In order to evaluate and study the static ash holdup of cigarette combustion from various angles, an objective and accurate real-time measurement method of static ash holdup of cigarette combustion is provided. The image acquisition of the test sample during the static combustion of the cigarette is evenly distributed around the test cigarette through 3 cameras, and the camera lens position is perpendicular to the axial direction of the cigarette. Through the simultaneous shooting of 3 sides of a single cigarette in the static combustion state, the image tracking acquisition is carried out in real time, so as to complete the 3-side full vision acquisition of the static ash holdup of the cigarette test sample combustion. The experimental results show that there are great differences among the three groups of static gray holdup data collected by three-side full vision, so it is necessary to take the average value of three-side photography.
The uniformity of carbon line will seriously affect the combustion appearance of cigarettes in terms of intuitive feeling, which may cause fluctuations in sensory quality and improvement of the falling tendency of combustion cone. In this paper, the uniformity of carbon wire is determined, the calculation method of two parameters is studied, and the full vision test equipment is used to test. The test results show that the uniformity of cigarette carbon thread with the same crack rate is different, which can be used to measure the appearance quality of cigarette during combustion. The average carbon line width of fine cigarettes, medium cigarettes and thick cigarettes was 1.39, 0.84 and 1.96 respectively. The equipment for measuring cigarette combustion appearance quality with full vision adopts the way of three-side photography in the process of measuring indicators, and the difference rate of test results of three-side photography of the same cigarette is large.
Ash line width affects consumers' judgment of cigarette quality. In this paper, the width of ash line is determined and its calculation method is studied, which is tested by full vision testing equipment. The test results show that the width of ash line of cigarettes with the same crack rate is different, which can be used as an index to measure the appearance quality of cigarettes in the process of combustion. The average ash line width of the measured sample is larger for common cigarettes than for medium and slim cigarettes. In the process of moving backward with the combustion section, the carbonization line is affected by factors such as cut tobacco structure, filling density, cigarette paper and leaf group formula. The equipment for measuring cigarette combustion appearance quality with full vision adopts the method of three-side photography in the process of measuring indicators, and the test results of three-side photography of the same cigarette have a large difference rate, which is better than single-side photography.
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