JPH11282552A - Method for detecting load terminal information of variable power source device - Google Patents
Method for detecting load terminal information of variable power source deviceInfo
- Publication number
- JPH11282552A JPH11282552A JP12515798A JP12515798A JPH11282552A JP H11282552 A JPH11282552 A JP H11282552A JP 12515798 A JP12515798 A JP 12515798A JP 12515798 A JP12515798 A JP 12515798A JP H11282552 A JPH11282552 A JP H11282552A
- Authority
- JP
- Japan
- Prior art keywords
- signal
- variable power
- load
- power supply
- information
- 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
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】この発明は、可変電源装置に
よって負荷の状態を制御するシステムにおいて、負荷か
らの情報信号を正確かつ経済的に、可変電源装置へ伝送
する方法に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for accurately and economically transmitting an information signal from a load to a variable power supply in a system for controlling the state of a load using the variable power supply.
【０００２】[0002]
【従来の技術】従来より、負荷の状態を電気的にコント
ロールする必要がある装置では、可変電源装置が用いら
れ、本体から負荷端まで信号を伝送するための専用配線
を設け、それを用いて負荷端の電気的情報を伝送し、そ
の情報により本体側で適切な制御を実施していた。2. Description of the Related Art Conventionally, a variable power supply device is used in a device that needs to electrically control the state of a load, and a dedicated wiring for transmitting a signal from a main body to a load terminal is provided. Electrical information of the load end was transmitted, and the main body side performed appropriate control based on the information.
【０００３】[0003]
【発明が解決しようとする課題】記載されたような従来
の方法では、次のような問題点があった。 ・情報伝送のための専用線路による電圧降下が、誤差原
因になる。 ・情報伝送のための専用線路が周辺ノイズの影響を受け
て、誤差原因になる。 ・情報伝送用に専用線を張る必要があり、不経済であ
る。The conventional method as described has the following problems. -Voltage drop due to the dedicated line for information transmission causes errors. -A dedicated line for information transmission is affected by ambient noise, causing errors.・ It is necessary to provide a dedicated line for information transmission, which is uneconomical.
【０００４】[0004]
【問題を解決するための手段】本発明は、負荷端に情報
検出機能、信号変換機能、および信号変調搬送機能をも
つ装置を設け、負荷端の情報を電源供給線路を兼用させ
て可変電源装置に送信し、ここに設置された信号復調装
置で情報を取り出し、可変電源装置を制御しようとする
ものである。このようにすれば、従来のような情報伝送
のための専用線路の配線が不要になるばかりか、その線
路の長さの違いによる電圧降下や、長さや経路の違いに
よる周辺ノイズのさまざまな影響による情報データのバ
ラツキを解消することができる。SUMMARY OF THE INVENTION The present invention provides a variable power supply device in which a device having an information detection function, a signal conversion function, and a signal modulation / carrier function is provided at a load terminal, and information at the load terminal is also used as a power supply line. , And information is extracted by a signal demodulation device installed therein to control the variable power supply device. This not only eliminates the need for a dedicated line for information transmission as in the past, but also the various effects of peripheral noise due to differences in length and path due to differences in the length of the line. Of the information data due to the above.
【０００５】[0005]
【発明の実施の形態】以下、本発明の実施の形態を説明
する。本発明の方法では、可変電源装置の出力端子か
ら、電源供給線路により電力が供給されている負荷の直
近に情報検出、信号変換、信号変調と搬送機能をもった
装置を接続し、負荷の各種情報を電源供給線にのせて可
変電源装置に送る。可変電源装置側には、信号復調装置
が設けてあり、送られてきた信号を復調する。Embodiments of the present invention will be described below. In the method of the present invention, a device having information detection, signal conversion, signal modulation and carrier functions is connected to the output terminal of the variable power supply in the immediate vicinity of the load to which power is supplied by the power supply line, and various types of loads are connected. The information is sent to the variable power supply on the power supply line. A signal demodulation device is provided on the variable power supply device side, and demodulates the transmitted signal.
【０００６】[0006]
【実施例】実施例について、図面を参照して説明する。
図１に示される実施例では、電源端子台（１）を介して
得られた電力は、可変電源装置（２）で各種条件に応じ
て加工され、出力端子台（４）から電源供給線路（５）
をとおして負荷（６）に供給される。 システムとし
て、負荷（６）の電気的状態を検出しながら、その状態
を意図的に制御したい時には、負荷（６）の直近に情報
検出回路（７）、信号変換回路（８）、信号変調回路
（９）、信号搬送回路（１０）をも含む装置を設け、こ
れらによって検知し、処理された負荷の情報信号は電源
供給線路（５）を伝って可変電源装置（２）に送られ
る。可変電源装置（２）の内部には、送られた情報信号
を復調して取り出す信号復調回路（１１）があり、ここ
で可変電源ユニット（３）でも利用できる信号に変換さ
れる。Embodiments will be described with reference to the drawings.
