Cigar tobacco smoldering property testing device

By designing a semi-enclosed cigar tobacco smoldering test device, using components such as a speed-regulating fan and heating tube to simulate various environments, and combining it with a camera and sampling equipment, the problem of traditional testing being easily affected by external factors has been solved, achieving higher test accuracy and precision.

CN224035349UActive Publication Date: 2026-03-24YUNNAN ACAD OF TOBACCO AGRI SCI
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-23
Publication Date
2026-03-24

AI Technical Summary

Technical Problem

Traditional smoldering tests for cigar tobacco leaves are easily affected by external factors, leading to insufficient accuracy.

Method used

Design a device for testing the smoldering properties of cigar tobacco leaves. The device adopts a semi-enclosed environment, controls the airflow through a speed-regulating fan, and combines a heating tube, an oxygen tank, and a gas storage tank to simulate different environments. It is equipped with a camera and sampling equipment for accurate recording.

Benefits of technology

It improves the accuracy and precision of testing, enabling testing under various conditions in a controlled environment and reducing external interference.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a smoldering property testing device for cigar tobacco, which belongs to the technical field of tobacco testing and comprises a testing box, two sides of the testing box are communicated with ventilation hoppers, the side surfaces of the two ventilation hoppers are respectively communicated with an air inlet pipe and an air outlet pipe, the side surface of the air outlet pipe is provided with a speed regulation fan, and the side surface of the speed regulation fan is communicated with an air outlet pipe; an inclined electric push rod and a limiting pipe are embedded in the periphery of the gas outlet pipe, adaptive sampling equipment for sampling flue gas is arranged in an inner cavity of the limiting pipe, a moving part of the inclined electric push rod is connected with a plugging block for plugging the limiting pipe, and the top end of the test box is rotationally connected with a movable door; perspective windows are embedded in the top end of the movable door and the side face of the test box, a linear motor is installed at the top end of the movable door, and an L-shaped assembly plate is installed on the periphery of a moving part of the linear motor. The cigar tobacco smoldering property testing device can be adjusted in multiple terms, is in a controllable ventilation semi-closed environment, and simulates tests in different environments.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to tobacco test technical field especially, it is a kind of cigar tobacco smoldering nature testing device. BACKGROUND

[0002] Tobacco is the main raw material of cigarette and cigar, and free burning is one of the important physical properties of tobacco, including smoldering fire and static burning rate, which is affected by tobacco planting agricultural measures, tobacco growth position, tissue structure and chemical composition and other factors. The combustibility of tobacco directly affects the combustibility of the product, and the combustion performance of the product directly affects the sensory quality and smoke composition of the product. Therefore, cigar tobacco will be tested for smoldering nature before production and processing, but the traditional smoldering nature test uses exposed test, which is easily affected by the outside world and affects accuracy.

[0003] After searching, a kind of tobacco free burning test device (authorized publication number CN203965331U) is searched, including bottom plate, test table surface placed on bottom plate by support seat, image acquisition system arranged above test table surface and ignition device located below test table surface and fixed on bottom plate. The device is based on computer recognition and image processing technology, can real-time acquisition of the combustion condition of the ignited tobacco leaf by camera, determine the start and end time of tobacco smoldering after image processing, calculate the burning time of tobacco, and realize the test and judgment of tobacco free burning. The device can realize automatic ignition, automatic test and data statistics, greatly reduce the workload of manual detection and human error, and effectively improve the accuracy and precision of test results. Smoldering test uses exposed test, which is easily affected by the outside world and affects accuracy. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of cigar tobacco smoldering nature testing device to solve the problems raised in the background art.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a kind of cigar tobacco smoldering nature testing device, including test box, the both sides of test box are communicated with ventilation hopper, the side of two ventilation hoppers is respectively communicated with air inlet pipe and air outlet pipe, air outlet pipe's side is installed with speed-regulating fan, the side of speed-regulating fan is communicated with air outlet pipe;

[0006] Air outlet pipe is inlaid with inclined electric push rod and limiting tube in the periphery, the inner cavity of limiting tube is provided with the sampling equipment matched for smoke sampling, and the moving part of inclined electric push rod is connected with the obturation block for obturating limiting tube.

[0007] As a preferred embodiment, the top end of the test box is rotatably connected with a movable door, and the top end of the movable door and the side surface of the test box are both inlaid with a perspective window.

