CN209167176U - Electric heating low temperature cigarette experimental provision - Google Patents

Abstract

The utility model discloses a kind of electric heating low temperature cigarette experimental provisions, belong to tobacco product technical field of experiment equipment, it includes heating component, and heating component includes calorie source and at least one low temperature cigarette heating unit, and calorie source is alternatively connect with low temperature cigarette heating unit；Low temperature cigarette heating unit includes heat conducting element and at least accommodates the accommodating cavity of a part of cigarette to be detected, and heat conducting element is used to receive the heat of the calorie source and transfers heat to cigarette to be detected, and cigarette to be detected is made to discharge flue gas under non-burning state.Experimental provision in the utility model can simulate smoking conditions of all kinds of different size cigarette products under different heating temperature, heating method, heating speed, and a variety of tests are carried out to heating process and smoking conditions, it meets in R&D process to the detection demand of non-burning cigarette's quality parameter.

Description

Electric heating low-temperature cigarette experimental device

Technical Field

The utility model belongs to the technical field of tobacco products experimental facilities, especially, relate to an electrical heating low temperature cigarette experimental apparatus.

Background

In a conventional cigarette, tobacco is ignited at the combustion section of the cigarette, and the smoke entering the cigarette is drawn at the external filter section of the cigarette. The burning of the cigarette generally needs to reach about 900 ℃, and various gas products and distillate generated by burning can be released from the tobacco. During the burning process of the cigarette, a large amount of smoke containing biological toxicity and harmful chemical components can be generated, which is harmful to human health and pollutes the environment. Meanwhile, the essence added into the tobacco products is combusted and decomposed along with the combustion of the cigarettes, so that the original quality of the essence is damaged. Therefore, the low-temperature cigarette can be produced at the same time. The low-temperature cigarette is a novel cigarette which is not burnt, directly heats the heating section of the low-temperature cigarette through an electric heater, dries out the fragrant substances in the tobacco, does not generate harmful substances and side-stream smoke generated by high-temperature burning of the traditional cigarette, and can be randomly suspended and restarted by a smoker.

A great deal of research shows that harmful ingredients in the cigarettes are generated during high-temperature combustion to a great extent, so that a low-temperature non-combustion tobacco product is actively developed in the tobacco industry at present, the temperature of the cigarettes is controlled to be lower than the ignition point of the tobacco through an external heating source, the temperature is generally controlled within the range of 200-400 ℃, and the cigarettes only undergo a pyrolysis reaction instead of an oxidation reaction, so that the aim of reducing the release of the harmful ingredients is fulfilled.

However, the difference between the released smoke components of the cigarette in the non-combustion state and the combustion state is not clear at present, the temperature point at which the release efficiency of harmful components and flavor components in the smoke of the cigarette is highest in the heating non-combustion state is not clear, and at present, no corresponding experimental method and experimental equipment for analyzing and comparing the harmful components and the flavor components are available.

Patent CN204462120U discloses a smoking machine, which comprises a cigarette holder and an analysis unit, wherein the cigarette holder comprises a cigarette accommodating device for accommodating cigarettes, a cigarette heating device for heating the cigarettes to make the cigarettes release smoke under a non-combustion state, a cigarette temperature measuring device for detecting the temperature of the cigarettes, and a temperature control device for controlling the cigarette heating device to heat to a set temperature, and the analysis unit is used for analyzing components in the smoke released by the cigarettes. Although the smoking machine can be used for analyzing harmful components and aroma components of smoke released by cigarettes in a non-combustion state, the smoking machine can only be suitable for detecting cigarettes of the same size and the same heating mode in the detection process, and the smoking machine cannot finish detection aiming at cigarette products of different sizes and specifications.

It will thus be seen that the prior art is susceptible to further improvements and enhancements.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an avoid the weak point that above-mentioned prior art exists, provide an electrical heating low temperature cigarette experimental apparatus to enlarge its application scope and detect the kind of cigarette.

