CN216747281U - Aerosol generating system - Google Patents
Aerosol generating system Download PDFInfo
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- CN216747281U CN216747281U CN202122897756.9U CN202122897756U CN216747281U CN 216747281 U CN216747281 U CN 216747281U CN 202122897756 U CN202122897756 U CN 202122897756U CN 216747281 U CN216747281 U CN 216747281U
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Abstract
The utility model discloses an aerosol generating system which comprises a compressed air source, an aerosol generator, an aerosol proportion distribution unit, an aerosol dilution unit and an aerosol feedback buffer unit, wherein the compressed air source is used for providing clean air for the aerosol generator and the aerosol dilution unit, the aerosol generator is used for providing aerosol for the aerosol proportion distribution unit, the aerosol proportion distribution unit is used for providing aerosol with a certain flow rate for the aerosol dilution unit, the aerosol dilution unit comprises a dilution cabin, the aerosol dilution unit mixes the received clean air and the aerosol in the dilution cabin, the aerosol feedback buffer unit comprises a sampling cabin, the sampling cabin is provided with an aerosol turbidimeter and a plurality of test ports, the test ports are used for installing the aerosol turbidimeter to be tested, and the sampling cabin is connected with the dilution cabin. The system can realize automatic linear adjustment of the aerosol concentration, realize quick calibration verification of the aerosol turbidimeter and improve the calibration test efficiency.
Description
Technical Field
The utility model relates to the technical field of gas filtration and detection, in particular to an aerosol generating system.
Background
Aerosol refers to a gaseous dispersion system composed of solid or liquid particles suspended in a gaseous medium, and in the prior art, the method for measuring the mass concentration of aerosol is mainly an aerosol turbidimeter. The source tracing of the precision aerosol turbidimeter is mainly compared with a weighing method for measurement, and the precision of the precision aerosol turbidimeter under different concentration ranges needs to be verified in the measurement process.
The traditional method mainly uses a method of manually adjusting dilution of high-concentration aerosol to reduce the concentration of the aerosol. Thus, comparative tests were performed at different concentration ranges. However, the manual adjustment mode is complicated, the precision is low, and the concentration of the aerosol cannot be adjusted quickly. The calibration and verification work of the aerosol turbidimeter is more complicated and complex, the speed is lower, and the working efficiency is extremely low.
The above information disclosed in this background section is only for enhancement of understanding of the background of the application and therefore it may comprise prior art that does not constitute known to a person of ordinary skill in the art.
SUMMERY OF THE UTILITY MODEL
The utility model provides an aerosol generating system which can realize automatic linear adjustment of aerosol concentration, realize quick calibration verification of an aerosol turbidimeter and improve calibration test efficiency.
In order to realize the purpose of the utility model, the utility model adopts the following technical scheme to realize:
the present invention provides an aerosol generating system comprising:
the device comprises a compressed air source, an aerosol generator, an aerosol proportion distribution unit, an aerosol dilution unit and an aerosol feedback buffer unit;
the compressed air source is used for providing clean air for the aerosol generator and the aerosol dilution unit;
the aerosol generator is used for providing aerosol to the aerosol proportion distribution unit;
the aerosol proportion distribution unit is used for providing a certain flow rate of aerosol to the aerosol dilution unit;
the aerosol dilution unit comprises a dilution cabin, and the aerosol dilution unit mixes the received clean air and the aerosol in the dilution cabin;
the aerosol feedback buffer unit comprises a sampling cabin, wherein an aerosol turbidimeter and a plurality of test ports are arranged on the sampling cabin, the test ports are used for installing the aerosol turbidimeter to be tested, and the sampling cabin is connected with the dilution cabin.
In some embodiments of the present application, the aerosol proportion distribution unit includes a first branch and a second branch which are arranged in parallel, the second branch is connected with the dilution chamber, and the aerosol proportion distribution unit distributes the aerosol provided by the aerosol generator to the first branch and the second branch in proportion.
In some embodiments of the present application, a first control valve and a first volumetric flowmeter are disposed on the first branch;
and a second control valve and a second volume flow meter are arranged on the second branch.
In some embodiments of the present application, the first control valve and the second control valve are both electric ball valves.
In some embodiments of the present application, the end of the first branch is provided with a first high efficiency filter.
In some embodiments of the present application, the aerosol dilution unit further includes a volume flow controller and a third volume flow meter, and the volume flow controller and the third volume flow meter are disposed on a flow path connecting the compressed air source and the dilution chamber.
In some embodiments of the present application, two test ports are disposed on the sampling chamber.
In some embodiments of the present application, a second high efficiency filter is disposed on the outflow circuit of the sampling capsule.
