JPH1084667A - Power supply - Google Patents
Power supplyInfo
- Publication number
- JPH1084667A JPH1084667A JP25765796A JP25765796A JPH1084667A JP H1084667 A JPH1084667 A JP H1084667A JP 25765796 A JP25765796 A JP 25765796A JP 25765796 A JP25765796 A JP 25765796A JP H1084667 A JPH1084667 A JP H1084667A
- Authority
- JP
- Japan
- Prior art keywords
- voltage
- power supply
- ripple
- conversion means
- supply device
- 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
- Rectifiers (AREA)
- Control Of Voltage And Current In General (AREA)
- Power Conversion In General (AREA)
Abstract
(57)【要約】
【課題】簡易な構成で、電源の劣化の状態を知り、寿命
も知ることができる電源装置を提供することである。
【解決手段】交流電圧を直流電圧に変換する電圧変換手
段１と、この電圧変換手段の直流電圧のリップルを検出
してその大きさにより劣化を示す警報信号を発生するた
めのリップル検出手段２とを備えるようにした電源装置
である。
(57) [Problem] To provide a power supply device having a simple configuration and capable of knowing the state of deterioration of a power supply and of knowing the service life. A voltage conversion means for converting an AC voltage into a DC voltage, a ripple detection means for detecting a ripple of the DC voltage of the voltage conversion means and generating an alarm signal indicating deterioration according to the magnitude thereof. It is a power supply device provided with.
Description
【０００１】[0001]
【発明の属する技術分野】この発明は、交流電圧を直流
電圧として使用するための電源装置に関するものであ
る。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a power supply for using an AC voltage as a DC voltage.
【０００２】[0002]
【従来の技術】従来、各種電子装置を動作させるには、
交流の商用電源から電圧変換して直流電圧を生成し、こ
れを電子部品を含む各回路に供給して動作させる電源装
置が必要である。2. Description of the Related Art Conventionally, to operate various electronic devices,
There is a need for a power supply device that converts a voltage from an AC commercial power supply to generate a DC voltage, and supplies the DC voltage to each circuit including electronic components to operate the circuit.
【０００３】[0003]
【発明が解決しようとする課題】しかしながら、電源装
置として、多くはスイッチング電源が使用され、長時間
にわたり電源装置を動作させていると、充放電を繰り返
すコンデンサ等が劣化し、動作に不具合を生じる問題点
があった。However, a switching power supply is often used as the power supply, and if the power supply is operated for a long period of time, a capacitor or the like which repeats charging and discharging is deteriorated, causing a malfunction in the operation. There was a problem.
【０００４】この発明の目的は、以上の点に鑑み、簡易
な構成で、電源の劣化の状態を知り、寿命も知ることが
できる電源装置を提供することである。SUMMARY OF THE INVENTION In view of the above, an object of the present invention is to provide a power supply device having a simple configuration and capable of knowing the state of deterioration of a power supply and knowing the life of the power supply.
【０００５】[0005]
【課題を解決するための手段】この発明は、交流電圧を
直流電圧に変換する電圧変換手段と、この電圧変換手段
の直流電圧のリップルを検出してその大きさにより劣化
を示す警報信号を発生するためのリップル検出手段とを
備えるようにした電源装置である。According to the present invention, there is provided a voltage conversion means for converting an AC voltage into a DC voltage, and detecting a ripple of the DC voltage of the voltage conversion means and generating an alarm signal indicating deterioration according to the magnitude of the ripple. And a ripple detection unit for performing the operation.
【０００６】[0006]
【発明の実施の形態】図１は、この発明の一実施例を示
す構成説明図である。図１において、１は、ＡＣ１００
Ｖのような交流電圧をＤＣ２４Ｖのような所定の直流電
圧に変換するスイッチング電源のような電圧変換手段
（電源装置）で、その直流電圧出力は、電子部品を含む
回路Ｃ又は用途構成により電源ラインＰに供給されて各
種装置に電源供給されるとともに、リップル検出手段２
に供給される。このスイッチング電源のような電圧変換
手段１は、例えば交流電圧をコンデンサ等で平滑して直
流電圧とした後に、スイッチングして交流化してトラン
ス等を介して出力し、これを再びコンデンサ等で直流化
して所定電圧の直流電源とするようなものである。そし
て、リップル検出手段２はこのスイッチング電源のよう
な電圧変換手段１の直流電圧に含まれるリップルを検出
して、そのリップルの大きさが所定のレベルを越えたか
どうか判別し、リップルの大きさが所定のレベルを越え
たとき異常と判断し、劣化を示す警報信号を発生し、寿
命が来たことを報知する。このリップル検出手段２は、
警報信号を外部へ接点出力信号として出力しランプを点
灯させたりブザー等で警報したり、又はバスＬへのデー
タ出力信号として警報を発生させることができる。DESCRIPTION OF THE PREFERRED EMBODIMENTS FIG. 1 is an explanatory diagram showing the configuration of an embodiment of the present invention. In FIG. 1, 1 is AC100
A voltage conversion means (power supply device) such as a switching power supply for converting an AC voltage such as V to a predetermined DC voltage such as 24 V DC. P to be supplied to various devices, and a ripple detecting means 2
Supplied to The voltage conversion means 1 such as a switching power supply, for example, smoothes an AC voltage with a capacitor or the like to convert it into a DC voltage, then switches the AC voltage, outputs the AC voltage via a transformer or the like, and converts the DC voltage again with a capacitor or the like. And a DC power supply of a predetermined voltage. Then, the ripple detecting means 2 detects a ripple included in the DC voltage of the voltage converting means 1 such as the switching power supply, and determines whether or not the magnitude of the ripple exceeds a predetermined level. When the level exceeds a predetermined level, it is determined that there is an abnormality, an alarm signal indicating deterioration is generated, and the end of the life is notified. This ripple detecting means 2
An alarm signal can be output to the outside as a contact output signal to turn on a lamp, issue an alarm with a buzzer, or generate an alarm as a data output signal to the bus L.