The utility model discloses the technical scheme who adopts does:

electric heating low temperature cigarette experimental apparatus includes: the heating assembly comprises a heat source and at least one low-temperature cigarette heating unit, and the heat source is alternatively connected with the low-temperature cigarette heating unit; the low-temperature cigarette heating unit comprises a heat conduction element and an accommodating cavity at least accommodating a part of a cigarette to be detected, wherein the heat conduction element is used for receiving heat of the heat source and transferring the heat to the cigarette to be detected, so that the cigarette to be detected releases smoke in a non-combustion state.

The heating assembly further comprises a turntable, each low-temperature cigarette heating unit is arranged on the turntable, and the accommodating cavities of the low-temperature cigarette heating units are different in size or partially identical; the experimental device also comprises a rotary driving mechanism for driving the rotary disc to rotate so as to enable the heat source to be connected with the low-temperature cigarette heating unit alternatively.

The holding cavity is detachably connected with the heat conducting element, and the experimental device is provided with a plurality of sets of holding cavities with different sizes.

At least one of the heat source and the low temperature cigarette heating unit is movable relative to the other.

The heat conducting element is a peripheral heat conducting element, and the heat conducting element at least partially wraps the accommodating cavity.

The heat conducting element is an inner core type heat conducting element, and at least part of the heat conducting element is inserted into the accommodating cavity.

The experimental device also comprises a cigarette clamping unit, and the cigarette clamping unit is used for clamping the filter tip section of the cigarette to be detected; at least one of the cigarette clamping unit and the low temperature cigarette heating unit is movable relative to the other.

The cigarette clamping unit comprises a cigarette clamp, the cigarette clamp is provided with a suction nozzle in butt joint with the filter tip section of the cigarette to be detected, and an elastic sealing ring is arranged in the suction nozzle.

The experimental device also comprises a trapping unit, wherein the trapping unit is used for sucking and trapping smoke released by the cigarette to be detected; the trapping unit comprises a trap, a vacuum generator and a gas pipeline, one end of the trap is connected with the filter tip section of the cigarette to be detected through the gas pipeline, and the other end of the trap is connected with the vacuum generator through the gas pipeline.

The trapping unit further comprises a trap mounting frame, and the trap mounting frame are detachably connected.

Since the technical scheme is used, the utility model discloses the beneficial effect who gains does:

1. the utility model provides an experimental apparatus can be adapted to the detection of the low temperature non-burning cigarette of different external diameters, different length specifications, just the utility model provides a multiple modes such as heating unit optional peripheral heating formula, inner core heating formula and combined heating formula are treated the cigarette and are detected and heat, have satisfied the detection demand to the various performance parameters of the cigarette product of different specifications, different heating methods, different suction modes.

2. The utility model provides an experimental apparatus is through the different cigarette of simulation at different suction methods, different heating methods and the operating condition under the different rate of heating, the detection demand to the various performance parameters of incombustible cigarette in the research and development process has been satisfied, and can be simply and rapidly carry out the analysis to the low temperature cigarette in the heating situation of the non-combustion state under the smoke release condition and tobacco material, research and development and detection for the incombustible cigarette product of electrical heating provide technical support, design for the heating incombustible smoking set provides key parameter, thereby make the product satisfy the market demand better.

3. The utility model discloses be particularly useful for the laboratory with a small batch of cigarette test, through the utility model discloses can provide the experiment foundation for the research and development, production and the popularization of heating non-burning tobacco products.

Drawings

The accompanying drawings, which are described herein, serve to provide a further understanding of the invention and constitute a part of this specification, and the exemplary embodiments and descriptions thereof are provided for explaining the invention without unduly limiting it. In the drawings:

fig. 1 is a schematic view of a part of the structure of the experimental apparatus in the embodiment of the present invention.

Fig. 2 is a schematic diagram of the relative positions of the heating unit, the cigarette clamping unit and the catcher according to the embodiment of the present invention.

Fig. 3 shows a schematic diagram of the relative position relationship between the heat transfer rod and the accommodating chamber when the cigarette is to be detected by peripheral heating in embodiment 1 of the present invention.

Fig. 4 shows a first perspective view of a transmission according to an embodiment of the present invention.

Fig. 5 shows an axonometric view two of the transmission mechanism in an embodiment of the invention.

