JP2023534594A - ガラスミラーの回転金属モータフレームへの取り付け - Google Patents
ガラスミラーの回転金属モータフレームへの取り付け Download PDFInfo
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/48—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
- G01S7/481—Constructional features, e.g. arrangements of optical elements
- G01S7/4817—Constructional features, e.g. arrangements of optical elements relating to scanning
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
- G01S17/02—Systems using the reflection of electromagnetic waves other than radio waves
- G01S17/06—Systems determining position data of a target
- G01S17/42—Simultaneous measurement of distance and other co-ordinates
-
- B60W2420/408—
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
- G01S17/02—Systems using the reflection of electromagnetic waves other than radio waves
- G01S17/06—Systems determining position data of a target
- G01S17/08—Systems determining position data of a target for measuring distance only
- G01S17/10—Systems determining position data of a target for measuring distance only using transmission of interrupted, pulse-modulated waves
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
- G01S17/88—Lidar systems specially adapted for specific applications
- G01S17/93—Lidar systems specially adapted for specific applications for anti-collision purposes
- G01S17/931—Lidar systems specially adapted for specific applications for anti-collision purposes of land vehicles
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
- G02B26/08—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light
- G02B26/10—Scanning systems
- G02B26/12—Scanning systems using multifaceted mirrors
Abstract
Description
本出願は、2022年2月1日に出願された「ATTACHING A GLASS MIRROR TO A ROTATING METAL MOTOR FRAME」と題する米国非仮特許出願シリアル番号17/590,785、および2021年2月16日に出願された「ATTACHING A GLASS MIRROR TO A ROTATING METAL MOTOR FRAME」と題する米国仮特許出願シリアル番号63/150,079への優先権を主張する。両出願の内容は、あらゆる目的のために参照により本明細書に組み込まれる。
Claims (27)
- 自動車に使用される光検出及び測距(ライダー)走査システムの回転可能光学反射デバイスであって、
複数の反射面とフランジとを含むガラスベースの光学反射部と、
前記ガラスベースの光学反射部の内側開口部に少なくとも部分的に配置された金属ベースのモータロータ本体であって、前記フランジは、前記ガラスベースの光学反射部の内側側壁から前記金属ベースのモータロータ本体に向かって延びており、前記フランジは、前記金属ベースのモータロータ本体の基準面に接触する第1の取付面を含む、前記モータロータ本体と、
第1面と第2面とを有するエラストマー片であって、該エラストマー片の前記第1面は前記フランジの第2の取付面と接触している、前記エラストマー片と、
前記エラストマー片の前記第2面において前記エラストマー片を圧縮するクランプ機構であって、前記金属ベースのモータロータ本体の動きにより前記ガラスベースの光学反射部は前記ライダー走査システムの視野内で光を光学的に走査する、前記クランプ機構と、
を備える、デバイス。 - 前記ガラスベースの光学反射部は、ポリゴン形状の底面を有し、該ポリゴン形状の底面は開口部を含む
請求項1に記載のデバイス。 - 前記ポリゴン形状の底面が5つ以上の辺を含む
請求項2記載のデバイス。 - 前記複数の反射面は、前記ガラスベースの光学反射部の外側面に配置されたまたは一体的に形成された複数のミラーを含む
請求項1乃至3の何れか1項に記載のデバイス。 - 前記金属ベースのモータロータ本体の動きにより前記ガラスベースの光学反射部は約2000~9000回転/分(rpm)の範囲の速度で回転する
請求項1乃至4の何れか1項に記載のデバイス。 - 前記フランジは、前記ガラスベースの光学反射部と一体的である
請求項1乃至5の何れか1項に記載のデバイス。 - 前記フランジの内径と前記金属ベースのモータロータ本体との間に配置されたギャップをさらに備え、前記ギャップは、前記ガラスベースの光学反射部と前記金属ベースのモータロータ本体との間の熱膨張係数(CTE)の不一致に少なくとも部分的に対応するように予め構成された寸法を有する
請求項1乃至6の何れか1項に記載のデバイス。 - 前記ギャップは、約25~45μmの範囲である
請求項7に記載のデバイス。 - 1つ以上のベアリングに配置されたモータシャフトであって、前記1つ以上のベアリングは前記金属ベースのモータロータ本体に配置されている、前記モータシャフトをさらに備える
請求項1乃至8の何れか1項に記載のデバイス。 - 前記モータシャフトの長手方向に沿った軸は、前記金属ベースのモータロータ本体の前記基準面に対して実質的に垂直である
