CN114486663A - Ion generator particulate matter purifying effect testing arrangement - Google Patents
Ion generator particulate matter purifying effect testing arrangement Download PDFInfo
- Publication number
- CN114486663A CN114486663A CN202210120703.2A CN202210120703A CN114486663A CN 114486663 A CN114486663 A CN 114486663A CN 202210120703 A CN202210120703 A CN 202210120703A CN 114486663 A CN114486663 A CN 114486663A
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- particulate matter
- test
- ionizer
- test chamber
- ion generator
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- 238000012360 testing method Methods 0.000 title claims abstract description 141
- 230000000694 effects Effects 0.000 title claims abstract description 28
- 239000013618 particulate matter Substances 0.000 title claims description 70
- 239000002245 particle Substances 0.000 claims abstract description 40
- 238000000746 purification Methods 0.000 claims abstract description 25
- 239000000779 smoke Substances 0.000 claims description 37
- 238000004891 communication Methods 0.000 claims description 4
- 238000003756 stirring Methods 0.000 claims description 4
- 239000000443 aerosol Substances 0.000 claims description 3
- 235000019504 cigarettes Nutrition 0.000 claims description 3
- 239000000428 dust Substances 0.000 claims description 3
- 238000004140 cleaning Methods 0.000 claims 2
- 239000000077 insect repellent Substances 0.000 claims 1
- 238000001514 detection method Methods 0.000 abstract description 7
- 150000002500 ions Chemical class 0.000 description 33
- 238000000034 method Methods 0.000 description 7
- 238000004887 air purification Methods 0.000 description 6
- 150000001450 anions Chemical class 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 241000255925 Diptera Species 0.000 description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 239000004509 smoke generator Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume, or surface-area of porous materials
- G01N15/06—Investigating concentration of particle suspensions
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume, or surface-area of porous materials
- G01N15/06—Investigating concentration of particle suspensions
- G01N2015/0662—Comparing before/after passage through filter
Abstract
The invention discloses a device for testing the particle purification effect of an ion generator. The testing device can efficiently and quickly characterize and measure the particle purification performance of the ion generator, and greatly improves the detection efficiency.
Description
Technical Field
The invention relates to the technical field of air purification, in particular to a device for testing the particle purification effect of an ion generator.
Background
With the improvement of the national standard of living, the requirement for the indoor air quality is continuously improved, the ion purification technology is an important technology in the indoor air purification, and the ion generator comprises positive ions and negative ions, wherein the negative ions are beneficial to human bodies and can effectively purify the indoor air. The particle purifying effect is an important index for evaluating the performance of the anion generator.
At present, the particulate matter purification effect test of the air purification module is carried out in a standard test cabin, the test process is complicated, the efficiency is lower, and the detection cost is higher.
In addition, when the air purification module is designed, particularly when the influence factors are more, each different factor has multiple variables, and when the actual purification effect test is carried out, each factor is used for carrying out a standard air purification effect test. Although the accuracy is higher, it is time-consuming and laborious, when absolute purification efficiency is not needed, but only relative effect verification is carried out, namely, when contrast experiments between different variables are carried out, the experiment tests carried out by using the standard test cabin are time-consuming and laborious.
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.
Disclosure of Invention
Aiming at the problems pointed out in the background technology, the invention provides a device for testing the particle purification effect of an ionizer, which can efficiently and quickly perform characterization and measurement on the particle purification performance of the ionizer and greatly improve the sample detection efficiency.
In order to realize the purpose of the invention, the invention is realized by adopting the following technical scheme:
the application provides an ion generator particulate matter purifying effect testing arrangement includes:
the ion generator to be tested is arranged in the test cabin;
a particulate matter generating source for providing particulate matter into the test chamber;
the particle concentration detector is arranged in the test chamber and used for detecting the particle concentration in the test chamber;
a processor in communication with the particulate matter concentration detector;
during testing, the particle concentration detector detects the concentrations in the test chamber at three time points before, after and during starting of the ion generator, and the processor calculates the purification efficiency of the ion generator according to concentration data.
In some embodiments of the present application, a fan is disposed in the test chamber and is used for uniformly stirring the particulate matters in the test chamber;
the fan is in a closed state within a certain time period before the ion generator is started;
the fan is in an on state after the ionizer is turned on.
In some embodiments of the present application, the particulate matter concentration detector is disposed at a central location within the test chamber;
the ion generator is arranged at the center of the bottom of the test chamber;
the fan is arranged at the position of the side-approaching angle of the test cabin.
In some embodiments of the present application, a mounting frame extending downward is provided at the top of the test chamber, and the particulate matter concentration detector is provided at the bottom of the mounting frame;
the treater is located the top of test cabin, the treater with walk the line between the particulate matter concentration detector and pass through the mounting bracket.
