JP6715253B2 - 自己清掃光学センサ組立体 - Google Patents
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Classifications
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- G—PHYSICS
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- G02B1/10—Optical coatings produced by application to, or surface treatment of, optical elements
- G02B1/18—Coatings for keeping optical surfaces clean, e.g. hydrophobic or photo-catalytic films
-
- B08B1/165—
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/04—Cleaning involving contact with liquid
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- B08B1/20—
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- B08B1/32—
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B17/00—Methods preventing fouling
- B08B17/02—Preventing deposition of fouling or of dust
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
- G01N21/15—Preventing contamination of the components of the optical system or obstruction of the light path
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/0006—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 with means to keep optical surfaces clean, e.g. by preventing or removing dirt, stains, contamination, condensation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/80—Camera processing pipelines; Components thereof
- H04N23/81—Camera processing pipelines; Components thereof for suppressing or minimising disturbance in the image signal generation
- H04N23/811—Camera processing pipelines; Components thereof for suppressing or minimising disturbance in the image signal generation by dust removal, e.g. from surfaces of the image sensor or processing of the image signal output by the electronic image sensor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
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- G—PHYSICS
- G01—MEASURING; TESTING
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- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
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- G—PHYSICS
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- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/90—Investigating the presence of flaws or contamination in a container or its contents
- G01N21/9009—Non-optical constructional details affecting optical inspection, e.g. cleaning mechanisms for optical parts, vibration reduction
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/50—Constructional details
Description
これらの実施形態の幾つかでは、1つ以上のセンサは、光学窓上の汚染物質の存在を検出するように構成された汚染物質存在検出センサを含む。
これらの実施形態の幾つかでは、1つ以上のセンサは、光学体の位置を示す信号を生成するように構成された位置センサを含む。
これらの実施形態の幾つかでは、1つ以上のセンサは、液体貯蔵源に含まれる液体のレベルを検出するように構成された液体レベルセンサを含む。