Fig. 6A shows a schematic diagram of a relative position relationship between the heating sheet and the accommodating cavity when the cigarette is to be detected by heating the heating sheet in embodiment 2 of the present invention.

Fig. 6B shows a schematic diagram of a relative position relationship between the heating needle and the accommodating chamber when the cigarette is to be detected by heating the heating needle in embodiment 2 of the present invention.

Fig. 7 is a schematic diagram showing the relative position relationship among the heat transfer rod, the heat transfer base and the heating sheet when the cigarette to be detected is heated by the combined heating type in embodiment 3 of the present invention.

Fig. 8 is an assembly diagram of the turntable, the heat conducting element and the accommodating chamber in embodiment 4 of the present invention.

Fig. 9 shows receiving cavities having different inner diameter dimensions.

Wherein,

1. heating component 11, heat source 12, linear driving mechanism 13, heat transfer rods 14 and 112, accommodating cavity 15, support 16, linear guide rail 17, guide sliding block 18, heating sheet 19, heating needle 110, heat transfer base 111, rotary table 2, cigarette clamping unit 21, cigarette clamp 22, clamp driving mechanism 3, trapping unit 31, trap 32, trap mounting rack 33, sealing element 34, sealing element mounting rack 35, driving mechanism 36, needle cylinder 37, linkage plate 38, servo motor 39, lead screw 310, guide rail 311, guide sliding block 4, touch display screen

Detailed Description

In order to more clearly explain the overall concept of the present invention, the following detailed description is given by way of example in conjunction with the accompanying drawings.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.

In addition, in the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplification of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; the connection can be mechanical connection, electrical connection or communication; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Example 1:

as shown in fig. 1 and 2, the comprehensive analysis experimental device for the electrically heated low-temperature cigarette comprises a heating assembly 1, a cigarette clamping unit 2, a trapping unit 3 and a control unit.

The heating assembly 1 comprises a heat source 11 and at least one low-temperature cigarette heating unit, wherein the heat source 11 is optionally connected with the low-temperature cigarette heating unit. The low-temperature cigarette heating unit comprises a heat conducting element and an accommodating cavity 14 at least accommodating a part of a cigarette to be detected, wherein the heat conducting element is used for receiving heat of the heat source 11 and transferring the heat to the cigarette to be detected, so that the cigarette to be detected releases smoke in a non-combustion state.

The cigarette clamping unit 2 is used for clamping a cigarette to be detected. The trapping unit 3 is used for sucking and trapping smoke released by the cigarette to be detected. At least one of the heating assembly 1, the cigarette holding unit 2 and the trap unit 3 is movable relative to the other units.

The control unit is used for controlling the heating mode, the heating temperature and the heating speed of the heating assembly 1. The control unit is also used for controlling the suction profile, suction capacity, suction time and suction frequency of the trap unit 3.

As shown in fig. 1 and 2, in the present embodiment, the heating assembly 1 further includes a bracket 15, and the heat conducting element and the receiving cavity 14 are both disposed on the bracket 15.

In the utility model discloses in, heat source 11 with at least one in the low temperature cigarette heating unit can remove for another, in order to realize relative separation between heat source 11 and the heat-conducting element and draw close.

As shown in fig. 1 and fig. 2, in this embodiment, the heat source can move relative to the low-temperature cigarette heating unit, and the heating assembly 1 further includes a linear driving mechanism 12 for driving the heat source 11 to perform a linear motion. The utility model discloses in, linear drive mechanism 12's structural style has the multiple: for example, the heat source can be driven to perform linear feeding by adopting a hydraulic cylinder or an air cylinder; for another example, a mode that a motor is matched with a ball screw pair can be adopted to drive the heat source to perform linear feeding; for another example, the heat source is driven to perform linear feeding by adopting a mode of matching a motor with a slider-crank mechanism. Of course, the structure of the linear driving mechanism 12 in the present invention is not limited to the above-mentioned exemplary embodiments, and other linear driving mechanisms may be adopted.

In this embodiment, the experimental apparatus further includes a guiding structure for guiding the linear feeding motion of the heat source 11, and the guiding structure includes a linear guide rail 16 laid along the motion direction of the heat source 11 and a guiding slide block 17 disposed at the bottom of the heat source 11.

