JP2899030B2 - Instantaneous voltage drop compensator for AC power supply - Google Patents
Instantaneous voltage drop compensator for AC power supplyInfo
- Publication number
- JP2899030B2 JP2899030B2 JP1335103A JP33510389A JP2899030B2 JP 2899030 B2 JP2899030 B2 JP 2899030B2 JP 1335103 A JP1335103 A JP 1335103A JP 33510389 A JP33510389 A JP 33510389A JP 2899030 B2 JP2899030 B2 JP 2899030B2
- Authority
- JP
- Japan
- Prior art keywords
- power supply
- circuit
- power
- switch
- voltage
- 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 - Lifetime
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- Power Sources (AREA)
- Stand-By Power Supply Arrangements (AREA)
Description
【発明の詳細な説明】 〔産業上の利用分野〕 この発明は、商用交流電源の瞬時電圧低下を補償する
装置に関するものであり、交流入力のOA機器であって、
かつ、直流入力可能なOA機器に付帯する電源スイッチを
備えた電源接続回路へワンタッチで接続可能な直流を出
力する簡易形UPSである。DETAILED DESCRIPTION OF THE INVENTION [Industrial Application Field] The present invention relates to an apparatus for compensating for an instantaneous voltage drop of a commercial AC power supply.
It is a simple UPS that outputs DC that can be connected with a single touch to a power connection circuit that has a power switch attached to OA equipment that can input DC.
パソコン等の各種OA機器の入力電源部には、電源スイ
ッチおよび入力電源を外部に取り出すための端子を備え
た接続回路が設けられている。2. Description of the Related Art An input power supply unit of various OA devices such as a personal computer is provided with a connection circuit including a power switch and a terminal for extracting input power to the outside.
これらの各種OA機器には多数のICメモリが内蔵されて
いるが、これらのICメモリには停電や瞬時電圧低下によ
って蓄積していたデータを消失してしまう揮発性メモリ
が多く使用されている。These various OA devices have a large number of built-in IC memories, and these IC memories often use volatile memories that lose stored data due to a power failure or an instantaneous voltage drop.
このために、重要なOA機器に対しては無停電電源装置
（UPS）を設置しておき、交流電源の停電や瞬時電圧低
下を検出して上記UPSを作動させ、内蔵メモリのデータ
喪失を防いでいた。For this purpose, an uninterruptible power supply (UPS) is installed for important OA equipment, and when a power failure or instantaneous voltage drop of the AC power supply is detected, the UPS is activated to prevent data loss in the built-in memory. Was out.
上述したUPSは比較的高価格で騒音やノイズ発生の問
題もあり、かつ、常時UPSとしての電力消費もあるの
で、経済的な観点から凡ての末端OA機器にまでUPSを設
けることは困難であった。The above-mentioned UPS is relatively expensive and has the problem of noise and noise generation, and it always consumes power as a UPS.Therefore, it is difficult to provide a UPS for all terminal OA equipment from an economic viewpoint. there were.
この発明は、上述した欠点を補うためになされたもの
であって簡単な構造をもった安価で騒音やノイズの発生
がなく、しかも常時の電力損失のない交流電源の瞬時電
圧低下を補償する装置を提供することを目的とするもの
である。SUMMARY OF THE INVENTION The present invention has been made to compensate for the above-mentioned drawbacks, and has a simple structure, is inexpensive, has no noise or noise, and is capable of compensating for an instantaneous voltage drop of an AC power supply without a constant power loss. The purpose is to provide.
上記の目的を達成するために、この発明による交流電
源の瞬時電圧低下補償装置は、OA機器に設けられている
電源スイッチ９を有する電源接続回路８にワン・タッチ
で接続される小形ユニットであって、交流電源入力端子
１、整流回路11、上記電源接続回路８へ電源を供給する
ための接続端子61、上記電源接続回路８の電源スイッチ
９の出力側から直流電圧をうける接続端子71、上記接続
端子71を介して作動する電圧検出回路2,上記電圧検出回
路２によってON・OFF制御されるスイッチ4,上記スイッ
チ４によって整流後の電源回路へ接続される電圧バック
・アップ回路３によって構成したものである。In order to achieve the above object, the instantaneous voltage drop compensating device for an AC power supply according to the present invention is a small unit that is connected by one touch to a power supply connection circuit 8 having a power switch 9 provided in an OA device. A connection terminal 6 1 for supplying power to the AC power supply input terminal 1, the rectifier circuit 11, the power supply connection circuit 8, and a connection terminal 7 1 for receiving a DC voltage from the output side of the power switch 9 of the power supply connection circuit 8. , a voltage detection circuit 2 to operate via the connection terminal 71, the switch 4, the voltage back up circuit 3 connected to the power supply circuit after rectified by the switch 4 is ON-OFF controlled by the voltage detecting circuit 2 It is constituted by.
