JPS62213285A - Photo-voltage conversion device - Google Patents
Photo-voltage conversion deviceInfo
- Publication number
- JPS62213285A JPS62213285A JP61056436A JP5643686A JPS62213285A JP S62213285 A JPS62213285 A JP S62213285A JP 61056436 A JP61056436 A JP 61056436A JP 5643686 A JP5643686 A JP 5643686A JP S62213285 A JPS62213285 A JP S62213285A
- Authority
- JP
- Japan
- Prior art keywords
- light emitting
- light
- emitting element
- receiving elements
- light receiving
- 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
- 238000006243 chemical reaction Methods 0.000 title claims description 8
- 230000000630 rising effect Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 6
- 241000531897 Loma Species 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
Abstract
Description
【発明の詳細な説明】
（産業上の利用分野）
本発明は、フォトＭＯＳリレーやフォトドライバなどの
応答の高速化が可能な光一電圧変換装置に関する。DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to an optical to voltage conversion device capable of increasing the response speed of a photoMOS relay, a photodriver, or the like.
（従来の技術）
従来、太陽電池として知られている光一電圧変換装置は
、第３図のような制御装置とともに用いて，入出力値シ
｝間の絶縁と，エネルギー伝達の効率化が図られている
。(Prior art) A photovoltaic converter, conventionally known as a solar cell, is used with a control device as shown in Figure 3 to achieve insulation between input and output values and to improve the efficiency of energy transfer. ing.
図において、ａは発光素子、ｂは所定段数縦統接続した
受光素子で、この発光素子ａと受光素子ｂで太陽電池を
構成している．Ｃは制御回路、ｄは負荷として制御回路
Ｃに接続されるＭＯＳＦＥＴである。In the figure, a is a light emitting element, b is a light receiving element connected in tandem in a predetermined number of stages, and the light emitting element a and the light receiving element b constitute a solar cell. C is a control circuit, and d is a MOSFET connected to the control circuit C as a load.
発光素子ａに流れる電流をｌｏｍＡ．受光素子側に流れ
る電流を５０ＩＬＡ、受光素子のダイオード１個当りの
出力電圧を０．４〜０．５ｖ、ダイオード段数を１６と
した場合には、ダイオード１個当りの定格電流は、５０
／１６＝３．１＃ＬＡ、出力電圧は、（０．４〜０．５
）Ｘ１Ｂ＝６．４〜８ｖとなる。The current flowing through the light emitting element a is lomA. When the current flowing to the light receiving element side is 50 ILA, the output voltage per diode of the light receiving element is 0.4 to 0.5 V, and the number of diode stages is 16, the rated current per diode is 50 ILA.
/16=3.1#LA, output voltage is (0.4~0.5
)X1B=6.4 to 8v.
（３Ｒ明が解決しようとする問題点）
このような光−電圧変換装置においては、第４図にボす
ように、人力信号が印加された場合、制御回路Ｃへの出
力信号の立］ニリ時間ｔ！は速いが、）Ｚ下りが遅くな
るという特性を右している。(Problems that 3R Ming attempts to solve) In such a light-voltage converter, as shown in Fig. 4, when a human input signal is applied, the output signal to the control circuit C rises. Time t! Although it is fast, it has the characteristic that the Z descent is slow.
このため、第５図に示すように、ダイオードＤに１υ絡
川トランジスタＴｒを設け、制御回路Ｃへの出力信号が
一定電圧、例えばｖｔｈに降下した時点ｔ２で該トラン
ジスタＴｒを制御回路Ｃから強制的にオンして出力端子
間を短絡することで、立下りの特性を改善する試みがな
されている。しかしながら、このような方法を用いると
Ｍｉ絡用のトランジスタＴｒによる電力消費が大きくな
るという問題があった。For this reason, as shown in FIG. 5, a 1υ Karikawa transistor Tr is provided in the diode D, and at the time t2 when the output signal to the control circuit C drops to a constant voltage, for example, vth, the transistor Tr is forced from the control circuit C. Attempts have been made to improve the falling characteristics by turning on the output terminal and short-circuiting the output terminals. However, when such a method is used, there is a problem in that power consumption by the Mi-circuiting transistor Tr increases.
