CN112461615A - Differential pressure separator for air sampler - Google Patents
Differential pressure separator for air sampler Download PDFInfo
- Publication number
- CN112461615A CN112461615A CN202011312335.9A CN202011312335A CN112461615A CN 112461615 A CN112461615 A CN 112461615A CN 202011312335 A CN202011312335 A CN 202011312335A CN 112461615 A CN112461615 A CN 112461615A
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- Prior art keywords
- air
- box
- box body
- side wall
- differential pressure
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- 238000005070 sampling Methods 0.000 claims abstract description 43
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical class C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 7
- 241000220317 Rosa Species 0.000 claims description 9
- 230000035945 sensitivity Effects 0.000 claims description 6
- 210000000056 organ Anatomy 0.000 claims 2
- 238000001514 detection method Methods 0.000 abstract description 8
- 239000003570 air Substances 0.000 description 79
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 16
- 239000000126 substance Substances 0.000 description 8
- 229920000049 Carbon (fiber) Polymers 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 241000196324 Embryophyta Species 0.000 description 2
- 238000005411 Van der Waals force Methods 0.000 description 2
- 239000012080 ambient air Substances 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 210000004209 hair Anatomy 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 238000003915 air pollution Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 244000144992 flock Species 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 210000002268 wool Anatomy 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/22—Devices for withdrawing samples in the gaseous state
- G01N1/24—Suction devices
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/22—Devices for withdrawing samples in the gaseous state
- G01N1/2273—Atmospheric sampling
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/34—Purifying; Cleaning
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Molecular Biology (AREA)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses a differential pressure separator for an air sampler, which belongs to the field of air samplers, and comprises a box body, wherein an air suction pump is arranged at the bottom of the inner side wall of the box body, an air inlet guide pipe is arranged at the input end of the air suction pump and penetrates through the top of the box body, a sampling head is arranged at the other end of the air inlet guide pipe, a through hole is formed in the outer side wall of the sampling head, and the output end of the air suction pump is connected with the inner side wall of a sampling tank and a guide pipe. According to the invention, through the mutual matching of the timer, the control panel, the air suction pump, the air inlet guide pipe, the sampling head, the through hole, the high-sensitivity sensor, the sampling tank and the guide pipe, the air can be detected at different time periods, so that the accuracy of air quality detection data is improved, and through the mutual matching of the filter box, the filter gauze, the exhaust pipe, the activated carbon fiber and the electromagnetic valve, the sampled air can be filtered, so that secondary pollution to the environment during emission is avoided, and the device is suitable for wide popularization and use.
Description
Technical Field
The invention relates to the technical field of air samplers, in particular to a differential pressure separator for an air sampler.
Background
Along with the rapid development of economy in China, the phenomenon of environmental pollution in China is more and more serious, particularly, environmental air pollution, in most areas in China, the generation of haze weather often occurs, and great influence is caused on the health of people, so that the environmental detection work is particularly important. The air sampler is an auxiliary instrument, can collect or extract gas pollutants in the detected ambient air, and can detect the concentration of the gas pollutants in the detected ambient air when being used together with instruments such as a gas chromatograph and the like.
Patent number CN201821961095 discloses an air sampler, relates to air monitoring technical field, and it includes sample thief body, connection pad, bracing piece and cylinder, is provided with on the connection pad to be used for preventing the sample thief body by the shielding structure that insolate or drenched by the rain, shields the structure including setting up branch on the connection pad and can dismantle the shielding piece of being connected with branch, and the sample thief body is located between shielding piece and the connection pad. The invention has the effect of preventing the sampler body from being exposed to the sun or being drenched by rain, thereby protecting the sampler body to a certain extent, and being convenient for dismounting, mounting and replacing the shielding piece and carrying the air sampler.
At present, the technology has certain defects: 1. the air sampler cannot automatically sample and detect air at different time ends, so that certain difference exists in air quality detection data; 2. the air sucked in is not filtered, so that the air is easy to secondarily pollute the environment when being discharged.
Disclosure of Invention
The invention provides a differential pressure separator for an air sampler, which can detect air at different time periods through the mutual matching of a timer, a control panel, an air suction pump, an air inlet guide pipe, a sampling head, a through hole, a high-sensitivity sensor, a sampling tank and a guide pipe, so that the accuracy of air quality detection data is improved, and through the mutual matching of a filter box, a filter gauze, an exhaust pipe, activated carbon fibers and an electromagnetic valve, the sampled air can be filtered to avoid secondary pollution to the environment during emission, so that the problems in the background art can be effectively solved.
