JPS5812005U - Automobile tire pressure drop warning device - Google Patents
Automobile tire pressure drop warning deviceInfo
- Publication number
- JPS5812005U JPS5812005U JP10705881U JP10705881U JPS5812005U JP S5812005 U JPS5812005 U JP S5812005U JP 10705881 U JP10705881 U JP 10705881U JP 10705881 U JP10705881 U JP 10705881U JP S5812005 U JPS5812005 U JP S5812005U
- Authority
- JP
- Japan
- Prior art keywords
- engine
- air pressure
- automobile
- tire air
- tire
- 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
Landscapes
- Measuring Fluid Pressure (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
添付図面はこの考案の一実施例の自動車のタイヤ空気圧
低下警報装置のブロック図である。
１・・・・・・エンジンの負荷を検出する手段、２・・
・・・・タイヤの空気圧の低下をまＹ報する手段、３・
・・・・・ギヤ位置検出器、４・・・・・・車速検出器
、５・・・・・・吸入負圧算出器、６，１０，１４．２
１・・・・・・比較器、７゜１１・・・・・・ＡＮＤ回
路、８・・・・・・微分器、９，１３゜２０・・・・・
・絶対値算出器、１１・・・・・・ＡＮＤ回路、１２・
・・・・・車体傾斜角検出器、１５・・・・・・エンジ
ン回転数検出器、１６・・・・・・スロットル開度検出
器、１７・・・・・・エンジントルク算出器、１８・・
・・・・エンジントルク算出器、１９・・・・・・引算
器、２２・・・・・・エンジンの正常および異常を判断
する装置、２３・・・・・・駆動回路。２４・・・・・
・表示ランプ、２５・・・・・・速度？″−報発生器、
２６・・・・・・エンジンの負荷の増大が加速や登板に
よるものでないことを判断する装置、２７・・・・・・
空気圧低下の警報を発生する装置、２９・・・・・・速
度警報ブザ−，３０・・・・・・駆動回路。The accompanying drawing is a block diagram of an automobile tire pressure drop warning device according to an embodiment of the present invention. 1... Means for detecting engine load, 2...
・・・Means for reporting a decrease in tire air pressure, 3.
... Gear position detector, 4 ... Vehicle speed detector, 5 ... Suction negative pressure calculator, 6, 10, 14.2
1...Comparator, 7゜11...AND circuit, 8...Differentiator, 9,13゜20...
・Absolute value calculator, 11...AND circuit, 12・
... Vehicle inclination angle detector, 15 ... Engine rotation speed detector, 16 ... Throttle opening detector, 17 ... Engine torque calculator, 18・・・
...Engine torque calculator, 19...Subtractor, 22...Device for determining whether the engine is normal or abnormal, 23...Drive circuit. 24...
・Display lamp, 25...speed? ″-alarm generator,
26... Device that determines whether the increase in engine load is not due to acceleration or pitching, 27...
A device for generating an alarm for a decrease in air pressure, 29... Speed alarm buzzer, 30... Drive circuit.
Claims (6)
る自動車のタイヤ空気圧低下警報装置において、自動車
のエンジンの負荷を検出する手段と、この手段で検出さ
れたエンジンの負荷とあらかじめ記憶されたタイヤの空
気圧力瘤正常値である場合のエンジンの負荷とを比較し
、エンジンの負荷の増加がタイヤの空気圧の低下による
車輪のころがり抵抗の増加によるものと認められる場合
にタイヤの空気圧の低下を警報する手段と、を備えるこ
とを特徴とする自動車のタイヤ空気圧低下装置。(1) An automobile tire pressure drop warning device that warns of a drop in air pressure in a tire mounted on a wheel includes a means for detecting the load of the automobile engine, and a device that stores in advance the engine load detected by this means. Compare the engine load when the tire air pressure is normal and determine if the increase in engine load is due to an increase in wheel rolling resistance due to a drop in tire air pressure. An apparatus for reducing tire pressure of an automobile, comprising: means for issuing a warning.
エンジンの吸入負圧を検出するものであることを特徴と
する実用新案登録請求の範囲第１項記載の自動車のタイ
ヤ空気圧低下警報装置。(2) The means for detecting the load of the engine of the automobile,
The automobile tire air pressure drop warning device according to claim 1, which detects the intake negative pressure of the engine.