[0008] As a preferred embodiment, the top end of the movable door is provided with a linear motor, and the outer periphery of the moving part of the linear motor is provided with an L-shaped assembly plate.

[0009] As a preferred embodiment, the side surface of the assembly plate is provided with a plurality of cameras for recording the cigar leaf smoldering test.

[0010] As a preferred embodiment, the inner bottom wall of the test box is provided with a vertical support plate, and the top end of the vertical support plate is provided with a heat-resistant fixing clamp for fixing the cigar leaf to be tested for smoldering.

[0011] As a preferred embodiment, the side surface of the test box is provided with an oxygen tank and a gas storage tank, and the oxygen tank and the gas storage tank are communicated with the air inlet pipe through a communication pipe.

[0012] As a preferred embodiment, the outer periphery of the communication pipe is provided with a solenoid valve and a flow meter.

[0013] As a preferred embodiment, the inner wall of the air inlet pipe is provided with a plurality of heating pipes, the outer periphery of the air inlet pipe is provided with a thermometer and an oxygen concentration sensor, and the thermometer and the oxygen concentration sensor are arranged between the heating pipes and the test box.

[0014] Compared with the prior art, the technical effects and advantages of the present application are:

[0015] The cigar leaf smoldering test device, the cooperation of the test box with the two air vents, the air inlet pipe and the air outlet pipe forms a controllable ventilation semi-closed environment, which is less affected by the outside environment and has higher accuracy compared with the exposed test;

[0016] The cigar leaf smoldering test device, the speed-regulating fan performs air draft, and auxiliary air flows from the air inlet pipe, the test box and the air outlet pipe, the power of the speed-regulating fan is adjusted to change the air speed, thereby adapting to smoldering tests in various conditions, the heating pipes of the air inlet pipe heat the position of the air inlet, simulate tests in various temperature environments, the oxygen tank increases oxygen, and the gas storage tank introduces carbon dioxide or nitrogen to simulate tests in various oxygen environments.

[0017] The cigar leaf smoldering test device, the camera can record the smoldering of the cigar leaf in the test box, the linear motor drives the camera to move in cooperation, improves the accuracy of the recording, and the sampling device can be used for sampling, and the inclined electric push rod drives the blocking block to move, thereby blocking the limiting pipe.

[0018] The cigar leaf smoldering test device can not only be adjusted in multiple ways, but also be in a controllable ventilation semi-closed environment to simulate tests in different environments. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the specific embodiments of the present application or the technical solutions in the prior art, the following will briefly introduce the drawings needed to be used in the specific embodiments or the prior art description. Obviously, the drawings described below are some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0020] Fig. 1 It is a structural schematic view of the present application.

[0021] Fig. 2 It is a sectional view of the present application.

[0022] Fig. 3 It is a top view of the movable door of the test box after being removed.

[0023] Fig. 4 It is a structural schematic view of the inclined electric push rod of the present application.

[0024] Explanation of reference signs:

[0025] In the drawings:

[0026] 1, test box; 2, air inlet; 3, air inlet pipe; 4, air outlet pipe; 5, speed regulating fan; 6, air outlet pipe; 7, inclined electric push rod; 8, limiting pipe; 9, sampling equipment; 10, plugging block; 11, movable door; 12, linear motor; 13, assembly plate; 14, camera; 15, vertical support plate; 16, heat-resistant fixed clamp; 17, oxygen tank; 18, communication pipe; 19, flow meter; 20, heating pipe; 21, thermometer; 22, oxygen concentration sensor. Embodiment

[0027] In the following description, a large number of specific details are given in order to provide a more thorough understanding of the present application. However, it is obvious to those skilled in the art that the present application can be implemented without one or more of these details. In other examples, in order to avoid confusion with the present application, some technical features known in the art are not described.

[0028] Unless the direction indicated by the definition is separately defined, the directions such as up, down, left, right, front, back, inside and outside involved in this paper are based on the directions such as up, down, left, right, front, back, inside and outside in the drawings shown by the present application, which are described herein.

[0029] The connection mode can adopt existing modes such as bonding, welding, bolt connection, etc., and the actual needs are subject to the actual needs. The technology, method and equipment known to those skilled in the related art may not be discussed in detail, however, in appropriate cases, the technology, method and equipment should be considered as part of the specification, and the proportion of the device in the drawing is only for reference, and can be adjusted to a certain extent according to the actual use.

