JPH0174462U - - Google Patents
Info
- Publication number
- JPH0174462U JPH0174462U JP1987167905U JP16790587U JPH0174462U JP H0174462 U JPH0174462 U JP H0174462U JP 1987167905 U JP1987167905 U JP 1987167905U JP 16790587 U JP16790587 U JP 16790587U JP H0174462 U JPH0174462 U JP H0174462U
- Authority
- JP
- Japan
- Prior art keywords
- capacitor
- switching element
- semiconductor switching
- discharge
- ignition transformer
- 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
- 239000004065 semiconductor Substances 0.000 claims description 9
- 239000003990 capacitor Substances 0.000 claims description 8
- 238000004804 winding Methods 0.000 claims description 5
- 238000001514 detection method Methods 0.000 claims 1
- 238000000034 method Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Ignition Installations For Internal Combustion Engines (AREA)
- Generation Of Surge Voltage And Current (AREA)
Description
添付の図面は本考案の放電点火装置の望ましい
一実施例における概略構成図である。
図中、１は交流電源、２は電流制限抵抗、３は
ダイオード・ブリツジ、４はダイオード、５は放
電エネルギ蓄積用のコンデンサ、６は点火トラン
ス、６１は点火トランス一次巻線、６２は点火ト
ランス二次巻線、７は放電間〓、８は第一半導体
スイツチング素子として例示されたサイリスタ、
９はダイオード、１０は第二半導体スイツチング
素子として例示されたｐｎｐトランジスタ、１１
，１２，１３，１４，１５は抵抗、である。
The accompanying drawing is a schematic diagram of a preferred embodiment of the discharge ignition device of the present invention. In the figure, 1 is an AC power supply, 2 is a current limiting resistor, 3 is a diode bridge, 4 is a diode, 5 is a capacitor for storing discharge energy, 6 is an ignition transformer, 61 is an ignition transformer primary winding, and 62 is an ignition transformer. A secondary winding, 7 a discharge coil, 8 a thyristor exemplified as a first semiconductor switching element,
9 is a diode, 10 is a pnp transistor exemplified as a second semiconductor switching element, 11
, 12, 13, 14, and 15 are resistances.
Claims (1)
ス一次巻線との直列回路に第一の半導体スイツチ
ング素子を並列に接続し、該第一半導体スイツチ
ング素子に備えられている制御入力に制御信号を
印加したとき、この第一半導体スイツチング素子
を導通させて上記コンデンサに蓄積されている充
電電荷を上記点火トランス一次巻線に放電し、該
点火トランスの二次巻線に接続された放電間〓に
放電火花を得る放電点火装置であつて； 上記コンデンサを充電する電源と該コンデンサ
の間の充電線路中に直列に挿入され、該電源電圧
が一方向に増加する過程においての上記コンデン
サ充電電流に対して順方向となるダイオードと； 該ダイオードに逆方向電圧が印加された場合、
その大きさが所定の値になつたときにこれを検出
し、該検出動作により、上記コンデンサに充電さ
れている電荷の一部を上記制御信号として上記第
一半導体スイツチング素子の上記制御入力に与え
、これを強制的に導通させる第二の半導体スイツ
チング素子と； を有して成ることを特徴とする放電点火装置。[Claims for Utility Model Registration] A first semiconductor switching element is connected in parallel to a series circuit of a capacitor for storing discharge energy and a primary winding of an ignition transformer, and a control input provided in the first semiconductor switching element is provided. When a control signal is applied to the first semiconductor switching element, the first semiconductor switching element is made conductive to discharge the charge stored in the capacitor to the primary winding of the ignition transformer, and the first semiconductor switching element is connected to the secondary winding of the ignition transformer. A discharge ignition device that obtains a discharge spark during discharge; the capacitor is inserted in series in a charging line between a power source that charges the capacitor and the capacitor, and the capacitor is in the process of increasing the power supply voltage in one direction. A diode that has a forward direction with respect to the charging current; When a reverse voltage is applied to the diode,
When the magnitude thereof reaches a predetermined value, this is detected, and through the detection operation, a part of the electric charge charged in the capacitor is applied as the control signal to the control input of the first semiconductor switching element. , and a second semiconductor switching element that forcibly conducts the discharge ignition device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987167905U JPH0435722Y2 (en) | 1987-11-04 | 1987-11-04 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987167905U JPH0435722Y2 (en) | 1987-11-04 | 1987-11-04 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0174462U true JPH0174462U (en) | 1989-05-19 |
| JPH0435722Y2 JPH0435722Y2 (en) | 1992-08-24 |
Family
ID=31456619
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987167905U Expired JPH0435722Y2 (en) | 1987-11-04 | 1987-11-04 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0435722Y2 (en) |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS533178B2 (en) * | 1976-01-12 | 1978-02-03 |
-
1987
- 1987-11-04 JP JP1987167905U patent/JPH0435722Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0435722Y2 (en) | 1992-08-24 |
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