In some embodiments of the present application, a smoke exhaust hole is formed in a side wall of the test chamber, a smoke exhaust valve is arranged at the smoke exhaust hole, and the particulate matter generating source provides particulate matter into the test chamber through the smoke exhaust hole;
when the concentration of the particulate matters in the test chamber exceeds the measuring range of the particulate matter concentration detector or the test is finished, the smoke exhaust valve is opened, and the particulate matters in the test chamber are exhausted through the smoke exhaust hole.
In some embodiments of the present application, a detachable filter module is disposed at the position of the smoke exhaust hole, and the filter module is installed at the position of the smoke exhaust hole during smoke exhaust.
In some embodiments of the present application, the test chamber further comprises a display device in communication with the processor, the display device displaying the concentration of particulate matter within the test chamber and the purification efficiency data of the ionizer.
In some embodiments of the present application, the display device is a display screen, and the display screen is disposed on an outer wall of the test chamber;
or the display equipment is a mobile phone/pad/computer.
In some embodiments of the present application, the test chamber is placed in a constant temperature and humidity chamber or an enthalpy difference laboratory.
In some embodiments of the present application, the particulate generating source is a mosquito coil/cigarette/aerosol;
the particulate matter concentration detector is a PM2.5 concentration detector/dust detector.
Compared with the prior art, the invention has the advantages and positive effects that:
the testing arrangement that this application disclosed directly places the ion generator that awaits measuring in the test cabin when the test, detects particulate matter concentration through particulate matter concentration detector on three time point, can obtain ion generator's purification efficiency, and whole process consuming time is relevant with particulate matter concentration detector's detection time interval, and is steerable in 10min, and the time is short, easy operation.
Other features and advantages of the present invention will become more apparent from the following detailed description of the invention 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 used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and those skilled in the art can obtain other drawings based on the drawings without inventive labor.
FIG. 1 is a schematic structural diagram of an ionizer particulate matter purifying effect testing apparatus according to an embodiment;
fig. 2 is a test flowchart of the ionizer particulate matter purifying effect test apparatus according to the embodiment.
Reference numerals:
100-test chamber, 110-smoke vent, 120-smoke vent, 130-mounting rack;
200-an ionizer;
300-particulate matter concentration detector;
400-a fan;
500-a processor;
600-display screen.
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 otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. 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 invention. 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. Moreover, the present invention may repeat reference numerals and/or reference letters in the various examples, which have been repeated for purposes of simplicity and clarity and do not in themselves 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 invention discloses a device for testing the particle purifying effect of an ion generator, which is used for detecting the particle purifying efficiency of the ion generator applied to air purifying products such as an air conditioner and the like.
The air purification product takes an air conditioner as an example, the air conditioner is provided with an ion generator, and the air conditioner can realize the adjustment of air quality through ions (mainly negative ions) released by the ion generator while realizing the adjustment of indoor air temperature/humidity.
Although the anion concentration is an important index of the ion generator, during actual use, the user pays more attention to the actual particulate matter concentration in the indoor space, the anion concentration is weakly related to the particulate matter purification effect, and the ion type and the size generated by the ion generator all influence the particulate matter purification effect, so that the actual particulate matter purification effect is the finally required ion generator performance index.
Based on the above, the testing device disclosed by the invention adopts a mode of directly testing the concentration of the particulate matters in a specific space acted by the ion generator, so that the particulate matter purification performance of the ion generator is effectively and quickly characterized and measured, and the detection efficiency is greatly improved.
Specifically, referring to fig. 1, the testing apparatus includes a testing chamber 100, a particle generating source (not shown), a particle concentration detector 300, and a processor 500.
The test chamber 100 provides a test space for the ionizer 200 to be tested, and the ionizer 200 is placed therein.
The particle generating source is used to provide particles into the test chamber 100 so that the test chamber 100 has a certain concentration of particles, and the ion generator 200 purifies the particles in the test chamber 100.
The particle concentration detector 300 is disposed in the test chamber 100 and is used for detecting the particle concentration in the test chamber 100.
During testing, the particle concentration detector 300 detects the concentrations in the test chamber 100 at three time points before, after and during the start of the ionizer 200, and the processor 500 calculates the purification efficiency of the ionizer 200 according to the concentration data.
The test flow of the test device specifically refers to fig. 2:
firstly, installing a particulate matter concentration detector 300 into a test chamber 100, placing an ion generator 200 into the test chamber 100, and keeping the particulate matter concentration detector 300 and the ion generator 200 from being started;
the particle concentration detector 300 is turned on and the particle generating source provides particles to the test chamber 100 such that the concentration of particles in the test chamber 100 is at a set value (related to the range of the particle concentration detector 300, e.g., 2000 μ g/m)3) After the values stabilize, processor 500 records the data as the initial concentration C in test chamber 1001，C1Is the concentration detected by the particulate matter concentration detector 300 at a first point in time before the ionizer 200 is turned on;
the processor 500 follows the formula η = η2- η1Calculating the purification efficiency of ionizer 200;
the test chamber 100 is powered off, residual smoke is exhausted, and the test is finished.
