JPS5948585B2 - Double flow drive system - Google Patents
Double flow drive systemInfo
- Publication number
- JPS5948585B2 JPS5948585B2 JP13126880A JP13126880A JPS5948585B2 JP S5948585 B2 JPS5948585 B2 JP S5948585B2 JP 13126880 A JP13126880 A JP 13126880A JP 13126880 A JP13126880 A JP 13126880A JP S5948585 B2 JPS5948585 B2 JP S5948585B2
- Authority
- JP
- Japan
- Prior art keywords
- constant current
- current driver
- current
- negative direction
- terminal
- 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
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/20—Repeater circuits; Relay circuits
- H04L25/22—Repeaters for converting two wires to four wires; Repeaters for converting single current to double current
Description
【発明の詳細な説明】
本発明は複流駆動方式、特に正方向定電流駆動器と負方
向定電流駆動器とを相補助に組合せて成る複流駆動回路
における複流駆動方式に関す。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a double-current drive system, particularly to a double-current drive system in a double-current drive circuit comprising a phase-auxiliary combination of a positive direction constant current driver and a negative direction constant current driver.
電信符号等の低速度の２値データを伝送路を経由して伝
送する場合に、伝送路に送出する直流電流方向をデータ
値に対応して反転する、所謂複流信号による場合が少な
くない。この様な伝送路を電子式データ伝送装置に収容
する場合には、該電子式データ伝送装置内の電位による
２値データを受信して、前記伝送路に規定電流値の複流
信号を送信する複流駆動回路を使用する必要がある。第
１図および第２図は従来ある複流駆動方式の一例を示す
図である。第１図において、端子１に論理１（＋５ボル
ト）データが入力されると、否定回路３から論理０（０
ボルト）データが出力される。その結果、フォトカプラ
４のダイオードが付勢されてフォトトランジスタのコレ
クタ・エミッタ間が導通状態となる。従つてトランジス
タ６が阻止状態となり、またトランジスタ１０は導通状
態となる。その結果抵抗９の両端は無電圧となり、負電
圧電源−Ｖ、抵抗１９、トランジスタ１８および定電圧
ダイオードＩＴから成る負方向定電流駆動器から端子２
には負方向電流−１は送出されず、一方抵抗１１の両端
には定電圧ダイオード１４の降服電圧に等しい電圧が生
じ、正電圧電源＋Ｖ、抵抗１５、トランジスタ１６およ
び定電圧ダイオード１４から成る正方向定電流駆動器か
ら端子２には、前記定電圧ダイオード１４の降服電圧と
抵抗１５により定まる正方向電流＋工が・ 送出される
。次に端子１に論理０（０ボルト）データが入力される
と、否定回路３から論理１（＋５ボルト）データが出力
される。その結果、フォトカプラ４のダイオードが無電
流となりフォトトランジスタのコレクタ・エミッタ間が
阻止状態とな・ る。従つてトランジスタ６が導通状態
となり、またトランジスタ１０が阻止状態となる。その
結果抵抗１１の両端は無電圧となり、前記正方向定電流
駆動器から端子２には正方向電流＋Ｉは送出されず、一
方抵抗９の両端には定電圧ダイオードフ ＩＴの降服電
圧に等しい電圧が生じ、前記負方向定電流駆動器から端
子２には、前記定電圧ダイオード１？と抵抗１９により
定まる負方向電流−１が送出される。同様に第２図にお
いても、端子１に論理１（＋５ボルト）データが入力さ
れると、５ 否定回路３からは論理０（０ボルト）デー
タが出力され、また否定回路２０からは論理１（＋５ボ
ルト）データが出力される。その結果、フオトカプラ２
１のダイオードは無電流となり、フオトトランジスタの
コレクタ・エミツタ間は阻止状態となり、またフオトカ
プラ２２のダイオードは付勢されてフオトトランジスタ
のコレクタ・エミツタ間は導通状態となる。従つて、第
１図におけると同一構成の負方向定電流駆動器から端子
２には負方向電流一■は送出されず、第１図におけると
同一構成の正方向定電流駆動器から端子２には、定電圧
ダイオード１４の降服電圧と抵抗１５により定まる正方
向電流＋■が送出される。更に端子１に論理０（０ボル
ト）データが入力されると、否定回路３から論理１デー
タ（＋５ボルト）が出力され、また否定回路２０からは
論理０（０ボルト）が出力される。その結果、フオトカ
プラ２１のダイオードは付勢されてフオトトランジスタ
のコレクタ・エミツタ間は導通状態となり、またフオト
カプラ２２のダイオードは無電流となりフオトトランジ
スタのコレクタ・エミツタ間は阻止状態となる。従つて
前記正方向定電流駆動器から端子２には正方向電流＋■
は送出されず、前記負方向定電流駆動器から端子２には
、定電圧ダイオード１７の降服電圧と抵抗１９により定
まる負方向電流−１が送出される。以上の説明から明ら
かな如く、従来ある複流駆動回路においては、端子１に
論理１データが入力された時に正方向定電流駆動器を動
作させ、負方向定電流駆動器を休止させることにより端
子２に正方向電流＋■を送出し、端子１に論理０データ
が入力された時に負方向定電流駆動器を動作させ、正方
向定電流駆動器を休止させることにより端子２に負方向
電流−１を送出している。When transmitting low-speed binary data such as telegraph codes via a transmission line, it is often the case that a so-called double-current signal is used, in which the direction of direct current sent to the transmission line is reversed in accordance with the data value. When such a transmission path is accommodated in an electronic data transmission device, a double-current signal that receives binary data based on the potential within the electronic data transmission device and transmits a double-current signal of a specified current value to the transmission path is used. It is necessary to use a driving circuit. FIGS. 1 and 2 are diagrams showing an example of a conventional double flow drive system. In FIG. 1, when logic 1 (+5 volts) data is input to terminal 1, logic 0 (0
