JPH02110559U - - Google Patents
Info
- Publication number
- JPH02110559U JPH02110559U JP2076189U JP2076189U JPH02110559U JP H02110559 U JPH02110559 U JP H02110559U JP 2076189 U JP2076189 U JP 2076189U JP 2076189 U JP2076189 U JP 2076189U JP H02110559 U JPH02110559 U JP H02110559U
- Authority
- JP
- Japan
- Prior art keywords
- capacitor
- drive device
- capacitance
- igniter drive
- measuring
- 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 6
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Air Bags (AREA)
Description
第1図は本考案の一実施例に係る点火器駆動装
置の構成図、第2図は第1図の点火器駆動装置の
作動を説明するためのタイミングチヤート、第3
図はコンデンサから放出されるエネルギーの算出
式を説明するための回路図、第4図は電源バツク
アツプ用コンデンサの容量値と基準電圧との関係
を示す図である。
1…中央処理装置(CPU)、2…スイツチン
グレギユレータ、8…第1のトランジスタ、9…
コイル、10…昇圧ダイオード、13…電源バツ
クアツプ用コンデンサ、14…定電流放電回路、
15…第2のトランジスタ、18…点火器。
FIG. 1 is a block diagram of an igniter drive device according to an embodiment of the present invention, FIG. 2 is a timing chart for explaining the operation of the igniter drive device of FIG. 1, and FIG.
The figure is a circuit diagram for explaining a formula for calculating the energy released from the capacitor, and FIG. 4 is a diagram showing the relationship between the capacitance value of the power backup capacitor and the reference voltage. DESCRIPTION OF SYMBOLS 1... Central processing unit (CPU), 2... Switching regulator, 8... First transistor, 9...
Coil, 10... Boost diode, 13... Power backup capacitor, 14... Constant current discharge circuit,
15...second transistor, 18...igniter.
Claims (1)
駆動装置において、前記コンデンサの容量を計測
する容量計測手段と、該計測した容量値に応じて
前記コンデンサに印加する電圧を可変制御する電
圧可変制御手段とを設けたことを特徴とする点火
器駆動装置。 An igniter drive device equipped with a power backup capacitor, comprising a capacitance measuring means for measuring the capacitance of the capacitor, and a voltage variable control means for variably controlling the voltage applied to the capacitor according to the measured capacitance value. An igniter drive device characterized by:
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2076189U JPH0635833Y2 (en) | 1989-02-23 | 1989-02-23 | Igniter drive |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2076189U JPH0635833Y2 (en) | 1989-02-23 | 1989-02-23 | Igniter drive |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH02110559U true JPH02110559U (en) | 1990-09-04 |
JPH0635833Y2 JPH0635833Y2 (en) | 1994-09-21 |
Family
ID=31237401
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2076189U Expired - Lifetime JPH0635833Y2 (en) | 1989-02-23 | 1989-02-23 | Igniter drive |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0635833Y2 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2016094844A (en) * | 2014-11-12 | 2016-05-26 | 株式会社デンソー | Electronic control device |
-
1989
- 1989-02-23 JP JP2076189U patent/JPH0635833Y2/en not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2016094844A (en) * | 2014-11-12 | 2016-05-26 | 株式会社デンソー | Electronic control device |
Also Published As
Publication number | Publication date |
---|---|
JPH0635833Y2 (en) | 1994-09-21 |
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