Compared with the prior art, the utility model has the advantages and positive effects that:
the aerosol generating system disclosed by the application carries out proportional distribution and dilution on the aerosol generated by the aerosol generator in a two-stage adjusting mode, so that the aerosol concentration can be linearly adjusted, and the test on different concentration points during the user calibration test is met.
The whole system has high feedback and adjustment response speed, aerosol can reach set concentration in a short time, the complex operation and adjustment process of a user is reduced, the adjustment time is shortened, the workload of the calibration test of the user is reduced, the test time is shortened, and the calibration test efficiency of the user is improved.
Other features and advantages of the present invention will become more apparent from the following detailed description of the utility model when taken in conjunction with the accompanying drawings.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic diagram of an aerosol-generating system according to an embodiment.
Reference numerals:
100-a source of compressed air;
200-an aerosol generator;
300-aerosol proportional distribution unit, 310-first branch, 311-first control valve, 312-first volume flow meter, 313-first high-efficiency filter, 320-second branch, 321-second control valve, 322-second volume flow meter;
400-aerosol dilution unit, 410-dilution chamber, 420-volume flow controller, 430-third volume flow meter;
500-aerosol feedback buffer unit, 510-sampling cabin, 520-testing port, 530-precision aerosol turbidimeter, 540-third high-efficiency filter.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
In the description of the present application, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the present application.
The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless otherwise specified.
In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
In the present invention, unless expressly stated or limited otherwise, the recitation of a first feature "on" or "under" a second feature may include the recitation of the first and second features being in direct contact, and may also include the recitation that the first and second features are not in direct contact, but are in contact via another feature between them. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
The following disclosure provides many different embodiments or examples for implementing different features of the utility model. To simplify the disclosure of the present invention, the components and arrangements of specific examples are described below. Of course, they are merely examples and are not intended to limit the present invention. Furthermore, the present invention may repeat reference numerals and/or letters in the various examples, such repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed. In addition, the present invention provides examples of various specific processes and materials, but one of ordinary skill in the art may recognize applications of other processes and/or uses of other materials.
The present embodiment discloses an aerosol generating system, which, referring to fig. 1, includes a compressed air source 100, an aerosol generator 200, an aerosol proportion distribution unit 300, an aerosol dilution unit 400, and an aerosol feedback buffer unit 500.
The compressed air source 100 is respectively connected with the aerosol generator 200 and the aerosol dilution unit 400 through pipelines and is used for providing clean air for the aerosol generator 200 and the aerosol dilution unit 400.
The aerosol generator 200 is connected to the aerosol proportion distribution unit 300 through a pipe, and the aerosol generator 200 supplies the generated stable aerosol to the aerosol proportion distribution unit 300.
The aerosol proportion distribution unit 300 distributes the aerosol provided by the aerosol generator 200 in proportion and provides a certain flow rate of the aerosol to the aerosol dilution unit 400.
The aerosol dilution unit 400 comprises a dilution chamber 410, and the dilution chamber 410 is connected with the aerosol proportion distribution unit 300 through a pipeline to receive a certain flow rate of aerosol provided by the aerosol proportion distribution unit 300; meanwhile, the dilution chamber 410 is also connected to the compressed air source 100 through a pipe to receive clean air supplied from the compressed air source 100 for use as dilution air.
The aerosol dilution unit 400 mixes the received clean air and the aerosol sufficiently in the dilution compartment 410 to obtain the aerosol with a certain concentration value.
The aerosol feedback buffer unit 500 comprises a sampling chamber 510, a precision aerosol turbidimeter 530 and a plurality of test ports 520 are arranged on the sampling chamber 510, and the test ports 520 are used for installing the aerosol turbidimeter to be tested.
The sampling chamber 510 is connected with the diluting chamber 410 through a pipeline, the aerosol with a certain concentration value in the diluting chamber 410 enters the sampling chamber 510, and the precision aerosol turbidimeter 530 is used for detecting the concentration value of the aerosol in the sampling chamber 510.
If the aerosol concentration value measured by the precision aerosol turbidimeter 530 does not reach the value set by the user, the system controls the aerosol flow rate of the aerosol proportion distribution unit 300 flowing into the dilution chamber 410 and the clean air flow rate of the compressed air source 100 flowing into the dilution chamber 410 to obtain the aerosol mixture with different concentration values until the aerosol concentration value in the sampling chamber 510 is stabilized at the value set by the user, and the user can install the aerosol turbidimeter to be tested to the test port 520 for calibration test.
The aerosol generating system distributes and dilutes the aerosol generated by the aerosol generator 200 in proportion in a two-stage adjusting mode, so that the aerosol concentration can be linearly adjusted, and the test of different concentration points during the user calibration test is met.
