CN110987542A - Automatic measuring and collecting system for electronic cigarette smoke - Google Patents
Automatic measuring and collecting system for electronic cigarette smoke Download PDFInfo
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- CN110987542A CN110987542A CN201911300048.3A CN201911300048A CN110987542A CN 110987542 A CN110987542 A CN 110987542A CN 201911300048 A CN201911300048 A CN 201911300048A CN 110987542 A CN110987542 A CN 110987542A
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- 239000000779 smoke Substances 0.000 title claims abstract description 85
- 239000003571 electronic cigarette Substances 0.000 title claims abstract description 81
- 239000000523 sample Substances 0.000 claims abstract description 45
- 238000010438 heat treatment Methods 0.000 claims abstract description 39
- 230000001105 regulatory effect Effects 0.000 claims abstract description 11
- 238000006243 chemical reaction Methods 0.000 claims abstract description 9
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 12
- 239000003546 flue gas Substances 0.000 claims description 12
- 238000009413 insulation Methods 0.000 claims description 11
- 235000019504 cigarettes Nutrition 0.000 claims description 10
- 238000000576 coating method Methods 0.000 claims description 10
- 229920000742 Cotton Polymers 0.000 claims description 9
- 239000007789 gas Substances 0.000 claims description 9
- 230000002209 hydrophobic effect Effects 0.000 claims description 8
- 230000001276 controlling effect Effects 0.000 claims description 6
- 238000001514 detection method Methods 0.000 claims description 5
- 229910052761 rare earth metal Inorganic materials 0.000 claims description 5
- 150000002910 rare earth metals Chemical class 0.000 claims description 5
- 239000003365 glass fiber Substances 0.000 claims description 3
- 229920001296 polysiloxane Polymers 0.000 claims description 3
- 238000005086 pumping Methods 0.000 claims description 3
- 238000005259 measurement Methods 0.000 abstract description 32
- 239000002245 particle Substances 0.000 abstract description 17
- 238000011156 evaluation Methods 0.000 abstract description 8
- 238000013461 design Methods 0.000 abstract description 4
- 238000011160 research Methods 0.000 abstract description 4
- 239000000126 substance Substances 0.000 abstract description 4
- 238000010521 absorption reaction Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 7
- 239000011248 coating agent Substances 0.000 description 6
- 230000000391 smoking effect Effects 0.000 description 5
- 239000000443 aerosol Substances 0.000 description 3
- 229910000420 cerium oxide Inorganic materials 0.000 description 3
- BMMGVYCKOGBVEV-UHFFFAOYSA-N oxo(oxoceriooxy)cerium Chemical compound [Ce]=O.O=[Ce]=O BMMGVYCKOGBVEV-UHFFFAOYSA-N 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 description 1
- 241000208125 Nicotiana Species 0.000 description 1
- 235000002637 Nicotiana tabacum Nutrition 0.000 description 1
- 206010057852 Nicotine dependence Diseases 0.000 description 1
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical group CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 208000025569 Tobacco Use disease Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 125000000118 dimethyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 230000001953 sensory effect Effects 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 229920002545 silicone oil Polymers 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/22—Devices for withdrawing samples in the gaseous state
- G01N1/2247—Sampling from a flowing stream of gas
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/0011—Sample conditioning
- G01N33/0016—Sample conditioning by regulating a physical variable, e.g. pressure or temperature
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D23/00—Control of temperature
- G05D23/19—Control of temperature characterised by the use of electric means
- G05D23/20—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N2015/0042—Investigating dispersion of solids
- G01N2015/0046—Investigating dispersion of solids in gas, e.g. smoke
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- Life Sciences & Earth Sciences (AREA)
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Pathology (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Biochemistry (AREA)
- Analytical Chemistry (AREA)
- Dispersion Chemistry (AREA)
- Automation & Control Theory (AREA)
- Combustion & Propulsion (AREA)
- Food Science & Technology (AREA)
- Medicinal Chemistry (AREA)
