JPH04243405A - Power supply control signal converter - Google Patents
Power supply control signal converterInfo
- Publication number
- JPH04243405A JPH04243405A JP3017001A JP1700191A JPH04243405A JP H04243405 A JPH04243405 A JP H04243405A JP 3017001 A JP3017001 A JP 3017001A JP 1700191 A JP1700191 A JP 1700191A JP H04243405 A JPH04243405 A JP H04243405A
- Authority
- JP
- Japan
- Prior art keywords
- power
- signal
- power supply
- controlled device
- supply control
- 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 abstract description 9
- 238000006243 chemical reaction Methods 0.000 claims description 12
- 230000005540 biological transmission Effects 0.000 abstract 2
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000010365 information processing 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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
-
- 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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/20—End-user application control systems
- Y04S20/221—General power management systems
Landscapes
- Power Sources (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
Description
【０００１】0001
【技術分野】本発明は電源制御信号変換装置に関し、特
に情報処理装置を含む各種電子装置を制御する電源制御
信号変換方式に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a power control signal conversion device, and more particularly to a power control signal conversion method for controlling various electronic devices including information processing devices.
【０００２】0002
【従来技術】従来、この種の電源制御信号変換方式にお
いては、変換装置の下に複数の被制御装置が制御ケーブ
ルを介して接続されており、変換装置はこれら複数の被
制御装置に夫々電源制御装置からの電源投入信号を送信
している。変換装置と被制御装置との間の制御ケーブル
が切断または未接続状態にある場合には、上位の電源制
御装置から該被制御装置への電源投入信号を変換装置が
受信すると、該電源投入信号が直ちに変換装置で折り返
えされて上位の電源制御装置に電源投入完了信号として
送信されている。[Prior Art] Conventionally, in this type of power control signal conversion system, a plurality of controlled devices are connected under a converting device via control cables, and the converting device supplies power to each of these plural controlled devices. A power-on signal from the control device is being transmitted. If the control cable between the converter and the controlled device is disconnected or unconnected, when the converter receives a power-on signal from the higher-level power supply control device to the controlled device, the power-on signal is is immediately looped back by the converter and sent to the higher-level power supply control device as a power-on completion signal.
【０００３】すなわち、変換装置とある被制御装置との
間の制御ケーブルを切り離し、他の被制御装置を動作さ
せるような場合でも、上位の電源制御装置に電源投入完
了信号が送信されないと、その被制御装置の異常となっ
て他の被制御装置も動作できなくなってしまうので、あ
たかもその被制御装置が電源投入状態にあるかのように
変換装置から上位の電源制御装置に報告されている。In other words, even if the control cable between the converter and a certain controlled device is disconnected and another controlled device is operated, if a power-on completion signal is not sent to the higher-level power control device, the Since the controlled device becomes abnormal and other controlled devices become unable to operate, the conversion device reports this to the higher-level power supply control device as if the controlled device was in a power-on state.
【０００４】このような従来の電源制御信号変換方式で
は、変換装置と被制御装置との間の制御ケーブルが切断
または未接続状態にある場合に、上位の電源制御装置か
ら該被制御装置への電源投入信号が変換装置で折り返さ
れ、変換装置から上位の電源制御装置に電源投入完了信
号が返信されているので、実際には下位の被制御装置が
電源投入状態となっていないのに、上位の電源制御装置
では下位の被制御装置が電源投入状態にあると誤検出し
てしまうという欠点がある。[0004] In such a conventional power supply control signal conversion method, when the control cable between the conversion device and the controlled device is disconnected or unconnected, the power control signal is not transmitted from the higher-level power supply control device to the controlled device. The power-on signal is looped back by the converter, and a power-on completion signal is sent back from the converter to the higher-level power control device, so even though the lower-level controlled device is not actually powered on, the higher-level This power supply control device has a drawback that it incorrectly detects that a lower-order controlled device is in a power-on state.
【０００５】[0005]
【発明の目的】本発明は上記のような従来のものの欠点
を除去すべくなされたもので、実際には電源投入状態と
なっていない下位の被制御装置に対する電源投入状態の
誤検出を防止することができ、信頼性を向上させること
ができる電源制御信号変換装置の提供を目的とする。OBJECTS OF THE INVENTION The present invention has been made to eliminate the above-mentioned drawbacks of the conventional devices, and prevents false detection of the power-on state of lower-level controlled devices that are not actually in the power-on state. The purpose of the present invention is to provide a power supply control signal conversion device that can improve reliability.
