WO2009097813A1 - 分布光度计 - Google Patents

分布光度计 Download PDF

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Publication number
WO2009097813A1
WO2009097813A1 PCT/CN2009/070314 CN2009070314W WO2009097813A1 WO 2009097813 A1 WO2009097813 A1 WO 2009097813A1 CN 2009070314 W CN2009070314 W CN 2009070314W WO 2009097813 A1 WO2009097813 A1 WO 2009097813A1
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WO
WIPO (PCT)
Prior art keywords
main
mirror
light
rotating shaft
same
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Application number
PCT/CN2009/070314
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English (en)
French (fr)
Inventor
Tongsheng Mou
Original Assignee
Tongsheng Mou
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Publication date
Application filed by Tongsheng Mou filed Critical Tongsheng Mou
Priority to US12/866,140 priority Critical patent/US8467046B2/en
Publication of WO2009097813A1 publication Critical patent/WO2009097813A1/zh

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Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01JMEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J1/00Photometry, e.g. photographic exposure meter
    • G01J1/02Details
    • G01J1/04Optical or mechanical part supplementary adjustable parts
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01JMEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J1/00Photometry, e.g. photographic exposure meter
    • G01J1/02Details
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01JMEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J1/00Photometry, e.g. photographic exposure meter
    • G01J1/02Details
    • G01J1/0214Constructional arrangements for removing stray light
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01JMEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J1/00Photometry, e.g. photographic exposure meter
    • G01J1/02Details
    • G01J1/0271Housings; Attachments or accessories for photometers
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01JMEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J1/00Photometry, e.g. photographic exposure meter
    • G01J1/02Details
    • G01J1/04Optical or mechanical part supplementary adjustable parts
    • G01J1/0403Mechanical elements; Supports for optical elements; Scanning arrangements
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01JMEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J1/00Photometry, e.g. photographic exposure meter
    • G01J1/02Details
    • G01J1/04Optical or mechanical part supplementary adjustable parts
    • G01J1/0407Optical elements not provided otherwise, e.g. manifolds, windows, holograms, gratings
    • G01J1/0414Optical elements not provided otherwise, e.g. manifolds, windows, holograms, gratings using plane or convex mirrors, parallel phase plates, or plane beam-splitters
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01JMEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J1/00Photometry, e.g. photographic exposure meter
    • G01J1/02Details
    • G01J1/04Optical or mechanical part supplementary adjustable parts
    • G01J1/06Restricting the angle of incident light
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01JMEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J1/00Photometry, e.g. photographic exposure meter
    • G01J1/42Photometry, e.g. photographic exposure meter using electric radiation detectors
    • G01J2001/4247Photometry, e.g. photographic exposure meter using electric radiation detectors for testing lamps or other light sources

Definitions

  • the present invention relates to a distributed photometer, and more particularly to a distributed photometer with a main mirror and a collimating mirror.
  • the environment is different at different locations, and is susceptible to ambient temperature and moving airflow.
  • the second is a moving mirror-type distribution photometer.
  • the probe is fixed or follows the motion mirror rotation.
  • the mirror is rotated around the tested fixture and measured.
  • the lamp rotates but the spatial position does not change to determine the light parameters of the tested luminaire in different directions.
  • the advantage is that the space position of the tested lamp is not changed, and it is not easily affected by the ambient temperature and the moving air flow; the disadvantage is that the measuring beam changes around the cone, the test distance is not fixed, and the large-scale tested lamp needs to occupy a large space, and in addition, for the probe fixing Without the rotation, the sensitivity difference between the detectors in all directions will cause large errors.
  • the third type is a distributed photometer combining a moving mirror and a fixed mirror.
  • the moving mirror and the optical probe are fixed on the same rotating frame and rotate around the same to be tested.
  • a fixed mirror is arranged outside the test bench for Works with motion mirrors and probes.
  • the beam axis is incident on the conical surface from all directions to the fixed mirror, Re-reflecting onto the moving detector, due to the different reflection ratio of the mirror in all directions, a significant luminosity error will be introduced; the surface error of the fixed mirror, the peripheral reflected stray light is sensitive to the accuracy of the photometric measurement.