- Biomedical Technology (AREA)
- Molecular Biology (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses an automatic measuring and collecting system for electronic cigarette smoke, which comprises an electronic cigarette, a measuring chamber, a hose, a smoke sampler, a mixing fan, a temperature probe, a heating layer, a heat-insulating layer, an outlet regulating valve, an air suction pump and a control system. The electronic cigarette can be measured by directly connecting the electronic cigarette with an instrument, so that the electronic cigarette has measurement convenience; meanwhile, in order to keep the measured physical and chemical properties of the smoke of the electronic cigarette consistent with those of the smoke discharged by the electronic cigarette and avoid the moisture absorption growth and heterogeneous chemical reaction of the electronic smoke, the system adopts a constant temperature component to ensure that the smoke is consistent with the discharge state; in addition, the system is designed aiming at the characteristics of the smoke of the electronic cigarette and has the specificity. The invention can measure and collect the electronic cigarette smoke with different particle sizes, can research the distribution characteristics of physicochemical properties of the electronic cigarette smoke with different particle sizes scientifically and accurately, can provide theoretical basis for the design, flavoring and electronic cigarette safety evaluation of electronic cigarette products, and can also provide reference for the safety evaluation of consumers.
Description
Technical Field
The invention belongs to the field of aerosol measurement, acquisition and analysis, and particularly relates to an automatic measurement and acquisition system for electronic cigarette smoke.
Background
With the deep development of tobacco ban work in China, more and more people begin to gradually quit smoking or find other ways to substitute for smoking of cigarettes. Currently, electronic cigarettes are a mainstream method for quitting smoking or replacing cigarettes. The method avoids nicotine addiction, and can substitute for cigarette. As electronic cigarettes are accepted by more and more consumers, their safety and comfort are also receiving increasing attention. Only by clarifying the physicochemical characteristics of the electronic cigarette smoke with different particle sizes can the safety and comfort of the electronic smoke be scientifically evaluated.
However, the existing commercial automatic smoking machine is mainly designed for collecting the total particulate matters of the main stream smoke of the cigarettes and cannot collect the smoke of the cigarettes with different particle sizes in a grading manner. Chinese patent No. 201110236822.6 discloses a method for collecting cigarette mainstream smoke aerosol by particle size grading, which mainly aims at the research method of different particle sizes of cigarette smoke aerosol, but almost no report is made on the grading collection of electronic cigarette smoke, and due to the lack of a platform and a method for researching the physicochemical distribution of electronic cigarette smoke in different particle size ranges, the evaluation of the taste, components, smoke sensory characteristics, the safe smoking property of the electronic cigarette and the like is blank, so that theoretical basis cannot be well provided for the design, the flavoring and the safe evaluation of the electronic cigarette, and the reference cannot be scientifically provided for the safe evaluation of consumers.
Disclosure of Invention
The invention aims to solve the problem that the physicochemical characteristics of the electronic cigarette smoke with different particle sizes cannot be deeply researched due to the lack of corresponding instruments and methods for researching the physicochemical characteristics of the electronic cigarette smoke with different particle sizes at present, and provides an automatic electronic cigarette smoke measuring and collecting system which can measure and collect the electronic cigarette smoke with different particle sizes, scientifically and accurately research the distribution characteristics of the physicochemical characteristics of the electronic cigarette smoke with different particle sizes, and provide theoretical reference for the design, flavoring and electronic cigarette safety evaluation of subsequent electronic cigarette products.
