JPS58645U - power circuit - Google Patents
power circuitInfo
- Publication number
- JPS58645U JPS58645U JP9302281U JP9302281U JPS58645U JP S58645 U JPS58645 U JP S58645U JP 9302281 U JP9302281 U JP 9302281U JP 9302281 U JP9302281 U JP 9302281U JP S58645 U JPS58645 U JP S58645U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- plug
- switch
- power
- power supply
- 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
- Stand-By Power Supply Arrangements (AREA)
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
第1図は電源回路の従来例を示すブロツ図、第2図は本
考案に係る電源回路の一実施例を示すブロック図、第3
図は本考案に係る電源回路の具体的実施例を示す回路図
である。
11・・・外部電源、12・・・ACプラグ、13・・
・AC検出回路、14・・・制御回路、15.18・・
・スイッチ、’16・・・整流回路、19・・・2次電
池、130−ACリレー、130a、 130a’
。
130b、 13b’−・・接点、Trl、Tr2・
・・トランジスタ。Fig. 1 is a block diagram showing a conventional example of a power supply circuit, Fig. 2 is a block diagram showing an embodiment of a power supply circuit according to the present invention, and Fig. 3 is a block diagram showing an example of a power supply circuit according to the present invention.
The figure is a circuit diagram showing a specific embodiment of the power supply circuit according to the present invention. 11...External power supply, 12...AC plug, 13...
・AC detection circuit, 14...control circuit, 15.18...
・Switch, '16... Rectifier circuit, 19... Secondary battery, 130-AC relay, 130a, 130a'
. 130b, 13b'--Contact, Trl, Tr2-
...Transistor.
Claims (1)
路によって直流電源に変換するとともに該直流電源によ
り2次電池を充電し、該2次電池によって停電時のバッ
クアップを行なう電源回路において、前記ACプラグと
前記整流回路との間に配設された第1のスイッチと、前
記2次電池の放電回路に配設された第2のスイッチと、
前記ACプラグの出力の有無を検出し、前記ACプラグ
の出力が無いとき前記第1のスイッチをオフにするAC
検出回路と、前記ACプラグの接続状態を検出し、前記
ACプラグが非接続のとき前記第2のスイッチをオフに
する制御回路とを具えたことを特徴とする電源回路。 (2)前記AC検出回路は、ACIJシレーあり、前記
制御回路は、・前記ACIJシレーb接点に接続される
実用新案登録請求の範囲第(1)項記載の電源回路。 (3)前記制御回路は、前記ACプラグを含む閉回路を
検出回路とし、該回路の開により前記第2のスイッチを
オフにする実用新案登録請求の範囲第(1)項記載の電
源回路。[Claims for Utility Model Registration] <1> AC power applied through an AC plug is converted into DC power by a rectifier circuit, and a secondary battery is charged by the DC power, and the secondary battery is used as a backup in the event of a power outage. a first switch disposed between the AC plug and the rectifier circuit; a second switch disposed in the discharge circuit of the secondary battery;
an AC that detects whether or not there is an output from the AC plug and turns off the first switch when there is no output from the AC plug;
A power supply circuit comprising: a detection circuit; and a control circuit that detects a connection state of the AC plug and turns off the second switch when the AC plug is disconnected. (2) The power supply circuit according to claim (1), wherein the AC detection circuit has an ACIJ relay, and the control circuit is connected to the ACIJ relay b contact. (3) The power supply circuit according to claim 1, wherein the control circuit uses a closed circuit including the AC plug as a detection circuit, and turns off the second switch when the circuit is opened.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9302281U JPS58645U (en) | 1981-06-25 | 1981-06-25 | power circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9302281U JPS58645U (en) | 1981-06-25 | 1981-06-25 | power circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS58645U true JPS58645U (en) | 1983-01-05 |
Family
ID=29888014
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9302281U Pending JPS58645U (en) | 1981-06-25 | 1981-06-25 | power circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58645U (en) |
-
1981
- 1981-06-25 JP JP9302281U patent/JPS58645U/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS58645U (en) | power circuit | |
| JPS612738U (en) | Power protection device for electronic equipment | |
| JPS58123656U (en) | telephone | |
| JPS6048336U (en) | charging circuit | |
| JPS5822048U (en) | Frequency drop protection device | |
| JPS5857248U (en) | Storage battery charging device | |
| JPS59179441U (en) | Uninterruptible power system | |
| JPS59167441U (en) | Overdischarge prevention breaker | |
| JPS58166250U (en) | Storage battery charging device | |
| JPS5986840U (en) | Uninterruptible power system | |
| JPS583748U (en) | voltage monitoring device | |
| JPS5923243U (en) | current transformer protection circuit | |
| JPS5981233U (en) | Protective relay output relay circuit | |
| JPS6143724U (en) | Elevator power outage detection device | |
| JPS6069588U (en) | power circuit | |
| JPS60119831U (en) | Power supply disconnected circuit | |
| JPS59145241U (en) | Storage battery charging device | |
| JPS5860399U (en) | Semiconductor memory power failure protection circuit | |
| JPS5986839U (en) | Charging control circuit | |
| JPS60147955U (en) | Uninterruptible power system | |
| JPS6039124U (en) | Constant current circuit overvoltage protection circuit | |
| JPS5956938U (en) | Overdischarge prevention circuit | |
| JPS58164359U (en) | public telephone | |
| JPS5985048U (en) | DC power supply | |
| JPS5940998U (en) | low voltage alarm device |