The heat source 11 is driven by the linear driving mechanism 12 to separate from and approach to the heat conducting element. The utility model discloses in, non-contact mounting means between heat source 11 and the heat conduction component has satisfied experimental apparatus is to the demand of switching heating methods, in this embodiment, heating element 1's heating method is peripheral heating formula.

Specifically, as shown in fig. 1 to 3, the heat conducting element includes a heat transfer rod 13 and a heat transfer base, the heat transfer base is mounted on the bracket 15 and is adjacent to the accommodating chamber 14, and one end of the heat transfer rod 13 is connected to the heat transfer base. Be provided with heat transfer rod heating chamber on the heat source 11, the internal surface cladding in heat transfer rod heating chamber has the heater strip, when needs the heating when waiting to detect cigarette, through linear drive mechanism 12 will heat source 11 pushes away to heat transfer rod 13 can be located the position of heating intracavity partially at least, heat source 11 passes through heat transfer rod 13 and heat transfer base to holding chamber 14 conveying heat.

The accommodating chamber 14 may be made of stainless steel, iron or quartz glass, and of course, the accommodating chamber 14 may also be made of other heat-conducting materials. The cigarette to be detected is located in the accommodating cavity 14, and the cigarette to be detected is heated in a baking type peripheral heating mode.

In the process of heating the cigarette to be detected, the whole heating temperature needs to be kept stable and uniform, and the tobacco shreds are ensured to generate stable and uniform smoke components in the heating process. The experimental device further comprises a temperature measuring unit, wherein the temperature measuring unit is used for detecting the temperatures of the heat source 11, the accommodating cavity 14 and the cigarette to be detected, and transmitting the detected temperature signals to the control unit in real time. The control unit controls the heating temperature in real time according to the temperature signal transmitted by the temperature measuring unit.

The temperature measuring unit comprises a first temperature measuring sensor for detecting the temperature in the heating cavity of the heat transfer rod, a second temperature measuring sensor for measuring the temperature of the inner surface of the accommodating cavity 14, a third temperature measuring sensor for measuring the surface temperature of the cigarette to be detected and a fourth temperature measuring sensor for measuring the temperature at the central position of the cigarette to be detected, of course, more temperature measuring points can be arranged for more fully measuring the temperature difference of each heating position of the cigarette to be detected and the temperature change in the heating process, as shown in figure 3, the positions of three temperature measuring points A, B, C are shown, when the temperature signals at each temperature measuring point are transmitted to the control unit, the control unit can adjust a more reasonable temperature control mode so that the heating temperature can be controlled in a set range, and meanwhile, by arranging a plurality of temperature measuring points, and the accurate measurement and the accurate recording of the temperatures of different heating positions can be realized.

The control unit controls parameters such as heating temperature, heating speed and the like by changing the current or voltage of the heating wire so as to investigate the smoke release condition of the non-burning cigarettes in different heating states and the condition of tobacco materials, and provides key parameters for the design of heating the non-burning smoking set and the tobacco formula. In addition, a user can set different heating curves by himself and control the temperature of the heating wire through the control unit according to the set heating curves.

In order to satisfy the holding demand of waiting to detect cigarette heating section of different external diameter size, holding chamber 14 with be detachable connection between the support 15, experimental apparatus has the holding chamber 14 of many sets of different internal diameter sizes, be 6.0mm, 7.0mm, 8.0mm, 9mm, 10mm, 12mm, 15 mm's holding chamber respectively like the internal diameter, of course, also can customize the holding chamber of different internal diameters according to actual need, holding chamber 14 still is configured to have different length to the heating demand of waiting to detect the cigarette of adaptation different length sizes. In addition, in order to adapt to cigarettes to be detected with different contour shapes, the accommodating cavity 14 in the embodiment is configured to have an inner surface matched with the outer contour of the cigarettes to be detected. Aiming at the cigarettes to be detected with different inner diameter sizes and outer contour shapes, the support 15 can be provided with a containing cavity matched with the inner diameter and the outer contour of the cigarettes to be detected.

The cigarette clamping unit 2 comprises a cigarette clamp 21, and the cigarette clamp 21 is used for clamping a filter section of a cigarette to be detected.

