Laser finder for distribution photometric measurement
A photometric and laser aiming technology, applied in the field of laser sights, can solve the problems of poor accuracy and low efficiency, and achieve the effects of simple centering operation, high precision and simple structure
Inactive Publication Date: 2005-06-01
ZHEJIANG UNIV
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Problems solved by technology
The axis of the luminaire coincides with the horizontal rotation axis or vertical rotation axis of the distribution (variable angle) photometer, and is now positioned by visual aiming or a laser alignment instrument, where the laser alignment instrument includes a power supply, a remote controller and Laser, the laser emits a beam of laser under the control of the controller, the laser beam passes through the rotation center of the distribution (variable angle) photometer, and the position of the laser spot is used to determine whether the lamp is installed in the measurement center. Defects of poor degree and low efficiency
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[0010] refer to figure 1 , the invented laser aimer is to set two laser emitters 1 and 2 in a cavity 3. In the specific structure shown in the figure, the first laser emitter 1 is installed in the vertical direction passing through the center O of the cavity, and emits laser light in the vertical direction. For the laser beam, the second laser emitter 2 is installed in the horizontal direction passing through the center O of the cavity, and emits the laser beam in the horizontal direction. Each laser transmitter such as figure 2 Shown, comprise beam expander 4, laser 5, and laser power supply 7, this example, be provided with in each laser emitter and be used for controlling the remote controller 6 of laser power on and off, wherein, beam expander is positioned at laser emitter In front of the surface, a straight line laser beam emitted by the laser is expanded into a plane beam. The remote controller 6 and the laser power supply 7 can be installed coaxially with the laser ...
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In the laser sight of the present invention, two laser emitters are arranged in a cavity, the first laser emitter is installed in the vertical direction passing through the center of the cavity, and the second laser emitter is installed in the horizontal direction passing through the center of the cavity, each The laser transmitter includes a beam expander, a laser, a controller and a laser power supply, and the beam expander is located in front of the emitting surface of the laser. When working, the two laser emitters installed in the cavity emit laser beams in the vertical direction and the horizontal direction respectively, and the intersection line of the two laser beams passes through the center of the cavity. The laser beams in the horizontal direction and the vertical direction coincide with the horizontal rotation axis and the vertical rotation axis of the goniophotometric measuring device respectively, and the intersection line of the two laser beams passes through the center of the goniophotometric measuring device, so as to realize the centering and positioning of the goniophotometric measuring device. Facilitates the mounting of the luminaire to the center of rotation of the goniophotometry setup. The invention has the advantages of simple structure, convenient and intuitive centering operation and high precision.
Description
technical field [0001] The invention relates to a laser aimer for centering and positioning in goniophotometry. Background technique [0002] In the goniophotometric measurement of luminaires, the luminescent center of the measuring luminaire (or light bulb) must be correctly installed on the rotation center of the goniophotometer (variable angle). The axis of the luminaire coincides with the horizontal rotation axis or vertical rotation axis of the distribution (variable angle) photometer, and is now positioned by visual aiming or a laser alignment instrument, where the laser alignment instrument includes a power supply, a remote controller and Laser, the laser emits a beam of laser under the control of the controller, the laser beam passes through the rotation center of the distribution (variable angle) photometer, and the position of the laser spot is used to determine whether the lamp is installed in the measurement center. The defects of poor ...
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IPC IPC(8): G01J1/04
Inventor 牟同升
Owner ZHEJIANG UNIV