[0030] The environment of the present application is slightly higher than room temperature, and all structures and instruments are specially protected. The overall design ensures a sealed environment to reduce external influences.

[0031] Please refer to Figs. 1 to 4 As shown in the figure, a cigar leaf smoldering test device, the embodiment includes a test box 1, both sides of the test box 1 are communicated with air hoppers 2, the sides of the two air hoppers 2 are communicated with air inlet pipes 3 and air outlet pipes 4 respectively, the side of the air outlet pipe 4 is installed with a speed regulating fan 5, the side of the speed regulating fan 5 is communicated with an air outlet pipe 6, the cooperation of the test box 1 with the two air hoppers 2, the air inlet pipe 3 and the air outlet pipe 4 forms a controllable ventilation semi-closed environment, compared with the exposed test, the influence of the outside world is smaller, and the accuracy is higher.

[0032] The outer periphery of the air outlet pipe 4 is embedded with an inclined electric push rod 7 and a limiting pipe 8, the inner wall of the limiting pipe 8 is bonded with a rubber sleeve for improving the sealing performance, the inner cavity of the limiting pipe 8 is provided with an adapted sampling device 9 for sampling flue gas, the sampling device 9 can select a component with a pumping function, the moving part of the inclined electric push rod 7 is connected with a plugging block 10 for plugging the limiting pipe 8, the sampling device 9 pumps and samples, after sampling is completed, the inclined electric push rod 7 is controlled to elongate, so that the plugging block 10 plugs the limiting pipe 8, facilitating replacement of the new sampling device 9.

[0033] The top end of the test box 1 is rotatably connected with a movable door 11, the top end of the movable door 11 and the side of the test box 1 are both embedded with a perspective window, the inner bottom wall of the test box 1 is installed with a vertical support plate 15, the top end of the vertical support plate 15 is installed with a heat-resistant fixing clamp 16 for fixing the cigar leaf whose smoldering needs to be tested, the heat-resistant fixing clamp 16 is used to fix the cigar leaf which needs to be tested, and then the movable door 11 is closed.

[0034] In order to record, the top end of the movable door 11 is installed with a linear motor 12, the outer periphery of the moving part of the linear motor 12 is installed with an L-shaped assembly plate 13, the side of the assembly plate 13 is installed with a plurality of cameras 14 for recording the smoldering of the cigar leaf, the cameras 14 can record the smoldering of the cigar leaf in the test box 1, and the linear motor 12 can drive the cameras 14 to move in cooperation, improving the accuracy of recording.

[0035] In order to adjust, simulate a variety of test environment, the side of the test box 1 is provided with an oxygen tank 17 and a gas storage tank, which can store carbon dioxide, nitrogen and the like, so as to adjust the oxygen content of the air actually entering the test box 1, the oxygen tank 17 and the gas storage tank are communicated with the air inlet pipe 3 through a communication pipe 18, the outer periphery of the communication pipe 18 is provided with an electromagnetic valve and a flow meter 19, the inner wall of the air inlet pipe 3 is provided with a plurality of heating pipes 20, the outer periphery of the air inlet pipe 3 is provided with a thermometer 21 and an oxygen concentration sensor 22, and the thermometer 21 and the oxygen concentration sensor 22 are arranged between the heating pipes 20 and the test box 1, the speed regulating fan 5 is started, and the heating pipes 20, the oxygen tank 17 and the gas storage tank are optionally started, air flows from the air inlet pipe 3, the test box 1 and the air outlet pipe 4, and the smoldering test of the cigar leaf is realized.

[0036] The speed regulating fan 5, the inclined electric push rod 7, the linear motor 12, the camera 14, the oxygen tank 17, the gas storage tank, the flow meter 19, the heating pipe 20, the thermometer 21 and the oxygen concentration sensor 22 are all conventional instruments, and the working principle, size and model are irrelevant to the problem solved by the present application, so they will not be described in detail, the control mode of the utility model is controlled by a controller, the control circuit of the controller can be realized by simple programming of the person skilled in the art, and the power supply also belongs to the common knowledge in the art, and the utility model is mainly used for protecting mechanical devices, so the control mode and the circuit connection will not be explained in detail.

