JPH037624U - - Google Patents
Info
- Publication number
- JPH037624U JPH037624U JP6584789U JP6584789U JPH037624U JP H037624 U JPH037624 U JP H037624U JP 6584789 U JP6584789 U JP 6584789U JP 6584789 U JP6584789 U JP 6584789U JP H037624 U JPH037624 U JP H037624U
- Authority
- JP
- Japan
- Prior art keywords
- diode
- transistor
- transistors
- connection state
- positive
- 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
- 230000002159 abnormal effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Description
第1図は本考案に係るバツテリ充電器の電気回
路の一実施例を示す回路図、第2図は他の実施例
を示す回路図である。
3……保護回路、4……LED、5……LED
動作回路、6……第1トランジスタ、7……第2
トランジスタ、8……第1ダイオード、9……第
2ダイオード、13……第3ダイオード、14…
…第4ダイオード、15……第3トランジスタ。
FIG. 1 is a circuit diagram showing one embodiment of the electric circuit of a battery charger according to the present invention, and FIG. 2 is a circuit diagram showing another embodiment. 3...Protection circuit, 4...LED, 5...LED
Operating circuit, 6...first transistor, 7...second
Transistor, 8...first diode, 9...second diode, 13...third diode, 14...
...Fourth diode, 15...Third transistor.
Claims (1)
テリを充電するバツテリ充電器において、 第1・第2トランジスタ6,7と第1・第2ダ
イオード8,9とを備え、正負の正常接続状態で
は、電流が上記第1ダイオード8に流れて上記第
1・第2トランジスタ6,7をオン状態とする正
常ルートを形成し、正負の逆接続状態では上記第
2ダイオード9のアノード点の電圧を変化させて
上記第1・第2トランジスタ6,7をオフ状態と
して上記第2ダイオード9の起動電流のみを出力
する異常ルートを形成する保護回路3と、 第3・第4ダイオード13,14とLED4と
第3トランジスタ15とを備え、正負の正常接続
状態では、上記第3ダイオード13の順方向の電
圧降下により上記第3トランジスタ15がオン状
態となり上記LED4から上記第4ダイオード1
4に流れる点灯ルートを形成し、正負の逆接続状
態では、上記第3ダイオード13のアノード点の
電圧が0Vとなる非点灯ルートを形成するLED
動作回路5と、 を備えたことを特徴とするバツテリ充電器。[Claims for Utility Model Registration] In a battery charger that rectifies an AC power source to convert it into DC and charges a battery with the DC, first and second transistors 6, 7, first and second diodes 8, 9, In a normal positive/negative connection state, a current flows through the first diode 8 to form a normal route that turns on the first and second transistors 6, 7, and in a reverse positive/negative connection state, the current flows through the first diode 8 to turn on the first and second transistors 6, 7. a protection circuit 3 that forms an abnormal route that changes the voltage at the anode point of the diode 9 to turn off the first and second transistors 6 and 7 and outputs only the starting current of the second diode 9; It includes fourth diodes 13, 14, an LED 4, and a third transistor 15, and in a normal positive/negative connection state, the third transistor 15 is turned on due to the voltage drop in the forward direction of the third diode 13, and the third transistor 15 is turned on from the LED 4 to the third transistor 15. 4 diodes 1
4, and forms a non-lighting route in which the voltage at the anode point of the third diode 13 becomes 0 V in the reverse connection state of positive and negative.
A battery charger comprising: an operating circuit 5;
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6584789U JPH0736453Y2 (en) | 1989-06-05 | 1989-06-05 | Battery charger |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6584789U JPH0736453Y2 (en) | 1989-06-05 | 1989-06-05 | Battery charger |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH037624U true JPH037624U (en) | 1991-01-24 |
JPH0736453Y2 JPH0736453Y2 (en) | 1995-08-16 |
Family
ID=31598047
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP6584789U Expired - Lifetime JPH0736453Y2 (en) | 1989-06-05 | 1989-06-05 | Battery charger |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0736453Y2 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006058716A (en) * | 2004-08-23 | 2006-03-02 | Inada Project:Kk | Rimless spectacles |
-
1989
- 1989-06-05 JP JP6584789U patent/JPH0736453Y2/en not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006058716A (en) * | 2004-08-23 | 2006-03-02 | Inada Project:Kk | Rimless spectacles |
Also Published As
Publication number | Publication date |
---|---|
JPH0736453Y2 (en) | 1995-08-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EXPY | Cancellation because of completion of term |