JPS61185648U - - Google Patents
Info
- Publication number
- JPS61185648U JPS61185648U JP7019885U JP7019885U JPS61185648U JP S61185648 U JPS61185648 U JP S61185648U JP 7019885 U JP7019885 U JP 7019885U JP 7019885 U JP7019885 U JP 7019885U JP S61185648 U JPS61185648 U JP S61185648U
- Authority
- JP
- Japan
- Prior art keywords
- motor
- control circuit
- seat belt
- belt device
- device control
- 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
- 238000001514 detection method Methods 0.000 claims description 6
- 238000010586 diagram Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 1
Landscapes
- Automotive Seat Belt Assembly (AREA)
- Stopping Of Electric Motors (AREA)
Description
第１図は本考案の実施例に係るシートベルト装
置制御回路図、第２図はシートベルト装置を乗員
が装着した状態を示す側面図、第３図は第２図の
−線位置へアンカープレートが移動した状態
での−線拡大断面図、第４図はガイドレール
内に収容されたアンカープレートを駆動する可撓
性テープとスプロケツトとの関係を示す分解斜視
図、第５図はモータに流れる電流を時間の関数と
して示した線図、第６図は第５図に対応したマイ
クロコンピユータ６８の出力波形図、第７図及び
第８図は制御フローチヤート、第９図は本考案の
第２実施例を示す制御回路の部分図、第１０図は
本考案の第３実施例を示す制御回路の部分図、第
１１図は従来例の問題点を示す第２図に対応した
側面図である。
１４……ウエビング、６０……装着位置検出ス
イツチ、６２……解除位置検出スイツチ、６４…
…シートスイツチ、６６……ドアスイツチ、８２
……抵抗器（モータ電流検出用）、９０……比較
器、Ｒｘ……サーミスタ。
Fig. 1 is a seat belt device control circuit diagram according to an embodiment of the present invention, Fig. 2 is a side view showing a state in which the seat belt device is worn by an occupant, and Fig. 3 is an anchor plate placed at the - line position in Fig. 2. Figure 4 is an exploded perspective view showing the relationship between the sprocket and the flexible tape that drives the anchor plate housed in the guide rail. A diagram showing the current as a function of time, FIG. 6 is an output waveform diagram of the microcomputer 68 corresponding to FIG. 5, FIGS. 7 and 8 are control flow charts, and FIG. FIG. 10 is a partial diagram of a control circuit showing a third embodiment of the present invention, and FIG. 11 is a side view corresponding to FIG. 2 showing problems in the conventional example. . 14... Webbing, 60... Installation position detection switch, 62... Release position detection switch, 64...
...Seat switch, 66...Door switch, 82
...Resistor (for motor current detection), 90...Comparator, Rx...Thermistor.
Claims (1)
せてウエビングの装着及び解除を行うシートベル
ト装置に用いられ、ウエビング先端部を移動させ
るモータに直列接続されたモータ電流検出用抵抗
器と、モータ電流検出用抵抗器の端子間電圧が入
力され基準電圧と比較してモータ過電流信号を出
力する比較器と、モータを起動して一定時間経過
後にモータ過電流信号が入力された場合にモータ
を一定時間オフするモータ一時停止手段と、を有
することを特徴とするシートベルト装置制御回路
。 (2) 比較器に入力される基準電圧はサーミスタ
を用いて温度上昇とともに降圧するようにした実
用新案登録請求の範囲第１項記載のシートベルト
装置制御回路。 (3) 前記構成に加えて温度検出回路を設け、モ
ータ一時停止手段は、温度が一定値以下の場合に
はモータ過電流信号が入力されてもモータをオフ
しない実用新案登録請求の範囲第１項記載のシー
トベルト装置制御回路。[Claims for Utility Model Registration] (1) A motor current used in a seat belt device that moves the webbing tip in the longitudinal direction of the vehicle to attach and release the webbing, and that is connected in series to the motor that moves the webbing tip. A detection resistor, a comparator that receives the voltage across the terminals of the motor current detection resistor, compares it with a reference voltage, and outputs a motor overcurrent signal. A seat belt device control circuit comprising: motor temporary stop means that turns off the motor for a certain period of time when an input is received. (2) The seat belt device control circuit according to claim 1, wherein the reference voltage input to the comparator is lowered as the temperature rises using a thermistor. (3) In addition to the above configuration, a temperature detection circuit is provided, and the motor temporary stop means does not turn off the motor even if a motor overcurrent signal is input when the temperature is below a certain value. Seatbelt device control circuit described in Section 1.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985070198U JPH0537723Y2 (en) | 1985-05-13 | 1985-05-13 | |
| US06/862,255 US4708365A (en) | 1985-05-13 | 1986-05-12 | Apparatus for controlling seatbelt system |
| AU37011/89A AU3701189A (en) | 1984-09-14 | 1989-06-23 | Silver halide color photographic material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985070198U JPH0537723Y2 (en) | 1985-05-13 | 1985-05-13 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61185648U true JPS61185648U (en) | 1986-11-19 |
| JPH0537723Y2 JPH0537723Y2 (en) | 1993-09-24 |
Family
ID=30606581
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1985070198U Expired - Lifetime JPH0537723Y2 (en) | 1984-09-14 | 1985-05-13 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0537723Y2 (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55155661U (en) * | 1979-04-23 | 1980-11-08 | ||
| JPS5639341U (en) * | 1979-09-03 | 1981-04-13 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5639341B2 (en) * | 1973-02-08 | 1981-09-12 |
-
1985
- 1985-05-13 JP JP1985070198U patent/JPH0537723Y2/ja not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55155661U (en) * | 1979-04-23 | 1980-11-08 | ||
| JPS5639341U (en) * | 1979-09-03 | 1981-04-13 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0537723Y2 (en) | 1993-09-24 |
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