JPS61767A - Abnormality detector - Google Patents
Abnormality detectorInfo
- Publication number
- JPS61767A JPS61767A JP59121538A JP12153884A JPS61767A JP S61767 A JPS61767 A JP S61767A JP 59121538 A JP59121538 A JP 59121538A JP 12153884 A JP12153884 A JP 12153884A JP S61767 A JPS61767 A JP S61767A
- Authority
- JP
- Japan
- Prior art keywords
- signal transmission
- abnormality detection
- connector
- transmission means
- photocoupler
- 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
Landscapes
- Tests Of Electronic Circuits (AREA)
Abstract
Description
【発明の詳細な説明】
〔発明の技術分野〕
この発明は１例えばマザーボード上の複数の電子回路基
板間を電線及びコネクタを用いて信号を授受する装置の
異常検出装置に関するものである。DETAILED DESCRIPTION OF THE INVENTION [Technical Field of the Invention] The present invention relates to an abnormality detection device for a device that transmits and receives signals between a plurality of electronic circuit boards on, for example, a motherboard using electric wires and connectors.
第１図は従来の信号伝達手段を示すブロック構成図であ
る。すなわち第１図においては、信号の授受を行う電子
回路基板（１）と（２）全構成する電子回路＋３１．
＋４１とコネクタ（５１，＋６１とマザーボード（７）
上忙取付けられたコネクタ＋８１． （９）及び複数の
電線Ｑ（ＩＫよって信号伝達を行っている。FIG. 1 is a block diagram showing a conventional signal transmission means. That is, in FIG. 1, an electronic circuit board (1) for transmitting and receiving signals, and (2) an electronic circuit +31.
+41 and connector (51, +61 and motherboard (7)
Top-mounted connector +81. (9) and a plurality of electric wires Q (signals are transmitted by IK).
このような従来の装置においては、コネクタ（５）。In such conventional devices, the connector (5).
（６ンの抜け、あるいは、コネクタ（５） −＋８ン、
（６１−（９１間の電気的接触不良による信号伝達系
の異常状態を検出することが出来ず、装置全体としての
信頼性を著しく損うと共に、故障探究に多大の時間を費
やさなければならないという重大な欠点があった。(6 connector disconnected, or connector (5) -+8 connector,
(61-(91) An abnormal condition in the signal transmission system due to poor electrical contact between There were serious shortcomings.
この発明は、このような従来の信号伝達装置の欠点を解
決するためになされたものであり、伝達される信号の他
に、信号伝達系統の異常を検出するだめの信号伝達手段
を設け、この信号伝達手段の作用により上記異常状態を
検出し、信号伝達装置を包括した電子装置全体の安全性
を確保し、信頼性を向上させる異常検出装置を提案する
ものである。The present invention was made to solve the drawbacks of such conventional signal transmission devices, and includes a signal transmission means for detecting abnormalities in the signal transmission system in addition to the transmitted signals. The present invention proposes an abnormality detection device that detects the abnormal state through the action of a signal transmission means, ensures the safety of the entire electronic device including the signal transmission device, and improves the reliability.
第２図は、この発明による異常検出装置の−実施例を示
すブロック構成図である。図において（１）〜Ｑｌは第
１図に示す従来の装置と同じ構成要素である。（１Ｂは
装置の信号伝達系統の異常状態を検出するだめの信号伝
達手段で、Ｕ２は信号伝達手段（１１１により伝達され
た信号で上記異常状態を検出する異常検出回路である。FIG. 2 is a block diagram showing an embodiment of the abnormality detection device according to the present invention. In the figure, (1) to Ql are the same components as the conventional device shown in FIG. (1B is a signal transmission means for detecting an abnormal state in the signal transmission system of the device, and U2 is an abnormality detection circuit that detects the above abnormal state by the signal transmitted by the signal transmission means (111).
