JPS6336142U - - Google Patents
Info
- Publication number
- JPS6336142U JPS6336142U JP13018286U JP13018286U JPS6336142U JP S6336142 U JPS6336142 U JP S6336142U JP 13018286 U JP13018286 U JP 13018286U JP 13018286 U JP13018286 U JP 13018286U JP S6336142 U JPS6336142 U JP S6336142U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- smoothing
- power
- output
- outage detection
- 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
- 238000009499 grossing Methods 0.000 claims description 9
- 238000001514 detection method Methods 0.000 claims description 5
- 239000003990 capacitor Substances 0.000 claims description 3
- 238000002955 isolation Methods 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims 2
- 230000007423 decrease Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 5
Landscapes
- Stand-By Power Supply Arrangements (AREA)
Description
第１図は本考案の一実施例の回路図、第２図は
同上の動作説明図、第３図は本考案の他の実施例
の要部回路図、第４図は従来例の回路図、第５図
は同上の動作説明図である。
１は第１の整流平滑回路、２は第２の整流平滑
回路、３は停電検出回路、４はリレー回路、ＡＣ
は交流電源、Ｂは蓄電池、Ｃ４，Ｃ８はコンデン
サ、ＦＬはランプ、ＩＮＶはインバータ回路、Ｑ
５はトランジスタ、Ｔ１は絶縁トランスである。
Fig. 1 is a circuit diagram of one embodiment of the present invention, Fig. 2 is an explanatory diagram of the same operation as above, Fig. 3 is a main circuit diagram of another embodiment of the present invention, and Fig. 4 is a circuit diagram of a conventional example. , FIG. 5 is an explanatory diagram of the same operation. 1 is the first rectifying and smoothing circuit, 2 is the second rectifying and smoothing circuit, 3 is the power failure detection circuit, 4 is the relay circuit, AC
is an AC power supply, B is a storage battery, C 4 and C 8 are capacitors, FL is a lamp, INV is an inverter circuit, Q
5 is a transistor, and T1 is an isolation transformer.
Claims (1)
ランスの出力側に接続された第１及び第２の整流
平滑回路と、第１の整流平滑回路の出力に接続さ
れ、第１の整流平滑回路の整流平滑出力の低下時
に停電検出出力を生じる停電検出回路と、停電検
出回路の停電検出出力にて開放されるスイツチ要
素と、前記スイツチ要素を介して第２の整流平滑
回路の整流平滑出力に接続され、通電時には交流
電源にて非常灯が点灯され、非通電時には蓄電池
にて発振駆動されるインバータ回路にて非常灯が
点灯されるように非常灯の駆動用電源を切り替え
るリレー回路とを有し、第１の整流平滑回路にお
ける平滑コンデンサの放電時定数は第２の整流平
滑回路における平滑コンデンサの放電時定数より
も小さく設定されていることを特徴とする切替回
路。 an isolation transformer connected to an AC power source, first and second rectifier smoothing circuits connected to the output side of the isolation transformer, and a rectifier connected to the output of the first rectifier smoother circuit; A power outage detection circuit that produces a power outage detection output when the smoothed output decreases, a switch element that is opened at the power outage detection output of the power outage detection circuit, and a switch element that is connected to the rectification and smoothing output of a second rectification and smoothing circuit through the switch element. , has a relay circuit that switches the power source for driving the emergency lights so that the emergency lights are turned on by an AC power supply when the power is on, and the emergency lights are turned on by an inverter circuit that is oscillated by a storage battery when the power is not on; A switching circuit characterized in that a discharging time constant of a smoothing capacitor in the first rectifying and smoothing circuit is set smaller than a discharging time constant of a smoothing capacitor in the second rectifying and smoothing circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13018286U JPS6336142U (en) | 1986-08-26 | 1986-08-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13018286U JPS6336142U (en) | 1986-08-26 | 1986-08-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6336142U true JPS6336142U (en) | 1988-03-08 |
Family
ID=31027438
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13018286U Pending JPS6336142U (en) | 1986-08-26 | 1986-08-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6336142U (en) |
-
1986
- 1986-08-26 JP JP13018286U patent/JPS6336142U/ja active Pending