  • the distribution photometer of the present invention comprises a main rotary table, a coaxial rotary table, a lamp rotating table and a light detecting tube;
  • the main rotating table comprises: a main base and a main rotating shaft mounted on the main base, the main rotating shaft and the main mirror The frame is fastened, and the main mirror is mounted on the main mirror frame;
  • the same rotating table includes: the same base and the same rotating shaft mounted on the same base, the axis of the same rotating shaft and the main rotating shaft
  • the same axis of the rotating shaft is mounted with a mirror frame, the same mirror is mounted on the mirror frame, the mirror is located on the reflected light of the main mirror; the reflected light path of the same mirror is in the same
  • the axis of the rotating shaft comprises: a test lamp holder and a rotating shaft of the lamp mounted on the test lamp frame, the axis of the rotating shaft of the lamp is perpendicular to the axis of the main rotating shaft, and the tested lamp is fixedly connected with the rotating shaft of the lamp
  • the luminaire to be tested is fixed on the rotating shaft of the luminaire.
  • the main mirror frame rotates, the main mirror rotates, and the rotating shaft of the luminaire drives the illuminating device to rotate.
  • the outgoing light of different directions of the tested luminaire is received by the photodetecting cylinder. , measure the light intensity of the tested luminaire.
  • a plurality of light detecting cylinders can be arranged at different positions on the reflected light path of the mirror for measurement, and the test range is wide;
  • the distributed photometer of the present invention has a small footprint and high measurement accuracy.
  • Figure 1 is a schematic view showing the first structure of the present invention
  • FIG. 2 is a schematic view of a light detecting cylinder in the present invention
  • Figure 3 is a schematic view of a light detecting cylinder for setting a screen
  • Figure 4 is a schematic view showing the second structure of the present invention.
  • Figure 5 is a schematic view showing the third structure of the present invention.
  • FIG. 6 is a schematic structural view of a test light fixture in the present invention.
  • Figure 7 is a fourth structural schematic view of the present invention.
  • Figure 8 is a fifth structural schematic view of the present invention.
  • Figure 9 is a schematic view of a light bar in the present invention.
  • Figure 10 is a schematic illustration of another light barrier in the present invention.
  • a distribution photometer includes a main rotary table, a coaxial rotary table, a lamp rotating table and a light detecting tube;
  • the main rotating table includes: a main base 1-1 and a main rotating shaft 1 mounted on the main base 1-1 -2, the main rotating shaft 1-2 is fastened with the main mirror frame 1-3, and the main mirror 1-4 is mounted on the main mirror frame 1-3;
  • the same rotating table includes: the same base 2 1 and the same rotating shaft 2-2 mounted on the same base 2-1,
  • the same rotation axis 2-2 coincides with the axis of the main rotation axis 1-2, and the same rotation mirror frame 2-3 is mounted on the same rotation axis 2-2, and the same mirror is mounted on the mirror frame 2-3.
  • the mirror 2-4, the mirror 2-4 is located on the reflected light path of the main mirror 1-4;
  • the lamp rotating table includes: the test lamp holder 3-1 and the rotating shaft of the lamp mounted on the test lamp holder 3-1 3-2, the axis of the rotating shaft 3-2 of the lamp is perpendicular to the axis of the main rotating shaft 1-2, and the lamp 5 to be tested is fixedly connected with the rotating shaft 3-2 of the lamp.
  • the test lamp frame 3-1 is located at the main Between the rotary table and the rotary table, it is connected to the bracket 3-3.
  • the reflected light path of the coaxial mirror 2-4 can be positioned on the axis of the same rotating shaft 2-2 as shown.
  • two light detecting cylinders are used in the illustration.
  • the first light detecting cylinder is located on the reflected light path of the main mirror 1-4, and is fixed on the same mirror frame 2-3; the second The light detecting cylinder is located on the reflected light path of the mirror 2-4.