In order to meet the clamping requirements of the cigarette filter segments to be detected with different length sizes and the clamping requirements of the cigarettes to be detected on the cigarette holder 21 and the accommodating cavity 14, at least one of the cigarette holding unit 2 and the low-temperature cigarette heating unit can move relative to the other.

The present embodiment provides the cigarette clamping unit 2 to be movable relative to the accommodating chamber 14. Specifically, the cigarette clamping unit 2 further comprises a clamp driving mechanism 22 for driving the cigarette clamp 21 to make a linear motion, and the cigarette clamp 21 is pushed to a proper position by the clamp driving mechanism 22, so as to clamp a cigarette to be detected. The utility model discloses in, holder actuating mechanism 22's structural style has the multiple: for example, the cigarette holder 21 can be driven to perform linear feeding by adopting a hydraulic cylinder or an air cylinder; for another example, a mode that a motor is matched with a ball screw pair can be adopted to drive the cigarette holder 21 to perform linear feeding; for another example, the cigarette holder 21 is driven to perform linear feeding by adopting a mode of matching a motor with a slider-crank mechanism. Of course, the structure of the driving mechanism 22 of the clamp in the present invention is not limited to the above-mentioned exemplary embodiments, and other driving mechanisms can be adopted.

As shown in fig. 1 and 2, the experimental device further includes a guiding structure for guiding the linear feeding motion of the cigarette holder 21, and the guiding structure includes a linear guide rail laid along the motion direction of the cigarette holder 21 and a guiding slide block disposed below the cigarette holder 21.

A suction nozzle which is in butt joint with the filter tip section of the cigarette to be detected is arranged at the cigarette holder 21. In order to meet the sealing requirements of the filter tip sections of cigarettes to be detected with different outer diameter sizes during smoking, an elastic sealing ring is arranged in the smoking tip. And the filter tip section of the cigarette to be detected is placed into the suction nozzle, and during suction, the sealing ring automatically covers one end of the filter tip section of the cigarette to be detected under the action of negative pressure to form sealing, so that the exposure of smoke is avoided.

The trapping unit 3 comprises a trap 31, a vacuum generator and a gas pipeline, one end of the trap 31 is connected with the filter tip section of the cigarette to be detected through the gas pipeline, and the other end of the trap 31 is connected with the vacuum generator through the gas pipeline.

As shown in fig. 1 and 2, the trap unit 3 further comprises a trap mounting frame 32, and the trap 31 is detachably connected with the trap mounting frame 32, so that the trap can be replaced conveniently. The catcher 31 comprises an air inlet end, an air outlet end and a cambridge filter sheet arranged between the air inlet end and the air outlet end, wherein the cambridge filter sheet is used for catching total particulate matters in the flue gas.

The trapping unit 3 further comprises a first sealing structure for sealing the air inlet end of the trap 31, a second sealing structure for sealing the air outlet end of the trap 31, and a driving mechanism 35 for respectively driving the first and second sealing structures to approach or be far away from the trap 31. The trap 31 is arranged between a first sealing means and a second sealing means.

As shown in fig. 2, each of the first and second sealing structures includes a sealing member 33 and a sealing member mounting frame 34, the sealing member 33 is a hollow structure, one end of the sealing member 33 is fitted with the gas inlet and outlet ends of the trap 31, and the other end of the sealing member 33 is connected to a gas pipeline. When smoke needs to be trapped, the first sealing structure and the second sealing structure are driven by the driving mechanism to move towards the trap 31, until one end of the first sealing structure sealing element 34 is in butt joint sealing with the air inlet end of the trap 31, one end of the second sealing structure sealing element 33 is in butt joint sealing with the air outlet end of the trap 31, smoke sequentially passes through the air pipeline from the filter tip section of the cigarette to be detected, the inside of the first sealing structure sealing element 34 and the air inlet end of the trap 31 to flow to the Cambridge filter element, and flows to the following needle cylinder 36 from the air outlet end of the trap 31, the inside of the second sealing structure sealing element 34 and the air pipeline.