・光学表面によって弾かれないため、少量では、重力の影響を受けて滴になり又は容易に垂れ落ちることはない。
・光学表面上に存在することにより、汚れ物質と光学表面との間の結合を弱め、又はこのような結合を生じさせない。
・摩擦及び機械的磨耗を低下させる傾向があり、拭き取り動作中に汚れ物質が光学表面を引っ掻く可能性を低減する。
・予想される現場の温度範囲及び条件全体に亘って(状態、粘度及び化学組成が)安定している。
・水、グリース、その他の特定の汚染物質等の汚染物質の存在下で、化学的に安定している。
排他的な特徴又は権利が主張される本発明の実施形態は、以下のように定義される。
Claims (22)
- 光学デバイスを収容する光学体の光学窓を清掃するための清掃装置であって、前記光学デバイスは、前記光学窓を通る視線を有し、
前記清掃装置は、
前記光学窓の少なくとも視線部分を覆うように液体層を塗布するように構成された流体塗布器と、
ワイパーと、
前記光学体と前記ワイパーとの間の相対移動を生じさせて、その間に、前記ワイパーによって前記光学窓の少なくとも1つの視線部分が清掃される清掃サイクルの第1の段階を開始させ、且つ、前記清掃サイクルの前記第1の段階が完了した後に、前記光学体と前記流体塗布器との間の相対移動を生じさせて、前記流体塗布器によって少なくとも前記光学窓の前記視線部分を覆うように液体膜が塗布される前記清掃サイクルの第2の段階を開始させ、その間に、前記液体膜を前記光学窓の前記視線部分の線を含む前記光学窓の領域に残存させるとともに、前記液体膜の下にある前記光学窓への汚染物質の付着を抑制しながら前記光学デバイスの光学的動作を可能にするよう構成されたアクチュエータと
を備える清掃装置。 - 前記流体塗布器は、前記液体膜を塗布するための液体の量を保持するように構成された流体チャンバを備え、
前記流体塗布器は、前記流体チャンバと前記光学体との間に一次シールを備え、前記一次シールは、前記流体塗布器と前記光学体との間の相対移動中に前記流体チャンバから前記光学窓に前記液体膜を塗布する、請求項1に記載の清掃装置。 - 前記一次シールは、前記流体塗布器と前記光学体との間の相対移動中に前記光学窓に塗布される前記液体膜の厚さを制御するように動作可能に構成される、請求項2に記載の装置。
- 前記ワイパーは、前記一次シールに隣接して配置され、清掃サイクルの第一段階の間に前記光学窓から汚染物質を除去するように動作可能である、請求項2〜3のいずれか一項に記載の装置。
- 前記ワイパーと前記一次シールは一体的に形成されていることを特徴とする請求項2又は3に記載の装置。
- 前記ワイパーは、前記清掃サイクルの前記第2の段階の間に前記流体塗布器によって前記液体膜が塗布される幅に対応する前記光学窓の一部を清掃するように寸法決めされ配置される、請求項1から5までのいずれか1項に記載の清掃装置。
- 前記流体塗布器は、前記液体膜を塗布するための液体の量を保持するように構成された流体チャンバを含む、請求項1に記載の清掃装置。
- 前記液体膜を塗布するための液体を貯蔵するように構成された液体貯蔵源をさらに備え、前記液体貯蔵源は、前記流体チャンバの液体量を補充するために前記流体チャンバと液体連通している、請求項7に記載の装置。
- 前記液体貯蔵源と前記流体チャンバとの間で前記流体をポンピングする手段をさらに備える、請求項8に記載の装置。
- 前記ポンピングする手段は、前記アクチュエータによって生成された相対移動を含む、請求項9に記載の装置。
- 前記液体貯蔵源は、フィルタを介して前記流体チャンバと液体連通し、前記フィルタは前記液体から汚染物質を除去するように動作可能である、請求項8に記載の装置。
- 前記光学体は、光学シリンダー、光学プレート、平面光学面、及び球体の1つを備える、請求項1〜11のいずれか1項に記載の清掃装置。
- 前記アクチュエータは、
前記光学体と前記流体塗布器との間の直線往復相対移動、
前記光学体と前記流体塗布器との間の往復回転相対運動、
前記光学体と前記流体塗布器との間の一方向の相対回転運動、及び
前記光学体と前記流体塗布器との間の一方向であって連続的な回転相対移動
の1つを生じさせるよう動作可能に構成される、請求項1〜12のいずれか一項に記載の清掃装置。 - 前記光学窓上の汚染物質の存在を検出するように構成されたセンサをさらに備える、請求項1〜13のいずれか一項に記載の清掃装置。
- 前記液体は、前記液体膜が汚染物質と前記光学窓との間の結合を弱め、清掃サイクルの前記第1の段階の間において前記汚染物質を除去することを容易にするように選択される、請求項1〜14のいずれか一項に記載の清掃装置。
を備える清掃装置。 - 光学デバイスを収容する光学体の光学窓を清掃する方法であって、
前記光学デバイスは前記光学窓を通る視線を有し、
前記方法は、
前記光学体とワイパーとの間に相対移動を生じさせて、その間に、前記ワイパーによって前記光学窓の少なくとも1つの視線部分が清掃される清掃サイクルの第1の段階を開始させるステップと、
前記清掃サイクルの前記第1の段階が完了した後に、前記光学体と流体塗布器との間の相対移動を生じさせて、前記流体塗布器によって少なくとも前記光学窓の前記視線部分を覆うように液体膜が塗布される清掃サイクルの第2段階を開始させるステップと
を含み、
その間に、前記液体膜を前記光学窓の前記視線部分の線を含む前記光学窓の領域上に残存させる、前記液体膜の下にある前記光学窓への汚染物質の付着を抑制しながら、前記光学デバイスの光学動作を可能にする、光学デバイスを収容する光学体の光学窓を清掃する方法。 - 前記流体塗布器は、前記液体膜を塗布するための液体の量を保持するように構成された流体チャンバを備え、
前記流体塗布器は、前記流体チャンバと前記光学体との間に、一次シールを備え、
1、請求項16に記載の方法。 - 相対移動を引き起こすことは、
前記光学体と前記流体塗布器との間の直線往復相対移動、
前記光学体と前記流体塗布器との間の往復回転相対運動、
前記光学体と前記流体塗布器との間の一方向の相対回転運動、及び
前記光学体と前記流体塗布器との間の一方向であって連続的な回転相対移動