エンジンのスロットイレの開度を検出するものであるこ
とを特徴とする実用新案登録請求の範囲第１項記載の自
動車のタイヤ空気圧低下警報装置。(3) The means for detecting the load of the engine of the automobile,
The automobile tire air pressure drop warning device according to claim 1, which detects the opening degree of an engine slot inlet.
ンジン回転数とエンジン吸入負圧またはスロットル開度
とから求められる予定エンジントルクと実測のエンジン
トルクとを比較してエンジンの正常および異常を判断す
る装置と、車速を微分しかつ車体の傾きを検出して自動
車が平担な路面上を定速走行しており、エンジン負荷の
増大が加速や登板によるものでないことを判断する装置
と、前記の２装置によりエンジンが正常でかつ自動車が
平担な路面上を定速走行していると判断される場合にお
いて、車速とギヤ位置とから求められるタイヤの空気圧
が正常時のエンジンの予定吸入負圧またはスロットル開
度と、前記自動車のエンジンの負荷を検出する手段が求
めた実測のエンジンの吸入負圧またはスロットル開度と
を比較して、予定吸入負圧またはスロットル開度が実測
の吸入負圧またはスロットル開度と異なる場合に空気圧
低下の警報を発する装置と、を有することを特徴とする
実用新案登録請求の範囲第１項記載の自動車のタイヤ空
気圧警報装置。(4) The means for warning a decrease in tire air pressure compares a planned engine torque determined from engine rotational speed and engine suction negative pressure or throttle opening with an actual engine torque to determine whether the engine is normal or abnormal. a device that differentiates the vehicle speed and detects the inclination of the vehicle body to determine that the vehicle is traveling at a constant speed on a flat road surface and that the increase in engine load is not due to acceleration or climbing; When the above two devices determine that the engine is normal and the car is running at a constant speed on a flat road surface, the engine's scheduled intake when the tire air pressure determined from the vehicle speed and gear position is normal. The negative pressure or throttle opening is compared with the actually measured engine intake negative pressure or throttle opening determined by the means for detecting the engine load of the vehicle, and the planned intake negative pressure or throttle opening is determined to be the actual intake negative pressure or throttle opening. 2. A tire pressure warning device for an automobile according to claim 1, further comprising a device that issues a warning of a decrease in tire pressure when the pressure is different from a negative pressure or a throttle opening.
イヤの空気圧が低下した状態で自動車が所定車速以上で
走行している場合、これを運転者に認めさせる装置を有
することを特徴とする実用新案登録請求の範囲第１項記
載の自動車のタイヤ空気圧低下警報装置。(5) The means for warning a decrease in tire air pressure includes a device that allows the driver to acknowledge this when the vehicle is running at a predetermined vehicle speed or higher while the tire air pressure has decreased. A vehicle tire air pressure drop warning device as set forth in claim 1 of the utility model registration claim.
イヤの空気圧が低下した状態で自動車が所定車速以上で
走行した距離を積算して表示する表示装置を有すること
を特徴とする実用新案登録請求の範囲第５項記載の自動
車のタイヤ空気圧低下警報装置。(6) Registration of a utility model characterized in that the means for warning of a decrease in tire air pressure has a display device that integrates and displays the distance traveled by the automobile at a predetermined vehicle speed or higher while the tire air pressure has decreased. The automobile tire air pressure drop warning device according to claim 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10705881U JPS5812005U (en) | 1981-07-17 | 1981-07-17 | Automobile tire pressure drop warning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10705881U JPS5812005U (en) | 1981-07-17 | 1981-07-17 | Automobile tire pressure drop warning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5812005U true JPS5812005U (en) | 1983-01-26 |
Family
ID=29901507
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10705881U Pending JPS5812005U (en) | 1981-07-17 | 1981-07-17 | Automobile tire pressure drop warning device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5812005U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60139125U (en) * | 1984-02-21 | 1985-09-14 | 株式会社富士通ゼネラル | liquid fuel heater |
| JPS60165621U (en) * | 1984-04-11 | 1985-11-02 | 三菱電機株式会社 | combustion equipment vaporizer |
-
1981
- 1981-07-17 JP JP10705881U patent/JPS5812005U/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60139125U (en) * | 1984-02-21 | 1985-09-14 | 株式会社富士通ゼネラル | liquid fuel heater |
| JPS60165621U (en) * | 1984-04-11 | 1985-11-02 | 三菱電機株式会社 | combustion equipment vaporizer |
| JPH0229393Y2 (en) * | 1984-04-11 | 1990-08-07 |
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