The invention is realized by the following technical scheme:
an automatic measurement and acquisition system for electronic cigarette smoke comprises an electronic cigarette, a measurement chamber, a hose, a smoke sampler, a mixing fan, a temperature probe, a heating layer, a heat preservation layer, an outlet regulating valve, an air pump and a control system; the electronic cigarette is arranged on one side of the measuring chamber, and the bottom of the electronic cigarette is fixedly connected with the outer side wall of the measuring chamber through a fixing support; the top of the measuring cavity is provided with a smoke inlet which is connected with a hose, the other end of the hose is connected with a suction nozzle of the electronic cigarette, and the electronic cigarette can convey smoke into the measuring cavity through the hose; a smoke sampler, a mixing fan and a temperature probe are respectively arranged in the measuring cavity, and the smoke sampler is fixedly arranged at the bottom of the measuring cavity and used for collecting and measuring smoke of the electronic cigarette; the temperature probe is fixedly arranged on the inner side wall of the measuring chamber and used for detecting the internal temperature of the measuring chamber; the mixing fan is positioned between the smoke sampler and the temperature probe, is fixedly connected with the bottom of the measurement chamber and is used for uniformly dispersing smoke in the measurement chamber; the heating layer is arranged on the inner wall of the measuring chamber and is used for heating and controlling the temperature of the measuring chamber; the heat insulation layer is arranged on the heating layer and the outer wall of the measuring chamber and used for keeping constant temperature; the side wall of the measurement cavity at one side of the smoke sampler is also provided with an air outlet pipe hole, the air outlet pipe hole is connected with an air pump through an external pipeline, and the air pump is used for pumping smoke in the measurement cavity; an outlet regulating valve is arranged on an external pipeline between the air outlet pipe hole and the air pump and used for regulating the air pumping flow; the control system is arranged on one side of the measuring chamber and comprises a controller and a display; the temperature probe, the flue gas sampler, the outlet regulating valve, the heating layer and the air pump are all connected with the input end of the controller through signal lines, and the output end of the controller is in signal connection with the display and used for displaying signal data in real time.
In order to optimize the technical scheme, the specific measures adopted further comprise:
an analytical instrument access pipeline is further arranged at the upper part of the measuring chamber, one end of the analytical instrument access pipeline extends into the measuring chamber to the middle position, and the other end of the analytical instrument access pipeline is externally connected with a detection analytical instrument; and a valve for controlling the opening and closing of the instrument pipeline is also arranged on the access pipeline of the analytical instrument.
Foretell temperature probe is equipped with three groups, is upper temperature probe, middle level temperature probe and lower floor temperature probe respectively, three temperature probe of group be located the below that the gas port was gone into to the flue gas, follow the inside wall of measuring the cavity is arranged from top to bottom at equal intervals, is used for obtaining the temperature of measuring cavity upper portion, middle part and bottom respectively.
The bottom of the measuring cavity is further provided with an adjusting support and a base support, the adjusting support and the base support are respectively located at two ends of the bottom of the measuring cavity, the adjusting support is arranged on one side close to the electronic cigarette, and the fixing support is arranged on one side close to the air outlet pipe hole.
The inner wall of the measuring chamber and the blades of the mixing fan are coated with rare earth hydrophobic coatings.
The heating layer adopts a heating belt, and the heating belt is wound on the inner wall of the measuring chamber; the heat insulation layer is made of heat insulation cotton, and the heat insulation cotton wraps the heating belt and the outer side of the measuring cavity; wherein, the heating band adopts the glass fiber heating band, thermal-insulated cotton's thickness is 10 mm.
And a hole diameter adapter is arranged at the joint of the air outlet pipe hole and the external pipeline.
The hose is a conductive silicone tube.
The invention has the beneficial effects that:
according to the automatic measuring and collecting system for the electronic cigarette smoke, provided by the invention, the structure of the electronic cigarette is not required to be changed, the electronic cigarette can be directly connected with an instrument for measurement, and the measurement convenience is realized; meanwhile, in order to keep the measured physical and chemical characteristics of the smoke of the electronic cigarette consistent with the physical and chemical characteristics of the smoke discharged by the electronic cigarette and avoid the moisture absorption growth and heterogeneous chemical reaction of the electronic smoke, the system adopts a constant temperature component to ensure the consistency of the smoke and the discharge state, so that the measured data is more accurate; in addition, the system is designed aiming at the characteristics of the smoke of the electronic cigarette and has the specificity. The invention can measure and collect the electronic cigarette smoke with different particle sizes, can research the distribution characteristics of physicochemical properties of the electronic cigarette smoke with different particle sizes scientifically and accurately, can provide a theoretical basis for the design, flavoring and electronic cigarette safety evaluation of electronic cigarette products well, and can also provide a reference for the safety evaluation of consumers scientifically.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is an electrical control schematic of the present invention.