  • the second photodetector does not work.
  • the same mirror frame 2-3 is rotated by a certain angle, so that the reflected light path of the first light detecting cylinder and the main mirror 1-4 is staggered, and the reflected light of the main mirror 1-4 is incident.
  • the second light detector receives the reflected light from the mirror 2-4.
  • the main rotating shaft 1 - 2 and the synchronous rotating shaft 2-2 are driven by the main motor 1 - 5 and the same motor 2-5 respectively, and the rotating shaft 3-2 of the lamp is driven to rotate by the lamp motor.
  • the light detecting cylinder is as shown in Fig. 2, and includes a cylinder 4-1 and a detector 4-2 disposed in the cylinder 4-1.
  • a centrally-opened screen 4-3 may be mounted on the front side of the detector 4-2 of the photodetecting cylinder.
  • the screen 4-3 can be one piece or several pieces (see Figure 3).
  • the auxiliary shaft 6-1 is mounted on the main base 1-1, and the auxiliary shaft
  • auxiliary shaft 6-1 is located in the main rotating shaft 1-2, one end of the auxiliary shaft 6-1 extends from the main rotating shaft 1-2 and the main mirror frame 1-3, and the test lamp holder 3-1 is fixed on the auxiliary shaft 6-1. Extend the end. Auxiliary shaft 6-1 can be manually or assisted The motor 6-3 drives the rotation.
  • a counter-rotating rotating shaft 6-2 parallel to the main rotating shaft 1-2 is mounted on the main mirror frame 1-3, and the test lamp holder 3-1 is fixed at the same time. Reverse rotation on the shaft 6-2.
  • the test lamp holder 3-1 used in the present invention can be composed of a translation stage 3-4 and a lamp holder 3-5 slidingly connected to the translation stage 3-4, and the lamp rotation shaft 3-2 is mounted on the lamp. Shelf 3-5. In this way, the center position of the lamp under test can be conveniently adjusted by the movement of the translation stage.
  • a folding mirror 6-8 is disposed on the reflected light path of the mirror 2-4, and the light detecting cylinder is located on the reflected light path of the turning mirror 6-8.
  • the light detecting tube of the distributed photometer can be installed on the incident light path or the reflected light path of the main mirror 1-4, or can be mounted on the reflected light path of the same mirror 2-4, or mounted on the turning mirror 6-8. Reflected light path.
  • a diaphragm 6-6 can be arranged on the optical path, and a light aperture 6-7 is provided on the diaphragm 6-6.
  • the light bar 6-6 can be fixed on the same mirror frame 2-3 as shown in Fig. 8.
  • the light passing holes 6-7 on the light bar are as shown in Fig. 9, and the incident light path is located in the same mirror 2-4.
  • the outgoing light path; the light bar 6-6 may also be located on the optical path between the main rotating table and the rotating table of the same type as shown in FIG. 1, and the light passing hole 6-7 is annular as shown in FIG.