【０００７】又、電源ラインＰには、データの入力又は
出力を行う入出力装置等の各種装置３…、バスＬ他から
のデータ等の表示を行う操作表示装置４等が接続されて
いる。操作表示装置４は、リップル検出手段２がバスＬ
に発生した警報を示すデータ信号を受信し、電圧変換手
段（電源装置）１の劣化の状態、寿命を認識し、表示器
に表示させたりして、的確に電源の劣化状態、寿命を予
測でき、交換、保守の時期が分かり、的確な処置をとる
ことができる。The power supply line P is connected to various devices 3 such as input / output devices for inputting and outputting data, an operation display device 4 for displaying data and the like from the bus L and the like. The operation display device 4 has a configuration in which the ripple detection means 2 has a bus L
The data signal indicating the alarm that has occurred is received, the state of deterioration and the life of the voltage conversion means (power supply device) 1 are recognized, and the deterioration state and the life of the power supply can be accurately predicted by displaying them on a display. The timing of replacement and maintenance can be known, and appropriate measures can be taken.
【０００８】なお、以上の例ではリップル検出手段２
に、リップルの大きさの検出機能とそれに基づく警報信
号発生機能をもたせたが、別に警報発生手段を設けるよ
うにしてもよい。In the above example, the ripple detecting means 2
Although the function of detecting the magnitude of the ripple and the function of generating an alarm signal based on the function are provided, an alarm generating means may be separately provided.
【０００９】[0009]
【発明の効果】以上述べたように、この発明は、交流電
圧を直流電圧に変換する電圧変換手段と、この電圧変換
手段の直流電圧のリップルを検出してその大きさにより
劣化を示す警報信号を発生するためのリップル検出手段
とを備えるようにした電源装置である。このため、簡易
な構成で、スイッチング電源のような電源装置の劣化の
状態をいちはやく知ることができ、その寿命も予測で
き、保守、交換等も的確にできる。又、接点信号又はバ
スへのデータ出力信号として前記警報信号を発生するこ
と、いっそうオペレータに対し、容易に劣化、寿命警報
を認識させることができる。As described above, the present invention provides a voltage conversion means for converting an AC voltage to a DC voltage, and a warning signal indicating deterioration of the DC voltage by detecting the ripple of the DC voltage of the voltage conversion means. And a ripple detecting means for generating the ripple. Therefore, with a simple configuration, the state of deterioration of a power supply device such as a switching power supply can be quickly known, its life can be predicted, and maintenance and replacement can be performed accurately. In addition, the generation of the alarm signal as a contact signal or a data output signal to the bus allows the operator to more easily recognize the deterioration and life warning.
【図１】この発明の一実施例を示す構成説明図である。FIG. 1 is a configuration explanatory view showing one embodiment of the present invention.
１ 電圧変換手段 ２ リップル検出手段 ３ 各種装置 ４ 操作表示装置 Ｌ バス DESCRIPTION OF SYMBOLS 1 Voltage conversion means 2 Ripple detection means 3 Various devices 4 Operation display device L bus
Claims (2)
段と、この電圧変換手段の直流電圧のリップルを検出し
てその大きさにより劣化を示す警報信号を発生するため
のリップル検出手段とを備えたことを特徴とする電源装
置。A voltage conversion means for converting an AC voltage to a DC voltage, and a ripple detection means for detecting a ripple of the DC voltage of the voltage conversion means and generating an alarm signal indicating deterioration according to the magnitude of the DC voltage. A power supply device comprising:
はバスへのデータ出力信号として前記警報信号を発生す
ることを特徴とする請求項１記載の電源装置。2. The power supply device according to claim 1, wherein said ripple detecting means generates said alarm signal as a contact output signal or a data output signal to a bus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP25765796A JPH1084667A (en) | 1996-09-06 | 1996-09-06 | Power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP25765796A JPH1084667A (en) | 1996-09-06 | 1996-09-06 | Power supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH1084667A true JPH1084667A (en) | 1998-03-31 |
Family
ID=17309302
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP25765796A Pending JPH1084667A (en) | 1996-09-06 | 1996-09-06 | Power supply |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH1084667A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008072639A1 (en) * | 2006-12-13 | 2008-06-19 | Advantest Corporation | Testing apparatus, testing method and connecting section |
-
1996
- 1996-09-06 JP JP25765796A patent/JPH1084667A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008072639A1 (en) * | 2006-12-13 | 2008-06-19 | Advantest Corporation | Testing apparatus, testing method and connecting section |
| JP5066100B2 (en) * | 2006-12-13 | 2012-11-07 | 株式会社アドバンテスト | Test apparatus, test method, and connection part |
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Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20041101 |
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