In the figure, the serial numbers of 1-electronic cigarette, 2-measuring chamber, 3-hose, 4-smoke sampler, 5-mixing fan, 6-temperature probe, 7-heating layer, 8-insulating layer, 9-outlet regulating valve, 10-air pump, 11-fixed support, 12-smoke inlet, 13-air outlet hole, 14-external pipeline, 15-controller, 16-display, 17-signal line, 18-analytical instrument access pipeline, 19-detection analytical instrument, 20-valve, 21-adjusting support, 22-base support, 23-aperture conversion joint, 61-upper temperature probe, 62-middle temperature probe and 63-lower temperature probe.
Detailed Description
The invention is further described below with reference to the accompanying drawings and examples.
Referring to fig. 1, the system for automatically measuring and collecting the smoke of the electronic cigarette comprises an electronic cigarette 1, a measuring chamber 2, a hose 3, a smoke sampler 4, a mixing fan 5, a temperature probe 6, a heating layer 7, a heat-insulating layer 8, an outlet regulating valve 9, an air pump 10 and a control system.
In the invention, the electronic cigarette 1 is arranged on one side of the measuring cavity 2, the bottom of the electronic cigarette 1 is fixedly connected with the outer side wall of the measuring cavity 2 through the fixing support 11, preferably, the electronic cigarette adopts a Zoleyue (Joyetech) electronic cigarette eVicAIO wine pot type integrated electronic cigarette which comprises an electronic cigarette switch, an electronic cigarette suction nozzle and other structures; the measuring chamber 2 is a collecting, collecting and analyzing chamber for measuring the smoke of the electronic cigarette, and has the internal length of 1000 mm, the width of 800 mm and the height of 600 mm; the top of the measurement chamber 2 is provided with a flue gas inlet 12, a 316L stainless steel pipe with an inner diameter of 8 mm is adopted, the flue gas inlet 12 is connected with a hose 3, the other end of the hose 3 is connected with a suction nozzle of the electronic cigarette 1, the electronic cigarette 1 can convey flue gas into the measurement chamber 2 through the hose 3, and preferably, the hose is preferably a conductive silicone tube of the American TSI company.
In the invention, a smoke sampler 4, a mixing fan 5 and a temperature probe 6 are respectively arranged in a measuring chamber 2, the smoke sampler 4 is fixedly arranged at the bottom of the measuring chamber 2 and is used for collecting and measuring the smoke of the electronic cigarette, preferably, the smoke sampler 4 is an Anderson eight-grade sampler, the instrument accords with the standard of a US federal standard impact sampler, accords with the standards of an inhalable environmental protection agency/non-inhalable components OSHA, EPA and ACGIH, and can collect the smoke of the electronic cigarette in grades according to different particle sizes; temperature probe 6 fixed inside wall of locating measurement cavity 2 for detect the inside temperature of measurement cavity 2, in this embodiment, temperature probe 6 be equipped with three groups, be upper temperature probe 61, middle level temperature probe 62 and lower floor temperature probe 63 respectively, three groups of temperature probe 6 be located the below of flue gas income gas port 12, follow the inside wall of measurement cavity 2 is arranged from top to bottom at equal intervals, is used for obtaining the temperature of measurement cavity 2 upper portion, middle part and bottom respectively. Preferably, the upper layer temperature probe 61, the middle layer temperature probe 62 and the lower layer temperature probe 63 all adopt German Helishi PT100 temperature sensors, the measurement temperature range is-50-300 ℃, and the drift is less than or equal to 0.04%; (ii) a The mixing fan 5 is positioned between the smoke sampler 4 and the temperature probe 6, is fixedly connected with the bottom of the measurement chamber 2, and is used for uniformly dispersing smoke in the measurement chamber 2.
