Cigarette dynamic draw resistance measuring device and method based on rotating disc smoking machine

Abstract

The invention discloses a cigarette dynamic draw resistance measuring device and method based on a rotating disc smoking machine. The device comprises the rotating disc smoking machine, a pressure difference sensor, a smoking machine trigger and a data acquisition controller. The rotating disc smoking machine comprises a plurality of smoking nozzles which are annularly and uniformly arranged on a rotating disc, the rear ends of the smoking nozzles are connected with a catcher when rotating to a set position, and the rear end of the catcher is connected with a needle cylinder through a suction air pipe; the differential pressure sensor is electrically connected with the data acquisition controller, a first pressure interface of the differential pressure sensor is communicated with the suction air pipe, and a second pressure interface is communicated with the external environment; the smoking machine trigger is connected with the data acquisition controller and the needle cylinder at the same time, and the smoking machine trigger is used for controlling suction of the needle cylinder and sending suction electric signals of the needle cylinder to the data acquisition controller. According to the invention, the pressure data of the tail end of a filter tip in the smoking process of a to-be-measured cigarette on the rotating disc smoking machine can be continuously detected and recorded, and then the dynamic suction resistance of each cigarette and each interface is processed, calculated and sorted through the database.

Description

technical field [0001] The invention belongs to the field of tobacco detection, and in particular relates to a device and method for measuring dynamic draw resistance of cigarettes based on a rotary smoking machine. Background technique [0002] The sensory quality of cigarettes is affected by important indicators such as cigarette weight, draw resistance, ventilation rate, hardness, and pressure drop. One of the important factors of chemical composition in flue gas. [0003] The current standard method for measuring the draw resistance of cigarettes is to test under unlit conditions (GB / T22838.5-2009 Determination of Physical Properties of Cigarettes and Filter Rods Part 5: Cigarette Draw Resistance and Pressure Drop of Filter Rods), that is, to seal the cigarettes in In the measuring equipment, a steady airflow of 17.5ml / s is passed through the cigarette, and the negative pressure applied by the insertion depth of the output end of 9mm is measured. [0004] However, in t...

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Problems solved by technology

[0007] According to the existing standards and methods, smoking machines are mainly used to detect the amount of tar, nicotine and carbon monoxide in cigarettes, and cannot be used to detect dynamic draw resistance of cigarettes.

At present, there is no automatic and efficient method for detecting dynamic draw resistance of cigarettes that can meet the needs of detection and analysis

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