JPS6390944U - - Google Patents
Info
- Publication number
- JPS6390944U JPS6390944U JP18697386U JP18697386U JPS6390944U JP S6390944 U JPS6390944 U JP S6390944U JP 18697386 U JP18697386 U JP 18697386U JP 18697386 U JP18697386 U JP 18697386U JP S6390944 U JPS6390944 U JP S6390944U
- Authority
- JP
- Japan
- Prior art keywords
- solar cell
- charging circuit
- light
- source
- solar
- 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
- 230000003071 parasitic effect Effects 0.000 claims description 2
- 230000002265 prevention Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
Description
第１図は本考案の一実施例を示す回路図、第２
図は本考案の第２の実施例を示す回路図、第３図
は従来の実施例の回路図である。
図において、１……太陽電池、２……蓄電池、
３ａ……ＭＯＳＦＥＴ、３ｂ……ＭＯＳＦＥＴの
寄生ダイオード、４……ホトダイオード、５……
ホトトランジスタ、６……発光ダイオード、７，
８，９……抵抗、１０……基準電圧源、１１……
比較器、１２……整流ダイオード、である。
Figure 1 is a circuit diagram showing one embodiment of the present invention;
The figure is a circuit diagram showing a second embodiment of the present invention, and FIG. 3 is a circuit diagram of a conventional embodiment. In the figure, 1... solar cell, 2... storage battery,
3a...MOSFET, 3b...MOSFET parasitic diode, 4...Photodiode, 5...
Phototransistor, 6... Light emitting diode, 7,
8, 9...Resistor, 10...Reference voltage source, 11...
Comparator 12... is a rectifier diode.
Claims (1)
、ゲートソース間に受光面が太陽電池と同一の直
列接続したホトダイオードを、受光時にオンする
極性で接続したＭＯＳＦＥＴの寄生ダイオードを
逆流防止素子として、太陽電池と蓄電池間に接続
したことを特徴とする太陽電池充電回路。 In a power source that charges a storage battery using a solar cell, a photodiode connected in series between the gate and source with the same light-receiving surface as the solar cell is used as a backflow prevention element using a MOSFET parasitic diode connected with a polarity that turns on when light is received. A solar battery charging circuit characterized in that a solar cell charging circuit is connected between
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18697386U JPS6390944U (en) | 1986-12-03 | 1986-12-03 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18697386U JPS6390944U (en) | 1986-12-03 | 1986-12-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6390944U true JPS6390944U (en) | 1988-06-13 |
Family
ID=31137019
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18697386U Pending JPS6390944U (en) | 1986-12-03 | 1986-12-03 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6390944U (en) |
-
1986
- 1986-12-03 JP JP18697386U patent/JPS6390944U/ja active Pending