請求項9に記載のデバイス。 - 前記ガラスベースの光学反射部と前記金属ベースのモータロータ本体とは、前記モータシャフトの長手方向に沿った軸に対して実質的に同心である
請求項9または10に記載のデバイス。 - 前記金属ベースのモータロータ本体は、アルミニウム、鉄、銅、鋼、または金属合金のうちの少なくとも1つを含む
請求項1乃至11の何れか1項に記載のデバイス。 - 前記エラストマー片は、前記クランプ機構と前記フランジとの間に配置されたエラストマーリングを含む
請求項1乃至12の何れか1項に記載のデバイス。 - 前記エラストマー片は、約40A~75Aデュロメータの範囲の硬度を有し、前記エラストマー片は、約32mmの内径、約44mmの外径、および約1.3~3mmの厚さ、を有する
請求項1乃至13の何れか1項に記載のデバイス。 - 前記エラストマー片の種類または寸法の少なくとも1つは、前記ガラスベースの光学反射部と前記金属ベースのモータロータ本体との間の熱膨張係数(CTE)の不一致に起因するガラス破壊の可能性を低減するように選択される
請求項1乃至14の何れか1項に記載のデバイス。 - 前記エラストマー片の前記第1面は、実質的に平坦な面を含む
請求項1乃至15の何れか1項に記載のデバイス。 - 前記エラストマー片の前記第2面は、凹凸のある面を含む
請求項1乃至16の何れか1項に記載のデバイス。 - 前記エラストマー片は、ポリマーベースの片またはゴムベースの片の少なくとも1つを含む
請求項1乃至17の何れか1項に記載のデバイス。 - 前記エラストマー片は、エチレンプロピレンジエンモノマー(EPDM)ベースのゴムを含む
請求項18に記載のデバイス。 - 前記クランプ機構は、複数のネジと複数のロックワッシャとを含む
請求項1乃至19の何れか1項に記載のデバイス。 - 前記回転可能光学反射デバイスは、約-40℃~85℃の温度範囲で動作可能である
請求項1乃至20の何れか1項に記載のデバイス。 - 前記ガラスベースの光学反射部の周囲に配置されたフェアリングであって、該フェアリングは開口部と円柱または円錐の少なくとも一部とを含み、前記フェアリングの軸方向は前記ガラスベースの光学反射部の軸方向と実質的に平行である、前記フェアリングをさらに備える
請求項1乃至21の何れか1項に記載のデバイス。 - 前記フェアリングは、前記ガラスベースの光学反射部と同心である
請求項22に記載のデバイス。 - 前記フェアリングは、前記ガラスベースの光学反射部と偏心している
請求項22に記載のデバイス。 - 前記クランプ機構に取り付けられたインデックスエンコーダと、
ホール効果センサおよびモータ巻線の少なくとも1つであって、前記インデックスエンコーダの一部分、前記ホール効果センサ、および前記モータ巻線は、金属ベースのモータのステータに取り付けられたプリント回路基板に統合されている、前記ホール効果センサおよびモータ巻線の少なくとも1つと、
をさらに備える
請求項1乃至24の何れか1項に記載のデバイス。 - 請求項1乃至25の何れか1項に記載の回転可能光学反射デバイスを含む光検出及び測距(ライダー)システム。
- 請求項1乃至25の何れか1項に記載の回転可能光学反射デバイスを含む光検出及び測距(ライダー)システムを含む自動車。
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US202163150079P | 2021-02-16 | 2021-02-16 | |
US63/150,079 | 2021-02-16 | ||
US17/590,785 | 2022-02-01 | ||
US17/590,785 US11921234B2 (en) | 2021-02-16 | 2022-02-01 | Attaching a glass mirror to a rotating metal motor frame |
PCT/US2022/015875 WO2022177794A1 (en) | 2021-02-16 | 2022-02-09 | Attaching a glass mirror to a rotating metal motor frame |
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JP2023534594A true JP2023534594A (ja) | 2023-08-10 |
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JP2022570665A Pending JP2023534594A (ja) | 2021-02-16 | 2022-02-09 | ガラスミラーの回転金属モータフレームへの取り付け |
Country Status (5)
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US (1) | US11921234B2 (ja) |
EP (1) | EP4139176A4 (ja) |
JP (1) | JP2023534594A (ja) |
KR (1) | KR20230028265A (ja) |
WO (1) | WO2022177794A1 (ja) |
Families Citing this family (5)
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EP3548840B1 (en) | 2016-11-29 | 2023-10-11 | Blackmore Sensors & Analytics, LLC | Method and system for classification of an object in a point cloud data set |
EP3548925A4 (en) | 2016-11-30 | 2020-07-01 | Blackmore Sensors And Analytics Inc. | AUTOMATIC REAL-TIME ADAPTIVE SCANNING METHOD AND SYSTEM USING OPTICAL RANGE SYSTEMS |
US11921234B2 (en) | 2021-02-16 | 2024-03-05 | Innovusion, Inc. | Attaching a glass mirror to a rotating metal motor frame |
WO2023086681A1 (en) * | 2021-11-15 | 2023-05-19 | Innovusion, Inc. | Wobble adjustment capability for polygon mirrors |
US20230243977A1 (en) * | 2022-02-03 | 2023-08-03 | Blackmore Sensors & Analytics, LLC. | Lidar system |
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