CN104359745A - Aerosol diluting device - Google Patents
Aerosol diluting device Download PDFInfo
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- CN104359745A CN104359745A CN201410598826.2A CN201410598826A CN104359745A CN 104359745 A CN104359745 A CN 104359745A CN 201410598826 A CN201410598826 A CN 201410598826A CN 104359745 A CN104359745 A CN 104359745A
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- air cavity
- pressure reduction
- gas
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- data processing
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Abstract
The invention discloses an aerosol diluting device which comprises a gas inlet nozzle, a gas cavity I, a gas cavity II, a gas cavity III, a filter flow valve, a filter, a pressure difference I, a pressure difference II, a data processing unit, a gas outlet nozzle and a flow controller, wherein the gas inlet nozzle is connected with the gas cavity I; the gas cavity II is connected with the gas cavity III; the gas cavity I is connected with the filter flow valve through a gas pipe; the filter flow valve is connected with the filter through a gas pipe; the filter is connected with the gas cavity III through a gas pipe; the gas cavity III is connected with the gas outlet nozzle; the gas outlet nozzle is connected with the flow controller through an external dust particle counter; the pressure difference I is not communicated with the gas cavity I or the gas cavity II; the pressure difference II is not communicated with the gas cavity II or the gas cavity III; the data processing unit is connected with the pressure difference I through a circuit; the data processing unit is connected with the pressure difference II through a circuit; the data processing unit is connected with the filter flow valve through a circuit. According to the aerosol diluting device, the required dilute concentration can be reached in a stable flow state.
Description
Technical field
The invention belongs to gasoloid control field, relate to a kind of aerosol dilution control device specifically.
Background technology
Chinese invention patent application 200610013372.3 discloses a kind of aerosol dilution device.The composition of this device comprises the first pipeline, the second pipeline, and the first pipeline two ends are connected to induction pipe, outlet, between this first pipeline is imported and exported, be connected with differential pressure indicator; Second pipeline entrance end is connected with the import and export pipeline portions of described first pipeline respectively, and on this second pipeline, string has filtrator and variable valve.
There is following shortcoming in above-mentioned aerosol dilution device: 1, this device belongs to experimental, does not have practicality; 2, information acquisition, calculating and mechanical control part is lacked.
Summary of the invention
For the technical matters of above-mentioned existence, the object of the invention is: propose a kind of aerosol dilution device, can pressure reduction be gathered, flow information feeds back to data processor, calculated and controlled filter filtering traffic valve and flow controller action by data processor, make gasoloid be issued to the dilute concentration of requirement at stable flow.
Technical solution of the present invention is achieved in that a kind of aerosol dilution device, comprises admission piece, air cavity one, air cavity two, air cavity three, filtering traffic valve, filtrator, pressure reduction one, pressure reduction two, data processing unit, outlet nozzle, flow controller; Described admission piece is connected with air cavity one; Describedly to be connected with air cavity two; Described air cavity two is connected with air cavity three; Described air cavity one is connected with filtering traffic valve by tracheae; Described filtering traffic valve is connected with filtrator by tracheae; Described filtrator is connected with air cavity three by tracheae; Described air cavity three is connected with outlet nozzle; Described outlet nozzle is connected with flow controller by external airborne particle counter; Described pressure reduction one is not communicated with air cavity one and air cavity two; Described pressure reduction two is not communicated with air cavity two and air cavity three; Described data processing unit is connected with pressure reduction one by circuit; Described data processing unit is connected with pressure reduction two by circuit; Described data processing unit is connected with filtering traffic valve by circuit; Described carrier gas colloidal sol enters air cavity one through admission piece; Described gasoloid part in air cavity one enters air cavity two through inner passage, and another part enters filtering traffic valve through external tracheae, and air cavity one provides a test point of pressure reduction one; The direct free of losses of gas of described air cavity two inside enters air cavity two, and air cavity two provides a test point of pressure reduction two and another test point of pressure reduction one; Gasoloid is sent into filtrator by described filtering traffic valve; Aerosol filtration is that clean gas sends into air cavity three by described filtrator; The gasoloid that air cavity two and filtrator are sent here mixes and delivers to gas outlet by described air cavity three, and air cavity three provides another test point of pressure reduction two; Described data processing unit gathers the data of pressure reduction one and pressure reduction two and processes, and makes motion action filtering traffic valve and flow controller makes aerosol dilution be stabilized in setting ratio.