この発明による交流電源の瞬時電圧低下補償装置をOA
機器の電源接続回路８へワン・タッチで接続し、交流電
源入力端子１を介して交流電源を直流変換してOA機器10
へ供給する。The instantaneous voltage drop compensator of the AC power supply according to the present invention is OA
One-touch connection to the power supply connection circuit 8 of the equipment, the AC power supply is converted to DC through the AC power supply input terminal 1, and the OA equipment 10
Supply to
即ち、電源接続回路８のスイッチ９をONすると、OA機
器10が付勢されるばかりでなく電圧検出回路２も付勢さ
れる。That is, when the switch 9 of the power supply connection circuit 8 is turned on, not only the OA equipment 10 is activated but also the voltage detection circuit 2 is activated.
この電圧検出回路２は入力の交流電源電圧が正常であ
れば作動してスイッチ４を整流後の電源に接続する。The voltage detection circuit 2 operates when the input AC power supply voltage is normal, and connects the switch 4 to the rectified power supply.
蓄電池やコンデンサ等によって構成されている電圧バ
ック・アップ回路３は上記スイッチ４を介して整流後の
電源回路に接続されるので、交流電源電圧が瞬時的に低
下すると、自動的に蓄積されている電気エネルギーをOA
機器10へ供給する。The voltage back-up circuit 3 composed of a storage battery, a capacitor, and the like is connected to the rectified power supply circuit via the switch 4, and is automatically stored when the AC power supply voltage is instantaneously reduced. OA electrical energy
Supply to device 10.
以下、この発明に係る一実施例を第１図によって説明
する。Hereinafter, an embodiment according to the present invention will be described with reference to FIG.
第１図はこの発明による交流電源の瞬時電圧低下補償
装置の構成を示すブロック図であり、交流電源入力端子
１、交流を直流に交換する整流腕11、OA機器10の電源接
続回路８へ接続端子62を介して直流電源を供給するため
の接続端子61、上記電源接続回路８に備えられた電源ス
イッチ９の外部接続端子72を介して直流電圧を受ける接
続端子71、上記接続端子71を介して付勢される電圧検出
回路２、さらに、上記電圧検出回路２によってON・OFF
制御されるスイッチ４とこのスイッチ４のONによって整
流後の電源回路へ接続される電圧バック・アップ回路３
によって構成している。FIG. 1 is a block diagram showing a configuration of an instantaneous voltage drop compensating device for an AC power supply according to the present invention, which is connected to an AC power supply input terminal 1, a rectifying arm 11 for exchanging AC to DC, and a power supply connection circuit 8 of the OA equipment 10. connecting terminals 6 1 for supplying a DC power source via the terminal 6 2, connecting terminals 71 for receiving a DC voltage via an external connection terminal 7 and second power switch 9 provided in the power connection circuit 8, the connection voltage detecting circuit 2 is energized through the terminal 71, further, ON · OFF by the voltage detecting circuit 2
The switch 4 to be controlled and the voltage backup circuit 3 connected to the rectified power supply circuit by turning on the switch 4
It is constituted by.
この発明による交流電源の瞬時電圧低下補償装置は上
述したように簡単な構成要素よりなるコンパクトなユニ
ット５であり、ワンタッチでOA機器10の電源接続回路８
へ接続され、電源スイッチ９をONとしてOA機器10を付勢
させると、ユニット５も同時に付勢される。The instantaneous voltage drop compensator of the AC power supply according to the present invention is a compact unit 5 composed of simple components as described above, and is a one-touch power supply connection circuit 8 for the OA equipment 10.
When the power switch 9 is turned on to turn on the OA device 10, the unit 5 is also turned on at the same time.
交流電源電圧が正常であると電圧検出回路２が作動
し、電圧バック・アップ回路３はスイッチ４を介して整
流後の直流電源回路に接続される。従って、OA機器10は
この発明によるユニット５を介して常時直流電源を受け
ることができる。When the AC power supply voltage is normal, the voltage detection circuit 2 operates, and the voltage backup circuit 3 is connected via the switch 4 to the rectified DC power supply circuit. Therefore, the OA equipment 10 can always receive the DC power through the unit 5 according to the present invention.
また、上記電圧バック・アップ回路３は蓄電池やコン
デンサ等によって構成されており、OA機器10の電源スイ
ッチ９のONと共に電源回路に接続されているので、入力
の交流電源電圧が瞬間的に低下すると蓄電池やコンデン
サ等に蓄積されている電気エネルギーを整流後の電源回
路を介してOA機器10へ供給し、OA機器に内蔵されている
ICメモリのデータ消失を防止することができる。Further, the voltage backup circuit 3 is composed of a storage battery, a capacitor, and the like, and is connected to the power supply circuit when the power switch 9 of the OA device 10 is turned on. The electric energy stored in the storage battery, capacitor, etc. is supplied to the OA equipment 10 via the rectified power supply circuit and is built in the OA equipment.
