CN201130138Y - System for detecting cigarette gas aerosol - Google Patents
System for detecting cigarette gas aerosol Download PDFInfo
- Publication number
- CN201130138Y CN201130138Y CNU2007201790084U CN200720179008U CN201130138Y CN 201130138 Y CN201130138 Y CN 201130138Y CN U2007201790084 U CNU2007201790084 U CN U2007201790084U CN 200720179008 U CN200720179008 U CN 200720179008U CN 201130138 Y CN201130138 Y CN 201130138Y
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- gas
- aerosol
- cigarette
- suction source
- diluting device
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Abstract
The utility model discloses a cigarette smoke aerosol detecting system, which comprises a cigarette smoke generating device, a first grade diluting device, a second grade diluting device and an aerosol detector which are connected in turn through gas pipes, wherein the first grade diluting device comprises a clean compressed air inlet and an axial diluter, the second grade diluting device comprises a clean compressed air inlet and a pressure-adjusting device, a gas mixing diluter and an external suction source, wherein the gas mixing diluter is provided with two gas inlets and two gas outlets, one gas outlet is connected with the aerosol detector through the gas pipe, and the other gas outlet is connected with the external suction source. The detecting system realizes the detection for the cigarette smoke aerosol through improving the gas path connection design between the smoke generating device and the aerosol detecting devices, and can more accurately analyze the smoke aerosol conditions.
Description
Technical field
The utility model belongs to the detection technique field, is specifically related to a kind of detection system of cigarette flue gas aerosol.
Background technology
In the prior art, the process that aerosoloscope is used for measuring the air aerosol particle is: by the suction source device of detecting device itself, stablizing flow velocity usually is 10L/min～40L/min, outwards the intake-gas sample; When sample concentration is higher, also can connects an axial diluter sample is diluted.
When adopting aerosoloscope to measure cigarette smoke,, cause detecting device seriously to transship because aerosol concentration is higher than airborne situation far away in the flue gas.Testing result occurs and exceed the instrument detecting upper limit (4.0 * 10
5FA), indifference between each detected value has all reached situations such as maximal value, can't carry out check and analysis.Even the diluted sample device that adopts producer to provide for the high sample of tar content, does not still satisfy requirement; To the detection of low tar amount cigarette sample, line clogging also usually appears, and pressure-drop in pipeline is increasing in the testing process, gas velocity acute variation in the cigarette smoking process, the sample situation that traps before and after causing is inconsistent.
In the detection technique of cigarette flue gas aerosol, lack the regulating system of a kind of stable, adjustable gas flow velocity and concentration, to such an extent as to can not utilize existing aerosoloscope to detect aerosol load in the cigarette smoke.
The utility model content
The purpose of this utility model is to fill up the blank of prior art, and a kind of detection system of cigarette flue gas aerosol is provided.
The technical solution of the utility model has provided a kind of cigarette flue gas aerosol detection system, comprises the cigarette smoke generating means, first order air mix facilities, second level air mix facilities and the gasoloid detector that connect successively by gas pipeline; Described first order air mix facilities comprises clean compressed air air intake opening and regulator and axial diluter; Second level air mix facilities comprises clean compressed air air intake opening and regulator, gas mixed diluting device and adds suction source, interface of gas mixed diluting device is connected with aerosoloscope by gas pipeline, another interface with add suction source and be connected.
Regulator is a pressure regulator valve.
Described regulator also can be pressure regulator valve and flowmeter.
Flow into the sample gas of aerosoloscope, be called for short sample flow 3, gas velocity is limited by existing conventional aerosoloscope, normally a fixed value, can't regulate, its value is generally 10L/min～40L/min.
The flue gas generating means can be set to smoking machine and solenoid valve.Air-flow (sample flow 1) flow velocity that flows out from the flue gas generating means must meet the requirement that cigarette detects and be provided with, and can not arbitrarily adjust, and detects according to difference to require its value at 1mL/min～1.8mL/min.Solenoid valve can communicate with surrounding air, detects according to cigarette to require to be provided with, and 2s is communicated with the smoking machine smoking cigarette usually, and 58s switches to draws ambient air, carries out repeatedly finishing up to cigarette smoking.
Second level air mix facilities is mainly realized the dilution of flue gas concentration, gas mixed diluting device connects suction source, suction source adopts the device with stable flow speed control function, task performance adopts 100mL/min～200mL/min scope, can ensure and realize the dilution of sample flow 3 concentration than 110～240 times of sample flow 1 concentration, what final assurance detected carries out smoothly.The accumulative total dilution ratio by the usefulness of suction source and aerosoloscope, and the requirement that detects of cigarette determined, for example be respectively 100mL/min and 10mL/min, cigarette for suction source and aerosoloscope usefulness and detect the gas velocity sample flow 1 that requires and be the setting of 1mL/min, its dilution ratio is about 110: 1.