Volt) data is output. As a result, the diode of the photocoupler 4 is energized, and the collector and emitter of the phototransistor become conductive. Therefore, transistor 6 becomes blocked and transistor 10 becomes conductive. As a result, there is no voltage across the resistor 9, and a negative direction constant current driver consisting of the negative voltage power supply -V, the resistor 19, the transistor 18, and the constant voltage diode IT is connected to the terminal 2.
A negative current -1 is not sent to the resistor 11, and a voltage equal to the breakdown voltage of the voltage regulator diode 14 is generated across the resistor 11. A positive direction current determined by the breakdown voltage of the constant voltage diode 14 and the resistor 15 is sent from the directional constant current driver to the terminal 2. Next, when logic 0 (0 volt) data is input to terminal 1, logic 1 (+5 volt) data is output from NOT circuit 3. As a result, the diode of the photocoupler 4 has no current, and the collector-emitter of the phototransistor is in a blocking state. Therefore, transistor 6 becomes conductive and transistor 10 becomes blocked. As a result, there is no voltage across the resistor 11, and no positive current +I is sent from the positive constant current driver to the terminal 2, while a voltage equal to the breakdown voltage of the constant voltage diode IT is applied across the resistor 9. occurs, and from the negative direction constant current driver to terminal 2, the constant voltage diode 1? A negative direction current -1 determined by the resistor 19 is sent out. Similarly, in FIG. 2, when logic 1 (+5 volts) data is input to terminal 1, logic 0 (0 volts) data is output from the NOT circuit 3, and logic 1 (+5 volts) data is output from the NOT circuit 20. +5 volts) data is output. As a result, photocoupler 2
The diode No. 1 has no current and the collector-emitter of the phototransistor is in a blocked state, and the diode of the photocoupler 22 is energized and the collector-emitter of the phototransistor is in a conductive state. Therefore, the negative direction current 1 is not sent to terminal 2 from the negative direction constant current driver having the same configuration as in FIG. A positive direction current +■ determined by the breakdown voltage of the constant voltage diode 14 and the resistor 15 is sent out. Furthermore, when logic 0 (0 volts) data is input to terminal 1, logic 1 data (+5 volts) is output from NOT circuit 3, and logic 0 (0 volts) is output from NOT circuit 20. As a result, the diode of the photocoupler 21 is energized and conducts between the collector and emitter of the phototransistor, and the diode of the photocoupler 22 has no current and is blocked between the collector and emitter of the phototransistor. Therefore, a positive direction current +■ is applied to terminal 2 from the positive direction constant current driver.
