JPH01161845U - - Google Patents
Info
- Publication number
- JPH01161845U JPH01161845U JP5529488U JP5529488U JPH01161845U JP H01161845 U JPH01161845 U JP H01161845U JP 5529488 U JP5529488 U JP 5529488U JP 5529488 U JP5529488 U JP 5529488U JP H01161845 U JPH01161845 U JP H01161845U
- Authority
- JP
- Japan
- Prior art keywords
- diodes
- collision detection
- diagnostic circuit
- air bag
- detection sections
- 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
- 238000001514 detection method Methods 0.000 claims description 7
- 230000005856 abnormality Effects 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 4
Description
第１図はこの考案の一実施例によるエアバツク
システムの要部の回路図、第２図はこの考案の他
の実施例によるエアバツクシステムの要部の回路
図、第３図は従来のエアバツクシステムのブロツ
ク図、第４図は従来のダイオードの短絡モード故
障検出回路のブロツク図である。
１は車載バツテリ、３はコントローラ、１０は
処理回路、１２は記憶部、１３ａ〜１３ｅはダイ
オード、１４〜１９は衝突検出部。なお、各図に
おいて対応する部分には同一符号が付されている
。
Figure 1 is a circuit diagram of the main parts of an air bag system according to one embodiment of this invention, Figure 2 is a circuit diagram of the main parts of an air bag system according to another embodiment of this invention, and Figure 3 is a circuit diagram of the main parts of an air bag system according to another embodiment of this invention. FIG. 4 is a block diagram of a conventional diode short-circuit mode failure detection circuit. 1 is an in-vehicle battery, 3 is a controller, 10 is a processing circuit, 12 is a storage section, 13a to 13e are diodes, and 14 to 19 are collision detection sections. Note that corresponding parts in each figure are given the same reference numerals.
Claims (1)
の衝突検出部１４〜１９と、該衝突検出部の夫々
に直列的に介挿された複数個のダイオード１３ａ
〜１３ｄと、前記衝突検出部１４〜１９からの検
出出力に基づいてエアバツクを展開せしめる作動
制御部３と、該作動制御部又は前記衝突検出部１
４〜１９のうちの少なくともいずれか一方の異常
をチエツクする診断回路１０と、該診断回路によ
つて検出された異常を記憶する記憶部１２とを備
えてなるエアバツクシステムにおいて、前記ダイ
オード１３ａ〜１３ｅの夫々に一時的に電圧を印
加して該ダイオードの端子間に発生する電圧に基
づいて該ダイオードのオープンモード又はクロー
ズモードを検出する機能を前記診断回路１０に設
けたことを特徴とするエアバツクシステム。 A plurality of collision detection sections 14 to 19 are installed between the terminals of the vehicle battery 1, and a plurality of diodes 13a are inserted in series in each of the collision detection sections.
-13d, an operation control section 3 that deploys an air bag based on detection outputs from the collision detection sections 14 to 19, and the operation control section or the collision detection section 1
In an air bag system comprising a diagnostic circuit 10 that checks for an abnormality in at least one of the diodes 4 to 19, and a storage section 12 that stores the abnormality detected by the diagnostic circuit, the diodes 13a to 19 13e, the diagnostic circuit 10 is provided with a function of temporarily applying a voltage to each of the diodes and detecting an open mode or a closed mode of the diode based on the voltage generated between the terminals of the diode. back system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5529488U JPH01161845U (en) | 1988-04-26 | 1988-04-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5529488U JPH01161845U (en) | 1988-04-26 | 1988-04-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01161845U true JPH01161845U (en) | 1989-11-10 |
Family
ID=31281194
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5529488U Pending JPH01161845U (en) | 1988-04-26 | 1988-04-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01161845U (en) |
-
1988
- 1988-04-26 JP JP5529488U patent/JPH01161845U/ja active Pending
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