JPH023145U - - Google Patents
Info
- Publication number
- JPH023145U JPH023145U JP8101288U JP8101288U JPH023145U JP H023145 U JPH023145 U JP H023145U JP 8101288 U JP8101288 U JP 8101288U JP 8101288 U JP8101288 U JP 8101288U JP H023145 U JPH023145 U JP H023145U
- Authority
- JP
- Japan
- Prior art keywords
- transistor
- constant current
- circuit
- resistor
- current charging
- 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
- 239000003990 capacitor Substances 0.000 claims description 4
- 238000010277 constant-current charging Methods 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 5
- 238000007600 charging Methods 0.000 description 3
Description
第１図は本考案に係る定電流充電回路の回路図
、第２図は第１図における直流電圧、コンデンサ
の端子電圧及び充電電圧の関係を示す波形図、第
３図は交流電圧と充電電流との関係を示す特性図
、第４図は従来の定電流充電回路の回路図、第５
図はその回路の直流電圧、コンデンサの端子電圧
及び充電電圧の関係を示す波形図である。
１…交流電源、ＲＣ…整流回路、ＺＤ…ツエナ
ーダイオード、Ｑ１，Ｑ２…トランジスタ、Ｃ…
コンデンサ、Ｒ１，Ｒ２，Ｒ３…抵抗、Ｄ…ダイ
オード、Ｂ…電池。
Fig. 1 is a circuit diagram of a constant current charging circuit according to the present invention, Fig. 2 is a waveform diagram showing the relationship between the DC voltage, capacitor terminal voltage, and charging voltage in Fig. 1, and Fig. 3 is an AC voltage and charging current. Figure 4 is a circuit diagram of a conventional constant current charging circuit, Figure 5 is a characteristic diagram showing the relationship between
The figure is a waveform diagram showing the relationship among the DC voltage of the circuit, the terminal voltage of the capacitor, and the charging voltage. 1...AC power supply, RC...rectifier circuit, ZD...zener diode, Q1, Q2...transistor, C...
Capacitor, R1, R2, R3...Resistor, D...Diode, B...Battery.
Claims (1)
を接続している第１のトランジスタと充電すべき
電池との直列回路を介装する構成としており、前
記第１のトランジスタのベースと前記負極との間
に、コンデンサと抵抗との並列回路を介装してな
る定電流充電回路において、 前記抵抗と直列接続された第２のトランジスタ
を備え、該第２のトランジスタのベースを前記第
１のトランジスタのコレクタと接続してあること
を特徴とする定電流充電回路。[Claims for Utility Model Registration] A series circuit including a first transistor whose emitter is connected to the positive terminal and a battery to be charged is interposed between the positive and negative electrodes of the rectifier circuit, A constant current charging circuit including a parallel circuit of a capacitor and a resistor interposed between the base of the transistor and the negative electrode, comprising a second transistor connected in series with the resistor, the second transistor A constant current charging circuit characterized in that a base of the transistor is connected to a collector of the first transistor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8101288U JPH023145U (en) | 1988-06-17 | 1988-06-17 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8101288U JPH023145U (en) | 1988-06-17 | 1988-06-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH023145U true JPH023145U (en) | 1990-01-10 |
Family
ID=31305818
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8101288U Pending JPH023145U (en) | 1988-06-17 | 1988-06-17 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH023145U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63101746A (en) * | 1986-10-20 | 1988-05-06 | Nkk Corp | Pig for detecting leakage of pipeline |
| JPH0646344U (en) * | 1991-07-02 | 1994-06-24 | フジ地中情報株式会社 | Water pressure / sound pressure data recorder |
-
1988
- 1988-06-17 JP JP8101288U patent/JPH023145U/ja active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63101746A (en) * | 1986-10-20 | 1988-05-06 | Nkk Corp | Pig for detecting leakage of pipeline |
| JPH0463329B2 (en) * | 1986-10-20 | 1992-10-09 | Nippon Kokan Kk | |
| JPH0646344U (en) * | 1991-07-02 | 1994-06-24 | フジ地中情報株式会社 | Water pressure / sound pressure data recorder |