JPH02228221A - Charger of uninterruptive power supply - Google Patents
Charger of uninterruptive power supplyInfo
- Publication number
- JPH02228221A JPH02228221A JP1047639A JP4763989A JPH02228221A JP H02228221 A JPH02228221 A JP H02228221A JP 1047639 A JP1047639 A JP 1047639A JP 4763989 A JP4763989 A JP 4763989A JP H02228221 A JPH02228221 A JP H02228221A
- Authority
- JP
- Japan
- Prior art keywords
- charging
- power supply
- battery
- charger
- diode
- 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
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
Description
【発明の詳細な説明】
産業上の利用分野
この発明は、無停電電源装置に内蔵する蓄電池を簡易に
充電する充電器に関する。DETAILED DESCRIPTION OF THE INVENTION Field of the Invention This invention relates to a charger that easily charges a storage battery built into an uninterruptible power supply.
従来の技術
この種の無停電電源装置、たとえば、待機型無停電電源
装置は第２図に示すような装置である。2. Description of the Related Art This type of uninterruptible power supply, for example, a standby uninterruptible power supply, is as shown in FIG.
すなわち、商用電源１が正常の場合、商用電源１からト
ライアックなどの電子スイッチ２を介して負荷３に交流
電力が供給される。４は無停電電源装置で、商用電力１
が停電のとき電子スイッチ２をオフし、内蔵する蓄電池
５の直流をトランジスタ６１〜６４各トランジスタと並
列に設けられたダイオード６５〜６８で構成されるイン
バータ６をパルス幅変調（ＰＷＭ）させて交流に変換し
、負荷３に交流電力を供給する。。That is, when the commercial power source 1 is normal, AC power is supplied from the commercial power source 1 to the load 3 via the electronic switch 2 such as a triac. 4 is an uninterruptible power supply, and commercial power 1
When there is a power outage, the electronic switch 2 is turned off, and the DC current from the built-in storage battery 5 is converted into AC by pulse width modulation (PWM) through the inverter 6, which is composed of transistors 61 to 64 and diodes 65 to 68 installed in parallel. AC power is supplied to the load 3. .
発明が解決しようとする課題
ところで、商用電源ｌの正常時に、商用電源１を変圧器
７により所要電圧に変換し、この電圧を整流器８により
整流し、リアクトル９コンデンサ１０により平滑する。Problems to be Solved by the Invention By the way, when the commercial power supply 1 is normal, the commercial power supply 1 is converted to a required voltage by the transformer 7, this voltage is rectified by the rectifier 8, and smoothed by the reactor 9 and the capacitor 10.
平滑出力を逆流防止用ダイオード１１を介して蓄電池５
を充電する。このため、変圧器７．整流器８の大型部品
を多（しており充電器及び無停電電源装置は大型になっ
ていた。The smoothed output is passed through the backflow prevention diode 11 to the storage battery 5.
to charge. For this reason, the transformer 7. The rectifier 8 had many large parts, so the charger and uninterruptible power supply were large.
課題を解決するための手段
この発明は、制御素子とこの制御素子と並列接続された
ダイオードとにより構成されたインバー夕を有し、商用
電源から切り換えて負荷に交流電力を供給する無停電電
源装置において、インバータに直流電力を供給する蓄電
池を充電する充電器が、交流電源を半波整流する充電用
ダイオードと、平滑回路と、直流−直流変換器とにより
構成された無停電電源装置の充電器である。Means for Solving the Problems The present invention provides an uninterruptible power supply that has an inverter configured with a control element and a diode connected in parallel with the control element, and supplies alternating current power to a load by switching from a commercial power source. In this case, a charger for charging a storage battery that supplies DC power to an inverter is an uninterruptible power supply charger configured with a charging diode for half-wave rectification of AC power, a smoothing circuit, and a DC-DC converter. It is.
作 用
商用電源の正常時に、交流電源を充電用ダイオードによ
り整流し、整流を平滑回路により平滑し、平滑整流を直
流−直流変換器により蓄電池の充電に最適な電圧に変換
して、蓄電池を充電する。充電した電流は、インバータ
の制御素子と並列接続したダイオードを介して交流電源
に帰還するので、充電器の構成は簡素化され、小型化さ
れる。Operation When the commercial power supply is normal, AC power is rectified by a charging diode, the rectification is smoothed by a smoothing circuit, and the smoothed rectification is converted to the optimal voltage for charging the storage battery by a DC-DC converter to charge the storage battery. do. Since the charging current is returned to the AC power source via a diode connected in parallel with the control element of the inverter, the structure of the charger is simplified and miniaturized.
