Solar cell optical receiver and full luminous flux detection system with the same
A solar cell and detection system technology, which is applied in measuring devices, photometry, optical radiation measurement, etc., can solve the problems of size and size, difficulty in combination, difficulty in measurement accuracy, and increase in price, so as to achieve good detection accuracy and reasonable price , the effect of limited space
Inactive Publication Date: 2013-08-28
CHROMA ELECTRONICS SHENZHEN
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Part of the luminous flux reflected back to the component will be reflected back into the integrating sphere 1', but it will vary depending on the surface condition of the LED 2' component to be tested. Even if the variation is only assumed to be 10%, it will be The measurement of LED luminous flux causes 9% variation, causing major difficulties in measurement accuracy
[0015] In other words, in order to correctly measure the full luminous flux of the light-emitting element to be tested, the speed of the production line and the convenience of access to the light-emitting element to be tested must also be considered. However, the current optical sensor is limited by its size, making it difficult to combine, and the price is therefore greatly increased. Therefore, it will undoubtedly cause a dilemma for manufacturers of light-emitting components and manufacturers of light-emitting components
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[0054] The foregoing and other technical contents, features and effects of the present invention will be clearly presented in the following detailed description of preferred embodiments with accompanying drawings. For convenience of description, the light source to be tested in the detection system and the light receiving device of the present invention is an example of an LED. Of course, other light-emitting elements such as light bulbs and lamp tubes can also be detected by the structure disclosed in the present invention.
[0055] Limited by the current solar cell manufacturing process, the performance of each silicon chip is somewhat different, and its respective photoelectric conversion efficiency and spectral response are also different. Therefore, each solar cell must be independently calibrated and tested by a spectral energy analyzer to obtain the individual spectral response coefficient R of each solar cell n，m (λ) (the unit is Amp / Watt, that is, the photoelectric fl...
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A light receiving device (10) having a solar cell for total luminous flux detection system comprises at least a solar cell (102, 104, 106, 108, 110, 112). A light receiving surface of the solar cell covers solid angle of light emitted by a light source (32) to be detected, and the solar cell converts luminous energy irradiated on it into electric energy and outputs. A total luminous flux detection system having the light receiving device further comprises a mounting seating (202) for holding the illuminant and make it emit light, and a processing device (60) for receiving the converted electric energy.
Description
technical field [0001] The invention relates to a light source total luminous flux detection system, in particular to a solar battery light receiving device and a total luminous flux detection system with the device. Background technique [0002] The total luminous flux of the light source (Total Luminous Flux, unit: lumen) is an important parameter in the application, especially in the application of light-emitting diodes (LEDs) where blue or violet LEDs are used as white LED light sources, it is an important value that must be considered . According to the CIE standard, the measurement of its total luminous flux must be as follows figure 1 As shown, the LED 2 to be tested is placed somewhere in a sufficiently large integrating sphere (Optical Integrating Sphere) 1, so that the light source to be tested placed inside it, such as the light emitted by the LED 2, is evenly distributed inside the integrating sphere 1 , let the emitted light be output to the spectral energy an...
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IPC IPC(8): G01M11/02G01J1/02G01J1/04
CPCG01J1/42G01J2001/4252G01J2001/0481
Inventor 曾一士王遵义李静粼
Owner CHROMA ELECTRONICS SHENZHEN