The beneficial effects of the utility model are: be connected design by improving the flue gas generating means with gas circuit between the gasoloid checkout equipment, adopting increases auxiliary gas air mix facilities and waste discharge device, set modes such as appropriate gas flow speed, cigarette burns and sucks and meets the requirements when guarantee gathering the flue gas aerosol sample, and enters sample concentration in the detecting device in the valid analysing range of equipment.
The utility model has been realized the detection to cigarette flue gas aerosol, does not need to detect the special-purpose gasoloid checkout equipment of exploitation for cigarette smoke.Detect effect and obviously improve, realize the flue gas aerosol situation is analyzed more accurately.
Description of drawings
The design sketch of Fig. 1 aerosoloscope instrument detecting overload
Fig. 2 directly adopts aerosoloscope to detect the testing result of cigarette flue gas aerosol content
Fig. 3 the utility model system construction synoptic diagram 1
Fig. 4 the utility model system construction synoptic diagram 2
Fig. 5 the utility model detects the testing result of cigarette flue gas aerosol content
Embodiment
Further specify the utility model below in conjunction with the drawings and specific embodiments.
Choose cigarette sample and produce flue gas through the smoking machine smoking cigarette, adopt existing aerosoloscope directly to measure the cigarette flue gas aerosol content that has smoking machine to flow out, the suction source device of detecting device itself, usually stablizing flow velocity is 10L/min～40L/min, outside intake-gas sample, but, cause detecting device seriously to transship because aerosol concentration is higher than airborne situation far away in the flue gas.Testing result occurs and exceed the instrument detecting upper limit (4.0 * 10
5FA), indifference between each detected value has all reached situations such as maximal value, and the result can't carry out check and analysis as shown in Figure 1.
If the axial diluter that adopts aerosoloscope producer to provide carries out carrying out the gasoloid detection again after the cigarette smoke dilution, line clogging also still usually appears, pressure-drop in pipeline is increasing, gas velocity acute variation in the cigarette smoking process, the sample situation that traps before and after causing is inconsistent, and measurement result as shown in Figure 2.
As shown in Figure 3, a kind of cigarette flue gas aerosol detection system comprises the cigarette smoke generating means, first order air mix facilities, second level air mix facilities and the gasoloid detector that connect successively by gas pipeline; The flue gas generating means comprises smoking machine and solenoid valve, and first order air mix facilities comprises clean compressed air air intake opening, pressure regulator valve, flowmeter and axial diluter; Second level air mix facilities comprises clean compressed air air intake opening, pressure regulator valve, flowmeter, gas mixed diluting device and adds suction source, gas mixed diluting device is provided with two air intake openings and two gas outlets, a gas outlet is connected with aerosoloscope by gas pipeline, another gas outlet with add suction source and be connected.
Cigarette produces flue gas by smoking machine, and solenoid valve can communicate with surrounding air, detects according to cigarette to require to be provided with, and 2s is communicated with the smoking machine smoking cigarette usually, and 58s switches to draws ambient air, carries out repeatedly finishing up to cigarette smoking.The cigarette smoke solenoid valve of flowing through enters axial diluter, clean compressed air enters axial diluter through pressure regulator valve and flowmeter, regulate the flow velocity of sample flow 1 in 1mL/min～1.8mL/min scope by the flow velocity of regulating clean compressed air, realize sample flow 2 concentration than 10～20 times of sample flow 1 concentration dilutions, ensure that stopping up does not appear in airflow pipeline.
Gas mixed diluting device is provided with two air intake openings and two gas outlets, the sample flow 2 that flows out from axial diluter enters gas mixed diluting device from one of them air intake opening of gas mixed diluting device, clean compressed air is flowed through and is entered gas mixed diluting device from another air intake opening behind pressure regulator valve and the flowmeter, gas outlet of gas mixed diluting device is connected with aerosoloscope by gas pipeline, another gas outlet with add suction source and be connected.Suction source is the waste discharge device, employing has the device of stable flow speed control function, task performance adopts 100mL/min～200mL/min scope, can ensure and realize of the dilution of sample flow 3 concentration than 110～240 times of sample flow 1 concentration, the flow velocity of final assurance sample flow 3 is 10L/min～40L/min, sample flow 3 enters aerosoloscope and detects, and testing result is seen Fig. 5.
