CN204925073U - Simulation smoking mechanism - Google Patents
Simulation smoking mechanism Download PDFInfo
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- CN204925073U CN204925073U CN201520625304.7U CN201520625304U CN204925073U CN 204925073 U CN204925073 U CN 204925073U CN 201520625304 U CN201520625304 U CN 201520625304U CN 204925073 U CN204925073 U CN 204925073U
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- smoking
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Abstract
The utility model relates to a tobacco research techniques field provides a simulation smoking mechanism. This mechanism includes entrapment device, getter device and controller, through the getter device make the simulation with the mainstream smoke of cigarette through the entrapment device, utilize and treat the entrapment composition among the entrapment device entrapment mainstream smoke, at this in -process, stop through opening of getter device of controller control to it is long when stopping during control the breathing in of getter device, thus accurate simulation goes out human actual smoking process, and then can survey certain harmful components's that the human body absorb volume in actual smoking process accurately.
Description
Technical field
The utility model relates to tobacco studying technological domain, specifically provides a kind of smoking-simulating mechanism.
Background technology
Tobacco and goods thereof are a kind of special crops, are again a kind of economic products, and mainly comprising four large classes, is tobacco leaf, cigar, cigarette and other tobacco product respectively.Tobacco plants easily absorbs and enriching heavy metal in growth course from environment or soil, and in aspiration procedure, part heavy metal can be sucked by human body with main flume with the form of gasoloid or metal oxide, causes high risks to health.Because China starts late to the research of heavy metal in tobacco product, compared with some developed countries, also do not have authoritative data.Current existing detection method is mostly for the mensuration of tobacco section content of beary metal, and deficienter about the report of flue gas, cigarette ash and stub part, therefore, is necessary to the research of various heavy in China tobacco and tobacco product.
In the detection to indexs such as Chemical Components in Cigarette Smoke (as heavy metal element), temperature of combustion, research institution generally selects the smoking machine of various model.Different puffing regimenses can have a significant impact the burning of cigarette, in order to make the detection data obtained between different experiments room, there is comparability, the standard aspiration condition of the smoking machine that FTC/ISO (Federal Trade Commission/ISO (International Standards Organization)) specifies is: a pumping volume 35mL, suction time 2s, puff interval 58s, standard stub length is the maximum in following length: 23mm, long+the 8mm of filter tip, long+the 3mm of paper wrapper, the smoking machine that current laboratory uses is mostly according to this standard design.
When carrying out the mensuration of content of beary metal in cigarette mainstream flue gas, due to the Smoking regime adjustable extent underaction of current most of smoking machine, the research work launched thus runs into a lot of difficulty: in the smoking population of reality, there is larger difference in the smoking habit of smoker, the smoking parameter variation range observed by different smoker is: every mouthful of pumping volume 20-80cm
3, suction time 0.8-3.0s, puff interval is 20-100s (CreightonandLewis, 1978; SchultzandSoehofer, 1978; Darrall, 1988), therefore, the standard aspiration condition that FTC/ISO formulates can not reflect the true cigarette smoking of smoker; Conventional smoking machine can not make the cigarette of burning keep stable lasting aspiration phases, therefore cannot carry out a large amount of, repeatable smoking experiment; There is some difference for the Burning velocity of kinds of cigarettes, and its puff number may be caused different, and in the main flume detected, the single port growing amount of content of beary metal may exist comparatively big error, affects accuracy and the authenticity of testing result.
Utility model content
(1) technical matters that will solve
The purpose of this utility model be to provide a kind of can the smoking-simulating mechanism of accurate simulation human body smoking process, the amount of the objectionable constituent taken in smoking process with precise determination human body.
(2) technical scheme
For achieving the above object, the utility model provides a kind of smoking-simulating mechanism, and this mechanism comprises capturing device, getter device and controller; Described getter device is for making the main flume of simulation cigarette by described capturing device, and described capturing device traps composition for trapping treating in described main flume; Described controller is for controlling the start and stop of described getter device.