  • the installation of the above two types of diaphragms can also be used simultaneously.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)

Description

分布光度计
【技术领域】 本发明涉及一种分布光度计, 尤其涉及一种带主反光镜和同歩反光镜的 分布光度计。 说
【背景技术】 常用的带反光镜的分布光度计有以下几种: 一种是旋转反光镜式分布光 度计, 探头固定, 利用反光镜自转、 被测灯具在空间作圆周平移和自转来测 定被测灯具在不同方向的光强, 由于测试过程中被测灯具在移动, 被测灯具 书
在不同位置所处的环境不同, 易于受环境温度和运动气流影响; 第二种是运动反光镜式分布光度计, 探头固定或跟随运动反光镜旋转, 利用反光镜绕被测灯具旋转、 被测灯具自转但空间位置不变来测定被测灯具 在不同方向的光参数。 优点是被测灯具空间位置不变, 不易受环境温度和运 动气流的影响; 缺点是测量光束绕圆锥变化, 测试距离固定不可调, 对于大 型被测灯具需要占用较大空间, 此外, 对于探头固定不跟随旋转的情况, 由 于探测器在空间各方向上的灵敏度差异将引起大的误差。 第三种是运动反光镜和固定反光镜结合的分布光度计, 运动反光镜和光 探头固定在同一个旋转架上绕被测灯具同歩旋转, 另外在测试台之外设置一 个固定反光镜用于与运动反光镜和探头相配合。 优点是被测灯具空间位置不 变, 不易受环境温度和运动气流的影响; 缺点是测量光束绕圆锥变化, 由于 探测器与运动反光镜一起运动, 难以在探测器与光源之间设置一系列消杂光 的光栏, 否则有光束死角; 光束轴在一个锥面上从各方向入射到固定反光镜, 再反射到运动的探测器上, 由于反光镜在空间各方向上的反射比不一至, 将 引入明显的光度误差; 固定反光镜的面形误差, 周边反射杂光对光度测量精 度影响敏感。
【发明内容】
本发明的目的在于提供一种测量精度高的分布光度计。
本发明解决现有技术问题所采用的技术方案是:
本发明的分布光度计包括主旋转台、 同歩旋转台、 灯具旋转台和光探测 筒; 主旋转台包括: 主基座和安装在主基座上的主旋转轴, 主旋转轴与主反 光镜架紧固, 在主反光镜架上安装有主反光镜; 同歩旋转台包括: 同歩基座 和安装在同歩基座上的同歩旋转轴, 同歩旋转轴与主旋转轴的轴线重合, 同 歩旋转轴上安装有同歩反光镜架, 同歩反光镜架上安装有同歩反光镜, 同歩 反光镜位于主反光镜的反射光路上; 同歩反光镜的反射光路位于同歩旋转轴 的轴线上; 灯具旋转台包括: 测试灯架和安装在测试灯架上的灯具旋转轴, 灯具旋转轴的轴线与主旋转轴的轴线垂直, 被测灯具与灯具旋转轴固定连接; 光探测筒安装在光路上。
工作时, 将被测灯具固定在灯具旋转轴上, 主反光镜架转动时带动主反 光镜旋转, 由灯具旋转轴带动被测灯具自转, 被测灯具的不同方向的出射光 被光探测筒接收, 测出被测灯具的光强。
本发明的有益效果在于:
1、 采用与主反光镜同歩旋转的同歩反光镜, 可以消除反光镜的方向性对 测试结果的影响;
2、 易于在光通道上设置光栏, 减少杂散光; 3、 可以在反光镜的反射光路上的不同位置设置多个光探测筒用于测量, 测试范围广;
4、 本发明的分布光度计占地面积小, 测量精度高。
【附图说明】
图 1为本发明的第一种结构示意图;
图 2为本发明中的光探测筒示意图;
图 3为设置挡屏的光探测筒示意图;
图 4为本发明的第二种结构示意图;
图 5为本发明的第三种结构示意图;
图 6为本发明中的测试灯架的一种结构示意图;
图 7为本发明的第四种结构示意图;
图 8为本发明的第五种结构示意图;
图 9为本发明中的光栏示意图;
图 10为本发明中的另一种光栏的示意图。