Due to the utilization of technique scheme, the present invention compared with prior art has following advantages:
A kind of aerosol dilution device of the present invention has practicality and universal, is applicable to various occasion and dissimilar airborne particle counter; The information acquisition of flow control has sensor and data processor to complete completely, and the adjustment of the control of filtering traffic device and gasoloid flow is also all completed by data processor automatically, the fully-integrated one of system.All operations only need to arrange dilution ratio at data processor place.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, technical solution of the present invention is described further:
Accompanying drawing 1 is the structural representation of aerosol dilution device of the present invention;
Wherein: 1, admission piece; 2, air cavity one; 3, pressure reduction one; 4, data processing unit; 5, pressure reduction two; 6, air cavity three; 7, outlet nozzle; 8, filtrator; 9, air cavity two; 10, filtering traffic valve; 11, flow controller.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described.
Be aerosol dilution device of the present invention as shown in Figure 1, comprise admission piece 1, air cavity 1, air cavity 29, air cavity 36, filtering traffic valve 10, filtrator 8, pressure reduction 1, pressure reduction 25, data processing unit 4, outlet nozzle 7, flow controller 11; Described admission piece 1 is connected with air cavity 1; Described air cavity 29 is connected with air cavity 36; Described air cavity 1 is connected with filtering traffic valve 10 by tracheae; Described filtering traffic valve 10 is connected with filtrator 8 by tracheae; Described filtrator 8 is connected with air cavity 36 by tracheae; Described air cavity 36 is connected with outlet nozzle 7; Described outlet nozzle 7 is connected with flow controller 11 by external airborne particle counter; The requirement of described pressure reduction 1 can not be communicated with air cavity 1 and air cavity 29; The requirement of described pressure reduction 25 can not be communicated with air cavity 29 and air cavity 36; Described data processing unit 4 is connected with pressure reduction 1 by circuit; Described data processing unit 4 is connected with pressure reduction 25 by circuit; Described data processing unit 4 is connected with filtering traffic valve 10 by circuit.
Described carrier gas colloidal sol enters air cavity 1 through admission piece 1; Described gasoloid part in air cavity 1 enters air cavity 29 through inner passage, and another part enters filtering traffic valve 10 through external tracheae, and air cavity 1 provides a test point of pressure reduction 1; The direct free of losses of gas of described air cavity 29 inside enters air cavity 36, and air cavity two provides a test point of pressure reduction 25 and another test point of pressure reduction 1; Gasoloid is sent into filtrator 8 by described filtering traffic valve 10; Aerosol filtration is that clean gas sends into air cavity 36 by described filtrator 8; The gasoloid that air cavity 29 and filtrator 8 are sent here mixes and delivers to gas outlet 7 by described air cavity 36, and air cavity 36 provides another test point of pressure reduction 25.Shown in data processing unit 4 gather the data of pressure reduction 1 and pressure reduction 25 and process, make motion action filtering traffic valve 10 and flow controller 11 makes aerosol dilution be stabilized in setting ratio.
Above-described embodiment is only for illustrating technical conceive of the present invention and feature; its object is to person skilled in the art can be understood content of the present invention and be implemented; can not limit the scope of the invention with this; all equivalences done according to Spirit Essence of the present invention change or modify, and all should be encompassed in protection scope of the present invention.
