JPH11500218A - 圧力変換器例えば自動車における側面衝突を検出するための圧力変換器 - Google Patents
圧力変換器例えば自動車における側面衝突を検出するための圧力変換器Info
- Publication number
- JPH11500218A JPH11500218A JP8524574A JP52457496A JPH11500218A JP H11500218 A JPH11500218 A JP H11500218A JP 8524574 A JP8524574 A JP 8524574A JP 52457496 A JP52457496 A JP 52457496A JP H11500218 A JPH11500218 A JP H11500218A
- Authority
- JP
- Japan
- Prior art keywords
- pressure
- pressure transducer
- signal
- sensor device
- amount
- 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
- 230000008859 change Effects 0.000 claims abstract description 36
- 230000035945 sensitivity Effects 0.000 claims abstract description 18
- 238000005259 measurement Methods 0.000 claims description 16
- 230000001419 dependent effect Effects 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 5
- 230000010355 oscillation Effects 0.000 claims 2
- 230000002277 temperature effect Effects 0.000 abstract 1
- 239000003570 air Substances 0.000 description 9
- 238000010586 diagram Methods 0.000 description 8
- 230000003321 amplification Effects 0.000 description 7
- 239000011796 hollow space material Substances 0.000 description 7
- 238000003199 nucleic acid amplification method Methods 0.000 description 7
- 230000035939 shock Effects 0.000 description 4
- 230000010354 integration Effects 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 241001600434 Plectroglyphidodon lacrymatus Species 0.000 description 2
- 239000012080 ambient air Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
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- 230000003068 static effect Effects 0.000 description 2
- 108010014172 Factor V Proteins 0.000 description 1
- 101150108435 GLK1 gene Proteins 0.000 description 1
- 101150040901 GLK2 gene Proteins 0.000 description 1
- NGBFQHCMQULJNZ-UHFFFAOYSA-N Torsemide Chemical compound CC(C)NC(=O)NS(=O)(=O)C1=CN=CC=C1NC1=CC=CC(C)=C1 NGBFQHCMQULJNZ-UHFFFAOYSA-N 0.000 description 1
- 101100229372 Trypanosoma brucei brucei GK gene Proteins 0.000 description 1
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- 230000005540 biological transmission Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
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- 238000009795 derivation Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000009191 jumping Effects 0.000 description 1
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- 238000012544 monitoring process Methods 0.000 description 1
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- 230000000630 rising effect Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/01—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents
- B60R21/013—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents including means for detecting collisions, impending collisions or roll-over
- B60R21/0136—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents including means for detecting collisions, impending collisions or roll-over responsive to actual contact with an obstacle, e.g. to vehicle deformation, bumper displacement or bumper velocity relative to the vehicle
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L19/00—Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
- G01L19/02—Arrangements for preventing, or for compensating for, effects of inclination or acceleration of the measuring device; Zero-setting means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L9/00—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means
- G01L9/02—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means by making use of variations in ohmic resistance, e.g. of potentiometers, electric circuits therefor, e.g. bridges, amplifiers or signal conditioning
- G01L9/04—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means by making use of variations in ohmic resistance, e.g. of potentiometers, electric circuits therefor, e.g. bridges, amplifiers or signal conditioning of resistance-strain gauges
