JPS609322A - Power source malfunction detecting circuit - Google Patents
Power source malfunction detecting circuitInfo
- Publication number
- JPS609322A JPS609322A JP58117424A JP11742483A JPS609322A JP S609322 A JPS609322 A JP S609322A JP 58117424 A JP58117424 A JP 58117424A JP 11742483 A JP11742483 A JP 11742483A JP S609322 A JPS609322 A JP S609322A
- Authority
- JP
- Japan
- Prior art keywords
- power supply
- detection circuit
- load
- converter
- power source
- 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
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【発明の詳細な説明】
（イ）発明の技術分野
本発明は電源異常検出回路に係り、特に検出回路へ給電
する電源部分に改良を施した電源異常検出回路に関する
。DETAILED DESCRIPTION OF THE INVENTION (A) Technical Field of the Invention The present invention relates to a power supply abnormality detection circuit, and more particularly to a power supply abnormality detection circuit in which a power supply portion that supplies power to the detection circuit is improved.
（ｒｌ）技術の１ｒ景
電子計算機等において、それを圧密に動作させるために
は、そこへ給電する電源出力が正規の状態に保たれてい
なければならない。このような状態は必ずしも常に維持
されているとはりらないので、その異常が発生した場合
、これを検出して）乃切な処理を採り、又その回復を検
出して自動復帰さ−Ｕる必要性がある。In order to operate a 1R (rl) technology electronic computer etc. in a compact manner, the power output that supplies power to it must be maintained in a normal state. This state cannot always be maintained, so if an abnormality occurs, it is necessary to detect it and take appropriate measures, and also to detect its recovery and automatically recover. There is sex.
このような要請は特に、搭載用電気機器、例えば搭載用
電子ｄｌ算機にめられるものである。Such requirements are particularly applicable to onboard electrical equipment, such as onboard electronic DL calculators.
しかしながら、従来のこの種検出回路４４その回路構成
」−１負荷の影響を受けてしまったり、回路の複雑化を
招く等不具合があり、なお改善すべき余地が残されてい
る。However, the conventional detection circuit 44 of this type has problems such as being affected by the load and complicating the circuit, and there is still room for improvement.
Ｑ１Ｃ来技術と問題点
従来の電源異常検出回路は第１図に示すように、交流入
力電力をＡＣ／ＤＣコンバータａで受り、その出力を検
出回ＷＰ、 ｂへ接続して構成されると共に、コンバー
タａの出力は又リレーＣにより開閉制御されるスイッチ
ｄを介してＤＣ／ ＤＣコンバータｅを経て負荷に接続
されている。Q1C Next technology and problems As shown in Fig. 1, a conventional power supply abnormality detection circuit is constructed by receiving AC input power through an AC/DC converter a, and connecting its output to detection circuits WP and b. , the output of converter a is also connected to a load via a DC/DC converter e via a switch d whose opening/closing is controlled by a relay C.
このような回路構成であるため、負荷の変動が直ちに検
出電圧の変動となって現われてしまうという欠点を有す
るばかりでなく、検出回路自体の複雑化を招くし、又そ
の検出回路を全負荷、無負荷に応じて指定する必要があ
る等複雑な制約を負わされている。This circuit configuration not only has the disadvantage that fluctuations in the load immediately appear as fluctuations in the detection voltage, but also complicates the detection circuit itself. They are subject to complex constraints such as the need to specify according to the no-load status.
仁）発明の目的
本発明は上述したような従来回路の抱えている技術的課
題に鑑みて創案されたもので、その目的は負荷変動に不
感的に検出機能を維持し得て、しかも検出回路用電源電
圧を負荷電源電圧よりも早期に安定した定常状態にして
負荷への給電停止及びその再開を自動的になすのに役立
つ電源異常検出回路を提供することにある。Object of the Invention The present invention was devised in view of the technical problems faced by the conventional circuits as described above, and its purpose is to maintain the detection function insensitively to load fluctuations, and to improve the detection circuit. It is an object of the present invention to provide a power supply abnormality detection circuit that is useful for automatically stopping and restarting power supply to a load by bringing the power supply voltage for use into a stable steady state earlier than the load power supply voltage.
