JPS61199465A - No-break power source - Google Patents
No-break power sourceInfo
- Publication number
- JPS61199465A JPS61199465A JP60038426A JP3842685A JPS61199465A JP S61199465 A JPS61199465 A JP S61199465A JP 60038426 A JP60038426 A JP 60038426A JP 3842685 A JP3842685 A JP 3842685A JP S61199465 A JPS61199465 A JP S61199465A
- Authority
- JP
- Japan
- Prior art keywords
- chopper
- control
- power source
- voltage
- output
- 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
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M3/00—Conversion of dc power input into dc power output
- H02M3/22—Conversion of dc power input into dc power output with intermediate conversion into ac
- H02M3/24—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters
- H02M3/28—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Stand-By Power Supply Arrangements (AREA)
- Dc-Dc Converters (AREA)
Abstract
Description
【発明の詳細な説明】
Ａ、産業上の利用分野
本発明は、高周波で動作するスイッチングレギュレータ
と蓄電池全組合せた無停電電源装置に関する。DETAILED DESCRIPTION OF THE INVENTION A. Field of Industrial Application The present invention relates to an uninterruptible power supply device that is a complete combination of a switching regulator and a storage battery that operate at high frequencies.
Ｂ１発明の概要
本発明は、チョッパ回路によって降圧した直流電力を得
、この直流及び浮動充電される蓄電池から負荷に給電す
る直流を得るスイッチングレギュレータを持つ無停電電
源装置において、チョッパ回路の制御回路に必要な制御
電源をチョッパ回路の直流入力から得る制御電源の出力
と蓄電池の直流出力とのうち通常運転では蓄電池側出力
を選択する選択回路を設けることによシ、チョッパ回路
の制御電源での発熱量を低減できるようにしたものであ
る。B1 Overview of the Invention The present invention provides an uninterruptible power supply having a switching regulator that obtains step-down DC power through a chopper circuit and supplies DC power to a load from this DC power and a storage battery that is floatingly charged. The necessary control power is obtained from the DC input of the chopper circuit.By providing a selection circuit that selects the storage battery side output during normal operation between the output of the control power supply and the DC output of the storage battery, heat generation in the control power supply of the chopper circuit can be reduced. This allows the amount to be reduced.
Ｃ３従来の技術
第２図は従来の無停電電源装置を示す。１００ｖ又は２
００ｖの商用電源１１からの交流はスイッチ１２を介し
て整流回路１６で直流に変換され、コンデンサ１４で平
滑される。チョッパ用制御電源１５はコンデンサ１４の
電圧からトランジスタ１５１と抵抗１５２とツェナーダ
イオード１５６による定電圧回路構成によって安定化し
た制御電圧金得る。コンデンサ１４の直流ニ電界効果ト
ランジスタ１６′ｆｔ通してチョッパ出力として取出さ
れ、そのオン・オフ制御にはチョッパ制御回路１７によ
って行われる。C3 Prior Art FIG. 2 shows a conventional uninterruptible power supply. 100v or 2
AC from a commercial power supply 11 of 00V is converted to DC by a rectifier circuit 16 via a switch 12, and smoothed by a capacitor 14. The chopper control power supply 15 obtains a stabilized control voltage from the voltage of the capacitor 14 through a constant voltage circuit configuration including a transistor 151, a resistor 152, and a Zener diode 156. The output is taken out as a chopper output through the DC field effect transistor 16'ft of the capacitor 14, and its on/off control is performed by the chopper control circuit 17.
トランジスタ１６のチョッパ出力は、リアクトル１８と
７ライホイールダイオード１９と平滑用コンデンサ２０
によって直流電圧に変換される。The chopper output of the transistor 16 is connected to a reactor 18, a 7-light wheel diode 19, and a smoothing capacitor 20.
