JP4306472B2 - 短絡検出回路装置 - Google Patents
短絡検出回路装置 Download PDFInfo
- Publication number
- JP4306472B2 JP4306472B2 JP2004020073A JP2004020073A JP4306472B2 JP 4306472 B2 JP4306472 B2 JP 4306472B2 JP 2004020073 A JP2004020073 A JP 2004020073A JP 2004020073 A JP2004020073 A JP 2004020073A JP 4306472 B2 JP4306472 B2 JP 4306472B2
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- self
- diagnosis
- short
- signal
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/28—Testing of electronic circuits, e.g. by signal tracer
- G01R31/282—Testing of electronic circuits specially adapted for particular applications not provided for elsewhere
- G01R31/2829—Testing of circuits in sensor or actuator systems
-
- 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
- B60R21/0132—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 vehicle motion parameters, e.g. to vehicle longitudinal or transversal deceleration or speed value
-
- 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
- B60R2021/01129—Problems or faults
- B60R2021/01143—Short circuits
-
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/005—Testing of electric installations on transport means
- G01R31/006—Testing of electric installations on transport means on road vehicles, e.g. automobiles or trucks
- G01R31/007—Testing of electric installations on transport means on road vehicles, e.g. automobiles or trucks using microprocessors or computers
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Electromagnetism (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Air Bags (AREA)
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
Description
本実施例は、自動車のSRSエアバッグ装置に用いられているGセンサの自己診断回路に本発明を適用したものである。図1及び図2に本実施例の短絡検出回路装置のブロック図を示す。この短絡検出回路装置は、自己診断信号発生器1と、Gxセンサ20及びGyセンサ30と、自己診断回路2(第1回路)及び自己診断回路3(第2回路)と、A/Dコンバータ41、42と、信号処理器5とから構成され、ECU内に配置されている。なお信号処理器5が本発明にいう信号処理部と短絡監視部を兼ねている。また自己診断回路2及び自己診断回路3とA/Dコンバータ41、42を結ぶ導線が、それぞれ本発明にいう第1導線及び第2導線を構成している。
本実施例の短絡検出回路装置は、図3に示すように、自己診断発生器1からのトリガ信号10が二つに分岐して自己診断回路2及び自己診断回路3に同時に出力されるように構成されたこと以外は実施例1と同様である。
Claims (4)
- それぞれ自己診断回路を構成しアナログ信号を出力する第1回路及び第2回路と、該第1回路及び該第2回路の出力信号をそれぞれ処理する信号処理部と、該第1回路と該信号処理部を接続する第1導線と、該第2回路と該信号処理部を接続する第2導線と、該信号処理部に入力される該第1回路及び該第2回路の少なくとも一方の該アナログ信号を解析し該第1導線と該第2導線との短絡を監視する短絡監視部と、を有し、
該第1回路と該第2回路は互いに位相の正負が逆のアナログ信号を出力することを特徴とする短絡検出回路装置。 - 前記第1回路及び前記第2回路は同時にアナログ信号を出力する請求項1に記載の短絡検出回路装置。
- 前記第1回路及び前記第2回路はそれぞれエアバッグ装置におけるGセンサの自己診断回路である請求項1又は請求項2に記載の短絡検出回路装置。
- 自己診断信号発生部をさらに備え、前記第1回路及び前記第2回路は該自己診断信号発生部からのトリガ信号によって前記アナログ信号を同時に出力する請求項2又は請求項3に記載の短絡検出回路装置。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004020073A JP4306472B2 (ja) | 2004-01-28 | 2004-01-28 | 短絡検出回路装置 |
US11/004,906 US7236867B2 (en) | 2004-01-28 | 2004-12-07 | Short-circuit detecting circuit device |
DE102005001686.3A DE102005001686B4 (de) | 2004-01-28 | 2005-01-13 | Schaltungsanordung zum Detektieren eines Kurzschlusses |
CNB200510006819XA CN100371723C (zh) | 2004-01-28 | 2005-01-28 | 短路检测电路装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004020073A JP4306472B2 (ja) | 2004-01-28 | 2004-01-28 | 短絡検出回路装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005212560A JP2005212560A (ja) | 2005-08-11 |
JP4306472B2 true JP4306472B2 (ja) | 2009-08-05 |
Family
ID=34792598
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004020073A Expired - Fee Related JP4306472B2 (ja) | 2004-01-28 | 2004-01-28 | 短絡検出回路装置 |
Country Status (4)