is not sent out, and a negative direction current -1 determined by the breakdown voltage of the constant voltage diode 17 and the resistor 19 is sent out from the negative direction constant current driver to the terminal 2. As is clear from the above explanation, in a conventional double current drive circuit, when logic 1 data is input to terminal 1, the positive direction constant current driver is operated and the negative direction constant current driver is stopped. When logic 0 data is input to terminal 1, the negative direction constant current driver is operated, and by stopping the positive direction constant current driver, a negative direction current of -1 is sent to terminal 2. is being sent.
この様に正方向および負方向定電流，駆動器を互に背反
動作させるために、第１図においてはトランジスタ６お
よび１０、第２図においては否定回路３および２０が必
要であり、複流１駆動回路の経済化を損な （つ〇本発
明の目的は、前述の如き従来ある複流駆動回路の欠点を
除去し、正方向および負方向定電流駆動器を背反動作さ
せる手段を経済化するにある。In order to operate the positive direction and negative direction constant current and drivers in opposition to each other, transistors 6 and 10 are required in FIG. 1, and inverter circuits 3 and 20 are required in FIG. 2. The purpose of the present invention is to eliminate the disadvantages of the conventional double current drive circuit as described above and to make the means for operating the positive direction and negative direction constant current drivers in reverse order economical. .
この目的は、正方向定電流駆動器と負方向定電ｔ流駆動
器とを相補的に組合せて成る複流駆動回路において、前
記正方向定電流，駆動器および負方向定電流駆動器の何
れか一方に入力信号供給手段を設けると共に、該入力信
号供給手段により入力信号を供給された定電流駆動器の
出力電流の有無を検出する検出手段を設け、該検出手段
の検出結果により入力信号を供給される定電流１駆動器
とは背反的に他方の定電流駆動器を駆動制御することに
より達成される。以下本発明の一実施例を第３図により
説明する。This purpose is to provide a double current drive circuit which is a complementary combination of a positive direction constant current driver and a negative direction constant current driver. An input signal supply means is provided on one side, and a detection means is provided for detecting the presence or absence of an output current of the constant current driver to which the input signal is supplied by the input signal supply means, and the input signal is supplied based on the detection result of the detection means. This is achieved by driving and controlling the other constant current driver in contrast to the one constant current driver. An embodiment of the present invention will be described below with reference to FIG.
第３図は本発明の一実施例による複流駆動方式を示す図
である。第３図において、端子１に論理１（＋５ボルト
）データが入力されると、否定回路３から論理０（０ボ
ルト）データが出力される。その結果フオトカプラ２２
のダイオードが付勢されて、フオトトランジスタのコレ
タタ・エミツタ間が導通状態となる。従つて負電圧電源
一■、抵抗１９、トランジスタ１８および定電圧ダイオ
ード１７から成る負方向定電流駆動器から端子２には負
方向電流−■は送出されない。その結果、前記負方向電
流駆動器内の負方向電流回路に挿入されているフオトカ
プラ２４のダイオードは無電流となり、対応フオトトラ
ンジスタは阻止状態となる。従つて正電圧電源＋Ｖ１抵
抗１５、トランジスタ１６および定電圧ダイオード１４
から成る正方向定電流，駆動器から端子２には、定電圧
ダイオード１７の降服電圧と抵抗１５により定まる正方
向電流＋■が送出される。次に端子１に論理０（０ボル
ト）データが入力されると、否定回路３から論理１（＋
５ボルト）データが出力される。その結果フオトカプラ
２２のダイオードは無電流となり、対応フオトトランジ
スタは阻止状態となる。従つて前記負方向定電流駆動器
から端子２には定電圧ダイオード１７と抵抗１９から定
まる負方向電流−１が送出される。その結果、前記負方
向定電流駆動器内の負方向電流回路に挿入されているフ
オトカプラ２４のダイオードは付勢されて、対応フオト
トランジスタが導通状態となる。従つて前記正方向定電
流，駆動器から端子２には正方向電流＋Ｉは送出されな
い。以上の説明から明らかな如く、本実施例によれば、
端子１から入力される２値データはフオトカプラ２２を
介して負方向定電流駆動器を直接制御し、該負方向定電
流駆動器から端子２に負方向電流−１を送出される時に
は、フオトカプラ２４を介して正方向定電流駆動器から
正方向電流＋Ｉの送出を停止させ、また負方向定電流駆
動器から端子２に負方向電流一■が送出されない時には
、フオトカプラ２４を介して正方向定電流駆動器から端
子２に正方向電流＋Ｉを送出させる。FIG. 3 is a diagram showing a double flow drive system according to an embodiment of the present invention. In FIG. 3, when logic 1 (+5 volts) data is input to terminal 1, logic 0 (0 volts) data is output from NOT circuit 3. As a result, photocoupler 22