（ホ）発明の構成
そして、この目的達成のため、本発明回路は電源から負
荷ヘレギュレートされた直流電圧を供給する系に検出回
ＩＩＰＩを設り、上記電源の異常を検出する電源異常検
出回路において、Ｐ、記電薪に検出回路用電源を−１−
記１１荷とは別個に接続し、該検出回路用電源の出力に
て上記検出回路を動作さ一１！るように構成したもので
ある。(E) Structure of the Invention In order to achieve this object, the circuit of the present invention includes a detection circuit IIPI in a system that supplies regulated DC voltage from the power supply to the load, and in the power supply abnormality detection circuit that detects abnormality in the power supply. , P, power supply for the detection circuit to the recording firewood -1-
Connect separately from the above-mentioned 11 components, and operate the above-mentioned detection circuit with the output of the detection circuit power supply. It is configured so that
（へ）発明の実施例
以下、添付図面を参照して本発明の実ｈテト例を説明す
る。(F) Embodiments of the Invention Practical embodiments of the invention will now be described with reference to the accompanying drawings.
第２図は本発明の一実施例を示す。この図において、ｌ
は図示しない交流電源に接続された／ｌ （： 、、／
ＤＣコンバータで、これはりレースイソチ２を＜￥でＤ
Ｃ／ ＤＣコンハーク３へ接続されている。ＩＩＣ／
ＩＪｃ ：ｒンバータ３の出力は図示しない負荷へ接続
されている。FIG. 2 shows an embodiment of the invention. In this figure, l
is connected to an AC power supply (not shown).
With a DC converter, this is the race isochi 2 at <￥D
Connected to C/DC Conharc 3. IIC/
The output of IJc:r inverter 3 is connected to a load (not shown).
４は又、図示しない交流電源（ＡＣ／１１に＝＋ンハー
タ１と同一のもの）に接続された八Ｃ／ ＤＣ＝、＋ン
ハークで、その出力は検出回路用安定化電源５及び検出
回路６へ接続されている。電新５の出力は検出回路Ｇ及
びリレ〜７へ接続されている。給出回路６は従来と同様
、線８上に電源異常信号を、ｙ綿゛ ９上に自動再スタ
ート信号を発生するようにｔｉ成されている。4 is also connected to an AC power source (not shown) (the same as AC/DC power source 1), and its output is connected to the stabilized power source 5 for the detection circuit and the detection circuit 6. connected to. The output of Denshin 5 is connected to detection circuit G and relay ~7. The feed circuit 6 is configured to generate a power failure signal on line 8 and an automatic restart signal on line 9, as in the prior art.
次に、上述構成の本発明回路の動作を説明する。Next, the operation of the circuit of the present invention having the above configuration will be explained.
図示しない交流電源の出力電圧が圧密にあるならば、そ
の電圧を受けるＡＣ／ＤＣコンノ＼−夕１の出力電圧例
えば２４〜３０ボルトはスイ・ノチ２を経てｌ）Ｃ／Ｄ
Ｃコンバータ３へ供給されて該コンノく一タ３から負荷
へ５ボルトの直流電圧を供給する。If the output voltage of an AC power source (not shown) is in a compressed state, the output voltage of the AC/DC converter 1 which receives that voltage, for example 24 to 30 volts, will pass through Sui Nochi 2 l) C/D
The voltage is supplied to the C converter 3, and the converter 3 supplies a 5 volt DC voltage to the load.
又、交流電源の出力はＡＣ／ＤＣＣ／式−タ４、検出回
路用安定化電源５を経て検出回路６へ供給されるが、線
８にも又線９にも何らの有意な信号を発生せず、上述給
電状態が継続される。Also, the output of the AC power supply is supplied to the detection circuit 6 via the AC/DCC/type converter 4 and the stabilized power supply 5 for the detection circuit, but no significant signal is generated on the line 8 or line 9. Instead, the above-mentioned power supply state continues.
そして、交流電圧に異常、例えば停電、瞬断。Also, there is an abnormality in the AC voltage, such as a power outage or momentary interruption.
