JPH042481U - - Google Patents
Info
- Publication number
- JPH042481U JPH042481U JP4232290U JP4232290U JPH042481U JP H042481 U JPH042481 U JP H042481U JP 4232290 U JP4232290 U JP 4232290U JP 4232290 U JP4232290 U JP 4232290U JP H042481 U JPH042481 U JP H042481U
- Authority
- JP
- Japan
- Prior art keywords
- power supply
- external power
- connector
- internal
- switch
- 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 2
- 125000006850 spacer group Chemical group 0.000 description 1
Landscapes
- Power Sources (AREA)
- Details Of Connecting Devices For Male And Female Coupling (AREA)
Description
第１図は本考案一実施例の外部電源供給用コネ
クタの回路構成図、第２図は同外部電源供給用コ
ネクタの断面図で第３図における−線断面図
、第３図は同正面図、第４図は同側面図、第５図
は従来の外部電源供給用コネクタの回路構成図で
ある。
１１……外部電源供給用コネクタ、１２……外
部電源供給用接続具、１２ａ……円筒状接触子、
１２ｂ……可動接触子、１３……内部電源用スイ
ツチ、１３ａ……可動接触子、１３ｂ……固定接
触子、１４……外部電源接続部、１４ａ……可動
接触子、１４ｂ……ピン接触子、２１，２２……
ダイオード、２４……スペーサ。
Fig. 1 is a circuit configuration diagram of an external power supply connector according to an embodiment of the present invention, Fig. 2 is a sectional view of the external power supply connector, a sectional view taken along the - line in Fig. 3, and Fig. 3 is a front view of the same. , FIG. 4 is a side view of the same, and FIG. 5 is a circuit configuration diagram of a conventional external power supply connector. 11...Connector for external power supply, 12...Connector for external power supply, 12a...Cylindrical contact,
12b...Movable contact, 13...Internal power switch, 13a...Movable contact, 13b...Fixed contact, 14...External power connection section, 14a...Movable contact, 14b...Pin contact , 21, 22...
Diode, 24...Spacer.
Claims (1)
する内部電源用スイツチと、外部電源供給用接続
具を差し込んだ時にこの外部電源供給用接続具の
接触子に接触して外部電源から機器内部回路への
給電を行う外部電源接続部とを備え、前記外部電
源供給用接続具を抜き差しした時に前記内部電源
用スイツチが作動し内部電源と外部電源との切り
替えが行われる電気機器の外部電源供給用コネク
タにおいて、 内部電源から機器内部回路への経路および外部
電源接続部から機器内部回路への経路のそれぞれ
順方向にダイオードを設け、前記外部電源供給用
接続具を差し込んだ時に、始めに外部電源供給用
接続具の接触子と前記外部電源接続部の接触子と
が接触し、次いで、外部電源供給用接続具により
前記内部電源用スイツチがオフとされるように構
成したことを特徴とする電気機器の外部電源供給
用コネクタ。[Scope of claim for utility model registration] An internal power switch that turns on and off the power supply from the internal power supply to the internal circuit of the device, and an external power supply connector that comes into contact with the contact of the external power supply connector when the connector is inserted. and an external power supply connection part that supplies power from an external power supply to the internal circuit of the device, and when the external power supply connector is inserted or removed, the internal power supply switch is activated to switch between the internal power supply and the external power supply. In the external power supply connector of the device, diodes are provided in the forward direction of the path from the internal power supply to the device's internal circuit, and the path from the external power connection to the device's internal circuit, so that when the external power supply connector is inserted, , the contactor of the external power supply connector and the contactor of the external power supply connection part first come into contact with each other, and then the internal power switch is turned off by the external power supply connector. A connector for external power supply of electrical equipment, characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4232290U JPH042481U (en) | 1990-04-20 | 1990-04-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4232290U JPH042481U (en) | 1990-04-20 | 1990-04-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH042481U true JPH042481U (en) | 1992-01-10 |
Family
ID=31553768
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4232290U Pending JPH042481U (en) | 1990-04-20 | 1990-04-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH042481U (en) |
-
1990
- 1990-04-20 JP JP4232290U patent/JPH042481U/ja active Pending