JPS6090455A - Device collecting data while supplying power to terminal device - Google Patents
Device collecting data while supplying power to terminal deviceInfo
- Publication number
- JPS6090455A JPS6090455A JP9770283A JP9770283A JPS6090455A JP S6090455 A JPS6090455 A JP S6090455A JP 9770283 A JP9770283 A JP 9770283A JP 9770283 A JP9770283 A JP 9770283A JP S6090455 A JPS6090455 A JP S6090455A
- Authority
- JP
- Japan
- Prior art keywords
- terminal
- current
- power
- terminal device
- switch
- 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
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/54—Systems for transmission via power distribution lines
- H04B3/548—Systems for transmission via power distribution lines the power on the line being DC
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B2203/00—Indexing scheme relating to line transmission systems
- H04B2203/54—Aspects of powerline communications not already covered by H04B3/54 and its subgroups
- H04B2203/5404—Methods of transmitting or receiving signals via power distribution lines
- H04B2203/5416—Methods of transmitting or receiving signals via power distribution lines by adding signals to the wave form of the power source
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B2203/00—Indexing scheme relating to line transmission systems
- H04B2203/54—Aspects of powerline communications not already covered by H04B3/54 and its subgroups
- H04B2203/5462—Systems for power line communications
- H04B2203/547—Systems for power line communications via DC power distribution
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B2203/00—Indexing scheme relating to line transmission systems
- H04B2203/54—Aspects of powerline communications not already covered by H04B3/54 and its subgroups
- H04B2203/5462—Systems for power line communications
- H04B2203/5495—Systems for power line communications having measurements and testing channel
Abstract
Description
【発明の詳細な説明】
本発明は中央機から端末機へ電源を供給しながら端末機
の採取データを中央機へ伝送する装置に関する。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to an apparatus for transmitting collected data from a terminal to a central machine while supplying power from the central machine to the terminal.
一般に商用電源のない遠隔地に端末機がある場合、端末
機用の電池を設けてこれを定期的に交換するか、中央機
から電源を供給するか、端末機側に太陽電池等の発電装
置を併用する手段が用いられる。中央機から端末機へ電
線により電源を供給する場合、従来方式によれば電源供
給用のラインと、データ伝送用ラインの合計４本のライ
ンを敷設しなければならなかった。Generally, if a terminal is located in a remote area without commercial power, it is necessary to install a battery for the terminal and replace it regularly, to supply power from a central unit, or to use a power generator such as a solar cell on the terminal. A method that uses both is used. In order to supply power from the central device to the terminal devices via electric wires, according to the conventional method, a total of four lines had to be laid: a line for power supply and a line for data transmission.
本発明の目的は、２本のラインにより中央機から端末機
へ電源を供給しながら端末機の測定データ等を中央機へ
高いＳＮ比で伝送する装置を提供することにある。SUMMARY OF THE INVENTION An object of the present invention is to provide a device that transmits measurement data and the like from the terminal to the central device at a high signal-to-noise ratio while supplying power from the central device to the terminal through two lines.
本発明の電源供給兼伝送装置は、中央機と端末機の間を
接続する２本の接続線とその接続線の中央機に設けられ
た端末機用直流電源と、その接続線の一方の線の端末機
側に設けられた定電流源と、その第一の定電流源の中央
側端子と接続線の他方の線の間に設けられた電流切換え
器と、上記定電流源の端末機側に設りられた端末機用直
流電源と、端末機から中央機へ伝送すべきデータにより
上記電流切換え器をオンオフ制御するデータ送信手段と
、接続線の中央機側における電流変化を検出して中央機
へ取り込むデータ受信手段を有し、上記端末機用直流電
源により端末機へ電流を供給しながら端末機のデータを
中央機へ収集することを特徴としている。The power supply and transmission device of the present invention includes two connection lines connecting a central machine and a terminal, a DC power supply for the terminal provided in the central machine of the connection line, and one line of the connection line. a constant current source provided on the terminal side of the first constant current source, a current switching device provided between the center terminal of the first constant current source and the other connecting wire, and a current switching device provided on the terminal side of the constant current source. A DC power supply for the terminal device installed in The present invention is characterized in that it has a data receiving means for inputting data into a central device, and collects data from the terminals to the central device while supplying current to the terminals from the terminal device DC power supply.
以下、本発明の実施例を図面に基づいて説明する。Embodiments of the present invention will be described below based on the drawings.
中央機ｌに対し遠隔場所に端末機２が設けられ、両機は
２本の接続線３．４により接続さている。A terminal device 2 is provided at a remote location to the central device 1, and both devices are connected by two connection lines 3.4.
中央機ｌには、端末機に対し電源供給するための電池５
が２本の接続線間に接続され、接続線のうちの片方にト
ランス６を設けて、接続線上の電流変化を検出しうるよ
うになっている。このトランスに代えて、電流検出用抵
抗器を用いることもできる。The central device 1 includes a battery 5 for supplying power to the terminal device.
is connected between two connecting wires, and a transformer 6 is provided on one of the connecting wires so that changes in current on the connecting wires can be detected. A current detection resistor can also be used instead of this transformer.
