JPS61120242U - - Google Patents
Info
- Publication number
- JPS61120242U JPS61120242U JP299285U JP299285U JPS61120242U JP S61120242 U JPS61120242 U JP S61120242U JP 299285 U JP299285 U JP 299285U JP 299285 U JP299285 U JP 299285U JP S61120242 U JPS61120242 U JP S61120242U
- Authority
- JP
- Japan
- Prior art keywords
- power supply
- secondary battery
- supply device
- backup power
- switch element
- 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.)
- Granted
Links
- 238000010586 diagram Methods 0.000 description 3
- 239000003990 capacitor Substances 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
Landscapes
- Stand-By Power Supply Arrangements (AREA)
Description
第１図は本考案装置の一例を示す接続図、第２
図は動作波形図、第３図は従来装置の接続図であ
る。
１…主電源、２…ＣＭＯＳ ＩＣ、３…バツク
アツプ用電源、４…二次電池、５…スイツチング
用トランジスタ、６１，６２…抵抗、３１…定電
流源、３２…スイツチング回路、３３…パルスト
ランス、３４，３５…整流用ダイオード、３６…
平滑コンデンサ、３７…ツエナーダイオード。
Figure 1 is a connection diagram showing an example of the device of the present invention;
The figure is an operating waveform diagram, and FIG. 3 is a connection diagram of a conventional device. 1... Main power supply, 2... CMOS IC, 3... Backup power supply, 4... Secondary battery, 5... Switching transistor, 61, 62... Resistor, 31... Constant current source, 32... Switching circuit, 33... Pulse transformer, 34, 35... rectifier diode, 36...
Smoothing capacitor, 37... Zener diode.
Claims (1)
滑し二次電池を充電する充電回路を備えたバツク
アツプ用電源装置において、 前記二次電池に並列にツエナーダイオードとス
イツチ素子との直列回路を接続し、前記スイツチ
素子を主電源のオン，オフに対応してオン，オフ
させるようにしたことを特徴とするバツクアツプ
用電源装置。[Claims for Utility Model Registration] In a backup power supply device equipped with a charging circuit that rectifies and smoothes an alternating current signal obtained through a transformer and charges a secondary battery, a Zener diode and a switch are connected in parallel to the secondary battery. 1. A backup power supply device, characterized in that a series circuit is connected to the switch element, and the switch element is turned on and off in response to turning on and off of the main power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP299285U JPH0441739Y2 (en) | 1985-01-14 | 1985-01-14 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP299285U JPH0441739Y2 (en) | 1985-01-14 | 1985-01-14 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61120242U true JPS61120242U (en) | 1986-07-29 |
| JPH0441739Y2 JPH0441739Y2 (en) | 1992-09-30 |
Family
ID=30477188
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP299285U Expired JPH0441739Y2 (en) | 1985-01-14 | 1985-01-14 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0441739Y2 (en) |
-
1985
- 1985-01-14 JP JP299285U patent/JPH0441739Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0441739Y2 (en) | 1992-09-30 |