【０００６】[0006]
【発明の構成】本発明による電源制御信号変換装置は、
電源制御装置からの電源投入信号を制御ケーブルを介し
て接続された被制御装置に送信し、前記電源投入信号に
応答して前記被制御装置から返信された電源投入完了信
号を前記電源制御装置に送信する送信手段と、前記制御
ケーブルの未接続状態を検出したときに前記未接続状態
にある被制御装置に代って電源投入完了信号を前記電源
制御装置に送信する接続状態検出手段とを有する電源制
御信号変換装置であって、前記被制御装置に前記電源投
入信号を送信してから前記被制御装置および前記接続状
態検出手段のうち一方からの前記電源投入完了信号を受
信するまでの時間と予め設定された所定時間とを比較す
る比較手段を設け、前記電源投入信号を送信してから前
記所定時間が経過する前に前記電源投入完了信号を受信
したことが前記比較手段によって検出されたとき、前記
制御ケーブルの未接続状態を前記電源制御装置に通知す
るようにしたことを特徴とする。[Structure of the Invention] A power supply control signal conversion device according to the present invention includes:
A power-on signal from the power supply control device is transmitted to a controlled device connected via a control cable, and a power-on completion signal returned from the controlled device in response to the power supply signal is transmitted to the power supply control device. and connection state detection means for transmitting a power-on completion signal to the power supply control device on behalf of the controlled device in the unconnected state when detecting the unconnected state of the control cable. A power control signal converting device, wherein the time elapses from transmitting the power-on signal to the controlled device until receiving the power-on completion signal from one of the controlled device and the connection state detection means; A comparison means is provided for comparing the power-on completion signal with a predetermined time set in advance, and when the comparison means detects that the power-on completion signal is received before the predetermined time elapses after transmitting the power-on signal. , the control cable is characterized in that the disconnection state of the control cable is notified to the power supply control device.
【０００７】[0007]
【実施例】次に、本発明の一実施例について図面を参照
して説明する。[Embodiment] Next, an embodiment of the present invention will be described with reference to the drawings.
【０００８】図１および図２は本発明の一実施例の構成
を示すブロック図である。図１は変換装置２と被制御装
置３との間の制御ケーブル５が接続されている状態を示
し、図２は変換装置２と被制御装置３との間の制御ケー
ブル５が未接続の状態を示している。これらの図におい
て、電源制御装置１の接続部１０は制御ケーブル４を介
して変換装置２の接続部２０に接続されている。また、
変換装置２の接続部２１は制御ケーブル５を介して被制
御装置３の接続部３０に接続されている。FIGS. 1 and 2 are block diagrams showing the configuration of an embodiment of the present invention. FIG. 1 shows a state in which the control cable 5 between the converter 2 and the controlled device 3 is connected, and FIG. 2 shows a state in which the control cable 5 between the converter 2 and the controlled device 3 is not connected. It shows. In these figures, a connection section 10 of the power supply control device 1 is connected to a connection section 20 of the conversion device 2 via a control cable 4. Also,
The connecting portion 21 of the converting device 2 is connected to the connecting portion 30 of the controlled device 3 via the control cable 5.
【０００９】図１に示すように、制御ケーブル５が接続
されている状態の場合、変換装置２が制御ケーブル４を
介して電源制御装置１からの電源投入信号を受信すると
、変換器２２は電源制御装置１からの電源投入信号を被
制御装置３への電源投入信号に変換する。この変換され
電源投入信号は制御ケーブル５を介して被制御装置３に
送信される。As shown in FIG. 1, when the control cable 5 is connected, when the converter 2 receives a power-on signal from the power control device 1 via the control cable 4, the converter 22 turns off the power. A power-on signal from the control device 1 is converted into a power-on signal to the controlled device 3. This converted power-on signal is transmitted to the controlled device 3 via the control cable 5.
【００１０】被制御装置３では変換装置２からの電源投
入信号に応答して電源が投入され、このとき同時に、被
制御装置３から電源投入完了信号が制御ケーブル５を介
して変換装置２に送信される。The controlled device 3 is powered on in response to the power-on signal from the converter 2, and at the same time, a power-on completion signal is sent from the controlled device 3 to the converter 2 via the control cable 5. be done.
【００１１】変換装置２が制御ケーブル５を介して被制
御装置３からの電源投入完了信号を受信すると、変換器
２２は被制御装置３からの電源投入完了信号を電源制御
装置１への電源投入完了信号に変換する。変換された電
源投入完了信号は制御ケーブル４を介して電源制御装置
１に送信される。When the converter 2 receives the power-on completion signal from the controlled device 3 via the control cable 5, the converter 22 transmits the power-on completion signal from the controlled device 3 to the power supply control device 1. Convert to completion signal. The converted power-on completion signal is transmitted to the power supply control device 1 via the control cable 4.
