CN103513003A - CO on-line detection device based on constant-flow-velocity smoking machine - Google Patents
CO on-line detection device based on constant-flow-velocity smoking machine Download PDFInfo
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- CN103513003A CN103513003A CN201310430778.1A CN201310430778A CN103513003A CN 103513003 A CN103513003 A CN 103513003A CN 201310430778 A CN201310430778 A CN 201310430778A CN 103513003 A CN103513003 A CN 103513003A
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Abstract
The invention relates to a CO on-line detection device based on a constant-flow-velocity smoking machine. The CO on-line detection device is characterized by comprising the constant-flow-velocity smoking machine, a CO reversing valve and a CO on-line detection device, wherein the CO reversing valve and the CO on-line detection device are connected onto a mainstream smoke pipeline; the constant-flow-velocity smoking machine comprises a cigarette clamping device, a total particulate matter catcher, a reversing control valve, a gas flow detection and control device, a vacuum pump and a mainstream smoke collecting opening; the cigarette clamping device is arranged on a top panel, and the total particulate matter catcher, the reversing control valve, the gas flow detection and control device, the vacuum pump and the mainstream smoke collecting mouth are sequentially connected onto the mainstream smoke pipeline at the rear end of the cigarette clamping device. The CO reversing valve and the CO on-line detection device are connected onto an airflow channel between the reversing control valve and the gas flow detection and control device, and a CO calibration gas circuit interface is arranged on the CO reversing valve. The CO on-line detection device solves the problem that the CO release amount cannot be detected in a real-time manner during the cigarette combustion process, and besides, provides necessary technical conditions and equipment for an association study of the CO release amount and the internal temperature distribution of cigarettes during the cigarette combustion process.
Description
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Technical field
The invention belongs to cigarette and burn and suck index detection field, be specifically related to the online apparatus and method that detect of a kind of CO based on constant flow rate smoking machine.
Background technology
Cigarette produces CO in using during burning, cigarette CO amount is one of index of evaluating cigarette.The method of the CO producing during existing detection cigarette burning is generally: under standard aspiration pattern, detect the CO amount producing in one group of cigarette aspiration procedure, then obtain mean value by this group cigarette quantity.But there is certain deficiency in this detection method: due to the Burning velocity of kinds of cigarettes, there is some difference, may cause its puff number different, may there is larger error in the single port growing amount of the smoke components detecting, larger data error is brought comparatively serious impact to the research of Chemical Components in Cigarette Smoke generting machanism; The growing amount of CO can not detect in real time, the formation mechanism of CO in the time of also cannot studying cigarette burning; During standard aspiration, the growing amount of CO is an instantaneous flow, cannot carry out good associated with the Temperature Distribution of inner cigarette.
Summary of the invention
The online apparatus and method that detect of a kind of CO based on constant flow rate smoking machine that object of the present invention provides based on the deficiencies in the prior art just, solved the problem that in cigarette combustion process, CO burst size cannot detect in real time, the association study for CO burst size in cigarette combustion process and cigarette interior temperature distribution provides necessary technical conditions and device simultaneously.
This invention can realize by following technological means, a CO on-line measuring device for constant flow rate smoking machine, comprises constant flow rate smoking machine and is connected to CO reversal valve and the CO on-line measuring device (this on-line measuring device is GASCARD II infrared gas sensor) on main flume pipeline; Described constant flow rate smoking machine comprises that the cigarette clamper being arranged on top panel, the TPM drip catcher, reversing control valve, detection of gas flow rate control device, vacuum pump and the main flume collection mouthful that are connected in turn on the main flume pipeline of cigarette clamper rear end form, on plate, be provided with in the above for collecting the plexiglass tent of side-stream smoke, on the top panel of cloche, have the outlet of effluent side-stream smoke being positioned at, this outlet is equipped with side-stream smoke filter screen and collects and mouthful be communicated with side-stream smoke blower fan and side-stream smoke;
TPM drip catcher is arranged on top panel, and reversing control valve, detection of gas flow rate control device, vacuum pump are arranged on the base plate that is positioned at top panel below, are provided with cleaning air-path interface on reversing control valve;
On the gas channel between reversing control valve and detection of gas flow rate control device, be connected with CO reversal valve and CO on-line measuring device in turn, CO reversal valve is provided with CO and demarcates air-path interface.