In the invention, the heating layer 7 is arranged on the inner wall of the measuring chamber 2 and is used for heating and controlling the temperature of the measuring chamber 2; and the heat insulation layer 8 is arranged on the heating layer 7 and the outer wall of the measuring chamber 2 and is used for keeping constant temperature. Preferably, the heating layer 7 is a heating belt, the heating belt is wound on the inner wall of the measurement chamber 2, and the rated voltage and the rated power of the heating belt are 220V and 200W; the heat preservation layer 8 is made of heat insulation cotton, and the heat insulation cotton is wrapped on the heating belt and the outer side of the measuring cavity 2; wherein, the heating band adopts the glass fiber heating band, thermal-insulated cotton's thickness is 10 mm.
In the invention, the side wall of the measuring chamber 2 at one side of the flue gas sampler 4 is also provided with an air outlet pipe hole 13, and the air outlet pipe hole 13 is an air exhaust outlet with the diameter of 50 mm; in this embodiment, a hole diameter conversion joint 23 is arranged at the connection position of the air outlet pipe hole 13 and the external pipeline 14, and the diameter is converted from 50mm to 10 mm; the gas outlet pipe hole 13 is connected with a gas suction pump 10 through an external pipe 14, the gas suction pump 10 is used for sucking the flue gas in the measurement chamber 2, and preferably, the gas suction pump 10 adopts a Shanghai leaf rubbing portable oil-free diaphragm vacuum pump, the model JD-01A and the power 55W; an outlet adjusting valve 9 is arranged on an external pipeline 14 between the air outlet pipe hole 13 and the air pump 10 and used for adjusting air extraction flow and flow speed, and preferably, a high-precision gas mass flowmeter, namely an cis-arrival SLD-MFC digital gas mass flowmeter, is adopted, and the accuracy is +/-1%.
In the invention, the control system is arranged at one side of the measuring chamber 2 and comprises a controller 15 and a display 16; temperature probe 6, flue gas sampler 4, export governing valve 9, zone of heating 7 and aspiration pump 10 all are connected with controller 15's input through signal line 17, controller 15's output and 16 signal connection of display for show signal data in real time. Referring to fig. 2, the controller 15 is a PLC controller, preferably a building manufactured by science and technology limited sea, S16M0T, and is externally supplied with 24VDC, 8 inputs and 6 outputs. The definition of input-output port is: the port X0 is in signal connection with the upper layer temperature probe 61, the port X1 is in signal connection with the middle layer temperature probe 62, and the port X2 is in signal connection with the lower layer temperature probe 63; the Y0 port is in signal connection with the heating layer 7, the Y1 port is in signal connection with the outlet regulating valve 9, the Y2 port is in signal connection with the air pump 10, and the Y3 port is connected with the smoke sampler 4 in a well-absorbed manner. According to the electrical control schematic diagram shown in fig. 2, those skilled in the art can control each component to operate according to the above working principle by programming without creative labor, and relevant instructions of programming are prior art and will not be described herein again. The display 16 is preferably a DELL LINK 3670 display.
In this embodiment, the upper part of the measurement chamber 2 is further provided with an analysis instrument access pipe 18, one end of the analysis instrument access pipe 18 extends into the measurement chamber 2 to the middle position, and the other end is externally connected with a detection analysis instrument 19; the analytical instrument access pipe 18 is also provided with a valve 20 for controlling the opening and closing of the instrument pipeline. Preferably, the external detection analyzer 19 can select a device for measuring the physical or chemical characteristics of the smoke particles according to the requirement, such as an APS instrument of TSI company, to measure the particle size distribution of the smoke particles, or can not select an external device according to the requirement, and if no external device is provided, the valve 20 is in a closed state.