When the catcher 31 needs to be disassembled and replaced, the first sealing structure and the second sealing structure are driven by the driving mechanism 35 to move to a proper position in a direction away from the catcher 31, and then the catcher 31 is disassembled from the catcher mounting frame 32.

The driving mechanism for driving the first sealing structure and the second sealing structure to move can be in various forms, and in this embodiment, two micro cylinders are preferably used to drive the first sealing structure and the second sealing structure to make linear feeding movement respectively. Of course, the structure of the driving mechanism 35 in the present invention is not limited to the micro cylinder, and other structures may be adopted.

The experimental device in the embodiment is also provided with a product suction port for manually analyzing the taste, aroma, harmony, miscellaneous gas, irritation, aftertaste, sweet and greasy feeling, smoke amount and the like of smoke generated by heating the cigarette to be detected. In this embodiment, a three-way member is disposed behind the cigarette holder 21, and after smoke passes through the three-way member, one path of smoke is connected to the product suction port through a gas pipeline, and the other path of smoke is connected to the trapping unit 3 through a gas pipeline.

The vacuum generator comprises a syringe 36, a piston rod and a piston arranged in the syringe 36; the capture unit 3 further comprises a piston rod driving mechanism for driving the piston rod to move axially along the syringe 36.

The piston rod driving mechanism comprises a servo motor 38 and a transmission assembly, and the servo motor 38 drives the piston rod to reciprocate through the transmission assembly. And displacement sensors for monitoring the motion stroke of the piston are arranged in the piston or the needle 36 cylinder.

As shown in fig. 4 and 5, in this embodiment, the transmission mechanism includes a ball screw pair, a linkage plate 37 and a guide assembly, the ball screw pair includes a screw 39 and a screw nut adapted to the screw 39, the screw 39 is connected to an output shaft of the servo motor 38, the linkage plate 37 is substantially T-shaped, a slot for mounting the piston rod is provided on the linkage plate 37, the screw nut is connected to the linkage plate 37, the output shaft of the servo motor 38 drives the screw 39 to rotate to drive the linear feed of the screw nut, so that the linkage plate 37 drives the piston rod to move, and the linear feed direction of the screw nut is consistent with the axial direction of the syringe 36.

The guide assembly comprises a guide rail 310 parallel to the axial direction of the syringe 36 and a guide slider 311 arranged on one side of the linkage plate 37, the guide slider 311 is connected with the linkage plate 37, and when the linkage plate 37 moves, the linkage plate moves along the guide rail 310 through the guide slider 311.

Of course, the utility model provides a drive mechanism not only limits to the cooperation mode of foretell ball screw pair + linkage plate, can also adopt other transmission modes to realize as long as can with the rotary motion of servo motor 38 output shaft converts into the linear motion of piston rod can.

The control unit comprises a touch display screen 4 and a PLC (programmable logic controller), and the motor speed, the suction amount, the suction time, the suction curve and the suction frequency can be set through the touch display screen 4. The utility model provides a control unit can carry out diversified setting to the suction curve, and possesses full automatic calibration and record function, can accomplish the ISO3308 suction curve (rectangle, trapezoidal, bell-shaped, triangle-shaped, square wave etc.) of standard or the suction curve that the user independently set for.

The utility model discloses a servo motor 38 drives the piston motion, and the stroke that the piston was walked is exactly the capacity of suction, thereby realizes the accurate control to suction capacity through the data ization control to servo motor 38. The utility model discloses a PLC controller accurate control servo motor 38's speed variation takes place the change of regularization by servo motor 38 drive piston to anthropomorphic dummy's suction process, also the suction curve changes according to servo motor 38 speed variation, when the speed that changes servo motor 38, just can change the mode of suction curve. The change of the servo motor 38 is recorded in a data mode, so that the real-time online recording of the suction quantity curve, the suction time and the suction interval of each time of the low-temperature non-burning cigarettes is realized, and all the suction parameters of each cigarette can be presented completely in the later stage.

Example 2:

the present embodiment is basically the same as embodiment 1 in structure and principle, except that: the heating module in example 1 is heated by a peripheral heating method, while the heating module in this example is heated by a core heating method.

