JP2022052096A - 車両用灯具システム - Google Patents
車両用灯具システム Download PDFInfo
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- JP2022052096A JP2022052096A JP2020158281A JP2020158281A JP2022052096A JP 2022052096 A JP2022052096 A JP 2022052096A JP 2020158281 A JP2020158281 A JP 2020158281A JP 2020158281 A JP2020158281 A JP 2020158281A JP 2022052096 A JP2022052096 A JP 2022052096A
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- 238000001514 detection method Methods 0.000 claims abstract description 33
- 230000007704 transition Effects 0.000 claims description 7
- 238000010586 diagram Methods 0.000 description 10
- 230000007423 decrease Effects 0.000 description 3
- 101150080085 SEG1 gene Proteins 0.000 description 1
- 101100421134 Schizosaccharomyces pombe (strain 972 / ATCC 24843) sle1 gene Proteins 0.000 description 1
- 230000005856 abnormality Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/20—Responsive to malfunctions or to light source life; for protection
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q11/00—Arrangement of monitoring devices for devices provided for in groups B60Q1/00 - B60Q9/00
- B60Q11/005—Arrangement of monitoring devices for devices provided for in groups B60Q1/00 - B60Q9/00 for lighting devices, e.g. indicating if lamps are burning or not
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/30—Driver circuits
- H05B45/37—Converter circuits
- H05B45/3725—Switched mode power supply [SMPS]
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
- B60Q1/02—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments
- B60Q1/04—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q11/00—Arrangement of monitoring devices for devices provided for in groups B60Q1/00 - B60Q9/00
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/40—Details of LED load circuits
- H05B45/44—Details of LED load circuits with an active control inside an LED matrix
- H05B45/46—Details of LED load circuits with an active control inside an LED matrix having LEDs disposed in parallel lines
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/50—Circuit arrangements for operating light-emitting diodes [LED] responsive to malfunctions or undesirable behaviour of LEDs; responsive to LED life; Protective circuits
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/10—Controlling the light source
- H05B47/155—Coordinated control of two or more light sources
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/20—Responsive to malfunctions or to light source life; for protection
- H05B47/21—Responsive to malfunctions or to light source life; for protection of two or more light sources connected in parallel
- H05B47/22—Responsive to malfunctions or to light source life; for protection of two or more light sources connected in parallel with communication between the lamps and a central unit
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q2900/00—Features of lamps not covered by other groups in B60Q
- B60Q2900/40—Several lamps activated in sequence, e.g. sweep effect, progressive activation
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lighting Device Outwards From Vehicle And Optical Signal (AREA)
Abstract
【解決手段】車両用灯具システムは、複数の光源と、複数の光源に駆動電圧を供給する電源と、複数の光源の各々を個別に点灯状態と消灯状態を制御する制御装置と、制御装置と接続されており複数の光源の故障を検出する故障検出回路と、を含む。制御装置は、車両の始動に対応して複数の光源の全てを消灯状態から点灯状態へ制御した後に当該複数の光源を順次個別に消灯状態へ制御するとともに、その際、少なくとも複数の光源の各々が消灯状態から点灯状態へ遷移する期間において故障検出回路による故障の検出結果を取得して当該故障がある場合にワーニング信号を生成する。
【選択図】図4
Description
Claims (5)