is converted to DC voltage by
コンデンサ２０の直流は蓄電池２１全浮動充電すると共
に直流−交流コンバータ主回路２２の直流入力とされる
。コンバータ主回路２２はコンバータ制御回路２６によ
ってスイッチング制御され、その出力側は絶縁トランス
２５を介して整流器２６の交流入力側に接続され、整流
器２６に直流出力として取出される。整流器２６の出力
はりアクドル２７を介して平滑用コンデンサ２８で平滑
された直流にされる。この直流は電圧検出回路２９で検
出され、コンバータ制御回路２６へのフィードバック量
とされる。６０は負荷である。The DC current from the capacitor 20 charges the entire storage battery 21 floatingly and is also used as a DC input to the DC-AC converter main circuit 22. The switching of the converter main circuit 22 is controlled by a converter control circuit 26, and its output side is connected to the AC input side of a rectifier 26 via an isolation transformer 25, and is taken out as a DC output to the rectifier 26. The output of the rectifier 26 is converted into direct current through an axle 27 and smoothed by a smoothing capacitor 28 . This direct current is detected by voltage detection circuit 29 and is used as a feedback amount to converter control circuit 26 . 60 is a load.
こうした構成において、１５〜２０はチョッパ回路にな
って商用電源１１から得る１３０Ｖ又は２６０Ｖの整流
電圧をチョッパ動作によって降圧した直流電圧を得る。In such a configuration, 15 to 20 form a chopper circuit to obtain a DC voltage obtained by stepping down the rectified voltage of 130V or 260V obtained from the commercial power supply 11 by chopper operation.
このために、制御回路１７にはコンデンサ２０の電圧を
フィートノくツク量としてトランジス、り１６の導通率
を制御する。ｔｉ、チョッパ用制御電源１５から制御動
作に必要な直流電圧が与えられる。チヨ＋７ ハ回路の
出力はコンデ／す２０で平滑された電圧とされて蓄電池
２１の浮動充電回路とコンバータ側の直流電源になる。For this purpose, the control circuit 17 controls the conductivity of the transistor 16 by using the voltage of the capacitor 20 as a voltage drop. ti, a DC voltage necessary for control operation is supplied from the chopper control power supply 15. The output of the +7 +7 circuit is converted into a voltage smoothed by a converter 20 and becomes a DC power source for the floating charging circuit of the storage battery 21 and the converter side.
２２．２３．２５〜２９はスイッチングレギュレータに
なってコンデンサ２８の直流出力には負荷６０に供給す
る所定電圧を得る。このために電圧検出回路２９の検出
電圧をフィートノく・・ツク量として制御回路２６によ
るコンノ（−クキ回路２２の制御角の調整を行う。制御
回路２６に必要な直流電源はチョッパ回路の出力電圧（
蓄電池２１の電圧）として供給される。22, 23, and 25 to 29 are switching regulators, and a predetermined voltage to be supplied to the load 60 is obtained from the DC output of the capacitor 28. For this purpose, the control angle of the control circuit 22 is adjusted by the control circuit 26 by using the voltage detected by the voltage detection circuit 29 as a foot-cut amount.The DC power supply required for the control circuit 26 is the output voltage of the chopper circuit. (
voltage of the storage battery 21).
そして、商用電源１１の停電にはチョヅノく回路の動作
は停止するが、スイッチングレギュレータは蓄電池２１
からの電力で引き続き動作して負荷６０への給電を継続
する無停電動作を得る。In the event of a power outage in the commercial power supply 11, the operation of the circuit will stop, but the switching regulator
The uninterruptible operation is achieved by continuing to operate using the power from the main unit and continuing to supply power to the load 60.
Ｄ０発明が解決しようとする問題点
従来の電源装置では、チョッパ制御回路１７に必要な制
御電源は、整流器１６の整流出力をツェナーダイオード
１５６と抵抗１５２で該ダイオード１５３のツェナー電
圧になる基準電圧を作シ出し、この基準寛圧會トランジ
ヌタ１５１０ベース電圧としてそのエミッタに制御電圧
を得るようにしている。ここで、制御回路１７は一般に
ＩＣ化された１つの部品とされる。D0 Problems to be Solved by the Invention In the conventional power supply device, the control power necessary for the chopper control circuit 17 is to convert the rectified output of the rectifier 16 into a reference voltage that becomes the Zener voltage of the diode 153 using a Zener diode 156 and a resistor 152. A control voltage is obtained at the emitter of this reference voltage tolerance transistor 1510 as a base voltage. Here, the control circuit 17 is generally a single IC component.