そこで、本発明はこのような従来技術の問題点を解消す
ることをＬＩ的として、入力信号に対する応答の早い光
−電圧変換装置を提供するものである。Therefore, the present invention aims to solve the problems of the prior art as an LI feature, and provides a light-to-voltage converter that can quickly respond to an input signal.
（問題点を解消するための手段）
本発明は、同一信号源に対して互いに極性を反対に接続
される一対の発光素子と、各発光素子と対応した位置に
配置される一対の受光素子とからなり、前記受光素子の
反対極性側を共通に接続して出力信号端子としたことを
特徴とする、光−電圧変換装置を提供することにより、
前記した従来技術の問題点を解消するものである。(Means for Solving the Problems) The present invention comprises a pair of light emitting elements connected with opposite polarities to the same signal source, and a pair of light receiving elements disposed at positions corresponding to each light emitting element. By providing a light-to-voltage conversion device, characterized in that opposite polarity sides of the light receiving elements are commonly connected to serve as an output signal terminal.
This solves the problems of the prior art described above.
（作用）
本発明の光−電圧変換装置によれば、受光素子を制御回
路に接続したとき、各発光素子のオン信号のみを用いて
負荷を駆動することになり、応答が高速となる。(Function) According to the light-voltage converter of the present invention, when the light-receiving element is connected to the control circuit, the load is driven using only the ON signal of each light-emitting element, resulting in a high-speed response.
（実施例） 以下、図により本発明の一実施例について説明する。(Example) Hereinafter, one embodiment of the present invention will be described with reference to the drawings.
第１図は、本発明の光−電圧変換装置の構成図である０
図において、Ａ、Ｂは、共通信号源に接続される発光素
子であり、発光素子Ａは、信号源の正端子（＋）に対し
てアノードを、負端子（−）に対してカソードを接続す
る順方向接続とする。また、発光素子Ｂは、信号源の正
端子（＋）に対してカソードを、負端子（−）に対して
アノードを接続する逆方向接続となるように配置する。FIG. 1 is a block diagram of a light-to-voltage converter according to the present invention.
In the figure, A and B are light emitting elements connected to a common signal source, and light emitting element A has its anode connected to the positive terminal (+) of the signal source and its cathode connected to the negative terminal (-). Forward connection. Further, the light emitting element B is arranged in a reverse direction in which the cathode is connected to the positive terminal (+) of the signal source, and the anode is connected to the negative terminal (-) of the signal source.
各発光素子Ａ、Ｂに対しては、それぞれ受光素子ｂｌ
、ｂ２を対向配置して、各受光素子ｂｌ、ｂ２は、制御
回路Ｃに並列に接続する。なお、一点鎖線Ｐにて示す回
路部分は、同一パッケージに収容される。For each light emitting element A, B, a light receiving element bl
, b2 are arranged facing each other, and each light receiving element bl, b2 is connected to a control circuit C in parallel. Note that the circuit portion indicated by the dashed line P is housed in the same package.
次に、本発明の光−電圧変換装置の動作について説明す
る。第２図に示すように、時刻ｔ１で入力信号が信号源
から各発光素子Ａ、Ｂに印加されたとする０発光素子Ａ
は、入力信号の立上りでオンし、受光素子Ｂはこのとき
オフとなる０時刻ｔ２で人力信号が立下るときに、発光
素子Ａはオフ、発光素子Ｂはオンとなる。一方、受光素
子側では、受光素子ｂ１は時刻ｔ１で発光素子Ａがオン
になると動作し、受光素子ｂ２は時刻ｔ２で発光素子Ｂ
がオンになると動作する０ｇ１１回路Ｃは、各受光素子
す、、ｂ２がオンのときに負荷、例えばフォトＭＯＳリ
レーやフォトドライバ等を駆動制御する。Next, the operation of the light-voltage conversion device of the present invention will be explained. As shown in FIG. 2, it is assumed that an input signal is applied from the signal source to each light emitting element A and B at time t1.
is turned on at the rising edge of the input signal, and the light receiving element B is turned off at this time.When the human input signal falls at time t2, the light emitting element A is turned off and the light emitting element B is turned on. On the other hand, on the light receiving element side, light receiving element b1 operates when light emitting element A is turned on at time t1, and light receiving element b2 operates when light emitting element B turns on at time t2.