- 複数の光源と、
前記複数の光源に駆動電圧を供給する電源と、
前記複数の光源の各々を個別に点灯状態と消灯状態を制御する制御装置と、
前記制御装置と接続されており前記複数の光源の故障を検出する故障検出回路と、
を含み、
前記制御装置は、前記車両の始動に対応して前記複数の光源の全てを消灯状態から点灯状態へ制御した後に当該複数の光源を順次個別に消灯状態へ制御するとともに、その際、少なくとも前記複数の光源の各々が前記消灯状態から前記点灯状態へ遷移する期間において前記故障検出回路による前記故障の検出結果を取得して当該故障がある場合にワーニング信号を生成する、
車両用灯具システム。 - 前記制御装置は、前記車両から得られる信号に基づいて前記車両の始動を検出する、
請求項1に記載の車両用灯具システム。 - 前記制御装置は、前記車両の始動に対応して前記複数の光源の全てを消灯状態から点灯状態へ制御した後に当該複数の光源を順次個別に消灯状態へ制御することを複数回繰り返して実行し、当該複数回の実行の都度、少なくとも前記複数の光源の全てが前記消灯状態から前記点灯状態へ遷移する期間において前記故障検出回路による前記故障の検出結果を取得して当該故障がある場合にワーニング信号を生成する、
請求項1又は2に記載の車両用灯具システム。 - 前記制御装置は、前記車両の始動に対応して前記複数の光源の全てを消灯状態から点灯状態へ制御した後に当該複数の光源を順次個別に消灯状態へ制御する際に、前記複数の光源の各々について前記点灯状態から前記消灯状態へ移行する間に当該点灯状態と消灯状態の間の特定の明るさである中間調状態を維持する期間が存在するように制御する、
請求項1~3の何れか1項に記載の車両用灯具システム。 - 前記複数の光源の各々が前記消灯状態から前記点灯状態へ遷移する期間を実質的に同じ長さとする、
請求項1~4の何れか1項に記載の車両用灯具システム。
Priority Applications (3)
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JP2020158281A JP7542375B2 (ja) | 2020-09-23 | 2020-09-23 | 車両用灯具システム |
CN202111108610.XA CN114258173A (zh) | 2020-09-23 | 2021-09-22 | 车辆用灯具系统 |
US17/482,378 US11464100B2 (en) | 2020-09-23 | 2021-09-22 | Vehicle headlight system |
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JP2020158281A JP7542375B2 (ja) | 2020-09-23 | 2020-09-23 | 車両用灯具システム |
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JP2022052096A true JP2022052096A (ja) | 2022-04-04 |
JP7542375B2 JP7542375B2 (ja) | 2024-08-30 |
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JP2020158281A Active JP7542375B2 (ja) | 2020-09-23 | 2020-09-23 | 車両用灯具システム |
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US (1) | US11464100B2 (ja) |
JP (1) | JP7542375B2 (ja) |
CN (1) | CN114258173A (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112118655A (zh) * | 2020-09-07 | 2020-12-22 | 漳州立达信光电子科技有限公司 | Led控制电路及led灯具 |
JP7256785B2 (ja) * | 2020-12-02 | 2023-04-12 | 本田技研工業株式会社 | 情報管理装置および情報管理システム |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008049974A (ja) | 2006-08-28 | 2008-03-06 | Nippon Yusoki Co Ltd | 電灯駆動装置 |
CN102197707B (zh) * | 2008-10-30 | 2014-05-07 | 三菱电机株式会社 | Led点亮电源及led点亮系统 |
JP2010135136A (ja) * | 2008-12-03 | 2010-06-17 | Panasonic Electric Works Co Ltd | Led点灯装置 |
JP6130105B2 (ja) | 2012-07-05 | 2017-05-17 | 株式会社小糸製作所 | 車両用灯具システム |
WO2016148234A1 (ja) | 2015-03-17 | 2016-09-22 | 本田技研工業株式会社 | 小型車両用方向指示装置 |
JP6849342B2 (ja) * | 2016-08-16 | 2021-03-24 | 株式会社小糸製作所 | 点灯回路および車両用灯具 |
JP7023648B2 (ja) * | 2017-09-22 | 2022-02-22 | 株式会社小糸製作所 | 点灯回路および車両用灯具 |
JP7003769B2 (ja) * | 2018-03-22 | 2022-01-21 | トヨタ自動車株式会社 | 車両用光源制御装置及び車両用光源制御プログラム |
JP7194570B2 (ja) * | 2018-11-29 | 2022-12-22 | 株式会社小糸製作所 | ランプ故障検出装置、ランプ故障検出装置の設定方法、光源故障検出装置、光源故障検出装置の設定方法、およびランプアセンブリ |
AU2019402980A1 (en) * | 2018-12-18 | 2021-07-08 | Mtd Products Inc | Method for led fault detection and mechanism having led fault detection |
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2020
- 2020-09-23 JP JP2020158281A patent/JP7542375B2/ja active Active
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2021
- 2021-09-22 CN CN202111108610.XA patent/CN114258173A/zh active Pending
- 2021-09-22 US US17/482,378 patent/US11464100B2/en active Active
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Publication number | Publication date |
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CN114258173A (zh) | 2022-03-29 |
US11464100B2 (en) | 2022-10-04 |
JP7542375B2 (ja) | 2024-08-30 |
US20220095442A1 (en) | 2022-03-24 |
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