【００１２】変換装置２の時間比較器２３では変換器２
２から被制御装置３への電源投入信号を検出してから、
被制御装置３からの電源投入完了信号を検出するまでに
予め設定された一定時間が経過したか否かを検出してい
る。尚、この一定時間は変換器２２と被制御装置３との
間を信号が往復する時間である。In the time comparator 23 of the converter 2, the converter 2
After detecting a power-on signal from 2 to the controlled device 3,
It is detected whether a predetermined period of time has elapsed before the power-on completion signal from the controlled device 3 is detected. Note that this certain period of time is the time during which the signal travels back and forth between the converter 22 and the controlled device 3.
【００１３】時間比較器２３は変換器２２から被制御装
置３への電源投入信号を検出してから一定時間が経過し
た後に被制御装置３からの電源投入完了信号を検出する
と、制御ケーブル５が正常に接続されていると判定する
ので、制御ケーブル５のエラー信号を電源制御装置１に
出力することはない。When the time comparator 23 detects a power-on completion signal from the controlled device 3 after a certain period of time has elapsed since detecting the power-on signal from the converter 22 to the controlled device 3, the time comparator 23 detects the power-on completion signal from the controlled device 3. Since it is determined that the connection is normal, an error signal from the control cable 5 is not output to the power supply control device 1.
【００１４】一方、図２に示すように、制御ケーブル５
が未接続の状態の場合、変換装置２が制御ケーブル４を
介して電源制御装置１からの電源投入信号を受信すると
、変換器２２は電源制御装置１からの電源投入信号を被
制御装置３への電源投入信号に変換する。変換された電
源投入信号は制御ケーブル５を介して被制御装置３に送
信される。しかしながら、制御ケーブル５が未接続の状
態なので、その電源投入信号は接続部２１で折り返され
、被制御装置３からの電源投入完了信号として変換器２
２および時間比較器２３に入力される。この電源投入完
了信号として変換器２２に入力された信号は電源制御装
置１への電源投入完了信号に変換される。変換された電
源投入完了信号は制御ケーブル４を介して電源制御装置
１に送信される。On the other hand, as shown in FIG.
is not connected, when the converter 2 receives a power-on signal from the power control device 1 via the control cable 4, the converter 22 transmits the power-on signal from the power control device 1 to the controlled device 3. Converts it into a power-on signal. The converted power-on signal is transmitted to the controlled device 3 via the control cable 5. However, since the control cable 5 is not connected, the power-on signal is looped back at the connection part 21 and sent to the converter 2 as a power-on completion signal from the controlled device 3.
2 and time comparator 23. The signal inputted to the converter 22 as this power-on completion signal is converted into a power-on completion signal to the power supply control device 1. The converted power-on completion signal is transmitted to the power supply control device 1 via the control cable 4.
【００１５】このとき、時間比較器２３では変換器２２
から被制御装置３への電源投入信号を検出してから、一
定時間が経過する前に接続部２１で折り返された電源制
御装置１への電源投入完了信号を検出するので、制御ケ
ーブル５の切断あるいは未接続と判定し、制御ケーブル
５のエラー信号を電源制御装置１に出力する。これによ
り、電源制御装置１では被制御装置３の電源が投入され
ていないことを知ることができるため、被制御装置３に
おいて電源投入が完了しているという誤検出をなくすこ
とができる。At this time, in the time comparator 23, the converter 22
After detecting the power-on signal to the controlled device 3 from , the power-on completion signal to the power supply control device 1 which is looped back at the connection part 21 is detected before a certain period of time has elapsed, so the control cable 5 is disconnected. Alternatively, it is determined that the cable is not connected, and an error signal of the control cable 5 is output to the power supply control device 1. Thereby, the power supply control device 1 can know that the power of the controlled device 3 is not turned on, so that it is possible to eliminate false detection that the power of the controlled device 3 has been completed.