In this embodiment, the bottom of the measurement cavity 2 is further provided with an adjusting bracket 21 and a base bracket 22, the adjusting bracket 21 and the base bracket 22 are respectively located at two ends of the bottom of the measurement cavity 2, the adjusting bracket 21 is arranged at one side close to the electronic cigarette 1, and the height of the measurement cavity 2 is adjusted through threads in order to adjust the levelness of the measurement cavity 2; the fixed support 22 is arranged at one side close to the air outlet pipe hole 13 and is a base support for fixedly supporting the measuring cavity 2.
In this embodiment, the inner wall of the measurement chamber 2 and the blades of the mixing fan 5 are coated with hydrophobic rare earth coatings. The rare earth hydrophobic coating is a coating for avoiding the adsorption and reaction of the electronic cigarette smoke, preferably a cerium oxide modified hydrophobic coating, and is coated on the inner wall of the measuring chamber and the blades of the mixing fan, so that the inner wall of the chamber reduces the effects of adsorbing the smoke and preventing the further chemical reaction of the smoke. After the coating is coated, the water contact angle of the coating is 135 degrees at 37 ℃, the contact angle of common stainless steel and pure water is 50 degrees, the hydrophobic property of the original metal is improved, the adsorption wall effect of smoke (mainly liquid drops) of the electronic cigarette is reduced, and the chemical reaction probability is reduced, namely the chemical reaction is reduced. The formulation of the cerium oxide modified hydrophobic coating is shown in table 1.
Table 1 formula content of rare earth modified hydrophobic coatings:
| serial number | Raw materials | Mass percent% |
| 1 | Epoxy resin | 46.45 |
| 2 | Xylene | 13.93 |
| 3 | N-butanol | 9.95 |
| 4 | Dimethyl silicone oil | 0.46 |
| 5 | Polyamide | 27.87 |
| 6 | Cerium oxide | 0.33 |
| 7 | Silicon dioxide | 1.00 |
The specific working process of the invention is as follows:
firstly, the Anderson eight-level grading sampler is installed in the measuring cavity 2, then an APS instrument is externally connected, a measuring pipe of the APS instrument is connected with an analytical instrument access pipeline 18, and an external valve 20 is opened (the step is an optional step, and if no external equipment is provided, the valve 20 is in a closed state); then the electronic cigarette 1 is fixed on the fixed bracket 11, and meanwhile, the suction nozzle of the electronic cigarette is connected with the hose 3; then, the power is turned on, the display 16 is turned on, and the controller 15 is connected. Starting a switch of the electronic cigarette 1 to enable the cigarette lighter to work; and simultaneously opens the suction pump 10 and the outlet regulating valve 9. At this time, the electronic smoke enters the measurement cavity 2, the APS instrument is turned on to perform measurement (optional), the controller 15 controls the heating layer 7 to make the heating cavity 2 reach a preset temperature, the upper temperature probe 61, the middle temperature probe 62 and the lower temperature probe 63 acquire temperature data, meanwhile, the controller 15 controls the built-in anderson eight-level sampler to perform sampling measurement, after a period of time, the electronic smoke 1 is turned off, and the controller 15 turns off the air pump 10, the outlet regulating valve 9 and the smoke sampler 4 and displays the acquired data on the display 16.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various changes and modifications can be made without departing from the inventive concept of the present invention, and these changes and modifications are all within the scope of the present invention.