このようなＩＣ化された制御回路１７は必要な電源電圧
が通常１５Ｖ以下であり、商用電源１１の電圧（１００
Ｖ、２００Ｖ）による整流器１６の出力電圧１３０Ｖ、
２６０Ｖから制御電源１５が両室圧の差分（１３０−１
５，２６０−１５）を高い電圧負担をすることになる。Such an IC-based control circuit 17 requires a power supply voltage of usually 15V or less, and the voltage of the commercial power supply 11 (100V or less).
V, 200V), the output voltage of the rectifier 16 is 130V,
From 260V, the control power supply 15 calculates the difference between the pressures in both chambers (130-1
5,260-15), resulting in a high voltage burden.
このため、制御電源１５のトランジスタ１５１にはかな
りの電力損失が発生し、無停電電源装置としての効率低
下になるし、トランジスタ１５の放熱回路の必要性及び
装置温度上昇の要因となる。Therefore, a considerable power loss occurs in the transistor 151 of the control power supply 15, which reduces the efficiency of the uninterruptible power supply, and causes the need for a heat dissipation circuit for the transistor 15 and an increase in the temperature of the device.
Ｅ０問題点全解決するだめの手段と作用本発明は上記問
題点に鑑み、チョッパ回路の直流入力からチョッパ回路
の制御回路に必要な電源電圧を得るチョッパ制御電源と
、この制御電源の電圧と蓄電池を電源として通常運転で
該制御電源の電圧よｐも高くされた電圧とのうち一方の
高い方の電圧を選択してチョッパ回路の制御回路の制御
電源として出力する選択回路とを備え、通常時には蓄電
池からの直流電力でチョッパ制御回路の制御電源を得、
始動時等の蓄電池出力低下にチョッパ制御電源側から制
御電圧を供給するようにしたものである。In view of the above-mentioned problems, the present invention provides a chopper control power supply that obtains the power supply voltage necessary for the control circuit of the chopper circuit from the DC input of the chopper circuit, and the voltage of this control power supply and a storage battery. and a selection circuit that selects the higher voltage of the control power supply and outputs it as the control power supply of the control circuit of the chopper circuit during normal operation. Obtain control power for the chopper control circuit with DC power from the storage battery,
A control voltage is supplied from the chopper control power supply side when the storage battery output decreases at the time of starting, etc.
Ｆ、実施例
第１図は本発明の一実施例を示す装置構成図である。同
図が第２図と異なる部分は、チョッパ制御電源１５の出
力とチヨ・ツバ出力側のコンデンサ２０（蓄電池２１）
の出力とをダイオード６１゜６２の選択回路を介して制
御回路１７及び２６に直流電源として供給する構成にし
た点にある。即ち、チロツバ制御電源１５の出力にアノ
ードが接続されたダイオード６１と、コンデンサ２０の
高圧側にアノードが接続されたダイオード６２との両ダ
イオード３１．３２のカソードを共通接続して制御回路
１７．２３の電源入力としている。F. Embodiment FIG. 1 is an apparatus configuration diagram showing an embodiment of the present invention. The difference between this figure and FIG. 2 is the output of the chopper control power supply 15 and the capacitor 20 (storage battery 21) on the output side of the chopper.
The output of the control circuit 17 and 26 is supplied as a DC power source to the control circuits 17 and 26 through a selection circuit of diodes 61 and 62. That is, a control circuit 17.23 is constructed by connecting the cathodes of both diodes 31 and 32 in common: a diode 61 whose anode is connected to the output of the Chirotsuba control power supply 15, and a diode 62 whose anode is connected to the high voltage side of the capacitor 20. It is used as a power input.
ここで、蓄電池２１の浮動充電電圧を制御回路１７及び
２６の必要な電源電圧にほぼ近い値に選定している。ま
だ、制御電源１５の出力電圧が蓄電池２１の電圧よシも
わずかに低くしている。Here, the floating charging voltage of the storage battery 21 is selected to be approximately close to the power supply voltage required by the control circuits 17 and 26. The output voltage of the control power source 15 is still slightly lower than the voltage of the storage battery 21.
