JPS6390984U - - Google Patents
Info
- Publication number
- JPS6390984U JPS6390984U JP18657786U JP18657786U JPS6390984U JP S6390984 U JPS6390984 U JP S6390984U JP 18657786 U JP18657786 U JP 18657786U JP 18657786 U JP18657786 U JP 18657786U JP S6390984 U JPS6390984 U JP S6390984U
- Authority
- JP
- Japan
- Prior art keywords
- input
- relay
- relay contact
- resistor
- power supply
- 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
- 239000003990 capacitor Substances 0.000 claims description 7
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Dc-Dc Converters (AREA)
Description
第１図は本考案の一実施例を示す回路図、第２
図は第１図の入力電圧―入力電流特性図、第３図
は従来の電源起動回路の一例を示す回路図である
。
１……入力電源、２……スイツチ、３……第１
のリレー接点、４……入力抵抗器、５……コンデ
ンサ、６……ＤＣ―ＤＣコンバータ、７……負荷
抵抗器、８……リレー、９……第２のリレー接点
、１０……リレー駆動回路、１１……差動増幅器
、１２……制御電源、１３，１４……分割抵抗器
、１５……抵抗器、１６……コンデンサ、１７…
…基準電源、１８……パルス幅調整回路、１９…
…電源動作停止回路、２０……外部スイツチ、２
３，２４……入力電圧端子、Ａ……外部信号端子
、Ｅ……入力電圧（コンデンサ５）、ＩＩＮ……
入力電流、ＶＣＣ……制御電圧、ＶＲＥＦ……基
準電圧。
Figure 1 is a circuit diagram showing one embodiment of the present invention;
The figure is an input voltage-input current characteristic diagram of FIG. 1, and FIG. 3 is a circuit diagram showing an example of a conventional power supply startup circuit. 1...Input power supply, 2...Switch, 3...1st
relay contact, 4...Input resistor, 5...Capacitor, 6...DC-DC converter, 7...Load resistor, 8...Relay, 9...Second relay contact, 10...Relay drive Circuit, 11... Differential amplifier, 12... Control power supply, 13, 14... Dividing resistor, 15... Resistor, 16... Capacitor, 17...
...Reference power supply, 18...Pulse width adjustment circuit, 19...
...Power supply operation stop circuit, 20...External switch, 2
3, 24...Input voltage terminal, A...External signal terminal, E...Input voltage (capacitor 5), IIN...
Input current, VCC...control voltage, VREF...reference voltage.
Claims (1)
に接続する入力抵抗器と、この入力抵抗器を短絡
するための第１のリレー接点と、前記入力電源に
前記スイツチおよび抵抗器を介して接続される入
力コンデンサと、この入力コンデンサの電圧によ
つて作動するリレーとからなり、この入力コンデ
ンサの両端をパルス幅調整回路を有するＤＣ―Ｄ
Ｃコンバータ電源の入力端子に接続する電源起動
回路において、前記入力コンデンサに並列に接続
する第１および第２の直列分割抵抗と、この下位
の第２の分割抵抗に並列に接続するコンデンサと
、前記直列分割抵抗の分割点を第１の入力電圧端
子に、基準電源ＶＲＥＦを第２の入力電圧端子に
接続し、制御電源ＶＣＣによつて制御される差動
増幅器と、この差動増幅器の出力端子と前記第１
の入力電圧端子とを接続する抵抗器と、前記差動
増幅器の出力端子に接続するリレー駆動回路と、
この駆動回路によつて駆動され前記第１のリレー
接点を作動するリレーと、このリレーによつて第
１のリレー接点の閉路と同時に開路するように作
動する第２のリレー接点と、この第２のリレー接
点の開路によつて動作停止機能が解除され、前記
パルス幅調整回路を動作させ、前記ＤＣ―ＤＣコ
ンバータを起動させる電源動作停止回路とを設け
たことを特徴とする電源起動回路。 an input power source, a switch, an input resistor connected in series with the switch, a first relay contact for shorting the input resistor, and a first relay contact connected to the input power source via the switch and the resistor. It consists of an input capacitor and a relay that is activated by the voltage of this input capacitor.
In a power supply start-up circuit connected to an input terminal of a C converter power supply, first and second series divided resistors connected in parallel to the input capacitor, a capacitor connected in parallel to the lower second divided resistor; A differential amplifier is connected to the dividing point of the series divided resistor to a first input voltage terminal, a reference power source VREF is connected to a second input voltage terminal, and is controlled by a control power source VCC, and an output terminal of this differential amplifier. and the first
a resistor connected to the input voltage terminal of the differential amplifier; and a relay drive circuit connected to the output terminal of the differential amplifier.
a relay that is driven by the drive circuit and operates the first relay contact; a second relay contact that is operated by the relay to open the first relay contact at the same time as the closing of the first relay contact; A power supply start-up circuit comprising: a power supply operation stop circuit which releases an operation stop function by opening a relay contact, operates the pulse width adjustment circuit, and starts the DC-DC converter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18657786U JPH0521989Y2 (en) | 1986-12-03 | 1986-12-03 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18657786U JPH0521989Y2 (en) | 1986-12-03 | 1986-12-03 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6390984U true JPS6390984U (en) | 1988-06-13 |
| JPH0521989Y2 JPH0521989Y2 (en) | 1993-06-04 |
Family
ID=31136258
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18657786U Expired - Lifetime JPH0521989Y2 (en) | 1986-12-03 | 1986-12-03 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0521989Y2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013038903A (en) * | 2011-08-08 | 2013-02-21 | Denso Corp | Discharge circuit for capacitor |
| WO2015029317A1 (en) * | 2013-08-29 | 2015-03-05 | パナソニックＩｐマネジメント株式会社 | Environmental power generation device |
-
1986
- 1986-12-03 JP JP18657786U patent/JPH0521989Y2/ja not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013038903A (en) * | 2011-08-08 | 2013-02-21 | Denso Corp | Discharge circuit for capacitor |
| WO2015029317A1 (en) * | 2013-08-29 | 2015-03-05 | パナソニックＩｐマネジメント株式会社 | Environmental power generation device |
| EP3041128A4 (en) * | 2013-08-29 | 2016-08-24 | Panasonic Ip Man Co Ltd | Environmental power generation device |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0521989Y2 (en) | 1993-06-04 |