The specific technical scheme provided by the invention is as follows:
the invention provides a differential pressure separator for an air sampler, which comprises a box body, wherein an air suction pump is arranged at the bottom of the inner side wall of the box body, an air inlet guide pipe is arranged at the input end of the air suction pump and penetrates through the top of the box body, a sampling head is arranged at the other end of the air inlet guide pipe, a through hole is formed in the outer side wall of the sampling head, the output end of the air suction pump is connected with the inner side wall of a sampling tank and a guide pipe, a high-sensitivity sensor is arranged at the top of the inner side wall of the sampling tank, a buzzer is arranged at the top of the left side of the box body, the output end of the high-sensitivity sensor is electrically connected with the input end of the buzzer, an electromagnetic valve is arranged at the left side of the outer side wall of the sampling tank, a filter box, the lateral wall left side of rose box is installed blast pipe and is run through the box.
Optionally, the universal wheel is installed on the bottom left side of box, the universal wheel has two sets ofly to be the symmetry and installs the bottom right side at the box.
Optionally, a push rod is installed on the right side of the outer side wall of the box body.
Optionally, the right side of the outer side wall of the box body is connected with the outer side wall of the door plate through a hinge.
Optionally, a buckle is installed on the outer side of the door plate, and a clamping groove is formed in the right side of the outer side wall of the box body.
Optionally, a control panel is installed on the right side of the outer side wall of the box body, and the input end of the electromagnetic valve and the input end of the air pump are both electrically connected with the output end of the control panel.
Optionally, a timer is installed on the left side of the outer side wall of the box body, the output end of the timer is electrically connected with the input end of the air pump, and the input end of the timer and the input end of the control panel are both electrically connected with the output end of the external power supply.
The invention has the following beneficial effects:
1. the invention is practical, convenient to operate and good in use effect, the bottom of the inner side wall of the box body is provided with the air pump, the input end of the air pump is provided with the air inlet guide pipe, the air inlet guide pipe penetrates through the top of the box body, the other end of the air inlet guide pipe is provided with the sampling head, the outer side wall of the sampling head is provided with the through hole, the output end of the air pump is provided with the guide pipe, the other end of the guide pipe is connected with the inner side wall of the sampling tank, so that air is pumped into the sampling head from the through hole through the air pump, the air enters the sampling tank through the air inlet guide pipe, the inner side wall of the sampling tank is provided with the high-sensitivity sensor, the high-sensitivity sensor is used for detecting harmful substances in the air, the left side of the top of the box body is provided with the buzzer, the input end of the, thereby high sensitivity sensor detects the back and gives control panel with the signal of telecommunication transmission, the control panel lateral wall sets up digital display, thereby digital display turns into digital signal with the signal of telecommunication and makes things convenient for personnel to observe, the time-recorder is installed on the lateral wall left side of box, the output of time-recorder and the input electric connection of aspiration pump, can not the same time end make the aspiration pump carry out work through the time-recorder, thereby can detect to make the contrast reference by the different groups, make the detection data accuracy improve.
2. In the invention, an electromagnetic valve is arranged on the left side of the outer side wall of a sampling tank, the output end of a control panel is electrically connected with the input end of the electromagnetic valve, so that after the control panel is opened, the electromagnetic valve opens a valve core to enable sampled air to enter a filter box, a filter gauze is arranged on the inner side wall of the filter box and can effectively filter the lint in the air, activated carbon fibers are arranged on the inner side wall of the filter box, after the activated carbon fibers are activated at high temperature, micropores are distributed on the surfaces of the fibers, the pore diameter of the activated carbon fibers is one hundred thousand of one hair, the inner surfaces of the micropores are unfolded, the micropores play a role of adsorbing odor, the role of the micropores is known from physics, the surface of an object has attractive force to the outside, the larger the adsorption force of the surface is, the activated carbon adsorbs peripheral molecules through the van der Waals force and the effect of chemical bonds, thereby can effectually filter the harmful substance in the air, the blast pipe is installed on the lateral wall left side of rose box, and the air after the filtration passes through the blast pipe and discharges to can avoid secondary pollution environment.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a schematic diagram illustrating an overall structure of a differential pressure separator for an air sampler according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a differential pressure separator for an air sampler according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a filter box of a differential pressure separator for an air sampler according to an embodiment of the present invention.