【００１６】このように、被制御装置３への電源投入信
号が送信されてから電源制御装置１への電源投入完了信
号を受信するまでに一定時間が経過したか否かを時間比
較器２３で検出し、電源投入信号を送信してから一定時
間が経過する前に電源投入完了信号を受信したことを検
出したとき、変換装置２と被制御装置３との間の制御ケ
ーブル５の未接続状態を電源制御装置１に通知するよう
にすることによって、実際には電源投入状態となってい
ない下位の被制御装置３に対する電源投入状態の誤検出
を防止することができ、変換装置２および被制御装置３
の信頼性を向上させることができる。In this manner, the time comparator 23 determines whether a certain period of time has elapsed from the time the power-on signal is transmitted to the controlled device 3 until the power-on completion signal to the power supply control device 1 is received. The control cable 5 between the converter 2 and the controlled device 3 is disconnected when it is detected that the power-on completion signal has been received before a certain period of time has elapsed since the power-on signal was transmitted. By notifying the power control device 1 of the power supply control device 1, it is possible to prevent false detection of the power-on state of the lower-level controlled device 3 that is not actually in the power-on state. Device 3
reliability can be improved.
【００１７】[0017]
【発明の効果】以上説明したように本発明によれば、被
制御装置への電源投入信号が送信されてから所定時間が
経過する前に電源制御装置への電源投入完了信号を受信
したことを検出したとき、変換装置と被制御装置との間
の制御ケーブルの未接続状態を電源制御装置に通知する
ようにすることによって、実際には電源投入状態となっ
ていない被制御装置に対する電源投入状態の誤検出を防
止することができ、信頼性を向上させることができると
いう効果がある。As explained above, according to the present invention, it is possible to detect that a power-on completion signal to a power control device has been received before a predetermined time has elapsed after a power-on signal to a controlled device has been transmitted. By notifying the power supply control device of the unconnected state of the control cable between the converter and the controlled device when detected, the power-on state of the controlled device that is not actually in the power-on state can be changed. This has the effect of preventing erroneous detection and improving reliability.
【図１】本発明の一実施例の構成を示すブロック図であ
る。FIG. 1 is a block diagram showing the configuration of an embodiment of the present invention.
【図２】本発明の一実施例の構成を示すブロック図であ
る。FIG. 2 is a block diagram showing the configuration of an embodiment of the present invention.
１ 電源制御装置 ２ 変換装置 ３ 被制御装置 ４，５ 制御ケーブル ２２ 変換器 ２３ 時間比較器 1 Power control device 2 Conversion device 3 Controlled device 4,5 Control cable 22 Converter 23 Time comparator
Claims (1)
御ケーブルを介して接続された被制御装置に送信し、前
記電源投入信号に応答して前記被制御装置から返信され
た電源投入完了信号を前記電源制御装置に送信する送信
手段と、前記制御ケーブルの未接続状態を検出したとき
に前記未接続状態にある被制御装置に代って電源投入完
了信号を前記電源制御装置に送信する接続状態検出手段
とを有する電源制御信号変換装置であって、前記被制御
装置に前記電源投入信号を送信してから前記被制御装置
および前記接続状態検出手段のうち一方からの前記電源
投入完了信号を受信するまでの時間と予め設定された所
定時間とを比較する比較手段を設け、前記電源投入信号
を送信してから前記所定時間が経過する前に前記電源投
入完了信号を受信したことが前記比較手段によって検出
されたとき、前記制御ケーブルの未接続状態を前記電源
制御装置に通知するようにしたことを特徴とする電源制
御信号変換装置。1. Transmitting a power-on signal from a power control device to a controlled device connected via a control cable, and receiving a power-on completion signal returned from the controlled device in response to the power-on signal. a transmitting means for transmitting to the power control device; and a connection state for transmitting a power-on completion signal to the power control device on behalf of the controlled device in the disconnected state when detecting the disconnected state of the control cable. a power control signal converting device having a detection means, the device transmits the power-on signal to the controlled device, and then receives the power-on completion signal from one of the controlled device and the connection state detection means; a comparison means for comparing the time until the power-on signal is transmitted with a predetermined time set in advance; A power supply control signal conversion device, characterized in that the power supply control signal conversion device is configured to notify the power supply control device of the unconnected state of the control cable when detected by the control cable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3017001A JP2591862B2 (en) | 1991-01-17 | 1991-01-17 | Power control signal converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3017001A JP2591862B2 (en) | 1991-01-17 | 1991-01-17 | Power control signal converter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH04243405A true JPH04243405A (en) | 1992-08-31 |
| JP2591862B2 JP2591862B2 (en) | 1997-03-19 |
Family
ID=11931774
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3017001A Expired - Lifetime JP2591862B2 (en) | 1991-01-17 | 1991-01-17 | Power control signal converter |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2591862B2 (en) |
-
1991
- 1991-01-17 JP JP3017001A patent/JP2591862B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JP2591862B2 (en) | 1997-03-19 |
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