- G01L9/045—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means by making use of variations in ohmic resistance, e.g. of potentiometers, electric circuits therefor, e.g. bridges, amplifiers or signal conditioning of resistance-strain gauges with electric temperature compensating means
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Measuring Fluid Pressure (AREA)
Abstract
Description
Claims (1)
- 【特許請求の範囲】 1.圧力変換器例えば自動車における側面衝突を検出するための圧力変換器であ って、 前記圧力変換器は圧力信号を電気的な有効信号(Un(t))に変換し、前記 有効信号(Un(t))を、可変な感度を有するセンサ装置(1)の出力信号( Ux(t))により定め、 前記センサ装置(1)と制御装置(2)とが単一ループ形閉ループ制御回路を 形成し、 前記制御装置(2)の制御差(Uxd)を、目標値(Uw)と前記センサ装置( 1)の前記出力信号(Ux(t))とにより決める圧力変換器において、 前記センサ装置(1)の前記出力信号(Ux(t))を測定全圧力(p)によ り定め、 前記センサ装置(1)の感度が前記制御装置(2)の操作量(Uy)に依存し 、 前記制御装置(2)が積分特性を有し、前記制御装置(2)の積分時定数が、 前記圧力信号(p(t))の急速な変化(Δp)の基本振動の周期持続時間に比 して少なくとも係数2だけ大きいことを特徴とする圧力変換器。 2.制御差(Uxd)が目標値(Uw)とオフセット量(Uos)との和に依存し、 前記オフセット量(Uos)を、圧力変換器の構成要素のオフセット誤 差及び同相誤差により定めることを特徴とする請求項1に記載の圧力変換器。 3.オフセット量が一定のオフセット量(Uosk)とダイナミックオフセット量 (Uosd)とに依存し、前記ダイナミックオフセット量(Uosd)を制御装置(2 )の操作量(Uy)により定めることを特徴とする請求項2に記載の圧力変換器 。 4.制御装置(2)の積分時定数が、圧力信号(p(t))の急速な変化の基本 振動の周期持続時間に比して少なくとも係数4だけ大きいことを特徴とする請求 項1に記載の圧力変換器。 5.センサ装置(1)が、全圧力(p)を測定するための圧力に依存する抵抗( 111)を有するセンサを有することを特徴とする請求項1に記載の圧力変換器 。 6.センサの圧力に依存する抵抗を抵抗測定ブリッジ回路(11)の中に配置し 、前記抵抗測定ブリッジ回路(11)のブリッジ供給電流/電圧(Ib/Ub) を制御装置(2)の操作量(Uy)により定め、センサ装置(1)の出力信号( Ux)を前記抵抗測定ブリッジ回路(11)のブリッジ回路対角点間電圧(Ud) により定めることを特徴とする請求項5に記載の圧力変換器。 7.2つの差動増幅器(12)及び(13)が、ブリッジ回路対角点間電圧(Ud )、目標値(Uw)及 びオフセット量(Uos)を計算し、前記オフセット量(Uos)が抵抗測定ブリッ ジ回路(11)のブリッジオフセット値(Soff)、前記差動増幅器(12)及 び(13)の共通の増幅器オフセット値(Voff)及び制御装置(2)の操作量 (Uy)に依存することを特徴とする請求項6に記載の圧力変換器。 8.制御装置(2)が積分器(22)を有し、制御差(Uxd)を測定増幅器(3 )により増幅し、前記積分器(22)の入力量と有効量(Un)とを、増幅した 前記制御差(Uxd)から導出することを特徴とする請求項1に記載の圧力変換器 。 9.測定増幅器(3)と積分器(22)とが動作点(Uap)を有し、制御差(Uxd )が前記動作点(Uap)の値をとることを特徴とする請求項8に記載の圧力変 換器。 10.制御装置(2)の操作量(Uy)をマイクロプロセッサにより監視し、前記 マイクロプロセッサは、前記操作量(Uy)が跳躍的に変化すると警報信号を出 力することを特徴とする請求項1に記載の圧力変換器。
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19506014.8 | 1995-02-17 | ||
| DE19506014A DE19506014C2 (de) | 1995-02-17 | 1995-02-17 | Druckmeßumformer, insbesondere zur Sensierung einer Seitenkollision bei einem Kraftfahrzeug |
| PCT/DE1996/000220 WO1996025651A1 (de) | 1995-02-17 | 1996-02-12 | Druckmessumformer, insbesondere zur sensierung einer seitenkollision bei einem kraftfahrzeug |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH11500218A true JPH11500218A (ja) | 1999-01-06 |
| JP3816105B2 JP3816105B2 (ja) | 2006-08-30 |
Family
ID=7754660
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP52457496A Expired - Fee Related JP3816105B2 (ja) | 1995-02-17 | 1996-02-12 | 自動車における衝突を検出するための感度調整機能を有する圧力センサシステム |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US5974892A (ja) |
| EP (1) | EP0809793B1 (ja) |
| JP (1) | JP3816105B2 (ja) |
| KR (1) | KR100422889B1 (ja) |
| DE (2) | DE19506014C2 (ja) |
| WO (1) | WO1996025651A1 (ja) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006337259A (ja) * | 2005-06-03 | 2006-12-14 | Denso Corp | 車両の衝突判定方法 |
| JP2007030799A (ja) * | 2005-07-29 | 2007-02-08 | Denso Corp | 車両用側面衝突検出装置 |
| JP2010195185A (ja) * | 2009-02-25 | 2010-09-09 | Denso Corp | 車両用衝突検知装置 |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19647408C1 (de) * | 1996-03-21 | 1997-11-13 | Siemens Ag | Druckaufnehmer |
| DE19830835C2 (de) * | 1998-07-09 | 2000-04-27 | Siemens Ag | Verfahren und System zum Auslösen eines Rückhaltemittels, insbesondere zum Seitenaufprallschutz, in einem Fahrzeug |
| DE10062427B4 (de) * | 2000-12-14 | 2005-10-27 | Conti Temic Microelectronic Gmbh | Anordnung zur Aufprallerkennung für ein Fahrzeug |
| DE10210925A1 (de) * | 2002-03-13 | 2003-10-02 | Bosch Gmbh Robert | Verfahren zur Überprüfung der Funktionsfähigkeit eines Drucksensors |
| JP2006306160A (ja) * | 2005-04-26 | 2006-11-09 | Denso Corp | 車両用衝突検知システム |
| JP2006306155A (ja) * | 2005-04-26 | 2006-11-09 | Denso Corp | 車両用衝突検知システム |