Claims (8)
1. The utility model provides an electron cigarette flue gas automatic measure and collection system which characterized in that: the device comprises an electronic cigarette (1), a measuring chamber (2), a hose (3), a smoke sampler (4), a mixing fan (5), a temperature probe (6), a heating layer (7), a heat-insulating layer (8), an outlet regulating valve (9), an air pump (10) and a control system; the electronic cigarette (1) is arranged on one side of the measuring chamber (2), and the bottom of the electronic cigarette (1) is fixedly connected with the outer side wall of the measuring chamber (2) through a fixing support (11); the top of the measuring chamber (2) is provided with a smoke inlet (12), the smoke inlet (12) is connected with a hose (3), the other end of the hose (3) is connected with a suction nozzle of the electronic cigarette (1), and the electronic cigarette (1) can convey smoke into the measuring chamber (2) through the hose (3); a smoke sampler (4), a mixing fan (5) and a temperature probe (6) are respectively arranged in the measuring chamber (2), and the smoke sampler (4) is fixedly arranged at the bottom of the measuring chamber (2) and is used for collecting and measuring smoke of the electronic cigarette; the temperature probe (6) is fixedly arranged on the inner side wall of the measuring chamber (2) and is used for detecting the internal temperature of the measuring chamber (2); the mixing fan (5) is positioned between the smoke sampler (4) and the temperature probe (6), is fixedly connected with the bottom of the measuring chamber (2), and is used for uniformly dispersing smoke in the measuring chamber (2); the heating layer (7) is arranged on the inner wall of the measuring chamber (2) and is used for heating and controlling the temperature of the measuring chamber (2); the heat insulation layer (8) is arranged on the heating layer (7) and the outer wall of the measuring chamber (2) and used for keeping constant temperature; an air outlet pipe hole (13) is further formed in the side wall of the measuring chamber (2) on one side of the smoke sampler (4), the air outlet pipe hole (13) is connected with an air extracting pump (10) through an external pipeline (14), and the air extracting pump (10) is used for extracting smoke in the measuring chamber (2); an outlet adjusting valve (9) is arranged on an external pipeline (14) between the air outlet pipe hole (13) and the air pump (10) and used for adjusting air pumping flow; the control system is arranged on one side of the measuring chamber (2) and comprises a controller (15) and a display (16); temperature probe (6), flue gas sample thief (4), export governing valve (9), zone of heating (7) and aspiration pump (10) all are connected with the input of controller (15) through signal line (17), the output and display (16) signal connection of controller (15) for show signal data in real time.
2. The system of claim 1 for automatically measuring and collecting electronic cigarette smoke, wherein: an analytical instrument access pipeline (18) is further arranged at the upper part of the measuring chamber (2), one end of the analytical instrument access pipeline (18) extends into the measuring chamber (2) to the middle position, and the other end of the analytical instrument access pipeline is externally connected with a detection analytical instrument (19); and a valve (20) for controlling the opening and closing of the instrument pipeline is also arranged on the analytical instrument access pipeline (18).
3. The system of claim 1 for automatically measuring and collecting electronic cigarette smoke, wherein: temperature probe (6) be equipped with three groups, be upper temperature probe (61), middle level temperature probe (62) and lower floor temperature probe (63) respectively, three temperature probe (6) of group be located the below of flue gas income gas port (12), follow the inside wall of measuring cavity (2) is arranged from top to bottom at the equal interval, is used for obtaining the temperature of measuring cavity (2) upper portion, middle part and bottom respectively.
4. The system of claim 1 for automatically measuring and collecting electronic cigarette smoke, wherein: the measuring chamber (2) bottom still is equipped with regulation support (21) and base support (22), regulation support (21) and base support (22) be located the both ends of measuring chamber (2) bottom respectively, one side that is close to electron cigarette (1) is located in regulation support (21), one side that is close to air outlet pipe hole (13) is located in fixed bolster (22).
5. The system of claim 1 for automatically measuring and collecting electronic cigarette smoke, wherein: and rare earth hydrophobic coatings are coated on the inner wall of the measuring chamber (2) and the blades of the mixing fan (5).
6. The system of claim 1 for automatically measuring and collecting electronic cigarette smoke, wherein: the heating layer (7) adopts a heating belt, and the heating belt is wound on the inner wall of the measuring chamber (2); the heat insulation layer (8) is made of heat insulation cotton, and the heat insulation cotton is wrapped on the heating belt and the outer side of the measuring cavity (2); wherein, the heating band adopts the glass fiber heating band, thermal-insulated cotton's thickness is 10 mm.
7. The system of claim 1 for automatically measuring and collecting electronic cigarette smoke, wherein: and a hole diameter conversion joint (23) is arranged at the joint of the air outlet pipe hole (13) and the external pipeline (14).