In the embodiment shown in FIG. 1, the power obtained via the power supply terminal block (1) is processed according to various conditions by the variable power supply device (2), and is supplied from the output terminal block (4) to the power supply line ( 5)
To the load (6). When the system intentionally controls the electrical state of the load (6) while detecting the electrical state of the load (6), an information detection circuit (7), a signal conversion circuit (8), and a signal modulation circuit are provided in the immediate vicinity of the load (6). (9) A device including a signal carrier circuit (10) is provided, and a load information signal detected and processed by these devices is transmitted to a variable power supply device (2) via a power supply line (5). Inside the variable power supply device (2), there is a signal demodulation circuit (11) for demodulating and extracting the transmitted information signal, where it is converted into a signal that can also be used by the variable power supply unit (3).
【０００７】[0007]
【発明の効果】本発明は、以上に説明したような形態で
実施され、以下に記載されるような効果を奏する。The present invention is embodied in the form described above, and has the following effects.
【０００８】負荷端の情報を、負荷端の直近で直接に搬
送信号に変換するため、電源供給線路の長さや経路の影
響を受けにくく、信号の誤差やバラツキが小さい。[0008] Since the information at the load end is directly converted into a carrier signal immediately near the load end, it is hardly affected by the length and path of the power supply line, and signal errors and variations are small.
【０００９】負荷端の情報を、負荷端の直近で直接に搬
送信号に変換して送るため、周辺のノイズを受けにく
く、信号の信頼性が高い。Since the information at the load end is directly converted into a carrier signal immediately near the load end and sent, it is hard to receive peripheral noise and the signal reliability is high.
【００１０】変換された搬送信号は、電源供給線路を利
用して送るので、従来の情報伝送のための長い専用線を
張る必要がない。Since the converted carrier signal is transmitted using the power supply line, there is no need to provide a long dedicated line for conventional information transmission.
【００１１】負荷端に、情報を検出し、搬送信号に加工
して送る独立した機能があるため、他の状態監視等に応
用して利用することが可能で、一種の情報インフラとし
ての価値がある。Since the load end has an independent function of detecting information, processing it into a carrier signal, and sending it, it can be used for application to other state monitoring, etc., and has a value as a kind of information infrastructure. is there.
【図１】 本発明の概要を示すブロック図FIG. 1 is a block diagram showing an outline of the present invention.
１ 電源端子台 ２ 可変電源装置 ３ 可変電源ユニット ４ 出力端子台 ５ 電源供給線路 ６ 負荷 ７ 情報検出回路 ８ 信号変換回路 ９ 信号変調回路 １０ 信号搬送回路 １１ 信号復調回路 DESCRIPTION OF SYMBOLS 1 Power supply terminal block 2 Variable power supply unit 3 Variable power supply unit 4 Output terminal block 5 Power supply line 6 Load 7 Information detection circuit 8 Signal conversion circuit 9 Signal modulation circuit 10 Signal carrier circuit 11 Signal demodulation circuit
Claims (1)
出機能、信号変換機能、および信号変調搬送機能を持つ
装置を設け、負荷端の情報を電源供給線路を兼用して可
変電源装置に送信し、ここに設置された信号復調装置で
情報を取り出す、可変電源装置の負荷端情報の検出方
法。An apparatus having an information detection function, a signal conversion function, and a signal modulation / carrier function is provided at a load terminal connected to a variable power supply device, and information on the load terminal is transmitted to a variable power supply device also as a power supply line. A method for detecting load-end information of a variable power supply, transmitting and extracting information with a signal demodulator installed here.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12515798A JPH11282552A (en) | 1998-03-30 | 1998-03-30 | Method for detecting load terminal information of variable power source device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12515798A JPH11282552A (en) | 1998-03-30 | 1998-03-30 | Method for detecting load terminal information of variable power source device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH11282552A true JPH11282552A (en) | 1999-10-15 |
Family
ID=14903296
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12515798A Pending JPH11282552A (en) | 1998-03-30 | 1998-03-30 | Method for detecting load terminal information of variable power source device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH11282552A (en) |
-
1998
- 1998-03-30 JP JP12515798A patent/JPH11282552A/en active Pending
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