The diode is energized, and conduction occurs between the collector and emitter of the phototransistor. Therefore, the negative direction current -2 is not sent to the terminal 2 from the negative direction constant current driver consisting of the negative voltage power supply 11, the resistor 19, the transistor 18 and the constant voltage diode 17. As a result, the diode of the photocoupler 24 inserted into the negative current circuit in the negative current driver has no current, and the corresponding phototransistor is in a blocking state. Therefore, positive voltage power supply +V1 resistor 15, transistor 16 and constant voltage diode 14
A positive current +■ determined by the breakdown voltage of the constant voltage diode 17 and the resistor 15 is sent from the driver to the terminal 2. Next, when logic 0 (0 volt) data is input to terminal 1, logic 1 (+
5 volts) data is output. As a result, the diode of the photocoupler 22 has no current and the corresponding phototransistor is in a blocked state. Therefore, a negative direction current -1 determined by the constant voltage diode 17 and the resistor 19 is sent to the terminal 2 from the negative direction constant current driver. As a result, the diode of the photocoupler 24 inserted in the negative direction current circuit in the negative direction constant current driver is energized, and the corresponding phototransistor becomes conductive. Therefore, the positive direction current +I is not sent from the positive direction constant current driver to the terminal 2. As is clear from the above description, according to this embodiment,
Binary data input from terminal 1 directly controls the negative direction constant current driver via photocoupler 22, and when negative direction current -1 is sent from the negative direction constant current driver to terminal 2, photocoupler 24 When the negative direction current +I is not sent from the negative direction constant current driver to the terminal 2, the positive direction constant current is stopped via the photocoupler 24. A positive direction current +I is sent from the driver to terminal 2.
従つて正方向および負方向定電流駆動器を互に背反動作
させるために、第１図におけるトランジスタ６および１
０、あるいは第２図における否定回路２０の如き特別の
要素を必要としない。なお、第３図はあく迄本発明の一
実施例に過ぎず、例えば端子１から入力される２値デー
タの論理値は＋５ボルトとＯボルトにより表現されるも
のに限定されず、他の表現によつても本発明の効果は変
らない。Therefore, in order to operate the positive direction and negative direction constant current drivers mutually inversely, transistors 6 and 1 in FIG.
0 or special elements such as the NOT circuit 20 in FIG. 2 are not required. Note that FIG. 3 is only one embodiment of the present invention, and for example, the logical value of the binary data input from terminal 1 is not limited to that expressed by +5 volts and O volts, but may be expressed in other ways. However, the effects of the present invention remain unchanged.
また端子１から入力される２値データは負方向定電流駆
動器を直接制御するものに限定されず、正方向定電流駆
動器を直接制御する構成においても、本発明の効果は変
らない。以上、本発明によれば正方向定電流駆動器と負
方向定電流駆動器とを有する複流駆動回路において、一
方の定電流駆動器に流れる駆動電流の有無により、他方
の定電流駆動器が背反的に作動する様制御され、入力２
値データを両定電流駆動器に背反的に導びく手段が不要
となり、前記複流駆動回路の経済化を促進する。Furthermore, the binary data inputted from the terminal 1 is not limited to directly controlling the negative direction constant current driver, and the effects of the present invention do not change even in a configuration in which the positive direction constant current driver is directly controlled. As described above, according to the present invention, in a double current drive circuit having a positive direction constant current driver and a negative direction constant current driver, depending on the presence or absence of a drive current flowing in one constant current driver, the other constant current driver Input 2
There is no need for a means for inversely guiding value data to both constant current drivers, promoting economicalization of the double current driving circuit.
