KR102629648B1 - 강도 변조식 간섭성 광원을 포함하는 자동차용 조명 모듈 - Google Patents
강도 변조식 간섭성 광원을 포함하는 자동차용 조명 모듈 Download PDFInfo
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
- F21S41/10—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
- F21S41/14—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source characterised by the type of light source
- F21S41/16—Laser light sources
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
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- H05B45/10—Controlling the intensity of the light
- H05B45/14—Controlling the intensity of the light using electrical feedback from LEDs or from LED modules
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- 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
- B60Q1/0076—Switches therefor
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- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
- F21S41/10—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
- F21S41/14—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source characterised by the type of light source
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
- F21S41/10—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
- F21S41/14—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source characterised by the type of light source
- F21S41/141—Light emitting diodes [LED]
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- F21S41/14—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source characterised by the type of light source
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- F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
- F21S41/40—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by screens, non-reflecting members, light-shielding members or fixed shades
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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- F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
- F21S43/10—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by the light source
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
- F21V23/003—Arrangement of electric circuit elements in or on lighting devices the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array
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- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
- F21V23/04—Arrangement of electric circuit elements in or on lighting devices the elements being switches
- F21V23/0442—Arrangement of electric circuit elements in or on lighting devices the elements being switches activated by means of a sensor, e.g. motion or photodetectors
- F21V23/0464—Arrangement of electric circuit elements in or on lighting devices the elements being switches activated by means of a sensor, e.g. motion or photodetectors the sensor sensing the level of ambient illumination, e.g. dawn or dusk sensors
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- H01S5/00—Semiconductor lasers
- H01S5/06—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium
- H01S5/062—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium by varying the potential of the electrodes
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- H—ELECTRICITY
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- 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]
- H05B45/375—Switched mode power supply [SMPS] using buck topology
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- 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
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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
- H05B47/10—Controlling the light source
- H05B47/165—Controlling the light source following a pre-assigned programmed sequence; Logic control [LC]
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- F21S45/10—Protection of lighting devices
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- F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
- F21W2102/00—Exterior vehicle lighting devices for illuminating purposes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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- F21W2107/00—Use or application of lighting devices on or in particular types of vehicles
- F21W2107/10—Use or application of lighting devices on or in particular types of vehicles for land vehicles
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