In the present invention, TPM drip catcher is inlaid in the lower face position of top panel; Described reversing control valve, CO reversal valve are solenoid directional control valve.
The course of work of the present invention is as follows:
Before detecting the CO amount that under constant flow rate, cigarette burning discharges, need to demarcate to CO online detection unit (using CO calibrating gas to detect the accuracy of used detecting device).First opening power, regulating CO solenoid directional control valve to make gas channels is CO marked gas passage, close the passage between CO reversal valve and reversing control valve, adjusting gas flow detection control apparatus is a certain flow, CO calibrating gas is met to CO and demarcate air-path interface, and CO calibrating gas enters CO on-line measuring device by CO reversal valve, detect CO concentration, afterwards, CO calibrating gas, successively by detection of gas flow rate control device, vacuum pump, is collected a mouthful discharge by main flume.The suction power of whole pipeline is provided by vacuum pump.
During smoking cigarette, need first regulate CO solenoid directional control valve to make gas channels is suction channel, opens the passage between CO reversal valve and reversing control valve, then regulates adjusting gas flow detection control apparatus, selected a certain flow.In aspiration procedure, main flume enters TPM drip catcher by cigarette clamper, trapping granule phase substance wherein on cambridge filter, by reversing control valve and CO reversal valve, enter CO online detection unit again and detect CO concentration, then successively by detection of gas flow rate control device, vacuum pump, by main flume, collect a mouthful discharge.In the time of need to detecting the total concentration of CO in flue gas, can herein flue gas be collected, standby survey keeps sample.Side-stream smoke by side-stream smoke filter screen, is discharged smoking machine via blower fan in plexiglass tent, and efflux velocity is regulated by wind speed adjusting knob, and the side-stream smoke of discharge can collect by gas collection bag, and standby survey keeps sample.
For guarantee measurement data from accurately; protection CO detecting device; suction experiment is carried out repeatedly (being less than 30 times) after sample detection; to clean main flume passage; now reversing control valve is switched to flushing channel; purge gas on cleaning gas crossing connects; start suction; now purge gas enters pipeline by cleaning gas crossing; by reversing control valve, CO reversal valve, enter CO on-line measuring device successively; via detection of gas flow rate control device, vacuum pump, by main flume, collect a mouthful discharge.
Utilize the present invention can detect in real time CO burst size in cigarette combustion process, the association study for CO burst size in cigarette combustion process and cigarette interior temperature distribution provides necessary technical conditions and device simultaneously.
Accompanying drawing explanation
Fig. 1 is CO on-line measuring device structural representation in constant flow rate smoking machine
Fig. 2 is CO on-line measuring device CO calibration maps in constant flow rate smoking machine
CO concentration testing result in time when Fig. 3 is constant flow rate suction
In Fig. 1: 1-Cigarette, 2-cigarette clamper, 3-TPM drip catcher, 4-cambridge filter, 5-main flume connecting tube, 6-reversing control valve, 7-CO reversal valve, 8-CO on-line measuring device, 9-detection of gas flow rate control device, 10-vacuum pump, 11-main flume is collected mouth, 12-cleaning air-path interface, 13-CO demarcates gas circuit mouth connecting tube, 14-CO demarcates air-path interface, 15-side-stream smoke filter screen, 16-blower fan, 17-side-stream smoke is collected mouth, 18-plexiglass tent, 19-top panel, 20-base plate, 21-framework, 22-feet.