第１図および第２図は従来ある複流駆動方式の→ｕを示
す図であり、第３図は本発明の一実施例による複流駆動
方式を示す図である。
図において、１および２は端子、３および２０は否定回
路、４，２１，２２および２４はフオトカプラ、６，１
０，１６および１８はトランジスタ、１３はダイオード
、１４および１７は定電圧ダイオード、 ５，７，８，
９，１１，１２，１５，１９および２３は抵抗、＋Ｖは
正電圧電源、−Ｖは負電圧電源、＋Ｉは正方向電流、−
１は負方向電流、を示す。1 and 2 are diagrams showing →u of a conventional double-flow drive system, and FIG. 3 is a diagram showing a double-flow drive system according to an embodiment of the present invention. In the figure, 1 and 2 are terminals, 3 and 20 are inverting circuits, 4, 21, 22 and 24 are photocouplers, and 6, 1
0, 16 and 18 are transistors, 13 is a diode, 14 and 17 are constant voltage diodes, 5, 7, 8,
9, 11, 12, 15, 19 and 23 are resistors, +V is a positive voltage power supply, -V is a negative voltage power supply, +I is a positive direction current, -
1 indicates a negative direction current.
Claims (1)
的に組合せて成る複流駆動回路において、前記正方向定
電流駆動器および負方向定電流駆動器の何れか一方に入
力信号供給手段を設けると共に、該入力信号供給手段に
より入力信号を供給された定電流駆動器の出力電流の有
無を検出する検出手段を設け、該検出手段の検出結果に
より入力信号を供給される定電流駆動器とは背反的に他
方の定電流駆動器を駆動制御することを特徴とする複流
駆動方式。1. In a double current drive circuit comprising a complementary combination of a positive direction constant current driver and a negative direction constant current driver, an input signal supply means to either the positive direction constant current driver or the negative direction constant current driver. and detecting means for detecting the presence or absence of an output current of the constant current driver to which the input signal is supplied by the input signal supplying means, and the constant current driver is supplied with the input signal based on the detection result of the detection means. This is a double current drive method that is characterized by controlling the drive of the other constant current driver, contrary to the above.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13126880A JPS5948585B2 (en) | 1980-09-20 | 1980-09-20 | Double flow drive system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13126880A JPS5948585B2 (en) | 1980-09-20 | 1980-09-20 | Double flow drive system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5755646A JPS5755646A (en) | 1982-04-02 |
| JPS5948585B2 true JPS5948585B2 (en) | 1984-11-27 |
Family
ID=15053948
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13126880A Expired JPS5948585B2 (en) | 1980-09-20 | 1980-09-20 | Double flow drive system |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5948585B2 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60226726A (en) * | 1984-04-23 | 1985-11-12 | 市川 文胤 | Movable signboard with storage battery as power source |
| JPS63141215U (en) * | 1987-03-07 | 1988-09-16 | ||
| JPS6414211U (en) * | 1987-07-16 | 1989-01-25 | ||
| JPH0533535Y2 (en) * | 1986-08-21 | 1993-08-26 |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59215690A (en) * | 1983-05-20 | 1984-12-05 | タテホ化学工業株式会社 | Electric insulating filler material of high temperature sheathed heater |
| JPS61214389A (en) * | 1985-03-19 | 1986-09-24 | タテホ化学工業株式会社 | Electric insulation filling material for sheathed heater |
-
1980
- 1980-09-20 JP JP13126880A patent/JPS5948585B2/en not_active Expired
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60226726A (en) * | 1984-04-23 | 1985-11-12 | 市川 文胤 | Movable signboard with storage battery as power source |
| JPH0533535Y2 (en) * | 1986-08-21 | 1993-08-26 | ||
| JPS63141215U (en) * | 1987-03-07 | 1988-09-16 | ||
| JPS6414211U (en) * | 1987-07-16 | 1989-01-25 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5755646A (en) | 1982-04-02 |
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