Preferably, also comprise device for detecting length, described controller by described device for detecting length obtain described simulation cigarette residue length information and in the residue length of described simulation cigarette lower than the operation stopping described getter device during setting value.
Preferably, described main flume leads to described capturing device and getter device by reversal valve, and described reversal valve is used for switching passing into described main flume and pass between purge gas.
Preferably, the inspiratory flow of described getter device is adjustable.
Preferably, also comprise exhaust blower, described exhaust blower is for evacuating the flue gas produced in simulation process.
Preferably, described capturing device is many groups of series connection.
Preferably, also comprise catch tray, described catch tray is arranged on the below of described simulation cigarette, for collecting the cigarette ash of described simulation cigarette.
Preferably, also comprise clamper, described clamper is used for the stub of fixed-analog cigarette.
Preferably, the bore of described clamper is adjustable.
Preferably, O-ring seal is provided with between described clamper and described simulation cigarette.
(3) beneficial effect
A kind of smoking-simulating mechanism that the utility model provides, the main flume of simulation cigarette is made to pass through capturing device by getter device, composition is trapped again by treating in capturing device trapping main flume, in the process, the start and stop of getter device are controlled by controller, to control the inspiration time of getter device and to stop duration, thus simulate the actual smoking process of human body accurately, and then the amount of certain objectionable constituent that human body is taken in actual smoking process can be measured accurately.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of a kind of smoking-simulating mechanism that the utility model embodiment provides.
Reference numeral:
1, device for detecting length; 2, simulation cigarette; 3, catch tray; 4, clamper; 5, reversal valve; 6, flowmeter; 7, capturing device; 8, exhaust blower; 9, getter device; 10, bottle is protected
Embodiment
Below in conjunction with drawings and Examples, embodiment of the present utility model is described in further detail.Following examples for illustration of the utility model, but are not used for limiting scope of the present utility model.
In description of the present utility model, it should be noted that, unless otherwise clearly defined and limited, term " connection " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be directly be connected, also indirectly can be connected by intermediary.For the ordinary skill in the art, the concrete meaning of above-mentioned term in the utility model can be understood as the case may be.
As shown in Figure 1, a kind of smoking-simulating mechanism that the utility model provides, for trapping the heavy metal in main flume that simulation cigarette 2 produces, with the content of beary metal taken in simulating smoker's smoking process.This mechanism comprises capturing device 7, getter device 9 and controller, the simulation stub of cigarette 2 is fixed by clamper 4, air intake duct for mainstream smoke drawn is also fixed by clamper 4, and can arrange O-ring seal between clamper 4 and simulation cigarette 2, prevents the leakage of flue gas; The bore of clamper 4 is preferably adjustable, can adapt to the simulation cigarette 2 of different rugosity like this, convenient clamping; Can also arrange catch tray 3 in the below of simulation cigarette 2, for collecting cigarette ash in the process of simulation, the stub after simulation also can terminate by clamper 4 remains, thus from stub and cigarette ash, more fully can measure the content of beary metal in cigarette.
Capturing device 7 is made up of vial, bottle stopper and heavy metal chelating agent, and heavy metal chelating agent to be contained in vial and to leave ventilation space above liquid level in bottle.Bottle stopper is connected with the bottle sealing of vial, bottle stopper offers space and two extraneous air holes in air expansion bottle, an air hole is used for grafting draft tube, and one end of this draft tube is inserted into below the liquid level of heavy metal chelating agent, and the other end is communicated with the stub suction nozzle of simulation cigarette 2; Another air hole is used for grafting escape pipe, and one end that escape pipe is inserted in bottle is positioned at more than liquid level, and the other end is connected with getter device 9.
Capturing device 7 can be many groups, and many group capturing devices 7 are sequentially connected in series, and many group capturing devices 7 repeatedly can trap the heavy metal in main flume, make totally to reach the level of absorption of human body to the capture rate of heavy metal in main flume.
Getter device 9 can adopt minipump, for forming negative pressure in escape pipe, this negative pressure is passed to the stub suction nozzle place of simulation cigarette 2 successively along escape pipe, capturing device 7 and draft tube, thus suction is formed to simulation cigarette 2, make the main flume of simulation cigarette 2 flow through heavy metal chelating agent, thus reach the object of the heavy metal in the main flume of trapping simulation cigarette 2.