こうした構成において、通常運転時には蓄電池２１の電
圧が制御電源１５の出力電圧よりも高いだめ、ダイオー
ド６２が導通、ダイオード３１が不導通になって制御回
路１７．２３には蓄電池２１側から制御電源を供給する
。そして、蓄電池２１の電圧が低下しているときなどの
始動時には、ダイオード３１が導通、ダイオード６２が
不導通になって制御電源１５から供給する。In this configuration, during normal operation, the voltage of the storage battery 21 is higher than the output voltage of the control power source 15, so the diode 62 becomes conductive and the diode 31 becomes non-conductive, so that the control circuit 17.23 receives the control power source from the storage battery 21 side. supply Then, at the time of starting when the voltage of the storage battery 21 is low, etc., the diode 31 becomes conductive, the diode 62 becomes non-conductive, and the power is supplied from the control power source 15.
従って、制御電源１５には始動時又は蓄電池２１の電圧
不足など比較的短時間のみ電源動作する短時間定格にな
り、通常運転時にはトランジスタ１５１がカットオフ状
態になって該トランジスタ１５１に電力損失、発熱は発
生しない。即ち、制御を源１５は短時間定格に設計され
てその機能を充分に発揮でき、トランジスタ１５１の放
熱手段等を必要としないし、制御電源の発熱による装置
の温度上昇も殆んどない。Therefore, the control power supply 15 has a short-time rating that operates only for a relatively short period of time, such as when starting or when the voltage of the storage battery 21 is insufficient, and during normal operation, the transistor 151 is cut off, causing power loss and heat generation in the transistor 151. does not occur. That is, the control source 15 is designed to be rated for a short period of time so that it can fully perform its functions, does not require heat dissipation means for the transistor 151, and there is almost no rise in temperature of the device due to heat generated by the control power source.
なお、実施例では蓄電池電圧を制御回路１７゜２６の電
源電圧にほぼ近い電圧とする場合を示すが、これは蓄電
池２１に中間端子を持つもの及び安定化電源を介して該
中間端子からダイオード３２側に引出す構成にすれば上
記制約は解消される。In the embodiment, a case is shown in which the storage battery voltage is approximately close to the power supply voltage of the control circuit 17.26, but in this case, the storage battery 21 has an intermediate terminal and the diode 32 is The above-mentioned restrictions can be resolved by adopting a configuration in which it is pulled out to the side.
また、制御回路１７と２６は同じ制御電源電圧にするに
限らず、該電圧が異なる場合には夫々個別のダイオード
選択回路及び制御電源１５を設けることで実現される。Further, the control circuits 17 and 26 are not limited to using the same control power supply voltage; if the voltages are different, this can be realized by providing separate diode selection circuits and control power supplies 15, respectively.
また、チョッパ回路の入力は交流電源から整流で得る場
合に限らず、既設の直流電源が存在する場合には当該直
流電源を利用できる。Moreover, the input of the chopper circuit is not limited to the case where it is obtained by rectification from an AC power source, but if an existing DC power source exists, the DC power source can be used.
また、制御回路２６の電源として制御回路１７と共通に
せず、蓄電池２１から直接に取出す構成とし、ダイオー
ド３１．３２の選択機能を制御回路１７専用に使うもの
でも良い。Alternatively, the power supply for the control circuit 26 may not be shared with the control circuit 17, but may be taken out directly from the storage battery 21, and the selection function of the diodes 31 and 32 may be used exclusively for the control circuit 17.
Ｇ０発明の効果
以上のとおり本発明によれば、チヨ・ンハ制御回路の制
御電源に蓄電池電力とチョッパ回路の直流入力側から得
る制御電源出力とを選択可能とし、通常時は蓄電池側か
ら供給する構成にしたため、チョ−＋）ハ回路用制御電
源での発熱量を極めて少なくした運転全可能とする効果
がある。G0 Effects of the Invention As described above, according to the present invention, it is possible to select the storage battery power and the control power output obtained from the DC input side of the chopper circuit as the control power source for the control circuit, and the control power output obtained from the DC input side of the chopper circuit is normally supplied from the storage battery side. Because of this configuration, there is an effect that full operation is possible with the amount of heat generated by the control power supply for the C-+)-C circuit being extremely reduced.