| JP2007137333A (ja) * | 2005-11-21 | 2007-06-07 | Denso Corp | 車両用乗員保護装置 |
| JP4893053B2 (ja) * | 2006-03-24 | 2012-03-07 | 株式会社デンソー | 物理量検出装置 |
| JP4670709B2 (ja) * | 2006-03-31 | 2011-04-13 | 株式会社デンソー | 車両用衝突検知システム |
| DE102008001393A1 (de) | 2008-04-25 | 2009-10-29 | Robert Bosch Gmbh | Luftdrucksensor zur Aufprallerkennung |
| JP2009300364A (ja) * | 2008-06-17 | 2009-12-24 | Denso Corp | 側面衝突検出装置 |
| DE102009000196A1 (de) | 2009-01-14 | 2010-07-15 | Robert Bosch Gmbh | Bremsscheibe |
| US20100179731A1 (en) * | 2009-01-15 | 2010-07-15 | Ford Global Technologies, Llc | System and method for performing vehicle side impact sensing with unit area impulse technique |
| DE102009034419B4 (de) | 2009-07-23 | 2016-09-29 | Siemens Aktiengesellschaft | Feldgerät zur Prozessinstrumentierung |
| DE102012018214B4 (de) * | 2012-09-14 | 2014-04-30 | Audi Ag | Kraftfahrzeug mit einer Insassenschutzeinrichtung |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3717038A (en) * | 1971-04-30 | 1973-02-20 | Gen Electric | Direct current pressure ratio circuit |
| US3841150A (en) * | 1973-11-02 | 1974-10-15 | Honeywell Inc | Strain gauge transducer signal conditioning circuitry |
| US4190796A (en) * | 1977-06-02 | 1980-02-26 | Tokyo Shibaura Electric Company, Limited | Pressure detecting apparatus having linear output characteristic |
| US4414853A (en) * | 1981-08-10 | 1983-11-15 | The Foxboro Company | Pressure transmitter employing non-linear temperature compensation |
| US4598381A (en) * | 1983-03-24 | 1986-07-01 | Rosemount Inc. | Pressure compensated differential pressure sensor and method |
| DE3427743A1 (de) * | 1984-07-27 | 1986-02-06 | Keller AG für Druckmeßtechnik, Winterthur | Verfahren zur temperaturkompensation und messschaltung hierfuer |
| DE3908795A1 (de) * | 1989-03-17 | 1990-09-20 | Bosch Gmbh Robert | Verfahren und vorrichtung zur messung einer mechanischen verformung |
| US5287748A (en) * | 1992-05-01 | 1994-02-22 | Pitney Bowes Inc. | Method and apparatus for changing the sensitivity of a transducer |
| US5329818A (en) * | 1992-05-28 | 1994-07-19 | Rosemount Inc. | Correction of a pressure indication in a pressure transducer due to variations of an environmental condition |
| EP0667822B1 (de) * | 1992-11-11 | 1997-04-02 | Siemens Aktiengesellschaft | Steuereinheit mit einem luftdruckdetektor für ein insassenschutzsystem eines fahrzeuges |
| DE9215382U1 (de) * | 1992-11-11 | 1994-03-17 | Siemens AG, 80333 München | In einem Fahrzeug angebrachter Schalldetektor |
-
1995
- 1995-02-17 DE DE19506014A patent/DE19506014C2/de not_active Expired - Fee Related
-
1996
- 1996-02-12 WO PCT/DE1996/000220 patent/WO1996025651A1/de not_active Ceased
- 1996-02-12 DE DE59603486T patent/DE59603486D1/de not_active Expired - Fee Related
- 1996-02-12 KR KR1019970705523A patent/KR100422889B1/ko not_active Expired - Fee Related
- 1996-02-12 EP EP96902856A patent/EP0809793B1/de not_active Expired - Lifetime
- 1996-02-12 JP JP52457496A patent/JP3816105B2/ja not_active Expired - Fee Related
-
1997
- 1997-08-18 US US08/912,408 patent/US5974892A/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006337259A (ja) * | 2005-06-03 | 2006-12-14 | Denso Corp | 車両の衝突判定方法 |
| JP2007030799A (ja) * | 2005-07-29 | 2007-02-08 | Denso Corp | 車両用側面衝突検出装置 |
| JP2010195185A (ja) * | 2009-02-25 | 2010-09-09 | Denso Corp | 車両用衝突検知装置 |
| US8181730B2 (en) | 2009-02-25 | 2012-05-22 | Denso Corporation | Collision detection device for vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3816105B2 (ja) | 2006-08-30 |
| DE59603486D1 (de) | 1999-12-02 |
| EP0809793B1 (de) | 1999-10-27 |
| EP0809793A1 (de) | 1997-12-03 |
| KR100422889B1 (ko) | 2004-06-16 |
| DE19506014C2 (de) | 1998-05-20 |
| WO1996025651A1 (de) | 1996-08-22 |
| DE19506014A1 (de) | 1996-08-22 |
| US5974892A (en) | 1999-11-02 |
| KR19980702128A (ko) | 1998-07-15 |
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