Country | Link |
---|---|
US (1) | US7236867B2 (ja) |
JP (1) | JP4306472B2 (ja) |
CN (1) | CN100371723C (ja) |
DE (1) | DE102005001686B4 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2014153204A (ja) * | 2013-02-08 | 2014-08-25 | Denso Corp | 容量式物理量検出装置 |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007245898A (ja) * | 2006-03-15 | 2007-09-27 | Denso Corp | センサ異常検出装置 |
JP5144169B2 (ja) * | 2007-08-17 | 2013-02-13 | 本田技研工業株式会社 | コージェネレーション装置 |
DE102015218959A1 (de) * | 2015-09-30 | 2017-03-30 | Zf Friedrichshafen Ag | Diagnose eines Steuergeräts |
KR102675921B1 (ko) * | 2019-11-07 | 2024-06-17 | 엘지디스플레이 주식회사 | 표시 장치 및 표시 장치의 데이터 링크 라인 결함 검출 방법 |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5050187A (en) * | 1988-04-12 | 1991-09-17 | The Furukawa Electric Co., Ltd. | Communication system equipped with an AC coupling receiver circuit |
JPH0818529B2 (ja) * | 1990-11-20 | 1996-02-28 | 三菱電機株式会社 | 乗員保護装置の故障検出装置 |
US5227984A (en) * | 1991-03-08 | 1993-07-13 | John Fluke Mfg. Co., Inc. | Instrument with continuity capture feature |
IT1250830B (it) * | 1991-07-31 | 1995-04-21 | St Microelectronics Srl | Dispositivo di rilevamento di guasto in circuiti di pilotaggio. |
JPH0674989A (ja) * | 1992-08-25 | 1994-03-18 | Fujitsu Ltd | プリント回路板の短絡故障診断方法 |
DE4313532B4 (de) * | 1993-04-24 | 2007-08-30 | Robert Bosch Gmbh | Verfahren zur Überprüfung einer Endstufe |
CN2185899Y (zh) * | 1993-08-12 | 1994-12-21 | 湖北省电力试验研究所 | 发电机转子绕组动态匝间短路在线探测装置 |
DE4403899B4 (de) * | 1994-02-08 | 2007-12-13 | Robert Bosch Gmbh | Vorrichtung zur seriellen Übertragung von Daten zwischen mindestens zwei Stationen |
JPH07257314A (ja) * | 1994-03-22 | 1995-10-09 | Kansei Corp | 点火装置駆動回路の診断回路 |
US6163082A (en) * | 1996-06-13 | 2000-12-19 | Hitachi, Ltd. | Power supplying apparatus for a vehicle and an intensive wiring apparatus |
US5754963A (en) * | 1996-07-30 | 1998-05-19 | Hitachi America, Ltd. | Method and apparatus for diagnosing and isolating faulty sensors in a redundant sensor system |
DE19721366A1 (de) * | 1997-05-22 | 1998-11-26 | Bosch Gmbh Robert | Elektrische Schaltungsanordnung |
JP2000145005A (ja) | 1998-11-09 | 2000-05-26 | Misawa Homes Co Ltd | 軒天井構造及び軒天井の施工方法 |
DE19855006C2 (de) * | 1998-11-20 | 2003-11-20 | Siemens Ag | Verfahren zum Erzeugen eines einen Kurzschluß kennzeichnenden Fehlersignals |
JP2001187556A (ja) * | 1999-12-28 | 2001-07-10 | Calsonic Kansei Corp | 乗員保護装置 |
US7188037B2 (en) * | 2004-08-20 | 2007-03-06 | Microcraft | Method and apparatus for testing circuit boards |
-
2004
- 2004-01-28 JP JP2004020073A patent/JP4306472B2/ja not_active Expired - Fee Related
- 2004-12-07 US US11/004,906 patent/US7236867B2/en not_active Expired - Fee Related
-
2005
- 2005-01-13 DE DE102005001686.3A patent/DE102005001686B4/de not_active Expired - Fee Related
- 2005-01-28 CN CNB200510006819XA patent/CN100371723C/zh not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2014153204A (ja) * | 2013-02-08 | 2014-08-25 | Denso Corp | 容量式物理量検出装置 |
Also Published As
Publication number | Publication date |
---|---|
DE102005001686B4 (de) | 2014-05-28 |
JP2005212560A (ja) | 2005-08-11 |
CN1648677A (zh) | 2005-08-03 |
CN100371723C (zh) | 2008-02-27 |
DE102005001686A1 (de) | 2005-08-18 |
US20050165529A1 (en) | 2005-07-28 |
US7236867B2 (en) | 2007-06-26 |
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