Wherein, getter device 9 also can be arranged on draft tube place, as long as the main flume of simulation cigarette 2 can be made by capturing device 7 by negative pressure.
Native system also comprises protection bottle 10, the structure of this protection bottle 10 is substantially identical with capturing device 7, is made up of vial and bottle stopper, and the inside of vial is hollow, bottle stopper is arranged two jacks, the escape pipe of above-mentioned capturing device 7 is inserted by a jack of this bottle stopper and is inserted into the bottom of bottle; Another jack of this bottle stopper is used for grafting escape pipe, and one end of escape pipe is near bottleneck, and the other end is connected with getter device 9.When the heavy metal chelating agent in capturing device 9 is in the effect being subject to negative pressure; liquid can expand; therefore the height of liquid level may not have the mouth of pipe of escape pipe, and heavy metal chelating agent can be inhaled in protection bottle through escape pipe, prevents from thus being directly inhaled in vacuum pump and damaging the pump housing.
Controller is connected with getter device 9, for controlling the start and stop of getter device 9, timing control unit can be set in the controller further, thus the control of the single suction duration that can realize simulation cigarette 2 and puff interval duration, make simulation process more meet the suction rule of smoker, finally can simulate heavy metal intake information accurately.
Above-mentioned draft tube can also arrange flowmeter 6, and this flowmeter 6 is connected with controller, whether meets setting requirement for the flow feeding back main flume, and controller regulates the running status of getter device 9 again according to the flow information of feedback.
Can also arrange device for detecting length 1 in mechanism, this device for detecting length 1 is connected with controller, for detecting the residue length information of simulation cigarette 2, and length information is transferred to controller.Device for detecting length 1 specifically can adopt photoelectric sensor, photoelectric sensor comprises transmitter and receiver, transmitter and receiver are along its length side by side on the pedestal of a grooved, this pedestal is arranged on the side of simulation cigarette 2, and the bearing of trend of grooved and the length direction of simulation cigarette 2 adapt.When transmitter launches Infrared to simulation cigarette 2 surperficial, receiver from the surface acquisition reflection ray of simulation by cigarette 2, and then forms corresponding electric signal and feeds back to controller, thus realizes the detection of the residue length of simulation cigarette 2.After simulation cigarette 2 is sucked up to the residue length of setting, it is out of service that controller controls getter device 9, and simulation process terminates.
Can also arrange reversal valve 5 in mechanism, main flume leads to capturing device 7 and getter device 9 by reversal valve 5, and reversal valve 5 at least has two entrances and an outlet, specifically can adopt two-position three way magnetic valve; One of them entrance is used for passing into above-mentioned main flume, and another entrance is used for passing into purge gas, and purge gas is preferably inert gas; Outlet is connected with heavy metals trapping device 7, and by the controller control mutual switching of reversal valve 5 between two entrances, namely reversal valve 5 switches passing into main flume and pass between purge gas.After carrying out repeatedly fume sample trapping (usually within 10 times), need the pipeline to flue gas flows through to clean, avoid many experiments rear section fume sample and impurities left in pipeline, affect the mensuration of subsequent experimental result.Now can select to pass into cleaning inert gas by reversal valve 5 to clean, ensure the accuracy of subsequent measurements.In addition, the inspiratory flow of getter device 9 is preferably adjustable, in cleaning process, can heighten the inspiratory flow of getter device 9, washes away dynamics, promote cleaning effect with what increase air-flow.
In addition, can also within the puff interval phase of twice pair of main flume, the operation of the device 9 that do not stop suction, but reversal valve 5 is switched to pass into purge gas, now purge gas can be fresh air, because smoker is within twice puff interval phase or can breathe, along with the carrying out breathed, the flue gas of lung remnants can be removed gradually, therefore, by the switching of solenoid valve, the flue gas that vial top is accumulated can be cemented out, simulation test is tallied with the actual situation more.Meanwhile, the cleaning of impurity in system is also become and carries out in real time, without the need to carrying out cleaning separately, can the cleanliness of moment keeping system, make each simulation all remain on higher accuracy.