8. The system of claim 1 for automatically measuring and collecting electronic cigarette smoke, wherein: the hose (3) is a conductive silicone tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112730181A (en) * | 2020-12-28 | 2021-04-30 | 中国烟草总公司郑州烟草研究院 | Environment-controllable electronic cigarette smoke quantity measuring device |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20140300480A1 (en) * | 2013-04-03 | 2014-10-09 | Zhiyong Xiang | Tester and test method for smoke amount of electronic cigarette |
| CN206161389U (en) * | 2016-11-07 | 2017-05-10 | 湖南中烟工业有限责任公司 | Electron smog gasification colloidal sol sampling device and testing arrangement |
| CN108061673A (en) * | 2016-11-07 | 2018-05-22 | 湖南中烟工业有限责任公司 | A kind of electronic cigarette atomizing aerosol sampling device and test device and test method |
| CN207964781U (en) * | 2018-03-17 | 2018-10-12 | 中国烟草总公司郑州烟草研究院 | The smoking machine of electronic cigarette smoke components and smokable mouth number can be collected simultaneously |
| CN109596482A (en) * | 2018-12-28 | 2019-04-09 | 复旦大学 | A kind of atmospheric aerosol smog system measuring particulate matter chemical constituent |
| CN109612884A (en) * | 2018-12-26 | 2019-04-12 | 复旦大学 | A kind of atmospheric aerosol smog system of gradable particle sampling |
| CN110146350A (en) * | 2019-06-25 | 2019-08-20 | 中国华能集团清洁能源技术研究院有限公司 | It is a kind of for may filter that the sampling system and method for particulate matter and condensable particulate matter |
-
2019
- 2019-12-12 CN CN201911300048.3A patent/CN110987542A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20140300480A1 (en) * | 2013-04-03 | 2014-10-09 | Zhiyong Xiang | Tester and test method for smoke amount of electronic cigarette |
| CN206161389U (en) * | 2016-11-07 | 2017-05-10 | 湖南中烟工业有限责任公司 | Electron smog gasification colloidal sol sampling device and testing arrangement |
| CN108061673A (en) * | 2016-11-07 | 2018-05-22 | 湖南中烟工业有限责任公司 | A kind of electronic cigarette atomizing aerosol sampling device and test device and test method |
| CN207964781U (en) * | 2018-03-17 | 2018-10-12 | 中国烟草总公司郑州烟草研究院 | The smoking machine of electronic cigarette smoke components and smokable mouth number can be collected simultaneously |
| CN109612884A (en) * | 2018-12-26 | 2019-04-12 | 复旦大学 | A kind of atmospheric aerosol smog system of gradable particle sampling |
| CN109596482A (en) * | 2018-12-28 | 2019-04-09 | 复旦大学 | A kind of atmospheric aerosol smog system measuring particulate matter chemical constituent |
| CN110146350A (en) * | 2019-06-25 | 2019-08-20 | 中国华能集团清洁能源技术研究院有限公司 | It is a kind of for may filter that the sampling system and method for particulate matter and condensable particulate matter |
Non-Patent Citations (4)
| Title |
|---|
| 中国科学技术协会: "《2016-2017稀土科学技术学科发展报告》", 31 March 2018, 中国科学技术出版社 * |
| 夏玉宇: "《化验员实用手册》", 31 March 1999, 化学工业出版社 * |
| 徐宏: "电子烟烟雾量测量技术与应用研究", 《中国优秀硕士学位论文全文数据库 工程科技I辑》 * |
| 承慰才 等: "《电厂化学仪表》", 30 June 1988, 水利电力出版社 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112730181A (en) * | 2020-12-28 | 2021-04-30 | 中国烟草总公司郑州烟草研究院 | Environment-controllable electronic cigarette smoke quantity measuring device |
| CN112730181B (en) * | 2020-12-28 | 2024-03-29 | 中国烟草总公司郑州烟草研究院 | Environment-controllable electronic cigarette smoke measuring device |
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