の1つを生じさせる、請求項16〜17のいずれか一項に記載の方法。 - 前記光学窓上の汚染物質の存在をさらに検出する、請求項16から18までのいずれか一項に記載の方法。
- 前記流体チャンバと液体連通され前記液体チャンバの液体量を補充するために液体貯蔵源を更に備えた、請求項17から19までのいずれか一項に記載の方法。
- 汚染物質を除去するために前記液体を濾過するステップをさらに含む、請求項20に記載の方法。
- 前記液体は、前記液体膜が汚染物質と前記光学窓との間の結合を弱め、清掃サイクルの第1の段階中に前記汚染物質の除去を容易にするように選択される、請求項16から21までのいずれか1項に記載の方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201462065489P | 2014-10-17 | 2014-10-17 | |
US62/065,489 | 2014-10-17 | ||
PCT/CA2015/051044 WO2016058105A1 (en) | 2014-10-17 | 2015-10-16 | Self-cleaning optical sensor assembly |
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JP2018501492A JP2018501492A (ja) | 2018-01-18 |
JP2018501492A5 JP2018501492A5 (ja) | 2018-11-22 |
JP6715253B2 true JP6715253B2 (ja) | 2020-07-01 |
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JP2017539479A Active JP6715253B2 (ja) | 2014-10-17 | 2015-10-16 | 自己清掃光学センサ組立体 |
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Country | Link |
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US (2) | US10632507B2 (ja) |
EP (1) | EP3206806B1 (ja) |
JP (1) | JP6715253B2 (ja) |
KR (1) | KR102502613B1 (ja) |
CN (1) | CN106999994B (ja) |
AU (1) | AU2015333554B2 (ja) |
BR (1) | BR112017007717B1 (ja) |
CA (1) | CA2964641C (ja) |
CL (1) | CL2017000923A1 (ja) |
RU (1) | RU2704221C2 (ja) |
WO (1) | WO2016058105A1 (ja) |
ZA (1) | ZA201702938B (ja) |
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EP2858755B1 (en) | 2011-03-10 | 2017-09-20 | dlhBowles Inc. | Integrated automotive system, nozzle assembly and remote control method for cleaning an image sensor's lens |
US10350647B2 (en) | 2011-03-10 | 2019-07-16 | Dlhbowles, Inc. | Integrated automotive system, nozzle assembly and remote control method for cleaning an image sensor's exterior or objective lens surface |
EP3489098B1 (en) | 2014-04-11 | 2020-12-30 | dlhBowles Inc. | Integrated automotive system, compact, low-profile nozzle assembly and compact fluidic circuit for cleaning a wide-angle image sensor's exterior surface |
US10525937B2 (en) | 2014-04-16 | 2020-01-07 | Dlhbowles, Inc. | Integrated multi image sensor and lens washing nozzle assembly and method for simultaneously cleaning a plurality of image sensors |
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JP2018501492A (ja) | 2018-01-18 |
EP3206806B1 (en) | 2023-08-02 |
RU2017117032A (ru) | 2018-11-19 |
RU2017117032A3 (ja) | 2019-02-05 |
KR20170074923A (ko) | 2017-06-30 |
US11173524B2 (en) | 2021-11-16 |
CN106999994A (zh) | 2017-08-01 |
EP3206806A4 (en) | 2018-06-20 |
BR112017007717B1 (pt) | 2022-05-31 |
BR112017007717A2 (pt) | 2017-12-19 |
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