実施例
つぎに、この発明を、その実施例を示した第１図ととも
に説明する。Embodiment Next, the present invention will be explained with reference to FIG. 1 showing an embodiment thereof.
第１図において、第２図と同じ記号は同じものを示す。In FIG. 1, the same symbols as in FIG. 2 indicate the same things.
興なる点は、蓄電池の充電器を、商用電源を半波整流す
る充電用ダイオードと、整流出力を平滑するりアクドル
１３とコンデンサ１４と、平滑された直流を、蓄電池の
充電に最適な電圧に変換する直流−直流変換器１５によ
り構成している点にある。The interesting point is that the storage battery charger is equipped with a charging diode that half-wave rectifies the commercial power supply, an accelerator 13 and a capacitor 14 that smooth the rectified output, and the smoothed direct current to the optimal voltage for charging the storage battery. It consists of a DC-DC converter 15 for converting.
商用電源１が正常な場合、商用電源１を充電用ダイオー
ド１２により半波整流し、リアクトル１３とコンデンサ
１２の平滑回路により平滑し、この直流を、直流−直流
変換器１５により蓄電池の充電に最適な電圧に変換し、
変換した直流により蓄電池５を充電する。充電電流は、
インバータ６を構成するダイオード６８を介して商用電
源１に帰還する。When the commercial power supply 1 is normal, the commercial power supply 1 is half-wave rectified by the charging diode 12, smoothed by the smoothing circuit of the reactor 13 and the capacitor 12, and this DC is optimally used for charging the storage battery by the DC-DC converter 15. Convert to voltage,
The storage battery 5 is charged with the converted direct current. The charging current is
It is fed back to the commercial power supply 1 via the diode 68 that constitutes the inverter 6.
なお、商用電源１の正常時及び停電時における負荷への
交流電力の供給は従来の第２図の無停電電源装置と同じ
である。Note that the supply of AC power to the load when the commercial power source 1 is normal and during a power outage is the same as the conventional uninterruptible power supply shown in FIG.
発明の効果
以上のように、この発明の無停電電源装置によると、交
流電源の正常時において、蓄電池を充電することができ
、その構成は極めて簡易である。Effects of the Invention As described above, according to the uninterruptible power supply of the present invention, the storage battery can be charged when the AC power supply is normal, and its configuration is extremely simple.
第１図はこの発明の一実施例を示した結線図、第２図は
従来の無停電電源装置の結線図を示す。
４・・・・・・無停電電源装置、６・・・・・・インバ
ータ、６５．６６．６７．６８・・・・・・ダイオード
、１２・・・・・・充電用ダイオード、１３・・・・・
・リアクトル、１４・・・・・・コンデンサ、１５・・
・・・・直流−直流変換器。
代理人の氏名 弁理士 粟野重孝 はが１名寸−セニ！
汐なFIG. 1 is a wiring diagram showing an embodiment of the present invention, and FIG. 2 is a wiring diagram of a conventional uninterruptible power supply. 4... Uninterruptible power supply, 6... Inverter, 65.66.67.68... Diode, 12... Charging diode, 13... ...
・Reactor, 14... Capacitor, 15...
...DC-DC converter. Name of agent: Patent attorney Shigetaka Awano
tidal
Claims (1)
により構成されたインバータを有し、商用電源から切り
換えて負荷に交流電力を供給する無停電電源装置におい
て、インバータに直流電力を供給する蓄電池を充電する
充電器が、交流電源を半波整流する充電用ダイオードと
、平滑回路と、直流−直流変換器とにより構成された無
停電電源装置の充電器。In an uninterruptible power supply that has an inverter configured with a control element and a diode connected in parallel with the control element, and supplies AC power to a load by switching from a commercial power source, a storage battery that supplies DC power to the inverter is charged. A charger for an uninterruptible power supply device that includes a charging diode that half-wave rectifies AC power, a smoothing circuit, and a DC-DC converter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1047639A JPH02228221A (en) | 1989-02-28 | 1989-02-28 | Charger of uninterruptive power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1047639A JPH02228221A (en) | 1989-02-28 | 1989-02-28 | Charger of uninterruptive power supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02228221A true JPH02228221A (en) | 1990-09-11 |
Family
ID=12780811
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1047639A Pending JPH02228221A (en) | 1989-02-28 | 1989-02-28 | Charger of uninterruptive power supply |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02228221A (en) |
-
1989
- 1989-02-28 JP JP1047639A patent/JPH02228221A/en active Pending
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