JP3844251B2 - 乗員検知装置 - Google Patents
乗員検知装置 Download PDFInfo
- Publication number
- JP3844251B2 JP3844251B2 JP2004009637A JP2004009637A JP3844251B2 JP 3844251 B2 JP3844251 B2 JP 3844251B2 JP 2004009637 A JP2004009637 A JP 2004009637A JP 2004009637 A JP2004009637 A JP 2004009637A JP 3844251 B2 JP3844251 B2 JP 3844251B2
- Authority
- JP
- Japan
- Prior art keywords
- power supply
- occupant detection
- occupant
- warning
- resistor
- 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 - Fee Related
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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
- B60R21/015—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 the presence or position of passengers, passenger seats or child seats, and the related safety parameters therefor, e.g. speed or timing of airbag inflation in relation to occupant position or seat belt use
- B60R21/01512—Passenger detection systems
- B60R21/01516—Passenger detection systems using force or pressure sensing means
-
- 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
- B60R21/015—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 the presence or position of passengers, passenger seats or child seats, and the related safety parameters therefor, e.g. speed or timing of airbag inflation in relation to occupant position or seat belt use
- B60R21/01512—Passenger detection systems
- B60R21/01516—Passenger detection systems using force or pressure sensing means
- B60R21/0152—Passenger detection systems using force or pressure sensing means using strain gauges
-
- 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
- B60R2021/01122—Prevention of malfunction
- B60R2021/01184—Fault detection or diagnostic circuits
- B60R2021/01197—Warning devices
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Air Bags (AREA)
- Seats For Vehicles (AREA)
Description
Claims (4)
- 車室内のシートの荷重データを検出可能な荷重センサと、
該荷重センサの検出結果から該シートの乗員状態を判定する判定部と、該判定部および該荷重センサに車両バッテリよりも電圧が低い電源電圧を供給する電源部と、該判定部の判定結果を乗員保護装置に伝達する通信部と、を持つ乗員検知ECUと、
を備えてなる乗員検知装置であって、
さらに、前記電源部と前記荷重センサとを結ぶセンサ電源線には、短絡時の前記車両バッテリと該電源部との電位差により断線しかつ該荷重センサのダイナミックレンジに影響を与えない抵抗を持つ抵抗器が配置され、
該抵抗器と該電源部との間には、前記電源電圧よりも高くかつ前記乗員検知ECUの保証電圧よりも低い降伏電圧を持つツェナーダイオードが分岐接続されていることを特徴とする乗員検知装置。 - 前記乗員検知ECUは、前記シートの下に配置されている請求項1に記載の乗員検知装置。
- 前記乗員検知ECUは、警告装置に電気的に接続される警告用通信部を備え、該警告装置は、前記抵抗器が断線した場合、警告を発する請求項1に記載の乗員検知装置。
- 前記通信部は前記警告用通信部を兼ね、前記抵抗器が断線した場合、該通信部は前記乗員保護装置に故障を伝達し、該乗員保護装置に接続された前記警告装置により警告を発する請求項3に記載の乗員検知装置。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004009637A JP3844251B2 (ja) | 2004-01-16 | 2004-01-16 | 乗員検知装置 |
US10/996,438 US7205902B2 (en) | 2004-01-16 | 2004-11-26 | Vehicle occupant detection system |
DE102005001690A DE102005001690B4 (de) | 2004-01-16 | 2005-01-13 | Fahrzeuginsassen-Detektionssystem |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004009637A JP3844251B2 (ja) | 2004-01-16 | 2004-01-16 | 乗員検知装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005199928A JP2005199928A (ja) | 2005-07-28 |
JP3844251B2 true JP3844251B2 (ja) | 2006-11-08 |
Family
ID=34737321
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004009637A Expired - Fee Related JP3844251B2 (ja) | 2004-01-16 | 2004-01-16 | 乗員検知装置 |
Country Status (3)
Country | Link |
---|---|
US (1) | US7205902B2 (ja) |
JP (1) | JP3844251B2 (ja) |
DE (1) | DE102005001690B4 (ja) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4339368B2 (ja) * | 2007-03-06 | 2009-10-07 | カルソニックカンセイ株式会社 | 車両用乗員検知装置 |
US8170745B1 (en) * | 2007-09-10 | 2012-05-01 | Jean-Pierre Lors | Seat occupancy verification system for motor vehicles |
US8050854B1 (en) | 2007-11-26 | 2011-11-01 | Rhythm Engineering, LLC | Adaptive control systems and methods |
US10442328B2 (en) * | 2016-06-21 | 2019-10-15 | Kongsberg Automotive Ab | Assembly, system, and circuit with combined heating and occupancy detecting for a vehicle seat |
WO2023168060A1 (en) | 2022-03-04 | 2023-09-07 | Gentherm Incorporated | Method for estimating surface temperature |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3359792B2 (ja) * | 1995-09-06 | 2002-12-24 | 三菱電機株式会社 | 車両用交流発電機の制御装置 |
US6257363B1 (en) * | 1997-12-16 | 2001-07-10 | Nsk Ltd. | Automotive passenger restraint and protection apparatus |
JP3747618B2 (ja) * | 1998-03-17 | 2006-02-22 | 株式会社デンソー | 電源回路 |
JP2000299922A (ja) * | 1999-02-12 | 2000-10-24 | Yazaki Corp | 電源供給制御装置および電源供給制御方法 |
JP4185640B2 (ja) * | 1999-12-24 | 2008-11-26 | アイシン精機株式会社 | 車両用シート |
JP4152628B2 (ja) | 2001-12-25 | 2008-09-17 | アイシン・エィ・ダブリュ株式会社 | 他車認識装置、他車認識方法及びプログラム |
JP3934016B2 (ja) * | 2002-09-06 | 2007-06-20 | 株式会社デンソー | 車両乗員検知装置 |
JP2004122927A (ja) * | 2002-10-02 | 2004-04-22 | Denso Corp | 車両乗員検知装置 |
JP4082221B2 (ja) * | 2003-01-21 | 2008-04-30 | 株式会社デンソー | 車両用電子制御装置及び車両乗員検知装置 |
-
2004
- 2004-01-16 JP JP2004009637A patent/JP3844251B2/ja not_active Expired - Fee Related
- 2004-11-26 US US10/996,438 patent/US7205902B2/en active Active
-
2005
- 2005-01-13 DE DE102005001690A patent/DE102005001690B4/de not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JP2005199928A (ja) | 2005-07-28 |
US20050156467A1 (en) | 2005-07-21 |
US7205902B2 (en) | 2007-04-17 |
DE102005001690A1 (de) | 2005-08-04 |
DE102005001690B4 (de) | 2011-07-14 |
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