Light parallelism measurement device and porous spray test system using the device

Abstract

The invention belongs to the technical field of testing the spray form of a fuel system of a diesel engine, and in particular relates to a light parallelism measuring device and a porous spray testing system using the device. A light parallelism measurement device based on the photoelectric effect of the present invention can magnify the tiny non-parallelism of the light several times, and use piezoelectric sensors to measure the light intensity at different positions, and convert the light intensity into electric potential energy, thereby Intuitive quantification of the non-parallel nature and parallelism of light rays is of great significance for accurately determining the parallelism of light rays, improving the test accuracy and test clarity of optical testing, and increasing the signal-to-noise ratio of test results. The porous spray test system using the light parallelism measuring device of the present invention ensures that the test system can work normally only when the light rays are absolutely parallel, thereby improving the test accuracy and test clarity of the optical test, and increasing the signal-to-noise ratio of the test results.

Description

technical field [0001] The invention belongs to the technical field of testing the spray form of a fuel system of a diesel engine, and in particular relates to a light parallelism measuring device and a porous spray testing system using the device. Background technique [0002] Optical testing has great practical value and wide application in different fields. With the increase of the complexity of the measured object and the harsh test environment, the test accuracy and test clarity of optical test will be improved from different angles, and the increase will increase. The signal-to-noise ratio of test results has become an increasingly important research direction. [0003] In the process of most optical tests, parallel light is used as the measurement light. Therefore, it is necessary to organize the non-parallel light emitted by the point light source or line light source into parallel light to participate in the measurement. The principle of optical testing determines t...

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Problems solved by technology

[0004] However, there is no special equipment for evaluating the parallelism of light rays in the current optical test, so in the process of optical experiments, it is inaccurate to determine whether the light is parallel light mainly relying on the equipment parameters and the observed spot size.

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