The whole system has high feedback and adjustment response speed, aerosol can reach set concentration in a short time, the complex operation and adjustment process of a user is reduced, the adjustment time is shortened, the workload of the calibration test of the user is reduced, the test time is shortened, and the calibration test efficiency of the user is improved.
Regarding the specific structure of the aerosol proportion distribution unit 300, in some embodiments of the present application, the aerosol proportion distribution unit 300 includes a first branch 310 and a second branch 320 arranged in parallel, the second branch 320 is connected with the dilution chamber 410, and the aerosol proportion distribution unit 300 proportionally distributes the aerosol provided by the aerosol generator 200 to the first branch 310 and the second branch 320.
Further, a first control valve 311 and a first volume flow meter 312 are disposed on the first branch 310, and a second control valve 321 and a second volume flow meter 322 are disposed on the second branch 320, so as to adjust the distribution flow rate of aerosol in the first branch 310 and the second branch 320.
The first control valve 311 and the second control valve 321 are both electric ball valves, which are convenient for adjustment and control.
The end of the first branch 310 is provided with a first high efficiency filter 313, and the aerosol which does not enter the first branch 310 of the dilution chamber 410 is discharged out of the system through the first high efficiency filter 313, so as to avoid polluting the environment.
Regarding the specific structure of the aerosol dilution unit 400, in some embodiments of the present invention, the aerosol dilution unit 400 further includes a volume flow controller 420 and a third volume flow meter 430, and the volume flow controller 420 and the third volume flow meter 430 are disposed on a flow path connecting the compressed air source 100 and the dilution chamber 410, so as to regulate the flow rate of the clean air flowing from the compressed air source 100 into the dilution chamber 410.
The plurality of test ports 520 on the sampling pod 510 may be two, or in other embodiments three or another number, to allow for calibration testing of multiple aerosol turbidimeters.
And a second high-efficiency filter 540 is arranged on an outflow pipeline of the sampling cabin 510, and redundant aerosol in the sampling cabin 510 is discharged out of the system through the second high-efficiency filter 540, so that the environment pollution is avoided.
In the foregoing description of embodiments, the particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (8)
1. An aerosol generating system, comprising:
the device comprises a compressed air source, an aerosol generator, an aerosol proportion distribution unit, an aerosol dilution unit and an aerosol feedback buffer unit;
the compressed air source is used for providing clean air for the aerosol generator and the aerosol dilution unit;
the aerosol generator is used for providing aerosol to the aerosol proportion distribution unit;
the aerosol proportion distribution unit is used for providing a certain flow rate of aerosol to the aerosol dilution unit;
the aerosol dilution unit comprises a dilution cabin, and the aerosol dilution unit mixes the received clean air and the aerosol in the dilution cabin;
the aerosol feedback buffer unit comprises a sampling cabin, wherein an aerosol turbidimeter and a plurality of test ports are arranged on the sampling cabin, the test ports are used for installing the aerosol turbidimeter to be tested, and the sampling cabin is connected with the dilution cabin.
2. An aerosol generating system according to claim 1,
the aerosol proportion distribution unit comprises a first branch and a second branch which are arranged in parallel, the second branch is connected with the dilution cabin, and the aerosol provided by the aerosol generator is proportionally distributed to the first branch and the second branch by the aerosol proportion distribution unit.
3. An aerosol generating system according to claim 2,
a first control valve and a first volume flow meter are arranged on the first branch;
and a second control valve and a second volume flow meter are arranged on the second branch.
4. An aerosol generating system according to claim 3,
the first control valve and the second control valve are both electric ball valves.
5. An aerosol generating system according to claim 2,
and the tail end of the first branch is provided with a first high-efficiency filter.
6. An aerosol generating system according to claim 1,
the aerosol dilution unit further comprises a volume flow controller and a third volume flow meter, and the volume flow controller and the third volume flow meter are arranged on a flow path connected with the compressed air source and the dilution cabin.
7. An aerosol generating system according to claim 1,
and two test ports are arranged on the sampling cabin.
8. An aerosol generating system according to claim 1,
and a second high-efficiency filter is arranged on the outflow pipeline of the sampling cabin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122897756.9U CN216747281U (en) | 2021-11-24 | 2021-11-24 | Aerosol generating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122897756.9U CN216747281U (en) | 2021-11-24 | 2021-11-24 | Aerosol generating system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216747281U true CN216747281U (en) | 2022-06-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122897756.9U Active CN216747281U (en) | 2021-11-24 | 2021-11-24 | Aerosol generating system |
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|---|---|
| CN (1) | CN216747281U (en) |
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2021
- 2021-11-24 CN CN202122897756.9U patent/CN216747281U/en active Active
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