JPS6393741U - - Google Patents
Info
- Publication number
- JPS6393741U JPS6393741U JP18893086U JP18893086U JPS6393741U JP S6393741 U JPS6393741 U JP S6393741U JP 18893086 U JP18893086 U JP 18893086U JP 18893086 U JP18893086 U JP 18893086U JP S6393741 U JPS6393741 U JP S6393741U
- Authority
- JP
- Japan
- Prior art keywords
- transistor
- charging
- circuit
- end voltage
- secondary 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
- 238000010586 diagram Methods 0.000 description 7
- 239000003990 capacitor Substances 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
Description
第１図は本考案の一実施例の充電回路１１の電
気回路図、第２図は第１図に示された充電回路１
１における２次電池２３の充電電圧および充電電
流を示す図、第３図は本考案の他の実施例の充電
回路３１の電気回路図、第４図は本考案のさらに
他の実施例の充電回路３５の電気回路図、第５図
は先行技術の充電回路１の電気回路図、第６図は
第５図に示された充電回路１における２次電池７
の充電電圧および充電電流を示す図である。
１１，３１，３５……充電回路、１２，１３…
…入力端子、１４……変圧器、１５……整流回路
、１６……平滑コンデンサ、２２，３６……第１
トランジスタ、２３……２次電池、２５，３７…
…第２トランジスタ、２６……ツエナダイオード
、３２……発光ダイオード、Ｒ１，Ｒ２，Ｒ３…
…抵抗。
FIG. 1 is an electric circuit diagram of a charging circuit 11 according to an embodiment of the present invention, and FIG. 2 is an electrical circuit diagram of the charging circuit 11 shown in FIG. 1.
3 is an electric circuit diagram of a charging circuit 31 according to another embodiment of the present invention, and FIG. 4 is a diagram showing charging voltage and charging current of the secondary battery 23 in another embodiment of the present invention. 5 is an electrical circuit diagram of the prior art charging circuit 1, and FIG. 6 is an electrical circuit diagram of the charging circuit 1 shown in FIG. 5.
FIG. 3 is a diagram showing charging voltage and charging current of FIG. 11, 31, 35... Charging circuit, 12, 13...
...input terminal, 14...transformer, 15...rectifier circuit, 16...smoothing capacitor, 22, 36...first
Transistor, 23... Secondary battery, 25, 37...
...Second transistor, 26...Zena diode, 32...Light emitting diode, R1, R2, R3...
…resistance.
Claims (1)
続し、 第２トランジスタのベースに２次電池の充電電
流に対応した電圧が与えられるようにし、 充電終了電圧を決定する手段と、第２トランジ
スタとを、並列に接続し、 前記充電終了電圧を決定する手段と、第２トラ
ンジスタとの並列回路に、直列抵抗と第１トラン
ジスタのベースとを接続することを特徴とする充
電回路。[Claims for Utility Model Registration] A first transistor and a secondary battery are connected in series, and a voltage corresponding to the charging current of the secondary battery is applied to the base of the second transistor, so that the charging end voltage is set. The means for determining the charging end voltage and the second transistor are connected in parallel, and a series resistor and the base of the first transistor are connected to the parallel circuit of the means for determining the charging end voltage and the second transistor. charging circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18893086U JPS6393741U (en) | 1986-12-08 | 1986-12-08 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18893086U JPS6393741U (en) | 1986-12-08 | 1986-12-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6393741U true JPS6393741U (en) | 1988-06-17 |
Family
ID=31140756
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18893086U Pending JPS6393741U (en) | 1986-12-08 | 1986-12-08 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6393741U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4822507U (en) * | 1971-07-21 | 1973-03-14 |
-
1986
- 1986-12-08 JP JP18893086U patent/JPS6393741U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4822507U (en) * | 1971-07-21 | 1973-03-14 |
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