In the figure: 1. a box body; 2. a door panel; 3. a universal wheel; 4. an exhaust pipe; 5. an air intake duct; 6. a sampling head; 7. a through hole; 8. a buzzer; 9. a push rod; 10. a control panel; 11. activated carbon fibers; 12. an air pump; 13. buckling; 14. a card slot; 15. a hinge; 16. a conduit; 17. a sampling tank; 18. a high sensitivity sensor; 19. an electromagnetic valve; 20. a filter box; 21. filtering the gauze; 22. a timer.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings, and it is apparent that the described embodiments are only a part of the embodiments of the present invention, 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 invention.
A differential pressure separator for an air sampler according to an embodiment of the present invention will be described in detail with reference to fig. 1 to 3.
As shown in fig. 1-3, a differential pressure separator for an air sampler comprises a box body 1, an air pump 12 is installed at the bottom of the inner side wall of the box body 1, an air inlet pipe 5 is installed at the input end of the air pump 12, the air inlet pipe 5 penetrates through the top of the box body 1, a sampling head 6 is installed at the other end of the air inlet pipe 5, a through hole 7 is opened on the outer side wall of the sampling head 6, the output end of the air pump 12 is connected with the inner side wall of a sampling tank 17 and a pipe 16, a high-sensitivity sensor 18 is installed at the top of the inner side wall of the sampling tank 17, a buzzer 8 is installed at the top of the left side of the box body 1, the output end of the high-sensitivity sensor 18 is electrically connected with the input end of the buzzer 8, an electromagnetic valve 19 is installed on the left side of the outer side wall of the sampling tank, activated carbon fiber 11 is installed to the inside wall of rose box 20, blast pipe 4 and blast pipe 4 run through box 1 are installed to the lateral wall left side of rose box 20. Wherein, through timer 22, control panel 10, aspiration pump 12, inlet duct 5, sampling head 6, through-hole 7, high sensitivity sensor 18, mutually supporting of sampling tank 17 and pipe 16, thereby can carry out the different time quantums to the air and detect and make air quality detection data accuracy improve, rethread rose box 20, filter gauze 21, blast pipe 4, 11 and the electromagnetic valve 19 mutually support of activated carbon fiber, thereby can filter the air after the sampling and avoid the secondary pollution environment when discharging.
In this embodiment, as shown in fig. 1, the universal wheels 3 are installed on the left side of the bottom of the box body 1, and two sets of the universal wheels 3 are symmetrically installed on the right side of the bottom of the box body 1. Wherein the universal wheels 3 facilitate the movement of the device.
In this embodiment, as shown in fig. 1, a push rod 9 is installed on the right side of the outer side wall of the box body 1. Wherein, the push rod 9 is convenient for the personnel to hold.
In the embodiment, as shown in fig. 1-2, the right side of the outer sidewall of the box 1 is connected with the outer sidewall of the door 2 by a hinge 15. Wherein, door plant 2 can be effectual to the electric elements protection in the box 2.
In this embodiment, as shown in fig. 2, a buckle 13 is installed on the outer side of the door panel 2, and a clamping groove 14 is formed on the right side of the outer side wall of the box body 1. Wherein, conveniently fix door plant 2 at the box 1 lateral wall.
In this embodiment, as shown in fig. 1, a control panel 10 is installed on the right side of the outer sidewall of the box 1, and the input end of the electromagnetic valve 19 and the input end of the air pump 12 are electrically connected to the output end of the control panel 10. Wherein the control panel 10 has a simple structure and is convenient to operate.
In this embodiment, as shown in fig. 1, a timer 22 is installed on the left side of the outer sidewall of the box 1, an output end of the timer 22 is electrically connected to an input end of the air pump 12, and an input end of the timer 22 and an input end of the control panel 10 are both electrically connected to an output end of an external power source. Wherein, can in time cut off external power supply and prevent personnel's electric shock.
