JPS6425846U - - Google Patents
Info
- Publication number
- JPS6425846U JPS6425846U JP12035787U JP12035787U JPS6425846U JP S6425846 U JPS6425846 U JP S6425846U JP 12035787 U JP12035787 U JP 12035787U JP 12035787 U JP12035787 U JP 12035787U JP S6425846 U JPS6425846 U JP S6425846U
- Authority
- JP
- Japan
- Prior art keywords
- cathode
- grounded
- constant voltage
- voltage control
- rechargeable battery
- 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
- 230000002265 prevention Effects 0.000 claims 3
- 238000010586 diagram Methods 0.000 description 3
Description
第１図と第２図は本考案による充電回路内蔵電
源システムの一実施例で、第１図はＤＣプラグが
挿入されていないときの回路図、第２図はＤＣプ
ラグが挿入されているときの回路図である。第３
図は、第１図および第２図で使用している定電圧
制御回路の一例を示す回路図である。
１……ＤＣジヤツク、２……定電圧制御回路、
３……充電式電池、４……負荷回路、５……ダイ
オード、６……ダイオード、７……スイツチ、８
……ダイオード、９……抵抗、１０……ＤＣプラ
グ、１１……ＰＮＰトランジスタ、１２……抵抗
、１３……コンパレータ、１４……抵抗、１５…
…抵抗、１６……抵抗、１７……基準電圧。
Figures 1 and 2 show an example of the power supply system with a built-in charging circuit according to the present invention. Figure 1 is a circuit diagram when a DC plug is not inserted, and Figure 2 is a circuit diagram when a DC plug is inserted. FIG. Third
This figure is a circuit diagram showing an example of the constant voltage control circuit used in FIGS. 1 and 2. 1...DC jack, 2...constant voltage control circuit,
3... Rechargeable battery, 4... Load circuit, 5... Diode, 6... Diode, 7... Switch, 8
... Diode, 9 ... Resistor, 10 ... DC plug, 11 ... PNP transistor, 12 ... Resistor, 13 ... Comparator, 14 ... Resistor, 15 ...
...Resistance, 16...Resistance, 17...Reference voltage.
Claims (1)
地し、前記ＤＣジヤツクの陽極側を逆接続防止用
ダイオードを介して定電圧制御回路の入力端子に
接続し、前記定電圧制御回路の接地端子を接地し
、前記定電圧制御回路の出力端子を漏れ電流防止
用ダイオードを介して充電式電池の陽極に接続し
、この充電式電池の陽極をスイツチを介して負荷
回路に接続し、前記負荷回路の接地端子を接地し
、前記スイツチと前記負荷回路との接続点に前記
定電圧制御回路の帰還端子を接続し、前記充電式
電池の陰極を放電防止用ダイオードおよび充電電
流決定用抵抗の直列回路を介して接地し、前記充
電式電池の陰極にＤＣジヤツクの陰極と接触して
おり、ＤＣプラグの挿抜によつて陰極とオン、オ
フする電極を接続したことを特徴とする充電回路
内蔵電源システム。 The cathode side of a DC jack for connecting an external DC power supply is grounded, the anode side of the DC jack is connected to the input terminal of a constant voltage control circuit via a reverse connection prevention diode, and the ground terminal of the constant voltage control circuit is grounded. The output terminal of the constant voltage control circuit is connected to the anode of a rechargeable battery via a leakage current prevention diode, the anode of the rechargeable battery is connected to a load circuit via a switch, and the load circuit is grounded. The terminal is grounded, the feedback terminal of the constant voltage control circuit is connected to the connection point between the switch and the load circuit, and the cathode of the rechargeable battery is connected through a series circuit of a discharge prevention diode and a charging current determining resistor. A power supply system with a built-in charging circuit, characterized in that the cathode of the rechargeable battery is connected to the cathode of the DC jack, and the cathode is connected to an electrode that is turned on and off by inserting and removing the DC plug.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12035787U JPS6425846U (en) | 1987-08-07 | 1987-08-07 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12035787U JPS6425846U (en) | 1987-08-07 | 1987-08-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6425846U true JPS6425846U (en) | 1989-02-14 |
Family
ID=31366392
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12035787U Pending JPS6425846U (en) | 1987-08-07 | 1987-08-07 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6425846U (en) |
-
1987
- 1987-08-07 JP JP12035787U patent/JPS6425846U/ja active Pending