Data loss in the IC memory can be prevented.
以上説明したように、この発明による交流電源の瞬時
電圧低下補償装置は、整流回路、電圧検出回路、スイッ
チ、電圧バック・アップ回路および３つの接続端子によ
って構成したコンパクトなユニットであり、かつ、OA機
器の大半は直流給電が可能であるので、OA機器付帯の電
源接続回路へ簡単に取り付けられ、利用範囲は広い。As described above, the instantaneous voltage drop compensating device for an AC power supply according to the present invention is a compact unit including a rectifier circuit, a voltage detecting circuit, a switch, a voltage backup circuit, and three connection terminals, and has an OA. Most of the equipment can be supplied with DC power, so it can be easily attached to the power supply connection circuit that accompanies OA equipment, and the range of use is wide.
ユニットに内蔵している電圧バック・アップ回路は蓄
電池やコンデンサによって構成しているので、交流電源
の瞬時電圧低下が発生すると自動的に蓄積していた電気
エネルギーをOA機器へ供給することができる。Since the voltage backup circuit built in the unit is composed of a storage battery and a capacitor, when the instantaneous voltage drop of the AC power supply occurs, the stored electric energy can be automatically supplied to the OA equipment.
一般に、商用交流電源において発生する異常現象の大
半は雷等に起因する瞬時電圧低下であるので、安価で取
扱いの簡単なコンパクトなユニットによって上述した商
用交流電源トラブルの多くを補償することが可能となる
効果がある。In general, most of the abnormal phenomena that occur in commercial AC power supplies are instantaneous voltage drops caused by lightning, etc., and it is possible to compensate for many of the above-mentioned commercial AC power supply troubles with a compact unit that is inexpensive and easy to handle. There is an effect.
第１図はこの発明による交流電源の瞬時電圧低下補償装
置の構成を示すブロック図である。 1,61，62，71，72…接続端子、２…電圧検出回路、３…
電圧バック・アップ回路、4,9…スイッチ、５…ユニッ
ト、８…接続回路、10…OA機器、11…整流回路。FIG. 1 is a block diagram showing the configuration of an instantaneous voltage drop compensating device for an AC power supply according to the present invention. 1,6 1, 6 2, 7 1, 7 2 ... connection terminal, 2 ... voltage detection circuit, 3 ...
Voltage back-up circuit, 4,9 switch, 5 unit, 8 connection circuit, 10 OA equipment, 11 rectifier circuit.
Claims (1)
えた電源接続回路（８）にワン・タッチで接続される小
形ユニットであって、 交流電源入力端子（１）を介して整流回路（11）によっ
て直流交換を行い、上記電源接続回路（８）へ電源を供
給する接続端子（61）、上記電源接続回路（８）におけ
る電源スイッチ（９）を介して直流電源を入力する接続
端子（71）、上記接続端子（71）を介して直流電圧を受
けて作動する電圧検出回路（２）、さらに、上記電圧検
出回路（２）によってON・OFF制御されるスイッチ
（４）を介して整流後の電源回路へ接続される電圧バッ
ク・アップ回路（３）によって構成したことを特徴とす
る交流電源の瞬時電圧低下補償装置。1. A small unit connected to a power supply connection circuit (8) provided with a power switch (9) attached to an OA device by one touch, comprising a rectifier circuit via an AC power input terminal (1). (11) performs a direct replacement by, the power connection circuit connecting terminal for supplying power to (8) (6 1), connected to the input DC power source through the power switch (9) in the power connection circuit (8) A terminal (7 1 ), a voltage detection circuit (2) that operates by receiving a DC voltage through the connection terminal (7 1 ), and a switch (4) that is ON / OFF controlled by the voltage detection circuit (2) A voltage back-up circuit (3) connected to the rectified power supply circuit via the DC power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1335103A JP2899030B2 (en) | 1989-12-26 | 1989-12-26 | Instantaneous voltage drop compensator for AC power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1335103A JP2899030B2 (en) | 1989-12-26 | 1989-12-26 | Instantaneous voltage drop compensator for AC power supply |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH03198629A JPH03198629A (en) | 1991-08-29 |
| JP2899030B2 true JP2899030B2 (en) | 1999-06-02 |
Family
ID=18284806
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1335103A Expired - Lifetime JP2899030B2 (en) | 1989-12-26 | 1989-12-26 | Instantaneous voltage drop compensator for AC power supply |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2899030B2 (en) |
-
1989
- 1989-12-26 JP JP1335103A patent/JP2899030B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH03198629A (en) | 1991-08-29 |
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