It should be noted that, the invention is a differential pressure separator for an air sampler, when in operation, the bottom of the inner side wall of a box body 1 is provided with an air pump 12, the input end of the air pump 12 is provided with an air inlet conduit 5, the air inlet conduit 5 penetrates through the top of the box body 1, the other end of the air inlet conduit 5 is provided with a sampling head 6, the outer side wall of the sampling head 6 is provided with a through hole 7, the output end of the air pump 12 is provided with a conduit 16, and the other end of the conduit 16 is connected with the inner side wall of a sampling tank 17, so that air is pumped into the sampling head 6 from the through hole through the air pump 12, enters the sampling tank 17 through the air inlet conduit 5, the inner side wall of the sampling tank 17 is provided with a high-sensitivity sensor 18, the high-sensitivity sensor 18 is used for detecting harmful substances in the air, the left side of the top of, when harmful substances exceed the standard, the buzzer 8 can give out a bell to prompt personnel, the output end of the high-sensitivity sensor 18 is electrically connected with the input end of the control panel 10, so that the high-sensitivity sensor 18 transmits an electric signal to the control panel 10 after detecting the harmful substances, the outer side wall of the control panel 10 is provided with a digital display, the digital display converts the electric signal into a digital signal to facilitate observation of personnel, the left side of the outer side wall of the box body 1 is provided with a timer 22, the output end of the timer 22 is electrically connected with the input end of the air suction pump 12, the air suction pump 12 can work at different time ends through the timer 22, so that different groups can carry out detection and comparison reference, the detection data is accurately improved, the left side of the outer side wall of the sampling tank 17 is provided with an electromagnetic valve 19, the output end of the control panel 10 is electrically, the electromagnetic valve 19 opens the valve core to make the sampled air enter the filter box 20, the inner side wall of the filter box 20 is provided with the filter gauze 21, the filter gauze 21 can effectively filter the wool flock in the air, the inner side wall of the filter box 20 is provided with the activated carbon fiber 11, the activated carbon fiber 11 is activated at high temperature, the fiber surface is fully distributed with micropores, the pore diameter of the micropores is one hundred thousand of that of a hair, the inner surfaces of the micropores are unfolded, the micropores play a role in absorbing odor, the physical property shows that the surface of an object has attraction outward, the larger the surface is, the larger the adsorption force is, the activated carbon adsorbs peripheral molecules through the van der Waals force and chemical bond and is firmly connected with the micropores, thereby the harmful substances in the air can be effectively filtered, the left side of the outer side wall of the filter box is provided with the exhaust pipe 4, and the filtered air is exhausted through the exhaust pipe 4, thereby avoiding secondary pollution to the environment.
The invention relates to a differential pressure separator 1 for an air sampler, and a box body; 2. a door panel; 3. a universal wheel; 4. an exhaust pipe; 5. an air intake duct; 6. a sampling head; 7. a through hole; 8. a buzzer; 9. a push rod; 10. a control panel; 11. activated carbon fibers; 12. an air pump; 13. buckling; 14. a card slot; 15. a hinge; 16. a conduit; 17. a sampling tank; 18. a high sensitivity sensor; 19. an electromagnetic valve; 20. a filter box; 21. filtering the gauze; 22. the timepiece components are all standard parts or parts known to the person skilled in the art, the structure and the principle of which are known to the person skilled in the art by means of technical manuals or by means of routine experimentation.
It will be apparent to those skilled in the art that various modifications and variations can be made in the embodiments of the present invention without departing from the spirit or scope of the embodiments of the invention. Thus, if such modifications and variations of the embodiments of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to encompass such modifications and variations.
Claims (7)
1. The utility model provides a differential pressure separator for air sampler, includes box (1), its characterized in that, aspiration pump (12) are installed to the inside wall bottom of box (1), intake conduit (5) and intake conduit (5) run through the top of box (1) are installed to the input of aspiration pump (12), sampling head (6) are installed to the other end of intake conduit (5), through-hole (7) have been seted up to the lateral wall of sampling head (6), the output of aspiration pump (12) is connected with the inside wall and pipe (16) of sampling jar (17), high sensitivity sensor (18) are installed at the inside wall top of sampling jar (17), bee calling organ (8) are installed at the left side top of box (1), the output of high sensitivity sensor (18) and the input electric connection of bee calling organ (8), electromagnetic valve (19) are installed in the lateral wall left side of sampling jar (17), rose box (20) are installed to the output of solenoid valve (19), filter screen (21) are installed to the inside wall of rose box (20), activated carbon fiber (11) are installed to the inside wall of rose box (20), blast pipe (4) and blast pipe (4) run through box (1) are installed in the lateral wall left side of rose box (20).