【図面の簡単な説明】
第１図は本発明の一夾施例全示す装置構成図、第２図は
従来の装置構成図である。
１１・・・商用電源、１６．２６・・・整流器、１５・
・・チョッパ制御電源、１７川チョッパ制御回路、２１
・・・蓄ｔｔｌｅ、２２・・・コンバータ、２６・・・
コンバータ制御回路、２９・・・電圧検出回路、３ｏ・
・・負荷、３１．３２・・・ダイオード。BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a block diagram of an apparatus showing one embodiment of the present invention, and FIG. 2 is a block diagram of a conventional apparatus. 11... Commercial power supply, 16.26... Rectifier, 15.
...Chopper control power supply, 17 River chopper control circuit, 21
...Storage ttle, 22...Converter, 26...
Converter control circuit, 29... Voltage detection circuit, 3o.
...Load, 31.32...Diode.
Claims (1)
チョッパ回路の出力で浮動充電される蓄電池と、前記チ
ョッパ回路の出力及び蓄電池出力から負荷に所定電圧で
給電するスイッチングレギュレータとを備える無停電電
源装置において、前記チョッパ回路の直流入力から該チ
ョッパ回路の制御回路に必要な電源電圧を得るチョッパ
制御電源と、この制御電源の電圧と前記蓄電池を電源と
して通常運転で該制御電源の電圧よりも高くされた電圧
とのうち一方の高い方の電圧を選択して前記チョッパ回
路の制御回路の制御電源として出力する選択回路とを備
えたことを特徴とする無停電電源装置。An uninterruptible power supply device comprising: a chopper circuit that steps down DC input to a predetermined voltage; a storage battery that is floatingly charged by the output of the chopper circuit; and a switching regulator that supplies power at a predetermined voltage to a load from the output of the chopper circuit and the output of the storage battery. A chopper control power supply that obtains a power supply voltage necessary for the control circuit of the chopper circuit from a DC input of the chopper circuit, and a voltage of the control power supply and the storage battery that is used as a power supply and is higher than the voltage of the control power supply in normal operation. an uninterruptible power supply device comprising: a selection circuit that selects one of the higher voltages and outputs it as a control power source for a control circuit of the chopper circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60038426A JPS61199465A (en) | 1985-02-27 | 1985-02-27 | No-break power source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60038426A JPS61199465A (en) | 1985-02-27 | 1985-02-27 | No-break power source |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61199465A true JPS61199465A (en) | 1986-09-03 |
Family
ID=12524983
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP60038426A Pending JPS61199465A (en) | 1985-02-27 | 1985-02-27 | No-break power source |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61199465A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6392263A (en) * | 1986-10-03 | 1988-04-22 | Fuji Electric Co Ltd | Portable type dc high-voltage power source |
| JP2008289353A (en) * | 2007-05-16 | 2008-11-27 | Felix Communication & Information | Ac/dc converter, and ac/dc conversion method using it |
| JP2011097743A (en) * | 2009-10-29 | 2011-05-12 | Oki Data Corp | Dc-dc power supply device and image forming apparatus |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57142146A (en) * | 1981-02-24 | 1982-09-02 | Japan Storage Battery Co Ltd | No-break power source |
| JPS58159662A (en) * | 1982-03-16 | 1983-09-22 | Nec Corp | Switching regulator |
-
1985
- 1985-02-27 JP JP60038426A patent/JPS61199465A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57142146A (en) * | 1981-02-24 | 1982-09-02 | Japan Storage Battery Co Ltd | No-break power source |
| JPS58159662A (en) * | 1982-03-16 | 1983-09-22 | Nec Corp | Switching regulator |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6392263A (en) * | 1986-10-03 | 1988-04-22 | Fuji Electric Co Ltd | Portable type dc high-voltage power source |
| JP2008289353A (en) * | 2007-05-16 | 2008-11-27 | Felix Communication & Information | Ac/dc converter, and ac/dc conversion method using it |
| JP2011097743A (en) * | 2009-10-29 | 2011-05-12 | Oki Data Corp | Dc-dc power supply device and image forming apparatus |
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