The heat conducting element in this embodiment includes a heating sheet 18 and/or a heating needle 19 disposed in the accommodating cavity 14, the heating sheet 18 may be disposed in one or more sheets, and the heating needle 19 may be disposed in one or more sheets. As shown in fig. 6A and 6B, fig. 6A is a schematic view showing that a piece of heating sheet 18 is used for heating the cigarette to be detected, and fig. 6B is a schematic view showing that a plurality of heating needles 19 are used for heating the cigarette to be detected. When the heating section of the cigarette to be detected is inserted into the accommodating cavity 14, the heating sheet 18 and/or the heating needle 19 can be directly inserted into the heating section of the cigarette to be detected so as to heat the heating section. The receiving chamber 14 in this embodiment can be made of a heat insulating material. One end of the heating sheet 18 and one end of the heating needle 19 are externally connected with a power supply through a conducting circuit, and the control unit can control parameters such as heating temperature and heating speed by changing the current or voltage of the heating sheet 18 and the heating needle 19 so as to observe the smoke release condition of the tobacco material and the condition of the tobacco material in different heating states.

In this embodiment, the temperature measuring unit includes a thermocouple sensor for measuring the temperature of the heating sheet 18 and/or the heating needle 19, a temperature measuring sensor for measuring the surface temperature of the cigarette to be detected, and a temperature measuring sensor for measuring the temperature at the central position of the cigarette to be detected. Of course, more temperature measuring points can be arranged to obtain temperature information at more positions.

Example 3:

the present embodiment is basically the same as embodiment 1 in structure and principle, except that: in the present embodiment, the heating means is a combination heating type, which is a combination of peripheral heating and inner core heating.

As shown in fig. 7, the heating assembly in this embodiment includes a heat source, a heat transfer rod 13, a heat transfer base 110, and a heating plate and/or a heating pin disposed in the accommodating cavity 14, one end of the heating plate and/or the heating pin is connected to the heat transfer base 110, and the other end is located in the accommodating cavity 14, heat generated by the heat source 11 is transferred to the heating plate and/or the heating pin through the heat transfer rod 13 and the heat transfer base 110, and the cigarette to be detected is directly heated by the heating plate and/or the heating pin.

Example 4:

the present embodiment is basically the same as embodiment 1 in structure and principle, except that:

compared with the embodiment 1 in which the accommodating cavity 14 and the heat transfer rod 13 are respectively arranged on the bracket 15, when cigarettes to be detected with different outer diameter sizes need to be clamped, the accommodating cavity 14 needs to be detached from the bracket 15 and replaced by an accommodating cavity matched with the outer diameter size of the cigarettes to be detected, as shown in fig. 8, the heating assembly in the embodiment further comprises a turntable 111, each low-temperature cigarette heating unit is arranged on the turntable 111, and the accommodating cavities 112 of each low-temperature cigarette heating unit are different in size or partially the same in size, so that the clamping of the cigarettes to be detected with different outer diameter sizes can be realized. That is to say, a plurality of cigarette clamping stations are arranged on the turntable 111, each cigarette clamping station includes a heat conducting element and an accommodating cavity 112 for clamping the cigarette to be detected, the heat conducting element is any one of the embodiments 1 to 3, and the sizes of the accommodating cavities 112 are different or partially the same, so as to clamp the heating sections of the cigarette to be detected with different or same outer diameter sizes. As shown in fig. 9, which shows receiving cavities having different inner diameter dimensions.

In this embodiment, the experimental apparatus further includes a rotation driving mechanism for driving the turntable 111 to rotate, and the rotation driving mechanism drives the turntable 111 to rotate so as to enable the heat source to be selectively connected with the low-temperature cigarette heating unit and enable the cigarette clamping unit to be selectively connected with the low-temperature cigarette heating unit.

Compare in embodiment 1, the utility model discloses need not to relapse right holding chamber 112 is dismantled and is changed, but directly will wait to detect the cigarette and put into rather than the holding chamber 112 of size looks adaptation to rotating turntable 111 is connected this holding chamber 112 with the heat source through heat-conducting element, and the realization is treated the heating that detects the cigarette can.

