Optical dosimeter
A light dose and filter technology, applied in the field of optical radiation measurement, can solve the problem of not being able to directly express light information.
Inactive Publication Date: 2013-03-27
FUDAN UNIV
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Problems solved by technology
Since the photobiological effect of lighting is not only related to light intensity and spectral energy distribution, but also to the duration of light, the content of traditional lighting photometry tests often cannot directly express the specific light information to be tested
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[0023] Such as figure 1 It is a schematic diagram of an embodiment of the present invention. It is mainly composed of a light receiving module 100 , a photoelectric conversion module 200 and a human-computer interaction module 300 . The illuminant 10 emits light to form a lighting environment, and the light radiation 20 irradiates the cosine correction probe 101 and the replaceable correction filter module 102, wherein the cosine correction probe 101 adopts a white diffuser with a field angle of 180 degrees and high reflectivity. The reflective material can ensure that the probe not only receives direct light radiation, but also can receive light radiation irradiating the probe from all directions within 180 degrees. The correction filter module 102 adopts a band-pass filter glass, which is formed according to a combination of specific spectral response curves. In this way, the invalid spectral components in the optical radiation 20 are filtered out, and the effective spectra...
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The invention belongs to the technical field of optical radiation measurement and particularly relates to an optical dosimeter for measuring cumulative optical radiation energy. The optical dosimeter comprises an optical receiving module, a photovoltaic conversion module and a human-computer interactive module. A luminous body emits optical radiation to irradiate the optical receiving module, and the optical radiation forms effective testing optical radiation through a cosine correction probe and a replaceable correction optical filter assembly. The effective testing optical radiation enters the photovoltaic conversion module to irradiate a photoelectric cell with a condensing lens and is converted into electric parameters to be transmitted to an optical energy integral module. Cumulative energy information can be obtained after a microprocessor with a storage function processes the electric parameters and is converted into optical dose information which is transmitted to the human-computer interactive module through a data control line. The optical dosimeter can measure the energy value of effective optical radiation visually and has wide expansibility.
Description
technical field [0001] The invention belongs to the technical field of optical radiation measurement, in particular to an optical dosimeter for measuring accumulated optical radiation energy. Background technique [0002] In 2002, the discovery of intrinsically photosensitive retinal ganglion cells (ipRGC) expanded the research in the field of lighting from the field of vision to the field of non-vision. For the quantitative evaluation and detection of photobiological effects of lighting, all current optical testing instruments cannot be realized, because there is a big difference between the spectral response curve of photobiological effects and the traditional photopic function V(λ). In addition, the photobiological effect of lighting not only affects the human body, but also affects animals and plants. Plant growth requires photosynthesis, and the spectral response curve of plants is more different from V(λ). [0003] In photometric testing, we usually use luminous flux ...
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IPC IPC(8): G01J1/42
Inventor 居家奇陈枕流张万路梁荣庆
Owner FUDAN UNIV