９・・・・第２のインクしフック部
１０、２０・・信号電源ユニット
１１・・・・負荷
第
（Ａ）
（Ｂ）FIG. 1 is a block diagram showing one embodiment of the present invention, and FIG. 2 (
A) and (n) are flowcharts showing the operation of the present invention, and FIG. 3 is a block diagram of a conventional active standby operation system of a telephone signal power supply device. 2.--DC-AC converter 3..Output relay 4..Control section 5.--Output relay drive section 6..Failure detection section 7..First interface Lock part 8...Start signal part 9...Second inking hook part 10, 20...Signal power supply unit 11...Load number (A) (B)
Claims (2)
用信号電源装置において、同一の構成である２台の信号
電源ユニットを備え、夫々の信号電源ユニットは、直流
入力電圧を制御された交流電圧に変換する直流−交流変
換部と、前記直流−交流変換部よりの交流電圧を負荷に
送る出力リレーと、前記直流−交流変換部の制御を行う
制御部と、他機よりの信号をうけ前記制御部の動作を停
止する第１のインタロック部と、前記直流−交流変換部
の故障を検出し、他機の起動信号部へ信号を送る故障検
出部と、出力リレーを動作させ、かつ出力リレーの動作
信号を他機へ送る出力リレー駆動部と、前記制御部の動
作信号と前記故障検出部よりの信号及び他機の故障検出
部よりの信号をうけて、前記出力リレー駆動部と他機の
第１のインタロック部へ信号を送る起動信号部及び他機
の出力リレー駆動部よりの信号をうけ、前記出力リレー
駆動部の動作を停止する第２のインタロック部とによっ
て構成されていることを特徴とする電話用信号電源装置
。(1) A telephone signal power supply device that inputs DC voltage and outputs telephone signal voltage is equipped with two signal power supply units with the same configuration, and each signal power supply unit has a DC input voltage controlled. a DC-AC converter for converting into AC voltage; an output relay for sending the AC voltage from the DC-AC converter to a load; a control unit for controlling the DC-AC converter; and a control unit for transmitting signals from other devices. a first interlock unit that stops the operation of the control unit in response to the above, a failure detection unit that detects a failure in the DC-AC conversion unit and sends a signal to a start signal unit of another device, and operates an output relay; and an output relay drive unit that sends an operation signal of the output relay to another machine, and an output relay drive unit that receives the operation signal of the control unit, the signal from the failure detection unit, and the signal from the failure detection unit of the other machine. and a start signal section that sends a signal to the first interlock section of the other device, and a second interlock section that receives a signal from the output relay drive section of the other device and stops the operation of the output relay drive section. A telephone signal power supply device characterized by:
自機の運転時間をカウントし、一定時間後に他機を運転
し、自機を停止させて現用・予備機の運転切換を行う機
能を有することを特徴とする請求項１記載の電話用信号
電源装置。(2) Each signal power supply unit is equipped with a timer function,
2. The telephone signal power supply according to claim 1, further comprising a function of counting operating time of the own machine, operating other machines after a certain period of time, stopping the own machine, and switching operation between the working machine and the standby machine. Device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2267955A JP2796188B2 (en) | 1990-10-05 | 1990-10-05 | Signal power supply for telephone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2267955A JP2796188B2 (en) | 1990-10-05 | 1990-10-05 | Signal power supply for telephone |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH04145848A true JPH04145848A (en) | 1992-05-19 |
| JP2796188B2 JP2796188B2 (en) | 1998-09-10 |
Family
ID=17451920
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2267955A Expired - Lifetime JP2796188B2 (en) | 1990-10-05 | 1990-10-05 | Signal power supply for telephone |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2796188B2 (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08228439A (en) * | 1995-02-22 | 1996-09-03 | Nec Corp | Power receiving device |
| JPWO2005015727A1 (en) * | 2003-08-07 | 2007-10-04 | スズキ株式会社 | Inverter device for motor drive |
| JP2008161006A (en) * | 2006-12-26 | 2008-07-10 | Toshiba Mitsubishi-Electric Industrial System Corp | Power conversion apparatus |
| JP2008312273A (en) * | 2007-06-12 | 2008-12-25 | Toshiba Mitsubishi-Electric Industrial System Corp | Power conversion equipment |
| CN102447299A (en) * | 2010-09-29 | 2012-05-09 | 通用电气公司 | System and method for providing redundant power to a device |
| JP2012165639A (en) * | 2011-02-07 | 2012-08-30 | General Electric Co <Ge> | System and method for providing redundant power to device |
-
1990
- 1990-10-05 JP JP2267955A patent/JP2796188B2/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08228439A (en) * | 1995-02-22 | 1996-09-03 | Nec Corp | Power receiving device |
| JPWO2005015727A1 (en) * | 2003-08-07 | 2007-10-04 | スズキ株式会社 | Inverter device for motor drive |
| JP4607018B2 (en) * | 2003-08-07 | 2011-01-05 | スズキ株式会社 | Inverter device for motor drive |
| JP2008161006A (en) * | 2006-12-26 | 2008-07-10 | Toshiba Mitsubishi-Electric Industrial System Corp | Power conversion apparatus |
| JP2008312273A (en) * | 2007-06-12 | 2008-12-25 | Toshiba Mitsubishi-Electric Industrial System Corp | Power conversion equipment |
| CN102447299A (en) * | 2010-09-29 | 2012-05-09 | 通用电气公司 | System and method for providing redundant power to a device |
| JP2012165639A (en) * | 2011-02-07 | 2012-08-30 | General Electric Co <Ge> | System and method for providing redundant power to device |
| CN102856970A (en) * | 2011-02-07 | 2013-01-02 | 通用电气公司 | System and method for providing redundant power to a device |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2796188B2 (en) | 1998-09-10 |
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