Certainly, if want to realize the demand of detecting to low temperature cigarette in batches, the utility model discloses provide the design that satisfies this demand of detecting in batches equally, set up promptly with the same heat source of holding chamber quantity and cigarette centre gripping unit on the carousel 111 make the one-to-one of heat source, holding chamber 112, cigarette holder, trap to satisfy the while to the detection of many low temperature cigarettes.

The utility model provides an experimental apparatus can survey and get the operating condition under the different heating methods of cigarette, different rate of heating to can accurate anthropomorphic dummy's different suction mode, suction mouth volume, suction interval, and can pass through the automatic entrapment flue gas of filter element, and can conveniently adjust each item parameter according to different specification products and actual need, with the variety product demand that adapts to the incombustible cigarette. The utility model discloses be particularly useful for the test demand that the laboratory was with small batch volume cigarette, can carry out the entrapment to the flue gas under different heating temperature, rate of heating and different suction modes, provide the basis for follow-up flue gas analysis.

The parts not mentioned in the utility model can be realized by adopting or using the prior art for reference.

The embodiments in the present specification are described in a progressive manner, and the same and similar parts among the embodiments are referred to each other, and each embodiment focuses on the differences from the other embodiments.

The above description is only an example of the present invention, and is not intended to limit the present invention. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims (10)

1. Electric heating low temperature cigarette experimental apparatus, its characterized in that includes:

the heating assembly comprises a heat source and at least one low-temperature cigarette heating unit, and the heat source is alternatively connected with the low-temperature cigarette heating unit;

the low-temperature cigarette heating unit comprises a heat conduction element and an accommodating cavity at least accommodating one part of a cigarette to be detected, wherein the heat conduction element is used for receiving heat of the heat source and transferring the heat to the cigarette to be detected, so that the cigarette to be detected releases smoke in a non-combustion state.

2. The electrically heated low temperature cigarette experimental apparatus of claim 1,

the heating assembly further comprises a turntable, each low-temperature cigarette heating unit is arranged on the turntable, and the accommodating cavities of the low-temperature cigarette heating units are different in size or partially identical;

the experimental device also comprises a rotary driving mechanism for driving the rotary disc to rotate so as to enable the heat source to be connected with the low-temperature cigarette heating unit alternatively.

3. The electrically heated low temperature cigarette experimental apparatus of claim 1,

the holding cavity is detachably connected with the heat conducting element, and the experimental device is provided with a plurality of sets of holding cavities with different sizes.

4. The electrically heated low temperature cigarette experimental apparatus of claim 1,

at least one of the heat source and the low temperature cigarette heating unit is movable relative to the other.

5. The electrically heated low temperature cigarette experimental apparatus of claim 1,

the heat conducting element is a peripheral heat conducting element, and the heat conducting element at least partially wraps the accommodating cavity.

6. The electrically heated low temperature cigarette experimental apparatus of claim 1,

the heat conducting element is an inner core type heat conducting element, and at least part of the heat conducting element is inserted into the accommodating cavity.

7. The electrically heated low temperature cigarette experimental apparatus of claim 1,

the experimental device also comprises a cigarette clamping unit, and the cigarette clamping unit is used for clamping the filter tip section of the cigarette to be detected;

at least one of the cigarette clamping unit and the low temperature cigarette heating unit is movable relative to the other.

8. The electrically heated low temperature cigarette experimental apparatus of claim 7,

the cigarette clamping unit comprises a cigarette clamp, the cigarette clamp is provided with a suction nozzle in butt joint with the filter tip section of the cigarette to be detected, and an elastic sealing ring is arranged in the suction nozzle.

9. The electrically heated low temperature cigarette experimental apparatus of claim 8,

the experimental device also comprises a trapping unit, wherein the trapping unit is used for sucking and trapping smoke released by the cigarette to be detected; the trapping unit comprises a trap, a vacuum generator and a gas pipeline, one end of the trap is connected with the filter tip section of the cigarette to be detected through the gas pipeline, and the other end of the trap is connected with the vacuum generator through the gas pipeline.

10. The electrically heated low temperature cigarette experimental apparatus of claim 9,

the trapping unit further comprises a trap mounting frame, and the trap mounting frame are detachably connected.