The 0g11 circuit C, which operates when turned on, drives and controls a load, such as a photoMOS relay or a photodriver, when each of the light receiving elements S, B2 is turned on.
（発明の効果）
以」二説明したように、未発明は、入力信号が印加され
たときに、入力信号の立上りでオンする発光素子と、入
力信号の立下りでオンする発光素子とを接続し、各発光
素子にそれぞれ対向して受光素子を設け、各発光素子の
オン信号のみを用いて負荷を駆動するので、立下り時間
の遅れを除去でき、不要な電力消費も生じることなく、
応答特性が高速な光−電圧変換装置が得られる。(Effects of the Invention) As explained below, the uninvention is to connect a light emitting element that turns on at the rising edge of the input signal and a light emitting element that turns on at the falling edge of the input signal when an input signal is applied. However, since a light-receiving element is provided opposite each light-emitting element and the load is driven using only the ON signal of each light-emitting element, delay in fall time can be eliminated, and unnecessary power consumption is not caused.
A light-voltage conversion device with high-speed response characteristics can be obtained.
４・図面のｍ１Ｑｉな説明
第１図は、本発明の一実施例を示す構成図、第２図、同
実施例の動作タイミングを示す特性図、第３図は、従来
装置による電子回路の構成例を示すブロック図、第４図
は、出力信号を示す特性図、第５図は、短絡用のトラン
ジスタ回路図である。4. Explanation of m1Qi in the drawings Fig. 1 is a configuration diagram showing an embodiment of the present invention, Fig. 2 is a characteristic diagram showing the operation timing of the same embodiment, and Fig. 3 is a configuration of an electronic circuit according to a conventional device. FIG. 4 is a block diagram showing an example, a characteristic diagram showing output signals, and FIG. 5 is a short circuit transistor circuit diagram.
Ａ 、 Ｂ 、 ａ−−−発光素子、ｂｌ、ｂ２ 、ｂ
・・・受光素子、Ｃ・・・制御回路、ｄ・・・ＭＯＳＦ
ＥＴ。A, B, a---light emitting element, bl, b2, b
... Light receiving element, C... Control circuit, d... MOSF
E.T.
特許出願人 ファナック株式会社 代 理 人 弁理士 辻 實 第３図 第４図 第５図Patent applicant: FANUC Corporation Representative Patent Attorney Minoru Tsuji Figure 3 Figure 4 Figure 5
Claims (3)
る一対の発光素子と、各発光素子と対応した位置に配置
される一対の受光素子とからなり、前記受光素子の反対
極性側を共通に接続して出力信号端子としたことを特徴
とする、光−電圧変換装置。(1) Consisting of a pair of light-emitting elements connected with opposite polarities to the same signal source, and a pair of light-receiving elements arranged at positions corresponding to each light-emitting element, with opposite polarity sides of the light-receiving elements connected. A light-to-voltage conversion device characterized in that the devices are commonly connected to serve as output signal terminals.
容したことを特徴とする前記特許請求の範囲第（１）項
に記載の光−電圧変換装置。(2) The light-to-voltage conversion device according to claim (1), wherein the light emitting element and the light receiving element are housed in the same package.
受光素子で構成してなることを特徴とする前記特許請求
の範囲第（１）項に記載の光−電圧変換装置。(3) The light-to-voltage conversion device according to claim (1), wherein each of the light receiving elements is composed of light receiving elements connected in series in multiple stages.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61056436A JPS62213285A (en) | 1986-03-14 | 1986-03-14 | Photo-voltage conversion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61056436A JPS62213285A (en) | 1986-03-14 | 1986-03-14 | Photo-voltage conversion device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62213285A true JPS62213285A (en) | 1987-09-19 |
Family
ID=13027032
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP61056436A Pending JPS62213285A (en) | 1986-03-14 | 1986-03-14 | Photo-voltage conversion device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62213285A (en) |
-
1986
- 1986-03-14 JP JP61056436A patent/JPS62213285A/en active Pending
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