[0037] Working principle

[0038] The cigar leaf smoldering test device fixes the cigar leaf to be tested by the heat-resistant fixed clamp 16, ignites it, then covers the movable door 11, starts the speed regulating fan 5, and optionally starts the heating pipe 20, the oxygen tank 17 and the gas storage tank, air flows from the air inlet pipe 3, the test box 1 and the air outlet pipe 4, and the smoldering test of the cigar leaf is realized, the heating pipe 20 of the air inlet pipe 3 is heated, the oxygen tank 17 is oxygenated, and the gas storage tank introduces carbon dioxide or nitrogen to simulate a variety of environmental tests.

[0039] In this process, the camera 14 can record the smoldering of the cigar leaf in the test box 1, and the linear motor 12 can drive the camera 14 to move in cooperation, thereby improving the accuracy of recording, the sampling device 9 is used for sampling, and after sampling is completed, the inclined electric push rod 7 is controlled to be elongated, so that the blocking block 10 blocks the limiting pipe 8, and the new sampling device 9 is convenient to replace.

[0040] It has to be noted that, in the present document, the terms "comprising", "including", and "having" should be interpreted as specifying the presence of the stated features but not precluding the presence of one or more other features. It should also be noted that, in the present document, the term "or" should be interpreted as the logical or, i.e. requiring at least one of the presented options to be true.

[0041] While the embodiments of the present application have been illustrated and described, it will be understood by those skilled in the art that various changes, modifications, substitutions, and alterations can be made therein without departing from the spirit and scope of the application as defined by the appended claims and their equivalents.

Claims

1. A cigar leaf smolderability testing apparatus comprising a test chamber (1), characterized in that: Both sides of the test box (1) are communicated with ventilation hoppers (2), the sides of the two ventilation hoppers (2) are respectively communicated with air inlet pipes (3) and air outlet pipes (4), the side of the air outlet pipe (4) is installed with a speed regulating fan (5), the side of the speed regulating fan (5) is communicated with an air outlet pipe (6); The outer periphery of the air outlet pipe (4) is embeddedly installed with an inclined electric push rod (7) and a limiting pipe (8), the inner cavity of the limiting pipe (8) is provided with an adapted sampling device (9) for flue gas sampling, the moving part of the inclined electric push rod (7) is connected with a blocking block (10) for blocking the limiting pipe (8).

2. A test device for determining the smoulderability of a cigar leaf according to claim 1, wherein, The top end of the test box (1) is rotatably connected with a movable door (11), the top end of the movable door (11) and the side of the test box (1) are both embeddedly installed with a perspective window.

3. A test device for determining the smoulderability of a cigar leaf according to claim 2, wherein, The top end of the movable door (11) is installed with a linear motor (12), the outer periphery of the moving part of the linear motor (12) is installed with an L-shaped assembly plate (13).

4. A test device for testing the smoulderability of a cigar leaf according to claim 3, wherein, The side of the assembly plate (13) is installed with a plurality of cameras (14) for recording cigar tobacco smoldering test.

5. A test device for determining the smoulderability of a cigar leaf according to claim 1, wherein, The inner bottom wall of the test box (1) is installed with a vertical support plate (15), the top end of the vertical support plate (15) is installed with a heat-resistant fixing clamp (16) for fixing cigar tobacco leaves needing to be tested for smoldering.

6. A test device for determining the smoulderability of a cigar leaf according to claim 1, wherein, The side of the test box (1) is installed with an oxygen tank (17) and a gas storage tank, the oxygen tank (17) and the gas storage tank are communicated with the air inlet pipe (3) through a communication pipe (18).

7. A test device for testing the smoulderability of a cigar leaf according to claim 6, wherein, The outer periphery of the communication pipe (18) is installed with a solenoid valve and a flow meter (19).

8. A test device for determining the smoulderability of a cigar leaf according to claim 1, wherein, The inner wall of the air inlet pipe (3) is installed with a plurality of heating pipes (20), the outer periphery of the air inlet pipe (3) is installed with a thermometer (21) and an oxygen concentration sensor (22), and the thermometer (21) and the oxygen concentration sensor (22) are arranged between the heating pipes (20) and the test box (1).

Citation Information

Patent Citations

  • Testing device for tobacco free combustibility

    CN203965331U