この実施例において、コネクタ（５）あるいは（６）が
コネクタ（８）あるいは（９）から抜けた場合又は、電
気的接触不良を起こした場合には、異常信号伝達手段（
１１１及び異常検出回路αりで構成される一巡閉回路が
開放状態となる。異常検出回路０２ではこの開放状態を
検出し装置の安全の為に必要な処理を行う。In this embodiment, when the connector (5) or (6) is disconnected from the connector (8) or (9) or when an electrical contact failure occurs, the abnormality signal transmission means (
111 and the abnormality detection circuit α is in an open state. The abnormality detection circuit 02 detects this open state and performs necessary processing for the safety of the device.
具体的には、第３図圧示す様な回路構成を一例に挙げる
ことができる。Specifically, a circuit configuration as shown in FIG. 3 can be cited as an example.
第３図において、コネクタ（５１−＋８１． （６１−
（９１間が正常に接続されている場合には、異常検出回
路Ｏｚ内のフォトカップラーＵ１ｔｉ異常信号伝達手段
θＢ。In Figure 3, the connector (51-+81. (61-
(If the connection between 91 and 91 is normal, the photocoupler U1ti in the abnormality detection circuit Oz and the abnormality signal transmission means θB.
グラウンドＲＧ、ＤＣ電源勤で構成される一巡閉回路に
よって作動し、論理素子Ｕ２．Ｕ３の入力は論理レベル
「０」（ＴＴＬレベル；０■〜ｏ、ｓＶ）となり発光ダ
イオードＣＲは点灯しない。It is operated by a one-cycle closed circuit consisting of ground RG and DC power supply, and logic elements U2. The input to U3 becomes logic level "0" (TTL level; 0 - o, sV), and the light emitting diode CR does not light up.
次にコネクタ（５１−（８１，（６１−（９１間が正常
に接続されていない場合（コネクタ抜は状態、接触不良
状態を含む）には、異常信号伝達手段（ＩＤ、グラウン
ドＲＧ、フォトカップラーＵｌ、 抵抗Ｒ１，電源■Ｄ
Ｋよる一巡回路が開放状態となり、フォトカップラーＵ
１は非作動となる。この時、異常検出回路（１２１内の
電源ｖｉ、の電位は抵抗Ｒ２を通して論理素子Ｕ２．
Ｕ３の入力側に論理レベルｒ Ｉ Ｊ （Ｔ Ｔ Ｌ
レヘ／Ｌ’＋２．０ Ｖ〜５．５ Ｖ）を供給し、出力
側は論理レベル［ｏＪ（ＴＴＬレベル；ＯＶ〜１．ｓ
Ｖ ）となり１発光ダイオー、ドＣ’Ｒが点灯する。Next, if the connector (51-(81, (61-(91) is not properly connected (including unplugged status and poor contact status), abnormal signal transmission means (ID, ground RG, photocoupler) Ul, resistor R1, power supply ■D
The circuit through K becomes open, and the photocoupler U
1 is inactive. At this time, the potential of the power supply vi in the abnormality detection circuit (121) is applied to the logic element U2.
Logic level r I J (T T L
/L'+2.0 V to 5.5 V), and the output side has a logic level [oJ (TTL level; OV to 1.s
V), and 1 light emitting diode, C'R, lights up.
尚２本実施例では、異常検出処理として発光ダイオード
による異常警告表示にとどめて説明をしているが、異常
検出回路ａａ内の論理素子Ｕ２の出力信号を使って１例
えば計算機のソフトウェア信号処理により様々な異常処
理を発展実施できるもので、異常検出回路としては本実
施例罠限定されるものではない。2. In this embodiment, the explanation is limited to abnormality warning display using a light emitting diode as abnormality detection processing. Various abnormality processing can be developed and implemented, and the abnormality detection circuit is not limited to this embodiment.
又、実施例では２つの電子回路基板間の信号授受につい
て説明したが、この発明は本実施例罠限らず複数の基板
間での信号授受を行う装置にも使用出来るもので、上記
実施例に限定されるものではない。Further, in the embodiment, the signal exchange between two electronic circuit boards has been explained, but the present invention is not limited to this embodiment, but can also be used in a device that transmits and receives signals between a plurality of circuit boards. It is not limited.