端末機２には、接続線の一方の線３に、電池５の供給方
向と同方向の定電流源７が設けられ、その端末側の両接
続線３．４間に定電圧を得るためのツェナーダイオード
８が接続され、その両端に端末機用直流電源を得るため
の直流−直流コンバータ９が設けられ、これにより端末
機本体１ｏへ電源供給される。端末機本体１ｏは例えば
センサを含む、データ採取装置であって、その採取デー
タとデータ送信手段１２により“ｏ″又は“１”のデジ
タル信号に変換されて電流切換え器１１をオン又はオフ
の二状態に駆動する。この電流切換器１１は定電流源７
の中央側からもう１つの接続線４の間に接続されており
例えばトランジスタのスイッチング回路により構成する
ことができる。In the terminal device 2, a constant current source 7 is provided on one of the connecting wires 3 in the same direction as the supply direction of the battery 5, and a constant current source 7 is provided in the same direction as the supply direction of the battery 5. A Zener diode 8 is connected, and a DC-DC converter 9 is provided at both ends of the Zener diode 8 for obtaining a DC power source for the terminal, thereby supplying power to the terminal main body 1o. The terminal main body 1o is a data acquisition device including, for example, a sensor, and the collected data is converted into a digital signal of "o" or "1" by the data transmission means 12, and the current switch 11 is turned on or off. Drive to state. This current switch 11 is a constant current source 7
The connection line 4 is connected from the center side to another connection line 4, and can be constituted by, for example, a transistor switching circuit.
次に作用を説明する。電流切換え器１１がオフ状態のと
き、定電流源７による電流１１が接続線４上に流れてい
る。電流切換え器１１がオン状態になると、接続線４上
には□電流切換え器１１による電流１２と電流１１の重
畳されたもの（＋＋＋ｉ２）が流れる。その結果、本体
ｌのトランス６では端末機２の電流切換え器１１の作動
状態に応じた電流変化、すなわち端末機２の送信データ
をデジタル情報として検出することができる。また、端
末機２の電源は、電池５、定電流源７、直流−直流コン
バータ９により供給され、直流−直流コンバータ９の入
力端電圧はツェナーダイオード８により富に定電圧化さ
れている。Next, the action will be explained. When the current switch 11 is in the off state, a current 11 from the constant current source 7 flows on the connection line 4. When the current switch 11 is turned on, a superimposed current (+++i2) of the current 12 and the current 11 from the □ current switch 11 flows on the connection line 4. As a result, the transformer 6 of the main body 1 can detect current changes according to the operating state of the current switching device 11 of the terminal 2, that is, the data transmitted from the terminal 2 as digital information. Power for the terminal device 2 is supplied by a battery 5, a constant current source 7, and a DC-DC converter 9, and the input terminal voltage of the DC-DC converter 9 is highly regulated by a Zener diode 8.
本発明によれば、２本の接続線により端末機へ電源を供
給しながら端末機の送信データを中央機へ取り込むこと
ができる。また、アース線等を用いていないのでノイズ
の重畳が少なく高いＳＮ比でデータ伝送するこができる
。According to the present invention, data transmitted from the terminal can be input to the central device while power is supplied to the terminal through two connection lines. Further, since no ground wire or the like is used, data can be transmitted with less noise superimposition and a high signal-to-noise ratio.
図面は本発明の実施例を示す回路図である。 １−中央機 ２一端末機 ３．４−接続線 ５−電池 ｔ′ ６−データ受信手段 ７一定電流源 ８−ツェナーダイオード ９−・直流−直流コンバータ The drawing is a circuit diagram showing an embodiment of the present invention. 1-Central machine 2-Terminal machine 3.4-Connection wire 5-Battery t' 6-Data receiving means 7 Constant current source 8-Zener diode 9-・DC-DC converter
Claims (1)
続線の中央機に設りられた端末機用直流電源と、その接
続線の一方の線の端末機側に設けられた定電流源と、そ
の第一の定電流源の中央側端子と接続線の他方の線の間
に設けれた電流切換え器と、上記定電流源の端末側に設
けられた端末機用直流電源と、端末機から中央機へ伝送
すべきデーにより上記電源切換え器をオンオフ制御する
データ送信手段と、接続線の中央機側における電流変化
を検出して中央機へ取り込むデータ受信手段を有し、上
記端末機用直流電源により端末機へ電源を供給しながら
端末機のデータを中央機へ収集する装置。Two connecting wires connecting the central machine and the terminal, a DC power supply for the terminal installed on the central machine of the connecting wire, and a DC power supply for the terminal installed on the terminal side of one of the connecting wires. A constant current source, a current switching device provided between the center terminal of the first constant current source and the other connecting wire, and a DC power source for a terminal device provided at the terminal side of the constant current source. and a data transmitting means for controlling the power switch on and off according to the data to be transmitted from the terminal to the central machine, and a data receiving means for detecting a current change on the central machine side of the connection line and importing it into the central machine, A device that collects data from the terminals to a central device while supplying power to the terminals using the DC power supply for the terminals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9770283A JPS6090455A (en) | 1983-05-31 | 1983-05-31 | Device collecting data while supplying power to terminal device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9770283A JPS6090455A (en) | 1983-05-31 | 1983-05-31 | Device collecting data while supplying power to terminal device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6090455A true JPS6090455A (en) | 1985-05-21 |
Family
ID=14199252
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9770283A Pending JPS6090455A (en) | 1983-05-31 | 1983-05-31 | Device collecting data while supplying power to terminal device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6090455A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008108303A (en) * | 2006-10-23 | 2008-05-08 | Sharp Corp | Power-saving-type quick launch mode system |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56160161A (en) * | 1980-05-14 | 1981-12-09 | Ricoh Co Ltd | Data transmitting system |
| JPS5819064A (en) * | 1981-07-27 | 1983-02-03 | Shinpo Kogyo Kk | Pulse transmitter |
-
1983
- 1983-05-31 JP JP9770283A patent/JPS6090455A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56160161A (en) * | 1980-05-14 | 1981-12-09 | Ricoh Co Ltd | Data transmitting system |
| JPS5819064A (en) * | 1981-07-27 | 1983-02-03 | Shinpo Kogyo Kk | Pulse transmitter |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008108303A (en) * | 2006-10-23 | 2008-05-08 | Sharp Corp | Power-saving-type quick launch mode system |
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