Claims (1)
1. an aerosol dilution device, is characterized in that: comprise admission piece, air cavity one, air cavity two, air cavity three, filtering traffic valve, filtrator, pressure reduction one, pressure reduction two, data processing unit, outlet nozzle, flow controller; Described admission piece is connected with air cavity one; Describedly to be connected with air cavity two; Described air cavity two is connected with air cavity three; Described air cavity one is connected with filtering traffic valve by tracheae; Described filtering traffic valve is connected with filtrator by tracheae; Described filtrator is connected with air cavity three by tracheae; Described air cavity three is connected with outlet nozzle; Described outlet nozzle is connected with flow controller by external airborne particle counter; Described pressure reduction one is not communicated with air cavity one and air cavity two; Described pressure reduction two is not communicated with air cavity two and air cavity three; Described data processing unit is connected with pressure reduction one by circuit; Described data processing unit is connected with pressure reduction two by circuit; Described data processing unit is connected with filtering traffic valve by circuit; Described carrier gas colloidal sol enters air cavity one through admission piece; Described gasoloid part in air cavity one enters air cavity two through inner passage, and another part enters filtering traffic valve through external tracheae, and air cavity one provides a test point of pressure reduction one; The direct free of losses of gas of described air cavity two inside enters air cavity two, and air cavity two provides a test point of pressure reduction two and another test point of pressure reduction one; Gasoloid is sent into filtrator by described filtering traffic valve; Aerosol filtration is that clean gas sends into air cavity three by described filtrator; The gasoloid that air cavity two and filtrator are sent here mixes and delivers to gas outlet by described air cavity three, and air cavity three provides another test point of pressure reduction two; Described data processing unit gathers the data of pressure reduction one and pressure reduction two and processes, and makes motion action filtering traffic valve and flow controller makes aerosol dilution be stabilized in setting ratio.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410598826.2A CN104359745A (en) | 2014-10-31 | 2014-10-31 | Aerosol diluting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410598826.2A CN104359745A (en) | 2014-10-31 | 2014-10-31 | Aerosol diluting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104359745A true CN104359745A (en) | 2015-02-18 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410598826.2A Pending CN104359745A (en) | 2014-10-31 | 2014-10-31 | Aerosol diluting device |
Country Status (1)
| Country | Link |
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| CN (1) | CN104359745A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110006800A (en) * | 2019-03-14 | 2019-07-12 | 北京航空航天大学 | Particulate matter aerosol diluter and dilution process |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1614385A (en) * | 2004-12-03 | 2005-05-11 | 北京大学 | Contour tracking fixed source diluting sampling system |
| CN1844886A (en) * | 2006-03-24 | 2006-10-11 | 天津大学 | Aerosol diluting device |
| CN101187608A (en) * | 2007-09-11 | 2008-05-28 | 天津大学 | Active type aerosol diluter |
| US20090044599A1 (en) * | 2007-08-09 | 2009-02-19 | United States Of America As Represented By The Secretary Of The Army | Quantitative Aerosol Dilution System |
| CN203425730U (en) * | 2013-08-13 | 2014-02-12 | 北京慧荣和科技有限公司 | Gas or aerosol mixing or diluting device |
| CN103674630A (en) * | 2013-12-05 | 2014-03-26 | 北京航空航天大学 | Automatic-regulating discharged particulate matter dilution sampling device |
| CN103900892A (en) * | 2014-03-25 | 2014-07-02 | 北京元盛科仪科技有限责任公司 | Aerosol diluting device |
| US8813582B1 (en) * | 2012-05-17 | 2014-08-26 | The United States Of America As Represented The Secretary Of The Army | Dilution and sampling system |
| CN104034571A (en) * | 2014-05-23 | 2014-09-10 | 上海大学 | Automatic diluting system for fed samples of single-particle aerosol mass spectrometer |
-
2014
- 2014-10-31 CN CN201410598826.2A patent/CN104359745A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1614385A (en) * | 2004-12-03 | 2005-05-11 | 北京大学 | Contour tracking fixed source diluting sampling system |
| CN1844886A (en) * | 2006-03-24 | 2006-10-11 | 天津大学 | Aerosol diluting device |
| US20090044599A1 (en) * | 2007-08-09 | 2009-02-19 | United States Of America As Represented By The Secretary Of The Army | Quantitative Aerosol Dilution System |
| CN101187608A (en) * | 2007-09-11 | 2008-05-28 | 天津大学 | Active type aerosol diluter |
| US8813582B1 (en) * | 2012-05-17 | 2014-08-26 | The United States Of America As Represented The Secretary Of The Army | Dilution and sampling system |
| CN203425730U (en) * | 2013-08-13 | 2014-02-12 | 北京慧荣和科技有限公司 | Gas or aerosol mixing or diluting device |
| CN103674630A (en) * | 2013-12-05 | 2014-03-26 | 北京航空航天大学 | Automatic-regulating discharged particulate matter dilution sampling device |
| CN103900892A (en) * | 2014-03-25 | 2014-07-02 | 北京元盛科仪科技有限责任公司 | Aerosol diluting device |
| CN104034571A (en) * | 2014-05-23 | 2014-09-10 | 上海大学 | Automatic diluting system for fed samples of single-particle aerosol mass spectrometer |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110006800A (en) * | 2019-03-14 | 2019-07-12 | 北京航空航天大学 | Particulate matter aerosol diluter and dilution process |
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Application publication date: 20150218 |
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