【具体实施方式】
下面结合说明书附图和具体实施方式对本发明的实质性特点作进一歩的 说明。
下面结合附图对本发明作进一歩的说明。
参照图 1, 分布光度计包括主旋转台、 同歩旋转台、灯具旋转台和光探测 筒; 主旋转台包括: 主基座 1 -1和安装在主基座 1 -1上的主旋转轴 1 -2, 主旋 转轴 1 -2与主反光镜架 1 -3紧固, 在主反光镜架 1 -3上安装有主反光镜 1 -4; 同歩旋转台包括: 同歩基座 2-1和安装在同歩基座 2-1上的同歩旋转轴 2-2, 同歩旋转轴 2-2与主旋转轴 1 -2的轴线重合,同歩旋转轴 2-2上安装有同歩反 光镜架 2-3, 同歩反光镜架 2-3上安装有同歩反光镜 2-4, 同歩反光镜 2-4位 于主反光镜 1 -4的反射光路上;灯具旋转台包括:测试灯架 3-1和安装在测试 灯架 3-1上的灯具旋转轴 3-2, 灯具旋转轴 3-2的轴线与主旋转轴 1 -2的轴线 垂直, 被测灯具 5与灯具旋转轴 3-2固定连接, 图示实例中, 测试灯架 3-1 位于主旋转台和同歩旋转台之间, 与支架 3-3连接。 为了进一歩提高测量精 度, 使测量光线的光轴固定, 可如图所示, 将同歩反光镜 2-4的反射光路位 于同歩旋转轴 2-2的轴线上。 为了提高测量的动态范围, 图例中采用了两个 光探测筒, 第一个光探测筒位于主反光镜 1 -4的反射光路上, 固定在同歩反 光镜架 2-3上;第二个光探测筒位于同歩反光镜 2-4的反射光路上。当第一个 光探测筒工作时, 第二个光探测筒不工作。 当第二个光探测筒工作时, 同歩 反光镜架 2-3转动一定角度,使第一光探测筒与主反光镜 1 -4的反射光路错开, 主反光镜 1 -4的反射光入射到同歩反光镜 2-4上,第二个光探测筒接收同歩反 光镜 2-4的反射光。
主旋转轴 1 -2与同歩旋转轴 2-2分别由主电机 1 -5和同歩电机 2-5驱动同 歩旋转, 灯具旋转轴 3-2由灯具电机驱动旋转。
光探测筒如图 2所示, 包括筒体 4-1和装置在筒体 4-1 内的探测器 4-2。 为了减少入射到光探测器 4-2上的杂散光,可以在光探测筒的探测器 4-2的前 面安装中心开孔的挡屏 4-3。 挡屏 4-3可以是一块, 也可以是数块 (见图 3)。
图 4所示分布光度计的结构中, 在主基座 1 -1上安装辅助轴 6-1, 辅助轴
6-1位于主旋转轴 1 -2中, 辅助轴 6-1的一端伸出主旋转轴 1 -2和主反光镜架 1 -3, 测试灯架 3-1 固定在辅助轴 6-1的伸出端。 辅助轴 6-1可手动或由辅助 电机 6-3驱动旋转。
图 5所示分布光度计的结构中, 在主反光镜架 1 -3上安装有与主旋转轴 1 -2平行的同歩逆向旋转轴 6-2,测试灯架 3-1固定在同歩逆向旋转轴 6-2上。
本发明中采用的测试灯架 3-1可如图 6所示, 由平移台 3-4和与平移台 3-4滑动连接的灯具架 3-5组成,灯具旋转轴 3-2安装在灯具架 3-5上。这样, 利用平移台的移动, 可以方便地调节被测灯具的中心位置。
图 7所示分布光度计的结构中, 在同歩反光镜 2-4的反射光路上设置转 折反光镜 6-8, 光探测筒位于转折反光镜 6-8的反射光路上。
分布光度计的光探测筒可以安装在主反光镜 1 -4的入射光路或反射光路 上, 也可以安装在同歩反光镜 2-4的反射光路上, 或者安装在转折反光镜 6-8 的反射光路上。
为了减少测量误差, 消除杂散光的影响, 可在光路上设置光栏 6-6, 光栏 6-6上具有通光孔 6-7。 光栏 6-6可如图 8所示固定在同歩反光镜架 2-3上, 光栏上的通光孔 6-7如图 9所示, 位于同歩反光镜 2-4的入射光路和出射光 路上; 光栏 6-6也可以如图 1所示, 位于主旋转台与同歩旋转台之间的光路 上, 通光孔 6-7如图 10所示呈环状。 上述两种光栏的安装也可同时使用。

