JPH0454048Y2 - - Google Patents
Info
- Publication number
- JPH0454048Y2 JPH0454048Y2 JP2370588U JP2370588U JPH0454048Y2 JP H0454048 Y2 JPH0454048 Y2 JP H0454048Y2 JP 2370588 U JP2370588 U JP 2370588U JP 2370588 U JP2370588 U JP 2370588U JP H0454048 Y2 JPH0454048 Y2 JP H0454048Y2
- Authority
- JP
- Japan
- Prior art keywords
- igniter
- circuit
- collision
- diode
- horn
- 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.)
- Expired
Links
- 230000005540 biological transmission Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000005474 detonation Methods 0.000 description 2
- 239000002360 explosive Substances 0.000 description 2
- 238000007664 blowing Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000003721 gunpowder Substances 0.000 description 1
Description
【考案の詳細な説明】
（産業上の利用分野）
この考案は、エアバツグ装置を装備したステア
リングホイールに関するものである。[Detailed Description of the Invention] (Field of Industrial Application) This invention relates to a steering wheel equipped with an air bag device.
（従来技術）
エアバツグ装置は、車両衝突時の減速度に応答
する衝突センサーと点火器を含み、車両の衝突の
際は衝突センサーの働きで点火器に通電して火薬
を爆発させ、袋状のエアバツグを膨張展開させ
る。(Prior art) An airbag device includes a collision sensor and an igniter that respond to the deceleration of a vehicle during a collision.When a vehicle collides, the collision sensor activates the igniter to explode the gunpowder, causing a bag-shaped explosion. Inflate and deploy the air bag.
このエアバツグで車両乗員を２次衝突の危険か
ら保護する。しかし起爆信号の伝達方式について
は、たとえば実公昭62−25412号公報に示される
ように専用回路を構成したものが知られている。 This airbag protects vehicle occupants from the risk of secondary collision. However, as for the transmission method of the detonation signal, a method using a dedicated circuit is known, for example, as shown in Japanese Utility Model Publication No. 62-25412.
（考案が解決しようとする課題）
この考案は、正常運転の際のホーンの吹鳴用に
構成した回路を衝突時には起爆信号の伝達に用い
ることによつて回路の多重化により、回路の簡素
化を図ることを目的とするものである。(Problem to be solved by the invention) This invention simplifies the circuit by multiplexing the circuit by using the circuit configured for blowing the horn during normal operation to transmit the detonation signal in the event of a collision. The purpose is to
（考案による課題の解決手段）
ダイオード及び衝突センサースイツチを備えた
ホーン作動回路に、点火器及び前記ダイオードと
逆性のダイオードを備えた点火器作動回路を並設
し、前記衝突センサースイツチの作動によつて正
常時と衝突時に電流の極性を反転させるようにし
た。(Means for Solving Problems by Invention) An igniter operating circuit including an igniter and a diode having the opposite polarity to the above diode is arranged in parallel to a horn operating circuit including a diode and a collision sensor switch, and the igniter operating circuit includes an igniter and a diode having the opposite polarity to the above diode, and the igniter operating circuit includes a diode and a collision sensor switch. Therefore, the polarity of the current is reversed between normal and collision situations.
（作用）
衝突センサースイツチ１３が正常運動時のとき
は、点火器２を含む回路への電流は遮断され、点
火器２への通電はなく、ホーンリレー１４のオ
ン・オフによつてホーン１５が吹鳴される。この
ときＡ点の極性は＋、Ｂ点の極性は−である。(Function) When the collision sensor switch 13 is operating normally, the current to the circuit including the igniter 2 is cut off, the igniter 2 is not energized, and the horn 15 is activated by turning the horn relay 14 on and off. It is blown. At this time, the polarity of point A is +, and the polarity of point B is -.
衝突時には衝突センサーの信号による衝突セン
サースイツチ１３の作動でＡ点、Ｂ点の極性は反
転し、Ｂ点は＋、Ａ点は−となり、点火器２を含
む回路へ通電され、火薬が爆発してエアバツグが
膨張展開し、車両乗員を２次衝突の危険から保護
する。 In the event of a collision, the polarity of points A and B is reversed by the operation of the collision sensor switch 13 based on the signal from the collision sensor, and the polarity of point B becomes + and point A becomes -, and the circuit including the igniter 2 is energized, causing the explosive to explode. The air bag inflates and deploys to protect vehicle occupants from the risk of a secondary collision.
（実施例）
図を参照して本考案に係るエアバツグ装置の一
実施例を説明する。１はホーンスイツチである。
３ａ，３ｂはダイオード、２は点火器である。
４，５，６はホーンパツド上に設けた回転側スリ
ツプリング、４′，５′，６′に同じく固定側スリ
ツプリングである。７，７は回転側スリツプリン
グ上に180°開いた個所にブラシ７，７′が設けら
れ、同様に固定側スリツプリング４′上にも180°
開いた個所にブラシ１０，１０′が設けられ、こ
れらによりハンドルの回転に関係なくパツド上で
通電できるようになつている。回転側スリツプリ
ング５，６及び固定側スリツプリング５′，６′に
ついても同様の構造になつている。(Embodiment) An embodiment of an air bag device according to the present invention will be described with reference to the drawings. 1 is a horn switch.
3a and 3b are diodes, and 2 is an igniter.
Reference numerals 4, 5, and 6 are rotating side slip rings provided on the horn pad, and 4', 5', and 6' are stationary side slip rings. 7, 7 are provided with brushes 7, 7' at 180° angles on the rotating side slip ring, and 180° angles on the stationary side slip ring 4' as well.