By applying the testing device disclosed by the invention, the ionizer 200 to be tested is directly placed in the testing chamber 100 during testing, the particulate matter concentration is detected at three time points through the particulate matter concentration detector 300, the purification efficiency of the ionizer 100 can be obtained, the time consumed in the whole process is related to the detection time interval of the particulate matter concentration detector 300, the time can be controlled to be 10min, and the time is short and the operation is simple.
When the performance index of the ionizer is tested by using a standard test chamber in the prior art, the test time is long and can be as long as 4 hours or even longer because each factor is verified respectively.
In some embodiments, in order to improve the testing effect, a heating component (not shown), such as a heater, may be disposed in the testing chamber 100 to adjust the temperature and humidity in the testing chamber 100, so as to provide a constant temperature and humidity environment for the testing.
Or, the test chamber 100 is placed in a constant temperature and humidity chamber or an enthalpy difference laboratory to control the unification of the test environment.
In some embodiments of the present application, the test chamber 100 is made of an acrylic sheet with a thickness of 5mm, and the acrylic sheet has transparency on the basis of satisfying the structural strength, so as to facilitate observation of the smoke condition in the test chamber 100.
The outline and dimensions of the test chamber 100 may be determined according to the requirements and are not particularly limited.
In some embodiments of the present application, the particulate generating source is mosquito coil/cigarette/aerosol, etc., and the injection of smoke is performed using a dedicated smoke generator.
In some embodiments of the present application, the particulate matter concentration detector 300 is a PM2.5 concentration detector/dust detector or the like.
In some embodiments of the present application, referring to fig. 1, the testing apparatus further includes a fan 400, where the fan 400 is used to uniformly stir the particles in the testing chamber 100, so that the concentration of the particles at each position in the testing chamber 100 is uniform, and the accuracy of the detection data is improved.
Specifically, with reference to the test flow of fig. 2, at the beginning of the test, the ionizer 200 is turned off, the particulate matter generating source provides the particulate matter into the test chamber 100, the fan 400 and the particulate matter concentration detector 300 are turned on synchronously, the fan 400 stirs the particulate matter input, during this process, the particulate matter concentration data detected by the particulate matter concentration detector 300 is changed until the data is stable, which indicates that the particulate matter concentration in the test chamber 100 is uniform, and then the fan 400 is turned off, the ionizer 200 is continuously turned off, and the particulate matter concentration is measured after a certain time (for example, 5 min), so as to obtain the natural attenuation rate.
Then, the ion generator 200 is turned on to purify the interior of the test chamber 100. In the process of starting the ionizer 200, the fan 400 is started, the fan 400 blows ions released by the ionizer 200 to different positions in the test chamber 100, the ion purification uniformity at each position in the test chamber 100 is improved, the particulate matter concentration is measured after a certain time (for example, 5 min), and then the total attenuation rate and the purification efficiency of the ionizer are calculated.
In order to further improve the test accuracy, the present embodiment optimizes the arrangement positions of the particulate matter concentration detector 300, the ionizer 200 and the fan 400 in the test chamber 100, and specifically, referring to fig. 1, the particulate matter concentration detector 300 is disposed at a central position (referring to the center of the whole test space) in the test chamber 100, the ionizer 200 is disposed at a central position at the bottom of the test chamber 100, and the fan 400 is disposed at an edge-adjacent position of the test chamber 100.
For the installation of the particle concentration detector 300 in the test chamber 100, in some embodiments, the test chamber 100 is provided with a mounting bracket 130 extending downward from the top thereof, and the particle concentration detector 300 is provided at the bottom of the mounting bracket 130, so as to realize the installation of the particle concentration detector 300 at a central position in the test chamber 100.
The processor 500 is disposed on the top of the test chamber 100, and the wires between the processor 500 and the particle concentration detector 300 pass through the mounting frame 130 without being exposed.
In some embodiments of the present application, a smoke discharge hole 110 is formed in a side wall of the test chamber 100, a smoke discharge valve 120 is disposed at the smoke discharge hole 110, and the smoke discharge valve 120 opens or closes the smoke discharge hole 110.
When the concentration of the particles in the test chamber 100 exceeds the range of the particle concentration detector 300 or the test is completed, the smoke exhaust valve 120 is opened, and the particles in the test chamber 100 are exhausted through the smoke exhaust hole 110.
When smoke is discharged, the fan 400 is turned on, so that smoke can be discharged conveniently.
