JPS63138839U - - Google Patents
Info
- Publication number
- JPS63138839U JPS63138839U JP3015387U JP3015387U JPS63138839U JP S63138839 U JPS63138839 U JP S63138839U JP 3015387 U JP3015387 U JP 3015387U JP 3015387 U JP3015387 U JP 3015387U JP S63138839 U JPS63138839 U JP S63138839U
- Authority
- JP
- Japan
- Prior art keywords
- battery
- contact piece
- plug
- power
- switching contact
- 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
Description
第１図に示した回路は、本考案の電源回路の一
実施例、第２図は乾電池と音響機器本体との関係
を示す斜視図である。
主な図番の説明、１……本体、２……電池収納
器、３……乾電池、４……電池用プラグ、５……
切換用突起、９……電源ジヤツク、１０……正極
端子、１１……接地端子、１２……切換接片、１
３……電源スイツチ、１４……負荷、１５……充
電式電池、１６……充電用抵抗、１７……切換ス
イツチ。
The circuit shown in FIG. 1 is an embodiment of the power supply circuit of the present invention, and FIG. 2 is a perspective view showing the relationship between the dry cell battery and the main body of the audio equipment. Explanation of main drawing numbers, 1...Main body, 2...Battery container, 3...Dry cell, 4...Battery plug, 5...
Switching protrusion, 9 ...Power jack, 10...Positive terminal, 11...Grounding terminal, 12...Switching contact piece, 1
3... Power switch, 14... Load, 15... Rechargeable battery, 16... Charging resistor, 17... Changeover switch.
Claims (1)
り得られる直流電圧が出力されるＡＣアダプター
用プラグ及び乾電池より得られる直流電圧が出力
される電池用プラグが挿入されると共に正極端子
、接地端子及び前記ＡＣアダプター用プラグ又は
電池用プラグが挿入された状態にあるとき前記接
地端子より切離される切換接片を有する電源ジヤ
ツクと、該電源ジヤツクの正極端子より電源スイ
ツチを介して直流電源が供給される負荷と、前記
正極端子と切換接片との間に接続された充電式電
池と、前記切換接片と接地間に接続されていると
共に前記充電式電池の充電電流を制限する充電用
抵抗と、前記切換接片と接地間に接続されている
と共に前記電源ジヤツクに電池用プラグが挿入さ
れたとき閉成される切換スイツチとより成り、電
源ジヤツクに電池用プラグが挿入されたとき前記
切換スイツチの閉成により前記充電用抵抗の両端
を短絡せしめ、以つて前記充電式電池と乾電池と
を並列に接続したことを特徴とする電源回路。 An AC adapter plug that outputs a DC voltage obtained from an AC adapter that step-down rectifies a commercial AC power supply, and a battery plug that outputs a DC voltage obtained from a dry battery are inserted, and a positive terminal, a ground terminal, and the AC adapter are inserted. a power jack having a switching contact piece that is disconnected from the ground terminal when a battery plug or a battery plug is inserted; and a load to which DC power is supplied from the positive terminal of the power jack via a power switch. , a rechargeable battery connected between the positive terminal and the switching contact piece, a charging resistor connected between the switching contact piece and ground and limiting the charging current of the rechargeable battery, and the switching contact piece. A changeover switch is connected between a contact piece and ground and is closed when a battery plug is inserted into the power jack, and the changeover switch is closed when the battery plug is inserted into the power jack. A power supply circuit characterized in that both ends of the charging resistor are short-circuited, and the rechargeable battery and dry battery are connected in parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3015387U JPH0537633Y2 (en) | 1987-03-02 | 1987-03-02 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3015387U JPH0537633Y2 (en) | 1987-03-02 | 1987-03-02 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63138839U true JPS63138839U (en) | 1988-09-13 |
| JPH0537633Y2 JPH0537633Y2 (en) | 1993-09-22 |
Family
ID=30834707
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3015387U Expired - Lifetime JPH0537633Y2 (en) | 1987-03-02 | 1987-03-02 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0537633Y2 (en) |
-
1987
- 1987-03-02 JP JP3015387U patent/JPH0537633Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0537633Y2 (en) | 1993-09-22 |