Embodiment
The present invention is further described below in conjunction with accompanying drawing:
As shown in Figure 1: a kind of CO on-line measuring device based on constant flow rate smoking machine, comprises constant flow rate smoking machine and be connected to CO reversal valve 7 and the CO on-line measuring device 8 on main flume pipeline; Described constant flow rate smoking machine comprises that the cigarette clamper 2 being arranged on top panel, the TPM drip catcher 3, reversing control valve 6, detection of gas flow rate control device 9, vacuum pump 10 and the main flume collection mouth 11 that are connected in turn on the main flume pipeline of cigarette clamper rear end form, on plate 19, be provided with in the above for collecting the plexiglass tent 18 of side-stream smoke, on the top panel of cloche, have the outlet of effluent side-stream smoke being positioned at, this outlet is equipped with side-stream smoke filter screen 15 and collects mouthfuls 17 with side-stream smoke blower fan 16 and side-stream smoke and is communicated with; TPM drip catcher 3 is arranged on top panel 19, reversing control valve 6, detection of gas flow rate control device 9, vacuum pump 10 are arranged on the base plate 20 that is positioned at top panel below, on base plate, be fixed with four feets 22, together with framework 21 in order to support single unit system of the present invention.
On reversing control valve 6, be provided with and clean air-path interface 12, can clean in time exhaust gases passes, guarantee the accuracy of experimental data, reduce the impact that experimental result is caused.
On the gas channel between reversing control valve 6 and detection of gas flow rate control device 9, be connected with CO reversal valve 7 and CO on-line measuring device 8 in turn, CO reversal valve 7 is provided with CO and demarcates air-path interface 14.
In the present invention, TPM drip catcher is inlaid in the lower face position of top panel.Described reversing control valve, CO reversal valve are solenoid directional control valve.
The course of work of the present invention is as follows:
Before detecting the CO amount that under constant flow rate, cigarette burning discharges, need to demarcate to CO on-line measuring device 8 (using CO calibrating gas to detect the accuracy of used detecting device).First opening power, regulating CO solenoid directional control valve to make gas channels is CO marked gas passage, close the passage between CO reversal valve 7 and reversing control valve 6, adjusting gas flow detection control apparatus 9 is a certain flow, CO calibrating gas is met to CO and demarcate air-path interface 14, and CO calibrating gas enters CO on-line measuring device 8 by CO reversal valve, detect CO concentration, afterwards, CO calibrating gas, successively by detection of gas flow rate control device 9, vacuum pump 10, is collected mouthful 11 discharges by main flume.
During smoking cigarette, need first regulate CO solenoid directional control valve to make gas channels is suction channel, opens the passage between CO reversal valve 7 and reversing control valve 6, then regulates adjusting gas flow detection control apparatus 9, selected a certain flow.In aspiration procedure, main flume enters TPM drip catcher 3 by cigarette clamper 2, trapping granule phase substance wherein on cambridge filter 4, by reversing control valve 6 and CO reversal valve 7, enter CO on-line measuring device 8 again and detect CO concentration, then successively by detection of gas flow rate control device 9, vacuum pump 10, by main flume, collect mouthful 11 discharges.In the time of need to detecting the total concentration of CO in flue gas, can herein flue gas be collected, standby survey keeps sample.Side-stream smoke by side-stream smoke filter screen 15, is discharged smoking machine via blower fan 16 in plexiglass tent 18, and efflux velocity is regulated by wind speed adjusting knob, and the side-stream smoke of discharge can be collected mouth 17 by side-stream smoke and be collected by gas collection bag, and standby survey keeps sample.
For guarantee measurement data from accurately; protection CO detecting device; suction experiment is carried out repeatedly (being less than 30 times) after sample detection; to clean main flume passage; now reversing control valve is switched to flushing channel; cleaning purge gas in air-path interface 12 connections; start suction; now purge gas enters pipeline by cleaning air-path interface 12; by reversing control valve 6, CO reversal valve 7, enter CO on-line measuring device 8 successively; via detection of gas flow rate control device 9, vacuum pump 10, by main flume, collect mouthful 11 discharges.