この発明は２以上のように複数の電子回路基板間を電線
及びコネクタｉ用いて信号を授受する装置において、コ
ネクタの抜は状態及び電気的接触不良を検出して、装置
に要求された処置を実行できる構成にしであるから、装
置全体の安全性及び信頼性を向上させると共に、上記故
障探究を極めて短時間に行えるという効果がある。This invention relates to a device that transmits and receives signals between a plurality of electronic circuit boards using electric wires and connectors, as described above, by detecting the state and electrical contact failure when disconnecting the connector, and taking the required action on the device. Since the configuration is such that it can be executed, the safety and reliability of the entire device can be improved, and the above-mentioned troubleshooting can be carried out in an extremely short period of time.
第１図は従来の信号伝達手段を示すブロック構成図、第
２図は、この発明を適用した異常検出装置のブロック構
成図、第３図はこの発明の動作を具体的に説明するだめ
の向路構成図である。
図において、 （１１，（２１１１信号の授受を行う電
子回路基板、 ＋３１． ＋４１Ｖ１基板＋１１． ＋
２１を構成する電子回路。
（５１，＋６１はコネク門、（７）はマザーボード、
＋８１． ｔｃｊ＋はマザーボード（７）に取付けられ
たコネクタ、 ｔｌＯｌは電線、αυは異常信号伝達手
段、ａＵｔ異常検出回路であり、Ｕｌｄフォトカップラ
ー、 ＲＧ、 ＬＧはグラウンド、 ＶＬ、 ＶｎｄＤ
Ｃｔ源、 Ｒ１，Ｒ２１”［抗、 ＬＪ２． ｔｒ’ａ
ｈ論理素子、 ＣＲは発光ダイオードである。
尚１図中同一あるいは相当部分には同一符号を付して示
しである。FIG. 1 is a block configuration diagram showing a conventional signal transmission means, FIG. 2 is a block configuration diagram of an abnormality detection device to which the present invention is applied, and FIG. 3 is a direction diagram for specifically explaining the operation of the present invention. It is a road configuration diagram. In the figure, (11, (electronic circuit board that sends and receives 2111 signals, +31. +41V1 board +11. +
The electronic circuit that constitutes 21. (51, +61 is the connection gate, (7) is the motherboard,
+81. tcj+ is a connector attached to the motherboard (7), tlOl is an electric wire, αυ is an abnormality signal transmission means, aUt is an abnormality detection circuit, Uld is a photocoupler, RG, LG are ground, VL, VndD
Ct source, R1, R21'' [anti, LJ2. tr'a
h logic element, CR is a light emitting diode. In FIG. 1, the same or corresponding parts are designated by the same reference numerals.
Claims (1)
を授受する装置において、コネクタの抜けあるいは接触
不良による信号伝達系統の異常状態を検出するための信
号伝達手段と、この信号伝達手段により得られた信号に
より上記異常状態を検出する異常検出手段とを有するこ
とを特徴とする異常検出装置。In a device that transmits and receives signals between multiple electronic circuit boards using electric wires and connectors, there is provided a signal transmission means for detecting an abnormal state of a signal transmission system due to disconnection of a connector or poor contact, and a signal transmission means obtained by this signal transmission means. An abnormality detection device comprising: abnormality detection means for detecting the abnormal state based on a signal generated by the abnormality detection means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59121538A JPS61767A (en) | 1984-06-13 | 1984-06-13 | Abnormality detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59121538A JPS61767A (en) | 1984-06-13 | 1984-06-13 | Abnormality detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61767A true JPS61767A (en) | 1986-01-06 |
Family
ID=14813721
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP59121538A Pending JPS61767A (en) | 1984-06-13 | 1984-06-13 | Abnormality detector |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61767A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009264817A (en) * | 2008-04-23 | 2009-11-12 | Yokogawa Electric Corp | Diagnostic board of semiconductor testing device |
-
1984
- 1984-06-13 JP JP59121538A patent/JPS61767A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009264817A (en) * | 2008-04-23 | 2009-11-12 | Yokogawa Electric Corp | Diagnostic board of semiconductor testing device |
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