CN201130137Y - Novel system for detecting cigarette gas aerosol - Google Patents
Novel system for detecting cigarette gas aerosol Download PDFInfo
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- CN201130137Y CN201130137Y CNU2007201789956U CN200720178995U CN201130137Y CN 201130137 Y CN201130137 Y CN 201130137Y CN U2007201789956 U CNU2007201789956 U CN U2007201789956U CN 200720178995 U CN200720178995 U CN 200720178995U CN 201130137 Y CN201130137 Y CN 201130137Y
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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 a pressure-adjusting device, a gas mixing diluter and an external suction source, the gas mixing diluter is provided with two gas inlets and two gas outlets, wherein 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 second grade diluting device comprises a clean compressed air inlet, a pressure-adjusting device and an axial diluter. 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 analyze the smoke aerosol conditions more accurately.
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 cigarette flue gas aerosol detection system is provided.
The purpose of this utility model is achieved through the following technical solutions:
A kind of cigarette flue gas aerosol detection system is provided, 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, 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; Second level air mix facilities comprises clean compressed air air intake opening and regulator and axial diluter.
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.
First order air mix facilities is mainly realized the dilution of flue gas stream concentration.Gas mixed diluting device connects suction source, and suction source adopts the device with stable flow speed control function, and task performance adopts 20mL/min～40mL/min scope, can ensure to realize that sample flow 2 concentration are than 10～40 times of dilutions of sample flow 1 concentration.The dilution ratio of first order dilution is determined by the usefulness of suction source and the requirement of cigarette detection, for suction source usefulness is that the gas velocity sample flow 1 that 20mL/min, cigarette detection require is the setting of 1mL/min, its dilution ratio was slightly larger than 20: 1, in 20: 1～28: 1 scopes.
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, first order 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; Second level air mix facilities comprises clean compressed air air intake opening, pressure regulator valve and axial diluter.
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.Gas mixed diluting device is provided with two air intake openings and two gas outlets, the cigarette smoke solenoid valve of flowing through enters gas mixed diluting device, clean compressed air enters gas mixed diluting device through pressure regulator valve, gas outlet of gas mixed diluting device is connected with second level air mix facilities 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 20mL/min～40mL/min scope, regulate the flow velocity of clean compressed air by pressure regulator valve and realize that with the adjusting that adds suction source sample flow 2 concentration are than 10～40 times of dilutions of sample flow 1 concentration, the flow velocity of sample flow 1 ensures that stopping up does not appear in airflow pipeline in 1mL/min～1.8mL/min scope.
The mixed gas sample flow 2 that flows out from one of them gas outlet of gas mixed diluting device enters axial diluter, clean compressed air enters axial diluter through pressure regulator valve, regulate the flow velocity realization cigarette smoke sample flow concentration of clean compressed air by pressure regulator valve and carry out 5～20 times dilution once more, 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, first order 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; Second level air mix facilities comprises clean compressed air air intake opening, pressure regulator valve, flowmeter and axial diluter.
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.Gas mixed diluting device is provided with two air intake openings and two gas outlets, the cigarette smoke solenoid valve of flowing through enters gas mixed diluting device, clean compressed air enters gas mixed diluting device through pressure regulator valve and flowmeter, gas outlet of gas mixed diluting device is connected with second level air mix facilities 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 20mL/min～40mL/min scope, regulate the flow velocity of clean compressed air by pressure regulator valve and flowmeter and realize that with the adjusting that adds suction source sample flow 2 concentration are than 10～40 times of dilutions of sample flow 1 concentration, the flow velocity of sample flow 1 ensures that stopping up does not appear in airflow pipeline in 1mL/min～1.8mL/min scope.
The mixed gas sample flow 2 that flows out from one of them gas outlet of gas mixed diluting device enters axial diluter, clean compressed air enters axial diluter through pressure regulator valve and flowmeter, regulate the flow velocity realization cigarette smoke sample flow concentration of clean compressed air by pressure regulator valve and flowmeter and carry out 5～20 times dilution once more, the flow velocity of final assurance sample flow 3 is 10L/min～40L/min, enters aerosoloscope and detects.
Claims (3)
1, a kind of new cigarette flue gas aerosol detection system 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, 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; Second level air mix facilities comprises clean compressed air air intake opening and regulator and axial diluter.
2,, it is characterized in that described regulator is a pressure regulator valve according to the described cigarette flue gas aerosol detection system of claim 1.
3,, it is characterized in that described regulator is pressure regulator valve and flowmeter according to claim 1 or 2 described cigarette flue gas aerosol detection systems.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201789956U CN201130137Y (en) | 2007-12-28 | 2007-12-28 | Novel system for detecting cigarette gas aerosol |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201789956U CN201130137Y (en) | 2007-12-28 | 2007-12-28 | Novel system for detecting cigarette gas aerosol |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201130137Y true CN201130137Y (en) | 2008-10-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201789956U Expired - Lifetime CN201130137Y (en) | 2007-12-28 | 2007-12-28 | Novel system for detecting cigarette gas aerosol |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201130137Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 CNU2007201789956U patent/CN201130137Y/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Granted publication date: 20081008 |
|
| CX01 | Expiry of patent term |