As shown in Figure 4, a kind of cigarette flue gas aerosol detection system comprises the cigarette smoke generating means, first order air mix facilities, second level air mix facilities and the gasoloid detector that connect successively by gas pipeline; The flue gas generating means comprises smoking machine and solenoid valve, and first order air mix facilities comprises clean compressed air air intake opening, pressure regulator valve and axial diluter; Second level air mix facilities comprises clean compressed air air intake opening, pressure regulator valve, gas mixed diluting device and adds suction source, gas mixed diluting device is provided with two air intake openings and two gas outlets, a gas outlet is connected with aerosoloscope by gas pipeline, another gas outlet with add suction source and be connected.
Cigarette produces flue gas by smoking machine, and solenoid valve can communicate with surrounding air, detects according to cigarette to require to be provided with, and 2s is communicated with the smoking machine smoking cigarette usually, and 58s switches to draws ambient air, carries out repeatedly finishing up to cigarette smoking.The cigarette smoke solenoid valve of flowing through enters axial diluter, clean compressed air enters axial diluter through pressure regulator valve, regulate the flow velocity of clean compressed air by pressure regulator valve and regulate the flow velocity of sample flow 1 in 1mL/min～1.8mL/min scope, realize sample flow 2 concentration than 10～20 times of sample flow 1 concentration dilutions, ensure that stopping up does not appear in airflow pipeline.
Gas mixed diluting device is provided with two air intake openings and two gas outlets, the sample flow 2 that flows out from axial diluter enters gas mixed diluting device from one of them air intake opening of gas mixed diluting device, the clean compressed air pressure regulator valve of flowing through enters gas mixed diluting device from another air intake opening, gas outlet of gas mixed diluting device is connected with aerosoloscope by gas pipeline, another gas outlet with add suction source and be connected.Suction source is the waste discharge device, employing has the device of stable flow speed control function, task performance adopts 100mL/min～200mL/min scope, can ensure and realize of the dilution of sample flow 3 concentration than 110～240 times of sample flow 1 concentration, the flow velocity of final assurance sample flow 3 is 10L/min～40L/min, and sample flow 3 enters aerosoloscope and detects.
Claims (3)
1, a kind of detection system of cigarette flue gas aerosol is characterized in that comprising the cigarette smoke generating means, first order air mix facilities, second level air mix facilities and the gasoloid detector that connect successively by gas pipeline; Described first order air mix facilities comprises clean compressed air air intake opening and regulator and axial diluter; Second level air mix facilities comprises clean compressed air air intake opening and regulator, gas mixed diluting device and adds suction source, gas mixed diluting device is provided with two air intake openings and two gas outlets, a gas outlet is connected with aerosoloscope by gas pipeline, another gas outlet with add suction source and be connected.
2,, it is characterized in that described regulator is a pressure regulator valve according to the detection system of the described cigarette flue gas aerosol of claim 1.
3,, it is characterized in that described regulator is pressure regulator valve and flowmeter according to the detection system of claim 1 or 2 described cigarette flue gas aerosols.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201790084U CN201130138Y (en) | 2007-12-28 | 2007-12-28 | System for detecting cigarette gas aerosol |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201790084U CN201130138Y (en) | 2007-12-28 | 2007-12-28 | System for detecting cigarette gas aerosol |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201130138Y true CN201130138Y (en) | 2008-10-08 |
Family
ID=40017998
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201790084U Expired - Lifetime CN201130138Y (en) | 2007-12-28 | 2007-12-28 | System for detecting cigarette gas aerosol |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201130138Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102226749A (en) * | 2011-03-25 | 2011-10-26 | 湖南中烟工业有限责任公司 | Test device of cigarette smoke aerosol |
| CN106018710A (en) * | 2016-07-28 | 2016-10-12 | 中国人民解放军后勤工程学院 | Online detection device for oil vapor concentration |
-
2007
- 2007-12-28 CN CNU2007201790084U patent/CN201130138Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102226749A (en) * | 2011-03-25 | 2011-10-26 | 湖南中烟工业有限责任公司 | Test device of cigarette smoke aerosol |
| CN102226749B (en) * | 2011-03-25 | 2013-01-30 | 湖南中烟工业有限责任公司 | Test device of cigarette smoke aerosol |
| CN106018710A (en) * | 2016-07-28 | 2016-10-12 | 中国人民解放军后勤工程学院 | Online detection device for oil vapor concentration |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: GUANGDONG CHINA TOBACCO INDUSTRY CO.,LTD. Free format text: FORMER NAME: GUANGDONG CHINA TOBACCO INDUSTRY CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: No. 203, 510620 Lin Xi Road, Tianhe District, Guangdong, Guangzhou, 8-16 Patentee after: Guangdong Zhongyan Industry Co., Ltd. Address before: 333, No. seven, Zhongshan Road, Guangzhou, Guangdong Province, 510145 Patentee before: Guangdong Zhongyan Industry Co., Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20081008 |