過電圧が住しると、検出回Ｔａｆ６への電圧供給がＡＣ
／ＤＣＣ／式−タ４及び検出回路用安定化電源５カ・ら
行なわれていることから、負荷変動の影響を受けること
なく、それを検出することが出来、これにより負荷への
電圧供給を自動的に停止し得る。When an overvoltage occurs, the voltage supply to the detection circuit Taf6 changes to AC.
/DCC/ Equation 4 and a stabilized power supply for the detection circuit 5, it is possible to detect load fluctuations without being affected by them, and this allows the voltage supply to the load to be Can be stopped automatically.
又、交流電圧の正常値への復旧におＧ１ては、負荷電源
より早期に安定した定常状態に達し、負荷側が立ち、ヒ
がる前に準備態勢を整えることが出来る。かくして、搭
載機器で要求される自己復帰を満たし得るこ六になる。Furthermore, in restoring the AC voltage to its normal value, G1 reaches a stable steady state earlier than the load power supply, and can be ready before the load side rises or goes low. In this way, it becomes possible to satisfy the self-recovery requirements of onboard equipment.
これらのことから信頼性も高揚され得る。Reliability can also be improved from these points.
（ト）発明の効果
以上述べたように、本発明によれば、
■ 負荷変動の影響を受のることなく、検出動作を遂行
しｊηる、
■ 復１１」時に負荷側が立ち上がる前の前準備が出来
る、
■ 従っ゛Ｃ１信頼性の向上、そして自己復帰の要求も
満たし得る、等の効果が得られる。(g) Effects of the Invention As described above, according to the present invention, ■ the detection operation is carried out without being affected by load fluctuations; ■ the preparation before the load side starts up at the time of recovery (1) Therefore, the reliability of C1 can be improved and the requirement for self-recovery can be satisfied.
第１図は１メを来の電源異常検出回路例を示す図、第２
図は本発明の一実施例を示す図である。
図中、４はＡＣ／ＤＣコンバータ、５は検出回路用安定
化電源、６は検出回路である。Figure 1 is a diagram showing an example of the power supply abnormality detection circuit for the first and second
The figure shows an embodiment of the present invention. In the figure, 4 is an AC/DC converter, 5 is a stabilized power supply for the detection circuit, and 6 is a detection circuit.
Claims (1)
給する系に検出回路を設け、上記電源の異常を検出する
電源異常検出回路において、上記電源に検出回路用電源
を上記負荷とは別個に接続し、該検出回路用電源の出力
にて上記検出回路を動作させるように構成したことを特
徴とする電源異常検出回路。 （２）上記検出回路用電源は上記負荷のための第１のＡ
に／ＤＣコンバータのＡＣ入力に接続された第２のへ〇
／ＤＣコンバータと、該第２のＡＣ／ＤＣコンバータの
出力へ接続された検出回路用安定化電源とから構成さた
ごとを特徴とする特許請求の範囲第１項記載の電源異常
検出回路。[Scope of Claims] (11. In a power supply abnormality detection circuit for detecting an abnormality in the power supply, a detection circuit is provided in a system that supplies regulated DC voltage from the power supply to the load. A power supply abnormality detection circuit characterized in that the power supply for the detection circuit is connected separately and the detection circuit is operated by the output of the power supply for the detection circuit. (2) The power supply for the detection circuit is connected to the power supply for the load. 1 A
A second AC/DC converter connected to the AC input of the AC/DC converter, and a stabilized power supply for a detection circuit connected to the output of the second AC/DC converter. A power supply abnormality detection circuit according to claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58117424A JPS609322A (en) | 1983-06-29 | 1983-06-29 | Power source malfunction detecting circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58117424A JPS609322A (en) | 1983-06-29 | 1983-06-29 | Power source malfunction detecting circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS609322A true JPS609322A (en) | 1985-01-18 |
Family
ID=14711298
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP58117424A Pending JPS609322A (en) | 1983-06-29 | 1983-06-29 | Power source malfunction detecting circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS609322A (en) |
-
1983
- 1983-06-29 JP JP58117424A patent/JPS609322A/en active Pending
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