Claims (3)
1. the CO on-line measuring device based on constant flow rate smoking machine, is characterized in that: comprise constant flow rate smoking machine and be connected to CO reversal valve and the CO on-line measuring device on main flume pipeline;
Described constant flow rate smoking machine comprises that the cigarette clamper being arranged on top panel, the TPM drip catcher, reversing control valve, detection of gas flow rate control device, vacuum pump and the main flume collection mouthful that are connected in turn on the main flume pipeline of cigarette clamper rear end form, on plate, be provided with in the above for collecting the plexiglass tent of side-stream smoke, on the top panel of cloche, have the outlet of effluent side-stream smoke being positioned at, this outlet is equipped with side-stream smoke filter screen and collects and mouthful be communicated with side-stream smoke blower fan and side-stream smoke;
TPM drip catcher is arranged on top panel, and reversing control valve, detection of gas flow rate control device, vacuum pump are arranged on the base plate that is positioned at top panel below, are provided with cleaning air-path interface on reversing control valve;
On the gas channel between reversing control valve and detection of gas flow rate control device, be connected with CO reversal valve and CO on-line measuring device, CO reversal valve is provided with CO and demarcates air-path interface.
2. the CO on-line measuring device based on constant flow rate smoking machine according to claim 1, is characterized in that: TPM drip catcher is inlaid in the lower face position of top panel.
3. the CO on-line measuring device based on constant flow rate smoking machine according to claim 1, is characterized in that: described reversing control valve, CO reversal valve are solenoid directional control valve.
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN104048856A (en) * | 2014-06-24 | 2014-09-17 | 华健 | Method and device for collecting smoke of electronic atomized liquid |
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CN201133882Y (en) * | 2007-12-28 | 2008-10-15 | 中国烟草总公司郑州烟草研究院 | Cigarette side stream flue gas exhauster |
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CN102192950A (en) * | 2011-03-11 | 2011-09-21 | 安徽中烟工业公司 | Device for analyzing gas phase chemical components of cigarette smoke on line |
WO2013064503A1 (en) * | 2011-10-31 | 2013-05-10 | Philip Morris Products S.A. | Smoking article test chamber with adjustable climate |
CN103196736A (en) * | 2013-04-16 | 2013-07-10 | 江苏中烟工业有限责任公司 | Puff-by-puff measuring method for carbon monoxide in main stream smoke of cigarette and special device thereof |
CN203042539U (en) * | 2012-12-25 | 2013-07-10 | 北京慧荣和科技有限公司 | Animal full-smoke exposing system |
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Patent Citations (8)
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US4140003A (en) * | 1978-05-10 | 1979-02-20 | Federal Trade Commission | Cigarette smoking machine |
CN201133882Y (en) * | 2007-12-28 | 2008-10-15 | 中国烟草总公司郑州烟草研究院 | Cigarette side stream flue gas exhauster |
CN101324491A (en) * | 2008-08-04 | 2008-12-17 | 中国烟草总公司郑州烟草研究院 | Smoking apparatus capable of implementing continuous one-time sampling of main fume gas phase object |
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CN102192950A (en) * | 2011-03-11 | 2011-09-21 | 安徽中烟工业公司 | Device for analyzing gas phase chemical components of cigarette smoke on line |
WO2013064503A1 (en) * | 2011-10-31 | 2013-05-10 | Philip Morris Products S.A. | Smoking article test chamber with adjustable climate |
CN203042539U (en) * | 2012-12-25 | 2013-07-10 | 北京慧荣和科技有限公司 | Animal full-smoke exposing system |
CN103196736A (en) * | 2013-04-16 | 2013-07-10 | 江苏中烟工业有限责任公司 | Puff-by-puff measuring method for carbon monoxide in main stream smoke of cigarette and special device thereof |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN104048856A (en) * | 2014-06-24 | 2014-09-17 | 华健 | Method and device for collecting smoke of electronic atomized liquid |
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