2. The differential pressure separator for the air sampler according to claim 1, wherein the universal wheels (3) are installed on the left side of the bottom of the box body (1), and two groups of the universal wheels (3) are symmetrically installed on the right side of the bottom of the box body (1).
3. The differential pressure separator for the air sampler as claimed in claim 1, wherein the push rod (9) is installed at the right side of the outer side wall of the box body (1).
4. The differential pressure separator for the air sampler according to claim 1, wherein the right side of the outer side wall of the box body (1) is connected with the outer side wall of the door panel (2) through a hinge (15).
5. The differential pressure separator for the air sampler according to claim 1, wherein a buckle (13) is installed on the outer side of the door plate (2), and a clamping groove (14) is formed in the right side of the outer side wall of the box body (1).
6. The differential pressure separator for the air sampler according to claim 1, wherein a control panel (10) is installed on the right side of the outer side wall of the box body (1), and the input end of the electromagnetic valve (19) and the input end of the air pump (12) are electrically connected with the output end of the control panel (10).
7. The differential pressure separator for the air sampler according to claim 1, wherein a timer (22) is installed on the left side of the outer side wall of the box body (1), the output end of the timer (22) is electrically connected with the input end of the air suction pump (12), and the input end of the timer (22) and the input end of the control panel (10) are electrically connected with the output end of an external power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011312335.9A CN112461615A (en) | 2020-11-20 | 2020-11-20 | Differential pressure separator for air sampler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011312335.9A CN112461615A (en) | 2020-11-20 | 2020-11-20 | Differential pressure separator for air sampler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112461615A true CN112461615A (en) | 2021-03-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011312335.9A Pending CN112461615A (en) | 2020-11-20 | 2020-11-20 | Differential pressure separator for air sampler |
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| Country | Link |
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| CN (1) | CN112461615A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20220026318A1 (en) * | 2020-07-27 | 2022-01-27 | Aravanlabs S.R.L. | Portable sampler to detect microorganisms including sars-cov-2 in the air |
| CN114486396A (en) * | 2021-12-23 | 2022-05-13 | 华北科技学院(中国煤矿安全技术培训中心) | Gas drainage detects leak protection device of usefulness |
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| CN208076441U (en) * | 2018-02-07 | 2018-11-09 | 深圳市宇驰检测技术股份有限公司 | A kind of VOC test devices |
| CN209148366U (en) * | 2018-11-26 | 2019-07-23 | 陕西汉通建设工程质量检测有限公司 | A kind of air sampler |
| CN111198115A (en) * | 2020-01-15 | 2020-05-26 | 张荣锋 | Air detection device with timing extraction function and use method |
| CN211668883U (en) * | 2020-01-07 | 2020-10-13 | 上海诺狄生物科技有限公司 | Air sampler with segmented detection sampling display |
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2020
- 2020-11-20 CN CN202011312335.9A patent/CN112461615A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN208076441U (en) * | 2018-02-07 | 2018-11-09 | 深圳市宇驰检测技术股份有限公司 | A kind of VOC test devices |
| CN209148366U (en) * | 2018-11-26 | 2019-07-23 | 陕西汉通建设工程质量检测有限公司 | A kind of air sampler |
| CN211668883U (en) * | 2020-01-07 | 2020-10-13 | 上海诺狄生物科技有限公司 | Air sampler with segmented detection sampling display |
| CN111198115A (en) * | 2020-01-15 | 2020-05-26 | 张荣锋 | Air detection device with timing extraction function and use method |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20220026318A1 (en) * | 2020-07-27 | 2022-01-27 | Aravanlabs S.R.L. | Portable sampler to detect microorganisms including sars-cov-2 in the air |
| US12025540B2 (en) * | 2020-07-27 | 2024-07-02 | Eudika S.A. | Portable sampler to detect microorganisms including SARS-CoV-2 in the air |
| CN114486396A (en) * | 2021-12-23 | 2022-05-13 | 华北科技学院(中国煤矿安全技术培训中心) | Gas drainage detects leak protection device of usefulness |
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Application publication date: 20210309 |