Can also arrange exhaust blower 8 above the exhausr port of getter device 9 and simulation cigarette 2, exhaust blower 8 is for evacuating the flue gas produced in simulation process, in order to avoid influence research personnel's is healthy.
The above is only preferred implementation of the present utility model; should be understood that; for those skilled in the art; under the prerequisite not departing from the utility model know-why; can also make some improvement and replacement, these improve and replace and also should be considered as protection domain of the present utility model.
Claims (10)
1. a smoking-simulating mechanism, is characterized in that, comprises capturing device (7), getter device (9) and controller; Described getter device (9) is for making the main flume of simulation cigarette (2) by described capturing device (7), and described capturing device (7) traps composition for trapping treating in described main flume; Described controller is for controlling the start and stop of described getter device (9).
2. smoking-simulating mechanism according to claim 1, it is characterized in that, also comprise device for detecting length (1), described controller by described device for detecting length (1) obtain described simulation cigarette (2) residue length information and in the residue length of described simulation cigarette (2) lower than the operation stopping described getter device (9) during setting value.
3. smoking-simulating mechanism according to claim 1, it is characterized in that, described main flume leads to described capturing device (7) and getter device (9) by reversal valve (5), and described reversal valve (5) is for switching passing into described main flume and pass between purge gas.
4. smoking-simulating mechanism according to claim 3, is characterized in that, the inspiratory flow of described getter device (9) is adjustable.
5. smoking-simulating mechanism according to claim 1, is characterized in that, also comprises exhaust blower (8), and described exhaust blower (8) is for evacuating the flue gas produced in simulation process.
6. smoking-simulating mechanism according to claim 1, is characterized in that, described capturing device is many groups of series connection.
7. smoking-simulating mechanism according to claim 1, it is characterized in that, also comprise catch tray (3), described catch tray (3) is arranged on the below of described simulation cigarette (2), for collecting the cigarette ash of described simulation cigarette (2).
8. smoking-simulating mechanism according to claim 1, is characterized in that, also comprises clamper (4), and described clamper (4) is for the stub of fixed-analog cigarette (2).
9. smoking-simulating mechanism according to claim 8, is characterized in that, the bore of described clamper (4) is adjustable.
10. smoking-simulating mechanism according to claim 9, is characterized in that, is provided with O-ring seal between described clamper (4) and described simulation cigarette (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520625304.7U CN204925073U (en) | 2015-08-18 | 2015-08-18 | Simulation smoking mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520625304.7U CN204925073U (en) | 2015-08-18 | 2015-08-18 | Simulation smoking mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204925073U true CN204925073U (en) | 2015-12-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520625304.7U Expired - Fee Related CN204925073U (en) | 2015-08-18 | 2015-08-18 | Simulation smoking mechanism |
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| Country | Link |
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| CN (1) | CN204925073U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105158418A (en) * | 2015-08-18 | 2015-12-16 | 北京工业大学 | Smoking simulation mechanism |
| CN110387318A (en) * | 2019-08-01 | 2019-10-29 | 南开大学 | A kind of large volume pregnant solution aerosol liquids sampler suitable for Analysis on Aerobiologia |
-
2015
- 2015-08-18 CN CN201520625304.7U patent/CN204925073U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105158418A (en) * | 2015-08-18 | 2015-12-16 | 北京工业大学 | Smoking simulation mechanism |
| CN110387318A (en) * | 2019-08-01 | 2019-10-29 | 南开大学 | A kind of large volume pregnant solution aerosol liquids sampler suitable for Analysis on Aerobiologia |
| CN110387318B (en) * | 2019-08-01 | 2021-07-27 | 南开大学 | Large-volume enriched liquid aerosol liquid sampler suitable for air microbiological analysis |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151230 Termination date: 20210818 |
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| CF01 | Termination of patent right due to non-payment of annual fee |