Brushes 10, 10' are provided in the open area, and these allow electrical current to be applied to the pad regardless of rotation of the handle. The rotating side slip rings 5, 6 and the stationary side slip rings 5', 6' have a similar structure.
１３は衝突センサースイツチで、図示しない衝
突センサーの信号により正常時は実線の如く、衝
突時には点線の如く移動し極性が逆になる。１４
はホーンリレー、１５はホーン、１６はバツテリ
ーである。 Reference numeral 13 denotes a collision sensor switch, which moves as shown by the solid line during normal operation and as shown by the dotted line in the event of a collision, and its polarity is reversed in response to a signal from a collision sensor (not shown). 14
is a horn relay, 15 is a horn, and 16 is a battery.
１７はホーンとは直接関係ないが、種々の制御
信号の送信回路で、こゝから発した信号は同様に
パツド上のスリツプリング５，５′を介し受信回
路１８に送られ、指令信号１９を発するようにな
つている。 Reference numeral 17 is not directly related to the horn, but is a transmission circuit for various control signals, and the signals emitted from this are similarly sent to the reception circuit 18 via the slip rings 5 and 5' on the pad, and the command signal 19 is sent to the reception circuit 18. It's starting to emanate.
さて、衝突センサースイツチ１３が正常運転時
には点火器２を含む回路への電流は遮断され、点
火器２への通電はなく、ホーンリレー１４のON
−OFFでホーン１５が吹鳴される。この時Ａ点
は＋、Ｂ点は−となつている。 Now, when the collision sensor switch 13 is operating normally, the current to the circuit including the igniter 2 is cut off, the igniter 2 is not energized, and the horn relay 14 is turned on.
-Horn 15 is blown when it is OFF. At this time, point A is + and point B is -.
衝突時には図示しない衝突センサーの信号によ
つて衝突センサースイツチ１３が作動し、図の点
線位置に変換し、正常運転時の逆、即ちＢ点が
＋、Ａ点が−となり、点火器２を含む回路２０へ
ダイオード３ｂを介し通電され、火薬を爆発さ
せ、エアバツグを膨張展開させる。 In the event of a collision, the collision sensor switch 13 is activated by a signal from a collision sensor (not shown) and changes to the dotted line position shown in the figure, which is the opposite of normal operation, that is, point B is + and point A is -, including the igniter 2. Electricity is applied to the circuit 20 through the diode 3b, causing the explosive to explode and the airbag to expand and deploy.
（効果）
この考案は以上説明したように、２個の互に逆
性のダイオード３ａ，３ｂを用いた回路構成によ
り、２線の信号回路を３線回路として用いること
ができるので、信号回路の簡素化を図ることが可
能となつた。(Effects) As explained above, this invention allows a two-wire signal circuit to be used as a three-wire circuit due to the circuit configuration using two mutually opposite diodes 3a and 3b. It became possible to simplify the process.
図はこの考案を説明するための回路図。
図において；１……ホーンスイツチ、２……点
火器、３ａ，３ｂ……ダイオード、４，５，６，
４′，５′，６′……スリツプリング、７，７′，
８，８′，９，９′，１０，１０′，１１，１１′，
１２，１２′……ブラシ、１３……衝突センサー
スイツチ、１４……ホーンリレー、１５……ホー
ン、１６……バツテリー、１７……送信回路、１
８……受信回路、１９……指令信号、２０……回
路。
The figure is a circuit diagram for explaining this idea. In the figure: 1... Horn switch, 2... Igniter, 3a, 3b... Diode, 4, 5, 6,
4', 5', 6'...slip ring, 7, 7',
8, 8', 9, 9', 10, 10', 11, 11',
12, 12'... Brush, 13... Collision sensor switch, 14... Horn relay, 15... Horn, 16... Battery, 17... Transmission circuit, 1
8... Receiving circuit, 19... Command signal, 20... Circuit.
Claims (1)
を備えたホーン作動回路に、点火器２及び前記ダ
イオード３ａと逆性のダイオード３ｂを備えた点
火器作動回路２０を並設し、前記衝突センサース
イツチ１３の作動によつて正常時と衝突時に電流
の極性を反転させるようにしたことを特徴とする
エアバツグ装置を装備したステアリングホイー
ル。 Diode 3a and collision sensor switch 13
An igniter operating circuit 20 including an igniter 2 and a diode 3b having the opposite polarity to the diode 3a is installed in parallel with the horn operating circuit, and the current is changed during normal operation and during a collision by the operation of the collision sensor switch 13. A steering wheel equipped with an air bag device characterized by reversing the polarity of the steering wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2370588U JPH0454048Y2 (en) | 1988-02-26 | 1988-02-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2370588U JPH0454048Y2 (en) | 1988-02-26 | 1988-02-26 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01128442U JPH01128442U (en) | 1989-09-01 |
| JPH0454048Y2 true JPH0454048Y2 (en) | 1992-12-18 |
Family
ID=31242916
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2370588U Expired JPH0454048Y2 (en) | 1988-02-26 | 1988-02-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0454048Y2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0727245Y2 (en) * | 1989-09-19 | 1995-06-21 | 本田技研工業株式会社 | Vehicle accident reporting device with occupant protection device |
| JP2545532Y2 (en) * | 1990-07-21 | 1997-08-25 | 富士通テン株式会社 | Air bag ignition device |
-
1988
- 1988-02-26 JP JP2370588U patent/JPH0454048Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH01128442U (en) | 1989-09-01 |
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