Claims

权 利 要 求 书
1、 分布光度计, 其特征在于它包括主旋转台、 同歩旋转台、 灯具旋转台 和光探测筒; 主旋转台包括: 主基座(1-1)和安装在主基座(1-1)上的主旋 转轴(1-2), 主旋转轴(1-2)与主反光镜架(1-3)紧固, 在主反光镜架(1-3) 上安装有主反光镜 (1-4); 同歩旋转台包括: 同歩基座 (2-1) 和安装在同歩 基座 (2-1) 上的同歩旋转轴 (2-2), 同歩旋转轴 (2-2) 与主旋转轴 (1-2) 的轴线重合, 同歩旋转轴 (2-2) 上安装有同歩反光镜架 (2-3), 同歩反光镜 架(2-3)上安装有同歩反光镜(2-4), 同歩反光镜(2-4)位于主反光镜(1-4) 的反射光路上; 灯具旋转台包括: 测试灯架 (3-1) 和安装在测试灯架 (3-1) 上的灯具旋转轴(3-2), 灯具旋转轴(3-2) 的轴线与主旋转轴(1-2) 的轴线 垂直, 被测灯具 (5) 与灯具旋转轴 (3-2) 固定连接; 光探测筒安装在光路 上。
2、根据权利要求 1所述的分布光度计,其特征是所述的同歩反光镜(2-4) 的反射光路位于同歩旋转轴 (2-2) 的轴线上。
3、根据权利要求 1或 2所述的分布光度计, 其特征是光探测筒安装在同 歩反光镜 (2-4) 的反射光路上。
4、根据权利要求 1或 2所述的分布光度计, 其特征是光探测筒包括筒体 (4-1)、 装置在筒体(4-1) 内的探测器(4-2)和中心开孔的挡屏 (4-3), 挡 屏 (4-3) 位于探测器 (4-2) 前面的光路上。
5、 根据权利要求 1或 2所述的分布光度计, 其特征是测试灯架 (3-1) 位于主旋转台和同歩旋转台之间, 与支架 (3-3) 连接。
6、 根据权利要求 1或 2所述的分布光度计, 其特征是主基座 (1-1) 上 安装有辅助轴 (6-1 ), 辅助轴 (6-1 )位于主旋转轴 (1 -2) 中, 辅助轴 (6-1 ) 的一端伸出主旋转轴(1 -2)和主反光镜架(1 -3), 测试灯架 (3-1 ) 固定在辅 助轴 (6-1 ) 上。
7、 根据权利要求 1或 2所述的分布光度计, 其特征是测试灯架 (3-1 ) 由平移台(3-4)和与平移台滑动连接的灯具架(3-5)组成,灯具旋转轴(3-2) 安装在灯具架 (3-5) 上。
8、根据权利要求 1或 2所述的分布光度计,其特征是在主反光镜架(1 -3) 上安装有与主旋转轴 (1 -2) 平行的同歩逆向旋转轴 (6-2), 测试灯架 (3-1 ) 固定在同歩逆向旋转轴 (6-2) 上。
9、根据权利要求 1或 2所述的分布光度计,其特征是在同歩反光镜(2-4) 的反射光路上设置转折反光镜 (6-8 ), 光探测筒安装在转折反光镜 (6-8)的反 射光路上。
10、 根据权利要求 1或 2所述的分布光度计, 其特征是安装光探测筒的 光路是主反光镜(1 -4) 的入射光路或反射光路, 或者是同歩反光镜(2-4) 的 反射光路。
11、 根据权利要求 10 所述的分布光度计, 其特征是在光路上设置光栏 (6-6), 光栏 (6-6) 上具有通光孔 (6-7)。
12、 根据权利要求 10所述的分布光度计, 其特征是光栏 (6-6) 固定在 同歩反光镜架 (2-3) 上, 光栏上的通光孔 (6-7) 位于同歩反光镜 (2-4) 的 入射光路和出射光路上; 或者光栏 (6-6) 位于主旋转台与同歩旋转台之间的 光路上, 通光孔 (6-7) 呈环状。
PCT/CN2009/070314 2008-02-04 2009-01-23 分布光度计 WO2009097813A1 (zh)

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