Furthermore, a detachable filter module (not shown) is arranged at the smoke exhaust hole 110, and when smoke is exhausted, the filter module is installed at the smoke exhaust hole 110, so that the situation that the environment is polluted due to direct discharge of particles is avoided.
In some embodiments of the present application, the testing apparatus further includes a display device, the display device is in communication with the processor 500, and the display device displays the concentration of the particulate matter in the testing chamber 100 and the purification efficiency data of the ionizer 200, so that the user can know the experimental data in real time.
The display device may be a display screen 600, and the display screen 600 is disposed on an outer wall of the test chamber 100, referring to fig. 1.
Alternatively, the display device may be an electronic device such as a mobile phone, a pad, or a computer.
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 (10)
1. The utility model provides an ion generator particulate matter purifying effect testing arrangement which characterized in that includes:
the ion generator to be tested is arranged in the test cabin;
a particulate matter generating source for providing particulate matter into the test chamber;
the particle concentration detector is arranged in the test chamber and used for detecting the particle concentration in the test chamber;
a processor in communication with the particulate matter concentration detector;
during testing, the particle concentration detector detects the concentrations in the test chamber at three time points before, after and during starting of the ion generator, and the processor calculates the purification efficiency of the ion generator according to concentration data.
2. The ionizer particulate matter purifying effect test device of claim 1,
a fan is arranged in the test cabin and used for uniformly stirring the particles in the test cabin;
the fan is in a closed state within a certain time period before the ion generator is started;
the fan is in an on state after the ionizer is turned on.
3. The ionizer particulate matter purifying effect test device of claim 2,
the particle concentration detector is arranged at the central position in the test chamber;
the ion generator is arranged at the center of the bottom of the test chamber;
the fan is arranged at the position of the side-approaching angle of the test cabin.
4. The ionizer particulate matter purifying effect test device of claim 3,
the top of the test chamber is provided with a mounting frame extending downwards, and the particulate matter concentration detector is arranged at the bottom of the mounting frame;
the treater is located the top of test cabin, the treater with walk the line between the particulate matter concentration detector and pass through the mounting bracket.
5. The ionizer particulate matter cleaning effect test apparatus of any one of claims 1 to 4,
a smoke exhaust hole is formed in the side wall of the test chamber, a smoke exhaust valve is arranged at the smoke exhaust hole, and the particulate matter generating source provides particulate matter into the test chamber through the smoke exhaust hole;
when the concentration of the particulate matters in the test chamber exceeds the measuring range of the particulate matter concentration detector or the test is finished, the smoke exhaust valve is opened, and the particulate matters in the test chamber are exhausted through the smoke exhaust hole.
6. The ionizer particulate matter purifying effect test device of claim 5,
the detachable filter module is arranged at the smoke exhaust hole, and the filter module is installed at the smoke exhaust hole during smoke exhaust.
7. The ionizer particulate matter cleaning effect test apparatus of any one of claims 1 to 4,
the device further comprises a display device, the display device is communicated with the processor, and the display device displays the concentration of the particulate matters in the test chamber and the purification efficiency data of the ionizer.
8. The ionizer particulate matter purifying effect test device of claim 7,
the display device is a display screen, and the display screen is arranged on the outer wall of the test cabin;
or the display equipment is a mobile phone/pad/computer.
9. The ionizer particulate matter purifying effect test device of claim 1,
the test chamber is placed in a constant temperature and humidity box or an enthalpy difference laboratory.
10. The ionizer particulate matter purifying effect test device of claim 1,
the particulate matter generating source is mosquito-repellent incense/cigarette/aerosol;
the particulate matter concentration detector is a PM2.5 concentration detector/dust detector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210120703.2A CN114486663A (en) | 2022-02-09 | 2022-02-09 | Ion generator particulate matter purifying effect testing arrangement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210120703.2A CN114486663A (en) | 2022-02-09 | 2022-02-09 | Ion generator particulate matter purifying effect testing arrangement |
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| CN114486663A true CN114486663A (en) | 2022-05-13 |
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| CN202210120703.2A Pending CN114486663A (en) | 2022-02-09 | 2022-02-09 | Ion generator particulate matter purifying effect testing arrangement |
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| US20200319074A1 (en) * | 2017-12-29 | 2020-10-08 | Lg Electronics Inc. | Device for measuring fine dust and fine dust information utilization system comprising same |
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2022
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| CN104062154A (en) * | 2014-06-20 | 2014-09-24 | 江苏大学 | Sampling device of collaborative particulates of low-temperature plasma generator and sampling method |
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| US20200025399A1 (en) * | 2016-12-23 | 2020-01-23 | Koninklijke Philips N.V. | A system and method for measuring a concentration of a pollutant within a gas |
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