JPH0314978U - - Google Patents
Info
- Publication number
- JPH0314978U JPH0314978U JP7457189U JP7457189U JPH0314978U JP H0314978 U JPH0314978 U JP H0314978U JP 7457189 U JP7457189 U JP 7457189U JP 7457189 U JP7457189 U JP 7457189U JP H0314978 U JPH0314978 U JP H0314978U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- terminal
- oscillation
- inductor
- 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.)
- Granted
Links
- 230000010355 oscillation Effects 0.000 claims description 11
- 239000003990 capacitor Substances 0.000 claims description 5
- 238000009499 grossing Methods 0.000 claims description 4
- 238000001514 detection method Methods 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Dc-Dc Converters (AREA)
Description
第１図は本考案に係るＤＣ−ＤＣコンバータの
ブロツク図、第２図は本考案に係るＤＣ−ＤＣコ
ンバータの具体的な回路図である。
６……スイツチ回路、６１……３端子スイツチ
素子、７……出力回路、７１……インダクタ、７
２……整流平滑回路、８……発振回路、８１……
コンデンサ、８２……３端子制御素子、１０……
過電流検出回路、１１……過電流保護回路、１２
……電圧制御回路。
FIG. 1 is a block diagram of a DC-DC converter according to the present invention, and FIG. 2 is a specific circuit diagram of the DC-DC converter according to the present invention. 6... Switch circuit, 61... 3-terminal switch element, 7... Output circuit, 71... Inductor, 7
2... Rectifier smoothing circuit, 8... Oscillation circuit, 81...
Capacitor, 82... 3-terminal control element, 10...
Overcurrent detection circuit, 11... Overcurrent protection circuit, 12
...Voltage control circuit.
Claims (1)
と、スイツチング出力を極性の反転した直流出力
に変換して出力する出力回路と、前記スイツチ回
路をオン、オフ駆動する発振回路とを含むＤＣ−
ＤＣコンバータであつて、 前記スイツチ回路は、主電極が電力伝送ライン
に直列に挿入された３端子スイツチ素子を含み、 前記出力回路は、インダクタと、整流平滑回路
とを含み、 前記インダクタは、前記スイツチ回路の出力側
において電力伝送ライン間に接続されており、 前記整流平滑回路は、前記インダクタに生じる
逆起電力を整流するように方向付けられており、 前記発振回路は、前記インダクタに生じる交流
変化分を検出し、検出信号に基づいて発振動作を
継続し、発振出力によつて前記３端子スイツチ素
子をオン、オフさせること を特徴とするＤＣ−ＤＣコンバータ。 (2) 前記発振回路は、コンデンサと、３端子制
御素子とを含み、 前記コンデンサは、前記インダクタに生じた交
流変化分を前記３端子制御素子の制御電極に伝え
るように前記インダクタと前記３端子制御素子の
制御電極との間に接続されており、 前記３端子制御素子は、主電極が前記スイツチ
回路を構成する前記３端子スイツチ素子の制御電
極に接続されていて、前記コンデンサから供給さ
れる交流信号により前記３端子スイツチ素子をオ
ン、オフさせること を特徴とする実用新案登録請求の範囲第１項に
記載のＤＣ−ＤＣコンバータ。 (3) 前記発振回路は、過電流保護回路を備えて
おり、 前記過電流保護回路は、負荷電流検出信号に基
づき前記発振回路を制御する回路であること を特徴とする実用新案登録請求の範囲第１項ま
たは第２項に記載のＤＣ−ＤＣコンバータ。 (4) 前記発振回路は、過電流保護回路を備えて
おり、 前記過電流保護回路は、主電極が前記発振回路
を構成する３端子制御素子の制御電極に接続され
る３端子制御素子と、前記発振回路を構成する前
記３端子制御素子の制御電極回路に対して並列に
入るコンデンサとを含むこと を特徴とする実用新案登録請求の範囲第２項に
記載のＤＣ−ＤＣコンバータ。[Claims for Utility Model Registration] (1) A switch circuit that switches DC input, an output circuit that converts the switching output into a DC output with inverted polarity, and an oscillation circuit that turns on and off the switch circuit. and DC-
In the DC converter, the switch circuit includes a three-terminal switch element whose main electrode is inserted in series with a power transmission line, the output circuit includes an inductor, and a rectifying and smoothing circuit, and the inductor includes a rectifying and smoothing circuit. It is connected between the power transmission lines on the output side of the switch circuit, the rectifying and smoothing circuit is oriented to rectify the back electromotive force generated in the inductor, and the oscillation circuit is oriented to rectify the back electromotive force generated in the inductor. A DC-DC converter characterized in that it detects a change, continues oscillation operation based on the detection signal, and turns on and off the three-terminal switch element using the oscillation output. (2) The oscillation circuit includes a capacitor and a three-terminal control element, and the capacitor connects the inductor and the three-terminal so as to transmit an alternating current change generated in the inductor to a control electrode of the three-terminal control element. and a control electrode of a control element, and the three-terminal control element has a main electrode connected to the control electrode of the three-terminal switch element constituting the switch circuit, and is supplied from the capacitor. The DC-DC converter according to claim 1, wherein the three-terminal switch element is turned on and off by an alternating current signal. (3) The scope of the utility model registration claim characterized in that the oscillation circuit includes an overcurrent protection circuit, and the overcurrent protection circuit is a circuit that controls the oscillation circuit based on a load current detection signal. The DC-DC converter according to item 1 or 2. (4) The oscillation circuit includes an overcurrent protection circuit, and the overcurrent protection circuit includes a three-terminal control element whose main electrode is connected to a control electrode of a three-terminal control element constituting the oscillation circuit; The DC-DC converter according to claim 2, further comprising a capacitor connected in parallel to a control electrode circuit of the three-terminal control element constituting the oscillation circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989074571U JP2500419Y2 (en) | 1989-06-26 | 1989-06-26 | DC-DC converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989074571U JP2500419Y2 (en) | 1989-06-26 | 1989-06-26 | DC-DC converter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0314978U true JPH0314978U (en) | 1991-02-14 |
| JP2500419Y2 JP2500419Y2 (en) | 1996-06-05 |
Family
ID=31614376
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989074571U Expired - Lifetime JP2500419Y2 (en) | 1989-06-26 | 1989-06-26 | DC-DC converter |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2500419Y2 (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS49111143A (en) * | 1973-02-26 | 1974-10-23 | ||
| JPS5111335U (en) * | 1974-07-12 | 1976-01-27 | ||
| JPS59156024U (en) * | 1983-04-07 | 1984-10-19 | アンリツ株式会社 | Article classification device |
| JPS6172083U (en) * | 1984-10-16 | 1986-05-16 |
-
1989
- 1989-06-26 JP JP1989074571U patent/JP2500419Y2/en not_active Expired - Lifetime
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS49111143A (en) * | 1973-02-26 | 1974-10-23 | ||
| JPS5111335U (en) * | 1974-07-12 | 1976-01-27 | ||
| JPS59156024U (en) * | 1983-04-07 | 1984-10-19 | アンリツ株式会社 | Article classification device |
| JPS6172083U (en) * | 1984-10-16 | 1986-05-16 |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2500419Y2 (en) | 1996-06-05 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| S533 | Written request for registration of change of name |
Free format text: JAPANESE INTERMEDIATE CODE: R323533 |
|
| R350 | Written notification of registration of transfer |
Free format text: JAPANESE INTERMEDIATE CODE: R350 |
|
| EXPY | Cancellation because of completion of term |