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- F21Y2115/30—Semiconductor lasers
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Abstract
Description
도 2는 본 발명의 바람직한 일 실시예에 따른 방법의 주요 단계들을 나타내는 선도이다.
도 3은 본 발명의 바람직한 일 실시예에 따른 조명 모듈의 개략도이다.
도 4는 벅 변환기용 종래 기술의 전자 회로의 예시도이다.
도 5는 평균 출력 전류의 함수로서 시간 축에 기입한 벅 변환기의 출력 전류의 변화를 보이는 도면이다.
Claims (15)
- 간섭성 광을 방출하도록 구성된 광원(110, 210),
상기 광원(110, 210)에 의해 방출된 광의 강도를 변조 신호에 따라 변조하도록 구성된 변조 수단(120, 220), 및
상기 광원(110, 210)으로부터 나오는 입사 간섭성 광의 적어도 일부가 비간섭성 광으로 변환되게 하는 변환 수단(130, 230)을 포함하는
자동차용 조명 모듈(100, 200)에 있어서,
상기 모듈이 추가로,
상기 변환 수단(130, 230)의 하류에 배치된, 입사광의 광도의 변동을 나타내는 변동 신호를 생성하는 변동 신호 생성 수단(140, 240), 및
상기 변동 신호를 상기 변조 신호와 비교하도록, 그리고 상기 변동 신호와 상기 변조 신호의 비교에 후속하여 상기 광원의 작동을 제어하도록 구성된, 상기 광원(110, 210)을 제어하는 광원 제어 수단(150, 250)을 포함하는 것을 특징으로 하는
자동차용 조명 모듈. - 제 1 항에 있어서,
상기 변조 수단(120, 220)은 상기 광원(110, 210)으로 전력을 공급하는 전류를 조절하는 전류 조절 수단을 포함하는 것을 특징으로 하는
자동차용 조명 모듈. - 제 2 항에 있어서,
상기 전류 조절 수단은 벅 변환기(Buck converter)를 포함하는 것을 특징으로 하는
자동차용 조명 모듈. - 제 3 항에 있어서,
상기 벅 변환기는 선택된 쵸핑 주파수에 따르는 상이한 평균값들과 변경되지 않은 입력 전압 및 출력 전압을 갖는 전류를 공급하도록 구성된 것을 특징으로 하는
자동차용 조명 모듈. - 제 1 항 내지 제 4 항 중 어느 한 항에 있어서,
상기 변조 수단(120, 220)은 변조 신호 발생기를 포함하는 것을 특징으로 하는
자동차용 조명 모듈. - 제 1 항 내지 제 4 항 중 어느 한 항에 있어서,
상기 변환 수단(130, 230)은 발광 물질을 포함하는 것을 특징으로 하는
자동차용 조명 모듈. - 제 1 항 내지 제 4 항 중 어느 한 항에 있어서,
상기 변동 신호 생성 수단(140, 240)은 상기 광원(110, 210)에 의해 방출된 간섭성 광의 파장에 민감한 광 센서를 포함하는 것을 특징으로 하는
자동차용 조명 모듈. - 제 7 항에 있어서,
상기 광 센서는 상기 변환 수단(130, 230)에 의해 확산된 비간섭성 광의 파장에 민감한 것을 특징으로 하는
자동차용 조명 모듈. - 제 7 항에 있어서,
상기 변동 신호 생성 수단(140, 240)은 상기 광 센서에 기능할 수 있게 연결된 마이크로 컨트롤러를 포함하는 것을 특징으로 하는
자동차용 조명 모듈. - 제 1 항 내지 제 4 항 중 어느 한 항에 있어서,
상기 광원(110, 210)은 반도체 레이저 방식인 것을 특징으로 하는
자동차용 조명 모듈. - 제 1 항 내지 제 4 항 중 어느 한 항에 있어서,
상기 모듈이, 상기 변환 수단(230)에 의해 확산된 비간섭성 광의 적어도 일부가 적어도 하나의 사전에 결정된 방향으로 편향되도록 위치된 광학 요소(260)를 포함하는 것을 특징으로 하는
자동차용 조명 모듈. - 제 11 항에 있어서,
상기 광학 요소가 반사기 요소를 포함하고, 상기 변동 신호 생성 수단(240)의 광 센서가 상기 반사기 요소(260)의 반사면(262)에 수용된 것을 특징으로 하는
자동차용 조명 모듈. - 제 1 항 내지 제 4 항 중 어느 한 항에 따른 조명 모듈의 적어도 하나의 광원을 제어하는 광원 제어 방법으로서, 상기 광원이 간섭성 광을 방사 방향으로 방출하는, 광원 제어 방법에 있어서,
- 상기 광원에 의해 방출된 광의 강도를 변조 신호를 사용하여 변조하는 단계(10),
- 조명 모듈의 변동 신호 생성 수단에 입사하는 광의 광도의 변동을 나타내는 변동 신호를 생성하는 단계(20),
- 상기 변동 신호와 상기 변조 신호 중 적어도 하나의 특성을 비교하는 단계(30), 및
- 상기 비교된 특성 또는 특성들이 유사한 경우 상기 광원을 소등하는 단계(40)를 포함하는 것을 특징으로 하는
광원 제어 방법. - 제 13 항에 있어서,
상기 비교된 특성들은 상기 신호들의 주파수 또는 진폭을 포함하는 것을 특징으로 하는
광원 제어 방법. - 제 13 항에 있어서,
상기 비교된 특성들이 서로 20% 미만으로 차이가 나는 경우 상기 소등 단계가 실행되는 것을 특징으로 하는
광원 제어 방법.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1650202A FR3046712B1 (fr) | 2016-01-11 | 2016-01-11 | Module lumineux pour un vehicule automobile impliquant une source lumineuse coherente a intensite modulee |
FR1650202 | 2016-01-11 |
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KR20170083973A KR20170083973A (ko) | 2017-07-19 |
KR102629648B1 true KR102629648B1 (ko) | 2024-01-25 |
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KR1020170004285A Active KR102629648B1 (ko) | 2016-01-11 | 2017-01-11 | 강도 변조식 간섭성 광원을 포함하는 자동차용 조명 모듈 |
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US (1) | US10101014B2 (ko) |
EP (1) | EP3190861B1 (ko) |
KR (1) | KR102629648B1 (ko) |
CN (1) | CN106969314B (ko) |
FR (1) | FR3046712B1 (ko) |
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DE102018212529A1 (de) * | 2018-07-27 | 2020-01-30 | Robert Bosch Gmbh | Verfahren und Steuergerät zum Regeln einer emittierten Lichtleistung einer Lichtquelle eines optischen Sensorsystems |
JP7153872B2 (ja) * | 2018-11-09 | 2022-10-17 | パナソニックIpマネジメント株式会社 | 照明点灯装置、照明装置、及び照明器具 |
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US20110063115A1 (en) | 2009-09-15 | 2011-03-17 | Sharp Kabushiki Kaisha | Light emitting device, illumination device, and photo sensor |
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JP2011086432A (ja) | 2009-10-14 | 2011-04-28 | Sharp Corp | 照明装置、車両用灯具および車両 |
US20140009952A1 (en) | 2011-03-15 | 2014-01-09 | Sharp Kabushiki Kaisha | Light emitting device, lighting system, headlight, and vehicle |
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EP3190861B1 (fr) | 2018-08-15 |
FR3046712A1 (fr) | 2017-07-14 |
CN106969314A (zh) | 2017-07-21 |
KR20170083973A (ko) | 2017-07-19 |
US20170198897A1 (en) | 2017-07-13 |
CN106969314B (zh) | 2021-10-26 |
US10101014B2 (en) | 2018-10-16 |
FR3046712B1 (fr) | 2018-02-02 |
EP3190861A1 (fr) | 2017-07-12 |
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